In pursuit of gene therapies for autism-linked conditions

Research image of gene-edited mouse liver cells compared to controls.

Latest ‘prime-editing’ tools tackle delivery, safety issues

The gene-editing advances make it easier to target specific tissues in mice and detect off-target effects.

By Charles Q. Choi
27 June 2023 | 5 min read
Long-tailed macaque in the canopy of a fruiting strangler fig tree, surrounded by ripening figs. Gunung Palung National Park, Borneo.
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RNA therapy restores gene function in monkeys modeling Angelman syndrome

The result raises hopes for an ongoing clinical trial in people — and offers fresh insight into the biology of imprinting and the UBE3A antisense transcript.

By Brendan Borrell
7 April 2023 | 5 min read
Illustration of a single patient in a clinical trial sitting on a bed in a glitchy, imperfectly rendered room.

Lessons from n-of-1 trials: A conversation with Joseph Gleeson

Some conditions are too rare for conventional drug trials, leading some scientists to test bespoke treatments in single participants. Gleeson discusses the merits — and limitations — of these tiny trials.

By Peter Hess
30 March 2023 | 7 min read
Jeremy Levin, chief executive officer of Ovid Therapeutics, stands against a bench in a lab.
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What next for Angelman?

A meeting in Texas reckons with the future of treatment, following two setbacks in 2020.

By Angie Voyles Askham
20 October 2022 | 16 min listen
An Ultragenyx employee removes materials from a lab freezer.
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Angelman therapy appears safer in restarted trial

Interim results from the previously paused trial suggest that doses of the experimental gene therapy drug GTX-102 are well tolerated in children with the autism-linked condition.

By Angie Voyles Askham
5 August 2022 | 4 min read

Neuron-specific virus overcomes barriers to brain-related gene therapy

A new viral variant can deliver genes exclusively to the brain, overcoming a key hurdle in treating neurological conditions using gene therapy.

By Holly Barker
14 January 2022 | 3 min read
lab technician pipetting in dramatic light
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Alternative gene-therapy approaches take aim at Rett syndrome

Methods that selectively increase levels of the Rett protein make for safer and more effective treatment strategies, some researchers say.

By Angie Voyles Askham
16 June 2021 | 7 min read

New gene therapy methods deliver promise

Two unpublished studies detail improved techniques for delivering gene therapies to the brain.

By Angie Voyles Askham
14 January 2021 | 4 min read
Ralf Schmid, the research director in Neurodevelopmental diseases at the Gene Therapy Program Orphan Disease Center, loads replicated mouse dna into wells in the gel before applying electric current to test the viability of the dna.
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A quest for Quincy: Gene therapies come of age for some forms of autism

A gene therapy for Angelman syndrome stands at the forefront of efforts to treat autism-linked conditions that stem from single genes.

By Lydia Denworth, Brendan Borrell
14 October 2020 | 26 min listen

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Research image of neurons in the fly’s ventral nerve cord.

New connectomes fly beyond the brain

Researchers are mapping the neurons in Drosophila’s ventral nerve cord, where the central nervous system meets the rest of the body.

By Laura Dattaro
26 July 2024 | 7 min read
Illustration of researchers talking to laypeople amidst strands of DNA.

Building an autism research registry: Q&A with Tony Charman

A purpose-built database of participants who have shared genomic and behavioral data could give clinical trials a boost, Charman says.

By Cathleen O’Grady
25 July 2024 | 8 min read

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