chrna1 Antibody

Introduction to CHRNA1 Antibody

The CHRNA1 antibody is a specialized immunological tool designed to detect and study the neuronal acetylcholine receptor subunit alpha-1 (CHRNA1), a protein encoded by the CHRNA1 gene. This subunit is a critical component of nicotinic acetylcholine receptors (nAChRs), which mediate synaptic signaling at neuromuscular junctions and are essential for muscle contraction . Dysregulation of CHRNA1 is linked to neuromuscular disorders such as myasthenia gravis, congenital myasthenic syndromes, and sarcopenia . Antibodies targeting CHRNA1 enable researchers to investigate its expression, localization, and functional roles in health and disease.

Role in Neuromuscular Disorders

• Myasthenia Gravis: CHRNA1 is a primary target for autoantibodies in myasthenia gravis, a condition characterized by muscle weakness. Commercial CHRNA1 antibodies are used to study receptor density and autoantibody interactions .

• Congenital Myasthenic Syndromes (CMS): Mutations in CHRNA1 disrupt receptor function, leading to CMS. Antibodies like PACO25757 facilitate the detection of aberrant receptor isoforms in patient-derived samples .

Sarcopenia and Muscle Innervation

• Upregulation of CHRNA1 in aging skeletal muscle correlates with neuromuscular junction degeneration and sarcopenia. Local injection of AAV9-CHRNA1 in mice reduced muscle innervation, mass, and contractility, as demonstrated using CHRNA1-targeting antibodies .

Hyperhidrosis and Sympathetic Signaling

• CHRNA1 overexpression in sweat glands exacerbates primary focal hyperhidrosis (PFH). Antibodies confirmed that cisatracurium, a neuromuscular blocker, alleviates PFH symptoms by inhibiting CHRNA1 ion channel activity .

Western Blot Performance

• Proteintech 10613-1-AP: Detects a 54 kDa band in mouse heart and rat heart lysates .

• Assay Genie PACO25757: Identifies a 52 kDa band in HeLa cell lysates .

Immunohistochemistry (IHC)

• mAb 35 (DSHB): Labels nicotinic receptors in human skeletal muscle and avian neuronal tissues .

• Abcam ab135272: Stains CHRNA1 in paraffin-embedded human prostate carcinoma tissues .

Functional Assays

• ANC-001 (Alomone Labs): Used in live-cell imaging to study receptor localization in C2C12 myoblasts .

Therapeutic Implications

• Cisatracurium: Blocks CHRNA1 ion channels, reducing sweat secretion in hyperhidrosis models .

• Gene Therapy: AAV-mediated CHRNA1 silencing or overexpression models (validated with antibodies) highlight its potential as a therapeutic target for muscle atrophy .