101
|
Wang J, Qiao Y, Spivey CA, Liu X, Phatak H, Mardekian J, Claflin AB, Kachroo S, Abdulsatter Y, Parker RB. Health Care Utilization and Costs After Warfarin Discontinuation Among Patients with Non-Valvular Atrial Fibrillation. VALUE IN HEALTH : THE JOURNAL OF THE INTERNATIONAL SOCIETY FOR PHARMACOECONOMICS AND OUTCOMES RESEARCH 2014; 17:A756. [PMID: 27202755 DOI: 10.1016/j.jval.2014.08.230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
|
102
|
Wang J, Qiao Y, Spivey CA, Liu X, Phatak H, Mardekian J, Claflin AB, Kachroo S, Abdulsatter Y, Parker RB. Discontinuation/Interruption of Warfarin Therapy in Patients with Non-Valvular Atrial Fibrillation. VALUE IN HEALTH : THE JOURNAL OF THE INTERNATIONAL SOCIETY FOR PHARMACOECONOMICS AND OUTCOMES RESEARCH 2014; 17:A763. [PMID: 27202796 DOI: 10.1016/j.jval.2014.08.272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
|
103
|
Cai XZ, Huang WY, Qiao Y, Chen Y, Du SY, Chen D, Yu S, Liu N, Dou LY, Jiang Y. Downregulation of TIM-3 mRNA expression in peripheral blood mononuclear cells from patients with systemic lupus erythematosus. ACTA ACUST UNITED AC 2014; 48:77-82. [PMID: 25493386 PMCID: PMC4288496 DOI: 10.1590/1414-431x20143701] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2013] [Accepted: 08/28/2014] [Indexed: 01/03/2023]
Abstract
The T-cell immunoglobulin and mucin domain (TIM) family is associated with autoimmune
diseases, but its expression level in the immune cells of systemic lupus
erythematosus (SLE) patients is not known. The aim of this study was to investigate
whether the expression of TIM-3 mRNA is associated with pathogenesis of SLE.
Quantitative real-time reverse transcription-polymerase chain reaction analysis
(qRT-PCR) was used to determine TIM-1, TIM-3, and TIM-4 mRNA expression in peripheral
blood mononuclear cells (PBMCs) from 132 patients with SLE and 62 healthy controls.
The PBMC surface protein expression of TIMs in PBMCs from 20 SLE patients and 15
healthy controls was assayed by flow cytometry. Only TIM-3 mRNA expression decreased
significantly in SLE patients compared with healthy controls (P<0.001). No
significant differences in TIM family protein expression were observed in leukocytes
from SLE patients and healthy controls (P>0.05). SLE patients with lupus nephritis
(LN) had a significantly lower expression of TIM-3 mRNA than those without LN
(P=0.001). There was no significant difference in the expression of TIM-3 mRNA within
different classes of LN (P>0.05). Correlation of TIM-3 mRNA expression with serum
IgA was highly significant (r=0.425, P=0.004), but was weakly correlated with total
serum protein (rs=0.283, P=0.049) and serum albumin (rs=0.297,
P=0.047). TIM-3 mRNA expression was weakly correlated with the Systemic Lupus
Erythematosus Disease Activity Index (SLEDAI; rs=-0.272, P=0.032). Our
results suggest that below-normal expression of TIM-3 mRNA in PBMC may be involved in
the pathogenesis of SLE.
