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1.
Arch Gynecol Obstet ; 309(5): 1765-1773, 2024 05.
Artículo en Inglés | MEDLINE | ID: mdl-38347252

RESUMEN

OBJECTIVE: To analyze the efficacy of high-intensity focused ultrasound (HIFU) for adenomyosis and postoperative recurrence and its influencing factors. METHODS: Clinical and follow-up data of 308 patients with adenomyosis who were treated with HIFU in Haifu Center, Affiliated Hospital of Chengdu University of Traditional Chinese Medicine from September 2017 to January 2022 were retrospectively analyzed. The recurrence of adenomyosis and the efficacy of HIFU at 6 months after surgery were followed up. To explore factors influencing postoperative prognosis and recurrence, the following variables were analyzed: patients' age, course of disease, gravidity and parity, size of the uterus, duration of HIFU, duration of irradiation, treatment intensity, dysmenorrhea score, time of follow-up, combined treatment of traditional Chinese medicine (TCM), western medicine adjuvant treatment, lesion location and type, and menorrhagia. RESULTS: Among the 308 patients, 238 (77%) were followed up from 6 to 36 months, with an average follow-up time of 15.24 ± 9.97 months. The other 70 (23%) were lost to follow-up. At 6-month after surgery, efficacy rates of dysmenorrhea and menorrhagia management were 86.7% and 89.3%, respectively. Postoperative recurrence rates were 4.8% (1-12 months), 9.0% (12-24 months), and 17.0% (24-36 months) for dysmenorrhea; and 6.3% (1-12 months), 2.4% (12-24 months), and 12.2% (24-36 months) for menorrhagia. Multivariate logistic regression analyses showed that parity (P = 0.043, OR = 1.773, 95% CI 1.018-3.087), uterine size (P = 0.019, OR = 1.004, 95% CI 1.001-1.007), combined treatment of TCM (P = 0.047, OR = 1.846, 95% CI 1.008-3.381), diffuse lesion type (P = 0.013, OR = 0.464, 95% CI 0.254-0.848) and ablation rate (P = 0.015, OR = 0.481, 95%CI 0.267-0.868) were prognostic factors (P < 0.05). Age, course of disease, gravidity, duration of HIFU, duration of irradiation, treatment intensity, preoperative dysmenorrhea score, time of follow-up, western medicine adjuvant therapy, lesion location, and preoperative menstrual volume had no effect on prognosis (P > 0.05). CONCLUSION: HIFU can effectively relieve dysmenorrhea and reduce menstrual volume in patients with adenomyosis. Parity, uterine size, lesion type (diffuse), and ablation rate are risk factors for symptom recurrence after HIFU, while the combination of TCM therapy is a protective factor for relapse. We, therefore, recommend TCM in the adjuvant setting after HIFU according to patient condition.


Asunto(s)
Adenomiosis , Ultrasonido Enfocado de Alta Intensidad de Ablación , Menorragia , Embarazo , Femenino , Humanos , Dismenorrea/terapia , Dismenorrea/cirugía , Menorragia/etiología , Resultado del Tratamiento , Estudios Retrospectivos , Adenomiosis/cirugía , Adenomiosis/patología
2.
J Appl Microbiol ; 134(12)2023 Dec 01.
Artículo en Inglés | MEDLINE | ID: mdl-38086612

RESUMEN

AIMS: This research aimed to investigate the inhibitory effects of Pudilan mouthwash (PDL) on Streptococcus mutans (S. mutans) biofilms and identify its chemical components. METHODS AND RESULTS: The impacts of 100% concentrated PDL on S. mutans biofilm were detected by colony-forming unit (CFU) assays, crystal violet staining, confocal laser scanning microscopy (CLSM), scanning electron microscopy (SEM), and quantitative real-time PCR (qRT‒PCR). The biocompatibility with human gingival fibroblasts (HGFs) was evaluated by Cell-Counting-Kit-8 (CCK-8) assay. And chemical components were identified by UPLC-HRMS. PBS and 0.12% chlorhexidine were used as negative and positive controls, respectively. Results indicate early 8-h S. mutans biofilms are sensitive to PDL. Additionally, it leads to a decrease in bacterial activities and dextran-dependent aggregation in 24-h S. mutans biofilms. PDL significantly downregulates the gene expression of gtfB/C/D and smc. And 114 components are identified. CONCLUSIONS: PDL has an inhibitory effect on S. mutans and favorable biocompatibility. It has potential to be exploited as a novel anti-biofilm agent.


