Your browser does not fully support modern features. Please upgrade for a smoother experience.
Subject:
All Disciplines Arts & Humanities Biology & Life Sciences Business & Economics Chemistry & Materials Science Computer Science & Mathematics Engineering Environmental & Earth Sciences Medicine & Pharmacology Physical Sciences Public Health & Healthcare Social Sciences
Sort by:
Most Viewed Latest Alphabetical (A-Z) Alphabetical (Z-A)
Filter:
All Topic Review Biography Peer Reviewed Entry Video Entry
Topic Review
Mitochondrial Dysfunction in the Brain
Inadequate energy production from mitochondria in neurons can lead to suboptimal signal transmission within the brain and other peripheral organs involved in energy homeostasis.
  • 1.0K
  • 17 Nov 2020
Topic Review
Porphyrinoid Photosensitizers
The use of photodynamic therapy (PDT) to eradicate microorganisms has been regarded as a promising alternative to anti-infective therapies, such as those based on antibiotics, and more recently, is being considered for skin wound-healing. Among the several molecules exploited as photosensitizers (PS), porphyrinoids exhibit suitable features for achieving those goals efficiently. The capability that these macrocycles display to generate reactive oxygen species (ROS) gives a significant contribution to the regenerative process. ROS are responsible for avoiding the development of infections by inactivating microorganisms such as bacteria but also by promoting cell proliferation through the activation of stem cells which regulates inflammatory factors and collagen remodeling. The PS can act solo or combined with several materials, such as polymers, hydrogels, nanotubes, or metal-organic frameworks (MOF), keeping both the microbial photoinactivation and healing/regenerative processes’ effectiveness. 
  • 1.0K
  • 22 Sep 2021
Topic Review
Mediterranean Diet on Sleep
The Mediterranean diet is a plant-based, antioxidant-rich, unsaturated fat dietary pattern that has been consistently associated with lower rates of noncommunicable diseases and total mortality, so that it is considered one of the healthiest dietary patterns. Recent studies have demonstrated that another health parameter favorably influenced by the Mediterranean diet is sleep, which is an essential component of life. 
  • 1.0K
  • 01 Aug 2022
Topic Review
Phosphate Homeostasis
Phosphorus is an essential nutrient that is critically important in the control of cell and tissue function and body homeostasis. Phosphorus excess may result in severe adverse medical consequences.
  • 1.0K
  • 04 Mar 2021
Topic Review
Oxidative Stress and Cardiovascular Diseases
Cardiovascular diseases (CVD) are complex entities with heterogenous pathophysiologic mechanisms and increased oxidative stress has been viewed as one of the potential common etiologies. A fine balance between the presence of reactive oxygen species (ROS) and antioxidants is essential for the proper normal functioning of the cell. A basal concentration of ROS is indispensable for the manifestation of cellular functions, whereas excessive levels of ROS cause damage to cellular macromolecules such as DNA, lipids and proteins, eventually leading to necrosis and apoptotic cell death. CVD is the main cause of death worldwide with several conditions being affected by oxidative stress. Increased ROS lead to decreased nitric oxide availability and vasoconstriction, promoting arterial hypertension. ROS also negatively influence myocardial calcium handling, causing arrhythmia, and augment cardiac remodeling by inducing hypertrophic signaling and apoptosis. Finally, ROS have also been shown to promote atherosclerotic plaque formation.
  • 1.0K
  • 27 Aug 2021
Topic Review
Gut Microbiota and Obesity
Obesity is one of the most prevalent human health problems. Research from the last decades has clarified the role of the imbalance between energy intake and expenditure, unhealthy lifestyle, and genetic variability in the development of obesity. The composition and metabolic functions of gut microbiota have been proposed as being able to affect obesity development.
  • 1.0K
  • 08 Sep 2021
Topic Review
Telehealth Nutrition Care During COVID-19
Widespread transmission of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection has resulted in a global COVID-19 pandemic that is straining medical resources worldwide. In the United States (US), hospitals and clinics are challenged to accommodate surging patient populations and care needs while preventing further infection spread. Under such conditions, meeting with patients via telehealth technology is a practical way to help maintain meaningful contact while mitigating SARS-CoV-2 transmission. The application of telehealth to nutrition care can, in turn, contribute to better outcomes and lower burdens on healthcare resources. To identify trends in telehealth nutrition care before and during the pandemic, we emailed a 20-question, qualitative structured survey to approximately 200 registered dietitian nutritionists (RDNs) from hospitals and clinics that have participated in the Malnutrition Quality Improvement Initiative (MQii). RDN respondents reported increased use of telehealth-based care for nutritionally at-risk patients during the pandemic. They suggested that use of such telehealth nutrition programs supported positive patient outcomes, and some of their sites planned to continue the telehealth-based nutrition visits in post-pandemic care. Nutrition care by telehealth technology has the potential to improve care provided by practicing RDNs, such as by reducing no-show rates and increasing retention as well as improving health outcomes for patients. We therefore call on healthcare professionals and legislative leaders to implement policy and funding changes that will support improved access to nutrition care via telehealth.
