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Download "How mitochondrial uncouplers induces proton leak - Michael Grabe"

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Table of contents
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Table of contents

3:25
An explosive stimulates mitochondrial thermogenesis
4:18
DNP reverses Metabolic syndrome
5:51
Mitochondrial energy conversion
6:04
The mechanism of mitochondrial thermogenesis
8:18
Mitochondrial patch-clamp
8:54
Measuring currents across the whole inner mitochondrial membrane
9:49
Direct measurement of mitochondrial Hi leak of Subcutaneous beige fat mitochondria
11:23
UCP1 and Mitochondrial Carriers SLC25 family: all responsible for mitochondrial uncoupling?
11:56
ADPIATP carrier (AAC): a mitochondrial uncoupling protein?
15:20
Atomistic simulation to understand AAC1 - FA interactions
16:52
FA binds from outer leaflet to C-state
19:17
Headgroup must be titratable
20:21
What about DNP?
21:09
DNP has dramatic impact on IMM
22:03
DNP, a non-selective protonophore?
22:30
DNP affect on IMM is protein specific
23:08
DNP docking to C-state
24:28
DNP & FA do not overlap
25:30
DNP simulations
26:49
DNP stable in AAC1
30:14
Energetics of Ht permeation
32:00
A biophysical model of permeation
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Science
Research
Erc
Biology
Nanopores
Ion channels
Engineering
Physics
Grabe
mitochondrial
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Workshop "Frontiers in ion channels and nanopores: theory, experiments and simulation" (FICN2021) from 2-5 February 2021. Michael Grabe presents "How mitochondrial uncouplers induce proton leak". I will discuss on going work in collaboration with Dr. Yuriy Kirchok’s lab attempting to understand the mechanism of action of common mitochondrial uncouplers. Using both simulation and electrophysiological recordings directly from mitochondria, we show that fatty acids and well-known chemical uncouplers primarily induce proton leak across the inner-mitochondrial membrane via membrane proteins – not by shuttling directly across the membrane. Implications for energy metabolism will be discussed. Visit the nanoCAFÉ Research Group website: https://sites.google.com/uniroma1.it/nanocafe Visit the conference website: https://accounts.google.com/v3/signin/identifier?continue=https%3A%2F%2Fsites.google.com%2Funiroma1.it%2Fficn2021https%3A%2F%2Fsites.google.com%2Funiroma1.it%2Fficn2021&followup=https%3A%2F%2Fsites.google.com%2Funiroma1.it%2Fficn2021https%3A%2F%2Fsites.google.com%2Funiroma1.it%2Fficn2021&ifkv=ARZ0qKJCx0BBLQ59K6zeHhkoNK7PZiqOAOTUXLGRahpznMJisw7h2RiaDLt4Hzhaweoe_s7JNc5T&osid=1&passive=1209600&flowName=WebLiteSignIn&flowEntry=ServiceLogin&dsh=S1342448284%3A1712808821261320 Follow us on Twitter: https://twitter.com/HyGate_ERC This workshop is part of a project that has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No 803213).

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