Method for enrichment/seperation of protein or peptide
    1.
    发明申请
    Method for enrichment/seperation of protein or peptide 审中-公开
    蛋白质或肽的富集/分离方法

    公开(公告)号:US20070112181A1

    公开(公告)日:2007-05-17

    申请号:US10582882

    申请日:2004-12-21

    IPC分类号: C07K1/00

    CPC分类号: C07K1/24

    摘要: The present invention finds a media that can highly selectively retain proteins or peptides to be enriched/separated, as well as provides a method for selectively enriching/separating proteins or peptides using such a media. A method for enrichment/separation of a protein or a peptide, comprising separating a protein or a peptide containing an amino acid residue with a π electron-containing group by using a media with a π electron-containing group. Preferably, the amino acid residue is a tryptophan residue or a tryptophan residue modified with a sulfenyl compound, and the media is a media with phenyl group.

    摘要翻译: 本发明找到能够高度选择性保留待富集/分离的蛋白质或多肽的培养基,以及提供使用这种培养基选择性富集/分离蛋白质或肽的方法。 用于富集/分离蛋白质或肽的方法,包括通过使用具有含π电子的基团的培养基来分离含有氨基酸残基的蛋白质或含有含π电子的基团的肽。 优选地,氨基酸残基是用巯基化合物修饰的色氨酸残基或色氨酸残基,并且培养基是具有苯基的培养基。

    Method and kit for quantitative analysis of protein
    2.
    发明授权
    Method and kit for quantitative analysis of protein 有权
    蛋白质定量分析方法和试剂盒

    公开(公告)号:US07354996B2

    公开(公告)日:2008-04-08

    申请号:US11028322

    申请日:2005-01-04

    IPC分类号: A61K38/00

    CPC分类号: G01N33/6842 G01N33/6851

    摘要: The present invention provides a method for global quantitative analysis of protein that is effectively applied also for unpurified samples such as biological samples, and achieves better detection sensitivity and quantitativeness than the conventional NBS method. A method for global quantitative analysis of protein comprising: preparing two states of protein samples, a Protein sample I for analysis and a control Protein sample II; solubilizing the Protein sample I and II by urea or guanidine hydrochloride; subjecting the solubilized Protein sample I and II to modification using 2-nitro[13C6]benzenesulfenyl chloride and 2-nitro[12C6]benzenesulfenyl chloride; mixing and desalting the modified Protein sample I and II; resolubilizing by urea or guanidine hydrochloride; reducing and alkylating; subjecting to trypsin digestion in the presence of urea or guanidine hydrochloride; separating the obtained peptide mixture using a media having a phenyl group; and subjecting the enriched modified peptide fragments to mass spectrometry preferably using 3CHCA, 3H4NBA or mixture of 3H4NBA and 4CHCA as a matrix.

    摘要翻译: 本发明提供了一种全球定量分析蛋白质的方法,该方法也有效应用于未纯化的样品如生物样品,并且比常规NBS方法获得更好的检测灵敏度和定量性。 一种用于蛋白质全球定量分析的方法,包括:制备蛋白质样品的两种状态,用于分析的蛋白质样品I和对照蛋白质样品II; 通过尿素或盐酸胍溶解蛋白质样品I和II; 将溶解的蛋白质样品I和II用2-硝基[13 C 6]苯硫基氯和2-硝基[12β] 亚苯基氯; 混合和脱盐改性蛋白质样品I和II; 用尿素或盐酸胍重新溶解; 还原和烷基化; 在尿素或盐酸胍存在下进行胰蛋白酶消化; 使用具有苯基的介质分离得到的肽混合物; 并将富集的经修饰的肽片段进行质谱,优选使用3CHCA,3H4NBA或3H4NBA和4CHCA的混合物作为基质。

    Method for selective measurement of specific substances from a mixture by maldi mass spectrometry
    3.
    发明申请
    Method for selective measurement of specific substances from a mixture by maldi mass spectrometry 审中-公开
    通过maldi质谱法从混合物中选择性测定特定物质的方法

    公开(公告)号:US20060243899A1

    公开(公告)日:2006-11-02

    申请号:US11028230

    申请日:2005-01-04

    IPC分类号: B01D59/44

    摘要: The present invention provides a method which is capable of mainly detecting the objective substance by mass spectrometry and can also be applied effectively to a sample to be measured without conducting enrichment process. A mass spectrometric method comprising: in a mass spectrometry specifically ionizing a specific substance to be measured contained in a mixture sample containing the specific substance and a substance other than the specific substance by using a matrix that is more likely to ionize the specific substance than the substance other than the specific substance, to selectively measure the specific substance from the mixture. Preferably, the specific substance is a peptide modified with 2-nitrobenzenesulfenyl chloride, and the matrix is a nitrobenzene derivative such as hydroxynitrobenzoic acid. The matrix is preferably used in combination with α-cyano-4-hydroxycinnamic acid.

