Results 51 to 60 of about 4,918,459 (222)

Type II Natural Killer T Cells Contribute to Protection Against Systemic Methicillin-Resistant Staphylococcus aureus Infection

Frontiers in Immunology, 2020
Methicillin-resistant Staphylococcus aureus (SA) bacteremia is responsible for over 10,000 deaths in the hospital setting each year. Both conventional CD4+ T cells and γδ T cells play protective roles in SA infection through secretion of IFN-γ and IL-17.
Samantha Genardi, Lavanya Visvabharathy, Liang Cao, Eva Morgun, Yongyong Cui, Chao Qi, Yi-Hua Chen, Laurent Gapin, Evgeny Berdyshev, Chyung-Ru Wang   +9 more
doaj   +1 more source

B7-H1-deficiency enhances the potential of tolerogenic dendritic cells by activating CD1d-restricted type II NKT cells. [PDF]

PLoS ONE, 2010
BackgroundDendritic cells (DC) can act tolerogenic at a semi-mature stage by induction of protective CD4(+) T cell and NKT cell responses.Methodology/principal findingsHere we studied the role of the co-inhibitory molecule B7-H1 (PD-L1, CD274) on semi ...
Carolin Brandl, Sonja Ortler, Thomas Herrmann, Susanna Cardell, Manfred B Lutz, Heinz Wiendl   +5 more
doaj   +1 more source

Anisotropic Masked Mycobacterium Potentiates Amplified Antitumor Trained Immunity via Spleen Targeting and Myelopoiesis Conversion

Advanced Materials, EarlyView.
An engineered Trojan Mycobacterium, developed via a “peeling‐off and masking‐up” strategy, functions as a powerful splenic myelopoiesis converter. This spleen‐targeted nanomedicine induces trained immunity to reprogram immunosuppressive myeloid reservoirs into antitumoral effectors.
Jin‐Ho Choi, Sang Nam Lee, Jang Hun Heo, Soyoung Park, Sei Hyun Park, Yong Taik Lim   +5 more
wiley   +1 more source

Ion Concentration and Voltage Imaging With Fluorescent Nanodiamonds

Advanced Materials, EarlyView.
We demonstrate reversible switching between the fluorescent NV0 and the dark NV+ state, in sub‐30 nm FNDs via surface oxidation and hydrogenation, respectively. In an electrochemical cell, we show that the fluorescence from hydrogenated particles enables all‐optical imaging of voltages and ion concentrations at the micrometer scale.
Patrick Voorhoeve, Alessandro Mameli, Hiroshi Abe, Takeshi Ohshima, Qiang Sun, Anita Quigley, Rob Kapsa, Nikolai Dontschuk, Philipp Reineck   +8 more
wiley   +1 more source

Intrinsic factors and CD1d1 but not CD1d2 expression levels control invariant natural killer T cell subset differentiation

Nature Communications, 2023
Invariant natural killer T (NKT) cell subsets are defined based on their cytokine-production profiles and transcription factors. Their distribution is different in C57BL/6 (B6) and BALB/c mice, with a bias for NKT1 and NKT2/NKT17 subsets, respectively ...
Ludivine Amable, Luis Antonio Ferreira Martins, Remi Pierre, Marcio Do Cruseiro, Ghita Chabab, Arnauld Sergé, Camille Kergaravat, Marc Delord, Christophe Viret, Jean Jaubert, Chaohong Liu, Saoussen Karray, Julien C. Marie, Magali Irla, Hristo Georgiev, Emmanuel Clave, Antoine Toubert, Bruno Lucas, Jihene Klibi, Kamel Benlagha   +19 more
doaj   +1 more source

Cross Talk Between Natural Killer T and Dendritic Cells and Its Impact on T Cell Responses in Infections

Frontiers in Immunology, 2022
Both innate and adaptive immunity is vital for host defense against infections. Dendritic cells (DCs) are critical for initiating and modulating adaptive immunity, especially for T-cell responses.
Lei Zhao, Lei Zhao, Xi Yang
doaj   +1 more source

Natural Killer T Cell Function in Lymphoma Patients

Biomolecules
Natural killer T (NKT) cells bridge innate and adaptive immune responses and play a critical role in anti-tumor immunity. The goal of the study was to assess NKT cell and T cell function in lymphoma patients and to investigate whether specific cytokines ...
Roshanak Derakhshandeh, Michael S. Lee, Yuyi Zhu, Emmanuel B. Asiedu, Jocelyn Reader, Rania H. Younis, Amy S. Kimball, Nicole Glynn, Michael Kallen, Tonya J. Webb   +9 more
doaj   +1 more source

Natural Killer T Cell-Targeted Immunotherapy Mediating Long-term Memory Responses and Strong Antitumor Activity

Frontiers in Immunology, 2017
Current tumor therapies, including immunotherapies, focus on passive eradication or at least reduction of the tumor mass. However, cancer patients quite often suffer from tumor relapse or metastasis after such treatments.
Nyambayar Dashtsoodol, Nyambayar Dashtsoodol, Tomokuni Shigeura, Takuya Tashiro, Minako Aihara, Toshihiro Chikanishi, Hiromi Okada, Keigo Hanada, Hirokazu Sano, Akihiko Kurogi, Masaru Taniguchi   +10 more
doaj   +1 more source

Inhibition of IGFBP4 in Granulosa Cells Improves Reproductive Performance and Maintains Fertility With Age via YAP Signaling

Advanced Science, EarlyView.
IGFBP4 is upregulated in granulosa cells of aged ovaries across monkeys, mice, and humans. It inhibits YAP signaling, thereby suppressing cell proliferation and contributing to follicular dysfunction. Deletion of Igfbp4 in granulosa cells enhances ovulatory output, improves hormone profiles, and reproductive performance in aged female mice, suggesting ...
Qianhui Hu, Ajun Geng, Ziyuan Li, Fanghao Guo, Jingqiang Wang, Xinyi Chen, Meiling Zhang, Yi Arial Zeng, Wen Li   +8 more
wiley   +1 more source

Coixenolide Enhances Antitumor Immunity of Cytotoxic CD8+ T Cells by Inhibiting S100A8/A9‐CD36 Axis in Obesity‐Associated Pancreatic Adenocarcinoma

Advanced Science, EarlyView.
Pancreatic adenocarcinoma (PAAD) remains highly lethal with limited treatment options. This study demonstrates that coixenolide, a bioactive compound from Coix lacryma‐jobi L. and a key component of the clinically approved Kanglaite injection, exhibits enhanced antitumor efficacy in high‐fat diet (HFD)‐induced obese mice bearing PAAD tumors compared to
Kaidi Chen, Rong Chen, Wei Li, Bin Song, Ruiying Zhang, Lewei Dai, Yuwei Qi, Ruqian Chen, Yifan Xu, Hangbin Li, Jingyi Huang, Fangping Wu, Jianan Peng, Xinyu Wang, Yang Xiong, Chaofeng Mu, Guilin Cheng, Zhaoshen Li, Shanming Ruan, Lei Huang, Mancang Gu   +20 more
wiley   +1 more source