CHRNA7

CHRNA7 is a gene that encodes the alpha-7 subunit of the nicotinic acetylcholine receptor (nAChR). This receptor is a type of ion channel that is activated by the neurotransmitter acetylcholine. The CHRNA7 gene is located on the long arm of chromosome 15 (15q14).

Function

The alpha-7 nAChR is widely expressed in the brain and has been implicated in a variety of neurological and psychiatric disorders. It plays a crucial role in neurotransmission, neurodevelopment, and neuroprotection. The receptor is also found in other tissues, including the lung, immune system, and gastrointestinal tract, where it has diverse functions.

Clinical significance

Mutations in the CHRNA7 gene have been associated with several disorders. These include schizophrenia, bipolar disorder, autism spectrum disorder, and certain forms of epilepsy. In addition, variations in the gene have been linked to differences in cognitive function and susceptibility to nicotine addiction.

Research

Research on CHRNA7 has focused on its role in disease and its potential as a therapeutic target. For example, drugs that modulate the alpha-7 nAChR are being investigated for the treatment of cognitive deficits in schizophrenia and Alzheimer's disease.

See also

• Nicotinic acetylcholine receptor
• Neurotransmitter
• Ion channel

References

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