| pubmed-article:2220810 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:2220810 | lifeskim:mentions | umls-concept:C0030705 | lld:lifeskim |
| pubmed-article:2220810 | lifeskim:mentions | umls-concept:C0012854 | lld:lifeskim |
| pubmed-article:2220810 | lifeskim:mentions | umls-concept:C0751435 | lld:lifeskim |
| pubmed-article:2220810 | lifeskim:mentions | umls-concept:C0018591 | lld:lifeskim |
| pubmed-article:2220810 | lifeskim:mentions | umls-concept:C0936012 | lld:lifeskim |
| pubmed-article:2220810 | pubmed:issue | 4 | lld:pubmed |
| pubmed-article:2220810 | pubmed:dateCreated | 1990-11-2 | lld:pubmed |
| pubmed-article:2220810 | pubmed:abstractText | Linkage analysis of phenylketonurics has shown a strong association between the DNA haplotype at the phenylalanine hydroxylase (PAH) locus and phenylketonuria (PKU). Similarly, a genetic linkage between less severe forms of hyperphenylalaninemia (HPA) and the PAH locus has been suggested. In the present study we analyzed this linkage in more detail. Haplotypes at the PAH locus were determined for 19 individuals with moderately elevated plasma phenylalanine and normal urinary neopterin/biopterin ratios. Fourteen of these individuals had plasma phenylalanine levels of 4-10 mg/dl (mild HPA), and the other five had plasma phenylalanine levels of 10-19 mg/dl (atypical PKU). Thirteen of the 15 HPA families consisted of an affected child and at least one other sibling. Elevated plasma phenylalanine was seen to genetically segregate with specific PAH alleles in each family. Summation of the LOD scores for both categories of moderate plasma phenylalanine elevation gave a maximum value of 3.556 at theta = 0. At theta = 0 this gives a probability of linkage between the PAH locus and the locus for moderate phenylalanine elevations that is approximately 3,600:1. None of the alleles segregating with either mild HPA or atypical PKU were of haplotype 2 or 3, and 13/20 were of types 1 or 4. This is in agreement with the most deleterious mutations being on haplotypes 2 and 3 and with the less severe mutations being on haplotypes 1 and 4. chi 2 Analyses indicated no statistically significant correlation between HPA and a particular haplotype or restriction-enzyme site. | lld:pubmed |
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| pubmed-article:2220810 | pubmed:language | eng | lld:pubmed |
| pubmed-article:2220810 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:2220810 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:2220810 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:2220810 | pubmed:month | Oct | lld:pubmed |
| pubmed-article:2220810 | pubmed:issn | 0002-9297 | lld:pubmed |
| pubmed-article:2220810 | pubmed:author | pubmed-author:KochRR | lld:pubmed |
| pubmed-article:2220810 | pubmed:author | pubmed-author:PandyaAA | lld:pubmed |
| pubmed-article:2220810 | pubmed:author | pubmed-author:GroffenJJ | lld:pubmed |
| pubmed-article:2220810 | pubmed:author | pubmed-author:Di... | lld:pubmed |
| pubmed-article:2220810 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:2220810 | pubmed:volume | 47 | lld:pubmed |
| pubmed-article:2220810 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:2220810 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:2220810 | pubmed:pagination | 706-11 | lld:pubmed |
| pubmed-article:2220810 | pubmed:dateRevised | 2010-11-18 | lld:pubmed |
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| pubmed-article:2220810 | pubmed:year | 1990 | lld:pubmed |
| pubmed-article:2220810 | pubmed:articleTitle | DNA haplotype analyses of patients with hyperphenylalaninemia. | lld:pubmed |
| pubmed-article:2220810 | pubmed:affiliation | Division of Medical Genetics, Children's Hospital, Los Angeles, CA 90027. | lld:pubmed |
| pubmed-article:2220810 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:2220810 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| http://linkedlifedata.com/r... | pubmed:referesTo | pubmed-article:2220810 | lld:pubmed |
