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Pires AJ, Pereira G, Fangueiro D, Bexiga R, Oliveira M. When the solution becomes the problem: a review on antimicrobial resistance in dairy cattle. Future Microbiol 2024. [PMID: 38661710 DOI: 10.2217/fmb-2023-0232] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024] Open
Abstract
Antibiotics' action, once a 'magic bullet', is now hindered by widespread microbial resistance, creating a global antimicrobial resistance (AMR) crisis. A primary driver of AMR is the selective pressure from antimicrobial use. Between 2000 and 2015, antibiotic consumption increased by 65%, reaching 34.8 billion tons, 73% of which was used in animals. In the dairy cattle sector, antibiotics are crucial for treating diseases like mastitis, posing risks to humans, animals and potentially leading to environmental contamination. To address AMR, strategies like selective dry cow therapy, alternative treatments (nanoparticles, phages) and waste management innovations are emerging. However, most solutions are in development, emphasizing the urgent need for further research to tackle AMR in dairy farms.
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Affiliation(s)
- Ana José Pires
- Centre for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Av. da Universidade Técnica de Lisboa, 1300-477, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), 1300-477, Lisbon, Portugal
| | - Gonçalo Pereira
- Centre for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Av. da Universidade Técnica de Lisboa, 1300-477, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), 1300-477, Lisbon, Portugal
| | - David Fangueiro
- LEAF Research Center, Terra Associate Laboratory, Instituto Superior de Agronomia, University of Lisbon, Tapada da Ajuda, 1349-017, Lisbon, Portugal
| | - Ricardo Bexiga
- Centre for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Av. da Universidade Técnica de Lisboa, 1300-477, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), 1300-477, Lisbon, Portugal
| | - Manuela Oliveira
- Centre for Interdisciplinary Research in Animal Health (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Av. da Universidade Técnica de Lisboa, 1300-477, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), 1300-477, Lisbon, Portugal
- cE3c-Centre for Ecology, Evolution & Environmental Changes & CHANGE-Global Change & Sustainability Institute, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016, Lisbon, Portugal
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Silva MF, Pereira G, Mateus L, da Costa LL, Silva E. Design of a multi-epitope-based vaccine candidate against Bovine Genital Campylobacteriosis using a reverse vaccinology approach. BMC Vet Res 2024; 20:144. [PMID: 38641595 PMCID: PMC11027316 DOI: 10.1186/s12917-024-04006-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 04/04/2024] [Indexed: 04/21/2024] Open
Abstract
BACKGROUND Bovine Genital Campylobacteriosis (BGC), a worldwide distributed venereal disease caused by Campylobacter fetus subsp. venerealis (Cfv), has a relevant negative economic impact in cattle herds. The control of BGC is hampered by the inexistence of globally available effective vaccines. The present in silico study aimed to develop a multi-epitope vaccine candidate against Cfv through reverse vaccinology. RESULTS The analysis of Cfv strain NCTC 10354 proteome allowed the identification of 9 proteins suitable for vaccine development. From these, an outer membrane protein, OmpA, and a flagellar protein, FliK, were selected for prediction of B-cell and T-cell epitopes. The top-ranked epitopes conservancy was assessed in 31 Cfv strains. The selected epitopes were integrated to form a multi-epitope fragment of 241 amino acids, which included 2 epitopes from OmpA and 13 epitopes from FliK linked by GPGPG linkers and connected to the cholera toxin subunit B by an EAAAK linker. The vaccine candidate was predicted to be antigenic, non-toxic, non-allergenic, and soluble upon overexpression. The protein structure was predicted and optimized, and the sequence was successfully cloned in silico into a plasmid vector. Additionally, immunological simulations demonstrated the vaccine candidate's ability to stimulate an immune response. CONCLUSIONS This study developed a novel vaccine candidate suitable for further in vitro and in vivo experimental validation, which may become a useful tool for the control of BGC.
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Affiliation(s)
- Marta Filipa Silva
- CIISA - Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), Lisbon, Portugal
- Faculty of Veterinary Medicine, Lusófona University, Lisbon, Portugal
| | - Gonçalo Pereira
- CIISA - Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), Lisbon, Portugal
| | - Luísa Mateus
- CIISA - Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), Lisbon, Portugal
| | - Luís Lopes da Costa
- CIISA - Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), Lisbon, Portugal
| | - Elisabete Silva
- CIISA - Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal.
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), Lisbon, Portugal.
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Pereira G, Charpigny G, Guo Y, Silva E, Silva MF, Ye T, Lopes-da-Costa L, Humblot P. Characterization of circulating microRNA profiles of postpartum dairy cows with persistent subclinical endometritis. J Dairy Sci 2023; 106:9704-9717. [PMID: 37641364 DOI: 10.3168/jds.2023-23616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 05/30/2023] [Indexed: 08/31/2023]
Abstract
Subclinical endometritis (SCE) is an unresolved inflammation of the endometrium of postpartum dairy cows, seriously affecting fertility. Current diagnosis, which relies on uterine cytology or even more invasive biopsy sampling, would benefit from the identification of blood-based diagnostic biomarkers. Due to the known role of microRNAs (miRNAs) in other diseases, this case-control study evaluated the cell-free circulating miRNA profiles of SCE cows, and the network of transcripts predicted to interact with those miRNAs, previously identified as differentially expressed genes (DEG) in the endometrium of the same cows. Healthy (H, n = 6) and persistent SCE (n = 11) cows characterized by endometrial cytology and biopsy were blood sampled at 21 and 44 d postpartum (DPP). Following extraction of cell-free plasma miRNAs and RNA-seq analysis, differential abundance analysis of miRNAs was performed with the DESeq2 R package (adjusted p-value of 0.05), and in silico prediction of miRNA-interacting genes on a sequence complementary basis was conducted using the miRWalk database. The principal component analysis showed a clear clustering between groups of uterine health phenotypes (H vs. SCE), although the clustering between groups was less pronounced at 44 DPP than at 21 DPP. No effect of the stage (21 vs. 44 DPP) was observed. A total of 799 known circulating miRNAs were identified, from which 34 demonstrated differential abundance between H and SCE cows (12 less abundant and 22 more abundant in SCE than in H cows). These 34 miRNAs are predicted to interact with 10,104 transcripts, among which 43, 81, and 147 were previously identified as differentially expressed in, respectively, endometrial luminal epithelial, glandular epithelial, and stromal cells of the same cows. This accounts for approximately half of the DEG identified between those H and SCE cows, including genes involved in endometrial cell proliferation, angiogenesis and immune response, whose dysregulation in SCE cows may impair pregnancy establishment. From 219 miRNAs with mean normalized read counts above 100, the presence and abundance of miR-425-3p and miR-2285z had the highest discriminatory level to differentiate SCE from H cows. In conclusion, despite apparent confinement to the endometrium, SCE is associated with a distinct circulating miRNA profile, which may represent a link between the systemic changes associated with disease and the endometrial immune response. The validation of a miRNA panel consisting of circulating cell-free miR-425-3p and miR-2285z may prove a relevant advancement for the noninvasive diagnosis of persistent SCE.
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Affiliation(s)
- Gonçalo Pereira
- CIISA-Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal; Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), 1300-477 Lisbon, Portugal
| | - Gilles Charpigny
- Université Paris-Saclay, INRAE, ENVA, BREED, 78350, Jouy-en-Josas, France
| | - Yongzhi Guo
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, SLU, PO, 750 07 Uppsala, Sweden
| | - Elisabete Silva
- CIISA-Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal; Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), 1300-477 Lisbon, Portugal
| | - Marta Filipa Silva
- CIISA-Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal; Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), 1300-477 Lisbon, Portugal; Faculty of Veterinary Medicine, Lusófona University, 1749-024 Lisbon, Portugal
| | - Tao Ye
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Institut National de la Santé et de la Recherche Médicale (INSERM) U1258, Centre National de Recherche Scientifique (CNRS) UMR7104, Université de Strasbourg,1 rue Laurent Fries, 67404 Illkirch, France
| | - Luís Lopes-da-Costa
- CIISA-Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal; Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), 1300-477 Lisbon, Portugal.
| | - Patrice Humblot
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, SLU, PO, 750 07 Uppsala, Sweden
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Quaresma M, Roseiro LC, Ferreira T, Nunes ML, Pereira G. Effect of Diet Supplementation with Oat Hay and Whole Carrot on Rabbit Growth and Productive Efficiency. Animals (Basel) 2023; 13:3138. [PMID: 37835744 PMCID: PMC10571816 DOI: 10.3390/ani13193138] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 09/27/2023] [Accepted: 10/04/2023] [Indexed: 10/15/2023] Open
Abstract
Is it possible to reduce feeding costs in rabbit meat production without compromising rabbit health and productive yield? The study tested four feeding strategies: Control group (CC) fed exclusively with concentrate feed; group CT supplemented with whole carrot; group OH supplemented with oat hay; and Group CO supplemented with oat hay and whole carrot. Each feeding strategy was tested in 20 rabbits, randomly allocated in five cages with four rabbits each. The average daily weight gain (ADG), feed conversion ratio (FCR), and the amount of concentrated feed consumed daily were estimated in all experimental groups. Group CC displayed the best ADG (37.1 g/rabbit/day), carrot had no significant influence on ADG (34.2 g/rabbit/day), but oat hay had a negative impact (p < 0.05), either used alone or in combination with carrot (33.0 and 32.6 g/rabbit/day, respectively). Supplementation with carrot, oat hay, or both increased the FCR (p < 0.001). Nevertheless, there were no significant differences in final live weight or carcass weight between the rabbits in the different experimental groups. In conclusion, supplementation with oat hay, carrot, or both can be a valid approach to reducing production costs by decreasing concentrate feed without affecting rabbit's health and meat yield. The combined supplementation with oat hay and carrot proved to be the best option in reducing the amount of concentrate feed ingested by rabbits (less than 1107 g/animal), but at current market values, supplementation exclusively with oat hay was the less expensive feeding strategy (less 14% than fed exclusively with concentrate feeding).
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Affiliation(s)
- Mário Quaresma
- CIISA—Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisboa, Portugal
- AL4AnimalS—Associate Laboratory for Animal and Veterinary Sciences, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisboa, Portugal
| | - Luisa Cristina Roseiro
- INIAV—Food Technology and Safety Division, National Institute for Agricultural and Veterinary Research (INIAV, IP), Quinta do Marquês, 2780-159 Oeiras, Portugal
- GeoBioTec—Geobiosciences, Geoengineering e Geobiotechnologies, NOVA School of Science and Technology, Campus de Caparica, 2829-516 Caparica, Portugal
| | - Tatiana Ferreira
- CIISA—Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisboa, Portugal
| | - Maria Leonor Nunes
- CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos S/N, 4450-208 Matosinhos, Portugal
| | - Gonçalo Pereira
- CIISA—Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisboa, Portugal
- AL4AnimalS—Associate Laboratory for Animal and Veterinary Sciences, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisboa, Portugal
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Aalbers J, Akerib DS, Akerlof CW, Al Musalhi AK, Alder F, Alqahtani A, Alsum SK, Amarasinghe CS, Ames A, Anderson TJ, Angelides N, Araújo HM, Armstrong JE, Arthurs M, Azadi S, Bailey AJ, Baker A, Balajthy J, Balashov S, Bang J, Bargemann JW, Barry MJ, Barthel J, Bauer D, Baxter A, Beattie K, Belle J, Beltrame P, Bensinger J, Benson T, Bernard EP, Bhatti A, Biekert A, Biesiadzinski TP, Birch HJ, Birrittella B, Blockinger GM, Boast KE, Boxer B, Bramante R, Brew CAJ, Brás P, Buckley JH, Bugaev VV, Burdin S, Busenitz JK, Buuck M, Cabrita R, Carels C, Carlsmith DL, Carlson B, Carmona-Benitez MC, Cascella M, Chan C, Chawla A, Chen H, Cherwinka JJ, Chott NI, Cole A, Coleman J, Converse MV, Cottle A, Cox G, Craddock WW, Creaner O, Curran D, Currie A, Cutter JE, Dahl CE, David A, Davis J, Davison TJR, Delgaudio J, Dey S, de Viveiros L, Dobi A, Dobson JEY, Druszkiewicz E, Dushkin A, Edberg TK, Edwards WR, Elnimr MM, Emmet WT, Eriksen SR, Faham CH, Fan A, Fayer S, Fearon NM, Fiorucci S, Flaecher H, Ford P, Francis VB, Fraser ED, Fruth T, Gaitskell RJ, Gantos NJ, Garcia D, Geffre A, Gehman VM, Genovesi J, Ghag C, Gibbons R, Gibson E, Gilchriese MGD, Gokhale S, Gomber B, Green J, Greenall A, Greenwood S, van der Grinten MGD, Gwilliam CB, Hall CR, Hans S, Hanzel K, Harrison A, Hartigan-O'Connor E, Haselschwardt SJ, Hernandez MA, Hertel SA, Heuermann G, Hjemfelt C, Hoff MD, Holtom E, Hor JYK, Horn M, Huang DQ, Hunt D, Ignarra CM, Jacobsen RG, Jahangir O, James RS, Jeffery SN, Ji W, Johnson J, Kaboth AC, Kamaha AC, Kamdin K, Kasey V, Kazkaz K, Keefner J, Khaitan D, Khaleeq M, Khazov A, Khurana I, Kim YD, Kocher CD, Kodroff D, Korley L, Korolkova EV, Kras J, Kraus H, Kravitz S, Krebs HJ, Kreczko L, Krikler B, Kudryavtsev VA, Kyre S, Landerud B, Leason EA, Lee C, Lee J, Leonard DS, Leonard R, Lesko KT, Levy C, Li J, Liao FT, Liao J, Lin J, Lindote A, Linehan R, Lippincott WH, Liu R, Liu X, Liu Y, Loniewski C, Lopes MI, Lopez Asamar E, López Paredes B, Lorenzon W, Lucero D, Luitz S, Lyle JM, Majewski PA, Makkinje J, Malling DC, Manalaysay A, Manenti L, Mannino RL, Marangou N, Marzioni MF, Maupin C, McCarthy ME, McConnell CT, McKinsey DN, McLaughlin J, Meng Y, Migneault J, Miller EH, Mizrachi E, Mock JA, Monte A, Monzani ME, Morad JA, Morales Mendoza JD, Morrison E, Mount BJ, Murdy M, Murphy ASJ, Naim D, Naylor A, Nedlik C, Nehrkorn C, Neves F, Nguyen A, Nikoleyczik JA, Nilima A, O'Dell J, O'Neill FG, O'Sullivan K, Olcina I, Olevitch MA, Oliver-Mallory KC, Orpwood J, Pagenkopf D, Pal S, Palladino KJ, Palmer J, Pangilinan M, Parveen N, Patton SJ, Pease EK, Penning B, Pereira C, Pereira G, Perry E, Pershing T, Peterson IB, Piepke A, Podczerwinski J, Porzio D, Powell S, Preece RM, Pushkin K, Qie Y, Ratcliff BN, Reichenbacher J, Reichhart L, Rhyne CA, Richards A, Riffard Q, Rischbieter GRC, Rodrigues JP, Rodriguez A, Rose HJ, Rosero R, Rossiter P, Rushton T, Rutherford G, Rynders D, Saba JS, Santone D, Sazzad ABMR, Schnee RW, Scovell PR, Seymour D, Shaw S, Shutt T, Silk JJ, Silva C, Sinev G, Skarpaas K, Skulski W, Smith R, Solmaz M, Solovov VN, Sorensen P, Soria J, Stancu I, Stark MR, Stevens A, Stiegler TM, Stifter K, Studley R, Suerfu B, Sumner TJ, Sutcliffe P, Swanson N, Szydagis M, Tan M, Taylor DJ, Taylor R, Taylor WC, Temples DJ, Tennyson BP, Terman PA, Thomas KJ, Tiedt DR, Timalsina M, To WH, Tomás A, Tong Z, Tovey DR, Tranter J, Trask M, Tripathi M, Tronstad DR, Tull CE, Turner W, Tvrznikova L, Utku U, Va'vra J, Vacheret A, Vaitkus AC, Verbus JR, Voirin E, Waldron WL, Wang A, Wang B, Wang JJ, Wang W, Wang Y, Watson JR, Webb RC, White A, White DT, White JT, White RG, Whitis TJ, Williams M, Wisniewski WJ, Witherell MS, Wolfs FLH, Wolfs JD, Woodford S, Woodward D, Worm SD, Wright CJ, Xia Q, Xiang X, Xiao Q, Xu J, Yeh M, Yin J, Young I, Zarzhitsky P, Zuckerman A, Zweig EA. First Dark Matter Search Results from the LUX-ZEPLIN (LZ) Experiment. Phys Rev Lett 2023; 131:041002. [PMID: 37566836 DOI: 10.1103/physrevlett.131.041002] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 03/06/2023] [Accepted: 06/07/2023] [Indexed: 08/13/2023]
Abstract
The LUX-ZEPLIN experiment is a dark matter detector centered on a dual-phase xenon time projection chamber operating at the Sanford Underground Research Facility in Lead, South Dakota, USA. This Letter reports results from LUX-ZEPLIN's first search for weakly interacting massive particles (WIMPs) with an exposure of 60 live days using a fiducial mass of 5.5 t. A profile-likelihood ratio analysis shows the data to be consistent with a background-only hypothesis, setting new limits on spin-independent WIMP-nucleon, spin-dependent WIMP-neutron, and spin-dependent WIMP-proton cross sections for WIMP masses above 9 GeV/c^{2}. The most stringent limit is set for spin-independent scattering at 36 GeV/c^{2}, rejecting cross sections above 9.2×10^{-48} cm at the 90% confidence level.
