منابع مشابه
Lead: Sweet Candy, Bitter Poison
Background: Colic (abdominal pain) is a clinical condition of serious concern affecting the welfare and survival of donkeys at the Donkey Sanctuary in the UK. One of the most commonly reported causes is due to impacted ingesta in the large intestine ("impaction colic"). However little is known about the incidence of, or risk factors for, this condition. Here we describe the epidemiology of coli...
متن کاملBitter-Sweet Processing in Larval Drosophila.
"Sweet-" and "bitter-" tasting substances distinctively support attractive and aversive choice behavior, respectively, and therefore are thought to be processed by distinct pathways. Interestingly, electrophysiological recordings in adult Drosophila suggest that bitter and salty tastants, in addition to activating bitter, salt, or bitter/salt sensory neurons, can also inhibit sweet-sensory neur...
متن کاملBitter-Sweet Solution in Taste Transduction
A contentious issue in taste research might have come to a close. Zhang et al., in this issue of Cell, provide broad support for the notion that the recognition of sweet, umami, and bitter tastes use the same signaling molecules. Moreover, they show that individual taste cells are dedicated to the transduction of only one of these three taste qualities.
متن کاملOut of the bitter came forth sweet
Programmed cell death 1 (PDCD1, best known as PD-1) is a central negative regulator of effector T cells that is involved in the etiology of chronic inflammatory conditions, viral diseases, and cancer. We have recently sought to improve T-cell functions by means of a novel chimeric co-stimulatory molecule that could divert the negative signals normally transmitted by PD-1 into positive ones. Hum...
متن کاملChemoreception: Tasting the sweet and the bitter
Our understanding of the molecular basis of taste transduction has lagged behind that of other senses, but now a signalling protein-the G protein alpha subunit gustducin-has been shown to be taste-tissue specific and essential for both bitter and sweet tastes.
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ژورنال
عنوان ژورنال: Contemporary Clinical Dentistry
سال: 2011
ISSN: 0976-237X
DOI: 10.4103/0976-237x.83063