Collapse
|
104
|
Xie Z, Xia S, Qiao Y, Shi Y, Le G. Effect of GABA on oxidative stress in the skeletal muscles and plasma free amino acids in mice fed high-fat diet. J Anim Physiol Anim Nutr (Berl) 2014; 99:492-500. [DOI: 10.1111/jpn.12254] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Accepted: 08/18/2014] [Indexed: 12/15/2022]
|
105
|
Hsieh E, Wang Q, Zhang R, Li J, Zhou CW, Qiao Y, Fraenkel L, Bradley E, Smith J, Zhang P. Risk and prevalence of vertebral fractures among breast cancer survivors
in China. Ann Glob Health 2014. [DOI: 10.1016/j.aogh.2014.08.118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
|
106
|
Qiao Y, Haertel J, Voon YT, Ortiz R, Agar D. Power-to-Gas: Chemische Speicherung regenerativer Energie durch eine Sabatier-Reaktion. CHEM-ING-TECH 2014. [DOI: 10.1002/cite.201450221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
107
|
Zhu J, Zhao C, Kharman-Biz A, Zhuang T, Jonsson P, Liang N, Williams C, Lin CY, Qiao Y, Zendehdel K, Strömblad S, Treuter E, Dahlman-Wright K. The atypical ubiquitin ligase RNF31 stabilizes estrogen receptor α and modulates estrogen-stimulated breast cancer cell proliferation. Oncogene 2014; 33:4340-51. [PMID: 24441041 PMCID: PMC4141304 DOI: 10.1038/onc.2013.573] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Revised: 11/29/2013] [Accepted: 12/10/2013] [Indexed: 12/28/2022]
Abstract
Estrogen receptor α (ERα) is initially expressed in the majority of breast cancers and promotes estrogen-dependent cancer progression by regulating the transcription of genes linked to cell proliferation. ERα status is of clinical importance, as ERα-positive breast cancers can be successfully treated by adjuvant therapy with antiestrogens or aromatase inhibitors. Complications arise from the frequent development of drug resistance that might be caused by multiple alterations, including components of ERα signaling, during tumor progression and metastasis. Therefore, insights into the molecular mechanisms that control ERα expression and stability are of utmost importance to improve breast cancer diagnostics and therapeutics. Here we report that the atypical E3 ubiquitin ligase RNF31 stabilizes ERα and facilitates ERα-stimulated proliferation in breast cancer cell lines. We show that depletion of RNF31 decreases the number of cells in the S phase and reduces the levels of ERα and its downstream target genes, including cyclin D1 and c-myc. Analysis of data from clinical samples confirms correlation between RNF31 expression and the expression of ERα target genes. Immunoprecipitation indicates that RNF31 associates with ERα and increases its stability and mono-ubiquitination, dependent on the ubiquitin ligase activity of RNF31. Our data suggest that association of RNF31 and ERα occurs mainly in the cytosol, consistent with the lack of RNF31 recruitment to ERα-occupied promoters. In conclusion, our study establishes a non-genomic mechanism by which RNF31 via stabilizing ERα levels controls the transcription of estrogen-dependent genes linked to breast cancer cell proliferation.
Collapse
|
108
|
Zhu X, Wei X, Chen J, Li C, Li M, Qiao Y, Ran B. Posterior hemivertebra resection and monosegmental fusion in the treatment of congenital scoliosis. Ann R Coll Surg Engl 2014; 96:41-4. [PMID: 24417829 PMCID: PMC5137654 DOI: 10.1308/003588414x13824511650173] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/16/2013] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION Posterior hemivertebra resection combined with multisegmental or bisegmental fusion has been applied successfully for congenital scoliosis. However, there are several immature bones and their growth can be influenced by long segmental fusion in congenital patients. Posterior hemivertebra resection and monosegmental fusion was therefore suggested for treatment of congenital scoliosis caused by hemivertebra. METHODS Between June 2001 and June 2010, 60 congenital scoliosis patients (aged 2-18 years) who underwent posterior hemivertebra resection and monosegmental fusion were enrolled in our study. A standing anteroposterior x-ray of the whole spine was obtained preoperatively, postoperatively and at the last follow-up appointment to analyse the Cobb angle in the coronal and sagittal planes as well as the trunk shift. RESULTS The mean preoperative coronal plane Cobb angle was 41.6°. This was corrected to 5.1° postoperatively and 5.3° at the last follow-up visit (correction 87.3%). The compensatory cranial curve was improved from 18.1° preoperatively to 7.1° postoperatively and 6.5° at the last follow-up visit while the compensatory caudal curve was improved from 21.5° to 6.1° after surgery and 5.6° at the last follow-up visit. The mean sagittal plane Cobb angle was 23.3° before surgery, 7.3° after surgery and 6.8° at the last follow-up visit (correction 70.1%). The trunk shift of 18.5mm was improved to 15.2mm. CONCLUSIONS Posterior hemivertebra resection and monosegmental fusion seems to be an effective approach for treatment of congenital scoliosis caused by hemivertebra, allowing for excellent correction in both the frontal and sagittal planes.
