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1.
J Vasc Interv Radiol ; 34(6): 991-998, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-36739086

RESUMO

PURPOSE: To investigate the clinical relevance of serum chemokine ligand 14 (sCCL14) in patients with hepatocellular carcinoma (HCC) and the effect of transarterial chemoembolization (TACE) on the expression level of sCCL14 and the immune microenvironment. MATERIALS AND METHODS: In this prospective single-center observational study, 52 patients with HCC were recruited from January 2019 to December 2021, their clinical data and blood samples were collected, and the relationship between sCCL14 and progression-free survival (PFS) and TACE treatment response was analyzed. RESULTS: Among the 52 patients with HCC (Barcelona Clinic Liver Cancer [BCLC] Stage A, 25.0%; BCLC Stage B, 44.2%; and BCLC Stage C, 30.8%), patients with BCLC Stage C HCC had significantly lower sCCL14 levels than those of patients with BCLC Stages A and B HCC (P = .001). sCCL14 levels were significantly higher in the first week after treatment than before TACE treatment (P = .024). Baseline sCCL14 levels in patients who showed complete response after TACE treatment were significantly higher than those in other groups, and lower baseline sCCL14 values were associated with shorter PFS times. Multivariate Cox regression analysis showed that sCCL14 level (hazard ratio, 1.855; 95% CI, 1.039-3.311; P = .037) was an independent prognostic factor of PFS. sCCL14 levels negatively correlated with the proportion of B lymphocytes and regulatory T cells in circulating blood and positively correlated with the absolute T-lymphocyte count. CONCLUSIONS: sCCL14 may be a predictive biomarker of TACE effectiveness. Further studies are needed to validate and outline the role of combination immunotherapy.


Assuntos
Carcinoma Hepatocelular , Quimioembolização Terapêutica , Neoplasias Hepáticas , Humanos , Carcinoma Hepatocelular/patologia , Neoplasias Hepáticas/patologia , Ligantes , Estudos Prospectivos , Quimioembolização Terapêutica/efeitos adversos , Estadiamento de Neoplasias , Linfócitos , Estudos Retrospectivos , Resultado do Tratamento , Microambiente Tumoral
2.
Acta Pharmacol Sin ; 42(1): 45-54, 2021 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-32451415

RESUMO

Lifestyle factors may affect mental health and play a critical role in the development of neurodegenerative diseases including Alzheimer's disease (AD). However, whether the temperatures of daily beverages have any impact on cognitive function and AD development has never been studied. In this study, we investigated the effects of daily drinking water temperatures on cognitive function and AD development and progression in mice and the underlying mechanisms. Cognitive function of mice was assessed using passive avoidance test, open field test, and Morris water maze. Wild-type Kunming mice receiving intragastric water (IW, 10 mL/kg, 2 times/day) at 0 °C for consecutive 15 days displayed significant cognitive defects accompanied by significant decrease in gain of body weight, gastric emptying rate, pepsin activity, and an increase in the energy charge in the cortex when compared with mice receiving the same amount of IW at 25 °C (a temperature mimicking most common drinking habits in human), suggesting the altered neuroenergetics may cause cognitive decline. Similarly, in the transgenic APPwse/PS1De9 familial AD mice and their age- and gender-matched wild-type C57BL/6 mice, receiving IW at 0 °C, but not at 25 °C, for 35 days caused a significant time-dependent decrease in body weight and cognitive function, accompanied by a decreased expression of PI3K, Akt, the glutamate/GABA ratio, as well as neuropathy with significant amyloid lesion in the cortex and hippocampus. All of these changes were significantly aggravated in the APPwse/PS1De9 mice than in the control C57BL/6 mice. These data demonstrate that daily beverage at 0 °C may alter brain insulin-mediated neuroenergetics, glutamate/GABA ratio, cause cognitive decline and neuropathy, and promote AD progression.


Assuntos
Doença de Alzheimer/fisiopatologia , Cognição/fisiologia , Temperatura Baixa , Água Potável/administração & dosagem , Doença de Alzheimer/metabolismo , Doença de Alzheimer/patologia , Animais , Encéfalo/metabolismo , Encéfalo/patologia , Progressão da Doença , Água Potável/química , Ácido Glutâmico/metabolismo , Insulina/metabolismo , Masculino , Camundongos Endogâmicos C57BL , Camundongos Transgênicos , Teste do Labirinto Aquático de Morris/fisiologia , Neurotransmissores/metabolismo , Teste de Campo Aberto/fisiologia , Transdução de Sinais/fisiologia , Ácido gama-Aminobutírico/metabolismo
3.
Phytother Res ; 35(3): 1572-1584, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33111362

