: The bidirectional selection of the Roman low- (RLA) and Roman high-avoidance (RHA) rat strains for extremely slow vs. very rapid acquisition of the two-way (shuttle-box) avoidance response has generated two divergent phenotypic profiles: RHA rats exhibit a behavioural pattern and gene expression profile in the frontal cortex and hippocampus (HPC) that are relevant to social and attentional/cognitive schizophrenia-linked symptoms; on the other hand, RLA rats display phenotypic traits linked to increased anxiety and sensitivity to stress-induced depression-like behaviours. The present studies aimed to evaluate the enduring and potentially positive effects of neonatal handling-stimulation (NH) on the traits differentiating these two strains of rats.
View Article and Find Full Text PDFOrthod Craniofac Res
August 2025
Objective (s): This study aims to evaluate and compare the cytotoxic effects of five commonly used clear aligner brands- ClearCorrect, Invisalign, Spark, SureSmile and Essix PLUS- on various cell lines in order to assess their in vitro cytotoxicity and safety.
Materials And Methods: Three cell lines- MRC-5, 3 T3-L1 and Vero- were exposed to the conditioned medium of clear aligner materials. Cytotoxicity was assessed using the MTT assay.
Cancer is a major cause of morbidity and mortality across the globe, with a substantial increase in cases anticipated over the next few decades. Given the constraints and adverse effects associated with standard cancer therapies, the contribution of diet and nutraceuticals to cancer prevention and treatment is receiving increased scrutiny. A diet rich in plant-based foods, extra virgin olive oil (EVOO), and bioactive compounds, including the Mediterranean Diet, has been associated with reduced cancer risk and improved treatment outcomes.
View Article and Find Full Text PDFBackground: Polyphenols have garnered significant interest because of their potential health benefits, but their bioavailability is limited. According to recent studies, in vivo metabolites of phenol compounds may mediate their biological activity, potentially countering systemic oxidation and inflammation and therefore reducing multi-organ dysfunction associated with gut microbiota alterations. This pre-clinical study aims to characterize a novel formulation, enhancing metabolite bioavailability, ensuring long-term stability, and employing sustainable production methods.
View Article and Find Full Text PDFOlive oil's health benefits are widely known and extensively documented; its advantages are widespread, covering numerous areas of human health. Clinical and experimental data indicate that a Mediterranean Diet (MedDiet) with Extra Virgin Olive Oil (EVOO) lowers the risk of illnesses associated with oxidative stress, chronic inflammation, and weakened immunity, including cancer and cardiovascular disease (CVD). The European Food Safety Authority (EFSA) confirms that olive oil's polyphenols help protect blood lipids against oxidative damage; thus, EVOO, crucial in the MedDiet, could be a functional food component.
View Article and Find Full Text PDFJ Pediatr Gastroenterol Nutr
August 2025
Objectives: Interest is growing in the use of blended diets (BD) in children with gastrostomy. Evidence supporting the benefits of BD is conflicting, with limited data to assist physicians in clinical practice. The present survey aims to evaluate current use of BD in children and adolescents with gastrostomy.
View Article and Find Full Text PDFHuman topoisomerase II (topoII) is a well-known and validated target for cancer treatment. We previously reported a first set of 6-amino-tetrahydroquinazoline derivatives as novel human topoII inhibitors. Here, we report on the expansion and this molecular scaffold and present 17 additional analogs centered on the tetrahydropyrido[4,3-d]pyrimidine heterocycle.
View Article and Find Full Text PDFThe significance of thiamine in human health is linked to its role in several pathways that control different disease processes. Significant improvements in cardiometabolic diseases, substantially impacted by thiamine imbalances, are observed with thiamine supplementation. Diabetic patients could see a reduction in cardiovascular (CV) risk due to thiamine's significant impact on glucose metabolism.
View Article and Find Full Text PDFThe isolation, structural elucidation, and synthesis of pure thiamin were achieved in 1936, marking a milestone in vitamin research. As an organic compound soluble in water, thiamin is essential for carbohydrate metabolism in plants and animals, and in its active form-as part of the thiamin pyrophosphate coenzyme-performs these functions. Thereby, thiamin represents an essential vitamin to human health and is involved in several pathways that regulate several pathophysiological mechanisms.
View Article and Find Full Text PDFThe dietary supplement citrulline might increase nitric oxide levels, leading to vasodilation and improved blood flow, potentially benefiting athletes' aerobic exercise performance. However, rapid oxidative impairment of the L-arginine/nitric oxide (NO) pathway limits these effects. This is countered by Bergamot Polyphenolic Fraction Gold (BPFG), a strong natural antioxidant.
View Article and Find Full Text PDFSirtuin 1 (SIRT1), a NAD+ -dependent histone deacetylase, plays a crucial role in mitigating oxidative stress, regulating inflammation, and maintaining mitochondrial function. Reduced SIRT1 activity has been linked to elevated pro-inflammatory cytokines, mitochondrial dysfunction, and chronic pain, all of which are observed in long COVID pathology. Emerging evidence identifies mitochondrial dysfunction and oxidative stress as central contributors to these symptoms.
