Recombinant Human MFG-E8 Protein, CF Summary
Product Specifications
Leu24-Cys387, with a C-terminal 6-His tag
Analysis
Product Datasheets
Carrier Free
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.
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.
2767-MF
Formulation | Lyophilized from a 0.2 μm filtered solution in NaH2PO4 and NaCl. |
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.
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Reconstitution Calculator
Background: MFG-E8
Milk Fat Globulin Protein E8 (MFG-E8), also known as Lactadherin, MP47, breast epithelial antigen BA46, and SED1, is a 66-75 kDa pleiotropic secreted glycoprotein that promotes mammary gland morphogenesis, angiogenesis, and tumor progression. MFG-E8 also plays an important role in tissue homeostasis and the prevention of inflammation (1). Human MGF-E8 contains one N-terminal EGF-like domain and two C‑terminal F5/8-type discoidin-like domains (2). It shares 63% and 61% aa sequence identity with comparable regions of mouse and rat MFG-E8, respectively. Shorter isoforms of human MFG-E8 may have N-terminal deletions (beginning near the end of the first discoidin-like domain), internal deletions (lacking either the EGF-like domain or the central region of the second discoidin-like domain), or C‑terminal deletions (truncated within the second discoidin-like domain) (3). A 50 aa internal proteolytic fragment of human MFG-E8 (known as Medin) is a major component of aortic medial amyloid deposits (4). MFG-E8 is released into the milk in complex with lipid-containing milk fat globules. It is also found in multiple other cell types including endothelial cells and smooth muscle cells of the vasculature, immature dendritic cells, at the acrosomal cap of testicular and epididymal sperm, and in epithelial cells of the endometrium (1). MFG-E8 binds to the Integrins alpha V beta 3 and alpha V beta 5 and potentiates the angiogenic action of VEGF through VEGF R2 (5, 6). It reduces inflammation and tissue damage in a variety of settings. MFG-E8 functions as a bridge between phosphatidylserine on apoptotic cells and Integrin alpha V beta 3 on phagocytes, leading to the clearance of apoptotic debris (7). It mediates the engulfment of apoptotic bodies in atherosclerotic plaques and prion-infected brain (8, 9) and of apoptotic B cells during germinal center reactions (10, 11). MFG-E8 also promotes the removal of excess Collagen in fibrotic lungs and the regeneration of damaged intestinal epithelia (12, 13). Its tissue-protective role impairs anti‑tumor immunity and chemotherapy-induced apoptosis (14). MFG-E8 in the breastmilk blocks rotavirus infection in nursing babies (15).
- Raymond, A. et al. (2009) J. Cell. Biochem. 106:957.
- Couto, J.R. et al. (1996) DNA Cell Biol. 15:281.
- Yamaguchi, H. et al. (2010) Eur. J. Immunol. 40:1778.
- Haggqvist, B. et al. (1999) Proc. Natl. Acad. Sci. USA 96:8669.
- Silvestre, J.-S. et al. (2005) Nat. Med. 11:499.
- Borges, E. et al. (2000) J. Biol. Chem. 275:39867.
- Hanayama, R. et al. (2002) Nature 417:182.
- Ait-Oufella, H. et al. (2007) Circulation 115:2168.
- Kranich, J. et al. (2010) J. Exp. Med. 207:2271.
- Hanayama, R. et al. (2004) Science 304:1147.
- Kranich, J. et al. (2010) J. Exp. Med. 205:1293.
- Atabai, K. et al. (2009) J. Clin. Invest. 119:3713.
- Bu, H.-F. et al. (2007) J. Clin. Invest. 117:3673.
- Jinushi, M. et al. (2009) J. Exp. Med. 206:1317.
- Kvistgaard, A.S. et al. (2004) J. Dairy Sci. 87:4088.
Citations for Recombinant Human MFG-E8 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.
