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Topic Review
Polyphenols in Metabolic Diseases
Polyphenols (PPs) are a large group of phytochemicals containing phenolic rings with two or more hydroxyl groups. They possess powerful antioxidant properties, multiple therapeutic effects, and possible health benefits in vivo and in vitro, as well as reported clinical studies. Considering their free-radical scavenging and anti-inflammatory properties, these substances can be used to treat different kinds of conditions associated with metabolic disorders. Many symptoms of metabolic syndrome (MtS), including obesity, dyslipidemia, atherosclerosis, elevated blood sugar, accelerating aging, liver intoxication, hypertension, as well as cancer and neurodegenerative disorders, are substantially relieved by dietary PPs.
  • 1.1K
  • 25 Oct 2022
Topic Review
Polymorphisms in Vitamin D-Related Genes
Vitamin D deficiency represents a major healthcare problem. Vitamin D status is influenced by genetic and environmental determinants. Several observational studies have evaluated the association of single-nucleotide polymorphisms (SNPs) in vitamin D-related genes and vitamin D levels. Nevertheless, little is known about the role of these SNPs in the response to vitamin D supplementation. We conducted an interventional study to define the association between SNPs in vitamin D-related genes and the response to vitamin D supplementation in 100 self-reported healthy women of Arab ancestry for the majority. Methods. A total of 100 healthy female subjects received a weekly oral dose of 50,000 IU vitamin D for 12 weeks. Serum vitamin D concentration and metabolic profiles were measured at baseline and 12 weeks post-vitamin D supplementation. The genotypes of 37 SNPs selected from previously reported vitamin D-related genes have been assessed by Fluidigm genotyping assay. Results. Rs731236 (VDR gene) and rs7116978 (CYP2R1 gene) showed a significant association with vitamin D status. The rs731236 GG genotype and the rs7116978 CC genotype were associated with a “vitamin D sufficiency” state. Rs731236 GG and rs7116978 CC genotypes showed a higher response to vitamin D supplementation. Transcription factor binding site prediction analysis showed altered binding sites for transcription factors according to the different rs7116978 alleles. Interestingly, the 37 SNPs previously established to play a role in vitamin D-related pathways explained very little of the response to vitamin D supplementation in our cohort, suggesting the existence of alternative loci whose number and effect size need to be investigated in future studies. Conclusion. In this paper, we present novel data on vitamin D-related SNPs and response to vitamin D supplementation demonstrating the feasibility of applying functional genomic approaches in interventional studies to assess individual-level responses to vitamin D supplementation.
  • 1.1K
  • 31 Aug 2020
Topic Review
Postprandial Hyperglycemia
Postprandial hyperglycemia (PPHG) is strongly linked with the future development of cardiovascular complications in type 2 diabetes (T2D).
  • 1.1K
  • 17 May 2021
Topic Review
Vitamin D Fortification
By utilizing historical changes in Danish legislation related to mandatory vitamin D fortification of margarine, which was implemented in the mid 1930s and abruptly abandoned in June 1985, the studies in the D-tect project investigated the effects of vitamin D on health outcomes in individuals, who during gestation were exposed or unexposed to extra vitamin D from fortified margarine.
  • 1.1K
  • 30 Aug 2021
Topic Review
Diet in IBD Remission
Identification of the dietary triggers of inflammatory bowel diseases (IBD) and of a dietary regime which can be followed in the long-term by patients, is of paramount importance. Hence, we performed a comprehensive and detailed review of the literature about the role of diet in the maintenance of clinical remission in Crohn’s disease (CD) and Ulcerative colitis (UC), in both adult and paediatric patients. More specifically, we investigated:1) the efficacy of food reintroduction protocols in maintaining clinical remission in patients with CD, following induction of remission with nutritional therapies2.) the efficacy of dietary therapies, including strategies using maintenance enteral nutrition or ordinary food-based diets, on reducing clinical relapse rates in patients with CD and UC3.) the association of dietary components with the risk of developing a clinical relapse in patients with CD and UCFurthermore, we included specific study-related recommendations, which we believe should form the basis of future research studies investigating the role of diet in maintaining clinical remission in IBD.