Collapse
|
109
|
Wintermark M, Druzgal J, Huss DS, Khaled MA, Monteith S, Raghavan P, Huerta T, Schweickert LC, Burkholder B, Loomba JJ, Zadicario E, Qiao Y, Shah B, Snell J, Eames M, Frysinger R, Kassell N, Elias WJ. Imaging findings in MR imaging-guided focused ultrasound treatment for patients with essential tremor. AJNR Am J Neuroradiol 2013; 35:891-6. [PMID: 24371027 DOI: 10.3174/ajnr.a3808] [Citation(s) in RCA: 111] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE MR imaging-guided focused sonography surgery is a new stereotactic technique that uses high-intensity focused sonography to heat and ablate tissue. The goal of this study was to describe MR imaging findings pre- and post-ventralis intermedius nucleus lesioning by MR imaging-guided focused sonography as a treatment for essential tremor and to determine whether there was an association between these imaging features and the clinical response to MR imaging-guided focused sonography. MATERIALS AND METHODS Fifteen patients with medication-refractory essential tremor prospectively gave consent; were enrolled in a single-site, FDA-approved pilot clinical trial; and were treated with transcranial MR imaging-guided focused sonography. MR imaging studies were obtained on a 3T scanner before the procedure and 24 hours, 1 week, 1 month, and 3 months following the procedure. RESULTS On T2-weighted imaging, 3 time-dependent concentric zones were seen at the site of the focal spot. The inner 2 zones showed reduced ADC values at 24 hours in all patients except one. Diffusion had pseudonormalized by 1 month in all patients, when the cavity collapsed. Very mild postcontrast enhancement was seen at 24 hours and again at 1 month after MR imaging-guided focused sonography. The total lesion size and clinical response evolved inversely compared with each other (coefficient of correlation = 0.29, P value = .02). CONCLUSIONS MR imaging-guided focused sonography can accurately ablate a precisely delineated target, with typical imaging findings seen in the days, weeks, and months following the treatment. Tremor control was optimal early when the lesion size and perilesional edema were maximal and was less later when the perilesional edema had resolved.
Collapse
|
110
|
Jiang X, Ding M, Qiao Y, Liu Y, Liu L. Recombinant human endostatin combined with radiotherapy in the treatment of brain metastases of non-small cell lung cancer. Clin Transl Oncol 2013; 16:630-6. [PMID: 24193868 DOI: 10.1007/s12094-013-1129-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Accepted: 10/22/2013] [Indexed: 11/27/2022]
Abstract
OBJECTIVE Since brain metastases (BM) is often accompanied by edema, and endostatin (ES) can prevent tumor tissue edema, we investigated the therapeutic effects of ES combined with radiotherapy in the treatment of BM of NSCLC. We also determined the patients who are suitable for this therapy. METHODS Eighty patients with BM of NSCLC were randomly divided into combination group and radiotherapy alone group. The primary endpoint was overall response rate, and secondary endpoints were overall survival time, cerebral edema index and adverse reactions. These were observed and the expressions of vascular endothelial growth factor receptor 2 (VEGFR2) protein and KDR gene in primary lesions were detected with immunohistochemical method and fluorescence in situ hybridization. RESULTS Compared with radiotherapy alone, brain edema was significantly reduced in the ES group (P = 0.003) without marked adverse reactions. For the overall response rate, there was no statistical significant difference between the two groups (control, 90 % vs. ES, 75 %, P = 0.07), but there was statistical significance in the patients with positive VEGFR2 (93 vs. 67.7 %, P = 0.012) or positive KDR gene (94.4 vs. 47.3 %, P = 0.002). In overall survival time, there was no statistical significance in the two groups (P = 0.35), in the tumors with positive VEGFR2 (P = 0.109) or with positive KDR gene (P = 0.147). CONCLUSION Compared with radiotherapy alone, ES combined with radiotherapy can reduce brain edema in NSCLC patients with BM and obtain better short-term response rate in tumors with positive VEGFR2 or positive KDR gene, but does not improve the overall survival.
