282  High CO2 levels drive the TCA cycle backwards towards autotrophy.

281  Melanocortin 3 receptor-expressing neurons in the ventromedial hypothalamus promote glucose disposal.

280  X-ray crystal structures reveal how anticoagulants inhibit a vitamin K regenerating enzyme.

279  Prebiotic synthesis of cysteine peptides that catalyze peptide ligation in neutral water.

278  Serine restriction alters sphingolipid diversity to constrain tumour growth.

277  Microbiota-modulated CART+ enteric neurons autonomously regulate blood glucose.

276  Mammalian lipid droplets are innate immune hubs integrating cell metabolism and host defense.

275  How cholesterol stiffens unsaturated lipid membranes.

274  Last step in the path of LDL cholesterol from lysosome to plasma membrane to ER is governed by phosphatidylserine.

273  Calcium-triggered fusion of lipid membranes is enabled by amphiphilic nanoparticles.

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