This study examines the impact of Notoginsenoside R1 (NGR1), a compound from Panax notoginseng, on the maturation of porcine oocytes and their embryonic development, focusing on its effects on antioxidant levels and mitochondrial function. This study demonstrates that supplementing in vitro maturation (IVM) medium with NGR1 significantly enhances several biochemical parameters. These include elevated levels of glutathione (GSH), nuclear factor erythrocyte 2-related factor 2 (NRF2) and mRNA expression of catalase (CAT) and GPX.
View Article and Find Full Text PDFWorld J Gastrointest Surg
January 2024
Background: Gastric cancer (GC) is one of the most common cancers worldwide. Morbidity and mortality have increased in recent years, making it an urgent issue to address. Laparoscopic radical surgery (LRS) is a crucial method for treating patients with GC; However, its influence on tumor markers is still under investigation.
View Article and Find Full Text PDFJ Phys Condens Matter
December 2022
We employ the fluctuation-exchange approximation to study the relation of superconducting pairing symmetries and density-wave fluctuations based on the extended triangular Hubbard model upon electron doping and interactions, with an possible application to the layered metal dichalcogenide SnSe. For the case where the interactions between electrons contain only the on-site Hubbard term, the superconducting pairings are mainly mediated by spin fluctuations, and the spin-singlet pairing with the-wave symmetry robustly dominates in the low and moderate doping levels, and a-wave to extended-wave transition is observed as the electron doping reaches = 1. When the near-neighbor site Coulomb interactions are also included, the charge fluctuations are enhanced, and the spin-triplet pairings with the-wave and-wave symmetries can be realized in the high and low doping levels, respectively.
View Article and Find Full Text PDFBiomed Environ Sci
September 2022
Objective: This study evaluated the effect of maximal oxygen pulse (O P ) on patients with chronic obstructive pulmonary disease (COPD) and confirmed the predictive effect on acute exacerbations of COPD (AECOPD).
Methods: This retrospective study included 91 participants who underwent cardiopulmonary exercise testing (CPET), lung function testing, a dyspnea scale assessment, and a 3-year follow-up. The participants were divided into two groups according to the O P value.
Colorectal cancer (CRC) is a common malignant tumor with high morbidity and mortality, and significant heterogeneity among patients. In this study, we aimed to explore the role and mechanism of CLK2 in CRC, a kinase that phosphorylates SR proteins involved in splicing. Based on the analysis from The Cancer Genome Atlas (TCGA) dataset and tissue microarray, we found that CLK2 was upregulated in CRC tissues and associated with a higher tumor stage and poorer overall survival.
View Article and Find Full Text PDFAlzheimer's disease (AD) is the most common neurodegenerative disease and is characterized by progressive memory loss and cognitive dysfunction. Long non-coding RNAs (lncRNAs) have been shown to be among the most promising biomarkers and therapeutic targets of AD. Here, we aimed to investigate whether lncRNA BACE1-AS plays a role in the potential mechanisms of AD.
View Article and Find Full Text PDFMar Pollut Bull
September 2019
Various biogeochemical processes complicate carbon dioxide (CO) behaviour in coastal oceans. Through eight summer surveys, detailed variations in CO mechanisms in the urbanized Jiaozhou Bay, China, were analysed. During the rainless period, respiration and dissolved inorganic carbon input from treated wastewater made the northeastern region a strong CO source, while the western region with cleaner seawater was a weak source because calcium carbonate (CaCO) precipitation exceeded primary production.
View Article and Find Full Text PDFWith rapid development of global wastewater treatment plants (WWTPs), acidification and enhanced CO release in receiving waters caused by high-CO treated wastewater input have raised concerns. Insights into the variations in dissolved inorganic carbon (DIC) species in treated wastewater contribute to understanding the mechanisms of the acidification process. Here, we investigated three large-scale municipal WWTPs that discharged into the coast of Qingdao, China, for variations in effluent DIC species and their control mechanisms.
View Article and Find Full Text PDFA novel acid/base-co-catalyzed formal Baeyer-Villiger oxidation of various ketones using O as the sole oxidant under metal-free conditions has been developed for the first time. The reaction tolerates a wide range of ketones and anilines and provides a simple and efficient method for the construction of various amides and isoquinolin-1-ones from the reactions of ketones with anilines in a single step.