RESUMO

Ligustilide is a phenolic compound isolated from Asian plants of Umbelliferae family. This study was aimed at exploring the neuroprotective effects of Ligustilide from the perspective of endoplasmic reticulum stress (ERS) and autophagy. The Alzheimer's disease (AD) cell models were constructed by SH-SY5Y cell line, which was exposed to 20 µM Aß25-35 . CCK-8 was used to evaluate the cell viability of Ligustilide on AD cell model. Hoechst staining and LysoTracker Red were used to test the cell apoptosis and Lysosome function, respectively. ERS in living cells were detected by Thioflavin T. The expression of autophagy-related proteins (LC3B-II/I, P62/SQSTM1, Beclin1, and Atg5), ERS marker proteins (PERK, GRP78, and CHOH), and apoptosis proteins (Bax, Bcl-2, and Caspase-12) were analyzed by Western blot analyses. Aß25-35 could induce ERS and autophagy in a time-dependent manner in SH-SY5Y cells. We demonstrated that Ligustilide significantly decreased the rate of apoptosis, and improved the viability of cells. Simultaneously, Ligustilide effectively modulated ERS via inhibiting the over-activation of GRP78/PERK/CHOP signaling pathway. In addition, Ligustilide alleviated the accumulation of autophagy vacuoles, reduced the ratio of LC3B-II/I and the level of P62/SQSTM1. Ligustilide significantly up-regulated lysosomal acidity and the expression of Cathepsin D (CTSD). Ligustilide could rescue lysosomal function to promote autophagy flux and inhibit the over-activation of ERS. This finding may contribute to the development of new therapeutic strategies for AD.


Assuntos
4-Butirolactona/análogos & derivados , Autofagia/efeitos dos fármacos , Estresse do Retículo Endoplasmático/efeitos dos fármacos , Fármacos Neuroprotetores/uso terapêutico , Síndromes Neurotóxicas/tratamento farmacológico , 4-Butirolactona/farmacologia , 4-Butirolactona/uso terapêutico , Apoptose , Chaperona BiP do Retículo Endoplasmático , Humanos , Fármacos Neuroprotetores/farmacologia , Transdução de Sinais , Transfecção
4.
Zhongguo Zhong Yao Za Zhi ; 46(1): 41-45, 2021 Jan.
Artigo em Zh | MEDLINE | ID: mdl-33645049

RESUMO

Drying is one of the most common unit operations in the production of traditional Chinese medicine. The drying process of traditional Chinese medicine materials is accompanied by the dynamic reduction of water content. As a key index to determine the end of the drying process, the moisture content of materials plays an important role in improving drying efficiency and saving energy. Recently, the drying process of traditional Chinese medicine is mostly monitored by offline detection, and there are few reports of online moisture detection applications. In this paper, the principle and current application of online inspection technology for the material drying process in different fields were introduced. The significance of online detection technology in drying of traditional Chinese medicine was also analyzed. Meanwhile, the application prospect of online detection technology in the field of drying of traditional Chinese medicine was predicted. In response to urgent transformation and upgrading of the traditional Chinese medicine manufacturing industry, the application of online moisture detection technology is expected to be a key breakthrough in the intelligent upgrading of traditional Chinese medicine drying technology and equipment.


Assuntos
Medicamentos de Ervas Chinesas , Medicina Tradicional Chinesa , Dessecação , Controle de Qualidade , Tecnologia Farmacêutica
5.
BMC Cardiovasc Disord ; 20(1): 266, 2020 06 03.
Artigo em Inglês | MEDLINE | ID: mdl-32493248

RESUMO

BACKGROUND: Preventive intra-aortic balloon pump (IABP) for high-risk patients with stable hemodynamics is controversial, and its definition of high-risk is still unclear. This study aimed to investigate the effect of prophylactic IABP on the early outcome of left main disease (LMD) patients receiving off-pump coronary artery bypass grafting (OPCABG) with stable hemodynamics. METHODS: From January 2013 to April 2020, 257 consecutive patients who underwent OPCABG through sternotomy were enrolled in this study. All LMD patients (greater than 70%) had stable hemodynamics (BP>100 mmHg without vasoconstrictor substance infusion). Early outcomes of 125 patients with prophylactic IABP (IABP group) and 132 patients without IABP (Control group) were compared in this study. RESULTS: IABP did not show favorable effect on the conversion to CPB (RR 0.63, 95%CI 0.05-7.89, P = 0.7211), perioperative MI (RR 0.69, 95%CI 0.22-2.12, P = 0.5163), mortality (RR 0.65, 95%CI 0.04-10.25, P = 0.7608) or the composite end of the conversion, MI and mortality (RR 0.63, 95%CI 0.23-1.74, P = 0.3747). There was greater incidence of prolonged ventilation in IABP after adjustment (RR2.16, 95%CI 1.12-4.18, P = 0.0221). There was no IABP-related mortality or limb ischemia. CONCLUSION: No significant difference in early outcomes was observed in hemodynamically stable patients with LMD between prophylactic IABP group and control group. Prophylactic IABP may be unnecessary in patients with LMD undergoing OPCABG.


Assuntos
Ponte de Artéria Coronária sem Circulação Extracorpórea , Doença da Artéria Coronariana/cirurgia , Hemodinâmica , Balão Intra-Aórtico , Idoso , Ponte de Artéria Coronária sem Circulação Extracorpórea/efeitos adversos , Ponte de Artéria Coronária sem Circulação Extracorpórea/mortalidade , Doença da Artéria Coronariana/diagnóstico por imagem , Doença da Artéria Coronariana/mortalidade , Doença da Artéria Coronariana/fisiopatologia , Feminino , Humanos , Balão Intra-Aórtico/efeitos adversos , Balão Intra-Aórtico/mortalidade , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Fatores de Tempo , Resultado do Tratamento , Procedimentos Desnecessários
6.
J Cell Biochem ; 119(7): 6238-6248, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-29663529

