Objective:To investigate the relationship among childhood abuses,social support and non-suicidal self-injury (NSSI) in adolescents,and to examine the mediating effect of social support on the relationship between childhood abuses and non-suicidal self-injury.Methods:A total of 9704 middle school students were selected from junior and senior middle schools in Zhengzhou,Guiyang city.The Childhood Trauma Questionnaire-28 item Short Form (CTQ-SF),Non-Suicidal Self-Injury Questionnaire,Social Support Scale for University Students and Multidimensional Sub-health Questionnaire of Adolescents (MSQA) were used to measure the different types of adverse childhood experiences,non-suicidal self-injury,social support and psychopathological status.Results:The CTQ-SF-scores were positively correlated with non-suicidal self-injury scores (r =0.20,P ＜ 0.01) and negatively correlated with social support scores (r =-0.22,P ＜ 0.01).The total scores and factor scores of social supportscale were negatively correlated with non-suicidal self-injury scores in adolescents (P ＜ 0.01).When control of the area,grade,self-reported learning burden,self-reported grades and psychological pathology symptoms,social support in childhood abuse and the relation between the suicide self-injury the mediation effect by the single factor of 17.04％ to 12.57％,the mediation effect of three subcomponents accounted for 7.12％ ～ 13.85％.Conclusion:It suggests that social support may play a mediating effect on the relationship between childhood abuses and non-suicidal selfinjury.

BACKGROUND:The region around the hip is a bone tumor predilection site. It is difficult to conduct tumor resection due to the involvement of weight loading area. Tumor resection requires high surgical technique. The pelvis and hip are often needed to be rebuilt.
OBJECTIVE:To compare the effects of three reconstruction methods after tumor resection around the hip.
METHODS:From January 2007 to December 2012, 20 patients with bone tumors around the hip were treated by surgery in the Zhongshan Hospital, Wuhan University, including 7 benign tumors, 13 borderline and malignant tumors. Eight patients received al ograft. Eight patients received arthroplasty. Four patients received saddle prosthesis.
RESULTS AND CONCLUSION:A total of 20 patients were fol owed up for 5 to 60 months (averagely 40 months). According to Enneking evaluation criterion, the operative outcome was evaluated as excellent in 8 cases, good in 5 cases, average in 4 cases, and poor in 3 cases. Excellent and good rate was 65%. Results suggested that after excision of bone tumors, al ograft, arthroplasty or saddle prosthesis can significantly elevate patient’s survival rate, improve patient’s living quality and is an effective therapy for treating tumors around the hip.

Nervous system develops from multipotential stem cells of the embryonic neural tube.The discovery of cells of stem-like properties in the adult central nervous system(CNS)has provoked an intense search for ways to utilize their potential for treatments of multiple neurological disorders.Expansion and recruitment of endogenous progenitors may be limited in treating widespread cell loss in the adult CNS.Transplantation of neural stem cells(NSCs)or more restricted progenitors to replace cells lost to injury or disease may facilitate functional recovery in a spectrum of neurological disorders.A major challenge to the development of effective NSCs therapies is to direct the fate of the newly generated cells to specifically replace those lost to disease.The key to the effective treatment of NSCs is molecular regulation of the differentiation of NSCs and their progeny in areas of injury to the adult CNS,the fate of transplanted stem cells is also important.

Acupuncture Therapy ; Aged ; Female ; Humans ; Male ; Middle Aged ; Pterygium ; therapy ; Yin Deficiency ; therapy

Human lymphocyte function-associated antigen 3 (hLFA3) has been identified as an important T cell accessory molecule. Rhesus monkeys (Macaca mulatta) have been widely used as animal models for human immune disorders. Due to the species-specificity of immune system, it is necessary to study M. mulatta LFA3 (mmLFA3). In this study, the gene encoding mmLFA3 CD2-binding domain (mmLFA3Sh) was amplified by polymerase chain reaction (PCR) and genetically fused to human IgG1 Fc fragment in pPIC9K to construct the expression plasmid pPIC9K-mmLFA3Sh-Ig. Approximately 3-4 mg mmLFA3Sh-Ig protein was recovered from 1 L of inductive media, and mmLFA3Sh-Ig produced by the P. pastoris can bind to the CD2 positive cells, and suppress the monkey and human lymphocytes proliferation induced by Con A and alloantigen in a dose-dependent manner. These results suggested that mmLFA3Sh-Ig might be used as a novel tool for pathogenesis and experimental immunotherapy of Rhesus monkey immune disorders.
Animals ; CD58 Antigens ; biosynthesis ; Humans ; Immunoglobulin G ; Lymphocyte Activation ; Macaca mulatta ; Pichia ; Plasmids ; Protein Interaction Domains and Motifs ; Recombinant Fusion Proteins ; biosynthesis ; T-Lymphocytes

A 36-year-old woman presented with a 3-year history of pruritic erythema and scaling on the trunk and extremities.Dermatological examination revealed ill-defined light pink macules with white lamellar scales on the chest,abdomen and buttocks.Histologically,there was a focal mononuclear cell infiltrate in the superficial dermis,with the epidermotropism of some cells and mild atypia of epidermotropic cells,as well as an interstitial mononuclear cell infiltrate and mild deposition of mucin between the collagen fibers in the middle dermis.CD3 and CD4 were expressed by scattered mononuclear cells infiltrating the upper and middle dermis.Based on these data,the patient was diagnosed with interstitial granuloma fungoides.

