Motoneuronotrophic factor receptor (MNTFR)

The Motoneuronotrophic factor receptor (MNTFR) is a therapeutic target for neurodegenerative and neurotraumatic conditions, primarily identified as the receptor complex for the endogenous peptide Motoneuronotrophic factor (MNTF). Research indicates that MNTF and its synthetic analogs, such as GM604 (Alirinetide), interact with the beta subunits of the Insulin Receptor (IR) and the Insulin-like Growth Factor 1 Receptor (IGF-1R). This interaction activates critical intracellular signaling cascades, including the PI3K/Akt, Notch, and Hedgehog pathways, which are essential for neuronal differentiation, survival, and axonal regeneration. The receptor is highly expressed during embryonic development, where it acts as a master regulator of the nervous system's formation. In adult pathology, targeting the MNTF receptor is intended to provide neuroprotection and promote repair in diseases like Amyotrophic Lateral Sclerosis (ALS), Parkinson's disease, and ischemic stroke. By modulating multiple downstream genes and proteins, such as SOD1 and TDP-43, drugs targeting this receptor aim to restore cellular homeostasis and prevent the progression of neurodegeneration.

Other names

MNTF receptorMNTF1 receptorInsulin receptor (functional target)Insulin-like growth factor 1 receptor (functional target)