Results 101 to 110 of about 1,063,100 (311)

Yeast Crf1p: An activator in need is an activator indeed

open access: yes, 2022
Ribosome biogenesis is an energetically costly process, and tight regulation is required for stoichiometric balance between components. This requires coordination of RNA polymerases I, II, and III.
Kumar, Sanjay   +5 more
core   +1 more source

Activation Studies of the γ-Carbonic Anhydrases from the Antarctic Marine Bacteria Pseudoalteromonas haloplanktis and Colwellia psychrerythraea with Amino Acids and Amines

open access: yesMarine Drugs, 2019
The γ-carbonic anhydrases (CAs, EC 4.2.1.1) present in the Antarctic marine bacteria Pseudoalteromonas haloplanktis and Colwellia psychrerythraea, herein referred to as PhaCA and CpsCA, respectively, were investigated for their activation with a ...
Andrea Angeli   +6 more
doaj   +1 more source

Microbiome‐blood–brain barrier interactions in aging — mechanisms and therapeutic potential

open access: yesFEBS Letters, EarlyView.
Aging reshapes the gut microbiome (↓SCFA‐producing commensals; ↑pro‐inflammatory outputs), shifting circulating metabolites (↓SCFAs; ↑LPS, ↑TMAO, ↑PAA) that act at the BBB to increase nonspecific transcytosis, alter transport, and promote astrocyte reactivity, heightening brain vulnerability.
Daniel Cuervo‐Zanatta   +3 more
wiley   +1 more source

Activator-Mediator binding regulates Mediator-cofactor interactions

open access: yes, 2010
The 26-subunit, 1.2 MDa human Mediator complex is essential for expression of perhaps all protein-coding genes. Activator binding triggers major structural shifts within Mediator, suggesting a straightforward means to spatially and temporally regulate ...
Christopher C. Ebmeier, Dylan J. Taatjes
core   +1 more source

Dual regulation of autophagy: paradoxical effects on tumor angiogenesis

open access: yesFrontiers in Cell and Developmental Biology
Autophagy plays a critical role in dynamic cell growth under different environmental conditions and maintains cellular homeostasis and cell viability in response to different cellular injuries, especially in tumor angiogenesis, where there is a ...
Shanshan Xiang   +6 more
doaj   +1 more source

On Putting the Active Back into Activism

open access: yesNew Formations, 2010
This paper addresses a paradox: how to engage in affirmative politics, which entails the production of social horizons of hope, while at the same time doing critical theory, which means resisting the present. Drawing on the neo-vitalism of Deleuze, with reference to Nietzsche and Spinoza, the article argues in favour of an affirmative ethics: defined ...
openaire   +3 more sources

Structure‐forward targeting of claudins with synthetic binders

open access: yesFEBS Letters, EarlyView.
Claudins form the paracellular barriers between epithelial and endothelial tissues at tight junctions and are targets for molecular binders with the goal of modulating barrier permeability. Claudin‐binding molecules are relevant in drug delivery or in altering claudin interactions with disease‐causing proteins.
Alex J. Vecchio
wiley   +1 more source

Human NCU-G1 can function as a transcription factor and as a nuclear receptor co-activator-5

open access: yes, 2011
Copyright information:Taken from "Human NCU-G1 can function as a transcription factor and as a nuclear receptor co-activator"http://www.biomedcentral.com/1471-2199/8/106BMC Molecular Biology 2007;8():106-106.Published online 16 Nov 2007PMCID:PMC2233640 ...
Winnie Eskild (68339)   +8 more
core   +1 more source

Nutrient/TOR signaling controls adipose mitochondrial transcription factor A (TFAM) to regulate organismal growth in Drosophila

open access: yesFEBS Letters, EarlyView.
Animals must match their growth rate to available nutrients. We show that in Drosophila larvae, the nutrient‐sensing TOR kinase controls growth by regulating levels of TFAM, a key regulator of mitochondrial function, in the adipose tissue. When nutrients are abundant, high TOR activity suppresses TFAM, lowering mitochondrial bioenergetic activity and ...
Shrivani Sriskanthadevan‐Pirahas   +4 more
wiley   +1 more source

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