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The Tumor Microenvironment of High Grade Serous Ovarian Cancer

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ISBN: 9783038975540 / 9783038975557 Year: Pages: 434 DOI: 10.3390/books978-3-03897-555-7 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Biology --- Oncology
Added to DOAB on : 2019-02-06 09:22:42
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The Special Issue on high grade serous ovarian cancer (HGSOC) and the contribution of the tumor microenviroment (TME) consists of reviews contributed by leaders in the OC field. As HGSOC metastases have a highly complex TME, there is an urgent need to better understand the TME in general, its distinct components in particular, and the role of the TME in the context of disease recurrence and development of chemoresistance. The Special Issue incorporates the current understanding of the different parts of thd TME components, including the cancer cells themselves, the cells surrounding the cancer cells or stromal cells, and the cells of the immune system, which are attracted to the site of metastases. In addition to these cells of the TME, the role of various cellular factors made by the cells of the TME are also the subject of the reviews. In addition, reviews in this Special Issue cover the complex relationships between the molecular mechanisms of HGSOC progression, including genomic, epigenomic and transcriptomic changes and changes in the immune cell landscape, as these may provide attractive new molecular targets for HGSOC therapy.

Dinophysis Toxins: Distribution, Fate in Shellfish and Impacts

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ISBN: 9783039213634 / 9783039213641 Year: Pages: 376 DOI: 10.3390/books978-3-03921-364-1 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Medicine (General) --- Public Health
Added to DOAB on : 2019-12-09 11:49:15
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Abstract

Several species of Dinophysis produce one or two groups of lipophilic toxins: okadaic acid (OA) and its derivatives; or the dinophysistoxins (DTXs) (also known as diarrhetic shellfish poisons or DSP toxins) and pectenotoxins (PTXs). DSP toxins are potent inhibitors of protein phosphatases, causing gastrointestinal intoxication in consumers of contaminated seafood. Forty years after the identification of Dinophysis as the causative agent of DSP in Japan, contamination of filter feeding shellfish exposed to Dinophysis blooms is recognized as a problem worldwide. DSP events affect public health and cause considerable losses to the shellfish industry. Costly monitoring programs are implemented in regions with relevant shellfish production to prevent these socioeconomic impacts. Harvest closures are enforced whenever toxin levels exceed regulatory limits (RLs). Dinophysis species are kleptoplastidic dinoflagellates; they feed on ciliates (Mesodinium genus) that have previously acquired plastids from cryptophycean (genera Teleaulax, Plagioselmis, and Geminigera) nanoflagellates. The interactions of Dinophysis with different prey regulate their growth and toxin production. When Dinophysis cells are ingested by shellfish, their toxins are partially biotransformed and bioaccumulated, rendering the shellfish unsuitable for human consumption. DSP toxins may also affect shellfish metabolism. This book covers diverse aspects of the abovementioned topics—from the laboratory culture of Dinophysis and the kinetics of uptake, transformation, and depuration of DSP toxins in shellfish to Dinophysis population dynamics, the monitoring and regulation of DSP toxins, and their impact on the shellfish industry in some of the aquaculture regions that are traditionally most affected, namely, northeastern Japan, western Europe, southern Chile, and New Zealand.

