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Topic Review
Inflammation-Driven Colorectal Cancer Associated with Colitis
Patients with inflammatory bowel disease (IBD) are at an increased risk of developing colorectal cancer (CRC), mainly because of chronic intestinal inflammation. Some unique molecular differences occur in colitis-associated CRC, resulting in a different sequence of events, primarily of inflammation–dysplasia–carcinoma, compared to sporadic cases.
  • 514
  • 10 May 2023
Topic Review
Management of Fibro-Stenosing Crohn’s Disease
Fibro-stenosing Crohn’s disease (CD) is a common disease presentation that leads to impaired quality of life and often requires endoscopic treatments or surgery. Managing the treatment of individuals with fibro-stenosing CD is challenging and requires a multidisciplinary team comprising a gastroenterologist, a colorectal surgeon, and a radiologist to evaluate the appropriate strategy. The optimal therapeutic approach changes according to the features of the stenosis (i.e., location, length, angulation), the presence of any associated complications (i.e., fistula, abscess, dysplasia), and the patient’s preference.
  • 325
  • 10 May 2023
Topic Review
Artificial Intelligence in Digestive Healthcare
With modern society well entrenched in the digital area, the use of Artificial Intelligence (AI) to extract useful information from big data has become more commonplace in our daily lives than we perhaps realize. A number of medical specialties such as Gastroenterology rely heavily on medical images to establish disease diagnosis and patient prognosis, as well as to monitor disease progression. Moreover, some such imaging techniques have been adapted so that they can potentially deliver therapeutic interventions. The digitalization of medical imaging has paved the way for important advances in this field, including the design of AI solutions to aid image acquisition and analysis.
  • 516
  • 08 May 2023
Topic Review
Pathogenesis of Hepatocellular Carcinoma
Hepatocellular carcinoma (HCC) is a very complex world health problem. Approximately 905,677 new cases and 830,180 HCC-related deaths were reported in 2020. The estimation of more than 1 million deaths caused by HCC by 2030 has been predicted. The pathogenesis of hepatocellular carcinoma (HCC) is a multifactorial process that has not yet been fully investigated.
  • 400
  • 08 May 2023
Topic Review
Nutrients in NAFLD in People with HIV
HIV infection and nonalcoholic fatty liver disease (NAFLD) are two major epidemics affecting millions of people worldwide. As people with HIV (PWH) age, there is an increased prevalence of metabolic comorbidities, along with unique HIV factors, such as HIV chronic inflammation and life-long exposure to antiretroviral therapy, which leads to a high prevalence of NAFLD. Among people with HIV, nutrition has a key impact in both NAFLD onset and regression.
  • 413
  • 08 May 2023
Topic Review
Epigenetic Mechanisms in the Regulating of PPARγ Function
Contrary to genetic changes in heritability, epigenetics is the study of heritable modifications in gene activity that do not involve direct alteration of the underlying DNA sequences. Epigenetics determines the architecture of chromatin in cell nucleus, and therefore affects specific genomic sequences accessible to cellular regulatory machineries. The epigenome is susceptible to dysregulation throughout life but is highly vulnerable to environmental factors during fetal life since this is a period of rapid DNA synthesis. 
  • 379
  • 06 May 2023
Topic Review
TGF-β, Activin and Follistatin in Inflammatory Bowel Disease
Inflammatory bowel disease (IBD) is an immune-mediated inflammatory condition predominantly affecting the gastrointestinal (GI) tract. An increasing prevalence of IBD has been observed globally. The pathogenesis of IBD includes a complex interplay between the intestinal microbiome, diet, genetic factors and immune responses. The consequent imbalance of inflammatory mediators ultimately leads to intestinal mucosal damage and defective repair. Growth factors, given their specific roles in maintaining the homeostasis and integrity of the intestinal epithelium, are of particular interest in the setting of IBD. Furthermore, direct targeting of growth factor signalling pathways involved in the regeneration of the damaged epithelium and the regulation of inflammation could be considered as therapeutic options for individuals with IBD. Several members of the transforming growth factor (TGF)-β superfamily, particularly TGF-β, activin and follistatin, are key candidates as they exhibit various roles in inflammatory processes and contribute to maintenance and homeostasis in the GI tract. 
  • 288
  • 05 May 2023
Topic Review
The Role of EPH/Ephrin System in the Pancreas
Pancreatic ductal adenocarcinoma (PDAC) is a major concern for health care systems worldwide, since its mortality remains unaltered despite the surge in cutting-edge science. The EPH/ephrin signaling system was first investigated in the 1980s. EPH/ephrins have been shown to exert bidirectional signaling and cell-to-cell communication, influencing cellular morphology, adhesion, migration and invasion. 
  • 462
  • 04 May 2023
Topic Review
Hirschsprung-Associated Enterocolitis
Despite the significant progress that has been made in terms of understanding the pathophysiology and risk factors of Hirschsprung-associated enterocolitis (HAEC), the morbidity rate has remained unsatisfactorily stable, and clinical management of the condition continues to be challenging.
  • 368
  • 04 May 2023
Topic Review
Microbial Translocation Disorders
Gut microbes are immunologically tolerated in the gastrointestinal tract but trigger aggressive immune responses upon translocation across the gut barrier. Although oral tolerance, a physiological process that dampens immune responses to food proteins and commensal microbiota, remains poorly defined, significant progress was made during and after the Human Immunodeficiency Virus epidemic in the 1980s and the discovery of regulatory T cells in 1995. Additional insight was gained after the discoveries of innate lymphoid cells in 2008 and the functional elucidation of mucosal mast cells.
  • 422
  • 28 Apr 2023
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