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Phedias Diamandis et al.
Nature chemical biology, 3(5), 268-273 (2007-04-10)
The identification of self-renewing and multipotent neural stem cells (NSCs) in the mammalian brain holds promise for the treatment of neurological diseases and has yielded new insight into brain cancer. However, the complete repertoire of signaling pathways that governs the
Toshihiko Sugiki et al.
Biochemical and biophysical research communications, 441(2), 493-498 (2014-01-03)
Amyloid-β (Aβ) proteins, which consist of 42 amino acids (Aβ1–42), are the major constituent of neuritic plaques that form in the brains of senile patients with Alzheimer’s disease (AD). Several reports state that three aspartic acid (Asp) residues at positions
Masashi Adachi et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 76, 225-230 (2015-05-20)
Formulation development of poorly water-soluble compounds can be challenging because of incomplete dissolution that causes low and variable bioavailability. Enhancing compound solubility is important and many techniques have been investigated to that end, but they require specific materials and machinery.
Mizuki Kuboki et al.
Biochemical and biophysical research communications, 456(3), 810-814 (2014-12-17)
DTCM-glutarimide (DTCM-G) is a newly found anti-inflammatory agent. In the course of experiments with lymphoma cells, we found that DTCM-G induced specific RelB cleavage. Anticancer agent vinblastine also induced the specific RelB cleavage in human fibrosarcoma HT1080 cells. The site-directed
Manuel Neeb et al.
Journal of medicinal chemistry, 57(13), 5554-5565 (2014-06-24)
Drug molecules should remain uncharged while traveling through the body and crossing membranes and should only adopt charged state upon protein binding, particularly if charge-assisted interactions can be established in deeply buried binding pockets. Such strategy requires careful pKa design
Ken H Darzy et al.
The Journal of clinical endocrinology and metabolism, 91(3), 987-994 (2005-12-31)
In patients with severe radiation-induced GH deficiency, we previously demonstrated that pulsatile GH secretion and diurnal rhythm are maintained in the fed state, albeit with great attenuation of the pulse amplitude. However, it remained unclear whether stressing the hypothalamic-pituitary axis
Breanne P Cuddington et al.
Journal of virology, 88(12), 6885-6895 (2014-04-04)
Oncolytic viruses (OVs) are attractive avenues of cancer therapy due to the absence of toxic side effects often seen with current treatment modalities. Bovine herpesvirus 1 (BHV-1) is a species-specific virus that does not induce cytotoxicity in normal primary human
Vladimir N Noskov et al.
Biological procedures online, 13(1), 8-8 (2011-10-11)
We describe here a method to rapidly convert any desirable DNA fragment, as small as 100 bp, into long tandem DNA arrays up to 140 kb in size that are inserted into a microbe vector. This method includes rolling-circle phi29
Velia Minicozzi et al.
The Journal of biological chemistry, 289(16), 11242-11252 (2014-03-04)
In this work we present and compare the results of extensive molecular dynamics simulations of model systems comprising an Aβ1-40 peptide in water in interaction with short peptides (β-sheet breakers) mimicking the 17-21 region of the Aβ1-40 sequence. Various systems
Christian Janke et al.
Biochemistry, 52(16), 2750-2763 (2013-04-17)
Retinylidene photoreceptors are ubiquitously present in marine protists as first documented by the identification of green proteorhodopsin (GPR). We present a detailed investigation of a rhodopsin from the protist Oxyrrhis marina (OR1) with respect to its spectroscopic properties and to
Bin Cao et al.
Biomaterials, 64, 21-32 (2015-06-27)
While cell condensation has been thought to enhance chondrogenesis, no direct evidence so far confirms that cell-cell contact itself increases chondrogenic differentiation of stem cells, since the change of cell-cell contact is usually coupled with those of other cell geometry
Sara Haines et al.
PloS one, 10(10), e0141469-e0141469 (2015-10-31)
Colonization factors (CFs) mediate early adhesion of Enterotoxigenic Escherichia coli (ETEC) in the small intestine. Environmental signals including bile, glucose, and contact with epithelial cells have previously been shown to modulate CF expression in a strain dependent manner. To identify
A K Batta et al.
Journal of lipid research, 30(12), 1953-1962 (1989-12-01)
We have studied the effect of ursodeoxycholic acid on the serum and urinary bile acids in seven patients with moderate to severe primary biliary cirrhosis. Bile acids were characterized by gas-liquid chromatography-mass spectrometry and quantified by capillary gas-liquid chromatography. Serum
Hao Tang et al.
PloS one, 10(7), e0131569-e0131569 (2015-07-07)
For more than thirty years, scutellarin (Scu) has been used in China to clinically treat acute cerebral infarction and paralysis. Scutellarein (Scue), the major Scu metabolite in vivo, exhibits heightened neuroprotective effects when compared to Scu. To explore the neuroprotective
Nurunisa Akyuz et al.
Nature, 518(7537), 68-73 (2015-02-06)
Glutamate transporters terminate neurotransmission by clearing synaptically released glutamate from the extracellular space, allowing repeated rounds of signalling and preventing glutamate-mediated excitotoxicity. Crystallographic studies of a glutamate transporter homologue from the archaeon Pyrococcus horikoshii, GltPh, showed that distinct transport domains
Tamami Uejima et al.
Acta crystallographica. Section D, Biological crystallography, 69(Pt 3), 345-351 (2013-03-23)
Rab small GTPases regulate vesicle transport in eukaryotes by interacting with various effectors. Guanine nucleotide-exchange factor (GEF) catalyzes the transition from inactive GDP-bound Rab to active GTP-bound Rab. The existence of several GDP-bound intermediates containing the Arabidopsis thaliana Rab5 homologue
Veronica H Flood et al.
