白细胞介素-2加抗癌药物腔内注射治疗癌性胸腹水的临床观察

观察了白细胞介素┐２（ＩＬ┐２）腔内注射治疗的癌性胸腹水。方法４９例患者其中２１例合并腔内应用抗癌药物。２８例单用ＩＬ┐２。结果单纯应用ＩＬ┐２组ＣＲ＋ＰＲ６例，占２１．４％；合用抗癌药物组ＣＲ＋ＰＲ１１例，占５２．４％；二组差异显著（Ｐ＜０．０５）。结论ＩＬ┐２对癌性胸腹水具良好作用，尤其是抗癌药物合并应用疗效显著。胸。

低剂量白细胞介素-2联合化疗治疗恶性胸水

低剂量白细胞介素┐２联合化疗治疗恶性胸水胡冰庄建生张万亨林新民季楚舒胡长路江丰收徐腾云陈曼萍关键词白介素２／治疗化学，药物胸膜积水，恶性灌注法作者单位：安徽省立医院肿瘤科（合肥２３０００１）自１９９４年以来我科开始应用低剂量白细胞介素２（ＩＬ－２）联...

Anticancer Activities of Substituted Cinnamic Acid Phenethyl Esters on Human Cancer Cell Lines

Caffeic acid phenethyl ester (CAPE) and sixteen substituted cinnamic acid phenethyl esters were prepared via conventional procedures in order to test their in vitro anticancer activities by either MTT assay or SRB assay on six different human cancer cell lines. The results indicated that in the concentration of 10 μmol·L -1 the lead compound CAPE possessed anticancer activities against human HL 60, Bel 7402, and Hela cell lines, and two other compounds possessed potent anticancer activities against Bel 7402 and Hela cell lines.

Total Synthesis of Anisodine

Aim To design a practical synthetic route of anisodine. Methods Starting from3α-hydroxy-6β-acetyltropine, anisodine was synthesized in 11 steps. Result Anisodine wasobtainded with an overall yield of 2.6 % . Conclusion Total synthetic route of anisodine wasachieved which may afford a possible route for commercial preparation of anisodine.

ISOFLAVONES FROM ASTRAGALUS MEMBRANACEUS

Two new isoflavones (8, 3'-dihydroxy-7,4'-dimethoxyisoflavone, odoratin-7-0-[3-D-glu-copyranoside) and four known isoflavones (formononetin, 7,3'-dihydroxy-8,4'-dimethoxyisoflavone, calycosin, calycosin-7-0-(3-D-glucopyranoside) were isolated from the roots of Astragalus mem-branaceus (Fisch.) Bunge. Their structures were established by spectral analysis.

恶性肿瘤瘤内或瘤周注射IL-2的近期疗效

恶性肿瘤瘤内或瘤周注射ＩＬ┐２的近期疗效姬忠义１张汉祥１孙岩２关键词ＩＬ┐２／治疗肿瘤注射，病灶内化学，药物我院临床应用ＩＬ－２已有５年历史，近年来作者单纯应用重组ＩＬ－２或加其他药物在晚期肿瘤患者中，对具原发灶，复发灶和转移灶进行局部瘤内或瘤周注射...

Application of Biological Pesticides in Medicinal Plants

At present, the excessive application of traditional chemical pesticides, serious pesticide residue pollution and destruction of the ecological balance in China have become important factors affecting the quality and safety of medicinal material. Biological pesticides are rapidly developed due to their characteristics of high efficiency, low toxicity and residue. This study aimed to introduce the specific property of biological pesticides, review the classification of biological pesticides and their application in medicinal plants, analyze the problems in the production and utilization process of biological pesticides, and forecast the developmental prospect.

Flow injection chemiluminescence determination of meloxicam using potassium permanganate and formaldehyde system

A simple, rapid and sensitive flow injection chemiluminescence （FI-CL） method has been developed for the determination of meloxicam. The method is based on the CL-emitting reaction between meloxicam and potassium permanganate in a hydrochloric acid medium, enhanced by formaldehyde （HCHO）. Under optimum conditions, calibration curve over the range of 1.0-20.0μg/mL was obtained. The proposed method was successfully applied to the determination of meloxicam in capsules with no evi- dence of interference from common excipients. The detection limit of this method was 25.6 ng/mL. The relative standard deviation was 2.1% for 10.0 μg/mL meloxicam. The sample throughput was found to be 120 samples/h.

化疗与白介素-2联合肺动脉灌注治疗晚期肺癌

探讨提高化疗药物与免疫制剂联合灌注治疗晚期肺癌疗效的方法。方法作者对３９例晚期肺癌进行选择性肺动脉插管化疗药物和免疫制剂联合灌注治疗，并与选择性支气管动脉插管用药组相对照。结果治疗组对原发性肺癌的有效率为５５．５％，低于对照组的７５％。而对转移性肺癌的有效率为５０％，高于对照组的３８％。结论选择性肺动脉内化疗药物与免疫制剂灌注对治疗晚期肺癌有一定疗效。

The Alkaloids from Leaves of Croton hemiargyerius var. gymnodiscus

Aim Investigation of alkaloids from the leaves of Brazilian medicinal plantCroton hemiargyerius var. gymnodiscus. Methods Silica gel column chromatography was used repeatedlyfor the isolation and purification, and their structures were identified by extensive spectroscopyand comparison of the chemical and physical data with those of authentic samples reported inliterature. Results Twelve alkaloids were isolated and their structures were identified. ConclusionFour new alkaloids named hemiargines A (1), B (5), C (6) and D (7), together with eight knownalkaloids namely isoc-orydine (2), corydine (3), norcorydine (4), salutaridine (8), glaucine (9),tetrahydropalmatrubine (10), xylopinoine (11), and norlaudanosine (12) were isolated.

~1H and ^(13)C NMR Assignments for Amlodipine and Risperidone

Aim To investigate the NMR spectroscopy of amlodipine and risperidone.Methods 1D NMR and 2D NMR experimental techniques of gCOSY, gHSQC and gHMBC were wsed. Results Theassignments of the ~1H and ^(13) C NMR data for the two drugs were performed and confirmed by theevidence of J_(HF) and J_(CF). Conclusion The structures of amlodipine and risperidone wereconfirmed by careful analysis of regular 1D and 2D NMR spectroscopy.

New Xanthones from Swertia decora

From the CHCl3 part of Swertia decora Franch., a traditional medicinal herb of China, two new xanthones, swertiadecoraxanthone-I and swertiadecoraxanthone-II along with four known compounds have been isolated and identified on the basis of spectral analysis and chemical evidence.

Cytochrome P450 Directed Prodrug Activation Therapy in Research of Cancer Enzymology

Cancer enzymology is a promising filiation of bio-medical sciences. In thepast decades, enzymes, such as GST(glutathione S-transferase) , PKC(protein kinase C) , Topo(DNAtopoisomerases), TK(tyrosine kinase), CD (bacterial cytosine deaminase), CPG2(carboxypeptidase G2) ,and PNP (purine nucleoside phosphorylase), have been known to bear close relations to cancer. Theirspecific expression and influence on the process of tumor initiation, promotion and progressionattract scientists to apply them as a biochemical marker of certain malignant tumor, a predictor ofresponse in cancer chemotherapy; to apply them to drug design, tumor prevention and as adjuvant toradiotherapy or surgery.

Bovine Serum Albumin (BSA) Microspheres Containing Methotrexate (MTX) I.Pharmaceutical Aspects

Microspheres Ⅰ,Ⅱ and Ⅲ were produced by emulsion technique.Microsphere I was solidified by glutaraldehyde crosslinking,microsphere Ⅱ was solidified by glutaraldehyde crosslinking and further treated with glycine solution and microsphere Illwas solidified by heating denaturation only.The results showed that the microsphere diameter produced by cross[inking was bigger than that prepared by heating.The microsphere Ⅱ had higher hydrophilicity than Microsphere I had.The methotrexate (MTX) contents in microspheres Ⅰ and Ⅱ were 2.73±0.053%,2.87±0.119% respectively. microsphere Ⅲ was only blank microspheres with MTX adsorbed on their surfaces.In vitro release studies,microspheres I and I have maintained sustained release of MTX till the next day,it was found that the drug releases from microspheres Ⅰ and Ⅱ were governed by Higuchi diffusion law.

Preparation of low molecular weight Sargassum fusiforme polysaccharide and its anticoagulant activity

Heparin has been used as an anticoagulant drug for many years, but it has significant side ef fects. In the search for good substitutes, low molecular weight(MW) polysaccharides from S argassum fusiforme have been examined and confi rmed to possess biological activities. Here, S. fusiforme polysaccharides(SFP) were extracted and subjected to a hydrogen peroxide(H_2O_2) oxidation method for the preparation of low-MW SFP(LSFP). The effects of temperature, pH, and H_2O_2 concentration on the degradation process were also examined. Several LSFP of 36, 9, 5.7, and 2.7 kDa were obtained under different conditions, and their anticoagulant activities studied in vitro. The results showed that SFP and LSFP prolonged activated partial thromboplastin(APTT), prothrombin(PT) and thrombin times(TT) significantly, indicating that these low MW polysaccharides possessed anticoagulant activity in the intrinsic, extrinsic, and common coagulation pathways. As these ef fects were related to the MW of the polysaccharides in APTT and TT but not in PT, the contents of the monosaccharide fucose and sulfate and the polysaccharide MW could have exerted combined ef fects. The details of this mechanism require further verifi cation.

Importance of performance status for treatment outcome in advanced pancreatic cancer

Despite progress in the treatment of advanced and metastatic pancreatic cancer （PC）, the outcome of this disease remains dismal for the majority of patients. Given the moderate efficacy of treatment, prognostic factors may help to guide treatment decisions. Several trials identified baseline performance status as an important prognostic factor for survival. Unfit patients with a Kamofsky performance status （KPS） below 70% only have a marginal benefit from chemotherapy with gemcitabine （Gem） and may often benefit more from optimal supportive care. Once, however, the decision is taken to apply chemotherapy, KPS may be used to select either mono- or combination chemotherapy. Patients with a good performance status （KPS = 90%-100%） may have a significant and clinically relevant survival benefit from combination chemotherapy. By contrast, patients with a poor performance status （KPS ≤ 80%） have no advantage from intensified therapy and should rather receive single-agent treatment.

