IndraLab
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"Western blot analysis confirmed that miR-874-3p mimics can obviously suppress the expression of WNT3A, β-catenin and ABC in hPDLF while WNT3A overexpression vector can restore the expression levels of WNT3A, β-catenin and ABC proteins by strikingly promote the expression of WNT3A, β-catenin and ABC in hPDLF (Fig. 4A)."
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"Various beta-catenin and TCF inhibitors, most of them belonging to low molecular-weight inhibitors, downregulate the expression of beta-catenin and TCF-responsive genes and disrupt the interaction of element binding protein (CBP) with beta-catenin [XREF_BIBR] or disrupt beta-catenin and TCF complexes directly [XREF_BIBR]."
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"Although miR-34a-5p and miR-200a-3p were not selected in the screening (fold change ratio = -0.265 and -0.093, respectively), we also evaluated their regulatory activity as they were among the first miRNAs described as beta-catenin regulators.16, 17 Nine out of 26 miRNA candidates significantly decreased beta-catenin protein expression in Huh6 cells, which carry the beta-catenin missense G34V mutation."
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"The mechanism involved 4 aspects : 1,25 (OH) 2D3 and VDR suppress transcriptional activity of beta-catenin and TCF, 1,25 (OH) 2D3 represses mRNA expression of the beta-catenin target gene of Gli1 but induces the beta-catenin target gene PADI1 in vitro, VDR ablation reduces beta-catenin target genes involved in hair differentiation in vivo, and 1,25 (OH) 2D3/VDR suppresses the transcriptional activity of beta-catenin and represses the mRNA expression of Gli1 [XREF_BIBR]."
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"More importantly, pharmacological activation of Wnt and beta-catenin signaling restored the shear stress suppressed beta-catenin expression in LCSCs, and abolished the shear stress altered sphere forming ability, chemotherapeutic drug sensitivity, cancer stem cell marker expression, Young 's modulus and in vivo tumorigenicity potential of LCSCs."
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"To verify whether miR-206 would inhibit HCC development by targeting MET and CTNNB1 gene expression, we transfected HCC1 and HCC2 cells with MET or CTNNB1 gene overexpressing plasmid to restore c-Met or beta-catenin protein expression, respectively, after miR-206 mimic transfection (Fig. 4A and B)."
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"Due to the key role that the β-catenin signalling pathway has in the maintenance of AML, specifically the LSCs, we investigated whether the cytotoxic effect of NUC-7738 was due to inhibition of the β-catenin pathway.NUC-7738 caused a dose-dependent reduction in the protein levels of β-catenin in OCI-AML3, HL-60 and U937 cells following 48 hours treatment."
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"Inhibition of beta-catenin degradation blocked chondrogenesis [XREF_BIBR] and expression of stabilized beta-catenin in chondrocytes led to severe chondrodysplasia and dramatic inhibition of chondrocyte differentiation [XREF_BIBR], suggesting that Wnt and beta-catenin signaling is under strict regulation during chondrocyte differentiation and excessive signaling activity caused chondrogenesis defects."
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"Pharmacological inhibition of GSK3 or beta-catenin knockdown with shRNAs decreased the levels of phosphorylated-beta-catenin, ankyrinG, and voltage gated sodium channels at the AIS, both " in vitro " and " in vivo ", therefore diminishing neuronal excitability as evaluated via sodium current amplitude and action potential number."
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"E2F1 is a potent and specific inhibitor of beta-catenin and T-cell factor (TCF)-dependent transcription, and E2F1 deregulation suppresses beta-catenin activity in an adenomatous polyposis coli (APC)/GSK3-independent manner, reducing the expression of key beta-catenin targets XREF_BIBR."
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"Results demonstrated beta-catenin knock-down not only inhibited beta-catenin expression under high-glucose conditions (P < 0.01) but also resulted in a further degree of MALAT1 down-regulation (P < 0.01), suggesting that nuclear translocated beta-catenin might be involved in the progression of MALAT1 expression."
