Recombinant Mouse Flt-3 Ligand/FLT3L Protein

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Recombinant Mouse Flt-3 Ligand/FLT3L (Catalog # 427-FL) stimulates cell proliferation in the BaF3 mouse pro-B cell line transfected with mouse Flt-3. The ED50 for this effect is 0.4-2.4 ng/mL.
1 μg/lane of Recombinant Mouse Flt-3 Ligand/FLT3L was resolved with SDS-PAGE under reducing (R) conditions and visualized by silver staining, showing multiple bands between 18-32 kDa. Multiple bands are due to variable ...read more

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Summary
Reactivity MuSpecies Glossary
Applications Bioactivity

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Recombinant Mouse Flt-3 Ligand/FLT3L Protein Summary

Details of Functionality
Measured in a cell proliferation assay using BaF3 mouse pro‑B cells transfected with mouse Flt-3. The ED50 for this effect is typically 0.4-2.4 ng/mL.
Source
Mouse myeloma cell line, NS0-derived mouse Flt-3 Ligand/FLT3L protein
Gly27-Arg188
Accession #
N-terminal Sequence
Gly27
Protein/Peptide Type
Recombinant Proteins
Gene
Flt3l
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
Theoretical MW
18 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
Multiple bands between 18-32 kDa, reducing conditions
Publications
Read Publications using
427-FL in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA with BSA as a carrier protein.
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Reconstitution Instructions
Reconstitute at 50 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Mouse Flt-3 Ligand/FLT3L Protein

  • FL
  • FLG3L
  • Flt3 ligand
  • Flt-3 Ligand
  • Flt3L
  • FLT3LG
  • fms-related tyrosine kinase 3 ligand
  • SL cytokine

Background

Flt-3 Ligand, also known as FLT3L, is an alpha-helical cytokine that promotes the differentiation of multiple hematopoietic cell lineages (1-3). Mature mouse Flt‑3 Ligand consists of a 161 amino acid (aa) extracellular domain (ECD) with a cytokine-like domain and a juxtamembrane tether region, a 21 aa transmembrane segment, and a 22 aa cytoplasmic tail (4-6). Within the ECD, mouse Flt-3 Ligand shares 71% and 81% aa sequence identity with human and rat Flt-3 Ligand, respectively. The mouse and human Flt-3 Ligand proteins show cross-species activity (4, 5, 7). Flt-3 Ligand is also structurally related to M-CSF and SCF. Flt-3 Ligand is widely expressed in various mouse and human tissues. Flt-3 Ligand is expressed as a noncovalently-linked dimer by T cells and bone marrow and thymic fibroblasts (1, 8). Each 36 kDa chain of the Flt-3 Ligand dimer carries approximately 12 kDa of N- and O‑linked carbohydrates (8). Alternate splicing and proteolytic cleavage of the transmembrane form of the Flt-3 Ligand protein can generate a soluble 30 kDa fragment that includes the cytokine-like domain (4, 8). Alternate splicing of mouse Flt-3 Ligand also generates a membrane-associated isoform with a 57 aa substitution following the cytokine-like domain in the ECD of the Flt-3 Ligand protein (4, 5, 8, 9). Both transmembrane and soluble Flt-3 Ligand signal through the tyrosine kinase receptor Flt-3/Flk-2 (3 - 6). Flt-3 Ligand induces the expansion of monocytes and immature dendritic cells as well as early B cell lineage differentiation (2, 10). Additionally, Flt-3 Ligand synergizes with IL-3, GM‑CSF, and SCF to promote the mobilization and myeloid differentiation of hematopoietic stem cells (4, 5, 7). Flt-3 Ligand also cooperates with IL‑2, IL-6, IL-7, and IL-15 to induce NK cell development and with IL-3, IL-7, and IL‑11 to induce terminal B cell maturation (1, 11). Animal studies also show that Flt-3 Ligand reduces the severity of experimentally induced allergic inflammation (12).
  1. Wodnar-Filipowicz, A. (2003) News Physiol. Sci. 18:247.
  2. Dong, J. et al. (2002) Cancer Biol. Ther. 1:486.
  3. Gilliland, D.G. and J.D. Griffin (2002) Blood 100:1532.
  4. Hannum, C. et al. (1994) Nature 368:643.
  5. Lyman, S.D. et al. (1993) Cell 75:1157.
  6. Savvides, S.N. et al. (2000) Nat. Struct. Biol. 7:486.
  7. Lyman, S.D. et al. (1994) Blood 83:2795.
  8. McClanahan, T. et al. (1996) Blood 88:3371.
  9. Lyman, S.D. et al. (1995) Oncogene 10:149.
  10. Diener, K.R. et al. (2008) Exp. Hematol. 36:51.
  11. Farag, S.S. and M.A. Caligiuri (2006) Blood Rev. 20:123.
  12. Edwan, J.H. et al. (2004) J. Immunol. 172:5016.

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Publications for Flt-3 Ligand/FLT3L (427-FL)(96)

We have publications tested in 5 confirmed species: Human, Mouse, Rat, Cotton Rat, Primate - Macaca mulatta (Rhesus Macaque).

We have publications tested in 8 applications: Bioassay, Cell Culture, Differentiation, ELISA (Standard), ELISA Developmet, In Vivo, Multiplex Assay, Western Blot.


