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Search Results (21)
  • Open Access

    ARTICLE

    Absent in melanoma 2 attenuates proliferation and migration and promotes apoptosis of human colorectal cancer cells by activating P38MAPK signaling pathway

    ZHI ZHANG1,#, XIAOSONG LI1,2,#, YING ZHANG1,2,#, HAO ZHU1,2, ZHENGUO QIAO3, YANG LU4, XIUWEI MI4, HUIHUA CAO5, GENHAI SHEN1,*, SONGBING HE4,*

    Oncology Research, Vol.32, No.2, pp. 353-360, 2024, DOI:10.32604/or.2023.042986

    Abstract Colorectal cancer (CRC) stands among the top prevalent cancers worldwide and holds a prominent position as a major contributor to cancer-related mortality globally. Absent in melanoma 2 (AIM2), a constituent of the interferon-inducible hematopoietic interferon-inducible nuclear antigens with 200 amino acid repeats protein family, contributes to both cancer progression and inflammasome activation. Despite this understanding, the precise biological functions and molecular mechanisms governed by AIM2 in CRC remain elusive. Consequently, this study endeavors to assess AIM2’s expression levels, explore its potential antitumor effects, elucidate associated cancer-related processes, and decipher the underlying signaling pathways in CRC. Our findings showed a reduced… More > Graphic Abstract

    Absent in melanoma 2 attenuates proliferation and migration and promotes apoptosis of human colorectal cancer cells by activating P38MAPK signaling pathway

  • Open Access

    Ring finger protein 157 is a prognostic biomarker and is associated with immune infiltrates in human breast cancer

    XIN ZHU1,2,#, BIN XIAO3,#,*, WENWU ZHANG3,4, XIAOYU SONG3, WEI GONG5, LINHAI LI3,*, XINPING CHEN1,2,*

    BIOCELL, Vol.47, No.10, pp. 2265-2281, 2023, DOI:10.32604/biocell.2023.029195

    Abstract Background: The protein encoded by ring finger protein 157 (RNF157) is known to function as an E3 ubiquitin ligase. However, whether the level of RNF157 expression in breast cancer correlates with prognosis and immune cell infiltration among breast cancer patients remains to be further explored. Methods: In this study, publicly available datasets were used for evaluating RNF157 expression in different tumors compared with normal samples. Several independent datasets were screened for investigating the relationship between RNF157 and breast cancer survival, different mutation profiles, and tumor immune cell infiltration. We conducted a pathway enrichment analysis to identify signaling pathways associated with… More >

  • Open Access

    ARTICLE

    The therapeutic mechanism of dexamethasone in lung injury induced by hydrogen sulfide

    CHUNYANG XU1,#, CAIYUN YANG1,#, JINSONG ZHANG2, XIAOHUA PAN3, JUN WANG4, LEI JIANG2, HONGWEI YE1,*, BO CHEN1,*

    BIOCELL, Vol.47, No.9, pp. 2027-2035, 2023, DOI:10.32604/biocell.2023.029277

    Abstract Background: The lung is one of the primary target organs of hydrogen sulfide (H2S), as exposure to H2S can cause acute lung injury (ALI) and pulmonary edema. Dexamethasone (Dex) exerts a protective effect on ALI caused by exposure to toxic gases and is commonly used in the clinic; however, the underlying mechanisms remain elusive, and the dose is unclear. Methods: In vivo experiments: divided C57BL6 mice into 6 groups at random, 12 in each group. The mice were exposed to H2S for 3 h and 5 or 50 mg/kg Dex pretreated before exposure, sacrificed 12 h later. The morphological changes… More >

  • Open Access

    ARTICLE

    Light-controlled phosphorylation in the TrkA-Y785 site by photosensitive UAAs activates the MAPK/ERK signaling pathway

