The blood levels of hemoglobin(Hb), cerrulo-plasmin (Cp), superoxide dismutase (SOD), glu-tathion peroxidase (GSH-Px), malonaldehyde(MAD) and the concentrition of Cd, Fe, Cu andSe in liver were measured 4 weeks after weanedSprague-Dawley rats fed on Cd-supplemented diet(Cd 100mg/kg). The results indicated that. theconcentrition of Fe, Cu and Se in liver and theblood levels of Hb, SOD and GSH-Px activity weredecreased, but the blood level of MAD was in-creased by dietary Cd. The abnormal changes andanemia induced by Cd were able to be partially al-leviated by oral supplementing Fe, Cu and Se. Itsuggested. that Cd was able to produce peroxidationof erythrocyte membrane lipids. It is a possiblemechanism of the decreased survival of erythrocyteand hemolysis by Cd.

Objective To investigate the mechanism of anticancer activities of the extracts of prescription 921. Methods The inhibitory effects of the extracts of prescription 921 on DNA and RNA biosyntheses in cultured prostate PC-3M were investigated with 3H-TdR or 3H-UR incorporation. Flowcytometry was applied to analyze the regulating cell cycle of the extracts of prescription 921. The expression of cell cycle related factors CyclinA, CyclinB, p21 and p27 were detected by Western-blot. Results The extracts of prescription 921 showed inhibitory effect on DNA biosyntheses. The cells of PC-3M were arrested in S-phage when treated with the extracts for 72 h. The expression level of CyclinA was down-regulated while expression of CyclinB, p21 and p27 was not altered. Conclusion The extracts of prescription of 921 play its anticancer activities by inhibiting DNA biosyntheses and arresting the cells in S-phage by down-regulating the expression of Cyclin A.

Objective To summariza the clinical and histological features of linear cutaneous lupus erythematosus (LCLE).Methods Six cases of LCLE were analyzed retrospectively.Results LCLE was often clinically characterized by unilateral.zonal or linear,dark-erythematous patches with telangiectasia,and some lesions were covered with adherent Scales.Histologically,there were patchy perivascular and periadnexal lymphoid inflammatory infiltrate occurring in the superficial and deep dermis.Some cases were pathologically manifested by parakeratosis of superficial dermis,follicular plugging and hydropic degeneration of the basal layer of the epidermis,which was characteristic of discoid lupus erythematosus.The preferred treatment was chloroquine for LCLE.Low dose of corticosteroids were recommended for widespread lesions,especially for those pathologically manifested by lymphocyte infiltrates in the lower dermis and fat tissue.Conclusion The diagnosis of LCLE should be based on clinical and histopathological manifestations.

The retinoblastoma-protein-interacting zinc finger proteinl (RIZ1),a methyltransferase,contains the characteristic PR zinc finger domain.RIZ1 can methylate H3K9 of the histone,acted as a transcription suppression factor of cancers.Increasing numbers of human cancers are reported to hold decreased or absent RIZ1 expression,which is closely related to the progression of cancer.RIZ1 is defined as a candidate anti-oncogene.The mechanisms of the suppression involved in both oncocytogenetics and epigenetic changes.

Objective To investigate the clinical efficacy of electroacupuncture at specific points in treating different degrees of urgency-frequency syndrome. Methods Sixty patients with urgency-frequency syndrome were randomly allocated, according to the symptom score, to groups A (the symptom score≤ 24) and B (the symptom score>24), 30 cases each. Both groups received electroacupuncture at specific points (four sacral points and four abdominal points). In the two groups, the symptoms were scored before and after treatment and the clinical therapeutic effects were evaluated.Results There was a statistically significant pre-/post-treatment difference in the symptom score in the two groups (P<0.01). The total efficacy rate was 83.3% in group A and 80.0% in group B; there was no statistically significant difference between the two groups (P>0.05).Conclusion Electroacupuncture at specific points is an effective way to treat urgency-frequency syndrome.

Objective To investigate the possible association between HLA-B51 alleles and Behcet's disease (BD). Methods Totally, 61 Chinese patients of Han nationality, who were diagnosed with BD according to the International Study Group (ISG) criteria, were recruited. The control cohort consisted of 100 healthy individuals. Blood samples were obtained from all the subjects. PCR-sequenee specific primers (SSPs) were used to for the genotyping of HLA-B51 alleles (HLA-B5101-HLA-B5109). Results Com- pared with the control group (11 positive, 11% ), the frequency of HLA-B51 (18 positive, 29.5% ) was sig- nificantly increased in BD patients (χ2=8.79, P<0.01, RR=3.39). The HLA-B51-positive patients and controls consistently carried HLA-B5101 allele with no other alleles observed. There were 15 males and 3 females in HLA-B51 positive patients, 22 males and 21 females in HLA-B51-negative patients, and signifi- cant differences in gender distribution was observed between HLA-B51-positive and negative patients (P<0.05 ). Moreover, the average age of onset in HLA-B51-positive patients significantly differed from that in HLA-B51-negative patients (28.4±10 years vs 37.3±12 years, P<0.05). However, no significant differ- ences were noticed in the clinical types, course, skin lesions, prevalence of genital ulcer, eye damage, joint involvement, or pathergy reaction between HLA-B51-positive and -negative patients (P0.05). Conclu- sions This study supports that HLA-B5101 allele is associated not only with the development of BD, but also with the gender and onset age of patients with BD of Chinese Han nationality.

