Table 1.

NDD-linked mutations in genes encoding axonal transport machineries

ProteinGene with mutationInheritanceDisease: PhenotypesReferences
Microtubules 
α1A-tubulin TUBA1A AD: Missense/insertion/deletion mutations LIS3: Congenital microcephaly, mental retardation, no language development Fallet-Bianco et al., 2014; Poirier et al., 2013  
β2A-tubulin Class IIa TUBB2A AD: Missense mutations CDCBM5: Intellectual disability, hypotonia, developmental delay, epilepsy Cushion et al., 2014; Rodan et al., 2017; Schmidt et al., 2021  
β-tubulin Class I TUBB AD: Missense mutations CDCBM6: Delayed psychomotor development and microcephaly Breuss et al., 2012  
β2B-tubulin Class IIb TUBB2B AD: Missense mutations CDCBM7: Microcephaly, mental retardation, severe neuromotor impairment, no visual contact, infantile seizures Cederquist et al., 2012; Laquerriere et al., 2016  
β3-tubulin Class III TUBB3 AD: Missense mutations CDCBM1: Mental retardation, strabismus, axial hypotonia, and spasticity Fallet-Bianco et al., 2014; Poirier et al., 2010  
β6-tubulin Class V TUBB6 AD: Missense mutations FPVEPD: Bilateral ptosis and facial palsy, severe rhinophonia aperta with speech articulation defects Fazeli et al., 2017  
γ1-tubulin TUBG1 AD: Missense mutations CDCBM4: Complex cortical malformations, intellectual disability Poirier et al., 2013  
Motor proteins 
Kinesin-1 KIF5A AD: Missense mutations in tail domain NEIMY: Myoclonic seizures, lack of developmental progress Duis et al., 2016; Rydzanicz et al., 2017  
AD: Missense mutations in motor/stalk/tail domain SPG 10: Limb spasticity and weakness, sensorimotor polyneuropathy, cognitive impairment de Boer et al., 2021; de Souza et al., 2017; Méreaux et al., 2022  
AD: Missense mutations in stalk domain CMT2: Chronic axonal motor and sensory polyneuropathy de Boer et al., 2021  
KIF5B AR: Missense mutations Developmental and speech delay Charng et al., 2016  
KIF5C AD: Missense mutations in motor domain CDCBM2: Microcephaly, developed clonic seizures, severe intellectual disability de Ligt et al., 2012; Poirier et al., 2013  
Kinesin-2 KIF3B AD: Missense mutations in motor domain SZ: Cognitive impairment, delusions, hallucinations, disorganized speech and movements Alsabban et al., 2020  
Kinesin-3 KIF1A AD: Missense mutations in motor domain NESCAVS: Global developmental delay, intellectual disabilities, seizures Lee et al., 2015; Ohba et al., 2015  
AD: Missense mutations in motor domain HSES: Severe brain edema and atrophy, developmental delay, peripheral neuropathy, autonomic dysfunction Isobe et al., 2022  
AR: Truncating mutation HSN2C: Early onset of hereditary sensory neuropathy, distal muscle weakness, slowed speech development Rivière et al., 2011  
AD/AR: Missense mutations in motor domain SPG30: Early childhood onset unsteady spastic gait, hyperreflexia of the lower limbs, learning disabilities Citterio et al., 2015; Klebe et al., 2012; Nemani et al., 2020; Pennings et al., 2020  
KIF1Bβ AD: Missense mutations in motor domain CMT2A: Chronic axonal motor and sensory polyneuropathy Xu et al., 2018; Zhao et al., 2001  
Dynein DYNC1H1 AD: Missense mutations in motor/tail domain CDCBM13: Global developmental delay, intellectual disability, seizures Poirier et al., 2013; Vissers et al., 2010; Willemsen et al., 2012  
AD: Missense mutations in tail domain SMALED1: Early childhood onset of muscle weakness and atrophy Harms et al., 2012; Tsurusaki et al., 2012  
Myosin V MYO5A AR: Nonsense or truncating mutation Hindbrain malformation and developmental delay Charng et al., 2016  
Motor adaptors and regulatory proteins 
Kinesin-binding protein KIF1BP/KBP AR: Nonsense mutation GOSHS: Intellectual disability, microcephaly Brooks et al., 2005; Drévillon et al., 2013  
AR: Truncating mutations Polymicrogyria: Microcephaly Valence et al., 2013  
Bicaudal D2 BICD2 AD: Missense mutations SMALED2A: Early childhood onset of muscle weakness and atrophy Neveling et al., 2013; Peeters et al., 2013  
AD: Missense mutations SMALED2B: Decreased fetal movements, severe hypotonia, muscle atrophy, and respiratory insufficiency after birth Koboldt et al., 2018; Ravenscroft et al., 2016; Storbeck et al., 2017  
Lissencephaly 1 PAFAH1B1 AD: Missense or truncating mutations LIS: Developmental delay, early onset of seizures Reiner et al., 1993; Saillour et al., 2009  
NudE neurodevelopment protein 1 NDE1 AR: Truncating or nonsense mutations LIS4: Severe microcephaly, mental retardation, early-onset epilepsy Abdel-Hamid et al., 2019; Alkuraya et al., 2011  
AR: Nonsense mutation or intragenic deletion MHAC: Microcephaly, motor and mental retardation Abdel-Hamid et al., 2019; Guven et al., 2012  
Syntabulin SYBU N/A: Missense mutation Autism: Delayed or absent language development, learning disability, repetitive speech or motor behaviors, social deficits, seizure Herman et al., 2016; Xiong et al., 2021  
Disrupted in schizophrenia 1 DISC1 N/A: Missense mutation SZ9: Cognitive impairment, delusions, hallucinations, disorganized speech and movements Schumacher et al., 2009; Song et al., 2008  
FMRP FMR1 XLD: Missense and truncating mutations, unstable expanded CCG repeat FXS: Impaired intellectual development, autistic traits, distinct facial features, and seizures De Boulle et al., 1993; Grønskov et al., 2011; Kremer et al., 1991  
