TCF7L2 gene polymorphisms do not predict susceptibility to diabetes in tropical calcific pancreatitis but may interact with SPINK1 and CTSB mutations in predicting diabetes
2008

TCF7L2 Gene Variants and Diabetes in Tropical Calcific Pancreatitis

Sample size: 1139 publication Evidence: low

Author Information

Author(s): Mahurkar Swapna, Bhaskar Seema, Reddy D Nageshwar, Prakash Swami, Rao G Venkat, Singh Shivaram Prasad, Thomas Varghese, Chandak Giriraj Ratan

Primary Institution: Centre for Cellular and Molecular Biology

Hypothesis

TCF7L2 variants should show similar association if diabetes in FCPD is similar to T2D.

Conclusion

TCF7L2 variants are not associated with diabetes in TCP, suggesting that diabetes in TCP patients may not be similar to T2D.

Supporting Evidence

  • No significant association of TCF7L2 SNPs was observed with TCP or FCPD.
  • The minor allele frequency for rs7903146 was different between TCP and FCPD patients carrying the N34S SPINK1 variant but did not reach statistical significance.
  • A statistically significant association was found between TCF7L2 variants and FCPD patients carrying the L26V allele.

Takeaway

The study looked at whether certain gene variations are linked to diabetes in people with a specific type of pancreatitis, but found no connection.

Methodology

Analyzed two TCF7L2 polymorphisms in 478 TCP patients and 661 healthy controls using direct sequencing and chi-square tests.

Limitations

The study may need to be replicated in larger sample sizes due to the possibility of chance associations.

Participant Demographics

478 TCP patients (320 males, 158 females) and 661 healthy controls (332 males, 329 females) from Dravidian and Indo-European ethnicities.

Statistical Information

P-Value

0.09 for rs7903146, 0.013 for L26V CTSB

Confidence Interval

95% CI = 0.93–2.70 for rs7903146, 95% CI = 1.11–2.56 for L26V CTSB

Statistical Significance

p>0.05

Digital Object Identifier (DOI)

10.1186/1471-2350-9-80

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