1.Research progress of fluorometholone on dry eye
International Eye Science 2016;16(8):1474-1476
?Dry eye is a common eye disease around the world, which has highly incidence. Although there are many treatment measures for dry eye, the clinical effect is not satisfactory. There is a close relationship between inflammation and dry eye, so the researchers pay more attention on anti -inflammatory therapy, such as fluorometholone. To explore the effect of anti -inflammatory medicine on dry eye, put forward the problems and shortcomings as well, lay the foundation for further study, and provide a strong theoretical basis for the clinical use of anti-inflammatory drugs in the treatment of dry eye, the author summarizes the clinical and experimental research progress of fluorometholone on dry eye in China and abroad.
2.Relationship between ambulatory pulse pressure and target organs damage in essential hypertensive patients
Lan MA ; Xiao XU ; Jian-Ping ZHANG ; Wei-Xing HAN ;
Chinese Journal of Geriatrics 2001;0(03):-
group Nor(P0.05).Conclusions The changes of ambulatory pulse pressure can reflect the degree of EH.The obvious increase of PP and decrease of DBP maybe are the exclusive features of ABPM in EH patients with target organs damage.
3.Effect of Ligustrazine on Expression of Platelet-Derived Growth Factor-? Receptor and Extracellular Signal Regulated Kinase in Neonatal Rat Cardiac Myocytes in Vitro Induced by Angiotensin Ⅱ
yin-ping, SUN ; da-wei, ZHANG ; xing, WANG
Journal of Applied Clinical Pediatrics 2006;0(13):-
Objective To investigate the effect of ligustrazine on the expression of platelet-derived growth factor-?(PDGF-?) receptor and extracellular signal regulated kinase(ERK1/2) induced by angiotensin Ⅱ(AngⅡ) in cardiac myocytes,and explore the mechanism of therapeutic.Methods Cultured cardiac myocytes of neonatal rats were treated with 10-7 mol/L AngⅡ as Ang Ⅱ group,10-7 mol/L AngⅡ plus 10 mg/L ligustrazine as ligustrazine group,the normally cultured neonatal rat cardiac myocytes as control group.Protein synthesis was measured by -leucine incorporation,and the expression of PDGF-? receptor and ERK1/2 was detected by Western blot.SPSS 11.0 software was used to analyze the data.Results There were significant differences among 3 groups(F=20.71 P
4.Treatment with Chinese botulinum toxin type A in 16 cases of masticatory spasm
Hua WEI ; Yu-Ping WANG ; Li-Ping LI ; Ying SUN ; Fang WANG ; Hua-Fang XING
Chinese Journal of Neurology 2000;0(04):-
Objective To study the therapeutic efficacy of Chinese botulinum toxin type A (CBTX- A) in masticatory spasm patients.Methods 16 patients with masticatory spasm were treated with CBTX-A local injection.12 patients showed jaw clench with masseter and temporalis affected (type Ⅰ).Four showed jaw clench and deviation to one side with pterygoid muscle affected unilaterally or bilaterally (type Ⅱ).All patients showed paroxysmal clenched jaw with difficulty in opening their mouths.There were no other clinical manifestations.CT and MRI did not reveal any intracerebral abnormalities.The efficacy and adverse effects were observed.Results CBTX-A were injected into 16 patients,resulting in a significant improvement of symptoms in 13 cases (4 cases of unilateral type Ⅰ,7 of 8 cases bilateral type Ⅰ,2 of 4 type Ⅱ).The spasms ceased within 3-10 days after the injection,and the effects lasted for 8-26 weeks.Four patients were observed to have slight masseter weakness after the injections,which recovered within a few weeks.The benefit persisted after identical repeated injection.Conclusion CBTX-A injection is an effective and safe treatment for masticatory spasm.
5.Effects of Salinity and pH on the Growth and Active Products-secreting of Aspergillus sp. F3 from the Mangrove Rhizosphere
Zhi-Wei WANG ; Ying-Ying DOU ; Xing-Wei ZHU ; Bo-Ping YE ;
Microbiology 2008;0(12):-
An Aspergillus sp. strain F3 was isolated and identified from the rhizosphere soil of mangrove plant, Rhizophora stylosa Griff in Dongzhai harbor mangrove forest conservation in China. In this study, the effects of media salinity and pH on the mycelial biomass and the ability of producing antibacterial metabo- lites from this isolate were carefully analyzed. Results showed that this isolate can grow well on the SDA medium with higher salinity (3%~9%) and higher pH (8~10). Under the modified culturing conditions, this isolate can secret the antibacterial and antitumor metabolites. The extracts of acetic ether were about 448 mg/L of the fermentation broth. The antibacterial activities of the acetic ether extract were analyzed with bacteria and fungus. Results showed this extract can suppress the growth of Staphylococcus aureus、S. epi-dermidis、Sarcina lutea、Bacillus subtilis and Escherichia coli with MIC of 31.3 ?g/mL, 31.3 ?g/mL, 7.8 ?g/mL, 7.8 ?g/mL and 125.0 ?g/mL, respectively. It can also suppress the growth of Candida albicans with MIC of 125.0 ?g/mL. Further studies uncovered the cytotoxicity of this extract against the tumor cells, such as ECV304, Lovo and HepG2 with IC50 of 3.45 ?g/mL, 4.88 ?g/mL and 14.31 ?g/mL respectively.
