可抑制的

Porphyrin nitrogen mustard has distinctive effect on the synthesis of DNA and photodynamic anti-tumor activity.

卟啉氮芥可显著抑制人肝癌细胞SMMC7721DNA的合成；对人肝癌细胞SMMC7721有显著的光动力抑制作用，可破坏肿瘤细胞的细胞膜，抑制肿瘤细胞DNA的合成。

Results: Of 59 superficial bladder cancer samples, sensitivity tests were successfully performed in 45 samples, and the others failed, the successful rate was 76.3%.Diversity of inhibiting rates of antitumor drugs was observed in samples from different individuals. Except MTX in stage of G1 and G3, no correlation has been found between the phenotype of sensitivity assay and the pathological grade and stage. Sensitivity and mean inhibiting rates of antitumor drugs in the primary group were notedly higher than that in the recurrent group.The combination of two therapy agents, which have different mechanisms or different cell-cycle targets, showed significantly more sensitivity and higer mean inhibiting rates than single one in superficial bladder cancer in different individuals.

结果：14例失败，45例获得成功，总体可评价率为76.3％，不同抗癌药物对不同个体膀胱癌的抑制率存在明显差异；除MTX对膀胱癌G1和G3级平均抑制率差异有统计学意义外，其它抗癌药物对不同个体膀胱癌细胞的平均抑制率与膀胱癌的病理分级、分期均无关；抗癌药物对初发膀胱癌的敏感率和平均抑制率均高于复发膀胱癌；两种不同作用机制的抗癌药物联合应用对不同个体膀胱癌细胞的敏感率和平均抑制率均高于单一药物，二者敏感率和平均抑制率差异有统计学意义。

The group disposed by Acetylspiramycin doesn"t show parallel results; The strip gray scale of exotoxin A decreased gradually with the increasing dosages of Azithromycin and Roxithromycin, which doesn"t show in group disposed by Acetylspiramycin and group PAO-JP2; The strip gray scale of lasR, detected by RT-PCR, decreased gradually with the increasing dosages of Azithromycin, which doesnt show in group PAO-JP2.Conclusions: There were obvious differences between PAO1 and PAO-JP2 in biology characteristics in vitro.

本研究发现大环内酯类药物在生物被膜培养过程中分别处理PAO1、PAO-JP2，结果提示大环内酯类药物(14、15元环)通过对QS系统的影响可有效抑制铜绿假单胞菌生物被膜的形成；通过QS系统有效抑制铜绿假单胞菌的毒力因子的产生，16元环的大环内酯类药物乙酰螺旋霉未见上述结论；lasR基因的反转录结果提示阿奇霉素可在转录水平抑制QS系统发挥其作用。

DCs acquired by our reformed methods express both CD83 and CD 14 molecules highly, and have a higher density than other domestic reports. The higher TNF in DCs culture medium of HC patient suggests DCs in patient still have antigen presenting ability and by optimization the culture medium would improve its presenting ability and have a potential value in design and application individual vaccine. Although antigens pulsed DCs have a decrescent antigen presenting ability but BCG HSP70 could induce its mature and improve its presenting ability. Suggests BCG HSP70 would be a useful mature inducer. Lymphocytes primed by DCs based HC vaccine have the specific cytotoxicity against HCC lines. The CTL after freezing and anabiotic could prophylaxis and therapy HC xenograft on nude mouse. The results also suggests that CD4〓 lymphocytes play a important role in HC with a good differentiation and would be useful in treatment this kind of HC. After being activated by Peptide LLNQHACAV of hAFP and apoptotic HCCs pulsed DCs respectively, the culture medium of activated lymphocytes both contains a high level Th1 cytokines IL-12 and TNF. Primed lymphocytes appeared a characteristic of NK cells. DCs not only inhibited the growth of human HCC and other cancer cells in vitro but also prevented the growth of HC xenograft on nude mouse in vivo. There are at least three kinds of mechanism playing important role in DC based vaccine ,there are inhibition of DCs, HC specific CTL and cytokines pathway.

