ArticleMolecular and cellular biochemistry2016
The Trk family of neurotrophin receptors is downregulated in the lumbar spines of rats with congenital kyphoscoliosis.
Article in Molecular and cellular biochemistry, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 5 citations in OpenAlex.
- Congenital kyphoscoliosis: Analysis of vertebral abnormalities using model animals (Review).Experimental and therapeutic medicine · 2024Review
- Calcium sensing and signaling are impaired in the lumbar spine of a rat model of congenital kyphosis.European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2023Article
- Upregulated miR-224-5p suppresses osteoblast differentiation by increasing the expression of Pai-1 in the lumbar spine of a rat model of congenital kyphoscoliosis.Molecular and cellular biochemistry · 2020Article
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Authors and funding
8 authors at 1 institution in 1 country.
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Abstract
Congenital scoliosis is a condition characterized by spinal curvature beyond the physiological norm. The molecular mechanisms underlying the pathogenesis of congenital scoliosis are beginning to be clarified; however, the genes related to congenital scoliosis are still unknown. We herein report the results of a comprehensive analysis of gene expression in the spines from a rat model of congenital kyphoscoliosis obtained using DNA microarrays. The rats (Ishibashi rats, IS) showed decreased expression levels of genes associated with bone formation, such as those associated with retinol metabolism and type I collagen. Interestingly, the flexion sites of the IS rats showed low expression levels of tropomyosin receptor kinases (Trks: TrkA, TrkB, and TrkC), which belong to the neurotrophic receptor tyrosine kinase family. Moreover, this phenomenon was observed only in the flexion sites of the spine, and the expression levels of Trks in other parts of the spine in these rats were normal. The decreased expression levels of Trks were observed at both the mRNA and protein levels. We also observed that the number of Trk-immunopositive cells in the lumbar spine in the IS rats was lower than that in wild-type rats. These findings indicate that the Trks have an important function in regulating normal bone formation, and provide a molecular explanation for the pathogenesis of congenital kyphoscoliosis.
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