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Combined Effects of PC002 and Anticancer Drugs in Ewing's Sarcoma Cells PC002与抗癌药物对尤文氏肉瘤细胞的联合作用
Zhi-Jun Ning
Ewing's Sarcoma is a rare malignant tumor that grows in bones or nearby soft tissues. Current treatment focuses on chemotherapy, radiation therapy, and surgery, yet chemoresistance is common and remains the leading cause of treatment failure. PC002 is recently found effective in treating Ewing's Sarcoma in vitro and in vivo. However, the mechanism of action of PC002 is still under dispute, and no experiments have been conducted to explore its combination therapy in Ewing's Sarcoma cells. Thus, this study was performed to elucidate the mechanism of action of PC002 and facilitates the selection of future combination therapies for Ewing's Sarcoma. Vincristine, ABT-199, ABT-263, and Olaparib were combined with PC002. High-throughput screening and Fluorescence-activated Cell Sorting tests were performed in the A673 Ewing cell line to examine the drugs’ effects on inhibiting cell proliferation and inducing apoptosis. The results suggest that there was no antagonism between PC002 and these drugs. We discovered that the combination of PC002 and ABT-263 is highly synergistic (p<0.001), which should be further explored as a promising combination drug. The combinations of PC002 with Vincristine and with Olaparib are also potential therapeutic tools in combating chemoresistance and increasing the efficacy of the drugs in Ewing's Sarcoma.
尤文氏肉瘤是一种罕见的恶性肿瘤,生长在骨骼或附近的软组织中。目前的治疗主要集中在化疗、放疗和手术,但化疗耐药是常见的,仍然是治疗失败的主要原因。PC002最近被发现对体外和体内治疗尤文氏肉瘤有效。然而,PC002的作用机制仍有争议,尚未有实验探索其联合治疗尤文氏肉瘤细胞。因此,本研究旨在阐明PC002的作用机制,为今后选择治疗尤文氏肉瘤的联合疗法提供依据。长春新碱、ABT-199、ABT-263、奥拉帕尼与PC002联合用药。在A673 Ewing细胞系上进行高通量筛选和荧光活化细胞分选试验,考察药物抑制细胞增殖和诱导细胞凋亡的作用。结果提示PC002与上述药物无拮抗作用。我们发现PC002与ABT-263联合用药具有高度协同作用(p<0.001),作为一种有前景的联合用药值得进一步探索。PC002联合长春新碱和奥拉帕尼也是对抗化疗耐药和提高尤文氏肉瘤药物疗效的潜在治疗工具。
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引用次数: 0
Research on the formulation rules of health food for improving sleep based on data mining 基于数据挖掘的睡眠保健食品配方规律研究
Rui Xiao, Fengju Hu, Qing-Mei Pei, Wei Pei, Huawei Tu
Objective: To analyze the prescription rules of Chinese medicine health foods for improving sleep, and to provide references for the research and development of related health foods. Methods: Retrieve 581 types of sleep-improving Chinese medicine health food data approved before December 2020 from the official website of the State Administration of Market Supervision and Administration (SAMR), establish a health food database and conduct an overall analysis, including dosage form, function, frequency, etc., for raw materials The 109 formula, which is all Chinese herbal medicine, carries out frequency statistics, association rule analysis and visual analysis. Results: There were only 418 kinds of sleep improving effects, including 163 kinds of two or more effects. All of them were Chinese herbal medicines with high frequency of use, such as SEMEN ZIZIPHI SPINOSAE, PORIA and FRUCTUS SCHISANDRAE CHINENSIS. According to the efficacy classification, the top three traditional Chinese medicines with the highest frequency of use were Deficience-tonifying Drugs, Anxiety Drugs and Liver-soothing and Wind Resuscitating Drugs. The combination rule high-frequency drug pair includes RADIX SALVIAE MILTIORRHIZAE → SEMEN ZIZIPHI SPINOSAE; FRUCTUS SCHISANDRAE CHINENSIS, PORIA → SEMEN ZIZIPHI SPINOSAE; RADIX ET CAULIS ACANTHOPANACIS SENTICOSI → SEMEN ZIZIPHI SPINOSAE, etc.; The visualization results of association rule drug pairs show that the core compatibility is SEMEN ZIZIPHI SPINOSAE - PORIA - GINSENG - FRUCTUS SCHISANDRAE CHINENSIS - RHIZOMA GASTRODIAE. It is basically consistent with the principle of improving sleep in traditional Chinese medicine. Conclusion: Data mining and basic theoretical analysis of traditional Chinese medicine on the prescription rules of existing sleep-improving health foods can provide new ideas for the research and development of traditional Chinese medicine health products, so as to give full play to the advantages of traditional Chinese medicine and provide a basis for the public service of Chinese medicine health foods.
目的:分析中药改善睡眠保健食品的处方规律,为相关保健食品的研发提供参考。方法:从国家市场监督管理总局(SAMR)官网检索2020年12月前获批的581种改善睡眠的中药保健食品数据,建立保健食品数据库,对原料进行包括剂型、功能、频次等方面的整体分析,其中109种配方均为中草药,进行频次统计、关联规则分析和可视化分析。结果:共有418种睡眠改善效果,其中两种及以上效果163种。均为使用频率较高的中草药,如紫皮子、茯苓、五味子等。按疗效分类,使用频率最高的中药分别为补虚药、焦虑药和疏肝养风药。高频药物对的组合规则为:丹参→紫皮;五味子,茯苓→酸枣子;刺五加、刺五加、刺五加、刺五加、刺五加等;关联规则药物对的可视化结果表明,其配伍核心为紫皮子-茯苓-人参-五味子-天麻。这与中医改善睡眠的原理基本一致。结论:对现有改善睡眠保健食品的处方规律进行中医数据挖掘和基础理论分析,可以为中药保健品的研发提供新的思路,从而充分发挥中医的优势,为中药保健食品的公共服务提供依据。
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引用次数: 0
Research progress of functional near infrared imaging in the field of drug addiction 功能近红外成像在药物成瘾领域的研究进展
Lei Wang, Zhencai Chen
Functional near-infrared spectroscopy (fNIRS) is a new non-invasive brain near-infrared spectroscopy technology, which has the advantages of low cost, portability and real-time continuous dynamic capture, it is widely used in different clinical situations. In the field of addiction, fNIRS can be used in assessment studies of neurocognitive abilities and intervention effects of different addictive behaviors, in which neurobiological indicators associated with fNIRS can be used as potential biomarkers to assess the level of addiction; Or as an indicator of addiction-related cravings. In this paper, we reviewed and analyzed the literature of fNIRS and its application in the field of drug addiction from the aspects of cognitive function evaluation and therapeutic effect evaluation related to addiction behavior, provide reference for future research.
功能近红外光谱(fNIRS)是一种新型的无创脑近红外光谱技术,具有成本低、便携、实时连续动态捕获等优点,被广泛应用于临床不同场合。在成瘾领域,fNIRS可用于评估不同成瘾行为的神经认知能力和干预效果的研究,其中与fNIRS相关的神经生物学指标可作为评估成瘾水平的潜在生物标志物;或者作为成瘾相关渴望的标志。本文从与成瘾行为相关的认知功能评价、治疗效果评价等方面对fNIRS及其在药物成瘾领域的应用文献进行综述和分析,为今后的研究提供参考。
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引用次数: 0
Prediction of Phosphorylation Sites in Amino Acid Sequences Using Convolutional Neural Networks 利用卷积神经网络预测氨基酸序列的磷酸化位点
Yanchun Zeng, Yuzi Li, Lambert Yan
The focus of this research project is to predict the location of phosphorylation on human proteins by their amino acid sequences. Signals are sent into cells through receptors during a process called signaling cascade, which may alter the state of cells. One essential element of signaling cascade is protein kinases, which are enzymes that give the target protein a phosphate group. They can activate, deactivate proteins or act as signals to be passed onto other proteins. Through the Convolutional Neural Network (CNN), our model aims to provide a plausible prediction of the phosphorylation pattern of a given human protein sequence, on which future experiments can be based.
