Anti-mouse 4-1BBL (Clone TKS-1) – Biotin

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Pricing & Details

Product No.L324
Clone
TKS-1
Protein
4-1BBL
Formats AvailableView All
Product Type
Monoclonal Antibody
Alternate Names
4-1BBL, CD137L, TNFSF9, 4-1BB Ligand, TKS-1
Isotype
Rat
IgG2a κ
Applications
FC
Prod No.
Size
Price
Avail.
Qty
Add to cart
L324-50μg
50 µg
$90.00
In stock
Max:
Min: 1
Step: 1
L324-100 μg
100 µg
$130.00
In stock
Max:
Min: 1
Step: 1
L324-200μg
200 µg
$215.00
In stock
Max:
Min: 1
Step: 1
Bulk quantities available. Contact us for pricing.

Antibody Details

Product Details

Reactivity Species
Mouse
Host Species
Rat
Immunogen
BALB/c mouse B lymphoma line 2PK-3
Product Concentration
0.5 mg/ml
Formulation
This Biotinylated antibody is formulated in 0.01 M phosphate buffered saline (150 mM NaCl) PBS pH 7.4, 1% BSA and 0.09% sodium azide as a preservative.
Storage and Handling
This Biotinylated antibody is stable when stored at 2-8°C. Do not freeze.
Country of Origin
USA
Shipping
Next Day Ambient
Applications and Recommended Usage?
Quality Tested by Leinco
FC
Each investigator should determine their own optimal working dilution for specific applications. See directions on lot specific datasheets, as information may periodically change.

Description

Specificity
TKS-1 activity is directed against 4-1BBL (CD137L).
Antigen Distribution
4-1BBL is expressed by activated B cells, macrophages, and dendritic cells.
Background
4-1BBL (CD137L) and 4-1BB (CD137) are a receptor ligand pair belonging to the tumor necrosis factor (TNF) receptor/TNF superfamily1,2. 4-1BBL is a type II transmembrane protein expressed by splenic B and T cells, macrophages, and dendritic cells1-5. Members of the TNF-TNF receptor superfamily play critical roles in regulating cellular activation, differentiation, and apoptosis6 and the 4-1BBL-4-1BB interaction is important in cellular immune responses5. 4-1BBL-4-1BB interaction provides a co-stimulatory signal to T cells, resulting in increased proliferation and cytokine production5.

A TKS-1-producing hybridoma was generated by immunizing a SD rat with 4-1BBL-transfected NRK cells (rat IgG2a,κ)5. Splenocytes were fused with P3U1 cells and hypoxanthine–aminopterin–thymidine selection was performed. The monoclonal antibody was identified by its strong reactivity with 4-1BBL-transfected L5178Y cells, cloned by limiting diffusion, purified from ascites, and found to bind to 4-1BBL/NRK and 4-1BBL/P815 cells5.

Pre-incubation with TKS-1 blocks 4-1BB–Ig binding to 4-1BBL/L5178Y cells, indicating TKS-1 is specific to mouse 4-1BBL and can interrupt the interaction between 4-1BBL and 4-1BB5. Additionally, TKS-1 can block anti-CD3-stimulated T cell proliferation co-stimulated by 4-1BBL /P815 cells. The monoclonal antibodies 19H3 and TKS-1 bind to different sites on murine 4-1BBL, with TKS-1 binding to a site that overlaps with the receptor binding site7. Additionally, TKS-1 and 4-1BB bind to a similar site, making TKS-1 especially useful for blocking studies.

Antigen Details

Protein
Ligand/Receptor
4-1BB (CDw137)
PubMed

References & Citations

1. Goodwin RG, Din WS, Davis-Smith T, et al. Eur. J. Immunol. 23:2631-2641. 1993.
2. Alderson MR, Smith CA, Tough TW, et al. Eur. J. Immunol. 24:2219-2227. 1994.
3. Pollok KE, Kim YJ, Hurtado J, et al. Eur J Immunol. 24(2):367-374. 1994.
4. DeBenedette MA, Shahinian A, Mak TW, et al. J. Immunol. 158:551-559. 1997.
5. Futagawa T, Akiba H, Kodama T, et al. Int Immunol. 14(3):275-286. 2002.
6. Smith CA, Farrah T, Goodwin RG. Cell 76:959-962. 1994.
7. Mbanwi AN, Lin GHY, Wang KC, et al. J Immunol Methods. 450:81-89. 2017.
8. Zheng G, Wang B, Chen A. J Immunol. 173(4):2428-2434. 2004.
9. Madireddi S, Eun SY, Lee SW, et al. J Exp Med. 211(7):1433-1448. 2014.
10. Shrestha S, Noh JM, Kim SY, et al. Oncoimmunology. 5(1):e1067744. 2015.
11. Kang SW, Lee SC, Park SH, et al. Cancer Res. 77(21):5989-6000. 2017.
Flow Cytometry

Formats Available

Products are for research use only. Not for use in diagnostic or therapeutic procedures.
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