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Holland OJ, Toomey M, Ahrens C, Hoffmann AA, Croft LJ, Sherman CDH, Miller AD. Whole genome resequencing reveals signatures of rapid selection in a virus affected commercial fishery. Mol Ecol 2022; 31:3658-3671. [PMID: 35555938 PMCID: PMC9327721 DOI: 10.1111/mec.16499] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 04/11/2022] [Accepted: 05/04/2022] [Indexed: 11/28/2022]
Abstract
Infectious diseases are recognized as one of the greatest global threats to biodiversity and ecosystem functioning. Consequently, there is a growing urgency to understand the speed at which adaptive phenotypes can evolve and spread in natural populations to inform future management. Here we provide evidence of rapid genomic changes in wild Australian blacklip abalone (Haliotis rubra) following a major population crash associated with an infectious disease. Genome scans on H. rubra were performed using pooled whole genome resequencing data from commercial fishing stocks varying in historical exposure to haliotid herpesvirus‐1 (HaHV‐1). Approximately 25,000 single nucleotide polymorphism loci associated with virus exposure were identified, many of which mapped to genes known to contribute to HaHV‐1 immunity in the New Zealand pāua (Haliotis iris) and herpesvirus response pathways in haliotids and other animal systems. These findings indicate genetic changes across a single generation in H. rubra fishing stocks decimated by HaHV‐1, with stock recovery potentially determined by rapid evolutionary changes leading to virus resistance. This is a novel example of apparently rapid adaptation in natural populations of a nonmodel marine organism, highlighting the pace at which selection can potentially act to counter disease in wildlife communities.
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Affiliation(s)
- Owen J Holland
- School of Life and Environmental Sciences, Deakin University, Warrnambool, Victoria, Australia.,Deakin Genomics Centre, Deakin University, Geelong, Victoria, Australia
| | - Madeline Toomey
- School of Life and Environmental Sciences, Deakin University, Warrnambool, Victoria, Australia.,Deakin Genomics Centre, Deakin University, Geelong, Victoria, Australia
| | - Collin Ahrens
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, 2052, Australia.,Research Centre for Ecosystem Resilience, Australian Institute of Botanical Science, Royal Botanic Garden, Sydney, NSW, 2000, Australia
| | - Ary A Hoffmann
- School of BioSciences, Bio21 Institute, The University of Melbourne, Parkville, Victoria, Australia
| | - Laurence J Croft
- School of Life and Environmental Sciences, Deakin University, Warrnambool, Victoria, Australia.,Deakin Genomics Centre, Deakin University, Geelong, Victoria, Australia
| | - Craig D H Sherman
- School of Life and Environmental Sciences, Deakin University, Warrnambool, Victoria, Australia
| | - Adam D Miller
- School of Life and Environmental Sciences, Deakin University, Warrnambool, Victoria, Australia.,Deakin Genomics Centre, Deakin University, Geelong, Victoria, Australia
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Challis A, Blackman C, Ahrens C, Medlyn B, Rymer P, Tissue D. Adaptive plasticity in plant traits increases time to hydraulic failure under drought in a foundation tree. Tree Physiol 2022; 42:708-721. [PMID: 34312674 DOI: 10.1093/treephys/tpab096] [Citation(s) in RCA: 2] [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] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 07/07/2021] [Indexed: 06/13/2023]
Abstract
The viability of forest trees, in response to climate change-associated drought, will depend on their capacity to survive through genetic adaptation and phenotypic plasticity in drought tolerance traits. Genotypes with enhanced plasticity for drought tolerance (adaptive plasticity) will have a greater ability to persist and delay the onset of hydraulic failure. By examining populations from different climate-origins grown under contrasting soil water availability, we tested for genotype (G), environment (E) and genotype-by-environment (G × E) effects on traits that determine the time it takes for saplings to desiccate from stomatal closure to 88% loss of stem hydraulic conductance (time to hydraulic failure, THF). Specifically, we hypothesized that: (i) THF is dependent on a G × E interaction, with longer THF for warm, dry climate populations in response to chronic water deficit treatment compared with cool, wet populations, and (ii) hydraulic and allometric traits explain the observed patterns in THF. Corymbia calophylla saplings from two populations originating from contrasting climates (warm-dry or cool-wet) were grown under well-watered and chronic soil water deficit treatments in large containers. Hydraulic and allometric traits were measured and then saplings were dried-down to critical levels of drought stress to estimate THF. Significant plasticity was detected in the warm-dry population in response to water-deficit, with enhanced drought tolerance compared with the cool-wet population. Projected leaf area and total plant water storage showed treatment variation, and minimum conductance showed significant population differences driving longer THF in trees from warm-dry origins grown in water-limited conditions. Our findings contribute information on intraspecific variation in key drought traits, including hydraulic and allometric determinants of THF. It highlights the need to quantify adaptive capacity in populations of forest trees in climate change-type drought to improve predictions of forest die-back.
