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Ceccarelli DM, Evans RD, Logan M, Jones GP, Puotinen M, Petus C, Russ GR, Srinivasan M, Williamson DH. Physical, biological and anthropogenic drivers of spatial patterns of coral reef fish assemblages at regional and local scales. Sci Total Environ 2023; 904:166695. [PMID: 37660823 DOI: 10.1016/j.scitotenv.2023.166695] [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] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 08/16/2023] [Accepted: 08/28/2023] [Indexed: 09/05/2023]
Abstract
Species abundance, diversity and community assemblage structure are determined by multiple physical, habitat and management drivers that operate across multiple spatial scales. Here we used a multi-scale coral reef monitoring dataset to examine regional and local differences in the abundance, species richness and composition of fish assemblages in no-take marine reserve (NTMR) and fished zones at four island groups in the Great Barrier Reef Marine Park, Australia. We applied boosted regression trees to quantify the influence of 20 potential drivers on the coral reef fish assemblages. Reefs in two locations, Magnetic Island and the Keppel Islands, had distinctive fish assemblages and low species richness, while the Palm and Whitsunday Islands had similar species composition and higher species richness. Overall, our analyses identified several important physical (temperature, wave exposure) and biological (coral, turf, macroalgal and unconsolidated substratum cover) drivers of inshore reef fish communities, some of which are being altered by human activities. Of these, sea surface temperature (SST) was more influential at large scales, while wave exposure was important both within and between island groups. Species richness declined with increasing macroalgal cover and exposure to cyclones, and increased with SST. Species composition was most strongly influenced by mean SST and percent cover of macroalgae. There was substantial regional variation in the local drivers of spatial patterns. Although NTMR zoning influenced total fish density in some regions, it had negligible effects on fish species richness, composition and trophic structure because of the relatively small number of species targeted by the fishery. These findings show that inshore reef fishes are directly influenced by disturbances typical of the nearshore Great Barrier Reef, highlighting the need to complement global action on climate change with more targeted localised efforts to maintain or improve the condition of coral reef habitats.
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Affiliation(s)
- Daniela M Ceccarelli
- ARC Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, QLD 4811, Australia; Australian Institute of Marine Science, Townsville, QLD 4810, Australia.
| | - Richard D Evans
- Department of Biodiversity, Conservation and Attractions, Kensington, WA 6151, Australia; Oceans Institute, University of Western Australia, Crawley, WA 6009, Australia
| | - Murray Logan
- Australian Institute of Marine Science, Townsville, QLD 4810, Australia
| | - Geoffrey P Jones
- ARC Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, QLD 4811, Australia; College of Science & Engineering, James Cook University, Townsville, QLD 4811, Australia
| | - Marji Puotinen
- Australian Institute of Marine Science, Townsville, QLD 4810, Australia
| | - Caroline Petus
- Centre for Tropical Water and Aquatic System Research, James Cook University, Townsville, QLD 4811, Australia
| | - Garry R Russ
- ARC Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, QLD 4811, Australia; College of Science & Engineering, James Cook University, Townsville, QLD 4811, Australia
| | - Maya Srinivasan
- College of Science & Engineering, James Cook University, Townsville, QLD 4811, Australia; Centre for Tropical Water and Aquatic System Research, James Cook University, Townsville, QLD 4811, Australia
| | - David H Williamson
- ARC Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, QLD 4811, Australia; Great Barrier Reef Marine Park Authority, Townsville, QLD 4811, Australia
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Harrison HB, Drane L, Berumen ML, Cresswell BJ, Evans RD, Galbraith GF, Srinivasan M, Taylor BM, Williamson DH, Jones GP. Ageing of juvenile coral grouper ( Plectropomus maculatus) reveals year-round spawning and recruitment: implications for seasonal closures. Proc Biol Sci 2023; 290:20230584. [PMID: 37339745 DOI: 10.1098/rspb.2023.0584] [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: 03/10/2023] [Accepted: 05/30/2023] [Indexed: 06/22/2023] Open
Abstract
Temporal patterns in spawning and juvenile recruitment can have major effects on population size and the demographic structure of coral reef fishes. For harvested species, these patterns are crucial in determining stock size and optimizing management strategies such as seasonal closures. For the commercially important coral grouper (Plectropomus spp.) on the Great Barrier Reef, histological studies indicate peak spawning around the summer new moons. Here we examine the timing of spawning activity for P. maculatus in the southern Great Barrier Reef by deriving age in days for 761 juvenile fish collected between 2007 and 2022, and back-calculating settlement and spawning dates. Age-length relationships were used to estimate spawning and settlement times for a further 1002 juveniles collected over this period. Unexpectedly, our findings indicate year-round spawning activity generates distinct recruitment cohorts that span several weeks to months. Peak spawning varied between years with no clear association with environmental cues, and little to no alignment with existing seasonal fisheries closures around the new moon. Given the variability and uncertainty in peak spawning times, this fishery may benefit from additional and longer seasonal closures, or alternative fisheries management strategies, to maximize the recruitment contribution from periods of greatest reproductive success.
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Affiliation(s)
- H B Harrison
- School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol BS8 1TQ, UK
- Marine Biology and Aquaculture, College of Science & Engineering, James Cook University, Townsville 4811, Queensland, Australia
| | - L Drane
- Marine Biology and Aquaculture, College of Science & Engineering, James Cook University, Townsville 4811, Queensland, Australia
| | - M L Berumen
- Red Sea Research Center, Division of Biological and Environmental Science and Engineering, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
| | - B J Cresswell
- Marine Biology and Aquaculture, College of Science & Engineering, James Cook University, Townsville 4811, Queensland, Australia
- Commonwealth Scientific and Industrial Research Organisation, Townsville 4811, Queensland, Australia
| | - R D Evans
- Department of Biodiversity Conservation and Attractions, 17 Dick Perry Ave, Kensington 6151, Australia
- Oceans Institute, The University of Western Australia, Crawley, Western Australia 6009, Australia
| | - G F Galbraith
- Marine Biology and Aquaculture, College of Science & Engineering, James Cook University, Townsville 4811, Queensland, Australia
- Centre for Tropical Water and Aquatic Ecosystem Research (TropWATER), James Cook University, Townsville 4811, Queensland, Australia
| | - M Srinivasan
- Marine Biology and Aquaculture, College of Science & Engineering, James Cook University, Townsville 4811, Queensland, Australia
- Centre for Tropical Water and Aquatic Ecosystem Research (TropWATER), James Cook University, Townsville 4811, Queensland, Australia
| | - B M Taylor
- University of Guam Marine Laboratory and UOG Sea Grant, 303 University Drive, UOG Station, Mangilao, Guam 96923, USA
| | - D H Williamson
- Great Barrier Reef Marine Park Authority, Townsville 4810, Queensland, Australia
| | - G P Jones
- Marine Biology and Aquaculture, College of Science & Engineering, James Cook University, Townsville 4811, Queensland, Australia
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Dixson DL, Jones GP, Munday PL, Planes S, Pratchett MS, Srinivasan M, Syms C, Thorrold SR. Correction to: 'Coral reef fish smell leaves to find island homes' (2022) by Dixson et al.. Proc Biol Sci 2022; 289:20221243. [PMID: 36515123 DOI: 10.1098/rspb.2022.1243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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Nadarajah R, Ludman P, Appelman Y, Brugaletta S, Budaj A, Bueno H, Huber K, Kunadian V, Leonardi S, Lettino M, Milasinovic D, Gale CP, Budaj A, Dagres N, Danchin N, Delgado V, Emberson J, Friberg O, Gale CP, Heyndrickx G, Iung B, James S, Kappetein AP, Maggioni AP, Maniadakis N, Nagy KV, Parati G, Petronio AS, Pietila M, Prescott E, Ruschitzka F, Van de Werf F, Weidinger F, Zeymer U, 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 KV, Nedoshivin A, Petronio AP, Roos-Hesselink JW, Wallentin L, Zeymer U, Popescu BA, Adlam D, Caforio ALP, Capodanno D, Dweck M, Erlinge D, Glikson M, Hausleiter J, Iung B, Kayikcioglu M, Ludman P, Lund L, Maggioni AP, Matskeplishvili S, Meder B, Nagy KV, Nedoshivin A, Neglia D, Pasquet AA, Roos-Hesselink JW, Rossello FJ, Shaheen SM, Torbica A, Gale CP, Ludman PF, Lettino M, Bueno H, Huber K, Leonardi S, Budaj A, Milasinovic (Serbia) D, Brugaletta S, Appelman Y, Kunadian V, Al Mahmeed WAR, Kzhdryan H, Dumont C, Geppert A, Bajramovic NS, Cader FA, Beauloye C, Quesada D, Hlinomaz O, Liebetrau C, Marandi T, Shokry K, Bueno H, Kovacevic M, Crnomarkovic B, Cankovic M, Dabovic D, Jarakovic M, Pantic T, Trajkovic M, Pupic L, Ruzicic D, Cvetanovic D, Mansourati J, Obradovic I, Stankovic M, Loh PH, Kong W, Poh KK, Sia CH, Saw K, Liška D, Brozmannová D, Gbur M, Gale CP, Maxian R, Kovacic D, Poznic NG, Keric T, Kotnik G, Cercek M, Steblovnik K, Sustersic M, Cercek AC, Djokic I, Maisuradze D, Drnovsek B, Lipar L, Mocilnik M, Pleskovic A, Lainscak M, Crncic D, Nikojajevic I, Tibaut M, Cigut M, Leskovar B, Sinanis T, Furlan T, Grilj V, Rezun M, Mateo VM, Anguita MJF, Bustinza ICM, Quintana RB, Cimadevilla OCF, Fuertes J, Lopez F, Dharma S, Martin MD, Martinez L, Barrabes JA, Bañeras J, Belahnech Y, Ferreira-Gonzalez I, Jordan P, Lidon RM, Mila L, Sambola A, Orvin K, Sionis A, Bragagnini W, Cambra AD, Simon C, Burdeus MV, Ariza-Solé A, Alegre O, Alsina M, Ferrando JIL, Bosch X, Sinha A, Vidal P, Izquierdo M, Marin F, Esteve-Pastor MA, Tello-Montoliu A, Lopez-Garcia C, Rivera-Caravaca JM, Gil-Pérez P, Nicolas-Franco S, Keituqwa I, Farhan HA, Silva L, Blasco A, Escudier JM, Ortega J, Zamorano JL, Sanmartin M, Pereda DC, Rincon LM, Gonzalez P, Casado T, Sadeghipour P, Lopez-Sendon JL, Manjavacas AMI, Marin LAM, Sotelo LR, Rodriguez SOR, Bueno H, Martin R, Maruri R, Moreno G, Moris C, Gudmundsdottir I, Avanzas P, Ayesta A, Junco-Vicente A, Cubero-Gallego H, Pascual I, Sola NB, Rodriguez OA, Malagon L, Martinez-Basterra J, Arizcuren AM, Indolfi C, Romero J, Calleja AG, Fuertes DG, Crespín Crespín M, Bernal FJC, Ojeda FB, Padron AL, Cabeza MM, Vargas CM, Yanes G, Kitai T, Gonzalez MJG, Gonzalez Gonzalez J, Jorge P, De La Fuente B, Bermúdez MG, Perez-Lopez CMB, Basiero AB, Ruiz AC, Pamias RF, Chamero PS, Mirrakhimov E, Hidalgo-Urbano R, Garcia-Rubira JC, Seoane-Garcia T, Arroyo-Monino DF, Ruiz AB, Sanz-Girgas E, Bonet G, Rodríguez-López J, Scardino C, De Sousa D, Gustiene O, Elbasheer E, Humida A, Mahmoud H, Mohamed A, Hamid E, Hussein S, Abdelhameed M, Ali T, Ali Y, Eltayeb M, Philippe F, Ali M, Almubarak E, Badri M, Altaher S, Alla MD, Dellborg M, Dellborg H, Hultsberg-Olsson G, Marjeh YB, Abdin