1.Ligamentum flavum hematoma in the lumbar spine mimicking epidural tumor: A case report
Cheng-Ta Hsieh ; Chih-Ju Chang ; Kun-Chuan Chang
Neurology Asia 2015;20(3):309-311
Nerve root compression due to ligamentum flavum hematoma is extremely rare, with less than 70
cases reported in the literature. The clinical presentation and images were similar to those of spinal
epidural tumors. Herein, we reported a previously healthy 64-year-old female who presented with
right radicular leg pain. Neurological examination was consistent with right L5 root compression.
The magnetic resonance imaging revealed a mass posterior to the L5 thecal sac, appearing as high
intensity on T1-weighted and T2-weighted images. During operation, the dark hematoma within the
ligamentum flavum was found. The pathological examination confirmed the diagnosis of hemorrhage.
Her prognosis following surgery was excellent.
Sciatica
2.A collaborative care model of anticoagulation therapy in patients with stroke
Tzung-Yi Lee MS ; Helen L Po ; Ya-Ju Lin ; Wen-Ju Tsun ; Shen-Chuan Wang
Neurology Asia 2011;16(2):111-118
Background and Objectives: Anticoagulation clinics are widely used for anticoagulation management
in many countries, but have only recently began to gain acceptance in Taiwan. Our service model is
a physician-managed outpatient clinic collaborating with clinical pharmacist and nurse. This study
aimed to evaluate the adequacy of anticoagulation and rates of warfarin-related complications before
and after referral to our collaborative anticoagulation clinic (CAC). Methods: Stroke patients taking
warfarin from the neurology department were identifi ed and referred to the CAC during the 12-month
period from February 2009 to January 2010. Quality markers include percentage of international
normalized ratio (INR) values in the therapeutic range, frequency of INR monitoring, and frequency
of follow-up visits and the mean interval of next INR monitoring after non-therapeutic INRs were
compared one year before and after management in the CAC. Using studied patients as self-control,
they were included in the analysis if patients had at least 3 months follow-up or 3 INR values both
before and after referral. Results: A total of 44 stroke patients were included: mean age of 75.0 ± 9.7
years, with a CHADS2
score of 3.71 ± 0.69. The adequacy of anticoagulation was signifi cantly greater
during CAC care compared with the period before referral; the percentage of INR within expanded
therapeutic range was 60.9% versus 53.7%, respectively (p=0.049). Reduction in sub-therapeutic INR
values from 31.8% to 24.2% (p=0.023) contributed mostly to the improved quality of care. The time
interval of next INR monitoring after non-therapeutic INRs ( 4.0 or 1.5) was also signifi cantly
shorter. However, there was no signifi cant difference in the rates of thromboembolic and hemorrhagic
events which may be attributed to a small sample size.
Conclusion: Based on results of our study, a CAC may be the optimal structure for anticoagulation
management service in the future.
3.Echocardiography diagnose one case of infantile tricuspid myxoma.
Chuan-ju HOU ; Yu-hua CAO ; Dong-an DENG ; Xian-yang ZHU
Chinese Journal of Pediatrics 2004;42(7):553-553
Echocardiography
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methods
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Female
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Heart Neoplasms
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diagnosis
;
surgery
;
Humans
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Infant
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Myxoma
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diagnosis
;
surgery
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Treatment Outcome
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Tricuspid Valve
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physiopathology
;
surgery
4.Unusual Disc Dislodgement of a Björk-Shiley Valve after Long-term Implantation.
Pao Yen LIN ; Wei Chuan TSAI ; Ju Yi CHEN
Korean Circulation Journal 2017;47(6):981-981
No abstract available.
Anticoagulants
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Echocardiography, Transesophageal
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Embolism
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Endocarditis
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Endocarditis, Bacterial
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Heart Valve Prosthesis
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Heart Ventricles
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Hemodynamics
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Male
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Mitral Valve
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Mitral Valve Insufficiency
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Outpatients
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Pneumonia
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Systolic Murmurs
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Warfarin
;
Humans
5.An invitro biomechanical study of treatment for lumbar spondylolithesis using nail-grooved tail steel plate and intervertebral implant (Wendeng Fusion Cage, WDFC).
Yuan-chao TAN ; Chuan-guang JU ; Xiu-chen SUN ; Zeng-mei WANG
China Journal of Orthopaedics and Traumatology 2008;21(8):566-569
OBJECTIVETo evaluate the biomechanics of treatment for lumbar spondlolisthesis using nail-grooved tail steel plate and WDFC (Wendeng Fusion Cage) implant.
METHODSThere were nine permanent waist-sacrum wet bone (L3-S3) in 1 to 2 clay-cold hours including 6 men and 3 women. They were seldom separated into 3 groups, which were fixed by nail-grooved fail plus WDFC. The model was separate into two kinds for single and across. With electrometry, deal experiment date with Graftool software. Each piece should be tested twice respectively.
