Objective: To observe the influence of electroacupuncture with different frequencies on rats swimming endurance and sift out the optimal frequency parameter.Methods: Wistar rats were randomly allocated to control group, non-acupoint group and electroacupuncture with low frequency group (EA with 2 Hz group), electroacupuncture with medium frequency group (EA with 15 Hz group), and electroacupuncture with high frequency group (EA with 100 Hz group), acupoints Zusanli (ST 36) and Taichong (LR 3) were punctured and rats load swimming time was used as an index, and the change of swimming endurance time before and after acupuncture was observed. Results: After electro-acupuncture, swimming time was increased in 15 Hz and 100 Hz groups respectively, with the significant differences between before and after acupuncture (P＜0.05). There was also a significant difference in the percentage of increase in swimming time between 15 Hz group and other groups (P＜0.05).Conclusion: It is suggested that electroacupuncture at acupoints Zusanli (ST 36) and Taichong (LR 3) with a frequency of 15 Hz could enhance rats's swimming endurance, and 15 Hz might be an optimal frequency parameter during the electrical stimulation.

OBJECTIVEThe purpose of the present study was to investigate the in vitro effects of baicalin on induction of apoptosis in human prostate cancer cell line DU145.

METHODHuman prostate cancer cell line DU145 was treated with different concentration of baicalin in vitro. The apoptosis rate was determined by FACS analysis, cell cycle distribution was detected by flow cytometry, morphological changes and protein analysis were determined by means of electron microscope techniqueand immunohistochemical techniquerespectively.

RESULT50micromol x L(-1) and 125 micromol x L(-1) of baicalin dose-dependently induced apoptosis and inhibited the proliferation of prostate cancer cell DU145 in a dose and time-dependent manner. DNA flow cytometric analysis indicated that baicalin induced a arrest in G1 phase, showing a typical apoptosis peak. Electron microscopy detected a characteristic appearance of the apoptotic cells morphology. Immunohistochemical analysis revealed that induction of apoptosis by ways of inhibition of the bcl-2, loss of the Bax, and upregulation of Fas.

CONCLUSIONThe results indicate that baicalin may induce apoptosis and inhibit proliferation of prostate cancer cells, and has direct anti-tumor effects on human prostate cancer cells.

Antineoplastic Agents, Phytogenic ; pharmacology ; Apoptosis ; drug effects ; Cell Line, Tumor ; Cell Proliferation ; drug effects ; Dose-Response Relationship, Drug ; Flavonoids ; isolation & purification ; pharmacology ; G1 Phase ; Humans ; Male ; Plants, Medicinal ; chemistry ; Prostatic Neoplasms ; metabolism ; pathology ; Proto-Oncogene Proteins c-bcl-2 ; metabolism ; Scutellaria ; chemistry ; bcl-2-Associated X Protein ; fas Receptor ; metabolism

In this paper, CT/PET multimodality medical image registration is performed by a region similarity measure (RSM), accompanied with an improved segment method and Powell optimization algorithm. RSM has been proved to be a quick, accurate and robust algorithm by the experimental results.
Algorithms ; Artificial Intelligence ; Humans ; Image Enhancement ; methods ; Image Interpretation, Computer-Assisted ; methods ; Imaging, Three-Dimensional ; methods ; Positron-Emission Tomography ; instrumentation ; methods ; Sensitivity and Specificity ; Subtraction Technique ; Systems Integration ; Tomography, X-Ray Computed ; instrumentation ; methods

Atrial Fibrillation ; therapy ; Catheter Ablation ; adverse effects ; Female ; Humans ; Pulmonary Veins ; Venous Thrombosis ; etiology

Objective To investigate the clinical value of ~(99)Tc~m-ethylenedicysteine (EC) diuretic renography (DR) in pre-and post-operative pediatric congenital hydronephrosis.Methods The DR with injection of Furosemide at 15 min of forty children with hydronephrosis was retrospectively studied.The preoperative renal blood perfusion rate (BPR),effective renal plasma flow (ERPF),grade of hydronephrosis,renogram and renal dynamic imaging of pre- and post-operative kidneys were compared.The t-test and Mann-Whitney test were used for data analysis.Results (1) Of 40 pathological kidneys,the BPR increased 5.99% (t=-5.13,P＜0.01)from pre-operative to post-operative:(34.05±11.07)% to (40.04±8.56)%.The ERPF increased 12.48 ml/min(t=-4.35,P＜0.01) from pre-operative to post-operative:(57.81±34.32)ml/min to(70.29±5.37)ml/min.(2)The grade of hydronephrosis of 40 pathological kidneys improved significantly(Z=-2.64,P＜0.01) with the mean sum of ranks of 47.21 pre-operatively to 33.79 post-operatively.(3) As the hydronephrosis worsened,the collecting system became bigger,the renal parenchyma became thinner,the extent of intrarenal parenchymal photopenia became larger and the response to diuretic challenge in pathological kidneys decreased or became totally irresponsive.(4)Thirty-seven cases of obstruction at ureteropelvic junction (UPJO) and 3 cases at ureterovesical junction (UVJO) were diagnosed by DR,which were all confirmed by surgery.Conclusions DR is a reliable method to evaluate pediatric congenital hydronephrosis.It can accurately reflect the grade and (or) severity of the disease,guide therapy and assess the therapeutic success of operation.

