45,617 results match your criteria: "southern medical university[Affiliation]"

Background: Magnetic resonance (MR) diffusion-derived 'vessel density' (DDVD) is calculated according to: DDVD = Sb0/ROI - S/ROI, where S and S refer to the tissue signal when -value is 0 or 2 s/mm. S and ROI can also be approximated by other low -values diffusion-weighted imaging (DWI). This study investigates the influence of the second motion probing gradient -value and T2 on DDVD calculations of the liver, spleen, and liver simple cyst.

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Mechanical force attracts booming attention with the potential to tune the tumor cell behavior, especially in cell migration. However, the current approach for introducing mechanical input is difficult to apply in vivo. How the mechanical force affects cell behavior in situ also remains unclear.

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3D synergistic tumor-liver analysis further improves the efficacy prediction in hepatocellular carcinoma: a multi-center study.

BMC Cancer

January 2025

Department of Radiology, Zhuhai Clinical Medical College of Jinan University (Zhuhai People's Hospital, The Affiliated Hospital of Beijing Institute of Technology), No. 79 Kangning Road, Zhuhai, 519000, Guangdong Province, China.

Background: Besides tumorous information, synergistic liver parenchyma assessments may provide additional insights into the prognosis of hepatocellular carcinoma (HCC). This study aimed to investigate whether 3D synergistic tumor-liver analysis could improve the prediction accuracy for HCC prognosis.

Methods: A total of 422 HCC patients from six centers were included.

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YHSeqY3000 panel captures all founding lineages in the Chinese paternal genomic diversity database.

BMC Biol

January 2025

Institute of Rare Diseases, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610000, Sichuan, China.

Background: The advancements in second-/third-generation sequencing technologies, alongside computational innovations, have significantly enhanced our understanding of the genomic structure of Y-chromosomes and their unique phylogenetic characteristics. These researches, despite the challenges posed by the lack of population-scale genomic databases, have the potential to revolutionize our approach to high-resolution, population-specific Y-chromosome panels and databases for anthropological and forensic applications.

Objectives: This study aimed to develop the highest-resolution Y-targeted sequencing panel, utilizing time-stamped, core phylogenetic informative mutations identified from high-coverage sequences in the YanHuang cohort.

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Effectiveness and safety of finerenone in membranous nephropathy patients: a retrospective, real‑world study.

Int Urol Nephrol

January 2025

Guangdong Provincial People's Hospital, Guangdong Cardiovascular Institute, Guangdong Academy of Medical Sciences, Guangdong, 510000, China.

Purpose: We aimed to conduct a retrospective analysis to assess the efficacy and safety of finerenone in patients with membranous nephropathy (MN).

Methods: This study conducted a retrospective analysis of patients with MN who were treated with finerenone for follow-up period ranging from 3 to 6 months. The study compared the estimated glomerular filtration rate (eGFR), urine total protein-to-creatinine ratio (PCR), urine albumin-to-creatinine ratio (ACR), serum creatinine concentration (SCr), blood pressure and serum potassium (K+) during the follow-up period.

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To investigate the incidence rate, risk factors, and clinical implications of postoperative pulmonary complications (PPCs) in patients undergoing colorectal cancer surgery (CRC). The study extracted data from the National Inpatient Sample (NIS) between 2010 and 2019. Patients' data were analyzed to identify predictors of PPCs, and the association between possible factors and PPCs were also assessed.

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Intravenous beta-blockers versus amiodarone on in-hospital mortality and safety profile in adult septic patients.

Med Intensiva (Engl Ed)

January 2025

Emergency Intensive Care Unit, Department of Emergency Medicine, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, 106 Zhongshan Er Road, Guangzhou 510080, Guangdong, China; Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, Guangdong, China. Electronic address:

Objective: In the present study, we aimed to compare in-hospital mortality and safety of intravenous beta-blockers and amiodarone in septic patients with new-onset atrial fibrillation (NOAF). The null hypothesis is that there is no significant difference in in-hospital mortality and safety of Beta-blocker (BBs) and amiodarone in treating NOAF in patients with sepsis.

Design: We conducted a retrospective analysis based on the MIMIC-IV database.