Compressed oxygen in diaphragm-type compresesor currently used can easily cause fire,ex- plosion or damage.The reason for the causes was analysed and requirment for the oxygen was put forward. Proceed from the three aspect:selection of lubricating oil;replace of material quality and alarm for the di- aphragm broken;the problems of diaphragm-type compressor were finally settled.

BACKGROUND: Graft selection and histological fate for anterior cruciate ligament reconstruction is a hot topic in the fields of reconstruction and repair of anterior cruciate ligament.OBJECTIVE: To review structure of anterior cruciate ligament and graft selection.METHODS: Articles were retrieved from Medline database with the key words of "Anterior cruciate ligament, implant,reconstruction" between January 1980 and January 2010. inclusion criteria: ① Reconstructive surgery of anterior cruciate ligament injury; ② graft selection of anterior cruciate ligament. Exclusion criteria: ① the old literatures; ② repetitive studies. A total of articles related to reconstruction of anterior cruciate ligament were retrieved, but 33 ones were included in the final analysis. The old, duplicated, and similar studies were excluded.RESULTS AND CONCLUSION: At present, the major therapy for anterior cruciate ligament injury includes arthroscopy and arthroscopy-assisted reconstruction. For clincal application, there are a lot of grafts, including autogenous grafts, allografts,heterologous allograft, biological materials, artificial materials and tissue engineering grafts. Autogenous semitendinosus tendon and gracilis tendon or autogenous bone-patellar tendon (middle 1/3)-bone (BPTB) are mainly used for anterior cruciate ligament reconstruction at home and abroad.

Objective To explore the way to reduce the absorption of irrigating fluid during PCNL. Methods The amount of absorbed fluid during PCNL in 20 cases (13 males and 7 females)was monitored by ethanol method. The average age was 40 years old. The maximum diameter of calculi by average was 25 mm. Heart rate and mean arterial pressure were monitored during operation.Haemoglobin concentration, serum Na+, K+, Cl-, carbon dioxide-combining power and serum creatinine were measured before and after operation. The amount of irrigating fluid, the duration of operation, and the intrapelvic pressure were recorded. Results The absorbed volume of irrigating fluid in 20 cases was from 50. 2 to 685.0 ml. There was no significant difference in heart rate, mean arterial pressure, serum Na+ , K+ , Cl- and serum creatinine between pre-operation and post-operation(P>0.05), but the postoperative haemoglobin concentration (130.4±16.3 g/L) and carbon dioxide-combining power (24.1±3.2 mmol/L) were lower than that before operation( 142.6±15.6 g/L,26.4±2.0 mmol/L), the differences were significant (P<0. 05). The mean volume of absorbed irrigating fluid in patients with the cumutative time of the intrapelvic pressure higher than 30 mm Hg >10 min,the duration of operation >1 h, or the amount of irrigating fluid >10000 ml was 381. 1, 301.6,261.6 ml respectively, which was higher than that in the other cases (142.9, 136.4, 130.2 mi), the differences were significant (P<0.05). Conclusions The ethanol method is simple, convinent,safe, valid, and is suitable for patients with compromised cardiorespiratory or renal function, who are more likely to develop volume overload because of fluid absorption.

Human tumor necrosis factor-related apoptosis-inducing ligand (hTRAIL) might be developed as a novel anti-tumor drug due to its selective cytotoxicity in tumor cells. The predicted Macaca mulatta TRAIL (mmTRAIL) is highly homologous to hTRAIL in nucleotide acid as well as amino acid sequence, suggesting that mmTRAIL might induce apoptosis of human cancer cells. However, the cytotoxicity of mmTRAIL in human cancer cells has not been investigated. In this paper, it is reported that the gene encoding mmTRAIL has been cloned by using reverse-transcriptase polymerase chain reaction (RT-PCR) from monkey peripheral blood mononuclear cells (PBMCs) in our laboratory. Subsequently, an expression plasmid was constructed by inserting mmTRAIL gene into pQE30 plasmid. After induction by addition of Isopropyl β-D-1-Thiogalactopyranoside (IPTG), mmTRAIL was expressed. MmTRAIL was recovered from supernatant of sonicated bacteria by Ni-NTA agarose affinity chromatography. SDS-PAGE and gel filtration chromatography demonstrated that mmTRAIL forms trimer in solution. In vitro assays indicated that mmTRAIL was cytotoxic to human COLO205 tumor cells but not to normal cells at low concentration of nanomole. In addition, antitumor effect of mmTRAIL was evaluated in mice bearing human COLO205 tumor xenografts. Intratumorally injected mmTRAIL significantly inhibited growth of tumor grafts. These results suggested that mmTRAIL was valuable as candidate drug for cancer-targeted therapy.
Animals ; Antineoplastic Agents ; Apoptosis ; Cell Line, Tumor ; Cloning, Molecular ; Humans ; Leukocytes, Mononuclear ; Macaca mulatta ; Mice ; Plasmids ; TNF-Related Apoptosis-Inducing Ligand ; genetics ; metabolism ; Xenograft Model Antitumor Assays