Asunto(s)
Antisépticos Bucales , Streptococcus mutans , Humanos , Antisépticos Bucales/farmacología , Dextranos/metabolismo , Dextranos/farmacología , Clorhexidina/farmacología , Biopelículas
3.
Adv Life Course Res ; 58: 100582, 2023 12.
Artículo en Inglés | MEDLINE | ID: mdl-38054874

RESUMEN

The COVID-19 pandemic is thought to have led to an increase in the percentage of young adults living with their parents, but the relative contributions made by moves into and out of the parental home to this increase are unknown. Also unknown is whether changes in the likelihood of home leaving and returning were concentrated among privileged or disadvantaged youth. This study used data from the Panel Study of Income Dynamics Transition into Adulthood Supplement (2013-2021) and estimated logistic regression models to examine changes in the levels and correlates of moving into (n = 1872) and out of (n = 1852) the parental home before and after the onset of the COVID-19 pandemic in the U.S. Results show that relative to pre-pandemic trends, during the COVID-19 pandemic young adults were more likely to move back to the parental home and less likely to leave it. The increase in the likelihood of returning home was concentrated among young, white college students from advantaged families. The decline in leaving home was most pronounced among white and employed young adults.


Asunto(s)
COVID-19 , Adolescente , Humanos , Adulto Joven , COVID-19/epidemiología , Pandemias , Suplementos Dietéticos , Renta , Modelos Logísticos
4.
J Nanobiotechnology ; 21(1): 482, 2023 Dec 15.
Artículo en Inglés | MEDLINE | ID: mdl-38102658

RESUMEN

Phototherapy, including photodynamic therapy (PDT) and photothermal therapy (PTT), has great promise in the treatment of cancer. However, there are many obstacles that can restrict the therapeutic efficacy of phototherapy. The hypoxic tumor microenvironment can restrict the production of reactive oxygen species (ROS) in PDT. As for PTT, the thermotolerance of cancer cells may lead to ineffective PTT. In this study, IR780 and glycolysis inhibitor lonidamine (LND)-encapsulated liposomes are prepared for photodynamic and photothermal therapy of hepatocellular carcinoma. IR780 can be used as a photosensitizer and photothermal agent for simultaneous PDT and PTT after being irradiated with 808 nm laser. LND can reduce the oxygen consumption of cancer cells by inhibiting glycolysis, which will relieve tumor hypoxia and produce more ROS for PDT. On the other hand, energy supply can be blocked by LND-induced glycolysis inhibition, which will inhibit the production of heat shock proteins (HSPs), reduce the thermotolerance of tumor cells, and finally enhance the therapeutic efficacy of PTT. The enhanced PTT is studied by measuring intracellular HSPs, ATP level, and mitochondrial membrane potential. The antitumor effect of IR780 and LND co-loaded liposomes is extensively investigated by in vitro and in vivo experiments. This research provides an innovative strategy to simultaneously enhance the therapeutic efficacy of PDT and PTT by inhibiting glycolysis, which is promising for future creative approaches to cancer phototherapy.


Asunto(s)
Carcinoma Hepatocelular , Neoplasias Hepáticas , Nanopartículas , Neoplasias , Fotoquimioterapia , Humanos , Carcinoma Hepatocelular/tratamiento farmacológico , Liposomas/uso terapéutico , Terapia Fototérmica , Especies Reactivas de Oxígeno , Neoplasias Hepáticas/tratamiento farmacológico , Fototerapia , Fármacos Fotosensibilizantes/farmacología , Fármacos Fotosensibilizantes/uso terapéutico , Neoplasias/tratamiento farmacológico , Línea Celular Tumoral , Microambiente Tumoral
5.
Environ Sci Pollut Res Int ; 30(58): 122038-122050, 2023 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-37964148

RESUMEN

Phytoestrogens (PEs) may harm liver function. However, studies in pregnant women are limited. Our study was conducted in pregnant women to assess the effect of serum PEs on liver function markers. We conducted a cross-sectional study focusing in the first trimester of pregnancy. A total of 352 pregnant women were enrolled in the study. We used generalized linear model (GLM) to explore the associations between each PE and each marker of liver function. We used Quantile g-computation (Qgcomp) and Bayesian kernel machine regression (BKMR) models to explore the associations between mixed exposure to all PEs and liver function markers. The GLM results showed that equol (EQU), daidzein (DAD), genistein (GEN), enterolactone (ENT), and enterodiol (END) were negatively correlated with albumin (ALB). DAD and GEN were associated with elevated alanine aminotransferase (ALT). DAD, GEN, naringin (NAR), and glycitein (GLY) were related to elevated aspartate aminotransferase (AST). Mixed exposure model results showed that the mixture of PEs was associated with reduced ALB. Our results support the existence of associations between PEs and maternal liver function in the first trimester. Emphasizing the detrimental associations between serum PEs and liver function in pregnant women is essential to ensure maternal liver health during pregnancy.