RESUMO

Cut-like homeobox 1 (CUX1) is a highly conserved homeoprotein that functions as a transcriptional repressor of genes specifying terminal differentiation. We previously showed that liver-specific microRNA-122 (miR-122) regulates the timing of liver development by silencing CUX1 post-transcriptionally. Since the CUX1 protein is expressed in a subset of embryonic tissues, we hypothesized that it is regulated by specific microRNAs (miRNAs) in each cell type during development. Using a large-scale screening method, we identified ten tissue-specific miRNAs from different cell lineages that directly targeted CUX1. An analysis of the interaction between heart-specific microRNA-208a (miR-208a) and CUX1 in the hearts of developing mouse embryos and in P19CL6 cells undergoing cardiac differentiation indicated that CUX1 is regulated by miR-208a during heart development and cardiomyocyte differentiation. Functional analysis of miR-208a in P19CL6 cells using lentiviral-mediated over-expression showed that it regulates the transition between cellular proliferation and differentiation. These results suggest that these tissue-specific miRNAs might play a common role in timing the progression of terminal differentiation of different cell lineages, possibly by silencing the differentiation repressor CUX1.


Assuntos
Diferenciação Celular , Linhagem da Célula/genética , Regulação da Expressão Gênica no Desenvolvimento , Proteínas de Homeodomínio/antagonistas & inibidores , MicroRNAs/genética , Miócitos Cardíacos/citologia , Proteínas Nucleares/antagonistas & inibidores , Proteínas Repressoras/antagonistas & inibidores , Animais , Proliferação de Células , Células Cultivadas , Células HeLa , Coração/crescimento & desenvolvimento , Humanos , Masculino , Camundongos , Camundongos Endogâmicos C57BL , Miócitos Cardíacos/metabolismo , Especificidade de Órgãos , Fatores de Transcrição
7.
J Res Med Sci ; 23: 10, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-29456567

RESUMO

We carried out this meta-analysis for the aim of exploring the influence of diabetes mellitus (DM) on the prognosis of patients with ischemic stroke. Relevant studies were identified using computerized databases supplemented with manual search strategies. The included studies were strictly followed the inclusion and exclusion criteria. Case-control studies which related to the influence of DM on the prognosis of patients with ischemic stroke were selected. Statistical analyses were implemented with the STATA version 12.0 statistical software. Our current meta-analysis initially retrieved 253 studies (227 in Chinese and 26 in English), 13 studies (6 in English and 7 in Chinese) were eventually incorporated in this meta-analysis. These 13 case-control studies included 8463 patients altogether (3249 patients with DM complicated with ischemic stroke and 5214 patients with ischemic stroke). The results of this meta-analysis manifested that there was a significant difference of the blood glucose level at 48 h after stroke between patients with DM complicated with ischemic stroke and patients with ischemic stroke (standard mean difference [SMD] =1.27, 95% confidence interval [CI] =0.02-2.51, P = 0.047); however, the effectiveness, fatality, and the National Institutes of Health Stroke Scale (NIHSS) score in patients with DM complicated with ischemic stroke, and patients with ischemic stroke had no significant difference (effectiveness: risk ratio [RR] = 0.88, 95% CI = 0.75-1.03, P = 0.121; fatality: RR = 1.29, 95% CI = 0.97-1.71, P = 0.081; NIHSS score: SMD = -0.14, 95% CI = -1.56-1.28, P = 0.849). The current evidence suggests that there is statistical difference of the blood glucose level at 48 h after stroke between patients with DM complicated with ischemic stroke and patients with ischemic stroke, but there is no statistical difference of prognostic indicators between patients in two groups. Thus, our study provides certain clinical value.

8.
Zhongguo Zhong Yao Za Zhi ; 42(2): 332-340, 2017 Jan.
Artigo em Zh | MEDLINE | ID: mdl-28948740

RESUMO

To investigate the characteristic methylation genes of pyretic arthralgia model in hot and dampness environment and the regulation effect of Baihu Guizhi decoction on this characteristic methylation genes. Plantar injection of CFA was used in hot and dampness environment to induce the pyretic arthralgia rat models. From 15th day after modeling, Baihu Guizhi decoction was given for 30 days. Foot volume was detected every 4 days after modeling, and HE staining was used to detect the histopathology of all rats' ankle joint at day 45.MeDIP-Seq sequencing method was used to detect the methylation level of knee joint synovial, and the method of difference sets was used to screen the characteristic methylation genesinpyretic arthralgia models.The contents of IL-1ß, IL-17, TNF-α, EGF, IL-12p70, IL-4, IL-6 and IFN-γ in serum were measured by using suspension chips. The mRNA expression level of characteristic methylation genes was measured by qRT-PCR. The results suggested that as compared with adjuvant arthritis rat models(AA), the foot swelling and histopathology inpyretic arthralgia models (PA) were only slightly increased. As compared with normal group (NG), the wholegenome CpG island in both AA and PA groups was kept in a lower methylation state, furthermore, the methylation level was lowest in PA group; with 705 difference methylation genes in AA group and 2 418 difference methylation genes in PA group. As compared with AA, there were 1 287 difference methylation genes, including 974 down-regulated methylation genesand 313 up-regulated methylation genes. This difference methylation genes were mostly enriched in 32 KEGG pathways. Moreover, there were 52 characteristic methylation genes of PA models in promoter region, including 36 down-regulatedmethylation genes and 16 up-regulatedmethylation genes. After drug intervention, Baihu Guizhi decoction improved the foot swelling and pathological injury in PA models, significantly decreased the levels of IL-1ß, TNF-α, EGF, VEGF, IL-17, IL-12p70, inhibited the mRNA expression levels of down-regulated methylation genes AHCY and RPL3, and promoted the mRNA expression levels of up-regulated methylation gene Agxt. In conclusion, unique methylation changes of synovial genes were present in PA models, and Baihu Guizhi decoction may adjust the methylation level of PA's characteristic methylation genes to achieve the therapeutic effect of pyretic arthralgia.


