To explore the interference effect of Kangxianzengzhi(KXZZ) capsule on hippocampal mossy fiber sprouting in epileptic rat kindled by pentylenetetrazol.Methods: Epileptic rat models were established by pentylenetetrazol(PTZ) kindling method.All rats were divided into six groups: KXZZ high-does group,KXZZ middle-does group,KXZZ low-does group,valproate magnesium group, model group and normal group randomly.Then the hippocampal mossy fiber sprouting was monitored by Timm stain method.Results: Mossy fiber sprouting was obvious in the hippocampal CA3 section and the molecular layer of dentate syrus in model group.Compared with normal group,the percent of sprouting density in model group was higher(P

OBJECTIVETo explore the effects of nano-hydroxyapatite/polyamide 66 (n-HA/PA66) cage on recovering and maintaining lumbar curvature, lumbar heights and fusion rate when used in the transforaminal lumbar interbody fusion.

METHODSFrom February to July 2012, 50 patients with degenerative lumbar disease(lumbar disc herniation in 32 cases and lumbar spondylolisthesis in 18 cases) were treated with transforaminal lumbar interbody fusion using the n-HA/PA66 cage, and their preoperative and postoperative clinical outcomes were analyzed. The patients were followed up for 2, 4, 6 and 8 months after operation, during which the CR and CT film of lumbar vertebra were checked to get relative height of vertebral space, Taillard index,index of lumbar spinal curvature,angle of segmental and full lumbar lordosis. The data were analyzed respectively with pair t-test, analysis of variance or LSD-t-test.

RESULTSAll the patients were followed up, and the duraion ranged from 8 to 13 months, with a mean of 11.32 months. There were significant differences in relative height of vertebral space, Taillard index, index of lumbar spinal curvature, angle of segmental and full lumbar lordosis after surgery, but there were no significant differences in different periods after operation. The fusion time of lumbar ranged from 4 to 8 months.

CONCLUSIONThe n-HA/PA66 cage can recover and maintain lumbar normal stability with higher rate of fusion and less complications.

Adult ; Durapatite ; administration & dosage ; Female ; Humans ; Intervertebral Disc Displacement ; surgery ; Lumbar Vertebrae ; surgery ; Male ; Middle Aged ; Nylons ; Spinal Fusion ; adverse effects ; instrumentation ; methods ; Spondylolisthesis ; surgery ; Tomography, X-Ray Computed

Objective To discusses the clinical significance of XRCC1 399 and TYMS 5'-translation section enhancement subsequence polymorphism in guidance the postoperative individual chemotherapy for patients with resected non-small cell lung cancer.Methods Retrospectively analyze the results of 150 cases from February 2010to June 2014.Statistical analysis with SPSS 21.0.Results Three of the most common gene type of XRCC1 399 is Arg/Arg(58.7％),Arg/Gln(36.7％) and Gln/Gln(4.6％),respectively.Three of the most common gene type of TYMS is 3R/3R (70.7％),2R/3R (25.3％) and 2R/2R (4.0％),respectively.Conclusion In resected non-small cell lung cancer,XRCC1 399 Arg/Arg genotype is the most common,followed by Arg/Gln type.At the sarne time,TYMS gene type 3R/3R accounted for more than 70％,especially higher percentage of in adenocarcinoma.Neither of these two gene polymorphism is recommended as marker to guide the postoperative individual chemotherapy.

Objective To discuss the optimal timing of fixation for femoral shaft fractures with concomitant head injuries. MethodsEarly and delayed complications,mortality rate,interval of ICU and duration of hospital stay were compared among 137 patients with head injuries,so as to evaluate the curative effect of early fixation of femoral shaft fracture(n=56) and delayed fixation(n=81).Results Early fixation group enjoyed advantages in the interval of ICU,duration of hospital stay,associated shock and infection rate over the delayed fixation group(P

Objective:To investigate the expression of HIF-1?and its relationship with angiogenesis in osteosarcoma.Methods: Osteosarcoma MG-63 cells were cultured in vitro under hypoxia and mimic hypoxia conditions.Thirty paraffin-embedded osteosarcoma tissues and 20 fresh frozen osteosarcoma specimens were collected.The mRNA and protein expression of HIF-1?and VEGF were detected by RT-PCR,Western blotting,ELISA,and immunohistochemistry methods.The mean vessel density(MVD)were also calculated.Results:The mRNA level of HIF-1?had no change under hypoxia and minic hypoxia conditions,whereas the protein expression was increased dramaticaly.The mRNA and protein expression of VEGF was significantly increased under hypoxia and minic hypoxia conditions.The positive rate of HIF-1?mRNA(90%)and VEGF(100%)in 20 fresh frozen tissues were higher than those of the para-tumor tissues(P

OBJECTIVETo evaluate effects of arthroscopic debridement and visco supplement for the treatment of degenerative osteoarthropathy of ankle.

