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Qing-Yuan Liu, Ke-Feng Dou, Department of Hepato-Biliary Surgery of Xijing hospital, Fourth Military Medical University, Xi'an 710033, Shaanxi Province, China
Jin-Shan Zhang, Lan Sun, Yuan-Qiang Zhang, Teaching and Research Section of Histology and Embryology, Fourth Military Medical University, Xi'an 710032, Shaanxi Province, China
Lu-Yu Huang, Institute of Orthopaedics of Chinese PLA, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, Shaanxi Province, China
Supported by the National Natural Science Foundation of China, No. 39900142
Correspondence to: Jin-Shan Zhang, Teaching and Research Sectiont of Histology and Embryology, Fourth Military Medical University, 169 Changle West Road, Xi'an 710032, China. jszhang@fmmu.edu.cn
Received: April 15, 2003 Revised: May 10, 2003 Accepted: June 2, 2003 Published online: September 15, 2003
AIM
To induce apoptosis of human cultured hepatocellular carcinoma (HCC) cell line SMMC-7721 by GnRH-analog alarelin, and to provide the experimental evidence for GnRH-A in endocrinotherapy of HCC.
METHODS
MTT assay, transmission electron microscopy and DNA end labeling method were used to identify apoptosis of cultured human hepatocellular carcinoma cells treated by alarelin.
RESULTS
SMMC-7721 cell line was induced by alarelin in 10-9 mol/L concentration. The induction of apoptosis was dose-effect dependent. Under electron microscopy we could identify the earlier and later stage of apoptotic cells, and chromatin condensation, as well as apoptosis body formation. DNA end labeling method showed that alarelin could induce apoptosis of HCC cells (0.29±0.06 vs 0.11±0.03), and their apoptosis body formations were observed. Compared with control group, the TUNEL index was increased significantly in alarelin treated groups (P <0.05).
CONCLUSION
GnRH-analog alarelin can induce apoptosis of cultured human HCC cell line SMMC-7721, and it plays a potential role in the treatment of human HCC.
Key Words: N/A
Citation: Liu QY, Dou KF, Zhang JS, Sun L, Huang LY, Zhang YQ. Gonadotropin hormone-releasing hormone analog induces apoptosis in human hepatocarcinoma cell in vitro. Shijie Huaren Xiaohua Zazhi 2003; 11(9): 1329-1332
Kikkawa F, Kajiyama H, Ino K, Watanabe Y, Ito M, Nomura S, Itakura A, Tsujimoto M, Mizutani S. Possible involvement of placental peptidases that degrade gonadotropin-releasing hormone (GnRH) in the dynamic pattern of placental hCG secretion via GnRH degradation.Placenta. 2002;23:483-489.
[PubMed] [DOI]
Guo XZ, Shao XD, Xu JH, Zhao JJ, Li HY, Wang D. Expression of bcl-xL mRNA in hepatocarcinoma.Shijie Huaren Xiaohua Zazhi. 2002;10:530-532.
[PubMed] [DOI]
Zheng JY, Li KZ, Wang WZ. Impact of the expression of p27KIP1 on apoptosis and progression of hepatocellular carcinoma.Shijie Huaren Xiaohua Zazhi. 2002;10:883-886.
[PubMed] [DOI]
Hu ZY, Hu XQ, Zhu SN, Gu YH. Expression of smad2/3 in experimental rat hepatocellular carcinoma.Shijie Huaren Xiaohua Zazhi. 2002;10:283-286.
[PubMed] [DOI]
Hu PZ, Zhang CS, Ma FC, Yang SJ, Wang WL. Expressions of cyclin- dependent kinase inhibitor P21WAF1/CIP1 and PCNA in human hepatocellular c arcinoma.Shijie Huaren Xiaohua Zazhi. 2002;10:145-148.
[PubMed] [DOI]
Qian J, Truebenbach J, Graepler F, Pereira P, Huppert P, Eul T, Wiemann G, Claussen C. Application of poly-lactide-co-glycolide-microspheres in the transarterial chemoembolization in an animal model of hepatocellular carcinoma.World J Gastroenterol. 2003;9:94-98.
[PubMed] [DOI]
Liao C, Zhao MJ, Zhao J, Song H, Pineau P, Marchio A, Dejean A, Tiollais P, Wang HY, Li TP. Mutation analysis of novel human liver-related putative tumor suppressor gene in hepatocellular carcinoma.World J Gastroenterol. 2003;9:89-93.
[PubMed] [DOI]
Ou-Yang GL, Li QF, Peng XX, Liu QR, Hong SG. Effects of tachyplesin on proliferation and differentiation of human hepatocellular carcinoma SMMC-7721 cells.World J Gastroenterol. 2002;8:1053-1058.
