keyword
MENU ▼
Read by QxMD icon Read
search

Taste buds

keyword
https://www.readbyqxmd.com/read/28053191/extraoral-bitter-taste-receptors-in-health-and-disease
#1
REVIEW
Ping Lu, Cheng-Hai Zhang, Lawrence M Lifshitz, Ronghua ZhuGe
Bitter taste receptors (TAS2Rs or T2Rs) belong to the superfamily of seven-transmembrane G protein-coupled receptors, which are the targets of >50% of drugs currently on the market. Canonically, T2Rs are located in taste buds of the tongue, where they initiate bitter taste perception. However, accumulating evidence indicates that T2Rs are widely expressed throughout the body and mediate diverse nontasting roles through various specialized mechanisms. It has also become apparent that T2Rs and their polymorphisms are associated with human disorders...
January 4, 2017: Journal of General Physiology
https://www.readbyqxmd.com/read/28029722/taste-function-assessed-by-electrogustometry-in-burning-mouth-syndrome-a-case-control-study
#2
Adeline Braud, Vianney Descroix, Marie-Noëlle Ungeheuer, Catherine Rougeot, Yves Boucher
OBJECTIVE: Idiopathic Burning mouth syndrome (iBMS) is characterized by oral persistent pain without any clinical or biological abnormality. The aim of the present study was to evaluate taste function in iBMS subjects and healthy controls. MATERIAL AND METHODS: Electrogustometric thresholds (EGMt) were recorded in 21 iBMS patients and 21 paired matched controls at nine loci of the tongue assessing fungiform and foliate gustatory papillae function. Comparison of EGMt was performed using the non-parametric Wilcoxon signed-rank test...
December 28, 2016: Oral Diseases
https://www.readbyqxmd.com/read/28026010/temperature-and-light-conditions-at-different-latitudes-affect-sensory-quality-of-broccoli-florets-brassica-oleracea-l-var-italica
#3
Tor J Johansen, Jørgen Ab Mølmann, Gunnar B Bengtsson, Monica Schreiner, Pablo Velasco, Anne L Hykkerud, Elena Cartea, Per Lea, Josefine Skaret, Randi Seljåsen
BACKGROUND: Broccoli (Brassica oleracea L. var. italica) is a popular vegetable grown at a wide range of latitudes. Plants were grown in 2009-2011 in pots with standardized soil, irrigation and nutrient supply at natural temperature and light conditions at four locations (42-70 °N). A descriptive sensory analysis of broccoli florets was performed by a trained panel to examine any differences along the latitudinal gradient for 30 attributes within appearance, odour, taste/flavour and texture...
December 27, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28009451/sonic-hedgehog-is-present-in-parotid-saliva-and-is-decreased-in-patients-with-taste-dysfunction
#4
Robert I Henkin, Alexandra B Knöppel, Mona Abdelmeguid, William A Stateman, Suzanna Hosein
PURPOSE: To demonstrate that sonic hedgehog (Shh) is present in human parotid saliva and is decreased in human taste dysfunction. METHODS: Shh was measured in parotid saliva of 27 normal subjects and 81 patients with taste dysfunction of multiple etiologies by use of a sensitive spectrophotometric ELISA assay. Taste dysfunction was defined clinically by both subjective decreases of taste acuity and flavor perception and by impaired gustometry. RESULTS: Shh was found in parotid saliva in both normal subjects and in patients with taste dysfunction...
December 23, 2016: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/27990675/the-tongue-dorsal-surface-in-fish-a-comparison-among-three-farmed-species
#5
REVIEW
M Levanti, A Germanà, G Montalbano, M C Guerrera, M Cavallaro, F Abbate
The oral cavity of vertebrates has a very important role in many functions strictly related to the food processing. Two species, sea bass Dicentrarchus labrax and seabream Sparus aurata, are mainly involved in the aquaculture industry in the mediterranean area; moreover, the white seabream Diplodus sargus sargus was recently chosen as the best candidate for the diversification of species of commercial interest. This investigation was carried out, using the standard procedures for light and scanning electron microscopy, to analyse the morphology of the tongue dorsal surface in order to show whether relationships are present between the tongue morphology and the nutritional choices of these species...
December 19, 2016: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/27940992/selective-deletion-of-sodium-salt-taste-during-development-leads-to-expanded-terminal-fields-of-gustatory-nerves-in-the-adult-mouse-nucleus-of-the-solitary-tract
#6
Chengsan Sun, Edith Hummler, David L Hill
: Neuronal activity plays a key role in the development of sensory circuits in the mammalian brain. In the gustatory system, experimental manipulations now exist, through genetic manipulations of specific taste transduction processes, to examine how specific taste qualities (i.e., basic tastes) impact the functional and structural development of gustatory circuits. Here, we used a mouse knockout model in which the transduction component used to discriminate sodium salts from other taste stimuli was deleted in taste bud cells throughout development...
