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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">pharmjournal</journal-id><journal-title-group><journal-title xml:lang="ru">Разработка и регистрация лекарственных средств</journal-title><trans-title-group xml:lang="en"><trans-title>Drug development &amp; registration</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2305-2066</issn><issn pub-type="epub">2658-5049</issn><publisher><publisher-name>LLC «CPHA»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33380/2305-2066-2023-12-1-52-58</article-id><article-id custom-type="elpub" pub-id-type="custom">pharmjournal-1435</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ПОИСК И РАЗРАБОТКА НОВЫХ ЛЕКАРСТВЕННЫХ СРЕДСТВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RESEARCH AND DEVELOPMENT OF NEW DRUG PRODUCTS</subject></subj-group></article-categories><title-group><article-title>Cytotoxic Effect of 6-Ethyl-Chenodeoxycholic Acid and Cabazitaxel on PC-3 Cells</article-title><trans-title-group xml:lang="en"><trans-title>Cytotoxic Effect of 6-Ethyl-Chenodeoxycholic Acid and Cabazitaxel on PC-3 Cells</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0552-6469</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Zalzala</surname><given-names>M. H.</given-names></name><name name-style="western" xml:lang="en"><surname>Zalzala</surname><given-names>M. H.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Baghdad-Iraq</p></bio><bio xml:lang="en"><p>Baghdad-Iraq</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4451-8939</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Al-khfajy</surname><given-names>W. S.</given-names></name><name name-style="western" xml:lang="en"><surname>Al-khfajy</surname><given-names>W. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Baghdad-Iraq</p></bio><bio xml:lang="en"><p>Baghdad-Iraq </p></bio><email xlink:type="simple">pharm.wroodsalim@uomustansiriyah.edu.iq</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5757-5356</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Khaleel</surname><given-names>R. A.</given-names></name><name name-style="western" xml:lang="en"><surname>Khaleel</surname><given-names>R. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Baghdad-Iraq</p></bio><bio xml:lang="en"><p>Baghdad-Iraq</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Department of Pharmacology and Toxicology, University of Baghdad, College of Pharmacy</institution></aff><aff xml:lang="en"><institution>Department of Pharmacology and Toxicology, University of Baghdad, College of Pharmacy</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Department of Pharmacology and Toxicology, College of Pharmacy, Mustansiriyah University</institution></aff><aff xml:lang="en"><institution>Department of Pharmacology and Toxicology, College of Pharmacy, Mustansiriyah University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Department of Pharmacology, College of Medicine, University of Al Iraqia</institution></aff><aff xml:lang="en"><institution>Department of Pharmacology, College of Medicine, University of Al Iraqia</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>27</day><month>02</month><year>2023</year></pub-date><volume>12</volume><issue>1</issue><fpage>52</fpage><lpage>58</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Zalzala M.H., Al-khfajy W.S., Khaleel R.A., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Zalzala M.H., Al-khfajy W.S., Khaleel R.A.</copyright-holder><copyright-holder xml:lang="en">Zalzala M.H., Al-khfajy W.S., Khaleel R.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.pharmjournal.ru/jour/article/view/1435">https://www.pharmjournal.ru/jour/article/view/1435</self-uri><abstract><sec><title>Introduction</title><p>Introduction. Chemotherapy with Cabazitaxel (CBZ) is a typical first-line treatment option for naïive castration-resistant prostate cancer resistant to docetaxel. On the other hand, Cabazitaxel's therapeutic success is constrained by chemoresistance and side effects.</p></sec><sec><title>Aim</title><p>Aim. To assess whether 6 alpha-ethylchenodeoxycholic acid (6-ECDCA), a selective agonist for bile acid receptors will enhance the efficacy of CBZ in androgen-independent prostate cancer cells.