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Cohen-Kedar S, Shaham Barda E, Rabinowitz KM, Keizer D, Abu-Taha H, Schwartz S, Kaboub K, Baram L, Sadot E, White I, Wasserberg N, Wolff-Bar M, Levy-Barda A, Dotan I. Human intestinal epithelial cells can internalize luminal fungi via LC3-associated phagocytosis. Front Immunol 2023; 14:1142492. [PMID: 36969163 PMCID: PMC10030769 DOI: 10.3389/fimmu.2023.1142492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 02/22/2023] [Indexed: 03/29/2023] Open
Abstract
Background Intestinal epithelial cells (IECs) are the first to encounter luminal microorganisms and actively participate in intestinal immunity. We reported that IECs express the β-glucan receptor Dectin-1, and respond to commensal fungi and β-glucans. In phagocytes, Dectin-1 mediates LC3-associated phagocytosis (LAP) utilizing autophagy components to process extracellular cargo. Dectin-1 can mediate phagocytosis of β-glucan-containing particles by non-phagocytic cells. We aimed to determine whether human IECs phagocytose β-glucan-containing fungal particles via LAP. Methods Colonic (n=18) and ileal (n=4) organoids from individuals undergoing bowel resection were grown as monolayers. Fluorescent-dye conjugated zymosan (β-glucan particle), heat-killed- and UV inactivated C. albicans were applied to differentiated organoids and to human IEC lines. Confocal microscopy was used for live imaging and immuno-fluorescence. Quantification of phagocytosis was carried out with a fluorescence plate-reader. Results zymosan and C. albicans particles were phagocytosed by monolayers of human colonic and ileal organoids and IEC lines. LAP was identified by LC3 and Rubicon recruitment to phagosomes and lysosomal processing of internalized particles was demonstrated by co-localization with lysosomal dyes and LAMP2. Phagocytosis was significantly diminished by blockade of Dectin-1, actin polymerization and NAPDH oxidases. Conclusions Our results show that human IECs sense luminal fungal particles and internalize them via LAP. This novel mechanism of luminal sampling suggests that IECs may contribute to the maintenance of mucosal tolerance towards commensal fungi.
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Affiliation(s)
- Sarit Cohen-Kedar
- Division of Gastroenterology, Rabin Medical Center, Petah-Tikva, Israel
- Felsenstein Medical Research Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
- *Correspondence: Iris Dotan, ; Sarit Cohen-Kedar,
| | - Efrat Shaham Barda
- Division of Gastroenterology, Rabin Medical Center, Petah-Tikva, Israel
- Felsenstein Medical Research Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Keren Masha Rabinowitz
- Division of Gastroenterology, Rabin Medical Center, Petah-Tikva, Israel
- Felsenstein Medical Research Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Danielle Keizer
- Division of Gastroenterology, Rabin Medical Center, Petah-Tikva, Israel
- Felsenstein Medical Research Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Hanan Abu-Taha
- Division of Gastroenterology, Rabin Medical Center, Petah-Tikva, Israel
- Felsenstein Medical Research Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Shoshana Schwartz
- Division of Gastroenterology, Rabin Medical Center, Petah-Tikva, Israel
- Felsenstein Medical Research Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Kawsar Kaboub
- Division of Gastroenterology, Rabin Medical Center, Petah-Tikva, Israel
- Felsenstein Medical Research Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Liran Baram
- Felsenstein Medical Research Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Eran Sadot
- Division of Surgery, Rabin Medical Center, Petah-Tikva, Israel
| | - Ian White
- Division of Surgery, Rabin Medical Center, Petah-Tikva, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Nir Wasserberg
- Division of Surgery, Rabin Medical Center, Petah-Tikva, Israel
| | - Meirav Wolff-Bar
- Department of Pathology, Rabin Medical Center, Petah-Tikva, Israel
| | | | - Iris Dotan
- Division of Gastroenterology, Rabin Medical Center, Petah-Tikva, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- *Correspondence: Iris Dotan, ; Sarit Cohen-Kedar,
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Schwartz S, Clerget A, Perogamvros L. Treatment of nightmares with imagery rehearsal therapy and targeted memory reactivation. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.126] [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: 11/29/2022]
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Henckaerts P, Borghese F, Guy F, Mayo C, Delplanque S, Schwartz S, Perogamvros L. Association between REM sleep, dreaming and stress levels in patients with social anxiety disorder. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.089] [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: 11/16/2022]
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Legendre G, Moyne M, Dominguez-Borras J, Sterpenich V, Grandjean D, Schwartz S, Arnal L. Sleep and Shouts: the intrinsically aversive nature of rough sounds is preserved during NREM sleep. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.078] [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: 10/17/2022]
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Borghese F, Henckaerts P, Guy F, Mayo C, Delplanque S, Schwartz S, Perogamvros L. Targeted Memory Reactivation during REM sleep: implications in the treatment of social anxiety disorder. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.120] [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: 10/17/2022]
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Perrault A, Maltezos A, Pomares F, Smith D, Cross N, Gong K, McCarthy M, McGrath J, Savard J, Schwartz S, Gouin JP, Dang Vu T. Cognitive-behavioral therapy for insomnia reduces sleep duration misperception in chronic insomnia. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.312] [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: 11/28/2022]
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Rangwalla S, Cortes L, Buckley K, McClelland G, Pai S, Schwartz S, Coste F. 211 Increasing body mass index percentile in cystic fibrosis clinic using novel algorithm. J Cyst Fibros 2022. [DOI: 10.1016/s1569-1993(22)00901-8] [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: 11/06/2022]
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Pai S, Outterson B, Castelan M, Schwartz S. 98 Improving Quarterly Out-Patient Pediatric cystic fibrosis (CF) Clinic Visits. J Cyst Fibros 2022. [DOI: 10.1016/s1569-1993(22)00789-5] [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: 11/06/2022]
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Tachibana S, Sawada H, Okazaki R, Takano Y, Sakamoto K, Miura YN, Okamoto C, Yano H, Yamanouchi S, Michel P, Zhang Y, Schwartz S, Thuillet F, Yurimoto H, Nakamura T, Noguchi T, Yabuta H, Naraoka H, Tsuchiyama A, Imae N, Kurosawa K, Nakamura AM, Ogawa K, Sugita S, Morota T, Honda R, Kameda S, Tatsumi E, Cho Y, Yoshioka K, Yokota Y, Hayakawa M, Matsuoka M, Sakatani N, Yamada M, Kouyama T, Suzuki H, Honda C, Yoshimitsu T, Kubota T, Demura H, Yada T, Nishimura M, Yogata K, Nakato A, Yoshitake M, Suzuki AI, Furuya S, Hatakeda K, Miyazaki A, Kumagai K, Okada T, Abe M, Usui T, Ireland TR, Fujimoto M, Yamada T, Arakawa M, Connolly HC, Fujii A, Hasegawa S, Hirata N, Hirata N, Hirose C, Hosoda S, Iijima Y, Ikeda H, Ishiguro M, Ishihara Y, Iwata T, Kikuchi S, Kitazato K, Lauretta DS, Libourel G, Marty B, Matsumoto K, Michikami T, Mimasu Y, Miura A, Mori O, Nakamura-Messenger K, Namiki N, Nguyen AN, Nittler LR, Noda H, Noguchi R, Ogawa N, Ono G, Ozaki M, Senshu H, Shimada T, Shimaki Y, Shirai K, Soldini S, Takahashi T, Takei Y, Takeuchi H, Tsukizaki R, Wada K, Yamamoto Y, Yoshikawa K, Yumoto K, Zolensky ME, Nakazawa S, Terui F, Tanaka S, Saiki T, Yoshikawa M, Watanabe S, Tsuda Y. Pebbles and sand on asteroid (162173) Ryugu: In situ observation and particles returned to Earth. Science 2022; 375:1011-1016. [PMID: 35143255 DOI: 10.1126/science.abj8624] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The Hayabusa2 spacecraft investigated the C-type (carbonaceous) asteroid (162173) Ryugu. The mission performed two landing operations to collect samples of surface and subsurface material, the latter exposed by an artificial impact. We present images of the second touchdown site, finding that ejecta from the impact crater was present at the sample location. Surface pebbles at both landing sites show morphological variations ranging from rugged to smooth, similar to Ryugu's boulders, and shapes from quasi-spherical to flattened. The samples were returned to Earth on 6 December 2020. We describe the morphology of >5 grams of returned pebbles and sand. Their diverse color, shape, and structure are consistent with the observed materials of Ryugu; we conclude that they are a representative sample of the asteroid.
