Search Results - "Hattar, S."

Photoentrainment and pupillary light reflex are mediated by distinct populations of ipRGCs by Chen, S.-K., Badea, T. C., Hattar, S.

“…Variation in the third retinal photoreceptor For many years, it was thought that rods and cones were the only light-detecting cells in the mammalian retina,…”
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Rods-Cones and Melanopsin Detect Light and Dark to Modulate Sleep Independent of Image Formation by Altimus, C. M., Güler, A. D., Villa, K. L., McNeill, D. S., LeGates, T. A., Hattar, S.

“…Light detected in the retina modulates several physiological processes including circadian photo-entrainment and pupillary light reflex. Intrinsically…”
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Melanopsin-Containing Retinal Ganglion Cells: Architecture, Projections, and Intrinsic Photosensitivity by Hattar, S., H.-W. Liao, Takao, M., Berson, D. M., K.-W. Yau

“…The primary circadian pacemaker, in the suprachiasmatic nucleus (SCN) of the mammalian brain, is photoentrained by light signals from the eyes through the…”
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A visual circuit uses complementary mechanisms to support transient and sustained pupil constriction by Keenan, William Thomas, Rupp, Alan C, Ross, Rachel A, Somasundaram, Preethi, Hiriyanna, Suja, Wu, Zhijian, Badea, Tudor C, Robinson, Phyllis R, Lowell, Bradford B, Hattar, Samer S

“…Rapid and stable control of pupil size in response to light is critical for vision, but the neural coding mechanisms remain unclear. Here, we investigated the…”
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Diminished Pupillary Light Reflex at High Irradiances in Melanopsin-Knockout Mice by Lucas, R. J., Hattar, S., Takao, M., Berson, D. M., Foster, R. G., K. -W. Yau

“…In the mammalian retina, a small subset of retinal ganglion cells (RGCs) are intrinsically photosensitive, express the opsin-like protein melanopsin, and…”
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Melanopsin and rod-cone photoreceptive systems account for all major accessory visual functions in mice by Yau, K.-W, Hattar, S, Lucas, R. J, Mrosovsky, N, Thompson, S, Douglas, R. H, Hankins, M. W, Lem, J, Biel, M, Hofmann, F, Foster, R. G

“…In the mammalian retina, besides the conventional rod-cone system, a melanopsin-associated photoreceptive system exists that conveys photic information for…”
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Diurnal mice (Mus musculus) and other examples of temporal niche switching by Mrosovsky, N, Hattar, S

“…Examples are presented of nocturnal animals becoming diurnal or vice versa as a result of mutations, genetic manipulations, or brain lesions. Understanding…”
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Melanopsin-Dependent Photoreception Provides Earliest Light Detection in the Mammalian Retina by Sekaran, S., Lupi, D., Jones, S.L., Sheely, C.J., Hattar, S., Yau, K.-W., Lucas, R.J., Foster, R.G., Hankins, M.W.

“…Background: The visual system is now known to be composed of image-forming and non-image-forming pathways. Photoreception for the image-forming pathway begins…”
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Impaired masking responses to light in melanopsin-knockout mice by Mrosovsky, N, Hattar, S

“…There are two ways in which an animal can confine its behavior to a nocturnal or diurnal niche. One is to synchronize an endogenous clock that in turn controls…”
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Potential of biomimetic surfaces to promote in vitro osteoblast-like cell differentiation by Hattar, S., Asselin, A., Greenspan, D., Oboeuf, M., Berdal, A., Sautier, J.-M.

“…Bioactive glasses, osteoproductive materials, have received considerable attention as bone graft substitutes in the treatment of bony defects. More recent…”
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Multiple photoreceptors contribute to nonimage-forming visual functions predominantly through melanopsin-containing retinal ganglion cells by Güler, A D, Altimus, C M, Ecker, J L, Hattar, S

“…In the absence of functional rod and cone photoreceptors, mammals retain the ability to detect light for a variety of physiological functions such as circadian…”
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Effects of 58S sol-gel glasses on the temporal expression of bone markers during mouse osteoblastic differentiation by Hattar, S., Loty, S., Gaisser, D., Berdal, A., Sautier, J-M.

“…Previous studies have shown that bioactive glasses can support osteoblastic growth and differentiation in vitro as well as in vivo. More recently, a new…”
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Dentistry a second time? by Oweis, Y., Hattar, S., Eid, R. A., Sabra, A.

“…Introduction:  Dentistry in Jordan is an attractive profession due to the high social standard it provides. This study aimed to investigate whether dentists…”
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Light as a central modulator of circadian rhythms, sleep and affect by LeGates, Tara A., Fernandez, Diego C., Hattar, Samer

“…Key Points Extreme light conditions, as experienced in shift-work schedules, shortened day length during winter months or transmeridian travel, can cause…”
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Thrombospondin-1 Mediates Axon Regeneration in Retinal Ganglion Cells by Bray, Eric R., Yungher, Benjamin J., Levay, Konstantin, Ribeiro, Marcio, Dvoryanchikov, Gennady, Ayupe, Ana C., Thakor, Kinjal, Marks, Victoria, Randolph, Michael, Danzi, Matt C., Schmidt, Tiffany M., Chaudhari, Nirupa, Lemmon, Vance P., Hattar, Samer, Park, Kevin K.

“…Neuronal subtypes show diverse injury responses, but the molecular underpinnings remain elusive. Using transgenic mice that allow reliable visualization of…”
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The contribution of outer retinal photoreceptors, rods and cones, to circadian photoentrainment by Hattar, S.

“…Abstract only…”
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M1 ipRGCs Influence Visual Function through Retrograde Signaling in the Retina by Prigge, Cameron L, Yeh, Po-Ting, Liou, Nan-Fu, Lee, Chi-Chan, You, Shih-Feng, Liu, Lei-Lei, McNeill, David S, Chew, Kylie S, Hattar, Samer, Chen, Shih-Kuo, Zhang, Dao-Qi

“…Melanopsin-expressing intrinsically photosensitive retinal ganglion cells (ipRGCs, with five subtypes named M1-M5) are a unique subclass of RGCs with axons…”
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Rod photoreceptors drive circadian photoentrainment across a wide range of light intensities by Sampath, Alapakkam P, Hattar, Samer, Altimus, Cara M, Güler, Ali D, Alam, Nazia M, Arman, A Cyrus, Prusky, Glen T

“…The intrinsically photosensitive melanopsin-expressing retinal ganglion neurons are important for nonvisual responses to light, such as circadian…”
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Behaviour of moderately differentiated osteoblast-like cells cultured in contact with bioactive glasses by Hattar, S, Berdal, A, Asselin, A, Loty, S, Greenspan, D C, Sautier, J-M

“…Bioactive glasses have been shown to stimulate osteogenesis both in vivo and in vitro. However, the molecular mechanisms underlying this process are still…”
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Photoentrainment and pupillary light reflex are mediated by distinct populations of ipRGCs by Chen, S.-K, Badea, T.C, Hattar, S

“…Intrinsically photosensitive retinal ganglion cells (ipRGCs) express the photopigment melanopsin and regulate a wide array of light-dependent physiological…”
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