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Affiliation(s)
- J Aalbers
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - D S Akerib
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - C W Akerlof
- University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
| | - A K Al Musalhi
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
| | - F Alder
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - A Alqahtani
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - S K Alsum
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - C S Amarasinghe
- University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
| | - A Ames
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - T J Anderson
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - N Angelides
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - H M Araújo
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - J E Armstrong
- University of Maryland, Department of Physics, College Park, Maryland 20742-4111, USA
| | - M Arthurs
- University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
| | - S Azadi
- University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
| | - A J Bailey
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - A Baker
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - J Balajthy
- University of California, Davis, Department of Physics, Davis, California 95616-5270, USA
| | - S Balashov
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
| | - J Bang
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - J W Bargemann
- University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
| | - M J Barry
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - J Barthel
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
| | - D Bauer
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - A Baxter
- University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
| | - K Beattie
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - J Belle
- Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510-5011, USA
| | - P Beltrame
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
- University of Edinburgh, SUPA, School of Physics and Astronomy, Edinburgh EH9 3FD, United Kingdom
| | - J Bensinger
- Brandeis University, Department of Physics, Waltham, Massachusetts 02453, USA
| | - T Benson
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - E P Bernard
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - A Bhatti
- University of Maryland, Department of Physics, College Park, Maryland 20742-4111, USA
| | - A Biekert
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - T P Biesiadzinski
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - H J Birch
- University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
- University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
| | - B Birrittella
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - G M Blockinger
- University at Albany (SUNY), Department of Physics, Albany, New York 12222-0100, USA
| | - K E Boast
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
| | - B Boxer
- University of California, Davis, Department of Physics, Davis, California 95616-5270, USA
- University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
| | - R Bramante
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - C A J Brew
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
| | - P Brás
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - J H Buckley
- Washington University in St. Louis, Department of Physics, St. Louis, Missouri 63130-4862, USA
| | - V V Bugaev
- Washington University in St. Louis, Department of Physics, St. Louis, Missouri 63130-4862, USA
| | - S Burdin
- University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
| | - J K Busenitz
- University of Alabama, Department of Physics and Astronomy, Tuscaloosa, Alabama 34587-0324, USA
| | - M Buuck
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - R Cabrita
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - C Carels
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
| | - D L Carlsmith
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - B Carlson
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
| | - M C Carmona-Benitez
- Pennsylvania State University, Department of Physics, University Park, Pennsylvania 16802-6300, USA
| | - M Cascella
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - C Chan
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - A Chawla
- Royal Holloway, University of London, Department of Physics, Egham, TW20 0EX, United Kingdom
| | - H Chen
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - J J Cherwinka
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - N I Chott
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - A Cole
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - J Coleman
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - M V Converse
- University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627-0171, USA
| | - A Cottle
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
- Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510-5011, USA
| | - G Cox
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
- Pennsylvania State University, Department of Physics, University Park, Pennsylvania 16802-6300, USA
| | - W W Craddock
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
| | - O Creaner
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - D Curran
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
| | - A Currie
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - J E Cutter
- University of California, Davis, Department of Physics, Davis, California 95616-5270, USA
| | - C E Dahl
- Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510-5011, USA
- Northwestern University, Department of Physics & Astronomy, Evanston, Illinois 60208-3112, USA
| | - A David
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - J Davis
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
| | - T J R Davison
- University of Edinburgh, SUPA, School of Physics and Astronomy, Edinburgh EH9 3FD, United Kingdom
| | - J Delgaudio
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
| | - S Dey
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
| | - L de Viveiros
- Pennsylvania State University, Department of Physics, University Park, Pennsylvania 16802-6300, USA
| | - A Dobi
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - J E Y Dobson
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - E Druszkiewicz
- University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627-0171, USA
| | - A Dushkin
- Brandeis University, Department of Physics, Waltham, Massachusetts 02453, USA
| | - T K Edberg
- University of Maryland, Department of Physics, College Park, Maryland 20742-4111, USA
| | - W R Edwards
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - M M Elnimr
- University of Alabama, Department of Physics and Astronomy, Tuscaloosa, Alabama 34587-0324, USA
| | - W T Emmet
- Yale University, Department of Physics, New Haven, Connecticut 06511-8499, USA
| | - S R Eriksen
- University of Bristol, H.H. Wills Physics Laboratory, Bristol, BS8 1TL, United Kingdom
| | - C H Faham
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - A Fan
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - S Fayer
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - N M Fearon
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
| | - S Fiorucci
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - H Flaecher
- University of Bristol, H.H. Wills Physics Laboratory, Bristol, BS8 1TL, United Kingdom
| | - P Ford
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
| | - V B Francis
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
| | - E D Fraser
- University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
| | - T Fruth
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - R J Gaitskell
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - N J Gantos
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - D Garcia
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - A Geffre
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
| | - V M Gehman
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - J Genovesi
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - C Ghag
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - R Gibbons
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - E Gibson
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
| | - M G D Gilchriese
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - S Gokhale
- Brookhaven National Laboratory (BNL), Upton, New York 11973-5000, USA
| | - B Gomber
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - J Green
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
| | - A Greenall
- University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
| | - S Greenwood
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | | | - C B Gwilliam
- University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
| | - C R Hall
- University of Maryland, Department of Physics, College Park, Maryland 20742-4111, USA
| | - S Hans
- Brookhaven National Laboratory (BNL), Upton, New York 11973-5000, USA
| | - K Hanzel
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - A Harrison
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - E Hartigan-O'Connor
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - S J Haselschwardt
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - M A Hernandez
- University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
| | - S A Hertel
- University of Massachusetts, Department of Physics, Amherst, Massachusetts 01003-9337, USA
| | - G Heuermann
- University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
| | - C Hjemfelt
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - M D Hoff
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - E Holtom
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
| | - J Y-K Hor
- University of Alabama, Department of Physics and Astronomy, Tuscaloosa, Alabama 34587-0324, USA
| | - M Horn
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
| | - D Q Huang
- University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - D Hunt
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
| | - C M Ignarra
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - R G Jacobsen
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - O Jahangir
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - R S James
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - S N Jeffery
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
| | - W Ji
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - J Johnson
- University of California, Davis, Department of Physics, Davis, California 95616-5270, USA
| | - A C Kaboth
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
- Royal Holloway, University of London, Department of Physics, Egham, TW20 0EX, United Kingdom
| | - A C Kamaha
- University at Albany (SUNY), Department of Physics, Albany, New York 12222-0100, USA
- University of Califonia, Los Angeles, Department of Physics and Astronomy, Los Angeles, California 90095-1547
| | - K Kamdin
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - V Kasey
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - K Kazkaz
- Lawrence Livermore National Laboratory (LLNL), Livermore, California 94550-9698, USA
| | - J Keefner
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
| | - D Khaitan
- University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627-0171, USA
| | - M Khaleeq
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - A Khazov
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
| | - I Khurana
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - Y D Kim
- IBS Center for Underground Physics (CUP), Yuseong-gu, Daejeon, Korea
| | - C D Kocher
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - D Kodroff
- Pennsylvania State University, Department of Physics, University Park, Pennsylvania 16802-6300, USA
| | - L Korley
- University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
- Brandeis University, Department of Physics, Waltham, Massachusetts 02453, USA
| | - E V Korolkova
- University of Sheffield, Department of Physics and Astronomy, Sheffield S3 7RH, United Kingdom
| | - J Kras
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - H Kraus
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
| | - S Kravitz
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - H J Krebs
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
| | - L Kreczko
- Brookhaven National Laboratory (BNL), Upton, New York 11973-5000, USA
| | - B Krikler
- Brookhaven National Laboratory (BNL), Upton, New York 11973-5000, USA
| | - V A Kudryavtsev
- University of Sheffield, Department of Physics and Astronomy, Sheffield S3 7RH, United Kingdom
| | - S Kyre
- University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
| | - B Landerud
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - E A Leason
- University of Edinburgh, SUPA, School of Physics and Astronomy, Edinburgh EH9 3FD, United Kingdom
| | - C Lee
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - J Lee
- IBS Center for Underground Physics (CUP), Yuseong-gu, Daejeon, Korea
| | - D S Leonard
- IBS Center for Underground Physics (CUP), Yuseong-gu, Daejeon, Korea
| | - R Leonard
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - K T Lesko
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - C Levy
- University at Albany (SUNY), Department of Physics, Albany, New York 12222-0100, USA
| | - J Li
- IBS Center for Underground Physics (CUP), Yuseong-gu, Daejeon, Korea
| | - F-T Liao
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
| | - J Liao
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - J Lin
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - A Lindote
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - R Linehan
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - W H Lippincott
- University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
- Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510-5011, USA
| | - R Liu
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - X Liu
- University of Edinburgh, SUPA, School of Physics and Astronomy, Edinburgh EH9 3FD, United Kingdom
| | - Y Liu
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - C Loniewski
- University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627-0171, USA
| | - M I Lopes
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - E Lopez Asamar
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - B López Paredes
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - W Lorenzon
- University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
| | - D Lucero
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
| | - S Luitz
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
| | - J M Lyle
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - P A Majewski
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
| | - J Makkinje
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - D C Malling
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - A Manalaysay
- University of California, Davis, Department of Physics, Davis, California 95616-5270, USA
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - L Manenti
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - R L Mannino
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - N Marangou
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - M F Marzioni
- University of Edinburgh, SUPA, School of Physics and Astronomy, Edinburgh EH9 3FD, United Kingdom
| | - C Maupin
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
| | - M E McCarthy
- University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627-0171, USA
| | - C T McConnell
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - D N McKinsey
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - J McLaughlin
- Northwestern University, Department of Physics & Astronomy, Evanston, Illinois 60208-3112, USA
| | - Y Meng
- University of Alabama, Department of Physics and Astronomy, Tuscaloosa, Alabama 34587-0324, USA
| | - J Migneault
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - E H Miller
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - E Mizrachi
- University of Maryland, Department of Physics, College Park, Maryland 20742-4111, USA
- Lawrence Livermore National Laboratory (LLNL), Livermore, California 94550-9698, USA
| | - J A Mock
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University at Albany (SUNY), Department of Physics, Albany, New York 12222-0100, USA
| | - A Monte
- University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
- Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510-5011, USA
| | - M E Monzani
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
- Vatican Observatory, Castel Gandolfo, V-00120, Vatican City State
| | - J A Morad
- University of California, Davis, Department of Physics, Davis, California 95616-5270, USA
| | - J D Morales Mendoza
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - E Morrison
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - B J Mount
- Black Hills State University, School of Natural Sciences, Spearfish, South Dakota 57799-0002, USA
| | - M Murdy
- University of Massachusetts, Department of Physics, Amherst, Massachusetts 01003-9337, USA
| | - A St J Murphy
- University of Edinburgh, SUPA, School of Physics and Astronomy, Edinburgh EH9 3FD, United Kingdom
| | - D Naim
- University of California, Davis, Department of Physics, Davis, California 95616-5270, USA
| | - A Naylor
- University of Sheffield, Department of Physics and Astronomy, Sheffield S3 7RH, United Kingdom
| | - C Nedlik
- University of Massachusetts, Department of Physics, Amherst, Massachusetts 01003-9337, USA
| | - C Nehrkorn
- University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
| | - F Neves
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - A Nguyen
- University of Edinburgh, SUPA, School of Physics and Astronomy, Edinburgh EH9 3FD, United Kingdom
| | - J A Nikoleyczik
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - A Nilima
- University of Edinburgh, SUPA, School of Physics and Astronomy, Edinburgh EH9 3FD, United Kingdom
| | - J O'Dell
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
| | - F G O'Neill
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
| | - K O'Sullivan
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - I Olcina
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - M A Olevitch
- Washington University in St. Louis, Department of Physics, St. Louis, Missouri 63130-4862, USA
| | - K C Oliver-Mallory
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - J Orpwood
- University of Sheffield, Department of Physics and Astronomy, Sheffield S3 7RH, United Kingdom
| | - D Pagenkopf
- University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
| | - S Pal
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - K J Palladino
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - J Palmer
- Royal Holloway, University of London, Department of Physics, Egham, TW20 0EX, United Kingdom
| | - M Pangilinan
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - N Parveen
- University at Albany (SUNY), Department of Physics, Albany, New York 12222-0100, USA
| | - S J Patton
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - E K Pease
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - B Penning
- University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
- Brandeis University, Department of Physics, Waltham, Massachusetts 02453, USA
| | - C Pereira
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - G Pereira
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - E Perry
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - T Pershing
- Lawrence Livermore National Laboratory (LLNL), Livermore, California 94550-9698, USA
| | - I B Peterson
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - A Piepke
- University of Alabama, Department of Physics and Astronomy, Tuscaloosa, Alabama 34587-0324, USA
| | - J Podczerwinski
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - D Porzio
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - S Powell
- University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
| | - R M Preece
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
| | - K Pushkin
- University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
| | - Y Qie
- University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627-0171, USA
| | - B N Ratcliff
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
| | - J Reichenbacher
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - L Reichhart
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - C A Rhyne
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - A Richards
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - Q Riffard
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - G R C Rischbieter
- University at Albany (SUNY), Department of Physics, Albany, New York 12222-0100, USA
| | - J P Rodrigues
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - A Rodriguez
- Black Hills State University, School of Natural Sciences, Spearfish, South Dakota 57799-0002, USA
| | - H J Rose
- University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
| | - R Rosero
- Brookhaven National Laboratory (BNL), Upton, New York 11973-5000, USA
| | - P Rossiter
- University of Sheffield, Department of Physics and Astronomy, Sheffield S3 7RH, United Kingdom
| | - T Rushton
- University of Sheffield, Department of Physics and Astronomy, Sheffield S3 7RH, United Kingdom
| | - G Rutherford
