Objective To evaluate the efficacy of estradiol drospirenone treatment on palpitation in postmenopausal women.Methods Retrieved nearly a decade PubMed,Science Direct,EBSCO Host,EMbase,The Cochrane Library,CNKI,Wanfang database,CQVIP.The evaluation methodology included.The researchers rigorously evaluated he quality of the included studies and extracted data,used the Review manager 5.0 software to meet the quality standards of randomized controlled clinical trials (RCT) line system evaluation.Results Thirteen RCTs were included 1 156 patients,506 cases in the control group,650 patients in the treatment group.The results of the evaluation of the system showed:estradiol drospirenone treatment could significantly improve the efficacy of postmenopausal symptoms,compared with hormone therapy [relative risk (RR) =-11.89,95％ confidence interval (95 ％ CI)-13.06--10.72],versus placebo therapy (RR =-12.99,95％CI-14.46--11.52).Conclusion Estradiol drospirenone can significantly enhance the efficacy of postmenopausal symptoms,be worthy of promotion.

Objective To investigate the therapeutic value of endoscopic implantation of metal stents for obstruction caused by left-sided malignant colorectal tumor.Methods Data of 29 patients with left-sided malignant colonic obstruction who underwent stenting from May 2007 to May 2011 were retrospectively analyzed.Results Self-expanding metal stents were successfully implanted in 27 patients.Symptoms of abdominal distention and vomiting subsided in these patients.The procedure failed in 2 patients (2/29,6.9％ ),because the guidewire failed to pass the colonic stricture due to edema and the length of the diseased colon.Technical success was achieved in 27 of total 29 patients (27/29,92.6％ ).Out of the 27 patients,stage Ⅰ primary left-sided colonic resection and anastomosis were successfully performed in 24 patients.Colonic perforation was found intraoperatively in 1 patient ( 1/27,3.7％ ) who subsequently recovered after operation.There was no death during the perioperative period with the average hospital stay of 11.7 days.A mean colonic stent patency for 5 months was observed in 3 patients who underwent palliative stenting only.Conclusion Endoscopic implantation of metal stents is effective for left-sided malignant colorectal obstruction.As a bridge to surgery,it facilitates sufficient bowel preparation for elective radical operation.

AIM Aim to study the effect of PLC on human platelet cytoplasmic free calcium concentration, and then to explore the mechanism of PLC anti aggregation to platelet. METHODS Washed platelet of human was marked with fluorescence indicator Furu 2/AM, and then was treated with PSS, ASA and different dose of PLC respectively. Cytoplasmic free [Ca 2+ ] i of differently treated platelet at static state and activated sate induced by ADP was determined by double beam fluorescence spectrophotometric method. RESULTS Healthy human platelet was treated with PSS, ASA 334 ?mol?L -1 , 2 5, 3 75, 5, 10 and 20U PLC?ml -1 . Cytoplasmic [Ca 2+ ] i determined at static state was 152 55?15 07, 131 63?15 58, 140 27?12 03, 139 48?1 73, 121 11?9 58, 116 62?15 96 and 107 20?17 07 respectively. [Ca 2+ ] i determined at activated sate induced by ADP was 902 62?94 74, 687 99?62 86, 810 99?72 37, 701 73?21 37, 429 67?71 59, 342 82?44 86 and 263 27?25 46 respectively. Compared with PSS, inhibition rates ( % ) of ASA 334 ?mol?L -1 , 2 5, 3 75, 5,10, 20 U PLC?ml -1 to the increment of activated platelet cytoplasmic [Ca 2+ ] i were 25 83, 10 58, 25 04, 58 86, 69 84, 79 19 respectively. At the same condition, inhibition rate ( % ) of 10 U PLC?ml -1 to the increment of five hypertensive activated platelet cytoplasmic [Ca 2+ ] i were 74 25, 73 48, 61 32, 82 87,70 60 respectively. CONCLUSION PLC has significant effects on static cytoplasmic[Ca 2+ ] i of healthy and hypertensive human platelet ( P

