Evaluation of the antiviral effect of new compounds by using cellular cultures.

abstract：:In the last 10 years, new assignments and the special demands of mammalian cells to the culture conditions caused the development of complex small scale fermentation setups. The use of continuous fermentation and cell retention devices requires appropriate process control systems. An arrangement for control and data-a...

journal_title：Cytotechnology

authors： Büntemeyer H,Marzahl R,Lehmann J

更新日期：1994-01-01 00:00:00

abstract：:Hyperuricemia is an important risk factor for gout. Isorhamnetin (3'-O-methylquercetin) is an O-methylated flavonol, which occurs in onion, almond and sea buckthorn. It is also one of the metabolites of quercetin in mammals. In the present study, we investigated anti-hyperuricemic effect of isorhamnetin adopting both ...

journal_title：Cytotechnology

authors： Adachi SI,Kondo S,Sato Y,Yoshizawa F,Yagasaki K

更新日期：2019-02-01 00:00:00

abstract：:Specific respiration rate ( [Formula: see text]) is a key parameter to understand cell metabolism and physiological state, providing useful information for process supervision and control. In this work, we cultivated different insect cells in a very controlled environment, being able to measure [Formula: see text]. Sp...

journal_title：Cytotechnology

authors： Pamboukian MM,Jorge SA,Santos MG,Yokomizo AY,Pereira CA,Tonso A

更新日期：2008-05-01 00:00:00

abstract：CONCLUSIONS:With the wide availability of insect cell culture media, it can generally be considered a routine process to develop new cell lines. Exceptions to this statement do exist, of course. Difficulties may arise when attempting to culture a specific cell type. For example, while there are a few cell lines from in...

journal_title：Cytotechnology

authors： Lynn DE

更新日期：1996-01-01 00:00:00

abstract：:Precision-cut liver tissue slices (PCLS) have been used for decades to study pharmacological metabolism as well as toxicology and efficacy of novel substances on primary material under standardized conditions. Slicing of primary liver tissue has been done using different slicing machines. Since there has been great va...

journal_title：Cytotechnology

authors： Zimmermann M,Lampe J,Lange S,Smirnow I,Königsrainer A,Hann-von-Weyhern C,Fend F,Gregor M,Bitzer M,Lauer UM

更新日期：2009-12-01 00:00:00

abstract：:Perilla frutescens is an Asian dietary herb consumed as an essential seasoning in Japanese cuisine as well as used for a Chinese medicine. Here, we report that a newly found methoxyflavanone derivative from P. frutescens (Perilla-derived methoxyflavanone, PDMF; 8-hydroxy-5,7-dimethoxyflavanone) shows carcinostatic act...

journal_title：Cytotechnology

authors： Abd El-Hafeez AA,Fujimura T,Kamei R,Hirakawa N,Baba K,Ono K,Kawamoto S

更新日期：2018-06-01 00:00:00

abstract：:Gingival fibroblast cultures from four patients with Down's Syndrome (DS) and periodontal disease were compared with four in vitro age-matched fibroblast cultures of handicapped subjects (ND) also affected by periodontitis. The extra copy of chromosome 21 could alter growth regulation and biochemical mechanisms, so we...

journal_title：Cytotechnology

authors： Solmi R,Rossetti A,Talassi O,Tomasini GL,Fato R,Estornell E,Lucarini G,Lenaz G,Simonelli L,Brunelli MA

更新日期：1993-01-01 00:00:00

abstract：:Transient gene expression (TGE) bioprocesses have been difficult to scale up in large stirred tank bioreactors with volumes of more than 1.5 L. Low production levels are often observed, but the causes have not been investigated (Gutierrez-Granados et al. in Crit Rev Biotechnol 38:918-940, 2018). Chikungunya Virus-like...

journal_title：Cytotechnology

authors： Chen P,Demirji J,Ivleva VB,Horwitz J,Schwartz R,Arnold F

更新日期：2019-12-01 00:00:00

abstract：:We found that the formation of multilayer rosettes by transformed human blood lymphocytes after phytohemagglutinin (PHA) stimulation is correlated with conformational changes of the chromatin as seen by premature chromosome condensation (PCC). The frequency distribution of grades of PCC and multilayer rosette formatio...

journal_title：Cytotechnology

authors： Thomou H,Sambani C,Kitsiou P,Politis G

更新日期：1988-07-01 00:00:00

abstract：:To construct a recombinant protein highly producing cell lines, we have previously developed the Oncogene Activated Production (OAP) system by using BHK-21 cells. Here we verified the availability of the OAP system in CHO cells. We firstly generated 'primed' ras amplified CHO cells, ras clone I, by introducing human c...

