300,265 results match your criteria: "Iran; KTH Royal Institute of Technology[Affiliation]"

Evaluation of variations in predominant gut microbiota members in inflammatory bowel disease using real-time PCR.

Mol Biol Rep

January 2025

Department of Internal Medicine, Faculty of Medicine, Urmia University of Medical Sciences, Imam Khomeini Hospital, Urmia, Iran.

Inflammatory Bowel Disease (IBD) is a persistent ailment that impacts many individuals worldwide. The interaction between the immune system and gut microbiome is thought to influence IBD development. This study aimed to assess some microbiota in IBD patients compared to healthy individuals.

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Voxel-based morphometry (VBM) of T1-weighted (T1-w) magnetic resonance imaging (MRI) is primarily used to study the association of brain structure with cognitive functions. However, in theory, T2-weighted (T2-w) MRI could also be used in VBM studies because of its sensitivity to pathology and tissue changes. We aimed to compare the T1-w and T2-w images to study brain structures in association with cognitive abilities.

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In the present research, an attempt has been made to develop a new thin film microextraction method for the extraction of several polycyclic aromatic hydrocarbons from aqueous samples collected from different industrial units prior to their analysis by gas chromatography combined with a flame ionization detector. In this approach, a thin iron mesh was modified by the formation of iron(II) oxinate on its surface and used for the extraction of analytes without an additional sorbent. For this purpose, first, the mesh was immersed in a sulfuric acid solution and then transferred into an 8-hydroxy quinoline (oxine) solution dissolved in ammonia solution.

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Objective: Cognitive dysfunction is a significant issue in old age and can cause many problems in older adults, especially those with diabetes. This study aimed to investigate the association between oral health status and DMFT index with cognitive dysfunction in community-dwelling older adults with T2D (type 2 diabetes).

Methods: This was a cross-sectional study that included 245 older people aged 60 years and older with T2D, visiting healthcare centers in north of Iran, using the cluster sampling method.

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Induction of in vitro spermatogenesis may be helpful in the treatment of infertility in azoospermic individuals and those undergoing chemotherapy. Different cultivation systems have been implemented to achieve this aim. This review study aimed to investigate the application of three-dimensional culture in the induction of in vitro spermatogenesis.

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Improvement of ovarian function in a premature ovarian failure mouse model using Vitex agnus-castus extract.

JBRA Assist Reprod

January 2025

Stem Cell and Regenerative Medicine Research Center, Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.

Objective: Premature ovarian failure (POF) leads to infertility. Numerous researchers have endeavored to enhance ovarian function through antioxidant interventions. Extract from Vitex agnus-castus (VAC) has demonstrated a protective effect.

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Objective: Many cancer survivors may experience irreversible infertility due to chemotherapy treatment for childhood cancer. In this study, spermatogenesis development was evaluated following the grafting of fresh and frozen-thawed testicular tissue from neonatal mice to the epididymal fat of adult mice.

Methods: After bilateral castration of recipient mice, fresh or frozen-thawed neonatal testis tissues were grafted into the epididymal fat of the mice.

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Background: X-linked intellectual disability (XLID) is a genetically heterogeneous disorder that results in cognitive impairment and developmental delays. Mutations in the KDM5C gene have been identified as a causative factor in XLID. This study aimed to identify novel variants associated with XLID and to investigate the clinical and genetic characteristics of XLID patients with mutations in the KDM5C gene.

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Silver nanoparticles (AgNPs), recognized for their unique properties, are widely applied in fields such as agriculture, biotechnology, food security, and medicine. However, concerns persist regarding their interactions with living organisms and potential environmental impacts. This study investigates the effects of AgNPs on key soil microbial indicators that are essential for ecological functioning.

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Background: Current approach to clinically suspicious biopsy-naïve men consists performing prostate MRI, followed by combined systematic (TRUS-Bx) and MRI-Ultrasound fusion biopsy (MRI-TBx) in those with PIRADS score ≥ 3. Researchers have attempted to determine who benefits from each biopsy method, but the results do not support the safe use of one method alone. This study aims to determine the optimal approach in biopsy-naïve men, according to their PSA levels.

