Recombinant Human Uteroglobin Protein (SCGB1A1), Active

Name: Recombinant Human Uteroglobin Protein (SCGB1A1), Active
Brand: Beta LifeScience
SKU: BLC-05887P
Availability: InStock

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Product Overview

Description	Recombinant Human Uteroglobin Protein (SCGB1A1), Active is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 98% as determined by SDS-PAGE and HPLC.
Endotoxin	Less than 1.0 EU/μg as determined by LAL method.
Activity	Fully biologically active when compared to standard. The ED50 as determined by the ability of the immobilized protein to support the adhesion of the A549 human lung carcinoma cells is less than 5.0 μg/ml, corresponding to a specific activity of >200 IU/mg.
Uniprotkb	P11684
Target Symbol	SCGB1A1
Synonyms	Blastokinin; CC10; CC16; CCPBP; CCSP; Clara cell phospholipid binding protein; Clara cell phospholipid-binding protein; Clara cell specific 10 kD protein; Clara cells 10 kDa secretory protein; OTTHUMP00000236107; SCGB1A1; Secretoglobin family 1A member 1; Secretoglobin, family 1A, member 1 (uteroglobin); UG; UGB; UP-1; UP1; Urinary protein 1; Urine protein 1; UTER_HUMAN; Uteroglobin
Species	Homo sapiens (Human)
Expression System	E.Coli
Tag	Tag-Free
Complete Sequence	EICPSFQRVI ETLLMDTPSS YEAAMELFSP DQDMREAGAQ LKKLVDTLPQ KPRESIIKLM EKIAQSSLCN
Expression Range	22-91aa
Protein Length	Full Length of Mature Protein
Mol. Weight	7.9 kDa
Research Area	Immunology
Form	Lyophilized powder
Buffer	Lyophilized from a 0.2 µm filtered concentrated solution in PBS, pH 7.4.
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	Binds phosphatidylcholine, phosphatidylinositol, polychlorinated biphenyls (PCB) and weakly progesterone, potent inhibitor of phospholipase A2.
Subcellular Location	Secreted.
Protein Families	Secretoglobin family
Database References	HGNC: 12523 OMIM: 192020 KEGG: hsa:7356 STRING: 9606.ENSP00000278282 UniGene: PMID: 29685782 Data suggest that the increase in plasma club cell protein (CC16) CC16 following inhaled allergen as a biomarker of epithelial dysfunction. PMID: 28862880 We propose that increased CC-16 levels is a marker of lung inflammatory response that associated with ventilatory insufficiency are related to impending respiratory failure, not fully predicted by conventional respiratory tests PMID: 28967121 Studied serum CC16 levels in The serum CC16 levels in Acute respiratory distress syndrome (ARDS) and non-ARDS patients; found CC16 to be were significantly higher in ARDS patients than that in non-ARDS patients. PMID: 28548310 Studied serum CC16 levels in relation to atopy and previously manifested low respiratory tract diseases. Found low serum CC16 is associated with previously expressed pneumonia and chronic wheezing in atopic children. PMID: 28146340 Our data suggest that rCC16 suppresses LPS-mediated inflammatory mediator TNF-alpha, IL-6, and IL-8 production by inactivating NF-kappaB and p38 MAPK but not AP-1 in RAW264.7 cells. PMID: 28338974 There were associations between urinary CC16 and arsenic concentration in soil, water, house dust, and dust loading. In multiple analyses, only the concentration of arsenic in soil was associated with urinary CC16 levels after accounting for other factors. PMID: 27223295 findings demonstrate that CC16 is upregulated in IPF patients suggesting that may participate in its pathogenesis. PMID: 27977812 The G38A CCSP gene polymorphism may alter either the production of the protein and/or its activity in chronic obstructive pulmonary disease. PMID: 27496897 CC16 levels differed among idiopathic pulmonary fibrosis, pulmonary sarcoidosis and chronic pulmonary obstructive disease. PMID: 27758987 Lung-specific (CC-16) and novel (RelB) biomarkers are associated with systemic cardiovascular changes over time. CC-16 can predict subsequent exacerbations in subjects with severe COPD and may be an important biomarker of pulmonary and systemic stress in COPD. PMID: 26914709 The serum concentration of CC16 was significantly higher in patients with lung fibrosis. PMID: 25244495 lower levels of urine CC16 and lung function in patients with asthma than in those patients without asthma. CC16 in urine may be a useful tool or biomarker for investigating lung epithelium integrity among children with asthma or lung injury. PMID: 26108072 Smokers and COPD patients had reduced airway CC16 immunostaining that decreased with increasing COPD severity. PMID: 25700379 the uteroglobin G38A gene polymorphism was not associated with IgAN risk PMID: 25068828 Sputum and bronchoalveolar lavage fluid CC16 were significantly higher in patients with severe asthma compared to mild-moderate asthma and healthy controls. PMID: 25728058 In chromium-exposed workers, blood levels of CC16, and CC16/SP-D were lower than in controls. Positive relationships were shown between CC16 or CC16/SP-D and indicators of lung function. PMID: 25851191 KL-6 levels were higher and CC16 levels were lower in infants with poor neurodevelopmental outcome compared with those infants who had favourable neurodevelopmental outcome. PMID: 25631862 CC16 may play an important protective role in cigarette smoke-related diseases. PMID: 25635997 A meta-analysis indicated that the CC16 gene A38G polymorphism is not associated with the risk of