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Appalachian mountaintop mining particulate matter induces neoplastic transformation of human bronchial epithelial cells and promotes tumor formation
Luanpitpong S. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Appalachian mountaintop mining particulate matter induces neoplastic transformation of human bronchial epithelial cells and promotes tumor formation
ผู้แต่ง / หัวหน้าโครงการ (EN): Luanpitpong S.
บทคัดย่อ (EN): Epidemiological studies suggest that living near mountaintop coal mining (MTM) activities is one of the contributing factors for high lung cancer incidence. The purpose of this study was to investigate the long-term carcinogenic potential of MTM particulate matter (PMMTM) exposure on human bronchial epithelial cells. Our results show that chronic exposure (3 months) to noncytotoxic, physiological relevant concentration (1 μg/mL) of PMMTM, but not control particle PMCON, induced neoplastic transformation, accelerated cell proliferation, and enhanced cell migration of the exposed lung cells. Xenograft transplantation of the PMMTM-exposed cells in mice caused no apparent tumor formation, but promoted tumor growth of human lung carcinoma H460 cells, suggesting the tumor-promoting effect of PMMTM. Chronic exposure to the main inorganic chemical constituent of PMMTM, molybdenum but not silica, similarly induced cell transformation and tumor promotion, suggesting the contribution of molybdenum, at least in part, in the PMMTM effects. These results provide new evidence for the carcinogenic potential of PMMTM and support further risk assessment and implementation of exposure control for PMMTM. © 2014 American Chemical Society.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-84908583754&doi=10.1021%2fes504263u&partnerID=40&md5=24e6bb65231c677cd0ddc4df03ead13f
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Xenograft Model Antitumor Assays
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Appalachian mountaintop mining particulate matter induces neoplastic transformation of human bronchial epithelial cells and promotes tumor formation
Luanpitpong S.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
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