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Hi1a molecule is a peptide from the venom of Australian spider Hadronyche infensa (K’gari funnel web spider) which researchers have found, in studies done on mice, to be an acid-sensing ion channel 1a (ASIC1a) inhibitor.[1][2][3] It has cardioprotective properties - preventing heart tissue from degradation during a heart attack[2][4] and also has a highly neuroprotective effect in case of stroke.[5][6] It has the potential to become the first drug for acute ischemic events that act by preventing cell death.[1][3][7]
References
edit- ^ a b Duggan, Nisharnthi M.; Saez, Natalie J.; Clayton, Daniel; Budusan, Elena; Watson, Emma E.; Tucker, Isaac J.; Rash, Lachlan D.; King, Glenn F.; Payne, Richard J. (November 5, 2021). "Total Synthesis of the Spider-Venom Peptide Hi1a". Organic Letters. 23 (21): 8375–8379. doi:10.1021/acs.orglett.1c03112. PMID 34632783 – via CrossRef.
- ^ a b https://academic.oup.com/eurheartj/article/45/17/1571/7473189
- ^ a b "Spider venom heart drug moves to clinical trials". UQ News.
- ^ Cooke, Emily (October 16, 2024). "Drug inspired by spider venom aims to reverse heart attack damage". livescience.com.
- ^ Chassagnon, Irène R.; McCarthy, Claudia A.; Chin, Yanni K.-Y.; Pineda, Sandy S.; Keramidas, Angelo; Mobli, Mehdi; Pham, Vi; De Silva, T. Michael; Lynch, Joseph W.; Widdop, Robert E.; Rash, Lachlan D.; King, Glenn F. (April 4, 2017). "Potent neuroprotection after stroke afforded by a double-knot spider-venom peptide that inhibits acid-sensing ion channel 1a". Proceedings of the National Academy of Sciences. 114 (14): 3750–3755. Bibcode:2017PNAS..114.3750C. doi:10.1073/pnas.1614728114. PMC 5389327. PMID 28320941.
- ^ "Hi1a demonstrates neuroprotective activity in EAE mice | BioWorld". www.bioworld.com.
- ^ https://www.health.gov.au/news/mrff-funnel-web-spider-venom-may-provide-a-new-drug-for-heart-attacks
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