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1.
Dalton Trans ; 2024 Jul 26.
Artigo em Inglês | MEDLINE | ID: mdl-39058426

RESUMO

A functionalized modified metal-organic framework material, T-MOF-808, was synthesized through hydrophobic modification with tetraethyl orthosilicate (TEOS) and chlorotrimethylsilane (TMCS). Then a supported oxidative desulfurization catalyst, [C12Py]3(NH4)3Mo7O24/T-MOF-808(s), was prepared by using a heteropoly acid ionic liquid as the active component. The prepared samples were characterized using FT-IR, XRD, SEM, TEM, XPS, etc. [C12Py]3(NH4)3Mo7O24/T-MOF-808(s) was used in the oxidative desulfurization of dibenzothiophene (DBT). At the same time, the effects of different loadings of the active component, oxygen sulfur ratios, reaction temperatures, and reaction time were also investigated. [C12Py]3(NH4)3Mo7O24/T-MOF-808-15%(s) could oxidize 100% of DBT in 40 min at 60 °C. Significantly, the catalyst exhibited no discernible decline in catalytic activity after 14 runs. In addition, the efficiency of sulfur removal was 85.76% in actual diesel oil. It was found that the cooperative impact of hydrophobic modification and electron transfer makes an important contribution to the high activity. The hydrophobic modification provides a novel approach for using MOF materials in the oxidative desulfurization process.

2.
Lipids Health Dis ; 23(1): 168, 2024 Jun 04.
Artigo em Inglês | MEDLINE | ID: mdl-38835019

RESUMO

BACKGROUND: We aimed to explore the association and potential causality between polyunsaturated fatty acids concentrations and the risk of periodontal disease. MATERIALS AND METHODS: Data were collected from the 2011-2014 National Health and Nutrition Examination Survey (NHANES). Weighted logistic regression analysis and restricted cubic spline (RCS) analysis were used to analyse the associations of the concentrations of omega-3 and omega-6 fatty acids and the omega-6/omega-3 fatty acids ratio with the risk of periodontitis. E-value and propensity score matching (PSM) analyses were used for sensitivity analyses. In addition, two-sample Mendelian randomisation (MR) analyses were performed to assess the potential causal impact of the concentrations of those fatty acids on periodontitis risk. RESULTS: A total of 2462 participants from the NHANES were included. Logistic regression analysis revealed that high omega-3 fatty acids levels were negatively associated with the risk of developing periodontitis (P < 0.05), while the omega-6/omega-3 fatty acids ratio was positively associated with the risk of developing periodontitis (P < 0.05). There was no significant association between omega-6 concentrations and the risk of periodontitis. The findings mentioned above were confirmed by analysis following a 1:1 PSM. Furthermore, MR examination of the two samples indicated no possible causal link between the risk of periodontitis and the concentrations of omega-3 or omega-6 fatty acids or the ratio of omega-6 to omega-3 fatty acids (P > 0.05). CONCLUSION: Although omega-3 fatty acids and the omega-6/omega-3 fatty acids ratio were associated with the risk of periodontitis in cross-sectional studies, the MR results did not support a causal relationship between them. Therefore, there is no indication that an increase in the omega-3 fatty acids concentration or a decrease in the omega-6/omega-3 fatty acids ratio may be beneficial for preventing periodontitis.


Assuntos
Ácidos Graxos Ômega-3 , Ácidos Graxos Ômega-6 , Análise da Randomização Mendeliana , Inquéritos Nutricionais , Periodontite , Humanos , Periodontite/genética , Periodontite/epidemiologia , Ácidos Graxos Ômega-3/sangue , Feminino , Masculino , Pessoa de Meia-Idade , Adulto , Fatores de Risco , Ácidos Graxos Insaturados , Modelos Logísticos , Idoso
3.
J Cell Mol Med ; 28(10): e18398, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38785203

