SGCZ

SGCZ is a gene that encodes the protein sarcoglycan zeta, which is part of the sarcoglycan complex. This complex is involved in the dystrophin-associated protein complex (DAPC), which plays a crucial role in maintaining the stability and integrity of muscle tissue. Mutations in this gene can lead to a variety of muscular dystrophies.

Function

The SGCZ gene provides instructions for making a protein called sarcoglycan zeta. This protein is part of a group of proteins that form the sarcoglycan complex, which is found in the membrane of muscle cells. The sarcoglycan complex interacts with other protein complexes to form the dystrophin-associated protein complex (DAPC). This larger complex strengthens muscle fibers and prevents them from being damaged during muscle contraction. If the SGCZ gene is mutated, it can disrupt the function of the sarcoglycan complex and lead to muscle damage.

Clinical significance

Mutations in the SGCZ gene can cause limb-girdle muscular dystrophy type 2S (LGMD2S). This is a type of muscular dystrophy characterized by progressive muscle weakness and wasting, primarily affecting the muscles around the hips and shoulders (the limb-girdle muscles). Symptoms usually begin in early childhood and progress slowly. The severity and progression of the disease can vary widely, even among members of the same family.

See also

• Sarcoglycan
• Dystrophin-associated protein complex
• Limb-girdle muscular dystrophy

External links

• SGZ at NCBI
• SGCZ at GHR

SGCZ Resources
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