Circulating tumor markers have been paid more attention in the application of the treatment for breast cancer, the level of which has extended from protein to gene, including traditional tumor markers, HER-2 extracellular domain, circulating tumor cells, circulating tumor DNA (ctDNA), circulating RNA (ctRNA) and so on. As “liquid detection”, the detection of circulating tumor markers with real-time dynamic, easy operation, good reproducibility and other advantages are widely used in aiding early diagnosis, determining prognosis, prospectively predicting response or resistance to speciifc therapies, surveillance after primary surgery, and monitoring therapy in patients with advanced disease, The further study of circulating tumor markers may contribute to patient’s individual treatment.

AIM: To investigate the protective effect of fluvastatin and its influence on ICAM-1 mRNA expression in ischemia/reperfusion myocardium of normocholesterolemic rabbits. METHODS: 24 rabbits were divided into three groups randomly and myocardial ischemia/reperfusion model in the rabbit was made. Rabbits were subjected to 45 min of regional myocardial ischemia and 2 h of reperfusion. 10 mg?kg~ -1 ?d~ -1 fluvastatin were administered for one week. Dynamic index of blood flow was recorded and analyzed. Serum activity of CK, CKMB, LDH and LDH-1 were measured. The expression of ICAM-1 mRNA in ischemic myocardium was detected with semi-quantitative RT-PCR. RESULTS: In comparison with control group, pretreatment with fluvastatin decreased LVEDP at the whole observed duration, and spontaneously increased ?dp/dt_ max . Serum activities of CK, CKMB and LDH-1 in control group were significantly higher than those in sham group, but heavily reduced in fluvastatin group. Increased expression of ICAM-1 mRNA due to ischemia reperfusion was reduced significantly in fluvastatin group compare to control group. CONCLUSION: Pretreatment of fluvastatin may reduce inflammation reaction in reperfused myocardium, and this may contribute to its protective effect against experimental myocardial ischemia reperfusion injury.

Objective:To analyze the immune function regulation and clinical effect of dust mite drops desensitization treatment on children with allergic rhinitis.Methods:80 patients with allergic rhinitis and adenoid hypertrophy treated in our department from January 2012 to June 2014 were selected and randomly divided into experimental group and control group.Control group was treated with ebastine and levocabastine treatment, the experimental group was treated with sublingual containing Dermatophagoides Farinae Drops on the basis of control group.The level of IL-2,IL-6,house dust mite specific IgE (sIgE),dust mite IgE (T-IgE),house dust mite specific IgG4 ( sIgE in) ,blood addicted eosinophile cells ( EOS) ,and induced sputum EOS level were compared between the two groups before treatment and after 2 years treatment.Results:The level of IL-2 in the two groups was significantly higher than that before treatment,the level of IL-6 was significantly lower than that before treatment ( P<0.05 ) .After treatment, the level of IL-2 in the experimental group was significantly higher than that in the control group, the level of IL-6 was significantly lower than that in the control group( P<0.05 ).After treatment, the level of sIgE, T-IgE, blood EOS and induced sputum EOS in the two groups were significantly lower than before treatment,the level of sIgG4 were significantly higher than those before treatment (P<0.05).After the treatment,the level of sIgE, T-IgE, blood EOS and induced sputum EOS in experimental group were significantly lower than control group,and the level of sIgG4 was significantly higher than that in control group ( P<0.05).After treatment,the asthma symptom scores and nasal symptom scores of the two groups were significantly lower than before treatment (P<0.05),and those index of experimental group after treatment were significantly lower than control group ( P<0.05 ).Conclusion: Combine the basis of conventional therapy plus with Dermatophagoides Farinae Drops in the treatment of allergic rhinitis and adenoid hypertrophy children can effectively regulate the immune function of the patients,has good clinical efficacy.

