ArticleThe American journal of pathology2011
The effects of PTK787/ZK222584, an inhibitor of VEGFR and PDGFRβ pathways, on intussusceptive angiogenesis and glomerular recovery from Thy1.1 nephritis.
Article in The American journal of pathology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 27 citations in OpenAlex.
- The role of vascularity and the fibrovascular interface in interstitial lung diseases.European respiratory review : an official journal of the European Respiratory Society · 2025Review
- Transluminal Pillars-Their Origin and Role in the Remodelling of the Zebrafish Caudal Vein Plexus.International journal of molecular sciences · 2023Article
- SDF-1/CXCR4 signalling is involved in blood vessel growth and remodelling by intussusception.Journal of cellular and molecular medicine · 2019Article
- Evaluation of pharmacokinetic and pharmacodynamic profiles of liposomes for the cell type-specific delivery of small molecule drugs.Nanomedicine : nanotechnology, biology, and medicine · 2017Article
- Endoglin inhibition leads to intussusceptive angiogenesis via activation of factors related to COUP-TFII signaling pathway.PloS one · 2017Article
- Signaling pathways in the development of infantile hemangioma.Journal of hematology & oncology · 2014Review
- A comparative analysis of glomerulus development in the pronephros of medaka and zebrafish.PloS one · 2012Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The aim of our study was to investigate the phenomenon of intussusceptive angiogenesis with a focus on its molecular regulation by vascular endothelial growth factor receptor (VEGFR)/platelet-derived growth factor receptor β (PDGFRβ) pathways and biological significance for glomerular recovery after acute injury. Glomerular healing by intussusception was examined in a particular setting of Thy1.1 nephritis, where the lysis of mesangial cells results in an initial collapse and successive rebuilding of glomerular capillary structure. Restoration of capillary structure after induction of Thy1.1 nephritis occurred by intussusceptive angiogenesis resulting in i) rapid expansion of the capillary plexus with reinstatement of the glomerular filtration surface and ii) restoration of the archetypical glomerular vascular pattern. Glomerular capillaries of nephritic rats after combined VEGFR2 and PDGFRβ inhibition by PTK787/ZK222584 (PTK/ZK) were tortuous and irregular. However, the onset of intussusceptive angiogenesis was influenced only after long-term PTK/ZK treatment, providing an important insight into differential molecular regulation between sprouting and intussusceptive angiogenesis. PTK/ZK treatment abolished α-smooth muscle actin and tensin expression by injured mesangial cells, impaired glomerular filtration of microspheres, and led to the reduction of glomerular volume and the presence of multiple hemorrhages detectable in the tubular system. Collectively, treatment of nephritic patients with PTK/ZK compound is not recommended.
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