Rabbit Polyclonal Osteoprotegerin antibody. Suitable for WB, IHC-P and reacts with Mouse, Human samples. Cited in 31 publications. Immunogen corresponding to Synthetic Peptide within Human TNFRSF11B aa 1-100.
pH: 7
Preservative: 0.025% Proclin 300
Constituents: 79% PBS, 20% Glycerol (glycerin, glycerine)
WB | IHC-P | |
---|---|---|
Human | Tested | Tested |
Mouse | Tested | Expected |
Species | Dilution info | Notes |
---|---|---|
Species Mouse | Dilution info 1/500 - 1/3000 | Notes - |
Species Human | Dilution info 1/500 - 1/3000 | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 1/100 - 1/1000 | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Mouse | Dilution info Use at an assay dependent concentration. | Notes - |
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Acts as a decoy receptor for TNFSF11/RANKL and thereby neutralizes its function in osteoclastogenesis. Inhibits the activation of osteoclasts and promotes osteoclast apoptosis in vitro. Bone homeostasis seems to depend on the local ratio between TNFSF11 and TNFRSF11B. May also play a role in preventing arterial calcification. May act as decoy receptor for TNFSF10/TRAIL and protect against apoptosis. TNFSF10/TRAIL binding blocks the inhibition of osteoclastogenesis.
OCIF, OPG, TNFRSF11B, Tumor necrosis factor receptor superfamily member 11B, Osteoclastogenesis inhibitory factor, Osteoprotegerin
Rabbit Polyclonal Osteoprotegerin antibody. Suitable for WB, IHC-P and reacts with Mouse, Human samples. Cited in 31 publications. Immunogen corresponding to Synthetic Peptide within Human TNFRSF11B aa 1-100.
pH: 7
Preservative: 0.025% Proclin 300
Constituents: 79% PBS, 20% Glycerol (glycerin, glycerine)
Osteoprotegerin (OPG) also known as osteoclastogenesis inhibitory factor is a glycoprotein with a mass of approximately 60 kDa. It acts as a soluble decoy receptor for receptor activator of nuclear factor kappa-Β ligand (RANKL) and is encoded by the TNFRSF11B gene. OPG is mainly expressed in osteoblasts fibroblasts and endothelial cells. Its expression can be found in diverse tissues throughout the body including the liver and lungs.
OPG inhibits the differentiation and activation of osteoclasts by binding to RANKL preventing its interaction with the receptor RANK on the surface of osteoclast progenitor cells. As part of a non-classical signaling pathway OPG plays a significant role in the regulation of bone remodeling and maintenance by controlling bone resorption. This activity preserves bone density and structure by limiting excessive osteoclastic activity.
OPG operates within the RANK/RANKL/OPG signaling axis which is important for bone metabolism. It counteracts the bone-resorption pathway driven by the RANKL-RANK interaction inhibiting osteoclastogenesis. This axis involves interactions with other proteins such as RANK RANKL and TRAIL where TRAIL’s involvement hints towards a broader immune regulation role for OPG.
OPG has a significant association with conditions such as osteoporosis and vascular calcification. In osteoporosis an imbalance in the RANKL/OPG ratio can lead to excessive bone loss due to increased osteoclast activity. In vascular calcification OPG appears to play a protective role likely linked with regulatory mechanisms involving RANKL and TRAIL. Understanding these interactions opens potential therapeutic avenues particularly in managing bone-related and cardiovascular conditions.
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This species and application combination has not been tested, but we predict it will work based on strong homology. However, this combination is not covered by our product promise.
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Immunohistochemical analysis of paraffin-embedded Cal27 xenograft labeling OPG with ab183910 at 1/500 dilution. Antigen Retrieval: EDTA based buffer, pH 8.0 for 15 min.
10% SDS-PAGE
All lanes: Western blot - Anti-Osteoprotegerin antibody (ab183910) at 1/1000 dilution
All lanes: Mouse heart lysate at 50 µg
Predicted band size: 46 kDa
10% SDS-PAGE
All lanes: Western blot - Anti-Osteoprotegerin antibody (ab183910) at 1/1000 dilution
All lanes: Raji whole cell lysate at 30 µg
Predicted band size: 46 kDa
Image collected and cropped by CiteAb under a CC-BY license from the publication
Osteoprotegerin western blot using anti-Osteoprotegerin antibody ab183910. Publication image and figure legend from Liu, W., Wang, Z., et al., 2019, Open Biol, PubMed 31088250.
ab183910 was used in this publication in western blot. This may not be the same as the application(s) guaranteed by Abcam. For a full list of applications guaranteed by Abcam for ab183910 please see the product overview.
Activation of mTORC1 in osteocytes stimulates RANKL expression and osteoclast formation in mice. (a) Representative images of TRAP staining of femora from 10-week-old control (DTCL) and Tsc1 CKO mice. The scale bars represent 50 µm. (b) Number of TRAP-positive osteoclasts (t-test, p = 0.0017, n = 6). (c) Western blot analysis of RANKL in bone lysates from DTCL and Tsc1 CKO mice (n = 6). (d–g) MLO-Y4 cells were infected with control shRNA lentivirus (shNC) and TSC1 shRNA lentivirus (ΔTSC1) for 72 h. (d) Representative images of lentivirus infection of MLO-Y4 cells. Scale bars, 50 µm. Western blot analysis of pS6, pS6K, RANKL and OPG (e) in MLO-Y4 cells infected with TSC1 shRNA lentivirus. qPCR analysis for (f) RANKL and (g) OPG mRNA levels (t-test, RANKL: p = 0.0054, OPG: p = 0.0171, n = 6). (h–j) MLO-Y4 cells were treated with 1 nM rapamycin (ΔR) and DMSO (vehicle) for 48 h, then cell lysates were subjected to immunoblot (h) and qPCR analysis for (i) RANKL and (j) OPG protein and mRNA levels, respectively (t-test, RANKL: p = 0.0003, OPG: p = 0.0220, n = 6). All experiments were repeated independently three times. Data are represented as mean ± s.d., *p < 0.05, **p < 0.01 and ***p < 0.001.
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