RESUMO

Behçet's disease (BD) is a complex autoimmune disorder impacting several organ systems. Although the involvement of abdominal aortic aneurysm (AAA) in BD is rare, it can be associated with severe consequences. In the present study, we identified diagnostic biomarkers in patients with BD having AAA. Mendelian randomization (MR) analysis was initially used to explore the potential causal association between BD and AAA. The Limma package, WGCNA, PPI and machine learning algorithms were employed to identify potential diagnostic genes. A receiver operating characteristic curve (ROC) for the nomogram was constructed to ascertain the diagnostic value of AAA in patients with BD. Finally, immune cell infiltration analyses and single-sample gene set enrichment analysis (ssGSEA) were conducted. The MR analysis indicated a suggestive association between BD and the risk of AAA (odds ratio [OR]: 1.0384, 95% confidence interval [CI]: 1.0081-1.0696, p = 0.0126). Three hub genes (CD247, CD2 and CCR7) were identified using the integrated bioinformatics analyses, which were subsequently utilised to construct a nomogram (area under the curve [AUC]: 0.982, 95% CI: 0.944-1.000). Finally, the immune cell infiltration assay revealed that dysregulation immune cells were positively correlated with the three hub genes. Our MR analyses revealed a higher susceptibility of patients with BD to AAA. We used a systematic approach to identify three potential hub genes (CD247, CD2 and CCR7) and developed a nomogram to assist in the diagnosis of AAA among patients with BD. In addition, immune cell infiltration analysis indicated the dysregulation in immune cell proportions.


Assuntos
Aneurisma da Aorta Abdominal , Síndrome de Behçet , Biomarcadores , Biologia Computacional , Análise da Randomização Mendeliana , Humanos , Síndrome de Behçet/genética , Síndrome de Behçet/diagnóstico , Síndrome de Behçet/complicações , Aneurisma da Aorta Abdominal/genética , Aneurisma da Aorta Abdominal/diagnóstico , Biologia Computacional/métodos , Curva ROC , Redes Reguladoras de Genes , Predisposição Genética para Doença , Mapas de Interação de Proteínas/genética , Nomogramas , Receptores CCR7
4.
Cell Commun Signal ; 22(1): 271, 2024 May 15.
Artigo em Inglês | MEDLINE | ID: mdl-38750493

RESUMO

BACKGROUND: Macrophages are key inflammatory immune cells that orchestrate the initiation and progression of autoimmune diseases. The characters of macrophage in diseases are determined by its phenotype in response to the local microenvironment. Ficolins have been confirmed as crucial contributors to autoimmune diseases, with Ficolin-2 being particularly elevated in patients with autoimmune diseases. However, whether Ficolin-A stimulates macrophage polarization is still poorly understood. METHODS: We investigated the transcriptomic expression profile of murine bone marrow-derived macrophages (BMDMs) stimulated with Ficolin-A using RNA-sequencing. To further confirm a distinct phenotype activated by Ficolin-A, quantitative RT-PCR and Luminex assay were performed in this study. Additionally, we assessed the activation of underlying cell signaling pathways triggered by Ficolin-A. Finally, the impact of Ficolin-A on macrophages were investigated in vivo through building Collagen-induced arthritis (CIA) and Dextran Sulfate Sodium Salt (DSS)-induced colitis mouse models with Fcna-/- mice. RESULTS: Ficolin-A activated macrophages into a pro-inflammatory phenotype distinct to LPS-, IFN-γ- and IFN-γ + LPS-induced phenotypes. The transcriptomic profile induced by Ficolin-A was primarily characterized by upregulation of interleukins, chemokines, iNOS, and Arginase 1, along with downregulation of CD86 and CD206, setting it apart from the M1 and M2 phenotypes. The activation effect of Ficolin-A on macrophages deteriorated the symptoms of CIA and DSS mouse models, and the deletion of Fcna significantly alleviated the severity of diseases in mice. CONCLUSION: Our work used transcriptomic analysis by RNA-Seq to investigate the impact of Ficolin-A on macrophage polarization. Our findings demonstrate that Ficolin-A induces a novel pro-inflammatory phenotype distinct to the phenotypes activated by LPS, IFN-γ and IFN-γ + LPS on macrophages.


Assuntos
Ficolinas , Inflamação , Lectinas , Macrófagos , Camundongos Endogâmicos C57BL , Fenótipo , Animais , Macrófagos/metabolismo , Macrófagos/efeitos dos fármacos , Lectinas/genética , Lectinas/metabolismo , Camundongos , Inflamação/genética , Inflamação/patologia , Ativação de Macrófagos/efeitos dos fármacos , Colite/induzido quimicamente , Colite/patologia , Colite/genética , Polaridade Celular/efeitos dos fármacos , Artrite Experimental/genética , Artrite Experimental/patologia , Transdução de Sinais/efeitos dos fármacos
5.
J Res Med Sci ; 29: 11, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38524749

