Results 141 to 150 of about 727,847 (314)

Optimization of B Cell Responses in Human Immune System Mice Through Organoid Based Screening

open access: yesAdvanced Science, EarlyView.
Human immune system (HIS) mice show limited B cell responses to immunization. Using HIS mouse spleen organoids, this study identifies cytokine combinations and innate immune signals that drive human B cell expansion, differentiation, and class‐switch. Applying these signals in vivo through temporal separation enables antigen‐specific IgG responses and ...
Haiqiao Sun   +6 more
wiley   +1 more source

A Hydrogen‐Releasing Nanozyme Engineers a Mitochondrial ROS Amplifier for Self‐Sustaining Catalytic Immunotherapy

open access: yesAdvanced Science, EarlyView.
We developed a RhPd‐H nanozyme that integrates enhanced POD‐mimetic catalytic activity with thermally triggered H2 release. H2 shields and reprograms mitochondria to continuously leak endogenous ·O2−. This dual‐path ROS spatially and temporally disrupts redox homeostasis, inducing persistent oxidative stress for tumor suppression and antitumor immunity,
Mingfan Shi   +12 more
wiley   +1 more source

Tonsillar cytotoxic CD4 T cells are involved in the control of EBV primary infection in children

open access: yesScientific Reports
CD4 T cells play a key role in Epstein Barr virus (EBV) infection, by modulating latent antigen expression, and exhibiting cytotoxic and regulatory properties.
María Eugenia Amarillo   +5 more
doaj   +1 more source

WT1‐Targeted Oral Bifidobacterium longum Vaccine Enhances Checkpoint Blockade Efficacy in Pancreatic Cancer

open access: yesAdvanced Science, EarlyView.
Oral WT1‐targeted Bifidobacterium longum vaccine promotes WT1‐associated cellular immunity and enhances anti‐PD‐1/anti‐CTLA‐4 efficacy in pancreatic cancer. ABSTRACT Pancreatic ductal adenocarcinoma (PDAC) remains largely unresponsive to immune checkpoint inhibitors (ICI) due to its profoundly immunosuppressive tumor microenvironment.
Taiki Yamazaki   +7 more
wiley   +1 more source

Insights into Key Interactions between Vancomycin and Bacterial Cell Wall Structures

open access: yesACS Omega, 2018
Feng Wang   +4 more
doaj   +1 more source

Coexpresión de CD4 y CD8 en linfocitos de sangre periférica en pacientes positivos para VIH Peripheral blood lymphocyte CD4 and CD8 co-expression in HIV positive patients

open access: yesInfectio, 2008
Objetivo. La coexpresión en membrana de las moléculas CD4 y CD8 en leucocitos de sangre periférica se halla generalmente restringida a casos de leucemias agudas T prolinfocíticas o de leucemias T del adulto y no representa más de 3% a 5% de los ...
Alberto Gómez   +4 more
doaj  

Engineering Microbial Particles for Next‐Generation Biomedical Platforms

open access: yesAdvanced Science, EarlyView.
Microbe‐derived particles (MDPs), which include extracellular vesicles, outer membrane vesicles, inclusion bodies, polysaccharide particles, and virus‐like particles, represent a rapidly expanding category of bioinspired nanomaterials. With their natural origin, intrinsic biocompatibility, and highly programmable functionality, MDPs serve as a ...
Yuting Li   +7 more
wiley   +1 more source

The effects of early syphilis on CD4 counts and HIV-1 RNA viral loads in blood and semen

open access: yes, 2005
Objective: To examine the effect of early syphilis on blood and semen plasma HIV-1 viral loads and CD4 counts.Methods: In a retrospective case-control study, blood plasma HIV-1 viral loads and CD4 counts in cases during early syphilis ( n = 63, 27 ...
Weller, IVD   +8 more
core  

CD4 [PDF]

open access: yesScience-Business eXchange, 2010
openaire   +1 more source

Materials‐Guided Gene‐Ionizable Lipid Nanoparticles to Reverse Iron‐Associated Immune Resistance in Renal Cancer

open access: yesAdvanced Science, EarlyView.
ABSTRACT Iron overload is a common metabolic disturbance in cancer and contributes to poor outcomes in renal cell carcinoma (RCC), yet its effects on the tumour immune microenvironment remain unclear. Here we identify a previously unrecognized immunosuppressive axis in which iron overload downregulates the palmitoyltransferase ZDHHC12 in CD8+ T cells ...
Xin Jin   +16 more
wiley   +1 more source

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