本研究项目的重点是通过人类蛋白质的氨基酸序列来预测磷酸化的位置。信号通过受体进入细胞,这一过程被称为信号级联,可能会改变细胞的状态。信号级联的一个基本元素是蛋白激酶,它是一种给目标蛋白一个磷酸基团的酶。它们可以激活或使蛋白质失活,或者作为传递给其他蛋白质的信号。通过卷积神经网络(CNN),我们的模型旨在为特定人类蛋白质序列的磷酸化模式提供合理的预测,从而为未来的实验提供基础。
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引用次数: 0
A Role of Endogenous Taurine in Mitochondrial Metabolism in Mice Primary Skeletal Muscle 内源性牛磺酸在小鼠原发性骨骼肌线粒体代谢中的作用
Xinyu Li, Xiaoyang Sheng, Ke-di Liu, Yutong Chen, Ruoshui Liu, Haoran Yang
Muscular dystrophy and neuromuscular diseases have been persisting and its causes range from genetic inheritance to injuries, resulting in muscle weakening and paralysis. In consideration of muscle contraction and its relevance to the mitochondria, an investigation into primary skeletal muscle cells was carried out to observe the amino acid taurine, focusing on its effect on the mitochondria from a cellular level. It was concluded that taurine may slow down the progressive muscle weakness and aging through enhancing calcium homeostasis and suppressing the production of ROS. Taurine deficiency could also be associated with aging animals, indicating that taurine may have anti-aging actions. Thus, it was assumed that taurine deficiency is associated with the increase in aging-associated tissue damage, reducing the life span of the mouse model by knocking out the taurine transporter. In addition, it was concluded that a reduce in taurine level is associated with the rise of unfolded protein response (UPR), meaning that the protein folding by taurine can be improved.
肌肉萎缩症和神经肌肉疾病持续存在,其原因从遗传到损伤不等,导致肌肉衰弱和瘫痪。考虑到肌肉收缩及其与线粒体的相关性,对原代骨骼肌细胞进行了研究,以观察氨基酸牛磺酸,重点从细胞水平上研究其对线粒体的影响。由此可见,牛磺酸可能通过增强钙稳态和抑制活性氧的产生来减缓进行性肌无力和衰老。牛磺酸缺乏也可能与动物衰老有关,这表明牛磺酸可能具有抗衰老作用。因此,假设牛磺酸缺乏与衰老相关的组织损伤增加有关,通过敲除牛磺酸转运蛋白而减少小鼠模型的寿命。此外,我们还得出结论,牛磺酸水平的降低与未折叠蛋白反应(UPR)的增加有关,这意味着牛磺酸可以改善蛋白质折叠。
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引用次数: 0
Review of Targeted Therapy for HER-2 Positive Breast Cancer HER-2阳性乳腺癌靶向治疗综述
Bo Li
In this paper, by searching the relevant literature on the study of dual targeting therapy for HER-2 positive breast cancer in recent years, we summarized and analyzed the long-term follow-up results and new research on neoadjuvant, adjuvant and late rescue therapy of HER-2 positive breast cancer with anti-HER-2 dual targeting regimen, so as to further improve the clinical understanding of anti-HER-2 dual targeting therapy. Many research results show that anti-HER-2 double targeted therapy can achieve higher pathological complete remission rate and better prognosis in neoadjuvant therapy for HER-2 positive breast cancer, and also can obtain better survival benefit in adjuvant therapy and late rescue therapy. However, more large-scale prospective clinical studies and time validation are still needed to find the best targeted drug combination with more benefits, fewer complications and more economy.
