miR-361-5p对肾细胞癌ACHN细胞恶性生物学行为的影响

目的：探讨miR-361-5p对肾细胞癌ACHN细胞增殖、侵袭、迁移、凋亡及其细胞周期的影响。方法：将miR-361-5p mimics和miR-361-5p inhibitor分别转染至肾癌ACHN细胞中，用qPCR检测转染细胞中miR-361-5p的表达水平，用MTT法、划痕愈合实验、Transwell实验、流式细胞术分别检测细胞的增殖、迁移、侵袭、细胞周期和凋亡水平。结果：与空白对照组和 Mimics-NC组比较，miR-361-5p mimics组ACHN细胞中miR-361-5p表达水平显著升高（P<0.01），细胞的增殖、侵袭和迁移能力均显著减弱（均P<0.01），而凋亡率升高（P<0.01）。与空白对照组或Inhibitor-NC组比较，miR-361-5p inhibitor组细胞中miR-361-5p表达水平显著下降（P<0.01），细胞的增殖、侵袭和迁移能力均增强（均P<0.01），细胞周期运转加速（P<0.01），凋亡率降低（P<0.05）。结论：miR-361-5p可抑制肾癌ACHN细胞的增殖、侵袭和迁移，并诱导细胞凋亡，其在肾癌发生发展过程中发挥重要的抑制作用。     

“5+3”背景下医学生感官系统技能培训体系建设

为探索以器官-系统为中心的整合课程的教学改革，本项目在“5＋3”医学生中进行了针对感官系统的临床技能培训新体系建设。根据当前医学教育改革发展的趋势和要求，结合目前临床技能教学的现状，项目整合了包括耳鼻咽喉科、眼科及皮肤科的基础与临床教学内容，设计了新的临床技能培训体系，其中包括编写新的教材，制定新的教学大纲，由专门的教学组负责实施，培训方式包括模拟训练和床旁实战训练，考核方法包括操作能力考核和临床病例考核，培训内容则涵盖各专业常规操作技能。经过实践运用，证实该培训体系能快速有效地提升学生的临床操作技能，取得了良好的教学效果。     

Comparison of microtransplantation,chemotherapy and allogeneic transplantation in post-remission therapy for Philadelphia chromosome-positive acute lymphoblastic leukemia

Patients with Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph⁺ ALL) have poor prognosis, and the efficacy of chemotherapy plus tyrosine kinase inhibitors (TKIs) followed by mismatched donor stem cell infusion (microtransplantation, MST) has not been determined. We retrospectively summarized 45 patients including 11 undergoing MST with TKIs, 17 receiving allogeneic transplant and 17 undergoing chemotherapy with TKIs. Improved 4-year overall survival rate was observed in the MST group (91%) compared with either transplant group (31%, P = .005) or chemotherapy group (36%, P = .013). The MST group also had higher 2-year and 4-year leukemia-free survival rates (91% and 72%, respectively) compared with either transplant group (33%, P = .005 and 33%, P = .021, respectively) or chemotherapy group (41%, P = .017 and 31%, P = .023, respectively). 2-year and 4-year cumulative incidences of hematologic relapse were lower in the MST group (9% and 28%, respectively) compared with those in the chemotherapy group (56%, P = .025 and 67%, P = .034, respectively). In patients undergoing MST, donor microchimerism was detected (1.07 × 10^-5 to 6.6 × 10^-4 copies from 9 to 1499 days) in 7 patients, and donor/patient-derived HLA*0201/2402⁺WT1⁺CD8⁺ T cells were found from 0.05% to 0.67% in 6 patients. MST may provide a favorable treatment for patients with Ph⁺ ALL.     

蒋士卿治疗放射性口腔炎的临床经验

放射性口腔炎是口腔和头颈部肿瘤放疗过程中常见的并发症,西医目前尚无有效治疗手段。根据放射性口腔炎的临床表现,蒋士卿教授认为放射线属于“火毒”之邪,火毒蕴结、气阴两伤是放射性口腔炎的基本病机。随着射线剂量的累加,邪热渐盛,正气渐虚,脾气渐伤,久病及肾,疾病呈阶段性。发病初期热结上焦、火毒灼津,中期热伏中焦、脾虚热结,后期热伤下焦、虚火上炎,火邪贯穿于放射性口腔炎临床表现的始终,因此其根据放疗不同阶段口腔炎症特点标本兼顾,辨证诊治,分别运用泻火解毒法、泻火补土法、补土伏火法,临床治疗效果显著。     

改良体位联合中医护理对PICC置管治疗妇科肿瘤患者满意率及依从性的影响

目的：探究改良体位和中医护理对经外周静脉穿刺中心静脉置管（PICC）治疗妇科肿瘤患者满意率及依从性的影响情况。方法：将 85 例 PICC 置管治疗妇科肿瘤患者，依据随机数字表法分为 2 组，对照组 42 例予以 PICC 置管治疗常规护理；观察组 43 例在对照组的基础上予以改良体位和中医护理。对比 2 组患者护理后护理质量、满意率、依从性以及并发症发生情况和生活质量。结果：观察组护理后，人员素质、病情观察、健康指导、服务态度、服务项目以及护理满意率优于对照组，差异有统计学意义（P＜0.05）。观察组护理后在遵医嘱用药、注意饮食、合理运动、自我检测方面的依从性高于对照组，差异有统计学意义（P＜0.05）。观察组护理后并发症发生率、生活质量评分优于对照组，差异有统计学意义（P＜0.05）。结论：改良体位联合中医护理可以有效提高 PICC 置管治疗妇科肿瘤患者的满意率和依从性，降低 PICC 置管治疗的并发症发生率，改善生活质量。     

