Results 21 to 30 of about 268,604 (303)

Role of surface charge and oxidative stress in cytotoxicity of organic monolayer-coated silicon nanoparticles towards macrophage NR8383 cells [PDF]

open access: yes, 2010
Background - Surface charge and oxidative stress are often hypothesized to be important factors in cytotoxicity of nanoparticles. However, the role of these factors is not well understood.
de Haan, L.H.J.   +21 more
core   +1 more source

SDF-1α Reduces Human Natural Killer Cell Cytotoxicity against Chronic Myelogenous Leukemia K562 Cells

open access: yesIranian Journal of Allergy, Asthma and Immunology, 2019
Stromal cell-derived factor-1 alpha (SDF-1α) has been shown to be up-regulated in a variety of malignancies. So that, its expression is associated with poor prognosis and invasiveness.
Alireza Mardomi   +4 more
doaj   +1 more source

Tim-3 Is Upregulated in NK Cells during Early Pregnancy and Inhibits NK Cytotoxicity toward Trophoblast in Galectin-9 Dependent Pathway. [PDF]

open access: yesPLoS ONE, 2016
NK cells accumulate at the maternal-fetal interface (MFI) and play essential roles in maintaining immune tolerance during pregnancy. The mechanisms that facilitate NK cells tolerance to fetal tissue are largely unknown.
Jintang Sun   +9 more
doaj   +1 more source

Cytotoxicity of polycarbonate orthodontic brackets

open access: yesBrazilian Journal of Oral Sciences, 2015
Aim: To assess the cytotoxicity of polycarbonate orthodontic brackets. Methods: Polycarbonate brackets from two different manufacturers, namely, Composite bracket (Morelli™) and Silkon Plus bracket (American Orthodontics™), were assessed.
Matheus Melo Pithon   +6 more
doaj   +1 more source

Cytotoxicity of Reparative Endodontic Cements on Human Periodontal Ligament Stem Cells

open access: yesPesquisa Brasileira em Odontopediatria e Clínica Integrada, 2022
Objective: To compare the cytotoxicity of commercial reparative endodontic cements on human periodontal ligament stem cells (hPDLSCs). Material and Methods: The culture of hPDLSCs was established.
Marlus da Silva Pedrosa   +4 more
doaj  

In vitro Cytotoxicity in Delayed-Type Hypersensitivity and Immunologic Tolerance.

open access: yesExperimental Biology and Medicine, 1964
SummaryPicryl chloride was found to exert a lethal effect in vitro on leukocytes, principally lymphocytes, from guinea pigs exhibiting delayed-type skin reactivity to this hapten in the absence of antibody and complement. This reaction was found to be immunologically specific.
D M, LUBAROFF, R E, RITTS
openaire   +2 more sources

The Biological Influence and Clinical Relevance of Polymorphism Within the NKG2D Ligands

open access: yesFrontiers in Immunology, 2018
NKG2D is a major regulator of the activity of cytotoxic cells and interacts with eight different ligands (NKG2DL) from two families of MIC and ULBP proteins.
Jianmin Zuo, Fiyaz Mohammed, Paul Moss
doaj   +1 more source

Genetic Modification of Limbal Stem Cells to Decrease Allogeneic Immune Responses

open access: yesFrontiers in Immunology, 2021
Limbal stem cell (LSC) transplantation is the only efficient treatment for patients affected by LSC deficiency (LSCD). Allogeneic LSC transplantation is one of the most successful alternative for patients with bilateral LSCD.
Emilio Valdivia   +9 more
doaj   +1 more source

Immunological aspects of persistent hepatitis B in children [PDF]

open access: yes, 2001
We studied the immunological status of 203 children having persistence Hepatitis B (positive HBsAg) ranging in age from 6 to 14 years in Semarang Municipality.
Notoatmojo, Harsoyo
core   +1 more source

In Vitro Analysis of the Proliferation of HaCaT Cells Stimulated by Pigments Used for Maxillofacial Prostheses

open access: yesJournal of Orofacial Sciences, 2019
Introduction: Although physical and mechanical properties are extremely important for the effectiveness of prosthetic treatment, materials used for facial rehabilitation should be biocompatible, as the maxillofacial prosthesis is in close contact with ...
Marcelo Coelho Goiato   +4 more
doaj   +1 more source

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