Protein Kinase C‐Delta (PKCδ) inhibition stabilizes endothelium and suppresses triple‐negative breast cancer (TNBC) intravasation in a microfluidic hypoxic tumor model. - Sigdel, Indira; Ofori‐Kwafo, Awurama; Al Mamun, Earshed; Tiwari, Amit K.; Tang, Yuan (Bioengineering & Translational Medicine, 2026)