CryoEM structure of an MHC-I/TAPBPR peptide-bound intermediate reveals the mechanism of antigen proofreading

Consortia: HPAC

Sun Y, Pumroy RA, Mallik L, Chaudhuri A, Wang C, Hwang D, Danon JN, Dasteh Goli K, Moiseenkova-Bell VY, Sgourakis NG.
Proc Natl Acad Sci U S A. 2025 Jan 14;122(2):e2416992122. doi: 10.1073/pnas.2416992122. Epub 2025 Jan 9. PMID:39786927

All IFN-α Induces Heterogenous ROS Production in Human β-Cells Single-cell multiome and spatial profiling reveals pancreas cell type-specific gene regulatory programs driving type 1 diabetes progression The XCL1/XCR1 axis is upregulated in type 1 diabetes and aggravates its pathogenesis Expanding the engineered Treg multiverse TRAF6 integrates innate immune signals to regulate glucose homeostasis via Parkin-dependent and -independent mitophagy A Recombinase-Mediated Cassette Exchange Platform for a Triple Independent Inducible Expression System for Human Pluripotent Stem Cells Retrograde mitochondrial signaling governs the identity and maturity of metabolic tissues Identification of a vimentin-expressing α-cell phenotype in CF and normal pancreas Data from a multi-year targeted proteomics study of a longitudinal birth cohort of type 1 diabetes Generation of Human Chimeric Antigen Receptor Regulatory T Cells NKX2.2 and KLF4 cooperate to regulate α-cell identity Divergent roles of m(6)A in orchestrating brown and white adipocyte transcriptomes and systemic metabolism CryoEM structure of an MHC-I/TAPBPR peptide-bound intermediate reveals the mechanism of antigen proofreading BETA CELL DYSFUNCTION OCCURS INDEPENDENTLY OF INSULITIS IN TYPE 1 DIABETES PATHOGENESIS TMEM55A-mediated PI5P signaling regulates α-cell actin depolymerization and glucagon secretion Dissecting tumor transcriptional heterogeneity from single-cell RNA-seq data by generalized binary covariance decomposition The N6-methyladenosine RNA epigenetic modification modulates the amplification of coxsackievirus B1 in human pancreatic beta cells G6PC2 controls glucagon secretion by defining the set point for glucose in pancreatic α cells Changes in immunofluorescence staining during islet regeneration in a cystic fibrosis-related diabetes (CFRD) ferret model SARS-CoV-2 Spike S1 subunit triggers pericyte and microvascular dysfunction in human pancreatic islets T Cell Development and Responses in Human Immune System Mice LRH-1/NR5A2 targets mitochondrial dynamics to reprogram type 1 diabetes macrophages and dendritic cells into an immune tolerance phenotype HistoPlexer: Histopathology-based Protein Multiplex Generation using Deep Learning Targeting peptide antigens using a multiallelic MHC I-binding system Engineering synthetic suppressor T cells that execute locally targeted immunoprotective programs Genetic Discovery and Risk Prediction for Type 1 Diabetes in Individuals Without High-Risk HLA-DR3/DR4 Haplotypes The IsletTester mouse: an immunodeficient model with stable hyperglycemia for the study of human islets Sex-specific regulatory architecture of pancreatic islets from subjects with and without type 2 diabetes Trajectory of beta cell function and insulin clearance in stage 2 type 1 diabetes: natural history and response to teplizumab Combinatorial genetic engineering strategy for immune protection of stem cell-derived beta cells by chimeric antigen receptor regulatory T cells β-Cell gene expression stress signatures in types 1 and 2 diabetes 12-Lipoxygenase inhibition delays onset of autoimmune diabetes in human gene replacement mice Beta cell extracellular vesicle PD-L1 as a novel regulator of CD8+ T cell activity and biomarker during the evolution of type 1 diabetes Maturation and persistence of CAR T cells derived from human pluripotent stem cells via chemical inhibition of G9a/GLP Human peripancreatic adipose tissue paracrine signaling impacts insulin secretion, blood flow, and gene transcription Depolymerizing F-actin accelerates the exit from pluripotency to enhance stem cell-derived islet differentiation The Type 1 Diabetes T Cell Receptor and B Cell Receptor Repository in the AIRR Data Commons: a practical guide for access, use and contributions through the Type 1 Diabetes AIRR Consortium Emerging concepts and success stories in type 1 diabetes research: a roadmap for a bright future Calorie restriction increases insulin sensitivity to promote beta cell homeostasis and longevity in mice Vagal sensory neuron-derived FGF3 controls insulin secretion Itaconate drives mtRNA-mediated type I interferon production through inhibition of succinate dehydrogenase Thermal Denaturation of Fresh Frozen Tissue Enhances Mass Spectrometry Detection of Peptides Characterization of non-coding variants associated with transcription factor binding through ATAC-seq-defined footprint QTLs in liver HumanIslets.com: Improving accessibility, integration, and usability of human research islet data Cryopreservation of Stem Cell-Derived β-Like Cells Enriches for Insulin-Producing Cells With Improved Function Sol-moiety: Discovery of a water-soluble prodrug technology for enhanced oral bioavailability of insoluble therapeutics Increased Inflammation as well as Decreased Endoplasmic Reticulum Stress and Translation Differentiate Pancreatic Islets of Pre-symptomatic Stage 1 Type 1 Diabetes and Non-diabetic Cases Immune perturbations in human pancreas lymphatic tissues prior to and after type 1 diabetes onset Role of Sec61α2 translocon in insulin biosynthesis m(6)A mRNA methylation by METTL14 regulates early pancreatic cell differentiation
Follow
×

Follow

us on our social networks.

Email: hirnec@coh.org