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Global Identification of HIF-1α Target Genes in Benzene Poisoning Mouse Bone Marrow Cells

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  • Zhaodi Man

    (Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing 210009, China)

  • Xing Meng

    (Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing 210009, China)

  • Fengxia Sun

    (Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing 210009, China)

  • Yunqiu Pu

    (Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing 210009, China)

  • Kai Xu

    (Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing 210009, China)

  • Rongli Sun

    (Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing 210009, China)

  • Juan Zhang

    (Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing 210009, China)

  • Lihong Yin

    (Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing 210009, China)

  • Yuepu Pu

    (Key Laboratory of Environmental Medicine Engineering, Ministry of Education of China, School of Public Health, Southeast University, Nanjing 210009, China)

Abstract

Benzene is a hematopoietic toxicant, and hematopoietic cells in bone marrow (BM) are one of the main targets for its action, especially hematopoietic stem cells (HSCs). Hypoxia-inducible factor-1α (HIF-1α) is associated with the metabolism and physiological functions of HSCs. We previously found that the mechanism of regulation of HIF-1α is involved in benzene-induced hematopoietic toxicity. In this study, chromatin immunoprecipitation sequencing (ChIP-Seq) technologies were used to analyze the genome-wide binding spectrum of HIF-1α in mouse BM cells, and specific HIF-1α target genes and pathways associated with benzene toxicity were screened and validated. By application of the ChIP-Seq technique, we identified target genes HIF-1α directly binds to and regulates. Forty-two differentially down-regulated genes containing the HIF-1α specific binding site hypoxia response element (HRE) were found, of which 25 genes were with biological function. Moreover, the enrichment analysis of signal pathways indicated that these genes were significantly enriched in the Jak-STAT signaling pathway, Natural killer cell mediated cytotoxicity, the Fc epsilon RI signaling pathway, Pyrimidine metabolism, the T cell receptor signaling pathway, and Transcriptional misregulation in cancer. After verification, 11 genes involved in HSC self-renewal, cell cycle, differentiation, and apoptosis pathways were found to be significantly reduced, and may participate in benzene-induced hematotoxicity. Our study provides a new academic clue for the mechanism of benzene hematotoxicity.

Suggested Citation

  • Zhaodi Man & Xing Meng & Fengxia Sun & Yunqiu Pu & Kai Xu & Rongli Sun & Juan Zhang & Lihong Yin & Yuepu Pu, 2018. "Global Identification of HIF-1α Target Genes in Benzene Poisoning Mouse Bone Marrow Cells," IJERPH, MDPI, vol. 15(11), pages 1-14, November.
  • Handle: RePEc:gam:jijerp:v:15:y:2018:i:11:p:2531-:d:182170
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    References listed on IDEAS

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    1. Ergün Sahin & Simona Colla & Marc Liesa & Javid Moslehi & Florian L. Müller & Mira Guo & Marcus Cooper & Darrell Kotton & Attila J. Fabian & Carl Walkey & Richard S. Maser & Giovanni Tonon & Friedrich, 2011. "Telomere dysfunction induces metabolic and mitochondrial compromise," Nature, Nature, vol. 470(7334), pages 359-365, February.
    2. Ergün Sahin & Simona Colla & Marc Liesa & Javid Moslehi & Florian L. Müller & Mira Guo & Marcus Cooper & Darrell Kotton & Attila J. Fabian & Carl Walkey & Richard S. Maser & Giovanni Tonon & Friedrich, 2011. "Erratum: Telomere dysfunction induces metabolic and mitochondrial compromise," Nature, Nature, vol. 475(7355), pages 254-254, July.
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    Cited by:

    1. Yunqiu Pu & Fengxia Sun & Rongli Sun & Zhaodi Man & Shuangbin Ji & Kai Xu & Lihong Yin & Juan Zhang & Yuepu Pu, 2020. "PTP4A3, A Novel Target Gene of HIF-1alpha, Participates in Benzene-Induced Cell Proliferation Inhibition and Apoptosis through PI3K/AKT Pathway," IJERPH, MDPI, vol. 17(3), pages 1-13, February.

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