1.Long-term clinical effectiveness of reformed nonperforating trabeculectomy
Qian-Yan, KANG ; Zheng-Rong, LUO ; Yong, LIU
International Eye Science 2006;6(1):13-15
AIM: To investigate the clinical effectiveness of reformed nonperforating trabeculectomy (NPT) in the patients with primary glaucoma.METHODS: 30 eyes of 21 patients with primary glaucoma patients underwent reformed NPT, in which 1.0mm3.0mm out layer of trabecular meshwork with Schlemm's canal was excised, but the innermost tissue was reserved. The clinical effectiveness was observed with short-term follow-up (1wk;1,6mo) and the long-term follow-up (1a and over, 10a the longest).RESULTS: The intraocular pressure (IOP) was controlled in 28 eyes (93%) without anti-glaucoma medicine during short-term follow-up, and in 27 eyes (90%)for long-term ones. There were no serious post-operative complications in all cases.CONCLUSION: The elevated IOP in patients with primary glaucoma can be effectively reduced by reformed NPT during short-term and long-term follow-up. The post-operative complications are much less because of no intra-operative penetration of the anterior chamber. The reformed NPT is an ideal surgical procedure for primary glaucoma.
2.Effects of Ramulus Uncariae et Uncus on body mass, food intake,serum glucose and total antioxidative ability of high-fat-fed obese rats
Rong LUO ; Long JIN ; Xuesong TIAN ; Yuling WEI ; Wei LI ; Tianzhen ZHENG ; Songyi QU
Chinese Journal of Tissue Engineering Research 2005;9(31):246-248
BACKGROUND: Ramulus Uncariae et Uncus can be used to treat many diseases of cardiovesculer and neurosystem by calming and protecting endothelium and neuron.OBJECTIVE: To study the effects of drinking water extracts of Ramulus Uncariae et Uncus on body mass, food intake, energy intakes, serum glucose, insulin, total antioxidative ability of high-fat-fed rats.DESIGN: A completely randomized and controlled experiment.SETTING: Institute of Physiology, Foundational Medical College of Lanzhou University.MATERIALS: The experiment which is Gansu Province Key Labor of Pre-clinical Research for Chinese Herbs & New Drugs was carried out at the Physiological Laboratory of Institute of Foundational Medical College of Lanzhou University from March 2003 to May 2003. Twenty-seven healthy male SD rats were randomly divided into the following three groups (9 rats each group): namely, the normal control group, the high-fat-fed group and the Ramulus Uncariae et Uncus group.METHODS: [1] The rats of control group were fed with referenced diets(Protein, fat and carbohydrate was made up fore18.2%, 4.5%, 55.2% respectively), while the rats of high-fat-fed and the Ramulus Uncariae et Uncus group were fed with high-fat diets in which protein, fat and carbohydrate accounted for 23.7%, 21.6%, 39.0% respectively. [2]The rats in control and high-fat group could drink water freely every day while the rats in Ramulus Uncariae et Uncus group drank freely one percent water extract of Ramulus Uncariae et Uncus at the first day of the experiment, later the concentration of Ramulus Uncariae et Uncus increased gradually to six percent at the sixth day, which lasted until the end of the experiment. [3]Food intake was monitored daily, and body mass weekly at set time, the energy intake was calculated on basis of food intake. We calculated the Lee's Index [(body mass)1/3 (g) × 103 / body length (cm)]. [4] At the end of the seventh week, all rats were fasted for twelve hours to collect blood for the measure of some serum items. The serum levels of glucose were determined with hexokinase. The levels of insulin was measured by Radioimmunology methods. Malondiadehyde was measured by thiobarbituricbased colorimetric assay. Total antioxidative ability and free fatty acid were evaluated by colorimetric assay. [5] The difference of quantity data among the tree groups were statistically analyzed by F analysis, while the difference between two groups was analyzed by LSD methods. The main indexes of the experiment were body mass, food intake, energy intake, serum glucose after