Human RGMA ELISA Kit

Supplementary info

This supplementary information is collated from multiple sources and compiled automatically.

Activity summary

Repulsive Guidance Molecule A (RGMa) also known as RGM domain family member A is a glycoprotein involved in axon guidance and neuronal differentiation. It has a molecular weight of approximately 37 kDa. RGMa is expressed broadly in the central nervous system particularly in developing nervous tissues. Beyond the CNS RGMa is also found in various non-neuronal tissues. Its role in axonal repulsion is facilitated by its interaction with the Neogenin receptor influencing the directionality and pathfinding of growing nerve fibers.

Biological function summary

RGMa plays a role in maintaining the structural organization of the nervous system by preventing aberrant nerve growth. RGMa forms part of a larger signaling complex that influences cell differentiation and migration. It acts by binding to Neogenin and recruiting co-receptors such as bone morphogenetic proteins (BMP) which regulate the differentiation and proliferation of neural progenitor cells. This interaction highlights its involvement in maintaining proper neural architecture and functionality.

Pathways

RGMa engages in the BMP signaling pathway and the axon guidance pathway. Its interaction with BMP proteins affects the Smad signaling cascade ultimately influencing gene expression essential for neuronal differentiation. Furthermore RGMa's influence on axon guidance involves coordination with other guidance cues that help establish neural circuitry during development. Its functional relationship with Neogenin and BMP signaling pathways highlights its regulatory role in neural patterning.

Associated diseases and disorders

RGMa is linked to conditions such as spinal cord injury and multiple sclerosis. In the context of spinal cord injury increased expression of RGMa contributes to the inhibition of neural regeneration due to its repulsive signaling effects. It interacts with other proteins including Neogenin to exacerbate the inhibitory environment post-injury. In multiple sclerosis RGMa regulates immune cell infiltration into the CNS linking it to disease progression and pathology. Understanding RGMa's role opens potential therapeutic avenues to modulate its activity in these disorders.