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Topic Review
Training Simulators for Gastrointestinal Endoscopy
Gastrointestinal (GI) endoscopy is the gold standard in the detection and treatment of early and advanced GI cancers. However, conventional endoscopic techniques are technically demanding and require visual-spatial skills and significant hands-on experience. GI endoscopy simulators represent a valid solution to allow doctors to practice in a pre-clinical scenario.
  • 1.4K
  • 09 Apr 2021
Topic Review
Pediatric Dosage Forms
The development of pediatric-specific dose forms is particularly difficult due to a variety of factors relating to pediatric population differences from adult populations. The buccal dosage form is considered a good alternative to oral dosage form if the latter cannot be used in pediatric patients. Both oral and buccal dosage formulations uphold great application qualities for pediatric patients.
  • 1.4K
  • 18 Apr 2022
Topic Review
Geographic Tongue
Geographic tongue, also known by several other terms, is a condition of the mucous membrane of the tongue, usually on the dorsal surface. It is a common condition, affecting approximately 2–3% of the general population. It is characterized by areas of smooth, red depapillation (loss of lingual papillae) which migrate over time. The name comes from the map-like appearance of the tongue, with the patches resembling the islands of an archipelago. The cause is unknown, but the condition is entirely benign (importantly, it does not represent oral cancer), and there is no curative treatment. Uncommonly, geographic tongue may cause a burning sensation on the tongue, for which various treatments have been described with little formal evidence of efficacy.
  • 1.4K
  • 20 Oct 2022
Topic Review
Uric Acid Oxidant/Antioxidant Paradox
Extracellular uric acid (UA) exhibits antioxidant properties by effectively scavenging free radicals in human plasma, but this benefit might be disturbed by the hydrophobic lipid layer of the cell membrane. In contrast, intracellular free oxygen radicals are produced during UA degradation, and superoxide is further enhanced by interacting with NADPH oxidase. This intracellular oxidative stress, together with inflammatory cytokines induced by UA, stimulates osteoclast bone resorption and inhibits osteoblast bone formation. UA also inhibits vitamin D production and thereby results in hyper-parathyroidism, which causes less UA excretion in the intestines and renal proximal tubules by inhibiting the urate transporter ATP-binding cassette subfamily G member 2 (ABCG2). 
  • 1.4K
  • 26 Aug 2021
Topic Review
Attachment Therapy
Attachment therapy (also called "the Evergreen model," "holding time," "rage-reduction," "compression therapy," "rebirthing," "corrective attachment therapy," and Coercive Restraint Therapy) is a pseudoscientific child mental health intervention intended to treat attachment disorders. It is found primarily in the United States, and much of it is centered in about a dozen clinics in Evergreen, Colorado, where Foster Cline, one of the founders, established his clinic in the 1970s. The practice has resulted in adverse outcomes for children, including at least six documented child fatalities. Since the 1990s there have been a number of prosecutions for deaths or serious maltreatment of children at the hands of "attachment therapists" or parents following their instructions. Two of the most well-known cases are those of Candace Newmaker in 2000 and the Gravelles in 2003. Following the associated publicity, some advocates of attachment therapy began to alter views and practices to be less potentially dangerous to children. This change may have been hastened by the publication of a Task Force Report on the subject in January 2006, commissioned by the American Professional Society on the Abuse of Children (APSAC) which was largely critical of attachment therapy. In April 2007, ATTACh, an organization originally set up by attachment therapists, formally adopted a White Paper stating its unequivocal opposition to the use of coercive practices in therapy and parenting, promoting instead newer techniques of attunement, sensitivity and regulation. Attachment therapy is primarily based on Robert Zaslow's rage-reduction therapy from the 1960s and '70s and on psychoanalytic theories about suppressed rage, catharsis, regression, breaking down of resistance and defence mechanisms. Zaslow, Tinbergen, Martha Welch and other early proponents used it as a treatment for autism, based on the now discredited belief that autism was the result of failures in the attachment relationship with the mother. This form of treatment differs significantly from evidence-based attachment-based therapies, talking psychotherapies such as attachment-based psychotherapy and relational psychoanalysis.
