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Single cell paired heavy- and light-chain immunoglobulin sequencing of sorted Lyme disease plasmablasts

ABSTRACT: Lyme disease (Borrelia burgdorferi infection) is increasingly recognized as a significant source of morbidity world-wide. Here, we investigated B cell responses to Lyme disease through barcode-enabled single cell sequencing of activated B cells (plasmablasts) sorted from PBMCs. Bulk immunglobulin heavy-chain sequencing from this project has also been separately deposited. Additional information regarding patient characteristics and overlap with other data from the SLICE study is available upon request.

ORGANISM(S): Homo sapiens

PROVIDER: GSE114309 | GEO | 2018/12/21

REPOSITORIES: GEO

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Heavy chain immunoglobulin sequencing of Lyme disease PBMCs

Project description:Lyme disease (Borrelia burgdorferi infection) is increasingly recognized as a significant source of morbidity world-wide. Here, we investigated B cell responses to Lyme disease through molecular identifier-enabled antibody heavy chain sequencing of bulk B cells from PBMCs. Single-cell immunoglobulin sequencing of paired heavy- and light-chain genes from this project will also be separately deposited. Additional information regarding patient characteristics and overlap with other data from the SLICE study is available upon request.

2018-12-21 | GSE113938 | GEO

Epigenomic landscape of Lyme disease spirochetes reveals novel motifs

Project description:Borrelia burgdorferi, the etiological agent of Lyme disease, persists in nature through an enzootic cycle consisting of a vertebrate host and an Ixodes tick vector. The sequence motifs modified by two well-characterized restriction/modification loci of B. burgdorferi type strain B31 were recently described, but the methylation profiles of other Lyme disease Borrelia have not been characterized. Herein, the methylomes of B. burgdorferi type strain B31 and 7 clonal derivatives, along with B. burgdorferi N40, B. burgdorferi 297, B. burgdorferi CA-11, B. afzelii PKo, B. afzelii BO23, and B. garinii PBr, were defined through PacBio SMRT sequencing. This analysis revealed 9 novel sequence motifs methylated by the plasmid-encoded restriction/modification enzymes of these Borrelia strains. Furthermore, while a previous analysis of B. burgdorferi B31 revealed an epigenetic impact of methylation on the global transcriptome, the current data contradict those findings; our analyses of wild-type B. burgdorferi B31 revealed no consistent differences in gene expression among isogenic derivatives lacking one or more restriction/modification enzyme(s).

2021-03-24 | GSE169460 | GEO

Borrelia PeptideAtlas: A proteome resource of common Borrelia burgdorferi isolates for Lyme community

Project description:Lyme disease is a result from an infection by the spirochete Borrelia burgdorferi, and is the leading vector-borne disease in North America. Due to the genomic and proteomic variability of different B. burgdorferi isolates, the study and further comparison of their proteome is key to understand the biology and infectivity of these spirochetes. Mass spectrometry-based proteomics was used to assemble peptide datasets of laboratory isolates B31, MM1, B31-ML23, and the infective isolates B31-5A4, B31-A3, and 297, as well as other public datasets, and is publicly available as the Borrelia PeptideAtlas (http://www.peptideatlas.org/builds/borrelia/). These datasets include information on total proteome, secretome, and membrane proteome of the B. burgdorferi.

2024-09-03 | PXD046281 | Pride

Transcription profiling of human umbilical vein endothelial cells treated with Interferon-gamma (IFN-g), Borrelia burgdorferi or both IFN-g and Borrelia or untreated to investigate immune responses to Lyme disease

Project description:Borrelia burgdorferi, the agent of Lyme disease, promotes pro-inflammatory changes in endothelium that lead to the recruitment of leukocytes. The host immune response to infection results in increased levels of IFN-gamma in the serum and lesions of Lyme disease patients that correlate with greater severity of disease. Therefore, the effect of IFN-gamma on the gene expression profile of primary human endothelial cells exposed to B. burgdorferi was determined. B. burgdorferi and IFN-gamma synergistically augmented the expression of 34 genes, seven of which encode chemokines. Six of these (CCL7, CCL8, CX3CL1, CXCL9, CXCL10, and CXCL11) attract T lymphocytes, and one (CXCL2) is specific for neutrophils. Synergistic production of the attractants for T cells was confirmed at the protein level. IL-1beta, TNF-alpha, and LPS also cooperated with IFN-gamma to induce synergistic production of CXCL10 by endothelium, indicating that IFN-gamma potentiates inflammation in concert with a variety of mediators. An in vitro model of the blood vessel wall revealed that an increased number of human T lymphocytes traversed endothelium exposed to B. burgdorferi and IFN-gamma, as compared to unstimulated endothelial monolayers. In contrast, addition of IFN-gamma diminished the migration of neutrophils across B. burgdorferi-activated endothelium. IFN-gamma thus alters gene expression by endothelium exposed to B. burgdorferi in a manner that promotes recruitment of T cells and suppresses that of neutrophils. This modulation may facilitate the development of chronic inflammatory lesions in Lyme disease. Experiment Overall Design: Human umbilical vein endothelial cells (HUVEC) were stimulated with Interferon-gamma (IFN-g), Borrelia burgdorferi or both IFN-g and Borrelia or were left unstimulated. Affymetrix HGU133 plus 2.0 slides were used in duplicate for each condition.

