Intracellular recording from salamander olfactory receptor cells
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Cited by (82)
Electrical properties of cells from human olfactory epithelium
2019, Auris Nasus LarynxCitation Excerpt :Binding of these molecules to receptors on the surface of cilia activates intracellular cascades (for a review, see [2–4]) resulting from the opening of cyclic AMP-gated cation channels and Ca2+-gated Cl− channels [5–9]. This causes a slow and graded receptor potential [10–12] that is encoded as spike trains—i.e., voltage-dependent inward and outward currents that transmit olfactory information to the brain. Although similar currents have been measured in olfactory receptor cells of several species including catfish [13], coho salmon [14], Xenopus [15], tiger salamander [16,17], and mouse [18], only one electrophysiological study has been carried out on human nasal tissue [19] due to the challenge of accessing and obtaining human olfactory epithelium in an ethically acceptable and safe manner.
The fabrication of an olfactory receptor neuron chip based on planar multi-electrode array and its odor-response analysis
2010, Biosensors and BioelectronicsCitation Excerpt :The olfactory system is one of the chemosensory senses of very high sensitivity and specificity due to olfactory receptors (ORs) recognizing thousands of odor molecules by ORNs (Buck and Axel, 1991). ORNs used for sensing odors were reported and the odor-response of individual ORN was recorded by microelectrodes (Huotari, 2000; Rospars et al., 2000; Trotier and MacLeod, 1983). Furthermore, a biosensor combining insect ORNs with a field effect transistor (FET) was fabricated as an odor sensor (Schöning et al., 1998).
Processing information about flavour
2006, Flavour in FoodOdor-concentration coding in the guinea-pig piriform cortex
2005, NeuroscienceCitation Excerpt :Our results demonstrated that increasing concentrations led to increasing total areas of detectable signals in the aPCd (Fig. 6). Consistent with the sensory nature of odor intensity, intensity coding occurs initially at the olfactory sensory cells (Trotier and MacLeod, 1983; Duchamp-Viret et al., 2000; Ma and Shepherd, 2000) and OB (Friedrich and Korsching, 1997; Imamura et al., 1992; Johnson and Leon, 2000; Katoh et al., 1993; Rubin and Katz, 1999; Spors and Grinvald, 2002; Wachowiak and Cohen, 2001, 2003) and has been implicated at the PC (Pause et al., 1997: Wilson, 1997) and amygdala (Anderson et al., 2003). Thus, we found that the spatial extent of cortical activation might be one possible code for odor concentration, with using optical imaging based on intrinsic signals.