OBJECTIVETo explore the correlation between electronic bronchus mirror and Chinese medical syndrome typing of Mycoplasma pneumonia children.

METHODSTotally 198 Mycoplasma pneumonia children inpatients were assigned to three syndrome types according to Chinese medical syndrome typing and self-formulated typing standards of electronic bronchus mirror, i.e., Fei-qi accumulation of damp and heat syndrome, Fei-qi accumulation of toxicity and heat syndrome, deficient vital qi leading to lingering of pathogen syndrome. The correlation between electronic bronchus mirror and Chinese medical syndrome typing was explored.

RESULTSAs for comparison between electronic bronchus mirror and Chinese medical syndrome typing, Kappa value (K^) was 0.645 and Spearman coefficient correlation (r) was 0.653 (P < 0.01) for Fei-qi accumulation of damp and heat syndrome; K^ was 0.724 and r(s) was 0.727 (P < 0.01) for Fei-qi accumulation of toxicity and heat syndrome; K^ was 0.506 and r(s) was 0.515 (P < 0.01) for deficient vital qi leading to lingering of pathogen syndrome.

CONCLUSIONChinese medical syndrome typing of Mycoplasma pneumonia children was moderately in line with inspection typing under electronic bronchoscope with significant correlation.

Objective To observe the therapeutical effect of posterior vertebral column resection on chronic thoracolumbar tuberculosis with secondary paraplegia and to provide a safe and effective method for the treatment of chronic thoracolumbar tuberculosis with secondary paraplegia.MethodsFrom Aug.2007 to Mar.2010,12 cases with chronic thoracolumbar tuberculosis and secondary paraplegia were surgically treated by posterior vertebral column resection and Titanium net support for bone graft and internal fixation operation treatment.Cobb angle was measured,and conditions of internal fixation were observed before and after the operation by X-ray films.Neurological status were evaluated by Frankel grades.ResultsThe follow-up periods was 6- 18 months( on average 11 months).Operations eased all patients' back and chest pain.Frankel grade increased from C preoperatively to grade D or E postoperatively in 6 cases,from grade D to E in 4 cases and from grade B to C in 1 case.No obvious improvement of Frankel grade was observed in the other patient of grade B.The average Cobb angles were(76.0 ± 23.4) ° before surgery,( 15.5 ± 6.3 ) ° at one week after surgery and ( 16.0 ± 8.2) °at the last follow-up.The difference in the Cobb angle before and at one week after treatment was significant( t =3.41,P ＜ 0.01 ).No difference was found in the Cobb angle between at one week after treatment and at the last follow-up (t =1.58,P ＞ 0.05 ).All patients got bony fusion with Titanium net.No complications occurred with internal fixation.Conclusion Posterior vertebral column resection is a feasible method for the treatment of chronic thoracolumbar tuberculosis with secondary paraplegia.It achieves neurological decompression with high correction rate and minor injury,and no anterior surgery is needed.

In order to identify the differentially expressing gene of bone marrow mesenchymal stem cells (MSCs) stimulated by electromagnetic field (EMF) with osteogenesis microarray analysis, the bone marrow MSCs of SD rats were isolated and cultured in vitro. The third-passage cells were stimulated by EMFs and total RNA was extracted, purified and then used for the synthesis of cDNA and cRNA. The cRNA of stimulated group and the control group was hybridized with the rat oligo osteogenesis microarray respectively. The hybridization signals were acquired by using X-ray film after chemiluminescent detection and the data obtained were analyzed by employing the web-based completely integrated GEArray Expression Analysis Suite. RT-PCR was used to identify the target genes: Bmp1, Bmp7, Egf and Egfr. The results showed that 19 differentially expressing genes were found between the stimulated group and the control group. There were 6 up-regulated genes and 13 down-regulated genes in the stimulated group. Semi-quantitative RT-PCR confirmed that the expressions of Bmp1, Bmp7 mRNA of the stimulated group were up-regulated (P<0.05) and those of Egf, Egfr were down-regulated (P<0.05). It was suggested that the gene expression profiles of osteogenesis of the bone marrow MSCs were changed after EMF treatment. It is concluded that the genes are involved in skeletal development, bone mineral metabolism, cell growth and differentiation, cell adhesion etc.
Bone Marrow Cells/*cytology ; Cell Differentiation ; Down-Regulation ; Electromagnetic Fields ; Gene Expression Profiling ; Gene Expression Regulation ; Mesenchymal Stem Cells/*cytology ; Nucleic Acid Hybridization ; Oligonucleotide Probes/chemistry ; Osteogenesis/*genetics ; RNA, Complementary/metabolism ; Reverse Transcriptase Polymerase Chain Reaction

