Objective To evaluate the effect of errorless learning on memory processes.Methods Eight- y-four participants were randomly divided into three groups:a group which received computer-assisted memory train- ing (CAMG,n=30) ,a therapist-administered memory training group (TAMG,n=24) and a control group (CG,n =30).A 20-session training course with a Chinese cultural background was tailor-made for Chinese subjects with memory disorders.It was administered over the course of one month to the test groups with a similar course structure and content but different delivery modes.The control group had no training.The Rivermead Behavioral Memory Test- Chinese Version (RBMT-CV) and the Hong Kong List Learning Test (HKLLT) were used to assess memory ability and process at the start and end of the training,and one month later.A repeated measures analysis of variance was used to compare differences across the three groups.Results Comparing pre-training with post-training and follow- up,RBMT-CV and HKLLT scores improved significantly.The CAMG group demonstrated better progress encoding and storage on the HKLLT (including the random and blocked conditions) than the TAMG group.Conclusions Errorless learning is likely to be an effective technique for improving memory function in patients with traumatic brain injury.Its effects last for at least one month.Computer-administered training was more effective than therapist-admin- istered face to face training,especially in improving encoding and storage memory processes.

Objective To evaluate the influence of gestational diabetes mellitus (GDM) on the pregnancy outcome. Methods Sixty-two women with GDM and Sixty-two nondiabetic pregnant women were investigated from January 2005 to Novmber 2008. The effect of GDM on pregnancy outcome was analyzed with comparison to the control group. Results In GDM group the incidence of hypertensive disorder complicating pregnancy,polyhydramnios,premature rupture of membrane,caesarean section,fetal dis--tress,neonatal asphyxia,neonatal hypoglycemia, factal associated, hyperbilirubinemia of newborn of and were 16.77%, 20.33%, 8.07%, 63.04%, 12.73%, 8.07%, 9.93%,30.43% and 9.00%,respectively. There was significant difference ascompared with the control group 2.67%、5.67%、3.67%、24.00%、3.67%、2.67%、0.33%、2.67%、2.00% ,respectively. Conelusion Pregnancy with diabetes is harmful to mother and infant. Diagnosing and treating the cases earlier can decrease the complications ofmother and infant as well as the death rate of perinatal fetus.

We screened a strain NK13 for a certain extent asymmetric hydrolysis the rac-ketoprofen Chloroethyl ester to (S)-Ketoprofen. As identified, NK13 was Bacillus megaterium. Digested NK13 genomic DNA with Sau3AI partially and recovered the fragment from 2 kb to 6 kb, cleaved the plasmid of pUC18 with BamH I, ligated the 2-6 kb fragment of NK13 genomic DNA into pUC18 plasmid, and then transformed an Escherichia coli strain DH5alpha. We created the gene library of NK13 and obtained a positive clone, pUC-NK1 in the library from the tributyrin flat. The result of sequencing showed that there was a whole open read frame (ORF) of 633 bp lipase gene in the plasmid of pUC-NK1. To compare with the genes of GenBank, this lipase gene was reported firstly (GenBank Accession No. EU381317). The lipase gene was amplified by PCR, using pUC-NK1 plasmid as template, and subcloned into the high expression vector pET21b(+) under the control of T7 promoter. The recombinant plasmid, pET-NKest1, was then transformed into an Escherichia coli strain BL21 (DE3) for the production of recombinant lipase protein. After 3 hours of induction by isopropyl-beta-D-thiogalactoside (IPTG), lipase was expressed. SDS-PAGE analysis showed that the relative molecular mass of the lipase protein was about 20 kDa. The result of high performance liquid chromatography (HPLC) showed that the conversion rate of the recombinant strain was fifty times than the wild strain NK13's. The (S)-Ketoprofen enantiomeric excess of the recombinant strain was 75.28%, which indicated that the lipase could hydrolyze (S)-Ketoprofen Chloroethyl ester firstly. If we research the conditions of the hydrolysis rac-ketoprofen Chloroethyl ester of this lipase further, maybe it could offer a foundation to product (S)-Ketoprofen industrially.
Amino Acid Sequence ; Bacillus megaterium ; genetics ; isolation & purification ; metabolism ; Base Sequence ; Cloning, Molecular ; Escherichia coli ; genetics ; metabolism ; Ketoprofen ; analogs & derivatives ; chemistry ; isolation & purification ; Lipase ; biosynthesis ; genetics ; Molecular Sequence Data ; Open Reading Frames ; genetics ; Recombinant Proteins ; biosynthesis ; genetics ; Stereoisomerism

