Moreover, Notch3 depletion reduces PAX3-FOXO1 alveolar RMS tumor growth in vivo.    ///    "Moreover, Notch3 depletion reduces PAX3-FOXO1 alveolar RMS tumor growth in vivo. "    ///    "The majority of alveolar RMS expresses PAX3-FOXO1 fusion oncoprotein, associated with the worst prognosis. "