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"Rg1 can reduce β-catenin expression and glycogen synthase kinase 3 beta (GSK3β) phosphorylation in the cytoplasm and can further reduce the protein expression of β-catenin in the nucleus via Ras-related C3 botulinum toxin substrate 1 (Rac1) and other factors; in addition, the binding of β-catenin to the transcription factor TCF-4 in the nucleus is reduced and ultimately inhibits c-Myc gene expression, which results in the reduction of β-galactosidase expression [40] (Figure 6)."
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"Β-catenin is a critical factor in the classical Wnt pathway, and studies have shown that Wnt5a antagonizes the Wnt/β-catenin pathway.20 Immunohistochemical staining revealed an increase in β-catenin expression after nerve loss, suggesting that denervation inhibits Wnt5a and promotes β-catenin expression (Figures 5G and 5H)."
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"Prevention of β-catenin degradation allows the cytoplasmic level of β-catenin to increase, causing increased translocation of β-catenin into the nucleus, which allows interaction with the TCF/LEF transcription factors leading to enhanced canonical Wnt target gene transcription [99]."
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"Mechanistically, Acp5 selectively bound and dephosphorylated β-catenin at serine (Ser) 33 and threonine (Thr) 41 in the cytoplasm, and then reduced the degradation of β-catenin, which enhanced the levels of β-catenin in the nucleus to promote fibroblast differentiation, proliferation and migration."
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"Mechanistic experiments show that Acp5 is upregulated by TGF-β1 in a TGFβR1/Smad3-dependent manner, after which Acp5 selectively dephosphorylates p-β-catenin at Ser33 and Thr41 in the cytoplasm, reducing the degradation of β-catenin, by which the levels of β-catenin in the nucleus are enhanced, promoting fibroblast differentiation, proliferation and migration."
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"In vitro, WIF1 suppresses beta-catenin expression in osteosarcoma cell lines and induces differentiation of primary human osteoblasts, and in primary human osteosarcoma samples, silencing of WIF1 is associated with increased proliferation, increased beta-catenin expression, and loss of differentiation, implying that de-repression of Wnt signaling plays a positive role in osteosarcoma pathogenesis."
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"By western blotting RGD treatment increased levels of active β-catenin, which was blocked by ILK inhibition, thus supporting a role for the regulation of active β-catenin levels via ILK in primary human MSCs (Fig. 2B).3.3
EGF-induced activation of beta-catenin may be unique to MSCs."
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"The present study extends those previous findings by showing that the activation of PKCalpha by a novel agonist, CGK062, promotes beta-catenin degradation in three cancer cell lines - PC3 (prostate cancer), SNU475 (hepatoma), and SW480 (colon cancer) -which display aberrant up-regulation of the intracellular beta-catenin level."
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"Therefore, in clinical practice, ELMO3 and P2RY12 related signaling pathways with higher drug sensitivity should be selected, and clinical efficacy will also be relatively improved.Combining Crocin and Sorafenib were highly effective in reducing hepaticβ-catenin overexpression and liver tumor and liver proliferation, withβ-catenin activation in tissue in up to 78% of hepatocellular carcinomas [57]."
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"We found that the treatment with RS-1 resulted in an increase in both the protein and mRNA expressions of β-catenin and C-myc in SGNs, while treatment with IWP-2 markedly reduced the expressions of β-catenin and C-myc in SGNs compared with the paclitaxel-only group (p < 0.05 or p < 0.01) (Figures 4(b) and 4(f))."
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"We found that the treatment with Wnt agonist RS-1 resulted in an increase in both the protein and mRNA expressions of β-catenin and C-myc in SGNs, while treatment with Wnt antagonist IWP-2 markedly reduced the expressions of β-catenin and C-myc in SGNs compared with the paclitaxel-only group."
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"To confirm the role of beta-catenin and Wnt signaling in mediating myoblast phenotype induced by inhibition of GSK-3beta activity, we treated the cells either with beta-catenin RNAi to inhibit beta-catenin expression, or with DKK-1 (Dickkopf related protein-1), an established antagonist of canonical Wnt signaling."
