- Faculty
- Faculty Faculty of Sciences and Engineering
- Research Interest
- Microbiome analysis Plastic degrading microbes
- Teaching Materials
- Undergraduate courses at EWU GEB 7103 Cell Biology I GEB 201 Basic Biochemistry GEB 7304 Immunology
- Academic Background
- Doctor of Philosophy (PhD) in Neurogenetics, Nagoya University, Japan. Master of Science (MS) in Biochemistry and Molecular Biology, University of Dhaka, Bangladesh. Bachelor of Science (BSc) in Biochemistry and Molecular Biology, University of Dhaka, Bangladesh.
- Awards & Achievements
- Japanese Government (MEXT) scholarship for the PhD program, 2013. Dean’s award for outstanding achievement in Bachelor of Science, University of Dhaka, 2009.
- Selected Publications
- Journal Publication Conference and Seminars Bandyopadhyay S, Roy AK, Baker S, Stephenson KK, Ge X, Wang Y, Ahsan KB , Zavala E, Ali H, Haque R, Wu LSF, Langevin B, Gopalakrishnan M, Siddiqua TJ, Hasan SMT, Christian P, Schulze KJ. Micronutrient Biomarker Selection and Assay Methods and Performance in Double-Blind, Randomized, Controlled Micronutrient Dose Response (MiNDR) Trials among Women of Reproductive Age and Pregnant Women in Rural Bangladesh. Curr Dev Nutr. 2025 Oct 1;9(10):107546. doi: 10.1016/j.cdnut.2025.107546. PMID: 41140913; PMCID: PMC12550162. Siddiqua TJ, Schulze KJ, Hasan ST, Ahsan KB , Bandyopadhyay S, Zavala E, Ali H, Haque R, Sujan HM, Rahman MH, Baker S, Stephenson KK, Ge X, Gough EK, Langevin B, Wu LSF, Dyer B, Roy AK, Jubair M, Nishan AA, Rosenblum M, Gopalakrishnan M, Kraemer K, Erchick DJ, Ahmed T, Christian P. Micronutrient dose response (MiNDR) study among women of reproductive age and pregnant women in rural Bangladesh: study protocol for double-blind, randomised, controlled trials. BMJ Open. 2025 Jan 4;15(1):e090108. doi: 10.1136/bmjopen-2024-090108. PMID: 39755576; PMCID: PMC11749533. Zavala E, Mohan D, Ali H, Siddiqua TJ, Haque R, Ayesha K, Ahsan KB , Sujan HM, Khaled N, Rahman A, Chakraborty B, Dyer B, Wu LSF, Kalbarczyk A, Erchick DJ, Thorne-Lyman AL, Tumilowicz A, Afsana K, Christian P. Targeting strategies for balanced energy and protein (BEP) supplementation in pregnancy: study protocol for the TARGET-BEP cluster-randomized controlled trial in rural Bangladesh. Trials. 2024 May 13;25(1):315. doi: 10.1186/s13063-024-08135-4. PMID: 38741174; PMCID: PMC11089740. Mannan T, Ahmed S, Akhtar E, Ahsan KB , Haq A, Kippler M, Vahter M, Raqib R. Associations of Arsenic Exposure With Telomere Length and Naïve T Cells in Childhood-A Birth Cohort Study. Toxicol Sci. 2018 Aug 1;164(2):539-549. doi: 10.1093/toxsci/kfy105. PMID: 29757418. Ahsan KB , Masuda A, Rahman MA, Takeda JI, Nazim M, Ohkawara B, Ito M, Ohno K. SRSF1 suppresses selection of intron-distal 5' splice site of DOK7 intron 4 to generate functional full-length Dok-7 protein. Sci Rep. 2017 Sep 5;7(1):10446. doi: 10.1038/s41598-017-11036-z. PMID: 28874828; PMCID: PMC5585400. Raqib R, Ahmed S, Ahsan KB , Kippler M, Akhtar E, Roy AK, Lu Y, Arifeen SE, Wagatsuma Y, Vahter M. Humoral Immunity in Arsenic-Exposed Children in Rural Bangladesh: Total Immunoglobulins and Vaccine-Specific Antibodies. Environ Health Perspect. 2017 Jun 14;125(6):067006. doi: 10.1289/EHP318. PMID: 28657894; PMCID: PMC5743616. Siddiqua TJ, Ahmad SM, Ahsan KB , Rashid M, Roy A, Rahman SM, Shahab-Ferdows S, Hampel D, Ahmed T, Allen LH, Raqib R. Vitamin B12 supplementation during pregnancy and postpartum improves B12 status of both mothers and infants but vaccine response in mothers only: a randomized clinical trial in Bangladesh. Eur J Nutr. 2016 Feb;55(1):281-93. doi: 10.1007/s00394-015-0845-x. Epub 2015 Feb 4. PMID: 25648738. Rahman MA, Azuma Y, Nasrin F, Takeda J, Nazim M, Ahsan KB , Masuda A, Engel AG, Ohno K. SRSF1 and hnRNP H antagonistically regulate splicing of COLQ exon 16 in a congenital myasthenic syndrome. Sci Rep. 2015 Aug 18;5:13208. doi: 10.1038/srep13208. PMID: 26282582; PMCID: PMC4539547. Ahmed S, Rekha RS, Ahsan KB , Doi M, Grandér M, Roy AK, Ekström EC, Wagatsuma Y, Vahter M, Raqib R. Arsenic exposure affects plasma insulin-like growth factor 1 (IGF-1) in children in rural Bangladesh. PLoS One. 2013 Nov 26;8(11):e81530. doi: 10.1371/journal.pone.0081530. PMID: 24303053; PMCID: PMC3841153. Ahmed S, Ahsan KB , Kippler M, Mily A, Wagatsuma Y, Hoque AM, Ngom PT, El Arifeen S, Raqib R, Vahter M. In utero arsenic exposure is associated with impaired thymic function in newborns possibly via oxidative stress and apoptosis. Toxicol Sci. 2012 Oct;129(2):305-14. doi: 10.1093/toxsci/kfs202. Epub 2012 Jun 19. PMID: 22713597. Conference presentations (oral): 1. SRSF1 regulates DOK7 alternative splicing by modulating association of U1 snRNPs with two alternative 5’ splice si
- Professional Experience
- Assistant Professor, Department of Genetic Engineering and Biotechnology, East West University, Bangladesh. 14 Sep 2025 to date. Nutritional Scientist, JiVitA Project, Johns Hopkins University, Rangpur, Bangladesh. Jul 2022-Sep 2025. International Graduate Scholar, Nagoya University, Japan. Oct 2013- Sep 2017. Research Officer, Laboratory Sciences Division, International Centre for Diarrhoeal Disease Research, Bangladesh, (icddr,b), Mohakhali, Bangladesh. Jun 2009-Sep 2013. Intern MS Thesis, University of Dhaka, Bangladesh Jun 2008-May 2009.
- Affiliation Professional Membership
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