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Browsing publications by Professor Georg Lietz.

Newcastle AuthorsTitleYearFull text
Dr Anthony Oxley
Professor Georg Lietz
Use of stable isotopes to study bioconversion and bioefficacy of proviatmin A carotenoids2022
Dr Anthony Oxley
Professor Georg Lietz
Biofortified and fortified maize consumption reduces prevalence of low milk retinol, but does not increase vitamin A stores of breastfeeding Zambian infants with adequate reserves: a randomized controlled trial.2021
Dr Anthony Oxley
Professor Georg Lietz
Determination of Vitamin A Total Body Stores in Children from Dried Serum Spots: Application in a Low- and Middle-Income Country Community Setting2021
Liangkui Li
Professor Georg Lietz
Emeritus Professor Chris Seal
Phenolic, apparent antioxidant and nutritional composition of quinoa (Chenopodium quinoa Willd.) seeds2021
Ines Mendes
Kieran Finney
Dr Anthony Oxley
Professor Georg Lietz
Reduced plasma carotenoids in individuals suffering from metabolic diseases with disturbances in lipid metabolism: a systematic review and meta-analysis of observational studies2021
Professor Georg Lietz
Dr Anthony Oxley
Assessment of Vitamin a (VA) Total Body Stores (TBS) Using Dried Serum Spots (DSS)2020
Dr Ahmad Al-Mrabeh
Dr Sviatlana Zhyzhneuskaya
Dr Carl Peters
Alison Barnes
Shaden Melhem
et al.
Hepatic Lipoprotein Export and Remission of Human Type 2 Diabetes after Weight Loss2020
Professor Georg Lietz
Overlapping Vitamin A Intervention Programs: Should We Be Concerned with Excessive Intakes?2020
Dr Anthony Oxley
Professor Georg Lietz
Use of Model-Based Compartmental Analysis and a Super-Child Design to Study Whole-Body Retinol Kinetics and Vitamin A Total Body Stores in Children from 3 Lower-Income Countries2020
Professor Georg Lietz
Dr Anthony Oxley
Kieran Finney
Dr Adam Clark
Effects of Chronic Hypervitaminosis a on Global Plasma Metabolome Changes and Liver Gene Expression (OR05-06-19)2019
Professor Thomas Hill
Professor Georg Lietz
Food and Nutrition‐Related Diseases: The Global Challenge2019
Kieran Finney
Dr Anthony Oxley
Professor Georg Lietz
The Effect of Chronic High Dose Vitamin a Supplementation on Lipid Metabolism in Adipose Tissue (P02-013-19)2019
Dr Adam Clark
Professor Ilias Kyriazakis
Professor Georg Lietz
The Influence of Vitamin A on Molecular Bio-mineral Tissue Development in Pigs2019
Professor Georg Lietz
Dr Anthony Oxley
Updated Estimates of Vitamin a Total Body Stores in Healthy Young Adults Determined by Compartmental Modeling with Vitamin a Intake Added as Data (FS06-07-19)2019
Dr Tom Clifford
Dr Amy Bowman
Tess Capper
Dr Dean Allerton
Dr Emma Foster
et al.
A pilot study investigating reactive oxygen species production in capillary blood after a marathon and the influence of an antioxidant-rich beetroot juice.2018
Liangkui Li
Professor Georg Lietz
Emeritus Professor Chris Seal
Buckwheat and CVD Risk Markers: A Systematic Review and Meta-Analysis2018
Dr Panagiotis Sakkas
Dr Idiegberanoise Oikeh
Dr Anthony Oxley
Professor Georg Lietz
Professor Ilias Kyriazakis
et al.
Does selection for growth rate in broilers affect their resistance and tolerance to Eimeria maxima?2018
Liangkui Li
Professor Georg Lietz
Wendy Bal
Dr Anthony Watson
Ben Morfey
et al.