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) viability assay was used to assess the cytotoxicity of 6-ECDCA and CBZ medicines or their combinations against the human prostate cancer cell line (PC-3). The combination outcome suggested by Chou TC et al. was then evaluated using the combination index (CI) to find out the nature of synergism, antagonism, and additive effect of the drug’s combination. Furthermore, the Dose-Reduction Index (DRI) was determined to measure how many times the dose could be reduced for each drug in a synergistic combination.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. Analysis of the dose-effect curve showed that the treatment of PC-3 cells with CBZ alone or combined with 6-ECDCA for 48 h led to 50 % cytotoxicity of 20.5 nM and 4.7 nM, respectively. 6-ECDCA at 1.77 µM had an additive effect based on the CI value, which was 1.02, while at 21.02 µM, the CI was 0.54 which designates a strong synergistic effect. The combination of CBZ and 6-ECDCA at a submaximal lower dose by 6-folds of each one produced a 95 % cell death than treatment with either agent alone.</p></sec><sec><title>Conclusion</title><p>Conclusion. The Combination index plot showed CI ≤ l for all combinations used in this study, which indicates additive and synergistic interactions between CBZ and 6-ECDCA. The significant impact of 6-ECDCA in combination with CBZ for treating androgen-independent prostate cancer cells was confirmed by this study to be preferred to the treatment with a single drug.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Chemotherapy with Cabazitaxel (CBZ) is a typical first-line treatment option for naïive castration-resistant prostate cancer resistant to docetaxel. On the other hand, Cabazitaxel's therapeutic success is constrained by chemoresistance and side effects.</p></sec><sec><title>Aim</title><p>Aim. To assess whether 6 alpha-ethylchenodeoxycholic acid (6-ECDCA), a selective agonist for bile acid receptors will enhance the efficacy of CBZ in androgen-independent prostate cancer cells.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) viability assay was used to assess the cytotoxicity of 6-ECDCA and CBZ medicines or their combinations against the human prostate cancer cell line (PC-3). The combination outcome suggested by Chou TC et al. was then evaluated using the combination index (CI) to find out the nature of synergism, antagonism, and additive effect of the drug’s combination. Furthermore, the Dose-Reduction Index (DRI) was determined to measure how many times the dose could be reduced for each drug in a synergistic combination.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. Analysis of the dose-effect curve showed that the treatment of PC-3 cells with CBZ alone or combined with 6-ECDCA for 48 h led to 50 % cytotoxicity of 20.5 nM and 4.7 nM, respectively. 6-ECDCA at 1.77 µM had an additive effect based on the CI value, which was 1.02, while at 21.02 µM, the CI was 0.54 which designates a strong synergistic effect. The combination of CBZ and 6-ECDCA at a submaximal lower dose by 6-folds of each one produced a 95 % cell death than treatment with either agent alone.</p></sec><sec><title>Conclusion</title><p>Conclusion. The Combination index plot showed CI ≤ l for all combinations used in this study, which indicates additive and synergistic interactions between CBZ and 6-ECDCA. The significant impact of 6-ECDCA in combination with CBZ for treating androgen-independent prostate cancer cells was confirmed by this study to be preferred to the treatment with a single drug.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>6 alpha-ethylchenodeoxycholic acid</kwd><kwd>Cabazitaxel</kwd><kwd>synergistic combination chemotherapy</kwd></kwd-group><kwd-group xml:lang="en"><kwd>6 alpha-ethylchenodeoxycholic acid</kwd><kwd>Cabazitaxel</kwd><kwd>synergistic combination chemotherapy</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">The authors thank college of pharmacy / Mustansiriyah University for providing the facilities to perform this study.