Last week, Cameron presented a poster for her animal behavior class! In her presentation, Cameron discussed her and Sarah’s research project on the sex-specific effects of aging on circulating cortisol levels both before and following an aggressive encounter. Way to go!
Former Demas lab undergraduate student Kim Long’s manuscript on the effects of acute immune activation on kisspeptin-induced reproductive hormone release was recently published in the Journal of Experimental Biology! Kim conducted this research for her undergraduate honors thesis and was mentored by former Demas lab graduate students Alison Bailey and Tim Greives. In this study, Kim showed that a single treatment of lipopolysaccharide (LPS) is sufficient to block kisspeptin-induced increases in circulating testosterone levels, but does not affect circulating luteinizing hormone levels. Together, Kim’s findings suggest that acute LPS exposure rapidly reduces gonadal sensitivity to HPG stimulation which, in turn, inhibits gonadal steroid release.
A link to the manuscript can be found under the “Publications” page and can also be accessed here.
Image credit: Wahab et al. 2018 (Frontiers in Endocrinology)
Former Demas lab graduate student Kristyn’s manuscript on the consequences of early-life immune activation on the gut microbiome and same-sex social behavior following antibiotic treatment in adulthood was recently published in Brain, Behavior, and Immunity! In this study, Kristyn showed that LPS-treated males exhibit more robust changes in behavior following antibiotic treatment as adults than LPS-treated females, suggesting that males may be more vulnerable to behavioral abnormalities following an early-life immune challenge.
A link for the manuscript can be found under the “Publications” page and can also be accessed here. In addition, the manuscript was chosen by the editors of BBI to be featured in a commentary, which can also be found under our website’s “Publications” page.
Image credit: McMaster University
This week, Kat and Greg attended the 2018 International Congress of Neuroendocrinology in Toronto, Canada! This meeting takes place once every four years and is sponsored by six neuroendocrine research societies from across the globe, including the Society for Behavioral Neuroendocrinology. On Sunday and Monday, Kat gave a poster presentation, in which she discussed the effects of photoperiod and melatonin administration on circulating and neural androgen levels in male Siberian hamsters. Way to go!
This summer, the Demas lab is hosting two students from the Center for the Integrative Study of Animal Behavior’s Research Experience for Undergraduates (REU) program: Desirée Nieves and Ayley Shortridge. Desirée is a senior at the University of Puerto Rico at Mayagüez majoring in Animal Science, and she is interested in pursuing a career in animal conservation or veterinary medicine. Ayley is a rising junior at Michigan State University majoring in Environmental Biology and Zoology, and she would like to attend graduate school and pursue a career in research after completing her undergraduate studies. Welcome, Desirée and Ayley!
Congratulations to Dr. Kristyn Sylvia and undergraduate student Emma St. John, who graduated from Indiana University in May! All of us in the Demas Lab are so proud of your accomplishments, and we wish you the best of luck on your future endeavors!
Kristyn’s research is currently featured in a post on ScIU, a graduate student-run blog that discusses cutting-edge research and current events at Indiana University! This post, written by ScIU blogger and resident hamster guru Kat, discusses Kristyn’s findings from her project on the sex-specific effects of gut dysbiosis on the gut microbiome and behavior in Siberian hamsters.
Click here to read more about Kristyn’s research, which was recently published in the journal Brain, Behavior and Immunity!
Image credit: http://whitedragontrails.com.
Last week, Clarissa was awarded the Rex Grossman Scholarship from the Department of Biology! This scholarship is awarded annually to an outstanding premedical undergraduate student that will be graduating in the upcoming fall semester. Congratulations, Clarissa!
Image credit: Sandee Milhouse Photography.
This week, Kristyn presented a poster at Experimental Biology 2018! This annual multidisciplinary meeting showcases cutting-edge research from several focus areas in the life sciences, including physiology, anatomy, molecular biology, investigative pathology, nutrition, and pharmacology. Congratulations, Kristyn!