Publications by authors named "Papadakis M"

Inflammatory bowel disease is a collection of intestinal disorders that cause inflammation in the digestive tract. Prolonged inflammation in the gastrointestinal tract is a major risk factor for colorectal cancer. The objective of this study was to fucus on gene expression levels of (KRT-14; associated with epithelial cell integrity) and enhancer of zeste homolog-1 (EZH-2; involved in cellular proliferation) in a IBD rat model in order to rule out impact of nutraceuticals (pumpkin seed oil; PSO) as a complementary approach to conventional treatments of IBD.

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Cerebrolysin (CBL) is a combination of neurotrophic peptides and amino acids derived from pig brains. CBL can cross the blood-brain barrier (BBB) and its biological effect is similar to the effect of endogenous neurotrophic effects. The mechanism of action of CBL is related to the induction of neurogenesis, neuroplasticity, neuroprotection, and neurotrophicity.

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The functions of the heart and brain are closely linked and essential to support human life by the heart-brain axis, which is a complex interconnection between the heart and brain. Also, cardiac function and cerebral blood flow regulate the brain's metabolism and function. Therefore, deterioration of cardiac function may affect cognitive function and may increase the risk of dementia.

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Background: Fascioliasis represents one of the most significant parasitic and foodborne zoonotic diseases in the world. Resistance to currently deployed human and veterinary flukicides is a growing health problem. Zinc oxide nanoparticles (ZnO-NPs) have developed enormous importance in nanomedicine.

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The hydrothermal synthesis is presented of copper-doped carbon dots (Cu-CDs) from citric acid, urea, and copper chloride, resulting in blue-fluorescent particles with stable emission at 438 nm when excited at 340 nm. Through comprehensive spectroscopic and microscopic characterization (FTIR, XPS, UV, and HRTEM), the Cu-CDs demonstrated remarkable stability across varying pH levels, ionic strengths, temperatures, and UV exposure. Notably, Cu-CDs exhibit ultra-sensitive and selective detection of hexavalent chromium [Cr(VI)] ions in aqueous environments driven by fluorescence quenching.

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Backgorund: This study aimed to explore the relationship between different types of skin cancer and factors such as sun exposure and photoprotection measures in a Greek cohort on the island of Crete.

Methods: This cross-sectional observational study was conducted in the Dermatology Department of the University Hospital in Heraklion, Crete, between January 2019 and January 2024. The study population included consecutive patients diagnosed with basal cell carcinoma (BCC), squamous cell carcinoma (SCC), and malignant melanoma (MM), as well as healthy controls.

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Epilepsy is a neurological disease characterized by unprovoked recurrent epileptic seizures. Temporal lobe epilepsy (TLE) is the commonest type of focal epilepsy in adults that resist to the conventional anti-seizure medications (ASMs). Interestingly, ASMs do not affect the epileptogenesis and progression of disease.

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Article Synopsis
  • Vascular dementia (VaD) is the second most common type of dementia after Alzheimer’s disease, characterized by cognitive impairment and memory loss, often linked to cerebral amyloid angiopathy (CAA).
  • Early diagnosis and the use of anti-inflammatory treatments can potentially prevent the development of VaD, but there are currently no effective drugs available specifically for its management.
  • Statins, commonly used for lowering cholesterol, may show promise in treating VaD and improving cognitive function, but the exact mechanisms of their effectiveness are still not well understood.
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The effects of triathlon exercise on cardiac function are well documented. While Olympic triathlon (swim-bike-run) remains the standard format, increasing concerns about water quality in natural waterways present ongoing challenges for open-water swimming events, highlighting the potential need to consider alternative formats such as duathlon (run-bike-run) in some circumstances. An additional run may increase the overall metabolic and cardiovascular demand compared with the swim in triathlon, leading to reduced future performance.

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Alzheimer's disease (AD) is a neurodegenerative disease characterized by cognitive impairment and memory deficit. Even with extensive research and studies, presently, there is no effective treatment for the management of AD. Besides, most of drugs used in the treatment of AD did not avert the AD neuropathology, and the disease still in a progressive status.

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Aims: Sudden arrhythmic death syndrome (SADS) refers to a sudden death, which remains unexplained despite comprehensive post-mortem examination and a toxicological screen. We aimed to investigate the impact of age and sex on the overall diagnostic yield and underlying aetiology in decedents with SADS using a combined approach of familial evaluation (FE) and molecular autopsy (MA).

Methods And Results: Consecutive referrals to a single centre for FE only, MA only or both, following a SADS death were included.

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Type 2 diabetes (T2D) is a chronic metabolic disorder caused by defective insulin signaling, insulin resistance, and impairment of insulin secretion. Autophagy is a conserved lysosomal-dependent catabolic cellular pathway involved in the pathogenesis of T2D and its complications. Basal autophagy regulates pancreatic β-cell function by enhancing insulin release and peripheral insulin sensitivity.

