Objective T o observe cardiac ultrastructure and the expression of heat shock protein 70 (H SP70) and hypoxia inducible factor-1α (H IF-1α) in electric shock death rats and to explore the application of these indexes as the basis of m edical identification in electric shock death. Methods Seventy-tw o SD rats w ere random ly divided into electric shock death group, postm ortem electric shock group and the control group. T he changes of m yocardial ultrastructure w ere observed by transm ission electron m icro-scope, and the expressions of m yocardial H SP70 and H IF-1α w ere observed by im m unohistochem ical technology. Results M yocardial m yofibril fracture, m itochondrial cristae and m em brane dissolution, and disordered arrangem ent of Z lines and M lines w ere observed in electric shock rats. H SP70 and H IF-1αw ere strong positive expressions in the electric shock death group, significantly com pared w ith the con-trol and postm ortem electric shock groups (P<0.05). Conclusion T he expressions of H SP70 and H IF-1αw ere obviously increased in electric shock death group, w hich m ay be used as the diagnostic indicator of electric shock death.

OBJECTIVETo study operative effects for the treatment of multiple ligament injuries of knee joints.

METHODSFrom 2008 to 2013, 26 patients (17 males and 9 females) with multiple ligament injuries of knee joints were treated surgically. The average age was 40.7 years old, ranging from 29 to 55 years old. All the patients were treated with arthroscopic reconstruction of cruiate ligament with autogenous or allogeneic hamstrings and tendon, and at the same time received repair of medial collateral ligament and lateral collateral ligament, as well as the treatment of exterior and interior complex injuries. Nine patients received second stage operation after the initial operation for mistake or missed diagnosis, and other patients were treated at the first stage. The Lysholm scoring system was used to evaluate function and stability of knee joints before and after operation.

RESULTSAll the patients were followed up for an average duration of 1.6 years (ranged, 0.8 to 3.2 years). The mean awaiting time for operation was 1.2 months. The Lysholm score was improved from preoperative 42.5 +/- 4.5 (ranged, 33 to 48) to the latest follow-up 78.1 +/- 3.9 (ranged, 57 to 95). The function of knee joint was improved obviously in the arthroscopic reconstruction patients, with joint range of motion exceeding 900 and with Varus & Valgus tests near to normal. All the patients had negative findings in the Lachman test at 70 degrees of flexion.

CONCLUSIONArthroscopic reconstruction should be the first choice in treating multiple ligament injuries of knee joints. If the anterior and posterior cruciate ligament injuries can't be treated simultaneously, the posterior cruciate ligament injuries should be treated preferentially at the first stage and the anterior cruciate ligament injuries should be treated at the second stage. The diagnosis of posterior cruciate ligament is easy to be missed.

Adult ; Arthroscopy ; Female ; Humans ; Knee Joint ; physiopathology ; surgery ; Ligaments ; physiopathology ; surgery ; Male ; Middle Aged ; Multiple Trauma ; physiopathology ; surgery ; Range of Motion, Articular ; Treatment Outcome

OBJECTIVETo explore surgical therapeutic strategies and clinical effects for floating shoulder injury.

METHODSFrom March 2010 to December 2013, 12 patients with floating shoulder injury were treated by open reduction and plate screw fixation,including 10 males and 2 females aged from 22 to 45 years old with an average of 31.7 years old. Preoperative X-ray and CT showed 11 cases were ipsilateral clavicle fracture with scapular neck fractures, 1 case was scapular neck fracture with ipsilateral acromioclavicular dislocation. Postoperative complications were observed and Herscvici functional scoring were used to evaluate clinical effects.

RESULTSTwelve patients were followed up from 8 to 26 months (averaged 15 months). All patients obtained bone union, and no inflammation, loosening and breakage of plate and screw were found. According to Herscvici scoring, 9 cases got excellent results, 2 good and 1 moderate.

CONCLUSIONReconstruction of anatomical structure and stability of floating shoulder joint injury could shorten time of shoulder joint brake and fixation, then got excellent clinical outcomes.

