Hepatocellular carcinoma (HCC) is one of the most common malignancies.Current radiological examination is quite limited in diagnosing early HCC.Various treatments for HCC have definite indications,and there is still no effective treatment and prevention for recurrence and metastasis.Based on the recent development of molecular targeting nanotechnology for specific molecules in liver cancer cells,early diagnosis and the monitoring of recurrence and metastasis for HCC can be improved,and the specificity of drug in targeting cancer cells and the therapeutic effect on HCC can be significantly enhanced.The article reviewed the application and significance of molecular targeting nanotechnology in HCC diagnosis and treatment.

Objective To study the respiratory tract virus infection in dengue fever patients in Guangzhou. Methods Totally 280 patients with dengue fever in 2014 and 32 patients from May to December 2015 were select-ed as group A and group B respectively. The distribution of clinical symptoms and signs ,age and onset time of the 2 groups were compared. Simultaneously ,other respiratory viruses in all patients were detected. Results In group B,the incidence of fever,bone pain,myalgia/body weight fatigue,anorexia,diarrhea,rash diagnosed and hemorrhage was higher than that in group A. The incidence difference of headache,bone pain,myalgia/body weight fatigue,anorexia and rash in 2 groups indicated no statistical significance(P > 0.05)but the incidence of anorexia was significantly different(P<0.05). In group A,there were a larger proportion of patients aged from 21to 30(28.57%)and from 31 to 40(25.36%)while in group B,there were a larger proportion of patients aged from 41 to 50 (19.69%) and from 51 to 65 (25.00%). There was no significant difference in the distribution of other age groups(P > 0.05)except that of 51 ~65 years in 2 groups(P < 0.05). In 2014,the peak inci-dence of dengue fever was in October (64.29%),followed by November (28.21%) and in 2015 ,October was the peak incidence of dengue fever (84.38%),followed by November (12.49%). The incidence in 2 groups in October was significantly different (P < 0.05). In 280 cases of group A ,positive rate of 9 respiratory virus was 30.36%(85/280) and there were 38 cases with MP (44.71%) and 24 with LP1 (27.24%);in 32 cases of group B ,positive rate of 9 respiratory virus was 32.50%(11/32) and there were 4 with MP (36.36%) and 3 LP1(27.27%). The detection rate of other viruses indicated no significant difference(P > 0.05). Conclusions The incidence of dengue fever is different in Guangzhou area at different time. The patients present different clinical symptoms and signs. Analysis of different pathogenic characteristics provides important basis for clinical treatment of dengue fever.

Aim To study the effect of Semen Cuscutae flavonoids on oxidative damage and apoptosis of rat seminiferous tubule cells. Methods Detecting apoptosis cells was performed by TUNEL methods and oxidative damage index such as MDA, T-AOC and ROS. Results Semen Cuscutae flavonoids could inhibit testis cells oxidative damage and apoptosis, the effect is dose dependent and the most significantly in 500 mg?L -1. Conclusion Semen Cuscutae flavonoids are effective antioxidants, which can inhibit apoptosis and oxidation of testis cells.

OBJECTIVETo establish a RP-HPLC-PDA method for determination of five triterpenic acids (pomolic acid, hawthorn acid, corosolic acid, oleanolic acid and ursolic acid) in different parts of Salvia chinensis.

METHODThe isocratic elution and separation was achieved on a Kromasil C18 column (4.6 mm x 250 mm, 5 microm), using acetonitrile-water (90:10) as the mobile phase at a flow rate of 0.8 mL x min(-1). The detection wavelength and column temperature were set at 205 nm and 28 degrees C, respectively.

RESULTThe calibration curves of pomolic acid, hawthorn acid, corosolic acid, oleanolic acid and ursolic acid were linear over the ranges of 0.096 0-2.400, 0.1230-3.075, 0.2420-6.050, 0.2830-7.075 and 0.2730-6.825 microg (r = 0.9998, 0.9997, 0.9999, 0.9995, 0.9999), respectively. The average recoveries were 98.43%, 98.13%, 100.6%, 98.19% and 99.15%%, respectively, with RSD (n=6) being 1.3%, 0.67%, 1.2%, 0.87% and 0.43%.

CONCLUSIONThe proposed method is so simple and highly reproducible that it promises to be applicable for determination of major triterpenic acids in S. chinensis.

Chromatography, High Pressure Liquid ; methods ; Drugs, Chinese Herbal ; chemistry ; Plants, Medicinal ; chemistry ; Salvia ; chemistry ; Triterpenes ; chemistry

OBJECTIVETo explore clinical efficacy and key matters for the treatment of femoral intertrochanteric fracture and integrity of lateral trochanteric wall by proximal frmoral nail antirotation (PFNA).

METHODSFrom June 2010 to December 2012,210 femoral intertrochanteric fracture patients treated with PFNA were retrospectively analyzed, including 76 males and 134 females aged from 46 to 96 years old with an average of 71 years old. All fracture were caused by injury and classified to type I (5 cases) type II (16 cases), type III (73 cases) and type IV (116 cases) according to Evans classification. The time of getting out of bed, postoperative complications and displacement of screw blade and fracture healing were observed, Baumgaertner criteria were used to evaluate quality of fracture reduction, Harris criteria were used to evaulate hip joint function.

