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Romain Forey et al.
Molecular cell, 81(1), 183-197 (2020-12-06)
Mre11-Rad50-Xrs2 (MRX) is a highly conserved complex with key roles in various aspects of DNA repair. Here, we report a new function for MRX in limiting transcription in budding yeast. We show that MRX interacts physically and colocalizes on chromatin
Yingxin Zou et al.
International journal of molecular medicine, 36(4), 939-946 (2015-08-05)
This study investigated the effect of Cordyceps sinensis oral liquid (CSOL) on the lifespan of Drosophila melanogaster (fruit fly). Following the lifelong treatment of fruit flies with CSOL, lifespan was examined. The activity of copper-zinc-containing superoxide dismutase 1 (SOD1), manganese-containing superoxide dismutase 2 (SOD2)
Xiaojun Liu et al.
Oncology reports, 33(1), 157-162 (2014-11-15)
Lactate dehydrogenase A (LDH-A), which regulates glycolytic flux by catalyzing pyruvate to lactate in the cytoplasm, is believed to be one of the highly attractive therapeutic targets for cancers. Firstly, we detected the expression of LDH-A in gastric cancer (GC)
Yanmei Zou et al.
Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine, 36(7), 5179-5186 (2015-02-06)
In the present study, we investigated the effects and action mechanisms of a purified polysaccharide (APWP) from Andrographis paniculata, on human hepatocellular carcinoma (HCC) HepG2 cells. The results showed that APWP was able to suppress the proliferation of HepG2 cells
Susana M Cerritelli et al.
Nucleic acids research, 48(8), 4274-4297 (2020-03-19)
Cellular levels of ribonucleoside triphosphates (rNTPs) are much higher than those of deoxyribonucleoside triphosphates (dNTPs), thereby influencing the frequency of incorporation of ribonucleoside monophosphates (rNMPs) by DNA polymerases (Pol) into DNA. RNase H2-initiated ribonucleotide excision repair (RER) efficiently removes single
Ana Lúcia Rebelo et al.
STAR protocols, 2(1), 100237-100237 (2020-12-29)
Lectin histochemical analysis of tissues combined with immunohistochemistry is a valuable tool to characterize and correlate the spatial distribution of glycans with the presence of specific cell types or antigens of interest. The current protocol describes the application of monosaccharide
Kevin G Mark et al.
Nature protocols, 11(2), 291-301 (2016-01-15)
Ubiquitination is an essential protein modification that influences eukaryotic processes ranging from substrate degradation to nonproteolytic pathway alterations, including DNA repair and endocytosis. Previous attempts to analyze substrates via physical association with their respective ubiquitin ligases have had some success.
Hong Zhang et al.
Steroids, 89, 1-10 (2014-07-22)
Six new spirostane glycosides (1-6), named polygodosides A-F, one new furostanol glycoside, polygodoside G (7), one new cholestane glycoside, polygodoside H (8), and one new steroidal sapogenin, polygodosin A (9), together with thirteen known compounds (10-22) were isolated from a
Xiaobei Li et al.
Food chemistry, 166, 358-364 (2014-07-24)
The aim of this research was to study effects of drying methods on the tasty compounds of Pleurotus eryngii, a common commercial edible fungus. In order to maximally maintain the taste of P. eryngii, several different drying methods, including hot
Broder Rühmann et al.
Journal of chromatography. A, 1350, 44-50 (2014-05-28)
A fast carbohydrate screening platform processible in 96-well format is described. The method is suitable for the determination of various carbohydrates out of complex mixtures as obtained by acidic hydrolysis of carbohydrates polymers. The chromatographic conditions for an efficient separation
Mostafizur Mazumder et al.
Nucleic acids research, 42(14), 9514-9522 (2014-07-25)
Modularity in controlling gene expression artificially is becoming an essential aspect of synthetic biology. Artificial transcriptional control of gene expression is one of the most well-developed methods for the design of novel synthetic regulatory networks. Such networks are intended to
Javier Sánchez-Martín et al.
Plant, cell & environment, 38(7), 1434-1452 (2014-12-24)
Although a wealth of information is available on the induction of one or several drought-related responses in different species, little is known of how their timing, modulation and crucially integration influence drought tolerance. Based upon metabolomic changes in oat (Avena
Lingling Neng et al.
Nature protocols, 8(4), 709-720 (2013-03-16)
This protocol describes a growth medium-based approach for obtaining cochlear endothelial cells (ECs), pericytes (PCs) and perivascular resident macrophage-like melanocytes (PVM/Ms) from the stria vascularis of mice aged between P10 and P15 (P, postnatal day). The procedure does not involve
Maximiliano L Suster et al.
Nature protocols, 6(12), 1998-2021 (2011-12-03)
Bacterial artificial chromosomes (BACs) are widely used in studies of vertebrate gene regulation and function because they often closely recapitulate the expression patterns of endogenous genes. Here we report a step-by-step protocol for efficient BAC transgenesis in zebrafish using the
Richard Que et al.
Biomacromolecules, 15(10), 3540-3549 (2014-08-22)
Collagen is the most abundant protein in extracellular matrices and is commonly used as a tissue engineering scaffold. However, collagen and other biopolymers from native sources can exhibit limitations when tuning mechanical and biological properties. Cysteines do not naturally occur
Klaus Lehnert et al.
