Articles tagged with Gastroenterology
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
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Researchers have discovered a better method for treating patients with portal hypertension, combining spironolactone and propranolol. The study found that this combination reduces the risk of variceal re-bleeding and is effective in patients who have never bled or have had previous episodes.
Researchers found that serum type IV collagen is a predictive factor of esophageal varices in patients with severe alcoholic disease. The combination of abdominal ultrasound scan and type IV collagen correctly identified patients with esophageal varices at a high rate.
A unique surgical case presented a patient with heterotopic gastric tissue simulating acute appendicitis. The inflammation from the gastric tissue caused localized pain and elevated white blood cell count. Removal of the inflamed lymph node containing the gastric tissue resolved the symptoms.
A study published in the World Journal of Gastroenterology found that reloading a multiband ligator instead of using a new one can significantly reduce the cost of treating esophageal varices. The procedure, which involves reusing the same band ligator for multiple sessions, resulted in a 58% reduction in costs.
At 15 mmHg CO2 insufflation pressure, gastric cancer cells' proliferation was inhibited and apoptosis improved. The extracellular pH changed significantly with CO2 versus helium exposure, affecting tumor-cell implantation during laparoscopic surgery.
A study found that probiotics have anti-inflammatory potential in healthy adults, characterized by decreased serum CRP levels and reduced production of proinflammatory cytokines. This suggests a possible therapeutic application for probiotics in the prevention or treatment of inflammatory diseases.
A study published in World Journal of Gastroenterology found that CT scans and MRI scans are equally accurate in detecting paraaortic lymph node metastasis in patients with pancreatico-biliary carcinoma. The results support the current clinical practice of using both imaging modalities for evaluating this condition.
Researchers found that overexpressed midkine (MK) and its truncated form (tMK) significantly promote the proliferation of gastric adenocarcinoma cells and tumor growth in nude mice. This study suggests tMK as a promising therapeutic target for gastric cancer treatment.
A case report describes the diagnosis and treatment of Gardner syndrome with gastric polyposis in a 23-year-old female patient. The patient underwent restorative proctocolectomy with ileal pouch anal anastomosis, showing gradual recovery from malnutrition and anemia.
The study found that Chinese patients with reflux esophagitis had a peak age of onset between 40¨C60 years, with more male patients than female ones. The mean age of onset was lower in males than females. H pylori infection rates were significantly decreased in patients with esophagitis, but severity was not associated. Older age and h...
Researchers have confirmed that Jianpi Huoxue decoction inhibits targets in LPS-activated Kupffer cell signal pathway, reducing cytokine expression and endotoxin receptor activity. The study provides new evidence for JHD's potential therapeutic benefits for alcoholic liver injury.
A study published in World Journal of Gastroenterology found that daily alcohol intake above 20g increases the risk of liver injury, while drinking for 5 years or more also poses a significant threat. The research highlights the importance of obesity as a contributing factor to liver damage.
Researchers discovered chromosomal gains and losses associated with esophageal squamous cell carcinoma (ESCC) in a study published in the World Journal of Gastroenterology. The study identified specific genetic regions, including 6p, 20p, and 10pq, that may harbor ESCC-related oncogenes and tumor suppressor genes.
A case of primary rectal signet ring cell carcinoma with peritoneal dissemination and gastric secondaries was reported. The diagnosis relied on immunohistochemical studies using cytokeratins 7 and 20, highlighting the importance of accurate pathological techniques in identifying this rare cancer type.
Researchers discovered a correlation between syndecan-1, E-cadherin and integrins with gastric cancer prognosis. The study suggests these markers could be important indexes for predicting the outcome of gastric carcinoma patients.
The Phase 3 study evaluated two doses of GATTEX and showed that it was generally well-tolerated and effective in reducing PN requirements. Forty-six percent of low-dose patients responded and achieved a significant reduction in PN compared to placebo, with increases in trunk lean body mass and plasma citrulline also observed.
A recent survey found that nearly 40% of GERD patients on proton pump inhibitors (PPIs) experience breakthrough symptoms, requiring additional over-the-counter (OTC) treatments. More than half of these patients use OTC remedies to manage their symptoms, often using antacids as a stop-gap.
A new study has identified a potential tumor suppressor gene related to Chinese colorectal cancer patients, located on the long arm of chromosome 1 (1q31.1-32.1). The researchers found a minimal region of frequent deletion in this area, which they believe may be responsible for the development of colorectal cancer in Chinese patients.
A new case report presents an interesting diagnosis of IPN-B with histopathological findings and emphasizes the importance of cholangiography in diagnosing bile duct dilatation. The patient's liver specimens showed intraductal papillary proliferation, fibrovascular cores, and carcinoma in situ.
