P.J.
Hansen Home Page
PJ
Hansen Main Page
Animal Sciences Home Page
University of Florida
RECENT PUBLICATIONS
(1997-present)
If you wish a copy of
one of these papers, contact Pete Hansen
2005 2004 2003 2002 2001 2000 1999 1998 1997
Hansen, P.J., and Tekin, S. (2005)
Pregnancy-associated immunoregulatory molecules discovered in ruminants and
their possible relevance to other species.
Chem. Immunol. Allergy 88, 109-116 (Immunology of
Gametes and Embryo Implantation, U.Markert (ed), Karger, Basel, pp.
109-116).
Padua, M.B., Tekin. S., Spencer, T.E.,
and Hansen, P.J. (2005) Actions of progesterone on uterine immunosuppression
and endometrial gland development in the uterine gland knockout (UGKO)
ewe. Mol.
Reprod. Dev. 71, 347-357.
Jousan, F.D., Drost, M., and
Hansen, P.J. (2005) Factors associated with early and mid-to-late fetal loss in
lactating and non-lactating Holstein cattle in
a hot climate. J. Anim. Sci., 83, 1017-1022.
Tekin, S, Padua,
M.B., and Hansen, P.J. (2005) Antiproliferative and embryo-inhibitory actions
of ovine uterine serpin. Am. J. Reprod. Immunol. 53, 136-143.
Roth, Z., and Hansen, P.J. (2005) Disruption of nuclear
maturation and rearrangement of cytoskeletal elements in bovine oocytes exposed
to heat shock during maturation. Reproduction, 219, 235-244.
Tekin, S., Padua, M.B., Newton, G.R., and Hansen, P.J.
Identification and cloning of caprine uterine serpin. Mol. Reprod. Dev. 70, 262-270.
Roth, Z., and Hansen, P.J. (2004)
Involvement of apoptosis in disruption of oocyte competence by heat shock in
cattle. Biol. Reprod. 71, 1898-1906.
Roth, Z., and Hansen, P.J. (2004) Sphingosine 1-phosphate
protects bovine oocytes from heat shock during maturation. Biol. Reprod. 71, 2072-2078.
Jousan, F.D., and Hansen, P.J. (2004) Insulin-like growth
factor-I as a survival factor for the bovine preimplantation embryo exposed to
heat shock. Biol. Reprod. 71,
1665-1650.
Kamaruddin, M., Kroetsch, T., Basrur, P.K., Hansen, P.J.,
and King, W.A. (2004) Immunolocalization of heat shock protein 70 in bovine
spermatozoa. Andrologia 36, 327-334.
Hansen, P.J. (2004) Physiological and cellular adaptations
of zebu cattle to thermal stress. Anim.
Reprod. Sci. 82-83, 349-360
Rivera, R.M., Dahlgren, G.M., Kennedy, de Castro e Paula,
L.A., Kennedy, R.T., and Hansen, P.J. (2004) Actions of thermal stress in
two-cell bovine embryos: oxygen metabolism, glutathione and ATP content, and
the time-course of development. Reproduction,
128, 33-42.
Rivera, R.M., Kelley, K.L.,
Erdos, G.W., and Hansen, P.J. (2004) Reorganization of microtubules and
microfilaments by thermal stress in two-cell bovine embryos. Biol.
Reprod., 70, 1852-1862.
Hansen, P.J., Soto, P., and
Natzke, R.P. (2004) Mastitis and fertility in cattle - possible involvement of
inflammation or immune activation in embryonic mortality. Am. J.
Reprod. Immunol. 51, 294-304.
McGlothin, J.M., Lester, G., Hansen, P.J., Thomas,
M., Pablo, L., Hawkins, D., and LeBlanc, M.M. (2004) Alterations in uterine
contractility in mares with experimentally induced placentitis. Reproduction
127, 57-66.
Tekin, S.,
and Hansen, P.J. (2004) Regulation of numbers of macrophages in the endometrium
of the sheep by systemic effects of pregnancy, local presence of the conceptus,
and progesterone. Am. J. Reprod. Immunol. 51, 56-62.
