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Osteoporosis

Parathyroid hormone anabolic effect is not abrogated by neurofibromatosis haploinsufficiency

Published in Gene Therapy Weekly, May 18th, 2006

According to a study from the United States, the anabolic effect of parathyroid hormone is not abrogated by neurofibromatosis type 1 (NF1) gene haploinsufficiency.

"Approximately 50% of NF1 patients exhibit skeletal pathology, such as premature osteoporosis or pseudoarthroses. Loss of neurofibromin deregulates Ras signal transduction to affect generation of mitogen-activated protein kinase and Akt, both of which have been implicated in parathyroid hormone (PTH) anabolic mechanisms," wrote X. Yu and colleagues, Indiana University.

They continued, "Our aim was to determine if loss of neurofibromin impaired the anabolic effect of PTH on bone mass. Nf1...

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