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Affiliation(s)
- S Tachibana
- UTokyo Organization for Planetary and Space Science-Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan.,Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - H Sawada
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - R Okazaki
- Department of Earth and Planetary Sciences, Kyushu University, Fukuoka 812-8581, Japan
| | - Y Takano
- Biogeochemistry Research Center, Japan Agency for Marine-Earth Science and Technology, Kanagawa 237-0061, Japan
| | - K Sakamoto
- UTokyo Organization for Planetary and Space Science-Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan.,Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Y N Miura
- Earthquake Research Institute, The University of Tokyo, Tokyo 113-0032, Japan
| | - C Okamoto
- Department of Planetology, Kobe University, Kobe 657-8501, Japan
| | - H Yano
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - S Yamanouchi
- Department of Earth and Planetary Sciences, Kyushu University, Fukuoka 812-8581, Japan
| | - P Michel
- Université Côte d'Azur, Observatoire de la Côte d'Azur, Centre national de la recherche scientifique, Laboratoire Lagrange, F-06304 Nice CEDEX 4, France
| | - Y Zhang
- Université Côte d'Azur, Observatoire de la Côte d'Azur, Centre national de la recherche scientifique, Laboratoire Lagrange, F-06304 Nice CEDEX 4, France
| | - S Schwartz
- Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85705, USA.,Planetary Science Institute, Tucson, AZ 85719, USA
| | - F Thuillet
- Université Côte d'Azur, Observatoire de la Côte d'Azur, Centre national de la recherche scientifique, Laboratoire Lagrange, F-06304 Nice CEDEX 4, France
| | - H Yurimoto
- Department of Earth and Planetary Sciences, Hokkaido University, Sapporo 060-0810, Japan
| | - T Nakamura
- Department of Earth Sciences, Tohoku University, Sendai 980-8578, Japan
| | - T Noguchi
- Department of Earth and Planetary Sciences, Kyushu University, Fukuoka 812-8581, Japan.,Division of Earth and Planetary Sciences, Kyoto University, Kyoto, Japan
| | - H Yabuta
- Department of Earth and Planetary Systems Science, Hiroshima University, Higashi-Hiroshima 739-8526, Japan
| | - H Naraoka
- Department of Earth and Planetary Sciences, Kyushu University, Fukuoka 812-8581, Japan
| | - A Tsuchiyama
- Research Organization of Science and Technology, Ritsumeikan University, Kusatsu 525-8577, Japan.,Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
| | - N Imae
- Polar Science Resources Center, National Institute of Polar Research, Tokyo 190-8518, Japan
| | - K Kurosawa
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - A M Nakamura
- Department of Planetology, Kobe University, Kobe 657-8501, Japan
| | - K Ogawa
- JAXA Space Exploration Center, JAXA, Sagamihara 252-5210, Japan
| | - S Sugita
- UTokyo Organization for Planetary and Space Science-Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - T Morota
- UTokyo Organization for Planetary and Space Science-Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - R Honda
- Department of Information Science, Kochi University, Kochi 780-8520, Japan
| | - S Kameda
- Department of Physics, Rikkyo University, Tokyo 171-8501, Japan
| | - E Tatsumi
- UTokyo Organization for Planetary and Space Science-Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan.,Instituto de Astrofísica de Canarias, University of La Laguna, E-38205 Tenerife, Spain
| | - Y Cho
- UTokyo Organization for Planetary and Space Science-Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - K Yoshioka
- UTokyo Organization for Planetary and Space Science-Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - Y Yokota
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Hayakawa
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Matsuoka
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - N Sakatani
- Department of Physics, Rikkyo University, Tokyo 171-8501, Japan
| | - M Yamada
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - T Kouyama
- Information Technology and Human Factors, National Institute of Advanced Industrial Science and Technology, Tokyo 135-0064, Japan
| | - H Suzuki
- Department of Physics, Meiji University, Kawasaki 214-8571, Japan
| | - C Honda
- Aizu Research Center for Space Informatics, University of Aizu, Aizu-Wakamatsu 965-8580, Japan
| | - T Yoshimitsu
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - T Kubota
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - H Demura
- Aizu Research Center for Space Informatics, University of Aizu, Aizu-Wakamatsu 965-8580, Japan
| | - T Yada
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Nishimura
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Yogata
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - A Nakato
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Yoshitake
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - A I Suzuki
- Marine Works Japan Ltd., Yokosuka 237-0063, Japan.,Department of Economics, Toyo University, Tokyo 112-8606, Japan
| | - S Furuya
- UTokyo Organization for Planetary and Space Science-Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan.,Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Hatakeda
- Marine Works Japan Ltd., Yokosuka 237-0063, Japan
| | - A Miyazaki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Kumagai
- Marine Works Japan Ltd., Yokosuka 237-0063, Japan
| | - T Okada
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Abe
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies, SOKENDAI, Hayama 240-0193, Japan
| | - T Usui
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - T R Ireland
- School of Earth and Environmental Sciences, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - M Fujimoto
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - T Yamada
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Arakawa
- Department of Planetology, Kobe University, Kobe 657-8501, Japan
| | - H C Connolly
- Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85705, USA.,Department of Geology, Rowan University, Glassboro, NJ 08028, USA
| | - A Fujii
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - S Hasegawa
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - N Hirata
- Aizu Research Center for Space Informatics, University of Aizu, Aizu-Wakamatsu 965-8580, Japan
| | - N Hirata
- Department of Planetology, Kobe University, Kobe 657-8501, Japan
| | - C Hirose
- Research and Development Directorate, JAXA, Sagamihara 252-5210, Japan
| | - S Hosoda
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - Y Iijima
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - H Ikeda
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Ishiguro
- Department of Physics and Astronomy, Seoul National University, Seoul 08826, Korea
| | - Y Ishihara
- JAXA Space Exploration Center, JAXA, Sagamihara 252-5210, Japan
| | - T Iwata
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies, SOKENDAI, Hayama 240-0193, Japan
| | - S Kikuchi
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - K Kitazato
- Aizu Research Center for Space Informatics, University of Aizu, Aizu-Wakamatsu 965-8580, Japan
| | - D S Lauretta
- Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85705, USA
| | - G Libourel
- Université Côte d'Azur, Observatoire de la Côte d'Azur, Centre national de la recherche scientifique, Laboratoire Lagrange, F-06304 Nice CEDEX 4, France
| | - B Marty
- Université de Lorraine, Centre national de la recherche scientifique, Centre de Recherches Pétrographiques et Géochimiques, F-54000 Nancy, France
| | - K Matsumoto
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan.,Department of Astronomical Science, The Graduate University for Advanced Studies, SOKENDAI, Hayama 240-0193, Japan
| | - T Michikami
- Department of Mechanical Engineering, Kindai University, Higashi-Hiroshima 739-2116, Japan
| | - Y Mimasu
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - A Miura
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies, SOKENDAI, Hayama 240-0193, Japan
| | - O Mori
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | | | - N Namiki
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan.,Department of Astronomical Science, The Graduate University for Advanced Studies, SOKENDAI, Hayama 240-0193, Japan
| | - A N Nguyen
- NASA Johnson Space Center, Houston, TX 77058, USA
| | - L R Nittler
- Carnegie Institution for Science, Washington, DC 20015, USA
| | - H Noda
- National Astronomical Observatory of Japan, Mitaka 181-8588, Japan.,Department of Astronomical Science, The Graduate University for Advanced Studies, SOKENDAI, Hayama 240-0193, Japan
| | - R Noguchi
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Science, Niigata University, Niigata 950-2181, Japan
| | - N Ogawa
- JAXA Space Exploration Center, JAXA, Sagamihara 252-5210, Japan
| | - G Ono
- Research and Development Directorate, JAXA, Sagamihara 252-5210, Japan
| | - M Ozaki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies, SOKENDAI, Hayama 240-0193, Japan
| | - H Senshu
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - T Shimada
- JAXA Space Exploration Center, JAXA, Sagamihara 252-5210, Japan
| | - Y Shimaki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Shirai
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - S Soldini
- Department of Mechanical, Materials and Aerospace Engineering, University of Liverpool, Liverpool L69 3BX, UK
| | | | - Y Takei
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Research and Development Directorate, JAXA, Sagamihara 252-5210, Japan
| | - H Takeuchi
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies, SOKENDAI, Hayama 240-0193, Japan
| | - R Tsukizaki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - K Wada
- Planetary Exploration Research Center, Chiba Institute of Technology, Narashino 275-0016, Japan
| | - Y Yamamoto
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies, SOKENDAI, Hayama 240-0193, Japan
| | - K Yoshikawa
- Research and Development Directorate, JAXA, Sagamihara 252-5210, Japan
| | - K Yumoto
- UTokyo Organization for Planetary and Space Science-Department of Earth and Planetary Science, The University of Tokyo, Tokyo 113-0033, Japan
| | - M E Zolensky
- NASA Johnson Space Center, Houston, TX 77058, USA
| | - S Nakazawa
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - F Terui
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - S Tanaka
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies, SOKENDAI, Hayama 240-0193, Japan
| | - T Saiki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan
| | - M Yoshikawa
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, The Graduate University for Advanced Studies, SOKENDAI, Hayama 240-0193, Japan
| | - S Watanabe
- Department of Earth and Environmental Sciences, Nagoya University, Nagoya 464-8601, Japan
| | - Y Tsuda
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), Sagamihara 252-5210, Japan.,Department of Aeronautics and Astronautics, The University of Tokyo, Tokyo 113-0033, Japan
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Schwartz S, Pai S, Beachler D, Fullmer J. 135: Improving cystic fibrosis (CF) patient registry timely data entry. J Cyst Fibros 2021. [DOI: 10.1016/s1569-1993(21)01560-5] [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: 10/20/2022]
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Hamilton J, Tasik G, Sao K, Bodde J, Gajrawala E, Huang N, Kolar E, Corkey B, Deeney J, Hajjar D, Gotto A, Erion K, Burritt N, Sitaram M, Schwartz S, Sponseller C. Effects of different statins on glucose-induced CA2+ oscillations and oxygen consumption from pancreatic β-cells: Mechanisms and clinical implications. Atherosclerosis 2021. [DOI: 10.1016/j.atherosclerosis.2021.06.518] [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: 11/25/2022]
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12
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Latz C, Boitano L, Schwartz S, Swerdlow N, Dansey K, Varkevisser R, Patel V, Schermerhorn M. Mortality is High Following Elective Open Repair of Complex Abdominal Aortic Aneurysms. J Vasc Surg 2021. [DOI: 10.1016/j.jvs.2020.12.014] [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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13
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Eshun-Wilson I, Kim HY, Schwartz S, Conte M, Glidden DV, Geng EH. Exploring Relative Preferences for HIV Service Features Using Discrete Choice Experiments: a Synthetic Review. Curr HIV/AIDS Rep 2020; 17:467-477. [PMID: 32860150 PMCID: PMC7497362 DOI: 10.1007/s11904-020-00520-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
PURPOSE OF REVIEW Aligning HIV treatment services with patient preferences can promote long-term engagement. A rising number of studies solicit such preferences using discrete choice experiments, but have not been systematically reviewed to seek generalizable insights. Using a systematic search, we identified eleven choice experiments evaluating preferences for HIV treatment services published between 2004 and 2020. RECENT FINDINGS Across settings, the strongest preference was for nice, patient-centered providers, for which participants were willing to trade considerable amounts of time, money, and travel distance. In low- and middle-income countries, participants also preferred collecting antiretroviral therapy (ART) less frequently than 1 monthly, but showed no strong preference for 3-compared with 6-month refill frequency. Facility waiting times and travel distances were also important but were frequently outranked by stronger preferences. Health facility-based services were preferred to community- or home-based services, but this preference varied by setting. In high-income countries, the availability of unscheduled appointments was highly valued. Stigma was rarely explored and costs were a ubiquitous driver of preferences. While present improvement efforts have focused on designs to enhance access (reduced waiting time, travel distance, and ART refill frequency), few initiatives focus on the patient-provider interaction, which represents a promising critical area for inquiry and investment. If HIV programs hope to truly deliver patient-centered care, they will need to incorporate patient preferences into service delivery strategies. Discrete choice experiments can not only inform such strategies but also contribute to prioritization efforts for policy-making decisions.
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Affiliation(s)
- I Eshun-Wilson
- Division of Infectious Disease, School of Medicine, Washington University in St. Louis, Childrens Pl, St. Louis, MO, 63110, USA.
| | - H-Y Kim
- Department of Population Health, New York University School of Medicine, New York, USA
| | - S Schwartz
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - M Conte
- Zucker School of Medicine at Hofstra/Northwell in Hempstead, New York, USA
| | - D V Glidden
- Department of Epidemiology, University of California, San Francisco, USA
| | - E H Geng
- Division of Infectious Disease, School of Medicine, Washington University in St. Louis, Childrens Pl, St. Louis, MO, 63110, USA
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Bennell KL, Nelligan RK, Kimp AJ, Schwartz S, Kasza J, Wrigley TV, Metcalf B, Hodges PW, Hinman RS. Response to Letter to Editor: "Comment on the TARGET trial by Bennell et al: was the interpretation of similar improvement based on equivalence analysis?". Osteoarthritis Cartilage 2020; 28:1146. [PMID: 32413464 DOI: 10.1016/j.joca.2020.04.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 04/27/2020] [Indexed: 02/02/2023]
Affiliation(s)
- K L Bennell
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, Vic, Australia.
| | - R K Nelligan
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, Vic, Australia.
| | - A J Kimp
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, Vic, Australia.
| | - S Schwartz
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, Vic, Australia.
| | - J Kasza
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia.
| | - T V Wrigley
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, Vic, Australia.
| | - B Metcalf
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, Vic, Australia.
| | - P W Hodges
- The University of Queensland, Centre for Clinical Research Excellence in Spinal Pain, Injury and Health, School of Health and Rehabilitation Sciences, QLD, Australia.
| | - R S Hinman
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, Vic, Australia.
