PMID- 18384488 OWN - NLM STAT- MEDLINE DCOM- 20080728 LR - 20131121 IS - 0001-2815 (Print) IS - 0001-2815 (Linking) VI - 71 IP - 6 DP - 2008 Jun TI - Lymphotoxin alpha LTA+496C allele is a risk factor for periodontitis in patients with coronary artery disease. PG - 530-7 LID - 10.1111/j.1399-0039.2008.01038.x [doi] AB - Periodontitis and coronary artery disease (CAD) are inflammatory diseases and associated with each other. The major histocompatibility complex (MHC) region carries genes involved in immune response and inflammation. We investigated whether the MHC genes correlate with the presence of periodontitis or with the occurrence of periodontal pathogens in patients with CAD. Blood and saliva samples from CAD patients (n = 106) were collected at the time of hospitalization. Nine MHC genetic markers [human leukocyte antigen (HLA)-A, HLA-B, HLA-DRB1, lymphotoxin alpha (LTA) +253(a/g), +496(C/T), +633(c/g), +724(C/A), C4A and C4B)] were typed. Based on panoramic tomography, patients were categorized into nonperiodontitis and periodontitis groups. Two major periodontal pathogens, Aggregatibacter (Actinobacillus) actinomycetemcomitans and Porphyromonas gingivalis, were cultivated and polymerase chain reaction-amplified from salivary samples. Serum immunoglobulin (Ig)A and IgG antibody levels to these pathogens were measured. In the univariate analysis, LTA+496C allele (OR = 5.29; 95% CI = 2.07-13.51, P = 0.00027), and the occurrence of P. gingivalis in saliva (OR = 4.74; 95% CI = 1.64-13.70; P = 0.002) were more frequent in periodontitis when compared with nonperiodontitis. Similarly, serum IgA antibody level against the pathogen was increased in periodontitis (P = 0.048). In the multiple logistic regression analysis, when a wide range of covariates was included, the LTA+496C allele (OR = 10.87; 95% CI = 3.23-36.60; P = 0.00012) and the elevated serum IgA antibody level against P. gingivalis (OR = 1.56; 95% CI = 1.05-2.30; P = 0.026) remained as significant risk factors for periodontitis. In conclusion, the major finding of this study is that the LTA+496C allele is associated with periodontitis in patients with CAD. FAU - Palikhe, A AU - Palikhe A AD - Department of Medicine, Helsinki University Central Hospital, Helsinki, Finland. FAU - Lokki, M-L AU - Lokki ML FAU - Pussinen, P J AU - Pussinen PJ FAU - Paju, S AU - Paju S FAU - Ahlberg, J AU - Ahlberg J FAU - Asikainen, S AU - Asikainen S FAU - Seppanen, M AU - Seppanen M FAU - Valtonen, V AU - Valtonen V FAU - Nieminen, M S AU - Nieminen MS FAU - Sinisalo, J AU - Sinisalo J LA - eng PT - Journal Article PT - Multicenter Study PT - Research Support, Non-U.S. Gov't DEP - 20080402 PL - England TA - Tissue Antigens JT - Tissue antigens JID - 0331072 RN - 0 (Antibodies, Bacterial) RN - 0 (Genetic Markers) RN - 0 (HLA Antigens) RN - 0 (Immunoglobulin A) RN - 0 (Immunoglobulin G) RN - 0 (Lymphotoxin-alpha) SB - IM MH - Aggregatibacter actinomycetemcomitans MH - *Alleles MH - Antibodies, Bacterial/blood MH - Coronary Artery Disease/blood/complications/*genetics/microbiology MH - Female MH - Genetic Markers MH - *Genetic Predisposition to Disease MH - HLA Antigens/genetics/metabolism MH - Humans MH - Immunoglobulin A/blood MH - Immunoglobulin G/blood MH - Inflammation/blood/etiology/genetics/microbiology MH - Lymphotoxin-alpha/blood/*genetics MH - Male MH - Middle Aged MH - Periodontitis/blood/etiology/*genetics/microbiology MH - Porphyromonas gingivalis MH - Risk Factors MH - Saliva/metabolism EDAT- 2008/04/04 09:00 MHDA- 2008/07/29 09:00 CRDT- 2008/04/04 09:00 PHST- 2008/04/04 09:00 [pubmed] PHST- 2008/07/29 09:00 [medline] PHST- 2008/04/04 09:00 [entrez] AID - TAN1038 [pii] AID - 10.1111/j.1399-0039.2008.01038.x [doi] PST - ppublish SO - Tissue Antigens. 2008 Jun;71(6):530-7. doi: 10.1111/j.1399-0039.2008.01038.x. Epub 2008 Apr 2.