For the annulus fibrosus (the outer ring of the disc made primarily of collagen), this mechanism may support healing of small tears and prevent further deterioration
However, in the cell types that possess the specific peptide receptor, its activation should lead to internalization of the ligand-nuclear hormone receptor complex
2020;181:70215.e20
Wound healinga tightly coordinated cascade involving keratinocytes, macrophages, fibroblasts, and endothelial cellsrequires robust angiogenesis during the proliferative phase to establish a nutrient/oxygen supply via granulation tissue vascularization [12, 15]
It also explains why the same person might be dosed differently at two points in time: as tolerance, response, and objectives shift, so can the appropriate amount
A person with vitamin B12 deficiency may develop anemia and other symptoms