Objective To evaluate effectiveness of prevention and treatment for patients with chronic obstructive pulmonary disease (COPD) for one year at community health-care service (CHS)centers. Methods A quasi-experiment design was used to evaluate effectiveness of community management for patients with COPD who visited and registered at Xiaokunshan and Xinbang CHS centers in Songjiang district of Shanghai in 2008, with COPD patients from Xiaokunshan community CHS center as management group and those from Xinbang as control. Measures for community management included training for local general practitioners in essential knowledge of COPD prevention and treatment, allocation of necessary drugs for COPD treatment, and health education for COPD patients and their family members. No special measures were taken for control group except routine treatment. Results A total of 132 patients were diagnosed as COPD according to their pulmonary function on 2008, 61 at Xiaokunshan and 71 at Xinbang CHS canters.One hundred and two patients, 47 at Xiaokunshan and 55 at Xinbang, finished one-year follow-up. Five patients from Xiaokunshan who were smokers at their first visits and three of them quitted smoking after oneyear management. Meanwhile, none of nine smoked patients from Xinbang quitted smoking in the same period. There was no statistically significant difference in symptom scores, pulmonary function, and forced expiratory volume at the first second (FEV1) between patients in the two groups during one-year follow-up.Average score of quality of life in patients at Xiaokunshan dropped to 39. 12 after one-year management from 46. 96 at their first visits, and that in patients at Xinbang increased to 62. 11 from 56. 55 (P＜0.01).Average six-minute walking distance (6-MWD) in patients at Xiaokunshan reduced to 354. 26 meters after one-year management from 361.66 meters at their first visits, meanwhile that in patients at Xinbang reduced to 351.18 meters from 398.07 meters (P =0. 008). Scores of functional dyspnea in patients at Xiaokunshan fell to 0.34 from 0.40 at their first visit, meanwhile that in patients at Xinbang increased to 1.00 from 0.95(P =0.038). During the one-year follow-up, 13 patients at Xiaokunshan and 53 at Xinbang visited emergency departments for treatment, and four at Xiaokunshan were hospitalized and none died, and five at Xinbang were hospitalized due to acute exacerbation of COPD and four of them died. Conclusions The study suggests that strengthening prevention and treatment for COPD patients at community level by general practitioners, patients themselves and their family members can improve their quality of life, reduce emergency visits and hospitalization, alleviate dyspnea symptoms and delay the decline of 6MWD.

OBJECTIVETo analyze deaf-related genes in patients with nonsyndromic hearing loss (NSHL) and set up a prenatal diagnosis system for such patients.

METHODSNine NSHL families were collected. Potential mutations of GJB2 (35delG, 176del16, 235delC, 299delAT), SLC26A4 (2168A> G, IVS7-2A> G), GJB3 (538C> T) and mtDNA (1494C> T, 12S rRNA 1555A> G) were detected by direct sequencing. Maternal blood contamination was excluded prior to the testing.

RESULTSSixteen patients from 4 families were detected with GJB2 mutations, 8 patients from 2 families were found with SLC26A4 mutations, and 4 patients from 2 families were found with mutations in mtDNA. For 2 patients from one remaining family, no mutations were found with above genes.

CONCLUSIONA diagnostic system for NSHL has been established, which may provide a basis for prenatal diagnosis and genetic counseling to NSHL families.

