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Roles and potential of Large language models in healthcare: A comprehensive review 大型语言模型在医疗保健中的作用和潜力:一个全面的综述。
IF 4.4 3区 医学
Biomedical Journal Pub Date : 2025-10-01 DOI: 10.1016/j.bj.2025.100868
Chihung Lin , Chang-Fu Kuo
{"title":"Roles and potential of Large language models in healthcare: A comprehensive review","authors":"Chihung Lin ,&nbsp;Chang-Fu Kuo","doi":"10.1016/j.bj.2025.100868","DOIUrl":"10.1016/j.bj.2025.100868","url":null,"abstract":"<div><div>Large Language Models (LLMs) are capable of transforming healthcare by demonstrating remarkable capabilities in language understanding and generation. They have matched or surpassed human performance in standardized medical examinations and assisted in diagnostics across specialties like dermatology, radiology, and ophthalmology. LLMs can enhance patient education by providing accurate, readable, and empathetic responses, and they can streamline clinical workflows through efficient information extraction from unstructured data such as clinical notes. Integrating LLM into clinical practice involves user interface design, clinician training, and effective collaboration between Artificial Intelligence (AI) systems and healthcare professionals. Users must possess a solid understanding of generative AI and domain knowledge to assess the generated content critically. Ethical considerations to ensure patient privacy, data security, mitigating biases, and maintaining transparency are critical for responsible deployment. Future directions for LLMs in healthcare include interdisciplinary collaboration, developing new benchmarks that incorporate safety and ethical measures, advancing multimodal LLMs that integrate text and imaging data, creating LLM-based medical agents capable of complex decision-making, addressing underrepresented specialties like rare diseases, and integrating LLMs with robotic systems to enhance precision in procedures. Emphasizing patient safety, ethical integrity, and human-centered implementation is essential for maximizing the benefits of LLMs, while mitigating potential risks, thereby helping to ensure that these AI tools enhance rather than replace human expertise and compassion in healthcare.</div></div>","PeriodicalId":8934,"journal":{"name":"Biomedical Journal","volume":"48 5","pages":"Article 100868"},"PeriodicalIF":4.4,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143971048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correlation of SALL1 with CEUS parameters and immune escape in thyroid carcinoma 甲状腺癌中SALL1与超声造影参数及免疫逃逸的相关性
IF 4.4 3区 医学
Biomedical Journal Pub Date : 2025-10-01 DOI: 10.1016/j.bj.2025.100829
Xia Li, Shuang Xu, Liuwei Hao, Xiaoning Zhou
{"title":"Correlation of SALL1 with CEUS parameters and immune escape in thyroid carcinoma","authors":"Xia Li,&nbsp;Shuang Xu,&nbsp;Liuwei Hao,&nbsp;Xiaoning Zhou","doi":"10.1016/j.bj.2025.100829","DOIUrl":"10.1016/j.bj.2025.100829","url":null,"abstract":"<div><h3>Background</h3><div>Contrast-enhanced ultrasonography (CEUS) is widely used to diagnose thyroid carcinoma (TC), though its accuracy in differentiating malignant nodules is limited. We identified TC-associated differentially expressed genes (DEGs) and examined the impact of these genes, particularly SALL1, on immune escape mechanisms within TC cells.</div></div><div><h3>Methods and materials</h3><div>DEG analysis was conducted on GSE65144 dataset to identify genes associated with TC. Functional enrichment analysis focused on genes related to pituitary function, with SALL1 identified as a key candidate. Clinical data from TC cases were used to assess the diagnostic impact of combining SALL1 expression with CEUS parameters. Additionally, TCP-1 cell lines with manipulated SALL1 expression were used to investigate cellular behaviors <em>in vitro</em>, while <em>in vivo</em> studies in nude mice evaluated tumor growth and immune microenvironment changes linked to SALL1 expression.