  • 1.0K
  • 02 Mar 2021
Topic Review
Dietary Salt Restriction and MDP for Cardiometabolic Health
The dietary restriction of salt intake and the adhesion to Mediterranean dietary pattern (MDP) are among the most recommended lifestyle modifications for the prevention of cardiovascular diseases. A large amount of evidence supports these recommendations. Likewise, findings from observational and clinical studies suggest a causal role of excess salt intake in blood pressure increase, cardiovascular organ damage, and the incidence of cardiovascular diseases. In this context, it is also conceivable that the beneficial effects of these two dietary patterns overlap because Mediterranean dietary patterns are typically characterized by a large consumption of plant-based foods with low sodium content. However, there is little data on this issue, and heterogeneous results are available on the relationship between adherence to salt restriction and to Mediterranean dietary patterns.
  • 1.0K
  • 11 Mar 2024
Topic Review
Proanthocyanidins and Anthocyanins in Nicotine-Induced NSCLC Treatment
In traditional medicine, different parts of plants, including fruits, have been used for their anti-inflammatory and anti-oxidative properties. Plant-based foods, such as fruits, seeds and vegetables, are used for therapeutic purposes due to the presence of flavonoid compounds. Proanthocyanidins (PCs) and anthocyanins (ACNs) are the major distributed flavonoid pigments in plants, which have therapeutic potential against certain chronic diseases. PCs and ACNs derived from plant-based foods and/or medicinal plants at different nontoxic concentrations have shown anti-non-small cell lung cancer (NSCLC) activity in vitro/in vivo models through inhibiting proliferation, invasion/migration, metastasis and angiogenesis and by activating apoptosis/autophagy-related mechanisms.
  • 1.0K
  • 02 Aug 2022
Topic Review
Docosahexaenoic Acid
A major dietary omega-3 polyunsatruated fatty acid, 22:6(n-3)
  • 1.0K
  • 31 Aug 2020
Topic Review
Diet and Ovulation Disorders in Women
Female infertility is commonly due to ovulation disorders. They are mostly related to polycystic ovary syndrome, which is currently viewed as one of the most common endocrine disorders in women of reproductive age. Ovulation-related female fertility is influenced by multiple factors which may include: age, smoking cigarettes, stress, use of psychoactive substances, and physical activity. Moreover, diet-related factors play an important role in the regulation of ovulation. Dietary components that exert a positive influence on ovulation include: carbohydrate products with low glycemic index, plant protein, monounsaturated and polyunsaturated fatty acids, folic acid, vitamin D, antioxidants, and iron. A diet based on the structure of the Mediterranean diet also seems beneficial. Components that have a negative influence mostly include high glycemic index carbohydrates, large amounts of animal protein, saturated fatty acids, and trans fatty acids, which are typically found in the Western model of nutrition. 
  • 1.0K
  • 22 Apr 2022
Topic Review
Diet and Anxiety
The term anxiety describes the experience of worry, apprehension, or nervousness in association with physical, cognitive, and behavioral symptoms. Anxiety may be experienced occasionally as part of normal life and may be adaptive if it increases preparedness for novel situations. If anxiety symptoms are persistent, excessive, or interfere with functioning, they can become pathological.
  • 1.0K
  • 29 Dec 2021
Topic Review
Therapeutic Applications of Esculetin
Esculetin is a coumarin compound, which belongs to the class of benzopyrone enriched in various plants such as Sonchus grandifolius, Aesculus turbinata, etc. Free radicals lead to the development of oxidative stress causing inflammation, arthritis, cancer, diabetes, fatty liver disease, etc. These further reduce the efficacy of anticancer drugs, activate inflammatory signaling pathways, degrade joints and cartilage, and disrupt the glycemic index and normal function of liver enzymes. For instance, the current treatment modalities used in arthritis such as non-steroidal anti-inflammatory drugs, disease-modifying anti-rheumatoid drugs, and lipoxygenase inhibitors present limited efficacy and adverse effects. Thus, there is a constant need to find newer and safer alternatives. Esculetin has an immense antioxidative potential thereby alleviating arthritis, diabetes, malignancies, and hepatic disorders.