本文通过检索近年来HER-2阳性乳腺癌双靶向治疗研究的相关文献,总结分析HER-2阳性乳腺癌抗HER-2双靶向方案的长期随访结果及新辅助、辅助及后期抢救治疗的新研究,进一步提高临床对抗HER-2双靶向治疗的认识。许多研究结果表明,在HER-2阳性乳腺癌的新辅助治疗中,抗HER-2双靶向治疗可以获得更高的病理完全缓解率和更好的预后,并且在辅助治疗和晚期抢救治疗中也可以获得更好的生存获益。然而,仍需要更多的大规模前瞻性临床研究和时间验证,以找到更好的疗效、更少的并发症和更经济的最佳靶向药物组合。
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引用次数: 0
The Effect of Tanshinone IIA on Suppressing the Development of APL Through Inhibiting PI3K/AKT Signaling Pathway and Inducing Apoptosis or Triggering Differentiation of NB4 Cells 丹参酮IIA通过抑制PI3K/AKT信号通路,诱导NB4细胞凋亡或分化抑制APL发展的作用
Xinyue Shen
Acute promyelocytic leukemia, a hematologic malignancy that predominantly affects young adults, has a relatively high mortality rate. Although the application of all-trans retinoic acid (ATRA) therapy over the last decades has significantly improved the long-term survival rate of APL patients, this method of treatment is often accompanied by severe complications such as RAS. This study investigates the effect of using milder traditional Chinese herbal medicine Salvia Miltiorrhiza Bunge, containing tanshinone IIA as an active compound, to treat APL with minor adverse reactions. This experiment will use a known human acute promyelocytic leukemia cell line (NB-4). After treatment with tanshinone, measure phospho-AKT and AKT by western blot, indicating activity of apoptosis. The positive control is taxol, and the negative control is PBS/DMSO. Differentiation of NB4 will be measured by FACS for CD11b and CD11c. The positive control is ATRA, and negative control is no treatment of tanshinone IIA.
急性早幼粒细胞白血病是一种血液学恶性肿瘤,主要影响年轻人,死亡率相对较高。尽管近几十年来全反式维甲酸(ATRA)治疗的应用显著提高了APL患者的长期生存率,但这种治疗方法往往伴有严重的RAS等并发症。本研究探讨了以丹参酮IIA为活性成分的温和中药丹参治疗APL的疗效,且不良反应较小。本实验将使用一种已知的人类急性早幼粒细胞白血病细胞系(NB-4)。丹参酮处理后,用western blot法检测磷酸化AKT和AKT的凋亡活性。阳性对照为紫杉醇,阴性对照为PBS/DMSO。用流式细胞仪检测NB4的CD11b和CD11c的分化情况。阳性对照为ATRA,阴性对照为未治疗丹参酮IIA。
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引用次数: 0
A Study on the Demand and the Influencing Factors of Smart Healthcare Services for the Elderly in Harbin: Based on The Anderson Health Behaviour Model 哈尔滨市老年人智慧医疗服务需求及影响因素研究——基于Anderson健康行为模型
Sijia Du, Jia Yan
With the increasingly diverse needs of the elderly for elderly care services in the new era and the continuous deepening of informatization construction in the field of elderly care, smart healthcare, as an important component of smart elderly care, is being built in full swing. Based on the data from 317 valid questionnaires of elderly citizens over the age of 60 in the five main urban areas of Harbin, taking Andersen's Behavioral Model as the theoretical framework, this paper discusses the factors that affect the use of smart healthcare by the elderly, including propensity factors, enabling factors, and demand factors. The analysis results show that propensity factors (residence mode, understanding of smart elderly care), enabling factors (monthly income), and demand factors (health condition, loneliness) have different degrees of influence on the elderly's demand for smart healthcare. Relevant government departments should continue to promote smart healthcare, such as increasing the publicity of smart elderly care, focusing on the needs of low-income elderly living alone for smart healthcare and improving the awareness of disease prevention among the elderly.
