Publications by authors named "Liu Hongfang"

The skin serves as a crucial barrier against microbial invasion, but breaches in this barrier can lead to infectious skin diseases (ISD). ISD, including bacterial (BSD), fungal (FSD) and viral Skin Disease (VSD), pose significant global health challenges. Age-standardized and age specific incidence, prevalence, and lived with disability (YLDs) data for ISD were sourced from the Global Burden of Disease Study 2021 (GBD 2021) and demographic data from the United Nations.

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Low-iridium acid-stabilized electrocatalysts for efficient oxygen evolution reaction (OER) are crucial for the market deployment of proton exchange membrane (PEM) water electrolysis. Manipulating the in situ reconstruction of Ir-based catalysts with favorable kinetics is highly desirable but remains elusive. Herein, we propose an atomic ordering strategy to modulate the dynamic surface restructuring of catalysts to break the activity/stability trade-off.

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Electrochemical carbon dioxide reduction reaction (CORR) to highly value-added multi-carbon (C) fuels or chemicals is a promising pathway to address environment issues and energy crisis. In the periodic table, Cu as only the candidate can convert CO to C products such as CH and CHOH due to the suitable absorption energy to reaction intermediate. However, application of Cu is limited for its low activity and poor selectivity.

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We presented a case of chronic mucocutaneous candidiasis (CMC) due to STAT1 GOF mutation with recurrent enteritis and intestinal obstruction. A 33-year-old woman complained of recurrent oral erosion and finger (toe) nails damage for over 30 years. Candida albicans were cultured from the oral mucosa and nails.

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  • Obesity is a significant health issue in the U.S., affecting about 34% of adults and 15-20% of children, leading to serious economic and emotional challenges.
  • Due to the complex nature of obesity, responses to anti-obesity medications differ among patients, emphasizing the need for a personalized approach through obesity deep phenotyping and precision medicine.
  • The study explores using electronic health records (EHR) to create detailed clinical profiles of obesity patients, identifying nine patient clusters with five showing distinct clinical relevance, suggesting further research is necessary for validation.
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The photon-energy conversion covering the full spectral wave band is crucial for detecting and storing information. Schottky junctions in nanoscale such as TiO:Ag enable multicolor photochromism and information storage in the visible region. However, the photoelectrons from the UV-excited semiconductor cause the loss of information.

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An efficient electrocatalytic conversion of CO into valuable multicarbon (C) products requires enhanced C-C coupling of C1 intermediates. Herein, we combine a tandem effect with a confinement strategy to construct a hollow CuO@Ag nanoshell electrocatalyst with a well-defined porous structure to improve the *CO intermediate coverage on the catalyst surface. In CO electroreduction, in situ Raman spectroscopy shows that the introduction of Ag can not only promote the CO intermediate production but also improve the stability of Cu to capture the *CO intermediate due to a CO-tandem effect, and the fine-tuned hollowness degree and pore size of CuO@Ag create a spatially confined microenvironment for trapping CO as well as the enrichment of CO, which greatly facilitate subsequent C-C coupling for C product.

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  • Idiopathic pulmonary fibrosis (IPF) is a rare and difficult-to-diagnose lung disease, often leading to long wait times for diagnosis and treatment.
  • The study explores how social determinants of health (SDoH) like education, gender, and insurance coverage influence the time it takes to diagnose IPF and the likelihood of receiving antifibrotic treatment.
  • Findings suggest that individuals with higher education and better insurance get diagnosed faster, while males, Whites, and those with better insurance are more likely to receive treatment, highlighting socioeconomic disparities in IPF care.
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  • The study examines whether patients aged 50 and older with incidentally discovered covert cerebrovascular diseases (id-CCD) are prescribed statins, despite being at risk for future strokes.
  • Out of over 241,000 patients evaluated, 31.1% were found to have id-CCD, and more than half of them (53.5%) were not on statins prior to diagnosis.
  • Even after diagnosis, there was only a minor increase in statin prescription, suggesting that identifying id-CCD does not significantly impact statin treatment decisions in clinical practice.
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Reoperation is the most significant complication following any surgical procedure. Developing machine learning methods that predict the need for reoperation will allow for improved shared surgical decision making and patient-specific and preoperative optimisation. Yet, no precise machine learning models have been published to perform well in predicting the need for reoperation within 30 days following primary total shoulder arthroplasty (TSA).

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  • The study examined how pitting corrosion affects L245 carbon steel in a medium with sulfate-reducing bacteria (SRB).
  • It found that corrosion is tied to the growth of biofilms and other product layers on the steel surface.
  • Over time, while overall corrosion slowed down, the bacteria helped to increase and spread the damage, leading to more pitting corrosion on the steel.
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Background: A wealth of clinically relevant information is only obtainable within unstructured clinical narratives, leading to great interest in clinical natural language processing (NLP). While a multitude of approaches to NLP exist, current algorithm development approaches have limitations that can slow the development process. These limitations are exacerbated when the task is emergent, as is the case currently for NLP extraction of signs and symptoms of COVID-19 and postacute sequelae of SARS-CoV-2 infection (PASC).

