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Bagaria DK, Gupta S, Pandey S, Choudhary N, Priyadarshini P, Kumar A, Alam J, Mishra B, Sagar S, Kumar S, Gupta A. Abdominal wall reconstruction (AWR) for post-trauma laparotomy ventral hernia and follow-up assessment of functional quality of life (QOL): experience of a level-1 trauma centre in India. Hernia 2024:10.1007/s10029-024-02978-1. [PMID: 38388814 DOI: 10.1007/s10029-024-02978-1] [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: 10/20/2023] [Accepted: 01/25/2024] [Indexed: 02/24/2024]
Abstract
PURPOSE The aim of this study was to examine the postoperative outcomes and follow-up QOL of patients after AWR at a level-1 trauma centre in India. METHODS The study cohort included AWR patients treated between January 2011 and July 2022. The Activities Assessment Scale (AAS) was used to measure QOL, and the Ventral Hernia Recurrence Inventory (VHRI) was used to determine the occurrence of recurrence. In patients suspected of having recurrence, thorough clinical examination and relevant imaging were performed to confirm or rule out recurrence. RESULTS Out of 89 patients, 35 patients whose complete perioperative and follow-up data were available were enrolled. The mean age of the patients was 28 (SD, 9) years. The mean defect size was 14. 9 (SD, 7) cm. The mean time from laparotomy to AWR surgery was 21 months. During the postoperative course, 37% of patients developed complications, such as SSI and seroma. The mean follow-up time was 53 (SD, 43) months. Upon comparing procedures involving the mesh placed in the sublay position with procedures involving the mesh placed in other positions, no statistically significant difference in the recurrence rate (one in each group, p = 0.99), surgical complication rate (33% v/s 66%, p = 0.6), or mean AAS QOL score (94.7 v/s 98, p = 0.4) was observed. The specificity of the VHRI for diagnosing recurrence was 79%. CONCLUSION Overall, the recurrence rate was low in these patients despite the presence of large hernia defects. Long-term QOL was not affected by the specific procedure used. Timely planning and execution are more important than the specific repair approach for post-trauma laparotomy ventral hernia.
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Affiliation(s)
- D K Bagaria
- Division of Trauma Surgery and Critical Care, Jai Prakash Narayan Apex Trauma Centre, Jai Prakash Narayan Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India
| | - S Gupta
- Division of Trauma Surgery and Critical Care, Jai Prakash Narayan Apex Trauma Centre, Jai Prakash Narayan Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India
| | - S Pandey
- Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, India
| | - N Choudhary
- Division of Trauma Surgery and Critical Care, Jai Prakash Narayan Apex Trauma Centre, Jai Prakash Narayan Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India.
| | - P Priyadarshini
- Division of Trauma Surgery and Critical Care, Jai Prakash Narayan Apex Trauma Centre, Jai Prakash Narayan Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India
| | - A Kumar
- Division of Trauma Surgery and Critical Care, Jai Prakash Narayan Apex Trauma Centre, Jai Prakash Narayan Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India
| | - J Alam
- Division of Trauma Surgery and Critical Care, Jai Prakash Narayan Apex Trauma Centre, Jai Prakash Narayan Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India
| | - B Mishra
- Division of Trauma Surgery and Critical Care, Jai Prakash Narayan Apex Trauma Centre, Jai Prakash Narayan Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India
| | - S Sagar
- Division of Trauma Surgery and Critical Care, Jai Prakash Narayan Apex Trauma Centre, Jai Prakash Narayan Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India
| | - S Kumar
- Division of Trauma Surgery and Critical Care, Jai Prakash Narayan Apex Trauma Centre, Jai Prakash Narayan Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India
| | - A Gupta
- Division of Trauma Surgery and Critical Care, Jai Prakash Narayan Apex Trauma Centre, Jai Prakash Narayan Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India
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Mishra B, Tarai S, Ratre V, Bit A. Processing of attentional and emotional stimuli depends on retrospective response of foot pressure: Conceptualizing neuron-cognitive distribution in human brain. Comput Biol Med 2023; 164:107186. [PMID: 37480678 DOI: 10.1016/j.compbiomed.2023.107186] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 06/08/2023] [Accepted: 06/13/2023] [Indexed: 07/24/2023]
Abstract
Cognitive function of human brain requires temporal execution of emotional or attentional tasks, or their inter-dependence influences. Smooth execution of such tasks requires spontaneous distribution of cognitive load at specific regions of brain based on its classification. A strong connectivity between peripheral sensors and central nervous system is thought to assist the cognitive load distribution effectively. Novelty of current study evaluates the modulation of foot pressure and its mapping with distributed cognitive load while executing attentional biased emotional tasks. Emotional stimulus in form of happy and sad faces with attentional paradigm drawn on them were used in the study. Behavioral results were measured with respect to the analysis of response time (RT) and response accuracy (%). Neurological signals were acquired using 10-channel EEG data acquisition system, whereas, another 6 channels were used to measure foot pressure in the left and right feet at three different locations of foot. Acquired signals were further analyzed in time and frequency domains to interpret the cognitive load distribution, and the influence of foot pressure on distribution of cognitive loads. We found that the foot pressure accelerated the response accuracy rate in attending the local scope of attention, which was not in the case of global scope of attention. This means that the global attention does not require any pressure from peripheral sensory neurons. Our event related potential (ERP) results revealed that the early sensory negative N100 characterized the processing of global scope of attention coupled with high-foot pressure. However, the late positive peak of P300 and P600 associated with local scope of attention along with high-foot pressure. The global scope of attention with low-foot pressure modulates delta and theta oscillations. These results largely contribute to the literature on cognitive neuroscience of attention and it corelation with the peripheral sensory foot pressure.
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Affiliation(s)
- Bharti Mishra
- Department of Biomedical Engineering, National Institute of Technology, Raipur, India
| | - Shashikanta Tarai
- Department of Humanities and Social Sciences, National Institute of Technology, Raipur, India
| | - Vinod Ratre
- Department of Biomedical Engineering, National Institute of Technology, Raipur, India
| | - Arindam Bit
- Department of Biomedical Engineering, National Institute of Technology, Raipur, India.
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Tripathy SK, Pradhan SK, Barik B, Naik Z, Mishra B. Evolution of Generalized Brans–Dicke Parameter within a Superbounce Scenario. Symmetry (Basel) 2023. [DOI: 10.3390/sym15040790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023] Open
Abstract
We studied a superbounce scenario in a set up of the Brans–Dicke (BD) theory. The BD parameter was considered to be time-dependent and was assumed to evolve with the Brans–Dicke scalar field. In the superbounce scenario, the model bounced at an epoch corresponding to a Big Crunch provided the ekpyrotic phase continued until that time. Within the given superbounce scenario, we investigated the evolution of the BD parameter for different equations of state. We chose an axially symmetric metric that has an axial symmetry along the x-axis. The metric was assumed to incorporate an anisotropic expansion effect. The effect of asymmetric expansion and the anisotropic parameter on the evolving and non-evolving parts of the BD parameter was investigated.
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Datta A, Mohapatra PR, Bhuniya S, Mishra B. TB treatment regimen for children: is a 4-month regimen really better than the 6-month regimen? Int J Tuberc Lung Dis 2022; 26:1197. [PMID: 36447324 DOI: 10.5588/ijtld.22.0375] [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: 12/05/2022] Open
Affiliation(s)
- A Datta
- Department of Pulmonary Medicine & Critical Care, Bhubaneswar, India
| | - P R Mohapatra
- Department of Pulmonary Medicine & Critical Care, Bhubaneswar, India
| | - S Bhuniya
- Department of Pulmonary Medicine & Critical Care, Bhubaneswar, India
| | - B Mishra
- Department of Microbiology, All India Institute of Medical Sciences, Bhubaneswar, India
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Kumar Singh P, Bhattacharjya R, Kiran Marella T, Saxena A, Mishra B, Savio S, Congestri R, Sindhu R, Binod P, Tiwari A. Production of lipids and proteins from marine diatoms under changing pH and silica. Bioresour Technol 2022; 362:127766. [PMID: 35963488 DOI: 10.1016/j.biortech.2022.127766] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 08/05/2022] [Accepted: 08/06/2022] [Indexed: 06/15/2023]
Abstract
Diatom algae are increasingly explored as an alternative sustainable source for functional biomolecules likes fucoxanthin, and eicosapentaenoic acid. But biomolecule quantity and quantity are influenced by growth conditions. So, effect of differential silica concentration (0-120 mg L-1) and medium pH (5.5-9.5) on growth and cellular biochemical composition of commercially important marine diatom species were studied. Growth rate of Thalassiosira sp., Skeletonema sp., and Chaetoceros sp., was higher with 30 mg L-1 Si at a pH of 7.5-8.5. Highest carbohydrate (153.71 mg g-1) and protein (17.34 mg g-1) content was found in Skeletonema sp. Silica concentration positively influenced chlorophyll and carotenoid content in a dose dependent manner. A medium pH of 8.5 and Si concentration between 60 and 120 mg L-1 was ideal for lipid production. The optimum concentration of Si and pH for maximum biomolecule production have been reported with further scope of utilizing these conditions in commercial scale systems.
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Affiliation(s)
- Pankaj Kumar Singh
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, India
| | - Raya Bhattacharjya
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, India
| | - Thomas Kiran Marella
- Algae Biomass and Energy System R&D Center (ABES), University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
| | - Abhishek Saxena
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, India
| | - Bharti Mishra
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, India
| | - Saverio Savio
- Laboratory of Biology of Algae, Department of Biology, University of Rome 'Tor Vergata', Via Cracovia 1, 00133 Rome, Italy
| | - Roberta Congestri
- Laboratory of Biology of Algae, Department of Biology, University of Rome 'Tor Vergata', Via Cracovia 1, 00133 Rome, Italy
| | - Raveendran Sindhu
- Department of Food Technology, T K M Institute of Technology, Kollam - 691 505, Kerala, India
| | - Parameswaran Binod
- Microbial Processes and Technology Division, CSIR - National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum - 695 019, Kerala, India
| | - Archana Tiwari
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, India.
