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Recombinant Rat ROBO1 Fc Chimera Protein, CF

Catalog #: 1749-RB
10 Citations Datasheet / COA / SDS
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1749-RB-050
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Citations (10)
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Recombinant Rat ROBO1 Fc Chimera Protein, CF Summary

Product Specifications

Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its binding ability in a functional ELISA. Biotinylated recombinant mouse Slit-3 immobilized on a streptavidin-coated plate at 1 µg/mL can bind Recombinant Rat ROBO1 Fc Chimera with an apparent Kd <10 nM.
Source
Mouse myeloma cell line, NS0-derived rat ROBO1 protein
Rat ROBO1
(Lys19-Ile560)
Accession # O55005		 IEGRMD Human IgG1
(Pro100-Lys330)
N-terminus C-terminus
Accession #
O55005
N-terminal Sequence
Analysis
Lys19
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
86.2 kDa (monomer)
SDS-PAGE
110-115 kDa, reducing conditions

Product Datasheets

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1749-RB

Product Datasheet
COA
SDS

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

1749-RB

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & 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.
Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: ROBO1

ROBO1 is a 170-200 kDa member of the ROBO family of guidance molecules. It serves as a repulsing molecule that prevents axons from crossing the midline in the developing central nervous system (CNS) (1). Mature rat ROBO1 consists of an 872 amino acid (aa) extracellular domain (ECD), a 21 aa transmembrane segment, and a 733 aa cytoplasmic region (2). The ECD contains five tandem Ig-like domains followed by three tandem fibronectin type III domains. Usage of an alternative promoter for human ROBO1 generates a shorter isoform (ROBO1b or DUTT1) that has an 18 aa substitution for the N-terminal 57 residues (2, 3). Within the ECD, rat ROBO1 shares 98% and 97% aa identity with mouse and human ROBO1, respectively. A 120 kDa soluble fragment of the ECD can be shed by juxtamembrane proteolytic cleavage (4). ROBO1 is expressed on pioneer axons in the neural tube and proliferative zones of the cortical plate (5-8). It is restricted to axonal growth cones that do not cross the midline and to midline-crossing axons only after they cross (2). ROBO1b shows even wider expression in the developing mouse CNS and is the predominant isoform in spinal cord commissural axons (5). ROBO1 plays an important role in axon pathfinding and tract development (6, 9, 10) as well as in neuronal proliferation and dendrite branching (7, 8). ROBO1 binds to Slit1 and Slit2, leading to growth cone collapse and axonal branching (7, 11). It also regulates Netrin-1 and Semaphorin 3A and 3F responsiveness through its ability to form in cis complexes with Neuropilin-1, Neuropilin-2, Plexin A1, DCC, and FLRT3 (10, 12, 13). ROBO1 is additionally expressed in developing ductal epithelia where its binding to Slit2 restricts branching morphogenesis (14). ROBO1-Slit2 interactions can also suppress tumorigenesis (15), enhance VEGF-induced angiogenesis (16), and enhance CXCL12 induced T cell chemotaxis by associating with CXCR4 (17).

References
  1. Dudanova, I and R. Klein (2013) Trends Neurosci. 36:295.
  2. Kidd, T. et al. (1998) Cell 92:205.
  3. Sundaresan, V. et al. (1998) Mol. Cell. Neurosci. 11:29.
  4. Seki, M. et al. (2010) FEBS Lett. 584:2909.
  5. Nural, H.F. et al. (2007) Gene Expr. Patterns 7:837.
  6. Wang, G. et al. (2013) Exp. Cell Res. 319:1083.
  7. Whitford, K.L. et al. (2002) Neuron 33:47.
  8. Yeh, M.L. et al. (2014) J. Neurosci. 34:5717.
  9. Andrews, W. et al. (2006) Development 133:2243.
  10. Hernandez-Miranda, L.R. et al. (2011) J. Neurosci. 31:6174.
  11. Liu, Z. et al. (2004) Mol. Cell. Neurosci. 26:232.
  12. Stein, E. and M. Tessier-Lavigne (2001) Science 291:1928.
  13. Leyva-Diaz, E. et al. (2014) Curr. Biol. 24:494.
  14. Macias, H. et al. (2011) Dev. Cell 20:827.
  15. Chang, P.H. et al. (2012) Cancer Res. 72:4652.
  16. Rama, N. et al. (2015) Nat. Med. 21:483.
  17. Prasad, A. et al. (2007) J. Leukoc. Biol. 82:465.
Long Name
Roundabout Homolog 1
Entrez Gene IDs
6091 (Human); 58946 (Rat)
Alternate Names
DUTT1; DUTT1Drosophila) homolog 1; H-Robo-1; MGC131599; MGC133277; ROBO1; roundabout, axon guidance receptor, homolog 1 (Drosophila)