RESUMO

Background: This retrospective cohort study aimed to evaluate the effect of lifestyle factors (e.g., smoking, drinking, physical exercise, and sleep duration) on the long-term survival of gastric cancer (GC) patients after radical resection. Materials and Methods: GC patients after radical resection were enrolled from January 2016 to December 2017. Their baseline clinical data, lifestyle factors, and prognosis were collected. The primary endpoint was all-cause death. The relationship between the variables and survival was examined using the Cox proportional hazards model. Results: A total of 309 patients were enrolled and 296 patients were followed up for a median of 54.0 months, with 130 confirmed deaths. Older age (>60 years) (hazard ratio [HR]: 1.307, 95% confidence interval [CI]: 1.056-2.161, P = 0.006), advanced tumor, node, and metastasis stage (P < 0.05), poorly pathological differentiation (HR: 1.765, 95% CI: 1.080-2.884, P = 0.023), history of smoking (P < 0.001), never physical exercise (HR: 2.057, 95% CI: 1.170-3.617, P = 0.012), long sleep duration (≥8 h) (HR: 4.160, 95% CI: 1.501-11.533, P = 0.006), and short sleep duration (<6 h) (HR: 3.417, 95% CI: 1.312-8.900, P = 0.012) were independent indicators of a poor overall survival in GC patients after radical resection. Conclusion: Smoking cessation, proper sleep duration, and regular physical exercise habits can improve the long-term survival of GC patients after radical resection.

6.
Curr Neurovasc Res ; 21(1): 47-53, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38310556

RESUMO

BACKGROUND: Neurointervention via Transradial Access (TRA) is becoming increasingly popular as experience with this technique increases. However, approximately 8.6-10.3% of complex TRA cases are converted to femoral access due to a lack of support or radial artery spasm. This study aimed to assess the efficacy and safety of the TRUST (trans-radial coaxial catheter technique using a short sheath, Simmons catheter, and Tethys intermediate catheter) technique in interventional procedures via TRA. METHODS: This was a single-center retrospective analysis of 16 patients admitted to our institute between January 2023 to May 2023 to undergo endovascular interventions with the TRUST technique via the TRA. RESULTS: The mean age of the study population was 63.8 years, and 62.5% were male (10/16). The most common procedure was intracranial atherosclerotic stenosis (93.75%, 15/16). All procedures were performed successfully, and the most common procedures in our cohort were ballooning (50.0%, 8/16), stenting (18.75%, 3/16), and both procedures combined (31.25%, 1/16). All procedures were performed using the TRA, and the distal and proximal radial arteries were used for access in 31.35% (5/16) and 68.75% (11/16) of the cases, respectively. Technical success was achieved in all patients and most cases demonstrated mTICI ≥2b recanalization (93.75%, 15/16). In this case, no major access-site complications occurred. CONCLUSION: The TRUST technique is technically safe and feasible and had a high technical success rate and low complication rate in our study. These results demonstrate that the TRUST technique is a promising alternative for patients undergoing complex neurointerventions.


Assuntos
Procedimentos Endovasculares , Artéria Radial , Humanos , Masculino , Pessoa de Meia-Idade , Feminino , Estudos Retrospectivos , Idoso , Procedimentos Endovasculares/métodos , Resultado do Tratamento , Adulto
7.
Prim Health Care Res Dev ; 25: e9, 2024 Feb 12.
Artigo em Inglês | MEDLINE | ID: mdl-38343367

RESUMO

BACKGROUND: This study aims to investigate the knowledge of rural general practitioners (GPs) in esophageal cancer (EC) prevention and treatment in China and analyze relevant influencing factors, so as to improve the ability of rural GPs in EC prevention and treatment. METHODS: This cross-sectional study was conducted from November 5, 2021, to November 20, 2021. A self-designed questionnaire was used to conduct an online survey. Multivariable logistic regression models were used to identify the influencing factors of knowledge proficiency of GPs in rural China for EC prevention and treatment. RESULTS: This study included 348 participants from 12 rural areas in Hebei Province. The mean accuracy rate on all question items was 42.3% ± 10.67%. Sex (OR = 2.870, 95% CI: 1.519-5.423), educational level (OR = 3.256, 95% CI: 1.135-9.339), and comprehension of clinical practice guidelines for EC (OR = 4.305, 95% CI: 2.023-9.161) were significant predictors for GPs' knowledge proficiency of EC prevention and treatment (P < 0.05). CONCLUSIONS: The study indicated that knowledge proficiency of rural GPs of EC prevention and control still awaits to be improved. Sex, educational level, and comprehension of clinical practice guidelines for EC were significant predictors for their proficiency.


