Pyruvate kinase isoform expression alters nucleotide synthesis to impact cell proliferation

Sophia Y. Lunt, Vinayak Muralidhar, Aaron M. Hosios, William J. Israelsen, Dan Y. Gui, Lauren Newhouse, Martin Ogrodzinski, Vivian Hecht, Kali Xu, Paula N Marín Acevedo, Daniel P. Hollern, Gary Bellinger, Talya L. Dayton, Stefan Christen, Ilaria Elia, Anh T. Dinh, Gregory Stephanopoulos, Scott R. Manalis, Michael B. Yaffe, Eran R. Andrechek & 2 others Sarah Maria Fendt, Matthew G. Vander Heiden

Research output: Contribution to journalArticle

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Abstract

Metabolic regulation influences cell proliferation. The influence of pyruvate kinase isoforms on tumor cells has been extensively studied, but whether PKM2 is required for normal cell proliferation is unknown. We examine how PKM2 deletion affects proliferation and metabolism in nontransformed, nonimmortalized PKM2-expressing primary cells. We find that deletion of PKM2 in primary cells results in PKM1 expression and proliferation arrest. PKM1 expression, rather than PKM2 loss, is responsible for this effect, and proliferation arrest cannot be explained by cell differentiation, senescence, death, changes in gene expression, or prevention of cell growth. Instead, PKM1 expression impairs nucleotide production and the ability to synthesize DNA and progress through the cell cycle. Nucleotide biosynthesis is limiting, as proliferation arrest is characterized by severe thymidine depletion, and supplying exogenous thymine rescues both nucleotide levels and cell proliferation. Thus, PKM1 expression promotes a metabolic state that is unable to support DNA synthesis.

LanguageEnglish (US)
Pages95-107
Number of pages13
JournalMolecular Cell
Volume57
Issue number1
DOIs
StatePublished - Jan 8 2015

Profile

Pyruvate Kinase
Protein Isoforms
Nucleotides
Cell Proliferation
Thymine
Cell Aging
DNA
Thymidine
Cell Differentiation
Cell Cycle
Gene Expression
Growth
Neoplasms

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

Cite this

Lunt, S. Y., Muralidhar, V., Hosios, A. M., Israelsen, W. J., Gui, D. Y., Newhouse, L., ... Vander Heiden, M. G. (2015). Pyruvate kinase isoform expression alters nucleotide synthesis to impact cell proliferation. Molecular Cell, 57(1), 95-107. DOI: 10.1016/j.molcel.2014.10.027

Pyruvate kinase isoform expression alters nucleotide synthesis to impact cell proliferation. / Lunt, Sophia Y.; Muralidhar, Vinayak; Hosios, Aaron M.; Israelsen, William J.; Gui, Dan Y.; Newhouse, Lauren; Ogrodzinski, Martin; Hecht, Vivian; Xu, Kali; Acevedo, Paula N Marín; Hollern, Daniel P.; Bellinger, Gary; Dayton, Talya L.; Christen, Stefan; Elia, Ilaria; Dinh, Anh T.; Stephanopoulos, Gregory; Manalis, Scott R.; Yaffe, Michael B.; Andrechek, Eran R.; Fendt, Sarah Maria; Vander Heiden, Matthew G.

In: Molecular Cell, Vol. 57, No. 1, 08.01.2015, p. 95-107.

Research output: Contribution to journalArticle

Lunt, SY, Muralidhar, V, Hosios, AM, Israelsen, WJ, Gui, DY, Newhouse, L, Ogrodzinski, M, Hecht, V, Xu, K, Acevedo, PNM, Hollern, DP, Bellinger, G, Dayton, TL, Christen, S, Elia, I, Dinh, AT, Stephanopoulos, G, Manalis, SR, Yaffe, MB, Andrechek, ER, Fendt, SM & Vander Heiden, MG 2015, 'Pyruvate kinase isoform expression alters nucleotide synthesis to impact cell proliferation' Molecular Cell, vol 57, no. 1, pp. 95-107. DOI: 10.1016/j.molcel.2014.10.027
Lunt SY, Muralidhar V, Hosios AM, Israelsen WJ, Gui DY, Newhouse L et al. Pyruvate kinase isoform expression alters nucleotide synthesis to impact cell proliferation. Molecular Cell. 2015 Jan 8;57(1):95-107. Available from, DOI: 10.1016/j.molcel.2014.10.027
Lunt, Sophia Y. ; Muralidhar, Vinayak ; Hosios, Aaron M. ; Israelsen, William J. ; Gui, Dan Y. ; Newhouse, Lauren ; Ogrodzinski, Martin ; Hecht, Vivian ; Xu, Kali ; Acevedo, Paula N Marín ; Hollern, Daniel P. ; Bellinger, Gary ; Dayton, Talya L. ; Christen, Stefan ; Elia, Ilaria ; Dinh, Anh T. ; Stephanopoulos, Gregory ; Manalis, Scott R. ; Yaffe, Michael B. ; Andrechek, Eran R. ; Fendt, Sarah Maria ; Vander Heiden, Matthew G./ Pyruvate kinase isoform expression alters nucleotide synthesis to impact cell proliferation. In: Molecular Cell. 2015 ; Vol. 57, No. 1. pp. 95-107
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