Objective To investigate the prostate cancer diagnosis value of prostate-specific antigen (PSA) and free prostate-specific antigen (FPSA) change quantity before and after antibiotic treatment in patients with abnormal PSA.Methods Eighty-five patients with elevated PSA were selected,and the patients were treated with antibiotic (levofloxacin intravenous drip for 1 week).The PSA and FPSA levels were detected before and after treatment.All of the patients underwent prostate needle puncture biopsy.The relation between the PSA,FPSA change quantity before and after treatment and the puncture biopsy positive rate were analyzed.Results The PSA and FPSA levels after treatment were significantly lower than those before treatment:(5.82 ± 1.61) μ g/L vs.(7.71 ± 1.32) μ g/L and (0.80 ± 0.14) μ g/L vs.(0.98 ± 0.17) μ g/L,there were statistical differences (P ＜ 0.05).In 85 patients,10 cases were puncture biopsy positive.After treatment,no PSA change was in 8 cases,PSA decreased ＜ 10％ was in 27 cases,PSA decreased 10％-30％ in 24 cases,PSA decreased 31％-50％ was in 18 cases,and PSA decreased ＞ 50％ was in 8 eases,and puncture biopsy positive were 1 case (1/8),4 cases (14.8％,4/27),3 cases (12.5％,3/24),2 cases (2/18),0case,respectively.Conclusions The PSA can decrease after antibiotic treatment in patients with abnormal PSA,and small decrease of PSA does not mean that the risk of prostate cancer disappears,but the PSA decrease ＞ 50％ after antibiotic treatment means the risk of prostate cancer decreases,which may be closely observed.In patients unable to tolerate or unwilling to accept the prostate needle puncture biopsy,the PSA change quantity before and after antibiotic treatment can help to diagnose prostate cancer.

Many studies have proven that arsenic trioxide (As2 O3 )as a single agent is not effective against hepatocellular carcinoma (HCC).Many scholars believe that chemotherapy drug resistance of HCC to As2 O3 is the most important reason.The underlying drug resistance mechanism of HCC cells to As2 O3 remains unclear.Studies show that potential mechanism may be tightly associated with As2 O3 pharmacokinetics and properties of HCC tissues and complex molecular biology.

Objective To observe the therapeutic effects and assess the feasibility of radiofrequency thermo- coagulation denervation(TRD)mediated by digital subtraction angiography(DSA)for patients with lumbar facet joint syndrome(LFJS).Methods Eighty LFJS patients were randomly divided into two groups:a denervated group(groupⅠ)and a control group (groupⅡ).The lumbar facet joints of the patients in groupⅠwere treated with TRD,while those in groupⅡhad their lumbar facet joint cavities injected with the mixture of 1 mg betamethasone and 1 ml lidocaine.All patients were assessed using the Visual Analog Scale(VAS)before treatment and 30 rain,1 d, 1 w,1 m and 6 m after.Schober values were measured at 1 w,1 m and 6 m after treatment.The therapeutic effects and side effects were assessed at 6 m after treatment.Results VAS scores in groupsⅠandⅡat 30 min,1 d,1 w and 1 m after treatment were remarkably lower than before treatment.In addition,those in groupⅠ6m after treatment were also significantly lower(P＜0.01).Compared with those in the groupⅡ,VAS scores in groupⅠwere signifi- cantly decreased at 1 m and 6 m after treatment(P＜0.05 and P＜0.01,respectively).The schober values in groupⅠat 1 m and 6m were obviously increased in comparison with those in groupⅡ,while the therapeutic effects in groupⅠat 6m after treatment were better than those in groupⅡ(P＜0.01).There were no side effects,such as injuries to the nerve roots or dysfunctional dermal sensation,in either group.Conclusion TRD,mediated by DSA,has ther- apeutic effects on LFJS.Such treatment is safe,convenient,and gives long-term pain relief.

