Quantitative analysis of survivin in colorectal adenocarcinoma: increased expression and correlation with telomerase activity

Hum Pathol. 2008 Aug;39(8):1229-33. doi: 10.1016/j.humpath.2008.01.001. Epub 2008 Jun 10.

Abstract

The aims of the present study are to quantitatively analyze survivin expression, its clinicopathologic roles, and correlation with telomerase activity in a large cohort of patients with colorectal adenocarcinoma. Real-time polymerase chain reaction was used to quantitate expression level of survivin messenger RNA and human telomerase reverse transcriptase messenger RNA (telomerase activity) in 51 patients with colorectal adenocarcinomas. The findings were correlated with the clinicopathologic features of patients, which were prospectively collected into a computerized database. Survivin messenger RNA was expressed in all tumor samples. The level of expression in tumor tissues was increased in comparison with matched nontumor mucosa in the same patient (P = .01). The level of expression of survivin was significantly correlated with the level of human telomerase reverse transcriptase expression (P = .008) and size of the colorectal adenocarcinomas (P = .004). Survival of the patients with colorectal adenocarcinoma was associated with the TNM stages (P = .001) and not with the level of expression of survivin. Thus, survivin activity was altered in colorectal adenocarcinoma. The high prevalence of survivin expression and correlation with telomerase activity are important factors for consideration in gene targeting therapy for colorectal adenocarcinoma.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adenocarcinoma / chemistry*
  • Adenocarcinoma / mortality
  • Adenocarcinoma / pathology
  • Adult
  • Aged
  • Aged, 80 and over
  • Biomarkers, Tumor / analysis
  • Colorectal Neoplasms / chemistry*
  • Colorectal Neoplasms / mortality
  • Colorectal Neoplasms / pathology
  • Female
  • Humans
  • Inhibitor of Apoptosis Proteins
  • Male
  • Microtubule-Associated Proteins / analysis*
  • Microtubule-Associated Proteins / genetics
  • Middle Aged
  • Neoplasm Proteins / analysis*
  • Neoplasm Proteins / genetics
  • Polymerase Chain Reaction
  • Prognosis
  • RNA, Messenger / analysis
  • Survival Rate
  • Survivin
  • Telomerase / analysis*
  • Telomerase / genetics

Substances

  • BIRC5 protein, human
  • Biomarkers, Tumor
  • Inhibitor of Apoptosis Proteins
  • Microtubule-Associated Proteins
  • Neoplasm Proteins
  • RNA, Messenger
  • Survivin
  • Telomerase