Wu, Shengming’s team published research in Advanced Functional Materials in 2021-08-02 | CAS: 83730-53-4

GSH-Depleted Nanozymes with Dual-Radicals Enzyme Activities for Tumor Synergic Therapy. Recommended basis is Sulfoximine, Bioisosteric. Products is: https://www.ambeed.com/products/50578-18-2.html, 145026-07-9

(2S)-2-Amino-4-(butylsulfonimidoyl)butanoic acid (BD136012) is a building block containing a sulfoximine group. Several CDK and ATR inhibitors have exemplified the utilization of the NH sulfoximine group as abioisostere for a sulfonamide group to overcome the main project hurdles of aqueous solubility, sulfonamide-mediated off-target activity and IP. Moreover, its NH group could be expediently further functionalized through Buchwald-Hartwig coupling reaction and multifarious nucleophilic reactions.. Recommended Products is: 4381-25-3 and 1621962-30-8.

Although inspiring progress has been achieved in tumor nanocatalytic therapies based on tailor-made nanozymes for converting hydrogen peroxide into reactive oxygen species (ROS) efficiently, most cytotoxic hydroxyl radicals do not spread far enough within a cell to damage the primary organelles for effective tumor therapy due to their short half-life time (?1¦Ìs). Developing a novel nanocatalyst platform involving longer half-life time ROS is desired. To this end, Fe3O4-Schwertmannite nanocomposites (Fe3O4-Sch) with triple-effect tumor therapy are constructed through a facile method. The Schwertmannite shell converts the ¡¤OH produced by Fe3O4 via the Fenton reaction into sulfate radicals with a longer half-life time (30¦Ìs). Combination of dual radicals exhibits overwhelming tumor inhibition efficacy. The nanocomposites also show the multifunctionality of good photothermal efficiency (33.2%) and synergistic oxidative stress amplification upon glutathione biosynthesis (GSH) depletion by the L-buthionine sulfoximine (BSO) mols. loaded in the hollow Fe3O4 cores. The comprehensive properties of the nanoplatform including the dual-radical production, Fe3O4 nanocrystal mediated PTT, and the BSO mediated GSH depletion result in remarkable tumor inhibition both in vitro and in vivo, which may pave a way to constructing a synergic catalytic nanoplatform for efficient tumor therapy.

GSH-Depleted Nanozymes with Dual-Radicals Enzyme Activities for Tumor Synergic Therapy. Recommended basis is Sulfoximine, Bioisosteric. Products is: https://www.ambeed.com/products/50578-18-2.html, 145026-07-9

Referemce:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem