David Alejandro Contreras Caro del Castillo

ORCID: 0000-0001-5776-3461
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About
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Research Areas
  • Animal Genetics and Reproduction
  • Reproductive Physiology in Livestock
  • Reproductive Biology and Fertility
  • Genetic and phenotypic traits in livestock
  • Sperm and Testicular Function
  • Pluripotent Stem Cells Research
  • Effects of Environmental Stressors on Livestock
  • Renal and related cancers
  • Antibiotic Use and Resistance
  • Bacterial biofilms and quorum sensing
  • Antibiotic Resistance in Bacteria
  • Angiogenesis and VEGF in Cancer
  • Probiotics and Fermented Foods
  • CRISPR and Genetic Engineering
  • Reproductive System and Pregnancy
  • Xenotransplantation and immune response
  • Antifungal resistance and susceptibility
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Tissue Engineering and Regenerative Medicine

Universidad Nacional Autónoma de México
2007-2025

Universidad Autónoma de la Ciudad de México
2021

University of Nottingham
2011-2017

Epigenetic reprogramming is critical for genome regulation during germ line development. Genome-wide demethylation in mouse primordial cells (PGC) a unique event essential erasing epigenetic memory and preventing the transmission of epimutations to next generation. In addition DNA demethylation, PGC are subject major histone marks, many these changes concurrent with cell cycle arrest G2 phase. There limited information on how well conserved events mammals. Here we report dynamic methylation...

10.1186/1471-213x-11-11 article EN cc-by BMC Developmental Biology 2011-02-25

Spermatogonia are a potential source of adult pluripotent stem cells and can be used for testis germ cell transplantation. Markers the isolation these great importance biomedical applications. Primordial prepubertal spermatogonia in many species identified by their binding Dolichos biflorus agglutinin (DBA). This lectin binds to two different types glycans, which α-linked N-acetylgalactosamine (GalNac) β-linked GalNac, if this is part Sda or GM2 glycotopes. We MAB CT1, specific...

10.1530/rep-11-0007 article EN Reproduction 2011-09-07

Background: Coffee pulp has a high content of antioxidants capable modifying the oxidative status in small ruminants. However, amounts for prolonged time can reduce fertility. Objective: To determine effect two inclusion levels coffee during estrous synchronization on reproductive variables and primiparous ewes. Methods: Sixty Suffolk x Dorset ewes were distributed into three treatments completely randomized design; T0: (n=20) 1.5 kg balanced diet, Tl: diet 5% pulp, T2: 10% pulp....

10.17533/udea.rccp.v32n4a02 article EN cc-by-nc-sa Revista Colombiana de Ciencias Pecuarias 2019-08-05

Data regarding yeast microbiota in goat milk is scarce. To isolate and identify species of the genus Candida samples from clinically healthy goats, evaluate their enzymatic activity biofilm formation. 1092 goats were collected processed. The isolates identified by phenotypic, methods (phospholipase, hemolysin protease) formation evaluated. We obtained 221 belonging to six species: kefyr (35.7%), guilliermondii (33%), famata (23.5%), glabrata (5.9%), albicans (1.35%) parapsilosis sensu lato...

10.1016/j.riam.2021.06.001 article EN cc-by-nc-nd Revista Iberoamericana de Micología 2021-09-10

Summary The aim of this study was to compare the levels reactive oxygen species (ROS) in Bos taurus and indicus vitro embryos cryopreserved using either slow freezing or vitrification. Embryos were divided into four groups based on subspecies method: (BiSF; n = 8), vitrification (BiVT; 10), (BtSF; 9), (BtVT; 6). After thawing, incubated with CellRox Green images obtained a confocal microscope. fluorescence intensity each cell measured expressed as arbitrary units (auf) compared multiple...

10.1017/s0967199424000121 article EN Zygote 2024-09-18
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