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Topic Review
DL Techniques and Imaging in Head and Neck
Deep learning (DL) systems utilize complex algorithms and neural networks featuring numerous intricate layers in order to make decisions and solve advanced problems. Their application in medicine, and specifically in otorhinolaryngology has increased rapidly. The head and neck region is among the most common locations for cancer, with a substantial occurrence of lymph node involvement and metastases observed in both nearby and distant regions. 
  • 143
  • 21 Nov 2023
Topic Review
Major Genetic Factors Involved in Liver Diseases Pathogenesis
Over the past century, our genetic background has not changed, but chronic diseases are on the rise globally. In addition to the genetic component, the critical factors for many diseases are lifestyle, eating changes, exposure to drugs, xenobiotics, alcohol, smoking, polluted air, etc. These techniques include genome-wide association studies (GWAS) that allow the identification of unknown genetic risk factors, positional cloning of unknown genes associated with different diseases, the gene tests for single nucleotide variants (SNVs), and next-generation sequencing (NGS) of selected genes or/and the entire genome. Gut microbiome composition and its metabolites are not only regulating factors in carcinogenesis (including de novo after liver transplantation) but also in xenobiotics and anticancer treatment failure, observations that may be related to the genetic background of the individuals.
  • 636
  • 21 Nov 2023
Topic Review
Prebiotic Boron-Containing Compounds in Complex Regional Pain Syndrome
Studies have demonstrated that individuals with complex regional pain syndrome (CRPS) often exhibit dysbiosis, with imbalances in beneficial and pathogenic gut bacteria. Dysbiosis can lead to increased gut permeability and systemic inflammation, contributing to the chronic pain experienced in CRPS. B, an essential trace element, has shown promise in modulating the gut microbiome positively and exerting anti-inflammatory effects. Preclinical and clinical studies suggest that B supplementation may alleviate neuropathic pain and improve CRPS symptoms by restoring microbiota balance and reducing inflammation. 
  • 208
  • 21 Nov 2023
Topic Review
Types of Mesenchymal Stem Cells from Oral Cavity
Adult mesenchymal stem cells are those obtained from the conformation of dental structures (DMSC), such as deciduous and permanent teeth and other surrounding tissues. 
  • 637
  • 21 Nov 2023
Topic Review
TLR4 Signaling in Hepatocellular Carcinoma Immunotherapy
Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer and is a leading cause of cancer-related death worldwide. Immunotherapy has emerged as the mainstay treatment option for unresectable HCC. Toll-like receptor 4 (TLR4) plays a crucial role in the innate immune response by recognizing and responding primarily to bacterial lipopolysaccharides. In addition to its role in the innate immune system, TLR4 has also been implicated in adaptive immunity, including specific anti-tumor immune responses. In particular, the TLR4 signaling pathway seems to be involved in the regulation of several cancer hallmarks, such as the continuous activation of cellular pathways that promote cell division and growth, the inhibition of programmed cell death, the promotion of several invasion and metastatic mechanisms, epithelial-to-mesenchymal transition, angiogenesis, drug resistance, and epigenetic modifications. Emerging evidence further suggests that TLR4 signaling holds promise as a potential immunotherapeutic target in HCC
  • 346
  • 21 Nov 2023
Topic Review
From CGRP to PACAP: Novel Antimigraine Drug Targets
Migraine is a neurovascular disorder that can be debilitating for individuals and society. Current research focuses on finding effective analgesics and management strategies for migraines by targeting specific receptors and neuropeptides. Nonetheless, newly approved calcitonin gene-related peptide (CGRP) monoclonal antibodies (mAbs) have a 50% responder rate ranging from 27 to 71.0%, whereas CGRP receptor inhibitors have a 50% responder rate ranging from 56 to 71%. To address the need for novel therapeutic targets, researchers are exploring the potential of another secretin family peptide, pituitary adenylate cyclase-activating polypeptide (PACAP), as a ground-breaking treatment avenue for migraine. Preclinical models have revealed how PACAP affects the trigeminal system, which is implicated in headache disorders. Clinical studies have demonstrated the significance of PACAP in migraine pathophysiology; however, a few clinical trials remain inconclusive: the pituitary adenylate cyclase-activating peptide 1 receptor mAb, AMG 301 showed no benefit for migraine prevention, while the PACAP ligand mAb, Lu AG09222 significantly reduced the number of monthly migraine days over placebo in a phase 2 clinical trial. Meanwhile, another secretin family peptide vasoactive intestinal peptide (VIP) is gaining interest as a potential new target.
  • 330
  • 21 Nov 2023
Topic Review
Multiparametric Magnetic Resonance Imaging of Penile Cancer
Primary penile cancer is an uncommon malignancy with an incidence ranging from up to 6.8 per 100,000 in Africa, Asia, and South America to less than 1 per 100,000 in North America and Europe. Accurate preoperative staging and precise outlining of a tumor’s extent are crucial for selecting the most suitable treatment approach and improving outcomes. The current clinical staging of penile cancer is still largely based on physical examination. Multiparametric magnetic resonance imaging (mpMRI) is an important imaging modality that complements physical examination and reduces uncertainties that can easily arise during this examination.
  • 414
  • 21 Nov 2023
Topic Review
Janus-Faced Role of Autophagy in Hepatocellular Carcinoma
Autophagy is a multi-step catabolic process that occurs in cells at a basal level and is triggered by various stressors that disrupt cellular homeostasis. These stressors can include low levels of cellular ATP, nutrient and growth factor deficiencies, hypoxia, endoplasmic reticulum (ER) stress, pathogen entry, or exposure to anticancer drugs. 
  • 353
  • 21 Nov 2023
Topic Review
New-Onset Atrial Fibrillation in Severe COVID-19 Patients
New-onset atrial fibrillation (NOAF) is the most frequently encountered cardiac arrhythmia observed in patients with COVID-19 infection, particularly in Intensive Care Unit (ICU) patients. The proposed mechanisms that could contribute to the development of Atrial fibrillation (AF) in these patients include myocardial damage resulting from direct virus-induced cardiac injury, potentially leading to perimyocarditis; a cytokine crisis and heightened inflammatory response; hypoxemia due to acute respiratory distress; disturbances in acid-base and electrolyte levels; as well as the frequent use of adrenergic drugs in critically ill patients.
  • 118
  • 21 Nov 2023
Topic Review
Soluble ST2 Biology
ST2 is a member of the interleukin (IL)-1 receptor family, whose gene is located on human chromosome 2q12. Alternative promoter splicing and 3′ processing of the mRNA are responsible for the production of two different forms: a soluble receptor, named sST2; or a transmembrane receptor, named ST2L. ST2 was first described in 1989.
  • 283
  • 21 Nov 2023
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