A Hamster Uterine Luteolytic Extract

Mazer, Ronald S.; Wright, Paul A.

doi:10.1210/endo-83-5-1065

Cited by 11 publications

(1 citation statement)

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“…Duby, McDaniel, Spilman & Black (1969) have shown that bovine endometrial extracts obtained on Days 14 and 16, but not on Days 12 and 18 of the cycle, will cause luteolysis in the hamster; and Caldwell, Moor & Lawson (1968) have observed a similar effect in this animal using sheep endometrial extracts obtained on Days 14 and 15 of the cycle. Mazer & Wright (1968), in an attempt to characterize the uterine luteolysin in hamsters, have shown that it is thermolabile and non-dialysable.…”

Section: Discussionmentioning

confidence: 99%

Factors Controlling the Life-Span of the Corpora Lutea in the Pseudopregnant Rabbit

Scott¹,

Rennie²

1970

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The life-span of corpora lutea (cl) of varying ages within the one rabbit was studied by an experimental procedure in which 2-day\ x=req-\ old cl removed from donor rabbits were transferred beneath the kidney capsule of recipient rabbits. Within oestrous recipients, the cl were found to have a total life-span of approximately 17 days, which was similar to that of ovarian cl in the pseudopregnant rabbit. When the cl were transferred into 12-day pseudopregnant rabbits, their life-span was reduced to approximately 11 days and both the ovarian and transferred cl regressed at approximately the same time. It was suggested that a uterine factor may have caused the early regression of the transferred cl since hysterectomy at the time of transfer prolonged the life-span of each set of cl to approximately 23 to 27 days. In these animals, the cl regressed asynchronously.Prostaglandin F2\g=a\ caused early regression of the ovarian cl when given to hysterectomized rabbits.

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Section: Discussionmentioning

confidence: 99%