1.The vasodilative and antioxidative effects of Carvedilol——a new generation of β-receptor blockers
Journal of Medical Postgraduates 2001;14(3):265-267
Carvedilol is a novel β-receptor blocker with vasodilative and potent antioxidative effects. It may inhibit the activation of transduction factors induced by oxygen radicals, block the gene expression in cardiac remodeling, and decrease cardiomyocyte apoptosis. It is reported that carvedilol may reduce the in vivo oxidation of low density lipoprotein (LDL) and auto-antibody titre of antioxidant and increase the antioxidative capacity of LDL. Carvedilol and its metabolite BM-910228 may inhibit the inotropic response induced by oxygen radicals. Carvedilol may provide cardiac protection in acute myocardial ischemia and improve cardiac function, reduce the mortality rate of heart failure.
2.A qualitative study on the perception of health status in people with prehypertension
Chinese Journal of Practical Nursing 2017;33(7):500-503
Objective To understand the perception of health status in people with prehypertension. Methods Using the phenomenological method, 15 people with prehypertension were interviewed; the interview results were analyzed deeply. Results Five themes were extracted about health status:obscured perception about prehypertension and hypertension;absence of noticeable symptoms;necessity to change life-style, but lack of effective health self-management; many factors hindering effective health self-management; desire for professional help. Conclusions Perception of health status in people with prehypertension indicated deficiencies in health self-management. What they need were accessible professional support and intervention program that pay attention to people′s health belief and behavioral motivation.
3.Fecal Microbiota Transplantation and Inflammatory Bowel Disease
Chinese Journal of Gastroenterology 2016;21(8):491-493
Inflammatory bowel disease( IBD),comprising Crohn’s disease( CD)and ulcerative colitis( UC),is a chronic intestinal inflammatory disease and its etiology has not yet been clarified. Studies showed that intestinal microbiota disorder is closely associated with the development and progression of IBD. Currently,fecal microbiota transplantation (FMT)is considered as a special organ transplantation and used in treatment of IBD,Clostridium difficile infection, irritable bowel syndrome,metabolic syndrome,etc. This article reviewed the relationship between FMT and IBD.
4.Research advances in pharmacogenomics of warfarin
Chinese Journal of Clinical Pharmacology and Therapeutics 2004;0(12):-
Warfarin is widely used as one of the coumarins anticoagulation drugs in the clinical.Every physician has been disturbed by its narrow therapic index and bleeding complications.It is a difficult thing for the doctor to use it rationally.However,recently,with the rapid development of molecule biology,some research find that gene polymorphism of pharmacodynamics and pharmacokinetics cause the individual variability in drug response.In this review,we focus on the latest development in pharmacogenomics of warfarin at home and abroad in order to give some suggestions for the individual use of warfarin.
5.Verification of linear range of WBC measured by CD3700 hematocyte counter
Zhizhao YANG ; Lishao MIAO ; Fuda HUANG
International Journal of Laboratory Medicine 2009;30(4):326-327
Objective To verify the linear range of WBC measured by CD3700 hematocyte counter. Methods The high-valued specimen was prepared with the enriched white coat,and diluted as a series of concentrations of specimens with the physiological saline. Every specimen was measured for twice,and the sequence of specimens was random. And the Grubbsper test, polynomial regression anal-ysis,and random error estimation were performed. Results There is no outlier in the test results. Re-gression analysis showed it displayed linear in the range of 0 to 219 × 109/L,and the random error was within the allowable limit of our laboratory. Conclusion The linear range of WBC measured by CD3700 hematoeyte counter is coincident to what the manufacturer claims.
6.Applying angiosomes concept in the endovascular procedures for critical limb ischemia
Tong ZHANG ; Baixi ZHUANG ; Miao YANG
Chinese Journal of General Surgery 2012;(11):871-875
Objective To evaluate medium-term results in critical limb ischemia (CLI) patients undergoing endovascularly revascularization based on concepts of angiosomes.Methods Clinical data were reviewed on 612 CLI patients who had isolated below-the-knee (BTK)lesions and were treated by endovascular technology from June 2006 to May 2012.Following the angiosome model of perfusion,286 patients (357 limbs)were treated by directly revascularizing the feeding artery.326 patients (455 limbs)were treated by revascularizing non-feeding artery to improve perfusion to ulcer indirectly.Primary endpoints included ulce-healing rate as of 3 months,amputation-free survival( AFS),freedom from major amputation (FFMA) and recurrence rate of CLI.Results During follow-up(mean,24 ± 18 months),ulce-healing rate during 3 months of direct treatment group was obviously higher than that of indirect group (82.4% vs.66.4%,X2 =26.16,P <0.05).The fourth year AFS was 48% ±5% vs.37% ±6%,t =3.44,P <0.05,and the fourth year FFMA was 73% ±4% vs.58% ±3%,t =4.61,P <0.05.In recurrence rate of CLI,there wasn't significant difference between direct group and indirect group(42% ±5% vs.45% ±6%,t =- 0.64,P > 0.05 ).Conclusions Following the angiosome model of perfusion,direct revascularizing the feeding artery of CLI patients can obviously improve ulcer-healing rate during 3 months,medium-term AFS and FFMA.
