The Warburg effect is one of the hallmarks of cancer cells in humans. It is a true metabolic reprogramming to aerobic glycolysis, allowing cancer cells to meet their particular energy needs for growth, proliferation, and resistance to apoptosis, depending on the microenvironment they encounter within the tumor. We have recently discovered that the Crassostrea gigas oyster can naturally reprogram its metabolism to the Warburg effect. Thus, the oyster becomes a new invertebrate model useful for cancer research. Due to its lifestyle, the oyster C. gigas has special abilities to adapt its metabolism to the extreme changes in the environment in which it is located. The oyster C. gigas is therefore a model of interest to study how the environment can control the Warburg effect under conditions that could not be explored in vertebrate model species.
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http://dx.doi.org/10.1051/medsci/2019079 | DOI Listing |
Int J Biol Macromol
January 2025
Center for Mitochondria and Healthy Aging, School of Life Sciences, Yantai University, Yantai 264005, China; College of Life Sciences, Yantai University, Yantai 264005, Shandong, China. Electronic address:
Erectile dysfunction (ED) is a male sexual disorder mainly caused by a reduction in the cellular concentration of cyclic guanosine monophosphate (cGMP), which is degraded by phosphodiesterase type-5 (PDE-5). Oyster protein (OP) and its hydrolysates have been used for centuries to address male erectile dysfunction, however the mechanisms and evidence supporting their efficacy remain unclear. In this study, OP was hydrolyzed using trypsin to produce peptides that inhibit PDE-5.
View Article and Find Full Text PDFFish Shellfish Immunol
January 2025
Department of Aquatic Life Medicine, College of Ocean and Biosciences, Kunsan National University, Gunsan 54150, Republic of Korea; Research Institute of Fisheries Science in Offshore Wind Farm (RIFSO), Kunsan National University, 558 Daehakro, Gunsan 54150, Republic of Korea. Electronic address:
In this study, we investigated the variability in virulence among different strains of Perkinsus marinus and other Perkinsus species in Eastern oysters (Crassostrea virginica), examining the immune responses and mortality rates of oysters exposed to different Perkinsus isolates. Compared with the other assessed strains, P. marinus strain ATCC 50787 was found to induce significantly (P < 0.
View Article and Find Full Text PDFPathogens
December 2024
Department of Aquatic Life Medicine, Pukyong National University, Busan 48513, Republic of Korea.
White spot syndrome virus (WSSV) poses a major risk to shrimp aquaculture, and filter-feeding bivalves on shrimp farms may contribute to its persistence and transmission. This study investigated the bioaccumulation and vector potential of WSSV in Pacific oysters (), blue mussels (), and manila clams () cohabiting with WSSV-infected shrimp. Sixty individuals of each species (average shell lengths: 11.
View Article and Find Full Text PDFInt J Mol Sci
December 2024
Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center, Qingdao 266200, China.
Long-chain polyunsaturated fatty acids (LC-PUFAs) are crucial for human health and cannot be produced internally. Bivalves, such as oysters, serve as valuable sources of high-quality PUFAs. The enzyme fatty acid desaturase (FADS) plays a key role in the metabolism of LC-PUFAs.
View Article and Find Full Text PDFTaurine and betaine are important nutrients in and have many important biological properties. To investigate the characteristics of taurine and betaine contents and identify SNPs associated with traits in the , we cloned the full-length cDNA of key genes in taurine and betaine (unpublished data) metabolism, determined taurine and betaine content and gene expression in different tissues and months of specimen collection, and developed SNPs in the gene coding region. We cloned the full-length cDNA of cysteine dioxygenase ( ) and cysteine sulfite decarboxylase ( ), which are key genes involved in taurine metabolism in , and found that betaine and taurine contents and the expression of key genes were regulated by seawater salinity.
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