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Mohapatra PR, Mishra B, Dutta A, Bhuniya S. Responding to WHO´s 4-month regimen for drug-susceptible pulmonary TB. Int J Tuberc Lung Dis 2022; 26:898-899. [PMID: 35996294 DOI: 10.5588/ijtld.22.0313] [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: 11/10/2022] Open
Affiliation(s)
- P R Mohapatra
- Department of Pulmonary Medicine & Critical Care, All India Institute of Medical Sciences, Bhubaneswar, India
| | - B Mishra
- Department of Pulmonary Medicine & Critical Care, All India Institute of Medical Sciences, Bhubaneswar, India
| | - A Dutta
- Department of Pulmonary Medicine & Critical Care, All India Institute of Medical Sciences, Bhubaneswar, India
| | - S Bhuniya
- Department of Pulmonary Medicine & Critical Care, All India Institute of Medical Sciences, Bhubaneswar, India
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Proietti M, Romiti GF, Vitolo M, Harrison SL, Lane DA, Fauchier L, Marin F, Näbauer M, Potpara TS, Dan GA, Maggioni AP, Cesari M, Boriani G, Lip GYH, Ekmekçiu U, Paparisto V, Tase M, Gjergo H, Dragoti J, Goda A, Ciutea M, Ahadi N, el Husseini Z, Raepers M, Leroy J, Haushan P, Jourdan A, Lepiece C, Desteghe L, Vijgen J, Koopman P, Van Genechten G, Heidbuchel H, Boussy T, De Coninck M, Van Eeckhoutte H, Bouckaert N, Friart A, Boreux J, Arend C, Evrard P, Stefan L, Hoffer E, Herzet J, Massoz M, Celentano C, Sprynger M, Pierard L, Melon P, Van Hauwaert B, Kuppens C, Faes D, Van Lier D, Van Dorpe A, Gerardy A, Deceuninck O, Xhaet O, Dormal F, Ballant E, Blommaert D, Yakova D, Hristov M, Yncheva T, Stancheva N, Tisheva S, Tokmakova M, Nikolov F, Gencheva D, Shalganov T, Kunev B, Stoyanov M, Marchov D, Gelev V, Traykov V, Kisheva A, Tsvyatkov H, Shtereva R, Bakalska-Georgieva S, Slavcheva S, Yotov Y, Kubíčková M, Marni Joensen A, Gammelmark A, Hvilsted Rasmussen L, Dinesen P, Riahi S, Krogh Venø S, Sorensen B, Korsgaard A, Andersen K, Fragtrup Hellum C, Svenningsen A, Nyvad O, Wiggers P, May O, Aarup A, Graversen B, Jensen L, Andersen M, Svejgaard M, Vester S, Hansen S, Lynggaard V, Ciudad M, Vettus R, Muda P, Maestre A, Castaño S, Cheggour S, Poulard J, Mouquet V, Leparrée S, Bouet J, Taieb J, Doucy A, Duquenne H, Furber A, Dupuis J, Rautureau J, Font M, Damiano P, Lacrimini M, Abalea J, Boismal S, Menez T, Mansourati J, Range G, Gorka H, Laure C, Vassalière C, Elbaz N, Lellouche N, Djouadi K, Roubille F, Dietz D, Davy J, Granier M, Winum P, Leperchois-Jacquey C, Kassim H, Marijon E, Le Heuzey J, Fedida J, Maupain C, Himbert C, Gandjbakhch E, Hidden-Lucet F, Duthoit G, Badenco N, Chastre T, Waintraub X, Oudihat M, Lacoste J, Stephan C, Bader H, Delarche N, Giry L, Arnaud D, Lopez C, Boury F, Brunello I, Lefèvre M, Mingam R, Haissaguerre M, Le Bidan M, Pavin D, Le Moal V, Leclercq C, Piot O, Beitar T, Martel I, Schmid A, Sadki N, Romeyer-Bouchard C, Da Costa A, Arnault I, Boyer M, Piat C, Fauchier L, Lozance N, Nastevska S, Doneva A, Fortomaroska Milevska B, Sheshoski B, Petroska K, Taneska N, Bakrecheski N, Lazarovska K, Jovevska S, Ristovski V, Antovski A, Lazarova E, Kotlar I, Taleski J, Poposka L, Kedev S, Zlatanovik N, Jordanova S, Bajraktarova Proseva T, Doncovska S, Maisuradze D, Esakia A, Sagirashvili E, Lartsuliani K, Natelashvili N, Gumberidze N, Gvenetadze R, Etsadashvili K, Gotonelia N, Kuridze N, Papiashvili G, Menabde I, Glöggler S, Napp A, Lebherz C, Romero H, Schmitz K, Berger M, Zink M, Köster S, Sachse J, Vonderhagen E, Soiron G, Mischke K, Reith R, Schneider M, Rieker W, Boscher D, Taschareck A, Beer A, Oster D, Ritter O, Adamczewski J, Walter S, Frommhold A, Luckner E, Richter J, Schellner M, Landgraf S, Bartholome S, Naumann R, Schoeler J, Westermeier D, William F, Wilhelm K, Maerkl M, Oekinghaus R, Denart M, Kriete M, Tebbe U, Scheibner T, Gruber M, Gerlach A, Beckendorf C, Anneken L, Arnold M, Lengerer S, Bal Z, Uecker C, Förtsch H, Fechner S, Mages V, Martens E, Methe H, Schmidt T, Schaeffer B, Hoffmann B, Moser J, Heitmann K, Willems S, Willems S, Klaus C, Lange I, Durak M, Esen E, Mibach F, Mibach H, Utech A, Gabelmann M, Stumm R, Ländle V, Gartner C, Goerg C, Kaul N, Messer S, Burkhardt D, Sander C, Orthen R, Kaes S, Baumer A, Dodos F, Barth A, Schaeffer G, Gaertner J, Winkler J, Fahrig A, Aring J, Wenzel I, Steiner S, Kliesch A, Kratz E, Winter K, Schneider P, Haag A, Mutscher I, Bosch R, Taggeselle J, Meixner S, Schnabel A, Shamalla A, Hötz H, Korinth A, Rheinert C, Mehltretter G, Schön B, Schön N, Starflinger A, Englmann E, Baytok G, Laschinger T, Ritscher G, Gerth A, Dechering D, Eckardt L, Kuhlmann M, Proskynitopoulos N, Brunn J, Foth K, Axthelm C, Hohensee H, Eberhard K, Turbanisch S, Hassler N, Koestler A, Stenzel G, Kschiwan D, Schwefer M, Neiner S, Hettwer S, Haeussler-Schuchardt M, Degenhardt R, Sennhenn S, Steiner S, Brendel M, Stoehr A, Widjaja W, Loehndorf S, Logemann A, Hoskamp J, Grundt J, Block M, Ulrych R, Reithmeier A, Panagopoulos V, Martignani C, Bernucci D, Fantecchi E, Diemberger I, Ziacchi M, Biffi M, Cimaglia P, Frisoni J, Boriani G, Giannini I, Boni S, Fumagalli S, Pupo S, Di Chiara A, Mirone P, Fantecchi E, Boriani G, Pesce F, Zoccali C, Malavasi VL, Mussagaliyeva A, Ahyt B, Salihova Z, Koshum-Bayeva K, Kerimkulova A, Bairamukova A, Mirrakhimov E, Lurina B, Zuzans R, Jegere S, Mintale I, Kupics K, Jubele K, Erglis A, Kalejs O, Vanhear K, Burg M, Cachia M, Abela E, Warwicker S, Tabone T, Xuereb R, Asanovic D, Drakalovic D, Vukmirovic M, Pavlovic N, Music L, Bulatovic N, Boskovic A, Uiterwaal H, Bijsterveld N, De Groot J, Neefs J, van den Berg N, Piersma F, Wilde A, Hagens V, Van Es J, Van Opstal J, Van Rennes B, Verheij H, Breukers W, Tjeerdsma G, Nijmeijer R, Wegink D, Binnema R, Said S, Erküner Ö, Philippens S, van Doorn W, Crijns H, Szili-Torok T, Bhagwandien R, Janse P, Muskens A, van Eck M, Gevers R, van der Ven N, Duygun A, Rahel B, Meeder J, Vold A, Holst Hansen C, Engset I, Atar D, Dyduch-Fejklowicz B, Koba E, Cichocka M, Sokal A, Kubicius A, Pruchniewicz E, Kowalik-Sztylc A, Czapla W, Mróz I, Kozlowski M, Pawlowski T, Tendera M, Winiarska-Filipek A, Fidyk A, Slowikowski A, Haberka M, Lachor-Broda M, Biedron M, Gasior Z, Kołodziej M, Janion M, Gorczyca-Michta I, Wozakowska-Kaplon B, Stasiak M, Jakubowski P, Ciurus T, Drozdz J, Simiera M, Zajac P, Wcislo T, Zycinski P, Kasprzak J, Olejnik A, Harc-Dyl E, Miarka J, Pasieka M, Ziemińska-Łuć M, Bujak W, Śliwiński A, Grech A, Morka J, Petrykowska K, Prasał M, Hordyński G, Feusette P, Lipski P, Wester A, Streb W, Romanek J, Woźniak P, Chlebuś M, Szafarz P, Stanik W, Zakrzewski M, Kaźmierczak J, Przybylska A, Skorek E, Błaszczyk H, Stępień M, Szabowski S, Krysiak W, Szymańska M, Karasiński J, Blicharz J, Skura M, Hałas K, Michalczyk L, Orski Z, Krzyżanowski K, Skrobowski A, Zieliński L, Tomaszewska-Kiecana M, Dłużniewski M, Kiliszek M, Peller M, Budnik M, Balsam P, Opolski G, Tymińska A, Ozierański K, Wancerz A, Borowiec A, Majos E, Dabrowski R, Szwed H, Musialik-Lydka A, Leopold-Jadczyk A, Jedrzejczyk-Patej E, Koziel M, Lenarczyk R, Mazurek M, Kalarus Z, Krzemien-Wolska K, Starosta P, Nowalany-Kozielska E, Orzechowska A, Szpot M, Staszel M, Almeida S, Pereira H, Brandão Alves L, Miranda R, Ribeiro L, Costa F, Morgado F, Carmo P, Galvao Santos P, Bernardo R, Adragão P, Ferreira da Silva G, Peres M, Alves M, Leal M, Cordeiro A, Magalhães P, Fontes P, Leão S, Delgado A, Costa A, Marmelo B, Rodrigues B, Moreira D, Santos J, Santos L, Terchet A, Darabantiu D, Mercea S, Turcin Halka V, Pop Moldovan A, Gabor A, Doka B, Catanescu G, Rus H, Oboroceanu L, Bobescu E, Popescu R, Dan A, Buzea A, Daha I, Dan G, Neuhoff I, Baluta M, Ploesteanu R, Dumitrache N, Vintila M, Daraban A, Japie C, Badila E, Tewelde H, Hostiuc M, Frunza S, Tintea E, Bartos D, Ciobanu A, Popescu I, Toma N, Gherghinescu C, Cretu D, Patrascu N, Stoicescu C, Udroiu C, Bicescu G, Vintila V, Vinereanu D, Cinteza M, Rimbas R, Grecu M, Cozma A, Boros F, Ille M, Tica O, Tor R, Corina A, Jeewooth A, Maria B, Georgiana C, Natalia C, Alin D, Dinu-Andrei D, Livia M, Daniela R, Larisa R, Umaar S, Tamara T, Ioachim Popescu M, Nistor D, Sus I, Coborosanu O, Alina-Ramona N, Dan R, Petrescu L, Ionescu G, Popescu I, Vacarescu C, Goanta E, Mangea M, Ionac A, Mornos C, Cozma D, Pescariu S, Solodovnicova E, Soldatova I, Shutova J, Tjuleneva L, Zubova T, Uskov V, Obukhov D, Rusanova G, Soldatova I, Isakova N, Odinsova S, Arhipova T, Kazakevich E, Serdechnaya E, Zavyalova O, Novikova T, Riabaia I, Zhigalov S, Drozdova E, Luchkina I, Monogarova Y, Hegya D, Rodionova L, Rodionova L, Nevzorova V, Soldatova I, Lusanova O, Arandjelovic A, Toncev D, Milanov M, Sekularac N, Zdravkovic M, Hinic S, Dimkovic