The effect of ABV regimen on CD4 lymphocyte count in patients with advanced HIV related Kaposi'
211232373_调节性T细胞在变应性鼻炎免疫应答中的作用

调节性T细胞在变应性鼻炎免疫应答中的作用①罗超曾佐静彭顺林(成都中医药大学附属医院耳鼻喉科,成都 610075)中图分类号R765.22 文献标志码 A 文章编号1000-484X(2023)04-0879-06[摘要]调节性T(Treg)细胞是CD4+T细胞的一个小而关键的亚群,具有维持免疫稳态的作用,诸多研究已证明Treg 在过敏性气道疾病中具有巨大的治疗潜力,在免疫抑制和炎症气道的恢复中起至关重要的作用。
在变应性鼻炎(AR)中,Treg 可抑制第2组先天淋巴细胞、辅助性T细胞、肥大细胞、树突状细胞、嗜酸性粒细胞和B细胞,从而维持耐受性机制。
本综述回顾总结了目前关于Treg在AR中如何调节过敏原引发的免疫应答和维持耐受性机制,对充分利用Treg生物学知识为临床防治AR提供重要参考。
[关键词]变应性鼻炎;调节性T细胞;免疫应答Effect of regulatory T cells in immune response of allergic rhinitisLUO Chao,ZENG Zuojing,PENG Shunlin. Department of Otolaryngological,Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China[Abstract]Regulatory T (Treg) cells are a small and key subgroup of CD4+T cells, which have the function of maintaining immune homeostasis. Many studies have proved Treg has great therapeutic potential in allergic airway diseases, and plays an important role in immunosuppression and the recovery of inflammatory airway. In allergic rhinitis (AR), Treg inhibits group 2 innate lympho‐cytes,T helper cells,mast cells,dendritic cells,eosinophils and B cells to maintain tolerance mechanisms. In the paper,we re‐viewed the current situation of Treg in AR how to regulate the immune response and maintain tolerance mechanism caused by aller‐gens, which provides important knowledge for the clinical prevention and treatment of AR.[Key words]Allergic rhinitis;Regulatory T cells;Immune response变应性鼻炎(allergic rhinitis,AR)是由环境和遗传共同作用导致的鼻黏膜非感染性炎症疾病,其发生发展是多基因、多因素参与的多阶段演变过程。
《2024年高压氧治疗对小鼠焦虑样行为及海马锥体细胞兴奋性的相关影响》范文

《高压氧治疗对小鼠焦虑样行为及海马锥体细胞兴奋性的相关影响》篇一摘要本研究旨在探讨高压氧治疗(HBO)对小鼠焦虑样行为及海马锥体细胞兴奋性的影响。
通过建立小鼠焦虑模型,结合行为学观察和电生理技术,分析高压氧治疗前后小鼠焦虑行为的改变及海马锥体细胞兴奋性的变化。
研究结果表明,高压氧治疗能有效降低小鼠的焦虑样行为,同时提高海马锥体细胞的兴奋性。
一、引言随着现代医学的进步,高压氧治疗(HBO)在临床上的应用越来越广泛。
高压氧治疗不仅能促进组织修复,还对神经精神类疾病如焦虑症、抑郁症等具有显著的治疗效果。
本研究的目的是深入探讨高压氧治疗对小鼠焦虑样行为和海马区锥体细胞兴奋性的影响。
二、材料与方法1. 实验动物及分组选择健康的小白鼠,随机分为实验组和对照组。
实验组进行高压氧治疗,对照组则不接受任何处理。
2. 焦虑模型的建立采用经典的小鼠焦虑模型,如开放场测试(Open Field Test)等,以评估小鼠的焦虑程度。
3. 高压氧治疗方法实验组小鼠接受高压氧治疗,设定压力、时间等参数。
4. 行为学观察通过观察小鼠在开放场中的行为表现,评估其焦虑样行为的变化。
5. 电生理技术利用电生理技术检测海马区锥体细胞的兴奋性变化。
三、结果1. 小鼠焦虑样行为的变化实验组小鼠经过高压氧治疗后,在开放场测试中表现出的焦虑样行为明显减少。
与对照组相比,实验组小鼠的探索活动增多,焦虑状态得到明显改善。
2. 海马锥体细胞兴奋性的变化高压氧治疗后,实验组小鼠的海马区锥体细胞的兴奋性有所提高。
电生理技术显示,经过高压氧治疗的实验组小鼠在电刺激下的反应更加灵敏,细胞间的信号传递也更为迅速和高效。
四、讨论本实验结果显示,高压氧治疗能够有效降低小鼠的焦虑样行为和改善其神经电生理特征。
这可能与高压氧能够改善神经元的代谢、增强神经突触的传递功能有关。
同时,高压氧也可能通过促进神经再生和修复机制来改善小鼠的焦虑状态。
此外,海马区作为与记忆和情感密切相关的脑区,其锥体细胞的兴奋性提高可能对改善焦虑症状具有重要作用。
lymphodepleting preparative regimen