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - D Rynders
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
| | - J S Saba
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - D Santone
- Royal Holloway, University of London, Department of Physics, Egham, TW20 0EX, United Kingdom
| | - A B M R Sazzad
- University of Alabama, Department of Physics and Astronomy, Tuscaloosa, Alabama 34587-0324, USA
| | - R W Schnee
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - P R Scovell
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
| | - D Seymour
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - S Shaw
- University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
| | - T Shutt
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - J J Silk
- University of Maryland, Department of Physics, College Park, Maryland 20742-4111, USA
| | - C Silva
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - G Sinev
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - K Skarpaas
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
| | - W Skulski
- University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627-0171, USA
| | - R Smith
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - M Solmaz
- University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
| | - V N Solovov
- Laboratório de Instrumentação e Física Experimental de Partículas (LIP), University of Coimbra, P-3004 516 Coimbra, Portugal
| | - P Sorensen
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - J Soria
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - I Stancu
- University of Alabama, Department of Physics and Astronomy, Tuscaloosa, Alabama 34587-0324, USA
| | - M R Stark
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - A Stevens
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - T M Stiegler
- Texas A&M University, Department of Physics and Astronomy, College Station, Texas 77843-4242, USA
| | - K Stifter
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
- Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510-5011, USA
| | - R Studley
- Brandeis University, Department of Physics, Waltham, Massachusetts 02453, USA
| | - B Suerfu
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - T J Sumner
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - P Sutcliffe
- University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
| | - N Swanson
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - M Szydagis
- University at Albany (SUNY), Department of Physics, Albany, New York 12222-0100, USA
| | - M Tan
- University of Oxford, Department of Physics, Oxford OX1 3RH, United Kingdom
| | - D J Taylor
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
| | - R Taylor
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - W C Taylor
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - D J Temples
- Northwestern University, Department of Physics & Astronomy, Evanston, Illinois 60208-3112, USA
| | - B P Tennyson
- Yale University, Department of Physics, New Haven, Connecticut 06511-8499, USA
| | - P A Terman
- Texas A&M University, Department of Physics and Astronomy, College Station, Texas 77843-4242, USA
| | - K J Thomas
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - D R Tiedt
- University of Maryland, Department of Physics, College Park, Maryland 20742-4111, USA
- South Dakota Science and Technology Authority (SDSTA), Sanford Underground Research Facility, Lead, South Dakota 57754-1700, USA
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - M Timalsina
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - W H To
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - A Tomás
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - Z Tong
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - D R Tovey
- University of Sheffield, Department of Physics and Astronomy, Sheffield S3 7RH, United Kingdom
| | - J Tranter
- University of Sheffield, Department of Physics and Astronomy, Sheffield S3 7RH, United Kingdom
| | - M Trask
- University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
| | - M Tripathi
- University of California, Davis, Department of Physics, Davis, California 95616-5270, USA
| | - D R Tronstad
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701-3901, USA
| | - C E Tull
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - W Turner
- University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
| | - L Tvrznikova
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
- Yale University, Department of Physics, New Haven, Connecticut 06511-8499, USA
- Lawrence Livermore National Laboratory (LLNL), Livermore, California 94550-9698, USA
| | - U Utku
- University College London (UCL), Department of Physics and Astronomy, London WC1E 6BT, United Kingdom
| | - J Va'vra
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
| | - A Vacheret
- Imperial College London, Physics Department, Blackett Laboratory, London SW7 2AZ, United Kingdom
| | - A C Vaitkus
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - J R Verbus
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - E Voirin
- Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510-5011, USA
| | - W L Waldron
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - A Wang
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - B Wang
- University of Alabama, Department of Physics and Astronomy, Tuscaloosa, Alabama 34587-0324, USA
| | - J J Wang
- University of Alabama, Department of Physics and Astronomy, Tuscaloosa, Alabama 34587-0324, USA
| | - W Wang
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
- University of Massachusetts, Department of Physics, Amherst, Massachusetts 01003-9337, USA
| | - Y Wang
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - J R Watson
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - R C Webb
- Texas A&M University, Department of Physics and Astronomy, College Station, Texas 77843-4242, USA
| | - A White
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - D T White
- University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
| | - J T White
- Texas A&M University, Department of Physics and Astronomy, College Station, Texas 77843-4242, USA
| | - R G White
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, California 94305-4085 USA
| | - T J Whitis
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
- University of California, Santa Barbara, Department of Physics, Santa Barbara, California 93106-9530, USA
| | - M Williams
- University of Michigan, Randall Laboratory of Physics, Ann Arbor, Michigan 48109-1040, USA
- Brandeis University, Department of Physics, Waltham, Massachusetts 02453, USA
| | - W J Wisniewski
- SLAC National Accelerator Laboratory, Menlo Park, California 94025-7015, USA
| | - M S Witherell
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
- University of California, Berkeley, Department of Physics, Berkeley, California 94720-7300, USA
| | - F L H Wolfs
- University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627-0171, USA
| | - J D Wolfs
- University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627-0171, USA
| | - S Woodford
- University of Liverpool, Department of Physics, Liverpool L69 7ZE, United Kingdom
| | - D Woodward
- Pennsylvania State University, Department of Physics, University Park, Pennsylvania 16802-6300, USA
| | - S D Worm
- STFC Rutherford Appleton Laboratory (RAL), Didcot, OX11 0QX, United Kingdom
| | - C J Wright
- Brookhaven National Laboratory (BNL), Upton, New York 11973-5000, USA
| | - Q Xia
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, California 94720-8099, USA
| | - X Xiang
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
- Brookhaven National Laboratory (BNL), Upton, New York 11973-5000, USA
| | - Q Xiao
- University of Wisconsin-Madison, Department of Physics, Madison, Wisconsin 53706-1390, USA
| | - J Xu
- Lawrence Livermore National Laboratory (LLNL), Livermore, California 94550-9698, USA
| | - M Yeh
- Brookhaven National Laboratory (BNL), Upton, New York 11973-5000, USA
| | - J Yin
- University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627-0171, USA
| | - I Young
- Fermi National Accelerator Laboratory (FNAL), Batavia, Illinois 60510-5011, USA
| | - P Zarzhitsky
- University of Alabama, Department of Physics and Astronomy, Tuscaloosa, Alabama 34587-0324, USA
| | - A Zuckerman
- Brown University, Department of Physics, Providence, Rhode Island 02912-9037, USA
| | - E A Zweig
- University of Califonia, Los Angeles, Department of Physics and Astronomy, Los Angeles, California 90095-1547
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Fernandes S, Pereira G, Bexiga R. Bimodal milk flow and overmilking in dairy cattle: risk factors and consequences. Animal 2023; 17:100716. [PMID: 36791490 DOI: 10.1016/j.animal.2023.100716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 01/11/2023] [Accepted: 01/12/2023] [Indexed: 01/21/2023] Open
Abstract
To maximise the return on capital invested in the milking parlour, the largest number of cows should be milked gently and completely in the shortest possible time. Bimodal milk flow and overmilking negatively influence the efficiency of the milk removal process and teat health. This observational study had the objective of investigating the prevalence of bimodal milk flow and overmilking, determining which individual and farm-related variables are associated with these occurrences, and determining the association of overmilking and bimodal milk flow with milk yield and with short- and long-term teat changes. Twenty-one farms were visited once during the study period, wherein the milking routine was timed, the teat condition was assessed, and dynamic evaluation of the milking vacuum was performed. A total of 606 vacuum graphic records were obtained, with an average of 29 ± 3 records per farm, in order to indirectly evaluate the milk flow and thus determine the occurrence of bimodal milking and overmilking time. The average percentage of bimodality per farm was 41.7%. The median overmilking time was 59 seconds, and on average, 78.3% of the cows in a herd were overmilked longer than 30 seconds. An association was found at cow level between the occurrence of bimodal milk flow and days in milk, the total stimulation time, parity, and the preparation lag time. The increase in the mean total stimulation time and the number of passes during preparation were associated with a decrease in the proportion of bimodality in the herd. Parity, reattachment of the milking unit and milking in manual mode were associated with an increase in overmilking time of an individual cow. The presence of a clogged air bleed hole in the claw and the reduction of the cluster removal milk flow threshold were associated with an increase in the herd's median overmilking time. The average milk flow decreased with the increase in overmilking time and with the occurrence of bimodal milk flow. An association was also found between the occurrence of bimodal milk flow and decreased milk yield. A mean of 78.4% of cows per farm had short-term teat changes in at least one teat, and 33.6% of evaluated cows per farm displayed at least one teat with hyperkeratosis. These results emphasise the association of bimodality and overmilking on milking efficiency and reinforce the importance of the milkers' actions and the functioning of the milking parlour for its prevention.
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Affiliation(s)
- S Fernandes
- Serbuvet, Lda, Quinta de Cima, 2000-465 Santarém, Portugal
| | - G Pereira
- CIISA - Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal; Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), 1300-477 Lisboa, Portugal
| | - R Bexiga
- Serbuvet, Lda, Quinta de Cima, 2000-465 Santarém, Portugal; CIISA - Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal; Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), 1300-477 Lisboa, Portugal.
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Quaresma M, Pereira G, Nunes ML, Jardim A, Santos C, Bandarra N, Roseiro C. The Effect of the Species and Harvesting Location on Dried Salted Cod Fatty Acid Signatures and Nutritional Quality. Foods 2023; 12:foods12030654. [PMID: 36766183 PMCID: PMC9914330 DOI: 10.3390/foods12030654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/25/2023] [Accepted: 01/28/2023] [Indexed: 02/05/2023] Open
Abstract
The Atlantic cod was listed as 'vulnerable' by the International Union for Conservation of Nature, a condition that persists today. Fishing pressure on the Atlantic cod could be partially transferred to the Pacific cod, since the two cod species share genetic and phenotypic similarities. The aim of this study is to expand knowledge of the composition of dried salted cod obtained from Atlantic and Pacific cod species, with the Atlantic cod being from two different harvesting locations. The comparison of these cod species revealed the existence of nine significant differences among individual FAs (accountable for 63.2% of total FAs), which was at a similar level to that observed between different harvesting locations for the Atlantic cod (ten significant differences among individual FAs, accountable for 61.6% of total FAs). Canonical discriminant analysis and cross-validation achieved full discrimination of the cod's origin and 100% accuracy in the cod's origin classification. The amount of EPA plus DHA in dried salted cod reached its higher value among the Pacific cod (302.3 mg/100 g), while the Atlantic cod averaged 284.1 g/100 g of edible portion. The Pacific cod presented a higher α-tocopherol content than its Atlantic counterpart (8.04 vs. 4.94 µg/g).
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Affiliation(s)
- Mário Quaresma
- CIISA—Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal
- AL4AnimalS—Associate Laboratory for Animal and Veterinary Sciences, 1300-477 Lisbon, Portugal
- Correspondence: ; Tel.: +351-6949-486
| | - Gonçalo Pereira
- CIISA—Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal
- AL4AnimalS—Associate Laboratory for Animal and Veterinary Sciences, 1300-477 Lisbon, Portugal
| | - Maria Leonor Nunes
- CIIMAR—Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos S/N, 4450-208 Matosinhos, Portugal
| | - Angela Jardim
- DGAV—General Directorate of Food and Veterinary, Food and Veterinary Division of Setúbal, 2900-315 Setúbal, Portugal
| | - Carlos Santos
- INIAV, IP—Food Technology and Safety Division, National Institute for Agricultural and Veterinary Research, Quinta do Marquês, Av. da República, 2780-159 Oeiras, Portugal
| | - Narcisa Bandarra
- IPMA, IP—Division of Aquaculture and Upgrading, Portuguese Institute for the Sea and Atmosphere, Av. Alfredo Magalhães Ramalho, 6, 1495-165 Algés, Portugal
| | - Cristina Roseiro
- INIAV, IP—Food Technology and Safety Division, National Institute for Agricultural and Veterinary Research, Quinta do Marquês, Av. da República, 2780-159 Oeiras, Portugal
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Quaresma MAG, Pereira G, Nunes ML, Sponda C, Jardim A, Gonçalves H, Santos C, Roseiro LC. Evaluating dried salted cod amino acid signature for nutritional quality assessment and discriminant analysis. Front Nutr 2023; 10:1144713. [PMID: 37125032 PMCID: PMC10140297 DOI: 10.3389/fnut.2023.1144713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 03/14/2023] [Indexed: 05/02/2023] Open
Abstract
Aim Thus, the aim of this study was to answer three scientific questions: (1) Are the protein content and amino acid profile of dried salted cod influenced by species (Gadus morhua and Gadus macrocephalus)? (2) Are the protein content and amino acid profile of dried salted cod influenced by the geographical area of capture (Iceland and Norway)? and (3) Does the amino acid profile have the potential to be used as a discriminator of species and geographical areas of capture? Methods A total of 45 dried salted cods (2-3 kg of dry weight; n = 15 samples/origin) were used in this study. The Atlantic cod was fished in the Atlantic northeast (FAO 27 area) within the Exclusive Economic zones (EEZ) of Norway (n = 15) and Iceland (n = 15), while the Pacific cod was caught in the Pacific northeast (FAO 67 area) within the Alaska EEZ (n = 15). Total protein content was determined by the Kjeldahl method, in accordance with the AOAC procedures. The amino acid profile was analyzed by HPLC with fluorescence detection (at excitation and emission wavelengths of 338 and 425 nm, respectively). Results The Atlantic cod presented higher contents of total protein (33.90 versus 33.10 g/100 g of cod edible portion; p = 0.017) and total amino acid contents (32.52 versus 32.04 g/100 g of cod edible portion; p = 0.015) but displayed lower percentage of indispensable amino acids (32.16 versus 32.83 g/100 g of protein; p < 0.001) than Pacific cod. Among the Atlantic cod harvesting locations, the Norwegian cod displayed higher total amino acid contents (96.91 versus 96.81 g/100 g of protein; p = 0.012) and higher percentage of indispensable amino acids (35.38 versus 28.94 g/100 g of protein; p = 0.042) than the Icelandic counterpart. A correct classification of 100% was obtained for the Pacific and Icelandic cod varieties, but the classification accuracy in the Norwegian cod was of just 86.67%, since 2 samples out of 15 were incorrectly classified as Icelandic. Conclusion The comparison of cod species showed that the Atlantic cod had a significantly lower EAAI than the Pacific cod (p < 0.001; 88.23 versus 88.61). On the other hand, the comparison of the two origins in the Atlantic cod, showed that Norwegian cod displayed a significantly higher EAAI than the Icelandic cod (99.15 versus 77.32). The assessment of the EAAI allows the classification of the protein's nutritional quality, allowing us to classify both cod species as a good protein source to human diet. However, within the Atlantic cod, the Norwegian cod's protein is classified as high quality, while the Icelandic cod attain the classification of useful quality. Regarding the amino acid profile discriminatory potential to classify cod samples. The results show that the AA profile has 100% accuracy in the separation of cod species, but was not globally efficient in the differentiation of the Norwegian from the Icelandic cod.
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Affiliation(s)
- M. A. G. Quaresma
- CIISA—Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
- AL4AnimalS—Associate Laboratory for Animal and Veterinary Sciences, Lisbon, Portugal
- *Correspondence: M. A. G. Quaresma,
| | - G. Pereira
- CIISA—Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
- AL4AnimalS—Associate Laboratory for Animal and Veterinary Sciences, Lisbon, Portugal
| | - M. L. Nunes
- CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, Terminal de Cruzeiros do Porto de Leixões, University of Porto, Matosinhos, Portugal
| | - C. Sponda
- CIISA—Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
- AL4AnimalS—Associate Laboratory for Animal and Veterinary Sciences, Lisbon, Portugal
| | - A. Jardim
- Food and Veterinary Department of Setúbal, General Directorate of Food and Veterinary (DGAV), Setúbal, Portugal
| | - H. Gonçalves
- Food Technology and Safety Division, National Institute for Agricultural and Veterinary Research (INIAV, IP), Quinta do Marquês, Oeiras, Portugal
| | - C. Santos
- Food Technology and Safety Division, National Institute for Agricultural and Veterinary Research (INIAV, IP), Quinta do Marquês, Oeiras, Portugal
| | - L. C. Roseiro
- Food Technology and Safety Division, National Institute for Agricultural and Veterinary Research (INIAV, IP), Quinta do Marquês, Oeiras, Portugal
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Silva MF, Kienesberger S, Pereira G, Mateus L, Lopes-da-Costa L, Silva E. Molecular diagnosis of bovine genital campylobacteriosis using high-resolution melting analysis. Front Microbiol 2022; 13:969825. [PMID: 36160264 PMCID: PMC9501873 DOI: 10.3389/fmicb.2022.969825] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/23/2022] [Indexed: 11/13/2022] Open
Abstract
Bovine Genital Campylobacteriosis (BGC) is a worldwide spread venereal disease of cattle caused by Campylobacter fetus subsp. venerealis (Cfv). Although several real-time PCR assays were developed for Cfv identification, most target mobile genetic elements, which may lead to false-positive diagnosis. In this study, a real-time PCR assay coupled with High-Resolution Melting analysis (HRM) was developed for the identification of Campylobacter fetus subspecies and application in BGC diagnosis. Two HRM assays targeting different single nucleotide polymorphisms were validated using 51 C. fetus strains, including 36 Cfv and 15 C. fetus subsp. fetus (Cff). The specificity was assessed in 50 preputial samples previously tested as negative for C. fetus and in 24 strains from other Campylobacter species. The analytical sensitivity was determined with ten-fold dilutions of Cfv genome copies and in preputial samples spiked with Cfv cells. Both HRM assays accurately identified the 51 C. fetus strains, showing 100% concordance with the previous identification. C. fetus subspecies identification by HRM showed concordant results with the glycine test in 98.0% of the isolates. No amplification was obtained in C. fetus negative preputial samples as well as in strains from other Campylobacter species. The assays were able to detect 102 genome copies of Cfv, while for preputial washing samples the limit of detection was 103 CFU/mL. These novel HRM assays represent a highly specific and sensitive tool for the identification of C. fetus subspecies and show potential for direct use in bull preputial samples for BGC diagnosis.
