Article

Mossense Polymorphims in Matrix Metalloproteinase Genes and Skin Cancer Risk

Program in Molecular and Genetic Epidemiology, Department of Epidemiology, Harvard School of Public Health, 677 Huntington Avenue, Boston, MA 02115, USA.
Cancer Epidemiology Biomarkers & Prevention (Impact Factor: 4.32). 01/2009; 17(12):3551-7. DOI: 10.1158/1055-9965.EPI-08-0606
Source: PubMed

ABSTRACT Matrix metalloproteinases (MMP) degrade various components of the extracellular matrix, and their overexpression has been implicated in tumor progression. Nonsynonymous single nucleotide polymorphisms (SNPs) lead to amino acid substitutions that can alter the function of the encoded protein. We evaluated the associations of six nonsynonymous SNPs in the MMP3, MMP8, and MMP9 genes with skin cancer risk in a nested case-control study of Caucasians within the Nurses' Health Study among 218 melanoma cases, 285 squamous cell carcinoma (SCC) cases, 300 basal cell carcinoma (BCC) cases, and 870 normal controls. We observed that the MMP9 Arg668Gln polymorphism was significantly associated with a decreased risk of SCC. Compared with the Arg/Arg group, the multivariate odds ratio was 0.67 (95% confidence interval, 0.47-0.97) for the Arg/Gln group and 0.21 (95% confidence interval, 0.05-0.97) for the Gln/Gln group (P(trend) = 0.004). We did not observe any association of this SNP with the risks of melanoma and basal cell carcinoma. No associations were found for other SNPs with skin cancer risk. This study provides evidence for the contribution of the MMP9 Arg668Gln to SCC development.

0 Followers
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Extracellular matrix (ECM) abnormality is implicated in the pathogenesis of schizophrenia. Matrix metalloproteinases (MMPs) mediate the proteolysis of ECM and may play a crucial role in neuronal plasticity. We investigated whether single nucleotide polymorphisms (SNPs) of MMP1 and MMP8 are associated with the development of schizophrenia. We also assessed the relationships between MMP1, MMP8 SNPs and the core symptoms of schizophrenia such as persecutory delusion, auditory hallucinations, affective disturbances, and poor concentration according to the Operation Criteria Checklist for Psychotic Illness (OPCRIT). Three coding SNPs (rs470558, Ala216Ala in MMP1; rs3740938, Leu291Leu and rs1940475, Lys87Glu in MMP8) were selected, and 263 patients and 283 controls were evaluated. SNPStats was used to obtain the odds ratio (OR), 95% confidence intervals (CI), and P value adjusted for age and gender as covariables. Multiple logistic regression models (codominant1, codominant2, dominant, recessive, and log-additive) were employed to analyze genetic data. As a result, the three examined SNPs were not associated with the development of schizophrenia. In the analysis of clinical symptoms, the genotype frequency of rs470558 in MMP1 was associated with auditory hallucinations (P=0.04 in the codominant1 model, P=0.014 in the dominant1 model, and P=0.0066 in the log-additive model). The allele frequency of rs470558 also showed a significant difference between schizophrenia without auditory hallucinations [the auditory hallucination (−) group] and schizophrenia with auditory hallucinations [the auditory hallucination (+) group] (P=0.009, OR= 1.94, 95% CI=1.19-3.28). The A allele frequency of rs470558 was higher in the auditory hallucination (+) group (19.2%) than that in the auditory hallucination (−) group (10.8%). Two MMP8 SNPs (rs3740938 and rs1940475) were not associated with the development and core symptoms of schizophrenia, respectively. These results suggest that the A allele of rs470558 (Ala216Ala) in MMP1 may contribute to the susceptibility to auditory hallucinations of schizophrenia.
    Molecular and Cellular Toxicology 09/2012; 8(3). DOI:10.1007/s13273-012-0036-2 · 0.83 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Matrix metalloproteinase 9 (MMP9) is func-tionally implicated in the process of infarct healing. Several genetic variation of the MMP9 gene have been described, among which the MMP9 Arg668Gln polymorphism. In the pres-ent study, we assessed whether this polymor-phism influences outcome after acute myocar-dial infarction (MI). One thousand forty-nine patients undergoing coronary angiography were genotyped for the MMP9 Arg668Gln poly-morphism by TaqMan allelic discrimination assay. This population included 154 controls, 161 patients with non ST-elevation MI (NSTE-MI), 504 patients with ST-elevation MI (STEMI), and 230 patients with angina. Frequency of the MMP9 Arg668Gln polymor-phism in the global population was 25.1%, and was comparable between all groups. STEMI patients had higher creatine phosphokinase (CPK), troponin T (TnT) and MMP9 plasma levels and had lower ejection fraction (EF) than NSTEMI patients. However, the polymor-phism was not associated with infarct severity as determined by peak CPK and TnT levels, nor with LV remodeling and outcome as assessed by 1-month EF and NYHA class, as well as 2-year mortality. In silico molecular modeling simulations predicted that the MMP9 polymor-phism may decrease MMP9 activity, but this could not be verified by plasma determina-tions. This study investigated for the first time the association between the MMP9 Arg668Gln polymorphism and clinical outcome after acute MI. Our results indicate that the polymorphism does not seem to be associated with clinical outcome and in particular with the develop-ment of left ventricular dysfunction and heart failure.
    08/2011; 1(1). DOI:10.4081/cardiogenetics.2011.e5
  • [Show abstract] [Hide abstract]
    ABSTRACT: Basal cell carcinoma (BCC) of the skin is the most common neoplasm among the Caucasian population of the Western world. Inflammation may result in oxidative stress and contribute to promotion and progression of tumors, including BCC. The role of cytokines, which are inflammatory modulators, in the biology of tumors has been extensively studied and it is well known that they are aberrantly produced by cancer cells, macrophages and other phagocytic cells. Genetic polymorphisms are known in several cytokine genes, which result in altered expression. In the present association study, we investigated the association of 14 functional polymorphisms in 11 cytokines genes with BCC risk in 529 BCC cases and 532 healthy controls. We have also tested the possible interactions between the genetic variants and three known risk factors for BCC: skin complexion, sun effect and skin response to sun exposure. We did not observe any statistically significant association between SNPs and BCC risk. However, we found that, in a subgroup of subjects more prone to skin burns, carriers of at least one copy of the G allele of rs1800629 (TNF) had an increased risk of BCC [odds ratio (OR) = 2.40, 95% confidence interval (CI) 1.38-4.16, P = 0.0005]. Moreover, in subjects less prone to sunburns, we observed that carriers of the C allele of rs1143627 (IL1B) showed a decreased risk (OR = 0.53, 95% CI 0.34-0.82, P = 0.0019). In conclusion, we found that two polymorphisms in inflammatory genes interacting with environmental risk factors could modulate BCC risk.
    Carcinogenesis 08/2011; 32(12):1849-54. DOI:10.1093/carcin/bgr197 · 5.27 Impact Factor
Show more

Preview

Download
0 Downloads
Available from