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16 results on '"Marma, Aung Swi Prue"'

3. Assessment of Plasmodium falciparum Artemisinin Resistance Independent of kelch13 Polymorphisms and with Escalating Malaria in Bangladesh

Author

Nima, Maisha Khair, primary, Mukherjee, Angana, additional, Sazed, Saiful Arefeen, additional, Hossainey, Muhammad Riadul Haque, additional, Phru, Ching Swe, additional, Johora, Fatema Tuj, additional, Safeukui, Innocent, additional, Saha, Anjan, additional, Khan, Afsana Alamgir, additional, Marma, Aung Swi Prue, additional, Ware, Russell E., additional, Mohandas, Narla, additional, Calhoun, Barbara, additional, Haque, Rashidul, additional, Khan, Wasif Ali, additional, Alam, Mohammad Shafiul, additional, and Haldar, Kasturi, additional

Published
2022
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7. Trends and clinico-epidemiological features of human rabies cases in Bangladesh 2006–2018

Author

Ghosh, Sumon, primary, Rana, Md. Sohel, additional, Islam, Md. Kamrul, additional, Chowdhury, Sukanta, additional, Haider, Najmul, additional, Kafi, Mohammad Abdullah Heel, additional, Ullah, Sayed Mohammed, additional, Shah, Md. Rashed Ali, additional, Jahan, Afsana Akter, additional, Mursalin, Hasan Sayedul, additional, Marma, Aung Swi Prue, additional, Ali, S. M. Emran, additional, Hossain, Shohrab, additional, Bhowmik, Rajub, additional, Debnath, Nitish C., additional, Shamsuzzaman, Abul Khair Mohammad, additional, Ahmed, Be-Nazir, additional, Siddiqi, Umme Ruman, additional, and Jhora, Sanya Tahmina, additional

Published
2020
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8. Trends and clinico-epidemiological features of human rabies cases in Bangladesh 2006-2018

Author

Ghosh, Sumon, Rana, Md Sohel, Islam, Md Kamrul, Chowdhury, Sukanta, Haider, Najmul, Kafi, Mohammad Abdullah Heel, Ullah, Sayed Mohammed, Shah, Md Rashed Ali, Jahan, Afsana Akter, Mursalin, Hasan Sayedul, Marma, Aung Swi Prue, Ali, S M Emran, Hossain, Shohrab, Bhowmik, Rajub, Debnath, Nitish C, Shamsuzzaman, Abul Khair Mohammad, Ahmed, Be-Nazir, Siddiqi, Umme Ruman, Jhora, Sanya Tahmina, Ghosh, Sumon, Rana, Md Sohel, Islam, Md Kamrul, Chowdhury, Sukanta, Haider, Najmul, Kafi, Mohammad Abdullah Heel, Ullah, Sayed Mohammed, Shah, Md Rashed Ali, Jahan, Afsana Akter, Mursalin, Hasan Sayedul, Marma, Aung Swi Prue, Ali, S M Emran, Hossain, Shohrab, Bhowmik, Rajub, Debnath, Nitish C, Shamsuzzaman, Abul Khair Mohammad, Ahmed, Be-Nazir, Siddiqi, Umme Ruman, and Jhora, Sanya Tahmina

Abstract

Vaccinating dogs against rabies is an effective means of reducing human rabies. We subjected 1327 clinically diagnosed human rabies death and mass dog vaccination (MDV) data during 2006–2018 to quantify the impacts of MDV on human rabies incidence in Bangladesh and a subset of rabies death data (422) for clinico-epidemiological analysis. A positive and increasing trend of MDV (p = 0.01 and tau = 0.71) and a negative and declining trend (p < 0.001 and tau = −0.88) of human rabies cases (Correlation coefficient: −0.82) have been observed. Among 422 deaths, the majority (78%) of the victims sought treatment from traditional healers, and 12% received post-exposure prophylaxis (PEP). The mean incubation period of rabies in cases with exposure sites on the head & neck (35 days) was shorter than the upper limb (mean = 64 days, p = 0.02) and lower limb (mean = 89 days, p < 0.01). MDV has been found to be effective for reducing human rabies cases in Bangladesh. Creating awareness among the animal bite victims to stop reliance on traditional healers rather seeking PEP, addressing the role of traditional healers through awareness education programme with respect to the treatment of dog bites, ensuring availability of PEP, and continuing to scale up MDV may help to prevent human rabies deaths.