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Affiliation(s)
- Marta Filipa Silva
- Faculdade de Medicina Veterinária, Centro de Investigação Interdisciplinar em Sanidade Animal (CIISA), Universidade de Lisboa, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), Lisbon, Portugal
| | - Sabine Kienesberger
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
- BioTechMed-Graz, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
| | - Gonçalo Pereira
- Faculdade de Medicina Veterinária, Centro de Investigação Interdisciplinar em Sanidade Animal (CIISA), Universidade de Lisboa, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), Lisbon, Portugal
| | - Luísa Mateus
- Faculdade de Medicina Veterinária, Centro de Investigação Interdisciplinar em Sanidade Animal (CIISA), Universidade de Lisboa, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), Lisbon, Portugal
| | - Luís Lopes-da-Costa
- Faculdade de Medicina Veterinária, Centro de Investigação Interdisciplinar em Sanidade Animal (CIISA), Universidade de Lisboa, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), Lisbon, Portugal
| | - Elisabete Silva
- Faculdade de Medicina Veterinária, Centro de Investigação Interdisciplinar em Sanidade Animal (CIISA), Universidade de Lisboa, Lisbon, Portugal
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), Lisbon, Portugal
- *Correspondence: Elisabete Silva,
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Pereira G, Pereira J, Santos RB, Figueiredo A. Uncovering the role of DNA methyltransferases in grapevine - Plasmopara viticola interaction: From genome-wide characterization to global methylation patterns. Gene 2022; 837:146693. [PMID: 35738444 DOI: 10.1016/j.gene.2022.146693] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 05/10/2022] [Accepted: 06/17/2022] [Indexed: 11/04/2022]
Abstract
Epigenetic regulation has recently gained prominence in the field of plant-pathogen interactions, providing a deeper understanding of the molecular mechanisms associated with plant infection. In grapevine interaction with pathogens, epigenetic regulation still remains a black box. In this work, we characterized grapevine DNA methyltransferase gene family and identified nine DNA methyltransferases genes across eight grapevine chromosomes coding for 17 proteins. We also assessed the modulation of global cytosine methylation and gene expression levels of these genes with the aim of establishing a connection between DNA methylation and grapevine resistance towards downy mildew. Our results revealed that, in the incompatible interaction, an early hypomethylation, coupled with downregulation of DNMT and CMT genes occurs very early after pathogen inoculation. Additionally, the compatible interaction is characterized by a hypermethylation at 6hpi. A temporal delay is evident between the shifts in DNA methyltransferases gene expression in both compatible and incompatible interactions which in turn may be reflected in the global methylation percentage. Overall, we present the first evidence of an epigenetic regulation role in grapevine defense against P. viticola.
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Affiliation(s)
- Gonçalo Pereira
- Grapevine Pathogen Systems Lab, BioISI - Biosystems & Integrative Sciences Institute (BioISI), Faculty of Sciences, University of Lisbon, Lisboa, Portugal
| | - João Pereira
- Grapevine Pathogen Systems Lab, BioISI - Biosystems & Integrative Sciences Institute (BioISI), Faculty of Sciences, University of Lisbon, Lisboa, Portugal
| | - Rita B Santos
- Grapevine Pathogen Systems Lab, BioISI - Biosystems & Integrative Sciences Institute (BioISI), Faculty of Sciences, University of Lisbon, Lisboa, Portugal; Plant Biology Department, Faculty of Sciences, BioISI, University of Lisbon, Lisboa, Portugal.
| | - Andreia Figueiredo
- Grapevine Pathogen Systems Lab, BioISI - Biosystems & Integrative Sciences Institute (BioISI), Faculty of Sciences, University of Lisbon, Lisboa, Portugal; Plant Biology Department, Faculty of Sciences, BioISI, University of Lisbon, Lisboa, Portugal
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Duko B, Pereira G, Betts K, Tait R, Newnham J, Alati R. The risk of depressive symptoms in offspring exposed to prenatal alcohol and tobacco use: evidence from a population-based longitudinal study. Eur Psychiatry 2022. [PMCID: PMC9567110 DOI: 10.1192/j.eurpsy.2022.667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Introduction Evidence from epidemiological studies indicated that intrauterine exposure to alcohol and tobacco is linked with a number of adverse outcomes in offspring. However, few studies have linked prenatal alcohol and tobacco exposures to offspring depressive symptoms with mixed results. Objectives The objective of this study was to examine the link between maternal prenatal alcohol and tobacco exposures and depressive symptoms in offspring. Methods Using data from the Raine Study, a prospective multigenerational observational study, we examined the associations between maternal prenatal alcohol and tobacco use and the risk of depressive symptoms in offspring at age 17 years (N=1168). Depressive symptoms in offspring were measured using the Beck Depression Inventory for Youth. Log-binomial regression was used to estimate relative risk (RR) for associations between exposures and outcome. To better investigate the role of potential confounders, risk factors were sequentially added as adjustment variables in separate models. Results After adjustment for potential confounders, depressive symptoms in offspring remained related to maternal alcohol use of six or more standard drinks per week during the first trimester of pregnancy [RR 1.59 (95% CI: 1.11-2.26)]. Further, the risk of depressive symptoms was 50% higher for offspring exposed to prenatal tobacco use when compared to non-exposed. The Associations did not appear to be mediated by the effects of prenatal alcohol and tobacco use on adverse pregnancy outcomes. Conclusions Early screening and prevention of these exposures could possibly reduce depressive symptoms in offspring. Moreover, future examinations such as Mendelian Randomization that allow a stronger causal inference is warranted. Disclosure No significant relationships.
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Pereira G, Guo Y, Silva E, Silva MF, Bevilacqua C, Charpigny G, Lopes-da-Costa L, Humblot P. Subclinical endometritis differentially affects the transcriptomic profiles of endometrial glandular, luminal, and stromal cells of postpartum dairy cows. J Dairy Sci 2022; 105:6125-6143. [DOI: 10.3168/jds.2022-21811] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 04/05/2022] [Indexed: 01/17/2023]
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Mruts KB, Tessema GA, Gebremedhin AT, Scott J, Pereira G. The effect of family planning counselling on postpartum modern contraceptive uptake in sub-Saharan Africa: a systematic review. Public Health 2022; 206:46-56. [PMID: 35366579 DOI: 10.1016/j.puhe.2022.02.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 02/02/2022] [Accepted: 02/14/2022] [Indexed: 10/18/2022]
Abstract
OBJECTIVE Family planning counselling at different contact points of maternal health services has been recommended for increasing the uptake of modern contraceptive methods. However, studies from sub-Saharan Africa (SSA) demonstrated inconsistent findings. The aim of this systematic review was to synthesise the available current evidence for the association between family planning counselling and postpartum modern contraceptive uptake in SSA. STUDY DESIGN This is a systematic review of the SSA literature. METHODS On 11 February 2021, we searched six electronic databases for studies published in English. We included quantitative observational and interventional studies that assessed the effects of family planning counselling on contraceptive uptake among women who gave birth in the first 12 months. We used Joanna Briggs Institute critical appraisal tools to evaluate study quality. The protocol for this systematic review was registered in PROSPERO (CRD42021234785). RESULTS Twenty-seven studies with 26,814 participants comprising 18 observational and nine interventional studies were included. Family planning counselling during antenatal care, delivery, postnatal care, and antenatal and postnatal care was associated with postpartum contraceptive uptake. Moreover, the newly implemented family planning counselling interventions improved postpartum modern contraceptive uptake. CONCLUSION Overall, the evidence suggests that family planning counselling during the different maternal health service delivery points enhances contraceptive uptake among postpartum women. SSA countries should promote and strengthen family planning counselling integrated with maternal health services, which will play a significant role in combating unintended and closely spaced pregnancies.
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Affiliation(s)
- K B Mruts
- Curtin School of Population Health, Curtin University, Perth, Western Australia, Australia; School of Public Health, College of Health Science, Debre Berhan University, Debre Berhan, Ethiopia.
| | - G A Tessema
- Curtin School of Population Health, Curtin University, Perth, Western Australia, Australia; School of Public Health, University of Adelaide, Adelaide, South Australia, Australia
| | - A T Gebremedhin
- Curtin School of Population Health, Curtin University, Perth, Western Australia, Australia; Wesfarmers Centre of Vaccine and Infectious Diseases, Telethon Kids Institute, University of Western Australia, Perth, Western Australia
| | - J Scott
- Curtin School of Population Health, Curtin University, Perth, Western Australia, Australia
| | - G Pereira
- Curtin School of Population Health, Curtin University, Perth, Western Australia, Australia; Centre for Fertility and Health (CeFH), Norwegian Institute of Public Health, Oslo, Norway; enAble Institute, Curtin University, Perth, Western Australia
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Pereira G, Guo Y, Silva E, Bevilacqua C, Charpigny G, Lopes-da-Costa L, Humblot P. Progesterone differentially affects the transcriptomic profiles of cow endometrial cell types. BMC Genomics 2022; 23:82. [PMID: 35086476 PMCID: PMC8793221 DOI: 10.1186/s12864-022-08323-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 01/20/2022] [Indexed: 01/04/2023] Open
Abstract
Background The endometrium is a heterogeneous tissue composed of luminal epithelial (LE), glandular epithelial (GE), and stromal cells (ST), experiencing progesterone regulated dynamic changes during the estrous cycle. In the cow, this regulation at the transcriptomic level was only evaluated in the whole tissue. This study describes specific gene expression in the three types of cells isolated from endometrial biopsies following laser capture microdissection and the transcriptome changes induced by progesterone in GE and ST cells. Results Endometrial LE, GE, and ST cells show specific transcriptomic profiles. Most of the differentially expressed genes (DEGs) in response to progesterone are cell type-specific (96%). Genes involved in cell cycle and nuclear division are under-expressed in the presence of progesterone in GE, highlighting the anti-proliferative action of progesterone in epithelial cells. Elevated progesterone concentrations are also associated with the under-expression of estrogen receptor 1 (ESR1) in GE and oxytocin receptor (OXTR) in GE and ST cells. In ST cells, transcription factors such as SOX17 and FOXA2, known to regulate uterine epithelial-stromal cross-talk conveying to endometrial receptivity, are over-expressed under progesterone influence. Conclusions The results from this study show that progesterone regulates endometrial function in a cell type-specific way, which is independent of the expression of its main receptor PGR. These novel insights into uterine physiology present the cell compartment as the physiological unit rather than the whole tissue. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-022-08323-z.
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Affiliation(s)
- Gonçalo Pereira
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Yongzhi Guo
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, SLU, PO Box 7054, 750 07, Uppsala, Sweden
| | - Elisabete Silva
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Claudia Bevilacqua
- Université Paris-Saclay, INRAE, AgroParisTech, GABI, 78350, Jouy-en-Josas, France
| | - Gilles Charpigny
- Université Paris-Saclay, INRAE, ENVA, BREED, 78350, Jouy-en-Josas, France
| | - Luís Lopes-da-Costa
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal.
| | - Patrice Humblot
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, SLU, PO Box 7054, 750 07, Uppsala, Sweden
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Dunne J, Tessema GA, Pereira G. The role of confounding in the association between pregnancy complications and subsequent preterm birth: a cohort study. BJOG 2021; 129:890-899. [PMID: 34773346 DOI: 10.1111/1471-0528.17007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 11/01/2021] [Accepted: 11/09/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To estimate the degree of confounding necessary to explain the associations between complications in a first pregnancy and the subsequent risk of preterm birth. DESIGN Population-based cohort study. SETTING Western Australia. POPULATION Women (n = 125 473) who gave birth to their first and second singleton children between 1998 and 2015. MAIN OUTCOME MEASURES Relative risk (RR) of a subsequent preterm birth (<37 weeks of gestation) with complications of pre-eclampsia, placental abruption, small-for-gestational age and perinatal death (stillbirth and neonatal death within 28 days of birth). We derived e-values to determine the minimum strength of association for an unmeasured confounding factor to explain away an observed association. RESULTS Complications in a first pregnancy were associated with an increased risk of a subsequent preterm birth. Relative risks were significantly higher when the complication was recurrent, with the exception of first-term perinatal death. The association with subsequent preterm birth was strongest when pre-eclampsia was recurrent. The risk of subsequent preterm birth with pre-eclampsia was 11.87 (95% CI 9.52-14.79) times higher after a first term birth with pre-eclampsia, and 64.04 (95% CI 53.58-76.55) times higher after a preterm first birth with pre-eclampsia, than an uncomplicated term birth. The e-values were 23.22 and 127.58, respectively. CONCLUSIONS The strong associations between recurrent pre-eclampsia, placental abruption and small-for-gestational age with preterm birth supports the hypothesis of shared underlying causes that persist from pregnancy to pregnancy. High e-values suggest that recurrent confounding is unlikely, as any such unmeasured confounding factor would have to be uncharacteristically large. TWEETABLE ABSTRACT First pregnancy complications are associated with a higher risk of subsequent preterm birth, with evidence strongest for pregnancies complicated by pre-eclampsia.
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Affiliation(s)
- J Dunne
- Curtin School of Population Health, Curtin University, Bentley, Western Australlia, Australia
| | - G A Tessema
- Curtin School of Population Health, Curtin University, Bentley, Western Australlia, Australia.,School of Public Health, University of Adelaide, Adelaide, South Australia, Australia
| | - G Pereira
- Curtin School of Population Health, Curtin University, Bentley, Western Australlia, Australia.,Centre for Fertility and Health (CeFH), Norwegian Institute of Public Health, Oslo, Norway
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Pereira G, Simões P, Bexiga R, Silva E, Mateus L, Fernandes T, Alves SP, Bessa RJB, Lopes-da-Costa L. Effects of feeding rumen-protected linseed fat to postpartum dairy cows on plasma n-3 polyunsaturated fatty acid concentrations and metabolic and reproductive parameters. J Dairy Sci 2021; 105:361-374. [PMID: 34635360 DOI: 10.3168/jds.2021-20674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 04/28/2021] [Accepted: 08/28/2021] [Indexed: 12/30/2022]
Abstract
High-yielding dairy cows experience a negative energy balance and inflammatory status during the transition period. Fat supplementation increases diet energy density, and plasma n-3 polyunsaturated fatty acids (PUFA) have been proposed to improve immune function. This study tested the hypothesis that dietary supplementation with a rumen-protected and n-3 PUFA-enriched fat could ameliorate both the energetic deficit and immune status of postpartum high-yielding dairy cows, improving overall health and reproductive efficiency. At 11 d in milk (DIM), cows were randomly allocated to groups (1) n-3 PUFA (n = 29), supplemented with encapsulated linseed oil supplying additional up to 64 g/d (mean 25 ± 4 g/d) of α-linolenic acid (ALA), or (2) control (n = 31), supplemented with hydrogenated palm oil without ALA content. Fat supplements of the n-3 PUFA and control groups were available through an automated, off-parlor feeding system, and intake depended on the cow's feeding behavior. Plasma ALA concentrations were higher in n-3 PUFA than control cows, following a linear relation with supplement ingestion, resulting in a lower n-6/n-3 ratio in plasma. Metabolic parameters (body condition score and glucose and β-hydroxybutyric acid blood concentrations) were unaffected, but milk yield improved with increased intake of fat supplements. Plasma total adiponectin concentrations were negatively correlated with ingestion of n-3 PUFA-enriched fat supplement, following a linear relation with intake. Conception rate to first AI increased with higher intake of both fats, but a decrease of calving-to-conception interval occurred only in n-3 PUFA cows. Postpartum ovarian activity and endometrial inflammatory status at 45 DIM were unaffected. In conclusion, this study evinced a positive linear relation between rumen-protected linseed fat intake and plasma n-3 PUFA concentrations, which modulated adiponectin expression and improved reproductive parameters.
