000 02528 am a22003253u 4500
042 _adc
100 1 0 _aHammond, Suzan M.
_eauthor
_92385
700 1 0 _aAbendroth, Frank
_eauthor
_92386
700 1 0 _aGoli, Larissa
_eauthor
_92387
700 1 0 _aStoodley, Jessica
_eauthor
_92388
700 1 0 _aBurrell, Matthew
_eauthor
_92389
700 1 0 _aThom, George
_eauthor
_92390
700 1 0 _aGurrell, Ian
_eauthor
_92391
700 1 0 _aAhlskog, Nina
_eauthor
_92392
700 1 0 _aGait, Michael J.
_eauthor
_92393
700 1 0 _aWood, Matthew J.A.
_eauthor
_92394
700 1 0 _aWebster, Carl I.
_eauthor
_92395
245 0 0 _aAntibody-oligonucleotide conjugate achieves CNS delivery in animal models for spinal muscular atrophy
260 _bAmerican Society for Clinical Investigation,
_c2022-12-22.
500 _a/pmc/articles/PMC7614086/
500 _a/pubmed/36346674
520 _aAntisense oligonucleotides (ASOs) have emerged as one of the most innovative new genetic drug modalities. However, their high molecular weight limits their bioavailability for otherwise-treatable neurological disorders. We investigated conjugation of ASOs to an antibody against the murine transferrin receptor, 8D3(130), and evaluated it via systemic administration in mouse models of the neurodegenerative disease spinal muscular atrophy (SMA). SMA, like several other neurological and neuromuscular diseases, is treatable with single-stranded ASOs that modulate splicing of the survival motor neuron 2 (SMN2) gene. Administration of 8D3(130)-ASO conjugate resulted in elevated levels of bioavailability to the brain. Additionally, 8D3(130)-ASO yielded therapeutic levels of SMN2 splicing in the central nervous system of adult human SMN2-transgenic (hSMN2-transgenic) mice, which resulted in extended survival of a severely affected SMA mouse model. Systemic delivery of nucleic acid therapies with brain-targeting antibodies offers powerful translational potential for future treatments of neuromuscular and neurodegenerative diseases.
540 _a© 2022 Hammond et al.
540 _ahttps://creativecommons.org/licenses/by/4.0/This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
546 _aen
690 _aResearch Article
_91689
655 7 _aText
_2local
786 0 _nJCI Insight
856 4 1 _uhttp://dx.doi.org/10.1172/jci.insight.154142
_zConnect to this object online.
999 _c1954
_d1954