ObjectiveTo investigate the clinical effect of pendulum and straight wire technology in patients with fully erupted second molar.MethodsPatients with Angle class Ⅱ malocclusion were chosen.Control group included patients without erupted second molar.Experimental group included patients with completely erupted second molar.Pendulums were used in two groups to distalize maxillary molars.Then straight wire orthodontic treatment had been performed until treatment was over.Cephalograms of each stage were analyzed.ResultsIn the experimental group,mesiobuccal cusp of first molar was distalized for 4.62 mm,geometric center was distalized for 3.75 mm,about 81 percent of the movement of mesiobuccal cusp.In control group,mesiobuccal cusp of first molar was dis talized for 5.78 mm,geometric center was distalized for 3.20 mm,about 55 percent of the movement of mesiobuccal cusp.It turned out first molar was distalized in both groups,but more rotation took place in control group than that in the experimental group.ConclusionsPendulum can distalize maxillary first and second molars in patients with completely erupted second molar.The pendulum and straight wire technology can treat these patients successfully.

Objective To investigate the positive rates and susceptibility of Ureaplasma urealyticum(Uu) and Mycoplasma hominis(Mh) in urogenital mycoplasma infection under three years.Methods Culture,identification and susceptibility test were performed on 4 414 specimens collected from suspected patients with mycoplasma infection by using Antu mycoplasma kits.Results In the 4 414 patients,2 295 cases with mycoplasma infection were detected and the positive rate was 51.99％.The infection rates of Uu and Mh respectively were 40.69％ and 2.08％,and the both infection rate was 9.22％.Antibiotic sensitive rates of josamycin(JOX),doxycycline(DOX),clarithromycin(CLA),gatifloxacin(GAT) and erythromycin(ERY) were 96.03％,95.51 ％,78.69 ％％,77.21 ％ and 72.55 ％.Drug resistant rates of roxithromycin(RXT),thiamphenicol (THI),clindamycin (CLI) and clarithromycin(CLA) were 16.90％,22.27％,41.96％ and 17.60％.Conclusion Uu is the predominant mycoplasma in urogenital tract infection in the study.DOX,JOS,GAT and ERY can be chosen as the fist line drugs for the treatment of urogenital tract infection.RXT,THI,CLI and CLA with high drug resistant rates are not recommended to be used.

Objective According to international classification criteria (2002) on Sjogren' s syndrome, labial pathology was still considered as a major criterion for diagnosis. Standard labial biopsy was hard to be carried out in China. This study is to evaluate whether the invasive labial biopsy could be replaced by noninvasive detection of serum anti-SSA antibody. Methods 181 Chinese patients with the initial diagnosis of primary Sjogren's syndrome in Peking Union Medical College Hospital (PUMCH) were enrolled in Sjogren's International Collaborative Clinical Alliance (SICCA). All patients received standard labial biopsies (area of salivary gland tissues≥4 mm~2) and focal score (FS) of focal lymphatic sialadenitis were confirmed by pathologists from school of stomatology,University California of San Francisco (UCSF). Anti-SSA antibodies in sera of all patients were detected by double immunodiffusion (DID), Western blot in PUMCH and by enzyme-linked immunosorbent assay (EIJSA) in central laboratory of SICCA. The correlation between labial pathological findings and serum anti-SSA antibody was studied by X~2 test and the concordance was calculated by unweighted Kappa. Results(1)Bivariate analysis revealed strong associations of FS > 1 with the presence of anti-SSA antibody by DID (83.9% vs 42. 0%, P <0. 0001). The accordance between FS and antibody detection by DID was fine with a kappa value of 0. 432. However, there were 16. 1% false-positive antibody reports and 42.0% false-negative antibody reports. (2)FS > 1 was strongly associated with the presence of anti-SSA antibody by Western blot (83.0% vs 51.7%, P < O. 0001). But the accordance between FS and antibody detection by Western blot was only fair with a kappa value of 0. 316. There were 17.0% false-positive antibody reports and 51.7% false-negative antibody reports. (3)FS > 1 was strongly associated with the presence of anti-SSA antibody by ELISA (81.5% vs 38.6%, P <0. 0001). The accordance between FS and antibody detection by EI,ISA was fine with a kappa value of 0.427. There were 18.5% false-positive antibody reports and 38. 6% false-negative antibody reports. Conclusion In Sjogren's syndrome, labial biopsy with FS > 1 finding is strongly associated with anti-SSA antibody. Positive results of anti-SSA antibodies by DID or ELISA may indicate FS > 1, thus labial biopsy could relatively be avoided, negative results may need further standard labial biopsy procedure to confirm the diagnosis of Sjogren's syndrome.