Collapse
|
111
|
Punyamurtula VK, Qiao Y. Hysteresis of sorption isotherm of multiwall carbon nanotube in paraxylene. ACTA ACUST UNITED AC 2013. [DOI: 10.1179/143307507x196211] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
|
112
|
Cai XZ, Huang WY, Qiao Y, Du SY, Chen Y, Chen D, Yu S, Che RC, Liu N, Jiang Y. Inhibitory effects of curcumin on gastric cancer cells: a proteomic study of molecular targets. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2013; 20:495-505. [PMID: 23351961 DOI: 10.1016/j.phymed.2012.12.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Revised: 11/14/2012] [Accepted: 12/24/2012] [Indexed: 06/01/2023]
Abstract
Curcumin, a natural anticancer agent, has been shown to inhibit cell growth in a number of tumor cell lines and animal models. We examined the inhibition of curcumin on cell viability and its induction of apoptosis using different gastric cancer cell lines (BGC-823, MKN-45 and SCG-7901). 3-(4,5-dimethyl-thiazol-2-yl)-2-5-diphenyltetrazolium-bromide (MTT) assay showed that curcumin inhibited cell growth in a dose- (1, 5, 10 and 30 μM) and time- (24, 48, 72 and 96 h) dependent manner; analysis of Annexin V binding showed that curcumin induced apoptosis at the dose of 10 and 30 μM when the cells were treated for 24 and 48 h. As cancers are caused by dysregulation of various proteins, we investigated target proteins associated with curcumin by two-dimensional gel electrophoresis (2-DE) and MALDI-TOF-TOF mass spectrometer. BGC-823 cells were treated with 30 μM curcumin for 24 h and total protein was extracted for the 2-DE. In the first dimension of the 2-DE, protein samples (800 μg) were applied to immobilized pH gradient (IPG) strips (24 cm, pH 3-10, NL) and the isoelectric focusing (IEF) was performed using a step-wise voltage ramp; the second dimension was performed using 12.5% SDS-PAGE gel at 1 W constant power per gel. In total, 75 proteins showed significant changes over 1.5-fold in curcumin-treated cells compared to control cells (Student's t-test, p<0.05). Among them, 33 proteins were upregulated and 42 proteins downregulated by curcumin as determined by spot densitometry. 52 proteins with significant mascot scores were identified and implicated in cancer development and progression. Their biological function included cell proliferation, cycle and apoptosis (20%), metabolism (16%), nucleic acid processing (15%), cytoskeleton organization and movement (11%), signal transduction (11%), protein folding, proteolysis and translation (20%), and immune response (2%). Furthermore, protein-protein interacting analysis demonstrated the interaction networks affected by curcumin in gastric cancer cells. These data provide some clues for explaining the anticancer mechanisms of curcumin and explore more potent molecular targets of the drug expected to be helpful for the development of new drugs.
Collapse
|
113
|
Xiang Y, Ma N, Wang D, Zhang Y, Zhou J, Wu G, Zhao R, Huang H, Wang X, Qiao Y, Li F, Han D, Wang L, Zhang G, Gao X. MiR-152 and miR-185 co-contribute to ovarian cancer cells cisplatin sensitivity by targeting DNMT1 directly: a novel epigenetic therapy independent of decitabine. Oncogene 2013; 33:378-86. [DOI: 10.1038/onc.2012.575] [Citation(s) in RCA: 160] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Revised: 10/09/2012] [Accepted: 10/23/2012] [Indexed: 12/15/2022]
|
114
|
Zhang J, Lu J, Zhang Q, Dai L, Liu Y, Tu P, Qiao Y. Simultaneous Screening and Identifying Four Categories of Particular Flavonoids in the Leaves of Murraya exotica L. by HPLC-DAD-ESI-MS-MS. J Chromatogr Sci 2013; 52:103-14. [DOI: 10.1093/chromsci/bms253] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
|
115
|
Dowson HM, Gage H, Jackson D, Qiao Y, Williams P, Rockall TA. Laparoscopic and open colorectal surgery: a prospective cost analysis. Colorectal Dis 2012; 14:1424-30. [PMID: 22340515 DOI: 10.1111/j.1463-1318.2012.02988.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
AIM Cost has been perceived to be a factor limiting the development of laparoscopic colorectal surgery. This study aimed to compare the costs of laparoscopic and open colorectal surgery. METHOD Patients undergoing laparoscopic or open elective colorectal surgery were recruited into a prospective study to evaluate the healthcare costs of each operative procedure in a district general hospital in England. All healthcare resources used (operation, hospital and community) were recorded and converted to costs in British pounds, 2006-2007. Costs of laparoscopic and open surgery were compared. RESULTS In all, 201 consecutive patients consented and were recruited (131 laparoscopic, 70 open). Operative costs were greater in the laparoscopic group (£2049 vs£1263, P < 0.001) due to the costs of disposable instruments, but the hospital costs were less (£1807 vs£3468, P < 0.001) due to longer lengths of stay in the open group. Community costs were similar in the two groups and had little impact on the overall costs, which were not significantly different (£3875 laparoscopic vs£4383 open, P = 0.308). In the subgroup of patients with a stoma, overall costs in the laparoscopic group are higher (not significant). CONCLUSION The costs of laparoscopic and open colorectal surgery are broadly equivalent. If there is an associated improvement in patient benefit, then laparoscopic colorectal surgery may be considered to be cost effective compared with open surgery.
