830 results match your criteria: "Digestive Diseases Research Center[Affiliation]"

Caffeine supplement, inflammation, and hepatic function in cirrhotic patients: A randomized, placebo- controlled, clinical trial.

Heliyon

January 2025

Department of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Science, Tehran, Iran.

Aim: We investigated the possibility of caffeine supplementation for managing the inflammation, and hepatic function in cirrhotic patients.

Methods: In this randomized, double-blind, placebo-controlled trial, fifty patients with cirrhosis were randomly assigned to receive either caffeine supplement (400 mg), or placebo for eight weeks.

Results: The results indicated a significant decrease in AST, platelets (P = 0.

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Background: Lithium (Li) is widely used in the treatment of bipolar disorder, but it may lead to toxicity in the reproductive system. Considering the harmful effect of Li consumption on fertility and the positive effect of magnesium sulfate (MgSo) and moderate-intensity training (MIT) on improving the quality of men's sperm, the current research was conducted to determine the impact of MIT and MgSo on infertility caused by Li.

Materials And Methods: Seventy-two male rats were divided into 12 groups, control, Li10 mg/kg/day/ip, MgSo 80 mg/kg/day/ip; MIT; Li40 mg/kg/day/ip; Li10+MgSo; Li10+MIT; Li10+MgSo+MIT; Li40+MgSo; Li40+MIT; Li40+MgSo+MIT.

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Background: Triple-negative breast cancer (TNBC) is a leading cause of cancer-related mortality among women, with a poor prognosis. The programmed cell death 1 (PD-1) pathway has emerged as a potential immunotherapy target. This study aimed to assess PD-L1 expression in TNBC patients and its relationship with prognostic variables.

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Fluorescence-guided surgery has emerged as an innovative technique with promising applications in the treatment of various tumors, including colon cancer. Tumor-initiating probe yellow (TiY) has been discovered for identifying tumorigenic cells by unbiased phenotypic screening with thousands of diversity-oriented fluorescence library (DOFL) compounds in a patient-derived lung cancer cell model. This study demonstrated the clinical feasibility of TiY for tumor-specific fluorescence imaging in the tissues of patients with colorectal cancer (CRC).

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Environmental factors and the incidence of pediatric epistaxis: A systematic review with meta-analysis.

Int J Pediatr Otorhinolaryngol

November 2024

Department of Otolaryngology-Head & Neck Surgery, Rady Children's Hospital, UC San Diego School of Medicine, San Diego, CA, USA. Electronic address:

Background: A growing body of literature explores environmental risk factors for pediatric epistaxis, yielding variable results. We aim to clarify these associations through a systematic review and meta-analysis.

Methods: PubMed, Scopus, Cochrane Central Register of Control Trials, Web of Science, Medline, Google Scholars, and Embase were systematically searched up to April 2024.

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Global Research Trends on Colorectal Cancer (2014-2023): A Scientometric and Visualized Study.

Arch Iran Med

October 2024

Liver and Pancreaticobiliary Research Center, Digestive Diseases Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.

Background: Colorectal cancer (CRC) ranks as the third most common cancer worldwide, significantly contributing to cancer-related deaths and increasingly affecting younger populations. Although its impact on patients' quality of life is profound, scientometric studies on CRC remain underexplored. The objective of this study was to evaluate the scientific literature on CRC from 2014 to 2023, employing a range of scientometric and statistical approaches.

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Stress refers to an organism's response to environmental threats in normal condition to maintain homeostasis in the body. In addition, strong inflammatory reactions induced by the hypothalamic-pituitary-adrenal (HPA) axis under stress condition during a long time. Reciprocally, chronic stress can induce the irritable bowel syndrome (IBS) which is a well-known gut disorder thereby play an important role in the promotion and pathophysiology of neuropsychiatric diseases.

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Sensory neurons sense pathogenic infiltration to drive innate immune responses, but their role in humoral immunity is unclear. Here, using mouse models of Streptococcus pneumoniae infection and Alternaria alternata asthma, we show that sensory neurons are required for B cell recruitment and antibody production. In response to S.

