Sociedad Americana de Hirudoterapia

Macrobdellin

Anticoagulant peptide described in the North American medicinal leech Macrobdella decora.

Preclínico / mecanísticoLast updated: 2026-05-26 · Reviewed by ASH Editorial Board
Molecular weight of Macrobdellin 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 kDaMacrobdellin6.8 kDa
Molecular weight (kilodaltons) of Macrobdellin (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
Anticoagulant peptide described in the North American medicinal leech Macrobdella decora.
Evidence level
Mechanistic discussion
Drug vs leech
Purified natural compound
Safety domains
Bleeding

Clinical translation limit

Macrobdellin is documented mechanistically only; no human evidence. No FDA-approved derivative exists and Macrobdella decora is not the FDA-cleared device species (Hirudo medicinalis / H. verbana).

Molecular Profile

Category
Anticoagulant
Evidence tier
Preclinical
Molecular weight
6,800 Da
Source species
Macrobdella decora
Discovered
2017
Macrobdellin molecular structure

Biological Targets

  • thrombin (Factor IIa)

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.