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Hui Wang, Jing You, Department of Infectious Diseases, the First Affiliated Hospital of Kunmin Medical College, Kunming 650032, Yunnan Province, China
Correspondence to: Jing You, Department of Infectious Diseases, the First Hospital of Kunmin Medical College, 295 Xichang Road, Kunming 650032, Yunnan Province, China. jingyoukm@126.com
Received: November 10, 2006 Revised: November 24, 2006 Accepted: December 8, 2006 Published online: May 8, 2007
T helper cells play an important role in the immune modulation of human bodies. According to the different cytokines secreted by them, T helper cells can be divided into two subgroups, named Th1 and Th2, and they participate in the modulation of cell-mediated and humoral immune response respectively. Th1 and Th2 can affect immune patterns in bodies by co-adjustment. Coming from the common precursor cells (Th0), Th1 and Th2 can commutate under the influence of different cytokines and antigens. In normal physiological condition, the immune function of Th1/Th2 is in dynamic balance. Once the balance is broken, organisms will be in morbid state.
Key Words: T helper cell; Hepatitis B virus; Immunization
Citation: Wang H, You J. Current status and advance on T helper cells. Shijie Huaren Xiaohua Zazhi 2007; 15(13): 1532-1536
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