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    • 21. 发明申请
    • ENRICHED PAG-55 FRACTION AND METHODS FOR EARLY DETECTION OF PREGNANCY IN UNGULATE ANIMALS
    • 丰富的PAG-55馏分和早期检测结核病患者妊娠的方法
    • WO2006073447A2
    • 2006-07-13
    • PCT/US2005/014458
    • 2005-04-27
    • MONSANTO TECHNOLOGY LLCMATHIALAGAN, NagappanMCGRATH, MichaelSCHENKEL, Robert
    • MATHIALAGAN, NagappanMCGRATH, MichaelSCHENKEL, Robert
    • C07K16/18C07K14/4715G01N33/689G01N2800/368Y10S424/811
    • Disclosed are methods for determining the pregnancy status of an ungulate animal by detecting the level of PAG-55 protein fraction. These methods may involve the detection of PAG-55 enriched proteins in the PAG-55 protein fraction by using novel polyclonal and monoclonal antibodies that have been generated using the PAG-55 enriched protein fraction as an immu1ogen. The novel PAG-55 protein fraction indicates that the animal is pregnant when the acidic PAG-55 protein fraction, or antigenic components thereof, are present at an elevated level in a sample. The present invention also provides for methods of obtaining the PAG-55 enriched protein fraction. The invention provides accurate methods of detecting pregnancy at early stages and has the benefit of allowing early post partum detection of the pregnancy status with fewl false positive results. The antibodies for detecting PAG-55 proteins will also be useful in combination with detecting elevated progesterone levels in the animal, thus providing an even more effective pregnancy detection method. The benefit of this early pregnancy detection is that identifying animals that are not pregnant very shortly after breeding, allows for timely re­breeding and minimizes the amount of time the animal is open. Also disclosed are methods for making a breeding decision for an animal. These methods allow a herd manager to make breeding decisions based on the levels of PAG-55 protein fraction and optionally, progesterone levels detected in a biological sample taken from an animal suspected of being in the early stages of pregnancy.
    • 公开了通过检测PAG-55蛋白组分的水平来确定有蹄动物的怀孕状态的方法。 这些方法可能涉及通过使用已经使用富集了PAG-55的蛋白质​​部分作为免疫原生成的新型多克隆和单克隆抗体来检测PAG-55蛋白质级分中富含PAG-55的蛋白质​​。 新的PAG-55蛋白部分表明,当酸性PAG-55蛋白部分或其抗原性组分在样品中以升高的水平存在时,动物是怀孕的。 本发明还提供了获得富含PAG-55的蛋白质​​部分的方法。 本发明提供了在早期阶段检测妊娠的准确方法,并且具有允许在怀孕状态的早期检测以及几乎没有假阳性结果的益处。 用于检测PAG-55蛋白的抗体也可用于检测动物体内升高的孕酮水平,从而提供更有效的妊娠检测方法。 这种早期妊娠检测的好处在于,能够在繁殖后立即识别未怀孕的动物,以便及时回避和避免;繁殖并最大限度地缩短动物开放的时间。 还公开了用于对动物进行育种决定的方法。 这些方法允许牧群管理者基于从疑似处于怀孕早期阶段的动物采集的生物样品中检测到的PAG-55蛋白质级分和任选的孕酮水平作出育种决定。