Objective To study the human brucellosis infection status and its epidemic feature during 2003-2006.Methods A total of 485 blood samples of serum underwent rose bengal plate test(RBPT)and serum agglutination test(SAT),which include 422 cases having a history of contacting with sheep/goats or cattle,22 suspected eases,and 41 cases having contacted with infected persons.All cases were diagnosed according serology test and epidemiologic survey.Results The positive rates of Serum antibodies(SAT titer)were 8.8%(12/137),12.7%(8/63),13.1%(22/171)and 16.2%(19/114),respectively,during 2003 to 2006 in Tangshan,in an increasing Rend and peaked in the second and the third seasons 77.0%(47/61).The mostly infected population were those who contacted with sheep/goats or cattle,accounting for 98.4%(60/61).Livestock farmers 86.9%(53/61),and veterinarians 8.2%(5/61)were mostly likely to be infected.Assay of serum antibodies is negative in the persons contacting with infected cases.Conclusions The prevalence of human brucellsis had presented a rising tendency in highly dangerous crowd of Tangshan.Contacting with infected livestock(such as sheep/goats or cattle),especially their aborted materials and placenta were mainly transmitted modes of human brucellsis.However,cases of person-to-person transmission has not been discovered in this study.

Objective To study the influence of fluoride on the expression of Runx2 in suckling rat osteoblasts. Methods Osteoblasts obtained from calvarium of suckling Wistar rats were cultured in the media supplemented with NaF at different doses(0, 1,2 and 4 rag/L), and Runx2 Mrna expression and protein expression were evaluated by RT-PCR and ELISA, respectively. Results Runx2 Mrna expression in suckling rat osteoblasts cultured in vitro significantly increased after exposure to NaF for 48 h at different doses (0.613±0.055, 0.773±0.070 and 0.775±0.070 for 1,2 and 4 mg/L,respecfively) compared to the control (0.482±0.043 ,P< 0.05). Runx2 Mrna expression further increased after 72 h exposure to NaF(0.969±0.048,1.229±0.061,1.255± 0.063 for 1,2 and 4 mg/L, respectively) ,which is significantly higher than the control(0.724±0.036,P<0.05) and corresponding groups at 48 h. NaF doses and exposure time exhibited a significant synergistic effect on Runx2 Mrna expression (P<0.05). Similarly, NaF also enhanced Bunx2 protein expression in suckling rat osteoblasts cultured in vitro. Significant differences were observed between groups exposed to NaF (1,2 and 4 rag/L) and control at48 h post-exposure (0.141±0.007, 0.143±0.008, 0.143±0.011 vs 0.129±0.012, P<0.05) as well as 72 h post-expesure(0.156±0.014, 0.168±0.018, 0.162±0.0100 vs 0.137±0.016, P<0.05). In addition, Runx2 protein expression at 72 h post-exposure was significantly higher than that at 48 h. Conclusions The results suggested that NaF could increase Runx2 expression in suckling rat osteoblasts with a synergistic effect between the doses and exposure time.

Objective To explore the feasibility of labeling and tracing in vitro goat bone marrow mesenchymal stem cells (BMSCs) by bromodeoxyuridine (BrdU) on the basis of investigation of its optimal concentration, incubating time and cytotoxicity. Methods A healthy goat, aged 10 months old, male, weighing 32 kg, was used in this study. Bone marrow was aspirated. BMSCs were isolated and cultured using the adherence method in vitro. The fourth passage of BMSCs (P4) were incubated with BrdU at 5, 10, 15, 20 μmol/L as 5, 10, 15, 20 μmol/L BMSC groups. Cells were not labeled by BrdU as negative control. The following parameters were measured: induction, differentiation and determination of goat BMSCs; the optimal mass concentration and incubation time of 5-BrdU labeling; cell positive rate at 12, 24, 48 and 72 hours in each group using immunofluoreseenee; the cell survival rate after various concentrations of BrdU ladling by trypan-blue exclusion. Results The morphology of the primary and passage goat BMSCs was fusiform in shape. Goat BMSCs could differentiate into osteoblasts and chondrocytes following induction. BMSC nucleus showed green fluorescence under fluorescence microscope after being labeled by BrdU. The mean labeling rate increased with the increase in the concentration and incubation time of BrdU, and reached to (93.32± 3.25)% after incubation in 15 μmol/L, BrdU for 48 hours. There were no significant differences between 15 μmol/L BrdU for 72 hours, 20 μmol/L BrdU for 48 hours and 72 hours (P > 0.05), or between the other groups or time points (P < 0.05). The labeling rate of the blank control group was 0. The cell survival rate was all above 90% (P > 0.05). Conclusions BrdU can be used as a labeling marker for goat BMSCs. When the concentration is 15 μmol/L and the incubation time is 48 hours, the optimal labeling effect can be achieved. Goat BMSCs labeled with BrdU is of high efficiency and safety.

