Recombinant human Signal transducer and activator of transcription 3

Code CSB-EP022812HU(A4)
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Product Details

Purity Greater than 90% as determined by SDS-PAGE.
Target Names STAT3
Uniprot No. P40763
Research Area Cancer
Alternative Names 1110034C02Rik; Acute Phase Response Factor; Acute-phase response factor; ADMIO; APRF; AW109958; DNA binding protein APRF; FLJ20882; HIES; MGC16063; Signal transducer and activator of transcription 3 (acute phase response factor); Signal transducer and activator of transcription 3; STAT 3; Stat3; STAT3_HUMAN
Species Homo sapiens (Human)
Source E.coli
Expression Region 1-770aa
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight 92.1 kDa
Protein Length Full Length
Tag Info N-terminal 6xHis-tagged
Form Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA Please contact us to get it.

Target Data

Function Signal transducer and transcription activator that mediates cellular responses to interleukins, KITLG/SCF, LEP and other growth factors
Gene References into Functions
  1. I157172 induced upregulation of SIRT1, and downregulation of acetyl-STAT3. PMID: 30365149
  2. an HBV-pSTAT3-SALL4-miR-200c axis regulates PD-L1 causing T cell exhaustion PMID: 29593314
  3. reveal that breast cancer stem cell (BCSC) in triple-negative breast cancer depend on the transcription regulator HN1L for the sustained activation of the LEPR-STAT3 pathway, which makes it a potentially important target for both prognosis and BCSC therapy. PMID: 29249663
  4. findings illustrate the significance of CREB-KDM4B-STAT3 signaling cascade in DNA damage response, and highlight that KDM4B may potentially be a novel oncotarget for colorectal cancer radiotherapy. PMID: 29633065
  5. TNFRSF1A is a STAT3 target gene that regulates the NF-kappaB pathway. PMID: 29621649
  6. Downregulation of miR-340 inhibited GC cell proliferation, arrested cell cycle, and facilitated apoptosis through upregulating SOCS3 expression to suppress JAK-STAT3 signaling pathway. PMID: 29658372
  7. we wanted to explore whether STAT3 can be related to lymph node micrometastasis of non-small cell lung cancer (NSCLC). To address this question, we evaluated the expression of MUC1 mRNA in the lymph node samples of NSCLC to determine micrometastasis. Then, we evaluated what role STAT3 overexpression plays in lymph node micrometastasis of NSCLC. PMID: 29575778
  8. Our results showed that IL-37 plays an inhibitory role in non-small cell lung cancer progression, possibly by suppressing STAT3 activation and decreasing epithelial-to-mesenchymal transition by inhibiting IL-6 expression. IL-37 could serve as a potential novel tumor suppressor in non-small cell lung cancer PMID: 29575809
  9. Study shows that vascular endothelial growth factor A stimulates STAT3 activity via nitrosylation of myocardin to regulate the expression of vascular smooth muscle cell differentiation markers. PMID: 28572685
  10. The investigation demonstrated that the serum levels of FGF23 and the phosphorylation levels of JAK2, STAT1, and STAT3 were up-regulated in the ovariectomy (OVX) + NVP-BGJ398 group while were down-regulated in the OVX + Anti-FGF23 group than that in the OVX group. PMID: 28782829
  11. Genetic or pharmacologic inactivation of SHP2 promotes accumulation of JAK2 phosphorylated at Y570, reduces JAK2/STAT3 signaling, inhibits TGFbeta-induced fibroblast activation and ameliorates dermal and pulmonary fibrosis. PMID: 30108215
  12. Mir-204 attenuates angiogenesis in lung adenocarcinoma via JAK2-STAT3 pathway. PMID: 29281186
  13. Study utilizing integrative analysis of transcriptomic, metabolomic, and clinical data propose a model of GOT2 transcriptional regulation, in which the cooperative phosphorylation of STAT3 and direct joint binding of STAT3 and p65/NF-kappaB to the proximal GOT2 promoter are important. PMID: 29666362
  14. FEZF1-AS1 acts as an oncogenic lncRNA in human hepatocellular carcinoma by promoting JAK2/STAT3 signaling-mediated epithelial mesenchymal transformation. PMID: 29957463
