Archives of Gastroenterology Research

Helicobacter pylori is a gram-negative, spiral-shaped bacterium that inhabits the gastric environment of 60.3% of the global population. Though most individuals infected with the bacterium remain asymptomatic, it is known that this infection plays a pivotal role in the development of diseases such as chronic gastritis, peptic ulcer, gastric cancer and gastric MALT lymphoma. Hence, eradication of H. pylori is associated with the potential prevention of many gastric and extra gastric diseases, such as gastric cancer.

Until the early sixties, the concept prevailed that alcoholic liver disease (ALD), also termed alcohol-related liver disease (ARLD), results from malnutrition commonly observed among individuals consuming chronically high amounts of alcohol rather than being causally related to the use of alcoholic beverages. However, the malnutrition concept became a matter of debate because of the clinical observation that humans, even on a normal diet and without signs of underweight or malnutrition

Multidisciplinary treatment is widely applied for hepatocellular carcinoma (HCC) using liver resection/ transplantation, local ablation therapy, transarterial chemoembolization (TACE), and systemic therapy. Systemic therapy is recommended and can provide a modest prognosis for HCC in Barcelona Clinic Liver Cancer (BCLC) staging C.

Since the discovery of the hepatitis B virus (HBV) by Blumberg et al., great progress has been made in understanding the pathogenesis of the virus and its role in hepatocellular carcinoma (HCC). It is estimated that hepatitis B is responsible for about 50% of the HCC cases worldwide. Because of geographic variations in HBV incidence, the burden of HBV-related HCC (HBV-HCC) is highest in endemic areas such as Asian-Pacific and sub- Saharan Africa and lowest in the United States and the West. The hepatitis B vaccines, developed in the 1980s, transformed the evolution of hepatitis B in the modern era. This was followed by high effective anti-viral that reduced HBV infections and HBV-HCC.

Hepatitis B virus (HBV) chronically infects more than 250 million individuals worldwide and is responsible for more than 800,000 deaths per year by promoting end-stage liver diseases, among which decompensated cirrhosis and hepatocellular carcinoma (HCC) (WHO, July 2020) are prominent. Studies performed in chimpanzees or in animalversion of HBV (woodchuck HBV: WHBV) highlighted the lack of immune responses against the virus upon primary infection. Thus, HBV has been described as a “stealth” virus (i.e. a virus that does not modify/induce immune response in the cell). However, a growing number of studies describe that HBV is able to rapidly and efficiently counteract the innate immune response in a large variety of cells (hepatocytes, macrophages, Natural Killer cell…). Hereby, we focus on the role of macrophages (Mφ) during HBV infection.

Gastric cancer (GC), also known as stomach cancer, is a worldwide health problem. Anatomically, it can occur from the gastroesophageal junction to distal portions of the stomach. Considering both sexes, worldwide, it is the 5th most common neoplasm (5.7%) and the 3rd cause of mortality among malignancies, leading to approximately 782,000 deaths in 2018. The incidence varies geographically but 50% of new cases are diagnosed in developed countries. High incidence is observed in Asia, Latin America, and in the central and eastern parts of Europe. There are several ways to classify GC, but the most used is Lauren’s Classification, which proposes two main histological groups: intestinal and diffuse. This classification is important because there are marked etiological, pathological, and epidemiological differences between the subgroups, guiding the clinical approach for each patient.

Liver fibrosis resulting from chronic liver injury can progress to cirrhosis and liver failure. Current treatments are limited, creating an urgent need for novel antifibrotic therapies. Multiple emerging approaches have shown preclinical promise in inhibiting liver fibrogenesis or stimulating regeneration, including artificial liver support, stem cell therapy, cell/gene therapy, nanomedicines, immunotherapy, and herbal medicines.

Although the prevalence of gastric cancer is decreasing in many developed nations, it is the fourth most prevalent cancer and the second leading cause of cancer-related deaths globally. Around 8 percent of recently diagnosed malignant tumors are stomach cancer, more than 7,00,000 individuals die from gastric cancer yearly. Despite extensive research into new diagnostic and therapeutic methods, the prognosis for individuals with advanced stomach cancer remains dismal, and survival rates have hardly improved. In recent years, many latest innovations have improved our understanding of the molecular mechanisms and modifications that contribute to gastric cancer’s beginning and progression, including several genetic and molecular modifications and mutations.