诱导出的DC共同表达CD83和CD14分子，CD83分子表达明显高于国内报道；肝癌患者DC培养上清中TNF水平高于健康人，提示肝癌患者DC仍具一定的抗原呈递能力，适当调控可使其行使APC功能，以期在肝癌个体化疫苗中发挥作用；DC负载肝癌可溶性抗原后，抗原呈递能力降低，BCG HSP70可促进DC成熟，增加其抗原呈递能力，预示BCG HSP70有可能成为促进DC活化和成熟的另一重要分子；肝癌DC疫苗在体外诱导肝癌特异性淋巴细胞，活化的淋巴细胞在体外对肝癌细胞的杀伤以特异性CTL为主，同时分泌较高水平Th1型细胞因子IL-12和TNF，并抑制4种肝癌细胞生长；冷冻复苏后的肝癌特异性淋巴细胞可以预防和抑制人肝癌裸鼠皮下移植瘤，提示DC负载肝癌可溶性抗原后诱发的MHC-Ⅱ类限制性CD4〓T细胞有可能在分化程度高的肝癌治疗中发挥作用；用DC和HLA-A2〓DC分别负载凋亡肝癌细胞和hAFP218-226位LLNQHACAV HLA-A2限制性九肽，在体外诱导肝癌特异性淋巴细胞，活化后的CTL细胞分泌较高水平的Th1型细胞因子IL-12和TNF，并具较强杀伤活性，此CTL同时具备NK细胞特征；DC对肿瘤细胞的抑制作用可能是通过吞噬实现的，Fas-L在DC抑制中也起一定作用；DC对人肝癌裸鼠皮下移植瘤的抑制率为97％；在肝癌DC疫苗的作用中，至少联合3种以上机制，即通过DC的直接作用、肝癌特异性CTL和细胞因子途径直接或间接地杀伤和抑制肝癌细胞。

objective effects of plant tannins,chebulinic acid and tellimagrandin i on chemically induced hemoglobin synthesis in k562 cells were investigated.methods the hemoglobin synthesis situation was assayed with benzidine staining.erythroid antigens glycophorin a expression on the surface of k562 cells was labeled by direct immunofluorescence using fluorescein isothiocyanate-conjugated anti-gpa antibodies.then flow cytometric analysis was performed to detect gpa expression levels on surface of the cells.results both chebulinic acid and tellimagrandin i could inhibit the hemoglobin synthesis of butyric acid and hemin-treated k562 cells in a concentration-dependant manner.however,the ba-induced k562 cells were more sensitive to two tannins than heroin-induced cells.conclusion chebulinic acid and tellimagrandin i have inhibitory effect on the erythroid differentiation.

目的 研究可水解单宁诃子酸和特里马素i对氯化高铁血红素和丁酸钠诱导k562细胞红系分化的影响。方法四甲基偶氮噻唑蓝法分析诃子酸和特里马素i对k562细胞生长的影响，联苯胺染色法检测血红蛋白合成情况，应用免疫荧光和流式细胞术检测血型糖蛋白a在细胞表面的表达。结果诃子酸和特里马素i在0.04～0.09？mmol／l浓度下均可显著抑制k562细胞的生长增殖。2种单宁化合物(0.002～0.01？mmol／l)可显著抑制丁酸钠诱导的k562细胞血红蛋白合成，2种单宁化合物(0.01～0.05？mmol／l)还可显著抑制氯化高铁血红素诱导的血红蛋白合成，特里马素i(0.01？mmol／l)还抑制丁酸钠诱导的gpa在细胞表面表达。结论诃子酸和特里马素i对红系分化有抑制作用。

