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Utilization of microsatellites for the analysis of genomic alterations in colorectal cancers in Brazil BJMBR
Fuzikawa,A.K.; Haddad,L.A.; da-Cunha-Melo,J.R.; Brasileiro-Filho,G.; Pena,S.D.J..
Two different pathogenetic mechanisms are proposed for colorectal cancers. One, the so-called "classic pathway", is the most common and depends on multiple additive mutational events (germline and/or somatic) in tumor suppressor genes and oncogenes, frequently involving chromosomal deletions in key genomic regions. Methodologically this pathway is recognizable by the phenomenon of loss of heterozygosity. On the other hand, the "mutator pathway" depends on early mutational loss of the mismatch repair system (germline and/or somatic) leading to accelerated accumulation of gene mutations in critical target genes and progression to malignancy. Methodologically this second pathway is recognizable by the phenomenon of microsatellite instability. The distinction...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Polymerase chain reaction; Colorectal carcinoma; Microsatellite; P53; DCC; Microsatellite instability.
Ano: 1997 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997000800001
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Association of ApoE polymorphisms with prevalent hypertension in 1406 older adults: the Bambuí Health Aging Study (BHAS) BJMBR
Fuzikawa,A.K.; Peixoto,S.V.; Taufer,M.; Moriguchi,E.H.; Lima-Costa,M.F..
Tipo: Info:eu-repo/semantics/article
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008000700015
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Apolipoprotein E polymorphism distribution in an elderly Brazilian population: the Bambuí Health and Aging Study BJMBR
Fuzikawa,A.K.; Peixoto,S.V.; Taufer,M.; Moriguchi,E.H.; Lima-Costa,M.F..
Apolipoprotein E (ApoE) is one of the most extensively studied genes in the context of aging, but there are few population-based studies on ApoE polymorphism in the elderly in developing countries. The objective of the present study was to assess ApoE allele and genotype distribution in a large elderly community-based sample and its association with age, sex and skin color. Participants included 1408 subjects (80.8% of all residents aged ³60 years) residing in Bambuí city, MG, Brazil. The DNA samples were subjected to the polymerase chain reaction amplification, followed by the restriction fragment length polymorphism technique, with digestion by HhaI. Analysis was carried out taking into consideration the six ApoE genotypes (e3/e3, e3/e4, e2/e3, e4/e4,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Apolipoprotein E; Elderly; Prevalence; Brazil.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2007001100002
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Association of ApoE polymorphisms with prevalent hypertension in 1406 older adults: the Bambuí Health Aging Study (BHAS) BJMBR
Fuzikawa,A.K.; Peixoto,S.V.; Taufer,M.; Moriguchi,E.H.; Lima-Costa,M.F..
Apolipoprotein E (ApoE) polymorphism influences lipid metabolism, but its association with arterial hypertension is controversial. The objective of this study was to examine the association between ApoE polymorphism and prevalent hypertension in a large unselected population of older adults. Participants from the baseline of the Bambuí Health Aging Study whose ApoE genes had been genotyped were selected for this study (N = 1406, aged 60-95 years). These subjects represented 80.7% of the total elderly residents in Bambuí city, MG, Brazil. Hypertension was defined as a systolic blood pressure ³140 mmHg and/or a diastolic blood pressure ³90 mmHg, or the use of anti-hypertensive medication. The exposure variable was the ApoE genotype as follows: e3 carriers,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Apolipoprotein E; Hypertension; Low-density lipoprotein cholesterol; Triglycerides; Lipid metabolism.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008000200002
Registros recuperados: 4
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