Results 161 to 170 of about 3,969 (218)

CD44 facilitates adhesive interactions in airineme-mediated intercellular signaling. [PDF]

Front Cell Dev Biol
Bowman RL, Kim J, Parsons MJ, Eom DS.
europepmc   +1 more source

Genetic and Developmental Divergence in the Neural Crest Program between Cichlid Fish Species. [PDF]

Mol Biol Evol
Marconi A, Vernaz G, Karunaratna A, Ngochera MJ, Durbin R, Santos ME.   +5 more
europepmc   +1 more source

On the role of TFEC in reptilian coloration. [PDF]

Front Cell Dev Biol
Tzika AC.
europepmc   +1 more source

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Calcium Requirement for Melanophore-Stimulating Hormone Action on Melanophores

Science, 1971
The calcium ion is specifically required for the action of melanophore-stimulating hormone on melanosome dispersion within lizard ( Anolis carolinensis ) melanophores in vitro. The response to this hormone is directly related to the concentration of the Ca 2+ ion.
D L, Vesely, M E, Hadley
exaly   +3 more sources

Mechanism of melanophore dispersion

Biochemical Pharmacology, 1964
Abstract The mechanism of the melanophore reaction of the skin of Hyla arborea (tree frog) has been studied. Apart from the specific hormones MSH and ACTH which elicit melanophore dispersion, the following substances produced darkening: theophylline and caffeine regularly, theobromine erratically, but not, however, dyphylline.
S, DIKSTEIN, F G, SULMAN
openaire   +2 more sources

Innervation of iridic melanophores

Zeitschrift f�r Zellforschung und Mikroskopische Anatomie, 1970
The nerve supply to the iridic melanophores of the rat was studied with the electron microscope. The adrenergic and cholinergic terminals were identified with the aid of 5-hydroxydopamine, which produces dense-cored 400–800 A synaptic vesicles in adrenergic axon varicosities, whereas the synaptic vesicles of cholinergic axons remain empty. It was found
B, Ehinger, B, Falck
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Ionic requirements for melanophore stimulating hormone (MSH) action on melanophores

Comparative Biochemistry and Physiology Part A: Physiology, 1979
Abstract 1. 1. Calcium is required for melanophore stimulating hormone (MSH) action on melanophores of the lizard, Anolis carolinensis , the toad, Scaphiopus couchi , and the frog Rana berlandieri forrei . 2. 2. Ca 2+ is required for an initial mechanism of MSH action, but not for melanosome dispersion per se , since melanophores respond
Divid L Vesely, Mac E Hadley
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Pharmacological studies on teleost melanophores

European Journal of Pharmacology, 1969
Abstract Thirty-three drugs have been administered to the pencil fish ( Nannostomus beckfordi anomalus ) to determine the nature of the innervation of the melanophores. The pencil fish showed pigment aggregation (paling) to all sympathomimetic drugs tested and pigment dispersal (darkening) when sympathetic transmission was blocked at any level.
N E, Ruffin, B L, Reed, B C, Finnin
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Stimulation of melanophores and guanophores by melanophore-stimulating hormone peptides

General and Comparative Endocrinology, 1964
Abstract Both melanophores and guanophores are under the control of hypophysial chromatotropic hormone (CTH, MSH, MDH, intermedin, etc.). This principle induces melanophore expansion and guanophore contraction. In order to compare the structural requirements of CTH for both melanophore and guanophore responses, the efficacy of various MSH peptides on
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Melanophore differentiation in leaf frogs

Developmental Biology, 1978
Abstract In melanosomes of Pachymedusa (Agalychnis) dacnicolor and other leaf frogs, the pteridine dimer, pterorhodin, is found in fibers concentric to a kernel of eumelanin. The kernel is a remnant mature larval melanosome that is renovated at metamorphic climax and on which pterorhodin is deposited at the completion of metamorphosis.
J T, Bagnara, W, Ferris, W A, Turner, J D, Taylor   +3 more
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