Assuntos
Artralgia/tratamento farmacológico , Metilação de DNA , Medicamentos de Ervas Chinesas/farmacologia , Animais , Citocinas/sangue , Ratos , Proteína Ribossômica L3 , Fator de Necrose Tumoral alfa
9.
Zhongguo Zhong Yao Za Zhi ; 41(6): 1119-1123, 2016 Mar.
Artigo em Zh | MEDLINE | ID: mdl-28875680

RESUMO

The study was to explore effects of Tongluo Xingnao effervescent tablets on the blood rheology, iNOS, VEGF and LDH-5 in multi-infarct dementia(MID) model rats. Establish MID model rats were induced by microthrombosis, from which 50 successful model rats were randomly divided into five groups, such as the model control group, the dihydroergotoxine mesylate tablets(hydergine) group(0.7 mg•kg⁻¹), Tongluo Xingnao effervescent tablets high-dose, medium-dose and low-dose groups(7.56, 3.78, 1.89 g•kg⁻¹). Another ten rats in the sham group were randomly selected as the parallel control group. Each group was orally administered with drugs for 90 days. The learning and memory ability was evaluated with the Morris water maze test, while the whole blood viscosity and the erythrocyte aggregation index derived from abdominal aorta were measured in different shear rates. In addition, the levels of VEGF and iNOS in the serum were determined by ELISA kits. The expression of LDH-5 in hippocampus of rats was measured with immunohistochemistry and image quantitative analysis. The result showed that Tongluo Xingnao effervescent tablets notably decreased the escape latency of MID model rats, increased times of entering into the escape platform and prolonged retention time in medium ring, meanwhile the whole blood viscosity in MID model rats was also notably reduced in four shear rates, i.e. 1, 5, 30, 200 S⁻¹, erythrocyte aggregation index, serum VEGF and iNOS, and average optical density value of LDH-5, with a statistically significant differences compared with the model control group (P<0.05). In conclusion, Tongluo Xingnao effervescent tablets could improve the ability of learning and memory of MID model rats and the blood rheology, reduce the level of iNOS, VEGF and the expression of LDH-5, and then improved the brain energy supply.


Assuntos
Análise Química do Sangue , Demência por Múltiplos Infartos/tratamento farmacológico , Medicamentos de Ervas Chinesas/administração & dosagem , L-Lactato Desidrogenase/metabolismo , Óxido Nítrico Sintase Tipo II/metabolismo , Fator A de Crescimento do Endotélio Vascular/metabolismo , Animais , Demência por Múltiplos Infartos/sangue , Demência por Múltiplos Infartos/metabolismo , Demência por Múltiplos Infartos/psicologia , Hipocampo/efeitos dos fármacos , Hipocampo/metabolismo , Humanos , Isoenzimas/genética , Isoenzimas/metabolismo , L-Lactato Desidrogenase/genética , Lactato Desidrogenase 5 , Aprendizagem/efeitos dos fármacos , Masculino , Memória/efeitos dos fármacos , Óxido Nítrico Sintase Tipo II/genética , Ratos , Ratos Sprague-Dawley , Reologia , Comprimidos/administração & dosagem , Fator A de Crescimento do Endotélio Vascular/genética
10.
Zhongguo Zhong Yao Za Zhi ; 40(16): 3287-92, 2015 Aug.
Artigo em Zh | MEDLINE | ID: mdl-26790309

RESUMO

Tongluo Xingnao effervescent tablet (TLXNET) is a patented prescription, which comes from modified Xionggui decoction and can improve cognitive function. However, its effect on the urine metabolites and anti-dementia mechanism in the dementia model rats induced by hippocampal injection with Aß25-35 remains unclear. The experiment focused on the changes in trajectory and inter-relationship among the urinary metabolite of rats in the blank group, Aß25-35 hippocampal injection dementia model group and the TLXNET intervention group, in order to determine theirs characteristic metabolic markers and explain the anti-dementia effect of TLX-NET base on the change of metabolic trajectory of these bio-markers. According to the experimental results, 5, 6-indolequinone, 4-hydroxyphenyl pyruvic acid (4-HPPA), cortisol and 3-thiosulfate lactic were preliminarily identified as the characteristic metabolic markers. They mainly participate in dopamine system, glucocorticoids and energy metabolic pathways. TLXNET can apparently downregulate the disturbances of metabolic trajectory of the four bio-markers. The experiment indicates that the dementia model induced by injecting Aß25-3 into hippocampus has its characteristic endogenous metabolic markers in urine, and ELXNET can ameliorate dementia by down-regulating the disturbances of metabolic trajectory.


