0000000001011777

AUTHOR

Miriam E. Friede

showing 2 related works from this author

Clr-a: A Novel Immune-Related C-Type Lectin-like Molecule Exclusively Expressed by Mouse Gut Epithelium

2017

Abstract The mouse gut epithelium represents a constitutively challenged environment keeping intestinal commensal microbiota at bay and defending against invading enteric pathogens. The complex immunoregulatory network of the epithelial barrier surveillance also involves NK gene complex (NKC)–encoded C-type lectin-like molecules such as NKG2D and Nkrp1 receptors. To our knowledge, in this study, we report the first characterization of the orphan C-type lectin-like molecule Clr-a encoded by the Clec2e gene in the mouse NKC. Screening of a panel of mouse tissues revealed that Clec2e transcripts are restricted to the gastrointestinal tract. Using Clr-a–specific mAb, we characterize Clr-a as a …

0301 basic medicineImmunoblottingImmunologyCryptFluorescent Antibody TechniqueCell SeparationBiologyMice03 medical and health sciences0302 clinical medicineDownregulation and upregulationC-type lectinAnimalsImmunology and AllergyLectins C-TypeIntestinal MucosaReceptorMice Inbred BALB CReverse Transcriptase Polymerase Chain ReactionFlow CytometryNKG2DIntestinal epitheliumMolecular biologyGut EpitheliumMice Inbred C57BLImmunosurveillance030104 developmental biology030215 immunologyThe Journal of Immunology
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A point mutation in the Ncr1 signal peptide impairs the development of innate lymphoid cell subsets.

2018

International audience; NKp46 (CD335) is a surface receptor shared by both human and mouse natural killer (NK) cells and innate lymphoid cells (ILCs) that transduces activating signals necessary to eliminate virus-infected cells and tumors. Here, we describe a spontaneous point mutation of cysteine to arginine (C14R) in the signal peptide of the NKp46 protein in congenic Ly5.1 mice and the newly generated NCR(B6C14R) strain. Ly5.1(C14R) NK cells expressed similar levels of Ncr1 mRNA as C57BL/6, but showed impaired surface NKp46 and reduced ability to control melanoma tumors in vivo. Expression of the mutant NKp46(C14R) in 293T cells showed that NKp46 protein trafficking to the cell surface …

lcsh:Immunologic diseases. Allergy0301 basic medicineSignal peptideintracellular traffickingImmunologyCellCongenicinnate lymphoid cellsBiologymedicine.disease_causelcsh:RC254-28203 medical and health sciences0302 clinical medicinemedicineImmunology and Allergyddc:610congenic miceReceptorOriginal ResearchMutationEndoplasmic reticulumInnate lymphoid cellHEK 293 cellslcsh:Neoplasms. Tumors. Oncology. Including cancer and carcinogensCell biology030104 developmental biologymedicine.anatomical_structureOncologyactivation receptors[SDV.IMM]Life Sciences [q-bio]/Immunologylcsh:RC581-607030215 immunology
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