Results 41 to 50 of about 128,901 (311)

Active regulator of SIRT1 is required for cancer cell survival but not for SIRT1 activity [PDF]

open access: yes, 2013
The NAD+-dependent deacetylase SIRT1 is involved in diverse cellular processes, and has also been linked with multiple disease states. Among these, SIRT1 expression negatively correlates with cancer survival in both laboratory and clinical studies ...
Chen GL, Pattison D, Wang H, Yoshida M
core   +1 more source

Chitin and Chitosan Preparation from Marine Sources. Structure, Properties and Applications

open access: yesMarine Drugs, 2015
This review describes the most common methods for recovery of chitin from marine organisms. In depth, both enzymatic and chemical treatments for the step of deproteinization are compared, as well as different conditions for demineralization.
Islem Younes, Marguerite Rinaudo
doaj   +1 more source

Pharmacological activation of endogenous protective pathways against oxidative stress under conditions of sepsis [PDF]

open access: yes, 2016
Funding The study was funded entirely by institutional funds.Peer ...
Galley, H. F.   +4 more
core   +1 more source

Deacetyl tenuazonic acidp-toluenesulfonylhydrazone [PDF]

open access: yesActa Crystallographica Section E Structure Reports Online, 2009
The title compound {systematic name: 4-methyl-N'-[(3E)-2-(1-methyl-prop-yl)-5-oxopyrrolidin-3-yl-idene]benzene-sulfono-hydrazide}, C(15)H(21)N(3)O(3)S, is the condensation product of deacetyl tenuazonic acid (DTA) and p-toluene-sulfonohydrazide. The crystal structure consists of chains along [100] linked by N-H⋯O hydrogen bonds.
Irene Nehls   +4 more
openaire   +3 more sources

Epigenetic Chromatin Silencing: Bistability and Front Propagation

open access: yes, 2007
The role of post-translational modification of histones in eukaryotic gene regulation is well recognized. Epigenetic silencing of genes via heritable chromatin modifications plays a major role in cell fate specification in higher organisms.
Alberts B   +13 more
core   +1 more source

Identification of a novel polyprenylated acylphloroglucinol‑derived SIRT1 inhibitor with cancer‑specific anti-proliferative and invasion-suppressing activities [PDF]

open access: yes, 2014
SIRT1, a class III histone deacetylase, plays a critical role in regulating cancer cell growth, migration and invasion, which makes it a potential target for cancer therapeutics.
Chiao, Christine Ya-Chi   +6 more
core   +2 more sources

CHITOSAN PREPARATION WITH MULTISTAGE DEACETYLATION OF CHITIN AND INVESTIGATION OF ITS PHYSICOCHEMICAL PROPERTIES

open access: yesIndonesian Journal of Chemistry, 2010
Study of chitosan prepared with chitin deacetylation by multistage alkali treatments has been done. Chitin was extracted from Lampung white shrimp's (Litophenaeus vannamei) shell. The FTIR spectroscopy was used to determine deacetylation degree of chitin/
Ahmad Budi Junaidi   +2 more
doaj   +1 more source

Preparation of Chitin Nanofibers from Shrimp Shell Waste by Partial Deacetylation and Mechanical Treatment

open access: yesJournal of Natural Fibers, 2023
Chitin is one of the most abundant biopolymers in nature. Herein, we report the successful preparation of chitin nanofibers (ChNFs) from shrimp shell waste using a partial deacetylation process with NaOH and high-speed blending.
Anyaporn Boonmahitthisud   +2 more
doaj   +1 more source

Role of High-Mobility Group Box-1 in Liver Pathogenesis [PDF]

open access: yes, 2019
High-mobility group box 1 (HMGB1) is a highly abundant DNA-binding protein that can relocate to the cytosol or undergo extracellular release during cellular stress or death. HMGB1 has a functional versatility depending on its cellular location.
Huda, Nazmul   +3 more
core   +1 more source

Linking neurogenesis, oligodendrogenesis, and myelination defects to neurodevelopmental disruption in primary mitochondrial disorders

open access: yesFEBS Letters, EarlyView.
Mitochondrial remodeling shapes neural and glial lineage progression by matching metabolic supply with demand. Elevated OXPHOS supports differentiation and myelin formation, while myelin compaction lowers mitochondrial dependence, revealing mitochondria as key drivers of developmental energy adaptation.
Sahitya Ranjan Biswas   +3 more
wiley   +1 more source

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