In a fusion of BABL/C murine spleen cells immunizated with human fetal thymocytes and P_3X_(3)Ag_(,3), myeloma cells, six monoclonal antibodies(McAb) were produced. They were termed HIT_1. HIT_2. HIT_3. HIT_4.HIT_(6-1) and HIT_(6-2), respectively. The specificity of these McAbs were analysed by indirect immunofluorescence technique and FACS.Results showed that they reacted with 80～90%thymocytes,but hardly with peripheral blood mononuclear cells and spleen cells in adults,and nonreactive with red blood cells, granulocytes and platelets, According to their reaction with the tonsil cells, we can divide these six McAbs into three groups: Groupl including HIT_1, HIT_2, and HIT_(?) McAbs reacted approximately with 1/3 tonsil cells; basically GroupⅡ including HIT_(6-1) and HIT_(6-2) McAbs gave negative reaction with tonsil cells; GroupⅢ McAb HIT_4 reacted with 15% tonsil cells, which suggested these were a heterogeneous group McAbs with different specificities. In comparision with OKT series of McAbs in thymus, peripheral blood and tonsil, HIT_(1-3) are similar to OKT_(10) and,HTT6-l and HIT_(6-2) are just like OKT_6,but HIT_4 seems to be a new McAb different frOm HIT_(1-3) and HIT_(6-1) HII_(6-2). The competitive binding assay showed that HIT_(6-1) and HIT_(6-2) labeled with FITC can be inhibited by unlabeled HIT_(6-1) and HIT_(6-2) each other and can also be blocked by OKT_6, suggesting further these antibodies recognized a same epitope on thymocytes. Cross reaction were also demonstrated on HIT_1, and HIT_2 but not on HIT_3, suggesting HIT_1 and HIT_2 recognized the same determinant and HIT_3 recognized another. So six antibodies are McAbs against T cell differentiation antigens.They are useful for research the differentiation of T cells and the classification of malignant lymphadenosis diseases.

Objective To analyze the alterations of serum protein in ESCC,compare alterations of serum protein with and without LM. Methods Serum samples were collected from 64 ESCC patients before operation and 60 cases with gender and age-matched healthy controls,special serum protein or peptide spectra was determined by SELDI-TOF-MS measurement after treating the sample onto weak cation exchange (WCX2) protein chip for each case. The serum protein profiles were compared by Biomarker Wizard Software between the ESCC patients and healthy controls, and among ESCC patients stratified according to gender, age, location of tumor, size of tumor, infiltration and with or without LM. Results (1)120 protein peaks were detected at the molecular range of 0 to 50000 in comparing of ESCC patients and healthy controls. 31 significantly different peaks were found between ESCC patients and healthy controls (P <0.05), 10 peaks were selected(P<0.01). (2) One significantly different protein peak (m/z 4174) was detected between T1 and T3, T4 (P<0.05). (3) There were three significantly different protein peaks (m/z 3970,4174 and 4277) between with LM and without LM (P<0.05).The peak (m/z 4174) was shared by two groups above. (4) No significant different protein was found when patients stratified according to gender, age, location of tumor and size of tumor. Conclusion Significant difference exists in serum proteins between ESCC patients and healthy controls. There are statistical difference exists in serum proteins between T1 and T3, T4, with LM and without LM. This difference is less than between ESCC patients and healthy controls. Some commonness is existed in serum protein fingerprint for patients with serious infiltration and with LM.

Objective To compare the efficacy of patient-controlled epidural analgesia (PCEA) with different concentrations of sufentanil plus levobupivacaine after caesarean section.Methods Ninety ASA Ⅰ or Ⅱ nulliparous patients who were at full term with a singleton fetus,aged 22-35 yr,weighing 60-85 kg,undergoing elective caesarean section under combined spinal-epidural anesthesia,were randomly divided into 3 groups (n =30each):0.125％ levobupivacaine plus sufentanil 0.4,0.6 and 0.8μg/ml groups (groups Ⅰ,Ⅱ and Ⅲ).The patients received 48 h of PCEA after operation.PCEA pump was set up with a background infusion of 2 ml/h,and a bolus dose of 2 ml with a lockout-interval of 15 min after a loading dose of 5 ml.VAS score was used to assess the intensity of pain (0 =no pain,10 =worst pain).VAS score ≤ 3 was considered as effective analgesia.VAS score ≥4 was considered as failure of analgesia,and the rescue analgesic was given.Venous blood samples were taken before operation and at 24 and 48 h after operation to detect the serum prolactin (PRL) concentration using radioimmunoassay.The degree of motor block of lower extremities was assessed and scored using modified Bromage scale.Maternal colostrum time,the number of attempts,and adverse effects including nausea and vomiting,pruritus,somnolence,respiratory depression,bradycardia,hypotension and urinary retention were recorded after operation.Results Compared with group Ⅰ,the number of attempts and rate of failure of analgesia were significantly decreased,the maternal colostrum time was shortened,and the serum PRL concentration at 24 and 48 h after operation was significantly increased in groups Ⅱ and Ⅲ,and the incidences of adverse effects such as nausea,vomiting and bradycardia were increased in group Ⅲ (P ＜ 0.05).Compared with group Ⅱ,no significant change was found in the number of attempts,rate of failure of analgesia,maternal colostrum time,and serum PRL concentration at 24 and 48 h after operation (P ＞ 0.05),and the incidences of adverse effects such as nausea,vomiting and bradycardia were increased in group Ⅲ (P ＜ 0.05).There was no significant difference in the modified Bromage scores among the three groups (P ＞ 0.05).Conclusion When sufentanil plus 0.125 ％ levobupivacaine are used for PCEA,the recommonded concentration of sufentanil is 0.6 μg/ml.

