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Pépin Laboratory

Pediatric Surgical Research Laboratories
Massachusetts General Hospital
Harvard Medical School
Exploring reproductive development and Women's health

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Pépin Laboratory

  • The team
  • The research
  • Past members
  • Collaborators
  • News
  • Contact
Karine-de-Mattos-CV.2024.jpg

Karine de Mattos, DVM, PhD

Research Fellow


Karine is a veterinarian with a Master’s degree in Animal Science from Universidade Federal do Rio Grande do Sul (UFRGS, Brazil), where she specialized in in vitro fertilization. She earned her PhD in Molecular Medicine in 2024 at Université Laval in the beautiful Québec city (Canada), under the supervision of Dr. Jacques J. Tremblay. Her doctoral research focused on the molecular mechanisms of MEF2 transcription factors in testicular Leydig cells. Since January 2025, she shares her expertise in reproductive biology and molecular endocrinology with members of the Pépin lab.


Project: “Single injection of AAV9 Mullerian Inhibiting Substance as an ideal permanent contraceptive” (The Michelson Found Animals Foundation).

Karine de Mattos, DVM, PhD

Research Fellow


Karine is a veterinarian with a Master’s degree in Animal Science from Universidade Federal do Rio Grande do Sul (UFRGS, Brazil), where she specialized in in vitro fertilization. She earned her PhD in Molecular Medicine in 2024 at Université Laval in the beautiful Québec city (Canada), under the supervision of Dr. Jacques J. Tremblay. Her doctoral research focused on the molecular mechanisms of MEF2 transcription factors in testicular Leydig cells. Since January 2025, she shares her expertise in reproductive biology and molecular endocrinology with members of the Pépin lab.


Project: “Single injection of AAV9 Mullerian Inhibiting Substance as an ideal permanent contraceptive” (The Michelson Found Animals Foundation).

Karine-de-Mattos-CV.2024.jpg