Head activator neuropeptide 是神经元或神经内分泌来源的哺乳动物细胞系的有丝分裂原。Head activator neuropeptide 通过结合 GPR37 进行信号传导，并刺激细胞进行有丝分裂。

CRF, bovine (TFA) is a potent agonist of CRF receptor, and displaces [125I-Tyr]ovine CRF with a Ki of 3.52 nM.CRF, bovine is a potent agonist of CRF receptor, and displaces [125I-Tyr]ovine CRF with a Ki of 3.52 nM. CRF shows pEC50s of 11.16, 8.53 and 8.70 for human CRF1, human CRF2 and rat CRF2α.

Insulin cattle 是在胰腺 β 细胞中产生的两链多肽激素。