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Updated: Jun 25, 2026

Preparation Of Neovascular Tissues from Human Glioma Tissues for Quantitative Proteomics Analysis of Tumor Angiogenesis
Published on: March 20, 2026
Glioma angiogenesis: Towards novel RNA therapeutics
Thomas Würdinger1, Bakhos A Tannous
1Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, USA. twurdinger@mgh.harvard.edu
Abstract:
Brain tumors exhibit marked and aberrant blood vessel formation indicating angiogenic endothelial cells as a potential target for brain tumor treatment. The brain tumor blood vessels are used for nutrient delivery, and possibly for cancer cell migration. The process of angiogenesis is complex and involves multiple players. The current angiogenesis inhibitors used in clinical trials mostly target single angiogenic proteins and so far show limited effects on tumor growth. Besides the conventional angiogenesis inhibitors, RNA-based inhibitors such as small-interfering RNAs (siRNAs) are being analyzed for their capacity to silence the message of proteins involved in neovascularization. More recently, a new family of non-coding RNAs, named angiomirs [microRNAs (miRNAs) involved in angiogenesis] has emerged. These small RNAs have the advantage over siRNAs in that they have the potential of silencing multiple messages at the same time and therefore they might become therapeutically relevant in a "one-hit multiple-target" context against brain tumor angiogenesis. In this review we will discuss the emerging technologies in anti-angiogenesis emphasizing on RNA-based therapeutics.
Insights
Brain tumor blood vessel growth (angiogenesis) is a treatment target. RNA-based therapies, like angiomirs, offer a promising "one-hit multiple-target" approach for brain tumor anti-angiogenesis.
Area of Science:
- Oncology
- Molecular Biology
- Biotechnology
Background:
- Brain tumors feature abnormal blood vessel formation (angiogenesis), crucial for tumor growth and nutrient supply.
- Current anti-angiogenesis therapies targeting single proteins show limited efficacy.
- RNA-based therapeutics, including small-interfering RNAs (siRNAs), are emerging as novel anti-angiogenesis strategies.
Purpose of the Study:
- To review emerging anti-angiogenesis technologies.
- To emphasize the potential of RNA-based therapeutics in combating brain tumor angiogenesis.
Main Methods:
- Discussion of current angiogenesis inhibitors and their limitations.
- Exploration of RNA interference (RNAi) mechanisms, including siRNAs.
- Introduction to angiomirs (angiogenesis-related microRNAs) as a novel therapeutic class.
Main Results:
- Angiomirs offer a "one-hit multiple-target" therapeutic advantage over single-target inhibitors.
- RNA-based inhibitors demonstrate potential for silencing multiple angiogenic targets simultaneously.
- Emerging RNA therapeutics show promise for more effective brain tumor anti-angiogenesis.
Conclusions:
- RNA-based therapeutics, particularly angiomirs, represent a significant advancement in anti-angiogenesis strategies.
- Targeting multiple angiogenic pathways with RNA molecules could overcome limitations of current treatments.
- Further research into RNA-based therapies holds promise for improved brain tumor treatment outcomes.
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