</funding-statement><funding-statement xml:lang="en">The authors thank college of pharmacy / Mustansiriyah University for providing the facilities to perform this study.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Erdogan S., Serttas R., Turkekul K., Dibirdik I. The synergistic anticancer effect of salinomycin combined with cabazitaxel in CD44+ prostate cancer cells by downregulating wnt, NF-κB and AKT signaling. Mol Biol Rep. 2022;49(6):4873–4884.</mixed-citation><mixed-citation xml:lang="en">Erdogan S., Serttas R., Turkekul K., Dibirdik I. The synergistic anticancer effect of salinomycin combined with cabazitaxel in CD44+ prostate cancer cells by downregulating wnt, NF-κB and AKT signaling. Mol Biol Rep. 2022;49(6):4873–4884.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Ebner B., Chaloupka M., Berg E., Stief C. G., Kretschmer A., Herlemann A. Prostate cancer: When to treat, which treatment options by stage? MMW Fortschr Med. 2021;163(7):36–40.</mixed-citation><mixed-citation xml:lang="en">Ebner B., Chaloupka M., Berg E., Stief C. G., Kretschmer A., Herlemann A. Prostate cancer: When to treat, which treatment options by stage? MMW Fortschr Med. 2021;163(7):36–40.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Vrignaud P., Semiond D., Benning V., Beys E., Bouchard H., Gupta S. Preclinical profile of cabazitaxel. Drug Des Devel Ther. 2014;8:1851–1867.</mixed-citation><mixed-citation xml:lang="en">Vrignaud P., Semiond D., Benning V., Beys E., Bouchard H., Gupta S. Preclinical profile of cabazitaxel. Drug Des Devel Ther. 2014;8:1851–1867.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Mukhtar E., Adhami V. M., Siddiqui I. A., Verma A. K., Mukhtar H. Fisetin Enhances Chemotherapeutic Effect of Cabazitaxel against Human Prostate Cancer Cells. Mol Cancer Ther. 2016;15(12):2863–2874.</mixed-citation><mixed-citation xml:lang="en">Mukhtar E., Adhami V. M., Siddiqui I. A., Verma A. K., Mukhtar H. Fisetin Enhances Chemotherapeutic Effect of Cabazitaxel against Human Prostate Cancer Cells. Mol Cancer Ther. 2016;15(12):2863–2874.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Bansal D., Reimers M. A., Knoche E. M., Pachynski R. K. Immunotherapy and Immunotherapy Combinations in Metastatic Castration-Resistant Prostate Cancer. Cancers (Basel). 2021;13(2).</mixed-citation><mixed-citation xml:lang="en">Bansal D., Reimers M. A., Knoche E. M., Pachynski R. K. Immunotherapy and Immunotherapy Combinations in Metastatic Castration-Resistant Prostate Cancer. Cancers (Basel). 2021;13(2).</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Zhang Y., Jiang R., Zheng X., Lei S., Huang F., Xie G., Kwee S., Yu H., Farrar C., Sun B., Zhao A., Jia W. Ursodeoxycholic acid accelerates bile acid enterohepatic circulation. Br J Pharmacol. 2019;176(16):2848–2863. DOI: 10.1111/bph.14705.</mixed-citation><mixed-citation xml:lang="en">Zhang Y., Jiang R., Zheng X., Lei S., Huang F., Xie G., Kwee S., Yu H., Farrar C., Sun B., Zhao A., Jia W. Ursodeoxycholic acid accelerates bile acid enterohepatic circulation. Br J Pharmacol. 2019;176(16):2848–2863. DOI: 10.1111/bph.14705.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Duan W. J., Jia J. D. Research advances in primary biliary cholangitis. Zhonghua Gan Zang Bing Za Zhi. 2017;25(11):801–804.</mixed-citation><mixed-citation xml:lang="en">Duan W. J., Jia J. D. Research advances in primary biliary cholangitis. Zhonghua Gan Zang Bing Za Zhi. 2017;25(11):801–804.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Di Ciaula A., Wang D. Q., Molina-Molina E., Lunardi Baccetto R., Calamita G., Palmieri V. O., Portincasa P. Bile Acids and Cancer: Direct and Environmental-Dependent Effects. Ann Hepatol. 2017;16(Suppl. 1: s3–105.):s87–s105. DOI: 10.5604/01.3001.0010.5501.</mixed-citation><mixed-citation xml:lang="en">Di Ciaula A., Wang D. Q., Molina-Molina E., Lunardi Baccetto R., Calamita G., Palmieri V. O., Portincasa P. Bile Acids and Cancer: Direct and Environmental-Dependent Effects. Ann Hepatol. 2017;16(Suppl. 1: s3–105.):s87–s105. DOI: 10.5604/01.3001.0010.5501.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Liu X., Wang Y. An overview of bile acid synthesis and its physiological and pathological functions. Yi Chuan. 