Abstract: An anti-HGFR antibody fragment in combination with an extracellular portion of human HGFR for use in the treatment of a patient suffering from a tumor and/or metastasis, wherein: (i) the anti-HGFR antibody fragment has only one paratope able to bind to an epitope of the extracellular portion of human HGFR and has antagonist activity towards HGFR, (ii) the extracellular portion of human HGFR is capable of binding to HGF in a stable manner and contains at least one amino acid mutation at the epitope recognized by the anti-HGFR antibody fragment to prevent binding of the anti-HGFR antibody fragment thereto, and (iii) the anti-HGFR antibody fragment and the extracellular portion of human HGFR are suitable for administration to the patient are suitable for administration to the patient (a) in a protein form or (b) in a nucleic acid form.

Abstract: An anti-Met antibody fragment comprising a single antigen binding arm and an Fc region, wherein the antigen binding arm is defined by the variable regions having amino acid sequences as set forth in SEQ ID No.: 7, 8 and wherein the anti-Met antibody fragment is useful in the treatment of a tumor and/or metastasis.

Abstract: An anti-HGFR antibody fragment in combination with an extracellular portion of human HGFR for use in the treatment of a patient suffering from a tumor and/or metastasis, wherein: (i) the anti-HGFR antibody fragment has only one paratope able to bind to an epitope of the extracellular portion of human HGFR and has antagonist activity towards HGFR, (ii) the extracellular portion of human HGFR is capable of binding to HGF in a stable manner and contains at least one amino acid mutation at the epitope recognized by the anti-HGFR antibody fragment to prevent binding of the anti-HGFR antibody fragment thereto, and (iii) the anti-HGFR antibody fragment and the extracellular portion of human HGFR are suitable for administration to the patient are suitable for administration to the patient (a) in a protein form or (b) in a nucleic acid form.

Abstract: An isolated nucleic acid encoding a monovalent antibody fragment comprising a first polypeptide comprising a light chain variable domain and two constant domains and a second polypeptide comprising a heavy chain variable domain and two constant domains, wherein two chain constant domains are light chain constant domains and two constant domains are CH1 heavy chain constant domains.

Abstract: An isolated nucleic acid encoding a monovalent antibody fragment comprising a first polypeptide comprising a light chain variable domain and two constant domains and a second polypeptide comprising a heavy chain variable domain and two constant domains, wherein two chain constant domains are light chain constant domains and two constant domains are CH1 heavy chain constant domains.

Abstract: Antibody fragment comprising a first polypeptide comprising a light chain variable domain and two constant domains and a second polypeptide comprising a heavy chain variable domain and two constant domains, wherein two chain constant domains are light chain constant domains and two constant domains are CHI heavy chain constant domains.

Abstract: Use of a polynucleotide encoding or a polypeptide comprising at least the extra-cellular IPT-3 and IPT-4 domains of hepatocyte growth factor receptor for the screening and/or development of pharmacologically active agents useful in the treatment of cancer, preferably a cancer with dysregulation of hepatocyte growth factor receptor.

Abstract: Antibody fragment comprising a first polypeptide comprising a light chain variable domain and two constant domains and a second polypeptide comprising a heavy chain variable domain and two constant domains, wherein two chain constant domains are light chain constant domains and two constant domains are CHI heavy chain constant domains.

Abstract: Use of a polynucleotide encoding or a polypeptide comprising at least the extra-cellular IPT-3 and IPT-4 domains of hepatocyte growth factor receptor for the screening and/or development of pharmacologically active agents useful in the treatment of cancer, preferably a cancer with dysregulation of hepatocyte growth factor receptor.

Abstract: Use of a monoclonal antibody directed against the extracellular domain of hepatocyte growth factor is disclosed for the preparation of a medicament for the treatment of tumors and/or metastases and of a diagnostic tool for detecting neoplastic cells as well as vectors comprising at least a portion of the nucleotide sequence encoding the anti-Met monoclonal antibody, products containing the anti-Met monoclonal antibody and/or at least one fragment thereof and at least one kinase inhibitor.

