Hongde Li^*†‡, Yueshuo Li^*†‡, Jianmin Hu^*†‡, Sufang Liu^§, Xiangjian Luo^*†‡¶, Min Tang^*†‡, Ann M. Bode^#, Zigang Dong^#**, Xinqi Liu^††, Weihua Liao^‡‡, Ya Cao^{*†‡¶ §§¶¶}

Oncology Research, Vol.28, No.7-8, pp. 763-778, 2020, DOI:10.3727/096504021X16135618512563

Abstract Epstein–Barr virus (EBV)-encoded latent membrane protein 1 (LMP1) plays an important oncogenic role in the viral latent infection. Recently, increasing evidence indicates that the high expression of LMP1 during EBV lytic cycle is related to the viral lytic replication. However, the mechanism by which LMP1 regulates EBV lytic replication remains unclear. (−)-Epigallocatechin-3-gallate (EGCG) prevents carcinogenesis by directly targeting numerous membrane proteins and effectively inhibits EBV lytic cascade. Here, we demonstrated that LMP1 promotes EBV lytic replication through the downstream signal molecules MAPKs, including ERKs, p38, and JNKs. LMP1 induces the phosphorylation of p53 through MAPKs to enhance the ability of… More >

LIANHUAN MA¹, SHOUPENG LIU², XIAOWEN ZHEN¹, WEIWEI QIAO¹, LINA MA¹, XIAOMIN ZHANG^3,*

BIOCELL, Vol.46, No.8, pp. 1911-1916, 2022, DOI:10.32604/biocell.2022.019277

Abstract This study was designed to investigate the protective effects of Astaxanthin (AST) in rats with diabetes mellitus (DM) induced by streptozotocin. SD rats were divided into control group (n = 5, only received normal saline), DM group (n = 8) and AST + DM group (n = 8; AST: 50 mg/kg/day). DM rats were induced by intraperitoneal injection of streptozocin (STZ, 65 mg/kg). Blood glucose level and body weight were determined at weeks 0, 2, 4, 6 and 8, respectively. At week 8, kidney function was determined, together with expression of P53 and dynamin-related protein-1 (Drp1) by Western blot analysis… More >

YUANNA DU^1,#, WENWEN GONG^2,#, JING LIANG^1,#, RUKUN ZANG¹, JUNJUN MOU¹

BIOCELL, Vol.46, No.5, pp. 1181-1188, 2022, DOI:10.32604/biocell.2022.016148

Abstract Endometrial cancer remains to be a major type of malignancy in threatening female life. Molecular insights in advancing our understanding of endometrial tumorigenesis are much needed. We here report that a less-studied protein Dihydropyrimidinase like 3 (DPYSL3) is a potent tumor suppressor. DPYSL3 is uniquely regulated by wild type p53 (wtp53), and its expression is at the highest level when cells carry wtp53 and are exposed to hypoxia. We reveal that wtp53 can bind DPYSL3 promoter to enhance DPYSL3 expression and in turn, the elevated DPYSL3 can restrain cancer cell proliferation and invasion in vitro and in vivo. Importantly, we… More >

JIUCHUN GUO¹, JIE PAN^2,*, QIANQIAN GUO²

BIOCELL, Vol.46, No.2, pp. 505-510, 2022, DOI:10.32604/biocell.2021.015785

Abstract The excessive energy of light, especially the invisible rays with lower wavelength, is basically absorbed by retinal pigment epithelium (RPE) and usually causes DNA damage. The molecular mechanism behind DNA damage repair response to this frequent stress in RPE is not clearly understood. In this study, we determined that the Fanconi anemia (FA) pathway was activated in human RPE ARPE-19 cells after ultraviolet (UV) B and C treatment. Moreover, immunoprecipitation (IP) of FANCD2 indicated that denticleless E3 ubiquitin protein ligase homolog (DTL) closely interacted with FANCD2. Knockdown of DTL weakened the activity of the FA pathway in ARPE-19 cells responding… More >

Chunya Hu, Yu He^*

Oncologie, Vol.23, No.2, pp. 241-250, 2021, DOI:10.32604/Oncologie.2021.015828

Abstract Objective: The aim of the present study was to investigate the anti-tumor effects of formononetin on human nonsmall cell lung cancer (NSCLC) and its potential molecular mechanism. Methods: A549 cells were treated with different concentrations of formononetin, then detected the cell proliferation, apoptosis and the expression of HIPK2 respectively by MTT assay, flow cytometry analysis and RT-qPCR. Then the interaction between miR- 27a-3p and its target gene HIPK2 was verified through luciferase reporter assay. The expression of miR-27a- 3p, HIPK2, and p53 was detected after being treated with different formononetin concentrations by RT-qPCR and western blot. Results: The results showed… More >

