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  • Open Access

    ARTICLE

    Suppression of human papillomavirus type 16 E5 oncoprotein: A promising step in fostering the treatment of cervical cancer

    NIMA HEMMAT1, MOHAMMAD AMIN DOUSTVANDI1, ZAHRA ASADZADEH1, AHAD MOKHTARZADEH1, BEHZAD BARADARAN1,4,*, HOSSEIN BANNAZADEH BAGHI1,2,3,*

    Oncology Research, Vol.29, No.2, pp. 141-148, 2021, DOI:10.32604/or.2022.023346

    Abstract Cervical cancer is a growing global disease in developing countries. Persistent infection with human papillomaviruses (HPV) is an essential causative agent in this type of cancer. Several studies demonstrate HPV E5 oncoprotein can impress the normal life cycle of HPV-infected cells by targeting some pivotal cellular signaling pathways, such as the epidermal growth factor receptor (EGFR) signaling pathway. In this study, we used E5-siRNA to knockdown that essential oncogene and considered the effect of E5 silencing on proliferation, apoptosis, cell cycle, apoptosis-related gene expression, and the initiator of the EGFR signaling pathway in cervical cancer cells. The results demonstrate that… More >

  • Open Access

    ARTICLE

    Inhibition of Proliferation by Knockdown of Transmembrane (TMEM) 168 in Glioblastoma Cells via Suppression of Wnt/β-Catenin Pathway

    Jie Xu*1, Zhongzhou Su*1, Qiuping Ding, Liang Shen*, Xiaohu Nie*, Xuyan Pan*, Ai Yan*, Renfu Yan*, Yue Zhou*, Liqin Li, Bin Lu*

    Oncology Research, Vol.27, No.7, pp. 819-826, 2019, DOI:10.3727/096504018X15478559215014

    Abstract Human glioblastoma multiforme (GBM) accounts for the majority of human brain gliomas. Several TMEM proteins, such as TMEM 45A, TMEM 97, and TMEM 140, are implicated in human brain gliomas. However, the roles of TMEM168 in human GBM remain poorly understood. Herein we found that mRNA levels of TMEM168 were overexpressed in GBM patients (n=85) when compared with healthy people (n=10), which was also supported by data from The Cancer Genome Atlas (TCGA). Kaplan–Meier analysis of Gene Expression Omnibus dataset GSE16011 suggested that enhanced TMEM168 expression was associated with shorter survival time. To investigate whether and how TMEM168 functioned in… More >

  • Open Access

    ARTICLE

    IOX-101 Reverses Drug Resistance Through Suppression of Akt/mTOR/NF-κB Signaling in Cancer Stem Cell-Like, Sphere-Forming NSCLC Cell

    Majed Al Fayi*†, Ahmad Alamri*, Prasanna Rajagopalan*†

    Oncology Research, Vol.28, No.2, pp. 177-189, 2020, DOI:10.3727/096504019X15746768080428

    Abstract Drug discovery research to fight lung cancer is incessantly challenged by drug resistance. In this study, we used drug-resistant lung cancer stem like cells (A549-CS) to compare the efficacy of standard drugs like cisplatin (DDP) and gemcitabine (GEM) with a novel arylidene derivative IOX-101. A549-CS was derived from regular A549 cells by growing in special media. Resistance proteins were detected using Western blotting. Cell proliferations were assessed by MTT assay. Cytokine release was enumerated using enzyme-linked immunosorbent assay. The effect of drugs on apoptosis and cell cycle was studied with flow cytometry protocols. Apoptosis-related proteins, caspases, and other signaling protein… More >

  • Open Access

    REVIEW

    CD13: A Key Player in Multidrug Resistance in Cancer Chemotherapy

    Qie Guo*, Xiao Li*, Meng-Na Cui*, Jia-Lin Sun*, Hong-Yan Ji*, Bei-Bei Ni*, Mei-Xing Yan

    Oncology Research, Vol.28, No.5, pp. 533-540, 2020, DOI:10.3727/096504020X15919605976853

    Abstract Cancer is one of the most serious diseases that are harmful to human health. Systemic chemotherapy is an optimal therapeutic strategy for the treatment of cancer, but great difficulty has been encountered in its administration in the form of multidrug resistance (MDR). As an enzyme on the outer cell surface, CD13 is documented to be involved in the MDR development of tumor cells. In this review, we will focus on the role of CD13 in MDR generation based on the current evidence. More >

  • Open Access

    ARTICLE

    Facile Synthesis of a Novel Bio-Based P-N Containing Flame Retardant for Effectively Reducing the Fire Hazards of Epoxy Resin

    Meixian Li1, Xin Hu1, Jie Yang1, Hongyu Yang1,3,*, Yao Yuan2,*

    Journal of Renewable Materials, Vol.10, No.10, pp. 2639-2654, 2022, DOI:10.32604/jrm.2022.019491

    Abstract In this work, a bio-based flame retardant (Cy-HEDP) was synthesized from cytosine and HEDP through a facile salt-forming reaction and embedded into epoxy matrix to improve the flame retardancy and smoke suppression performance. The product Cy-HEDP was well characterized by FTIR, 1 H and 31P NMR and SEM tests. On the basis of the results, by adding 15 wt% Cy-HEDP, the EP15 can pass UL-94 V-0 rating, and the total smoke production (TSP) as well as total heat release (THR) can be decreased by 61.05% (from 22.61 to 8.7 m2 /m2 ) and 39.44% (from 103.19 to 62.50 MJ/m2 )… More > Graphic Abstract

