Adolescent ; Adult ; Female ; Health Status ; Humans ; Male ; Medical Staff ; Middle Aged ; Occupational Health ; Risk Factors ; Sampling Studies ; Surveys and Questionnaires ; Young Adult

Background Primary open angle glaucoma(POAG) is a common type of glaucoma.It has been well known that a lot of factors are associated with the pathogenesis of POAG,but genetic factor plays a critical role.Optineurin (OPTN)gene is the second confirmed POAG-relevant gene,and screening its mutation in the population contribute to the deeply understanding of the pathogenesis of POAG.Objective The present study was to investigate the association between sequence variants of OPTN gene and POAG in Chinese patients.Methods DNA was isolated from peripheral blood of 100 POAG patients and 60 cataract individuals.The coding exons of OPTN gene were amplified by PCR.PCR products were then sequenced directly to assay the variants and contrasted to original sequence in GenBank.This study was approved by the Ethical Committee of Shenzhen Eye Hospital.All the subjects signed the written inform consent.Results A case-controlled study was designed.The mean intraocular pressure (IOP)of the POAG patients was (29.0±6.5)mmHg,and that of the cataract patients was (13.7 ±2.4)mmHg.Variant of synonymous coding T34T was found in 60 POAG patients.Genetic type frequencies of AA,GA and GG were 10％,50％ and 40％ in the POAG patients,and those of cataract patients were 0,25％ and 75％ respectively,showing significant difference between them (x2 =20.416,P =0.000).The allele frequencies of A and G were 35％ and 65％ in the POAG patients,and those of cataract patients were 12.5％ and 87.5％,with a statistically significant difference (x2 ＝ 19.464,P =0.000).The sequence changes of non-synonymous coding variants (M98K,691-692insA G,R545Q,H486R) were also found in both POAG and cataract patients,but no significant difference was seen in the genetype and allele frequencies between two groups (P＞0.05).Conclusions No obvious association of OPTN gene variant with POAG is verified.The variant of T34T maybe increase the risk of POAG.

OBJECTIVETo investigate the effect of paraquat on induction of cell damage and miR-133b expression in PC12 cells.

METHODSCytotoxicity of PC12 cells was measured by MTT assay, following the PC12 cells treatment with 50, 100, or 300 µmol/L paraquat. Cell apoptosis was examined by the method of Annexin V-FITC/PI in flow cytometry (FCM) and the relative level of miR-133b expression was measured by real time RT-PCR, following the PC12 cells treatment with 100 or 300 µmol/L paraquat.

RESULTSSurvival rate of PC12 cells treated with 100 or 300 µmol/L paraquat was lower than that of the vehicle control group (P < 0.01, P < 0.05), in the dose dependent pattern. Apoptotic rate of PC12 cells treated with 100, 300 µmol/L paraquat was higher than that of the vehicle control group (P < 0.05). The relative level of miR-133b expression of PC12 cells treated with 300 µmol/L paraquat was higher than that of the vehicle control group (P < 0.05).

CONCLUSIONSParaquat may cause cell damage and induce apoptosis in PC12 cells, and induce miR-133b expression.

Animals ; Apoptosis ; drug effects ; MicroRNAs ; metabolism ; PC12 Cells ; Paraquat ; toxicity ; Rats

The recombinaut porcine insulin precursor(PIP)produced by Pichia pastoris in shake-flask and 501.fermenter was investigated respectively.The results indicated that 60h induction time length and 2.0%～2.5% methanol addition every day was optimum in shake- flask.The process in 50L fermenter was consisted of batch,feed-batch and induction phases.The relationship between dry cell weight(y) and culture time (t) in growth phase(batch and feed-batch phase)could be described by model y=0.6525e~(0.1907t).Glycerol and ammonia were almost used for cell growth and maintain,and no by-product was observed in batch and fed-batch phase Only 80% ammonia and 70% methanol were used by cell in induction phase.By comparison the results of shake-flask and 50L fermenter,it was concluded that the limit- ing factor in the fermentation of shake-flask and 50L fermenter was dissolved oxygen(DO)and.carbon source,respectively.When scaling the result of shake-flask to 501.fermenter,the control strategy was adapted for 50L fermenter by increasing the feed rate of methanol and the maximum PIP concentration reached 1.72 g/L.