journal_title：Cytotechnology

authors： Katakura Y,Seto P,Miura T,Ohashi H,Teruya K,Shirahata S

更新日期：1999-09-01 00:00:00

abstract：CONCLUSIONS:The BEVS has become widely utilized for production of recombinant proteins. However, protein aggregation and inefficient processing often limit yields, especially for secreted and membrane proteins. Since many proteins of pharmaceutical interest require similar posttranslational processing steps, engineerin...

journal_title：Cytotechnology

authors： Betenbaugh MJ,Ailor E,Whiteley E,Hinderliter P,Hsu TA

更新日期：1996-01-01 00:00:00

abstract：:Bauhinia holophylla (Bong.) Steud. (Fabaceae) is a plant used in Brazilian folk medicine to treat diabetes and inflammation. This study evaluated the phytochemical properties, cytotoxic, apoptotic, mutagenic/antimutagenic effects and alterations in gene expression (RNAm) in HepG2 cells treated with the B. holophylla e...

journal_title：Cytotechnology

authors： Ribeiro DL,Cilião HL,Specian AFL,Serpeloni JM,De Oliveira MT,Varanda EA,Vilegas W,Saldanha LL,Martínez-López W,Dokkedal AL,Cólus IMS

更新日期：2018-04-01 00:00:00

abstract：:Sorbaria kirilowii (Regel) Maxim, a plant found in China, Korea, Japan, and east of Europe, is a common herb used for traditional medicinal purposes. However, its ability to prevent photoaging has not been studied. In this study, we investigated the anti-photoaging functions of an ethanol extract (Sk-EE) of S. kirilow...

journal_title：Cytotechnology

authors： Chen H,Jang J,Kopalli SR,Yum J,Yoon K,Cho JY

更新日期：2021-02-01 00:00:00

abstract：:This study describes two packed bed bioreactor configurations which were used to culture a mouse-mouse hybridoma cell line (ATCC HB-57) which produces an IgG1 monoclonal antibody. The first configuration consists of a packed column which is continuously perfused by recirculating oxygenated media through the column. In...

journal_title：Cytotechnology

authors： Wang G,Zhang W,Jacklin C,Freedman D,Eppstein L,Kadouri A

更新日期：1992-01-01 00:00:00

abstract：:In the recent years, the possibility of utilizing extracellular vesicles for drug delivery purposes has been investigated in various models, suggesting that these vesicles may have such potential. In addition to the choice of donor cell type for vesicle production, a major obstacle still exists with respect of loading...

journal_title：Cytotechnology

authors： Johnsen KB,Gudbergsson JM,Skov MN,Christiansen G,Gurevich L,Moos T,Duroux M

更新日期：2016-10-01 00:00:00

abstract：:Large scale animal cell culture for the production of complex therapeutic proteins has been a major success of the biotechnology industry. Today, approximately half of the $ 5 billion annual turnover of the biotechnology industry is based upon this technology, in many cases with reactors of more than 10 m(3). As we lo...

journal_title：Cytotechnology

authors： Cooney CL

更新日期：1995-01-01 00:00:00

abstract：:Increasing interest has been observed in the use of photobiomodulation (PBM) to enhance the proliferation of stem cells and induce their differentiation. The effects of PBM at two different wavelengths (635 and 809 nm) with three different energy densities (0.5, 1 and 2 J/cm2) on the osteogenic differentiation of adip...

journal_title：Cytotechnology

authors： Bölükbaşı Ateş G,Ak A,Garipcan B,Gülsoy M

更新日期：2020-04-01 00:00:00

abstract：:Menadione-catalyzed H(2)O(2) production by viable animal cells was proportional to the viable cell number, and H(2)O(2) production decreased with increasing cytotoxic effects after the incubation of cells with cytotoxic compounds. The cytotoxic effects of food additives, pesticides, antibiotics, heavy metals, phytotox...

journal_title：Cytotechnology

authors： Yamashoji S,Isshiki K

更新日期：2001-11-01 00:00:00

abstract：:An efficient mammalian cell system for producing bioproducts should retain high cell viability and efficient use of energy sources rendering the need to understand the effects of various variables on the cell system. In this study, global metabolite (metabolomics) analysis approach was used to try and understand the r...

journal_title：Cytotechnology

authors： Mohmad-Saberi SE,Hashim YZ,Mel M,Amid A,Ahmad-Raus R,Packeer-Mohamed V

更新日期：2013-08-01 00:00:00

abstract：:Over the past decade, global interest in the development of therapeutic monoclonal antibodies (mAbs) has risen rapidly. As therapeutic agents, antibodies have shown marked efficacy in combatting a range of cancers and immune diseases with high target specificity and low toxicity (Carla Lucia et al. in PLoS ONE 6:e2407...

