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Published on: September 4, 2012
Single-cell transcriptomics reveals an abnormal immune microenvironment in plasma cell mastitis
Qingtao Ni1, Gaohua Han1, Chi Pan2
1Department of Oncology, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou, China.
Insights
This study provides a detailed cellular and molecular analysis of plasma cell mastitis (PCM), revealing key immune cell alterations and gene expression changes. The findings offer a foundational resource for understanding PCM pathogenesis and developing new treatments.
Area of Science:
- Immunology
- Genomics
- Cell Biology
Background:
- Plasma cell mastitis (PCM) is a non-bacterial inflammatory breast disorder affecting women of reproductive age.
- A comprehensive analysis of the cellular and molecular landscape of PCM is lacking.
Purpose of the Study:
- To conduct a systematic, high-resolution analysis of the cellular and molecular characteristics of plasma cell mastitis.
- To identify key cell types, gene expression patterns, and cellular interactions in PCM tissue.
Main Methods:
- Utilized Comprehensive Cellular Indexing of Transcriptomes and Epitopes by Sequencing (CITE-seq) on 10,185 cells from PCM tissue.
- Performed differential gene expression analysis, functional enrichment, and cellular communication analysis.
Main Results:
- Generated a detailed transcriptomic atlas of PCM, identifying thirteen distinct cell clusters and annotating eight cell types, including endothelial cells, common myeloid progenitor cells, and neutrophils.
- Revealed significant alterations in immune cell composition and differential gene expression between normal and PCM samples.
- Analyzed cellular communication networks to understand cell-to-cell interactions within the PCM microenvironment.
Conclusions:
- This study presents a systematic and valuable perspective on the cellular and molecular mechanisms underlying plasma cell mastitis.
- The generated data serves as a fundamental resource for future research into PCM pathogenesis, associated diseases, and potential therapeutic interventions.
Introduction:
Plasma cell mastitis (PCM) is a non-bacterial inflammatory breast disorder affecting young and middle-aged nonpregnant and nonlactating women. However, a comprehensive and systematic analysis of PCM has not been conducted.
Methods And Results:
Comprehensive cellular indexing of transcriptomes and epitopes by sequencing (CITE-seq) analysis was performed on 10,185 cells derived from PCM tissue to generate a highly detailed transcriptomic atlas. Thirteen distinct clusters were identified, and eight cell types were successfully annotated, including endothelial cells, common myeloid progenitor cells and neutrophils. Additionally, the overall alterations in immune cell composition in PCM patients were evaluated. Furthermore, differentially expressed genes between normal and PCM samples were assessed, and functional enrichment analysis was conducted. Finally, cellular communication and interaction were analysed to determine cell-to-cell communications.
Conclusion:
This study significantly contributes to the field of PCM, presenting a systematic and valuable perspective that serves as a fundamental resource for further exploration of the cellular and molecular mechanisms, pathogenesis of associated diseases and potential interventions.
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