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SelectScience
SelectScience
SelectScience® je inovativní online vydavatel v oboru vědy, který propojuje vědce s informacemi a pomáhá jim při výběru nejlepší laboratoře prostřednictvím kombinace bohatého obsahu, informací typu peer-to-peer a důvěryhodných recenzí produktů
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The Cellular Itinerary of Renal Aquaporin-2 Shuttling with 4.5x Expansion Microscopy

ZÁZNAM | Proběhlo Čt, 29.8.2024
Na tomto webináři budou prezentovány výsledky, které ukazují, že nově zavedená 4,5 expanzní mikroskopie je ideálním přístupem k získání podrobných informací o populaci vezikul AQP2.
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SelectScience: The Cellular Itinerary of Renal Aquaporin-2 Shuttling with 4.5x Expansion Microscopy
SelectScience: The Cellular Itinerary of Renal Aquaporin-2 Shuttling with 4.5x Expansion Microscopy

Aquaporin (AQP) water channels facilitate water diffusion across lipid bilayers following an osmotic gradient. AQPs are especially important in renal water reabsorption. AQP2 in the renal collecting duct mediates fine-tuning of urine volume in response to the antidiuretic hormone arginine vasopressin (AVP).

AVP mediates plasma membrane insertion of AQP2 from an intracellular reservoir of AQP2 containing vesicles, which instantly increases water reabsorption and urine concentration. The vesicle population cannot be resolved via conventional fluorescent microscopy, therefore detailed information regarding the AQP2 vesicular population is still lacking.

Expansion microscopy (ExM) addresses challenges in resolving vesicle populations. Newly established 4.5x ExM can increase resolution to 60–70 nm. In this webinar, Dr. Lene Niemann Nejsum, Professor of Epithelial Physiology and Pathophysiology at Aarhus University, will present results showing that 4.5 ExM is an ideal approach to obtain detailed information regarding the AQP2 vesicle population. Using 4.5x ExM, spinning disk microscopy and image processing, Dr. Nejsum and her team detected AQP2 vesicles/endosomes. Using different markers of the endosomal system, they obtained detailed information of the cellular AQP2 shuttling itinerary.

Key learning objectives

  • Understand how Aquaporin mediated water transport across lipid bilayers
  • Gain insight into Studies of intracellular vesicles using Expansion Microscopy
  • Learn more about the Use of Andor BC43 with Deconvolution for ExM

Who should attend?

Both new and experienced Imaris and BC43 users interested in accelerating microscopy projects. The research is relevant across life science projects where visualizsation and analysis is required.

Certificate of attendance

All webinar participants can request a certificate of attendance, including a learning outcomes summary, for continuing education purposes.

Presenter: Geraint Wilde (Business Manager - Life Science Microscopy, Oxford Instruments Andor)

Dr. Geraint Wilde attained a Ph.D. in Neuroscience in 1997 from the University of Southampton, UK, before holding a number of research positions. He focused on intracellular signalling and gene expression through live-cell imaging. Dr. Wilde eventually pursued a commercial career in microscopy and he joined Andor Technology in 2009, where he is now Product Manager for Microscopy Solutions.

Presenter: Dr. Lene Niemann Nejsum (Professor of Epithelial Physiology and Pathophysiology, Department of Clinical Medicine, Aarhus University)

Dr. Lene Niemann Nejsum is a Professor of Epithelial Physiology and Pathophysiology at Aarhus University, Denmark. She earned her PhD in Medicine in 2004, followed by a five-year postdoctoral position at Stanford University, and completed a Doctor medicinae in 2023 from Aarhus University. Her research focuses on epithelial function and aquaporin (AQP) water channels. Her lab investigates the AQP2 vesicle population in renal cells using advanced microscopy, achieving the first visualization of their 3D network. Additionally, her lab has discovered novel AQP functions in cellular morphology, adhesion, migration, and polarity—key mechanisms in cancer development and progression.

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