Results 101 to 110 of about 374,227 (387)

Retraction Note: Receptor tyrosine kinase inhibitor Sunitinib and integrin antagonist peptide HM-3 show similar lipid raft dependent biphasic regulation of tumor angiogenesis and metastasis

open access: yesJournal of Experimental & Clinical Cancer Research, 2020
The authors have retracted this article [1] because the bands shown in Fig. 5 panel D for GTP-RhoA/Control, GTP-RhoA/Sunitinib (2 and 64 nM) and GTP-RhoA/HM-3 (4.5 and 72 uM) are not data generated as part of this study.
Jialiang Hu   +5 more
doaj   +1 more source

Green tea polyphenols reduce body weight in rats by modulating obesity-related genes. [PDF]

open access: yesPLoS ONE, 2012
Beneficial effects of green tea polyphenols (GTP) against obesity have been reported, however, the mechanism of this protection is not clear. Therefore, the objective of this study was to identify GTP-targeted genes in obesity using the high-fat-diet ...
Chuanwen Lu   +3 more
doaj   +1 more source

A continuous model for microtubule dynamics with catastrophe, rescue and nucleation processes

open access: yes, 2009
Microtubules are a major component of the cytoskeleton distinguished by highly dynamic behavior both in vitro and in vivo. We propose a general mathematical model that accounts for the growth, catastrophe, rescue and nucleation processes in the ...
A. Quarteroni   +6 more
core   +1 more source

An Allele of Glutamate Formiminotransferase Triggers 5‐Methyl‐Tetrahydrofolate‐to‐MeFox Conversion and Facilitates Folate Biofortification in Maize

open access: yesAdvanced Science, EarlyView.
This work demonstrates the distinct roles of the glutamate formiminotransferase (GFT) enzyme in plants. The GFT triggers the conversion of 5‐methyl‐tetrahydrofolate to MeFox in plants, a process distinct from its role as a formiminotransferase in mammals.
Tong Lian   +15 more
wiley   +1 more source

Assay for GTP Cyclohydrolase II Activity in Bacterial Extracts

open access: yesBio-Protocol, 2014
Riboflavin is the precursor of flavin nucleotides FMN and FAD, they play significant roles in all organisms. GTP is the initial precursor on riboflavin biosynthesis pathway and GTP cyclohydrolase II catalyzes the first step of this pathway.
Svetlana Yurgel   +3 more
doaj   +1 more source

A multidrug ABC transporter with a taste for GTP [PDF]

open access: yesScientific Reports, 2018
AbstractDuring the evolution of cellular bioenergetics, many protein families have been fashioned to match the availability and replenishment in energy supply. Molecular motors and primary transporters essentially need ATP to function while proteins involved in cell signaling or translation consume GTP.
Orelle, Cedric   +9 more
openaire   +5 more sources

Activation of Lysosomal Retrograde Transport Triggers TPC1‐IP3R1 Ca2+ Crosstalk at Lysosome‐ER MCSs Leading to Lethal Depleting of ER Calcium

open access: yesAdvanced Science, EarlyView.
The flavonoid compound LW‐213 exerts its antitumor effects through a novel mechanism involving lysosomal‐ER calcium regulation. Specifically, LW‐213 binds to LIMP2, which induces perinuclear clustering of lysosomes and facilitates calcium‐mediated lysosome‐ER interactions.
Meng‐yuan Zhu   +8 more
wiley   +1 more source

The DEC2‐SCN2A Axis is Essential for the Anticonvulsant Effects of Cannabidiol by Modulating Neuronal Plasticity

open access: yesAdvanced Science, EarlyView.
This study identifies DEC2 as a critical transcriptional repressor of Scn2a that directly binds E‐box motifs in its promoter to regulate neuronal plasticity and epileptogenesis. Functional manipulation of DEC2 alters seizure susceptibility in vivo. Cannabidiol enhances this repression, unveiling a novel DEC2‐SCN2A axis underlying its anticonvulsant ...
Huifang Song   +24 more
wiley   +1 more source

Persistent activation of transducin by bleached rhodopsin in salamander rods. [PDF]

open access: yes, 1996
The hydrolysis-resistant GTP analogue GTP-gamma-S was introduced into rods isolated from the retina of the salamander Ambystoma tigrinum to study the origin of the persistent excitation induced by intense bleaching illumination.
Cornwall, MC, Fain, GL, Matthews, HR
core  

Calcitonin Gene‐Related Peptide (CGRP)‐Expressing Neurons in the External Lateral Parabrachial Area Regulate Pain‐Induced Sleep Disturbances

open access: yesAdvanced Science, EarlyView.
Lynch et al., identified novel targets on the wake‐promoting pathways that can effectively treat pain‐induced sleep disturbances. The authors demonstrated that Calcitonin gene‐related peptide‐expressing neurons (CGRP) in the external lateral parabrachial nucleus (PBelCGRP) serve as the primary relay node for pain stimuli that cause sleep disruption ...
Nicole Lynch   +13 more
wiley   +1 more source

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