Review Article

Association of Helicobacter pylori Infection and Host Cytokine Gene Polymorphism with Gastric Cancer

Table 1

Association between frequencies of some important cytokine SNP genotypes and premalignant gastric lesions.

SNPVariant genotypesVariable genotype frequency (%) in premalignant gastric lesions vs. controlPremalignant gastric lesionsReferences

TNF-α-308GA
AA
15 (29.4)/22 (20.4)
0 (0)/3 (2.8)
Chronic atrophic gastritis susceptibility[88]
IL-1B-511CT
TT
18 (35.3)/53 (49.1)
3 (5.9)/13 (12.0)
Chronic atrophic gastritis susceptibility
IL-1RNL/2
2/2
15 (29.4)/32 (29.6)
2 (3.9)/13 (12.0)
Chronic atrophic gastritis susceptibility

TNF-α-308GA
AA
125 (23.4)/129 (24.2)
13 (2.4)/8 (1.5)
Chronic atrophic gastritis susceptibility[89]
IL-10 T-819CTC
CC
200 (37.5)/199 (37.3)
44 (8.2)/28 (5.2)
Chronic atrophic gastritis susceptibility
IL-10 A-1082GAG
GG
246 (46.1)/262 (49.1)
109 (20.4)/116 (21.7)
Chronic atrophic gastritis susceptibility

IL-10-1082AA
GA
35 (60.3)/81 (49.1)
17 (29.3)/56 (33.9)
Atrophic gastritis risk[90]
AA
GA
17 (54.8)/99 (51.6)
10 (32.3)/63 (32.8)
Corpus atrophic gastritis risk
AA
GA
12 (52.2)/104 (46/6)
10 (43.5)/63 (28.3)
Intestinal metaplasia risk
IL-10-592AA
CA
8 (13.8)/12 (7.3)
19 (32.8)/58 (35.1)
Atrophic gastritis risk
AA
CA
4 (12.9)/16 (8.3)
10 (32.3)/67 (34.9)
Corpus atrophic gastritis risk
AA
CA
4 (17.4)/16 (7.2)
8 (34.8)/69 (30.9)
Intestinal metaplasia risk

IL10–1082AG
AA
102 (35.3)/406 (37.5)
142 (49.1)/508 (46.9)
Atrophic gastritis risk[91]
AG
AA
201 (37.0)/406 (37.5)
274 (50.5)/508 (46.9)
Intestinal metaplasia risk
AGa
AAa
51 (43.2)/406 (37.5)
60 (50.8)/508 (46.9)
Dysplasia risk

IL-10-1082AG
GG
15 (12.9)/18 (7.8)
0 (0)/1 (0.4)
Atrophic gastritis susceptibility[92]
IL-10-819CT
CC
47 (40.5)/104 (44.8)
28 (24.1)/36 (15.5)
Atrophic gastritis susceptibility
IL-10-592AC
CC
46 (39.7)/96 (41.4)
31 (26.7)/52 (22.4)
Atrophic gastritis susceptibility

IL-10-819CT
TT
55 (41.9)/21 (55.3)
10 (7.6)/6 (15.8)
Gastritis[93]
IL-10-819CT
TT
21 (42.9)/21 (55.3)
5 (10.2)/6 (15.8)

Relative frequencies (%) are mentioned in relation to the size of each of the two groups (cases and control group); .