Results 111 to 120 of about 221,142 (316)

Escherichia coli shares T- and B-lymphocyte epitopes with Schistosoma mansoni

open access: yesJournal of Infection in Developing Countries, 2009
Background: In this study, we tested the cross-reaction between crude Escherichia coli antigen (ECA) and 3 crude Schistosoma mansoni antigens. Methodology: The schistosomal antigens used were cercarial antigen preparation (CAP), soluble worm antigen ...
Mahmoud Mohamed Bahgat   +2 more
doaj   +1 more source

The CD4 (T4) antigen is an essential component of the receptor for the AIDS retrovirus

open access: yesNature, 1984
Acquired immune deficiency syndrome (AIDS) is characterized by opportunistic infections and by 'opportunistic neoplasms' (for example, Kaposi's sarcoma). Persistent generalized lymphadenopathy (PGL) is epidemiologically associated with AIDS, especially in male homosexuals. A subset of T lymphocytes positive for the CD4 antigen (also termed T4 antigen),
Dalgleish, A   +5 more
openaire   +3 more sources

VH-RELATED IDIOTOPES DETECTED BY SITE-DIRECTED MUTAGENESIS [PDF]

open access: yes, 1992
The function of the CD4 cell surface protein as coreceptor on T helper lymphocytes and as receptor for HIV makes this glycoprotein a prime target for an immune intervention with mAb.
Rieber, Ernst Peter   +4 more
core   +1 more source

Tumor‐Derived LAMB3 Drives Immunosuppressive LRRC15+ Fibroblast Formation During Pancreatic Ductal Adenocarcinoma Development

open access: yesAdvanced Science, EarlyView.
A single‐cell atlas of pancreatic ductal adenocarcinoma development reveals progressive ductal‐fibroblast‐immune crosstalk. Tumor‐derived LAMB3 drives the formation of immunosuppressive LRRC15+ fibroblasts through the ITGB1/FAK/MAPK/FOSL2 signaling. Glycolytic reprogramming upregulates LAMB3 and correlates with LRRC15+ fibroblast enrichment.
Xuqing Shi   +23 more
wiley   +1 more source

EXPRESSION OF A FUNCTIONAL CHIMERIC lg-MHC CLASS II PROTEIN [PDF]

open access: yes, 1992
composed of the a- and ß-chains of the MHC class I1 I-E molecule fused to antibody V regions derived from anti-human CD4 mAb MT310. Expression vectors were constructed containing the functional, rearranged gene segments coding for the V region domains of
Zwirner, Jörg   +8 more
core   +1 more source

A Microbial Lipid‐ATP Synthase Axis Fuels NK Cell Antitumor Activity

open access: yesAdvanced Science, EarlyView.
This study focuses on the mechanism by which gut microbiota‐derived outer membrane vesicles (OMVs) regulate NK cell antitumor activity. B. intestinalis is identified to decrease extra‐intestinal tumor growth via its OMVs enriched in sphingosine (SP).
Kaiyuan Yu   +16 more
wiley   +1 more source

The presentation of multivalent antigens to CD4+ T cells [PDF]

open access: yes, 2018
Uptake of antigen for processing and presentation on MHC class II molecules is required for initiation of the adaptive immune response. The professional antigen presenting cells (APCs) - dendritic cells (DCs), macrophages and B cells - are responsible ...
McNaughton, Euan
core   +1 more source

m6A‐Mediated Glycolysis by IL‐37 Drives T Cell Metabolic Reprogramming to Regulate Colitis

open access: yesAdvanced Science, EarlyView.
This study identifies an IL‐37/SIGIRR‐METTL14 regulatory axis that suppresses global m6A modification in CD4+ T cells. IL‐37 signaling, mediated through SIGIRR, inhibits IRAK4 and JNK phosphorylation, leading to downregulation of the methyltransferase METTL14.
Xiaoyan Wang   +26 more
wiley   +1 more source

Role of CD4 epitopes outside the gp120-binding site during entry of human immunodeficiency virus type 1

open access: yes, 1997
CD4 is the primary receptor for human immunodeficiency virus (HIV). The binding site for the surface glycoprotein of HIV type 1 (HIV-1), gp120, has been mapped to the C'-C" region of domain 1 of CD4. Previously, we have shown that a mutant of rat CD4, in
Puklavec, M.   +17 more
core  

Disruption of Treg Homeostasis in Rheumatoid Arthritis via Ferroptosis‐Mediated ETC Collapse and TXK‐STAT3/PLCγ1 Activation

open access: yesAdvanced Science, EarlyView.
In rheumatoid arthritis, synovial Tregs accumulate but are functionally impaired due to iron overload‐induced ferroptosis. This triggers mitochondrial dysfunction and TXK tyrosine kinase‐mediated signaling, leading to Treg destabilization and inflammation.
Jingrong Chen   +19 more
wiley   +1 more source

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