1
|
Yehia L, Plitt G, Tushar AM, Joo J, Burke CA, Campbell SC, Heiden K, Jin J, Macaron C, Michener CM, Pederson HJ, Radhakrishnan K, Shin J, Tamburro J, Patil S, Eng C. Longitudinal Analysis of Cancer Risk in Children and Adults With Germline PTEN Variants. JAMA Netw Open 2023; 6:e239705. [PMID: 37093598 PMCID: PMC10126871 DOI: 10.1001/jamanetworkopen.2023.9705] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/25/2023] Open
Abstract
Importance Identifying hereditary cancer predisposition facilitates high-risk organ-specific cancer surveillance and prevention. In PTEN hamartoma tumor syndrome (PHTS), longitudinal studies remain lacking, and there are insufficient data on cancers in children and young adults, as well as individuals with neurodevelopmental disorders (NDD). Objective To evaluate lifetime cancer risks, including second malignant neoplasms (SMN), among patients with PHTS. Design, Setting, and Participants Prospective longitudinal cohort study (September 1, 2005, through January 6, 2022). General population risks from the Surveillance, Epidemiology, and End Results database. Patients with PHTS, molecularly defined as carrying germline PTEN variants, were accrued from community and academic medical centers throughout North America, South America, Europe, Australia, and Asia. Data were analyzed from July 2022 to February 2023. Exposures Review of physical and electronic medical records, and follow-up through clinical visits or telephone interviews. Main Outcomes and Measures Lifetime cancer risks in PHTS relative to the general population. Results A total of 7302 patients were prospectively accrued, 701 of whom had germline PTEN variants (median [IQR] age at consent, 38 [12-52] years; 413 female patients [59%]). Longitudinal follow-up data could be obtained for 260 patients (37%), with a median (IQR) follow-up of 4 (2-8) years. Of the 701 patients, 341 (49%) received at least 1 cancer diagnosis, with 144 (42%) of those having SMN. The study found significantly elevated lifetime risks for breast (91%), endometrial (48%), thyroid (33%), kidney (30%), and colorectal cancers (17%), as well as melanoma (5%). Cancer diagnoses were also observed in children and young adults with PHTS (15%) and in patients with PHTS with neurodevelopmental disorders (11%). Elevated risks (P < .001) of thyroid (age-adjusted standardized incidence ratios [SIR], 32.1; 95% CI, 26.0-39.0), kidney (SIR, 26.5; 95% CI, 18.8-36.3), endometrial (SIR, 26.0; 95% CI, 19.5-34.1), breast (SIR, 20.3; 95% CI, 17.3-23.7), and colorectal (SIR, 7.9; 95% CI, 5.2-11.7) cancers, and melanoma (SIR, 6.3; 95% CI, 3.5-10.5) were observed. Of the 341 patients with PHTS with cancer, 51 (15%) had 1 or more cancers diagnosed at age 29 years or younger, and 16 (31.4%) of those developed SMN at final follow-up. Twenty-three patients with PHTS with NDD and cancer were identified, with 5 (22%) having developed SMN at final follow-up. Individuals with PHTS and NDD showed higher lifetime cancer risks compared with individuals with PHTS but without NDD (hazard ratio, 2.7; 95% CI, 1.7-4.2; P < .001). Conclusions and Relevance This cohort study found consistently elevated lifetime cancer risks in PHTS. Organ-specific surveillance should continue in patients with PHTS. Additional study is required to ascertain elevated cancer risks in patients with PHTS with NDD.
Collapse
Affiliation(s)
- Lamis Yehia
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Gilman Plitt
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
- Department of General Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio
- Cleveland Clinic Lerner College of Medicine of Case Western Reserve University School of Medicine, Cleveland, Ohio
| | - Ann M Tushar
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Julia Joo
- Cleveland Clinic Lerner College of Medicine of Case Western Reserve University School of Medicine, Cleveland, Ohio
| | - Carol A Burke
- Department of Gastroenterology, Hepatology and Nutrition, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio
- Sanford R. Weiss MD Center for Hereditary Colorectal Neoplasia, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio
- Department of Colorectal Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio
- PTEN Multidisciplinary Clinic and Center of Excellence, Cleveland Clinic, Cleveland, Ohio
| | - Steven C Campbell
- PTEN Multidisciplinary Clinic and Center of Excellence, Cleveland Clinic, Cleveland, Ohio
- Department of Urology, Cleveland Clinic, Cleveland, Ohio
| | - Katherine Heiden
- PTEN Multidisciplinary Clinic and Center of Excellence, Cleveland Clinic, Cleveland, Ohio
- Center for Endocrine Surgery, Cleveland Clinic, Cleveland, Ohio
| | - Judy Jin
- PTEN Multidisciplinary Clinic and Center of Excellence, Cleveland Clinic, Cleveland, Ohio
- Center for Endocrine Surgery, Cleveland Clinic, Cleveland, Ohio
| | - Carole Macaron
- Department of Gastroenterology, Hepatology and Nutrition, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio
- Sanford R. Weiss MD Center for Hereditary Colorectal Neoplasia, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio
- PTEN Multidisciplinary Clinic and Center of Excellence, Cleveland Clinic, Cleveland, Ohio
| | - Chad M Michener
- PTEN Multidisciplinary Clinic and Center of Excellence, Cleveland Clinic, Cleveland, Ohio
- Division of Gynecologic Oncology, Obstetrics, Gynecology and Women's Health Institute, Cleveland Clinic, Cleveland, Ohio
| | - Holly J Pederson
- Department of General Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio
- PTEN Multidisciplinary Clinic and Center of Excellence, Cleveland Clinic, Cleveland, Ohio
| | - Kadakkal Radhakrishnan
- PTEN Multidisciplinary Clinic and Center of Excellence, Cleveland Clinic, Cleveland, Ohio
- Department of Pediatric Gastroenterology, Hepatology, and Nutrition, Cleveland Clinic, Cleveland, Ohio
| | - Joyce Shin
- PTEN Multidisciplinary Clinic and Center of Excellence, Cleveland Clinic, Cleveland, Ohio
- Center for Endocrine Surgery, Cleveland Clinic, Cleveland, Ohio
| | - Joan Tamburro
- PTEN Multidisciplinary Clinic and Center of Excellence, Cleveland Clinic, Cleveland, Ohio
- Department of Dermatology, Cleveland Clinic, Cleveland, Ohio
| | - Sujata Patil
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Charis Eng
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
- Cleveland Clinic Lerner College of Medicine of Case Western Reserve University School of Medicine, Cleveland, Ohio
- PTEN Multidisciplinary Clinic and Center of Excellence, Cleveland Clinic, Cleveland, Ohio
- Center for Personalized Genetic Healthcare, Community Care, Cleveland Clinic, Cleveland, Ohio
- Taussig Cancer Institute, Cleveland Clinic, Cleveland, Ohio
- Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine, Cleveland, Ohio
- Germline High Risk Cancer Focus Group, Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio
| |
Collapse
|
2
|
Kuku KO, Park H, Dulek B, Bielinski SJ, Joo J, Roger VL. Protein signatures of heart failure mortality in the community. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Heart failure (HF) is a complex clinical syndrome that affects over 60 million persons worldwide.1 The 5-year survival rate of HF is less than 50% irrespective of ejection fraction (EF) and the limitations of EF in sufficiently phenotyping HF are recognized.2,3 High throughput proteomics assays are an attractive option for precision phenotyping.4
Purpose
To explore the proteomic profiles and biomarker pathways associated with death in an HF community cohort.