Objective The purpose of this study was to prepare RGD4C modified ferritin nanocages (RGD4C-FRT) for targeted drug delivery to rat hepatic stellate cells (HSC-T6). Methods RGD4C modified human H-chain ferritin was expressed and purified. Doxorubicin (Dox) was encapsulated into the cavity of RGD4C-FRT through ion channels, which resulted in RGD4C-FRT-Dox. The target of RGD4C-FRT-Dox to HSC-T6 was detected using fluorescence microscopy. Results Transmission electron microscopy showed that RGD4C-FRT was hollow spherical-structured with uniform size and good dispersion. The average particle diameters of RGD4C-FRT and RGD4C-FRT-Dox were 12.57 nm and 20.13 nm , respectively. The drug encapsulation efficiency and loading percentage of RGD4C-FRT-Dox were 77.32% and 15.88% respectively. RGD4C-FRT-Dox was significantly uptaken by HSC-T6, and the uptake could be blocked by the empty carrier RGD4C-FRT. Conclusion RGD4C-FRT-Dox can specifically target HSC-T6. Further animal experiments are needed to inspect its therapeutic effect on liver fibrosis.

OBJECTIVETo compare the therapeutic effects of peripheral facial paralysis in acute stage by different interventions and explore the better treatments of peripheral facial paralysis.

METHODSOne hundred and thirty one cases of Bell's facial paralysis were randomly divided into three groups. In acupuncture group (44 cases), Dicang (ST 4), Jiache (ST 6), Hegu (LI 4), Yangbai (GB 14) and Taiyang (EX-HN 5), etc. were applied; in electroacupuncture group (45 cases), the selection of acupoints and needling method were same as those in acupuncture group, and the electroacupuncture therapy was applied on Dicang (ST 4), Xiaguan (ST 7), Yangbai (GB 14) and Taiyang (EX-HN 5) in acute stage; in medication and acupuncture group (42 cases), Prednisone and Acyclovir were taken by oral administration, Vitamin B1 and Vitamin B12, were applied by intramuscular injection in acute stage, and acupuncture was applied by the way which was same as that in acupuncture group during quiescent and recovery stages. The curative effects were evaluated by House-Brackmann Grading Scale, and the failed rates were observed by follow-up after one and three months.

RESULTSThe cured and markedly effective rates were 79.6% (35/44), 93.4% (42/45) and 78.6% (33/42) respectively in acupuncture group, electroacupuncture group and medication and acupuncture group, and the result in electroacupuncture group was superior to those in acupuncture group and medication and acupuncture group (P < 0.05). The cured rates above tympanichord were 54.2% (13/24), 85.2% (23/27) and 48.0% (12/25) in acupuncture group, electroacupuncture group and medication and acupuncture group, and the result in electroacupuncture group was superior to those in acupuncture group and medication and acupuncture group (P < 0.01). There was no significant differences of cured rates below tympanichord among three groups (P > 0.05); and the failed rate in electroacupuncture group was much lower than those in acupuncture group and medication and acupuncture group by follow-up after one and three months (all P < 0.01).

