نتایج جستجو برای: hsp70
تعداد نتایج: 7202 فیلتر نتایج به سال:
We report a pivotal role for IL-5 as an angiogenic activator. IL-5 increased proliferation, migration and colony tube formation in HUVECs associated with the phosphorylation of ERK and AKT/eNOS, and promoted microvessel sprouting from an angiogenesis animal model. The angiogenic effects were confirmed in IL-5-deficient mice and addition of IL-5 antibody. HSP70-1 was identified via expression pr...
Pancreatic carcinoma is a malignant disease that responds poorly to chemotherapy because of its resistance to apoptosis. Heat shock proteins (Hsp) are not only cytoprotective but also interfere with the apoptotic cascade. Here, we investigated the role of Hsp70 in regulating apoptosis in pancreatic cancer cells. Hsp70 expression was increased in pancreatic cancer cells compared with normal panc...
In vitro studies show that hsp70 promotes gene expression for multiple viral families, although there are few reports on the in vivo significance of virus-hsp70 interaction. Previously we showed that hsp70-dependent stimulation of Edmonston measles virus (Ed MeV) transcription caused an increased cytopathic effect and mortality in transgenic hsp70-overexpressing C57BL/6 mice (H-2(b)). The respo...
By binding to a multitude of polypeptide substrates, Hsp70-based molecular chaperone systems perform a range of cellular functions. All J-protein co-chaperones play the essential role, via action of their J-domains, of stimulating the ATPase activity of Hsp70, thereby stabilizing its interaction with substrate. In addition, J-proteins drive the functional diversity of Hsp70 chaperone systems th...
BACKGROUND Oral squamous cell carcinoma (OSCC) is characterized by an aggressive growth pattern, local invasiveness, and spread to cervical lymph nodes. Overall survival rates have not improved, primarily due to locoregional tumor recurrences and distant metastasis. To date, no trustworthy or clinically applicable marker of tumor aggressiveness has been identified for OSCC. Heat shock proteins ...
The dependence of developing spinal motoneuron survival on a soluble factor(s) from their target, muscle tissue is well established both in vivo and in vitro. Considering this apparent dependence, we examined whether a specific component of the stress response mediates motoneuron survival in trophic factor-deprived environments. We demonstrate that, although endogenous expression of heat shock ...
PURPOSE In colorectal cancer (CRC), as in most of other malignancies, heat shock proteins (HSPs) are overexpressed and are associated with apoptosis, cancer cell proliferation, differentiation, invasion, and metastasis. HSP70 is one of the HSPs and has a promising future in cancer studies for both diagnostic and therapeutic applications. In this study, we tried to evaluate the serum levels of H...
BACKGROUND The anti-inflammatory capacity of heat shock proteins (HSP) has been demonstrated in various animal models of inflammatory diseases and in patients. However, the mechanisms underlying this anti-inflammatory capacity are poorly understood. Therefore, the possible protective potential of HSP70 and its mechanisms were studied in proteoglycan (PG) induced arthritis (PGIA), a chronic and ...
ABSTRACT Background and Objective: Cutaneous leishmaniasis is a parasitic disease and a health problem in different parts of Iran, especially two cities of Mashhad and Chabahar. Due to morphological similarities of most Leishmania species and difference in reservoirs of L. major and L. tropica, it is necessary to determine the parasite speci...
Tumor immunotherapy has exploited the ability of heat shock proteins to chaperone precursors of antigenic peptides to antigen-presenting cells and to activate efficiently an immune response against tumor-associated antigens. The most common strategy is based on the purification of heat shock protein-peptide complexes from tumor cell lines or from tumor surgical samples for in vivo administratio...
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