Abstract
Background
Chronic kidney disease (CKD) is a disorder that affects millions worldwide, and current treatment options aiming at inhibiting the progression of kidney damage are limited. Long noncoding RNA (lncRNA) H19 is one of the first explored lncRNAs and its deregulation is associated with renal pathologies, such as renal cell injury and nephrotic syndrome. However, there is still no research investigating the connection between serum lncRNA H19 expressions and clinical outcomes in CKD patients. Therefore, we investigated the relation of serum lncRNA H19 expressions with routine biochemical parameters, inflammatory cytokines, oxidative stress and mineralization markers in advanced CKD patients.
Methods
lncRNA H19 serum levels from 56 CKD patients and 20 healthy controls were analyzed with reverse-transcription quantitative polymerase chain reaction method. Serum tumor necrosis factor-alpha (TNF-α), interleukin 6 (IL-6), and osteocalcin (OC) levels were measured with enzyme linked-immunosorbent assay. Total antioxidant status (TAS) and total oxidative status (TOS) levels were evaluated by the routine measurement method.
Results
We found that lncRNA H19 expressions were upregulated in patients with CKD compared to the controls. Furthermore, lncRNA H19 relative expression levels showed a negative relationship with glomerular filtration rate (GFR) while it was positively correlated with ferritin, phosphorus, parathyroid hormone, TNF-α, IL-6, OC, TAS and TOS levels.
Conclusion
lncRNA H19 expressions were increased in CKD stage 3–5 and HD patients, and elevated lncRNA H19 expressions were associated with decreased glomerular filtration rate, inflammation, and mineralization markers in these patients.
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Funding
This work is supported by the Scientific Research Project Fund of Hatay Mustafa Kemal University under project number: 19.M.013.
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HMO, SD and FHT designed the study. HMO, SD, and MYT performed genetic and biochemistry laboratory analyses. HMO, SD, MYT, MAB, and FHT wrote/drafted/edited the manuscript and interpreted the results. HMO, SD, MYT, MAB, and FHT conducted analyses, prepared graphs/figures and revised the manuscript.
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We all declare that we do not have any conflicts of interest.
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All procedures performed in the present study were approved by the institutional review board and were in compliance with the 1964 Helsinki Declaration (Approval number: 2019/26).
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Informed consent was obtained from all individual participants included in the study.
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Okuyan, H.M., Dogan, S., Terzi, M.Y. et al. Association of serum lncRNA H19 expression with inflammatory and oxidative stress markers and routine biochemical parameters in chronic kidney disease. Clin Exp Nephrol 25, 522–530 (2021). https://doi.org/10.1007/s10157-021-02023-w
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DOI: https://doi.org/10.1007/s10157-021-02023-w