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877 results on '"Copeland, John A."'

1. Service Utilization

Author

Gurland, Barry, primary, Copeland, John, additional, Kuriansky, Judith, additional, Kelleher, Michael, additional, Sharpe, Lawrence, additional, and Dean, Laura Lee, additional

Published
2024
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2. Methods

Author

Gurland, Barry, primary, Copeland, John, additional, Kuriansky, Judith, additional, Kelleher, Michael, additional, Sharpe, Lawrence, additional, and Dean, Laura Lee, additional

Published
2024
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10. First Records of Freshwater Sponges (Porifera: Spongillidae) for Great Smoky Mountains National Park

Author

Copeland, John E., Kunigelis, Stan C., Stuart, Emily A., and Hanson, Kayleigh A.

Subjects
Parks -- Tennessee, Science and technology, Lincoln Memorial University
Abstract

John E. Copeland, (*) Stan C. Kunigelis, Emily A. Stuart, and Kayleigh A. Hanson Department of Biology. Lincoln Memorial University. Harrogate. TN 37752 Present Address: 324 Bland Road. Clinton. TN [...]

Published
2020

13. The Diaphanous-Related Formins Promote Protrusion Formation and Cell-to-Cell Spread of Listeria monocytogenes

Author

Fattouh, Ramzi, Kwon, Hyunwoo, Czuczman, Mark A, Copeland, John W, Pelletier, Laurence, Quinlan, Margot E, Muise, Aleixo M, Higgins, Darren E, and Brumell, John H

Subjects
Foodborne Illness, Infectious Diseases, Emerging Infectious Diseases, Vaccine Related, Prevention, Digestive Diseases, Actin-Related Protein 2, Actin-Related Protein 2-3 Complex, Actin-Related Protein 3, Adaptor Proteins, Signal Transducing, Carrier Proteins, Cell Surface Extensions, Formins, Gene Knockdown Techniques, Genes, Reporter, HeLa Cells, Host-Pathogen Interactions, Humans, Listeria monocytogenes, Models, Biological, Protein Structure, Tertiary, Thiones, Uracil, rho GTP-Binding Proteins, diaphanous formins, mDia1, mDia2, mDia3, protrusion, Listeria cell-to-cell spread, Arp2/3, HeLa cells, Hela Cells, mDia1, mDia2, mDia3, Biological Sciences, Medical and Health Sciences, Microbiology
Abstract

The Gram-positive bacterium Listeria monocytogenes is a facultative intracellular pathogen whose virulence depends on its ability to spread from cell to cell within an infected host. Although the actin-related protein 2/3 (Arp2/3) complex is necessary and sufficient for Listeria actin tail assembly, previous studies suggest that other actin polymerization factors, such as formins, may participate in protrusion formation. Here, we show that Arp2/3 localized to only a minor portion of the protrusion. Moreover, treatment of L. monocytogenes-infected HeLa cells with a formin FH2-domain inhibitor significantly reduced protrusion length. In addition, the Diaphanous-related formins 1-3 (mDia1-3) localized to protrusions, and knockdown of mDia1, mDia2, and mDia3 substantially decreased cell-to-cell spread of L. monocytogenes. Rho GTPases are known to be involved in formin activation. Our studies also show that knockdown of several Rho family members significantly influenced bacterial cell-to-cell spread. Collectively, these findings identify a Rho GTPase-formin network that is critically involved in the cell-to-cell spread of L. monocytogenes.

Published
2015

20. Toward Revealing Kernel Malware Behavior in Virtual Execution Environments

Author

Xuan, Chaoting, Copeland, John, Beyah, Raheem, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Kirda, Engin, editor, Jha, Somesh, editor, and Balzarotti, Davide, editor

Published
2009
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21. Shepherding Loadable Kernel Modules through On-demand Emulation

Author

Xuan, Chaoting, Copeland, John, Beyah, Raheem, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Flegel, Ulrich, editor, and Bruschi, Danilo, editor

Published
2009
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23. Designing Secure Protocols for Wireless Sensor Networks

Author

Uluagac, A. Selcuk, Lee, Christopher P., Beyah, Raheem A., Copeland, John A., Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Li, Yingshu, editor, Huynh, Dung T., editor, Das, Sajal K., editor, and Du, Ding-Zhu, editor

Published
2008
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24. Correction: Metastasis Suppressor microRNA-335 Targets the Formin Family of Actin Nucleators.

Author

Lynch, Jennifer, Meehan, Maria H., Crean, John, Copeland, John, Stallings, Raymond L., and Bray, Isabella M.