Hernández-Cerón, J., Chase, C.C. Jr, and Hansen,
P.J. (2004) Differences in heat tolerance between preimplantation embryos from
Brahman, Romosinuano, and Angus Breeds. J.
Dairy Sci., 87, 53-58.
Hansen, P.J., and Block, J. (2004) Towards an
embryocentric world: the current and
potential uses of embryo technologies in dairy production. Reprod.
Fertil. Dev. 16, 1-14.
Soto, P., Natzke, R.P., and Hansen, P.J. (2003) Role of prostaglandins in the
development of hyperthermia in heat-stressed, lactating Holstein cows. J. Vet. Pharmacol. Ther. 26, 435-437.
Rivera, R.M., Kelley, K.L., Erdos, G.W., and
Hansen, P.J. (2003) Alterations in ultrastructural morphology of two-cell
bovine embryos produced in vitro and in vivo following a
physiologically-relevant heat shock. Biol.
Reprod. 69, 2068-2077.
Soto, P., Natzke, R.P., and Hansen, P.J. (2003) Actions of tumor necrosis
factor-α on oocyte maturation and embryonic development in cattle. Am. J. Reprod. Immunol., 50, 380-388.
Soto, P., Natzke, R.P., and Hansen, P.J. (2003) Identification of possible mediators
of embryonic mortality caused by mastitis:
Actions of lipopolysaccharide, prostaglandin F2 , and the
nitric oxide generator, sodium nitroprusside dihydrate, on oocyte maturation
and embryonic development in cattle. Am. J. Reprod. Immunol. 50, 263-272.
Paula-Lopes, F.F., Al-Katanani, Y.M., Majewski,
A.C., McDowell, L.R., and Hansen, P.J.
(2003) Manipulation of antioxidant status fails to improve fertility of
lactating cows or survival of heat-shocked embryos. J. Dairy Sci. 86: 2343-2351.
Block, J., Drost, M., Monson, R.L., Rutledge, J.J.,
Rivera, R.M., Paula-Lopes, F.F., Ocon, O.M., Krininger, C.E. III, Liu, J., and Hansen, P.J. (2003) Use of
insulin-like growth factor-1 during embryo culture and treatment of recipients
with GnRH to increase pregnancy rates following the transfer of in vitro
produced embryos to heat-stressed, lactating cows. J. Anim. Sci. 81: 1590-1602.
Krininger III,
C.E., Block, J., Al-Katanani, Y.M., Rivera, R.M., Chase, C.C., Jr., and Hansen,
P.J. (2003) Differences between Brahman and Holstein cows in response to
estrous synchronization, superovulation and resistance of embryos to heat
shock. Anim. Reprod. Sci., 78,
13-24.
Ocon, O.M., and Hansen, P.J. (2003) Disruption of
bovine oocytes and preimplantation embryos by urea and acidic pH. J. Dairy Sci. 86, 1194-1200.
Paula-Lopes, F.F., Chase, C.C., Jr., Al-Katanani,
Y.M., Krininger, C.E. III, Rivera,
R.M., Tekin, S., Majewski, A.C., Ocon, O.M., Olson, T.A., and Hansen, P.J.
(2003) Genetic divergence in cellular resistance to heat shock in cattle:
Differences between breeds developed in temperate versus hot climates in
responses of preimplantation embryos, reproductive tract tissues and
lymphocytes to increased culture temperatures. Reproduction
125, 285-294.
Tekin, S., and Hansen, P.J. (2003)
Lymphocyte-mediated lysis of sheep chorion: susceptibility of chorionic cells to
third-party and maternal cytotoxic lymphocytes and presence of cells in the
endometrium exhibiting cytotoxicity toward natural-killer cell targets. Theriogenology 59, 787-800.
