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Search results for "Chun-Chun Chang"

Results found for "Chun-Chun Chang"

  • SLAS2022 International Conference and Exhibition

    We are closely monitoring any regulation changes from both Boston and Massachusetts with regard to in-person If there are any changes made that will impact our ability to hold the event in-person, we will notify Don't miss the chance to present your innovative research at this year's conference.

  • Choosing the Right GPCR Calcium Assay Readout for Measuring Receptor Activation

    discovery and screening applications Understanding GPCR Calcium Assays A GPCR calcium assay measures changes utilize genetically encoded calcium indicators (GECIs), which employ engineered fluorescent proteins that change measurements but typically require additional cell engineering and may exhibit sensitivity to intracellular pH changes Numerous endogenous pathways can contribute to changes in intracellular calcium levels, increasing the studying inverse agonism because constitutive receptor activity does not reliably produce measurable changes

  • Understanding Biased Signaling in GPCRs

    AMA will discuss how these formats diverge, particularly for allosteric ligands, where efficacy can change Allosteric modulators can alter signaling efficacy without changing ligand affinity, uncoupling binding It's the kind of clarity that changes how you read your own data.

  • Dynamic GPCR activation revealed through time-resolved Cryo-EM

    These receptors respond to a variety of signals by undergoing structural changes that activate internal brief sequential intervals following GTP addition, the research team identified the conformational changes The captured structures reveal a dynamic of conformational changes initiated by the binding of an agonist This early interaction sets the stage for a cascade of significant conformational changes. Concurrently, the Îą1 helix extends, propagating structural changes throughout the G protein.

  • Allosteric Binding Data Interpretation in Complex Receptor Systems

    The consequences for assay interpretation are direct: Observed affinity changes reflect altered receptor In contrast, the same curve in an allosteric system reflects a progressive change in receptor affinity implications: Curve shape alone cannot diagnose mechanism Rightward shifts do not imply competition Affinity changes Mechanistically: The allosteric ligand imposes a finite change in affinity (cooperativity constraint)

  • Why Intracellular Drugs May Hold the Key to GPCR Therapeutics

    Kenakin’s latest lecture delivers a game-changing framework for teams grappling with the gap between This lecture is a guide to understanding why intracellular drug access changes everything: from target scaffold permeability using modern, cost-effective pharmacokinetic assays   Why Intracellular GPCR Drugs Change

  • How Breakthroughs Happen: Eric Trinquet on Innovation, Serendipity & GPCRs

    lanthanide probes, the team realized they could tune these molecules to become exquisitely sensitive to pH changes : Endogenous GLP-1 internalization shown in beta cells 🚀 2025: Revvity launches pHSense A Day That Changed questions about constitutive activity, agonist-induced internalization, and cellular dynamics. 🔄 What Changed

  • Orthosteric Binding Experiments: How to Avoid the Most Common Data Pitfalls

    How two-stage GPCR binding creates “high” and “low” affinity states What temporal kinetics quietly change Changing tracer concentration moves the displacement curve. Changing receptor expression or G protein levels does not  remove curve heterogeneity. Non-specific binding control:  Adsorption to surfaces changes free ligand concentration.

  • Is Your Agonist Really “Working”—Or Are You Just Seeing What Your System Allows?

    In this eye-opening module, Terry Kenakin explores a concept that could change how you interpret pharmacological

  • Understanding Orthosteric Binding: The Key to Drug Action

    . 📚 Whether you're new to pharmacology or brushing up on basics, this lesson will change how you think The receptor may change shape upon binding, affecting how the drug interacts and how effective it will

  • Chemical Drug Matter : Rethinking the Molecules We Choose to Develop In Drug Discovery

    Allostery and Biased Signaling Change the Game The most profound change in GPCR drug discovery is our discovery teams, pharmacologists refining core skills, and R&D leads who need clear reasoning in a rapidly changing

  • Decoding GPCR Function: The Role of Mutagenesis in Rational Drug Discovery

    Mutagenesis involves deliberately altering the DNA sequence of a gene to study the resulting changes framework that combined mutagenesis and structural data to contextualise ligand-induced structural changes datasets, allowing researchers to determine the functional consequences of every possible amino acid change ligand-receptor interactions, mutagenesis fills crucial knowledge gaps by revealing how specific amino acid changes B., Chang, B., & Peisajovich, S. G. (2017).

