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The Special Session of ICMGP 2009
Methylmercury and n-3 polyunsaturated fatty acids exposure from fish consumption


Principal Organizer: Mineshi Sakamoto, National Institute for Minamata Disease, Japan
Co-organizer: Laurie HM Chan, University of Northern British Columbia, Canada

The organizing committee of ICMGP2009 asked for a proposal from conferees for the Special Session, which I believe is the first attempt by ICMGP of the kind. So, we decided to propose financial support to this special session from the National Institute for Minamata Disease as a new type of contribution to the ICMGP.

This session consists of 8 oral presentations and 8 posters. Speakers were from Japan, USA, Canada, Brazil, China, Spanish, Venezuela, Ethiopia and Slovenia. The number of the audience was more than 110.

Fish and shellfish are an important component of the diet in many countries. If fish/shellfish were not important sources of nutrients such as protein and n3-PUFAs, one would recommend cutting down fish consumption to lower the intake of MeHg. In this session, we provided data to estimate the dietary intake from both MeHg and n-3 PUFA in many populations. We also provided data on placental transfer of MeHg and n-3 PUFA. Then, we introduced the latest epidemiological findings on the effect and interactions of both MeHg and of n-3 PUFA on prenatal development. Finally, we showed dissimilar distributions of MeHg and 3n-PUFA across individual fish/shellfish species and provided information on how to maximize the dietary intake of n-3 PUFA and minimize MeHg exposures through optimal choice of fish/shellfish species. Dietary recommendations for pregnant women should incorporate the nutritional benefits as well as the risks of fish intake.

Of course, it was nearly impossible to conclude this topic with the time given to us. However, we felt sure that everyone would find this information important to improve public health and to utilize regional food sources so as to optimize prenatal development through this special session.

At the beginning of the ICMGP, we were thunderstruck at the sad news of Dr. Kathryn Mahaffey. She was going to be a chair of this special session. We would like to express our deepest sympathy to her again.

S01-01 Mercury exposure from fish consumption within the Japanese and Korean communities..................................................................................................................
S01-02 Hair Mercury: Current Methylmercury Exposure in Japan..............................
S01-03 Relationship between methylmercury (MeHg) and docosahexaenoic acids (DHA) in pregnant women and fetuses.........................................................................
S01-04 Prenatal low levels mercury exposure on infant development: a prospective study in Zhoushan Islands, China..................................................................................
S01-05 Methylmercury Exposure, Fish Consumption, and Cardiovascular Function in Faroese Whalingmen.....................................................................................................
S01-06 Maternal fish intake during pregnancy, blood mercury, and child cognition at age 3 years in a US cohort.............................................................................................
S01-07 Methylmercury and omega-3 fatty acids: co-occurrence of dietary sources with emphasis on fish and shellfish..............................................................................
S01-08 Balancing the risk of Methylmercury and benefits of n-3 Polyunsaturated Fatty Acids Exposure from Fish Consumption............................................................
S01-09 Nutrition transition of the Amazon Basin: Impact of fish consumption on growth of exclusively breastfed infants during the first 5 years..................................
S01-10 Total and Methyl Mercury in Maternal and Cord Blood of Pregnant Women in Korea..........................................................................................................................
S01-11 Mercury, selenium, PCBs and fatty acids in fresh and canned fish on the Slovenian market.........................................................................................................
S01-12 Mercury in hair as a biomarker of exposure in a coastal Venezuelan population....................................................................................................................
S01-13 Potential contamination of mercury from artisanal gold mining in the Talawaan watershed area, north Sulawesi, Indonesia..................................................
S01-14 Methylmercury exposure from fish consumption in communities near Ethiopian Rift Valley Lakes.........................................................................................
S01-15 Mercury levels in household members hair and in fish from fishing villages in Zhoushan, China and estimated total daily dietary intakes for fishermen, housewives and children..................................................................................................................
S01-16 Health benefits and chemical risks associated to dietary habits: Fish consumption, mercury and omega-3 fatty acids...................................................................