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Topic Review
Adrenomedullin and COVID-19
The COVID-19 pandemic is still in progress, and a significant number of patients have presented with severe illness. Recently introduced vaccines, antiviral medicines, and antibody formulations can suppress COVID-19 symptoms and decrease the number of patients exhibiting severe disease. However, complete avoidance of severe COVID-19 has not been achieved and there are insufficient methods to treat it. Adrenomedullin (AM) is an endogenous peptide that maintains vascular tone and endothelial barrier function. The AM plasma level is markedly increased during severe inflammatory disorders, such as sepsis, pneumonia, and COVID-19, and associated with its prognosis. Exogenous AM administration reduced inflammation and related organ damage in rodent models. The results strongly suggest that AM could be an alternative therapy for COVID-19. Researchers are currently conducting an investigator-initiated phase 2a trial for moderate to severe COVID-19 using AM.
  • 687
  • 07 Mar 2022
Topic Review
Docosahexaenoic Acid
A major dietary omega-3 polyunsatruated fatty acid, 22:6(n-3)
  • 686
  • 31 Aug 2020
Topic Review
3D Modeling of Epithelial Tumors
The current statistics on cancer show that 90% of all human cancers originate from epithelial cells. Breast and prostate cancer are examples of common tumors of epithelial origin that would benefit from improved drug treatment strategies. About 90% of preclinically approved drugs fail in clinical trials, partially due to the use of too simplified in vitro models and a lack of mimicking the tumor microenvironment in drug efficacy testing. This entry focuses on the epithelial cancers, followed by experimental models designed to recapitulate the epithelial tumor structure and microenvironment. A specific focus is to put on novel technologies for cell culture of spheroids, organoids, and 3D-printed tissue-like models, utilizing biomaterials of natural or synthetic origins, and how the models could be utilized for nanotechnology-based drug delivery in the future.
  • 686
  • 24 Jun 2021
Topic Review
Sleep Deprivation Effects on Health and Immune System
Sleep health and its adaptation to individual and environmental factors are crucial to promote physical and mental well-being across animal species.
  • 686
  • 06 Mar 2023
Topic Review
Three-Dimensional Cell Culture Methods
Cells, the basic structures of all living organisms, reside in an extracellular matrix consisting of a complex three-dimensional architecture and interact with neighboring cells both mechanically and biochemically. Cell–cell and cell–extracellular matrix interactions form a three-dimensional network that maintains tissue specificity and homeostasis. Important biological processes in a cell cycle are regulated by principles organized by the microenvironment surrounding the cell. The conventional cell culture methods failed to mimic in vivo-like structural organization and are insufficient to examine features such as connectivity of cells, cellular morphology, viability, proliferation, differentiation, gene and protein expression, response to stimuli, and drug/vaccine metabolism. Three-dimensional cell culture studies are very important in terms of reducing the need for in vivo studies and creating an intermediate step.
  • 686
  • 17 Jan 2023
Topic Review
Mitophagy Modulation
Mitophagy, as a selective variant of autophagy, is characterized by molecular mechanisms that allow selective degradation of mitochondria.
  • 686
  • 10 Feb 2021
Topic Review
Molecular Mechanisms of Brain-Derived Neurotrophic Factor
Brain-derived neurotrophic factor (BDNF) has been extensively investigated, and it has emerged as an important regulator of synaptic plasticity, neuronal survival, and differentiation. In addition, BDNF serves as a crucial molecular target for the development of drugs to treat neurological diseases. The synthesis and maturation of BDNF is a multistep process, starting with the formation of several precursor isoforms. 
  • 686
  • 30 Jun 2022
Topic Review
Multifaceted Effects of Lycopene
Lycopene is a pigment belonging to the group of carotenoids and it is among the most carefully studied antioxidants found especially in fruit and vegetables. As a carotenoid, lycopene exerts beneficial effects on human health by protecting lipids, proteins, and DNA from damage by oxidation. Lycopene is a powerful oxygen inactivator in the singlet state.
  • 686
  • 17 Nov 2021
Topic Review
Functional Food Ingredients for Viral Diseases
A complex network of processes within the human immune system provides resistance to a variety of disease states. This defense forms innate and adaptive immunity, with specific immune components working together to combat infection. In addition to genetic variables, susceptibility to disease can be influenced by factors such as lifestyle, age and environmental factors. Certain food chemicals have been shown to modulate signaling and cell morphology. This has implications for pathophysiology. Eating some functional foods can increase the activity of immune cells and protect us from various diseases, including those caused by viruses as discussed below. 
  • 686
  • 07 Feb 2023
Topic Review
Nitric Oxide-Donating Drugs for IOP Lowering
Nitric oxide (NO) is a commendable new class of glaucoma drugs that acts on the conventional outflow pathway. An increasing number of nitric oxide donors have been developed for glaucoma and ocular hypertension treatment. Here, we will review how NO lowers IOP and the types of nitric oxide donors that have been developed.
  • 686
  • 17 Dec 2021
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