Pathways involved in pony body size development

Autor: Jun Fang, Dong Zhang, Jun Wei Cao, Li Zhang, Chun Xia Liu, Yan Ping Xing, Feng Wang, Hong Yang Xu, Shi Chao Wang, Yu Ling, Wei Wang, Yan Ru Zhang, Huan Min Zhou
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: BMC Genomics, Vol 22, Iss 1, Pp 1-15 (2021)
Druh dokumentu: article
ISSN: 1471-2164
DOI: 10.1186/s12864-020-07323-1
Popis: Abstract Background The mechanism of body growth in mammals is poorly understood. Here, we investigated the regulatory networks involved in body growth through transcriptomic analysis of pituitary and epiphyseal tissues of smaller sized Debao ponies and Mongolian horses at the juvenile and adult stages. Results We found that growth hormone receptor (GHR) was expressed at low levels in long bones, although growth hormone (GH) was highly expressed in Debao ponies compared with Mongolian horses. Moreover, significant downregulated of the GHR pathway components m-RAS and ATF3 was found in juvenile ponies, which slowed the proliferation of bone osteocytes. However, WNT2 and PLCβ2 were obviously upregulated in juvenile Debao ponies, which led to premature mineralization of the bone extracellular matrix. Furthermore, we found that the WNT/Ca 2+ pathway may be responsible for regulating body growth. GHR was demonstrated by q-PCR and Western blot analyses to be expressed at low levels in long bones of Debao ponies. Treatment with WNT antagonistI decreased the expression of WNT pathway components (P
Databáze: Directory of Open Access Journals
Nepřihlášeným uživatelům se plný text nezobrazuje