1.Advances in study of endogenous protective mechanisms of cardiac ischemia/reperfusion injuries
Zeling CAO ; Tingshu YANG ; Chaoliang LONG ; Hai WANG
Chinese Pharmacological Bulletin 2003;0(08):-
Currently ischemic preconditioning is one of the most efficacious ways to treat ischemia reperfusion via triggering endogenously protective system. However, pharmacologic preconditioning has been produced due to the difficulty of performing ischemia preconditioning. Pharmacologic preconditioning, including both receptors and non-receptors, is actively investigated for the treatment of ischemia reperfusion.
2.Effects of new derivatives of 1H-isoindole-1,3(2H)-dione on angiogenesis in chick chorioallantoic membranes
Jingxia LIU ; Chaoliang LONG ; Yonglin YANG ; Hai WANG
Chinese Pharmacological Bulletin 2003;0(12):-
Aim To investigate the effects of new derivatives of 1H-isoindole-1,3(2H)-dione on angiogenesis in chick chorioallantoic membranes(CAM). Methods The blood vessels of CAM were calculated to determine the antiangiogenic effects of different new compounds. Results Among the 18 new derivatives of 1H-isoindole-1,3(2H)-dione , compound 1,2,3,4,11 and 13 showed significant inhibition on angiogenesis of CAM.Conculsion The 6 new derivatives of 1H-isoindole-1,3(2H)-dione screened out in this experiment may be novel angiogenesis inhibitors.
3.Degradation of refuse in hybrid bioreactor landfill.
Yan LONG ; Yu-Yang LONG ; Hai-Chun LIU ; Dong-Sheng SHEN
Biomedical and Environmental Sciences 2009;22(4):303-310
OBJECTIVETo explore the process of refuse decomposition in hybrid bioreactor landfill.
METHODSThe bioreactor landfill was operated in sequencing of facultative-anaerobic and aerobic conditions with leachate recirculation, pH, COD, and ammonia in the leachate and pH, biodegradable organic matter (BDM), and cation exchange capacity (CEC) in refuse were detected.
RESULTSCEC increased gradually with the degradation of refuse, which was negatively correlated with BDM. COD and ammonia in the leachate was declined to 399.2 mg L(-1) and 20.6 mg N L(-1), respectively, during the 357-day operation. The respective concentrations of ammonia and COD were below the second and the third levels of current discharge standards in China.
CONCLUSIONThe refuse is relatively stable at the end of hybrid bioreactor landfill operation. Most of the readily biodegradable organic matter is mineralized in the initial phase of refuse degradation, whereas the hard-biodegradable organic matter is mainly humidified in the maturity phase of refuse degradation.
Ammonia ; analysis ; Biodegradation, Environmental ; Bioreactors ; Cations ; Hydrogen-Ion Concentration ; Methane ; analysis ; Organic Chemicals ; analysis ; Oxygen ; analysis ; Regression Analysis ; Time Factors ; Waste Disposal, Fluid ; Water Pollutants, Chemical ; isolation & purification
4.Efficacy of compound Xiatianwu tablets in elderly patients with osteoporotic distal radius fractures.
Bin ZHANG ; Gang CHEN ; Hai-long LI ; Hai-peng REN ; Tao YANG ; Min CHEN ; Li-gang GUO
China Journal of Chinese Materia Medica 2015;40(12):2445-2448
Xiatianwu tablet is based on the theory of traditional Chinese medicine (TCM), combined with modern TCM pharmacology and selected 33 famous traditional Chinese crude drugs to compose. Its recipe helps cure rheumatism, relax tendons, promote blood circulation to relieve pain, et al. Although Xiatianwu tablets are widely applied to clinical remedy such as rheumatic arthritis, lumbar disc hernia, osteoarthritis and so on, there is no report about its application in fracture. This article is to observe the efficacy of compound Xiatianwu tablets in elderly patients with osteoporotic distal radius fractures and its impact on the wrist function and complications. 180 elderly patients with osteoporotic distal radius fractures, from January 2011 to June 2014, were divided into observation group and control group by the method of random number table, each group had 90 cases. The control group were gave Caltrate D after manipulative reduction and plaster immobilization, observation group were treated with compound Xiatianwu tablets in the basis of the control group. Efficacy, wrist function and complication rates were observed in two groups after treatment. The excellent and good rate was 95.56% in observation group better than 77.78% in control group, the difference was statistically significant (χ2 = 4.712, P < 0.05). The complication rate in observation group was significantly lower compared with the control group (P < 0.05). This study shows that compound Xiatianwu tablets can improve the efficacy in elderly patients with osteoporotic distal radius fractures, reduce the incidence of complications and relieve the pain of patients which plays a significant role in improving the quality of life.
