2024 The bruce effect in mice

The bruce effect in mice

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August undefined, 2024

The Bruce effect, or pregnancy block, is the tendency for female rodents to terminate their pregnancies following exposure to the scent of an unfamiliar male. The effect was first noted in 1959 by Hilda M. Bruce, and has primarily been studied in laboratory mice (Mus musculus). In mice, pregnancy can only … 查看更多內容 In an experiment published in 1959, zoologist Hilda Bruce of the National Institute for Medical Research in London housed pregnant mice with male mice that were not the father of the carried embryo. As a result, the … 查看更多內容 • Coolidge effect • Lee–Boot effect • Vandenbergh effect • Whitten effect 查看更多內容 Detection of pheromones The vomeronasal system serves as a "vascular pump" that, stimulated by the presence of a novel male, actively draws in substances. … 查看更多內容 In order to have evolved and persisted in the population, the Bruce effect must afford individuals a fitness advantage. The possible advantages of pregnancy block are widely … 查看更多內容 • de la Maza, Helen M.; Wolff, Jerry O.; Lindsey, Amber (1999). "Exposure to strange adults does not cause pregnancy disruption or infanticide in the gray-tailed vole". Behavioral Ecology and Sociobiology. 45 (2): 107. doi: • Kenney, A. McM.; Evans, R. … 查看更多內容網頁In contrast, the Bruce effect is characterized by abortion of litters when pregnant females are exposed to the urine of a strange male. As with most rodents, mice are nocturnal …

Bruce Effect - an overview ScienceDirect Topics

網頁2024年7月5日 · Abstract. Bruce effect or alien male–induced implantation failure is a well-studied phenomenon in mice. The presence of stud male during exposure to an alien ma Experiment 2: critical period for imprinting nonpheromonal cue P value of pair-wise comparison of the incidence pregnancy using Fisher’s Exact test revealed that there was … 網頁2024年10月23日 · The Bruce effect has been well studied in laboratory mice. Usually, exposure of a recently mated female only to urine from an unfamiliar male can cause … scorpion s4 e4 5 6 7 8 9 10 en streaming vf

Imprinting of a Nonpheromonal Cue and Its Protective Effect on Alien Male-Induced Implantation Failure in Mice …

網頁2024年7月15日 · Bruce Effect. During the preimplantation period (first 4 days of pregnancy), introduction of a foreign male or his scent will result in spontaneous … 網頁The Bruce effect occurs when a recently mated female mouse aborts if exposed to the urine odor of a male genetically different from the stud male (Figure 9). This unfamiliar male … 網頁2024年11月24日 · EXPERIMENTS on the effect of certain oral progestogens during early pregnancy, in continuation of previous observations1 on ... An Exteroceptive Block to … scorpions aac

High-Fat Diet–Induced Dysbiosis as a Cause of …

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網頁2024年8月9日 · The Bruce effect in rodents may be an adaptation in fluctuating populations to breeding in single-female–single-male breeding units at low densities in the increase … 網頁2012年1月1日 · The Bruce effect, first described in 1959 by Hilda M. Bruce, is a neuroendocrine reflex with a drastic impact on female reproductive state. Exposing newly … scorpion s61網頁我们的结果表明，一方面，HF 饮食会改变肠道微生物群的组成，另一方面，它会导致神经炎症。正如 Bruce-Keller 等人所证明的那样，HF 饮食诱导的肠道微生物群失调能够自行诱导神经功能障碍的假设。(1)，为更好地了解这些 HF 喂养结果带来了新的见解。 prefab homes in london ky

"網頁2024年8月23日 · In the Bruce effect, a mated female mouse becomes resistant to the pregnancy-blocking effect of the stud. Various lines of evidence suggest that this form … " - The bruce effect in mice

The bruce effect in mice

The Bruce effect: Representational stability and memory …

網頁They argue that the term ‘Bruce effect’ should be applied in cases that are mechanistically equivalent to this original observation in mice. We argue that the Bruce effect should be defined instead by its function: a phenomenon by which inseminated or pregnant females benefit by blocking or terminating pregnancy following exposure to a non-sire male. 網頁of the Bruce and Vandenbergh effects in mice (Mus musculus) Adam C Guzzo, Jihwan Jheon, Faizan Imtiaz and Denys ... Bruce effect ( deCatanzaroet al. 2006, 2011) and reproductive tract growth in ...

