Objective:To study the antibacterial properties of pure titanium treated with benzalkonium chloride solution.Meth-ods:10 mm ×10 mm ×1 mm titanium specimens were processed by the benzalkonium chloride solution at 1%,0.5% and 0.1%respectively followed by treatment in the cultured bacterial suspension,and then the antibacterial properties of the titanium plates were examined.Additionally,the thermal cycling test was carried out for the 1% benzalkonium chloride-treated titanium plates, and subsequently put the plates into cultured bacterial suspension,the duration of antibacterial properties was observed.Results:0.5% and 1% benzalkonium chloride solution-treated titanium plates significantly inhibited the growth of candida albicans(P <0. 05),1% solution was more effective than 0.5% solution.After 1 000 and 2 500 thermal cycling,the pure titanium still retained the antibacterial ability,but the plates treated by 5 000 cycling showed no antibacterial effect.Conclusion:A certain concentration of benzalkonium chloride can make the pure titanium obtain antibacterial properties.The treated plates may maintain the antibacte-rial properties for a minimum of 3 months.

In our gastroenterology clinic from Jun. 2008 to Jan. 2009, 20. 9% (277/1320) patients were diagnosed with functional dyspepsia (FD) and 14. 8% (41/277) of them with psychological problems according to Minnesota Multiphasic Personality Inventory (MMPI). In those with psychological disorders,92.7% were found with somatization, 60. 9% with depression and anxiety, 97.6% with abdominal pain,75.6% with bloating, 63.4% with early fullness and 36. 6% with nausea. More than 80% patients with anxiety and depression complained irritability, worry, fatigue, poor concentration, memory loss and insomni.a. After 4 weeks of psychological consultation and anti-depression treatment, 5 patients had significant improvement, 31 had improvement and 3 had no response. The overall response rate was 87. 8%.In summary,there is a high prevalence of depression and anxiety in population with FD. Hypochondria and somatization are common among these patients. Psychological consultation with anxiolytic drugs may have good therapeutic effects.

Apoptosis ; drug effects ; Cell Line, Tumor ; Cell Proliferation ; drug effects ; Doxorubicin ; administration & dosage ; analogs & derivatives ; pharmacology ; Humans ; Precursor Cell Lymphoblastic Leukemia-Lymphoma ; drug therapy ; pathology ; Valproic Acid ; administration & dosage ; pharmacology

Objective To investigate the effect of Yunnan Baiyao Plaster on serum related markers levels in the patients with stroke ,to evaluate its improvement effect on the neurological dysfunction and pain and to analyze its effect mechanism .Methods Eighty cases of hemorrhagic stroke treated in the neurosurgical department of our hospital from February 2015 to June 2016 were screened as the research subjects and divided into the control group and observation group according to the random number table method ,40 cases in each group .All subjects were given the routine treatment ,while the observation group received the external use of Yunnan Baiyao Plaster around the head operative incision and drilling ,to give Yunnan white ointment ,with the attaching area of 5 cm × 4 cm ,once daily ,for consecutive 7 d ,meanwhile took oral Yunnan Baiyao Plaster 0 .5 g with warm boiling water ,once daily for consecutive 7 d .The serum markers levels before and after treatment ,neural function defect score ,decline proportion of NIHSS scores and prognostic indicators were compared between the two groups .Results The mean pain value within 1 week in the obser-vation group was lower than that in the control group ,the difference was statistically significant (P<0 .05);the pain peak value and valley value within 1 weeks had no statistical difference between the observation group and control group ,the difference was not statistically significant (P> 0 .05);after 2 weeks ,ET ,TNF-α and IL-1β levels in the observation group and control group were lower than those before treatment in the intra-group comparison ,while the comparison between the two groups showed that the ob-servation group was lower than the control group ,the difference was statistically significant (P<0 .05);the decrease rate of NIH-SS scores within 2 weeks in the observation group was (74 .4 ± 5 .2)% ,which was higher than (66 .3 ± 10 .3)% in the control group ,the difference was statistically significant (P<0 .05);the occurrence rate of severe complications within 2 weeks in the ob-servation group was 7 .5% (3/40) ,the mortality rate was 2 .5% (1/40) ,which in the control group were 12 .5% (5/40) and 2 .5%(1/40) ,the difference was not statistically significant (P>0 .05) .Conclusion The combined treatment of Yunnan Baiyao Plaster in the patients with hemorrhagic stroke conld relieve pain and reduce the neurological deficit ,which might be related to the mechanism of anti-inflammation and analgesia .

