Disease phenotype | OMIM | Gene symbol (chromosome) protein |
| Machado-Joseph disease | ATXN3 (14q24.3-q32.2) ataxin 3 | |
| Malignant hyperthermia susceptibility 1 | RYR1 (19q13.1) ryanodine receptor 1 (skeletal) | |
| Malignant hyperthermia susceptibility 2 | ? - (17q11.2-q24) | |
| Malignant hyperthermia susceptibility 3 | ? - (7q21-q22) | |
| Malignant hyperthermia susceptibility 4 | ? - (3q13.1) | |
| Malignant hyperthermia susceptibility 5 | CACNA1S (1q32) calcium channel, voltage-dependent, L type, alpha 1S subunit | |
| Malignant hyperthermia susceptibility 6 | ? - (5p) | |
| Mandibuloacral dysplasia with type a lipodystrophy | LMNA (1q21.2-q21.3) lamin A/C | |
| Marinesco-Sjogren syndrome | SIL1 (5q31) SIL1 homolog, endoplasmic reticulum chaperone | |
| MASA syndrome | L1CAM (Xq28) L1 cell adhesion molecule | |
| McArdle disease | PYGM (11q12-q13.2) glycogen phosphorylase | |
| Metavinculin, included | VCL (10q22.1-q23) vinculin | |
| Migraine familial hemiplegic 1, with progressive cerebellar ataxia | CACNA1A (19p13.2-p13.1) calcium channel, voltage-dependent, P/Q type, alpha 1A subunit | |
| Minicore myopathy with external ophthalmoplegia | SEPN1 (1p36.13) Selenoprotein N1 | |
| Minicore myopathy, severe classic form | SEPN1 (1p36.13) Selenoprotein N1 | |
| mitochondrial dna depletion syndrome, encephalomyopathic form, included | RRM2B (8q23.1) ribonucleotide reductase M2 B
ribonucleotide reductase M2 B (TP53 inducible)
| |
| Mitochondrial dna depletion syndrome, myopathic form | SUCLA2 (13q12.2-q13.3) succinate-CoA ligase, ADP-forming, beta subunit | |
| mitochondrial dna depletion syndrome, myopathic form | TK2 (16q22-q23) | |
| Miyoshi myopathy | DYSF (2p12-14) dysferlin | |
| Motor neuropathy, distal hereditary, with vocal cord paralysis | ? - (5q31) | |
| Motor neuropathy, distal, with vocal cord paralysis | ? - (2q14) | |
| Multiple acyl-CoA dehydrogenase deficiency | ETFA (15q23-q25) electron-transfer-flavoprotein, alpha polypeptide | |
| multiple acyl-coa dehydrogenase deficiency | ETFDH (4q32-q35) electron-transferring-flavoprotein dehydrogenase | |
| Muscle-eye-brain disease | POMGNT1 (1p34.1) O-linked mannose beta1,2-N-acetylglucosaminyltransferase | |
| Muscle-eye-brain disease | POMT2 (14q24.3) protein-O-mannosyltransferase 2 | |
| Muscle-eye-brain disease | FKRP (19q13.33) fukutin-related protein | |
| Muscular dystrophy with epidermolysis bullosa simplex | PLEC1 (8q24) plectin 1, intermediate filament binding protein 500kDa | |
| Muscular dystrophy, autosomal dominant, with rimmed vacuoles | ? - (19p13) | |
| Muscular dystrophy, cogenital, due to partial LAMA2 deficiency | LAMA2 (6q22-q23) laminin alpha 2 chain of merosin | |
| Muscular dystrophy, congenital merosin-deficient | LAMA2 (6q22-q23) laminin alpha 2 chain of merosin | |
| Muscular dystrophy, congenital, 1B | ? - (1q42) | |
| Muscular dystrophy, congenital, 1C | FKRP (19q13.33) fukutin-related protein | |
| Muscular dystrophy, facioscapulohumeral | ? - (4q35) | |
| Muscular dystrophy, facioscapulohumeral, type 1A | ? - (4q35) | |
| Muscular dystrophy, Fukuyama congenital | FCMD (9q31-q33) fukutin | |
| Muscular dystrophy, Limb-Girdle, type 1A | MYOT (5q31) myotilin | |