CONCLUSIONThe peripheral facial paralysis is effectively treated by electroacupuncture in acute stage, and it suggests that electroacupuncture should be applied early during the acupuncture treatment of peripheral facial paralysis.

Acupuncture Points ; Acupuncture Therapy ; Acyclovir ; administration & dosage ; Adolescent ; Adult ; Aged ; Electroacupuncture ; Facial Paralysis ; drug therapy ; pathology ; therapy ; Female ; Humans ; Male ; Middle Aged ; Prednisone ; administration & dosage ; Treatment Outcome ; Young Adult

Objective:To analyze the clinical phenotype, imaging characteristics and genetic characteristics of a family of early-onset dementia caused by a new mutation in the triggerring receptor expressing on myeloid cells 2 gene (TREM2).Methods:Clinical data were collected from a patient with early-onset dementia. Then whole exome sequencing was performed for the proband, followed by Sanger sequencing for the family members.Results:The clinical manifestations of the proband (a 49-year-old female) was personality changes, mental and behavioral abnormalities, memory loss, ataxia, and seizures. Whole-exon sequencing revealed a novel homozygous mutation in exon 2 of TREM2, namely c.154C>T (p.R52C) heterozygosity in four family members, and one patient with similar clinical manifestations was deceased. The proband′s brain magnetic resonance imaging showed bilateral frontotemporal atrophy, bilateral white matter hyperintensity, thin corpus callosum. No bone cysts of the hands and feet were found by digital radiographic imaging.Conclusions:A homozygous mutation in TREM2 gene was detected in a patient with frontotemporal dementia-like dementia, epilepsy, but without bone cysts. This mutation is probably pathogenic. This research highlights the importance of TREM2 gene mutation screening in early-onset dementia, especially in those with atypical presentations.

The experiment is designed to explore pathological festures and material basis of pseadoanaphylactoid reaction induced by notoginseng total saponin preparation. Mouse pseadoanaphylactoid reaction was used, 50 ICR mice were randomly assigned to control group, positive medicine group, notoginseng total saponin preparation low-dose group, notoginseng total saponin preparation middle-dose group, notoginseng total saponin preparation high-dose group on average. They are treated by intravenous injection of test substance solutions containing 0.4% Evans blue (EB). 30 min later, scores of ear blue staining and quantitation of ear EB exudation were recorded. Another two experiment were repeated in the same way excluding EB, just to. detect the related cytokines in serum using ELISA. We found that the scores of pseudoanaphylactoid reaction in notoginseng total saponin preparation injection middle-dose group and high-dose group was evidently higher than that in control group, suggesting that notoginseng total saponin preparation injection may be can lead to pseadoanaphylactoid reaction. HE staining showed that pseadoanaphylactoid reaction induced by notoginseng total saponin preparation injection is related to inflammation. Histamine, VEGF and TNF-α levels in notoginseng total saponin preparation middle-dose group and high-dose group significantly increased (P < 0.05, P < 0.01) than control group and showed a dose-dependent manner as well as consistent with the degree of ear blue dye. While IL-6 and IL-10 content did not increase significantly in notoginseng total saponin preparation low-dose group and middle-dose group, but they significantly higher than control group (P < 0.05, P < 0.01) when it increased to quadrupe clinical concentrations, eight times of the clinical dose. So pseadoanaphylactoid reaction caused by notoginseng total saponin preparation may be related to histamine, VEGF, TNF-α, and it is possible that IL-6 and IL-10 can play a role when pseadoanaphylactoid reaction achieve a certain high degree.
Anaphylaxis ; chemically induced ; Animals ; Capillary Permeability ; drug effects ; Cytokines ; blood ; Dose-Response Relationship, Drug ; Drug Hypersensitivity ; etiology ; Mice ; Mice, Inbred ICR ; Panax notoginseng ; adverse effects ; chemistry ; Saponins ; adverse effects