BACKGROUND: Ghrelin may exert positive effects on cardiac structure and function in heart failure (HF) patients. METHODS: We assessed ghrelin levels in 266 dilated cardiomyopathy (DCM) patients and in 200 age, gender and body mass index (BMI) matched controls. Further, we evaluated the expression of ghrelin and growth hormone secretagogue-receptor (GHSR) in the myocardium of 41 DCM patients and in 11 controls. RESULTS: DCM patients had significantly lower levels of total, acylated and unacylated ghrelin when compared to controls (p < 0.05 for all). In controls, we observed a negative correlation of ghrelin with age, male gender and BMI. These correlations were lost in the DCM group, except for male gender. Total ghrelin was higher in patients with more recent diagnosis when compared to patients with longer duration of the DCM (p = 0.033). Further, total ghrelin was higher in patients with lower left ventricular systolic function (<40% LVEF, vs. 40% ≤ LVEF < 49% vs. LVEF ≥ 50%: 480.8, vs. 429.7, vs. 329.5 pg/mL, respectively, p = 0.05). Ghrelin prepropeptide was expressed more in DCM patients than in controls (p = 0.0293) while GHSR was expressed less in DCM patients (p < 0.001). Furthermore, ghrelin showed an inverse correlation with its receptor (= -0.406, p = 0.009), and this receptor showed a significant inverse correlation with Interleukin-1 (= -0.422, p = 0.0103). CONCLUSION: DCM duration and severity are accompanied by alterations in the ghrelin-GHSR system.

Ghrelin Derangements in Idiopathic Dilated Cardiomyopathy: Impact of Myocardial Disease Duration and Left Ventricular Ejection Fraction

Aleksova, Aneta
;
Santon, Daniela;Biondi, Federico;Barbati, Giulia;Stenner, Elisabetta;Gortan Cappellari, Gianluca;Barazzoni, Rocco;Ziberna, Fabiana;Not, Tarcisio;Sinagra, Gianfranco
2019-01-01

Abstract

BACKGROUND: Ghrelin may exert positive effects on cardiac structure and function in heart failure (HF) patients. METHODS: We assessed ghrelin levels in 266 dilated cardiomyopathy (DCM) patients and in 200 age, gender and body mass index (BMI) matched controls. Further, we evaluated the expression of ghrelin and growth hormone secretagogue-receptor (GHSR) in the myocardium of 41 DCM patients and in 11 controls. RESULTS: DCM patients had significantly lower levels of total, acylated and unacylated ghrelin when compared to controls (p < 0.05 for all). In controls, we observed a negative correlation of ghrelin with age, male gender and BMI. These correlations were lost in the DCM group, except for male gender. Total ghrelin was higher in patients with more recent diagnosis when compared to patients with longer duration of the DCM (p = 0.033). Further, total ghrelin was higher in patients with lower left ventricular systolic function (<40% LVEF, vs. 40% ≤ LVEF < 49% vs. LVEF ≥ 50%: 480.8, vs. 429.7, vs. 329.5 pg/mL, respectively, p = 0.05). Ghrelin prepropeptide was expressed more in DCM patients than in controls (p = 0.0293) while GHSR was expressed less in DCM patients (p < 0.001). Furthermore, ghrelin showed an inverse correlation with its receptor (= -0.406, p = 0.009), and this receptor showed a significant inverse correlation with Interleukin-1 (= -0.422, p = 0.0103). CONCLUSION: DCM duration and severity are accompanied by alterations in the ghrelin-GHSR system.
Pubblicato
https://www.mdpi.com/2077-0383/8/8/1152
File in questo prodotto:
File Dimensione Formato  
2019 JCM.pdf

accesso aperto

Tipologia: Documento in Versione Editoriale
Licenza: Creative commons
Dimensione 1.06 MB
Formato Adobe PDF
1.06 MB Adobe PDF Visualizza/Apri

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2952589
Citazioni
  • ???jsp.display-item.citation.pmc??? 4
  • Scopus 4
  • ???jsp.display-item.citation.isi??? 3
social impact