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Designed NGF mimetics with reduced nociceptive signatures in neurons

GSE292792 Homo sapiens Expression profiling by high throughput sequencing 9 samples Submitted 2025/04/15 Platform GPL34284
Summary
The clinical use of Nerve Growth Factor (NGF) for neural regeneration has been hampered by pain sensitization side effects. NGF signals through the receptor tyrosine kinase TrkA and the co-receptor p75NTR; pain sensitization is thought to involve p75NTR. We sought to overcome this limitation by de novo design of a TrkA agonist that does not bind p75. We designed homodimeric TrkA engaging constructs that bring together two TrkA subunits in a variety of geometries, and identified those eliciting the strongest signaling. The resulting designed agonists are able to stimulate transdifferentiated neurons and neuroblastoma cell lines, leading to neurite outgrowth and neuronal differentiation, with considerably reduced transcription of inflammation and pain related genes. Although detailed in vivo characterization will be required to fully understand their therapeutic potential, these agonists are promising candidates for inducing neural regeneration with reduced pain side effects.
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Direct links to NCBI, no account and no request form: the whole study as GSE292792_RAW.tar, processed values as the series matrix, the supplementary file directory, and per-sample supplementary files for any of the 9 samples. Raw sequencing reads are also available from ENA.

Also filed as BioProject PRJNA1241267 and SRA study SRP572691. Searching any of these in the dataset finder brings you back here.

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