Th2 and Th1 Responses: Clear and Hidden Sides of Immunity Against Intestinal Helminths - PubMed (original) (raw)

Review

. 2017 Sep;33(9):678-693.

doi: 10.1016/j.pt.2017.05.004. Epub 2017 May 26.

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Review

Th2 and Th1 Responses: Clear and Hidden Sides of Immunity Against Intestinal Helminths

Alba Cortés et al. Trends Parasitol. 2017 Sep.

Abstract

Intestinal helminthiases affect millions of people worldwide, mainly in developing regions, where they cause a significant negative impact on human health and socioeconomic growth of affected populations. However, intestinal helminthiases are still among the most neglected tropical diseases. Protective immunity against intestinal helminths is associated with development of type 2 responses. Nevertheless, in some host-intestinal helminth combinations, local Th1 responses are initiated, inducing chronicity. The usage of helminth-mouse models is useful for elucidating the mechanisms behind the initiation of each type of response. Herein, the current knowledge on these topics is reviewed, paying particular attention to the earliest events of the immune cascade which eventually lead to either susceptibility or resistance to infection.

Keywords: Intestinal helminths; Th1/Th2; resistance; susceptibility.

Copyright © 2017 Elsevier Ltd. All rights reserved.

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