bench to bedside

长凳到床边
  • 文章类型: Journal Article
    已发现严格坚持传统男性规范与许多健康结果有关。本特刊旨在汇集生物医学和心理学研究人员,以产生对整合科学方法的兴趣,从而促进男性和男孩的健康。在这篇客座社论中,作者首先简要回顾了导致健康性别差异的一些关键生物学因素。社评接着介绍本期特刊收录的十篇文章,重点关注父辈对健康相关行为的影响;癌症;生殖和性健康;饮食失调;和健康相关的信念。最终,通过继续跨学科工作,那些对男性和男性心理研究感兴趣的人可以帮助生物医学研究人员促进更好的健康结果。
    Rigid adherence to traditional male norms has been found to be associated with many health outcomes. This special issue aims to bring together biomedical and psychological researchers as a means to generate interest in integrating scientific approaches so as to advance the health of men and boys. In this guest editorial, the authors first provide a brief review of some key biological factors that contribute to sex differences in health. The editorial then introduces the ten articles included in this special issue, which focus on paternal influence on health-related behaviors; cancer; reproductive and sexual health; eating disorders; and health-related beliefs. Ultimately, by continuing to work across disciplines, those interested in the psychological study of men and masculinities can assist biomedical researchers in promoting better health outcomes.
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  • 文章类型: Editorial
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  • 文章类型: Journal Article
    目的:左心室辅助装置(lvad)是严重心力衰竭患者的既定治疗方法,可降低射血分数(HF)并降低死亡率。然而,HF患者具有室性心动过速(VT)的重要底物,并且室性心动过速本身可能是致心律失常的。我们调查了与潜在病因相关的lvad患者的VT机制,并提供了这些HF患者的计算机模拟和离体消融数据。方法和结果:我们回顾性分析了17例VT和lvad患者的侵入性电生理(EP)研究。室性心动过速的机制是通过电解剖来确定的,夹带和激活时间映射。70%的患者存在缺血性心肌病。VT起源于lvad区域>30%。1/6起源于lvad区的室性心动过速患者在lvad植入前有发作,而来自其他区域的室性心动过速的7/11患者在植入前有发作。射频(RF)消融损伤的数量和时间在源自Ivad或其他区域的VT之间没有差异。室性心动过速源自lvad区域的患者在消融时的长期室性心动过速为50%,如果在其他区域进行消融,则为64%。为了有可能预先缓解lvad植入患者的lvad相关性室性心动过速,我们获得了计算机衍生的数据,并针对心室心肌进行了离体实验。在测试的设置中,25W持续30s是安全的,并且与最佳病变特征相关。结论:接受VT消融术的lvad患者中有很大一部分表现出起源于设备附近的心律失常,复发率很高。基于计算机模拟和离体数据,我们建议对有lvad相关性室性心动过速风险的部分患者进行个体化射频消融.
    Aims: Left-ventricular-assist-devices (lvad) are an established treatment for patients with severe heart failure with reduced ejection fraction (HF) and reduce mortality. However, HF patients have significant substrate for ventricular tachycardia (VT) and the lvad itself might be pro-arrhythmogenic. We investigated the mechanism of VT in lvad-patients in relation to the underlying etiology and provide in silico and ex-vivo data for ablation in these HF patients. Methods and Results: We retrospectively analyzed invasive electrophysiological (EP) studies of 17 patients with VT and lvad. The mechanism of VT was determined using electroanatomical, entrainment and activation time mapping. Ischemic cardiomyopathy was present in 70% of patients. VT originated from the lvad region in >30%. 1/6 patients with VT originating from the lvad region had episodes before lvad implantation, while 7/11 patients with VT originating from other regions had episodes before implantation. Number and time of radiofrequency (RF)-ablation lesions were not different between VTs originating from the lvad or other regions. Long-term freedom from VT was 50% upon ablation in patients with VT originating from the lvad region and 64% if ablation was conducted in other regions. To potentially preemptively mitigate lvad related VT in patients undergoing lvad implantation, we obtained in silico derived data and performed ex-vivo experiments targeting ventricular myocardium. Of the tested settings, application of 25 W for 30 s was safe and associated with optimal lesion characteristics. Conclusion: A significant percentage of patients with lvad undergoing VT ablation exhibit arrhythmia originating in close vicinity to the device and recurrence rates are high. Based on in silico and ex-vivo data, we propose individualized RF-ablation in selected patients at risk for/with lvad related VT.
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  • 文章类型: English Abstract
    The idea of translational medicine from \"laboratory to bedside\" has become more and more popular. The main purpose of translational medicine is to promote basic research to solve practical clinical problems and improve the level of clinical treatment. It is thus a whole new medical paradigm. However, the principle of \"bench to bedside\" still has some obvious deficiencies in the \"bench\" ring, whereas the subject of acupuncture and moxibustion is carried out in the \"bench\" ring relatively more systematic, but also does not achieve bench to bedside regression well. Nevertheless, as a bridge between basic research and clinical practice of acupuncture and moxibustion, translational medicine has constructed a data fusion channel between them. Our basic researchers should cooperate closely with clinical experts, exchange ideas, collide sparks of wisdom, and promote the leap-forward development of acupuncture and moxibustion.