fasting, insulin, free fatty acid, malondialdehyde and total antioxidative ability respectively.RESULTS: Twenty-seven rats date was analyzed and nine rats in every group. [1] Body mass: Compared with the high-fat-fed group, body mass in rats of the control group and the Ramulus Uncariae et Uncus group were less from the end of the third week to the end of the experiment (P < 0.05-0.01).As compared between the Ramulus Uncariae et Uncus group and the control group, there was no significant difference from the first week to the sixth week (P > 0.05), while the body mass of the former group was bigger than that of the latter at the end of the seventh week (P < 0.01). [2] Lee's Index of the rats in high-fat-fed group was significantly higher than those of the rats in the control and Ramulus Uncariae et Uncus group (P < 0.01).[3] Food intake: From the first week, compared with the control group, the food intake of rats in Ramulus Uncariae et Uncus group was less (P < 0.01)and lower than that in high-fat-fed group at the end of the third, fifth, sixth and seventh week, too (P < 0.05-0.01). [4] Energy intake: As the food was high-fat, the Energy intake of rats in the Ramulus Uncariae et Uncus group was higher than that of the control group at the end of the first, second and forth week (P < 0.05-0.01), while less than that of the high-fat-fed group at the end of the third, fifth, sixth and seventh week (P < 0.01). [5] The serum glucose: There was no statistical significance among the three groups. [6]The level of serum insulin and malondiadehyde of the rats in high-fat-fed group were higher than that of the control group and the Ramulus Uncariae et Uncus (P < 0.01). [7] The level of free fatly acid of rats in high-fat-fed group was higher than that of the control group (P < 0.05), while there wasno statistical difference compared with the Ramulus Uncariae et Uncus group. [8] The level of total antioxidative of the rats in high-fat group was lower than that of the Ramulus Uncariae et Uncus group (P < 0.01).CONCLUSION: [1] Drinking water extracts of Ramulus Uncariae et Uncus could inhibit the weight gain and food intake, [2] reduce level of free radical and insulin of serum, which could be caused by the dec lining of free fatty acid. [3] In the same time, increase the total antioxidative ability of the obese rats caused by high-fat diets.
3.Expression and significance of HOXA10 gene in the eutopic and ectopic endometrium of endometriosis
Kaixian DENG ; Xiaochun LIU ; Yuhua ZHENG ; Luqin HU ; Runhuan LUO ; Rong QIANG
Chinese Journal of Obstetrics and Gynecology 2011;46(11):813-816
Objectives To investigate the expression and clinical significance of HOXA10 gene in the eutopic and ectopic endometrium of endometriosis.Mehtods Between Jan.2009 to Aug.2010,30 patients with endometriosis undergoing laparoscopic surgery in Maternal and Children's Hospital of Foshan.Eutopic and ectopic endometrium were obtained.In the mean time,30 patients with benign ovary cyst or tubal infertihty undergoing laparoscopic surgery were selected as controls.Their uterine endometrium were obtained real-time fluorescent quantitation,western blot and immunohistochemistry technique were used to detect mRNA and protein expression of HOXA10 gene in the eutopic endometrium group,ectopic endometrium group and control group.Results The mRNA and protein expression of HOXA10 gene were 0.61 ±0.07 and 0.47 ±0.05 in the eutopic endometrium of endometriosis,0.64 ±0.06 and 0.50 ±0.05 in ectopic endometrium of endometriosis,which were significantly lower than 1.22 ± 0.14 and 1.42 ± 0.14 in control group ( P < 0.01 ).However,the mRNA and protein expression of HOXA 10 between eutopic and ectopic endometrium of endometriosis did not reach statistical difference ( P > 0.05 ).The expression of HOXA10 in eutopic and ectopic endometrium of endometriosis were decreased by immunohistochemistry staining.Conclusion The lower expression of HOXA10 gene in the eutopic and ectopic endometrium of endometriosis might be associated with pathogenesis and infertility of endometriosis.
