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Large B-cell lymphoma microenvironment archetype profiles (LymphoMAPs). [tonsil frc]

ABSTRACT: Large B-cell lymphoma microenvironment archetype profiles (LymphoMAPs). [tonsil frc]

PROVIDER: PRJNA1267064 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR33679212_1.fastq.gz	Fastqsanger.gz
	SRR33679212_2.fastq.gz	Fastqsanger.gz
	SRR33679213_1.fastq.gz	Fastqsanger.gz
	SRR33679213_2.fastq.gz	Fastqsanger.gz
	SRR33679214_1.fastq.gz	Fastqsanger.gz

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Large B-cell lymphoma microenvironment archetype profiles (LymphoMAPs). [tonsil frc]

Project description:Large B-cell lymphomas (LBCL) are clinically and biologically heterogeneous lymphoid malignancies with complex microenvironments that are central to disease etiology. Here we have employed single-nucleus multiome profiling of 232 tumor and control biopsies to characterize diverse cell types and subsets that are present in LBCL tumors, effectively capturing the lymphoid, myeloid, and non-hematopoietic cell compartments. Cell subsets co-occurred in stereotypical Lymphoma Microenvironment Archetype Profiles (LymphoMAPs) defined by; (i) a sparsity of T-cells and high frequencies of cancer-associated fibroblasts and tumor-associated macrophages [FMAC]; (ii) lymph node architectural cell types with naïve and memory T-cells [LN]; or (iii) activated macrophages and exhausted CD8 T-cells [TEX]. Divergent patterns of cell-cell communication underpinned the transcriptional phenotypes of archetype-defining cell subsets resulting in exclusion, support or suppression of T-cells, respectively. Consistent with this, LymphoMAPs were associated with significantly different clinical outcomes following CD19 CAR T-cell therapy.

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Lymphe node vs. Tonsil

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Effect of PDGF-Ddstimulation on human tonsil ILC1

Project description:The effect of PDGF-DD on the gene expression of human tonsil ILC1 is unknown. We used microarray to determine the transcriptional differences between unstimulated and PDGF-DD-stimulated human tonsil ILC1.

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Gene expression in tonsil and oral epithelia

Project description:To study characteristics of the orapharyngeal epithelia which may influence susceptibility or resistance to HIV, we performed microarray analysis of the tonsil and gingival epithelium.Tonsil epithelium has been implicated in HIV pathogenesis, but its role in oral transmission remains controversial. We performed microarray analysis of Laser Capture Microdissected tonsil and gingival epithelium. Our data revealed that genes related to immune functions such as antibody production and antigen processing were increasingly expressed in tonsil compared to the epithelium of another oro-pharyngeal site, gingival epithelium. Importantly, tonsil epithelium highly expressed genes associated with HIV entrapment and/or transmission, including the HIV co-receptor CXCR4 and the potential HIV binding molecules, FcRγIII, complement receptor 2, and various complement components. This increased expression of molecules involved in viral recognition, binding and entry may favor virus-epithelium interaction in an environment with reduced innate anti-viral mechanisms. Specifically, secretory leukocyte protease inhibitor, an innate molecule with anti-HIV activity, was minimal in the tonsil epithelium, in contrast to oral mucosa. Collectively, our data suggest that increased expression of molecules associated with HIV binding and entry coupled with decreased innate anti-viral factors may render the tonsil a potential site for oral transmission. Keywords: Cross sectional

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