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Impact of anti-PLK1 siRNA-containing F3-targeted liposomes on the viability of ...
Gomes-da-Silva, Lígia C.; Ramalho, José S.; de Lima, M. C. P.; Simões, Sérgio; Moreira, João N.We have previously described the development of novel sterically stabilized F3-targeted pH-sensitive liposomes, which exhibited the ability to target both cancer and endothelial cells. Herein, the therapeutic potential of those liposomes was assessed upon encapsulation of a siRNA against a well-validated molecular target, PLK1. Treatment of prostate cancer (PC3) and angiogenic endothelial (HMEC-1) cells with F3...
Towards a siRNA-containing nanoparticle targeted to breast cancer cells and the...
Gomes-da-Silva, Lígia C.; Santos, Adriana O.; Bimbo, Luís M.; Moura, Vera; Ramalho, José S.; Lima, Maria C. Pedroso de; Simões, Sérgio; Moreira, João N.The present work aimed at designing a lipid-based nanocarrier for siRNA delivery towards two cell sub-populations within breast tumors, the cancer and the endothelial cells from angiogenic tumor blood vessels. To achieve such goal, the F3 peptide, which is specifically internalized by nucleolin overexpressed on both those sub-populations, was used as a targeting moiety. The developed F3-targeted stable nuc...
The Ternary Rab27a-Myrip-Myosin VIIa Complex Regulates Melanosome Motility in t...
Lopes, Vanda S.; Ramalho, José S.; Owen, Dylan M.; Karl, Mike O.; Strauss, Olaf; Futter, Clare E.; Seabra, Miguel C.The retinal pigment epithelium (RPE) contains melanosomes similar to those found in the skin melanocytes, which undergo dramatic light-dependent movements in fish and amphibians. In mammals, those movements are more subtle and appear to be regulated by the Rab27a GTPase and the unconventional myosin, Myosin VIIa (MyoVIIa). Here we address the hypothesis that a recently identified Rab27a- and MyoVIIa-interacting...
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