RGD Reference Report - Matrix metalloproteinase3 and 9 gene promoter polymorphisms: joint action of two loci as a risk factor for coronary artery complicated plaques. - Rat Genome Database

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Matrix metalloproteinase3 and 9 gene promoter polymorphisms: joint action of two loci as a risk factor for coronary artery complicated plaques.

Authors: Pollanen, PJ  Lehtimaki, T  Mikkelsson, J  Ilveskoski, E  Kunnas, T  Perola, M  Penttila, A  Mattila, KM  Nikkari, ST  Syrjakoski, K  Karhunen, PJ 
Citation: Pollanen PJ, etal., Atherosclerosis. 2005 May;180(1):73-8. Epub 2004 Dec 18.
RGD ID: 1580550
Pubmed: PMID:15823277   (View Abstract at PubMed)
DOI: DOI:10.1016/j.atherosclerosis.2004.10.041   (Journal Full-text)

OBJECTIVE: Matrix metalloproteinases 3 and 9 (MMP3 and MMP9) are present in atherosclerotic plaques and co-operate in the degradation of the fibrous cap of the atheroma, leading to fissuring and ultimately to acute coronary thrombosis. The functional genetic polymorphisms in the promoters of MMP3 and MMP9, which lead to low- and high-transcription activity genotypes, have been shown to be associated with myocardial infarction and angiographically measured atherosclerosis individually, whereas their effects in combination are not yet known. In order to assess the two disease loci simultaneously, we investigated the association of combined low and high promoter activity genotypes with different types of coronary lesions in an autopsy cohort of 300 Caucasian males aged 33-69 years (Helsinki Sudden Death Study). METHODS: Genotyping at these loci was performed by PCR, restriction enzyme digestion and minisequencing, and areas of the coronary wall covered with atherosclerotic lesions were measured using computer-assisted morphometry. RESULTS: In analysis of covariance (ANCOVA) with age, body mass index, hypertension, diabetes, smoking and alcohol consumption as covariates, a significant interaction between the MMP3 and MMP9 genotypes was observed on area of complicated lesions (P=0.012). Men with high promoter activity genotypes for both loci had, on average, more than two times larger area of complicated lesions (250%) compared with those men who had low promoter activity genotypes (P=0.008), but these loci showed no association with myocardial infarction. CONCLUSIONS: The joint action of two susceptibility loci, rather than single MMP genes alone, and the particular combination of MMP3 and MMP9 genotypes present at these loci may contribute to heterogeneity in the presentation of atherosclerosis.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
arteriosclerosis  IAGP 1580550; 1580550 RGD 
arteriosclerosis  ISOMMP3 (Homo sapiens)1580550; 1580550 RGD 
arteriosclerosis  ISOMMP9 (Homo sapiens)1580550; 1580550 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Mmp3  (matrix metallopeptidase 3)
Mmp9  (matrix metallopeptidase 9)

Genes (Mus musculus)
Mmp3  (matrix metallopeptidase 3)
Mmp9  (matrix metallopeptidase 9)

Genes (Homo sapiens)
MMP3  (matrix metallopeptidase 3)
MMP9  (matrix metallopeptidase 9)


Additional Information