  15. FABP5 promotes tumor angiogenesis via activation of the IL6/STAT3/VEGFA signaling pathway in hepatocellular carcinoma. PMID: 29957468
  16. The result of our study for the first time provides evidence that rs1053004 polymorphism is significantly associated with a decreased risk of Cardiopulmonary bypass-associated acute kidney injury in Iranian population, especially in older subjects. PMID: 29846833
  17. Simultaneous inactivation of EAF2 and p53 can act to activate STAT3 and drive prostate tumorigenesis. PMID: 29518696
  18. a transcription-independent mechanism for Stat3-mediated centrosome clustering that involves Stathmin, a Stat3 interactor involved in microtubule depolymerization, and the mitotic kinase PLK1, is reported. PMID: 28474672
  19. This review discusses the upstream activators of STAT3 in skeletal muscles, with a focus on interleukin 6 (IL6) and transforming growth factor beta 1 (TGF-beta1). PMID: 30072615
  20. High STAT3 expression is associated with lung adenocarcinoma. PMID: 30015929
  21. JAK2 and STAT3 are activated in Idiopathic pulmonary fibrosis PMID: 29409529
  22. The results reveal that the EGF-STAT3 signaling pathway promotes and maintains colorectal cancer (CRC)stemness. In addition, a crosstalk between STAT3 and Wnt activates the Wnt/beta-catenin signaling pathway, which is also responsible for cancer stemness. Thus, STAT3 is a putative therapeutic target for CRC treatment. PMID: 30068339
  23. MiR-29a down-regulation is correlated with drug resistance of nasopharyngeal carcinoma cell line CNE-1 and MiR-29a up-regulation decreases Taxol resistance of nasopharyngeal carcinoma CNE-1 cells possibly via inhibiting STAT3 and Bcl-2 expression. PMID: 29914005
  24. Kidney biopsies from patients with IgA nephropathy and diabetic nephropathy exhibited substantial activation of p53 and STAT3, decreased expression of SOCS7, and increase in profibrotic proteins and miR-199a-3p. PMID: 28240316
  25. Low-dose radiation decreases tumor progression via the inhibition of the JAK1/STAT3 signaling axis in breast cancer cell lines and in a mouse xenograft model. PMID: 28240233
  26. High STAT3 expression is associated with cell growth, aggressiveness, metastasis in gastric cancer. PMID: 30015981
  27. High expression of iNOS and STAT3 in cells transfected with miR-34a mimic further validated it. PMID: 30021364
  28. Findings outlined in the current study demonstrated that the inhibition of P16 decreased the growth and metastasis potential of BC cells by inhibiting IL-6/JAK2/STAT3 signaling. PMID: 29388151
  29. G6PD contributes to HCC migration and invasion of hepatocellular carcinoma cells by inducing epithelial-mesenchymal transition through activation of signal transducer and activator of transcription 3 PMID: 29471502
  30. CXCR7 silencing inhibits the migration and invasion of human tumor endothelial cells derived from hepatocellular carcinoma by suppressing STAT3. PMID: 29901083
  31. These data show that activated p-STAT3 upregulates epithelial-to-mesenchymal transition-related proteins and promotes vasculogenic mimicry. PMID: 29333928
  32. High STAT3 expression is associated with drug resistance in Chronic myeloid leukemia. PMID: 29936783
  33. Case Report: breast implant-associated anaplastic large cell lymphoma with dual JAK1/STAT3 mutations. PMID: 29637270
  34. Data indicate that signal transducer and activator of transcription 3 (STAT3) has emerged as a promising target in cancer immunotherapy [Review]. PMID: 29222039
  35. Downregulation of the lincRNA of the NED25 gene was associated with sepsis in patients by modulating the signaling pathways downstream of miR-125b/STAT3/PCT/NO signaling pathway. PMID: 29962507
  36. High STAT3 expression is associated with invasion and lymph node metastasis in gastric cancer. PMID: 29970682
  37. The present study demonstrated that the downregulation of filaggrin in the epidermis by toluene is mediated by ERK1/2 and STAT3-dependent pathways. PMID: 27498358
