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  • Open Access

    REVIEW

    Recent biomedical advances enabled by HaloTag technology

    WEIYU CHEN1,2, MUHSIN H. YOUNIS3, ZHONGKUO ZHAO1,*, WEIBO CAI3,*

    BIOCELL, Vol.46, No.8, pp. 1789-1801, 2022, DOI:10.32604/biocell.2022.018197

    Abstract The knowledge of interactions among functional proteins helps researchers understand disease mechanisms and design potential strategies for treatment. As a general approach, the fluorescent and affinity tags were employed for exploring this field by labeling the Protein of Interest (POI). However, the autofluorescence and weak binding strength significantly reduce the accuracy and specificity of these tags. Conversely, HaloTag, a novel self-labeling enzyme (SLE) tag, could quickly form a covalent bond with its ligand, enabling fast and specific labeling of POI. These desirable features greatly increase the accuracy and specificity, making the HaloTag a valuable system for various applications ranging from… More >

  • Open Access

    ARTICLE

    An Investigation of Molecular Targeting of MMP-9 for Endometriosis Using Algal Bioactive Molecules

    Farnaz Nabiya1, Anchana Devi Chenniappan1,*, Rajamiriyam Marichamy1, MubarakAli Davoodbasha2,3, Jung-Wan Kim3,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.3, pp. 569-582, 2022, DOI:10.32604/phyton.2022.017390

    Abstract Endometriosis is a chronic inflammatory disease that occurs due to the presence of endometrial tissue outside the uterine cavity. It affects from 5% to 10% of women of reproductive age. High levels of matrix metalloproteinase (especially MMP-9) have been observed in women suffering from endometriosis. Thus, the aim of this study was to investigate the naturally anti-inflammatory compounds available from an algal source that can target the MMP-9 by various in silico approaches. The target 1L6J (Crystal structure of human matrix metalloproteinase MMP-9) structure was retrieved from the PDB database. Five compounds such as Eckol, Sargafuran, Vitamin E, Docosahexaenoic acid,… More >

  • Open Access

    VIEWPOINT

    Real-Time analysis of exosome secretion of single cells with single molecule imaging

    PENGFEI ZHANG1, SHAOPENG WANG1,2,*

    BIOCELL, Vol.45, No.6, pp. 1449-1451, 2021, DOI:10.32604/biocell.2021.017607

    Abstract The exosome-mediated response can promote or restrain the diseases by regulating the intracellular pathways, making the exosome become an effective marker for diagnosis and therapeutic control at the single-cell level. However, real-time analysis is hard to be achieved with traditional approaches because the exosomes usually need to be enriched by ultracentrifugation for a measurable signal-to-noise ratio. Recently developed label-free single-molecule imaging approaches may become an real-time quantitative tool for the analysis of single exosomes and related secretion behaviors of single living cells owing to their extreme sensitivity. More >

  • Open Access

    ARTICLE

    Macromolecule’s Orientation in a Nanofiber by Bubble Electrospinning

    Dan Tian1,*, Danni Yu2, Chunhui He3

    FDMP-Fluid Dynamics & Materials Processing, Vol.17, No.4, pp. 711-720, 2021, DOI:10.32604/fdmp.2021.014290

    Abstract In the search for sustainable alternatives to harmful synthetic fibers, an increasing amount of research focuses on biomimicry and natural fibers. Sea silk is an exceptional textile material. It is a kind of natural silk produced using the long silky filaments secreted by a specific bivalve mollusk (Pinna nobilis); now at edge of extinction. This paper suggests a simple but effective way to prepare artificial sea silk from Mytilus edulis. A sea silk solution is prepared using a Mytilus edulis protein, and a polyvinyl alcohol (PVA) solution is mixed with the sea silk solution in order to produce artificial sea… More >

  • Open Access

    ARTICLE

    Expression and prognosis analyses of Dectin-1 cluster genes in patients with lung adenocarcinoma (LUAD) and the association with immune checkpoint molecules

    LITING YOU1,#, FEIFEI NA2,#, JUAN ZHOU3, LIN JIAO3, YI ZHOU3,*, BINWU YING3,*

    BIOCELL, Vol.45, No.3, pp. 649-663, 2021, DOI:10.32604/biocell.2021.013978

    Abstract Reviews The Dectin-1 cluster comprises seven members: CLEC-12A, CLEC-12B, CLEC-1A, CLEC-7A, CLEC- 2, CLEC-9A and OLR1. These members have been demonstrated to be involved in the tumorigenesis, progression, and metastasis of several cancers. However, little is known about their roles in human lung adenocarcinoma (LUAD). The expression patterns of the Dectin-1 cluster were analyzed via the ONCOMINE and GEPIA databases. We evaluated the prognostic value of the Dectin-1 cluster in patients with LUAD using the Kaplan-Meier plotter and GEPIA. Differential expression was validated with the EMBL-EBI database, and protein expression was analyzed with the HPA database. In addition, protein-protein interaction… More >