Assuntos
Demência/tratamento farmacológico , Medicamentos de Ervas Chinesas/administração & dosagem , Metabolômica , Urina/química , Peptídeos beta-Amiloides/metabolismo , Peptídeos beta-Amiloides/toxicidade , Animais , Biomarcadores/urina , Demência/urina , Feminino , Hipocampo/efeitos dos fármacos , Hipocampo/metabolismo , Humanos , Masculino , Fragmentos de Peptídeos/metabolismo , Fragmentos de Peptídeos/toxicidade , Ratos , Ratos Sprague-Dawley , Comprimidos/administração & dosagem
11.
Zhongguo Zhong Yao Za Zhi ; 39(10): 1908-12, 2014 May.
Artigo em Zh | MEDLINE | ID: mdl-25282904

RESUMO

OBJECTIVE: To study the effect of Tongluo Xingnao effervescent tablets on learning and memory capacity and expression of Na(+)-K(+)-ATPase in hippocampus of rats with chronic cerebral ischemia-induced learning and memory dysfunction model. METHOD: The 2-VO method was used to establish sd rat model learning and memory dysfunction induced by chronic cerebral ischemia. The 50 rats in the successfully established model were randomly divided into the model control group, the Dihydroergotoxine Mesylate tablets group (0.7 mg x kg(-1), Tongluo Xingnao effervescent tablets high dose (7.56 g x kg(-1)), middle dose (3.78 g x kg(-1)) and low dose (1.59 g x kg(-1)) groups and the sham operation group (n = 10) as the control group. The groups were orally given 10 ml x kg(-1) x d(-1) drugs for consecutively 90 days. On the 86th day, Morris water maze was adopted for them. On the 90th day, a leaning and memory capacity test was held. The brain tissues were fixed with 10% formaldehyde and observed for pathomorphism after routine slide preparation and staining. The expression of hippocampal Na(+)-K(+)-ATPase was detected with immunohistochemistry and image quantitative analysis. RESULT: Compared with the model group, all of Tongluo Xingnao effervescent tablets groups showed significant decrease in the escape latency at the 5th day in the Morris water maze, and notable increase in the frequency of the first quadrant dwell, the frequency passing the escape platform and the frequency entering effective area (p < 0.05). According to the pathomorphological detection, the control group showed a significantly higher pathological score than the sham operation group (p < 0.01), the middle dose group showed a significantly lower pathological score than the model group (p < 0.05). According to the immunohistochemistical detection, the model control group showed a remarkably lower mean OD value of Na(+)-K(+)-ATPase than the sham operation group (p < 0.05), high and middle dose groups showed a significantly higher mean od value than the model control group (p < 0.01). CONCLUSION: Tongluo Xingnao effervescent tablets can improve the learning and memory capacity, reduce pathological changes of hippocampal tissues of rats with chronic cerebral ischemia-induced learning and memory dysfunction model, and promote the expression of Na(+)-K(+)-ATPase in hippocampus.


Assuntos
Isquemia Encefálica/tratamento farmacológico , Isquemia Encefálica/psicologia , Medicamentos de Ervas Chinesas/administração & dosagem , Animais , Isquemia Encefálica/enzimologia , Isquemia Encefálica/genética , Doença Crônica/tratamento farmacológico , Doença Crônica/psicologia , Feminino , Hipocampo/efeitos dos fármacos , Hipocampo/enzimologia , Humanos , Aprendizagem/efeitos dos fármacos , Masculino , Memória/efeitos dos fármacos , Ratos , Ratos Sprague-Dawley , ATPase Trocadora de Sódio-Potássio/genética , ATPase Trocadora de Sódio-Potássio/metabolismo , Comprimidos/administração & dosagem
12.
Zhongguo Zhong Yao Za Zhi ; 38(17): 2863-7, 2013 Sep.
Artigo em Zh | MEDLINE | ID: mdl-24380312

RESUMO

OBJECTIVE: To study the effect of Tongluo Xingnao effervescent tablet on learning and memory of dementia rats induced by injection of Abeta25-35 in hippocampus and expression of insulin-degrading enzyme in hippocampus, in order to provide basis for preventing and treating senile dementia. METHOD: The dementia rat model was established by injecting Abeta25-35 in hippocampus. The rats were divided into the model control group, the Aricept (1.4 mg x kg(-1)) group, and Tongluo Xingnao effervescent tablet high dose (7.56 g x kg(-1)), middle dose (3.78 g x kg(-1)) and low dose (1.59 g x kg(-1)) groups. A sham operation group was established by injecting normal saline in hippocampus. The rats were orally given drugs for 90 days, once a day. Their learning and memory were tested by using Morris water maze. Immunohistochemistry and image analysis were utilized for a quantitative analysis on the expression of insulin-degrading enzyme in hippocampus. RESULT: Tongluo Xingnao effervescent tablet could significantly shorten the escape latency of rats in the directional navigation test, prolong the retention time in the first quadrant dwell, decrease the retention time in the third quadrant dwell, increase the frequency of crossing the platform, show a more notable statistical significance than the model control group (P < 0.05). Additionally, it could also remarkably increase the average optical density of insulin-degrading enzyme in hippocampus, promote the expression of insulin-degrading enzyme in hippocampus, and show a more notable statistical significance than the model control group (P < 0.05). CONCLUSION: Tongluo Xingnao effervescent tablet has the effects of improving learning and memory capacity of AD rats and promoting the expression of insulin-degrading enzyme in hippocampus. Its effect in promoting intelligence will be related to increased insulin-degrading enzyme in hippocampus.


