MUSCULAR DYSTROPHY, BECKER TYPE; BMD; Induced pluripotent stem cell line derived from Fibroblast; Clinically affected with Becker muscular dystrophy; presented at age 22 with muscle weakness; initially carried diagnosis of Limb-Girdle muscular dystrophy; calf hypertrophy since childhood; tightness around legs noted as young child; difficulty walking up stairs noted at age 13-14; muscle weakness and atrophy of the biceps noted at age 22; by age 33 there was lordosis, grade III weakness of shoulder girdle, absent bicep jerks and modified Gower's maneuver; by age 37 there were absent bicep and tricep reflexes, normal brachioradialis, decreased patellar and ankle jerk on left but normal on the right, grade II weakness of the biceps and triceps, normal grip and forearm strength, grade II to III weakness of hamstrings with associated weakness of the adductors of the quadriceps, normal strength in the calves, ankles and feet, broadbased and labored gait due to weakness; twin brother (possibly identical) also affected; CPK of 1,718 at age 33; transaminase of 73 at age 33; muscle biopsy showed alteration of a long standing chronic myopathy and could be consistent with Limb-Girdle muscular dystrophy or Beckers muscular dystrophy; electromyogram showed primary myopathic changes; dystrophin gene shows no detectable deletion or duplication by multiplex ligation probe amplification (MLPA) analysis; DNA sequencing showed no detectable mutations.
Age: 38 YR
Biopsy Source: Skin
Ham's F12 deficient Medium
The cell line submitted to the Repository frozen was recovered and expanded. The expanded line was evaluated for viability surface antigen expression and alkaline phosphatase activity. Pluripotency was assessed via embryoid body (EB) formation and directe
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Liquid nitrogen. Dry ice.
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