Methods
We measured proteomics in plasma specimens collected from an HF cohort (2003–2012) of patients predominantly of European Ancestry (92%). The relative concentrations of circulating plasma proteins were measured using an aptamer-based assay containing 7335 human protein targets. Proteins significantly associated with mortality were selected while adjusting for age, sex, and eGFR. These proteins were employed in clustering analysis and subjected to 10-fold cross-validation. We quantified and corrected the clustering bias via bootstrapping and subsequently validated the results via semi-supervised clustering. Multivariable Cox regression was implemented for the cluster variable while adjusting for the Meta-analysis Global Group in Chronic Heart Failure (MAGGIC) risk score. Additionally, we performed enrichment and pathway analysis of the outcome-associated proteins considering significance thresholds of −log10(P-value) >2, FDR corrected P<0.05 (regulator analysis) and Z-scores of >2 and <−2 as thresholds for activation and inhibition of proteins/pathways.
Results
From a total of 1,388 patients (mean age 75±13; 52% male), 2 distinct clusters, (HR: 2.04; 95% CI [1.78–2.34]; p-value: <0.0001 independent of MAGGIC) were identified, cluster 1; n=722, mean age 72±14; NYHA class III/IV: 41%/26%; EF: 47%±17 and cluster 2; n=666, mean age 79±11; NYHA class III/IV: 41%/31%, EF: 48%±16 based on the 447 proteins [354 positively and 93 negatively] significantly associated with mortality (1,158 events). Gene-set enrichment analysis of all 447 proteins revealed cell adhesion, extracellular matrix organization, enzyme-linked protein/tyrosine kinase signaling pathways, humoral immune response, tissue development, growth factor signaling, post-translational protein modification, and platelet degranulation as the dominant biological themes. Finally, we found 18 upstream regulators predicted to be driving the expressions of the proteins in the dataset including a predicted outcome-associated protein-Transforming Growth Factor Beta 1 – TGFB1 (p=7.46E-09), Interleukin 1B, IL1B (p=9.40E-08), and oncostatin M, OSM (p=6.61E-05) as the top 3 regulators (predicted activation) based on FDR-corrected statistical significance of P<0.05 (Figure 1)
Conclusion
We identified distinct clusters based on proteomic profiles associated with HF mortality independently of clinical prognostic makers. Further, we delineated protein regulators driving the major pathways associated with HF survival.
Funding Acknowledgement
Type of funding sources: Public Institution(s). Main funding source(s): Department of Intramural Research, NIH/NHLBI
Collapse
Affiliation(s)
- K O Kuku
- National Heart Lung and Blood Institute, Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch , Bethesda , United States of America
| | - H Park
- National Heart Lung and Blood Institute, Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch , Bethesda , United States of America
| | - B Dulek
- National Institutes of Health, NIAID Collaborative Bioinformatics Resource, National Institutes of Allergy and Infectious Diseases , Bethesda , United States of America
| | - S J Bielinski
- Mayo Clinic, Department of Epidemiology , Rochester , United States of America
| | - J Joo
- National Institutes of Health, Office of Biostatistics Research, National Heart, Lung, and Blood Institute , Bethesda , United States of America
| | - V L Roger
- National Heart Lung and Blood Institute, Heart Disease Phenomics Laboratory, Epidemiology and Community Health Branch , Bethesda , United States of America
| |
Collapse
|
3
|
Markwei MT, Babatunde I, Rathi N, Fan C, Prah MA, Joo J, Hackett L, Soper DE, Goje O. Preincision adjunctive prophylaxis for cesarean deliveries a systematic review and meta-analysis. Am J Obstet Gynecol 2021; 225:382.e1-382.e13. [PMID: 33964219 DOI: 10.1016/j.ajog.2021.04.259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/22/2021] [Accepted: 04/29/2021] [Indexed: 11/20/2022]
Abstract
OBJECTIVE This study aimed to systematically review the relative effectiveness of preincision cefazolin with or without adjunctive prophylaxis (macrolides or metronidazole) vs cefazolin alone in decreasing the incidence of postcesarean delivery surgical site infections. DATA SOURCES We performed a systematic search on PubMed, Ovid EMBASE, Google Scholar, ClinicalTrials.gov, and the Cochrane Central Register of Controlled Trials from October 25, 2020, to November 25, 2020, to identify studies comparing cefazolin with adjunctive macrolides or metronidazole with cefazolin alone. The reference lists were reviewed, and a manual search of articles published after the last database search was performed. STUDY ELIGIBILITY CRITERIA Overall, 3 randomized controlled trials and 1 prospective observational study of reproductive-age women undergoing cesarean deliveries were included in the study. We excluded studies of women who were immunocompromised (eg, patients who were HIV positive) or women with a diagnosis of chorioamnionitis before cesarean delivery. All patients received first-line cefazolin (either cefazolin 1 g or 2 g). We compared preincision cefazolin alone with preincision cefazolin plus adjunctive therapy (500 mg, oral or intravenous formulations of azithromycin, metronidazole, or clarithromycin). METHODS A total of 6 review authors independently assessed the risk of bias for each study, using the Cochrane Risk of Bias criteria. Synthesis and further appraisal were done using the Grading of Recommendations, Assessment, Development, and Evaluation levels and the American College of Obstetricians and Gynecologists appraisal guidelines. Disagreements were resolved by discussion. Treatment effects were evaluated using meta-analysis, and pooled relative risks and 95% confidence intervals were generated using random-effects models using the Review Manager 5 software (version 5.4.1). RESULTS Overall, 3 randomized controlled trials and 1 prospective observational study representing 2613 women met the criteria for inclusion. Significant reductions in surgical site infections (relative risk, 0.46; 95% confidence interval, 0.34-0.63; 3 randomized controlled trials) and the duration of hospital stay (weighted mean difference, -1.46; 95% confidence interval, -2.21 to -0.71; 2 randomized controlled trials) were observed with preincision cefazolin and adjunctive prophylaxis compared with cefazolin alone. No significant difference was observed in maternal febrile morbidity (relative risk, 0.38; 95% confidence interval, 0.11-1.25; 2 randomized controlled trials). CONCLUSION Our findings have provided evidence for the use of preincision adjunctive extended-spectrum prophylaxis with cefazolin over cefazolin alone. However, future investigations are required to establish the relative efficacies of different adjunctive antibiotic options.
Collapse
Affiliation(s)
| | - Ifeoluwa Babatunde
- Department of Clinical Translational Science, Case Western Reserve University School of Medicine, Cleveland, OH
| | - Nityam Rathi
- Cleveland Clinic Lerner College of Medicine, Cleveland, OH
| | - Cong Fan
- Cleveland Clinic Lerner College of Medicine, Cleveland, OH
| | - Marie-Ann Prah
- Weill Cornell Graduate School of Medical Sciences, New York, NY
| | - Julia Joo
- Cleveland Clinic Lerner College of Medicine, Cleveland, OH
| | - Loren Hackett
- Department of Library Research and Education, Cleveland Clinic Floyd D. Loop Alumni Library, Cleveland, OH
| | - David E Soper
- Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, SC
| | - Oluwatosin Goje
- Department of Reproductive Infectious Diseases & Vulvovaginal Disorders, ObGyn & Women's Health Institute, Cleveland Clinic, Cleveland, OH.