7.Therapeutic Observation of Acupuncture plus Auricular Points for Hemifacial Spasm
Yang CAO ; Miao ZHANG ; Wenjun WANG
Shanghai Journal of Acupuncture and Moxibustion 2015;(9):839-840
Objective To observe the clinical efficacy of acupuncture plus auricular point sticking in treating hemifacial spasm. Methods Fifty-six patients with hemifacial spasm were randomized into a treatment group and a control group, 28 in each group. The treatment group was intervened by acupuncture plus auricular point sticking, while the control group was by ordinary acupuncture, and the clinical efficacies were compared. Results The total effective rate was 89.3%in the treatment group versus 67.7% in the control group, and the difference was statistically significant (P<0.05). Conclusions Acupuncture plus auricular point sticking is an effective method in treating hemifacial spasm.
8.Research progress on the function of kinesin-2 family proteins in model organisms
Shanshan MIAO ; Kuang YANG ; Chengtian ZHAO
Acta Laboratorium Animalis Scientia Sinica 2015;23(5):517-522
Kinesin-2 family proteins, including KIF3A, KIF3B, KIF3C and KIF17, are members of the kinesin superfamily motor proteins , which transport various proteins and vesicles in the cell and play diverse biological functions . Recently, studies on members of kinesin-2 family proteins suggest that they play fundamental roles during ciliary transport , whose defects can lead to abnormal cilia development , the major cause of human ciliopathies .In this review , we will sum-marize the functions of this motor protein family during ciliogenesis and focus mainly on their roles in the development of model organisms .
9.Correlation of high density lipoprotein cholesterol with resistance of epidermal growth factor receptor-tyrosine kinase inhibitor in advanced non-small-cell lung cancer
Yang LYU ; Liyun MIAO ; Xuansheng DING
Cancer Research and Clinic 2015;27(10):649-654
Objective To explore the relevance of high density lipoprotein cholesterol (HDL-C) level and resistance of epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI) in advanced non-small cell lung cancer (NSCLC).Methods In a total of 87 NSCLC patients harboring EGFR mutation treated with EGFR-TKI, the correlations of pre-treatment levels of soluble HDL-C between efficacy and resistance of EGFR-TKI were analyzed by Kaplan-Meier method and Cox proportional hazard model.Results Patients with normal HDL-C (≥0.94 mmol/L) had a better disease control rate (DCR) than those with low HDL-C (<0.94 mmol/L) [94.5 % (52/55) vs 65.7 % (21/32), P < 0.001].The results of univariate analysis showed that patients with normal HDL-C had longer progress free survival (PFS) (HR =0.27, 95 % CI 0.164-0.444, P < 0.001).The results of multivariate Cox proportional hazard model analysis with sex, pathologic histology, smoking history and mutation type showed that only HDL-C group had a significant difference (P < 0.001).The same results were showed when stratified by sex and smoking history (female: P < 0.001, male: P =0.002;Smoker: P < 0.001, non-smoker: P =0.014).Conclusion Normal pre-treatment serum levels of HDL-C are associated with a better outcome and longer progression-free survival in NSCLC patients treated with EGFR-TKI, which may be a predictive marker for a better response.
10.Significance of the expression of cyclooxygenase-2 in breast cancers
Miao XU ; Yang WANG ; Xiu-Xin YAN ;
Cancer Research and Clinic 1999;0(05):-
Objective To investigate the expression of cyclooxygenase-2(COX-2)in breast cancers, and understand its clinical significance.Methods The immunohistochemistry was used to determine the ex- pression of COX-2 in the 40 tissues of breast cancer and 18 adjacent noncancerous mammary tissues.Results The positive expression of COX-2 was detected in 52.5% of breast cancer tissues and in 11.1% of adjacent noncancerous mammary tissues.There was a significant difference in the expression of COX-2 between breast cancer tissues and adjacent noncancerous mammary tissues(P0.05).Conclusion COX-2 was over expressed in breast cancer and correlated with metastatic lymph nodes and HER-2/neu.The expression of COX-2 may play an important role in carcinogen- esis,progression and prognosis of breast cancer.