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47 results on '"Depickère, Stéphanie"'

1. Hybrid Immunity Overcomes Defective Immune Response to COVID-19 Vaccination in Kidney Transplant Recipients

Author

Gemander, Nicolas, Kemlin, Delphine, Depickère, Stéphanie, Kelkar, Natasha S., Pannus, Pieter, Sharma, Shilpee, Waegemans, Alexandra, Olislagers, Véronique, Georges, Daphnée, Dhondt, Emilie, Braga, Margarida, Heyndrickx, Leo, Michiels, Johan, Thiriard, Anaïs, Lemy, Anne, Vandevenne, Marylène, Goossens, Maria E., Matagne, André, Desombere, Isabelle, Ariën, Kevin K., Ackerman, Margaret E., Le Moine, Alain, and Marchant, Arnaud

Published
2024
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3. Humoral and cellular immune correlates of protection against COVID-19 in kidney transplant recipients

Author

Kemlin, Delphine, Gemander, Nicolas, Depickère, Stéphanie, Olislagers, Véronique, Georges, Daphnée, Waegemans, Alexandra, Pannus, Pieter, Lemy, Anne, Goossens, Maria E., Desombere, Isabelle, Michiels, Johan, Vandevenne, Marylène, Heyndrickx, Leo, Ariën, Kevin K., Matagne, André, Ackerman, Margaret E., Le Moine, Alain, and Marchant, Arnaud

Published
2023
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6. Hybrid immunity overcomes defective immune response to COVID-19 vaccination in kidney transplant recipients

Author

Gemander, Nicolas, primary, Kemlin, Delphine, additional, Depickère, Stéphanie, additional, Kelkar, Natasha S., additional, Pannus, Pieter, additional, Sharma, Shilpee, additional, Waegemans, Alexandra, additional, Olislagers, Véronique, additional, Georges, Daphnée, additional, Dhondt, Emilie, additional, Braga, Margarida, additional, Heyndrickx, Leo, additional, Michiels, Johan, additional, Thiriard, Anaïs, additional, Lemy, Anne, additional, Vandevenne, Marylène, additional, Goossens, Maria E., additional, Matagne, André, additional, Desombere, Isabelle, additional, Ariën, Kevin K., additional, Ackerman, Margaret E., additional, Le Moine, Alain, additional, and Marchant, Arnaud, additional

Published
2023
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10. Third dose of COVID-19 mRNA vaccine closes the gap in immune response between naïve nursing home residents and healthy adults

Author

Pannus, Pieter, primary, Depickère, Stéphanie, additional, Kemlin, Delphine, additional, Georges, Daphnée, additional, Houben, Sarah, additional, Olislagers, Véronique, additional, Waegemans, Alexandra, additional, De Craeye, Stéphane, additional, Francotte, Antoine, additional, Chaumont, Félicie, additional, Van Oostveldt, Celien, additional, Heyndrickx, Leo, additional, Michiels, Johan, additional, Willems, Elisabeth, additional, Dhondt, Emilie, additional, Krauchuk, Marharyta, additional, Schmickler, Marie-Noëlle, additional, Verbrugghe, Mathieu, additional, Van Loon, Nele, additional, Dierick, Katelijne, additional, Matagne, André, additional, Desombere, Isabelle, additional, Ariën, Kevin K., additional, Marchant, Arnaud, additional, and Goossens, Maria E., additional

Published
2023
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12. Safety and immunogenicity of a reduced dose of the BNT162b2 mRNA COVID-19 vaccine (REDU-VAC): A single blind, randomized, non-inferiority trial

