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Targeting growth factors to the kidney: myth or reality?
1Division of Nephrology, Department of Internal Medicine and Therapeutics, Osaka University School of Medicine, Osaka, Japan. imai@medone.med.osaka-u.ac.jp
Abstract:
Growth factors and cytokines play a crucial role in the progression of renal diseases. A growing body of evidence has been obtained from experimental studies, suggesting that manipulation of the activity of growth factors and cytokines is a potential form of therapy for renal diseases. To preserve the renal function structure in progressive renal diseases, this approach is achieved by inhibition of apoptosis of renal intrinsic cells and by decrease in the fibrotic signal. Inhibition of transforming growth factor beta, platelet-derived growth factor, interleukin-1 and tumor necrosis factor alpha, and supplementation of hepatocyte growth factor, vascular endothelial growth factor and bone morphogenic protein-7 may be beneficial. Recent progress in therapeutic implements including humanized antibodies, chimeric soluble receptors, aptamers, antisense oligonucleotides, and gene therapy allow us to target the causal molecules. Administration of a combination of growth factors and cytokines is a potential therapeutic approach. Targeting signal transduction molecules and their co-factors and regulators is another possibility because the signals from various growth factors use a common pathway. Thus, targeting growth factors and cytokines in renal diseases could be a promising therapeutic approach.
Insights
Targeting growth factors and cytokines shows promise for treating renal diseases by inhibiting cell death and fibrosis. Novel therapies aim to manipulate these key molecules to preserve kidney function.
Area of Science:
- Nephrology
- Molecular Biology
- Therapeutics
Background:
- Growth factors and cytokines are key drivers in the progression of renal diseases.
- Experimental studies suggest manipulating these factors could be a therapeutic strategy for kidney disease.
Purpose of the Study:
- To explore the therapeutic potential of targeting growth factors and cytokines in renal diseases.
- To identify specific factors for inhibition or supplementation to preserve renal structure and function.
Main Methods:
- Inhibition of pro-fibrotic and pro-apoptotic factors like transforming growth factor beta (TGF-β), platelet-derived growth factor (PDGF), interleukin-1 (IL-1), and tumor necrosis factor alpha (TNF-α).
- Supplementation of renoprotective factors such as hepatocyte growth factor (HGF), vascular endothelial growth factor (VEGF), and bone morphogenic protein-7 (BMP-7).
- Utilizing advanced therapeutic modalities including humanized antibodies, soluble receptors, aptamers, antisense oligonucleotides, and gene therapy to target specific molecules.
Main Results:
- Inhibiting specific growth factors and cytokines may reduce renal cell apoptosis and fibrosis.
- Supplementing certain growth factors may offer protective effects on kidney structure and function.
- Targeting common signaling pathways used by multiple growth factors presents a unified therapeutic strategy.
Conclusions:
- Modulating growth factors and cytokines is a promising therapeutic avenue for progressive renal diseases.
- Combination therapies and targeting signaling pathways offer potential for improved treatment outcomes.
- Advanced therapeutic tools enable precise targeting of molecules involved in renal disease pathogenesis.
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