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Home > Product > Antibody > Rabbit Anti-CXCL12 antibody
SDF1 alpha; C-X-C motif chemokine 12; Chemokine (C X C motif) ligand 12; hIRH; hSDF-1; Intercrine reduced in hepatomas; IRH; PBSF; PBSF; Pre B cell growth stimulating factor; Pre-B cell growth-stimulating factor; SCYB12; SDF 1 alpha; SDF-1; SDF 1 beta; SD
Cat:
SL4938R
Species Reactivity：
Human,Mouse,(predicted: Rat,Chicken,Dog,Pig,Guinea Pig,)
Immunogen：
KLH conjugated synthetic peptide derived from human SDF-1/CXCL12:24-70/93
Format：
Liquid
Storage instructions：
Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
Concentration：
1mg/ml
Clonality：
Polyclonal
Isotype：
IgG
Applications：
WB=1:500-2000ELISA=1:5000-10000IHC-P=1:100-500IHC-F=1:100-500IF=1:50-200（Paraffin sections need to do antigen repair）not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.
Host：
Rabbit
Product Overview：
Sample: Lane 1: Mouse Liver tissue lysates Lane 2: Human HT-1080 tissue lysatesLane3: Human A549 cell lysates Lane4: Human HeLa cell lysates Lane 5: Human MCF-7 cell lysates Lane 6: Human HepG2 cell lysates Primary: Anti- CXCL12 (SL4938R) at 1/1000 dilutionSecondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilutionPredicted band size: 8 kDaObserved band size: 10 kDa
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Product PDFs
Datasheet:


This gene encodes a stromal cell-derived alpha chemokine member of the intercrine family. The encoded protein functions as the ligand for the G-protein coupled receptor, chemokine (SLCX-C motif) receptor 4, and plays a role in many diverse cellular functions, including embryogenesis, immune surveillance, inflammation response, tissue homeostasis, and tumor growth and metastasis. Mutations in this gene are associated with resistance to human immunodeficiency virus type 1 infections. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2013].

Function:
Chemoattractant active on T-lymphocytes, monocytes, but not neutrophils. Activates the SLCX-C chemokine receptor CXCR4 to induce a rapid and transient rise in the level of intracellular calcium ions and chemotaxis. Also binds to another SLCX-C chemokine receptor CXCR7, which activates the beta-arrestin pathway and acts as a scavenger receptor for SDF-1. SDF-1-beta(3-72) and SDF-1-alpha(3-67) show a reduced chemotactic activity. Binding to cell surface proteoglycans seems to inhibit formation of SDF-1-alpha(3-67) and thus to preserve activity on local sites. Acts as a positive regulator of monocyte migration and a negative regulator of monocyte adhesion via the LYN kinase. Stimulates migration of monocytes and T-lymphocytes through its receptors, CXCR4 and CXCR7, and decreases monocyte adherence to surfaces coated with ICAM-1, a ligand for beta-2 integrins. SDF1A/CXCR4 signaling axis inhibits beta-2 integrin LFA-1 mediated adhesion of monocytes to ICAM-1 through LYN kinase. Inhibits CXCR4-mediated infection by T-cell line-adapted HISLV1. Plays a protective role after myocardial infarction. Induces down-regulation and internalization of CXCR7 expressed in various cells. Has several critical functions during embryonic development; required for B-cell lymphopoiesis, myelopoiesis in bone marrow and heart ventricular septum formation.

Subunit:
Monomer or homodimer; in equilibrium. Dimer formation is induced by non acidic pH and the presence of multivalent anions, and by binding to CXCR4 or heparin. Monomeric form is required for full chemotactic activity and resistance to ischemia/reperfusion injury, whereas the dimeric form acts as a partial agonist of CXCR4, stimulating Ca2+ mobilization but with no chemotactic activity and instead acts as a selective antagonist that blocks chemotaxis induced by the monomeric form. Interacts with the N-terminus of CXCR7.

Subcellular Location:
Secreted.

Tissue Specificity:
Isoform Alpha and isoform Beta are ubiquitously expressed, with highest levels detected in liver, pancreas and spleen. Isoform Gamma is mainly expressed in heart, with weak expression detected in several other tissues. Isoform Delta, isoform Epsilon and isoform Theta have highest expression levels in pancreas, with lower levels detected in heart, kidney, liver and spleen.

Post-translational modifications:
Processed forms SDF-1-beta(3-72) and SDF-1-alpha(3-67) are produced after secretion by proteolytic cleavage of isoforms Beta and Alpha, respectively. The N-terminal processing is probably achieved by DPP4. Isoform Alpha is first cleaved at the SLCterminus to yield a SDF-1-alpha(1-67) intermediate before being processed at the N-terminus. The SLCterminal processing of isoform Alpha is reduced by binding to heparin and, probably, cell surface proteoglycans.

Similarity:
Belongs to the intercrine alpha (chemokine CxC) family.

SWISS:
P9661

Gene ID:
6387

Database links:

Entrez Gene: 6387 Human

Entrez Gene: 20315 Mouse

Entrez Gene: 24772 Rat

SwissProt: P9661 Human

SwissProt: P40224 Mouse

Omim: 600835 Human



Picture

Sample:
Lane 1: Mouse Liver tissue lysates
Lane 2: Human HT-1080 tissue lysates
Lane3: Human A549 cell lysates
Lane4: Human HeLa cell lysates
Lane 5: Human MCF-7 cell lysates
Lane 6: Human HepG2 cell lysates
Primary: Anti- CXCL12 (SL4938R) at 1/1000 dilution
Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
Predicted band size: 8 kDa
Observed band size: 10 kDa
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