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[Expressions of survivin and the splice variants survivin-2B and survivin-DeltaEx3 in bladder cancer and their clinical significance]. | LitMetric

AI Article Synopsis

  • The study investigates the role of survivin and its two splice variants, survivin-2B and survivin-DeltaEx3, in bladder transitional cell carcinoma (BTCC), suggesting their significance in cancer development.
  • Researchers analyzed mRNA levels of these proteins in bladder cancer tissues from 60 patients and compared them to non-cancerous tissues, finding that survivin and survivin-DeltaEx3 were positively correlated with cancer progression while survivin-2B was negatively correlated.
  • The findings indicate that measuring the expression of these proteins could be useful in assessing tumor progression and potential recurrence in bladder cancer patients.

Article Abstract

Background And Objective: Studies on survivin over the past 5 years have shown that survivin participates in the genesis of several human cancers, including bladder cancer. Recent studies have indicated that survivin splice variants appeared to have unique subcellular localizations and functions as well. This study was to explore the roles of survivin and its two splice variants survivin-2B and survivin-DeltaEx3 in transitional cell carcinoma of bladder (BTCC).

Methods: The relative amount of survivin, survivin-2B, and survivin-DeltaEx3 mRNA of fresh carcinoma tissues from 60 patients with BTCC and 12 non-cancerous bladder tissues were detected by real-time quantitative reverse transcription polymerase chain reaction (RT-PCR), and the relationships of their expression levels in different pathologic grades to clinical stages of bladder cancer were analyzed. The time of follow-up was 4-24 months.

Results: Survivin, survivin-2B, and survivin-DeltaEx3 mRNA were detected in all BTCC tissues, and their relative expressions were 0.333+/-0.163, 0.056+/-0.017, and 0.124+/-0.096, respectively. In the control group,three and four samples expressed survivin and survivin-DeltaEx3 mRNA respectively, and all samples expressed survivin-2B mRNA. The expressions of survivin and survivin-DeltaEx3 mRNA were positively correlated with the pathologic grades and clinical stages (0 < r 's < 1,P < 0.05), however, survivin-2B mRNA was negatively correlated with those (-1 < r 's < 0, P < 0.05).

Conclusion: Detecting the expression levels of survivin and its two splice variants survivin-2B and survivin-DeltaEx3 mRNA in BTCC by real-time PCR could have potential values to evaluate tumor progression and recurrence rate.

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Source
http://dx.doi.org/10.5732/cjc.008.10650DOI Listing

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