نتایج جستجو برای: alpha beta gamma derivations

تعداد نتایج: 456952  

Journal: :Physical review 2021

We obtain a type of Ay\'{o}n-Beato-Garc\'{\i}a (ABG) related black hole solutions with five parameters: the mass $m$, charge $q$, and three dimensionless parameters $\alpha$, $\beta$ $\gamma$ associated nonlinear electrodynamics. find that this holes is regular under conditions: $\alpha \gamma \geqslant 6$, $\beta 8$, $\gamma >0$. Here we focus on saturated case: $\alpha={6}/{\gamma}$ ={8}/{\ga...

Journal: :The Journal of biological chemistry 1984
S C Tsai R Adamik Y Kanaho E L Hewlett J Moss

Hormonal inhibition of adenylate cyclase is mediated by a guanyl nucleotide binding protein, Gi, which is composed of alpha, beta, and gamma subunits (Gi alpha, G beta gamma). Pertussis toxin blocks hormonal inhibition by catalyzing the ADP-ribosylation of Gi alpha. With purified Gi subunits, but without nucleotides, it was observed that toxin-catalyzed ADP-ribosylation of Gi alpha was negligib...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1996
M M Huntsman M G Leggio E G Jones

Expression of 10 GABAA receptor subunit genes was examined in monkey thalamus by in situ hybridization using cRNA probes specific for alpha 1, alpha 2, alpha 3, alpha 4, alpha 5, beta 1, beta 2, beta 3, gamma 1, and gamma 2 subunit mRNAs. These displayed unique hybridization on patterns with significant differences from rodents. Alpha 1, beta 2, and gamma 2 transcripts were expressed at high le...

Journal: :The Journal of General Physiology 1995
N F Lim N Dascal C Labarca N Davidson H A Lester

In many tissues, inwardly rectifying K channels are coupled to seven-helix receptors via the Gi/Go family of heterotrimeric G proteins. This activation proceeds at least partially via G beta gamma subunits. These experiments test the hypothesis that G beta gamma subunits activate the channel even if released from other classes of heterotrimeric G proteins. The G protein-gated K channel from rat...

Journal: :Gut 1997
I B Autenrieth N Bucheler E Bohn G Heinze I Horak

BACKGROUND Mice deficient in interleukin-2 (IL-2) develop inflammatory bowel disease resembling ulcerative colitis in humans. Recent studies provided evidence that alpha beta T cells, particularly CD4 T cells, rather than B cells, are involved in the pathogenesis of bowel inflammation of IL-2 deficient mice. AIM To analyse the pattern of expression of cytokine mRNA in intestinal tissue of nor...

Journal: :The Plant cell 2002
Cheol Soo Kim Young-min Woo Ym Amy M Clore Ronald J Burnett Newton P Carneiro Brian A Larkins

Prolamin-containing protein bodies in maize endosperm are composed of four different polypeptides, the alpha-, beta-, gamma-, and delta-zeins. The spatial organization of zeins within the protein body, as well as interactions between them, suggests that the localized synthesis of gamma-zeins could initiate and target protein body formation at specific regions of the rough endoplasmic reticulum....

Journal: :The Journal of Cell Biology 1993
L A Jaffe C J Gallo R H Lee Y K Ho T L Jones

The stimulation of meiotic maturation of starfish oocytes by the hormone 1-methyladenine is mimicked by injection of beta gamma subunits of G-proteins from either retina or brain. Conversely, the hormone response is inhibited by injection of the GDP-bound forms of alpha i1 or alpha t subunits, or by injection of phosducin; all of these proteins should bind free beta gamma. alpha-subunit forms w...

Journal: :The Journal of Experimental Medicine 1991
I Y Chung J G Norris E N Benveniste

There is evidence that the cytokine tumor necrosis factor alpha (TNF-alpha) contributes to the pathogenesis of neurological autoimmune diseases such as multiple sclerosis (MS) and experimental allergic encephalomyelitis (EAE). TNF-alpha exerts damaging effects on oligodendrocytes, the myelin-producing cell of the central nervous system (CNS), and myelin itself. We have recently demonstrated TNF...

Journal: :Discrete and Continuous Dynamical Systems-series B 2023

This paper is concerned with a one-dimensional isentropic compressible Navier-Stokes-Allen-Cahn system density-dependent viscosity, which models the motion of mixture two viscous fluids. The case when pressure $ p(\rho) = \rho^\gamma $, viscosity \nu(\rho, \chi) \rho^\alpha interface thickness \delta(\rho) \rho^\beta and relaxation time function a(\rho, \chi, \chi_y) \rho^\lambda considered, wh...

Journal: :Journal of virology 2002
Valérie Pasquetto Stefan F Wieland Susan L Uprichard Marco Tripodi Francis V Chisari

We have previously shown that alpha/beta interferon (IFN-alpha/beta) and gamma interferon (IFN-gamma) inhibit hepatitis B virus (HBV) replication by eliminating pregenomic RNA containing viral capsids from the hepatocyte. We have also shown that HBV-specific cytotoxic T lymphocytes that induce IFN-gamma and tumor necrosis factor alpha (TNF-alpha) in the liver can inhibit HBV gene expression by ...

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