Distal hereditary motor neuropathies (dHMN) comprise a heterogenous group of diseases that share the common feature of a length-dependent predominantly motor neuropathy. Many forms of dHMN have minor sensory abnormalities and/or a significant upper-motor-neuron component, and there is often an overlap with the axonal forms of Charcot-Marie-Tooth disease (CMT) [DS:H00264] and with juvenile forms of amyotrophic lateral sclerosis [DS:H00058] and hereditary spastic paraplegia [DS:H00266]. The causative genes with autosomal dominant, recessive, and X-linked patterns of inheritance have implicated proteins with diverse functions. Distal HMN are classified into phenotypic subtypes according to age at onset, mode of inheritance, and presence of additional features.
Irobi J, Van Impe K, Seeman P, Jordanova A, Dierick I, Verpoorten N, Michalik A, De Vriendt E, Jacobs A, Van Gerwen V, Vennekens K, Mazanec R, Tournev I, Hilton-Jones D, Talbot K, Kremensky I, Van Den Bosch L, Robberecht W, Van Vandekerckhove J, Van Broeckhoven C, Gettemans J, De Jonghe P, Timmerman V
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Hot-spot residue in small heat-shock protein 22 causes distal motor neuropathy.
Evgrafov OV, Mersiyanova I, Irobi J, Van Den Bosch L, Dierick I, Leung CL, Schagina O, Verpoorten N, Van Impe K, Fedotov V, Dadali E, Auer-Grumbach M, Windpassinger C, Wagner K, Mitrovic Z, Hilton-Jones D, Talbot K, Martin JJ, Vasserman N, Tverskaya S, Polyakov A, Liem RK, Gettemans J, Robberecht W, De Jonghe P, Timmerman V
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Mutant small heat-shock protein 27 causes axonal Charcot-Marie-Tooth disease and distal hereditary motor neuropathy.
Antonellis A, Ellsworth RE, Sambuughin N, Puls I, Abel A, Lee-Lin SQ, Jordanova A, Kremensky I, Christodoulou K, Middleton LT, Sivakumar K, Ionasescu V, Funalot B, Vance JM, Goldfarb LG, Fischbeck KH, Green ED
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Glycyl tRNA synthetase mutations in Charcot-Marie-Tooth disease type 2D and distal spinal muscular atrophy type V.
Beetz C, Pieber TR, Hertel N, Schabhuttl M, Fischer C, Trajanoski S, Graf E, Keiner S, Kurth I, Wieland T, Varga RE, Timmerman V, Reilly MM, Strom TM, Auer-Grumbach M
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Exome sequencing identifies a REEP1 mutation involved in distal hereditary motor neuropathy type V.
Windpassinger C, Auer-Grumbach M, Irobi J, Patel H, Petek E, Horl G, Malli R, Reed JA, Dierick I, Verpoorten N, Warner TT, Proukakis C, Van den Bergh P, Verellen C, Van Maldergem L, Merlini L, De Jonghe P, Timmerman V, Crosby AH, Wagner K
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Heterozygous missense mutations in BSCL2 are associated with distal hereditary motor neuropathy and Silver syndrome.
de Fuenmayor-Fernandez de la Hoz CP, Lupo V, Bermejo-Guerrero L, Martin-Jimenez P, Hernandez-Lain A, Olive M, Gallardo E, Esteban-Perez J, Espinos C, Dominguez-Gonzalez C
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Distal hereditary motor neuronopathy as a new phenotype associated with variants in BAG3.
Deschauer M, Hengel H, Rupprich K, Kreiss M, Schlotter-Weigel B, Grimmel M, Admard J, Schneider I, Alhaddad B, Gazou A, Sturm M, Vorgerd M, Balousha G, Balousha O, Falna M, Kirschke JS, Kornblum C, Jordan B, Kraya T, Strom TM, Weis J, Schols L, Schara U, Zierz S, Riess O, Meitinger T, Haack TB
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Bi-allelic truncating mutations in VWA1 cause neuromyopathy.
Cortese A, Zhu Y, Rebelo AP, Negri S, Courel S, Abreu L, Bacon CJ, Bai Y, Bis-Brewer DM, Bugiardini E, Buglo E, Danzi MC, Feely SME, Athanasiou-Fragkouli A, Haridy NA, Isasi R, Khan A, Laura M, Magri S, Pipis M, Pisciotta C, Powell E, Rossor AM, Saveri P, Sowden JE, Tozza S, Vandrovcova J, Dallman J, Grignani E, Marchioni E, Scherer SS, Tang B, Lin Z, Al-Ajmi A, Schule R, Synofzik M, Maisonobe T, Stojkovic T, Auer-Grumbach M, Abdelhamed MA, Hamed SA, Zhang R, Manganelli F, Santoro L, Taroni F, Pareyson D, Houlden H, Herrmann DN, Reilly MM, Shy ME, Zhai RG, Zuchner S
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Biallelic mutations in SORD cause a common and potentially treatable hereditary neuropathy with implications for diabetes.
Maroofian R, Sarraf P, O'Brien TJ, Kamel M, Cakar A, Elkhateeb N, Lau T, Patil SJ, Record CJ, Horga A, Essid M, Selim L, Benrhouma H, Ben Younes T, Zifarelli G, Pagnamenta AT, Bauer P, Khundadze M, Mirecki A, Kamel SM, Elmonem MA, Ghayoor Karimiani E, Jamshidi Y, Offiah AC, Rossor AM, Youssef-Turki IB, Hubner CA, Munot P, Reilly MM, Brown AEX, Nagy S, Houlden H
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Reticulon 2 deficiency results in an autosomal recessive distal motor neuropathy with lower limb spasticity.
