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Satake T, Taki A, Ouchi K, Kasahara K, Tsurugizawa T. Increased functional connectivity following ingestion of dried bonito soup. Front Nutr 2024; 11:1354245. [PMID: 38633605 PMCID: PMC11021645 DOI: 10.3389/fnut.2024.1354245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 03/07/2024] [Indexed: 04/19/2024] Open
Abstract
Soup, including dried bonito broth, is customarily consumed as an umami taste during meals in Japan. Previous functional magnetic resonance imaging (fMRI) studies have investigated neuronal activation following human exposure to carbohydrates and umami substances. However, neuronal activity following ingestion of dried bonito soup has not been investigated. Additionally, recent progress in fMRI has enabled us to investigate the functional connectivity between two anatomically separated regions, such as the default mode network. In this study, we first investigated the altered functional connectivity after ingesting dried bonito soup in healthy volunteers. Functional connectivity in several brain regions, including the connection between the vermis, part of the cerebellum, and bilateral central opercular cortex, was markedly increased after ingesting dried bonito soup, compared to the ingestion of hot water. Physiological scaling showed that satiety was substantially increased by ingesting hot water rather than dried bonito soup. These results indicate that increased functional connectivity reflects the post-ingestive information pathway of dried bonito soup.
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Affiliation(s)
- Takatoshi Satake
- Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
| | - Ai Taki
- Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
- Faculty of Engineering, Information and Systems, University of Tsukuba, Tsukuba, Japan
| | - Kazuya Ouchi
- Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
- Faculty of Engineering, Information and Systems, University of Tsukuba, Tsukuba, Japan
| | - Kazumi Kasahara
- Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
| | - Tomokazu Tsurugizawa
- Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
- Faculty of Engineering, Information and Systems, University of Tsukuba, Tsukuba, Japan
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Pham-The T, Nishijo M, Pham TN, Vu HT, Tran NN, Tran AH, Hoang LV, Do Q, Nishino Y, Nishijo H. Perinatal Dioxin Exposure and Attention Deficit Hyperactivity Disorder (ADHD) Symptoms in Children Living in a Dioxin Contamination Hotspot in Vietnam. TOXICS 2022; 10:toxics10050212. [PMID: 35622626 PMCID: PMC9143824 DOI: 10.3390/toxics10050212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/26/2022] [Accepted: 04/01/2022] [Indexed: 01/27/2023]
Abstract
We examined children in Da Nang, a dioxin contamination hotspot in Vietnam, twice at 5 and 8 years of age, and investigated sex- and age-dependent differences in the effects of dioxin exposure on attention deficit hyperactivity disorder (ADHD) symptoms. We also studied autistic traits in children with ADHD symptoms. A total of 163 children participated in follow-up surveys at 5 and 8 years of age and were included in the present analysis. ADHD symptoms were assessed using an ADHD rating scale with inattention and hyperactivity-and-impulsivity (hyperactivity) subscales. Autistic behaviors were evaluated using the Autism Spectrum Rating Scale (ASRS). Perinatal dioxin exposure was indicated by dioxin levels in maternal breast milk. In boys, hyperactivity scores were significantly higher in the high 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) group only at 5 years of age. In girls, hyperactivity scores at 8 years of age were significantly higher in the high TCDD group, which was significantly associated with those at 5 years of age. In girls, ASRS unusual behavior scores were significantly higher with higher TCDD exposure and hyperactivity scores at 8 years of age. These results suggest that high perinatal TCDD exposure may increase ADHD likelihood and autistic traits, particularly in girls of 7–8 years of age.
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Affiliation(s)
- Tai Pham-The
- Institute of Biomedicine and Pharmacy, Vietnam Military Medical University, Hanoi 12108, Vietnam; (T.N.P.); (A.H.T.); (L.V.H.); (Q.D.)
- Correspondence: ; Tel.: +84-339078560
| | - Muneko Nishijo
- Department of Public Health, Kanazawa Medical University, Uchinada, Ishikawa 920-0293, Japan; (M.N.); (H.T.V.); (Y.N.)
| | - Thao Ngoc Pham
- Institute of Biomedicine and Pharmacy, Vietnam Military Medical University, Hanoi 12108, Vietnam; (T.N.P.); (A.H.T.); (L.V.H.); (Q.D.)
| | - Hoa Thi Vu
- Department of Public Health, Kanazawa Medical University, Uchinada, Ishikawa 920-0293, Japan; (M.N.); (H.T.V.); (Y.N.)
| | - Nghi Ngoc Tran
- Ministry of Health, Vietnamese Government, Hanoi 10060, Vietnam;
| | - Anh Hai Tran
- Institute of Biomedicine and Pharmacy, Vietnam Military Medical University, Hanoi 12108, Vietnam; (T.N.P.); (A.H.T.); (L.V.H.); (Q.D.)
| | - Luong Van Hoang
- Institute of Biomedicine and Pharmacy, Vietnam Military Medical University, Hanoi 12108, Vietnam; (T.N.P.); (A.H.T.); (L.V.H.); (Q.D.)
| | - Quyet Do
- Institute of Biomedicine and Pharmacy, Vietnam Military Medical University, Hanoi 12108, Vietnam; (T.N.P.); (A.H.T.); (L.V.H.); (Q.D.)
| | - Yoshikazu Nishino
- Department of Public Health, Kanazawa Medical University, Uchinada, Ishikawa 920-0293, Japan; (M.N.); (H.T.V.); (Y.N.)
| | - Hisao Nishijo
- Faculty of Medicine, University of Toyama, Toyama 930-0194, Japan;
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