A, Erglis A, Alhussein F, Mgazeel F, Hammami R, Abid L, Bahloul A, Charfeddine S, Ellouze T, Canpolat U, Oksul M, Muderrisoglu H, Popovici M, Karacaglar E, Akgun A, Ari H, Ari S, Can V, Tuncay B, Kaya H, Dursun L, Kalenderoglu K, Tasar O, Kalpak O, Kilic S, Kucukosmanoglu M, Aytekin V, Baydar O, Demirci Y, Gürsoy E, Kilic A, Yildiz Ö, Arat-Ozkan A, Sinan UY, Dagva M, Gungor B, Sekerci SS, Zeren G, Erturk M, Demir AR, Yildirim C, Can C, Kayikcioglu M, Yagmur B, Oney S, Xuereb RG, Sabanoglu C, Inanc IH, Ziyrek M, Sen T, Astarcioglu MA, Kahraman F, Utku O, Celik A, Surmeli AO, Basaran O, Ahmad WAW, Demirbag R, Besli F, Gungoren F, Ingabire P, Mondo C, Ssemanda S, Semu T, Mulla AA, Atos JS, Wajid I, Appelman Y, Al Mahmeed WAR, Atallah B, Bakr K, Garrod R, Makia F, Eldeeb F, Abdekader R, Gomaa A, Kandasamy S, Maruthanayagam R, Nadar SK, Nakad G, Nair R, Mota P, Prior P, Mcdonald S, Rand J, Schumacher N, Abraheem A, Clark M, Coulding M, Qamar N, Turner V, Negahban AQ, Crew A, Hope S, Howson J, Jones S, Lancaster N, Nicholson A, Wray G, Donnelly P, Gierlotka M, Hammond L, Hammond S, Regan S, Watkin R, Papadopoulos C, Ludman P, Hutton K, Macdonald S, Nilsson A, Roberts S, Monteiro S, Garg S, Balachandran K, Mcdonald J, Singh R, Marsden K, Davies K, Desai H, Goddard W, Iqbal N, Chalil S, Dan GA, Galasko G, Assaf O, Benham L, Brown J, Collins S, Fleming C, Glen J, Mitchell M, Preston S, Uttley A, Radovanovic M, Lindsay S, Akhtar N, Atkinson C, Vinod M, Wilson A, Clifford P, Firoozan S, Yashoman M, Bowers N, Chaplin J, Reznik EV, Harvey S, Kononen M, Lopesdesousa G, Saraiva F, Sharma S, Cruddas E, Law J, Young E, Hoye A, Harper P, Balghith M, Rowe K, Been M, Cummins H, French E, Gibson C, Abraham JA, Hobson S, Kay A, Kent M, Wilkinson A, Mohamed A, Clark S, Duncan L, Ahmed IM, Khatiwada D, Mccarrick A, Wanda I, Read P, Afsar A, Rivers V, Theobald T, Cercek M, Bell S, Buckman C, Francis R, Peters G, Stables R, Morgan M, Noorzadeh M, Taylor B, Twiss S, Widdows P, Brozmannová D, Wilkinson V, Black M, Clark A, Clarkson N, Currie J, George L, Mcgee C, Izzat L, Lewis T, Omar Z, Aytekin V, Phillips S, Ahmed F, Mackie S, Oommen A, Phillips H, Sherwood M, Aleti S, Charles T, Jose M, Kolakaluri L, Ingabire P, Karoudi RA, Deery J, Hazelton T, Knight A, Price C, Turney S, Kardos A, Williams F, Wren L, Bega G, Alyavi B, Scaletta D, Kunadian V, Cullen K, Jones S, Kirkup E, Ripley DP, Matthews IG, Mcleod A, Runnett C, Thomas HE, Cartasegna L, Gunarathne A, Burton J, King R, Quinn J, Sobolewska J, Munt S, Porter J, Christenssen V, Leng K, Peachey T, Gomez VN, Temple N, Wells K, Viswanathan G, Taneja A, Cann E, Eglinton C, Hyams B, Jones E, Reed F, Smith J, Beltrano C, Affleck DC, Turner A, Ward T, Wilmshurst N, Stirrup J, Brunton M, Whyte A, Smith S, Murray V, Walker R, Novas V, Weston C, Brown C, Collier D, Curtis K, Dixon K, Wells T, Trim F, Ghosh J, Mavuri M, Barman L, Dumont C, Elliott K, Harrison R, Mallinson J, Neale T, Smith J, Toohie J, Turnbull A, Parker E, Hossain R, Cheeseman M, Balparda H, Hill J, Hood M, Hutchinson D, Mellows K, Pendlebury C, Storey RF, Barker J, Birchall K, Denney H, Housley K, Cardona M, Middle J, Kukreja N, Gati S, Kirk P, Lynch M, Srinivasan M, Szygula J, Baker P, Cruz C, Derigay J, Cigalini C, Lamb K, Nembhard S, Price A, Mamas M, Massey I, Wain J, Delaney J, Junejo S, Martin K, Obaid D, Hoyle V, Brinkworth E, Davies C, Evans D, Richards S, Thomas C, Williams M, Dayer M, Mills H, Roberts K, Goodchild F, Dámaso ES, Greig N, Kundu S, Donaldson D, Tonks L, Beekes M, Button H, Hurford F, Motherwell N, Summers-Wall J, Felmeden D, Tapia V, Keeling P, Sheikh U, Yonis A, Felmeden L, Hughes D, Micklewright L, Summerhayes A, Sutton J, Panoulas V, Prendergast C, Poghosyan K, Rogers P, Barker LN, Batin P, Conway D, Exley D, Fletcher A, Wright J, Nageh T, Hadebe B, Kunhunny S, Mkhitaryan S, Mshengu E, Karthikeyan VJ, Hamdan H, Cooper J, Dandy C, Parkinson V, Paterson P, Reddington S, Taylor T, Tierney C, Adamyan M, Jones KV, Broadley A, Beesley K, Buckley C, Hellyer C, Pippard L, Pitt-Kerby T, Azam J, Hayes C, Freshwater K, Boyadjian S, Johnson L, Mcgill Y, Redfearn H, Russell M, Alyavi A, Alyavi B, Uzokov J, Hayrapetyan H, Azaryan K, Tadevosyan M, Poghosyan H, Kzhdryan H, Vardanyan A, Huber K, Geppert A, Ahmed A, Weidinger F, Derntl M, Hasun M, Schuh-Eiring T, Riegler L, Haq MM, Cader FA, Dewan MAM, Fatema ME, Hasan AS, Islam MM, Khandoker F, Mayedah R, Nizam SU, Azam MG, Arefin MM, Jahan J, Schelfaut D, De Raedt H, Wouters S, Aerts S, Batjoens H, Beauloye C, Dechamps M, Pierard S, Van Caenegem O, Sinnaeve F, Claeys MJ, Snepvangers M, Somers V, Gevaert S, Schaubroek H, Vervaet P, Buysse M, Renders F, Dumoulein M, Hiltrop N, De Coninck M, Naessens S, Senesael I, Hoffer E, Pourbaix S, Beckers J, Dugauquier C, Jacquet S, Malmendier D, Massoz M, Evrard P, Collard L, Brunner P, Carlier S, Blockmans M, Mayne D, Timiras E, Guédès A, Demeure F, Hanet C, Domange J, Jourdan K, Begic E, Custovic F, Dozic A, Hrvat E, Kurbasic I, Mackic D, Subo A, Durak-Nalbantic A, Dzubur A, Rebic D, Hamzic-Mehmedbasic A, Redzepovic A, Djokic-Vejzovic A, Hodzic E, Hujdur M, Musija E, Gljiva-Gogic Z, Serdarevic N, Bajramovic NS, Brigic L, Halilcevic M, Cibo M, Hadžibegic N, Kukavica N, Begic A, Iglica A, Osmanagic A, Resic N, Grgurevic MV, Zvizdic F, Pojskic B, Mujaric E, Selimovic H, Ejubovic M, Pojskic L, Stimjanin E, Sut M, Zapata PS, Munoz CG, Andrade LAF, Upegui MPT, Perez LE, Chavarria J, Quesada D, Alvarado K, Zaputovic L, Tomulic V, Gobic D, Jakljevic T, Lulic D, Bacic G, Bastiancic L, Avraamides P, Eftychiou C, Eteocleous N, Ioannou A, Lambrianidi C, Drakomathioulakis M, Groch L, Hlinomaz O, Rezek M, Semenka J, Sitar J, Beranova M, Kramarikova P, Pesl L, Sindelarova S, Tousek F, Warda HM, Ghaly I, Habiba S, Habib A, Gergis MN, Bahaa H, Samir A, Taha HSE, Adel M, Algamal HM, Mamdouh M, Shaker AF, Shokry K, Konsoah A, Mostafa AM, Ibrahim A, Imam A, Hafez B, Zahran A, Abdelhamid M, Mahmoud K, Mostafa A, Samir A, Abdrabou M, Kamal A, Sallam S, Ali A, Maghraby K, Atta AR, Saad A, Ali M, Lotman EM, Lubi R, Kaljumäe H, Uuetoa T, Kiitam U, Durier C, Ressencourt O, El Din AA, Guiatni A, Bras ML, Mougenot E, Labeque JN, Banos JL, Capendeguy O, Mansourati J, Fofana A, Augagneur M, Bahon L, Pape AL, Batias-Moreau L, Fluttaz A, Good F, Prieur F, Boiffard E, Derien AS, Drapeau I, Roy N, Perret T, Dubreuil O, Ranc S, Rio S, Bonnet JL, Bonnet G, Cuisset T, Deharo P, Mouret JP, Spychaj JC, Blondelon A, Delarche N, Decalf V, Guillard N, Hakme A, Roger MP, Biron Y, Druelles P, Loubeyre C, Lucon A, Hery P, Nejjari M, Digne F, Huchet F, Neykova A, Tzvetkov B, Larrieu M, Quaino G, Armangau P, Sauguet A, Bonfils L, Dumonteil N, Fajadet J, Farah B, Honton B, Monteil B, Philippart R, Tchetche D, Cottin M, Petit F, Piquart A, Popovic B, Varlot J, Maisuradze D, Sagirashvili E, Kereselidze Z, Totladze L, Ginturi T, Lagvilava D, Hamm C, Liebetrau C, Haas M, Hamm C, Koerschgen T, Weferling M, Wolter JS, Maier K, Nickenig G, Sedaghat A, Zachoval C, Lampropoulos K, Mpatsouli A, Sakellaropoulou A, Tyrovolas K, Zibounoumi N, Argyropoulos K, Toulgaridis F, Kolyviras A, Tzanis G, Tzifos V, Milkas A, Papaioannou S, Kyriazopoulos K, Pylarinou V, Kontonassakis I, Kotakos C, Kourgiannidis G, Ntoliou P, Parzakonis N, Pipertzi A, Sakalidis A, Ververeli CL, Kafkala K, Sinanis T, Diakakis G, Grammatikopoulos K, Papoutsaki E, Patialiatos T, Mamaloukaki M, Papadaki ST, Kanellos IE, Antoniou A, Tsinopoulos G, Goudis C, Giannadaki M, Daios S, Petridou M, Skantzis P, Koukis P, Dimitriadis F, Savvidis M, Styliadis I, Sachpekidis V, Pilalidou A, Stamatiadis N, Fotoglidis A, Karakanas A, Ruzsa Z, Becker D, Nowotta F, Gudmundsdottir I, Libungan B, Skuladottir FB, Halldorsdottir H, Shetty R, Iyengar S, Bs C, G S, Lakshmana S, S R, Tripathy N, Sinha A, Choudhary B, Kumar A, Kumar A, Raj R, Roy RS, Dharma S, Siswanto BB, Farhan HA, Yaseen IF, Al-Zaidi M, Dakhil Z, Amen S, Rasool B, Rajeeb A, Amber K, Ali HH, Al-Kinani T, Almyahi MH, Al-Obaidi F, Masoumi G, Sadeghi M, Heshmat-Ghahdarijani K, Roohafza H, Sarrafzadegan N, Shafeie M, Teimouri-Jervekani Z, Noori F, Kyavar M, Sadeghipour P, Firouzi A, Alemzadeh-Ansari MJ, Ghadrdoost B, Golpira R, Ghorbani A, Ahangari F, Salarifar M, Jenab Y, Biria A, Haghighi S, Mansouri P, Yadangi S, Kornowski R, Orvin K, Eisen A, Oginetz N, Vizel R, Kfir H, Pasquale GD, Casella G, Cardelli LS, Filippini E, Zagnoni S, Donazzan L, Ermacora D, Indolfi C, Polimeni A, Curcio A, Mongiardo A, De Rosa S, Sorrentino S, Spaccarotella C, Landolina M, Marino M, Cacucci M, Vailati L, Bernabò P, Montisci R, Meloni L, Marchetti MF, Biddau M, Garau E, Barbato E, Morisco C, Strisciuglio T, Canciello G, Lorenzoni G, Casu G, Merella P, Novo G, D'Agostino A, Di Lisi D, Di Palermo A, Evola S, Immordino F, Rossetto L, Spica G, Pavan D, Mattia AD, Belfiore R, Grandis U, Vendrametto F, Spagnolo C, Carniel L, Sonego E, Gaudio C, Barillà F, Biccire FG, Bruno N, Ferrari I, Paravati V, Torromeo C, Galasso G, Peluso A, Prota C, Radano I, Benvenga RM, Ferraioli D, Anselmi M, Frigo GM, Sinagra G, Merlo M, Perkan A, Ramani F, Altinier A, Fabris E, Rinaldi M, Usmiani T, Checco L, Frea S, Mussida M, Matsukawa R, Sugi K, Kitai T, Furukawa Y, Masumoto A, Miyoshi Y, Nishino S, Assembekov B, Amirov B, Chernokurova Y, Ibragimova F, Mirrakhimov E, Ibraimova A, Murataliev T, Radzhapova Z, Uulu ES, Zhanyshbekova N, Zventsova V, Erglis A, Bondare L, Zaliunas R, Gustiene O, Dirsiene R, Marcinkeviciene J, Sakalyte G, Virbickiene A, Baksyte G, Bardauskiene L, Gelmaniene R, Salkauskaite A, Ziubryte G, Kupstyte-Kristapone N, Badariene J, Balciute S, Kapleriene L, Lizaitis M, Marinskiene J, Navickaite A, Pilkiene A, Ramanauskaite D, Serpytis R, Silinskiene D, Simbelyte T, Staigyte J, Philippe F, Degrell P, Camus E, Ahmad WAW, Kassim ZA, Xuereb RG, Buttigieg LL, Camilleri W, Pllaha E, Xuereb S, Popovici M, Ivanov V, Plugaru A, Moscalu V, Popovici I, Abras M, Ciobanu L, Litvinenco N, Fuior S, Dumanschi C, Ivanov M, Danila T, Grib L, Filimon S, Cardaniuc L, Batrinac A, Tasnic M, Cozma C, Revenco V, Sorici G, Dagva M, Choijiljav G, Dandar E, Khurelbaatar MU, Tsognemekh B, Appelman Y, Den Hartog A, Kolste HJT, Van Den Buijs D, Van'T Hof A, Pustjens T, Houben V, Kasperski I, Ten Berg J, Azzahhafi J, Bor W, Yin DCP, Mbakwem A, Amadi C, Kushimo O, Kilasho M, Oronsaye E, Bakracheski N, Bashuroska EK, Mojsovska V, Tupare S, Dejan M, Jovanoska J, Razmoski D, Marinoski T, Antovski A, Jovanovski Z, Kocho S, Markovski R, Ristovski V, Samir AB, Biserka S, Kalpak O, Peovska IM, Taleska BZ, Pejkov H, Busljetik O, Zimbakov Z, Grueva E, Bojovski I, Tutic M, Poposka L, Vavlukis M, Al-Riyami A, Nadar SK, Abdelmottaleb W, Ahmed S, Mujtaba MS, Al-Mashari S, Al-Riyami H, Laghari AH, Faheem O, Ahmed SW, Qamar N, Furnaz S, Kazmi K, Saghir T, Aneel A, Asim A, Madiha F, Sobkowicz B, Tycinska A, Kazimierczyk E, Szyszkowska A, Mizia-Stec K, Wybraniec M, Bednarek A, Glowacki K, Prokopczuk J, Babinski W, Blachut A, Kosiak M, Kusinska A, Samborski S, Stachura J, Szastok H, Wester A, Bartoszewska D, Sosnowska-Pasiarska B, Krzysiek M, Legutko J, Nawrotek B, Kasprzak JD, Klosinska M, Wiklo K, Kurpesa M, Rechcinski T, Cieslik-Guerra U, Gierlotka M, Bugajski J, Feusette P, Sacha J, Przybylo P, Krzesinski P, Ryczek R, Karasek A, Kazmierczak-Dziuk A, Mielniczuk M, Betkier-Lipinska K, Roik M, Labyk A, Krakowian M, Machowski M, Paczynska M, Potepa M, Pruszczyk P, Budaj A, Ambroziak M, Omelanczuk-Wiech E, Torun A, Opolski G, Glowczynska R, Fojt A, Kowalik R, Huczek Z, Jedrzejczyk S, Roleder T, Brust K, Gasior M, Desperak P, Hawranek M, Farto-Abreu P, Santos M, Baptista S, Brizida