Asunto(s)
Genisteína , Fitoestrógenos , Humanos , Femenino , Embarazo , Estudios Transversales , Teorema de Bayes , Hígado , China
7.
Environ Sci Technol ; 57(48): 20118-20126, 2023 Dec 05.
Artículo en Inglés | MEDLINE | ID: mdl-37916746

RESUMEN

Layered black phosphorus (LBP) is drawing increasing attention because of its excellent potential in biomedical applications. Properties and bioeffects of LBP depend on its layer number (LN). However, the variation of LN during applications, especially in organisms, is largely unknown. Herein, LBP is found to be exfoliated by human serum albumin (HSA) after the formation of protein coronas. The sorption of HSA on LBP exhibits multiple intermediate equilibrium and size-dependent capacity and is distinguished from traditional multilayer sorption. The loss of LN for LBP increases with the increase of HSA concentrations, e.g., 2, 4, and 6 layers of LBP are exfoliated at 35, 135, and 550 mg/L HSA, respectively. The energy distribution shows that at low HSA concentrations, exfoliation is mainly driven by electrostatic and hydrogen bond interactions. With middle or high HSA concentrations, exfoliation is mainly driven by p-π or hydrophobic interactions, respectively. Layer exfoliation causes the continuous emergence of an unsaturated LBP surface available for adsorbing further HSA, breaking previous sorption saturations. The complete exfoliation of LBP weakens cytotoxicity and promotes internalization to the A-549 cell line compared with pristine or less exfoliated LBP. This finding unveils the exfoliation mechanism of proteins toward LBP and is of benefit to evaluating application performance and biosafety of LBP.


Asunto(s)
Fósforo , Albúmina Sérica Humana , Humanos , Albúmina Sérica Humana/química
8.
Chem Biodivers ; 20(11): e202300980, 2023 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-37831331

RESUMEN

Dendrobium huoshanense is an important Traditional Chinese medicine that thickens the stomach and intestines. Its active ingredient Dendrobium huoshanense polysaccharide (DHP), was revealed to relieve the symptoms of liver injury. However, its mechanism of action remains poorly understood. This study aimed to investigate the mechanism of DHP in protecting the liver. The effects of DHP on lipid levels, liver function, and intestinal barrier function were investigated in mice with high-fat diet-induced liver damage. Changes in the gut flora and their metabolites were analyzed using 16S rRNA sequencing and metabolomics. The results showed that DHP reduced lipid levels, liver injury, and intestinal permeability. DHP altered the intestinal flora structure and increased the relative abundance of Bifidobacterium animalis and Clostridium disporicum. Furthermore, fecal metabolomics revealed that DHP altered fecal metabolites and significantly increased levels of gut-derived metabolites, spermidine, and indole, which have been reported to inhibit liver injury and improve lipid metabolism and the intestinal barrier. Correlation analysis showed that spermidine and indole levels were significantly negatively correlated with liver injury-related parameters and positively correlated with the intestinal species B. animalis enriched by DHP. Overall, this study confirmed that DHP prevented liver injury by regulating intestinal microbiota dysbiosis and fecal metabolites.


Asunto(s)
Enfermedad Hepática Crónica Inducida por Sustancias y Drogas , Dendrobium , Animales , Ratones , Dendrobium/química , Dieta Alta en Grasa/efectos adversos , ARN Ribosómico 16S , Espermidina , Polisacáridos/farmacología , Polisacáridos/química , Indoles , Lípidos
9.
J Pharm Biomed Anal ; 236: 115741, 2023 Nov 30.
Artículo en Inglés | MEDLINE | ID: mdl-37793313

RESUMEN

To better elucidate the chemical constituents and evaluate the quality consistency of Chuanxiong dispensing granules (CDG), qualitative and quantitative analyses were performed in this study. Firstly, a high-performance liquid chromatography-diode array detector (HPLC-DAD) based fingerprint was constructed by 12 batches of CDGs from different manufacturers, in which 16 common peaks were assigned. Then, two of them were directionally isolated for structural elucidation. According to the nuclear magnetic resonance (NMR) and mass spectrometry (MS) spectra, 5,6-dihydrophthalic acid was identified as novel compound, and 8-O-4/8-O-4-dehydrotriferulic acid was firstly discovered in plant belonging to the genus Ligusticum. Secondly, a total of 46 components were detected in CDG using high performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry (HPLC-Q-TOF-MS), and 14 of them were unambiguously identified by comparing with reference standards. Additionally, a HPLC-DAD method was firstly established to quantify 10 characteristic peaks specified in the China National Standard of CDG, and the results revealed that ferulic acid (1.71 mg/g), chlorogenic acid (1.14 mg/g), 5,6-dihydrophthalic acid (1.13 mg/g), and senkyunolide I (1.13 mg/g) are the major components in CDGs. Chemometrics analyses suggested that phenolic acids are more important than phthalides in discrimination of CDGs from different manufacturers.