The intestinal microbiota creates a bodily barrier for invading pathogen by using aggressive exclusion. Pathogens and immune cells can interact directly and dynamically with symbiotic bacteria, determining the pathophysiology and outcome of an infection. They can defend the host through a variety of processes, including attachment site occupancy, nutrition intake, metabolite competition, and the synthesis of antimicrobial compounds including bacteriocins that influence pathogen survival (a process referred to as colonization resistance).

Hepatitis B virus (HBV) infection is a public health problem, accounting for more than 257 million cases of chronic infection and a major cause of hepatocellular carcinoma (HCC) worldwide. With the vaccination and the advent of nucleos(t)ide analogues (NAs) as antiviral therapy, chronic HBV infection currently accounts for approximately 50% of HCC cases worldwide, a significant decrease from >80% in the 1980’s. The reduced incidence of HBV-related HCC (HBV-HCC) with NAs with lamivudine, entecavir, and tenofovir disoproxil fumarate is well documented.

Biopolymers have earmarked their importance in the biomedical and pharmaceutical applications. Researchers are still working for the facilitation of better therapeutic effects and medical benefits. In this context, several strategies are on a play like functionalization of biopolymers with physicochemical modification, functionalization of lipids with biopolymers, development of composites or hybrid systems for bringing together the benefits of individual moieties/systems

Until the early sixties, the concept prevailed that alcoholic liver disease (ALD), also termed alcohol-related liver disease (ARLD), results from malnutrition commonly observed among individuals consuming chronically high amounts of alcohol rather than being causally related to the use of alcoholic beverages. However, the malnutrition concept became a matter of debate because of the clinical observation that humans, even on a normal diet and without signs of underweight or malnutrition

Since 1989, PPIs have become among the top-selling drug classes in the country. It is estimated that in the United States alone, about a quarter of the country suffers from acid related conditions. Their versatility and popularity have prompted the World Health Organization to add PPIs to their list of essential medications. The low cost of PPIs and over the counter (OTC) availability of these medications have made their use ubiquitous in outpatient care.

Gastric cancer is one of the neoplasms with the highest degree of mortality worldwide, responsible for more than 780,000 deaths in 2018 and whose incidence has been increasing over the last few years, mainly in Asian and Latin American countries. The technological imaging advances in digestive endoscopy such as virtual chromoendoscopy and magnification associated with a systematic and comprehensive endoscopic examination of the entire gastric mucosa by a trained operator have optimized the early detection of pre-malignant and malignant lesions, which have favoured the high rate of curability through the use of endoscopic resection techniques such as endoscopic submucosal dissection (ESD).

Until the early sixties, the concept prevailed that alcoholic liver disease (ALD), also termed alcohol-related liver disease (ARLD), results from malnutrition commonly observed among individuals consuming chronically high amounts of alcohol rather than being causally related to the use of alcoholic beverages. However, the malnutrition concept became a matter of debate because of the clinical observation that humans, even on a normal diet and without signs of underweight or malnutrition

Since the discovery of the hepatitis B virus (HBV) by Blumberg et al., great progress has been made in understanding the pathogenesis of the virus and its role in hepatocellular carcinoma (HCC). It is estimated that hepatitis B is responsible for about 50% of the HCC cases worldwide. Because of geographic variations in HBV incidence, the burden of HBV-related HCC (HBV-HCC) is highest in endemic areas such as Asian-Pacific and sub- Saharan Africa and lowest in the United States and the West. The hepatitis B vaccines, developed in the 1980s, transformed the evolution of hepatitis B in the modern era. This was followed by high effective anti-viral that reduced HBV infections and HBV-HCC.

Hepatitis B virus (HBV) chronically infects more than 250 million individuals worldwide and is responsible for more than 800,000 deaths per year by promoting end-stage liver diseases, among which decompensated cirrhosis and hepatocellular carcinoma (HCC) (WHO, July 2020) are prominent. Studies performed in chimpanzees or in animalversion of HBV (woodchuck HBV: WHBV) highlighted the lack of immune responses against the virus upon primary infection. Thus, HBV has been described as a “stealth” virus (i.e. a virus that does not modify/induce immune response in the cell). However, a growing number of studies describe that HBV is able to rapidly and efficiently counteract the innate immune response in a large variety of cells (hepatocytes, macrophages, Natural Killer cell…). Hereby, we focus on the role of macrophages (Mφ) during HBV infection.

Artificial Intelligence (AI) techniques represent a fascinating, provocative, and challenging discipline, are pervasive and of global importance. The European Commission summarized the current state in a White Paper on AI issues released on 19 February 2020, discussing various AI concepts that revolutionized many complex processes