Objectives: We hypothesized that TNF-alpha would be higher in obese versus lean women with preeclampsia.
Methods: Total plasma TNF-alpha was measured in a nested case-control study of 123 nulliparous lean and obese control women and women with preeclampsia.
Results: Adjusted mean TNF-alpha concentrations were 0.97 +/- 0.11 (pg/mL +/- SEM) in lean controls, 1.01 +/- 0.10 in obese controls, 1.43 +/- 0.11 in lean women with preeclampsia and 1.16 +/- 0.11 in obese women with preeclampsia. Pregnancy outcome was the single predictor of TNF-alpha concentration in the general linear regression model (p = 0.04).
Conclusion: TNF-alpha concentration was higher in preeclampsia compared with control subjects. Obesity was not associated with higher TNF-alpha concentrations in either preeclampsia or control subjects.
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http://dx.doi.org/10.1080/10641950701825838 | DOI Listing |
Am J Hum Biol
January 2025
Department of Physical Education and Sport, University of Granada, Granada, Spain.
Introduction: The maximal fat oxidation (MFO) and the exercise intensity that provokes MFO (FATMAX) are inversely associated with cardiometabolic risk factors in healthy young sedentary adults. However, how both cardiorespiratory fitness (CRF) level and sex influence MFO during exercise and the FATMAX is seldom analyzed.
Objectives: This study is aimed at determining the influence of CRF and sex on MFO.
Br J Sports Med
January 2025
Radiation: Defense, Health, Environment, INSERM Unit U1296, Lyon, France.
Objective: Low body fat and high physical activity levels are key lifestyle factors in cancer prevention, but the interplay of abdominal obesity and physical activity on cancer risk remains unknown. We explored individual and joint associations of waist circumference and physical activity with cancer risk.
Methods: Using UK Biobank data (n=315 457), we categorised individuals according to WHO guideline thresholds for waist circumference and self-reported physical activity levels.
Br J Nutr
January 2025
SAMRC/Wits Developmental Pathways for Health Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
Although research on the relationship between lean body mass and blood pressure (BP) has been inconsistent, most studies reported that measures of lean body mass are associated with a higher risk of hypertension. We explored relationships between body composition (fat and skeletal muscle mass) and BP in 1162 young adult African women. DXA-derived measures of whole body, central and arm fat mass were associated with higher systolic and diastolic BP, while leg fat percentage was associated with lower systolic and diastolic BP.
View Article and Find Full Text PDFJ Nutr
January 2025
University of Bonn, Institute of Nutritional and Food Sciences, Bonn, Germany. Electronic address:
Background: It is not yet clear to what extent the physiological regulatory mechanisms that maintain core body temperature are reflected by changes in resting energy expenditure (REE). Particularly in indirect calorimetry with a canopy, the effects of short-term temperature exposures have not yet been investigated. This can be of relevance for the determination of REE in practice.
View Article and Find Full Text PDFNutrients
December 2024
College of Health Professions and Sciences, University of Central Florida, Orlando, FL 32816, USA.
Energy drinks are a commonly consumed beverage, and studies suggest a possible performance-enhancing effect. A Google Scholar search using the keywords "energy drinks" and "exercise" yields numerous results, underscoring the voluminous research on this topic. However, there are questions regarding the effectiveness and safety of energy drinks.
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