Author

Pannus, Pieter, primary, Depickère, Stéphanie, additional, Kemlin, Delphine, additional, Houben, Sarah, additional, Neven, Kristof Y., additional, Heyndrickx, Leo, additional, Michiels, Johan, additional, Willems, Elisabeth, additional, De Craeye, Stéphane, additional, Francotte, Antoine, additional, Chaumont, Félicie, additional, Olislagers, Véronique, additional, Waegemans, Alexandra, additional, Verbrugghe, Mathieu, additional, Schmickler, Marie-Noëlle, additional, Van Gucht, Steven, additional, Dierick, Katelijne, additional, Marchant, Arnaud, additional, Desombere, Isabelle, additional, Ariën, Kevin K., additional, and Goossens, Maria E., additional

Published
2022
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14. Integration of an Autonomous Artificial Agent in an Insect Society: Experimental Validation

Author

Sempo, Grégory, Depickère, Stéphanie, Amé, Jean-Marc, Detrain, Claire, Halloy, José, Deneubourg, Jean-Louis, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Carbonell, Jaime G., editor, Siekmann, Jörg, editor, Nolfi, Stefano, editor, Baldassarre, Gianluca, editor, Calabretta, Raffaele, editor, Hallam, John C. T., editor, Marocco, Davide, editor, Meyer, Jean-Arcady, editor, Miglino, Orazio, editor, and Parisi, Domenico, editor

Published
2006
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15. Additional file 1 of Rhodnius (Stål, 1859) (Hemiptera, Triatominae) genus in Bolivian Amazonia: a risk for human populations?

Author

Depickère, Stéphanie, Villacís, Anita G., Santillán-Guayasamín, Soledad, Callapa Rafael, Jorgia Esperanza, Brenière, Simone Frédérique, and Revollo Zepita, Susana

Abstract

Additional file 1: Text S1. Methodology used for the different molecular characterization of Triatominae, blood source meal and Trypanosoma. Table S1. Description of primers used in molecular characterization of triatomines, blood source meals and Trypanosoma. Table S3. Distribution of the insects by capture points and developmental stages. Figure S1. a Environmental description of capture points in Trinidad, San Joaquin and San Borja. b Environmental description of capture points in Riberalta, Guayaramerín and Cobija. Table S4. General description of the environment around each capture point inside a circle of 500 m in radius. Table S5. Description of the haplotypes found for the Cytb, 16S, and 28S-D2 gene fragments. Figure S2. Maximum likelihood tree constructed with the 17 Cytb haplotypes jointly with < 100% coverage sequences deposited in GenBank. Figure S3. Maximum likelihood tree constructed with the eight 16S haplotypes jointly with sequences deposited in GenBank. Figure S4. Maximum likelihood tree constructed with the four 28S-D2 haplotypes jointly with sequences deposited in GenBank. Figure S5. Agarose gel electrophoresis (3% agarose) of PCR-amplified products using mini-exon multiplex PCR (MMPCR).

Published
2022
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19. Would tropical climatic variations impact the genetic variability of triatomines: Rhodnius ecuadoriensis, principal vector of Chagas disease in Ecuador?

Author

Villacís, Anita G., primary, Bustillos, Juan José, additional, Depickère, Stéphanie, additional, Sánchez, Dino, additional, Yumiseva, César A., additional, Troya-Zuleta, Ana, additional, Barnabé, Christian, additional, Grijalva, Mario J., additional, and Brenière, Simone Frédérique, additional

Published
2020
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25. Bias due to methods of parasite detection when estimating prevalence of infection of Triatoma infestans by Trypanosoma cruzi

Author

Lardeux, Frédéric, Aliaga, C., Depickère, Stéphanie, Diversity, ecology, evolution & Adaptation of arthropod vectors (MIVEGEC-DEEVA), Evolution des Systèmes Vectoriels (ESV), Maladies infectieuses et vecteurs : écologie, génétique, évolution et contrôle (MIVEGEC), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Sud])-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Sud])-Maladies infectieuses et vecteurs : écologie, génétique, évolution et contrôle (MIVEGEC), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Sud])-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Sud]), Institut de Recherche pour le Développement (IRD [Bolivie]), and Institut de Recherche pour le Développement - IRD Bolivie

