Chronic Kidney Disease of Unknown Etiology (CKDu) in Sri Lanka: Hematological Changes and Pro-Inflammation Suggest Likely Predictors of Advance Disease, as Renal Outcomes Show Prevalent Normoalbuminuria

CKDu needs to be characterized in fundamental areas to improve etiological understanding and disease management. In a cross-sectional study, blood cell profile and plasma inflammatory cytokines were followed by automated analysis and sandwich ELISA, respectively. Disease development stages and prote...

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Main Authors: S. H. Nandana P. Gunawickrama, K. Imesha G. Hewavitharana, P. G. Chandra L. Nanayakkara, K. B. Suneetha Gunawickrama
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Diseases
Subjects:
Online Access:https://www.mdpi.com/2079-9721/10/1/2
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author S. H. Nandana P. Gunawickrama
K. Imesha G. Hewavitharana
P. G. Chandra L. Nanayakkara
K. B. Suneetha Gunawickrama
author_facet S. H. Nandana P. Gunawickrama
K. Imesha G. Hewavitharana
P. G. Chandra L. Nanayakkara
K. B. Suneetha Gunawickrama
author_sort S. H. Nandana P. Gunawickrama
collection DOAJ
description CKDu needs to be characterized in fundamental areas to improve etiological understanding and disease management. In a cross-sectional study, blood cell profile and plasma inflammatory cytokines were followed by automated analysis and sandwich ELISA, respectively. Disease development stages and proteinuria were ascertained by eGFR and UACR. Comparison among control and stages (ANOVA/Dunnett’s MRT) revealed time-specific changes (<i>p</i> < 0.05), including decreased erythrocytes (G5) and hematocrit (G5), and increased MCHC (G3b, G4), MCV (G5), and MCH (G5). CKDu decreased (<i>p</i> < 0.05) lymphocytes (G3b, G4, G5), monocytes (G3b), MPV (G3b, G4, G5), and plateletcrit (G3b, G4), and increased basophils (G3a, G3b, G4), N/L (G4) and PLR (G4–G5). MCHC and aforesaid leukocyte variables were in correlation (rho > ±0.03, <i>p</i> < 0.05, Pearson’s test) with disease development. MCP-1 and IL-6 spiked (<i>p</i> > 0.05) at G3b. Multivariate analyses confirmed that MCP-1, lymphocytes, and BMI were related to renal dysfunction, pointing to inflammation, compromised immunity, and muscle wasting as CKDu effects. Nonproteinuric CKDu was prevalent (23.2–35.6% of total CKDu) with (<i>p</i> < 0.05) elevated basophils (G3a), N/L (G4), and depleted lymphocytes (G4). In both forms, G1–G2 were unaffected, and the earliest change was G3a basophils. Results suggest that MCP-1, lymphocyte count, N/L, and PLR may verify the stage and predict impending ESRD in advance proteinuric CKDu.
