Role of Sonic Hedgehog Signaling Pathway in Intervertebral Disc Formation and Maintenance.

Curr Mol Biol Rep

Department of Cell and Developmental Biology, Weill Cornell Medicine, Graduate School of Medical Sciences, New York, NY, 10065, USA.

Published: December 2018

A Purpose Of Review: The intervertebral discs (IVD) are an essential component of the spine. Degeneration of the discs, commonly due to age or injury, is a leading cause of chronic lower back pain. Despite its high prevalence, there is no effective treatment for disc disease due to limited understanding of disc at the cellular and molecular level.

B Recent Findings: Recent research has demonstrated the importance of the intracellular developmental pathway sonic hedgehog (Shh) during the formation and postnatal maintenance of the IVD. Recent studies corroborate that the down-regulation of SHH expression is associated with pathological changes in the IVDs and demonstrate the reactivation of the hedgehog pathway as a promising avenue for rescuing health disc structure and function.

C Summary: Understanding the role of developmental signaling pathways that regulate disc formation and maintenance may help develop strategies to recapitulate the same mechanism for disc treatment and hence improve the quality and longevity of patient lives.

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6345536PMC
http://dx.doi.org/10.1007/s40610-018-0107-9DOI Listing

Publication Analysis

Top Keywords

sonic hedgehog
8
disc formation
8
formation maintenance
8
disc
6
role sonic
4
hedgehog signaling
4
signaling pathway
4
pathway intervertebral
4
intervertebral disc
4
maintenance purpose
4

Similar Publications

Objectives: In the last two decades, scientists have gained a better understanding of several aspects of pituitary development. The signaling pathways that govern pituitary morphology and development have been identified, and the compensatory relationships among them are now known.

Aims: This paper aims to emphasize the wide variety of relationships between Pituitary Gland and Stem cells in hormone Production and disease prevention.

View Article and Find Full Text PDF

High cellular plasticity state of medulloblastoma local recurrence and distant dissemination.

Cell Rep Med

January 2025

Beijing Neurosurgical Institute, Beijing 100070, China; China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China; Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China. Electronic address:

Medulloblastoma (MB), a heterogeneous pediatric brain tumor, poses challenges in the treatment of tumor recurrence and dissemination. To characterize cellular diversity and genetic features, we comprehensively analyzed single-cell/nucleus RNA sequencing (sc/snRNA-seq), single-nucleus assay for transposase-accessible chromatin sequencing (snATAC-seq), and spatial transcriptomics profiles and identified distinct cellular populations in SHH (sonic hedgehog) and Group_3 subgroups, with varying proportions in local recurrence or dissemination. Local recurrence showed higher cycling tumor cell enrichment, whereas disseminated lesions had a relatively notable presence of differentiated subsets.

View Article and Find Full Text PDF

Cyclopamine inhibits corneal neovascularization and fibrosis by alleviating inflammatory macrophage recruitment and endothelial cell activation.

Int Immunopharmacol

January 2025

Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, Hubei 430030 China. Electronic address:

Purpose: To explore the function of cyclopamine in corneal neovascularization and subsequent fibrosis after cornea alkali-burn injury.

Methods: In vivo, mice cornea were injured by NaOH, and then treated with cyclopamine, clodronate liposomes (CLO-LPS), and vehicle of cyclopamine separately by subconjunctival injections. Clinical features were observed and pathological characteristics were examined.

View Article and Find Full Text PDF

Sonic Hedgehog signaling regulates the optimal differentiation pace from early-stage mesoderm to cardiogenic mesoderm in mice.

Dev Growth Differ

January 2025

Division of Anatomy and Developmental Biology, Department of Anatomy, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.

Sonic Hedgehog (Shh), encoding an extracellular signaling molecule, is vital for heart development. Shh null mutants show congenital heart disease due to left-right asymmetry defects stemming from functional anomaly in the midline structure in mice. Shh signaling is also known to affect cardiomyocyte differentiation, endocardium development, and heart morphogenesis, particularly in second heart field (SHF) cardiac progenitor cells that contribute to the right ventricle, outflow tract, and parts of the atrium.

View Article and Find Full Text PDF

Aging is a risk factor for several chronic conditions, including intervertebral disc degeneration and associated back pain. Disc pathologies include loss of reticular-shaped nucleus pulposus cells, disorganization of annulus fibrosus lamellae, reduced disc height, and increased disc bulging. Sonic hedgehog, cytokeratin 19, and extracellular matrix proteins are markers of healthy disc.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!