It also provides a Vector comprising Said DNA, a host Cell, a transgenic animal and a composition comprising the disclosed c-met Antibody and its use as a Medicine to treat cancer.Claim 1: a monoclonal antibody or Functional fragment or divalent derivative capable of inhibiting c-met dimerization, comprising a Chain comprising Said Antibody was cor - H1, H2 and H3 Cor Cor respectively with the amino acid sequences SEC ID 1, 2 and 3; and To light chain comprising cor - L1CDR CdR L2 and L3 respectively - with the amino acid sequences SEC ID 5, 6 and 7 were additionally characterized because the Antibody also comprises a Hinge region that comprises the Amino Acid Sequence SEC ID NS: 56.Isolated nucleic acid: a claim 15, wherein the Nucleic Acid is selected from the following: (a) a Nucleic Acid, DNA or RNA, which encodes an Antibody or fragment or derivative Functional divalent, as claimed in one of claims 1 to 14; (b) a Nucleic Acid comprising a DNA Sequence comprising sequences SEC ID no: 11HL: 12 sec SEC ID, id: 13 NS and 15 NS: ID sequences SEC, SEC and sec id ID Ns, 16 NS: 17; (c) a Nucleic Acid comprising a DNA Sequence comprising sequences SEC and sec id id NS: NS 14: 1819 or 20; (d) the corresponding Nucleic Acids RNA Nucleic Acids as defined in (b) or (c); (e) the complementary Nucleic Acids Nucleic Acids as defined in (a), (b) and (c); (f) a Nucleic Acid of at least 18 nucleotides able to hybridize under condi In high Severity with at least one of the CDRs Sequence sec id: 11 to 13 and 15 to 17.Винахід належить до застосування моноклонального антитіла або його бівалентного функціонального фрагмента, здатного інгібувати димеризацію c-Met, та застосування композиції, що містить моноклональне антитіло або його бівалентний функціональний фрагмент, які здатні інгібувати димеризацію c-Met для застосування при попередженні та/або лікуванні раку, що характеризується гіперекспресією c-Met, яка є результатом генної ампліфікації c-Met, такого як рак ШКТ або нирково-кліт