    SHU ZHAO1,*, SHIXIN YE2

    BIOCELL, Vol.47, No.6, pp. 1377-1388, 2023, DOI:10.32604/biocell.2023.023874

    Abstract Background: This paper aims to establish a light-controlled phosphorylation detection method at the Y785 site of tropomyosin receptor kinase A (TrkA) receptor in mammalian cells by using genetic code expansion technology and detecting the effects of optical activation of this site on the downstream MAPK/ERK pathway. The study is based on the current situation that the regulatory mechanism of TrkA phosphorylation has not been fully elucidated. Methods: Two photosensitive unnatural amino acids, p-azido-L-phenylalanine (AzF) and photo-caged tyrosine (ONB) were introduced into the TrkA-Y785 site by genetic code expansion technology and site-directed mutagenesis. Western blotting and laser confocal imaging were conducted… More >

  • Open Access

    ARTICLE

    Transcriptome Analysis of Auxin Drives Cone Size Regulation in Fokienia hodginsii

    Shunde Su1,2,#, Huan Chang3,#, Xiangyang Kang1,*, Renhua Zheng2,*

    Phyton-International Journal of Experimental Botany, Vol.92, No.6, pp. 1713-1723, 2023, DOI:10.32604/phyton.2023.027586

    Abstract As the reproductive organ of the endangered species Fokienia hodginsii, the size of the cones is a constraint on the reproductive renewal of the population. In this study, the molecular basis of the influence of cone size on F. hodginsii was elucidated by comparing the phenotype, biochemistry, and transcriptome of two cultivars of F. hodginsii (‘FJ431’ and ‘FJ415’). The two cultivars differed significantly in cone size, with FJ431 having a significantly larger cone size and weight than FJ415, 1.32 and 1.90 times that of FJ415, respectively. RNA-Seq analysis of both cultivars retrieved 75,940 genes whose approximate functions were classified as… More >

  • Open Access

    ARTICLE

    Network pharmacology and molecular docking identify mechanisms of medicinal plant-derived 1,2,3,4,6-penta-O-galloyl-beta-D-glucose treating gastric cancer

    MAN REN1,2,3,#, YUAN YANG1,2,#, DAN LI4, NANNAN ZHAO5, YUPING WANG2,6,*, YONGNING ZHOU2,6,*

    BIOCELL, Vol.47, No.5, pp. 977-989, 2023, DOI:10.32604/biocell.2023.028402

    Abstract Background: 1,2,3,4,6-penta-O-galloyl-beta-D-glucose (PGG) is a natural polyphenolic compound derived from multiple medicinal plants with favorable anticancer activity. Methods: In this study, the mechanisms of PGG against gastric cancer were explored through network pharmacology and molecular docking. First, the targets of PGG were searched in the Herbal Ingredients’ Targets (HIT), Similarity Ensemble Approach (SEA), and Super-PRED databases. The potential targets related to gastric cancer were predicted from the Human Gene Database (GeneCards) and DisGeNET databases. The intersecting targets of PGG and gastric cancer were obtained by Venn diagram and then subjected to protein-protein interaction analysis to screen hub targets. Functional and… More >

  • Open Access

    REVIEW

    Research progress of protein phosphatase 2A in cellular autophagy

    HONGMEI WU#, DI LI#, YUANYUAN HUANG, RUYUAN LIU, XIAONIAN ZHU*

    BIOCELL, Vol.47, No.3, pp. 485-491, 2023, DOI:10.32604/biocell.2023.026049

    Abstract Autophagy is an important metabolic process. It facilitates the recycling of intracellular substances by removing, degrading, and recycling damaged organelles, proteins, and lipids in lysosomal vacuoles and plays an important role in maintaining cellular homeostasis. Protein phosphatase 2A (PP2A) is a key serine/threonine phosphatase and one of the main cell cycle regulatory enzymes. As PP2A activity is essential for the cell, dysfunction or dysregulation of PP2A can affect various physiological processes, including autophagy. Here, we review the autophagy-related factors that target PP2A in different diseases, such as breast cancer, colorectal cancer, liver cancer, and Alzheimer’s disease, to maintain cell homeostasis… More >