L, Faria D, Loureiro J, Magno P, Monteiro C, Nédio M, Tavares J, Sousa C, Almeida I, Almeida S, Miranda H, Santos H, Santos AP, Goncalves L, Monteiro S, Baptista R, Ferreira C, Ferreira J, Goncalves F, Lourenço C, Monteiro P, Picarra B, Santos AR, Guerreiro RA, Carias M, Carrington M, Pais J, de Figueiredo MP, Rocha AR, Mimoso J, De Jesus I, Fernandes R, Guedes J, Mota T, Mendes M, Ferreira J, Tralhão A, Aguiar CT, Strong C, Da Gama FF, Pais G, Timóteo AT, Rosa SAO, Mano T, Reis J, Selas M, Mendes DE, Satendra M, Pinto P, Queirós C, Oliveira I, Reis L, Cruz I, Fernandes R, Torres S, Luz A, Campinas A, Costa R, Frias A, Oliveira M, Martins V, Castilho B, Coelho C, Moura AR, Cotrim N, Dos Santos RC, Custodio P, Duarte R, Gomes R, Matias F, Mendonca C, Neiva J, Rabacal C, Almeida AR, Caeiro D, Queiroz P, Silva G, Pop-Moldovan AL, Darabantiu D, Mercea S, Dan GA, Dan AR, Dobranici M, Popescu RA, Adam C, Sinescu CJ, Andrei CL, Brezeanu R, Samoila N, Baluta MM, Pop D, Tomoaia R, Istratoaie O, Donoiu I, Cojocaru A, Oprita OC, Rocsoreanu A, Grecu M, Ailoaei S, Popescu MI, Cozma A, Babes EE, Rus M, Ardelean A, Larisa R, Moisi M, Ban E, Buzle A, Filimon G, Dobreanu D, Lupu S, Mitre A, Rudzik R, Sus I, Opris D, Somkereki C, Mornos C, Petrescu L, Betiu A, Volcescu A, Ioan O, Luca C, Maximov D, Mosteoru S, Pascalau L, Roman C, Brie D, Crisan S, Erimescu C, Falnita L, Gaita D, Gheorghiu M, Levashov S, Redkina M, Novitskii N, Dementiev E, Baglikov A, Zateyshchikov D, Zubova E, Rogozhina A, Salikov A, Nikitin I, Reznik EV, Komissarova MS, Shebzukhova M, Shitaya K, Stolbova S, Larina V, Akhmatova F, Chuvarayan G, Arefyev MN, Averkov OV, Volkova AL, Sepkhanyan MS, Vecherko VI, Meray I, Babaeva L, Goreva L, Pisaryuk A, Potapov P, Teterina M, Ageev F, Silvestrova G, Fedulaev Y, Pinchuk T, Staroverov I, Kalimullin D, Sukhinina T, Zhukova N, Ryabov V, Kruchinkina E, Vorobeva D, Shevchenko I, Budyak V, Elistratova O, Fetisova E, Islamov R, Ponomareva E, Khalaf H, Shaimaa AA, Kamal W, Alrahimi J, Elshiekh A, Balghith M, Ahmed A, Attia N, Jamiel AA, Potpara T, Marinkovic M, Mihajlovic M, Mujovic N, Kocijancic A, Mijatovic Z, Radovanovic M, Matic D, Milosevic A, Savic L, Subotic I, Uscumlic A, Zlatic N, Antonijevic J, Vesic O, Vucic R, Martinovic SS, Kostic T, Atanaskovic V, Mitic V, Stanojevic D, Petrovic M. Cohort profile: the ESC EURObservational Research Programme Non-ST-segment elevation myocardial infraction (NSTEMI) Registry. Eur Heart J Qual Care Clin Outcomes 2022; 9:8-15. [PMID: 36259751 DOI: 10.1093/ehjqcco/qcac067] [Citation(s) in RCA: 3] [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] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/12/2022]
Abstract
AIMS The European Society of Cardiology (ESC) EURObservational Research Programme (EORP) Non-ST-segment elevation myocardial infarction (NSTEMI) Registry aims to identify international patterns in NSTEMI management in clinical practice and outcomes against the 2015 ESC Guidelines for the management of acute coronary syndromes in patients presenting without ST-segment-elevation. METHODS AND RESULTS Consecutively hospitalised adult NSTEMI patients (n = 3620) were enrolled between 11 March 2019 and 6 March 2021, and individual patient data prospectively collected at 287 centres in 59 participating countries during a two-week enrolment period per centre. The registry collected data relating to baseline characteristics, major outcomes (in-hospital death, acute heart failure, cardiogenic shock, bleeding, stroke/transient ischaemic attack, and 30-day mortality) and guideline-recommended NSTEMI care interventions: electrocardiogram pre- or in-hospital, pre-hospitalization receipt of aspirin, echocardiography, coronary angiography, referral to cardiac rehabilitation, smoking cessation advice, dietary advice, and prescription on discharge of aspirin, P2Y12 inhibition, angiotensin converting enzyme inhibitor (ACEi)/angiotensin receptor blocker (ARB), beta-blocker, and statin. CONCLUSION The EORP NSTEMI Registry is an international, prospective registry of care and outcomes of patients treated for NSTEMI, which will provide unique insights into the contemporary management of hospitalised NSTEMI patients, compliance with ESC 2015 NSTEMI Guidelines, and identify potential barriers to optimal management of this common clinical presentation associated with significant morbidity and mortality.
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Affiliation(s)
- Ramesh Nadarajah
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, LS2 9JT Leeds, UK.,Leeds Institute of Data Analytics, University of Leeds, LS2 9JT Leeds, UK.,Department of Cardiology, Leeds Teaching Hospitals NHS Trust, LS1 3EX Leeds, UK
| | - Peter Ludman
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | - Yolande Appelman
- Department of Cardiology, Amsterdam UMC-Vrije Universiteit, Amsterdam Cardiovascular Sciences, Amsterdam, Netherlands
| | - Salvatore Brugaletta
- Hospital Clinic de Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain
| | - Andrzej Budaj
- Department of Cardiology, Center of Postgraduate Medical Education, Grochowski Hospital, Warsaw, Poland
| | - Hector Bueno
- Cardiology Department, Hospital Universitario 12 de Octubre and Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain.,Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.,Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Kurt Huber
- 3rd Medical Department, Cardiology and Intensive Care Medicine, Clinic Ottakring (Wilhelminenhospital), Vienna, Austria.,Medical Faculty, Sigmund Freud University, Vienna, Austria
| | - Vijay Kunadian
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK.,Cardiothoracic Centre, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Sergio Leonardi
- University of Pavia, Pavia, Italy.,Fondazione IRCCS Policlinico S.Matteo, Pavia, Italy
| | - Maddalena Lettino
- Cardio-Thoracic and Vascular Department, San Gerardo Hospital, ASST-Monza, Monza, Italy
| | - Dejan Milasinovic
- Department of Cardiology, University Clinical Center of Serbia and Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Chris P Gale
- Leeds Institute for Cardiovascular and Metabolic Medicine, University of Leeds, LS2 9JT Leeds, UK.,Leeds Institute of Data Analytics, University of Leeds, LS2 9JT Leeds, UK.,Department of Cardiology, Leeds Teaching Hospitals NHS Trust, LS1 3EX Leeds, UK
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Bhuvaneswari K, Sreeja BS, Radha S, Saranya J, Palanisamy G, Srinivasan M, Pazhanivel T. Facile assembly of effective carbon quantum dots and multiwall carbon nanotubes supported MnO2 hybrid nanoparticles for enhanced photocatalytic and anticancer activity. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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6
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Goldsworthy NC, Srinivasan M, Smallhorn‐West P, Cheah L, Munday PL, Jones GP. Life-history constraints, short adult life span and reproductive strategies in coral reef gobies of the genus Trimma. J Fish Biol 2022; 101:996-1007. [PMID: 35818109 PMCID: PMC9796689 DOI: 10.1111/jfb.15161] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 07/05/2022] [Indexed: 05/26/2023]
Abstract
Body size influences many life-history traits, with small-bodied animals tending to have short life spans, high mortality and greater reproductive effort early in life. In this study, the authors investigated the life-history traits and reproductive strategies of three small-bodied coral reef gobies of the genus Trimma: Trimma benjamini, Trimma capostriatum and Trimma yanoi. The authors found all Trimma species studied attained a small body size of <25 mm, had a short life span of <140 days and experienced high estimated daily mortality of 3.0%-6.7%. Furthermore, the pelagic larval phase accounted for 25.3%-28.5% of the maximum life span, and maturation occurred between 74.1 and 82.1 days at 15.2-15.8 mm, leaving only 35%-43% of the total life span as a reproductively viable adult. All mature individuals had gonad structures consistent with bidirectional sex change, with bisexual gonads including both ovarian and testicular portions separated by a thin wall of connective tissue. In the female and male phases, only ovaries or testes were mature, whereas gonadal tissue of the non-active sex remained. One T. benjamini individual and one T. yanoi individual had ovarian and testicular tissue active simultaneously. The results of this study highlight the life-history challenges small CRFs face on their path to reproduction and reproductive strategies that could be beneficial in fishes with high and unpredictable mortality and short reproductive life spans.
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Affiliation(s)
- Nisha C. Goldsworthy
- Australian Research Council Centre of Excellence for Coral Reef StudiesJames Cook UniversityTownsvilleQueenslandAustralia
- Marine Biology and AquacultureJames Cook UniversityTownsvilleQueenslandAustralia
- College of Science and EngineeringJames Cook UniversityTownsvilleQueenslandAustralia
| | - Maya Srinivasan
- Marine Biology and AquacultureJames Cook UniversityTownsvilleQueenslandAustralia
- College of Science and EngineeringJames Cook UniversityTownsvilleQueenslandAustralia
| | - Patrick Smallhorn‐West
- Australian Research Council Centre of Excellence for Coral Reef StudiesJames Cook UniversityTownsvilleQueenslandAustralia
- WorldFishBayan LepasPenangMalaysia
| | - Lit‐Chien Cheah
- Division of Tropical Environments & SocietiesJames Cook UniversityTownsvilleQueenslandAustralia
| | - Philip L. Munday
- Australian Research Council Centre of Excellence for Coral Reef StudiesJames Cook UniversityTownsvilleQueenslandAustralia
| | - Geoffrey P. Jones
- Australian Research Council Centre of Excellence for Coral Reef StudiesJames Cook UniversityTownsvilleQueenslandAustralia
- Marine Biology and AquacultureJames Cook UniversityTownsvilleQueenslandAustralia
- College of Science and EngineeringJames Cook UniversityTownsvilleQueenslandAustralia
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7
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Bangaru S, Madhu G, Srinivasan M, Manivannan P. Exploring flexibility, intermolecular interactions and ADMET profiles of anti-influenza agent isorhapontigenin: A quantum chemical and molecular docking study. Heliyon 2022; 8:e10122. [PMID: 36039137 PMCID: PMC9418217 DOI: 10.1016/j.heliyon.2022.e10122] [Citation(s) in RCA: 3] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 01/07/2022] [Accepted: 07/25/2022] [Indexed: 12/05/2022] Open
Abstract
Isorhapontigenin (IRPG) drug emerges as promising efficient inhibitor for H1N1 and H3N2 subtypes which belong to influenza A virus; reported with IC50 value of 35.62 and 63.50 μM respectively. When experimental data are compared to the predicted geometrical parameters and vibrational assignments (FT-IR and FT-Raman), the findings indicated a strong correlation. The absorption bands of π→π∗ transitions are revealed through UV-Vis electronic properties; this confirms that the IRPG molecule shows strong bands. Through NBO and HOMO-LUMO analysis, the kinetic stability and chemical reactivity of the IRPG molecule were investigated. By using an MEP map, the IRPG's electrophilic and nucleophilic site selectivity was assessed. In a molecular docking investigation, the IRPG molecule shows a stronger inhibition constant and binding affinity for the H1N1 and H3N2 influenza virus. The IRPG molecule thus reveals good biological actions in nature and can be used as a potential therapeutic drug candidate for H1N1 and H3N2 virus A influenza.
