Impact of amino acid supplementation on cardiovascular and chronic kidney diseases

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Impact of amino acid supplementation on cardiovascular and chronic kidney diseases

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Co-author 1

Dustin Mikolajetz Dmikolajetz@ukkachen.de RWTH University Institute for Molecular Cardiovascular Research Aachen Germany -

Co-author 2

Vera Jankowski vjankowski@ukaachen.de RWTH University Institute for Molecular Cardiovascular Research Aachen Germany -

Co-author 3

Joachim Jankowski jjankowski@ukaachen.de RWTH University Institute for Molecular Cardiovascular Research Aachen Germany *

Co-author 4

Sofía de la Puente-Secades sdelapuentes@ukaachen.de RWTH University Institute for Molecular Cardiovascular Research Aachen Germany -

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Introduction

Cardiovascular diseases (CVD) remain the leading cause of mortality worldwide, with chronic kidney disease (CKD) constituting a significant risk factor. Despite the crucial role of amino acids as fundamental dietary components, their impact on the comorbidities of CKD and CVD has been insufficiently studied and warrants greater research attention.

Methods

Therefore, this systematic review offers a comprehensive overview of the existing knowledge regarding the effects of amino acid supplementation on the comorbidities associated with CVD and CKD, as the basis for novel prevention and treatment options. The databases ´PubMed´ and ´Web of Science´ were used to perform a literature search on the effects of amino acid supplementation on the comorbidities associated with CVD and CKD.

Results

Data synthesis was conducted based on 60 publications, 13 comprising clinical, 43 in vivo and four in vitro studies. The risk of bias was assessed following three appropriate tools. Studies were classified based on protective or harmful effects. Altogether, 43 publications reported protective, and 18 described harmful effects, of which 3 described both protective and harmful effects of different amino acids. Only two publications showed no effects. Arginine and methionine were attributed to the most protective and harmful effects, respectively. One limitation of most publications is the pending translation to humans.

Conclusion

. Overall, these findings point to amino acid supplementation as a potentially valuable addition to treatment options for CVD and CKD patients, although more clinical studies are needed for validiation of the findings[JJ1] .

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