Sociedad Americana de Hirudoterapia

Asiaticobdella Hirudin-1

Putative hirudin-like factor with RGD motif from African medicinal leech — dual thrombin-inhibitor / integrin-binder mechanism unique to A. fenestrata.

Preclínico / mecanísticoLast updated: 2026-05-27 · Reviewed by ASH Editorial Board
Molecular weight of Asiaticobdella Hirudin-1 compared with other characterized leech-derived compoundsHementerin80 kDaHementin80 kDaHementin-Like Protein (HLP-1)80 kDaLeech Collagenase70 kDaHaemadipsa yanyuanensis Progr…70 kDaLeech Apyrase67 kDaCalin65 kDaHyaluronidase60 kDaAntithrombin III binding prot…58 kDaCollagenolytic Fibrinolysin55 kDaLeech Thrombospondin-Like Pro…50 kDaAsiaticobdella Hirudin-17 kDa
Molecular weight (kilodaltons) of Asiaticobdella Hirudin-1 (highlighted) alongside other characterized leech salivary compounds. Smaller proteins/peptides generally diffuse and act faster.

Mechanistic Evidence Box

Preclinical / mechanistic
Page type
Compound profile
Evidence type
Putative hirudin-like factor with RGD motif from African medicinal leech — dual thrombin-inhibitor / integrin-binder mechanism unique to A. fenestrata.
Evidence level
In vitro
Drug vs leech
Recombinant (genetically expressed)
Safety domains
Bleeding

Clinical translation limit

This putative hirudin's in vitro thrombin-binding activity does NOT establish clinical efficacy of whole-leech therapy. No FDA-approved derivative exists; A. fenestrata is taxonomically distinct from the FDA-cleared K040187 medicinal leech species.

Molecular Profile

Category
Anticoagulant
Evidence tier
Preclinical
Molecular weight
7,000 Da
Source species
Asiaticobdella fenestrata
Discovered
2025 · Schulz L et al.
Asiaticobdella Hirudin-1 molecular structure

Biological Targets

  • thrombin (Factor IIa) + platelet integrin (via N-terminal RGD)

Key Citations

  1. Schulz L et al. (2025), Parasitol Res · PMID 41198932

External Resources

    Related Anticoagulant Compounds

    Este sitio web proporciona información educativa y no constituye consejo médico, diagnóstico ni recomendaciones de tratamiento. La terapia con sanguijuelas medicinales conlleva riesgos clínicamente significativos y debe ser realizada únicamente por profesionales calificados bajo protocolos aprobados institucionalmente. La autorización 510(k) de la FDA para sanguijuelas medicinales se limita a indicaciones específicas; las discusiones sobre uso investigativo y fuera de indicación se señalan correspondientemente. Para orientación médica específica, consulte a un profesional de salud calificado.