| |
Collapse
|
4
|
Truong C, Gallo J, Roter D, Joo J. The role of self-disclosure by peer mentors: Using personal narratives in depression care. Patient Educ Couns 2019; 102:1273-1279. [PMID: 30791990 PMCID: PMC6546521 DOI: 10.1016/j.pec.2019.02.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 01/29/2019] [Accepted: 02/05/2019] [Indexed: 06/06/2023]
Abstract
OBJECTIVE Self-disclosure is recognized as an important aspect of peer support, but little is known about its use by peers. This study aimed to qualitatively understand peer self-disclosure in the context of depression care delivery to older adults. METHODS 69 audio-recordings of peer-client meetings were coded for self-disclosure using the Roter Interaction Analysis System (RIAS). Peer self-disclosure was defined as a statement describing personal life experience with physical and/or emotional relevance for the client. A total of 3421 discrete statements were organized into 770 disclosure episodes. The episodes were qualitatively analyzed to identify themes related to the content and function of self-disclosure within the peer-counseling context. RESULTS Peer self-disclosure was used to 1) counsel through reframing perspectives, modeling positive behaviors, offering coping skills, and sharing mental health resources and health information; 2) establish rapport by emphasizing similarities unrelated to depression; and 3) show empathy and understanding of personal struggles. In addition, self-disclosure rarely only focused on the peer experience without relevance for the client. CONCLUSIONS & PRACTICE IMPLICATIONS Peer self-disclosure can be purposively used in depression care delivery with older adults. Training and supervision in appropriate self-disclosure should be provided to peers to ensure purposive use.
Collapse
Affiliation(s)
- C Truong
- Department of Mental Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD USA.
| | - J Gallo
- Department of Mental Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD USA.
| | - D Roter
- Department of Health Policy and Management, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA.
| | - J Joo
- Department of Psychiatry and Behavioral Sciences, School of Medicine, Johns Hopkins University, Baltimore, MD, USA.
| |
Collapse
|
5
|
Kim S, Ko K, Joo J, Jung SY, Lee S, Lee E, Kang H, Kim Y, Chae I, Kim TS. Audit of routine screening breast MRIs: 13-year experience at a single institute. Breast 2019. [DOI: 10.1016/s0960-9776(19)30210-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
|
6
|
Jung SY, Han JH, Park SJ, Lee EG, Lee MH, Lee ES, Kang HS, Lee KS, Park IH, Sim SH, Jeong HJ, Kwon Y, Lee DE, Joo J, Kim SK, Lee S. Abstract P3-03-05: Not presented. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p3-03-05] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
This abstract was not presented at the conference.
Citation Format: Jung S-Y, Han JH, Park SJ, Lee E-G, Lee MH, Lee ES, Kang H-S, Lee KS, Park IH, Sim SH, Jeong HJ, Kwon Y, Lee D-E, Joo J, Kim S-K, Lee S. Not presented [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P3-03-05.
Collapse
Affiliation(s)
- S-Y Jung
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - JH Han
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - SJ Park
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - E-G Lee
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - MH Lee
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - ES Lee
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - H-S Kang
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - KS Lee
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - IH Park
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - SH Sim
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - HJ Jeong
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - Y Kwon
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - D-E Lee
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - J Joo
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - S-K Kim
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| | - S Lee
- National Cancer Center, Goyang, Republic of Korea; Wonkwang University Sanbon Hospital, Gunpo, Republic of Korea; Keimyung University School of Medicine, Daegu, Republic of Korea
| |
Collapse
|
7
|
Lee K, Joo J, Jo M, Han S, Yun K, Hwang S. Differential expression of reproductive hormone receptors and contraction-associated genes in uterine estrous cycle of porcine. Fertil Steril 2018. [DOI: 10.1016/j.fertnstert.2018.07.1065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
|
8
|
Kim M, Woo S, Park B, Yoon KA, Kim Y, Joo J, Park S, Kong SY. Prognostic impact of KRAS mutation in cell-free DNA in patients with pancreatic cancer. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx361.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
9
|
Eom H, Jung J, Lee H, Yun T, Lee E, Moon H, Joo J, Park W, Choi M, Lee J, Lee J. Prognostic role of the neutrophil-to-lymphocyte ratio in patients with primary central nervous system lymphoma. Hematol Oncol 2017. [DOI: 10.1002/hon.2439_69] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- H. Eom
- Center for Hematologic Malignancy; National Cancer Center; Goyang South Korea
| | - J. Jung
- Department of Cancer Biomedical Science; Graduate School of Cancer Science and Policy, National Cancer Center; Goyang South Korea
| | - H. Lee
- Center for Hematologic Malignancy; National Cancer Center; Goyang South Korea
| | - T. Yun
- Department of Internal Medicine; National Cancer Center; Goyang South Korea
| | - E. Lee
- Center for Hematologic Malignancy; National Cancer Center; Goyang South Korea
| | - H. Moon
- Department of Internal Medicine; National Cancer Center; Goyang South Korea
| | - J. Joo
- 5Biometrics Research Branch; Research Institute, National Cancer Center; Goyang South Korea
| | - W. Park
- Department of Pathology; National Cancer Center; Goyang South Korea
| | - M. Choi
- Department of Hematology and Medical Oncology; Seoul National University Hospital; Seoul South Korea
| | - J. Lee
- Division of Hematology and Medical Oncology; Seoul National University Bundang Hospital; Seongnam South Korea
| | - J. Lee
- Division of Hematology and Medical Oncology; Seoul National University Bundang Hospital; Seongnam South Korea
| |
Collapse
|
10
|
Reim D, Choi YS, Yoon HM, Park B, Eom BW, Kook MC, Ryu KW, Choi IJ, Joo J, Kim YW. Alpha-fetoprotein is a significant prognostic factor for gastric cancer: Results from a propensity score matching analysis after curative resection. Eur J Surg Oncol 2017; 43:1542-1549. [PMID: 28511775 DOI: 10.1016/j.ejso.2017.04.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 04/19/2017] [Accepted: 04/21/2017] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Prognosis of alpha-fetoprotein positive gastric cancer (AFPP-GC) remains elusive so far due to disparities in cohort size and baseline characteristics in previous studies. A propensity score matching (PSM) analysis as well as multivariable model was performed for unbiased evaluation of the outcome in AFPGC. METHODS Among 3034 gastric cancer patients who underwent curative gastric cancer surgery (R0, M0) at the National Cancer Center, Korea between 2002 and 2007, we identified 97 patients being positive for AFP either by elevation of serum-AFP levels >10 μg/L or by immunohistochemical staining. Due to marked disparities in baseline characteristics and cohort size, propensity-score-matching was performed which matched 87 AFPP-GC patients to the same number of AFP-negative gastric cancer (AFPN-GC) patients. Baseline characteristics were compared using χ2-test. Survival curves were compared using the Kaplan-Meier-method and multivariable regression analysis was performed to evaluate the effect of AFP-positivity while adjusting the effects of confounding variables. RESULTS AFPP-GC and AFPN-GC patients revealed marked disparities in patient cohorts. After PSM, groups were balanced for age, sex, tumor size, BMI, tumor location, grade of differentiation, presence of lymphatic vessel infiltration (LVI), Lauren histologic type and stage distribution. In multivariable regression analysis of the PSM-groups, only AFP-positivity and pathologic stage were predictive for overall survival (HR 2.98, CI 95% {1.7-5.1}, p < 0.0001). Five-year-survival rates were significantly worse for AFPP-GC patients (57.9% vs. 76.1%, p = 0.014). Recurrence was significantly more frequent in AFPP-GC patients (p = 0.003). CONCLUSION AFP can be considered as an independent negative predictor of overall and recurrence-free survival in patients with gastric cancer.
