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A new early brachyuran (Crustacea, Decapoda) from the Middle Jurassic of northwest France, epibionts and ecological considerations Naturalis
Robin, N.; Bakel, B.W.M. van; Hondt, J.-L. d'; Charbonnier, S..
The earliest known crabs are of Early and Middle Jurassic age; in general, they are rare. Here we describe a new species of homolodromioid from the late Bathonian of Sarthe (France), based on a single dorsal carapace, Tanidromites raboeufi n. sp. This specimen has mostly well-preserved cuticle, and shows two episkeletozoans (bryozoan colonies) on its dorsal side, which is unique amongst early brachyurans (Early and Middle Jurassic). These bryozoans are identified as juvenile colonies of the morphogenus Berenicea (sheet-like tubuluporines), typical encrusters of hard substrates. Their presence directly on the carapace crab shows that they were closely cohabitating with this early brachyuran in its palaeoenvironment. One of these colonies appears to have...
Tipo: Article / Letter to the editor Palavras-chave: Bathonian; Cyclostome bryozoans; Epibiosis; Episkeletozoans; Homolodromioidea; 38.22; 42.74.
Ano: 2015 URL: http://www.repository.naturalis.nl/record/578952
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Effects of oxysterols on cell viability, inflammatory cytokines, VEGF, and reactive oxygen species production on human retinal cells: cytoprotective effects and prevention of VEGF secretion by resveratrol Inra
Dugas, B.; Charbonnier, S.; Baarine, M.; Ragot, K.; Delmas, D.; Menetrier, F.; Lherminier, J.; Malvitte, L.; Khalfaoui, T.; Bron, A.; Creuzot Garcher, C.; Latruffe, N.; Lizard, G..
Background and aimsOxysterols are assumed to play important roles in age-related macular degeneration, a major cause of blindness. So we characterized the cytotoxic, oxidative, inflammatory, and angiogenic activities of oxysterols (7β-hydroxycholesterol (7β-OH), 7-ketocholesterol (7KC), 25-hydroxycholesterol (25-OH)) in human retinal ARPE-19 cells, and evaluated the protective effects of resveratrol (Rsv: 1 μM), a polyphenol from red wine.MethodsARPE-19 cells were treated with 7β-OH, 7KC, or 25-OH (5–40 μg/mL; 24–48 h) without or with Rsv. Cell viability was determined using trypan blue and the MTT assay. Cell death was characterized by electron microscopy and in situ detection of activated caspases with fluorochrome-labeled inhibitors of caspases....
Tipo: Journal Article Palavras-chave: CELLULES RÉTINIENNES; DEGENERESCENCE MACULAIRE; DMLA ARPE-19 CELLS; CASPASE-INDEPENDENT CELL DEATH; INFLAMMATORY CYTOKINES; OXYSTEROLS; PHOSPHOLIPIDOSIS; RESVERATROL; REACTIVE OXYGEN SPECIES; VEGF.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201135a1139e&uri=/notices/prodinra1/2011/06/
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