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"To evaluate the role of the canonical Wnt pathway in DC differentiation, we regulated the level beta-catenin in HPC using two GFP expressing vectors : beta-catenin shRNA to block the expression of beta-catenin (XREF_FIG); and a vector containing mutant beta catenin, which is resistant to ubiquitination and degradation and thus induces activation of the Wnt pathway."
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"Additionally, after CTNNB1 siRNA applied to reduce the beta-catenin expression, we found the EMT like morphology induced by heat treatment disappeared, and the differences in migration, EMT markers and transcription factors between heated and non heated SUM-1315 and ZR-75-1 cells also diminished."
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"The inhibition of TNKS sustained the life of axin and surged the extent of the devastation complex of β-catenin, which led decrease levels of β-catenin and increased the levels of phosphorylated β–catenin triggering inhibition of the Wnt/β-catenin driven proliferation of cancer cells ."
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"Increased nuclear β-catenin expression in the PRP-1-treated JJ012 cells as demonstrated in immunocytochemistry and upregulated β-catenin protein expression in ALDH cells as determined by western blotting suggest that PRP-1 may directly induce the nuclear translocation of β-catenin.PRP-1 decreased the cytoplasmic expression levels of β-catenin; however, opposing effects were observed following treatment with the nuclear translocation inhibitor CGP57380, indicating the nuclear translocation of β-catenin following PRP-1 treatment."
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"Moreover, the levels of androgen receptor (AR), dickkopf-1 (DKK-1), and beta-catenin in the HDPCs were assessed using PCR, indicating that NMN can significantly enhance the expression of VEGF, reduced IL-6 levels and suppress the expression of AR and DKK-1, and notably increase beta-catenin expression in DHT-induced HDPCs."
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"In early attempts to identify the function of APC, it was found that APC could directly interact with beta-catenin and decrease levels of cytoplasmic beta-catenin [XREF_BIBR - XREF_BIBR], whereas mutations of APC found in human colorectal cancer lead to accumulation of beta-catenin [XREF_BIBR, XREF_BIBR]."
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"To explore the possible role of beta-catenin, which normally is responsible for activation of LEF1 transcription, in palatogenesis, we treated normal palates undergoing EMT with sense and antisense (AS) beta-catenin oligonucleotide and found that AS beta-catenin significantly reduces beta-catenin protein levels compared with sense (XREF_FIG)."
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"It should be noted that the non-specific EP-induced increase in GFP observed in the epidermis is not observed in the gastrodermis.In summary, the β-catenin RNAi procedure efficiently reduces the level of β-catenin transcripts, up to twofold in both the epidermis (mainly apical) and the gastrodermis (apical and body column)."
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"Although the mechanisms of the anti-cancer activity of evodiamine have been well-studied, the precise mechanisms still remain unclear.It is known that the downregulation of WWOX leads to cytoplasmic β-catenin accumulation and the subsequent activation of the Wnt/β-catenin signaling pathway in HCC [4], while decreases in the activities of Akt and GSK-3β inhibit the expression of β-catenin."
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"Our findings have demonstrated that SALL4 triggers the Wnt and beta-catenin signaling pathway and shRNA induced SALL4 inhibition can decrease Wnt3a and beta-catenin expression at both mRNA and protein levels, suggesting targeting SALL4 may be a promising new strategy to block Wnt and beta-catenin signaling pathway and EMT to prevent tumor metastasis in ESCC."
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"It has been shown that curcumin and resveratrol inhibit breast cancer cell migration by inhibiting β-catenin nuclear translocation, attenuating the expression of β-catenin transcriptional targets including pro-EMT (epithelial-to-mesenchymal transition) factors, along with the increased formation of E-cadherin/β-catenin complex and suppressed expression of epithelial markers (Fu et al., 2014, Gu et al., 2020)."
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"Therefore, HDAC3 could be a key positive regulator of β-catenin stability in leukemic cells.There is evidence that non-steroidal anti-inflammatory drugs (NSAIDs), which inhibit the immunomodulatory enzymes cyclooxygenase-1/cyclooxygenase-2 (COX1/COX2), antagonize β-catenin expression and the stemness of leukemic cells [31,32,33,34]."