Peter James Hansen
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Explore the profile of Peter James Hansen including associated specialties, affiliations and a list of published articles.
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7
Citations
42
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Recent Articles
1.
Cuellar C, Ismail E, Haimon M, Haimon M, Hoorn Q, Yu F, et al.
Physiol Genomics
. 2025 Feb;
57(4):256-265.
PMID: 39998448
Serum is commonly added to culture medium to improve the production of bovine embryos in vitro. The main goals were to verify the actions of serum to increase blastocyst yield...
2.
Maldonado M, Rabaglino M, Cannon G, Hansen P
Biol Reprod
. 2025 Jan;
PMID: 39869817
Optimal embryonic development depends upon cell-signaling molecules released by the maternal reproductive tract called embryokines. Identity of specific embryokines that enhance competence of the embryo for sustained survival is largely...
3.
Hansen P
Anim Reprod
. 2024 Sep;
21(3):e20240036.
PMID: 39286365
Embryo transfer in cattle is an increasingly important technique for cattle production. Full attainment of the benefits of the technology will depend on overcoming hurdles to optimal performance using embryos...
4.
Rivera R, Goldkamp A, Patel B, Hagen D, Soto-Moreno E, Li Y, et al.
Sci Rep
. 2022 Jun;
12(1):10540.
PMID: 35732675
In vitro production (IVP) of embryos in cattle can result in large/abnormal offspring syndrome (LOS/AOS) which is characterized by macrosomia. LOS can cause dystocia and lead to the death of...
5.
Li Y, Tribulo P, Bakhtiarizadeh M, Siqueira L, Ji T, Rivera R, et al.
J Assist Reprod Genet
. 2019 Dec;
37(2):417-426.
PMID: 31838628
Purpose: We tested whether in vitro production (IVP) causes changes in DNA methylation in fetal liver and skeletal muscle and if exposure of cultured embryos to colony-stimulating factor 2 (CSF2)...
6.
Moss J, Pontes E, Hansen P
Arch Toxicol
. 2009 Jul;
83(11):1001-7.
PMID: 19593550
Menadione is a naphthoquinone used as a vitamin K source in animal feed that can generate reactive oxygen species (ROS) and cause apoptosis. Here, we examined whether menadione reduces development...
7.
Hendricks K, Martins L, Hansen P
J Reprod Dev
. 2008 Oct;
55(1):69-74.
PMID: 18957823
The objective was to determine whether aging of sperm caused by incubation at normothermic (38.5 C) or heat shock (40 C) temperatures for 4 h prior to oocyte insemination affects...
8.
Jousan F, de Castro E Paula L, Brad A, Roth Z, Hansen P
J Reprod Dev
. 2008 Feb;
54(3):217-20.
PMID: 18277054
The occurrence of apoptosis in a fraction of blastomeres in the preimplantation embryo is well known but the consequences of this phenomenon for the developmental potential of the blastocyst has...
9.
Loureiro B, Brad A, Hansen P
Reproduction
. 2007 Jul;
133(6):1129-37.
PMID: 17636167
Heat shock and tumor necrosis factor-alpha (TNF-alpha) induce apoptosis through different mechanisms, with heat shock acting to cause mitochondrial depolarization and caspase-9 activation, while TNF-alpha acts through a receptor-mediated process...