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Role of Early Postoperative Measurement of Copeptin in Prediction of Diabetes Insipidus Following Pituitary Surgery in Adults: A Systematic Review Plus Meta-analysis.

World Neurosurg

October 2024

Department of Otolaryngology Head and Neck Surgery, Amir A'lam Hospital, Tehran University of Medical Sciences, Tehran, Iran; School of Dentistry, Shahid Beheshti University, Tehran, Iran. Electronic address:

Article Synopsis
  • Early diagnosis of Diabetes insipidus (DI) after pituitary surgery is crucial to prevent severe complications, and measuring copeptin may provide a reliable prediction method.
  • A systematic review and meta-analysis was performed, assessing studies that measured copeptin levels in DI patients compared to non-DI patients, with a total of 1255 participants.
  • Results indicated that copeptin levels were significantly lower in DI patients and its early measurement showed moderate accuracy (0.791) in detecting post-op DI, highlighting its potential utility in clinical practice.
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Background And Objective: Two decades ago, an international initiative (GEMINI) was launched in a high-risk, low-resource region in Northeast Iran, aiming to investigate incidence, etiology, early detection, and treatment of esophageal squamous cell carcinoma (ESCC). An earlier report from this area, highlighted poor ESCC survival rates, with a 5-year survival probability of 3.3% and the median survival time of 7 months.

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Background: There are inconsistencies in the results of the studies investigating the association between inflammatory bowel disease (IBD) and lymphoma.

Aims: The aim of this study is to systematically appraise the risk of lymphoma development in patients with IBD.

Methods: We searched Embase, PubMed and Scopus from inception to 30 April 2024 to identify population-based cohort studies that evaluated the risk of lymphoma in patients with IBD in comparison with those without IBD.

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Exploring the Association of Serum Uric Acid Levels with Benign Paroxysmal Positional Vertigo: A Systematic Review and Meta-Analysis.

Ear Nose Throat J

August 2024

Otorhinolaryngology Research Center, Department of Otolaryngology Head and Neck Surgery, Tehran University of Medical Sciences, Amir A'lam Hospital, Tehran, Iran.

The role of uric acid in pathogenesis of benign paroxysmal positional vertigo (BPPV) is not fully understood. It is aimed to assess the serum uric acid levels in BPPV patients compared to healthy controls. Systematic review and meta-analysis.

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Global Prevalence of Advanced Liver Fibrosis and Cirrhosis in the General Population: A Systematic Review and Meta-analysis.

Clin Gastroenterol Hepatol

August 2024

MASLD Research Center, Division of Gastroenterology and Hepatology, Department of Medicine, University of California San Diego, La Jolla, California; Division of Gastroenterology and Hepatology, University of California San Diego, La Jolla, California. Electronic address:

Background & Aims: Limited data exist regarding the estimate of the prevalence of advanced liver fibrosis and cirrhosis in the general population. Therefore, we conducted a systematic review and meta-analysis to evaluate the global prevalence and risk factors of advanced fibrosis and cirrhosis.

Methods: We searched Embase, PubMed, Scopus, and Web of Science from inception to April 30 2024, with no language restriction.

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Polypharmacy and medication usage patterns in hypertensive patients: Findings from the Pars Cohort Study.

Res Social Adm Pharm

November 2024

MPH Department, School of Medicine, Research Center for Traditional Medicine and History of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran. Electronic address:

Polypharmacy, defined here as the concomitant use of five or more medications, is a significant health issue, particularly affecting individuals with chronic diseases like hypertension (HTN). To compare individuals with and without HTN in term of polypharmacy, and to investigate correlates of polypharmacy and medication use patterns in individuals with HTN in southwest Iran. This cross-sectional study used the baseline data of 9270 participants of the Pars Cohort Study (PCS) with a mean age of 52.