Collapse
|
116
|
Wang Q, Chen X, Zhang W, Yu D, Zhou L, Chang J, Qiao Y, Lin D, Xiao Z, Tan W. ATM Polymorphisms are Associated With Radiosensitivity for Patients With Esophageal Squamous Cell Carcinoma Underwent Preoperative Radiation Therapy. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
117
|
Qiao Y, Wang J, Li J, Wang J. Effects of depressive and anxiety symptoms during pregnancy on pregnant, obstetric and neonatal outcomes: a follow-up study. J OBSTET GYNAECOL 2012; 32:237-40. [PMID: 22369395 DOI: 10.3109/01443615.2011.647736] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Antenatal clinics can expect at least one in five pregnant women to experience mental health problems, especially depression and anxiety. The present study aims to estimate the effects of the antenatal depressive and anxiety symptoms on pregnant, obstetric and neonatal outcomes. This was a prospective cohort study of 527 pregnancies and their neonates. Whether the women were with or without symptoms of depression and anxiety was determined by the Hospital Anxiety and Depression Scale (HADS). All the participants were followed to delivery. The prevalence of antenatal depressive and/or anxiety was 11.0%. The antenatal depressive and/or anxiety symptoms during pregnancy can increase the risk of prolonged pregnancy (RR =4.080, 95% CI: 1.249-13.325), especially in primiparous women.
Collapse
|
118
|
Verhaak R, Qiao Y, Kim H, Chang K, Munzy D, Gibbs R, Marth G, Levine D, Wheeler D. 231 Patterns of Tumor Evolution in High-grade Ovarian Adenocarcinoma. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)70926-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
|
119
|
Etesami M, Hoi Y, Steinman DA, Gujar SK, Nidecker AE, Astor BC, Portanova A, Qiao Y, Abdalla WMA, Wasserman BA. Comparison of carotid plaque ulcer detection using contrast-enhanced and time-of-flight MRA techniques. AJNR Am J Neuroradiol 2012; 34:177-84. [PMID: 22627797 DOI: 10.3174/ajnr.a3132] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Ulceration in carotid plaque is a risk indicator for ischemic stroke. Our aim was to compare plaque ulcer detection by standard TOF and CE-MRA techniques and to identify factors that influence its detection. MATERIALS AND METHODS Carotid MR imaging scans were acquired on 2066 participants in the ARIC study. We studied the 600 thickest plaques. TOF-MRA, CE-MRA, and black-blood MR images were analyzed together to define ulcer presence (plaque surface niche ≥2 mm in depth). Sixty ulcerated arteries were detected. These arteries were randomly assigned, along with 40 nonulcerated plaques from the remaining 540, for evaluation of ulcer presence by 2 neuroradiologists. Associations between ulcer detection and ulcer characteristics, including orientation, location, and size, were determined and explored by CFD modeling. RESULTS One CE-MRA and 3 TOF-MRAs were noninterpretable and excluded. Of 71 ulcers in 56 arteries, readers detected an average of 39 (55%) on both TOF-MRA and CE-MRA, 26.5 (37.5%) only on CE-MRA, and 1 (1.5%) only on TOF-MRA, missing 4.5 (6%) ulcers by both methods. Ulcer detection by TOF-MRA was associated with its orientation (distally pointing versus perpendicular: OR = 5.57 [95% CI, 1.08-28.65]; proximally pointing versus perpendicular: OR = 0.21 [95% CI, 0.14-0.29]); location relative to point of maximum stenosis (distal versus isolevel: OR = 5.17 [95% CI, 2.10-12.70]); and neck-to-depth ratio (OR = 1.96 [95% CI, 1.11-3.45]) after controlling for stenosis and ulcer volume. CONCLUSIONS CE-MRA detects more ulcers than TOF-MRA in carotid plaques. Missed ulcers on TOF-MRA are influenced by ulcer orientation, location relative to point of maximum stenosis, and neck-to-depth ratio.
