Document Detail


Increasing Evidence for and Regulation of a Human Placental Endogenous Digitalis-Like Factor.
MedLine Citation:
PMID:  22344738     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Endogenous digitalis-like factors (EDLFs) appear to be hypertensiogenic and increased in the serum and placenta of women with preeclampsia (PE), a complication of pregnancy. Digibind, an anti-digoxin antibody Fab fragment, reverses in vitro effects of EDLF and in vivo features of PE. We used Digibind in a radioimmunoassay to measure EDLF and compared this to a bio-functional assay of EDLF with good agreement. These methods confirmed that human placenta was a source of EDLF, synthesizing and releasing EDLF into the media of cultured human placental tissue. Ketoconazole, a steroid synthesis inhibitor, and 17-OH progesterone, a possible substrate of steroid synthesis, were shown to inhibit or increase EDLF release respectively, suggesting overlap of synthetic pathways. Abnormalities of PE such as placental hypoxia, increased reactive oxygen species and increased pro-inflammatory cytokines were demonstrated to increase placental EDLF release. These findings strongly support placental production of EDLF with increased release due to features of PE.
Authors:
Jie Ma; M Sean Esplin; C David Adair; Lorrie A Mason; Steven W Graves
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-16
Journal Detail:
Title:  Reproductive sciences (Thousand Oaks, Calif.)     Volume:  -     ISSN:  1933-7205     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-2-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101291249     Medline TA:  Reprod Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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