  38. these results indicated that STAT3-mediated downexpression of miR-579-3p caused resistance to vemurafenib. Our findings suggest novel approaches to overcome resistance to vemurafenib by combining vemurafenib with STAT3 sliencing or miR-579-3p overexpression. PMID: 30010109
  39. Our study identified the STAT3 rs1053004 C/C as a high-risk genotype in MA (MISSED ABORTION) with lower survivin and VEGF transcription levels in the peripheral blood PMID: 30226700
  40. The role of mitochondrial Stat3 as regulator for lymphocyte function is reviewed. PMID: 29866996
  41. addition of colivelin, a STAT3 activator, instead of IL-6 and C2C12 conditioned medium, promoted the myogenic differentiation of adipose tissue-derived stem cells. PMID: 29882916
  42. These results suggested that stemness induction in SKOV3 cells by macrophages co-cultured with SKOV3-derived OCSLCs involved IL-8/STAT3 signaling. PMID: 29656182
  43. Parthenolide also induced reactive oxygen species (ROS), but the increased ROS did not seem to contribute to the inhibition of JAK/STAT3 signaling. PMID: 29921758
  44. The phosphor STAT3 expression was associated with adverse survival in squamous cell carcinoma, but not in the oesophageal adenocarcinoma patients. PMID: 29890775
  45. In Ishikawa human endometrial adenocarcinoma cell line MIG-6 negatively regulates the phosphorylation of STAT3 via direct protein interaction with STAT3. PMID: 28925396
  46. IL-23 binding to its receptor promotes the migration and invasion of gastric cancer cells by inducing epithelial-to-mesenchymal transition through the STAT3 signaling pathway. PMID: 29574157
  47. Oct4 plays a vital role in the malignant progression of HCC cells through the survivin/STAT3 signaling pathway. PMID: 29901157
  48. our data demonstrate that hypoxia strongly potentiates the peroxide-mediated induction of hepcidin via STAT3 signaling pathway. Moreover, oxidases such as NOX4 or artificially overexpressed urate oxidase (UOX) can induce hepcidin PMID: 29459227
  49. a novel signal circuit of Stat3/Oct-4/c-Myc was identified for regulating stemness-mediated Doxorubicin resistance in triple-negative breast cancer PMID: 29750424
  50. Data show that knockdown of STAT transcription factors STAT3 and/or STAT5 reduces DNA methylcytosine dioxygenase Ten-eleven translocation 1 (TET1) level. PMID: 29235481
  51. Our results from experiments suggest that the effects of IL-17 mediate activation of STAT3 signaling in breast cancer cells. Taken together, our study shows that myeloid-derived suppressor cells can be a new type of prognostic marker in breast cancer patients. Targeting IL-17/Stat3 signaling may be a promising strategy for BC treatment. PMID: 29655056
  52. Among these genes, STAT3 and CDK2 were significantly associated with recurrence. Further study suggested that inhibition of CDK2 reduced invasion of Pca cell lines. The invasion ability was rescued after reintroduction of CDK2. PMID: 29323532
  53. IL-33 may down-regulate CLDN1 expression through the ERK/STAT3 pathway in keratinocytes. PMID: 29534857
  54. High phosphorylated STAT3 expression is associated with pancreatic ductal adenocarcinoma. PMID: 30046904
  55. In this review, the roles of STAT3 in the pathogenesis, diagnosis, treatment and prognosis of leukemia are discussed in the aspects of cell proliferation, differentiation and apoptosis, with the aim to further clarify the roles of STAT3 in leukemia, and shed light into possible novel targets and strategies for clinical diagnosis and treatment. PMID: 29749432
  56. PCNA functions as an oncogene in the progression of NSCLC through up-regulation of STAT3. PMID: 29803172
  57. Secretome analysis revealed that Oct4 upregulated interleukin 24 (IL24) expression through STAT3 and NFkappaB signaling, and siRNA against IL24 increased IRinduced senescence, whereas recombinant human IL24 suppressed it. The results of the present study indicated that Oct4 confers IR resistance on breast cancer cells by suppressing IRinduced premature senescence through STAT3- and NFkappaB-mediated IL24 production. PMID: 29749438
