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Effects of Simulated Weightlessness on Mechanotransduction in Osteoblasts
Objective Bone cells, particularly osteoblasts and osteocytes, can detect fluid flow as mechanical signal in situ, transduce the physical stimuli into biochemical signals and integrate these signals into appropriate changes in the architecture of bone. This process, termed mechanotransduction, is the essential cellular mechanism for the bone adaptation. Exposure to weightlessness during space flight may lead to a lower load state of stress, which can induce the osteopenia in crewmembers skeleton system. This study was aimed to explore the effects of weightlessness on mechanotransduction in osteoblasts.