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Affiliation(s)
- Anthea Challis
- Hawkesbury Institute for the Environment, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia
| | - Chris Blackman
- Hawkesbury Institute for the Environment, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia
- School of Biological Sciences, University of Tasmania, Hobart, TAS 7001, Australia
| | - Collin Ahrens
- Hawkesbury Institute for the Environment, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia
| | - Belinda Medlyn
- Hawkesbury Institute for the Environment, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia
| | - Paul Rymer
- Hawkesbury Institute for the Environment, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia
| | - David Tissue
- Hawkesbury Institute for the Environment, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia
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Zeymer U, Ludman P, Danchin N, Kala P, Maggioni AP, Weidinger F, Gale CP, Beleslin B, Budaj A, Chioncel O, Dagres N, Danchin N, Emberson J, Erlinge D, Glikson M, Gray A, Kayikcioglu M, Maggioni AP, Nagy VK, Nedoshivin A, Petronio AS, Roos-Hesselink J, Wallentin L, Zeymer U, Weidinger F, Zeymer U, Danchin N, Ludman P, Sinnaeve P, Kala P, Ferrari R, Maggioni AP, Goda A, Zelveian P, Weidinger F, Karamfilov K, Motovska Z, Zeymer U, Raungaard B, Marandi T, Shaheen SM, Lidon RM, Karjalainen PP, Kereselidze Z, Alexopoulos D, Becker D, Quinn M, Iakobishvili Z, Al-Farhan H, Sadeghi M, Caporale R, Romeo F, Mirrakhimov E, Serpytis P, Erglis A, Kedev S, Balbi MM, Moore AM, Dudek D, Legutko J, Mimoso J, Tatu-Chitoiu G, Stojkovic S, Shlyakhto E, AlHabib KF, Bunc M, Studencan M, Mourali MS, Bajraktari G, Konte M, Larras F, Lefrancq EF, Mekhaldi S, Laroche C, Maggioni AP, Goda A, Shuka N, Pavli E, Tafaj E, Gishto T, Dibra A, Duka A, Gjana A, Kristo A, Knuti G, Demiraj A, Dado E, Hasimi E, Simoni L, Siqeca M, Sisakian H, Hayrapetyan H, Markosyan S, Galustyan L, Arustamyan N, Kzhdryan H, Pepoyan S, Zirkik A, Von Lewinski D, Paetzold S, Kienzl I, Matyas K, Neunteufl T, Nikfardjam M, Neuhold U, Mihalcz A, Glaser F, Steinwender C, Reiter C, Grund M, Hrncic D, Hoppe U, Hammerer M, Hinterbuchner L, Hengstenberg C, Delle Karth G, Lang I, Weidinger F, Winkler W, Hasun M, Kastner J, Havel C, Derntl M, Oberegger G, Hajos J, Adlbrecht C, Publig T, Leitgeb MC, Wilfing R, Jirak P, Ho CY, Puskas L, Schrutka L, Spinar J, Parenica J, Hlinomaz O, Fendrychova V, Semenka J, Sikora J, Sitar J, Groch L, Rezek M, Novak M, Kramarikova P, Stasek J, Dusek J, Zdrahal P, Polasek R, Karasek J, Seiner J, Sukova N, Varvarovsky I, Lazarák T, Novotny V, Matejka J, Rokyta R, Volovar S, Belohlavek J, Motovska Z, Siranec M, Kamenik M, Kralik R, Raungaard B, Ravkilde J, Jensen SE, Villadsen A, Villefrance K, Schmidt Skov C, Maeng M, Moeller K, Hasan-Ali H, Ahmed TA, Hassan M, ElGuindy A, Farouk Ismail M, Ibrahim Abd El-Aal A, El-sayed Gaafar A, Magdy Hassan H, Ahmed Shafie M, Nabil El-khouly M, Bendary A, Darwish M, Ahmed Y, Amin O, AbdElHakim A, Abosaif K, Kandil H, Galal MAG, El Hefny EE, El Sayed M, Aly K, Mokarrab M, Osman M, Abdelhamid M, Mantawy S, Ali MR, Kaky SD, Khalil VA, Saraya MEA, Talaat A, Nabil M, Mounir WM, Mahmoud K, Aransa A, Kazamel G, Anwar S, Al-Habbaa A, Abd el Monem M, Ismael A, Amin Abu-Sheaishaa M, Abd Rabou MM, Hammouda TMA, Moaaz M, Elkhashab K, Ragab T, Rashwan A, Rmdan A, AbdelRazek G, Ebeid H, Soliman Ghareeb H, Farag N, Zaki M, Seleem M, Torki A, Youssef M, AlLah Nasser NA, Rafaat A, Selim H, Makram MM, Khayyal M, Malasi K, Madkour A, Kolib M, Alkady H, Nagah H, Yossef M, Wafa A, Mahfouz E, Faheem G, Magdy Moris M, Ragab A, Ghazal M, Mabrouk A, Hassan M, El-Masry M, Naseem M, Samir S, Marandi T, Reinmets J, Allvee M, Saar A, Ainla T, Vaide A, Kisseljova M, Pakosta U, Eha J, Lotamois K, Sia J, Myllymaki J, Pinola T, Karjalainen PP, Paana T, Mikkelsson J, Ampio M, Tsivilasvili J, Zurab P, Kereselidze Z, Agladze R, Melia A, Gogoberidze D, Khubua N, Totladze L, Metreveli I, Chikovani A, Eitel I, Pöss J, Werner M, Constantz A, Ahrens C, Zeymer U, Tolksdorf H, Klinger S, Sack S, Heer T, Lekakis J, Kanakakis I, Xenogiannis I, Ermidou K, Makris N, Ntalianis A, Katsaros F, Revi E, Kafkala K, Mihelakis E, Diakakis G, Grammatikopoulos K, Voutsinos D, Alexopoulos D, Xanthopoulou I, Mplani V, Foussas S, Papakonstantinou N, Patsourakos N, Dimopoulos A, Derventzis A, Athanasiou K, Vassilikos VP, Papadopoulos C, Tzikas S, Vogiatzis I, Datsios A, Galitsianos I, Koutsampasopoulos K, Grigoriadis S, Douras A, Baka N, Spathis S, Kyrlidis T, Hatzinikolaou H, Kiss RG, Becker D, Nowotta F, Tóth K, Szabó S, Lakatos C, Jambrik Z, Ruzsa J, Ruzsa Z, Róna S, Toth J, Vargane Kosik A, Toth KSB, Nagy GG, Ondrejkó Z, Körömi Z, Botos B, Pourmoghadas M, Salehi A, Massoumi G, Sadeghi M, Soleimani A, Sarrafzadegan N, Roohafza H, Azarm M, Mirmohammadsadeghi A, Rajabi D, Rahmani Y, Siabani S, Najafi F, Hamzeh B, Karim H, Siabani H, Saleh N, Charehjoo H, Zamzam L, Al-Temimi G, Al-Farhan H, Al-Yassin A, Mohammad A, Ridha A, Al-Saedi G, Atabi N, Sabbar O, Mahmood S, Dakhil Z, Yaseen IF, Almyahi M, Alkenzawi H, Alkinani T, Alyacopy