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تعداد نتایج: 384 فیلتر نتایج به سال:
Gueorguiev, Volodia D., Richard J. Zeman, Bhargava Hiremagalur, Ana Menezes, and Esther L. Sabban. Differing temporal roles of Ca21 and cAMP in nicotine-elicited elevation of tyrosine hydroxylase mRNA. Am. J. Physiol. 276 (Cell Physiol. 45): C54–C65, 1999.—The involvement of cAMPand Ca21-mediated pathways in the activation of tyrosine hydroxylase (TH) gene expression by nicotine was examined in...
Fachbereich Chemie der Universität Kaiserslautern, Erwin-Schrödinger-Straße, D-6750 Kaiserslautern Z. Naturforsch. 42b, 195-202 (1987); received August 18/October 17, 1986 8-Azapurines, Allopurinol, Copper(II) Complexes, X-Ray The reaction of 8-azaand 7-deaza-8-aza-purines with Cu : + cations in acid solution has been studied. At a pH value of 2, the 8-azaadenine complex [Cu(H20)4(AAdH)2](N03)2...
OBJECTIVES In order to develop a multiplex RT-PCR assay using the GeXP analyser for the simultaneous detection of four different NA serotypes of H5-subtype AIVs, effective to control and reduce H5 subtype of avian influenza outbreak. DESIGN Six pairs of primers were designed using conserved and specific sequences of the AIV subtypes H5, N1, N2, N6 and N8 in GenBank. Each gene-specific primer ...
The option of vaccinating poultry against avian influenza (AI) as a control tool is gaining greater acceptance by governments and the poultry industry worldwide. One disadvantage about vaccination with killed whole-virus vaccines is the resulting inability to use common serologic diagnostic tests for surveillance to identify infected flocks. There has been considerable effort to develop a relia...
Terry, Christi M., Jennifer A. Clikeman, John R. Hoidal, and Karleen S. Callahan. TNF-a and IL-1a induce heme oxygenase-1 via protein kinase C, Ca21, and phospholipase A2 in endothelial cells. Am. J. Physiol. 276 (Heart Circ. Physiol. 45): H1493–H1501, 1999.—Heme oxygenase-1 (HO-1), an enzyme important in protection against oxidant stress, is induced in human vascular endothelial cells by the c...
The Hough transform, interpreted as the discretization of Radon is a widely used tool in image processing and machine vision. primary way to speed it up employ Brady–Yong algorithm. However, accuracy straight line utilized this algorithm limited. In study, we propose novel called ASD2 that offers fast computation transform for images arbitrary sizes. Our approach adopts scheme similar but incor...
It has been shown previously (Porter et al., Cancer Res., 45: 2050-2057, 1985) that the N1,N8-bis(ethyl) derivative of spermidine has significant antiproliferative activity which appears to derive from its regulatory effects on the polyamine biosynthetic pathway, particularly on ornithine decarboxylase activity. In the present study, N1,N4-bis(ethyl)putrescine (BEP) and N1,N12-bis(ethyl)spermin...
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