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Huang E, Zhang Y, Sun L, Zhu Y, Tang S, Mo C, Zhao B, Lu H. swnk plays an important role in the biosynthesis of swainsonine in Metarhizium anisopliae. Biotechnol Lett 2023; 45:509-519. [PMID: 36708459 DOI: 10.1007/s10529-023-03356-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/10/2023] [Accepted: 01/13/2023] [Indexed: 01/29/2023]
Abstract
OBJECTIVE Swainsonine (SW) is the principal toxic ingredient of locoweeds, and is produced by multiple fungi. A key enzyme in the SW synthesis pathway is a hybrid swnk/nrps. To analyze the role of swnk in the SW biosynthesis pathway of Metarhizium anisopliae. RESULTS The concentration of SW and the swnk expression in M. anisopliae fermentation from 1st to 7th day were determined using LC-MS and RT-qPCR, respectively. M. anisopliae had the highest SW content and swnk expression on the 5th day of fermentation; Mutant strain (MT) were obtained by PEG-mediated homologous recombination (HR) which knocked out swnk in the wild-type (WT) strain. Complemented-type (CT) strain were obtained by transforming a modified PUC19 complementation vector containing the geneticin (G418) resistance gene and swnK. SW was not detected in the MT strain and reverted to its original level in the CT strain; A Psilent-1 plasmid with Benomyl (ben)-resistant that was used interfered with swnk of WT strain. The level of SW was markedly diminished in the RNAi strain. RNAi of swnk affects the formation of the cell wall in M. anisopliae. CONCLUSION These results indicate that swnk plays a crucial role in the SW biosynthesis of M. anisopliae.
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Affiliation(s)
- Enxia Huang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yu Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Lu Sun
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yiru Zhu
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Shiyu Tang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Chonghui Mo
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016, Qinghai, China
| | - Baoyu Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Hao Lu
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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Tran JT, Gevorkyan R, Huang E, Wilson R, Greenfield S, Huynh L, Ahlering T. Incidence of cardiovascular events in men with BCR following a radical prostatectomy: ADT versus no ADT. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01240-x] [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: 02/12/2023]
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Deng J, Zhou F, Ali S, Heybati K, Hou W, Huang E, Wong CY. Correction to: Efficacy and safety of ivermectin for the treatment of COVID-19: a systematic review and meta-analysis. QJM 2022; 115:706. [PMID: 35325252 DOI: 10.1093/qjmed/hcac072] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Lim YY, Kong J, Maruff P, Jaeger J, Huang E, Ratti E. Longitudinal Cognitive Decline in Patients With Mild Cognitive Impairment or Dementia Due to Alzheimer's Disease. J Prev Alzheimers Dis 2022; 9:178-183. [PMID: 35098989 DOI: 10.14283/jpad.2021.64] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Sensitive cognitive assessments accurately detect and track cognitive decline in Alzheimer's disease. The Cogstate battery was used to measure cognitive change in cognitively normal participants and in individuals with mild cognitive impairment and mild Alzheimer's disease enrolled in the Australian Imaging, Biomarker and Lifestyle Rate of Change Substudy. Over 18 months, verbal episodic memory performance declined for mild cognitive impairment and mild Alzeheimer's disease groups when compared to cognitively normal participants. Frequent assessments of episodic memory may facilitate early detection of cognitive decline due to Alzheimer's disease.
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Affiliation(s)
- Y Y Lim
- Yen Ying Lim, Turner Institute for Brain and Mental Health, 18 Innovation Walk, Clayton VIC 3168, Australia, , Ph: +61 4 3387 3222
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Huynh L, Huang E, Choi E, Yafi F. Is immediate preoperative blood glucose or hemoglobin A1c a risk factor for infection following penile prosthesis placement? A systematic review of literature. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.443] [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: 11/26/2022]
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Huynh L, Keit E, Huang E, Carillo R, Ahlering T, Boyle S, Enke C, Baine M. PD-0573 Protective Effect of Metformin for Biochemical Failure post Radical Prostatectomy or Radiation. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)02888-2] [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: 10/18/2022]
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Huynh L, Keit E, Carrillo R, Huang E, Ahlering T, Boyle S, Enke C, Baine M. PO-1395 Impact of Statin Use on Biochemical Failure following Radical Prostatectomy or Radiation Therapy. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)03359-x] [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: 10/18/2022]
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Huang E, Zheng X, Fang Y, Zhang Z. Classification of Motor Imagery EEG Based on Time-Domain and Frequency-Domain Dual-Stream Convolutional Neural Network. Ing Rech Biomed 2022. [DOI: 10.1016/j.irbm.2021.04.004] [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]
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Liu X, Wang J, Huang E, Li B, Zhang S, Wang W, Guo Z, Wu K, Zhang Y, Zhao B, Lu H. Metabolomics analysis of three Artemisia species in the Tibet autonomous region of China. BMC Plant Biol 2022; 22:118. [PMID: 35291945 PMCID: PMC8922784 DOI: 10.1186/s12870-022-03513-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 06/07/2021] [Accepted: 03/08/2022] [Indexed: 05/05/2023]
Abstract
BACKGROUND The Artemisia species are widely distributed around the world, and have found important usage in traditional medicinal practice. This study was designed to investigate the metabolites of Tibetan Artemisia species and understand the metabolic pathways. METHODS The metabolites from three Artemisia species in Tibet, were analyzed using LC-MS/MS. The differential metabolites were classified and analyzed by principal component analysis (PCA), partial least squares analysis and hierarchical clustering. KEGG Pathway enrichment analysis was used to identify the key metabolic pathways involved in the differential metabolites of three Artemisia species. RESULT The metabolites of three Artemisia species were analyzed. Under the positive ion mode in LC-MS/MS, 262 distinct metabolites were differentially detected from Artemisia sieversiana and Artemisia annua, 312 differential metabolites were detected from Artemisia wellbyi and Artemisia sieversiana, 306 differential metabolites were screened from Artemisia wellbyi and Artemisia annua. With the negative ion mode, 106 differential metabolites were identified from Artemisia sieversiana and Artemisia annua, 131 differential metabolites were identified from Artemisia wellbyi and Artemisia sieversiana,133 differential metabolites were differentially detected from Artemisia wellbyi and Artemisia annua. The selected differential metabolites were mainly organic acids and their derivatives, ketones, phenols, alcohols and coumarins. Among these natural compounds, artemisinin, has the highest relative content in Artemisia annua. CONCLUSIONS This is the first reported attempt to comparatively determine the types of the metabolites of the three widely distributed Artemisia species in Tibet. The information should help medicinal research and facilitate comprehensive development and utilization of Artemisia species in Tibet.
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Affiliation(s)
- Xinyu Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Jinglong Wang
- Tibet Academy of Agricultural and Animal Husbandry Sciences/State Key Laboratory of Barley and Yak Germplasm Resources and Genetic Improvement, Lhasa, 850002, Tibet, China
| | - Enxia Huang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Bo Li
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Shuhang Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Weina Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Ziyu Guo
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Kexin Wu
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yunhao Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Baoyu Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Hao Lu
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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Huang E, Huynh L, Gordon A, Chandhoke R, Morales B, Skarecky D, Tran J, Ahlering T. Validation of prostate specific antigen doubling time kinetics following radical prostatectomy to guide active observation and intervention. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00282-2] [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]
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Huang E, Huynh L, Gordon A, Chandhoke R, Morales B, Skarecky D, Tran J, Ahlering T. Active observation of biochemical recurrence without treatment following radical prostatectomy: Long term analysis of outcomes. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00286-x] [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: 11/25/2022]
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Deng J, Zhou F, Ali S, Heybati K, Hou W, Huang E, Wong CY. Efficacy and safety of ivermectin for the treatment of COVID-19: a systematic review and meta-analysis. QJM 2021; 114:721-732. [PMID: 34570241 PMCID: PMC8500108 DOI: 10.1093/qjmed/hcab247] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Ivermectin became a popular choice for COVID-19 treatment among clinicians and the public following encouraging results from pre-print trials and in vitro studies. Early reviews recommended the use of ivermectin based largely on non-peer-reviewed evidence, which may not be robust. This systematic review and meta-analysis assessed the efficacy and safety of ivermectin for treating COVID-19 based on peer-reviewed randomized controlled trials (RCTs) and observational studies (OSs). METHODS MEDLINE, EMBASE and PubMed were searched from 1 January 2020 to 1 September 2021 for relevant studies. Outcomes included time to viral clearance, duration of hospitalization, mortality, incidence of mechanical ventilation and incidence of adverse events. RoB2 and ROBINS-I were used to assess risk of bias. Random-effects meta-analyses were conducted. GRADE was used to evaluate quality of evidence. RESULTS Three OSs and 14 RCTs were included in the review. Most RCTs were rated as having some concerns in regards to risk of bias, while OSs were mainly rated as having a moderate risk of bias. Based on meta-analysis of RCTs, the use of ivermectin was not associated with reduction in time to viral clearance, duration of hospitalization, incidence of mortality and incidence of mechanical ventilation. Ivermectin did not significantly increase incidence of adverse events. Meta-analysis of OSs agrees with findings from RCT studies. CONCLUSIONS Based on very low to moderate quality of evidence, ivermectin was not efficacious at managing COVID-19. Its safety profile permits its use in trial settings to further clarify its role in COVID-19 treatment. PROTOCOL REGISTRATION The review was prospectively registered in PROSPERO (CRD42021275302).
