Database : HANSEN Search on : CROMOSSOMOS HUMANOS PAR 17/GENET [Subject descriptor] References found : 2 [refine] Displaying: 1 .. 2   in format [Detailed]

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Id: 18388 Author: Jamieson, S. E; Miller, E. N; Black, G. F; Peacock, C. S; Cordel, H. J; Howson, J. M. M; Shaw, M. A; Burgner, D; Xu, W; Lins-Lainson, Z; Shaw, J. J; Ramos, F; Silveira, F; Blackwell, J. M Title: Evidence for cluster of genes on chromosome 17q11-q21 controlling susceptibility to tuberculosis and leprosy in Brazilians ..- Source: s.l; s.n; 2004. 12 p. ilus, tab. Abstract: The region of conserved synteny on mouse chromosome 11/human 17q11-q21 is known to carry a susceptibility gene(s) for intramacrophage pathogens. The region is rich in candidates including NOS2A, CCL2/MCP-1, CCL3/MIP-1x, CCL4/mip-1b, CCL5/RANTES, CCR7, STAT3 and STAT5A/5B. To examine the region in man, we studied 92 multicase tuberculosis (627 individuals) and 72 multicase leprosy (372 individuals) families from Brazil. Multipoint nonparametric analysis (ALLEGRO) using 16 microsatallites shows two peaks of linkage for leprosy at D17S250 (Z score 2.34; P=0.01) and D17S1795 (Z 2.67; P=0.004) and a single peak for tuberculosis at D17S250 (Z 2.04; P=0.02). Combined analysis shows significant linkage genes contribute, 49 informative single nucleotide polymorphisms were typed in candidate genes. Family-based allelic associationtesting that was robust to family clustering demonstrated siginificant associations with tuberculosis susceptibility at four loci separated by intervals (NOS2A-8.4Mb-CCL18-32.3kb-CCL4-6.04 Mb-STAT5B) up to several Mb. Stepwise conditional logistic regression analysis using a case/pseudo-control data set showed that the four genes contributed separate main effects, consistent with a cluster of susceptibility genes across 17q11.2 (AU). Descriptors: CROMOSSOMOS HUMANOS PAR 17/genet CROMOSSOMOS HUMANOS PAR 17/imunol PREDISPOSICAO GENETICA PARA DOENÇA MYCOBACTERIUM LEPRAE/imunol MYCOBACTERIUM LEPRAE/metab MYCOBACTERIUM TUBERCULOSIS/genet MYCOBACTERIUM TUBERCULOSIS/imunol MYCOBACTERIUM TUBERCULOSIS/metab - HANSENIASE/genet  TUBERCULOSE/genet  BRASIL/etnol  BRASIL/epidemiol Limits: HUMANO ANIMAL Location: BR191.1; 09314/s

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Id: 18217 Author: Jamieson, S. E; Miller, E. N; Black, G. F; Peacock, C. S; Cordell, H. J; Howson, J. M. M; Shaw, M. A; Burgner, D; Xu, W; Lins-Lainson, Z; Shaw, J. J; Ramos, F; Silveira, F; Blackwell, J. M Title: Evidence for a cluster of genes on chromosome 17q11-q21 controlling susceptibility to tuberculosis and leprosy in Brazilians ..- Source: s.l; s.n; 2004. 12 p. tab, graf. Abstract: The region of conserved synteny on mouse chromosome 11/human 17q11-q21 is known to carry a susceptibility gene(s) for intramacrophage pathogens. The region is rich in candidates including NOS2A, CCL2/MCP-1, CCL3/MIP-1 alpha, CCL4/MIP-1 beta, CCL5/RANTES, CCR7, STAT5A/5B. To examine the region in man, we studied 92 multicase tuberculosis (627 individuals) and 72 multicase leprosy (372 indiciduals) families from Brazil. Multipoint nonparametric analysis (ALLEGRO) using 16 microsatellites shows two peaks of linkage for leprosy at D17S250 (Zir score 2.34; P=0.01) and D17S1795 (Zir 2.67; P=O.004) and a single peack for tuberculosis at D17S250 (Zir 2.04; P=0.02). Combined analysis shows significant linkage (peak Zir 3.38) at D17S250, equivalent to an allele sharing LOD score 2.48 (P=0.0004). To determine whether one or multiple genes contribute, 49 informative single nucleotide polymorphisms were typed in candidate genes. Family-based allelic association testing that was robust to family clustering demonstrated significant associations with tuberculosis susceptibility at four loci separated by intervals (NOS2A-8.4 Mb-CCL 18-32.3 kb-CCL4-6.04 Mb-STAT5B) up to several Mb. Stepwise conditional logistic regression analysis using a case/pseudo-control data set showed that the four genes contributed separate main effects, consistent with a cluster of susceptibilitty genes acros 17q11.2 (AU). Descriptors: HANSENIASE/genet HANSENIASE/imunol TUBERCULOSE/genet TUBERCULOSE/imunol CROMOSSOMOS HUMANOS PAR 17/imunol CROMOSSOMOS HUMANOS PAR 21/imunol - GENETICA POPULACIONAL Limits: HUMANO Location: BR191.1; 09196/s

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