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Objective:To compare the effect of percutaneous screw-rod system combined with sacroiliac screw internal fixation and non-operation of type II-IV fragility fracture of the pelvis (FFP).Methods:A retrospective multicentral cohort study was performed to analyze the clinical data of 74 patients with FFP treated in Jiangjin Central Hospital of Chongqing and Hechuan People′s Hospital of Chongqing from January 2017 to June 2021, including 23 males and 51 females, aged 62-95 years [(79.3±7.3)years]. A total of 41 patients received non-surgical treatment (non-operation group). and 33 patients received percutaneous screw-rod system combined with sacroiliac screw internal fixation (operation group). The time to get out of bed, visual analog scale (VAS) and Majeed score on admission and at 1, 3, 6, 12 months after treatment, fracture healing time and complications were evaluated in the two groups.Results:Except for 9 patients who died at 3-9 months after treatment, the remaining patients were followed up for 12-24 months [(13.5±3.2)months]. The time to get out of bed was (11.4±2.8)days in operation group and was (67.4±4.4)days in non-operation group ( P<0.01). The VAS and Majeed score at 1, 3, 6 and 12 months after treatment were significantly improved in both groups compared with those on admission (all P<0.05). There was no significant difference in VAS and Majeed score between the two groups on admission (all P>0.05). The VAS was (3.2±0.7)points in operation group compared to (4.2±0.8)points in non-operation group at 1 month after treatment, and was (1.8±0.5)points in operation group compared to (2.9±0.7)points in non-operation group at 3 months after treatment (all P<0.01). The Majeed score was (56.0±2.4)points in operation group compared to (40.4±2.7)points in non-operation group at 1 month after treatment; the score was (77.3±2.6)points in operation group compared to (57.7±4.2)points in non-operation group at 3 months after treatment; the score was (86.5±1.8)points in operation group compared to (79.6±2.8)points in non-operation group at 6 months after treatment (all P<0.01). In contrast, the two groups had no statistically significant difference in VAS at 6 months and 12 months after treatment and Majeed score at 12 months after treatment (all P>0.05). There was no statistically significant difference in the fracture healing time between the two groups ( P>0.05). There was no statistically significant difference in the incidence of complications related to fixation methods between the two groups ( P>0.05). The incidence of bed-related complications was 24.2% (8/33) in operation group and was 51.2% (21/41) in non-operation group ( P<0.05). The 1-year fatality rate was 3.0% (1/33) in operation group and 19.5% (8/41) in non-operation group ( P<0.05). Conclusion:Compared with non-operative treatment, percutaneous screw-rod system combined with sacroiliac screw internal fixation in the treatment of type II-IV FFP can allow early off-bed movement, effectively relieve pain, improve quality of life of the patients, and reduce complication rate.
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Objective:To analyze the accuracy of diagnostic indicators for perioperative venous thromboembolism(VTE)in orthopedic patients.Methods:A retrospective case-control study was conducted to analyze the clinical data of 109 patients who underwent initial total hip arthroplasty(THA),total knee arthroplasty(TKA)or proximal femoral nail antirotation(PFNA)in Hechuan District People ’s Hospital of Chongqing from January 2015 to September 2019. There were 55 males and 54 females,with age range of 18-76 years[(46.3 ± 11.2)years]. Of all,54 patients underwent unilateral THA due to femoral head necrosis and femoral neck fracture,36 patients underwent unilateral TKA due to osteoarthritis and 19 patients underwent PFNA due to proximal femoral fracture. VTE was confirmed in 47 patients(VTE group),and did not occur in 62 patients(non-VTE group). Venous blood was collected from all patients on admission and at postoperative 1,3,5,7 days to measure levels of plasma D-dimer,serum interleukin(IL)-18 and vascular endothelial growth factor(VEGF). The accuracy of the above indicators in VTE diagnosis was analyzed by using receiver operating characteristic(ROC)curve. Results:In both groups,preoperative levels of D-dimer,IL-18 and VEGF were significantly lower than those postoperatively,and each indicator showed significant difference at each time points after operation( P < 0.05 or 0.01). Moreover,levels of D-dimer,IL-18 and VEGF in VTE group were significantly higher than those in non-VTE group at each time after operation( P < 0.05 or 0.01). Area under the ROC curve(AUC)for D-dimer was 0.839(95% CI 0.729-0.887),with the optimal cut-off of 5.5 μg/ml,sensitivity of 87.0%,specificity of 79.0% and Youden index of 0.67. AUC for IL-18 was 0.817(95% CI 0.719-0.857),with the optimal cut-off of 293.5 pg/ml,sensitivity of 67.0%,specificity of 87.1% and Youden index of 0.457. AUC for VEGF was 0.837(95% CI 0.784-0.918),with the optimal cut-off of 510.8 pg/ml,sensitivity of 81.0%,specificity of 79.0% and Youden index of 0.583. AUC for combined D-dimer,IL-18 and VEGF was 0.870(95% CI 0.747-0.992),with the sensitivity of 87.2%,specificity of 83.4% and Youden index of 0.606. Conclusions:For diagnosis of perioperative VTE in orthopedic patients,serum VEGF is relatively accurate,while serum IL-18 has a low accuracy. However,the diagnostic rate of VTE can be improved by combining indicators of D-dimer,IL-18 and VEGF.