journal_title：Cytotechnology

authors： Weng Z,Jin J,Shao C,Li H

更新日期：2020-04-01 00:00:00

abstract：:Structure-activity relationship of antioxidants for the protective effects on linoleic acid hydroperoxide (LOOH)-induced toxicity were examined in cultured human umbilical vein endothelial cells. alpha-Tocopherol, 2,2,5,7,8-pentamethylchroman-6-ol, butylated hydroxytoluene, probucol, and fatty acid esters of ascorbic ...

journal_title：Cytotechnology

authors： Kaneko T,Baba N,Matsuo M

更新日期：2001-01-01 00:00:00

abstract：:Effective harvesting procedure for adipose tissue is demanded by the affordable Good Manufacturing Practice-Compliant Production of clinical-grade adipose tissue-derived stem cells (hADSCs). Enzymatic digestion using collagenase is the most reliable method of adipose tissue-derived stem cells (hADSCs) isolation, while...

journal_title：Cytotechnology

authors： Li Z,Mu D,Liu C,Xin M,Fu S,Li S,Qi J,Wang Q,Luan J

更新日期：2020-04-01 00:00:00

abstract：:The effects of media concentrations of glucose andglutamine on the intracellular nucleotide pools andoxygen uptake rates of a murine antibody-secretinghybridoma cell line were investigated. Cells takenfrom mid-exponential phase of growth were incubated inmedium containing varying concentrations of glucose(0-25 mM) and...

journal_title：Cytotechnology

authors： Barnabé N,Butler M

更新日期：2000-10-01 00:00:00

abstract：:Animal cells in suspension culture can suffer severe mechanical damage from bursting gas bubbles or other hydrodynamic force sources. Certain chemical additives in the culture media, particularly some surface-active chemicals, can effectively protect animal cells against such damage. Previously we proposed that the pr...

journal_title：Cytotechnology

authors： Wu J

更新日期：1996-01-01 00:00:00

abstract：:A sequential multiprobe fluorescence in situ hybridization technique was developed to study the 13, 18, 21, X and Y chromatid segregation in human lymphocytes anaphases cultures without antimitotic treatment. This method was used to know if exist any different chromosomes segregation in lymphocytes from Down syndrome ...

journal_title：Cytotechnology

authors： Escudero T,Coll MD,Fuster C,Egozcue J

更新日期：2002-09-01 00:00:00

abstract：:TNFalpha plays a crucial role in the pathogenesis of rheumatoid arthritis. It is very important to examine the expression of the TNF receptors, the ligand of TNFalpha. In this study, we developed a triple-color flow cytometric analysis using CD45 and CD14 monoclonal antibodies to simply detect the expression of the TN...

journal_title：Cytotechnology

authors： Ida H,Aramaki T,Nakamura H,Fujikawa K,Arima K,Tamai M,Kamachi M,Satoh K,Origuchi T,Kawakami A,Furuichi I,Kawabe Y,Eguchi K

更新日期：2009-07-01 00:00:00

abstract：:Toxicity testing is required for new chemicals being introduced onto the market. The use of animals in evaluating chemical safety is costly and time consuming. Furthermore, there is the ethical need to develop alternative methods to reduce the required number of animals. The new in vitro assays offer numerous advantag...

journal_title：Cytotechnology

authors： Cinelli S,Falezza A,Meli C,Ciliutti P,Vericat JA

更新日期：1991-01-01 00:00:00

abstract：:In this article, we describe a new method that facilitates to isolate mammalian cells inducible hyper-producing heterologous proteins. This method uses the tetracycline-inducible system to express both the selection marker and the heterologous gene, therefore, allows to increase the selection pressure by reducing the ...

journal_title：Cytotechnology

authors： Teruya K,Zhang Y,Katakura Y,Shirahata S

更新日期：2002-11-01 00:00:00

abstract：:Oral tolerance is the systemic immunological unresponsiveness that occurs after feeding protein antigens. Its physiological role is thought to be the prevention of hypersensitivity to food antigens, and its therapeutic use to treat inflammatory diseases has been suggested. Although it has been shown that CD4(+) T cell...

journal_title：Cytotechnology

authors： Gotoh T,Ise W,Nonaka A,Hamaguchi S,Hachimura S,Kaminogawa S

更新日期：2003-11-01 00:00:00

abstract：:Alphaviruses are positive stranded RNA viruses that replicate to extremely high titers. Sindbis and Semliki Forest viral vectors are widely used tools for high-level production of recombinant proteins. Recent studies have broadened their scope to vaccine production, gene therapy, and analysis of cell function. Here we...

journal_title：Cytotechnology

authors： Boorsma M,Koller D,Renner WA,Bachmann MF

更新日期：2001-05-01 00:00:00