December 9, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27930309/sox2-progenitors-in-sharks-link-taste-development-with-the-evolution-of-regenerative-teeth-from-denticles
#7
Kyle J Martin, Liam J Rasch, Rory L Cooper, Brian D Metscher, Zerina Johanson, Gareth J Fraser
Teeth and denticles belong to a specialized class of mineralizing epithelial appendages called odontodes. Although homology of oral teeth in jawed vertebrates is well supported, the evolutionary origin of teeth and their relationship with other odontode types is less clear. We compared the cellular and molecular mechanisms directing development of teeth and skin denticles in sharks, where both odontode types are retained. We show that teeth and denticles are deeply homologous developmental modules with equivalent underlying odontode gene regulatory networks (GRNs)...
December 20, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27893742/maintenance-of-taste-organs-is-strictly-dependent-on-epithelial-hedgehog-gli-signaling
#8
Alexandre N Ermilov, Archana Kumari, Libo Li, Ariell M Joiner, Marina A Grachtchouk, Benjamin L Allen, Andrzej A Dlugosz, Charlotte M Mistretta
For homeostasis, lingual taste papilla organs require regulation of epithelial cell survival and renewal, with sustained innervation and stromal interactions. To investigate a role for Hedgehog/GLI signaling in adult taste organs we used a panel of conditional mouse models to manipulate GLI activity within epithelial cells of the fungiform and circumvallate papillae. Hedgehog signaling suppression rapidly led to taste bud loss, papilla disruption, and decreased proliferation in domains of papilla epithelium that contribute to taste cells...
November 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27870442/contributory-role-of-sex-differences-in-the-variations-of-gustatory-function
#9
REVIEW
Louis J Martin, Suzanne I Sollars
Remarkable variability between males and females occurs for an array of taste-guided behaviors in both rodents and humans. Sex differences have been noted for taste preference, detection thresholds, and reactivity to taste stimuli. Manipulating sex hormones during early postnatal development or altering the amount of circulating estrogen in adulthood can dramatically alter the pattern of these behaviors. Receptors for sex hormones appear to be prominent in several nuclei associated with central gustatory pathways, indicating that steroid hormones may modulate central taste processing...
January 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27853250/labeling-and-analysis-of-chicken-taste-buds-using-molecular-markers-in-oral-epithelial-sheets
#10
Prasangi Rajapaksha, Zhonghou Wang, Nandakumar Venkatesan, Kayvan F Tehrani, Jason Payne, Raymond L Swetenburg, Fuminori Kawabata, Shoji Tabata, Luke J Mortensen, Steven L Stice, Robert Beckstead, Hong-Xiang Liu
In chickens, the sensory organs for taste are the taste buds in the oral cavity, of which there are ~240-360 in total number as estimated by scanning electron microscopy (SEM). There is not an easy way to visualize all taste buds in chickens. Here, we report a highly efficient method for labeling chicken taste buds in oral epithelial sheets using the molecular markers Vimentin and α-Gustducin. Immediate tissue fixation following incubation with sub-epithelially injected proteases enabled us to peel off whole epithelial sheets, leaving the shape and integrity of the tissue intact...
November 17, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27829143/touch-receptors-undergo-rapid-remodeling-in-healthy-skin
#11
Kara L Marshall, Rachel C Clary, Yoshichika Baba, Rachel L Orlowsky, Gregory J Gerling, Ellen A Lumpkin
Sensory tissues exposed to the environment, such as skin, olfactory epithelia, and taste buds, continuously renew; therefore, peripheral neurons must have mechanisms to maintain appropriate innervation patterns. Although somatosensory neurons regenerate after injury, little is known about how these neurons cope with normal target organ changes. To elucidate neuronal plasticity in healthy skin, we analyzed the structure of Merkel-cell afferents, which are gentle touch receptors, during skin remodeling that accompanies mouse hair-follicle regeneration...
November 8, 2016: Cell Reports
https://www.readbyqxmd.com/read/27806254/taste-receptors-and-gustatory-associated-g-proteins-in-channel-catfish-ictalurus-punctatus
#12
Sen Gao, Shikai Liu, Jun Yao, Tao Zhou, Ning Li, Qi Li, Rex Dunham, Zhanjiang Liu
Taste sensation plays a pivotal role in nutrient identification and acquisition. This is particularly true for channel catfish (Ictalurus punctatus) that live in turbid waters with limited visibility. This biological process is mainly mediated by taste receptors expressed in taste buds that are distributed in several organs and tissues, including the barbels and skin. In the present study, we identified a complete repertoire of taste receptor and gustatory associated G protein genes in the channel catfish genome...
October 23, 2016: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/27797725/morphology-and-distribution-of-taste-papillae-and-oral-denticles-in-the-developing-oropharyngeal-cavity-of-the-bamboo-shark-chiloscyllium-punctatum
#13
Carla J L Atkinson, Kyle J Martin, Gareth J Fraser, Shaun P Collin
Gustation in sharks is not well understood, especially within species that ingest food items using suction. This study examines the morphological and immunohistochemical characterisation of taste papillae and oral denticles in the oropharynx of the brown-banded bamboo shark Chiloscyllium punctatum and compares their distribution during development. Taste papillae of C. punctatum are located throughout the oropharyngeal region and are most concentrated on the oral valves (2125-3483 per cm(2) in embryos; 89-111 per cm(2) in mature adults) close to the tooth territories...