Assuntos
Doença de Alzheimer/tratamento farmacológico , Hipocampo/efeitos dos fármacos , Insulisina/genética , Aprendizagem/efeitos dos fármacos , Memória/efeitos dos fármacos , Doença de Alzheimer/genética , Doença de Alzheimer/metabolismo , Doença de Alzheimer/psicologia , Animais , Feminino , Hipocampo/metabolismo , Humanos , Insulisina/metabolismo , Masculino , Ratos , Ratos Sprague-Dawley , Comprimidos/administração & dosagem
13.
Front Immunol ; 14: 1320305, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38264670

RESUMO

T helper (Th) cells are central members of adaptive immunity and comprise the last line of defense against pathogen infection and malignant cell invasion by secreting specific cytokines. These cytokines then attract or induce the activation and differentiation of other immune cells, including antibody-producing B cells and cytotoxic CD8+ T cells. Therefore, the bidirectional communication between Th cells and tumor cells and their positioning within the tumor microenvironment (TME), especially the tumor immune microenvironment (TIME), sculpt the tumor immune landscape, which affects disease initiation and progression. The type, number, and condition of Th cells in the TME and TIME strongly affect tumor immunity, which is precisely regulated by key effectors, such as granzymes, perforins, cytokines, and chemokines. Moreover, microRNAs (miRNAs) have emerged as important regulators of Th cells. In this review, we discuss the role of miRNAs in regulating Th cell mediated adaptive immunity, focusing on the development, activation, fate decisions, and tumor immunity.


Assuntos
MicroRNAs , Linfócitos T CD8-Positivos , Citocinas , Imunidade Adaptativa , Linfócitos T Auxiliares-Indutores
14.
J Ethnopharmacol ; 304: 116072, 2023 Mar 25.
Artigo em Inglês | MEDLINE | ID: mdl-36543278

RESUMO

ETHNOPHARMACOLOGICAL RELEVANCE: Alleviating rheumatism by inhibiting synovitis is a routine treatment for rheumatoid arthritis (RA). Baihu Jia Guizhi Decoction (BHJGZ) is a classic prescription and has a long history of application for treating RA with a good anti-inflammatory action. However, the underlying molecular mechanisms have not been fully elucidated. AIM OF THE STUDY: This work aimed to decipher the potential mechanism of BHJGZ against RA focusing on Ras/MEK/ERK pathway. MATERIALS AND METHODS: Based on the prediction of network pharmacology, the inhibition action of BHJGZ on Ras/MEK/ERK pathway was firstly validated in vivo and in vitro. Moreover, the affinity with the ingredients of BHJGZ in serum and the targets of Ras/MEK/ERK pathway were evaluated. Finally, the efficacy of BHJGZ for relieving RA was assessed in AA rats. RESULTS: The Ras/MEK/ERK pathway was predicted by network pharmacology as one of important mechanisms of BHJGZ to treat RA. The high expression of Ras protein in synovitis of AA rats was significantly reduced by the treatment with BHJGZ, and the activation of Ras/MEK/ERK pathway in vivo and in vitro was also markedly inhibited (p < 0.05 or p < 0.01). Moreover, the level of p-ERK/ERK, IL-6 and TNF-α in vitro were further suppressed after Ras or MEK was inhibited by mirdametinib or lonafarnib respectively (p < 0.01). Furthermore, the results of molecular docking showed a good affinity and stable binding with the ingredients of BHJGZ in serum and multiple key proteins of the Ras/MEK/ERK pathway. Finally, paw swelling, paw circumference and pathological changes of joint synovitis were significantly reduced by BHJGZ in AA rats (p < 0.05). CONCLUSION: The inhibition of Ras/MEK/ERK pathway is one of crucial mechanisms of BHJGZ for ameliorating synovitis of RA.


Assuntos
Artrite Reumatoide , Sinovite , Ratos , Animais , Sistema de Sinalização das MAP Quinases , Simulação de Acoplamento Molecular , Artrite Reumatoide/tratamento farmacológico , Artrite Reumatoide/patologia , Sinovite/tratamento farmacológico , Quinases de Proteína Quinase Ativadas por Mitógeno
15.
Cell Death Differ ; 30(7): 1786-1798, 2023 07.
Artigo em Inglês | MEDLINE | ID: mdl-37286744

RESUMO

The mitochondrial transmembrane (TMEM) protein family has several essential physiological functions. However, its roles in cardiomyocyte proliferation and cardiac regeneration remain unclear. Here, we detected that TMEM11 inhibits cardiomyocyte proliferation and cardiac regeneration in vitro. TMEM11 deletion enhanced cardiomyocyte proliferation and restored heart function after myocardial injury. In contrast, TMEM11-overexpression inhibited neonatal cardiomyocyte proliferation and regeneration in mouse hearts. TMEM11 directly interacted with METTL1 and enhanced m7G methylation of Atf5 mRNA, thereby increasing ATF5 expression. A TMEM11-dependent increase in ATF5 promoted the transcription of Inca1, an inhibitor of cyclin-dependent kinase interacting with cyclin A1, which suppressed cardiomyocyte proliferation. Hence, our findings revealed that TMEM11-mediated m7G methylation is involved in the regulation of cardiomyocyte proliferation, and targeting the TMEM11-METTL1-ATF5-INCA1 axis may serve as a novel therapeutic strategy for promoting cardiac repair and regeneration.