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Bioassay
(84)
Cell Culture
(4)
Differentiation
(2)
ELISA (Standard)
(1)
ELISA Developmet
(1)
In Vivo
(4)
Multiplex Assay
(1)
Western Blot
(1)
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Human
(3)
Mouse
(90)
Rat
(2)
Cotton Rat
(1)
Primate - Macaca mulatta (Rhesus Macaque)
(1)
All Species
Showing Publications 1 - 10 of 96. Show All 96 Publications.
Publications using 427-FL Applications Species
Lau, L;Cariaga, TA;Chang, AB;Lane, JH;Purtha, WE;Rapaport, AS;Hu, R;Konno, H;Bulloch, DN;Rardin, MJ;Gibson, BW;Devoss, J;Ouyang, W;Manzanillo, PS; An essential role for TASL in mouse autoimmune pathogenesis and Toll-like receptor signaling Nature communications 2025-01-24 [PMID: 39856038] (Bioassay, Mouse) Bioassay Mouse
Gamble, N;Bradu, A;Caldwell, JA;McKeever, J;Bolonduro, O;Ermis, E;Kaiser, C;Kim, Y;Parks, B;Klemm, S;Greenleaf, WJ;Crabtree, GR;Koh, AS; PU.1 and BCL11B sequentially cooperate with RUNX1 to anchor mSWI/SNF to poise the T cell effector landscape Nature immunology 2024-04-17 [PMID: 38632339] (Bioassay, Mouse) Bioassay Mouse
Pv, A;Mehatre, SH;Verfaillie, CM;Alam, MT;Khurana, S; Glycolytic state of aortic endothelium favors hematopoietic transition during the emergence of definitive hematopoiesis Science advances 2024-02-16 [PMID: 38363844] (Bioassay, Mouse) Bioassay Mouse
Minutti, CM;Piot, C;Pereira da Costa, M;Chakravarty, P;Rogers, N;Huerga Encabo, H;Cardoso, A;Loong, J;Bessou, G;Mionnet, C;Langhorne, J;Bonnet, D;Dalod, M;Tomasello, E;Reis E Sousa, C; Distinct ontogenetic lineages dictate cDC2 heterogeneity Nature immunology 2024-02-13 [PMID: 38351322] (Bioassay, Mouse) Bioassay Mouse
Henry, CM;Castellanos, CA;Buck, MD;Giampazolias, E;Frederico, B;Cardoso, A;Rogers, NC;Schulz, O;Lee, S;Canton, J;Faull, P;Snijders, AP;Mohapatra, B;Band, H;Reis E Sousa, C; SYK ubiquitination by CBL E3 ligases restrains cross-presentation of dead cell-associated antigens by type 1 dendritic cells Cell reports 2023-11-28 [PMID: 38019655] (Bioassay, Mouse) Bioassay Mouse
Nicolao, MC;Rodrigues, CR;Coccimiglio, MB;Ledo, C;Docena, GH;Cumino, AC; Characterization of protein cargo of Echinococcus granulosus extracellular vesicles in drug response and its influence on immune response Parasites & vectors 2023-07-29 [PMID: 37516852] (Bioassay, Mouse) Bioassay Mouse
LR Palam, B Ramdas, KM Pickerell, SK Pasupuleti, R Kanumuri, A Cesarano, M Szymanski, BM Selman, UP Davé, G Sandusky, F Perna, S Paczesny, R Kapur Loss of Dnmt3a impairs hematopoietic homeostasis and myeloid cell skewing via the PI3Kinase pathway JCI Insight, 2023-05-08;0(0):. 2023-05-08 [PMID: 36976647] (Bioassay, Mouse) Bioassay Mouse
X Cui, C Zhang, F Wang, X Zhao, S Wang, J Liu, D He, C Wang, FC Yang, S Tong, Y Liang Latexin regulates sex dimorphism in hematopoiesis via gender-specific differential expression of microRNA 98-3p and thrombospondin 1 Cell Reports, 2023-03-16;42(3):112274. 2023-03-16 [PMID: 36933218] (Bioassay, Mouse) Bioassay Mouse
J Liu, Y Cheng, X Zhang, Y Chen, H Zhu, K Chen, S Liu, Z Li, X Cao Glycosyltransferase Extl1 promotes CCR7-mediated dendritic cell migration to restrain infection and autoimmunity Cell Reports, 2023-01-18;42(1):111991. 2023-01-18 [PMID: 36656709] (Bioassay, Mouse) Bioassay Mouse
X Liu, N Sato, T Yabushita, J Li, Y Jia, M Tamura, S Asada, T Fujino, T Fukushima, T Yonezawa, Y Tanaka, T Fukuyama, A Tsuchiya, S Shikata, H Iwamura, C Kinouchi, K Komatsu, S Yamasaki, T Shibata, AT Sasaki, J Schibler, M Wunderlich, E O'Brien, B Mizukawa, JC Mulloy, Y Sugiura, H Takizawa, T Shibata, K Miyake, T Kitamura, S Goyama IMPDH inhibition activates TLR-VCAM1 pathway and suppresses the development of MLL-fusion leukemia Embo Molecular Medicine, 2022-12-01;0(0):e15631. 2022-12-01 [PMID: 36453131] (Cell Culture, Human) Cell Culture Human
Show All 96 Publications.

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Bioinformatics

Gene Symbol Flt3l
Uniprot