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Ovarian cancer dpp

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https://www.readbyqxmd.com/read/27153830/human-dipeptidyl-peptidase-iii-mrna-variant-i-and-ii-are-expressed-concurrently-in-multiple-tumor-derived-cell-lines-and-translated-at-comparable-efficiency-in-vitro
#1
Subhash C Prajapati, Shyam S Chauhan
Dipeptidyl peptidase III (DPP III) is an emerging biomarker of human cancers. Expression, specificity, and function of human DPP III (hDPP III) mRNA variant I (V-I), II (V-II), and III (V-III) are poorly understood. Here, we investigated expression of these variants in multiple human tumor derived cell lines. DNA sequencing revealed concurrent expression of hDPP III V-I and V-II in U87MG (glioblastoma), SCC4 (squamous cell carcinoma), SiHa (carcinoma of uterus) cells. In SKOV1 cells, a cell line derived from ovarian carcinoma where a positive correlation between histological aggressiveness of the malignancy and hDPP III expression has previously been established, only V-II could be detected...
June 2016: Molecular Biology Reports
https://www.readbyqxmd.com/read/24460275/effect-of-diallyl-trisulfide-on-human-ovarian-cancer-skov-3-ddp-cell-apoptosis
#2
Hui-Fang Wan, Le-Han Yu, Jin-Lan Wu, Shuo Tu, Wie-Feng Zhu, Xia-Li Zhang, Fu-Sheng Wan
AIM: To investigate the effects of diallyl trisulfide (DT) on apoptosis of cisplatin (DDP)-resistant human epithelial ovarian cancer SKOV-3 cells (SKOV-3/DDP), and the role of p53 upregulated modulator of apoptosis (PUMA). METHODS: SKOV-3/DDP cells were randomly divided into control, DT, DPP and DPP+DT groups, which were treated with DT or combined DT and DDP. All cells were incubated for 48 h. and apoptosis rates were assessed by flow cytometry. mRNA and protein expression of PUMA, Bax and Bcl-2 was determined by RT-PCR and Western blot assays, respectively...
2013: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/21469604/determination-of-free-cisplatin-in-medium-by-differential-pulse-polarography-after-ultrasound-and-cisplatin-treatment-of-a-cancer-cell-culture
#3
Vladan Bernard, Lukás Fojt, Jirina Skorpíková, Vojtĕch Mornstein
The in vitro study was carried out for detection of the cisplatin in free form and in culture medium, depending on various conditions of sonodynamic human ovarian cancer cells A2780 treatment by differential pulse polarography (DPP). For sonodynamic treatment, we used cisplatin alone and combined cisplatin/ultrasound treatments. The ultrasound exposure intensity of 1.0 and 2.0 W x cm(-2) in far field for incubation periods 1, 24 and 48 h was used. The parameters of DPP measurements were--1 s drop time, 5 mV x s(-1) voltage scan rate, 50 mV modulation amplitude and negative scanning direction; platinum wire served as counter electrode and Ag/AgCl/3 M KCl as reference electrode...
February 2011: Indian Journal of Biochemistry & Biophysics
https://www.readbyqxmd.com/read/18284453/total-tissue-lactate-dehydrogenase-activity-in-endometrial-carcinoma
#4
S Simaga, M Abramić, M Osmak, D Babić, J Ilić-Forko
Lactate dehydrogenase (LDH) is essential for continuous glycolysis necessary for accelerated tumor growth. The aim of this study was to reconsider if assay of total tissue activity of this enzyme could be useful as marker for endometrial carcinoma (EC). Activity of LDH was measured spectrophotometrically in homogenate supernatants of uterine tissue samples of 40 patients (10 normal endometria, 27 normal myometria, and 33 EC), including 30 matched pairs. Data obtained were analyzed in relation to clinical and histopathologic findings and compared with our previously published results on the tissue levels of the same enzyme in ovarian cancer and on the proteolytic activity of dipeptidyl peptidase III (DPP III) in EC (suggested biochemical indicator of this malignancy)...
November 2008: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/14529681/tumor-cytosol-dipeptidyl-peptidase-iii-activity-is-increased-with-histological-aggressiveness-of-ovarian-primary-carcinomas
#5
Sumski Simaga, Damir Babić, Maja Osmak, Marina Sprem, Marija Abramić
OBJECTIVE: Proteolytic enzymes have been implicated in the progression of various human malignancies, including ovarian cancer. The enhanced expression of dipeptidyl peptidase III (DPP III) was found in endometrial carcinomas of various histological types and grade. The aim of this study was to assess activity of DPP III in ovarian tissue specimens and to correlate it with clinico-pathological data. METHODS: DPP III hydrolytic activity toward Arg-Arg-2-naphthylamide was determined in 108 ovarian tissue cytosol specimens of 79 patients...
October 2003: Gynecologic Oncology
https://www.readbyqxmd.com/read/9640230/dipeptidyl-peptidase-iii-in-malignant-and-non-malignant-gynaecological-tissue
#6
S Simaga, D Babić, M Osmak, J Ilić-Forko, L Vitale, D Milicić, M Abramić
Exopeptidases, in contrast to endopeptidases (proteinases) have been much less studied in relation to cancer. The aim of this study was to investigate one such enzyme, dipeptidyl peptidase III (DPP III), in gynaecological tissues, by measuring both the enzyme activity and enzyme content. DPP III activity was assessed in normal (n = 65), benign (n = 9) and malignant (n = 51) gynaecological tissues. A statistically significant higher DPP III activity was observed in endometrial (n = 40, P = 4.6 x 10(-7)) and ovarian (n = 11, P = 8...
February 1998: European Journal of Cancer
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