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Nanomedicine activation profile determines efficacy depending on tumor c-Myc expression - Vimarsana News

Nanomedicine activation profile determines efficacy depending on tumor c-Myc expression

It is known that c-Myc is involved in cancer cell proliferation and angiogenesis and changes the cell cycle, suppresses normal cell differentiation, and promotes cancer metastasis. It is a typical proto-oncogene that regulates many genes related to growth factors and is known to be involved in developing of many cancers, such as chromosomal translocation in Burkitt lymphoma. Therefore, drug discovery research is being conducted worldwide as an anticancer drug targeting this transcription factor that can directly attack cancer stem cells. However, since embryonic lethality occurs in c-Myc knoc...

Ultra-small nanomedicines which stably deliver oligonucleotides to refractory cancers - Vimarsana News

Ultra-small nanomedicines which stably deliver oligonucleotides to refractory cancers

Loading video... VIDEO: Nanomedicines consisting of one molecule of oligonucleotide and one or two molecules of Y-shaped block copolymer(s), of which the size is approximately 18 nm and is in dynamic equilibrium with free Y-shaped... view more  Credit: 2021 Innovation Center of NanoMedicine Summary Ultra-small nanomedicines of approximately 18 nm were fabricated by dynamic ion-pairing between Y-shaped block copolymers and nucleic acid drugs, such as siRNA and antisense drugs. Chemically modified and double-stranded oligonucleotides dramatically enhanced the stability of the ultra-smal...