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15
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Bennell KL, Nelligan RK, Kimp AJ, Schwartz S, Kasza J, Wrigley TV, Metcalf B, Hodges PW, Hinman RS. What type of exercise is most effective for people with knee osteoarthritis and co-morbid obesity?: The TARGET randomized controlled trial. Osteoarthritis Cartilage 2020; 28:755-765. [PMID: 32200051 DOI: 10.1016/j.joca.2020.02.838] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 01/23/2020] [Accepted: 02/10/2020] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Different exercise types may yield different outcomes in osteoarthritis (OA) subgroups. The objective was to directly compare effectiveness of two exercise programs for people with medial knee OA and co-morbid obesity. DESIGN We performed a participant- and assessor-blinded randomized controlled trial. 128 people ≥50 years with medial knee OA and body mass index ≥30 kg/m2 were recruited from the community. Interventions were home-based non-weight bearing (NWB) quadriceps strengthening or weight bearing (WB) functional exercise for 12 weeks. Primary outcomes were change in overall knee pain (numeric rating scale, range 0-10) and difficulty with physical function (Western Ontario and McMaster Universities Osteoarthritis Index, 0-68) over 12 weeks. Secondary outcomes included other pain measures, physical function, quality-of-life, global changes, physical performance, and lower-limb muscle strength. RESULTS 123 (96%) participants were retained. There was no evidence of a between-group difference in change in pain (mean difference 0.73 units (95% confidence intervals (0.05,1.50)) or function (2.80 units (-1.17,6.76)), with both groups reporting improvements. For secondary outcomes, the WB group had greater improvement in quality-of-life (-0.043 units (-0.085,-0.001)) and more participants reporting global improvement (overall: relative risk 1.40 (0.98,2.01); pain 1.47 (0.97,2.24); function 1.43 (1.04,1.98). Although adverse events were minor, more NWB group participants reported ≥1 adverse event (26/66 (39%) vs 14/62 (23%), p = 0.04). CONCLUSIONS Both exercise types similarly improved primary outcomes of pain and function and can be recommended for people with knee OA and obesity. WB exercise may be preferred given fewer adverse events and potential additional benefits on some secondary outcomes. REGISTRATION Prospectively registered (Australian New Zealand Clinical Trials Registry #12617001013358, 14/7/2017).
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Affiliation(s)
- K L Bennell
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, VIC, Australia.
| | - R K Nelligan
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, VIC, Australia.
| | - A J Kimp
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, VIC, Australia.
| | - S Schwartz
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, VIC, Australia.
| | - J Kasza
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia.
| | - T V Wrigley
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, VIC, Australia.
| | - B Metcalf
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, VIC, Australia.
| | - P W Hodges
- The University of Queensland, Centre for Clinical Research Excellence in Spinal Pain, Injury and Health, School of Health and Rehabilitation Sciences, QLD, Australia.
| | - R S Hinman
- The University of Melbourne, Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, School of Health Sciences, Melbourne, VIC, Australia.
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Williams P, Schwartz S. Abstract No. 645 Clinical experience with transjugular intrahepatic portosystemic shunt downsizing in patients with severe hepatic encephalopathy. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.706] [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: 10/25/2022] Open
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17
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Hadied M, Kherallah R, Schwartz S. Abstract No. 397 Partial splenic artery embolization for idiopathic warm autoimmune hemolytic anemia refractory to medical therapy. J Vasc Interv Radiol 2020. [DOI: 10.1016/j.jvir.2019.12.458] [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: 10/25/2022] Open
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18
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Baron J, Tirosh D, Mastrolia SA, Ben-Haroush Y, Schwartz S, Kerner Y, Hershkovitz R. Sliding sign in third-trimester sonographic evaluation of intra-abdominal adhesions in women undergoing repeat Cesarean section: a novel technique. Ultrasound Obstet Gynecol 2018; 52:662-665. [PMID: 29575202 DOI: 10.1002/uog.19057] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2017] [Revised: 01/28/2018] [Accepted: 03/13/2018] [Indexed: 06/08/2023]
Abstract
OBJECTIVE Intra-abdominal adhesions are associated with an increased risk of complications during repeat Cesarean section (CS), such as bladder and bowel injury, hemorrhage, infection and hysterectomy. We present a simple sonographic marker, the 'sliding sign' of the uterus, for the prediction of intra-abdominal adhesions in the third trimester of pregnancy in women undergoing repeat CS. METHODS This was a prospective observational study of pregnant women with a history of at least one Cesarean delivery evaluated by transabdominal ultrasound during the third trimester of an ongoing pregnancy. In order to diagnose intra-abdominal adhesions, we assessed a sonographic sign, the sliding of the uterus under the inner part of the fascia of the abdominal muscles during deep breathing. Women were considered to be at high risk for severe adhesions if uterine sliding was absent and at low risk in the presence of obvious or moderate uterine sliding. A comparison between sonographic findings and intra-abdominal adhesions observed during surgery was performed. RESULTS Of the 63 patients with one or more previous CS examined, 59 completed the study and underwent CS at our institution. In 16 of the 19 cases assigned to the high-risk group for severe adhesions due to absence of sliding of the uterus, the suspicion was confirmed at surgery. The prediction of low risk for adhesions was confirmed in 35 out of 40 patients. The sensitivity and specificity of the sliding sign in predicting presence of intra-abdominal adhesions in women undergoing repeat CS were 76.2% and 92.1%, respectively. Inter- and intraobserver correlation using Cohen's kappa coefficient were 0.52 and 0.77, respectively. CONCLUSION Our data show that a simple sonographic sign might be able to discriminate between high and low risk for intra-abdominal adhesions in patients with a history of Cesarean delivery. This technique may aid clinical decisions in patients undergoing repeat CS. Copyright © 2018 ISUOG. Published by John Wiley & Sons Ltd.
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Affiliation(s)
- J Baron
- US Unit, Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben Gurion University of the Negev, Beer Sheva, Israel
| | - D Tirosh
- US Unit, Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben Gurion University of the Negev, Beer Sheva, Israel
| | - S A Mastrolia
- Department of Maternal Fetal Medicine, Fondazione MBBM, San Gerardo Hospital, University of Milano Bicocca, Monza, Italy
| | - Y Ben-Haroush
- US Unit, Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben Gurion University of the Negev, Beer Sheva, Israel
| | - S Schwartz
- US Unit, Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben Gurion University of the Negev, Beer Sheva, Israel
| | - Y Kerner
- Department of Industrial Engineering and Management, Ben Gurion University of the Negev, Beer Sheva, Israel
| | - R Hershkovitz
- US Unit, Department of Obstetrics and Gynecology, Soroka University Medical Center, Ben Gurion University of the Negev, Beer Sheva, Israel
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19
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Voss N, Dixon TH, Liu Z, Malservisi R, Protti M, Schwartz S. Do slow slip events trigger large and great megathrust earthquakes? Sci Adv 2018; 4:eaat8472. [PMID: 30402540 PMCID: PMC6209384 DOI: 10.1126/sciadv.aat8472] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 09/27/2018] [Indexed: 06/08/2023]
Abstract
Slow slip events have been suggested to trigger subduction earthquakes. However, examples to date have been poorly recorded, occurring offshore, where data are sparse. Better understanding of slow slip events and their influence on subsequent earthquakes is critical for hazard forecasts. We analyze a well-recorded event beginning 6 months before the 2012 M w (moment magnitude) 7.6 earthquake in Costa Rica. The event migrates to the eventual megathrust rupture. Peak slip rate reached a maximum of 5 mm/day, 43 days before the earthquake, remaining high until the earthquake. However, changes in Mohr-Coulomb failure stress at the hypocenter were small (0.1 bar). Our data contradict models of earthquake nucleation that involve power law acceleration of slip and foreshocks. Slow slip events may prove useful for short-term earthquake forecasts.
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Affiliation(s)
- N. Voss
- School of Geosciences, University of South Florida, Tampa, FL, USA
| | - T. H. Dixon
- School of Geosciences, University of South Florida, Tampa, FL, USA
| | - Z. Liu
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
| | - R. Malservisi
- School of Geosciences, University of South Florida, Tampa, FL, USA
| | - M. Protti
- Universidad Nacional, OVSICORI, Heredia, Costa Rica
| | - S. Schwartz
- Earth and Planetary Sciences, University of California Santa Cruz, Santa Cruz, CA, USA
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20
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Cacicedo ML, Islan GA, León IE, Álvarez VA, Chourpa I, Allard-Vannier E, García-Aranda N, Díaz-Riascos ZV, Fernández Y, Schwartz S, Abasolo I, Castro GR. Bacterial cellulose hydrogel loaded with lipid nanoparticles for localized cancer treatment. Colloids Surf B Biointerfaces 2018; 170:596-608. [PMID: 29975908 DOI: 10.1016/j.colsurfb.2018.06.056] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [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: 03/26/2018] [Revised: 06/14/2018] [Accepted: 06/25/2018] [Indexed: 12/19/2022]
Abstract
The use of hybrid materials, where a matrix sustains nanoparticles controlling the release of the chemotherapeutic drug, could be beneficial for the treatment of primary tumors prior or after surgery. This localized chemotherapy would guarantee high drug concentrations at the tumor site while precluding systemic drug exposure minimizing undesirable side effects. We combined bacterial cellulose hydrogel (BC) and nanostructured lipid carriers (NLCs) including doxorubicin (Dox) as a drug model. NLCs loaded with cationic Dox (NLCs-H) or neutral Dox (NLCs-N) were fully characterized and their cell internalization and cytotoxic efficacy were evaluated in vitro against MDA-MB-231 cells. Thereafter, a fixed combination of NLCs-H and NLCs-N loaded into BC (BC-NLCs-NH) was assayed in vivo into an orthotopic breast cancer mouse model. NLCs-H showed low encapsulation efficiency (48%) and fast release of the drug while NLCs-N showed higher encapsulation (97%) and sustained drug release. Both NLCs internalized via endocytic pathway, while allowing a sustained release of the Dox, which in turn rendered IC50 values below of those of free Dox. Taking advantage of the differential drug release, a mixture of NLCs-N and NLCs-H was encapsulated into BC matrix (BC-NLCs-NH) and assayed in vivo, showing a significant reduction of tumor growth, metastasis incidence and local drug toxicities.
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Affiliation(s)
- M L Cacicedo
- Nanobiomaterials Lab, CINDEFI, School of Sciences, National University of La Plata-CONICET (CCT La Plata), 50 & 115 street, CP 1900 AJL, City of La Plata, Buenos Aires, Argentina
| | - G A Islan
- Nanobiomaterials Lab, CINDEFI, School of Sciences, National University of La Plata-CONICET (CCT La Plata), 50 & 115 street, CP 1900 AJL, City of La Plata, Buenos Aires, Argentina
| | - I E León
- Chemical Inorganic Center (CEQUINOR, UNLP, CONICET), School of Sciences, National University of La Plata-CONICET (CCT La Plata), CP 1900 AJL, City of La Plata, Buenos Aires, Argentina
| | - V A Álvarez
- CoMP (Composite Materials Group), Research Institute of Material Science and Technology (INTEMA), Engineering School, National University of Mar del Plata, Av. Colón 10890, B7608FDQ, Mar del Plata, Argentina
| | - I Chourpa
- Université Francois-Rabelais de Tours, EA6295″Nanomedicaments et Nanosondes", 31 Avenue Monge, 37200, Tours, France
| | - E Allard-Vannier
- Université Francois-Rabelais de Tours, EA6295″Nanomedicaments et Nanosondes", 31 Avenue Monge, 37200, Tours, France
| | - N García-Aranda
- Functional Validation & Preclinical Research (FVPR), CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Drug Delivery & Targeting Group, CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Barcelona, Spain
| | - Z V Díaz-Riascos
- Functional Validation & Preclinical Research (FVPR), CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Barcelona, Spain
| | - Y Fernández
- Functional Validation & Preclinical Research (FVPR), CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Drug Delivery & Targeting Group, CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Barcelona, Spain
| | - S Schwartz
- Drug Delivery & Targeting Group, CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Barcelona, Spain.
| | - I Abasolo
- Functional Validation & Preclinical Research (FVPR), CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Drug Delivery & Targeting Group, CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Barcelona, Spain.
| | - G R Castro
- Nanobiomaterials Lab, CINDEFI, School of Sciences, National University of La Plata-CONICET (CCT La Plata), 50 & 115 street, CP 1900 AJL, City of La Plata, Buenos Aires, Argentina.
