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显示 1-30 #N/A 358 条结果 关于 "P0380" 范围 论文
Avishai Avni et al.
Frontiers in plant science, 11, 879-879 (2020-07-28)
Growth retardation and stress-induced premature plant senescence are accompanied by a severe yield reduction and raise a major agro-economic concern. To improve biomass and yield in agricultural crops under mild stress conditions, the survival must be changed to productivity mode.
Alissa D Guarnaccia et al.
Cell reports, 34(3), 108636-108636 (2021-01-21)
The chromatin-associated protein WDR5 is a promising pharmacological target in cancer, with most drug discovery efforts directed against an arginine-binding cavity in WDR5 called the WIN site. Despite a clear expectation that WIN site inhibitors will alter the repertoire of
Angela T S Wyse et al.
Metabolic brain disease, 26(3), 159-172 (2011-06-07)
Proline is an amino acid with an essential role for primary metabolism and physiologic functions. Hyperprolinemia results from the deficiency of specific enzymes for proline catabolism, leading to tissue accumulation of this amino acid. Hyperprolinemic patients can present neurological symptoms
Guoyao Wu et al.
Amino acids, 40(4), 1053-1063 (2010-08-11)
Proline plays important roles in protein synthesis and structure, metabolism (particularly the synthesis of arginine, polyamines, and glutamate via pyrroline-5-carboxylate), and nutrition, as well as wound healing, antioxidative reactions, and immune responses. On a per-gram basis, proline plus hydroxyproline are
Shankumar Mooyottu et al.
International journal of food microbiology, 192, 111-116 (2014-12-03)
Clostridium difficile is a pathogen of significant public health concern causing a life-threatening, toxin-mediated enteric disease in humans. The incidence and severity of the disease associated with C. difficile have increased in the US with the emergence of hypervirulent strains
K Kuchta et al.
Die Pharmazie, 68(7), 534-540 (2013-08-09)
Stachydrine ((2S)-1,1-dimethylpyrrolidinium-2-carboxylic acid) may be regarded as an essential active principle of the aerial parts of Leonurus japonicus Houtt. (Leonuri herba, yimucao; Chin.Ph., DAB) which are used in TCM and Kampo for the treatment of various gynaecological and cardiovascular disorders.
Maritta Küspert et al.
RNA (New York, N.Y.), 21(7), 1294-1305 (2015-05-24)
mRNAs are key molecules in gene expression and subject to diverse regulatory events. Regulation is accomplished by distinct sets of trans-acting factors that interact with mRNAs and form defined mRNA-protein complexes (mRNPs). The resulting "mRNP code" determines the fate of
Lu Zhang et al.
Journal of bacteriology, 197(3), 431-440 (2014-11-12)
The oxidation of l-proline to glutamate in Gram-negative bacteria is catalyzed by the proline utilization A (PutA) flavoenzyme, which contains proline dehydrogenase (PRODH) and Δ(1)-pyrroline-5-carboxylate (P5C) dehydrogenase domains in a single polypeptide. Previous studies have suggested that aside from providing
Mark Mapstone et al.
Nature medicine, 20(4), 415-418 (2014-03-13)
Alzheimer's disease causes a progressive dementia that currently affects over 35 million individuals worldwide and is expected to affect 115 million by 2050 (ref. 1). There are no cures or disease-modifying therapies, and this may be due to our inability
Christoph B Messner et al.
Proceedings of the National Academy of Sciences of the United States of America, 114(28), 7403-7407 (2017-06-28)
The evolutionary origins of metabolism, in particular the emergence of the sugar phosphates that constitute glycolysis, the pentose phosphate pathway, and the RNA and DNA backbone, are largely unknown. In cells, a major source of glucose and the large sugar
Kathryn Futrega et al.
Biomaterials, 62, 1-12 (2015-05-27)
Microwell platforms are frequently described for the efficient and uniform manufacture of 3-dimensional (3D) multicellular microtissues. Multiple partial or complete medium exchanges can displace microtissues from discrete microwells, and this can result in either the loss of microtissues from culture
Jonathan Martinez-Fabregas et al.
STAR protocols, 2(2), 100417-100417 (2021-04-20)
Stable isotope labeling by amino acid-based high-resolution phosphoproteomics is a powerful technique that allows for direct comparison of cells stimulated under different experimental conditions. This feature makes it the ideal methodology to identify cytokine signaling networks. Here, we present an
Mark G Jones et al.
Clinica chimica acta; international journal of clinical chemistry, 361(1-2), 150-158 (2005-07-05)
Previous work by others have suggested the occurrence of one or more chemical or metabolic 'markers' for ME/CFS including specific amino acids and organic acids and a number of unidentified compounds (CFSUM1, CFSUM2). We have shown elsewhere that CFSUM1 is
Benjamin B Minkoff et al.
Radiation research, 191(5), 447-459 (2019-03-09)
To identify modifications to amino acids that are directly induced by ionizing radiation, free amino acids and 3-residue peptides were irradiated using a linear accelerator (Linac) radiotherapy device. Mass spectrometry was performed to detail the relative sensitivity to radiation as
Katherine A Glass et al.
Biomaterials, 35(22), 5921-5931 (2014-04-29)
The pathogenesis of osteoarthritis is mediated in part by inflammatory cytokines including interleukin-1 (IL-1), which promote degradation of articular cartilage and prevent human mesenchymal stem cell (MSC) chondrogenesis. In this study, we combined gene therapy and functional tissue engineering to
R A Wevers et al.