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Ovarian endometrioma (OEM), a particularly severe form of endometriosis, is an oestrogen-dependent condition often associated with pain and infertility. The mechanisms by which OEM impairs fertility, particularly through its direct impact on oocyte-cumulus cell (CC) communication and related pathways, remain poorly understood. This study investigates the impact of OEM on oocyte-CC communication and explores melatonin's therapeutic potential.

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LMSST-GCN: Longitudinal MRI sub-structural texture guided graph convolution network for improved progression prediction of knee osteoarthritis.

Comput Methods Programs Biomed

January 2025

School of Biomedical Engineering and Guangdong Provincial Key Laboratory of Medical Image Processing, Southern Medical University, 1023 Shatai Road, Guangzhou 510515, China; Guangdong Province Engineering Laboratory for Medical Imaging and Diagnostic Technology, Southern Medical University, 1023 Shatai Road, Guangzhou 510515, China; Pazhou Lab, Guangzhou 510330, China. Electronic address:

Background And Objectives: Accurate prediction of progression in knee osteoarthritis (KOA) is significant for early personalized intervention. Previous methods commonly focused on quantifying features from a specific sub-structure imaged at baseline and resulted in limited performance. We proposed a longitudinal MRI sub-structural texture-guided graph convolution network (LMSST-GCN) for improved KOA progression prediction.

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Sepsis is a severe systemic inflammatory syndrome characterized by a dysregulated immune response to infection, often leading to high mortality rates. The intestine, owing to its distinct structure and physiological environment, plays a pivotal role in the pathophysiology of sepsis. It functions as the "central organ" or "engine" in the progression of sepsis, with intestinal injury exacerbating the condition.

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A novel ubiquitination-related gene signature for overall survival prediction in patients with liver hepatocellular carcinoma.

Discov Oncol

January 2025

Medical Research Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China.

Liver hepatocellular carcinoma (LIHC) is a highly heterogeneous disease, necessitating the discovery of novel biomarkers to enhance individualized treatment approaches. Recent research has shown the significant involvement of ubiquitin-related genes (UbRGs) in the progression of LIHC. However, the prognostic value of UbRGs in LIHC has not been investigated.

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Detecting CYP2C19 genes through an integrated CRISPR/Cas13a-assisted system.

Anal Methods

January 2025

School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China.

CYP2C19 gene single nucleotide polymorphisms (SNPs) should be considered in the clinical use of clopidogrel as they have important guiding value for predicting the risk of bleeding and thrombosis after clopidogrel treatment. The CRISPR/Cas system is increasingly used for SNP detection owing to its single-nucleotide mismatch specificity. Simultaneous detection of multiple SNPs for rapid identification of the CYP2C19 genotype is important, but there is no method to detect a wide variety of CYP2C19 SNPs.

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A Randomized, Comparative Trial of a Potassium-Competitive Acid Blocker (X842) and Lansoprazole for the Treatment of Patients with Erosive Esophagitis.

Clin Transl Gastroenterol

January 2025

Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Diseases, Beijing Digestive Disease Center, Beijing 100050, China.

Introduction: X842 is a new type of gastric acid-suppressing agent with a rapid onset of action and a long duration of effect. We aim to investigate the efficacy and safety of different doses of X842 versus lansoprazole in the treatment of patients with erosive esophagitis (EE).

Methods: This phase 2 study included 90 patients with EE (Los Angeles grades A-D) who were randomized (1:1:1) to receive oral low-dose X842 (50 mg/day, n=31), high-dose X842 (100 mg/day, n=31), or lansoprazole (30 mg/day, n=30) for 4 weeks.

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Diabetic foot ulcer (DFU) is a common and severe complication of diabetes mellitus, the etiology of which remains insufficiently understood, particularly regarding the involvement of extracellular vesicles (EVs). In this study, nanoflow cytometry to detect EVs in DFU skin tissues is used and found a significant increase in the Translocase of Outer Mitochondrial Membrane 20 (TOM20) mitochondrial-derived vesicles (MDVs). The role of MDVs in DFU is yet to be reported.

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Aims: This study aims to conduct a bibliometric and visual analysis of published studies on myocarditis and coronavirus disease 2019 (COVID-19) vaccines.

Background: The widespread epidemic of COVID-19 has caused millions of deaths and profoundly affected the global medical landscape. Studies on COVID-19 vaccination and related myocarditis have also increased significantly.