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21
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Chen LJ, Wang S, Wilson LB, Schwartz S, Bessho N, Moore T, Gershman D, Giles B, Malaspina D, Wilder FD, Ergun RE, Hesse M, Lai H, Russell C, Strangeway R, Torbert RB, F-Vinas A, Burch J, Lee S, Pollock C, Dorelli J, Paterson W, Ahmadi N, Goodrich K, Lavraud B, Le Contel O, Khotyaintsev YV, Lindqvist PA, Boardsen S, Wei H, Le A, Avanov L. Electron Bulk Acceleration and Thermalization at Earth's Quasiperpendicular Bow Shock. Phys Rev Lett 2018; 120:225101. [PMID: 29906189 DOI: 10.1103/physrevlett.120.225101] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 03/30/2018] [Indexed: 06/08/2023]
Abstract
Electron heating at Earth's quasiperpendicular bow shock has been surmised to be due to the combined effects of a quasistatic electric potential and scattering through wave-particle interaction. Here we report the observation of electron distribution functions indicating a new electron heating process occurring at the leading edge of the shock front. Incident solar wind electrons are accelerated parallel to the magnetic field toward downstream, reaching an electron-ion relative drift speed exceeding the electron thermal speed. The bulk acceleration is associated with an electric field pulse embedded in a whistler-mode wave. The high electron-ion relative drift is relaxed primarily through a nonlinear current-driven instability. The relaxed distributions contain a beam traveling toward the shock as a remnant of the accelerated electrons. Similar distribution functions prevail throughout the shock transition layer, suggesting that the observed acceleration and thermalization is essential to the cross-shock electron heating.
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Affiliation(s)
- L-J Chen
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
- Department of Astronomy, University of Maryland, College Park, Maryland 20747, USA
| | - S Wang
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
- Department of Astronomy, University of Maryland, College Park, Maryland 20747, USA
| | - L B Wilson
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
| | - S Schwartz
- Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80305, USA
| | - N Bessho
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
- Department of Astronomy, University of Maryland, College Park, Maryland 20747, USA
| | - T Moore
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
| | - D Gershman
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
| | - B Giles
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
| | - D Malaspina
- Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80305, USA
| | - F D Wilder
- Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80305, USA
| | - R E Ergun
- Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80305, USA
| | - M Hesse
- University of Bergen, Bergen 5020, Norway
| | - H Lai
- University of California, Los Angeles, Los Angeles, California 90095, USA
| | - C Russell
- University of California, Los Angeles, Los Angeles, California 90095, USA
| | - R Strangeway
- University of California, Los Angeles, Los Angeles, California 90095, USA
| | - R B Torbert
- Southwest Research Institute, San Antonio, Texas 78238, USA
| | - A F-Vinas
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
| | - J Burch
- Southwest Research Institute, San Antonio, Texas 78238, USA
| | - S Lee
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
| | - C Pollock
- Denali Scientific, Healy, Alaska 99743, USA
| | - J Dorelli
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
| | - W Paterson
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
| | - N Ahmadi
- Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80305, USA
| | - K Goodrich
- Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, Colorado 80305, USA
| | - B Lavraud
- Institut de Recherche en Astrophysique et Planétologie, Université de Toulouse (UPS), CNRS, CNES, Toulouse, 31028 Cedex 4, France
| | - O Le Contel
- Laboratoire de Physique des Plasmas (UMR7648), CNRS/Ecole Polytechnique/Sorbonne Université/Univ. Paris Sud/Observatoire de Paris, Paris, F91128 Palaiseau Cedex, France
| | | | - P-A Lindqvist
- KTH Royal Institute of Technology, Stockholm SE-11428, Sweden
| | - S Boardsen
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
- Department of Astronomy, University of Maryland, College Park, Maryland 20747, USA
| | - H Wei
- University of California, Los Angeles, Los Angeles, California 90095, USA
| | - A Le
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - L Avanov
- NASA, Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
- Department of Astronomy, University of Maryland, College Park, Maryland 20747, USA
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22
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Tang WW, McGee P, Lachin JM, Li DY, Hoogwerf B, Hazen SL, Nathan D, Zinman B, Crofford O, Genuth S, Brown‐Friday J, Crandall J, Engel H, Engel S, Martinez H, Phillips M, Reid M, Shamoon H, Sheindlin J, Gubitosi‐Klug R, Mayer L, Pendegast S, Zegarra H, Miller D, Singerman L, Smith‐Brewer S, Novak M, Quin J, Genuth S, Palmert M, Brown E, McConnell J, Pugsley P, Crawford P, Dahms W, Gregory N, Lackaye M, Kiss S, Chan R, Orlin A, Rubin M, Brillon D, Reppucci V, Lee T, Heinemann M, Chang S, Levy B, Jovanovic L, Richardson M, Bosco B, Dwoskin A, Hanna R, Barron S, Campbell R, Bhan A, Kruger D, Jones J, Edwards P, Bhan A, Carey J, Angus E, Thomas A, Galprin A, McLellan M, Whitehouse F, Bergenstal R, Johnson M, Gunyou K, Thomas L, Laechelt J, Hollander P, Spencer M, Kendall D, Cuddihy R, Callahan P, List S, Gott J, Rude N, Olson B, Franz M, Castle G, Birk R, Nelson J, Freking D, Gill L, Mestrezat W, Etzwiler D, Morgan K, Aiello L, Golden E, Arrigg P, Asuquo V, Beaser R, Bestourous L, Cavallerano J, Cavicchi R, Ganda O, Hamdy O, Kirby R, Murtha T, Schlossman D, Shah S, Sharuk G, Silva P, Silver P, Stockman M, Sun J, Weimann E, Wolpert H, Aiello L, Jacobson A, Rand L, Rosenzwieg J, Nathan D, Larkin M, Christofi M, Folino K, Godine J, Lou P, Stevens C, Anderson E, Bode H, Brink S, Cornish C, Cros D, Delahanty L, eManbey ., Haggan C, Lynch J, McKitrick C, Norman D, Moore D, Ong M, Taylor C, Zimbler D, Crowell S, Fritz S, Hansen K, Gauthier‐Kelly C, Service F, Ziegler G, Barkmeier A, Schmidt L, French B, Woodwick R, Rizza R, Schwenk W, Haymond M, Pach J, Mortenson J, Zimmerman B, Lucas A, Colligan R, Luttrell L, Lopes‐Virella M, Caulder S, Pittman C, Patel N, Lee K, Nutaitis M, Fernandes J, Hermayer K, Kwon S, Blevins A, Parker J, Colwell J, Lee D, Soule J, Lindsey P, Bracey M, Farr A, Elsing S, Thompson T, Selby J, Lyons T, Yacoub‐Wasef S, Szpiech M, Wood D, Mayfield R, Molitch M, Adelman D, Colson S, Jampol L, Lyon A, Gill M, Strugula Z, Kaminski L, Mirza R, Simjanoski E, Ryan D, Johnson C, Wallia A, Ajroud‐Driss S, Astelford P, Leloudes N, Degillio A, Schaefer B, Mudaliar S, Lorenzi G, Goldbaum M, Jones K, Prince M, Swenson M, Grant I, Reed R, Lyon R, Kolterman O, Giotta M, Clark T, Friedenberg G, Sivitz W, Vittetoe B, Kramer J, Bayless M, Zeitler R, Schrott H, Olson N, Snetselaar L, Hoffman R, MacIndoe J, Weingeist T, Fountain C, Miller R, Johnsonbaugh S, Patronas M, Carney M, Mendley S, Salemi P, Liss R, Hebdon M, Counts D, Donner T, Gordon J, Hemady R, Kowarski A, Ostrowski D, Steidl S, Jones B, Herman W, Martin C, Pop‐Busui R, Greene D, Stevens M, Burkhart N, Sandford T, Floyd J, Bantle J, Flaherty N, Terry J, Koozekanani D, Montezuma S, Wimmergren N, Rogness B, Mech M, Strand T, Olson J, McKenzie L, Kwong C, Goetz F, Warhol R, Hainsworth D, Goldstein D, Hitt S, Giangiacomo J, Schade D, Canady J, Burge M, Das A, Avery R, Ketai L, Chapin J, Schluter M, Rich J, Johannes C, Hornbeck D, Schutta M, Bourne P, Brucker A, Braunstein S, Schwartz S, Maschak‐Carey B, Baker L, Orchard T, Cimino L, Songer T, Doft B, Olson S, Becker D, Rubinstein D, Bergren R, Fruit J, Hyre R, Palmer C, Silvers N, Lobes L, Rath PP, Conrad P, Yalamanchi S, Wesche J, Bratkowksi M, Arslanian S, Rinkoff J, Warnicki J, Curtin D, Steinberg D, Vagstad G, Harris R, Steranchak L, Arch J, Kelly K, Ostrosaka P, Guiliani M, Good M, Williams T, Olsen K, Campbell A, Shipe C, Conwit R, Finegold D, Zaucha M, Drash A, Morrison A, Malone J, Bernal M, Pavan P, Grove N, Tanaka E, McMillan D, Vaccaro‐Kish J, Babbione L, Solc H, DeClue T, Dagogo‐Jack S, Wigley C, Ricks H, Kitabchi A, Chaum E, Murphy M, Moser S, Meyer D, Iannacone A, Yoser S, Bryer‐Ash M, Schussler S, Lambeth H, Raskin P, Strowig S, Basco M, Cercone S, Zinman B, Barnie A, Devenyi R, Mandelcorn M, Brent M, Rogers S, Gordon A, Bakshi N, Perkins B, Tuason L, Perdikaris F, Ehrlich R, Daneman D, Perlman K, Ferguson S, Palmer J, Fahlstrom R, de Boer I, Kinyoun J, Van Ottingham L, Catton S, Ginsberg J, McDonald C, Harth J, Driscoll M, Sheidow T, Mahon J, Canny C, Nicolle D, Colby P, Dupre J, Hramiak I, Rodger N, Jenner M, Smith T, Brown W, May M, Lipps Hagan J, Agarwal A, Adkins T, Lorenz R, Feman S, Survant L, White N, Levandoski L, Grand G, Thomas M, Joseph D, Blinder K, Shah G, Burgess D, Boniuk I, Santiago J, Tamborlane W, Gatcomb P, Stoessel K, Ramos P, Fong K, Ossorio P, Ahern J, Gubitosi‐Klug R, Meadema‐Mayer L, Beck C, Farrell K, Genuth S, Quin J, Gaston P, Palmert M, Trail R, Dahms W, Lachin J, Backlund J, Bebu I, Braffett B, Diminick L, Gao X, Hsu W, Klumpp K, Pan H, Trapani V, Cleary P, McGee P, Sun W, Villavicencio S, Anderson K, Dews L, Younes N, Rutledge B, Chan K, Rosenberg D, Petty B, Determan A, Kenny D, Williams C, Cowie C, Siebert C, Steffes M, Arends V, Bucksa J, Nowicki M, Chavers B, O'Leary D, Polak J, Harrington A, Funk L, Crow R, Gloeb B, Thomas S, O'Donnell C, Soliman E, Zhang Z, Li Y, Campbell C, Keasler L, Hensley S, Hu J, Barr M, Taylor T, Prineas R, Feldman E, Albers J, Low P, Sommer C, Nickander K, Speigelberg T, Pfiefer M, Schumer M, Moran M, Farquhar J, Ryan C, Sandstrom D, Williams T, Geckle M, Cupelli E, Thoma F, Burzuk B, Woodfill T, Danis R, Blodi B, Lawrence D, Wabers H, Gangaputra S, Neill S, Burger M, Dingledine J, Gama V, Sussman R, Davis M, Hubbard L, Budoff M, Darabian S, Rezaeian P, Wong N, Fox M, Oudiz R, Kim L, Detrano R, Cruickshanks K, Dalton D, Bainbridge K, Lima J, Bluemke D, Turkbey E, der Geest ., Liu C, Malayeri A, Jain A, Miao C, Chahal H, Jarboe R, Nathan D, Monnier V, Sell D, Strauch C, Hazen S, Pratt A, Tang W, Brunzell J, Purnell J, Natarajan R, Miao F, Zhang L, Chen Z, Paterson A, Boright A, Bull S, Sun L, Scherer S, Lopes‐Virella M, Lyons T, Jenkins A, Klein R, Virella G, Jaffa A, Carter R, Stoner J, Garvey W, Lackland D, Brabham M, McGee D, Zheng D, Mayfield R, Maynard J, Wessells H, Sarma A, Jacobson A, Dunn R, Holt S, Hotaling J, Kim C, Clemens Q, Brown J, McVary K. Oxidative Stress and Cardiovascular Risk in Type 1 Diabetes Mellitus: Insights From the DCCT/EDIC Study. J Am Heart Assoc 2018. [PMCID: PMC6015340 DOI: 10.1161/jaha.117.008368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background
Hyperglycemia leading to increased oxidative stress is implicated in the increased risk for the development of macrovascular and microvascular complications in patients with type 1 diabetes mellitus.