RESULTSAll incisions were healed at stage I, no complications occurred except incomplete of lateral trochanteric wall patients without reconstruction, other patients could get out of bed with crutches at one week and all patients discharged from hospital at 10 days after operation. One hundred and seventy-eight patients were followed up from 3 to 17 months with an average of 10 months. One case occurred unhealed fracture displacement caused by screw blade cutting, 2 cases occurred screw blade transfomed to proximal and out femoral head, other patients obtained fracture healing at 12 to 16 weeks after operation. According to Baumgaertner criteria, 130 cases obtained good results, 45 cases acceptable, and 3 poor; while 107 cases obtained excellent results, 65 good, 3 good and 3 poor according to Harris score.

CONCLUSIONPFNA with mechanical advantage of intramedullary fixation has advantsges of stable fixation, shorter operation time, minimally invasive. Satisfied clinical effects could obtained by grasping fixation principle, dealing with negative factors in operation. Intraoperative reconstruction for integrity of lateral trochanteric wall could assure stable fixation and earlier get out of bed.

Aged ; Aged, 80 and over ; Bone Nails ; Female ; Femoral Fractures ; surgery ; Fracture Fixation, Intramedullary ; instrumentation ; methods ; Hip Fractures ; surgery ; Humans ; Male ; Middle Aged ; Retrospective Studies

1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine ; Animals ; Female ; MPTP Poisoning ; drug therapy ; pathology ; physiopathology ; Male ; Materia Medica ; therapeutic use ; Mice ; Mice, Inbred C57BL ; Microglia ; drug effects ; pathology ; Parkinson Disease, Secondary ; chemically induced ; drug therapy ; physiopathology ; Scorpion Venoms ; chemistry

Objective To investigate the effect of propofol on N-methyl-D-aspartate (NMDA) receptor-mediated currents. Methods Hippocampal neurons were prepared from newborn Wistar rats and cultured for 8-12 days. Whole cell currents were recorded using patch-clamp technique and cells were voltaged-clamped at - 80 mV. 100 ?mol?L-1 NMDA and 3 or 48 ?g?ml-1 propofol were applied with a multi-pipe ejection system. GABAA receptor was then blocked with 100 ?mol?L-1 bicuculline to investigate the effect of propofol on NMDA receptor without the influence of GABAA receptor.Results Run-down of INMDA induced by 100 ?mol?L-1 NMDA applied to neurons which were cultured for 8-12 days was 15%?8%. Propofol 3 or 48 ?g?ml-1 significantly inhibited spontaneous excitatory postsynaptic currents and elicited a Cl- -mediated response by direct activation of GABAA receptor in the absence of GABA. therefore produced a reversible inhibition of whole cell currents activated by NMDA. After the GABAA receptor was blocked by 100 ?mol?L-1 bicuculine propofol still inhibited NMDA currents slightly. Conclusion Propofol inhibits the NMDA subtype of glutamate receptor mainly through activation of GABAA receptor. It can also directly suppress the NMDA receptor slightly.

Objective To observe the effect of Tangluotong Decoction(Decoctions of removing obstruction of meridians for treating diabetes)based on the principle of reinforcing kidney,activating blood and removing obstruction of meridians on the early diabetic nephropathy(DN)patients.Methods Totally 68 DN patients were randomized into two groups.In addition to the routine treatment for diabetes,the treatment group(38 patients)was administered Tangluotong Decoction while the control group(30 patients)was giv- en Lossartan Potassium Tablets.The clinical symptoms and signs and lab indices before and after treatment were observed.Results The comprehensive total effective rate of the treatment group was 89.47% while that of control group was 60.00%,the difference was significant(P

0.05). Both Bosu and Enalapril could lower blood pressure remarkably (P

Objective To evaluate the clinical utility of CMV pp65 antigenemia by CMV brite Kit for predicting active/reactive CMV infection S as well as of CMV diseases in bone marrow or peripheral stem cell transplant patients. We also investigated the efficacy of preemptive therapy guided by detection of CMV antigenemia. Methods A total of 210 EDTA anticoagulant plasma samples from 36 bone marrow or Peripheral Stem Cell Transplant Patients were prospectively collected from September 1999 to April 2000. The specific CMV antibody IgG/IgM of all patients were detected by ELISA. We detected CMV pp65 antigenemia by indirect immunofluorescence assay using CMV Brite Kit. All blood samples were detected weekly from week 3 after bone marrow transplantation until 100 days or antigenemia turning negative/dischage or death. Ganciclovir preemptive therapy was initiated at first positive pp65 antigenemia. Results Of 36 bone marrow or Peripheral Stem Cell Transplant Patients, 16 patients occurred positive pp65 antigenemia, 15 patients suffered from symptomatic CMV infections or CMV diseases. In 14 patients of positive pp65 antigenemia receiving gaciclovir therapy at first antigenemia, 2 patients died (mortality rate 14.2%), 12 patients of pp65 antigenemia became negative. Otherwise, 2 untreated cases died. The study showed a significant difference in mortality rate between treated and untreated patients (P