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Transcriptional regulator PRDM12 is essential for human pain perception
Ya-Chun Chen1, Michaela Auer-Grumbach2, Shinya Matsukawa3
11] Department of Medical Genetics, University of Cambridge, Cambridge, UK. [2] Cambridge Institute for Medical Research, University of Cambridge, Cambridge, UK.
Nature Genetics
|May 26, 2015
Summary
Genetic mutations in PRDM12 cause congenital insensitivity to pain (CIP). This discovery highlights PRDM12
Area of Science:
- Neuroscience
- Genetics
- Developmental Biology
Background:
- Pain perception is a vital warning system, but chronic pain presents a significant health burden.
- Current pain treatments are often inadequate, necessitating novel therapeutic targets.
- Congenital insensitivity to pain (CIP) offers insights into pain mechanisms.
Purpose of the Study:
- To investigate the genetic basis of congenital insensitivity to pain (CIP).
- To identify the role of PRDM12 in sensory neuron development and pain perception.
Main Methods:
- Genetic analysis of individuals with CIP from 11 families.
- Identification of homozygous mutations in the PRDM12 gene.
- Expression analysis of Prdm12 in sensory neurons and Xenopus embryos.
- Assessment of the functional impact of PRDM12 mutations on epigenetic activity.
Main Results:
- Ten distinct homozygous mutations in PRDM12 were identified in subjects with CIP.
- PRDM12 is expressed in nociceptors and their developmental progenitors.
- Prdm12 plays a role in sensory neuron development in Xenopus.
- CIP-associated PRDM12 mutants impair histone modification, affecting epigenetic regulation.
Conclusions:
- PRDM12 is crucial for the development of sensory neurons and pain pathways.
- Mutations in PRDM12 lead to congenital insensitivity to pain.
- PRDM12 represents a potential therapeutic target for managing pain.
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