SHUANG-LI HAO, FEI-DA NI, BANG-HONG WEI, ZHEN-FANG LI, TONG YANG, WAN-XI YANG^*

BIOCELL, Vol.45, No.4, pp. 971-984, 2021, DOI:10.32604/biocell.2021.015178

Abstract Spermatogenesis is a complicated and highly regulated male gamete differentiation process that begins with the proliferation and differentiation of spermatogonia to the release of the mature spermatozoa. The autophagy-related gene atg7 has been reported as closely related to spermatogenesis and communication of Sertoli cell-germ cells in mice, including acrosome biogenesis, sperm flagellum development, and ectoplasmic specialization assembly. However, the function of es-ATG7 and its molecular regulatory mechanism during spermatogenesis in Crustacea remain largely unknown. Here, we cloned and identified es-atg7 from the testes of the Chinese mitten crabs Eriocheir sinensis and found that the expression of es-atg7 was relatively high… More >

Shivangi Goyal, Sreemoyee Chatterjee, Nidhi Gupta^*

Oncologie, Vol.23, No.1, pp. 89-104, 2021, DOI:10.32604/Oncologie.2021.015234

Abstract Background: Trigonella foenum-graecum Linn. has been extensively used for medicinal purposes. The current study deals with in vitro and in vivo correlation of free radical quenching activity and anticancer potential of seed extracts of Trigonella. Materials and methods: Antioxidant activity was evaluated against DPPH, NO and ABTS via in vitro radical scavenging assay. Cytotoxicity effect of Trigonella seed extract was studied in human embryonic kidney HEK 293 cell line by alamar blue assay. In vivo antioxidant activity in Swiss albino mice model was assessed by studying endogenous antioxidant enzymes such as GSH, GPx, SOD and LPO. Antitumor effect was observed… More >

MERVIN BURNETT¹, VITO RODOLICO², FAN SHEN¹, ROGER LENG¹, MINGYONG ZHANG³, DAVID D. EISENSTAT^4,5, CONSOLATO SERGI^1,3,6,*

BIOCELL, Vol.45, No.1, pp. 17-26, 2021, DOI:10.32604/biocell.2021.013973

Abstract MicroRNAs (miRNAs) are small single-stranded, non-coding RNA molecules involved in the pathogenesis and progression of cancer, including osteosarcoma. We aimed to clarify the pathways involving miRNAs using new bioinformatics tools. We applied WikiPathways and PathVisio, two open-source platforms, to analyze miRNAs in osteosarcoma using miRTar and ONCO.IO as integration tools. We found 1298 records of osteosarcoma papers associated with the word “miRNA”. In osteosarcoma patients with good response to chemotherapy, miR-92a, miR- 99b, miR-193a-5p, and miR-422a expression is increased, while miR-132 is decreased. All identified miRNAs seem to be centered on the TP53 network. This is the first application of… More >

Heya QIAN^1,§, Yan YAN^2,§, Zhengjie SHEN¹, Lixian XU¹, Yun ZUO¹, Tao ZHU^3,*, Yanan CHEN^1,*

BIOCELL, Vol.43, No.4, pp. 321-326, 2019, DOI:10.32604/biocell.2019.07992

Abstract The present study aims to explore the effects of p53 and its target gene Rap2B on the autophagy of U2OS cells. U2OS cells were treated with siRNA against p53, Rap2B, and PLCε. Relative expressions of p53, Rap2B, and PLCε were determined using quantitative polymerase chain reaction (qPCR) and Western blotting, respectively. Levels of IP3 in the cells were determined using Enzyme-linked Immunosorbent Assay (ELISA). Levels of Ca²⁺ were detected using Flow cytometry. Fluorescence microscopy was used to observe the autophagy of cells. Knockdown of p53 significantly decreased the expressions of Rap2B protein. Additionally, knockdown of p53 significantly decreased the mRNA… More >

Yan Zu^1,2, Qiang Li¹, Chun Yang^2,*

Molecular & Cellular Biomechanics, Vol.16, Suppl.2, pp. 106-106, 2019, DOI:10.32604/mcb.2019.07132

Abstract Extracellular matrix (ECM) elasticity affects the function of a variety of cells. Integrins are transmembrane receptors that considered to be a sensor of cellular mechanical stimulation. The activity of integrins is strongly influenced by glycans through glycosylation events and the establishment of glycan-mediated interactions. Our study found that the level of β1 integrin N-linked glycosylation was significantly down-regulated on softer ECM. Further, sialic acid is a common monosaccharide modified at the end of the sugar chain during N-glycosylation. We subjected the enriched sialylated glycoproteins to gel-based proteomic identification by tandem mass spectrometry and found that the chondrocytes seeded on stiff… More >