Objective To investigate the changes of IL-6, IL-10 and TNF-αafter cholecystectomy.Methods 46 cases with cholecystolithiasis were selected and divided into 2 groups.23 in control group were treated with open cholecystectomy, experimental group were treated with laparoscopic cholecystectomy.The levels of IL-6, TNF-α, IL-10 and CD4 +/CD8 +T were compared in the two groups pre-and post-treatment.ResuIts Compared with pre-treatment, two groups of patients with IL-10, TNF-α, IL-6 and CD4 +T and CD4 +/CD8 +T increased (P<0.05), compared with control group, experimental group IL-10, TNF-α, IL-6, CD4 +/CD8 +T levels were higher (P<0.05).ConcIusion Laparoscopic cholecystectomy can significantly reduce the IL-6, TNF-αand IL-10 levels, reduce the body′s stress response to surgery, and reduce blood flow, shorten the operation time.

Objective To investigate effect of autologous hematopoietic stem cell transplantation on serum trace elements and lactate dehydrogenase activity in patients with malignant lymphoma.Methods 80 patients with malignant lymphoma collected in our hospital from May 2013 to May 2014,40 cases in each group, Hodgkin lymphoma ( HL) patients were treated with ABVD ( doxorubicin, bleomycin, vincristine, dacarbazine) regimen of chemotherapy; Non-Hodgkin,s lymphoma ( NHL) patients were treated with standard CHOP ( cyclophosphamide, vincristine, epirubicin, dexamethasone) regimen of chemotherapy of two group.Chemotherapy drugs combined with granulocyte colony stimulating factor ( G-CSF) was used to mobilize APBSC.Application of 10μg/(kg? d)G-CSF 5 in bone marrow suppression after chemotherapy, detected white cell increased 3.0 ×109/L , platelets rose to 50 ×109/L, collected APBSC,The frozen stock solution of cell was joined and frozen.24 h after pre-treatment, the frozen peripheral blood hematopoietic stem cells of the subclavian vein was transfused for patients in experimental group.Control group continued to receive chemotherapy. After treatment, the Cu level, Zn level and lactate dehydrogenase activity were detected in all patients.ResuIts After treatment, Zn levels of two groups increased (P<0.05), Cu and Cu/Zn levels decreased (P<0.05).Compared with control group, the level of Zn was higher in experimental group (P<0.05), and the level of Cu and Cu/Zn was lower (P<0.05).After treatment, the lactate dehydrogenase activity of two groups decreased (P<0.05), and experimental group was more lower than control groupy (P<0.05).ConcIusion Autologous hematopoietic stem cell transplantation can significantly reduce the level of Cu in patients with malignant lymphoma , elevate Zn level and decrease the activity of lactate dehydrogenase, which has guiding significance for clinical.

Objective To analyse the effect of dual-antiplatelet drugs on S100β,IL-1β, adiponectin(ADPN)and NIHSS score in patients with acute cerebral infarction.Methods 58 patients diagnosed with acute cerebral infarction in first hospital of Qinhuangdao.All patients were collected and randomly divided into experimental group and control group according to random number table , 29 cases in each group.Both group were given the treatrnent of improvng the cerebral vascular circulation, protect brain cells, control blood pressure, blood glucose, oxygen when necessary.On the basis of conventional treatment, control group was treated with aspirin 200 mg, one time per day,orally.And experimental group was treated with clopidogrel 75 mg/d on the basis of control group,one time per day,orally.After treatment, the serum levels of S100β, IL-1β, ADPN and NIHSS score were detected in all patients.ResuIts After treatment, compared with control group,the serum S100βprotein level was significantly lower in the experimental group (P<0.05); the serum IL-1βlevel in experimental group was significantly lower (P<0.05);ADPN level in experimental group was significantly higher (P<0.05); NIHSS score of patients in experimental group was significantly lower (P<0.05).ConcIusions Dual antiplatelet drugs can reduce serum S100βprotein,IL-1βin serum of patients with acute cerebral infarction, increase the level of serum adiponectin, decrease NIHSS score, can effectively improre neurological function in patients with acute cerebral infarction.