Methods and Results
A random subcohort of 349 participants was selected from the
DCCT
/
EDIC
(Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications) cohort. This included 320 controls and 29 cardiovascular disease cases that were augmented with 98 additional known cases to yield a case cohort of 447 participants (320 controls, 127 cases). Biosamples from
DCCT
baseline, year 1, and closeout of
DCCT
, and 1 to 2 years post‐
DCCT
(
EDIC
years 1 and 2) were measured for markers of oxidative stress, including plasma myeloperoxidase, paraoxonase activity, urinary F
2α
isoprostanes, and its metabolite, 2,3 dinor‐8
iso
prostaglandin F
2α
. Following adjustment for glycated hemoblobin and weighting the observations inversely proportional to the sampling selection probabilities, higher paraoxonase activity, reflective of antioxidant activity, and 2,3 dinor‐8
iso
prostaglandin F
2α
, an oxidative marker, were significantly associated with lower risk of cardiovascular disease (−4.5% risk for 10% higher paraoxonase,
P
<0.003; −5.3% risk for 10% higher 2,3 dinor‐8
iso
prostaglandin F
2α
,
P
=0.0092). In contrast, the oxidative markers myeloperoxidase and F
2α
isoprostanes were not significantly associated with cardiovascular disease after adjustment for glycated hemoblobin. There were no significant differences between
DCCT
intensive and conventional treatment groups in the change in all biomarkers across time segments.
Conclusions
Heightened antioxidant activity (rather than diminished oxidative stress markers) is associated with lower cardiovascular disease risk in type 1 diabetes mellitus, but these biomarkers did not change over time with intensification of glycemic control.
Clinical Trial Registration
URL
:
https://www.clinicaltrials.gov
. Unique identifiers:
NCT
00360815 and
NCT
00360893.
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Affiliation(s)
- W.H. Wilson Tang
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH
| | - Paula McGee
- The Biostatistics Center, George Washington University, Rockville, MD
| | - John M. Lachin
- The Biostatistics Center, George Washington University, Rockville, MD
| | - Daniel Y. Li
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
| | | | - Stanley L. Hazen
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH
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23
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Ghimire-Aryal P, Schwartz S, Sebastião YV, Anderson WM, Foulis PR. 0914 Association Between Obstructive Sleep Apnea, Nightmare Disorder and Incident Herpes Zoster. Sleep 2018. [DOI: 10.1093/sleep/zsy061.913] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
| | | | | | | | - P R Foulis
- James A. Haley Veterans Hospital, Tampa, FL
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24
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Scheer D, Schwartz S, Parr M, Zgibor J, Rajaram L. 0611 Incidence And Prevalence Of Narcolepsy In A U.S. Healthcare Claims Database, 2008–2010. Sleep 2018. [DOI: 10.1093/sleep/zsy061.610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- D Scheer
- University of South Florida, College of Public Health, Department of Epidemiology and Biostatistics, Tampa, FL
- Pharmaceutical Development Group, Inc., Tampa, FL
| | - S Schwartz
- University of South Florida, College of Public Health, Department of Epidemiology and Biostatistics, Tampa, FL
| | - M Parr
- EviCore Healthcare, Department of Sleep Medicine, Franklin, TN
| | - J Zgibor
- University of South Florida, College of Public Health, Department of Epidemiology and Biostatistics, Tampa, FL
| | - L Rajaram
- University of South Florida, College of Public Health, Department of Epidemiology and Biostatistics, Tampa, FL
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25
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Schwartz S, Kohan M, Pasion R, Papenhausen PR, Platt LD. Clinical experience of laboratory follow-up with noninvasive prenatal testing using cell-free DNA and positive microdeletion results in 349 cases. Prenat Diagn 2018; 38:210-218. [DOI: 10.1002/pd.5217] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 01/07/2018] [Accepted: 01/08/2018] [Indexed: 12/14/2022]
Affiliation(s)
- S. Schwartz
- Cytogenetics Laboratory, Laboratory Corporation of America® Holdings; Research Triangle Park NC 27709 USA
| | - M. Kohan
- Integrated Genetics, LabCorp Specialty Testing Group; 655 Huntington Drive Monrovia CA 91016 USA
| | - R. Pasion
- Cytogenetics Laboratory, Laboratory Corporation of America® Holdings; Research Triangle Park NC 27709 USA
| | - P. R. Papenhausen
- Cytogenetics Laboratory, Laboratory Corporation of America® Holdings; Research Triangle Park NC 27709 USA
| | - L. D. Platt
- David Geffen School of Medicine; UCLA; Los Angeles CA USA
- Center for Fetal Medicine and Women's Ultrasound; Los Angeles CA USA
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26
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Sterpenich V, Perogamvros L, Tononi G, Schwartz S. Experiencing fear in dreams relates to brain responses to aversive stimuli during wakefulness. Sleep Med 2017. [DOI: 10.1016/j.sleep.2017.11.759] [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: 11/29/2022]
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27
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Hasler R, Preti MG, Meskaldji DE, Prados J, Adouan W, Rodriguez C, Toma S, Hiller N, Ismaili T, Hofmeister J, Sinanaj I, Baud P, Haller S, Giannakopoulos P, Schwartz S, Perroud N, Van De Ville D. Inter-hemispherical asymmetry in default-mode functional connectivity and BAIAP2 gene are associated with anger expression in ADHD adults. Psychiatry Res Neuroimaging 2017; 269:54-61. [PMID: 28938222 DOI: 10.1016/j.pscychresns.2017.09.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 09/07/2017] [Accepted: 09/07/2017] [Indexed: 11/27/2022]
Abstract
Attention deficit hyperactivity disorder (ADHD) is accompanied by resting-state alterations, including abnormal activity, connectivity and asymmetry of the default-mode network (DMN). Concurrently, recent studies suggested a link between ADHD and the presence of polymorphisms within the gene BAIAP2 (i.e., brain-specific angiogenesis inhibitor 1-associated protein 2), known to be differentially expressed in brain hemispheres. The clinical and neuroimaging correlates of this polymorphism are still unknown. We investigated the association between BAIAP2 polymorphisms and DMN functional connectivity (FC) asymmetry as well as behavioral measures in ADHD adults. Resting-state fMRI was acquired from 30 ADHD and 15 healthy adults. For each subject, rs7210438 and rs8079626 within the gene BAIAP2 were genotyped. ADHD severity, impulsiveness and anger were assessed for the ADHD group. Using multivariate analysis of variance, we found that genetic features do have an impact on DMN FC asymmetry. In particular, polymorphism rs8079626 affects medial frontal gyrus and inferior parietal lobule connectivity asymmetry, lower for AA than AG/GG carriers. Further, when combining FC asymmetry and the presence of the rs8079626 variant, we successfully predicted increased externalization of anger in ADHD. In conclusion, a complex interplay between genetic vulnerability and inter-hemispherical DMN FC asymmetry plays a role in emotion regulation in adult ADHD.
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Affiliation(s)
- R Hasler
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland; Department of Psychiatry, University of Geneva, Switzerland; Department of Neuroscience, Faculty of Medicine of the University of Geneva, Switzerland
| | - M G Preti
- Department of Radiology and Medical Informatics, University of Geneva, Switzerland; Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Switzerland.
