经皮穿刺注射无水乙醇治疗高强度聚焦超声治疗后残留肝癌的疗效观察

目的探讨经皮穿刺注射无水乙醇治疗高强度聚焦超声(HIFU)后残留肝癌的疗效及其影响因素。方法对HIFU治疗肝癌术后的83例残留病灶进行无水乙醇注射(PEI)治疗。观察治疗前后患者临床症状、肿瘤标记物的变化,并用彩色多普勒血流显像(CDFI)定期随访肿瘤变化。结果79例患者临床症状明显改善。6个月和1、2年生存率分别为95.5%、82.5%、60.5%。CDFI随访,所有患者治疗区病灶回声增强,血供减少或消失,其中77例(92.8%)病灶体积缩小。51例AFP阳性患者中,46例(90.2%)AFP下降。结论HIFU联合无水乙醇能有效破坏肿瘤血供,灭活肿瘤,延长患者的生存期和提高生存质量,是肝癌非手术治疗的一种有效方法。     

“共性与个性”教学法在先天性心脏病临床教学中的实施

从教学的实施方法、与传统教学的对比、教学法对教师的要求及其存在的问题等方面,探讨“共性与个性”教学法在先天性心脏病临床教学中的应用,总结该教学法应用于先天性心脏病教学中的优缺点,为心内科临床教学探索新的教学方法。     

盐酸昂丹司琼有关物质B的合成

为了盐酸昂丹司琼的质控,合成了欧洲药典7.0中规定的有关物质B[6,6′-亚甲基双[9-甲基-3-[(2-甲基-1H-咪唑-1-基)甲基]-1,2,3,9-四氢-4H-咔唑-4-酮]]:用4,4′-二氨基二苯甲烷经重氮化及还原得到4,4′-二肼基二苯甲烷二盐酸盐,与1,3-环己二酮缩合后进行Fischer环合生成6,6′-亚甲基双(1,2,3,9-四氢4H-咔唑-4-酮),再经甲基化、与多聚甲醛进行羟醛缩合反应,最后与2-甲基咪唑进行Michael加成制得.     

“历代针灸学成就多媒体展示系统”的构建思路

"历代针灸学成就多媒体展示系统"系北京市中医药科技发展基金科研项目。它以历史为主线,运用现代多媒体技术,通过文字、图片、视频及动画等多种方式,直观生动地展示针灸学发展各时期所取得的成就及丰富的文博信息;另外,它还是一个集针灸科普知识、刺灸技法、医疗实景展示于一体的系统,具有显著的实用性和创新性。本文介绍其建设的目标和定位、展示的主要内容、系统制作特点等。     

以红曲为原料保健食品中洛伐他汀的含量测定

目的建立以红曲为原料的保健食品中总洛伐他汀含量测定的方法。方法用高效液相色谱法一次测定保健食品中两种结构形式洛伐他汀的总含量,色谱条件为：色谱柱（zorbaxC18,4.6×250mm,5μm）;流动相：甲醇-水-磷酸（385：115：0.14）;检测波长：238nm;流速：1.0mL/min。结果洛伐他汀在2.0～300μg/mL范围内线性关系良好,r=0.9999;平均回收率为99.5%,RSD为0.57%（n=9）。结论该高效液相色谱法简单、灵敏、快速、准确,适用于以红曲为原料的保健食品中总洛伐他汀的含量测定。     

茯苓HPLC指纹图谱及化学模式识别

目的:建立茯苓药材HPLC指纹图谱,并进行主成分聚类分析,为其质量控制提供有效、可靠的实验依据。方法:采用CAPCELL PAK C18MGⅡS5色谱柱(4.6 mm×250 mm,5μm),流动相乙腈-0.1%磷酸水溶液梯度洗脱,检测波长242 nm,柱温25℃,应用SPSS软件对数据进行统计学分析。结果:建立了茯苓药材HPLC指纹图谱共有模式,并使用聚类分析和主成分分析对指纹图谱进行了模式识别。结论:将指纹图谱和模式识别结合起来进行中药材质量控制是一种行之有效的方法,可较全面的反映茯苓药材中化学成分的信息,为评价茯苓药材提供了科学实验依据。     

Busuishengxue ranules mediate their effects upon non-severe aplastic anemia via mitogen-activated protein kinase/extracellular signal-regulated kinase pathway

