Abstract:
AIM:Heart failure (HF) affects millions of older individuals in both developed and low/middle-income countries. Serum galectin-3 levels have been shown to have prognostic value. However, its use as a diagnostic biomarker has not been explored. The aim was to establish a saliva galectin-3 reference range and to demonstrate the potential diagnostic utility of salivary and serum galectin-3 levels in assessing HF. METHODS:Blood and saliva samples were collected from age-matched healthy controls (n=51) and patients with HF (n=63). Customised immunoassays were developed to quantify salivary galectin-3 levels. The diagnostic performances of these assays were evaluated by receiver operator characteristic (ROC) curves analysis. RESULTS:The galectin-3 concentrations were significantly elevated in saliva and serum samples of patients with HF compared with controls (p<0.001 and p<0.0001, respectively). Using ROC curve analysis, both serum and salivary galectin-3 gave area under the curve (AUC)=0.86 and AUC=0.73, respectively. There was also a significant correlation (r=0.4, p<0.01) between serum and salivary galectin-3 levels. CONCLUSIONS:For the first time, we have quantified galectin-3 levels in human saliva and have demonstrated potential clinical utility in diagnosing HF. Further, larger multicentre clinical trials are needed before salivary galectin-3 levels can be implemented in a clinical setting.
journal_name
J Clin Patholjournal_title
Journal of clinical pathologyauthors
Zhang X,Wan Y,Chata R,Brazzale A,Atherton JJ,Kostner K,Dimeski G,Punyadeera Cdoi
10.1136/jclinpath-2016-203631subject
Has Abstractpub_date
2016-12-01 00:00:00pages
1100-1104issue
12eissn
0021-9746issn
1472-4146pii
jclinpath-2016-203631journal_volume
69pub_type
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