Published
2020

9. Travel medicine perspectives of select travel medicine experts practicing in the Asia-Pacific region

Author

Leder, Karin, primary, Borwein, Sarah, additional, Chanthavanich, Pornthep, additional, Chatterjee, Santanu, additional, Htun, Kaythi, additional, Marma, Aung Swi Prue, additional, Nakatani, Issaku, additional, Ok, Jin-Ju, additional, Pakasi, Levina, additional, Pandey, Prativa, additional, Piyaphanee, Watcharapong, additional, Rupali, Priscilla, additional, Schwartz, Eli, additional, Shinozuka, Tadashi, additional, Phu, Phi Truong Hoang, additional, Watanabe, Hiroshi, additional, Visser, Jenny, additional, Wilder-Smith, Annelies, additional, Zhang, Min, additional, and McGuinness, Sarah L., additional

Published
2017
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10. Spontaneous mutations in the Plasmodium falciparum sarcoplasmic/ endoplasmic reticulum Ca2+-ATPase (PfATP6) gene among geographically widespread parasite populations unexposed to artemisinin-based combination therapies

Author

Tanabe, Kazuyuki, Zakeri, Sedigheh, Palacpac, Nirianne Marie Q, Afsharpad, Manada, Randrianarivelojosia, Milijaona, Kaneko, Akira, Marma, Aung Swi Prue, Horii, Toshihiro, Mita, Toshihiro, Laboratory of Malariology, Research Institute for Microbial Diseases, Biotechnology Research Center, Institut Pasteur d'Iran, Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP), Department of Molecular Protozoology, Osaka University [Osaka]-Research Institute for Microbial Diseases, Institut Pasteur de Madagascar, Réseau International des Instituts Pasteur (RIIP), Karolinska Institutet [Stockholm], Emerging and Re-emerging Diseases, Communicable Disease Control, Directorate General of Health Services, Department of International Affairs and Tropical Medicine, Tokyo Women's Medical University (TWMU), and This work was supported by Grant-in-Aids for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology of Japan (18073013), from the Japan Society for Promotion of Sciences (18GS03140013, 20390120, 22406012), and from the Ministry of Health, Labor and Welfare (H20-Shinkou-ippan-013).

Subjects
MESH: Mutation, MESH: Polymorphism, Single Nucleotide, [SDV]Life Sciences [q-bio], MESH: Anti-Infective Agents, Plasmodium falciparum, Protozoan Proteins, MESH: Haplotypes, Polymorphism, Single Nucleotide, Artemisinins, Sarcoplasmic Reticulum Calcium-Transporting ATPases, MESH: Sarcoplasmic Reticulum Calcium-Transporting ATPases, Anti-Infective Agents, Gene Frequency, Haplotypes, Mechanisms of Resistance, MESH: Artemisinins, parasitic diseases, Mutation, MESH: Gene Frequency, Animals, MESH: Animals, MESH: Protozoan Proteins, MESH: Plasmodium falciparum
Abstract

