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Showing 1-30 of 1563 results for "OLIGO" within Papers
K Omichi et al.
Journal of biochemistry, 100(5), 1353-1358 (1986-11-01)
p-Nitrophenyl O-6-deoxy-6-[(2-pyridyl)amino]-alpha-D-glucopyranosyl-(1----4)-O-alpha- D-glucopyranosyl-(1----4)-O-alpha-D-glucopyranosyl-(1----4)-O-alpha-D- glucopyranosyl-(1----4)-alpha-D-glucopyranoside (FG5P) is hydrolyzed by human pancreatic a-amylase (HPA) or salivary alpha-amylase (HSA) to O-6-deoxy-6-[(2-pyridyl)amino]-alpha-D- glucopyranosyl-(1----4)-O-alpha-D-glucopyranosyl-(1----4)-D-glucose (FG3) and p-nitrophenyl alpha-maltoside or to O-6-deoxy-6-[(2-pyridyl)amino]-alpha-D-glucopyranosyl-(1----4)-O-alpha- D-glucopyranosyl-(1----4)-O-alpha-D-glucopyranosyl-(1----4)-D-glucose (FG4) and p-nitrophenyl alpha-glucoside. The use of alpha-D-glucosidase (maltase) [EC 3.2.1.20] of Saccharomyces
Jieru E Lin et al.
Cancer research, 76(2), 339-346 (2016-01-17)
Obesity is a well-known risk factor for colorectal cancer but precisely how it influences risks of malignancy remains unclear. During colon cancer development in humans or animals, attenuation of the colonic cell surface receptor guanylyl cyclase C (GUCY2C) that occurs
Chong He et al.
PLoS genetics, 10(12), e1004860-e1004860 (2014-12-19)
The common non-steroidal anti-inflammatory drug ibuprofen has been associated with a reduced risk of some age-related pathologies. However, a general pro-longevity role for ibuprofen and its mechanistic basis remains unclear. Here we show that ibuprofen increased the lifespan of Saccharomyces
Fuqiang Chen et al.
Nature methods, 8(9), 753-755 (2011-07-19)
Zinc-finger nucleases (ZFNs) have enabled highly efficient gene targeting in multiple cell types and organisms. Here we describe methods for using simple ssDNA oligonucleotides in tandem with ZFNs to efficiently produce human cell lines with three distinct genetic outcomes: (i)
Hyong Woo Choi et al.
PloS one, 10(11), e0143447-e0143447 (2015-11-26)
The plant hormone salicylic acid (SA) controls several physiological processes and is a key regulator of multiple levels of plant immunity. To decipher the mechanisms through which SA's multiple physiological effects are mediated, particularly in immunity, two high-throughput screens were
Yanli Ma et al.
PloS one, 7(10), e47961-e47961 (2012-11-01)
Aflatoxin B1 (AFB1) is a potent carcinogen that can induce hepatocellular carcinoma. AFB1-8,9-exo-epoxide, one of AFB1 metabolites, acts as a mutagen to react with DNA and induce gene mutations, including the tumor suppressor p53. In addition, AFB1 reportedly stimulates IGF
Bernd Zetsche et al.
Cell, 163(3), 759-771 (2015-10-01)
The microbial adaptive immune system CRISPR mediates defense against foreign genetic elements through two classes of RNA-guided nuclease effectors. Class 1 effectors utilize multi-protein complexes, whereas class 2 effectors rely on single-component effector proteins such as the well-characterized Cas9. Here
Lauren J Cator et al.
Scientific reports, 5, 11947-11947 (2015-07-15)
Malaria parasites alter mosquito feeding behaviour in a way that enhances parasite transmission. This is widely considered a prime example of manipulation of host behaviour to increase onward transmission, but transient immune challenge in the absence of parasites can induce
T N Wiegner et al.
Marine pollution bulletin, 114(2), 952-961 (2016-11-22)
Spatial and temporal patterns of coastal microbial pollution are not well documented. Our study examined these patterns through measurements of fecal indicator bacteria (FIB), nutrients, and physiochemical parameters in Hilo Bay, Hawai'i, during high and low river flow. >40% of
Leonel Armas-López et al.
