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    • 4. 发明申请
    • THE 76A11 POLYPEPTIDE AND USES THEREOF
    • WO2002086089A3
    • 2002-10-31
    • PCT/US2002/013138
    • 2002-04-23
    • QUARK BIOTECH, INC.CHAJUT, AyeletLEVINSON, MatatSKALITER, Rami
    • CHAJUT, AyeletLEVINSON, MatatSKALITER, Rami
    • A01N61/00
    • This invention provides a method for treating a subject suffering from a disease, wherein the disease is characterized by aberrant cellular proliferation or aberrant cellular differentiation, comprising administering to the subject an antagonist of a polypeptide, wherein the polypeptide has an amino acid sequence as presented in SEQ ID NO:2. This invention also provides the use of a polynucleotide as a probe for identifying undifferentiated embryonic stem cells, wherein the polynucleotide comprises a nucleotide sequence as presented in SEQ ID NO:1. This invention further provides the use of the 76A11 polypeptide in vivo or ex vivo for expansion of adult somatic stem cell. This invention further provides the use of an antibody directed to an epitope presented by the polypeptide comprising the amino acid sequence as presented in SEQ ID NO:2 for detection of cancerous cells or of undifferentiated stem cells. This invention further provides the use of a polynucleotide comprising the nucleotide sequences as presented in SEQ ID NO:1 or fragments thereof for identifying cancerous cells. This invention further provides a method for identifying a chemical compound that modulates proliferation of differentiation of cells which comprises: (a) contacting a cell expressing a gene comprising the sequence as presented in SEQ ID NO:1 with the chemical compound, under conditions permitting expression of the gene; and (b) determining whether the proliferation of differentiation of the cell is stimulated or inhibited in the presence of the compound, as compared to a control and this invention further provides a method for identifying a test chemical compound that modulates proliferation or differentiation of cells which comprises the steps of (a) providing a mixture comprising polypeptide 76A11, (b) contacting said mixture with a test substance under conditions which normally lead to 76A11 activity, and (c) determining whether the activity of said polypeptide is affected by said compound.
    • 8. 发明申请
    • THE 76A11 POLYPEPTIDE AND USES THEREOF
    • 76A11多肽及其用途
    • WO2002086089A2
    • 2002-10-31
    • PCT/US2002/013138
    • 2002-04-23
    • QUARK BIOTECH, INC.CHAJUT, AyeletLEVINSON, MatatSKALITER, Rami
    • CHAJUT, AyeletLEVINSON, MatatSKALITER, Rami
    • C12N
    • C07K14/4748
    • This invention provides a method for treating a subject suffering from a disease, wherein the disease is characterized by aberrant cellular proliferation or aberrant cellular differentiation, comprising administering to the subject an antagonist of a polypeptide, wherein the polypeptide has an amino acid sequence as presented in SEQ ID NO:2. This invention also provides the use of a polynucleotide as a probe for identifying undifferentiated embryonic stem cells, wherein the polynucleotide comprises a nucleotide sequence as presented in SEQ ID NO:1. This invention further provides the use of the 76A11 polypeptide in vivo or ex vivo for expansion of adult somatic stem cell. This invention further provides the use of an antibody directed to an epitope presented by the polypeptide comprising the amino acid sequence as presented in SEQ ID NO:2 for detection of cancerous cells or of undifferentiated stem cells. This invention further provides the use of a polynucleotide comprising the nucleotide sequences as presented in SEQ ID NO:1 or fragments thereof for identifying cancerous cells. This invention further provides a method for identifying a chemical compound that modulates proliferation of differentiation of cells which comprises: (a) contacting a cell expressing a gene comprising the sequence as presented in SEQ ID NO:1 with the chemical compound, under conditions permitting expression of the gene; and (b) determining whether the proliferation of differentiation of the cell is stimulated or inhibited in the presence of the compound, as compared to a control and this invention further provides a method for identifying a test chemical compound that modulates proliferation or differentiation of cells which comprises the steps of (a) providing a mixture comprising polypeptide 76A11, (b) contacting said mixture with a test substance under conditions which normally lead to 76A11 activity, and (c) determining whether the activity of said polypeptide is affected by said compound.
    • 本发明提供了一种治疗患有疾病的受试者的方法,其中所述疾病的特征在于异常细胞增殖或异常细胞分化,其包括向所述受试者施用多肽的拮抗剂,其中所述多肽具有如 SEQ ID NO:2。 本发明还提供多核苷酸作为鉴定未分化胚胎干细胞的探针的用途,其中所述多核苷酸包含如SEQ ID NO:1所示的核苷酸序列。 本发明进一步提供76A11多肽体内或体外用于成体体细胞干细胞扩增的用途。 本发明还提供了针对由包含SEQ ID NO:2所示的氨基酸序列的多肽呈递的表位的抗体用于检测癌细胞或未分化干细胞的用途的用途。 本发明还提供了包含SEQ ID NO:1所示的核苷酸序列或其片段的多核苷酸用于鉴定癌细胞的用途。 本发明还提供了一种鉴定调节细胞分化增殖的化合物的方法,其包括:(a)在允许表达的条件下,将表达包含SEQ ID NO:1所示序列的基因的细胞与化学化合物接触 的基因; 和(b)与对照相比,确定在化合物存在下细胞分化的增殖是否被刺激或抑制,本发明还提供了鉴定调节细胞增殖或分化的测试化合物的方法, 包括以下步骤:(a)提供包含多肽76A11的混合物,(b)在通常导致76A11活性的条件下将所述混合物与测试物质接触,和(c)确定所述多肽的活性是否受所述化合物的影响。