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3. Nonsterile immunity to cryptosporidiosis in infants is associated with mucosal IgA against the sporozoite and protection from malnutrition

Author

Kabir, Mamun, primary, Alam, Masud, additional, Nayak, Uma, additional, Arju, Tuhinur, additional, Hossain, Biplob, additional, Tarannum, Rubaiya, additional, Khatun, Amena, additional, White, Jennifer A., additional, Ma, Jennie Z., additional, Haque, Rashidul, additional, Petri, William A., additional, and Gilchrist, Carol A., additional

Published
2021
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4. Entamoeba bangladeshi nov. sp., Bangladesh

Author

Royer, Tricia L., Gilchrist, Carol, Kabir, Mamun, Arju, Tuhinur, Ralston, Katherine S., Haque, Rashidul, Clark, C. Graham, and Petri, William A., Jr.

Subjects
Amoeba -- Health aspects, Diarrhea -- Risk factors -- Demographic aspects, Epidemiology -- Analysis, Health
Abstract

To the Editor: Diarrheal diseases have a major effect on global health, particularly the health of malnourished children (1). The enteric parasites Entamoeba histolytica and E. moshkovskii are potential causes [...]

Published
2012
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5. Case-Control Study of Cryptosporidium Transmission in Bangladeshi Households

Author

Korpe, Poonum S, primary, Gilchrist, Carol, additional, Burkey, Cecelia, additional, Taniuchi, Mami, additional, Ahmed, Emtiaz, additional, Madan, Vikram, additional, Castillo, Rachel, additional, Ahmed, Shahnawaz, additional, Arju, Tuhinur, additional, Alam, Masud, additional, Kabir, Mamun, additional, Ahmed, Tahmeed, additional, Petri, William A, additional, Haque, Rashidul, additional, Faruque, A S G, additional, and Duggal, Priya, additional

Published
2018
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6. Household Transmission Study of Cryptosporidiosis in Bangladesh

Author

Korpe, Poonum S., primary, Gilchrist, Carol, additional, Burkey, Cecelia, additional, Ahmed, Emtiaz, additional, Madan, Vikram, additional, Castillo, Rachel, additional, Ahmed, Shahnawaz, additional, Arju, Tuhinur, additional, Alam, Masud, additional, Kabir, Mamun, additional, Petri, William A., additional, Haque, Rashidul, additional, Faruque, A.S.G., additional, and Duggal, Priya, additional

Published
2018
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7. Microbiome-mediated neutrophil recruitment via CXCR2 and protection from amebic colitis

Author

Watanabe, Koji, primary, Gilchrist, Carol A., additional, Uddin, Md Jashim, additional, Burgess, Stacey L., additional, Abhyankar, Mayuresh M., additional, Moonah, Shannon N., additional, Noor, Zannatun, additional, Donowitz, Jeffrey R., additional, Schneider, Brittany N., additional, Arju, Tuhinur, additional, Ahmed, Emtiaz, additional, Kabir, Mamun, additional, Alam, Masud, additional, Haque, Rashidul, additional, Pramoonjago, Patcharin, additional, Mehrad, Borna, additional, and Petri, William A., additional

Published
2017
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8. Case-Control Study of Cryptosporidium Transmission in Bangladeshi Households.

Author

Korpe, Poonum S, Gilchrist, Carol, Burkey, Cecelia, Taniuchi, Mami, Ahmed, Emtiaz, Madan, Vikram, Castillo, Rachel, Ahmed, Shahnawaz, Arju, Tuhinur, Alam, Masud, Kabir, Mamun, Ahmed, Tahmeed, Petri, William A, Haque, Rashidul, Faruque, A S G, and Duggal, Priya

Subjects
CRYPTOSPORIDIOSIS, CRYPTOSPORIDIOSIS diagnosis, FECAL analysis, AGE distribution, CHI-squared test, FAMILIES, IMMUNITY, POLYMERASE chain reaction, RURAL population, SEROLOGY, SEX distribution, SURVEYS, CITY dwellers, PILOT projects, CASE-control method, DISEASE duration, GENOTYPES, MIXED infections, INFECTIOUS disease transmission
Abstract

Background Cryptosporidium is a leading contributor to diarrheal morbidity and mortality in under-5 children worldwide. As there is no vaccine and no effective drug therapy in young children for this infection, preventing infection is critical. We undertook a pilot case-control study to define the extent of person-to-person transmission of cryptosporidiosis within an urban and a rural community in Bangladesh. Methods We enrolled 48 case families with a Cryptosporidium -infected child aged 6–18 months. Controls were age- and sex-matched Cryptosporidium -negative children in 12 households. Children and household members were followed for 8 weeks with weekly illness survey and stool testing with quantitative polymerase chain reaction for Cryptosporidium. Results In the 24 urban case families, the secondary attack rate was 35.8% (19/53) vs 0% (0/11) in controls (P =.018, χ2 test). In contrast, in the 24 rural case families, the secondary attack rate was 7.8% (5/64) vs 0% (0/21) in controls (P =.19, χ2 test). Genotyping by gp60 demonstrated infection with the same subspecies in 5 families, and evidence of transmission in 2. Serologic response to Cryptosporidium infection was associated with younger age, longer duration of infection, and Cryptosporidium hominis gp60_IbA9G3R2 infection. Conclusions In the urban site, the high rate of secondary infection and infection with the same subspecies within families suggests that person-to-person transmission is a major source of Cryptosporidium infection for young children living in this region. Molecular genotyping can be applied to determine transmission of Cryptosporidium in endemic regions. Further work is needed to understand the differences in parasite transmissibility and immunity to different genotypes. [ABSTRACT FROM AUTHOR]

Published
2019
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10. Species-Specific Immunodetection of an Entamoeba histolytica Cyst Wall Protein

Author

Spadafora, Lauren J., primary, Kearney, Moira R., additional, Siddique, Abdullah, additional, Ali, Ibne K., additional, Gilchrist, Carol A., additional, Arju, Tuhinur, additional, Hoffstrom, Benjamin, additional, Nguyen, Felicia K., additional, Petri, William A., additional, Haque, Rashidul, additional, and Cangelosi, Gerard A., additional

Published
2016
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13. Entamoeba bangladeshinov. sp., Bangladesh

Author

Royer, Tricia L., primary, Gilchrist, Carol, additional, Kabir, Mamun, additional, Arju, Tuhinur, additional, Ralston, Katherine S., additional, Haque, Rashidul, additional, Clark, C. Graham, additional, and Petri, William A., additional

Published
2012
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