CLIPs CLIP1 AR ARID: Intellectual disability Larti et al., 2015  
ProteinGene with mutationInheritanceDisease: PhenotypesReferences
Microtubules 
α1A-tubulin TUBA1A AD: Missense/insertion/deletion mutations LIS3: Congenital microcephaly, mental retardation, no language development Fallet-Bianco et al., 2014; Poirier et al., 2013  
β2A-tubulin Class IIa TUBB2A AD: Missense mutations CDCBM5: Intellectual disability, hypotonia, developmental delay, epilepsy Cushion et al., 2014; Rodan et al., 2017; Schmidt et al., 2021  
β-tubulin Class I TUBB AD: Missense mutations CDCBM6: Delayed psychomotor development and microcephaly Breuss et al., 2012  
β2B-tubulin Class IIb TUBB2B AD: Missense mutations CDCBM7: Microcephaly, mental retardation, severe neuromotor impairment, no visual contact, infantile seizures Cederquist et al., 2012; Laquerriere et al., 2016  
β3-tubulin Class III TUBB3 AD: Missense mutations CDCBM1: Mental retardation, strabismus, axial hypotonia, and spasticity Fallet-Bianco et al., 2014; Poirier et al., 2010  
β6-tubulin Class V TUBB6 AD: Missense mutations FPVEPD: Bilateral ptosis and facial palsy, severe rhinophonia aperta with speech articulation defects Fazeli et al., 2017  
γ1-tubulin TUBG1 AD: Missense mutations CDCBM4: Complex cortical malformations, intellectual disability Poirier et al., 2013  
Motor proteins 
Kinesin-1 KIF5A AD: Missense mutations in tail domain NEIMY: Myoclonic seizures, lack of developmental progress Duis et al., 2016; Rydzanicz et al., 2017  
AD: Missense mutations in motor/stalk/tail domain SPG 10: Limb spasticity and weakness, sensorimotor polyneuropathy, cognitive impairment de Boer et al., 2021; de Souza et al., 2017; Méreaux et al., 2022  
AD: Missense mutations in stalk domain CMT2: Chronic axonal motor and sensory polyneuropathy de Boer et al., 2021  
KIF5B AR: Missense mutations Developmental and speech delay Charng et al., 2016  
KIF5C AD: Missense mutations in motor domain CDCBM2: Microcephaly, developed clonic seizures, severe intellectual disability de Ligt et al., 2012; Poirier et al., 2013  
Kinesin-2 KIF3B AD: Missense mutations in motor domain SZ: Cognitive impairment, delusions, hallucinations, disorganized speech and movements Alsabban et al., 2020  
Kinesin-3 KIF1A AD: Missense mutations in motor domain NESCAVS: Global developmental delay, intellectual disabilities, seizures Lee et al., 2015; Ohba et al., 2015  
AD: Missense mutations in motor domain HSES: Severe brain edema and atrophy, developmental delay, peripheral neuropathy, autonomic dysfunction Isobe et al., 2022  
AR: Truncating mutation HSN2C: Early onset of hereditary sensory neuropathy, distal muscle weakness, slowed speech development Rivière et al., 2011  
AD/AR: Missense mutations in motor domain SPG30: Early childhood onset unsteady spastic gait, hyperreflexia of the lower limbs, learning disabilities Citterio et al., 2015; Klebe et al., 2012; Nemani et al., 2020; Pennings et al., 2020  
KIF1Bβ AD: Missense mutations in motor domain CMT2A: Chronic axonal motor and sensory polyneuropathy Xu et al., 2018; Zhao et al., 2001  
Dynein DYNC1H1 AD: Missense mutations in motor/tail domain CDCBM13: Global developmental delay, intellectual disability, seizures Poirier et al., 2013; Vissers et al., 2010; Willemsen et al., 2012  
AD: Missense mutations in tail domain SMALED1: Early childhood onset of muscle weakness and atrophy Harms et al., 2012; Tsurusaki et al., 2012  
Myosin V MYO5A AR: Nonsense or truncating mutation Hindbrain malformation and developmental delay Charng et al., 2016  
Motor adaptors and regulatory proteins 
Kinesin-binding protein KIF1BP/KBP AR: Nonsense mutation GOSHS: Intellectual disability, microcephaly Brooks et al., 2005; Drévillon et al., 2013  
AR: Truncating mutations Polymicrogyria: Microcephaly Valence et al., 2013  
Bicaudal D2 BICD2 AD: Missense mutations SMALED2A: Early childhood onset of muscle weakness and atrophy Neveling et al., 2013; Peeters et al., 2013  
AD: Missense mutations SMALED2B: Decreased fetal movements, severe hypotonia, muscle atrophy, and respiratory insufficiency after birth Koboldt et al., 2018; Ravenscroft et al., 2016; Storbeck et al., 2017  
Lissencephaly 1 PAFAH1B1 AD: Missense or truncating mutations LIS: Developmental delay, early onset of seizures Reiner et al., 1993; Saillour et al., 2009  
NudE neurodevelopment protein 1 NDE1 AR: Truncating or nonsense mutations LIS4: Severe microcephaly, mental retardation, early-onset epilepsy Abdel-Hamid et al., 2019; Alkuraya et al., 2011  
AR: Nonsense mutation or intragenic deletion MHAC: Microcephaly, motor and mental retardation Abdel-Hamid et al., 2019; Guven et al., 2012  
Syntabulin SYBU N/A: Missense mutation Autism: Delayed or absent language development, learning disability, repetitive speech or motor behaviors, social deficits, seizure Herman et al., 2016; Xiong et al., 2021  
Disrupted in schizophrenia 1 DISC1 N/A: Missense mutation SZ9: Cognitive impairment, delusions, hallucinations, disorganized speech and movements Schumacher et al., 2009; Song et al., 2008  
FMRP FMR1 XLD: Missense and truncating mutations, unstable expanded CCG repeat FXS: Impaired intellectual development, autistic traits, distinct facial features, and seizures De Boulle et al., 1993; Grønskov et al., 2011; Kremer et al., 1991  
CLIPs CLIP1 AR ARID: Intellectual disability Larti et al., 2015  

