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5 results on '"Jahan, Sultana Rownok"'

1. Cholera toxin and O-specific polysaccharide immune responses after oral cholera vaccination with Dukoral in different age groups of Bangladeshi participants.

Author

Dash, Pinki, Hakim, Al, Akter, Aklima, Al Banna, Hasan, Kaisar, M. Hasanul, Aktar, Amena, Jahan, Sultana Rownok, Ferdous, Jannatul, Basher, Salima Raiyan, Kamruzzaman, Mohammad, Chowdhury, Fahima, Akter, Afroza, Tauheed, Imam, Weil, Ana A., Charles, Richelle C., Calderwood, Stephen B., Ryan, Edward T., LaRocque, Regina C., Harris, Jason B., and Bhuiyan, Taufiqur Rahman

Published
2024
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2. Correction: Plasma and memory B cell responses targeting O-specific polysaccharide (OSP) are associated with protection against Vibrio cholerae O1 infection among household contacts of cholera patients in Bangladesh

Author

Aktar, Amena, primary, Rahman, M. Arifur, additional, Afrin, Sadia, additional, Akter, Aklima, additional, Uddin, Taher, additional, Yasmin, Tahirah, additional, Sami, Md. Israk Nur, additional, Dash, Pinki, additional, Jahan, Sultana Rownok, additional, Chowdhury, Fahima, additional, Khan, Ashraful I., additional, LaRocque, Regina C., additional, Charles, Richelle C., additional, Bhuiyan, Taufiqur Rahman, additional, Mandlik, Anjali, additional, Kelly, Meagan, additional, Kováč, Pavol, additional, Xu, Peng, additional, Calderwood, Stephen B., additional, Harris, Jason B., additional, Qadri, Firdausi, additional, and Ryan, Edward T., additional

Published
2021
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3. Induction of systemic, mucosal and memory antibody responses targeting Vibrio cholerae O1 O-specific polysaccharide (OSP) in adults following oral vaccination with an oral killed whole cell cholera vaccine in Bangladesh

Author

Akter, Aklima, primary, Dash, Pinki, additional, Aktar, Amena, additional, Jahan, Sultana Rownok, additional, Afrin, Sadia, additional, Basher, Salima Raiyan, additional, Hakim, Al, additional, Lisa, Asura Khanam, additional, Chowdhury, Fahima, additional, Khan, Ashraful I., additional, Xu, Peng, additional, Charles, Richelle C., additional, Kelly, Meagan, additional, Kováč, Pavol, additional, Harris, Jason B., additional, Bhuiyan, Taufiqur Rahman, additional, Calderwood, Stephen B., additional, Ryan, Edward T., additional, and Qadri, Firdausi, additional

Published
2019
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4. Plasma and memory B cell responses targeting O-specific polysaccharide (OSP) are associated with protection against Vibrio cholerae O1 infection among household contacts of cholera patients in Bangladesh

Author

Aktar, Amena, primary, Rahman, M. Arifur, additional, Afrin, Sadia, additional, Akter, Aklima, additional, Uddin, Taher, additional, Yasmin, Tahirah, additional, Sami, Md. Israk Nur, additional, Dash, Pinki, additional, Jahan, Sultana Rownok, additional, Chowdhury, Fahima, additional, Khan, Ashraful I., additional, LaRocque, Regina C., additional, Charles, Richelle C., additional, Bhuiyan, Taufiqur Rahman, additional, Mandlik, Anjali, additional, Kelly, Meagan, additional, Kováč, Pavol, additional, Xu, Peng, additional, Calderwood, Stephen B., additional, Harris, Jason B., additional, Qadri, Firdausi, additional, and Ryan, Edward T., additional

Published
2018
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5. Plasma and memory B cell responses targeting O-specific polysaccharide (OSP) are associated with protection against Vibrio cholerae O1 infection among household contacts of cholera patients in Bangladesh

Author

Aktar, Amena, Rahman, M. Arifur, Afrin, Sadia, Akter, Aklima, Uddin, Taher, Yasmin, Tahirah, Sami, Md. Israk Nur, Dash, Pinki, Jahan, Sultana Rownok, Chowdhury, Fahima, Khan, Ashraful I., LaRocque, Regina C., Charles, Richelle C., Bhuiyan, Taufiqur Rahman, Mandlik, Anjali, Kelly, Meagan, Kováč, Pavol, Xu, Peng, Calderwood, Stephen B., Harris, Jason B., Qadri, Firdausi, and Ryan, Edward T.

Subjects
Medicine and Health Sciences, Infectious Diseases, Bacterial Diseases, Cholera, Tropical Diseases, Neglected Tropical Diseases, Biology and life sciences, Cell biology, Cellular types, Animal cells, Immune cells, Antibody-producing cells, B cells, Memory B cells, Immunology, Medicine and health sciences, Blood cells, White blood cells, Biology and Life Sciences, Microbiology, Medical Microbiology, Microbial Pathogens, Bacterial Pathogens, Vibrio Cholerae, Pathology and Laboratory Medicine, Pathogens, Organisms, Bacteria, Vibrio, Immune Response, Antibody Response, Anatomy, Body Fluids, Blood, Blood Plasma, Physiology, Immune Physiology, Antibodies, Immune System Proteins, Biochemistry, Proteins, Immunologic Techniques, Immunoassays, Enzyme-Linked Immunoassays
Abstract

Background: The mediators of protection against cholera, a severe dehydrating illness of humans caused by Vibrio cholerae, are unknown. We have previously shown that plasma IgA as well as memory B IgG cells targeting lipopolysaccharide (LPS) of Vibrio cholerae O1 correlate with protection against V. cholerae O1 infection among household contacts of cholera patients. Protection against cholera is serogroup specific, and serogroup specificity is defined by the O-specific polysaccharide (OSP) component of LPS. Therefore, we prospectively followed household contacts of cholera patients to determine whether OSP-specific immune responses present at the time of enrollment are associated with protection against V. cholerae infection. Methodology In this study, we enrolled two hundred forty two household contacts of one hundred fifty index patients who were infected with Vibrio cholerae. We determined OSP-specific memory B cells and plasma IgA, IgG and IgM antibody responses on study entry (day 2). Principle findings The presence of OSP-specific plasma IgA, IgM, and IgG antibody responses on study entry were associated with a decrease in the risk of infection in household contacts (IgA, p = 0.015; IgM, p = 0.01, and IgG, p = 0.024). In addition, the presence of OSP-specific IgG memory B cell responses in peripheral blood on study entry was also associated with a decreased risk of infection (44% reduction; 95% CI: 31.1 to 99.8) in contacts. No protection was associated with cholera toxin B subunit (CtxB)-specific memory B cell responses. Conclusion: These results suggest that immune responses that target OSP, both in plasma and memory responses, may be important in mediating protection against infection with V. cholerae O1.

Published
2018
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