</div></div><div><h3>Results</h3><div>We identified 152 DEGs, including NKX2-1, CDH1, and SALL1, which are associated with pituitary function. TIMER database analysis revealed SALL1's correlation with immune cell infiltration in TC. Clinically, SALL1 was downregulated in TC and showed a significant correlation with CEUS parameters, and combining SALL1 expression with CEUS markedly enhanced diagnostic accuracy for TC. <em>In vitro</em>, low SALL1 expression increased cell proliferation, TC progression, and immune escape, whereas upregulation led to reduced cell activity, increased apoptosis, and activation of autophagy and pyroptosis. <em>In vivo</em>, nude mouse models demonstrated that silencing SALL1 enhanced tumor growth, while overexpression inhibited tumor progression and modulated immune microenvironment.</div></div><div><h3>Conclusions</h3><div>Combining SALL1 with CEUS improves TC diagnostic accuracy, highlighting SALL1 as a potential biomarker in TC.</div></div>","PeriodicalId":8934,"journal":{"name":"Biomedical Journal","volume":"48 5","pages":"Article 100829"},"PeriodicalIF":4.4,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145306835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Long Non-Coding RNAs as Modulators of Metabolic Reprogramming for Endogenous Heart Regeneration: Mechanisms and Therapeutic Potential. 长链非编码rna作为内源性心脏再生代谢重编程的调节剂:机制和治疗潜力。
IF 4.4 3区 医学
Biomedical Journal Pub Date : 2025-09-15 DOI: 10.1016/j.bj.2025.100914
Xueping Wu, Yehui Lv, Zhihong Li, Zhifang Yang
{"title":"Long Non-Coding RNAs as Modulators of Metabolic Reprogramming for Endogenous Heart Regeneration: Mechanisms and Therapeutic Potential.","authors":"Xueping Wu, Yehui Lv, Zhihong Li, Zhifang Yang","doi":"10.1016/j.bj.2025.100914","DOIUrl":"https://doi.org/10.1016/j.bj.2025.100914","url":null,"abstract":"<p><p>Myocardial infarction (MI) is one of the leading causes of death worldwide, with its high incidence and mortality posing a significant threat to human health. Despite some progress in the treatment of myocardial infarction, mortality rates remain alarmingly high. Adult mammals have limited myocardial regenerative capacity, and extensive cell death caused by myocardial ischemia severely impairs cardiac function, leading to heart failure or death. In contrast, neonatal myocardium possesses a robust regenerative ability, which gradually diminishes after birth. The loss of cardiomyocyte regenerative capacity is often accompanied by a shift in energy metabolism-from reliance on glucose (glycolysis) to fatty acid oxidation. This metabolic reprogramming significantly impacts CM proliferation. Long non-coding RNAs (lncRNAs) orchestrate cardiac regeneration through epigenetic control (e.g., Bvht/PRC2-mediated silencing), metabolic reprogramming (e.g., GATA6-AS1 suppression of FAO), and miRNA sponging (e.g., CAREL sequestration of miR-296). However, our understanding of the metabolic determinants and pathways that promote myocardial regeneration after myocardial infarction is still insufficient. This review investigates the interplay between lncRNAs and metabolic reprogramming in cardiovascular function, aiming to identify novel therapeutic targets and strategies to enhance myocardial regeneration post-MI.</p>","PeriodicalId":8934,"journal":{"name":"Biomedical Journal","volume":" ","pages":"100914"},"PeriodicalIF":4.4,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neuropeptide FF Receptor 2 Overexpression Aggravates Lipid Accumulation and Metabolic Dysfunction in Mice with Diet-Induced Metabolic Stress. 神经肽FF受体2过表达加重饮食诱导代谢应激小鼠的脂质积累和代谢功能障碍。
IF 4.4 3区 医学
Biomedical Journal Pub Date : 2025-09-12 DOI: 10.1016/j.bj.2025.100913
Hsiang-Ting Hsu, Chun-Chun Hsu, Yun-Jou Liao, Hui-Yun Li, Yao-Chang Chiang, Ya-Tin Lin
{"title":"Neuropeptide FF Receptor 2 Overexpression Aggravates Lipid Accumulation and Metabolic Dysfunction in Mice with Diet-Induced Metabolic Stress.","authors":"Hsiang-Ting Hsu, Chun-Chun Hsu, Yun-Jou Liao, Hui-Yun Li, Yao-Chang Chiang, Ya-Tin Lin","doi":"10.1016/j.bj.2025.100913","DOIUrl":"https://doi.org/10.1016/j.bj.2025.100913","url":null,"abstract":"<p><strong>Background: </strong>Obesity is a major contributor to metabolic dysfunction and is driven by complex genetic, behavioral, and physiological factors. Neuropeptide FF receptor 2 (NPFFR2) has been implicated in regulating feeding behavior, as well as energy and glucose homeostasis. However, its precise role in obesity and metabolic disorders remains unclear. This study aimed to investigate the systemic role of NPFFR2 in obesity-induced metabolic dysfunction.