Velasquez-Pereira, J., Aréchiga, C.F., McDowell,
L.R., Hansen, P.J., Chenoweth, P.J., Calhoun, M.C., Risco, C.A., Batra, T.R.,
Williams, S.N., and Wilkinson, N.S. (2002) Effects of gossypol from cottonseed
meal and dietary vitamin E on the reproductive characteristics of superovulated
beef heifers. J. Anim. Sci. 80,
2485-2492.
Krininger, C.E. III,
Stephens, S.H., and Hansen, P.J. (2002)
Developmental changes in inhibitory effects of arsenic and heat shock on growth
of preimplantation bovine embryos. Mol.
Reprod. Dev. 63:335-340.
Tekin, S., and
Hansen, P.J. (2002) Natural-killer like cells in the sheep: Functional characterization
and regulation by pregnancy-associated proteins. Exp. Biol. Med. 227, 803-811.
Majewski, A.C., and Hansen, P.J. (2002)
Progesterone promotes survival of xenogeneic transplants in the sheep uterus. Hormone
Res. 58, 128-135.
von Reitzenstein, M., Callahan, M.A., Hansen, P.J.,
and LeBlanc, M.M. (2002) Aberrations in uterine contractile patterns in mares
with delayed uterine clearance after administration of detomidine and
oxytocin. Theriogenology, 58,
887-898.
Block, J., Chase, C.C., Jr., and Hansen, P.J. (2002)
Inheritance of resistance of bovine preimplantation embryos to heat shock:
relative importance of the maternal vs paternal contribution. Mol. Reprod. Dev.63, 32-37.
Al-Katanani, Y.M., Drost, M., Monson, R.L.,
Rutledge, J.J., Krininger III,
C.E., Block, J., Thatcher, W.W., and Hansen, P.J. (2002) Pregnancy rates
following timed embryo transfer with fresh or vitrified in vitro produced
embryos in lactating dairy cows under heat stress conditions. Theriogenology 58, 171-182.
Paula-Lopes, F.F., and Hansen, P.J. (2002) Apoptosis is an
adaptive response in bovine preimplantation embryos that facilitates survival
after heat shock. Biochem. Biophys.
Res. Commun. 295, 37-42.
Al-Katanani, Y.M., and Hansen, P.J. (2002) Induced thermotolerance in bovine two-cell
embryos and the role of heat shock protein 70 in embryonic development. Mol. Reprod. Dev. 64, 174-180.
Hansen, P.J.
(2002) Embryonic mortality in cattle from the
embryo’s perspective. J. Anim. Sci. 80 (E. Suppl. 2):
E33-E44.
Paula-Lopes, F.F., and Hansen, P.J. (2002)
Heat-shock induced apoptosis in preimplantation bovine embryos is a
developmentally-regulated phenomenon. Biol.
Reprod., 66, 1169-1177.
Al-Katanani, Y.M., Rivera, R.M., and Hansen, P.J.
(2002) Seasonal variation in development of in vitro produced bovine
embryos. Vet. Rec., 150,
486-487.
Moreira, F., Paula-Lopes, F.F., Hansen, P.J.,
Badinga, L., and Thatcher, W.W. (2002) Effects of growth hormone and
insulin-like growth factor-I on development of in vitro derived bovine
embryos. Theriogenology 57,
897-905.
Al-Katanani, Y.M., Paula-Lopes, F.F., and Hansen,
P.J. (2002) Effect of season and
exposure to heat stress on oocyte competence in Holstein
cows. J. Dairy Sci. 85,
390-396.
Peltier, M.R., and Hansen, P.J. (2001) Immunoregulatory
activity, biochemistry, and phylogeny of ovine uterine serpin. Am. J.
Reprod. Immunol 45, 266-272.
Majewski,
A.C., Tekin, S., and Hansen, P.J. (2001) Local versus systemic control of
numbers of endometrial T cells during pregnancy in sheep. Immunology
102, 317-322.
Hansen,
P.J., Drost, M., Rivera, R.M., Paula-Lopes, F.F., Al-Katanani, Y.M., Krininger III, C.E., and Chase, C.C., Jr. (2001) Adverse
impact of heat stress on embryo production: Causes and strategies for
mitigation. Theriogenology 55, 91-103.
