IHC image of CSB-PA891943LA01HU diluted at 1:400 and staining in paraffin-embedded human lung cancer performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a biotinylated secondary antibody and visualized using an HRP conjugated SP system.
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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Constitutively active serine/threonine-protein kinase that exhibits growth-factor-independent kinase activity and that may participate in p53/TP53-dependent cell growth arrest signaling and play an inhibitory role during embryogenesis.
基因功能參考文獻:
RSK4 constitutes a putative tumor suppressor gene for non-small cell lung carcinoma. PMID: 30143490
The regulatory role of RSK4 in breast cancer development was mediated by AKT and extracellular signalregulated kinase (ERK) signaling pathways and the expression of RSK4 was altered by DNA methylation in promoter regions. PMID: 28731146
RSK4 is expressed at low levels in malignant ovarian tumors, which correlates with advanced stages of the disease. PMID: 26732474
downregulation of RSK4 expression is indicated to be associated with tumor cell proliferation and invasion, and silencing of the RSK4 may be involved in the development and progression of breast cancer PMID: 26397146
Low RSK4 expression is correlated with advanced clinical pathologic classifications and is a poor overall survival in colorectal cancer patients PMID: 25197367
RSK4 mRNA is significantly decreased in most of breast cancer tissues compared with paired non-cancerous tissues, due to promoter hypermethylation; frequent epigenetic inactivation might have a role in precancerous lesions or early cancer PMID: 24338215
evaluated expression of RSK4 in renal cell carcinoma(RCC)tissues, analysed relationship between RSK4 expression and clinicopathological features of RCC patients and explored potential molecular mechanisms of RSK4 in RCC cell lines; expression pattern and molecular mechanisms of RSK4 in RCCs indicate it could be a potential independent prognostic factor PMID: 23942078
Overexpression of RSK3 or RSK4 supports tumor cell proliferation upon PI3K inhibition both in vitro and in vivo therby contributing to drug resistance. PMID: 23635776
findings reveals a major role of PRKX, TTBK2 and RSK4 in triggering Sunitinib resistance formation; data suggest transcriptional regulation of these kinases together with other proteins might play an important role in formation of Sunitinib resistance by affecting transcription factors PMID: 22020623
Suggest that RSK4 may serve as a mediator of endothelial progenitor cell senescence in diabetes mellitus. PMID: 22297070
The expression level of RSK-4 mRNA in breast cancer was significantly lower than those in normal breast tissues and breast benign lesions tissues. The down-regulation of RSK-4 expression in breast caner suggests that it is a breast cancer suppressor gene. PMID: 21875487
Data indicate that RSK4 appears to be epigenetically silenced in endometrial cancer as evidenced by hypermethylation. PMID: 21372219
importance of RSK4 for regulating senescence and indicate that downregulation of this kinase could be an important element in facilitating cell transformation. PMID: 21239520
The unusual regulation and growth factor-independent activity of ribosomal S6 kinase 4 (RSK4) indicate that it is functionally distinct from other RSKs and may explain why RSK4 can participate in non-growth factor signaling. PMID: 15632195
Downregulation of RPS6KA6 is associated with colon carcinoma. PMID: 16865262
RT-PCR data show high expression of putative tumor suppressor genes Rsk4 and RbAp46 in 47% and 79% of breast carcinoma cases, respectively, whereas Cldn2 was down-regulated in 52% of breast cancer cases compared with normal adjacent tissues. PMID: 17314274
RSK4 expression may limit the oncogenic, invasive, and metastatic potential of breast cancer cells. PMID: 18628456
Results support the concept that RSK4 may be an important tumor suppressor gene by modulating senescence induction and contributing to cell proliferation control in colon carcinogenesis and renal cell carcinomas. PMID: 19584160