{"product_id":"abcam-ab266230","title":"Abcam, ab266230, Human TK1 (Thymidine Kinase 1) knockout HEK-293T cell line","description":"\u003cp\u003eSize: 2 x 1000000Cells \/ vial \/ 1000000Cells \/ vial\u003cbr\u003e\nTK1 KO cell line available to order. KO validated by Western blot. Free of charge wild type control available. Knockout achieved by using CRISPR\/Cas9, 4 bp deletion in exon 1 and Insertion of the selection cassette in exon 1. To order both knockout and wild-type control cells: select 2 x 1000000Cells\/vial. To order only knockout cells: select 1000000Cells\/vial.\u003cbr\u003e\nKey facts\u003cbr\u003e\nCell type:HEK-293T,\u003cbr\u003e\nSpecies or organism:Human,\u003cbr\u003e\nTissue:Kidney,\u003cbr\u003e\nForm:LiquidSee storage information,\u003cbr\u003e\nKnockout validation:Sanger Sequencing,Western blot,\u003cbr\u003e\nMutation description:Knockout achieved by using CRISPR\/Cas9, 4 bp deletion in exon 1 and Insertion of the selection cassette in exon 1\u003c\/p\u003e\n\n\u003cp\u003eProduct details:\u003cbr\u003e\nWe will provide viable cells that proliferate on revival.\u003cbr\u003e\nThis product is subject to limited use licenses from The Broad Institute, ERS Genomics Limited and Sigma-Aldrich Co. LLC, and is developed with patented technology. For full details of the licenses and patents please refer to our\u003cbr\u003e\nlimited use license\u003cbr\u003e\npatent pages\u003c\/p\u003e\n\n\u003cp\u003eProperties and Storage Information:\u003cbr\u003e\nGene name-TK1, Gene editing type-Knockout, Gene editing method-CRISPR technology, Knockout validation-Sanger Sequencing, Western blot, Shipped at conditions-Dry Ice, Appropriate short-term storage conditions--196°C, Appropriate long-term storage conditions--196°C\u003c\/p\u003e\n\n\u003cp\u003eSupplementary Information:\u003cbr\u003e\nThis supplementary information is collated from multiple sources and compiled automatically.\u003cbr\u003e\nThymidine Kinase 1 (TK1) also known as Thymidine Kinase isoform A is an enzyme involved in the phosphorylation of thymidine into thymidine monophosphate an important component in DNA synthesis. TK1 has a molecular weight of approximately 25 kDa. It is predominantly expressed in proliferating cells with expression levels peaking during the S phase of the cell cycle. You often find TK1 in tissues with high cell division rates like bone marrow and lymphatic tissues.\u003cbr\u003e\nBiological function summary\u003cbr\u003e\nThis enzyme is critical for DNA replication and repair by providing deoxythymidine triphosphate (dTTP) a deoxynucleoside triphosphate. TK1 operates as a monomer but can form a tetrameric complex in its active state which enhances its affinity for substrates. TK1 can process various substrates including thymidine and thymidine analogs such as 5-bromo-2'-deoxyuridine (BrdU) and EdU. These substrates are vital in molecular biology as they help in measuring DNA synthesis in cell proliferation studies.\u003cbr\u003e\nPathways\u003cbr\u003e\nThe function of TK1 is central to the salvage pathway of nucleotide synthesis. This pathway allows recycling of thymidine from degraded DNA which is particularly important for rapidly dividing cells that need to ensure a sufficient supply of nucleotides. TK1 acts alongside other enzymes such as thymidylate synthase and ribonucleotide reductase to maintain nucleotide balance within the cell ensuring proper DNA synthesis and cellular proliferation.\u003cbr\u003e\nTK1 levels often increase in cancerous tissues due to their elevated cell proliferation rates. Serum TK1 is a biomarker for various cancers like leukemia and breast cancer. Studies show a correlation between high TK1 activity and tumor aggressiveness and progression. Additionally interactions of TK1 with the protein p53 a tumor suppressor show that defects in TK1 regulation can contribute to genomic instability highlighting its role in oncogenesis.\u003c\/p\u003e","brand":"Abcam","offers":[{"title":"Default Title","offer_id":46845075095721,"sku":"ab266230","price":0.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/iright.com\/ar\/products\/abcam-ab266230","provider":"Iright","version":"1.0","type":"link"}