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Topic Review
Synbiotics in Inflammatory Bowel Diseases
Inflammatory bowel disease (IBD) is a group of chronic relapsing gastrointestinal disorders that are characterized by inflammation of the gastrointestinal tract. The involvement of three distinct recurrent inflammatory features that sustains the chronic inflammation in IBD have been clearly identified that includes, disturbances in the gut microbiota, dysregulated immune response and altered colonic epithelial integrity. Dietary components such as prebiotic dietary fibres (DF) and probiotics due to their potential in modulating immune functions and influencing microbiota are promising strategies in the context of IBD. In this entry, we review the recent evidence from in-vivo studies to support the application of synergistic synbiotic carrying whole-plant complex prebiotic fibre and probiotic in resolving in the inflammatory cycle in IBD.
  • 511
  • 16 Apr 2021
Topic Review
Treatments for Acute Intermittent Porphyria
Rare diseases, especially monogenic diseases, which usually affect a single target protein, have attracted growing interest in drug research by encouraging pharmaceutical companies to design and develop therapeutic products to be tested in the clinical arena. Acute intermittent porphyria (AIP) is one of these rare diseases. AIP is characterized by haploinsufficiency in the third enzyme of the heme biosynthesis pathway. Identification of the liver as the target organ and a detailed molecular characterization have enabled the development and approval of several therapies to manage this disease.
  • 507
  • 22 Dec 2022
Topic Review
Occult Infection with Hepatitis C Virus
Occult infection with hepatitis C virus (OCI) is defined as the presence of HCV-RNA in hepatocytes, and/or PBMCs in individuals, who are HCV-RNA negative in serum by conventional diagnostic tests (with LoD 15 IU/mL). Depending on the presence or absence of anti-HCV in serum, two types of OCI are distinguished—seronegative and seropositive. Occult viral persistence by definition escapes clinical diagnostic schemes and can last for many years after spontaneous or treatment-induced sustained virological response (SVR).
  • 507
  • 29 Dec 2021
Topic Review
Epidemiology of Colorectal Cancer in Inflammatory Bowel Diseases
Colorectal cancer (CRC) is currently the third most frequent form of malignancy and the second in terms of mortality. Inflammatory bowel diseases (IBDs) are recognized risk factors for this type of cancer. Despite a worldwide increase in the incidence of CRC, the risk of CRC-related death in IBD patients has declined over time, probably because of successful surveillance strategies, the use of more effective drugs in the management of remission and improved indications to colectomy. 
  • 506
  • 21 Sep 2022
Topic Review
Gut Microbial Modulation
Gut microbial composition codevelops with the host from birth and is influenced by several factors, including drug use, radiation, psychological stress, dietary changes and physical stress. Importantly, gut microbial dysbiosis has been clearly associated with several diseases, including cancer, rheumatoid arthritis and Clostridium difficile-associated diarrhoea, and is known to affect human health and performance.
  • 504
  • 12 Oct 2022
Topic Review
Diagnosis of Early Gastrointestinal Neoplasia
Meticulous endoscopic characterization of gastrointestinal neoplasias (GN) is crucial to the clinical outcome. Hereby the indication and type of resection (endoscopically, en-bloc or piece-meal, or surgical resection) are determined. By means of established image-enhanced (IEE) and magnification endoscopy (ME) GN can be characterized in terms of malignancy and invasion depth. In this context, the statistical evidence and accuracy of these diagnostic procedures should be elucidated. Here, we present a systematic review of the literature. Results: 21 Studies could be found which met the inclusion criteria. In clinical prospective trials and meta-analyses, the diagnostic accuracy of >90% for characterization of malignant neoplasms could be documented, if ME with IEE was used in squamous cell esophageal cancer, stomach, or colonic GN. Conclusions: Currently, by means of optical diagnosis, today’s gastrointestinal endoscopy is capable of determining the histological subtype, exact lateral spread, and depth of invasion of a lesion. The prerequisites for this are an exact knowledge of the anatomical structures, the endoscopic classifications based on them, and a systematic learning process, which can be supported by training courses. More prospective clinical studies are required, especially in the field of Barrett’s esophagus and duodenal neoplasia.
  • 504
  • 13 Jul 2021
Topic Review
Extra-Intestinal Manifestations of Celiac Disease
Celiac disease (CD) is a chronic, small-intestinal, immune-mediated enteropathy due to gluten exposition in genetically predisposed individuals. It occurs in about 1% of the population and often remains an underdiagnosed condition. This could be due to the fact that the adult population often lacks the classical signs and symptoms of CD, manifesting only atypical symptoms.
  • 504
  • 26 Jan 2022
Topic Review
Insulin Resistance and NAFLD development
Insulin resistance (IR) is a condition in which insulin action is altered. In metabolic terms, IR represents the inability of a fixed amount of insulin to metabolize a known amount of glucose in an individual as compared to the general population. 
  • 503
  • 12 Oct 2021
Topic Review
Nonalcoholic Fatty Liver Disease and Peripheral Diabetic Polyneuropathy
Peripheral diabetic polyneuropathy (DPN) is a microvascular complication of diabetes mellitus (DM), representing the most clinically relevant manifestation of typical forms of diabetic neuropathy (DN). DPN has been associated with another pathological condition linked to DM and obesity, the nonalcoholic fatty liver disease (NAFLD). NAFLD is a metabolically derangement-based liver disease, defined by the presence of steatosis in more than 5% of hepatocytes, in association with metabolic risk factors (such as obesity, diabetes, and dyslipidemia) and in the absence of excessive alcohol consumption or other chronic liver diseases.
  • 503
  • 21 Oct 2021
Topic Review
Non-Alcoholic Fatty Liver Disease and Cardiovascular Disease
Non-alcoholic fatty liver disease (NAFLD) is a metabolic liver disease, which classically includes a spectrum of progressive pathological conditions, ranging from simple steatosis to non-alcoholic steatohepatitis (NASH) with different grades of fibrosis and cirrhosis. NAFLD is also a “multisystemic” disease, NAFLD is independently associated with serious hepatic complications (e.g., hepatic decompensation, hepatocellular carcinoma [HCC]), but also with an increased risk of developing cardiovascular disease (CVD).
  • 503
  • 17 Feb 2022
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