asthma. PMID: 25743006 Increased plasma clara cell secretory protein levels are associated with primary graft dysfunction. PMID: 24400993 Uteroglobin is a possible ligand of the lipoxin receptor and it may have a role in inhibiting serum amyloid A-driven inflammation PMID: 24782597 Athletes with decreased serum CC16 from regular high-load exercise are more susceptible to respiratory infections. PMID: 24735334 A single therapeutic dose of terbutaline offers significant protection against hyperpnoea-induced bronchoconstriction and reduces urinary CC16 protein levels. PMID: 24030662 Lung permeability biomakers [surfactant protein D (SP-D) and Clara cell secretory protein (CC16) in plasma] and forced expiratory volumes and flow were measured in swimmers in indoor swimming pool waters treated with different disinfection methods. PMID: 23874631 Serum CC-16 is associated with disease progression in chronic obstructive pulmonary disease (COPD). However, the absence of CC-16 does not appear to modify the risk of cigarette-related COPD in mice. PMID: 24245748 Acute exposure to smoke induces injury at the alveolar level, which results in a transient increase of CC16 in serum of exposed subjects. PMID: 23258467 These results suggest that the CC16 A38G polymorphism may play a role in asymptomatic airway hyper-responsiveness and contribute to the development of late-onset asthma. PMID: 24125144 The SCGB1A1 +38A/G polymorphism is a risk factor for asthma. [Meta-analysis] PMID: 23820082 urinary CC16 may be a useful biomarker of increased lung epithelial permeability among female non-smokers; further work will be required to evaluate its applicability to males PMID: 22805990 Clara cell secretory protein expression changes is a relevant marker in the development of bronchiolitis obliterans patients with lung transplantation. PMID: 22883104 Overview of CC16 in pathophysiology of and as a biomarker in chronic obstructive pulmonary disease. PMID: 23030587 A Genome wide association study for COPD biomarkers on subjects with COPD found 2 discrete loci affecting CC16, one near the CC16 coding gene (SCGB1A1) on chromosome 11 and one approximately 25Mb away from SCGB1A1, identified in expressed sputum. PMID: 23144326 Donor CCSP A38G polymorphism is associated with decreased CCSP levels early after lung transplantation and poor long-term outcomes. PMID: 22902791 Exercise caused an increase in urinary excretion of CC16 in all subjects (P < 0.001), but this rise in CC16 was blunted following inhalation of warm humid air. PMID: 21799131 demonstration that cc-10 is differentially expressed in infants with iRDS may point the way towards one possible mechanism that potentially involves modifications of the protein structure with its anti-inflammatory and surfactant protective function PMID: 22613976 CC10 G+38A variant may contribute to the severity of asthma and lower level of steroid responsiveness. PMID: 22788242 These results indicate that CC10 gene transfer may inhibit airway inflammation through suppressing the activation of NF-kappaB. PMID: 22558282 Serum Clara cell secretory protein levels were characterized by an early postnatal surge. This apparent gestation-influenced surge may represent an initiation of a protective cascade against postnatal lung injury during extrauterine adaptation. PMID: 21952535 Single-nucleotide polymorphism in the CC10 gene (A38G) does not seem to be involved in the severity of respiratory syncytial virus infection or wheezing. PMID: 21767304 Urinary levels of CC16 are increased after eucapnic voluntary hyperpnea. PMID: 21131866 Elevated circulating CC16 levels identified severe thoracic injury combined with a strong correlation with the extent/volume of affected lung tissue. PMID: 21045740 CC16 38A/38A genotype plays a role in the development of early asthma in children with AR. PMID: 21255142 Elevated plasma clara cell secretory protein concentration is associated with high-grade primary graft dysfunction. PMID: 21299834 In the context of allergic airway responses, CC10 can inhibit OPN expression and suppress the Th2-promoting function of OPN, resulting in CC10's inhibitory biological effects. PMID: 20553297 Data suggest that a supernatant of non-small-cell lung cancer causes an imbalance in the immune response of PBMCs and DCs, which is reversed by CC-10. PMID: 20664959 Letter: serum CCSP cannot be used as a biomarker predictive for bronchiolitis obliterans after lung transplantation. PMID: 20683434 Reduced anti-inflammatory CC10 concentrations in airways of extremely premature infants with a fetal inflammatory response, not umbilical cord serum CC10, might make their lungs susceptible for further postnatal injuries. PMID: 19887851 Association of CC16 with daily outdoor particulate matter from combustion sources increases epithelial barrier permeability in lungs. PMID: 19852548 The effect of G38A may be apparent under stimulation as sex steroids or infections, and homozygotes of the G38A mutation cannot produce sufficient UG in response to stimulation and may be predisposed to IgA nephropathy, especially in childhood. PMID: 11774099

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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.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.