Results 61 to 70 of about 26,899 (190)

Occurrence of Tetrodotoxin in Bivalves and Gastropods from Harvesting Areas and Other Natural Spaces in Spain

open access: yesToxins, 2019
Tetrodotoxin (TTX) is a potent neurotoxin that is receiving increasing interest in the European Union because it has been found in different fishery products (fish, bivalves and gastropods) captured in European waters.
Lucía Blanco   +5 more
doaj   +1 more source

Differential segment‐specific signalling pathways for guanylate cyclase C‐activated anion secretion in murine ileocolon

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract Background and Purpose Guanylate cyclase‐C (GC‐C) is the receptor for endogenous (uro)guanylin peptides, bacterial toxins and pharmacological analogues. Receptor activation leads to intestinal fluid loss, but also activates an antiproliferative pathway and is a promising target in colorectal cancer therapy.
Renjie Xiu   +4 more
wiley   +1 more source

Tetrodotoxin and Its Analogues in the Pufferfish Arothron hispidus and A. nigropunctatus from the Solomon Islands: A Comparison of Their Toxin Profiles with the Same Species from Okinawa, Japan

open access: yesToxins, 2015
Pufferfish poisoning has not been well documented in the South Pacific, although fish and other seafood are sources of protein in these island nations. In this study, tetrodotoxin (TTX) and its analogues in each organ of the pufferfish Arothron hispidus ...
Clyde Gorapava Puilingi   +4 more
doaj   +1 more source

Cancer pain: current practice and emerging targets

open access: yesBritish Journal of Pharmacology, EarlyView.
Cancer pain (CP) arises from a complex interplay between the tumour and its microenvironment. Many patients experience a mixed pain phenotype that encompasses nociceptive, neuropathic and neuroinflammatory mechanisms, and vary across tumour type and disease stage. Despite decades of intensive research, the mainstay of cancer pain treatment is still non‐
Yi Ye   +5 more
wiley   +1 more source

Alternative Methods for the Detection of Emerging Marine Toxins: Biosensors, Biochemical Assays and Cell-Based Assays

open access: yesMarine Drugs, 2014
The emergence of marine toxins in water and seafood may have a considerable impact on public health. Although the tendency in Europe is to consolidate, when possible, official reference methods based on instrumental analysis, the development of ...
Laia Reverté   +4 more
doaj   +1 more source

Peripheral targets for neuropathic pain

open access: yesBritish Journal of Pharmacology, EarlyView.
Neuropathic pain represents a significant clinical challenge, with still limited pharmacological approaches to symptomatic relief. This review focuses on molecular targets implicated in neuropathic pain, particularly those involved in peripheral mechanisms. Using the IUPHAR/BPS database of biological targets, their occurrence together with ‘neuropathic
Amirhossein Afsharipour   +3 more
wiley   +1 more source

New Gastropod Vectors and Tetrodotoxin Potential Expansion in Temperate Waters of the Atlantic Ocean

open access: yesMarine Drugs, 2012
Tetrodotoxin is a potent low weight marine toxin found in warm waters, especially of the Indian and Pacific Oceans. Intoxications are usually linked to the consumption of the puffer fish, although TTX was already detected in several different edible taxa.
Vítor Vasconcelos   +5 more
doaj   +1 more source

Inhibition of late sodium current prevents pathological hyperactivation of calcium/calmodulin‐dependent protein kinase IIδ in a murine model of acute doxorubicin‐related cardiotoxicity

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract Background and Purpose Doxorubicin (DOX) is a highly effective anthracycline, whose clinical application for cancer is limited by cardiotoxicity. The mechanisms underlying doxorubicin‐induced toxic cardiomyopathy (DICM) involve electrophysiological remodelling with intracellular Na+ overload because of increased late INa and hyperactivation of
Anna‐Lena Feder   +7 more
wiley   +1 more source

Serotonin engages divergent 5‐HT receptor pathways for cell type‐resolved modulation of prefrontal layer 5 microcircuits

open access: yesBritish Journal of Pharmacology, EarlyView.
Serotonin differentially modulates layer 5 mPFC microcircuits through cell type‐specific pre‐ and postsynaptic receptor pathways. Presynaptic 5‐HT1BRs suppress glutamate and GABA release, whereas presynaptic and postsynaptic 5‐HT3ARs enhance fast‐spiking interneuron activity, whilst distinct pyramidal neuron subtypes exhibit divergent 5‐HT1AR‐ and 5 ...
Ramya Rama   +4 more
wiley   +1 more source

Potentiation effects of the positive allosteric modulator PTC‐174 on NMDA receptors in neonatal male rat substantia nigra dopaminergic neurons

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract Background and Purpose Positive allosteric modulators bind to secondary binding sites on the receptor and alter receptor conformation and activation, changing agonist potency and efficacy. PTC‐174 is a novel NMDA receptor positive allosteric modulator that particularly enhances activity of receptors containing GluN2C or GluN2D subunits.
Bangyuan Liu, Alasdair J. Gibb
wiley   +1 more source

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