PLXNB1 encodes Plexin B1, a transmembrane receptor of the plexin family (alias Plexin-1) that serves as a high-affinity binding partner for class 4 semaphorins, notably SEMA4D. Upon ligand interaction, it activates intracellular signaling cascades involving Rho GTPases (RhoA, Rac1), modulating cytoskeletal rearrangement, axon guidance during neural development, and cell migration/adhesion in diverse tissues.
Dysregulation of PLXNB1 is linked to neurodevelopmental disorders (autism spectrum disorder, schizophrenia) due to impaired axon pathfinding, and cancers (breast, glioma) where it promotes tumor invasion and metastasis. Therapeutic strategies targeting its ligand SEMA4D—such as the antibody vopratelimab—are in clinical trials for multiple myeloma and neuroinflammatory diseases, aiming to inhibit PLXNB1-mediated pro-tumorigenic and pro-inflammatory effects.
Recombinant Human Plexin-B1 (PLXNB1), partial (Active) (CSB-MP018222HU2k6)
Validated Data
(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
Activity
Measured by its binding ability in a functional ELISA. Immobilized human SEMA4D (CSB-MP835707HUd9) at 5 μg/ml can bind human PLXNB1, the EC50 is 0.8179-1.357 μg/ml.
PLXNB1 Antibody (CSB-PA018222LA01HU)
Validated Data
IHC image of CSB-PA018222LA01HU diluted at 1:200 and staining in paraffin-embedded human colon cancer performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a biotinylated secondary antibody and visualized using an HRP conjugated SP system.
IHC image of CSB-PA018222LA01HU diluted at 1:200 and staining in paraffin-embedded human kidney tissue performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a biotinylated secondary antibody and visualized using an HRP conjugated SP system.
Immunofluorescence staining of Hela cells with CSB-PA018222LA01HU at 1:66, counter-stained with DAPI. The cells were fixed in 4% formaldehyde, permeabilized using 0.2% Triton X-100 and blocked in 10% normal Goat Serum. The cells were then incubated with the antibody overnight at 4°C. The secondary antibody was Alexa Fluor 488-congugated AffiniPure Goat Anti-Rabbit IgG(H+L).
Human Plexin-B1(PLXNB1) ELISA kit (CSB-EL018222HU)
Validated Data
Code: CSB-EL018222HU
Size: 96T,5×96T,10×96T
Sensitivity: 19.5 pg/mL
Detection Range: 78 pg/mL-5000 pg/mL
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
The following PLXNB1 reagents supplied by CUSABIO are manufactured under a strict quality control system. Multiple applications have been validated and solid technical support is offered.
PLXNB1 Antibodies for Homo sapiens (Human)
| Code | Product Name | Species Reactivity | Application |
|---|---|---|---|
| CSB-PA058322 | PLXNB1 Antibody | Human,Mouse | ELISA,IHC |
| CSB-PA569970 | PLXNB1 Antibody | Human,Mouse | ELISA,IHC |
| CSB-PA018222LA01HU | PLXNB1 Antibody | Human | ELISA, IHC, IF |
| CSB-PA018222LB01HU | PLXNB1 Antibody, HRP conjugated | Human | ELISA |
| CSB-PA018222LC01HU | PLXNB1 Antibody, FITC conjugated | Human | |
| CSB-PA018222LD01HU | PLXNB1 Antibody, Biotin conjugated | Human | ELISA |
PLXNB1 Proteins for Homo sapiens (Human)
| Code | Product Name | Source |
|---|---|---|
| CSB-YP018222HU CSB-BP018222HU CSB-MP018222HU CSB-EP018222HU-B |
Recombinant Human Plexin-B1 (PLXNB1), partial | Yeast Baculovirus Mammalian cell In Vivo Biotinylation in E.coli |
| CSB-EP018222HU2 | Recombinant Human Plexin-B1 (PLXNB1), partial | E.coli |
| CSB-MP018222HU2k6 | Recombinant Human Plexin-B1 (PLXNB1), partial (Active) | Mammalian cell |
| CSB-EP018222HU | Recombinant Human Plexin-B1 (PLXNB1), partial | E.coli |
PLXNB1 Proteins for Mus musculus (Mouse)
| Code | Product Name | Source |
|---|---|---|
| CSB-YP810618MO CSB-EP810618MO CSB-BP810618MO CSB-MP810618MO CSB-EP810618MO-B |
Recombinant Mouse Plexin-B1 (Plxnb1), partial | Yeast E.coli Baculovirus Mammalian cell In Vivo Biotinylation in E.coli |
PLXNB1 ELISA Kit for Homo sapiens (Human)
| Code | Product Name | Sample Types | Sensitivity |
|---|---|---|---|
| CSB-EL018222HU | Human Plexin-B1(PLXNB1) ELISA kit | serum, plasma, tissue homogenates, cell lysates | 19.5 pg/mL |