Asunto(s)
Quimiometría , Medicamentos Herbarios Chinos , Espectrometría de Masas , Medicamentos Herbarios Chinos/química , Cromatografía Líquida de Alta Presión/métodos , Estándares de Referencia
10.
Nanomedicine (Lond) ; 18(14): 987-1002, 2023 06.
Artículo en Inglés | MEDLINE | ID: mdl-37584549

RESUMEN

Aims: We prepared Photinia glabra (PG) aqueous fruit extract, utilized it to synthesize silver nanoparticles (PG-Ag NPs) and evaluated the antibacterial and anticancer activities of the nanoparticles (NPs). Materials & methods: Silver nitrate aqueous solution was reduced to PG-Ag NPs using aqueous PG fruit extract. NP shape, size, composition and functionalization were determined using transmission electron microscopy, x-ray photoelectron spectroscopy, Fourier transform infrared and x-ray diffraction. Results & conclusions: PG-Ag NPs were spherical, approximately 39-77 nm-sized, functionalized surfaces with notable antibacterial activity against both Escherichia coli and Staphylococcus aureus, with an MIC <30 ug/ml and cytotoxicity toward esophageal cancer cells, with IC50 values less than 20 ug/ml. PG-Ag@rt NPs have been shown to be a potent antibacterial and anticancer agent, and their enriched particle surfaces can be conjugated with other compounds for multibiomedical applications.


The present study reports for the first time the preparation of Photinia glabra (PG) aqueous fruit extract and its use for the synthesis of smaller silver particles (PG-Ag NPs) from bulk aqueous silver nitrate solution (AgNO3). The preparation followed the reduction ability of PG fruit extract phytochemical under different preparation conditions: at room temperature (PG-Ag@rt), at 70°C (PG-Ag@70) and in the presence of cerium oxide at 70°C (PG-Ag+CeO2@70). The prepared smaller particles were found using transmission electron microscopy to be spherical in shape with sizes 39, 77 and 44 nm for PG-Ag@rt, PG-Ag@70 and PG-Ag+CeO2@70, respectively. The NPs contained different functional groups on their surfaces due to the capping ability of PG fruit extract components. Among all, PG-Ag@rt NPs showed strongest antibacterial activity against Escherichia coli and Staphylococcus aureus with MIC 7.0 µg/ml and 28.0 µg/ml, respectively, and commendable anticancer activity toward Eca-109 cancer cells with IC50 less than 20 ug/ml.


Asunto(s)
Antibacterianos , Antineoplásicos , Nanopartículas del Metal , Plata , Antibacterianos/farmacología , Frutas/química , Nanopartículas del Metal/química , Photinia/química , Extractos Vegetales/química , Plata/farmacología , Antineoplásicos/farmacología
11.
Int J Mol Sci ; 24(12)2023 Jun 13.
Artículo en Inglés | MEDLINE | ID: mdl-37373207

RESUMEN

Cold stress is a major environmental factor that adversely affects the growth and productivity of tea plants. Upon cold stress, tea plants accumulate multiple metabolites, including ascorbic acid. However, the role of ascorbic acid in the cold stress response of tea plants is not well understood. Here, we report that exogenous ascorbic acid treatment improves the cold tolerance of tea plants. We show that ascorbic acid treatment reduces lipid peroxidation and increases the Fv/Fm of tea plants under cold stress. Transcriptome analysis indicates that ascorbic acid treatment down-regulates the expression of ascorbic acid biosynthesis genes and ROS-scavenging-related genes, while modulating the expression of cell wall remodeling-related genes. Our findings suggest that ascorbic acid treatment negatively regulates the ROS-scavenging system to maintain ROS homeostasis in the cold stress response of tea plants and that ascorbic acid's protective role in minimizing the harmful effects of cold stress on tea plants may occur through cell wall remodeling. Ascorbic acid can be used as a potential agent to increase the cold tolerance of tea plants with no pesticide residual concerns in tea.


Asunto(s)
Ácido Ascórbico , Camellia sinensis , Ácido Ascórbico/farmacología , Ácido Ascórbico/metabolismo , Especies Reactivas de Oxígeno/metabolismo , Camellia sinensis/metabolismo , Perfilación de la Expresión Génica , Té/metabolismo , Pared Celular/metabolismo , Regulación de la Expresión Génica de las Plantas , Proteínas de Plantas/metabolismo , Frío
12.
Int J Nurs Stud ; 144: 104527, 2023 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-37295286

