نتایج جستجو برای: mtnr 1a
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SNARE proteins, syntaxin-1A (Syn-1A) and SNAP-25, inhibit delayed rectifier K(+) channels, K(v)1.1 and K(v)2.1, in secretory cells. We showed previously that the mutant open conformation of Syn-1A (Syn-1A L165A/E166A) inhibits K(v)2.1 channels more optimally than wild-type Syn-1A. In this report we examined whether Syn-1A in its wild-type and open conformations would exhibit similar differentia...
The transcription factor sterol regulatory element binding protein (SREBP)-1a plays a pivotal role in lipid metabolism. Using the SREBP-1a expressing human hepatoma cell line HepG2 we have shown previously that human SREBP-1a is phosphorylated at serine 117 by ERK-mitogen-activated protein kinases (MAPK). Using a combination of cell biology and protein chemistry approach we show that SREBP-1a i...
The rise in blood pressure during an acute aversive stress has been suggested to involve activation of angiotensin type 1A receptors (AT(1A)Rs) at various sites within the brain, including the rostral ventrolateral medulla. In this study we examine the involvement of AT(1A)Rs associated with a subclass of sympathetic premotor neurons of the rostral ventrolateral medulla, the C1 neurons. The dis...
واکنش تراکمی دو جزیی آلدیید، مالونونیتریل و دی مدون یکی از مهمترین روش کارهای استفاده شده موجود برای سنتز ترکیب های 2-آمینو-7،7- دی متیل -5 -اکسو-4-آریل-5،6،7،8- تترا هیدرو-4h-کرومن-3-کربونیتریل ها (5a-g)است. در تحقیق بهترین شرایط تجربی واکنش بنزآلدیید (1a-g)، مالونونیتریل (2)و دی مدون (4) در حضور zrocl2.8h2o در اتانول بصورت دو مدل واکنش نوناژلی در نظر گرفته شد، به این صورت که ابتدا واکنش بنز...
One of the most fundamental molecular processes in response to hypoxia is activation and stabilization a transcriptional factor called induced 1a (HIF-1a), which responsible for regulation many downstream effector genes. Multiple key biological pathways such as proliferation, energy metabolism, invasion, metastasis are governed by these This article discusses role hypoxia-inducible (HIF-1a) met...
Syntaxin 1A inhibits GABA uptake of an endogenous GABA transporter in neuronal cultures from rat hippocampus and in reconstitution systems expressing the cloned rat brain GABA transporter GAT1. Evidence of interactions between syntaxin 1A and GAT1 comes from three experimental approaches: botulinum toxin cleavage of syntaxin 1A, syntaxin 1A antisense treatments, and coimmunoprecipitation of a c...
The C'1a-fixing properties of purified rabbit IgM anti-benzenearsonate antibody were determined. When tested with sheep erythrocytes to which hapten had been coupled by diazo linkage, the number of C'1a molecules fixed was 21% of the number of IgM antibody molecules bound to the erythrocyte surface. This was not due to loss of C'1a-fixing capacity during the purification procedure. Preparative ...
conclusions in this study, phylogenetic reconstruction of hcv-1 sequences clearly indicated for molecular tracing and ancestral relationships of the hcv genotypes in iran, and showed the likelihood of domestic origin for hcv-1a and various origin for hcv-1b. evidence acquisition the phylogenetic analyses were performed based on the nucleotide sequences of ns5b gene of hcv genotype 1 (hcv-1), wh...
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