Collapse
|
120
|
Qiao Y, Tyson C, Hrynchak M, Lopez-Rangel E, Hildebrand J, Martell S, Fawcett C, Kasmara L, Calli K, Harvard C, Liu X, Holden JJA, Lewis SME, Rajcan-Separovic E. Clinical application of 2.7M Cytogenetics array for CNV detection in subjects with idiopathic autism and/or intellectual disability. Clin Genet 2012; 83:145-54. [PMID: 22369279 DOI: 10.1111/j.1399-0004.2012.01860.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Higher resolution whole-genome arrays facilitate the identification of smaller copy number variations (CNVs) and their integral genes contributing to autism and/or intellectual disability (ASD/ID). Our study describes the use of one of the highest resolution arrays, the Affymetrix(®) Cytogenetics 2.7M array, coupled with quantitative multiplex polymerase chain reaction (PCR) of short fluorescent fragments (QMPSF) for detection and validation of small CNVs. We studied 82 subjects with ASD and ID in total (30 in the validation and 52 in the application cohort) and detected putatively pathogenic CNVs in 6/52 cases from the application cohort. This included a 130-kb maternal duplication spanning exons 64-79 of the DMD gene which was found in a 3-year-old boy manifesting autism and mild neuromotor delays. Other pathogenic CNVs involved 4p14, 12q24.31, 14q32.31, 15q13.2-13.3, and 17p13.3. We established the optimal experimental conditions which, when applied to select small CNVs for QMPSF confirmation, reduced the false positive rate from 60% to 25%. Our work suggests that selection of small CNVs based on the function of integral genes, followed by review of array experimental parameters resulting in highest confirmation rate using multiplex PCR, may enhance the usefulness of higher resolution platforms for ASD and ID gene discovery.
Collapse
|
121
|
Lin Y, Lai X, Chen G, Xu Y, Huang B, Wu Y, Chen Z, Yao L, Lin F, Qiao Y, Chen Z, Zhu S, Huang H, Wen J. Association among serum uric acid, cardiovascular risk, and arterial stiffness: a cross-sectional study in She ethnic minority group of Fujian Province in China. J Endocrinol Invest 2012; 35:290-7. [PMID: 21646856 DOI: 10.3275/7765] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
OBJECTIVES To investigate the association between serum uric acid levels, cardiovascular risk, and arterial stiffness in She ethnic minority in South China's Fujian Province. METHODS 5109 participants aged 20-79 yr were enrolled in analysis. Tpeak-Tend interval (Tp-e), QT interval, and height of the R wave in lead aVL (aVLR) were measured on 12-lead electrocardiogram (ECG), and Minnesota code-indicated major abnormal ECG MA-ECG was used as a risk indicator of cardiovascular disease. Arterial stiffness was assessed by brachial-ankle pulse wave velocity (baPWV). RESULTS Longer Tp-e interval, greater Tp-e/QT ratio, and higher aVLR were observed in the highest quartile of uric acid level. The incidence of MA-ECG was gradually increased from lowest to highest quartile of serum uric acid in males (p for trend <0.01). After adjusting traditional cardiovascular risk factors, multivariate analysis revealed that the fourth quartile of serum uric acid level was independently associated with MA-ECG in males [odds ratios (OR) (95% confidence interval): 2.129 (1.376-3.295)] but not in females. Serum uric acid was also associated with abnormal baPWV, when adjusted for atherogenic confounders. Compared with the lowest serum uric acid quartile, the OR (95% confidence interval) of the second, third, and fourth quartile were 1.920 (1.246-2.957), 1.650 (1.064-2.558), and 2.501 (1.600-3.908) in males. CONCLUSION Among China's She ethnic minority, uric acid level was independently related to arterial stiffness assessed by baPWV in both genders. The evaluation of uric acid level was related to higher cardiovascular risk in males but not in females.
