{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T14:56:43Z","timestamp":1790780203771,"version":"4.1.0"},"reference-count":80,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2022,11,23]],"date-time":"2022-11-23T00:00:00Z","timestamp":1669161600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100006769","name":"Russian Science Foundation","doi-asserted-by":"publisher","award":["20-13-00402"],"award-info":[{"award-number":["20-13-00402"]}],"id":[{"id":"10.13039\/501100006769","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pharmaceuticals"],"abstract":"<jats:p>The overexpression and activity of carbonic anhydrase (CA, EC 4.2.1.1) isoforms CA IX and CA XII promote the accumulation of exceeding protons and acidosis in the extracellular tumor environment. Sulfonamides are effective inhibitors of most families of CAs. In this study, using scaffold-hopping, indoline-5-sulfonamide analogs 4a\u2013u of the CA IX-selective inhibitor 3 were designed and synthesized to evaluate their biological properties. 1-Acylated indoline-5-sulfonamides demonstrated inhibitory activity against tumor-associated CA IX and XII with KI values up to 132.8 nM and 41.3 nM. Compound 4f, as one of the most potent inhibitors of CA IX and XII, exhibits hypoxic selectivity, suppressing the growth of MCF7 cells at 12.9 \u00b5M, and causes partial inhibition of hypoxia-induced CA IX expression in A431 skin cancer cells. 4e and 4f reverse chemoresistance to doxorubicin of K562\/4 with overexpression of P-gp.<\/jats:p>","DOI":"10.3390\/ph15121453","type":"journal-article","created":{"date-parts":[[2022,11,23]],"date-time":"2022-11-23T09:50:52Z","timestamp":1669197052000},"page":"1453","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Indoline-5-Sulfonamides: A Role of the Core in Inhibition of Cancer-Related Carbonic Anhydrases, Antiproliferative Activity and Circumventing of Multidrug Resistance"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8367-9500","authenticated-orcid":false,"given":"Stepan K.","family":"Krymov","sequence":"first","affiliation":[{"name":"Gause Institute of New Antibiotics, 11 B. Pirogovskaya Street, 119021 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2974-9555","authenticated-orcid":false,"given":"Alexander M.","family":"Scherbakov","sequence":"additional","affiliation":[{"name":"Department of Experimental Tumor Biology, Blokhin N.N. National Medical Research Center of Oncology, 115522 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lyubov G.","family":"Dezhenkova","sequence":"additional","affiliation":[{"name":"Gause Institute of New Antibiotics, 11 B. Pirogovskaya Street, 119021 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0809-3710","authenticated-orcid":false,"given":"Diana I.","family":"Salnikova","sequence":"additional","affiliation":[{"name":"Department of Experimental Tumor Biology, Blokhin N.N. National Medical Research Center of Oncology, 115522 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Svetlana E.","family":"Solov\u2019eva","sequence":"additional","affiliation":[{"name":"Gause Institute of New Antibiotics, 11 B. Pirogovskaya Street, 119021 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Danila V.","family":"Sorokin","sequence":"additional","affiliation":[{"name":"Department of Experimental Tumor Biology, Blokhin N.N. National Medical Research Center of Oncology, 115522 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniela","family":"Vullo","sequence":"additional","affiliation":[{"name":"Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, 50122 Florence, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Viviana","family":"De Luca","sequence":"additional","affiliation":[{"name":"Institute of Biosciences and Bioresources, CNR, Via Pietro Castellino 111, 80131 Napoli, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3314-2411","authenticated-orcid":false,"given":"Clemente","family":"Capasso","sequence":"additional","affiliation":[{"name":"Institute of Biosciences and Bioresources, CNR, Via Pietro Castellino 111, 80131 Napoli, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4262-0323","authenticated-orcid":false,"given":"Claudiu T.","family":"Supuran","sequence":"additional","affiliation":[{"name":"Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, 50122 Florence, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrey E.","family":"Shchekotikhin","sequence":"additional","affiliation":[{"name":"Gause Institute of New Antibiotics, 11 B. Pirogovskaya Street, 119021 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,11,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1847","DOI":"10.1002\/hep.26224","article-title":"Hypoxia-mediated sorafenib resistance can be overcome by EF24 through Von Hippel-Lindau tumor suppressor-dependent HIF-1\u03b1 inhibition in hepatocellular carcinoma","volume":"57","author":"Liang","year":"2013","journal-title":"Hepatology"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1810","DOI":"10.1016\/j.ymthe.2019.05.017","article-title":"Hypoxia Induces Drug Resistance in Colorectal Cancer through the HIF-1\u03b1\/miR-338-5p\/IL-6 Feedback Loop","volume":"27","author":"Xu","year":"2019","journal-title":"Mol. 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