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Peter J. Hansen

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Peter J. Hansen
PJ_Hansen,_University_of_Florida.jpg
Born(1956-11-23)November 23, 1956
Oak Park, Illinois
🏳️ NationalityUnited States
🎓 Alma materUniversity of Wisconsin–Madison University of Illinois at Urbana–Champaign
💼 Occupation

Peter J Hansen is an American animal scientist who serves as distinguished professor and L.E. "Red" Professor of Animal Sciences in the Department of Animal Sciences at University of Florida.

Education[edit]

Peter J. Hansen was born and raised in Oak Park, Illinois. He attended Ascension Catholic Grade School and Oak Park and River Forest High School, from which he graduated in 1974. He received the B.S. degree in Agricultural Sciences from University of Illinois at Urbana–Champaign in 1974, and the M.S. and Ph.D. degrees from University of Wisconsin–Madison in 1980 and 1983, respectively. His doctoral research focused on regulation of reproduction by photoperiod in cattle. After a postdoc at the University of Florida with R. Michael Roberts and Fuller W. Bazer, Hansen joined the faculty at Florida in 1984. Initially in the College of Veterinary Medicine, he transferred to Dairy Science (now Animal Sciences) in 1986 to take a position with a focus on environmental effects on reproduction. A sabbatical at the Ontario Veterinary College with W. Allan King provided him with the tools to study the preimplantation embryo in culture.[1]

Research[edit]

Hansen's interest in livestock species started early in life while staying with relatives in County Wexford Ireland. He first did research while an undergraduate in the Dept. of Dairy Science at the University of Illinois under the tutelage of Charles E. Graves. His doctoral research focused on regulation of reproduction by photoperiod in cattle and mice[2]. Postdoctoral work with Roberts and Bazer kindled a love for understanding the establishment and maintenance of pregnancy, which subsequently became a career-long research interest. Among the most notable achievements as a faculty member at Florida has been identifying embryokines (see embryokine) that regulate development of the preimplantation embryo[3], demonstrating sex-dependent developmental programming during the preimplantation period[4], understanding how elevated temperature compromises reproduction[5], development of embryo transfer to increase pregnancy rate in heat-stressed cows[6], demonstration of the importance of the slick mutation in the prolactin receptor gene for increasing thermotolerance of cattle[7], and characterization of mechanisms for inhibition of uterine immune function by progesterone[8].

Notable Awards[edit]

Hansen was the recipient of the highest awards given by the American Society of Reproductive Immunology and American Dairy Science Association. He is a Fellow of the American Association for the Advancement of Science (2007), American Dairy Science Association (2009) and American Society of Animal Science (2018).

Personal Life[edit]

Hansen married his wife, Nancy, while in graduate school in 1980. They have one child, Meghan, who received her PhD from [Illinois Institute of Technology]] and is a clinical psychologist.

References[edit]


This article "Peter J Hansen" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:Peter J Hansen. Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one.

  1. "PJ Hansen Website".
  2. "PJ Hansen Dissertation".
  3. Hansen PJ, Dobbs KB, Denicol AC (September 2014). "Programming of the preimplantation embryo by the embryokine colony stimulating factor 2". Anim Reprod Sci. 149 (1–2): 59–66. doi:10.1016/j.anireprosci.2014.05.017. PMID 24954585.
  4. Hansen PJ, Dobbs KB, Denicol AC, Siqueira LG (January 2016). "Sex and the preimplantation embryo: implications of sexual dimorphism in the preimplantation period for maternal programming of embryonic development". Cell Tiss Res. 363 (1): 237–47. doi:10.1007/s00441-015-2287-4. PMID 26391275.
  5. Hansen PJ (November 2009). "Effects of heat stress on mammalian reproduction". Philos Trans R Soc Biol Sci. 364 (1534): 3341–50. doi:10.1098/rstb.2009.0131. PMID 19833646.
  6. Hansen PJ (September 2007). "Exploitation of genetic and physiological determinants of embryonic resistance to elevated temperature to improve embryonic survival in dairy cattle during heat stress". Theriogenology. 68 (Suppl 1): S242–49. PMID 17482669.
  7. Dikmen SD, Khan FA, Huson HJ, Sonstegard TS, Moss JI, Dahl GE, Hansen PJ (September 2014). "The SLICK hair locus derived from Senepol cattle confers thermotolerance to intensively managed lactating Holstein cows". J Dairy Sci. 97 (9): 5508–20. doi:10.3168/jds.2014-8087. PMID 24996281.
  8. Hansen PJ (January 1998). "Regulation of uterine immune function by progesterone--lessons from the sheep". J Reprod Immunol. 40 (1): 63–79. PMID 9862257.