Recombinant Human Macrophage Mannose Receptor 1 (MRC1) Protein (His)

Name: Recombinant Human Macrophage Mannose Receptor 1 (MRC1) Protein (His)
Brand: Beta LifeScience
SKU: BLC-02142P
Availability: InStock

Greater than 85% as determined by SDS-PAGE.

Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of this product could indicate that this peptide derived from E.coli-expressed Homo sapiens (Human) MRC1.

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Product Overview

Description	Recombinant Human Macrophage Mannose Receptor 1 (MRC1) Protein (His) is produced by our E.coli expression system. This is a protein fragment.
Purity	Greater than 85% as determined by SDS-PAGE.
Uniprotkb	P22897
Target Symbol	MRC1
Synonyms	bA541I19.1; C type lectin domain family 13 member D; C-type lectin domain family 13 member D; CD 206; CD206; CD206 antigen; CLEC13D; CLEC13DL; Macrophage mannose receptor 1; Macrophage mannose receptor 1 like protein 1; Macrophage mannose receptor; Mannose receptor C type 1; Mannose receptor C type 1 like 1; MMR; MRC 1; MRC1; MRC1_HUMAN; MRC1L1; OTTHUMP00000045206
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-6His
Target Protein Sequence	RTSLCFKLYAKGKHEKKTWFESRDFCRALGGDLASINNKEEQQTIWRLITASGSYHKLFWLGLTYGSPSEGFTWSDGSPVSYENWAYGEPNNYQNVEYCGELKGDPTMSWNDINCEHLNNWICQIQKGQTPKPEPTPAPQDNPPVTEDGWVIYKDYQYYFSKEKETMDNARAFCKRNFGDLVSIQSESEKKFLWKYVNRNDAQSAYFIGLLISLDKKFAWMDGSKVDYVSWATGEPNFANEDENCVTMYSNSGFWNDINCGYPNAFICQRHNSSINATTVMPTMPSVPSGCKEGWNFYSNKCFKIFGFMEEERKNWQEARKACIGFGGNLVSIQNEKEQAFLTYHMKDSTFSAWTGLNDVNSEHTFLWTDGRGVHYTNWGKGYPGGRRSSLSYEDADCVVIIGGASNEAGKWMDDTCDSKRGYICQTRSDPSLTNPPATIQTDGFVKYGKSSYSLMRQKFQWHEAETYCKLHNSLIASILDPYSNAFAWLQMETSNERVWIALNSNLTDNQYTWTDKWRVRYTNWAADEPKLKSACVYLDLDGYWKTAHCNESFYFLCK
Expression Range	655-1213aa
Protein Length	Partial
Mol. Weight	69.9 kDa
Research Area	Immunology
Form	Liquid or Lyophilized powder
Buffer	Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution	Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function	Mediates the endocytosis of glycoproteins by macrophages. Binds both sulfated and non-sulfated polysaccharide chains.; (Microbial infection) Acts as phagocytic receptor for bacteria, fungi and other pathogens.; (Microbial infection) Acts as a receptor for Dengue virus envelope protein E.; (Microbial infection) Interacts with Hepatitis B virus envelope protein.
Subcellular Location	Endosome membrane; Single-pass type I membrane protein. Cell membrane; Single-pass type I membrane protein.
Database References	HGNC: 7228 OMIM: 153618 KEGG: hsa:4360 STRING: 9606.ENSP00000239761 UniGene: PMID: 29225077 no significant difference between our population of Egyptian SCD cases and controls regarding CD209 A>G polymorphism. Infections occurred more frequently among the heterozygous genotype (AG) and homozygous genotype (GG) patients. PMID: 29100978 A combination of CD68/CD206 density and HBV-positivity improves further predictive value for post-operative recurrence of hepatocellular carcinoma (HCC) . Quantification of CD68/CD206 macrophages and their distribution can be exploited for better postsurgical management of HCC patients. PMID: 28656201 The results showed that the small dense LDL particles reduce the MRC1 gene expression levels in the differentiated M2 macrophages from patients with coronary artery disease. Furthermore, they had high inflammatory capacity for the secretion of histamine. PMID: 28059035 Soluble CD206 plasma levels in rheumatoid arthritis reflect decrease in disease activity. PMID: 28598681 Loss of antral CD206-positive anti-inflammatory macrophages is a key feature in human gastroparesis and it is associates with interstitial cells of Cajal loss. PMID: 28066953 The effect of LPS in the expression of CD163 and CD206 on monocytes is not reverted in LPS tolerant cells, and the inhibition of inflammatory cytokines in tolerant cells is not related with modulation of these receptors PMID: 26352275 regulatory effect of the mannose receptor (MR) was mediated by a direct