Results 21 to 30 of about 2,061,422 (300)

Advancing biology through a deeper understanding of zebrafish ecology and evolution

open access: yeseLife, 2015
Over the last two decades, the zebrafish has joined the ranks of premier model organisms for biomedical research, with a full suite of tools and genomic resources. Yet we still know comparatively little about its natural history.
David M Parichy
doaj   +1 more source

The differentiation of cholesterol and pigment gallstones [PDF]

open access: yes, 1989
Gallbladder biles and stones were obtained at 116 cholecystectomies for symptomatic gallstone disease. All 33 patients younger than 50 years had cholesterol stones, whereas 40% of the older patients had pigment stones.
Jüngst, Dieter
core   +1 more source

How the zebrafish got its stripes

open access: yeseLife, 2016
Live-cell imaging and genetic tools reveal a new way in which pigment cells communicate in ...
Kelly A McGowan, Gregory S Barsh
doaj   +1 more source

Intramural pure pigment gall­stones, a case report [PDF]

open access: yes, 1963
A case of intramural pure pigment gallstones, which were fortuitously found in post-mortem examination, is presented. The incidence, mechanism of formation of the stones and roentgenological diagnosis of the intramural gallstones, porcelain gall bladder,
Nishimura, Fumio, Kawanishi, Koichi
core   +1 more source

Comparative transcriptome analysis of trout skin pigment cells

open access: yesBMC Genomics, 2019
Background Enormous variability in skin colour and patterning is a characteristic of teleost fish, including Salmonidae fishes, which present themselves as a suitable model for studying mechanisms of pigment patterning.
Ida Djurdjevič   +3 more
doaj   +1 more source

An Atypical Migration Pattern of Tattoo Pigment

open access: yesCureus, 2023
Unwanted diffusion of pigment past the original margins of a tattoo, termed "tattoo blowout," appears as a blurred rim classically surrounding the original tattoo borders. The darkened skin is visibly noted within hours to days following the tattooing procedure.
Cao, Emily M   +4 more
openaire   +2 more sources

Dermatoscopic Patterns in Childhood Vitiligo and Their Association With Reflectance Confocal Microscopy Findings

open access: yesDermatology Practical & Conceptual, 2023
Introduction: The diagnosis of vitiligo is mainly based on clinical findings. However, dermoscopy or reflectance confocal microscopy (RCM) could be useful for assessing its progression (stability, pigmentation, or depigmentation).
Juan Alberto Godínez-Chaparro   +3 more
doaj   +1 more source

Pigment pattern formation in the medaka embryo [PDF]

open access: yesPigment Cell Research, 2005
SummaryFor the study of development of pigmentation, compared with mammalian models, fish offer the advantage of multiple chromatophore types and ready access to the developing embryo for observation and experimental manipulation. Compared with zebrafish embryos, medaka embryos have an additional unique chromatophore‐type and superb properties for ...
M, Lynn Lamoreux   +3 more
openaire   +2 more sources

Expression of cre recombinase in pigment cells

open access: yes, 2002
Conditional gene targeting using the Cre/loxP system enables specific deletion of a gene in a tissue of interest. For application of Cre-mediated recombination in pigment cells, Cre expression has to be targeted to pigment cells in transgenic mice.
Hummler, E.   +4 more
core   +2 more sources

The ocular albinism type 1 protein, an intracellular G protein-coupled receptor, regulates melanosome transport in pigment cells [PDF]

open access: yes, 2008
The protein product of the ocular albinism type 1 gene, named OA1, is a pigment cell-specific G protein-coupled receptor exclusively localized to intracellular organelles, namely lysosomes and melanosomes.
Bennett, DC   +51 more
core   +1 more source

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