Abstract: Use of a polynucleotide encoding or a polypeptide comprising at least the extra-cellular IPT-3 and IPT-4 domains of hepatocyte growth factor receptor for the screening and/or development of pharmacologically active agents useful in the treatment of cancer, preferably a cancer with dysregulation of hepatocyte growth factor receptor.

Abstract: Use of a polynucleotide encoding or a polypeptide comprising at least the extracellular IPT-3 and IPT-4 domains of hepatocyte growth factor receptor for the screening and/or development of pharmacologically active agents useful in the treatment of cancer, preferably a cancer with dysregulation of hepatocyte growth factor receptor.

Abstract: Use of a monoclonal antibody directed against the extracellular domain of hepatocyte growth factor is disclosed for the preparation of a medicament for the treatment of tumors and/or metastases and of a diagnostic tool for detecting neoplastic cells as well as vectors comprising at least a portion of the nucleotide sequence encoding the anti-Met monoclonal antibody, products containing the anti-Met monoclonal antibody and/or at least one fragment thereof and at least one kinase inhibitor.

Abstract: Met inhibitor and/or nucleotide sequence encoding a Met inhibitor for use in the treatment of patients suffering from a cancer for reducing and/or abrogating patients' resistance to radiotherapy, wherein the Met inhibitor is selected among: i) an anti-Met monoclonal antibody, ii) a genetically engineered antibody containing the complementarity determining regions (CDRs) of the anti-Met monoclonal antibody, and iii) a fragment of (i) or (ii) containing the complementarity determining regions (CDRs) of the anti-Met monoclonal antibody, or combinations thereof.

Abstract: Use of a monoclonal antibody directed against the extracellular domain of hepatocyte growth factor is disclosed for the preparation of a medicament for the treatment of tumors and/or metastases and of a diagnostic tool for detecting neoplastic cells as well as vectors comprising at least a portion of the nucleotide sequence encoding the anti-Met monoclonal antibody, products containing the anti-Met monoclonal antibody and/or at least one fragment thereof and at least one kinase inhibitor.

Abstract: Use of a polynucleotide encoding or a polypeptide comprising at least the extra-cellular IPT-3 and IPT-4 domains of hepatocyte growth factor receptor for the screening and/or development of pharmacologically active agents useful in the treatment of cancer, preferably a cancer with dysregulation of hepatocyte growth factor receptor.

Abstract: Use of a polynucleotide encoding or a polypeptide comprising at least the extra-cellular IPT-3 and IPT-4 domains of hepatocyte growth factor receptor for the screening and/or development of pharmacologically active agents useful in the treatment of cancer, preferably a cancer with dysregulation of hepatocyte growth factor receptor.

Abstract: An immuno-imaging agent for the detection of tumor cells by means of an immuno-imaging technique, including at least one of: an anti-Met monoclonal antibody, a fragment of an anti-Met monoclonal antibody containing the epitope binding region thereof, a genetically engineered antibody containing the epitope binding region of an anti-Met monoclonal antibody, a humanized antibody containing the epitope binding region of an anti-Met monoclonal antibody, or combinations thereof, wherein the anti-Met monoclonal antibody is produced by the hybridoma cell line ICLC PD 05006, and corresponding compositions and kits.

Abstract: Use of a polynucleotide encoding or a polypeptide comprising at least the extracellular IPT-3 and IPT-4 domains of hepatocyte growth factor receptor for the screening and/or development of pharmacologically active agents useful in the treatment of cancer, preferably a cancer with dysregulation of hepatocyte growth factor receptor.

Abstract: An immuno-imaging agent for the detection of tumor cells by means of an immuno-imaging technique, including at least one of: an anti-Met monoclonal antibody, a fragment of an anti-Met monoclonal antibody containing the epitope binding region thereof, a genetically engineered antibody containing the epitope binding region of an anti-Met monoclonal antibody, a humanized antibody containing the epitope binding region of an anti-Met monoclonal antibody, or combinations thereof, wherein the anti-Met monoclonal antibody is produced by the hybridoma cell line ICLC PD 05006, and corresponding compositions and kits.