Results 111 to 120 of about 5,118,873 (324)

Human naive CD8 T cells down-regulate expression of the WNT pathway transcription factors lymphoid enhancer binding factor 1 and transcription factor 7 (T cell factor-1) following antigen encounter in vitro and in vivo [PDF]

open access: yes, 2006
The transcription factors lymphoid enhancer binding factor 1 (LEF1) and transcription factor 7 (TCF7) (T cell factor-1 (TCF-1)) are downstream effectors of the WNT signaling pathway, which is a critical regulator of T cell development in the thymus.
Callan, Margaret F C   +5 more
core   +1 more source

Wnt Signaling and Drug Resistance in Cancer

open access: yesMolecular Pharmacology, 2019
Wnts are secreted proteins that bind to cell surface receptors to activate downstream signaling cascades. Normal Wnt signaling plays key roles in embryonic development and adult tissue homeostasis.
Zheng Zhong, D. Virshup
semanticscholar   +1 more source

Targeting p38α in cancer: challenges, opportunities, and emerging strategies

open access: yesMolecular Oncology, EarlyView.
p38α normally regulates cellular stress responses and homeostasis and suppresses malignant transformation. In cancer, however, p38α is co‐opted to drive context‐dependent proliferation and dissemination. p38α also supports key functions in cells of the tumor microenvironment, including fibroblasts, myeloid cells, and T lymphocytes.
Angel R. Nebreda
wiley   +1 more source

Wnt-signaling pathway in pathogenesis of glioblastoma multiforme

open access: yesУспехи молекулярной онкологии, 2019
The Wnt-signaling pathway regulates various biological processes, such as embryonic development, self-renewal, proliferation, differentiation and migration of stem cells.
Yu. D. Vasilets   +3 more
doaj   +1 more source

Tumor promoter TPA activates Wnt/β-catenin signaling in a casein kinase 1-dependent manner. [PDF]

open access: yes, 2018
The tumor promoter 12-O-tetra-decanoylphorbol-13-acetate (TPA) has been defined by its ability to promote tumorigenesis on carcinogen-initiated mouse skin.
Carson, Dennis A   +12 more
core  

WNT Signaling in Tumors: The Way to Evade Drugs and Immunity

open access: yesFrontiers in Immunology, 2019
WNT/β-catenin signaling is involved in many physiological processes. Its implication in embryonic development, cell migration, and polarization has been shown.
E. Martín-Orozco   +3 more
semanticscholar   +1 more source

Wnt signalling: Antagonistic Dickkopfs [PDF]

open access: yesCurrent Biology, 2001
Dickkopf proteins are secreted antagonists of the Wnt cell signalling molecules, which have a novel mode of action. Dickkopf1 binds to the LRP5/6 Wnt co-receptor and prevents the formation of active Wnt--Frizzled--LRP5/6 receptor complexes, thus blocking the canonical Wnt--beta-catenin pathway.
openaire   +2 more sources

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

open access: yesMolecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

Wnt signaling is required for early development of zebrafish swimbladder.

open access: yesPLoS ONE, 2011
BackgroundWnt signaling plays critical roles in mammalian lung development. However, Wnt signaling in the development of the zebrafish swimbladder, which is considered as a counterpart of mammalian lungs, have not been explored.
Ao Yin   +4 more
doaj   +1 more source

Current perspectives of the signaling pathways directing neural crest induction. [PDF]

open access: yes, 2012
The neural crest is a migratory population of embryonic cells with a tremendous potential to differentiate and contribute to nearly every organ system in the adult body.
García-Castro, Martín I   +1 more
core   +2 more sources

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