Andrographolide total ester sulfonate (ATES) injection is one of the products of traditional Chinese medicine (TCM) currently used against viral infection in China.ATES injection was approved for manufacturing and marketing in January 2002.It is indicated for acute respiratory infections,tonsillitis,chronic obstructive pulmonary disease,influenza,foot and mouth disease,bronchiolitis,herpangina,mumps,infectious mononucleosis and psychosis.However,its usage also carries risk.We investigated the use of ATES at the Wuhan Union Hospital from January 2014 to December 2014 and evaluated its real-word clinical application using the hospital centralized monitoring method.A total of 848 cases were enrolled in this study.In these cases,it was mainly used for postoperative anti-inflammation and treating upper respiratory infection,pneumonia and bronchitis.Among them,39.86％ were contraindicated.Irregular medication of adults and children accounted for 1.91％ and 23.38％,respectively.Improper choice of solvent accounted for 3.18％.The choice of intravenous drip versus aerosol inhalation was reasonable.A case of adverse events (AEs) was observed in the monitoring period,and the incidence of adverse drug reaction (ADR) of ATES injection was 0.12％.ATES injection in our hospital is relatively safe with a low incidence of adverse reactions.The study assesses the clinical usage and adverse reactions of ATES injection,and provides suggestions for rational use in clinical practice.

Chromosomes, Human, Y ; Deleted in Azoospermia 1 Protein ; Gene Deletion ; Humans ; Infertility, Male ; genetics ; Male ; RNA-Binding Proteins ; genetics

Objective:To evaluate the anxiety and depression symptoms of burning mouth syndrome (BMS), and to explore risk factors to BMS.Method:In this case-control study,147 patients with BMS and 140 sex-and age-matched healthy volunteers were recruited.Three questionnaires were used to collect information of psychical and mental condition.The Self-Rating Anxiety Scale (SAS)and Self-Rating Depression Scale (SDS)were applied to evaluate symptoms of anxiety and depression.The scores of SAS and SDS were statistically analyzed by t-test.The risk factors of BMS were statistically analyzed by Chi-square test and logistic regression analysis.Result:The scores of SAS and SDS were higher in the patients with BMS than in the controls [SAS:(44.4 ±9.9)vs. (35.7 ±6.2);SDS:(48.1 ±11.6)vs.(37.5 ±8.9)].The risk factors of BMS included ischemic stroke (OR =4.46,95%CI:1.87 -10.95),low level of education (OR =1.91,95%CI:1.04 -3.49),anxiety symptom (OR =8.12,95%CI:2.60 -25.37)and depression symptom (OR =2.57,95%CI:1.26 -5.27).Conclusion:BMS is a multi-factorial disease.It indicates that ischemic stroke,lower level of education,anxiety symptom and depression symptom are the risk factors of BMS.A positive association could be established between psychological alterations and BMS.According to these findings it can be assumed that mental factors should be taking into account in the etiologyof BMS.It should be advocated to treat BMS patients by psychotherapy.

OBJECTIVETo investigate the effect of cadmium (Cd) on estrogen receptor and to assess its endocrine disrupting action.

METHODSThe estrogen receptor rich supernatant was prepared from the ovariectomized Sprague-Dawley rats. The effects of cadmium on estrogen binding were performed using a sing-dose ligand-binding assay. Extract from uterus were treated with various concentrations of cadmium (0, 10(-3), 10(-5) or 10(-7) mol/L) for various pre-incubation time (0, 30, 60, 90 min) by means of orthogonal experimental design with orthogonal layout of L16(4(5)) (the experiment was repeated for 5 times). In addition to the radioinert competitor, each assay included a zero tube and a DES standard curve for quality control purpose. Data for cadmium and the DES standard curve were plotted as percent [3H]-E2 bound versus log (molar concentration), and the IC50 for cadmium was determined. The RBA for cadmium was calculated by dividing the IC50 of DES in terms of the IC50 of cadmium.

