IL-4 Function Can Be Transferred to the IL-2 Receptor by Tyrosine Containing Sequences Found in the IL-4 Receptor α Chain

Protein tyrosine phosphatase activity is required for IL-4 induction of IL-4 receptor alpha-chain.

To investigate the role of protein tyrosine phosphatases in IL-4Ralpha-chain expression and signaling, we first established that SHP-1, but not SHP-2, coimmunoprecipitated with anti-IL-4Ralpha chain Abs in extracts prepared from resting lymphocytes. We further observed that the protein tyrosine phosphatase inhibitors Na3VO4 and pervanadate blocked the striking induction of IL-4Ralpha-chain expr...

Identification and Characterization of a Novel IL-4 Receptor α Chain (IL-4Rα) Antagonist to Inhibit IL-4 Signalling.

BACKGROUND/AIMS In recent times, allergy has become a financial, physical and psychological burden to the society as a whole. In allergic cascades, cytokine IL-4 binds to IL-4 receptor (IL-4R), consequently producing allergen-specific IgE antibodies by B cells. In addition, among other functions, IL-4 is also responsible for B and T cell proliferation and differentiation. Hence, characterizatio...

V75R576 IL-4 Receptor Is Associated with Allergic Asthma and Enhanced IL-4 Receptor Function

IL-4 Can Inhibit IL-17 Production in Collagen Induced Arthritis

Background: IL-4 is a cytokine that induces differentiation of naive helper T cells into Th2 cells. Once activated by IL-4, Th2 cells subsequently produce additional IL-4. Objective: To examine the effect of IL-4 on IL-17 production and its effect in Collagen- Induced Arthritis (CIA) mice. Method: In this study, a chicken collagen-II-induced experimental arthritis (CIA) model was used in DBA/1 ...

Investigation of genetic variation of IL-4 receptor rs1801275 in patients with multiple sclerosis in Isfahan

Aim and Background: Multiple sclerosis (MS) is an autoimmune inflammatory disease that attacks myelinated axons in the central nervous system (CNS) resulting in destroying the myelin and the axon. According to high prevalence of disease in Iran, it needs to study different aspects of disease including factors influencing the pathogenesis and the other risk factors. Various type of genetic varia...