Methods of using the Antibodies in the treatment and detection of cancer positive for mesothelin.Claim 1: isolated an Antibody that binds to mesothelin selected from: (i) a articuerpo which binds to an epitope of E153 comprising SEQ ID no. 43 and D174 and optionally with one or moreThe following characteristics: (a) is reduced to form glycosylated mesothelin Union; (b) blocks Binding to MUC16 mesothelin and Mesothelin (c) joins with an affinity of GBP 5 nm;(i) an Antibody that binds to an epitope of SEQ ID no. 43 comprising E211 and optionally with one or more of the following characteristics: (a) does not block the Union to MUC16 Mesothelin (B; andMesothelin) connects with an affinity of GBP 5 nm; and (iii) an Antibody that binds to an epitope within the amino acids of SEQ ID no. 1 - 43 131 and joins with an affinity of mesothelin GBP 5 nm.Claim: a inmunoconjugado 19 has the formula: AB - (L - d) P where: (a) AB is an Antibody in any of claims 1 - 15; (b) l is a Union; (c) D is a Drug of LIn formula (1) and where R2 and R6 are each Methyl, R3 and R4 are each isopropyl is H, R5, R7, R8 is SEC butyl, each is independently selected from CH3, or - CH3, Oh,And H; R9 is h; and R18 is C (R8) - 2 - (2 - aryl (R8); and (d) P varies from 1 - 8.Métodos de uso de los anticuerpos en el tratamiento y la detección de un cáncer positivo para mesotelina.Reivindicación 1: Un anticuerpo aislado que se une a mesotelina seleccionada de: (i) un articuerpo que se une a un epítopo de SEQ ID Nº 43 que comprende E153 y D174 y que opcionalmente posee una o más de las siguientes características: (a) no presenta unión reducida a forma glicosilada de mesotelina; (b) no bloquea la unión de mesotelina a MUC16; y (c) se une mesotelina con una afinidad de £ 5 nM; (i) un anticuerpo que se une a un epítopo de SEQ ID Nº 43 que comprende E211 y que opcionalmente posee una o más de las siguientes características: (a) no bloquea la unión de mesotelina a MUC16; y (b) une mesotelina con una afinidad de £ 5