Clinical chemistry, 40(7 Pt 1), 1245-1250 (1994-07-01)
Although spin-echo techniques are often used to obtain 1H-NMR spectra of serum or plasma samples, they do not provide reliable quantitative analyses of metabolites. We present a standardized procedure, optimized for sensitivity, for using single-pulse 1H-NMR spectroscopy to analyze deproteinized
Ritesh Ranjan Pal et al.
Cell, 177(3), 683-696 (2019-04-02)
Microbiota and intestinal epithelium restrict pathogen growth by rapid nutrient consumption. We investigated how pathogens circumvent this obstacle to colonize the host. Utilizing enteropathogenic E. coli (EPEC), we show that host-attached bacteria obtain nutrients from infected host cell in a process we
Jasmin Hotzy et al.
The Journal of biological chemistry, 288(51), 36492-36501 (2013-11-12)
Excitatory amino acid transporters (EAATs) are crucial for glutamate homeostasis in the mammalian central nervous system. They are not only secondary active glutamate transporters but also function as anion channels, and different EAATs vary considerably in glutamate transport rates and
Guo-Shiang Huang et al.
Biomaterials, 65, 154-162 (2015-07-15)
Adipose-derived adult stem cells (ASCs) have gained much attention because of their multipotency and easy access. Here we describe a novel chitosan-based selection (CS) system instead of the conventional plastic adherence (PA) to obtain the primary ASCs. The minimal amount
J G Sykes et al.
European cells & materials, 35, 255-267 (2018-05-02)
High hopes have been pinned on regenerative medicine strategies in order to prevent the progression of cartilage damage to osteoarthritis, particularly by autologous chondrocyte implantation (ACI). The loss of chondrocyte phenotype during in vitro monolayer expansion, a necessary step to
Marco Scocchi et al.
Cellular and molecular life sciences : CMLS, 68(13), 2317-2330 (2011-05-20)
Proline-rich antimicrobial peptides are a group of cationic host defense peptides of vertebrates and invertebrates characterized by a high content of proline residues, often associated with arginine residues in repeated motifs. Those isolated from some mammalian and insect species, although
Zhe Yang et al.
Cell research, 28(10), 1013-1025 (2018-09-14)
Adequate protein intake is crucial for the survival and well-being of animals. How animals assess prospective protein sources and ensure dietary amino acid intake plays a critical role in protein homeostasis. By using a quantitative feeding assay, we show that
Wencai Qi et al.
Biochemical and biophysical research communications, 450(2), 1010-1015 (2014-06-28)
It has been established that gamma rays at low doses stimulate the tolerance to salt stress in plants. However, our knowledge regarding the molecular mechanism underlying the enhanced salt tolerance remains limited. In this study, we found that 50-Gy gamma
Tsung-Lin Tsai et al.
The spine journal : official journal of the North American Spine Society, 14(9), 2127-2140 (2014-06-03)
Intervertebral disc (IVD) degeneration often causes back pain. Current treatments for disc degeneration, including both surgical and nonsurgical approaches, tend to compromise the disc movement and cannot fully restore functions of the IVD. Instead, cell-based IVD tissue engineering seems promising
Paul J Kennedy et al.
Psychopharmacology, 232(8), 1357-1371 (2014-10-24)
A visuospatial episodic memory impairment has recently been identified in irritable bowel syndrome. Increased tryptophan metabolism along the kynurenine pathway has also been reported in irritable bowel syndrome, which may play a role in altered cognitive performance as peripheral kynurenine
K J Bär et al.
Neurobiology of aging, 24(2), 333-338 (2002-12-25)
Increasing evidence suggests an interaction of oxidative stress and the formation of advanced glycation end products (AGE) in the onset and progression of Alzheimer's disease. We studied levels of pentosidine and N(epsilon)-(carboxymethyl)-lysine (CML) in serum and cerebrospinal fluid (CSF) of
Kevin Guo et al.
Analytical chemistry, 81(10), 3919-3932 (2009-03-25)
We report a new quantitative metabolome profiling technique based on differential (12)C-/(13)C-isotope dansylation labeling of metabolites, fast liquid chromatography (LC) separation and electrospray ionization Fourier-transform ion cyclotron resonance mass spectrometry (ESI-FTICR MS) detection. An isotope reagent, (13)C-dansyl chloride, can be
Ryushi Kawakami et al.
Applied microbiology and biotechnology, 93(1), 83-93 (2011-11-18)
Dye-linked L-proline dehydrogenase (ProDH) catalyzes the oxidation of L-proline to ∆(1)-pyrroline-5-carboxylate (P5C) in the presence of artificial electron acceptors. The enzyme is known to be widely distributed in bacteria and eukarya, together with nicotinamide adenine dinucleotide (phosphate)-dependent P5C dehydrogenase, and
Nopporn Sawatjui et al.
Materials science & engineering. C, Materials for biological applications, 52, 90-96 (2015-05-09)
Tissue engineering is becoming promising for cartilage repair due to the limited self-repair capacity of cartilage tissue. We previously fabricated and characterized a three-dimensional silk fibroin/gelatin-chondroitin sulfate-hyaluronic acid (SF-GCH) scaffold and showed that it could promote proliferation of human bone
Betul Kul Babur et al.
Cell and tissue research, 361(3), 755-768 (2015-05-01)
Engineered biphasic osteochondral tissues may have utility in cartilage defect repair. As bone-marrow-derived mesenchymal stem/stromal cells (MSC) have the capacity to make both bone-like and cartilage-like tissues, they are an ideal cell population for use in the manufacture of osteochondral
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