[Non-radioactive in situ hybridization of alpha-satellite sequences in cytogenetic diagnosis]. 1992

C Perfumo, and A Arslanian, and F Zara, and G Piombo, and M Pierluigi
Centro Studi Regionale Sindrome di Down, Genova.

Non isotopic in situ hybridization with alpha-satellite DNA probes in the cytogenetic diagnosis. Standard banding cytogenetic techniques do not always allow to define the structure and the origin of chromosome rearrangements involving the centromere region. Non-isotopic in situ hybridization of alphoid sequences has allowed to determine the origin of the centromeres in the metaphases of 5 patients referred to us for: 2 structural rearrangements involving chromosome 21, 2 structural rearrangements involving chromosome Y and 1 reciprocal translocation involving on chromosome 20 and one chromosome 15.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008297 Male Males
D009845 Oligospermia A condition of suboptimal concentration of SPERMATOZOA in the ejaculated SEMEN to ensure successful FERTILIZATION of an OVUM. In humans, oligospermia is defined as a sperm count below 20 million per milliliter semen. Cryptospermia,Cryptozoospermia,Low Sperm Count,Hypospermatogenesis,Oligoasthenoteratozoospermia,Oligozoospermia,Cryptospermias,Cryptozoospermias,Hypospermatogeneses,Low Sperm Counts,Oligoasthenoteratozoospermias,Sperm Count, Low,Sperm Counts, Low
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is 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
D002884 Chromosomes, Human, Pair 15 A specific pair of GROUP D CHROMOSOMES of the human chromosome classification. Chromosome 15
D002890 Chromosomes, Human, Pair 20 A specific pair of GROUP F CHROMOSOMES of the human chromosome classification. Chromosome 20
D002891 Chromosomes, Human, Pair 21 A specific pair of GROUP G CHROMOSOMES of the human chromosome classification. Chromosome 21
D004276 DNA, Satellite Highly repetitive DNA sequences found in HETEROCHROMATIN, mainly near centromeres. They are composed of simple sequences (very short) (see MINISATELLITE REPEATS) repeated in tandem many times to form large blocks of sequence. Additionally, following the accumulation of mutations, these blocks of repeats have been repeated in tandem themselves. The degree of repetition is on the order of 1000 to 10 million at each locus. Loci are few, usually one or two per chromosome. They were called satellites since in density gradients, they often sediment as distinct, satellite bands separate from the bulk of genomic DNA owing to a distinct BASE COMPOSITION. Satellite DNA,Satellite I DNA,DNA, Satellite I,DNAs, Satellite,DNAs, Satellite I,I DNA, Satellite,I DNAs, Satellite,Satellite DNAs,Satellite I DNAs

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