Objective:To explore influence of metoprolol combined lisinopril on cardiac function and serological mark-ers in patients with chronic heart failure(CHF).Methods:A total of 120 CHF patients treated in our hospital from May 2014 to May 2016 were enrolled.They were randomly and equally divided into lisinopril group and combined treatment group(received metoprolol combined lisinopril),both groups were treated for six months.Therapeutic effect,incidence rate of adverse reactions,levels of cardiac function indexes,C reactive protein(CRP),tumor nec-rosis factor α(TNF-α),N terminal pro B type natriuretic peptide(NT-proBNP),cystatin C(CysC)and neutrophil gelatinase associated lipocalin(NGAL)before and after treatment were compared between two groups.Results:Compared with before treatment,after six-month treatment,there were significant reductions in left ventricular end-diastolic dimension(LVEDd),left ventricular end-systolic dimension(LVESd),levels of CRP,TNF-α,NT-proBNP,CysC and NGAL,and significant rise in left ventricular ejection fraction(LVEF)in both groups,P=0.001 all.Compared with lisinopril group after six-month treatment,there were significant rise in total effective rate(73.33% vs.90.00%),P=0.018,and LVEF[(44.91 ± 2.45)% vs.(48.82 ± 3.55)%],P=0.001;and sig-nificant reductions in LVEDd[(50.34 ± 3.11)mm vs.(45.92 ± 3.04)mm],LVESd[(41.34 ± 3.33)mm vs.(35.53 ± 2.34)mm],levels of CRP[(14.47 ± 2.77)ng/L vs.(10.32 ± 3.01)ng/L],TNF-α[(157.78 ± 43.21)ng/L vs.(110.22 ± 29.01)ng/L],NT-proBNP[(932.43 ± 46.45)pg/ml vs.(464.21 ± 39.78)pg/ml],CysC[(1.34 ± 0.36) mg/L vs.(0.97 ± 0.22)mg/L]and NGAL[(117.69 ± 16.51)μg/L vs.(75.58 ± 10.22)μg/L]in combined treat-ment group,P=0.001 all.No adverse drug reaction was found in two groups.Conclusion:Compared with alone lisi-nopril,metoprolol combined lisinopril can effectively improve cardiac function,inhibit inflammation,relieve body injury,improve cardiac structure and effectively improve prognosis more in CHF patients,which is worth extending.

Severe acute respiratory syndrome coronavirus（SARS-CoV-2）is highly infectious and people are generally susceptible to it. In this article,we reviewed current research into the epidemiological characteristics of coronavirus disease 2019（COVID-19）,introduced China's effective prevention and control experience,preliminarily summarized the phased Results of China's fight against the COVID-19,and reviewed the early measures taken by Singapore,Japan,Italy,Iran and South Korea. We recommended China’s prevention and control measures in response to COVID-19 to the world;appealed to pay attention to non-drug interventions,to strengthen the cooperation and sharing of COVID-19 epidemic data and research,to improve the global ability in respond to public health emergencies,and to reduce the impact of COVID-2019 on the sustainable development of economy and society.

