Objective To determine the effect of hypothermia on gene transcription and protein expression of calpain after traumatic brain injury (TBI). Methods Twenty-seven rats were randomly divided into three groups, ie, normal control group, normothermia TBI group and hypothermia TBI group. All rats with TBI were suffered from a lateral fluid percussion injury (FPI) at the right parietal lobe. Hy-pothermia intervention [rectal temperature for (32 ± 0.5) ℃] was performed for four hours immediately after TBI in hypothermia TBI group. Fluorescence PCR and Western blot were utilized to semi-quantify gene transcription and protein expression of ealpain and immunofluorescence used to observe protein dis-tribution of Calpain. Results Compared with normothermia TBi group and normal control group, hypo-thermia TBI group showed increased calpain gene transcription at 12 and 24 hours respectively after FPI (P <0.05). However, the increase of ealpain protein expression in hypothermia TBI group was inhibited more significantly by hypothermia at 6,12,24 and 72 hours after TBI, compared with normothermia TBI group (P < 0.05). Conclusion Neuroproteetion of hypothermia after TBI may somewhat be related to the decrease of calpain protein expression after its gene transcription.

Objective To compare the efficacy of amisulpride and other SGAs in treating the negative symptoms of Schizophrenia.Methods The randomized controlled trials (RCTs) about Schizophrenia treated with amisulpride and other SGAs from Jan 1995 to Mar 2013 were searched in The Pubmed,EMbase,Cochrane Library,WanFang Data,CNKI and VIP.Two reviewers independently screened the literatures,extracted the data,and evaluated the methodological quality.Than meta-analyses were conducted by using RevMan 5.1 and Stata 12.0 software.Results The totall3 RCTs were included.Among the 1814 patients involved.The results of meta-analyses showed that the score of PANSS-N was no significant differences between two groups (MD =-0.33,95％ CI:(-0.87,0.21),Z =1.20,P =0.23) ; and the score of SANS was no significant differences between two groups (MD =-0.21,95％ CI:(-1.51,1.50),Z =0.31,P =0.76).The side effects were more in other SGAs group than those in amisulpride group.Conclusion Amisulpride is as effective as other SGAs for the treatment of schizophrenia with predominantly negative symptoms,and it has more advantage than other SGAs in safety.

OBJECTIVETo investigate the effects of different concentrations of lipopolysaccharide (LPS), tumor necrosis factor α (TNFα), interleukin-6 (IL-6), dexamethasone (Dex), and insulin on the mRNA and protein expressions of GPR54 in the MCF7 cell line in vitro.

METHODSMCF7 breasr cancer cells were cultured and treated with different concentrations of LPS (10 and 20 µg/ml), TNFα (20 and 100 ng/ml), IL-6 (10 and 20 ng/ml), Dex (10(-6) and 10(-7) mol/L), and insulin (0.01 and 0.1 IU/L). Those treated with culture fluid only served as controls. The mRNA and protein expressions of GPR54 were measured by real-time PCR and Western blot, respectively, after 6, 24, 48, and 72 hours of treatment.

RESULTSCompared with the blank con- trol, LPS (10 and 20 µg/ml), TNFα (20 and 100 ng/ml), IL-6 (10 and 20 ng/ml), Dex (10(-6) and 10(-7) mol/L), and insulin (0.01 and 0.1 IU/L) significantly increased the expressions of GPR54 mRNA (P < 0.05) and protein (P < 0.05).

CONCLUSIONLPS, TNFα, IL-6, Dex, and insulin evidently increase the expression of GPR54 in the MCF7 cell line, indicating their influence on the function of gonads by regulating the GPR54 level.

Blotting, Western ; Dexamethasone ; administration & dosage ; pharmacology ; Glucocorticoids ; administration & dosage ; pharmacology ; Gonads ; drug effects ; metabolism ; Humans ; Hypoglycemic Agents ; administration & dosage ; pharmacology ; Insulin ; administration & dosage ; pharmacology ; Interleukin-6 ; administration & dosage ; pharmacology ; Lipopolysaccharides ; administration & dosage ; pharmacology ; MCF-7 Cells ; RNA, Messenger ; metabolism ; Real-Time Polymerase Chain Reaction ; Receptors, G-Protein-Coupled ; drug effects ; genetics ; metabolism ; Receptors, Kisspeptin-1 ; Time Factors ; Tumor Necrosis Factor-alpha ; administration & dosage ; pharmacology

