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Immunofluorescence analysis of Metadherin was done on 70% confluent log phase U2OS cells. The cells were fixed with 4% paraformaldehyde for 15 minutes, permeabilized with 0.25% Triton™ X-100 for 10 minutes, and blocked with 5% BSA for 1 hour at room temperature. The cells were labeled with Metadherin Rabbit Polyclonal Antibody (406400) at 1.5 µg/mL and incubated for 3 hours at room temperature and then labeled with Alexa Fluor 488 Goat Anti-Rabbit IgG Secondary Antibody (A11008) at a dilution of 1:400 for 30 minutes at room temperature (Panel a: green). Nuclei (Panel b: blue) were stained with SlowFade® Gold Antifade Mountant with DAPI (S36938). F-actin (Panel c: red) was stained with Alexa Fluor 594 Phalloidin (A12381). Panel d is a merged image showing cytoplasmic localization. Panel e shows no primary antibody control. The images were captured at 20X magnification.
|Tested species reactivity||Human, Mouse|
|Published species reactivity||Human|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Raised against the C-term of human Metadherin.|
|Purification||Antigen affinity chromatography|
|Storage buffer||PBS, pH 7.4|
|Contains||0.1% sodium azide|
|Tested Applications||Dilution *|
|Flow Cytometry (Flow)||3-5 µg/10^6 cells|
|Immunocytochemistry (ICC)||1-2 ug/ml|
|Immunofluorescence (IF)||1-2 ug/ml|
|Immunohistochemistry (Paraffin) (IHC (P))||1:20-1:200|
|Western Blot (WB)||1-2 ug/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
Metadherin (Metastasis adhesion protein), also known as MTDH, LYsine-RIch CEACAM1 co-isolated (LYRIC), is a novel protein that localizes with the tight junction proteins ZO-1 and occludin in polarized epithelial cells. At the tight junction, it acts not as a structural component, but is rather recruited during the maturation of the tight junction complex. Metadherin is overexpressed in breast cancer tissue and breast tumor xenografts, while much lower levels are expressed in normal breast tissue. Metadherin binds to lung vasculature, one of the four common sites of breast cancer metastasis, through a C-terminal segment in the extracellular domain; blocking this lung-homing domain with antibodies or inhibiting metadherin with siRNA has been reported to inhibit breast cancer metastasis.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
||Pathologically decreased miR-26a antagonizes apoptosis and facilitates carcinogenesis by targeting MTDH and EZH2 in breast cancer.||Zhang B,Liu XX,He JR,Zhou CX,Guo M,He M,Li MF,Chen GQ,Zhao Q||Carcinogenesis (32:2)||2011|
|Human||Not Cited||Pathologically decreased miR-26a antagonizes apoptosis and facilitates carcinogenesis by targeting MTDH and EZH2 in breast cancer.||Zhang B,Liu XX,He JR,Zhou CX,Guo M,He M,Li MF,Chen GQ,Zhao Q||Carcinogenesis (32:2)||2011|
3D3; 3D3/LYRIC; AEG-1; AEG1; astrocyte elevated gene 1; Astrocyte elevated gene-1 protein; LYRIC; LYRIC/3D3; Lysine-rich CEACAM1 co-isolated protein; Metadherin; Metastasis adhesion protein; MTDH; Protein LYRIC
2610103J23Rik; 3D3; 3D3/Lyric; AEG-1; AEG1; AV353288; D8Bwg1112e; LYRIC; LYRIC/3D3; MTDH