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The metabolic syndrome (MetS) is a clustering of abdominal obesity, hypertension, hyperglycaemia, hypertriglyceridemia and low high-density lipoprotein (HDL) level. MetS development is affected by endocrine hormones such as prolactin (PRL) hormone which induce insulin resistance and central obesity because PRL is implicated in the pathogenesis of MetS. Pituitary PRL controls mammary gland, however extra-pituitary PRL is highly intricate in the regulation of adipose tissue function.

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Due to the complex pathophysiology of AD (Alzheimer's Disease), there are currently no effective clinical treatments available, except for acetylcholinesterase inhibitors. However, CREB (cyclic AMP-responsive element binding protein) has been identified as the critical factor for the transcription in memory formation. Understanding the effect of potential drugs on the CREB pathway could lead to the development of new therapeutic molecules.

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Leukaemia, a group of haematological malignancies, presents ongoing diagnosis, prognosis, and treatment challenges. A major obstacle in treating this disease is the development of drug resistance. Overcoming drug resistance poses a significant barrier to effective leukaemia treatment.

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Type 2 diabetes mellitus (T2DM) is developed due to the development of insulin resistance (IR) and pancreatic β cell dysfunction with subsequent hyperglycaemia. Hyperglycaemia-induced oxidative stress and endoplasmic reticulum (ER) stress enhances inflammatory disorders, leading to further pancreatic β cell dysfunction. These changes trigger autophagy activation, which recycles cytoplasmic components and injured organelles.

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The metabolic syndrome or syndrome X is a clustering of different components counting insulin resistance (IR), glucose intolerance, visceral obesity, hypertension and dyslipidemia. It has been shown that IR and dysregulation of insulin signalling play a critical role in the development of metabolic syndrome by initiating the pathophysiology of metabolic syndrome through induction of glucolipotoxicity, impairment of glucose disposal and triggering of pro-inflammatory response. Furthermore, metabolic syndrome unfavourably affects the cognitive function and the development of different neurodegenerative diseases such as Alzheimer disease (AD) by inducing oxidative stress, neuroinflammation and brain IR.

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Article Synopsis
  • - Sudden cardiac arrest and death can affect athletes of all ages and competition levels, representing a significant and preventable public health issue globally.
  • - There is uncertainty around the exact rates of these incidents due to insufficient reporting and lack of infrastructure, and disparities exist in outcomes between Black and White athletes.
  • - Causes vary by age, with younger athletes often facing genetic heart issues while older athletes typically experience coronary artery disease; emergency action plans are crucial for effective cardiac care.
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Background: Wound healing is a complex procedure that requires the coordination of several factors, so this study aimed to assess the zinc oxide nanoparticles' regenerated effect and stem cell exosomes on full-thickness wounds in rats.

Methods: Seventy-two Wistar male rats were subjected to a full-thickness skin defect (20 mm2) on the dorsal surface of each rat between two shoulder joints. The rats were randomized into four groups (18/group) according to wound treatments.

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  • The study investigates the link between motor subtypes of Parkinson's disease (PD) and the severity of depressive symptoms, suggesting that non-motor symptoms, particularly related to sleep, are critical to understanding patient disability.
  • It involved 64 PD patients categorized into two groups: those with postural instability and gait disorder (PIGD) and those with other motor symptoms, using various assessment tools to measure sleep quality and mood.
  • Results showed that PIGD patients experienced more severe depressive symptoms and poorer sleep quality, indicating that sleep issues could predict higher depression severity in PD patients.
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Article Synopsis
  • * The transmission of this disease requires freshwater snails and human contact with contaminated water, with no effective vaccines currently available despite ongoing research into potential candidates.
  • * Praziquantel (PZQ) is a key medication for treating schistosomiasis, but its widespread use has raised concerns about drug resistance, while reinfection in high-risk areas and immature worms limit its effectiveness, highlighting the urgent need for a vaccine.
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Physical activity (PA) is established as a cornerstone of cardiovascular health, however, disparities in participation exist across sociocultural groups, which in turn affect cardiovascular outcomes. Evidence suggests that although the positive cardiovascular effects of exercise are consistent across populations, notable differences in the magnitude of these benefits exist for racial and ethnic minorities and the female sex. Women derive greater protection from PA compared with men, with reduced rates of sudden cardiac death.

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Magnesium is an essential nutrient for various physiological processes and becomes even more vital during pregnancy, contributing to muscle relaxation, bone development, electrolyte balance, and blood pressure regulation. Despite the fact that the dietary sources of magnesium are diversified, it is still challenging to obtain it in sufficient quantities during pregnancy. We have elucidated its interactions and its specific impact on maternal-fetal health in different research publications.

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Background: Renal ischemia-reperfusion injury (IRI) is a significant contributor to renal dysfunction, acute kidney injury (AKI), and associated morbidity and mortality. Resveratrol, a polyphenol and phytoalexin, is known for its anti-inflammatory, antioxidant, and anti-cancer properties. This study investigates the nephroprotective potential of resveratrol in a rat model of renal IRI.

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