随着新时代老年人对养老服务需求的日益多样化,以及养老领域信息化建设的不断深入,智慧医疗作为智慧养老的重要组成部分,正在如火如荼地进行建设。本文基于哈尔滨市5个主城区317份60岁以上老年人有效问卷的数据,以Andersen’s Behavioral Model为理论框架,探讨影响老年人使用智慧医疗的因素,包括倾向因素、使能因素和需求因素。分析结果表明,倾向因素(居住方式、对智慧养老的理解)、使能因素(月收入)和需求因素(健康状况、孤独感)对老年人智慧医疗需求有不同程度的影响。政府相关部门应继续推进智慧医疗,如加大智慧养老宣传力度,关注低收入独居老人智慧医疗需求,提高老年人疾病预防意识等。
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引用次数: 1
Application of artificial intelligence in the process of rehabilitation of mentally ill patients returning to society 人工智能在精神病患者重返社会康复过程中的应用
Tong Yu, Kesui Deng, Qiqi Yao
With the development of the economy and social progress, the pace of life and work accelerates the prevalence of mental illness is getting higher and higher; more and more mentally ill patients in advanced medical level and drug treatment out of the hospital, but after leaving the hospital, in addition to how to find a new job, reintegration into society, they also face a high rate of recurrence of mental illness, the patients of social injury and other difficulties. At present, artificial intelligence has become a hot field of technological development; in the process of the return of mentally ill people to society, we can use machine learning, and extensive data analysis technology to build predictive models for psychological evaluation and screening based on artificial intelligence technology to build the "Internet plus" psychological platform can also collect big data, establish a unique mental health data baseline for each user, to provide proper treatment and personalized services; The recurrence of mental illness can be identified, and early warning, artificial intelligence and electronic intelligent devices, psychotherapy jointly derived from computerized cognitive behavioural therapy can also be through a variety of computer interface for psychotherapy and cognitive improvement training, we can also use artificial intelligence for intelligent follow-up. In addition to the high accuracy of diagnostic and relapse screening, artificial intelligence can do these complex tasks instead of doctors, effectively reducing costs and increasing efficiency. This paper mainly introduces the development of artificial intelligence and the current plight of mentally ill people in China. It combines artificial intelligence technologies such as machine learning, extensive data analysis and voice interaction with the rehabilitation of mentally ill people to find a new way out for this group.
随着经济的发展和社会的进步,生活和工作节奏的加快,精神疾病的患病率越来越高;越来越多的精神病患者在先进的医疗水平和药物治疗下出院,但出院后,除了如何找到新工作、重新融入社会之外,他们还面临着精神病复发率高、患者受到社会伤害等难题。目前,人工智能已成为技术发展的热点领域;在精神病患者回归社会的过程中,我们可以利用机器学习,以及广泛的数据分析技术来构建心理评估和筛选的预测模型,基于人工智能技术构建的“互联网+”心理平台也可以收集大数据,为每个用户建立独特的心理健康数据基线,提供适当的治疗和个性化服务;对精神疾病的复发可以进行识别、预警,人工智能与电子智能设备、心理治疗共同衍生出计算机化的认知行为疗法,也可以通过各种计算机接口进行心理治疗和认知改善训练,还可以利用人工智能进行智能随访。除了诊断和复发筛查的高准确性外,人工智能还可以代替医生完成这些复杂的任务,有效降低成本,提高效率。本文主要介绍了人工智能的发展和中国精神疾病患者的现状。它将机器学习、广泛的数据分析和语音交互等人工智能技术与精神病患者的康复相结合,为这一群体找到新的出路。
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引用次数: 0
Intelligent Diagnosis of Vascular Anomalies with Deep Learning 基于深度学习的血管异常智能诊断
Yuwei Cai, Xia Gong, Qiang He, X. Fan, P. Xiong
Correct classification and diagnosis of vascular anomalies is an important prerequisite for further clinical treatment. In general, clinical diagnosis of vascular anomalies is conducted according to different characteristics of ultrasonography. However, the clinical presentation of infantile hemangioma (IH) and venous mal- formation (VM) is similar and not easy to be separated. The difficulties result from the special diagnostic ultrasonography mode, indistinguishable grayscale images, rich texture, extensive involvement area, blurred boundary, and the unique blood flow ultrasonography acquisition method of VM. Here we propose a deep learning algorithm for detection and recognition of IH and VM lesions from ultrasonography. The experimental results have shown a good recognition performance on IH and VM ultrasonic images.
血管异常的正确分类和诊断是进一步临床治疗的重要前提。一般情况下,临床对血管异常的诊断是根据超声的不同特征进行的。然而,婴儿血管瘤(IH)和静脉畸形(VM)的临床表现相似,不易区分。特殊的超声诊断模式、灰度图像难以区分、纹理丰富、受累范围广、边界模糊、VM独特的血流超声采集方法等都是造成诊断困难的原因。在这里,我们提出了一种深度学习算法来检测和识别超声图像中的IH和VM病变。实验结果表明,该方法对IH和VM超声图像具有良好的识别性能。
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引用次数: 0
期刊
Proceedings of the 3rd International Symposium on Artificial Intelligence for Medicine Sciences
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