Adaptation, Psychological ; Adolescent ; Adult ; Coal Mining ; Humans ; Male ; Mental Health ; Middle Aged ; Psychology, Industrial ; Young Adult

Objective To observe the distribution features of phosphorylated p 44/42 extracellular signal-regulated kinase(p-ERK) induced by affective pain in the anterior cingulate cortex (ACC) of the rat.Methods Twelve male SD rats were randomly divided into the control group (n=6) and spinal nerve ligation (SNL) group (n=6).The rats of the SNL group were exposed to unilateral L5 spinal nerve ligation (SNL) surgery.The behavior was examined by mechanical pain thresholds (MPTs) and the pain affect was measured using open-field test, elevated zero maze.The expressions of p-ERK in ACC (AP 3.2,2.7,2.2mm from Bregma) were detected with immunofluorescence test .Results In comparison with the control group , the unilateral mechanical pain threshold in the SNL group decreased significantly after operation . The operation also resulted in pronounced anxiety-like behavior .The p-ERK labelled cells in different levels of ACC ( AP 3.2,2.7,2.2mm from Bregma) of SNL rats were (11.89 ±2.57),(32 ±4.67 ) and (17.56 ±2.04 ), respectively, while the control group rats were (12.44 ±2.16),(10 ±0.87 ) and (10.11 ±1.36).These data indicated that compared with the control group, the expressions of p-ERK in ACC(AP 2.7,2.2mm from Bregma) increased significantly in the SNL group after operation(P<0.01), besides for the level of ACC(AP 3.2mm from Bregma) (P>0.05).Conclusion The results suggest that the neuropathic pain can result in anxiety-like behavior and increased expressions of p-ERK in ACC of the rat.This change may be closely related to the expressions of p-ERK in ACC(AP 2.7,2.2mm from Bregma), but not to the level of ACC(AP 3.2mm from Bregma).

Objective To explore the relationship between mechanical withdrawal threshold ( MWTs) and local cutaneous blood perfusion ( BP ) in rats with acute inflammation induced by carrageenan.Methods Twenty male Sprague-Dawley ( SD) rats were randomly divided into control and model groups.The acute inflammatory rat model was established by subcutaneously injecting with carrageenan into the left hindpaw.MWTs were measured by Dynamic Plantar Aesthesiometer 37450 before injection ( as base) of carrageenan and at 4 h, 24 h, 48 h, 72 h after carrageenan injection. The local cutaneous BP was detected by Pericam Perfusion Speckle Imager ( Pericam PSI) at the time after measuring of MWTs.The above two behaviors were compared and the relationship between them was analyzed.Results MWTs of the model group rats were decreased while BP significantly increased than that in the control group ( P<0.01 ) .The MWTs and BP in the model rats showed a negative correlation, especially the correlation index showed significant differences at 4 h and 72 h after carrageenan injection ( P<0.01) .Conclusions Carrageenan-induced acute inflammation in rats causes significant changes in mechanical pain threshold, which has a negative correlation with local cutaneous blood perfusion.

Workplace

To discuss the feasibility of the pharmacodynamic evaluation method for traditional Chinese medicine (TCM) formula particles, with traditional decoction for reference and the intervention of Magnoliae Officinalis Cortex in rats with ulcerative colitis (UC). First of all, the similarity of traditional Magnoliae Officinalis Cortex decoction and formula particles of different manufacturers was defined by using the IR fingerprint. The UC rat model was established and given Houpo formula particles of different doses and manufacturers, with the decoction for reference, in order to observe disease activity index (DAI), colon mucosa damage index (CMDI), pathologic changes, nitric oxide (NO), endothdin (ET), substance P, vasoactive intestinal peptide (VIP). Their intervention effects on UC rats were compared to study the difference between Sanjiu and Tianjiang Houpo formula particles, in order to demonstrate the feasibility of the pharmacodynamic evaluation method for Houpo formula particles. According to the results, Houpo formula particles showed similar pharmacodynamic actions with the traditional decoction. The pharmacodynamic comparison of Houpo formula particles of different manufacturers showed no statistical significance. The experiment showed that on the basis of the TCM compounds, a prescription dismantlement study was conducted to define target points of various drugs. The traditional decoction was selected for reference in the comparison of corresponding formula particles for their pharmacodynamic equivalence. This method could avoid controversies about single or combined boiling of formula particles, and give objective comments on the pharmacodynamic effect of the formula particles. The method is proved to be feasible.
Animals ; Chemistry, Pharmaceutical ; methods ; Colitis, Ulcerative ; drug therapy ; metabolism ; Dosage Forms ; Drug Evaluation, Preclinical ; Drugs, Chinese Herbal ; adverse effects ; chemistry ; pharmacokinetics ; Humans ; Magnolia ; chemistry ; Male ; Rats ; Rats, Wistar ; Substance P ; metabolism ; Vasoactive Intestinal Peptide ; metabolism

