氟哌酸粉在大小便失禁患者皮肤护理中的应用

目的 探讨大小便失禁及腹泻病人的皮肤护理方法.方法 将40例肛周、会阴部皮肤发红、糜烂的病人随机分为实验组和对照组,实验组采用氟哌酸粉进行护理,对照组采用紫草油护理.结果 两组患者的疗效比较,差异有显著意义,实验组疗效优于对照组,平均愈合时间实验组短于对照组(P<0.05).结论 应用氟哌酸粉对大小便失禁、腹泻病人进行皮肤护理.能有效促进失禁性皮炎、糜烂愈合;减轻病人痛苦;减少并发症;操作简单,易于掌握.     

紫草的药理活性与临床应用研究进展

本文对近年来紫草在化学成分、药理作用及临床应用等方面的研究作了全面的阐述,可作为今后紫草研究的参考。     

泰山紫草和新疆紫草挥发油成分的GC-MS分析

目的:分析比较泰山紫草与新疆紫草干燥根的挥发油成分。方法:用水蒸气蒸馏法提取泰山紫草与新疆紫草干燥根挥发油,用气相色谱-质谱(GC-MS)联用法进行分析测定。结果:从泰山紫草与新疆紫草干燥根挥发油中分别鉴定出34种和36种成分,占挥发油色谱总峰面积的70.16%和74.79%,其中共有组分为4种。泰山紫草挥发油中相对质量分数较高的组分为2,6-二叔丁基对甲酚(9.29%)、2,4-二叔丁基-1,3戊二烯(8.17%)和反式橙花叔醇(6.05%);新疆紫草中相对质量分数较高的组分为诱虫烯(16.28%)、3-烯丙基-2-甲氧基苯酚(6.20%)与樟脑(5.82%)。结论:本试验可为紫草的进一步开发和利用提供科学根据。     

紫草多糖对S_(180)荷瘤小鼠红细胞膜流动性与带3蛋白的影响

目的:观察紫草多糖对S180荷瘤小鼠瘤重、红细胞膜流动性和带3蛋白含量的影响。方法:采用荧光探针DPH标记法测定红细胞膜的荧光偏振度P,计算微黏度(η)与膜脂流动性(LFU);电泳法测定红细胞膜带3蛋白含量。结果:紫草多糖中剂量组抑瘤率达43.05%;且各剂量组对红细胞膜膜脂流动性、带3蛋白均有影响,以中剂量组效果最佳,与对照组相比P<0.01,P<0.05。结论:紫草多糖通过影响荷瘤小鼠红细胞膜流动性和带3蛋白恢复红细胞的正常功能发挥其抗肿瘤作用。     

Clinical Effects of Lithospermum Ruderale Dosage and Using-time on Medicinal Abortion Induced by Mifepristone and Misoprostol

Medicinal abortion with mifepristone and misoprostol has been widely used andaccepted in clinical practice. However,there are still some shortcomings such as thecomparatively highly incomplete abortion rate( 5～ 7% ) and long-term vaginal bleed-ing[1 ,2 ] .We have used Lithospermum Ruderale in medicinal abortion,which wasfound,to some extent,to be able to increase the complete abortion rate and shortenthe vaginal bleeding time[3 ] . In order to approach the appropriate and reasonabledosage an…     

复方大黄煎剂联合紫草油治疗压疮疗效观察

目的探究复方大黄煎剂联合紫草油治疗压疮的疗效。方法选择2015年8月—2015年12月在我院接受诊治的压疮患者64例,随机将其分为观察组和对照组,每组32例。对照组行常规治疗,观察组行复方大黄煎剂联合紫草油治疗。观察两组患者痂皮脱落、创面愈合,新生肉芽生长等情况。结果两组患者经治疗后病情均见明显好转,但观察组相较对照组,痂皮脱落及新生肉芽出现速度更快,愈合时间更短,差异显著(P0.05)。结论相比传统压疮治法,复方大黄煎剂联合紫草油具有更好的治疗效果。     