6.The reverse flow island flap nourished by sural nerve nutrition blood vessel for repair of severe frostbite of feet.
Xiang-Jun CHEN ; Ji-Ping XING ; Xing-Wei YAO
Chinese Journal of Plastic Surgery 2005;21(4):269-271
OBJECTIVEThe study was to verify the feasibility of an improved method using reverse flow island flap nourished by the sural nerve nutrition vessel to repair severe frostbite of feet.
METHODSAt the proximal end of the principal flap, an auxiliary triangular skin flap of 6.5 - 7 cm in length was designed in order to cover the pedicle of the principal flap. This operation was performed on 13 patients (21 feet) with frostbite.
RESULTSAll the flaps survived well. Postoperative follow-up for 5 - 18 months demonstrated satisfactory results in all the cases. No ulcer happened.
CONCLUSIONSThe method is helpful to prevent constriction of the pedicle and ensure blood supply of the flap. It is an ideal treatment for severe frostbite of feet.
Adult ; Female ; Foot Injuries ; surgery ; Frostbite ; surgery ; Humans ; Male ; Reconstructive Surgical Procedures ; methods ; Skin Transplantation ; Surgical Flaps ; blood supply ; innervation ; Young Adult
7.Application of FLOW-PRA detection in clinical organ transplantation
Wei HUANG ; Zhishui CHEN ; Weijie ZHANG ; Dunxiu CHENG ; Xing WANG ; Dawei WANG ; Ping ZHOU
Chinese Journal of Organ Transplantation 2010;31(3):173-176
Objective To apply flow cytometry-panel reactive antibody (FLOW-PRA) and compare the application of traditional (enzyme-linked imrnunosorbent assay) ELISA-PRA in clinical organ transplantarion,so as to evaluate the concordance,sensitivity,accuracy and practicability of FLOW-PRA.Methods PRA was detected in 212 serum samples from 185 patients awaiting organ transplantation using FLOW-PRA and ELISA-PRA.Results It took 1.5 h and 3 h for FLOW-PRA vs ELISA-PRA.Concordance correlation coefficient for the results of the two methods was 94% (class Ⅰ)and 89% (class Ⅱ),respectively.Of all sera,24.5% (in comparison to ELISA-PRA,P<0.005)were class I positive,18.4% (P<0.05) class Ⅱ positive by flow cytometry,and 17.9% and 14.6% by ELISA,respectively.The positive incidence in Flow group was higher than in ELISA group.Low titer of antibodies was detected positively only by flow eytometry,furthermore,the antigen specificity of PRA could only be discriminated by FLOW-PRA.Conclusion Flow cytometry is more sensitive and more accurate than ELISA in PRA detection.FLOW-PRA is easy to operate and time-effective,and suitable for clinical application.
8.Regulation of lipid levels after ischemic stroke and an analysis of the associated factors in China
Xin Wang ; Ping Wang ; Jun Li ; Hai Feng Wang ; Wei Jie Zhang ; Cheng Ming Xing
Neurology Asia 2012;17(4):273-279
Background and Objectives: Stroke is the most common neurological disease in China and regulation
of lipid levels is important for secondary prevention. This study aimed to investigate the practice of
lipid lowering agents immediately after and one month following ischemic stroke in China, and to
determine the factors affecting the practice. Methods: A total of 857 patients with acute ischemic
stroke were enrolled from 11 hospitals in the Qingdao area, Northern China. Data pertaining to the
patients’ demographic, clinical data, and treatment before and after the stroke were recorded. Univariate
and multivariate logistic regression analyses were used to determine the factors associated with the
treatment at two time points: at the acute stage and at one month follow-up. Results: The frequency
of lipid lowering therapy was 50.3% (431/857) at acute stage and 41.5% (306/738) at one month.
Lipid lowering therapy at acute stage was independently and positively associated with a history of
hyperlipidemia((P=0.002, OR (95%CI): 3.784 (1.610-8.898)) and excess alcohol consumption (P=0.005,
OR (95%CI): 1.928 (1.214-3.062)), partial anterior circulation infarct classifi cation (P=0.000, OR
(95%CI): 1.974 (1.370-2.767)), and low-density lipoprotein levels ((P=0.000, OR (95%CI): 1.426
(1.170-1.739)). Lipid lowering therapy at one month follow-up was independently and positively
associated with lipid lowering therapy at acute stage ((P=0.000, OR (95%CI): 18.275 (11.476-
29.101)), and negatively with the Modifi ed Rankin Scale ≥4 at follow-up ((P=0.030, OR (95%CI):
0.568 (0.341-0.948)).