HMGR and DXR are key enzymes of terpenoids biosynthesis pathway. This study was aimed to discuss the effects of overexpression of HMGR and DXR from A momum villosum Lour. on the biosynthesis of terpenoids in transgenic tobacco. The real-time fluorescence quantitative PCR (RT-qPCR) was used to analyze the expression level of AvHMGR and AvDXR. Then, enzyme activities of HMGR and DXR were determined by spectrometer using the substrate-specific method. Different terpenoids were detected by GC-MS. The results showed that individual overex-pression of HMGR/DXR can inhibit the enzyme activities of HMGR and DXR but promote the biosynthesis of men-thene, neophytediene, cembrenene and sterol. The co-overexpression of HMGR and DXR had different enzyme activ-ities and can promote the biosynthesis of sterol and phytol, but inhibit the biosynthesis of neophytadiene. It was con-cluded that the overexpression of HMGR and DXR had diverse effects when regulating the biosynthesis of different terpenoids. This study provided the basis for using A vHMGR and A vDXR to regulate the metabolism of terpenoids.

Objective To investigate the expressions and clinicopathological significance of 3q27-3q29-related p63 protein in diffuse large B-cell lymphoma (DLBCL). Methods An immunohistochemical Envision~(TM) method was used to detect the expressions of p53 and 3q27-3q29-related p63 protein in 102 cases of DLBCL and 15 cases of reactive hyperplasia of lymph node (RHL). Results The tumor cell expressions of p53(62 %) and p63(56 %) in DLBCL were significantly higher than that in RHL (0 and 13 % P < 0.05). The expressions of p53 and p63 were significantly different (1) between stage Ⅰ + Ⅱ (the positive rate 48.3 % and 41.4 %, respectively) and stage Ⅲ+Ⅳ(the positive rate 79.5 % and 75 %, respectively; P <0.05), (2) between GCB type (the positive rate 28 % and 28 %, respectively) and non-GCB type(the positive rate 72.7 % and 64.9 %, respectively; P <0.05). The expressions of p53 and p63 had no relationship to gender, age, B symptoms and locations. The expression of p53 was positively correlated with that of p63 in DLBCL (P <0.05, Cp=0.629). p53 and p63 protein expression in negative group the 5-year overall survival rate is higher than that in positive group (38 % and 6 %, 51% and 4 %, respectively), the difference was statistically significant (P <0.05). Conclusion It was likely that p63, as the oncogene, participated in the occurrence and development of DLBCL together with p53. Also, p63 and p53 might play a synergistic role in the occurrence DLBCL. Combined detection of 3q27-3q29-related 1963 protein and p53 protein in DLBCL, might be one of the indicators to the prognosis of DLBCL.

Biological chemistry of Chinese herbal germplasm resources (BCCHGR) is a new cross-discipline formed from rapid development of modern science and technology and its application in the area of Chinese herbal resources. BCCHGR was defined as probing and understanding biological processes like heredity, gene transcription, expression and metabolism of Chinese herbal germplasm, at the interface of biochemistry, molecular biology and chemistry, elu-cidating the nature of Chinese herbal germplasm using as TCM medicine as well as the forming mechanism thereof. In this paper, the scientific background, definition, significance and contents of BCCHGR were discussed to depict a preliminary picture of BCCHGR and arouse popular consideration and discussions.

Objective To establish a molecular identification method for three cultivars of Amomum villosum Lour.(AVL),thus to provide scientific evidence for the identification,selection and breeding of AVL.Methods The fragments of 26S rDNA D1-D3 region and matK gene of three cultivars of AVL and Amomum longiligulare T.L.Wu were amplified by polymerase chain reaction(PCR) and with corresponding primers,and then their sequences were analyzed,and phylogenetic tree was constructed based on the sequences.Results We obtained 739 bp in 26S rDNA D1-D3 sequence.Differences in 4 basic sites of 739 bp were shown between AVL and Amomum longiligulare T.L.Wu.The two cultivars of AVL,Changguo and Yuanguo,had the same sequence,but there was a difference in one basic site of Changguo and Yuanguo from Chunxuan.The phylogenetic tree based on 26S rDNA D1-D3 sequence revealed the difference between Chunxuan and the other two cultivars of AVL.We also obtained 824 bp in matK gene sequence.The three cultivars of AVL showed the consistent sequence,but there was a difference in one basic site of three cultivars of AVL from Amomum longiligulare T.L.Wu.Conclusion We can identify the three cultivars of AVL through the sequence differences at the molecular level,and Chunxuan has a closer genetic relationship with Amomum longiligulare T.L.Wu.