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Articles 1 - 7 of 7
Full-Text Articles in Endocrinology
Thyroid Storm At Sea: A Case Report Of Algae-Induced Thyrotoxicosis, Alynna Knaub, Amanda Cecchini, John Janousek, Laura Strojny, Jairo Noreña, Zachary Pawlikowski
Thyroid Storm At Sea: A Case Report Of Algae-Induced Thyrotoxicosis, Alynna Knaub, Amanda Cecchini, John Janousek, Laura Strojny, Jairo Noreña, Zachary Pawlikowski
Department of Medicine Faculty Publications
Iodine-induced thyrotoxicosis (IIT), also known as the Jod-Basedow phenomenon, is a rare yet recognized cause of hyperthyroidism. While iodinated contrast is the most frequent trigger, iodine-rich supplements such as seaweed products or supplements can also precipitate thyrotoxicosis, particularly in individuals with prior chronic iodine deficiency or preexisting thyroid nodular disease. We present a case of thyroid storm following short-term ingestion of Irish sea moss as part of a “crash diet.” A 37-year-old woman with type 1 diabetes mellitus, well controlled on subcutaneous insulin therapy, presented with nausea and vomiting after 6 days of following a restrictive diet consisting solely of …
Investigating The Relationship Among Environmental Factors, Reproductive Status, And Stress In A Preclinical Model Of Endocrine Function In Women’S Translational Health, Bianca A. Camacho, Laura Emma Garcia, Raquel Villarreal, Mario Gil
Investigating The Relationship Among Environmental Factors, Reproductive Status, And Stress In A Preclinical Model Of Endocrine Function In Women’S Translational Health, Bianca A. Camacho, Laura Emma Garcia, Raquel Villarreal, Mario Gil
Research Symposium
Background: The average menstrual cycle of a healthy adult woman is a duration of approximately 28 days, during which in the follicular phase (first 14 days) the progesterone hormone is at a stable level while estrogen increases to its peak level on day 14. Day 14 is known as ovulation, during which progesterone increases during its Luteinizing Hormone (LH) surge while estrogen decreases. Menses, known colloquially as a woman’s “period,” begins approximately at day 14 after ovulation and lasts an average of 7 days. The luteal phase, otherwise known as the secretory phase, lasts for the remaining 14 days until …
Hypothalamic Manipulation Of The Anuran Hpg Axis: Alternative Hormones And A Non-Invasive Administration Route For Amphibian Assisted Reproductive Technologies (Art), Erin Michelle Saylor
Hypothalamic Manipulation Of The Anuran Hpg Axis: Alternative Hormones And A Non-Invasive Administration Route For Amphibian Assisted Reproductive Technologies (Art), Erin Michelle Saylor
Theses and Dissertations
Amidst the amphibian extinction crisis, in situ and ex situ amphibian species conservation initiatives utilize assisted reproductive technologies for optimal genetic management of captive and wild populations. Development of effective, simple, low-cost methods for obtaining gametes for artificial fertilization, sperm biobanking, or natural breeding alleviates obstacles for institutions or programs to apply reproductive technologies. Objectives herein include investigating the efficacy of alternative hormones for inducing spermiation, an alternative hormone administration route for inducing ovulation, exploring the physiological effects of hormone therapy, and utilizing sperm from deceased animals for biobanking.
