Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.1.3.1 (alkaline phosphatase)
 47,916 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Ectopic bone formation is thought to be responsible for ossification of the posterior longitudinal ligament of the spine (OPLL). Mesenchymal stem cells (MSCs) were isolated from spinal ligaments and shown to play a key role in the process of ectopic ossification. The purpose of this study was to explore the capacity of these MSCs to undergo lineage commitment and to assess the gene expression changes between these committed and uncommitted MSCs between OPLL and non-OPLL patients. Spinal ligament-derived cells were obtained from OPLL patients or patients with cervical spondylotic myelopathy (non-ossified) for comparison (n=8 in each group). MSCs from the two patient cohorts were evaluated for changes in colony forming ability; osteogenic, adipogenic and chondrogenic differentiation potential; and changes in gene expression following induction with lineage-specific conditions. We show that the osteogenic differentiation potential was significantly higher in MSCs from OPLL patients than in those from non-OPLL patients. In addition, alkaline phosphatase activity and several osteogenic-related genes expressions (bone morphogenetic protein 2, runt-related transcription factor 2 and alkaline phosphatase) were significantly higher in the OPLL group than in the non-OPLL group. However, single cell cloning efficiency, adipogenic and chondrogenic differentiation, and the expression of adipogenic and chondrogenic-related genes were equivalent between MSCs harvested from OPLL and non-OPLL patient samples. These findings suggest an increase in the osteogenic differentiation potential of MSCs from OPLL patients and that this propensity toward the osteogenic lineage may be a causal factor in the ossification in these ligaments.
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PMID:Osteogenic lineage commitment of mesenchymal stem cells from patients with ossification of the posterior longitudinal ligament. 2436 81

Context: Heterotopic ossification is characterized by abnormal growth of bone in soft tissues. Neurogenic heterotopic ossification is also closely related to central nervous system injuries and has been reported to respond to radial extracorporeal shock wave therapy.Findings: In this case, a radial extracorporeal shock wave therapy (five times per week, lasted for almost one year) was applied to a patient with neurogenic heterotopic ossification on the left hip as a result of spinal cord injury. Throughout the treatment session, the heterotopic ossification lesion was gradually diminished, associated with the increase in joint range of motion, pain mitigation and decrease in serum alkaline phosphatase level.Conclusion/clinical relevance: Long-term radial extracorporeal shock wave therapy offers a promising therapeutic alternative for neurogenic heterotopic ossification.
J Spinal Cord Med 2020 May 12
PMID:Long-term radial extracorporeal shock wave therapy for neurogenic heterotopic ossification after spinal cord injury: A case report. 3239 14


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