1. Preparation and verification of honokiol-hydroxypropyl-β-cyclodextrin inclusion complex
Chinese Pharmaceutical Journal 2013;48(16):1385-1388
OBJECTIVE: To prepare and verify honokiol-hydroxypropyl-β-cyclodextrin inclusion complex (HK-HPCD). METHODS: HK-HPCD was prepared by the stirring method. The main factors affecting the inclusion rate were studied by single factor analysis and the optimum procedure for preparation was selected by central composite design. The inclusion complex was verified by differential scanning calorimetry (DSC) and infrared spectra. RESULTS: The optimum preparation process parameters were as follows: the molar ratio of honokiol to HP-β-CD was 1:5, the reaction temperature was 50°C and the reaction time was 3 h. CONCLUSION: Stable complex can be formed between honokiol and HP-B-CD, and the solubility of honokiol is increased by HP-B-CD significantly.
2.Preliminary Approach to the Service of Intravenous Drugs Allocation Centre
Wanhua YANG ; Weimin CAI ; Bing XU ; Jing GUO ; Jie FANG
China Pharmacy 2001;0(09):-
OBJECTIVE:To promote effective development of services in the intravenous drugs allocation centre and to bring the pharmacists'function into full play in the hospital pharmacy.METHODS:Information concerning services in the intravenous drugs allocation centre of our hospital and experiences from which was introduced,some problems and difficulties in the pharmacy services were analyzed.RESULTS&CONCLUSION:The centralized allocation and management of intra-venous drugs have ensured the safety and effectiveness of the clinical intravenous drug use and which have become the essential part of the pharmaceutical care with a core of rational drug use.
3.Effects of p27mt gene transfection mediated by replication deficient adenovirus on the proliferation and apoptosis of human hepatocellular carcinoma cells
Bing XU ; Xianxiang CHEN ; Feng YU ; Qinghe CAI ; Du ZHANG
Cancer Research and Clinic 2006;0(08):-
Objective To assess the effects of p27mt gene transfection on the proliferation and apoptosis of human hepatocellular carcinoma cell (HCC) lines SMMC-7721. Methods A replication deficient adenovirus vector encoding p27mt (Ad-p27mt) was used and p27mt cDNA was transfected into human SMMC-7721 cell lines in vitro. The synthesis of DNA in SMMC-7721 cells was determined by using 3H-thymidine incorporation; the cell apoptosis was determined by flow cytometry, TUNEL method and DNA fragmentation analysis. Results The virus titer was 7.95?1012 cfu/ml, the transduction efficiency was 100 % when multiplicity of infection ≥50, FCM analysis revealed a sub-G1 cell peak in Ad-p27mt transduced hepatocellular carcinoma cell lines. Agarose electrophoresis showed marked ladder .The difference of apoptotic index between the Ad-p27mt group and the control group was statistically significant (58.6?4.3, vs 4.5?1.6, P
4.Effect of oleuropein on IL-1β-induced rat chondrocytes
Bing DAI ; Li XU ; Haidong JIN ; Ningyu CAI ; Hui CHEN ; Bin LI ; Jianwu CAI ; Jun PAN
Chinese Journal of Pathophysiology 2015;(9):1667-1672
AIM:To investigate the effect of oleuropein on interleukin-1β( IL-1β)-induced SD rat articular chondrocytes .METHODS:The SD rat articular chondrocytes were isolated by 2 step enzyme digestions .The chondrocytes were cultured in vitro.Inverted microscopic observation was performed during the culture .Alcian blue staining and type II collagen immunohistochemical staining were used to identify the chondrocytes .The effects of oleuropein on the viability of chondrocytes were determined by CCK-8 assay.The cells in 3rd passage were pretreated with oleuropein at 10, 50 or 100 μmol/L and subsequently stimulated with IL-1βat 10 μg/L for 24 h.Production of prostaglandin E 2 ( PGE2 ) and ni-tric oxide (NO) were evaluated by the Griess reaction and an enzyme linked immunosorbent assay (ELISA).The mRNA expression of matrix metalloproteinase ( MMP)-1 and MMP-13 was measured by real-time PCR.The protein levels of in-ducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2) and nuclear factor-kappa B (NF-κB) were detected by Western blotting .RESULTS:The cell viability of chondrocytes was not significantly impaired by treating with oleuropein at concentration of 10, 50 or 100μmol/L for 24 h compared with control group .Pretreatment with oleuropein significantly in-hibited the production of PGE 2 and NO induced by IL-1β.Oleuropein also significantly decreased the IL-1β-stimulated MMP-1 and MMP-13 mRNA expression in articular chondrocytes .Pretreatment with oleuropein inhibited the IL-1β-media-ted activation of NF-κB by suppressing the degradation of its inhibitory protein IκBαin the cytoplasm .CONCLUSION:Oleuropein inhibits IL-1β-induced inflammatory gene expression by suppressing NF-κB activation at the transcriptional le-vel, suggesting a new mechanism for the anti-inflammatory effects of oleuropein as a novel agent on treating with osteoarthri-tis.
