Document Detail


Linkage of MN locus and erythrocyte lithium-sodium countertransport in Tecumseh, Michigan.
MedLine Citation:
PMID:  2045179     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Human essential hypertension is a family of diseases; one subtype has an increased maximum velocity for red blood cell lithium-sodium countertransport activity. To begin the localization of the gene or genes responsible for this phenotype, we examined the association of blood pressure, lithium-sodium countertransport, and two genetic markers previously associated with hypertension--the MN blood group antigen (chromosome 4) and the plasma protein haptoglobin (chromosome 18)--in a population-based sample of 592 young adults from Tecumseh, Mich., the site of an ongoing cardiovascular epidemiological investigation. Our results suggest that the relation between MN phenotype and systolic blood pressure is significantly different and oppositely directed in men and women. Analysis of data available from previous examinations revealed that similar blood pressure differences related to MN phenotype had been present at least a decade earlier in both men and women. There also was a significant relation between systolic blood pressure and haptoglobin phenotype for the combined group of men and women. In addition to having high systolic blood pressure, men with the MM phenotype had significantly elevated red blood cell lithium-sodium countertransport activity. In studies of brother-brother pairs, we found evidence for significant genetic linkage between the MN locus and red blood cell lithium-sodium countertransport activity.
Authors:
A B Weder; N J Schork; S Julius
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Hypertension     Volume:  17     ISSN:  0194-911X     ISO Abbreviation:  Hypertension     Publication Date:  1991 Jun 
Date Detail:
Created Date:  1991-07-12     Completed Date:  1991-07-12     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  7906255     Medline TA:  Hypertension     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  977-81     Citation Subset:  IM    
Affiliation:
Department of Internal Medicine, University of Michigan, Ann Arbor 48109-0356.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Alleles
Antiporters*
Blood Pressure
Carrier Proteins / metabolism*
Chromosome Mapping*
Erythrocytes / metabolism*
Female
Haptoglobins / genetics
Humans
Linkage (Genetics)*
MNSs Blood-Group System / genetics*,  immunology
Male
Phenotype
Regression Analysis
Systole
Grant Support
ID/Acronym/Agency:
HL-37464/HL/NHLBI NIH HHS
Chemical
Reg. No./Substance:
0/Antiporters; 0/Carrier Proteins; 0/Haptoglobins; 0/MNSs Blood-Group System; 0/sodium-lithium countertransporter

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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