| | - D E Meskaldji
- Department of Radiology and Medical Informatics, University of Geneva, Switzerland; Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Switzerland; Institute of Mathematics, Ecole Polytechnique Fédérale de Lausanne, Switzerland
| | - J Prados
- Department of Psychiatry, University of Geneva, Switzerland; Department of Neuroscience, Faculty of Medicine of the University of Geneva, Switzerland
| | - W Adouan
- Department of Neuroscience, Faculty of Medicine of the University of Geneva, Switzerland
| | - C Rodriguez
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland
| | - S Toma
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland
| | - N Hiller
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland
| | - T Ismaili
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland
| | - J Hofmeister
- Department of Radiology and Medical Informatics, University of Geneva, Switzerland; Department of Neuroscience, Faculty of Medicine of the University of Geneva, Switzerland
| | - I Sinanaj
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland; Department of Neuroscience, Faculty of Medicine of the University of Geneva, Switzerland; Swiss Center for Affective Studies, University of Geneva, Switzerland
| | - P Baud
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland
| | - S Haller
- Department of Radiology and Medical Informatics, University of Geneva, Switzerland
| | - P Giannakopoulos
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland; Department of Psychiatry, University of Geneva, Switzerland
| | - S Schwartz
- Department of Psychiatry, University of Geneva, Switzerland
| | - N Perroud
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland; Department of Psychiatry, University of Geneva, Switzerland
| | - D Van De Ville
- Department of Radiology and Medical Informatics, University of Geneva, Switzerland; Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Switzerland
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28
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Velcheti V, Schwartz S, Cecchi F, Tian Y, Sellappan S, Rudin C, Poirier J, Hembrough T. P1.02-001 SLFN11 Expression in Early Stage Non-Small Cell Lung Cancer Predicts Benefit from Adjuvant Chemotherapy with Taxane and Platinum. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.733] [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: 11/26/2022]
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29
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Cecchi F, Catenacci D, Schwartz S, Sellappan S, Tian Y, Miceli R, Pietrantonio F, Pellegrinelli A, Martinetti A, Di Bartolomeo M, Hembrough T. Predicting response to chemotherapy in gastric cancer patients randomized to docetaxel: A reevaluation of the ITACA-S trial. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx363.062] [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: 11/12/2022] Open
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30
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Schwartz S, Cecchi F, Tian Y, Scott K, Di Bartolomeo M, Morano F, Fucà G, Martinetti A, De Braud F, Dominoni F, Milione M, Calegari M, Orlandi A, Barone C, Pietrantonio F, Hembrough T. Selecting patients with metastatic colorectal cancer for treatment with temozolomide using proteomic analysis of MGMT. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx363.061] [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: 11/12/2022] Open
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31
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Behrens S, Gail R, De Berard S, Schwartz S, Matyi J, Sanders C, Tschanz J. ANTIDEMENTIA MEDICATION USE IS ASSOCIATED WITH DECREASED INFORMAL COSTS IN MILD DEMENTIA. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.3228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
| | - R.B. Gail
- Binghamton University, Binghamton, New York
| | | | | | - J. Matyi
- Utah State University, Logan, Utah,
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32
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Schnabel F, Schwartz S, Hochman T, Chun J, Goldberg J. Abstract P5-16-26: National trends in neoadjuvant therapy for breast cancer. Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-p5-16-26] [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
Purpose:Neoadjuvant therapy has been widely integrated in the treatment of locally advanced breast cancer. Over time, this strategy has been extended to include patients with earlier stage disease to allow for assessment of in vivo response to treatment. The aim of this study was to describe the national trends in neoadjuvant therapy for all invasive breast cancers with a particular focus on triple negative disease and HER2 status.
Methods: The National Cancer Database (NCDB), an oncology outcomes database that collects data from more than 1500 Commission on Cancer (CoC) accredited cancer programs, was queried for all women diagnosed with invasive breast cancer from 2006-2013. Patients with unknown systemic therapy sequence were excluded. Women were classified by whether or not they received neoadjuvant systemic, chemo and/or endocrine, therapy.
Results: We identified 1,221,976 cases that were eligible for this analysis. Of these, 29.7% were HER2 negative, 18.4% were classified as triple negative, and 8.9% received neoadjuvant systemic therapy. The percentage of patients receiving neoadjuvant therapy increased from 7.5% in 2006 to 9.8% in 2012 with a slight decrease to 9.5% in 2013. This increase in the use of neoadjuvant therapy over the time period was statistically significant (p<0.0001). There was a small increase in the percent of patients with HER2 positive status who received neoadjuvant therapy, from 5.7% in 2006 to 6.5% in 2013. During this time period, there was a 9% increase in the percent of triple negative patients who received neoadjuvant therapy (13.1% in 2016 to 22.1% in 2013).
Number and percent of patients who received/did not receive neoadjuvant therapy by year2006 (N=136117)2007 (N=143033)2008 (N=148888)2009 (N=154713)2010 (N=154040)2011 (N=162333)2012 (N=163395)2013 (N=159457)No Neoadjuvant Therapy | 125908 (92.5)131559 (91.98)136593 (91.74)141364 (91.37)139459 (90.53)146500 (90.25)147401 (90.21)144306 (90.5)Neoadjuvant Therapy | 10209 (7.5)11474 (8.02)12295 (8.26)13349 (8.63)14581 (9.47)15833 (9.75)15994 (9.79)15151 (9.5)
Conclusions: Over the time period from 2006-2013, there has been an apparent increase in the percentage of patients who received neoadjuvant therapy. This trend is accompanied by increases in the percentage of TNBC patients and in Her2 positive patients who received neoadjuvant therapy. Other factors and the joint effects of these factors on the observed increase in the use of neoadjuvant therapy are under evaluation to elucidate the basis for this observation in the NCDB data.
Citation Format: Schnabel F, Schwartz S, Hochman T, Chun J, Goldberg J. National trends in neoadjuvant therapy for breast cancer [abstract]. In: Proceedings of the 2016 San Antonio Breast Cancer Symposium; 2016 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2017;77(4 Suppl):Abstract nr P5-16-26.
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Affiliation(s)
- F Schnabel
- New York University Langone Medical Center, New York, NY
| | - S Schwartz
- New York University Langone Medical Center, New York, NY
| | - T Hochman
- New York University Langone Medical Center, New York, NY
| | - J Chun
- New York University Langone Medical Center, New York, NY
| | - J Goldberg
- New York University Langone Medical Center, New York, NY
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Schwartz S, Tian Y, Fasani R, Diaz Delgado M, Hierro C, Rodon J, Sellappan S, Cecchi F, Hembrough T, Nuciforo P. Abstract P6-07-16: Quantitative proteomic analysis of FGFR by mass spectrometry may improve identification of FGFR amplified tumors sensitive to inhibitor therapy. Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-p6-07-16] [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: The fibroblast growth factor receptors 1 and 2 (FGFR1 and FGFR2) have been reported as amplified in multiple solid tumors, including lung, breast and gastric cancers. The FGFR family of proteins is an attractive target for therapy due to the importance of FGFR signaling in the pathogenesis of diverse tumor types. However, pan-FGFR inhibitor have shown only modest efficacy in patients with FGFR1 or FGFR2 gene amplification as determined by fluorescence in situ hybridization (FISH). Gene copy number alterations may not be the optimal predictive biomarker since the targets of these drugs are FGFR proteins; recent findings suggest that direct measurement of the protein targets of FGFR inhibitor therapies may be necessary to assess their treatment efficacy. We therefore developed quantitative FGFR protein assays using selected reaction monitoring mass spectrometry (SRM-MS). We sought to correlate levels of FGFR1, FGFR2 and pan-FGFR (FGFR1-4) proteins as measured by SRM-MS with FGFR gene amplification status as determined by FISH.
Methods: Formalin-fixed, paraffin-embedded (FFPE) tissue sections from breast (n=18), esophageal (n=1), gastric (n=1), lung (n=2), and endometrial (n=1) tumors were obtained. A board-certified pathologist marked the tumor area for laser microdissection. Tumor cell proteins were extracted using the Liquid Tissue® process and subjected to SRM-MS for analysis of protein expression levels of FGFR1, FGFR2 and FGFR1-4, as well as other targetable proteins including MET, EGFR, and PD-L1. We compared FGFR protein levels with FGFR amplification defined as FGFR to CEP FISH ratio >2.2.
Results: Of 23 tumor samples analyzed, the pan-FGFR1-4 proteomic assay detected FGFR protein in 11 cases (protein expression range: 217.8-3199.5 amol/ug). Ten of these 11 samples (91%) showed FGFR gene amplification. Only a single non-amplified case showed protein expression (235.6 amol/ug). FGFR protein (of 1, 2, and 1-4) was undetectable in 12 samples, of which 5 (42%) harbored FGFR1 amplification. Two of 2 (100%) of FGFR2-amplified cases (average copy number=38) showed high FGFR2 protein expression (3063.0 and 3199.5 amol/ug). Sensitivity of the pan-FGFR1-4 assay was superior to single FGFR assays.
Conclusion: A subset of FGFR-amplified tumors does not express FGFR protein when assessed by highly-sensitive SRM-MS. Patients whose tumors do not express FGFR protein are not likely to respond to FGFR inhibitor therapy, as supported by previous findings in squamous cell lung tumors, in which FGFR1 mRNA and/or protein expression levels greatly outperformed FGFR1 gene copy number in predicting sensitivity to a pan-FGFR inhibitors. An approach combining quantitative proteomics and FISH analyses may accurately identify patients most likely to respond to anti-FGFR protein agents.
Citation Format: Schwartz S, Tian Y, Fasani R, Diaz Delgado M, Hierro C, Rodon J, Sellappan S, Cecchi F, Hembrough T, Nuciforo P. Quantitative proteomic analysis of FGFR by mass spectrometry may improve identification of FGFR amplified tumors sensitive to inhibitor therapy [abstract]. In: Proceedings of the 2016 San Antonio Breast Cancer Symposium; 2016 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2017;77(4 Suppl):Abstract nr P6-07-16.
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Affiliation(s)
- S Schwartz
- NantOmics, LLC, Rockville, MD; Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Y Tian
- NantOmics, LLC, Rockville, MD; Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - R Fasani
- NantOmics, LLC, Rockville, MD; Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - M Diaz Delgado
- NantOmics, LLC, Rockville, MD; Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - C Hierro
- NantOmics, LLC, Rockville, MD; Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - J Rodon
- NantOmics, LLC, Rockville, MD; Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - S Sellappan
- NantOmics, LLC, Rockville, MD; Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - F Cecchi
- NantOmics, LLC, Rockville, MD; Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - T Hembrough
- NantOmics, LLC, Rockville, MD; Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - P Nuciforo
- NantOmics, LLC, Rockville, MD; Vall d'Hebron Institute of Oncology, Barcelona, Spain
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Sever A, Rinker E, Schwartz S, Joshi S, Vanderhoek M. The effects of real-time radiation dose monitoring and feedback on radiation exposure to interventional radiology staff. J Vasc Interv Radiol 2017. [DOI: 10.1016/j.jvir.2016.12.637] [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: 12/01/2022] Open
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Rinker E, Joshi S, Sever A, Vanderhoek M, Schwartz S. Effects of fellowship training on radiation exposure to patients and staff in interventional radiology. J Vasc Interv Radiol 2017. [DOI: 10.1016/j.jvir.2016.12.1068] [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] Open
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Cecchi F, Schwartz S, Sellappan S, Thyparambil S, Hembrough T. Targeted proteomic analysis of bone metastases from lung cancer and other malignancies. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)32954-9] [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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Fransecky L, Neumann M, Heesch S, Schlee C, Ortiz-Tanchez J, Heller S, Mossner M, Schwartz S, Mochmann LH, Isaakidis K, Bastian L, Kees UR, Herold T, Spiekermann K, Gökbuget N, Baldus CD. Silencing of GATA3 defines a novel stem cell-like subgroup of ETP-ALL. J Hematol Oncol 2016; 9:95. [PMID: 27658391 PMCID: PMC5034449 DOI: 10.1186/s13045-016-0324-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 09/09/2016] [Indexed: 11/25/2022] Open
Abstract
Background GATA3 is pivotal for the development of T lymphocytes. While its effects in later stages of T cell differentiation are well recognized, the role of GATA3 in the generation of early T cell precursors (ETP) has only recently been explored. As aberrant GATA3 mRNA expression has been linked to cancerogenesis, we investigated the role of GATA3 in early T cell precursor acute lymphoblastic leukemia (ETP-ALL). Methods We analyzed GATA3 mRNA expression by RT-PCR (n = 182) in adult patients with T-ALL. Of these, we identified 70 of 182 patients with ETP-ALL by immunophenotyping. DNA methylation was assessed genome wide (Illumina Infinium® HumanMethylation450 BeadChip platform) in 12 patients and GATA3-specifically by pyrosequencing in 70 patients with ETP-ALL. The mutational landscape of ETP-ALL with respect to GATA3 expression was investigated in 18 patients and validated by Sanger sequencing in 65 patients with ETP-ALL. Gene expression profiles (Affymetrix Human genome U133 Plus 2.0) of an independent cohort of adult T-ALL (n = 83) were used to identify ETP-ALL and investigate GATA3low and GATA3high expressing T-ALL patients. In addition, the ETP-ALL cell line PER-117 was investigated for cytotoxicity, apoptosis, GATA3 mRNA expression, DNA methylation, and global gene expression before and after treatment with decitabine. Results In our cohort of 70 ETP-ALL patients, 33 % (23/70) lacked GATA3 expression and were thus defined as GATA3low. DNA methylation analysis revealed a high degree of GATA3 CpG island methylation in GATA3low compared with GATA3high ETP-ALL patients (mean 46 vs. 21 %, p < 0.0001). Genome-wide expression profiling of GATA3low ETP-ALL exhibited enrichment of myeloid/lymphoid progenitor (MLP) and granulocyte/monocyte progenitor (GMP) genes, while T cell-specific signatures were downregulated compared to GATA3high ETP-ALL. Among others, FLT3 expression was upregulated and mutational analyses demonstrated a high rate (79 %) of FLT3 mutations. Hypomethylating agents induced reversal of GATA3 silencing, and gene expression profiling revealed downregulation of hematopoietic stem cell genes and upregulation of T cell differentiation. Conclusions We propose GATA3low ETP-ALL as a novel stem cell-like leukemia with implications for the use of myeloid-derived therapies. Electronic supplementary material The online version of this article (doi:10.1186/s13045-016-0324-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- L Fransecky
- Department of Hematology and Oncology, Charité, University Hospital Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany.
