Use of a radioreceptorassay (RRA) for human luteinizing hormone/chorionic gonadotropin (hLH/CG) for detection of early pregnancy and estimation of time of ovulation in macaques

Carolynn B. Booher, Srinivasa Prahalada, Andrew G Hendrickx

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

A radioreceptorassay (RRA) for macaque luteinizing hormone (LH)/chorionic gonadotropin (CG) was adapted from the clinical RRA for human LH/CG, Biocept‐G™, for the purposes of detection of pregnancy prior to day 20 of gestation and for estimation of the time of ovulation in macaques. The 90‐min assay procedure was simple, accurate, and reliable. Seventy‐five rhesus monkeys (Macaca mulatta) and 20 crab‐eating monkeys (Macaca fascicularis) were tested for the presence of CG in the serum on estimated days 17–20 of pregnancy. Of a total of 160 tests, four false negative and 0 false positive tests were obtained, for an accuracy of 97.5%. The preovulatory LH peak was detected in 19 rhesus monkeys by semiquantitative RRA of LH/CG. Ovulation was confirmed in these 19 animals by the presence of a fresh corpus luteum at laparotomy 2–10 days after ovulation, collection of an embryo, pregnancy, or subsequent cycle history. The short, simple assay procedure and the low inter‐and intraassay coefficients of variation (7.3 and 3.7%, respectively) allow use of this assay in an economical, predictive, as well as retrospective, capacity for estimation of the time of ovulation in rhesus monkeys. The sensitivity, reliability, species nonspecificity, simplicity, and rapidity of performance of this RRA for LH/CG are features which add up to a useful new management tool for breeding macaques for research purposes.

Original languageEnglish (US)
Pages (from-to)45-53
Number of pages9
JournalAmerican Journal of Primatology
Volume4
Issue number1
DOIs
StatePublished - 1983

Fingerprint

chorionic gonadotropins
luteinizing hormone
Macaca
pregnancy
hormone
ovulation
Macaca mulatta
assay
assays
pregnancy diagnosis
Macaca fascicularis
laparotomy
corpus luteum
monkeys
serum
embryo
embryo (animal)
testing
breeding
detection

Keywords

  • chorionic gonadotropin
  • detection
  • early pregnancy
  • luteinizing hormone
  • Macaca fascicularis
  • Macaca mulatta
  • ovulation
  • prediction
  • radioreceptorassay

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology

Cite this

Use of a radioreceptorassay (RRA) for human luteinizing hormone/chorionic gonadotropin (hLH/CG) for detection of early pregnancy and estimation of time of ovulation in macaques. / Booher, Carolynn B.; Prahalada, Srinivasa; Hendrickx, Andrew G.

In: American Journal of Primatology, Vol. 4, No. 1, 1983, p. 45-53.

Research output: Contribution to journalArticle

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