Slav and Elena Labs at Yale

Collaborative projects between Slav Bagriantsev and Elena Gracheva Laboratories at Yale University

Nature Communications

Our paper on the neurophysiological mechanism of long-term anorexia during hibernation is out in Nature Communications!

Mohr SM, Dai Pra R, Platt MP, Feketa VV, Shanabrough M, Varela L, Kristant A, Cao H, Merriman DK, Horvath TL, Bagriantsev SN, Gracheva EO. Hypothalamic thyroid hormone deficiency underlies reversible anorexia in ground squirrels during hibernation. Nature Communications 2024, 15:5803.


After almost 12 years at Yale, Slav and Elena are promoted to Full Professors!

npj Biologial Timing and Sleep

Our collaborative paper with Yoshifumi Yamaguchi, Gen Kurosawa and others on the timing of hibernation is out in npj Biological Timing and Sleep!

Gibo S, Yamaguchi Y, Gracheva EO, Bagriantsev SN, Tokuda IT, Kurosawa G. Frequency-modulated timer regulates torpor-arousal cycles during hibernation in distinct small mammalian hibernators. npj Biol Timing Sleep 2024, 1:3.

Lab research highlighted by The Kavli Foundation

Our research on hibernation is highlighted in the recent article by Lindsay Borthwick on The Kavli Foundation website.

Shade gives a talk at INP

Shade gave a superb talk on neurophysiology of reproduction during hibernation at INP RIP seminar!

Jiawen’s poster at SRBR 2024

Jiawen went to Puerto Rico to present her work at the Biennial Meeting of the Society for Research of Biological Rhythms!

Sima joins Slav’s lab

Serafima (Sima) Ardasheva joins Slav’s lab as a visiting undergrad from Temple University. Welcome!

Sarah Mohr, PhD

Sarah Mohr has defended her PhD thesis! Congratulations, Dr. Mohr!


Rafael is the 2024 Annie Le Fellow

Congratulations to Rafel on winning the Annie Le Fellowship 2024!

This fellowship is awarded in memory of Annie Le and is awarded to students who have demonstrated leadership and service to the Yale and New Haven community, have an exemplary record of academic achievement, and outstanding interpersonal skills.

Madeleine Junkins, PhD

Maddy has defended her PhD!!! Congratulations, Dr. Junkins!

Rebecca’s talk at Neuroscience RIP

Rebecca talks squirrels and the sense of touch at the Neuroscience RIP seminar!

Haoran gives a talk at INP RIP

Haoran explains winter, food and squirrels during her INP RIP talk!


Jiawen’s RIP talk at Physiology

Though it’s April first, Jiawen’s talk at Physiology Seminar series was no joke! Real deal!



Sensory Physiology strikes again! Now with 80 kids from around New Haven. Committed to nurturing the next generation of scientists!

Deidre gives a talk at M2P2 rotation seminar

The first talk by Deidre at the M2P2 rotation seminar!

Kamila joins Elena’s lab

Kamila Kemenyfy-Rojas from INP joins Elena’s lab as a PhD student. Welcome!

Dharani joins Slav/Elena labs

Dharani Sree Ravi joins both labs as a Postgraduate Trainee. Welcome!


Haoran wins Physiology Bake-Off

Congrats to Haoran, whose cheesecake won the coveted 2024 Physiology Bake-Off Grand Prix by a landslide!!!


Deidre joins Elena’s lab

Deidre Thompson from M2P2 joins Elena’s lab as a new PhD student. Welcome!

Sarah’s talk at Neuroscience RIP

Sarah gave a great seminar on the hypothalamic mechanism of reversible anorexia during hibernation at today’s Neuroscience RIP!

Shade gives a talk at Yale WTI

Congrats to Shade, a Wu Tsai Fellow, on giving her first talk at Yale WTI!

Current Biology

Maddy and Jenny’s paper on the neural control of fluid homeostasis during hibernation is out in Current Biology!

Junkins MS*, Feng NY*, Murphy LA, Curtis G, Merriman DK, Bagriantsev SN, Gracheva EO. Neural control of fluid homeostasis is engaged below 10°C in hibernation. Current Biology 2024, 34, 1-8.

Haoran defends thesis prospectus

Congrats to Haoran on the excellent defense of her thesis prospectus!

Yury, Luke and Rebecca’s talks at Keystone Somatosensation, Santa Fe

Congrats to Rebecca, Yury and Luke for their outstanding talks at the 2024 Keystone: Mammalian Somatosensation Conference in Santa Fe, NM!

YuryRebeccaLukeHuge thanks to the organizers (Ishmail Abdus-Saboor, Diana Bautista, Rebecca Seal) for the opportunity to present our lab’s work!

Merry Christmas and Happy 2024 Year!

Jiawen passes quals

Congratulations to Jiawen on successfully passing her qualifying exam!

Ke’s talk at INP RIP

Ke gave a wonderful seminar on sensory physiology of tactile specialist fish at INP RIP seminar!

Yury’s seminar at Zeiss event

Yury gave a seminar at the ZEISS workshop on advanced Arivis analysis tool, sharing his experience with mastering FIB-SEM data segmentation from the recent paper.

Rafael’s talk at Proxima Symposium in Brazil

Rafael went to Porto Alegre, Brazil, to give a talk on hibernation at Proxima Symposium!

Physiology Retreat 2023-II

A second Physiology retreat this year!

Retreat Logo by Ke:

Rebecca’s talk:Poster Winners: Luke, Mai, Jiawen – congrats!

Thank you, Organizing Committee: Aki, Rafael, Qi, Amit, Jiawen, Ke and Marco:
Yale Physiology Department, 2023-11 edition:
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