Spastic paraplegia 23 (SPG autosomal recessive) is a 25cM gene locus at 1q24-q32. A genome-wide linkage screen has associated this locus with a type of hereditary spastic paraplegia (HSP).
Further reading
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Blumen SC, Bevan S, Abu-Mouch S, Negus D, Kahana M, Inzelberg R, Mazarib A, Mahamid A, Carasso RL, Slor H, Withers D, Nisipeanu P, Navon R, Reid E (December 2003). "A locus for complicated hereditary spastic paraplegia maps to chromosome 1q24-q32". Annals of Neurology. 54 (6): 796–803. doi:10.1002/ana.10768. PMID 14681889. S2CID 12631177.