4.Impact of Expression of DHA AmpC ?-Lactamases Mediated by Plasmid on Antibiotics Susceptibility of Clinical Isolates of Klebsiella pneumoniae
Yanping LUO ; Dingxia SHEN ; Zheng CUI ; Jingrong CAO ; Yaping XU ; Junjie GUO ; Rong CHEN
Chinese Journal of Nosocomiology 2006;0(05):-
OBJECTIVE To investigate the prevalence of DHA AmpC ?-lactamases mediated by plasmid in Klebsiella pneumoniae in China.METHODS Antimicrobial susceptibility test was conducted by the methods of double agar dilution and ESBLs confirmatory in K-B method according to the criteria of guidelines of CLSI.AmpC ?-lactamases were detected on the basis that AmpC ?-lactamases could be inhibited by 3-aminophenylboronic acid(APB).Gene chip technology and PCR were used to detect ESBLs and AmpC gene.RESULTS Among total 34 isolates of K.pneumoniae 32(94.1%) produced AmpC ?-lactamases and ESBLs.The most common(38.3%) were types DHA and TEM and SHV.MIC50 and MIC90 of all strains to all tested antimicrobial agents were lower than 34 strains tested 0.25?g/ml and 0.5?g/ml.Fourteen strains AmpC and ESBLs were conjugated successfully.CONCLUSIONS DHA AmpC ?-lactamases mediated by plasmid are the most common in K.pneumoniae in General Hospital of PLA of China.The most common(38.3%) are types DHA and TEM and SHV.Fourteen(41.2%) strains can be spreaded by plasmid.
5.Clinical research of bevacizumab in combination with irinotecan, fluorouracil and leucovorin for advanced metastatic colorectal cancer.
Fei CUI ; Jin-zhang CHEN ; Cheng WAN ; Bin CHEN ; Rong-cheng LUO ; Hang ZHENG
Chinese Journal of Gastrointestinal Surgery 2009;12(4):374-377
OBJECTIVETo evaluate the efficacy of bevacizumab in combination of irinotecan,fluorouracil and leucovorin for metastatic colorectal cancer treated by failed prior oxaliplatin -based regiment.
METHODSSixty-two patients were randomly divided into two groups, group A of 30 patients received bevacizumab plus irinotecan, fluorouracil and leucovorin, group B of 32 patients received irinotecan, fluorouracil and leucovorin. The response rate,change of tumor markers,one year survival rate and safety were observed.
RESULTSTumor response rate was 30% in group A, 21.8% in group B respectively. Disease control rate(CR+PR+SD) was 80% in group A, 50% in group B. The obvious change of concentration of tumor markers was observed between pre-treatment and post-treatment, which was significantly different in group A(P<0.05). One year survival rate, median of time to progression and median duration of survival between group A and group B were 26.7% vs 18.8%, 5.9 months vs 3.9 months, 10.9 months vs 8.9 months(P<0.05). The adverse effect in group A was the same as group B. Bevacizumab was associated with hypertension and bradycardia.
CONCLUSIONSThe chemotherapy of bevacizumab combined with irinotecan, fluorouracil and leucovorin results in better efficacy in patients with progressive metastatic colorectal cancer.
Adult ; Aged ; Antibodies, Monoclonal ; therapeutic use ; Antibodies, Monoclonal, Humanized ; Antineoplastic Combined Chemotherapy Protocols ; therapeutic use ; Bevacizumab ; Camptothecin ; administration & dosage ; analogs & derivatives ; Colorectal Neoplasms ; drug therapy ; pathology ; Female ; Fluorouracil ; administration & dosage ; Humans ; Leucovorin ; administration & dosage ; Male ; Middle Aged ; Neoplasm Metastasis ; drug therapy ; Neoplasm Staging ; Survival Rate
7.Retrovirus-mediated SHP-1 gene expression in human breast cancer MDA-MB-231 cells.
Ji-zhen LIANG ; Rong LI ; Jun-yi ZHANG ; Hang ZHENG ; Rong-cheng LUO
Journal of Southern Medical University 2009;29(5):902-905
OBJECTIVETo construct a retrovirus-mediated expression system carrying human SHP-1 gene to transfer SHP-1 gene in human breast cancer MDA-MB-231 cells.
METHODSThe full-length SHP-1 gene fragment was amplified by RT-PCR from the total RNA extracted from human breast cancer cell line MCF-7 over-expressing SHP-1 protein. The gene fragment was inserted into the vector pLNCX2 to construct the recombinant retroviral plasmid, which was transfected into the packaging cell PT67 via Lipofectamine2000. A cell line stably producing the virus was selected with G418. MDA-MB-231 cells was infected with the virus, and the expression of SHP-1 gene in the positive cell clone was detected with Western blotting.