RESULTSThe single and across segment non-destructive compression experiment. No-mid-compression from 0 to 750 N,the related coefficient and curves had no obvious change on inclined rate. In the single segment curvedly serial experiment, the stress at all point measured by two sides steel plate-was mostly linear growth. In the across segment curvedly serial experiment, the inclined rate become big and appear anisomerous.
CONCLUSIONIt's proved by biomechanics that the steel plates with single furrow and cylinder wing plus WDFC has a good stability to cure lumbar vertebra slips.
Adult ; Biomechanical Phenomena ; Bone Nails ; Bone Plates ; Female ; Humans ; Lumbar Vertebrae ; surgery ; Male ; Spinal Fusion ; instrumentation ; Spondylolisthesis ; physiopathology ; surgery
6.Cloning,expression and bioinformatics analysis of cathepsin B of Echino-coccusgranulosus
Ting ZHANG ; Lifang JIA ; Ying CHEN ; Chuan JU ; Xiaojin MO ; Bin XU ; Shenbo CHEN ; Junhu CHEN ; Wei HU
Chinese Journal of Schistosomiasis Control 2014;(6):642-647
Objective To clone and express cathepsin B gene of Echinococcus granulosus(EgCatB)and analyze EgCatB protein by using bioinformatics tools and online databases. Methods The total RNA of E. granulosus was extracted and reverse?ly transcribed into cDNA as the template sequence for PCR. The EgCatB gene was cloned by using the In?Fusion PCR cloning method and expressed by a wheat germ cell?free system,and then the recombinant protein was identified by Western blotting. The signal peptide,transmembrane helices and subcellular location of the EgCatB sequence were predicted by the online soft?ware SignalP 4.1,TMHMM sever v. 2.0 and TargetP 1.1 respectively. Subsequently,the homologue sequence and conserved sites were aligned by using BLASTP and GeneDoc software. Finally,the structures and the glycosylation modification site of the EgCatB encoding protein were analyzed and predicted in turn by ProtParam,SMART,Predictprotein,Swiss?model,NetOGlyc 4.0 and NetNGlyc 1.0 approaches. Results The EgCatB gene was successfully amplified from cDNA of E. granulosus and ex?pressed in the soluble fractions. The molecular weight of the expressed protein was estimated 35 kDa. The bioinformatics analysis revealed that EgCatB was a classical secreted protein containing a Pept_C1 domain. The homology analysis indicated that the amino acid sequence of EgCatB was highly conserved in the active enzyme sites. The protein structure prediction showed a cata?lytic active center was formed through Gln106,Cys112,His282 and Asn302. It was found that there were nine O?glycosylation sites in the EgCatB sequence,but no N?glycosylation sites. Conclusions The EgCatB gene is cloned and expressed successfully,and the recombinant protein is analyzed by bioinformatics approaches and structure predication. The study provides useful informa? tion for further functional study of the EgCatB protein.
7.The role of ADAMTSs in arthritis.
Protein & Cell 2010;1(1):33-47
The ADAMTS (a disintegrin and metalloproteinase with thrombospondin motifs) family consists of 19 proteases. These enzymes are known to play important roles in development, angiogenesis and coagulation; dysregulation and mutation of these enzymes have been implicated in many disease processes, such as inflammation, cancer, arthritis and atherosclerosis. This review briefly summarizes the structural organization and functional roles of ADAMTSs in normal and pathological conditions, focusing on members that are known to be involved in the degradation of extracellular matrix and loss of cartilage in arthritis, including the aggrecanases (ADAMTS-4 and ADAMTS-5), ADAMTS-7 and ADAMTS-12, the latter two are associated with cartilage oligomeric matrix protein (COMP), a component of the cartilage extracellular matrix (ECM). We will discuss the expression pattern and the regulation of these metalloproteinases at multiple levels, including their interaction with substrates, induction by pro-inflammatory cytokines, protein processing, inhibition (e.g., TIMP-3, alpha-2-macroglobulin, GEP), and activation (e.g., syndecan-4, PACE-4).