Citations for Recombinant Rat ROBO1 Fc Chimera Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

10 Citations: Showing 1 - 10
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  1. Recombinant Slit2 suppresses neuroinflammation and Cdc42-mediated brain infiltration of peripheral immune cells via Robo1-srGAP1 pathway in a rat model of germinal matrix hemorrhage
    Authors: Li, Q;Huang, L;Ding, Y;Sherchan, P;Peng, W;Zhang, JH;
    Journal of neuroinflammation
    Species: Rat
    Sample Types: In Vivo
    Applications: In vivo assay
  2. ROBO2 signaling in lung development regulates SOX2/SOX9 balance, branching morphogenesis and is dysregulated in nitrofen-induced congenital diaphragmatic hernia
    Authors: AN Gonçalves, J Correia-Pi, C Nogueira-S
    Respir Res, 2020-11-18;21(1):302.
    Species: Rat
    Sample Types: Whole Cells
    Applications: Cell Culture
  3. SLIT2/ROBO1-signaling inhibits macropinocytosis by opposing cortical cytoskeletal remodeling
    Authors: VK Bhosle, T Mukherjee, YW Huang, S Patel, BWF Pang, GY Liu, M Glogauer, JY Wu, DJ Philpott, S Grinstein, LA Robinson
    Nat Commun, 2020-08-17;11(1):4112.
    Species: Mouse
    Sample Types: In Vivo
    Applications: Bioassay
  4. Robo1 modulates proliferation and neurogenesis in the developing neocortex.
    Authors: Yeh M, Gonda Y, Mommersteeg M, Barber M, Ypsilanti A, Hanashima C, Parnavelas J, Andrews W
    J Neurosci, 2014-04-16;34(16):5717-31.
    Species: Rat
    Sample Types: Whole Cells
    Applications: Bioassay
  5. Axon guidance factor SLIT2 inhibits neural invasion and metastasis in pancreatic cancer.
    Authors: Gohrig A, Detjen K, Hilfenhaus G, Korner J, Welzel M, Arsenic R, Schmuck R, Bahra M, Wu J, Wiedenmann B, Fischer C
    Cancer Res, 2014-01-21;74(5):1529-40.
    Species: Human, Mouse
    Sample Types: In Vivo, Whole Cells
    Applications: Neutralization
  6. Slit-Robo signals regulate pioneer axon pathfinding of the tract of the postoptic commissure in the mammalian forebrain.
    Authors: Ricano-Cornejo I, Altick AL, Garcia-Pena CM, Nural HF, Echevarria D, Miquelajauregui A, Mastick GS, Varela-Echavarria A
    J. Neurosci. Res., 2011-06-17;89(10):1531-41.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: Bioassay
  7. Robo1 regulates semaphorin signaling to guide the migration of cortical interneurons through the ventral forebrain.
    Authors: Hernandez-Miranda LR, Cariboni A, Faux C, Ruhrberg C, Cho JH, Cloutier JF, Eickholt BJ, Parnavelas JG, Andrews WD
    J. Neurosci., 2011-04-20;31(16):6174-87.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  8. Angiocrine factors modulate tumor proliferation and motility through EphA2 repression of Slit2 tumor suppressor function in endothelium.
    Authors: Brantley-Sieders DM, Dunaway CM, Rao M
    Cancer Res., 2010-12-08;71(3):976-87.
    Species: Mouse
    Sample Types: In Vivo
    Applications: In Vivo
  9. Cooperative signaling between Slit2 and Ephrin-A1 regulates a balance between angiogenesis and angiostasis.
    Authors: Dunaway CM, Hwang Y, Lindsley CW
    Mol. Cell. Biol., 2010-12-06;31(3):404-16.
    Species: Mouse
    Sample Types: Cell Lysates
    Applications: Bioassay
  10. The chemorepellent Slit3 promotes monocyte migration.
    Authors: Geutskens SB, Hordijk PL, van Hennik PB
    J. Immunol., 2010-11-15;185(12):7691-8.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay

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