1.Protective effect of melatonin to aorta endothelium of insulin-resistant rats
Ying LIU ; Zhen XU ; Zhimin LIU
Medical Journal of Chinese People's Liberation Army 2001;0(09):-
Objective To study the effect of melatonin on ultrastructural changes of aorta endothelium of insulin-resistant (IR) rats. Methods Insulin-resistant rat model was established with SD rats (n=20) aged 6-8 weeks by high-glucose diet (70% calories from glucose) for 6 weeks. All the IR rats were divided into 2 groups: with melatonin (MEL group, n=10) and without melatonin (control group, n=10). Rats in MEL group were filled with melatonin (10mg? kg -1?d -1) for 6 weeks. The ultrastructure of aorta endothelium was observed with transmission electron microscope (TEM). Results Systolic blood pressure (SBP), serum triglyceride (TG), low-density lipoprotein (LDL-c), insulin (Ins), and malondialdehyde (MDA) declined while the Serum high-density lipoprotein(HDL-c), superoxide dismutase (SOD) and insulin sensitive index (ISI) elevated in the rats of MEL group than that in control group (P
2.Pathogenesis of giant cell arteritis.
Zhen-ying GUO ; Jun-zhu XU ; Zhen-jie LIU
Chinese Journal of Pathology 2012;41(9):641-644
Animals
;
Aortitis
;
pathology
;
Biopsy
;
Dendritic Cells
;
pathology
;
Diagnosis, Differential
;
Giant Cell Arteritis
;
drug therapy
;
etiology
;
metabolism
;
pathology
;
Glucocorticoids
;
therapeutic use
;
Humans
;
Interleukin-12
;
metabolism
;
Oxidative Stress
;
Polymyalgia Rheumatica
;
pathology
;
Temporal Arteries
;
pathology
3.Study on the curative effect ofQianzheng powder through the point directional transdermal drug delivery technique for the patients with urge incontinence after stroke
Ying LIU ; Wenjian ZHEN ; Cunzhi WANG
International Journal of Traditional Chinese Medicine 2017;39(2):114-117
Objective To study the effect ofQianzheng powder through point directional transdermal drug delivery technique for the patients with urge incontinence(UI) after stroke.Methods Seventy patients with UI after stroke were randomly divided into treatment group and control group(each group 35 patients). Qianzheng powder through point directional transdermal drug delivery was given to the treatment group, but the tolterodine through mouth was given to the control group. The urinary diary and bladder function at baseline and after 2 weeks' treatment were observed.Results After treatment, the total effect rate(88.2%vs. 63.6%,χ2=5.575) in the treatment group were better than that in the control group (P<0.01).The duration of voided (17.05 ± 6.21 times/48 hvs. 28.63 ± 9.62 times/48 h,t=5.872), the times of urinary incontinence (2.08 ± 1.24 times/48 hvs. 7.19 ± 2.46 times/48 h,t=10.784), the average voided volume (282.38 ± 14.32 mlvs. 185.82 ± 15.43 ml,t=26.561), the times of nocturia (1.38 ± 0.34 times per nightvs. 2.45 ± 1.56 times per night,t=3.906), the initial Sensory capacity of bladder (246.76 ± 21.95 mlvs. 176.43 ± 20.64 ml,t=13.502), the maximum capacity of bladder (495.80 ± 26.72 mlvs. 295.81 ± 28.46 ml,t=29.663), the residual urine volume (12.25 ± 6.83 ml vs. 33.63 ± 7.25 ml,t=12.428) in the treatment group showed significantly more improvement than those in the control group (P<0.01).Conclusions TheQianzheng powder by point directional transdermal drug delivery could reduce the symptoms of urinary incontinence, and improve the life quality of patients with UI after stroke.
4.The Study on MR Image Texture Features of Cerebral Infarction Patients
Chunhong LIU ; Zhen ZHOU ; Ying WANG
Chinese Journal of Medical Physics 2010;27(1):1607-1609
Objective:Based on Co-occurrence Matrix and Run-length Matrix,we studied cerebral infarction patients' MR image texture characters.The aim is to investigate the differences of lesion textures characters between patients' groups and normal control groups,so that we can use this tiny change to realize early diagnosis of cerebral infarction.Methods:Texture features were extracted from MR images of patients and normal control groups respectively.Fisher test was applied to choose valid textures characters and made features classifier.Results:Linear discriminant analysis can achieve 88.31% classification accuracy.This demonstrated that cerebral infarction patients and normal control groups have the differences of textures Characters in MR image.Conclusion:We can discover cerebral infarction patients' MR image texture characters change by texture analysis,so that early diagnosis of cerebral infarction would be realized.
5.Relationship between predictable ocular motor control and cognitive function in Parkinson's disease
li, YING ; zhen-guo, LIU ; wen-an, WANG
Journal of Shanghai Jiaotong University(Medical Science) 2006;0(08):-
Objective To explore the relationship between predictable ocular motor control and cognitive function in Parkinson's disease(PD). Methods Videonystagmography was used to examine 24 patients with idiopathic PD(PD group) and 24 healthy controls(control group) on predictable ocular motor control.The accuracies of saccade were compared between two groups.The correlation among accuracy for predictive saccade(latency
6.Clinical Observation on 85 Patients with Ankylosing Spondylitis at Active Stage Treated by Shudu Bushen Recipe Together with Western Medicine
Hongliang ZHEN ; Congli KANG ; Ying LIU
Journal of Traditional Chinese Medicine 1993;0(03):-
Objective To observe the clinical therapeutic effect of Shudu Bushen Recipe (Recipe to strengthen the spine and reinforce the kidney) on ankylosing spondylitis at active stage.Methods Totally 165 patients with ankylosing spondylitis at active stage were randomly divided into a treatment group (85 cases) and a control group (80 cases).Both groups were treated with Sulfasalazine and Aceclofenac,and the trentment group was given Shudu Bushen Recipe additionally.Six-month treatment was one course.The clinical changes such as morning stiffness,joint pain and function,erythrocyte sedimentation rate (ESR),C-reactive protein (CRP),immunoglobulin (Ig),X-ray of sacroiliac joint,and adverse reaction were observed.Results In the treatment group,the total effective rate was 94.12%,superior to that in the control group (76.25%),with a significant difference (P0.05).The adverse reaction occurred in the treatment group was less than that of the control group (P
7.Comparison study of whole exome sequencing and targeted panel sequencing in molecular diagnosis of inherited retinal dystrophies.