lymphodepleting preparative regimen 淋巴减少预备方案(lymphodepletingpreparativeregimen)是一种在肿瘤治疗中常用的治疗方法。
它是指在癌症治疗前使用一种特殊的化学物质或放射线治疗方法,以消除患者体内的淋巴细胞,从而提高治疗的有效性。
淋巴减少预备方案的使用主要是为了减少患者体内的免疫反应,这样就可以使治疗更加有效。
一些肿瘤细胞具有免疫逃避机制,这意味着它们可以通过伪装为正常细胞或通过其他方式逃避免疫系统的
攻击。
在淋巴减少预备方案的情况下,患者的免疫系统被抑制,这意味着肿瘤细胞的逃避机制被迫失去控制,从而使得治疗更加有效。
淋巴减少预备方案通常被用于造血干细胞移植、CAR-T细胞治疗、以及其他免疫治疗的情况下。
在这些情况下,淋巴减少预备方案被用来减少体内的免疫细胞,以使治疗能够更加有效地攻击肿瘤细胞。
当然,淋巴减少预备方案并非没有风险。
因为预备方案会削弱患者的免疫系统,所以患者在治疗期间可能会感染一些疾病。
此外,预备方案可能会导致其他副作用,比如恶心、呕吐、脱发等。
因此,在使用淋巴减少预备方案时,医生需要仔细权衡利弊,并根据患者的具体情况进行个性化治疗。
总之,淋巴减少预备方案是一种常用的治疗方法,它可以帮助患者更好地进行肿瘤治疗。
但是,在使用该方法时,医生需要仔细权衡利弊,以确保患者能够获得最佳的治疗效果。
- 1 -。
心理压力对自我损耗的影响

二。一二年五月 May,2012
心理压力对自我损耗的影响
摘要
自我损耗是指先前的自我控制行为会导致个体在随后的自我控制任务中表现下 降,其核心思想是意志行为会损耗一些有限的资源。前人的研究常常把心理压力与自 我控制任务失败联系在一起,可是Baumei ster等研究者又指出,只有那些需要非常 大的意志努力或克服优势反应干扰的自我控制,才会损耗自我控制资源。因此,我们 就产生了疑问:急性心理压力是否会产生自我损耗?压力条件下,自我控制是否会损 耗更多的心理资源?
overcome advantage response would consume the strength.So here comes the question: Will the acute stress result in ego depletion?Under the condition of stress,will the
tested the effect of psychological stress and self-control on ego depletion through two experiments.
Smdy 1 investigated whether psychological stress would lead to ego depletion.Using single factor between-subjects designs,present research take stress condition(stress VS. without stress)as independent variable,aggressive behavior as dependent variable(Level 5 rating).The results didn’t support our hypothesis that psychological stress would result in more aggressive behavior,which means that the effects of ego depletion didn’t happen.
抗衰Ⅰ号方对D-半乳糖衰老小鼠免疫作用的实验研究