S, Acimovic T, Saric J, Polovina M, Potpara T, Vujisic-Tesic B, Nedeljkovic M, Zlatar M, Asanin M, Vasic V, Popovic Z, Djikic D, Sipic M, Peric V, Dejanovic B, Milosevic N, Stevanovic A, Andric A, Pencic B, Pavlovic-Kleut M, Celic V, Pavlovic M, Petrovic M, Vuleta M, Petrovic N, Simovic S, Savovic Z, Milanov S, Davidovic G, Iric-Cupic V, Simonovic D, Stojanovic M, Stojanovic S, Mitic V, Ilic V, Petrovic D, Deljanin Ilic M, Ilic S, Stoickov V, Markovic S, Kovacevic S, García Fernandez A, Perez Cabeza A, Anguita M, Tercedor Sanchez L, Mau E, Loayssa J, Ayarra M, Carpintero M, Roldán Rabadan I, Leal M, Gil Ortega M, Tello Montoliu A, Orenes Piñero E, Manzano Fernández S, Marín F, Romero Aniorte A, Veliz Martínez A, Quintana Giner M, Ballesteros G, Palacio M, Alcalde O, García-Bolao I, Bertomeu Gonzalez V, Otero-Raviña F, García Seara J, Gonzalez Juanatey J, Dayal N, Maziarski P, Gentil-Baron P, Shah D, Koç M, Onrat E, Dural IE, Yilmaz K, Özin B, Tan Kurklu S, Atmaca Y, Canpolat U, Tokgozoglu L, Dolu AK, Demirtas B, Sahin D, Ozcan Celebi O, Diker E, Gagirci G, Turk UO, Ari H, Polat N, Toprak N, Sucu M, Akin Serdar O, Taha Alper A, Kepez A, Yuksel Y, Uzunselvi A, Yuksel S, Sahin M, Kayapinar O, Ozcan T, Kaya H, Yilmaz MB, Kutlu M, Demir M, Gibbs C, Kaminskiene S, Bryce M, Skinner A, Belcher G, Hunt J, Stancombe L, Holbrook B, Peters C, Tettersell S, Shantsila A, Lane D, Senoo K, Proietti M, Russell K, Domingos P, Hussain S, Partridge J, Haynes R, Bahadur S, Brown R, McMahon S, Y H Lip G, McDonald J, Balachandran K, Singh R, Garg S, Desai H, Davies K, Goddard W, Galasko G, Rahman I, Chua Y, Payne O, Preston S, Brennan O, Pedley L, Whiteside C, Dickinson C, Brown J, Jones K, Benham L, Brady R, Buchanan L, Ashton A, Crowther H, Fairlamb H, Thornthwaite S, Relph C, McSkeane A, Poultney U, Kelsall N, Rice P, Wilson T, Wrigley M, Kaba R, Patel T, Young E, Law J, Runnett C, Thomas H, McKie H, Fuller J, Pick S, Sharp A, Hunt A, Thorpe K, Hardman C, Cusack E, Adams L, Hough M, Keenan S, Bowring A, Watts J, Zaman J, Goffin K, Nutt H, Beerachee Y, Featherstone J, Mills C, Pearson J, Stephenson L, Grant S, Wilson A, Hawksworth C, Alam I, Robinson M, Ryan S, Egdell R, Gibson E, Holland M, Leonard D, Mishra B, Ahmad S, Randall H, Hill J, Reid L, George M, McKinley S, Brockway L, Milligan W, Sobolewska J, Muir J, Tuckis L, Winstanley L, Jacob P, Kaye S, Morby L, Jan A, Sewell T, Boos C, Wadams B, Cope C, Jefferey P, Andrews N, Getty A, Suttling A, Turner C, Hudson K, Austin R, Howe S, Iqbal R, Gandhi N, Brophy K, Mirza P, Willard E, Collins S, Ndlovu N, Subkovas E, Karthikeyan V, Waggett L, Wood A, Bolger A, Stockport J, Evans L, Harman E, Starling J, Williams L, Saul V, Sinha M, Bell L, Tudgay S, Kemp S, Brown J, Frost L, Ingram T, Loughlin A, Adams C, Adams M, Hurford F, Owen C, Miller C, Donaldson D, Tivenan H, Button H, Nasser A, Jhagra O, Stidolph B, Brown C, Livingstone C, Duffy M, Madgwick P, Roberts P, Greenwood E, Fletcher L, Beveridge M, Earles S, McKenzie D, Beacock D, Dayer M, Seddon M, Greenwell D, Luxton F, Venn F, Mills H, Rewbury J, James K, Roberts K, Tonks L, Felmeden D, Taggu W, Summerhayes A, Hughes D, Sutton J, Felmeden L, Khan M, Walker E, Norris L, O’Donohoe L, Mozid A, Dymond H, Lloyd-Jones H, Saunders G, Simmons D, Coles D, Cotterill D, Beech S, Kidd S, Wrigley B, Petkar S, Smallwood A, Jones R, Radford E, Milgate S, Metherell S, Cottam V, Buckley C, Broadley A, Wood D, Allison J, Rennie K, Balian L, Howard L, Pippard L, Board S, Pitt-Kerby T. Epidemiology and impact of frailty in patients with atrial fibrillation in Europe. Age Ageing 2022; 51:6670566. [PMID: 35997262 DOI: 10.1093/ageing/afac192] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [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: 03/17/2022] [Revised: 06/08/2022] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Frailty is a medical syndrome characterised by reduced physiological reserve and increased vulnerability to stressors. Data regarding the relationship between frailty and atrial fibrillation (AF) are still inconsistent. OBJECTIVES We aim to perform a comprehensive evaluation of frailty in a large European cohort of AF patients. METHODS A 40-item frailty index (FI) was built according to the accumulation of deficits model in the AF patients enrolled in the ESC-EHRA EORP-AF General Long-Term Registry. Association of baseline characteristics, clinical management, quality of life, healthcare resources use and risk of outcomes with frailty was examined. RESULTS Among 10,177 patients [mean age (standard deviation) 69.0 (11.4) years, 4,103 (40.3%) females], 6,066 (59.6%) were pre-frail and 2,172 (21.3%) were frail, whereas only 1,939 (19.1%) were considered robust. Baseline thromboembolic and bleeding risks were independently associated with increasing FI. Frail patients with AF were less likely to be treated with oral anticoagulants (OACs) (odds ratio 0.70, 95% confidence interval 0.55-0.89), especially with non-vitamin K antagonist OACs and managed with a rhythm control strategy, compared with robust patients. Increasing frailty was associated with a higher risk for all outcomes examined, with a non-linear exponential relationship. The use of OAC was associated with a lower risk of outcomes, except in patients with very/extremely high frailty. CONCLUSIONS In this large cohort of AF patients, there was a high burden of frailty, influencing clinical management and risk of adverse outcomes. The clinical benefit of OAC is maintained in patients with high frailty, but not in very high/extremely frail ones.
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Affiliation(s)
- Marco Proietti
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.,Geriatric Unit, IRCCS Istituti Clinici Scientifici Maugeri, Milan, Italy
| | - Giulio Francesco Romiti
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Translational and Precision Medicine, Sapienza - University of Rome, Italy
| | - Marco Vitolo
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy.,Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy
| | - Stephanie L Harrison
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
| | - Deirdre A Lane
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Laurent Fauchier
- Service de Cardiologie, Centre Hospitalier Universitaire Trousseau, Tours, France
| | - Francisco Marin
- Department of Cardiology, Hospital Universitario Virgen de la Arrixaca, IMIB-Arrixaca, University of Murcia, CIBER-CV, Murcia, Spain
| | - Michael Näbauer
- Department of Cardiology, Ludwig-Maximilians-University, Munich, Germany
| | - Tatjana S Potpara
- School of Medicine, University of Belgrade, Belgrade, Serbia.,Clinical Center of Serbia, Belgrade, Serbia
| | - Gheorghe-Andrei Dan
- University of Medicine, 'Carol Davila', Colentina University Hospital, Bucharest, Romania
| | - Aldo P Maggioni
- ANMCO Research Center, Heart Care Foundation, Florence, Italy
| | - Matteo Cesari
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.,Geriatric Unit, IRCCS Istituti Clinici Scientifici Maugeri, Milan, Italy
| | - Giuseppe Boriani
- Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy
| | - Gregory Y H Lip
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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Saxena A, Mishra B, Sindhu R, Binod P, Tiwari A. Nutrient acclimation in benthic diatoms with adaptive laboratory evolution. Bioresour Technol 2022; 351:126955. [PMID: 35272038 DOI: 10.1016/j.biortech.2022.126955] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/02/2022] [Accepted: 03/03/2022] [Indexed: 06/14/2023]
Abstract
The growth of marine diatom algaeChaetoceros gracilisandThalassiosira weissflogiiin agricultural fertilizers and additional carbon sources were evaluated. The main objective behind the study was to increase the growth and productivity of the diatom acclimatized under adaptive laboratory culture conditions. In optimized conditions,C.gracilisshowed the highest cell density in NPK (202.5 ± 2.6 × 105 cells mL-1), maximum carbohydrate (212.8 ± 4.0 mg g-1) and protein (133.9 ± 1.5 mg g-1) in urea. In contrast,T.weissflogiishowed the highest cell density in glycerol (148.2 ± 2.5x105 cells mL-1), maximum carbohydrate in glycerol (273.7 ± 3.3 mg g-1), and protein in sucrose (126.2 ± 0.7 mg g-1). Lipid content was maximum in glycerol (73.4 ± 0.6%) and glucose (39.7 ± 0.2%) in C. gracilisand T. weissflogii respectively. Increased pigment production and chrysolaminarin concentration were obtained in both marine species. The study highlights the importance of adaptive laboratory evolution as an promising tool in enhancing productivity in diatom algae.
