نتایج جستجو برای: autophagy
تعداد نتایج: 30214 فیلتر نتایج به سال:
results apoptosis induced by pa in ins-1 cells was significantly resolved after liraglutide treatment. simultaneously, autophagy was enhanced with the treatment of pa and liraglutide. conclusions: liraglutide appears to protect ins-1 cells from apoptosis ffa-induced by promoting autophagy. conclusions these findings provide a novel role for glp-1 analogue in preventing or treating with t2d. obj...
Objective(s): Autophagy-related 4B (ATG4B) plays an important role in the process of autophagy induction. However, the molecular events that govern the expression of ATG4B in this process are not well known. Materials and Methods: Human ATG4B 3'-UTR region (1377 nt) containing miR-34a/miR-34c-5p binding site was amplified by PCR. Luciferase assay was used to assess the activity of reporter gene...
ROS (Reactive Oxygen Species) are small, short-lived and highly reactive molecules that can oxidize proteins, lipids and DNA. ROS are formed by incomplete one-electron reduction of oxygen. ROS include oxygen anions, free radicals, including superoxide and hydroxyl radicals, and peroxides such as hydrogen peroxide (H2O2). Autophagy is a catabolic pathway for degradation ...
Background: Mesenchymal stem cells (MSCs) have been recently received increasing attention for cell-based therapy, especially in regenerative medicine. However, the low survival rate of these cells restricts their therapeutic applications. It is hypothesized that autophagy might play an important role in cellular homeostasis and survival. This study aims to investigate the regenerative potentia...
objective(s): glioblastoma multiforme (gbm) is one of the most lethal forms of human cancer and temozolomide (tmz) is currently part of the standard treatment for this disease. combination therapy using natural substances can enhance the anti-cancer activity of tmz. the purpose of this study was to evaluate the effect of tmz in combination with thymoquinone (tq) on human gbm cell line (u87mg). ...
Background: Due to oxidative stress, hypoxia, and serum deprivation, a large percentage of mesenchymal stem cells (MSCs) die in the early stages of transplantation. The present study aimed to address whether induction or inhibition of autophagy would affect the viability of MSCs after exposure to oxidative stress.Methods: MSCs were isolated from umbilical cord tissue using the Ficoll grad...
Understanding the mechanism of tumor resistance is critical for cancer therapy. In this study, we investigated the effect of carcinoembryonic antigen (CEA) overexpression on UV-and 5-fluorouracil (5-FU)-induced apoptosis and autophagy in colorectal cancer cells. We used histone deacetylase (HDAC) inhibitor, NaB and DNA demethylating agent, 5- azacytidine (5-AZA) to induce CEA expression in HT29...
Background: Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease, which primarily affects the joints. During RA development, T cells and other immune cells are recruited to the synovial tissue and promote RA. Autophagy is a process in which intracellular organelles and compounds are degraded. Autophagy as a regulator of cell homeostasis can affect immune cells activation and c...
Background and purpose: Humanin is a 24-aa peptide that is considered as one of the probable players of autophagy. Its inevitable role in the inhibition of apoptosis in cells is revealed, but its probable importance in autophagy is under evaluation. This study evaluated the role of humanin protein in induction of autophagy and efficacy of chemotherapy drug etoposide. Materials and methods: HN3...
Background: Autophagy is a mechanism disassembling the damaged organelles from the cell. This study attempted to examine the expression of several autophagy-related genes in Parkinson’s disease (PD) rat model. Methods: The male Wistar rats were divided into three groups as control, sham, and lesion. In the latter group, the PD rat model was induced by the injection of 6-hydroxydopamine in...
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