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1.
Rev. cuba. obstet. ginecol ; 44(2): 1-11, abr.-jun. 2018. ilus
Article in Spanish | CUMED, LILACS | ID: biblio-1003949

ABSTRACT

El cáncer de ovario es una de las neoplasias más letales dentro de los cánceres ginecológicos con altos niveles de resistencia a los tratamientos habituales. La identificación de blancos tumorales para terapias biológicas responde a la necesidad de desarrollar nuevas estrategias terapéuticas contra este tipo de tumor. Diferentes estudios han demostrado que existe asociación entre la expresión del ligando de EGF, así como sus receptores y el pronóstico de las pacientes con cáncer de ovario. Altos niveles de EGFr se asocian a proliferación, invasión, metástasis y resistencia a la quimioterapia. El uso de productos anti-EGF, como la vacuna CIMAvax-EGF, podría resultar beneficioso en el tratamiento del cáncer de ovario, lo que constituye una opción terapéutica para estas pacientes(AU)


Ovarian cancer is one of the most lethal neoplasms in gynecological cancers having high levels of resistance to the usual treatments.Identifying tumor targets for biological therapies responds to the need to develop new therapeutic strategies against this type of tumor. Different studies have shown that there is an association between EGF ligand expression, as well as receptors and prognosis of patients with ovarian cancer. High levels of EGFr are associated with proliferation, invasion, metastasis and resistance to chemotherapy. High levels of EGFr are associated with proliferation, invasion, metastasis and resistance to chemotherapy.The use of anti-EGF products, such as the CIMAvax-EGF vaccine, could be beneficial in the treatment of ovarian cancer, which constitutes a therapeutic option for these patients(AU)


Subject(s)
Humans , Prognosis , Biomarkers, Tumor/genetics , Biomarkers, Tumor/therapeutic use , Genes, erbB-1/immunology , Epidermal Growth Factor/analysis , ErbB Receptors/analysis , Ovarian Neoplasms/diagnosis
2.
J. bras. pneumol ; 35(4): 375-382, abr. 2009. ilus
Article in Portuguese | LILACS | ID: lil-513876

ABSTRACT

O propósito da imuno-histoquímica é reconhecer antígenos e assim identificar e classificar células específicas dentro de uma população celular morfologicamente heterogênea (ou aparentemente homogênea). A visualização do complexo antígeno-anticorpo é possível pela adição de um fluorocromo conjugado ao anticorpo, que pode então ser observado ao microscópio, ou alternativamente uma enzima, cujo produto de reação pode igualmente ser visualizado. A imuno-histoquímica pode ser aplicada na rotina diagnóstica complementar do câncer de pulmão para a identificação de marcadores biológicos diagnósticos e prognósticos. Os painéis imuno-histoquímicos mínimos necessários para a complementação diagnóstica serão discutidos nesta revisão.


The role of immunohistochemistry is to recognize antigens and, consequently, to identify and classify specific cells within a cell population whose morphology is heterogenous or apparently homogenous. The visualization of the antigen-antibody complex is made possible through the addition of either a fluorochrome conjugate or an enzyme to the antibody, which is then viewed under microscopy. Immunohistochemistry can be used in the routine diagnosis of lung cancer, in order to identify biological markers (diagnostic and prognostic). The essential immunohistochemistry panels will be discussed in this review.


Subject(s)
Humans , Carcinoma, Non-Small-Cell Lung/pathology , Immunohistochemistry , Lung Neoplasms/pathology , Carcinoma, Non-Small-Cell Lung/immunology , Genes, erbB-1/immunology , /immunology , Lung Neoplasms/immunology , Matrix Metalloproteinase 9/analysis , Biomarkers, Tumor/analysis , /analysis , Vascular Endothelial Growth Factor A/analysis
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