title: Heat shock protein 70 acts as a potential biomarker for early diagnosis of heart failure.
abstract: Early identification for heart failure (HF) may be useful for disease modifying treatment in order to reduce heart disease progression or even to reverse it. In our previous studies, we have revealed a group of heat shock proteins (HSPs) which might be related to neonatal rat cardiomyocyte hypertrophy by proteomic approach. Here, we confirm that HSPs, including HSP27 and HSP70, altered in the early stage of cardiac remodeling in vivo animal model. Furthermore, plasma concentrations of those HSPs and their potential screening value were evaluated at different stages in 222 patient subjects. Plasma HSP27, HSP70 and HSP90 were measured using enzyme-linked immunosorbent assay. Results indicate that HSP70 was positively correlated to the severity (progression) of HF (r = 0.456, p<0.001). The area under the rate of change (ROC) curve was 0.601 (p = 0.017) in patients with stage B HF and 0.835 (p<0.001) in those with stage C HF. However, HSP27 and HSP90 did not display significant changes in any stage of HF in this study. Taken together, plasma concentrations of HSP70 elevated with the progression of HF and might act as a potential screening biomarker for early diagnosis of HF.
authors.affiliation: Department of Cardiology, Peking University Third Hospital and Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, China.
authors.forename: Zongshi
authors.initials: Z
authors.lastname: Li
authors.forename: Yao
authors.initials: Y
authors.lastname: Song
authors.forename: Rui
authors.initials: R
authors.lastname: Xing
authors.forename: Haiyi
authors.initials: H
authors.lastname: Yu
authors.forename: Youyi
authors.initials: Y
authors.lastname: Zhang
authors.forename: Zijian
authors.initials: Z
authors.lastname: Li
authors.forename: Wei
authors.initials: W
authors.lastname: Gao
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000818:Animals; D015415:Biomarkers / Q000097:blood / Q000378:metabolism; D016022:Case-Control Studies; D004195:Disease Models, Animal; D005260:Female; D055551:HSP27 Heat-Shock Proteins / Q000097:blood; D018840:HSP70 Heat-Shock Proteins / Q000097:blood / Q000378:metabolism*; D018841:HSP90 Heat-Shock Proteins / Q000097:blood; D006333:Heart Failure / Q000175:diagnosis* / Q000378:metabolism* / Q000503:physiopathology; D006801:Humans; D008297:Male; D051379:Mice; D008875:Middle Aged; D020097:Natriuretic Peptide, Brain / Q000097:blood / Q000378:metabolism; D010446:Peptide Fragments / Q000097:blood / Q000378:metabolism; D012372:ROC Curve; D012307:Risk Factors; D012720:Severity of Illness Index
chemical_list: D015415:Biomarkers; D055551:HSP27 Heat-Shock Proteins; D018840:HSP70 Heat-Shock Proteins; D018841:HSP90 Heat-Shock Proteins; D010446:Peptide Fragments; C109794:pro-brain natriuretic peptide (1-76); D020097:Natriuretic Peptide, Brain