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Affiliation(s)
- Abhishek Saxena
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201301, India
| | - Bharti Mishra
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201301, India
| | - Raveendran Sindhu
- Department of Food Technology, T K M Institute of Technology, Kollam - 691 505, Kerala, India
| | - Parameswaran Binod
- Microbial Processes and Technology Division, CSIR- National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum 695 019, Kerala, India
| | - Archana Tiwari
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201301, India.
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9
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Saxena A, Mishra B, Tiwari A. Mass cultivation of marine diatoms using local salts and its impact on growth and productivity. Bioresour Technol 2022; 352:127128. [PMID: 35398539 DOI: 10.1016/j.biortech.2022.127128] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/02/2022] [Accepted: 04/05/2022] [Indexed: 06/14/2023]
Abstract
Diatoms are of great interest for many biotechnological applications. The present study highlights the comparative analysis for mass cultivation under the effect of seawater made from table salt (TS), rock salt (RS), and synthetic seawater in the presence of normal silica and induction coupled plasma (ICP) nanosilica (Nano Si) for inducing diatom growth. Out of all the test formulations, RS-f/2 Nano Si showed the best results with maximum cell density (3.16x107±0.04 and 3.24x107±0.05 cells mL-1), carbohydrate (403.0±3.4 and 398.0±8.1 mg g-1), and chrysolaminarin yield (66.2±5.5 and 49.3±5.1 mg g-1) in both Chaetoceros gracilis and Thalassiosira weissflogii respectively. The presence of a rich pigment profile and lipids further highlights the importance of TS and RS for cost-effective mass culturing. Results reveal that mass cultivation of marine diatoms with TS and RS in the presence of nanosilica not only reduces costs but also enhances metabolite production.
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Affiliation(s)
- Abhishek Saxena
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201301, India
| | - Bharti Mishra
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201301, India
| | - Archana Tiwari
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201301, India.
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10
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Niraula A, Lamsal M, Lal Das B, Sherchand O, Mishra B. M102 Laboratory errors in clinical biochemistry: The quality of laboratory testing in B.P. Koirala institute of health sciences, Nepal. Clin Chim Acta 2022. [DOI: 10.1016/j.cca.2022.04.200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Mishra B, Purushotham P, Kar P, Payal P, Saha S, Ranjan J, Das S, Deshmukh V. Comparison of Cycle Threshold and Clinical Status Among Different Age Groups of COVID-19 Cases. Int J Infect Dis 2022. [PMCID: PMC8884758 DOI: 10.1016/j.ijid.2021.12.098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Purpose Aim of the study was to compare the viral load and clinical status among different age groups with COVID-19 infection Methods & Materials A retrospective cross-sectional study was carried out to analyse the Ct values of positive samples reported during April 2020 till May 2021. Result of 13,820 number of RT-PCR positive samples were included for analysis of Ct values. Ct values of confirmatory genes were taken into consideration and Ct values below 25, >25 to 30 and >30 was categorized as high, moderate and low viral load respectively. Age group was stratified into ≤18 years, 18-60 and >60 years as young, adult and elderly respectively. The data was analysed using SPSS windows version 25.0. Results The Mean Ct value was 27.9, 26, and 26.2 in young, adult and elderly age group respectively. Mean Ct value of young patients were significantly higher as compared to adult and elderly patients (p<0.05). The percentage of high viral load (Ct<25) was found to be significantly higher in adults and elderly (44.6% & 43.7%) as compared to young (32.2%) (p<0.001). Majority of the covid 19 positive cases belonging to <18 years age (75.9%) were asymptomatic as compared to 64.5% and 59.7% in adult and elderly age groups respectively. Conclusion Present study observed a significantly high proportion of viral load in the adult and elderly population which plays a substantial contribution to SARS CoV-2 transmission, whereas the majority of the young population being asymptomatic play major role as silent transmitters. The study reemphasizes the need for strict adherence to COVID appropriate behaviours.
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12
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Mishra B, Rath S, Mohapatra P, Dutta A, Durgeshwar G, Vedala M, Panigrahi M, Bhuniya S. Tuberculosis and COVID 19: An epidemic submerged in the pandemic: A case series from Eastern India. Int J Infect Dis 2022. [PMCID: PMC8884738 DOI: 10.1016/j.ijid.2021.12.103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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13
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Mishra B, Pandit AK, Miyachi S, Ohshima T, Kawaguchi R, Vishnu VY, Misra S, Srivastava MVP, Srivastava AK, Kale SS, Phalak M. Clinical Utility of Intravascular Ultrasound (IVUS) in Carotid Artery Interventions: A Systematic Review and Meta-analysis. J Endovasc Ther 2021; 29:678-691. [PMID: 34955053 DOI: 10.1177/15266028211064824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Carotid plaque morphology plays an important role in determining outcome of carotid artery stenting (CAS). Intravascular ultrasound (IVUS) and its extension VH (Virtual Histology)-IVUS evaluate plaque characteristics in real time and guide decision making during stenting. To date, there is no consensus about indications of IVUS and its validated methods. This systematic review and meta-analysis aims to evaluate the clinical utility of IVUS in carotid artery interventions (CAS) and develop a future consensus for research and practice parameters. METHODS A systematic review and meta-analysis was performed of the English literature articles published till February 2021. Studies reporting on IVUS parameters and findings and also its performance compared with other imaging modalities were included in review. Pooled prevalence with 95% confidence intervals (CI) was calculated. The statistical analysis was conducted in R version 3.6.2. RESULTS A total of 2015 patients from 29 studies were included. Proportional meta-analysis was performed on 1566 patients from 11 studies. In 9 studies, stroke/transient ischemic attack (TIA) had a pooled prevalence of 4% (95% CI 3%-5%) while asymptomatic stroke had a pooled prevalence of 46% (95% CI 31%-62%) in 4 studies following IVUS. Two studies reported that IVUS detected more plaque protrusion compared with angiography (n=33/396 vs 11/396). IVUS led to stent type or size change in 8 of 48 cases which were missed on angiography in 3 other studies. Concordance between VH-IVUS and true histology was good at 80% to 85% reported in 2 studies. CONCLUSIONS This systematic review and meta-analysis showed, though IVUS fared better to computed tomography (CT)/magnetic resonance (MR) angiography for better stent selection during CAS, with low to moderate risk of bias in the studies included. However, large scale, preferably randomized controlled studies are needed to predict its role in determining clinical outcome.
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Affiliation(s)
- B Mishra
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - A K Pandit
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - S Miyachi
- Department of Neurological Surgery, Neuroendovascular Therapy Center, Aichi Medical University, Nagakute, Japan
| | - T Ohshima
- Department of Neurological Surgery, Neuroendovascular Therapy Center, Aichi Medical University, Nagakute, Japan
| | - R Kawaguchi
- Department of Neurological Surgery, Neuroendovascular Therapy Center, Aichi Medical University, Nagakute, Japan
| | - V Y Vishnu
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - S Misra
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - M V P Srivastava
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - A K Srivastava
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - S S Kale
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
| | - M Phalak
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
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Meh C, Sharma A, Ram U, Fadel S, Correa N, Snelgrove JW, Shah P, Begum R, Shah M, Hana T, Fu SH, Raveendran L, Mishra B, Jha P. Trends in maternal mortality in India over two decades in nationally representative surveys. BJOG 2021; 129:550-561. [PMID: 34455679 PMCID: PMC9292773 DOI: 10.1111/1471-0528.16888] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [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] [Accepted: 08/12/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To assess national and regional trends and causes-specific distribution of maternal mortality in India. DESIGN Nationally representative cross-sectional surveys. SETTING All of India from 1997 to 2020. SAMPLE About 10 000 maternal deaths among 4.3 million live births over two decades. METHODS We analysed trends in the maternal mortality ratio (MMR) from 1997 through 2020, estimated absolute maternal deaths and examined the causes of maternal death using nationally representative data sources. We partitioned female deaths (aged 15-49 years) and live birth totals, based on the 2001-2014 Million Death Study to United Nations (UN) demographic totals for the country. MAIN OUTCOME MEASURES Maternal mortality burden and distribution of causes. RESULTS The MMR declined in India by about 70% from 398/100 000 live births (95% CI 378-417) in 1997-98 to 99/100 000 (90-108) in 2020. About 1.30 million (95% CI 1.26-1.35 million) maternal deaths occurred between 1997 and 2020, with about 23 800 (95% CI 21 700-26 000) in 2020, with most occurring in poorer states (63%) and among women aged 20-29 years (58%). The MMRs for Assam (215), Uttar Pradesh/Uttarakhand (192) and Madhya Pradesh/Chhattisgarh (170) were highest, surpassing India's 2016-2018 estimate of 113 (95% CI 103-123). After adjustment for education and other variables, the risks of maternal death were highest in rural and tribal areas of north-eastern and northern states. The leading causes of maternal death were obstetric haemorrhage (47%; higher in poorer states), pregnancy-related infection (12%) and hypertensive disorders of pregnancy (7%). CONCLUSIONS India could achieve the UN 2030 MMR goals if the average rate of reduction is maintained. However, without further intervention, the poorer states will not. TWEETABLE ABSTRACT We estimated that 1.3 million Indian women died from maternal causes over the last two decades. Although maternal mortality rates have fallen by 70% overall, the poorer states lag behind.