International audience; Recent reports on the decline of the efficacy of artemisinin-based combination therapies (ACTs) indicate a serious threat to malaria control. The endoplasmic/sarcoplasmic reticulum Ca(2+)-ATPase ortholog of Plasmodium falciparum (PfSERCA) has been suggested to be the target of artemisinin and its derivatives. It is assumed that continuous artemisinin pressure will affect polymorphism of the PfSERCA gene (serca) if the protein is the target. Here, we investigated the polymorphism of serca in parasite populations unexposed to ACTs to obtain baseline information for the study of potential artemisinin-driven selection of resistant parasites. Analysis of 656 full-length sequences from 13 parasite populations in Africa, Asia, Oceania, and South America revealed 64 single nucleotide polymorphisms (SNPs), of which 43 were newly identified and 38 resulted in amino acid substitutions. No isolates showed L263E and S769N substitutions, which were reportedly associated with artemisinin resistance. Among the four continents, the number of SNPs was highest in Africa. In Africa, Asia, and Oceania, common SNPs, or those with a minor allele frequency of ≥0.05, were less prevalent, with most SNPs noted to be continent specific, whereas in South America, common SNPs were highly prevalent and often shared with those in Africa. Of 50 amino acid haplotypes observed, only one haplotype (3D7 sequence) was seen in all four continents (64%). Forty-eight haplotypes had frequencies of less than 5%, and 40 haplotypes were continent specific. The geographical difference in the diversity and distribution of serca SNPs and haplotypes lays the groundwork for assessing whether some artemisinin resistance-associated mutations and haplotypes are selected by ACTs.

Published
2010
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12. Spontaneous Mutations in the Plasmodium falciparum Sarcoplasmic/ Endoplasmic Reticulum Ca 2+ -ATPase (PfATP6) Gene among Geographically Widespread Parasite Populations Unexposed to Artemisinin-Based Combination Therapies

Author

Tanabe, Kazuyuki, primary, Zakeri, Sedigheh, additional, Palacpac, Nirianne Marie Q., additional, Afsharpad, Manada, additional, Randrianarivelojosia, Milijaona, additional, Kaneko, Akira, additional, Marma, Aung Swi Prue, additional, Horii, Toshihiro, additional, and Mita, Toshihiro, additional

Published
2011
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14. Spontaneous Mutations in the Plasmodium falciparumSarcoplasmic/ Endoplasmic Reticulum Ca2+-ATPase (PfATP6) Gene among Geographically Widespread Parasite Populations Unexposed to Artemisinin-Based Combination Therapies

Author

Tanabe, Kazuyuki, Zakeri, Sedigheh, Palacpac, Nirianne Marie Q., Afsharpad, Manada, Randrianarivelojosia, Milijaona, Kaneko, Akira, Marma, Aung Swi Prue, Horii, Toshihiro, and Mita, Toshihiro

Abstract

ABSTRACTRecent reports on the decline of the efficacy of artemisinin-based combination therapies (ACTs) indicate a serious threat to malaria control. The endoplasmic/sarcoplasmic reticulum Ca2+-ATPase ortholog of Plasmodium falciparum(PfSERCA) has been suggested to be the target of artemisinin and its derivatives. It is assumed that continuous artemisinin pressure will affect polymorphism of the PfSERCA gene (serca) if the protein is the target. Here, we investigated the polymorphism of sercain parasite populations unexposed to ACTs to obtain baseline information for the study of potential artemisinin-driven selection of resistant parasites. Analysis of 656 full-length sequences from 13 parasite populations in Africa, Asia, Oceania, and South America revealed 64 single nucleotide polymorphisms (SNPs), of which 43 were newly identified and 38 resulted in amino acid substitutions. No isolates showed L263E and S769N substitutions, which were reportedly associated with artemisinin resistance. Among the four continents, the number of SNPs was highest in Africa. In Africa, Asia, and Oceania, common SNPs, or those with a minor allele frequency of ≥0.05, were less prevalent, with most SNPs noted to be continent specific, whereas in South America, common SNPs were highly prevalent and often shared with those in Africa. Of 50 amino acid haplotypes observed, only one haplotype (3D7 sequence) was seen in all four continents (64%). Forty-eight haplotypes had frequencies of less than 5%, and 40 haplotypes were continent specific. The geographical difference in the diversity and distribution of sercaSNPs and haplotypes lays the groundwork for assessing whether some artemisinin resistance-associated mutations and haplotypes are selected by ACTs.

Published
2010
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15. Glucose-6-Phosphate Dehydrogenase (G6PD) Variants in Three Minority Ethnic Groups in Central and Northern Vietnam.