View Article and Find Full Text PDFA thermally induced novel formal [4+2] cycloaddition of cyclobutenones with electron-deficient alkynes under metal-free conditions has been developed for the first time. The reaction can proceed in a highly regioselective manner and provides a straightforward and efficient method for the synthesis of 4-pyridone derivatives from readily available starting materials in a single step.
View Article and Find Full Text PDFIn a previous study, the suppressor of IKBKE 1 expression level was confirmed to be higher in vincristine (VCR)-resistant HCT-8 (HCT-8/V) colon cancer cells than in non-VCR-resistant HCT-8 cells. In the current study, IKBKE 1 expression in VCR-resistant colon cancer cells was investigated further. HCT-8 and HCT-8/V human colon cancer cells were used, and polymerase chain reaction (PCR) primers were designed to amplify the gene.
View Article and Find Full Text PDFThe functions of T helper 17 (Th17) and regulatory T (Treg) cells are tightly orchestrated through independent differentiation pathways that are involved in the secretion of pro- and anti-inflammatory cytokines induced by high-salt dietary. However, the role of imbalanced Th17/Treg ratio implicated in inflammation and target organ damage remains elusive. Here, by flow cytometry analysis, we demonstrated that switching to a high-salt diet resulted in decreased Th17 cells and reciprocally increased Treg cells, leading to a decreased Th17/Treg ratio.
View Article and Find Full Text PDFZhongguo Zhong Yao Za Zhi
August 2015
To determine the optimum process conditions for dry granulating technique of Qibai Pingfei granule, granule excipient type, rolling wheel speed and pressure and feeding speed were studied. Taking shaping rate at a time, moisture absorption and dissolubility as index, the type and amount of granule excipient were determined. In addition, taking shaping rate at a time as index, parameters of rolling wheel speed and pressure and feeding speed were researched through single factor test and response surface methodology.
View Article and Find Full Text PDFZhongguo Shi Yan Xue Ye Xue Za Zhi
April 2015
Objective: To investigate the effect of short hairpin RNA (shRNA) and XAV939, a specific inhibitor for β-catenin, on growth and apoptosis of mantle cell lymphoma(MCL) Jeko-1 cell line.
Methods: β-catenin shRNA eukaryotic expression vector was transfected into Jeko-1 cells, the antiproliferative effect of shRNA on Jeko-1 cells was detected by RT-PCR and Western blot. The proliferation inhibitory rate of Jeko-1 cells treated by different doses of XAV939 was assayed by MTT method; the level of apoptosis of Jeko-1 cells was detected by flow cytometry; the expression levels of apoptosis-related protein BCL-2, BAX, CyclinD1, C-MYC and Caspase-3 in Jeko-1 cells were determined by Western blot.
Zhongguo Shi Yan Xue Ye Xue Za Zhi
April 2015
Objective: This study was purposed to detect the expressions of β-catenin and P-GSK-3 β in Wnt signaling pathway of patients with mantle cell lymphoma(MCL), and investigate its relationship with the pathogenesis of MCL.
Methods: The expression levels of β -catenin protein and P-GSK-3 protein in mantle cell lymphoma and hyperplastic lymphadenitis were detected by using anti-β-catenin, P-GSK-3β polyclonal antibody and S-P staining technique.
Results: The abnormal expression of β-catenin protein(73.
To examine the regulatory effect of histone acetylation on memory related molecules, 34 healthy male SD rats were randomly divided into control and basolateral amygdala (BLA) intracranial positioning operation groups. In the process of conditioned place preference (CPP) training, Trichostafin A (TSA) was administrated by the route of BLA and morphine was injected into enterocoelia with dimethyl sulfoxide or saline as control. Expression levels of H3K14 acetylation and brain-derived neurotrophic factor (BDNF) in BLA were evaluated by Western blotting.
View Article and Find Full Text PDFZhonghua Xue Ye Xue Za Zhi
August 2010
Objective: To study the aberration in histone H3K4 and H3K9 methylation and H3 and H4 acetylation in human acute leukemia (AL) cells.
Methods: The histone H3K4 and H3K9 methylation and H3 and H4 acetylation were detected by Western blot in 34 AL patients and 13 controls (9 non leukemia patients, 4 healthy volunteers).
Results: The level of H3K4 methylation was significantly lower in 19 AL patients than in non leukemia (0.