  • 1.1K
  • 21 Apr 2021
Topic Review
Brain processing: sugar and sweeteners
This entry aimed to reveal the differential brain processing of sugars and sweeteners in humans. Functional magnetic resonance imaging studies published up to 2019 were retrieved from two databases and were included into the review if they evaluated the effects of both sugars and sweeteners on the subjects’ brain responses, during tasting and right after ingestion. Twenty studies fulfilled the inclusion criteria. The number of participants per study ranged from 5 to 42, with a total number of study participants at 396. Seven studies recruited both males and females, 7 were all-female and 6 were all-male. There was no consistent pattern showing that sugar or sweeteners elicited larger brain responses. Commonly involved brain regions were insula/operculum, cingulate and striatum, brainstem, hypothalamus and the ventral tegmental area. Future studies, therefore, should recruit a larger sample size, adopt a standardized fasting duration (preferably 12 h overnight, which is the most common practice and brain responses are larger in the state of hunger), and reported results with familywise-error rate (FWE)-corrected statistics. Every study should report the differential brain activation between sugar and non-nutritive sweetener conditions regardless of the complexity of their experiment design. These measures would enable a meta-analysis, pooling data across studies in a meaningful manner.
  • 1.1K
  • 19 Oct 2020
Topic Review
Bioactive Factors in Human Breastmilk
Maternal milk, a complex fluid with several bioactive factors, is the best option for the newborn. Its dynamic composition is influenced by diverse factors such as maternal age, lactation period, and health status. 
  • 1.1K
  • 11 Aug 2022
Topic Review
Nutrition on Adiponectin
Adiponectin is one of the most important adipokines. It is a bioactive peptide composed of 244 amino acids constituting approximately 0.01% of plasma proteins.
  • 1.1K
  • 24 May 2021
Topic Review
Eating Timing and Obesity/Metabolic Risk
Eating is fundamental to survival. Animals choose when to eat depending on food availability. The timing of eating can synchronize different organs and tissues that are related to food digestion, absorption, or metabolism, such as the stomach, gut, liver, pancreas, or adipose tissue. Studies performed in experimental animal models suggest that food intake is a major external synchronizer of peripheral clocks. 
  • 1.1K
  • 12 Aug 2021
Topic Review
Vitamin B12 Deficiency in Adults
In this entry, we focused our attention on some case reports related to the vitamin B12 deficiency associated to anemia, neurologic disorders, and hyperhomocysteinemia. B12 deficiency reversal is simply achieved by prompt therapy, even though it is not the same for several disorders.
  • 1.1K
  • 08 Oct 2021
Topic Review
Vitamin Effects in Primary Dysmenorrhea
Primary dysmenorrhea is considered to be one of the most common gynecological complaints, affecting women’s daily activities and social life. The severity of dysmenorrhea varies among women, and its management is of high importance for them. Most of them supported the anti-inflammatory, antioxidant and analgesic properties of vitamins. 
  • 1.1K
  • 30 Jun 2023
Topic Review
Neuroinflammation in ASD
Autism Spectrum Disorder (ASD) is a complex neurodevelopmental disorder characterized by persistent deficits in social communication and social interaction across multiple contexts and restricted, repetitive patterns of behavior, interests and activities. The maternal status of polyunsaturated fatty acids (PUFA) regulates microglial activity and neuroinflammatory pathways during a child’s brain development. In children with ASD, the metabolism of PUFA is thought to be deficient or abnormal, leading to increased production of proinflammatory cytokines, increased oxidative stress and an imbalance in the formation and action of neurotransmitters. In addition, nutritional deficits in omega-3 PUFA may affect gut microbiota and contribute to ASD by the gut–brain axis.
  • 1.0K
  • 09 Oct 2021
Topic Review
Nutritional Factors Associated with Dental Caries
Nutrition and dietetic care span various life stages, addressing nutritional needs and exploring factors that shape dietary habits. Globally, an alarming disproportion in food resource distribution, coupled with substandard nutritional intake, underscores profound implications for oral health. 
  • 1.0K
  • 18 Dec 2023
Topic Review
Picky Eating
Picky eating is a complex phenomenon that is often characterized by parental perception of behaviors such as avoiding the intake of certain food groups, avoiding certain foods based on their sensory characteristics, requiring specific food presentations or preparations, eating a limited variety of food, and not eating an adequate amount of food. Several factors contribute to these mealtime behaviors, including early feeding practices (i.e., breastfeeding, introduction to solid food), repeated exposure to novel foods, and genetic taste sensitivity to certain compounds. It is important to better understand the contributors to picky eating in order to develop effective interventions, as persistent picky eating can have detrimental effects on long-term dietary intake and mealtime behaviors.
