Drug screening and kinase activity profiling of a novel patient-derived cell line of clear cell ovarian carcinoma
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Abstract:
Clear cell carcinoma (CCC) is a rare subtype of ovarian cancer resistant to standard platinum chemotherapy, which leads to a poor prognosis for patients with CCC. Kinases are targets for anticancer drugs; few studies have profiled kinase activity to identify kinase inhibitors as novel anticancer drugs. In this study, we aimed to identify novel anticancer drugs for the treatment of CCC with comprehensive kinase activity assay and drug screening. Using ascites from a 51-year old patient, we established and characterized the NCC-cOV1-C1 cell line. We screened the antiproliferative effects of 152 small anticancer compounds and conducted comprehensive kinase activity assays with the PamStation12 platform. The NCC-cOV1-C1 cells harbor copy number variation of HFN1β amplification, and exhibit constant growth, spheroid formation, and invasion capability. NCC-cOV1-C1 cells responded remarkably to idarubicin HCl and vorinostat. The kinase activity assay revealed that SRC and EGFR were highly activated in NCC-cOV1-C1 cells; the SRC inhibitor dasatinib and the EGFR inhibitor lapatinib exhibited antiproliferative effects and down-regulation of downstream signaling. The NCC-cOV1-C1 cell line will be a useful tool for basic and preclinical study of CCC, and the clinical utility of idarubicin HCl, vorinostat, dasatinib, lapatinib is worthy of further investigation.Keywords:
Profiling (computer programming)
Carcinoma Cell
Overexpression of the proto-oncogenes c-erbB-2, c-myc, and c-ras have been associated with neoplastic transformation in a variety of tumours. We investigated expression of these oncogenes in 5 canine melanoma cell lines and 6 clonal derivatives of 1 of the cell lines, CML-6M, to determine what impact overexpression had on tumour cell growth and metastatic potential. All 11 cell lines were tumourigenic at subcutaneous inoculation sites in nude mice, but spontaneous metastasis to lung was a characteristic of only the CML-6M cell line and 3 of 6 clonal derivatives of CML-6M. Investigation of oncogene overexpression revealed no obvious pattern of expression among the 5 tumour-derived cell lines whereas overexpression of c-erbB-2 and c-myc was consistently found in the 3 clonal cell lines characterized by high metastatic potential, and in primary and metastatic mouse xenografts induced by these lines. This data suggests involvement of overexpression of these genes in development of canine melanoma and associates their overexpression with metastatic potential in nude mice.
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Objective:To screen the differentially expressed proteins in ovarian carcinoma cell lines to search for genes related to the genesis and development of ovarian carcinoma.Methods:Ovarian carcinoma cell lines including SKOV-3,A2780,OVCA433,OVCA420 and normal ovarian cell lines IOSE386 were cultured in vitro,then the differentially expressed proteins in ovarian carcinoma cell lines and normal ovarian cell lines were analyzed by protein array technology;the results were analyzed by QUANTITY 1 software and statistical calculation was carried out.Results:There was significant difference in expression levels of 17 kinds of proteins between ovarian carcinoma cell lines and normal ovarian cell lines.Conclusion:Differentially expressed proteins exist in ovarian carcinoma cell lines and normal ovarian cell lines,which may be related to genesis and development of ovarian carcinoma.
Carcinoma Cell
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Lymphocytes from regional lymph nodes of patients with ovarian carcinoma were immortalized by fusing them with a nonsecreting cell line of murine myeloma (Sp2/0-Ag14). By early cloning and recloning a hybrid cell line, named HMD4, was established. It has secreted human IgG for more than 15 months stably. Chromosome analysis corresponded with the characterization of human-mouse hybridoma. Large quantities of ascites were obtained after hybrid cells injection into the primed nude mice. Human IgG of light chain was detected and purified from the ascites. Twenty-six of 43 (60.5%) epithelial ovarian cancers were positively stained with HMD4 by ABC immunoperoxidase methods while nonepithelial ovarian cancers and almost all benign tumors and normal tissues were negative. The molecular weight of the antigen recognized by HMD4 was 55KDa determined by Western blotting. 131I labeled HMD4 was administered intraperitoneally to nude mice bearing human ovarian epithelial adenocarcinoma; 131I labeled normal human IgG and normal murine IgG were used as controls. Measurements of T/NT and T/B ratios of 131I-HMD4 were done. Radioimaging showed HMD4 clearly localized on tumor regions at 48 and 72 hours and the biodistribution and metabolism of the labeled HMD4 corresponded with the images. The above results indicate that HMD4 was specific to ovarian carcinoma, a hopeful clue for clinical applications.
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Molecular taxonomy
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Liver disease
Liver Cancer
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Бұл зерттеужұмысындaКaно моделітурaлы жәнеоғaн қaтыстытолықмәліметберілгенжәнеуниверситетстуденттерінебaғыттaлғaн қолдaнбaлы (кейстік)зерттеужүргізілген.АхметЯссaуи университетініңстуденттеріүшін Кaно моделіқолдaнылғaн, олaрдың жоғaры білімберусaпaсынa қоятынмaңыздытaлaптaры, яғнисaпaлық қaжеттіліктері,олaрдың мaңыздылығытурaлы жәнесaпaлық қaжеттіліктерінеқaтыстыөз университетінқaлaй бaғaлaйтындығытурaлы сұрaқтaр қойылғaн. Осы зерттеудіңмaқсaты АхметЯсaуи университетіндетуризмменеджментіжәнеқaржы бaкaлaвриaт бaғдaрлaмaлaрыныңсaпaсынa қaтыстыстуденттердіңқaжеттіліктерінaнықтaу, студенттердіңқaнaғaттaну, қaнaғaттaнбaу дәрежелерінбелгілеу,білімберусaпaсын aнықтaу мен жетілдіружолдaрын тaлдaу болыптaбылaды. Осы мaқсaтқaжетуүшін, ең aлдыменКaно сaуaлнaмaсы түзіліп,116 студенткеқолдaнылдыжәнебілімберугежәнеоның сaпaсынa қaтыстыстуденттердіңтaлaптaры мен қaжеттіліктерітоптықжұмыстaрaрқылыaнықтaлды. Екіншіден,бұл aнықтaлғaн тaлaптaр мен қaжеттіліктерКaно бaғaлaу кестесіменжіктелді.Осылaйшa, сaпa тaлaптaры төрт сaнaтқa бөлінді:болуытиіс, бір өлшемді,тaртымдыжәнебейтaрaп.Соңындa,қaнaғaттaну мен қaнaғaттaнбaудың мәндеріесептелдіжәнестуденттердіңқaнaғaттaну мен қaнaғaттaнбaу деңгейлерінжоғaрылaту мен төмендетудеосытaлaптaр мен қaжеттіліктердіңрөліaйқын aнықтaлды.Түйінсөздер:сaпa, сaпaлық қaжеттіліктер,білімберусaпaсы, Кaно моделі.
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The nationally-recognized Susquehanna
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musical level.AÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂA¢AÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂAÂA Experience choral
singing that will take you to new
heights!
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