Connexin 26 ; Connexins ; genetics ; DNA Mutational Analysis ; DNA, Mitochondrial ; chemistry ; genetics ; Deafness ; diagnosis ; genetics ; Family Health ; Female ; Genetic Predisposition to Disease ; genetics ; Hearing Loss ; diagnosis ; genetics ; Humans ; Male ; Membrane Transport Proteins ; genetics ; Molecular Sequence Data ; Mutation ; Pedigree ; Pregnancy ; Prenatal Diagnosis ; methods ; RNA, Ribosomal ; genetics ; Reproducibility of Results ; Sensitivity and Specificity

OBJECTIVETo study and compare the changes of toxicity of Euphorbia pekinensis, E. kansui and E. ebracteolata before and after being prepared by vinegar.

METHODSmall intestinal accentuation of mice and peritoneal macrophage NO release experiments were assessed to investigate the changes of toxicity of the three Chinese Medicines of Euphorbia before and after being prepared.

RESULTE. pekinensis, E. kansui and E. ebracteolata and vinegar can obviously promot small intestinal accentuation and peritoneal macrophage NO release with the intensity of toxicity in the order of E. kansui > E. pekinensis > E. ebracteolata. After being prepared with vinegar, the toxicity of the three medicines decreased obviously compared to crude one.

CONCLUSIONE. pekinensis, E. kansui and E. ebracteolata can induce inflammation and accelerate enterokinesis. After being prepared with vinegar, the irritation on Euphorbia decreased obviously.

Acetic Acid ; chemistry ; Animals ; Drugs, Chinese Herbal ; chemistry ; pharmacology ; toxicity ; Euphorbia ; chemistry ; toxicity ; Female ; Intestine, Small ; drug effects ; metabolism ; Macrophages, Peritoneal ; drug effects ; metabolism ; Male ; Medicine, Chinese Traditional ; Mice ; Mice, Inbred ICR ; Nitric Oxide ; analysis ; metabolism ; Plant Roots ; chemistry ; toxicity ; Toxicity Tests

OBJECTIVE:To study curative effect of the combination of cyclosporine A,mycophenolate mofetil,anti-thymocyte globulin,interleukin-11 and short-term methotrexate as acute graft-versus-host disease(aGVHD) prophylaxis on HLA-matched unrelated donor or HLA-mismatched related donor allogenic peripheral blood stem cell transplantation(Allo-PBSCT).METHODS:Thirteen patients with haematological malignancies who underwent HLA-matched unrelated donor or HLA-mismatched related donor Allo-PBSCT with the combination of cyclosporine A as aGVHD prophylaxis at Haikou Municipal People's Hospital from September to November 2008 were selected,including 7 of unrelated donor,3 of haplotype transplantation,and 3 of 1-locus mismatched.The conditioning regimen was performed at 7 days prior to transplantation,with cyclosporine A 5-10 mg/(kg?d),12 hours per time with twice per day.From day 7 prior to transplantation,mycophenolic acid was intravenous drip once per day,then 2.5 mg/(kg?d) antithymocyte globulin at days 5-2 prior to transplantation,1.5 mg/d interleukin 11 was subcutaneous injected at day 2 prior to and 10 days after transplantation,followed by intravenous drip 15 mg/m2 amethopterin at day 1 and 10 mg/m2 at days 3,6,11 after transplantation.The drug doge was reduced and stopped gradually after 3-6 months,which could be prolonged for haplotype grafter.Recombinant human granulocyte colony-stimulating factor was injected subcutaneously at day 3 prior to transplantation,and PBSCT was collected at days 4 and 5 after medication,which was infused to patients with subclavian vein at the same day.In total(7.82-9.11)?108/kg mononuclearcell and(2.9-7.7)?106/kg CD34+ cells were infused.RESULTS:Hematopoiesis was rebuilt in all patients with 46.15%(6/13) aGVHD incidence rate,including 8 %(1/13) of Ⅲ-Ⅳ aGVHD.Up to April of 2009,all patients live and work as normal except one patient who can not visit public places.CONCLUSION:The combination of cyclosporine A,mycophenolate mofetil,anti-thymocyte globulin,interleukin-11 and short-term methotrexate is effective in the prevention of aGVHD.

