30,933 results match your criteria: "College of Medical[Affiliation]"

Impact of DNA Ligase 1 Genotypes on Childhood Acute Lymphocytic Leukemia.

In Vivo

December 2024

Terry Fox Cancer Research Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan, R.O.C.;

Background/aim: Genetic polymorphisms in DNA repair mechanisms can modulate overall DNA repair capacity, potentially influencing individual susceptibility to cancer. This study investigated the relationship between polymorphic variations in DNA ligase 1 and the risk of childhood acute lymphocytic leukemia (cALL).

Materials And Methods: The genotypes of DNA ligase 1 rs20579 were determined using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis.

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Heme oxygenase 1 (HO-1), an enzyme involved in heme catabolism, has been shown upregulated in microglia cells and plays a critical roles in neurological damages after intracerebral hemorrhage (ICH). However, the mechanisms by which HO-1 mediates the neuronal damages are still obscure. Here, our findings demonstrate that HO-1 over-expression exacerbates the pro-inflammatory response of microglia and induces neuronal ferroptosis through promoting intracellular iron deposition in the ICH model both in vitro and in vivo.

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Pulmonary fibrosis is excessive scarring of the lung tissues. Transforming growth factor-beta (TGF-β) has been implicated in pulmonary fibrosis due to its ability to induce the epithelial-to-mesenchymal transition (EMT) and promote epithelial cell migration. Cyclin-dependent kinase 8 (CDK8) can mediate the TGF-β signaling pathways and could function as an alternative therapeutic target for treating pulmonary fibrosis.

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Rathke's cleft cysts (RCCs) are benign, cystic lesions that account for less than 5% of cases in the pediatric population. While asymptomatic RCCs often require only conservative management, symptomatic cases may necessitate surgical intervention. Advances in surgical techniques have improved the safety of these procedures.

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Combining genomics and epidemiology to investigate a zoonotic outbreak of rabies in Romblon Province, Philippines.

Nat Commun

December 2024

Boyd Orr Centre for Population and Ecosystem Health, School of Biodiversity, One Health & Veterinary Medicine, College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, UK.

Rabies is a viral zoonosis that kills thousands of people annually in low- and middle-income countries across Africa and Asia where domestic dogs are the reservoir. 'Zero by 30', the global strategy to end dog-mediated human rabies, promotes a One Health approach underpinned by mass dog vaccination, post-exposure vaccination of bite victims, robust surveillance and community engagement. Using Integrated Bite Case Management (IBCM) and whole genome sequencing (WGS), we enhanced rabies surveillance to detect an outbreak in a formerly rabies-free island province in the Philippines.

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Background: Major depression is classified into distinct subtypes: simple (SDMD) and major dysmood disorder (MDMD). MDMD patients exhibit elevated atherogenicity and decreased reverse cholesterol transport (RCT). However, comprehensive data regarding lipid metabolism is absent in first episode (FE)-SDMD.

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Background: India, with the largest population and second-highest type 2 diabetes mellitus (T2DM) prevalence, presents a unique genetic landscape. This study explores the genetic profiling of T2DM, aiming to bridge gaps in existing research and provide insights for further explorations.

Methods: We conducted a systematic review and meta-analysis of literature published up to September 2024 using databases like PubMed, Web of Science, Scopus, and Google Scholar to identify SNPs associated with T2DM in case-control studies within the Indian population.

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Background: The Dietary Approaches to Stop Hypertension (DASH) are associated with reduced cardiovascular, diabetes risk, but the effect on obstructive sleep apnea (OSA) is uncertain.

Methods: This study used data from the National Health and Nutrition Examination Survey (NHANES). DASH score was assessed through 24-h dietary recall interviews, and OSA diagnosis in individuals was based on predefined criteria.

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The present study was conducted from December 2021 to April 2023 at the College of Health and Medical Technologies, Al-Bayan University, in Baghdad province, Iraq, to detect infection in humans by serological methods. Field studies were conducted using 1,500 sera samples from hospitals and private medical laboratories. The sera samples were separated and examined by indirect immunoglobulin G enzyme-linked immunosorbent assays to serologically detect infection.

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G-cleave LC3B biosensor: monitoring autophagy and assessing resveratrol's synergistic impact on doxorubicin-induced apoptosis in breast cancer cells.

Breast Cancer Res

December 2024

School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Taipei Medical University, New Taipei City, Taiwan.

Autophagy, a crucial process in cancer, is closely intertwined with both tumor progression and drug resistance development. However, existing methods used to assess autophagy activity often pose invasiveness and time-related constraints, limiting their applicability in preclinical drug investigations. In this study, we developed a non-invasive autophagy detection system (NIADS-autophagy, also called G-cleave LC3B biosensor) by integrating a split-luciferase-based biosensor with an LC3B cleavage sequence, which swiftly identified classic autophagic triggers, such as Earle's Balanced Salt Solution and serum deprivation, through protease-mediated degradation pathways.

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Objective: The study aimed to explore the short and long-term effects of the Vivifrail-B multicomponent exercise based on society ecosystems theory on physical function in community-dwelling frail older adults.

Methods: 59 older adults were randomly assigned to the intervention (n = 30) and control (n = 29) groups. The exercise was performed thrice a week for 12 weeks, with one offline group training and two at home training.

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Background: Gallstone formation is a common digestive ailment, with unclear mechanisms underlying its development. Dysfunction of the gallbladder smooth muscle (GSM) may play a crucial role, particularly with a high-fat diet (HFD). This study aimed to investigate the effects of an HFD on GSM and assess how it alters contractility through changes in the extracellular matrix (ECM).

