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Transcriptomic analysis of early-stage basal cell carcinomas in murine skin following ablative fractional laser and vismodegib treatment

ABSTRACT: Transcriptomic analysis of early-stage basal cell carcinomas in murine skin following ablative fractional laser and vismodegib treatment

PROVIDER: PRJNA1070314 | ENA |

REPOSITORIES: ENA

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Transcriptomic analysis of early-stage basal cell carcinomas in murine skin following ablative fractional laser and vismodegib treatment

Project description:Recent studies have demonstrated that ablative fractional laser (AFL) can inhibit the hedgehog pathway, enhance immune infiltration, and clear basal cell carcinomas (BCCs) in murine models. In this study, we applied RNA sequencing to further characterize the impact of AFL on the transcriptome of murine skin containing early-stage microscopic BCCs, contrasting it with the effects of the FDA approved hedgehog inhibitor vismodegib. Our results showed that BCC induction in murine skin was primarily linked to gene upregulation. Both AFL and vismodegib treatments were able to reverse this upregulation with vismodegib demonstrating superior performance by reversing the most genes (AFL: 59/277; vismodegib 180/277). Surprisingly, Ingenuity Pathway Analysis revealed that both treatments also caused considerable immune cell infiltration. Based on gene set enrichment analysis and cell type deconvolution, AFL treatment resulted in the largest immune cell recruitment, which for both treatments primarily consisted of infiltrating neutrophils, macrophages, and monocytes. In conclusion, the distinct effects observed in BCC skin following AFL and vismodegib treatment highlight key differences between the two interventions. Future applications of AFL or vismodegib treatments could leverage their individual effects, for example by combining AFL’s effects on the immune system with other topical treatments.

2024-11-28 | GSE254404 | GEO

Transcriptomic Analysis of Wound Healing and Skin Rejuvenation Following Ablative Fractional Laser Treatment of Human Skin

Project description:Ablative fractional laser treatment is considered the gold standard for skin rejuvenation. In order to understand how fractional laser works to rejuvenate skin, we performed microarray profiling on skin biopsies to identify temporal and dose-response changes in gene expression following fractional laser treatment.

2021-11-07 | GSE168760 | GEO

Exploratory Study to Identify Skin Anti-Aging Biomarkers as a Result of a Non-ablative Fractional Laser Treatment

Project description:Non-ablative fractional laser can be used to treat photoaged skin by stimulating the breakdown and regeneration of dermal matrix constituents, such as collagen and elastic fibers. The objective of this study was to validate previously studied molecular mechanisms and explore yet uncharacterized biomarkers underlying the clinical efficacy of non-ablative fractional laser resurfacing.

2022-12-09 | GSE206495 | GEO

Dynamic panoramic presentation of skin function after fractional CO2 laser treatment

Project description:Fractional CO2 laser, as a typical ablative laser, has been used to assist in the treatment of many skin diseases, such as photoaging, atrophic scar, hypertrophic scar, superficial pigmentation, vitiligo, and so on. However, the dynamic changes in skin function after fractional CO2 laser treatment are still unclear. This study explored the changes in local skin function and possible regulatory mechanisms after fractional CO2 laser treatment for 1, 3, 5 and 7 days through transcriptome high-throughput sequencing. The results showed that fractional CO2 laser tended to transform the “lesions” into “normal skin”, regulate the skin barrier, coordinate the rearrangement of collagen, enhance the local microvascular circulation, activate the immune system to secrete a large number of cytokines, and act as an auxiliary tool to assist drug transport. According to the basic principle of destruction before reconstruction, fractional CO2 laser plays a key role of balancer in skin reconstruction. In conclusion, the gene expression profiles of fractional CO2 laser-treated skin undergo dynamic changes over time. Skin barrier, collagen arrangement, drug metabolism, immune system and skin defense system all present obvious characteristics of timing change after fractional CO2 laser treatment.

