Results 91 to 100 of about 44,182 (307)

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Causes of bolus impaction in the esophagus

open access: yes, 2011
Background Bolus impaction in the esophagus is a common indication for emergency endoscopy. The aim of this study was to determine the most common causes of esophageal bolus impaction. Methods In this retrospective study, data of 54 patients (41 male, 13
Endlicher, Esther   +15 more
core   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

Prevalence of Third Molar Impaction Using Panoramic Radiographic Analysis in Hail, Saudi Arabia: A Retrospective Cross-Sectional Observational Study

open access: yesHail Journal of Health Sciences
Aim and Background: The inability of a tooth to erupt into its natural position is known as tooth impaction, and it is most common in mandibular third molars.
Ibthaj S. Elnaem   +4 more
doaj   +1 more source

Chinese Impacts and Impacting China [PDF]

open access: yesJournal of Current Chinese Affairs, 2013
Introduction to Journal of Current Chinese Affairs 1/2013: Chinese Impacts and Impacting China.
openaire   +3 more sources

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

open access: yesFEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz   +11 more
wiley   +1 more source

Impact, Impact, Impact [PDF]

open access: yesAllergo Journal, 2011
Thilo Jakob, Hans F. Merk
openaire   +1 more source

Impactitis: The impact factor myth syndrome

open access: yesIndian Journal of Dermatology, 2009
In the early 1960s, Eugene Garfield and Irving Sher created the journal impact factor to help select journals for the Science Citation Index (SCI). Today it has become a widespread subject of controversy even for Garfield, the man who created it who is quoted saying "Impact Factor is not a perfect tool to measure the quality of articles but there is ...
Elsaie Mohamed, Kammer Jenna
openaire   +3 more sources

An isoform of 14‐3‐3 protein regulates transbilayer lipid movement at the plasma membrane

open access: yesFEBS Letters, EarlyView.
Loss of 14‐3‐3ζ in CHO cells confers resistance to exogenous phosphatidylserine (PS) and impairs endocytosis‐independent inward flip‐flop of fluorescent PS at the plasma membrane. RNAi‐mediated knockdown reproduces this defect, while no additive effect is seen in ATP11C‐deficient cells.
Akiko Yamaji‐Hasegawa   +3 more
wiley   +1 more source

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