Recombinant Human Thymosin Beta-4 (TMSB4X), Active

Name: Recombinant Human Thymosin Beta-4 (TMSB4X), Active
Brand: Beta LifeScience
SKU: BLC-05677P
Availability: InStock

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Product Overview

Description	Recombinant Human Thymosin Beta-4 (TMSB4X), Active is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 97% 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 biological activity determined by its ability to produce a protective effect against hydrogen peroxide in primary lung fibroblasts is in a concentration range of 0.5 - 10 μg/ml.
Uniprotkb	P62328
Target Symbol	TMSB4X
Synonyms	Fx; Hematopoietic system regulatory peptide; Prothymosin beta 4; PTMB 4; PTMB4; Seraspenide; T beta 4; T beta-4; TB4X; THYB 4; Thyb4; Thymosin beta 4; Thymosin beta 4 X chromosome; Thymosin beta 4 X linked; TMSB 4; TMSB4; Tmsb4x; TYB4_HUMAN
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	Tag-Free
Complete Sequence	SDKPDMAEIE KFDKSKLKKT ETQEKNPLPS KETIEQEKQA GES
Expression Range	2-44aa
Protein Length	Full Length of Mature Protein
Mol. Weight	4.9 kDa
Research Area	Signal Transduction
Form	Lyophilized powder
Buffer	Lyophilized from a 0.2 µm filtered concentrated solution in 20 mM PB, 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	Plays an important role in the organization of the cytoskeleton. Binds to and sequesters actin monomers (G actin) and therefore inhibits actin polymerization.; Seraspenide inhibits the entry of hematopoietic pluripotent stem cells into the S-phase.
Subcellular Location	Cytoplasm, cytoskeleton.
Protein Families	Thymosin beta family
Database References	HGNC: 11881 OMIM: 300159 KEGG: hsa:7114 STRING: 9606.ENSP00000370007 UniGene: PMID: 29271227 we suggest that overexpression of Tbeta4 might play a role in the progression of gastric gastrointestinal stromal tumors PMID: 28756979 Tbeta4 exerts a protective effect on murine colitis, indicating that recombinant adeno-associated virus carrying thymosin beta4 could potentially be developed into a promising agent for the therapy of inflammatory bowel diseases. PMID: 28127198 Results showed that the TMSB4 pseudogene, lncRNA-MSR, was upregulated in the damaged cartilage and was activated in chondrocytes in response to mechanical stress. Furthermore, lncRNA-MSR regulated the expression of TMSB4 by competing with miRNA-152 in chondrocytes. PMID: 27469625 Tbeta4 gene silencing in A549 and H1299 cells inhibited cell proliferation, migration, and invasion in vitro and decreased tumor growth in vivo. Mechanistic investigations revealed a significant decrease in Notch1 activation in Tbeta4 gene-silenced cells. PMID: 27521796 Developed an innovative biotechnological method for thymosin beta4 production that employs the peptide acetylation in vivo. PMID: 27015974 Serum thymosin beta4 concentrations were correlated with the occurrence and severity of obstructive sleep apnea syndrome. PMID: 27086675 Overexpression of Tbeta4 enhanced cell proliferation and colony formation in oral squamous cell carcinoma. PMID: 26276576 Tbeta-4 was validated in clinical samples using a tissue microarray to predict overall survival in colon cancer patients PMID: 26556858 this study demonstrated, for the first time, that Tbeta4 was down-regulated in ROS-stimulated PDLCs as well as Tbeta4 activation exhibited anti-inflammatory effects and anti-osteoclastogenesis in vitro. PMID: 26789270 this study demonstrates, for the first time, that Tbeta4 is expressed in developing periodontal tissue and that its expression is associated with osteoblastic/cementoblastic differentiation. PMID: 26361868 This article reviews the potential role of thymosin beta 4 in liver fibrosis by describing the effects of exogenous and endogenous thymosin beta 4 , and discusses the possible signaling pathway regulated by TB4X. [review] PMID: 26006229 The results of the present study suggested that Tb4 may promote HB metastasis via the induction of EMT, and that Tb4 may therefore be a target for the development of novel treatments for patients with Hepatoblastoma . PMID: 25695679 these results suggest that NO could regulate the expression of Tbeta4 by direct or indirect effect of HIF-1alpha on Tbeta4 promoter. PMID: 25271630 the exchange of bound actin between Tbeta4 and profilin involves both steric and allosteric components. PMID: 25313062 Thymosin beta4 induces invasion and migration of human colorectal cancer cells through the ILK/AKT/beta-catenin signaling pathway. PMID: 25218472 Regarding HCC, Tbeta4 reactivity was detected in 7/23 cases (30%) and Tbeta10 reactivity in 22/23 (97%) cases analyzed, adding HCC to human cancers that express these beta-thymosins. PMID: 24704991 Thymosin beta-4 levels in the serum and synovial fluid of knee osteoarthritis patients