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Affiliation(s)
- J Deng
- From the Faculty of Health Sciences, McMaster University, 1280 Main St W, Hamilton, ON L8S 4L8, Canada
| | | | | | - K Heybati
- Mayo Clinic Alix School of Medicine, Mayo Clinic, 200 1st St SW, Rochester, MN 55905, USA
| | | | - E Huang
- School of Medicine, University of Ottawa, 75 Laurier Ave. E, Ottawa, ON K1N 6N5, Canada
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Cho B, Rodriguez-Abreu D, Hussein M, Cobo M, Patel A, Secen N, Gerstner G, Kim DW, Lee YG, Su WC, Huang E, Patil N, Huang M, Zhang Z, Wen X, Mendus D, Hoang T, Meng R, Johnson M. LBA2 Updated analysis and patient-reported outcomes (PROs) from CITYSCAPE: A randomised, double-blind, phase II study of the anti-TIGIT antibody tiragolumab + atezolizumab (TA) versus placebo + atezolizumab (PA) as first-line treatment for PD-L1+ NSCLC. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.10.217] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Wu M, Chen P, Huang E, Chen Y, Kang P, Wu C, Chuo C, Huang S. Can Low-iodine Low-radiation Dose Ct Aortagram Reliability Detect The Endoleak In Endovascular Aneurysm Repair Of Aorta? J Cardiovasc Comput Tomogr 2021. [DOI: 10.1016/j.jcct.2021.06.188] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Wu M, Huang E, Lin H, Chen Y, Mar G, Yen C, Huang Y, Tsao S, Yu-Jeng J, Kicska G. Ct Radiomics Of Coronary Artery Calcification Distinguish Vulnerable Plaques In Acute Coronary Syndrome- A Propensity-matched Study With Asymptomatic Subjects With Same Calcified Plaque Burden. J Cardiovasc Comput Tomogr 2021. [DOI: 10.1016/j.jcct.2021.06.231] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Ahlering T, Huang E, Huynh L, Su HW. Post radical prostatectomy radiation therapy with androgen deprivation therapy does not improve 10-Year overall and prostate cancer specific mortality compared to androgen deprivation therapy alone. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)01592-x] [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: 10/20/2022]
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Huang E, Liang K, Huynh L, Zhang W, Ahlering T. Salvage pelvic lymph node dissection of locally recurrent prostate cancer after radical prostatectomy can delay the need for systemic interventions. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)01560-8] [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: 10/20/2022]
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Campbell EP, Hussein WE, Huang E, Yousef AE. Enhancing titre and production stability of paenibacillin from Paenibacillus polymyxa by sequential drug resistance screening. J Appl Microbiol 2021; 131:2876-2885. [PMID: 34048127 DOI: 10.1111/jam.15165] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [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: 10/13/2020] [Revised: 05/08/2021] [Accepted: 05/23/2021] [Indexed: 11/29/2022]
Abstract
AIMS Paenibacillin is a naturally biosynthesized antimicrobial lantibiotic peptide which is produced by wild-type Paenibacillus polymyxa OSY-DF in low but detectable levels. The aim was to increase paenibacillin titre and production consistency through sequential drug resistance screening. METHODS AND RESULTS Spontaneous mutants of P. polymyxa OSY-DF were isolated by subjecting the bacterium to two rounds of screening for resistance to rifampicin, which targets RNA polymerase, and gentamicin, which targets ribosomes. Changes in antimicrobial production of the mutants were monitored using a bioassay method. A spontaneous mutant, P. polymyxa OSY-EC, capable of producing high paenibacillin titre, was selected and compared phenotypically to the wild-type strain. The mutant was found to produce paenibacillin at five-fold higher titre than the wild type. The mutant constantly produced paenibacillin while the wild type produced the antimicrobial agent variably. Fourier transformation mid-infrared spectroscopy revealed an interclass distance of 6·4 between the wild type and the mutant strain, suggesting significant phenotypic change during the mutation. CONCLUSIONS P. polymyxa OSY-EC, a spontaneous mutant capable of consistent production of high paenibacillin titre, was isolated from the wild type after sequential screening on rationally selected antibiotics. SIGNIFICANCE AND IMPACT OF THE STUDY The study will help make paenibacillin available for large-scale testing by interested researchers and industries seeking applications that improve food safety and quality.
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Affiliation(s)
- E P Campbell
- Department of Food Science and Technology, The Ohio State University, Columbus, OH, USA
| | - W E Hussein
- Department of Food Science and Technology, The Ohio State University, Columbus, OH, USA
| | - E Huang
- Department of Food Science and Technology, The Ohio State University, Columbus, OH, USA
| | - A E Yousef
- Department of Food Science and Technology, The Ohio State University, Columbus, OH, USA.,Department of Microbiology, The Ohio State University, Columbus, OH, USA
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Rezaee M, Huang E, Morcos M, Quon H, Ponce Kiess A, Correa Z, Hobbs R. PP-0149 Dosimetry of Intraocular Tumors with Small Apical Heights Using I-125 Plaques. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)06441-0] [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]
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Huynh L, Huang E, Choi E, El-Khatib F, Yafi F. 153 Is Immediate Preoperative Blood Glucose or Hemoglobin a1c a Risk Factor for Infection Following Penile Prosthesis Placement? A Systematic Review of Literature. J Sex Med 2021. [DOI: 10.1016/j.jsxm.2021.01.008] [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]
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Raez L, Danenberg K, Huang E, Usher J, Danenberg P, Sumarriva D. P14.04 cfRNA from Liquid Biopsies Is More Abundant Than cfDNA, Informs Treatment Outcome and Is Concordant with Tissue. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Huang X, Yoder PS, Campos L, Huang E, Hanigan MD. A method of assessing essential amino acid availability from microbial and ruminally undegraded protein in lactating dairy cows. J Dairy Sci 2020; 104:1777-1793. [PMID: 33309365 DOI: 10.3168/jds.2020-18248] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Accepted: 09/10/2020] [Indexed: 11/19/2022]
Abstract
The objective of this study was to extend a stable isotope-based assessment of AA absorption from rumen-degradable protein (RDP) sources to include determination of essential AA (EAA) availability from microbial protein (MCP). To demonstrate the technique, a study using a 2 × 2 factorial arrangement of treatments applied in a repeated 4 × 4 Latin square design was undertaken. Factors were high and low rumen-degradable protein and high and low starch. Twelve lactating cows were blocked into 3 groups according to days in milk and randomly assigned to the 4 treatment sequences. Each period was 14 d in length with 10 d of adaption followed by 4 d of ruminal infusions of 15N-labeled ammonium sulfate. On the last day of each period, a 13C-labeled AA mixture was infused into the jugular vein over a 6-h period to assess total AA entry. Rumen, blood, urine, and milk samples were collected during the infusions. Ruminal bacteria and blood samples were assessed for AA enrichment. Total plasma AA absorption rates were derived for 6 EAA from plasma 13C AA enrichment. Absorption of 6 EAA from MCP was calculated from total AA absorption based on 15N enrichment in blood and rumen bacteria. Essential AA absorption rates from total protein, MCP, and rumen-undegradable protein were derived with standard errors of the mean of 6, 14, and 14%, respectively. An average of 45% of absorbed EAA were from MCP, which varied among 6 EAA and was interactively affected by starch and RDP in diets. Microbial AA availability measured by isotope dilution method increased with the high RDP diets and was unaffected by starch level, except for Met, which decreased with high starch. Microbial protein outflow, estimated from urinary purine derivatives, increased with RDP and was not significantly affected by starch. This was consistent with measurements from the isotope dilution method. Total AA absorption rates measured from isotope dilution were similar to estimates from CNCPS (v. 6.55), but a lower proportion of absorbed AA was derived from MCP for the former method. Compared with the isotope and CNCPS estimates, the Fleming model underestimated microbial EAA and total EAA availability. An average of 58% of the absorbed EAA was converted into milk, which varied among individual AA and was interactively affected by starch and RDP in diets. The isotope dilution approach is advantageous because it provides estimates of EAA availability for individual EAA from rumen-undegradable protein and MCP directly with fewer errors of measurement than can be achieved with intestinal disappearance methods.
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Affiliation(s)
- X Huang
- Department of Dairy Science, Virginia Tech, Blacksburg 24061
| | - P S Yoder
- Department of Dairy Science, Virginia Tech, Blacksburg 24061; Perdue AgriBusiness LLC, Salisbury, MD 21804
| | - L Campos
- Department of Dairy Science, Virginia Tech, Blacksburg 24061
| | - E Huang
- Department of Dairy Science, Virginia Tech, Blacksburg 24061
| | - M D Hanigan
- Department of Dairy Science, Virginia Tech, Blacksburg 24061.