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網頁2009年2月25日 · There was no evidence that male social status influenced the Bruce effect. Mated females spent more time near a novel male when it was dominant across all time periods ( F1,10 =7.94, p =0.018; figure 3 ), confirming the well-established preference of female mice for dominant males ( Hurst 1987 ). 網頁Several primer pheromone effects in laboratory mice are now well known. These include the Whitten, Bruce, Vandenbergh, and Lee-Boot effects. The first three phenomena are …

網頁2024年7月15日 · The Bruce effect has been studied and described thoroughly in rodents; however, observations have also been performed for other species [9,14,[30], [31], [32], [33]]. In a feral horse population, Berger [34] observed forced copulations by stallions when taking over a band of mares that he concluded led to abortions of early pregnancies. 網頁2024年10月29日 · It is entirely possible that your male or female mice will behave differently during their testing period if they are being tested simultaneously near a mouse of the opposite sex (e.g., the Bruce effect in females ).

網頁2024年3月20日 · The Whitten effect occurs when a group of female mice are exposed to the urine produced by a male mouse. The male’s urine contains certain volatile, or airborne, pheromones that affect the hormonal processes of the females that control their reproductive status.[3] 網頁The luteal function in newly inseminated female mice following exposure to alien males was investigated. The corpora lutea (CL) of newly inseminated females exhibited high delta 5 …

網頁Author(s): Charles, Rebecca; Rudyk, Olena; Prysyazhna, Oleksandra; Kamynina, Alisa; Yang, Jun; Morisseau, Christophe; Hammock, Bruce; Freeman, Bruce; Eaton, Philip Abstract: Soluble epoxide hydrolase (sEH) is inhibited by electrophilic lipids by their adduction to Cys521 proximal to its catalytic center. This inhibition prevents hydrolysis of …

網頁2014年3月12日 · Pheromones are substances that are secreted externally by an individual and elicit a specific response when perceived by another individual of the same species (Karlson and Butenandt 1959). Alien... prefab homes in logan utah網頁Animal Research International (2009) 6(3): 1077 – 1081 ARI 2009 6(3): 1077 – 1081 www.zoo-unn.org Males non-enhancement of Bruce and Whitten effects in females albino mice 1079 Table 1: The reproductive indices of the mice groups during the first round of prefab homes in las cruces nm網頁2024年8月18日 · Hilda M. Bruce demonstrated clearly a failure of pregnancy and subsequent return to oestrus in laboratory mice Mus (Mus) musculus after exposure to a non-sire male or his urinary scent within a limited time after mating (Bruce 1959, Bruce & Parrott 1960, Bruce & Parkes 1961, Bruce 1963, Table 1 ). prefab homes in miller south dakota網頁2016年3月2日 · Bruce effect was found to more likely occur when the odors of the male mice are different and, in case of inbred mice, males from different strains were more effective in inducing Bruce effect. In the experiments in Fig. 3.1, two different strains of mice, Balb/c and the F1 of cross between CBA/2 and C57BL/6 were used. scorpions 70s songs網頁2024年5月20日 · The Bruce Effect is one form of reproductive suppression, in which females block or terminate pregnancy to increase their lifetime reproductive … scorpions 80s band網頁Approved by IACUC 01/20/2016 Re-approved 04/20/2024 2) Whitten Effect: Male mouse urine contains a pheromone that induces estrus in previously suppressed females (see Lee-Boot effect) within three days. 3) Bruce effect: Also known as pregnancy block scorpions abarrotes網頁1993年12月1日 · The odor of the predator which can be considered to be a threatening signal for the prey also modulate mouse behavior in which scent marking is suppressed … prefab homes in manitoba