نتایج جستجو برای: p62
تعداد نتایج: 2412 فیلتر نتایج به سال:
Autophagy is a conserved evolutionary process that allows cells to maintain macromolecular synthesis and energy homeostasis during starvation and stressful conditions. We prospectively evaluated the relationship between autophagy and prostatic inflammation in a series of transurethral prostatic resection samples. Inflammatory infiltrates were defined according to the standardized classification...
The p62/E2 protein of Semliki Forest virus (SFV) is a typical transmembrane glycoprotein, with an amino-terminal lumenal domain, a transmembrane (hydrophobic) domain, and a carboxy-terminal cytoplasmic domain (or tail). Our hypothesis has been that the membrane-binding polypeptide region (membrane anchor) of this protein consists of both the transmembrane domain and the adjacent positively char...
Proteotoxicity resulting from accumulation of damaged/unwanted proteins contributes prominently to cellular aging and neurodegeneration. Proteasomal removal of these proteins upon covalent polyubiquitination is highly regulated. Recent reports proposed a role for autophagy in clearance of diffuse ubiquitinated proteins delivered by p62/SQSTM1. Here, we compared the turnover dynamics of endogeno...
Sequestosome 1/p62 is a signal modulator or adaptor protein involved in receptor-mediated signal transduction. Sequestosome 1/p62 is gaining attention as it is involved in several diseases including Parkinson disease, Alzheimer disease, liver and breast cancer, Paget's disease of bone, obesity and insulin resistance. In this review, we will focus on the most recent advances on the physiological...
Impairment of the autophagy-lysosome pathway is implicated with the changes in α-synuclein and mitochondrial dysfunction observed in Parkinson's disease (PD). Damaged mitochondria accumulate PINK1, which then recruits parkin, resulting in ubiquitination of mitochondrial proteins. These can then be bound by the autophagic proteins p62/SQSTM1 and LC3, resulting in degradation of mitochondria by m...
Absence of the p62 gene in mouse brain leads to biochemical and cognitivedeficits that resemble Alzheimer’s disease (AD). In this context, the objective of thisstudy was to examine the age-associated oxidative damage to the p62 promoter in AD.Increased 8-OHdG staining, a marker of oxidative stress, was observed in brain sectionsfrom mice deficient in the p62 gene compared to con...
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...
Autophagy is a lysosomal degradation and recycling process implicated in cancer progression and therapy resistance. We assessed the impact of basal autophagy in colon cancer (CC) in vitro and ex vivo. Functional autophagy was demonstrated in CC cell lines (LoVo; HT-29) showing a dose-dependent increase of the autophagy markers LC3B, p62 and autophagic vesciles upon increasing concentrations of ...
The Phox and Bem1p (PB1) domain constitutes a recently recognized protein-protein interaction domain found in the atypical protein kinase C (aPKC) isoenzymes, lambda/iota- and zeta PKC; members of mitogen-activated protein kinase (MAPK) modules like MEK5, MEKK2, and MEKK3; and in several scaffold proteins involved in cellular signaling. Among the last group, p62 and Par6 (partitioning-defective...
A high-calorie diet (HCD) induces two mutually exacerbating effects contributing to diet-induced obesity (DIO): impaired glucose metabolism and increased food consumption. A link between the metabolic and behavioral manifestations is not well understood yet. We hypothesized that chronic inflammation induced by HCD plays a key role in linking together the two components of diet-induced pathology...
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