5.The Basic and Applied Study on the Epidermal Growth Factor
Bing-Ren HUANG ; Liang-Wan CAI ; Xu-Zhuan XIANG ; Xiang-Xu-zhuan
Acta Academiae Medicinae Sinicae 2001;23(2):176-180
This article reviews the resultsof the basic research about epidermal growth factor and its receptor,and the development of the novel drug, EGF eyedrop, that containing chemically synthesised EGF gene,the construction of EGF expression vector, the transformation of the host cells , the purification of the recombinant protein EGF, the preparation of three batches of the EGF product and identification, the preclinical and clinical trials. Relevant studies show that recombinant EGF consisting of 51 amino acids can be secreted into the medium under the control of the α factor leading sequence in the yeast cells.The EGF can accelerate the growth of corneal-limbal epithelial cells and the healing of an alkali burned corneal. The EGF can be used in curing oral cavity ulcer and skin burned wound. And it has the preventive effects on experimental duodenal ulcer of rat. The antiserum was made for test of the con- centration of blood EGF and urine EGF by RIA. Data from studies demonstrate the inhibition effect of EGF on the growth of tumor cells, such as A431 and BT325 cells in the presence of high EGF concentration (>10 ng/ml). The expression of EGFR and DNA ploidy in renal carcinoma has clinical significance. Crystallization and preliminary x-ray diffraction studies of the EGF has been made. The MW of the EGF product is 6000, and the pI is about 4. 6 and it has correct N-terminal amino acids sequences , immunogenicity and biological activity. There is no vestige of the DNA of the yeast cells. Animal experiments reveal that there is no cumulation of the EGF in the body, and EGF can promote corneal epithelial healing. There is no toxicological effect during cornea wound healing of rabbit. A randomized, double-blind, placebo-controlled, multi-center clinical trial was conducted in four hospitals to assess safety,ocular tolerance and efficacy of an ophthalmic solution of EGF for 200 cases of cornea transplantation and 247 cases of nebulae. Unequivocal results were obtained as the eyedrop really accelerate the wounded cornea healing. So, the EGF eyedrop as a novel drug of class I is approved by the National Drug Administration, and this is the first gene engineering drug that come from yeast expression system in China.
6.Attention deficit hyperactivity disorder treated with scalp acupuncture and EEG biofeedback therapy in children: a randomized controlled trial.
Cai-Di HE ; Bo-Xu LANG ; Ling-Qing JIN ; Bing LI
Chinese Acupuncture & Moxibustion 2014;34(12):1179-1183
OBJECTIVETo compare the difference in clinical efficacy on children attention deficit hyperactivity disorder (ADHD) between the combined therapy of scalp acupuncture and EGG biofeedback and the simple EEG biofeedback therapy so as to search the better therapeutic method for ADHD.
METHODSOne hundred patients were randomized into an observation group and a control group, 50 cases in each one. In the control group, the simple EEG biofeedback therapy was adopted. In the observation group, on the basis of biofeedback therapy, scalp acupuncture was added and applied to Dingzhongxian (MS 5), Dingpangyixian (MS 8), Baihui (GV 20), Sishencong (EX-HN 1), etc. The ten treatments made one session. After four sessions of treatment, FIQ value in Wechsler intelligence scale, CIH score in Conners children behavior questionnaire, the ratio of 0 wave and p wave in EEG, FRCQ and FAQ in the integrated visual and auditory continuous performance test (IVA-CPT) and clinical comprehensive efficacy were observed before and after treatment in the two groups separately.
RESULTSThree cases were dropped out in the observation group and 2 cases were out in the control group. In the two groups, FIQ, FRCQ and FAQ were all increased after treatment (P < 0.01, P < 0.05); the increases in the observation group were much more significant than those in the control group after treatment (all P < 0.05). In the two groups, CIH score and the ratio of 0 wave and p wave were all reduced after treatment (P < 0.01, P < 0.05); the reduction in the observation group were much more apparent as compared with those in the control group (both P< 0.05). The total effective rate was 91.5% (43/47) in the observation group and better than 83. 3% (40/48, P < 0.01) in the control group.
CONCLUSIONThe combined therapy of scalp acupuncture and EEG biofeedback achieves the superior efficacy on children ADHD as compared with the simple biofeedback therapy. This combined therapy rapidly relieves the essential symptoms of ADHD and improves EEG waveform in children patients. Importantly, this therapy obtains and consolidates the significant efficacy.
Acupuncture Therapy ; Adolescent ; Attention Deficit Disorder with Hyperactivity ; psychology ; therapy ; Biofeedback, Psychology ; Child ; Combined Modality Therapy ; Electroencephalography ; Female ; Humans ; Male ; Scalp
7.Comprehensive treatment for mid-inferior facial rejuvenation
Zhongsheng SUN ; Guangping CHEN ; Haibin WANG ; Xiang XU ; Bing CAI ; Shengkang LUO
Chinese Journal of Medical Aesthetics and Cosmetology 2013;19(6):423-425
Objective To summarize the experience of the integrated treatment on mid-face ageing for better cosmetic results.Methods A total of 56 cases were treated.With using subciliary approaches,the orbicularis oculi was resected to expose the orbital septum,the orbital fat relieved and orbital septum reseted.Hyaluronic acid was injected to some patients with obvious nasolabial fold after operation.Results 56 cases were all followed up from 6 to 26 months (11.8 months on average) postoperatively.The flabby tissue had been tightened and all got better effects.Conclusions Various combination of technologies can be applied to reach the purpose of rejuvenation by correcting the volume abnormality,resetting the tissue,elevating reasonably,and filling the facial depression.