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Affiliation(s)
- C Meh
- Centre for Global Health Research, Unity Health Toronto and Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - A Sharma
- Centre for Global Health Research, Unity Health Toronto and Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - U Ram
- Department of Public Health and Mortality Studies, International Institute for Population Sciences, Mumbai, India
| | - S Fadel
- Centre for Global Health Research, Unity Health Toronto and Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - N Correa
- Department of Internal Medicine, Western University, London, Ontario, Canada
| | - J W Snelgrove
- Department of Obstetrics & Gynaecology, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - P Shah
- Centre for Global Health Research, Unity Health Toronto and Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - R Begum
- Centre for Global Health Research, Unity Health Toronto and Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - M Shah
- Centre for Global Health Research, Unity Health Toronto and Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - T Hana
- Centre for Global Health Research, Unity Health Toronto and Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - S H Fu
- Centre for Global Health Research, Unity Health Toronto and Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - L Raveendran
- Centre for Global Health Research, Unity Health Toronto and Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | | | - P Jha
- Centre for Global Health Research, Unity Health Toronto and Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
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Katuri V, Tang Y, Li C, Jogunoori W, Deng CX, Rashid A, Sidawy AN, Evans S, Reddy EP, Mishra B, Mishra L. Correction: critical interactions between TGF-β signaling/ELF, and E-cadherin/β-catenin mediated tumor suppression. Oncogene 2021; 40:3348-3349. [PMID: 33875789 DOI: 10.1038/s41388-020-01632-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- V Katuri
- Laboratory of Cancer Genetics, Digestive Diseases, and Developmental Molecular Biology, Department of Surgery, Medicine, Lombardi Cancer Center, Georgetown University, Washington, DC, USA
| | - Y Tang
- Laboratory of Cancer Genetics, Digestive Diseases, and Developmental Molecular Biology, Department of Surgery, Medicine, Lombardi Cancer Center, Georgetown University, Washington, DC, USA.,Fels Institute for Cancer Research and Molecular Biology, Temple University, Philadelphia, PA, USA
| | - C Li
- Genetics of Development and Disease Branch, NIDDK, NIH, Bethesda, MD, USA
| | - W Jogunoori
- Laboratory of Cancer Genetics, Digestive Diseases, and Developmental Molecular Biology, Department of Surgery, Medicine, Lombardi Cancer Center, Georgetown University, Washington, DC, USA
| | - C-X Deng
- Genetics of Development and Disease Branch, NIDDK, NIH, Bethesda, MD, USA
| | - A Rashid
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - A N Sidawy
- Department of Surgery, Washington, DC, USA.,Department of Veterans Affairs, Washington, DC, USA
| | - S Evans
- Laboratory of Cancer Genetics, Digestive Diseases, and Developmental Molecular Biology, Department of Surgery, Medicine, Lombardi Cancer Center, Georgetown University, Washington, DC, USA
| | - E P Reddy
- Fels Institute for Cancer Research and Molecular Biology, Temple University, Philadelphia, PA, USA
| | - B Mishra
- Laboratory of Cancer Genetics, Digestive Diseases, and Developmental Molecular Biology, Department of Surgery, Medicine, Lombardi Cancer Center, Georgetown University, Washington, DC, USA.
| | - L Mishra
- Laboratory of Cancer Genetics, Digestive Diseases, and Developmental Molecular Biology, Department of Surgery, Medicine, Lombardi Cancer Center, Georgetown University, Washington, DC, USA. .,Department of Surgery, Washington, DC, USA. .,Department of Veterans Affairs, Washington, DC, USA.
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Bhattacharjya R, Kiran Marella T, Tiwari A, Saxena A, Kumar Singh P, Mishra B. Bioprospecting of marine diatoms Thalassiosira, Skeletonema and Chaetoceros for lipids and other value-added products. Bioresour Technol 2020; 318:124073. [PMID: 32916461 DOI: 10.1016/j.biortech.2020.124073] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [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: 07/26/2020] [Revised: 08/27/2020] [Accepted: 08/30/2020] [Indexed: 06/11/2023]
Abstract
Diatoms are a major storehouse of valuable fucoxanthin and polyunsaturated fatty acids, with enormous nutraceuticals and biofuel potential. Three marine diatom species isolated from the southern coast of India has been screened and their results show that highest biomass concentration and fucoxanthin yield was obtained in Chaetoceros sp. as 0.217 g L-1 and 0.403 mg L-1 respectively. Lipid % as dry cell weight was maximum in Thalassiosira sp. (52%) followed by Skeletonema sp. (44%) and Chaetoceros sp. (22%). However, protein and secondary metabolites content besides the total antioxidant activity was estimated highest in Skeletonema sp. Having strong inhibition zones of 18-20 mm against all the five strains of bacteria also highlights the highest antibacterial prospect in Skeletonema sp. This work manifests the plasticity of diatoms and may provide useful insights for further species-specific selection for large-scale production of eicosapentaenoic acid, docosahexaenoic acid, fucoxanthin and other metabolites with potential health benefits.
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Affiliation(s)
- Raya Bhattacharjya
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201313, India
| | - Thomas Kiran Marella
- Algae Biomass and Energy System R&D Center, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Archana Tiwari
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201313, India.
| | - Abhishek Saxena
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201313, India
| | - Pankaj Kumar Singh
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201313, India
| | - Bharti Mishra
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201313, India
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Jahan R, Mishra B, Behera B, Mohapatra P, Praharaj A. Study of respiratory viruses and the co-infection with bacterial and fungal pathogens in acute exacerbation of chronic obstructive pulmonary diseases. Int J Infect Dis 2020. [DOI: 10.1016/j.ijid.2020.09.1362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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18
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Mishra B, Saxena A, Tiwari A. Biosynthesis of silver nanoparticles from marine diatoms Chaetoceros sp., Skeletonema sp., Thalassiosira sp., and their antibacterial study. ACTA ACUST UNITED AC 2020; 28:e00571. [PMID: 33312881 PMCID: PMC7721619 DOI: 10.1016/j.btre.2020.e00571] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [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: 04/30/2020] [Revised: 08/03/2020] [Accepted: 11/20/2020] [Indexed: 11/29/2022]
Abstract
Marine Diatoms have been envisaged for AgNP synthesis. The average size of AgNP ranges from 150 to 350 nm. Diatom based AgNP exhibits excellent biocidal activity. These AgNP showed inhibition against both Gram-positive and Gram negative bacteria.
Diatoms are a reservoir of metabolites with diverse applications and silver nanoparticle (AgNP) from diatoms holds immense therapeutic potentials against pathogenic microbes owing to their silica frustules. In the present study, Chaetoceros sp., Skeletonema sp., and Thalassiosira sp were used for synthesis of AgNP. The average particle size of AgNP synthesized was 149.03 ± 3.0 nm, 186.73 ± 4.9 nm, and 239.46 ± 44.3 nm as reported in DLS whereas 148.3 ± 46.8 nm, 238.0 ± 60.9 nm, and 359.8 ± 92.33 nm in SEM respectively. EDX analysis strongly indicates the confirmation of AgNP displaying a sharp peak of Ag+ ions within the spectra. High negative zeta potential values indicate a substantial degree of stabilization even after three months. The antibacterial efficacy of biosynthesized AgNP tested against Aeromonas sp., Escherichia coli, Bacillus subtilis, Staphylococcus aureus, and Streptococcus pneumonia exhibits broad-spectrum antibacterial activity. This study encourages the synthesis of diatom based AgNP for a variety of applications owing least toxicity and biodegradable nature.
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Affiliation(s)
- Bharti Mishra
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, 201313, India
| | - Abhishek Saxena
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, 201313, India
| | - Archana Tiwari
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, 201313, India
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Mishra B. tamasomā jyotirgamaya: Seeking the Self Amidst Covids' Cytokine Cyclones. J Indian Inst Sci 2020; 100:663-672. [PMID: 33106735 PMCID: PMC7578442 DOI: 10.1007/s41745-020-00186-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 09/03/2020] [Indexed: 12/02/2022]
Abstract
Pondering on pandemics and the promise of purification from the plethora of problems that it has spawned, the paper builds on a game-theoretic model of host–pathogen interaction, and... moves beyond. It highlights how quickly this ‘wicked’ problem has led to deceptive Nash equilibria of certain information-asymmetric games as well as their sequels of more complex intertwined games at human scale but without an exit strategy in sight. In the absence of clarity (e.g., access to complete information) and yet facing a capricious and complex conspirator, we overview an exemplary solution, created by RxCovea, and examine how it might help.
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Affiliation(s)
| | - B Mishra
- Mathematics and CS, Courant Institute of Mathematical Sciences, NYU, 251 Mercer Street, New York, NY 10012 USA.,CSE, Tandon School of Engineering, New York, USA.,Cell Biology, NYU School of Medicine, New York, USA.,QB, Cold Spring Harbor Lab, New York, USA.,Oncology, New York Genome Center, New York, USA.,Human Genetics, Mt. Sinai School of Medicine, New York, USA
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20
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Mishra B, jayakumar M, Barathi G. SAT-414 CLINICO-PATHOLOGICAL BASED PREDICTORS OF END STAGE RENAL DISEASE IN IgA NEPHROPATHY - EXPERIENCE FROM A TERTIARY CARE CENTRE IN SOUTHERN INDIA. Kidney Int Rep 2020. [DOI: 10.1016/j.ekir.2020.02.438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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21
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Mishra B, Mohapatra PR. Expand the RRDR hotspot to improve GeneXpert results. Int J Tuberc Lung Dis 2019; 23:1043. [PMID: 31657297 DOI: 10.5588/ijtld.19.0103] [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: 11/10/2022] Open
Affiliation(s)
- B Mishra
- Department of Microbiology* and Department of Pulmonary Medicine & Critical Care All India Institute of Medical Sciences, Bhubaneswar, India
| | - P R Mohapatra
- Department of Microbiology* and Department of Pulmonary Medicine & Critical Care All India Institute of Medical Sciences, Bhubaneswar, India
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22
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Mishra B, Chakraborty D, Makkadayil S, Patil S, Nallani B. Hardware Acceleration of Computer Vision and Deep Learning Algorithms on the Edge using OpenCL. EAI Endorsed Transactions on Cloud Systems 2019. [DOI: 10.4108/eai.5-11-2019.162597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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23
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Kwok S, Garside B, Rajbhandari S, Hough M, Smith J, Al-bahrani A, Basu A, Mishra B, Bickerton A, Soran H. Screening for lald in lipid clinics. ATHEROSCLEROSIS SUPP 2019. [DOI: 10.1016/j.atherosclerosissup.2019.08.016] [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: 11/28/2022]
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24
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Sahoo SK, Tiwari JN, Mishra B, Sarma S, Pragnya P, Mohanty UK. Prediction of Flow Characteristics of Al2O3–CaO–MgO–SiO2–TiO2-Type Blast Furnace Slag and Its Evaluation. Arab J Sci Eng 2019. [DOI: 10.1007/s13369-019-03878-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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Stewart BT, Kazerooni Y, Mishra B, Adu EK, Clarke D, Pham TN, Gibran N. 278 A Comprehensive Legislative Framework to Address Chemical Assault. J Burn Care Res 2019. [DOI: 10.1093/jbcr/irz013.196] [Citation(s) in RCA: 2] [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: 11/13/2022]
Affiliation(s)
- B T Stewart
- University of Washington, Seattle, WA; The Ohio State University College of Medicine, Columbus, OH; King Georges Medical University, Lucknow, India; Kwame Nkumrah University of Science and Technology, Kumasi, Ghana; Nelson Mandela School of Medicine, University of Kwa Zulu Natal, Durban, South Africa
| | - Y Kazerooni
- University of Washington, Seattle, WA; The Ohio State University College of Medicine, Columbus, OH; King Georges Medical University, Lucknow, India; Kwame Nkumrah University of Science and Technology, Kumasi, Ghana; Nelson Mandela School of Medicine, University of Kwa Zulu Natal, Durban, South Africa
| | - B Mishra
- University of Washington, Seattle, WA; The Ohio State University College of Medicine, Columbus, OH; King Georges Medical University, Lucknow, India; Kwame Nkumrah University of Science and Technology, Kumasi, Ghana; Nelson Mandela School of Medicine, University of Kwa Zulu Natal, Durban, South Africa
| | - E K Adu
- University of Washington, Seattle, WA; The Ohio State University College of Medicine, Columbus, OH; King Georges Medical University, Lucknow, India; Kwame Nkumrah University of Science and Technology, Kumasi, Ghana; Nelson Mandela School of Medicine, University of Kwa Zulu Natal, Durban, South Africa
| | - D Clarke
- University of Washington, Seattle, WA; The Ohio State University College of Medicine, Columbus, OH; King Georges Medical University, Lucknow, India; Kwame Nkumrah University of Science and Technology, Kumasi, Ghana; Nelson Mandela School of Medicine, University of Kwa Zulu Natal, Durban, South Africa
| | - T N Pham
- University of Washington, Seattle, WA; The Ohio State University College of Medicine, Columbus, OH; King Georges Medical University, Lucknow, India; Kwame Nkumrah University of Science and Technology, Kumasi, Ghana; Nelson Mandela School of Medicine, University of Kwa Zulu Natal, Durban, South Africa
| | - N Gibran
- University of Washington, Seattle, WA; The Ohio State University College of Medicine, Columbus, OH; King Georges Medical University, Lucknow, India; Kwame Nkumrah University of Science and Technology, Kumasi, Ghana; Nelson Mandela School of Medicine, University of Kwa Zulu Natal, Durban, South Africa
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Panthi S, Poudel S, Mishra B. First stop human depredation to double the number of Bengal tigers. Anim Conserv 2018. [DOI: 10.1111/acv.12451] [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: 11/27/2022]
Affiliation(s)
- S. Panthi
- Department of Forests Ministry of Forests and Environment Babarmahal, Kathmandu Nepal
| | - S. Poudel
- Sentinel Engineering Consultancy Kathmandu Nepal
| | - B. Mishra
- Faculty of Geo‐Information Science and Earth Observation (ITC) University of Twente Enschede The Netherlands
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Gupta A, Aslam M, Rathi S, Mishra B, Bhardwaj S, Jhamb R, Madhu S. Association of Vitamin D Levels and type 2 Diabetes Mellitus in Asian Indians is Independent of Obesity. Exp Clin Endocrinol Diabetes 2018; 126:553-558. [DOI: 10.1055/s-0043-124076] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [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: 10/17/2022]
Abstract
Abstract
Background A large proportion of subjects with type 2 diabetes mellitus (T2DM) in India are non-obese. Asian-Indian subjects with diabetes have been shown to have low vitamin D levels. Whether low vitamin D levels and T2DM in Asian-Indians is attributable to the associated obesity as in caucasians is unclear. Hence we studied the association of vitamin D levels and T2DM in Asian-Indians with or without obesity.