Child, Preschool ; China ; epidemiology ; Enterovirus A, Human ; genetics ; Female ; Hand, Foot and Mouth Disease ; epidemiology ; Humans ; Infant ; Male ; Molecular Epidemiology

OBJECTIVE: To evaluate whether dexmedetomidine hydrochloride, an α2-adrenergic receptor agonist, can prevent oxidative damage to alveolar macrophages induced by H2O2. METHODS: We used methyl thiazolyl tetrazolium (MTT) colorimetry to test the effect of different concentrations and action time of H2O2 on the survival rate of alveolar macrophages, and then we chose the appropriate H2O2 concentration and action time to build NR8383 cell oxidative damage model. After pre-conditioning of 0.01, 0.10, and 1.00 μmol/L dexmedetomidine hydrochloride for 24 hours, MTT colorimetry was used to demonstrate the survival rate of NR8383 cells damaged by H2O2, and the release of lactate dehydrogenase (LDH) and TNF-α by H2O2-damaged NR8383 cells was detected by corresponding kit. RESULTS: At 50-300 μmol/L, H2O2 caused concentration-dependent oxidative damage in the alveolar macrophages, decreased the cell survival rate, and increased LDH and TNF-α release. At 0.01-1.00 μmol/L dexmedetomidine hydrochloride concentration-dependently protected NR8383 cells from oxidative damage induced by H2O2, significantly increased the cell survival rate, decreased LDH and TNF-α release, and this effect of dexmedetomidine hydrochloride was dose-dependent. Yohimbine, an α2 - adrenergic receptor antagonist, completely neutralized the protective effect of dexmedetomidine hydrochloride on NR8383 cells without affecting the oxidative damage of NR8383 cells. CONCLUSION Dexmedetomidine hydrochloride can prevent alveolar macrophages from oxidative damage induced by H2O2, which may play a protective role through α2 - adrenergic receptors.
Animals ; Cell Line ; Cell Survival ; Dexmedetomidine ; pharmacology ; Hydrogen Peroxide ; L-Lactate Dehydrogenase ; metabolism ; Macrophages, Alveolar ; drug effects ; Oxidative Stress ; Rats ; Receptors, Adrenergic, alpha-2 ; metabolism ; Tumor Necrosis Factor-alpha ; metabolism

OBJECTIVE: Explore the model of universal NICU newborns' hearing screening in high-risk neonates, preliminary understanding factor of hearing damage. METHOD: Transient evoked otoacoustic emissions (TEOAE) and automatic auditory brainstem response (AABR) were used to detect newborns' hearing in 13 315 objects, that is newborns' hearing screening in NICU with TEOAE test who not pass, 42 days after will use AABR rescreening. Children's Hearing Center of Guangxi Child Health Hospital will diagnose the newborns that did not pass in 3 months. RESULT: In these 13 315 newborns, 5 151 subjects who did not pass the initial screening, 1910 subjects who also did not pass after 42 days, 1167 subjects cannot pass the rescreening after 3 months, 642 subjects were diagnosed congenital hearing impairment by Brainstem Auditory Evoked Potential Test, the rate is 4.82%. CONCLUSION TEOAE and AABR are the suitable model of universal newborns' hearing screening in high-risk neonates.
Evoked Potentials, Auditory, Brain Stem ; Female ; Follow-Up Studies ; Hearing Tests ; Humans ; Infant, Newborn ; Intensive Care Units, Neonatal ; Male ; Neonatal Screening

