Effect of a novel nutraceutical combination on serum lipoprotein functional profile and circulating PCSK9
Received 15 June 2017
Accepted for publication 23 October 2017
Published 11 December 2017 Volume 2017:13 Pages 1555—1562
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 3
Editor who approved publication: Professor Garry Walsh
Maria Pia Adorni,1 Nicola Ferri,2 Silvia Marchianò,3 Valentina Trimarco,4 Francesco Rozza,5 Raffaele Izzo,5 Franco Bernini,1 Francesca Zimetti1
1Department of Food and Drug, University of Parma, Parma, 2Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Padua, 3Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, 4Department of Neurosciences, 5Hypertension Research Center, Federico II University, Naples, Italy
Background: A beneficial effect on cardiovascular risk may be obtained by improving lipid-related serum lipoprotein functions such as high-density lipoproteins (HDLs) cholesterol efflux capacity (CEC) and serum cholesterol loading capacity (CLC) and by reducing proprotein convertase subtilisin kexin type 9 (PCSK9), independently of lipoprotein concentrations.
Aim: We aimed to evaluate the effect of an innovative nutraceutical (NUT) combination containing red yeast rice (monacolin K 3.3 mg), berberine 531.25 mg and leaf extract of Morus alba 200 mg (LopiGLIK®), on HDL-CEC, serum CLC and on circulating PCSK9 levels.
Materials and methods: Twenty three dyslipidemic subjects were treated for 4 weeks with the above NUT combination. HDL-CEC was measured using specific cell-based radioisotopic assays; serum CLC and PCSK9 concentrations were measured fluorimetrically and by enzyme-linked immunosorbent assay, respectively.
Results: The NUT combination significantly reduced plasma level of the total cholesterol and low-density lipoprotein cholesterol (−9.8% and −12.6%, respectively). Despite no changes in HDL-cholesterol, the NUT combination improved total HDL-CEC in 83% of the patients, by an average of 16%, as a consequence of the increase mainly of the ATP-binding cassette A1-mediated CEC (+28.5%). The NUT combination significantly reduced serum CLC (−11.4%) while it did not change PCSK9 plasma levels (312.9±69.4 ng/mL vs 334.8±103.5 mg/L, before and after treatment, respectively).
Conclusion: The present NUT combination improves the serum lipoprotein functional profile providing complementary beneficial effects, without any detrimental increase of PCSK9 plasma levels.
Keywords: nutraceutical, monacolin K, berberine, Morus alba, HDL, cholesterol efflux capacity, macrophage, PCSK9
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