Collapse
Affiliation(s)
- D Reim
- Gastric Cancer Branch, Research Institute & Hospital, National Cancer Center, Ilsan-ro 323, Ilsandong-gu, Goyang-si Gyeonggi-do, 410-769, Republic of Korea; Klinikum Rechts der Isar der Technischen Universität München, Department of Surgery, Ismaninger Strasse 22, 81675 Munich, Germany
| | - Y-S Choi
- Gastric Cancer Branch, Research Institute & Hospital, National Cancer Center, Ilsan-ro 323, Ilsandong-gu, Goyang-si Gyeonggi-do, 410-769, Republic of Korea
| | - H M Yoon
- Gastric Cancer Branch, Research Institute & Hospital, National Cancer Center, Ilsan-ro 323, Ilsandong-gu, Goyang-si Gyeonggi-do, 410-769, Republic of Korea
| | - B Park
- Biometric Research Branch, Clinical Research Coordination Center, National Cancer Center, Ilsan-ro 323, Ilsandong-gu, Goyang-si Gyeonggi-do, 410-769, Republic of Korea
| | - B W Eom
- Gastric Cancer Branch, Research Institute & Hospital, National Cancer Center, Ilsan-ro 323, Ilsandong-gu, Goyang-si Gyeonggi-do, 410-769, Republic of Korea
| | - M-C Kook
- Gastric Cancer Branch, Research Institute & Hospital, National Cancer Center, Ilsan-ro 323, Ilsandong-gu, Goyang-si Gyeonggi-do, 410-769, Republic of Korea
| | - K W Ryu
- Gastric Cancer Branch, Research Institute & Hospital, National Cancer Center, Ilsan-ro 323, Ilsandong-gu, Goyang-si Gyeonggi-do, 410-769, Republic of Korea
| | - I J Choi
- Gastric Cancer Branch, Research Institute & Hospital, National Cancer Center, Ilsan-ro 323, Ilsandong-gu, Goyang-si Gyeonggi-do, 410-769, Republic of Korea
| | - J Joo
- Biometric Research Branch, Clinical Research Coordination Center, National Cancer Center, Ilsan-ro 323, Ilsandong-gu, Goyang-si Gyeonggi-do, 410-769, Republic of Korea.
| | - Y-W Kim
- Gastric Cancer Branch, Research Institute & Hospital, National Cancer Center, Ilsan-ro 323, Ilsandong-gu, Goyang-si Gyeonggi-do, 410-769, Republic of Korea.
| |
Collapse
|
11
|
Hwang K, Joo J, Kim Y, Kim C, Han J. P12.09 Postoperatively delayed-onset seizure outcome in patients with primary supratentorial meningioma resection. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
12
|
Lee K, Joo J, Kim S, Lee S. Quantitative assessment of endometrial volume and uterine vascularity and pregnancy outcome in frozen-thawed embryo transfer cycles. Fertil Steril 2016. [DOI: 10.1016/j.fertnstert.2016.07.624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
13
|
Lee K, Joo J, Kim S, Lee S. Effect of regular exercise on reproductive function of aged female mice. Fertil Steril 2016. [DOI: 10.1016/j.fertnstert.2016.07.358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
14
|
Lee K, Joo J, Kim S, Lee S. The utility of endometrial and uterine vascularity measurement by transvaginal ultrasonography in predicting pregnancy outcome during frozen-thawed embryo transfer cycles. Fertil Steril 2016. [DOI: 10.1016/j.fertnstert.2016.07.617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
15
|
Federman C, Joo J, Almario J, Salaheen S, Biswas D. Citrus-derived oil inhibits Staphylococcus aureus growth and alters its interactions with bovine mammary cells. J Dairy Sci 2016; 99:3667-3674. [DOI: 10.3168/jds.2015-10538] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 01/01/2016] [Indexed: 12/22/2022]
|
16
|
Kim SH, Kwak K, Hyun JW, Jeong IH, Jo HJ, Joung A, Kim JH, Lee SH, Yun S, Joo J, Lee JM, Kim HJ. Widespread cortical thinning in patients with neuromyelitis optica spectrum disorder. Eur J Neurol 2016; 23:1165-73. [PMID: 27108769 DOI: 10.1111/ene.13011] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Accepted: 03/01/2016] [Indexed: 01/01/2023]
Abstract
BACKGROUND AND PURPOSE Studies on cortical involvement and its relationship with cognitive function in patients with neuromyelitis optica spectrum disorder (NMOSD) remain scarce. The objective of this study was to compare cortical thickness on magnetic resonance imaging (MRI) between patients with NMOSD and multiple sclerosis (MS) and to investigate its relationship with clinical features and cognitive function. METHODS This observational clinical imaging study of 91 patients with NMOSD, 52 patients with MS and 44 healthy controls was conducted from 1 December 2013 to 30 April 2015 at the institutional referral center. Three tesla MRI of the brain and neuropsychological tests were performed. Cortical thickness was measured using three-dimensional surface-based analysis. RESULTS Both sets of patients exhibited cortical thinning throughout the entire brain cortex. Patients with MS showed a significantly greater reduction in cortical thickness over broad regions of the bilateral frontal and parieto-temporal cortices and the left precuneus compared to those with NMOSD. Memory functions in patients with MS were correlated with broad regional cortical thinning, whereas no significant associations were observed between cortical thickness and cognitive function in patients with NMOSD. CONCLUSIONS Widespread cortical thinning was observed in patients with NMOSD and MS, but the extent of cortical thinning was greater in patients with MS. The more severe cortical atrophy may contribute to memory impairment in patients with MS but not in those with NMOSD. These results provide in vivo evidence that the severity and clinical relevance of cortical thinning differ between NMOSD and MS.
