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Transcriptional profiling of CD8 cells laser captured from skin biopsies at dermal-epidermal junction and at deeper dermal area near blood vessel during the healed phase of mucocutaneous HSV-2 reactivation

ABSTRACT: We aim to get a comprehensive analysis on gene expression of CD8a+ T-cells during the post healed phases of HSV-2 reactivation at different anatomic location (CD8a+ cells at dermal-epidermal junction versus CD8a+ cells in deeper dermal area near blood vessel). Our hypothesis is that JC_CD8 cells may function as a resident effector-like T-cells while BV_CD8 cells may be infiltrating cells from circulation.

ORGANISM(S): Homo sapiens

PROVIDER: GSE44975 | GEO | 2013/04/11

SECONDARY ACCESSION(S): PRJNA192675

REPOSITORIES: GEO

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Transcriptional profiling of CD8 cells laser captured from skin biopsies at dermal-epidermal junction and at deeper dermal area near blood vessel during the healed phase of mucocutaneous HSV-2 reactivation

Project description:We aim to get a comprehensive analysis on gene expression of CD8a+ T-cells during the post healed phases of HSV-2 reactivation at different anatomic location (CD8a+ cells at dermal-epidermal junction versus CD8a+ cells in deeper dermal area near blood vessel). Our hypothesis is that JC_CD8 cells may function as a resident effector-like T-cells while BV_CD8 cells may be infiltrating cells from circulation. CD8 cells were immunofluorescently stained and laser captured from genital skin biopsies at dermal-epidermal junction at 2 and 8 weeks post healed (JC_2wks_CD8 and JC_8wks_CD8) and at deeper dermal area near blood vessel (BV_2wks_CD8 and BV_8wks_CD8); total RNA were purified from captured cells and cDNA were amplified from the total RNA using NuGEN pico kits

2013-04-11 | E-GEOD-44975 | biostudies-arrayexpress

Genome-wide analysis of keratinocytes laser captured from skin biopsies during the mucocutaneous HSV-2 reactivation

Project description:We aim to analyze the transcriptional profiles of keratinocytes near dermal-epidemal junction during HSV-2 reactivation in humans, including lesion, post healed (4 and 8 weeks post healing) and contra-lateral control biopsies. Since keratinocytes are the main target cells for HSV-2 infection, the goal is to define the intrinsic immunity of keratinocytes during HSV-2 reactivation in humans.

2017-05-05 | GSE98540 | GEO

Gene expression profiling of adult hair follicle dermal stem cells and progeny, dermal sheath and dermal papilla cells

Project description:Here we have developed a novel FACS strategy to prospectively isolate hair follicle dermal stem cells, dermal sheath and dermal papilla cells from adult skin initiating synchronous hair follicle regeneration and identified Hic1 as a marker of hfDSCs and Rspondins as stimulators of hfDSCs and epithelial cells, and subsequently hair follicle regeneration

2020-02-03 | GSE109256 | GEO

Gene expression profiling of adult hair follicle dermal stem cells and progeny, dermal sheath and dermal papilla cells

Project description:Gene expression profiling of adult hair follicle dermal stem cells and progeny, dermal sheath and dermal papilla cells

| PRJNA430248 | ENA

Transcription profiling of human lymphatic endothelial cells, mouse dermal cells and human skin cells reveals an inflammation-induced mechanism for leukocyte transmigration of lymphatic vessel endothelium.

Project description:The exit of antigen-presenting cells (APC) and lymphocytes from inflamed skin to afferent lymph is vital for the initiation and maintenance of dermal immune responses. How such exit is achieved and how cells transmigrate the distinct endothelium of lymphatic vessels is however unknown. Here we show that inflammatory cytokines trigger activation of dermal lymphatic endothelial cells (LEC) leading to expression of the key leukocyte adhesion receptors ICAM-1, VCAM-1 and E-selectin, as well as a discrete panel of chemokines and other potential regulators of leukocyte transmigration. Furthermore, we show that both ICAM-1 and VCAM-1 are induced in the dermal lymphatic vessels of mice exposed to skin contact hypersensitivity where they mediate lymph node trafficking of DC via afferent lymphatics. Lastly, we show that TNF_-stimulates both DC adhesion and transmigration of dermal LEC monolayers in vitro and that the process is efficiently inhibited by ICAM-1 and VCAM-1 adhesion-blocking mAbs. These results reveal a CAM-mediated mechanism for recruiting leukocytes to the lymph nodes in inflammation and highlight the process of lymphatic transmigration as a potential new target for anti-inflammatory therapy. Experiment Overall Design: Global gene expression profile of normal dermal lymphatic endothelial cells cultured in media alone (no TNF) compared to that of normal dermal lymphatic endothelial cells stimulated with TNFalpha, 1 ng/ml for 48h.Triplicate biological samples were analyzed from human lymphatic endothelial cells (3 x controls; 3 x TNF treated) and a single sample analyzed from mouse lymphatic endothelial cells (1 x controls; 1 x TNF treated).