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To examine the effect of VAE and open surgery on the postoperativelocal recurrence of benign phyllodes tumors of breast and to investigate the clinical efficacy of VAE in the treatment of benign phyllodes tumors. The clinical data of 128 patients with benign phyllodes tumors of breast admitted to the Guangdong Women and Children Hospital from January 2013 to January 2018 were retrospectively analyzed. All patients were female, aged (37.7±9.1) years (range: 16 to 56 years). Eighty patients underwent ultrasound-guided VAE (minimally invasive group) and 48 patients underwent open surgery (open group). The -test, χ(2) test or Fisher exact probability method were used to compare the clinical characteristics of the two groups of patients. Logistic regression was used to analyze the prognostic factors of postoperative local recurrence. The maximum diameter of tumor in the minimally invasive group was smaller than that in the open group ((20.6±7.4) mm . (42.0±2.0) mm, -7.173, 0.000). The follow-up time was (36.4±1.8) months (range: 12 to 71 months). There were 7 cases of local recurrences during the follow-up period. The local recurrence rates in the minimally invasive and open groups were 5.0% (4/80) and 6.3% (3/48). The results of multivariate analysis showed that the maximum tumor diameter of 25 mm was an independent prognosis factor for postoperativelocal recurrence (0.122, 95: 0.016 to 0.901, 0.039). While surgical procedure, age, menopausal status and history of fibroadenomas in the ipsilateral breast is not an independent prognostic factor for postoperative local recurrence. In the minimally invasive surgery group, the local recurrence rates were 2.9% (2/69) and 2/11 in patients with tumor maximum diameters<25 mm and ≥25 mm, respectively. Local recurrence of breast benign phyllodes tumors is closely related to the tumor size. For patients with tumor diameter25 mm, the postoperative local recurrence rate of VAE is low, which can be used in clinical practice. Intraoperative complete resection to achieve a negative surgical margin should be guaranteed to avoid local recurrence.
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Carboxylesterase(CES), the most abundant hydrolase in humans and animals, participates in the metabolism of various endogenous and exogenous compounds and drugs. The distribution and activity of CES have obvious species differences in hu mans and animals, which are closely related to the pharmacokinetics(PK), pharmacodynamics(PD)and toxic side effect of drugs. Therefore, this paper summarizes the effects of the difference in the classification, distribution, induction and inhibition of CES as well as the effects of species difference in plasma, liver, small intestine and skin on the metabolism of ester prodrugs, so as to provide a reference for the correct selection of experimental animals in preclinical studies of new drugs to accurately predict the clinical PK, PD and toxicological effects.
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OBJECTIVES@#To observe the efficacy and adverse reactions of the combination of endostar with chemotherapy in the treatment of advanced (IVb) and recurrent metastatic cervical cancer.@*METHODS@#Forty-four patients with recurrent and metastatic cervical cancer, who were admitted to the Second Xiangya Hospital, Central South University from December 2016 to December 2018 were randomly divided into an experimental group and a control group (22 cases in each group). The control group was given gemcitabine plus cisplatin (GP) or docetaxel plus cisplatin (DP) treatment, the experimental group was treated with endostar on the basis of the control group.@*RESULTS@#The objective response rate (ORR) was 42.9% in the experimental group and 22.7% in the control group. There was no significant difference between the 2 groups (@*CONCLUSIONS@#Compared with chemotherapy alone, endostar combined with chemotherapy can prolong the median progression-free survival, with higher ORR and similar adverse reactions.
