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Showing 1 to 12 of 41 entries
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Hyperactivation of the habenula as a link between depression and sleep disturbance.

Frontiers in human neuroscience

Aizawa H, Cui W, Tanaka K, Okamoto H.
PMID: 24339810
Front Hum Neurosci. 2013 Dec 10;7:826. doi: 10.3389/fnhum.2013.00826.

Depression occurs frequently with sleep disturbance such as insomnia. Sleep in depression is associated with disinhibition of the rapid eye movement (REM) sleep. Despite the coincidence of the depression and sleep disturbance, neural substrate for depressive behaviors and sleep...

Commentary: Role of VEGF, Nitric Oxide, and Sympathetic Neurotransmitters in the Pathogenesis of Tendinopathy: A Review of the Current Evidences.

Frontiers in aging neuroscience

Dean BJ.
PMID: 28377711
Front Aging Neurosci. 2017 Mar 21;9:60. doi: 10.3389/fnagi.2017.00060. eCollection 2017.

No abstract available.

Biological sources of inflexibility in brain and behavior with aging and neurodegenerative diseases.

Frontiers in systems neuroscience

Hong SL, Rebec GV.
PMID: 23226117
Front Syst Neurosci. 2012 Nov 30;6:77. doi: 10.3389/fnsys.2012.00077. eCollection 2012.

Almost unequivocally, aging and neurodegeneration lead to deficits in neural information processing. These declines are marked by increased neural noise that is associated with increased variability or inconsistency in behavioral patterns. While it is often viewed that these problems...

Effects of Phosphorylation in Chlamydomonas Centrin Ser 167.

Calcium binding proteins

Sanoguet Z, Campbell M, Ramos S, Seda C, Moreno LP, Pastrana-Rios B.
PMID: 22162668
Calcium Bind Proteins. 2006;1(2):108-114.

Centrin is a conserved calcium binding protein belonging to the EF-hand superfamily with two independent structural domains. This protein is found to be phosphorylated near the carboxyl terminal end. Our goal was to perform a novel comparative study of...

Molecular Anatomy of Plant Photoprotective Switches: The Sensitivity of PsbS to the Environment, Residue by Residue.

The journal of physical chemistry letters

Liguori N, Campos SRR, Baptista AM, Croce R.
PMID: 30908067
J Phys Chem Lett. 2019 Apr 18;10(8):1737-1742. doi: 10.1021/acs.jpclett.9b00437. Epub 2019 Mar 29.

Under strong sunlight, plants avoid photooxidation by quenching the excess absorbed energy. Quenching is triggered by PsbS, a membrane protein that is activated and deactivated by the light-dependent pH changes in the thylakoid lumen. The mechanism of action of...

The Effect of Atorvastatin on Obsessive-compulsive Symptoms of Refractory Obsessive-compulsive Disorder (Add-on Therapy).

Advanced biomedical research

Akouchekian S, Omranifard V, Moshfegh P, Maracy MR, Almasi A.
PMID: 29930930
Adv Biomed Res. 2018 May 29;7:90. doi: 10.4103/abr.abr_114_16. eCollection 2018.

BACKGROUND: Considering the effect of statins on the regulation of dopamine neurotransmitters and glutamates and importance of the treatment of obsessive-compulsive disorder (OCD) due to its relatively high prevalence and disability of available drugs in treatment of many patients,...

Re-evaluation of glutamic acid (E 620), sodium glutamate (E 621), potassium glutamate (E 622), calcium glutamate (E 623), ammonium glutamate (E 624) and magnesium glutamate (E 625) as food additives.

EFSA journal. European Food Safety Authority

, Mortensen A, Aguilar F, Crebelli R, Di Domenico A, Dusemund B, Frutos MJ, Galtier P, Gott D, Gundert-Remy U, Leblanc JC, Lindtner O, Moldeus P, Mosesso P, Parent-Massin D, Oskarsson A, Stankovic I, Waalkens-Berendsen I, Woutersen RA, Wright M, Younes M, Boon P, Chrysafidis D, Gürtler R, Tobback P, Altieri A, Rincon AM, Lambré C.
PMID: 32625571
EFSA J. 2017 Jul 12;15(7):e04910. doi: 10.2903/j.efsa.2017.4910. eCollection 2017 Jul.

