2.Caffeic acid phenethyl ester against cellular injuries in the rotenone-induced Parkinson’s disease model
Shi QIU ; Junguo LI ; Qian QIU ; Hui CHEN ; Zimin XIANG
Chinese Journal of Tissue Engineering Research 2016;20(40):5979-5985
BACKGROUND:Caffeic acid phenethyl ester (CAPE) can inhibit lipid peroxidation after rat brain injury. However, the trend of 5-lipoxygenaseis (5-LOX) and cysteinyl leukotrienes (CysLTs) in model of Parkinson’s disease, and whether CAPE protects against rotenone-induced cel ular injuries by inhibiting the levels of 5-LOX and CysLTs stil need further research.
OBJECTIVE:To investigate the protective effect of CAPE on the rotenone-induced Parkinson-like injury, and to determine whether 5-LOX involved.
METHODS:(1) PC12 cel s in good-growth were col ected and divided into five groups cultured with different concentrations of rotenone (0, 0.01, 0.1, 1, 10μmol/L). 24 and 48 hours later, changes of cel ular morphology and activity were observed to single out the optimum concentration of rotenone;at 24 hours, the levels of 5-LOX and CysLTs were detected by western blotting and ELISA, respectively. (2) PC12 cel s were pretreated with different concentrations of CAPE (0, 0.01, 0.1, 1, 10 μmol/L) for 30 minutes, and 1 μmol/L rotenone was then added. The other cel s received no intervention as blank control group. Subsequently, the cel activity was detected, and the CysLTs production was detected by ELISA at 24 hours.
RESULTS AND CONCLUSION:(1) Rotenone (0.1-10μmol/L) could induce PC12 cel injury with overt morphological and cel activity changes at 24 hours, especial y the 1 μmol/L rotenone. (2) Rotenone also significantly increased the 5-LOX expression and CysLTs production in a concentration-dependant manner. (3) CAPE (1-10μmo/L) significantly attenuated rotenone-induced CysLTs production and cel viability reduction in a concentration-dependant manner. (4) These results suggest that CAPE protects against PC12 cel injuries in the model rat with Parkinson’s disease induced by rotenone involving 5-Lox.
3.Effect of ultra-fine powder technique on dissolution rates of andrographolide and dehydroandrographolide in Andrographis paniculata.
Rongli QIU ; Lin LI ; Xiang LI ; Haixia ZHANG ; Jianwei CHEN
Journal of Integrative Medicine 2004;2(6):456-8
To investigate the effects of ultra-fine powder technique on dissolution rates of the components in Andrographis paniculata.
4.Analysis of clinically diagnosed upper gastrointestinal GVHD and effect of small-dose corticosteroid therapy after related hematopoietic stem cell transplantation.
Li-hong WANG ; Han-yun REN ; Zhi-xiang QIU
Chinese Journal of Hematology 2011;32(2):118-119
Adolescent
;
Adult
;
Blood Donors
;
Child
;
Child, Preschool
;
Female
;
Gastrointestinal Diseases
;
drug therapy
;
etiology
;
Graft vs Host Disease
;
drug therapy
;
etiology
;
Hematopoietic Stem Cell Transplantation
;
adverse effects
;
Hormones
;
administration & dosage
;
therapeutic use
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Humans
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Male
;
Middle Aged
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Transplantation, Homologous
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Young Adult
5.Diagnosis of prostate cancer with PSA < or =4.0 microg/L.
Xin LIU ; Jie TANG ; Xiang FEI ; Qiu-Yang LI
National Journal of Andrology 2014;20(3):234-238
OBJECTIVETo evaluate digital rectal examination (DRE) , transrectal ultrasonography (TRUS) , free/total (f-PSA/ t-PSA) prostate-specific antigen (PSA), and PSA density (PSAD) in the diagnosis of prostate cancer (PCa) in patients with PSA < or = 4.0 microg/L.
METHODSBetween April 1996 and December 2012, a total of 343 subjects, aged 30 -91 years, with PSA < or =4.0 microg/L and abnormal findings on DRE or TRUS underwent prostatic biopsy. Based on the levels of PSA, the subjects were divided into four groups: 0 -1.0, 1.1 -2. 0, 2.1 -3. 0, and 3.1 -4.0 microg/L. The diagnostic values of DRE, TRUS, f-PSA/t-PSA, and PSAD were assessed in those with different PSA levels. According to the age, the subjects were again divided into five groups: C49 yr, 50 -59 yr, 60 -69 yr, 70 -79 yr, and > 80 yr. The rates of PCa detection in relation to PSA levels were estimated in different age groups.
RESULTSOf the 343 subjects, 65 (19.0% ) were diagnosed with PCa, with detection rates of 16.28% (21/129) , 17. 17% (17/99), 21.82% (12/55), and 25.00% (15/60) in those with the PSA levels of 0 -1.0, 1.1 -2.0, 2.1 -3.0, and 3.1 -4.0 microg/L, respectively. There were statistically significant differences in f-PSA/t-PSA between the PCa patients and non-PCa subjects with the PSA level > 2.0 microg/L (P <0.05) , but not with the PSA level < or =2.0 microg/L (P > 0.05) , nor did PSAD show any significant difference between the PCa and non-PCa groups ([0.09+/-0. 16] versus [0. 06 +/- 0. 07] micro/L/ml, P > 0. 05). The rate of cancer detection rose -with the elevation of the PSA level, but had no statistically significant difference among different age groups (P >0.05).
