Aberrant cytokines/chemokines production correlate with proteinuria in patients with overt diabetic nephropathy

Chia Chao Wu, Jin Shuen Chen, Kuo Cheng Lu, Chun Chi Chen, Shih Hua Lin, Pauling Chu, Huey Kang Sytwu, Yuh Feng Lin

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Background: Diabetic nephropathy (DN) occurs in 20% to 30% of all patients with type 2 diabetes mellitus (DM) and is the most common cause of end-stage renal disease. However, the definite pathogenesis, especially the role of immune response, is still unclear. Methods: We studied the production and expression of Th1 (IFN-γ, IL-2R), Th2 (IL-4, IL-10), proinflammatory cytokines (IL-1β, and TNF-α), and chemokines (MCP-1, and RANTES) in patients with DN. The correlation among cytokines, chemokines, and clinical parameters were examined. Results: A patient with DN presented with longer disease duration, heavy proteinuria, and impaired renal function. Our results demonstrated increased proinflammatory cytokines, Th1 cytokines and chemokines, but not Th2 cytokines, in the plasma and urine of patients with DN as compared to patients with DM without overt nephropathy. Enhanced cytokine/chemokine activation in DN was also demonstrated by positive immunohistochemical staining of kidney tissue. We found a positive correlation between daily protein loss and plasma IFN-γ and IL-2R, and urinary MCP-1, as well as a negative correlation between creatinine clearance and plasma TNF-α and urinary MCP-1. Conclusions: There were aberrant cytokines/chemokines production correlated with the degree of proteinuria in patient with overt DN and gross proteinuria. Inflammation may be important in the pathogenesis of DN.

Original languageEnglish
Pages (from-to)700-704
Number of pages5
JournalClinica Chimica Acta
Volume411
Issue number9-10
DOIs
Publication statusPublished - 2010

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Diabetic Nephropathies
Proteinuria
Chemokines
Cytokines
Medical problems
Plasmas
Kidney
Chemokine CCL5
Interleukin-1
Interleukin-4
Interleukin-10
Type 2 Diabetes Mellitus
Chronic Kidney Failure
Blood Proteins
Creatinine
Diabetes Mellitus
Chemical activation
Urine
Tissue
Staining and Labeling

Keywords

  • Chemokine
  • Cytokine
  • Diabetic nephropathy
  • Inflammation

ASJC Scopus subject areas

  • Biochemistry
  • Clinical Biochemistry
  • Biochemistry, medical

Cite this

Aberrant cytokines/chemokines production correlate with proteinuria in patients with overt diabetic nephropathy. / Wu, Chia Chao; Chen, Jin Shuen; Lu, Kuo Cheng; Chen, Chun Chi; Lin, Shih Hua; Chu, Pauling; Sytwu, Huey Kang; Lin, Yuh Feng.

In: Clinica Chimica Acta, Vol. 411, No. 9-10, 2010, p. 700-704.

Research output: Contribution to journalArticle

Wu, Chia Chao ; Chen, Jin Shuen ; Lu, Kuo Cheng ; Chen, Chun Chi ; Lin, Shih Hua ; Chu, Pauling ; Sytwu, Huey Kang ; Lin, Yuh Feng. / Aberrant cytokines/chemokines production correlate with proteinuria in patients with overt diabetic nephropathy. In: Clinica Chimica Acta. 2010 ; Vol. 411, No. 9-10. pp. 700-704.
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AB - Background: Diabetic nephropathy (DN) occurs in 20% to 30% of all patients with type 2 diabetes mellitus (DM) and is the most common cause of end-stage renal disease. However, the definite pathogenesis, especially the role of immune response, is still unclear. Methods: We studied the production and expression of Th1 (IFN-γ, IL-2R), Th2 (IL-4, IL-10), proinflammatory cytokines (IL-1β, and TNF-α), and chemokines (MCP-1, and RANTES) in patients with DN. The correlation among cytokines, chemokines, and clinical parameters were examined. Results: A patient with DN presented with longer disease duration, heavy proteinuria, and impaired renal function. Our results demonstrated increased proinflammatory cytokines, Th1 cytokines and chemokines, but not Th2 cytokines, in the plasma and urine of patients with DN as compared to patients with DM without overt nephropathy. Enhanced cytokine/chemokine activation in DN was also demonstrated by positive immunohistochemical staining of kidney tissue. We found a positive correlation between daily protein loss and plasma IFN-γ and IL-2R, and urinary MCP-1, as well as a negative correlation between creatinine clearance and plasma TNF-α and urinary MCP-1. Conclusions: There were aberrant cytokines/chemokines production correlated with the degree of proteinuria in patient with overt DN and gross proteinuria. Inflammation may be important in the pathogenesis of DN.

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