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Significant expression of tafazzin (TAZ) protein in colon cancer cells and its downregulation by radiation
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Surgery, Orthopaedics and Cancer Treatment, Department of Oncology. CARE, India.
CARE, India.
Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Surgery, Orthopaedics and Cancer Treatment, Department of Oncology. Department of Gastrointestinal Surgery , West China Hospital, Sichuan University , Chengdu , China.
Univ Kalyani, India; North Eastern Hill Univ, India.
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2018 (English)In: International Journal of Radiation Biology, ISSN 0955-3002, E-ISSN 1362-3095, Vol. 94, no 1, p. 79-87Article in journal (Refereed) Published
Abstract [en]

Aim: To demonstrate the radiation responses of tafazzin (TAZ) protein in colon cancer. Methods: TAZ expression was examined in colon cancer cell lines SW480, KM12C, SW620 and KM12L4a. KM12C and KM12L4a cell lines were used for this experiment with exposure to X- and UV rays (mW/cm(2)). HCT15 cell line was used to test the expression of TAZ by using an anti-TAZ drug, namely 9-fluorenone, which is a Hippo-YAP/TAZ signaling inhibitor. The experimentation also involved exposing HCT15 cell line, to UV radiation. Cell proliferation and apoptosis studies were carried out. TAZ interactions with oncoproteins were screened and the oncoproteins Livin, MAC30 and FXYD-3 were considered for in silico protein-protein interaction studies. Results: TAZ protein was significantly downregulated after 2Gy radiations. 9-Fluorenone inhibited the expression of TAZ. Action of 9-fluorenone along with radiation, decreased the percentage of proliferation and increased apoptosis. Computational studies predicted that TAZ interacts with the oncoproteins Livin, MAC30 and FXYD-3. Conclusions: Our results suggest that TAZ plays a significant role in non-metastatic KM12C cells and is predominantly seen in the colon cancer cells isolated from primary stages of cancer. Thus, use of TAZ protein as a biomarker will be an efficient way to detect tumors in the early stages and treatment may be modulated with radiation before surgery/therapy.

Place, publisher, year, edition, pages
TAYLOR & FRANCIS LTD , 2018. Vol. 94, no 1, p. 79-87
Keywords [en]
TAZ; radiation; colon cancer; oncoprotein
National Category
Cell and Molecular Biology
Identifiers
URN: urn:nbn:se:liu:diva-147185DOI: 10.1080/09553002.2018.1400191ISI: 000427077900011PubMedID: 29099643OAI: oai:DiVA.org:liu-147185DiVA, id: diva2:1199444
Available from: 2018-04-20 Created: 2018-04-20 Last updated: 2019-05-01

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Pathak, SurajitMeng, Wen-JianSun, Xiao-Feng
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Division of Clinical SciencesFaculty of Medicine and Health SciencesDepartment of OncologyDepartment of Clinical and Experimental MedicineDivision of Surgery, Orthopedics and Oncology
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International Journal of Radiation Biology
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