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Laser Capture Microdissection Provides a Novel Molecular Profile of Human Primary Cutaneous Melanoma

ABSTRACT: Melanoma accounts for the majority of skin cancer related mortality. In-depth molecular analysis of neoplastic melanocytes in whole tissue biopsies is diluted by the inflammatory infiltration, which may obscure gene signatures specific to neoplastic cells. Thus, a method is needed to precisely uncover molecular changes specific to tumor cells from a limited sample of primary melanomas.

ORGANISM(S): Homo sapiens

PROVIDER: GSE238207 | GEO | 2024/02/14

REPOSITORIES: GEO

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Transcriptome of Ameloblastoma using Laser capture microdissection

Project description:The goal of the study was to characterize the whole genome transcriptome profiles of pure sample population of human ameloblastoma epithelial cells for examination of molecular pathways. Seventeen human ameloblastoma samples were obtained. Both fresh frozen and FFPE samples were used and placed in solution for 1-4 weeks to allow decalcification by EDTA. The tissue was sectioned at -35C at a thickness of 7 microns. These sections were used for laser capture microdissection (LCM) to isolate the neoplastic epithelial portion of the tumors, using static image settings. Total RNA was extracted from each sample and examined using the whole genome microarray against the Stratagene universal human reference RNA.

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