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Periostin increases during spinal cord injury
Spinal cord injury (SCI) induces an acute alteration in bone metabolism. Although the aetiology of the bone disturbances is not precisely known, immobilisation reduces mechanical loading and the morphology of osteocytes, which are the primary mechanosensors. Periostin and Sclerostin are secreted mostly by osteocytes and are involved in bone’s mechanical response.
In a recent study using the Biomedica Periostin ELISA and Sclerostin ELISA, individuals with spinal cord injury presented higher serum Periostin levels in the acute phase and normal values in the chronic phase.
Conversely, serum Sclerostin levels were suppressed whatever the post-injury duration in the individuals with spinal cord injury. Paraplegia vs. tetraplegia and fragility fracture status seemed to influence Sclerostin levels only.
Maïmoun et al. Periostin and Sclerostin levels in individuals with spinal cord injury and their relationship with bone mass, bone turnover, fracture and osteoporosis status. Bone. 2019 127:612-619.