Rivera,
R.M., and Hansen, P.J. (2001) Development of cultured bovine embryos after
exposure to increased temperatures in the physiological range. Reproduction 121, 107-115.
Peltier, M.R., Grant, T.R., and Hansen, P.J. (2000)
Distinct physical and structural properties of the ovine uterine serpin. Biochim. Biophys. Acta, 1479,
37-51.
Rivera, R.M., Al-Katanani, Y.M., Paula-Lopes, F.F.,
and Hansen, P.J. (2000) Short communication: Seasonal effects on development of
bovine embryos produced by in vitro fertilization in a hot environment. J. Dairy Sci.83, 305-307.
Tekin, S., Ealy, A.D., Wang, S.-Z., and Hansen, P.J.
(2000) Differences in lymphocyte- regulatory activity among variants of ovine
interferon-t. J. Interferon Cytokine Res. 20, 1001-1005.
Peltier, M.R., Raley, L.C., Liberles, D.A., Benner,
S.A., and Hansen, P.J. (2000) Evolutionary history of the uterine serpins. J. Exp. Zool. 288, 165-174.
Peltier,
M.R., Liu, W.-J., and Hansen, P.J. (2000) Regulation of lymphocyte
proliferation by uterine serpin: interleukin-2 mRNA production, CD25 expression and responsiveness to
interleukin-2. Proc. Soc. Exp. Biol.
Med. 223, 75-81.
Paula-Lopes, F.F., de Moraes, A.A.S., and Hansen, P.J.
(1999) Presence of interleukin-1 in the bovine reproductive tract. J.
Interferon Cytokine Res.19, 279-285.
Hansen,
P.J. and Aréchiga, C.F. (1999) Strategies for managing reproduction in the
heat-stressed dairy cow. J. Anim. Sci. 77 (Suppl. 2),
36-50 (also J. Dairy Sci. 82 (Suppl. 2): 36-50.
Liu,
W.-J., Peltier, M.R., and Hansen, P.J. (1999) Binding of ovine uterine serpin
to lymphocytes. Am. J. Reprod. Immunol.41, 428-432.
Ambrose, J.D., Drost, M., Monson, R.L., Rutledge, J.J., Leibfried-Rutledge,
M.L., Thatcher, M.-J., Kassa, T., Binelli, M., Hansen, P.J., Chenoweth, P.J.,
and Thatcher, W.W. (1999) Efficacy of timed embryo transfer with fresh
and frozen in vitro produced embryos to increase pregnancy rates in heat-stressed
dairy cattle. J. Dairy Sci.82, 2369-2376.
Al-Katanani, Y.M., Webb, D.W., and Hansen, P.J. (1999)
Factors affecting seasonal variation in 90 day non-return rate to first service
in lactating Holstein cows in a hot
climate. J. Dairy Sci.82, 2611-2615.
Chandolia, R.K., Reinertsen, E.M., and Hansen, P.J.
(1999) Short communication: Lack of breed differences in responses of bovine
spermatozoa to heat shock. J. Dairy Sci.82, 2617-2619.
Chandolia,
R.K., Peltier, M.R., Tian, W., and Hansen, P.J. (1999) Transcriptional control
of development, protein synthesis, and heat-induced heat shock protein 70
synthesis in 2-cell bovine embryos. Biol. Reprod.61, 1644-1648.
Hansen,
P.J. (1999) Possible roles for heat shock protein 70 and glutathione in
protection of the mammalian preimplantation embryo from heat shock. Ann.
Rev. Biomed. Sci.1, 5-29.
Hansen, P.J. (1998) Regulation of uterine immune function
by progesterone - lessons from the sheep. J. Reprod. Immunol. 40,
63-79.
Tysseling,
K.A., Thatcher, W.W., Bazer, F.W., Hansen, P.J., and Mirando, M.A. (1998)
Mechanisms regulating prostaglandin F2a secretion from the bovine endometrium. J. Dairy Sci. 81, 382-389.