8.Cerebral perfusion semi-quantitative imaging for assessing the treatment of delayed encephalopathy from carbon monoxide poisoning
Bing XIONG ; You ZHOU ; Yali CAI ; Hongbiao LIU ; Zhongquan TANG ; Da SUN ; Xing XU ; Wenming LIU
Chinese Journal of Physical Medicine and Rehabilitation 2009;31(11):756-759
Objective To evaluate the effects of hyperbaric oxygen (HBO) combined with drug therapy on patients with delayed encephalopathy caused by carbon monoxide poisoning ( COP). Methods Twenty to forty sessions of HBO therapy were used to treat 34 COP patients. Assessment relied on 99mTc-ethyl cysteinate dimer (~(99m)Tc-ECD) single photon emission computed tomography (SPECT) imaging of cerebral perfusion before and after treatment. Results After HBO therapy, cerebral perfusion in the COP patients improved significantly. There was a significant difference of the SPECT images before and after treatment. Conclusions SPECT imaging of cerebral perfusion can play an important role in the diagnosis of delayed encephalopathy caused by carbon monoxide poisoning, and it can be used for the therapeutic surveillance of HBO treatment.
9.Hypoxia effects on the chondrogenic differentiation of three-dimensional co-cultured adipose-derived stem cells and articular chondrocytes
Bing DAI ; Haiting XU ; Haidong JIN ; Hui CHEN ; Jianwu CAI ; Shiyang FAN ; Jun PAN
Chinese Journal of Tissue Engineering Research 2014;(29):4630-4635
BACKGROUND:Many in vivo and in vitro experiments indicate that hypoxic co-cultures promote stem cells differentiate into chondrocytes.
OBJECTIVE:To evaluate the influence of hypoxia on the chondrogenic differentiation of three-dimensional co-cultured adipose-derived stem cells and articular chondrocytes.
METHODS:Adipose-derived stem cells and articular chondrocytes were mixed at the ratio of 3:1, then the mixed cells were seeded onto poly(lactic-co-glycolic acid)-gelatin scaffold at the ultimate concentration of 5.0×1010/L. The cells were cultured in normoxia (20%O 2 ) and hypoxic (5%O 2 ) conditions for 6 weeks. After culture, hematoxylin and eosin staining was performed for histological structure analysis, and alcian blue staining was used to evaluate glycosaminoglycan synthesis. Type II col agen expression was detected by immunohistochemistry staining. The content of DNA, glycosaminoglycan and hydroxyproline in the scaffold-cellcomplex was measured.
RESULTS AND CONCLUSION:In the hypoxia group, hematoxylin-eosin staining showed the formation of massive cells and extracellular matrix;alcian blue staining showed massive glycosaminoglycan formation;immunohistochemistry staining detected strongly positive expression of col agen type II, the content of DNA, glycosaminoglycan and hydroxyproline was higher than the normoxia group. Hypoxia promotes in vitro chondrogenic differentiation of co-cultured adipose-derived stem cells and articular chondrocytes. .
10.Efficacy of conjunctival autograft transplant and limbal - conjunctival autograft transplant for primary pterygium
Yan, CAI ; Lei-Bing, JI ; Peng, LI ; Xu-Dong, ZHAO ; Wei, WANG ; Xiao-Wei, GAO
International Eye Science 2016;16(7):1372-1374
AIM: To compare the safety and efficacy of conjunctival autograft transplant ( CAT ) and limbal - conjunctival autograft transplant (LCAT) for primary pterygium.
METHODS: In this prospective, randomized and controlled clinical study, 120 patients ( 120 eyes ) diagnosed with primary pterygium were collected in NO. 474 Hospital of Chinese PLA from January 2014 to January 2015. The 120 patients enrolled in the study in turn, and divided into two group by the odd and even number. The odd number underwent CAT and the even number underwent LCAT.
RESULTS:One hundred and seven patients (107 eyes) completed the follow-up of 1a, including 54 patients (54 eyes) from the CAT group and 53 patients (53 eyes) from the LCAT group. Four patients (4 eyes, recurrence rate 7. 4%) in the CAT group and 2 patients ( 2 eyes, recurrence rate 3. 8%) in the LCAT group developed recurrence. However, there were no significant in recurrence rate between CAT group and LCAT group (P =0. 678).
CONCLUSION: CAT and LCAT might be both effective treatment for primary pterygium for reducing the recurrence rate of pterygium. However, LCAT is the optimal surgical method for primary pterygium.