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Affiliation(s)
- Gonçalo Pereira
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
| | - Patrícia Simões
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
| | - Ricardo Bexiga
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
| | - Elisabete Silva
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
| | - Luisa Mateus
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
| | - Tatiane Fernandes
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
| | - Susana P Alves
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
| | - Rui J B Bessa
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
| | - Luis Lopes-da-Costa
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal.
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Pereira G, Bexiga R, Chagas E Silva J, Silva E, Ramé C, Dupont J, Guo Y, Humblot P, Lopes-da-Costa L. Adipokines as biomarkers of postpartum subclinical endometritis in dairy cows. Reproduction 2021; 160:417-430. [PMID: 32567551 PMCID: PMC7424352 DOI: 10.1530/rep-20-0183] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 06/18/2020] [Indexed: 12/20/2022]
Abstract
Adipokines emerged as regulators of metabolism and inflammation in several scenarios. This study evaluated the relationship between adipokines (adiponectin, chemerin and visfatin) and cytological (subclinical) endometritis, by comparing healthy (without), transient (recovered by 45 days postpartum (DPP)) and persistent (until 45 DPP) endometritis cows (n = 49). Cows with persistent endometritis had higher adiponectin concentrations in plasma (at 21 DPP, P < 0.05 and at 45 DPP, P < 0.01) and in uterine fluid (at 45 DPP, P < 0.001), and higher chemerin concentrations in plasma (P < 0.05) and uterine fluid (P < 0.01) at 45 DPP than healthy cows. Cows with persistent endometritis had higher gene transcription in the cellular pellet of uterine fluid and protein expression in the endometrium of these adipokines and their receptors than healthy cows. Adiponectin plasma concentrations allowed to discriminate healthy from persistent endometritis cows, in 87% (21 DPP) and 98% (45 DPP) of cases, and adiponectin and chemerin uterine fluid concentrations at 45 DPP allowed for this discrimination in 100% of cases. Cows with concentrations above the cutoff were a minimum of 3.5 (plasma 21 DPP), 20.4 (plasma 45 DPP), and 33.3 (uterine fluid 45 DPP) times more at risk of evidencing persistent endometritis at 45 DPP than cows with concentrations below the cutoff. Overall, results indicate a relationship between adipokine signalling and the inflammatory status of the postpartum uterus of dairy cows, evidencing that adipokines represent suitable biomarkers of subclinical endometritis, able to predict the risk of persistence of inflammation.
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Affiliation(s)
- Gonçalo Pereira
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Lisboa, Portugal
| | - Ricardo Bexiga
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Lisboa, Portugal
| | - João Chagas E Silva
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Lisboa, Portugal
| | - Elisabete Silva
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Lisboa, Portugal
| | - Christelle Ramé
- INRAE, UMR85 Physiologie de la Reproduction et des Comportements, Nouzilly, France
| | - Joëlle Dupont
- INRAE, UMR85 Physiologie de la Reproduction et des Comportements, Nouzilly, France
| | - Yongzhi Guo
- Division of Reproduction, Department of Clinical Sciences, SLU, Uppsala, Sweden
| | - Patrice Humblot
- Division of Reproduction, Department of Clinical Sciences, SLU, Uppsala, Sweden
| | - Luís Lopes-da-Costa
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Lisboa, Portugal
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Marinovich ML, Regan AK, Gissler M, Magnus MC, Håberg SE, Mayo JA, Shaw GM, Bell J, Nassar N, Ball S, Gebremedhin AT, Marston C, de Klerk N, Betrán AP, Padula AM, Pereira G. Associations between interpregnancy interval and preterm birth by previous preterm birth status in four high-income countries: a cohort study. BJOG 2021; 128:1134-1143. [PMID: 33232573 DOI: 10.1111/1471-0528.16606] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2020] [Indexed: 12/20/2022]
Abstract
OBJECTIVE To investigate the effect of interpregnancy interval (IPI) on preterm birth (PTB) according to whether the previous birth was preterm or term. DESIGN Cohort study. SETTING USA (California), Australia, Finland, Norway (1980-2017). POPULATION Women who gave birth to first and second (n = 3 213 855) singleton livebirths. METHODS Odds ratios (ORs) for PTB according to IPIs were modelled using logistic regression with prognostic score stratification for potential confounders. Within-site ORs were pooled by random effects meta-analysis. OUTCOME MEASURE PTB (gestational age <37 weeks). RESULTS Absolute risk of PTB for each IPI was 3-6% after a previous term birth and 17-22% after previous PTB. ORs for PTB differed between previous term and preterm births in all countries (P-for-interaction ≤ 0.001). For women with a previous term birth, pooled ORs were increased for IPI <6 months (OR 1.50, 95% CI 1.43-1.58); 6-11 months (OR 1.10, 95% CI 1.04-1.16); 24-59 months (OR 1.16, 95% CI 1.13-1.18); and ≥ 60 months (OR 1.72, 95%CI 1.60-1.86), compared with 18-23 months. For previous PTB, ORs were increased for <6 months (OR 1.30, 95% CI 1.18-1.42) and ≥60 months (OR 1.29, 95% CI 1.17-1.42), but were less than ORs among women with a previous term birth (P < 0.05). CONCLUSIONS Associations between IPI and PTB are modified by whether or not the previous pregnancy was preterm. ORs for short and long IPIs were higher among women with a previous term birth than a previous PTB, which for short IPI is consistent with the maternal depletion hypothesis. Given the high risk of recurrence and assuming a causal association between IPI and PTB, IPI remains a potentially modifiable risk factor for women with previous PTB. TWEETABLE ABSTRACT Short versus long interpregnancy intervals associated with higher ORs for preterm birth (PTB) after a previous PTB.
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Affiliation(s)
- M L Marinovich
- School of Public Health, Curtin University, Perth, WA, Australia
| | - A K Regan
- School of Public Health, Texas A&M University, College Station, TX, USA
| | - M Gissler
- Information Services Department, Finnish Institute for Health and Welfare, Helsinki, Finland
- Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Stockholm, Sweden
| | - M C Magnus
- MRC Integrative Epidemiology Unit at the University of Bristol, Bristol, UK
- Centre for Fertility and Health (CeFH), Norwegian Institute of Public Health, Oslo, Norway
| | - S E Håberg
- Centre for Fertility and Health (CeFH), Norwegian Institute of Public Health, Oslo, Norway
| | - J A Mayo
- Department of Pediatrics, March of Dimes Prematurity Research Center, Stanford University, Stanford, CA, USA
| | - G M Shaw
- Department of Pediatrics, March of Dimes Prematurity Research Center, Stanford University, Stanford, CA, USA
| | - J Bell
- Children's Hospital at Westmead Clinical School, University of Sydney, Sydney, NSW, Australia
| | - N Nassar
- Children's Hospital at Westmead Clinical School, University of Sydney, Sydney, NSW, Australia
| | - S Ball
- School of Nursing, Midwifery and Paramedicine, Curtin University, Perth, WA, Australia
| | - A T Gebremedhin
- School of Public Health, Curtin University, Perth, WA, Australia
| | - C Marston
- Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, UK
| | - N de Klerk
- Telethon Kids Institute, University of Western Australia, Subiaco, WA, Australia
| | - A P Betrán
- Department of Reproductive Health and Research, UNDP/UNFPA, UNICEF/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction, World Health Organization, Geneva, Switzerland
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, CA, USA
| | - A M Padula
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, CA, USA
| | - G Pereira
- School of Public Health, Curtin University, Perth, WA, Australia
- Centre for Fertility and Health (CeFH), Norwegian Institute of Public Health, Oslo, Norway
- Telethon Kids Institute, University of Western Australia, Subiaco, WA, Australia
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Casco N, Jorge AL, Palmero D, Alffenaar JW, Fox G, Ezz W, Cho JG, Skrahina A, Solodovnikova V, Bachez P, Arbex MA, Galvão T, Rabahi M, Pereira GR, Sales R, Silva DR, Saffie MM, Miranda RC, Cancino V, Carbonell M, Cisterna C, Concha C, Cruz A, Salinas NE, Revillot ME, Farias J, Fernandez I, Flores X, Gallegos P, Garavagno A, Guajardo C, Bahamondes MH, Merino LM, Muñoz E, Muñoz C, Navarro I, Navarro J, Ortega C, Palma S, Pardenas AM, Pereira G, Castillo PP, Pinto M, Pizarro R, Rivas F, Rodriguez P, Sánchez C, Serrano A, Soto A, Taiba C, Venegas M, Vergara MS, Vilca E, Villalon C, Yucra E, Li Y, Cruz A, Guelvez B, Plaza R, Tello K, Andréjak C, Blanc FX, Dourmane S, Froissart A, Izadifar A, Rivière F, Schlemmer F, Gupta N, Ish P, Mishra G, Sharma S, Singla R, Udwadia ZF, Manika K, Diallo BD, Hassane-Harouna S, Artiles N, Mejia LA, Alladio F, Calcagno A, Centis R, Codecasa LR, D Ambrosio L, Formenti B, Gaviraghi A, Giacomet V, Goletti D, Gualano G, Kuksa L, Danila E, Diktanas S, Miliauskas S, Ridaura RL, López F, Torrico MM, Rendon A, Akkerman OW, Piubello A, Souleymane MB, Aizpurua E, Gonzales R, Jurado J, Loban A, Aguirre S, de Egea V, Irala S, Medina A, Sequera G, Sosa N, Vázquez F, Manga S, Villanueva R, Araujo D, Duarte R, Marques TS, Grecu VI, Socaci A, Barkanova O, Bogorodskaya M, Borisov S, Mariandyshev A, Kaluzhenina A, Stosic M, Beh D, Ng D, Ong C, Solovic I, Dheda D, Gina P, Caminero JA, Cardoso-Landivar J, de Souza Galvão ML, Dominguez-Castellano A, García-García JM, Pinargote IM, Fernandez SQ, Sánchez-Montalvá A, Huguet ET, Murguiondo MZ, Bruchfeld J, Bart PA, Mazza-Stalder J, Tiberi S, Arrieta F, Heysell S, Logsdon J, Young L. TB and COVID-19 co-infection: rationale and aims of a global study. Int J Tuberc Lung Dis 2021; 25:78-80. [PMID: 33384052 DOI: 10.5588/ijtld.20.0786] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
| | | | | | | | - G Fox
- New South Wales, Australia
| | - W Ezz
- New South Wales, Australia
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Silva MF, Duarte A, Pereira G, Mateus L, Lopes-da-Costa L, Silva E. Assessment of Campylobacter fetus subsp. venerealis molecular diagnosis using clinical samples of bulls. BMC Vet Res 2020; 16:410. [PMID: 33121492 PMCID: PMC7596931 DOI: 10.1186/s12917-020-02634-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 06/29/2020] [Accepted: 10/21/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Campylobacter fetus subsp. venerealis (Cfv) is the pathogen responsible for Bovine Genital Campylobacteriosis (BGC), a venereal disease of cattle associated with impaired reproductive performance. Although several PCR assays were developed to identify this pathogen, most of them are still poorly evaluated in clinical samples. This study evaluated real-time PCR assays for Cfv detection in preputial samples of bulls (n = 308). RESULTS The detection at the subspecies level (Cfv) compared four assays: two targeting ISCfe1 and two targeting parA gene. The detection at the species level (C. fetus) considered an assay targeting the nahE gene and a commercial kit for C. fetus identification. At the subspecies level, assays directed either to different targets (parA and ISCfe1), or to the same target (ISCfe1 or parA), showed a high percentage of disagreeing results. All samples positive at the subspecies level (n = 169) were negative in C. fetus detection assays, which strongly suggests the horizontal gene transfer of ISCfe1 and parA to other bacterial species. This was confirmed by microbiological isolation of three Campylobacter portucalensis strains responsible for false positive results. Sequences with a high level of identity with ISCfe1 and parA gene of Cfv were identified in C. portucalensis genome. CONCLUSIONS Overall, this study reveals that PCR assays solely directed to a subspecies target originate a high rate of false positive results, due to the presence of parA and ISCfe1 homologous sequences in other bacterial species, namely of the genus Campylobacter. Although the specificity of these methods may be higher if applied to bulls from herds with clinical features of BGC or in other geographical regions, current PCR diagnosis should couple subspecies and species targets, and further research must be envisaged to identify Cfv specific molecular targets.
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Affiliation(s)
- Marta Filipa Silva
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Ana Duarte
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Gonçalo Pereira
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Luísa Mateus
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Luís Lopes-da-Costa
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Elisabete Silva
- CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal.
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21
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Regan AK, Arnaout A, Marinovich L, Marston C, Patino I, Kaur R, Gebremedhin A, Pereira G. Interpregnancy interval and risk of perinatal death: a systematic review and meta-analysis. BJOG 2020; 127:1470-1479. [PMID: 32378279 DOI: 10.1111/1471-0528.16303] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/20/2020] [Indexed: 12/28/2022]
Abstract
BACKGROUND Interpregnancy interval (IPI) <6 months is a potentially modifiable risk factor for adverse perinatal health outcomes. OBJECTIVE This systematic review evaluated the international literature on the risk of perinatal death associated with IPI. SEARCH STRATEGY Two independent reviewers screened titles and abstracts identified in MEDLINE, EMBASE and Scopus from inception to 4 April 2019 (Prospero Registration #CRD42018092792). SELECTION CRITERIA Studies were included if they provided a description of IPI measurement and perinatal death, including stillbirth and neonatal death. DATA COLLECTION AND ANALYSIS A narrative review was performed for all included studies. Random effects meta-analysis was used to compare unadjusted odds of perinatal death associated with IPI <6 months and IPI ≥6 months. Analyses were performed by outcome of the preceding pregnancy and study location. MAIN RESULTS Of the 624 unique articles identified, 26 met the inclusion criteria. The pooled unadjusted odds ratio of perinatal death for IPI <6 months was 1.34 (95% CI 1.17-1.53) following a previous live birth, 0.85 (95% CI 0.73-0.99) following a previous miscarriage and 1.07 (95% CI 0.84-1.36) following a previous stillbirth compared with IPI ≥6 months. However, few high-income country studies reported an association after adjustment. Fewer studies evaluated the impact of long IPI on perinatal death and what evidence was available showed mixed results. CONCLUSIONS Results suggest a possible association between short IPI and risk of perinatal death following a live birth, particularly in low- to middle-income countries. TWEETABLE ABSTRACT Short IPI <6 months after a live birth was associated with greater risk of perinatal death than IPI ≥6 months.
