نتایج جستجو برای: pc12 tet off cells pto
تعداد نتایج: 1558925 فیلتر نتایج به سال:
BACKGROUND/AIM We evaluated doxycycline-inducible manganese superoxide dismutase (MnSOD(tet/tet)) mice after 9.25 Gy total-body irradiation (TBI) or 20 Gy thoracic irradiation. MATERIALS AND METHODS Six-week-old MnSOD(tet/tet) or control C57BL/6NHsd mice on or off doxycycline (doxy) in food received 9.25 Gy TBI, were sacrificed at day 19 and bone marrow, brain, esophagus, heart, intestine, ki...
Introduction and objectives: Autophagy is a highly regulated catabolic process that in cancer cells maintains metabolism and energy balances, both of which protect malignant cells from stress. Lysosomes are acidic organelles that play a crucial role in degrading intracellular macromolecules and organelles during the final stage of autophagy. Tetrandrine (Tet) is a natural product isolated from ...
Introduction: G-proteins have an important role in the cell signaling of numerous receptors. The situation of G-proteins in health and disease and their critical role in the development of diabetic side effects is an interested scientific field. Here, the changes in the expression of G-protein subunits (Gαi, Gαs and Gβ) were evaluated in hyperglycemic situation of PC12 cells as...
Glucose-stimulated insulin secretion is associated with transients of intracellular Ca(2+) concentration [Ca(2+)](i) in the pancreatic beta-cell. We identified the expression and function of specific small-conductance Ca(2+)-activated K(+) (SK) channel genes in insulin-secreting cells. The presence of mRNA for SK1, -2, -3, and -4 (intermediate-conductance Ca(2+)-activated K(+) 1 [IK1]) channels...
objective(s): hyperglycemia, oxidative stress and apoptosis have key roles in pathogenesis of diabetic neuropathy. there are local renin-angiotensin systems (rass) in different tissues such as neural tissue. local rass are involved in physiological and pathophysiological processes such as inflammation, proliferation and apoptosis. this study aimed to investigate the role of local renin-angioten...
Background and objectives: Nigella sativa seeds possess anti-inflammatory, antioxidant, tranquillizer, chemoprotective and antineoplastic effects. They seeds are important nutritional flavoring agents and natural remedies for many aliments. We have investigated the protective effects of N. sativa seed fatty acids against doxorubicin. Methods: ...
The Pto gene encodes a serine/threonine kinase that confers resistance to bacterial speck disease in tomato. Using the yeast two-hybrid system, we identified a second serine/threonine kinase, Pto-interacting 1 (Pti1), that physically interacts with Pto. Cross-phosphorylation assays revealed that Pto specifically phosphorylates Pti1 and that Pti1 does not phosphorylate Pto. Fen, another serine/t...
Cell damage induced by free radicals has been implicated as causal factor in a wide variety of human diseases such as cancer, neurodegenerative disorders. Scientific recognition of natural antioxidants may be helpful in preventing many diseases. Aqueous Date fruit extract (ADFE)- PC12 cell line. ADFE at concentrations of 0.1-10% containing 0.005% H2O2 and H2O2 at concentrations of 0.01-1% conta...
five common tetracycline resistance genes tet(a), tet(b), tet(m), tet(o) and tet(s) were studied by polymerase chain reaction in 100 bacteria isolated from iranian fish farms. in the antibiogram test most of the bacteria were either intermediately or completely resistant to tetracycline. nine isolates out of 46 aeromonas spp. contained either tet(a/m/s) resistant genes as follows: tet(a) in a. ...
Nasopharyngeal carcinoma (NPC) is an epithelial malignancy of the head and neck and the incidence is higher in Southeast Asia. Tetrandrine (TET) is a bisbenzylisoquinoline alkaloid, a natural product, and exhibits biological activities including action against many human cancer cell lines. However, the molecular mechanism of TET-induced cell apoptosis in human NPC cells is still unclear. In the...
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