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Feminino , Humanos , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Cisplatino/uso terapêutico , Endostatinas , Neoplasias Pulmonares/patologia , Recidiva Local de Neoplasia/patologia , Estadiamento de Neoplasias , Proteínas Recombinantes , Neoplasias do Colo do ÚteroRESUMO
With the continuous progress of virtual simulation technology, medical surgery visualization system has been developed from two-dimensional to three-dimensional, from digital to network and intelligentization. The visualization system with mixed reality technology will also be used in all stage of medical surgery, such as case discussion, surgical planning, intraoperative guidance, post-operative evaluation, rehabilitation, so as to further promote high intelligence, high precision of medical surgery, and consequently improve effectiveness of treatment and quality of medical service. This paper discusses the composition and technical characteristics of medical operation visualization system based on mixed reality technology, and introduces some typical applications of mixed reality technology in medical operation visualization, which provides a new perspective for the application of mixed technology in medical surgery.
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BACKGROUND: Due to the complexity of tissue induced biomaterials, the current biosafety evaluation standard is not available. For years, to choose an effective evaluation strategy and practice in tissue induced materials has been always a hot topic, but still with no conclusion. The existence of this problem results in numerous issues for manufactures when conducting the biosafety evaluation of tissue induced medical devices. OBJECTIVE: To formulate the biosafety evaluation strategy that should be followed by the material samples at the research and development stage and to provides some ideas and lessons for the selection of the product biology experimental items to be listed and registered. METHODS: In 2016, a statistical analysis was carried out for biological test items of tissue induced biomaterials. Cytotoxicity, irritation and sensitization tests were the most commonly used tests for biomaterials and medical devices. A biosafety evaluation only via the above three tests had been applied in 58 kinds of materials with 81 batches of samples. In this study, immune toxicity tests were performed in 17 kinds of materials and biodegradation tests were done in some samples. RESULTS AND CONCLUSION: It had been found that different test programs or evaluation strategies may be adopted in the product development or listing registration stage. At early stage of development, cytotoxicity, irritation and sensitization tests are suitable for sample screening. In the later stage of research and development, more in-depth tests, such as subchronic toxicity, degradation and immunity toxicity, should be employed to meet the safety evaluation requirements.
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Nobiletin is a kind of polymethoxyflavonoid with many pharmacological effects, such as antiinflammatory and antioxidation activities. This study was carried out to investigate the inhibitory effects of nobiletin on P-glycoprotein (P-gp) in vitro and in vivo. The molecular mechanism for structure-inhibition relationships of nobiletin with P-gp was investigated. Nobiletin exhibited significant inhibition (IC50=2.21 μmol·L-1) on P-gp in MDR1-MDCKⅡ cells. In the cell toxicity test, the paraquat-treated cell viability was decreased with nobiletin by inhibiting P-gp activity. In the rats PK study, the AUC0-t of digoxin was increased 2.02 folds while the Cmax of digoxin was increased 3.29 folds, when nobiletin was used in the pretreatment of SD rats. Molecular docking analysis elucidated that the formation of Pi-Pi bonds with Phe974 was the key factor for P-gp inhibition. The research findings provide important guideline for prediction of potential interaction between nobiletin and P-gp.
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Objective To analyze the epidemiological characteristics of epidemic hemorrhagic fever (EHF) in Chinese PLA, and to provide scientific evidence for its prevention and control in military troops .Methods Surveillance data from January 1991 to July 2016 and articles of EHF about PLA were collected and analysed .Results A total of 23 EHF outbreaks were reported by articles in PLA and 17 outbreaks were reported in Northeast , predominant of all reported area and accounting for 73.91%( P <0.01).1666 cases and 12 outbreaks were reported by the system of army epidemic situation inspection information administration and army public health emergencies and infectious disease reporting information from January 1991 to July 2016 , with downward trend of overall incidence , which distributed 734 cases in North China and accounted for 46%(P<0.01).The number of male patients is more than the female (P<0.01).The number of soldier patients is obviously increased compared with the officer (P<0.05).Camp is the most infected place(P<0.05). Conclusion The occurrence of EHF become stable in the PLA , which showed significant difference in gender , occupation categories and infected regions was found .Monitoring should be straightened and comprehensive prevention and control measures should be developed to enhance the ability and level to prevent and control the EHF in high epidemic area in PLA .
