Results 71 to 80 of about 148,826 (294)

An overview of the basic helix-loop-helix proteins.

open access: yesGenome biology, 2004
The basic helix-loop-helix proteins are dimeric transcription factors that are found in almost all eukaryotes. In animals, they are important regulators of embryonic development, particularly in neurogenesis, myogenesis, heart development and hematopoiesis.
openaire   +2 more sources

Potential therapeutic targeting of BKCa channels in glioblastoma treatment

open access: yesMolecular Oncology, EarlyView.
This review summarizes current insights into the role of BKCa and mitoBKCa channels in glioblastoma biology, their potential classification as oncochannels, and the emerging pharmacological strategies targeting these channels, emphasizing the translational challenges in developing BKCa‐directed therapies for glioblastoma treatment.
Kamila Maliszewska‐Olejniczak   +4 more
wiley   +1 more source

Crystal structure of rhodopsin bound to arrestin by femtosecond X-ray laser. [PDF]

open access: yes, 2015
G-protein-coupled receptors (GPCRs) signal primarily through G proteins or arrestins. Arrestin binding to GPCRs blocks G protein interaction and redirects signalling to numerous G-protein-independent pathways.
Barty, Anton   +71 more
core   +1 more source

Basic helix‐loop‐helix protein MyoD displays modest DNA binding specificity

open access: yesFEBS Letters, 1996
The expression of MyoD can activate muscle specific genes and myogenic differentiation in many cell types. The hypothesis that the DNA binding specificity of MyoD is responsible for its biological specificity was tested. Homodimers of MyoD bind to E‐box containing DNA with high affinity, but do not form stable and well defined complexes with ...
Künne AG, Meierhans D, Allemann RK
openaire   +3 more sources

EDNRB‐dependent endothelin signaling reduces proliferation and promotes proneural‐to‐mesenchymal transition in gliomas

open access: yesMolecular Oncology, EarlyView.
Glioma cells mainly express the endothelin receptor EDNRB, while EDNRA is restricted to a perivascular tumor subpopulation. Endothelin signaling reduces glioma cell proliferation while promoting migration and a proneural‐to‐mesenchymal transition associated with poor prognosis. This pathway activates Ca2+, K+, ERK, and STAT3 signalings and is regulated
Donovan Pineau   +36 more
wiley   +1 more source

NPAS1-ARNT and NPAS3-ARNT crystal structures implicate the bHLH-PAS family as multi-ligand binding transcription factors

open access: yeseLife, 2016
The neuronal PAS domain proteins NPAS1 and NPAS3 are members of the basic helix-loop-helix-PER-ARNT-SIM (bHLH-PAS) family, and their genetic deficiencies are linked to a variety of human psychiatric disorders including schizophrenia, autism spectrum ...
Dalei Wu   +4 more
doaj   +1 more source

Hippo pathway at the crossroads of stemness and therapeutic resistance in breast cancer

open access: yesMolecular Oncology, EarlyView.
Dysregulation of the Hippo pathway drives nuclear accumulation of YAP/TAZ, activating stemness‐related transcriptional programs that sustain breast cancer stemness and fuel therapeutic resistance across subtypes, underscoring Hippo signaling as a targetable vulnerability. Figure created and edited with BioRender.com.
Giulia Schiavoni   +11 more
wiley   +1 more source

Genome-wide identification of the tea plant bHLH transcription factor family and discovery of candidate regulators of trichome formation

open access: yesScientific Reports, 2021
Leaf trichomes play vital roles in plant resistance and the quality of tea. Basic helix-loop-helix (bHLH) transcription factors (TFs) play an important role in regulating plant development and growth.
Renjian Liu   +6 more
doaj   +1 more source

Cellular expression and crystal structure of the murine cytomegalovirus MHC-Iv glycoprotein, m153 [PDF]

open access: yes, 2007
Mouse cytomegalovirus (MCMV), a β-herpesvirus that establishes latent and persistent infections in mice, is a valuable model for studying complex virus-host interactions.
Balbo, Andrea   +10 more
core   +1 more source

A basic-helix-loop-helix protein expressed in precursors of Drosophila longitudinal visceral muscles

open access: yesMechanisms of Development, 1997
Basic-helix-loop-helix (bHLH) transcription factors are involved in the control of many developmental processes in vertebrates and invertebrates. The HLH domain mediates formation of homo- or heterodimers. We have taken advantage of these dimerisation properties to identify a novel Drosophila HLH protein using the yeast two-hybrid system. Expression of
Georgias, Christine   +2 more
openaire   +2 more sources

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