Transradial access(TRA)for performing interventional diagnosis and treatment can reduce access site complications.However,TRA can still cause complications in the operated limb,including radial artery spasm,radial artery perforation,hemorrhage,hematoma,radial artery dissection,osteofascial compartment syndrome,nerve injury,pseudoaneurysm,arteriovenous fistula,and radial artery occlusion,among which radial artery spasm is the most commonly seen.At present,the clinical recognition,prevention and treatment of complications of surgical limbs are still insufficient.Therefore,this consensus aims to make a detailed introduction about the identification,prevention and nursing of nine major types of complications of the surgical limb in interventional diagnosis and treatment procedures via radial artery access,to propose 24 recommendations which may provide a reference for medical institutions in carrying out the nursing care for complications of the surgical limb in interventional diagnosis and treatment procedures via radial artery access,and to reduce the occurrence of complications in patients.(J Intervent Radiol,2024,33:465-471)

Based on our previous work, the study herein designed and synthesized eight glycoconjugates of natural product harmine (14a-14h)by introducing a cyclohexylmethyloxyl group at its C7 position and coupling a methyl-2-amino-β-D-glucopyranoside to the N9 position through different lengths of alkyl chains.In vitro anti-tumor activity screening and structure-activity relationship studies showed that the antitumor activity of the conjugates increased with the lengthening of the alkyl chain in the linker.Compound 14h exhibited significantly better proliferative inhibitory activity against MDA-MB-231 breast cancer cells than harmine.As compared to harmine, the introduction of the carbohydrate moiety improved the water solubility of compound 14h and enhanced its tumor cell selectivity through the Warburg effect.Mechanism of action studies revealed that compound 14h induced apoptosis and G0/G1 cell cycle arrest in MDA-MB-231 cells, and inhibited tumor cell migration by interfering with epithelial-mesenchymal transition process.This study provides a new approach for the development of antitumor drugs based on harmine.

Objective To investigate the clinical effects of sinus elevation surgery and implant restorationdue to in-sufficient bone massafter tooth extraction in patients with odontogenic maxillary sinusitis(OMS)and to provide a refer-ence for use in clinical practice.Methods This study was reviewed and approved by the Ethics Committee,and in-formed consent was obtained from the patients.Forty-five teeth were extracted from patients with OMS in the maxillary posterior area(the study group).Sinus elevation and implantation were performed due to insufficient bone height in the implant area 6-8 months after tooth extraction in the study group.Forty-eight teeth were extracted from patients without"OMS"in the maxillary posterior area(the control group),and sinus elevation and implantation were performed due to insufficient bone height in the implant area 6-8 months after tooth extraction inthe control group.In the study group,13 cases of discontinuous maxillary sinus floor bone and residual alveolar bone height of the maxillary sinus floor less than 4 mm were addressed with lateral wall sinus elevation,and the other 32 cases were addressed with crest-approach sinus elevation.In the control group,8 cases of residual alveolar bone height less than 4 mm in the maxillary sinus floor were addressed with lateral wall sinus,and the other 40 cases were addressed with crest approach sinus elevation.Restora-tions were placed 6 to 8 months after surgery.The patients were followed up 21 days,3 months,and 8 months after im-plantation and every 6 months after the placement of the restorations.The sinus bone gain(SBG),apical bone height(ABL)and marginal bone loss(MBL)were statistically analyzed 24 months after the restoration.Results The average preoperative mucosal thickness in the 45 patients in the study group was(1.556±0.693)mm,which was significantly larger than that in the control group(1.229±0.425)mm(P＜0.001).There were no perforations in either group.Twenty-four months after restoration,there was no significant difference in the SBG,ABH or MBL between the two groups(P＞0.05).Conclusion After the extraction of teeth from patients with OMS,the inflammation of the maxillary sinus de-creased,and the bone height and density in the edentulous area were restored to a certain degree.The effects of sinus floor lifting surgery and implant restoration do not differ between patients with and without OMS.