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Objective To investigate the effect of bipolar coagulation hemostasis on ovarian function in patients with laparoscopic ovarian endometriosis cyst stripping.Methods From January 2015 to February 2016, 88 cases of ovarian endometriosis cyst were selected by using the random number table method.They were randomly divided into observation group and control group,44 cases in each group.The observation group was treated with bipolar coagulation hemostasis,and the control group was treated with endoscopic suturing.The luteinizing hormone(LH), follicle stimulating hormone(FSH),estradiol(E2 ),sinus follicle number(FO )and ovarian stroma systolic blood flow velocity peak preoperation,postoperation and postoperative 6 months were detected.Results The E2 levels in the observation group postoperation and postoperative 6 months were (190.03 ±30.88 )pmol/L and (179.82 ± 29.94)pmol/L,which were significantly lower than those in the control group [(230.04 ±32.22 )pmol/L and (232.49 ±28.41)pmol/L,t =5.947,9.465,all P 0.05).Conclusion The application of different hemostatic methods in laparoscopic ovarian endometriosis cyst stripping have effect on ovarian reserve function,but bipolar coagulation and hemostasis can significantly decrease ovarian reserve function,and it should be used as little as possible during the operation.
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To systematically evaluate the effectiveness and safety of Kuhuang injection in treating viral hepatitis. Eight electronic databases and clinic trials were searched to collect randomized controlled trials for the effect of Kuhuang injection in the treatment of viral hepatitis. According to the Cochrane Handbook 5.1, two independent reviewers screened out the literatures, extracted data and assessed the quality of thestudies included. RevMan5.3 software was used for the data analysis. A total of 32 articles were included, involving 3 188 patients, including male 1 951 cases (61.2%), female 859 cases (26.9%), and 378 cases of unknown sex (11.9%). All the clinical studies showed a low quality. Due to the complication of diseases and difficulty in intervention measures, most trails were classified by the condition of diseases, and then a descriptive analysis was made. The results showed that the test group was better than the control group in total efficiency of treating severe icteric viral hepatitis, and the test group was advantageous over the control group in jaundice removal and liver function recovery rate in treating icteric hepatitis. In the Meta-analysis on the RCTs for icteric viral hepatitis, the total efficiency of Kuhuang injection + comprehensive treatment group was higher than that of the comprehensive treatment group (RR=1.35, 95%CI=[1.10,1.66], P=0.61). In addition, when Kuhuang injection was dripped too fast, patients had such adverse reactionsas dizziness, palpitation, nausea, vomiting and skin rash, which could be relieved at a lower dripping speed.Based on the existing evidences, Kuhuang injection had a certain effect in treating viral hepatitis. Most clinic trails did not include viral hepatitis etiology, clinical classification and diversified intervention measures, which resulted in a high clinical heterogeneity and poor comparability between trails. Besides, most trials had a low methodological quality, which affected the authenticity of the results. Therefore, more high-quality, multi-center, large-sample, randomized double-blind controlled trialsarerequired to prove the evidences.
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Objective To analyze the epidemiological characteristics of epidemic hemorrhagic fever (EHF) in Chinese PLA, and to provide scientific evidence for its prevention and control in military troops .Methods Surveillance data from January 1991 to July 2016 and articles of EHF about PLA were collected and analysed .Results A total of 23 EHF outbreaks were reported by articles in PLA and 17 outbreaks were reported in Northeast , predominant of all reported area and accounting for 73.91%( P <0.01).1666 cases and 12 outbreaks were reported by the system of army epidemic situation inspection information administration and army public health emergencies and infectious disease reporting information from January 1991 to July 2016 , with downward trend of overall incidence , which distributed 734 cases in North China and accounted for 46%(P<0.01).The number of male patients is more than the female (P<0.01).The number of soldier patients is obviously increased compared with the officer (P<0.05).Camp is the most infected place(P<0.05). Conclusion The occurrence of EHF become stable in the PLA , which showed significant difference in gender , occupation categories and infected regions was found .Monitoring should be straightened and comprehensive prevention and control measures should be developed to enhance the ability and level to prevent and control the EHF in high epidemic area in PLA .
