{"product_id":"spi1-antibody-bha10557815","title":"SPI1 Antibody","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis is a polyclonal anti-SPI1 antibody raised in Rabbit, with confirmed utility in ELISA, WB. It is designed to detect SPI1 protein in Human, Mouse, Rat and supports researchers working in immunology contexts.\u003c\/p\u003e\n\n\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmunogen:\u003c\/strong\u003e Synthesized peptide derived from internal of Human SPI1. — determines the epitope region; confirm compatibility with sample preparation and expected post-translational modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHost species (Rabbit):\u003c\/strong\u003e Requires anti-rabbit-IgG secondary reagents for indirect detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyclonal format:\u003c\/strong\u003e Recognizes multiple epitopes for robust signal; inherent lot-to-lot variability requires appropriate controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsotype (IgG):\u003c\/strong\u003e Matched secondary antibodies and isotype controls required. Compatible with standard Protein A\/G purification workflows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurification (Antigen affinity purification):\u003c\/strong\u003e Enriches for specific immunoglobulin classes; reduces non-specific background vs. crude antisera.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBiological background\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSPI1\u003c\/strong\u003e (also referred to as transcription factor spi1, 31 kDa Transforming Protein, 31 kDa-transforming protein, cb1086, Hematopoietic transcription factor PU.1, OF, oncogene spi1, PU.1, SFFV virus-induced murine erythroleukemia oncogene, mouse, homolog of, SFPI1, si:by184l24.2, SPI 1, SPI 1 proto oncogene, SPI A, Spi1, SPI1_HUMAN, Spleen focus forming virus (SFFV) proviral integration oncogene spi1, Spleen focus forming virus proviral integration oncogene spi1, Transcription factor PU.1) is a protein target studied in Human systems. Expression, subcellular localization, and post-translational modifications vary across cell types and disease states — factors critical to antibody-based detection design. Consult UniProt, NCBI Gene, and primary literature for current annotation of SPI1 biology in immunology.\u003c\/p\u003e\n\n\u003ch2\u003eCommon research applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eELISA:\u003c\/strong\u003e Quantification of soluble target in biological fluids or culture supernatants. Ensure samples are within the linear detection range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWB:\u003c\/strong\u003e Confirms target molecular weight and distinguishes isoforms under denaturing conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsotype controls:\u003c\/strong\u003e Use an isotype-matched (IgG from Rabbit) control at equivalent concentration to assess non-specific background.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-reactivity:\u003c\/strong\u003e Polyclonal preparations may cross-react with related proteins. Orthogonal validation (siRNA, KO lysate) is recommended.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatrix effects:\u003c\/strong\u003e Sample matrix can affect performance; pilot dilution linearity and spike-recovery experiments are advised for quantitative studies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecies reactivity:\u003c\/strong\u003e Confirmed for Human, Mouse, Rat. Extrapolation to untested species requires empirical validation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eThis product is a polyclonal antibody purified from rabbit antiserum.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- Sources:\n- UniProt: https:\/\/www.uniprot.org\n- NCBI Gene: https:\/\/www.ncbi.nlm.nih.gov\/gene\n- Cusabio: https:\/\/www.cusabio.com\n- Human Protein Atlas: https:\/\/www.proteinatlas.org\n- PubMed: https:\/\/pubmed.ncbi.nlm.nih.gov\n--\u003e","brand":"CUSABIO TECHNOLOGY LLC","offers":[{"title":"100 uL","offer_id":53247641256301,"sku":"CSB-PA580989-100UL","price":305.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/CSB-PA580989-WB-1.jpg?v=1776789870","url":"https:\/\/www.ebiohippo.com\/products\/spi1-antibody-bha10557815","provider":"BioHippo","version":"1.0","type":"link"}