Results 11 to 20 of about 55,137 (237)

UV Photoprotection, Cytotoxicity and Immunology Capacity of Red Algae Extracts [PDF]

open access: yesMolecules, 2019
This study was designed to evaluate the potential use of algal extracts in cosmeceuticals, including factors related to biosecurity. The aqueous crude extracts of Hydropuntia cornea and Gracilariopsis longissima showed a good photoprotective capacity (Sun Protection Factor, SPF) due to, among other reasons, the presence of five types of mycosporine ...
Félix Álvarez-Gómez   +4 more
openaire   +3 more sources

An Inhibitory Role for Human CD96 Endodomain in T Cell Anti-Tumor Responses

open access: yesCells, 2023
Immune checkpoint blockade (ICB) therapy involves the inhibition of immune checkpoint regulators which reverses their limitation of T cell anti-tumor responses and results in long-lasting tumor regression. However, poor clinical response or tumor relapse
Chelsia Qiuxia Wang   +5 more
doaj   +1 more source

Altered distribution of mucosal NK cells during HIV infection. [PDF]

open access: yes, 2012
The human gut mucosa is a major site of human immunodeficiency virus (HIV) infection and infection-associated pathogenesis. Increasing evidence shows that natural killer (NK) cells have an important role in control of HIV infection, but the mechanism(s ...
Alter, G   +13 more
core   +2 more sources

Cytotoxicity and genotoxicity of calcium silicate-based cements on an osteoblast lineage

open access: yesBrazilian Oral Research, 2016
Several calcium silicate-based biomaterials have been developed in recent years, in addition to Mineral Trioxide Aggregate (MTA). The aim of this study was to evaluate the cytotoxicity, genotoxicity and apoptosis/necrosis in human osteoblast cells (SAOS ...
Ana Lívia GOMES-CORNÉLIO   +7 more
doaj   +1 more source

Cytotoxicity and Antibacterial Activity of Toothpastes and Mouthwashes Available in the Iranian Market

open access: yesFrontiers in Dentistry, 2021
Objectives: Toothpastes and mouthwashes contain chemicals that may be harmful to oral tissues. This study assessed the cytotoxicity and antibacterial activity of toothpastes and compare the Iranian and foreign toothpastes and mouthwashes available in the
Zahra Shahidi   +7 more
doaj   +1 more source

Assessment of intracanal medications cytotoxicity on L929 fibroblast cells

open access: yesBioscience Journal, 2016
This study aimed to evaluate the cytotoxicity of intracanal medications on L929 fibroblast cells at different periods of observation. The following experimental groups were studied: calcium hydroxide with camphorated paramonochlorophenol and glycerin ...
Michelle de Paula Farias   +6 more
doaj   +3 more sources

DR-bearing T lymphocytes in thoracic duct lymph [PDF]

open access: yes, 1981
T cells having DR antigens were shown to be present in high numbers in the thoracic duct lymph of patients undergoing long-term drainage. As drainage progresses the proportion of T DR cells in the lymph increases to levels as high as 70% at 6 weeks ...
Abo   +25 more
core   +1 more source

Immunogenicity of decellularized extracellular matrix scaffolds: a bottleneck in tissue engineering and regenerative medicine

open access: yesBiomaterials Research, 2023
Tissue-engineered decellularized extracellular matrix (ECM) scaffolds hold great potential to address the donor shortage as well as immunologic rejection attributed to cells in conventional tissue/organ transplantation.
Mohammadreza Kasravi   +7 more
doaj   +1 more source

Immunological Changes after Cancer Treatment and Participation in an Exercise Program [PDF]

open access: yes, 2003
Purpose: The purpose of this investigation was to evaluate the impact of undertaking peripheral blood stem cell transplantation (PBST) on T-cell number and function, and to determine the role of a mixed type, moderate intensity exercise program in ...
Andrykowski   +27 more
core   +2 more sources

Metformin increases natural killer cell functions in head and neck squamous cell carcinoma through CXCL1 inhibition

open access: yesJournal for ImmunoTherapy of Cancer, 2022
Background Metformin slows tumor growth and progression in vitro, and in combination with chemoradiotherapy, resulted in high overall survival in patients with head and neck cancer squamous cell carcinoma (HNSCC) in our phase 1 clinical trial ...
Maria A Lehn   +14 more
doaj   +1 more source

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