</p><p><strong>Material and methods: </strong>The role of NPFFR2 was examined using wild-type and Npffr2-overexpressing transgenic mice subjected to 15 weeks of high-fat high-sucrose diet to induce obesity. Systemic, tissue-specific, and serum metabolic profiles were analyzed, with a particular focus on lipid abnormalities in the liver and adipose tissues.</p><p><strong>Results: </strong>Npffr2 overexpression exacerbated obesity-induced metabolic dysfunction, including accelerated body weight gain, impaired glucose homeostasis, altered fat composition, adipose tissue inflammation, and dysregulated lipid metabolism. In addition, hypertrophy of both hepatocytes and adipocytes was aggravated in Npffr2-overexpressing mice, collectively contributing to excessive energy storage and reduced metabolic efficiency.</p><p><strong>Conclusions: </strong>These findings suggest that NPFFR2 may contribute to the regulation of energy balance and lipid metabolism, potentially via central regulatory pathways. These findings highlight the need for mechanistic studies to clarify its region-specific roles and therapeutic potential in metabolic disorders.</p>","PeriodicalId":8934,"journal":{"name":"Biomedical Journal","volume":" ","pages":"100913"},"PeriodicalIF":4.4,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145063525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multidisciplinary Team Approach to Pelvic Floor Disorders: A Systematic Review. 骨盆底疾病的多学科团队方法:系统回顾。
IF 4.4 3区 医学
Biomedical Journal Pub Date : 2025-09-08 DOI: 10.1016/j.bj.2025.100912
Tzong-Yun Tsai, Shu-Huan Huang, Chun-Kai Liao, Kun-Yu Tsai, Pao-Shiu Hsieh, Sum-Fu Chiang, Osamu Hiraike
{"title":"Multidisciplinary Team Approach to Pelvic Floor Disorders: A Systematic Review.","authors":"Tzong-Yun Tsai, Shu-Huan Huang, Chun-Kai Liao, Kun-Yu Tsai, Pao-Shiu Hsieh, Sum-Fu Chiang, Osamu Hiraike","doi":"10.1016/j.bj.2025.100912","DOIUrl":"https://doi.org/10.1016/j.bj.2025.100912","url":null,"abstract":"<p><strong>Background: </strong>Pelvic floor disorders (PFDs) severely and negatively impact on quality of life, affecting physical, psychological, and social well-being. Historically, PFDs have been managed within single-specialty frameworks, yet the complexity of these conditions often necessitates a comprehensive, multidisciplinary team (MDT) approach. This systematic review assesses the effectiveness of MDT strategies in improving outcomes for individuals with PFDs, aiming to identify the benefits and potential advantages of integrated, multi-specialty care for these complex conditions.</p><p><strong>Methods: </strong>Following PRISMA guidelines, a systematic search of PubMed, EMBASE, and Cochrane CENTRAL was conducted through September 25, 2024. Inclusion criteria were studies of adult patients with PFDs in which MDT protocols were integrated for diagnosis, treatment, or rehabilitation. Eligible studies included comparisons between MDT and non-MDT care, as well as studies without a comparison group. Outcomes of interest were patient-reported outcomes, therapy adherence, complication rates, and recurrence rates. Three independent reviewers screened titles and abstracts for eligibility, with discrepancies resolved through discussion to reach a consensus. Data extraction was independently performed by two reviewers, and any discrepancies were adjudicated by a third reviewer.</p><p><strong>Results: </strong>In total, 24 studies conducted across various countries were included, comprising 21 retrospective cohort studies, 2 prospective cohort studies, and 1 randomized controlled trial (RCT), with sample sizes ranging from 36 to 3,600 patients. The findings generally indicate favorable outcomes with an MDT approach, including enhanced surgical results, greater symptom relief, reduced recurrence and complication rates following surgical interventions, improved treatment adherence, and high patient satisfaction.</p><p><strong>Conclusions: </strong>An MDT approach offers benefits for PFD management, improving patient-reported outcomes, treatment adherence, and quality of life. This review supports the broader adoption of MDT approaches for comprehensive PFD management. Further research is warranted to confirm long-term effectiveness and standardize MDT protocols.</p>","PeriodicalId":8934,"journal":{"name":"Biomedical Journal","volume":" ","pages":"100912"},"PeriodicalIF":4.4,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145032690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Role of PAI-1 in the progression and treatment resistance of non-small cell lung cancer. PAI-1在非小细胞肺癌进展及治疗耐药中的作用。