We sought to determine the efficacy of ramosetron in the prevention of nausea and vomiting during emergency cesarean delivery under spinal anesthesia with strict controls of causative factors.A total of 206 parturients participated in a randomized,single-blind and placebo-controlled trial.They received an intravenous injection of either ramosetron 0.3 mg or normal saline immediately after cord clamping.The primary outcome was the presence of postdelivery nausea and vomiting.Secondary outcomes included the need for rescue antiemetic,hypotension,pain and adverse effects.The incidence of postdelivery nausea and vomiting was 10.7％ in the ramosetron group vs.28.2％ in the control group (P ＜ 0.01 ).The incidence of intraoperative hypotension and postdelivery was similar in both groups.The incidence of postdelivery pain and the requirement for rescue antiemetic were similar in both groups.Ramosetron 0.3 mg is effective in the prevention of postdelivery nausea and vomiting during cesarean delivery.

BACKGROUND:Due to complicated and special lumbar spinal stenosis disease and different degrees of lumbar degeneration in the elderly, it requires very careful choice of repair methods and repair technology.
OBJECTIVE:To investigate the indications and prognosis effect of the treatments of elderly lumbar spinal stenosis by selective decompression of lumbar root canal under direct vision and laminectomy.
METHODS:Clinical data of 167 elderly patients with lumbar spinal stenosis were retrospectively analyzed. A total of 82 patients were treated with selective decompression of lumbar root canal as the selective decompression group, with a clear nerve root compression but without central canal stenosis. A total of 85 patients were treated with laminectom and treated with pedicle screw fixation as the whole lamina cut group, with distinct central canal stenosis. The indications were analyzed between the two groups. Clinical effects were assessed using Japanese Orthopaedic Association and Oswestry Disability Index before and after surgery.
RESULTS AND CONCLUSION:(1) Al patients were operated successful y. There was no serious
complication during treatment. (2) Japanese Orthopaedic Association and Oswestry Disability Index were significantly improved at last fol ow-up in two groups compared with preoperation (P<0.05). No significant difference in Japanese Orthopaedic Association and Oswestry Disability Index was detected between the two groups at various time points (P>0.05). Clinical symptoms disappeared or relieved at last fol ow-up in two groups. The prognosis in two groups had significantly improved. (3) Results indicated that laminectomy and pedicle screw fixation in elderly patients with lumbar spinal stenosis and central canal stenosis obtained significant effects. For elderly patients with lumbar spinal stenosis but without central canal stenosis, selective decompression of lumbar root canal under direct vision was given, and it is effective and reliable. The two methods are suitable for different patients, and are effective and reliable way to repair.

Objective To study the characteristic cluster structure of good-quality natural drinking water.Methods The coupling 17 O NMR(nuclear magnetic resonance)FWHM(full width half maximum)was selected as the index to weigh the rel-ative average size of water cluster in liquid water.The 17 O NMR FWHM of water samples(nature water and artificial water)were measured by ARX400NMR spectroscopy.Results 17 O NMR FWHMs of21representative water samples were in the range of53-145Hz.Conclusion 17 O NMR FWHM of good-quality natural drinking water mainly lay from70to90Hz.

[Objective]To evaluate the long-term results of recurrent lumbar disc herniation between different kinds of reoperation.[Method]Seventy-four patients of recurrent lumbar disc herniation after discectomy alone were treated surgically from May 2001 to Augest 2005.They were divided into three groups:nonfusion,posterolateral fusion and intervertebral fusion.After a long term follow-up(≥2y),their clinical data were reviewed to compared their improvement rate of lower back pain,JOA score,subside rate of disc height and chang rate of superior intervertebral space angle.[Result]The long-term results revealed that the improvement rates of lower back pain JOA score in the three groups were increased in sequence.The differences in subside rate of disc height and change rate of superior intervertebral space angle between discectomy and posterolateral fusion groups were insignificant,but much higher than those of posterior lumbar interbody fusion group.[Conclusion]Posterior lumbar interbody fusion is effective in increasing the improvement rates of lower back pain JOA score and maintaining the disc height and the superior intervertebral space angle.