RESEARCH: ALZHEIMERS
FOLDING PROJECT #12424 PROFILE

This project studies how a protein called PTPσ helps neurons grow back after injury. Scientists are using computer simulations to understand how PTPσ works and hope to develop new treatments for diseases like spinal cord injuries.

Note: This TLDR is a simplication and may not be 100% accurate.

Protein tyrosine phosphatase S (PTPσ) plays an important signaling role in neuronal regeneration.

The so-called “wedge domain” of PTPσ is a 24-mer helix-loop-helix motif found in the intracellular D1 domain of the native protein.

Peptide constructs based on the wedge domain have been shown to inhibit PTPσ phosphatase activity, which promotes neuronal regeneration.
The simulations in this project are aimed at understanding the conformational dynamics of dimeric conformations of PTPσ predicted by AlphaFold.

The long-term goal of this research is to develop therapeutics for neuronal degeneration diseases and spinal cord injuries.

This work is a collaboration with the Wang group at Temple University.

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Protein tyrosine phosphatase S

An enzyme that removes phosphate groups from tyrosine residues on proteins.

Protein tyrosine phosphatase S (PTPσ) is an enzyme crucial for cellular signaling in neurons. It removes phosphate groups from specific proteins, influencing processes like neuronal regeneration and growth. Understanding PTPσ's function can help develop treatments for neurodegenerative diseases and spinal cord injuries.

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Neuronal regeneration

The process of damaged nerve cells (neurons) repairing and regrowing.

Neuronal regeneration is the body's ability to repair damaged nerve cells. This process is essential for recovery from injuries affecting the nervous system, such as spinal cord injuries or stroke. Researchers are actively studying ways to enhance neuronal regeneration to improve treatment outcomes.

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AlphaFold

An artificial intelligence system that predicts the 3D structure of proteins from their amino acid sequence.

AlphaFold is a powerful AI tool used to predict the shape of proteins. This knowledge is crucial for understanding how proteins function and designing new drugs or therapies.

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Spinal cord injuries

Damage to the spinal cord that can result in a range of disabilities.

Spinal cord injuries are serious conditions caused by trauma to the spinal column. These injuries can disrupt nerve signals, leading to paralysis, loss of sensation, and other complications. Research is ongoing to develop better treatments for spinal cord injuries.

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Dimeric conformations

Structural arrangements of two identical protein molecules.

Dimeric conformations refer to how two identical protein molecules come together and interact. Understanding these formations is crucial for comprehending protein function and developing targeted therapies.

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Peptide constructs

Synthetically produced short chains of amino acids designed to mimic or influence protein function.

Peptide constructs are laboratory-made chains of amino acids. Scientists use them to study protein interactions, develop new drugs, and design therapies targeting specific proteins.