Recombinant Human RS1 protein (His tag)

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The RS1 protein also known as retinoschisin plays a critical role in cellular adhesion and retinal structure maintenance. It has a molecular mass of approximately 24 kDa. Scientists have observed RS1 expression specifically in the retina suggesting it has a specialized function in retinal health and vision. The protein exists in a dimeric form allowing it to interact efficiently with cellular membranes and extracellular matrices. Its expression is not found in frozen retina samples suggesting changes occur post-mortem or under preservation.

Biological function summary

RS1 is involved in maintaining the structural organization of the retinal layers. It participates in forming a protein complex that helps maintain the extracellular space and regulates cellular adhesion within the retina contributing to the integrity and stability of retinal architecture. The structure of the retina is important for proper signal transduction related to visual processing. The RS1 protein acts as a stabilizing factor reducing retinal detachment and disruptions that can impact vision clarity and focus.

Pathways

Retinoschisin interacts with cellular adhesion pathways and signal transduction within retinal cells. This protein appears to influence the Wnt signaling pathway which plays a role in cell-to-cell communication in the retina. Additionally RS1 associates with the neuropilin protein family which includes proteins involved in axon guidance and vascular patterning therefore influencing the development and maintenance of the retinal structure. These pathways highlight the potential impact of RS1 on visual processing and retinal health.

RS1 mutations have links to X-linked juvenile retinoschisis a retinal disorder leading to vision impairment in males. This disorder manifests as splitting of the retinal layers affecting visual acuity. RS1 interacts with laminin a protein involved in the extracellular matrix and disruptions in this interaction may contribute to disease pathogenesis. Research has also observed RS1's role in retinitis pigmentosa where progressive vision loss occurs and understanding its function provides insights into therapeutic strategies.