Recombinant Human Prostaglandin D2 Receptor (PTGDR) Protein (His&Myc)

Name: Recombinant Human Prostaglandin D2 Receptor (PTGDR) Protein (His&Myc)
Brand: Beta LifeScience
SKU: BLC-06666P
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

Collections: All products, High-quality recombinant proteins, Other recombinant proteins

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Product Overview

Description	Recombinant Human Prostaglandin D2 Receptor (PTGDR) Protein (His&Myc) is produced by our E.coli expression system. This is a protein fragment.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	Q13258
Target Symbol	PTGDR
Synonyms	(PGD receptor)(PGD2 receptor)(Prostanoid DP receptor)
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-10His&C-Myc
Target Protein Sequence	CNLGAMRNLYAMHRRLQRHPRSCTRDCAEPRADGREASPQPLEELD
Expression Range	217-262aa
Protein Length	Partial
Mol. Weight	12.8 kDa
Research Area	Signal Transduction
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	Receptor for prostaglandin D2 (PGD2). The activity of this receptor is mainly mediated by G(s) proteins that stimulate adenylate cyclase, resulting in an elevation of intracellular cAMP. A mobilization of calcium is also observed, but without formation of inositol 1,4,5-trisphosphate. Involved in PLA2G3-dependent maturation of mast cells. PLA2G3 is secreted by immature mast cells and acts on nearby fibroblasts upstream to PTDGS to synthesize PGD2, which in turn promotes mast cell maturation and degranulation via PTGDR.
Subcellular Location	Cell membrane; Multi-pass membrane protein.
Protein Families	G-protein coupled receptor 1 family
Database References	HGNC: 9591 OMIM: 604687 KEGG: hsa:5729 STRING: 9606.ENSP00000303424 UniGene: PMID: 28630327 Polymorphisms of prostaglandin D receptor (PTGDR) gene influence basal promoter activity and gene expression, as well as the cytokine secretory pattern. PMID: 29088248 An association was found between single nucleotide polymorphisms of the PTGFR and SLCO2A1 genes and the response to latanoprost in Han Chinese patients with glaucoma. These SNPs may be important determinants of differential response to latanoprost. PMID: 27336732 EP2 receptors seem to be able to distinguish endogenous ligands PGD2, PGE2 or prostaglandin F2alpha better than DP receptors. PMID: 27636113 PGD2 markedly augments disease activity through its ability to enhance the proinflammatory actions of macrophages and subsequent neutrophil activation. PMID: 26792210 Non-obligatory role of prostaglandin D2 receptor subtype 1 in rosacea: laropiprant in comparison to a placebo did not alleviate the symptoms of erythematoelangiectaic rosacea PMID: 25142778 EP2 receptors exhibit more constraints to mutations than DP receptors. PMID: 25681680 Low DP1 prostanoid receptor is associated with gastric cancer progression. PMID: 24922638 Lipocalin-type prostaglandin D2 (PGD2) synthase (L-PGDS) interacts intracellularly with the G protein-coupled receptor DP1 in an agonist-independent manner. PMID: 24493589 the PTGDR -549 C/T polymorphism confers susceptibility to asthma in Europeans and adults. However, no association was found between the PTGDR 441 C/T and -197 C/T polymorphisms or the CCC and TCT haplotypes and asthma susceptibility. PMID: 23192614 Genetic variant may play a role in NSAID induced acute urticaria. PMID: 23181793 PGD(2)-DP signaling reduces vascular permeability via endothelial cAMP/PKA/Tiam1/Rac1 pathway. PMID: 23307871 The PTGDR -441C/T polymorphism is not associated with asthma or its phenotypes in the North Indian population. PMID: 22182808 DP receptors amplify the biological response to CRTH2 activation and the CRTH2/DP heteromer might represent both a functional signaling unit for PGD(2) and a potential target for development of heteromer-directed therapy for allergic diseases PMID: 21930295 Genetic combinations described have functional implications in the PTGDR promoter activity by changing the transcription factors affinity that will help characterize different risk groups. PMID: 21883277 PGD(2) can induce MUC5B overproduction via ERK MAPK/RSK1/CREB signaling and that DP1 receptor may have suppressive effects in controlling MUC5B overproduction in the