RESULTSCadmium could not block the binding of estradiol to the receptor because hormone binding did not change with increasing cadmium concentration or increasing preincubation time. The results showed that the binding of [3H]-estradiol to uterine cytosols was not significant (P > 0.05). The Bmax (its unit is pmol/mg protein) of various concentrations of cadmium (0, 10(-3), 10(-5) or 10(-7) mol/L) for pre-incubating 0 min is 203.15 +/- 75.16, 203.41 +/- 22.78, 220.82 +/- 45.35, 209.10 +/- 49.66 respectively; The Bmax of them for pre-incubating 30 min is 215.67 +/- 92.97, 139.79 +/- 53.78, 205.27 +/- 23.60, 172.63 +/- 55.09 respectively. The Bmax of them for pre-incubating 60 min is 197.11 +/- 50.68, 203.24 +/- 66.33, 183.92 +/- 31.89, 183.33 +/- 32.70, respectively. The Bmax of them for pre-incubating 90 min is 229.69 +/- 76.88, 175.70 +/- 70.28, 164.26 +/- 24.46, 150.78 +/- 65.97 respectively. Mean IC50 for cadmium is 10(-4) - 10(-3) M. If the affinities of DES binding to estrogen receptors was taken to be 100%, the relative binding affinities of cadmium was 10(-6) - 10(-7). The results indicated that cadmium had only a very poor affinity with estrogen receptor.

CONCLUSIONIn vitro assay cadmium did not have distinct disrupting effect on binding of estradiol to estrogen receptors from rat uterine.

Animals ; Cadmium ; toxicity ; Female ; In Vitro Techniques ; Rats ; Rats, Sprague-Dawley ; Receptors, Estrogen ; drug effects ; metabolism ; Uterus ; drug effects ; metabolism

To evaluate the papilla alterations around single-implant restorations in the anterior maxillae after crown attachment and to study the influence of soft tissue thickness on the papilla fill alteration. According to the inclusion criteria, 32 patients subjected to implant-supported single-tooth restorations in anterior maxillae were included. The patients were assigned to two groups according to the mucosal thickness: (i) group 1, 1.5 mm s mucosal thickness 3 mm; and (ii) group 2, 3 mm Adult ; Crowns ; Dental Implantation, Endosseous ; methods ; Dental Implants, Single-Tooth ; Dental Prosthesis Design ; Dental Prosthesis, Implant-Supported ; Esthetics, Dental ; Female ; Follow-Up Studies ; Gingiva ; anatomy & histology ; Humans ; Male ; Maxilla ; Middle Aged ; Outcome Assessment (Health Care) ; Prospective Studies ; Tooth Cervix ; anatomy & histology ; Young Adult

OBJECTIVETo investigate the correlation of male infertility with abnormality of chromosomal quantity and construction and with the deletion of DAZ gene copy in the AZFc region of Y chromosome.

METHODSIncluded in the study were 247 azoospermic and 206 severe oligozoospermic patients, as well as 210 fertile men as controls. Multi-PCR and PCR-RFLP were used to analyze the deletion of DAZ gene copies in the AZFc region of Y chromosome. Chromosomal quantity and construction were detected by G-band in the 453 patients.

RESULTSIn the azoospermic and severe oligozoospermic patients, the incidences of chromosomal abnormality were 12.6% and 8.3%; the rates of complete DAZ deletion were 7.7% and 11.2%, and the rates of DAZ1/DAZ2 deletion were 7.3% and 4.9% respectively, but no deletion was detected in the controls.

CONCLUSIONThere is a high frequency of chromosomal abnormality and DAZ gene copy deletion in patients with azoospermia and oligospermia, which suggests that chromosomal abnormality and partial and complete deletion of DAZ gene copy might be important genetic causes of Chinese male infertility.

China ; epidemiology ; Chromosome Deletion ; Chromosomes, Human, Y ; genetics ; Deleted in Azoospermia 1 Protein ; Gene Dosage ; Humans ; Infertility, Male ; epidemiology ; genetics ; Male ; Oligospermia ; epidemiology ; genetics ; Polymerase Chain Reaction ; Polymorphism, Restriction Fragment Length ; RNA-Binding Proteins ; genetics ; Sex Chromosome Aberrations