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Search Results (20)
  • Open Access

    ARTICLE

    Structure, function, and mechanism of the TNFAIP8 (TIPE) family of proteins in cancer and inflammation

    ZIPENG LIN1,#, CHUXI TANG1,#, LE KANG2, GUANXI LAI1, SHIWEN LIU1, YIXIANG WU1, HUIQUN TIAN3,*, SONG LIU1,4,5,*

    BIOCELL, Vol.47, No.10, pp. 2217-2232, 2023, DOI:10.32604/biocell.2023.030233

    Abstract The multiple roles of the tumor necrosis factor (TNF)-α-inducible protein 8 (TNFAIP8), also named TIPE family of proteins have been shown in tumor and inflammation progression and regulation of cellular autophagy and apoptosis. In this review, we found that the TIPE family showed highly homologous sequences and conserved functional domains, such as the death effector domain (DED)-like domain but displayed different roles and mechanisms in different biological activities. For example, while TIPE is primarily associated with tumor progression and antitumor drug resistance, TIPE1 suppresses tumor progression in most instances. TIPE2 has multiple roles in tumor progression regulation, and antitumor drug… More > Graphic Abstract

    Structure, function, and mechanism of the TNFAIP8 (TIPE) family of proteins in cancer and inflammation

  • Open Access

    ARTICLE

    Heterogeneity beyond tumor heterogeneity—SULF2 involvement in Wnt/β-catenin signaling activation in a heterogeneous side population of liver cancer cells

    DONGYE YANG1,#,*, DONGDONG GUO2,3,#, YUNMEI PENG2, DONGMENG LIU1, YANQIU FU1, FEN SUN2, LISHI ZHOU1, JIAQI GUO1, LAIQING HUANG2,3,*

    BIOCELL, Vol.47, No.9, pp. 2037-2049, 2023, DOI:10.32604/biocell.2023.028863

    Abstract Introduction: Sulfatase 2 (SULF2), an endogenous extracellular sulfatase, can remove 6-O-sulfate groups of glucosamine residues from heparan sulfate (HS) chains to modulate the Wnt/β-catenin signaling pathway, which plays an important role in both liver carcinogenesis and embryogenesis. Side population (SP) cells are widely identified as stem-like cancer cells and are closely related to carcinoma metastasis, recurrence, and poor patient prognosis. However, the roles of SULF2 in SP cells of hepatomas are unclear, and the underlying mechanism is undefined. Objectives: This study aimed to compare the heterogeneity between SP cells and non-side population (NSP) cells derived from three different liver cancer… More > Graphic Abstract

    Heterogeneity beyond tumor heterogeneity—SULF2 involvement in Wnt/β-catenin signaling activation in a heterogeneous side population of liver cancer cells

  • Open Access

    REVIEW

    Molecular dynamics-driven exploration of peptides targeting SARS-CoV-2, with special attention on ACE2, S protein, Mpro, and PLpro: A review

    MOHAMAD ZULKEFLEE SABRI1, JOANNA BOJARSKA2, FAI-CHU WONG3,4, TSUN-THAI CHAI3,4,*

    BIOCELL, Vol.47, No.8, pp. 1727-1742, 2023, DOI:10.32604/biocell.2023.029272

    Abstract Molecular dynamics (MD) simulation is a computational technique that analyzes the movement of a system of particles over a given period. MD can provide detailed information about the fluctuations and conformational changes of biomolecules at the atomic level over time. In recent years, MD has been widely applied to the discovery of peptides and peptide-like molecules that may serve as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) inhibitors. This review summarizes recent advances in such explorations, focusing on four protein targets: angiotensin-converting enzyme 2 (ACE2), spike protein (S protein), main protease (Mpro), and papain-like protease (PLpro). These four proteins are… More > Graphic Abstract

    Molecular dynamics-driven exploration of peptides targeting SARS-CoV-2, with special attention on ACE2, S protein, M<sup>pro</sup>, and PL<sup>pro</sup>: A review