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spelling doaj.art-c8e0e30ea35649839f6792d857b76aff2023-11-30T20:59:28ZengMDPI AGDiseases2079-97212021-12-01101210.3390/diseases10010002Chronic Kidney Disease of Unknown Etiology (CKDu) in Sri Lanka: Hematological Changes and Pro-Inflammation Suggest Likely Predictors of Advance Disease, as Renal Outcomes Show Prevalent NormoalbuminuriaS. H. Nandana P. Gunawickrama0K. Imesha G. Hewavitharana1P. G. Chandra L. Nanayakkara2K. B. Suneetha Gunawickrama3Institute for Combinatorial Advance Research and Education, General Sir John Kotelawala Defence University, Ratmalana 10390, Sri LankaInstitute for Combinatorial Advance Research and Education, General Sir John Kotelawala Defence University, Ratmalana 10390, Sri LankaDepartment of Anatomy, Faculty of Medicine, University of Ruhuna, Galle 80000, Sri LankaDepartment of Zoology, Faculty of Science, University of Ruhuna, Matara 81000, Sri LankaCKDu needs to be characterized in fundamental areas to improve etiological understanding and disease management. In a cross-sectional study, blood cell profile and plasma inflammatory cytokines were followed by automated analysis and sandwich ELISA, respectively. Disease development stages and proteinuria were ascertained by eGFR and UACR. Comparison among control and stages (ANOVA/Dunnett’s MRT) revealed time-specific changes (<i>p</i> < 0.05), including decreased erythrocytes (G5) and hematocrit (G5), and increased MCHC (G3b, G4), MCV (G5), and MCH (G5). CKDu decreased (<i>p</i> < 0.05) lymphocytes (G3b, G4, G5), monocytes (G3b), MPV (G3b, G4, G5), and plateletcrit (G3b, G4), and increased basophils (G3a, G3b, G4), N/L (G4) and PLR (G4–G5). MCHC and aforesaid leukocyte variables were in correlation (rho > ±0.03, <i>p</i> < 0.05, Pearson’s test) with disease development. MCP-1 and IL-6 spiked (<i>p</i> > 0.05) at G3b. Multivariate analyses confirmed that MCP-1, lymphocytes, and BMI were related to renal dysfunction, pointing to inflammation, compromised immunity, and muscle wasting as CKDu effects. Nonproteinuric CKDu was prevalent (23.2–35.6% of total CKDu) with (<i>p</i> < 0.05) elevated basophils (G3a), N/L (G4), and depleted lymphocytes (G4). In both forms, G1–G2 were unaffected, and the earliest change was G3a basophils. Results suggest that MCP-1, lymphocyte count, N/L, and PLR may verify the stage and predict impending ESRD in advance proteinuric CKDu.https://www.mdpi.com/2079-9721/10/1/2chronic kidney disease of unknown etiologychronic kidney disease developmenthematologynonproteinuriamonocyte chemoattractant protein-1interleukin-6
spellingShingle S. H. Nandana P. Gunawickrama
K. Imesha G. Hewavitharana
P. G. Chandra L. Nanayakkara
K. B. Suneetha Gunawickrama
Chronic Kidney Disease of Unknown Etiology (CKDu) in Sri Lanka: Hematological Changes and Pro-Inflammation Suggest Likely Predictors of Advance Disease, as Renal Outcomes Show Prevalent Normoalbuminuria
Diseases
chronic kidney disease of unknown etiology
chronic kidney disease development
hematology
nonproteinuria
monocyte chemoattractant protein-1
interleukin-6
title Chronic Kidney Disease of Unknown Etiology (CKDu) in Sri Lanka: Hematological Changes and Pro-Inflammation Suggest Likely Predictors of Advance Disease, as Renal Outcomes Show Prevalent Normoalbuminuria
title_full Chronic Kidney Disease of Unknown Etiology (CKDu) in Sri Lanka: Hematological Changes and Pro-Inflammation Suggest Likely Predictors of Advance Disease, as Renal Outcomes Show Prevalent Normoalbuminuria
title_fullStr Chronic Kidney Disease of Unknown Etiology (CKDu) in Sri Lanka: Hematological Changes and Pro-Inflammation Suggest Likely Predictors of Advance Disease, as Renal Outcomes Show Prevalent Normoalbuminuria
title_full_unstemmed Chronic Kidney Disease of Unknown Etiology (CKDu) in Sri Lanka: Hematological Changes and Pro-Inflammation Suggest Likely Predictors of Advance Disease, as Renal Outcomes Show Prevalent Normoalbuminuria
title_short Chronic Kidney Disease of Unknown Etiology (CKDu) in Sri Lanka: Hematological Changes and Pro-Inflammation Suggest Likely Predictors of Advance Disease, as Renal Outcomes Show Prevalent Normoalbuminuria
title_sort chronic kidney disease of unknown etiology ckdu in sri lanka hematological changes and pro inflammation suggest likely predictors of advance disease as renal outcomes show prevalent normoalbuminuria
topic chronic kidney disease of unknown etiology
chronic kidney disease development
hematology
nonproteinuria
monocyte chemoattractant protein-1
interleukin-6
url https://www.mdpi.com/2079-9721/10/1/2
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