Document Detail


Elevated fetal adipsin/acylation-stimulating protein (ASP) in obese pregnancy: novel placental secretion via Hofbauer cells.
MedLine Citation:
PMID:  23956345     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
CONTEXT AND OBJECTIVE: Obesity in pregnancy is associated with increased risks of obesity in the offspring. We investigated the relationship between obesity in pregnancy and circulating maternal and fetal levels of adipose tissue-derived factors adipsin and acylation stimulating protein (ASP) in lean and obese mothers.
DESIGN: Paired peripheral and cord blood samples were taken. Paired fat and placenta tissue were taken for explant culture. Media were assayed for secreted adipsin and ASP. Clinical parameters assayed included fasting insulin, glucose, and adipsin.
SETTING: The study was conducted at a university hospital maternity unit.
PATIENTS: Patients included 35 lean [body mass index (BMI) 19-25 kg/m(2), mean age 32 years and 39 obese (BMI) > 30 kg/m(2), mean age 32.49 years] pregnant Caucasian women, delivered by cesarean section at term.
MAIN OUTCOME MEASURE: Identification of placental macrophages [Hofbauer cells (HBCs)], as a source of adipsin and ASP was determined.
RESULTS: HBCs secreted both adipsin and ASP. Cord levels of adipsin (1663.78 ± 52.76 pg/mL) and ASP (354.48 ± 17.17 ng/mL) were significantly elevated in the offspring of obese mothers compared with their lean controls [1354.66 ± 33.87 pg/mL and 302.63 ± 14.98 ng/mL, respectively (P < .05 for both)]. Placentae from obese mothers released significantly more adipsin and ASP than placentae from lean mothers [546.0 ± 44 pg/mL · g vs 284.56 ± 43 pg/mL · g and 5485.75 ± 163.32 ng/mL · g vs 2399.16 ± 181.83 ng/mL · g, respectively (P < .05 for both)]. Circulating fetal adipsin and ASP positively correlated with maternal BMI (r = 0.611, P < .0001, and r = 0.391, P < .05, respectively). Fetal adipsin correlated positively with maternal (r = 0.482, P < .01) and fetal homeostasis model assessment of insulin resistance (r = 0.465, P < .01).
CONCLUSIONS: We demonstrate novel secretion of adipsin and ASP by placental HBCs.
Authors:
K Sivakumar; M F Bari; A Adaikalakoteswari; S Guller; M O Weickert; H S Randeva; D K Grammatopoulos; C C Bastie; M Vatish
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2013-08-16
Journal Detail:
Title:  The Journal of clinical endocrinology and metabolism     Volume:  98     ISSN:  1945-7197     ISO Abbreviation:  J. Clin. Endocrinol. Metab.     Publication Date:  2013 Oct 
Date Detail:
Created Date:  2013-10-07     Completed Date:  2013-12-10     Revised Date:  2014-10-09    
Medline Journal Info:
Nlm Unique ID:  0375362     Medline TA:  J Clin Endocrinol Metab     Country:  United States    
Other Details:
Languages:  eng     Pagination:  4113-22     Citation Subset:  AIM; IM    
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MeSH Terms
Descriptor/Qualifier:
Adipose Tissue / metabolism
Adult
Body Composition
Body Mass Index
Complement Factor D / metabolism*
Female
Fetal Blood / metabolism*
Humans
Intercellular Signaling Peptides and Proteins / blood,  metabolism*
Macrophages / metabolism*
Obesity / blood,  metabolism*
Placenta / metabolism*
Pregnancy
Grant Support
ID/Acronym/Agency:
DK81412/DK/NIDDK NIH HHS; R01 DK081412/DK/NIDDK NIH HHS
Chemical
Reg. No./Substance:
0/Intercellular Signaling Peptides and Proteins; 0/acylation stimulating protein, human; EC 3.4.21.46/Complement Factor D
Comments/Corrections

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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