ArticleInvestigational new drugs2019
The antitumor efficacy of monomeric disintegrin obtustatin in S-180 sarcoma mouse model.
Article in Investigational new drugs, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
8 citing papers in PubMed, 21 citations in OpenAlex.
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- Microvascular Experimentation in the Chick Chorioallantoic Membrane as a Model for Screening Angiogenic Agents including from Gene-Modified Cells.International journal of molecular sciences · 2021Review
- Cytotoxic effect ofPeerJ · 2020Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Obtustatin, isolated from the Levantine Viper snake venom (Macrovipera lebetina obtusa -MLO), is the shortest known monomeric disintegrin shown to specifically inhibit the binding of the α1β1 integrin to collagen IV. Its oncostatic effect is due to the inhibition of angiogenesis, likely through α1β1 integrin inhibition in endothelial cells. To explore the therapeutic potential of obtustatin, we studied its effect in S-180 sarcoma-bearing mice model in vivo as well as in human dermal microvascular endothelial cells (HMVEC-D) in vitro, and tested anti-angiogenic activity in vivo using the chick embryo chorioallantoic membrane assay (CAM assay). Our in vivo results show that obtustatin inhibits tumour growth by 33%. The expression of vascular endothelial growth factor (VEGF) increased after treatment with obtustatin, but the level of expression of caspase 8 did not change. In addition, our results demonstrate that obtustatin inhibits FGF2-induced angiogenesis in the CAM assay. Our in vitro results show that obtustatin does not exhibit cytotoxic activity in HMVEC-D cells in comparison to in vivo results. Thus, our findings disclose that obtustatin might be a potential candidate for the treatment of sarcoma in vivo with low toxicity.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.