This study evaluates the chemopreventive effect of an aqueous extract of dried leaves of Ardisia compressa against liver cancer. A rat liver assay that mimics progressive forms of human disease was used as a carcinogenesis model. Forty-five male Wistar rats (180-200 g body weight) were injected intraperitoneally on day 1 with a single dose (100 mg/kg) of diethylnitrosamine (DEN), and also recei...

Coral growth anomalies (GAs) are tumor-like protrusions that detrimental to coral health, affecting both the skeleton and soft tissues. These lesions increasingly found throughout tropics commonly associated with high human population density, yet little is known about molecular pathology of disease. Here, we investigate metabolic impacts GAs through 1H nuclear magnetic resonance (NMR) metabolo...

Two coral species, Porites palmata and Porites lutea, were transplanted into three distinct management areas adjacent to the Mombasa Marine National Park, Kenya: A no-fishing MPA; a gear-restricted reserve with no beach seining; and a reserve with beach seining. Corallivory by fish or breakage by fishing gear was measured over a 57-day period. Porites palmata, the branching species, was more su...

In vitro cell proliferation, cell cycle arrest and induction of apoptosis were investigated, using three human head and neck squamous cell carcinoma (HNSCC) cell lines (OSCC-3, SCC-61, and SQ-20B). Aqueous extracts of Camellia sinensis, Ilex paraguariensis, and Ardisia compressa were tested and (-) epigallocatechin-3-gallate (EGCG) was used for comparison. For EGCG the IC50 values were between ...

In this study we investigated the variation in grazing scar densities between bleached and non-bleached colonies of massive Porites species in Sekisei Lagoon (Okinawa, southwestern Japan) during a mass bleaching event in 2016. The grazing scar densities and bleaching susceptibility varied among neighboring colonies of massive Porites spp. However, non-bleached colonies had significantly more su...

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Canopy-forming seaweed species of the genus Cystoseira form diverse and productive habitats along temperate rocky coasts of the Mediterranean Sea. Despite numerous studies on the rich macrofauna and flora associated with Cystoseira spp., there is little knowledge about the epiphytic bacteria. We analyzed bacterial populations associated with canopies of Cystoseira compressa, over an annual vege...

Porites coral-based sea surface temperature (SST) reconstructions are obtained from the measurement of skeleton Sr /Ca ratio. However, the influence of salinity in the incorporation of these trace elements in the Porites aragonitic skeleton is still poorly documented. Laboratory experiments indicate that in three different coral species (not including the widely used Porites genus), salinity do...

Consequently the name Biblarium chilense is a nomen nudum. Even so, some years later De Toni, observing neither illustration nor specimen, transferred it to Tetracyclus as Tetracyclus (chilensis) chilense (Ehrenb.) De Toni (De Toni 1892: 749). Regardless of these nomenclatural details, that a species of Tetracyclus was found in Chile offered data of potential biogeographic interest (Williams 20...