  58. STAT3 signaling is hyperactivated in systemic sclerosis in a TGFbeta-dependent manner PMID: 29066712
  59. Structural characterization of STAT3 for the purpose of development of anticancer therapies has been reported. (Review) PMID: 29843450
  60. High stat3 expression is associated with Prostate Cancer. PMID: 29641255
  61. STAT3 activation via Tyr705 phosphorylation plays role in he tumor-associated macrophage polarization. PMID: 29507229
  62. In summary, CAPE attenuates Nasopharyngeal carcinoma (NPC)cell proliferation and invasion by upregulating NDRG1 expression via MAPK pathway and by inhibiting phosphorylation of STAT3. Considering the poor prognosis of NPC patients with metastasis, CAPE could be a promising agent against NPC. PMID: 29738439
  63. PBX1 plays an oncogenic role in clear cell renal carcinoma via JAK2/STAT3 pathway PMID: 29678569
  64. the activation of STAT3, a major tumourigenic IL-6 effector, was examined in adipose-derived stem cells conditioned medium treated endometrial cancer cells. PMID: 29684351
  65. ERRalpha suppression inhibited signal transducer and activator of transcription (STAT3) protein expression. PMID: 29476880
  66. in oral tumor cells, overexpression of cyclin D1 occurs through the activation of STAT3 and the deregulation of degradation pathway of cyclin D1 which may favors maintaining its accumulated level in cells. It also demonstrated that cyclin D1 expression can be controlled by targeting the STAT3 with its siRNA. PMID: 29516928
  67. Elucidating the effects of disease-causing mutations on STAT3 function, phosphorylation and dimerization in autosomal-dominant hyper-IgE syndrome. PMID: 27315770
  68. total serum IgE concentration is an inexpensive and robust tool for determining which patients with multiple early-onset autoimmunity are likely to have a STAT3 GoF mutation PMID: 27608644
  69. The results indicated that when STAT3 signaling activity was attenuated by Stattic or enhanced with a STAT3 plasmid, the EZH2/miR-200 axis was markedly altered, thus resulting in modulation of the invasion and migration of OSCC cell lines. PMID: 29532870
  70. Distinct mutations at the same positions of STAT3 cause either loss or gain of function. PMID: 27345172
  71. we demonstrated a mechanistic cascade of TMPRSS4 up-regulating STAT3 activation and subsequent TWIST1 expression, leading to prostate cancer migration. PMID: 28466252
  72. High STAT3 expression is associated with doxorubicin-resistance in breast cancer. PMID: 29181822
  73. Study shows that STAT3 mRNA expression is upregulated in retinoblastoma (RB) tissues and negatively correlates with miR29a expression, and suggests that STAT3 is a potential target of miR29a. PMID: 29251322
  74. tyrphostin B42 induced the apoptosis of pancreatic cancer cells (PCCs) by regulating the expression of mitochondrialrelated genes. Therefore, these findings demonstrated that tyrphostin B42 attenuated trichostatin A resistance in PCCs by antagonizing the IL6/JAK2/STAT3 signaling PMID: 29393444
  75. these results provide evidence that crocin has the potential for anticancer activity through inhibition of the IL-6/STAT3 signaling pathway, especially in liver cancer. PMID: 29393468
  76. Suspension survival mediated by PP2A-STAT3-Col XVII determines tumor initiation and metastasis in cancer stem cells. PMID: 27306323
  77. we demonstrated that the STAT3 pathway was involved in miR-204/14-3-3zeta regulation of OS cell proliferation PMID: 29441884
  78. Positive cooperativity of Smad3 and STAT3 during epithelial-mesenchymal transition [Review]. PMID: 29140406
  79. a significant role for PRMT1 in HCC progression and metastasis in vitro and in vivo via STAT3 signalling pathway activation. PRMT1 may be a potential novel prognostic biomarker and new therapeutic target for hepatocellular carcinoma. PMID: 29945155
