{"product_id":"cytokeratin-18-antibody-krt18-bha17109856","title":"Cytokeratin 18 Antibody \/ KRT18","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eCytokeratin 18 Antibody \/ KRT18 is a research-use antibody directed against \u003cstrong\u003eCYTOKERATIN 18\u003c\/strong\u003e. It is supplied for use in common immunoassay contexts such as IF\/ICC, WB (RUO).\u003c\/p\u003e\n\n\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\n\u003cul\u003e\n  \n\u003cli\u003e\n\u003cstrong\u003eTarget:\u003c\/strong\u003e CYTOKERATIN 18.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eDescription (provided):\u003c\/strong\u003e KRT18 encodes the type I intermediate filament chain keratin 18.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eAntibody type:\u003c\/strong\u003e Rabbit, clone HB-11, Rabbit IgG.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Purified; Affinity purified.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eReported\/predicted localization:\u003c\/strong\u003e Cytoplasmic.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eSpecies reactivity:\u003c\/strong\u003e tested: Human.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eImmunogen (if provided):\u003c\/strong\u003e A synthetic peptide specific to human Cytokeratin 18 \/ KRT18 was used as the immunogen for the Cytokeratin 18 antibody..\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe information above helps you match the antibody format to your assay context, interpret species-dependent differences, and anticipate how epitope context (isoforms, PTMs, or conformational state) may influence signal.\u003c\/p\u003e\n\n\u003ch2\u003eBiological background\u003c\/h2\u003e\n\u003cp\u003eKRT18 encodes the type I intermediate filament chain keratin 18. Keratin 18, together with its filament partner keratin 8, are perhaps the most commonly found members of the intermediate filament gene family. They are expressed in single layer epithelial tissues of the body. Mutations in this gene have been linked to cryptogenic cirrhosis. [RefSeq]\u003c\/p\u003e\n\u003cp\u003eFor curated annotations (gene\/protein naming, domains, isoforms, and pathway links) for CYTOKERATIN 18, consult primary databases such as UniProt, NCBI Gene, and Ensembl.\u003c\/p\u003e\n\n\u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e\n\u003cul\u003e\n  \n\u003cli\u003eContext-dependent expression studies: researchers often examine CYTOKERATIN 18 abundance and localization across perturbations (genetic, pharmacologic, or environmental) to connect phenotype to molecular changes.\u003c\/li\u003e  \u003cli\u003eReagent reproducibility: there is growing emphasis on antibody specificity checks using orthogonal approaches (e.g., genetic perturbation or independent antibodies) and transparent reporting of clone\/lot information.\u003c\/li\u003e  \u003cli\u003eMulti-modal datasets: antibody-based readouts are increasingly combined with transcriptomics and imaging to relate protein-level measurements to cell-state transitions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon research applications\u003c\/h2\u003e\n\u003cul\u003e\n  \n\u003cli\u003eImmunofluorescence for subcellular localization and cell-type specific expression patterns.\u003c\/li\u003e  \u003cli\u003eWestern blotting (immunoblot) for relative detection of target protein abundance and apparent molecular weight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen comparing conditions, interpret changes in signal in the context of sample composition, expected localization, and any known isoform complexity for the target.\u003c\/p\u003e\n\n\u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\n\u003cul\u003e\n  \n\u003cli\u003e\n\u003cstrong\u003eIsoforms and PTMs:\u003c\/strong\u003e alternative splicing or post-translational modifications can change epitope accessibility and apparent molecular weight; interpret bands\/signals accordingly.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eCross-reactivity and matrix effects:\u003c\/strong\u003e background binding can vary by sample type, species, and blocking\/detection chemistries; include appropriate negative controls.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eControl concepts:\u003c\/strong\u003e where feasible, use genetic perturbation (KO\/KD\/overexpression), orthogonal assays, or independent antibodies to support specificity claims.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAntibody considerations:\u003c\/strong\u003e Polyclonal reagents may recognize multiple epitopes and can increase sensitivity but may show broader binding profiles, while monoclonal clones provide a single-epitope readout that can improve consistency across experiments. If a conjugate is listed, the antibody supports more direct detection workflows; otherwise, it is typically used with a compatible secondary antibody.\u003c\/p\u003e\n\n\u003c!-- Sources (internal):\n- UniProtKB entry for CYTOKERATIN 18 (UniProt): https:\/\/www.uniprot.org\/uniprotkb\/P05783\n- NCBI Gene search for CYTOKERATIN 18 (NCBI): https:\/\/www.ncbi.nlm.nih.gov\/gene\/?term=CYTOKERATIN 18\n- Ensembl gene search for CYTOKERATIN 18 (Ensembl): https:\/\/www.ensembl.org\/Multi\/Search\/Results?q=CYTOKERATIN 18\n- Antibody validation “5 pillars” (Nature Methods, 2016): https:\/\/www.nature.com\/articles\/nmeth.3995\n- NIH replication \u0026 reproducibility resources (NIH): https:\/\/www.nih.gov\/replicationandreproducibility\n- Human Protein Atlas search for CYTOKERATIN 18 (HPA): https:\/\/www.proteinatlas.org\/search\/CYTOKERATIN 18\n--\u003e","brand":"NSJ Bioreagents","offers":[{"title":"Antibody in PBS with 0.02% sodium azide, 50% glycerol and 0.4-0.5mg\/ml BSA \/ 100 ul","offer_id":53044497613165,"sku":"RQ5130","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/get_image_2a1feb1f-385a-4fe9-9b4f-b4e9fc562fb0.jpg?v=1771939036","url":"https:\/\/www.ebiohippo.com\/products\/cytokeratin-18-antibody-krt18-bha17109856","provider":"BioHippo","version":"1.0","type":"link"}