are significantly correlated with disease severity. PMID: 23816466 Thymosin beta 4 silencing in glioblastoma cells inhibits cell migration and invasion. PMID: 24355709 cell trafficking of thymosin beta-4 PMID: 23967050 Tbeta4 expression was upregulated significantly in primary and recurrent colorectal cancers PMID: 24098025 Tbeta4 expression was also co-localized with CD133 expression in primary ovarian carcinomas. PMID: 23055022 Detection its amino acid conservation suggest an important role of Tb4 in the homeostasis of the mammalian oral cavity. PMID: 23262355 Thymosin beta4 could be associated with morphogenesis and tumor invasion in ameloblastoma and may play a role in the behavior of ameloblastoma. PMID: 23235961 Tbeta4 plays a key role in odontoblastic differentiation of human dental pulp cells. PMID: 23613983 Tbeta4 is an important myocardin-related transcription factor (MRTF) regulator that controls the G-actin-MRTF-A interaction.Tbeta4 competed with MRTF-A for G-actin binding, thus interfering with G-actin-MRTF-A complex formation. PMID: 23811404 REVIEW: role of Tbeta4 in thrombosis and platelet aggregation PMID: 22944663 Thymosin beta4 expression reveals intriguing similarities between fetal and cancer cells. PMID: 23045970 investigated whether GSK-3 activity is regulated by thymosin beta-4 (Tbeta4) and associated with Tbeta4-mediated migration in gastric cancer cells; expression of GSK-3alpha, beta-catenin and E-cadherin could be negatively regulated by Tbeta4 induced ERK phosphorylation; suggests that Tbeta4 could be a novel regulator to control Wnt signal pathway PMID: 22328534 The Our data confirm the concept that externally added Tbeta4 must be internalized to induce intracellular mechanisms supporting endothelial cell migration. PMID: 22652458 Thymosin beta4 Tbeta4 may play an important role in bone degradation and inflammation in RA but not OA. PMID: 22004227 kininogen-1 and thymosin-beta(4) are potential new biomarkers for human chronic hepatitis C. PMID: 21496200 Tbeta4 is regulated by IL-18 and is involved in IL-18-enhanced IFN-gamma secretion in NK cells. PMID: 21742406 Elevated expression of thymosin beta4 is associated with early-stage cervical cancers. PMID: 21213129 Thymosin beta4 may play a role in diabetic retinal neovascularization. PMID: 21332672 findings suggest that Tbeta4 by sequestering actin prevents binding of AKT, thus inhibiting its phosphorylation PMID: 21514425 The expression of thymosin beta4 is highly related with tumorigenesis of certain tumors including the osteosarcoma and colorectal cancers. PMID: 20975530 Describe beta-thymosins in bronchoalveolar lavage fluid and their possible involvement in the pathogenesis of scleroderma lung disease. PMID: 21314931 we have identified an extracellular signaling pathway where Tbeta4 increases cell surface ATP levels via ATP synthase and have shown further that ATP-responsive P2X4 receptor is required for Tbeta4-induced cell migration PMID: 21106936 overexpression of Tbeta4 is strongly associated with HIF-1alpha and HIF-2alpha expression and is also clinicopathologically involved with lymph node metastatic potential of breast cancer PMID: 21109953 The TB4 could be a hypoxia responsive regulator to control tumor cell migration in angiogenesis and tumor metastasis. PMID: 20821256 colorectal cancer stem cells from different patients have higher Tbeta4 levels than normal epithelial cells PMID: 20566622 Data in colon cancer tissue microarray showed that thymosin beta4 and HIF-1alpha co-localized in these biopsies. PMID: 20691219 Data show a strong expression of Tbeta(4) in gut and endocrine pancreas during development. PMID: 20161756 study demonstrated a clear relationship between reductions in serum thymosin beta4 level and severity of hepatitis B virus-related liver failure PMID: 20128033 Data show that thymosin beta4 was differentially expressed in HGF-treated HUVECs compared with control. PMID: 12163032 araC regulates the transcriptional level of thymosin beta4 and actin PMID: 12962156 in response to T beta 4 stimulation, AP-1 activity increases to enhance PAI-1 transcription through its unique AP-1-like element at -59 to -52 in the PAI-1 promoter. PMID: 14592829 upregulation of Tbeta-4, by promoting the disruption of cell-cell adhesion and consequential activation of the beta-catenin signaling, could be event in the acquisition of growth advantages as well as invasive phenotypes in human colorectal carcinomas PMID: 15235586 activated factor XIII incorporates thymosin beta(4) into the isolated gamma-module and alphaC-domain (fibrinogen A alpha); in fibrin the latter serves as the major incorporation site PMID: 15311936

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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.