293/hTLR1-HA Unit size Cat. code Docs Qty Price
HEK 293 cells stably transfected with the HA-tagged human TLR1 gene
3-7 x 10e6 cells

293/hTLR1-HA cells were obtained by stable transfection of HEK293 cells with the pUNO-hTLR1-HA plasmid which expresses the human TLR1 gene fused at the 3'end to the influenza hemaglutinine (HA).

The control cell line for 293/hTLR1-HA cells is 293/null.


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Antibiotic resistance: Blasticidin

Growth medium: DMEM, 4.5 g/l glucose, 2-4 mM L-glutamine, 10% (v/v) fetal bovine serum, 50 U/ml penicillin, 50 μg/ml streptomycin, 100 μg/ml Normocin™

Guaranteed mycoplasma-free

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Shipped on dry ice

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TLR1 is predominently expressed in the spleen and peripheral blood cells. No direct ligands have been identified so far for TLR1, and its function remains unclear. TLR1 seems to act as a coreceptor for TLR2. TLR1 and TLR2 form heterodimeric complexes on the cell surface and in the cytosol [1]. TLR1 and TLR2 were shown to cooperate in recognizing Borrelia burgdorferi outer-surface protein A lipoprotein OspA [2]. They also interact to recognize the 19-kD mycobacterial lipopeptide and several synthetic triacylated lipopeptides [3], but not diacylated lipopeptides. This suggests that TLR1 is able to discriminate among lipoproteins by recognizing the lipid configuration [4].


1. Sandor F. et al., 2003. Importance of extra- and intracellular domains of TLR1 and TLR2 in NFkappa B signaling. J Cell Biol. 2003 Sep 15;162(6):1099-110.
2. Alexopoulou L. et al., 2002. Hyporesponsiveness to vaccination with Borrelia burgdorferi OspA in humans and in TLR1- and TLR2-deficient mice. Nat Med. 8(8):878-84.
3. Takeuchi O. et al., 2002. Cutting edge: role of toll-like receptor 1 in mediating immune response to microbial lipoproteins. J Immunol, 169(1):10-4
4. Takeuchi O. et al., 2001. Discrimination of bacterial lipoproteins by Toll-like receptor 6. Int Immunol, 13(7):933-40

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