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Th2 Cytokines Are Associated with Reduced Worm Burdens in a Human Intestinal Helminth Infection

Turner, Joseph D. ; Faulkner, Helen ; Kamgno, Joseph ; Cormont, Frances ; Van Snick, Jacques ; Else, Kathryn J. ; Grencis, Richard K. ; Behnke, Jerzy M. ; Boussinesq, Michel ; Bradley, Janette E.

The Journal of infectious diseases, 2003-12, Vol.188 (11), p.1768-1775 [Periódico revisado por pares]

Chicago, IL: The University of Chicago Press

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Título:
Th2 Cytokines Are Associated with Reduced Worm Burdens in a Human Intestinal Helminth Infection
Autor: Turner, Joseph D. ; Faulkner, Helen ; Kamgno, Joseph ; Cormont, Frances ; Van Snick, Jacques ; Else, Kathryn J. ; Grencis, Richard K. ; Behnke, Jerzy M. ; Boussinesq, Michel ; Bradley, Janette E.
Assuntos: Adolescent ; Adult ; Age Factors ; Age groups ; Age structure ; Antigens ; Ascaris lumbricoides ; Biological and medical sciences ; Child ; Child, Preschool ; Cytokines ; Cytokines - biosynthesis ; Expulsion ; Female ; Fundamental and applied biological sciences. Psychology ; Humans ; Immunity ; Infant ; Infections ; Infectious diseases ; Intestinal Diseases, Parasitic - immunology ; Intestinal Diseases, Parasitic - parasitology ; Male ; Medical sciences ; Microbiology ; Mitogens ; Parasites ; Th2 Cells - immunology ; Worms
É parte de: The Journal of infectious diseases, 2003-12, Vol.188 (11), p.1768-1775
Notas: ark:/67375/HXZ-J4C78X9J-J
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Descrição: Although T helper 2 (Th2) cytokines are known to be critical in the generation of protective immunity against intestinal helminths in mouse models, it is unclear whether they are important in natural immunity against gut helminthiases in humans. Therefore, we investigated cytokine production in ex vivo whole-blood cultures in response to Ascaris lumbricoides antigen and mitogen in a cross-section of a community where the parasite is hyperendemic. The intensity of A. lumbricoides infection was significantly reduced after age 11 years. Levels of cytokines associated with Th2 lymphocytes (interleukin [IL]–4, IL-9, IL-10, and IL-13) demonstrated an inverse relationship with intensity of A. lumbricoides infection only in individuals aged >11 years. Furthermore, the IL-9, IL-10, and IL-13 produced in response to parasite antigen were of primary importance in this relationship. These findings promote a role for Th2-mediated responses in the age-dependent reduction of intestinal helminth infections in humans
Editor: Chicago, IL: The University of Chicago Press
Idioma: Inglês

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Th2 Cytokines Are Associated with Reduced Worm Burdens in a Human Intestinal Helminth Infection

Turner, Joseph D. ; Faulkner, Helen ; Kamgno, Joseph ; Cormont, Frances ; Van Snick, Jacques ; Else, Kathryn J. ; Grencis, Richard K. ; Behnke, Jerzy M. ; Boussinesq, Michel ; Bradley, Janette E.

Chicago, IL: The University of Chicago Press

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