Estudi del gen EGFR en carcinoma escamós i adenocarcinoma de pulmó.

R Roman1*, N Rodon1*, M Verdu1,3*, B Garcia1 , M Pujol1 i X Puig1,2,3.

1BIOPAT. Biopatologia Molecular, SL, Grup Assistència; 2Hospital de Barcelona, SCIAS, Grup Assistència; 3Histopat Laboratoris. Barcelona.*(co-autors).

Introducció

Les mutacions en el receptor del factor de creixement epidèrmic (EGFR) i, en menor mesura, l’augment en el nombre de còpies, s’han correlacionat amb resposta a inhibidors del domini tirosina cinasa (TKIs) d’aquest receptor i augment de la supervivència. La majoria d’aquests estudis s’han dut a terme en sèries d’adenocarcinomes (AC), ja que […]

2012-06-08T14:04:55+00:00

Epidermal growth factor receptor copy number variations, but not EGFR or KRAS mutations, are frequent in lung squamous cell carcinomas

R Roman1, N Rodon1, M Verdu1,3, B Garcia1 , M Pujol1, M. Calvo 4 and X Puig 1,2,3.

1BIOPAT.Biopatologia Molecular, SL, Grup Assistencia, Barcelona, Spain; 2Hospital de Barcelona, SCIAS, Grup Assistencia, Barcelona, Spain; 3Histopat Laboratoris, Barcelona, Spain and 4Statistics Department, Universitat Barcelona, Barcelona, Spain.

Background: Epidermal growth factor receptor (EGFR) mutations, and to a lesser extent EGFR copy number variations, have been correlated with response to EGFR tyrosine kinase inhibitors (TKIs). In contrast, KRAS mutations have been recently associated with resistance to […]

2012-03-14T23:10:34+00:00

Highly sensitive real-time PCR for the detection of EGFR mutations in lung adenocarcinoma. Is it worth it?

Rodon Natalia1, Roman Ruth1, Verdu Montse1,3, Garcia Beatriz1, Pujol Merce1 and Puig Xavier 1,2,3.

1BIOPAT.Biopatologia Molecular, SL, Grup Assistencia, Barcelona, Spain; 2Hospital de Barcelona, SCIAS, Grup Assistencia, Barcelona, Spain; 3Histopat Laboratoris, Barcelona, Spain.

Background: Mutations involving the epidermal growth factor receptor (EGFR) correlate with responsiveness to tyrosine kinase inhibitors (TKIs), which significantly improves patient survival in lung adenocarcinoma (AC). These mutations are described to be more frequent in non-mucinous lepidic adenocarcinomas (nmBAC). The unquestionable importance of determining the presence of these mutations, even in samples with […]

2012-03-14T23:08:26+00:00

ERG Expression in 175 Prostatic Carcinomas and 270 Carcinomas from Different Primary Sites

Verdu Montse1,3, Roman Ruth1, Calvo Miquel4, Rodon Natalia1, Garcia Beatriz1, Pujol Merce1 and Puig Xavier1,2,3.

1BIOPAT.Biopatologia Molecular, SL, Grup Assistencia, Barcelona, Spain; 2Hospital de Barcelona, SCIAS, Grup Assistencia, Barcelona, Spain; 3Histopat Laboratoris, Barcelona, Spain; 4Universitat de Barcelona(UB), Statistics Dpt., Barcelona, Spain;

Background: ERG gene rearrangement, detected by FISH or RT-PCR, has been identified as a highly specific alteration, present in 40-50% of prostate carcinomas (PCa). Recent studies describe a novel anti-ERG antibody, whose positive staining by immunohistochemistry (IHC) highly correlates with the […]

2012-03-14T23:03:48+00:00

La hibridación in situ fluorescente en la predicción de recurrencia del carcinoma urotelial.

García-Peláez B1*, Trias I3,4, Román R1,2, Pubill C3, Banús JM5 y Puig X1,2,3.

1BIOPAT. Biopatologia Molecular SL, Grup Assistència. 2Hospital de Barcelona-SCIAS, Grup Assistència. 3Histopat Laboratoris. 4Hospital Plató Fundació Privada. 5Institut Català d’Urologia i Nefrologia. Barcelona.

Resumen

Objetivo:

Evaluar la utilidad del estudio de alteraciones cromosómicas mediante hibridación in situ fluorescente en una serie de pacientes diagnosticados de carcinoma urotelial con un seguimiento mínimo de 24 meses, y analizar su posible efecto anticipador.

Material y métodos: La serie global incluye 338 muestras procedentes de 98 […]

2022-03-24T20:06:23+00:00