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4. METTL3-Mediated m6A RNA Modification Regulates Corneal Injury Repair

Author

Dai, Yarong, primary, Cheng, Maosheng, additional, Zhang, Siyan, additional, Ling, Rongsong, additional, Wen, Jieqi, additional, Cheng, Yifan, additional, Huang, Boxuan, additional, Li, Jinrong, additional, Dai, Caifeng, additional, Mao, Shiqing, additional, Lin, Shuibin, additional, Shen, Huangxuan, additional, and Jiang, Yizhou, additional

Published
2021
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5. METTL3-Mediated m6A RNA Modification Regulates Corneal Injury Repair.

Author

Dai, Yarong, Cheng, Maosheng, Zhang, Siyan, Ling, Rongsong, Wen, Jieqi, Cheng, Yifan, Huang, Boxuan, Li, Jinrong, Dai, Caifeng, Mao, Shiqing, Lin, Shuibin, Shen, Huangxuan, and Jiang, Yizhou

Subjects
CORNEA injuries, RNA modification & restriction, STEM cell factor, LABORATORY mice, STEM cells
Abstract

Limbal stem cells are essential for continuous corneal regeneration and injury repair. METTL3-catalyzed N6-methyladenosine (m6A) mRNA modifications are involved in many biological processes and play a specific role in stem cell regeneration, while the role of m6A modifications in corneal injury repair remains unknown. In this study, we generated a limbal stem cell-specific METTL3 knockout mouse model and studied the role of m6A in repairing corneal injury caused by alkali burn. The results showed that METTL3 knockout in the limbal stem cells promotes the in vivo cell proliferation and migration, leading to the fast repair of corneal injury. In addition, m6A modification profiling identified stem cell regulatory factors AHNAK and DDIT4 as m6A targets. Our study reveals the essential functions of m6A RNA modification in regulating injury repair and provides novel insights for clinical therapy of corneal diseases. [ABSTRACT FROM AUTHOR]

Published
2021
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7. METTL3-Mediated m 6 A RNA Modification Regulates Corneal Injury Repair.

Author

Dai Y, Cheng M, Zhang S, Ling R, Wen J, Cheng Y, Huang B, Li J, Dai C, Mao S, Lin S, Shen H, and Jiang Y

Abstract

Limbal stem cells are essential for continuous corneal regeneration and injury repair. METTL3-catalyzed N6-methyladenosine (m 6 A) mRNA modifications are involved in many biological processes and play a specific role in stem cell regeneration, while the role of m 6 A modifications in corneal injury repair remains unknown. In this study, we generated a limbal stem cell-specific METTL3 knockout mouse model and studied the role of m 6 A in repairing corneal injury caused by alkali burn. The results showed that METTL3 knockout in the limbal stem cells promotes the in vivo cell proliferation and migration, leading to the fast repair of corneal injury. In addition, m 6 A modification profiling identified stem cell regulatory factors AHNAK and DDIT4 as m 6 A targets. Our study reveals the essential functions of m 6 A RNA modification in regulating injury repair and provides novel insights for clinical therapy of corneal diseases., Competing Interests: The authors declare that there is no conflict of interest regarding the publication of this paper., (Copyright © 2021 Yarong Dai et al.)

Published
2021
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