Expression of PRL receptor mRNA in Jurkat D1.1 cell line was confirmed by RT PCR. CD154 expression of Jurkat cells was significantly increased when these cells were incubated with PHA and recombinant human PRL, suggesting that binding of PRL to its receptor promotes CD154 expression which plays a role in immune regulation.

Objective:To investigate the expression of prolactin receptor(PRLr) in human immune system.Methods:Specimens of human immune system were obtained from both central and peripheral immune organs, including thymus(thymoma), bone marrow, lymph node and peripheral blood mononuclear cells. Specific fragments of PRLr mRNA were obtained through RNA isolation and RT-PCR amplification and confirmed by DNA sequencing.Results:PRLr mRNA was detected from the thymoma, bone marrow, lymph node and peripheral blood mononuclear cells. All the PRLr cDNA fragments generated by PCR were as long as the expected length, which was 276 bp. The sequencing result of the cDNA was identical to the sequence of PRLr cDNA in GeneBank.Conclusion:The study confirmed that prolactin receptor mRNA was expressed in human central immune organs such as thymus and bone marrow and peripheral immune organs such as lymph node and peripheral blood mononuclear cells. This phenomenon provided a biologic structural evidence that neuro-endocrine hormone PRL might play a modulating role on immune cells from receptor's point of view.

Objective To evaluate the efficacy of the nasopharyngeal airway for airway management during anesthesia recovery in obese patients. Methods Eighty ASA Ⅰ-Ⅲ patients, aged 48-72 yr, body mass index > 30 kg/m~2 , were randomly divided into 2 groups (n=40 each) : nasopharyngeal airway group (group Ⅰ) and oropharyngeal airway group (group Ⅱ). The extubation was performed after recovery of breathing (RR ≥ 10 bpm, V_T≥5 ml/kg). The nasopharyngeal airway was inserted though the nasal cavity immediately after extnhation in group Ⅰ, and the oropharyngeal airway was inserted though the oral cavity after extubation in group Ⅱ. Oxygen (3 L/min) was then inhaled by mask until recovery of consciousness in both groups, and if SpO_2 < 90%, the rescue medication was given. The changes in RR, SpO_2 , HR, SP and DP were observed at 1 min (T_1), 5 min (T_2), 10 min (T_3) and 20 min (T_4) after insertion of the airway and complications were recorded in 20 min after insertion of the airway. Results The RR, SpO_2, HR, SP and DP were all maintained in the normal range after insertion of the airway in both groups. The RR,HR, SP and DP at T_(3,4) and incidence of resdessness, nausea and vomiting, and laryngospasm were significantly lower in group Ⅰ than in group Ⅱ (P<0.05), while there was no significant difference in SpO_2 at each time point between group Ⅰ and group Ⅱ(P>0.05). Conclusion The efficacy of the nasopharyngeal airway is similar to that of the oropharyngeal airway for the relief of the upper respiratory tract obstruction during anesthesia recovery in obese patients, but the stress response induced is lower and complications are fewer.

Objective To investigate the correlation of serum ereatine kinase iseenzyme-MB (CK-MB) and recent cardiac events(30 days, 180 days) and late cardiac events (360 days) in patients with acute coronary syndrome (ACS). Methods Serum creatine kinase (CK) and CK-MB in 168 patients with ACS were measured, and these patients were divided into four groups according to the levels of CK and CK-MB. The occurrence of cardiac events analysis of CK and CK-MB was followed up for 30, 180 and 360 days and the relationship between the occurrence of cardiac events and the levels of CK and CK-MB were studied. Results There was statistical correlation between increased CK-MB and abnormal ECG Q wave, ST segment change (P< 0.05), 168 patients had followed up 30, 180 and 360 days, in which cardiac events happened in 57 common patients (64 examples), 27 examples (16.1%) happened in the recent cardiac event, and 37 examples(22.0%) happened in the late cardiac event. The cardiac event and CK-MB elevation had statistical correlation (P<0.05). Conclusion ACS patients with increased CK-MB levels prompt a poor prognosis, and could be an independent indicator of recent and late cardiac events in patients with ACS.