Methods Total of 213 subjects were recruited in four groups, group 1-Non-obese diabetic, group 2-Non-obese non-diabetic, group 3-Obese diabetic and group 4-Obese non-diabetic. Subjects recruited under various groups were matched for age and sex. Anthropometry, skin-fold thickness, fasting and postprandial plasma glucose, HbA1c, fasting insulin, lipids and vitamin D levels were measured in all study subjects and were compared between the groups.
Results Mean age of study population was 41.23±7.43 years. Mean BMI in groups 1,2,3 and 4 was 21.34±1.41, 20.53±2.27, 27.72±2.94 and 27.62±3.37 kg/m2 respectively. Overall 64.3% study subjects had vitamin D deficiency and 27.7% had insufficient vitamin D levels. Significantly lower vitamin D levels were found in diabetic groups 1 and 3 compared to non-diabetic groups 2 and 4. No significant difference was observed in vitamin D levels between groups 1 and 3. Similarly, no significant difference was observed in vitamin D levels between groups 2 and 4. Vitamin D levels did not show any significant correlation with BMI, waist or body fat.
Conclusion Vitamin D levels do not appear to be related to obesity in diabetic as well non-diabetic Asian-Indian individuals.
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Affiliation(s)
- A. Gupta
- Department of Endocrinology, Centre for Diabetes Endocrinology & Metabolism
| | - M. Aslam
- Department of Endocrinology, Centre for Diabetes Endocrinology & Metabolism
| | - S. Rathi
- Department of Endocrinology, Centre for Diabetes Endocrinology & Metabolism
| | - B. Mishra
- Department of Endocrinology, Centre for Diabetes Endocrinology & Metabolism
| | - S. Bhardwaj
- Department of Endocrinology, Centre for Diabetes Endocrinology & Metabolism
| | - R. Jhamb
- Department of Medicine, University College of Medical Sciences (University of Delhi) and GTB Hospital, Delhi, India
| | - S. Madhu
- Department of Endocrinology, Centre for Diabetes Endocrinology & Metabolism
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Samanta GC, Mishra B. Anisotropic Cosmological Model in Presence of Holographic Dark Energy and Quintessence. Iran J Sci Technol Trans Sci 2017. [DOI: 10.1007/s40995-017-0263-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Goel R, Nagpal S, Kamal S, Kumar S, Mishra B, Loomba PS. Study of microbial growth on silicone tubes after transcanalicular laser-assisted dacryocystorhinostomy and correlation with patency. Nepal J Ophthalmol 2017; 8:119-127. [PMID: 28478465 DOI: 10.3126/nepjoph.v8i2.16992] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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
INTRODUCTION Intubation in primary transcanalicular laser assisted dacryocystorhinostomy (TCLADCR) is performed to increase the success rates. However, the associated inflammation and infection can have adverse effects. OBJECTIVE To study the microbial infection and drug susceptibility of extubated silicone tubes and final anatomical patency in patients undergoing TCLADCR. MATERIALS AND METHODS A non-randomised prospective interventional study was conducted in a tertiary care eye centre. The study included twenty consecutive adult patients with primary nasolacrimal duct obstruction. They underwent TCLADCR with bicanalicular silicone intubation. The stents were removed at 2 months and subjected to culture sensitivity, followed by administration of appropriate antimicrobial agents. Main outcome measures studied were the microbial spectrum on the cultured tubes, their sensitivity profile and its correlation with final anatomical patency. RESULTS A positive culture was obtained in 100% cases, comprising of normal commensals and pathogenic organisms. Of the total 24 isolates, 16 (66.6%) Gram positive bacteria (75% Staphylococcus aureus) and 8 (33.3%) Gram negative bacteria (commonest E.coli) were found, with 4 tubes having more than one isolate. No fungal growth was seen. Ninety percent success rate was achieved at one year following appropriate antimicrobial therapy except in 2 patients with gram negative isolates who had failed to take the prescribed antibiotics following sensitivity reports. There was no correlation between multiple infections and success rate. However, by using the Fisher exact test, a positive correlation was obtained between appropriate antibiotic treatment and the final anatomical patency (p less than 0.05). CONCLUSION Silicone intubation predisposes to microbial growth, which if neglected, can lead to failure of TCLADCR.
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Sapkota J, Mishra B, Jha B, Sharma M. Bacteriological profile and their antimicrobial susceptibility pattern in central venous catheter tip culture. J Pathol Nep 2017. [DOI: 10.3126/jpn.v7i1.16670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Background: Bacterial colonization of central venous catheter (CVC) carries risk of developing catheter-related blood stream infections (CRBSI). The purpose of this study is to find out the frequency of colonization of CVC by different bacterial pathogens and their antibiotic sensitivity pattern.Materials and Methods: A total of 53 CVC tip were received in one-year duration for culture and antibiotic sensitivity pattern. The isolated organisms were identified by standard microbiological procedure and subjected to antimicrobial sensitivity.Results: out of 53 CVC tip sent for culture and sensitivity, 21 (39.6%) showed significant growth. Out of 21 culture positive 52.3% were gram negative bacilli, 33.3% were gram positive cocci, 4.8% were Candida spp. Acenitobacter baumannii and Staphylococcus aureus were frequent pathogens isolated. Gram negative bacteria were less sensitive to antibiotics whereas gram positive bacteria were sensitive to Vancomycin.Conclusion: Though various organisms were isolated as colonizer of CVC, Acenitobacter baumannii is the most common colonizer. Antibiotic resistance has already emerged and represents a major problem.
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Srivastava S, Agarwal J, Mishra B, Srivastava R. Virulence versus fitness determinants in Escherichia coli isolated from asymptomatic bacteriuria in healthy nonpregnant women. Indian J Med Microbiol 2016; 34:46-51. [PMID: 26776118 DOI: 10.4103/0255-0857.174103] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE Escherichia coli isolated from asymptomatic bacteriuria (ABU) correlated genotypically and phenotypically with cystitis isolates may help in distinguishing urovirulence determinants from 'fitness factors', latter necessary only for survival of E. coli in urinary tract; for gaining insight into the pathogenesis of urinary tract infection. MATERIALS AND METHODS In this cross-sectional study, we compared genotypic (phylogroups and 15 putative virulence genes), and phenotypic profiles of ABU E. coli strains with our previously genotyped collection of cystitis isolates. Virulence score was calculated for each isolate as a number of virulence genes detected. RESULTS Significant differences were observed in the proportion of four phylogenetic groups (P=0.009) amongst cystitis and ABU isolates. Average virulence score was higher for ABU isolates (6.6) than cystitis strains (4.2); and hlyA (P=0.001), cytotoxic necrotising factor 1 (P=0.00), fyuA (P=0.00), ibeA (P=0.00), kpsMII (P=0.01), and malX/pathogenicity-associated island (P=0.01) were more frequently present in ABU strains. CONCLUSIONS The expression of adhesins, haemolysin, aerobactin, and capsule synthesis gene were similar in two groups suggesting their role as fitness factors. ABU isolates were better biofilm producers, reflecting its importance in silent persistence. Serum resistance gene which was more expressed in cystitis isolates may represent virulence determinant. Genetic makeup of E. coli does not change much rather genes helping in survival and colonisation are expressed equally in ABU and cystitis isolates as opposed to phenotypic attenuation of those that helps in invasion or inflammation in ABU isolates.
