scholarly journals Feedback regulation by antagonistic epigenetic factors potentially maintains developmental homeostasis inDrosophila

2018 ◽  
Vol 131 (9) ◽  
pp. jcs210179 ◽  
Author(s):  
Devendran A. Sadasivam ◽  
Der-Hwa Huang
Keyword(s):  
Feedback Regulation ◽  
Epigenetic Factors ◽  
Developmental Homeostasis

Epigenetic factors and molecular markers of the risk of early pregnancy losses

GYNECOLOGY ◽  
2019 ◽  
Vol 21 (3) ◽  
pp. 9-16
Author(s):  
Nataly I Frolova ◽  
Tatiana E Belokrinitskaya
Keyword(s):  
Early Pregnancy ◽  
Genetic Factors ◽  
Molecular Genetic ◽  
Pregnancy Complication ◽  
Common Complication ◽  
Epigenetic Factors ◽  
Genetic Determination ◽  
Periconceptional Period ◽  
Combined Impact

Background. Miscarriage is a common complication in early pregnancy. Current studies have shown a higher prevalence of miscarriage, ranging from 10 to 20%. The review is devoted to modern concepts of etiology and pathogenesis of early pregnancy losses. Aim. Assess the role of epigenetic factors and molecular-genetic markers in the pathogenesis and prediction of early pregnancy losses Materials and methods. In order to write this review domestic and foreign publications were searched in Russian and international search systems (PubMed, eLibrary, etc.) for the last 10-15 years. Relevant articles from the peer-reviewed literature and clinical practice guidelines were included. Results. Many recent studies have proved the contribution of various epigenetic factors to the pathogenesis of spontaneous miscarriages, and the molecular-genetic determination such kinds of pregnancy complication has been confirmed. Conclusion. The miscarriage in early gestation is driven by combined impact of epigenetic and molecular-genetic factors, as well as the presence of intergenic interactions. It is may lead to deterioration of physiological functions, and maternal pathologenic pathways could be changed as during her periconceptional period as so during the pregnancy.

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