Relapse may occur in about 75% of patients who experienced the resection of hepatic metas-tases from coloreetal cancer. Perioperative chemotherapy with 5-fluorouraeil, leucovorin and oxaliplatin (FOLFOX) can reduce the risk of disease progression in eligible and reseeted patients compared with surgery a-lone. Pre-operative chemotherapy may cause vascular changes and steatohepatitis, which has the potential to in-crease the risks of surgery. A pooled analysis shows a trend of a longer median progression-free survival dura-tion among pest-operative patients who received adjuvant chemotherapy with 5-fluorouraeil and leueovorin-based regimen. Bevaeizumab in either pre-or pest-operative chemotherapy does not increase surgical complications.How to choose the best time and duration of the ebemotherapy needs to be further studied.

Objective:To study the clinical efficacy of Carisolv in caries removal.Methods:20 primary teeth with middle and 20 with deep class V caries were randomly divided into two groups.Each group contained 10 teeth with middle caries and 10 with deep caries.Carisolv was used in test group and conventional rotary instrument in the control group. Efficacy of caries removal,treatment time, the degree of the pain and the current reaction of pulp between two groups were compared.Result:The Carisolv technique and the conventional method showed the same efficacy of caries removal.The treatment time in test group was longer than that in control group(P

To simplify the preparation of neuraminidase in screening influenza neuraminidase inhibitors,the neuraminidase gene of H5N1 influenza A virus was optimized for high expression in mammalian cells and cloned into pcDNA4/TO vector. The recombinant plasmids were transfected into T-REx 293 cells to establish stable cell lines,in which the expression of neuraminidase was induced by tetracycline. Unlike from virions,the preparation of neuraminidase became conveniently and safely from these stable cell lines,which would facilitate developing high throughput assay to screen neuraminidase inhibitors. More than 3000 natural extracts and herbal components were screened in the study. Baicalin and baicalein were found to inhibit oseltamivir-sensitive and oseltamivir-resistant neuraminidase at similar level,furthermore,their anti-influenza activity was confirmed by plaque assay and virus inhibition assay.

ObjectiveTo investigate the quality of life (QOL) of old patients with cardiovascular diseases in community. Methods100 old patients with cardiovascular diseases in Xiluoyuan, Beijing were investigated with WHOQOL-BREF. ResultsThe QOL-BREF scores in the dimensions of physical health, psychology, social relationships, and environment were (53.21±11.50), (53.27±15.99), (54.29±14.41) and (57.65±15.30) respectively. There was not significant difference between self-rating scores and scores in four dimensions of QOL-BREF (P>0.05). There was not significant difference of QOL-BREF scores in four dimensions between male and female, nor the ones whether complicated with diabetes (P>0.05). The incidence of satisfaction was 31% for QOL, 23% for health, and 62% for the healthy system as self-report. ConclusionThe QOL of the patients is related to diseases.