  • Open Access

    REVIEW

    Visualization of integrin molecules by fluorescence imaging and techniques

    CHEN CAI1, HAO SUN2, LIANG HU3, ZHICHAO FAN1,*

    BIOCELL, Vol.45, No.2, pp. 229-257, 2021, DOI:10.32604/biocell.2021.014338

    Abstract Integrin molecules are transmembrane αβ heterodimers involved in cell adhesion, trafficking, and signaling. Upon activation, integrins undergo dynamic conformational changes that regulate their affinity to ligands. The physiological functions and activation mechanisms of integrins have been heavily discussed in previous studies and reviews, but the fluorescence imaging techniques –which are powerful tools for biological studies– have not. Here we review the fluorescence labeling methods, imaging techniques, as well as Förster resonance energy transfer assays used to study integrin expression, localization, activation, and functions. More >

  • Open Access

    REVIEW

    Biomolecules of Interest Present in the Main Industrial Wood Species Used in Indonesia-A Review

    Resa Martha1,2, Mahdi Mubarok1,2, Wayan Darmawan2, Wasrin Syafii2, Stéphane Dumarcay1, Christine Gérardin Charbonnier1, Philippe Gérardin1,*

    Journal of Renewable Materials, Vol.9, No.3, pp. 399-449, 2021, DOI:10.32604/jrm.2021.014286

    Abstract As a tropical archipelagic country, Indonesia’s forests possess high biodiversity, including its wide variety of wood species. Valorisation of biomolecules released from woody plant extracts has been gaining attractive interests since in the middle of 20th century. This paper focuses on a literature review of the potential valorisation of biomolecules released from twenty wood species exploited in Indonesia. It has revealed that depending on the natural origin of the wood species studied and harmonized with the ethnobotanical and ethnomedicinal knowledge, the extractives derived from the woody plants have given valuable heritages in the fields of medicines and pharmacology. The families… More >

  • Open Access

    ARTICLE

    Anti-proliferative effects of a small molecule inhibitor of CDK AT7519 on chronic myeloid leukemia (CML) cells through halting the transition of cells from G2/M phase of the cell cycle

    MASOUMEH OGHABI1,2, AVA SAFAROGHLI-AZAR1,2, ATIEH POURBAGHERI-SIGAROODI1,2, MOHAMMAD SAYYADI3, MOHSEN HAMIDPOUR1, MOHAMMAD HOSSEIN MOHAMMADI1, DAVOOD BASHASH1,*

    BIOCELL, Vol.44, No.2, pp. 183-192, 2020, DOI:10.32604/biocell.2020.08880

    Abstract Pathogenesis of chronic myeloid leukemia (CML) has mostly been studied with regard to the oncogenic role of BCR/ABL fusion; however, recent disclosures have declared that the challenges with the treatment of CML patients would not be resolved until the role of other aberrancies is ignored. Given the involvement of cyclin-dependent kinases (CDKs) in the pathogenesis of CML, the present study aimed to investigate the effects of a multi-CDK inhibitor AT7519 on BCR/ABL-harboring CML-derived K562 cells. Our results showed that AT7519 effectively reduced the survival of K562 and induced its anti-proliferative effect through the induction of G2/M arrest due to elevated… More >

  • Open Access

    ARTICLE

    Tissue expression of platelet endothelial cell adhesion molecule-1 at pre and postnatal murine development

    GRACIELA CRISTINA CALABRESE*, ROSA WAINSTOK**

    BIOCELL, Vol.28, No.3, pp. 251-258, 2004, DOI:10.32604/biocell.2004.28.251

    Abstract Endothelial cells, at the cell-cell borders, express PECAM-1, and have been implicated in vascular functions. The monoclonal antibody MEC 13.3 recognizes PECAM-1 molecule from mouse vessels and allows to analyze the ontogeny of mouse endothelium. At the present, little is known about the molecular basis of differentiation pathways of endothelial cells, that enables its morphological heterogeneity. The purpose of this study was to analyze the pattern of PECAM-1 expression, employing monoclonal antibody MEC 13.3, in cellular suspensions obtained from different mouse organs at pre and postnatal stages.
    Fluorescence activated cell sorter analysis showed a different profile of the glycoprotein… More >

  • Open Access

    ARTICLE

    Synchronization Modulation of the Na/K Pump Molecules Can Hyperpolarize the Membrane Potential of PC12 Cells

    W. Chen1, L. Wang1

    Molecular & Cellular Biomechanics, Vol.3, No.4, pp. 203-204, 2006, DOI:10.32604/mcb.2006.003.203

    Abstract This article has no abstract. More >

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