| | - M Neumann
- Department of Hematology and Oncology, Charité, University Hospital Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany.,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - S Heesch
- Department of Hematology and Oncology, Charité, University Hospital Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany
| | - C Schlee
- Department of Hematology and Oncology, Charité, University Hospital Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany
| | - J Ortiz-Tanchez
- Department of Hematology and Oncology, Charité, University Hospital Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany
| | - S Heller
- Department of Hematology and Oncology, Charité, University Hospital Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany
| | - M Mossner
- Department of Hematology and Oncology, University Hospital Mannheim, Medical Faculty Mannheim of the University of Heidelberg, Mannheim, Germany
| | - S Schwartz
- Department of Hematology and Oncology, Charité, University Hospital Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany
| | - L H Mochmann
- Department of Hematology and Oncology, Charité, University Hospital Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany
| | - K Isaakidis
- Department of Hematology and Oncology, Charité, University Hospital Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany
| | - L Bastian
- Department of Hematology and Oncology, Charité, University Hospital Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany
| | - U R Kees
- Division of Children´s Leukaemia and Cancer, Telethon Kids Institute, University of Western Australia, Perth, Australia
| | - T Herold
- Department of Internal Medicine 3, University Hospital Grosshadern, Ludwig-Maximilians-Universität (LMU), Munich, Germany.,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - K Spiekermann
- Department of Internal Medicine 3, University Hospital Grosshadern, Ludwig-Maximilians-Universität (LMU), Munich, Germany.,German Cancer Consortium (DKTK), Heidelberg, Germany
| | - N Gökbuget
- Department of Medicine II, Hematology/Oncology, Goethe University Hospital, Frankfurt/Main, Germany
| | - C D Baldus
- Department of Hematology and Oncology, Charité, University Hospital Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany.,German Cancer Consortium (DKTK), Heidelberg, Germany
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Faller M, Lamm C, Affolter VK, Valerius K, Schwartz S, Moore PF. Retrospective characterisation of solitary cutaneous histiocytoma with lymph node metastasis in eight dogs. J Small Anim Pract 2016; 57:548-552. [DOI: 10.1111/jsap.12531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2015] [Revised: 05/30/2016] [Accepted: 05/31/2016] [Indexed: 10/21/2022]
Affiliation(s)
- M. Faller
- Department of Medical Oncology; MedVet Medical & Cancer Centers for Pets; Cincinnati OH 45227 USA
| | - C. Lamm
- Idexx Laboratories; West Sacramento CA 95605 USA
| | - V. K. Affolter
- Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine; University of California; Davis CA 95616 USA
| | - K. Valerius
- Department of Medical Oncology; MedVet Medical & Cancer Centers for Pets; Cincinnati OH 45227 USA
| | - S. Schwartz
- Department of Surgery, MedVet Medical & Cancer Centers for Pets; Cincinnati OH 45227 USA
| | - P. F. Moore
- Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine; University of California; Davis CA 95616 USA
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Schmidt-Hieber M, Silling G, Schalk E, Heinz W, Panse J, Penack O, Christopeit M, Buchheidt D, Meyding-Lamadé U, Hähnel S, Wolf HH, Ruhnke M, Schwartz S, Maschmeyer G. CNS infections in patients with hematological disorders (including allogeneic stem-cell transplantation)-Guidelines of the Infectious Diseases Working Party (AGIHO) of the German Society of Hematology and Medical Oncology (DGHO). Ann Oncol 2016; 27:1207-25. [PMID: 27052648 PMCID: PMC4922317 DOI: 10.1093/annonc/mdw155] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Accepted: 03/24/2016] [Indexed: 12/22/2022] Open
Abstract
Diagnosis of CNS infections remains a great challenge in patients with hematological disorders since symptoms might both be masked and be mimicked by other conditions such as metabolic disturbances or consequences from antineoplastic treatment. Thus, awareness of this complication is crucial and any suspicion of a CNS infection should lead to timely and adequate diagnostics and treatment to improve the outcome in this population. Infections of the central nervous system (CNS) are infrequently diagnosed in immunocompetent patients, but they do occur in a significant proportion of patients with hematological disorders. In particular, patients undergoing allogeneic hematopoietic stem-cell transplantation carry a high risk for CNS infections of up to 15%. Fungi and Toxoplasma gondii are the predominant causative agents. The diagnosis of CNS infections is based on neuroimaging, cerebrospinal fluid examination and biopsy of suspicious lesions in selected patients. However, identification of CNS infections in immunocompromised patients could represent a major challenge since metabolic disturbances, side-effects of antineoplastic or immunosuppressive drugs and CNS involvement of the underlying hematological disorder may mimic symptoms of a CNS infection. The prognosis of CNS infections is generally poor in these patients, albeit the introduction of novel substances (e.g. voriconazole) has improved the outcome in distinct patient subgroups. This guideline has been developed by the Infectious Diseases Working Party (AGIHO) of the German Society of Hematology and Medical Oncology (DGHO) with the contribution of a panel of 14 experts certified in internal medicine, hematology/oncology, infectious diseases, intensive care, neurology and neuroradiology. Grades of recommendation and levels of evidence were categorized by using novel criteria, as recently published by the European Society of Clinical Microbiology and Infectious Diseases.
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Affiliation(s)
- M Schmidt-Hieber
- Department of Hematology, Oncology and Tumor Immunology, HELIOS Clinic Berlin-Buch, Berlin
| | - G Silling
- Department of Hematology, Oncology and Stem Cell Transplantation, University Hospital, Aachen, Medical Faculty, RWTH Aachen, Aachen
| | - E Schalk
- Department of Hematology and Oncology, Otto-von-Guericke University Hospital Magdeburg, Magdeburg
| | - W Heinz
- Department of Internal Medicine II, University Hospital Würzburg, Center of Internal Medicine, Würzburg
| | - J Panse
- Department of Hematology, Oncology and Stem Cell Transplantation, University Hospital, Aachen, Medical Faculty, RWTH Aachen, Aachen
| | - O Penack
- Department of Hematology, Oncology and Tumor Immunology, Charité University Medicine, Campus Virchow Clinic, Berlin
| | - M Christopeit
- Department of Stem Cell Transplantation, University Medical Center Hamburg Eppendorf, Hamburg
| | - D Buchheidt
- Department of Hematology and Oncology, Mannheim University Hospital, University of Heidelberg, Mannheim
| | - U Meyding-Lamadé
- Department of Neurology, Hospital Nordwest Frankfurt, Frankfurt/M., Germany Brunei Neuroscience Stroke and Rehabilitation Centre, Jerudong, Brunei Darussalam Department of Neuroinfectiology, Otto-Meyerhof-Centre, University of Heidelberg, Heidelberg
| | - S Hähnel
- Department of Neuroradiology, University Hospital Heidelberg, Heidelberg
| | - H H Wolf
- Department of Hematology and Oncology, University Hospital Halle, Halle
| | - M Ruhnke
- Paracelsus Clinic Osnabrück, Osnabrück
| | - S Schwartz
- Department of Hematology and Oncology, Charité University Medicine, Campus Benjamin Franklin, Berlin
| | - G Maschmeyer
- Department of Hematology, Oncology and Palliative Care, Ernst von Bergmann Clinic, Potsdam, Germany
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Wood M, Schnabel F, Chun J, Schwartz S, Rounds T, Cuke M. Abstract P6-09-13: Multi-institutional evaluation of women at high-risk for developing breast cancer. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p6-09-13] [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
Well-established risk factors for breast cancer (BC) include family history, BRCA mutations and biopsies with atypical hyperplasia (AH) or lobular carcinoma in situ (LCIS). Several institutions have registries of these high-risk women but outcomes from these registries require large numbers and long follow-up. We sought to compare characteristics between high-risk populations and evaluate early outcomes.
Methods
Women enrolled in IRB-approved high risk registries at NYU Langone Medical Center (NYU) and University of Vermont (UVM) were evaluated for risk category, uptake of prevention and development of breast cancer. Descriptive statistics were used to summarize the data and Pearson's Chi-Square and Fisher's Exact Tests were performed to compare the variables of interest among the two high risk registries.
Results
Between 2003-14, 1035 women enrolled in these high risk registries. There were significant differences in age and risk characteristics but we found a 99% concordance of variables collected between both high risk registries. Among all risk groups there was a low uptake of prevention opportunities, with 8% taking chemoprevention and 7% undergoing risk-reducing surgeries. Women with AH/LCIS accounted for 66% of those choosing chemoprevention while women with BRCA mutations accounted for 76% of those undergoing risk-reducing surgeries. To date, 43 women (4%) have been diagnosed with breast cancer. 86% were diagnosed with stage 0-1 disease and 70% had moderate or poorly differentiated cancers. There was no significant difference in background risk characteristics when comparing those with breast cancer to those who have not yet developed breast cancer.
Table 1. Clinicopathologic Characteristics between UVM and NYUVARIABLESUVM (N=496, 48%)%NYU (N=539, 52%)%P-valueMEDIAN AGE (years)46 (20-75)50 (20-87)p<0.001RISK FACTORSOne or more 1° relative with BC4428928653p<0.001BRCA positive2559217p<0.001AH631324545p<0.001LCIS22411221p<0.001UPTAKE OF BC PREVENTION METHODSChemoprevention2755410p<0.01Prophylactic bilateral mastectomy10.2458p<0.001Bilateral salpingo-oophorectomy10.2428p<0.001DEVELOPED BC316122p<0.01STAGE OF BC000542p<0.01I2684650 IIA, IIB2618 IIIA, IIIB, IIIC31000
Conclusions
Despite the low uptake of chemoprevention and risk reducing surgery, only 4% of patients went on to develop breast cancer in the study period. The majority of cancers involved moderate or high-grade lesions and were early stage, suggesting a benefit to participation in surveillance programs. We have demonstrated a high degree of concordance between high risk registries, suggesting no barriers to multi-institutional collaboration. High risk registries represent an important resource for studies into methods to prevent breast cancer and improve outcomes from this disease.
