ArticleRenal failure2025
IGFBP2 and IGFBP4 interact to activate complement pathway in diabetic kidney disease.
Article in Renal failure, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Histopathological and Transcriptomic Alterations in Metabolic Organs: A Case Study from a Spontaneously Diabetic Rhesus Macaque.International journal of molecular sciences · 2026Article
- Chronic kidney disease onset, progression, and cardiovascular outcomes: proteomics informs biology and risk stratification.Cardiovascular diabetology · 2026Article
- IGFBP2 Knockdown Ameliorates Diabetic Gastroparesis by Inhibiting VDAC1-Dependent Mitophagy in Interstitial Cells of CajalEndocrine, metabolic & immune disorders drug targets · 2026Article
- IGFBP5 promotes EndoMT and renal fibrosis through H3K18 lactylation in diabetic nephropathy.Cellular and molecular life sciences : CMLS · 2025Article
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7 authors.
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Abstract
backgroundDiabetic kidney disease (DKD) is the leading cause of chronic kidney disease globally. Recent research has identified insulin-like growth factor-binding proteins 2 (IGFBP2) and 4 (IGFBP4) as potential biomarkers for DKD. Overactivation of the complement pathway in DKD remains poorly understood.
methodsBlood samples were collected from patients for proteomic analysis, complemented by both
resultsElevated levels of IGFBP2 and IGFBP4 were observed in DKD patients. The levels of IGFBP2 and IGFBP4 increased in DKD mice, accompanied by the activation of the complement pathway, and a deterioration in renal function. High glucose and serum from DKD mice stimulated an increase in the levels of IGFBP2 and IGFBP4 in HK-2 cells. The supernatant from HK-2 cells was used to culture THP-1 cells, resulted in an increase in the M1 type of THP-1 cells, a decrease in the M2 type, and activation of the complement pathway. The supernatant from THP-1 cells affected the growth of primary human renal podocytes. The exogenous addition of IGFBP2 and IGFBP4 proteins to primary human renal podocytes did not affect their growth. However, when human renal podocytes were cultured with the supernatant from THP-1 cells, the growth of the podocytes was affected.
conclusionsIGFBP2 and IGFBP4 interact to stimulate the activation of the complement pathway in macrophages, which induces podocyte apoptosis and subsequently promotes the development of DKD.
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