抗衰Ⅰ号方对D-半乳糖衰老小鼠免疫作用的实验研究卫昊;郭惠玲;陈静茹【摘要】Objective:To study the effects of Anti-aging Prescription No.l on immune function of aged mice induced by D-galactose.Method:The enzyme-linked immunosorbent assay (ELISA) was used to determine the plasma IgG level and IgM level in mice induced by D-galactose,and calculated the thymus and spleen weight index.Result:Compared with the model group,the Anti-aging Prescription No.1 could obviously increase the IgG level and decrease IgM level,and could increase spleen index and thymus index.Conclusion:The Anti-aging Prescription No.1 could effectively regulate immune.%目的:观察抗衰Ⅰ号方对D-半乳糖衰老小鼠免疫功能的影响.方法:采用酶联免疫吸附法(ELISA)分别检测D-半乳糖衰老小鼠血清中IgG、IgM含量,并计算胸腺、脾脏等免疫器官的重量指数.结果:与模型组比较,抗衰I号方各给药组能不同程度地升高IgG,降低IgM;能明显增加胸腺、脾脏、脑的重量指数.结论:抗衰I号方具有调节D-半乳糖衰老小鼠免疫功能的作用.【期刊名称】《西部中医药》【年(卷),期】2011(024)007【总页数】2页(P15-16)【关键词】抗衰Ⅰ号方;IgG;IgM;小鼠,衰老【作者】卫昊;郭惠玲;陈静茹【作者单位】陕西中医学院,陕西,咸阳,712046;陕西中医学院,陕西,咸阳,712046;陕西中医学院,陕西,咸阳,712046【正文语种】中文【中图分类】R285.5抗衰Ⅰ号方系我院李石蓝教授的经验方,由白芍、制首乌、当归、五味子、补骨脂等7味中药组成,具有补血养阴、滋肾健脑、益智安神、增强体质等功效。
一些神经营养因子对神经干细胞的增殖和分化的影响

一些神经营养因子对神经干细胞的增殖和分化的影响谷平;陈付学;文铁桥【期刊名称】《上海大学学报(自然科学版)》【年(卷),期】2001(007)002【摘要】A certain number of neural stem cells that exist in the embryonic and adult mammalian brain can potentially differentiate into neurons or neuroglia. Those stem cells isolated from adult and embryonic brain are regulated by a series of growth factors, such as fibroblast growth factor (FGF), epidermal growth factor (EGF), etc. However, the effects of growth factors on the proliferation and differentiation of neural stem cells showed difference under different culture conditions.%胚胎和成年哺乳动物脑内存在能分化为神经元和神经胶质细胞的神经干细胞,从成年脑和胚脑分离的神经干细胞能在体外分裂并进一步分化成神经元和胶质细胞,许多生长因子,如成纤维细胞生长因子和表皮生长因子等都参与了这一分裂、分化过程,对神经干细胞的增殖及分化产生一定的影响.但在不同的情况下,它们对增殖及分化的作用不同.【总页数】5页(P147-150,153)【作者】谷平;陈付学;文铁桥【作者单位】上海大学生命科学学院,;上海大学生命科学学院,;上海大学生命科学学院,【正文语种】中文【中图分类】Q42【相关文献】1.脑源性神经营养因子对神经干细胞增殖和分化的影响 [J], 赵昱;赵文杰;赵静;陈炜;李莉;李陈莉2.脑源性神经营养因子对神经干细胞增殖分化的影响 [J], 胡泳菊3.神经营养因子与神经干细胞的增殖与分化:基于汤森路透Web of Science数据库文献检索 [J], 姜振4.神经营养因子与神经干细胞的增殖与分化:基于汤森路透Web of Science数据库文献检索 [J], 姜振5.脑源性神经营养因子对神经干细胞增殖与分化的影响 [J], 赵昱; 赵文杰; 李莉; 赵静因版权原因,仅展示原文概要,查看原文内容请购买。
瓦博格效应 转录水平

