نتایج جستجو برای: aflatoxin (af)

تعداد نتایج: 26300  

2017
Denise Gómez-Espinosa Francisco Javier Cervantes-Aguilar Juan Carlos Del Río-García Tania Villarreal-Barajas Alma Vázquez-Durán Abraham Méndez-Albores

Different in vitro and in silico approaches from our research group have demonstrated that neutral electrolyzed water (NEW) can be used to detoxify aflatoxins. The objective of this investigation was to evaluate the ability of NEW to detoxify B-aflatoxins (AFB₁ and AFB₂) in contaminated maize and to confirm detoxification in an in vivo experimental model. Batches of aflatoxin-contaminated maize...

Journal: :Clinical and Developmental Immunology 2008
Yi Jiang Pauline E. Jolly Peter Preko Jia-Sheng Wang William O. Ellis Timothy D. Phillips Jonathan H. Williams

Both aflatoxin and the human immunodeficiency virus (HIV) cause immune suppression and millions of HIV-infected people in developing countries are chronically exposed to aflatoxin in their diets. We investigated the possible interaction of aflatoxin and HIV on immune suppression by comparing immune parameters in 116 HIV positive and 80 aged-matched HIV negative Ghanaians with high (> or =0.91 p...

2005
Christopher P. Wild Marijke Fortuin Francesco Donato Hilton C. Whittle Andrew J. Hall C. Roland Wolf Ruggero Montesano

The relative contribution of, and possible mechanism of interaction between, aflatoxin and hepatitis B virus (HBV) in the development of primary hepatocellular carcinoma can be better investigated now that markers of individual exposure to both factors are available. In this study, blood samples were collected over a 1 -month period from 1 1 7 children aged 3 to 4 years, resident in Kuntair or ...

2011
John Keenan Pauline Jolly Peter Preko Joseph Baidoo Jia-Sheng Wang Timothy D. Phillips Jonathan H. Williams Gerald McGwin

Title: Association Between Aflatoxin B1 Albumin Adduct Levels and Tuberculosis Infection Among HIV+ Ghanaians. Background: Aflatoxin exposure has been shown to cause cell-mediated immune suppression and enhance HIV viral replication. Such immune suppression from aflatoxin can impair resistance to both infectious diseases and chronic infections. Methods: Hazard ratios (HRs) with 95% confidence i...

2004
Yunyun Gong Assomption Hounsa Sharif Egal Paul C. Turner Anne E. Sutcliffe Andrew J. Hall Kitty Cardwell Christopher P. Wild

Aflatoxins are dietary contaminants that are hepatocarcinogenic and immunotoxic and cause growth retardation in animals, but there is little evidence concerning the latter two parameters in exposed human populations. Aflatoxin exposure of West African children is known to be high, so we conducted a longitudinal study over an 8-month period in Benin to assess the effects of exposure on growth. T...

2011
Francis A Obuseh Pauline E Jolly Andrzej Kulczycki John Ehiri John Waterbor Renee A Desmond Peter O Preko Yi Jiang Chandrika J Piyathilake

BACKGROUND Micronutrient deficiencies occur commonly in people infected with the human immunodeficiency virus. Since aflatoxin exposure also results in reduced levels of several micronutrients, HIV and aflatoxin may work synergistically to increase micronutrient deficiencies. However, there has been no report on the association between aflatoxin exposure and micronutrient deficiencies in HIV-in...

Journal: :International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition 2010
Francis A Obuseh Pauline E Jolly Yi Jiang Faisal M B Shuaib John Waterbor William O Ellis Chandrika J Piyathilake Renee A Desmond Evans Afriyie-Gyawu Timothy D Phillips

BACKGROUND Although aflatoxin exposure has been associated with micronutrient deficiency in animals, there are few investigations on the effects of aflatoxin exposure on micronutrient metabolism in humans. OBJECTIVE To examine the relationship between aflatoxin B1 (AFB1) albumin adducts (AF-ALB) in plasma and the aflatoxin M1 (AFM1) metabolite in urine and plasma concentrations of retinol (vi...

Journal: :International journal of epidemiology 2007
Paul C Turner Andrew C Collinson Yin Bun Cheung Yunyun Gong Andrew J Hall Andrew M Prentice Christopher P Wild

BACKGROUND Growth faltering in West African children has previously been associated with dietary exposure to aflatoxins, particularly upon weaning. However, in animal studies in utero exposure to low levels of aflatoxin also results in growth faltering. OBJECTIVE This study investigated the effect of in utero aflatoxin exposure on infant growth in the first year of life in The Gambia. METHO...

Journal: :Environmental Health Perspectives 2003
Paul C Turner Sophie E Moore Andrew J Hall Andrew M Prentice Christopher P Wild

Aflatoxins are immunotoxins that frequently contaminate staple foods in The Gambia and other parts of sub-Saharan Africa, resulting in high exposure throughout life. Impaired infant immune system development may be a key predictor of mortality from infectious disease. In this study we aimed to determine the effect of dietary aflatoxin exposure on a number of immune parameters in Gambian childre...

Journal: :Ghana medical journal 2012
F M B Shuaib P E Jolly J E Ehiri W O Ellis N J Yatich E Funkhouser S D Person J H Williams G Qian J-S Wang

OBJECTIVES Aflatoxins are fungal metabolites that contaminate staple food crops in many developing countries. Although studies have linked these toxins to adverse birth outcomes and poor infant development, no study has investigated the socio-demographic and economic determinants of aflatoxin levels among pregnant women living in sub-Saharan Africa. DESIGN A cross-sectional study was conducte...

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