The EFSA Panel on Food Additives and Nutrient Sources added to Food (ANS) provides a scientific opinion re-evaluating the safety of glutamic acid-glutamates (E 620-625) when used as food additives. Glutamate is absorbed in the intestine and it is...

Photoactivatable AMPA for the study of glutamatergic neuronal transmission using two-photon excitation.

Organic & biomolecular chemistry

Deodato D, Asad N, Dore TM.
PMID: 34086030
Org Biomol Chem. 2021 Jun 30;19(25):5589-5594. doi: 10.1039/d1ob01006a.

We report a photoactivatable agonist of the AMPA subtype of ionotropic glutamate receptors, TMP-CyHQ-AMPA, which was designed to study the fast excitatory transmission between neurons. Upon visible light excitation, TMP-CyHQ-AMPA quantitatively released AMPA in high quantum yield on an...

Cation and Anion Channelrhodopsins: Sequence Motifs and Taxonomic Distribution.

mBio

Govorunova EG, Sineshchekov OA, Li H, Wang Y, Brown LS, Palmateer A, Melkonian M, Cheng S, Carpenter E, Patterson J, Wong GK, Spudich JL.
PMID: 34281394
mBio. 2021 Aug 31;12(4):e0165621. doi: 10.1128/mBio.01656-21. Epub 2021 Jul 20.

Cation and anion channelrhodopsins (CCRs and ACRs, respectively) primarily from two algal species, Chlamydomonas reinhardtii and Guillardia theta, have become widely used as optogenetic tools to control cell membrane potential with light. We mined algal and other protist polynucleotide...

Substrate Enolate Intermediate and Mimic Captured in the Active Site of Streptomyces coelicolor Methylmalonyl-CoA Epimerase*.

Chembiochem : a European journal of chemical biology

Stunkard LM, Benjamin AB, Bower JB, Huth TJ, Lohman JR.
PMID: 34856049
Chembiochem. 2021 Dec 01; doi: 10.1002/cbic.202100487. Epub 2021 Dec 01.

Methylmalonyl-CoA epimerase (MMCE) is proposed to use general acid-base catalysis, but the proposed catalytic glutamic acids are highly asymmetrical in the active site unlike many other racemases. To gain insight into the puzzling relationships between catalytic mechanism, structure, and...

Enantioenriched α-substituted glutamates/pyroglutamates via enantioselective cyclopropenimine-catalyzed Michael addition of amino ester imines.

Beilstein journal of organic chemistry

Seibel ZM, Bandar JS, Lambert TH.
PMID: 34476014
Beilstein J Org Chem. 2021 Aug 17;17:2077-2084. doi: 10.3762/bjoc.17.134. eCollection 2021.

A procedure for the enantioselective synthesis of α-substituted glutamates and pyroglutamates via a cyclopropenimine-catalyzed Michael addition of amino ester imines is described. Enantioselectivities of up to 94% have been achieved, and a variety of functional groups were found to...

Potential Role of Methotrexate Polyglutamates in Therapeutic Drug Monitoring for Pediatric Inflammatory Bowel Disease.

Pharmaceuticals (Basel, Switzerland)

Morrow R, Funk R, Becker M, Sherman A, Van Haandel L, Hudson T, Casini R, Shakhnovich V.
PMID: 34069031
Pharmaceuticals (Basel). 2021 May 14;14(5). doi: 10.3390/ph14050463.

Inside cells, the immunomodulator methotrexate (MTX) undergoes the addition of glutamates to form methotrexate polyglutamates (MTX-Glu)-promising biomarkers of systemic exposure and treatment response to MTX in rheumatology. MTX-Glu are underexplored in Inflammatory Bowel Disease (IBD), with no data in...

Showing 1 to 12 of 41 entries