1,587 results match your criteria: "Shahidi); St. Paul's Hospital[Affiliation]"

Background: Transplant recipients are given an immunosuppressive regimen such as tacrolimus to prevent organ rejection. Suprotac® is a generic tacrolimus that is utilized in kidney transplantation regimen in Iran. This post-market study was conducted to evaluate the safety and efficacy of Suprotac® in comparison with Prograf®.

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Background: Calcineurin inhibitors and mammalian target of rapamycin (mTOR) inhibitors are essential for maintaining transplanted organs. However, determining the appropriate dosage and predicting blood concentrations of these drugs based solely on net body weight may be inadequate. Previous studies have presented contradictory results regarding the impact of obesity on drug concentrations and transplant success.

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Background And Objective: Research into new noninvasive diagnostic tools for bladder cancer (BCa) with superior sensitivity and specificity to cystoscopy and cytology is promising. The current study evaluated a diagnostic panel of tumor progression-related mRNAs in urine samples of NMIBC patients and controls.

Methods: This study carefully selected 129 participants, including 67 NMIBC patients, 31 hematuria patients due to nonmalignant urological disorders, and 31 healthy individuals.

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The aim of the present research was to evaluate the effect of Urtica dioica L. (nettle) essential oil (in the forms of Pickering nanoemulsion (NEO) and free (EO)) on microbial, chemical and sensory changes of pizza cheese stored at 4 °C for 12 days. For this purpose, Escherichia coli and Listeria monocytogenes were inoculated into pizza cheese.

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Electric field stimulation directs target-specific axon regeneration and partial restoration of vision after optic nerve crush injury.

PLoS One

January 2025

Department of Ophthalmology, Keck School of Medicine, USC Roski Eye Institute, University of Southern California, Los Angeles, California, United States of America.

Failure of central nervous system (CNS) axons to regenerate after injury results in permanent disability. Several molecular neuro-protective and neuro-regenerative strategies have been proposed as potential treatments but do not provide the directional cues needed to direct target-specific axon regeneration. Here, we demonstrate that applying an external guidance cue in the form of electric field stimulation to adult rats after optic nerve crush injury was effective at directing long-distance, target-specific retinal ganglion cell (RGC) axon regeneration to native targets in the diencephalon.

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A perfusion-independent high-throughput method to isolate liver sinusoidal endothelial cells.

Commun Biol

January 2025

AngioRhythms in Health and Disease, European Center for Angioscience (ECAS), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.

Liver sinusoidal endothelial cells (LSECs) critically regulate homeostatic liver function and liver pathogenesis. However, the isolation of LSECs remains a major technological bottleneck in studying molecular mechanisms governing LSEC functions. Current techniques to isolate LSECs, relying on perfusion-dependent liver digestion, are cumbersome with limited throughput.

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Article Synopsis
  • Hemodialysis patients often face issues like malnutrition and skin problems, leading researchers to investigate whether zinc supplementation could help improve these conditions.
  • In a double-blind study with 87 participants, those receiving zinc gluconate showed increased appetite and reduced skin itching after 12 weeks, while no major side effects were reported.
  • However, the supplementation did not significantly affect body composition, strength, or other skin abnormalities compared to the placebo group.
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Introduction: This study investigated the cortical and subcortical gray matter volume (GMV) and cognitive impairment (CI) in patients with Parkinson's disease (PD).

Methods: In this study, T1-weighted magnetic resonance imaging of the cortex and subcortex was conducted on 92 individuals diagnosed with PD and 92 healthy controls (HCs). PD patients were divided into three groups: PD with normal cognition (PD-NC,  = 21), PD with mild CI (PD-MCI,  = 43), and PD with severe CI (PD-SCI,  = 28).

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In this research, the emulsification method was used to encapsulate in microparticles of whey protein concentrate (WPC) at different levels (1%, 2%, and 4%) and gum Arabic (GA) at three levels (0/5%, 1%, and 1/5%) and a constant level of sunflower oil (5%). The results showed that emulsions with higher quantities of wall materials exhibited better encapsulation efficiency (67%/57%) and preservation ability at different temperatures, different pH, and presence of 1% bile salt. During the storage time, the droplet size of the emulsion increased more than two times (from 2.

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The circadian clock regulates mitochondrial function and affects time-dependent metabolic responses to exercise. The present study aimed to determine the effects of aerobic exercise timing at the light-dark phase on the proteins expression of the circadian clock, mitochondrial dynamics, and, NAD-SIRT1-PPARα axis in skeletal muscle of high-fat diet-induced diabetic mice. In this experimental study, thirty male mice were randomly assigned into two groups based on time: the early light phase, ZT3, and the early dark phase, ZT15, and three groups at each time: (1) Healthy Control (HC), (2) Diabetic Control (DC), and (3) Diabetic + Exercise (DE).

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There is no acquiesced remedy for the treatment of traumatic brain injury (TBI)-associated impairment, especially cognitive decline. The first 24 h after TBI is a golden time for preventing the progress of the impairments. The present study aimed to examine the acute effects of fucoidan on neurological outcomes and memory performance and investigate its potential mechanisms in rats with TBI.

