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Search Results (47)
  • Open Access

    ARTICLE

    YWHAH activates the HMGA1/PI3K/AKT/mTOR signaling pathway by positively regulating Fra-1 to affect the proliferation of gastric cancer cells

    JUNYU HE1,2,3, FENG ZENG1,2,3, XI JIN1,2,3, LIN LIANG1,2,3, MENGXIANG GAO1,2,3, WENTAO LI1,2,3, GUIYUAN LI1,2,3, YANHONG ZHOU1,2,3,*

    Oncology Research, Vol.31, No.4, pp. 615-630, 2023, DOI:10.32604/or.2023.029698

    Abstract Fos-related antigen 1 (Fra-1) is a nuclear transcription factor that regulates cell growth, differentiation, and apoptosis. It is involved in the proliferation, invasion, apoptosis and epithelial mesenchymal transformation of malignant tumor cells. Fra-1 is highly expressed in gastric cancer (GC), affects the cycle distribution and apoptosis of GC cells, and participates in GC occurrence and development. However, the detailed mechanism of Fra-1 in GC is unclear, such as the identification of Fra-1-interacting proteins and their role in GC pathogenesis. In this study, we identified tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein eta (YWHAH) as a Fra-1-interacting protein in GC cells using co-immunoprecipitation… More >

  • Open Access

    ARTICLE

    Semaphorin 7A promotes human vascular smooth muscle cell proliferation and migration through the β-catenin signaling pathway

    XIAOSU SONG, FEN GAO, HONG LI, WEIWEI QIN, CHANJUAN CHAI, GUOJUAN SHI, HUIYU YANG*

    BIOCELL, Vol.47, No.4, pp. 849-858, 2023, DOI:10.32604/biocell.2023.026545

    Abstract Background: Vascular smooth muscle cells (VSMCs) undergo a conversion from a contractile phenotype to a proliferative synthetic phenotype, contributing to the pathogenesis of cardiovascular diseases. Semaphorin 7A (SEMA7A) is a glycosylphosphatidylinositol-anchored membrane protein that plays an important role in vascular homeostasis by regulating endothelial cell behaviors. However, the expression and role of SEMA7A in VSMCs remain unclear.Methods: In this study, we screened for VSMC-regulating genes in publicly available datasets and analyzed the expression of SEMA7A in human coronary artery smooth muscle cells (hCASMCs) treated with platelet-derived growth factor-BB (PDGF-BB). The effects of SEMA7A overexpression and knockdown on hCASMC proliferation and… More >

  • Open Access

    ARTICLE

    Single-cell sequencing analysis reveals the molecular mechanism of promotion of SCAP proliferation upon AZD2858 treatment

    YIFAN XU1,#, DONGMEI CHENG1,#, LEI HU1, XIN DONG2, LIYING LV2, CHEN ZHANG2, JIAN ZHOU1,3,4,*

    BIOCELL, Vol.47, No.4, pp. 825-836, 2023, DOI:10.32604/biocell.2023.026122

    Abstract The Wnt/β-catenin signaling pathway is the main target of tooth regeneration regulation. Treatment of cells with AZD2858 stimulates the Wnt/β-catenin signaling pathway, yet the function of this pathway in tooth regeneration remains unclear. Here, we found that AZD2858 promotes the accumulation of β-catenin in the nuclei of stem cells from the apical papilla (SCAPs) and enhances cell proliferation. Single-cell sequencing was performed on SCAPs treated with AZD2858. Eight clusters were identified, namely SCAPs-CNTNAP2, SCAPs-DTL, SCAPs-MYH11, SCAPs-MKI67, SCAPs-CXCL8, SCAPs-TPM2, SCAPs-IFIT2 and SCAPs-NEK10. The pseudo-time trajectory analysis showed that AZD2858 enhanced the evolution of SCAPs from SCAPs-TMP2 clusters to SCAPs-MYH11, SCAPs-CNTNAPs and… More >

  • Open Access

    ARTICLE

    AKT regulates IL-1β-induced proliferation and activation of hepatic stellate cells

