27,902 results match your criteria: "Que.; The Ottawa Hospital Research Institute Srour[Affiliation]"

Physicochemical properties and fermentation characteristics of a novel polysaccharide degraded from residues polysaccharide.

Food Chem X

December 2024

College of Life Sciences, Engineering Research Center of Bioreactor and Pharmaceutical Development, Ministry of Education, Jilin Agricultural University, Changchun 130118, Jilin, PR China.

() residues polysaccharide (FVRP) is a high molecular weight polysaccharide with diverse bioactivities extracted from residues (FVR). However, high molecular weight polysaccharides have been shown to face significant challenges in crossing the cell membrane barrier, thereby limiting their absorption and application in the body. Therefore, an ultrasonic-assisted HO-Fe method was employed for the first time to degrade FVRP, resulting in the production of a new polysaccharide, FVRPF.

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SENP6-Mediated deSUMOylation of Nrf2 Exacerbates Neuronal Oxidative Stress Following Cerebral Ischemia and Reperfusion Injury.

Adv Sci (Weinh)

December 2024

Department of Anesthesiology and Pain Medicine, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.

Oxidative stress is believed to play critical pathophysiological roles in ischemic brain injury, and the nuclear factor erythroid 2-related factor 2 (Nrf2) signaling pathway is recognized as the most crucial endogenous antioxidant stress damage route. Some research have demonstrated that Nrf2 play critical roles in oxidative stress after ischemic stroke, but the underlying mechanism are not fully elucidated. This study reveals that Nrf2 is modified by SUMOylation and identifies Sentrin/SUMO-specific protease 6 (SENP6) as a negative regulator of Nrf2 SUMOylation.

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[Not Available].

Adv Lab Med

December 2024

Sección de Bioquímica Clínica y Facultad de Medicina, Universidad de Verona, Verona, Italia.

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Squamous cell carcinomas (SCC) are often preceded by potentially malignant precursor lesions, most of which remain benign. The terminal exhaustion phenotypes of effector T-cells and the accumulation of myeloid-derived suppressor cells (MDSC) have been thoroughly characterized in established SCC. However, it is unclear what precancerous lesions harbor a bona fide high risk for malignant transformation and how precancerous epithelial dysplasia drives the immune system to the point of no return.

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Respiratory diseases pose a major public health challenge globally, necessitating collaborative efforts between basic researchers and clinicians for effective solutions. China, which is heavily impacted by a broad spectrum of respiratory disorders, has made notable strides in both research and clinical management of these diseases. The International Respiratory Medicine (IRM) meeting was organized with the primary goal of facilitating the exchange of recent research developments and promoting collaboration between Chinese and American scientists in both basic and clinical research fields.

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Background: Remimazolam, a novel ultra-short-acting benzodiazepine, shows promise for procedural sedation. This study compared the cognitive recovery of remimazolam versus propofol in elderly patients undergoing colonoscopy.

Patients And Methods: In this prospective, randomized, double-blind, controlled trial, 228 patients aged ≥ 65 years undergoing outpatient colonoscopies were recruited.

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Background: The multi-biological barriers present in the inflammatory microenvironment severely limit the targeted aggregation of anti-inflammatory drugs in the lesion area. However, conventional responsive drug carriers inevitably come into contact with several pro-responsive stimulatory mediators simultaneously, leading to premature drug release and loss of most therapeutic effects. Breaking through the multi-level barriers of the inflammatory microenvironment is essential to improve the enrichment and bioavailability of drugs.

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Background: Allo-HSCT is a curative therapy for patients with transfusion-dependent thalassemia (TDT). The high incidence of transplant-related complications is becoming an obstacle to safe and effective unrelated donor (URD) transplantation.

Methods: In this retrospective study, we reported the survival outcomes and complications of transplantation in thalassemia patients using a novel regimen consisting of pre-transplantation immunosuppression (PTIS) and modified myeloablative conditioning based on intravenous busulfan, cyclophosphamide, fludarabine, and rabbit anti-human thymocyte immunoglobulin.

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A novel nanocomplex was prepared using soybean protein isolate (SPI) and oxidized fucoidan (OFU) to explore the structural and interaction variations and evaluate its potential for quercetin delivery. The optimized SPI to OFU mass ratio of 10:1 (SFU3) resulted in a nanocomplex particle size of 198.1 nm and increased ζ-potential.

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eEF2K alleviates doxorubicin-induced cardiotoxicity by inhibiting GSK3β and improving autophagy dysfunction.

Cell Biol Toxicol

December 2024

Department of Cardiology, Laboratory of Heart Center, Zhujiang Hospital, Southern Medical University, No 253, Middle Gongye Avenue, 510282, Guangzhou, Guangdong, People's Republic of China.

Doxorubicin-induced cardiotoxicity (DIC) poses a threat to the health and prognosis of cancer patients. It is important to find a safe and effective method for the prevention and treatment of DIC. eEF2K, which is a highly conserved α-kinase, is thought to be a therapeutic target for several human diseases.

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[Regardless of genetic susceptibility to Alzheimer's disease, a better lifestyle is associated with a lower risk of dementia and less cognitive decline].

Med Sci (Paris)

December 2024

Centre de recherche Bordeaux Population Health, Inserm U1219, institut de santé publique, d'épidémiologie et de développement, université de Bordeaux, Bordeaux, France.