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Exploring the Impact of Declarative Learning on the Consolidation of Acquired Motor Skills Under Valence Feedback.

Hum Brain Mapp

February 2025

Neuroscience and Neuroengineering Research Laboratory, Biomedical Engineering Department, School of Electrical Engineering, Iran University of Science and Technology (IUST), Tehran, Iran.

Implicit motor learning involves the acquisition and consolidation of motor skills without conscious awareness, influenced by various factors. Punishment and reward have been identified as significant modulators during training, impacting skill acquisition differently. Additionally, the role of a second declarative task in offline consolidation has been explored, affecting both stabilization and enhancement processes during wake and sleep periods.

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Potassium-Rich, Gluten-Free Diets for Patients with Sjögren's Syndrome: A Hypothesis.

Endocr Metab Immune Disord Drug Targets

January 2025

Department of Clinical and Experimental Medicine, Gastroenterology Section, "Gaspare Rodolico" Policlinico Hospital, University of Catania, Catania, Italy.

Sjögren's syndrome (SS) is an autoimmune disease and its management is palliative. There is no specific dietary protocol for SS patients. A gluten-free diet has been tested in SS patients with celiac disease (CD) and indicated modest improvements.

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Effect of a Medication Adherence Education Intervention on Clinical Outcomes in Adults with Type 2 Diabetes Mellitus: A Randomized Controlled Trial Study.

Endocr Metab Immune Disord Drug Targets

January 2025

Mohammad Asghari Jafarabadi: Professor of Biostatistics, Cabrini Research, Cabrini Health, VIC 3144, Australia; School of Public Health and Preventive Medicine, Faculty of Medicine, Nursing and Health Sciences, Monash University, VIC 3800, Australia; Road Traffic Injury Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.

Background: Low adherence to Oral Antidiabetic Drugs (OADs) in adults with Type 2 Diabetes Mellitus (T2DM) leads to complications, death, and increased healthcare costs.

Objective: This study aimed to evaluate the effectiveness of medication adherence education interventions for the clinical outcomes of adults with T2DM.

Materials And Methods: Seventy adults with T2DM from an outpatient clinic in the City of Ardabil, Iran, participated in this study.

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Neuroblastoma (NB) is a rare embryonal neuroendocrine tumor that primarily affects children aged 5 years old or younger. In advanced stages, NB requires a multifaceted treatment approach, including a combination of surgery, chemo, and radiation therapy. However, high-risk NB is still associated with poor prognosis, long-term side effects, and a high chance of relapse.

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Background: Hypertension, a leading global risk factor for mortality and disability, disproportionately affects racial and ethnic minorities. Our study investigates the association between the type of prior antihypertensive medication use and the likelihood of cardiovascular events (CVE) and assesses whether the patient's race influences this relationship.

Methods: A retrospective study of 14 836 hypertension cases aged ≥ 40 years was conducted using data from HCA Healthcare between 2017 and 2023.

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Aims: Risk prediction indices used in worsening heart failure (HF) vary in complexity, performance, and the type of datasets in which they were validated. We compared the performance of seven risk prediction indices in a contemporary cohort of patients hospitalized for HF.

Methods And Results: We assessed the performance of the Length of stay and number of Emergency department visits in the prior 6 months (LE), Length of stay, number of Emergency department visits in the prior 6 months, and admission N-Terminal prohormone of brain natriuretic peptide (NT-proBNP (LENT), Length of stay, Acuity, Charlson co-morbidity index, and number of Emergency department visits in the prior 6 months (LACE), Get With The Guidelines Heart Failure (GWTG), Readmission Risk Score (RRS), Enhanced Feedback for Effective Cardiac Treatment model (EFFECT), and Acute Decompensated Heart Failure National Registry (ADHERE) risk indices among consecutive patients hospitalized for HF and discharged alive from January 2017 to December 2019 in a network of hospitals in England.

