| Effect of the immunoregulatory cytokines on successful pregnancy depends upon the control of graft rejection mechanisms. | |
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MedLine Citation:
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PMID: 17275514 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Successful outcomes in allopregnant women depend upon control of graft rejection mechanisms. An understanding of how the fetus escapes the maternal immune system may be relevant for the prevention of transplant rejection. It has been suggested that the same immunosuppressive cytokines contribute to successful pregnancy and transplantation. Recent reports suggest a role for transforming growth factor beta (TGF-beta) in the generation of T-regulatory lymphocytes. In contrast, production of proinflammatory cytokines accompanying intrauterine infection has been associated with fetal rejection or preterm labor. Interleukin-12 (IL-12) is the unique stimulator for differentiation of T-helper lymphocytes (Th) to Th1 cells. It rapidly induces transcription of Th1 cytokines such as interferon-gamma. This study was performed in 70 pregnant women at 21 to 36 weeks gestation, and in 32 healthy nonpregnant controls. An indirect enzyme-linked immunosorbent assay was used to estimate TGF-beta1, and IL-12 in serum. The results showed that TGF-beta1 levels were higher in all pregnant women compared with the nonpregnant controls. No significant changes in serum levels of IL-12 were observed in pregnant compared with the normal control women. The results suggested that the cytokine milieu of the placenta appeared to play a critical role in the maternal acceptance of the fetus, and that TGF-beta1 may function as a regulatory factor in fetal allograft survival during pregnancy. |
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Authors:
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M Ayatollahi; B Geramizadeh; M Yazdani; N Azarpira |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Transplantation proceedings Volume: 39 ISSN: 0041-1345 ISO Abbreviation: Transplant. Proc. Publication Date: 2007 Jan-Feb |
Date Detail:
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Created Date: 2007-02-05 Completed Date: 2007-04-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0243532 Medline TA: Transplant Proc Country: United States |
Other Details:
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Languages: eng Pagination: 244-5 Citation Subset: IM |
Affiliation:
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Transplant Research Center, Namazi Hospital, Transplant Research Center, Shiraz, Iran. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Cytokines
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therapeutic use* Enzyme-Linked Immunosorbent Assay Female Humans Interleukin-12 / blood* Pregnancy Pregnancy Outcome Reference Values T-Lymphocytes, Regulatory / immunology Transforming Growth Factor beta / blood* |
| Chemical | |
Reg. No./Substance:
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0/Cytokines; 0/Transforming Growth Factor beta; 187348-17-0/Interleukin-12 |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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