RESULTSA 1.8 kb cDNA fragment of SHP-1 gene was obtained from MCF-7 cells and successfully inserted into the pLNCX2. A stable cell clone PT67/SHP-1 and virus supernatant were obtained. Expression of SHP-1 protein was detected in the cells infected with the virus.
CONCLUSIONThe recombinant retroviral vector carrying SHP-1 gene has been successfully constructed and MDA- MB-231/SHP-1 cell line expressing SHP-1 has been obtained to allow further functional study of SHP-1 in breast cancer.
Breast Neoplasms ; genetics ; metabolism ; pathology ; Cell Line, Tumor ; Cloning, Molecular ; Genetic Vectors ; genetics ; Humans ; Protein Tyrosine Phosphatase, Non-Receptor Type 6 ; biosynthesis ; genetics ; Recombinant Proteins ; biosynthesis ; genetics ; Retroviridae ; genetics ; metabolism ; Reverse Transcriptase Polymerase Chain Reaction ; Transfection
8.Research Progress in the Prevention and Treatment of Deep Venous Thrombosis in Lower Limb Fracture
Chu-Rong ZHENG ; Peng GU ; Wen-Zheng WU ; Neng-Xian TAN ; Lie-Liang LUO ; Chong-Zhi OUYANG ; Xiao-Hui ZHENG
Journal of Guangzhou University of Traditional Chinese Medicine 2024;41(6):1647-1652
Deep vein thrombosis(DVT)is a common complication after surgery for lower limb fracture.It has the features of high morbidity,high disability rate and high mortality.At present,the measures for clinical prevention and treatment of post-operative DVT in lower limb fracture mainly include perioperative nursing,intervention with medical auxiliary instruments,western medicine prevention and treatment,traditional Chinese medicine(TCM)intervention,and patients'self-cooperation.The patients'self-cooperation is the basis for the smooth implementation of other measures for prevention and treatment,and the patients'active cooperation is the premise of achieving the efficacy of prevention and treatment.Perioperative nursing is helpful for the patients to understand the risk factors of postoperative DVT and the possible risks after the occurrence of DVT,guides the patients to choose the food,assists the patients to do postoperative exercises,improves the level of patients'hemorheological indexes,and reduce the incidence of postoperative DVT.Medical devices are helpful for assisting patients to do postoperative rehabilitation exercises,improving the levels of hemodynamic indicators,promoting patients'rehabilitation and reducing the incidence of postoperative DVT.Western medicines such as low molecular weight heparin,Rivaroxaban,Enoxaparin and other anticoagulant drugs can reduce the aggregation of coagulation factors and blood viscosity,and reduce the incidence of postoperative DVT.TCM interventions mainly include oral administration of Chinese medicine and external treatment such as acupuncture,moxibustion and massage.Oral administration of Chinese medicine is helpful for improving blood flow status.Acupuncture,moxibustion and massage are beneficial to the activation of the function of zang-fu organs,and can stimulate the healthy qi to improve the qi-blood state of the whole body.Each method of prevention and treatment has its advantages and disadvantages.In clinical application,reasonable prevention and treatment methods should be selected according to the specific conditions and individual conditions of the patients.TCM intervention of DVT can be performed in patients with lower limb fracture before and after surgery,and has the advantages of low cost and definite efficacy,which is worthy of continuous research and inheritance and innovation.
9.Effects of pirarubicin chemotherapy combined with hyperthermia on gastric cancer in vitro.
Xiao-guang WANG ; Jun FU ; Hang ZHENG ; Guo-xin LI ; Rong-cheng LUO
Journal of Southern Medical University 2006;26(10):1487-1490
OBJECTIVETo evaluate the effect of pirarubicin (THP) in combination with hyperthermia on gastric cancer tissues in vitro and explore the underlying mechanisms.
METHODSIn vitro three-dimensional culture models were established with tissue biopsies from 36 patients with pathologically confirmed gastric cancer. The tumor cell viability was measured by MTS-PMS assay, and HE staining was used to study the histomorphological changes of the tissues following chemotherapy and hyperthermia.
