Search Results - "Udhayakumar, V."

Field Evaluation of a Real-Time Fluorescence Loop-Mediated Isothermal Amplification Assay, RealAmp, for the Diagnosis of Malaria in Thailand and India by Patel, Jaymin C., Lucchi, Naomi W., Srivastava, Priyanka, Lin, Jessica T., Sug-aram, Rungniran, Aruncharus, Supannee, Bharti, Praveen K., Shukla, Man M., Congpuong, Kanungnit, Satimai, Wichai, Singh, Neeru, Udhayakumar, Venkatachalam, Meshnick, Steven R.

“…Background. To eliminate malaria, surveillance for submicroscopic infections is needed. Molecular methods can detect submicroscopic infections but have not…”
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Malaria prevalence among pregnant women in two districts with differing endemicity in Chhattisgarh, India by Singh, Neeru, Singh, Mrigendra P, Wylie, Blair J, Hussain, Mobassir, Kojo, Yeboah A, Shekhar, Chander, Sabin, Lora, Desai, Meghna, Udhayakumar, V, Hamer, Davidson H

“…In India, malaria is not uniformly distributed. Chhattisgarh is a highly malarious state where both Plasmodium falciparum and Plasmodium vivax are prevalent…”
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Malaria diagnostics and surveillance in the post-genomic era by Lucchi, N W, Oberstaller, J, Kissinger, J C, Udhayakumar, V

“…Genome sequences are available for 3 human-infecting malaria parasites, Plasmodium falciparum, P. vivax and P. knowlesi, and population genomics data are…”
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Immune Responses of Mice with Different Genetic Backgrounds to Improved Multiepitope, Multitarget Malaria Vaccine Candidate Antigen FALVAC-1A by Kaba, S A, Price, A, Zhou, Z, Sundaram, V, Schnake, P, Goldman, I F, Lal, A A, Udhayakumar, V, Todd, C W

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Longitudinal study of natural immune responses to the Plasmodium falciparum apical membrane antigen (AMA-1) in a holoendemic region of malaria in western Kenya: Asembo Bay Cohort Project VIII by Udhayakumar, V, Kariuki, S, Kolczack, M, Girma, M, Roberts, J M, Oloo, A J, Nahlen, B L, Lal, A A

“…We investigated the development and maintenance of proliferative and antibody responses to apical membrane antigen-1 (AMA-1) epitopes in a holoendemic area of…”
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Longitudinal cohort study of the epidemiology of malaria infections in an area of intense malaria transmission I. Description of study site, general methodology, and study population by Bloland, P B, Ruebush, T K, McCormick, J B, Ayisi, J, Boriga, D A, Oloo, A J, Beach, R, Hawley, W, Lal, A, Nahlen, B, Udhayakumar, V, Campbell, C C

“…A large-scale longitudinal cohort project was initiated in western Kenya in June 1992. The primary purpose of the project was to study Plasmodium falciparum…”
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Natural immune response to the C-terminal 19-kilodalton domain of Plasmodium falciparum merozoite surface protein 1 by SHI, Y. P, SAYED, U, QARI, S. H, ROBERTS, J. M, UDHAYAKUMAR, V, OLOO, A. J, HAWLEY, W. A, KASLOW, D. C, NAHLEN, B. L, LAL, A. A

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The temporal dynamics and infectiousness of subpatent Plasmodium falciparum infections in relation to parasite density by Slater, Hannah C., Ross, Amanda, Felger, Ingrid, Hofmann, Natalie E., Robinson, Leanne, Cook, Jackie, Gonçalves, Bronner P., Björkman, Anders, Ouedraogo, Andre Lin, Morris, Ulrika, Msellem, Mwinyi, Koepfli, Cristian, Mueller, Ivo, Tadesse, Fitsum, Gadisa, Endalamaw, Das, Smita, Domingo, Gonzalo, Kapulu, Melissa, Midega, Janet, Owusu-Agyei, Seth, Nabet, Cécile, Piarroux, Renaud, Doumbo, Ogobara, Doumbo, Safiatou Niare, Koram, Kwadwo, Lucchi, Naomi, Udhayakumar, Venkatachalam, Mosha, Jacklin, Tiono, Alfred, Chandramohan, Daniel, Gosling, Roly, Mwingira, Felista, Sauerwein, Robert, Paul, Richard, Riley, Eleanor M, White, Nicholas J, Nosten, Francois, Imwong, Mallika, Bousema, Teun, Drakeley, Chris, Okell, Lucy C

“…Malaria infections occurring below the limit of detection of standard diagnostics are common in all endemic settings. However, key questions remain surrounding…”
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Sulfated polyanions inhibit invasion of erythrocytes by plasmodial merozoites and cytoadherence of endothelial cells to parasitized erythrocytes by Xiao, L, Yang, C, Patterson, P S, Udhayakumar, V, Lal, A A

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Comparative Flow Cytometric Analysis of Term Placental Intervillous and Peripheral Blood from Immediate Postpartum Women in Western Kenya by Moore, J.M., Shi, Y.P., Othoro, C., Nahlen, B.L., Lal, A.A., Udhayakumar, V.