A primary anorectal melanoma was reported in a 41-year-old man, presenting with rectal bleeding and polypoid tumor. Histopathology revealed a melanoma, but initial dissemination studies were negative. Unfortunately, metastases developed two years later, leading to the patient's death.
Cpd 861 regulates collagen synthesis and degradation-related genes in human hepatic stellate cells, demonstrating an antifibrotic effect. The study found that Cpd 861 inhibits collagen synthesis and enhances collagen degradation, offering a new mechanism for antifibrogenic drug development.
Research identifies CKAP4-similar protein Ca-Hb3 as a tumor-associated antigen in colorectal cancer. The protein has been shown to have high homogeneity with Np63 alpha, a potential oncogene.
Researchers found that cholesterol depletion increased CEA sorting to the basolateral surface in polarized Caco-2 cells. This suggests a potential new treatment approach for inflammatory bowel disease by modifying lipid raft-dependent mechanisms.
A new gastric juice PCR test has been evaluated as a highly specific and rapid method for detecting H. pylori infection in patients taking acid-reducing drugs. The study found that the test was more accurate than other methods for diagnosing the infection, which is associated with various gastrointestinal diseases.
A recent study published in World Journal of Gastroenterology suggests that short-term lifestyle intervention is more effective than vitamin E capsule therapy in managing non-alcoholic fatty liver disease (NAFLD) in Chinese obese children. The researchers recommend lifestyle modification as the first step in treating NAFLD, citing its ...
A study published in World Journal of Gastroenterology found high circulating D-dimer levels associated with ascites presence in liver cirrhosis patients. Ascites depletion may prevent bleeding complications. High D-dimer levels also linked to hepatocellular carcinoma (HCC) in cirrhotic patients without ascites.
A study published in World Journal of Gastroenterology found that pediatric patients are affected by complicated idiopathic gallstone disease at a higher rate than previously thought. In the study, 58% of patients presented with complicated disease, with adolescent girls being particularly affected.
Research found that herbal extracts from Phyllanthus emblica and Terminalia bellerica exhibit synergistic growth inhibitory effects when combined with conventional cytotoxic agents like doxorubicin and cisplatin. This enhances therapeutic efficacy while minimizing side effects, offering a potential new approach to cancer treatment.
Researchers found a significant association between anti-HBe antibodies and increased ALT levels among HBV-infected patients. Genotype D was the only type detected in different clinical forms of acute and chronic infections, with a higher prevalence of HBeAg-negative status among chronic hepatitis patients.
A study found increased expression of FoxP3 mRNA and higher frequency of regulatory T cells in patients who responded to Adacolumn treatment with remission of symptoms. However, these changes were not observed in non-responding patients.
Research found that thalassemic patients had a higher prevalence of anti-HAV IgG antibodies than healthy controls. This is unexpected, as previous studies showed lower rates in thalassemics. The study recommends active immunization for transfused thalassemia patients to reduce liver infections.
A study found that children with fathers who were clinically obese at a young age had higher serum alanine aminotransferase (ALT) levels, indicating a potential genetic connection between early-onset paternal obesity and increased risk of liver disease. The results persisted among non-obese children, suggesting an independent association.
Studies show that introducing patient navigators in safety net health systems increases colonoscopy completion rates among urban minorities, reducing no-show rates by up to 9.8%. This individual intervention approach may be particularly effective in addressing the complex barriers to colorectal cancer screening in low-income and minori...
Research found prokineticin 2/Bv8 is downregulated in human hepatocellular carcinoma, but expressed in liver resident macrophages, suggesting a role in Kupffer cell physiology.
The use of a rigid endoscope during removal of an impacted foreign body is an effective and safe treatment alternative for esophageal perforation. Non-operative management is not recommended in the presence of neck and mediastinum abscesses, necessitating surgical suture and drainage.
Research suggests that MUC1 mucin variable number of tandem repeats polymorphism influences H pylori binding to gastric cells. Adhesion levels are higher in clones with larger VNTR regions, contributing to the understanding of H pylori infection pathogenesis.
A new method of pancreaticojejunostomy has been developed to overcome technical difficulties in performing the procedure on soft pancreas with narrow ductal size. The method uses a fast-absorbable suture material and temporary stent to secure complete external drainage of pancreatic juice.
Researchers found prolonged P wave dispersion in Wilson's disease patients, associated with atrial conductance abnormalities. Age at diagnosis and serum copper levels correlated with PWD values.
A study on Salmonella Enteritidis infection reveals its complex life cycle in the internal organs of mice, with high concentrations found in liver and spleen. The bacteria can persist for up to 12 days in the gallbladder, a previously unknown site of carriage.
Researchers found hepcidin expression positively associated with stage of colorectal disease and also expressed in a subset of colorectal cancer tissues. This suggests that cancer cells sequester iron to feed their high metabolic activity, perpetuating the cancer phenotype.
