OBJECTIVE:To promote rational combined use of Chinese Chinese materia medica with western medicines.METHODS:The mechanisms for Chinese materia medica and its chemical compositions to change the bioavailability of orally taken substrates by its inhibiting or inducing intestinal CYP3A4 and P-gp were summarized,and which were analyzed by combining the literature.RESULTS:Fructus Schisandrae,Radix Angelicae Dahuricae,Radix Angelicae Sinensis,Rutaecarpine,Ginkgolide A etc could inhibit or induce the CYP3A4 enzyme;Radix Scutellariae,common St.Johnwort herb with root,Naringenin,Hypericin etc could inhibit or induce P-gp.The change of the parameters of the bioavailability of substrate drugs caused by Chinese materia medica and its chemical compositions through acting on intestinal CYP3A4 and P-gp could influence the drug safety and efficacy.CONCLUSION:Clinicians and pharmacists should attach importance to the drug interactions in the concomitant use of Chinese traditional medicines and western drugs so as to promote rational drug use.

Objective To investigate the long-term effects of xanthine oxidase inhibitor,oxypurinol on myocardial contractility of post-ischemic heart failure in mice,and explore the underlying mechanism. Methods One hundred and twenty SV120 mice were randomly assigned into myocardial infarction control group,sham operation group and Oxy treatment group.Post-ischemic heart failure were induced by left anterior descending coronary artery ligation in myocardial infarction control group and Oxy treatment group,and mice in Oxy treatment group and sham operation group were orally administered with 0.5 mmol/L Oxy each day.Nine to eleven months after treatment,echocardiography was performed in all groups.Trabeculae from the right ventricle of mice were dissected for assessment of changes in excitation-contraction coupling.Sarcomere length was measured by laser diffraction.Intracellular free Ca~(2+) concentration([Ca~(2+)]_I)was detected with fluorescent dye Fura-2,which was microinjected iontophoretically into cells. Steady-state force-[Ca~(2+)]_I was achieved by addition of ryanodine and increasing the stimulus frequency to induce tetanization,and the relationship between myocardial contractility and intracellular Ca~(2+) transients was analysed.Besides,Western blotting was performed to determine the oxidation of myofilament proteins. Results Long-term oral administration of oxypurinol significantly improved myocardial contraction function and reduced ventricular wall thickness.Programming of excitation-contraction coupling was significantly improved,and maximal Ca~(2+) activated force(F_(max))in steady-state wag also significantly increased.Western blotting revealed the oxidative modification of actin in mice of Oxy treatment group was significantly inhibited compared with that of myocardial infarction control group. Conclusion Long-term treatment with Oxy improves the cardiac contraction function and boosts the cardiac force dramatically in post-ischemia heart failure.The increase in contraction is the result of increased myofilament Ca~(2+) responsiveness.Thus,antioxidant oxypurinol,by preventing oxidative damage to contractile proteins,can augment contraction with little changes in[Ca~(2+)]_I,represents new class of inotropic agents with advantages of reducing Ca~(2+) overload,and offers new promises in management of heart failure in the future.

Humans ; Lymphoma, Non-Hodgkin ; diagnosis ; Pleural Effusion

BACKGROUND:Studies have shown that sacral nerve-root stimulation based on anodes block technique can effectively reconstruct the bladder voiding function of the rabbits with spinal cord injury. But the corresponding technology of stimulating electrode has not been reported so far.
OBJECTIVE:To design and develop the stimulating electrodes matching with both rabbit sacral nerve roots and anodal blocking technique, to observe the ultrastructure and morphological change of rabbit sacral nerve roots which implanted in electrode stimulation for a long-term and to assess the safety of stimulating electrodes.
METHODS:Thirty New Zealand rabbits were included, 10 rabbits were randomly selected from them and sacrificed after anesthesia, and then cut the anterior roots of bilateral S 2 and S 3 immediately;after measuring the diameter under the light microscope, the sleeve type stimulation electrode matched with the diameter was made. The remaining 20 rabbits were randomly divided into control group and implantation group, with 10 rabbits in each group. In the implantation group, the stimulating electrodes were implanted into the forepart of S 2 and S 3 nerve roots after anesthesia, and then sacrificed after fed for half a year for col ecting the samples. Then ultrastructure change of sacral nerve roots with the implantation was observed.
RESULTS AND CONCLUSION:Structure of nerve cel s of sacral nerve roots remained in good condition under a light microscope after long-term implantation of the stimulating electrodes. No obvious degeneration of axons, no inflammatory infiltration and glial scar formation were observed. In the implantation group, myelins arranged closely without demyelination phenomenon, and there was no atrophy of neuronal nuclear, no nuclear sag, no increased nuclear decompression and heterochromatin in neurons under the light microscope. Immunohistochemical analysis showed, compared with the control group, there were no significant differences in the expressions of glial fibril ary acidic protein, Bax, Bcl-2 and Caspase-3 proteins of nerve roots in the implantation group. The stimulation electrode of rabbit sacral nerve root is developed successful y, that is, the implantation is simple and safe as it can be used for long-term implantation without histopathological changes and apoptosis.