A, Kearney P, Twomey K, Iakobishvili Z, Shlomo N, Beigel R, Caldarola P, Rutigliano D, Sublimi Saponetti L, Locuratolo N, Palumbo V, Scherillo M, Formigli D, Canova P, Musumeci G, Roncali F, Metra M, Lombardi C, Visco E, Rossi L, Meloni L, Montisci R, Pippia V, Marchetti MF, Congia M, Cacace C, Luca G, Boscarelli G, Indolfi C, Ambrosio G, Mongiardo A, Spaccarotella C, De Rosa S, Canino G, Critelli C, Caporale R, Chiappetta D, Battista F, Gabrielli D, Marziali A, Bernabò P, Navazio A, Guerri E, Manca F, Gobbi M, Oreto G, Andò G, Carerj S, Saporito F, Cimmino M, Rigo F, Zuin G, Tuccillo B, Scotto di Uccio F, Irace L, Lorenzoni G, Meloni I, Merella P, Polizzi GM, Pino R, Marzilli M, Morrone D, Caravelli P, Orsini E, Mosa S, Piovaccari G, Santarelli A, Cavazza C, Romeo F, Fedele F, Mancone M, Straito M, Salvi N, Scarparo P, Severino P, Razzini C, Massaro G, Cinque A, Gaudio C, Barillà F, Torromeo C, Porco L, Mei M, Iorio R, Nassiacos D, Barco B, Sinagra G, Falco L, Priolo L, Perkan A, Strana M, Bajraktari G, Percuku L, Berisha G, Mziu B, Beishenkulov M, Abdurashidova T, Toktosunova A, Kaliev K, Serpytis P, Serpytis R, Butkute E, Lizaitis M, Broslavskyte M, Xuereb RG, Moore AM, Mercieca Balbi M, Paris E, Buttigieg L, Musial W, Dobrzycki S, Dubicki A, Kazimierczyk E, Tycinska A, Wojakowski W, Kalanska-Lukasik B, Ochala A, Wanha W, Dworowy S, Sielski J, Janion M, Janion-Sadowska A, Dudek D, Wojtasik-Bakalarz J, Bryniarski L, Peruga JZ, Jonczyk M, Jankowski L, Klecha A, Legutko J, Michalowska J, Brzezinski M, Kozmik T, Kowalczyk T, Adamczuk J, Maliszewski M, Kuziemka P, Plaza P, Jaros A, Pawelec A, Sledz J, Bartus S, Zmuda W, Bogusz M, Wisnicki M, Szastak G, Adamczyk M, Suska M, Czunko P, Opolski G, Kochman J, Tomaniak M, Miernik S, Paczwa K, Witkowski A, Opolski MP, Staruch AD, Kalarus Z, Honisz G, Mencel G, Swierad M, Podolecki T, Marques J, Azevedo P, Pereira MA, Gaspar A, Monteiro S, Goncalves F, Leite L, Mimoso J, Manuel Lopes dos Santos W, Amado J, Pereira D, Silva B, Caires G, Neto M, Rodrigues R, Correia A, Freitas D, Lourenco A, Ferreira F, Sousa F, Portugues J, Calvo L, Almeida F, Alves M, Silva A, Caria R, Seixo F, Militaru C, Ionica E, Tatu-Chitoiu G, Istratoaie O, Florescu M, Lipnitckaia E, Osipova O, Konstantinov S, Bukatov V, Vinokur T, Egorova E, Nefedova E, Levashov S, Gorbunova A, Redkina M, Karaulovskaya N, Bijieva F, Babich N, Smirnova O, Filyanin R, Eseva S, Kutluev A, Chlopenova A, Shtanko A, Kuppar E, Shaekhmurzina E, Ibragimova M, Mullahmetova M, Chepisova M, Kuzminykh M, Betkaraeva M, Namitokov A, Khasanov N, Baleeva L, Galeeva Z, Magamedkerimova F, Ivantsov E, Tavlueva E, Kochergina A, Sedykh D, Kosmachova E, Skibitskiy V, Porodenko N, Namitokov A, Litovka K, Ulbasheva E, Niculina S, Petrova M, Harkov E, Tsybulskaya N, Lobanova A, Chernova A, Kuskaeva A, Kuskaev A, Ruda M, Zateyshchikov D, Gilarov M, Konstantinova E, Koroleva O, Averkova A, Zhukova N, Kalimullin D, Borovkova N, Tokareva A, Buyanova M, Khaisheva L, Pirozhenko A, Novikova T, Yakovlev A, Tyurina T, Lapshin K, Moroshkina N, Kiseleva M, Fedorova S, Krylova L, Duplyakov D, Semenova Y, Rusina A, Ryabov V, Syrkina A, Demianov S, Reitblat O, Artemchuk A, Efremova E, Makeeva E, Menzorov M, Shutov A, Klimova N, Shevchenko I, Elistratova O, Kostyuckova O, Islamov R, Budyak V, Ponomareva E, Ullah Jan U, Alshehri AM, Sedky E, Alsihati Z, Mimish L, Selem A, Malik A, Majeed O, Altnji I, AlShehri M, Aref A, AlHabib K, AlDosary M, Tayel S, Abd AlRahman M, Asfina KN, Abdin Hussein G, Butt M, Markovic Nikolic N, Obradovic S, Djenic N, Brajovic M, Davidovic A, Romanovic R, Novakovic V, Dekleva M, Spasic M, Dzudovic B, Jovic Z, Cvijanovic D, Veljkovic S, Ivanov I, Cankovic M, Jarakovic M, Kovacevic M, Trajkovic M, Mitov V, Jovic A, Hudec M, Gombasky M, Sumbal J, Bohm A, Baranova E, Kovar F, Samos M, Podoba J, Kurray P, Obona T, Remenarikova A, Kollarik B, Verebova D, Kardosova G, Studencan M, Alusik D, Macakova J, Kozlej M, Bayes-Genis A, Sionis A, Garcia Garcia C, Lidon RM, Duran Cambra A, Labata Salvador C, Rueda Sobella F, Sans Rosello J, Vila Perales M, Oliveras Vila T, Ferrer Massot M, Bañeras J, Lekuona I, Zugazabeitia G, Fernandez-Ortiz A, Viana Tejedor A, Ferrera C, Alvarez V, Diaz-Castro O, Agra-Bermejo RM, Gonzalez-Cambeiro C, Gonzalez-Babarro E, Domingo-Del Valle J, Royuela N, Burgos V, Canteli A, Castrillo C, Cobo M, Ruiz M, Abu-Assi E, Garcia Acuna JM. The ESC ACCA EAPCI EORP acute coronary syndrome ST-elevation myocardial infarction registry. European Heart Journal - Quality of Care and Clinical Outcomes 2019; 6:100-104. [DOI: 10.1093/ehjqcco/qcz042] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 07/24/2019] [Indexed: 12/20/2022]
Abstract
Abstract
Aims
The Acute Cardiac Care Association (ACCA)–European Association of Percutaneous Coronary Intervention (EAPCI) Registry on ST-elevation myocardial infarction (STEMI) of the EurObservational programme (EORP) of the European Society of Cardiology (ESC) registry aimed to determine the current state of the use of reperfusion therapy in ESC member and ESC affiliated countries and the adherence to ESC STEMI guidelines in patients with STEMI.
