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Using high-throughput automated patch clamp electrophysiology to identify novel TREK-1 modulators in an animal venom library

We developed a high-throughput, electrophysiological assay of TREK-1 function to identify novel modulators. The assay was optimized to identify both activators and inhibitors, providing comprehensive mechanistic data for high value, limited supply screening libraries, such as the venom fraction library used in this study (Targeted Venom Discovery Array, T-VDA, Venomtech, UK).

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Specialist Neuroscience Services

Highly specialised and tailored neuronal assays for pharmacological screening.

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Cardiac Safety Screening Services

Reliably evaluate the proarrhythmic and cardiotoxic liabilities of your compounds.

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Ion Channel and HTS Services

Specialist ion channel screening to accelerate early-stage screening and lead optimisation.

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Development and validation of a dual modality TREK-1 screening assay on the automated patch clamp Qube 384 platform

We report the development and optimisation of a TREK-1 functional assay using the Qube 384, an automated patch clamp platform capable of supporting high-throughput screening. The assay was optimized to identify both activators and inhibitors on the same plate, providing key mechanistic data for high value, limited supply screening libraries such as venom fractions used in this study (Targeted Venom Discovery Array, TVDA, Venomtech, UK).

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Scientifica PatchScope Pro: an integrated calcium-imaging and patch-clamp system suitable for selecting specific subsets of neurons for electrophysiology recordings

Scientifica’s PatchScope Pro is an integrated electrophysiology rig incorporating an inverted phase-contrast fluorescence microscope, motorised XY stage and PatchStar micromanipulators, suitable for patch-clamp recording.

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Fluorescence-based drug repurposing screen of the potassium channel, KV3.1 with V434L mutation

KV3.1 is a voltage-gated potassium channel encoded by the KCNC1 gene. Mutations in the KV3.1 protein can manifest as a variety of neurological disorders including myoclonic epilepsy and ataxia due to K+ channel mutation (MEAK), developmental epileptic encephalopathy (DEE), or hypotonia.

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Development of TRPML1-4A assays across manual, automated patch-clamp, and fluorescence-based platforms

The development and validation of electrophysiological assays to study TRPML1 is important to understand the function and pharmacology of the channel. We used a TRPML1 variant that lacks the endo-lysosomal retention sequences (TRPML1-4A), enabling the channel to express at the plasma membrane3. As such channel behaviour can be characterised by means of whole-cell patch-clamp and fluorescence-based techniques.

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Development of TRPML1-4A assays across manual, automated patch-clamp, and fluorescence-based platforms

We developed a suite of screening assays using manual patch-clamp, automated patch-clamp and fluorescence-based platforms capable of identifying modulators of the TRPML1-4A channel.

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In Vitro Assessment of Cardiac Risk in Drug Discovery

Clear decision-making data for your project team is vital to ensure you avoid costly issues related to QTc and QRS cardiac liabilities in the clinic.

Hear from industry experts, Derek Leishman (VP Translational and Quantitative Toxicology, Eli Lilly and Company) and Steve Jenkinson (Metrion).

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Metrion Biosciences is a contract research organisation (CRO) specialising in high-quality preclinical drug discovery services.
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