Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
1984-12-28
pubmed:abstractText
Semen samples from 14 patients with testicular cancer were analyzed by new flow cytometry techniques and by conventional semen analysis. Samples were obtained post-unilateral orchiectomy and prior to further treatment. With only 1 exception, light microscopic analysis of sperm count and morphology indicated a decrease of normal sperm production and incomplete or abnormal differentiation. Flow cytometry of semen aliquots showed, with the same exception as above, increased acridine orange staining of the sperm nuclear chromatin, attributed to abnormal chromatin composition and condensation. In addition, the chromatin structure of isolated sperm nuclei was abnormally sensitive to thermal stress. These changes were present up to 15 months post orchiectomy and suggest abnormal spermiogenesis in the contralateral testis of patients with testicular tumors. Of the 14 patients studied only 1 fell well within the normal range for all parameters measured; 2 other patients were in the low normal range for all parameters and 1 patient fell below normal for light microscope derived measurements but was normal by flow cytometry. The other 10 patients had abnormal measurements for all parameters. The assessment of spermiogenesis by flow cytometry studies of sperm chromatin appears to be a sensitive and valuable new parameter of fertility that cannot be determined by conventional semen analysis.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0022-5347
pubmed:author
pubmed:issnType
Print
pubmed:volume
132
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1220-5
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1984
pubmed:articleTitle
Flow cytometric evaluation of sperm from patients with testicular carcinoma.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.