Aged
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Aged, 80 and over
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Drugs, Chinese Herbal
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administration & dosage
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Female
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Fractures, Bone
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drug therapy
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Humans
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Male
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Middle Aged
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Osteoarthritis
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drug therapy
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Radius Fractures
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drug therapy
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Tablets
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administration & dosage
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Treatment Outcome
5.Clinical study on the association of ocular dominance with accommodation in myopia adult
Pei-ke, HU ; Zhao-chun, LI ; Ya-bo, YANG ; Hai-long, NI
Chinese Journal of Experimental Ophthalmology 2012;(11):1026-1029
Background Dominant eye is one of the functional asymmetric organ,and the dfference between dominant eye and undominant eye is a researching hotspot.But the study about accommodation in adult myopia is less.Objective This study was to determine the association between ocular dominances and accommodative factors in the subjects with adult myopia.Methods This study used prospective descriptive research method.Thirty-five subjects aged from 18 to 35 years with the myopia ranged from-2.00 D to-10.00 D and anisometropia less than 1.5 D,BCVA≥ 1.0 were recruited consecutively in this study.Ocular dominance was determined using the hole-inthe-card test and thumb test.Refractive error was measured with objective and subjective optometry,and amplitude of accommodation was measured by push-up test.Fusion cross cylinder(FCC) was used to measure the accommodative lag,and flipper test was applied to determine the accommodative facility.Oral informed consent was obtained from each subject before any relevant examination.Results No significant differences were found in the amplitude of accommodation (D),accommodative facility (cpm) and accommodative lag (D) between the dominant eye and undominant eye (accommodative amplitude:9.69 D±2.30 D vs.9.60 D±2.37 D,P =0.294 ;accommodative facility: 11.08 D±4.20 D vs.10.63 D± 4.60 D,P=0.260;accommodative lag:P=0.141).In the patients with the right eyes as dominance eyes,the accommodative amplitude of both eyes were (9.48±2.29) cpm and (9.33 ± 2.49) cpm,and accommodative facility were (10.50 ± 4.70) cpm and (9.99 ± 4.90) cpm.There were no significant differences between the right and left eyes in the accommodative amplitude,accommodative facility and accommodative lag (P =0.319,0.116,0.590).In the patients with the left eyes as dominant eyes,the accommodative amplitude of both eyes were (9.91±2.35)D and (9.88±2.26) D,and accommodative facility were (10.70±3.77)cpm and (11.25 ±4.27) cpm.No significant differences were seen between the right eyes and left eyes in the accommodative amplitude,accommodative facility and accommodative lag (P =0.749,0.295,0.238).Conclusions The amplitude of accommodation of the dominant eye is not significantly enhanced,and less accommodative lag and better accommodative facility also are found in the demonstrate eye in myopia adults with low anisometropia.
6.Correlation between Plasma Orexin A and Energy Intake in Obese Children
hua, WU ; hai-mei, YANG ; ji-tao, LIN ; xiang-rong, LI ; yu, LONG
Journal of Applied Clinical Pediatrics 2004;0(08):-
Objective To explore the change of plasma orexin A concentration and the correlation between plasma orexin A concentration and energy intake in obese children.Methods Fasting plasma orexin A concentrations,boaly mass index(BMI) and energy intake were measured in 48 obese children(obese group) and 48 healthy children(healthy control group),and these indexes were compared,the correlation between plasma orexin A concentration and BMI,energy intake were analyzed.Results 1.The plasma orexin A concentration in obese group was significantly lower than that in healthy control group(F=5.632 P=0.008).2.In obsess group,there were negative correlation between plasma orexin A concentration and BMI(r=-0.478 P=0.012),positive correlation between plasma orexin A concentration and total energy intake(r=0.503 P=0.007),fat intake(r=0.659 P=0.006) and protein intake(r=0.381 P=0.026),and there was negative correlation between plasma orexin A concentration and carbohydrate(r=-0.316 P=0.022).3.In healthy control group,there were negative correlation between plasma orexin A concentration and BMI(r=-0.491 P=0.018),positive correlation between plasma orexin A concentration and total energy intake(r=0.512 P=0.009),fat intake(r=0.406 P=0.005),protein intake(r=0.313 P=0.020),and carbohydrate(r=0.432 P=0.025).Conclusions Orexin A may be involved in regulation of energy metabolism in obese children,and the interaction between plasma orexin A and energy intake might be different in different nutritional status in children.