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Donkeys are in the Equidae family but have several differences from horses. There are many studies on the pathophysiology of pain and its clinical signs in horses, but data are limited for donkeys. Therefore, the present study aimed to investigate biochemical effects of flunixin meglumine in donkeys subjected to pain induced by bloodless and surgical castration.

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The cystathionine beta-synthase (CBS) gene plays a critical role in numerous physiological processes, including cellular proliferation, bioenergetics, and redox balance, and has been implicated in many cancers, including breast and gastric cancers. Previous studies have suggested that VNTR polymorphism in intron 13 of the CBS gene may influence enzyme activity, as an increase in the number of repeats in this VNTR leads to a reduction in the activity of the CBS enzyme. In this case-control study, for the first time, we genotyped 107 patients with gastric cancer (and 111 healthy controls) and 138 patients with breast cancer (and 124 healthy controls) for the CBS VNTR polymorphism using PCR.

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Oral cavity cancer poses a significant health threat due to its aggressive nature and limited responsiveness to traditional therapies like chemotherapy and radiation, highlighting the need for more effective treatment options. To address this, researchers have explored a novel approach using niosome nanoparticles to co-encapsulate curcumin (CUR) and cisplatin (Cis), to enhance therapeutic efficacy. While CUR has anti-cancer properties, its poor bioavailability limits its effectiveness.

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Fahr's syndrome (FS) is a rare disorder characterized by intracerebral calcification, presenting with various neuropsychiatric symptoms. This case highlights a rare presentation of FS with secondary hyperparathyroidism. It underscores the importance of comprehensive evaluation of early symptoms, effective use of diagnostic procedures, and proper management of symptoms.

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Introduction: The decline of the European/western honeybee () population is on account of a plethora of microorganisms, such as and , two microsporidian fungi responsible of nosemosis that affects welfare and production of the bee industry. Accordingly, this study aimed to investigate the presence of both pathogens in bees, pollen and honey from apiaries in Southwestern Italy.

Methods: From March to July 2022 and 2023, apiaries ( = 10) were selected and classified as High Impact Areas (HIAs,  = 5) and Low Impact Areas (LIAs,  = 5) according to a 5-point environmental risk index based on factors affecting bee health sand related productions.

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Background And Aim: Oxidative stress has been considered a factor in the development of post-endoscopic retrograde cholangiopancreatography pancreatitis (PEP). The present clinical trial evaluated whether adding intravenous mesna to rectal indomethacin could prevent or alleviate PEP.

Methods: An open-labeled clinical trial was done on 698 participants undergoing endoscopic retrograde cholangiopancreatography (ERCP).

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Potato () production requires effective nutrient and weed management strategies to enhance tuber yield and quality while minimizing the environmental impact of chemical inputs. This study investigated the effects of various weed and nutrient management practices on potato tuber yield, yield components, and quality traits. The experiments were conducted over two years (2019-2020) at the University of Kurdistan's research farm in the Dehgolan Plain, using a split-plot based on randomized complete block design with four replicates.

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The role of CXCL12/CXCR4/CXCR7 axis in cognitive impairment associated with neurodegenerative diseases.

Brain Behav Immun Health

February 2025

Pediatric and Urology and Regenerative Medicine Research Center, Gene, Cell and Tissue Research Institute, Children Medical Hospital, Tehran University of Medical Sciences, Tehran, Iran.

Neurodegenerative diseases, including Alzheimer's Disease (AD), Parkinson's Disease (PD), Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS), are characterized by progressive neuronal loss and cognitive impairment (CI). The: Cysteine-X-cysteine chemokine ligand 12(CXCL12)/CXC chemokine receptor type 4 (CXCR4)/CXC chemokine receptor type 7 (CXCR7) axis has emerged as a critical molecular pathway in the development of CI in these disorders. This review explores the role of this axis in the pathogenesis of CI across these neurodegenerative diseases, synthesizing current evidence and its implications for targeted therapies.

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