  • Open Access

    ARTICLE

    Schisandrin B exerts anticancer effects on human gastric cancer cells through ROS-mediated MAPK, STAT3, and NF-κB pathways

    TIANZHU LI1,#, YU ZHANG2,#, TONG ZHANG2,#, YANNAN LI2, HUI XUE2, JINGLONG CAO2, WENSHUANG HOU2, YINGHUA LUO3,*, CHENGHAO JIN2,4,*,

    BIOCELL, Vol.47, No.1, pp. 195-204, 2023, DOI:10.32604/biocell.2023.025593

    Abstract Schisandrin B (Sch B) is a monomer with anti-cancer and anti-inflammatory effects, which are isolated from the plant Schisandra chinensis (Turcz) Baillon. We investigated the anti-gastric cancer (GC) effects of Sch B and its underlying molecular mechanisms. The Cell Counting Kit-8 assay was used to determine the effects of Sch B on the viability of GC and normal cell lines. Hoechst/propidium iodide staining and flow cytometry were used to assess the apoptosis induction of Sch B. Western blotting was used to evaluate the effects of Sch B on downstream apoptotic proteins. The DCFH-DA fluorescent probe was used to assess the… More >

  • Open Access

    ARTICLE

    Characterization and Pathogenicity of Pseudopestalotiopsis vietnamensis Causing Gray Blight of Wuyi Rock Tea (Camellia sinensis) in China and Specific Mechanisms of Disease Infection

    Guangheng Wu1,#,*, Lu Rui2,3,#, Xiang Lu4, Libo Han2, Gan Lv1, Xianyu Fu5, Jinxian Liu5, Nong Zhou3, Chuanhai Zhang1

    Phyton-International Journal of Experimental Botany, Vol.92, No.1, pp. 131-147, 2023, DOI:10.32604/phyton.2022.021919

    Abstract Gray blight disease (GBD) causes significant losses in tea production in China. Although genes and biological processes involved in resistance to fungal disease in tea plants have been identified, specific mechanisms of the GBD infection process remain unknown. In this study, morphological and multi-gene (TEF-TUB-ITS) phylogenetic characteristics were used to identify isolate CLBB1 of Pseudopestalotiopsis vietnamensis. Pathogenicity tests confirmed that isolate CLBB1 from tea leaves caused GBD in the susceptible tea cultivar Wuyi Rock (Camellia sinensis var. sinensis cv. Shuixian). Spores began to germinate 24 h after infection (hai), and after 48 h, elongated fungal hyphae formed from a single conidium. Transcriptome… More >

  • Open Access

    ARTICLE

    Metformin alleviates LTA-induced inflammatory response through PPARγ/MAPK/NF-κB signaling pathway in bovine mammary epithelial cells

    ABDELAZIZ ADAM IDRISS ARBAB1,3,#, CHUNQING YIN4,#, XUBIN LU1, YAN LIANG1, ISMAIL MOHAMED ABDALLA1, AMER ADAM IDRIS3, TIANLE XU1,2, YONGJIANG MAO1, ZHANGPING YANG1,2,*

    BIOCELL, Vol.46, No.11, pp. 2443-2454, 2022, DOI:10.32604/biocell.2022.020865

    Abstract Mastitis is a common inflammatory cow mammary infection; that causes significant economic loss in dairy industry. Given the interesting connection between metformin’s anti-inflammatory function and mastitis model induced by LTA in pbMECs, our objective was to prove that metformin was beneficial in suppressing proinflammatory response induced by LTA through modulation of mitogen-activated protein kinase (MAPK) and nuclear factor kappa B (NF-κB) signaling pathways and activation of peroxisome proliferator-activated receptor-γ (PPARγ) in pbMECs. The proliferation of cells and mRNA expression were measured using EdU assay and quantitative reverse transcriptase-polymerase chain reaction (qRT-PCR). Immunoblotting and immunofluorescence analysis were conducted to evaluate the… More >

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