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Affiliation(s)
- Sathya Bangaru
- Department of Physics, Periyar University PG Extension Centre, Dharmapuri, 636 701, Tamilnadu, India.,SSN Research Centre, SSN College of Engineering, Kalavakkam, Chennai, 603 110, Tamilnadu, India
| | - Govindammal Madhu
- Department of Physics, Periyar University PG Extension Centre, Dharmapuri, 636 701, Tamilnadu, India
| | - M Srinivasan
- SSN Research Centre, SSN College of Engineering, Kalavakkam, Chennai, 603 110, Tamilnadu, India
| | - Prasath Manivannan
- Department of Physics, Periyar University PG Extension Centre, Dharmapuri, 636 701, Tamilnadu, India
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8
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Gue YX, Kanji R, Wellsted D, Srinivasan M, Wyatt S, Gorog D. A randomised trial on modulating endogenous fibrinolysis in patients with acute coronary syndrome VaLiDate-R. Cardiovasc Res 2022. [DOI: 10.1093/cvr/cvac066.215] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Private company. Main funding source(s): This study is funded by Bayer PLC, 400 South Oak Way, Green Park, Reading, Berkshire, RG2 6AD.
Background
Impaired endogenous fibrinolysis is novel biomarker that can identify patients with ACS at increased cardiovascular risk. The addition of very low dose rivaroxaban (VLDR) to dual antiplatelet therapy has been shown to reduce cardiovascular events but at a cost of increased bleeding and is therefore not suitable for all-comers. Targeted additional pharmacotherapy with VLDR to improve endogenous fibrinolysis may improve outcomes in high-risk patients, whilst avoiding unnecessary bleeding in low-risk individuals.
Methods and Results
The VaLiDate-R study is an investigator-initiated, randomised, open-label, single centre trial comparing the effect of 3 antithrombotic regimens on endogenous fibrinolysis in 150 patients with ACS. Subjects whose screening blood test shows impaired fibrinolytic status (lysis time >2000s), will be randomised to one of 3 treatment arms in a 1:1:1 ratio: clopidogrel 75 mg daily (Group 1); clopidogrel 75 mg daily plus rivaroxaban 2.5 mg twice daily (Group 2); ticagrelor 90 mg twice daily (Group 3), in addition to aspirin 75 mg daily. Rivaroxaban will be given for 30 days. Fibrinolytic status will be assessed during admission and at 2, 4 and 8 weeks. The primary outcome measure is the change in fibrinolysis time from admission to 4 weeks follow-up, using the Global Thrombosis Test.
Conclusion
If VLDR can improve endogenous fibrinolysis in ACS, future large-scale studies would be required to assess whether targeted use of VLDR in patients with ACS and impaired fibrinolysis can translate into improved clinical outcomes, with reduction in major adverse cardiovascular events in this high-risk cohort.
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Affiliation(s)
- Y X Gue
- University of Liverpool , Liverpool , United Kingdom of Great Britain & Northern Ireland
| | - R Kanji
- Imperial College London, National Heart and Lung Institute , London , United Kingdom of Great Britain & Northern Ireland
| | - D Wellsted
- University Of Hertfordshire , Hatfield , United Kingdom of Great Britain & Northern Ireland
| | - M Srinivasan
- East and North Hertfordshire NHS Trust , Stevenage , United Kingdom of Great Britain & Northern Ireland
| | - S Wyatt
- University Of Hertfordshire , Hatfield , United Kingdom of Great Britain & Northern Ireland
| | - D Gorog
- Imperial College London, National Heart and Lung Institute , London , United Kingdom of Great Britain & Northern Ireland
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9
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Rentzeperis F, Srinivasan M, Wallace D. Abstract A037: Mathematical modeling of the tumor-immune microenvironment in murine colon adenocarcinoma. Cancer Res 2022. [DOI: 10.1158/1538-7445.evodyn22-a037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Colon cancer is currently the fourth most common cancer in the United States, impacting over 100,000 people every year with increasingly younger patients affected by the malignancy. As a result, it is imperative to better understand the mechanisms that are involved in the development of colon cancer within the body. The intestine houses the largest compartment of the human body’s immune system, and the intestinal immune system has been implicated in the development of disease and malignancy of both the colon itself and other organ systems throughout the body. In particular, the colon contains high numbers of IgA antibodies (produced by B-cells) in conjunction with regulatory T cells (Treg). Because of the colon’s rich immune system involvement, we are interested in recapitulating several of the immune components and their roles in both targeting tumors and aiding tumors in their aggression. We strive to develop an accurate model of anti-tumor immune cells (CD8+ T-cells, CD4+ T-cells, Natural Killer Cells, Macrophages, Dendritic Cells, Neutrophils) and immunosuppressive cells (Treg, Myeloid-Derived Suppressor Cells) and their engagement with colon adenocarcinoma. The model is built in a nested fashion, beginning with the parametrization of a model of a monolayer from cell cycle and doubling time data. Growth parameters are subsequently obtained for spheroids with no immune cells, spheroids with immune cells, allograft studies in immunocompromised mice, and allograft studies in mice with intact immune systems. The model further incorporates cell cycle stages, quiescence, necrosis, VEGF and TNF-alpha production, and vascularization of the in vivo tumors. The data used to parametrize our model is obtained from literature centered around experiments with CT26 BALB/c murine colon adenocarcinoma both in vitro and in vivo. This cell line is of particular interest because of the large body of publications that utilize it and because the cells form tumors in both immunocompromised and syngeneic BALB/c mice thereby allowing for parametrization of the in vivo model both with and without immune interaction. There are additionally experimental studies through which spheroids were generated with various immune cell infiltrates, thereby enabling more accurate parametrization of each of the immune populations and their impacts on tumor development. We thus aim to develop a novel ODE model of colon adenocarcinoma and the various immune cells that engage in the tumor microenvironment to better evaluate the impacts of these immune populations and the outcomes of immunotherapy targeted at these cells.
Citation Format: Frederika Rentzeperis, Maya Srinivasan, Dorothy Wallace. Mathematical modeling of the tumor-immune microenvironment in murine colon adenocarcinoma [abstract]. In: Proceedings of the AACR Special Conference on the Evolutionary Dynamics in Carcinogenesis and Response to Therapy; 2022 Mar 14-17. Philadelphia (PA): AACR; Cancer Res 2022;82(10 Suppl):Abstract nr A037.
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10
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Srinivasan M, Pasdar M, O’Brien S, Tchouaffe J, Datar A, Kuo M, Reynolds E, Terpilowski M, McCann C, Hanley P. Process Development and Manufacturing: FROZEN PEPMIX PULSED/IRRAIATED DENDRITIC CELLS AS ANTIGEN PRESENTING CELLS TO GENERATE MULTI-TUMOR-ANTIGEN REACTIVE T-CELLS. Cytotherapy 2022. [DOI: 10.1016/s1465-3249(22)00452-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Abstract
BACKGROUND The misuse of opioids is a serious national crisis that is fueled by prescriptions medications. Opioid prescribing habits are known to be highly varied amongst providers. The purpose of this study is to identify patient and surgeon characteristics that predict postoperative opioid prescribing patterns. METHODS This is a serial cross-sectional analysis of 20,497 patients who underwent general surgical procedures at a large academic center. Our primary outcome was the total amount of opioids prescribed within 30 days of the surgery. Univariate and multivariate linear regression models were used to identify patient and provider characteristics that were associated with increased opioids prescribed. RESULTS Among patient characteristics studied, patient age, sex, ethnicity, and insurance status were found to have a significant association with the amount of opioids prescribed. Younger patients and male patients received higher morphine milligram equivalents (MMEs) on discharge (p < 0.05). Patients of Hispanic background were prescribed significantly lower opioids compared to Non-Hispanic patients (p < 0.0001). Among the provider characteristics studied, surgeon sex and years in practice were significantly predictive of the amount of opioids prescribed, with surgeons in practice for <15 years prescribing the highest MMEs (p < 0.0001). CONCLUSION While opioid prescribing habits after surgery seem highly varied and arbitrary, we have identified key predictors that highlight biases in surgeon opioid prescribing patterns. Surgeons tend to prescribe significantly larger amounts of opioids to younger, male patients and those of certain ethnic backgrounds, and surgeons with fewer years in practice are more likely to prescribe more opioids.
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Affiliation(s)
- Shruti Zaveri
- Department of Surgery, Icahn School of Medicine, Mount Sinai Hospital, 1 Gustave L Levy Place, New York, 10023, USA
| | - Tamar B Nobel
- Department of Surgery, Icahn School of Medicine, Mount Sinai Hospital, 1 Gustave L Levy Place, New York, 10023, USA
| | - Prerna Khetan
- Department of Surgery, Icahn School of Medicine, Mount Sinai Hospital, 1 Gustave L Levy Place, New York, 10023, USA
| | - Maya Srinivasan
- Department of Surgery, Icahn School of Medicine, Mount Sinai Hospital, 1 Gustave L Levy Place, New York, 10023, USA
| | - Celia M Divino
- Department of Surgery, Icahn School of Medicine, Mount Sinai Hospital, 1 Gustave L Levy Place, New York, 10023, USA.
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12
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Barbasch TA, Branconi R, Francis R, Pacaro M, Srinivasan M, Jones GP, Buston PM. Negotiations over parental care: a test of alternative hypotheses in the clown anemonefish. Behav Ecol 2021. [DOI: 10.1093/beheco/arab092] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
In species with biparental care, conflict arises over how much each parent provides to their offspring because both parents benefit from shifting the burden of care to the other. Here, we tested alternative hypotheses for how parents will negotiate offspring care using a wild population of clownfish (Amphiprion percula). We experimentally handicapped parents by fin-clipping the female in 23 groups, the male in 23 groups, and neither parent in 23 groups and measured changes in indicators of female, male, and pair effort in response to handicapping. First, we found that handicapping resulted in a decrease in the number of eggs laid by fin-clipped females and a decrease in the amount of parental care by fin-clipped males. Second, contrary to predictions, female effort did not change in response to the male being handicapped, or vice versa. Finally, the number of embryos that matured to hatching, an indicator of pair effort, was not influenced by the manipulation, suggesting that although the handicap was effective, clownfish do not face the predicted “cost to conflict” when one parent is handicapped. Together, these results test the generality of theoretical predictions and uncover novel questions about whether and how negotiations operate in systems where interests are aligned.
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Affiliation(s)
- Tina A Barbasch
- Department of Biology and Marine Program, Boston University, Boston, MA, USA
| | - Rebecca Branconi
- Department of Biology and Marine Program, Boston University, Boston, MA, USA
| | - Robin Francis
- Department of Biology and Marine Program, Boston University, Boston, MA, USA
| | - Madison Pacaro
- Department of Biology and Marine Program, Boston University, Boston, MA, USA
| | - Maya Srinivasan
- ARC Centre of Excellence for Coral Reef Studies, and College of Science and Engineering, Townsville, Queensland, Australia
| | - Geoffrey P Jones
- ARC Centre of Excellence for Coral Reef Studies, and College of Science and Engineering, Townsville, Queensland, Australia
| | - Peter M Buston
- Department of Biology and Marine Program, Boston University, Boston, MA, USA
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13
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Srinivasan M, Taylor AM, Long GV, Herkes G, King GG. Acute bilateral phrenic nerve neuropathy causing hypercapnic respiratory associated with checkpoint inhibitor immunotherapy. Respir Med Case Rep 2021; 34:101533. [PMID: 34745870 PMCID: PMC8554264 DOI: 10.1016/j.rmcr.2021.101533] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/12/2021] [Accepted: 10/19/2021] [Indexed: 11/16/2022] Open
Abstract
We present two cases of acute hypercapnic respiratory failure due to diaphragmatic dysfunction secondary to bilateral phrenic nerve paralysis, in patients who were receiving immunotherapy for melanoma. Bilateral diaphragmatic paralysis is an uncommon cause of acute or sub-acute hypercapnic respiratory failure which causes severe breathlessness, orthopnoea and potentially death. Immune checkpoint inhibitors are now standard of care in several solid organ malignancies. However, their use is associated with a risk of developing autoimmune toxicities, which includes mononeuritis. Our two cases demonstrate the potential difficulties in recognising acute hypercapnic respiratory failure and diagnosis of the rare disorder of bilateral diaphragmatic dysfunction, with consequent delays in appropriate management. The occurrence of this rare condition in association with checkpoint inhibitor immunotherapy suggests a possible autoimmune mechanism. Awareness that this rare cause of respiratory failure may occur in patients receiving checkpoint inhibitor therapy might facilitate earlier diagnosis and treatment.
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Affiliation(s)
- M Srinivasan
- Royal North Shore Hospital, Department of Respiratory Medicine, Royal North Shore Hospital, Reserve Rd, St Leonards, 2065, Australia.,Faculty of Medicine and Health, The University of Sydney, Australia
| | - A M Taylor
- Melanoma Institute Australia, The University of Sydney, Sydney, Australia
| | - G V Long
- Faculty of Medicine and Health, The University of Sydney, Australia.,Melanoma Institute Australia, The University of Sydney, Sydney, Australia.,Royal North Shore Hospital, Department of Medical Oncology, Royal North Shore Hospital, Reserve Rd, St Leonards, 2065, Australia
| | - G Herkes
- Faculty of Medicine and Health, The University of Sydney, Australia.,Royal North Shore Hospital, Department of Neurology, Royal North Shore Hospital, Reserve Rd, St Leonards, 2065, Australia
| | - G G King
- Royal North Shore Hospital, Department of Respiratory Medicine, Royal North Shore Hospital, Reserve Rd, St Leonards, 2065, Australia.,Faculty of Medicine and Health, The University of Sydney, Australia
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14
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Srinivasan M, Val S, Ulrey R, Chonchoro H, Datar A, Bollard C, Kuo M, Peshwa M, Hanley P. 50+ fold scale-up in cGMP manufacture of multi-antigen reactive allogeneic T-cells to permit 25-fold higher dosing than the highest dose infused in prior human trials. Cytotherapy 2021. [DOI: 10.1016/s1465324921005594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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15
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Srinivasan M, Adnane M, Archunan G. Significance of cervico-vaginal microbes in bovine reproduction and pheromone production - A hypothetical review. Res Vet Sci 2021; 135:66-71. [PMID: 33450498 DOI: 10.1016/j.rvsc.2021.01.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [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: 10/16/2020] [Revised: 12/10/2020] [Accepted: 01/03/2021] [Indexed: 01/08/2023]
Abstract
The vaginal microbiota has been studied in animal reproduction and fertility, in particular little information of vaginal microbes in reference to bovine reproduction and pheromone production is known. The vaginal mucosa in healthy cow is colonized by an equilibrated and dynamic composition of aerobic, facultative anaerobic and obligate anaerobic microbes. Cervico-vaginal mucus (CVM) composition, viscosity and volume vary with the cyclicity and health status of the reproductive tract. In addition, CVM contains pheromones, volatile compounds, and proteins that attract males for coitus. Commensal microbiota plays a key role in protection of the genital tract from pathogenic microbes by competition effect. In the bovine species, the microbial composition, its abundance and diversity in the female gut, vagina, urine, saliva, and feces, and the associated chemical communication remains poorly documented. The impact of microbes in the reproductive tract of cow, buffalo and certain mammals are discussed in this review. Since the microbial population diversity of CVM is modified during estrus phase it presumes that it may have a role for pheromone production in conspecific. Herein, we would like to critically discuss the current state of knowledge on microbially produced signals in animals and the role of genital and CVM microbiota in estrous cycle and pregnancy.
