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State-of-the-Art of Monoclonal Antibodies for the Treatment of Gastric Cancer.

ABSTRACT: Gastric cancer (GC) is a complex and heterogeneous disease with poor prognosis and limited available treatment options. During recent years, several molecular stratifications have been proposed to optimize the overall treatment strategy for GC patients. Breakthroughs in cancer biology and in molecular profiling through DNA and RNA sequencing are now opening novel landscapes, leading to the personalization of molecular matched therapy. In particular, therapies against HER2, Claudine 18.2, Fibroblast Growth Factor Receptors (FGFR), and other molecular alterations could significantly improve survival outcomes in the advance phase of the disease. Furthermore, immunotherapy with checkpoint inhibitors also represents a promising option in a selected population. Hoping that precision oncology will enter soon in clinical practice, our review describes the state of the art of many novel pathways and the current evidence supporting the use of monoclonal antibodies implicated in GC treatment.

SUBMITTER: Basile D

PROVIDER: S-EPMC8572727 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Publications

State-of-the-Art of Monoclonal Antibodies for the Treatment of Gastric Cancer.

Basile Debora D Simionato Francesca F Cappetta Alessandro A Garattini Silvio Ken SK Garattini Silvio Ken SK Roviello Giandomenico G Aprile Giuseppe G

Biologics : targets & therapy 20211103

Gastric cancer (GC) is a complex and heterogeneous disease with poor prognosis and limited available treatment options. During recent years, several molecular stratifications have been proposed to optimize the overall treatment strategy for GC patients. Breakthroughs in cancer biology and in molecular profiling through DNA and RNA sequencing are now opening novel landscapes, leading to the personalization of molecular matched therapy. In particular, therapies against HER2, Claudine 18.2, Fibrobl ...[more]

PMID: 34764633

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Project description:CD24 is a potential oncogene reported to be overexpressed in a large variety of human malignancies. We have shown that CD24 is overexpressed in 90% of colorectal tumors at a fairly early stage in the multistep process of carcinogenesis. Anti-CD24 monoclonal antibodies (mAb) induce a significant growth inhibition in colorectal and pancreatic cancer cell lines that express the protein. This study is designed to investigate further the effects of CD24 down-regulation using mAb or small interfering RNA in vitro and in vivo. Western blot analysis showed that anti-CD24 mAb induced CD24 protein down-regulation through lysosomal degradation. mAb augmented growth inhibition in combination with five classic chemotherapies. Xenograft models in vivo showed that tumor growth was significantly reduced in mAb-treated mice. Similarly, stable growth inhibition of cancer cell lines was achieved by down-regulation of CD24 expression using short hairpin RNA (shRNA). The produced clones proliferated more slowly, reached lower saturation densities, and showed impaired motility. Most importantly, down-regulation of CD24 retarded tumorigenicity of human cancer cell lines in nude mice. Microarray analysis revealed a similar pattern of gene expression alterations when cells were subjected to anti-CD24 mAb or shRNA. Genes in the Ras pathway, mitogenactivated protein kinase, or BCL-2 family and others of oncogenic association were frequently down-regulated. As a putative new oncogene that is overexpressed in gastrointestinal malignancies early in the carcinogenesis process, CD24 is a potential target for early intervention in the prevention and treatment of cancer. The study compared gene expression profiles between human CRC cells HT29 before and after expression of 1 and 2 shRNA vectors directed at the human CD24 gene, GFP control gene, HT29 cells and Colo357, human pancreatic cancer cells, before and after the inhibition of the CD24 molecule using 72h treatment with anti-CD24 monoclonal antibodies.

Dataset Information

State-of-the-Art of Monoclonal Antibodies for the Treatment of Gastric Cancer.

Publications

State-of-the-Art of Monoclonal Antibodies for the Treatment of Gastric Cancer.

Similar Datasets

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