2019;41(5):365–374.</mixed-citation><mixed-citation xml:lang="en">Liu X., Wang Y. An overview of bile acid synthesis and its physiological and pathological functions. Yi Chuan. 2019;41(5):365–374.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Garcia M., Thirouard L., Sedès L., Monrose M., Holota H., Caira F., Volle D. H., Beaudoin C. Nuclear Receptor Metabolism of Bile Acids and Xenobiotics: A Coordinated Detoxification System with Impact on Health and Diseases. Int J Mol Sci. 2018;19(11):3630. DOI: 10.3390/ijms19113630.</mixed-citation><mixed-citation xml:lang="en">Garcia M., Thirouard L., Sedès L., Monrose M., Holota H., Caira F., Volle D. H., Beaudoin C. Nuclear Receptor Metabolism of Bile Acids and Xenobiotics: A Coordinated Detoxification System with Impact on Health and Diseases. Int J Mol Sci. 2018;19(11):3630. DOI: 10.3390/ijms19113630.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Pellicciari R., Fiorucci S., Camaioni E., Clerici C., Costantino G., Maloney P. R., Morelli A., Parks D. J., Willson T. M. 6alpha-ethyl-chenodeoxycholic acid (6-ECDCA), a potent and selective FXR agonist endowed with anticholestatic activity. J Med Chem. 2002;45(17):3569–3572. DOI: 10.1021/jm025529g.</mixed-citation><mixed-citation xml:lang="en">Pellicciari R., Fiorucci S., Camaioni E., Clerici C., Costantino G., Maloney P. R., Morelli A., Parks D. J., Willson T. M. 6alpha-ethyl-chenodeoxycholic acid (6-ECDCA), a potent and selective FXR agonist endowed with anticholestatic activity. J Med Chem. 2002;45(17):3569–3572. DOI: 10.1021/jm025529g.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Cariello M., Peres C., Zerlotin R., Porru E., Sabbà C., Roda A., Moschetta A. Long-term Administration of Nuclear Bile Acid Receptor FXR Agonist Prevents Spontaneous Hepatocarcinogenesis in Abcb4. Sci Rep. 2017;7(1):11203. DOI: 10.1038/s41598-017-11549-7.</mixed-citation><mixed-citation xml:lang="en">Cariello M., Peres C., Zerlotin R., Porru E., Sabbà C., Roda A., Moschetta A. Long-term Administration of Nuclear Bile Acid Receptor FXR Agonist Prevents Spontaneous Hepatocarcinogenesis in Abcb4. Sci Rep. 2017;7(1):11203. DOI: 10.1038/s41598-017-11549-7.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Di Ciaula A., Wang D. Q.-H., Molina-Molina E., Baccetto R. L., Calamita G., Palmieri V. O., Portincasa P. Bile Acids and Cancer: Direct and Environmental-Dependent Effects. Ann Hepatol. 2017;16(Suppl. 1: s3–105):s87–s105. DOI: 10.5604/01.3001.0010.5501.</mixed-citation><mixed-citation xml:lang="en">Di Ciaula A., Wang D. Q.-H., Molina-Molina E., Baccetto R. L., Calamita G., Palmieri V. O., Portincasa P. Bile Acids and Cancer: Direct and Environmental-Dependent Effects. Ann Hepatol. 2017;16(Suppl. 1: s3–105):s87–s105. DOI: 10.5604/01.3001.0010.5501.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Wang W., Zhan M., Li Q., Chen W., Chu H., Huang Q., Hou Z., Man M., Wang J. FXR agonists enhance the sensitivity of biliary tract cancer cells to cisplatin via SHP dependent inhibition of Bcl-xL expression. Oncotarget. 2016;7(23):34617–34629. DOI: 10.18632/oncotarget.8964.</mixed-citation><mixed-citation xml:lang="en">Wang W., Zhan M., Li Q., Chen W., Chu H., Huang Q., Hou Z., Man M., Wang J. FXR agonists enhance the sensitivity of biliary tract cancer cells to cisplatin via SHP dependent inhibition of Bcl-xL expression. Oncotarget. 2016;7(23):34617–34629. DOI: 10.18632/oncotarget.8964.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Yu J., Yang K., Zheng J., Zhao W., Sun X. Correction: Synergistic tumor inhibition of colon cancer cells by nitazoxanide and obeticholic acid, a farnesoid X receptor ligand. Cancer Gene Ther. 2022;29(6):871–872.</mixed-citation><mixed-citation xml:lang="en">Yu J., Yang K., Zheng J., Zhao W., Sun X. Correction: Synergistic tumor inhibition of colon cancer cells by nitazoxanide and obeticholic acid, a farnesoid X receptor ligand. Cancer Gene Ther. 2022;29(6):871–872.</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Ohno T., Shirakami Y., Shimizu M., Kubota M., Sakai H., Yasuda Y., Kochi T., Tsurumi H., Moriwaki H. Synergistic growth inhibition of human hepatocellular carcinoma cells by acyclic retinoid and GW4064, a farnesoid X receptor ligand. Cancer letters. 