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An Orthotopic Sciatic Nerve Xenograft for Neurofibromatosis Type 1 Neurofibromas
Published on: October 10, 2025
Exploring the cucurbitacins in neurofibromatosis: Molecular mechanisms and pharmacological potential
Varsha Senthil Kumar Buvaneswari1, Saranya Punniyakotti2, Nithya Varadarajan1
1Department of Pharmacology, Saveetha, College of Pharmacy, Saveetha Institute of Medical and Technical science (SIMATS), Thandalam, Chennai, Tamil Nadu 602105, India.
Abstract:
Neurofibromatosis (NF) operates as a hereditary tumor-predisposition disease that primarily results from NF1 and NF2 gene mutations which cause the formation of noncancerous and cancerous tumors that affect the nervous system. The dysregulated operation of crucial signaling pathways, which include JAK/STAT and PI3K/Akt/mTOR and Ras/MAPK, has a major effect on how tumors start growing and their following development. The field of targeted therapeutics has made progress yet the existing long-term treatment options remain insufficient which drives the search for new therapeutic compounds that can target multiple pathways. Cucurbitacins which belong to the class of highly oxygenated tetracyclic triterpenoids that plants from the Cucurbitaceae family produce have gained recognition as effective anticancer agents because they exhibit powerful anti-proliferative effects and induce cell death and block cellular signaling pathways. Recent experiments show that cucurbitacins, which include cucurbitacin B and E and I, inhibit tumor cell growth through their control of cell cycle checkpoints and their activation of mitochondrial apoptosis and their suppression of STAT3 and PI3K/Akt pathways and their generation of reactive oxygen species. The processes directly relate to neurofibromatosis tumor biology since schwannoma and neurofibroma tumors grow because of permanent activation of survival pathways. The development of treatments faces significant challenges which include toxic effects and poor drug availability and insufficient clinical studies. The study presents an overview of cucurbitacins in neurofibromatosis by discussing their molecular mechanisms and drug properties and potential therapeutic applications and upcoming research for targeted delivery and clinical studies.
Insights
Cucurbitacins, natural compounds from plants, show promise in treating neurofibromatosis (NF) by inhibiting tumor growth and targeting key pathways. Further research is needed for clinical application.
Area of Science:
- Oncology
- Genetics
- Pharmacology
Background:
- Neurofibromatosis (NF) is a hereditary tumor disorder caused by NF1/NF2 gene mutations, leading to nervous system tumors.
- Dysregulated signaling pathways (JAK/STAT, PI3K/Akt/mTOR, Ras/MAPK) drive tumor initiation and progression in NF.
- Current NF treatments are insufficient, necessitating novel therapeutic strategies targeting multiple pathways.
Purpose of the Study:
- To review cucurbitacins as potential therapeutic agents for neurofibromatosis.
- To discuss the molecular mechanisms, drug properties, and therapeutic potential of cucurbitacins in NF.
Main Methods:
- Literature review of studies on cucurbitacins and their effects on cancer cell signaling.
- Analysis of cucurbitacins' impact on cell cycle, apoptosis, and key signaling pathways (STAT3, PI3K/Akt).
- Examination of challenges and future directions for cucurbitacin-based NF therapies.
Main Results:
- Cucurbitacins (B, E, I) exhibit potent anti-proliferative effects and induce cell death in tumor cells.
- Cucurbitacins suppress key survival pathways (STAT3, PI3K/Akt) and activate mitochondrial apoptosis.
- These mechanisms are relevant to NF tumor biology, which relies on activated survival pathways.
Conclusions:
- Cucurbitacins demonstrate significant potential as anticancer agents for neurofibromatosis due to their multi-targeted molecular mechanisms.
- Challenges including toxicity, bioavailability, and limited clinical data require further investigation for therapeutic development.
- Future research should focus on targeted delivery and robust clinical studies to validate cucurbitacins for NF treatment.