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Affiliation(s)
- A K Regan
- School of Public Health, Texas A&M University, College Station, TX, USA.,School of Public Health, Curtin University, Perth, WA, Australia
| | - A Arnaout
- School of Public Health, Curtin University, Perth, WA, Australia
| | - L Marinovich
- School of Public Health, Curtin University, Perth, WA, Australia
| | - C Marston
- London School of Tropical Medicine and Hygiene, London, UK
| | - I Patino
- School of Public Health, Texas A&M University, College Station, TX, USA
| | - R Kaur
- School of Public Health, Texas A&M University, College Station, TX, USA
| | - A Gebremedhin
- School of Public Health, Curtin University, Perth, WA, Australia
| | - G Pereira
- School of Public Health, Curtin University, Perth, WA, Australia.,Centre for Fertility and Health, Norwegian Public Health Institute, Oslo, Norway
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22
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Lousinha A, Pereira G, Borrecho G, Brito J, Oliveira De Carvalho A, Freitas D, Oliveira P, Oliveira MJ, Antunes E. P936Atrial remodeling in rat hearts after exposure to high-intensity infrasound. Europace 2020. [DOI: 10.1093/europace/euaa162.014] [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: 11/14/2022] Open
Abstract
Abstract
Background
Noise is an important environmental risk factor. Industrial environments are rich in high-intensity infrasound (hi-IFS), which we have found to induce myocardial and coronary perivascular fibrosis in rats. Recently, a significant association between noise exposure and the incidence of atrial fibrillation (AF) was found in large cohort studies but the pathophysiology is unclear. Atrial fibrosis remains the cornerstone of atrial pathology in AF. Purpose: We hypothesized that rats exposed to hi-IFS develop atrial remodeling involving fibrosis and connexin 43, which we sought to evaluate. Material and Methods: Seventy-two Wistar rats, half exposed to hi-IFS (120dB, <20Hz) during a maximum period of 12 weeks and half age-matched controls, were studied. Atrial fibrosis was analyzed by Chromotrope-aniline blue staining. The immunohistochemical evaluation of Cx43 was performed using the polyclonal antibody connexin-43m diluted 1:1000 at 4ºC overnight. Digitized images were obtained with an optical microscope using 400× magnifications. The measurements were performed using image J software. A two-way ANOVA model was used to compare the groups. Results: The mean values of the ratio "atrial fibrosis / cardiomyocytes" increased to a maximum of 0,1095 ± 0,04 and 0,5408 ± 0,01, and of the ratio "CX43 / cardiomyocytes" decreased to 0,0834 ± 0,03 and 0,0966 ± 0,03, respectively in IFS-exposed rats and controls. IFS-exposed rats exhibited a significantly higher ratio of fibrosis (p < 0,001) and lower ratio of Cx43 (p = 0,009). Conclusion: High-intensity infrasound exposure triggers atrial remodeling in rat hearts. Whether this finding correlates to arrhythmogenic substrate in noise induced-AF is not known and reinforces the need for further experimental studies.
Table 1 Time of exposure (weeks) Group IFS (n = 36) Group CTL (n = 36) P value Ratio of atrial fibrosis / cardiomyocytesMean ± SD 1 0,0896 ± 0,04 0,0460 ± 0,03 0,007 6 0,0936 ± 0,03 0,0491 ± 0,01 0,001 12 0,1095 ± 0,04 0,0541 ± 0,01 0,001 Ratio of atrial CX43 / cardiomyocytesMean ± SD 1 0,1100 ± 0,03 0,1371 ± 0,03 0,047 6 0,0829 ± 0,04 0,1036 ± 0,03 0,170 12 0,0834 ± 0,03 0,0966 ± 0,03 0,259 Mean ± SD of the two measured outcomes in the two groups. IFS – Infrasound; CTL – Control; SD – standard deviation; Cx43 – Connexin 43
Abstract Figure. Atrial fibrosis and Cx43 /cardiomyocytes
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Affiliation(s)
- A Lousinha
- Center for Interdisciplinary Research Egas Moniz, Monte da Caparica, Portugal
| | - G Pereira
- Center for Interdisciplinary Research Egas Moniz, Monte da Caparica, Portugal
| | - G Borrecho
- Center for Interdisciplinary Research Egas Moniz, Monte da Caparica, Portugal
| | - J Brito
- Center for Interdisciplinary Research Egas Moniz, Monte da Caparica, Portugal
| | | | - D Freitas
- University of Porto, Engineering Faculty, Porto, Portugal
| | - P Oliveira
- Center for Interdisciplinary Research Egas Moniz, Monte da Caparica, Portugal
| | - M J Oliveira
- University of Porto, Department of Anatomy and UMIB of Abel Salazar Biomedical Sciences Institute, Porto, Portugal
| | - E Antunes
- Center for Interdisciplinary Research Egas Moniz, Monte da Caparica, Portugal
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Nascimento M, Lourenço B, Coelho I, Aguiar J, Lázaro M, Silva M, Pereira C, Neves-Caldas I, Gomes F, Garcia S, Nascimento S, Pereira G, Nogueira V, Costa P, Nobre A. No man is an island: spatial clustering and access to primary care as possible targets for the development of new community mental health approaches. BMC Health Serv Res 2020; 20:344. [PMID: 32321489 PMCID: PMC7178966 DOI: 10.1186/s12913-020-05190-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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] [Received: 09/12/2019] [Accepted: 04/06/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND to understand if patients seen at Centro Hospitalar Psiquiátrico de Lisboa (CHPL) live in geographical clusters or randomly throughout the city, as well as determine their access to the psychiatric hospital and primary care facilities (PCF). METHODS spatial autocorrelation statistics were performed (queen criterion of contiguity), regarding all patients observed at CHPL in 2017 (at the census subsection level), and considering not only their overall number but also main diagnosis, and admission to the psychiatric ward - voluntary or compulsory. Distance to the hospital and to the closest PCF was measured (for each patient and the variables cited above), and the mean values were compared. Finally, the total number of patients around each PCF was counted, considering specified radius sizes of 656 and 1000 m. RESULTS All 5161 patients (509 psychiatric admissions) were geolocated, and statistical significance regarding patient clustering was found for the total number (p-0.0001) and specific group of disorders, namely Schizophrenia and related disorders (p-0.007) and depressive disorders (p-0.0002). Patients who were admitted in a psychiatric ward live farther away from the hospital (p-0.002), with the compulsory admissions (versus voluntary ones) living even farther (p-0.004). Furthermore, defining a radius of 1000 m for each PCF allowed the identification of two PCF with more than 1000 patients, and two others with more than 800. CONCLUSIONS as patients seem to live in geographical clusters (and considering PCFs with the highest number of them), possible locations for the development of programs regarding mental health treatment and prevention can now be identified.
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Affiliation(s)
- M Nascimento
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal.
| | - B Lourenço
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - I Coelho
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - J Aguiar
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - M Lázaro
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - M Silva
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - C Pereira
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - I Neves-Caldas
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - F Gomes
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - S Garcia
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - S Nascimento
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - G Pereira
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - V Nogueira
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - P Costa
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
| | - A Nobre
- Centro Hospitalar Psiquiátrico de Lisboa, Avenida do Brasil 53, Lisbon, Portugal
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Thøgersen-Ntoumani C, Quested E, Smith BS, Nicholas J, McVeigh J, Fenton SAM, Stamatakis E, Parker S, Pereira G, Gucciardi DF, Ntoumanis N. Feasibility and preliminary effects of a peer-led motivationally-embellished workplace walking intervention: A pilot cluster randomized trial (the START trial). Contemp Clin Trials 2020; 91:105969. [PMID: 32114186 DOI: 10.1016/j.cct.2020.105969] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 02/19/2020] [Accepted: 02/22/2020] [Indexed: 11/18/2022]
Abstract
Walking interventions can be effective in increasing physical activity amongst physically inactive employees. However, despite their promising potential regarding sustainability and scalability, peer-led workplace walking interventions have not been tested. We evaluated a peer-led workplace group walking intervention designed to engage physically inactive employees. A 16-week pilot cluster randomized controlled trial consisted of enhanced (5 worksites; n = 50 participants) and minimal treatment (3 worksites; n = 47) conditions. All participants were provided with a Fitbit Zip and information on health benefits of walking. Enhanced treatment participants had access to a mobile phone app incorporating behavior change techniques, were trained on principles of autonomous motivation, and had a peer leader trained in a motivationally supportive communication style. Feasibility assessments included recruitment and drop-out rates, assessment completion rates, training acceptability (walkers and peer leaders), and intervention acceptability (walkers only). Outcomes assessed included movement-related behaviors (assessed via activPAL devices), cardio-metabolic risk factors, motivation to walk, and well-being, and these measures were taken at baseline and post-intervention. The results supported intervention feasibility. Preliminary efficacy evidence was mixed. Markers of cardio-metabolic risk improved in the enhanced treatment only. Autonomous motivation increased in both conditions. There were no changes in step counts, standing, and sitting time, or well-being. Further fine tuning is needed before a definitive RCT. Australian and New Zealand Clinical Trials Registry: ACTRN12618000807257.
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Affiliation(s)
- C Thøgersen-Ntoumani
- Physical Activity and Well-Being Research Group, School of Psychology, Curtin University, Perth, Australia.
| | - E Quested
- Physical Activity and Well-Being Research Group, School of Psychology, Curtin University, Perth, Australia
| | - B S Smith
- Physical Activity and Well-Being Research Group, School of Psychology, Curtin University, Perth, Australia
| | - J Nicholas
- Physical Activity and Well-Being Research Group, School of Psychology, Curtin University, Perth, Australia
| | - J McVeigh
- School of Occupational Therapy, Social Work and Speech Pathology, Curtin University, Perth, Australia
| | - S A M Fenton
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, England
| | - E Stamatakis
- Charles Perkins Centre, School of Public Health, University of Sydney, Sydney, Australia
| | - S Parker
- Centre for Transformative Work Design, Future of Work Institute, Curtin University, Perth, Australia
| | - G Pereira
- School of Public Health, Curtin University, Perth, Australia
| | - D F Gucciardi
- School of Physiotherapy and Exercise Science, Curtin University, Perth, Australia
| | - N Ntoumanis
- Physical Activity and Well-Being Research Group, School of Psychology, Curtin University, Perth, Australia
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25
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Pereira G, Cota L, Lima R, Costa F. Effect of preemptive analgesia with ibuprofen in the control of postoperative pain in dental implant surgeries: A randomized, triple-blind controlled clinical trial. J Clin Exp Dent 2020. [DOI: 10.4317/jced.56171] [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: 11/05/2022] Open
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26
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Russell RD, Langer-Gould A, Gonzales EG, Smith JB, Brennan V, Pereira G, Lucas RM, Begley A, Black LJ. Obesity, dieting, and multiple sclerosis. Mult Scler Relat Disord 2019; 39:101889. [PMID: 31838309 DOI: 10.1016/j.msard.2019.101889] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [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: 08/21/2019] [Revised: 11/12/2019] [Accepted: 12/07/2019] [Indexed: 11/16/2022]
Abstract
BACKGROUND Obesity is common in the United States and is associated with a higher risk of relapse and comorbidities, and increased disease progression, in people with MS. METHODS We examined the prevalence of overweight and obesity in the MS Sunshine Study, a matched case-control study of multiple sclerosis in Southern California (470 cases, 519 controls). We reported the proportion of participants who adopted a specific diet for nutrition or weight loss purposes, and identified independent predictors of dieting. RESULTS In the total population, 32% and 37% were overweight and obese, respectively. Case participants were no more likely to adopt a specific diet for nutrition or weight loss purposes than control participants (10% and 11%, respectively). Being obese, younger, female or non-Hispanic were independently associated with dieting. CONCLUSION Despite the evidence that obesity can worsen MS prognosis, and the high prevalence of overweight/obesity, case participants were no more likely to adopt a specific diet than control participants. Improved nutrition education may help people with MS make healthy dietary changes for nutrition or weight loss purposes.
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Affiliation(s)
- R D Russell
- School of Public Health, Curtin University, Perth, Australia
| | - A Langer-Gould
- Neurology Department, Los Angeles Medical Center, Southern California Permanente Medical Group/Kaiser Permanente, Los Angeles, United States
| | - E G Gonzales
- Department of Research and Evaluation, Kaiser Permanente, Pasadena, United States
| | - J B Smith
- Department of Research and Evaluation, Kaiser Permanente, Pasadena, United States
| | - V Brennan
- School of Public Health, Curtin University, Perth, Australia
| | - G Pereira
- School of Public Health, Curtin University, Perth, Australia
| | - R M Lucas
- National Centre for Epidemiology and Population Health, Research School of Population Health, Australian National University, Canberra, Australia; Centre for Ophthalmology and Visual Science, University of Western Australia, Perth, Australia
| | - A Begley
- School of Public Health, Curtin University, Perth, Australia
| | - L J Black
- School of Public Health, Curtin University, Perth, Australia.
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27
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Ramos S, Salazar M, Nascimento L, Carazzolle M, Pereira G, Delforno T, Nascimento M, de Aleluia T, Celeghini R, Efraim P. Influence of pulp on the microbial diversity during cupuassu fermentation. Int J Food Microbiol 2019; 318:108465. [PMID: 31838279 DOI: 10.1016/j.ijfoodmicro.2019.108465] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 10/31/2019] [Accepted: 11/26/2019] [Indexed: 12/15/2022]
Abstract
Cupuassu (Theobroma grandiflorum Schum) is a fruit belonging to the same genus as cocoa and, through seed fermentation, a chocolate-like product called "the cupulate" is obtained. The pulp is removed from the seeds before fermentation because its abundance hinders the process. Unlike cocoa, little is known about the microbial diversity involved in cupuassu fermentation. The goal of this study was to explore the use of next-generation sequencing to identify the yeasts and bacteria communities involved in cupuassu seed fermentation on three different pulp concentrations (0, 7.5, and 15%) as well as two turning schemes on the microbial growth. In order to do that, a massive sequencing of the 16S and ITS4 rRNA region (S) using the Illumina MiSeq Platform identified some genera of bacteria and yeasts, respectively, in the fermentation environment. Taxonomic analyses of both communities, especially at the genus level, revealed a predominance of yeasts such as Pichia and Hanseniaspora, and bacteria such as Acetobacter and Lactobacillus. A predominance of bacteria over yeasts diversity was observed in the experiments with higher pulp concentrations (15%). The physicochemical analysis showed that fermentation of samples with 15% pulp exhibited longer fermentation times, the highest temperatures, and elevated production of organic acids such as acetic acid, a precursor of flavor. In addition, the turning applied every 24 h to the mass slightly favored the formation of flavor precursors. It seems that the abundance and composition of cupuassu pulp, rich in organic compounds, can influence the diversity of some populations of yeasts. Some of those compounds identified in previous studies are terpenes with antimicrobial activity. More studies will be necessary to confirm if the presence of terpenes compounds in the cupuassu pulp exert some inhibitory action on microorganism diversity.
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Affiliation(s)
- Simone Ramos
- Department of Food Technology, University of Campinas, Campinas, São Paulo, Brazil
| | - Marcela Salazar
- Laboratory of Genomic and Expression, Institute of Biology, University of Campinas, São Paulo, Brazil
| | - Leandro Nascimento
- Laboratory of Genomic and Expression, Institute of Biology, University of Campinas, São Paulo, Brazil
| | - Marcelo Carazzolle
- Laboratory of Genomic and Expression, Institute of Biology, University of Campinas, São Paulo, Brazil
| | - Gonçalo Pereira
- Laboratory of Genomic and Expression, Institute of Biology, University of Campinas, São Paulo, Brazil
| | - Tiago Delforno
- Microbial Resources Division, Research Center for Chemistry, Biology and Agriculture (CPQBA), University of Campinas - UNICAMP, São Paulo, Brazil
| | - Maristela Nascimento
- Department of Food Technology, University of Campinas, Campinas, São Paulo, Brazil
| | - Tiago de Aleluia
- Department of Food Technology, University of Campinas, Campinas, São Paulo, Brazil
| | - Renata Celeghini
- Department of Food Technology, University of Campinas, Campinas, São Paulo, Brazil
| | - Priscilla Efraim
- Department of Food Technology, University of Campinas, Campinas, São Paulo, Brazil.