2012;323(2):215–222. DOI: 10.1016/j.canlet.2012.04.015.</mixed-citation><mixed-citation xml:lang="en">Ohno T., Shirakami Y., Shimizu M., Kubota M., Sakai H., Yasuda Y., Kochi T., Tsurumi H., Moriwaki H. Synergistic growth inhibition of human hepatocellular carcinoma cells by acyclic retinoid and GW4064, a farnesoid X receptor ligand. Cancer letters. 2012;323(2):215–222. DOI: 10.1016/j.canlet.2012.04.015.</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Al-khfajy W. S., Arif I. S., Al-sudani B. T. Synergistic effect of obeticholic acid and fasting-mimicking on proliferative, migration, and survival signaling in prostate cancer. Pharmacia. 2022;69(2):579–587.</mixed-citation><mixed-citation xml:lang="en">Al-khfajy W. S., Arif I. S., Al-sudani B. T. Synergistic effect of obeticholic acid and fasting-mimicking on proliferative, migration, and survival signaling in prostate cancer. Pharmacia. 2022;69(2):579–587.</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Kumar P., Nagarajan A., Uchil P. D. Analysis of Cell Viability by the MTT Assay. Cold Spring Harb Protoc. 2018;2018(6).</mixed-citation><mixed-citation xml:lang="en">Kumar P., Nagarajan A., Uchil P. D. Analysis of Cell Viability by the MTT Assay. Cold Spring Harb Protoc. 2018;2018(6).</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Chou T.-C., Rideout D. C. Synergism and antagonism in chemotherapy. San Diego: Academic Press; 1991. xvi. 752 p.</mixed-citation><mixed-citation xml:lang="en">Chou T.-C., Rideout D. C. Synergism and antagonism in chemotherapy. San Diego: Academic Press; 1991. xvi. 752 p.</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Carbonetti G., Converso C., Clement T., Wang C., Trotman L. C., Ojima I., Kaczocha M.. Docetaxel/cabazitaxel and fatty acid binding protein 5 inhibitors produce synergistic inhibition of prostate cancer growth. Prostate. 2020;80(1):88–98. DOI: 10.1002/pros.23921.</mixed-citation><mixed-citation xml:lang="en">Carbonetti G., Converso C., Clement T., Wang C., Trotman L. C., Ojima I., Kaczocha M.. Docetaxel/cabazitaxel and fatty acid binding protein 5 inhibitors produce synergistic inhibition of prostate cancer growth. Prostate. 2020;80(1):88–98. DOI: 10.1002/pros.23921.</mixed-citation></citation-alternatives></ref><ref id="cit21"><label>21</label><citation-alternatives><mixed-citation xml:lang="ru">Achard V., Putora P. M., Omlin A., Zilli T., Fischer S. Metastatic Prostate Cancer: Treatment Options. Oncology. 2022;100(1):48–59.</mixed-citation><mixed-citation xml:lang="en">Achard V., Putora P. M., Omlin A., Zilli T., Fischer S. Metastatic Prostate Cancer: Treatment Options. Oncology. 2022;100(1):48–59.</mixed-citation></citation-alternatives></ref><ref id="cit22"><label>22</label><citation-alternatives><mixed-citation xml:lang="ru">Lee S. T., Wong P. F., Hooper J. D., Mustafa M. R. Alpha-tomatine synergises with paclitaxel to enhance apoptosis of androgen-independent human prostate cancer PC-3 cells in vitro and in vivo. Phytomedicine. 2013;20(14):1297–1305.</mixed-citation><mixed-citation xml:lang="en">Lee S. T., Wong P. F., Hooper J. D., Mustafa M. R. Alpha-tomatine synergises with paclitaxel to enhance apoptosis of androgen-independent human prostate cancer PC-3 cells in vitro and in vivo. Phytomedicine. 2013;20(14):1297–1305.</mixed-citation></citation-alternatives></ref><ref id="cit23"><label>23</label><citation-alternatives><mixed-citation xml:lang="ru">Li X., Lao Y., Zhang H., Wang X., Tan H., Lin Z., Xu H. The natural compound Guttiferone F sensitizes prostate cancer to starvation induced apoptosis via calcium and JNK elevation. BMC cancer. 2015;15:254. DOI: 10.1186/s12885-015-1292-z.</mixed-citation><mixed-citation xml:lang="en">Li X., Lao Y., Zhang H., Wang X., Tan H., Lin Z., Xu H. The natural compound Guttiferone F sensitizes prostate cancer to starvation induced apoptosis via calcium and JNK elevation. BMC cancer. 2015;15:254. DOI: 10.1186/s12885-015-1292-z.