Assuntos
Neoplasias Esofágicas , Clínicos Gerais , Humanos , Estudos Transversais , Inquéritos e Questionários , População Rural , Neoplasias Esofágicas/prevenção & controle
8.
Otolaryngol Head Neck Surg ; 170(5): 1391-1403, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38123520

RESUMO

OBJECTIVE: This study is aim to explore the causal relationship between anxiety, depression, neuroticism, and Meniere's disease (MD). STUDY DESIGN: Two-sample bidirectional Mendelian randomization (MR) analyses. SETTING: IEU, FinnGen, CTG, and UKB databases. METHODS: The genome-wide association studies data for anxiety, depression, neuroticism, and MD involved over 357,957 participants. MR was performed to explore relationships between anxiety, depression, neuroticism, and MD. Sensitivity analyses were performed to assess the robustness of the MR results. Reverse MR was used to exclude the possibility of reverse causality. Finally, multivariate MR was performed to explore the collinear relationships between neuroticism subclusters. RESULTS: MR results showed that anxiety and depression are not causes of MD, nor does MD cause anxiety and depression. Elevated neuroticism sum score is a cause of anxiety, depression, and MD, but MD does not lead to an increase in the level of neuroticism sum score. Further analysis showed that the 5 subclusters of neuroticism often feel lonely, mood often goes up and down, often feel fed-up, feelings easily hurt, and sensitivity to environmental stress and adversity are causes of MD. Multivariate MR analysis results suggested that the 5 neuroticism subclusters have a collinear relationship. CONCLUSION: Anxiety and depression are not causative factors of MD, and vice versa. Elevated neuroticism levels serve as a shared causative factor for anxiety, depression, and MD. Identification and effective management of neuroticism is a potential target for preventing and treating MD.


Assuntos
Estudo de Associação Genômica Ampla , Análise da Randomização Mendeliana , Doença de Meniere , Neuroticismo , Angústia Psicológica , Humanos , Doença de Meniere/genética , Doença de Meniere/psicologia , Depressão/epidemiologia , Ansiedade , Masculino , Feminino
9.
Animals (Basel) ; 13(23)2023 Nov 24.
Artigo em Inglês | MEDLINE | ID: mdl-38066986

RESUMO

The objective of this study was to determine the influence of supplementing the diet of growing-finishing pigs with glycerin and/or a mixture of vitamin C and niacinamide on carcass traits and pork quality. Eighty-four weaned piglets with an initial average body weight of 20.35 ± 2.14 kg were assigned, at random, to four groups for a 103-day feeding experiment: control; glycerin-supplemented group; vitamin C and niacinamide-supplemented group; and glycerin, vitamin C and niacinamide-supplemented group. At the end of the experiment, three pigs/group were randomly selected and slaughtered, and samples were collected for analysis. The results indicated that supplementing crossbred pigs with glycerin, vitamin C and niacinamide simultaneously increased the redness (a*) value (p < 0.05), glycerol content (p < 0.01) and myristoleic acid content (p < 0.01) in the longissimus dorsi and tended to increase the level of flavor amino acids, linoleic acid, linolenic acid and erucic acid, as well as the percentage and density of type I myofibers in the longissimus dorsi and the semimembranosus muscle. Glycerin had an influence (p < 0.01) on the erucic acid content in the longissimus dorsi and the semimembranosus muscle, and vitamin C and niacinamide had an interaction effect (p < 0.05) on the redness (a*) value of the longissimus dorsi. Glycerin, vitamin C and niacinamide supplementation in the diet of crossbred pigs improved the color, flavor and nutritional value of pork, which contributed to an increased intent to purchase this product.

10.
Reproduction ; 166(6): 451-458, 2023 12 01.
Artigo em Inglês | MEDLINE | ID: mdl-37855439

RESUMO

In brief: Genistein contributes to granulosa cell (GC) survival by two routes: one is that genistein induced p-AMPK and inhibited p-mTOR, which induces LC3 activation and autophagy; the other is that genistein inhibited caspase-3 and its cleavage, which induces PARP1 activation and PARylation. Abstract: Genistein is an isoflavone which is beneficial for health, but little is known regarding its function on granulosa cell fate during follicular atresia. In the present study, we established an in vitro model of porcine follicular granulosa cell apoptosis by serum deprivation and showed that treatments with 1 µM and 10 µM genistein significantly reduced the apoptotic rate of granulosa cells compared to the blank control (P < 0.05). These results suggest that genistein at micromolar levels alleviates serum deprivation-induced granulosa cell apoptosis, and the ameliorative effect of genistein on granulosa cell apoptosis is likely to be able to inhibit nutrient depletion-induced follicular atresia. Further experimental results revealed that the expression of the autophagic marker protein LC3II in 100 nM-10 µM genistein treatment increased in a dose-dependent manner and was higher than the control (P < 0.05). Genistein also dose dependently promoted the phosphorylation of AMPK (adenosine 5'-monophosphate-activated protein kinase) in granulosa cells. Poly(ADP-ribose) (pADPr) formation in genistein-treated groups was also notably higher than in the controls (P < 0.05). Collectively, genistein alleviates serum deprivation-induced granulosa cells in vitro through enhancing autophagy, which involving AMPK activation and PARylation signaling. However, further study should be carried out to investigate the role of the aforementioned signaling on this process.