  • 1.4K
  • 14 Oct 2022
Topic Review
Folate and Migraines
Migraines are a common disease with limited treatment options and some dietary factors are recognized to trigger headaches. Although migraine pathogenesis is not completely known, aberrant DNA methylation has been reported to be associated with its occurrence. Folate, an essential micronutrient involved in one-carbon metabolism and DNA methylation, was shown to have beneficial effects on migraines.
  • 1.4K
  • 09 Oct 2021
Topic Review
Oxidative Stress
Oxidative stress (OxS) is considered a major factor in the pathophysiology of inflam-matory chronic liver diseases, including non-alcoholic liver disease (NAFLD). Chronic impairment of lipid metabolism is closely related to alterations of the oxidant/antioxidant balance, which affect metabolism-related organelles, leading to cellular lipotoxicity, lipid peroxidation, chronic endo-plasmic reticulum (ER) stress, and mitochondrial dysfunction. Increased OxS also triggers hepatocytes stress pathways, leading to inflammation and fibrogenesis, contributing to the pro-gression of non-alcoholic steatohepatitis (NASH). The antioxidant response, regulated by the Nrf2/ARE pathway, is a key component in this process and counteracts oxidative stress-induced damage, contributing to the restoration of normal lipid metabolism. 
  • 1.4K
  • 27 Jan 2022
Topic Review
Peripheral Neuropathy Related to Connective Tissue Diseases
Although peripheral neuropathy (PN) is a common complication in connective tissue diseases (CTD) and has been well studied, recent research has shown that PN is more diverse and frequent in different subtypes of CTD than was expected. The incidence of PN in Sjögren's syndrome and rheumatoid arthritis (RA) varies according to different disease subtypes, and the pathogenesis of neuropathic pain in different subtypes of eosinophilic granulomatosis with polyangiitis (EGPA) may also differ. Neurogenic inflammation, autoantibody-mediated changes, ischemia of the vascular wall and metabolic mechanisms have been shown to contribute to the pathogenesis of PN in CTD. Moreover, allergic inflammation has been recently identified as a possible new mechanism producing peripheral neuropathic pain associated with MPO-ANCA negative EGPA patients. Glucocorticoids are routinely used to relieve pain caused by PN. However, these steroids may cause hyperalgesia, exacerbate neuropathic pain, and activate the early phase of pain induction and produce hyperalgesia. Recently, neuroactive steroids, such as progesterone, tetrahydroprogesterone and testosterone, have been shown to exert protective effects for several PN symptoms, and in particular neuropathic pain. Neuroactive steroids will be an interesting topic for future research into PN in CTD.
  • 1.4K
  • 28 Mar 2022
Topic Review
Antiviral Functional Foods
Functional foods optimize the immune system capacity to prevent and control pathogenic viral infections. Functional foods prevention of non-communicable disease can be translated into protecting against respiratory viral infections and COVID-19. Foods with antiviral properties include fruits, vegetables, fermented foods and probiotics, olive oil, fish, nuts and seeds, herbs, roots, fungi, amino acids, peptides, and cyclotides. 
  • 1.4K
  • 10 Oct 2020
Topic Review
Endothelium in Cardiovascular Sequelae of Long COVID
The vascular endothelium is the innermost layer of blood vessels and, at the same time, a dynamic structure that is vital for the regulation of vascular health and homeostasis. More and more patients complained of signs and symptoms developing after SARS-CoV-2 infection and persisting for more than 12 weeks, not explained by an alternative diagnosis. This new nosographic entity has been defined as long COVID or post-COVID-19 syndrome by the National Institute for Health and Care Excellence (NICE).
  • 1.4K
  • 22 Aug 2023
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