
Ricardo Paricio-MontesinosGerman Center for Neurodegenerative Diseases | DZNE · Neural Circuit Computations
Ricardo Paricio-Montesinos
Dr. Biology; M.Sc. Neuroscience; B.Sc. Biomedical Science
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14
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November 2015 - February 2022
Publications
Publications (14)
Homo and heterozygote cx3cr1 mutant mice, which harbor a green fluorescent protein (EGFP) in their cx3cr1 loci, represent a widely used animal model to study microglia and peripheral myeloid cells. Here we report that microglia in the dentate gyrus (DG) of cx3cr1 (-/-) mice displayed elevated microglial sirtuin 1 (SIRT1) expression levels and nucle...
Humans detect skin temperature changes that are perceived as warm or cool. Like humans, mice report forepaw skin warming with perceptual thresholds of less than 1°C and do not confuse warm with cool. We identify two populations of polymodal C-fibers that signal warm. Warm excites one population, whereas it suppresses the ongoing cool-driven firing...
Previous work identified nociceptive Schwann cells that can initiate pain. Consistent with the existence of inherently mechanosensitive sensory Schwann cells, we found that in mice, the mechanosensory function of almost all nociceptors, including those signaling fast pain, were dependent on sensory Schwann cells. In polymodal nociceptors, sensory S...
Thalamic brain areas play an important role in adaptive behaviors. Nevertheless, the population dynamics of thalamic relays during learning across sensory modalities remain unknown. Using a cross-modal sensory reward-associative learning paradigm combined with deep brain two-photon calcium imaging of large populations of auditory thalamus (medial g...
Recent evidence suggests that primary sensory cortical regions play a role in the integration of information from multiple sensory modalities. How primary cortical neurons integrate multisensory information is unclear, partly because multisensory interactions in the cortex are typically weak or modulatory. To address this question, we take advantag...
That sensory neurons alone transduce mechanical stimuli was challenged by the discovery of nociceptive Schwann cells that can initiate pain. Consistent with the existence of inherently mechanosensitive sensory Schwann cells, we found that mechanosensory function of almost all nociceptors, including those signaling fast pain were critically dependen...
Animals continuously sense the temperature in their environment, which is crucial for survival and for maintaining an optimal energy expenditure. Thermal perception is enabled by sensory afferent neurons that innervate the skin and express molecules that transduce thermal stimuli into electrical signals, which are later processed by the nervous sys...
Fingertip mechanoreceptors comprise sensory neuron endings together with specialized skin cells that form the end-organ. Exquisitely sensitive, vibration-sensing neurons are associated with Meissner’s corpuscles in the skin. In the present study, we found that USH2A, a transmembrane protein with a very large extracellular domain, was found in termi...
Fingertip mechanoreceptors comprise sensory neuron endings together with specialized skin cells that form the end-organ. Exquisitely sensitive vibration-sensing neurons are associated with Meissner's corpuscles and Pacinian corpuscles. Such end-organ structures have been recognized for more than 160 years, but their exact functions have remained a...
Humans easily discriminate tiny skin temperature changes that are perceived as warming or cooling. Dedicated thermoreceptors forming distinct thermosensory channels or "labelled lines" are thought to underlie thermal perception. We show that mice have similar perceptual thresholds for forepaw warming to humans (~1 ºC change) and do not mistake warm...
Sickness behavior and cognitive dysfunction occur frequently by unknown mechanisms in virus-infected individuals with malignancies treated with type I interferons (IFNs) and in patients with autoimmune disorders. We found that during sickness behavior, single-stranded RNA viruses, double-stranded RNA ligands, and IFNs shared pathways involving enga...