نتایج جستجو برای: b5 medium
تعداد نتایج: 239248 فیلتر نتایج به سال:
The ARC (amidoxime reducing component) proteins are molybdenum cofactor (Moco) enzymes named hmARC1 and hmARC2 (human ARCs [hmARCs]) in humans and YcbX in Escherichia coli. They catalyze the reduction of a broad range of N-hydroxylated compounds (NHC) using reducing power supplied by other proteins. Some NHC are prodrugs or toxic compounds. YcbX contains a ferredoxin (Fd) domain and requires th...
Chimpanzee Fabs against the B5 envelope glycoprotein of vaccinia virus were isolated and converted into complete mAbs with human gamma 1 heavy chain constant regions. The two mAbs (8AH8AL and 8AH7AL) displayed high binding affinities to B5 (Kd of 0.2 and 0.7 nM). The mAb 8AH8AL inhibited the spread of vaccinia virus as well as variola virus (the causative agent of smallpox) in vitro, protected ...
Prevention of genital herpes is a global health priority. B5, a recently identified ubiquitous human protein, was proposed as a candidate HSV entry receptor. The current studies explored its role in HSV infection. Viral plaque formation was reduced by approximately 90% in human cells transfected with small interfering RNA targeting B5 or nectin-1, an established entry receptor. However, the mec...
Androgen and estrogen biosynthesis in mammals requires the 17,20-lyase activity of cytochrome P450 17A1 (steroid 17-hydroxylase/17,20-lyase). Maximal 17,20-lyase activity in vitro requires the presence of cytochrome b5 (b5), and rare cases of b5 deficiency in human beings causes isolated 17,20-lyase deficiency. To study the consequences of conditional b5 removal from testicular Leydig cells in ...
B5 fixation achieves superior morphologic detail. However, environmental concerns have led to labor-intensive and costly requirements for disposal of mercury-containing fixatives. We performed a blinded prospective study to find a safe, mercury-free alternative to B5. Morphology was evaluated with 6 fixatives, including B5, in a blinded fashion. Acetic acid-zinc-formalin (AZF) was selected for ...
Menthol and other counterstimuli relieve itch, resulting in an antipruritic state that persists for minutes to hours. However, the neural basis for this effect is unclear, and the underlying neuromodulatory mechanisms are unknown. Previous studies revealed that Bhlhb5(-/-) mice, which lack a specific population of spinal inhibitory interneurons (B5-I neurons), develop pathological itch. Here we...
Two NADH diaphorases, diaphorase I and II, were isolated from normal red cells and congenital methemoglobinemic red cells by CM-cellulose and DE 32 column chromatography. For methemoglobinemic sample, activities of diaphorase I and diaphorase II were 80% and less than 5% of those for the normal red cells, respectively. Only diaphorase II showed cytochrome b5 reductase activity. The cytochrome b...
The influence of polyamines (PAs), putrescine (Put) and spermidine (Spd) on the efficiency gynogenesis in ovule cultures red beet (syn. beetroot) (Beta vulgaris L. vulgaris) cultivar “Czerwona Kula” breeding accessions no. 3/2010 7/2008 was investigated. effect Put process plant regeneration from gynogenetic embryos studied. response to applied PAs strongly dependent genotype. In Kula”, an incr...
parsi zira, bunium persicum (boiss.) b. fedtsch., or black zira, a member of the umbellifera family, is one of the most important medicinal species with high economic value. generally, there is limited information about in vitro culture of bunium persicum. in this study, the effect of various media (ms, b5) and combinations of plant growth regulators, naa and 2,4-d alone or together with kin, o...
The outer envelope of the extracellular form of vaccinia virus contains five virus-encoded proteins, F13, A33, A34, A56, and B5, that, with the exception of A56, are implicated in virus egress or infectivity. A34, a type II transmembrane glycoprotein, is involved in the induction of actin tails, the release of enveloped virus from the surfaces of infected cells, and the disruption of the virus ...
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