Spastic paraplegia type 31
Dernière mise à jour 27 Apr 2021
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Spastic paraplegia type 31 is one of a group of genetic disorders known as hereditary spastic paraplegias. These disorders are characterised by progressive muscle stiffness (spasticity) and the development of paralysis of the lower limbs (paraplegia) caused by degeneration of nerve cells that trigger muscle movement (motor neurons). Hereditary spastic paraplegias are divided into two types: pure and complicated. The pure types involve only the lower limbs, while the complicated types also involve the upper limbs and other areas of the body, including the brain. Spastic paraplegia type 31 is usually a pure hereditary spastic paraplegia, although a few complicated cases have been reported.
Description
Spastic paraplegia type 31 is one of a group of genetic disorders known as hereditary spastic paraplegias. These disorders are characterised by progressive muscle stiffness (spasticity) and the development of paralysis of the lower limbs (paraplegia) caused by degeneration of nerve cells that trigger muscle movement (motor neurons). Hereditary spastic paraplegias are divided into two types: pure and complicated. The pure types involve only the lower limbs, while the complicated types also involve the upper limbs and other areas of the body, including the brain. Spastic paraplegia type 31 is usually a pure hereditary spastic paraplegia, although a few complicated cases have been reported.
The first signs and symptoms of spastic paraplegia type 31 usually appear before age 20 or after age 30. An early feature is difficulty walking due to spasticity and weakness, which typically affect both legs equally. People with spastic paraplegia type 31 can also experience progressive muscle wasting (amyotrophy) in the lower limbs, exaggerated reflexes (hyperreflexia), a decreased ability to feel vibrations, reduced bladder control, and high-arched feet (pes cavus). As the condition progresses, some individuals require walking support.
Inheritance patterns
The source lists the following possible inheritance patterns: Autosomal dominant. More than one pattern can apply in different cases.
Related genes
Other names
Autosomal dominant spastic paraplegia 31
Spastic paraplegia 31
SPG31
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Lectures complémentaires et références
- Spastic paraplegia type 31; MedlinePlus, National Library of Medicine.
- Beetz C, Schule R, Deconinck T, Tran-Viet KN, Zhu H, Kremer BP, Frints SG, van Zelst-Stams WA, Byrne P, Otto S, Nygren AO, Baets J, Smets K, Ceulemans B, Dan B, Nagan N, Kassubek J, Klimpe S, Klopstock T, Stolze H, Smeets HJ, Schrander-Stumpel CT, Hutchinson M, van de Warrenburg BP, Braastad C, Deufel T, Pericak-Vance M, Schols L, de Jonghe P, Zuchner S. REEP1 mutation spectrum and genotype/phenotype correlation in hereditary spastic paraplegia type 31. Brain. 2008 Apr;131(Pt 4):1078-86. doi: 10.1093/brain/awn026. Epub 2008 Mar 5.
- Goizet C, Depienne C, Benard G, Boukhris A, Mundwiller E, Sole G, Coupry I, Pilliod J, Martin-Negrier ML, Fedirko E, Forlani S, Cazeneuve C, Hannequin D, Charles P, Feki I, Pinel JF, Ouvrard-Hernandez AM, Lyonnet S, Ollagnon-Roman E, Yaouanq J, Toutain A, Dussert C, Fontaine B, Leguern E, Lacombe D, Durr A, Rossignol R, Brice A, Stevanin G. REEP1 mutations in SPG31: frequency, mutational spectrum, and potential association with mitochondrial morpho-functional dysfunction. Hum Mutat. 2011 Oct;32(10):1118-27. doi: 10.1002/humu.21542. Epub 2011 Sep 9.
- Hewamadduma C, McDermott C, Kirby J, Grierson A, Panayi M, Dalton A, Rajabally Y, Shaw P. New pedigrees and novel mutation expand the phenotype of REEP1-associated hereditary spastic paraplegia (HSP). Neurogenetics. 2009 Apr;10(2):105-10. doi: 10.1007/s10048-008-0163-z. Epub 2008 Nov 26.
- Zuchner S, Wang G, Tran-Viet KN, Nance MA, Gaskell PC, Vance JM, Ashley-Koch AE, Pericak-Vance MA. Mutations in the novel mitochondrial protein REEP1 cause hereditary spastic paraplegia type 31. Am J Hum Genet. 2006 Aug;79(2):365-9. doi: 10.1086/505361. Epub 2006 May 26.
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