RESUMEN

BACKGROUND: Preterm complications are now the second leading cause of death in children under five years of age. Colostrum is essential to prevent infection and promote maturation in preterm infants. Guidelines recommend that preterm infants be fed colostrum by the oral and pharyngeal routes as early as possible after birth to provide immune protection; however, due to disease and an uncoordinated sucking and swallowing function, it is challenging to provide colostrum through the oropharyngeal route, which limits the immune protection it provides. OBJECTIVE: To update the existing meta-analysis, evaluate the effect of oropharyngeal colostrum administration on related outcomes in preterm infants and explore the optimal frequency and duration of oropharyngeal colostrum administration through subgroup analysis. METHODS: The Cochrane Library, PubMed, Web of Science, ScienceDirect, and Ovid databases were searched for randomized control trials (RCTs) of oropharyngeal colostrum administration for preterm infants. Two researchers screened the literature strictly according to the inclusion and exclusion criteria and evaluated the quality. Primary data and data from the included literature were extracted. Finally, the data were statistically analyzed by the Review Manager 5.3 software. RESULTS: A total of 1736 preterm infants were included in 16 RCTs. The meta-analysis showed that the incidence of necrotizing enterocolitis, late-onset sepsis, feeding intolerance, and death was lower, the time to full enteral feeding was shorter, and the day of recovery to birth weight was earlier in the intervention group (oropharyngeal colostrum administration group) than in the control group, and this difference was statistically significant. Subgroup analysis: Frequency of oropharyngeal colostrum administration: The incidence of necrotizing enterocolitis and late-onset sepsis in the once every 4 h group was lower than that in the control group, and the time to complete enteral feeding was shorter. Duration of oropharyngeal colostrum administration: In the 1-3 days group and 4-7 days group, the time to full enteral feeding in the intervention group was shorter. In the 8-10 days group, the incidence of necrotizing enterocolitis and late-onset sepsis was lower in the intervention group. CONCLUSIONS: Oropharyngeal colostrum administration can reduce the incidence of necrotizing enterocolitis, late-onset sepsis, feeding intolerance and mortality, shorten the time to full enteral feeding, and lead to a faster recovery to birth weight in preterm infants. The appropriate oropharyngeal colostrum administration frequency may be 4 h, and the optimal duration may be 8-10 days. Therefore, it is recommended that clinical medical staff implement oropharyngeal colostrum administration for premature infants based on existing evidence. TWEETABLE ABSTRACT: Oropharyngeal colostrum administration can reduce the incidence of complications in preterm infants and shorten the time to full enteral feeding.


Asunto(s)
Enterocolitis Necrotizante , Sepsis , Lactante , Embarazo , Femenino , Niño , Recién Nacido , Humanos , Preescolar , Calostro , Peso al Nacer , Enterocolitis Necrotizante/prevención & control , Enterocolitis Necrotizante/epidemiología , Enterocolitis Necrotizante/etiología , Recien Nacido Prematuro , Sepsis/complicaciones , Sepsis/prevención & control , Recién Nacido de muy Bajo Peso
13.
Clin Rheumatol ; 42(8): 2209-2222, 2023 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-37162694

RESUMEN

INTRODUCTION: Qin Xi Tong (QXT), produced by water extracts of Caulis Sinomenii, is clinically effective in the therapy of rheumatoid arthritis (RA). It is also a complementary agent for osteoarthritis (OA). This study aimed to screen the candidate targets and identify the potential mechanisms of QXT against RA and OA. METHOD: The active ingredients contained in QXT were queried from the TCMSP database. Their predicted targets were obtained through web-based databases, including TCMSP, BATMAN-TCM, CTD, and PharmMapper. The OA and RA targets were collected from the Genecards database and the GSE55235 dataset. Based on the DAVID database, GO and KEGG enrichment analyses of disease-drug common targets predicted potential signaling pathways for QXT. In addition, core targets were identified by mapping component-target-disease interaction networks with Cytoscape 3.9.1 and STRING. The Swissdock and Pymol tools further validate the predicted results. RESULTS: A total of 161 genes were put forward as potential targets for treating RA and OA. These genes might be involved in joint inflammation, including the IL-17 signaling pathway, MAPK signaling pathway, and TNF signaling pathway. They also regulated the progression of joint injuries, such as apoptosis, Th17 cell differentiation, and osteoclast differentiation. In addition, we identified 12 core targets of QXT. Molecular docking results showed that QXT has a high affinity with these core targets. CONCLUSIONS: This study reveals the mechanism governing the effect of QXT on RA and OA, predicts the direct target, and provides new ideas for clinical treatment. Key Points • Our study reveals the underlying mechanism of QXT in the treatment of RA and OA. • Further research into the effects of compounds in QXT alone would be of interest.


