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Propranolol inhibits stemness of hemangioma through Jagged1.

  • Xiaorong Ma‎ et al.
  • Annals of translational medicine‎
  • 2021‎

Propranolol is used clinically to treat infantile hemangioma (IH), although the exact mechanism that underlies its effectiveness is not fully understood. The Jagged1/Notch signaling pathway is downstream of the β2-adrenergic receptor (β2-AR). Propranolol is a non-selective β2-AR blocker that was shown to inhibit demethylation adrenaline-induced Jagged1 expression. A previous study has shown that propranolol dose-dependently inhibits the growth of IH. However, the effects of propranolol on stemness of IH are not known and are thus addressed in the current study.


Exosome-derived miR-196b-5p facilitates intercellular interaction in infantile hemangioma via down-regulating CDKN1B.

  • Qi-Zhang Wang‎ et al.
  • Annals of translational medicine‎
  • 2021‎

Though infantile hemangioma (IH) is a common benign vascular tumor, its pathogenesis remains unclear. This study explored the function of hemangioma-derived stem cells (HemSCs) derived exosomes, which exerted an intercellular effect on hemangioma-derived endothelial cells (HemECs).


Engineered exosomes for targeted delivery of miR-187-3p suppress the viability of hemangioma stem cells by targeting Notch signaling.

  • Ze-Liang Zhao‎ et al.
  • Annals of translational medicine‎
  • 2022‎

Infantile hemangioma (IH) is the most common benign vascular tumor of infancy and is proposed to arise from hemangioma stem cells (HemSCs). Therapies for IH include oral beta-blockers, surgery, and the delivery of novel therapeutic agents, such as bioactive microRNAs (miRNAs). However, in the extracellular environment, miRNA is easily hydrolyzed by RNase. miR-187-3p has previously been confirmed to promote or inhibit various malignancies, but its role in the development and progression of IH remains unclear.


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