Objective To investigate the effect of Ginkgo biloba extract on serum divalent metal transporter1 ( DMT1 ) , glucose regulated protein 75(grp75) and nerve function in patients with Parkinson disease.Methods 38 cases of patients loith parkinson disease according to different drugs were divided into experimental group and control group, 19 cases in each group.Control group was treated with levodopa and Benserazide tablet, experimental group on the basis of control group, was given Ginkgo biloba extract tablets, treatment for 4 weeks.After treatment, DMT1, grp75 and cognitive function of all patients in substantia nigra were detected.ResuIts Compared with before treatment, two groups of patients with lower DMT1 level (P<0.05), compared with control group, experimental group of patients with lower DMT1 levels (P<0.05).Compared with pre-treatment, two groups of patients grp75 level was higher (P<0.05), compared with control group, experimental group after treatment grp75 level was higher (P<0.05).Compared with before treatment, the two groups of patients with MoCA scores were higher (P<0.05), HAMD scores were lower (P<0.05).Compared with control group, experimental group after treatment MoCA scores were higher (P<0.05), HAMD scores were lower (P<0.05).ConcIusion Ginkgo biloba extract can significantly reduce the level of DMT1 in the substantia nigra of Parkinson patients, increase the level of grp75, and improve the cognitive function.

Objective To study the appearance of skin mucous glycoprotein in vitro on the activity of human lung cancer cells A549. Methods Used alkali extraction and DEAE-52 ion exchange chromatography and Sephadex G-100 gel chromatography purification salamander mucous glycoprotein; Salamander mucous glycoprotein inhibition of human lung cancer cells A549 was detected by MTT colorimetric method in vitro.ResuIts It showed that the total sugar content in the appearance of mucus was 4.23%, the relatively pure glycoprotein component, by SDS protein electrophoresis tests, it contained a single glycoprotein component, its molecular weight was about 30 kDa.With glycoprotein pure concentration increased from 1,10, 20,40μg/mL, the glycoprotein inhibition rate of A549 cells increased; when the glycoprotein concentration was 40 μg/mL, for 24 h action, the inhibition rate of A549 cells was up to 85.66 %, while the role of 48 h, the inhibition rate of A549 cells was up to 92.32%.Inhibition effect of mucus glycoprotein on A549 cell compared with positive control drug, had significant difference.ConcIusion Salamander mucus glycoproteins of human lung cancer cells has obvious inhibitory effect, can provide theoretical basis for the development of lung cancer drug resistance.

Objective To observe protective effects of parthenolide ( PTN) in rats with doxorubicin-induced nephropathy and its mechanims. Methods 48 male rats were randomly divided into six groups: blank group, model group, vehicle group, and parthenolide-treated group (1.5, 3, 6 mg/kg).The models of doxorubicin-induced nephropathy were established by tail vein injection of 5 mg/kg doxorubicin for one time.After consecutive treatment of PTN for seven days, the BUN and Cr in serum, and nitricoxide (NO), malondialdehyde (MDA), nitricoxidesynthase (NOS), glutathione peroxidase (GSH), superoxide dismutase (SOD) in renal tissues were detected.The pathological changes of renal tissue was observed by HE method. ResuIts There was significant pathological changes of renal tissue in model group, that showed basophilic change, interstitial inflammatory hyperplasia and inflammatory infiltratio, after PTN 6 mg/kg treatment, the above changes significant improved.The serum BUN and Cr levels in PTN 1.5 mg/kg, PTN 3 mg/kg and PTN 6 mg/kg group were lower than those in model group (P<0.05);there were no significant differences of above indexes between PTN 3 mg/kg, PTN 6 mg/kg group and blank gorup.Compared with model group, the SOD and GSH activity were higher and MDA level was lower in three different dosage of PTN groups (P<0.05); there were no significant differences of SOD activity between PTN 3 mg/kg, PTN 6 mg/kg group and blank gorup; there were no significant differences of GSH activity and MDA level between PTN 6 mg/kg group and blank gorup.The NO level and NOS activity in three different dosage of PTN groups were higher (P<0.05);there were no significant differences of NO level and NOS activity between PTN 6 mg/kg group and blank gorup.ConcIusion Parthenolide has protective effects on doxorubicin-induced nephropathy, and its mechanism might be antioxidative effects.