IF 4.4 3区 医学
Biomedical Journal Pub Date : 2025-09-05 DOI: 10.1016/j.bj.2025.100911
Takeshi Masuda, Noboru Hattori
{"title":"Role of PAI-1 in the progression and treatment resistance of non-small cell lung cancer.","authors":"Takeshi Masuda, Noboru Hattori","doi":"10.1016/j.bj.2025.100911","DOIUrl":"https://doi.org/10.1016/j.bj.2025.100911","url":null,"abstract":"<p><strong>Background: </strong>Lung cancer is the leading cause of cancer-related mortality worldwide. Although immune checkpoint inhibitors (ICIs), chemotherapy, and molecular targeted therapies have improved survival rates, therapeutic resistance remains a major barrier to curative outcomes. Recently, plasminogen activator inhibitor-1 (PAI-1) has been implicated in lung cancer progression and treatment resistance.</p><p><strong>Material and methods: </strong>This review summarizes the recent evidence from preclinical and clinical studies on the Role of PAI-1 in the progression and treatment resistance in lung cancer, focusing on its contribution to tumor aggressiveness and resistance to therapy. As limited evidence is available regarding its role in small cell lung cancer, this review focuses on the findings reported to date for non-small cell lung cancer (NSCLC).</p><p><strong>Results: </strong>PAI-1 promoted tumor invasion, angiogenesis, and epithelial-mesenchymal transition (EMT), thereby facilitating cancer progression. Elevated PAI-1 expression in tumor tissues and plasma is correlated with advanced disease stages and poor prognosis. Genetic polymorphisms such as A15T, which affect PAI-1 stability, are also associated with unfavorable outcomes. PAI-1 contributes to radiotherapy resistance through the hypoxia-induced upregulation of AKT/ERK signaling, chemotherapy by activating cancer-associated fibroblasts, and targeted therapies via integrin-mediated EMT. Moreover, it enhances immune evasion by promoting programmed cell death-ligand 1 expression and creating an immunosuppressive tumor microenvironment.</p><p><strong>Conclusions: </strong>PAI-1 is a key regulator of tumor progression and therapeutic resistance in NSCLC. Targeting PAI-1 may offer a novel strategy to overcome resistance to multiple treatment modalities, and future research should focus on developing PAI-1-based biomarkers and therapeutic combinations for both NSCLC.</p>","PeriodicalId":8934,"journal":{"name":"Biomedical Journal","volume":" ","pages":"100911"},"PeriodicalIF":4.4,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145013804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Macrophages in the male genital tract. 男性生殖道中的巨噬细胞。
IF 4.4 3区 医学
Biomedical Journal Pub Date : 2025-08-25 DOI: 10.1016/j.bj.2025.100910
María Sol Martinez, Rubén Darío Motrich
{"title":"Macrophages in the male genital tract.","authors":"María Sol Martinez, Rubén Darío Motrich","doi":"10.1016/j.bj.2025.100910","DOIUrl":"https://doi.org/10.1016/j.bj.2025.100910","url":null,"abstract":"<p><p>Macrophages play essential roles in maintaining immune defence and tissue homeostasis within the male genital tract, which is essential for reproductive health. Since their initial discovery in the testes, macrophages have been established as highly adaptable immune cells that perform diverse functions ranging from immune surveillance to tissue repair. In the testes, macrophages play a crucial role in maintaining immune privilege and tissue homeostasis by regulating inflammatory responses and supporting steroidogenesis and spermatogenesis via intricate crosstalk with Leydig and Sertoli cells. In the epididymis, macrophages maintain a balance between immune tolerance and pathogen defence, ensuring the integrity of maturing sperm. Moreover, recent evidence has begun to reveal the complex and unique characteristics of prostate tissue-resident macrophages and their roles in homeostasis and disease. Notably, these cells exhibit dual functions in pathological conditions, contributing both to chronic inflammation in prostatitis and to the modulation of tumour dynamics in prostate cancer. Remarkably, dysregulation of macrophage function has been implicated in several prevalent male urological diseases and male infertility. This review integrates historical perspectives with recent advances in the immunobiology of macrophages in the male genital tract, highlighting their role as pivotal regulators of reproductive tract homeostasis.