Results 51 to 60 of about 114,148 (300)

Compensatory Feto-Placental Upregulation of the Nitric Oxide System during Fetal Growth Restriction [PDF]

open access: yes, 2012
Background: Fetal Growth Restriction is often associated with a feto-placental vascular dysfunction conceivably involving endothelial cells. Our study aimed to verify this pathogenic role for feto-placental endothelial cells and, coincidentally ...
Begliuomini, Silvia   +11 more
core   +3 more sources

VIVID: A qPCR‐Based Platform for Sensitive and Quantitative In Vivo Tracking of Extracellular Vesicles

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces VIVID (Vesicle In Vivo Identification using DNA), a qPCR‐based platform that tracks PCR‐amplifiable DNA tags loaded in the EVs for accurate and quantifiable EV biodistribution in vivo. ABSTRACT Extracellular vesicles (EVs) represent promising carriers for nucleic acid therapeutics, offering advantages over synthetic nanoparticles ...
Oscar Boyadjian   +5 more
wiley   +1 more source

Variants of hemoglobin F and observations on hemoglobin F (Malta) [PDF]

open access: yes, 1970
The major hemoglobin component found in the blood of humans at birth is fetal hemoglobin, hemoglobin F. In common with most other human hemoglobins it has a tetrameric structure, each molecule being made up of two different pairs of polypeptide chains ...
Brown, I.R.F., Grech, J.L.
core  

Optimal villi density for maximal oxygen uptake in the human placenta

open access: yes, 2015
We present a stream-tube model of oxygen exchange inside a human placenta functional unit (a placentone). The effect of villi density on oxygen transfer efficiency is assessed by numerically solving the diffusion-convection equation in a 2D+1D geometry ...
Brownbill, P.   +4 more
core   +1 more source

Identification of erythroferrone as an erythroid regulator of iron metabolism. [PDF]

open access: yes, 2014
Recovery from blood loss requires a greatly enhanced supply of iron to support expanded erythropoiesis. After hemorrhage, suppression of the iron-regulatory hormone hepcidin allows increased iron absorption and mobilization from stores.
Ganz, Tomas   +5 more
core   +1 more source

Biocompatible but Antibacterial Mechanism of Graphene Oxide for Sustainable Antibiotics

open access: yesAdvanced Functional Materials, EarlyView.
Graphene oxide (GO) exhibits selective antibacterial activity through specific interactions between its oxygen functional groups and bacterial membrane phospholipid POPG, causing membrane destabilization while maintaining biocompatibility. Model membrane studies and infected wound models in mice and pigs demonstrate effective bacterial suppression and ...
Sujin Cha   +15 more
wiley   +1 more source

3′HS1 CTCF binding site in human β-globin locus regulates fetal hemoglobin expression

open access: yeseLife, 2021
Mutations in the adult β-globin gene can lead to a variety of hemoglobinopathies, including sickle cell disease and β-thalassemia. An increase in fetal hemoglobin expression throughout adulthood, a condition named hereditary persistence of fetal ...
Pamela Himadewi   +10 more
doaj   +1 more source

Bioengineered 3D hPSC‐Cholangiocyte Ducts With Physiological Signals for Biliary Disease Modeling

open access: yesAdvanced Healthcare Materials, EarlyView.
Tian and colleagues generated a bioengineered bile duct from human pluripotent stem cell (hPSC)‐derived intrahepatic cholangiocytes within a high‐throughput, 384‐well platform to systematically examine the influence of biliary physiological signals including fluid flow, stromal cells and bile acids, and models intrahepatic biliary disease progression ...
Britney Tian   +10 more
wiley   +1 more source

Índice cárdio-femoral para avaliação da anemia de fetos de gestantes isoimunizadas Cardiofemoral index for the evaluation of fetal anemia in isoimmunized pregnancies

open access: yesRevista Brasileira de Ginecologia e Obstetrícia, 2005
OBJETIVO: estabelecer novo marcador não invasivo na detecção da anemia fetal, em gestantes isoimunizadas por antígenos eritrocitários. MÉTODOS: em estudo transversal o índice ecográfico obtido pela razão entre a medida ecográfica do diâmetro ...
Antônio Carlos Vieira Cabral   +4 more
doaj   +1 more source

Evidence for multiple structural genes for the γ chain of human fetal hemoglobin [PDF]

open access: yes, 1968
A sequence with a specific residue at each position was proposed for the γ chain of human fetal hemoglobin by Schroeder et al. (1) after a study in which hemoglobin from a number of individual infants was used.
Dozy, Andrée M.   +6 more
core  

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