紫草宁生物合成相关的代谢酶及基因

紫草是一种重要的中草药材，其培养细胞在M9培养基中可以大量生产主要的药物成分紫草宁。本文主要论述了在紫草细胞中与紫草宁形成相关的代谢酶和基因方面取得的研究进展，分别讨论了这些代谢酶和基因克隆的功能及表达特性，对植物次生代谢、紫草宁次生药物的生产调控及其代谢工程等研究具有重要的意义。     

阿卡宁下调Trx/Akt通路诱导急性髓系白血病细胞凋亡的作用研究

目的 探讨新疆紫草Lithospermum erythrorhizon代表成分阿卡宁对急性髓系白血病细胞HL-60的抑制作用及机制。方法 取对数生长期HL-60细胞,采用台盼蓝法检测阿卡宁、紫草素处理后的细胞增殖抑制率;Hoechst 33258染色观察细胞形态;流式细胞仪检测细胞凋亡率;通过系统药理学方法筛选出阿卡宁以及急性髓系白血病（acute myeloid leukemia,AML）的共同靶点并分析得到关键靶点。通过邻苯二甲醛（o-phthalaldehyde,OPA）荧光探针法、差示扫描荧光分析实验在体外分子水平验证化合物与靶点的结合能力。通过Western blotting检测凋亡通路标志分子半胱氨酸天冬氨酸蛋白酶-3(cysteinasparate protease-3,Caspase-3)、cleaved Caspase-3、B淋巴细胞瘤-2(B-cell lymphoma-2,Bcl-2)、Bcl-2相关X蛋白（Bcl-2associated X protein,Bax）蛋白表达。结果 阿卡宁呈剂量相关性抑制HL-60细胞增殖。Hoechst染色后荧光显微镜下可见阿卡...     

In vitro and in vivo anticancer effects of Lithospermum erythrorhizon extract on B16F10 murine melanoma

Ethnopharmacological relevance

Lithospermum erythrorhizon has long been used in traditional Asian medicine for the treatment of diseases including skin cancer. In this study, hexane extract from the roots of Lithospermum erythrorhizon (LEH) was chemically characterized and its anticancer activity was tested against the most aggressive form of skin cancer.

Materials and methods

The in vitro anticancer studies viz. cell growth, cell cycle and apoptosis, and the expression of tumor regulating proteins were analyzed against B16F10 melanoma cells. In addition, C57BL/6 mice models were used to evaluate the in vivo anticancer potential of LEH. Mice were intraperitoneally injected with LEH at doses of 0.1 and 10 mg/kg every 3 days. The tumor inhibition ratio was determined after 21 days of treatment and the histopathological analyses of the tumor tissues were compared. Further, LEH was purified and its active compounds were structurally elucidated and identified by NMR spectra and quantified by HPLC analyses.

Results

LEH effectively inhibits the growth of melanoma cells with an IC₅₀ of 2.73 μg/ml. Cell cycle analysis revealed that LEH increased the percentage of cells in sub-G1 phase by dose dependent manner. LEH exhibited down regulation of anti-apoptotic Bcl-2 family proteins and up regulation of apoptotic Bax protein expression. Importantly, LEH induced cleavage of poly (ADP-ribose) polymerase (PARP) and activated the caspase cascade (caspase 3) with this cleavage mediating the apoptosis of B16F10 cells. LEH treatment at a dose of 10 mg/kg for 21 days in experimental mice implanted with tumors resulted in significant reduction of the tumor growth (43%) and weight (36%). Histopathology analysis of LEH treated tumor tissues showed evidence of increased necrotic cells in a concentration dependent manner. Meanwhile, five naphthoquinone compounds [Shikonin (1); Deoxyshikonin (2); β-Hydroxyisovalerylshikonin (3); Acetylshikonin (4) and Isobutyrylshikonin (5)] were purified from LEH and responsible for its anticancer activity.

Conclusion

LEH induced apoptosis in B16F10 cells by activation of caspase 3 and inducing sub-G1 cell cycle arrest. LEH exhibited both in vitro and in vivo anticancer activity. Shikonin derivatives in the LEH are responsible for the anticancer activity.