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To respond to the human immunodeficiency virus (HIV)/acquired immune deficiency syndrome (AIDS) epidemic in China, the integration of antiretroviral therapy (ART) and traditional Chinese medicine (TCM) has important implications in health outcomes, especially in China where the use of TCM is widespread. The National Free TCM Pilot Program for HIV Infected People began in 5 provinces (Henan, Hebei, Anhui, Hubei, and Guangdong) in 2004, and quickly scaled up to 19 provinces, autonomous regions, and municipalities in China including some places with high prevalence, 26,276 adults have been treated thus far. Usually, people with HIV infection seek TCM for four main reasons: to enhance immune function, to treat symptoms, to improve quality of life, and to reduce side effects related to medications. Evidences from randomized controlled clinical trials suggested some beneficial effects of use of traditional Chinese herbal medicine for HIV infections and AIDS. More proofs from large, well-designed, rigorous trials is needed to give firm support. Challenges include interaction between herbs and antiretroviral drugs, stigma and discrimination. The Free TCM Program has made considerable progress in providing the necessary alternative care and treatment for HIV-infected people in China, and has strong government support for continued improvement and expansion, establishing and improving a work mechanism integrating Chinese and Western medicines.
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Humanos , Síndrome da Imunodeficiência Adquirida , Tratamento Farmacológico , Economia , Alergia e Imunologia , Antirretrovirais , Usos Terapêuticos , Medicamentos de Ervas Chinesas , Usos Terapêuticos , Interações Ervas-Drogas , Medicina Tradicional Chinesa , Economia , Projetos PilotoRESUMO
Background and purpose:Chemotherapy is an alternative treatment option, which could still get a therapeutic effect, when the EGFR-TKI treatment of non-small cell lung cancer failed. Studies have shown that RR, TYMS, ERCC1 and TUBB3 have respectively relationship with chemosensitivity of gemcitabine, pemetrexed, platinum-based drugs and microtubule-based chemotherapy drugs.The expression levels of these molecular markers can predict the sensitivity of these chemotherapy drugs. The patients with RRMI, TS, ERCC1 and TUBB3 higher expression have reduced chemosensitivity, and lower expression have increased sensitivity. The purpose of this study was to explore the sensitivity of tumor cell lines with acquired resistance to geiftinib caused byEGFR-T790M mutation to cisplatin, gemcitabine, pemetrexed, vinorelbine, paclitaxel and docetaxel.Methods:MTT assay was used to detect the IC50 values of cisplatin, gemcitabine, vinorelbine, paclitaxel and docetaxel, pemetrexed to PC9 and PC9/GR cells, and to explore the chemosensitivity of lung adenocarcinoma cells to these chemotherapy drugs; Luminex method was used respectively to detect the expression levels of ERCC1 mRNA, TUBB3 mRNA, TS mRNA, and RRM1 mRNA in PC9 and PC9/GR cells. Western blot was used to detect the protein expression levels of ERCC1, TUBB3, TS and RRM1 in PC9 and PC9/GR cells.Results: The IC50 values of cisplatin, gemcitabine and pemetrexed to PC9/GR cells were signiifcantly higher than those to PC9 cells (P<0.05), while the IC50 values of vinorelbine, paclitaxe and docetaxel to PC9/GR cells were signiifcantly decreased (P<0.05). Luminex method showed the expressions of ERCC1 mRNA, TS mRNA and RRM1 mRNA in PC9/GR cells were signiifcantly increased than those in PC9 cells (P<0.05), while the expression of TUBB3 mRNA was signiifcantly decreased (P<0.05). Western blot method showed the expressions of TUBB3, TS and RRM1 protein in PC9/GR cells were signiifcantly increased than those in PC9 cells (P<0.05), while TUBB3 protein expression in PC9/GR cells was signiifcantly decreased (P<0.05). Western blot method analysis result showed that the expressions of TUBB3, TS and RRM1 protein in PC9/GR cells were significantly increased than those in PC9 cells (P<0.05), while TUBB3 protein expression in PC9/GR cells was signiifcantly decreased (P<0.05). Conclusion:The chemosensitivity of lung adenocarcinoma with EGFR-T790M mutation is changed. It has decreased sensitivity to cisplatin, gemcitabine, pemetrexed and increased sensitivity to vinorelbine, paclitaxel and docetaxel. The reason of the change of chemosensitivity of geiftinib-resistant lung adenocarcinoma cell maybe related to the changes of ERCC1 mRNA, RRM1 mRNA and TS mRNA and their protein expressions.
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Combining theory and practice at home and abroad in recent years ,construction plan of the military infectious diseases syndromic surveillance system was discussed from aspects of data collection and transmission , data analysis and early warning , incident response based on the core business requirements of syndromic surveillance for infectious diseases . The study provides the demand traction for the system construction .
