{"product_id":"fc-fragment-of-igg-low-affinity-iib-receptor-cd32-adenovirus-ad-cd32-bhv21600112","title":"Fc fragment of IgG, low affinity IIb, receptor (CD32) Adenovirus (Ad-CD32)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eAd-CD32 is a replication-defective recombinant human adenovirus type 5 (Ad5) expressing the CD32 gene under the CMV promoter. The vector backbone has E1 and E3 deleted, rendering it non-replicative and accommodating the transgene cassette.\u003c\/p\u003e\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackbone:\u003c\/strong\u003e Human adenovirus type 5 (Ad5) with E1 and E3 deleted (dE1\/E3). Replication-incompetent in standard cells; replication-competent helper cells (HEK293) are required for amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePromoter (CMV):\u003c\/strong\u003e a strong, ubiquitous promoter active in most mammalian cell types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransgene:\u003c\/strong\u003e CD32.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiter \u0026amp; format:\u003c\/strong\u003e 1×10\u003csup\u003e10\u003c\/sup\u003e PFU\/ml in storage buffer (DMEM, 2% BSA, 2.5% glycerol or equivalent), supplied as a 200 µL aliquot.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBiological background\u003c\/h2\u003e\u003cp\u003eCD32 (also designated Fc gamma RII) is a 40 kDa low affinity receptor for the Fc fragment of aggregated IgG. CD32 is responsible for the clearance of immunocomplexes by macrophages and also plays an important role in the regulation of antibody production by B cells. CD32 is a cell surface marker that exists as several isoforms, which are produced by alternative splicing. The cytoplasmic portion of FcRIIA and FcRIIC contains an activatory ITAM motif whereas FcRIIB contains an inhibitory ITIM motif. Differential splicing of FcRIIB gene yields two isoforms FcRIIB1and FcRIIB2. All forms are present on monocytes, placental trophoblasts and endothelial cells. Neutrophils express FcRIIA and C. FcRIIB is expressed by B lymphocytes and mast cells. In platelets and megakaryocytes, CD32 is noncovalently associates with a member of the immunoglobin superfamily glycoprotein VI (GPVI), which is a collagen receptor that plays a critical role in collagen-induced platelet aggregation. GPVI exists as 55 kDa protein in megakaryocytes and a 58 kDa protein in platelets.\u003c\/p\u003e\u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDecision-relevant for researchers studying Cd32.\u003c\/li\u003e\n\u003cli\u003eAdenovirus-mediated delivery is well-established in primary cells, organoids, and small-animal models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon research applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePathway activation studies in cell lines and primary cells.\u003c\/li\u003e\n\u003cli\u003eGain-of-function phenotyping in disease-relevant cell models.\u003c\/li\u003e\n\u003cli\u003eRescue experiments paired with shRNA knockdown of the same target.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAdenoviral delivery is episomal and non-integrating; expression dilutes with cell division and typically lasts 1–2 weeks in dividing cells (longer in non-dividing cells such as hepatocytes, neurons, and cardiomyocytes).\u003c\/li\u003e\n\u003cli\u003ePre-existing anti-Ad5 neutralizing antibodies are common in human and primate hosts and can reduce in vivo transduction; this is less relevant in inbred laboratory mouse strains.\u003c\/li\u003e\n\u003cli\u003eMOI optimization is essential — over-dosing can cause cytopathic effects; under-dosing yields incomplete transduction. A 3–5× MOI titration in your specific cell or animal model is recommended.\u003c\/li\u003e\n\u003cli\u003eReplication-defective Ad5 vectors are typically handled at BSL-2; consult your institutional biosafety officer for specific transgenes and routes of use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c!-- Sources (internal):\n  - NCBI Gene: https:\/\/www.ncbi.nlm.nih.gov\/gene\n  - UniProt: https:\/\/www.uniprot.org\/\n  - Russell WC. Adenoviruses: update on structure and function. J Gen Virol 2009; 90:1–20.\n  - Alba R, Bosch A, Chillon M. Gutless adenovirus: last-generation adenovirus for gene therapy. Gene Ther 2005; 12 Suppl 1:S18–27.\n  - Vendor reference: https:\/\/www.vectorbiolabs.com\/product\/1414-fc-fragment-of-igg-low-affinity-iib-receptor-cd32-adenovirus\/\n--\u003e","brand":"Vector Biolabs","offers":[{"title":"1x10^10 PFU\/ml \/ 200 µL","offer_id":53286491095405,"sku":"1414","price":690.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.ebiohippo.com\/products\/fc-fragment-of-igg-low-affinity-iib-receptor-cd32-adenovirus-ad-cd32-bhv21600112","provider":"BioHippo","version":"1.0","type":"link"}