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Chemical biology is the study of the chemicals and chemical reactions involved in biological processes, incorporating the disciplines of bioorganic chemistry, biochemistry, cell biology and pharmacology. Chemicals – including natural small molecules, such as lipids, carbohydrates and metals, or non-natural probe or drug molecules – are used to gain insight into biological problems at a mechanistic level.
Ferroptosis, a cell death mechanism induced by lipid peroxidation, is pivotal in tumor suppression. A recent study shows that tumor repopulating cells evade ferroptosis and develop resistance to therapy via subverting a lipid metabolism enzyme.
The Chilean soapbark tree is the source of QS-21 — a valuable but hard-to-obtain vaccine additive. Yeast strains engineered to express all components of the QS-21 biosynthetic pathway provide an alternative route to this therapeutic.
A hallucinogenic compound secreted by toads has served as a springboard for research into the therapeutic benefits of psychedelics. The findings suggest that these compounds exert antidepressant effects in part by binding an under-appreciated target in the brain.
Using two-photon fluorescence imaging, the authors show that superoxide anion in hepatic stellate cells impairs the infiltration of CD8+ T cells in a mouse model of hepatocellular carcinoma.
Inspired by the biologics of hematophagous organisms such as leeches, the authors in this work design and create inhibtors of thrombin and factor Xa by linking exosite-binding aptamers with small molecule active site inhibtors. They coin these inhibitors EXACT inhibitors.
Ferroptosis, a cell death mechanism induced by lipid peroxidation, is pivotal in tumor suppression. A recent study shows that tumor repopulating cells evade ferroptosis and develop resistance to therapy via subverting a lipid metabolism enzyme.
The Chilean soapbark tree is the source of QS-21 — a valuable but hard-to-obtain vaccine additive. Yeast strains engineered to express all components of the QS-21 biosynthetic pathway provide an alternative route to this therapeutic.
A hallucinogenic compound secreted by toads has served as a springboard for research into the therapeutic benefits of psychedelics. The findings suggest that these compounds exert antidepressant effects in part by binding an under-appreciated target in the brain.
An artificial metalloenzyme based on streptavidin with a biotinylated Rh(III) cofactor provides enantioselective access to various isoindolones with different functional groups. Rational engineering of the streptavidin scaffold reverses the stereoselectivity, offering an enantiodivergent method for the synthesis of isoindolones.