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Citations: Showing 1 - 10
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Unravelling heterogeneous effects of cancer?associated fibroblasts on poor prognosis markers in breast cancer EM?G3 cell line: In vitro?targeted treatment (anti?IL-6, anti?VEGF-A, anti?MFGE8) based on transcriptomic profiling
Authors: Urban, L;Novák, ;?oma, M;Dvo?ánková, B;Lacina, L;áchová, J;Hradilová, M;Svato?ová, P;Kolá?, M;Strnad, H;B?ezinová, J;Smetana, K;Gál, P;Szabo, P;
Oncology reports
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
EDIL3 as an angiogenic target of immune exclusion following checkpoint blockade
Authors: Tabasum, S;Thapa, D;Giobbie-Hurder, A;Weirather, JL;Campisi, M;Schol, PJ;Li, X;Li, J;Yoon, CH;Manos, MP;Barbie, DA;Hodi, FS;
Cancer immunology research
Species: Human
Sample Types: Plasma
Applications: ELISA Capture -
Development of human cell-expressed tag-free rhMFG-E8 as a radiation mitigator and a therapeutic for acute kidney injury
Authors: Chaung, W;Zhang, F;Ma, G;Yen, H;Jacob, A;Brenner, M;Wang, P;
Research square
Species: Human
Sample Types: Recombinant Protein
Applications: Bioassay -
MFG-E8 stabilized by deubiquitinase USP14 suppresses cigarette smoke-induced ferroptosis in bronchial epithelial cells
Authors: Y Cui, L Luo, Z Zeng, X Liu, T Li, X He, Y Ma, W Meng, H Zeng, Y Long, D Zong, Y Chen
Cell Death & Disease, 2023-01-03;14(1):2.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
MFG-E8 (LACTADHERIN): a novel marker associated with cerebral amyloid angiopathy
Authors: P Marazuela, M Solé, A Bonaterra-, J Pizarro, J Camacho, E Martínez-S, HB Kuiperij, MM Verbeek, AM de Kort, FHBM Schreuder, CJM Klijn, L Castillo-R, O Pancorbo, D Rodríguez-, F Pujadas, P Delgado, M Hernández-
Acta neuropathologica communications, 2021-09-16;9(1):154.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
Identification and Validation of Nutrient State-Dependent Serum Protein Mediators of Human CD4+ T Cell Responsiveness
Authors: K Han, K Singh, MJ Rodman, S Hassanzade, Y Baumer, RD Huffstutle, J Chen, J Candia, F Cheung, KER Stagliano, M Pirooznia, TM Powell-Wil, MN Sack
Nutrients, 2021-04-28;13(5):.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
Extracellular vesicles produced by bone marrow mesenchymal stem cells attenuate renal fibrosis, in part by inhibiting the RhoA/ROCK pathway, in a UUO rat model
Authors: Z Shi, Q Wang, Y Zhang, D Jiang
Stem Cell Res Ther, 2020-06-26;11(1):253.
Species: Human, Rat
Sample Types: In Vivo, Whole Cells
Applications: Bioassay, In Vivo -
KCNJ13 Gene Deletion Impairs Cell Alignment and Phagocytosis in Retinal Pigment Epithelium Derived from Human-Induced Pluripotent Stem Cells
Authors: Y Kanzaki, H Fujita, K Sato, M Hosokawa, H Matsumae, F Shiraga, Y Morizane, H Ohuchi
Invest. Ophthalmol. Vis. Sci., 2020-05-11;61(5):38.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
MFG-E8 mediates arterial aging by promoting the proinflammatory phenotype of vascular smooth muscle cells
Authors: HY Chiang, PH Chu, TH Lee
J. Biomed. Sci., 2019-08-30;26(1):61.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
Bacillus anthracis Edema Toxin Inhibits Efferocytosis in Human Macrophages and Alters Efferocytic Receptor Signaling
Authors: Z Pan, EK Dumas, C Lawrence, L Pate, S Longobardi, X Wang, JA James, S Kovats, AD Farris
Int J Mol Sci, 2019-03-07;20(5):.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
Recombinant milk fat globule-EGF factor-8 reduces apoptosis via integrin ?3/FAK/PI3K/AKT signaling pathway in rats after traumatic brain injury
Authors: YY Gao, ZH Zhang, Z Zhuang, Y Lu, LY Wu, ZN Ye, XS Zhang, CL Chen, W Li, CH Hang
Cell Death Dis, 2018-08-28;9(9):845.