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Miller E, Diaz Pardo D, Arnett A, Huang E, Gasior A, Malalur P, Chen H, Williams T, Bazan J. Identifying Patterns of Care for Elderly Patients with Localized Anal Cancer. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1861] [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]
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Huang E, Juan K, Lan J, Juan Y, Juang P, Yao C, Chang Y. PO-1306: Pilot study: Characteristics of N-isopropyl acrylamide polymer gel dosimetry with proton beam. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)01324-4] [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: 10/22/2022]
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McNaughton J, Roberts M, Smith B, Carlson A, Mathesius C, Roper J, Zimmermann C, Walker C, Huang E, Herman R. Evaluation of broiler performance and carcass yields when fed diets containing maize grain from transgenic product DP-2Ø2216-6. J APPL POULTRY RES 2020. [DOI: 10.1016/j.japr.2020.05.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Huang E, Alcorn S, McNutt T, Souranis A, Yankey M, Pinkney G, Asrari F, Croog T, Stinson S, Wright J. Use of Partial Cone Beam CT (pCBCT) Reduces Total Setup Images and Estimated Radiation Exposure for Breast Radiation Verification Simulation. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.822] [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: 11/25/2022]
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Song R, Zhai Q, Sun L, Huang E, Zhang Y, Zhu Y, Guo Q, Tian Y, Zhao B, Lu H. CRISPR/Cas9 genome editing technology in filamentous fungi: progress and perspective. Appl Microbiol Biotechnol 2019; 103:6919-6932. [PMID: 31332488 PMCID: PMC6690858 DOI: 10.1007/s00253-019-10007-w] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 06/28/2019] [Accepted: 07/01/2019] [Indexed: 12/16/2022]
Abstract
Filamentous fungi play an important role in human health and industrial/agricultural production. With the increasing number of full genomes available for fungal species, the study of filamentous fungi has brought about a wider range of genetic manipulation opportunities. However, the utilization of traditional methods to study fungi is time consuming and laborious. Recent rapid progress and wide application of a versatile genome editing technology, i.e., the CRISPR (clustered regularly interspaced short palindromic repeat)-Cas9 (CRISPR-related nuclease 9) system, has revolutionized biological research and has many innovative applications in a wide range of fields showing great promise in research and application of filamentous fungi. In this review, we introduce the CRISPR/Cas9 genome editing technology focusing on its application in research of filamentous fungi and we discuss the general considerations of genome editing using CRISPR/Cas9 system illustrating vector construction, multiple editing strategies, technical consideration of different sizes of homology arms on genome editing efficiency, off-target effects, and different transformation methodologies. In addition, we discuss the challenges encountered using CRISPR/Cas9 technology and give the perspectives of future applications of CRISPR/Cas9 technology for basic research and practical application of filamentous fungi.
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Affiliation(s)
- Runjie Song
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Qing Zhai
- Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, 850000, Tibet, China
| | - Lu Sun
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Enxia Huang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yu Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yanli Zhu
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Qingyun Guo
- Qinghai Academy of Agriculture and Forestry Sciences, Qinghai University/Key Laboratory of Agricultural Integrated Pest Management, Qinghai Province/State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, 810016, Qinghai, China.
| | - Yanan Tian
- Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine, Texas A&M University, College Station, TX, 77843, USA
| | - Baoyu Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Hao Lu
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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Wang S, Wang J, Yang L, Guo R, Huang E, Yang H, Zhang Y, Sun L, Song R, Chen J, Tian Y, Zhao B, Guo Q, Lu H. Swainsonine induces autophagy via PI3K/AKT/mTOR signaling pathway to injure the renal tubular epithelial cells. Biochimie 2019; 165:131-140. [PMID: 31356846 DOI: 10.1016/j.biochi.2019.07.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [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: 03/21/2019] [Accepted: 07/22/2019] [Indexed: 11/29/2022]
Abstract
Swainsonine is a major toxic ingredients of locoweed plants, ingestion of these plants may cause locoism in livestock characterized by extensive cellular vacuolar degeneration of multiple tissues. However, so far, the mechanisms responsible for vacuolar degeneration induced by SW are not known. In this study, we investigated the role of autophagy in SW-induced TCMK-1 cells using Western blotting, transmission electron microscopy, immunofluorescent microscopy and qRT-PCR. The results showed that SW treatment increased the levels of LC3-II. The co-localization of LC3-II and lysosomal protein LAMP-2 results suggested that SW treatment does not interfere with fusion between autophagosome and lysosome. TEM results indicated that SW induced aggregation of the lysosome around the autophagosome. In addition, SW treatment suppressed p-PI3K, p-Akt, p-mTOR, p-p70S6K and p-4EBP1 level. In conclusion, SW induced autophagy via pI3K/AKT/mTOR signaling pathway and revealed the role of autophagy in causing the SW toxicity characterized by the vacuolar degeneration.
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Affiliation(s)
- Shuai Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Jinglong Wang
- State Key Laboratory of Barley and Yak Germplasm Resources and Genetic Improvement, Lhasa, Tibet, 850002, China
| | - Lin Yang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Rong Guo
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Enxia Huang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Hanqi Yang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yajing Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Lu Sun
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Runjie Song
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Jingshu Chen
- Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine, Texas A&M University, College Station, TX, 77843, USA
| | - Yanan Tian
- Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine, Texas A&M University, College Station, TX, 77843, USA
| | - Baoyu Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Qingyun Guo
- Key Laboratory of Agricultural Integrated Pest Management, Xining, Qinghai, 810016, China
| | - Hao Lu
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, 712100, China.
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Huang E, Kumar S, Moses D, Holloway L, Vinod S. PV-0205 Quantification of Changes in Lung Cancer during Radiotherapy: a comparison between CT and MRI. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)30625-5] [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: 11/29/2022]
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Waugh JLS, Huang E, Fraser JE, Beyer KB, Trinh A, Mcilroy WE, Kulic D. Online Learning of Gait Models From Older Adult Data. IEEE Trans Neural Syst Rehabil Eng 2019; 27:733-742. [PMID: 30872234 DOI: 10.1109/tnsre.2019.2904477] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
This paper proposes a novel approach for online, individualized gait analysis, based on an adaptive periodic model of any gait signal. The proposed method learns a model of the gait cycle during online measurement, using a continuous representation that can adapt to inter- and intra-personal variability by creating an individualized model. Once the algorithm has converged to the input signal, key gait events can be identified based on the estimated gait phase and amplitude. The approach is implemented and tested on retirement home resident 6 min walk (6MW) data using wearable accelerometers at the ankle. The proposed approach converges within approximately four gait cycles and achieves 3% error in detecting initial swing events.11 An early version of this work was presented in [1]. A more extensive description of related work and an extended method, including optimization of learning rates, were added to this paper. Further, this paper applies and evaluates the method to a new and much larger gait dataset taken from older adults who each have a variety of medical conditions. Therefore, the experimental protocol was also updated and the results are entirely novel.
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Neerukonda AR, Olopade OI, Huang E, Huo D. Abstract P1-08-05: Type 2 diabetes and survival outcomes among a multi-ethnic cohort of breast cancer patients. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p1-08-05] [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
BACKGROUND: With increasing prevalence of type 2 diabetes, it has become one of the common comorbidities among breast cancer patients. Few contemporary studies have examined the effect of preexisting diabetes on survival outcomes in breast cancer patients. Furthermore, both breast cancer mortality and diabetes prevalence are higher in African American women compared to Caucasian women, yet data on whether diabetes can explain racial disparity in breast cancer mortality is scarce.
OBJECTIVE: To compare clinopathological characteristics and survival outcomes between breast cancer patients with and without co-existing diabetes, and to explore the contribution of diabetes to breast cancer survival differences between African Americans and Caucasians.
METHODS: We analyzed data from the Chicago Multiethnic Epidemiologic Breast Cancer Cohort (ChiMEC) comprising of 3170 histologically confirmed breast cancer patients diagnosed between 2004 and 2017. The cohort consists of 55% Caucasians, 38% African Americans, and 7% other ethnicities. Cox models were used to analyze data on several clinical outcomes.
Table 1 Unadjusted HR (95% CI)pAdjusted HR (95% CI)*pAll-cause mortality2.20 (1.65-2.92)<0.0011.79 (1.33-2.43<0.001Breast Cancer-specific mortality1.61 (1.06-2.44)0.0251.97 (1.27-3.05)0.002Non-breast cancer mortality3.14 (2.11-4.69)<0.0011.62 (1.06-2.47)0.025Time to recurrence1.18 (0.76-1.85)0.461.41 (0.89-2.25)0.15Recurrence-free survival1.73 (1.32-2.26)<0.0011.68 (1.27-2.22)<0.001*Adjusted for age, race, stage, hormone therapy, and chemotherapy
RESULTS: 245 patients (8%) in the cohort had co-existing diabetes at time of breast cancer diagnosis, with African Americans having highest prevalence (14%). Patients with diabetes were older (mean 66 vs. 56 years old) and had higher proportion of obesity (67% vs. 34%) and Charlson comorbidity index >2 (27% vs. 10%) than those without diabetes. The two groups were similar in terms of surgery, radiation, and hormonal therapy received, while patients with diabetes had slightly more advanced stage (15% vs. 10%). After adjusting for multiple prognostic factors, patients with diabetes had a 97% higher risk of dying from breast cancer and a 62% fold higher risk dying from other causes than patients without diabetes (Table). The two groups had no significant difference in risk of recurrence. In addition, the hazard ratio (HR) comparing African Americans with Caucasians was 2.35 (95% confidence interval [CI] 1.90-2.91), and it changed to 2.19 (95% CI 1.76-2.33) after the adjustment for diabetes.