Methods and results
Between 1 January 2015 and 31 March 2018, a total of 11 462 patients admitted with an initial diagnosis of STEMI according to the 2012 ESC STEMI guidelines were enrolled. Individual patient data were collected across 196 centres and 29 countries. Among the centres, there were 136 percutaneous coronary intervention centres and 91 with cardiac surgery on-site. The majority of centres (129/196) were part of a STEMI network. The main objective of this study was to describe the demographic, clinical, and angiographic characteristics of patients with STEMI. Other objectives include to assess management patterns and in particular the current use of reperfusion therapies and to evaluate how recommendations of most recent STEMI European guidelines regarding reperfusion therapies and adjunctive pharmacological and non-pharmacological treatments are adopted in clinical practice and how their application can impact on patients’ outcomes. Patients will be followed for 1 year after admission.
Conclusion
The ESC ACCA-EAPCI EORP ACS STEMI registry is an international registry of care and outcomes of patients hospitalized with STEMI. It will provide insights into the contemporary patient profile, management patterns, and 1-year outcome of patients with STEMI.
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Affiliation(s)
- Uwe Zeymer
- Hospital of the City of Ludwigshafen, Medical Clinic B and Institute of Heart Attack Research, Ludwigshafen on the Rhine, Germany
| | - Peter Ludman
- Institute of Cardiovascular Sciences, Birmingham University, Birmingham, UK
| | - Nicolas Danchin
- Cardiology Department, Georges Pompidou European Hospital, Paris, France
| | - Petr Kala
- Internal Cardiology Department, University Hospital Brno, Czech Republic
| | - Aldo P Maggioni
- EURObservational Research Programme, ESC, Sophia Antipolis, France
- ANMCO Research Center, Florence, Italy
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Miller AD, Hoffmann AA, Tan MH, Young M, Ahrens C, Cocomazzo M, Rattray A, Ierodiaconou DA, Treml E, Sherman CDH. Local and regional scale habitat heterogeneity contribute to genetic adaptation in a commercially important marine mollusc (
Haliotis rubra
) from southeastern Australia. Mol Ecol 2019; 28:3053-3072. [DOI: 10.1111/mec.15128] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 04/17/2019] [Accepted: 05/01/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Adam D. Miller
- School of Life and Environmental Sciences Centre for Integrative Ecology, Deakin University Geelong Victoria Australia
- Deakin Genomics Centre Deakin University Geelong Victoria Australia
| | - Ary A. Hoffmann
- School of BioSciences Bio21 Institute, The University of Melbourne Parkville Victoria Australia
| | - Mun Hua Tan
- School of Life and Environmental Sciences Centre for Integrative Ecology, Deakin University Geelong Victoria Australia
- Deakin Genomics Centre Deakin University Geelong Victoria Australia
| | - Mary Young
- School of Life and Environmental Sciences Centre for Integrative Ecology, Deakin University Geelong Victoria Australia
| | - Collin Ahrens
- Hawkesbury Institute for the Environment, Western Sydney University Penrith New South Wales Australia
| | - Michael Cocomazzo
- School of Life and Environmental Sciences Centre for Integrative Ecology, Deakin University Geelong Victoria Australia
| | - Alex Rattray
- School of Life and Environmental Sciences Centre for Integrative Ecology, Deakin University Geelong Victoria Australia
| | - Daniel A. Ierodiaconou
- School of Life and Environmental Sciences Centre for Integrative Ecology, Deakin University Geelong Victoria Australia
| | - Eric Treml
- School of Life and Environmental Sciences Centre for Integrative Ecology, Deakin University Geelong Victoria Australia
| | - Craig D. H. Sherman
- School of Life and Environmental Sciences Centre for Integrative Ecology, Deakin University Geelong Victoria Australia
- Deakin Genomics Centre Deakin University Geelong Victoria Australia
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5
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Newey CR, Le NM, Ahrens C, Sahota P, Hantus S. The Safety and Effectiveness of Intravenous Lacosamide for Refractory Status Epilepticus in the Critically Ill. Neurocrit Care 2017; 26:273-279. [PMID: 27844464 DOI: 10.1007/s12028-016-0322-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Status epilepticus (SE) often does not respond to initial treatment. A second-line agent with a less established safety and efficacy profile is then required. This study examined the safety of intravenous (IV) lacosamide (LCM) in a critically ill population and obtained an estimate of effectiveness in patients with refractory SE on continuous video EEG monitoring (cEEG). METHODS Retrospective review of critically ill patients in SE on cEEG treated with IV LCM from June 2009 to April 2011. RESULTS Eighty-four patients in SE (43 F/41 M), mean age 59.6 years, were identified; and 59.5 % had nonconvulsive SE. The most common etiologies were ischemic and hemorrhagic strokes. There were no significant changes in serial blood pressure monitoring, PR prolongation, aspartate aminotransferase (AST), or creatinine pre- and post-LCM. There was a significant increase in alanine aminotransferase (ALT) from days 1-7 (p = 0.031). Fifty-one patients were LCM-naïve. In these patients, cessation of SE on cEEG after LCM occurred in 15.7, 25.5, 58.8, and 82.4 % by 4, 12, 24, and 48 h, respectively. CONCLUSION IV LCM appears safe short term in critically ill patients with SE. The retrospective estimate of effectiveness for LCM appears promising for management in SE. Prospective, randomized controlled studies are needed to better determine the role of LCM in treating SE.