2023-06-17 | GSE234691 | GEO

Deciphering the molecular effects of non-ablative Er:YAG laser treatment in an in vitro model of the non-keratinized mucous membrane

Project description:This study aimed to investigate the molecular effects of non-ablative Er:YAG laser treatment using an in vitro model of the non-keratinized mucous membrane and to compare its molecular effects with other ablative and non-ablative laser systems. In dermatology, the use of non-ablative and ablative fractional lasers has become the gold standard treatment for a number of indications. Each of the individual laser types is advantageous for different types of indications due to its respective properties, but new technologies open up new fields of application for individual laser systems. Performing a comprehensive gene expression profiling we compared the gene regulatory effects of non-ablative Er:YAG laser with other non-ablative and ablative laser systems. In vitro 3D models have proven to be a reliable and reproducible tool to study the molecular biological effects of different laser settings.

2020-06-01 | GSE151041 | GEO

Transcriptomic Analysis of Wound Healing and Skin Rejuvenation Following Ablative Fractional Laser Treatment of Human Skin

Project description:Transcriptomic Analysis of Wound Healing and Skin Rejuvenation Following Ablative Fractional Laser Treatment of Human Skin

| PRJNA713830 | ENA

Exploratory Study to Identify Skin Anti-Aging Biomarkers as a Result of a Non-ablative Fractional Laser Treatment

Project description:Exploratory Study to Identify Skin Anti-Aging Biomarkers as a Result of a Non-ablative Fractional Laser Treatment

| PRJNA851071 | ENA

Dynamic panoramic presentation of skin function after fractional CO2 laser treatment

Project description:Dynamic panoramic presentation of skin function after fractional CO2 laser treatment

| PRJNA982767 | ENA

Ablative fractional laser treatment reduces hedgehog pathway gene expression in murine basal cell carcinomas.

Project description:This study aimed to investigate the impact of ablative fractional laser (AFL) on hedgehog pathway gene expression in murine microscopic basal cell carcinomas (BCCs) and compare these results to the effect of topical treatment with vismodegib, an FDA-approved hedgehog inhibitor. In 25 mice, 1 cm2 skin test sites (n = 44) containing microscopic BCCs were exposed to one of three interventions: a single CO2 AFL treatment (1 pulse, 40 mJ/microbeam, wavelength 10.6 μm, 5% density, pulse rate 250 Hz, n = 12), eight topical vismodegib treatments (3.8 mg/mL, n = 8), or combination of AFL and vismodegib treatments (n = 9). Untreated controls were included for comparison (n = 15). After 4 days, skin samples were analyzed for hedgehog gene expression (Gli1, Gli2, and Ptch1) by qPCR and vismodegib concentrations by liquid chromatography mass spectrometry (data analyzed with two-tailed t-tests and linear regression). A single treatment with AFL monotherapy significantly reduced hedgehog gene expression compared to untreated controls (Gli1 72.4% reduction, p = 0.003; Gli2 55.2%, p = 0.010; Ptch1 70.9%, p < 0.001). Vismodegib treatment also reduced hedgehog gene expression (Gli1 91.6%; Gli2 83.3%; Ptch1 83.0%), significantly surpassing AFL monotherapy for two out of three genes (Gli1, p = 0.017; Gli2, p = 0.007; Ptch1, p = 0.15). AFL and vismodegib combination mirrored the effects of vismodegib monotherapy (Gli1, p = 0.424; Gli2, p = 0.289; Ptch1, p = 0.593), possibly due to comparable cutaneous vismodegib concentrations (mean ± SD, vismodegib monotherapy 850 ± 475 µmol/L; combination 1036 ± 824 µmol/L; p = 0.573). In conclusion, a single AFL treatment significantly reduced hedgehog gene expression in murine BCCs mimicking the effects of eight topical applications of vismodegib. Further studies are needed to assess whether AFL can be utilized for BCC treatment, either as monotherapy or in combination with other drugs.

| S-EPMC10837214 | biostudies-literature

Laser-capture microdissected invasive micropapillary carcinomas of the breast

Project description:The purpose of this study was to identify differentially expressed genes in laser-capture microdissected (LCM) invasive mammary carcinomas (IMCs).

2011-04-25 | GSE28821 | GEO

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