CONCLUSIONS: Pre-existing diabetes among breast cancer patients was associated with higher risk of breast cancer specific and all-cause mortality. About 11% of racial disparities in breast cancer mortality could be attributed to higher difference in diabetes prevalence in African American patients. Further research investigating how pre-existing diabetes may influence breast cancer treatment and survival are warranted.
Citation Format: Neerukonda AR, Olopade OI, Huang E, Huo D. Type 2 diabetes and survival outcomes among a multi-ethnic cohort of breast cancer patients [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 P1-08-05.
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Affiliation(s)
| | | | - E Huang
- University of Chicago, Chicago, IL
| | - D Huo
- University of Chicago, Chicago, IL
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Peng L, Chen L, Han P, Baker B, Shen C, Gui C, Sheikh K, Ames H, Kirschbaum T, Silvestri F, Son J, Robinson A, Huang E, Grimm J, Redmond K, Lim M, Lee J, Kleinberg L. Concurrent Immunotherapy Usage and Asymmetric Growth May Distinguish True Progression from Treatment Effect in Growing Brain Metastases after Stereotactic Radiosurgery. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.919] [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]
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Dominick C, Shepherd A, Kennedy V, Petersen M, Girda E, Huang E, Alvarez E. Genomic Profiling of Ovarian Squamous Cell Tumors to Drive Targeted Therapies. Gynecol Oncol 2017. [DOI: 10.1016/j.ygyno.2017.07.064] [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: 11/16/2022]
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Grimm J, Shen C, Redmond K, Sloan L, Hazell S, Chan L, Seo Y, Nikolaidis D, Moore J, Huang E, Quon H, Bettegowda C, Lim M, Kleinberg L. Low Risk of Symptomatic Radionecrosis Following Stereotactic Radiosurgery for Multiple Brain Metastases. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.774] [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: 10/18/2022]
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Skinner LC, Primeau F, Freeman E, de la Fuente M, Goodwin PA, Gottschalk J, Huang E, McCave IN, Noble TL, Scrivner AE. Radiocarbon constraints on the glacial ocean circulation and its impact on atmospheric CO 2. Nat Commun 2017; 8:16010. [PMID: 28703126 PMCID: PMC5511348 DOI: 10.1038/ncomms16010] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2016] [Accepted: 05/22/2017] [Indexed: 11/15/2022] Open
Abstract
While the ocean’s large-scale overturning circulation is thought to have been significantly different under the climatic conditions of the Last Glacial Maximum (LGM), the exact nature of the glacial circulation and its implications for global carbon cycling continue to be debated. Here we use a global array of ocean–atmosphere radiocarbon disequilibrium estimates to demonstrate a ∼689±53 14C-yr increase in the average residence time of carbon in the deep ocean at the LGM. A predominantly southern-sourced abyssal overturning limb that was more isolated from its shallower northern counterparts is interpreted to have extended from the Southern Ocean, producing a widespread radiocarbon age maximum at mid-depths and depriving the deep ocean of a fast escape route for accumulating respired carbon. While the exact magnitude of the resulting carbon cycle impacts remains to be confirmed, the radiocarbon data suggest an increase in the efficiency of the biological carbon pump that could have accounted for as much as half of the glacial–interglacial CO2 change. Establishing the efficiency of the biological carbon pump is needed to constrain the impact of ocean circulation on the carbon cycle. Here, the authors compile a global array of ocean–atmosphere radiocarbon disequilibrium estimates and evaluate the strength of the carbon pump over the last glacial maximum.
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Affiliation(s)
- L C Skinner
- Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, UK
| | - F Primeau
- Department of Earth System Science, University of California, Irvine, California 92697-3100, USA
| | - E Freeman
- Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, UK
| | - M de la Fuente
- Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, UK
| | - P A Goodwin
- National Oceanography Centre, University of Southampton, Southampton SO14 3ZH, UK
| | - J Gottschalk
- Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, UK.,Oeschger Center for Climate Change Research Institute for Geology University of Bern Baltzerstr. 1-3, 3012 Bern, Switzerland
| | - E Huang
- MARUM-Center for Marine Environmental Sciences and Faculty of Geosciences, University of Bremen, Bremen D-28359, Germany
| | - I N McCave
- Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, UK
| | - T L Noble
- Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania 7001, Australia
| | - A E Scrivner
- Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, UK
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Schaenman J, Korin Y, Sidwell T, Kandarian F, Harre N, Gjertson D, Lum E, Reddy U, Huang E, Pham P, Bunnapradist S, Danovitch G, Veale J, Gritsch H, Reed E. Increased Frequency of BK Virus-Specific Polyfunctional CD8+ T Cells Predict Successful Control of BK Viremia After Kidney Transplantation. Transplantation 2017; 101:1479-1487. [PMID: 27391197 PMCID: PMC5219876 DOI: 10.1097/tp.0000000000001314] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND BK virus infection remains an important cause of loss of allograft function after kidney transplantation. We sought to determine whether polyfunctional T cells secreting multiple cytokines simultaneously, which have been shown to be associated with viral control, could be detected early after start of BK viremia, which would provide insight into the mechanism of successful antiviral control. METHODS Peripheral blood mononuclear cells collected during episodes of BK viral replication were evaluated by multiparameter flow cytometry after stimulation by overlapping peptide pools of BK virus antigen to determine frequency of CD8+ and CD4+ T cells expressing 1 or more cytokines simultaneously, as well as markers of T-cell activation, exhaustion, and maturation. RESULTS BK virus controllers, defined as those with episodes of BK viremia of 3 months or less, had an 11-fold increase in frequency of CD8+ polyfunctional T cells expressing multiple cytokines, as compared with patients with prolonged episodes of BK viremia. Patients with only low level BK viremia expressed low frequencies of polyfunctional T cells. Polyfunctional T cells were predominantly of the effector memory maturation subtype and expressed the cytotoxicity marker CD107a. CONCLUSIONS Noninvasive techniques for immune assessment of peripheral blood can provide insight into the mechanism of control of BK virus replication and may allow for future patient risk stratification and customization of immune suppression at the onset of BK viremia.
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Affiliation(s)
- J.M. Schaenman
- Division of Infectious Diseases, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Y. Korin
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - T. Sidwell
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - F. Kandarian
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - N. Harre
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - D. Gjertson
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
- Department of Biostatistics, UCLA School of Public Health, Los Angeles, CA
| | - E. Lum
- Division of Nephrology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - U. Reddy
- Division of Nephrology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - E. Huang
- Division of Nephrology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - P.T. Pham
- Division of Nephrology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - S. Bunnapradist
- Division of Nephrology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - G. Danovitch
- Division of Nephrology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - J. Veale
- Department of Urology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - H.A. Gritsch
- Department of Urology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - E.F. Reed
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
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Mecerreyes D, Huang E, Magbitang T, Volksen W, Hawker CJ, Lee VY, Miller RD, Hedrick JL. Application of Hyperbranched Block Copolymers as Templates for the Generation of Nanoporous Organosilicates. HIGH PERFORM POLYM 2016. [DOI: 10.1088/0954-0083/13/2/302] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
A general route to organic–inorganic hybrids with nanophase morphologies has been elaborated with the objective of ultimately generating nanoporosity in organosilicates. Hyperbranched block copolymers prepared by either the sequential or concurrent polymerization of an ABC monomer ( γ-( ∊-caprolactone) 2-bromo-2-dimethylpropionate) with a BCD monomer (2-hydroxyethyl methacrylate) were used as the macromolecular templates. The two monomers, each polymerizing by different chemistries, for example ring-opening polymerization and atom transfer radical polymerization, bear initiating centres that are targeted for the functionality located on the accompanying monomer. Consequentially, a branched polymer is obtained which avoids the traditional multistep procedures. The branching density was altered simply by the addition of the appropriate AB ( ∊-caprolactone) and/or CD (methyl methacrylate) comonomers. These polymers were readily soluble initially in the organosilicate prepolymer (methyl silsesquioxane), however, upon the onset of crosslinking, both the solubility parameters and molecular weight of the organosilicate (polymethylsilsesquioxane) change, causing the hyperbranched polymer to phase separate by a nucleation and growth process. The organic polymer was selectively removed by thermolysis, producing a nanoporous inorganic structure. The size and shape of the pores are identical to those of the initial hybrid morphology. A significant reduction in the dielectric constant was achieved by simply replacing a portion of the glass matrix with air, which has a dielectric constant of 1.0.