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Sinonasal leiomyoma is an exceptionally rare neoplasm arising from smooth muscle cells within the sinonasal tract. This abstract presents a case study of a 43-year-old male patient diagnosed with sinonasal leiomyoma, a distinctive and challenging entity in otolaryngology. The patient presented with a complex clinical history, including a 2-year interval between initial evaluation and definitive diagnosis.

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Deep learning identification of novel autophagic protein-protein interactions and experimental validation of Beclin 2-Ubiquilin 1 axis in triple-negative breast cancer.

Oncol Res

December 2024

Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China.

Background: Triple-negative breast cancer (TNBC), characterized by its lack of traditional hormone receptors and HER2, presents a significant challenge in oncology due to its poor response to conventional therapies. Autophagy is an important process for maintaining cellular homeostasis, and there are currently autophagy biomarkers that play an effective role in the clinical treatment of tumors. In contrast to targeting protein activity, intervention with protein-protein interaction (PPI) can avoid unrelated crosstalk and regulate the autophagy process with minimal interference pathways.

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Significance: The eye can be used as a potential monitoring window for screening, diagnosis, and monitoring of neurological diseases. Alzheimer's disease (AD) and vascular cognitive impairment (VCI) are common causes of cognitive impairment and may share many similarities in ocular signs. Multimodal ophthalmic imaging is a technology to quantify pupillary light reaction, retinal reflectance spectrum, and hemodynamics.

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Introduction: This study protocol specifies the primary research line and theoretical framework of the 2023 Survey of the Psychology and Behavior of the Chinese Population. It aims to establish a consistent database of Chinese residents' psychological and behavioral surveys through multi-center and large-sample cross-sectional surveys to provide robust data support for developing research in related fields. It will track the public's physical and psychological health more comprehensively and systematically.

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Background Uterine isthmocele, a defect in the uterine wall at the cesarean scar, is increasingly recognized due to the rising rate of cesarean deliveries. Often asymptomatic, it may lead to complications such as abnormal bleeding, chronic pelvic pain, secondary infertility, or uterine rupture during subsequent pregnancies. Objective This study aimed to assess the prevalence, clinical features, and associated risk factors of uterine isthmocele among women with previous cesarean scars over four years (2019-2023) at Rabia Balkhi Hospital, Afghanistan.

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Dermoscopic findings in chronic venous insufficiency.

Med J Armed Forces India

December 2024

Senior Medical Officer (Dermatology), Govt of NCT of Delhi, Bhagwan Mahavir Hospital, Pitampura, Delhi, India.

Background: Chronic venous insufficiency (CVI) causes cutaneous changes. This prospective observational study reveals dermoscopic findings in CVI.

Methods: Successive CVI patients of ≥18 years were included in the study.

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Background: Acute kidney injury (AKI) within the intensive care unit (ICU) is common but evidence is limited on longer-term renal outcomes. We aimed to model the trend of kidney function in ICU survivors using estimated glomerular filtration rate (eGFR), comparing those with and without AKI, and investigate potential risk factors associated with eGFR decline.

Methods: This observational cohort study included all patients aged 16 or older admitted to two general adult ICUs in Scotland between 1st July 2015 and 30th June 2018 who survived to 30 days following hospital discharge.

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Red, known as Huangjing in Chinese, is a perennial plant valued in traditional Chinese medicine and is a nutritional food ingredient. With increasing market demand outpacing wild resource availability, cultivation has become essential for sustainable production. However, the cultivation of is challenged by the double dormancy characteristics of seeds, which include embryo and physiological dormancy.

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Design of a versatile platform on nanostructured Ti-Mo-Zr alloy surface with photothermal, antibacterial and osteoinductive properties for biomedical application.

Colloids Surf B Biointerfaces

December 2024

School of Materials and Physics, China University of Mining and Technology, Xuzhou 221116, PR China; School of Materials Science and Engineering, Jiangsu Key Laboratory for Advanced Metallic Materials, Southeast University, Nanjing 2211189, PR China. Electronic address:

Bacterial infection and inadequate osseointegration represent significant challenges in the application of titanium (Ti)-based bone implants. Surface modification presents a promising strategy to address these obstacles. Taking advantage of silver ions, black phosphorus nanosheets (BPNs) and polydopamine (PDA), this study developed a versatile platform on the surface of Ti-12Mo-10Zr (TMZ) alloy through a multiple surface modification process, including the anodic oxidation treatment of TMZ alloy, the preparation and addition of silver-loaded BPNs (BPNs/Ag), and the coating with PDA.

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Background And Aim: Cholangiocarcinoma (CCA) is an aggressive malignancy with a poor prognosis. Bile duct and peribiliary changes related to CCA may present on ultrasound (US) findings. This study aims to evaluate US findings that could be used as predictors for developing CCA through our surveillance program in an endemic area of Thailand.

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This study aims to establish a genetic risk assessment model based on a score of short tandem repeats (STRs) of polygenic inheritance. A total of 396 children and their biological parents were collected for STR genotyping. The numbers of tandem repeats of two alleles in one STR locus were assumed to be a quantitative genetic strength for disease incidence.

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Background: Severe or recurring major depression is associated with increased adverse childhood experiences (ACEs), heightened atherogenicity, and immune-linked neurotoxicity (INT). Nevertheless, the interconnections among these variables in outpatient major depression (OMDD) have yet to be determined. We aim to determine the correlations among INT, atherogenicity, and ACEs in OMDD patients compared to normal controls.

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