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Affiliation(s)
- M Srinivasan
- Department of Animal Science, Bharathidasan University, Tiruchirappalli, India
| | - M Adnane
- Institute of Veterinary Sciences, University of Tiaret, Algeria.
| | - G Archunan
- Department of Animal Science, Bharathidasan University, Tiruchirappalli, India.
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16
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Saggi SJ, Nath S, Culas R, Chittalae S, Burza A, Srinivasan M, Abdul R, Silver B, Lora A, Ibtida I, Chokshi T, Capric V, Mohamed A, Worah S, OuYang J, Geraghty P, Gruessner A, Salifu MO. Early Experience With Methylprednisolone on SARS-CoV-2 Infection in the African American Population, a Retrospective Analysis. Clin Med Insights Circ Respir Pulm Med 2020; 14:1179548420980699. [PMID: 33402859 PMCID: PMC7745550 DOI: 10.1177/1179548420980699] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 11/19/2020] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Coronavirus disease-19 (COVID-19) is associated with acute kidney injury (AKI) and acute respiratory distress syndrome (ARDS) with high mortality rates. In African American (AA) populations, COVID-19 presentations and outcomes are more severe. NIH and Interim WHO guidelines had suggested against the use of corticosteroids unless in clinical trials until the recent publication of the RECOVERY trial. Here, we analyzed the treatment effect of methylprednisolone on patients with AKI and ARDS during the initial 2 months of COVID-19 and detail the learning effect within our institution. METHODS Between March 1 and April 30, 2020, 75 AA patients met our inclusion criteria for ARDS and AKI, of which 37 had received corticosteroids. Twenty-eight-day mortality, improvement in PaO2/FiO2 ratio, and renal function were analyzed. The impact of methylprednisolone treatment was assessed with multivariable methods. RESULTS Survival in the methylprednisolone group reached 51% at 21 days compared to 29% in the non-corticosteroid group (P < .001). Methylprednisolone improved the likelihood of renal function improvement. PaO2/FiO2 ratio in the methylprednisolone group improved by 73% compared to 45% in the non-corticosteroid group (P = .01). Age, gender, BMI, preexisting conditions, and other treatment factors did not show any impact on renal or PaO2/FiO2 ratio improvement. The use of anticoagulants, the month of treatment, and AKI during hospitalization also influenced outcomes. CONCLUSION In AA COVID-19 positive patients with ARDS and AKI, IV methylprednisolone lowered the incidence of mortality and improved the likelihood of renal and lung function recovery. Further investigation with a randomized control trial of corticosteroids is warranted.
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Affiliation(s)
- Subodh J Saggi
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Sridesh Nath
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | | | - Seema Chittalae
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Aaliya Burza
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Maya Srinivasan
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Rishard Abdul
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Benjamin Silver
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Alnardo Lora
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Ishmam Ibtida
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Tanuj Chokshi
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Violeta Capric
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Ammar Mohamed
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Samrat Worah
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Jie OuYang
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Patrick Geraghty
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Angelika Gruessner
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
| | - Moro O Salifu
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY, USA
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17
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Natarajan SK, Srinivasan M, Kumar A, Nag A, Kang G, John J. Trends in hospitalization among children: Findings from a prospective pediatric cohort for fever surveillance established in Vellore, South India. Int J Infect Dis 2020. [DOI: 10.1016/j.ijid.2020.09.573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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18
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Kulandaipalayam Natarajan S, Srinivasan M, Senthil Kumar J, Abraham P, Anandan S, Balaji V, Mohan V, Kang G, John J. Hepatitis A outbreak with the concurrence of Salmonella Typhi and Salmonella Poona infection in children of urban Vellore, south India. Int J Infect Dis 2020. [DOI: 10.1016/j.ijid.2020.11.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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19
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Srinivasan M, Giri S, Natarajan SK, Kumar N, Mohan V, Grassly N, John J, Kang G. Stool shedding of Salmonella Typhi in children with blood culture-confirmed typhoid fever. Int J Infect Dis 2020. [DOI: 10.1016/j.ijid.2020.09.337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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20
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McKenna G, Janssens B, Srinivasan M, Brocklehurst P, Tsakos G. Who is caring for the oral health of dependent institutionalised elderly during the COVID‐19 pandemic? Gerodontology 2020; 37:315-316. [DOI: 10.1111/ger.12504] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- G. McKenna
- Centre for Public Health Queens University Belfast Belfast UK
| | - B. Janssens
- Department of Oral Health Sciences Ghent University Ghent Belgium
| | - M. Srinivasan
- Centre of Dental Medicine University of Zurich Zurich Switzerland
| | | | - G. Tsakos
- Department of Epidemiology and Public Health University College London London UK
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21
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Branconi R, Barbasch TA, Francis RK, Srinivasan M, Jones GP, Buston PM. Ecological and social constraints combine to promote evolution of non-breeding strategies in clownfish. Commun Biol 2020; 3:649. [PMID: 33159133 PMCID: PMC7648053 DOI: 10.1038/s42003-020-01380-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [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: 05/20/2020] [Accepted: 10/15/2020] [Indexed: 12/11/2022] Open
Abstract
Individuals that forgo their own reproduction in animal societies represent an evolutionary paradox because it is not immediately apparent how natural selection can preserve the genes that underlie non-breeding strategies. Cooperative breeding theory provides a solution to the paradox: non-breeders benefit by helping relatives and/or inheriting breeding positions; non-breeders do not disperse to breed elsewhere because of ecological constraints. However, the question of why non-breeders do not contest to breed within their group has rarely been addressed. Here, we use a wild population of clownfish (Amphiprion percula), where non-breeders wait peacefully for years to inherit breeding positions, to show non-breeders will disperse when ecological constraints (risk of mortality during dispersal) are experimentally weakened. In addition, we show non-breeders will contest when social constraints (risk of eviction during contest) are experimentally relaxed. Our results show it is the combination of ecological and social constraints that promote the evolution of non-breeding strategies. The findings highlight parallels between, and potential for fruitful exchange between, cooperative breeding theory and economic bargaining theory: individuals will forgo their own reproduction and wait peacefully to inherit breeding positions (engage in cooperative options) when there are harsh ecological constraints (poor outside options) and harsh social constraints (poor inside options).
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Affiliation(s)
- Rebecca Branconi
- Department of Biology, Boston University, 5 Cummington Mall 101, Boston, MA, 02215, USA.
| | - Tina A Barbasch
- Department of Biology, Boston University, 5 Cummington Mall 101, Boston, MA, 02215, USA
| | - Robin K Francis
- Department of Biology, Boston University, 5 Cummington Mall 101, Boston, MA, 02215, USA
| | - Maya Srinivasan
- ARC Centre of Excellence for Coral Reef Studies, and College of Science & Engineering, James Cook University, Townsville, 4811, QLD, Australia
| | - Geoffrey P Jones
- ARC Centre of Excellence for Coral Reef Studies, and College of Science & Engineering, James Cook University, Townsville, 4811, QLD, Australia
| | - Peter M Buston
- Department of Biology, Boston University, 5 Cummington Mall 101, Boston, MA, 02215, USA
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22
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Shiratsuchi S, MacDonald C, Srinivasan M, Jones GP. Sexual dimorphism in the horn size of a pair-forming coral reef butterflyfish. PLoS One 2020; 15:e0240294. [PMID: 33031445 PMCID: PMC7544049 DOI: 10.1371/journal.pone.0240294] [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] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 09/24/2020] [Indexed: 11/23/2022] Open
Abstract
Sexual dimorphism is a common in the animal kingdom and is often linked to mate choice or competition for mates in polygynous mating systems. However, sexual dimorphism is less common in species that form heterosexual pairs and has not been recorded in pair-forming coral-reef fish. Here we demonstrate a pronounced morphological difference between males and females in the humphead bannerfish (Heniochus varius)—a pair-forming coral reef butterflyfish. Males of paired individuals collected in Kimbe Bay, Papua New Guinea had substantially larger hump and horn protrusions on their heads than females. Fish were also sexed, sized and aged to determine the reproductive and demographic basis of the pairing behaviour. H. varius pairs were exclusively heterosexual and were assorted strongly by total length and slightly less so by age. Females in pairs were generally the same size as male partners, but were frequently older by a year and sometimes more. Hump and horn lengths increased proportionally to body-size in both sexes, with horns growing at a greater rate among males. These findings suggest that H. varius form pairs primarily for reproductive purposes, with selection via a size-assortative process that likely also extends to selection for larger hump and horn protrusions among males. The larger humps and horns in males appear to be the first recorded example of a secondary sexual morphological characteristic in a pair-forming coral reef fish species.
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Affiliation(s)
- Satoshi Shiratsuchi
- ARC Centre of Excellence for Coral Reef Studies, College of Science and Engineering, James Cook University, Townsville, QLD, Australia
- * E-mail:
| | - Chancey MacDonald
- ARC Centre of Excellence for Coral Reef Studies, College of Science and Engineering, James Cook University, Townsville, QLD, Australia
- California Academy of Sciences, San Francisco, CA, United States of America
| | - Maya Srinivasan
- ARC Centre of Excellence for Coral Reef Studies, College of Science and Engineering, James Cook University, Townsville, QLD, Australia
| | - Geoffrey P. Jones
- ARC Centre of Excellence for Coral Reef Studies, College of Science and Engineering, James Cook University, Townsville, QLD, Australia
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Barbasch TA, Rueger T, Srinivasan M, Wong MYL, Jones GP, Buston PM. Substantial plasticity of reproduction and parental care in response to local resource availability in a wild clownfish population. OIKOS 2020. [DOI: 10.1111/oik.07674] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
| | - Theresa Rueger
- Dept of Biology and Marine Program, Boston Univ. Boston MA USA
| | - Maya Srinivasan
- ARC Centre of Excellence for Coral Reef Studies, and College of Science and Engineering, James Cook Univ. Townsville QLD Australia
| | - Marian Y. L. Wong
- Centre for Sustainable Ecosystems Solutions, School of Biological Sciences, Univ. of Wollongong Wollongong NSW Australia
| | - Geoffrey P. Jones
- ARC Centre of Excellence for Coral Reef Studies, and College of Science and Engineering, James Cook Univ. Townsville QLD Australia
| | - Peter M. Buston
- Dept of Biology and Marine Program, Boston Univ. Boston MA USA
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Zaveri S, Nobel TB, Khetan P, Dayal VK, Srinivasan M, Divino CM. The Opioid Give and Take: The Effect of Overprescribing on Patient Opioid Consumption Patterns Following Ambulatory Surgery. Am Surg 2020; 86:549-550. [PMID: 32684033 DOI: 10.1177/0003134820920210] [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: 11/17/2022]
Affiliation(s)
- Shruti Zaveri
- 5925 Department of Surgery, Mount Sinai Hospital, New York, NY, USA
| | - Tamar B Nobel
- 5925 Department of Surgery, Mount Sinai Hospital, New York, NY, USA
| | - Prerna Khetan
- 5925 Department of Surgery, Mount Sinai Hospital, New York, NY, USA
| | - Viren K Dayal
- 5925 Department of Surgery, Mount Sinai Hospital, New York, NY, USA
| | - Maya Srinivasan
- 5925 Department of Surgery, Mount Sinai Hospital, New York, NY, USA
| | - Celia M Divino
- 5925 Department of Surgery, Mount Sinai Hospital, New York, NY, USA
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McFarlane IM, Bhamra MS, Amarnani A, Zhaz SY, Kolla S, Alvarez MR, Mo G, Srinivasan M, Hevroni G, Meisel T, Hasan A, Baguidy MS, Hadaddin M, Melamed A, Koci K, Taklalsingh N, Pathiparampil J, Freeman L, Kaplan I, Kabani N, Ozeri DJ, Watler E, Frefer M, Vaitkus V, Matthew K, Arroyo-Mercado F, Lyo H, Feoktistov A, Sanchez R, Soliman F, Valdez FR, Dronamraju V, Trevisonno M, Grant C, Clerger G, Sun K, Amin K, Dawkins M, Green J, Fahmy S, Jayarangaiah A, Waite SA, Burza A. Prevalence of Malignancy Among Urban Black Rheumatoid Arthritis Patients. Int J Clin Res Trials 2020; 5. [PMID: 32661506 DOI: 10.15344/2456-8007/2020/145] [Citation(s) in RCA: 2] [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] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
BACKGROUND Rheumatoid arthritis (RA) patients have an increased risk of malignancy with postulated risk factors that include chronic inflammation, smoking and the use of immunosuppressants have been postulated as drivers of higher malignancies rates. Our study aimed to describe the prevalence and type of malignancies encountered in an urban, predominantly Black RA patient population. METHODS Cross sectional analysis of 1142 patients with RA diagnosis by ICD-codes of which 501 cases met the inclusion criteria for the study. Blacks accounted for 88.4% of the study population. Fifty-six patients had cancer recorded in their medical records and these cases were further reviewed for tumor type, timing of diagnosis and patient clinical characteristics. RESULTS The cancer prevalence was 11.2% (56/501) in our Black RA population being studied. Mean age at cancer diagnosis was 59.9 ± 5.2 for the patients who developed cancer before RA diagnosis and 58.25 ± 16.02 for those who developed malignancy after RA diagnosis. There were 18 breast cancers, 4 colon and 4 cervical cancers; for lung, multiple myeloma, thyroid, squamous cell carcinoma and pancreas there were 3 cases each; for endometrial, Non-Hodgkin's lymphoma, meningioma and prostate, 2 cases each and 1 each for urinary bladder, esophageal adenocarcinoma, lymphoma, glioblastoma, liver, Hodgkin's lymphoma, sarcoma, ovary and renal cell carcinoma. No differences were found in years of RA duration, joint erosion, joint space narrowing or SENS score except for significantly higher ESR among the cancer group and RF seropositivity in the non-cancer group.Therapeutic modalities were not significantly different between the cancer and no cancer groups. CONCLUSION Breast cancer was the most prevalent malignancy among our Black RA population. Further studies are needed to identify the contributing factors to the malignancy risk of breast cancer in our Black RA population and whether it is gender-related since RA is more prevalence in women.
