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Dystrophin is a large, rod-like cytoskeletal protein found at the inner surface of muscle fibers. Dystrophin is missing in Duchenne Muscular Dystrophy patients and is present in reduced amounts in Becker Muscular Dystrophy patients. The protein encoded by this gene is a peripheral membrane protein found associated with dystrophin and dystrophin-related proteins. This gene is a member of the syntrophin gene family, which contains at least two other structurally related genes.[7] The PDZ domain of syntrophin-α1(SNTA1), the most abundant isoform in the heart, has been reported to bind to the C-terminal domain of murine cardiac voltage-gated sodium channels (SkM2) causing altering ion channel activity leading to Long QT syndrome.[8][9]
^Castelló A, Brochériou V, Chafey P, Kahn A, Gilgenkrantz H (Jun 1996). "Characterization of the dystrophin-syntrophin interaction using the two-hybrid system in yeast". FEBS Lett. 383 (1–2): 124–8. doi:10.1016/0014-5793(96)00214-1. PMID8612778.
^Hedley PL, Jørgensen P, Schlamowitz S, Wangari R, Moolman-Smook J, Brink PA, Kanters JK, Corfield VA, Christiansen M (2009). "The genetic basis of long QT and short QT syndromes: a mutation update". Human Mutation. 30 (11): 1486–511. doi:10.1002/humu.21106. PMID19862833.
Miyagoe-Suzuki Y, Takeda SI (2002). "Association of neuronal nitric oxide synthase (nNOS) with alpha1-syntrophin at the sarcolemma". Microsc. Res. Tech. 55 (3): 164–70. doi:10.1002/jemt.1167. PMID11747091.
Blake DJ (2002). "Dystrobrevin dynamics in muscle-cell signalling: a possible target for therapeutic intervention in Duchenne muscular dystrophy?". Neuromuscul. Disord. 12 Suppl 1: S110–7. doi:10.1016/S0960-8966(02)00091-3. PMID12206805.
Iwata Y, Pan Y, Yoshida T, Hanada H, Shigekawa M (1998). "Alpha1-syntrophin has distinct binding sites for actin and calmodulin". FEBS Lett. 423 (2): 173–7. doi:10.1016/S0014-5793(98)00085-4. PMID9512352.
Newey SE, Benson MA, Ponting CP, Davies KE, Blake DJ (2001). "Alternative splicing of dystrobrevin regulates the stoichiometry of syntrophin binding to the dystrophin protein complex". Curr. Biol. 10 (20): 1295–8. doi:10.1016/S0960-9822(00)00760-0. PMID11069112.
Olalla L, Aledo JC, Bannenberg G, Márquez J (2001). "The C-terminus of human glutaminase L mediates association with PDZ domain-containing proteins". FEBS Lett. 488 (3): 116–22. doi:10.1016/S0014-5793(00)02373-5. PMID11163757.
Marchand S, Stetzkowski-Marden F, Cartaud J (2001). "Differential targeting of components of the dystrophin complex to the postsynaptic membrane". Eur. J. Neurosci. 13 (2): 221–9. doi:10.1046/j.1460-9568.2001.01373.x. PMID11168526.
Oak SA, Russo K, Petrucci TC, Jarrett HW (2001). "Mouse alpha1-syntrophin binding to Grb2: further evidence of a role for syntrophin in cell signaling". Biochemistry. 40 (37): 11270–8. doi:10.1021/bi010490n. PMID11551227.