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Nowadays, the need to use natural pigments instead of artificial colorants in food has increased due to health risks. Chlorophyll is a natural colorant with antioxidant properties. Chlorophyll is a natural pigment with superior antioxidant properties.

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This article presents a comprehensive overview of upcycling commercial nut byproducts (such as Brazil nut, cashew, hazelnut, macadamia, peanut (also known as a legume), pecan, pine nut, pistachio, and walnut) for food, nutraceutical, and pharmaceutical applications. Upcycling nut byproducts, namely husk/hull, hard shell, brown skin, defatted flour/meal/cake, pine cone, cashew nut shell liquid, cashew apple, walnut septum, and dreg/okara, has great potential, not only to reduce/minimise waste, but also to fit within the circular economy concept. Each byproduct has its own unique functional properties, which can bring significant value.

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Article Synopsis
  • * By analyzing data from the Million Veteran Program and other cohorts, the study identifies 63 genetic loci linked to AMD, including 30 that were previously unknown, highlighting significant differences in risk among various ancestries.
  • * The findings reveal that certain genetic risk factors, like those found in the CFH locus, have varying effects based on ancestry, suggesting that targeted therapies could be developed by considering these genetic differences.
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Venous thromboembolism presenting as deep vein thrombosis or pulmonary embolism (PE) remains to be an important cause of mortality and morbidity worldwide. Despite its significance and incidence, compared to many other cardiovascular conditions there are significant gaps in knowledge in many aspects of it, including its pathophysiology. A rare sequela of PE is chronic thromboembolic pulmonary hypertension (CTEPH).

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Powdered samples of guava pulp and processing by-products (single fraction containing crushed seeds, peels, and residual pulp) are rich sources of polyphenols with antidiabetic, anti-obesity, cardioprotective, and anticancer potential. However, post-digestion retention of these bioactivities remains unclear. Therefore, these samples were subjected to in vitro digestion simulating oral, gastric, small intestine, and large intestine phases.

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Aim: The present study was conducted to produce a new carrier containing whey protein isolate-basil seed gum (WPI-BSG) conjugate to achieve superior physicochemical stability of emulsions containing vitamin D (Vit-D).

Methods: Zeta-potential and particle size analysis, spectrophotometric method, encapsulation efficiency, loading capacity and dialysis bag method were used to examined physicochemical stability and Vit-D release from the emulsions.

Results: The conjugate-stabilised emulsion showed maximum encapsulation efficiency (87.

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Background: Interstitial Pneumonitis (IP) is one of the pulmonary complications associated with mammalian Target of Rapamycin-Inhibitors (mTOR-Is). Sirolimus and everolimus belong to mTOR-Is. According to studies, IP is caused by both.

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Background: Selecting most appropriate approach between the transfemoral access (TFA) and transradial access (TRA) for diagnostic cerebral angiography is a subject of debate.

Objective: To compare the safety and efficacy of TFA and TRA for diagnostic cerebral angiography.

Methods: We performed a systematic search through four databases to find relevant clinical studies.

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Background: Aged heart is defined via structural and mitochondrial dysfunction of the heart. However, there is still no potent compound to improve cardiac function abnormalities in aged individuals. Olive oil (OLO), as an oil with monounsaturated fatty acids, has diverse protective effects on the cardiovascular system, including anti-inflammatory, anti-diabetic, and mitigating effects on blood pressure.

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Article Synopsis
  • - A novel compound called (2,4-Dimethoxyphenyl)-2-(3,4,5-trimethoxyphenyl)-1-benzo[]imidazole-6-carboxamide (5o) was created and tested for its effectiveness in killing human cancer cells (A549 and SW480) compared to normal cells (MRC-5) using the MTT assay.
  • - Compound 5o demonstrated exceptional cytotoxicity with very low effective concentrations (IC values of 0.15 μM for A549 and 3.68 μM for SW480), significantly outperforming standard cancer treatments like cisplatin, etoposide, and doxorubicin.
  • - The study
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Hypoplastic left heart syndrome (HLHS) is a relatively prevalent fetal echocardiography finding in complex congenital heart diseases. Current studies indicate that intrinsic and extrinsic mechanisms could be involved in the development of left heart hypoplasia. Left ventricular inflow or outflow disorders may cause left heart hypoplasia.

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Large nonpedunculated colorectal polyp management through the lens of an interventional endoscopist.

Can J Surg

October 2024

From the Department of Medicine, University of British Columbia, Vancouver, BC (Jiang, Shahidi); St. Paul's Hospital, Division of Gastroenterology, Vancouver, BC (Shahidi)

SummaryMinimally invasive endoscopic resection techniques are now the first-line management strategy for most large (> 20 mm) nonpedunculated colorectal polyps (LNPCPs). Appropriate technique selection depends on optical evaluation to predict lesion histopathology alongside the presence of and depth of malignant invasion. We review the indications and performance of endoscopic mucosal resection, cold snare resection, and endoscopic submucosal dissection.

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