    Facile Synthesis of a Novel Bio-Based P-N Containing Flame Retardant for Effectively Reducing the Fire Hazards of Epoxy Resin

  • Open Access

    ARTICLE

    Comparative Study on the Properties of Inorganic Silicate and Organic Phenolic Prepolymer Modified Poplar Wood by Vacuum Cycle Pressurization

    Pengfei Guan1, Ping Li2, Yiqiang Wu1, Xingong Li1, Guangming Yuan1, Yingfeng Zuo1,*

    Journal of Renewable Materials, Vol.10, No.9, pp. 2451-2463, 2022, DOI:10.32604/jrm.2022.020459

    Abstract To enhance mechanical properties and improve flame retardancy and smoke suppression of fast-growing poplar wood in wood applications, the wood was impregnated and modified. An organic phenolic prepolymer and inorganic sodium silicate was used as contrasting impregnation modifiers and wood samples were impregnated by a bionic “respiration” method with alternating positive and negative pressure. The weight percentage gain, density increase ratio, mechanical properties (bending and compressive strength and hardness), and water absorption rate of inorganic and organic-impregnated modified poplar wood (IIMPW and OIMPW, respectively) were compared and these properties in IIMPW were found to be higher than those of OIMPW… More >

  • Open Access

    VIEWPOINT

    Preventive approach against drug-induced pulmonary fibrosis through the suppression of epithelial-mesenchymal transition

    MASASHI KAWAMI*, RYOKO YUMOTO, MIKIHISA TAKANO

    BIOCELL, Vol.46, No.8, pp. 1861-1865, 2022, DOI:10.32604/biocell.2022.019667

    Abstract A number of drugs induce pulmonary injury and subsequently lead to serious lung diseases such as pulmonary fibrosis as the adverse drug reactions. However, an effective preventive approach against drug-induced pulmonary fibrosis has not been established due to poor understanding of common preventive targets in a variety of drugs showing pulmonary toxicity. Epithelial-mesenchymal transition (EMT), a cellular phenotypic change of the epithelial to mesenchymal state, contributes to the development of pulmonary fibrosis through the conversion of damaged alveolar epithelium into myofibroblasts. As several drugs with pulmonary toxicity have been reported to induce EMT, EMT serves as a bridge between the… More >

  • Open Access

    ARTICLE

    A Suitable Active Control for Suppression the Vibrations of a Cantilever Beam

    Y. A. Amer1, A. T. EL-Sayed2, M. N. Abd EL-Salam3,*

    Sound & Vibration, Vol.56, No.2, pp. 89-104, 2022, DOI:10.32604/sv.2022.011838

    Abstract In our consideration, a comparison between four different types of controllers for suppression the vibrations of the cantilever beam excited by an external force is carried out. Those four types are the linear velocity feedback control, the cubic velocity feedback control, the non-linear saturation controller (NSC) and the positive position feedback (PPF) controller. The suitable type is the PPF controller for suppression the vibrations of the cantilever beam. The approximate solution obtained up to the first approximation by using the multiple scale method. The PPF controller effectiveness is studied on the system. We used frequency-response equations to investigate the stability… More >

  • Open Access

    ARTICLE

    Effects of Chemical Products on Fire Blight Suppression, and Fruit Production and Quality in Apple (Malus domestica Borkh.) cv. Golden Glory

    Álvaro Rodríguez-Peña1, Ana C. Gonzalez-Franco1, Jared Hernández-Huerta1, Nora A. Salas-Salazar1, Dámaris L. Ojeda-Barrios1, Esteban Sánchez2, Loreto Robles-Hernández1,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.7, pp. 1341-1351, 2022, DOI:10.32604/phyton.2022.019728

    Abstract Antibiotics are widely used in fire blight management programs, yet there are no studies that demonstrate the evaluation of their efficacy in Mexico. Therefore, the present study was conducted to investigate the effects of the active ingredients in five commercial products (Kasumin® 2L, Agrygent Plus®, Agricultural Terramycin®, Agrimicin® 100, and Actigard®) on fire blight suppression, and fruit yield and quality of apple (Malus domestica Borkh.) cv. Golden Glory. The experiment was conducted in a commercial orchard using a completely randomized block design, with six treatments: (1) Oxytetracycline [Ox], 110 mg L−1; (2) Kasugamycin [Kas], 4.7 mL L−1; (3) Oxytetracycline + Gentamicin [Ox… More >

  • Open Access

    ARTICLE

    Molecular Basis of Unique Branching Phenotypes in Salvia splendens and the Role of PSY

    Peipei Hong1,#, Mei Wang2,#, Liting Zhi2, Hongwei Chen2,3,4,*, Kefeng Liu1, Hongli Wang2

    Phyton-International Journal of Experimental Botany, Vol.91, No.6, pp. 1211-1226, 2022, DOI:10.32604/phyton.2022.018435

    Abstract The branching system of higher plants plays a very important role in plant morphogenesis, and the number of branches can directly affect crop yield and the ornamental value of plants. It is a complicated development process involving complex molecular mechanisms. The ‘Cailinghong’ variety of Salvia splendens is characterized by its great branching ability with the ability to grow into a spherical form naturally, without pinching. To gain insight into the molecular events during the branching development of S. splendens, suppressive subtractive hybridization (SSH) technology was used to screen differentially expressed genes between the erect plant type (strain 35) and the… More >

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