Assuntos
Proteínas Quinases Ativadas por AMP , Genisteína , Feminino , Animais , Suínos , Genisteína/farmacologia , Genisteína/metabolismo , Proteínas Quinases Ativadas por AMP/metabolismo , Atresia Folicular/fisiologia , Células da Granulosa/metabolismo , Apoptose
11.
Animals (Basel) ; 13(18)2023 Sep 07.
Artigo em Inglês | MEDLINE | ID: mdl-37760250

RESUMO

Neonatal Hoxa1-/- piglets were characterized by dyspnea owing to the Hoxa1 mutation, and maternal administration with ATRA alleviated the dyspnea of neonatal Hoxa1-/- piglets. The purpose of this experiment was to explore how maternal ATRA administration rescued the abnormal fetal lungs of Hoxa1-/- piglets. Samples of the lungs were collected from neonatal Hoxa1-/- and non-Hoxa1-/- piglets delivered by sows in the control group, and from neonatal Hoxa1-/- piglets born by sows administered with ATRA at 4 mg/kg body weight on dpc 12, 13, or 14, respectively. These were used for the analysis of ELISA, histological morphology, immunofluorescence staining, immunohistochemistry staining, and quantitative real-time PCR. The results indicate that the Hoxa1 mutation had adverse impacts on the development of the alveoli and pulmonary microvessels of Hoxa1-/- piglets. Maternal administration with ATRA at 4 mg/kg body weight on dpc 14 rescued the abnormal lung development of Hoxa1-/- piglets by increasing the IFN-γ concentration (p < 0.05), airspace area (p < 0.01) and pulmonary microvessel density (p < 0.01); increasing the expression of VEGFD (p < 0.01), PDGFD (p < 0.01), KDR (p < 0.01), ID1 (p < 0.01), and NEDD4 (p < 0.01); and decreasing the septal wall thickness (p < 0.01) and the expression of SFTPC (p < 0.01) and FOXO3 (p < 0.01). Maternal administration with ATRA plays a vital role in rescuing the abnormal development of lung of Hoxa1-/- fetal piglets.

12.
RSC Adv ; 13(37): 25888-25894, 2023 Aug 29.
Artigo em Inglês | MEDLINE | ID: mdl-37655352

RESUMO

Deep eutectic solvents (DESs) have been extensively studied as promising green solvents to attain a better removal efficiency of sulfide. A new DES system formed from choline chloride (ChCl), benzene sulfonic acid (BSA), and ethylene glycol (EG) as a class of ternary DESs was prepared and used in the oxidative desulfurization (ODS) of different sulfides. Ternary DESs have distinct advantages such as volatility and high activity compared with organic acid-based binary DESs. Under the optimum conditions with VDES/VOil = 1 : 5, O/S (molar ratio of oxygen to sulfur) = 5, and T = 25 °C, the desulfurization efficiencies of dibenzothiophene (DBT), 4,6-dimethyldibenzothiophene (4,6-DMDBT), and benzothiophene (BT) were all achieved to 100% in 2 h. Through experimental and density functional theory (DFT) calculation methods, this new system as a class of ternary DESs shows good stability and excellent desulfurization performance at room temperature. The investigation of this study could supply a new idea of ternary DESs for oxidative desulfurization.

13.
Biomark Med ; 17(3): 123-131, 2023 02.
Artigo em Inglês | MEDLINE | ID: mdl-37042447

RESUMO

Aim: This study aimed to verify the prognostic value of monocyte to high-density lipoprotein ratio (MHR) in gastric cancer patients after radical resection. Methods: The Cox proportional hazards model was used to determine the risk variables for survival. Results: Older age (>60 years) (hazard ratio [HR]: 1.832; 95% CI: 1.167-2.725; p = 0.009), advanced tumor node metastasis stage (p < 0.05), lymphatic invasion (HR: 1.639; 95% CI: 1.114-3.032; p < 0.05), vascular invasion (HR: 2.002; 95% CI: 1.246-5.453; p = 0.028) and high MHR (HR: 1.154; 95% CI: 1.062-2.315; p = 0.021) were independent poor prognostic factors for gastric cancer patients after radical resection. Conclusion: Older age, advanced tumor node metastasis stage, lymphatic invasion, vascular invasion and high MHR were independent poor prognostic factors for gastric cancer patients after radical resection.


