نتایج جستجو برای: hsp
تعداد نتایج: 4151 فیلتر نتایج به سال:
In breast cancer, overexpression of the small heat shock protein, HSP-27, is associated with increased anchorage-independent growth, increased invasiveness, and resistance to chemotherapeutic drugs and is associated with poor prognosis and reduced disease-free survival. Therefore, factors that increase the expression of HSP-27 in breast cancer are likely to affect the prognosis and outcome of t...
The synthesis of a major heat shock protein (HSP 70) was measured in HeLa cells incubated at 42.5 degrees C and then transferred to 37 degrees C or 30 degrees C. After 90 min, synthesis of HSP 70 decreased by 54 and 85%, respectively, whereas HSP 70 mRNA was reduced at most by 20%. Therefore, the reduced synthesis of HSP 70 could not be accounted for by mRNA turnover. HSP 70 was associated with...
PURPOSE To study Heat Shock Proteins (HSP) expression in patients subjected to radiotherapy and their potential use as biomarkers for radiation tolerance. An evaluation is also made of whether irradiated volume is critical to the outcome of normal tissue injury using polymorphonuclear neutrophils as biosensors, and whether HSP antibodies (Ab) may be involved in post-radiotherapy disease. MATE...
Two chlamydial proteins (HSP-60 and HSP-70) have marked homology with bacterial and mammalian heat shock proteins. Previous studies have indicated that when inoculated into the eyes of immune animals, a Triton X-100 extract of chlamydia containing HSP-60 induces an ocular delayed-type hypersensitivity reaction. The potential for HSP-70 to induce a similar reaction was tested in six cynomolgus m...
Microbial heat shock proteins (hsp) have been associated with the generation and induction of Th1-type immune responses. We tested the effects of treatment with five different microbial hsp (Mycobacterium leprae, Streptococcus pneumoniae, Helicobacter pylori, bacillus Calmette-Guérin, and Mycobacterium tuberculosis) in a murine model of allergic airway inflammation and airway hyperresponsivenes...
BACKGROUND AND PURPOSE Hereditary spastic paraplegia (HSP) is a genetically heterogeneous group of neurodegenerative disorders that are characterized by progressive spasticity and weakness of the lower limbs. Mutations in the spastin gene (SPAST) are the most common causes of HSP, accounting for 40-67% of autosomal dominant HSP (AD-HSP) and 12-18% of sporadic cases. Mutations in the atlastin-1 ...
The expression of heat shock proteins (Hsp) expression is induced in all cells by exposure to heat and other environmental stress and Hsp can protect cells from damage through further exposure. Hsp are highly conserved and it is likely that they are essential for survival in a potentially harmful environment. Most Hsp are molecular chaperones sensing unfolded proteins and mediating their re-fol...
bacterial and viral triggers are suspected agents in the initial etiology of autoimmune diseases. there are some studies on the etiology of autoimmune disorders which have focused on streptococcal infection and a possible relation with microbial heat shock proteins (hsp) which show significant homology with human heat shock proteins. in addition, some serotypes of streptococci cross-react with ...
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...
BACKGROUND Heat shock proteins (HSPs) are ubiquitous, highly conserved proteins across all the species and play essential roles in maintaining protein stability within the cells under normal conditions, while preventing stress-induced cellular damage. HSPs were also overexpressed in various types of cancer, being associated with tumor cell proliferation, differentiation and apoptosis. The aim o...
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