OBJECTIVE：To observe the clinical efficacy of Busu- ishengxue granules on non-severe aplastic anemia（NSAA） and investigate its effect on the mitogen-ac- tivated protein kinase/extracellular signal-regulat- ed kinase（MAPK/ERK） pathway. METHODS： Sixty NSAA patients were divided equally into two groups. Subjects in the experimen- tal group were treated with Busuishengxue gran- ules, and the control group with Zaizaoshengxue tablets.The treatment course was 6 months and cu-rative efficacy was compared between the two groups as well as with 10 healthy individuals. Flow cytometry（FCM） was used to detect the intracellu- lar concentration of Ca2 ＋（[Ca2 ＋]i）. Western blotting was employed to detect the expression of enzymes in the MAPK/ERK pathway. RESULTS： The efficacy of Busuishengxue granules was significantly better than that of Zaizaoshengx- ue tablets（P0.05）. Before treatment, expression of JNK, phospho-ERK 1/2 and p-JNK was higher, and [Ca2 ＋]i higher, than that of the control group（P 0.05）. After treatment with Busuishengxue gran- ules, expression of all enzymes related to signal transduction pathways in the blood cells of NSSA patients were altered to different degrees. CONCLUSION： Busuishengxue granules had a bet- ter effect with regard to improving symptom scores, increasing the number of blood leukocytes, and increasing hemoglobin levels than Zaizaosh- engxue tablets, and they differed slightly in terms of increasing the number of platelets.     

Acoustic triggered nanobomb for US imaging guided sonodynamic therapy and activating antitumor immunity

We fabricated an ultrasound activated ‘nanobomb’ as a noninvasive and targeted physical therapeutic strategy for sonodynamic therapy and priming cancer immunotherapy. This ‘nanobomb’ was rationally designed via the encapsulation of indocyanine green (ICG) and perfluoropentane (PFP) into cRGD peptide-functionalized nano-liposome. The resulting Lip-ICG-PFP-cRGD nanoparticle linked with cRGD peptide could actively targeted ID8 and TC-1 cells and elicits ROS-mediated apoptosis after triggered by low-intensity focused ultrasound (LIFU). Moreover, the phase change of PFP (from droplets to microbubbles) under LIFU irradiation can produce a large number of microbubbles, which act as intra-tumoral bomber and can detonate explode tumor cells by acoustic cavitation effect. Instant necrosis of tumor cells further induces the release of biologically active damage-associated molecular patterns (DAMPs) to facilitate antitumor immunity. More important, the ‘nanobomb’ in combination with anti-PD-1checkpoint blockade therapy can significantly improve the antitumor efficacy in a subcutaneous model. In addition, the liposomes may also be used as an imaging probe for ultrasound (US) imaging after being irradiated with LIFU. In summary, the US imaging-guided, LIFU activated ROS production and explosion ‘nanobomb’ might significantly improve the antitumor efficacy and overcome drug resistance through combination of SDT and immunotherapy, we believe that this is a promising approach for targeted therapy of solid tumor including ovarian cancer.     

miR-4324与Talin2在乳腺癌中高表达

目的 探讨miR-4324对踝蛋白2(Talin2)调控和乳腺癌细胞的影响及临床意义。方法 利用免疫组化法检验Talin2在乳腺癌组织（BCT）和对应癌旁乳腺组织（PCBT）的表达,结合病理资料分析Talin2与乳腺癌预后及病理特征间的关联;qRT-PCR法测定miR-4324在BCT和PCBT的表达;人乳腺癌细胞株（SKBR-3）体外培养,分为Control对照组（正常培养)及相关转染组（转染相关片段）：miR-4324 mimics组;miR-4324 inhibitor组;miR-4324 NC组;si-Talin2组;miR-4324 inhibitor+si-Talin2组。通过细胞增殖、凋亡、迁移和侵袭实验,检测SKBR-3的生物学活性改变;通过qRT-PCR及Western-blot实验测定Talin2的表达;利用荧光素酶活性实验验证miR-4324对Talin2靶向表达;利用Transwell回复实验验证miR-4324调控Talin2影响SKBR-3细胞的迁移能力。结果 Talin2在BCT中的表达高于PCBT,并与淋巴结转移、HER-2的高表达有关（P<0.0...     

先天性巨大冠状动脉右室瘘的介入治疗

目的 探讨经导管法封堵先天性巨大冠状动脉瘘的技术方法及其有效性与安全性.方法 对1例先天性粗大、迂曲右冠状动脉右室瘘患者进行经导管封堵治疗.选择性冠脉造影后,建立动-静脉轨道,再沿轨道钢丝经股静脉送人长鞘经瘘口至右冠状动脉,沿鞘管将动脉导管未闭封堵器置于右冠状动脉瘘口处,确定封堵器位置合适后将其完全释放.结果 瘘口完全堵闭,术后无并发症,复查心脏超声示各心腔内径缩小.结论 对迂曲、粗大的冠状动脉瘘,用国产器械经导管封堵治疗安全、有效.