ArticleInternational journal of molecular sciences2026
FBP1 Is Associated with Attenuated Mitochondrial Injury in Renal Tubular Epithelial Cells of Diabetic Kidney Disease via Modulation of Lactate Metabolism.
Article in International journal of molecular sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The role of gluconeogenesis in kidney disease has increasingly drawn attention. Fructose-1,6-bisphosphatase 1 (FBP1) is a key rate-limiting enzyme in gluconeogenesis that suppresses glycolysis and reduces lactate production. In this study, we first analyzed public transcriptomic datasets of diabetic kidney disease (DKD) and validated the findings in 24-week-old BKS-db mice and in high-glucose-induced human renal tubular epithelial (HK-2) cells. We further constructed tubular-specific FBP1 overexpression/knockdown mouse models via adeno-associated virus serotype 9 (AAV-9) and combined pharmacological inhibition of lactate dehydrogenase B (LDHB) to dissect the underlying mechanism. Analysis of public clinical transcriptomic datasets showed that renal tubular FBP1 expression was positively correlated with estimated glomerular filtration rate (eGFR). In vivo, tubular-specific FBP1 overexpression in BKS-db mice reduced 24-h urinary protein and decreased renal lactate accumulation (
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