</mixed-citation></citation-alternatives></ref><ref id="cit24"><label>24</label><citation-alternatives><mixed-citation xml:lang="ru">Tran L. N. K., Kichenadasse G., Sykes P. J. Combination Therapies Using Metformin and/or Valproic Acid in Prostate Cancer: Possible Mechanistic Interactions. Curr Cancer Drug Targets. 2019;19(5):368–381.</mixed-citation><mixed-citation xml:lang="en">Tran L. N. K., Kichenadasse G., Sykes P. J. Combination Therapies Using Metformin and/or Valproic Acid in Prostate Cancer: Possible Mechanistic Interactions. Curr Cancer Drug Targets. 2019;19(5):368–381.</mixed-citation></citation-alternatives></ref><ref id="cit25"><label>25</label><citation-alternatives><mixed-citation xml:lang="ru">Darzynkiewicz Z., Traganos F. Measurement of apoptosis. Adv Biochem Eng Biotechnol. 1998;62:33–73.</mixed-citation><mixed-citation xml:lang="en">Darzynkiewicz Z., Traganos F. Measurement of apoptosis. Adv Biochem Eng Biotechnol. 1998;62:33–73.</mixed-citation></citation-alternatives></ref><ref id="cit26"><label>26</label><citation-alternatives><mixed-citation xml:lang="ru">Martelli A. M., Zweyer M., Ochs R. L., Tazzari P. L., Tabellini G., Narducci P., Bortul R. Nuclear apoptotic changes: an overview. J Cell Biochem. 2001;82(4):634–646. DOI: 10.1002/jcb.1186.</mixed-citation><mixed-citation xml:lang="en">Martelli A. M., Zweyer M., Ochs R. L., Tazzari P. L., Tabellini G., Narducci P., Bortul R. Nuclear apoptotic changes: an overview. J Cell Biochem. 2001;82(4):634–646. DOI: 10.1002/jcb.1186.</mixed-citation></citation-alternatives></ref><ref id="cit27"><label>27</label><citation-alternatives><mixed-citation xml:lang="ru">Aljubran A., Leighl N., Pintilie M., Burkes R. Improved compliance with adjuvant vinorelbine and cisplatin in non-small cell lung cancer. Hematol Oncol Stem Cell Ther. 2009;2(1):265-71.</mixed-citation><mixed-citation xml:lang="en">Aljubran A., Leighl N., Pintilie M., Burkes R. Improved compliance with adjuvant vinorelbine and cisplatin in non-small cell lung cancer. Hematol Oncol Stem Cell Ther. 2009;2(1):265-71.</mixed-citation></citation-alternatives></ref><ref id="cit28"><label>28</label><citation-alternatives><mixed-citation xml:lang="ru">Lee J. J., Chu E. Adherence, Dosing, and Managing Toxicities With Trifluridine/Tipiracil (TAS-102). Clin Colorectal Cancer. 2017;16(2):85–92.</mixed-citation><mixed-citation xml:lang="en">Lee J. J., Chu E. Adherence, Dosing, and Managing Toxicities With Trifluridine/Tipiracil (TAS-102). Clin Colorectal Cancer. 2017;16(2):85–92.</mixed-citation></citation-alternatives></ref><ref id="cit29"><label>29</label><citation-alternatives><mixed-citation xml:lang="ru">Pfeiffer P., Yilmaz M., Möller S., Zitnjak D., Krogh M., Petersen L. N., Poulsen L. Ø., Winther S. B., Thomsen K. G., Qvortrup C. TAS-102 with or without bevacizumab in patients with chemorefractory metastatic colorectal cancer: an investigator-initiated, open-label, randomised, phase 2 trial. Lancet Oncol. 2020;21(3):412–420.</mixed-citation><mixed-citation xml:lang="en">Pfeiffer P., Yilmaz M., Möller S., Zitnjak D., Krogh M., Petersen L. N., Poulsen L. Ø., Winther S. B., Thomsen K. G., Qvortrup C. TAS-102 with or without bevacizumab in patients with chemorefractory metastatic colorectal cancer: an investigator-initiated, open-label, randomised, phase 2 trial. Lancet Oncol. 2020;21(3):412–420.</mixed-citation></citation-alternatives></ref><ref id="cit30"><label>30</label><citation-alternatives><mixed-citation xml:lang="ru">Negri M., Gentile A., de Angelis C., Montò T., Patalano R., Colao A., Pivonello R., Pivonello C. Vitamin D-Induced Molecular Mechanisms to Potentiate Cancer Therapy and to Reverse Drug-Resistance in Cancer Cells. Nutrients. 2020;12(6):1798. DOI: 10.3390/nu12061798.</mixed-citation><mixed-citation xml:lang="en">Negri M., Gentile A., de Angelis C., Montò T., Patalano R., Colao A., Pivonello R., Pivonello C. Vitamin D-Induced Molecular Mechanisms to Potentiate Cancer Therapy and to Reverse Drug-Resistance in Cancer Cells. Nutrients. 2020;12(6):1798. DOI: 10.3390/nu12061798.