</p>","PeriodicalId":8934,"journal":{"name":"Biomedical Journal","volume":" ","pages":"100910"},"PeriodicalIF":4.4,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144941124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In vitro axotomy models regulated by ROCK inhibitor for studying neuroregeneration and growth cone morphology. ROCK抑制剂调控的体外轴切模型研究神经再生和生长锥形态。
IF 4.4 3区 医学
Biomedical Journal Pub Date : 2025-08-23 DOI: 10.1016/j.bj.2025.100908
Fang Fang, Dan Xu, Shuang Dou, Shaoqin Zhan, Yingjuan Fan, Yuehong Zhuang, Weihong Xu, Zixing Xu
{"title":"In vitro axotomy models regulated by ROCK inhibitor for studying neuroregeneration and growth cone morphology.","authors":"Fang Fang, Dan Xu, Shuang Dou, Shaoqin Zhan, Yingjuan Fan, Yuehong Zhuang, Weihong Xu, Zixing Xu","doi":"10.1016/j.bj.2025.100908","DOIUrl":"https://doi.org/10.1016/j.bj.2025.100908","url":null,"abstract":"<p><p>Current complex models of human nerve injury hinder the identification of cellular responses and the screening of therapies. As a solution, simpler in vitro axotomy models utilizing embryonic rat dorsal root ganglion (DRG) and spinal motor neuron aggregates (SMNAs) have been introduced. To ensure model consistency, DRG or SMNA was placed in a cross-shaped channel for axotomy, performed microscopically with a razor. Afterward, the expression of four regeneration-associated genes (RAGs) and regulatory genes was assessed, along with quantifying axon outgrowth and growth cone changes in response to ROCK inhibitor Y27632. Additionally, a mouse perforator flap model was created to evaluate Y27632's effect on DRG axon reinnervation. It turned out that complete and consistent severance of the axons from the DRGs and SMNAs could be easily achieved, with significantly increased expressions of the four RAGs, Rho A and ROCK2. Y27632 could significantly augment axon regeneration in DRGs with axotomy in vitro and in the flap model but showed no impact on DRG axon outgrowth without axotomy. In comparison, Y27632 could slightly increase axon outgrowth from SMNAs without axotomy but drastically boost the axon regeneration from SMNAs with axotomy. The growth cones of DRGs and SMNAs drastically shrunk after axotomy, which could be significantly expanded by Y27632. In contrast, no impact on the growth cones of DRG and SMNAs without axotomy by Y27632 could be observed. The novel in vitro axotomy models regulated by ROCK inhibitors can be used to optimize studies on peripheral nerve injury-related drug screening by observing neuroregeneration and growth cone changes.</p>","PeriodicalId":8934,"journal":{"name":"Biomedical Journal","volume":" ","pages":"100908"},"PeriodicalIF":4.4,"publicationDate":"2025-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144941099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Occlusal disharmony attenuates inhibitory synaptic transmission in the medial prefrontal cortex and contributes to anxiety. 咬合不和谐减弱内侧前额叶皮层的抑制性突触传递并导致焦虑。
IF 4.4 3区 医学
Biomedical Journal Pub Date : 2025-08-21 DOI: 10.1016/j.bj.2025.100909
Juan Li, Jiayao Zhang, Ming Xu, Qi Zhang, Weicai Liu