METHODSFrom October 2008 to May 2012, 30 patients with degenerative osteoarthropathy of ankle were treated with arthroscopy after ineffective treatment with conservative methods. Two patients lost follow-up. Among the patients, 19 patients were male and 9 patients were female, ranging in age from 28 to 56 years old, with a mean of (40.0+ 5.9)years old. Patients who had inflammatory or postinfectious arthritis,rheumatoid,gout,tuberculosis were excluded. Other exclusion criteria included previous arthroscopic treatment for ankle osteoarthropathy, intraarticular corticosteroid injection within the previous 6 months, a major neurologic deficit, serious medical illness and pregnancy. Articular cartilage iijuries were classified according to Outerbridge by the same doctor. Follow procedures were involved in the surgery: synovectomy,debridement or excision of fragments of articular cartilage or chondral flaps and osteophytes that prevented full extension. Microfracture of chondral defects was not performed. Ogilvie-Harris criteria was used to evaluate therapeutic effects.

RESULTSAccording to Ogilvie-Harris criteria, 10 patients got an excellent results, 14 good, 3 poor and 1 bad. The mean VAS score of pain decreased from preoperative 7.5+/-1.3 to postoperative 2.4+/-2.3. The score of dorsiflexion range (ROM-D) had no obvious change after operation [preoperative(27.0+/-7.3)degree and postoperative(29.0+/-5.6)degree]. The mean Tegner score increased from preoperative 2.7+/-1.3 to postoperative 5.6+/-2.2.

CONCLUSIONSynovectomy, debridement or excision of chondral flaps and osteophytes under arthroscopy, as well as scheduled intraarticular sodium hyaluronate injection should be recommened to treat ankle degenerative osteoarthropathy.

Adult ; Ankle Joint ; physiopathology ; surgery ; Arthroscopy ; methods ; Debridement ; methods ; Female ; Humans ; Male ; Middle Aged ; Osteoarthritis ; physiopathology ; surgery ; Range of Motion, Articular

Taxol is an active chemotherapeutic agent against a variety of solid tumors and a potentially useful drug for augmenting the cytotoxic action of radiotherapy against certain cancers. Taxol blocks cells in the mitotic phase of cell cycle. The aim of this study was to define the in vivo response of rapidly dividing cells of the small intestinal mucosa to taxol. We studied the numbers of apoptotic and mitotic cells and the expression of bcl-2 and p53 in rat jejunal crypt cells at 1, 2, 4, 8, 12, 16, and 24 hours and 3 and 5 days after intraperitoneal injection of taxol. Mitosis peaked at 2 and 4 hours and 12 and 16 hours. Apoptosis peaked at 16 hours and returned to normal after five days. The glands in crypts showed marked distortion with atypical lining cells after three days, which returned to normal at 5 days. bcl-2 expression was markedly decreased at 8 to 24 hours and subnormally recovered after three to five days. p53 showed no significant changes throughout. The histopathological changes in small intestine due to taxol were transient with complete recovery. bcl-2 expression was inversely corresponded to numbers of apoptosis. The changes were p53 independent. Further studies to understand the conditions that maximize the cell-cycle modulating effects of taxol cl-may greatly enhance its anti-tumor effectiveness.
Animals ; Apoptosis ; Cell Cycle ; Injections, Intraperitoneal ; Intestinal Mucosa ; Intestine, Small* ; Mitosis ; Paclitaxel ; Radiotherapy ; Rats*