    YONGDAE YOON1,#, SOONJAE HWANG1,2,#, FATEMA TUJ SAIMA3,#, MOON YOUNG KIM1,3,4, SOON KOO BAIK1,3,4,*, YOUNG WOO EOM1,3,*

    BIOCELL, Vol.47, No.3, pp. 669-676, 2023, DOI:10.32604/biocell.2023.025365

    Abstract Background: Activated hepatic stellate cells (HSCs) are closely involved in the initiation, perpetuation, and resolution of liver fibrosis. Pro-inflammatory cytokine levels are positively correlated with the transition from liver injury to fibrogenesis and contribute to HSC pathophysiology in liver fibrosis. Methods: In this study, we investigated the effect of the pro-inflammatory cytokine interleukin (IL)-1β on the proliferation and signaling pathways involved in fibrogenesis in LX-2 cells, an HSC cell line, using western blotting and cell proliferation assays. Results: IL-1β increased the proliferation rate and α-smooth muscle actin (SMA) expression of LX-2 cells in a dose-dependent manner. Within 1 h after… More >

  • Open Access

    ARTICLE

    MiR-145-5p Suppresses Hepatocellular Carcinoma Progression by Targeting ABHD17C

    Linpei Wang1,#, Xiaoqiu Ma2,#, Youqi Chen1, Jiahui Zhang1, Jiawei Zhang1, Wei Wang1,*, Shaojian Chen3,*

    Oncologie, Vol.24, No.4, pp. 897-912, 2022, DOI:10.32604/oncologie.2022.025693

    Abstract Background: MicroRNA-145-5p (miR-145-5p) reportedly inhibits hepatocellular carcinoma (HCC) by targeting ARF6, SPATS2, CDCA3, KLF5, and NRAS, indicating that miR-145-5p plays an important role in the occurrence and development of HCC by regulating the expression of various genes. In this study, we aimed to explore novel downstream targets of miR-145-5p and elucidate the potential mechanism of miR-145-5p in HCC. Materials and Methods: A bioinformatics analysis was performed to determine the clinical significance of miR-145-5p and alpha/beta hydrolase domain-containing protein 17C (ABHD17C) in patients with HCC. The ability of Hep3B cells to proliferate, migrate, and invade was examined after overexpression of miR-145-5p… More >

  • Open Access

    ARTICLE

    Long noncoding RNA CCDC183-AS1 depletion represses breast cancer cell proliferation, colony formation, and motility by sponging microRNA-3918

    TAO LIU1, LIMIN ZHOU1, LIANBO ZHANG2, XIN GUAN3, YI DONG1,*

    Oncology Research, Vol.29, No.3, pp. 189-200, 2021, DOI:10.32604/or.2022.03573

    Abstract Many studies have illustrated the significance of long noncoding RNAs in oncogenesis and promotion of breast cancer (BC). However, the biological roles of CCDC183 antisense RNA 1 (CCDC183-AS1) in BC have rarely been characterized. Thus, we explored whether CCDC183-AS1 is involved in the malignancy of BC and elucidated the possible underlying mechanisms. Our data confirmed elevated CCDC183-AS1 expression in BC, which was associated with poor clinical outcomes. Functionally, knocking down CCDC183-AS1 hampered cell proliferation, colony formation, migration, and invasion in BC. Additionally, the absence of CCDC183-AS1 restrained tumor growth in vivo. Mechanistically, CCDC183-AS1 executed as a competitive endogenous RNA in… More >

  • Open Access

    ARTICLE

    Long noncoding RNA LINC01124 activates hepatocellular carcinoma cell proliferation, migration, and invasion by absorbing microRNA-1247-5p and overexpressing FOXO3