OBJECTIVE: To study the psychological aspects of tinnitus patients, to analyze the distribution of psychologic obstacle in tinnitus patients, and then to provide information for diagnosing and treating tinnitus clinically. METHOD: All patients were detected their frequency and loudness of tinnitus. Then they were evaluated by symptom checklist 90 (SCL-90), life satisfaction scale, Pittsburgh sleep quality index (PSQI) and tinnitus handicap inventory (THI). All data were analyzed with statistical software SPSS11.0. RESULT: (1)There was no straight line correlation between frequency, loudness of tinnitus and the patient's scores from SCL-90, life satisfaction rating scale (LSR), life satisfaction index A (LSIA), LSIB, PSQI, THI. (2) To 76 tinnitus patients, some factors of SCL-90 were higher than internal nom. Compared with internal nom, tinnitus patients' score of LSR, LSIA and LSIB were all lower than it. Many of tinnitus patients had sleep disorder, the ratio was higher than internal nom. (3) Grouping these patients, based on the score of THI. To THI four grade group and THI five grade group, their satisfaction of lives were lower, some factors of SCL-90 were higher than internal nom. To THI five grade group, the ratio about sleep disorder was higher than internal nom. CONCLUSION There is no straight line correlation between frequency, loudness of tinnitus and the patient's scores from SCL-90, LSR, LSIA, LSIB, PSQ1, THI. Grouping based on the score of THI, the groups of THI four grade and THI five grade are approved that they have psychologic obstacle obviously, they should be paid close attention.
Adolescent ; Adult ; Aged ; Female ; Humans ; Male ; Middle Aged ; Quality of Life ; Surveys and Questionnaires ; Tinnitus ; psychology ; Young Adult

Objective To investigate the mRNA and protein expressions of Nav 1.1 and Nav 1.2 in hippocampus following traumatic brain injury ( TBI) in rats.Methods After the lateral fluid percussion model was established in adult male Sprague Dawley rats,the rats were sacrificed at 2,12,24 and 72 hours after percussion and collected ipsilateral hippocampus for detecting mRNA and protein expressions of Nav 1.1 and Nav 1.2 by means of fluorescent quantitation RT-PCR,Western blot and immunofluo rescence staining.Results The mRNA expressions of Nav 1.1 and Nav 1.2 were significantly down-regulated (P<0.01) in hippocampus and reached the lowest level at 2 hours following TBI.The protein expression of Nav 1.1 was significantly down-regulated (P<0.01) but recovered near to level of control group at 72 hours after TBI.While there was no statistical difference on protein expression of Nav 1.2 in hippocampus after TBI compared with control group (P>0.05).Conclusion TBI induces significant down-regulated mRNA and protein expressions of Nav 1.1 in the hippocampus,which may be one of molecular mechanisms for functional alternation of sodium channels and excitotoxic action following TBI.

Objective To compare the ability of the fourth and the third generation HIV assay kits available in Chinese market to detect early HIV infection.Methods 8 BBI HIV seroconversion panels (PRB924,930,940,942,943,944,946 and 948) and 2 National AIDS Reference Lab's HIV seroconversion panels (2004XJ727 and 20505217) were respectively detected with one HIV antigen assay kit,2 fourth generation HIV assay kits and 4 third generation HIV assay kits.The ability of these kits to detect early HIV infection was analyzed and compared.Results For every panel,the fourth generation HIV assay kits could detect HIV-1 infection 4 to 8 days earlier than the third generation kits,and 2 to 4 days later than the antigen kit.The detection ability of different brands of kits was different.Conclusions The fourth generation HIV assay kits could reduce the window period to detect HIV infection.It's meaningful for diagnosing early HIV infection,blood safety and etc.

Objective To observe the clinical features and prognosis of endogenous bacterial endophthalmitis (EBE).Methods Ten eyes of 10 patients diagnosed with unilateral EBE were retrospectively reviewed,including 7 males and 3 females.The mean age was 57.6± 10.8 years old.Eight patients were with diabetes and 7 of them were diagnosed over 5 years.There were 3 patients with hepatocirrhosis,1 patient with hypertension,and 1 patient with coronary disease.Nine cases had infectious diseases,including liver abscess (7 cases),pulmonary infection (3 cases),erysipelas (1 case) and perianal abscess (1 case).Seven cases had fever history.Culture and drug sensitive tests for aerobic bacteria,anaerobic bacteria and fungal were performed for 9 eyes using vitreous samples from the procedures of vitrectomy and/or intravitreal injection.All patients were treated with broad-spectrum antibiotics and adjusted for drug use according to microbiological culture and drug sensitivity test results.After the diagnosis was established,vitrectomy combined with lens removal was performed in 5 hours (3 eyes) and 24 hours (5 eyes);Vitreous tamponade of C3F8 (1 eye) and silicone oil (7 eyes) was used;At the end of the operation,0.1 ml vancomycin (1 mg) and 0.1 ml ceftazidime (1 mg) were injected into the vitreous cavity.One eye received intravitreal injection of 0.1 ml vancomycin (1 mg) and 0.1 ml ceftazidime (mg),one eye received evisceration.During the follow up period from 6 to 24 months,visual function,slit lamp and fundus examinations were performed at each office visit.Results All patients complained of blurred vision and 5 patients had ocular pain.The visual acuity was no light perception (3 eyes),light perception (5 eyes);hand motion (1 eye) and 0.1 (1 eye).Corneal edema was found in all 10 eyes;hypopyon in 8 eyes;diffuse vitreous opacity in 10 eyes,including 3 eyes with retinal detachment.For 8 eyes treated by vitrectomy and intravitreal injection,1 eye was eviscerated due to uncontrolled inflammation.The eye treated with intravitreal injection was enucleated for its uncontrolled inflammation.For 9 eyes received vitreous culture and drug testing,8 eyes (88.9％) had positive results,including 5 eyes with Klebsiellar pneumonia,and 1 eye with Staphylococcus aureus,or Streptococcus agalactiae or Enterococcus faecalis respectively.At last office visit,2 eyes were with no light perception;4 eyes were with hand motion;and 1 eye with visual acuity of 0.1.Conclusions Most of the patients with endogenous bacterial endophthalmitis have systemic predisposing factors.Klebsiella pneumoniae is the leading cause of ocular EBE.Vitrectomy combined with intravitreal injection of antibiotics showed efficacy in treating EBE.

