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Insights That Move the GPCR Field Forward
Read the latest analyses, interviews, and discoveries shaping the GPCR ecosystem — from research breakthroughs to biotech strategy.
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Celtarys News
Celtarys News features stories and insights by and about Celtarys Research, the company redefining fluorescence-based tools in GPCR drug discovery. From novel fluorescent ligands to cutting-edge assay development, these articles highlight the breakthroughs, collaborations, and science driving Celtarys’ mission to make receptor pharmacology more accessible, precise, and innovative.


Targeting GPCRs in the CNS: Advances in Drug Discovery Strategies
Choosing the right fluorescent tools is important for the success of drug discovery, just as much as choosing the right targets. One of the best tools to study therapeutic targets are fluorescent ligands, which are very useful in GPCR drug discovery, starting from hit and lead validation all the way to pre-clinical assays. Some of the advantages of using fluorescent ligands for this are

Lucía from Celtarys Research
Sep 234 min read


Optimizing HTRF Assays with Fluorescent Ligands: Time-Resolved Fluorescence in GPCR Research
What is Homogeneous Time-Resolved Fluorescence (HTRF)? HTRF is a hybrid detection technology that combines Förster Resonance Energy...

Lucía from Celtarys Research
Sep 174 min read


Integrating Fluorescent Ligands into Flow Cytometry: Enhancing GPCR Analysis Beyond Traditional Antibody Staining
Flow cytometry, a laser-based method, is used to examine single cells suspended in a fluid. By measuring the way these cells scatter...

Lucía from Celtarys Research
Sep 93 min read


Applications of Fluorescent Probes in Confocal Imaging of GPCRs: From Live to Fixed Cells
Applications of Fluorescent Probes in Confocal Imaging of GPCRs: From Live to Fixed Cells GPCRs are present across cell membranes...

Lucía from Celtarys Research
Sep 33 min read


Fluorescence Polarization in GPCR Research
The ability to identify compounds that interact with molecular targets involved in disease pathways is where the development of new...

Lucía from Celtarys Research
Aug 273 min read


Advantages of Fluorescent Probes in GPCR Assays
GPCRs pose a critical challenge in drug discovery: a vast therapeutic potential with many targets yet to be explored. 35% of...

Lucía from Celtarys Research
Jul 294 min read


Maria’s Travel Blogs: ACSMEDI-EFMC Medicinal Chemistry Frontiers 2025
Our CSO, Maria, has recently traveled to the US to attend the ACSMEDI-EFMC Medicinal Chemistry Frontiers 2025 , a conference organized by...

Lucía from Celtarys Research
Jul 143 min read


Differential binding of Δ9-tetrahydrocannabinol derivatives to type 1 cannabinoid receptors (CB1)
If you’ve read our previous post, you probably know what CELT-335 is and its high affinity for the cannabinoid 1 receptor (CB1R). During...

Lucía from Celtarys Research
Jun 303 min read


A robust and Efficient FRET-Based Assay for Cannabinoid Receptor Ligands Discovery.
1. Introduction 1.1 The Endocannabinoid System The Endocannabinoid System (ECS) is composed of the Cannabinoid Receptors 1 and 2...

Lucía from Celtarys Research
Jun 2511 min read


Radioligands vs. Fluorescent Ligands: Binding Assays
Understanding receptor-ligand interaction is key in drug discovery and biomedical research. Radioligands have been used to study GPCRs...

Lucía from Celtarys Research
Jun 163 min read


Fluorescence based HTS compatible ligand binding assays for dopamine D3 receptors in baculovirus preparations and live cells
1. Introduction Dopamine receptors are G-protein-coupled receptors (GPCRs), which have 5 subtypes -D1-5. The dysfunction of these...

Lucía from Celtarys Research
May 2911 min read


Conjugation Strategies for Probe Development
Hello Dr.GPCR readers! This is Lucía from the Celtarys Research chemistry team. For our very first post in this ecosystem, we wanted to...

Lucía from Celtarys Research
May 293 min read
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