Assuntos
Neoplasias Gástricas , Humanos , Estadiamento de Neoplasias , Neoplasias Gástricas/patologia , Monócitos/patologia , Lipoproteínas HDL , Prognóstico , Modelos de Riscos Proporcionais , Estudos Retrospectivos
14.
Toxicol In Vitro ; 87: 105520, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-36410616

RESUMO

MC-LR is one of the cyanotoxins produced by fresh water cyanobacteria. Previous studies showed that autophagy played an important role in MC-LR-induced reproduction toxicity. However, information on the toxicological mechanism is limited. In this study, MC-LR could induce autophagy and apoptosis in GCO cells in vitro. In GCO cells that had been exposed to MC-LR, the inhibitor of 3-MA effectively decreased cell viability and damaged cell ultrastructure. Oxidative stress was significantly increased in the 3-MA + MC-LR group, accompanied by significantly increased MDA content and decreased CAT activity and GST, SOD1, GPx, and GR expression levels (P < 0.05). Inflammation was more serious in the 3-MA + MC-LR group than that of MC-LR group, which was evidenced by increasing expression levels of TNFα, IL11, MyD88, TNFR1, TRAF2, JNK, CCL4, and CCL20 (P < 0.05). Interestingly, the significant decrease of Caspase-9, Caspase-7, and Bax expression and significant increase of Bcl-2 and Bcl-2/Bax ratio in 3-MA + MC-LR group compared to MC-LR group, suggesting that extent of apoptosis were reduced. Taken together, these results indicated that MC-LR induced autophagy and apoptosis in GCO cells, however, the inhibition of autophagy decreased the extent of apoptosis, induced more serious oxidative stress and inflammation, which eventually induced cell death. Our findings provided some information for exploring the toxicity of MC-LR, however, the role of autophagy require further study in vivo.


Assuntos
Carpas , Animais , Feminino , Proteína X Associada a bcl-2/metabolismo , Ovário/metabolismo , Estresse Oxidativo , Apoptose , Microcistinas/toxicidade , Microcistinas/metabolismo , Inflamação/induzido quimicamente , Inflamação/metabolismo , Proteínas Proto-Oncogênicas c-bcl-2/metabolismo , Autofagia
15.
Histol Histopathol ; 38(4): 423-430, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-36190183

RESUMO

This study evaluated the potential of endothelial progenitor cell (EPC)-derived exosomes as a therapeutic factor for neuronal apoptosis. Mouse EPCs were cultured in vitro, and exosomes were isolated and identified using transmission electron microscopy (TEM), particle size analysis and by determining the protein expressions of exosome markers (CD9, CD63 and Alix). The apoptotic rate of OGD-treated neurons was detected by Flow cytometry assay. The mRNA and protein expression levels were detected by RT-PCR and Western blot assay, respectively. Luciferase reporter assays determined the interaction between miR-221-3p and Bcl2l11. The results showed that most exosomes are 80-120 nm in diameter. Western blot assay showed that CD9, CD63 and Alix were enriched in exosomes. EPC-derived exosomes ameliorated OGD-induced neuronal apoptosis. Mechanistically, miR-221-3p from EPC-derived exosomes decreased the expression of bcl2l11 in OGD-induced neuronal apoptosis. Moreover, exosomes from miR-221-3p mimics transfected EPCs reduced OGD-induced neuronal apoptosis. In conclusion, miR-221-3p in EPC derived exosomes ameliorates OGD-induced neuronal apoptosis, which establish its potential as a new therapeutic method for patients with cerebrovascular diseases.


