1.Experimental study of hypoxia-inducible trophoblastic autophagy involved in the pathogenesis of preeclampsia
Chongqing Medicine 2014;(5):569-571
Objective To study hypoxia environment trophoblast cell autophagy and autophagy of the preeclampsia placental tis-sue .Methods Trophoblastic cell line HTR-8/SVneo were divided into three groups :low oxygen concentration group (group Ⅰand group Ⅱ) and normal oxygen concentration group ;48 h after the application the confocal laser scanning microscopy was used for detection of cytoplasmic autophagosome ,PCR technology analysis of autophagy-related gene expression change of LC3-Ⅱ .LC3-Ⅱ expression levels of 30 cases of preeclampsia placenta were detected by Immunohistochemistry .Results In low oxygen concen-tration group ,there were visible red autophagosome chromatin structure in cytoplasm ,which was extremely rare in the normal oxy-gen concentration group ,in low oxygen concentration group cell LC3-Ⅱ mRNA expression was significantly higher than that of normal concentration group .The preeclampsia placenta of patients with positive immunostaining of LC 3-Ⅱ was 67 .12% ,compared with 9 .14% in the normal control ,there was a significant difference between two groups .Conclusion Preeclampsia placenta auto-phagy activity increased ,hypoxia can induce autophagy trophoblast cell line phenomenon .
2.Effect of Danshen injection combined with ulinastatin on the brain protection and inflammatory reaction in patients with severe traumatic brain injury
Chinese Journal of Biochemical Pharmaceutics 2017;37(4):115-118
Objective To observe the effect of Danshen injection combined with ulinastatin on the brain protection and inflammatory reaction in patients with Severe traumatic brain injury.Methods 83 cases of patient with Severe traumatic brain injury were randomly divided into the observation group(43 cases)and the control group(40 cases).The control group was given ulinastatin based on conventional treatment,and the observation group was given Danshen injection and ulinastatin based on the control group.For 10 days,the differences of hemodynamic parameters(Qmean、Zc、DR)and serum nerve function indexes(β-EP、DynAl-13、NSE),inflammatory factors(IL-1,IL-6,TNF-α,CRP)between the two groups were be compared.Results ①Comparison of hemodynamic parameters There was significantly difference of Qmean、Zc、DR in these two groups(Fgroup=6.126,5.024,5.621,P<0.05),Qmean was showed a rising trend over time and Zc、DR were showed a declining trend over time(Ftime=10.146,9.247,9.381,P<0.05),the changed amplitude in observation group was higher than the control group(Finteraction=5.357,4.257,4.813,P<0.05); Comparison of nerve function indexes There was significantly difference of β-EP、DynAl-13、NSE in these two groups(Fgroup=5.827,6.294,6.731,P<0.05),they was all showed a reducing trend over time(Ftime=12.613,11.746,9.842,P<0.05),the declined amplitude in observation group was higher than the control group(Finteraction=6.353,7.251,4.284,P<0.05);Comparison of inflammatory factors There was significantly difference of IL-1,IL-6,TNF-α,CRP in these two groups(Fgroup=4.284,5.162,6.174,4.291,P<0.05),they was all showed a rising then reducing trend over time(Ftime=9.163,10.357,13.457,12.434,P<0.05),the changed amplitude in observation group was higher than the control group(Finteraction=4.255,5.242,8.530,7.847,P<0.05).Conclusion Danshen injection combined with ulinastatin has more obviously function of protecting the cerebralfunction and suppressing inflammation in the treatment of Severe traumatic brain injury compared with ulinastatin alone.
3.Progress in the researches on gene polymorphisms of metabolic syndrome
Journal of Medical Postgraduates 2003;0(05):-
The metabolic syndrome,as a group of concurrent cardiovascular risk factors,is attributed to both genetic and environmental causes and correlated with many gene polymorphisms and their mutations,such as adiponectin gene,peroxisome proliferator activated receptor gamma gene,lamin protein A/C gene,uncoupling protein 2 gene,?-adrenic receptor gene and some other inflammation marker genes.This paper reviews the advances in the studies of the gene polymorphisms associated with the metabolic syndrome.
4.Effect of Reinforcing Kidney and Activating Blood Therapy on Apoptosis of Rat Models with Endometriosis
Journal of Traditional Chinese Medicine 1993;0(02):-
Objective To study the mechanism of reinforcing kidney and activating blood therapy for the apoptosis of endometriosis.Methods Female SD rats aged 8~12weeks were grouped as model group,western medicine group,Chinese medicine group and integrated Chinese and western medicine group,with 15 in each group.The light microscope,electron microscope,TUNEL method,and immunohistochemical method were adopted to observe the pathomorphology,positive rate of apoptotic cells and the positive expression of apoptosis-regulating gene bcl-2 and bax.Results The apoptosis of endometriosis tissues in the integrated Chinese and western medicine group was the most obvious result with the highest apoptosis index,and the positive expression of apoptosis regulating gene bcl-2 was downward regulated and that of apoptosis regulating gene bax upward regulated,so bcl-2/bax decreased.Then it was Chinese medicine group,western medicine group,and model group.Conclusion The occurrence of endometriosis is related with the lowering of ability of apoptotic cells.Chinese medicines with the functions to reinforce kidney and activate blood can promote the ability of apoptotic cells in endometriosis to quicken the atrophy and regression of endometriosis tissues.
5.Association of G protein ?_3 subunit gene polymorphism with hypertension and antihypertensive effects
Dongbao LI ; Qi HUA ;
Journal of Medical Postgraduates 2003;0(09):-
G protein takes part in several cell signal transmition and produces a lot of biological effects. G protein ? 3 subunit gene polymorphism is related to hypertension and its complication and individual difference of blood pressure decreasing possibly.