interaction with CD45 on the T cell, inhibiting its phosphatase activity, which resulted in up-regulation of CTLA-4 and the induction of T-cell tolerance. Inhibition of CD45 prevented expression of B-cell lymphoma 6 (Bcl-6), a transcriptional inhibitor that directly bound the CTLA-4 promoter and regulated its activity PMID: 27601670 1,25(OH)2D3 upregulates mannose receptor expression and enhances the monocyte/macrophage phagocytic potential in pulmonary tuberculosis. PMID: 27449998 Peritoneal dendritic cellss in endometriosis tissue express high levels of MR, which promotes phagocytosis of dead endometrial cells and thereby contributes to the etiology of endometriosis. PMID: 27793384 Mannose Receptor and CLEC5A on Macrophage first attracts the Dengue Virus with high avidity, and the virus concurrently interacts with CLEC5A in close proximity to form a multivalent hetero-complex and facilitate CLEC5A-mediated signal transduction. Dengue Virus Infection Is through a Cooperative Interaction between a Mannose Receptor and CLEC5A on Macrophage as a Multivalent Hetero-Complex. PMID: 27832191 Our work demonstrates a key role for MR in the modulation of the TLR4-AhR-IDO axis, which has a significant effect on DC behavior and the development of immune responses against allergens. PMID: 26703454 MRC1 and S100A9 may contribute to the determination of the mechanisms and screening involved in CRC. PMID: 26682511 Findings show that CD206 was highly expressed in the hepatocellular carcinoma (HCC) tissues and indicate that CD206 is a potential biomarker for predicting HCC prognosis. PMID: 26352004 Data show that umbilical cord-derived mesenchymal stem cells (UCMSCs) transplantation promoted the expression of CD206 antigen and increased phagocytic activity of macrophages through interleukin-6 (IL-6) in systemic lupus erythematosus (SLE) patients. PMID: 26209923 Data indicate that mannose receptor (CD206) is a major binding receptor for gamma-tilmanocept. PMID: 26202986 CD206 is a novel biomarker of alternative macrophage activation and treatment outcome in multiple myeloma. PMID: 26169445 The genome wide significant association of MRC1 with sCOMP levels was found likely to act independent of osteoarthritis subtypes. PMID: 25057126 CD206+ cells differentiate between influenza A (H1N1)pdm09 and seasonal influenza virus in lung tissue of fatal cases PMID: 25614715 TAMs phenotypes of glioma samples are the potential biomarkers in assessing the degree of malignancy, tumor invasion, and patient prognosis in clinic. PMID: 25182001 Increased expression of CD206 was found in perivascular macrophages from HIV-infected brain. PMID: 25146376 MRC-1 SNP, rs691005 was found to be associated with sustained viral response in HCV-1-infected patients; identified an interaction between MRC-1 rs691005 and IL-28B rs8099917 and response PMID: 24969847 presence of soluble form of MR in human serum in critical illness PMID: 24114918 There was a significant negative correlation between the number of CD163(+), CD204(+) or CD206(+) alveolar macrophages. PMID: 24498098 The MRC1/CD68 ratio is positively associated with adipose tissue lipogenesis and with muscle mitochondrial gene expression in humans. PMID: 23951013 Novel MRC1 gene polymorphisms are associated with susceptibility to pulmonary tuberculosis in Chinese Uygur and Kazak populations. PMID: 23653008 confers responsivenes to CpG-motif containing oligodeoxynucleotides in macrophages PMID: 24184555 Data suggest a role for CD206 in regulating allergen induced allergic responses in asthma. PMID: 23734186 Report CD44/macrophage mannose receptor as a ligand/receptor pair involved in the process of lymphocyte transit via the lymphatic vasculature. PMID: 23603511 The presence of human mannose receptor in a smaller number of vaginal epithelial cells of serodiscordant females prevented binding and HIV entry into these cells and therefore prevented sexual transmission of HIV. PMID: 23148569 The molecular association of the macrophage mannose receptor (MR) with HSP70 family members via the receptor cytoplasmic tail may contribute to MR trafficking in macrophages. PMID: 23345393 The mannose receptor found on the novel hybridoma cell has endocytic characteristics consistent with and similar to the mannose receptor found on the surface of monocyte-derived human macrophages. PMID: 22967244 results failed to confirm the reported association between MRC1 variant rs1926736 and IFNG variant rs2430561 and leprosy in Han Chinese; however variants rs692527 and rs34856358 of the MRC1 gene were associated with paucibacillary leprosy and rs3138557 of the IFNG gene was significantly associated with multibacillary leprosy PMID: 22392581 elderly subjects had twofold higher CD68 and CD206 gene expression (both P < 0.002) than young participants. In both studies, CD68(+) muscle macrophages were not associated with BMI PMID: 22314623 The frequency of MRC1 allele G1186A (rs34039386)in a Chinese population was higher in the pulmonary tuberculosis group than controls. No association was found for G1195A, T1212C, C1221G, C1303T or C1323T. PMID: 22393309 Sugar moieties on ADAMTS13 interact with MR, thereby promoting its endocytosis by antigen presenting cells. PMID: 22289891 MMR distribution in liver, spleen, lung, kidney, heart, diaphragm, quadriceps, and triceps in these animal models and compared them with MMR distribution in wild-type mice. PMID: 21416197 Studies show that tumoral mucin-mediated ligation of the MR on infiltrating TAM may contribute to their immune suppressive phenotype. PMID: 21331365 The studies provide the first demonstration of a significant role for mannose receptor, synergistic with TLR2, in activating a proinflammatory response to P. aeruginosa infection. PMID: 19197942 These data suggest that in hepatitis B virus infected patients, mannose receptor-mediated interaction between HBsAg and dendritic cells and subsequent impairment of dendritic cells predominantly occurs at the main site of infection, the liver. PMID: 19683778 This is the first study to imply that genetic variants in MRC1, a major member of the C-type lectin, contribute to the development of sarcoidosis. PMID: 21029423 MR plays a key role in the T helper type (Th)2 cell polarization observed after dust mite glycoallergen Der p 1 exposure through regulation of indoleamine 2,3-dioxygenase activity. PMID: 20610655 Data identify a new molecular pathway that links engagement of the mannose receptor, an important pattern recognition receptor for M. tuberculosis, with PPARgamma activation, which regulates the macrophage inflammatory response. PMID: 20554962 The mannose receptor and hCG were colocalized on the surface of uterine natural killer cells. PMID: 19196802 A significant association of exon 7 encoded amino acid haplotypes with leprosy per se (P = 0.012) and multibacillary leprosy (P = 0.004). PMID: 20035344 Results suggest that sequence variations in the MRC1 gene are associated with the development of asthma in two independent and ethnically diverse populations. PMID: 19902202 reduced expression in Mycobacterium tuberculosis-infected human macrophages exhibiting enhanced cellular adhesion PMID: 12368450 Engagement of the endocytic C-type 1 mannose receptor elicits a secretory program in dendritic cells characterized by a repertoire of anti-inflammatory cytokines and chemokines and the ability to inhibit the generation of Th1-polarized immune responses. PMID: 14568928 alveolar macrophage mannose receptor mediates Pneumocystis mediated NF-kB nuclear translocation and may represent an important mechanism of the host cell response to Pneumocystis infection PMID: 15155616 Endocytosis of glycosylated protein by the mannose receptor does not enhance presentation of antigen. The postulated role of the mannose receptor in presentation of glycoprotein-derived antigen is reevaluated in light of these results. PMID: 15190005

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

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