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Social determinants and heat shock protein-70 among African American and non-Hispanic white women with atherosclerosis: a pilot study.

Abstract：

:African American (AA) women are nearly twice as likely as non-Hispanic White (NHW) women to develop atherosclerosis associated with cardiovascular disease. Compelling evidence demonstrates that stress-related biomarkers, such as heat shock protein-70 (HSP70), are associated with increased atherosclerosis risk. Yet little is known about how social factors such as perceived discrimination, subjective social status, and socioeconomic status contribute to the levels of these biomarkers in women with atherosclerosis. The aims of this pilot study were to (1) describe perceived everyday discrimination, subjective social status, perceived stress, and HSP70 level in AA and NHW women diagnosed with coronary or carotid artery disease requiring intervention and (2) determine the extent to which perceived discrimination, subjective social status, and perceived stress are associated with HSP70 level, controlling for age, education, and race. The sample for this cross-sectional, descriptive pilot study consisted of 10 AA and 21 NHW women admitted to the hospital for elective percutaneous cardiac intervention or carotid endarterectomy. Participants completed questionnaires measuring psychosocial variables and provided blood samples for analysis of HSP70. Race, age, education, perceived stress, perceived discrimination, and subjective social status significantly (p = .022) explained 34% of the variance in HSP70 levels. However, only subjective social status (p = .031) and AA race (p = .031) were significant independent predictors of HSP70 levels, with lower subjective social status and AA race associated with higher HSP70. Although larger studies are needed to confirm these results, findings imply that race and subjective social status may play an important role in predicting stress biomarker levels.

journal_name

Biol Res Nurs

journal_title

Biological research for nursing

authors

Saban KL,Hoppensteadt D,Bryant FB,DeVon HA

doi

10.1177/1099800413491422

subject

Has Abstract

pub_date

2014-07-01 00:00:00

pages

258-65

issue

eissn

1099-8004

issn

1552-4175

pii

1099800413491422

journal_volume

pub_type

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Social determinants and heat shock protein-70 among African American and non-Hispanic white women with atherosclerosis: a pilot study.