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  • Open Access

    ARTICLE

    Forkhead box protein O1 (FoxO1) regulates lipids metabolism and cell proliferation mediated by insulin and PI3K-Akt-mTOR pathway in goose primary hepatocytes

    RONGXUE WEI1, CHUNCHUN HAN1,*, FENGJIANG YE1, SHOUHAI WEI2, FANG HE1, HEHE LIU1, LIANG LI1, HONGYONG XU1, SHENQIANG HU1, XIANYIN ZENG2

    BIOCELL, Vol.46, No.1, pp. 171-183, 2022, DOI:10.32604/biocell.2022.015409 - 28 September 2021

    Abstract In order to explore the role of forkhead box protein O1 (FoxO1) in the lipid metabolism and cell proliferation, goose primary hepatocytes were isolated and incubated with insulin or PI3K-Akt-mTOR pathway dual inhibitor NVP-BEZ235, and then transfected with FoxO1 interference plasmid. The related parameters of lipid metabolism and cell proliferation were measured. The results firstly showed that FoxO1 interference increased the intracellular TG and lipids concentration (P < 0.05); and increased the proliferative index (PI), cell DNA synthesis, protein expression of Cyclin D1 in goose primary hepatocytes (P < 0.05). Secondly, the co-treatment of insulin and… More >

  • Open Access

    ARTICLE

    Study of Hepatocytes Polyploidization Peculiarities in Cholestatic Liver of Adult Rats

    Salome Kiparoidze1,*, Nino Karumidze2, Ekaterine Bakuradze1, Irina Modebadze1, Levan Rusishvili1, Dimitri Kordzaia2, Diana Dzidziguri1

    Molecular & Cellular Biomechanics, Vol.18, No.3, pp. 131-138, 2021, DOI:10.32604/mcb.2021.015596 - 15 July 2021

    Abstract According to the literature, different mechanisms and kinetics proceeding of regenerative growth has been established using the basic models of liver regeneration (after resection or chemically induced). Hence, in order to determine general regularities of the adaptive-compensatory processes in various pathological conditions, the processes taking place in the cholestatic liver of adult white rats during the first four days after common bile duct ligation have been studied. It has been shown that in cholestatic liver, compensatory-adaptive processes take place with different kinetics compared to those after resection. In particular, in response to the increased functional… More >

  • Open Access

    ABSTRACT

    Gene Expression Profiling of Human Hepatocytes Grown on Differing Substrate Stiffness

    Fan Feng1, Tingting Xia1, Runze Zhao1, Mengyue Wang1, Li Yang1,*

    Molecular & Cellular Biomechanics, Vol.16, Suppl.2, pp. 131-131, 2019, DOI:10.32604/mcb.2019.07211

    Abstract Objective: To study the effects of different substrate stiffness on human hepatocytes using RNA sequencing (RNA-Seq) technology. The stiffness was corresponding to physiology and pathology stiffness of liver tissues.
    Results: With the aid of RNA-Seq technology, our study characterizes the transcriptome of hepatocytes cultured on soft, moderate, stiff and plastic substrates. Compared to soft substrate, our RNA-Seq results revealed 1131 genes that were up-regulated and 2534 that were down-regulated on moderate substrate, 1370 genes that were up-regulated and 2677 down-regulated genes on stiff substrate. Functional enrichment analysis indicated that differentially expressed genes were associated with More >

  • Open Access

    ARTICLE

    Detection of Necroptosis in Ligand-Mediated and Hypoxia-Induced Injury of Hepatocytes Using a Novel Optic Probe-Detecting Receptor-Interacting Protein (RIP)1/RIP3 Binding

    Sanae Haga*, Akira Kanno, Takeaki Ozawa, Naoki Morita§, Mami Asano,¶ and Michitaka Ozaki

    Oncology Research, Vol.26, No.3, pp. 503-513, 2018, DOI:10.3727/096504017X15005102445191

    Abstract Liver injury is often observed in various pathological conditions including posthepatectomy state and cancer chemotherapy. It occurs mainly as a consequence of the combined necrotic and apoptotic types of cell death. In order to study liver/hepatocyte injury by the necrotic type of cell death, we studied signal-regulated necrosis (necroptosis) by developing a new optic probe for detecting receptor-interacting protein kinase 1 (RIP)/RIP3 binding, an essential process for necroptosis induction. In the mouse hepatocyte cell line, TIB-73 cells, TNF-a/cycloheximide (T/C) induced RIP1/3 binding only when caspase activity was suppressed by the caspase-specific inhibitor z-VAD-fmk (zVAD). T/C/zVAD-induced… More >

  • Open Access

    ARTICLE

    Effect of synthesis variables of plasma synthesized polymers on growth of HepG2 cells

    Elizabeth PÉREZ-TEJADA1,4*, Juan MORALES-CORONA3, Luis Ernesto GÓMEZ-QUIRÓZ2, María Concepción GUTIERREZ-RUIZ2, Roberto OLAYO3

    BIOCELL, Vol.41, No.2-3, pp. 41-44, 2017, DOI:10.32604/biocell.2017.41.041

    Abstract Low pressure plasma polymer films were synthesized using pyrrole and allylamine monomers and adding iodine was used (or not) for the reaction in both cases. They were polymerized on glass substrates under the same reaction conditions. Polymerization of allylamine was also studied at different operating powers. These thin polymer films were used as culture surfaces for HepG2 cells, a cell line derived from a human hepatoma. The proliferation, differentiation and two-dimensional propagation until obtaining monolayer of the cells was studied on the different synthetized films and correlations were established between the conditions of synthesis, the More >

  • Open Access

    ARTICLE

    Apoptogenic effect of the lipophilic o-naphthoquinone CG 10-248 on rat hepatocytes: light and electron microscopy studies

    Lidia M. Lopez*, Marta Dubin**, Patricia H. Carrizo**, Mario H. Burgos***, Amanda Pellegrino De Iraldi*, Andrés O. M. Stoppani**

    BIOCELL, Vol.27, No.2, pp. 213-224, 2003, DOI:10.32604/biocell.2003.27.213

    Abstract CG 10-248 (3,4-dihydro-2,2-dimethyl-9-chloro-2H-naphtho[1,2b]pyran- 5,6-dione; CG-NQ), a β-lapachone analogue, modified the ultrastructure of rat hepatocytes, as demonstrated by light and electron microscopy. After 4 h incubation with 100 µM CG-NQ, the following effects were observed: (a) nuclear chromatin condensation; (b) chromatin fragmentation; (c) displacement of mitochondria, concentrated around the nucleus; (d) disruption or expansion of mitochondrial outer or inner membranes, respectively; (e) displacement and alteration of endoplasmic reticulum (rough and smooth); (f) decrease of microvilli; (g) blebbing of plasma membrane and production of apoptotic bodies formed by folding of plasma membrane fragments around mitochondria or peroxysomes; More >

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