Citation Format: Wood M, Schnabel F, Chun J, Schwartz S, Rounds T, Cuke M. Multi-institutional evaluation of women at high-risk for developing breast cancer. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P6-09-13.
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Affiliation(s)
- M Wood
- University of Vermont, Burlington, VT; New York University Langone Medical Center, NY, NY
| | - F Schnabel
- University of Vermont, Burlington, VT; New York University Langone Medical Center, NY, NY
| | - J Chun
- University of Vermont, Burlington, VT; New York University Langone Medical Center, NY, NY
| | - S Schwartz
- University of Vermont, Burlington, VT; New York University Langone Medical Center, NY, NY
| | - T Rounds
- University of Vermont, Burlington, VT; New York University Langone Medical Center, NY, NY
| | - M Cuke
- University of Vermont, Burlington, VT; New York University Langone Medical Center, NY, NY
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Schnabel F, Guth A, Axelrod D, Chun J, Schwartz S, Shapiro R. Abstract P2-12-12: MarginProbe device use and re-excision rates for breast conservation surgeries. Cancer Res 2016. [DOI: 10.1158/1538-7445.sabcs15-p2-12-12] [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: Current methods of intraoperative assessment of lumpectomy margins are limited. Previous studies have found a lower rate of re-excisions with the adjunctive use of the MarginProbe device (Dune Medical Devices Ltd, Israel). The purpose of this study was to compare the tumor characteristics and re-excision rates before and after the use of MarginProbe for patients who had breast conservation surgery (BCS) at our institution.
Methods: The Breast Cancer Database of our medical center was queried for patients who underwent BCS from 1/2010-3/2015 by three breast surgeons. 2 surgeons used the MarginProbe to direct excision of additional margins at the time of primary lumpectomy surgery and 1 surgeon performed routine 6-surface cavity shavings. We compared our historical data (1/2010-12/2014) to MarginProbe data (1/2015-4/2015). The following variables were included: age, mammographic breast density, tumor characteristics, and re-excision rates. Statistical analyses were performed using Pearson's Chi-Square and Fisher's Exact Tests.
Results: We had a total of 1201 women who had BCS among the 3 breast surgeons. The median age was 61 years. The median invasive size was 1.2 cm. Majority of cancers were early stage (stage 0, I), invasive ductal carcinoma (61%), ER-positive (86%), PR-positive (74%), and Her2Neu-negative (88%). These tumor characteristics were not statistically different in the pre- and post-MarginProbe groups. The majority of patients had dense breasts (51%) and density did not differ among the pre- and post-MarginProbe groups (p=0.86). For the surgeons who used the MarginProbe for margin assessment at the time of surgery, the re-excision rate fell from 17% to 0% and 35% to 20% during the 4-month period. In contrast, the surgeon who routinely performed 6-surface shavings had a re-excision rate that fell from 13% to 12% in the same time period. 88% of MarginProbe readings were false positive. There was one false negative reading.
Table 1. Tumor CharacteristicsVARIABLESTotal N=1201%No MarginProbe (N=1144, 95%)%MarginProbe (N=57, 5%)%P-valueTUMOR STAGE0292242782414240.95I64454614543053 IIA, IIB22319211191221 IIIA, IIIB, IIIC39338312 IV30.330.300 HISTOLOGYDuctal carcinoma in situ305252892516280.75Invasive ductal carcinoma73061695613561 Invasive lobular carcinoma1129107959 Invasive other54553512 ESTROGEN RECEPTOR STATUSNegative16314157146110.46Positive101486963865189 PROGESTERONE RECEPTOR STATUSNegative307262942613230.56Positive86774823744477 HER2-NEU STATUSNegative788887538835810.22Positive92108610614 Equivocal19217225
Conclusions: Routine use of the MarginProbe device was associated with lower re-excision rates compared to historical data and concurrent 6-cavity shaving approach. Better intraoperative margin assessment and lower re-excision rates will decrease the burden of breast cancer on patients and the health care system and support the practice of breast conserving surgery.
Citation Format: Schnabel F, Guth A, Axelrod D, Chun J, Schwartz S, Shapiro R. MarginProbe device use and re-excision rates for breast conservation surgeries. [abstract]. In: Proceedings of the Thirty-Eighth Annual CTRC-AACR San Antonio Breast Cancer Symposium: 2015 Dec 8-12; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2016;76(4 Suppl):Abstract nr P2-12-12.
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Affiliation(s)
| | - A Guth
- NYU Langone Medical Center, NY, NY
| | | | - J Chun
- NYU Langone Medical Center, NY, NY
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Rafael D, Doktorovová S, Florindo HF, Gener P, Abasolo I, Schwartz S, Videira MA. EMT blockage strategies: Targeting Akt dependent mechanisms for breast cancer metastatic behaviour modulation. Curr Gene Ther 2016; 15:300-12. [PMID: 25619882 DOI: 10.2174/1566523215666150126123642] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Revised: 11/03/2014] [Accepted: 01/16/2015] [Indexed: 11/22/2022]
Abstract
Epithelial Mesenchymal Transition (EMT) is an event where epithelial cells acquire mesenchymal-like phenotype. EMT can occur as a physiological phenomenon during tissue development and wound healing, but most importantly, EMT can confer highly invasive properties to epithelial carcinoma cells. The impairment of E-cadherin expression, an essential cell-cell adhesion protein, together with an increase in the expression of mesenchymal markers, such as N-cadherin, vimentin, and fibronectin, characterize the EMT process and are usually correlated with tumor migration, and metastization. A wide range of micro-environmental and intracellular factors regulate tumor development and progression. The dynamic cross-talk between the adhesion-related proteins such as E-cadherin and the EMT-related transcription factors, with special focus on TWIST, will be discussed here, with the aim of finding a suitable biological pathway to be used as potential target for cancer therapy. Emerging concepts such as the role of the PI3K/AKT/TWIST pathway in the regulation of the E-cadherin expression will be highlighted, since it seems to be consistently involved in cells EMT. The well-known efficacy of the RNA interference as a tool to silence the expression of specific proteins has come into focus as a strategy to control different tumor sub-populations. Despite the oligonucleotides enormous sensitivity and low in vivo stability, new (nano)technological solutions are expected to enable RNAi clinical application in cancer therapy.
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Traverso G, Ciccarelli G, Schwartz S, Hughes T, Boettcher T, Barman R, Langer R, Swiston A. Physiologic Status Monitoring via the Gastrointestinal Tract. PLoS One 2015; 10:e0141666. [PMID: 26580216 PMCID: PMC4651338 DOI: 10.1371/journal.pone.0141666] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Accepted: 10/12/2015] [Indexed: 11/18/2022] Open
Abstract
Reliable, real-time heart and respiratory rates are key vital signs used in evaluating the physiological status in many clinical and non-clinical settings. Measuring these vital signs generally requires superficial attachment of physically or logistically obtrusive sensors to subjects that may result in skin irritation or adversely influence subject performance. Given the broad acceptance of ingestible electronics, we developed an approach that enables vital sign monitoring internally from the gastrointestinal tract. Here we report initial proof-of-concept large animal (porcine) experiments and a robust processing algorithm that demonstrates the feasibility of this approach. Implementing vital sign monitoring as a stand-alone technology or in conjunction with other ingestible devices has the capacity to significantly aid telemedicine, optimize performance monitoring of athletes, military service members, and first-responders, as well as provide a facile method for rapid clinical evaluation and triage.
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Affiliation(s)
- G. Traverso
- Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States of America
- Department of Chemical Engineering and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, United States of America
| | - G. Ciccarelli
- Bioengineering Systems and Technologies, Massachusetts Institute of Technology Lincoln Laboratory, Lexington, MA, 02420, United States of America
| | - S. Schwartz
- Bioengineering Systems and Technologies, Massachusetts Institute of Technology Lincoln Laboratory, Lexington, MA, 02420, United States of America
| | - T. Hughes
- Bioengineering Systems and Technologies, Massachusetts Institute of Technology Lincoln Laboratory, Lexington, MA, 02420, United States of America
| | - T. Boettcher
- Bioengineering Systems and Technologies, Massachusetts Institute of Technology Lincoln Laboratory, Lexington, MA, 02420, United States of America
| | - R. Barman
- Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States of America
- Department of Chemical Engineering and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, United States of America
| | - R. Langer
- Department of Chemical Engineering and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, United States of America
- * E-mail: (AS); (RL)
| | - A. Swiston
- Bioengineering Systems and Technologies, Massachusetts Institute of Technology Lincoln Laboratory, Lexington, MA, 02420, United States of America
- * E-mail: (AS); (RL)
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McLaughlin T, Damji A, Spiegel A, Beck C, St Jules C, Moore Hepburn C, Langrish K, Tavernese N, Beamish T, Schwartz S. 130: An Alternate Care Environment to Decrease Inpatient Length-of-Stay. Paediatr Child Health 2015. [DOI: 10.1093/pch/20.5.e81a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Yama B, Hodgins M, Schwartz S. 112: Multi-Source Feedback: Everyone has a Say, But Who is Listening? Paediatr Child Health 2015. [DOI: 10.1093/pch/20.5.e74b] [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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46
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Wahren B, Brytting MM, Engström G, Hinkula J, Levi M, Ståhle EL, Ohlsson S, Rudén U, Schwartz S. Immune responses to the HIV rev regulatory gene. Antibiot Chemother (1971) 2015; 48:105-12. [PMID: 8726512 DOI: 10.1159/000425164] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- B Wahren
- Microbiology and Tumor Biology Center, Karolinska Institute, Stockholm, Sweden
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Rafael D, Gener P, Pereira L, Florindo H, Schwartz S, Videira M. Targeting AKT2 signalling events: improving therapeutic outcomes through cancer stemness modulation. Ann Oncol 2015. [DOI: 10.1093/annonc/mdv094.5] [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: 11/13/2022] Open
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48
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Burgin A, Bakalis C, Kolicaj N, Schwartz S. Review of techniques for percutaneous lymphangiography and thoracic duct cannulation for treatment of chylothorax. J Vasc Interv Radiol 2015. [DOI: 10.1016/j.jvir.2014.12.453] [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] Open
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Schnabel F, Chun J, Schwartz S, Novik Y, The Breast Surgical Oncology Group. PR63 Clinical characteristics in a contemporary cohort of younger women with breast cancer. Breast 2014. [DOI: 10.1016/s0960-9776(14)70073-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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50
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Hickey E, Nosikova Y, Pham-Hung E, Gritti M, Caldarone C, Schwartz S, Redington A, Van Arsdell G. AVIATION “THREAT AND ERROR MODEL” IN CONGENITAL CARDIOVASCULAR SURGERY: INEFFECTIVE INTRA-OPERATIVE ERROR RESCUE LEADS TO DANGEROUS ERROR CYCLES. Can J Cardiol 2014. [DOI: 10.1016/j.cjca.2014.07.268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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