Blood, 121(18), 3742-3744 (2013-03-23)
The diagnosis of von Willebrand disease (VWD) is complicated by issues with current laboratory testing, particularly the ristocetin cofactor activity assay (VWF:RCo). We have recently reported a sequence variation in the von Willebrand factor (VWF) A1 domain, p.D1472H (D1472H), associated
J K Nicholson et al.
The Biochemical journal, 217(2), 365-375 (1984-01-15)
Resonances for the ketone bodies 3-D-hydroxybutyrate, acetone and acetoacetate are readily detected in serum, plasma and urine samples from fasting and diabetic subjects by 1H n.m.r. spectroscopy at 400 MHz. Besides the simultaneous observation of metabolites, the major advantage of
L H Voronkov et al.
Likars'ka sprava, (8)(8), 36-42 (2013-06-22)
The article presents data regarding links of I/D angiotensin-converting enzyme (ACE) gene polymorphism and structural changes in the myocardium and predictive value in chronic heart failure (CHF). We did not find association of I/D ACE gene polymorphism and structural changes
J P Casazza et al.
Alcohol and alcoholism (Oxford, Oxfordshire). Supplement, 1, 607-609 (1987-01-01)
Plasma 1,2-propanediol, D,L,-2,3-butanediol and 2,3-meso-butanediol were measured in 29 patients with biopsy proven alcoholic cirrhosis and 10 control subjects, none of whom had measurable blood alcohol levels. None of these compounds were present in control subjects at level above 5
Xiaoyang Guan et al.
Organic letters, 15(24), 6128-6131 (2013-11-26)
Human galanin-like peptide (hGALP) is a newly discovered hypothalamic peptide that plays important roles in the regulation of food intake and energy balance. Here, we demonstrate that the aspartic acid ligation can be employed to achieve an efficient synthesis of
Carl H Rose et al.
Obstetrics and gynecology, 104(5 Pt 1), 1011-1014 (2004-11-02)
We reviewed the impact of intravenous high-dose corticosteroid administration for preterm hemolysis, elevated liver enzymes, low platelets (HELLP) syndrome on vaginal delivery rate and degree of clinically significant thrombocytopenia. Retrospective analysis of 1991-2000 HELLP syndrome (platelets < 100,000/uL, lactate dehydrogenase
Oliver Wahl et al.
Journal of pharmaceutical and biomedical analysis, 102, 100-109 (2014-09-30)
Magnesium supplementation in form of organic magnesium salts is a very popular practice. We examined the enantiomeric purity of "Magnesium aspartate dihydrate" monographed in the European Pharmacopeia. A chiral capillary zone electrophoresis using (2-hydroxypropyl)-β-cyclodextrin coupled to laser induced fluorescence detection
Baohai Shao et al.
The Journal of biological chemistry, 280(32), 29311-29321 (2005-06-22)
Using myeloperoxidase and hydrogen peroxide, activated neutrophils produce high local concentrations of hypochlorous acid (HOCl). They also secrete cathepsin G, a serine protease implicated in cytokine release, receptor activation, and degradation of tissue proteins. Isolated cathepsin G was inactivated by
Michaela M Kraus et al.
Life sciences, 102(1), 49-54 (2014-03-13)
Thalamostriatal fibers are involved in cognitive tasks such as acquisition, learning, processing of sensory events, and behavioral flexibility and might play a role in Parkinson's disease. The aim of the present study was the in vivo electrochemical characterization of the
T M Kuvaeva et al.
Prikladnaia biokhimiia i mikrobiologiia, 49(2), 155-163 (2013-06-26)
The genes encoding putative L-aspartate dehydrogenases (EC 1.4.1.21, ADH) from the mesophilic nitrogen-fixing bacteria Rhodopseudomonas palustris and Bradyrhizobium japonicum were cloned and expressed in Escherichia coli. The respective enzymes in the form of hybrid proteins with N-terminal hexahistidine tags were
Rim Benali-Cherif et al.
Acta crystallographica. Section C, Structural chemistry, 70(Pt 7), 689-692 (2014-07-06)
Two polymorphs of L-aspartic acid hydrochloride, C4H8NO4(+)·Cl(-), were obtained from the same aqueous solution. Their crystal structures have been determined from single-crystal data collected at 100 K. The crystal structures revealed three- and two-dimensional hydrogen-bonding networks for the triclinic and orthorhombic
David S Wishart et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 871(2), 164-173 (2008-05-27)
With continuing improvements in analytical technology and an increased interest in comprehensive metabolic profiling of biofluids and tissues, there is a growing need to develop comprehensive reference resources for certain clinically important biofluids, such as blood, urine and cerebrospinal fluid
A N Fonteh et al.
Amino acids, 32(2), 213-224 (2006-10-13)
Our aim was to determine changes in free amino acid (FAA) and dipeptide (DP) concentrations in probable Alzheimer's disease (pAD) subjects compared with control (CT) subjects using liquid chromatography and electrospray ionization tandem mass spectrometry (LCMS2). We recruited gender- and
C Härnryd et al.
Psychopharmacology, 64(2), 131-134 (1979-08-08)
The effect of ECT on concentrations of monoamine metabolites in lumbar CSF of psychotic women with a schizophrenic symptomatology was examined. After a series of ECT there was a significant reduction of the concentration of the major noradrenaline metabolite, MOPEG.
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