Abstract

The abnormal intrauterine milieu of fetal growth retardation could lead to dyslipidemia in adulthood. Studies have shown that growth hormone (GH) therapy in small for gestational age (SGA) children would be beneficial for metabolic parameters. Here we investigated whether GH treatment introduced at adolescent period in SGA could reverse dyslipidemia during later life. SGA rat model was established by using semi-starvation treatment during the whole pregnancy. SGA or appropriate for gestational age (AGA) offspring were assigned to receive GH or normal saline (NS). Once-daily subcutaneous injections of GH were administered between 21–35 days of age. In adulthood, as compared to AGA, SGA showed: (1) decreased body weight and length; (2) increased serum triglycerides; (3) down-regulated hepatic AMPK-α1 but up-regulated SREBP-1c and ACC-1; (4) a significant reduction in histone H3 acetylation at the promoter of AMPK-α1. Exogenous GH administration led to a restoration of body weight and length and normalized serum triglycerides by reversing expression of AMPK-α1 and its targeted genes SREBP-1c and ACC-1, through increasing H3 acetylation at the promoter of AMPK-α1 in SGA in adult period. These results demonstrated positive effects on lipid metabolism by a short treatment course of GH in SGA adult period.

Details

Title
Growth hormone reverses dyslipidemia in adult offspring after maternal undernutrition
Author
Wei-fen Zhu 1 ; Sheng-jie Tang 2 ; Shen, Zheng 3 ; Ying-min, Wang 4 ; Li, Liang 5 

 Department of Pediatrics, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China; Department of Endocrinology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China 
 Department of Endocrinology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China 
 Department of Central Laboratory, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China 
 Department of Endocrinology, Tongde Hospital of Zhejiang Province, Hangzhou, China 
 Department of Pediatrics, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China 
Pages
1-9
Publication year
2017
Publication date
Jul 2017
Publisher
Nature Publishing Group
e-ISSN
20452322
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
1954582833
Copyright
© 2017. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.