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[Application of array-based comparative genomic hybridization in precise diagnosis of unbalanced chromosome aberration]. 2010

Fang Fu, and Can Liao, and Min Pan, and Cuixing Yi, and Han Liu, and Simin Yuan, and Shunyan Hu, and Huizhu Zhong, and Dongzhi Li
Birth Health Perinatal Medicine Institute, Women and Children Medical Center of Guangzhou, Guangzhou Medical College, Guangzhou, Guangdong, 510180 P.R.China.

OBJECTIVE To evaluate the method of array-based comparative genomic hybridization (array-CGH) in identifying unbalanced chromosome aberrations. METHODS Four cases that could not be diagnosed by conventional cytogenetic technique were selected to undergo array-CGH analysis. DNA samples were extracted and hybridized with the Affymetrix SNP 6.0 arrays using Human Mapping SNP6.0 assay kit following the manufacturer's standard protocol. The data were analyzed by two professional software packages, GCOS and Genotyping Console. RESULTS By using array-CGH technique, all the four cases were diagnosed precisely through identifying two duplications and two complex derivative chromosomes. CONCLUSIONS Array-CGH is an effective method for whole-genome identification of unbalanced chromosomal aberrations with high sensitivity and specificity. It has a great value to investigate the correlations between genotype and phenotype in clinical service, especially in prenatal diagnosis.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D008297 Male Males
D002477 Cells The fundamental, structural, and functional units or subunits of living organisms. They are composed of CYTOPLASM containing various ORGANELLES and a CELL MEMBRANE boundary. Cell
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D002869 Chromosome Aberrations Abnormal number or structure of chromosomes. Chromosome aberrations may result in CHROMOSOME DISORDERS. Autosome Abnormalities,Cytogenetic Aberrations,Abnormalities, Autosome,Abnormalities, Chromosomal,Abnormalities, Chromosome,Chromosomal Aberrations,Chromosome Abnormalities,Cytogenetic Abnormalities,Aberration, Chromosomal,Aberration, Chromosome,Aberration, Cytogenetic,Aberrations, Chromosomal,Aberrations, Chromosome,Aberrations, Cytogenetic,Abnormalities, Cytogenetic,Abnormality, Autosome,Abnormality, Chromosomal,Abnormality, Chromosome,Abnormality, Cytogenetic,Autosome Abnormality,Chromosomal Aberration,Chromosomal Abnormalities,Chromosomal Abnormality,Chromosome Aberration,Chromosome Abnormality,Cytogenetic Aberration,Cytogenetic Abnormality
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D055028 Comparative Genomic Hybridization A method for comparing two sets of chromosomal DNA by analyzing differences in the copy number and location of specific sequences. It is used to look for large sequence changes such as deletions, duplications, amplifications, or translocations. Array Comparative Genomic Hybridization,Array-Based Comparative Genomic Hybridization,Comparative Genome Hybridization,Array Based Comparative Genomic Hybridization,Comparative Genome Hybridizations,Comparative Genomic Hybridizations,Genome Hybridization, Comparative,Genome Hybridizations, Comparative,Genomic Hybridization, Comparative,Genomic Hybridizations, Comparative,Hybridization, Comparative Genome,Hybridization, Comparative Genomic,Hybridizations, Comparative Genome,Hybridizations, Comparative Genomic
D055815 Young Adult A person between 19 and 24 years of age. Adult, Young,Adults, Young,Young Adults

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