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https://www.selleckchem.com/products/Staurosporine.html The newly identified crystal symmetry of γ-GeSe warrants further studies on various physical properties of γ-GeSe.PROTACs (proteolysis targeting chimeras) are an emerging class of promising therapeutic modalities that degrade intracellular protein targets by hijacking the cellular ubiquitin-proteasome system. However, potential toxicity of PROTACs in normal cells due to the off-tissue on-target degradation effect limits their clinical applications. Precise control of a PROTAC's on-target degradation activity in a tissue-selective manner could minimize potential toxicity/side-effects. To this end, we developed a cancer cell selective delivery strategy for PROTACs by conjugating a folate group to a ligand of the VHL E3 ubiquitin ligase, to achieve targeted degradation of proteins of interest (POIs) in cancer cells versus noncancerous normal cells. We show that our folate-PROTACs, including BRD PROTAC (folate-ARV-771), MEK PROTAC (folate-MS432), and ALK PROTAC (folate-MS99), are capable of degrading BRDs, MEKs, and ALK, respectively, in a folate receptor-dependent manner in cancer cells. This design provides a generalizable platform for PROTACs to achieve selective degradation of POIs in cancer cells.The conformational dynamics of single-stranded DNA (ss-DNA) are implicated in the mechanisms of several key biological processes such as DNA replication and damage repair and have been modeled with those of semiflexible or flexible polymer. The high flexibility and customizability of ss-DNA also make it an excellent polymeric material for materials engineering. Polythymidine (poly(T)) is an excellent model ss-DNA as a flexible polymer since it does not form any secondary structure. However, only limited experimental results have been reported of poly(T) conformational dynamics with a very short length that is not relevant to the aforementioned processes and applications. Here, we provide the first experimental results

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