7.Review of relationship between Toxoplasma gondii infection and neuropsychiatric diseases
YANG Yi-we ; DU Shu-tong ; YAN Han ; ZHANG Li ; LI Hai-long ; LV Yan
China Tropical Medicine 2022;22(12):1206-
Abstract: Toxoplasma gondii, an opportunistic pathogenic protozoan, is widely distributed worldwide and can cause
zoonoses, which is a serious threat to human health. Nowadays, the relationship between T. gondii infection and
neuropsychiatric diseases has attracted researchers' attention increasingly. T. gondii infection is related to the pathogenesis of
many neuropsychiatric diseases by affecting the nervous system, such as schizophrenia, depression, Alzheimer's disease, and so
on. This review will focus on the relationship between T. gondii infection and neuropsychiatric diseases and summarizes the
possible mechanisms of disorders resulting from T. gondii infection. It is expected that the study on the related pathogenic
mechanism of T. gondii will lead to new therapeutic directions and feasible solution for the clinical treatment of
neuropsychiatric diseases caused by T. gondii infection.
8.Study on skin toxicology and penetration enhancement of skin absorption of volatile oil extracted from tender branchers of Camellia oleifera.
Zheng-hai LONG ; Zai-chang YANG ; Xiong-zhi YANG
China Journal of Chinese Materia Medica 2007;32(17):1780-1783
OBJECTIVETo study the toxicity on skin and penetration effect of volatile oil from tender branchers of Camellia oleifera on nitrendipine, baicalin, nimesulide for percutaneous obsorption.
METHODAcute skin toxicity, irritation and allergy on rats were tested, and mouse skin in vitro was applied for studying the effects of different concentrations of volatile oil in nitrendipine, baicalin, nimesulide on drug permeation.
RESULTDifferent dosage volatile oil had no acute toxicity, irritation or hypersensitive effects. Compared to azone, more powerful enhancement effects of volatile oil at different concentration on nitrendipine, baicalin, nimesulide were very obvious.
CONCLUSIONThis paper firstly reported the results of experiment about the toxicity to skin and penetr-ation effect of volatile oil from tender branches of C. oleifera.
Administration, Cutaneous ; Animals ; Camellia ; chemistry ; Female ; Flavonoids ; administration & dosage ; pharmacokinetics ; In Vitro Techniques ; Male ; Mice ; Nitrendipine ; administration & dosage ; pharmacokinetics ; Oils, Volatile ; isolation & purification ; pharmacology ; toxicity ; Permeability ; drug effects ; Plant Oils ; isolation & purification ; pharmacology ; toxicity ; Plant Stems ; chemistry ; Plants, Medicinal ; chemistry ; Rats ; Rats, Sprague-Dawley ; Skin ; drug effects ; metabolism ; Skin Absorption ; drug effects ; Sulfonamides ; administration & dosage ; pharmacokinetics
9.Preparation and Pegylation of TNF-? Derivative
Yan-Wei BI ; Na LUO ; Hai-Ting LONG ; Zeng-Fu YANG ; Xu YANG ; Jian-Feng LI ; Wei-Ming XU ;
China Biotechnology 2006;0(12):-
The gene of mutated TNF-?D4 gene was amplified by overlap PCR and cloned into the prokaryotic expressive vector pBV220.TNF-?D4 contains two changes:substitutions of Pro8Arg,Ser9Lys,Asp10Arg,Ile157Phe,Leu29Ser,Arg31Val and a deletion of the N terminal four amino acids.The recombinant vector pBV220-TNF-?D4 was transformated into E.coli strain DH5?,and the high expression strain was obtained by screening monoclones.The level of expression was about 45% of total cell protein.After purification,the purity of fusion protein was above 90% by HPLC and relative ability was 8 ?107.TNF-?D4 was modificated by mPEG-ButyrALD。After purification,the purity of mPEG-TNF-?D4 was above 85% and relative ability was 8.6?107.The in vivo systemic toxicity of mPEG-TNF-?D4,which is indicated by LD50,is lower than that of rhTNF-?.These results strongly supported for the further study and exploitation of TNF-antitumor drug.
10.Therapeutic intervention against deacclimatization to high altitude.
Yin-Hu WANG ; Qi-Quan ZHOU ; Sheng-Hong YANG ; Yan WANG ; Bin LI ; Chao-Liang LONG ; Hai WANG
Chinese Journal of Applied Physiology 2013;29(6):512-517
The incidence of deacclimatization to high altitude syndrome (DAHAS) prevailed up to 80% in highland troops, and 100% in manual workers, and severe DAHAS could significantly affects patients' health, work and life. So it is imperative to develop effective prevention and treatment measures for DAHAS. The present review analyzes effective prophylactic and therapeutic measures against DAHAS, implemented at our hospital.
Acclimatization
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Altitude
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Altitude Sickness
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prevention & control
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therapy
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Humans