Subjects
ACTIN, METASTASIS, APOLOGIZING, DENSITOMETRY
Abstract

This correction notice addresses errors in Figures 2 and 5 of the article titled "Metastasis Suppressor microRNA-335 Targets the Formin Family of Actin Nucleators." The errors involve incorrect underlying data and control data in the figures. The corrected figures are provided with the notice, and the errors did not affect the densitometry analysis presented in the figures. The authors apologize for any inconvenience and confusion caused by these errors. Supporting information with individual level data is also available. [Extracted from the article]

Published
2023
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26. The Influenza Data Summary: A Prototype Application for Visualizing National Influenza Activity

Author

Podgornik, Michelle N., Postema, Alicia, English, Roseanne, Uhde, Kristin B., Bloom, Steve, Hicks, Peter, McMurray, Paul, Copeland, John, Brammer, Lynnette, Thompson, William W., Bresee, Joseph S., Tokars, Jerome I., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Rangan, C. Pandu, editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Zeng, Daniel, editor, Gotham, Ivan, editor, Komatsu, Ken, editor, Lynch, Cecil, editor, Thurmond, Mark, editor, Madigan, David, editor, Lober, Bill, editor, Kvach, James, editor, and Chen, Hsinchun, editor

Published
2007
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27. Modeling the Behavior of TCP in Web Traffic

Author

Choi, Hyoung-Kee, Copeland, John A., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, and Kim, Cheeha, editor

Published
2005
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28. Figure 2 from: Manconi R, Copeland J, Kunigelis S, Pronzato R (2022) Biodiversity of Nearctic inland water: discovery of the genus Heterorotula (Porifera, Spongillida, Spongillidae) in the Appalachian Mountains, with biogeographical implications and description of new species. ZooKeys 1110: 103-120. https://doi.org/10.3897/zookeys.1110.79615

Author

Manconi, Renata, primary, Copeland, John, additional, Kunigelis, Stan, additional, and Pronzato, Roberto, additional

Published
2022
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29. Figure 7 from: Manconi R, Copeland J, Kunigelis S, Pronzato R (2022) Biodiversity of Nearctic inland water: discovery of the genus Heterorotula (Porifera, Spongillida, Spongillidae) in the Appalachian Mountains, with biogeographical implications and description of new species. ZooKeys 1110: 103-120. https://doi.org/10.3897/zookeys.1110.79615

Author

Manconi, Renata, primary, Copeland, John, additional, Kunigelis, Stan, additional, and Pronzato, Roberto, additional

Published
2022
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30. Figure 8 from: Manconi R, Copeland J, Kunigelis S, Pronzato R (2022) Biodiversity of Nearctic inland water: discovery of the genus Heterorotula (Porifera, Spongillida, Spongillidae) in the Appalachian Mountains, with biogeographical implications and description of new species. ZooKeys 1110: 103-120. https://doi.org/10.3897/zookeys.1110.79615

Author

Manconi, Renata, primary, Copeland, John, additional, Kunigelis, Stan, additional, and Pronzato, Roberto, additional

Published
2022
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31. Figure 4 from: Manconi R, Copeland J, Kunigelis S, Pronzato R (2022) Biodiversity of Nearctic inland water: discovery of the genus Heterorotula (Porifera, Spongillida, Spongillidae) in the Appalachian Mountains, with biogeographical implications and description of new species. ZooKeys 1110: 103-120. https://doi.org/10.3897/zookeys.1110.79615

Author

Manconi, Renata, primary, Copeland, John, additional, Kunigelis, Stan, additional, and Pronzato, Roberto, additional

Published
2022
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32. Figure 9 from: Manconi R, Copeland J, Kunigelis S, Pronzato R (2022) Biodiversity of Nearctic inland water: discovery of the genus Heterorotula (Porifera, Spongillida, Spongillidae) in the Appalachian Mountains, with biogeographical implications and description of new species. ZooKeys 1110: 103-120. https://doi.org/10.3897/zookeys.1110.79615

Author

Manconi, Renata, primary, Copeland, John, additional, Kunigelis, Stan, additional, and Pronzato, Roberto, additional

Published
2022
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33. Figure 1 from: Manconi R, Copeland J, Kunigelis S, Pronzato R (2022) Biodiversity of Nearctic inland water: discovery of the genus Heterorotula (Porifera, Spongillida, Spongillidae) in the Appalachian Mountains, with biogeographical implications and description of new species. ZooKeys 1110: 103-120. https://doi.org/10.3897/zookeys.1110.79615

Author

Manconi, Renata, primary, Copeland, John, additional, Kunigelis, Stan, additional, and Pronzato, Roberto, additional

Published
2022
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34. Figure 6 from: Manconi R, Copeland J, Kunigelis S, Pronzato R (2022) Biodiversity of Nearctic inland water: discovery of the genus Heterorotula (Porifera, Spongillida, Spongillidae) in the Appalachian Mountains, with biogeographical implications and description of new species. ZooKeys 1110: 103-120. https://doi.org/10.3897/zookeys.1110.79615

Author

Manconi, Renata, primary, Copeland, John, additional, Kunigelis, Stan, additional, and Pronzato, Roberto, additional

Published
2022
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35. Figure 5 from: Manconi R, Copeland J, Kunigelis S, Pronzato R (2022) Biodiversity of Nearctic inland water: discovery of the genus Heterorotula (Porifera, Spongillida, Spongillidae) in the Appalachian Mountains, with biogeographical implications and description of new species. ZooKeys 1110: 103-120. https://doi.org/10.3897/zookeys.1110.79615

Author

Manconi, Renata, primary, Copeland, John, additional, Kunigelis, Stan, additional, and Pronzato, Roberto, additional