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Pancreatic ductal adenocarcinoma (PDAC) is one of the most challenging types of cancer with little or no response to immune checkpoint inhibitors (ICIs). Photodynamic therapy (PDT) has been shown to ablate tumors and induce an immune response. In our study, we investigated the effect of photodynamic therapy (PDT), using the photosensitizer Bremachlorin, in its ability to reduce tumor burden and to sensitize immunologically T-cell high and T-cell low murine PDAC tumors to the ICI that blocks programmed cell death-1 (PD-1) immune checkpoint.

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A pea protein isolate (PPI)-hyaluronic acid (HA) nanocarrier delivery system was created for quercetin (Que) encapsulation using the pH conversion strategy. The self-assembly of the PPI-HA binary nanocomplex (HPP) were mainly driven by electrostatic and hydrophobic interactions. Que was successfully encapsulated in HPP nanocomposites (Que@HPP), which exhibited preferable redispersibility, and encapsulation efficiency (87.

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Introduction: Self-determination theory (SDT) highlights the importance of satisfying people's basic psychological needs (BPN) (autonomy, competence and relatedness) in order to ensure their personal growth and wellbeing. In this regard, sport and physical activity (PA) have been shown to offer significant health benefits, particularly in the case of people with intellectual disability (ID), among whom the benefits are even more noticeable owing to their low levels of PA, sedentary lifestyle, limited opportunities to exercise, and consequently lower quality of life. The aim of this study is to assess the impact of the Más Que Tenis ("More Than Just Tennis") inclusive recreational sports programme on the satisfaction of BPN among athletes with ID, taking into account factors such as age, gender and type of activity.

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Inflammation-reducing thermosensitive hydrogel with photothermal conversion for skin cancer therapy.

J Control Release

December 2024

College of Biomedical Engineering and National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China. Electronic address:

Photothermal therapy (PTT) has widely been utilized for postoperative treatment of skin cancer, while high temperature, usually >50 °C, would induce damage to healthy tissue and increased wound inflammation. Herein, we developed an "all in one" hydrogel to enhance mild PTT for postoperative skin cancer treatment while circumventing photothermo-induced inflammation by loading quercetin (Que)-coated tannin‑iron (TA-Fe) nanoparticles with poly (N-acrylylglycine) amine (PNAGA) hydrogel (Que@TA-Fe@PNAGA). Exposure to near-infrared light, Que.

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Results at one year of the TROPIS technique in the treatment of complex anal fistula.

Cir Esp (Engl Ed)

December 2024

Full professor at the University of Seville, Department of General and Digestive Surgery, Head of the Coloproctology Unit, Hospital Universitario Virgen del Rocío, Sevilla, Spain.

Introduction: It is a priority to find surgical techniques that guarantee acceptable healing rates without sequelae in the treatment of complex anal fistula. The concept of the deep intersphincteric space as the origin of perianal sepsis has provided a new perspective, allowing the emergence of techniques such as TROPIS (Transanal Opening of Intersphincteric Space), with few published series to date. The aim of this study is to evaluate the healing rate and complications one year after the TROPIS technique as a treatment for complex anal fistula without hospitalization.

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Nonheme iron enzymes utilize = 2 iron(IV)-oxo intermediates as oxidants in biological oxygenations. In contrast, corresponding synthetic nonheme Fe═O complexes characterized to date favor the = 1 ground state that generally shows much poorer oxidative reactivity than their = 2 counterparts. However, one intriguing exception found by Nam a decade ago is the = 1 [Fe(O)(MeNTB)] complex (MeNTB = [tris((-methyl-benzimidazol-2-yl)methyl)amine], ) with a hydrogen atom transfer (HAT) reactivity that is 70% that of the = 2 [Fe(O)(TQA)] complex (TQA = tris(2-quinolylmethyl)amine, ).

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Military contributions to our Canadian surgical landscape.

Can J Surg

December 2024

Coeditors-in-chief, CJS (Ball, Harvey); the Department of Surgery, University of Calgary, Calgary, Alta. (Ball); and the Department of Surgery, McGill University, Montréal, Que. (Harvey).

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Quercetin promotes osteogenic differentiation of bone marrow mesenchymal stem cells by modulating the miR-214-3p/Wnt3a/β-catenin signaling pathway.

Exp Cell Res

January 2025

College of Pharmacy, Jinan University, Guangzhou, 510632, China; Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Informatization, Guangzhou, 510632, China. Electronic address:

Postmenopausal osteoporosis, primarily driven by estrogen deficiency, is predominantly mediated through estrogen receptors such as ERα. However, the underlying mechanisms necessitate further investigation. In this study, we established an ERα-deficient model in rBMSCs to elucidate the role of ERα in osteogenic differentiation and miRNA expression profiles.

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Background: The modification of the female brain during matrescence has focused on neurobiological research, but it remains open to the analysis of psychological consequences that transcend postpartum depression or anxiety. Our objectives have consisted of: 1. Investigate whether all mothers also perceive emotional instability, loss of memory and identity, and if this depends on external factors.

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Liver fibrosis is a chronic disease that lacks effective drug treatment. Chronic damage and inflammation lead to the formation of collagen and fibrous scars. However, the excessive accumulation of collagen I significantly hinders the delivery of drugs into liver tissue.

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This study aims to investigate the systemic mechanism of Panax notoginseng saponins (PNS) in antiaging using network pharmacology combined with experimental validation. String database and Cytoscape3.7.

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