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Affiliation(s)
- C R Newey
- Department of Neurology, University of Missouri, 5 Hospital Drive, CE 540, Columbia, MO, 65211, USA.
| | - N M Le
- Pediatric Neurology, Orlando Health System, 7485 Sand Lake Commons Blvd, Orlando, FL, 32819, USA
| | - C Ahrens
- Department of Pharmacy, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH, 44195-5245, USA
| | - P Sahota
- Department of Neurology, University of Missouri, 5 Hospital Drive, CE 540, Columbia, MO, 65211, USA
| | - S Hantus
- Cerebrovascular Center, Neurologic Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH, 44195-5245, USA.,Epilepsy Center, Neurologic Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH, 44195-5245, USA
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6
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Aspinwall MJ, Vårhammar A, Blackman CJ, Tjoelker MG, Ahrens C, Byrne M, Tissue DT, Rymer PD. Adaptation and acclimation both influence photosynthetic and respiratory temperature responses in Corymbia calophylla. Tree Physiol 2017; 37:1095-1112. [PMID: 28460131 DOI: 10.1093/treephys/tpx047] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2016] [Accepted: 04/17/2017] [Indexed: 06/07/2023]
Abstract
Short-term acclimation and long-term adaptation represent two ways in which forest trees can respond to changes in temperature. Yet, the relative contribution of thermal acclimation and adaptation to tree physiological responses to temperature remains poorly understood. Here, we grew two cool-origin and two warm-origin populations of a widespread broad-leaved evergreen tree species (Corymbia calophylla (Lindl.) K.D.Hill & L.A.S.Johnson) from a Mediterranean climate in southwestern Australia under two growth temperatures representative of the cool- and warm-edge of the species distribution. The populations selected from each thermal environment represented both high and low precipitation sites. We measured the short-term temperature response of leaf photosynthesis (A) and dark respiration (R), and attributed observed variation to acclimation, adaptation or the combination of both. We observed limited variation in the temperature optimum (Topt) of A between temperature treatments or among populations, suggesting little plasticity or genetic differentiation in the Topt of A. Yet, other aspects of the temperature response of A and R were dependent upon population and growth temperature. Under cooler growth temperatures, the population from the coolest, wettest environment had the lowest A (at 25 °C) among all four populations, but exhibited the highest A (at 25 °C) under warmer growth temperatures. Populations varied in R (at 20 °C) and the temperature sensitivity of R (i.e., Q10 or activation energy) under cool, but not warm growth temperatures. However, populations showed similar yet lower R (at 20 °C) and no differences in the temperature sensitivity of R under warmer growth temperatures. We conclude that C. calophylla populations from contrasting climates vary in physiological acclimation to temperature, which might influence how this ecologically important tree species and the forests of southwestern Australia respond to climate change.
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Affiliation(s)
- Michael J Aspinwall
- Hawkesbury Institute for the Environment, Western Sydney University, Hawkesbury Campus, Locked Bag 1797, Penrith, NSW 2751, Australia
| | - Angelica Vårhammar
- Hawkesbury Institute for the Environment, Western Sydney University, Hawkesbury Campus, Locked Bag 1797, Penrith, NSW 2751, Australia
| | - Chris J Blackman
- Hawkesbury Institute for the Environment, Western Sydney University, Hawkesbury Campus, Locked Bag 1797, Penrith, NSW 2751, Australia
| | - Mark G Tjoelker
- Hawkesbury Institute for the Environment, Western Sydney University, Hawkesbury Campus, Locked Bag 1797, Penrith, NSW 2751, Australia
| | - Collin Ahrens
- Hawkesbury Institute for the Environment, Western Sydney University, Hawkesbury Campus, Locked Bag 1797, Penrith, NSW 2751, Australia
| | - Margaret Byrne
- Science Division, Department of Parks and Wildlife, Locked Bag 104, Bentley Delivery Centre, Western Australia 6983, Australia
| | - David T Tissue
- Hawkesbury Institute for the Environment, Western Sydney University, Hawkesbury Campus, Locked Bag 1797, Penrith, NSW 2751, Australia
| | - Paul D Rymer
- Hawkesbury Institute for the Environment, Western Sydney University, Hawkesbury Campus, Locked Bag 1797, Penrith, NSW 2751, Australia
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7
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Spies CK, Schäfer M, Ahrens C, Hahn P, Unglaub F. [Compression of the median nerve by chronic palmar dislocation of the lunate due to carpal collapse]. Unfallchirurg 2017; 120:712-714. [PMID: 28361358 DOI: 10.1007/s00113-017-0345-y] [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] [Indexed: 11/30/2022]
Abstract
Carpal tunnel syndrome is among the most frequently diagnosed forms of peripheral nerve compression. Carpal tunnel syndrome due to carpal collapse that had progressed over decades, with a palmarly dislocated lunate, is rare. Hints of past trauma to the wrist going back decades should prompt further radiological examination in case of recurrent median nerve compression. With sufficient preoperative evaluation, the causes can be accurately detected and treated. Therefore, precise and complete history-taking is mandatory. Conclusions on further diagnostics that can be drawn from the latter must be consistently implemented to enable adequate therapy.
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Affiliation(s)
- C K Spies
- Handchirurgie, Vulpius Klinik, 74906, Bad Rappenau, Deutschland.
| | - M Schäfer
- Handchirurgie, Vulpius Klinik, 74906, Bad Rappenau, Deutschland
| | - C Ahrens
- Handchirurgie, Vulpius Klinik, 74906, Bad Rappenau, Deutschland
| | - P Hahn
- Handchirurgie, Vulpius Klinik, 74906, Bad Rappenau, Deutschland
| | - F Unglaub
- Handchirurgie, Vulpius Klinik, 74906, Bad Rappenau, Deutschland.,Medizinische Fakultät Mannheim, Universität Heidelberg, Heidelberg, Deutschland
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8
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Ahrens C, Unglaub F, Hohendorff B, Müller L, Spies C. Die perioperative Handhabung von Antikoagulantien in der elektiven Handchirurgie – eine Literaturübersicht. HANDCHIR MIKROCHIR P 2016; 48:127-35. [DOI: 10.1055/s-0042-104504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- C. Ahrens
- Vulpius Klinik, Abteilung für Handchirurgie, Bad Rappenau
| | - F. Unglaub
- Vulpius Klinik, Abteilung für Handchirurgie, Bad Rappenau
| | - B. Hohendorff
- Abteilung für Hand-, Ästhetische und Plastische Chirurgie, Elbe Klinikum Stade, Stade
| | - L. Müller
- Klinik und Poliklinik für Orthopädie und Unfallchirurgie, Universitätsklinik Köln, Köln
| | - C. Spies
- Vulpius Klinik, Abteilung für Handchirurgie, Bad Rappenau
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9
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Russell M, Troxel T, Ahrens C, Ward H, Looper M, Kutz B, Chumbley B. 017 Comparing post test scores for an animal handling and control workshop conducted two consecutive years. J Anim Sci 2016. [DOI: 10.2527/ssasas2015-017] [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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10
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Unglaub F, Langer MF, Hahn P, Müller LP, Ahrens C, Spies CK. [Fractures of the proximal interphalangeal joint: Diagnostic and operative therapy options]. Unfallchirurg 2016; 119:133-43; quiz 144-5. [PMID: 26826026 DOI: 10.1007/s00113-016-0142-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Joint fractures of the fingers often entail operative interventions in contrast to extra-articular fractures. These types of fracture are inclined to dislocate in addition to the actual fracture. The proximal interphalangeal (PIP) joint in particular often shows comminuted fractures due to the long leverage of the finger and a relatively small diameter of the joint. The clinical examination, X-ray diagnostics and if necessary computed tomography allow the classification into stable and unstable fractures. Unstable fractures must be treated by surgical reduction and fixation. A multitude of operative techniques are available for these mostly complicated fractures. The foremost goal is a stable osteosynthesis of the fracture with repositioning of the dislocation, which enables early physiotherapy in order to prevent tendon adhesion and contracture. This article presents the different types of PIP joint fractures, their specific surgical treatment and postoperative treatment regimens.
