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1.
Redox Biol ; 67: 102883, 2023 11.
Article in English | MEDLINE | ID: mdl-37774548

ABSTRACT

In adverse pregnancy a perturbed redox environment is associated with abnormal early-life cardiovascular development and function. Previous studies have noted alterations in the expression and/or activity of Nuclear Factor E2 Related Factor 2 (NRF2) and its antioxidant targets during human gestational diabetic (GDM) pregnancy, however to our knowledge the functional role of NRF2 in fetal 'priming' of cardiovascular dysfunction in obese and GDM pregnancy has not been investigated. Using a murine model of obesity-induced glucose dysregulated pregnancy, we demonstrate that NRF2 activation by maternal sulforaphane (SFN) supplementation normalizes NRF2-linked NQO1, GCL and CuZnSOD expression in maternal and fetal liver placental and fetal heart tissue by gestational day 17.5. Activation of NRF2 in utero in wild type but not NRF2 deficient mice improved markers of placental efficiency and partially restored fetal growth. SFN supplementation was associated with reduced markers of fetal cardiac oxidative stress, including Nox2 and 3-nitrotyrosine, as well as attenuation of cardiac mass and cardiomyocyte area in male offspring by postnatal day 52 and improved vascular function in male and female offspring by postnatal day 98. Our findings are the first to highlight the functional consequences of NRF2 modulation in utero on early-life cardiovascular function in offspring, demonstrating that activation of NRF2 affords cardiovascular protection in offspring of pregnancies affected by redox dysregulation.


Subject(s)
NF-E2-Related Factor 2 , Placenta , Humans , Mice , Male , Female , Pregnancy , Animals , NF-E2-Related Factor 2/genetics , NF-E2-Related Factor 2/metabolism , Placenta/metabolism , Oxidation-Reduction , Isothiocyanates/pharmacology , Obesity/metabolism , Oxidative Stress , Myocytes, Cardiac/metabolism
2.
Neurol Clin Pract ; 12(1): 85-90, 2022 Feb.
Article in English | MEDLINE | ID: mdl-36157625

ABSTRACT

The global burden of neurologic disorders is a leading cause of disability and death worldwide and has increased the demand for treatments and rehabilitation. Our proposed integrated osteopathic-neurologic examination (ONE) provides the physician with expanded diagnostic and point-of-care treatment modalities while allowing the physician to make a more tangible effect in patient care. By incorporating the osteopathic structural somatic examination with the complete neurologic evaluation, somatic dysfunction, occurring as a consequence or independent of neurologic injury, can be identified and treated using osteopathic manipulative techniques at time of visit. Using the proposed integrated examination, the physician can determine the interplay between structural and neurologic findings to identify patterns of change that coincide with more specific diagnoses and the chronicity of a condition. Tangible benefits from the ONE approach translate to more accurate clinical assessment and enhanced patient and physician satisfaction.

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