  • Open Access

    ARTICLE

    Intrusion Detection System Through Deep Learning in Routing MANET Networks

    Zainab Ali Abbood1,2,*, Doğu Çağdaş Atilla3,4, Çağatay Aydin5

    Intelligent Automation & Soft Computing, Vol.37, No.1, pp. 269-281, 2023, DOI:10.32604/iasc.2023.035276

    Abstract Deep learning (DL) is a subdivision of machine learning (ML) that employs numerous algorithms, each of which provides various explanations of the data it consumes; mobile ad-hoc networks (MANET) are growing in prominence. For reasons including node mobility, due to MANET’s potential to provide small-cost solutions for real-world contact challenges, decentralized management, and restricted bandwidth, MANETs are more vulnerable to security threats. When protecting MANETs from attack, encryption and authentication schemes have their limits. However, deep learning (DL) approaches in intrusion detection systems (IDS) can adapt to the changing environment of MANETs and allow a system to make intrusion decisions… More >

  • Open Access

    ARTICLE

    Macrophage-derived SHP-2 inhibits the metastasis of colorectal cancer via Tie2-PI3K signals

    XUELIANG WU1,#, SHAOYU GUAN2,#, YONGGANG LU3, JUN XUE4, XIANGYANG YU1, QI ZHANG5,*, XIMO WANG1,5,*, TIAN LI6

    Oncology Research, Vol.31, No.2, pp. 125-139, 2023, DOI:10.32604/or.2023.028657

    Abstract This research aimed to explore the influence of Src homology-2 containing protein tyrosine phosphatase (SHP- 2) on the functions of tyrosine kinase receptors with immunoglobulin and EGF homology domains 2 (Tie2)-expressing monocyte/macrophages (TEMs) and the influence of the angiopoietin(Ang)/Tie2-phosphatidylinositol-3-kinase (PI3K)/protein kinase B (Akt)/mammalian target of rapamycin (mTOR) (Ang/Tie2-PI3K/Akt/mTOR) signaling pathway on the tumor microvascular remodeling in an immunosuppressive microenvironment. In vivo, SHP-2- deficient mice were used to construct colorectal cancer (CRC) liver metastasis models. SHP-2-deficient mice had significantly more metastatic cancer and inhibited nodules on the liver surface than wild-type mice, and the high-level expression of p-Tie2 was found in… More > Graphic Abstract

    Macrophage-derived SHP-2 inhibits the metastasis of colorectal cancer via Tie2-PI3K signals

  • Open Access

    ARTICLE

    Columbianetin acetate inhibits the occurrence and development of pancreatic cancer cells by down-regulating the expression of Meiotic nuclear divisions 1

    KANG SUN1, DONGQIN WANG1, ZHIQIANG ZHANG1, YINLONG HUANG3, XIAOFU LIAN3, JIALE HUA3, JING ZHANG3,*, CHAOQUN LIAN1,2,*

    BIOCELL, Vol.47, No.2, pp. 297-307, 2023, DOI:10.32604/biocell.2023.023553

    Abstract Columbianetin acetate (CE) is one of the effective components of Angelica pubescens. So far, the specific role and molecular mechanism of CE in pancreatic cancer are not clear. Thus, this study aimed to explore the specific mechanism of CE on pancreatic cancer. The target genes combined with CE were predicted through the PharmMapper database and the 3D molecular structure of CE. Then, the Cancer Genome Atlas (TCGA) and Cistrome data browser (DB) databases were used to screen Meiotic nuclear divisions 1 (MND1)-related genes, transcription factors, and transcription factor data sets, and the intersection of the above data sets. The “limma”… More >

  • Open Access

    ARTICLE

    The LncRNA FEZF1-AS1 promotes tumor proliferation in colon cancer by regulating the mitochondrial protein PCK2