    LEI SUN1,2, YUE ZHANG3, YUQIN YAO4, HONGLIN DU3, YUEHUA ZHANG1, AIPING FANG1,2,*

    Oncology Research, Vol.29, No.3, pp. 175-187, 2021, DOI:10.32604/or.2022.03550

    Abstract Long intergenic non-protein coding RNA 1124 (LINC01124) has been identified as an important regulator of non-small-cell lung cancer. However, the expression and detailed role of LINC01124 in hepatocellular carcinoma (HCC) remain unestablished to date. Therefore, this study aimed to elucidate the role of LINC01124 in the aggressiveness of HCC cells and identify the underlying regulatory mechanism. Quantitative reverse transcriptase-polymerase chain reaction was performed to measure the expression of LINC01124 in HCC. Cell Counting Kit-8 assay, Transwell cell migration and invasion assays, and a xenograft tumor model were used to investigate the function of LINC01124 in HCC cells, and bioinformatics analysis,… More >

  • Open Access

    ARTICLE

    cGAS regulates the DNA damage response to maintain proliferative signaling in gastric cancer cells

    BIN LIU1,2,#, HAIPENG LIU3,#, FEIFEI REN1,2, HANGFAN LIU1, IHTISHAM BUKHARI1, YUMING FU4, WANQING WU4, MINGHAI ZHAO5, SHAOGONG ZHU6, HUI MO1, FAZHAN LI1,2, MICHAEL B. ZHENG7, YOUCAI TANG1,2, PENGYUAN ZHENG1,2,*, YANG MI1,2,*

    Oncology Research, Vol.29, No.2, pp. 87-103, 2021, DOI:10.32604/or.2022.03529

    Abstract The activation of some oncogenes promote cancer cell proliferation and growth, facilitate cancer progression and metastasis by induce DNA replication stress, even genome instability. Activation of the cyclic GMP-AMP synthase (cGAS) mediates classical DNA sensing, is involved in genome instability, and is linked to various tumor development or therapy. However, the function of cGAS in gastric cancer remains elusive. In this study, the TCGA database and retrospective immunohistochemical analyses revealed substantially high cGAS expression in gastric cancer tissues and cell lines. By employing cGAS high-expression gastric cancer cell lines, including AGS and MKN45, ectopic silencing of cGAS caused a significant… More >

  • Open Access

    ARTICLE

    miR-188-5p Suppresses Gastric Cancer Cell Proliferation and Invasion via Targeting ZFP91

    Yuping Peng, Xuning Shen, Honggang Jiang, Zhiheng Chen, Jiaming Wu, Yi Zhu, Yuan Zhou, Jin Li

    Oncology Research, Vol.27, No.1, pp. 65-71, 2019, DOI:10.3727/096504018X15191223015016

    Abstract MicroRNAs (miRNAs) have been demonstrated to be essential regulators in the development and progression of various cancers. The role of miR-188-5p in gastric cancer (GC) has not been determined. In this study, we found that the expression of miR-188-5p was downregulated in GC tissues compared with adjacent normal tissues. The lowly expressed miR-188-5p was significantly associated with lymph node metastasis and advanced TNM stage. Moreover, overexpression of miR-188-5p significantly inhibited GC cell proliferation, migration, and invasion but promoted cellular apoptosis. Mechanistically, we identified transcription factor ZFP91 as a target gene of miR-188-5p in GC. We found that miR-188-5p overexpression significantly… More >

  • Open Access

    ARTICLE

    lncRNA FEZF1-AS1 Is Associated With Prognosis in Lung Adenocarcinoma and Promotes Cell Proliferation, Migration, and Invasion

    Zhenjun Liu*, Pei Zhao*, Yuping Han, Song Lu*

    Oncology Research, Vol.27, No.1, pp. 39-45, 2019, DOI:10.3727/096504018X15199482824130

    Abstract Long noncoding RNAs (lncRNAs) have been reported to play important roles in tumorigenesis. In the present study, we demonstrated that lncRNA forebrain embryonic zinc finger protein 1 (FEZF1) antisense RNA1 (FEZF1-AS1) is markedly upregulated in human lung adenocarcinoma (LAD) tissues and cell lines and is associated with poor prognosis. Loss of function revealed that deletion of FEZF1-AS1 expression significantly inhibited the LAD cell proliferation, invasion, and migration. Further studies revealed that downregulation of FEZF1-AS1 reduced mRNA and protein expression of its sense-cognate gene FEZF1 in LAD cells, and vice versa. Correlation analysis indicated that there was a positive correlation between… More >

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