Publications by authors named "T Hartwig"
Article Synopsis
- The study investigates how reallocating time among physical activity, sedentary behavior, and sleep affects obesity indicators like BMI and waist circumference across various age groups.
- Researchers analyzed data from 9,818 participants using isotemporal substitution models to understand the implications of these behavior changes.
- Results indicated that even small shifts of 10-30 minutes can significantly impact obesity, with reallocating moderate-to-vigorous physical activity (MVPA) to lighter activities or sedentary behavior having particularly detrimental effects.
Immune changes in pregnancy: associations with pre-existing conditions and obstetrical complications at the 20th gestational week-a prospective cohort study.
BMC Med
December 2024
Background: Pregnancy is a complex biological process and serious complications can arise when the delicate balance between the maternal and semi-allogeneic fetal immune systems is disrupted or challenged. Gestational diabetes mellitus (GDM), pre-eclampsia, preterm birth, and low birth weight pose serious threats to maternal and fetal health. Identification of early biomarkers through an in-depth understanding of molecular mechanisms is critical for early intervention.
View Article and Find Full Text PDFValidating the Use of Continuous Glucose Monitors With Nondiabetic Recreational Runners.
Int J Sports Physiol Perform
November 2024
Purpose: Continuous glucose monitors (CGMs) are becoming increasingly popular among endurance athletes despite unconfirmed accuracy. We assessed the concurrent validity of the FreeStyle Libre 2 worn on 2 different sites at rest, during steady-state running, and postprandial.
Methods: Thirteen nondiabetic, well-trained recreational runners (age = 40 [8] y, maximal aerobic oxygen consumption = 46.
Article Synopsis
- The study evaluated the vitamin D, folate, vitamin B, and iron levels in Old Order Anabaptist (OOA) pregnant and postpartum women by analyzing blood samples and dietary records from 50 participants.
- Results showed that 20% of women had low levels of vitamin D, while 42% had inadequate dietary intake; however, all had sufficient RBC folate, and a minority had low iron levels.
- Despite some deficiencies, overall, the dietary and micronutrient status of OOA women was similar to previous Canadian studies, highlighting the need for tailored dietary guidance for this group.
Brassinosteroids (BR) and gibberellins (GA) regulate plant height and leaf angle in maize (Zea mays). Mutants with defects in BR or GA biosynthesis or signaling identify components of these pathways and enhance our knowledge about plant growth and development. In this study, we characterized three recessive mutant alleles of GRAS transcription factor 42 (gras42) in maize, a GRAS transcription factor gene orthologous to the DWARF AND LOW TILLERING (DLT) gene of rice (Oryza sativa).
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