Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

In End-Stage Renal Disease, the Effects of Hemodialysis on Chronic Fatigue Syndrome- and Fibromyalgia-Like Symptoms are Mediated via Inflammatory Biomarkers, Copper and Wnt/Catenin Pathway Proteins

Version 1 : Received: 11 March 2021 / Approved: 12 March 2021 / Online: 12 March 2021 (08:46:45 CET)

How to cite: Asad, H.; Al-Hakeim, H.; Moustafa, S.; Maes, M. In End-Stage Renal Disease, the Effects of Hemodialysis on Chronic Fatigue Syndrome- and Fibromyalgia-Like Symptoms are Mediated via Inflammatory Biomarkers, Copper and Wnt/Catenin Pathway Proteins. Preprints 2021, 2021030336 (doi: 10.20944/preprints202103.0336.v1). Asad, H.; Al-Hakeim, H.; Moustafa, S.; Maes, M. In End-Stage Renal Disease, the Effects of Hemodialysis on Chronic Fatigue Syndrome- and Fibromyalgia-Like Symptoms are Mediated via Inflammatory Biomarkers, Copper and Wnt/Catenin Pathway Proteins. Preprints 2021, 2021030336 (doi: 10.20944/preprints202103.0336.v1).

Abstract

End-stage renal disease (ESRD) is associated with fatigue and physio-somatic symptoms. The aims of this study are to delineate the associations between severity of fatigue and physio-somatic symptoms and glomerular filtration rate, inflammatory biomarkers, and Wnt/catenin-pathway proteins. The Wnt-pathway related proteins β-catenin, Dickkopf-related protein 1 (DKK1), R-spondin-1, and sclerostin were measured by ELISA technique in 60 ESRD patients and 30 controls. The Fibromyalgia and Chronic Fatigue Syndrome (FF) Rating Scale was used to assess severity of FF symptoms. ESRD is characterized by a significant increase in the total FF score, muscle tension, fatigue, sadness, sleep disorders, GI symptoms, and a flu-like malaise. The total FF score was significantly correlated with serum levels of urea, creatinine, phosphate, and copper (positively), and β-catenin, eGFR, hemoglobin, albumin, and zinc (inversely). The total FF score was associated with the number of total dialysis and weekly dialysis sessions, and these dialysis characteristics were more important in predicting FF scores than eGFR measurements. Partial Least Squares analysis showed that the FF score comprised two factors which are differently associated with biomarkers: a) 43.0% of the variance in fatigue, GI symptoms, muscle tension, sadness, and insomnia is explained by hemoglobin, albumin, zinc, β-catenin, and R-spondin-1; and b) 22.3% of the variance in irritability, concentration and memory impairments by increased copper and cations/chloride ratio, and male sex. ESRD patients show high levels of fatigue and physio-somatic symptoms which are associated with hemodialysis and mediated by dialysis-induced changes in inflammatory pathways, the Wnt/catenin pathway, and copper.

Subject Areas

Myalgic Encephalomyelitis/chronic fatigue syndrome; Wnt pathway; inflammation; neuro-immune; oxidative stress; biomarkers

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