airway. PMID: 21832046 Polymorphisms of the PTGDR and LTC4S influence responsiveness to leukotriene receptor antagonists in Korean children with asthma. PMID: 21307858 DP mediates eosinophils through the elevation of intracellular cAMP production but does not change CRTH2 expression; balance between DP and CRTH2 could influence the degree of PGD2-induced eosinophil migration PMID: 21624751 during allergen-elicited eosinophilic inflammatory reactions, cysteinyl-leukotriene production is regulated by DP1/DP2-orchestrated eosinophil activation PMID: 20973774 DP(1) receptors coupled to G(alphas) increase adenylate cyclase activity and cAMP/protein kinase A-dependent formation of lipid bodies, and DP(2) receptors coupled to G(alphai) increase calcium; each of these signals is required for LTC(4) production PMID: 21426314 These results suggest that despite the non-significant findings in the present study populations, prostanoid D2 receptor promoter haplotypes may account for a small but significant proportion of the risk of asthma in Caucasian populations. PMID: 21199159 Mast cell-derived prostaglandin D2 controls hyaluronan synthesis in human orbital fibroblasts via DP1 activation: implications for thyroid eye disease. PMID: 20308056 Prostanoid DP receptor (PTGDR) polymorhisms variants was found in a subset of mothers with post-coital associated preterm births PMID: 19710676 New polymorphisms of human prostanoid DP receptor gene. PMID: 12002745 Association of a new-type prostaglandin D2 receptor CRTH2 with circulating T helper 2 cells in patients with atopic dermatitis. PMID: 12230502 amino acid sequence alignment of human, mouse and rat DP receptors PMID: 12895603 Activation of the D prostanoid receptor DP1 impedes the TNF-alpha-induced migration of Langerhans cells (LC) from skin explants and strongly inhibits chemotactic responses of LC precursors and maturing LCs to CC chemokine ligands 20 and 19, respectively. PMID: 15004188 Our functional and genetic findings identify PTGDR as an asthma-susceptibility gene. PMID: 15496624 DP2 might play a critical role in allergic diseases PMID: 15749909 activation of the prostanoid DP receptor on THP-1 cells enhances TNF-alpha-induced MCP-1 and IL-8 production via the cAMP/PKA signaling pathway PMID: 17307163 study demonstrated significant evidence of association between polymorphisms in PTGDR with asthma phenotypes in two Caucasian populations PMID: 17538632 Review. PGD(2) exerts its effects partly through the D-prostanoid receptor. The distribution of DP expression depends on the type of tissue and environment with/without inflammation. PMID: 17541272 These results suggest that the three PTGDR gene promoter polymorphisms studied are not important risk factors for asthma susceptibility in the Chinese Han population. PMID: 17845306 D-type prostanoid (DP) receptors comediate with CRTH2 the mobilization of eosinophils from bone marrow and their chemotaxis, which might provide the rationale for DP antagonists in the treatment of allergic disease PMID: 17878378 activation of DP(1) may contribute to the long lasting blood flow changes in the target organ--REVIEW PMID: 17965752 Expression of prostaglandin E(2) receptors (EP(2), EP(3), EP(4)), prostaglandin D(2) receptor (DP(2)), prostanoid thromboxane A(2) receptor (TP) and to a lesser extent EP(1) were observed in several hair follicle compartments. PMID: 18005048 level of exptression in nasal polyps correlates with chronic rhinosinusitis associated with bronchial asthma PMID: 18797183 These results suggest that expression of DP and CRTH2 is associated with the pathophysiology of chronic rhinosinusitis, and the expression of these receptors may be regulated by h-PGDS and PGD. PMID: 18802357 promoter polymorphism association in Spanish children with asthma PMID: 18811623 PGD(2) induces HO-1 mRNA expression through DP2 receptor, linking the PGD(2)-DP2 signaling with heme homeostasis. PMID: 18957281 Our results do not support PTGDR to be a major candidate gene for asthma traits and atopy in Chinese children. PMID: 19220773

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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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