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Affiliation(s)
- F Unglaub
- Handchirurgie, Vulpiusklinik, Vulpiusstr. 29, 74906, Bad Rappenau, Deutschland. .,Medizinische Fakultät Mannheim, Universität Heidelberg, Heidelberg, Deutschland.
| | - M F Langer
- Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Münster, Münster, Deutschland
| | - P Hahn
- Handchirurgie, Vulpiusklinik, Vulpiusstr. 29, 74906, Bad Rappenau, Deutschland
| | - L P Müller
- Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Köln, Köln, Deutschland
| | - C Ahrens
- Handchirurgie, Vulpiusklinik, Vulpiusstr. 29, 74906, Bad Rappenau, Deutschland
| | - C K Spies
- Handchirurgie, Vulpiusklinik, Vulpiusstr. 29, 74906, Bad Rappenau, Deutschland
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11
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Ahrens C, Unglaub F, Hahn P, Leclère FM, Spies CK. [Symptomatic carpal coalition of scaphoid, trapezium and trapezoid with coexisting ipsilateral hypoplasia of the thumb]. HANDCHIR MIKROCHIR P 2015; 47:70-2. [PMID: 25706179 DOI: 10.1055/s-0034-1398609] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Abstract
We present the case of a 54-year-old woman with symptomatic coalition of scaphoid, trapezium and trapezoid as well as a coexisting ipsilateral hypoplasia of the thumb.
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Affiliation(s)
- C Ahrens
- Abteilung für Handchirurgie, Vulpiusklinik, Bad Rappenau
| | - F Unglaub
- Abteilung für Handchirurgie, Vulpiusklinik, Bad Rappenau
| | - P Hahn
- Abteilung für Handchirurgie, Vulpiusklinik, Bad Rappenau
| | - F M Leclère
- Abteilung für Plastische Chirurgie und Handchirurgie, Universitätsklinikum Bordeaux, Frankreich
| | - C K Spies
- Abteilung für Handchirurgie, Vulpiusklinik, Bad Rappenau
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12
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Abstract
Cytokines are coordinators of immune homeostasis. Evidence for the participation of cytokines in neurogenic inflammation, peripheral and central sensitization and hyperalgesia as well as for induction of inflammatory immune responses by pain-related catastrophizing is well documented. A disproportion of proinflammatory and anti-inflammatory cytokines is known to be a contributory cause of pain and pain behavior. Embedded into psychoneuroendocrine immunological feedback control systems cytokines are able to perpetuate a virtuous circle between local inflammation and systemic pain behavior (pain/sickness behavior) thus contributing to chronification of nonspecific musculoskeletal pain.In this model avoidance and pain-related nonrecognition as key components of systemic pain behavior lead to maintenance of the virtuous circle by generating of a local inflammation with local and systemic consequences. This model can explain the success of established therapy concepts from the point of view of psychoneuroimmunology, such as fear avoidance, which are effectively used as principal components in multimodal pain therapy.
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Affiliation(s)
- C Ahrens
- Klinik für Orthopädie und Unfallchirurgie, Vulpius Klinik GmbH, Bad Rappenau, Deutschland
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13
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George P, Ahrens C, Gomes J. A Case of Cerebral Venous Thrombosis in the Setting of Romiplostim Use (P02.226). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p02.226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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14
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Fuehrer A, Tariku W, Dawit M, Ahrens C, Adamu A, Stang A, Thomssen C, Kantelhardt EJ. Das Ausmaß onkologischer Todesfälle bei Frauen im ländlichen Äthiopien – Ergebnisse von 2500 Interviews mit Angaben zu Frauen und ihren Schwestern; Auswertung von >200 Todesfällen. Geburtshilfe Frauenheilkd 2011. [DOI: 10.1055/s-0031-1286467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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15
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Abstract
The purpose is to clarify if comorbidity of depression reduces health-related quality of life (SF-36) in patients with chronic low back pain (CR) and if those comorbid patients (CR+DE) benefit from multimodal pain treatment. Two groups (CR and CR+DE) each with 29 patients are compared over 6 months on study days 0, 21 (inpatient) and 180 (outpatient). Differences exist only at days 0 and 21, not at day 180, with group CR exhibiting higher SF-36 values in each case. Group CR+DE improves in the inpatient phase and especially in the outpatient phase and therefore over the entire study period more than group CR which increases solely in the inpatient phase. The comorbid group is more severely affected by their illness, but improves very constantly. The outpatient improvement suggests a good long-term prognosis.
