OBJECTIVES: To validate C/T(-13910) polymorphism associated with primary hypolactasia for clinical practice. DESIGN AND METHODS: Lactose breath test and PCR-RFLP for the C/T(-13910) polymorphism were performed. RESULTS: Twenty-seven of 28 patients with genotype CC had positive breath tests; all twenty-two patients with genotypes CT or TT had negative breath tests. Agreement of tests was high (p<0.0001; Kappa Index 0.96). CONCLUSION: C/T(-13910) polymorphism detection may be a new tool for primary hypolactasia diagnosis.
OBJECTIVES: To validate C/T(-13910) polymorphism associated with primary hypolactasia for clinical practice. DESIGN AND METHODS: Lactose breath test and PCR-RFLP for the C/T(-13910) polymorphism were performed. RESULTS: Twenty-seven of 28 patients with genotype CC had positive breath tests; all twenty-two patients with genotypes CT or TT had negative breath tests. Agreement of tests was high (p<0.0001; Kappa Index 0.96). CONCLUSION: C/T(-13910) polymorphism detection may be a new tool for primary hypolactasia diagnosis.
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