2008-06-14 | E-GEOD-6092 | biostudies-arrayexpress

Single cell paired heavy- and light-chain immunoglobulin sequencing of sorted Lyme disease plasmablasts

Project description:Single cell paired heavy- and light-chain immunoglobulin sequencing of sorted Lyme disease plasmablasts

| PRJNA470930 | ENA

The Lyme disease bacterium, Borrelia burgdorferi, stimulates an inflammatory response in human choroid plexus epithelial cells

Project description:We report the results of gene expression profiling via RNA-sequencing of primary human choroid plexus epithelial cells in vitro that were infected with Borrelia burgdorferi, the causative agent of Lyme disease. Epithelial cells were cultured with B. burgdorferi for 48 hours prior to RNA isolation. Following high-throughput sequencing via Illumina HiSeq 4000, a total of 258 differentially expressed genes were identified. Subsequent data analysis indicates an inflammatory and immune response generated by the epithelial cells following infection, marked by chemotactic cytokines and interferon stimulated genes. Several genes associated with tight and adherens junctions were found to be downregulated. These data represent the first study to investigate the impact of B. burgdorferi on choroid plexus epithelial cells, implicating the choroid plexus in the pathogenesis of neurological manifestations of Lyme disease.

2020-07-10 | GSE153261 | GEO

Identification of a Molecular Signature for Acute Lyme Disease by Human Transcriptome Profiling

Project description:Lyme disease is challenging to diagnose, as clinical manifestations are variable and current tools to detect nucleic acid or antibody responses from Borrelia burgdorferi infection have low sensitivity. Here we conducted the first study of the global transcriptome of patients with Lyme disease to identify potential diagnostic biomarkers. Twenty-nine patients were enrolled and compared to 13 healthy controls at three time points after infection. Fifteen publicly available transcriptome datasets from patients in vivo or infection models in vitro were used to assess specificity of differentially expressed genes (DEGs). We found that Lyme disease results in profound and sustained changes in the patient transcriptomes, with a specific signature that shares 44% DEGs with other infections. Gene expression profile from peripheral mononuclear blood cells (PBMC) of Lyme disease patients against healthy controls was undertaken. A total of 29 Lyme disease patients were sampled at 3 time points: acute Lyme pre-treatment (V1), 3 weeks later, immediately following completion of a standard course of antibiotics (V2), and 6 months following treatment completion (V5). 13 healthy controls were also sampled at one time point. Total RNA was extracted from 10e7 PBMC, followed by mRNA purification, paired-end barcode library preparation and sequencing on an Illumina Hiseq 2000.

2016-02-15 | E-GEOD-63085 | biostudies-arrayexpress

Identification of a Molecular Signature for Acute Lyme Disease by Human Transcriptome Profiling

2016-02-15 | GSE63085 | GEO

Identification of the differences between gene expression in normal human dermal fibroblasts (NHDF cell line) infected with Borrelia burgdorferi sensu lato spirochetes

Project description:The similarity of Lyme borreliosis to other diseases and the complex pathogenesis cause diagnostic and therapeutic difficulties. Changes at the cellular and molecular level after Borrelia sp. infection remain still poorly understood. Therefore, the present study focused on the gene expression in human dermal fibroblasts in differentiation of infection with Borrelia garinii, Borrelia afzelii and Borrelia burgdorferi sensu stricto spirochetes. For microarray analysis 10 samples were used: 3 control samples - K, 2 samples of NHDF cells infected with Borrelia garinii - G, 2 samples of NHDF cells infected with Borrelia afzelii - A and 3 samples of NHDF cells infected with Borrelia burgdorferi sensu stricto - SS.

2015-05-12 | E-GEOD-68741 | biostudies-arrayexpress

A Diagnostic Classifier for Gene Expression-Based Identification of Early Lyme Disease

Project description:Lyme disease is a tickborne illness that causes an estimated 476,000 infections annually in the United States. New diagnostic tests are urgently needed, as existing antibody-based assays lack sufficient sensitivity and specificity. Using transcriptome profiling by RNA-Seq, targeted RNA sequencing, and machine learning (ML)-based classification of 218 subjects, we identified a 31-gene Lyme disease classifier (LDC) to discriminate early Lyme patients from “non-Lyme” controls infected with influenza, bacteremia, or tuberculosis or uninfected asymptomatic controls. Among the 31 classifier genes, 23 (74.2%) had previously been described in association with clinical investigations of Lyme disease patients or in vitro cell culture and rodent studies of Borrelia burgdorferi infection. Evaluation of the LDC using an independent test set of samples from 63 subjects (16 Lyme seropositive patients, 14 Lyme seronegative patients, and 33 controls) yielded an overall sensitivity of 90.0%, specificity of 100%, and accuracy of 95.2%. The LDC was positive in 85.7% of seronegative patients and persisted for ≥3 weeks in available longitudinal samples from 9 of 12 (75%) patients. These results highlight the potential clinical utility of a gene expression classifier for diagnosis of early Lyme disease.

2022-05-01 | GSE196192 | GEO

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