Subjects
PCR, Trypanosoma cruzi, parasitic diseases, microscopy, specificity, [SDV.MP.PAR]Life Sciences [q-bio]/Microbiology and Parasitology/Parasitology, sensitivity, ComputingMilieux_MISCELLANEOUS, Triatoma infestans
Abstract

The study aimed to quantify the bias from parasite detection methods in the estimation of the prevalence of infection of Triatoma infestans by Trypanosoma cruzi, the agent of Chagas disease. Three common protocols that detect T. cruzi in a sample of 640 wild-caught T. infestans were compared: (1) the microscopic observation of insect fecal droplets, (2) a PCR protocol targeting mini-exon genes of T. cruzi (MeM-PCR), and (3) a PCR protocol targeting a satellite repeated unit of the parasite. Agreement among protocols was computed using Krippendorff K. The sensitivity (Se) and specificity (Sp) of each protocol was estimated using latent class models. The PCR protocols were more sensitive (Se > 0.97) than microscopy (Se = 0.53) giving a prevalence of infection of 17-18%, twice as high as microscopy. Microscopy may not be as specific as PCR if Trypanosomatid-like organisms make up a high proportion of the sample. For small T. infestans, microscopy is not efficient, giving a prevalence of 1.5% when PCR techniques gave 10.7%. The PCR techniques were in agreement (K = 0.94) but not with microscopy (K never significant with both PCR techniques). Among the PCR protocols, the MeM-PCR was the most efficient (Se=1; Sp=1).

Published
2016

44. Integration of an Autonomous Artificial Agent in an Insect Society: Experimental Validation.

Author

Nolfi, Stefano, Baldassarre, Gianluca, Calabretta, Raffaele, Hallam, John C. T., Marocco, Davide, Meyer, Jean-Arcady, Miglino, Orazio, Parisi, Domenico, Sempo, Grégory, Depickère, Stéphanie, Amé, Jean-Marc, Detrain, Claire, Halloy, José, and Deneubourg, Jean-Louis

Abstract

In mixed societies of robots and cockroaches, several insect-like-robot (Insbot) and animals interact in order to perform collective decision-making. Many gregarious species are able to collectively select a resting site without any leadership. The key process is based on the modulation of the probability of leaving the shelter according to the total population under this shelter and its light intensity. It is important that cockroaches perceive the robot as a "congener". This recognition is mainly based on a chemical blend. The aim of this study is to validate experimentally (1) the behavioral patterns expressed by the cockroaches in presence of shelters and of an Insbot, and (2) the important role played by the chemical blend on collective decision-makings. [ABSTRACT FROM AUTHOR]

Published
2006
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45. Wild Populations of Triatoma infestans Are Highly Connected to Intra-Peridomestic Conspecific Populations in the Bolivian Andes.

Author

Brenière, Simone Frédérique, Salas, Renata, Buitrago, Rosio, Brémond, Philippe, Sosa, Victor, Bosseno, Marie-France, Waleckx, Etienne, Depickère, Stéphanie, and Barnabé, Christian

Subjects
CHAGAS' disease, TRIATOMA infestans, INSECT populations, VECTOR control, HUMAN settlements
Abstract