Objective To observe the curative effect of Huoxue-Tongluo-Zhitong ointment treating soft tissue injury,and the safety of application on skin.Methods The treatment group was treated with Huoxue-Tongluo-Zhitong ointment,while the comparison group was treated with Votalin Pill.Acute toxicity experiment,irritant experiment and hypersensitivity experiment of skin were performed on New Zealand white rabbits.Results Huoxue-Tongluo-Zhitong ointment decreased local edema and leukocyte effusion,accelerate the re-absorption of hematomas.On injury signs index,group A [ (0.32± 0.35),(0.29± 0.27) ] was better than group B [ (0.58±0.42),(0.91 ±0.34) ] (P＜0.05).The pathological process in group A and B was obviously reduced than group C (P＜0.05).In the neutruphil infiltration density measuring:compared with group C,group A and B both showed significant difference (P＜0.05),but there was no significant difference between group A and B (P＞0.05).Conclusion Huoxue-Tongluo-Zhitong ointment performed well on the treatment of soft issue injury,with no toxicity,irritation,and hypersensitivity of skin,as well as high safety of administration.

BACKGROUND:Fusion treatment for single segment cervical spondylosis can induce complications such as abnormal enlargement of range of motion in adjacent segments and degenerative manifestations. Recently, scholars began to explore and to use non-fusion technique to replace traditional fusion therapy. Cervical artificial disc replacement as a new anterior non-fusion program has been greatly used in the clinic, not only obtained good clinical therapeutic effects, but also made cervical vertebrae near physiological stability, delayed adjacent segment degeneration and reduced complications. ＜br> OBJECTIVE:To compare the clinical effects of the single level artificial disc replacement and the anterior cervical decompression and fusion for cervical spondylosis. ＜br> METHODS:A total of 59 patients with single segment cervical spondylosis, whose clinical signs and symptoms were accorded, were enrol ed from the First Affiliated Hospital of Zhengzhou University, China from May 2011 to May 2013. Imaging revealed that single segment of cervical disc degeneration compressed spinal cord or nerve root. Owing to different surgeries, these patients were divided into artificial disc replacement group (replacement group;n=32) and anterior cervical decompression and fusion group (fusion group;n=27). They were fol owed up at 5 days, 3, 6 and 12 months after treatment. Japanese Orthopaedic Association scores, neck pain, upper extremity pain visual analog scale scores were measured. The range of motion of the replacement segment and its effects on adjacent segments were observed. ＜br> RESULTS AND CONCLUSION:The postoperative Japanese Orthopaedic Association Scores were improved compared with preoperative scores (P＜0.05), while Japanese Orthopaedic Association Scores were decreased compared with preoperative scores (P＜0.05). There were no significant differences between two groups (P>0.05). Range of motion of the replacement segment after treatment was (11.6±3.0)° in the replacement group, showing no significant differences as compared with before surgery (8.8±2.7)° (P>0.05). No significant activity was found at 3 months after treatment in the fusion group. During fol ow-up, the range of motion in the adjacent segments was smal er in the replacement group than in the fusion group (P＜0.05). No significant difference in the range of motion in the adjacent segments was detected before and after treatment in the replacement group (P>0.05), but significant differences in the range of motion were detected before and after treatment in the fusion group (P＜0.05). The range of motion was apparently increased after treatment. These findings indicated that compared with the anterior cervical decompression and fusion, cervical artificial disc replacement can not only improve the clinical symptoms, restore nerve function, but also can keep the range of motion and stability of the cervical replacement segment. Moreover, it does not have impacts on the range of motion in the segments near to the surgical wound, and can effectively maintain cervical curvature.

