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The Relationship of Immunoexpression of Ki-67 and Hsp70 with Clinical and Morphological Parameters and Prognosis of Papillary Thyroid Cancer

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We studied the correlations of the expression of Ki-67 proliferation marker and localization of heat shock protein Hsp70 in tumor cells of papillary thyroid cancer with some clinical and morphological parameters and a 10-year survival prognosis. High variability of the proliferative activity (by Ki-67 index) of tumor cells was revealed. It was found that Hsp70 protein has different localization in tumor cells: cytoplasmic, nuclear, nucleolar, and mixed. Nuclear translocation of the Hsp70 protein correlated with the stage of the process and the prognosis of the disease, but did not correlate with sex, tumor size, capsule invasion, and lymph node metastasis. Ki-67 index of tumor cells correlated with sex, stage of the process, size of tumor formation and prognosis, but did not correlated with age, invasion into the capsule and metastasis to the lymph nodes. Depending on the variants of Hsp70 and Ki-67 co-expression, three molecular types of papillary thyroid cancer can be distinguished: favorable, intermediate, and poor prognosis.

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Authors and Affiliations

  1. Altai Regional Oncology Center, Barnaul, Russia

    A. M. Avdalyan, A. A. Ivanov & I. V. Vikhlyanov

  2. Institute of Molecular Pathology and Pathomorphology, Federal Research Center for Fundamental and Translational Medicine, Novosibirsk, Russia

    A. A. Ivanov, E. L. Lushnikova & O. P. Molodykh

Authors
  1. A. M. Avdalyan
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  2. A. A. Ivanov
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  3. E. L. Lushnikova
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  4. O. P. Molodykh
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  5. I. V. Vikhlyanov
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Correspondence to A. M. Avdalyan.

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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 168, No. 11, pp. 638-644, November, 2019

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Avdalyan, A.M., Ivanov, A.A., Lushnikova, E.L. et al. The Relationship of Immunoexpression of Ki-67 and Hsp70 with Clinical and Morphological Parameters and Prognosis of Papillary Thyroid Cancer. Bull Exp Biol Med 168, 688–693 (2020). https://doi.org/10.1007/s10517-020-04781-1

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  • DOI: https://doi.org/10.1007/s10517-020-04781-1

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