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Affiliation(s)
- Isabel M McFarlane
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Manjeet S Bhamra
- Department of Medicine, Division of Rheumatology SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Abhimnayu Amarnani
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Su Yien Zhaz
- NCH Healthcare System Department of Rheumatology, Naples, FL 34110, USA
| | - Srinivas Kolla
- Department of Radiology SUNY Downstate Medical Center/Health and Hospitals Kings County, Brooklyn, NY 11203, USA
| | - Milena Rodriguez Alvarez
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - George Mo
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Maya Srinivasan
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Gil Hevroni
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Talia Meisel
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Abida Hasan
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Marie S Baguidy
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Michael Hadaddin
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Adielle Melamed
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Kristaq Koci
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Nicholas Taklalsingh
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Joshy Pathiparampil
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Latoya Freeman
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Ian Kaplan
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Naureen Kabani
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | | | - Elsie Watler
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Mosab Frefer
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Vytas Vaitkus
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Keron Matthew
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Fray Arroyo-Mercado
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Helen Lyo
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Aleksander Feoktistov
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Randolph Sanchez
- Department of Rheumatology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Faisal Soliman
- Department of Internal Medicine, Baptist Memorial Hospital-Tipton, 1995 Highway 51, South Covington, TN 38019, USA
| | - Felix Reyes Valdez
- Department of Pulmonary and Critical Care, Montefiore Medical Center Albert Einstein College of Medicine, Bronx, NY 10468, USA
| | - Veena Dronamraju
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Michael Trevisonno
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Christon Grant
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Guerrier Clerger
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Kunfeng Sun
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Khabbab Amin
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Makeda Dawkins
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Jason Green
- Department of Medicine, Division of Rheumatology SUNY Downstate Medical Center/Health and Hospitals/Kings County, Brooklyn, NY 11203, USA
| | - Samir Fahmy
- NCH Healthcare System Department of Rheumatology, Naples, FL 34110, USA
| | - Apoorva Jayarangaiah
- Department of Internal Medicine, NYC Health and Hospitals/Jacobi Medical Center, Bronx, NY, USA
| | - Stephen Anthony Waite
- Department of Radiology SUNY Downstate Medical Center/Health and Hospitals Kings County, Brooklyn, NY 11203, USA
| | - Aaliya Burza
- Department of Medicine, Division of Pulmonary and Critical Care State, SUNY Downstate Medical Center/Health and Hospitals Kings County, Brooklyn, NY 11203, USA
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Salles OC, Almany GR, Berumen ML, Jones GP, Saenz‐Agudelo P, Srinivasan M, Thorrold SR, Pujol B, Planes S. Strong habitat and weak genetic effects shape the lifetime reproductive success in a wild clownfish population. Ecol Lett 2019; 23:265-273. [DOI: 10.1111/ele.13428] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 10/11/2019] [Accepted: 10/24/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Océane C. Salles
- PSL Université Paris: EPHE‐UPVD‐CNRS USR 3278 CRIOBE Université de Perpignan 52 Avenue Paul Alduy 66860 Perpignan Cedex France
- Laboratoire d’Excellence ‘CORAIL’ 58 avenue Paul Alduy F‐66360 Perpignan France
| | - Glenn R. Almany
- PSL Université Paris: EPHE‐UPVD‐CNRS USR 3278 CRIOBE Université de Perpignan 52 Avenue Paul Alduy 66860 Perpignan Cedex France
- Laboratoire d’Excellence ‘CORAIL’ 58 avenue Paul Alduy F‐66360 Perpignan France
| | - Michael L. Berumen
- Red Sea Research Center Division of Biological and Environmental Sciences and Engineering King Abdullah University of Science and Technology Thuwal 23955 Saudi Arabia
| | - Geoffrey P. Jones
- ARC Centre of Excellence for Coral Reef Studies, and College of Science and Engineering James Cook University Townsville Qld 4811 Australia
| | - Pablo Saenz‐Agudelo
- Instituto de Ciencias Ambientales y Evolutivas Universidad Austral de Chile 5090000 Valvidia Chile
| | - Maya Srinivasan
- ARC Centre of Excellence for Coral Reef Studies, and College of Science and Engineering James Cook University Townsville Qld 4811 Australia
| | - Simon R. Thorrold
- Biology Department Woods Hole Oceanographic Institution Woods Hole MA 02543 USA
| | - Benoit Pujol
- PSL Université Paris: EPHE‐UPVD‐CNRS USR 3278 CRIOBE Université de Perpignan 52 Avenue Paul Alduy 66860 Perpignan Cedex France
- Laboratoire d’Excellence ‘CORAIL’ 58 avenue Paul Alduy F‐66360 Perpignan France
| | - Serge Planes
- PSL Université Paris: EPHE‐UPVD‐CNRS USR 3278 CRIOBE Université de Perpignan 52 Avenue Paul Alduy 66860 Perpignan Cedex France
- Laboratoire d’Excellence ‘CORAIL’ 58 avenue Paul Alduy F‐66360 Perpignan France
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Adatia K, Farag M, Gue YX, Srinivasan M, Gorog DA. P327Predictive value of platelet reactivity, neutrophil to lymphocyte ratio, and hs-CRP at presentation in patients with ST-elevation myocardial infarction treated with percutaneous coronary intervention. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz747.0162] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Patients with ST-elevation myocardial infarction (STEMI) exhibit enhanced platelet reactivity and a rise in inflammatory biomarkers such as neutrophil to lymphocyte ratio (NLR) and high-sensitivity C-reactive protein (hs-CRP). The extent of the prothrombotic and inflammatory state are predictive of adverse outcomes in patients with acute coronary syndromes. The relationship of these markers of inflammation and thrombosis in the hyperacute phase of STEMI and, whether together, they improve cardiovascular outcome prediction, is not known.
Purpose
The aim of this study was to assess the individual and combined predictive values of NLR, hs-CRP, and platelet reactivity for clinical outcomes in patients with STEMI.
Method
In a prospective study of 541 patients presenting with STEMI, acute admission bloods taken prior to emergency percutaneous coronary intervention, were analysed for NLR and hs-CRP. Platelet reactivity was measured using the point-of-care Global Thrombosis Test, which assesses platelet reactivity in native whole blood under high shear, and measures the occlusion time (OT, sec). Shorter occlusion time represents higher platelet reactivity. The study endpoint was occurrence of major adverse cardiovascular events (MACE, defined as composite of cardiovascular death [CVD], myocardial infarction [MI] or stroke [CVA]) at 30 days and 12 months.
Results
There was a weak, but significant, correlation between hs-CRP and NLR (r=0.25, p<0.001), and hs-CRP and platelet reactivity (r=0.14, p=0.003) on admission. There was no correlation between platelet reactivity and NLR. Amongst 541 patients, 42 patients experienced a MACE within the first 30 days, and 50 within 12 months. Cut-values associated with the highest specificity and sensitivity for 12-month MACE were NLR 5.6, hs-CRP 8 mg/L and OT 302 sec. Platelet reactivity and hs-CRP were each only weakly predictive of MACE at 30 days (platelet reactivity: hazard ratio [HR] 1.004 [95% confidence interval (CI) 1.002–1.006,] p<0.001; hs-CRP: HR 1.005 [95% CI 1.0009–1.009], p=0.016) and 12 months (platelet reactivity HR 1.004 (95% CI 1.002–1.006), p<0.001; hs-CRP HR 1.005 (95% CI 1.001–1.01), p=0.014). NLR was not predictive of MACE at either 30 days or 12 months (p=NS). When patients were divided into quartiles based on hs-CRP and platelet reactivity, patients in the highest quartile for both hs-CRP and platelet reactivity had an HR 3.46 (95% CI 1.81–6.63), p<0.001 compared to those in the lowest quartile for both (HR 0.04 (95% CI 0.005–0.27), p=0.001). The combination of enhanced platelet reactivity and raised hs-CRP was the strongest predictor of MACE at 30 days (HR 2.32 [95% CI 1.71–3.13], p<0.001) and 12 months (HR 2.31 [95% CI 1.71–3.11], p<0.001).
Conclusion
Both hs-CRP and platelet reactivity are very weakly predictive of MACE, but in combination provide a strong predictor of adverse outcome in STEMI.
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Affiliation(s)
- K Adatia
- East and North Hertfordshire NHS Trust, Hertfordshire, United Kingdom
| | - M Farag
- Royal Papworth Hospital NHS Foundation Trust, Cambridge, United Kingdom
| | - Y X Gue
- East and North Hertfordshire NHS Trust, Hertfordshire, United Kingdom
| | - M Srinivasan
- East and North Hertfordshire NHS Trust, Hertfordshire, United Kingdom
| | - D A Gorog
- University of Hertfordshire & Imperial College, London, United Kingdom
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28
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McLeod IM, Williamson DH, Taylor S, Srinivasan M, Read M, Boxer C, Mattocks N, Ceccarelli DM. Bommies away! Logistics and early effects of repositioning 400 tonnes of displaced coral colonies following cyclone impacts on the Great Barrier Reef. Ecol Manag Restor 2019. [DOI: 10.1111/emr.12381] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Ian M. McLeod
- TropWATER (Centre for Tropical Water and Aquatic Ecosystem Research) James Cook University Townsville Queensland4811Australia
| | - David H. Williamson
- Australian Research Council Centre of Excellence for Coral Reef Studies James Cook University Townsville Queensland4811Australia
| | - Sascha Taylor
- Queensland Parks and Wildlife Service (Queensland Department of Environment and Science) Airlie Beach Queensland4802Australia
| | - Maya Srinivasan
- Australian Research Council Centre of Excellence for Coral Reef Studies James Cook University Townsville Queensland4811Australia
| | - Mark Read
- Great Barrier Reef Marine Park Authority Townsville Queensland4810Australia
| | - Craig Boxer
- Queensland Parks and Wildlife Service (Queensland Department of Environment and Science) Airlie Beach Queensland4802Australia
| | - Neil Mattocks
- Great Barrier Reef Marine Park Authority Townsville Queensland4810Australia
| | - Daniela M. Ceccarelli
- Australian Research Council Centre of Excellence for Coral Reef Studies James Cook University Townsville Queensland4811Australia
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29
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Jayarangaiah A, Kariyanna PT, Chokshi T, Srinivasan M, Asun S, Ashamalla M, Youssef I, McFarlane SI. Leukocytosis Associated with Esophageal Squamous Cell Carcinoma as a Predictor of Poor Prognosis - A Case Report and Review of Literature. Am J Med Case Rep 2019; 7:9-12. [PMID: 31485481 PMCID: PMC6724536] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Leukocytosis, specifically granulocytosis in malignancy is a common finding with various etiologies. Graulocytosis associated with esophageal cancer has not commonly been reported in case reports in the United States. Furthermore, granulocyte colony stimulating factor (G-CSF) producing tumors have been associated with a variety of cancers. However, G-CSF producing esophageal tumors are rare. The diagnosis is established through serum G-CSF levels and immunohistochemistry staining of tumor cells. Here, we report a case of a 72-year-old woman with persistent granulocytosis leading to the diagnosis of esophageal squamous cell carcinoma (ESCC). Although, our case did not report serum G-CSF levels, we strongly suspect it to be the underlying etiology in our case. Additionally, through our missed opportunity, we hope to emphasize and increase awareness of G-CSF producing ESCC.