  • Early Stage Biotech Hiring: What Really Holds a Team Together When the Science Starts to Drift

    In environments where the plan changes often, usefulness becomes the multiplier. Usefulness reveals itself only under pressure. ✅ Recognizing this difference changes how founders evaluate It also changes what questions matter when building the team. despite missing information. 2️⃣ How they react to shifting priorities: Ask about situations where plans changed

  • Orthosteric vs. Allosteric Interactions: The Silent Decider of Safety and Success

    Allosteric sites operate differently: ligands bind elsewhere, transmit energy changes, and shift the How Conformational Changes Drive Affinity and Efficacy A key takeaway from this session: affinity and That’s where Terry’s Corner changes the game.

  • Targeting GPCRs in the CNS: Advances in Drug Discovery Strategies

    neuromodulator, neurotransmitter, etc.), binds to the extracellular binding site of the GPCR, the protein changes the β2 adrenergic receptor (β2AR; PDB ID: 2RH1); (B) A ligand-bound GPCR undergoes a conformational change The conformation change induced by the agonist may not always lead to the same intracellular signaling

  • GPCR Collaboration: From Models to Medicine

    That perspective changed the moment he entered GPCR research . That candor changes the tone of collaboration . Pharmacologists know they aren’t being oversold. It also allows Carlsson to stay plugged into the fast-changing needs of biotech while keeping his academic

  • How Collaboration Drives GPCR Discoveries

    They start with a chance email, an unexpected visitor at the door, or the moment a team realizes the That changed when JB’s team walked in with a different lens.

  • Assay Sensitivity: The Hidden Lever Driving GPCR Drug Discovery

    is like adjusting the brightness on a microscope—set it right, and hidden details jump into focus, changing Can changing receptor density predict how your drug will behave across sensitive versus less sensitive That’s where Terry’s Corner  changes the game.

  • Glyco-sulfo hotspots in the chemokine receptor system

    extracellular loops and transmembrane domains of the receptor (CRS2), which will trigger conformational changes N-terminal region of chemokine receptors is indispensable for chemokine binding, where the negatively charged residues, as a consequence of the negatively charged aminoacids and post-translational modifications (PTMs), contribute to the high affinity binding to the positively charged groove on the chemokine. N-terminal PTMs include sulfation and glycosylation which contribute to the overall negative charge of

  • From Pipettes to Platforms: The Evolution of GPCR Research

    What Changed After This : High-throughput capabilities meant researchers could map GPCR signaling more But the heart of the field hasn’t changed.

  • The Chemistry of Confidence: Aha Moments That Shape Scientific Careers

    “The first time I wore my lucky cactus shirt to a major meeting... and it led to a game-changing collaboration

  • The Hidden Burn: How Internal Misalignment Drains Your Biotech’s Runway

    The date never changed. But the scope moved. If nothing changes after it, it was just a lab update. shared, milestone-driven roadmap tied to strategic decisions, not just scientific deliverables, momentum changes

  • The Hidden Operating Cadence That’s Actually Driving Your Biotech

    And until you see it, you can’t change it. What must change? What deserves escalation? ✅ A stable cadence doesn’t eliminate surprise.

  • Why “Displacement” Misleads You: Allosteric Binding Demystified

    Session, You’ll Gain: ✅ A clear explanation of why allosteric modulators don’t displace ligands—they change You’re no longer tracking the same protein species—and that changes everything.

  • How System-Level GPCR Thinking Prevents Discovery Failures

    Johannes Broichhagen Reliable imaging tools change how researchers see receptor behavior. specificity, relevance, and assay confidence Read the full HCS feature ➤ Why System-Level GPCR Thinking Changes

  • Transformative GPCR Insights: Unleash New Horizons in Science | Sep 9 - 15, 2024

    There are only 5 spots left for our upcoming courses, so seize the chance to learn from the best in announced the winners of its Transforming Cancer Therapeutics grant, which focuses on developing life-changing

  • How Early Strategic Decision Making Creates Alignment and Better Results

    They only feel the consequences months later, when it is hard to change momentum. 👉 This article is Why Results Appear Too Late to Change the Outcome 👉 Most teams focus on results because results feel underlying strategy is sound. 👉 When early strategic decision-making creates alignment, something changes

  • Inverse Agonists, Lymphatic Fixes & β-arrestin Tricks

    This week brings sharp new insights into how minor changes in ligand structure can flip GPCR function

  • 📰 GPCR Weekly News, April 29 to May 5, 2024

    announcements in today’s episode, so join us in this celebration and be the first to know about all the changes

  • When Pain Becomes a Catalyst: How Personal Experience Redefined One Scientist’s Mission

    But everything changed when his recurring pain — and the rigid protocols around opioid prescription —

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