Assuntos
Miócitos Cardíacos , Processamento de Proteína Pós-Traducional , Animais , Camundongos , Proliferação de Células/genética , Metilação , Miócitos Cardíacos/metabolismo , RNA Mensageiro/genética , RNA Mensageiro/metabolismo
16.
Clin Transl Gastroenterol ; 14(5): e00581, 2023 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-36920551

RESUMO

INTRODUCTION: The aim of this study was to compare transarterial chemoembolization (TACE) combined with apatinib and PD-1 inhibitors (TACE-AP) with TACE combined with apatinib alone (TACE-A) in the treatment of hepatocellular carcinoma (HCC) with portal vein tumor thrombus (PVTT) and to explore the prognostic factors affecting the survival of patients. METHODS: This retrospective study analyzed data of patients with HCC with PVTT who were treated with TACE-AP or TACE-A between December 2018 and June 2021. The primary end points of the study were progression-free survival (PFS) and overall survival (OS), and the secondary end points were objective response rate (ORR) and adverse events (AEs). Propensity score matching (PSM) and stabilized inverse probability weighting (sIPTW) analyses were used to reduce patient selection bias, and Cox regression analysis was used to analyze prognostic factors affecting patient survival. RESULTS: Sixty-nine and 40 patients were included in the TACE-A and TACE-AP groups, respectively. After PSM and IPTW analyses, the median PFS and median OS in the TACE-AP group were significantly higher than those in the TACE-A group (PFS: after PSM, 6.9 vs 4.0 months, P < 0.001, after IPTW, 6.5 vs 5.1 months, P < 0.001; OS: after PSM, 14.6 vs 8.5 months P < 0.001, after IPTW, 16.1 vs 10.5 months, P < 0.001). After PSM and IPTW analyses, the tumor ORR in the TACE-AP group was significantly higher than that in the TACE-A group (PSM, 53.6% vs 17.9%, P = 0.005; IPTW, 52.5% vs 28.6%, P = 0.013). All treatment-related AEs were observed to be tolerated. Multivariate Cox regression analysis showed that the main prognostic factors affecting the survival of patients were tumor number, PVTT type, alpha-fetoprotein, and treatment mode. DISCUSSION: In the treatment of patients with HCC with PVTT, TACE-AP significantly improved PFS, OS, and ORR, and the AEs were safe and controllable.


Assuntos
Carcinoma Hepatocelular , Quimioembolização Terapêutica , Neoplasias Hepáticas , Trombose , Humanos , Carcinoma Hepatocelular/patologia , Neoplasias Hepáticas/patologia , Estudos Retrospectivos , Inibidores de Checkpoint Imunológico/uso terapêutico , Veia Porta/patologia , Quimioembolização Terapêutica/efeitos adversos , Resultado do Tratamento
17.
Front Oncol ; 12: 961394, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36249011

RESUMO

Objective: We evaluated the efficacy and safety of transarterial chemoembolization (TACE) combined with apatinib plus PD-1 inhibitors (TACE-AP) compared with TACE combined with apatinib (TACE-A) in patients with advanced hepatocellular carcinoma (HCC) and to explore the prognostic factors affecting patient survival. Methods: Data from patients with unresectable HCC who received TACE-AP or TACE-A from December 2018 to June 2021 were collected retrospectively. The main outcome of the study was overall survival (OS) and prognostic factors affecting survival, while the secondary outcomes were progression-free survival (PFS), the objective response rate (ORR), and treatment-related adverse events (TRAEs). Propensity score matching (PSM) analysis was used to reduce patient selection bias, and the random survival forest (RF) model was employed to explore prognostic factors affecting patient survival. Results: We enrolled 216 patients, including 148 and 68 patients in the TACE-A and TACE-AP groups, respectively. A total of 59 pairs of patients were matched using PSM analysis. Before and after PSM, the OS, PFS, and ORR in the TACE-AP group were significantly higher than in the TACE-A group (before, OS: 22.5 months vs. 12.8 months, P < 0.001; PFS: 6.7 months vs. 4.3 months, P < 0.001; ORR: 63.2% vs. 34.5%, P < 0.001; after, OS: 22.5 months vs. 12.0 months, P < 0.001; PFS: 6.7 months vs. 4.3 months, P < 0.001; ORR: 62.7% vs. 30.5%, P = 0.003). Multivariate Cox regression and RF models before and after PSM analysis revealed that the main prognostic factors affecting survival were tumor number, portal vein tumor thrombus (PVTT) invasion, alpha-fetoprotein (AFP) levels, total bilirubin (TBIL) level, and treatment. There was no significant difference in TRAEs between the two groups (P > 0.05). Conclusion: Compared with TACE-A, TACE-AP significantly improved OS, PFS, and ORR in patients with advanced HCC. The number of tumors, PVTT invasion, AFP levels, TBIL level, and treatment were significant prognostic factors associated with patient survival. All observed TRAEs were mild and controllable.

18.
Front Oncol ; 12: 1014653, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36212404

RESUMO

Objective: To explore the relationship between plasma arginase-1 (ARG1) and early transarterial chemoembolization (TACE) refractoriness in patients with hepatocellular carcinoma (HCC) and develop nomograms for predicting early TACE refractoriness. Methods: A total of 200 patients with HCC, treated with TACE, were included in the study, including 120 in the training set and 80 in the validation set. Pre-treatment enzyme-linked immunosorbent assay was used to detected the plasma ARG1 levels of the patient, and independent predictors of early TACE refractoriness were determined using a multivariate logistic regression model, based on which a predictive model was developed using a nomogram. Results: Risk of early TACE refractoriness was negatively correlated with plasma ARG1 levels, and multivariate logistic analysis showed tumour size (OR = 1.138, 95% CI = 1.006-1.288, P = 0.041), multiple tumors (OR=4.374, 95% CI = 1.189-16.089, P = 0.026), platelet count (OR = 0.990, 95% CI = 0.980-0.999, P = 0.036), and plasma ARG1 levels (OR = 0.209, 95% CI = 0.079-0.551, P = 0.002) to be independent prognostic factors for early TACE refractoriness.The AUC value for the nomogram of the training cohort was 0.786 (95% CI = 0.702-0.870), and the validation set AUC value was 0.833 (95% CI = 0.791-0.875).The decision curve analysis suggested that the nomogram had good clinical utility. Conclusion: High plasma ARG1 expression was associated with a lower incidence of early TACE refractoriness. The nomogram constructed based on four independent prognostic factors could facilitate an individualised prediction of the incidence of early TACE refractoriness.