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Article Synopsis
  • The study assessed the safety and effectiveness of ustekinumab (UST) in treating Korean patients with Crohn's disease over a four-year period, gathering data from 464 patients across 44 hospitals.
  • Results showed that clinical response rates were high at first (75% by week 20) but decreased by week 66 (62.4%), with higher success rates in patients who had not previously used biologics.
  • Adverse events occurred in 28.2% of patients, but no new safety concerns were identified, suggesting UST is generally safe and beneficial for this demographic.
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Background: Drug data has been used to estimate the prevalence of chronic diseases. Disease registries and annual surveys are lacking, especially in less-developed regions. At the same time, insurance drug data and self-reports of medications are easily accessible and inexpensive.

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Article Synopsis
  • Ulcerative colitis (UC) is an inflammatory bowel disease that causes inflammation in the rectum and colon, with a rising prevalence especially in developed countries and a potential link to colorectal cancer (CRC).
  • The study analyzed data from 91 UC patients who underwent colectomy to identify risk factors for dysplasia, noting that older age was a significant risk factor but found no other strong associations.
  • The findings highlight the importance of age in assessing dysplasia risk for UC patients, suggesting that older patients may need more careful management and screening for CRC; more research is needed to confirm these results.
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Background: Gluten sensitivity (GS) is one of the gluten-related disorders (GRDs). Patients with GS may have serum antibodies against tissue transglutaminase (tTG) (IgA and IgG) without any evidence of enteropathy. We aimed to evaluate both tTG-6 and tTG-2 antibodies to determine the prevalence of seropositive tTG-2 and tTG-6 antibodies in patients with multiple sclerosis (MS).

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The parasympathetic and sensory innervation of the proximal and distal colon in male mice.

Front Neuroanat

July 2024

CURE/Digestive Diseases Research Center, Department of Medicine, Vatche and Tamar Manoukian Division of Digestive Diseases, David Geffen School of Medicine, UCLA, Los Angeles, CA, United States.

Introduction: The distributions of extrinsic neurons innervating the colon show differences in experimental animals from humans, including the vagal and spinal parasympathetic innervation to the distal colon. The neuroanatomical tracing to the mouse proximal colon has not been studied in details. This study aimed to trace the locations of extrinsic neurons projecting to the mouse proximal colon compared to the distal colon using dual retrograde tracing.

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Background: This study assessed the prevalence of gastroesophageal reflux disease (GERD) in a general adult population in Iran. The association between GERD and various factors was also evaluated.

Methods: We performed a cross-sectional study on 163,018 individuals aged over 35 who were enrolled in the PERSIAN cohort.

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Article Synopsis
  • A nationwide study in Iran investigated age and sex differences in outcomes among patients with Inflammatory Bowel Disease (IBD), utilizing data from the Iranian Registry of Crohn's and Colitis (IRCC).
  • The analysis covered 9,392 adult IBD patients and revealed that male Crohn's disease (CD) patients had higher odds of active disease compared to females, while the opposite was true for ulcerative colitis (UC) patients.
  • The study highlights the significance of incorporating age and sex differences into IBD understanding, which may help improve management strategies and promote personalized care for affected individuals.
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Gut microbiota-derived metabolites tune host homeostasis fate.

Semin Immunopathol

July 2024

Mucosal Immunology Laboratory, Department of Convergence Medicine, University of Ulsan College of Medicine / Asan Medical Center, Seoul, Republic of Korea.

The gut microbiota, housing trillions of microorganisms within the gastrointestinal tract, has emerged as a critical regulator of host health and homeostasis. Through complex metabolic interactions, these microorganisms produce a diverse range of metabolites that substantially impact various physiological processes within the host. This review aims to delve into the intricate relationships of gut microbiota-derived metabolites and their influence on the host homeostasis.

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DNA methylation is an important molecular modification that plays a key role in the expression of cancer genes. Evaluation of epigenetic changes, hypomethylation and hypermethylation, in specific genes are applied for cancer diagnosis. Numerous studies have concentrated on describing DNA methylation patterns as biomarkers for cancer diagnosis monitoring and predicting response to cancer therapy.

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