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2.
Br J Dermatol ; 174(3): 562-8, 2016 Mar.
Article in English | MEDLINE | ID: mdl-26471493

ABSTRACT

BACKGROUND: Darier disease (DD) is a rare genodermatosis caused by heterozygous mutations in the ATP2A2 gene. It has been associated with neuropsychiatric manifestations. OBJECTIVES: To investigate the genetic basis of Israeli patients with DD, and its association with the neuropsychiatric phenotype. METHODS: A cohort of 32 families comprising 74 affected individuals and 13 unaffected family members was recruited from the Haemek Dermatology Department and other dermatology clinics in Israel. The individuals were evaluated by detailed questionnaires, physical examination and genetic analysis. The main outcome measures were genetic mutations, psychiatric profile and their association. RESULTS: Twenty-three mutations in ATP2A2 were scattered over the entire gene, 14 of them novel. Two families shared the same mutation. Twenty-one patients (28%) had a history of psychiatric disorders, most of them mood disorders. Another seven patients (9%) were highly suspected of having a psychiatric disorder; 21 (28%) reported suicidal thoughts and five (7%) had attempted suicide. The psychiatric phenotype demonstrated inter- and intrafamilial variability, and was not associated with disease severity, family history of psychiatric disease or mutation location. CONCLUSIONS: The cohort demonstrated genetic heterogeneity with no mutation cluster along the gene, and a high prevalence of psychiatric disorders. Although no clear genotype-phenotype correlation was found, the results point to a major effect of genetic background on psychiatric phenotype, together with other modifiers.


Subject(s)
Darier Disease/genetics , Mental Disorders/genetics , Adult , Darier Disease/ethnology , Exons/genetics , Female , Heterozygote , Humans , Israel/ethnology , Male , Mental Disorders/ethnology , Mutation/genetics , Neurologic Examination , Phenotype , Sarcoplasmic Reticulum Calcium-Transporting ATPases/genetics
3.
Ann Hum Genet ; 72(Pt 6): 732-41, 2008 Nov.
Article in English | MEDLINE | ID: mdl-18637884

ABSTRACT

Although Cholesteryl Ester Transfer Protein (CETP) mediates the transfer of cholesteryl esters and triglycerides between lipoprotein particles and thus plays a crucial role in reverse cholesterol transport, the association of variations in the CETP gene with acute myocardial infarction (MI) remains unclear. In this study we examined whether common genetic variation in the CETP gene is related to early-onset non-fatal MI risk in a population-based case-control study from western Washington State. Genotyping for the CETP -2708 G/A, -971 A/G, -629 A/C, Intron-I TaqI G/A and exon-14 A/G (I405V) SNPs was performed in 578 cases with first acute non-fatal MI and in 666 demographically similar controls, free of clinical cardiovascular disease, identified randomly from the community. In-person interviews and non-fasting blood specimens provided data on coronary heart disease risk factors. In men, there was little evidence for an association between single SNPs and MI risk, but in women the age- and race-adjusted OR was found to be significant in 4 out of the 5 CETP single variants. Haplotype analysis revealed two haplotypes associated with MI risk among men. As compared to men homozygous for the most common haplotype D (-2708 G, -971 G, -629 C, TaqI G and exon-14 A), the fully-adjusted multiplicative model identified haplotype G (-2708 G, -971 A, -629 A, TaqI G and exon-14 G) was associated with a 4.0-6.0-fold increased risk of MI for each additional copy; [95%CI 2.4-14.8] and haplotype B (-2708 G, -971 G, -629 A, TaqI A and exon-14 A) showed a significant decreased risk for early onset MI [OR = 0.18; 95%CI 0.04 - 0.75]. An evolutionary-based haplotype analysis indicated that the two haplotypes associated with the MI risk are most evolutionarily divergent from the other haplotypes. Variation at the CETP gene locus is associated with the risk of early-onset non-fatal MI. This association was found to be independent of HDL-C levels. These data and the sex-specific findings require confirmation in other populations.


Subject(s)
Cholesterol Ester Transfer Proteins/genetics , Genetic Predisposition to Disease , Myocardial Infarction/genetics , Adolescent , Adult , Case-Control Studies , Female , Haplotypes , Humans , Male , Middle Aged , Myocardial Infarction/epidemiology , Polymorphism, Single Nucleotide , Risk Factors , Sex Factors , Washington/epidemiology
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