OBJECTIVETo explore the genotypes of human papilloma virus (HPV) in male patients with condyloma acuminate in Lishui area of Zhejiang Province, China.

METHODSUsing HybriMax, we identified the genotypes of HPV of the verruca samples from 110 male condyloma acuminate patients aged 16 - 65 years in Lishui area.

RESULTSHPV infection was detected in 107 (97.27%) of the condyloma acuminate patients, including 76 cases (71.02%) of simple infection and 31 cases (28.97%) of multiple infection. The peak age of infection was 21 - 40 years old. Totally, 14 genotypes of HPV were identified, including the high-risk genotypes as HPV16, 53, 52, 33, CP8304, 58, 51, 45, 66, 68, and 59, which accounted for 44.85% of the cases, and the low-risk ones as HPV6, 11, and 19 (43), with an infection rate of 93.45%.

CONCLUSIONThe low-risk genotype is a dominant type of HPV infection and the rates of high-risk genotype and multiple infection are high among the male condyloma acuminate patients in Lishui area.

Adolescent ; Adult ; Aged ; China ; Condylomata Acuminata ; virology ; Genotype ; Humans ; Male ; Middle Aged ; Papillomaviridae ; genetics ; Papillomavirus Infections ; virology ; Risk ; Young Adult

[Objective]To observe the intervention of Electroacupuncture at Point Jianyu(LI15) on Rabbit Model of Scapulohumeral Periarthritis for receiving possible mechanism.[Methods ]Thirty healthy rabbits(male or female) were randomly divided into three groups:scapulohumeral periarthritis model group,EA Jianyu group and Ibuprofen control group.Each group respectively were detected the concentrations of serum PGE2 before model and treatment and after treatment,and then killed them to achieve tendons of shoulder which were detected the concentrations of Hydroxyproline.And achieve tissues around shoulder which were studied by HE to investigate the changes of the histology.[Results]The concentrations of serum PGE2 had no notable difference between EA Jianyu and model group,Ibuprofen control group and model group after treatment.But it was lowered after treatment than before treatment by EA Jianyu.There were no significantly difference among the three groups about concentrations of Hydroxyproline in tendons,but Ibuprofen control group was higher than EA Jianyu group.Tissues of the shoulder were observed that EA Jianyu restrained reaction of inflammation and degenerescence of tissues,and promoted it better.[Conclusions] EA Jianyu has anti-inflammatory effect and cuts back on the degree of degenerescence of tissues on scapulohumeral periarthritis model in rabbit.

Objective To study CT diagnosis of vitreous diseases in childhood.Methods 95 patients with vitreous diseases from 1999-12—2004-10 were collected.The imaging features were analysed.Results Totally there were 5 cases of persistent hyperplastic primary vitreous,9 cases of premature with retinopathy,34 cases of retinoblastoma,3 cases of Coat’s disease,23 cases of nanophthalmus,16 cases of vitreous bleeding and 5 cases of endophalmitis.Conclusion Majority of vitreous diseases can be diagnosed definitely by CT,that can guide the clinical therapy.

0.999) and the limits of detection were 0.03-0.6 ng/ml. The average recoveries were 85.5%-113.1%, RSDs were 1.8%-4.6%. Conclusion With the accuracy, high sensitivity and reproducibility, the method is suitable for the determination of organochlorine pesticide residues in the honey.

Objective To know the situation of HCH and DDT residues in the health foods in Shandong Province, China. Methods HCH and DDT residues in 102 different kinds of health food samples were determined by capillary gas chromatography in 2006. Results The detection rate of HCH was 100%, the eligible rate was 97%, as for DDT, they were 62.7% and 96.1% respectively. Conclusion The situation of organochlorine pesticide residues in the health foods in Shandong Province is not satisfactory and to ensure the quality of the health foods, a powerful supervision should be taken, the raw materials of the health foods should be natural and no pollution.