Aberrant ICOS+ -T cell differentiation in women with spontaneous preterm labor.
Am J Reprod Immunol
; 76(5): 415-425, 2016 11.
Article
in En
| MEDLINE
| ID: mdl-27650411
ABSTRACT
PROBLEM:
Recent studies revealed appropriate differentiation of recent thymic emigrant (RTE)-regulatory T cells (Tregs) to be crucial for maintaining healthy pregnancy. Currently, the role of responder T cells (Tresps) is not known. METHOD OF STUDY Six-color flow cytometric analysis was used to detect differences in the differentiation of highly proliferative inducible co-stimulatory (ICOS)+ -RTE-Tregs/Tresps and apoptosis-sensitive ICOS- -RTE-Tregs/Tresps into mature naïve (MN)-, CD31+ -memory and CD31- -memory Tregs/Tresps in women with spontaneous preterm labor (sPL) compared to healthy pregnancy.RESULTS:
Healthy pregnancy was characterized by an increased differentiation of ICOS+ - and ICOS- -RTE-Tregs, as well as ICOS+ -RTE-Tresps via CD31+ -memory Tregs/Tresps into CD31- -memory Tregs/Tresps. Women with sPL showed an early interruption of RTE-Treg/Tresp differentiation. Instead, ICOS+ -MN-Tresps and partly ICOS- -MN-Tregs differentiated into CD31- -memory Tregs/Tresps, causing a significant reduction of both ICOS+ -Tregs and ICOS+ -Tresps, but an increase of ICOS- -Tresps within total CD4+ -T-helper cells.CONCLUSION:
Aberrant differentiation of ICOS+ -T cells is associated with sPL.Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Thymus Gland
/
T-Lymphocyte Subsets
/
T-Lymphocytes, Regulatory
/
Obstetric Labor, Premature
Limits:
Adult
/
Female
/
Humans
/
Pregnancy
Language:
En
Journal:
Am J Reprod Immunol
Year:
2016
Document type:
Article
Affiliation country:
Alemania