CHO-CTLA4 Cells
| Unit |
3 x 10^6 cells/ml |
|---|---|
| Cell Type |
Stable (KO/Expressing) Cells |
| Tissue Type |
Hamster cell lines |
| Organism |
Chinese hamster |
| Donor History |
Chinese hamster ovary ,non-neoplastic; genetically engineered for CTLA-4 surface expression |
| Growth Properties |
Adherent/suspension |
| Growth Conditions |
Culture medium: For adherent cultures: DMEM:Ham's F12 (1:1) ,w: 3.1 g/L Glucose ,w: 2.5 mM L-Glutamine ,w: 15 mM HEPES ,w: 0.5 mM Sodium pyruvate ,w: 1.2 g/L NaHCO3 (Cytion article number 820400a)For suspension cultures: CHO Growth Medium A (from InSCREENeX; InSCREENeX catalog number INS-ME-1039). Supplements: For adherent cultures: Supplement the medium with 5% FBS. Add Geneticin (G418-Sulfat) to achieve a final concentration of 0.5 mg/mL. Dissociation reagent: For adherent cultures: Trypsin-EDTA. Seeding density: 2 to 5 x 10⁴ cells/cm². Freeze medium: As a cryopreservation medium ,we use complete growth medium (including FBS) + 10% DMSO for adequate post-thaw viability ,or CM-1 (Cytion catalog number 800100) ,which includes optimized osmoprotectants and metabolic stabilizers to enhance recovery and reduce cryo-induced stress. Incubation atmosphere: 37°C ,5% CO2 ,humidified atmosphere. |
| Immortalization Method | |
| Full Information |
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The CHO-CTLA4 cell line is a stable recombinant CHO (Chinese Hamster Ovary) cell line engineered to express the CTLA4 receptor at a medium-low level, approximately 3,000 molecules per cell. This cell line was created using an innovative landing pad technology that facilitates the targeted integration of the CTLA4 gene at a specific, pre-validated genomic locus. CTLA4, also known as CD152, is a critical immune checkpoint protein found primarily on T-cells. It functions by competing with CD28 for binding to B7 molecules (CD80 and CD86) on antigen-presenting cells, leading to the downregulation of T cell activation. This mechanism is vital for maintaining immune self-tolerance and preventing autoimmunity. CTLA4’s role in modulating immune responses has made it a significant target in cancer immunotherapy, particularly in immune checkpoint blockade strategies.
The expression of CXCR7 in this cell line was confirmed using flow cytometry.
Společnost Cytion vznikla v roce 2004 v německém Heidelbergu s jasným vědeckým posláním: dodávat ověřené lidské a zvířecí buněčné linie bez kontaminace, připravené za přísně kontrolovaných laboratorních podmínek.
Postupně se vypracovala ve spolehlivou buněčnou banku, která slouží akademickým laboratořím, biotechnologickým firmám i farmaceutickým výzkumným týmům po celém světě. Klade přitom důraz na reprodukovatelnost výsledků, přísnou kontrolu kvality a dlouhodobá partnerství.
Mikrobiologické aplikace
NGS
Rapid testy
PCR plasty
Třepačky
Suché lázně
Fluorometry
Buněčné kultury
PCR, qPCR, RT
Detekce Mycoplasmat
Reverzní transkripce
Alergie
Intolerance
Elisa
Imunologické analyzátory
Veterinární imunologie
Alergie u zvířat
Intolerance u zvířat
Čtečky identifikačních čipů
Termočipy
Biochemie
Imunoanalýza