</mixed-citation></citation-alternatives></ref><ref id="cit31"><label>31</label><citation-alternatives><mixed-citation xml:lang="ru">Nevens F., Andreone P., Mazzella G., Strasser S. I., Bowlus C., Invernizzi P., Drenth J. P. H., Pockros P. J., Regula J., Beuers U., Trauner M., Jones D. E., Floreani A., Hohenester S., Luketic V., Shiffman M., van Erpecum K. J., Vargas V., Vincent C., Hirschfield G. M., Shah H., Hansen B., Lindor K. D., Marschall H.-U., Kowdley K. V., Hooshmand-Rad R., Marmon T., Sheeron S., Pencek R., MacConell L., Pruzanski M., Shapiro D. A Placebo-Controlled Trial of Obeticholic Acid in Primary Biliary Cholangitis. N Engl J Med. 2016;375(7):631–643. DOI: 10.1056/NEJMoa1509840.</mixed-citation><mixed-citation xml:lang="en">Nevens F., Andreone P., Mazzella G., Strasser S. I., Bowlus C., Invernizzi P., Drenth J. P. H., Pockros P. J., Regula J., Beuers U., Trauner M., Jones D. E., Floreani A., Hohenester S., Luketic V., Shiffman M., van Erpecum K. J., Vargas V., Vincent C., Hirschfield G. M., Shah H., Hansen B., Lindor K. D., Marschall H.-U., Kowdley K. V., Hooshmand-Rad R., Marmon T., Sheeron S., Pencek R., MacConell L., Pruzanski M., Shapiro D. A Placebo-Controlled Trial of Obeticholic Acid in Primary Biliary Cholangitis. N Engl J Med. 2016;375(7):631–643. DOI: 10.1056/NEJMoa1509840.</mixed-citation></citation-alternatives></ref><ref id="cit32"><label>32</label><citation-alternatives><mixed-citation xml:lang="ru">Li S., Xu Z., Guo J., Zheng J., Sun X., Yu J. Farnesoid X receptor activation induces antitumour activity in colorectal cancer by suppressing JAK2/STAT3 signalling via transactivation of SOCS3 gene. J Cell Mol Med. 2020;24(24):14549–14560.</mixed-citation><mixed-citation xml:lang="en">Li S., Xu Z., Guo J., Zheng J., Sun X., Yu J. Farnesoid X receptor activation induces antitumour activity in colorectal cancer by suppressing JAK2/STAT3 signalling via transactivation of SOCS3 gene. J Cell Mol Med. 2020;24(24):14549–14560.</mixed-citation></citation-alternatives></ref><ref id="cit33"><label>33</label><citation-alternatives><mixed-citation xml:lang="ru">Attia Y. M., Tawfiq R. A., Ali A. A., Elmazar M. M. The FXR Agonist, Obeticholic Acid, Suppresses HCC Proliferation &amp; Metastasis: Role of IL-6/STAT3 Signalling Pathway. Sci Rep. 2017;7(1):12502.</mixed-citation><mixed-citation xml:lang="en">Attia Y. M., Tawfiq R. A., Ali A. A., Elmazar M. M. The FXR Agonist, Obeticholic Acid, Suppresses HCC Proliferation &amp; Metastasis: Role of IL-6/STAT3 Signalling Pathway. Sci Rep. 2017;7(1):12502.</mixed-citation></citation-alternatives></ref><ref id="cit34"><label>34</label><citation-alternatives><mixed-citation xml:lang="ru">Han C. Y. Update on FXR Biology: Promising Therapeutic Target? Int J Mol Sci. 2018;19(7):2069. DOI: 10.3390/ijms19072069.</mixed-citation><mixed-citation xml:lang="en">Han C. Y. Update on FXR Biology: Promising Therapeutic Target? Int J Mol Sci. 2018;19(7):2069. DOI: 10.3390/ijms19072069.</mixed-citation></citation-alternatives></ref><ref id="cit35"><label>35</label><citation-alternatives><mixed-citation xml:lang="ru">Lv B., Ma L., Tang W., Huang P., Yang B., Wang L., Chen S., Gao Q., Zhang S., Xia J. FXR Acts as a Metastasis Suppressor in Intrahepatic Cholangiocarcinoma by Inhibiting IL-6-Induced Epithelial-Mesenchymal Transition. Cell Physiol Biochem. 2018;48(1):158–172. DOI: 10.1159/000491715.</mixed-citation><mixed-citation xml:lang="en">Lv B., Ma L., Tang W., Huang P., Yang B., Wang L., Chen S., Gao Q., Zhang S., Xia J. FXR Acts as a Metastasis Suppressor in Intrahepatic Cholangiocarcinoma by Inhibiting IL-6-Induced Epithelial-Mesenchymal Transition. Cell Physiol Biochem. 2018;48(1):158–172. DOI: 10.1159/000491715.</mixed-citation></citation-alternatives></ref><ref id="cit36"><label>36</label><citation-alternatives><mixed-citation xml:lang="ru">Braglia L., Zavatti M., Vinceti M., Martelli A. M., Marmiroli S. Deregulated PTEN/PI3K/AKT/mTOR signaling in prostate cancer: Still a potential druggable target? Biochim Biophys Acta Mol Cell Res. 2020;1867(9):118731.</mixed-citation><mixed-citation xml:lang="en">Braglia L., Zavatti M., Vinceti M., Martelli A. M., Marmiroli S. Deregulated PTEN/PI3K/AKT/mTOR signaling in prostate cancer: Still a potential druggable target? Biochim Biophys Acta Mol Cell Res. 2020;1867(9):118731.