Kat Publishes Manuscript in Hormones and Behavior

Kat’s manuscript on the role of melatonin in mediating seasonal transitions in aggressive behavior and circulating androgen profiles was recently published in Hormones and Behavior! In this study, Kat showed that male hamsters given a long-term, short day (SD)-like melatonin signal, either via timed melatonin injections or exposure to a SD light cycle, elevate territorial aggression and reduce circulating androgen levels in response to an aggressive interaction. Together, these findings suggest that SD males transition from synthesis to metabolism of circulating androgens following an aggressive encounter, a response that is modulated by melatonin and culminates in increased aggression.

A link for the manuscript can be found under the “Publications” page and can also be accessed here.

Kat Presents at Neuroscience 2019

Earlier this week, Kat presented a poster at Neuroscience 2019, the annual meeting of the Society for Neuroscience, in Chicago! At this conference, Kat discussed her recent findings on how seasonal variation in melatonin secretion alters neurosteroid profiles and aggressive behavior in male Siberian hamsters. Way to go!

Kat Featured on Endocrine Disruptors Podcast

Recently, Kat was featured on an episode of the Endocrine Disruptors Podcast! This podcast features interviews with scientists who study hormones and explores their journeys, identities, and research. In her interview, Kat discussed her research, including some cutting-edge techniques she is developing, and her journey to becoming a scientific researcher.

Click here to listen to the podcast! Also, for more information about Kat’s research, visit her website here.

Ekelé Presents at IN LSAMP Undergraduate Research Poster Session

Last week, Ekelé presented a poster at the Indiana STEM LSAMP (IN LSAMP) Undergraduate Research Poster Session! This summer, Ekelé completed an independent research project, in which he investigated the effect of birthing method on the innate immune activity of one week old Siberian hamsters. Way to go!

For more information about the NSF-funded IN LSAMP program, visit their website here.

Kat and Jessica Mentor Students for the Jim Holland Summer Science Research Program

Last week, Kat and Jessica mentored two students, Kennedi and Ketura, for the Jim Holland Summer Science Research Program (SSRP)! This one-week program introduces high school students to scientific research by pairing them with a host lab in the Indiana University Department of Biology and giving them the opportunity to conduct an independent research project. Kennedi is a rising junior at the Hammond Academy of Science and Technology, and she investigated sex differences in seasonal aggression in male and female Siberian hamsters. Ketura is a rising junior at Bloomington High School South, and she examined the effects of birthing method on maternal care in Siberian hamsters. Way to go, ladies!

For more information about the Jim Holland SSRP program, visit their website here.

The Demas Lab at SBN 2019

This year, the Society for Behavioral Neuroendocrinology’s annual meeting was held in our hometown of Bloomington, Indiana! Greg was the chair of the host committee and was a huge part of making this meeting so successful. In addition, both Kat and Beth presented posters at SBN 2019. Way to go, everyone!

Clarissa Receives Biology Undergraduate Research Award and Fox Glen Research and Education Fund Award

In April, Clarissa received the Biology Undergraduate Research Award and the Fox Glen Research and Education Fund Award from the Department of Biology! The Biology Undergraduate Research Award is given annually for the best research paper written by an undergraduate student, and the Fox Glen Research and Education Fund Award is given annually to an undergraduate student participating in scientific research. Congratulations, Clarissa!

Image credit: Sandee Milhouse Photography.

Cat Awarded Hewins Scholarship for Avian, Wildlife, and Habitat Studies

In April, Cat was awarded the Hewins Scholarship for Avian, Wildlife, and Habitat Studies from the Department of Biology! This scholarship is awarded annually to a graduate or undergraduate student who is involved avian and wildlife research and research-related endeavors, such as habitat protection and development. Congratulations, Cat!

Image credit: Sandee Milhouse Photography.

Congratulations to our Spring 2019 Graduates!

Congratulations to undergraduate students Leanne Jossund, Cameron Logan, John Reinhart, Clarissa Ren, and Michael Vu, who graduated from Indiana University in May! All of us in the Demas lab are so proud of all you have accomplished, and we wish you the best of luck on your future endeavors!

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