    HUAMIN WANG1,#, YANTING WU1,#, ZHENLEI WANG2,#, YUHANG CHEN1, JINYU MO1, WEN GUAN1, YALI ZHANG1, HONGLIANG YAO1,*

    Oncology Research, Vol.29, No.3, pp. 201-215, 2021, DOI:10.32604/or.2022.03553

    Abstract LncRNAs and metabolism represents two factors involved in cancer initiation and progression. However, the interaction between lncRNAs and metabolism remains to be fully explored. In this study, lncRNA FEZF1-AS1 (FEZF1- AS1) was found upregulated in colon cancer after screening all the lncRNAs of colon cancer tissues deposited in TCGA, the result of which was further confirmed by RNAscope staining on a colon tissue chip. The results obtained using FEZF1- AS1 knockout colon cancer cells (SW480 KO and HCT-116 KO) constructed using CRISPR/Cas9 system confirmed the proliferation, invasion, and migration-promoting function of FEZF1-AS1 in vitro. Mechanistically, FEZF1-AS1 associated with the mitochondrial… More >

  • Open Access

    ARTICLE

    FSE2R: An Improved Collision-Avoidance-based Energy Efficient Route Selection Protocol in USN

    Prasant Ku. Dash1, Lopamudra Hota2, Madhumita Panda3, N. Z. Jhanjhi4,*, Kshira Sagar Sahoo5, Mehedi Masud6

    Computer Systems Science and Engineering, Vol.44, No.3, pp. 2225-2242, 2023, DOI:10.32604/csse.2023.024836

    Abstract The 3D Underwater Sensor Network (USNs) has become the most optimistic medium for tracking and monitoring underwater environment. Energy and collision are two most critical factors in USNs for both sparse and dense regions. Due to harsh ocean environment, it is a challenge to design a reliable energy efficient with collision free protocol. Diversity in link qualities may cause collision and frequent communication lead to energy loss; that effects the network performance. To overcome these challenges a novel protocol Forwarder Selection Energy Efficient Routing (FSE2R) is proposed. Our proposal’s key idea is based on computation of node distance from the… More >

  • Open Access

    ARTICLE

    LncRNA WEE2-AS1 knockdown inhibits the proliferation, migration and invasion of glioma cells via regulating miR-29b-2- 5p/TPM3 axis

    ZHEN JIA1,2,#, ZHENGTING QIAN1,2,#, YONG TANG2, XIANG LI2, YAN SHI2, HENG XIN1,2, YOUWU FAN1,2,*, HEMING WU2,*

    Oncology Research, Vol.29, No.2, pp. 105-117, 2021, DOI:10.32604/or.2022.03536

    Abstract Glioma is a general malignant tumor with a dismal prognosis. Long noncoding RNAs (lncRNAs) have been implicated in the initiation and processes of tumors. An investigation of the GEPIA database revealed that long noncoding RNA WEE2 antisense RNA 1 (WEE2-AS1) is upregulated in glioma tissues compared to normal brain tissues, and validation with quantitative real-time polymerase chain reaction (qRT–PCR) revealed that WEE2-AS1 expression was consistent with the database prediction. Fluorescence in situ hybridization (FISH) assays revealed that WEE2-AS1 was localized primarily in the cytoplasm. Clone formation experiment and EDU assay were used to detect cell proliferation ability, and Transwell assay… More >

  • Open Access

    ARTICLE

    miR-223-5p Suppresses Tumor Growth and Metastasis in Non-Small Cell Lung Cancer by Targeting E2F8

    Liyan Dou*1, Kaiyu Han†1, Mochao Xiao*, Fuzhen Lv

    Oncology Research, Vol.27, No.2, pp. 261-268, 2019, DOI:10.3727/096504018X15219188894056

    Abstract miR-223-5p has been demonstrated to regulate the development and progression of various cancers, such as hepatocellular carcinoma, breast cancer, and gastric carcinoma. However, the role of miR-223-5p in nonsmall cell lung cancer (NSCLC) requires further investigation. In this study, we found that the expression of miR-223-5p was significantly downregulated in NSCLC tissues and cell lines. Moreover, the expression level of miR-223-5p is negatively correlated with the malignance of NSCLC. We found that overexpression of miR-223-5p remarkably suppressed the proliferation of NSCLC cells in vitro and in vivo. miR-223-5p overexpression also led to reduced migration and invasion in NSCLC cells. Mechanistically,… More >

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