53 results match your criteria: "Islamic Azad University Tehran Medical Sciences[Affiliation]"

Article Synopsis
  • The review investigates the unclear relationship between insulin resistance and bone mineral density (BMD), aiming to identify associations using various insulin resistance indices.
  • A systematic review of 27 studies involving over 71,000 participants was conducted, highlighting that indices like HOMA-IR showed no significant link to BMD, while a higher TyG index was generally associated with lower BMD levels.
  • The findings indicate a complex relationship requiring more longitudinal studies for robust conclusions, as the inability to conduct a meta-analysis limits the current results' strength.
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Background: Diabetes mellitus (DM), a worldwide disease affecting more than 400 million people, is associated with high blood pressure (BP). In addition to macrovascular complications, high BP in DM patients is potentially linked to microvascular complications. More than 70% of DM patients have retinopathy.

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Recent interventional investigations suggest the beneficial impact of propolis supplementation on inflammatory biomarkers; however, the results have not been summarized in a comprehensive meta-analysis. We conducted this meta-analysis to summarize all available data and provide clear evidence for whether propolis supplementation affects inflammatory biomarkers. This systematic review with meta-analysis was performed by searching databases (PubMed/Medline, Web of Science, Scopus, and Embase) until February 2024.

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Article Synopsis
  • This study investigated the relationship between GAP-43 levels in cerebrospinal fluid (CSF) and changes in brain white matter microstructure in Alzheimer's disease (AD) patients.
  • Over a follow-up period of 2 to 4 years, researchers analyzed data from 133 participants and found significant negative correlations between GAP-43 levels and specific diffusion tensor imaging (DTI) measures in early and late mild cognitive impairment (MCI).
  • The findings suggest that GAP-43 and DTI together can serve as new biomarkers to detect and monitor synaptic degeneration in AD, which could help track disease progression and evaluate treatment effectiveness.
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This systematic review and meta-analysis of randomized controlled trials (RCTs) sought to evaluate the effects of Nigella sativa (N. sativa) consumption on glycemic index in adults. A systematic literature search up to December 2023 was completed in PubMed, Scopus, and Web of Science, to identify eligible RCTs.

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Background: Preclinical research has identified the mechanisms via which bacteria influence cancer treatment outcomes. Clinical studies have demonstrated the potential to modify the microbiome in cancer treatment. Herein, we systematically analyze how gut microorganisms interact with chemotherapy and immune checkpoint inhibitors, specifically focusing on how gut bacteria affect the pharmacokinetics and pharmacodynamics of cancer treatment.

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Aim: Traffic accidents are caused by several interacting risk factors. This study aimed to investigate the interactions among risk factors associated with death at the accident scene (DATAS) as an indicator of the crash severity, for pedestrians, passengers, and drivers by adopting "Logic Regression" as a novel approach in the traffic field.

Method: A case-control study was designed based on the police data from the Road Traffic Injury Registry in northwest of Iran during 2014-2016.

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Background: Post-operative cognitive dysfunction (POCD) is a concern for clinicians that often presents post-surgery where generalized anesthesia has been used. Its prevalence ranges from 36.6% in young adults to 42.

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A review of the kappa opioid receptor system in opioid use.

Neurosci Biobehav Rev

July 2024

Department of Psychiatry, Yale University School of Medicine, 300 George Street, Suite 901, New Haven, CT 06511, USA; Clinical Neuroscience Research Unit, Connecticut Mental Health Center, 34 Park Street, New Haven, CT 06519, USA. Electronic address:

The kappa opioid receptor (KOR) system is implicated in dysphoria and as an "anti-reward system" during withdrawal from opioids. However, no clear consensus has been made in the field, as mixed findings have been reported regarding the relationship between the KOR system and opioid use. This review summarizes the studies to date on the KOR system and opioids.

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Insulin-like growth factor-1 (IGF-1) levels in multiple sclerosis patients: A systematic review and meta-analysis.

PLoS One

April 2024

Anesthesia and Critical Care Department, Critical Care Quality Improvement Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Background And Objective: Multiple sclerosis (MS) is a chronic progressive autoimmune disorder of the central nervous system (CNS) that can cause inflammation, demyelination, and axon degeneration. Insulin-like growth factor-1 (IGF-1) is a single-chain polypeptide mainly synthesized in the liver and brain. IGF-1 causes neuronal and non-neuronal cell proliferation, survival, and differentiation.

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Background And Aims: The occurrence of thiamine metabolism dysfunction syndrome (THMD), a rare autosomal recessive condition, may be linked to various mutations found in the and genes. The disease chiefly manifests through ataxia, muscle hypotonia, abrupt or subacute onset encephalopathy, and a decline in developmental milestones achieved during the early stages of infancy. We present findings from an investigation that involved two individuals from Iran, both of whom experienced seizures along with ataxia and hypotonia.

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Stevens-Johnson Syndrome (SJS) is a severe and rare adverse drug reaction associated with significant morbidity and mortality. Although SJS is commonly triggered by multiple drugs, non-steroidal anti-inflammatory drugs (NSAIDs), including diclofenac, have been frequently implicated. A middle-aged woman, who is 50 years old, has a prior medical record of high blood pressure, type 2 diabetes, and has recently suffered from a pulmonary embolism.

