Objective To study the impact of gender,gender role and gender traits on depression in adolescents.Methods A sample of 1330 middle school students from seven provinces in China completed Beck Depression Inventory (BDI) and Gender Traits Inventory.Results 27.1 percents of participants displayed the symptoms of depression.The mean score of males of BDI was 10.04 ± 8.38 while that of females was 10.33 ± 8.37,indicating that there was no sex differences in depression of adolescents(P=0.535).The participants could be classified into 4 sex role types:masculine,feminine,androgynous and undifferentiated,and the BDI mean score of each type was 9.51 ± 7.66,12.30 ± 8.81,9.14 ± 8.10,10.72 ± 8.66,and significant differences were found among adolescents with different gender roles (P =0.000).BDI scores of the feminine adolescents were the highest among the four gender roles,which were significantly higher than scores of the masculine and androgynous adolescents (P =0.000).Regression analysis indicated that adolescents with more positive masculine traits tended to be less depressive (t =-4.966,P ＜ 0.01) while adolescents with more negative masculine (t =2.574,P ＜ 0.01) or feminine (t =10.566,P ＜ 0.01)traits tended to be more depressive.Conclusion Gender role rather than gender has greater impacts on adolescent depression,and specifically,positive masculine traits represent protective factors for depression.

Objective To analyse the role of haptoglobin in the immunomodulatory in patients with premature coronary heart disease.Methods Clinical data of 60 premature coronary heart disease patients and 40 healthy people was analysed.The general information and serume haptoglobin,hs-CRP and IL-6 were compared.Results There were no statistically difference between the two groups of the general information such as sex,years,BMI,hypertension and diabetes (P>0.05),excepts the smoking history(27/33 vs 9/31,χ2=3.324,P<0.05).Hp,hs-CRP and IL-6 levels in the observer group were signifi-cantly higher than the control group,the difference was statistically significant (97.76±23.08 mg/L vs 65.81±19.42 mg/L,10.43±3.81 mg/L vs 3.05±0.94 mg/L,16.43±4.59 pg/L vs 4.62±1.83 pg/L,P<0.001).Correlation analysis showed that in the observer group Hp and hs-CRP showed a significant positive correlation (r=0.518,P<0.001),and the same results was found between IL-6 and Hp (r= 0.291,P=0.024).Conclusion Haptoglobin level was significantly in-creased in patients with coronary heart disease,which suggested that haptoglobin played a role in the development of coro-nary heart disease,and its level was correlated with IL-6.

Objective To observe the effect of tai chi chuan on anneal dyspnea and endurance stamina of patients with chronic obstructive pulmonary disease (COPD).Methods 80 COPD patients were randomly divided into control group (n=40) and training group (n=40). The common therapy of two groups was the same; but the training group was added with Chen style tai chi chuan training for 30 minutes one day. At the same time, all patients were evaluated about the dyspnesa exponent before and after 3 months training.Results There were no significant differences in FEV1(%), FEV1/FVC(%),heart rate and breath frequency/minute before and after treatment (P>0.05) between two groups, but in dyspnea exponent, there was a significant difference between two groups (P<0.05).Conclusion Tai chi chuan training can reduce the symptom of COPD patients.

AIM: To study the instant effect of circumstance temperature on mechanical properties of single living intact human red blood cell. METHODS: The shape, size, membrane bending elastic modulus and shear elastic modulus of single living intact red blood cell was determined with non-invasive, in situ, real time by employing a static micro-image analyzing and a dynamic micro-image analyzing system. RESULTS: The contact area and diameter of red blood cells were decreased as the temperature increased from 35 ℃ to 43 ℃. The membrane bending elastic modulus and shear elastic modulus of single living intact red blood cell were the least at physiological temperature 37 ℃. CONCLUSION: Red blood cells are easy to carry out their physiological functions such as carrying oxygen to all of the body with the best shape and mechanical deformation at 37 ℃.

Humans ; Imaging, Three-Dimensional ; methods ; Movement ; Neoplasms ; radiotherapy ; Patient Compliance ; Radiometry ; Radiotherapy Dosage ; Radiotherapy, Conformal ; methods ; Respiration

12E7 Antigen ; Adolescent ; Alkaline Phosphatase ; metabolism ; Antigens, CD ; metabolism ; Cell Adhesion Molecules ; metabolism ; Diagnosis, Differential ; Female ; Follow-Up Studies ; Gonadoblastoma ; pathology ; Humans ; Immunohistochemistry ; Isoenzymes ; metabolism ; Neoplasms, Germ Cell and Embryonal ; metabolism ; pathology ; surgery ; Ovarian Neoplasms ; metabolism ; pathology ; surgery ; Proliferating Cell Nuclear Antigen ; metabolism ; Sex Cord-Gonadal Stromal Tumors ; metabolism ; pathology ; surgery

