DOI QR코드

DOI QR Code

Zebrafish Klf11b is Required to Maintain Cell Viability by Inhibiting p53-Mediated Apoptosis

  • Kong, Hee Jeong (Biotechnology Research Division, National Institute of Fisheries Science) ;
  • Lee, Jung Jin (Dept. of Chemical and Biological Engineering, Hanbat National University) ;
  • Kim, Ju-Won (Biotechnology Research Division, National Institute of Fisheries Science) ;
  • Kim, Julan (Biotechnology Research Division, National Institute of Fisheries Science) ;
  • Kim, Young-Ok (Biotechnology Research Division, National Institute of Fisheries Science) ;
  • Yeo, Sang-Yeob (Dept. of Chemical and Biological Engineering, Hanbat National University)
  • 투고 : 2022.03.18
  • 심사 : 2022.06.03
  • 발행 : 2022.06.30

초록

Krüppel-like factor 10 (KLF10) regulates various cellular functions, such as proliferation, differentiation and apoptosis, as well as the homeostasis of several types of tissue. In the present study, we attempted a loss-of-function analysis of zebrafish Klf11a and Klf11b, which constitute human KLF10 homologs. Embryos injected with klf11b-morpholino (MO) showed developmental retardation and cell death, whereas klf11a-MO-injected embryos showed normal development. In klf11b-MO-injected embryos, a dramatic increase in the amount of zebrafish p53 mRNA might be the cause of the increase in that of bax. The degree of apoptosis decreased in the klf11b-MO and p53-MO co-injected embryos. These findings imply that KLF10 is a negative regulator of p53-dependent transcription, suggesting that the KLF10/p53 complex may play an important role in apoptosis for maintenance of tissue homeostasis during embryonic development.

키워드

과제정보

We thank the members of Yeo and Kong's Lab. This research was supported by a grant from the National Institute of Fisheries Science (NIFS), Korea (R2022027).

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