Researchers found that melatonin administration reverses marked increases in bacterial translocation in postcolitis rats due to its anti-inflammatory and anti-apoptotic effects. The study suggests a potential therapeutic role for melatonin in managing colitis.
This meta-analysis found that aprotinin decreases intraoperative blood product needs and has no significant impact on postoperative bleeding, thromboembolic events, or mortality. More research is needed to confirm these results.
A study published in the World Journal of Gastroenterology found that psychological intervention can effectively reduce post-embolization pain in patients undergoing hepatic arterial chemoembolization therapy. The research suggests that psychological intervention should be used as a complementary approach to pharmacological analgesia.
This study found that laparoscopic hepatic left lateral lobectomy combined with fiber choledochoscopic exploration of the common bile duct reduces liver function damage compared to traditional open operations. The procedure also significantly decreases post-operative pain and complications such as biliary fistula, cholangitic stenosis,...
A rare pancreatic tumor was treated with surgery and chemotherapy, resulting in long-term stability. The case report reviews the impact of aggressive surgery on prognosis.
Research using ERIC-PCR method found that aerobe and facultative aerobes, such as Escherichia coli and Salmonella, become prominent in ducklings' intestines after S. enteritidis infection. The study aims to understand the pathogenesis of S. enteritidis infection.
A study found that heavy alcohol drinking combined with specific genetic polymorphisms in cytochromes P4502E1 and aldehyde dehydrogenase-2 increases the risk of esophageal squamous cell carcinoma. Individuals with the combined ALDH2 (1/2) and CYP2E1 (c1/c1) genotype showed a dramatically increased risk of ESCC.
A case report describes a patient with colonic duplication that mimicked a pancreatic tumor, emphasizing the importance of considering intestinal duplication in abdominal mass diagnoses. Histopathological examination confirmed the diagnosis after distal pancreatectomy.
Research reveals that overexpression of Slug protein is associated with adenocarcinoma progression, potentially leading to E-cadherin silencing and loss of cell-cell adhesion. Understanding this mechanism may provide a therapeutic platform for oesophageal cancer treatment.
Researchers found that new imaging techniques like NBI and AAC improved image quality, but did not lead to better diagnosis or agreement among endoscopists. The study suggests that these techniques may offer limited clinical relevance in diagnosing esophageal abnormalities.
Researchers found that combining stenting with photodynamic therapy improved survival rates for patients with advanced liver bile duct cancer, reducing mortality by 57% compared to stenting treatment alone. The study suggests that this combined approach can help extend survival rates for these patients.
Researchers at Indiana University found that treatment with oral or swallowed/sprayed steroids results in significant patient improvement, but relapse is common if discontinued. The study suggests that long-term results are similar between groups, offering hope for effective therapy.
A study published in the World Journal of Gastroenterology found that artificial neural networks can accurately predict thyroid disease in patients with atrophic body gastritis. The analysis of 253 ABG patients revealed a high accuracy rate of 76%, correctly identifying 82% of patients with thyroid disease.
A novel hMSH2 gene mutation was found in a Chinese HNPCC kindred, associated with an increased risk of colorectal cancer in four successive generations. The mutation resulted in Asp 603 Gly of hMSH2 and was present in four out of ten family members.
Researchers have identified three new ERK pathway proteins related to CagA-induced disease, which may serve as potential cancer-associated proteins. The study used SELDI-TOF-MS technology to analyze protein expression changes in AGS cells transfected with the CagA gene.
Patients with decompensated alcoholic cirrhosis exhibit higher levels of nitric oxide (NO•) and cyclic guanosine monophosphate (cGMP), contributing to liver disease progression. Elevated oxidative stress is also linked to a positive correlation with clinical liver disease severity.
A new animal study suggests small intestinal bacteria overgrowth (SIBO) contributes to nonalcoholic fatty liver disease (NASH) pathogenesis. Treatment with cidomycin alleviates NASH severity by lowering serum ALT, AST, and TNF-α levels.
A study published in the World Journal of Gastroenterology found that patients with inflammatory bowel disease (IBD) in China often receive suboptimal care, including inadequate dosing of aminosalicylates and underuse of immunomodulatory drugs. This is partly due to limited understanding of the disease among Chinese healthcare providers.
Researchers at the University of Sydney found evidence linking kava to liver damage, revealing changes in liver tissue structure and impacting immune system function. The study's findings support earlier literature observations on kava's adverse effects on the liver, highlighting the need for further investigations.
A rare case of colon duplication was diagnosed in an adult patient with hydronephrotic atrophy of the right kidney. The mass was successfully removed during a laparotomy, revealing a continuum of the duplicated colon. This exceptional case highlights the importance of accurate pre-operative diagnosis and surgical expertise.