RESULTSSynergistic tumor cell-killing effects of cisplatin, THP, and mitomycin with hyperthermia was observed in the tumor tissues (P=0.000), and THP exhibited stronger cytotoxic effects than the other drugs. Histomorphological study suggested strong killing effects of THP on the tumor tissues, which displayed disrupted tissue structure, cellular degradation and necrosis, karyopyknosis and karyolysis, with cytoplasm loss. The anti-tumor effects of THP were associated with clinical staging and pathological grading of the tumors (P=0.000), but not with the patients' gender, age, tumor size and preoperative CEA levels (P>0.05).
CONCLUSIONPirarubicin shows good synergistic effects with hyperthermia, and the cytotoxicity of pirarubicin against gastric cancer tissue is enhanced considerably by mild hyperthermia. THP can be a potential therapeutic drug for intraperitoneal chemohyperthermia.
Adenocarcinoma ; drug therapy ; pathology ; Adult ; Aged ; Aged, 80 and over ; Antineoplastic Agents ; pharmacology ; Cell Survival ; drug effects ; Cisplatin ; pharmacology ; Doxorubicin ; analogs & derivatives ; pharmacology ; Drug Synergism ; Female ; Hot Temperature ; Humans ; Hyperthermia, Induced ; Male ; Middle Aged ; Mitomycin ; pharmacology ; Stomach Neoplasms ; drug therapy ; pathology ; Tissue Culture Techniques ; Tumor Cells, Cultured
10.Significance of preoperative screening of deep vein thrombosis on the prevention from pulmonary embolism.
Jiang YAN ; Jin-yan OU ; Fu-rong LUO ; Zheng-jie WU
China Journal of Orthopaedics and Traumatology 2011;24(9):754-756
OBJECTIVETo Explore the significance of preoperative screening of deep vein thrombosis (DVT) on the prevention from pulmonary embolism (PE) with color Doppler flow imaging (CDFI) in patients of lower limb fractures.
METHODSA total of 2 000 patients with lower limb fractures were retrospectively analyzed from January to September in 2010. All the patients were scheduled to be operated. There were 1 140 males and 860 females, ranging in age from 18 to 94 years, with a mean of (54.78 +/- 21.45) years. Swollen limbs could be observed in all patients when admitted and traditional Chinese medicine therapies were given by both internal and external administrations. Selective internal or external fixations were scheduled 3 to 14 days after injured and the swell relieved. CDFI screenings for DVT were applied to all the patients one day before operations and clinical data, such as gender, age, fracture site and course of diseases, were analyzed.
RESULTSOf all the 2 000 patients, 128 patients had lower limbs DVTs (6.4%). Among all the DVT patients, 52 patients had DVT within vena iliacas or femoral veins,20 patients had DVT within popliteal veins or vena crualis, 56 patients had DVT within small muscular veins of legs. Thrombolytic therapies or inferior vena cava filters were taken to 72 patients with DVTs proximal to vena cruralises and thrombi disappeared in 20 cases. Inferior vena cava filters were placed in 17 patients. There were 28 patients with either failed thrombolytic or no filters placement. All above 65 patients were treated with fracture reduction, and other 7 patients were treated with conservative methods. Of all the operated patients, one patient had PE during operation and recovered after immediately rescue. Among 56 patients with DVT within small muscular veins of legs, 51 patients were treated with reduction without other special treatment, and other 5 patients were treated with conservative methods. There was no relationship between DVT occurrence and gender. The youngest sufferer was 22 years old. DVT occurrences of patients over 41 years old were significantly higher than that of patients under 40 years old. Higher occurrences were also observed in patients with multiple fractures, fracture of femurs compared with those with tibia or fibula fractures. DVT was found as early as 3 days after injury in one case. The longer the time from injuries to operations, the higher the occurrences of DVTs.
CONCLUSIONRoutine CDFI screenings should be applied to traumatic fractured patients before operations no matter whether there are DVTs existing or not. That is very important for the prevention of fatal PE during both anesthesias and operations.
Adolescent ; Adult ; Aged ; Aged, 80 and over ; Female ; Humans ; Male ; Middle Aged ; Preoperative Period ; Pulmonary Embolism ; prevention & control ; Ultrasonography ; Venous Thrombosis ; diagnosis ; diagnostic imaging ; Young Adult