Author

Nguyen Minh Hung, Matsuoka, Hiroyuki, Eto, Hideaki, Mita, Toshihiro, Ta Thi Tinh, Dao, LeMinh, Pham Hoang Trung, Vo Nhu Phuong, Marma, Aung Swi Prue, and Kobayakawa, Takatoshi

Subjects
*GLUCOSE-6-phosphate dehydrogenase, *GLUCOSE-6-phosphate dehydrogenase deficiency, *ETHNOLOGY, *ETHNIC groups, *DISEASES, *ROGLAI (Southeast Asian people), *GENEALOGY, *DEHYDROGENASES, *INBORN errors of metabolism
Abstract

Community-based surveys for the detection of glucose-6-phosphate dehydogenase (G6PD) deficiency were conducted at three villages in central and northern Vietnam from 2001 to 2006. A total of 799 male individuals belonging to three ethnic groups (Raglai, Pako, and Khomu) were tested for G6PD enzyme activity and 32 G6PD deficient individuals were detected. The prevalence of G6PD deficiency in Raglai, Pako, and Khomu was 2.1% (9/ 438), 7.7% (16/208), and 4.6% (7/153), respectively. In Raglai, G6PD Viangchan was found to be dominant (8/9, 88.9%), followed by G6PD Canton (1/9, 11.1%). In Pako, a total of 16 G6PD deficient cases showed G6PD Viangchan variant. All analyzed samples (7/7, 100%) showed the G6PD Union variant in the Khomu ethnic group. Our study suggests that the Raglai and Pako people share a common ancestry with Cambodians, Laotians, and Thais. On the other hand, the appearance of G6PD Union among Khomu people suggests that they originate from a different ancestry. [ABSTRACT FROM AUTHOR]

Published
2009
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16. Spontaneous mutations in the Plasmodium falciparum sarcoplasmic/ endoplasmic reticulum Ca2+-ATPase (PfATP6) gene among geographically widespread parasite populations unexposed to artemisinin-based combination therapies.

Author

Tanabe K, Zakeri S, Palacpac NM, Afsharpad M, Randrianarivelojosia M, Kaneko A, Marma AS, Horii T, and Mita T

Subjects
Animals, Anti-Infective Agents pharmacology, Artemisinins pharmacology, Gene Frequency genetics, Haplotypes genetics, Plasmodium falciparum drug effects, Mutation, Plasmodium falciparum enzymology, Plasmodium falciparum genetics, Polymorphism, Single Nucleotide genetics, Protozoan Proteins genetics, Sarcoplasmic Reticulum Calcium-Transporting ATPases genetics
Abstract

Recent reports on the decline of the efficacy of artemisinin-based combination therapies (ACTs) indicate a serious threat to malaria control. The endoplasmic/sarcoplasmic reticulum Ca(2+)-ATPase ortholog of Plasmodium falciparum (PfSERCA) has been suggested to be the target of artemisinin and its derivatives. It is assumed that continuous artemisinin pressure will affect polymorphism of the PfSERCA gene (serca) if the protein is the target. Here, we investigated the polymorphism of serca in parasite populations unexposed to ACTs to obtain baseline information for the study of potential artemisinin-driven selection of resistant parasites. Analysis of 656 full-length sequences from 13 parasite populations in Africa, Asia, Oceania, and South America revealed 64 single nucleotide polymorphisms (SNPs), of which 43 were newly identified and 38 resulted in amino acid substitutions. No isolates showed L263E and S769N substitutions, which were reportedly associated with artemisinin resistance. Among the four continents, the number of SNPs was highest in Africa. In Africa, Asia, and Oceania, common SNPs, or those with a minor allele frequency of ≥0.05, were less prevalent, with most SNPs noted to be continent specific, whereas in South America, common SNPs were highly prevalent and often shared with those in Africa. Of 50 amino acid haplotypes observed, only one haplotype (3D7 sequence) was seen in all four continents (64%). Forty-eight haplotypes had frequencies of less than 5%, and 40 haplotypes were continent specific. The geographical difference in the diversity and distribution of serca SNPs and haplotypes lays the groundwork for assessing whether some artemisinin resistance-associated mutations and haplotypes are selected by ACTs.

Published
2011
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