OBJECTIVE: To examine the role of the -667G/T, -618A/C and -148G/C single nucleotide polymorphisms in the promoter region of the human interleukin (IL) 18 gene in the development of pulmonary tuberculosis (PTB), and its radiographic characteristics and severity. DESIGN: Differences in the allele and genotype distributions of the -667G/T, -618A/C, and -148G/C polymorphisms between 251 patients with PTB and 225 healthy controls, between patients with single- and multilobe involvement, and between patients with and without cavities were explored. Serum IL-18 levels were measured using an enzyme-linked immunosorbent assay. RESULTS: The -148G/G genotype was more common in patients with cavities than in those without (82.8% vs. 70.9%, P = 0.04), but an analogous trend was not observed for the -667G/T and -618A/C genotypes. However, there were no significant differences in allele and genotype distributions between patients with PTB and healthy controls, or between patients with single- and multilobe involvement (P > 0.05). Serum IL-18 levels were higher in patients with cavities (P = 0.01) and in patients with the -148G/G genotype (P = 0.02). CONCLUSION: Considering serum IL-18 levels, the -148G/G genotype is associated with a cavitary formation of PTB rather than its development.
OBJECTIVE: To examine the role of the -667G/T, -618A/C and -148G/C single nucleotide polymorphisms in the promoter region of the humaninterleukin (IL) 18 gene in the development of pulmonary tuberculosis (PTB), and its radiographic characteristics and severity. DESIGN: Differences in the allele and genotype distributions of the -667G/T, -618A/C, and -148G/C polymorphisms between 251 patients with PTB and 225 healthy controls, between patients with single- and multilobe involvement, and between patients with and without cavities were explored. Serum IL-18 levels were measured using an enzyme-linked immunosorbent assay. RESULTS: The -148G/G genotype was more common in patients with cavities than in those without (82.8% vs. 70.9%, P = 0.04), but an analogous trend was not observed for the -667G/T and -618A/C genotypes. However, there were no significant differences in allele and genotype distributions between patients with PTB and healthy controls, or between patients with single- and multilobe involvement (P > 0.05). Serum IL-18 levels were higher in patients with cavities (P = 0.01) and in patients with the -148G/G genotype (P = 0.02). CONCLUSION: Considering serum IL-18 levels, the -148G/G genotype is associated with a cavitary formation of PTB rather than its development.
Authors: Noha A Hassuna; Mohamed El Feky; Aliae A R Mohamed Hussein; Manal A Mahmoud; Naglaa K Idriss; Sayed F Abdelwahab; Maggie A Ibrahim Journal: PLoS One Date: 2021-01-07 Impact factor: 3.240
Authors: Kerri M Malone; Kévin Rue-Albrecht; David A Magee; Kevin Conlon; Olga T Schubert; Nicolas C Nalpas; John A Browne; Alicia Smyth; Eamonn Gormley; Ruedi Aebersold; David E MacHugh; Stephen V Gordon Journal: Microb Genom Date: 2018-03-20