Collapse
Affiliation(s)
- S-H Kim
- Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang-si, Korea
| | - K Kwak
- Department of Biomedical Engineering, Hanyang University, Seoul, Korea
| | - J-W Hyun
- Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang-si, Korea
| | - I H Jeong
- Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang-si, Korea
| | - H-J Jo
- Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang-si, Korea
| | - A Joung
- Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang-si, Korea
| | - J-H Kim
- Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang-si, Korea
| | - S H Lee
- Department of Radiology, Research Institute and Hospital of National Cancer Center, Goyang, Korea
| | - S Yun
- Biometric Research Branch, Research Institute and Hospital of National Cancer Center, Goyang, Korea
| | - J Joo
- Biometric Research Branch, Research Institute and Hospital of National Cancer Center, Goyang, Korea
| | - J-M Lee
- Department of Biomedical Engineering, Hanyang University, Seoul, Korea
| | - H J Kim
- Department of Neurology, Research Institute and Hospital of National Cancer Center, Goyang-si, Korea
| |
Collapse
|
17
|
Kim Y, Joo J, Choi E, LEE S. EP-1831: Inter-physician variability in delineation of clinical target volume of uterine cervical carcinoma. Radiother Oncol 2016. [DOI: 10.1016/s0167-8140(16)33082-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
|
18
|
Park J, Lee S, Choi E, Kim J, Ahn S, Song S, Yoon S, Kim S, Kim Y, Joo J. PO-112: Prediction of local control using maximal standard uptake value in early glottic carcinoma. Radiother Oncol 2015. [DOI: 10.1016/s0167-8140(15)34872-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
19
|
Jeong Y, Lee S, Kwak J, Cho I, Yoon S, Kim J, Park J, Choi E, Song S, Kim Y, Kim S, Joo J, Ahn S. A Dosimetric Comparison of Volumetric Modulated Arc Therapy (VMAT) and Non-Coplanar Intensity Modulated Radiation Therapy (IMRT) for Nasal Cavity and Paranasal Sinus Cancer. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.2472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
20
|
Kim C, Kim Y, Park C, Lee S, Kim Y, Kim I, Kim I, Joo J, Park M, Lee M. P17.49 * TREATMENT STRATEGY FOR WHO GRADE III GLIOMAS: THE LESSONS LEARNED FROM THE RETROSPECTIVE MULTICENTER ANALYSIS OF 243 PATIENTS. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou174.378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
21
|
Kim DW, Woo HD, Joo J, Park KS, Oh SY, Kwon HJ, Park JD, Hong YS, Sohn SJ, Yoon HJ, Hwang MS, Kim J. Estimated long-term dietary exposure to lead, cadmium, and mercury in young Korean children. Eur J Clin Nutr 2014; 68:1322-6. [PMID: 24961543 DOI: 10.1038/ejcn.2014.116] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 03/10/2014] [Accepted: 04/13/2014] [Indexed: 11/09/2022]
Abstract
BACKGROUND Controlling for day-to-day variation is a key issue in estimating long-term dietary exposure to heavy metals using 24-hour recall (24HR) data from a relatively small number of days. OBJECTIVES This study was conducted to estimate long-term dietary exposure to lead, cadmium and mercury among Korean children using the Iowa State University (ISU) method and to assess the contributions of different food groups to heavy metal intake. METHODS We analyzed 2 days of 24HR data from 457 children between 0 and 6 years of age in 2010. Using bootstrapped concentration data for 118 representative foods, 93.5% of total intake was included in the exposure estimates in this study. Using the 2-day exposure data, we estimated long-term exposure by controlling for within-individual variation using the ISU method. RESULTS The long-term dietary exposure estimates (mean±standard deviation) for lead, cadmium, and mercury were 0.47±0.14, 0.38±0.20, and 0.22±0.08 μg/kg bw/day, respectively. For lead and cadmium, the percentages of children whose exposure was greater than the reference value were 35 and 42%, respectively. Fruits were an important source of lead exposure, and cereal and fish and shellfish made the greatest contributions to the total cadmium and mercury exposure. CONCLUSIONS Our findings also suggest that the long-term exposure to lead and cadmium was somewhat greater than the reference values, whereas mercury exposure was well below than the reference value in this population. Further studies may be necessary to evaluate the food items contributing to heavy metal exposure, and continuous monitoring is needed to ensure the safety of food intake and dietary patterns among vulnerable groups in Korea.
Collapse
Affiliation(s)
- D W Kim
- Molecular Epidemiology Branch, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea
| | - H D Woo
- Molecular Epidemiology Branch, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea
| | - J Joo
- Biometric Research Branch, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea
| | - K S Park
- Advanced Analysis Center, Research Planning & Coordination Division, Korea Institute of Science and Technology, Seoul, Republic of Korea
| | - S Y Oh
- Department of Food & Nutrition, College of Human Ecology, Kyung Hee University, Seoul, Republic of Korea
| | - H J Kwon
- Department of Preventive Medicine, College of Medicine, Dankook University, Cheonan-si, Chungcheongnam-do, Republic of Korea
| | - J D Park
- Department of Preventive Medicine, College of Medicine, Chung-Ang University, Seoul, Republic of Korea
| | - Y S Hong
- Dong-A University, Regional Cardiocerebrovascular Center, Busan, Republic of Korea
| | - S J Sohn
- Department of Preventive Medicine, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - H J Yoon
- Risk Analysis & Research Division, National Institute of Food and Drug Safety Evaluation, Cheongwon-gun, Chungcheongbuk-do, Republic of Korea
| | - M S Hwang
- Risk Analysis & Research Division, National Institute of Food and Drug Safety Evaluation, Cheongwon-gun, Chungcheongbuk-do, Republic of Korea
| | - J Kim
- Molecular Epidemiology Branch, National Cancer Center, Goyang-si, Gyeonggi-do, Republic of Korea
| |
Collapse
|
22
|
Terp S, Krishnadasan A, Bowen W, Joo J, Furoy D, Chan J, Moran G, Talan D. Introduction of Rapid Methicillin-Resistant Staphylococcus aureus Polymerase Chain Reaction Testing and Antibiotic Selection Among Hospitalized Patients With Purulent Skin Infections. Clin Infect Dis 2014; 58:e129-32. [DOI: 10.1093/cid/ciu039] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
|
23
|
Eom B, Joo J, Kim Y, Bae J, Park K, Lee J, Ryu K, Kook M. Role of bursectomy for advanced gastric cancer: Result of a case–control study from a large volume hospital. Eur J Surg Oncol 2013; 39:1407-14. [DOI: 10.1016/j.ejso.2013.09.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Revised: 08/06/2013] [Accepted: 09/10/2013] [Indexed: 02/07/2023] Open
|
24
|
Joo J, Park J, Choi E, Kim J, Lee S, Song S, Yoon S, Kim Y, Kim S, Ahn S. Treatment Outcome of Radiation Therapy for Intracranial Germinoma: Suggestion of Radiation Field When Combined to Upfront Chemotherapy. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
25
|