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Santos G, Wolf R, Silva M, Rodacki A, Pereira G. Does exercise intensity increment in exergame promote changes in strength, functional capacity and perceptual parameters in pre-frail older women? A randomized controlled trial. Exp Gerontol 2019; 116:25-30. [DOI: 10.1016/j.exger.2018.12.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/18/2018] [Accepted: 12/11/2018] [Indexed: 02/09/2023]
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Fisher J, Woolrych R, Lawthom R, Makita M, Gunther I, Gunther H, Portella A, Pereira G. OLDER ADULT’S SENSE OF PLACE IN CITIES: MAPS AND CAFES AS RESEARCH METHODS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.905] [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: 11/14/2022] Open
Affiliation(s)
- J Fisher
- Manchester Metropolitan University, Manchester, England, United Kingdom
| | | | - R Lawthom
- Manchester Metropolitan University, Engl
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Woolrych R, Fisher J, Lawthom R, Sixsmith J, Makita M, Portella A, Pereira G, Murray M. EXPERIENCES OF SOCIAL PARTICIPATION AND PLACE AMONG OLDER ADULTS LIVING IN URBAN NEIGHBOURHOODS IN THE UK AND BRAZIL. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.904] [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)
- R Woolrych
- Heriot-Watt University, Edinburgh, Scotland, United Kingdom
| | - J Fisher
- Manchester Metropolitan University, England, UK
| | - R Lawthom
- Manchester Metropolitan University, England, UK
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Lawthom R, Woolrych R, Fisher J, Murray M, Smith H, Garcia-Ferrari S, Portella A, Pereira G. MAKING METHODS AGE FRIENDLY: METHODS, MOVEMENT, AND MAPPING. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.906] [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 Lawthom
- Manchester Metropolitan University, Manchester, England, United Kingdom
| | - R Woolrych
- Heriot-Watt University, Edinburgh, Scotl
| | - J Fisher
- Manchester Metropolitan University, Manchester, Engl
| | | | - H Smith
- Heriot-Watt University, Scotl
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Peixoto R, Riechelmann R, Prolla G, Weschenfelder R, Rego J, Dos Santos Fernandes G, Pereira G, de Oliveira M, da Rocha Filho D, Coutinho A. Treatment choices in metastatic colorectal cancer according to sidedness and RAS/BRAF status: A national survey by the Brazilian Group of Gastrointestinal Tumors (GTG). Ann Oncol 2018. [DOI: 10.1093/annonc/mdy151.264] [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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Cunha C, Oliveira A, Firmino T, Tenório D, Pereira G, Carvalho L, Santos B, Correia M, Fontes A. Biomedical applications of glyconanoparticles based on quantum dots. Biochim Biophys Acta Gen Subj 2018; 1862:427-439. [DOI: 10.1016/j.bbagen.2017.11.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 11/01/2017] [Accepted: 11/05/2017] [Indexed: 01/07/2023]
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Bartoll E, Nieto M, Selva B, Badillo R, Pereira G, Uixera S, Nieto A, Mazón Á. Validation of a Spanish version of the EuroPrevall Food Allergy Quality of Life Questionnaire-Parental Form. Allergol Immunopathol (Madr) 2018; 46:82-86. [PMID: 29033200 DOI: 10.1016/j.aller.2017.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2017] [Revised: 06/07/2017] [Accepted: 06/21/2017] [Indexed: 10/18/2022]
Abstract
BACKGROUND Food allergy can have a major impact on quality of life of children and their parents. Questionnaires have been developed to measure the impact of this disorder. We aimed to validate the EuroPrevall questionnaire on Food Allergy-Quality of Life Questionnaire, Parent Form (FAQLQ-PF) and the Food Allergy Independent Measure (FAIM), translated into Spanish. METHODS The internal consistency of the FAQLQ-PF and the FAIM, translated into Spanish (Spain) and completed by the parents of 74 children with IgE-mediated food allergy, were evaluated with Cronbach's alpha. To test construct validity of the FAQLQ-PF, its correlation with the FAIM was also calculated. To assess their discriminant validity, we compared the values of both depending on the number of offending foods and for children with and without anaphylaxis. RESULTS The values of Cronbach's alpha for the three domains in the FAQLQ-PF were over 0.9. The value of alpha for FAIM questions was below 0.6, which was attributed to the wording of one question. When this question was removed, alpha increased to over 0.70. There was a significant correlation between the FAQLQ-PF score and the FAIM. There were significantly poorer FAQLQ-PF scores in children with more food allergies and worse FAIM in those who had had anaphylaxis. CONCLUSIONS The Spanish version of the FAQLQ-PF had a good internal consistency, good construct validity and validity to discriminate patients with more food allergies and anaphylaxis. It can be used as a tool to evaluate and monitor the quality of life in families with food allergic children.
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Docile TN, Figueiró R, Honório NA, Baptista DF, Pereira G, Dos Santos JAA, Codeço CT. Frequency of Aedes sp. Linnaeus (Diptera: Culicidae) and Associated Entomofauna in Bromeliads from a Forest Patch within a densely Urbanized Area. Neotrop Entomol 2017; 46:613-621. [PMID: 28315189 DOI: 10.1007/s13744-017-0498-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [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: 12/01/2015] [Accepted: 02/16/2017] [Indexed: 06/06/2023]
Abstract
Little is known about the relationship between the presence of Aedes, abiotic factors and the entomofauna existing in phytotelmatas. The aim of this study was to identify biotic and abiotic factors associated with the presence of Aedes in bromeliads sites located in a forest fragment in Rio de Janeiro, Brazil. In the study area, eight bromeliads from the Aechmea genus were chosen and kept in landscape form. Physical and chemical variables were measured. Collected aquatic insects were identified according to the literature. A total of 3102 immature insects were collected. The presence of Aedes aegypti (Linnaeus) (2.29%) was rare. Few specimens were found concentrated in urban-adjacent areas during summer. On the other hand, Aedes albopictus (Skuse) (17.57%) was found throughout the year in 0%-80% of the sites, averaging 1.0 mosq/bromelia. Aedes albopictus was found predominantly in central sites of the forest fragment. The Canonical Correspondence Analysis indicates that most taxa had a moderate association with temperature, dissolved oxygen, and pH. The abiotic variables, such as temperature and dissolved oxygen, affect the distribution of the genus Aedes vectors, while most of the other variables did not.
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Affiliation(s)
- T N Docile
- Lab de Entomologia, Depto de Zoologia, Inst. de Biologia, Univ Federal do Rio de Janeiro (UFRJ), CCS, Bloco A, sala A1-107, Av. Carlos Chagas Filho, 373, Rio de Janeiro, Brasil.
- Núcleo Operacional Sentinela de Mosquitos Vetores (Nosmove)- Fundação Oswaldo Cruz, Rio de Janeiro, Brasil.
- Programa de Computação Científica-Fundação Oswaldo Cruz, Rio de Janeiro, Brasil.
- Programa de Pós-Graduação em Ecologia da Univ Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brasil.
- Lab de Biotecnologia Ambiental, Centro Universitário Estadual da Zona Oeste (UEZO), Rio de Janeiro, Brasil.
| | - R Figueiró
- Lab de Biotecnologia Ambiental, Centro Universitário Estadual da Zona Oeste (UEZO), Rio de Janeiro, Brasil
- Centro Universitário de Volta Redonda (UniFOA), Volta Redonda, Brasil
- Programa de Pós-Graduação em Ciência e Tecnologia Ambiental do Centro Universitário Estadual da Zona Oeste (UEZO), Rio de Janeiro, Brasil
| | - N A Honório
- Núcleo Operacional Sentinela de Mosquitos Vetores (Nosmove)- Fundação Oswaldo Cruz, Rio de Janeiro, Brasil
- Lab de Transmissores de Hematozoários-IOC/ Fundação Oswaldo Cruz, Rio de Janeiro, Brasil
| | - D F Baptista
- Lab de Avaliação e Promoção da Saúde Ambiental -IOC/ Fundação Oswaldo Cruz, Rio de Janeiro, Brasil
| | - G Pereira
- Núcleo Operacional Sentinela de Mosquitos Vetores (Nosmove)- Fundação Oswaldo Cruz, Rio de Janeiro, Brasil
| | - J A A Dos Santos
- Lab de Avaliação e Promoção da Saúde Ambiental -IOC/ Fundação Oswaldo Cruz, Rio de Janeiro, Brasil
| | - C T Codeço
- Núcleo Operacional Sentinela de Mosquitos Vetores (Nosmove)- Fundação Oswaldo Cruz, Rio de Janeiro, Brasil
- Programa de Computação Científica-Fundação Oswaldo Cruz, Rio de Janeiro, Brasil
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Malacova E, Regan A, Nassar N, Raynes-Greenow C, Leonard H, Srinivasjois R, W Shand A, Lavin T, Pereira G. Risk of stillbirth, preterm delivery, and fetal growth restriction following exposure in a previous birth: systematic review and meta-analysis. BJOG 2017; 125:183-192. [PMID: 28856792 DOI: 10.1111/1471-0528.14906] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/02/2017] [Indexed: 11/29/2022]
Abstract
BACKGROUND Little is known about the risk of non-recurrent adverse birth outcomes. OBJECTIVES To evaluate the risk of stillbirth, preterm birth (PTB), and small for gestational age (SGA) as a proxy for fetal growth restriction (FGR) following exposure to one or more of these factors in a previous birth. SEARCH STRATEGY We searched MEDLINE, EMBASE, Maternity and Infant Care, and Global Health from inception to 30 November 2016. SELECTION CRITERIA Studies were included if they investigated the association between stillbirth, PTB, or SGA (as a proxy for FGR) in two subsequent births. DATA COLLECTION AND ANALYSIS Meta-analysis and pooled association presented as odds ratios (ORs) and adjusted odds ratios (aORs). MAIN RESULTS Of the 3399 studies identified, 17 met the inclusion criteria. A PTB or SGA (as a proxy for FGR) infant increased the risk of subsequent stillbirth ((pooled OR 1.70; 95% confidence interval, 95% CI, 1.34-2.16) and (pooled OR 1.98; 95% CI 1.70-2.31), respectively). A combination of exposures, such as a preterm SGA (as a proxy for FGR) birth, doubled the risk of subsequent stillbirth (pooled OR 4.47; 95% CI 2.58-7.76). The risk of stillbirth also varied with prematurity, increasing three-fold following PTB <34 weeks of gestation (pooled OR 2.98; 95% CI 2.05-4.34) and six-fold following preterm SGA (as a proxy for FGR) <34 weeks of gestation (pooled OR 6.00; 95% CI 3.43-10.49). A previous stillbirth increased the risk of PTB (pooled OR 2.82; 95% CI 2.31-3.45), and subsequent SGA (as a proxy for FGR) (pooled OR 1.39; 95% CI 1.10-1.76). CONCLUSION The risk of stillbirth, PTB, or SGA (as a proxy for FGR) was moderately elevated in women who previously experienced a single exposure, but increased between two- and three-fold when two prior adverse outcomes were combined. Clinical guidelines should consider the inter-relationship of stillbirth, PTB, and SGA, and that each condition is an independent risk factor for the other conditions. TWEETABLE ABSTRACT Risk of adverse birth outcomes in next pregnancy increases with the combined number of previous adverse events. PLAIN LANGUAGE SUMMARY Why and how was the study carried out? Each year, around 2.6 million babies are stillborn, 15 million are born preterm (<37 weeks of gestation), and 32 million are born small for gestational age (less than tenth percentile for weight, smaller than usually expected for the relevant pregnancy stage). Being born preterm or small for gestational age can increase the chance of long-term health problems. The effect of having a stillbirth, preterm birth, or small-for-gestational-age infant in a previous pregnancy on future pregnancy health has not been summarised. We identified 3399 studies of outcomes of previous pregnancies, and 17 were summarised by our study. What were the main findings? The outcome of the previous pregnancy influenced the risk of poor outcomes in the next pregnancy. Babies born to mothers who had a previous preterm birth or small-for-gestational-age birth were more likely to be stillborn. The smaller and the more preterm the previous baby, the higher the risk of stillbirth in the following pregnancy. The risk of stillbirth in the following pregnancy was doubled if the previous baby was born both preterm and small for gestational age. Babies born to mothers who had a previous stillbirth were more likely to be preterm or small for gestational age. What are the limitations of the work? We included a small number of studies, as there are not enough studies in this area (adverse birth outcomes followed by adverse cross outcomes in the next pregnancy). We found very few studies that compared the risk of small for gestational age after preterm birth or stillbirth. Definitions of stillbirth, preterm birth categories, and small for gestational age differed across studies. We did not know the cause of stillbirth for most studies. What are the implications for patients? Women who have a history of poor pregnancy outcomes are at greater risk of poor outcomes in following pregnancies. Health providers should be aware of this risk when treating patients with a history of poor pregnancy outcomes.
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Affiliation(s)
- E Malacova
- School of Public Health, Curtin University, Perth, WA, Australia
| | - A Regan
- School of Public Health, Curtin University, Perth, WA, Australia
| | - N Nassar
- Menzies Centre for Health Policy, School of Public Health, University of Sydney, NSW, Australia
| | - C Raynes-Greenow
- Sydney School of Public Health, University of Sydney, NSW, Australia
| | - H Leonard
- Telethon Kids Institute, Perth, WA, Australia
| | - R Srinivasjois
- Department of Neonatology and Paediatrics, Joondalup Health Campus, Joondalup, WA, Australia.,School of Paediatrics and Child Health, The University of Western Australia, Perth, WA, Australia
| | - A W Shand
- Menzies Centre for Health Policy, School of Public Health, University of Sydney, NSW, Australia.,Department of Maternal Fetal Medicine, Royal Hospital for Women, Randwick, NSW, Australia
| | - T Lavin
- Centre for Health Services Research, School of Population and Global Health, The University of Western Australia, Perth, WA, Australia
| | - G Pereira
- School of Public Health, Curtin University, Perth, WA, Australia
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Sarlo R, Pereira G, Surica M, Almeida D, Araújo C, Figueiredo O, Rocha E, Vargas E. Impact of Introducing Full-time In-house Coordinators on Referral and Organ Donation Rates in Rio de Janeiro Public Hospitals: A Health Care Innovation Practice. Transplant Proc 2017; 48:2396-2398. [PMID: 27742307 DOI: 10.1016/j.transproceed.2015.11.044] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Accepted: 11/11/2015] [Indexed: 11/24/2022]
Abstract
Establishing an organization to promote organ donation and a good organ procurement team assure quality and improve performance on organ donation rates. Brazil's organ procurement structure is based on 2 models disseminated worldwide: the "Spanish model," based on in-house coordinators, and the "American organ procurement organization (OPO) model," with extra-hospital coordinators. In 2006, Brazil's Federal Government had formally introduced the in-house coordination model for every hospital equipped with a mechanical ventilator bed. In January 2012, the Rio de Janeiro State OPO, Programa Estadual de Transplantes, introduced an innovation in the organization of the in-house coordination model in 4 selected public hospitals with high organ donation potential. It consisted in launching full-time in-house coordination teams, with ≥1 physician and 2 nurses per hospital fully dedicated to organ procurement. The objectives were to observe the impact of this innovation in referral and organ donor conversion rates and to analyze the importance of middle managers in health care innovation implementation. Comparing the year before implementation (2011) and the year of 2014 showed that this innovation led to an overall increase in referrals-from 131 to 305 per year (+132%) and conversion rates-from 20% to 42% per year-resulting in an increase in number of donors from 26 to 128 per year (+390%). Despite wide variations among hospitals in the outcomes, our results seem very encouraging and express a positive impact of this model, suggesting that dissemination to other hospitals may increase the number of donors and transplants in our region.
