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O4511

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Fernando Huete-Toral et al.
The Journal of pharmacology and experimental therapeutics, 352(1), 119-128 (2014-10-26)
Melatonin and its analog 5-MCA-NAT (5-methylcarboxyamino-N-acetyl tryptamine) are active compounds reducing intraocular pressure (IOP). This action is mediated through MT2 and the putative MT3 melatonin receptor, producing a transient reduction of IOP that lasts for a few hours and has...
Lauy Al-Anati et al.
Chemico-biological interactions, 219, 159-167 (2014-06-24)
TCDD, polychlorinated biphenyls (PCB) and polycyclic aromatic hydrocarbons (PAH) coexist in the environment. However, there are few studies on combined effects of these compounds. We have studied the effect of TCDD, PCB153 and estradiol on p53 signaling induced by PAHs....
P O Bogatcheva et al.
Bulletin of experimental biology and medicine, 154(3), 316-319 (2013-03-14)
Calmodulin inhibitor W-7 did not cause changes in the quantal content of postsynaptic end-plate potentials (EPP) in newly formed synapses, but prevented facilitation of acetylcholine secretion induced by L-type Ca(2+)channels blocker nitrendipine. CaMKII inhibitor KN-62 produced similar effect and suppressed...
Cristóbal de Los Ríos et al.
Journal of medicinal chemistry, 53(14), 5129-5143 (2010-06-26)
1,8-Naphthyridine derivatives related to 17 (ITH4012), a neuroprotective compound reported by our research group, have been synthesized. In general, they have shown better inhibition of acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) than most tacrine derivatives previously synthesized in our laboratory. The...
Limin Chen et al.
PloS one, 9(7), e103033-e103033 (2014-07-23)
The M2 subtype Acute Myeloid Leukemia (AML-M2) with t(8;21) represents an unmet challenge because of poor clinical outcomes in a sizable portion of patients. In this study,we report that FTY720 (Fingolimod), a sphingosine analogue and an FDA approved drug for...
Celia López-Menéndez et al.
Human molecular genetics, 22(3), 466-482 (2012-11-03)
Failures in neurotrophic support and signalling play key roles in Alzheimer's disease (AD) pathogenesis. We previously demonstrated that downregulation of the neurotrophin effector Kinase D interacting substrate (Kidins220) by excitotoxicity and cerebral ischaemia contributed to neuronal death. This downregulation, triggered...
Dave J Koss et al.
Cellular and molecular life sciences : CMLS, 72(23), 4613-4632 (2015-06-14)
Patients suffering from tauopathies including frontotemporal dementia (FTD) and Alzheimer's disease (AD) present with intra-neuronal aggregation of microtubule-associated protein Tau. During the disease process, Tau undergoes excessive phosphorylation, dissociates from microtubules and aggregates into insoluble neurofibrillary tangles (NFTs), accumulating in...
Enyu Rao et al.
Oncotarget, 6(10), 7944-7958 (2015-03-12)
A number of studies have linked AMPK, a major metabolic sensor coordinating of multiple cellular functions, to tumor development and progression. However, the exact role of AMPK in tumor development is still controversial. Here we report that activation of AMPK...
Hailong Hou et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(42), 14006-14012 (2014-10-17)
NMDA receptor signaling plays a complex role in CREB activation and CREB-mediated gene transcription, depending on the subcellular location of NMDA receptors, as well as how strongly they are activated. However, it is not known whether Rac1, the prototype of...
Zhi Zhang et al.
Journal of molecular endocrinology, 53(2), 145-154 (2014-07-02)
Vascular extracellular matrix (ECM) remodelling, which is the result of disruption in the balance of ECM synthesis and degradation, induces vessel fibrosis and thereby leads to hypertension. Leptin is known to promote tissue fibrosis, while adiponectin has recently been demonstrated...
J J Fernández et al.
Current medicinal chemistry, 9(2), 229-262 (2002-02-28)
One of the most interesting groups of substances of marine origin, from structural and pharmacological points of view are polyether toxins, which generally present a great diversity in size and potent biological activities. The subject of this review is limited...
Shintaro Iwashita et al.
Bioscience reports, 35(4), doi:10-doi:10 (2015-07-17)
The BCNT (Bucentaur) superfamily is classified by an uncharacteristic conserved sequence of ∼80 amino acids (aa) at the C-terminus, BCNT-C (the conserved C-terminal region of Bcnt/Cfdp1). Whereas the yeast Swc5 and Drosophila Yeti homologues play crucial roles in chromatin remodelling...
Chao Wang et al.
Nature communications, 6, 6607-6607 (2015-03-31)
Pez functions as an upstream negative regulator of Yorkie (Yki) to regulate intestinal stem cell (ISC) proliferation and is essential for the activity of the Hippo pathway specifically in the Drosophila midgut epithelium. Here we report that Suppressor of Deltex...
Alvaro Souto Padron et al.
The Journal of endocrinology, 221(3), 415-427 (2014-04-03)
In general, 3,5-diiodothyronine (3,5-T2) increases the resting metabolic rate and oxygen consumption, exerting short-term beneficial metabolic effects on rats subjected to a high-fat diet. Our aim was to evaluate the effects of chronic 3,5-T2 administration on the hypothalamus-pituitary-thyroid axis, body...
Chun-Yu Liu et al.
Breast cancer research : BCR, 16(5), 431-431 (2014-09-18)
Tamoxifen, a selective estrogen receptor (ER) modulator, may affect cancer cell survival through mechanisms other than ER antagonism. In the present study, we tested the efficacy of tamoxifen in a panel of ER-negative breast cancer cell lines and examined the...
