ArticleScientific reports2016
Secreted Isoform of Human Lynx1 (SLURP-2): Spatial Structure and Pharmacology of Interactions with Different Types of Acetylcholine Receptors.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 53 citations in OpenAlex.
- SLURP2 Enlarges Adipocytes and Induces IL-23-Producing Macrophages in Murine Dermal Adipose Tissue.Experimental dermatology · 2026Article
- Pro-Inflammatory Protein PSCA Is Upregulated in Neurological Diseases and Targets β2-Subunit-Containing nAChRs.Biomolecules · 2025Article
- Changes in the Repertoire of Extracellular Vesicles Secreted by Skin Keratinocytes by the Human Protein SLURP-2.Doklady. Biochemistry and biophysics · 2025Article
- Upregulation of cholinergic modulators Lypd6 and Lypd6b associated with autism drives anxiety and cognitive decline.Cell death discovery · 2024Article
- Dissection of an impact of VDR and RXRA on the genomic activity of 1,25(OH)Molecular and cellular endocrinology · 2024Article
- Scalable production of recombinant three-finger proteins: from inclusion bodies to high quality molecular probes.Microbial cell factories · 2024Article
- Aβ1-42 Accumulation Accompanies Changed Expression of Ly6/uPAR Proteins, Dysregulation of the Cholinergic System, and Degeneration of Astrocytes in the Cerebellum of Mouse Model of Early Alzheimer Disease.International journal of molecular sciences · 2023Article
- Orientational Preferences of GPI-Anchored Ly6/uPAR Proteins.International journal of molecular sciences · 2022Article
- Membrane-mediated interaction of non-conventional snake three-finger toxins with nicotinic acetylcholine receptors.Communications biology · 2022Article
- New Three-Finger Protein from StarfishMarine drugs · 2022Article
- Article
- Characterization of an α 4/7-Conotoxin LvIF fromMarine drugs · 2021Article
- Potassium channel blocker crafted by α-hairpinin scaffold engineering.Biophysical journal · 2021Article
- Human Three-Finger Protein Lypd6 Is a Negative Modulator of the Cholinergic System in the Brain.Frontiers in cell and developmental biology · 2021Article
- Structural Diversity and Dynamics of Human Three-Finger Proteins Acting on Nicotinic Acetylcholine Receptors.International journal of molecular sciences · 2020Article
- Evolution and Medical Significance of LU Domain-Containing Proteins.International journal of molecular sciences · 2019Review
- Acetylcholine signaling system in progression of lung cancers.Pharmacology & therapeutics · 2019Review
- From Synthetic Fragments of Endogenous Three-Finger Proteins to Potential Drugs.Frontiers in pharmacology · 2019Article
- Lynx Prototoxins: Roles of Endogenous Mammalian Neurotoxin-Like Proteins in Modulating Nicotinic Acetylcholine Receptor Function to Influence Complex Biological Processes.Frontiers in pharmacology · 2019Review
- Proteins and chemical chaperones involved in neuronal nicotinic receptor expression and function: an update.British journal of pharmacology · 2018Review
Corrections and comments
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Authors and funding
17 authors at 7 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Human-secreted Ly-6/uPAR-related protein-2 (SLURP-2) regulates the growth and differentiation of epithelial cells. Previously, the auto/paracrine activity of SLURP-2 was considered to be mediated via its interaction with the α3β2 subtype of the nicotinic acetylcholine receptors (nAChRs). Here, we describe the structure and pharmacology of a recombinant analogue of SLURP-2. Nuclear magnetic resonance spectroscopy revealed a 'three-finger' fold of SLURP-2 with a conserved β-structural core and three protruding loops. Affinity purification using cortical extracts revealed that SLURP-2 could interact with the α3, α4, α5, α7, β2, and β4 nAChR subunits, revealing its broader pharmacological profile. SLURP-2 inhibits acetylcholine-evoked currents at α4β2 and α3β2-nAChRs (IC50 ~0.17 and >3 μM, respectively) expressed in Xenopus oocytes. In contrast, at α7-nAChRs, SLURP-2 significantly enhances acetylcholine-evoked currents at concentrations <1 μM but induces inhibition at higher concentrations. SLURP-2 allosterically interacts with human M1 and M3 muscarinic acetylcholine receptors (mAChRs) that are overexpressed in CHO cells. SLURP-2 was found to promote the proliferation of human oral keratinocytes via interactions with α3β2-nAChRs, while it inhibited cell growth via α7-nAChRs. SLURP-2/mAChRs interactions are also probably involved in the control of keratinocyte growth. Computer modeling revealed possible SLURP-2 binding to the 'classical' orthosteric agonist/antagonist binding sites at α7 and α3β2-nAChRs.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.