Effect of monospecific antibodies against baltergin in myotoxicity induced by Bothrops alternatus venom from northeast of Argentina. Role of metalloproteinases in muscle damage

► Muscle damage of the most important viper species from Argentina is reported. ► We use specific polyclonal antibodies as studied tool. ► Metalloproteinases play a key role in myotoxicity induced by Bothrops alternatus venom. ► We suggest presence of potent myotoxic phospholipases in Bothrops diporus venom.