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Background: Frontline medical staff's psychological symptoms deserve persistent attention after 3 years of high-pressure and high-intensity work during the pandemic. In addition, the meaning of burnout and its relationship with depression and anxiety have long been debated. This study aimed to identify profiles of these symptoms among Chinese medical staff with frontline anti-epidemic experience, along with their distinguishing characteristics.

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Aims: Aurora kinase A (AURKA) has been implicated in promoting myeloid and renal fibrosis. This study aimed to investigate the impact and underlying mechanism of AURKA on liver fibrosis and to assess the therapeutic potential of MLN8237, a small-molecule AURKA inhibitor, in preventing liver fibrosis in mice.

Methods: The research used bioinformatics analysis and immunohistochemistry staining on fibrotic liver tissues from human and mouse models to assess AURKA expression.

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Background: Chemoimmunotherapy is the first-line therapy for patients with recurrent or metastatic nasopharyngeal carcinoma (NPC) and is currently the main induction treatment option for patients with locoregionally advanced NPC. However, it remains unclear whether combining immunotherapy with standard induction chemotherapy enhances its efficacy. This study aimed to evaluate the efficacy, toxicity, and survival outcomes of induction chemoimmunotherapy in patients with locoregionally advanced NPC.

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Aim: The aim of our study was to assess the impact of high body mass index (BMI) on type 2 diabetes mellitus (T2DM) in different Socio-Demographic Development Index (SDI) regions using data from the Global Burden of Disease (GBD) 2021 study.

Methods: Using data from the GBD study, the burden of disease for T2DM was measured by analyzing the age-standardized disability-adjusted life year rate (ASDR) and age-standardized mortality rate (ASMR) for type 2 diabetes due to high BMI and the associated estimated annual percentage change (EAPC). Decomposition analyses, frontier analyses, and predictive models were used to analyze changes and influencing factors for each metric.

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Efficacy and safety of non-invasive low-frequency tibial nerve stimulator in overactive bladder.

Eur J Med Res

January 2025

Department of Urology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, NO.1 DaHua Road, Dong Dan, Beijing, 100730, China.

Objectives: To evaluate the efficacy and safety of a non-invasive low-frequency tibial nerve stimulator (TNS-01) vs sham control in relieving the symptoms of overactive bladder (OAB) patients.

Patients: Participants who were diagnosed with primary OAB or exhibited at least one OAB symptom. All participants underwent three 30-min intervention sessions weekly.

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Background: Compound inheritance of TBX6 accounts for approximately 10% of sporadic congenital scoliosis (CS) cases. Such cases are called TBX6-associated congenital scoliosis (TACS). TACS has been reported to have certain common clinical phenotypes.

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Background: Few Chinese study compared the impacts of idarubicin and daunorubicin based "3+7" intensive chemotherapies on early and long-term outcomes of AML patients through exploring their real-world data.

Patients And Methods: Our none promyelocytic AML patients inducted with "3+7" regimens were studied to find out the factors relating with induction response and long term survival.

Results: Idarubicin induction was related with less chemotherapy refractory rate comparing with daunorubicin induction (10% vs 25%, P = 0.

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Kidney failure-related excess mortality during the first three years of the COVID-19 pandemic in the United States: a nation-wide, population-based analysis.

BMC Public Health

January 2025

Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, No.253 Industrial Avenue Middle, Guangzhou, 510280, China.

Background: The onset of the COVID-19 pandemic has had a detrimental impact on the healthcare system. Patients with kidney failure and related kidney disease are notably vulnerable to the COVID-19 pandemic. However, it remains unclear how mortality trends associated with kidney failure have evolved over the past three years.

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Feedback loop centered on MAF1 reduces blood-brain barrier damage in sepsis-associated encephalopathy.

Cell Mol Biol Lett

January 2025

Department of Critical Care Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China.

Background: A previous study found that MAF1 homolog, a negative regulator of RNA polymerase III (MAF1), protects the blood-brain barrier (BBB) in sepsis-associated encephalopathy (SAE); however, the related molecular mechanisms remain unclear.

Subjects And Methods: In this study, a rat sepsis model was constructed using the cecum ligation and puncture (CLP) method. In vitro, rat brain microvascular endothelial cells and astrocytes were stimulated with serum from the sepsis model rats.

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