View Article and Find Full Text PDFAll the fruits that are or were green accumulate phyllobilins, which are the terminal chlorophyll catabolites. Phyllobilins are part of our daily diet, however, only a few structures have been identified in edible species. To unravel the phyllobilin biosynthetic pathway in fruits, a robust database with 956 phyllobilins was built and taking advantage of our metabolomic approach, three new phyllobilins were identified in melon fruits.
View Article and Find Full Text PDFInt J Law Psychiatry
May 2025
This study explores the gap between Spain's mental health legal framework and the lived experiences of users and survivors of psychiatry, including persons with psychosocial disabilities. Employing a socio-legal methodology, it critically contrasts domestic legislation with qualitative data from interviews, uncovering systemic issues that perpetuate coercive practices such as inadequate judicial oversight and the routine use of coercion and isolation. The findings highlight a significant failure to protect patient autonomy and dignity.
View Article and Find Full Text PDFIn this manuscript, the effects of two extracts from were tested: (a) an extract titrated to 49.7% of andrographolide and obtained from leaves of the plant: (b) the pure andrographolide titrated to 99%. The extracts were dissolved in 1-butanol and tested on tumor lines (MCF7 and SH-SY5Y) and the non-tumor line (Huvec) to understand the effects on cell proliferation.
View Article and Find Full Text PDFArch Argent Pediatr
June 2025
Heart failure (HF) is a complex condition that affects 1-2% of the global population. The presence of comorbidities like diabetes, hypertension, hyperlipidemia, or obesity has been shown in various studies to elevate mortality and hospitalization rates in HF patients. Insufficient outcomes persist in HF, necessitating additional research to address unmet needs in disease management.
View Article and Find Full Text PDFIrritable bowel syndrome (IBS) is a complex and often debilitating condition that significantly impacts the gastrointestinal system and the overall quality of life of those affected. IBS is characterized by a variety of distressing symptoms, including cramping, abdominal pain, and irregular bowel movements, underlined by an intricate interplay of immune system dysfunction in its pathology. Numerous studies highlight an increased cellular immune response, with elevated levels of proinflammatory cytokines, mucosal alterations due to immune imbalance, and visceral hypersensitivity.
View Article and Find Full Text PDFMicrobiota, composed of micro-organisms like bacteria, viruses, and non-pathogenic fungi, plays a crucial role in digestion, vitamin production, and protection against dangerous microbes. Several factors, including age, diet, alcohol consumption, stress, environmental microorganisms, and therapies (particularly antibiotics), as well as birth and nursing, could modify the microbiota. Recent research has highlighted its alteration and involvement in a various disease, including metabolic syndrome and acne.
View Article and Find Full Text PDFThe stress-induced alterations in cognitive processes and psychiatric disorders can be accelerated when acute stressors challenge the hippocampal functions. To address this issue, we used Western Blot (WB) and immunohistochemistry assays to investigate the impact of acute forced swimming (FS) on the expression of the CB1 cannabinoid receptors (CB1R) in the hippocampus (HC) of the male outbred Roman High- (RHA) and Low-Avoidance (RLA) rat lines, one of the most validated genetic models for the study of behavior related to fear/anxiety and stress-induced depression. The distinct responses to FS confirmed the different behavioral strategies displayed by the two phenotypes when exposed to stressors, with RLA and RHA rats displaying reactive vs.
View Article and Find Full Text PDFObjective: To analyze social representations from the perspective of the silent zone of health professionals regarding HIV serodifference.
Method: This is a qualitative study, based on the theoretical-methodological framework of Social Representations, with the Theory of the Central Nucleus and Mute Zone by Jean Claude Abric. 51 professionals from specialized services from the metropolitan region of a capital in the northeast of Brazil participated, from October to December 2020.
Peri-menopausal discomfort can have a detrimental effect on the physical health of women due to physiological and behavioral changes. Estrogen and progesterone-based hormone therapy can alleviate menopausal symptoms, but estrogen supplementation may have negative health effects. The effectiveness of hormone replacement therapy using natural compounds for peri-menopausal disorders is still uncertain.
View Article and Find Full Text PDFMorphine is an important pain reliever employed in pain management, its extended utilize is hindered by the onset of analgesic tolerance and oxidative stress. Long-term morphine administration causes elevated production of reactive oxygen species (ROS), disrupting mitochondrial function and inducing oxidation. Sirtuin 3 (SIRT3), a mitochondrial protein, is essential in modulating ROS levels by regulating mitochondrial antioxidant enzymes as manganese superoxide dismutase (MnSOD).
View Article and Find Full Text PDFAdhering to a healthy diet has a protective effect on human health, including a decrease in inflammatory diseases due to consuming fiber. The purpose of this manuscript was to obtain and compare two extracts based on fiber (BF and IF-C), derived from two plants particularly present in the Mediterranean region: bergamot () and prickly pear (). The parts used by these plants have been the "pastazzo" for the bergamot and the cladodes for the prickly pear.
View Article and Find Full Text PDFThe use of synthetic cannabinoid receptor agonists (SCRAs) represents a public health concern. Besides abuse liability and cognitive impairments, SCRAs consumption is associated with serious medical consequences in humans, including cardiotoxicity. The precise mechanisms underlying cardiac or other toxicities induced by SCRAs are not well understood.
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