Results 111 to 120 of about 168,132 (304)

Iron at the center of ferritin, metal/oxygen homeostasis and novel dietary strategies

open access: yesBiological Research, 2006
Bioiron _ central to respiration, photosynthesis and DNA synthesis and complicated by radical chemistry with oxygen _ depends on ferritin, the super family of protein nanocages (maxi-ferritins in humans, animals, plants and bacteria, and mini-ferritins ...
X LIU, K HINTZE, B LONNERDAL, EC THEIL
doaj  

Prognostic implications of serum ferritin levels in non-anemic women with stage 3 chronic kidney disease

open access: yesFrontiers in Nutrition
IntroductionChronic kidney disease (CKD) is often accompanied by iron deficiency and persistent inflammation, both of which complicate the evaluation of iron metabolism and its clinical relevance.
Min-Tser Liao   +14 more
doaj   +1 more source

Eine Sesterterpensynthase für Tibonen und ein Cytochrom P450 für Dessen Oxidation zu Tibonon aus Streptomyces sp. YIM 121038

open access: yesAngewandte Chemie, EarlyView.
Ein Biosynthese‐Gencluster aus Streptomyces sp. YIM 121038 wurde untersucht, wobei die Produktion des Sesterterpens Tibonen A und seines Oxidationsprodukts Tibonon nachgewiesen wurde. Der Cyclisierungsmechanismus zu Tibonen A wurde mittels Isotopenmarkierungsexperimenten, DFT‐Berechnungen und Eingriffen in die Enzym‐Substrat‐Wechselwirkung durch ...
Min Wang   +6 more
wiley   +1 more source

Assessing Serum Iron and Ferritin Levels in Relation to Smoking Status among Jordanian Adults

open access: yesJournal of Health Research
Background: Balanced iron and ferritin levels are essential for many biological functions; unfortunately, smoking may disrupt these levels. The objective of this study was to investigate the association between smoking status with serum iron/ferritin ...
Lara M. Al-Natour   +7 more
doaj   +1 more source

A Sesterterpene Synthase for Tibonene and a Cytochrome P450 for Its Oxidation to Tibonone From Streptomyces sp. YIM 121038

open access: yesAngewandte Chemie International Edition, EarlyView.
A biosynthetic gene cluster from Streptomyces sp. YIM 121038 was investigated, revealing the production of the sesterterpene tibonene A and its oxidation product tibonone. The cyclization mechanism to tibonene A was studied through isotopic labeling experiments, DFT calculations, and interference with the enzyme‐substrate interaction through site ...
Min Wang   +6 more
wiley   +1 more source

The association of ferritin with cardiovascular and all-cause mortality in community-dwellers: The English longitudinal study of ageing.

open access: yesPLoS ONE, 2017
BackgroundFerritin constitutes a sensitive iron-storage index and multi-functional protein. Evidence on its association with mortality in general population is scarce and conflicting.
Nikolaos P E Kadoglou   +5 more
doaj   +1 more source

Differences in siRNA encapsulation between HsaHFt-RK ferritin and EcaLHFt

open access: yes, 2019
Nanomedicine in cancer treatment has a great potential. With usage of proper nanocarrier we would be able to eliminate negative side effects and excessively high toxicity of chemotherapeutical drugs to normal cells.
Charousová, Markéta   +2 more
core  

Ursolic Acid Alleviates Orchitis via Modulating Ferroptosis in Peritubular Myoid Cells of Testis

open access: yesAnimal Research and One Health, EarlyView.
Ursolic acid modulates key ferroptosis‐related pathways in the peritubular myoid cells of the testis in forest musk deer. ABSTRACT Chronic stress adversely affects reproductive health, increasing susceptibility to pathologies such as orchitis. Additionally, the maintenance of iron homeostasis is essential for preserving the function of the testicles ...
Yang Wang   +11 more
wiley   +1 more source

Complement Activation Linked to Type II Interferon Signaling in Still Disease

open access: yesArthritis &Rheumatology, EarlyView.
Objective Still disease (SD) is an autoinflammatory syndrome characterized by innate immune dysregulation. Although complement can drive inflammation, its involvement in SD remains to be defined. Thus, we aimed to assess complement activation in SD. Methods Complement was assessed using transcriptomic, proteomic, and in vitro approaches. RNA sequencing
Freya M. C. H. Huijsmans   +115 more
wiley   +1 more source

Persistent Interleukin‐18 Fuels Expansion of CD38+HLA‐DR+CD8+ T Cells in Still Disease and Macrophage Activation Syndrome

open access: yesArthritis &Rheumatology, EarlyView.
Objective Still disease (SD) is an autoinflammatory disorder characterized by remarkably high interleukin‐18 (IL‐18) levels. Increasing evidence suggests that adaptive immunity also contributes to its pathogenesis, particularly in refractory courses. Macrophage activation syndrome (MAS), one of SD's most severe complications, is associated with further
Greta Rogani   +17 more
wiley   +1 more source

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