Study of Muscle Development in Yak Fetuses
Author Information
Author(s): Nan Guoxiong, Peng Wei, Xu Shangrong, Wang Guowen, Zhang Jun, Jiang Honglin
Primary Institution: College of Animal Husbandry and Veterinary Science, Qinghai University, Xining, China
Hypothesis
This research aims to explore the changes in satellite cells and their associated epigenetic modifications during yak fetal development.
Conclusion
The study identifies key time points for yak fetal skeletal muscle growth and development and shows that DNA methylation and histone modifications in muscle satellite cells are closely related to this process.
Supporting Evidence
- Primary muscle fibers in yaks begin to form at an embryonic length of 21 mm.
- Secondary muscle fibers are essentially formed by 160 mm.
- DNA methylation and histone modifications are closely related to skeletal muscle growth and development during the fetal period.
Takeaway
This study looks at how yak muscles grow before they are born and how certain changes in their cells help them develop properly.
Methodology
The study used morphological and protein co-localization analyses of fetal longissimus dorsi muscle at various developmental stages using histology and immunofluorescence staining methods.
Participant Demographics
Yak fetuses of various lengths collected from Qinghai Haiyan Xiahua Food Co., Ltd.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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