Asunto(s)
Artritis Reumatoide , Medicamentos Herbarios Chinos , Osteoartritis , Humanos , Simulación del Acoplamiento Molecular , Osteoartritis/tratamiento farmacológico , Artritis Reumatoide/tratamiento farmacológico , Apoptosis , Diferenciación Celular , Medicamentos Herbarios Chinos/farmacología , Medicamentos Herbarios Chinos/uso terapéutico , Medicina Tradicional China
14.
Metallomics ; 15(6)2023 06 01.
Artículo en Inglés | MEDLINE | ID: mdl-37147109

RESUMEN

Selenium performs a variety of biological functions in organisms, including antioxidant and anti-inflammatory effects. This study investigated how selenium deficiency affects weaned calves' intestines. According to Inductively coupled plasma mass spectrometry (ICP-MS) analysis of intestinal selenium concentrations in calves, the Se-D group had a significantly lower concentration of selenium. Hematoxylin-eosin staining showed that the intestinal epithelial cells were detached, the goblet cells were lost, and the intestinal villi were fragmented and loosely arranged in the Se-D group, along with hyperemia and inflammatory infiltration. Of the 22 selenoprotein genes, 9 were downregulated in response to selenium deficiency in Reverse transcription-PCR (RT-PCR), whereas 6 genes were upregulated. In the Se-D group, oxidative stress was detected by measuring redox levels in the intestines. Furthermore, TdT-mediated dUTP Nick-End Labeling (TUNEL) staining, RT-PCR, and Western blotting (WB) results indicated that both intrinsic and extrinsic apoptosis pathways are activated in the intestine during selenium deficiency. Selenium deficiency also induced necroptosis in the intestine through upregulation of MLKL, RIPK1, and RIPK3 mRNA levels. In addition, according to hematoxylin-eosin staining and ELISA, selenium-deficient calves had severe inflammation in their intestines. As a result of RT-PCR and WB analyses, we found that selenium deficiency was associated with nuclear factor kappa-B (NF-κB) and mitogen-activated protein kinase (MAPK) pathways. Our study suggested that weaned calves' intestines are affected by selenium deficiency, which causes oxidative stress, inflammation, apoptosis, and necroptosis.


Asunto(s)
Selenio , Animales , Bovinos , Selenio/metabolismo , Necroptosis , Eosina Amarillenta-(YS)/farmacología , Hematoxilina/farmacología , Intestinos , Apoptosis , Estrés Oxidativo , Inflamación/metabolismo
15.
Naunyn Schmiedebergs Arch Pharmacol ; 396(10): 2637-2650, 2023 10.
Artículo en Inglés | MEDLINE | ID: mdl-37097336

RESUMEN

This study is to observe the upregulation effect of astragaloside IV on ghrelin in diabetic cognitive impairment (DCI) rats and to investigate the pathway in prevention and treatment by reducing oxidative stress. The DCI model was induced with streptozotocin (STZ) in conjunction with a high-fat and high-sugar diet and divided into three groups: model, low-dose (40 mg/kg), and high-dose (80 mg/kg) astragaloside IV. After 30 days of gavage, the learning and memory abilities of rats, as well as their body weight and blood glucose levels, were tested using the Morris water maze and then detection of insulin resistance, SOD activity, and serum MDA levels. The whole brain of rats was sampled for hematoxylin-eosin and Nissl staining to observe pathological changes in the hippocampal CA1 region. Immunohistochemistry was used to detect ghrelin expression in the hippocampal CA1 region. A Western blot was used to determine changes in GHS-R1α/AMPK/PGC-1α/UCP2. RT-qPCR was used to determine the levels of ghrelin mRNA. Astragaloside IV reduced nerve damage, increased superoxide dismutase (SOD) activity, decreased MDA levels, and improved insulin resistance. Ghrelin levels and expression increased in serum and hippocampal tissues, and ghrelin mRNA levels increased in rat stomach tissues. According to Western blot, it increased the expression of the ghrelin receptor GHS-R1α and upregulated the mitochondrial function associated-protein AMPK-PGC-1α-UCP2. Astragaloside IV increases ghrelin expression in the brain to reduce oxidative stress and delay diabetes-induced cognitive impairment. It may be related to the promotion of ghrelin mRNA levels.


Asunto(s)
Disfunción Cognitiva , Diabetes Mellitus Tipo 2 , Resistencia a la Insulina , Ratas , Animales , Regulación hacia Arriba , Proteínas Quinasas Activadas por AMP , Diabetes Mellitus Tipo 2/complicaciones , Diabetes Mellitus Tipo 2/tratamiento farmacológico , Ghrelina/farmacología , Estrés Oxidativo , Disfunción Cognitiva/tratamiento farmacológico , Superóxido Dismutasa-1
16.
Cell Rep ; 42(4): 112400, 2023 04 25.
Artículo en Inglés | MEDLINE | ID: mdl-37071536

RESUMEN

Dysregulated amino acid increases the risk for heart failure (HF) via unclear mechanisms. Here, we find that increased plasma tyrosine and phenylalanine levels are associated with HF. Increasing tyrosine or phenylalanine by high-tyrosine or high-phenylalanine chow feeding exacerbates HF phenotypes in transverse aortic constriction and isoproterenol infusion mice models. Knocking down phenylalanine dehydrogenase abolishes the effect of phenylalanine, indicating that phenylalanine functions by converting to tyrosine. Mechanistically, tyrosyl-tRNA synthetase (YARS) binds to ataxia telangiectasia and Rad3-related gene (ATR), catalyzes lysine tyrosylation (K-Tyr) of ATR, and activates the DNA damage response (DDR) in the nucleus. Increased tyrosine inhibits the nuclear localization of YARS, inhibits the ATR-mediated DDR, accumulates DNA damage, and elevates cardiomyocyte apoptosis. Enhancing ATR K-Tyr by overexpressing YARS, restricting tyrosine, or supplementing tyrosinol, a structural analog of tyrosine, promotes YARS nuclear localization and alleviates HF in mice. Our findings implicate facilitating YARS nuclear translocation as a potential preventive and/or interfering measure against HF.


