Results 31 to 40 of about 1,900,583 (232)

In ovo model in cancer research and tumor immunology

open access: yesFrontiers in Immunology, 2022
Considering cancer not only as malignant cells on their own but as a complex disease in which tumor cells interact and communicate with their microenvironment has motivated the establishment of clinically relevant 3D models in past years.
Lea Miebach   +6 more
doaj   +1 more source

Oldest preserved umbilical scar reveals dinosaurs had ‘belly buttons’

open access: yesBMC Biology, 2022
Background In egg-laying amniotes, the developing embryo is tethered to a number of the extraembryonic membranes including the yolk sac and allantois that deliver oxygen and nutrients and remove metabolic waste products throughout embryonic development ...
Phil R. Bell   +3 more
doaj   +1 more source

New Insights Into the Role of β-NGF/TrKA System in the Endometrium of Alpacas During Early Pregnancy

open access: yesFrontiers in Veterinary Science, 2021
One striking reproductive feature in South American camelids is that more than 90% of gestations are established in the left uterine horn (LUH). This phenomenon could be related to a differential vascular irrigation of the LUH.
Daniela E. Barraza   +6 more
doaj   +1 more source

Concomitant Morphological Modifications of the Avian Eggshell, Eggshell Membranes and the Chorioallantoic Membrane During Embryonic Development

open access: yesFrontiers in Physiology, 2022
The chicken eggshell (ES) consists of 95% calcium carbonate and 3.5% organic matter, and represents the first physical barrier to protect the developing embryo, while preventing water loss.
Maeva Halgrain   +5 more
doaj   +1 more source

Embryonic Annexes [PDF]

open access: yes, 2014
In vertebrates, depending on the environment in which an embryo develops, different types of extraembryonic membranes are formed. In placental mammals the following extraembryonic membranes are formed: amnion, yolk sac, allantois, chorion and placenta ...
Rodríguez, Ángel, Rojas, Mariana
core   +2 more sources

Vertical transmission of African-lineage Zika virus through the fetal membranes in a rhesus macaque (Macaca mulatta) model.

open access: yesPLoS Pathogens, 2023
Zika virus (ZIKV) can be transmitted vertically from mother to fetus during pregnancy, resulting in a range of outcomes including severe birth defects and fetal/infant death.
Michelle R Koenig   +17 more
doaj   +1 more source

The sheep conceptus modulates proteome profiles in caruncular endometrium during early pregnancy [PDF]

open access: yes, 2016
This project was funded by NHS Grampian R&D project number RG05/019Peer ...
Al-Gubory, Kaïs   +2 more
core   +2 more sources

The effect of methenamine on vascular development: Experimental investigation using in vivo and insilico methods

open access: yesInternational Journal of Reproductive BioMedicine, 2020
Background: Methenamine is a worldwide antibacterial agent for urinary system infections in human and animals. The effect of methenamine consumption during early phase of pregnancy is not fully clarified in previous studies.
Hadi Tavakkoli   +3 more
doaj   +1 more source

Targeted Deletion in the Basal Body Protein Talpid3 Leads to Loss of Primary Cilia in Embryonic Stem Cells and Defective Lineage-Specific Differentiation. [PDF]

open access: yesCells
Talpid3 is a basal body protein required for the formation of primary cilia, an organelle involved in signal transduction. Here, we asked if Talpid3 has a role in the regulation of differentiation and/or self-renewal of ES cells and whether cells lacking
Ferguson R, Subramanian V.
europepmc   +2 more sources

First steps to define murine amniotic fluid stem cell microenvironment [PDF]

open access: yes, 2016
Stem cell niche refers to the microenvironment where stem cells reside in living organisms. Several elements define the niche and regulate stem cell characteristics, such as stromal support cells, gap junctions, soluble factors, extracellular matrix ...
Bertin, Enrica   +11 more
core   +2 more sources

Home - About - Disclaimer - Privacy