Sociedad Americana de Hirudoterapia

NrlHM1

Novel macin-family antimicrobial peptide from Hirudo medicinalis genome — Serebrennikova 2025 high-throughput screen.

Preclínico / mecanísticoLast updated: 2026-05-27 · Reviewed by ASH Editorial Board
Molecular weight of NrlHM1 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 kDaNrlHM18.5 kDa
Molecular weight (kilodaltons) of NrlHM1 (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
Novel macin-family antimicrobial peptide from Hirudo medicinalis genome — Serebrennikova 2025 high-throughput screen.
Evidence level
In vitro
Drug vs leech
Recombinant (genetically expressed)
Safety domains
Antibiotic stewardship

Clinical translation limit

NrlHM1's in vitro antibacterial activity does NOT establish clinical efficacy. No FDA-approved derivative exists; the macin-family classification is by sequence homology rather than functional equivalence.

Molecular Profile

Category
Antimicrobial
Evidence tier
Preclinical
Molecular weight
8,500 Da
Source species
Hirudo medicinalis
Discovered
2025 · Serebrennikova M et al.
NrlHM1 molecular structure

Biological Targets

  • Gram-positive bacteria (laboratory strains)

Key Citations

  1. Serebrennikova M et al. (2025), Int J Mol Sci · PMID 40725149

External Resources

    Related Antimicrobial 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.