نتایج جستجو برای: heat shock proteins hsp
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Proteins, under conditions of cellular stress, typically tend to unfold and form lethal aggregates leading neurological diseases like Parkinson's Alzheimer's. A clear understanding the that favor dis-aggregation restore cell its healthy state after they have been stressed is therefore important in dealing with these diseases. The heat shock response (HSR) mechanism a signaling network deals und...
The early embryo of Drosophila melanogaster did not survive treatment at 37 degrees C (heat shock) for 25 min. The histological analysis of eggs treated in this way showed that the heat shock caused disintegration of nuclei and of cytoplasmic islands, displacement and swelling of nuclei and blocked mitoses. These effects were not observed in embryos treated after blastoderm formation. After thi...
The book Heat Shock Proteins (HSP) in Cellular Communication and Signaling Volume 26 provides the most comprehensive highlight insight of expression, function therapeutic activity HSP signaling pathways. Using an integrative approach to understanding various HSP-mediated pathways response a variety stressors including hyperthermia, or metabolic changes produced by physical exercise psychologica...
Molecular chaperones are required to maintain the proteome in a folded and functional state. When challenges to intracellular folding occur, the heat shock response is triggered, leading to increased synthesis of a class of inducible chaperones known as heat shock proteins (HSP). Although HSP synthesis is known to undergo a general decline in most cells with aging, the extent of this process va...
Photodynamic therapy (PDT) is an experimental cancer therapy inducing tumor tissue damage via photosensitizer-mediated oxidative cytotoxicity. A previous report indicates that oxidative stress induced by hydrogen peroxide or menadione activates the heat shock transcription factor in mouse cells but does not result in either increased transcription or translation of heat shock proteins (HSPs). O...
The heat shock response is a highly conserved "stress response" mechanism used by cells to protect themselves from potentially damaging insults. It often involves the upregulated expression of chaperone and heat shock proteins (HSPs) to prevent damage and aggregation at the proteome level. Like most cancers, brain tumor cells often overexpress chaperones/HSPs, probably because of the stressful ...
Extracellular stresses induce heat shock response and render cells resistant to lethal stresses. Heat shock response involves induction of heat shock proteins (Hsps). Recently the roles of Hsps in neurodegenerative diseases and cancer are attracting increasing attention and have accelerated the study of heat shock response mechanism. This review focuses on the stress sensing steps, molecules in...
The presence of acetic acid during industrial alcohol fermentation reduces the yield of fermentation by imposing additional stress on the yeast cells. The biology of cellular responses to stress has been a subject of vigorous investigations. Although much has been learned, details of some of these responses remain poorly understood. Members of heat shock chaperone HSP proteins have been linked ...
Value-added intermediates produced by microorganisms during the catabolism of N-heterocycles are potential building blocks for agrochemical synthesis and pharmaceutical production. 6-Hydroxy-3-succinoyl-pyridine (HSP), an intermediate in nicotine degradation, is an important precursor for the synthesis of drugs and compounds with biological activities. In the present study, we show that an engi...
The heat shock proteins (Hsps) that are abundantly expressed in insects are important modulators of insect survival. The expression of different Hsp genes are induced and modulated in insects in response to environmental inputs including abiotic stresses such as heat shock, ultraviolet radiation, chemical pesticides, as well as biotic stresses such as viruses, bacteria, fungi and other insects....
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