This meta-analysis aimed to comprehensively assess the efficacy and safety of hepatic resection combined with radiofrequency ablation versus hepatic resection (HR) alone for the treatment of multifocal hepatoeellular carcinomas (HCC).A literature search was conducted from the database including MEDLINE,Embase,Cochrane Central Register of Controlled Trials (CENTRAL) and China Biology Medicine (CBM) disc.The primary outcomes included the 1-,3-,5-year overall survival (OS) and disease-free survival (DFS) rate.The secondary outcomes contained the intraoperative parameters and postoperative adverse events (AEs).These parameters were all analyzed by RevMan 5.3 software.After carefully screening relevant studies,four retrospective studies of high quality involving 466 patients (197 in the combined group and 269 in the HR group) were included in this study.The pooled results showed that the 1-,3-,5-year OS rate in the combined group were comparable with those in the HR group (OR=0.77,0.96,0.88;P=0.33,0.88,0.70,respectively).Similarly,there was no significant difference in 1-,3-,5-year DFS rate between the combined group and the HR alone group (OR=0.57,0.83,0.72;P=0.17,0.37,0.32,respectively).And the intraoperative parameters and postoperative AEs were also comparable between the above two cohorts.However,two included studies reported that tumor often recurred in the ablation site in the combined group.The present meta-analysis indicated that the HR combined with RFA could reach a long-term survival outcome similar to curative HR for multifocal HCC patients.And this therapy may be a promising alternative for these patients with marginal liver function or complicated tumor distribution.Furthermore,high quality randomized controlled trials (RCTs) are imperative to verify this conclusion.

OBJECTIVETo investigate the possible roles of adenosine and the cytokines TNF-alpha and IL-10 in the pathogenesis of acute bacterial prostatitis (ABP) in rats.

METHODSForty-eight male Wistar rats were randomly divided into groups A (ABP), B (ABP + theophylline intervention), C (sham) and D (blank control). ABP models were established by injecting Escherichia coli 0157 into the prostate, and those in group B were treated by intraperitoneal injection of theophylline immediately after modeling. At 4 and 14 days, the prostate tissues of the rats were collected for detection of the expressions of TNF-alpha and IL-10 by immunohistochemistry and the concentration of adenosine by high-performance liquid chromatography.

RESULTSAt 4 and 14 days, the concentrations of adenosine were significantly higher in group A ([48.38 +/- 17.27] and [26.54 +/- 11.22] microg/g) than in C ([0.45 +/- 0.25] and [0.46 +/- 0.29] microg/g) and D ([0.41 +/- 0.23] and [0.43 +/- 0.27] microg/g) (P < 0.05), and so were the expressions of TNF-alpha in A (0.23 +/- 0.08 and 0.21 +/- 0.03) than in C (0.07 +/- 0.03 and 0.07 +/- 0.01) and D (0.07 +/- 0.06 and 0.07 +/- 0.06) (P < 0.05), and those of IL-10 in A (0.13 +/- 0.03 and 0.25 +/- 0.01) than in C (0.07 +/- 0.03 and 0.07 +/- 0.03) and D (0.07 +/- 0.01 and 0.07 +/- 0.02) (P < 0.05). Compared with group A, the rats in group B showed significant increases at 4 and 14 days in the severity of inflammation, concentration of adenosine ([86.64 +/- 32.87] and [51.17 +/- 22.96] microg/g, P < 0.05) and expression of TNF-alpha (0.37 +/- 0.08 and 0.32 +/- 0.06, P < 0.05), but exhibited no remarkable difference in the expression of IL-10 (0.12 +/- 0.06 and 0.15 +/- 0.06, P > 0.05).

CONCLUSIONAdenosine may affect the progression of inflammation by regulating the expressions of the cytokines TNF-alpha and IL-10 in ABP rats through the adenosine receptor signaling pathway.

Adenosine ; physiology ; Animals ; Escherichia coli O157 ; Interleukin-10 ; metabolism ; Male ; Prostate ; drug effects ; metabolism ; Prostatitis ; metabolism ; microbiology ; Random Allocation ; Rats ; Rats, Wistar ; Theophylline ; pharmacology ; Tumor Necrosis Factor-alpha ; metabolism

OBJECTIVETo compare the contents of baicalin in the raw medical material and the different prepared medical materials of Scutellaria baicalensis.

METHODThe contents of baicalin were determined by HPLC. Chromatographic conditions included Hypersil C18 column and the mobile phase consisting of a mixture of methanol-0.04% phosphoric acid (46:54). Baicalin was detected at 280 nm. The standard curve was linear in the range of 0.0280-4.6700 micrograms with correlation coefficient 1.0000. The average recovery of baicalin was 101.22% with RSD = 2.54% (n = 5).

RESULTThe contents of baicalin were 6.80% in raw material, 6.00% and 6.73% in the different prepared medical materials of S. baicalensis respectively.

CONCLUSIONThe two different kinds of preparing methods can be used to the raw material of S. baicalensis.

Chromatography, High Pressure Liquid ; Flavonoids ; analysis ; Hot Temperature ; Plants, Medicinal ; chemistry ; Scutellaria baicalensis ; chemistry ; Technology, Pharmaceutical