  80. gastric cancer cells may directly sustain and amplify the local pro-inflammatory response upon encountering activated macrophages and LPS via NF-kappaB and STAT3 signalling pathways, thereby promoting tumour progression. PMID: 29929193
  81. RNASE4, STAT3, and miRNA-124 may have a regulatory association with the pathological mechanisms in Huntington's disease. PMID: 29328442
  82. Overexpression of ALK4 suppressed glioma cell proliferation, migration and invasion through the inactivation of JAK/STAT3 signaling pathway. PMID: 29278854
  83. STAT3 augments epithelial-to-mesenchymal transition and cell migration in hepatocellular carcinoma. PMID: 29268242
  84. Icaritin enhances MSC proliferation, chemotaxis to stromal cell-derived factor-1 and osteogenic differentiation through STAT-3 activation, with a consequential up-regulation in the expression and activity of CXCR4. Icaritin enhances STAT-3 phosphorylation and subsequent binding to the CXR4 promoter, regulating its expression. STAT-3 inactivation abrogates the icaritin effects. PMID: 29679717
  85. Melatonin reinforces the anticancer activity of sorafenib by downregulation of PDGFR-beta/STAT3 signaling pathway and melatonin receptor (MT)-mediated STAT3. PMID: 29953970
  86. This study demonstrates that VB inhibits glioblastoma cell proliferation, migration, and invasion while promoting apoptosis via SHP-1 activation and inhibition of STAT3 phosphorylation. PMID: 29961065
  87. MicroRNA-454 inhibits non-small cell lung cancer cells growth and metastasis via targeting expression of STAT3. PMID: 29286124
  88. our data indicate that phosphorylated -STAT3 is associated with an improved outcome in estrogen receptor-positive breast cancer. PMID: 29207087
  89. constitutively acetylated STAT3 localizes to mitochondria, where it maintains the mitochondrial membrane potential and ATP synthesis in an active state PMID: 28004755
  90. High STAT3 expression is associated with metastasis of pancreatic ductal adenocarcinoma. PMID: 28677798
  91. Apoptosis in rheumatoid arthritis fibroblast-like synoviocytes is induced by targeting the expression of STAT3. PMID: 28987940
  92. icaritin reverses multidrug resistance in doxorubicin-resistant human osteosarcoma cells by blocking phosphorylation of signal transducer and activator of transcription 3 (STAT3). PMID: 29425587
  93. Elevated S1PR1 expression and STAT3 activation are also observed in human NB cells with acquired resistance to etoposide. We show in vitro and in human NB xenograft models that treatment with FTY720, an FDA-approved drug and antagonist of S1PR1, dramatically sensitizes drug-resistant cells to etoposide. PMID: 28716816
  94. Low STAT3 expression is associated with gastric cancer. PMID: 28656307
  95. Wdrug resistance through blocking p-STAT3/p65 and Bcl-2 activation. PMID: 29169726
  96. Increased STAT3 expression and phosphorylation is associated with HPV positive cervical disease. PMID: 29630659
  97. Results show that STAT3 deacetylation is under the regulation of HDAC7 which interacts directly with STAT3. PMID: 29126425
  98. IL6 family cytokine oncostatin-M (OSM) induced a switch to the EMT phenotype and protected cells from targeted drug-induced apoptosis in OSM receptors (OSMRs)/JAK1/STAT3-dependent manner PMID: 28729401
  99. High STAT3 expression is associated with glioma. PMID: 28534933
  100. The expression of p-Ser-STAT3 can be a potential prognostic marker for cancer recurrence and survival in upper tract urothelial carcinoma , especially in advanced stage cases. PMID: 29200949

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Involvement in disease Hyperimmunoglobulin E recurrent infection syndrome, autosomal dominant (AD-HIES); Autoimmune disease, multisystem, infantile-onset, 1 (ADMIO1)
Subcellular Location Cytoplasm, Nucleus
Protein Families Transcription factor STAT family
Tissue Specificity Heart, brain, placenta, lung, liver, skeletal muscle, kidney and pancreas.
Database Links

HGNC: 11364

OMIM: 102582

KEGG: hsa:6774

STRING: 9606.ENSP00000264657

UniGene: Hs.463059

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