| Muscular dystrophy, limb-girdle, type 1B | LMNA (1q21.2-q21.3) lamin A/C | |
| Muscular dystrophy, Limb-Girdle, Type 1F | LGMD1F (7q32) ? | |
| Muscular dystrophy, limb-girdle, type 1G | LGMD1G (4q21) ? | |
| Muscular dystrophy, limb-girdle, type 2A | CAPN3 (15q15.1-q21.1) calpain 3 | |
| Muscular dystrophy, limb-girdle, type 2B | DYSF (2p12-14) dysferlin | |
| Muscular dystrophy, limb-girdle, type 2C | SGCG (13q12) gamma sarcoglycan | |
| Muscular dystrophy, limb-girdle, type 2D | SGCA (17q21) alpha sarcoglycan | |
| Muscular dystrophy, limb-girdle, type 2E | SGCB (4q12) beta sarcoglycan | |
| Muscular dystrophy, limb-girdle, type 2F | SGCD (5q33-q34) delta-sarcoglycan | |
| Muscular dystrophy, limb-girdle, type 2G | TCAP (17q12) telethonin | |
| Muscular dystrophy, limb-girdle, type 2H | TRIM32 (9q33.2) Tripartite motif-containing 32 | |
| Muscular dystrophy, limb-girdle, type 2I | FKRP (19q13.33) fukutin-related protein | |
| Muscular dystrophy, Limb-Girdle, type 2K | POMT1 (9q34.1) Protein-O-mannosyltransferase 1 | |
| Muscular dystrophy, limb-girdle, type 2L | FCMD (9q31-q33) fukutin | |
| Muscular dystrophy, limb-girdle, type 2L | ANO5 (11p14.3) anoctamin 5 | |
| Muscular dystrophy, limb-girdle, type IC | CAV3 (3p25) caveolin 3 | |
| Muscular dystrophy, proximal, type 1A | MYOT (5q31) myotilin | |
| Muscular dystrophy, rigid spine, 1 | SEPN1 (1p36.13) Selenoprotein N1 | |
| Myasthenia gravis, autosomal recessive | CHAT (10q11.2) choline acetyltransferase isoform | |
| Myasthenia gravis, familial infantile | CHAT (10q11.2) choline acetyltransferase isoform | |
| Myasthenia gravis, familial infantile, 2 | CHAT (10q11.2) choline acetyltransferase isoform | |
| Myasthenia, familial infantil, 1 | ? - (17q13) | |
| Myasthenic syndrome, congenital | RAPSN (11p11.2-p11.1) rapsyn | |
| Myasthenic syndrome, congenital, Ie, included | CHRNB1 (17p13.1) cholinergic receptor, nicotinic, beta 1 muscle | |
| Myasthenic syndrome, fast-channel congenital | CHRNA1 (2q24-q32) Acetylcholine receptor cholinergic receptor, nicotinic, alpha1 muscle | |
| Myasthenic syndrome, fast-channel congenital | CHRND (2q33-q34) cholinergic receptor, nicotinic, delta | |
| Myasthenic syndrome, fast-channel congenital | CHRNE (17p13-p12) cholinergic receptor, nicotinic, epsilon | |
| myasthenic syndrome, myopathy and epidermis bullosa | PLEC1 (8q24) plectin 1, intermediate filament binding protein 500kDa | |
| Myasthenic syndrome, slow-channel congenital | CHRNA1 (2q24-q32) Acetylcholine receptor cholinergic receptor, nicotinic, alpha1 muscle | |
| Myasthenic syndrome, slow-channel congenital | CHRNB1 (17p13.1) cholinergic receptor, nicotinic, beta 1 muscle | |
| Myasthenic syndrome, slow-channel congenital | CHRND (2q33-q34) cholinergic receptor, nicotinic, delta | |
| Myasthenic syndrome, slow-channel congenital | CHRNE (17p13-p12) cholinergic receptor, nicotinic, epsilon | |
| Myoclonus-dystonia syndrome | SGCE (7q21-q22) sarcoglycan, epsilon | |
| myofibrillar myopathy with bag3 defect | BAG3 (10q25.2-q26.2) BCL2-associated athanogene 3 | |
| myofibrillar myopathy ZASP-related | LDB3 (10q22) LIM domain binding 3 | |