{"title":"Occlusal disharmony attenuates inhibitory synaptic transmission in the medial prefrontal cortex and contributes to anxiety.","authors":"Juan Li, Jiayao Zhang, Ming Xu, Qi Zhang, Weicai Liu","doi":"10.1016/j.bj.2025.100909","DOIUrl":"https://doi.org/10.1016/j.bj.2025.100909","url":null,"abstract":"<p><strong>Background: </strong>It has been well-validated that Occlusal Disharmony (OD) induces negative emotions, especially anxiety. While it leads to considerable frustration for both doctors and patients, its underlying mechanisms remain unclear, and effective treatment has been lacking. The present study aims to explore the pathological mechanisms of OD induced anxiety and to find a straightforward yet effective treatment strategy for this ostensibly intricate clinical phenomenon.</p><p><strong>Material and methods: </strong>OD mice were established through binding a metal tube to their right mandibular incisor. Then, the mental state of the mice was assessed by various behavioral experiments. Additionally, the mood of OD mice was also evaluated similarly before and after the injection of mifepristone. Furthermore, neuronal excitability in the mPFC was examined by immunofluorescence and electrophysiology, with the potential mechanisms investigated through Western blotting.</p><p><strong>Results: </strong>OD mice exhibited anxiety-like behavior, and the administration of mifepristone, an anxiolytic drug, could alleviate it. Subsequently, an increase in n[1]euronal excitability was observed, accompanied by a reduction in the frequency and amplitude of miniature inhibitory postsynaptic currents (mIPSCs) in the medial prefrontal cortex (mPFC). In addition, the expression of erb-b2 receptor tyrosine kinase 4 (ERBB4) and neuregulin 1 (NRG1), proteins associated with inhibitory neurotransmitter release, were found to be significantly downregulated in the mPFC.</p><p><strong>Conclusion: </strong>OD attenuates GABAergic synaptic transmission in the mPFC, which may be the neural mechanism of anxiety caused by OD. But this phenomenon could be effectively alleviated by anti-anxiety treatment.</p>","PeriodicalId":8934,"journal":{"name":"Biomedical Journal","volume":" ","pages":"100909"},"PeriodicalIF":4.4,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144941086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamic Regulation of RNA m6A Methylation in the Ribonucleoprotein Complexes in Apicomplexan and Kinetoplastid Parasites. 顶复合体和着丝体寄生虫核糖核蛋白复合物中RNA m6A甲基化的动态调控。
IF 4.4 3区 医学
Biomedical Journal Pub Date : 2025-08-20 DOI: 10.1016/j.bj.2025.100903
Kaitlin Klotz, Carli Camporeale, Kausik Chakrabarti
{"title":"Dynamic Regulation of RNA m<sup>6</sup>A Methylation in the Ribonucleoprotein Complexes in Apicomplexan and Kinetoplastid Parasites.","authors":"Kaitlin Klotz, Carli Camporeale, Kausik Chakrabarti","doi":"10.1016/j.bj.2025.100903","DOIUrl":"https://doi.org/10.1016/j.bj.2025.100903","url":null,"abstract":"<p><p>m<sup>6</sup>A, or N<sup>6</sup>-methyladenosine, is a the most abundant modification of mRNA transcripts. These modifications are known to influence mRNA transcript stability, transcription, translation, alternative splicing and decay, with undoubtedly more functions to be discovered. In this review, we explored the roles of m<sup>6</sup>A modifications in two groups of protozoan parasites: the apicomplexans, which include Plasmodium and Toxoplasma species, and kinetoplastids, which include Trypanosoma and Leishmania species. We also compared the key players of m<sup>6</sup>A epitranscriptomic machinery in creating, interpreting, and removing m<sup>6</sup>A modifications between these parasitic protists as well as a discussion of how m<sup>6</sup>A modifications facilitate parasite survival through features specific to apicomplexans and kinetoplastids. Beyond parasite epitranscriptomes, this review compares m<sup>6</sup>A dynamics in host and vector species (humans, flies and mosquitoes), highlighting coevolutionary adaptations. Strikingly, both the parasites and their vectors lack canonical m<sup>6</sup>A demethylases, implying a largely irreversible, streamlined m<sup>6</sup>A landscape fine-tuned for synchronized gene regulation. Overall, a mechanistic understanding is emerging of how m<sup>6</sup>A-modified RNAs and their binding proteins orchestrate RNA processing, translation, and turnover in parasitic protists, revealing an evolutionarily tuned epitranscriptomic system.</p>","PeriodicalId":8934,"journal":{"name":"Biomedical Journal","volume":" ","pages":"100903"},"PeriodicalIF":4.4,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144941112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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