Asunto(s)
Insuficiencia Cardíaca , Tirosina-ARNt Ligasa , Animales , Ratones , Proteínas de la Ataxia Telangiectasia Mutada/metabolismo , Daño del ADN , Lisina/genética , Fenilalanina , Tirosina/metabolismo , Tirosina-ARNt Ligasa/química , Tirosina-ARNt Ligasa/genética , Tirosina-ARNt Ligasa/metabolismo
17.
Front Nutr ; 10: 1014010, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-36866059

RESUMEN

Objective: In this systematic review and meta-analysis, we aimed to clarify the overall effects of functional foods and dietary supplements in non-alcoholic fatty liver disease (NAFLD) patients. Methods: Randomized controlled trials (RCTs) published in PubMed, ISI Web of Science, Cochrane library, and Embase from January 1, 2000 to January 31, 2022 were systematically searched to assess the effects of functional foods and dietary supplements in patients with NAFLD. The primary outcomes were liver-related measures, such as alanine aminotransferase (ALT), aspartate aminotransferase (AST), and hepatic fibrosis and steatosis, while the secondary outcomes included body mass index (BMI), waist circumference (WC), triacylglyceride (TG), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C). These indexes were all continuous variables, so the mean difference (MD) was used for calculating the effect size. Random-effects or fixed-effects models were used to estimate the mean difference (MD). The risk of bias in all studies was assessed with guidance provided in the Cochrane Handbook for Systematic Reviews of Interventions. Results: Twenty-nine articles investigating functional foods and dietary supplements [antioxidants (phytonutrients and coenzyme Q10) = 18, probiotics/symbiotic/prebiotic = 6, fatty acids = 3, vitamin D = 1, and whole grain = 1] met the eligibility criteria. Our results showed that antioxidants could significantly reduce WC (MD: -1.28 cm; 95% CI: -1.58, -0.99, P < 0.05), ALT (MD: -7.65 IU/L; 95% CI: -11.14, -4.16, P < 0.001), AST (MD: -4.26 IU/L; 95% CI: -5.76, -2.76, P < 0.001), and LDL-C (MD: -0.24 mg/dL; 95% CI: -0.46, -0.02, P < 0.05) increased in patients with NAFLD but had no effect on BMI, TG, and TC. Probiotic/symbiotic/prebiotic supplementation could decrease BMI (MD: -0.57 kg/m2; 95% CI: -0.72, -0.42, P < 0.05), ALT (MD: -3.96 IU/L; 95% CI: -5.24, -2.69, P < 0.001), and AST (MD: -2.76; 95% CI: -3.97, -1.56, P < 0.0001) levels but did not have beneficial effects on serum lipid levels compared to the control group. Moreover, the efficacy of fatty acids for treating NAFLD was full of discrepancies. Additionally, vitamin D had no significant effect on BMI, liver transaminase, and serum lipids, while whole grain could reduce ALT and AST but did not affect serum lipid levels. Conclusion: The current study suggests that antioxidant and probiotic/symbiotic/prebiotic supplements may be a promising regimen for NAFLD patients. However, the usage of fatty acids, vitamin D, and whole grain in clinical treatment is uncertain. Further exploration of the efficacy ranks of functional foods and dietary supplements is needed to provide a reliable basis for clinical application. Systematic review registration: https://www.crd.york.ac.uk/prospero, identifier: CRD42022351763.

