Results 71 to 80 of about 68,524 (331)

Graphene Nanoflake Uptake Mediated by Scavenger Receptors [PDF]

open access: yesNano Letters, 2019
The biological interactions of graphene have been extensively investigated over the last 10 years. However, very little is known about graphene interactions with the cell surface and how the graphene internalization process is driven and mediated by specific recognition sites at the interface with the cell.
Fatima Alnasser   +7 more
openaire   +6 more sources

Ovarian Function Restoration with Biomimetic Scaffold Incorporating Angiogenic Molecules and Antioxidant in Chemotherapy‐Induced Perimenopausal Model

open access: yesAdvanced Healthcare Materials, EarlyView.
This study developed a biomimetic scaffold incorporating PDRN and melatonin to restore ovarian function in chemotherapy‐induced premature ovarian insufficiency, enhancing cell survival, folliculogenesis, and hormone normalization, while improving fertility rates and offspring in a mouse model, offering a promising strategy for ovarian function ...
Da‐Seul Kim   +8 more
wiley   +1 more source

The Meat of the Matter: A thumb rule for scavenging dogs? [PDF]

open access: yesarXiv, 2013
Animals that scavenge in and around human localities need to utilize a broad range of resources. Preference for any one kind of food, under such circumstances, might be inefficient. Indian free-ranging dogs, Canis lupus familiaris are scavengers that are heavily dependent on humans for sustaining their omnivorous diet.
arxiv  

Hollow‐Structured Nanorobot with Excellent Magnetic Propulsion for Catalytic Pollutant Degradation, Anti‐Bacterial and Biofilm Removal

open access: yesAdvanced Healthcare Materials, EarlyView.
A hollow‐structured Fe3O4@AgAu@PDA‐ZnPc nanosphere has been developed, exhibiting controllable catalytic activity and “photothermal‐photodynamic‐Ag+” coupling antibacterial characteristics. When subjected to a rotating magnetic field, these performances are uniquely enhanced by magnetic propulsion, allowing the nanosphere to function as a magnetic ...
Jing Wang   +7 more
wiley   +1 more source

Cell density can affect cholesteryl ester accumulation in the human THP-1 macrophage.

open access: yesJournal of Lipid Research, 1994
Esterified cholesterol (EC) accumulation was induced in THP-1 macrophages after exposure to acetylated LDL (acLDL), and the extent of accumulation was dependent on cell density.
A Rodriguez   +3 more
doaj  

Fc gamma RIIb expression levels in human liver sinusoidal endothelial cells during progression of non-alcoholic fatty liver disease.

open access: yesPLoS ONE, 2019
Liver sinusoidal endothelial cells (LSECs) play a pivotal role in hepatic function and homeostasis. LSEC dysfunction has been recognized to be closely involved in various liver diseases, including non-alcoholic steatohepatitis (NASH), but not much is ...
Tomoko Ishikawa   +3 more
doaj   +1 more source

Detection in Molecular Communications with Ligand Receptors under Molecular Interference [PDF]

open access: yesarXiv, 2020
Molecular Communications (MC) is a bio-inspired communication technique that uses molecules to transfer information among bio-nano devices. In this paper, we focus on the detection problem for biological MC receivers employing ligand receptors to infer the transmitted messages encoded into the concentration of molecules, i.e., ligands.
arxiv  

Gasotransmitters in Modern Medicine: Promises and Challenges in the Use of Porous Crystalline Carriers

open access: yesAdvanced Healthcare Materials, EarlyView.
This perspective provides an overview of the growing interest in utilizing various gasotransmitters—small gaseous signaling molecules namely nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S)—for several therapeutic applications, with emphasis on the potential use of porous materials as carriers to provide safe and controlled local ...
Rosana V. Pinto   +2 more
wiley   +1 more source

Modulation of macrophage scavenger receptor transport by protein phosphorylation

open access: yesJournal of Lipid Research, 1996
The identification of three highly conserved phosphorylation sites in the cytoplasmic domain of each of the monomeric subunits of the macrophage scavenger receptor suggests that protein phosphorylation may regulate this receptor pathway.
L G Fong
doaj  

Structure and dynamics of dynorphin peptide and its receptor [PDF]

open access: yesarXiv, 2019
Dynorphin is a neuropeptide involved in pain, addiction and mood regulation. It exerts its activity by binding to the kappa opioid receptor (KOP) which belongs to the large family of G-protein coupled receptors. The dynorphin peptide was discovered in 1975, while its receptor was cloned in 1993.
arxiv  

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