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Table 3 H. pylori and its virulence genes in tumor and adjacent tissue of patients with gastric cancer

From: Helicobacter pylori vacA s1m1 genotype but not cagA or babA2 increase the risk of ulcer and gastric cancer in patients from Southern Mexico

Patient

Adjacent tissue n = 13

Tumor n = 13

rRNA 16S H. pylori

vacA

cagA

babA2

rRNA 16S H. pylori

vacA

cagA

babA2

 

s

m

   

s

m

  

IEC02

Negative

    

Negative

    

IEC03

Positive

s1

m1

+

+

Positive

s1

m1

+

+

IEC04

Negative

    

Negative

    

IEC05

Positive

s1

m1

+

Positive

s1

m1

+

IEC07

Negative

    

Negative

    

IEC10

Positive

s1

m1

Negative

IEC11

Positive

s2

m2

+

Positive

s2

m2

+

IEC12

Positive

s1

m1

+

+

Negative

IEC16

Positive

s1

m1

+

+

Positive

s1

m1

+

+

IEC17

Positive

s1

m1

+

+

Positive

s1

m1

+

+

IEC19

Positive

s2

m2

Positive

s2

m2

IEC 20

Negative

    

Negative

    

IEC 21

Positive

s1

m1

+

+

Positive

s1

m1

+

+

Total

13

9

9

6

6

13

7

7

5

5

  1. The italic text refers to genes and alleles s or m of vacA of H. pylori