Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Alfredo, Medrano"'
Autor:
Uriel Ángel Sánchez-Rivera, Norma Berenice Cruz-Cano, Alfredo Medrano, Carmen Álvarez-Rodríguez, Martín Martínez-Torres
Publikováno v:
Animals, Vol 14, Iss 9, p 1388 (2024)
Sperm capacitation involves biochemical and physiological changes that enable sperm to fertilize the oocyte. It can be induced in vitro under controlled conditions that simulate the environment of the oviduct. While extensively studied in mammals, it
Externí odkaz:
https://doaj.org/article/3987131d2a9a41fba3e97184ba3ee307
Autor:
Victoria Mazoteras-Pardo, Marta Elena Losa-Iglesias, Israel Casado-Hernández, César Calvo-Lobo, Ángel Morales-Ponce, Alfredo Medrano-Soriano, Sergio Coco-Villanueva, Ricardo Becerro-de-Bengoa-Vallejo
Publikováno v:
PeerJ, Vol 11, p e15298 (2023)
Background One of the measures for controlling the coronavirus disease 2019 (COVID-19) pandemic was the mass closure of gyms. This measure leads us to determine the differences between indoor and outdoor air quality. That is why the objective of this
Externí odkaz:
https://doaj.org/article/7616dfb0128d4f57a11888d3f02fe631
Autor:
Norma Hernández-Jardón, Julio César Rojas-Castañeda, Daniel Landero-Huerta, Estefanía Reyes-Cruz, Rafael Reynoso-Robles, María del Lourdes Juárez-Mosqueda, Alfredo Medrano, Fausto Reyes-Delgado, Rosa María Vigueras-Villaseñor
Publikováno v:
Frontiers in Veterinary Science, Vol 9 (2022)
Cryptorchidism (CO) or undescended testicle is an abnormality of male gonadal development that can generate long-term repercussions in men, such as infertility and germ cell neoplasia in situ (GCNIS). The origin of these alterations in humans is not
Externí odkaz:
https://doaj.org/article/ae6a75ac2f0743709b606cdc5a8f83a8
Autor:
Rosario Santiago-Rodriguez, Alma L Alvarez-Guerrero, Fernando Garcia-Gonzalez, Alicia Alcantar-Rodriguez, Alfredo Medrano
Publikováno v:
Asian Pacific Journal of Reproduction, Vol 10, Iss 2, Pp 90-96 (2021)
Objective: To evaluate the effect of human chorionic gonadotropins (hCG) and equine chorionic gonadotropins (eCG) on in vitro gilt oocyte maturation and embryonic development, using frozen semen for fertilization. Methods: Two independent experiments
Externí odkaz:
https://doaj.org/article/3b7764551442456790e7d502b54b6e27
Autor:
Martínez-Jiménez, Israel Casado-Hernández, Ricardo Becerro-de-Bengoa-Vallejo, Marta Elena Losa-Iglesias, Alfredo Medrano-Soriano, Daniel López-López, Emmanuel Navarro-Flores, Eduardo Pérez Boal, Eva María
Publikováno v:
Bioengineering; Volume 10; Issue 7; Pages: 816
Background: Hard insoles have been proposed to decrease plantar pressure and prevent foot pain and paresthesia due to repetitive loading. The aim of this research was to analyze the effect of three different hard insoles in cycling on healthy subject
Publikováno v:
Asian Pacific Journal of Reproduction, Vol 6, Iss 6, Pp 241-246 (2017)
The role of melatonin on sperm function as well as its use as antioxidant for sperm conservation is analysed in this review. Melatonin has been included in the cooling/freezing media for the conservation of spermatozoa. Depending on the animal specie
Externí odkaz:
https://doaj.org/article/cf78dad192cb44a4bf040462121d1682
Publikováno v:
Asian Pacific Journal of Reproduction, Vol 5, Iss 1, Pp 63-66 (2016)
Objective: To compare different cooling temperatures before ice formation on pig sperm quality, before and after cryopreservation. Methods: Semen diluted in BF5 was cooled from 23 °C to 5 °C (1% glycerol, 200 × 106 cells/mL). Sperm were packaged i
Externí odkaz:
https://doaj.org/article/3471c273c04b4a108c410f60bfe019e5
Autor:
José Alfredo Medrano Vázquez
Publikováno v:
Realidades Educativas Entrelazadas.
En este trabajo se presentan las experiencias del autor como docente de la asignatura de programación intermedia en una universidad pública mexicana durante el confinamiento por COVID-19. Se exponen situaciones y reflexiones sobre los contenidos, l
Autor:
Shirley del Carmen Ponce Blas, Graylin Ruíz Contreras, Luis Alfredo Medrano Vega, Germán Rossani Alatrista
Publikováno v:
Revista de la Facultad de Medicina Humana, Vol 19, Iss 3, Pp 107-108 (2019)
The incidence of schizophrenia in developed and considered developing countries ranges from 7 - 14% per 100,000 inhabitants, according to reports to 2019 of the World Health Organization (WHO). Schizophrenia is one of the most serious mental illness
Externí odkaz:
https://doaj.org/article/d970df7c6cfa450ba604675481080629
Autor:
Julio A Martinez-Rodriguez, Alicia Alcantar-Rodriguez, Francisco J. Carbajal, Rocio Martinez-De-Anda, Alfredo Medrano
Publikováno v:
Reproduction & Fertility
Cryopreservation compromises the capacity of sperm fertilizing due to a series of alterations in the structure and physiology of the sperm. The use of antioxidants, such as melatonin, added to freezing media, may help to reduce sperm cryoinjury. To t