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Affiliation(s)
- R Sarlo
- Programa Estadual de Transplantes, Rio de Janeiro, Brazil; COPPEAD Business School, Universidade Federal do Rio de Janeiro, Brazil.
| | - G Pereira
- Programa Estadual de Transplantes, Rio de Janeiro, Brazil
| | - M Surica
- Programa Estadual de Transplantes, Rio de Janeiro, Brazil
| | - D Almeida
- Programa Estadual de Transplantes, Rio de Janeiro, Brazil
| | - C Araújo
- COPPEAD Business School, Universidade Federal do Rio de Janeiro, Brazil
| | - O Figueiredo
- COPPEAD Business School, Universidade Federal do Rio de Janeiro, Brazil
| | - E Rocha
- Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro, Brazil
| | - E Vargas
- COPPEAD Business School, Universidade Federal do Rio de Janeiro, Brazil
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Nascimento M, Lázaro M, Reis J, Pereira G, Bacelar F, Nobre A. Affective disorders, psychosis and lipid levels: Is there a connection? Linking psychopathology, clinical exams and neurobiology. Eur Psychiatry 2017. [DOI: 10.1016/j.eurpsy.2017.01.1439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
IntroductionPublished research regarding the relationship between lipid levels in affective disorders has been contradictory. Additionally, most studies correlating psychosis to lipid serum concentrations only concern schizophrenic patients.ObjectiveTo access the relationship between serum lipid levels with the diagnosis and pathophysiology of affective disorders.MethodsDiagnostic data (ICD–10: F31–32), including mood and psychotic features, were prospectively collected for all patients admitted at the affective disorder ward at Centro Hospitalar Psiquiátrico de Lisboa (Portugal), during the third trimester of 2016. Serum concentrations of triglycerides and total/HDL/LDL cholesterol were evaluated using standard laboratory tests. Statistical analysis was performed for possible correlations between serum lipid levels and:– different stages of bipolar disorder (BD);– elevated versus depressive mood (unipolar and bipolar);– depressive mood (BD versus non-BD);– psychotic features.ResultsSixty-three patients admitted were enrolled in this study: 47 presented with BD (32 manic, 10 depressives and 5 mixed episodes) and 16 presented depressive disorders. Statistical analysis (R software) revealed that depressed bipolar patients had significantly higher triglyceride (P = 0.026), total and LDL cholesterol (P = 0.525) levels than other states; mixed episodes presented higher HDL levels (P = 0.542). Although not significant, manic patients’ HDL levels were consistently elevated compared to depressive ones, whom presented with lower values overall. Finally, when adjusted for age, psychotic patients showed lower levels of total (P = 0.031) and LDL cholesterol (P = 0.052) compared to non-psychotic patients.ConclusionsThere is a potential link between serum lipid levels and diagnosis/psychopathology of affective disorders. Further research is needed to characterize its pathophysiologic relevance.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Nascimento M, Lázaro M, Reis J, Pereira G, Bacelar F, Nobre A. Insomnia and aggressiveness in affective disorders: Self-assessment versus clinical examination. Eur Psychiatry 2017. [DOI: 10.1016/j.eurpsy.2017.01.1380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
IntroductionAlthough, disturbances of sleep, as well as aggressiveness, have been described in patients with mood disorders, these patients may not be aware of them.Objectives/aimsTo access the personal perception of sleep, disturbances and aggressiveness in patients with mood disorders, admitted to an acute psychiatric ward.MethodsDiagnostic data (ICD-10: F31–33), including mood evaluation, were prospectively collected for all patients admitted at the affective disorder ward at Centro Hospitalar Psiquiátrico de Lisboa (Portugal), during the third trimester of 2016. Then, 2 auto-questionnaires – Athens insomnia scale (AIS) and Buss and Perry aggression scale (both validated to the Portuguese population) – were applied to these patients. Statistical analysis was performed for possible correlations between patients’ mood and the questionnaires’ scores, using R software.ResultsThirty-eight patients admitted were enrolled in this study: 28 with bipolar disorder (19 manic, 4 depressive and 5 mixed episodes), and 10 with depressive disorder. Depressed patients presented statistically higher values in the AIS (average = 20), compared to manic (14) and mixed ones (17.2) (P = 0.031). However, there were no statistical differences found between depressed patients (bipolar versus non-bipolar). Even though manic patients presented an increased average score in the Buss and Perry questionnaire (both total–65; but also sub-scores), these values were not significantly different than depressed (60) or mixed patients’ scores (57.4).ConclusionsEven though some symptoms (like sleep or aggressiveness) seem to be relevant to the clinics, patients with affective disorders do not seem to be aware these disturbances, and therefore are not able to acknowledge their relevance.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Reis J, Pereira G. The Role of Cannabinoids in Schizophrenia: Where Have we Been and Where are we Going? Eur Psychiatry 2017. [DOI: 10.1016/j.eurpsy.2017.02.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
IntroductionSeveral studies have shown that both endocannabinoid system (ECS) and synthetic cannabinoids (SC) might be involved in schizophrenia.ObjectivesTo review recent literature on the role of cannabinoids in schizophrenia. The review includes the evidence of cannabis use as a risk factor for the development of schizophrenia, but also the preliminary evidence for the use of cannabinoid-based compounds in the treatment of psychosis.MethodsThe authors made an online search on PubMed for clinical trials and reviews published in the last 12 months, using the keywords: “cannabinoids”, “endocannabinoids”, “phytocannabinoids” and “schizophrenia”.ResultsThe use of Cannabis sativa is associated with increased risk of developing psychotic disorders, including schizophrenia, and earlier age at onset of psychosis. Δ9-Tetrahydrocannabinol (THC) has multiple actions in the brain development, including impairment of neuroplasticity, dysregulation of dopamine and glutamate signaling, and, possibly, neurotoxicity. The ECS has been implicated in psychosis both related and unrelated to cannabis exposure. Cannabinoid receptors type 1 (CB1 R) and type 2 (CB2 R), as well as the endogenous ligand N-arachidonoylethanolamine (AEA) and 2-arachidonylglycerol (2-AG) levels, are most likely to be involved in the pathophysiology of this disorder. On the other hand, the antipsychotic effects of some cannabinoids have been investigated in recent studies. Cannabidiol (CBD) and Δ9-tetrahydrocannabivarin (THCV) may have therapeutic potential for the treatment of psychosis.ConclusionsEmerging evidence suggests an important role of ECB system and SC on schizophrenia. On the other hand, recent studies have shown some phytocannabinoids might represent therapeutic promises in this disorder.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Silva CAL, Azevedo Filho CA, Pereira G, Silva DCN, Castro MCAB, Almeida AF, Lucena SCA, Santos BS, Barjas-Castro ML, Fontes A. Vitamin E nanoemulsion activity on stored red blood cells. Transfus Med 2017; 27:213-217. [PMID: 28230298 DOI: 10.1111/tme.12394] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 01/30/2017] [Accepted: 01/30/2017] [Indexed: 12/01/2022]
Abstract
BACKGROUND Stored red blood cells (RBCs) undergo numerous changes that have been termed RBC storage lesion, which can be related to oxidative damage. Vitamin E is an important antioxidant, acting on cell lipids. Thus, this study aimed to investigate vitamin E activity on stored RBCs. METHODS We prepared a vitamin E nanoemulsion that was added to RBC units and stored at 4 °C. Controls, without vitamin E, were kept under the same conditions. Reactive oxygen species (ROS) production was monitored for up to 35 days of storage. RBC elasticity was also evaluated using an optical tweezer system. RESULTS Vitamin E-treated samples presented a significant decrease in ROS production. Additionally, the elastic constant for vitamin E-treated RBCs did not differ from the control. CONCLUSION Vitamin E decreased the amount of ROS in stored RBCs. Because vitamin E acts on lipid oxidation, results suggest that protein oxidation should also be considered a key factor for erythrocyte elastic properties. Thus, further studies combining vitamin E with protein antioxidants deserve attention, aiming to better preserve overall stored RBC properties.
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Affiliation(s)
- C A L Silva
- Departamento de Biofísica e Radiobiologia, Universidade Federal de Pernambuco, Recife, Brazil
| | - C A Azevedo Filho
- Centro Universitário Tabosa de Almeida (Asces - Unita), Caruaru, Brazil
| | - G Pereira
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife, Brazil
| | - D C N Silva
- Colegiado de Ciências Biológicas, Campus de Ciências Agrárias, Universidade Federal do Vale do São Francisco, Petrolina, Brazil
| | - M C A B Castro
- Núcleo de Enfermagem, Centro Acadêmico de Vitória, Universidade Federal de Pernambuco, Vitória de Santo Antão, Brazil
| | - A F Almeida
- Centro de Pesquisa Aggeu Magalhães - CPqAM, FIOCRUZ, Brazil
| | | | - B S Santos
- Departamento de Ciências Farmacêuticas, Universidade Federal de Pernambuco, Recife, Brazil
| | - M L Barjas-Castro
- INCTS - Instituto Nacional de Ciência e Tecnologia do Sangue, Hemocentro, Universidade Estadual de Campinas, Campinas, Brazil
| | - A Fontes
- Departamento de Biofísica e Radiobiologia, Universidade Federal de Pernambuco, Recife, Brazil
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Pereira G, Baridó A. OC22 - Light House Project. Nurs Child Young People 2016; 28:70-71. [PMID: 27214436 DOI: 10.7748/ncyp.28.4.70.s53] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Affiliation(s)
- Gonçalo Pereira
- Universidade Católica Portuguesa - Instituto de Ciências da Saúde - Lisboa, Portugal
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Teixeira J, Pereira G, Mota T, Cabral Fernandes J. Hereditary influence in alcohol dependence. Eur Psychiatry 2016. [DOI: 10.1016/j.eurpsy.2016.01.1097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
IntroductionAlcohol dependence is one of the psychiatric disorders for which hereditary influence is strongest. In fact, the importance of genetic factors in transmission of vulnerability to alcohol dependence was first described in literature many years ago by psychiatrists who dedicate to its study. That vulnerability may be explained by an epigenetic model in which biological hereditary factors associate with environmental factors to cause alcohol dependence.ObjectivesStudy the influence of genetic factors on alcohol dependence.MethodsDuring 4 consecutive months a sample of alcoholic patients was collected from the Alcohol Treatment Unit of CHPL (inpatients and outpatients). Biographic data, patient's psychiatric diagnosis and family history of alcohol dependence or of dependence of other drugs were recorded.ResultsInitial sample included 122 patients. After exclusion of patients who were also hospitalized in that period, the final sample included 102 patients (26% female), with a mean age of 48 years old. Main patients’ diagnosis was alcohol dependence but most of them (52%) presented psychiatric comorbidity. Most patients (55%) had family history of alcohol dependence or dependence of other substances, 26% did not have and 19% did not know. For 61% of patients, the father and/or mother were the affected relative. Most patients (61%) who had a family history of alcohol dependence or dependence of other substances had 2 or more affected relatives.ConclusionsMost patients with alcohol dependence have family history of alcohol dependence or dependence of other substances, usually in more than 1 relative, which must be taken in account during treatment.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Richtmann R, Pereira G, Rodrigues T, Filhiolino ACO, Gama KM, Silva CD, Dias L. Hand hygiene multimodal strategy and the decrease on central line-associated bloodstream infection in a Brazilian neonatal intensive care unit. Antimicrob Resist Infect Control 2015. [PMCID: PMC4475116 DOI: 10.1186/2047-2994-4-s1-p155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Carvalho R, Wang W, Pereira G. Control of initial steps of ciliogenesis by protein kinases. Cilia 2015. [PMCID: PMC4519113 DOI: 10.1186/2046-2530-4-s1-o4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
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Carvalho R, Wiedemann P, Pereira G. MARK4 contributes to cilia formation by regulating the degradation of inhibitory OFD1 from the centriolar satellites. Cilia 2015. [PMCID: PMC4519063 DOI: 10.1186/2046-2530-4-s1-p27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Pereira G, Bell ML, Lee HJ, Koutrakis P, Belanger K. Sources of Fine Particulate Matter and Risk of Preterm Birth in Connecticut 2000–06: A Longitudinal Study. Int J Epidemiol 2015. [DOI: 10.1093/ije/dyv097.219] [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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Cunha RC, Francisco JC, Cardoso MA, Matos LF, Lino D, Simeoni RB, Pereira G, Irioda AC, Simeoni PRB, Guarita-Souza LC, Carvalho KAT. Effect of platelet-rich plasma therapy associated with exercise training in musculoskeletal healing in rats. Transplant Proc 2015; 46:1879-81. [PMID: 25131059 DOI: 10.1016/j.transproceed.2014.05.063] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Muscle healing is a time-dependent process associated with an increase in the total amount of local collagen fibers. Platelet-rich plasma therapy (PRPT) associated with exercise may improve this healing process. The aim of this study was to demonstrate the regenerative effect of PRPT in association with exercise training on musculoskeletal healing. METHODS Male Wistar rats were submitted to an injury in the vastus lateralis muscle and randomly divided into 4 groups (n = 5/group): sedentary sham-operated (SSO); sedentary group submitted to PRPT (SPR); swim-trained (SWT); and swim-trained group submitted to PRPT (SWP). Serum lactate level was used to confirm the training protocol effectiveness to increase aerobic fitness. The collagen fiber concentration was measured by the polarization colors in picrosirius red-stained tissue sections. RESULTS Lactate levels decreased in both training groups (SWT and SWP; P < .05) after training (SWT: from 6.2 ± 0.44 to 4.7 ± 0.22 mmol/L; SWP: from 5.5 ± 0.99 to 4.0 ± 0.78 mmol/L). There were less type 1 collagen fibers in SWP group compared with other groups (SSO = 31.8 ± 10.3, SSP = 32.3 ± 13.5, SWT = 14.6 ± 13.4, SWP = 5.7 ± 4.7, P < .05), while there were more type 3 collagen fibers on SWP (SSO = 68.7 ± 9.8, SSP = 71.2 ± 12.2, SWT = 85.4 ± 13.4, SWP = 94.4 ± 4.6, P < .05) in the injured region. CONCLUSION Exercise in association with PRPT enhances the skeletal muscle-healing process.
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Affiliation(s)
- R C Cunha
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba, Paraná, Brazil; Universidade Positivo, Curitiba, Paraná, Brazil; Universidade Tecnológica Federal do Paraná, Curitiba, Paraná.
| | - J C Francisco
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba, Paraná, Brazil; Pontifícia Universidade Católica do Paraná, Curitiba, Paraná, Brazil; Universidade Tecnológica Federal do Paraná, Curitiba, Paraná
| | - M A Cardoso
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba, Paraná, Brazil
| | - L F Matos
- Universidade Positivo, Curitiba, Paraná, Brazil
| | - D Lino
- Pontifícia Universidade Católica do Paraná, Curitiba, Paraná, Brazil
| | - R B Simeoni
- Pontifícia Universidade Católica do Paraná, Curitiba, Paraná, Brazil
| | - G Pereira
- Universidade Positivo, Curitiba, Paraná, Brazil; Universidade Federal do Paraná, Curitiba, Paraná, Brazil
| | - A C Irioda
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba, Paraná, Brazil
| | - P R B Simeoni
- Pontifícia Universidade Católica do Paraná, Curitiba, Paraná, Brazil
| | - L C Guarita-Souza
- Pontifícia Universidade Católica do Paraná, Curitiba, Paraná, Brazil
| | - K A T Carvalho
- Instituto de Pesquisa Pelé Pequeno Príncipe, Curitiba, Paraná, Brazil
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Vilaça H, Pereira G, Castro TG, Hermenegildo BF, Shi J, Faria TQ, Micaêlo N, Brito RMM, Xu B, Castanheira EMS, Martins JA, Ferreira PMT. New self-assembled supramolecular hydrogels based on dehydropeptides. J Mater Chem B 2015; 3:6355-6367. [PMID: 32262754 DOI: 10.1039/c5tb00501a] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Supramolecular hydrogels rely on small molecules that self-assemble in water as a result of the cooperative effect of several relatively weak intermolecular interactions. Peptide-based low molecular weight hydrogelators have attracted enormous interest owing to the simplicity of small molecules combined with the versatility and biocompatibility of peptides. In this work, naproxen, a well known non-steroidal anti-inflammatory drug, was N-conjugated with various dehydrodipeptides to give aromatic peptide amphiphiles that resist proteolysis. Molecular dynamics simulations were used to obtain insight into the underlying molecular mechanism of self-assembly and to rationalize the design of this type of hydrogelators. The results obtained were in excellent agreement with the experimental observations. Only dehydrodipeptides having at least one aromatic amino acid gave hydrogels. The characterization of the hydrogels was carried out using transmission electron microscopy (TEM), circular dichroism (CD), fluorescence spectroscopy and also rheological assays.
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Affiliation(s)
- H Vilaça
- Centre of Chemistry, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
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Kuo J, Su K, Hu L, Pereira G, Herrmann K, Muzic R, Traughber M, Traughber B. WE-AB-204-04: Feature Selection and Clustering Optimization for Pseudo-CT Generation in MR-Based Attenuation Correction and Radiation Therapy Planning. Med Phys 2015. [DOI: 10.1118/1.4925880] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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