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PMID |
Sentence |
1 |
7573054
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Two-locus maximum lod score analysis of a multifactorial trait: joint consideration of IDDM2 and IDDM4 with IDDM1 in type 1 diabetes.
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2 |
7573054
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To investigate the genetic component of multifactorial diseases such as type 1 (insulin-dependent) diabetes mellitus (IDDM), models involving the joint action of several disease loci are important.
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3 |
7573054
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The method is applied to affected-sib-pair data, and the joint effects of IDDM1 (HLA) and IDDM2 (the INS VNTR) and of IDDM1 and IDDM4 (FGF3-linked) are assessed with relation to the development of IDDM.
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4 |
7573054
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Analysis of these families indicates that the effects at IDDM1 and IDDM2 are well described by a multiplicative genetic model, while those at IDDM1 and IDDM4 follow a heterogeneity model.
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5 |
8072544
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Loci in the major histocompatibility complex (MHC) on chromosome 6 and the insulin (INS) region on chromosome 11 have been implicated in susceptibility to insulin-dependent diabetes mellitus (IDDM) through candidate gene investigations, but they may account for less than 50% of genetic risk for the disease.
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6 |
8072544
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Here we report evidence for the localization of a previously undetected susceptibility locus for IDDM in the region of the FGF3 gene on chromosome 11q.
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7 |
8875250
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It is recognized that the MHC contains multiple susceptibility loci (referred to collectively as IDDM1), including the class II antigen receptor genes, which control the major pathological feature of the disease: T-lymphocyte-mediated autoimmune destruction of the insulin-producing pancreatic beta cells.
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8 |
8875250
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However, the MHC genes, and a second locus, the insulin gene minisatellite on chromosome 11p15 (IDDM2; lambda S = 1.25), cannot account for all of the observed clustering of disease in families (lambda S = 15), and the scans suggested the presence of other susceptibility loci scattered throughout the genome.
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9 |
8875250
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There are four additional loci for which there is currently sufficient evidence from linkage and association studies to justify fine mapping experiments: IDDM4 (FGF3/11q13), IDDM5 (ESR/6q22), IDDM8 (D6S281/6q27) and IDDM12 (CTLA-4/2q33).
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10 |
8875250
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IDDM4, 5 and 8 were detected by genome scanning, and IDDM12 by a candidate gene strategy.
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11 |
8875250
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The identification of aetiological determinants requires exclusion of hitchhiking polymorphisms in regions of linkage disequilibrium, as demonstrated for the MHC and the insulin gene loci, and functional studies implicating the disease-associated variant in pathogenesis.
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12 |
9070914
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We have thus undertaken fine-scale mapping of a 3.2-Mb region flanked by ACTN3 and FGF3.
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13 |
9070914
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The 3.2-Mb area studied includes the boundaries of regions thought to contain genes predisposing individuals to osteoporosis-pseudoglioma syndrome and insulin-dependent diabetes mellitus, as well as genes driving amplification events in human carcinomas.
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14 |
9296067
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It is recognised that the MHC contains multiple susceptibility loci (referred to collectively as IDDM1), including the class II antigen receptor genes, which control the major pathological feature of the disease: T lymphocyte-mediated autoimmune destruction of the insulin-producing pancreatic beta cells.
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15 |
9296067
|
However, the MHC genes, and a second locus, the insulin gene minisatellite on chromosome 11p15 (IDDM2; lambda s = 1.25), cannot account for all of the observed clustering of disease in families (lambda s = 15), and the scans suggested the presence of other susceptibility loci scattered throughout the genome.
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16 |
9296067
|
There are four additional loci for which there is currently sufficient evidence from linkage and association studies to justify fine mapping experiments: IDDM4 (FGF3/11q13), IDDM5 (ESR/6q22), IDDM8 (D6S281/6q27) and IDDM12 (CTLA-4/2q33), IDDM4, 5 and 8 were detected by genome scanning, and IDDM12 by a candidate gene strategy.
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17 |
12165853
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Activation of different Wnt/beta-catenin signaling components in mammary epithelium induces transdifferentiation and the formation of pilar tumors.
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18 |
12165853
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The Wnt/beta-catenin signaling pathway controls cell fate and neoplastic transformation.
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19 |
12165853
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Expression of an endogenous stabilized beta-catenin (DeltaE3 beta-catenin) in mammary epithelium leads to the transdifferentiation into epidermis- and pilar-like structures.
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20 |
12165853
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Signaling molecules in the canonical Wnt pathway upstream from beta-catenin induce glandular tumors but it is not clear whether they also cause squamous transdifferentiation.
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21 |
12165853
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To address this question we have now investigated mammary epithelium from transgenic mice that express activating molecules of the Wnt pathway: Wnt10b, Int2/Fgf3, CK2alpha, DeltaE3 beta-catenin, Cyclin D1, and dominant negative (dn) GSK3beta.
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22 |
12165853
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Extensive squamous metaplasias and widespread expression of CK1 and CK6 were observed in DeltaE3 beta-catenin transgenic mammary tissue.
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23 |
12165853
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Wnt10b and Int2 transgenes also induced squamous metaplasias, but expression of CK1 and CK6 was sporadic.
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24 |
12165853
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While CK5 expression in Wnt10b transgenic tissue was still confined to the lining cell layer, its expression in Int2 transgenic tissue was completely disorganized.
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25 |
12165853
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In contrast, cytokeratin expression in CK2alpha, dnGSK3beta and Cyclin D1 transgenic mammary tissues was similar to that in DeltaE3 beta-catenin tissue.
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26 |
12165853
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Activation of different Wnt/beta-catenin signaling components in mammary epithelium induces transdifferentiation and the formation of pilar tumors.
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27 |
12165853
|
The Wnt/beta-catenin signaling pathway controls cell fate and neoplastic transformation.
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28 |
12165853
|
Expression of an endogenous stabilized beta-catenin (DeltaE3 beta-catenin) in mammary epithelium leads to the transdifferentiation into epidermis- and pilar-like structures.
|
29 |
12165853
|
Signaling molecules in the canonical Wnt pathway upstream from beta-catenin induce glandular tumors but it is not clear whether they also cause squamous transdifferentiation.
|
30 |
12165853
|
To address this question we have now investigated mammary epithelium from transgenic mice that express activating molecules of the Wnt pathway: Wnt10b, Int2/Fgf3, CK2alpha, DeltaE3 beta-catenin, Cyclin D1, and dominant negative (dn) GSK3beta.
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31 |
12165853
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Extensive squamous metaplasias and widespread expression of CK1 and CK6 were observed in DeltaE3 beta-catenin transgenic mammary tissue.
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32 |
12165853
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Wnt10b and Int2 transgenes also induced squamous metaplasias, but expression of CK1 and CK6 was sporadic.
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33 |
12165853
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While CK5 expression in Wnt10b transgenic tissue was still confined to the lining cell layer, its expression in Int2 transgenic tissue was completely disorganized.
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34 |
12165853
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In contrast, cytokeratin expression in CK2alpha, dnGSK3beta and Cyclin D1 transgenic mammary tissues was similar to that in DeltaE3 beta-catenin tissue.
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