Objective To investigate the intervention effects of Jiawei Ditan Decoction on oxidative stress and inflammatory reaction in elderly patients with obstructive sleep apnea hypopnea syndrome (OSAHS).Methods A total of 60 OSAHS patients with deficiency of phlegm and blood stasis mutual junction were enrolled,and randomly divided into treatment group (n=30,receiving JiaweiDitan Decoction+ conventional treatment for 12 weeks) and control group (n=30,receiving conventional treatment for 12 weeks).The clinical symptoms integral,Epworth Sleepiness Scale (ESS),apnea hypopnea index (AHI),minimum oxygen saturation (SaO2),superoxide dismutase (SOD),malondialdehyde (MDA),tumor necrosis factor (TNF)-α interleukin (IL)-6,and C-reactive protein (CRP) were observed before and after treatment.Results The clinical symptoms integral,AHI value,minimum SaO2,ESS score,levels of SOD,MDA,TNF-α,IL-6 and CRP were significantly improved in treatment group after treatment as compared with pretreatment [(11.65 ± 3.82) points vs.(14.32±4.25) points,(21.18 ± 12.37) times/h vs.(29.16 ± 13.58) times/h,(83.24±7.42)％ vs.(76.92±11.91)％,(7.12±4.84)points vs.(10.01±4.16) points,(99.24± 13.15)×103 U/L vs.(87.511±14.82) ×103 U/L,(8.56 ± 3.23) μmol/L vs.(11.25±3.41) μmol/L,(50.63±10.57) ng/L vs.(58.92±11.65) ng/L,(78.12±15.92) ng/L vs.(89.13± 16.54) ng/L,(9.93±5.25) mg/L vs.(13.59±4.92) mg/L,t=2.559,2.379,2.467,2.480,3.243,3.137,2.887,2.651,2.786,respectively,all P＜0.05].All the above indicators after treatment had significant differences between the treatment group and the control group [(11.65 ± 3.82) points vs.(13.89±4.45) points,(21.18± 12.37) times/h vs.(28.03± 13.12) times/h,(83.24±7.42)％ vs.(78.26±10.15)％,(7.12±4.84) points vs.(9.56±7.12) points,(99.24± 13.15)×103 U/Lvs.(90.13±13.56)×103 U/L,(8.56±3.23) μmol/L vs.(10.86±3.65)μmol/ L,(50.63±10.57) ng/L vs.(56.52±11.04) ng/L,(78.12±15.92) ng/L vs.(87.81±15.61) ng/ L,(9.93±5.25) mg/L vs.(12.97±5.03) mg/L,t=2.092,2.018,2.169,2.009,2.642,2.585,2.111,2.380,2.290,respectively,all P＜0.05].Conclusions Jiawei Ditan Decoction could improve the clinical symptoms and has the intervention effect on oxidative stress and inflammatory reaction in elderly patients with OSAHS,which provides the experimental basis for the treatment of senile OSASH with Chinese herbal medicine.

Objective To analyze the whole genomic DNA methylation level and estrogen receptor α (ERα) gene promoter methylation status in systemic lupus erythematosus (SLE) with atherosclerosis (AS) in model mouse,and to explore its role in the pathogenesis of SLE with AS.Methods Eleven apoE-/-C57BL/6 mice were randomly divided into the model group (SLE+AS group) and the control group (AS group).Eleven wild C57BL/6 mice were also randomly divided into the model group (SLE group) and the control group (blank group).Single intraperitoneal injection of pristane 0.5 ml for the model group,single intraperitoneal injection of normal saline 0.5 ml for the control group.Eight months after injection,all mice were sacrificed,genomic DNA was extracted from spleen.The total genomic DNA methylation level was detected,and pyrosequencing was performed to determine the methylation status of ERα gene promoter.The differences between groups were compared.ANOVA,LSD-t test,Tamhane's T2 test were used for statistical analysis.Results The total genomic DNA methylation levels were (4.7±1.5)％,(5.1±0.5)％,(6.6±1.6)％,(7.5±1.6)％ respectively in the SLE+AS group,AS group,SLE group,blank group respectively,the average methylation indices of ERα gene promoter were (13.0±3.1)％,(26.7±7.2)％,(15.7±3.8)％ and (21.4±4.2)％ respectively.The total genomic DNA methylation level and the average methylation index of ERα gene promoter in the SLE+AS group and the SLE group was significantly lower than that of the blank group (P＜0.05).Compared with the AS group,the total genomic DNA methylation levels and the average methylation index of ERα gene promoter in the SLE+AS group were significantly decreased (P＜0.05).Conclusion The total genomic DNAs and the ERα gene promoters in SLE with AS model mouse are in low-methylation status.The results of this study suggest that epigenetics may play an important role in the pathogenesis of SLE with AS.