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Alem W. Kahsai

Duke Medical Center · US
Area of research
Molecular Biology · Cellular and Molecular Neuroscience
Research interest
Research interests include Receptor Mechanisms and Signaling, Neuropeptides and Animal Physiology, Mass Spectrometry Techniques and Applications, and Protein Kinase Regulation and GTPase Signaling.
h-index
27
citations
3,862
works
51
NIH funding
primary concept
email

Recent publications

A positive allosteric modulator of the β1AR with antagonist activity for catecholaminergic polymorphic ventricular tachycardia
Journal of Clinical Investigation 2025cited by 1position: middledoi
Role of the V2R–βarrestin–Gβγ complex in promoting G protein translocation to endosomes
Communications Biology 2024cited by 15position: middledoi
Signal transduction at GPCRs: Allosteric activation of the ERK MAPK by β-arrestin
Proceedings of the National Academy of Sciences 2023cited by 56position: firstdoi
Allosteric modulator potentiates β2AR agonist–promoted bronchoprotection in asthma models
Journal of Clinical Investigation 2023cited by 13position: middledoi
GPCR-mediated β-arrestin activation deconvoluted with single-molecule precision
Cell 2022cited by 107position: middledoi
β-Arrestin–Biased Allosteric Modulator Potentiates Carvedilol-Stimulated β Adrenergic Receptor Cardioprotection
Molecular Pharmacology 2021cited by 41position: middledoi
Unique Positive Cooperativity Between the β-Arrestin–Biased β-Blocker Carvedilol and a Small Molecule Positive Allosteric Modulator of the β2-Adrenergic Receptor
Molecular Pharmacology 2021cited by 30position: middledoi
The GPCR–β-arrestin complex allosterically activates C-Raf by binding its amino terminus
Journal of Biological Chemistry 2021cited by 26position: middledoi
Mechanism of β <sub>2</sub> AR regulation by an intracellular positive allosteric modulator
Science 2019cited by 132position: middledoi
Small-Molecule Positive Allosteric Modulators of the β2-Adrenoceptor Isolated from DNA-Encoded Libraries
Molecular Pharmacology 2018cited by 92position: middledoi
Gq activity- and β-arrestin-1 scaffolding-mediated ADGRG2/CFTR coupling are required for male fertility
eLife 2018cited by 87position: middledoi
GPCR signaling: conformational activation of arrestins
Cell Research 2018cited by 27position: firstdoi
Distinct conformations of GPCR–β-arrestin complexes mediate desensitization, signaling, and endocytosis
Proceedings of the National Academy of Sciences 2017cited by 383position: middledoi
Mechanism of intracellular allosteric β2AR antagonist revealed by X-ray crystal structure
Nature 2017cited by 205position: middledoi
Allosteric “beta-blocker” isolated from a DNA-encoded small molecule library
Proceedings of the National Academy of Sciences 2017cited by 164position: middledoi
Arrestin-biased AT1R agonism induces acute catecholamine secretion through TRPC3 coupling
Nature Communications 2017cited by 115position: middledoi
GPCR-G Protein-β-Arrestin Super-Complex Mediates Sustained G Protein Signaling
Cell 2016cited by 565position: middledoi
Allosteric nanobodies reveal the dynamic range and diverse mechanisms of G-protein-coupled receptor activation
Nature 2016cited by 328position: middledoi
Conformationally selective RNA aptamers allosterically modulate the β2-adrenoceptor
Nature Chemical Biology 2016cited by 82position: firstdoi
Adaptive Activation of a Stress Response Pathway Improves Learning and Memory Through Gs and β-Arrestin-1–Regulated Lactate Metabolism
Biological Psychiatry 2016cited by 54position: middledoi
Visualization of arrestin recruitment by a G-protein-coupled receptor
Nature 2014cited by 506position: middledoi
Discovery of β2 Adrenergic Receptor Ligands Using Biosensor Fragment Screening of Tagged Wild-Type Receptor
ACS Medicinal Chemistry Letters 2013cited by 65position: middledoi

Grants

No grants ingested yet.

Frequent collaborators

Robert J. Lefkowitz · Howard Hughes Medical Institute16 papers (2013–2025)Seungkirl Ahn · Duke Medical Center12 papers (2013–2025)Biswaranjan Pani · Duke Medical Center10 papers (2016–2021)Li-Yin Huang · Duke Medical Center6 papers (2016–2023)Dean P. Staus · Duke University6 papers (2016–2021)Laura M. Wingler · Duke University5 papers (2013–2018) · 4 papers (2016–2017)A. Thomsen · New York University4 papers (2016–2024)Ryan T. Strachan · University of North Carolina at Chapel Hill4 papers (2016–2017)Xin Chen · Southwest University3 papers (2017–2018) · 3 papers (2016–2019)Paula Rambarat · Duke University Health System3 papers (2018–2021)Paul J. Shim · Beth Israel Deaconess Medical Center3 papers (2018–2023)Brian K. Kobilka · Stanford University3 papers (2016–2019)Michel Bouvier · Université Claude Bernard Lyon 12 papers (2016–2024) · 2 papers (2019–2023)Jin‐Peng Sun · Shandong University2 papers (2016–2017)Thomas Franch · Amgen (United States)2 papers (2017–2018)Thomas T. Xu · Ragon Institute of MGH, MIT and Harvard2 papers (2017–2018)Jan Steyaert · Vrije Universiteit Brussel2 papers (2016–2025)