Updated PubMed. (1) Secreted materials from the venom gland: 50 venom glands were cultured in 20 μL PBS for 2 hours. The cultured media were collected. Three biological replications were analyzed. (2) Lysates of the venom glands: 50 venom glands were squashed in 50 μL PBS and centrifuged. The supernatants were collected. Three biological replications were analyzed.