Does endothelial nitric oxide synthase deficiency in mice result in reduced chondrocyte proliferation and endochondral bone growth?
Our findings identify a novel and important role of eNOS in chondrocyte proliferation and endochondral bone growth and demonstrate that loss of eNOS results in premature cell cycle exit and prehypertrophic chondrocyte differentiation during cartilage development.
The increased PA associated with anxiety in COPD is, to our knowledge, a novel finding. However, it is unclear whether anxious patients with COPD are more restless, and use increased psychomotor activity as a coping mechanism, or whether those with COPD who push themselves to be more physically active experience more anxiety symptoms. Future studies should evaluate for anxiety and PA to better inform how to improve clinical outcomes.