SGCA and sarcoglycanopathy: Sarcoglycanopathies (SG) are the most frequent form of autosomal recessive LGMD comprising of four subtypes- LGMDR3, LGMDR4, LGMDR5 and LGMDR6 caused by mutations in SGCA, SGCB, SGCG and SGCD encoding for the alpha-, beta-, gamma- and delta- sarcoglycan proteins respectively3.