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Affiliation(s)
| | - Jyotsna Agarwal
- Department of Microbiology, King George's Medical University, Lucknow, Uttar Pradesh, India
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Mishra B, Behera B. The mysterious Zika virus: Adding to the tropical flavivirus mayhem. J Postgrad Med 2016; 62:249-254. [PMID: 27763483 PMCID: PMC5105211 DOI: 10.4103/0022-3859.191006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 05/01/2016] [Accepted: 05/28/2016] [Indexed: 11/04/2022] Open
Abstract
Until now, known as the demure cousin of dengue virus (DENV) inhabiting Africa, Zika virus (ZIKV) has reinvented itself to cause explosive epidemics captivating the Western hemisphere. The outbreak causing potential for ZIKV was realized when it made its way from Africa to Yap Island Micronesia in 2007, and in French Polynesia in 2013. From there, it moved on to Brazil in 2015. Now ZIKV has infected people in more than 33 countries in Central and South America and the Caribbean. Moreover the epidemiological and subsequent virological association with microcephaly cases in Brazil has prompted the World Health Organization to declare a public health emergency of International Concern. ZIKV shares not only its vector Aedes aegypti with dengue and chikungunya but also the geographic distribution and clinical features, which makes the laboratory confirmation mandatory for definitive diagnosis. The serological cross-reactivity with other Flavivirus, particularly with DENV makes laboratory confirmation challenging and will place additional burden on health systems to establish molecular diagnostic facilities. The evidence of additional nonvector modes of transmission, such as perinatal, sexual as well as transfusion has made preventative strategies more difficult. As ZIKV disease continues to mystify us with several unanswered questions, it calls for coordinated effort of global scientific community to address the ever growing arboviral threat to mankind.
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Affiliation(s)
- B Mishra
- Department of Microbiology, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
| | - B Behera
- Department of Microbiology, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
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Bhatia M, Loomba PS, Mishra B, Dogra V, Thakur A. Reduced susceptibility of carbapenem-resistant Klebsiella pneumoniae to biocides: An emerging threat. Indian J Med Microbiol 2016; 34:355-8. [DOI: 10.4103/0255-0857.188345] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Awasthi SK, Bajpai SK, Utiye AS, Mishra B. Gelatin/poly(aniline) composite films: Synthesis and characterization. Journal of Macromolecular Science, Part A 2016. [DOI: 10.1080/10601325.2016.1151650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Behera B, Mohanty S, Mishra B, Praharaj A. Melioidosis: An underdiagnosed entity in Odisha. A series of four cases over a two months period. Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.02.394] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Mishra B, Beesetti H, Advait A, Swaminathan S, Aduri R. Elucidating the role of essential RNA secondary structural elements in dengue biology and their implication in dengue virulence. Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.02.948] [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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Mishra B, Srivastava R, Agarwal J, Srivastava S, Pandey A. Behavioral and Psychosocial Risk Factors Associated with First and Recurrent Cystitis in Indian Women: A Case-control Study. Indian J Community Med 2016; 41:27-33. [PMID: 26917870 PMCID: PMC4746950 DOI: 10.4103/0970-0218.170962] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [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] [Indexed: 11/17/2022] Open
Abstract
Background: The risk factors for urinary tract infections (UTIs) from developed countries are not applicable to women from developing world. Objective: To analyze the behavioral practices and psychosocial aspects pertinent to women in our region and assess their association with acute first time or recurrent UTI. Materials and Methods: Sexually active premenopausal women with their first (145) and recurrent (77) cystitis with Escherichia coli as cases and women with no prior history of UTI as healthy controls (257) were enrolled at a tertiary care hospital in India, between June 2011 and February 2013. Questionnaire-based data was collected from each participant through a structured face-to-face interview. Results: Using univariate and multivariate regression models, independent risk factors for the first episode of cystitis when compared with healthy controls were (presented in odds ratios [ORs] with its 95% confidence interval [CI]): Anal sex (OR = 3.68, 95% CI = 1.59-8.52), time interval between last sexual intercourse and current episode of UTI was <5 days (OR = 2.27, 95% CI = 1.22-4.23), use of cloth during menstrual cycle (OR = 2.36, 95% CI = 1.31-4.26), >250 ml of tea consumption per day (OR = 4.73, 95% CI = 2.67-8.38), presence of vaginal infection (OR = 3.23, 95% CI = 1.85-5.62) and wiping back to front (OR = 2.52, 95% CI = 1.45-4.38). Along with the latter three, history of UTI in a first-degree female relative (OR = 10.88, 95% CI = 2.41-49.07), constipation (OR = 4.85, 95% CI = 1.97-11.92) and stress incontinence (OR = 2.45, 95% CI = 1.18-5.06) were additional independent risk factors for recurrent cystitis in comparison to healthy controls. Conclusion: Most of the risk factors for initial infection are potentially modifiable but sufficient to also pose risk for recurrence. Many of the findings reflect the cultural and ethnic practices in our country.
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Affiliation(s)
- Bharti Mishra
- Department of Microbiology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Richa Srivastava
- Department of Microbiology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Jyotsna Agarwal
- Department of Microbiology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Sugandha Srivastava
- Department of Microbiology, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Amita Pandey
- Department of Obstetrics and Gynaecology, King George's Medical University, Lucknow, Uttar Pradesh, India
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Mishra B, Sharma M, Sarkar S, Bahl A, Saikia UN, Ratho RK. Tumour necrosis factor-alpha promoter polymorphism and its association with viral dilated cardiomyopathy in Indian population: A pilot study. Indian J Med Microbiol 2015; 33:16-20. [DOI: 10.4103/0255-0857.148370] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Padhi TR, Rath S, Jalali S, Pradhan L, Kesarwani S, Nayak M, Mishra B, Panda KG, Suttar S. Larger and near-term baby retinopathy: a rare case series. Eye (Lond) 2014; 29:286-9. [PMID: 25359288 DOI: 10.1038/eye.2014.253] [Citation(s) in RCA: 7] [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] [Received: 01/30/2014] [Accepted: 09/23/2014] [Indexed: 11/09/2022] Open
Abstract
PURPOSE To report retinopathy in a series of four babies unusually beyond the screening standards reported so far in the literature. METHODS During routine screening for retinopathy of prematurity, we detected retinopathy in four babies who were surprisingly bigger and older than the screening standards. The gestational age (GA), birth weight (BW), post menstrual age at first examination and significant perinatal events were noted. The retinopathy details imaged by the RetCam were classified as per ICROP revisited standards. RESULT The GA ranged from 36 to 39 weeks and BW from 2.4 to 3.0 kg. Three of them had retinopathy in zone III that regressed spontaneously and one had marked plus with vascular arcades and shunts in zone II that regressed after laser photocoagulation. All of them had fetal distress and multiple systemic comorbidities in the neonatal period. CONCLUSION This report makes one aware of the possibility of retinopathy in newborn of older GA and larger BW especially with fetal distress and stormy neonatal course.
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Affiliation(s)
- T R Padhi
- Retina-Vitreous Services, L V Prasad Eye Institute, Bhubaneswar, India
| | - S Rath
- Retina-Vitreous Services, L V Prasad Eye Institute, Bhubaneswar, India
| | - S Jalali
- Srimati Kanuri Santhamma Centre for Vitreoretinal Diseases, L V Prasad Eye Institute, Hyderabad, India
| | - L Pradhan
- Infosys Pediatric Center, Capital Hospital, Bhubaneswar, India
| | - S Kesarwani
- Retina-Vitreous Services, L V Prasad Eye Institute, Bhubaneswar, India
| | - M Nayak
- Department of Pediatrics, Kalinga Institute of Medical Sciences, Bhubaneswar, India
| | - B Mishra
- Pediatric Unit, Jagannath Hospital, Bhubaneswar, India
| | - K G Panda
- Retina-Vitreous Services, L V Prasad Eye Institute, Bhubaneswar, India
| | - S Suttar
- Retina-Vitreous Services, L V Prasad Eye Institute, Bhubaneswar, India
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Agarwal J, Mishra B, Srivastava S, Srivastava R, Pandey A. Virulence determinants in Escherichia coli associated with recurrent cystitis in sexually active women. Microb Pathog 2014; 74:38-41. [PMID: 25107739 DOI: 10.1016/j.micpath.2014.07.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Revised: 06/26/2014] [Accepted: 07/21/2014] [Indexed: 11/19/2022]
Abstract
More than a quarter of women who experience acute cystitis develop recurrence but information on specific urovirulent genetic profile of uropathogenic Escherichia coli associated with recurrent cystitis is still limited. In this prospective cohort study, index episode E. coli from a cohort of 46 sexually active women with acute cystitis who reported recurrence during followup were grouped into repeat infection (RI) and single infection (SI) isolates, based on enterobacterial repetitive intergenic consensus (ERIC) PCR profile comparison with subsequent E. coli isolated from same women. PCR for phylogrouping and 15 virulence genes along with test for biofilm formation were done. Virulence score was calculated for each isolate as number of virulence genes detected. Among 46 index E. coli, 22 were RI, and 24 were SI isolates. RI isolates had phylogroup B2 as majority (54.5%) which is typically described as more virulent phylogroup and virulence score for RI isolates was also significantly higher compared to SI isolates. Virulence gene malX (p = 0.03) was significantly associated with RI isolates. 68.2% RI isolates were strong to moderate biofilm producers in comparison to 33.3% SI isolates, an important survival strategy to reside in bladder and or vagina. Overall, E. coli associated with recurrent cystitis appear to be more virulent and malX seems to have a role in causing repeat infection.
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Affiliation(s)
- Jyotsna Agarwal
- Department of Microbiology, King George's Medical University, Lucknow, U.P 226003, India.
| | - Bharti Mishra
- Department of Microbiology, King George's Medical University, Lucknow, U.P 226003, India.
| | - Sugandha Srivastava
- Department of Microbiology, King George's Medical University, Lucknow, U.P 226003, India.
| | - Richa Srivastava
- Department of Microbiology, King George's Medical University, Lucknow, U.P 226003, India.
| | - Amita Pandey
- Department of Obstetrics & Gynaecology, King George's Medical University, Lucknow, U.P 226003, India.