CONCLUSIONPSA 2.1 -4.0 microg/L with abnormal DRE and TRUS findings should be considered as a warning signal, which requires regular follow-up and PSA detection. With f-PSA/t-PSA <0. 15 with or without abnormal DRE and TRUS findings, routine prostate biopsy should be performed. PCa diagnosis cannot be effectively established by DRE, TRUS, f-PSA/t-PSA, and PSAD in those with PSA < or = 2.0 microg/L.
Adult ; Aged ; Aged, 80 and over ; Biopsy ; Humans ; Male ; Middle Aged ; Prostate ; pathology ; Prostate-Specific Antigen ; blood ; Prostatic Neoplasms ; diagnosis ; pathology
6.Iatrogenic bile duct injury: experience and management
Xiang LI ; Ming GU ; Honggen QIU ; Yaoming ZHU ; Baihe ZHANG ;
Chinese Journal of General Surgery 1994;0(05):-
Objective To investigate the etiology of iatrogenic bile duct injury and experience in its diagnosis and treatment. Methods A retrospective study was conducted on the clinical data of 86 patients with iatrogenic trauma in the bile duct. Results These 86 cases have received a total of 156 sessions of surgical procedures, including 2 explorations in 66 cases,3 explorations in 6 cases. Lateral bile duct injury in 22 cases was treated by suture repair and T tube stent. Eight cases suffering from iatrogenic transection of the common bile duct were retrieved by cholangiojejunostomy and T tube stent. Nine cases with inadvertent CBD ligature were managed by a lysis and T tube stent. Roux en Y cholangiojejunostomy was adopted in 77 cases. Sixty cases were followed up for 1~10 years, with good result in 90% of the cases. Conclusions Most CBD iatrogenic injury cases were encountered as a result of cholecystectomy.Roux en Y cholangiojejunostomy is the choice of therapy.
7.The effects of mild hypothermia on the expression of myeloperoxidase and cyclooxygenase 2 in rats after cerebral ischemia and reperfusion
Zhi-Chao LIU ; Cheng-Yan LI ; Qiu-Xiang CHENG ;
Chinese Journal of Physical Medicine and Rehabilitation 2003;0(12):-
Objective To investigate the effects of mild hypothermia ( MH ) on the expression of my- eloperoxidase(MPO) and cyclooxygenase 2 (COX 2) in rats after cerebral ischemia and reperfusion (CIR). Methods Forty-eight Wistar rats were randomly divided into four control groups (n=6 in each) and four MH groups (n=6 in each).CIR models were established by suture occlusion of the left middle cerebral artery.The rats in the MH groups,but not in the control groups,were treated with MH.Rats were killed at 4 h,8 h,12 h and 16 h after CIR.MPO expression was measured,along with the expression of COX 2 as measured by Western blot- ting and immunohistochemical methods.Results Compared with the control groups,MPO activity and the COX 2 expression in the cortex and striatum were significantly lower in all the MH groups at 4 h,8 h,12 h and 16 h after CIR.Conclusion MH treatment can protect neurons by decreasing MPO activity and COX 2 expression,allevia- ting inflammation and reducing secondary injuries after CIR.
8.INFORMATIONIZATION OF MICROBIAL RESOURCES
He ZHANG ; Xiang-Tao MO ; Li-Qiu XIA ;
Microbiology 1992;0(03):-
Along with the development of computer techniques and the dissemination of Internet,many investigators of microorganisms already can acquire a lot of knowledge of many fields on microbe via Internet,extremely including the whole genome of a certain microbe. This was considered unimaginable in the past.Rapid collection of information also to a great extent expands the researching ranges and researching ability of microbial researcher,and at one time,the highly developed Internet provides a unprecedented opportunity for intercommunication of information?share of resources and international cooperations of microbiology.
9.Determination of baicalin in Xiaoyanling Decoction by high-performance liquid chromatography.
Junyi JIAN ; Xiang LI ; Rongli QIU ; Haixia ZHANG ; Zhiping WU
Journal of Integrative Medicine 2005;3(1):54-6
To establish a high-performance liquid chromatography (HPLC) method for the determination of baicalin in Xiaoyanling Decoction.
10.Economics Analysis and Countermeasure of the Pharmaceutical Care Trustworthiness Imperfection
Wenhua LUO ; Jing RUAN ; Jiaxue QIU ; Xiang LI
China Pharmacy 1991;0(04):-
OBJECTIVE:To discuss the pharmaceutical care trustworthiness imperfection from the perspective of eco?nomics and to put forward some suggestions for the reduction of trustworthiness imperfection behavior in the pharmaceutical care.METHODS:The behavior of the pharmaceutical care trustworthiness imperfection was analyzed from the perspective of profits maximum,information dissymmetry,and trade cost etc.in the economics theory.RESULT&CONCLUSION:It is of positive meaning to reduce pharmaceutical care trustworthiness imperfection behavior by establishing and improving related laws and rules,popularizing the medicine knowledge,strengthening monitoring,reforming the salary mode of the pharmaceuti?cal technical personnel.