Funding for this research was provided by:
National Natural Science Foundation of China (31770106)
the National Basic Research Program (973) of China (2012CB722301)
the Cooperative Innovation Center of Engineering and New Products for Developmental Biology of Hunan Province (20134486)
the Major Research Projects in Hunan Province (2017NK1030)
Text and Data Mining valid from 2019-04-26
Received: 22 September 2018
Accepted: 12 April 2019
First Online: 26 April 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: Ethical approval “All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.” All procedures performed in studies involving animals were in accordance with the ethical standards of the Animal Care Committee of Hunan Normal University at which the studies were conducted.
: Informed consent was obtained from all individual participants included in the study.