XLin28 enhances tissue repair by reprogramming cellular metabolism

Ng Shyh-Chang, Hao Zhu, T. Yvanka De Soysa, Gen Shinoda, Marc T. Seligson, Kaloyan M. Tsanov, Liem Nguyen, John M. Asara, Lewis C. Cantley, George Q. Daley

Research output: Contribution to journalArticle

175 Citations (Scopus)

Abstract

Summary Regeneration capacity declines with age, but why juvenile organisms show enhanced tissue repair remains unexplained. Lin28a, a highly conserved RNA-binding protein expressed during embryogenesis, plays roles in development, pluripotency, and metabolism. To determine whether Lin28a might influence tissue repair in adults, we engineered the reactivation of Lin28a expression in several models of tissue injury. Lin28a reactivation improved hair regrowth by promoting anagen in hair follicles and accelerated regrowth of cartilage, bone, and mesenchyme after ear and digit injuries. Lin28a inhibits let-7 microRNA biogenesis; however, let-7 repression was necessary but insufficient to enhance repair. Lin28a bound to and enhanced the translation of mRNAs for several metabolic enzymes, thereby increasing glycolysis and oxidative phosphorylation (OxPhos). Lin28a-mediated enhancement of tissue repair was negated by OxPhos inhibition, whereas a pharmacologically induced increase in OxPhos enhanced repair. Thus, Lin28a enhances tissue repair in some adult tissues by reprogramming cellular bioenergetics. PaperClip

Original languageEnglish (US)
JournalCell
Volume155
Issue number4
DOIs
StatePublished - Nov 7 2013

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Metabolism
Repair
Tissue
Oxidative Phosphorylation
RNA-Binding Proteins
Hair Follicle
Wounds and Injuries
Cartilage
Protein Biosynthesis
Mesoderm
Glycolysis
MicroRNAs
Energy Metabolism
Embryonic Development
Ear
Cellular Reprogramming
Regeneration
Bone
Bone and Bones
Messenger RNA

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Shyh-Chang, N., Zhu, H., Yvanka De Soysa, T., Shinoda, G., Seligson, M. T., Tsanov, K. M., ... Daley, G. Q. (2013). XLin28 enhances tissue repair by reprogramming cellular metabolism. Cell, 155(4). https://doi.org/10.1016/j.cell.2013.09.059

XLin28 enhances tissue repair by reprogramming cellular metabolism. / Shyh-Chang, Ng; Zhu, Hao; Yvanka De Soysa, T.; Shinoda, Gen; Seligson, Marc T.; Tsanov, Kaloyan M.; Nguyen, Liem; Asara, John M.; Cantley, Lewis C.; Daley, George Q.

In: Cell, Vol. 155, No. 4, 07.11.2013.

Research output: Contribution to journalArticle

Shyh-Chang, N, Zhu, H, Yvanka De Soysa, T, Shinoda, G, Seligson, MT, Tsanov, KM, Nguyen, L, Asara, JM, Cantley, LC & Daley, GQ 2013, 'XLin28 enhances tissue repair by reprogramming cellular metabolism', Cell, vol. 155, no. 4. https://doi.org/10.1016/j.cell.2013.09.059
Shyh-Chang N, Zhu H, Yvanka De Soysa T, Shinoda G, Seligson MT, Tsanov KM et al. XLin28 enhances tissue repair by reprogramming cellular metabolism. Cell. 2013 Nov 7;155(4). https://doi.org/10.1016/j.cell.2013.09.059
Shyh-Chang, Ng ; Zhu, Hao ; Yvanka De Soysa, T. ; Shinoda, Gen ; Seligson, Marc T. ; Tsanov, Kaloyan M. ; Nguyen, Liem ; Asara, John M. ; Cantley, Lewis C. ; Daley, George Q. / XLin28 enhances tissue repair by reprogramming cellular metabolism. In: Cell. 2013 ; Vol. 155, No. 4.
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