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Affiliation(s)
- C Ahrens
- Stiftung Orthopädische Universitätsklinik Heidelberg, Schlierbacher Landstr. 200a, 69118, Heidelberg, Deutschland
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16
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Arning A, Ahrens C, Selzer G, Lasch P. Meningokokkensepsis – Einschätzung und Therapiesteuerung in der Aufnahmesituation. Z Geburtshilfe Neonatol 2008. [DOI: 10.1055/s-2008-1078936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Selzer G, Ahrens C, Magsaam A, Runde J, Schwalm H, Lasch P. Tachykarde Rhythmusstörungen im pädiatrisch neonatologischen Intensivbereich – Vier „ungewöhnliche“ Fälle. Z Geburtshilfe Neonatol 2008. [DOI: 10.1055/s-2008-1079058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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18
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Runde J, Ahrens C, Lasch P, Selzer G, Barsch F. ECMO-Therapie bei PPHN – Gibt es klinischen Parameter/Verläufe die vor ECMO-Anschluss auf eine kongenitale letale Lungenerkrankung hinweisen? Z Geburtshilfe Neonatol 2008. [DOI: 10.1055/s-2008-1078916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Abstract
Verrucous carcinomas represent rare, highly differentiated variants of squamous cell carcinoma. They preferentially develop on the oropharyngeal mucosa (Ackerman tumor), the urogenital mucosa (Buschke-Loewenstein tumors), and the soles of the feet (epitheliomata cuniculata). Various synonyma have been coined for these tumors. We report the uncommon occurrence of a large verrucous carcinoma on apparently uninvolved chest skin of a 79-year old patient. The tumor was excised radically. Complete extirpation was confirmed histologically and there was no sign of recurrence during a 3 month observation period. The clinical appearance, histomorphological features, epidemiological aspects, differential diagnosis, therapy, and nomenclature of verrucous carcinomas are discussed.
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Affiliation(s)
- M P Schön
- Universitäts-Hautklinik, Heinrich-Heine-Universität Düsseldorf
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20
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Abstract
Tumour progression is characterised by an imbalance between cell proliferation and apoptosis. The aim of our study was to estimate the importance of proliferation and apoptosis associated parameters in primary squamous cell carcinomas (SCCs) of the oral cavity and oropharynx. For determination of apoptosis, the enzymatic labelling of DNA fragmentation with a terminal transferase reaction was used in 156 tissue samples of 107 patients, including corresponding lymph-node metastases in nine cases. P53, bcl-2, and Ki-67 were determined immunohistologically. P53 was detectable in 50.5% of the cases. Positive staining was associated significantly with decreased apoptosis (P<0.003). Bcl-2 was upregulated in 31.8% of the cases depending on the tumour grading (P<0.001) and correlated negatively with apoptosis (P<0.001). Proliferation (P<0.006) and apoptosis (P<0.03) were enhanced in larger tumours, though a direct correlation between these two parameters was not proven. Nevertheless, in contrast to the conventional tumour staging and grading, neither the expression of p53 or bcl-2 nor the apoptosis or Ki-67 measurements were able to predict survival or recurrence-free survival of the patients suffering from a SCC in the oral cavity or oropharynx. Our observations suggest that the function of wild-type p53 to induce apoptosis is lost in at least half of the SCCs under study and that the physiological function of bcl-2 as potent inhibitor of apoptosis is widely preserved in oral SCC.
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Affiliation(s)
- C Stoll
- Department of Oral and Maxillofacial Surgery, Charité, Humboldt-University of Berlin, Germany.
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21
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Riger S, Ahrens C, Blickenstaff A. Measuring interference with employment and education reported by women with abusive partners: preliminary data. Violence Vict 2000; 15:161-172. [PMID: 11108499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
This study examines the reliability and convergent validity of the Work/School Abuse Scale (W/SAS), a measure of the ways that abusive men interfere with women's participation in education and employment. Results indicate good reliability as measured by coefficient alpha and significant correlations with both a revised version of the Conflict Tactics Scale and the Psychological Abuse Index. The W/SAS is a useful measure of the ways in which physical force and other means of interfering with women's lives isolate them from activities that might provide income, social contacts, and a sense of accomplishment. It may also be used to examine whether changes in welfare policies affect levels of physical force and nonviolent interference in women's employment and education, as suggested by the Family Violence Option to the 1996 revisions in federal welfare policies.
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Affiliation(s)
- S Riger
- Department of Psychology, University of Illinois at Chicago, 60607-7137, USA
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22
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Ouimette PC, Ahrens C, Moos RH, Finney JW. During treatment changes in substance abuse patients with posttraumatic stress disorder. The influence of specific interventions and program environments. J Subst Abuse Treat 1998; 15:555-64. [PMID: 9845869 DOI: 10.1016/s0740-5472(97)00315-2] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Male substance abuse patients with posttraumatic stress disorder (PTSD) (SA-PTSD; N = 140) were compared to patients with only substance use disorders (SA-only; N = 1,262), and those with other Axis I diagnoses (SA-PSY; N = 228) on changes during substance abuse treatment. Diagnoses were determined by chart review, and patients completed questionnaires assessing coping, cognitions, and psychological distress. Although SA-PTSD patients improved on outcomes during treatment, they showed less benefit relative to SA-only patients. At discharge, SA-PTSD patients reported less use of effective coping styles, and endorsed more positive beliefs about substance use than SA-only patients. They had more psychological distress than SA-only and SA-PSY patients. More counseling sessions devoted to substance abuse and family problems, and increased involvement in 12-step activities partially counteracted the negative effects of having a PTSD diagnosis on several outcomes. SA-PTSD patients reported fewer psychological symptoms at discharge in programs that were high in support and order/organization.
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Affiliation(s)
- P C Ouimette
- Program Evaluation, Veterans Affairs Palo Alto Health Care System, CA, USA.
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23
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Morita A, Werfel T, Stege H, Ahrens C, Karmann K, Grewe M, Grether-Beck S, Ruzicka T, Kapp A, Klotz LO, Sies H, Krutmann J. Evidence that singlet oxygen-induced human T helper cell apoptosis is the basic mechanism of ultraviolet-A radiation phototherapy. J Exp Med 1997; 186:1763-8. [PMID: 9362536 PMCID: PMC2199141 DOI: 10.1084/jem.186.10.1763] [Citation(s) in RCA: 231] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Ultraviolet A (UVA) irradiation is effectively used to treat patients with atopic dermatitis and other T cell mediated, inflammatory skin diseases. In the present study, successful phototherapy of atopic dermatitis was found to result from UVA radiation-induced apoptosis in skin-infiltrating T helper cells, leading to T cell depletion from eczematous skin. In vitro, UVA radiation-induced human T helper cell apoptosis was mediated through the FAS/FAS-ligand system, which was activated in irradiated T cells as a consequence of singlet oxygen generation. These studies demonstrate that singlet oxygen is a potent trigger for the induction of human T cell apoptosis. They also identify singlet oxygen generation as a fundamental mechanism of action operative in phototherapy.
