The relationship of lithium-potassium cotransport and the passive lithium leak to hypertension in utah subjects

Steven Hunt, R. R. Williams, J. B. Smith, K. O. Ash, H. Kuida

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Rate constants for lithium-potassium cotransport (kLPC) and the lithium efflux into MgCl2 with furosemide (passive lithium leak) along with sodium-lithium countertransport (SLC) were measured in erythrocytes from 351 normotensive adults age 18 and over, 220 youth under age 18 and in 27 hypertensives. The kLPC was significantly higher in the hypertensives than the adult normotensives with means and standard deviations of 13.9 ± 9.2 vs. 8.7 ± 5.9 10-3/hr (p < 0.01). Adjusting for the significant weight (p = 0.014) and sex (p = 0.066, normotensive males higher than females) associations with kLPC in an analysis of covariance, increased the significant difference between the hypertensives and normotensives (p = 0.0004). The passive lithium leak rate constant was also higher in hypertensives than normotensives (20.2 ± 7.6 vs. 15.5 ± 5.3 10-3/hr, p < 0.01). Weight (p=0.0003), but not sex, was related to the leak but did not account for the difference between hypertensives and normotensives (p = 0.0009). Mean blood pressure was positively associated with the lithium leak but not the kLPC or SLC values in a multivariate regression.

Original languageEnglish
Pages (from-to)1409-1426
Number of pages18
JournalClinical and Experimental Hypertension
VolumeA7
Issue number10
DOIs
Publication statusPublished - 1985
Externally publishedYes

Fingerprint

Lithium
Potassium
Hypertension
Sodium
Weights and Measures
Magnesium Chloride
Furosemide
Erythrocytes
Blood Pressure

Keywords

  • Blood pressure
  • Erythrocyte
  • Ion transport
  • Lithium-potassium cotransport
  • Sodium-lithium countertransport

ASJC Scopus subject areas

  • Internal Medicine
  • Physiology

Cite this

The relationship of lithium-potassium cotransport and the passive lithium leak to hypertension in utah subjects. / Hunt, Steven; Williams, R. R.; Smith, J. B.; Ash, K. O.; Kuida, H.

In: Clinical and Experimental Hypertension, Vol. A7, No. 10, 1985, p. 1409-1426.

Research output: Contribution to journalArticle

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