T helper cell

(redirected from Th2)
Also found in: Acronyms.

T helper cell

see helper lymphocyte.
References in periodicals archive ?
An overactive Th2 response involving production of cytokines such as interleukin 4, 5 and 13 has been proven to contribute to disease pathology in atopic dermatitis and severe asthma.
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Specific cell populations and immune proteins induced during a Th2 response to these parasites, including macrophages and interleukin (IL)-4 and -13, help to repair the worm-induced damage to the lungs.
It is very important to understand the exact role of these cells in the pathogenesis of DHF to understand the entire mechanism of the disease, mechanism behind switch from Thl to Th2 cytokine response and development of DHF in some patients as compared to simple dengue fever in the others.
Cytokines produced by Th1 cell activation--namely interleukin 2 and interferon-[gamma]--suppress Th2 cells, while the Th2 cytokines (interleukins 2, 5, and 10) exert an anti-inflammatory effect by suppressing Th1.
T-helper (Th) lymphocytes develop into either Th1 or Th2 cells and are classified on the basis of their cytokine production profile.
At birth, an infant's immune system appears to rely primarily on the Th2 system.
A predefined endpoint using the median baseline value of FENO (fractional exhaled nitric oxide), a Th2 associated biomarker, was also evaluated.
Together, these observations revealed that GA developed a greater Th1 immune response than Th2 response.
One of the pivotal balances points is the relationship between the Th1 and Th2 cells.
com)-- Operating out of Orange County California for a number of years TH2 Technologies and their computer services are now available in San Diego as well as Orange County.