NDD-linked genetic mutations in genes encoding the axonal transport machinery, along with their inheritance patterns and disease phenotypes.

Inheritance: AD, autosomal dominant; AR, autosomal recessive; N/A, not applicable; XLD, X-linked dominant; ARID, autosomal recessive intellectual disability; CDCBM1-13, complex cortical dysplasia with other brain malformations-1-13; CMT2, Charcot-Marie-Tooth disease 2; FPVEPD, facial palsy with ptosis and velopharyngeal dysfunction; FXS, fragile X syndrome; GOSHS, Goldberg-Shprintzen syndrome; HSES, hemorrhagic shock and encephalopathy syndrome; HSN2C, hereditary sensory neuropathy type IIC; IAHSP, infantile-onset ascending hereditary spastic paralysis; LIS, lissencephaly; LIS3, lissencephaly 3; LIS4, lissencephaly 4; MHAC, microhydranencephaly; NEIMY, neonatal intractable myoclonus; NESCAVS, neurodegeneration and spasticity with or without cerebellar atrophy or cortical visual impairment syndrome; SCZD, schizophrenia; SMALED1, lower extremity-predominant spinal muscular atrophy-1; SMALED2A, childhood-onset lower extremity-predominant spinal muscular atrophy-2A; SMALED2B, prenatal-onset lower extremity-predominant spinal muscular atrophy-2B; SPG10, spastic paraplegia type 10; SPG30, spastic paraplegia type 30.

or Create an Account

Close Modal
Close Modal