{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T11:21:19Z","timestamp":1790940079493,"version":"4.1.0"},"reference-count":39,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","license":[{"start":{"date-parts":[[2015,9,1]],"date-time":"2015-09-01T00:00:00Z","timestamp":1441065600000},"content-version":"tdm","delay-in-days":5814,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[1999,10]]},"abstract":"<jats:sec>\n            <jats:title\/>\n            <jats:p>The effects of cycloprodigiosin hydrochloride (cPrG-HCl), a new H<jats:sup>+<\/jats:sup>\/Cl<jats:sup>\u2212<\/jats:sup> symporter, were examined in liver cancer cell lines <jats:italic toggle=\"yes\">in vitro<\/jats:italic> and <jats:italic toggle=\"yes\">in vivo<\/jats:italic>. In the <jats:italic toggle=\"yes\">in vitro<\/jats:italic> MTT assay, cPrG-HCl inhibited the growth of 6 liver cancer cell lines (Huh-7, HCC-M, HCC-T, dRLh-84, and H-35, hepatocellular carcinoma; HepG2, hepatoblastoma) in a dose- and time-dependent manner. The 50% inhibitory concentrations (IC<jats:sub>50<\/jats:sub>) at 72 hours' treatment for liver cancer cell lines were 276 to 592 nmol\/L, while that for isolated normal rat hepatocyte was 8.4 \u03bcmol\/L. The cPrG-HCl treatment of Huh-7 cells induced apoptosis as confirmed by the appearance of a subG<jats:sub>1<\/jats:sub> population, intranucleosomal DNA fragmentation, and chromatin condensation. cPrG-HCl raised the pH of acidic organelles and lowered pHi (below pH 6.8). In addition, the apoptosis in Huh-7 cells induced by cPrG-HCl was strongly suppressed when the cells were cultured with imidazole, a cell-permeable base. In the<jats:italic toggle=\"yes\">in vivo<\/jats:italic>assay, nude mice bearing subcutaneous xenografted Huh-7 cells received 2 weeks of treatment with cPrG-HCl (1 or 10 mg\/kg\/d) subcutaneously. This treatment significantly inhibited tumor growth compared with the control after 8 days. The control mice were treated with 1% dimethylsulfoxide (DMSO) in saline (vehicle). A histopathological examination using the terminal deoxynucleotidyl transferase mediated dUTP biotin nick end labeling (TUNEL) method showed apoptosis in the treated tumor cells. No pathological changes were observed in any organs, and the serum alanine transaminase levels remained within normal limits. These results suggest that cPrG-HCl may be useful for the treatment of hepatocellular carcinoma.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1002\/hep.510300417","type":"journal-article","created":{"date-parts":[[2004,7,28]],"date-time":"2004-07-28T07:29:13Z","timestamp":1090999753000},"page":"894-902","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":101,"title":["Cycloprodigiosin hydrochloride, a new H+\/Cl\u2212 symporter, induces apoptosis in human and rat hepatocellular cancer cell lines in vitro and inhibits the growth of hepatocellular carcinoma xenografts in nude mice"],"prefix":"10.1097","volume":"30","author":[{"given":"Chizuko","family":"Yamamoto","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroto","family":"Takemoto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kenji","family":"Kuno","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daigo","family":"Yamamoto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Airo","family":"Tsubura","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keiko","family":"Kamata","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hajime","family":"Hirata","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akitsugu","family":"Yamamoto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haruhiko","family":"Kano","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toshihito","family":"Seki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyoichi","family":"Inoue","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"BIB1","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1016\/B978-0-12-364932-4.50010-1","volume":"32","author":"Arends","year":"1991","journal-title":"Int Rev Exp Pathol"},{"key":"BIB2","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1038\/icb.1994.6","volume":"72","author":"Bryson","year":"1994","journal-title":"Immunol Cell Biol"},{"key":"BIB3","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/0022-1759(94)90373-5","volume":"172","author":"Telford","year":"1994","journal-title":"J Immunol Methods"},{"key":"BIB4","doi-asserted-by":"crossref","first-page":"c315","DOI":"10.1152\/ajpcell.1988.255.3.C315","volume":"255","author":"Gores","year":"1988","journal-title":"Am J Physiol"},{"key":"BIB5","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1172\/JCI116546","volume":"92","author":"Spivey","year":"1933","journal-title":"J Clin Invest"},{"key":"BIB6","doi-asserted-by":"crossref","first-page":"654","DOI":"10.1073\/pnas.93.2.654","volume":"93","author":"Gottlieb","year":"1996","journal-title":"Proc Natl Acad Sci U S A"},{"key":"BIB7","doi-asserted-by":"crossref","first-page":"81","DOI":"10.1002\/hep.510250115","volume":"25","author":"Zeid","year":"1997","journal-title":"Hepatology"},{"key":"BIB8","first-page":"2801","volume":"58","author":"Zanke","year":"1998","journal-title":"Cancer Res"},{"key":"BIB9","first-page":"1649","volume":"59","author":"Thangaraju","year":"1999","journal-title":"Cancer Res"},{"key":"BIB10","doi-asserted-by":"crossref","first-page":"393","DOI":"10.1023\/A:1022407116339","volume":"29","author":"Shrode","year":"1997","journal-title":"J Bioenerg Biomenbr"},{"key":"BIB11","doi-asserted-by":"crossref","first-page":"c1015","DOI":"10.1152\/ajpcell.1993.265.4.C1015","volume":"265","author":"Martinez-Zaguilan","year":"1993","journal-title":"Am J Physiol"},{"key":"BIB12","first-page":"410","volume-title":"Antibiotics","volume":"2","author":"Williams","year":"1967","unstructured":"Prodigiosin. 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