    摘要翻译: 本发明提供能够通过质谱法主要检测目标物质的方法,并且还可以在不进行富集过程的情况下有效地应用于要测量的样品。 一种质谱法,其特征在于,在通过使用比所述特定物质更可能离子化的基质更特别地电离含有特定物质的混合物样品和特定物质以外的物质的特定被测物质进行质谱分析 从特定物质以外的物质,选择性地测量混合物中的特定物质。 优选地,特定物质是用2-硝基苯硫酰氯修饰的肽,并且基质是硝基苯衍生物如羟基硝基苯甲酸。 该基质优选与α-氰基-4-羟基肉桂酸组合使用。

    Method for measuring hydrophobic peptides using maldi mass spectrometer
    4.
    发明申请
    Method for measuring hydrophobic peptides using maldi mass spectrometer 审中-公开
    使用maldi质谱仪测量疏水肽的方法

    公开(公告)号:US20050224710A1

    公开(公告)日:2005-10-13

    申请号:US11028216

    申请日:2005-01-04

    IPC分类号: G01N33/68 H01J49/16

    CPC分类号: H01J49/164 G01N33/6848

    摘要: The present invention provides a method capable of efficiently ionizing hydrophobic peptides in MALDI-IT, MALDI-IT-TOF, and MALDI-FTICR mass spectrometers. A method of measuring a peptide with a mass spectrometer having a MALDI (Matrix Assisted Laser Desorption/Ionization) ion source, using α-cyano-3-hydroxycinnamic acid or 3-hydroxy-4-nitrobenzoic acid as a matrix. Preferably, a peptide derivatized with 2-nitrobenzenesulfenyl chloride is measured with a MALDI-IT, MALDI-IT-TOF, or MALDI-FTICR mass spectrometer. When 3-hydroxy-4-nitrobenzoic acid is used as a matrix, the matrix is preferably used as a mixed matrix in which α-cyano-4-hydroxycinnamic acid is combined.

    摘要翻译: 本发明提供了能够有效地离子化MALDI-IT,MALDI-IT-TOF和MALDI-FTICR质谱仪中的疏水性肽的方法。 使用α-氰基-3-羟基肉桂酸或3-羟基-4-硝基苯甲酸作为基质的具有MALDI(Matrix Assisted Laser Desorption / Ionization)离子源的质谱仪测量肽的方法。 优选地,用MALDI-IT,MALDI-IT-TOF或MALDI-FTICR质谱仪测量用2-硝基苯硫基氯衍生的肽。 当使用3-羟基-4-硝基苯甲酸作为基质时,优选将基质用作混合基质,其中组合了α-氰基-4-羟基肉桂酸。

    Method and kit for quantitative analysis of protein
    5.
    发明申请
    Method and kit for quantitative analysis of protein 有权
    蛋白质定量分析方法和试剂盒

    公开(公告)号:US20060051831A1

    公开(公告)日:2006-03-09

    申请号:US11028322

    申请日:2005-01-04

    IPC分类号: C12Q1/37

    CPC分类号: G01N33/6842 G01N33/6851

    摘要: The present invention provides a method for global quantitative analysis of protein that is effectively applied also for unpurified samples such as biological samples, and achieves better detection sensitivity and quantitativeness than the conventional NBS method. A method for global quantitative analysis of protein comprising: preparing two states of protein samples, a Protein sample I for analysis and a control Protein sample II; solubilizing the Protein sample I and II by urea or guanidine hydrochloride; subjecting the solubilized Protein sample I and II to modification using 2-nitro[13C6]benzenesulfenyl chloride and 2-nitro[12C6]benzenesulfenyl chloride; mixing and desalting the modified Protein sample I and II; resolubilizing by urea or guanidine hydrochloride; reducing and alkylating; subjecting to trypsin digestion in the presence of urea or guanidine hydrochloride; separating the obtained peptide mixture using a media having a phenyl group; and subjecting the enriched modified peptide fragments to mass spectrometry preferably using 3CHCA, 3H4NBA or mixture of 3H4NBA and 4CHCA as a matrix.

    摘要翻译: 本发明提供了一种全球定量分析蛋白质的方法,该方法也有效应用于未纯化的样品如生物样品,并且比常规NBS方法获得更好的检测灵敏度和定量性。 一种用于蛋白质全球定量分析的方法,包括:制备蛋白质样品的两种状态,用于分析的蛋白质样品I和对照蛋白质样品II; 通过尿素或盐酸胍溶解蛋白质样品I和II; 将溶解的蛋白质样品I和II用2-硝基[13 C 6]苯硫基氯和2-硝基[12β] 亚苯基氯; 混合和脱盐改性蛋白质样品I和II; 用尿素或盐酸胍重新溶解; 还原和烷基化; 在尿素或盐酸胍存在下进行胰蛋白酶消化; 使用具有苯基的介质分离得到的肽混合物; 并将富集的经修饰的肽片段进行质谱,优选使用3CHCA,3H4NBA或3H4NBA和4CHCA的混合物作为基质。