Assuntos
Células Progenitoras Endoteliais , Exossomos , MicroRNAs , Camundongos , Animais , MicroRNAs/genética , MicroRNAs/metabolismo , Células Progenitoras Endoteliais/metabolismo , Exossomos/genética , Exossomos/metabolismo , Apoptose , Glioxilatos/metabolismo
16.
Ann Otol Rhinol Laryngol ; 132(1): 5-12, 2023 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-35081764

RESUMO

OBJECTIVE: The aim of this study is to create a nomogram for accurately predicting the prognosis of idiopathic sudden sensorineural hearing loss (ISSNHL) and provide a reference for clinical treatment. METHODS: Three hundred and twenty-three patients with ISSNHL were admitted from September 2014 to November 2020. The clinical data were retrospectively reviewed. Prognostic factors for ISSNHL were assessed based on univariate and multivariate logistic regression analysis and used to create a nomogram. Nomogram performance in terms of predictive and discriminatory ability was evaluated by calculating the concordance index (C-index) and generating calibration plots. RESULTS: The overall hearing improvement rate was 41.4%, comprising complete recovery (13.3%), marked recovery (17.0%), and slight recovery (11.1%). Multivariate logistic regression analysis showed that age, symptoms of vertigo, interval between onset and treatment, low-density lipoprotein, and type of hearing loss were independent predictors of ISSNHL. A nomogram based on these 5 factors had a C index of 0.798 (95% confidence interval 0.750-0.845). CONCLUSIONS: Age, vertigo, interval between onset and treatment, low-density lipoprotein level, and type of hearing loss are closely associated with hearing recovery. The nomogram may enable prediction of the prognosis of ISSNHL and facilitate clinical decision-making.


Assuntos
Perda Auditiva Neurossensorial , Perda Auditiva Súbita , Humanos , Estudos Retrospectivos , Nomogramas , Perda Auditiva Súbita/diagnóstico , Perda Auditiva Súbita/terapia , Perda Auditiva Neurossensorial/tratamento farmacológico , Prognóstico , Vertigem/complicações , Lipoproteínas LDL/uso terapêutico
17.
Front Immunol ; 14: 1290839, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38235126

RESUMO

Objective: As a pseudokinase, Tribbles Pseudokinase 3 (TRIB3) is implicated in a wide array of biological processes, including cell signal transduction, metabolic regulation, stress responses, and immune regulation. While its significant role in the immune regulation of certain cancers is well-established, the specific functions and impact of TRIB3 in head and neck squamous cell carcinoma (HNSC) remain unclear. Methods: The data of RNA-sequence was acquired from the TCGA database to analyze the expression patterns of TRIB3 and elucidate its prognostic value in HNSC patients. Furthermore, the correlation between TRIB3 and tumor mutation burden, clinical data, immune checkpoint genes, and immune cell infiltration was explored. Moreover, the TRIB3 location in tumor tissues and subcellular structures was identified via Tisch in the HPA database, and the potential protein interaction molecules for TRIB3 were elucidated in the STRING database. The potential TRIB3 gene function was assessed using gene set enrichment analysis (GSEA), whereas the TRIB3 expression levels in clinical HNSC samples were verified by RT-qPCR and immunohistochemistry. the role of TRIB3 in enhancing the malignant behavior of HNSC cells was validated in vitro through a series of methods including RT-qPCR, CCK8 assay, wound healing assay, and transwell assay. Results: It was revealed that TRIB3 was significantly overexpressed in the nucleus and cytoplasm of HNSC. Furthermore, this overexpression markedly enhanced the migration ability of tumor cells. As an independent prognostic factor, TRIB3 was associated with advanced tumor T stage and was significantly involved with tumor mutation burden and immune cell infiltration in HNSC. Moreover, it was observed that TRIB3 was not a predicted factor for PD1/PDL1 and ATL4 inhibitor treatment; however, it was substantially correlated with various immune evasion-related genes in HNSC. Conclusion: TRIB3 could serve as a potential prognostic marker for HNSC and might be a key gene mediating HNSC immune evasion.


Assuntos
Neoplasias de Cabeça e Pescoço , Evasão da Resposta Imune , Humanos , Prognóstico , Carcinoma de Células Escamosas de Cabeça e Pescoço , Citoplasma , Proteínas Repressoras , Proteínas Serina-Treonina Quinases/genética , Proteínas de Ciclo Celular
18.
Animals (Basel) ; 12(20)2022 Oct 21.
Artigo em Inglês | MEDLINE | ID: mdl-36290264

