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Full-Text Articles in Life Sciences

Regulation Of Trophoblast Invasion By Pyruvate Kinase Isozyme M2 (Pkm2): Preemptive To Pkm2 Activation Decreases Iugr Symptoms In Mice Exposed To Second-Hand Smoke, Juan Mejia, Juan Arroyo, Ph.D. Jun 2019

Regulation Of Trophoblast Invasion By Pyruvate Kinase Isozyme M2 (Pkm2): Preemptive To Pkm2 Activation Decreases Iugr Symptoms In Mice Exposed To Second-Hand Smoke, Juan Mejia, Juan Arroyo, Ph.D.

Journal of Undergraduate Research

The placenta is an organ composed of highly vascular tissue. It plays an essential role in healthy fetal development as a mediator of gases and nutrients between the mother and fetus. Many complications can occur in this stage of fetal development, such as intrauterine growth restriction (IUGR) when the placenta’s invasive and vascular roles are inhibited. IUGR is an obstetric complication that affects over 10% of the population causing harmful symptoms to the fetus and mother. Physiologically, in the first trimester, high trophoblast cell invasion occurs, and the spiral arteries dilate to create a low resistance, high capacity vessel capable …


Antenatal Exposure To Secondhand Smoke Impacts Growth And Cardiopulmonary Energetics In 4-Week-Old Mice, Kaleb Egbert, Paul Reynolds Jun 2019

Antenatal Exposure To Secondhand Smoke Impacts Growth And Cardiopulmonary Energetics In 4-Week-Old Mice, Kaleb Egbert, Paul Reynolds

Journal of Undergraduate Research

Secondhand smoke (SHS) is a well-established cause of respiratory illness in infants and children who live in environments where exposure is common. Recent studies have been performed to examine the potential effects of SHS exposure on fetus’s before they are born1. The data collected suggests that antenatal exposure to SHS impacts cardiovascular and respiratory function through childhood and may even have lifelong ramifications, even if the exposure is terminated shortly after birth. In our study, we sought to determine the impact of SHS exposure during development in the womb would have on 4 week-old mice, or the equivalent of an …


Vitamin A Deficiency Causes Ovulation Abnormalities In Mice, Rebecca Ursin Jun 2014

Vitamin A Deficiency Causes Ovulation Abnormalities In Mice, Rebecca Ursin

DePaul Discoveries

Retinoic acid (RA) is an active metabolite of vitamin A (VA) and is involved in tissue organization, patterning, and growth. RA has been shown to regulate male reproduction, however information on its role in ovary development is limited. To investigate the functions of RA in the ovary, we examined its role in ovary development and ovulation using an in vivo dietary VA-deprivation animal model. Our preliminary results have shown that VA deficiency causes a variety of ovarian pathologies, including reduced numbers of total follicles and corpus lutea, formation of hemorrhagic and atretic follicles, and formation of bursa and follicular cysts. …


High And Low Active Inbred Mice Do Not Show Differential Expression In Potential Candidate Genes Associated With Voluntary Physical Activity, Michelle J. Dawes, David P. Ferguson, Greeshma S. Prabhu, Dr.Timothy Lightfoot Mar 2012

High And Low Active Inbred Mice Do Not Show Differential Expression In Potential Candidate Genes Associated With Voluntary Physical Activity, Michelle J. Dawes, David P. Ferguson, Greeshma S. Prabhu, Dr.Timothy Lightfoot

International Journal of Exercise Science: Conference Proceedings

Physical inactivity is associated with increased cardiovascular disease, obesity, type II diabetes and some types of cancers. Studies have shown that genetics play a significant role in the regulation of voluntary physical activity. However, these studies involve ad libitum access to wheel running, which may cause confounded results due to a training effect, especially in inherently high active animals. This study investigated the levels of gene expression of four potential candidate genes that have been noted to be expressed differentially between high and low active animals: Myostatin (Mstn), Calsequestrin 1 (Casq1), Glucose Transporter member 4 ( …