OBJECTIVE:To study the anti-tumor effects of Vinblastine (VLB) hydrophilic group modified cationic liposomes in tumor-bearing mice. METHODS:Tumor-bearing model were induced by inoculating yellow ascites of S180 ascites tumor mice. Tumor-bearing mice were randomly divided into model group,VLB sulfate injection group,VLB liposomes group,VLB hydrophil-ic group modified liposomes group,VLB cationic liposomes group and VLB hydrophilic group modified cationic liposomes group, i.e. group A,B,C,D,E and F,with 18 mice in each group. Group A was given normal saline intravenously via mice tail,other groups were given VLB 1.5 mg/kg every 2 days for consecutive 5 times. The anti-tumor effects of different VLB preparations were compared,using living conditions,survival time,tumor volume and weight,and tissue pathological section as indexes. RE-SULTS:Compared with group A,B,C,D and E,the mice of group F were more active,and had longer survival time,smaller tumor volume and lighter tumor weight,with statistical significance(P<0.05). The tissue pathological section of mice in group F indicated that coagulation necrosis,disintegration,and dissolution of tumor cell nucleus. CONCLUSIONS:VLB hydrophilic group modified cationic liposomes have obvious anti-tumor effect,which are better than other VLB preparations.

To explore the effect of high glucose on the NF-κB/IκB signal pathway in cultured rat glomerular mesangial cells. The results showed that high glucose increased the degradation of IκB-α and the translocation to nucleus of NF-κB. These changes could be reverted mostly by MG132, a proteasome inhibitor. It suggests that the activation of the NF-κB signal pathway by high glucose concentration may probably be via the ubiquitin-proteasome pathway.

Recently, drug delivery materials have become the hotspot of medical study. Suitable delivery material plays an important role in constructing an excellent drug delivery system. Silk fibroin is a naturally occurring protein polymer with excellent biocompatibility, remarkable mechanical properties, biodegradability and outstanding processability. Due to its unique properties, silk fibroin has become a favorable carrier material for the incorporation and delivery of a range of therapeutic agents. Based on the structure and characteristics of silk fibroin, this article provides an overview of the recent research progress of silk fibroin used as drug delivery materials.
Biocompatible Materials ; Drug Delivery Systems ; Fibroins ; chemistry

Acanthoma ; metabolism ; pathology ; surgery ; Adenoma ; metabolism ; pathology ; Adult ; Aged ; Diagnosis, Differential ; Female ; Humans ; Keratin-14 ; metabolism ; Keratin-5 ; metabolism ; Keratin-6 ; metabolism ; Keratosis ; metabolism ; pathology ; surgery ; Male ; Poroma ; classification ; metabolism ; pathology ; surgery ; Sweat Gland Neoplasms ; classification ; metabolism ; pathology ; surgery

Aneurysm ; complications ; diagnostic imaging ; Child ; Coronary Aneurysm ; complications ; diagnostic imaging ; Humans ; Mucocutaneous Lymph Node Syndrome ; complications ; diagnostic imaging ; Ultrasonography

Adenocarcinoma ; therapy ; Adult ; Antineoplastic Combined Chemotherapy Protocols ; therapeutic use ; Carboplatin ; administration & dosage ; Carcinoma, Squamous Cell ; therapy ; Chemotherapy, Adjuvant ; Combined Modality Therapy ; Doxorubicin ; administration & dosage ; analogs & derivatives ; Female ; Humans ; Hysterectomy ; Lymph Node Excision ; methods ; Middle Aged ; Uterine Cervical Neoplasms ; therapy