{"product_id":"mouse-pou-domain-class-5-transcription-factor-1-pou5f1-adenovirus-ad-m-oct4-bhv21600360","title":"mouse POU domain, class 5, transcription factor 1 (POU5F1) Adenovirus (Ad-m-Oct4)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eAd-m-Oct4 is a replication-defective recombinant human adenovirus type 5 (Ad5) expressing the m-Oct4 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 m-Oct4.\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\u003eOct-3\/4 is one of the family of octamer (“Oct”) transcription factors, and plays a crucial role in maintaining pluripotency. The absence of Oct-3\/4 in Oct-3\/4+ cells, such as blastomeres and embryonic stem cells, leads to spontaneous trophoblast differentiation, and presence of Oct-3\/4 thus gives rise to the pluripotency and differentiation potential of embryonic stem cells. Various other genes in the “Oct” family, including Oct-3\/4’s close relatives, Oct1 and Oct6, fail to elicit induction, thus demonstrating the exclusiveness of Oct-3\/4 to the induction process.\u003c\/p\u003e\u003cp\u003eUsing adenovirus to deliver these transcription factors has 2 main advantages – it does not incorporate into the targeted host and therefore avoids the potential for insertional mutagenesis, and the expression is transient for a brief amount of time in order for effective reprogramming to take place.\u003c\/p\u003e\u003cp\u003eThis adenovirus expresses mouse Oct3\/4, and it can be used in combination with other iPSC factor for the induction of iPSC reprogramming.\u003c\/p\u003e\u003ch2\u003eResearch relevance and current trends\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDecision-relevant for researchers studying Lineage TFs.\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\/1792-mouse-pou-domain-class-5-transcription-factor-1-pou5f1-adenovirus\/\n--\u003e","brand":"Vector Biolabs","offers":[{"title":"1x10^10 PFU\/ml \/ 200 µL","offer_id":53286499778925,"sku":"1792","price":475.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.ebiohippo.com\/products\/mouse-pou-domain-class-5-transcription-factor-1-pou5f1-adenovirus-ad-m-oct4-bhv21600360","provider":"BioHippo","version":"1.0","type":"link"}