Objective To investigate the value of ultrasound-guided diffuse optical tomography (US-guided DOT) to predict clinical efficacy of breast cancer neoadjuvant chemotherapy (NAC).Methods Eighty-eight breast cancer patients with 93 lesions were included.Pre-and post-last chemotherapy,the size,total hemoglobin concentration (THC) of each lesion were measured by ultrasonography (US) and US-guided DOT.Based on the guidelines to evaluate the response to treatment in solid tumors,the lesions of treated breast cancer patients were divided into 4 types of responses to NAC:complete response (CR),partial response (PR),stable disease (SD),and progressive disease (PD).Efficient groups include CR and PR groups.Results As expected,no significant difference was found in size and THC for untreated lesions (all P ＞0.05).However,for the treated lesions(P =0.001),THC,pre-vs post-treatment size changes (△Size％) (P =0.002) and THC changes (△THC％) (P ＜0.001) were significantly varied among CR,PR,SD,PD groups.When compared with pre-treated,tumor sizes after treatment were changed significantly in all CR(P ＜0.001),PR(P ＜0.001),SD (P =0.023) and PD (P =0.001),while significant change of THC was only found in CR(P ＜0.001),PR(P ＜0.001) and SD (P =0.002).When △THC％ =23.9％ as the threshold for prediction of NAC efficiency,the area under the curve of ROC was 0.75,and the sensitivity was 73.7％,specificity was 76.5 ％,positive predictive value was 93.3 ％,negative predictive value was 39.4％,accuracy was 74.2％.Conclusions △size％ changes in consistent with △THC％ among the intergroups,but their changes levels are different,the highest change percent appears in CR,gradually decreased in PR,SD groups.△THC％ will contribute to predict preoperative clinical NAC efficacy.

Objective To investigate the feasibility of ultrasmall superparamagnetic iron oxide- enhanced(USPIO)-enhanced MR imaging for monitoring synovitis of antigen-induced arthritis in rabbit model and explore the optimal MR imaging sequences.Methods Nine female white rabbits with antigen(0.5 ml mBSA,2 mg/ml)induced arthritis of the right knees were used in the study.The left knees of these rabbits and both knees of another 3 rabbits served as the control.Nine to 28 days(mean 21.3 d)after successful model induction,all knees were imaged before and 24 h after intravenously injection of USPIO (0.3 ml/kg),among which 2 rabbits were also imaged at 48 and 72 h after administration of USPIO respectively.The MR protocol included spin-echo(SE) T_1WI,fast spin-echo(FSE)T_2WI,gradient echo (GRE)T_2~* WI and short tau inversion recovery(STIR).Images were analyzed quantitatively and qualitatively based on signal characteristics and patterns of the synovium.Paired t-test was used for the analysis of the signal intensity of inflammatory synovial membrane before and 24 h after injection of USPIO. MR findings were correlated with histopathology.Results Arthritis was successfully induced in all 9 right knees with intraarticular injection of mBSA.Pathological examination revealed hyperplasia of synovium with infiltration of USPIO-loaded-macrophages.MR depicted synovial thickening(thickness 2.07?0.97 mm) and joint effusion.Synovium and joint fluid appeared as slightly hypo- or iso-intense on T_1 WI and hyper- intense on T_2 WI or T_2~* WI.Twenty four hours after USPIO injection,significant T_1 enhancement(ASNR 41.91%?27.94%),negative T_2 and T_2~* enhancement(△SNR -34.92%?11.77% and -57.24%? 16.05%)were demonstrated in the region of synovial inflammation respectively.The signal at 48 h and 72 h changed less than that at hour 24.No signs of arthritis occurred in all left knees and in all knees of the artificial model group.Conclusion Iron oxide phagocytized into macrophages can be a root cause resulted in signal change on USPIO-enhanced MR images.The gradient echo sequence should be the optimal sequence to be used in USPIO-enhanced MR imaging in antigen-induced arthritis.

Primary hyperparathyroicism is a state of hypersecretion of PTH by the parathyroid. The etiology has not been established. The three possible etiologies of piimary hyperparathyroidism and incidences are adencena(83%), hyperplasia(15%), and carcinoma(1~2%). Parathyroid carcinoma usually presents in the fourth decades. The hallmark preoperative signs are hypercalcemia(serum calcium 15mg/dl). Palpable neck mass and bane and renal disease. Patients may present with multiple signs and syrnptoms, including recurrent nephrolithiasis, peptic ulcers, mental change, less frequently, extensive bone resorption. However, with greater awareness of the disease and wider use of screening tests, including blood calcium determinations, the diagnosis is frequently made in patients who have no symptoms and minimal, if any, signs of the disease ather than hypercalcemia and elevated levels of parathyroid Hormone. An 38-years-old woman was admitted to the hospital due to pain on the left knee joint. We experienced full-brown symptom pertaining to hyperpara- thyroidism. Thus we report a case herein and also discuss clinical anifestation, histologic features and treatment.
Bone Resorption ; Calcium ; Diagnosis ; Female ; Humans ; Hypercalcemia ; Hyperparathyroidism ; Incidence ; Knee Joint ; Mass Screening ; Neck ; Nephrolithiasis ; Parathyroid Hormone ; Parathyroid Neoplasms ; Peptic Ulcer ; Thyroid Gland