It indicates that the raw materials can be stored in temperature of 0-4℃ for 60 days, they must be immersed in clean water for more than one hour before processing, and peeling be carried out in flowing water; that color preserving solution should be 1.0% NaCl+0.2% citric acid+0.5% Vitamin C+110ppm dichloro isocyanuric acid sodium; that combined browning inhibiting solution is conspicuously effective, and immersion time better be around 20 minutes; that sterilization solution ought to be 200ppm dichloro isocyanuric acid sodium+0.5% ascorbic acid+0.3 citric acid, and 10 minutes' immersion will achieve the effect of sterilization and inhibiting browning; and that after 20-21 minutes of quick-freezing in temperature of -31℃~-32℃, the products can be preserved under -18℃ for a whole year.

通过对速冻牛蒡加工过程中原料储存、削皮方法、护色、浸泡时间、无热杀菌、包装形式等参数进行研究表明：原料0-4℃可储存60天，加工前用清水浸泡1小时以上，削皮时在流水中进行，护色液筛选的1.0% NaCl＋0.2%柠檬酸＋0.5%维生素C十110ppm二氯异氰脲酸钠；复合褐变抑制溶液在抑制褐变方面有显著的效果，浸泡处理时间为20分钟为宜；杀菌液为200ppm二氯异氰脲酸钠＋0.5%抗坏血酸＋0.3柠檬酸，浸泡10分钟即可达到灭菌和抑制褐变的作用；经-31℃~-32℃温度下速冻20~21分钟，产品在-18℃条件下可储存一年。

Results:(1) FSN can inhibit secondary joints swelling and multi-arthritis evidently, improve the whole condition of rats; at the same time, it can also lighten the synovial inflammation and hyperplasia of lesion joints distinctly, and prevent the joint cartilage and bone from destruction; the collective efficiency of FSN is better than TWP.(2) FSN can raise AA rats low LTT of spleen to normal nearly, remedy the disorder of Th / Ts and Thl / Th2 cells balance in peripheral blood, restrain exorbitant TNF- a ? IL-1 produced by PM O , thereof exert anti-inflammatory and immunoregulation effect.(3) Inside the lesion joints, FSN can depress abnormal hyper-expression of TNF- a mRNA and NF-kB in synovial tissues, as well as advance the expression of Caspase-3 (a proteolytic enzyme of apoptosis), reduce synovial immflamination and proliferation.(4) FSN can lower the expression of VEGF in synovial tissue,reduce neogenetic veins, so inhibit the growth of pannus tissue and the damage of cartilage and bone by that.(5) The above effect of FSN are in proportion to its dosage.Conclusions: FSN has inhibitory effects on symptom and condition of experimental RA, which is better than TWP as a whole.

结果：(1)FSN有明显的抗炎作用，可显著抑制AA大鼠足跖肿胀与多关节炎，改善大鼠的全身情况，同时明显减轻病变关节滑膜炎症与增生，防止关节软骨及骨质的破坏，其综合作用优于TWP；(2)FSN还能使AA大鼠低下的脾LTT恢复至接近正常，纠正外周血中T细胞亚群Th／Ts及Th1／Th2平衡紊乱，抑制大鼠PHφ过高的TNF-α、IL-1分泌，而发挥抗炎和免疫调节作用；(3)在病变关节局部，FSN能显著抑制AA大鼠滑膜细胞异常增高的TNF-αmRNA的表达，降低滑膜组织中NF-kB表达，并增加凋亡蛋白酶Caspase-3表达，从而抑制滑膜的炎症与增殖；(4)FSN还可下调滑膜组织中VEGF表达，减少血管新生，由此抑制血管翳的形成及其对软骨和软骨下骨的侵蚀；(5)FSN的上述作用皆呈现一定的量效依赖关系，高剂量组作用优于低剂量组。