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Affiliation(s)
| | | | | | | | | | | | | | - J L Hedrick
- IBM Research Division, Almaden Research Center, 650 Harry Road, San Jose, CA 95120, USA
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Girda E, Huang E, Leiserowitz G, Smith L. The Use of Tumor Organoid Culture For Drug Sensitivity Testing In Endometrial Cancer Is Feasible. Gynecol Oncol 2016. [DOI: 10.1016/j.ygyno.2016.08.261] [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]
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Di Nardo A, Holmes A, Muto Y, Huang E, Preston N, Winkelman W, Gallo R. 281 Doxycycline modified release (MR) capsules improve rosacea clinical outcomes by modifying antimicrobial peptide metabolism: Results of a multicenter, randomized, double blind, placebo controlled study of 170 adults with papulopustular rosacea. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.02.311] [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: 11/25/2022]
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Sawas A, Huang E, Vosswinkle J, McCormack J, Thode H, Singer A. 309 Predictors of Neurosurgical Interventions in Low Risk Patients With Isolated Traumatic Subarachnoid Hemorrhage. Ann Emerg Med 2015. [DOI: 10.1016/j.annemergmed.2015.07.345] [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: 11/26/2022]
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Huang E, Marlin RW, Medline A, Young SD, Daniels J, Klausner JD. P17.09 Cost-effectiveness of hiv self-testing promotion through grindr™, a smartphone social networking application. Sex Transm Infect 2015. [DOI: 10.1136/sextrans-2015-052270.587] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Huang E, Marlin RW, Medline A, Young SD, Daniels J, Klausner JD. P17.08 Using grindr™, a smartphone social networking application, to increase hiv self-testing among men who have sex with men in los angeles. Br J Vener Dis 2015. [DOI: 10.1136/sextrans-2015-052270.586] [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: 11/04/2022]
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Rao A, Net J, Brandt K, Huang E, Freymann J, Burnside E, Kirby J, Morris E, Bonaccio E, Giger M, Jaffe C, Ganott M, Sutton E, Le-Petross H, Zuley M, Dogan B, Whitman G. TU-CD-BRB-07: Identification of Associations Between Radiologist-Annotated Imaging Features and Genomic Alterations in Breast Invasive Carcinoma, a TCGA Phenotype Research Group Study. Med Phys 2015. [DOI: 10.1118/1.4925592] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Wang Y, Wu H, Huang E, Wang C, Hseu S, Kou Y. Heart Rate Variability as a Novel Prognosticator in Patients With Brain Metastasis: A Pilot Study. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.2046] [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]
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Abstract
AIM To study anti-tumor effects of exosomes from class II transactivator (CIITA) gene transfected CT26 cells. METHODS In this study, we established an MHC class II molecule-expressing murine colon cancer cell line (CT26-CIITA) by transduction of the CIITA gene. Immune effects in vitro and tumor protective results in vivo were tested and monitored. RESULTS Exosomes from CT26-CIITA cells were found to contain a high level of MHC class II protein. When loaded on dendritic cells (DCs), exosomes from CT26-CIITA cells significantly increased expression of MHC class II molecules, CD86 and CD80, as compared to exosomes from CT26 cells. In vitro assays using co-culture of immunized splenocytes and exosome-loaded DCs demonstrated that CIITA- Exo enhanced splenocyte proliferation and IFN-γ production of CD4+T cells, while inhibiting IL-10 secretion. In addition, compared to exosomes from CT26 cells, CT26-CIITA-derived exosomes induced higher TNF-α and IL-12 mRNA levels. A mouse tumour preventive model showed that CT26-CIITA derived exosomes significantly inhibited tumour growth in a dose-dependent manner and significantly prolonged the survival time of tumour- bearing mice. CONCLUSION Our findings indicate that CT26-CIITA-released exosomes are more efficient to induce anti-tumour immune responses, suggesting a potential role of MHC class II-containing tumour exosomes as cancer vaccine candidates.
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Affiliation(s)
- Wen Fan
- First Affiliated Hospital of Yangtze University, Jingzhou, HuBei, China.
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Classen CF, William D, Linnebacher M, Farhod A, Kedr W, Elsabe B, Fadel S, Van Gool S, De Vleeschouwer S, Koks C, Garg A, Ehrhardt M, Riva M, De Vleeschouwer S, Agostinis P, Graf N, Van Gool S, Yao TW, Yoshida Y, Zhang J, Ozawa T, James D, Nicolaides T, Kebudi R, Cakir FB, Gorgun O, Agaoglu FY, Darendeliler E, Van Gool S, De Vleeschouwer S, Al-Kofide A, Al-Shail E, Khafaga Y, Al-Hindi H, Dababo M, Haq AU, Anas M, Barria MG, Siddiqui K, Hassounah M, Ayas M, van Zanten SV, Jansen M, van Vuurden D, Huisman M, Vugts D, Hoekstra O, van Dongen G, Kaspers G, Cockle J, Ilett E, Scott K, Bruning-Richardson A, Picton S, Short S, Melcher A, Benesch M, Warmuth-Metz M, von Bueren AO, Hoffmann M, Pietsch T, Kortmann RD, Eyrich M, Graf N, Rutkowski S, Fruhwald MC, Faber J, Kramm C, Porkholm M, Valanne L, Lonnqvist T, Holm S, Lannering B, Riikonen P, Wojcik D, Sehested A, Clausen N, Harila-Saari A, Schomerus E, Thorarinsdottir HK, Lahteenmaki P, Arola M, Thomassen H, Saarinen-Pihkala UM, Kivivuori SM, Buczkowicz P, Hoeman C, Rakopoulos P, Pajovic S, Morrison A, Bouffet E, Bartels U, Becher O, Hawkins C, Gould TWA, Rahman CV, Smith SJ, Barrett DA, Shakesheff KM, Grundy RG, Rahman R, Barua N, Cronin D, Gill S, Lowisl S, Hochart A, Maurage CA, Rocourt N, Vinchon M, Kerdraon O, Escande F, Grill J, Pick VK, Leblond P, Burzynski G, Janicki T, Burzynski S, Marszalek A, Ramani N, Zaky W, Kannan G, Morani A, Sandberg D, Ketonen L, Maher O, Corrales-Medina F, Meador H, Khatua S, Brassesco M, Delsin L, Roberto G, Silva C, Ana L, Rego E, Scrideli C, Umezawa K, Tone L, Kim SJ, Kim CY, Kim IA, Han JH, Choi BS, Ahn HS, Choi HS, Haque F, Rahman R, Layfield R, Grundy R, Gandola L, Pecori E, Biassoni V, Schiavello E, Chiruzzi C, Spreafico F, Modena P, Bach F, Pignoli E, Massimino M, Drogosiewicz M, Dembowska-Baginska B, Jurkiewicz E, Filipek I, Perek-Polnik M, Swieszkowska E, Perek D, Bender S, Jones DT, Warnatz HJ, Hutter B, Zichner T, Gronych J, Korshunov A, Eils R, Korbel JO, Yaspo ML, Lichter P, Pfister SM, Yadavilli S, Becher OJ, Kambhampati M, Packer RJ, Nazarian J, Lechon FC, Fowkes L, Khabra K, Martin-Retortillo LM, Marshall LV, Vaidya S, Koh DM, Leach MO, Pearson AD, Zacharoulis S, Lechon FC, Fowkes L, Khabra K, Martin-Retortillo LM, Marshall LV, Schrey D, Barone G, Vaidya S, Koh DM, Pearson AD, Zacharoulis S, Panditharatna E, Stampar M, Siu A, Gordish-Dressman H, Devaney J, Kambhampati M, Hwang EI, Packer RJ, Nazarian J, Chung AH, Mittapalli RK, Elmquist WF, Becher OJ, Castel D, Debily MA, Philippe C, Truffaux N, Taylor K, Calmon R, Boddaert N, Le Dret L, Saulnier P, Lacroix L, Mackay A, Jones C, Puget S, Sainte-Rose C, Blauwblomme T, Varlet P, Grill J, Entz-Werle N, Maugard C, Bougeard G, Nguyen A, Chenard MP, Schneider A, Gaub MP, Tsoli M, Vanniasinghe A, Luk P, Dilda P, Haber M, Hogg P, Ziegler D, Simon S, Tsoli M, Vanniasinghe A, Monje M, Gurova K, Gudkov A, Haber M, Ziegler D, Zapotocky M, Churackova M, Malinova B, Zamecnik J, Kyncl M, Tichy M, Puchmajerova A, Stary J, Sumerauer D, Boult J, Vinci M, Taylor K, Perryman L, Box G, Jury A, Popov S, Ingram W, Monje M, Eccles S, Jones C, Robinson S, Emir S, Demir HA, Bayram C, Cetindag F, Kabacam GB, Fettah A, Boult J, Li J, Vinci M, Jury A, Popov S, Jamin Y, Cummings C, Eccles S, Bamber J, Sinkus R, Jones C, Robinson S, Nandhabalan M, Bjerke L, Vinci M, Burford A, Ingram W, Mackay A, von Bueren A, Baudis M, Clarke P, Collins I, Workman P, Jones C, Taylor K, Mackay A, Vinci M, Popov S, Ingram