Effects of Quinoa (Chenopodium quinoa Willd.) Consumption on markers of CVD risk2018
Dr Anthony Oxley
Professor Georg Lietz
Intestinal β-carotene bioconversion in humans is determined by a new single-sample, plasma isotope ratio method and compared with traditional and modified area-under-the-curve methods2018
Professor Georg Lietz
Micronutrient status assessment in humans: Current methods of analysis and future trends2018
Professor Georg Lietz
Dr Anthony Oxley
A Simple Plasma Retinol Isotope Ratio Method for Estimating β-Carotene Relative Bioefficacy in Humans: Validation with the Use of Model-Based Compartmental Analysis2017
Philip Berry
Dr Anthony Oxley
Professor Georg Lietz
A Retinol Isotope Dilution Equation Predicts Both Group and Individual Total Body Vitamin A Stores in Adults Based on Data from an Early Postdosing Blood Sample2016
Professor Georg Lietz
Biomarkers of Nutrition for Development (BOND)—Vitamin A Review2016
Professor Georg Lietz
Current Capabilities and Limitations of Stable Isotope Techniques and Applied Mathematical Equations in Determining Whole-Body Vitamin A Status2016
Dr Patricia Huebbe
Jennifer Lange
Professor Georg Lietz
Dietary beta-carotene and lutein metabolism is modulated by the APOE genotype2016
Professor Georg Lietz
Maximizing the benefits and minimizing the risks of intervention programs to address micronutrient malnutrition: symposium report2016
Dr Anthony Oxley
Philip Berry
Professor Georg Lietz
Plasma Retinol Kinetics and β-Carotene Bioefficacy Are Quantified by Model-Based Compartmental Analysis in Healthy Young Adults with Low Vitamin A Stores2016
Hunke Mberema
Professor Georg Lietz
Professor Ilias Kyriazakis
The effects of gender and muscle type on the mRNA levels of the calpain proteolytic system and beef tenderness during post-mortem aging2016
Professor Georg Lietz
Dr Anthony Oxley
A modified isotope dilution equation predicts Vitamin a total body stores in individuals2015
Dr Anthony Oxley
Professor Georg Lietz
The BETASNP2 study: Effect of β-carotene formulation and rs6564851 on β-carotene plasma responses2015
Dr Amy Bowman
Professor Mark Birch-Machin
Professor Georg Lietz
The Effect Of Nutritional Intervention On Blood Oxidative Stress Levels2015
Professor Georg Lietz
Uncertainties of assessing total body vitamin A stores in community settings in low-income countries using the stable-isotope dilution methodology2015
Professor Georg Lietz
Dr Anthony Oxley
Philip Berry
Professor John Hesketh
Dr Franck Tourniaire
et al.
β-carotene (BC) bioconversion is similar in men and women2015
Dr Anthony Oxley
Philip Berry
Gordon Taylor
Dr Joe Cowell
Dr Michael Hall
et al.
An LC/MS/MS method for stable isotope dilution studies of β-carotene bioavailability, bioconversion and vitamin A status in humans2014
Dr Hyun Jin Park
Professor Georg Lietz
Dr Anthony Oxley
Professor Alan Boddy
Philip Berry
et al.
Simplified approaches for estimating vitamin A stores and β-carotene bioconversion in humans2014
Professor Georg Lietz
Peter Curtis
Professor John Mathers
Dr Franck Tourniaire
CD36 and SR-BI Are Involved in Cellular Uptake of Provitamin A Carotenoids by Caco-2 and HEK Cells, and Some of Their Genetic Variants Are Associated with Plasma Concentrations of These Micronutrients in Humans2013
Professor Georg Lietz
Dr Anthony Oxley
Dr Christine Bosch-Saadatmandi
Consequences of common genetic variations on beta-carotene cleavage for vitamin A supply2013
Dr Anthony Oxley
Philip Berry
Professor John Hesketh
Professor Alan Boddy
Professor Georg Lietz
et al.
Gender differences in retinol metabolism are independent of β-carotene bioconversion2013
Mohammed Asim
Dr Edward Okello
Professor Mark Birch-Machin
Professor Georg Lietz
The anti-oxidant capacity of green tea polyphenols in the oral cavity2013
Peter Curtis
Professor Georg Lietz
Professor John Mathers
Apolipoprotein E genotype and the cardiovascular disease risk phenotype: Impact of sex and adiposity (the FINGEN study)2012
Professor Georg Lietz
Dr Anthony Oxley
Dr Christine Bosch-Saadatmandi
Dr Daisuke Kobayashi
Importance of b,b-carotene 15-15'-monooxygenase 1 (BCMO1) and b,b-carotene 9,10-dioxygenase 2 (BCDO2) in nutrition and health2012
Dr Nilendran Prathalingam
Linda Ferguson
Lorna Young
Professor Georg Lietz
Dr Rachel Oldershaw
et al.
