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  • Title: Potential prognostic biomarkers of cardiovascular disease in fetal macrosomia: the impact of gestational diabetes.
    Author: Briana DD, Germanou K, Boutsikou M, Boutsikou T, Athanasopoulos N, Marmarinos A, Gourgiotis D, Malamitsi-Puchner A.
    Journal: J Matern Fetal Neonatal Med; 2018 Apr; 31(7):895-900. PubMed ID: 28298172.
    Abstract:
    OBJECTIVE: Fetal macrosomia is associated with cardiac hypertrophy and increased cardiovascular risk. Cardiac biomarkers may play diagnostic/prognostic role in cardiovascular disease. We tested whether cardiac biomarkers are differentially expressed in cord blood samples of full-term singleton large-for-gestational-age (LGA), as compared to appropriate-for-gestational-age (AGA) pregnancies. METHODS: Cardiotrophin-1 (CT-1), Titin, pentraxin (PTX-3) and soluble CD36 (sCD36) concentrations were determined in 80 cord blood samples from a) LGA pregnancies due to maternal diabetes (n = 8), overweight/obese (n = 11), excessive weight gain (n = 7), without specific pathology (n = 14), b) AGA normal pregnancies (controls, n = 40). Neonates were classified as LGA or AGA based on customized birth weight (BW) standards. RESULTS: CT-1 and Titin concentrations were higher in LGA than AGA pregnancies (p < .001 and p = .023, respectively). A subgroup analysis (in the LGA group) showed increased CT-1 concentrations only in diabetic pregnancies. PTX-3 and sCD36 concentrations were similar in LGA and AGA fetuses. In the LGA group, PTX-3 concentrations positively correlated with birth-weight (r = .416, p = .008) and respective sCD36 concentrations (r = .443, p = .004). CONCLUSION: Higher Titin concentrations in LGAs possibly represent a candidate molecular mechanism underlying the association between fetal macrosomia and cardiomyocyte/diastolic dysfunction. CT-1 is up-regulated only in LGAs exposed to maternal diabetes. PTX-3 and sCD36 are probably not affected by excessive fetal growth.
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