Xiao Zhen LIU ; Ying Ying LI ; Li Ping YANG
Journal of Peking University(Health Sciences) 2020;52(5):836-844
OBJECTIVE:
To evaluate and compare whole exome sequencing (WES) and targeted panel sequencing in the clinical molecular diagnosis of the Chinese families affected with inherited retinal dystrophies (IRDs).
METHODS:
The clinical information of 182 probands affected with IRDs was collected, including their family history and the ophthalmic examination results. Blood samples of all probands and their relatives were collected and genomic DNA was extracted by standard protocols. The first 91 cases were subjected to the WES and the other 91 cases were subjected to a specific hereditary eye disease enrichment panel (HEDEP) designed by us. All likely pathogenic and pathogenic variants in the candidate genes were determined by Sanger sequencing and co-segregation analyses were performed in available family members. Copy number variations (CNVs) detected by HEDEP were further validated by multiplex ligation-dependent probe amplification (MLPA). As PRGR ORF15 was difficult to capture by next generation sequencing (NGS), all the samples were subjected to Sanger sequencing for this region. All sequence changes identified by NGS were classified according to the American College of Medical Gene-tics and Genomics and the Association for Molecular Pathology (ACMG/AMP) variant interpretation guidelines. In this study, only variants identified as pathogenic or likely pathogenic were included, while those variants of uncertain significance, likely benign or benign were not included.
RESULTS:
In 91 cases with WES, pathogenic or likely pathogenic variants were determined in 30 cases, obtaining a detection rate of 33.00% (30/91); While in 91 cases with HEDEP sequencing, pathogenic or likely pathogenic variants were determined in 51 cases, achieving the diagnostic rate of 56.04% (51/91), and totally, the diagnostic rate was 44.51%. HEDEP had better sequencing coverage and read depth than WES, therefore HEDEP had higher detection rate. In addition, HEDEP could detect CNVs. In this study, we detected disease-causing variants in 29 distinct IRD-associated genes, USH2A, ABCA4 and RPGR were the three most common disease-causing genes, and the frequency of these genes in Chinese IRDs population was 11.54% (21/182), 6.59% (12/182) and 3.85% (7/182), respectively. We found 43 novel variants and 6 cases carried variants in RPGR ORF15.
CONCLUSION
NGS in conjunction with Sanger sequencing offers a reliable and effective approach for the genetic diagnosis of IRDs, and after evaluating the pros and cons of the two sequencing methods, we conclude that HEDEP should be used as a first-tier test for IRDs patients, WES can be used as a supplementary molecular diagnostic method due to its merit of detecting novel IRD-associated genes if HEDEP or other methods could not detect disease-causing va-riants in reported genes. In addition, our results enriched the mutational spectra of IRDs genes, and our methods paves the way of genetic counselling, family planning and up-coming gene-based therapies for these families.
DNA Copy Number Variations
;
Humans
;
Mutation
;
Pedigree
;
Retinal Dystrophies/genetics*
;
Whole Exome Sequencing
8.Meta-analysis of Qingkailing Injection for Cerebrovascular Diseases
Ying LIU ; Zhen-Qing LIU ; Jian-Qiu LU ;
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(11):-
Objective To evaluate the efficacy of Qingkailing injection for cerebrovascular diseases by systematic review of clinical trials. Methods Meta-analysis was used to evaluate the efficacy of Qingkailing injection on cerebrovascular diseases from 38 articles on clinical trials published from 1994 to 2008 in Chinese journals with the software RevMan5.0. Sensitivity analysis was taken to analyze the results of trails with different inclusion criteria. Results 38 clinical control trails were included for efficacy analysis, a fixed effects model was chosen and the value of odds ratio (OR) was 3.26 with the 95% confidence interval from 2.71 to 3.92. Conclusions Qingkailing injection may have positive effect on cerebrovascular diseases, its efficacy need to be confirmed with high-quality randomized controlled trials.
10.The application of a high-performance bloodstain testing reagent in forensic scene
Yuequn SHI ; Weibin LIU ; Ying QIN ; Liyan ZHANG ; Zhen LI
Chinese Journal of Forensic Medicine 2017;32(2):179-181
Objective To develop a highly sensitive luminescent reagent for bloodstain testing at forensic crime scenes.Methods Based ontheprincipleof ECL luminescence and the ping-pong conjugate activation principle of chemical electronic chain,this project developed a new type of highly sensitive luminescent reagent for bloodstain testing by usingthe uniform design of experimental methods to optimize the conditions andsynthesize several new compounds.Results The bloodstain testing luminescent reagentdeveloped in this project has high sensitivity andlongluminescence time.In the case of blood samples diluted by 1,000 times,reading the fluorescence withChemiScope 3300 chemiluminescence imaging system,the maximumvalue of gray scale reached 56,and the luminescence time lasted for 10 minutes.Conclusion The project has successfully developed a highly semitivebloodstain testing reagentthat could be applied to crime scene investigation.