Park CK, Kim YH, Kim JW, Kim TM, Choi SH, Kim YJ, Choi BS, Lee SH, Kim CY, Kim IH, Lee DZ, Kheder A, Forbes M, Craven I, Hadjivassiliou M, Shonka NA, Kessinger A, Aizenberg MR, Weller M, Meisner C, Platten M, Simon M, Nikkhah G, Papsdorf K, Sabel M, Braun C, Reifenberger G, Wick W, Alexandru D, Haghighi B, Muhonen MG, Chamberlain MC, Sumrall AL, Burri S, Brick W, Asher A, Murillo-Medina K, Guerrero-Maldonado A, Ramiro AJ, Cervantes-Sanchez G, Erazo-Valle-Solis AA, Garcia-Navarro V, Sperduto PW, Shanley R, Luo X, Kased N, Sneed PK, Roberge D, Chao S, Weil R, Suh J, Bhatt A, Jensen A, Brown PD, Shih H, Kirkpatrick J, Gaspar LE, Fiveash J, Chiang V, Knisely J, Sperduto CM, Lin N, Mehta MP, Anderson MD, Raghunathan A, Aldape KD, Fuller GN, Gilbert MR, Robins HI, Wang M, Gilbert MR, Chakravarti A, Grimm S, Penas-Prado M, Chaudhary R, Anderson PJ, Elinzano H, Gilbert RA, Mehta M, Aoki T, Ueba T, Arakawa Y, Miyatake SI, Tsukahara T, Miyamoto S, Nozaki K, Taki W, Matsutani M, Shakur SF, Bit-Ivan E, Watkin WG, Farhat HI, Merrell RT, Zwinkels H, Dorr J, Kloet A, Taphoorn MJ, Vecht CJ, Bogdahn U, Stockhammer G, Mahapatra A, Hau P, Schuknecht B, van den Bent M, Heinrichs H, Yust-Katz S, Liu V, Sanghee K, Groves M, Puduvalli V, Levin V, Conrad C, Colman H, Hsu S, Yung AW, Gilbert MR, Kunz M, Armbruster L, Thon N, Jansen N, Lutz J, Herms J, Egensperger R, Eigenbrod S, Kretzschmar H, La CF, Tonn JC, Kreth FW, Brandes AA, Franceschi E, Agati R, Poggi R, Dall'Occa P, Bartolotti M, Di Battista M, Marucci G, Girardi F, Ermani M, Sherman W, Raizer J, Grimm S, Ruckser R, Tatzreiter G, Pfisterer W, Oberhauser G, Honigschnabel S, Aboul-Enein F, Ausch C, Kitzweger E, Hruby W, Sebesta C, Green RM, Woyshner EA, Suchorska B, Jansen NL, Janssen H, Kretzschmar H, Simon M, Hentschel B, Poepperl G, Kreth FW, Linn J, LaFougere C, Weller M, Tonn JC, Suchorska B, Jansen NL, Graute V, Eigenbrod S, Bartenstein P, Kreth FW, LaFougere C, Tonn JC, Hassanzadeh B, Tohidi V, Levacic D, Landolfi JC, Singer S, DeBraganca K, Omuro A, Grommes C, Omar AI, Jalan P, Pandav V, Bekker S, Fuente MIDL, Kaley T, Zhao S, Chen X, Soffietti R, Magistrello M, Bertero L, Bosa C, Crasto SG, Garbossa D, Lolli I, Trevisan E, Ruda R, Ruda R, Bertero L, Bosa C, Trevisan E, Pace A, Carapella C, Dealis C, Caroli M, Faedi M, Bomprezzi C, Thomas AA, Dalmau J, Gresa-Arribas N, Fadul CE, Kumthekar PU, Raizer J, Grimm S, Herrada J, Antony N, Richards M, Gupta A, Landeros M, Arango C, Campos-Gines AF, Friedman P, Wilson H, Streeter JC, Cohen A, Gilreath J, Sageser D, Ye X, Bell SD, McGregor J, Bourekas E, Cavaliere R, Newton H, Sul J, Odia Y, Zhang W, Shih J, Butman JA, Hammoud D, Kreisl TN, Iwamoto F, Fine HA, Berriel LG, Santos FN, Levy AC, Fanelli MF, Chinen LT, da Costa AA, Bourekas E, Wayne Slone H, Bell SD, McGregor J, Bokstein F, Blumenthal DT, Shpigel S, Phishniak L, Yust-Katz S, Garciarena P, Liue D, Yuan Y, Groves MD, Wong ET, Villano JL, Engelhard HH, Ram Z, Sahebjam S, Millar BA, Sahgal A, Laperriere N, Mason W, Levin VA, Hess KR, Choucair AK, Flynn PJ, Jaeckle KA, Kyritsis AP, Yung WKA, Prados MD, Bruner JM, Ictech S, Nghiemphu PL, Lai A, Green RM, Cloughesy TF, Zaky W, Gilles F, Grimm J, Bluml S, Dhall G, Rosser T, Randolph L, Wong K, Olch A, Krieger M, Finlay J, Capellades J, Verger E, Medrano S, Gonzalez S, Gil M, Reynes G, Ribalta T, Gallego O, Segura PP, Balana C, Gwak HS, Joo J, Kim S, Yoo H, Shin SH, Han JY, Kim HT, Yun T, Lee JS, Lee SH, Kim W, Vogelbaum MA, Wang M, Peereboom DM, Macdonald DR, Giannini C, Suh JH, Jenkins RB, Laack NN, Brackman DG, Shrieve DC, Souhami L, Mehta MP, Leibetseder A, Wohrer A, Ackerl M, Flechl B, Sax C, Spiegl-Kreinecker S, Pichler J, Widhalm G, Dieckmann K, Preusser M, Marosi C, Sebastian C, Alejandro M, Bernadette C, Naomi A, Kavan P, Sahebjam S, Garoufalis E, Guiot MC, Muanza T, Del Maestro R, Petrecca K, Sharma R, Curry R, Joyce J, Rosenblum M, Jaffe E, Matasar M, Lin O, Fisher R, Omuro A, Yin C, Iwamoto FM, Fraum TJ, Nayak L, Diamond EL, DeAngelis LM, Pentsova E, Vera-Bolanos E, Gilbert MR, Aldape K, Necesito-Reyes MJ, Fouladi M, Gajjar A, Goldman S, Metellus P, Mikkelsen T, Omuro A, Packer R, Partap S, Pollack IF, Prados M, Ian Robins H, Soffietti R, Wu J, Armstrong TS, Nakada M, Hayashi Y, Miyashita K, Kinoshita M, Furuta T, Sabit H, Kita D, Hayashi Y, Uchiyam N, Kawakami K, Minamoto T, Hamada JI, Diamond EL, Rosenblum M, Heaney M, Carrasquillo J, Krauthammer A, Nolan C, Kaley TJ, Gil MJ, Fuster J, Balana C, Benavides M, Mesia C, Etxaniz O, Canellas J, Perez-Martin X, Hunter K, Johnston SK, Bridge CA, Rockne RC, Guyman L, Baldock AL, Rockhill JK, Mrugala MM, Beard BC, Adair JE, Kiem HP, Swanson KR, Ranjan T, Desjardins A, Peters KB, Alderson L, Kirkpatrick J, Herndon J, Bailey L, Sampson J, Friedman AH, Friedman H, Vredenburgh JJ, Theeler BJ, Ellezam B, Melguizo-Gavilanes I, Shonka NA, Bruner JM, Puduvalli VK, Taylor JW, Flanagan E, O'Neill B, Seigal T, Omuro A, DeAngelis L, Baerhing J, Hoang-Xuan K, Chamberlain M, Batchelor T, Nishikawa R, Pinto F, Blay JY, Korfel A, Schiff D, Fu BD, Kong XT, Bota D, Omuro A, Beal K, Ivy P, Gutin P, Wu N, Kaley T, Karimi S, DeAngelis L, Pentsova H, Nolan C, Grommes C, Chan T, Mathew R, Droms L, Shimizu F, Tabar V, Grossman S, Yovino S, Campian J, Wild A, Herman J, Brock M, Balmanoukian A, Ye X, Portnow J, Badie B, Synold T, Lacey S, D'Apuzzo M, Frankel P, Chen M, Aboody K, Letarte N, Gabay MP, Bressler LR, Stachnik JM, Villano JL, Jaeckle KA, Anderson SK, Willson A, Moreno-Aspitia A, Colon-Otero G, Patel T, Perez E, Peters KB, Reardon DA, Vredenburgh JJ, Desjardins A, Herndon JE, Coan A, McSherry F, Lipp E, Brickhouse A, Massey W, Friedman HS, Alderson LM, Desjardins A, Ranjan T, Peters KB, Friedman HS, Vredenburgh JJ, Ranjan T, Desjardins A, Peters KB, Alderson L, Kirkpatrick J, Herndon J, Bailey L, Sampson J, Friedman AH, Friedman H, Vredenburgh J, Welch MR, Omuro A, Grommes C, Westphal M, Bach F, Reuter D, Ronellenfitsch M, Steinbach J, Pietsch T, Connelly J, Hamza MA, Puduvalli V, Neal ML, Trister AD, Ahn S, Bridge C, Lange J, Baldock A, Rockne R, Mrugala M, Rockhill JK, Lai A, Cloughesy T, Swanson KR, Neuwelt AJ, Nguyen TM, Tyson RM, Nasseri M, Neuwelt EA, Bubalo JS, Barnes PD, Phuphanich S, Hu J, Rudnick J, Chu R, Yu J, Naruse R, Ljubimova J, Sanchez C, Guevarra A, Naor R, Black K, Mahta A, Bhavsar TM, Herath K, Huang C, McClain J, Rizzo K, Sheehan J, Chamberlain M, Glantz M, McClain J, Glantz MJ, Zoccoli C, Nicholas MK, Xie T, White D, Liker S, Gajewski T, Selfridge J, Piccioni DE, Zurayk M, Mody R, Quan J, Li S, Chen W, Chou A, Liau L, Green R, Cloughesy T, Lai A, Gomez-Molinar V, Ruiz-Gonzalez S, Valdez-Vazquez R, Arrieta O, Stenner JI. CLIN-NEURO/MEDICAL ONCOLOGY. Neuro Oncol 2012. [DOI: 10.1093/neuonc/nos229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
26
|
Moon Y, Joo J, Kim J, Lee Y. Corrigendum. Br J Anaesth 2012. [DOI: 10.1093/bja/aes167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
|
27
|
Moon YE, Joo J, Kim JE, Lee Y. Anti-emetic effect of ondansetron and palonosetron in thyroidectomy: a prospective, randomized, double-blind study. Br J Anaesth 2012; 108:417-22. [PMID: 22277663 DOI: 10.1093/bja/aer423] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Palonosetron is a new potent 5-hydroxytryptamine 3 antagonist. Although this drug is thought to be more effective in patients receiving opioid-based patient-controlled analgesia (PCA), clinical data are lacking. This study compared the effects of i.v. ondansetron and palonosetron administered at the end of surgery in preventing postoperative nausea and vomiting (PONV) in high-risk patients receiving i.v. PCA after thyroidectomy. METHODS A total of 100 female non-smoking subjects were randomly assigned into a palonosetron group or an ondansetron group. Ondansetron was given as an 8 mg bolus and 16 mg was added to the i.v. PCA mixture. In the palonosetron group, 0.075 mg was injected as a bolus only. Fentanyl-based PCA was provided for 24 h after operation. The incidence of nausea and vomiting, severity of nausea, requirement for rescue anti-emetics, and adverse effects were evaluated during 0-2 and 2-24 h. RESULTS The incidence of PONV during the 24 h postoperative period was lower in the palonosetron group than in the ondansetron group (42% vs 62%, P=0.045). No differences were observed between the groups during the first 2 h. However, the incidence of nausea and vomiting and nausea severity were significantly lower in the palonosetron group than in the ondansetron group during 2-24 h. The only difference in the use of rescue anti-emetics was at 2-24 h (10% with palonosetron compared with 28% with ondansetron, P=0.02). CONCLUSIONS Palonosetron is more effective than ondansetron for high-risk patients receiving fentanyl-based PCA after thyroidectomy, especially 2-24 h after surgery.