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Affiliation(s)
- Apoorva Jayarangaiah
- Department of Internal Medicine, NYC Health and
Hospitals/Jacobi Medical Center, Bronx, N.Y., U.S.A- 10461
| | - Pramod Theetha Kariyanna
- Department of Internal Medicine, State University of New
York, Downstate Medical Center, Brooklyn, N.Y, U.S.A- 11203
| | - Tanuj Chokshi
- Department of Internal Medicine, State University of New
York, Downstate Medical Center, Brooklyn, N.Y, U.S.A- 11203
| | - Maya Srinivasan
- Department of Internal Medicine, State University of New
York, Downstate Medical Center, Brooklyn, N.Y, U.S.A- 11203
| | - Seline Asun
- Department of Internal Medicine, State University of New
York, Downstate Medical Center, Brooklyn, N.Y, U.S.A- 11203
| | - Michael Ashamalla
- Department of Internal Medicine, State University of New
York, Downstate Medical Center, Brooklyn, N.Y, U.S.A- 11203
| | - Irini Youssef
- Department of Internal Medicine, State University of New
York, Downstate Medical Center, Brooklyn, N.Y, U.S.A- 11203
| | - Samy I McFarlane
- Department of Internal Medicine, State University of New
York, Downstate Medical Center, Brooklyn, N.Y, U.S.A- 11203,Corresponding author:
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30
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Rueger T, Barbasch TA, Wong MYL, Srinivasan M, Jones GP, Buston PM. Reproductive control via the threat of eviction in the clown anemonefish. Proc Biol Sci 2018; 285:20181295. [PMID: 30464062 PMCID: PMC6253369 DOI: 10.1098/rspb.2018.1295] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [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] [Received: 06/11/2018] [Accepted: 11/01/2018] [Indexed: 11/12/2022] Open
Abstract
In social groups, high reproductive skew is predicted to arise when the reproductive output of a group is limited, and dominant individuals can suppress subordinate reproductive efforts. Reproductive suppression is often assumed to occur via overt aggression or the threat of eviction. It is unclear, however, whether the threat of eviction alone is sufficient to induce reproductive restraint by subordinates. Here, we test two assumptions of the restraint model of reproductive skew by investigating whether resource limitation generates reproductive competition and whether the threat of eviction leads to reproductive restraint in the clown anemonefish Amphiprion percula First, we use a feeding experiment to test whether reproduction is resource limited, which would create an incentive for the dominant pair to suppress subordinate reproduction. We show that the number of eggs laid increased in the population over the study period, but the per cent increase in fed groups was more than twice that in unfed groups (205% and 78%, respectively). Second, we use an eviction experiment to test whether the dominant pair evicts mature subordinates, which would create an incentive for the subordinates to forgo reproduction. We show that mature subordinates are seven times more likely to be evicted than immature subordinates of the same size. In summary, we provide experimental support for the assumptions of the restraint model by showing that resource limitation creates reproductive competition and a credible threat of eviction helps explain why subordinates forego reproduction. Transactional models of reproductive skew may apply well to this and other simple systems.
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Affiliation(s)
- T Rueger
- Department of Biology and Marine Program, Boston University, 5 Cummington Mall, Boston, MA 02215, USA
| | - T A Barbasch
- Department of Biology and Marine Program, Boston University, 5 Cummington Mall, Boston, MA 02215, USA
| | - M Y L Wong
- Centre for Sustainable Ecosystems Solutions, School of Biological Sciences, University of Wollongong, Wollongong 2522, New South Wales, Australia
| | - M Srinivasan
- College of Science and Engineering, James Cook University, Townsville 4811, Queensland, Australia
| | - G P Jones
- College of Science and Engineering, James Cook University, Townsville 4811, Queensland, Australia
- Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville 4811, Queensland, Australia
| | - P M Buston
- Department of Biology and Marine Program, Boston University, 5 Cummington Mall, Boston, MA 02215, USA
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31
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Chausson J, Srinivasan M, Jones GP. Host anemone size as a determinant of social group size and structure in the orange clownfish ( Amphiprion percula). PeerJ 2018; 6:e5841. [PMID: 30416882 PMCID: PMC6225843 DOI: 10.7717/peerj.5841] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [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: 07/03/2018] [Accepted: 09/27/2018] [Indexed: 11/20/2022] Open
Abstract
The size and structure of social groups of animals can be governed by a range of ecological factors and behavioral interactions. In small, highly site-attached coral reef fishes, group size is often constrained by the size of the habitat patch they are restricted to. However, group size may also be influenced by changes in abundance along important environmental gradients, such as depth or distance offshore. In addition, the body size and sex structure within social groups can be determined by the size of the habitat patch and the dominance relationships among group members. Here we examined the roles of ecological factors and behavioral interactions in governing group size and structure in the orange clownfish, Amphiprion percula, on inshore reefs in Kimbe Bay, Papua New Guinea. We quantified relationships between ecological variables (anemone size, depth, and distance from shore) and social group variables (group size, and total body length of the three largest individuals (ranks 1, 2, and 3)). Anemone size explained the greatest amount of variation in group variables, with strong, positive relationships between anemone surface area and group size, and total length of individuals ranked 1, 2, and 3. Group structure was also weakly correlated with increasing depth and distance from shore, most likely through the indirect effects of these environmental gradients on anemone size. Variation in group size and the lengths of ranks 2 and 3 were all closely related to the length of rank 1. Path analysis indicated that anemone size has a strong direct effect on the length of rank 1. In turn, the length of rank 1 directly affects the size of the subordinate individuals and indirectly affects the group size through its influence on subordinates. Hence, anemone size directly and indirectly controls social group size and structure in this space-limited fish species. It is also likely that anemonefish have feedback effects on anemone size, although this could not be differentiated in the path analysis.
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Affiliation(s)
- Juliette Chausson
- College of Science and Engineering, James Cook University, Townsville, QLD, Australia
| | - Maya Srinivasan
- College of Science and Engineering, James Cook University, Townsville, QLD, Australia
| | - Geoffrey P Jones
- College of Science and Engineering, James Cook University, Townsville, QLD, Australia.,ARC Center of Excellence for Coral Reef Studies, James Cook University, Townsville, QLD, Australia
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Abu Hishmeh M, Srivastava P, Lougheide Q, Srinivasan M, Murthy S. Massive Spontaneous Hemothorax as a Complication of Apixaban Treatment. Case Rep Pulmonol 2018; 2018:8735036. [PMID: 30410811 PMCID: PMC6206516 DOI: 10.1155/2018/8735036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 06/19/2018] [Indexed: 12/03/2022] Open
Abstract
INTRODUCTION Hemothorax is usually related to chest or iatrogenic trauma from procedures such as central lines and thoracentesis. Spontaneous hemothorax is defined as pleural fluid hematocrit greater than 50% of serum hematocrit in absence of natural or iatrogenic trauma affecting the lung or pleural space. Coagulopathy secondary to anticoagulant use has been associated with spontaneous hemothorax. We present a case of spontaneous hemothorax in a patient taking apixaban for venous thromboembolism disease. To our knowledge, this is the first case report of apixaban as a cause of spontaneous hemothorax. CASE PRESENTATION A 56-year-old woman with end-stage renal disease (ESRD) was diagnosed with upper extremity deep vein thrombosis (DVT) one month prior to presentation and was started on apixaban presented with dyspnea and left-sided pleuritic chest pain for two weeks. She was found to have left-sided large pleural effusion which was diagnosed as hemothorax. Other etiologies for spontaneous hemothorax were excluded and drainage by 12-French pigtail catheter achieved total resolution of hemothorax in three days. DISCUSSION Apixaban is a DOAC used to prevent stroke or thromboembolic events in patients with nonvalvular atrial fibrillation and to prevent recurrent venous thromboembolic disease. Events such as gastrointestinal, intracranial, and soft tissue bleeding have been well-documented. However, bleeding manifestation as hemothorax is seldom reported. Our patient presented with isolated left-sided large pleural effusion which was diagnosed as spontaneous hemothorax. 12-Fr pigtail catheter drainage was effective in the management of our patient and provided total resolution in three days. CONCLUSION Spontaneous hemothorax is a rare complication of anticoagulant therapy and might not exhibit the usual radiological signs of traumatic hemothorax. Health care providers should have high index of suspicion for spontaneous hemothorax when evaluating new pleural effusion in patients receiving DOACs therapy. Drainage by small bore pigtail catheter might be as effective as larger chest tubes.
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Affiliation(s)
- M. Abu Hishmeh
- Lincoln Medical and Mental Health Center, Westchester Medical Center, New York Medical College, USA
| | - P. Srivastava
- Lincoln Medical and Mental Health Center, Westchester Medical Center, New York Medical College, USA
| | | | | | - S. Murthy
- Lincoln Medical and Mental Health Center, USA
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Bhusal B, Kumar A, Prajna MV, Srinivasan M. Nocardia Keratitis following penetrating corneal injury treated with topical ampicillin. Nepal J Ophthalmol 2018; 8:82-86. [PMID: 28242891 DOI: 10.3126/nepjoph.v8i1.16143] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Nocardia keratitis following surgical management of penetrating corneal injury is very rare. CASE A 38-year-old male presented with a deep stromal corneal infiltration with hypopyon of 10 days duration in his left eye. He had undergone a corneal tear repair on that eye 15 days prior to the onset of keratitis. The infiltrations were along the sutured corneal tear tracts. Before presenting to us, he was treated empirically with hourly topical antifungal and antibiotic for 10 days with poor clinical response. Microbiological investigations revealed the presence of Nocardia in both smear and culture. The infiltrations responded well to fortified 5% ampicillin eye drops. CONCLUSION Although Nocardia keratitis is very rare following penetrating corneal injuries and clinically can mimic mycotic keratitis, it should also be suspected in cases not responding to standard treatment. Management of Nocardia keratitis requires a good clinical judgement with appropriate microbiological support.
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Farag M, Spinthakis N, Gue Y, Srinivasan M, Sullivan K, Wellsted D, Gorog DA. 2151Impaired endogenous fibrinolysis in STEMI patients undergoing PPCI is an independent predictor of recurrent cardiovascular events -the RISK PPCI study. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.2151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- M Farag
- East and North Hertfordshire NHS Trust, Department of Cardiology, Hertfordshire, United Kingdom
| | - N Spinthakis
- East and North Hertfordshire NHS Trust, Department of Cardiology, Hertfordshire, United Kingdom
| | - Y Gue
- East and North Hertfordshire NHS Trust, Department of Cardiology, Hertfordshire, United Kingdom
| | - M Srinivasan
- East and North Hertfordshire NHS Trust, Department of Cardiology, Hertfordshire, United Kingdom
| | - K Sullivan
- University of Hertfordshire, Postgraduate Medical School, Hertfordshire, United Kingdom
| | - D Wellsted
- University of Hertfordshire, Postgraduate Medical School, Hertfordshire, United Kingdom
| | - D A Gorog
- Imperial College London, London, United Kingdom
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Gue YX, Farag M, Spinthakis N, Anwar M, Gorog DA, Srinivasan M. P4651Incidence of MINOCA in patients presenting with STEMI for PPCI- applying the criteria of the ESC working group position paper on MINOCA to a contemporary cohort. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p4651] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Y X Gue
- Lister Hospital, Stevenage, United Kingdom
| | - M Farag
- Lister Hospital, Stevenage, United Kingdom
| | | | - M Anwar
- Lister Hospital, Stevenage, United Kingdom
| | - D A Gorog
- Imperial College London, National heart and lung institute, London, United Kingdom
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Gudiseva H, Uddaraju M, Pradhan S, Das M, Mascarenhas J, Srinivasan M, Prajna NV. Ocular manifestations of isolated corneal bee sting injury, management strategies, and clinical outcomes. Indian J Ophthalmol 2018; 66:262-268. [PMID: 29380771 PMCID: PMC5819108 DOI: 10.4103/ijo.ijo_600_17] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Purpose: The purpose of this study is to describe the presenting features, management strategies, and clinical outcome following bee sting injury to the cornea. Methods: Retrospective case series involving 11 eyes of 11 patients with corneal bee sting injuries who presented over a period of 2 years. Nine of these 11 eyes had the presence of intact bee stinger in the cornea, which was removed immediately under an operating microscope and sent for microbiological and histopathological evaluation. The patients were managed as per the individual treatment protocol of the respective treating physicians. Results: Six eyes (54.5%) had a good clinical outcome (best-corrected visual acuity [BCVA] >20/40) with medical therapy alone with no need for surgical intervention. Five eyes (45.5%) had a poor clinical outcome (BCVA <20/40) with medical therapy and required surgery; of which three required a combined penetrating keratoplasty with cataract surgery, while one required isolated cataract surgery and one underwent penetrating keratoplasty. Glaucoma was present in 3/5 eyes undergoing surgery, one of which required a trabeculectomy. Five of the six eyes who had a good clinical outcome with medical therapy alone had been treated with concomitant oral steroids, along with topical antibiotic-steroid combination therapy. Conclusion: Oral corticosteroid supplementation to the topical steroid antibiotic treatment in patients with corneal bee sting injury where corneal involvement and anterior reaction is severe at presentation or inflammation not ameliorating with topical steroids alone prevents serious vision-threatening complications such as corneal decompensation, cataract, and glaucoma.