W, Entz-Werle N, Monje M, Olaciregui N, Mora J, Carcaboso A, Bullock A, Jones C, Vinci M, Mackay A, Burford A, Taylor K, Popov S, Ingram W, Monje M, Alonso M, Olaciregui N, de Torres C, Cruz O, Mora J, Carcaboso A, Jones C, Filipek I, Drogosiewicz M, Perek-Polnik M, Swieszkowska E, Dembowska-Baginska B, Jurkiewicz E, Perek D, Nguyen A, Pencreach E, Mackay A, Moussalieh FM, Guenot D, Namer I, Chenard MP, Jones C, Entz-Werle N, Pollack I, Jakacki R, Butterfield L, Hamilton R, Panigrahy A, Potter D, Connelly A, Dibridge S, Whiteside T, Okada H, Ahsan S, Raabe E, Haffner M, Warren K, Quezado M, Ballester L, Nazarian J, Eberhart C, Rodriguez F, Ramachandran C, Nair S, Quirrin KW, Khatib Z, Escalon E, Melnick S, Classen CF, Hofmann M, Schmid I, Simon T, Maass E, Russo A, Fleischhack G, Becker M, Hauch H, Sander A, Kramm C, Grasso C, Truffaux N, Berlow N, Liu L, Debily MA, Davis L, Huang E, Woo P, Tang Y, Ponnuswami A, Chen S, Huang Y, Hutt-Cabezas M, Warren K, Dret L, Meltzer P, Mao H, Quezado M, van Vuurden D, Abraham J, Fouladi M, Svalina MN, Wang N, Hawkins C, Raabe E, Hulleman E, Li XN, Keller C, Spellman PT, Pal R, Grill J, Monje M, Jansen MHA, Sewing ACP, Lagerweij T, Vuchts DJ, van Vuurden DG, Caretti V, Wesseling P, Kaspers GJL, Hulleman E, Cohen K, Raabe E, Pearl M, Kogiso M, Zhang L, Qi L, Lindsay H, Lin F, Berg S, Li XN, Muscal J, Amayiri N, Tabori U, Campbel B, Bakry D, Aronson M, Durno C, Gallinger S, Malkin D, Qaddumi I, Musharbash A, Swaidan M, Bouffet E, Hawkins C, Al-Hussaini M, Rakopoulos P, Shandilya S, McCully C, Murphy R, Akshintala S, Cole D, Macallister RP, Cruz R, Widemann B, Warren K, Salloum R, Smith A, Glaunert M, Ramkissoon A, Peterson S, Baker S, Chow L, Sandgren J, Pfeifer S, Popova S, Alafuzoff I, de Stahl TD, Pietschmann S, Kerber MJ, Zwiener I, Henke G, Kortmann RD, Muller K, von Bueren A, Sieow NYF, Hoe RHM, Tan AM, Chan MY, Soh SY, Hawkins C, Burrell K, Chornenkyy Y, Remke M, Golbourn B, Buczkowicz P, Barzczyk M, Taylor M, Rutka J, Dirks P, Zadeh G, Agnihotri S, Hashizume R, Ihara Y, Andor N, Chen X, Lerner R, Huang X, Tom M, Solomon D, Mueller S, Petritsch C, Zhang Z, Gupta N, Waldman T, James D, Dujua A, Co J, Hernandez F, Doromal D, Hegde M, Wakefield A, Brawley V, Grada Z, Byrd T, Chow K, Krebs S, Heslop H, Gottschalk S, Yvon E, Ahmed N, Truffaux N, Philippe C, Cornilleau G, Paulsson J, Andreiuolo F, Guerrini-Rousseau L, Puget S, Geoerger B, Vassal G, Ostman A, Grill J, Parsons DW, Lin F, Trevino LR, Gao F, Shen X, Hampton O, Lindsay H, Kosigo M, Qi L, Baxter PA, Su JM, Chintagumpala M, Dauser R, Adesina A, Plon SE, Li XN, Wheeler DA, Lau CC, Pietsch T, Gielen G, Muehlen AZ, Kwiecien R, Wolff J, Kramm C, Lulla RR, Laskowski J, Goldman S, Gopalakrishnan V, Fangusaro J, Mackay A, Taylor K, Vinci M, Jones C, Kieran M, Fontebasso A, Papillon-Cavanagh S, Schwartzentruber J, Nikbakht H, Gerges N, Fiset PO, Bechet D, Faury D, De Jay N, Ramkissoon L, Corcoran A, Jones D, Sturm D, Johann P, Tomita T, Goldman S, Nagib M, Bendel A, Goumnerova L, Bowers DC, Leonard JR, Rubin JB, Alden T, DiPatri A, Browd S, Leary S, Jallo G, Cohen K, Prados MD, Banerjee A, Carret AS, Ellezam B, Crevier L, Klekner A, Bognar L, Hauser P, Garami M, Myseros J, Dong Z, Siegel PM, Gump W, Ayyanar K, Ragheb J, Khatib Z, Krieger M, Kiehna E, Robison N, Harter D, Gardner S, Handler M, Foreman N, Brahma B, MacDonald T, Malkin H, Chi S, Manley P, Bandopadhayay P, Greenspan L, Ligon A, Albrecht S, Pfister SM, Ligon KL, Majewski J, Gupta N, Jabado N, Hoeman C, Cordero F, Halvorson K, Hawkins C, Becher O, Taylor I, Hutt M, Weingart M, Price A, Nazarian J, Eberhart C, Raabe E, Kantar M, Onen S, Kamer S, Turhan T, Kitis O, Ertan Y, Cetingul N, Anacak Y, Akalin T, Ersahin Y, Mason G, Nazarian J, Ho C, Devaney J, Stampar M, Kambhampati M, Crozier F, Vezina G, Packer R, Hwang E, Gilheeney S, Millard N, DeBraganca K, Khakoo Y, Kramer K, Wolden S, Donzelli M, Fischer C, Petriccione M, Dunkel I, Afzal S, Carret AS, Fleming A, Larouche V, Zelcer S, Johnston DL, Kostova M, Mpofu C, Decarie JC, Strother D, Lafay-Cousin L, Eisenstat D, Fryer C, Hukin J, Bartels U, Bouffet E, Hsu M, Lasky J, Moore T, Liau L, Davidson T, Prins R, Fouladi M, Bartels U, Warren K, Hassal T, Baugh J, Kirkendall J, Doughman R, Leach J, Jones B, Miles L, Hawkins C, Bouffet E, Hargrave D, Grill J, Jones C, Jacques T, Savage S, Goldman S, Leary S, Packer R, Saunders D, Wesseling P, Varlet P, van Vuurden D, Wallace R, Flutter B, Morgenestern D, Hargrave D, Blanco E, Howe K, Lowdell M, Samuel E, Michalski A, Anderson J, Arakawa Y, Umeda K, Watanabe KI, Mizowaki T, Hiraoka M, Hiramatsu H, Adachi S, Kunieda T, Takagi Y, Miyamoto S, Venneti S, Santi M, Felicella MM, Sullivan LM, Dolgalev I, Martinez D, Perry A, Lewis PW, Allis DC, Thompson CB, Judkins AR. HIGH GRADE GLIOMAS AND DIPG. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou071] [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
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van West H, Hodgson B, Parent E, Samuel S, Hodgson B, Ferland C, Soroceanu A, Soroceanu A, Protopsaltis T, Protopsaltis T, Radovanovic I, Amritanand R, Shamji M, Haugo K, Malham G, Jarzem P, Rampersaud Y, Tomkins-Lane C, Manson N, Malham G, Rampersaud Y, Malham G, Malham G, King V, Goldstein C, Fisher C, Fehlings M, Fisher C, Wong E, Sardar Z, Christie S, Patel A, Pinkoski C, Ahn H, Drew B, Dvorak M, Pezeshki P, Altaf F, Wilde P, Rampersaud Y, Sparrey C, Tetreault L, Fehlings M, Tetreault L, Rampersaud R, Jack A, Johnstone R, Fernandes A, Urquhart J, Morokoff A, Manson N, Tomkins-Lane C, Phan P, Evaniew N, Shamji M, Manson J, Rampersaud Y, Nault ML, St-Pierre GH, Larouche J, Lewis S, Wilgenbusch C, Lewis S, Rampersaud Y, Johnson R, Cushnie D, Sridharan S, Street J, Gregg C, Missiuna P, Abraham E, Abraham E, Manson N, Huang E, Passmore S, Mac-Thiong JM, Labelle H, Moulin D, Turgeon I, Roy-Beaudry M, Bourassa N, Petit Y, Parent. S, Chabot S, Westover L, Hill D, Moreau M, Hedden D, Lou E, Adeeb. S, Smith M, Bridge C, Hsu B, Gray. R, Group PORSCHES, Saran N, Mac-Thiong JM, Stone L, Ouellet. J, Protopsaltis T, Terran J, Bronsard N, Smith J, Klineberg E, Mundis G, Hostin R, Hart R, Shaffrey C, Bess S, Ames C, Schwab F, Lafage. V, Schwab F, Lafage V, Protopsaltis T, Ames C, Bess S, Smith J, Errico. T, Schwab F, Soroceanu A, Bronsard N, Smith J, Klineberg E, Mundis G, Hostin R, Hart R, Burton D, Ames C, Shaffrey C, Bess S, Errico T, Lafage. V, Terran J, Soroceanu A, Bronsard N, Smith J, Klineberg E, Mundis G, Kim HJ, Hostin R, Hart R, Shaffrey C, Bess S, Ames C, Schwab F, Lafage. V, Urquhart J, Gananapathy V, Siddiqi F, Gurr K, Bailey C, Ravi B, David K, Rampersaud. R, Tu Y, Salter. M, Nichol H, Fourney D, Kelly. M, Parker R, Ellis N, Blecher C, Chow F, Claydon. M, Sardar Z, Alexander D, Oxner W, Plessis SD, Yee A, Wai. E, Lewis S, Davey J, Gandhi R, Mahomed. N, Hu R, Thomas K, Hepler C, Choi K, Rowed K, Haig. A, Lam. K, Parker R, Blecher C, Seex. K, Perruccio A, Gandhi R, Program. UHNA, Ellis N, Parker R, Goss B, Blecher C, Ballok. Z, Parker R, Ellis N, Chan P, Varma. D, Swart A, Winder M, Varga PP, Gokaslan Z, Boriani S, Luzzati A, Rhines L, Fisher C, Chou D, Williams R, Dekutoski M, Quraishi N, Bettegowda C, Kawahara N, Fehlings. M, Versteeg A, Boriani S, Varga PP, Dekutoski M, Luzzati A, Gokaslan Z, Williams R, Reynolds J, Fehlings M, Bettegowda C, Rhines. L, Zamorano J, Nater A, Tetrault L, Varga P, Gokaslan Z, Boriani S, Fisher C, Rhines L, Bettegowda C, Kawahara N, Chou. D, Fehlings M, Kopjar B, Vaccaro A, Arnold P, Schuster J, Finkelstein J, Rhines L, Dekutoski M, Gokaslan Z, France. J, Whyne C, Singh D, Ford. M, Aldebeyan W, Ouellet J, Steffen T, Beckman L, Weber M, Jarzem. P, Kwon B, Ahn H, Bailey C, Fehlings M, Fourney D, Gagnon D, Tsai E, Tsui D, Parent S, Chen J, Dvorak M, Noonan V, Rivers C, Network RHSCIR, Batke J, Lenehan B, Fisher C, Dvorak M, Street. J, Fox R, Nataraj A, Bailey C, Christie S, Duggal N, Fehlings M, Finkelstein