Oncotarget, 8(40), 67056-67081 (2017-10-06)
Several homeobox-related gene (HOX) transcription factors such as mesenchyme HOX-2 (MEOX2) have previously been associated with cancer drug resistance, malignant progression and/or clinical prognostic responses in lung cancer patients; however, the mechanisms involved in these responses have yet to be
Eun Jung Thak et al.
Journal of microbiology (Seoul, Korea), 56(1), 11-23 (2018-01-05)
Protein glycosylation, the most universal and diverse post-translational modification, can affect protein secretion, stability, and immunogenicity. The structures of glycans attached to proteins are quite diverse among different organisms and even within yeast species. In yeast, protein glycosylation plays key
Jong-Hyun Jung et al.
Biochemical and biophysical research communications, 483(1), 115-121 (2017-01-04)
Among members of the glycoside hydrolase (GH) family, sucrose isomerase (SIase) and oligo-1,6-glucosidase (O16G) are evolutionarily closely related even though their activities show different specificities. A gene (Avin_08330) encoding a putative SIase (AZOG: Azotobacterglucocosidase) from the nitrogen-fixing bacterium Azotobacter vinelandii
Sachi Kuranuki et al.
Journal of nutritional science and vitaminology, 52(5), 347-351 (2006-12-28)
It is postulated that dietary carbohydrates and thyroid hormones are major regulators for expression of the lactase/phlorizin hydrolase (LPH) gene in rat jejunum. In this study, we investigated the effects of thyroid hormones and dietary sucrose on LPH gene expression
Elizabeth Barber et al.
Nature protocols, 17(12), 2882-2919 (2022-10-01)
Carbohydrate digestion in the mammalian gastrointestinal tract is catalyzed by α-amylases and α-glucosidases to produce monosaccharides for absorption. Inhibition of these enzymes is the major activity of the drugs acarbose and miglitol, which are used to manage diabetes. Furthermore, delaying
Y Suzuki et al.
European journal of biochemistry, 245(1), 129-136 (1997-04-01)
alpha-Glucosidase II of the facultative thermophile Bacillus thermoamyloliquefaciens KP1071 (FERM-P8477; growth over 30-66 degrees C) was purified to a homogeneous state. Its M(r) was estimated as 90000 by SDS/PAGE. However, the enzyme behaved as an active Mr 540000 protein on
Xin Xu et al.
Scientific reports, 10(1), 15178-15178 (2020-09-18)
We have previously discovered that heated honey but not unheated honey could induce the secretion of granulocyte-colony stimulating factor (G-CSF) in the MCE301 intestinal epithelial cells. The objective of this study was to identify compounds in honey that could contribute
Fabrice Escaffit et al.
Biochemical and biophysical research communications, 342(1), 66-72 (2006-02-17)
The homeobox gene Cdx2 is involved in the regulation of the expression of intestine specific markers such as sucrase-isomaltase and lactase-phlorizin hydrolase. Previous studies performed with immortalized or transformed intestinal cell lines have provided evidence that Cdx2 can promote morphological
Lyann Sim et al.
The Journal of biological chemistry, 285(23), 17763-17770 (2010-04-02)
Human maltase-glucoamylase (MGAM) and sucrase-isomaltase (SI) are small intestinal enzymes that work concurrently to hydrolyze the mixture of linear alpha-1,4- and branched alpha-1,6-oligosaccharide substrates that typically make up terminal starch digestion products. MGAM and SI are each composed of duplicated
C Huet et al.
The Journal of cell biology, 105(1), 345-357 (1987-07-01)
A clone HT29-18 has been isolated from the parent cell line HT-29, which derived from a human colon adenocarcinoma (Fogh, J., and G. Trempe, 1975, Human Tumor Cells in Vitro, J. Fogh, editor, Plenum Publishing Corp., New York, 115-141). This
Srijayaprakash B Uppada et al.