Objective To investigate neuroprotective effect of AM-36 on secondary brain injury following traumatic brain injury(TBI)in rats.Methods A total of 38 male Sprague-Dawley rats were divided into an experimental group,a control group and a sham operation group,then sustained to moder- ate TBI.AM-36(0.1 ml/100 g)was administered intraperitoneally in the experimental group and isoton- ic saline solution was administered intraperitoneally in the control and the sham operation groups at 30 mi- nutes,24 and 48 hours after TBI,respectively.The brain water content was determined at 24 hours after TBI.Rats were sacrificed by decapitation at 24 hours or one week after TBI for observing histological changes in peripheral cortex,thalamus and hippocampus by means of Hematoxylin and Eosin staining and Fluoro-Jade(F-J)staining.Results The brain water content of bilateral hemispheres 24 hours after TBI in the experimental group was significantly decreased,compared to that of the control group.Histo- logical examination revealed less degenerating neurons(F-J positive neurons)in the cortex,thalamus, CAI and CA3 of the hippocampus in AM-36 treated rats 24 hours and one week after injury(P＜0.05). Conclusion Systemic administration of AM-36 at the early stage after TBI can decrease brain water content and exert neuroprotective effect on TBI.F-J staining can be used for histopathologic quantitation of neuronal damage,for it can accurately exhibit pathologic changes following TBI induced by fluid per- cussion.

Objective To study the role of ligustrazine injection on collagen-Ⅲ(Col-Ⅲ) and laminin(LN) in pulmonary fibrosis rats induced by bleomycin A5.Methods Seventy Wistar rats were divided into 5 groups at random:normal group,model group,large-dose group,middle-dose group,little-dose group.The other groups were injected bleomycin A5 in intratrache except for normal group.From the second day,large-dose group,middle-dose group,little-dose group were given ligustrazine injection by intraperitoneal injection to 28th day,the dose was dividedly:250,150,40 mg/(kg?d).Col-Ⅲ and LN in serum were detected in 14th,28th days and the content of them in lung tissue homogenate in 28th day were also detected.HE staining was detected on lung tissue.Results The contents of Col-Ⅲ and LN of lung tissue and serum in pulmonary fibrosis rats were significantly upgraded compared with that of normal group(P

Objective To examine the correlation between end-tidal carbon dioxide (PetCO2) and arterial CO2 (PaCO2) among patients admitted in neurosurgical intensive care unit (NICU) and the factors affecting the PaCO2-PetCO2 [P (a-et) CO2].Methods Thirty-two intubated or cut-trachea patients who presented in the NICU were enrolled.Arterial blood gas test was done at seven every morning,and values of PetCO2 were compared with simultaneously recorded PaCO2.The normal gap of P (a-et) CO2 was defined as-5 mmHg to 5 mmHg.Concordance between PaCO2 and PetCO2 was analyzed using the Bland-Altman plot.Parameters between the normal and high P(a-et) CO2 groups were compared to identify the factors affecting the P(a-et) CO2,including Glasgow Coma Scale(GCS),blood pressure (BP),heart rate (HR),respiration rate (RR),body temperature (BT),and pulse oxygen saturation (SpO2).Results Allvalues of PaCO2 and PetCO2 were in accordance with normal distribution (r =0.668,P ＜ 0.01) and concordance between PaCO2 and PetCO2 was 69.8％.Patients who had high P(aet) CO2 showed lower initial GCS,lower instant GCS,BT,as well as pH and higher actual bicarbonate (AB) and PetCO2 than the patients with normal P (a-et) CO2.Correlation between PaCO2 and PetCO2 rapidly declined when positive end expiratory pressure(PEEP) was greater than 5 mmH2O(r =0.229,P ＜ 0.01).Conclusions PetCO2 correlates well with PaCO2 and appears to be a useful monitor of respiratory function of the patients consecutively.Initial GCS,BT,AB and PEEP have an impact on P(a-et) CO2,so those factors should be considered when attempting to monitor the hyperventilation with PetCO2.