Collapse
Affiliation(s)
- Y E Moon
- Department of Anaesthesiology and Pain Medicine, Seoul St Mary' s Hospital, Catholic University College of Medicine, Seoul, Republic of Korea
| | | | | | | |
Collapse
|
28
|
Schaller RD, Crooker SA, Bussian DA, Pietryga JM, Joo J, Klimov VI. Revealing the exciton fine structure of PbSe nanocrystal quantum dots using optical spectroscopy in high magnetic fields. Phys Rev Lett 2010; 105:067403. [PMID: 20868011 DOI: 10.1103/physrevlett.105.067403] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2010] [Indexed: 05/29/2023]
Abstract
We measure the photoluminescence lifetime τ of excitons in colloidal PbSe nanocrystals (NCs) at low temperatures to 270 mK and in high magnetic fields to 15 T. For all NCs, τ increases sharply below 10 K but saturates by 500 mK. In contrast to the usual picture of well-separated "bright" and "dark" exciton states (found, e.g., in CdSe NCs), these dynamics fit remarkably well to a system having two exciton states with comparable--but small--oscillator strengths that are separated by only 300-900 μeV depending on NC size. Importantly, magnetic fields reduce τ below 10 K, consistent with field-induced mixing between the two states. Magnetic-circular dichroism studies reveal exciton g factors from 2-5, and magnetophotoluminescence shows >10% circularly polarized emission.
Collapse
Affiliation(s)
- R D Schaller
- Chemistry Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | | | | | | | | | | |
Collapse
|
29
|
Joo J, Kim J, Lee J. The prevalence of anatomical variations that can cause inadvertent dural puncture when performing caudal block in Koreans: a study using magnetic resonance imaging. Anaesthesia 2009; 65:23-6. [PMID: 19922508 DOI: 10.1111/j.1365-2044.2009.06168.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The purpose of this study was to investigate the prevalence of the anatomical abnormalities that can induce inadvertent dural puncture when performing caudal block. The anatomy of the lumbo-sacral area was evaluated using magnetic resonance imaging. In 2462 of the 2669 patients imaged, the dural sac terminal was located between the upper half of the 1st sacral vertebra and the lower half of the 2nd sacral vertebra. In 22 cases (0.8%), the dural sac terminal and the spinal canal were located at or below the 3rd sacral vertebra, and these were cases of simple anatomical variations. As regards pathologic conditions, there was one case of sacral meningocoele and 46 cases of sacral perineural cyst. In 21 cases (0.8%) out of the 46 perineural cyst cases, the cyst could be found at or below the 3rd sacral vertebra level. Inadvertent dural puncture may happen when performing caudal block in patients with such abnormal anatomy.
Collapse
Affiliation(s)
- J Joo
- The Catholic University of Korea, School of Medicine, Department of Anesthesiology, Seoul Saint Mary's Hospital, Seoul, Korea
| | | | | |
Collapse
|
30
|
Song J, Chung H, Lee H, Chun J, Byun H, Joo J. UP-3.194: The Outcome of TURP on Lower Urinary Tract Symptoms According to Shape of Prostate. Urology 2009. [DOI: 10.1016/j.urology.2009.07.1335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
31
|
Park MK, Fontana, Babaali H, Gilbert-McClain LI, Stylianou M, Joo J, Moss J, Manganiello VC. Steroid-sparing effects of pentoxifylline in pulmonary sarcoidosis. Sarcoidosis Vasc Diffuse Lung Dis 2009; 26:121-31. [PMID: 20560292 PMCID: PMC2946799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
BACKGROUND Agents that target pro-inflammatory cytokines may be useful in pulmonary sarcoidosis. OBJECTIVE To determine effectiveness of a non-selective cyclic nucleotide phosphodiesterase (PDE) inhibitor, pentoxifylline (POF). DESIGN Randomized, double-blind, placebo-controlled trial, SETTING Clinical Research Center, National Institutes of Health. PATIENTS 27 patients with biopsy-confirmed pulmonary sarcoidosis receiving prednisone. INTERVENTION Placebo or POF (1200-2000 mg/day) for 10 months, as prednisone was tapered. MEASUREMENTS Primary endpoints: sustained improvement in two or more pulmonary function parameters, or a combination of one pulmonary function parameter and dyspnea. RESULTS Except for one patient, primary endpoints were not reached in POF-treated patients. Therefore, a post hoc analysis was performed. The observed relative risk reduction for flares associated with POF treatment was 54.9% (95% CI 0.21, 0.89) and the absolute risk reduction was 50.6% (95% CI 0.22, 0.80). Compared to placebo treatment, in the POF group, the mean prednisone dose was lower at 8 and 10 months (p = 0.007 and 0.01 respectively), and there was a trend towards less prednisone usage over the entire study period (p = 0.053), as determined by cumulative change analysis. CONCLUSIONS Although our exploratory post hoc analysis suggested that POF reduced flares and had steroid-sparing effects, given the study limitations, definitive conclusions cannot be drawn regarding the efficacy of POF in pulmonary sarcoidosis. In addition, gastrointestinal side-effects, at the doses used, would seem to limit the use of POF in treating pulmonary sarcoidosis. Overall, however, this trial may provide a basis for using more specific, better-tolerated, PDE inhibitors in future clinical trials.