Objective To investigate effect of emodin on cell membrane, protein and nucleic acid synthesis of MRSA41577, and systematically investigate the anti-bacterial mechanism of emodin.Methods TTC assay was used to detected the anti-bacterial activity of emodin on MRSA 41577. Conductivity and macromolecular were detected to investigate the effect of emodin on MRSA41577 cell membrane .SDS-PAGE was used to detect the effect of emodin on the soluble protein synthesis.DAPI staining was used to detect the effect of emodin on nucleic acid synthesis.UV-visible spectrophotometric was used to detected the interaction between emodin and DNA.ResuIts Emodin has significant inhibitory activity on MRSA41577, and the minimum inhibitory concentration was 8μg/mL.After treated with 8 μg/mL emodin for 6h, compared with control group, the macromolecular and conductivity improved (71.48 ±0.026)% (P<0.01) and (2.39 ±0.102)%(P<0.05), sepreatly.Compared with control, after treated with 8μg/ml emodin for 16h,the protein reduced 32.8%, and the contents of DNA and RNA reduced (4.82 ±1.06)%(P<0.05,) and (6.67 ±0.36)%(P<0.053).The UV-visible spectrophotometric results indicated that emodin could integrate with DNA through hydrogen bond.ConcIusion The anti-bacterial mechanism of emodin mainly through damage the cell membrane , inhibit the replication and transcription of DNA through hydrogen bond , inhibit the synthesis of protein, and thus inhibit the biological function of bacteria.

Objective To study inhibitory effect of serine protease activity by Ulinastatin in vitro .Methods Different chromogenic peptides were designed and synthesized.Highly sensitive fluorescence detection was performed to optimize the concentration of each serine proteases and their chromogenic substrates.Multi-point method was used for the calculation of half maximal inhibitory concentration of Ulinastatin .ResuIts Ulinastain could inhibit Polymorphonuclear leukocyte elastase ( PMNE ) and plasmin with IC50 lower than 100 U/mL.For factor Xa, and Kallikrein, the IC50 of Ulinastatin was higher than 1000U/mL.No thrombin IC50 could be calculated at the present experiments.ConcIusion Similar to Ulinastatin injection from Japan, domestic Ulinastatin shows the strongest inhibitory effects on PMNE among those serine proteases.As important references, this study gives reliable data for dose range of domestic Ulinastatin in anti-inflammation, coagulation/anti-coagulation and anti-shock therapy.

Objective To observe Effect of baicalin on BV2 cell activation damage caused by rotenone.Methods Rotenone infected BV2 cell viability were detected by MTT assay, and OX42 expression by ICC method assay, the inner cell Ca2 + content by fluorescence spectrophotometry, intracellular iron content by ICP-AES when low concentrations iron of load without damage in cells and extracellular H2 O2 and intracellular content of MDA, NO, NOS with related kits.ResuIts Rotenone exposure BV2 cell reduced cell viability, the expression of cell marker protein OX42 and intracellular Ca2 +content and intracellular iron content were all significantly increased(P<0.05), resulting in oxidative damage to cells.Baicalin reduced OX42 expression of rotenone exposure BV2 cell, increased cells survival, reduced intracellular iron content and H2 O2 release and oxidative damage of BV2(P<0.05).ConcIusion Baicalin inhibits BV2 activation and damage by rotenone-induced, and it has neuroprotective effects.The protection mechanism may relate to reduce iron into cells .

Aptamers are oligonucleotides which can combine targets with high affinity and specificity.Graphene oxide is a kind of new material with many unique physical and chemical properties.Recently, graphene oxide is gradually applied to the field of aptamers and has made a series of progress.This review focused on the application progress of graphene oxide and aptamers in the detection of different targets including small molecules and metal ion, biomacromolecules and cells in order to provide references for the mass application of graphene oxide and aptamers in the field of detection .