Published
2022
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36. Figure 3 from: Manconi R, Copeland J, Kunigelis S, Pronzato R (2022) Biodiversity of Nearctic inland water: discovery of the genus Heterorotula (Porifera, Spongillida, Spongillidae) in the Appalachian Mountains, with biogeographical implications and description of new species. ZooKeys 1110: 103-120. https://doi.org/10.3897/zookeys.1110.79615

Author

Manconi, Renata, primary, Copeland, John, additional, Kunigelis, Stan, additional, and Pronzato, Roberto, additional

Published
2022
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41. Impact of fish consumption on all-cause mortality in older people with and without dementia: a community-based cohort study

Author

Bakre, Aishat T; https://orcid.org/0000-0003-4480-998X, Chen, Anthony, Tao, Xuguang, Hou, Jian, Yao, Yuyou, Nevill, Alain, Tang, James J, Rohrmann, Sabine, Ni, Jindong, Hu, Zhi, Copeland, John, Chen, Ruoling, Bakre, Aishat T; https://orcid.org/0000-0003-4480-998X, Chen, Anthony, Tao, Xuguang, Hou, Jian, Yao, Yuyou, Nevill, Alain, Tang, James J, Rohrmann, Sabine, Ni, Jindong, Hu, Zhi, Copeland, John, and Chen, Ruoling

Abstract

BACKGROUND Increased fish consumption reduces the risk of dementia. However, it is unknown whether fish consumption reduced all-cause mortality in people with dementia. The purpose of the study is to investigate the association of fish consumption with all-cause mortality in older people with dementia versus those without dementia. METHODS Using a standard method of the Geriatric Mental State, we interviewed 4165 participants aged ≥ 60 years who were randomly recruited from five provinces in China during 2007-2009 to collect the baseline data of socio-demography, disease risk factors, histories of disease, and details of dietary intakes, and diagnosed dementia (n = 406). They were followed up for vital status until 2012. RESULTS The cohort follow-up documented 329 deaths; 61 were in participants with dementia (55.3 per 1000 person-years) and 224 were those without dementia (22.3). In all participants, the risk of all-cause mortality was reduced with fish intake at " ≥ twice a week" (multivariate-adjusted hazard ratio 0.58, 95% CI 0.34-0.96) and at "once a week or less" (0.79, 0.53-1.18) compared to "never eat" over the past two years. In participants without baseline dementia, the corresponding HRs for all-cause mortality were 0.57 (0.33-0.98) and 0.85 (0.55-1.31), while in participants with dementia were 1.36 (0.28-6.60) and 1.05 (0.30-3.66), respectively. CONCLUSION This study reveals that consumption of fish in older age reduced all-cause mortality in older people without dementia, but not in people with dementia. Fish intake should be increased in older people in general, prior to the development of dementia in the hope of preventing dementia and prolonging life.

Published
2022

45. Recruitment Issues in School-Based Research: Lessons Learned from the High 5 Alabama Project.

Author

Harrington, Kathleen F., Binkley, Dianne, Reynolds, Kim D., Duvall, Ruth C., Copeland, John R., Franklin, Frank, and Raczynski, James

Abstract

Describes multilevel recruitment strategies for High 5 Alabama, a school-based study designed to change fourth graders' fruit and vegetable intake. The paper discusses district-, school-, teacher-, and individual-level recruitment; compares participants to nonparticipants; and presents results from teacher perception surveys. Recruitment success varied, though it was 100% effective at the district and school level. (SM)

Published
1997

46. Towards a Fraud-Prevention Framework for Software Defined Radio Mobile Devices

Author

Brawerman Alessandro and Copeland John A.

Subjects
cellular frauds, cloning, security and privacy issues, security protocols, software defined radio mobile devices, Telecommunication, TK5101-6720, Electronics, TK7800-8360
Abstract

The superior reconfigurability of software defined radio mobile devices has made it the most promising technology on the wireless network and in the communication industry. Despite several advantages, there are still a lot to discuss regarding security, for instance, the radio configuration data download, storage and installation, user's privacy, and cloning. The objective of this paper is to present a fraud-prevention framework for software defined radio mobile devices that enhances overall security through the use of new pieces of hardware, modules, and protocols. The framework offers security monitoring against malicious attacks and viruses, protects sensitive information, creates and protects an identity for the system, employs a secure protocol for radio configuration download, and finally, establishes an anticloning scheme, which besides guaranteeing that no units can be cloned over the air, also elevates the level of difficulty to clone units if the attacker has physical access to the mobile device. Even if cloned units exist, the anticloning scheme is able to identify and deny services to those units. Preliminary experiments and proofs that analyze the correctness of the fraud-prevention framework are also presented.

Published
2005
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47. When Counselors Confirm: A Functional Analysis.

Author

Copeland, John and Snyder, Mark

Abstract

Students (n=118) randomly assigned to the role of either counselor or client engaged in a face-to-face, videotaped discussion. Previously, counselors received a suggestion that the client was extroverted or introverted. Results indicated that only counselors motivated by diagnostic concerns elicited behavioral confirmation. (JPS)

Published
1995

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