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Researchers are actively identifying new ways to target G protein–coupled receptors (GPCRs), which are already the targets of roughly one-third of FDA-approved drugs. A study published in Nature in May 2026 by researchers at Duke University discovered that β-arrestin proteins can assemble into liquid-like clusters called condensates near activated receptors. These structures organize signaling molecules and regulate GPCR function. This discovery suggests new, potentially druggable mechanisms for fine-tuning cellular communication, offering strategies to design more targeted therapies for conditions ranging from asthma and heart disease to shock [1.5.1].