Table 1. Summary of dysferlin myopathy patients: Correlation with protein expression in PBM, skeletal muscle and mutations.
Patient | Sex | Age | Phenotype | PBM WB (%) | Muscle WB (%) | Muscle IH | Nucleotide change DYSF gene | Protein change |
P_1 | M | 31 | MM | 0 | 0 | Sarcoplasm granular pattern | c.5194G>Tc.5999G>A | p.Glu1732Xp.Arg2000Gln |
P_2 | M | MM | 0 | 0 | Absent | c.1555G>Ac.1555G>A | p.Gly519Argp.Gly519Arg | |
P_3 | M | 37 | MM | 0 | 0 | Absent | c.5159delGc.5159delG | p.Arg1720LeufsX2p.Arg1720LeufsX2 |
P_4 | M | 26 | LGMD2B | 0 | 0 | Absent | c.5509G>Ac.5903G>A | p.Asp1837Asnp.Trp1968X |
P_5 | F | 27 | LGMD2B | 0 | 0.2 | Absent | c.5979dupAc.5979dupA | p.Glu1994ArgfsX3p.Glu1994ArgfsX3 |
P_6 | F | 38 | LGMD2B | 0 | 0 | Absent | c.154T>Cc.701G>A | p.Trp52Argp.Gly234Glu |
P_7 | M | 30 | LGMD2B | 0 | 0 | Sarcoplasm granular pattern | c.2779delGc. 4410+13T>G | p.Ala927LeufsX21 |
P_8 | M | 36 | LGMD2B | 0.9 | 1.5 | Patchy sarcolemmal pattern | c.2055+1G>Ac.3805G>T | p.Glu1269X |
P_9 | F | 49 | LGMD2B | 0 | 0 | Absent | c.4354C>Ac.4354C>A | p.Pro1452Thrp.Pro1452Thr |
P_10 | F | 63 | LGMD2B | 0 | 0 | ABSENT | c.5525+3A>Gc.5525+3A>G | |
P_11 | F | 44 | LGMD2B | 0 | 0 | Absent | c.5159delGc.5979dupA | p.Arg1720LeufsX2p.Glu1994ArgfsX3 |
P_12 | F | 73 | LGMD2B | 0 | 0 | Absent | c.2875C>Tc.2875C>T | p.Arg959Trpp.Arg959Trp |
P_13 | M | MM | 0 | 0 | Patchy sarcolemmal pattern | c.4003G>Ac.4003G>A | p.Glu1335Lysp.Glu1335Lys | |
P_14 | F | 28 | DACM | 0 | 0 | Absent | c.5594delGc.5594delG | p.Gly1865AlafsX 101p.Gly1865AlafsX 101 |
P_15 | F | 29 | MM | 0 | 18 | Patchy sarcolemmal pattern | c.5979dupAc.9124C>T | p.Glu1994ArgfsX3p.Arg2042Cys |
P_16 | M | 17 | LGMD2B | 0 | 0 | Sarcoplasm granular pattern | c.4882G>Ac.4882G>A | p.Gly1628Argp.Gly1628Arg |
P_17 | M | 5 | LGMD2B | 0.2 | 0 | Absent | c.2779delGc.2779delG | p.Ala927LeufsX21p.Ala927LeufsX21 |
M- male; F- female; MM: Miyoshi myopathy; LGMD2B: limb girdle muscular dystrophy; DACM: Distal anterior compartment myopathy.
The mutations of patients P_1, P_2, P_4, P_5, P_6, P_10, P_13, P_14 [12], [17], P_15 [8] and P_17 [26] have been previously described. The intronic mutation, c. 4410+13T>G, of P_7 has been previously described in the Leyden Muscular Dystrophy web page (www.dmd.nl) (Accession number used NM_003494.2).