Froth flotation of scheelite – A review

Froth flotation of scheelite has regained new focus since the 2010s and research regarding floatability and reagents has made great progress over the years. The main objective was and remains the selective flotation of scheelite from other calcium-bearing minerals, in particular calcite, fluorite and apatite. Due to similar properties, most attempts have limited success or only specific application(linked to a type of ore or a location). This article aims at reviewing all general physical-chemical information on froth flotation of scheelite, including electrokinetic properties, influence of p H and already existing reagents as well as ones still under examination. It appears that chelating or mixed collectors and modified versions of sodium silicate and quebracho hold great promise for scheelite flotation, while the use of said depressants and/or promoters seems inevitable.

Iridoid Glycosides from Buddleja lindeyana

Aim To study the chemical constituents of Buddleja lindeyana. Methods The constituents were separated and purified by different methods of chromatography, and their structures were elucidated by IR, MS and NMR. Results Three iridoid glycosides and two other compounds were isolated from Buddleja lindeyana. Their structures were elucidated to be 6-O-feruloylajugol ( 1 ), erythro-6-oxo-4′-( 3-methoxyl-4-hydroxyphenylglycol-8')-feruloylaj-ugol ( 2 ), threo-6-oxo-4′-(3-methoxyl-4-hydroxyphenylglycol-8')-feruloylajugol ( 3 ), tetra-cosanoic acid 2,3-dihydroxypropyl ester (4), and galactitol (5). Conclusion All the compounds have been isolated from this plant for the first time. Compounds 1, 2 and 3 have protective effect agains MPP+ -induced apoptosis.

Effect of Four Pesticides on Controlling Autumn Cowpea Greenhouse Whitefly

In order to mitigate the occurrence and damage of cowpea whitefly, reduce chemical pesticide consumption, residue and environmental pollution, the methods of forecasting, randomized block design andstatistical analysis were used in field efficacy trials, to study the control effect of cowpea anthracnose by usingchemical pesticides dinotefuran, acetamiprid, pymetrozine, and bio-pesticide avermectin. The results showed that after applying 1.85% avermectin EC 375 g, 20% dinotefuran SP 600 g, 5% acetamiprid WP 600 g, and 25% pymetrozine WP 600 g （control pesticide） per hm2 once every 5-8 days, and 3 times continuously underserious autumn occurrence of greenhouse whitefly, the control efficacy was 90.9%, 97.0%, 88.0%, 93.9%respectively on the 7th day after the pesticides application; 97.4%, 92.1%, 84.2%, 89.4% respectively on the 14th day after the pesticides application; and 95.6%, 86.7%, 82.2%, 84.5%, respectively on the 20th day afterthe pesticides application. The control effects among avermectin, acetamiprid and pymetrozine were not significantly different, while the effects of avermectin and pymetrozine were significantly higher than that of acetamiprid on the 7th day. The control effects among avermectin, dinotefuran and pymetrozine were not significantly different, while significantly higher than that of acetamiprid on the 14th day. The control effect of avermectin was significantly higher than that of dinotefuran, acetamiprid and pymetrozine on the 20th day. Meanwhile, the control effect of avermectin was slightly lower, higher and much higher than that of dinotefuran on the 7th, 14th, 20th day respectively after the treatment. These results indicated that the four pesticides,especiaLly biopesticide avermectin, were ideal pesticides, which could not only be used for controlling cowpea whitefly, but also realize modern, green, organic and ecological agricultural production.

PACLITAXEL PLUS CARBOPLATIN FOR WOMEN WITH ADVANCED BREAST CANCER

Objective To evaluate the efficacy and safety of combination chemotherapy with paclitaxel and carboplatin for advanced breast cancer (ABC). Methods From January 2001 to March 2006, 45 patients with ABC were treated with combination chemotherapy of paclitaxel and carboplatin. Patients received infusion of paclitaxel 175 mg/m2 on day 1 every 3 weeks or 75 mg/m2 on day 1, 8, 15 every 4 weeks. Carboplatin was administrated on day 2 with a dose of area under the time-concentration curve (AUC) being 5. Results The median number of cycles was 3 (range, 2-6). The overall response rate was 62.2%. Median time to progression was 7.0 months (95%CI:5.1-8.9). Median overall survival was 29.0 months (95%CI: 20.1-37.9). One year survival rate was 73.3%. Response rate for first line and second line treatment were 62.1% and 62.5%, respectively. No significant difference in response existed between visceral metastasis and soft tissue metastasis. The main side effects included nausea/vomiting, neurotoxicity, and hematologic toxicities. Grade Ⅲ to Ⅳ adverse events included nausea/vomiting in 2 cases (4.4%), leukopenia in 17 cases (37.8%), and alopecia in 6 cases (13.3%). Conclusion Combination of paclitaxel and carboplatin is active in treatment of ABC with an acceptable toxicity profile.