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2 results on '"IL-10/TGF-β"'

1. Dopamine up-regulates Th17 phenotype from individuals with generalized anxiety disorder

Author

Ferreira, Thais B., Kasahara, Taissa M., Barros, Priscila O., Vieira, Morgana M.M., Bittencourt, Vera Carolina B., Hygino, Joana, Andrade, Regis M., Linhares, Ulisses C., Andrade, Arnaldo F., and Bento, Cleonice A.

Subjects
*DOPAMINE, *PHENOTYPES, *ANXIETY disorders, *DRUG efficacy, *CYTOKINES, *T cells, *CELL proliferation, *CELL culture, *GLUCOCORTICOIDS, *TRANSFORMING growth factors
Abstract

Abstract: Our objective was to evaluate the effect of stress-related dose of dopamine (DA) on the in vitro proliferation and cytokine production in polyclonally-activated T cells from healthy individuals or individuals with generalized anxiety disorder (GAD). Our results demonstrated that cell cultures from GAD group proliferated less following T cell activation, as compared with control group. The addition of DA reduced the proliferative response in cell cultures from healthy but not from GAD individuals. The cytokine profile in GAD individuals revealed Th1 and Th2 deficiencies associated with a dominant Th17 phenotype, which was enhanced by DA. A similar DA-induced immunomodulation was also observed in PPD-activated cell cultures from GAD individuals. Unlike the control, DA-enhanced Th17 cytokine production in GAD individuals was not affected by glucocorticoid. In conclusion, our results show that the T cell functional dysregulation in GAD individuals is significantly amplified by DA. These immune abnormalities can have impact in increasing the susceptibility of individuals with anxiety disorders to infectious diseases and inflammatory/autoimmune disorders. [Copyright &y& Elsevier]

Published
2011
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2. Dopamine up-regulates Th17 phenotype from individuals with generalized anxiety disorder

Author

Taissa M. Kasahara, Arnaldo F.B. Andrade, Ulisses C. Linhares, Cleonice A.M. Bento, Thais B. Ferreira, Vera Carolina B. Bittencourt, Regis M. Andrade, Priscila O. Barros, Joana Hygino, and Morgana M. M. Vieira

Subjects
Male, medicine.medical_treatment, Dopamine, Generalized anxiety disorder, IL-10/TGF-β, Glucocorticoid, Immunology and Allergy, Cells, Cultured, Flow Cytometry, Anxiety Disorders, Up-Regulation, Cytokine, medicine.anatomical_structure, Phenotype, Neurology, Anxiety, Cytokines, Female, medicine.symptom, Psychology, medicine.drug, Adult, medicine.medical_specialty, endocrine system, Adolescent, Cell Survival, T cell, Immunology, Th17/Th1, Clinical Neurology, Enzyme-Linked Immunosorbent Assay, Tritium, Tuberculin, Young Adult, Immune system, Antigen, Antigens, CD, Internal medicine, medicine, Humans, Phytohemagglutinins, Glucocorticoids, Cell Proliferation, medicine.disease, Endocrinology, Th17 Cells, Neurology (clinical), Mitogens, Thymidine
Abstract

Our objective was to evaluate the effect of stress-related dose of dopamine (DA) on the in vitro proliferation and cytokine production in polyclonally-activated T cells from healthy individuals or individuals with generalized anxiety disorder (GAD). Our results demonstrated that cell cultures from GAD group proliferated less following T cell activation, as compared with control group. The addition of DA reduced the proliferative response in cell cultures from healthy but not from GAD individuals. The cytokine profile in GAD individuals revealed Th1 and Th2 deficiencies associated with a dominant Th17 phenotype, which was enhanced by DA. A similar DA-induced immunomodulation was also observed in PPD-activated cell cultures from GAD individuals. Unlike the control, DA-enhanced Th17 cytokine production in GAD individuals was not affected by glucocorticoid. In conclusion, our results show that the T cell functional dysregulation in GAD individuals is significantly amplified by DA. These immune abnormalities can have impact in increasing the susceptibility of individuals with anxiety disorders to infectious diseases and inflammatory/autoimmune disorders.

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