    转化医学实现从“实验室到病床边”的转化理念已日益深入人心,其主要目的是为了推动基础研究能够切实解决临床实际问题,提高临床医学治疗水平,是一种全新的医学范式。转化医学的“bench to bedside”原则在中医药领域的“bench”环还存在明显不足。而针灸学科却是在bench环中开展的相对较为系统的,但针灸同样并没有很好地实现“bench to bedside”的回归。尽管如此,转化医学作为针灸基础研究与临床实践之间的桥梁,建立了它们之间的数据融合通道。我们的基础研究工作者应与临床专家密切合作,交流思想,碰撞智慧的火花,推动针灸的跨越式发展。.
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  • 文章类型: Review
    为了研究精神疾病和健康,在过去,研究人员经常将其复杂性分解为单个子系统(例如,基因组学,转录组学,蛋白质组学,临床数据),并独立探索成分。高通量测序的技术进步和成本的降低导致了数据生成的空前增加。此外,多年来,越来越清楚的是,这些子系统并不是孤立地行动,而是相互作用以驱动精神疾病和健康。因此,现在对各个子系统进行联合分析,以促进对健康和疾病的潜在生物学复杂性的全面理解。补充不断增加的数据可用性,当前的研究旨在开发新的方法,可以有效地结合信息丰富的多组学数据,以发现具有生物学意义的生物标志物进行诊断,治疗,和预后。然而,临床翻译的研究仍然具有挑战性。在这次审查中,我们总结了发现生物标志物的传统和最先进的统计和机器学习方法,诊断,以及通过整合多组学和临床数据预测结果和治疗反应。此外,我们描述了生物模型系统和计算机多组学模型设计在精神病学研究从实验室到床边的临床翻译中的作用。最后,我们讨论了当前的挑战,并探讨了多组学整合在未来精神病学研究中的应用。该评论提供了精神病学多组学领域的结构化概述和最新更新。
    To study mental illness and health, in the past researchers have often broken down their complexity into individual subsystems (e.g., genomics, transcriptomics, proteomics, clinical data) and explored the components independently. Technological advancements and decreasing costs of high throughput sequencing has led to an unprecedented increase in data generation. Furthermore, over the years it has become increasingly clear that these subsystems do not act in isolation but instead interact with each other to drive mental illness and health. Consequently, individual subsystems are now analysed jointly to promote a holistic understanding of the underlying biological complexity of health and disease. Complementing the increasing data availability, current research is geared towards developing novel methods that can efficiently combine the information rich multi-omics data to discover biologically meaningful biomarkers for diagnosis, treatment, and prognosis. However, clinical translation of the research is still challenging. In this review, we summarise conventional and state-of-the-art statistical and machine learning approaches for discovery of biomarker, diagnosis, as well as outcome and treatment response prediction through integrating multi-omics and clinical data. In addition, we describe the role of biological model systems and in silico multi-omics model designs in clinical translation of psychiatric research from bench to bedside. Finally, we discuss the current challenges and explore the application of multi-omics integration in future psychiatric research. The review provides a structured overview and latest updates in the field of multi-omics in psychiatry.
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  • 文章类型: Journal Article
    未经评估:进行这项范围审查是为了评估医师科学家的现状,包括与注册和保留相关的挑战,衡量成功,以及他们满意度的决定因素,所有这些都导致了医生科学家数量的减少,被恰当地称为医生科学家的“泄漏管道”。
    UNASSIGNED:来自三个数据库的总共2555份研究文件,viz.Scopus,WebofScience,和PubMed,被选中。根据Arksey和O\'Malle的5阶段框架,总共考虑了40份文件进行最终分析。
    UNASSIGNED:医疗机构应通过解决成功和满意度的各种感知参数来促进和维持注册。个人减员的挑战,监管,社会文化因素也需要解决。
    UNASIGNED:医疗机构应专注于建立有据可查的职业发展轨迹,并为职业发展做出规定,促进团队科学,培养导师,优先考虑具有同行评审出版物的研究生(PG)入学学生,并建立一个独立的职业发展办公室和指导医生科学家。同样重要的是解决促进保留和防止减员的因素,viz.成功的衡量标准和满意度的决定因素。其他措施包括在政府组织中建立一批医生科学家,促进医生-科学家与孵化中心和初创公司的合作,并增加了更多的强制性课程组件,重点是基于项目的培训。
    UNASSIGNED: This scoping review was undertaken to assess the current status of physician-scientists, including the challenges associated with their enrollment and retention, measures of success, and determinants of their satisfaction, all of which contribute to the dwindling numbers of physician-scientists aptly referred to as a \"leaking pipeline\" of physician-scientists.
    UNASSIGNED: A total of 2555 research documents from three databases, viz. Scopus, Web of Science, and PubMed, were selected. A total of 40 documents were considered for final analysis following the 5-stage framework of Arksey and O\'Malle.