Collapse
|
122
|
Hu H, Zhang W, Qiao Y, Jiang X, Liu X, Ding C. Antibacterial activity and increased bone marrow stem cell functions of Zn-incorporated TiO2 coatings on titanium. Acta Biomater 2012; 8:904-15. [PMID: 22023752 DOI: 10.1016/j.actbio.2011.09.031] [Citation(s) in RCA: 230] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2011] [Revised: 09/22/2011] [Accepted: 09/26/2011] [Indexed: 11/26/2022]
Abstract
In this work, zinc was incorporated into TiO2 coatings on titanium by plasma electrolytic oxidation to obtain the implant with good bacterial inhibition ability and bone-formability. The porous and nanostructured Zn-incorporated TiO2 coatings are built up from pores smaller than 5 μm and grains 20-100 nm in size, in which the element Zn exists as ZnO. The results obtained from the antibacterial studies suggest that the Zn-incorporated TiO2 coatings can greatly inhibit the growth of both Staphylococcus aureus and Escherichia coli, and the ability to inhibit bacteria can be improved by increasing the Zn content in the coatings. Moreover, the in vitro cytocompatibility evaluation demonstrates that the adhesion, proliferation and differentiation of rat bone marrow stem cells (bMSC) on Zn-incorporated coatings are significantly enhanced compared with Zn-free coating and commercially pure Ti plate, and no cytotoxicity appeared on any of the Zn-incorporated TiO2 coatings. Moreover, bMSC express higher level of alkaline phosphatase activity on Zn-incorporated TiO2 coatings and are induced to differentiate into osteoblast cells. The better antibacterial activity, cytocompatibility and the capability to promote bMSC osteogenic differentiation of Zn-incorporated TiO2 coatings may be attributed to the fact that Zn ions can be slowly and constantly released from the coatings. In conclusion, innovative Zn-incorporated TiO2 coatings on titanium with excellent antibacterial activity and biocompatibility are promising candidates for orthopedic and dental implants.
Collapse
|
123
|
Qiao Y, Etesami M, Astor BC, Zeiler SR, Trout HH, Wasserman BA. Carotid plaque neovascularization and hemorrhage detected by MR imaging are associated with recent cerebrovascular ischemic events. AJNR Am J Neuroradiol 2011; 33:755-60. [PMID: 22194363 DOI: 10.3174/ajnr.a2863] [Citation(s) in RCA: 100] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Pathologic studies suggest that neovascularization and hemorrhage are important features of plaque vulnerability for disruption. Our aim was to determine the associations of these features in carotid plaques with previous cerebrovascular ischemic events by using high-resolution CE-MRI. MATERIALS AND METHODS Forty-seven patients (36 men; mean age 72.5 ± 10 years) underwent CE-MRI and MRA examinations for carotid plaque at 3T. IPH presence was recorded. Neovascularity was categorized by the degree of adventitial enhancement (0, absent; 1, <50%; 2, ≥50%). Reader variability was assessed by using weighted κ. Associations with events were determined by using multivariable logistic regression. RESULTS Intra- and inter-reader agreement for grading adventitial enhancement were good to excellent. IPH was present in 49% of patients and was associated with events (P = .03). Patients grouped by categories 0, 1, and 2 adventitial enhancement had increasing frequencies of events (14% category 0, 48% category 1, 65% category 2; P = .02). Events were associated with IPH (OR, 10.18; 95% CI, 1.42-72.21) and adventitial enhancement (compared with category 0: OR, 14.90, 95% CI, 0.98-225.93 for category 1; OR, 51.17, 95% CI, 3.4-469.8 for category 2) after controlling for age, sex, cardiovascular risk factors, wall thickness, and stenosis. Stenosis was not associated with events. CONCLUSIONS Adventitial enhancement and IPH are independently associated with previous events and may provide important insight into stroke risk not achievable by stenosis.
Collapse
|
124
|
Sankaranarayanan R, Sauvaget C, Ramadas K, Ngoma T, Teguete I, Muwonge R, Naud P, Nessa A, Kuhaprema T, Qiao Y. Clinical trials of cancer screening in the developing world and their impact on cancer healthcare. Ann Oncol 2011; 22 Suppl 7:vii20-vii28. [DOI: 10.1093/annonc/mdr422] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
125
|
Sharma C, Deutsch I, Burri R, Chao C, Lewin S, Burke W, Qiao Y, Sun X, Herzog T, Wright J. Lymphadenectomy Influences the Utilization of Adjuvant Radiation Therapy in Early-stage Endometrial Cancer. Int J Radiat Oncol Biol Phys 2011. [DOI: 10.1016/j.ijrobp.2011.06.340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|