Adult ; Clavicle ; injuries ; Female ; Fractures, Bone ; surgery ; Humans ; Male ; Middle Aged ; Reconstructive Surgical Procedures ; Scapula ; injuries

Objective To investigate the effects of exercise training(ET)on the expression of glucogen synthase kinase 3 bate(GSK 3?)in the adipose tissues of insulin resistant(IR)rats on a high fat diet(HFD). Methods Thirty male Wistar rats were randomly divided into a control group(n=10)and a model group(M group,n=20).Insulin resistance was established by feeding a HFD to the M group for 4 w,while rats in the control group were fed a normal diet.The IR rats were then randomly divided into two subgroups:an IR group and an ET group.All rats in the IR and ET groups were fed a HFD,but ET was administrated to the ET group for 6w.The expres- sion of GSK 3?protein in the rats'epididymis adipose tissue was detected using Western blotting,and body weight (BW),the concentrations of serum triglyceride and cholesterol(TG and TC),fasting plasma glucose(FPG)and serum insulin(FINS),as well as insulin sensitivity index(ISI)were regularly detected.Results Compared with the con- trol group,BW and the concentrations of serum TG and TC,FPG and FINS in the model group were significantly in- creased(P＜0.05),while ISI was decreased(P＜0.01).Compared with the control group,there was no difference in GSK 3 protein expression in the ET group,but the expression of GSK 3?protein in the ET group was obviously de- creased in comparison with that in the IR group(P＜0.05).Conclusion ET can ameliorate IR by decreasing GSK 3?protein expression in adipose tissues and enhancing the ingestion of glucose and the synthesis of glycogen.

Objective To observe the effect of inducible costimulator(ICOS) costimulation pathway blockade in rat limb allografts acute rejection by RNA interference. Methods Twenty-seven cases of modified hind llmb allotransplantation were performed from Wistar to SD rats. The rats were divided into 3 gronps(each n=9): the rejection group not given a special disposal; the control group, consisting of SD rats that received injection of pSilencer 4.1 and Sofast complex by vein post transplantation; and the interference group that received injection of pSilencer 4.1-ICOSshRNA and Sofast complex. On the eighth day posttransplantation, 3 rats were killed to study the pathological changes in each group. The expressions of ICOS gene in vivo were detected by flow cytometry and RT-PCR. The mixed lymphocyte reaction (MLR) was performed and eytokines in blood were measured by ELISA. The rest rats were used to record limb survival time. Results The mean survival time in rats of the rejection and the control groups were(11.34±1.21) and (11.14±1.32) days respectively. In the interference group, the mean survival time of limb allografts was (16.85±1.73) days(P<0.05). The rats in the rejection and the control groups experienced moderate to serious acute rejections with skin epidermal necrosis, a large quantity of lymphocyte infdtration, muscle cell necrosis and interstitial edema, while the pathological changes in rats of the interference group were mild. The splenocyte ICOS mRNA expression level in the interference group(18.75%) was significantly lower than that of the rejection group(100%) and the control group(98.51%). ICOS cell surface expression level as judged by the fluorescence intensity was 45.59±12.87 in the interference group, 103.72±21.76 in the rejection group, and 93.47±29.55 in the control group(F=6.89, P<0.05). In stimulation assays, a one-way mixed lymphocyte reaction stimulation index(SI), with spleen cells from Wistar and Lewis rats, respectively, the rejection group (5.26±0.42,5.18±0.29) and the control group (5.37±0.27,4.93±0.44) had significantly greater reactions than the interference group(2.37±0.35, 4.87±0.36), respectivily(F=7.29, P<0.05; F=6.19, P0.05). In the IFN-γ and IL-4 expression assays, reactions of the interference group (230.17±38.47,160.32±59.13) were lower than those of the rejection group(490.73±51.48,230.67±45.21) and the control group(480.15±43.96, 240.53± 47.36), (F=7.23,6.75, all P<0.01). Conclusions In vivo transfection of pSilencer 4.1-ICOS shRNA interference plasmid can effectively block T-cell co-stimulation pathway, suppress acute rejection, and prolong limb allografts survival.

Adult ; Female ; Humans ; Kidney Glomerulus ; metabolism ; pathology ; Lipoproteins ; metabolism ; Male ; Nephrosis, Lipoid ; metabolism ; pathology

OBJECTIVE: To observe cardiac ultrastructure and the expression of heat shock protein 70 (HSP70) and hypoxia inducible factor-lα (HIF-lα) in electric shock death rats and to explore the application of these indexes as the basis of medical identification in electric shock death. METHODS: Seventy-two SD rats were randomly divided into electric shock death group, postmortem electric shock group and the control group. The changes of myocardial ultrastructure were observed by transmission electron microscope, and the expressions of myocardial HSP70 and HIF-1α were observed by immunohistochemical technology. RESULTS: Myocardial myofibril fracture, mitochondrial cristae and membrane dissolution, and disordered arrangement of Z lines and M lines were observed in electric shock rats. HSP70 and HIF-lα were strong positive expressions in the electric shock death group, significantly compared with the control and postmortem electric shock groups (P < 0.05). CONCLUSION The expressions of HSP70 and HIF-lα were obviously increased in electric shock death group, which may be used as the diagnostic indicator of electric shock death.
Animals ; Death ; HSP70 Heat-Shock Proteins/metabolism* ; Hypoxia-Inducible Factor 1, alpha Subunit/metabolism* ; Myocardium/pathology* ; Rats ; Rats, Sprague-Dawley

OBJECTIVETo observe three-dimensional space position change of nucleus pulposus and nerve root before and after treatment of lumbar disc herniation by spinal fixed-point rotating reduction, and explore the mechanisms.

