The Off-Target Effects of SGLT2 Inhibitors and Metformin on AMPK Activation and Intestinal Contractility

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dc.contributor.advisorDocsa, Tibor
dc.contributor.advisorUray, Karen Lee
dc.contributor.advisordeptÁltalános Orvostudományi Kar::Orvosi Vegytani Intézet
dc.contributor.authorVije Vardana, Khashiya Khathoon
dc.contributor.departmentDE--Általános Orvostudományi Kar
dc.date.accessioned2026-06-11T17:33:44Z
dc.date.available2026-06-11T17:33:44Z
dc.date.created2026
dc.description.abstractThis study investigated the off-target effects of SGLT2 inhibitors and metformin on intestinal smooth muscle contractility, with particular emphasis on the role of AMP-activated protein kinase (AMPK). Ex vivo organ bath experiments were used to evaluate the effects of dapagliflozin and metformin on spontaneous and carbachol-induced contractions, while additional analyses examined the potential involvement of SGLT1/2 inhibition, the Na⁺/H⁺ exchanger (NHE), and AMPK signaling. Dapagliflozin significantly reduced intestinal contractility, and AMPK inhibition partially reversed this effect, suggesting that AMPK contributes to the observed response. However, the incomplete reversal indicates that additional mechanisms may also be involved, and biochemical confirmation of AMPK activation was not achieved within the study timeframe. These findings provide mechanistic insight into reduced intestinal contractility and suggest that AMPK activation contributes to the inhibitory effects of SGLT2 inhibition on intestinal motility. Understanding this relationship may help explain clinically observed gastrointestinal side effects and support strategies to improve patient adherence.
dc.description.coursemolekuláris biológia
dc.description.courselangangol
dc.description.coursespecBiokémia-genomika
dc.description.degreeegységes, osztatlan
dc.format.extent50
dc.identifier.urihttps://hdl.handle.net/2437/409433
dc.language.isoen
dc.rights.infoHozzáférhető a 2022 decemberi felsőoktatási törvénymódosítás értelmében.
dc.subjectDapagliflozin
dc.subjectAMP-activated protein kinase (AMPK)
dc.subjectIntestinal contractility
dc.subjectSmooth muscle
dc.subjectSGLT2 inhibitors
dc.subjectMyosin light-chain kinase (MLCK)
dc.subject.dspaceBiology::Molecular Biology
dc.subject.dspaceChemistry::Biochemistry
dc.subject.dspaceBiology::Animal Physiology
dc.titleThe Off-Target Effects of SGLT2 Inhibitors and Metformin on AMPK Activation and Intestinal Contractility
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