Ricardo Felmer
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Explore the profile of Ricardo Felmer including associated specialties, affiliations and a list of published articles.
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32
Citations
203
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Recent Articles
11.
Aguila L, Osycka-Salut C, Treulen F, Felmer R
Animals (Basel)
. 2022 Apr;
12(8).
PMID: 35454256
Early development in mammals is characterized by the ability of each cell to produce a complete organism plus the extraembryonic, or placental, cells, defined as pluripotency. During subsequent development, pluripotency...
12.
Activation of bovine oocytes by protein synthesis inhibitors: new findings on the role of MPF/MAPKs†
Valencia C, Perez F, Matus C, Felmer R, Arias M
Biol Reprod
. 2021 Feb;
104(5):1126-1138.
PMID: 33550378
The present study evaluated the mechanism by which protein synthesis inhibitors activate bovine oocytes. The aim was to analyze the dynamics of MPF and MAPKs. MII oocytes were activated with...
13.
Aguila L, Treulen F, Therrien J, Felmer R, Valdivia M, Smith L
Animals (Basel)
. 2020 Dec;
10(12).
PMID: 33255250
The efficiency of producing embryos using in vitro technologies in livestock species rarely exceeds the 30-40% threshold, indicating that the proportion of oocytes that fail to develop after in vitro...
14.
Treulen F, Aguila L, Arias M, Jofre I, Felmer R
Anim Reprod Sci
. 2020 Aug;
221:106570.
PMID: 32861120
In vitro manipulation of spermatozoa leads to deleterious changes of structure and function that occur mainly due to oxidative stress, therefore, prevention or treatment is a strategy to improve the...
15.
Contreras M, Treulen F, Arias M, Silva M, Fuentes F, Cabrera P, et al.
Reprod Domest Anim
. 2019 Dec;
55(2):229-239.
PMID: 31868975
Cryopreservation of stallion semen has not reached the level of efficiency and positive results described in other species. This is mainly due to the greater sensitivity of stallion sperm to...
16.
Treulen F, Aguila L, Arias M, Jofre I, Felmer R
Anim Reprod Sci
. 2018 Dec;
201:71-83.
PMID: 30591234
During cryopreservation procedures, the spermatozoa are exposed to physical and chemical stressors that generate an increase in the intracellular concentration of reactive oxygen species (ROS). If ROS concentrations are too...
17.
Arroyo-Salvo C, Sanhueza F, Fuentes F, Treulen F, Arias M, Cabrera P, et al.
Reprod Domest Anim
. 2018 Sep;
54(2):184-194.
PMID: 30179285
Conventional in vitro fertilization has not yet been implemented in the equine species. One of the main reasons has been the inability to develop a culture medium and incubation conditions...
18.
Sanchez-Villalba E, Arias M, Loren P, Fuentes F, Pereyra-Bonnet F, Salamone D, et al.
Anim Reprod Sci
. 2018 Jul;
196:130-137.
PMID: 30033189
The ICSI-sperm mediated gene transfer (ICSI-SMGT) has been used to produce transgenic mice with high efficiency; however, the efficiency of this technique in farm animals is still less than desirable....
19.
Treulen F, Arias M, Aguila L, Uribe P, Felmer R
Cryobiology
. 2018 Jun;
83:65-74.
PMID: 29864412
When the mitochondria of somatic cells are exposed to pathological calcium overload, these trigger mitochondrial permeability transition (MPT) leading to mitochondrial dysfunction and cell death. Cryopreservation procedures expose mammalian spermatozoa...
20.
Canel N, Suva M, Bevacqua R, Arias M, Felmer R, Salamone D
Theriogenology
. 2018 May;
117:26-33.
PMID: 29807255
In contrast to other species, intracytoplasmic sperm injection (ICSI) in bovine remains inefficient, resulting in low embryo developmental rates. It is unclear whether such inefficiency is due to the poor...