Keywords

harmful algal bloom --- Diarrheic Shellfish Poisoning --- okadaic acid --- toxin accumulation --- toxin vectors --- trophic transfer --- Brazil --- diarrhetic shellfish toxins (DST) --- Mytilus galloprovincialis --- DST accumulation --- DST esterification --- suspended particulate matter (SPM) --- harmful algal blooms --- okadaic acid --- Argopecten irradians --- transcriptomic response --- deep sequencing --- pectenotoxins --- surf clam --- accumulation --- biotransformation --- depuration --- diarrhetic shellfish toxins --- accumulation --- dinophysistoxin --- Japanese scallop --- dinophysis --- LC/MS/MS --- statistical analysis --- Dinophysis --- HAB monitoring --- DSP toxins --- aquaculture --- shellfish toxicity --- human health --- time-series --- seasonality --- Scotland --- DSP toxins --- bivalves --- mussel --- resistance --- RNA-Seq --- qPCR --- metabolism --- defense --- immunity --- DSP toxins --- pectenotoxins --- Dinophysis acuminata --- Mesodinium rubrum --- bacterial community --- high throughput sequencing --- diarrhetic shellfish toxins --- Dinophysis --- wild harvest --- bivalve shellfish --- pipis (Plebidonax deltoides) --- Sydney rock oyster (Saccostrea glomerata) --- okadaic acid --- pectenotoxins --- Dinophysis toxins --- accumulation --- digestion --- biotransformation --- compartmentalization --- depuration --- kinetics --- Dinophysis --- diarrhetic shellfish poisoning --- marine toxins --- pectenotoxin --- okadaic acid --- dinophysistoxin --- okadaic acid --- pectenotoxins --- Dinophysis --- D. acuminata-complex --- D. caudata --- Argopecten purpuratus --- Dinophysis --- Mesodinium --- cryptophytes --- predator-prey preferences --- Diarrhetic Shellfish Toxins (DST) --- pectenotoxins (PTXs) --- mixotrophic cultures --- mass culture conditions --- Dinophysis acuminata --- Protoceratium reticulatum --- Reloncaví Fjord --- OMI analysis --- WitOMI analysis --- Mesodinium cf. rubrum --- El Niño Southern Oscillation --- Southern Annual Mode --- Dinophysis acuta --- Dinophysis acuminata --- DSP --- physical–biological interactions --- niche partitioning --- climatic anomaly --- Dinophysis acuminata --- Mesodinium rubrum --- lysate --- organic matter --- diarrhetic shellfish poisoning --- okadaic acid --- dinophysistoxin --- pectenotoxins --- dinophysis --- DSP --- toxins --- OA --- DTX-2 --- PTXs --- Dinophysis acuminata --- dinophysistoxins --- pectenotoxins --- Port Underwood --- New Zealand --- Dinophysis --- Diarrhetic shellfish toxins --- marine biotoxins --- blooms --- n/a

Carotenoids and Human Health

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ISBN: 9783039218325 / 9783039218332 Year: Pages: 308 DOI: 10.3390/books978-3-03921-833-2 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology --- Nutrition and Food Sciences
Added to DOAB on : 2020-01-07 09:08:26
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Abstract

Carotenoids are a group of approximately 600 compounds synthesized by photosynthetic organisms. These pigments are abundant in fruits and vegetables, as well as in certain animal products such as eggs and salmon, being responsible for their colorful appearance. The bioactive properties of certain carotenoids in human health are clear, as some of these compounds have antioxidant properties and serve as the only precursors of vitamin A in nature. The aim of this Special Issue entitled “Carotenoids and Human Health” is to provide the scientific community with an updated perspective of this exciting and growing research area. We compiled 19 papers from some of the most prominent scientists in the carotenoid field, including seven literature reviews and 12 original publication, covering topics such as cancer, obesity, vision, cognitive function, and skin health.

Keywords

carotenoids --- lycopene --- gastric cancer --- H. pylori --- smoking --- case-control study --- Korea --- cancer-related cognitive impairment --- cognition --- carotenoid --- memory --- inflammation --- mango by-products --- lutein --- ?-carotene --- ?-tocopherol --- mangiferin --- food ingredients --- astaxanthin --- Akkermansia --- alcoholic fatty liver disease --- inflammation --- gut microbiota --- lycopene --- carotene --- retinoic acid --- retinoid --- vitamin A --- RAR --- RXR --- ?-carotene --- ?-carotene --- ?-cryptoxanthin --- carotenoids --- lutein --- provitamin A --- retinol --- vitamin A --- breastfeeding --- new-born --- full-term mothers --- preterm mothers --- xanthophylls --- carotenes --- lutein --- colostrum --- mature milk --- ?-Cryptoxanthin --- carotenoids --- Caenorhabditis elegans --- fat reduction --- oxidative stress --- transcriptomic analysis --- metabolic syndrome --- aging --- prostate cancer --- tomato --- lycopene --- androgen --- cell culture --- animal --- obesity --- hippocampus --- nutrition --- overweight --- carotenoids --- Phaeodactylum tricornutum --- microalgae --- fucoxanthin --- eicosapentanoic acid --- obesity --- browning --- brown adipose tissue --- carotenes --- xanthophylls --- bioavailability --- intestine --- membrane transporters --- Vitamin A --- adipocyte --- ?-carotene oxygenase 1 --- hypertension --- carotenoids --- tomato extract --- lycopene --- phytoene --- phytofluene --- bioavailability --- glaucoma --- antioxidants --- oxidative stress --- macular pigment --- lutein --- colourless carotenoids --- cosmeceuticals --- functional foods --- nutraceuticals --- nutricosmetics --- photoprotection --- phytoene --- phytofluene --- public health --- nutrition --- chronic disease --- lutein --- zeaxanthin --- lycopene --- beta-carotene --- alpha-carotene --- beta-cryptoxanthin --- adipocytes --- adipose tissue --- brain --- carotenoids --- obesity --- retinoids --- carotenoids --- bioactive compounds

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