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  • * Cases of ARD infections have been reported in China, highlighting the risk of spreading these resistant strains among humans, complicating diagnosis and treatment.
  • * Experts from various medical fields collaborated to create consensus guidelines, aiming to enhance awareness of dermatophyte drug resistance and provide practical recommendations for diagnosis, treatment, prevention, and control of ARD infections.
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Background: The Observational Medical Outcomes Partnership (OMOP) common data model (CDM) that is developed and maintained by the Observational Health Data Sciences and Informatics (OHDSI) community supports large scale cancer research by enabling distributed network analysis. As the number of studies using the OMOP CDM for cancer research increases, there is a growing need for an overview of the scope of cancer research that relies on the OMOP CDM ecosystem.

Objectives: In this study, we present a comprehensive review of the adoption of the OMOP CDM for cancer research and offer some insights on opportunities in leveraging the OMOP CDM ecosystem for advancing cancer research.

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Background: Regulatory T cells (Tregs) are reduced in the peripheral blood and skin lesions of patients with bullous pemphigoid (BP). Low-dose interleukin 2 (IL-2) therapy can stimulate Tregs specifically, suggesting potential for the treatment of BP.

Objective: To evaluate the response to low-dose IL-2 therapy in the treatment of moderate-to-severe BP.

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  • * Researchers used various techniques, such as bioinformatics and Western blotting, to show that CDH5 levels are higher in gastric cancer tissues and correlate with worse patient outcomes.
  • * The findings suggest that Notch1 activates CDH5, promoting cancer cell proliferation and migration, so targeting this pathway could offer new treatment options for gastric cancer.
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  • Traditional biomedical AI models are limited in flexibility and can't easily use comprehensive information for real-world applications.
  • BiomedGPT is introduced as an open-source, lightweight generalist AI model capable of performing various biomedical tasks, achieving top results in many experiments.
  • It shows strong performance in tasks like radiology question answering, report generation, and summarization, indicating that training with diverse data can enhance the utility of biomedical AI in diagnosis and workflow efficiency.
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Background: Despite their growing use in health care, pretrained language models (PLMs) often lack clinical relevance due to insufficient domain expertise and poor interpretability. A key strategy to overcome these challenges is integrating external knowledge into PLMs, enhancing their adaptability and clinical usefulness. Current biomedical knowledge graphs like UMLS (Unified Medical Language System), SNOMED CT (Systematized Medical Nomenclature for Medicine-Clinical Terminology), and HPO (Human Phenotype Ontology), while comprehensive, fail to effectively connect general biomedical knowledge with physician insights.

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Background: There are marked sex differences in the prevalence and severity of asthma, both during childhood and adulthood. There is a relative lack of comprehensive studies exploring sexdifferences in pediatric asthma cohorts.

Objective: To identify the most relevant sex differences in sociodemographic, clinical, and laboratory variables in a well-characterized large pediatric asthma cohort.

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Background: Diabetic nephropathy (DN) is a major microvascular complication of diabetes and has become the leading cause of end-stage renal disease worldwide. A considerable number of DN patients have experienced irreversible end-stage renal disease progression due to the inability to diagnose the disease early. Therefore, reliable biomarkers that are helpful for early diagnosis and treatment are identified.

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Integrating machine learning (ML) models into clinical practice presents a challenge of maintaining their efficacy over time. While existing literature offers valuable strategies for detecting declining model performance, there is a need to document the broader challenges and solutions associated with the real-world development and integration of model monitoring solutions. This work details the development and use of a platform for monitoring the performance of a production-level ML model operating in Mayo Clinic.

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  • The increasing volume of patient portal messages (PPMs) in healthcare demands efficient triage solutions, and AI can help improve the workflow by identifying primary patient concerns to enhance care quality.
  • A proposed fusion framework combines various pretrained language models with Convolutional Neural Networks for accurate detection of these concerns, tested against traditional and modern machine learning approaches.
  • Results indicate that BERT-based models, particularly the fusion model, outperform others in accuracy (77.67%) and F1 score (74.37%), demonstrating the effectiveness of this method in managing PPMs and ensuring timely patient care.
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  • A study investigated the prevalence of vestibular disorders in patients with COVID-19 compared to those without the virus using data from the National COVID Cohort Collaborative database.
  • Results showed that individuals with COVID-19 were significantly more likely to experience vestibular disorders, with the highest risk associated with the omicron 23A variant (OR of 8.80).
  • The findings underscore the need for further research on the long-term effects of vestibular disorders in COVID-19 patients and implications for patient counseling.
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  • Chromoblastomycosis (CBM) is a chronic fungal skin infection caused mainly by dematiaceous fungi in tropical and subtropical regions, leading to plaques and scarring after healing.
  • Diagnosis can be enhanced with traditional methods like microscopy and culture, along with advanced techniques like dermatoscopy and reflectance confocal microscopy.
  • A case study from Guangdong shows successful management of CBM using a combination of itraconazole, terbinafine, and imiquimod, emphasizing new treatment strategies for this difficult condition.
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  • Chromoblastomycosis (CMB) is a tough fungal skin infection with few treatment options and high relapse rates, highlighting the need for new therapies.
  • The study explored the effectiveness of a combined treatment using potassium iodide (KI) and Methylene Blue (MB) with light therapy to combat the fungus Fonsecaea monophora, both in lab experiments and in mice.
  • Results showed that KI improved the effectiveness of MB-mediated light therapy, producing more harmful agents against the fungus and suggesting this combination could be a promising therapy for CMB.
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