Background Stickler syndrome is a genetic connective tissue disorder that affects the ocular,skeletal,orofacial and auditory systems.To determine the gene mutation loci can offer a basis for genetic diagnosis and management of Stickler syndrome.Objective The aim of this study was to research the clinical characteristics of a pedigree with Stickler syndrome and identify the disease-causing gene mutation.Methods This study was approved by Ethic Committee of Peking Union Medical College Hospital.The clinical study and pedigree analysis were performed in one family with Stickler syndrome type Ⅰ (STL Ⅰ).Nine family members were examined with informed consent.The entire coding regions of COL2A1 gene with flanking intronic regions were amplified by PCR and directly sequenced.The detected sequence change was confirmed to be mutationloci by examining whether they existed in normal control individuals.Mutant proteins were predicted with online software.Results There were 4 generations and 11 members in this family,and 2 members died,including 1 patient.Three patients were found in 9living families.Inheritance of this family complicd with an autosomal dominant inheritance mode.All affected individuals showed the consistent phenotypes with STL Ⅰ,including high myopia,membranous vitreous anomaly and surface central flat,short nose,palatoschisis,etc.Mutation screening of COL2A1 gene revealed that the first base of intron 12 was deleted(IVS12+1G del).Nucleotide sequence analysis showed that this mutation led to the functional abnormal of this gene by forming termination cordon in advance.This mutation occurred in all affected individuals,however,no mutation was observed in any unaffected member or 100 normal unrelated individuals.Conclusions This study identifies a novel splice-site mutation(IVS12+ 1G del)in COL2A1 gene in a Chinese STL Ⅰ pedigree.This is the first report on a mutation in a Chinese STL Ⅰ family.

Antigens, CD ; immunology ; Antigens, Differentiation, Myelomonocytic ; immunology ; Child, Preschool ; Diagnosis, Differential ; Histiocytes ; immunology ; pathology ; Histiocytosis, Sinus ; diagnosis ; pathology ; Humans ; Lymph Nodes ; immunology ; pathology ; Lymphatic Diseases ; diagnosis ; pathology ; Male

Objective To prepare and characterize monoclonal antibody against a malaria vaccine candidate, PfCP-2.9 chimeric protein of Plasmodium falciparum. Methods BALB/c mice were immunized with PfCP-2.9,and the spleen cells were used for fusion with SP2/0 cells. The monoclonal antibodies were analyzed by ELISA,Western blotting as well as growth inhibition assay. Result A monoclonal antibody was obtained. It interacted with the PfCP-2.9 recombinant protein by ELISA and Western blotting. The interaction of the monoclonal antibody with the protein was reduction-sensitive,indicating that the antibody recognized a conformational epitope. Moreover,the antibody also recognized the cultured parasites of P.falciparum by indirect immunofluorescent antibody test(IFA). When tested by growth inhibition assay,the antibody significantly inhibited parasite growth in vitro of 56% inhibition rate at the antibody concentration of 0.3 mg/ml. Conclusion A monoclonal antibody against PfCP-2.9 malaria vaccine candidate has been obtained,which recognizes a conformational epitope of the protein and natural protein.

In order to have a better understanding of the role of medical library in medical information service during the implementation of Healthy China strategy,the need of health information service of the public and medical scientific researchers in implementation of Healthy China strategy were analyzed by outlining the development history and major targets of Healthy China strategy,and how to meet the requirements of the development of Healthy China for medical library was studies,namely by improving its resources development,service patterns and staff construction according to the present situation of big data development,the challenges medical library is faced in users needs,resources,platform,space,professionals and funds,and the opportunities brought about by the expanding requirements,improving information academic level,advancing new technologies,favorable policies and environments with relevant suggestions put forward.

Amino Acids ; urine ; Animals ; Biogenic Monoamines ; metabolism ; urine ; Male ; Microwaves ; Rats ; Rats, Wistar

Objective To evaluate the safety and efficacy of radical antithrombotic therapy(aspirin,clopidogrel and tirofiban) in the treatment of senile (≥ 75 years) non-ST-elevation acute coronary syndrome (NSTEACS).Methods A total of 146 senile patients with NSTEACS were divided into observation group (70 cases) and control group(76 cases) by random digits table method.The control group was given aspirin,low molecular weight heparin and clopidogrel,and the observation group was added tirofiban (intravenous loading dosage:0.4 μ g/ (kg· min) for 30 min and then maintaining 0.1 μ g/ (kg· min) for 48-72 h).The occurrence of major adverse cardiovascular events (MACE) within 30 d after treatment,7 d angina pectoris control rate and adverse reactions were observed in two groups.Results The occurrence rate of MACE within 30 d after treatment was 5.7％ (4/70) in observation group,and 14.5％ (11/76) in control group,and there was significant difference (P ＜ 0.05).The 7 d angina pectoris control rate was 92.9％ (65/70) and 76.3 ％ (58/76) in observation group and control group,and there was significant difference (P ＜ 0.05).The incidence of bleeding was 10.0 ％ (7/70) and 7.9 ％ (6/76) in observation group and control group,and there was no significant difference (P ＞ 0.05).There were no major bleeding events in two groups.One case had thrombocytopenia in observation group,but there was no significant difference compared with that in control group(P ＞ 0.05).Conclusion Triofiban on the basis of aspirin and clopidogrel in the treatment of senile NSTEACS is effective and safe.