Abstract：
:Pharmaco-therapeutic strategies of atrial fibrillation (AF) are moderately effective and do not prevent AF onset and progression. Therefore, there is an urgent need to develop novel therapies. Previous studies revealed heat shock protein (HSP)-inducing compounds to mitigate AF onset and progression. Such an HSP inducing compound is L-glutamine. In the current study we investigate the effect of L-glutamine supplementation on serum HSP27 and HSP70 levels and metabolite levels in patients with AF patients (n = 21). Hereto, HSP27 and HSP70 levels were determined by ELISAs and metabolites with LC-mass spectrometry. HSP27 levels significantly decreased after 3-months of L-glutamine supplementation [540.39 (250.97-1315.63) to 380.69 (185.68-915.03), p = 0.004] and normalized to baseline levels after 6-months of L-glutamine supplementation [634.96 (139.57-3103.61), p < 0.001]. For HSP70, levels decreased after 3-months of L-glutamine supplementation [548.86 (31.50-1564.51) to 353.65 (110.58-752.50), p = 0.045] and remained low after 6-months of L-glutamine supplementation [309.30 (118.29-1744.19), p = 0.517]. Patients with high HSP27 levels at baseline showed normalization of several metabolites related to the carbohydrates, nucleotides, amino acids, vitamins and cofactors metabolic pathways after 3-months L-glutamine supplementation. In conclusion, L-glutamine supplementation reduces the serum levels of HSP27 and HSP70 within 3-months and normalizes metabolite levels. This knowledge may fuel future clinical studies on L-glutamine to improve cardioprotective effects that may attenuate AF episodes.
journal_name
Cellsjournal_title
Cellsauthors
Starreveld R,Ramos KS,Muskens AJQM,Brundel BJJM,de Groot NMSdoi
10.3390/cells9071729subject
Has Abstractpub_date
2020-07-20 00:00:00issue
7issn
2073-4409pii
cells9071729journal_volume
9pub_type
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