2008-11-07 | E-GEOD-6257 | biostudies-arrayexpress

A methylation analysis of human normotrophic scar dermal fibroblasts

Project description:3mm punch biopsies were taken from a healed normotrophic scar and a contralateral matched control site in burn patients with a scar at least 1 year old. Fibroblasts were cultured from explants to passage 2 and DNA was extracted and run on methylation arrays to examine differences in scar and control fibroblast gene expression Normotrophic scar maintains its abnormal scar phenotype for the rest of the patients life, long after the injury has healed. Differences in gene expression may reaveal target genes that can be modulated to improve scar appearance

2019-09-10 | GSE137134 | GEO

Porcine dermal extracellular matrix LC-MSMS

Project description:Hitherto, microenvironments provided by dermal analogues could not avoid frequent split-thickness skin grafts (STSGs) failure and scar fibrosis. We reported a novel method assembling 3D-printed dermal analogues (PDAs) with porcine dermal extracellular matrix(dECM)'s recapitulated the latter’s compositional and topological features. These optimized PADs reduced skin wounds contraction and improved cosmetic upshots proving superior to STSGs and commercially available dermal templates. Once grafted onto wounds beds, optimized PDAs evoked a type-2-like immune response, activated type-2 macrophages (M2-Mφ), upregulated anti-inflammatory genes like Wnt11, Fgf16 and ATF3, downregulated profibrotic genes like Il13r⍺2, Itg⍺11, and IL1β, and hindered fibrosis. Thus, PDAs' beneficial effects resulted from preserved dermis-specific ECM cues (by mass spectrometry analysis we identified more than 200 unique protein species inside our dECM powder) and well-balanced physicochemical properties, which collaboratively modulated crucial endogenous signaling pathways.

2022-02-16 | PXD020956 | Pride

In vitro Exon Level Expression Profiling of dermal fibroblast

Project description:Transcriptome analysis of of control inhibitor and miR200b inhibitor transfected Human Dermal Adult Fibroblasts (HDAF) compared with Human Dermal Microvascular Endothelial Cells (HMEC). Injury induced inhibition of miR200b induces angiogenesis at the wound edges which help in the healing process. We have characterised the effect of miR200b suppression in Human Adult Dermal Fibroblasts converts to endothelial cells through transcriptional profiling. In this dataset, we include the expression data obtained from control inhibitor and miR200b inhibitor transfected Human Dermal Adult Fibroblasts, as well as Human Dermal Microvascular Endothelial Cells (HMEC) as positive control.

2017-12-31 | GSE89715 | GEO

An inflammation-induced mechanism for leukocyte transmigration of lymphatic vessel endothelium.

Project description:The exit of antigen-presenting cells (APC) and lymphocytes from inflamed skin to afferent lymph is vital for the initiation and maintenance of dermal immune responses. How such exit is achieved and how cells transmigrate the distinct endothelium of lymphatic vessels is however unknown. Here we show that inflammatory cytokines trigger activation of dermal lymphatic endothelial cells (LEC) leading to expression of the key leukocyte adhesion receptors ICAM-1, VCAM-1 and E-selectin, as well as a discrete panel of chemokines and other potential regulators of leukocyte transmigration. Furthermore, we show that both ICAM-1 and VCAM-1 are induced in the dermal lymphatic vessels of mice exposed to skin contact hypersensitivity where they mediate lymph node trafficking of DC via afferent lymphatics. Lastly, we show that TNF_-stimulates both DC adhesion and transmigration of dermal LEC monolayers in vitro and that the process is efficiently inhibited by ICAM-1 and VCAM-1 adhesion-blocking mAbs. These results reveal a CAM-mediated mechanism for recruiting leukocytes to the lymph nodes in inflammation and highlight the process of lymphatic transmigration as a potential new target for anti-inflammatory therapy. Keywords: TNFalpha, Lymphatic endothelium, induction, Inflammation

2006-12-05 | GSE6257 | GEO

Global profiling of human hair follicle scalp dermal papilla cells using Affymetrix microarrays

Project description:Dermal papilla cells isolated from the human hair follicle are capable of inducing hair growth in recipient epithelia. However, demonstrating disparity from rodent dermal papilla, human cells lose this inductive competance immediately upon growth in culture under normal growth conditions. We grew dermal papilla cells in hanging drop cultures that are morphologically akin to intact dermal papilla, and found that by enhancing the environment for aggregation, we could restore the inductive capacity of human dermal papilla cells in culture. The underlying genes that regulate the inductive potential of dermal papilla cells is not well understood, and we sought to use global profiling to identify key genes and pathways related to inductive competance within dermal papilla cells. We used Affymetrix microarrays to profile human dermal papilla cells in both hair inducing, and non-hair inducing states.

2013-10-20 | GSE44765 | GEO

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