Roles of mast cells and sensory nerves in cutaneous vascular hyperpermeability and scratching behavior induced by poly- l-arginine in rats

We investigated whether the polycation poly- l-arginine elicited cutaneous vascular hyperpermeability and scratching behavior and, if so, whether these responses involved mast cells and sensory nerves in rats. Intradermal injections of poly- l-arginine induced vascular hyperpermeability and scratchi...

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