Marisela R Rodriguez et al.
Journal of virology, 88(16), 9277-9286 (2014-06-06)
Human noroviruses (HuNoV) are the leading cause of nonbacterial gastroenteritis worldwide. Similar to HuNoV, murine noroviruses (MNV) are enteric pathogens spread via the fecal-oral route and have been isolated from numerous mouse facilities worldwide. Type I and type II interferons...
Tamara S Vilches et al.
Marine drugs, 10(10), 2234-2245 (2012-11-22)
The dinoflagellate Prorocentrum belizeanum is responsible for the production of several toxins involved in the red tide phenomenon known as Diarrhetic Shellfish Poisoning (DSP). In this paper we report on the biosynthetic origin of an okadaic acid water-soluble ester derivative...
Susanne Hellmuth et al.
The EMBO journal, 33(10), 1134-1147 (2014-05-02)
The universal triggering event of eukaryotic chromosome segregation is cleavage of centromeric cohesin by separase. Prior to anaphase, most separase is kept inactive by association with securin. Protein phosphatase 2A (PP2A) constitutes another binding partner of human separase, but the...
Hirota Fujiki et al.
Journal of cancer research and clinical oncology, 139(10), 1603-1614 (2013-06-13)
The classic two-stage chemical carcinogenesis in rodents is not directly linked to multistage carcinogenesis in humans. In light of our findings that tumor necrosis factor-α (TNF-α) is an endogenous tumor promoter and that TNF-α-inducing protein (Tipα) of Helicobacter pylori stimulates...
Dong Hoon Han et al.
Nature communications, 5, 5633-5633 (2014-12-06)
The 26S proteasome is the primary machinery that degrades ubiquitin (Ub)-conjugated proteins, including many proteotoxic proteins implicated in neurodegeneraton. It has been suggested that the elevation of proteasomal activity is tolerable to cells and may be beneficial to prevent the...
M A Battistone et al.
Molecular human reproduction, 19(9), 570-580 (2013-05-01)
In all mammalian species studied so far, sperm capacitation correlates with an increase in protein tyrosine (Tyr) phosphorylation mediated by a bicarbonate-dependent cAMP/protein kinase A (PKA) pathway. Recent studies in mice revealed, however, that a Src family kinase (SFK)-induced inactivation...
Maria Francisca Arteaga et al.
Cancer cell, 23(3), 376-389 (2013-03-23)
While all-trans retinoic acid (ATRA) treatment in acute promyelocytic leukemia (APL) has been the paradigm of targeted therapy for oncogenic transcription factors, the underlying mechanisms remain largely unknown, and a significant number of patients still relapse and become ATRA resistant....
Md Mostafizur Rahman et al.
Scientific reports, 5, 10063-10063 (2015-05-20)
PP2A is a master controller of multiple inflammatory signaling pathways. It is a target in asthma; however the molecular mechanisms by which PP2A controls inflammation warrant further investigation. In A549 lung epithelial cells in vitro we show that inhibition of...
Takeshi Nakajima et al.
American journal of respiratory cell and molecular biology, 51(2), 294-299 (2014-03-20)
Acute lung injury (ALI) is characterized by pulmonary inflammation and edema. Innate immune cells (e.g., neutrophils and macrophages) are major contributors to inflammation in ALI. Less is known regarding the role of T cells. We examined the effects of rapamycin...
Damir Alzhanov et al.
Physiological genomics, 47(11), 559-568 (2015-09-04)
Growth hormone (GH) plays a central role in regulating somatic growth and in controlling multiple physiological processes in humans and other vertebrates. A key agent in many GH actions is the secreted peptide, IGF-I. As established previously, GH stimulates IGF-I...
Hyperphosphorylation of PP2A in colorectal cancer and the potential therapeutic value showed by its forskolin-induced dephosphorylation and activation.
Cristobal I, Rincon R, Manso R, et al.
Biochimica et Biophysica Acta, 1842(9), 1823-1829 (2014)
Mounia SidAhmed-Mezi et al.
PloS one, 9(6), e100612-e100612 (2014-06-27)
GABAA receptor (GABAAR) function is maintained by an endogenous phosphorylation mechanism for which the glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH) is the kinase. This phosphorylation is specific to the long intracellular loop I2 of the α1 subunit at two identified serine...
A S Pivovarov et al.
Zhurnal vysshei nervnoi deiatelnosti imeni I P Pavlova, 63(2), 256-268 (2013-07-23)
Effects of some inhibitors of serine/threonine and tyrosine protein phosphatases on the depression and spontaneous recovery of the acetylcholine-induced inward current (ACh-current) in command Helix neurons of defensive behavior at the cellular correlate of habituation were investigated. The following drugs...
Sherzad K Rashid et al.
PloS one, 9(5), e97458-e97458 (2014-05-17)
Portal hypertension characterized by generalized vasodilatation with endothelial dysfunction affecting nitric oxide (NO) and endothelium-dependent hyperpolarization (EDH) has been suggested to involve bacterial translocation and/or the angiotensin system. The possibility that ingestion of probiotics prevents endothelial dysfunction in rats following...
Se Won Park et al.
American journal of physiology. Gastrointestinal and liver physiology, 307(8), G863-G870 (2014-09-06)
Rab proteins (Ras homologous for brain) play an important role in vesicle trafficking. Rab4 and Rab11 are involved in vesicular trafficking to the plasma membrane from early endosomes and recycling endosomes, respectively. Tauroursodeoxycholate (TUDC) and cAMP increase bile formation, in...
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