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<p><b>OBJECTIVE</b>To evaluate the safety of artificial musk by determining its content of five hazard heavy metals.</p><p><b>METHOD</b>The contents of Pb, Cd,As,Hg,and Cu in artificial musk were detected using inductively coupled plasma-mass spectrometry.</p><p><b>RESULT</b>The contents of Pb,Cd,As,Hg,and Cu was less than 0.35,0.05,0.30,0.20,and 4.50 mg/kg in artificial musk.</p><p><b>CONCLUSION</b>Artificial musk has low contents of heavy metals and therefore meets the safety and quality requirments.</p>
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Medicamentos de Ervas Chinesas , Química , Ácidos Graxos Monoinsaturados , Química , Substâncias Perigosas , Metais Pesados , Controle de QualidadeRESUMO
<p><b>OBJECTIVE</b>To control the quality of Xihuangwan by improving the qualitative detection of artificial musk inside this pill.</p><p><b>METHOD</b>The qualitative detection of artificial musk was carried out by gas chromatography-mass spectrometery(GC-MS).</p><p><b>RESULT</b>The established GC-MS successfully detected artificial musk in Xihuangwan.</p><p><b>CONCLUSION</b>GC-MS is reliable,accurate,and practical in the identification of artificial must inside Xihuangwan.</p>
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Medicamentos de Ervas Chinesas , Química , Ácidos Graxos Monoinsaturados , Química , Cromatografia Gasosa-Espectrometria de MassasRESUMO
<p><b>OBJECTIVE</b>To identify the anti-inflammatory effects of artificial musk aqueous extract(AME)on lipopolysaccharide-stimulated cytokines secreted or released by RAW264.7 cells.</p><p><b>METHODS</b>Cytokines including interleukin(IL)-6,IL-10,and tumor necrosis factor Α were determined using cytokine enzyme-linked immunosorbent assay kits.</p><p><b>RESULT</b>Compared with model group,the levels of major cytokines such as tumor necrosis factor Α,IL-6,and IL-10 significantly decreased in different AME groups in a dose-dependent manner.</p><p><b>CONCLUSION</b>In lipopolysaccharide-stimulated RAW264.7 macrophages,AME can remarkably inhibit the release of inflammatory cytokines and thus exerts its anti-inflammatory effects.</p>
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Animais , Anti-Inflamatórios , Farmacologia , Linhagem Celular Tumoral , Citocinas , Metabolismo , Ensaio de Imunoadsorção Enzimática , Ácidos Graxos Monoinsaturados , Farmacologia , Mediadores da Inflamação , Metabolismo , Interleucina-6 , Metabolismo , Lipopolissacarídeos , Macrófagos , Fator de Necrose Tumoral alfa , MetabolismoRESUMO
Risk assessment is critical to responses to public health emergencies .Practices and researches concerning risk assessment of public health emergencies in China′s military are still in the early stage .This paper summarizes the rele-vant concepts , categorization , assessment methods , and practices .Based on management requirements of risk assessment , suggestions are raised about how to strengthen the risk assessment capability of Armed Forces by formulating management rules, perfecting assessment methods and developing assessment tools .
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OBJECTIVE@#To determine the expression of p53 and its clinical significance in HER2-negative breast invasive ductal carcinoma (BIDC).@*METHODS@#The expression of p53, ER and PR in the HER2-negative BIDC was detected by immunohistochemistry and the results were analyzed by SPSS10.0 software packet, chi-square test, spearman's correlation analysis, Kaplan-Meier survival curves and Cox regression analysis.@*RESULTS@#The positive expression of p53 protein in BIDC with pathological grade III was significantly higher than that with grade I (P<0.05), but there was no significant correlation between the expression of p53 and age, clinical stage, or lymph node metastasis status in the BIDC. The positive expression of p53 protein in BIDC with ER-positive was significantly lower than that with ER-negative (P<0.01). The positive expression of p53 protein was significantly lower in BIDC with common expression of ER and PR than that with negative expression of ER or PR (P<0.05). The HER2-negative BIDC patients with p53-positive expression had a lower 5 year survival than those with p53-negative expression.@*CONCLUSION@#The positive expression of p53 protein might have significant prognostic value and is an independent prognostic marker in HER2 -negative BIDC.