Species: Rat
Sample Types: In Vivo
Applications: In Vivo -
Method for measuring extracellular flux from intact polarized epithelial monolayers
Authors: MA Calton, MO Beaulieu, G Benchorin, D Vollrath
Mol. Vis., 2018-06-25;24(0):425-433.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
Atorvastatin Inhibits the HIF1?-PPAR Axis, Which Is Essential for Maintaining the Function of Human Induced Pluripotent Stem Cells
Authors: Y Nakashima, C Miyagi-Shi, H Noguchi, T Omasa
Mol. Ther., 2018-06-19;0(0):.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
RPE phagocytic function declines in age-related macular degeneration and is rescued by human umbilical tissue derived cells
Authors: G Inana, C Murat, W An, X Yao, IR Harris, J Cao
J Transl Med, 2018-03-13;16(1):63.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
Quantified F-Actin Morphology Is Predictive of Phagocytic Capacity of Stem Cell-Derived Retinal Pigment Epithelium
Authors: C Müller, C Charniga, S Temple, SC Finnemann
Stem Cell Reports, 2018-02-15;0(0):.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
MFG-E8 overexpression promotes colorectal cancer progression via AKT/MMPs signalling
Authors: Q Zhao, L Xu, X Sun, K Zhang, H Shen, Y Tian, F Sun, Y Li
Tumour Biol., 2017-06-01;39(6):1010428317707.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
A novel affinity-based method for the isolation of highly purified extracellular vesicles
Sci Rep, 2016-09-23;6(0):33935.
Species: Human
Sample Types: Cell Lysates
Applications: Bioassay -
Regulation of osteoclast homeostasis and inflammatory bone loss by MFG-E8.
Authors: Abe T, Shin J, Hosur K, Udey M, Chavakis T, Hajishengallis G
J Immunol, 2014-06-23;193(3):1383-91.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
ERK5 activation in macrophages promotes efferocytosis and inhibits atherosclerosis.
Authors: Heo K, Cushman H, Akaike M, Woo C, Wang X, Qiu X, Fujiwara K, Abe J
Circulation, 2014-04-28;130(2):180-91.
Species: Mouse
Sample Types: Whole Cells
Applications: Bioassay -
Neutrophil microparticles modulate cytokine production by natural killer cells.
Authors: Pliyev B, Kalintseva M, Abdulaeva S, Yarygin K, Savchenko V
Cytokine, 2013-12-16;65(2):126-9.
Species: Human
Sample Types: Whole Cells
Applications: Bioassay -
The interaction between CD300a and phosphatidylserine inhibits tumor cell killing by NK cells.
Authors: Lankry D, Rovis T, Jonjic S, Mandelboim O
Eur J Immunol, 2013-06-21;43(8):2151-61.
Species: Human
Sample Types: Whole Cells
Applications: Cell Culture -
Comparative proteomic analysis of rat aorta in a subtotal nephrectomy model.
Authors: Lin YP, Hsu ME, Chiou YY
Proteomics, 2010-07-01;10(13):2429-43.
Applications: ELISA (Standard) -
Transglutaminase 2 is needed for the formation of an efficient phagocyte portal in macrophages engulfing apoptotic cells.
Authors: Toth B, Garabuczi E, Sarang Z, Vereb G, Vamosi G, Aeschlimann D, Blasko B, Becsi B, Erdodi F, Lacy-Hulbert A, Zhang A, Falasca L, Birge RB, Balajthy Z, Melino G, Fésüs L, Szondy Z
J. Immunol., 2009-02-15;182(4):2084-92.
Species: Human
Sample Types: Recombinant Protein
Applications: Surface Plasmon Resonance
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Average Rating: 5 (Based on 1 Review)
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Reason for Rating: Bioactivity is reproducible, and endotoxin levels are consistently low as promised.
We use MFG-E8 as a ligand for phagocytosis assays involving AVB5 integrin receptor. Our reading is whether or not we see lipofuscin buildup from phagocytic overload. With MFG-E8 at 1.5ug/mL, we see significantly more lipofuscin buildup than without the recombinant protein, as applied to primary cell culture.