Different energy metabolite pattern between uterine smooth muscle and striated rectus muscle in term pregnant women

European Journal of Obstetrics, Gynecology, and Reproductive Biology
T SteingrímsdóttirA Waldenström

Abstract

To study the energy metabolite pattern in term pregnant myometrium and to compare it with that of a striated skeletal muscle. Metabolites of carbohydrates, triglycerides and nucleotides were determined in biopsies from myometrium and rectus abdominis muscle from ten healthy term pregnant women before onset of labour. The metabolite concentrations in the two types of muscle were compared by two tailed Student's t-test for paired values and correlations were calculated by Pearsson's correlation test. Comparison of the two muscle types revealed a higher concentration of glucose and a higher lactate/pyruvate ratio in the myometrium but a lower concentration of triglyceride metabolites. Adenosine was found in 36-fold higher concentration in the uterine compared with the rectus muscle and an inverse relationship between adenosine and glucose concentrations was observed in the myometrium. The results indicated that the pregnant uterine smooth muscle utilized glucose as the principal nutritive metabolite rather than lipids and that the anaerobic pathway of the glucose metabolism was more active in the myometrium compared with the striated rectus muscle. Also, it is suggested that glucose has a critical role as the principal fuel for AT...Continue Reading

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Citations

May 30, 1998·European Journal of Obstetrics, Gynecology, and Reproductive Biology·H C ScheepersF Brouns
Jan 23, 2013·Biological Research for Nursing·Rebecca D BenfieldMargaret M Heitkemper
Jan 25, 2005·BJOG : an International Journal of Obstetrics and Gynaecology·H C J ScheepersH H H Kanhai
Aug 11, 2010·Gynecological Endocrinology : the Official Journal of the International Society of Gynecological Endocrinology·Annalisa RizzoRaffaele Luigi Sciorsci
Sep 13, 2016·American Journal of Obstetrics and Gynecology·Ankush MadaanSylvain Chemtob
Jun 22, 2020·Explore : the Journal of Science and Healing·Lena Sagi-Dain, Shlomi Sagi

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