ADAM Proteins
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antagonists & inhibitors
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chemistry
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genetics
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physiology
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Aggrecans
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metabolism
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Alternative Splicing
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Arthritis
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enzymology
;
genetics
;
Cartilage
;
enzymology
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Endopeptidases
;
genetics
;
physiology
;
Extracellular Matrix
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enzymology
;
Humans
;
Protein Structure, Tertiary
8.Linkage analysis of one Chinese family with autosomal dominant congenital cataract
Hong, JU ; Ning-dong, LI ; Kan-xing, ZHAO ; Li-ming, WANG ; Yu-chuan, WANG ; Ming, YING ; Xiang, GAO
Chinese Journal of Experimental Ophthalmology 2011;29(5):427-431
Background About one third of congenital cataract is associated with inheriting factor.The inherited heterogeneity has been found in congenital cataract.To seek the pathogenic gene is essential for the gene therapy. Objective Present study was to map and identify the causal gene for autosomal dominant congenital cataract (ADCC) in a Chinese family. Methods The clinical features of all affected members in this family were examined.Blood samples were collected from eleven family members for genetic linkage analysis.Polymorphic microsatellite markers were selected from the regions which harbor all known loci linked with ADCC.Universal fluorescent-labeled M13 primer was used in linkage analysis.Direct genomic sequencing was used to evaluate the candidate gene for example CRYBB2 gene.This study followed Helsinki Declaration and was proved by Tianjin City Ethic Committee.Written informed consent was obtained from each SUbject before any medical procees. Results The maximum two-point LOD score of 1.20 was obtained for marker D22S315 (θ=0).The LOD score of 0.6 was obtained for marker D16S3068.No mutation in all exons of CRYBB2 gene was found in the family. Conclusion CRYBB2 gene associated with ADCC was excluded from the family.A genome-wide linkage screening should be conducted.Genotyping with microsatellite markers using Universal fluorescent-labeled M13 primer can decrease the cost and obtain the same result.
9.Effects of Glycosaminoglycan From Scallop Skirt on The Expression of Vascular Endothelial Growth Factor During The U937 Foam Cell Formation
Fu-Sheng SUN ; Sai LIU ; Chuan-Xia JU ; Nan YU
Progress in Modern Biomedicine 2007;7(6):846-848
Objective: To study the effects of glycosaminoglycan from scallop skirt (SS-GAG) on the expression of vascular endothelial growth factor (VEGF) and the mechanism of anti-atherosclerosis action of SS-GAG. Methods: U937 cells were incubated with 80mg/L oxidized low density lipoprotein (ox-LDL) for 48h to establish a macrophage-derived foam cell model. In addition, U937 cells were divided into 6 groups: ①control group; ②ox-LDL group; ③ox-LDL+200mg/L SS-GAG group; ④ox-LDL+400 mg/L SS-GAG group; ⑤ox-LDL+800 mg/L SS-GAG group; ⑥ox-LDL +Heparin 100 mg/L group.After 48h's incubation, the concentration of VEGF in the medium was determined by ELISA. Results: The expression of VEGF in U937 foam cells was obviously higher than that of the control group. After treatment with heparin (100 mg/L) and SS-GAG of different concentrations (200mg/L, 400 mg/L, 800 mg/L), the expression of VEGF decreased obviously, especially in the ox-LDL+800 mg/L SS-GAG group (P<0.01). Conclusion: The antiatherogenic effect of SS-GAG is probably due to its ability to inhibit VEGF expression.
10.Data mining of simple sequence repeats in transcriptome sequences of Tibetan medicinal plant Zangyinchen Swertia mussotii.
Yue LIU ; Yue CHUN-JIANG ; Yi WANG ; Jia-qiang MA ; Hong-bo SUN ; Min LUO ; Peng-ju MA ; Lin-xia ZHANG ; Xu MA ; Chuan-chuan CHEN ; Hua LI ; Li TANG
China Journal of Chinese Materia Medica 2015;40(11):2068-2076
MISA (MicroSAtelite) software was employed to screen SSRs in 68 787 contigs of Swertia mussotii transcriptome sequences. 5 610 SSRs were distributed in 5 099 contigs which accounted for 7.41% of 68 787 contigs. There are 220 kinds of SSR motifs existing in S. mussotii transcriptome. On average, SSRs occurred every 12.60 kb in length. In the SSRs, the tri-nucleotide repeat motif was the most abundant (45.99%), followed by the di-nucleotide (41.62%). AT/TA and AAT/TTA were the main types of motif in di-, tri-nucleotide repeats. The repeat numbers of SSRs which from S. mussotii transcriptome SSRs were mainly from 5 to 10 and motif length of them mostly ranged from 12 bp to 30 bp. A total of 30 651 contigs were annotated, and only 1 447 SSRs were occurred in protein-coding regions. In the six repeat motifs, tri-nucleotide repeats were the most abundant in coding regions (928). There are abundant SSRs in S. mussotii transcriptome with high frequency and various types, indicating their usefulness in theory. This research may lay the foundation for designing the targeted SSR primers and developing SSR molecular markers by mining the information of SSRs loci in S. mussotii transcriptome sequences data.
Data Mining
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Medicine, Tibetan Traditional
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Microsatellite Repeats
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Plants, Medicinal
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genetics
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Swertia
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genetics
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Transcriptome