Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1995-6-23
pubmed:abstractText
The ploidy of single-pronucleated human zygotes obtained after conventional in vitro fertilization was determined by fluorescent in situ hybridization (FISH) using multiple simultaneous probes for gonosomes and autosomes. After zona removal the single-pronucleated zygotes were exposed to cytochalasin B, and the pronucleus, surrounded by scant cytoplasm and the plasma membrane (karyoplast), was divided from the rest of the egg (cytoplast). The karyoplasts and the corresponding cytoplasts were analyzed separately by FISH. Of the 16 zygotes analyzed, 10 had haploid pronuclei and 6 were diploid. Four diploid pronuclei contained XY chromosomes, and 2 contained XX chromosomes. These results suggest that during the course of their interaction, human gamete nuclei can associate together and form diploid, single-pronucleated zygotes. These findings confirm a newly recognized variation of human pronuclear interaction during syngamy.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0006-3363
pubmed:author
pubmed:issnType
Print
pubmed:volume
52
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
653-7
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1995
pubmed:articleTitle
Male and female genomes associated in a single pronucleus in human zygotes.
pubmed:affiliation
Department of Obstetrics and Gynecology, New York Hospital, Cornell University Medical Center, New York 10021, USA.
pubmed:publicationType
Journal Article