18.
J Ethnopharmacol ; 307: 116193, 2023 May 10.
Artículo en Inglés | MEDLINE | ID: mdl-36746295

RESUMEN

ETHNOPHARMACOLOGICAL RELEVANCE: Lamiophlomis rotata (Benth.) Kudo (L. rotata), a Tibetan medicinal plant, is used to treat "yellow-water diseases", such as skin disease, jaundice and rheumatism. Our previous study showed that the iridoid glycoside extract of L. rotata (IGLR) is the major constituent of skin wound healing. However, the role of IGLR in the biological process of trauma repair and the probable mechanism of the action remain largely unknown. AIM OF THE STUDY: To investigate the role of IGLR in the biological process of trauma repair and the probable mechanism of the action. MATERIALS AND METHODS: The role of IGLR in wound healing was investigated by overall skin wound in mice with Hematoxylin and Eosin (H&E) and Masson trichrome staining. The anti-inflammatory, angiogenesis-promoting and fibril formation effects of IGLR were visualized in wound skin tissue by immunofluorescence staining, and the proinflammatory factors and growth factors were assayed by real-time polymerase chain reaction (RT-PCR) and enzyme-linked immunosorbent assay (ELISA). Macrophages, dermal fibroblasts, and endothelial cells were cultured to measure the direct/indirect interaction effects of IGLR on the proliferation and migration of cells, and flow cytometry was employed to assess the role of IGLR on macrophage phenotype. Network pharmacology combined with Western blot experiments were conducted to explore possible mechanisms of the actions. RESULTS: IGLR increased the expression of CD206 (M2 markers) through the RAS/p38 MAPK/NF-κB signaling pathway during wound injury in vivo and in vitro. IGLR suppressed the inflammatory cytokines iNOS, IL-1ß and TNF-α in the early stage of wound healing. During the proliferation step of wound repair, IGLR promoted angiogenesis and fibril formation by increasing the expression of VEGF, CD31, TGF-ß and α-SMA in wound tissue, and similar results were verified by RT-PCR and ELISA. In a paracrine mechanism, the extract promoted the proliferation of dermal fibroblasts, and endothelial cells were founded by the conditioned medium (CM). CONCLUSION: IGLR induced M2 macrophage polarization in the early stage of wound healing; in turn, IGLR played a key role in the transition from inflammation to cell proliferation during the biological process of wound healing.


Asunto(s)
Iridoides , FN-kappa B , Animales , Ratones , Células Endoteliales , Glicósidos Iridoides/farmacología , Iridoides/farmacología , Macrófagos , Cicatrización de Heridas , Extractos Vegetales/farmacología , Lamiaceae/química
19.
Arch Oral Biol ; 147: 105610, 2023 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-36603516

RESUMEN

OBJECTIVE: This study aimed to investigate the antibiofilm and anticariogenic effects of honokiol, a traditional Chinese medicine, on the cariogenic bacterium Streptococcus mutans (S. mutans). DESIGN: The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of honokiol on S. mutans UA159 were measured. Then, S. mutans were treated with honokiol at concentrations of 1/2 MIC and 1/4 MIC. Extracellular polysaccharide (EPS) synthesis was assessed with confocal laser scanning microscopy (CLSM) and the anthrone-sulfuric method. Crystal violet staining and scanning electron microscopy (SEM) were used to demonstrate the characteristics and morphology of S. mutans biofilms. Colony-forming unit (CFU) assay was performed to observe the antibacterial effect of honokiol. Lactic acid production of 24-h biofilms was measured by the lactic acid assay. The expression level of caries-related genes (gtfB/C/D, comD/E and ldh) was identified by quantitative real-time PCR (qRTPCR) to explore the relevant mechanism. And the cytotoxic effect on human gingival fibroblasts (HGFs) was evaluated by the Cell Counting Kit-8 (CCK-8) assay. RESULTS: The MIC and MBC of honokiol on S. mutans were 30 µg/mL and 60 µg/mL, respectively. Honokiol inhibited biofilm formation, EPS synthesis and lactic acid production. It also decreased the expression of glucosyltransferases (Gtfs) and quorum sensing (QS) system encoding genes. Moreover, honokiol showed favorable biocompatibility with HGFs. CONCLUSIONS: Honokiol has an inhibitory effect on S. mutans and favorable biocompatibility, with application potential as a novel anticaries agent.


Asunto(s)
Caries Dental , Lignanos , Humanos , Streptococcus mutans , Lignanos/farmacología , Caries Dental/prevención & control , Caries Dental/microbiología , Biopelículas , Ácido Láctico
20.
Zhongguo Zhen Jiu ; 43(1): 73-8, 2023 Jan 01.
Artículo en Chino | MEDLINE | ID: mdl-36633243

RESUMEN

In order to specify the information expression of acupuncture effect and realize the knowledge reuse and sharing, in view of animal experiments and clinical trials, the relevant knowledge of acupuncture effect is allocated. Using seven-step method and Protégé5.5.0 tool, the ontology of acupuncture effect is constructed on the base of ISO/TS 16843-6: 2022. A total of 199 classes are constructed, including 7 categories (acupuncture point, acupuncture therapy, needling method, biological process, genes and gene products, disorder, and anatomic structure), 12 object properties, 1 108 instances and 5 123 axioms. A semantic network with the characteristics of acupuncture and moxibustion is established and the structured expression for the knowledge of acupuncture effects is obtained, which lays the foundation for the innovation and development in the field of acupuncture and moxibustion.


Asunto(s)
Terapia por Acupuntura , Acupuntura , Moxibustión , Acupuntura/educación , Puntos de Acupuntura , Conocimiento
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