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Background: The ultra-rare autosomal recessive genetic disorder, You-Hoover-Fong Syndrome (YHFS), is caused by defects in the TELO2 gene and is characterized by intellectual disability, developmental delay, and ocular impairments. This study aims to contribute to a better understanding of YHFS by reviewing previous cases and introducing a novel variant in a new case.

Methods: Whole exome sequencing (WES) was conducted on the proband to identify genetic variants, and Sanger sequencing was used to confirm variants within the family.

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Background: Pontocerebellar hypoplasia is an umbrella term describing a heterogeneous group of prenatal neurodegenerative disorders mostly affecting the pons and cerebellum, with 17 types associated with 25 genes. However, some types of PCH lack sufficient information, which highlights the importance of investigating and introducing more cases to further elucidate the clinical, radiological, and biochemical features of these disorders. The aim of this study is to provide an in-depth review of PCH and to identify disease genes and their inheritance patterns in 12 distinct Iranian families with clinically confirmed PCH.

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Background: Pattern recognition of pedestrians' traffic behavior can enhance the management efficiency of interested groups by targeting access to them and facilitating planning via more specific surveys. This study aimed to evaluate the pedestrians' traffic behavior pattern by fuzzy clustering algorithm and assess the factors related to higher-risk traffic behavior of pedestrians. : This study is a secondary methodological study based on the data from a cross-sectional study.

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Background: Cornelia de Lange Syndrome (CdLS) is a rare genetic disorder characterized by a range of physical, cognitive, and behavioral abnormalities. This study aimed to perform a comprehensive review of the literature on CdLS and investigate two cases of CdLS with distinct phenotypes that underwent WES to aid in their diagnosis.

Methods: We conducted a comprehensive review of the literature on CdLS along with performing whole-exome sequencing on two CdLS patients with distinct phenotypes, followed by Sanger sequencing validation and in-silico analysis.

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Article Synopsis
  • The systematic review aimed to explore how variations in lipid levels (like HDL, LDL, triglycerides, total cholesterol, and remnant cholesterol) affect the risk of microvascular complications in diabetic patients.
  • The review included seven studies from multiple countries, focused on individuals aged 45-84 with type 2 diabetes, and found that variability in LDL and triglycerides was linked to complications, particularly nephropathy and neuropathy, while HDL showed some protective effects.
  • Despite some findings linking lipid variability to complications, the overall relationship remains unclear and highlights a need for further research across diverse populations to better understand these effects.
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Objective: While sperm freezing (cryopreservation) is an effective method for preserving fertility, it can potentially harm the structure and function of sperm due to an increase in the production of reactive oxygen species. This study aimed to assess the impact of zinc oxide nanoparticles (ZnONPs) and selenium oxide nanoparticles (SeONPs) on various sperm functional parameters, including motility, plasma membrane integrity (PMI), mitochondrial membrane potential (MMP), acrosome membrane integrity (ACi), and malondialdehyde (MDA) levels.

Methods: Semen samples were collected from 20 Albino Wistar rats.

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Evaluation of Immunogenicity of Type B Toxoid and Inactivated FMD (O) Virus with Adjuvant (ISA70-MF59).

Arch Razi Inst

June 2023

Department of Anaerobic Vaccine Research and Production, Specialized Clostridia Research Laboratory, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran.

Foot and mouth disease (FMD) and enterotoxemia are important diseases of hoofed animals. Vaccination against livestock pathogens, especially these two diseases, plays a key role in the prevention and control of these diseases. The use of combined vaccines with the aim of creating a better immune response and producing cheaper vaccines is a great contribution to Vaccine industry.

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Background And Aims: Data mining methods are effective and well-known tools for developing predictive models and extracting useful information from various data of patients. The present study aimed to predict the severity of patients with COVID-19 by applying the rule mining method using characteristics of medical images.

Methods: This retrospective study has analyzed the radiological data from 104 COVID-19 hospitalized patients diagnosed with COVID-19 in a hospital in Iran.

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Predictors of Pediatric COVID-19 vaccination: a case-control study in Tabriz, Iran.

BMC Pediatr

July 2023

Department of Knowledge and Information Science, Education and Psychology Faculty, Azarbaijan Shahid Madani University, Tabriz, Iran.

Introduction: COVID-19 vaccination of children can help reduce the severity of the infection and the death rate caused by it and also helps achieve herd immunity. The level of acceptance and high vaccination coverage is the main elements in the success of immunization programs. Children's vaccination is dependent on their parent's decision.

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The Value of Ultrasound-guided Core Needle Biopsy in Differentiating Benign from Malignant Salivary Gland Lesions.

Indian J Otolaryngol Head Neck Surg

June 2023

Department of Radiology, Faculty of Medicine, Kashan University of Medical Sciences, Shahid Beheshti Hospital, Qotb Ravandi Blvd, 8715981151 Kashan, Iran.

Purpose: In recent years, core needle biopsy (CNB) technique has received much attention, being used as alternative method of tissue sampling for surgical biopsy of salivary gland tumors (SGTs). The present study aimed to evaluate the value of CNB in differentiating benign from malignant SGTs.

Materials And Methods: Patients with suspected benign or malignant SGTs in imaging were enrolled in this study.

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Background: Patients with extensive left hemisphere damage frequently have ideational apraxia (IA) and transcortical sensory aphasia (TSA). Difficulty with action coordination, phonological processing, and complex motor planning may not be indicative of higher-order motor programming or higher-order complex formation. We report on the effects of IA and TSA on the visual and motor skill of stroke patients.

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