[PubMed] [DOI]
Wang X, Liu FK, Li X, Li JS, Xu GX. Retrovirus-mediated gene transfer of human endostatin inhibits growth of human liver carcinoma cells SMMC7721 in nude mice.World J Gastroenterol. 2002;8:1045-1049.
[PubMed] [DOI]
Zeng WJ, Liu GY, Xu J, Zhou XD, Zhang YE, Zhang N. Pathological characteristics, PCNA labeling index and DNA index in prognostic evaluation of patients with moderately differentiated hepatocellular carcinoma.World J Gastroenterol. 2002;8:1040-1044.
[PubMed] [DOI]
Jin J, Huang M, Wei HL, Liu GT. Mechanism of 5-fluorouracil required resistance in human hepatocellular carcinoma cell line Bel(7402).World J Gastroenterol. 2002;8:1029-1034.
[PubMed] [DOI]
Chen Q, Yang GW, An LG. Apoptosis of hepatoma cells SMMC-7721 induced by Ginkgo biloba seed polysaccharide.World J Gastroenterol. 2002;8:832-836.
[PubMed] [DOI]
Zhang RG, Guo LX, Wang XW, Xie H. Telomerase inhibition and telomere loss in BEL-7404 human hepatoma cells treated with doxorubicin.World J Gastroenterol. 2002;8:827-831.
[PubMed] [DOI]
Niu ZS, Li BK, Wang M. Expression of p53 and C-myc genes and its clinical relevance in the hepatocellular carcinomatous and pericarcinomatous tissues.World J Gastroenterol. 2002;8:822-826.
[PubMed] [DOI]
Yin H, Cheng KW, Hwa HL, Peng C, Auersperg N, Leung PC. Expression of the messenger RNA for gonadotropin-releasing hormone and its receptor in human cancer cell lines.Life Sci. 1998;62:2015-2023.
[PubMed] [DOI]
Nechushtan A, Yarkoni S, Marianovsky I, Lorberboum-Galski H. Adenocarcinoma cell are targeted by the new GnRH-PE66 chimeric toxin through specific gonadotropin-releasing hormone binding sites.J Biol Chem. 1997;272:11597-11603.
[PubMed] [DOI]
Mittan D, Lee S, Miller E, Perez RC, Basler JW, Bruder JM. Bone loss following hypogonadism in men with prostate cancer treated with GnRH analogs.J Clin Endocrinol Metab. 2002;87:3656-3661.
[PubMed] [DOI]
Yang WH, Wieczorck M, Allen MC, Nett TM. Cytotoxic activity of gonadotropin-releasing hormone (GnRH)-pokeweed antiviral protein conjugates in cell lines expressing GnRH receptors.Endocrinology. 2003;144:1456-1463.
[PubMed] [DOI]
Zhang J, Huang G, Huang W. Gonadotropin releasing hormone and its receptor in the tissue of human hepatocellular carcinoma.Zhonghua Yixue Zazhi. 1998;78:343-346.
[PubMed] [DOI]
Tian G, Yu JP, Luo HS, Yu BP, Yue H, Li JY, Mei Q. Effect of nimesulide on proliferation and apoptosis of human hepatoma SMMC-7721 cells.World J Gastroenterol. 2002;8:483-487.
[PubMed] [DOI]
Li MS, Li PF, He SP, Du GG, Li G. The promoting molecular mechanism of alpha-fetoprotein on the growth of human hepatoma Bel7402 cell line.World J Gastroenterol. 2002;8:469-475.
[PubMed] [DOI]
Wang FS, Liu MX, Zhang B, Shi M, Lei ZY, Sun WB, Du QY, Chen JM. Antitumor activities of human autologous cytokine-induced killer (CIK) cells against hepatocellular carcinoma cells in vitro and in vivo.World J Gastroenterol. 2002;8:464-468.
[PubMed] [DOI]
Yang JY, Luo HY, Lin QY, Liu ZM, Yan LN, Lin P, Zhang J, Lei S. Subcellular daunorubicin distribution and its relation to multidrug resistance phenotype in drug-resistant cell line SMMC-7721/R.World J Gastroenterol. 2002;8:644-649.
[PubMed] [DOI]
Pati D, Habibi HR. Inhibition of human hepatocarcinoma cell proliferation by mammalian and fish gonadotropin-releasing hormons.Endocrinology. 1995;136:75-84.
[PubMed] [DOI]
Westphalen S, Kotulla G, Kaiser F, Krauss W, Werning G, Elsasser HP, Nagy A, Schulz KD, Grundker C, Schally AV. Receptor mediated antiproliferative effects of the cytotoxic LHRH agonist AN-152 in human ovarian and endometrial cancer cell lines.Int J Oncol. 2000;17:1063-1069.
[PubMed] [DOI]