养心醒脑汤联合齐拉西酮治疗精神分裂症疗效及安全性研究

目的:观察养心醒脑汤联合齐拉西酮治疗精神分裂症的疗效及用药安全性。方法:将心脾两虚型精神分裂症患者240例按照随机数字表法分为对照组和观察组各120例,对照组给予盐酸齐拉西酮片治疗,观察组给予盐酸齐拉西酮片联合养心醒脑汤治疗,2组均连续治疗8周。比较2组治疗前后阳性与阴性症状量表(PANSS)评分、社会功能评定量表(SSPI)评分,观察不良反应,评价疗效。结果:对照组有效率为72.50%,观察组有效率为90.00%。观察组有效率高于对照组,差异有统计学意义(χ~2=12.062,P0.05)。经过治疗,2组PANSS评分较前改善,观察组PANSS评分低于对照组,差异有统计学意义(P0.05)。经过治疗,2组SSPI评分较前改善,观察组SSPI评分高于对照组,差异有统计学意义(P0.05)。对照组不良反应率为28.33%,观察组不良反应率为10.83%,观察组不良反应率低于对照组,差异有统计学意义(χ~2=11.668,P0.05)。结论:养心醒脑汤联合齐拉西酮治疗心脾两虚型精神分裂症患者,疗效显著,可明显改善患者症状,提高社会功能,并且不良反应少,安全性高。     

广西高校新生对HIV尿液自助采样包的使用意愿及关注因素调查

目的 了解广西高校新生对HIV尿液自助采样包的使用意愿及关注因素,为进一步在高校开展HIV尿液自我采样传递检测提供依据和参考。 方法 采取整群随机抽样方法,分别选取广西A、B两所高校新生进行匿名问卷调查,其中,A校在健康教育讲座前问卷调查,B校在健康教育讲座后问卷调查。 结果 本次调查中,共发放问卷500份,A、B两所高校新生的问卷回收率分别是88.0%(132/150),96.9%(339/350),差异有统计学意义(P<0.001)。A、B两所高校新生艾滋病基本知识平均知晓率分别为73.7%,87.7%,差异有统计学意义(P<0.001)。受访的大学新生中有2.3%(11/471)曾接受过HIV检测。A、B两所高校新生对HIV尿液自助采样包的使用意愿率分别是63.6%(84/132),88.5%(300/339),差异有统计学意义(P<0.001)。男生对HIV尿液自助采样包的使用意愿率均要稍高于女生,但差异无统计学意义(P>0.05)。在阻碍HIV尿液自助采样包的使用因素调查中,54.0%(47/87)认为操作流程不方便,37.9%(33/87)怀疑结果的准确性,8.1%(7/87)认为容易污染。此外,在大学新生对HIV尿液自助采样包的关注因素调查中,首要关注的是保密性(85.4%,402/471),其次是准确性(72.4%,341/471)。超过一半的新生认为100~150元是HIV尿液自助采样包的可接受价格范围,高达97%的新生认为检测结果的反馈时长应小于7 d。 结论 广西高校新生对HIV尿液自助采样包的态度积极,使用意愿较高,对HIV尿液自我采样传递检测持相对开放态度。HIV尿液自助采样包的保密性和准确性是大学新生最为关注的两个因素。举办健康教育讲座对HIV尿液自助采样包进行适当的介绍和宣传,可有效提高使用意愿。     

RNA sequencing screening of differentially expressed genes after spinal cord injury

In the search for a therapeutic schedule for spinal cord injury, it is necessary to understand key genes and their corresponding regulatory networks involved in the spinal cord injury process. However, ad hoc selection and analysis of one or two genes cannot fully reveal the complex molecular biological mechanisms of spinal cord injury. The emergence of second-generation sequencing technology(RNA sequencing) has provided a better method. In this study, RNA sequencing technology was used to analyze differentially expressed genes at different time points after spinal cord injury in rat models established by contusion of the eighth thoracic segment. The numbers of genes that changed significantly were 944, 1362 and 1421 at 1, 4 and 7 days after spinal cord injury respectively. After gene ontology analysis and temporal expression analysis of the differentially expressed genes, C5ar1, Socs3 and CCL6 genes were then selected and identified by real-time polymerase chain reaction and western blot assay. The mRNA expression trends of C5ar1, Socs3 and CCL6 genes were consistent with the RNA sequencing results. Further verification and analysis of C5ar1 indicate that the level of protein expression of C5ar1 was consistent with its nucleic acid level after spinal cord injury. C5ar1 was mainly expressed in neurons and astrocytes. Finally, the gene Itgb2,which may be related to C5ar1, was found by Chilibot database and literature search. Immunofluorescence histochemical results showed that the expression of Itgb2 was highly consistent with that of C5ar1. Itgb2 was expressed in astrocytes. RNA sequencing technology can screen differentially expressed genes at different time points after spinal cord injury. Through analysis and verification, genes strongly associated with spinal cord injury can be screened. This can provide experimental data for further determining the molecular mechanism of spinal cord injury, and also provide possible targets for the treatment of spinal cord injury. This study was approved ethically by the Laboratory Animal Ethics Committee of Jiangsu Province, China(approval No. 2018-0306-001) on March 6, 2018.