Reza Maroofian, Payam Sarraf, Thomas J O'Brien, Mona Kamel, Arman Cakar, Nour Elkhateeb, Tracy Lau, Siddaramappa Jagdish Patil, Christopher J Record, Alejandro Horga, Miriam Essid, Laila Selim, Hanene Benrhouma, Thouraya Ben Younes, Giovanni Zifarelli, Alistair T Pagnamenta, Peter Bauer, Mukhran Khundadze, Andrea Mirecki, Sara Mahmoud Kamel, Mohamed A Elmonem, Ehsan Ghayoor Karimiani, Yalda Jamshidi, Amaka C Offiah, Alexander M Rossor, Ilhem Ben Youssef-Turki, Christian A Hübner, Pinki Munot, Mary M Reilly, André E X Brown, Sara Nagy, Henry Houlden
Heterozygous RTN2 variants have been previously identified in a limited cohort of families affected by autosomal dominant spastic paraplegia (SPG12-OMIM:604805) with a variable age of onset. Nevertheless, the definitive validity of SPG12 remains to be confidently confirmed due to scarcity of supporting evidence. In our study, we identified and validated seven novel or ultra-rare homozygous loss-of-function RTN2 variants in 14 individuals from seven consanguineous families with distal hereditary motor neuropathy (dHMN) using exome, genome and Sanger sequencing coupled with deep-phenotyping...
March 25, 2024: Brain