FSN can raise AA rats low LTT of spleen to normal nearly, remedy the disorder of Th/Ts and Th1/Th2 cells balance in peripheral blood, restrain exorbitant TNF-α、IL-1 produced by PMφ, thereof exert anti-inflammatory and immunoregulation effect.(3) Inside the lesion joints, FSN can depress abnormal hyper-expression of TNF-αmRNA and NF-kB in synovial tissues, as well as advance the expression of Caspase-3 (a proteolytic enzyme of apoptosis), reduce synovial immflammation and proliferation.(4) FSN can lower the expression of VEGF in synovial tissue, reduce neogenetic veins, so inhibit the growth of pannus tissue and the damage of cartilage and bone by that.(5) The above effect of FSN are in proportion to its dosage. Conclusions: FSN has inhibitory effects on symptom and condition of experimental RA, which is better than TWP as a whole.

结果：(1)FSN有明显的抗炎作用，可显著抑制AA大鼠足跖肿胀与多关节炎，改善大鼠的全身情况，同时明显减轻病变关节滑膜炎症与增生，防止关节软骨及骨质的破坏，其综合作用优于TWP；(2)FSN还能使AA大鼠低下的脾LTT恢复至接近正常，纠正外周血中T细胞亚群Th/Ts及Th1/Th2平衡紊乱，抑制大鼠PMφ过高的TNF-α、IL-1分泌，而发挥抗炎和免疫调节作用；(3)在病变关节局部，FSN能显著抑制AA大鼠滑膜细胞异常增高的TNF-αmRNA的表达，降低滑膜组织中NF-kB表达，并增加凋亡蛋白酶Caspase-3表达，从而抑制滑膜的炎症与增殖；(4)FSN还可下调滑膜组织中VEGF表达，减少血管新生，由此抑制血管翳的形成及其对软骨和软骨下骨的侵蚀；(5)FSN的上述作用皆呈现一定的量效依赖关系，高剂量组作用优于低剂量组。

Mg/ kg way partially inhibited by L- NAME,or by sodium orthovanadate(50 ug/ kg),a potent inhibitor of protein tyrosine phosphatase;(2)genistein also decreased the PP of renal vascular bed in a dose-dependent manner and the effect of genistein was completely inhibiteby pretreatment with sodium orthovanadate,but unaffected by L- NAME;and(3 genistein decreased the PP of mesenteric vascula bed in a dose-dependent manner,an effect which was partially inhibited by sodium orthovanadate,but unaffected by L- NAME .

mg/ kg引起的效应；(2)向肾血管灌注环路中直接注射GST也可剂量依赖性地降低肾动脉的灌流压，预先注射正钒酸钠可完全抑制GST引起的效应，而L- NAME对此效应没有影响；(3)肠系膜血管灌流环路中注射GST可剂量依赖性地降低其灌流压，这一效应可被正钒酸钠部分抑制，而L- NAME对此无影响。

Bipolaris sorokiniana may affect turf grass to cause leaf spot, bud rot, seedling blight, root rot, sheath rot. The temperature range of colony growth is 10～40℃, the optimum 25℃. Conidia can germinate in the temperature range of 20～35℃, and germinate best at 28℃; Conidia germinate well on slide water surface, contrary to other different methods, and they can germinate well under given air condition, but germination is not strict with nutrition. The inhibiting test of 8 kinds of fungicide showed Sporgon 50WP was most effective, and the inhibiting effect of the others was well to the conidia germination.

Bipolaris sorokiniana能浸染草坪禾草叶片形成梭形病斑，并可导致芽腐、苗枯、根腐、茎基腐、鞘腐等症状；病原菌在10～40℃下能够生长，最适生长温度为25℃；病原菌分生孢子在不同萌发条件中以水平萌发较好；分生孢子萌发需要空气条件，但对营养要求不严格；在20～35℃下分生孢子均可萌发，以28℃下萌发最好；八种不同药剂对病原菌的抑制效果表明，50%施保功可湿性粉剂1500倍液效果较好，其抑菌圈直径和抑制分生孢子萌发率分别为46.2mm和81.3%，其他几种药剂对孢子萌发也有较好的抑制作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。