Reactivity | HuSpecies Glossary |
Description | 1 x Human colon tumor tissue lysate (1 mg/ml, 100 ug/vial) 1 x Human colon normal tissue lysate (matched) (1 mg/ml, 100 ug/vial) Matched Tumor & Normal Tissue Lysate SetDiagnosis: AdenocarcinomaSex: Male Age: 44 Grade: 1 Stage: II, T3N0M0 Tumor Pathology Data Location: Colon Gross findings: Tumor size 5 x 5 x 3 cm with ulcerative surface. Cut surface is soft, white. Regional lymph nodes: 4 Microscopic Findings Tissue sections show proliferation of malignant epithelial cell clusters. Epithelial cells have small, basophilic, irregular nuclei and abundant cytoplasm. Mitotic figures are evident. The tumor cells form glands and invaded through the muscularis propria and subserosa. The stroma is infiltrated by large numbers of inflammatory cells. Tumor necrosis and blood vessel invasion are revealed. Lymph nodes show negative. Preparation Method Tissue specimens are homogenized in modified RIPA buffer to obtain the soluble proteins, and centrifuged to clarify. Extraction 1: PBS, pH 7.4; 1 ug/ml Aprotinin; 1 mM NaF Modified RIPA Buffer: 1 mM EDTA; 1 ug/ml Pepstatin-A; 0.1% SDS; 0.25% Na deoxycholate; 1 ug/ml Leupeptin; 1 mM PMSF; 1 mM Na3VO4 |
Application Notes | These lysates have not been subjected to denaturing or reducing conditions. This allows the tissue or cell lysate to be used in a variety of applications; to study protein-protein interaction, ligand binding, ELISA, immunoprecipitation, 1D and 2D gel electrophoresis, and Western blotting for the detection of specific protein targets. For use in 1D and 2D gel electrophoresis, the addition of a denaturing gel loading buffer with reducing agents may be required. Buffer requirements for performing protein-protein interaction and ligand binding studies can vary significantly from RIPA buffer and may require modifications. In most cases, tissue lysates in RIPA buffer can be used, directly in standard ELISA and immunoprecipitation assays. These lysates are proteomic discovery tools. Researchers should validate and optimize for individual use. |
Storage | Store at -80C. Avoid freeze-thaw cycles. |
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