نتایج جستجو برای: human interferon lambda 4 protein
تعداد نتایج: 3526380 فیلتر نتایج به سال:
Background: Interferon beta is one of the most important members of group I interferons and is the main drug for multiple sclerosis treatment. Interferon beta has short half life and this compels patients to make frequent use of medicine. According to its clinical usage there is broad effort to improve translation level and protein production. There are several important factors which effect pr...
By assaying the binding of wild-type Cro to a set of 40 mutant lambda operators in vivo, we have determined that the 14 outermost base pairs of the 17 base pair, consensus lambda operator are critical for Cro binding. Cro protein recognizes 4 base pairs in a lambda operator half-site in different ways than cI repressor. The sequence determinants of Cro binding at these critical positions in viv...
Background In humans, interferon-α treatment for chronic viral hepatitis is a well-recognized clinical model for inflammation-induced depression, but the molecular mechanisms underlying these effects are not clear. Following peripheral administration in rodents, interferon-α induces signal transducer and activator of transcription-1 (STAT1) within the hippocampus and disrupts hippocampal neurog...
Lambda-cyhalothrin (trade name Karate) is a pyrethroid insecticide, widely used to control insect pests in agriculture, public health, and homes and gardens. In the present study, an attempt has been made to study the effect of lambda-cyhalothrin on protein content of different tissues like liver, muscle and brain of the edible fish Etroplus suratensis (Bloch). The E. suratensis fishes were exp...
Interferon lambdas (IFN-λs; IFNL1-4) modulate immunity in the context of infections and autoimmune diseases, through a network of induced genes. IFN-λs act by binding to the heterodimeric IFN-λ receptor (IFNLR), activating a STAT phosphorylation-dependent signaling cascade. Thereby hundreds of IFN-stimulated genes are induced, which modulate various immune functions via complex forward and feed...
Interferon lambda 4 protein can be generated in IFNL4-ΔG carriers but not IFNL4-TT homozygotes. We studied 890 anti-hepatitis C virus (HCV)-positive participants in the Women's Interagency HIV Study. Among blacks (n = 555), HCV was more often cleared for those with genotype IFNL4-TT/TT (32.6%; odds ratio [OR], 3.59; P = 3.3 × 10(-5)) than IFNL4-TT/ΔG (11.3%; OR, 0.95; P = .86) or IFNL4-ΔG/ΔG (1...
To determine the molecular and functional properties of human rheumatoid factors (RF), we established stable hybridomas and Epstein-Barr virus-transformed B cell lines from the synovial fluid or peripheral blood of three patients with rheumatoid arthritis and one patient with systemic lupus erythematosus. 17 cell lines were obtained that produced high-titer immunoglobulin M (IgM) RF that reacte...
Certain retrovirus and retrotransposons display strong biases in the selection of host DNA sites for integration. To probe the possibility that simple tethering of the retroelement integrase protein to a target DNA site is sufficient to direct integration, the activities of a hybrid composed of human immunodeficiency virus 1 integrase and lambda repressor were analyzed. In in vitro reactions co...
Interferons (IFNs) are essential components of the antiviral defense system of vertebrates. In mammals, functional receptors for type III IFN (lambda interferon [IFN-λ]) are found mainly on epithelial cells, and IFN-λ was demonstrated to play a crucial role in limiting viral infections of mucosal surfaces. To determine whether IFN-λ plays a similar role in birds, we produced recombinant chicken...
All human, simian, bovine and avian adenovirus types tested so far and the canine hepatitis virus induce interferon production in chick cells. This finding indicated this property to be characteristic for viruses belonging to the adenovirus group. Trypsin treatment, which had no effect upon the infectivity, diminished or eliminated the interferon-inducing abilities of crude adenoviruses, and th...
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