Stage-specific functions of leukemia/lymphoma-related factor (LRF) in the transcriptional control of osteoclast development

Kaori Tsuji-Takechi, Takako Negishi-Koga, Eriko Matsumoto, Akiko Kukita, Shigeaki Kato, Takahiro Maeda, Pier Paolo Pandolfi, Keiji Moriyama, Hiroshi Takayanagi

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Cell fate determination is tightly regulated by transcriptional activators and repressors. Leukemia/lymphoma-related factor (LRF; encoded by Zbtb7a), known as a POK (POZ/BTB and Krüppel) family transcriptional repressor, is induced during the development of bone-resorbing osteoclasts, but the physiological significance of LRF in bone metabolism and the molecular mechanisms underlying the transcriptional regulation of osteoclastogenesis by LRF have not been elucidated. Herewe show that LRF negatively regulates osteoclast differentiation by repressing nuclear factor of activated T cells c1 (NFATc1) induction in the early phase of osteoclast development, while positively regulating osteoclast-specific genes by functioning as a coactivator of NFATc1 in the bone resorption phase. The stage-specific distinct functions of LRF were demonstrated in two lines of conditional knockout mice in which LRF was deleted in the early or late phase of osteoclast development. Thus, this study shows that LRF plays stage-specific distinct roles in osteoclast differentiation, exemplifying the delicate transcriptional regulation at work in lineage commitment.

Original languageEnglish
Pages (from-to)2561-2566
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume109
Issue number7
DOIs
Publication statusPublished - Feb 14 2012

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Osteoclasts
Lymphoma
Leukemia
NFATC Transcription Factors
Bone Development
Bone Resorption
Osteogenesis
Knockout Mice
Bone and Bones
Genes

All Science Journal Classification (ASJC) codes

  • General

Cite this

Stage-specific functions of leukemia/lymphoma-related factor (LRF) in the transcriptional control of osteoclast development. / Tsuji-Takechi, Kaori; Negishi-Koga, Takako; Matsumoto, Eriko; Kukita, Akiko; Kato, Shigeaki; Maeda, Takahiro; Pandolfi, Pier Paolo; Moriyama, Keiji; Takayanagi, Hiroshi.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 109, No. 7, 14.02.2012, p. 2561-2566.

Research output: Contribution to journalArticle

Tsuji-Takechi, Kaori ; Negishi-Koga, Takako ; Matsumoto, Eriko ; Kukita, Akiko ; Kato, Shigeaki ; Maeda, Takahiro ; Pandolfi, Pier Paolo ; Moriyama, Keiji ; Takayanagi, Hiroshi. / Stage-specific functions of leukemia/lymphoma-related factor (LRF) in the transcriptional control of osteoclast development. In: Proceedings of the National Academy of Sciences of the United States of America. 2012 ; Vol. 109, No. 7. pp. 2561-2566.
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AU - Kato, Shigeaki

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