Search results for "comparative genomic hybridization"

showing 4 items of 94 documents

Genetic and Molecular Characterization of The Human Osteosarcoma 3AB-OS Cancer Stem Cell Line: A Possible Model For Studying Osteosarcoma Origin and …

2013

Finding new treatments targeting cancer stem cells (CSCs) within a tumor seems to be critical to halt cancer and improve patient survival. Osteosarcoma is an aggressive tumor affecting adolescents, for which there is no second-line chemotherapy. Uncovering new molecular mechanisms underlying the development of osteosarcoma and origin of CSCs is crucial to identify new possible therapeutic strategies. Here, we aimed to characterize genetically and molecularly the human osteosarcoma 3AB-OS CSC line, previously selected from MG63 cells and which proved to have both in vitro and in vivo features of CSCs. Classic cytogenetic studies demonstrated that 3AB-OS cells have hypertriploid karyotype wit…

cancer stem cellsPhysiologyClinical Biochemistrymedicine.disease_causePolymerase Chain ReactionOsteosarcoma cancer stem cellSettore BIO/10 - BiochimicaChromosomes HumanGene Regulatory NetworksCopy-number variationOligonucleotide Array Sequence AnalysisGeneticsComparative Genomic HybridizationOsteosarcomabiologychromosomal aberrationGene Expression Regulation NeoplasticPhenotypemiRNAsNeoplastic Stem CellsOsteosarcomaMitosisBone NeoplasmsHMGA2Cancer stem cellCell Line TumormicroRNABiomarkers Tumorgene expression profilingmedicineHumansOsteosarcoma cancer stem cells; karyotype; chromosomal aberrations; gene expression profiling; miRNAsCell LineageGenetic Predisposition to DiseaseRNA MessengerCell NucleusChromosome AberrationsPloidiesModels GeneticComputational BiologyCancerCell Biologymedicine.diseasekaryotypeMicroRNAsKaryotypingbiology.proteinCancer researchCarcinogenesisComparative genomic hybridization
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12q21 Interstitial Deletions: Seven New Syndromic Cases Detected by Array-CGH and Review of the Literature.

2022

Interstitial deletions of the long arm of chromosome 12 are rare, with a dozen patients carrying a deletion in 12q21 being reported. Recently a critical region (CR) has been delimited and could be responsible for the more commonly described clinical features, such as developmental delay/intellectual disability, congenital genitourinary and brain malformations. Other, less frequent, clinical signs do not seem to be correlated to the proposed CR. We present seven new patients harboring non-recurrent deletions ranging from 1 to 18.5 Mb differentially scattered across 12q21. Alongside more common clinical signs, some patients have rarer features such as heart defects, hearing loss, hypotonia an…

dysmorphismsComparative Genomic Hybridization12q21 deletiongenetic counselingcopy number variants (CNVs)DNA Copy Number Variationscongenital anomaliesarray-CGH; 12q21 deletion; copy number variants (CNVs); variation intolerant genes; loss of function; developmental delay/intellectual disability (DD/ID); congenital anomalies; dysmorphisms; genetic counseling; patient management12q21 deletion array-CGH congenital anomalies copy number variants (CNVs) developmental delay/intellectual disability (DD/ID) dysmorphisms genetic counseling loss of function patient management variation intolerant genesdevelopmental delay/intellectual disability (DD/ID)variation intolerant genesloss of functionSettore MED/03 - Genetica MedicaChromosome Structuresarray-CGHIntellectual DisabilityGeneticsHumansChromosome Deletionpatient managementGenetics (clinical)Genes
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Loss of a novel tumor suppressor gene locus at chromosome 8p is associated with leukemic mantle cell lymphoma

2001

Abstract Patients with mantle cell lymphoma (MCL) may present with either nodal or leukemic disease. The molecular determinants underlying this different biologic behavior are not known. This study compared the pattern of genetic abnormalities in patients with nodal and leukemic phases of MCL using comparative genomic hybridization (CGH) and fluorescence in situ hybridization (FISH) for specific gene loci. Although both leukemic and nodal MCL showed similar genomic patterns of losses (involving 6q, 11q22-q23, 13q14, and 17p13) and gains (affecting 3q and 8q), genomic loss of chromosome 8p occurred more frequently in patients with leukemic disease (79% versus 11%,P < .001). Subsequent…

medicine.medical_specialtyTumor suppressor geneImmunologyGenes mycLocus (genetics)Lymphoma Mantle-CellBiologyBiochemistryMYC Gene AmplificationGene duplicationmedicineHumansGenes Tumor SuppressorIn Situ Hybridizationmedicine.diagnostic_testGene AmplificationCytogeneticsNucleic Acid HybridizationCell BiologyHematologyPrognosismedicine.diseaseCancer researchMantle cell lymphomaGene DeletionChromosomes Human Pair 8Fluorescence in situ hybridizationComparative genomic hybridizationBlood
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Chromosomal imbalances and their target genes in gastrointestinal stromal tumors

2006

molecular pathogenesisarray comparative genomic hybridizationgene dosagegastrointestinal stromal tumor
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