Paula-Lopes,
F.F., de Moraes, A.A.S., Edwards, J.L., Justice, J.E., and Hansen, P.J. (1998)
Regulation of preimplantation development of bovine embryos by
interleukin-1. Biol. Reprod. 59, 1406-1412.
Trout, J.P., McDowell, L.R., and Hansen, P.J.
(1998) Characteristics of the estrous cycle and antioxidant status in lactating
Holstein cows exposed to heat stress. J. Dairy Sci., 81, 1244-1250.
Aréchiga, C.F., Vázquez-Flores, S., Ortíz O.,
Hernández-Cerón, J., Porras, A., McDowell, L.R., and Hansen, P.J. (1998) Effect
of injection of β-carotene or vitamin E and selenium on fertility of
lactating dairy cows. Theriogenology,
50, 65-76.
Aréchiga, C. F., Staples, C.R., McDowell, L.R. and
Hansen, P.J. (1998) Effects of timed insemination and supplemental
β-carotene on reproduction and milk
yield of dairy cows under heat stress. J. Dairy Sci 81,
390-402.
Aréchiga, C.F., and Hansen, P.J. (1998) Response of
preimplantation murine embryos to heat shock as modified by developmental stage
and glutathione. In Vitro Dev. Cell.
Biol. Anim. 34, 655-659.
Hansen, P.J. (1997) Interactions between the immune system
and the bovine conceptus. Theriogenology, 47, 121-130.
Edwards,
J.L., and Hansen, P.J. (1997) Differential responses of bovine oocytes and
preimplantation embryos to heat shock. Mol. Reprod. Dev.46,
138-145.
Liu, W.-J., Gottshall, S.L., and Hansen, P.J. (1997) Increased expression of
cell surface markers on endometrial T-cell receptor+ intraepithelial
lymphocytes induced by the local presence of the sheep conceptus. Am.
J. Reprod. Immunol. 37, 199-205.
de
Moraes, A.A.S., Davidson J.A., Fleming J.G.W., Bazer, F.W., Edwards J.L., Betts
J.G., and Hansen, P.J. (1997) Lack of effect of granulocyte-macrophage
colony-stimulating factor on secretion of interferon-, other proteins and
prostaglandin E2 by the bovine and ovine conceptus. Dom.
Anim. Endocrinol.14, 193-197.
Edwards,
J.L., Ealy, A.D., Monterroso, V.H., and Hansen, P.J. (1997) Ontogeny of
temperature-regulated heat shock protein 70 synthesis in preimplantation bovine
embryos, Mol. Reprod. Dev., 48, 25-33.
Brocas,
C., Rivera, R.M., Paula-Lopes, F.F., McDowell, L.R., Calhoun, Staples, C.R.,
Wilkinson, N.S., Boning, A.J., Chenoweth, P.J. and Hansen, P.J. (1997)
Deleterious actions of gossypol on bovine spermatozoa, oocytes and
embryos. Biol. Reprod.57, 901-907.
de
Moraes, A.A.S., and Hansen, P.J. (1997) Granulocyte-macrophage
colony-stimulating factor promotes development of in vitro produced bovine
embryos. Biol. Reprod.57, 1060-1065.
Hansen,
P.J. Effects of environment on bovine reproduction. (1997) In: Current
Therapy in Large Animal Theriogenology, R.S. Youngquist, eds., W.B.
Saunders, Philadelphia, pp 403-415.
Hansen,
P.J. and Liu, W.-J. (1997) Biology of progesterone-induced uterine serpins.
In: Serpins, F.C. Church, D.D. Cunningham, D. Ginsburg, M. Hoffman,
S.R. Stone, and D.M. Tollefsen, eds., Plenum, New York, pp 143-154 (Adv.
Exp. Med. Biol.425, 143-154).
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hansen@animal.ufl.edu
http://www.animal.ufl.edu/hansen
Site created: March 12, 1999
Last updated: October
19, 2005
Original material © Peter J. Hansen
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