  • 1.0K
  • 04 Nov 2022
Topic Review
Emotional Eating
Emotional eating is considered as the propensity to eat in response to emotions. It is considered a critical risk factor for recurrent weight gain. Such overeating is able to affect general health due to excess energy intake and mental health.
  • 1.0K
  • 18 Apr 2023
Topic Review
Key Nutrients for Mental Health in Diabetes
Diabetes is associated with an increased risk of mental disorders, including depression, anxiety, and cognitive decline. Mental disorders can also contribute to the development of diabetes through various mechanisms including increased stress, poor self-care behaviors, and adverse effects on glucose metabolism. Consequently, individuals suffering from either of these conditions frequently experience comorbidity with the other. Nutrition plays an important role in both diabetes and mental health disorders including depression and anxiety. Deficiencies in specific nutrients such as omega-3 fatty acids, vitamin D, B vitamins, zinc, chromium, magnesium, and selenium have been implicated in the pathogenesis of both diabetes and mental disorders.
  • 1.0K
  • 19 Sep 2023
Topic Review
High-Fat Diets-Mediated Oxidative Stress
Cognitive dysfunction is linked to chronic low-grade inflammatory stress that contributes to cell-mediated immunity in creating an oxidative environment. Food is a vitally important energy source; it affects brain function and provides direct energy. Several studies have indicated that high-fat consumption causes overproduction of circulating free fatty acids and systemic inflammation. Immune cells, free fatty acids, and circulating cytokines reach the hypothalamus and initiate local inflammation through processes such as microglial proliferation.
  • 1.0K
  • 13 Aug 2021
Topic Review
Plant Food Byproducts as Antioxidant Dietary Fiber Sources
Traditionally, the fruit and vegetable processing industries have generated large amounts of byproducts, which can be used in the food industry as functional ingredients and can be considered as an abundant and economical source of valuable compounds such as polyphenols, vitamins, carotenoids, and dietary fiber. Here, researchers describe some examples of fruits and vegetables as excellent sources of antioxidant dietary fiber. 
  • 1.0K
  • 01 Feb 2023
Topic Review
Vitamin D and Infertility
Vitamin D plays a crucial role in calcium and phosphate homeostasis, by increasing intestinal calcium absorption and renal calcium reabsorption.  For vitamin D, accumulating evidence from observational human studies suggests a key role for both male and female fertility.
  • 1.0K
  • 03 Sep 2021
Topic Review
Anti-Depressive Effects of Tea Consumption
Current theories on the neurobiology of depression may be utilized to understand tea (Camellia sinensis)-mediated mechanisms of antidepressant activity. Major nodes within a unified network framework of depression, or major depressive disorder (MDD), included hypothalamic-pituitary-adrenal (HPA) axis hyperactivity, inflammation, weakened monoaminergic systems, reduced neurogenesis/neuroplasticity, and poor microbiome diversity affecting the gut–brain axis. We detail how each node has subsystems within them, including signaling pathways, specific target proteins, or transporters that interface with compounds in tea to mediate their antidepressant effects. A major pathway was found to be the ERK/CREB/BDNF signaling pathway, up-regulated by a number of compounds in tea including teasaponin, L-theanine, EGCG and combinations of tea catechins and their metabolites. Black tea theaflavins and EGCG are potent anti-inflammatory agents via down-regulation of NF-κB signaling. Multiple compounds in tea are effective modulators of dopaminergic activity and the gut–brain axis. Together, tea-mediated effects on depression pathology are encompassed by our original “reduce and restore” hypothesis; tea phytonutrients act upon multiple MDD nodes to ameliorate depression pathology, including reduction of HPA axis hyperactivity; reduction of inflammation; restoration of monoaminergic systems, including restoration of neurologically active gut microbiota, and restoration of neurogenesis/neuroplasticity.
  • 1.0K
  • 22 Sep 2021
Topic Review
Marine Bioactive Peptides
Bioactive peptides from marine organisms can benefit human health and nutrition, while being produced sustainably. This entry describes properties and features of over 250 peptides isolated from marine organisms, focusing on food sources  also including algae, mollusks and vertebrates.
  • 1.0K
  • 03 Nov 2020
  • Page
  • of
  • 40
Featured Entry Collections
>>

Featured Reprints

>>
Encyclopedia of Digital Society, Industry 5.0 and Smart City
Encyclopedia of Engineering
Encyclopedia of Social Sciences
Encyclopedia of Medieval Royal Iconography
Academic Video Service
Feedback

Quick Survey

Encyclopedia MDPI is conducting a targeted survey to identify the specific barriers hindering efficient research. We invite you to spend 3 minutes defining the priorities for our next generation of structured knowledge tools.
Take Survey