December 15, 2016: Biology Open
https://www.readbyqxmd.com/read/27797544/do-psychopathic-individuals-possess-a-misaligned-moral-compass-a-meta-analytic-examination-of-psychopathy-s-relations-with-moral-judgment
#14
Julia Marshall, Ashley L Watts, Scott O Lilienfeld
Psychopathic individuals are often characterized as lacking a moral sense. Although this hypothesis has received ample experimental attention over the past decade, findings have been inconsistent. To elucidate the relationship between psychopathy and abnormal moral judgment, we conducted a meta-analysis of the research on psychopathy and morality-related variables (k = 23, N = 4376). A random effects model indicated a small but statistically significant relation between psychopathy and moral decision-making (rw = ...
October 31, 2016: Personality Disorders
https://www.readbyqxmd.com/read/27787515/ap1-transcription-factors-are-required-to-maintain-the-peripheral-taste-system
#15
Jayasha Shandilya, Yankun Gao, Tapan K Nayak, Stefan G E Roberts, Kathryn F Medler
The sense of taste is used by organisms to achieve the optimal nutritional requirement and avoid potentially toxic compounds. In the oral cavity, taste receptor cells are grouped together in taste buds that are present in specialized taste papillae in the tongue. Taste receptor cells are the cells that detect chemicals in potential food items and transmit that information to gustatory nerves that convey the taste information to the brain. As taste cells are in contact with the external environment, they can be damaged and are routinely replaced throughout an organism's lifetime to maintain functionality...
October 27, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27746765/chilli-anthracnose-the-epidemiology-and-management
#16
Amrita Saxena, Richa Raghuwanshi, Vijai Kumar Gupta, Harikesh B Singh
Indian cuisine is renowned and celebrated throughout the world for its spicy treat to the tongue. The flavor and aroma of the food generated due to the use of spices creates an indelible experience. Among the commonly utilized spices to stimulate the taste buds in Indian food, whole or powdered chilli constitutes an inevitable position. Besides being a vital ingredient of of Indian food, chilli occupy an important position as an economic commodity, a major share in Indian economy. Chilli also has uncountable benefits to human health...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27743264/a-pain-in-the-bud-implications-of-cross-modal-sensitivity-for-pain-experience
#17
Monica Perkins, Marien de Bruyne, Melita J Giummarra
There is growing evidence that enhanced sensitivity to painful clinical procedures and chronic pain are related to greater sensitivity to other sensory inputs, such as bitter taste. We examined cross-modal sensitivities in two studies. Study 1 assessed associations between bitter taste sensitivity, pain tolerance, and fear of pain in 48 healthy young adults. Participants were classified as non-tasters, tasters and super-tasters using a bitter taste test (6-n-propythiouracil; PROP). The latter group had significantly higher fear of pain (Fear of Pain Questionnaire) than tasters (p=...
November 2016: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/27725147/corrigendum-to-acid-sensing-ion-channels-and-transient-receptor-potential-ion-channels-in-zebrafish-taste-buds-ann-anat-207c-2016-32-37
#18
M Levanti, B Randazzo, E Viña, G Montalbano, O Garcia-Suarez, A Germanà, J A Vega, F Abbate
No abstract text is available yet for this article.
November 2016: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/27706460/alteration-of-taste-buds-in-experimental-cirrhosis-is-there-correlation-with-human-hypogeusia
#19
Sabrina Alves Fernandes, Silvia Bona, Carlos Thadeu Schmidt Cerski, Norma Possa Marroni, Claudio Augusto Marroni
Background: The inherent complications of cirrhosis include protein-calorie malnutrition and micronutrient deficiencies.Changes in taste are detrimental to the nutritional status, and the mechanism to explain these changes is not well documented in the cirrhotic patients. Objective: To evaluate the taste buds of cirrhotic rats. Methods: Fourteen male Wistar rats were evaluated. After 16 weeks, the liver was removed to histologically diagnose cirrhosis, and blood was collected to perform liver integrity tests...
October 2016: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/27680547/chemosensory-epithelial-cells-in-the-urethra-sentinels-of-the-urinary-tract
#20
REVIEW
Klaus Deckmann, Wolfgang Kummer
A peculiar cell type of the respiratory and gastrointestinal epithelia, originally termed "brush cell" or "tuft cell" by electron microscopists because of its apical tuft of microvilli, utilizes the canonical bitter taste transduction cascade known from oropharyngeal taste buds to detect potential hazardous compounds, e.g. bacterial products. Upon stimulation, this cell initiates protective reflexes and local inflammatory responses through release of acetylcholine and chemokines. Guided by the understanding of these cells as sentinels, they have been newly discovered at previously unrecognized anatomical locations, including the urethra...
December 2016: Histochemistry and Cell Biology
keyword
keyword
110832
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"