    UNASSIGNED: Medical institutions should promote and sustain enrollments by addressing various perceived parameters of success and satisfaction. The challenge of attrition due to individual, regulatory, and sociocultural considerations also needs to be addressed.
    UNASSIGNED: Medical institutions should focus on establishing well-documented career tracks with provisions for career advancement, promotion of team science, raising mentors, giving preference to students with peer-reviewed publications for post graduate (PG) admissions, and establishing a separate office for career development and guidance for physician-scientist. It is equally important to address the factors which promote retention and prevent attrition, viz. measures of success and determinants of satisfaction. Additional measures include creating a cadre of physician-scientists in government organizations, fostering collaboration of physician-scientists with incubation centers and startups, and adding additional mandatory curriculum components focused on project-based training.
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  • 文章类型: Journal Article
    国家促进转化科学中心(NCATS)的任务是加快药物从发现到批准再到传播和实施的开发。南卡罗来纳医科大学和南卡罗来纳临床与转化研究所举办了NCATS资助的博士前T32培训补助金(TL1),重点是转化研究。博士(博士)学员在替补席上工作通常有有限的机会进行临床互动,以获得对其论文研究重点疾病的临床观点。为TL1学员提供一个机会,看看他们的研究如何转化为改善患者护理,我们开发了一个有指导的临床暴露体验,名为转化科学诊所。学员每周在与他们的基础科学研究相关的诊所度过一个学期,与患者和临床导师互动,并与他们的临床导师讨论与患者临床问题相关的最新文献。受训人员认为轮换是他们在博士前培训中获得的最有价值的经历之一。参与的临床导师也非常热情,并同意他们愿意再次指导类似的学员。
    The mission of the National Center for Advancing Translational Science (NCATS) is to speed the development of drugs from discovery to approval to dissemination and implementation. The Medical University of South Carolina and the South Carolina Clinical and Translational Research Institute host a NCATS funded predoctoral T32 training grant (TL1) with a focus on translational research. Doctoral (PhD) trainees working at the bench usually have limited opportunity for clinical interactions to gain a clinical perspective on the diseases that are the focus of their dissertation research. To provide TL1 trainees with an opportunity to see how their research could be translated into improved patient care, we developed a mentored clinical exposure experience named the Translational Sciences Clinic. Trainees spend one-half day a week in a clinic related to their basic science research for one semester interacting with patients and clinical mentors and discuss the most recent literature related to the patient\'s clinical problem with their clinical mentor. Trainees deemed the rotation to be one of the most rewarding experiences that they had as a part of their predoctoral training. Participating clinical mentors were also very enthusiastic and agreed that they would be willing to mentor similar trainees again.
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  • 文章类型: Editorial
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  • 文章类型: Journal Article
    Widespread antibiotic-resistant bacteria are threatening the arsenal of existing antibiotics. Not only are antibiotics less likely to be effective today, but their extensive use continues to drive the emergence of multidrug-resistant pathogens. A new-old antibacterial strategy with bacteriophages (phages) is under development, namely, phage therapy. Phages are targeted bacterial viruses with multiple antibacterial effector functions, which can reduce multidrug-resistant infections within the human body. This review summarizes recent phage therapy clinical trials and patient cases and outlines the fundamentals behind phage treatment strategies under development, mainly through bench-to-bedside approaches. We discuss the challenges that remain in phage therapy and the role of phages when combined with antibiotic therapy.
    This narrative review presents the current knowledge and latest findings regarding phage therapy. Relevant case reports and research articles available through the Scopus and PubMed databases are discussed.
    Although recent clinical data suggest the tolerability and, in some cases, efficacy of phage therapy, the clinical functionality still requires careful definition. The lack of well-controlled clinical trial data and complex regulatory frameworks have driven the most recent human data generation on a single-patient compassionate use basis. These cases often include the concomitant use of antibiotics, which makes it difficult to draw conclusions regarding the effectiveness of phages alone. However, human data support using antibiotics as phage potentiators and resistance breakers; thus, phage adjuvants are a promising avenue for near-term clinical development. Current knowledge gaps exist on the appropriate routes of administration, phage selection, frequency of administration, dosage, phage resistance, and pharmacokinetic and pharmacodynamic properties of the phages. In addition, we highlight that some phage therapies have mild adverse effects in patients.
    Although more translational research is needed before the clinical implementation is feasible, phage therapy may well be pivotal in safeguarding humans against antibiotic-resistant infections.
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  • 文章类型: Journal Article
    Metastatic castration-resistant prostate cancer (mCRPC) is a natural sequela in advanced prostate cancer following resistance to standard treatment regimes, where patients develop with rising PSA, bone pains, and high disease volume. Further palliative treatment is the need of the hour for ensuring disease control and quality of life. In recent times, many novel methods have been evolved for these patients. Endo-radioligand therapy with Lutetium 177 prostate-specific membrane antigen 617 (Lu-177 PSMA) based on the Theranostic concept has emerged as a promising tool among these. We present here the current status of Lu177-PSMA for mCRPC patient and future directions.
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