| Myoglobinuria/hemolysis due to PGK deficiency | PGK1 (Xq13) phosphoglycerate kinase 1 | |
| Myopathy due to CPT II deficiency | CPT2 (1p32) carnitine palmitoyltransferase II | |
| Myopathy due to phosphoglycerate mutase deficiency | PGAM2 (7p13-p12) phosphoglycerate mutase 2 (muscle) | |
| Myopathy myofibrillar | MYOT (5q31) myotilin | |
| myopathy with deficiency of succinate dehydrogenase and aconitase | ICSU (12q24.1) iron-sulfur cluster scaffold homolog (E. coli) | |
| myopathy with exercise intolerance, swedish type | ICSU (12q24.1) iron-sulfur cluster scaffold homolog (E. coli) | |
| Myopathy with joint contractures, ophtalmoplegia, and rimmed vacuoles | MYH2 (17p13.1) | |
| myopathy with lactic acidosis, hereditary | ICSU (12q24.1) iron-sulfur cluster scaffold homolog (E. coli) | |
| Myopathy, actin | ACTA1 (1q42.13-q42.2) alpha actin, skeletal muscle | |
| Myopathy, cardioskeletal, desmin-related, with cataract | CRYAB (11q22.3-q23.1) crystallin, alpha B | |
| Myopathy, centronuclear, autosomal dominant | DNM2 (19p13.2) dynamin 2 | |
| Myopathy, congenital | ITGA7 (12q13) integrin alpha 7 precursor | |
| myopathy, congenital, with fiber-type disproportion | ACTA1 (1q42.13-q42.2) alpha actin, skeletal muscle | |
| myopathy, congenital, with fiber-type disproportion | SEPN1 (1p36.13) Selenoprotein N1 | |
| myopathy, congenital, with fiber-type disproportion | TPM3 (1q21-q23) tropomyosin 3 | |
| Myopathy, desmin-related, cardioskeletal | DES (2q35) desmin | |
| Myopathy, distal 1 | MYH7 (14q12) myosin, heavy polypeptide 7, cardiac muscle, beta | |
| Myopathy, distal 2 | MATR3 (5q31) | |
| Myopathy, distal, early-onset, autosomal dominant | ? - (14q) | |
| Myopathy, distal, with anterior tibial onset | DYSF (2p12-14) dysferlin | |
| Myopathy, myofibrillar, filamin C-related | FLNC (7q32) filamin C, gamma (actin-binding protein - 280) | |
| Myopathy, nemaline | ACTA1 (1q42.13-q42.2) alpha actin, skeletal muscle | |
| Myopathy, proximal, with earlyh respiratory muscle involvement | ||
| Myopathy, X-linked, with excessive autophagy | VMA21 (Xq28) vacuolar H+-ATPase homolog (S. cerevisiae) | |
| Myosin storage myopathy | MYH7 (14q12) myosin, heavy polypeptide 7, cardiac muscle, beta | |
| myosin, heavy chain, perinatal | MYH8 (17p13) Myosin heavy chain, 8, skeletal muscle, perinatal | |
| Myostatin | GDF8 (2Q32) myostatin, muscular hypertrophy | |
| Myotonia congenita, atypical, acetazolamide-responsive | SCN4A (17q23-q25.3) sodium channel, voltage-gated, type IV, alpha | |
| Myotonia congenita, autosomal dominant, Thomsen disease | CLCN1 (7q35) chloride channel 1, skeletal muscle (Thomsen disease, autosomal dominant) | |
| Myotonia congenita, autosomal recessive, Becker disease | CLCN1 (7q35) chloride channel 1, skeletal muscle (Thomsen disease, autosomal dominant) | |
| Myotonia recessive | CLCN1 (7q35) chloride channel 1, skeletal muscle (Thomsen disease, autosomal dominant) | |
| Myotonic dystrophy 1 | DMPK (19q13.3) myotonic dystrophy protein kinase | |
| Myotonic dystrophy, type 2 | ZNF9 (3q21) zinc finger protein 9 | |
| Myotubular myopathy, X-linked | MTM1 (Xq28) myotubularin | |
| MYXOMATOUS VALVULAR DYSTROPHY, X-LINKED | FLNA (Xq28) filamin A, alpha (actin binding protein 280) |