NewslettersMuscle Cell News Calcitonin Receptor Downregulation and Exercise-Conditioned Blood Enable Systemic Muscle Stem Cell Proliferation By Noshin Noorjahan - November 26, 2025 0 69 Researchers found that increased loading reduces calcitonin receptor (CalcR) expression, and forced activation of protein kinase A, a downstream of CalcR signaling, suppresses muscle stem cell proliferation. [Nature Communications] Full Article