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    • 51. 发明申请
    • ASSAYS USING CHIMERIC T1R POLYPEPTIDE
    • 测定使用CHIMERIC T1R多肽
    • US20110223618A1
    • 2011-09-15
    • US13020068
    • 2011-02-03
    • Xiaodong LiFeng ZhangHong XuQing Li
    • Xiaodong LiFeng ZhangHong XuQing Li
    • G01N33/566
    • C07K14/705G01N33/566G01N2333/726G01N2500/02G01N2500/10
    • This invention relates to chimeric taste receptors comprising the extracellular portion of one T1R or a variant or fragment thereof, either T1R1 or T1R2, and the transmembrane portion of another T1R or a variant or fragment thereof, either T1R1 or T1R2, preferably associated with a T1R3 polypeptide and a suitable G protein. These chimeric taste receptors and cells which express such chimeric taste receptors are useful in assays for identifying sweet and umami ligands as well in assays for identifying sweet and umami enhancers. Additionally, these chimeric taste receptors and cells which express same can be used to map and determine where specific sweet and umami ligands interact with their respective receptors and to elucidate the mechanism of receptor activation.
    • 本发明涉及包含一个T1R的细胞外部分或其变体或片段T1R1或T1R2的嵌合味觉感受器,以及T1R1或其变体或片段的跨膜部分,T1R1或T1R2,优选与T1R3相关 多肽和合适的G蛋白。 这些嵌合味觉受体和表达这种嵌合味觉受体的细胞可用于鉴定甜味和鲜味配体的测定以及用于鉴定甜味和鲜味增强剂的测定中。 此外,这些嵌合味觉受体和表达相同的细胞可以用于绘制和确定特定甜味和鲜味配体与其各自受体相互作用的位置,并阐明受体活化的机制。
    • 54. 发明授权
    • Identification of bitter ligands that specifically activate human T2R receptors and related assays for identifying human bitter taste modulators
    • 识别特异性激活人T2R受体的苦配体和相关测定法,用于鉴定人类苦味调节剂
    • US07883856B2
    • 2011-02-08
    • US11766974
    • 2007-06-22
    • Xiaodong LiHong XuQing LiHuixian TangAlexey Pronin
    • Xiaodong LiHong XuQing LiHuixian TangAlexey Pronin
    • G01N33/566C07K14/705
    • G01N33/566G01N33/5008G01N33/5023G01N2500/00G01N2500/10
    • The present invention relates to the discovery that specific human taste receptors in the T2R taste receptor family respond to particular bitter compounds. Also, the invention relates to the discovery of specific hT2R9 alleles and their disparate activity in functional assays with the same biter ligands. The invention further relates to the use of these T2R receptors in assays for identifying ligands that modulate the activation of these taste receptors by specific bitter ligands and related compounds. These compounds may be used as additives and/or removed from foods, beverages, cosmetics and medicinals in order to modify (block) T2R-associated bitter taste. Also T2R ligands may be used as therapeutics to treat and modulate T2R associated gastrointestinal and metabolic functions as well as treat gastrointestinal and metabolic diseases such as eating disorders, food sensing, food absorption, obesity, diabetes, Crohn's disease, celiac disease, et al.
    • 本发明涉及T2R味觉受体家族中的特定人味受体对特定苦味化合物的反应的发现。 此外,本发明还涉及特异性hT2R9等位基因的发现及其在具有相同配体配体的功能测定中的不同活性。 本发明还涉及这些T2R受体在用于鉴定通过特定的苦配体和相关化合物调节这些味觉受体的活化的配体的测定中的用途。 这些化合物可以用作添加剂和/或从食品,饮料,化妆品和药物中去除,以便改变(阻断)T2R相关的苦味。 也可以使用T2R配体作为治疗和调节T2R相关胃肠和代谢功能以及治疗胃肠道和代谢疾病如饮食失调,食物感觉,食物吸收,肥胖,糖尿病,克罗恩病,乳糜泻等的治疗剂。