</mixed-citation></citation-alternatives></ref><ref id="cit37"><label>37</label><citation-alternatives><mixed-citation xml:lang="ru">Kosaka T., Miyajima A., Shirotake S., Suzuki E., Kikuchi E., Oya M. Long-term androgen ablation and docetaxel up-regulate phosphorylated Akt in castration resistant prostate cancer. J Urol. 2011;185(6):2376–2381.</mixed-citation><mixed-citation xml:lang="en">Kosaka T., Miyajima A., Shirotake S., Suzuki E., Kikuchi E., Oya M. Long-term androgen ablation and docetaxel up-regulate phosphorylated Akt in castration resistant prostate cancer. J Urol. 2011;185(6):2376–2381.</mixed-citation></citation-alternatives></ref><ref id="cit38"><label>38</label><citation-alternatives><mixed-citation xml:lang="ru">Yasumizu Y., Miyajima A., Kosaka T., Miyazaki Y., Kikuchi E., Oya M. Dual PI3K/mTOR inhibitor NVP-BEZ235 sensitizes docetaxel in castration resistant prostate cancer. J Urol. 2014;191(1):227–234.</mixed-citation><mixed-citation xml:lang="en">Yasumizu Y., Miyajima A., Kosaka T., Miyazaki Y., Kikuchi E., Oya M. Dual PI3K/mTOR inhibitor NVP-BEZ235 sensitizes docetaxel in castration resistant prostate cancer. J Urol. 2014;191(1):227–234.</mixed-citation></citation-alternatives></ref><ref id="cit39"><label>39</label><citation-alternatives><mixed-citation xml:lang="ru">Wang L., Lin N., Li Y. The PI3K/AKT signaling pathway regulates ABCG2 expression and confers resistance to chemotherapy in human multiple myeloma. Oncol Rep. 2019;41(3):1678–1690.</mixed-citation><mixed-citation xml:lang="en">Wang L., Lin N., Li Y. The PI3K/AKT signaling pathway regulates ABCG2 expression and confers resistance to chemotherapy in human multiple myeloma. Oncol Rep. 2019;41(3):1678–1690.</mixed-citation></citation-alternatives></ref><ref id="cit40"><label>40</label><citation-alternatives><mixed-citation xml:lang="ru">Mao J., Chen X., Wang C., Li W., Li J. Effects and mechanism of the bile acid (farnesoid X) receptor on the Wnt/β-catenin signaling pathway in colon cancer. Oncol Lett. 2020;20(1):337–345.</mixed-citation><mixed-citation xml:lang="en">Mao J., Chen X., Wang C., Li W., Li J. Effects and mechanism of the bile acid (farnesoid X) receptor on the Wnt/β-catenin signaling pathway in colon cancer. Oncol Lett. 2020;20(1):337–345.</mixed-citation></citation-alternatives></ref><ref id="cit41"><label>41</label><citation-alternatives><mixed-citation xml:lang="ru">Peng Z., Chen J., Drachenberg C. B., Raufman J. P., Xie G. Farnesoid X receptor represses matrix metalloproteinase 7 expression, revealing this regulatory axis as a promising therapeutic target in colon cancer. J Biol Chem. 2019;294(21):8529–8542.</mixed-citation><mixed-citation xml:lang="en">Peng Z., Chen J., Drachenberg C. B., Raufman J. P., Xie G. Farnesoid X receptor represses matrix metalloproteinase 7 expression, revealing this regulatory axis as a promising therapeutic target in colon cancer. J Biol Chem. 2019;294(21):8529–8542.</mixed-citation></citation-alternatives></ref><ref id="cit42"><label>42</label><citation-alternatives><mixed-citation xml:lang="ru">Duran G. E., Wang Y. C, Francisco E. B., Rose J. C., Martinez F. J., Coller J., Brassard D., Vrignaud P., Sikic B. I. Mechanisms of Resistance to Cabazitaxel. Molecular Cancer Therapeutics. 2015;14(1):193–201. DOI: 10.1158/1535-7163.MCT-14-0155.</mixed-citation><mixed-citation xml:lang="en">Duran G. E., Wang Y. C, Francisco E. B., Rose J. C., Martinez F. J., Coller J., Brassard D., Vrignaud P., Sikic B. I. Mechanisms of Resistance to Cabazitaxel. Molecular Cancer Therapeutics. 2015;14(1):193–201. DOI: 10.1158/1535-7163.MCT-14-0155.</mixed-citation></citation-alternatives></ref><ref id="cit43"><label>43</label><citation-alternatives><mixed-citation xml:lang="ru">Liu R., Chen Y., Liu G., Li C., Song Y., Cao Z., Li W., Hu J., Lu C., Liu Y. PI3K/AKT pathway as a key link modulates the multidrug resistance of cancers. Cell Death &amp; Disease. 2020;11(9):797.</mixed-citation><mixed-citation xml:lang="en">Liu R., Chen Y., Liu G., Li C., Song Y., Cao Z., Li W., Hu J., Lu C., Liu Y. PI3K/AKT pathway as a key link modulates the multidrug resistance of cancers. Cell Death &amp; Disease. 2020;11(9):797.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