J, Fourney D, Hurlbert R, Kwon B, Townson A, Tsai E, Attabib N, Chen J, Dvorak M, Noonan V, Rivers C, Network. RHSCIR, Fehlings M, Paquet J, Ahn H, Attabib N, Bailey C, Christie S, Duggal N, Finkelstein J, Fourney D, Hurlbert R, Johnson M, Kwon B, Parent S, Tsai E, Dvorak M, Noonan V, Rivers C, Shen T, Network. RHSCIR, Fisher C, Kwon B, Drew B, Fehlings M, Paquet J, Ahn H, Attabib N, Bailey C, Christie S, Duggal N, Finkelstein J, Fourney D, Hurlbert R, Johnson M, Mac-Thiong JM, Parent S, Tsai E, Fallah N, Noonan V, Rivers C, Network RHSCIR, Davidson S, McCann C, Akens M, Murphy K, Whyne C, Sherar M, Yee. A, Belanger L, Ronco J, Dea N, Paquette S, Boyd M, Street J, Fisher C, Dvorak M, Kwon B, Gonzalvo A, Fitt G, Liew S, de la Harpe D, Turner P, Rogers M, Bidos A, Fanti C, Young B, Drew B, Puskas. D, Tam H, Manansala S, Nosov V, Delva M, Alshafai N, Kopjar B, Tan G, Arnold P, Fehlings. M, Kopjar B, Arnold P, Ibrahim A, Tetrault. L, Kopjar B, Arnold P, Fehlings. M, Sundararajan K, Eng. S, St-Pierre G, Nataraj A, Urquhart J, Rosas-Arellano P, Tallon C, Gurr K, Siddiqi F, Bailey S, Bailey C, Sundararajan K, Rampersaud. R, Rosa-Arellano P, Tallon C, Bailey S, Gurr K, Bailey. C, Parker R, Milili L, Goss B, Malham. G, Green A, McKeon M, Abraham. E, Lafave L, Parnell J, Rempel J, Moriartey S, Andreas Y, Wilson P, Hepler C, Ray H, Hu. R, Ploumis A, Hess K, Wood. K, Yarascavitch B, Madden K, Ghert M, Drew B, Bhandari M, Kwok D, Tu YS, Salter. M, Hadlow. A, Tso P, Walker K, Lewis S, Davey J, Mahomed N, Coyte. P, Mac-Thiong JM, Roy-Beaudry M, Turgeon I, Labelle H, deGuise J, Parent. S, Jack A, Fox R, Nataraj A, Paquette S, Leroux T, Yee A, Ahn H, Broad R, Fisher C, Hall H, Nataraj A, Hedden D, Christie S, Carey T, Mehta V, Fehlings M, Wadey. V, Dear T, Hashem. M, Fourney D, Goldstein S, Bodrogi A, Lipkus M, Dear T, Keshen S, Veillette C, Gandhi R, Adams D, Briggs N, Davey J, Fehlings M, Lau J, Lewis S, Magtoto R, Marshall K, Massicotte E, Ogilvie-Harris D, Sarro A, Syed K, Mohamed. N, Perera S, Taha A, Urquhart J, Gurr K, Siddiqi F, Bailey C, Thomas K, Cho R, Swamy G, Power C, Henari S, Lenehan. B, McIntosh G, Hall H, Hoffman. C, Karachi A, Pazionis T, AlShaya O, Green A, McKeon M, Manson. N, Green A, McKeon M, Manson. N, Green A, McKeon M, Murray J, Abraham. E, Thomas K, Suttor S, Goyal T, Littlewood J, Bains I, Bouchard J, Hu R, Jacobs B, Cho R, Swamy G, Johnson M, Pelleck V, Amad Y, Ramos E, Glazebrook C. Combined Spine Conference of the Canadian Spine Society New Zealand Orthopaedic Spine Society, Spine Society of Australia: Fairmont Château Lake Louise, Lake, Louise, Alberta, Tuesday, Feb. 25 to Saturday, Mar. 1, 20141.1.01 The use of suspension radiographs to predict LIV tilt.1.1.02 Surgical correction of adolescent idiopathic scoliosis without fusion: an animal model.1.1.03 Are full torso surface topography postural measurements more sensitive to change than back only parameters in adolescents with idiopathic scoliosis and a main thoracic curve?1.2.04 Restoration of thoracic kyphosis in adolescent idiopathic kyphosis: comparative radiographic analysis of round versus rail rods.1.2.05 Scoliosis surgery in spastic quadriplegic cerebral palsy: Is fusion to the pelvis always necessary? A 4–18-year follow-up study.1.2.06 Identification and validation of pain-related biomarkers surrounding spinal surgery in adolescents.1.3.07 Cervical sagittal deformity develops after PJK in adult throacolumbar deformity correction: radiographic analysis using a novel global sagittal angular parameter, the CTPA.1.3.08 Impact of obesity on complications and patient-reported outcomes in adult spinal deformity surgery.1.3.09 The T1 pelvic angle, a novel radiographic measure of sagittal deformity, accounts for both pelvic retroversion and truncal inclination and correlates strongly with HRQOL.1.4.10 Determining cervical sagittal deformity when it is concurrent with thoracolumbar deformity.1.4.11 The influence of sagittal balance and pelvic parameters on the outcome of surgically treated patients with degenerative spondylolisthesis.1.4.12 Predictors of degenerative spondylolisthesis and loading translation in surgical lumbar spinal stenosis patients.2.1.13 Mechanical allodynia following disc herniation requires intraneural macrophage infiltration and can be blocked by systemic selenium delivery or attenuation of BDNF activity.2.1.14 The effect of alanyl-glutamine on epidural fibrosis in a rat laminectomy model.2.1.15 Anterior lumbar interbody fusion using recombinant human bone morphogenetic protein-2: a prospective study of complications.2.2.16 2-year results of a Canadian, multicentre, blinded, pilot study of a novel peptide in promoting lumbar spine fusion.2.2.17 Comparative outcomes and cost-utility following surgical treatment of focal lumbar spinal stenosis compared with osteoarthritis of the hip or knee: long-term change in health-related quality of life.2.2.18 Changes in objectively measured walking performance, function, and pain following surgery for spondylolisthesis and lumbar spinal stenosis.2.3.19 A prospective multicentre observational data-monitored study of minimally invasive fusion to treat degenerative lumbar disorders: complications and outcomes at 1-year follow-up.2.3.20 Assessment and classification of subsidence in lateral interbody fusion using serial computed tomography.2.3.21 Predictors of willingness to undergo spinal and orthopaedic surgery after surgical consultation.2.4.22 Indirect foraminal decompression is independent of facet arthropathy in extreme lateral interbody fusion.2.4.23 Cervical artificial disc replacement with ProDisc-C: clinical and radiographic outcomes with long-term follow-up.2.4.24 Tantalum trabecular metal implants in anterior cervical corpectomy and fusion.3.1.25 Hemangiomas of the spine: results of surgical management and prognostic variables for local recurrence and mortality in a multicentre study.3.1.26 Chondrosarcomas of the spine: prognostic variables for local recurrence and mortality in a multicentre study.3.1.27 Risk factors for recurrence of surgically treated spine schwannomas: analysis of 169 patients from a multicentre international database.3.2.28 Survival pattern and the effect of surgery on health related quality of life and functional outcome in patients with metastatic epidural spinal cord compression from lung cancer — the AOSpine North America prospective multicentre study.3.2.29 A biomechanical assessment of kyphoplasty as a stand-alone treatment in a human cadaveric burst fracture model.3.2.30 What is safer in incompetent vertebrae with posterior wall defects, kyphoplasty or vertebroplasty: a study in vertebral analogs.3.3.31 Feasibility of recruiting subjects for acute spinal cord injury (SCI) clinical trials in Canada.3.3.32 Prospective analysis of adverse events in elderly patients with traumatic spinal cord injury.3.3.33 Does traction before surgery influence time to neural decompression in patients with spinal cord injury?3.4.34 Current treatment of individuals with traumatic spinal cord injury: Do we need age-specific guidelines?3.4.35 Current surgical practice for traumatic spinal cord injury in Canada.3.4.36 The importance of “time to surgery” for traumatic spinal cord injured patients: results from an ambispective Canadian cohort of 949 patients.3.5.37 Assessment of a novel coil-shaped radiofrequency probe in the porcine spine.3.5.38 The effect of norepinephrine and dopamine on cerebrospinal fluid pressure after acute spinal cord injury.3.5.39 The learning curve of pedicle screw placement: How many screws are enough?4.1.40 Preliminary report from the Ontario Inter-professional Spine Assessment and Education Clinics (ISAEC).4.1.41 A surrogate model of the spinal cord complex for simulating bony impingement.4.1.42 Clinical and surgical predictors of specific complications following surgery for the treatment of degenerative cervical myelopathy: results from the multicentre, prospective