METHODSTotally 52 patients with L5S1 lumbar disc hernation treated by spinal fixed-point rotating reduction were collected from April 2009 to June 2011. There were 33 males and 19 females with an average age of 34.6 years old (ranged, 19 to 55). Three-dimensional MRI were performed to observe relationship between nucleus pulposus and related nerve root,configuration change of spine and pelvic on coronary MRI.

RESULTSMRI showed relationship between nucleus pulposus and related nerve root mainly located on axillary, shoulder, front and surround. Vertebral displacement disappeared, lumbocrural pain alleviated after manipulative therapy. All patients were followed up from 2 to 28 months with an average of 12 months, and no recurred. All patients recovered work. Nucleus pulposus had no change,while lumbral spinal and pelvic curve changed before and after admission.

CONCLUSIONLumbar disc herniation combined with single (multiple) vertebral displacement,can cause biomechanical properties of nucleus puplosus and related nerve root, while spinal fixed-point rotating reduction can correct vertebral displacement, recover balance between inside and outside of spinal.

Adult ; Female ; Humans ; Imaging, Three-Dimensional ; Intervertebral Disc Displacement ; diagnosis ; diagnostic imaging ; physiopathology ; therapy ; Lumbar Vertebrae ; diagnostic imaging ; physiopathology ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Radiography ; Rotation ; Young Adult

OBJECTIVETo evaluate the clinical effect of the treatment for sequestered type lumbar disk herniation (SLDH) with FENG's spinal manipulation.

METHODSForty-one patients (27 male, 14 female) were treated by FENG's spinal manipulation. The clinical results were measured by the Japanese and FENG's lumbar treatment standard and evaluated by scoring system for assessment of treatment for low back pain between pre- and post-treatment. To measure MRI sagittal index (SI) of lumbar disc herniation between pre- and post-treatment.

RESULTSThe score of subjective symptoms and clinical signs increased obviously after treatment. There was no statistical difference of SI between pre- and post-treatment (P<0.05). The outcome of treatment was satisfying.

CONCLUSIONThe major pathologic change of SLDH is the single/multiple vertebral subluxation. FENG's spinal manipulation can correct the vertebral subluxation which leading to the series of clinical manifestations. The good clinical outcome may due to the alleviation of distortion and tension of dura and nerve root with the recovery of the spinal column's stability.

Adult ; Female ; Humans ; Intervertebral Disc Displacement ; therapy ; Lumbar Vertebrae ; Male ; Manipulation, Spinal ; methods ; Middle Aged

OBJECTIVETo prepare OANO-1 microspheres and test their release in vitro.

METHODOANO-1 microspheres were made by W/O/W-liquid drying process. The surface morphology of the microspheres was observed by SEM. The mean diameter and the size distribution of microspheres, the drug loading and the incorporation efficiency were examined. The release of OANO-1 microspheres in vitro was examined by small cup method. The accumulated release percent of OANO-1 microspheres was examined.

RESULTThe OANO-1 microspheres were regular in their morphology. The average particle size was 8.59 microm with over 90% of the microspheres being in the range of 1-12 microm. The drug loading and the incorporation efficiency were 48.39% and 19.32% respectively. The accumulated release percent of OANO-1 microspheres was 78.4% after 108 h. The release half-life t1/2 was 40.8 h and Higuchi equation was Y = 0.1326 X - 0.4782, r = 0.9951.

CONCLUSIONThe preparation of OANO-1 microspheres was well. The release in vitro of OANO-1 microspheres showed significant sustained release.

Angelica sinensis ; chemistry ; Delayed-Action Preparations ; Drug Carriers ; Drug Combinations ; Drug Compounding ; methods ; Drugs, Chinese Herbal ; administration & dosage ; chemistry ; isolation & purification ; Epimedium ; chemistry ; Ficusin ; analysis ; Furocoumarins ; analysis ; Microspheres ; Particle Size ; Plants, Medicinal ; chemistry ; Psoralea ; chemistry