  • 1.0K
  • 14 Dec 2020
Topic Review
Mg2+ Transporters in Digestive Cancers
Magnesium (Mg2+) is one of the most important ions in health and is the second most abundant cation in the cell with a concentration estimated between 10 and 30 mM. Due to its importance, Mg2+, requires a specific transport system. In Mammals, several transporters have been identified (TRPM6/7, CNNM1/2/3/4, MAGT1, SLC41A1, MRS2). There is numerous evidence suggesting an association between Mg2+ intake and digestive cancer risk and/or development.
  • 1.0K
  • 02 Feb 2021
Topic Review
Low-Intake Dehydration in Older Adults
Low-intake dehydration is a common and often chronic condition in older adults. Adverse health outcomes associated with low-intake dehydration in older adults include poorer cognitive performance, reduced quality of life, worsened course of illness and recovery, and a high number of unplanned hospital admissions and increased mortality. The subjective methods to assess (risk of) dehydration are not reliable, and the evidence about preventive measures are also limited. So is the knowledge about the optimal intake of beverages per day. This narrative review presents the state of the science on the role of low intake hydration in older adults. Despite its simple cause—the inadequate intake of beverages—low-intake dehydration appears to be a very complex problem to address and much more research is needed in the area. Based on the existing evidence, it seems necessary to take setting specific differences and individual problems and needs into account to tackle dehydration in older adults. Further, it is necessary to increase awareness of the prevalence and severity of low-intake dehydration among older adults and in nursing staff in care homes and hospitals as well as among caregivers of older adults living at home.
  • 1.0K
  • 18 Oct 2021
Topic Review
Zinc Nutritional Status in Patients with Cystic Fibrosis
Zinc is an essential nutrient for all forms of life and its deficiency affects the normal growth and development of human beings. Zinc deficiency can be both inherited and acquired. Although severe zinc deficiency is extremely uncommon in European populations, marginal deficiency may be much more prevalent and is associated with immune system dysfunction and restricted physical development. Serum zinc concentration (SZC)  was associated with the nutritional status, expressed as BMI (Body Mass Index) and weight-for-height score, and dietary zinc intake with energy intake and weight-for-height score. No patient with hypozincemia had dietary zinc deficiency. 
  • 1.0K
  • 19 Jan 2023
Topic Review
Xanthophylls from the Sea
Xanthophylls (fucoxanthin, astaxanthin, lutein, zeaxanthin, and β-cryptoxanthin) are a type of carotenoids with anti-tumor and anti-inflammatory activities, due to their chemical structure rich in double bonds that provides them with antioxidant properties.
  • 1.0K
  • 24 Apr 2021
Topic Review
Multifactorial Etiology of Anemia in Celiac Disease
Celiac disease (CD) is a multisystemic disorder with different clinical expressions, from malabsorption with diarrhea, anemia, and nutritional compromise to extraintestinal manifestations. Anemia might be the only clinical expression of the disease, and iron deficiency anemia is considered one of the most frequent extraintestinal clinical manifestations of CD. Therefore, CD should be suspected in the presence of anemia without a known etiology. Assessment of tissue anti-transglutaminase and anti-endomysial antibodies are indicated in these cases and, if positive, digestive endoscopy and intestinal biopsy should be performed. Anemia in CD has a multifactorial pathogenesis and, although it is frequently a consequence of iron deficiency, it can be caused by deficiencies of folate or vitamin B12, or by blood loss or by its association with inflammatory bowel disease (IBD) or other associated diseases.
  • 1.0K
  • 12 Nov 2021
Topic Review
Copper/Zinc Ratio in Childhood and Adolescence
Both copper (Cu) and zinc (Zn) are crucial micronutrients for human growth and development. Children and adolescents with acute and chronic conditions are at greater risk of developing elevated Cu/Zn ratios, related to altered nutritional, infectious, and inflammatory status.
  • 1.0K
  • 18 Jan 2023
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