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Affiliation(s)
- Hemalatha Gudiseva
- Department of Cornea and Refractive Surgery, Aravind Eye Hospital, Madurai, Tamil Nadu, India
| | - Madhu Uddaraju
- Department of Cornea and Refractive Surgery, Aravind Eye Hospital, Madurai, Tamil Nadu, India
| | - Sayali Pradhan
- Department of Cornea and Refractive Surgery, Aravind Eye Hospital, Madurai, Tamil Nadu, India
| | - Manoranjan Das
- Department of Cornea and Refractive Surgery, Aravind Eye Hospital, Madurai, Tamil Nadu, India
| | - Jeena Mascarenhas
- Department of Cornea and Refractive Surgery, Aravind Eye Hospital, Madurai, Tamil Nadu, India
| | - M Srinivasan
- Department of Cornea and Refractive Surgery, Aravind Eye Hospital, Madurai, Tamil Nadu, India
| | - N Venkatesh Prajna
- Department of Cornea and Refractive Surgery, Aravind Eye Hospital, Madurai, Tamil Nadu, India
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Shah S, Siddiqui S, Srinivasan M, Berteotti G, Koget A, Mewawalla P, Khan C, Sadashiv S, Fazal S, Lister J. Low Prealbumin is Associated with Reduced Survival after Hematopoietic Cell Transplantation. Biol Blood Marrow Transplant 2018. [DOI: 10.1016/j.bbmt.2017.12.251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Finnigan T, Makaram N, Baumann A, Ramesh K, Mohil R, Srinivasan M. Outcomes of Ulnar Shortening for Ulnar Impaction Syndrome Using the 2.7 mm AO Ulna Shortening Osteotomy System. J Hand Surg Asian Pac Vol 2018; 23:82-89. [DOI: 10.1142/s242483551850011x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Background: Ulnar shortening osteotomy is a well-established treatment for ulnar impaction syndrome. Controversy remains regarding the most effective system to achieve efficient bony union, whilst minimising incidence of complications, particularly hardware irritation. We present outcomes at 2 years using the recently released low profile AO osteotomy system.Methods: 32 consecutive patients with significant pain from ulnar impaction syndrome (idiopathic or post-traumatic), without degenerative changes of the distal radio-ulnar joint, were included. Time to union, range of motion, grip strength, pain and complications were recorded.Results: Median time to union was 10.14 weeks (9.27–11.01, 95%CI), with one nonunion. Visual Analogue Pain score, grip strength and range of motion improved significantly. No patient experienced hardware irritation. No plate required removal. Positive ulnar variance was reduced by 3.8 mm (mean).Conclusions: The low profile AO system appears effective in achieving bony union whilst minimising incidence of hardware irritation, at a follow up of 2 years
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Affiliation(s)
- T. Finnigan
- Department of Orthopaedics and Trauma, Royal Blackburn Hospital, Lancashire, UK
| | - N. Makaram
- Department of Orthopaedics and Trauma, Royal Infirmary of Edinburgh, Edinburgh, Scotland, UK
| | - A. Baumann
- Department of Orthopaedics and Trauma, Royal Blackburn Hospital, Lancashire, UK
| | - K. Ramesh
- Department of Orthopaedics and Trauma, Royal Blackburn Hospital, Lancashire, UK
| | - R. Mohil
- Department of Orthopaedics and Trauma, Royal Blackburn Hospital, Lancashire, UK
| | - M. Srinivasan
- Department of Orthopaedics and Trauma, Royal Blackburn Hospital, Lancashire, UK
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Iyengar SS, Nair T, Hiremath J, Dutta AL, Jadhav U, Katyal VK, Kumbla D, Sathyamurthy I, Jain RK, Srinivasan M, Sahoo PK. Pharmacological Reperfusion Therapy with Tenecteplase in 7,668 Indian Patients with ST Elevation Myocardial Infarction - A Real World Indian Experience. J Assoc Physicians India 2017; 65:43-47. [PMID: 29313576] [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: 06/07/2023]
Abstract
OBJECTIVE This real-world, observational, prescription event monitoring study was conducted to evaluate safety and efficacy of indigenous tenecteplase (TNK-tPA) in Indian patients presenting with ST elevation myocardial infarction (STEMI). METHODS This is a multi-centric, observational, prescription event monitoring study. Data was collected for 7,668 patients from 1,307 investigator sites across India from January 2011 to February 2016. RESULTS Overall, 76.71% patients were hypertensive, 47.97% patients were diabetic, 42.01% had dyslipidemia, 24.35% had ischemic heart disease and 40.82% patients were smokers. The overall rate for achieving clinically successful thrombolysis by TNK was 93.34%. Delayed administration of tenecteplase yielded lower success rate (84.66%) as against those patients who received tenecteplase within 3 hours of symptoms (94.34%). 93.2% patients had chest pain resolution after pharmacological fibrinolysis. Overall 91.1% patients had 50% resolution of ST elevation at 90 minutes and mean time for 50% ST resolution was 72.06 minutes. Overall 53 patients died (mortality of 0.69%) before discharge. The incidence of bleeding (excluding stroke) was 1.77%, any stroke without ICH was 0.18% and any ICH was 0.38%. CONCLUSION The findings of this study further reinforce the safety and efficacy of indigenous TNK-tPA in Indian patients presenting with STEMI, including high-risk sub-groups. The study also highlights the importance of early reperfusion therapy.
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Affiliation(s)
- S S Iyengar
- Consultant Cardiologist, Manipal Hospital, Bangalore, Karnataka
| | - Tiny Nair
- Head, Dept. of Cardiology, PRS Hospital, Trivandrum, Kerala
| | - Jagdish Hiremath
- Director and Senior Interventional Cardiologist, Ruby Hall Clinic, Pune, Maharashtra
| | - Anjan Lal Dutta
- Consultant Cardiologist, Peerless Hospital, Kolkata, West Bengal
| | - Uday Jadhav
- Consultant in Cardiology, MGM New Bombay Hospital, New Mumbai, Maharashtra
| | - V K Katyal
- Senior Professor and Unit Head, Dept of Medicine, PGIMS, Rohtak, Haryana
| | - Dayanand Kumbla
- Senior Interventional Cardiologist, Jupiter Hospital, Thane, India and Professor (Cardiology), Rajiv Gandhi Medical College, Thane, Maharashtra
| | | | - R K Jain
- Senior Consultant Interventional Cardiologist, Krishna Institute of Medical Sciences, Secunderabad, Hyderabad, Telangana
| | - M Srinivasan
- Former Professor of Cardiology, Madurai Medical College, Madurai, Tamil Nadu
| | - Prasant Kr Sahoo
- Sr. Consultant Cardiologist, Director Interventional Cardiology, Apollo Hospitals, Bhubaneshwar, Orissa
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Farag M, Spinthakis N, Srinivasan M, Sullivan K, Wellsted D, Gorog D. P6084Morphine use in STEMI associated with enhanced platelet reactivity and larger infarct size, and this is negated by GPI use peri-PPCI. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p6084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Spinthakis N, Farag M, Gorog D, Mahmood H, Prasad A, Srinivasan M. P1378Percutaneous coronary intervention with drug-eluting stent versus coronary artery bypass grafting: a meta-analysis of patients with left main coronary artery disease. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Balakrishnan S, Santhanam P, Srinivasan M. Larvicidal potency of marine actinobacteria isolated from mangrove environment against Aedes aegypti and Anopheles stephensi. J Parasit Dis 2017; 41:387-394. [PMID: 28615847 DOI: 10.1007/s12639-016-0812-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Accepted: 06/22/2016] [Indexed: 10/21/2022] Open
Abstract
The marine soil samples were collected from different locations of Parangipettai mangrove ecosystem, Vellar estuary, southeast coast of India. Totally 30 different marine actinobacteria were isolated by serial dilution plate technique on starch casein agar medium. The isolated actinobacteria were investigated for their larvicidal activity against Aedes aegypti and Anopheles stephensi mosquitoes. Streptomyces fungicidicus, S. griseus, S. albus, S. alboflavus and S. rochei were identified as potential biocide producers. Based on the antimicrobial activity, five strains were chosen for larvicidal and pupicidal activity. Among the crude extracts tested, the S. alboflavus extract showed significant activity against Ae. aegypti (LC50 1.48 ± 0.09 and LC90 3.33 ± 0.22) and An. stephensi (LC50 1.30 ± 0.09 and LC90 3.13 ± 0.21). Five isolates have shown a most significant mortality rate of the Ae. aegypti and An. stephensi mosquito larvae. This is an ideal eco-friendly approach for the control of Japanese encephalitis vectors, Ae. aegypti and malarial vector An. stephensi.
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Affiliation(s)
- S Balakrishnan
- Department of Marine Science, School of Marine Sciences, Bharathidasan University, Tiruchirapalli, Tamil Nadu 620024 India
| | - P Santhanam
- Department of Marine Science, School of Marine Sciences, Bharathidasan University, Tiruchirapalli, Tamil Nadu 620024 India
| | - M Srinivasan
- Centre of Advanced Study in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettai, Tamil Nadu 608 502 India
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Job PK, Srinivasan M, Nargundkar VR. Analysis of the BeO-Reflected Uranium-233 Nitrate Solution Subcritical Multiplication Experiments Conducted at Purnima Laboratories. NUCL TECHNOL 2017. [DOI: 10.13182/nt80-a32560] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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]
Affiliation(s)
- P. K. Job
- Bhabha Atomic Research Centre, Neutron Physics Division, Trombay, Bombay 400 085, India
| | - M. Srinivasan
- Bhabha Atomic Research Centre, Neutron Physics Division, Trombay, Bombay 400 085, India
| | - V. R. Nargundkar
- Bhabha Atomic Research Centre, Neutron Physics Division, Trombay, Bombay 400 085, India
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Kumar A, Srinivasan M, Rao KS. Characterization of Neutron Leakage Probability, keff, and Critical Core Surface Mass Density of Small Reactor Assemblies Through the Trombay Criticality Formula. NUCL SCI ENG 2017. [DOI: 10.13182/nse83-a17722] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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]
Affiliation(s)
- Anil Kumar
- Bhabha Atomic Research Centre, Neutron Physics Division Bombay 400085, India
| | - M. Srinivasan
- Bhabha Atomic Research Centre, Neutron Physics Division Bombay 400085, India
| | - K. Subba Rao
- Bhabha Atomic Research Centre, Neutron Physics Division Bombay 400085, India
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Affiliation(s)
- P. K. Job
- Bhabha Atomic Research Centre, Neutron Physics Division, Bombay 400 085, India
| | - K. Subba Rao
- Bhabha Atomic Research Centre, Neutron Physics Division, Bombay 400 085, India
| | - M. Srinivasan
- Bhabha Atomic Research Centre, Neutron Physics Division, Bombay 400 085, India
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46
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Iyengar PK, Basu TK, Chandramoleshwar K, Das S, Job PK, Kapil SK, Nargundkar VR, Pasupathy CS, Srinivasan M, Rao KS. PURNIMA—A PuO2-Fueled Zero-Energy Fast Reactor at Trombay. NUCL SCI ENG 2017. [DOI: 10.13182/nse79-a18925] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [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]
Affiliation(s)
- P. K. Iyengar
- Bhabha Atomic Research Centre, Trombay, Bombay 400 085, India
| | - T. K. Basu
- Bhabha Atomic Research Centre, Trombay, Bombay 400 085, India
| | | | - S. Das
- Bhabha Atomic Research Centre, Trombay, Bombay 400 085, India
| | - P. K. Job
- Bhabha Atomic Research Centre, Trombay, Bombay 400 085, India
| | - S. K. Kapil
- Bhabha Atomic Research Centre, Trombay, Bombay 400 085, India
| | | | - C. S. Pasupathy
- Bhabha Atomic Research Centre, Trombay, Bombay 400 085, India
| | - M. Srinivasan
- Bhabha Atomic Research Centre, Trombay, Bombay 400 085, India
| | - K. Subba Rao
- Bhabha Atomic Research Centre, Trombay, Bombay 400 085, India
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Srinivasan M, Rao KS, Garg SB, Acharya GV. Systematics of Criticality Data of Special Actinide Nuclides Deduced through the Trombay Criticality Formula. NUCL SCI ENG 2017. [DOI: 10.13182/nse89-a27479] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [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]
Affiliation(s)
- M. Srinivasan
- Bhabha Atomic Research Centre, Neutron Physics Division, Trombay, Bombay 400085, India
| | - K. Subba Rao
- Bhabha Atomic Research Centre, Neutron Physics Division, Trombay, Bombay 400085, India
| | - S. B. Garg
- Bhabha Atomic Research Centre, Neutron Physics Division, Trombay, Bombay 400085, India
| | - G. V. Acharya
- Bhabha Atomic Research Centre, Neutron Physics Division, Trombay, Bombay 400085, India
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Job PK, Srinivasan M. Exploitation of Bragg Cutoff Phenomenon for Improved Albedo in Beryllium-Reflected Minimum Critical Mass Systems. NUCL SCI ENG 2017. [DOI: 10.13182/nse83-a18388] [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]
Affiliation(s)
- P. K. Job
- Bhabha Atomic Research Centre, Neutron Physics Division, Bombay 400 085, India
| | - M. Srinivasan
- Bhabha Atomic Research Centre, Neutron Physics Division, Bombay 400 085, India
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Affiliation(s)
- K. Subba Rao
- Bhabha Atomic Research Centre Neutron Physics Division Trombay, Bombay 400 085, India
| | - M. Srinivasan
- Bhabha Atomic Research Centre Neutron Physics Division Trombay, Bombay 400 085, India
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Iyengar PK, Srinivasan M, Sikka SK, Shyam A, Chitra V, Kulkarni LV, Rout RK, Krishnan MS, Malhotra SK, Gaonkar DG, Sadhukhan HK, Nagvenkar VB, Nayar MG, Mitra SK, Raghunathan P, Degwekar SB, Radhakrishnan TP, Sundaresan R, Arunachalam J, Raju VS, Kalyanaraman R, Gangadharan S, Venkateswaran G, Moorthy PN, Venkateswarlu KS, Yuvaraju B, Kishore K, Guha SN, Panajkar MS, Rao KA, Raj P, Suryanarayana P, Sathyamoorthy A, Datta T, Bose H, Prabhu LH, Sankaranarayanan S, Shetiya RS, Veeraraghavan N, Murthy TS, Sen BK, Joshi PV, Sharma KGB, Joseph TB, Iyengar TS, Shrikhande VK, Mittal KC, Misra SC, Lal M, Rao PS. Bhabha Atomic Research Centre Studies in Cold Fusion. ACTA ACUST UNITED AC 2017. [DOI: 10.13182/fst90-a29233] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [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]
Affiliation(s)
- P. K. Iyengar
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - M. Srinivasan
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - S. K. Sikka
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - A. Shyam
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - V. Chitra
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - L. V. Kulkarni
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - R. K. Rout
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - M. S. Krishnan
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - S. K. Malhotra
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - D. G. Gaonkar
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - H. K. Sadhukhan
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - V. B. Nagvenkar
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - M. G. Nayar
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - S. K. Mitra
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - P. Raghunathan
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - S. B. Degwekar
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | | | - R. Sundaresan
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - J. Arunachalam
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - V. S. Raju
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - R. Kalyanaraman
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - S. Gangadharan
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | | | - P. N. Moorthy
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | | | - B. Yuvaraju
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - K. Kishore
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - S. N. Guha
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - M. S. Panajkar
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - K. A. Rao
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - P. Raj
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | | | | | - T. Datta
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - H. Bose
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - L. H. Prabhu
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | | | - R. S. Shetiya
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | | | - T. S. Murthy
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - B. K. Sen
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - P. V. Joshi
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - K. G. B. Sharma
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - T. B. Joseph
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - T. S. Iyengar
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | | | - K. C. Mittal
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - S. C. Misra
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - M. Lal
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
| | - P. S. Rao
- Bhabha Atomic Research Centre, Trombay, Bombay 400085, India
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