Microglial Response To Glucocorticoids During Chronic Sleep Fragmentation, Christian Chelson
Microglial Response To Glucocorticoids During Chronic Sleep Fragmentation, Christian Chelson
Masters Theses & Specialist Projects
Sleep is one of the body’s greatest and most basic needs. Chronic sleep loss (<6 hours a day) is linked to many cardiovascular issues, diabetes, and inflammatory conditions and has been shown to lower life expectancy. Obstructive sleep apnea (OSA) is a complication that causes sleep fragmentation in >8% of adults from developed countries, and many with OSA may be unaware of their condition. Having long-term OSA is linked to neuroinflammation caused by activated microglia in the brain, but the mechanics of this inflammation are not well understood. It is known that glucocorticoids, steroid hormones produced and released from the adrenal glands, have a suppressive effect on microglia. The purpose of this study is to explore the role that glucocorticoids have upon microglia activation induced by chronic sleep fragmentation (SF). C57BL/6J mice were …
Estrogen Receptor–Α In Medial Amygdala Neurons Regulates Body Weight, Pingwen Xu, Xuehong Cao, Yanlin He, Liangru Zhu, Yongjie Yang, Kenji Saito, Chunmei Wang, Xiaofeng Yan, Antentor Othrell Hinton Jr., Fang Zou, Hongfang Ding, Yan Xia, Chunling Yan, Gang Shu, San-Pin Wu, Bin Yang, Benjamin Feng, Deborah J. Clegg, Richard Demarchi, Sohaib A. Khan, Sophia Y. Tsai, Francesco J. Demayo, Qi Wu, Qingchun Tong, Yong Xu
Estrogen Receptor–Α In Medial Amygdala Neurons Regulates Body Weight, Pingwen Xu, Xuehong Cao, Yanlin He, Liangru Zhu, Yongjie Yang, Kenji Saito, Chunmei Wang, Xiaofeng Yan, Antentor Othrell Hinton Jr., Fang Zou, Hongfang Ding, Yan Xia, Chunling Yan, Gang Shu, San-Pin Wu, Bin Yang, Benjamin Feng, Deborah J. Clegg, Richard Demarchi, Sohaib A. Khan, Sophia Y. Tsai, Francesco J. Demayo, Qi Wu, Qingchun Tong, Yong Xu
Peer Reviewed Articles
Estrogen receptor–α (ERα) activity in the brain prevents obesity in both males and females. However, the ERα-expressing neural populations that regulate body weight remain to be fully elucidated. Here we showed that single-minded–1 (SIM1) neurons in the medial amygdala (MeA) express abundant levels of ERα. Specific deletion of the gene encoding ERα (Esr1) from SIM1 neurons, which are mostly within the MeA, caused hypoactivity and obesity in both male and female mice fed with regular chow, increased susceptibility to diet-induced obesity (DIO) in males but not in females, and blunted the body weight–lowering effects of a glucagon-like peptide-1–estrogen …
The Reproductive Biology Of The Finetooth Shark, Carcharhinus Isodon, In The Northwest Atlantic Ocean, Amanda N. Brown
The Reproductive Biology Of The Finetooth Shark, Carcharhinus Isodon, In The Northwest Atlantic Ocean, Amanda N. Brown
UNF Graduate Theses and Dissertations
Shark fisheries are a multimillion dollar industry in the United States and have significant contributions both recreationally and commercially. In order to maintain this industry, fisheries must be properly managed. An understanding of life history and reproduction is crucial in order to adequately manage shark fisheries. The finetooth shark, Carcharhinus isodon, is a member of the small coastal shark (SCS) fishery complex. It is found in Atlantic waters from South Carolina to Florida and throughout the Gulf of Mexico. This species has recently come under increased fishing pressure and has previously been overfished. New data is needed in order …
Targeted Expression Of A Dominant-Negative Fibroblast Growth Factor (Fgf) Receptor In Gonadotropin-Releasing Hormone (Gnrh) Neurons Reduces Fgf Responsiveness And The Size Of Gnrh Neuronal Population, Pei-San Tsai, Suzanne M. Moenter, Hector R. Postigo, Mohammed El Majdoubi, Toni R. Pak, John C. Gill, Sreenivasan Paruthiyil, Sabine Werner, Richard I. Weiner
Targeted Expression Of A Dominant-Negative Fibroblast Growth Factor (Fgf) Receptor In Gonadotropin-Releasing Hormone (Gnrh) Neurons Reduces Fgf Responsiveness And The Size Of Gnrh Neuronal Population, Pei-San Tsai, Suzanne M. Moenter, Hector R. Postigo, Mohammed El Majdoubi, Toni R. Pak, John C. Gill, Sreenivasan Paruthiyil, Sabine Werner, Richard I. Weiner
Collected Faculty Scholarship
Increasing evidence suggests that fibroblast growth factors (FGFs) are neurotrophic in GnRH neurons. However, the extent to which FGFs are involved in establishing a functional GnRH system in the whole organism has not been investigated. In this study, transgenic mice with the expression of a dominant-negative FGF receptor mutant (FGFRm) targeted to GnRH neurons were generated to examine the consequence of disrupted FGF signaling on the formation of the GnRH system. To first test the effectiveness of this strategy, GT1 cells, a GnRH neuronal cell line, were stably transfected with FGFRm. The transfected cells showed attenuated neurite outgrowth, diminished FGF-2 …