“…Understanding maternal immune responses in the placenta is critical for management of pregnancy failures and haematogenous infections during pregnancy…”
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Identification of T-cell determinants in natural immune responses to the Plasmodium falciparum apical membrane antigen (AMA-1) in an adult population exposed to malaria by LAL, A. A, HUGHES, M. A, OLIVEIRA, D. A, NELSON, C, BLOLAND, P. B, OLOO, A. J, HAWLEY, W. E, HIGHTOWER, A. W, NAHLEN, B. L, VENKATACHALAM UDHAYAKUMAR

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Protective immunity induced by outer membrane proteins of Salmonella typhimurium in mice by UDHAYAKUMAR, V, MUTHUKKARUPPAN, V. R

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Efficacy and safety of artemether-lumefantrine for the treatment of uncomplicated malaria and prevalence of Pfk13 and Pfmdr1 polymorphisms after a decade of using artemisinin-based combination therapy in mainland Tanzania by Ishengoma, Deus S, Mandara, Celine I, Francis, Filbert, Talundzic, Eldin, Lucchi, Naomi W, Ngasala, Billy, Kabanywanyi, Abdunoor M, Mahende, Muhidin K, Kamugisha, Erasmus, Kavishe, Reginald A, Muro, Florida, Mohamed, Ally, Mandike, Renata, Mkude, Sigsbert, Chacky, Frank, Paxton, Lynn, Greer, George, Kitojo, Chonge A, Njau, Ritha, Martin, Troy, Venkatesan, Meera, Warsame, Marian, Halsey, Eric S, Udhayakumar, Venkatachalam

“…The World Health Organization recommends regular therapeutic efficacy studies (TES) to monitor the performance of first and second-line anti-malarials. In…”
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Immunogenicity of Plasmodium falciparum and Plasmodium vivax circumsporozoite protein repeat multiple antigen constructs (MAC) by Udhayakumar, Venkatachalam, Saekhou, Ae, Fang, Sunan, Jue, Danny, Wohlhueter, Robert M, Lal, A.A

“…In this study we characterized the immunogenic properties of three different multispecies multiple antigen constructs (MACs) carrying the circumsporozoite…”
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Antigenic diversity in the circumsporozoite protein of Plasmodium falciparum abrogates cytotoxic-T-cell recognition by VENKATACHALAM UDHAYAKUMAR, YA-PING SHI, SANJAI KUMAR, JUE, D. L, WOHLHUETER, R. M, LAL, A. A

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A simple perfusion technique for isolation of maternal intervillous blood mononuclear cells from human placentae by Moore, J.M, Nahlen, B, Ofulla, A.V.O, Caba, J, Ayisi, J, Oloo, A, Misore, A, Nahmias, A.J, Lal, A.A, Udhayakumar, V

“…A noninvasive perfusion method for the recovery of maternal placental (intervillous) blood for use in immunologic assays is described. 60% of the perfused…”
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Natural antibody responses against the non-repeat-sequence-based B-cell epitopes of the Plasmodium falciparum circumsporozoite protein by Shi, Y P, Udhayakumar, V, Alpers, M P, Povoa, M M, Oloo, A J, Ruebush, 2nd, T K, Lal, A A

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Immunologic memory in the placenta: a lymphocyte recirculation hypothesis by Moore, J.M., Nahlen, B.L., Lal, A.A., Udhayakumar, V.

“…The placenta is an immunologically unique organ where a balance between maternal immunity and fetoplacental well-being must be maintained for successful…”
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Cyclosporin A blocks surface IgM-mediated growth inhibition in an immature B lymphoma, BKS-2 by Udhayakumar, V, Muthukkumar, S, Subbarao, B

“…Cyclosporin A (CSA) is an immunosuppressive drug, which blocks selective activation pathways in T and B cells. Antigen receptor-mediated signaling events have…”
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The burden of co-infection with human immunodeficiency virus type 1 and malaria in pregnant women in sub-saharan Africa by ter Kuile, Feiko O, Parise, Monica E, Verhoeff, Francine H, Udhayakumar, Venkatachalam, Newman, Robert D, van Eijk, Anne M, Rogerson, Stephen J, Steketee, Richard W

“…In sub-Saharan Africa, human immunodeficiency virus (HIV) and malaria are among the leading causes of morbidity during pregnancy. We reviewed available…”
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