RESUMO

Different untargeted metabolomics approaches were used to identify the differential metabolites between milk samples collected from two groups. Sows were supplemented with fermented compound Chinese medicine feed additive at levels of 0 g/d/sow (control group, n = 10) and 50 g/d/sow (experimental group, n = 10), respectively, from d 104 of gestation to d 25 of lactation, samples of colostrum and mature milk were collected. Data indicated that supplementing fermented compound Chinese medicine feed additive to sows significantly increased the concentrations of quercetin, pinocembrin, chlorogenic acid, methyl succinic acid, L-tryptophan, adenosine, guanine, arteannuin, ferulic acid, echimidine N-oxide, pogostone and kynurenine in the colostrum and inosine, guanosine, benzene-1,2,4-triol, hypoxanthine, adenine, trehalose 6-phosphate in mature milk, respectively. Seven pathways (flavone and flavanol biosynthesis, galactose metabolism, phenylpropanoid biosynthesis, stilbenoid and gingerol biosynthesis, flavonoid biosynthesis, ABC transporters and purine metabolism) in colostrum and two pathways (sucrose metabolism and retrograde endocannabinoid signaling) in mature milk were significantly enriched in the experimental group compared to control group, respectively. The supplementation of fermented compound Chinese medicine feed additive to sows increased the level of antibacterial and anti-inflammatory ingredients in milk and the findings of this study hint that supplementation with fermented compound Chinese medicine feed additive in sows is beneficial for the improvement of milk quality.

19.
Front Neurol ; 13: 906377, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35923831

RESUMO

Objectives: We aimed to investigate the association between post-procedure cerebral blood flow velocity (CBFV) and severity of brain edema in patients with acute ischemic stroke (AIS) who received early endovascular therapy (EVT). Methods: We retrospectively included patients with AIS who received EVT within 24 h of onset between February 2016 and November 2021. Post-procedure CBFV of the middle cerebral artery was measured in the affected and the contralateral hemispheres using transcranial Doppler ultrasound. The severity of brain edema was measured using the three-level cerebral edema grading from the Safe Implementation of Thrombolysis in Stroke-Monitoring Study, with grades 2-3 indicating severe brain edema. The Association between CBFV parameters and severity of brain edema was analyzed. Results: A total of 101 patients (mean age 64.2 years, 65.3% male) were included, of whom 56.3% (57/101) suffered brain edema [grade 1, 23 (22.8%); grade 2, 10 (9.9%); and grade 3, 24 (23.8%)]. Compared to patients with non-severe brain edema, patients with severe brain edema had lower affected/contralateral ratios of systolic CBFV (median 1 vs. 1.2, P = 0.020) and mean CBFV (median 0.9 vs. 1.3, P = 0.029). Multivariate logistic regression showed that severe brain edema was independently associated with affected/contralateral ratios of systolic CBFV [odds ratio (OR) = 0.289, 95% confidence interval (CI): 0.069-0.861, P = 0.028] and mean CBFV (OR = 0.278, 95% CI: 0.084-0.914, P = 0.035) after adjusting for potential confounders. Conclusion: Post-procedure affected/contralateral ratio of CBFV may be a promising predictor of brain edema severity in patients with AIS who received early EVT.

20.
Dalton Trans ; 51(25): 9864-9877, 2022 Jun 27.
Artigo em Inglês | MEDLINE | ID: mdl-35713013

RESUMO

Y-SBA-15 was synthesized by doping yttrium (Y) into SBA-15 using a solvent-free solid-state grinding method, and 1-butyl-3-methylimidazolium phosphomolybdic salt ([Bmim]3PMo12O40, abbreviated as [Bmim]PMoO) was also synthesized. [Bmim]PMoO/Y-SBA-15 was prepared and used for oxidative desulfurization (ODS). The physicochemical characteristics of the catalyst have been characterized by FT-IR, XRD, N2 adsorption-desorption, FESEM, TEM, XPS, contact angle testing, EPR, etc. A lipophilic surface is beneficial for making the catalyst well disperse in an oil phase, and a hydrophilic core can help to store aqueous oxidants. Therefore, the amphiphilic catalyst 25[Bmim]PMoO/10Y-SBA-15 exhibited high catalytic activity in dibenzothiophene (DBT) ODS, and sulfur compounds can be removed completely within 40 min under the following conditions: VOil = 10 mL, mcatalyst = 0.1 g, m[Bmim]PMoO : m[Bmim]PMoO/10Y-SBA-15 = 25%, and O/S = 4 (molar ratio). In addition, the concentration of aromatics exerted little effect on the DBT ODS. Sulfur compounds in real diesel might be reduced to 8 µg g-1. The hydroxyl radical ˙OH and superoxide radical ˙O2- play crucial roles in the ODS reaction, and the ODS reaction mechanism was also proposed.


Assuntos
Gasolina , Tiofenos , Ânions , Catálise , Estresse Oxidativo , Polieletrólitos , Dióxido de Silício , Espectroscopia de Infravermelho com Transformada de Fourier , Compostos de Enxofre/química , Tiofenos/química
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