Objective To explore the effect of expression of protein kinase C receptor 1(RACK1) induced by lipopolysaccharide (LPS) on Sonic hedgehog(SHH) signaling pathway in rat puhnonary microvascular endothelial cells (RPMVEC).Methods The healthy male SPF grade SD rat with 100-120 g body weight were gotten from the laboratory animal center of Anhui province.Using immunocytochemistry method,the expression of RACK1 protein in RPMVECs was detected,cultured RPMVECs were randomly divided into different groups as LPS dose-dependent group,SAG(smoothened Agonist,a SHH signaling pathway specific agonist) dose-dependent group,LPS time-dependent group,SAG time-dependent group and LPS+SAG group.In LPS dose-dependent groups,RPMVECs were cultured with 0.1,1,10 mg/L LPS for 8 h.In LPS time-dependent groups,RPMVECs were cultured with 10 mg/L LPS for 0,2,4,8,12,24 h.In SAG dose-dependent groups,RPMVECs were cultured with 0.1,1,10 μ mol/L for 8 h.In SAG time-dependent groups,RPMVECs were cultured with 1 μ mol/L SAG for 0,2,4,8,12,24 h.In LPS+SAG group,RPMVECs were cultured with 1 μ mol/L SAG 8 h after 10 mg/L LPS treatment for 1 h.In addition,blank group,LPS group and SAG group were set for control.Western blot were used to detect the level of RACK1 and RT-PCR were used to detect the expression of GLI-1 mRNA after intervention.Results Immunocytochemistry revealed that RACK1 were present in RPMVEC.1.In LPS dose-dependent groups (0,0.1,1,10 mg/L),the level of RACK1 elevated as LPS dose increased correspondingly with inter-group difference (P＜0.05);the relative expression levels of GLI-1 mRNA were (1.109 + 0.063),(1.039 + 0.135),(0.813 ± 0.066),(0.770 + 0.105),(1 mg/L vs.10 mg/L,P＞0.05;the rest P＜0.05).In LPS time-dependent groups,the relative expression level of RACK1 at 2 h (0.370 + 0.010) was higher than that at 0 h (0.329 ± 0.008),peaked at 12 h (1.296 ± 0.048),and compared with 0 h,there was significant differences (F=1 272.204,P＜0.05).The relative expression level of GLI-1 mRNA was decreased at 2 h (0.929 ±-0.007),and compared with 0 h(1.089 ± 0.042),there was significant differences (F=306.609,P＜0.05).2.In SAG dose-dependent groups,there was no significant difference in level of RACK1 between groups(all P＞0.05).The relative expression levels ofGLI-1 mRNA were (1.109 ± 0.063),(1.169 ± 0.052),(3.468 ± 0.128),(3.434 ± 0.054),(0 μ mol/L vs.0.1 μ mol/L and 1 μ mol/L vs.10 μ mol/L,P＞0.05,the rest P＜0.05).Among SAG time-dependent groups,there was no significant difference in levels of RACK1 protein(P＞0.05).The relative expression level of GLI-1 mRNA increased at 2 h (3.027 ± 0.065),and compared with 0 h (2.651 + 0.123),there was significant differences (F=132.841,P＜0.05).3.In LPS+SAG intervention groups,the expression of RACKI was lower than that in LPS group (0.831 ±0.040 vs.1.189 ± 0.149,P＜0.05),and the expression of GLI-1 mRNA was higher than that in LPS group (2.720 + 0.130 vs.0.796-4-0.082,P＜0.05).Conclusions The LPS up-regulates the expression of RACK1 in RPMVECs,and the activated SHH signaling pathway can down-regulate the expression of RACK1 induced by LPS in RPMVECs.