    COLORECTAL CANCER MARKER GALECTIN, METHOD FOR ANALYZING GALECTIN CONCENTRATION IN BLOOD SAMPLE, AND KIT FOR DETECTING COLORECTAL CANCER MARKER GALECTIN
    6.
    发明申请
    COLORECTAL CANCER MARKER GALECTIN, METHOD FOR ANALYZING GALECTIN CONCENTRATION IN BLOOD SAMPLE, AND KIT FOR DETECTING COLORECTAL CANCER MARKER GALECTIN 审中-公开
    色素标记GALECTIN,分析血液样品中GALECTIN浓度的方法,以及用于检测色素标记物GALECTIN的试剂盒

    公开(公告)号:US20130065258A1

    公开(公告)日:2013-03-14

    申请号:US13699592

    申请日:2011-01-28

    摘要: The present invention provides a tumor screening marker that can be actually used in clinical practice to detect colorectal cancer, and a tumor progression marker that can complement CEA or CA19-9. Galectin-1 used as a tumor screening marker or a tumor progression marker for colorectal cancer. Galectin-3 used as a tumor screening marker. Galectin-4 used as a tumor progression marker, a tumor screening marker, or a prognostic prediction marker for colorectal cancer. A method of analyzing the galectin concentration in a collected blood sample using the galectin. A colorectal cancer marker detection kit comprising a detection antibody selected from the group consisting of a fluorescently labeled galectin-1 antibody, a fluorescently labeled galectin-3 antibody, and a fluorescently labeled galectin-4 antibody.

    摘要翻译: 本发明提供可以实际用于临床实践中检测结肠直肠癌的肿瘤筛选标记,以及可补充CEA或CA19-9的肿瘤进展标记。 Galectin-1用作肿瘤筛选标记物或肿瘤进展标志物用于结肠直肠癌。 Galectin-3用作肿瘤筛选标记。 用作肿瘤进展标记物的Galectin-4,肿瘤筛选标记或结肠直肠癌的预后预测标记物。 使用半乳凝素分析收集的血液样品中的半乳凝素浓度的方法。 一种包含选自荧光标记的半乳凝素-1抗体,荧光标记的半乳凝素-3抗体和荧光标记的半乳凝素-4抗体的检测抗体的结肠直肠癌标志物检测试剂盒。

    INSULIN RESISTANCE MARKER
    7.
    发明申请
    INSULIN RESISTANCE MARKER 审中-公开
    胰岛素抵抗标记

    公开(公告)号:US20120149026A1

    公开(公告)日:2012-06-14

    申请号:US13370840

    申请日:2012-02-10

    摘要: It is provided an insulin resistance marker, a method of evaluating insulin resistance, a method of screening a substance that improves insulin resistance, and a pharmaceutical composition for improving insulin resistance. An insulin resistance marker including a polypeptide comprising at least any 15 continuous amino acids in the specific amino acid sequence (sequence of a proepithelin protein). An insulin resistance marker including a polynucleotide selected from the group consisting of a polynucleotide comprising at least any 45 continuous bases in the base sequence encoding the above specific amino acid sequence, and a polynucleotide that is complementary to the polynucleotide.

    摘要翻译: 本发明提供胰岛素抵抗标记,胰岛素抵抗评价方法,筛选改善胰岛素抵抗的物质的方法以及改善胰岛素抵抗的药物组合物。 包括在特定氨基酸序列(前列腺素蛋白的序列)中包含至少15个连续氨基酸的多肽的胰岛素抵抗标记。 包括选自包含编码上述特定氨基酸序列的碱基序列中至少任何45个连续碱基的多核苷酸的多核苷酸的多核苷酸和与该多核苷酸互补的多核苷酸的胰岛素抵抗标记。

    Method of screening a substance for improving insulin resistance
    9.
    发明授权
    Method of screening a substance for improving insulin resistance 有权
    筛选物质以改善胰岛素抵抗的方法

    公开(公告)号:US09079972B2

    公开(公告)日:2015-07-14

    申请号:US13370840

    申请日:2012-02-10

    摘要: An insulin resistance marker, a method of evaluating insulin resistance, a method of screening a substance that improves insulin resistance, and a pharmaceutical composition for improving insulin resistance are provided. The insulin resistance marker includes a polypeptide comprising at least any 15 continuous amino acids in the specific amino acid sequence of SEQ ID NO: 1 (sequence of a proepithelin protein). The insulin resistance marker includes a polynucleotide selected from the group consisting of (1) a polynucleotide comprising at least any 45 continuous bases in the base sequence of SEQ ID NO:2 encoding the above specific amino acid sequence, and (2) a polynucleotide that is complementary to the polynucleotide of (1).

    摘要翻译: 提供胰岛素抵抗标记,评价胰岛素抵抗的方法,筛选改善胰岛素抵抗的物质的方法和用于改善胰岛素抵抗的药物组合物。 胰岛素抵抗标记物包括在SEQ ID NO:1的特定氨基酸序列(前列腺素蛋白质序列)中包含至少15个连续氨基酸的多肽。 胰岛素抵抗标记物包括选自(1)包含编码上述特定氨基酸序列的SEQ ID NO:2的碱基序列中至少任何45个连续碱基的多核苷酸的多核苷酸,和(2)多核苷酸, 与(1)的多核苷酸互补。