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Characterization of the aminopyridine derivative KRC-180 as a JAK2 inhibitor

  • Authors:
    • Kyoung Bin Yoon
    • Sung Yun Cho
    • Su Jin An
    • Kyeong Ryang Park
    • Hyo Jeong Lee
    • Hae Sung Yoon
    • Sun‑Mi Lee
    • Yong‑Chul Kim
    • Sun‑Young Han
  • View Affiliations / Copyright

    Affiliations: College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju, Gyeongnam 52828, Republic of Korea, Bio‑organic Science Division, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea, School of Life Sciences, Gwangju Institute of Science & Technology, Gwangju 61005, Republic of Korea
    Copyright: © Yoon et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 1347-1354
    |
    Published online on: June 8, 2017
       https://doi.org/10.3892/ol.2017.6353
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Abstract

Janus kinase 2 (JAK2) is a non-receptor tyrosine kinase that regulates the signal transducer and activator of transcription (STAT) signaling pathway. Deregulation of JAK2 signaling has previously been observed in hematologic malignancies, including erythroleukemia. In the present study, an aminopyridine derivative compound, KRC‑180, exhibited direct inhibition of the JAK2 protein at the catalytic site, as demonstrated using in vitro kinase activity assays and docking analyses. In addition, KRC‑180 reduced the phosphorylation of STAT3 and STAT5, downstream signaling molecules of JAK2. The growth of HEL92.1.7 erythroleukemia cells harboring a constitutively activated form of JAK2 was suppressed by KRC‑180 treatment; KRC‑180 induced apoptotic cell death and cell cycle arrest. The results of the present study indicate that KRC‑180 is a JAK2 inhibitor with anti-leukemic properties.
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Copy and paste a formatted citation
Spandidos Publications style
Yoon KB, Cho SY, An SJ, Park KR, Lee HJ, Yoon HS, Lee SM, Kim YC and Han SY: Characterization of the aminopyridine derivative KRC-180 as a JAK2 inhibitor. Oncol Lett 14: 1347-1354, 2017.
APA
Yoon, K.B., Cho, S.Y., An, S.J., Park, K.R., Lee, H.J., Yoon, H.S. ... Han, S. (2017). Characterization of the aminopyridine derivative KRC-180 as a JAK2 inhibitor. Oncology Letters, 14, 1347-1354. https://doi.org/10.3892/ol.2017.6353
MLA
Yoon, K. B., Cho, S. Y., An, S. J., Park, K. R., Lee, H. J., Yoon, H. S., Lee, S., Kim, Y., Han, S."Characterization of the aminopyridine derivative KRC-180 as a JAK2 inhibitor". Oncology Letters 14.2 (2017): 1347-1354.
Chicago
Yoon, K. B., Cho, S. Y., An, S. J., Park, K. R., Lee, H. J., Yoon, H. S., Lee, S., Kim, Y., Han, S."Characterization of the aminopyridine derivative KRC-180 as a JAK2 inhibitor". Oncology Letters 14, no. 2 (2017): 1347-1354. https://doi.org/10.3892/ol.2017.6353
Copy and paste a formatted citation
x
Spandidos Publications style
Yoon KB, Cho SY, An SJ, Park KR, Lee HJ, Yoon HS, Lee SM, Kim YC and Han SY: Characterization of the aminopyridine derivative KRC-180 as a JAK2 inhibitor. Oncol Lett 14: 1347-1354, 2017.
APA
Yoon, K.B., Cho, S.Y., An, S.J., Park, K.R., Lee, H.J., Yoon, H.S. ... Han, S. (2017). Characterization of the aminopyridine derivative KRC-180 as a JAK2 inhibitor. Oncology Letters, 14, 1347-1354. https://doi.org/10.3892/ol.2017.6353
MLA
Yoon, K. B., Cho, S. Y., An, S. J., Park, K. R., Lee, H. J., Yoon, H. S., Lee, S., Kim, Y., Han, S."Characterization of the aminopyridine derivative KRC-180 as a JAK2 inhibitor". Oncology Letters 14.2 (2017): 1347-1354.
Chicago
Yoon, K. B., Cho, S. Y., An, S. J., Park, K. R., Lee, H. J., Yoon, H. S., Lee, S., Kim, Y., Han, S."Characterization of the aminopyridine derivative KRC-180 as a JAK2 inhibitor". Oncology Letters 14, no. 2 (2017): 1347-1354. https://doi.org/10.3892/ol.2017.6353
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