[Relationship between genetic polymorphism of MCP-1 and acute pancreatitis in Han population of Suzhou in China].
OBJECTIVE
To study the relationship between monocyte chemoattractant protein-1 gene (MCP-1) -2518A/G polymorphism and acute pancreatitis (AP) in the Han population of Suzhou, China.


METHODS
The polymorphisms were detected with polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). The genotypes and allele frequencies of MCP-1 -2518A/G were calculated and analyzed in 101 AP patients including 78 mild AP (MAP) patients and 23 severe AP (SAP) patients, and 120 healthy individuals as control group.


RESULTS
The frequency of MCP-1 -2518 AA genotype in control group was significantly higher than that in SAP and MAP groups (P < 0.01). People with AG and GG genotypes had 5.896 times risk of developing MAP (P < 0.01, OR=5.896) compared with people with AA genotype. Subjects carrying G allele were at a 7-fold elevated risk for SAP (P < 0.05, OR=7.011) contrasted with subjects carrying AA genotype. However, no difference in AA genotypic distribution was noted between MAP and SAP groups (chi square=0.006, P=0.997). The frequency of G allele in healthy controls was obviously lower than that in MAP (P < 0.01, OR=0.318) and SAP groups (P < 0.01, OR=0.309). No difference of G allele frequency was found between SAP group and MAP group (P=0.623, OR=1.211).


CONCLUSIONS
The MCP-1 -2518 AA genotype of the population in Suzhou may be a protective genotype of AP. People with higher frequency of G allele is more likely to suffer from AP. Nonetheless, the genotype of AA and the frequency of G allele couldn't predict the risk of SAP.
Nie
Jin-shan
JS
Department of Gastroenterology, the First Affiliated Hospital, Soochow University, Suzhou, Jiangsu, 215006 PR China.
Chen
Wei-chang
WC
D044466:Asian People / Q000235:genetics*; D016022:Case-Control Studies; D018932:Chemokine CCL2 / Q000235:genetics*; D002681:China / Q000208:ethnology; D005006:Ethnicity / Q000235:genetics*; D005260:Female; D005787:Gene Frequency; D005838:Genotype; D006801:Humans; D008297:Male; D008875:Middle Aged; D010195:Pancreatitis / Q000235:genetics*; D020641:Polymorphism, Single Nucleotide
C111835:CCL2 protein, human; D018932:Chemokine CCL2