Production and validation of a good manufacturing practice grade human fibroblast line for supporting human embryonic stem cell derivation and culture2012
Professor Georg Lietz
Dr Anthony Oxley
Professor John Hesketh
Single Nucleotide Polymorphisms Upstream from the β-Carotene 15,15'-Monoxygenase Gene Influence Provitamin A Conversion Efficiency in Female Volunteers2012
Professor Georg Lietz
Beta-Carotene Reduces Body Adiposity of Mice via BCMO12011
Professor Georg Lietz
Gene expression response of mouse lung, liver and white adipose tissue to beta-carotene supplementation, knockout of Bcmo1 and sex2011
Professor Georg Lietz
Professor John Mathers
The Impact of Common Gene Variants on the Response of Biomarkers of Cardiovascular Disease (CVD) Risk to Increased Fish Oil Fatty Acids Intakes2011
Professor Georg Lietz
beta-Carotene Is an Important Vitamin A Source for Human2010
Professor Georg Lietz
Dr Edward Okello
Effects of resveratrol on cerebral blood flow variables and cognitive performance in humans: a double-blind, placebo-controlled, crossover investigation2010
Dr Helen Swalwell
Dr Anne Oyewole
Matthew Birket
Professor Georg Lietz
Professor Mark Birch-Machin
et al.
Investigating the effects of mitochondrial-targeted antioxidants on mitochondrial function and DNA damage in human skin cells2010
Professor Georg Lietz
Rachel Godschalk
Knockout of the Bcmo1 gene results in an inflammatory response in female lung, which is suppressed by dietary beta-carotene2010
Professor Georg Lietz
Jennifer Lange
Molecular and dietary regulation of beta,beta-carotene 15,15'-monooxygenase 1 (BCMO1)2010
Professor John Hesketh
Professor Georg Lietz
Professor John Mathers
Dr Catherine Meplan
The Micronutrient Genomics Project: a community-driven knowledge base for micronutrient research2010
Professor John Hesketh
Professor Georg Lietz
A network approach to micronutrient genetics: interactions with lipid metabolism2009
Dr Catherine Meplan
Dr James Flint
Dr Franck Tourniaire
Professor John Hesketh
Professor Georg Lietz
et al.
Two common single nucleotide polymorphisms in the gene encoding β-carotene 15,15′-monoxygenase alter β-carotene metabolism in female volunteers2009
Dr Franck Tourniaire
Professor Georg Lietz
β-carotene conversion products and their effects on adipose tissue2009
Dr Franck Tourniaire
Professor John Hesketh
Professor Georg Lietz
Do single nucleotide polymorphisms in beta-carotene dioxygenase-2 ( BCDO2) gene affect the postprandial response?2008
Professor Georg Lietz
Peter Curtis
Julie Stannard
Professor John Mathers
Effect of sex and genotype on cardiovascular biomarker response to fish oils: the FINGEN Study2008
Professor John Hesketh
Professor Georg Lietz
The challenges for molecular nutrition research 1: Linking genotype to healthy nutrition2008
Dr Kirsten Brandt
Professor Georg Lietz
A systematic approach for identifying plant components with impact on human health2007
Dr Kirsten Brandt
Professor Georg Lietz
A systematic approach for identifying plant components with impact on human health2007
Professor Georg Lietz
Professor John Mathers
Bioethics in human nutrigenomics research: European Nutrigenomics Organisation workshop report2006
Professor Georg Lietz
Xanthophyll and hydrocarbon carotenoid patterns differ in plasma and breast milk of women supplemented with red palm oil during pregnancy and lactation2006
Professor Georg Lietz
The impact of 'CookWell' on assisting dietary change in Asian young women at risk of having low birth-weight babies: qualitative findings2005
Professor Georg Lietz
Plasma Levels of Retinol, Carotenoids, and Tocopherols in Relation to Dietary Pattern among Pregnant Tanzanian Women2003
Professor Georg Lietz
Can the EPIC food-frequency questionnaire be used in adolescent populations?2002
Professor Georg Lietz
Professor John Mathers
Emeritus Professor Chris Seal
Effect of barley beta-glucan on plasma cholesterol may depend on apolipoprotein E4 genotype - results from a pilot study2002
Professor Georg Lietz
Comparison of the effects of supplemental red palm oil and sunflower oil on maternal vitamin A status2001
Professor Georg Lietz
Supplementation with red palm oil changes acute-phase response in lactating Tanzanian women2000
Professor Georg Lietz
Milk cytokines and subclinical breast inflammation in Tanzanian women: effects of dietary red palm oil or sunflower oil supplementation1999