Apratoxin A vs Mambalgin-1

Head-to-head comparison of Apratoxin A (Apratoxin A) and Mambalgin-1 (Mambalgin-1 from Dendroaspis polylepis venom) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyApratoxin AMambalgin-1
CategoryExperimentalExperimental
Full NameApratoxin AMambalgin-1 from Dendroaspis polylepis venom
Molecular WeightN/A6,300 Da
Half-LifeN/AMinutes to hours
Amino AcidsN/A57
Typical DoseN/A in humans; nanomolar in vitro0.1-1 nmol intrathecal|10-100 nM in vitro|single-dose rodent studies
RouteIntraperitoneal / Intravenous (preclinical)Intrathecal
Purity≥98%≥98%
Studies Count14055
Research StatusPre-clinicalPre-clinical

Apratoxin A Benefits

  • antineoplastic
  • anti-angiogenic
  • Sec61 inhibition
  • anti-proliferative

Mambalgin-1 Benefits

  • ASIC channel inhibition
  • non-opioid analgesia research
  • sensory-neuron physiology
  • lead optimization for pain therapeutics

Apratoxin A Dosing

preclinical in vitro nanomolar use|animal studies only|no human dosing established

Mambalgin-1 Dosing

Intrathecal pain-behavior studies|ASIC1a/ASIC1b electrophysiology|Acute dosing in rodents

Apratoxin A Side Effects

  • hepatotoxicity
  • general cytotoxicity
  • GI toxicity

Mambalgin-1 Side Effects

  • Hypoactivity at high dose
  • off-target ASIC blockade
  • local irritation

Research Overview

Apratoxin A

Apratoxin A is a well-studied lead compound for targeting secretory and membrane protein biogenesis in cancer cells. Medicinal chemistry programs around apratoxins focus on improving selectivity and reducing hepatotoxicity while preserving potency.

Mambalgin-1

Pre-clinical work shows mambalgin-1 can reduce pain behaviors by modulating proton-gated ion channels in peripheral and central pathways. It has become an important template for developing ASIC-targeted analgesics.

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Common Stacking Partners

Apratoxin A stacks with:

gemcitabinedocetaxelEGFR inhibitors

Mambalgin-1 stacks with:

gabapentinbaclofenlidocaine
marine-derivedcyanobacteriadepsipeptideSec61snake-venomthree-finger-toxinasic-blockerpain-research