Abstract:
:Inflammatory bowel disease (IBD) is a chronic disorder manifested as Crohn's disease (CD) and ulcerative colitis (UC) characterized by intestinal inflammation and involves a dysregulated immune response against commensal microbiota through the activation of CD4 T helper cells. T helper cell differentiation to effector or regulatory phenotypes is controlled by cytokine networks and transcriptional regulators. Distinct polarized T helper cells are able to alter their phenotypes to adapt to diverse and fluctuating physiological environments. T helper cells exhibit intrinsic instability and flexibility to express cytokines of other lineages or transdifferentiate from one T helper cell type to another in response to various perturbations from physiological cytokine milieu as a means of promoting local immunity in response to injury or ensure tissue homeostasis. Furthermore, functional plasticity and diversity of T helper cells are associated with pathogenicity and are critical for immune homeostasis and prevention of autoimmunity. In this review, we provide deeper insights into the combinatorial extrinsic and intrinsic signals that control plasticity and transdifferentiation of T helper cells and also highlight the potential of exploiting the genetic reprogramming plasticity of T helper cells in the treatment of IBD.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Fu SH,Chien MW,Hsu CY,Liu YW,Sytwu HKdoi
10.3390/ijms21093379subject
Has Abstractpub_date
2020-05-11 00:00:00issue
9issn
1422-0067pii
ijms21093379journal_volume
21pub_type
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