6.Progress in the role of hydrogen sulfide in inflammation
International Journal of Pediatrics 2010;37(2):212-214
Hydrogen sulfide (H2S) was considered as the third gasotransmitter,along with nitric oxide and carbon monoxide,with extensively biological activities.Considerable evidence showed that H2S was involved in inflammatory processes such as in inflammatory cells,inflammatory mediates,vascular tension and signaling pathways.Previous studies suggested H2S played a bidirectional role in regulating inflammation including pro- and anti-inflammatory actions due to different animal models.Further study about the role and mechanism of H2S in inflammation will contribute to efficient prevention and treatment for inflammatory diseases.
7.Nutrition status of acute stroke patients with hypothyroidism
Chinese Journal of Clinical Nutrition 2009;17(2):98-100
Objective To evaluate the nutrition status and the prognosis of acute stroke patients with hy-pothyroidism during hospitalization. Methods The clinical data of 28 acute stroke patients with hypothyroidism (study group) and 28 stroke patients with normal thyroid function (control group) were retrospectively analyzed.Results After (10±4) days of hospitalization, hemoglobin and serum albumin levels in study group significantlydecreased ( P < 0. 05 ). The requirement of calories and protein, incidence of pulmonary infections, alimentarytract hemorrhage and diarrhea, and hospital stays were significantly higher in study group than in control group (P < 0. 05 ). Conclusion The nutrition status is poor in acute stroke patients with hypothyroidism, who were more easier to be suffered from clinical complications and worse prognosis.
8.Relationship between red cell distribution width and short-term outcomes in acute coronary syndrome patients
Chinese Journal of Geriatric Heart Brain and Vessel Diseases 2014;(8):815-818
Objective To study the relationship between red cell distribution width (RDW ) and short-term outcomes in acute coronary syndrome (ACS) patients .Methods A totoal of 1654 ACS patients were divided into RDW ≤12 .1% group(n=419) ,RDW=12 .2% -12 .8% group(n=364) ,RDW=12 .9% -13 .2% group (n= 463) and RDW ≥13 .3% group (n= 408) .Their bio-chemical indicators and incidence of 1-month cardiac death ,heart failure ,recurrent myocardiac in-farction were compared .Relationship between RDW and 1-month adverse cardiac events was as-sessed .Results The incidence of cardiac death ,heart failure ,recurrent myocardiac infarction in-creased with the increasing RDW .Logistic regression analysis showed that RDW ,BNP>100 ng/L and LVEF< 40% were the independent risk factors for 1-month cardiac death in ACS patients (OR=2 .116 ,95% C I:1 .427-3 .137 ,P=0 .000;OR=3 .510 ,95% C I:1 .221 -10 .093 ,P=0 .020 ;OR= 4 .149 ,95% CI:2 .001 -8 .602 ,P= 0 .000 ) ,and that RDW ,age> 65 years ,diabetes and LVEF<40% were the independent risk factors for 1-month heart failure and recurrent myocardi-ac infarction in ACS patients (OR= 2 .134 ,95% CI:1 .602 -2 .844 ,P= 0 .000 ,OR= 2 .010 , 95% C I:1 .135 -3 .560 ,P=0 .017 ;OR=2 .279 ,95% C I:1 .345 -3 .862 ,P= 0 .002 ;OR=5 .009 , 95% CI:2.694-9 .316 ,P=0 .000) .Conclusion RDW is an independent risk factor for the short-term outcomes in ACS patients .
9.Therapeutic effect of urapidil and nitroglycerin in elderly female non-valvular heart failure patients
Chinese Journal of Geriatric Heart Brain and Vessel Diseases 2014;(10):1032-1034
Objective To assess whether urapidil (anα1 receptor blocker)is more effective than ni-troglycerin in treatment of non-valvular heart failure accompanying hypertension and diabetes mellitus (DM ) in elderly female patients .Methods Fourty-six elderly female patients with non-valvular heart failure accompanying hypertension and DM were randomly divided into urapidil treatment group (n= 24) and nitroglycerin treatment group (n= 22) .Patients in urapidil treat-ment group were treated with urapidil (50 -300 μg/min) and those in nitroglycerin treatment group were treated with nitroglycerin (5 -20 μg/min) for 48 -140 h according to their blood pressure (BP) and cardiac function .Their BP ,HR ,and metabolic activity were observed before and on days 1 ,2 ,3 and 7 after treatment .Results The effect of urapidil was significantly lower than that of nitroglycerin on SBP on day 7 after treatment (P<0 .05) .The serum NT-proBNP level was significantly lower in nitroglycerin treatment group than in control group (P<0 .01) . Conclusion The effect of urapidil is better than that of nitroglycerin on reducing and stabilizing SBP ,attenuating cardiac afterload ,and improving cardiac function in elderly female patients .Ura-pidil can thus be used as one of the first choiced drugs in treatment of elderly female patients with non-valvular heart failure accompanying hypertension and DM .
10.Reasonable choice of indication of direct stenting of coronary artery
Journal of Medical Postgraduates 2003;0(03):-
With improvement in stent designs, the practice of direct stenting (DS) without balloon predilation has become more widespread. DS may allow partial retention of endothelium within treated arteries, and associate with decreased utilization of contrast agent, number of catheter, exposure of X-ray,and expense. This paper evaluate the experiment base, principle, indication, contraindication, skills, complications as well as the result of acute and chronic follow up of DS.