Conclusions: Lipid lowering therapy was found to be used in about half of patients during acute and
early secondary prevention of ischemic stroke in the Qingdao area of Northern China. There should
be more education efforts to the health care professionals and public to increase its use.
9.Cooperative therapeutic effects of herpes simplex virus thymidine kinase gene/ganciclovir system and chemotherapeutic agents on prostate cancer in vitro.
Yifei, XING ; Yajun, XIAO ; Gongcheng, LU ; Fuqing, ZENG ; Jun, ZHAO ; Ping, XIONG ; Wei, FENG
Journal of Huazhong University of Science and Technology (Medical Sciences) 2006;26(5):610-3
The killing effects of herpes simplex virus thymidine kinase gene/ganciclovir (HSV-tk/GCV) approach by the addition of several commonly clinical chemotherapeutic agents on hormone refractory prostate cancer (HRPC) cells PC-3m were investigated. After transferring of the HSV-tk gene into PC-3m cells, mRNA and protein expression of HSV-tk was detected by reverse-transcript polymerase chain reaction (RT-PCR) and strept avidin-biotin complex (SABC) immunohistochemical method. The killing effect of GCV, cisplatin (CDDP), etoposide (VP-16), vincristine (VCR), methotrexate (MTX), 5-fluorouracil (5-Fu), and suramin on PC-3m cells was evaluated by morphological assessment analysis, trypan blue exclusion assay and MTT assay respectively. Additionally, the cooperative effect of HSV-tk/GCV system combined with the above agents on the target cancer cells was determined by MTT. Furthermore, apoptosis and necrosis induced by GCV plus 5-Fu or suramin was analyzed by flow cytometry (FCM). The results showed that that there was HSV-tk mRNA and protein expression in pDR2-tk plasmid transduced PC-3m cell. Combination of GCV with VP-16, VCR, 5-Fu or suramin led to an enhanced cellular killing effect, but with CDDP resulted in a reduced one and with MTX in an approximate one. FCM revealed that synergistic use of GCV and 5-fu or suramin resulted in a rather large proportion of apoptosis and necrosis with the apoptosis index being 36.38% and 35.51%, and the proportion of necrosis being 33.05% and 28.87%, respectively. In conclusion, HSV-tk/CGV approach by addition of certain clinical available chemotherapeutic drugs brings on statistically significant enhanced cell killing over single-agent treatment. Our results highlight the potential for such new combination therapies for future treatments of HRPC.
10.Altered expression of connexin-43 and impaired capacity of gap junctional intercellular communication in prostate cancer cells.
Yifei, XING ; Yajun, XIAO ; FuQing, ZENG ; Jun, ZHAO ; Chuanguo, XIAO ; Ping, XIONG ; Wei, FENG
Journal of Huazhong University of Science and Technology (Medical Sciences) 2007;27(3):291-4
Connexin-43 (Cx43) expression in prostate cancer (PCa) cells and the potency of gap junctional intercellular communication (GJIC) in the cells were investigated, with an attempt to elucidate the reason why the so-called "bystander effect" mediated by thymidine kinase (TK) suicide gene therapy on PCa cells is not of significance and to explore the role of GJIC in PCa carcinogenesis. mRNA and protein expression of Cx43 in a PCa cell line PC-3m was detected by reverse-transcription polymerase chain reaction (RT-PCR) and strapt-avidin-biotin-enzyme complex (SABC) immunohistochemical staining, and inherent GJIC of PC-3m cells was assayed by scrape-loading and dye transfer (SLDT) assay. The expression of Cx43 in human normal and malignant prostate tissues was determined by SABC immunohistochemistry as well. It was found that Cx43 mRNA and protein expression in PC-3m cells was slightly reduced as compared with positive controls and the location of Cx43 protein was aberrant in cytoplasm rather than on membrane. Assessment of paraffin sections demonstrated that the expression of Cx43 protein in PCa cells was abnormally located and markedly diminished as compared with normal prostatic epithelial ones, displaying a negative correlation to the pathological grade (chi2=4.025, P<0.05). Additionally, capacity of inherent GJIC in PC-3m cells was disrupted, which was semi-quantified as (+) or (-). It was indicated that both down-regulated expression of Cx43 mRNA and aberrant location of Cx43 protein participated in the mechanisms leading to deficient GJIC in PC-3m cells. Lack of efficient GJIC is a molecular event, which may contribute not only to limited extent of "bystander effect", but also to initiation and progression of prostatic neoplasm.