19.
Front Oncol ; 12: 1023801, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36439456

RESUMO

Purpose: To search for adaptive response molecules that affect the efficacy of transcatheter arterial chemoembolization (TACE), analyze their clinical correlation with and prognostic value for hepatocellular carcinoma (HCC), and explore their impact on cell biological behavior and their mechanisms of action. Methods: HCC tissue gene sequencing was used to identify differentially expressed genes. The expression of proteoglycan 4 (PRG4) in the serum of 117 patients with HCC who received TACE was detected by enzyme-linked immunosorbent assay. Serum-free medium mimicked TACE-induced nutrient deprivation. Cells with stable knockdown of PRG4 (shPRG4) were constructed to verify the effect and mechanism of PRG4 on the biological behavior of HCC cells in vitro. Results: The expression of PRG4 was significantly elevated under TACE-induced starvation conditions. Low PRG4 expression was associated with worse response to TACE treatment, shorter survival time, and stronger HCC migration ability. Furthermore, in vitro experiments showed that knockdown of PRG4 promoted HCC cell migration by enhancing epithelial-mesenchymal transition (EMT) while did not affect proliferation. When PRG4 expression was low, starvation treatment impaired the migratory ability of HCC cells and reduced the chemosensitivity of HCC cells to epirubicin. Conclusions: PRG4 expression predicts survival and TACE treatment response in patients with HCC. Furthermore, knockdown of PRG4 enhanced EMT, leading to HCC cell migration. PRG4 may serve as a biomarker for HCC patients receiving TACE.

20.
Sichuan Da Xue Xue Bao Yi Xue Ban ; 42(4): 503-7, 2011 Jul.
Artigo em Zh | MEDLINE | ID: mdl-21866635

RESUMO

OBJECTIVE: To investigate effects of ginsenoside Rg1 on angiogenesis in neonatal rats with hypoxia ischemia brain damage (HIBD), and explore the possible mechanism. METHODS: Fifty-four of 10-day-old SD rats were randomly divided into sham-operation group (n = 6), hypoxia-ischemia brain damage group (n = 24) and ginsenoside Rg1 treatment group (n = 24). SD rats in HIBD group and Rg1 group were treated by separation and ligation of right common carotid artery (CCA) and subsequently exposed to hypoxia for 2.5 hours, and those in sham group were treated by only separation of right CCA, without ligation or exposure to hypoxia. Intraperitoneal injection of 0.1 mL normal saline (NS) containing 40 mg/kg Rg1 was performed immediately after operation in Rg1 group, and such process was repeated every 24 h for 3 days. Intraperitoneal injection of 0.1 mL pure NS was performed in both HIBD group and sham group, in the same way as that of in Rg1 group. General state of SD rats after operation was monitored, 4, 8, 24 and 72 hours after HIBD, animals were executed and the right side of brain tissue was separated for further process. Protein expression of both hypoxia inducible factor 1alpha (HIF-1alpha) and vascular endothelial growth factor (VEGF) were detected by both Western blot and immunohistochemistry. Immunohistochemistry for von willebrand factor (vwf) was used to labeling micro vessels. RESULTS: All rats survived to the end of the study and neurological dysfunction was observed in both HIBD group and Rgl group, but not in sham group. Expression of HIF-1alpha protein in HIBD group was increased at 4, 8, 24 and 72 h, compared to that in sham group (P < 0.05). Expression of HIF-1alpha protein in Rg1 group was increased compared to that in HIBD group at the same time points (P < 0.05). Expression of VEGF protein in HIBD group was increased at 4, 8, and 24 h, compared to that in sham group (P < 0.05). Expression of VEGF protein in Rg1 group was increased at 24 and 72 h compared to that in HIBD group at the same time point (P < 0.05). Number of vwf-positive cells at 24 and 72 h in HIBD group was increased compared to that in sham group (P < 0.05), and number of vwf-positive cells at 72 h in Rg1 group was increased compared to that in HIBD group at the same time point (P < 0.05). CONCLUSION: Rg1 could facilitate angiogenesis after HIBD in Neonatal rats by strengthening and stabilizing HIF-1alpha/VEGF signaling pathway.


Assuntos
Encéfalo/irrigação sanguínea , Ginsenosídeos/uso terapêutico , Hipóxia-Isquemia Encefálica/tratamento farmacológico , Neovascularização Fisiológica/efeitos dos fármacos , Animais , Animais Recém-Nascidos , Encéfalo/metabolismo , Feminino , Ginsenosídeos/farmacologia , Subunidade alfa do Fator 1 Induzível por Hipóxia/metabolismo , Masculino , Distribuição Aleatória , Ratos , Ratos Sprague-Dawley , Fator A de Crescimento do Endotélio Vascular/metabolismo
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