BACKGROUND:Some studies have demonstrated that red blood celllysate added into the bone marrow can increase the efficiency of isolating and purifying mesenchymal stem cells, in order to obtain high-purity and high-quantity bone marrow mesenchymal stem cells.
OBJECTIVE:To isolate and culture bone marrow mesenchymal stem cells of rabbit with red blood celllysis in vitro for exploring proliferation characteristics and performing the biological identification of cells.
METHODS:Bone marrow suspension was col ected by puncturing the tibia with medul o-puncture needle. Red blood celllysis was added to the bone marrow suspension, and bone marrow mesenchymal stem cells were isolated and cultured. Numbers of primary cells were recorded at 4, 7, 10, and 13 days later And Growth curves of the cells at passages 2-5 were drawn for comparison of proliferative characteristics. Inverted phase contrast microscope was used to observe the morphological changes of cells. CD34, CD44 antigens of bone marrow mesenchymal stem cells were identified by flow cytometry and immunity fluorescence.
RESULTS AND CONCLUSION:The adherent bone marrow mesenchymal stem cells mainly showed s spindle shape, with homogeneous nuclei, prominent nucleoli, and rich cytoplasm, which were positive for CD44 antigen and negative for CD34 antigen. The primary cells exhibited an“S”shape. Passage 4 cells had a better proliferative ability, rapider growth and more counting of cells as compared with other generations. These findings indicate that red blood celllysis method is a feasible ways of culturing bone marrow mesenchymal stem cells 0 in vitro, and passage 4 cells have the strongest proliferation capacity.

It is very important to summarize and heritage prominent TCM doctors experience for inheriting and developing TCM.To fulfill such purpose,this article put forward some strategies such as to establish and improve the system and operation mechanism of prominent TCM doctors experience summary and inheritance,to build specification study evaluation system,to strengthen clinical practice,to regard summing up the diagnosis and treatment experience of modern disease transmission as a starting point,to emphasis on comparative study,and to enhance technology transfer and drug development on the basis of research results promote the development of Chinese medicine.

ObjectiveTo evaluate the efficacy and radiological variation of pedicle screw technique in the treatment of os odontoideum combined with atlantoaxial dislocation.MethodsFifteen patients with os odontoideum combined with atlantoaxial dislocation were treated with occipitocervical fusion or atlantoaxial fixation.Two patients with irreducible atlantoaxial dislocation were treated surgically with transoral anterior atlantoaxial release and one treated with posterior arch removal plus occipitocervical fusion.Two patients with atlas deformity and one infant were treated with occipitocervical fusion.The rest patients were treated with posterior reduction and pedicle screw internal fixation.Clinical manifestations and imaging changes were followed up to evaluate the clinical efficacy.ResultsAll patients were followed-up for average 26 months (range,7-47 months).Neurological recovery was significantly improved in 13 patients and took a turn for the better in two.The average JOA scores was increased from average preoperative 8.27 to postoperative 15. According to Hirabayashi,the average improvement rate was77％,including 10 patients with excellent outcomes and five with good outcomes,with excellence rate of100％.The cervical-medullary angle was increased from average preoperative 130.3° to postoperative151.7°.Postoperative X-rays and CT showed good atlantoaxial alignment and solid bony fusion in all pa-tients,with no shedding or breakage of the fixators.ConclusionOccipitocervical fusion or adantoaxial fixation through pedicle screw technique is an effective method for treatment of os odontoideum combined with irreducible atlantoaxial dislocation.

Objective To observe the distribution proportion of insulin resistance(IR) and non -insulin resistant(NIR) in aged subjects with impaired glucose tolerance (IGT)and to evaluate their states of metabolic syndrome and atherosclerosis. Methods Some indexes were detected in elderly subjects with IGT such as body mass index(BMI),waist-to-hip ratio(WHR), cholesterol(TC),triglyceride(TG), low density lipoprotein cholesterol(LDL-C) and high density lipoprotein cholesterol(HDL-C), systolic blood pressure (SBP), diastolic pressure (DBP), insulin,insulin area under curve(InsAUC) , inflammation markers(hsCRP,Fg), proinsulin and proinsulin area under curve(PIAUC),IMT and carotid artery atheromatous plaque were also examined in some people. Subjects were divided into insulin resistance group(IR group) and non-IR group(NIR group) according to HOMA-IR. Results (1)156 subjects with IGT, the rates of IR and NIR were 75.6% and 24.4% respectively.(2)BMI, TG,TC,LDL-C,hsCRP, Fg, SBP, DBP,HOMA-IR, InsAUC, PIAUC in IR group\[(26.8?2.1) kg/m2,0.96?0.23,(2.9?1.3)mmol/L,(5.4?1.8)mmol/L,(3.9?1.5)mmol/L,(154?12)mm Hg,(96?7) mm Hg,(239?71)mU/L,(170?42)pmol/L,(7.5?1.2)mg/L,(4.5?1.4) g/L \] were higher than those in NIR group\[(22.8?2.5) kg/m2, 0.80?0.2,(1.7?1.2) mmol/L,(4.5?1.5)mmol/L, 3.0?0.8 mmol/L,(133?10)mm Hg,(83?1)mm Hg,(180?66)mU/L,(109?25) pmol/L,(4.3?0.8)mg/L,(3.8?1.5 )g/L\], but HDL-C in IR group was lower than that in NIR group(1.0?0.4)mmol/L (P