瓦博格效应转录水平全文共四篇示例,供读者参考第一篇示例:瓦博格效应是一种重要的生物学现象,指在生物体内,同一基因转录水平在不同细胞状态下会呈现出差异性。
这种现象的发现对于理解生物体内基因调控机制具有重要意义,也为生物学领域的研究提供了新的思路和方法。
瓦博格效应最早由德国生物学家瓦博格(Warburg)于1920年代提出,他发现在人类肿瘤组织中乳酸产生量明显增加,而肿瘤组织细胞呼吸作用减弱。
这一发现揭示了肿瘤组织细胞的代谢特点与正常细胞存在明显差异,从而为后来的细胞生物学和肿瘤学研究提供了重要的线索。
随着研究的深入,科学家们发现瓦博格效应不仅仅存在于肿瘤组织细胞中,还存在于其他许多细胞类型中。
而在基因转录水平上的瓦博格效应更是引起了科学家们的极大兴趣。
在正常细胞生长和发育过程中,基因的转录水平决定了细胞的功能和特性。
而瓦博格效应的存在表明,同一基因在不同细胞状态下的转录水平可能会发生显著变化,这为细胞内信号通路的调节和基因表达的调控提供了新的思路。
除了在正常细胞生长和发育中存在瓦博格效应外,瓦博格效应在疾病的发生和发展过程中也起着重要作用。
在肿瘤细胞中,基因的异常表达往往会导致肿瘤相关基因的过度激活或抑制,从而促进肿瘤的发生和发展。
而研究瓦博格效应在肿瘤细胞中的表达模式,有助于揭示肿瘤的发生机制和病理特点,为肿瘤治疗和预防提供新的科学依据。
瓦博格效应作为生物学领域的一个重要现象,对于基因表达调控和细胞信号传导机制的研究具有重要意义。
通过研究瓦博格效应在不同细胞状态下的表达模式,我们可以更好地理解细胞内基因表达的调控机制,为疾病的治疗和预防提供新的思路和方法。
未来,我们期待通过对瓦博格效应的更深入研究,揭示更多生物学的奥秘,为人类健康和疾病治疗开辟新的途径。
【2000字】第二篇示例:瓦博格效应是指在细胞中某些特定基因的转录水平受到环境因素的影响而发生变化的现象。
瓦博格效应是一种重要的基因调控方式,可以使细胞对外界环境的变化做出及时的反应。
Stem Cell Biology and Regenerative Medicine

Stem Cell Biology and Regenerative Medicine Stem cell biology and regenerative medicine are fields that have gained significant attention in recent years. Stem cells are unique cells that have the ability to differentiate into various cell types and have the potential to regenerate damaged tissues. The field of regenerative medicine aims to use stem cells to replace or repair damaged tissues and organs in the body. While the potential benefits of stem cell research and regenerative medicine are vast, there are also ethical concerns and challenges that need to be addressed.One of the main ethical concerns surrounding stem cell research is the use of embryonic stem cells. Embryonic stem cells are derived from embryos that are typically discarded after in vitro fertilization. Some individuals argue that using these embryos for research purposes is unethical and violates the sanctity of human life. Others argue that the potential benefits of stem cell research outweigh these concerns and that the embryos used for research would have been discarded anyway.Another ethical concern is the potential for the commercialization of stem cells. As stem cell research continues to advance, there is a growing market for stem cell therapies. Some companies are already offering stem cell treatments for various conditions, despite the lack of sufficient clinical trials and regulatory oversight. This raises concerns about the safety and efficacy of these treatments, as well as the potential for exploitation of vulnerable patients.In addition to ethical concerns, there are also scientific and technical challenges that need to be addressed in the field of regenerative medicine. One major challenge is the ability to control the differentiation of stem cells into specific cell types. While stem cells have the potential to differentiate into any cell type, directing them to differentiate into a specific cell type can be difficult. This can limit the effectiveness of stem cell therapies and increase the risk of complications.Another challenge is the potential for immune rejection of transplanted stem cells. Since stem cells can differentiate into any cell type, they can potentially be used to replace damaged tissues and organs. However, the immune system may recognize thesetransplanted cells as foreign and mount an immune response, leading to rejection of the transplanted cells. This can limit the effectiveness of stem cell therapies and increase the risk of complications.Despite these challenges, the potential benefits of stem cell research and regenerative medicine are vast. Stem cells have the potential to revolutionize the treatment of a wide range of conditions, including cancer, heart disease, and neurological disorders. Stem cell therapies could also reduce the need for organ transplants and improve the quality of life for millions of people around the world.In conclusion, stem cell biology and regenerative medicine are fields that hold great promise for the future of medicine. While there are ethical concerns and scientific challenges that need to be addressed, the potential benefits of these fields are vast. As research in these areas continues to advance, it is important to ensure that ethical considerations are taken into account and that the safety and efficacy of stem cell therapies are rigorously tested. With careful consideration and continued research, stem cell biology and regenerative medicine could transform the way we treat a wide range of conditions and improve the lives of millions of people around the world.。