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Results for "Caffeine": Pubmed ( 23,531 ) | Free Full Text ( 1,037 ) | U.S. Grants ( 364 )

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Caffeine prevents disruption of memory consolidation in the inhibitory avoidance and novel object recognition tasks by scopolamine in adult mice.

Behav Brain Res 2010,Dec,25;214(2):254-9; (PMID: 20553765)
Caffeine is a psychostimulant with positive effects on cognition. Recent studies have suggested the participation of the cholinergic system in the effects of [...]

Chronic caffeine treatment during prepubertal period confers long-term cognitive benefits in adult spontaneously hypertensive rats (SHR), an animal model of attention deficit hyperactivity disorder (ADHD).

Behav Brain Res 2010,Dec,20;215(1):39-44; (PMID: 20600342)
[...]) since it displays behavioural and neurochemical features of ADHD. Increasing evidence suggests that caffeine might represent an important therapeutic tool for the treatment of ADHD and we recently demonstrated that the acute administration of [...]

Development of a method for nondestructive NIR transmittance spectroscopic analysis of acetaminophen and caffeine anhydrate in intact bilayer tablets.

J Pharm Biomed Anal 2010,Nov,02;53(3):396-402; (PMID: 20547027)
[...] and caffeine anhydrate were used as APIs, and tablets were made by the direct compression method. Their NIR spectra were measured in the transmittance mode. The reference assay was performed by [...]

Gambogic acid triggers DNA damage signaling that induces p53/p21(Waf1/CIP1) activation through the ATR-Chk1 pathway.

Cancer Lett 2010,Oct,01;296(1):55-64; (PMID: 20413215)
[...] in variety of cancer cell lines. However, GA-induced p53 activation could be partially reversed by caffeine, a PI3k inhibitor. Therefore, questions of whether GA induces post-translational modifications of p53 and subsequent activation of [...]

Pentoxifylline in preterm neonates: a systematic review.

Paediatr Drugs 2010,Oct,01;12(5):301-11; (PMID: 20799759)
[...] downregulates pro-inflammatory cytokines such as tumor necrosis factor-alpha, interleukin-6, and interferon-gamma. Methylxanthines, including caffeine, theophylline, and theobromine are relatively non-toxic drugs; of these, theobromine is the least toxic.[...]

A novel mechanism, uniquely dependent on mitochondrial calcium accumulation, whereby peroxynitrite promotes formation of superoxide/hydrogen peroxide and the ensuing strand scission of genomic DNA.

Antioxid Redox Signal 2010,Sep,15;13(6):745-56; (PMID: 20136509)
[...] Ca(2+) accumulation, and specific respiratory-chain inhibitors. The results obtained were validated by experiments performed with intact cells, by using caffeine (Cf ) to promote mitochondrial Ca(2+) accumulation. Under these conditions, low concentrations of peroxynitrite[...]

The properties of spontaneous transient inward currents of interstitial cells in rabbit portal vein.

Eur J Pharmacol 2010,Sep,15;643(1):63-9; (PMID: 20599931)
[...] (NMDG(+)) also blocked the inward currents. The inward currents were abolished by caffeine, carbonyl cyanide p-(trifluoromethoxy) phenylhydrazone (FCCP), thapsigargin and ryanodine, but were partly inhibited by [...]

Controlling surface porosity and release from hydrogels using a colloidal particle coating.

J Colloid Interface Sci 2010,Sep,15;349(2):498-504; (PMID: 20579657)
[...]We find that the presence of a colloidal shell does indeed reduce the rate of transport of three model molecules: Aspirin, caffeine, and FITC-dextran with MW of approximately 3000-5000. Contrary to expectation, however, we find that for all three molecules the reduction in transport rate is largely independent of the dimensions of the particles composing the shell, despite differences that range over three orders of magnitude.[...]

Parallel stacking of caffeine with riboflavin in aqueous solutions: the potential mechanism for hydrotropic solubilization of riboflavin.

Int J Pharm 2010,Sep,15;397(1-2):36-43; (PMID: 20600716)
[...]This study employed molecular dynamics simulation to investigate solute interactions of a model system consisting of a hydrotropic agent, caffeine (CAF), a poorly water-soluble solute, riboflavin (RBF), and water. The study demonstrates that [...]

Application of a microfluidic sperm sorter to the in-vitro fertilization of porcine oocytes reduced the incidence of polyspermic penetration.

Theriogenology 2010,Sep,15;74(5):863-70; (PMID: 20537694)
[...]Boar spermatozoa were diluted at 1 x 10(8) cells/mL with a diluent containing 20% seminal fluid and flowed with modified TCM-199 (mM199, with 5 mM caffeine) to introduce motile sperm into the exit chamber for IVF. In Experiment 1, after flowing for 5 min, sperm concentration varied significantly among specific sites within the MFSS collecting chamber (range, 0.8 +/- 0.5 x 10(4) to 575.0 +/- 56.3 x 10(4) cells/mL; mean +/- SEM).[...]
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