Monitoring micronutrients in cigarette smokers

CA Northrop-Clewes, DI Thurnham - Clinica chimica acta, 2007 - Elsevier
Smoking is associated with oxidative stress and increased risks of many chronic diseases
that both shorten life and impair its quality. Low concentrations of several micronutrients …

The effect of vitamin A on epithelial integrity

FSW McCullough, CA Northrop-Clewes… - Proceedings of the …, 1999 - cambridge.org
Vitamin A is the generic term for a variety of fat-soluble substances including retinol, retinyl
palmitate and the provitamin A carotenoids such as all-trans-β-carotene. Vitamin A is …

Micronutrients in childhood and the influence of subclinical inflammation

DI Thurnham, ASW Mburu, DL Mwaniki… - Proceedings of the …, 2005 - cambridge.org
In the present paper biomarkers of micronutrient status in childhood and some of the factors
influencing them, mainly dietary intake, requirements and inflammation will be examined. On …

[HTML][HTML] Adjusting plasma ferritin concentrations to remove the effects of subclinical inflammation in the assessment of iron deficiency: a meta-analysis

DI Thurnham, LD McCabe, S Haldar… - The American journal of …, 2010 - Elsevier
Background: The World Health Organization recommends serum ferritin concentrations as
the best indicator of iron deficiency (ID). Unfortunately, ferritin increases with infections; …

Validation of dietary assessment methods in the UK arm of EPIC using weighed records, and 24-hour urinary nitrogen and potassium and serum vitamin C and …

SA Bingham, C Gill, A Welch, A Cassidy… - International journal …, 1997 - academic.oup.com
Abstract BACKGROUND: In the UK EPIC validation studies, the accuracy of several methods
was assessed by comparison with to-day weighed records and the biomarkers, 24-hour …

A European carotenoid database to assess carotenoid intakes and its use in a five-country comparative study

ME O'Neill, Y Carroll, B Corridan, B Olmedilla… - British Journal of …, 2001 - cambridge.org
A food frequency questionnaire (FFQ) and carotenoid database with information on α-and β-
carotene, lutein, lycopene and β-cryptoxanthin was prepared and used to compare the …

Effects of subclinical infection on plasma retinol concentrations and assessment of prevalence of vitamin A deficiency: meta-analysis

DI Thurnham, GP McCabe, CA Northrop-Clewes… - The Lancet, 2003 - thelancet.com
Background Vitamin A deficiency adversely affects child morbidity and survival. This
deficiency is estimated by measurement of plasma retinol concentrations, but because …

The use of different lipids to express serum tocopherol: lipid ratios for the measurement of vitamin E status

DI Thurnham, JA Davies, BJ Crump… - Annals of clinical …, 1986 - journals.sagepub.com
Plasma tocopherol was measured in 85 alcoholic patients and 40 control subjects from a
local factory. Cholesterol, triglycerides and phospholipids were measured individually and …

Serum concentrations of carotenoids and vitamins A, E, and C in control subjects from five European countries

B Olmedilla, F Granado, S Southon… - British Journal of …, 2001 - cambridge.org
High intakes of fruits and vegetables, or high circulating levels of their biomarkers
(carotenoids, vitamins C and E), have been associated with a relatively low incidence of …

Concurrent liquid-chromatographic assay of retinol, alpha-tocopherol, beta-carotene, alpha-carotene, lycopene, and beta-cryptoxanthin in plasma, with tocopherol …

DI Thurnham, E Smith, PS Flora - Clinical chemistry, 1988 - academic.oup.com
A method is described for simultaneously determining retinol, alpha-tocopherol, beta-
carotene, alpha-carotene, lycopene, and beta-cryptoxanthin in 0.25 mL of plasma. Plasma …