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Srivastava R, Agarwal J, Srivastava S, Mishra B. Role of special pathogenicity versus prevalence theory in pathogenesis of acute cystitis caused by Escherichia coli. J Med Microbiol 2014; 63:1038-1043. [PMID: 24899598 DOI: 10.1099/jmm.0.073270-0] [Citation(s) in RCA: 7] [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: 11/18/2022] Open
Abstract
Escherichia coli is the most common pathogen causing acute cystitis in sexually active women. Human faeces are generally considered the primary reservoir for infection and the faecal-perineal-urethral pathway is the accepted route of infection. Two theories have been proposed for the pathogenesis of acute cystitis: (1) special pathogenicity, where uropathogenic E. coli (UPEC) encoding special virulence factors causes infection; and (2) prevalence, wherein ordinary faecal E. coli causes infection by simple mass action. The aim of this study was to compare concurrent urinary E. coli isolates from women with acute cystitis with their own dominant faecal, vaginal E. coli isolates; thus, these patients served as their own control. E. coli isolates from 80 women were analysed by phylotyping, virulence profiling (for 15 putative virulence genes) and enterobacterial repetitive intergenic consensus (ERIC) PCR. A virulence score was calculated for each isolate based on the number of virulence genes detected. Four host ecological groups of E. coli were created on the basis of ERIC PCR: group UVF, where vaginal and faecal isolates yielded the infecting urine clone; group UV, where only vaginal isolates yielded the infecting urine clone; group UF, where faecal isolates yielded the infecting urine clone; and group U, where the infecting urine clone was distinct. In the majority of cases the infecting E. coli clone from urine was also the dominant faecal clone (56.3%; groups UVF and UF possessing high virulence scores of 4.6 and 3.9, respectively), indicating that both mechanisms play a role in pathogenesis. Non-dominant yet virulent faecal clones or an external source of E. coli seems a possibility in the UV group (13.7%, VF score 4.8). In 30% of patients (U group) the infecting urine clone was non-dominant and possessed a low virulence score (2.7); suggesting a possible role for host factors in establishing infection.
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Affiliation(s)
- Richa Srivastava
- Department of Microbiology, King George's Medical University, Lucknow, UP 226003, India
| | - Jyotsna Agarwal
- Department of Microbiology, King George's Medical University, Lucknow, UP 226003, India
| | - Sugandha Srivastava
- Department of Microbiology, King George's Medical University, Lucknow, UP 226003, India
| | - Bharti Mishra
- Department of Microbiology, King George's Medical University, Lucknow, UP 226003, India
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Flynn TM, O'Loughlin EJ, Mishra B, DiChristina TJ, Kemner KM. Sulfur-mediated electron shuttling during bacterial iron reduction. Science 2014; 344:1039-42. [DOI: 10.1126/science.1252066] [Citation(s) in RCA: 130] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Sharma M, Mishra B, Saikia U, Bahl A, Ratho R. Association of enterovirus with dilated cardiomyopathy and an effective in-vitro therapeutic strategy against viral infection. Int J Infect Dis 2014. [DOI: 10.1016/j.ijid.2014.03.1099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Suri V, Bhalla A, Sagar V, Abrol A, Mishra B, Lakshmi P, Singh M, Ratho R, Varma S. Profiles of H1N1 positive patients: A study in a tertiary care hospital In north India. Int J Infect Dis 2014. [DOI: 10.1016/j.ijid.2014.03.1073] [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: 11/25/2022] Open
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Upadhyaya D, Kumar V, Mishra B, Prasad V, Singh AK. Evolving consensus in cleft care guidelines: Proceedings of the 13thannual conference of the Indian society of cleft lip palate and craniofacial anomalies. J Cleft Lip Palate Craniofac Anomal 2014. [DOI: 10.4103/2348-2125.137897] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Mishra B, Koshi K, Kizaki K, Ushizawa K, Takahashi T, Hosoe M, Sato T, Ito A, Hashizume K. Expression of ADAMTS1 mRNA in bovine endometrium and placenta during gestation. Domest Anim Endocrinol 2013; 45:43-8. [PMID: 23751571 DOI: 10.1016/j.domaniend.2013.04.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2013] [Revised: 04/15/2013] [Accepted: 04/16/2013] [Indexed: 10/26/2022]
Abstract
A disintegrin and metalloproteinase with thrombospondin motifs 1 (ADAMTS1) is a secreted protease. Through the regulation of extracellular matrix remodeling or developmental processes or both, ADAMTS1 is involved in several biological functions, including ovulation and embryo receptivity. However, the expression and possible role of ADAMTS1 in bovine endometrium is unknown. In this study, we analyzed ADAMTS1 mRNA expression in bovine endometrium during the estrous cycle, peri-implantation period, and at different stages of gestation by using quantitative real-time RT-PCR (qPCR) and in situ hybridization. The qPCR results indicated that the expression of ADAMTS1 mRNA was not affected by the day of the estrous cycle and was similar to cyclic levels on day 35 of gestation; however, the expression was more abundant in cotyledonary tissues of the placenta during late gestation. The in situ hybridization study showed that ADAMTS1 mRNA was detected mainly in uterine luminal epithelia and stromal cells during the estrous cycle and peri-implantation period. A disintegrin and metalloproteinase with thrombospondin motifs 1 mRNA was also expressed in the peri-implantation conceptus as well as in trophoblast cells, which include binucleate cells, and increased during late gestation. Furthermore, treatment of stromal cell with progesterone (300 nM) stimulated the expression of ADAMTS1 mRNA. This study indicates that ADAMTS1 participates in bovine endometrial remodeling, which is required for implantation and placental development in coordination with ovarian steroids.
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Affiliation(s)
- B Mishra
- Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Iwate University, Ueda 3-18-8, Morioka, Iwate 020-8550, Japan
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Mishra B, Mahaseth C, Rayamajhi A. Latex Agglutination Test for Early Detection of Causative Organism in Acute Bacterial Meningitis. J Nepal Paedtr Soc 2013. [DOI: 10.3126/jnps.v33i1.7047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Introduction: Acute bacterial meningitis is one of the leading causes of mortality and morbidity in children. Identification of the causative organism is crucial to its management and outcome. The objective of this study was to see the usefulness of latex agglutination test in the early diagnosis of acute bacterial meningitis. Materials and Methods: A hospital based prospective cross-sectional study was conducted at Kanti Children’s Hospital during December 2004 to August 2005. Cerebrospinal fluid from 150 consecutive clinically suspected cases of acute bacterial meningitis between the age group of 2 months to 14 years were analyzed. Bacterial culture and latex agglutination test was done on cerebrospinal fluid obtained from all 150 suspected cases of acute bacterial meningitis. Latex agglutination test was done using the BD DirectigenTM Meningitis Combo test kit (Becton, Dickinson and company, USA) for Streptococcus pneumoniae, group B Streptococcus, Escherichia coli, Neisseria meningitidis group A,C and Y/ W135, and Hemophilus influenzae type b. Data was analysed by using SPSS Version 11.5. Results: Of the 150 Cerebrospinal fluid samples analysed bacterial culture identified only 4 meningitis cases giving an isolation rate of 1.3% whereas latex agglutination test identified 29 cases giving an isolation rate of 19.3% from 150 samples. Streptococcus pneumoniae, Hemophilus influenzae type b and Group B Streptococcus were the most common causative organism. Conclusion: Latex agglutination test has a better yield, higher sensitivity, provides microbiological diagnosis earlier than the traditional cerebrospinal fluid culture and is easy to perform. DOI: http://dx.doi.org/10.3126/jnps.v33i1.7047 J Nepal Paediatr Soc. 2013;33(1):34-38
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Bose SK, Yadav RK, Mishra S, Sangwan RS, Singh AK, Mishra B, Srivastava AK, Sangwan NS. Effect of gibberellic acid and calliterpenone on plant growth attributes, trichomes, essential oil biosynthesis and pathway gene expression in differential manner in Mentha arvensis L. Plant Physiol Biochem 2013; 66:150-8. [PMID: 23514759 DOI: 10.1016/j.plaphy.2013.02.011] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2012] [Accepted: 02/14/2013] [Indexed: 05/12/2023]
Abstract
Extensive research is going on throughout the world to find out new molecules from natural sources to be used as plant growth promoter. Mentha arvensis L. is the main source of menthol rich essential oil used commercially in various food, pharmaceutical and other preparations. Experiments were conducted on field grown plants for understanding the effect of calliterpenone (CA), a stereo-isomer of abbeokutone, in comparison to gibberellic acid (GA3) on growth attributes, trichomes, essential oil biosynthesis and expression of some oil biosynthetic pathway genes. The exogenous application of CA (1 μM, 10 μM and 100 μM) was found to be better in improving plant biomass and stolon yield, leaf area, branching and leaf stem ratio than with counterpart GA3 at the same concentrations. CA treated plants showed higher glandular trichome number, density and diameter and also correlated with enhanced oil biogenetic capacity as revealed by feeding labeled (14)C-sucrose for 72 h to excised shoots. Semi-quantitative PCR analysis of key pathway genes revealed differential up regulation under CA treatments. Transcript level of menthol dehydrogenase/menthone reductase was found highly up regulated in CA treated plants with increased content of menthone and menthol in oil. These findings demonstrate that CA positively regulated the yields by enhanced branching and higher density of trichomes resulting into higher accumulation of essential oil. The results suggest CA as a novel plant derived diterpenoid with growth promoting action and opens up new possibilities for improving the crop yields and essential oil biosynthesis in qualitative and quantitative manner.
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Affiliation(s)
- Subir K Bose
- Metabolic and Structural Biology Department, CSIR-Central Institute of Medicinal and Aromatic Plants (CIMAP), Lucknow, India
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Agarwal J, Mishra B, Srivastava S, Srivastava R. Genotypic characteristics and biofilm formation among Escherichia coli isolates from Indian women with acute cystitis. Trans R Soc Trop Med Hyg 2013; 107:183-7. [PMID: 23296752 DOI: 10.1093/trstmh/trs090] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The purpose of present study was to characterize uropathogenic Escherichia coli (UPEC) associated with acute cystitis in Indian women. METHODS In this prospective descriptive study we investigated phylogenetic background and virulence genotypes for 15 genes by multiplex PCR and in vitro biofilm formation ability of 172 E. coli strains and explored possible association amongst them. RESULTS Most isolates (81, 47.1%) belonged to group B2 and A (50, 29.1%); few were from groups B1 (22, 12.7%) and D (19, 11.1%). The mean virulence scores of phylogroups A, B1, B2 and D were 3.3, 4.0, 4.6 and 4.9, respectively. We found higher prevalence of fimH, traT iutA, kpsMII, papG allele II and fyuA genes indicating putative role of adhesins, iron acquisition systems and protectins in causing bladder infection. Total 145 (84.3%) isolates produced biofilm; majority were weak biofilm producers and there was no significant difference in intensity and biofilm formation ability amongst various phylogroups or virulence scores. The phylogenetic distribution was different from western studies, including a lower prevalence of group B2 (dominant but not a majority), followed by group A, and some traditionally group B2-associated virulence genes were more prevalent in phylogroup A isolates. CONCLUSIONS Distribution of virulence genotypes and phylotypes can vary with geographical location and the isolates from western countries cannot be treated as prototypes for Asian cystitis isolates.
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Affiliation(s)
- Jyotsna Agarwal
- Department of Microbiology, King George's Medical University, Lucknow, U.P.-226003, India.
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