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Affiliation(s)
- A Morita
- Clinical and Experimental Photodermatology, Department of Dermatology, Heinrich-Heine-University of Düsseldorf, Germany
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24
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Ahrens C, Grewe M, Berneburg M, Grether-Beck S, Quilliet X, Mezzina M, Sarasin A, Lehmann AR, Arlett CF, Krutmann J. Photocarcinogenesis and inhibition of intercellular adhesion molecule 1 expression in cells of DNA-repair-defective individuals. Proc Natl Acad Sci U S A 1997; 94:6837-41. [PMID: 9192652 PMCID: PMC21245 DOI: 10.1073/pnas.94.13.6837] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.9] [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] [Indexed: 02/04/2023] Open
Abstract
Cells from patients with xeroderma pigmentosum complementation group D (XP-D) and most patients with trichothiodystrophy (TTD) are deficient in excision repair of ultraviolet (UV) radiation-induced DNA damage. Although in both syndromes this defect is based on mutations in the same gene, XPD, only XP-D, not TTD, individuals have an increased risk of skin cancer. Since the reduction in DNA repair capacity is similar in XP-D and TTD patients, it cannot account for the difference in skin cancer risk. The features of XP-D and TTD might therefore be attributable to differences in the immune response following UV-irradiation, a factor which is presumed to be important for photocarcinogenesis. We have measured the capacity of UVB radiation to inhibit expression of the immunological key molecule intercellular adhesion molecule 1 (ICAM-1) in cells from three healthy individuals in comparison to cells from three XP-D and three TTD patients. Cells from XP-D patients, but not from TTD patients, exhibited an increased susceptibility to UVB radiation-induced inhibition of ICAM-1 expression. Transfection of XP-D cells with the wild-type XPD cDNA, but not with XPC cDNA, corrected this abnormal phenotype. Thus, the skin cancer risk in DNA repair-defective individuals correlated with the susceptibility of their cells to UVB radiation-induced inhibition of ICAM-1 expression, rather than with their defect in DNA repair. The XPD protein has dual roles: in DNA repair and transcription. The transcriptional role might be important for the control of expression of immunologically relevant genes and thereby contribute to the skin cancer risk of a DNA-repair-deficient individual.
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Affiliation(s)
- C Ahrens
- Clinical and Experimental Photodermatology, Department of Dermatology, Heinrich Heine University, Moorenstrasse 5, D-40225 Düsseldorf, Germany
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25
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Krutmann J, Ahrens C, Roza L, Arlett CF. The role of DNA damage and repair in ultraviolet B radiation-induced immunomodulation: relevance for human photocarcinogenesis. Photochem Photobiol 1996; 63:394-6. [PMID: 8934747 DOI: 10.1111/j.1751-1097.1996.tb03053.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- J Krutmann
- Department of Dermatology, Heinrich-Heine-University, Düsseldorf, Germany
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Abstract
Tumors depend on their blood supply for growth. The blood supply to metastatic neoplasia of lung is usually from the pulmonary circulation or both the pulmonary and systemic circulation. The antineoplastic effect of pulmonary artery occlusion was investigated in a rat model of methylcholanthrene-induced metastatic pulmonary sarcoma. Left pulmonary artery ligation was performed on day 7 after tumor inoculation, and animals were sacrificed on day 14. The tumor burden of the left lung decreased 44% when compared with the control group. The survival of non-tumor-bearing rats undergoing left pulmonary artery ligation for 24 hours followed by right pneumonectomy after 2 weeks was also studied. No significant lung damage after a period of left pulmonary artery ligation was seen, as evidenced by both survival after contralateral right pneumonectomy and histology. Balloon occlusion of pulmonary artery, together with regional chemotherapy for patients with lung metastases, may warrant investigation.
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Affiliation(s)
- H Y Wang
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York 10021
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27
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Pearson MN, Bjornson RM, Ahrens C, Rohrmann GF. Identification and characterization of a putative origin of DNA replication in the genome of a baculovirus pathogenic for Orgyia pseudotsugata. Virology 1993; 197:715-25. [PMID: 8249294 DOI: 10.1006/viro.1993.1647] [Citation(s) in RCA: 56] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
A four-kilobase (kb) region (HindIII-N, map units 7.0-11.3) of the Orgyia pseudotsugata multinucleocapsid nuclear polyhedrosis virus (OpMNPV) genome was found to contain sequences that conferred upon plasmids the ability to undergo infection-dependent replication. The plasmid DNA appeared to be replicated to form high molecular weight multimers. Plasmids with deletions of up to 1.8 kb from either end of the HindIII-N region were replication competent. However, a discrete sequence, contained within the region bracketed by the deletions, capable of specifying replication was not identified. No evidence for sequence homology was found between the OpMNPV HindIII-N region and regions elsewhere in the OpMNPV genome or to putative Autographa californica MNPV (AcMNPV) replication origins. Origin-dependent plasmid replication was shown to require the presence of the OpMNPV DNA polymerase gene. The OpMNPV origin replicated poorly in AcMNPV-infected Spodoptera frugiperda cells and, conversely, a putative AcMNPV origin (hr2) replicated at low levels in OpMNPV-infected Lymantria dispar cells.
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Affiliation(s)
- M N Pearson
- Department of Agricultural Chemistry, Agricultural & Life Sciences, Oregon State University, Corvallis 97331-7301
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Wiersbitzky S, Vanura H, Ahrens C, Griefahn B. [Borrelia infections in children. Clinical picture and personal cases]. Kinderarztl Prax 1987; 55:579-86. [PMID: 3441097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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29
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Ahrens C, Hett P. Zur Perchloratbestimmung im Chilesalpeter. Angew Chem Int Ed Engl 1900. [DOI: 10.1002/ange.19000131705] [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: 11/09/2022]
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30
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Dennstedt M, Ahrens C. Ueber die Bestimmung von schwefliger S�ure und Schwefels�ure in den Verbrennungsproducten des Leuchtgases. Anal Bioanal Chem 1896. [DOI: 10.1007/bf01415232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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31
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