International journal of nanomedicine, 9, 43-53 (2014-01-07)
Oligonucleotides homologous to 3'-telomere overhang (T-oligos) trigger inherent telomere-based DNA damage responses mediated by p53 and/or ATM and induce senescence or apoptosis in various cancerous cells. However, T-oligo has limited stability in vivo due to serum and intracellular nucleases. To
Srijayaprakash B Uppada et al.
International journal of nanomedicine, 9, 43-53 (2014-01-07)
Oligonucleotides homologous to 3'-telomere overhang (T-oligos) trigger inherent telomere-based DNA damage responses mediated by p53 and/or ATM and induce senescence or apoptosis in various cancerous cells. However, T-oligo has limited stability in vivo due to serum and intracellular nucleases. To
Lijiao Kan et al.
Food chemistry, 361, 130047-130047 (2021-05-25)
Inhibition of maltase, sucrase, isomaltase and glucoamylase activity by acarbose, epigallocatechin gallate, epicatechin gallate and four polyphenol-rich tea extract from white, green, oolong, black tea, were investigated by using rat intestinal enzymes and human Caco-2 cells. Regarding rat intestinal enzyme
Kimie Asanuma-Date et al.
The Journal of biological chemistry, 287(27), 23104-23118 (2012-05-16)
Porcine pancreatic α-amylase (PPA) binds to N-linked glycans of glycoproteins (Matsushita, H., Takenaka, M., and Ogawa, H. (2002) J. Biol Chem., 277, 4680-4686). Immunostaining revealed that PPA is located at the brush-border membrane (BBM) of enterocytes in the duodenum and
Luke Wojdyla et al.
Biochemical and biophysical research communications, 446(2), 596-601 (2014-03-19)
In the United States, there will be an estimated 96,830 new cases of colorectal cancer (CRC) and 50,310 deaths in 2014. CRC is often detected at late stages of the disease, at which point there is no effective chemotherapy. Thus
Atsushi Tamura et al.
Journal of biomaterials science. Polymer edition, 28(10-12), 1124-1139 (2017-03-17)
We developed stimuli-labile polyrotaxanes (PRXs) composed of β-cyclodextrin (β-CD), Pluronic as an axle polymer, and acid-cleavable N-triphenylmethyl groups as bulky stopper molecules, and found that the PRXs are potent therapeutics for Niemann-Pick type C disease, because the PRX can effectively
Yingjuan Liu et al.
Marine drugs, 16(3) (2018-03-07)
Parkinson's disease (PD) is a neurodegenerative movement disorder that is caused by a selective loss of dopaminergic neurons. Current PD treatments provide symptomatic relief but do not prevent or decelerate disease progression. Previous studies have suggested that acetylated and phosphorylated
Xiaoli Wei et al.
Clinical genetics, 100(4), 376-385 (2021-06-08)
Oligo-astheno-teratozoospermia (OAT) is a common cause of male infertility, and most of idiopathic OAT patients are thought to be caused by genetic defects. Here, we recruited 38 primary infertile patients with the OAT phenotype and 40 adult men with proven
Debojyoti Das et al.
Bio-protocol, 11(14), e4088-e4088 (2021-08-17)
Circular RNAs (circRNAs) are a large family of noncoding RNA molecules that have emerged as novel regulators of gene expression by sequestering microRNAs (miRNAs) and RNA-binding proteins (RBPs). Several computational tools have been developed to predict circRNA interaction with target
Jun Mitsuhashi et al.
Enzyme and microbial technology, 75-76, 10-17 (2015-06-07)
Di-, tri-, and tetra-tyrosine peptides with angiotensin I-converting enzyme inhibitory activity were synthesized by papain-catalyzed polymerization of L-tyrosine ethyl ester in aqueous media at 30 °C. Varying the reaction pH from 6.0 to 7.5 and the initial concentration of the
Jiming Jiang
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 27(3), 153-165 (2019-03-11)
Fluorescence in situ hybridization (FISH) was developed more than 30 years ago and has been the most paradigm-changing technique in cytogenetic research. FISH has been used to answer questions related to structure, mutation, and evolution of not only individual chromosomes but
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