A total of 104 patients with cervical squamous cell cancer (Figo Ⅰ b2-Ⅱ b) were recruited during March 2006 and October 2011.One group (A,n =50) received preoperative intravenous neoadjuvant chemotherapy while another group (B,n =54) had interventional arterial chemotherapy plus bilateral uterine artery embolization.Surgery was performed for those with a change of cancer size either as complete or partial remission at Week 2 post-chemotherapy according to the WHO evaluation criteria.Otherwise radiotherapy was implemented.The ratio of surgery after chemotherapy was 70％ (n =35) in Group A versus 87％ (n =47) in Group B (P ＜ 0.05).For Group A,there were blood vessel invasion (n =6,17％),lymph node metastasis (n =8,23％) and positive margin (n =1,3％).For Group B,(n =7,15％),(n =9,21％) and (n =1,2％).There was no significant inter-group statistic difference (P ＞ 0.05).Preoperative chemotherapy is effective for cervical squamous cancer (tumor diameter ＞ 4 cm)with fewer side effects.

BACKGROUND: Body temperature has significant effects on brainstem auditory evoked potentials (BAEP). The wave latency of BAEP is the sensitive and objective index for reflecting the effects of body temperature on the synaptic transmission and nerve fiber conduction. The wave origin of electrocochleogram (ECochG) and the effects of body temperature on it need to be probed into to further define its wave origin so as to guide its clinical application.OBJECTIVE: To observe the effects of body temperature on ECochG and provide important basis for further defining its wave origin and guiding its clinical application.DESIGN: A randomized block design.MATERIALS: This study was performed in the Department of Physiology, Medical College of Jinan University between July and September 2002. Forty adult guinea pigs were randomly divided into hypothermia group (n=20) and hyperthermia group (n=20).INTERVENTIONS: The body temperature of the guinea pigs was decreased or increased step by step with their body contacted with physical method. and the changed rate of body temperature was kept as decreased or increased by 1 ℃ every 5-10 minutes. BAEP and ECochG were detected when the body temperature was changed by 1 ℃.MAIN OUTCOME MEASURES: The PL and IPL of BAEP and ECochG were observed.RESULTS: Finally, 37 guinea pigs were involved in the analysis of relonged as the body temperature was decreased step by step from 36 ℃ to 25 ℃, and shortened as the body temperature was increased gradually from 36 ℃ to 42 ℃. The PL and Ⅰ-Ⅳ IPL prolonged or shortened more significantly with the temperature changed. The PL of wave N1, N2 and N3 and N1-N3 IPL of ECochG also prolonged or shortened as the body temperature perature,the total prolonged and shortened values of Ⅰ -Ⅳ IPL representing the central transmission time of brainstem were much greater than that of wave Ⅰ PL representing the peripheral conduction time, .and the total prolonged and shortened values of thePL of wave Ⅱ , Ⅲ and Ⅳ originating from the brainstem centers were much greater than that of wave Ⅰ originating fromthe auditory nerve. The total prolonged and shortened values of N1-N3 IPL were greater than that of wave N1 PL representing the peripheral conduction time, and the total prolonged and shortened values of the PL of wave N2 and N3 were much greater than that of wave N1 originating from the auditorynerve.CONCLUSION: The significant effects of body temperature on ECochG are similar to those of BAEP, and the origin of wave N2 and N3 of ECochG is higher than that of wave N1 that originates from the auditory nerve.

0.05).Conclusion The treatment with clopidogrel aspirine and low molecular heparin is secure and effective.

Objective To observe the effects of pentabrominated diphenyl ether (BED-99) on the histological structure and function of the thyroid of rats. Methods Forty SPF, SD rats aged 4 weeks, were randomly divided into 4 groups according to the body weight,10 in each group. The rats were treated with BED-99 at the doses of 30 mg/kg,60 mg/kg,120 mg/kg,respectively, through gavage. The rats in the control group were received the equal volume of corn oil. The levels of serum hormone were determined,the change of histopathology,histochemistry and follicular cells ultramicroscopic structure were observed at 15 days of exposure to BED-99. Results Serum levels of thyroxin (FT4),triiodothyronine (FT3),decreased gradually with dose increase at 15 days of exposure to BED-99.However,thyroid stimulating hormone (TSH) levels increased. The thyroid follicular epithelium hyperplasia was aggravated gradually with dose increase. Proliferating cell nuclear antigen (PCNA) positive cells increased constantly with dose increase. The activities of thyroperoxidase (TPO) and succinate dehydrogenase (SDH) of the treated rats increased significantly compared with the controls,and appeared color darkened. The rough endoplasmic reticulum of the thyroid follicular cells changed to saccate under the electron microscope,whereas nucleolus,cell membrane and mitochondria were not injured. Conclusion BDE-99 may damage the histological structure and function of the thyroid, the mechanism may be that BDE-99 down-regulates the thyroglobulin synthesis and then induces thyroxin level decrease which causes an increase of TSH through feedback.