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Showing content from https://link.springer.com/doi/10.1007/s00595-004-2906-2 below:

Genetic Alterations in Gallbladder Carcinoma

Gallbladder carcinoma is an aggressive cancer associated with a poor prognosis. Unfortunately, the precise molecular mechanisms of development and progression of this highly malignant tumor remain unknown. It is still unclear whether loss of heterozygosity (LOH) plays a significant role in gallbladder carcinogenesis, but recent studies have found a high incidence of LOH at several chromosomes in gallbladder carcinoma. In particular, LOH on chromosomes 1p, 3p, 5p, 8p, 9p, 9q, 13q, 16q, and 17p has been highlighted and LOH on 3p, 9p, 13q, 16q, and 17p has been detected in preneoplastic lesions and in the early phase of gallbladder carcinoma during multistep carcinogenesis. The proto-oncogene, K-ras, is the best known genetic alteration in several human neoplasms, including gallbladder carcinoma. The accumulation of these genetic changes leads to a disruption in cell-cycle regulation and also continuous cell proliferation. We present an overview of K-ras alteration and LOH at several chromosome loci in gallbladder carcinoma. Further studies of the molecular mechanism in gallbladder carcinoma and the delineation of the genetic influence involved should promote our understanding of gallbladder carcinogenesis.

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1. Department of Transplantation and Digestive Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan

   Tamotsu Kuroki, Yoshitsugu Tajima, Kei Matsuo & Takashi Kanematsu

1. Tamotsu Kuroki
2. Yoshitsugu Tajima
3. Kei Matsuo
4. Takashi Kanematsu

Kuroki, T., Tajima, Y., Matsuo, K. et al. Genetic Alterations in Gallbladder Carcinoma. Surg Today 35, 101–105 (2005). https://doi.org/10.1007/s00595-004-2906-2

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• Received: 11 March 2004

• Accepted: 13 July 2004

• Issue Date: February 2005

• DOI: https://doi.org/10.1007/s00595-004-2906-2

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