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Topic Review
Anti-Islet Autoantibodies in Type 1 Diabetes
Anti-islet autoantibodies serve as key markers in immune-mediated type 1 diabetes (T1D) and slowly progressive T1D (SPIDDM), also known as latent autoimmune diabetes in adults (LADA). Autoantibodies to insulin (IAA), glutamic acid decarboxylase (GADA), tyrosine phosphatase-like protein IA-2 (IA-2A), and zinc transporter 8 (ZnT8A) are currently employed in the diagnosis, pathological analysis, and prediction of T1D. GADA can also be detected in non-diabetic patients with autoimmune diseases other than T1D and may not necessarily reflect insulitis. Conversely, IA-2A and ZnT8A serve as surrogate markers of pancreatic β-cell destruction. A combinatorial analysis of these four anti-islet autoantibodies demonstrated that 93–96% of acute-onset T1D and SPIDDM cases were diagnosed as immune-mediated T1D, while the majority of fulminant T1D cases were autoantibody-negative. 
  • 293
  • 31 Jul 2023
Topic Review
Photobiostimulation in Neurodegenerative Diseases
Photobiomodulation (PBM), also known as Low-level Laser Therapy (LLLT), involves the use of light from a laser or light-emitting diode (LED) in the treatment of various disorders and it has recently gained increasing interest. Progressive neuronal loss with attendant consequences such as cognitive and/or motor decline characterize neurodegenerative diseases. The available therapeutic drugs have only been able to provide symptomatic relief and may also present with some side effects, thus precluding their use in treatment. There has been an exponential increase in interest and attention in the use of PBM as a therapy in various neurodegenerative diseases in animal studies. Because of the financial and social burden of neurodegenerative diseases on the sufferers and the need for the discovery of potential therapeutic inventions in their management, it is pertinent to examine the beneficial effects of PBM and the various cellular mechanisms by which it modulates neural activity.
  • 612
  • 31 Jul 2023
Topic Review
Immune Classification of Hepatocellular Carcinoma
Hepatocellular carcinoma (HCC) is a common and aggressive cancer with a high mortality rate. The incidence of HCC is increasing worldwide, and the lack of effective screening programs often results in delayed diagnosis, making it a challenging disease to manage. Immunotherapy has emerged as a promising treatment option for different kinds of cancers, with the potential to stimulate the immune system to target cancer cells. However, the current immunotherapeutic approaches for HCC have shown limited efficacy. Since HCC arises within a complex tumour microenvironment (TME) characterized by the presence of various immune and stromal cell types, the understanding of this interaction is crucial for the identification of effective therapy.
  • 262
  • 31 Jul 2023
Topic Review
Liver Transplantation for Hepatocellular Carcinoma
Hepatocellular carcinoma (HCC) is the most common primary liver cancer and a leading cause of cancer-related death worldwide.
  • 316
  • 31 Jul 2023
Topic Review
Sestrin2 as a Potential Target in Hypertension
Hypertension is a highly complex, intricate condition affecting millions of individuals across the globe. Nearly half of adults in the United States are diagnosed with hypertension, with incident rates projected to rise over the next decade. Hypertension is a precursor to many cardiovascular diseases including atherosclerosis, stroke, myocardial infarction, heart failure, and peripheral artery disease. The Sestrin (SESN) family of proteins is comprised of three members Sesn1, Sens2, and Sesn3, and is expressed by three coding genes: SESN1, SESN2, and SESN3
  • 370
  • 31 Jul 2023
Topic Review
Microenvironmental and histological changes in Recurrent Laryngeal Carcinoma
Laryngeal cancer is a relatively common neoplasm of head and neck, whose management hinges on a combination of treatments such as surgery, radiotherapy and chemotherapy. Tumor recurrences may present important differences from the primary tumor that largely depend on previous treatments. The immune system plays a crucial role in the natural course of the disease, owing the capability to influence its behavior through a complex interaction of mechanisms. For this reason, the use of immunotherapy in addition to standard therapies is increasingly gaining importance nowadays and the selection of patients who can benefit the most from this treatment can help optimizing its success. However, conventional treatments can induce relevant changes in the host immune response, thus affecting tumor progression and patient outcome. This fact should be taken into account when planning immune-based treatments like immune checkpoint inhibitors.
  • 326
  • 31 Jul 2023
Topic Review
Gut Microbiota and Neuroinflammation in Liver Disease
Liver disease are associated with a wide spectrum of neurological changes, of which the best known is hepatic encephalopathy (HE). Historically, hyperammonemia, was considered the main etiological factor; however, studies demonstrated a key role of neuroinflammation in the development of neurological complications in this setting. Neuroinflammation is characterized by activation of microglial cells and brain secretion of pro-inflammatory cytokines, such as tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and IL-6, which alter neurotransmission, leading to cognitive and motor dysfunction. Changes in the gut microbiota resulting from liver disease play a crucial role in the pathogenesis of neuroinflammation. Dysbiosis and altered intestinal permeability, resulting in bacterial translocation and endotoxemia, are responsible for systemic inflammation, which can spread to brain tissue and trigger neuroinflammation. In addition, metabolites derived from the gut microbiota can act on the central nervous system and facilitate the development of neurological complications, exacerbating clinical manifestations. 
  • 538
  • 31 Jul 2023
Topic Review
Mucosal Etiologies of Renal Injuries Caused by PM
Particulate matter (PM) is a microscopic aerosol mixture of solid particles and liquid droplets found in the air, derived from natural or anthropogenic origins, including the combustion of fossil fuels and industrial effluents. Among the early responsive tissues to PM exposure, the mucosal barrier of the airway and alimentary tract may be a crucial source of pathologic mediators leading to inflammatory renal diseases, including chronic kidney disease (CKD). 
  • 204
  • 31 Jul 2023
Topic Review
Conceptual Approaches to Protective Lung Ventilation
Acute respiratory distress syndrome (ARDS) is associated with a heterogeneous pattern of injury throughout the lung parenchyma that alters regional alveolar opening and collapse time constants. Such heterogeneity leads to atelectasis and repetitive alveolar collapse and expansion (RACE). The net effect is a progressive loss of lung volume with secondary ventilator-induced lung injury (VILI). Previous concepts of ARDS pathophysiology envisioned a two-compartment system: a small amount of normally aerated lung tissue in the non-dependent regions (termed “baby lung”); and a collapsed and edematous tissue in dependent regions. Based on such compartmentalization, two protective ventilation strategies have been developed: (1) a “protective lung approach” (PLA), designed to reduce overdistension in the remaining aerated compartment using a low tidal volume; and (2) an “open lung approach” (OLA), which first attempts to open the collapsed lung tissue over a short time frame (seconds or minutes) with an initial recruitment maneuver, and then stabilize newly recruited tissue using titrated positive end-expiratory pressure (PEEP).
  • 473
  • 31 Jul 2023
Topic Review
Differential Diagnosis of Sensory and Cognitive Malingering
Malingering relates to intentionally pretending or exaggerating physical or psychologic symptoms to gain an external incentive, such as avoiding work, law prosecution or military service, or seeking financial compensation from insurance companies. Accordingly, various techniques have been developed in recent years by the scientific community to address this challenge.
  • 418
  • 31 Jul 2023
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