Collapse
Affiliation(s)
- M K Park
- Translational Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892-1434, USA
| | | | | | | | | | | | | | | |
Collapse
|
32
|
Zwerner JP, Joo J, Warner KL, Christensen L, Hu-Lieskovan S, Triche TJ, May WA. The EWS/FLI1 oncogenic transcription factor deregulates GLI1. Oncogene 2007; 27:3282-91. [DOI: 10.1038/sj.onc.1210991] [Citation(s) in RCA: 100] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
33
|
Joo J, Lee CY, Song HG, Kim JW, Jang KS, Oh EJ, Epstein AJ. Enhancement of Electromagnetic Interference Shielding Efficiency of Polyaniline through Mixture and Chemical Doping. ACTA ACUST UNITED AC 2006. [DOI: 10.1080/10587259808044529] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- J. Joo
- a Department of Physics , Korea University , Seoul , 136-701 , Korea
| | - C. Y. Lee
- a Department of Physics , Korea University , Seoul , 136-701 , Korea
| | - H. G. Song
- a Department of Physics , Korea University , Seoul , 136-701 , Korea
| | - J W Kim
- b Mando Machinery Corporation , Namyangju , 472-900 , Korea
| | - K. S. Jang
- c Department of Chemistry , Myongji University , Yongin , 449-728 , Korea
| | - E. J. Oh
- c Department of Chemistry , Myongji University , Yongin , 449-728 , Korea
| | - A. J. Epstein
- d Department of Physics , The Ohio State University , Columbus , Ohio , 43210 , USA
| |
Collapse
|
34
|
Sung Y, Han M, Song K, Jung J, Lee H, Kum C, Joo J, Kim W. Rheological and electrical properties of polycarbonate/multi-walled carbon nanotube composites. POLYMER 2006. [DOI: 10.1016/j.polymer.2006.04.008] [Citation(s) in RCA: 152] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
35
|
Lee CY, Lee DE, Hong YK, Shim JH, Jeong CK, Joo J, Zang DS, Shim MG, Lee JJ, Cha JK, Yang HG. Matrix formalism of electromagnetic wave propagation through multiple layers in the near-field region: application to the flat panel display. Phys Rev E Stat Nonlin Soft Matter Phys 2003; 67:046605. [PMID: 12786507 DOI: 10.1103/physreve.67.046605] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2001] [Revised: 11/19/2002] [Indexed: 05/24/2023]
Abstract
We have developed an electromagnetic (EM) wave propagation theory through a single layer and multiple layers in the near-field and far-field regions, and have constructed a matrix formalism in terms of the boundary conditions of the EM waves. From the shielding efficiency (SE) against EM radiation in the near-field region calculated by using the matrix formalism, we propose that the effect of multiple layers yields enhanced shielding capability compared to a single layer with the same total thickness in conducting layers as the multiple layers. We compare the intensities of an EM wave propagating through glass coated with conducting indium tin oxide (ITO) on one side and on both sides, applying it to the electromagnetic interference (EMI) shielding filter in a flat panel display such as a plasma display panel (PDP). From the measured intensities of EMI noise generated by a PDP loaded with ITO coated glass samples, the two-side coated glass shows a lower intensity of EMI noise compared to the one-side coated glass. The result confirms the enhancement of the SE due to the effect of multiple layers, as expected in the matrix formalism of EM wave propagation in the near-field region. In the far-field region, the two-side coated glass with ITO in multiple layers has a higher SE than the one-side coated glass with ITO, when the total thickness of ITO in both cases is the same.
Collapse
Affiliation(s)
- C Y Lee
- Department of Physics, Korea University, Seoul 136-701, Korea
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
36
|
|
37
|
Wang YZ, Joo J, Hsu CH, Pouget JP, Epstein AJ. Charge Transport of Hydrochloric Acid Doped Polyaniline and Poly(o-toluidine) Fibers: Role of Processing. Macromolecules 2002. [DOI: 10.1021/ma00098a047] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
38
|
Lee CY, Lee DE, Jeong CK, Hong YK, Shim JH, Joo J, Kim MS, Lee JY, Jeong SH, Byun SW, Zang DS, Yang HG. Electromagnetic interference shielding by using conductive polypyrrole and metal compound coated on fabrics. POLYM ADVAN TECHNOL 2002. [DOI: 10.1002/pat.227] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
|
39
|
Joo J, Lee JK, Lee SY, Jang KS, Oh EJ, Epstein AJ. Physical Characterization of Electrochemically and Chemically Synthesized Polypyrroles. Macromolecules 2000. [DOI: 10.1021/ma991418o] [Citation(s) in RCA: 113] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- J. Joo
- Department of Physics and Center for Electro & Photo Responsive Molecules, Korea University, Seoul 136-701, Korea
| | | | | | | | | | - A. J. Epstein
- Department of Physics and Department of Chemistry, The Ohio State University, Columbus, Ohio 43210-1106
| |
Collapse
|
40
|
Joo J, Lee JK, Hong JK, Baeck JS, Lee WP, Epstein AJ, Jang KS, Suh JS, Oh EJ. Charge Transport and Spin Dynamics of Chemically Synthesized Polypyrrole Soluble in Organic Solvents. Macromolecules 1998. [DOI: 10.1021/ma970508v] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | | | | | - W. P. Lee
- Department of Physics, The Ohio State University, Columbus, Ohio 43210
| | - A. J. Epstein
- Department of Physics and Department of Chemistry, The Ohio State University, Columbus, Ohio 43210-1106
| | | | | | | |
Collapse
|
41
|
Kohlman RS, Joo J, Min YG, MacDiarmid AG, Epstein AJ. Crossover in Electrical Frequency Response through an Insulator-Metal Transition. Phys Rev Lett 1996; 77:2766-2769. [PMID: 10062040 DOI: 10.1103/physrevlett.77.2766] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
|
42
|
Joo J, Du G, Prigodin VN, Tsukamoto J, Epstein AJ. Metallic microwave dielectric response of polyacetylene. Phys Rev B Condens Matter 1995; 52:8060-8063. [PMID: 9979803 DOI: 10.1103/physrevb.52.8060] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
43
|
Kohlman RS, Joo J, Wang YZ, Pouget JP, Kaneko H, Ishiguro T, Epstein AJ. Drude Metallic Response of Polypyrrole. Phys Rev Lett 1995; 74:773-776. [PMID: 10058844 DOI: 10.1103/physrevlett.74.773] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
|
44
|
Wang YZ, Joo J, Hsu C, Pouget JP, Epstein AJ. Charge delocalization in poly(o-toluidine) fibers. Phys Rev B Condens Matter 1994; 50:16811-16816. [PMID: 9976075 DOI: 10.1103/physrevb.50.16811] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
45
|
Joo J, Prigodin VN, Min YG, MacDiarmid AG, Epstein AJ. Phonon-induced nonmetal-metal transition of a doped polyaniline. Phys Rev B Condens Matter 1994; 50:12226-12229. [PMID: 9975376 DOI: 10.1103/physrevb.50.12226] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
46
|
Joo J, Singh J, Warzynski T, Grow A, Poeppel R. Role of silver addition on mechanical and superconducting properties of high-Tc superconductors. ACTA ACUST UNITED AC 1994. [DOI: 10.1016/0964-1807(94)90087-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
47
|
Joo J, Oblakowski Z, Du G, Pouget JP, Oh EJ, Wiesinger JM, Min Y, MacDiarmid AG, Epstein AJ. Microwave dielectric response of mesoscopic metallic regions and the intrinsic metallic state of polyaniline. Phys Rev B Condens Matter 1994; 49:2977-2980. [PMID: 10011146 DOI: 10.1103/physrevb.49.2977] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|