Scientific reports, 5, 8484-8484 (2015-02-27)
Selective breeding has strongly reduced the genetic diversity in livestock species, and contemporary breeding practices exclude potentially beneficial rare genetic variation from the future gene pool. Here we test whether important traits arising by new mutations can be identified and
Edward C Deehan et al.
Cell host & microbe, 27(3), 389-404 (2020-02-01)
Dietary fibers (DFs) impact the gut microbiome in ways often considered beneficial. However, it is unknown if precise and predictable manipulations of the gut microbiota, and especially its metabolic activity, can be achieved through DFs with discrete chemical structures. Using
Siniša Sić et al.
Journal of chromatography. A, 1408, 93-100 (2015-07-18)
Investigation of oligosaccharides attached to proteins as post-translational modification remains an important research field in the area of glycoproteomics as well as in biotechnology. The development of new tools for qualitative and quantitative analysis of glycans has gained high importance
Cláudia R Serra et al.
Scientific reports, 9(1), 6384-6384 (2019-04-24)
The gastrointestinal microbiota plays a critical role on host health and metabolism. This is particularly important in teleost nutrition, because fish do not possess some of the necessary enzymes to cope with the dietary challenges of aquaculture production. A main
Jun Zhou et al.
Journal of ethnopharmacology, 164, 229-238 (2015-02-24)
Rehmannia glutinosa (Gaertn.) DC. (RG) has been widely used as traditional Chinese herbal medicine for treatment of diabetes and its complications. The polysaccharide fraction of RG has been proposed to possess hypoglycemic effect by intraperitoneal administration, however, the mechanisms responsible
Elena Enzo et al.
The EMBO journal, 34(10), 1349-1370 (2015-03-23)
Increased glucose metabolism and reprogramming toward aerobic glycolysis are a hallmark of cancer cells, meeting their metabolic needs for sustained cell proliferation. Metabolic reprogramming is usually considered as a downstream consequence of tumor development and oncogene activation; growing evidence indicates
Lise Dauban et al.
Journal of structural biology, 208(2), 152-164 (2019-08-27)
Spatial organisation of chromosomes is a determinant of genome stability and is required for proper mitotic segregation. However, visualization of individual chromatids in living cells and quantification of their geometry, remains technically challenging. Here, we used live cell imaging to
Jingen Li et al.
Applied and environmental microbiology, 81(12), 4062-4070 (2015-04-05)
Limited uptake is one of the bottlenecks for l-arabinose fermentation from lignocellulosic hydrolysates in engineered Saccharomyces cerevisiae. This study characterized two novel l-arabinose transporters, LAT-1 from Neurospora crassa and MtLAT-1 from Myceliophthora thermophila. Although the two proteins share high identity
Hongxiang Sun et al.
Carbohydrate polymers, 121, 388-402 (2015-02-11)
The polysaccharide from the roots of Actinidia eriantha (AEPS), a potent antitumor agent and immunological adjuvant, was investigated for the immunomodulatory effects on RAW264.7 macrophages and its molecular mechanisms. AEPS could significantly enhance the pinocytic and phagocytic activity, induce the
Jennifer L Hoeflinger et al.
PloS one, 10(8), e0135494-e0135494 (2015-08-15)
Recently, prebiotic supplementation of infant formula has become common practice; however the impact on the intestinal microbiota has not been completely elucidated. In this study, neonatal piglets were randomized to: formula (FORM, n = 8), formula supplemented with 2 g/L
Mark S Lowenthal et al.
Analytical and bioanalytical chemistry, 407(18), 5453-5462 (2015-05-01)
Chromatographic separation of monosaccharides hydrolyzed from glycoconjugates or complex, aggregate biomaterials, can be achieved by classic analytical methods without a need for derivatizing the monosaccharide subunits. A simple and sensitive method is presented for characterizing underivatized monosaccharides following hydrolysis from
Josiane P Lafleur et al.
Lab on a chip, 15(10), 2162-2172 (2015-04-09)
A novel, rapid and simple method for the preparation of emulsion-templated monoliths in microfluidic channels based on thiol-ene chemistry is presented. The method allows monolith synthesis and anchoring inside thiol-ene microchannels in a single photoinitiated step. Characterization by scanning electron
Guang Zeng et al.
Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine, 36(9), 6781-6788 (2015-04-04)
In the present study, we isolated and characterized a homogenous polysaccharide (GIAP1) from the alkaline extract of the roots of Glycyrrhiza inflata. The anti-tumor activity of GIAP1 toward human oral cancer SCC-25 cells and the underlying mechanisms were also examined
S Coppenhagen-Glazer et al.
Infection and immunity, 83(3), 1104-1113 (2015-01-07)
Fusobacterium nucleatum is a common oral anaerobe involved in periodontitis that is known to translocate and cause intrauterine infections. In the oral environment, F. nucleatum adheres to a large diversity of species, facilitating their colonization and creating biological bridges that
Pung-Ho Kim et al.
Journal of chromatography. A, 1406, 231-243 (2015-07-05)
The economically-efficient separation of galactose, levulinic acid (LA), and 5-hydroxymethylfurfural (5-HMF) in acid hydrolyzate of agarose has been a key issue in the area of biofuel production from marine biomass. To address this issue, an optimal simulated moving bed (SMB)
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