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Browsing by Author "Rauniyar, Khushbu"

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    Gliflozins, Sucrose and Flavonoids Are Allosteric Activators of Lecithin-Cholesterol Acyltransferase
    (Nature Portfolio, 2024) Niemela, Akseli; Giorgi, Laura; Nouri, Sirine; Yurttas, Betul; Rauniyar, Khushbu; Jeltsch, Michael; Koivuniemi, Artturi
    Lecithin-cholesterol acyltransferase (LCAT) serves as a pivotal enzyme in preserving cholesterol homeostasis via reverse cholesterol transport, a process closely associated with the onset of atherosclerosis. Impaired LCAT function can lead to severe LCAT deficiency disorders for which no pharmacological treatment exists. LCAT-based therapies, such as small molecule positive allosteric modulators (PAMs), against LCAT deficiencies and atherosclerosis hold promise, although their efficacy against atherosclerosis remains challenging. Herein we utilized a quantitative in silico metric to predict the activity of novel PAMs and tested their potencies with in vitro enzymatic assays. As predicted, sodium-glucose cotransporter 2 (SGLT2) inhibitors (gliflozins), sucrose and flavonoids activate LCAT. This has intriguing implications for the mechanism of action of gliflozins, which are commonly used in the treatment of type 2 diabetes, and for the endogenous activation of LCAT. Our results underscore the potential of molecular dynamics simulations in rational drug design.