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In a broad sense, cancer biomarker is an indicative of the presence of cancer in the body or a molecule secreted by a tumor or a specific response of the body to the presence of cancer. It is usually identifiable or measurable in the blood, urine or other convenient body fluids by PCR, ELISA, and other conventional immune assays.
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1 car t antigen selection
car t antigen selection In a broad sense, cancer biomarker is an indicative of the presence of cancer in the body or a molecule secreted by a tumor or a specific response of the body to the presence of cancer. It is usually identifiable or measurable in the blood, urine or other convenient body fluids by PCR, ELISA, and other conventional immune assays. In this sense, biomarkers can be categorized into genetic, epigenetic, proteomic, glycomic, and imaging biomarkers for cancer diagnosis, prognosis, and epidemiology. In a narrow sense of cancer biomarker, it is limited to proteins the most used to challenge in the clinical applications, especially in the CAR-T therapy. Specifically, a cancer biomarker of the CAR-T provides the most prominent signal of cancer cells for distinguishing from normal cells and the most effective target for immune recognition and destruction
2 chimeric antigen receptor technology
scFv Production in CAR Technology The typical structure of a CAR molecule includes a single chain variable fragment (scFv), a spacer, a transmembrane domain (TM) and an intracellular signaling domain. The scFv is derived from monoclonal antibody (mAb), which can specifically recognize the target protein on tumor surface and subsequently transduct activation signal into CAR-T cell. With our one-stop solution, we can carry out scFv generation from hybridoma cell line (full length of monoclonal antibody) through the converting full immune globulin (monoclonal antibodies) into a scFv using a short flexible linker or phage display library which has nearly 1.0 × 108 individual candidate clones. Furthermore, synthesis a scFv gene based on the existed sequence from customer is also an available service.
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