AOSpine international study on 479 patients.4.2.43 Outcomes of surgical management of cervical spondylotic myelopathy: results of the prospective, multicentre, AOSpine international study in 479 patients.4.2.44 A clinical prediction rule for clinical outcomes in patients undergoing surgery for degenerative cervical myelopathy: analysis of an international AOSpine prospective multicentre data set of 757 subjects.4.2.45 The prevalence and impact of low back and leg pain among aging Canadians: a cross-sectional survey.4.3.46 Adjacent segment pathology: Progressive disease course or a product of iatrogenic fusion?4.3.47 Natural history of degenerative lumbar spondylolisthesis in patients with spinal stenosis.4.3.48 Changes in self-reported clinical status and health care utilization during wait time for surgical spine consultation: a prospective observational study.4.3.49 The Canadian surgical wait list for lumbar degenerative spinal stenosis has a detrimental effect on patient outcomes.4.3.50 Segmental lordosis is independent of interbody cage position in XLIF.4.3.51 Elevated patient BMI does not negatively affect self-reported outcomes of thoracolumbar surgery.1.5.52 The Spinal Stenosis Pedometer and Nutrition Lifestyle Intervention (SSPANLI): development and pilot.1.5.53 Study evaluating the variability of surgical strategy planning for patients with adult spinal deformity.1.5.54 Atlantoaxial instability in acute odontoid fractures is associated with nonunion and mortality.1.5.55 Peripheral hypersensitivity to subthreshold stimuli persists after resolution of acute experimental disc-herniation neuropathy.1.5.56 Radiation induced lumbar spinal osteonecrosis: case report and literature review.1.5.57 Comparative outcomes and cost-utility following surgical treatment of focal lumbar spinal stenosis compared with osteoarthritis of the hip or knee: Part 2 — estimated lifetime incremental cost-utility ratios.1.5.58 A predictive model of progression for adolescent idiopathic scoliosis based on 3D spine parameters at first visit.1.5.59 Development of a clinical prediction model for surgical decision making in patients with degenerative lumbar spine disease.2.5.60 Canadian spine surgery fellowship education: evaluating opportunity in developing a nationally based training curriculum.2.5.61 Pedicle subtraction osteotomy for severe proximal thoracic junctional kyphosis.2.5.62 A comparison of spine surgery referrals triaged through a multidisciplinary care pathway versus conventional referrals.2.5.63 Results and complications of posterior-based 3 column osteotomies in patients with previously fused spinal deformities.2.5.64 Orthopaedic Surgical AdVerse Event Severity (Ortho-SAVES) system: identifying opportunities for improved patient safety and resource utilization.2.5.65 Spontaneous spinal extra-axial haematomas — surgical experience in Otago and Southland 2011–2013.2.5.66 Obesity and spinal epidural lipomatosis in cauda equina syndrome.2.5.67 Factors affecting restoration of lumbar lordosis in adult degenerative scoliosis patients treated with lateral trans-psoas interbody fusion.3.6.68 Systematic review of complications in spinal surgery: a comparison of retrospective and prospective study design.3.6.69 Postsurgical rehabilitation patients have similar fear avoidance behaviour levels as those in nonoperative care.3.6.70 Outcomes of surgical treatment of adolescent spondyloptosis: a case series.3.6.71 Surgical success in primary versus revision thoracolumbar spine surgery.3.6.72 The effect of smoking on subjective patient outcomes in thoracolumbar surgery.3.6.73 Modelling patient recovery to predict outcomes following elective thoracolumbar surgery for degenerative pathologies.3.6.74 Outcomes from trans-psoas versus open approaches in the treatment of adult degenerative scoliosis.3.6.75 Lumbar spinal stenosis and presurgical assessment: the impact of walking induced strain on a performance-based outcome measure. Can J Surg 2014. [DOI: 10.1503/cjs.005614] [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: 11/01/2022] Open
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Ju L, Velasco J, Huang E, Kahn S, Nosiglia C, Tsai HZ, Yang W, Taniguchi T, Watanabe K, Zhang Y, Zhang G, Crommie M, Zettl A, Wang F. Photoinduced doping in heterostructures of graphene and boron nitride. Nat Nanotechnol 2014; 9:348-52. [PMID: 24727687 DOI: 10.1038/nnano.2014.60] [Citation(s) in RCA: 133] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Accepted: 02/21/2014] [Indexed: 05/15/2023]
Abstract
The design of stacks of layered materials in which adjacent layers interact by van der Waals forces has enabled the combination of various two-dimensional crystals with different electrical, optical and mechanical properties as well as the emergence of novel physical phenomena and device functionality. Here, we report photoinduced doping in van der Waals heterostructures consisting of graphene and boron nitride layers. It enables flexible and repeatable writing and erasing of charge doping in graphene with visible light. We demonstrate that this photoinduced doping maintains the high carrier mobility of the graphene/boron nitride heterostructure, thus resembling the modulation doping technique used in semiconductor heterojunctions, and can be used to generate spatially varying doping profiles such as p-n junctions. We show that this photoinduced doping arises from microscopically coupled optical and electrical responses of graphene/boron nitride heterostructures, including optical excitation of defect transitions in boron nitride, electrical transport in graphene, and charge transfer between boron nitride and graphene.
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Affiliation(s)
- L Ju
- 1] Department of Physics, University of California, Berkeley, California 94720, USA [2]
| | - J Velasco
- 1] Department of Physics, University of California, Berkeley, California 94720, USA [2]
| | - E Huang
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - S Kahn
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - C Nosiglia
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - Hsin-Zon Tsai
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - W Yang
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - T Taniguchi
- National Institute for Materials Science, 1-1 Namiki, Tsukuba, 305-0044, Japan
| | - K Watanabe
- National Institute for Materials Science, 1-1 Namiki, Tsukuba, 305-0044, Japan
| | - Y Zhang
- State Key Laboratory of Surface Physics and Department of Physics, Fudan University, Shanghai 200433, China
| | - G Zhang
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - M Crommie
- 1] Department of Physics, University of California, Berkeley, California 94720, USA [2] Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA [3] Kavli Energy NanoSciences Institute at the University of California, Berkeley and the Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA
| | - A Zettl
- 1] Department of Physics, University of California, Berkeley, California 94720, USA [2] Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA [3] Kavli Energy NanoSciences Institute at the University of California, Berkeley and the Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA
| | - F Wang
- 1] Department of Physics, University of California, Berkeley, California 94720, USA [2] Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA [3] Kavli Energy NanoSciences Institute at the University of California, Berkeley and the Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA
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Polley M, Polley E, Huang E, Freidlin B, Simon R. MC13-0049 Two-stage adaptive cutoff design for building and validating a prognostic biomarker signature. Eur J Cancer 2013. [DOI: 10.1016/s0959-8049(13)70116-3] [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: 10/26/2022]
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