Triatoma infestans, the major vector of Chagas disease south of the Amazon in South America, has a large distribution of wild populations, contrary to what has previously been stated. These populations have been suspected of being the source of reinfestation of human habitats and could impede the full success of vector control campaigns. This study examined gene flow between intra-peridomestic populations and wild populations collected in the surround areas in three Andean localities in Bolivia. The populations were defined according to temporal, ecological, and spatial criteria. After DNA extraction from the legs of each insect, the samples were analyzed using seven microsatellite markers. First, the analysis of molecular variance (AMOVA) detected an absence of differentiation between wild and intra-peridomestic populations, although strong structuring was observed between the populations within each environment. Then for some populations, the Bayesian method of assignment to inferred populations showed very similar assignment patterns of the members of wild or intra-peridomestic populations in each locality. Finally, the detection of the first-generation migrants within the different populations provided evidence of insect displacement from the wild to the intra-peridomestic environment. This result indicates that, after control campaigns in the Andes, controlling this new paradigm of vector transmission risk stemming from the invasion of human habitats by wild populations of T. infestans requires long-term maintenance of public monitoring to keep the risk at a minimal level. Since wild populations of T. infestans have also been detected elsewhere in Argentina, Paraguay, and Chile, there is an urgent need to take these populations into account in future monitoring of Chagas disease transmission. [ABSTRACT FROM AUTHOR]

Published
2013
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46. Scientometric analysis of the Chaos journal (1991-2019): From descriptive statistics to complex networks viewpoints.

Author

Depickère S, Kurths J, and Ramírez-Ávila GM

Abstract

We performed a scientometric analysis of Chaos papers from 1991 to 2019, applying a careful disambiguation process for identifying the authors correctly. First, we used standard scientometric tools based on descriptive statistics. This analysis enabled us to compute productivity and the degree of collaboration. The evolution in the number of authors, countries, and topics per article has an increasing trend. An analysis of the citations considering their temporal mean number exhibits a growing tendency in time. Second, we dealt with Lotka-Zipf's law considering the rank distributions of 15 datasets. We found that the sum of Crossref citations by country was the only dataset for which the power-law was the only plausible distribution. Next, we examined the networks of authors, countries, and topics, going from the simplest case of undirected and unweighted networks to the general case of weighted and directed networks and assigning a weight to the individual nodes. Based on the networks' topology and features, we introduced diversity, collaboration, influence, and productivity measures and found a significant increase in the diversity of all the considered networks (authors, countries, and topics) but manifesting a very different network structure. The computation of typical network quantities combined with the communities' identification reveals the presence of several hubs and the existence of various communities that encompass nodes of all the continents in the case of countries. Finally, using the most general networks, it was possible to compute influence and productivity indexes to find the USA, China, and Germany's leadership inside the network.

Published
2021
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47. Bias due to methods of parasite detection when estimating prevalence of infection of Triatoma infestans by Trypanosoma cruzi.

Author

Lardeux F, Aliaga C, and Depickère S

Subjects
Animals, Chagas Disease, DNA, Protozoan analysis, Insect Vectors parasitology, Microsatellite Repeats, Prevalence, Microscopy, Polymerase Chain Reaction, Triatoma parasitology, Trypanosoma cruzi isolation & purification
Abstract

The study aimed to quantify the bias from parasite detection methods in the estimation of the prevalence of infection of Triatoma infestans by Trypanosoma cruzi, the agent of Chagas disease. Three common protocols that detect T. cruzi in a sample of 640 wild-caught T. infestans were compared: (1) the microscopic observation of insect fecal droplets, (2) a PCR protocol targeting mini-exon genes of T. cruzi (MeM-PCR), and (3) a PCR protocol targeting a satellite repeated unit of the parasite. Agreement among protocols was computed using Krippendorff Kα. The sensitivity (Se) and specificity (Sp) of each protocol was estimated using latent class models. The PCR protocols were more sensitive (Se > 0.97) than microscopy (Se = 0.53) giving a prevalence of infection of 17-18%, twice as high as microscopy. Microscopy may not be as specific as PCR if Trypanosomatid-like organisms make up a high proportion of the sample. For small T. infestans, microscopy is not efficient, giving a prevalence of 1.5% when PCR techniques gave 10.7%. The PCR techniques were in agreement (Kα = 0.94) but not with microscopy (Kα never significant with both PCR techniques). Among the PCR protocols, the MeM-PCR was the most efficient (Se=1; Sp=1)., (© 2016 The Society for Vector Ecology.)

Published
2016
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