Corrigendum: Evaluation of ferritin and TfR level in plasma neural-derived exosomes as potential markers of Parkinson's disease.

[This corrects the article DOI: 10.3389/fnagi.2023.

Evaluation of ferritin and TfR level in plasma neural-derived exosomes as potential markers of Parkinson's disease.

Introduction: Early diagnosis of Parkinson's disease (PD) remains challenging. It has been suggested that abnormal brain iron metabolism leads to excessive iron accumulation in PD, although the mechanism of iron deposition is not yet fully understood. Ferritin and transferrin receptor (TfR) are involved in iron metabolism, and the exosome pathway is one mechanism by which ferritin is transported and regulated.

Midkine Inhibits Cholesterol Efflux by Decreasing ATP-Binding Membrane Cassette Transport Protein A1 via Adenosine Monophosphate-Activated Protein Kinase/Mammalian Target of Rapamycin Signaling in Macrophages.

Background: Midkine (MK), a heparin-binding protein, participates in multiple cellular processes, such as immunity, cellular growth and apoptosis. Overwhelming evidence indicates that MK plays an important role in various pathological processes, including chronic inflammation, autoimmunity, cancer, and infection. Recent studies demonstrated that MK may be involved in the development of atherosclerosis, yet the mechanism has not been fully explored.

[Effect of Electroacupuncture on Ultrastructure of Oligodendrocytes and Expression of the Related Marker Proteins in the Marginal Zone of Cerebral Ischemia Locus in Rats].

Objective: To observe the effect of electroacupuncture (EA) on changes of ultrastructure of oligodendrocytes in the marginal zone of the cerebral ischemia (CI) locus in rats with cerebral infarction so as to reveal its mechanism underlying improving ischemic cerebral diseases.

Methods: Ninety male SD rats were randomized into sham operation, model and electroacupuncture (EA) groups which were further divided into five subgroups: 1 h, 1 d, 3 d, 7 d, and 21 d after CI (n = 6 in each subgroup). The CI model was established by occlusion of the middle cerebral artery.

Retrieval and analysis of atmospheric XCO2 using ground-based spectral observation.

Atmospheric CO2 column concentration (column-averaged dry air mole fractions of atmospheric carbon dioxide) data obtained by ground-based hyperspectral observation is an important source of data for the verification and improvement of the results of CO2 retrieval based on satellite hyperspectral observation. However, few studies have been conducted on atmospheric CO2 column concentration retrieval based on ground-based spectral hyperspectral observation in China. In the present study, we carried out the ground-based hyperspectral observation in Xilingol Grassland, Inner Mongolia of China by using an observation system which is consisted of an optical spectral analyzer, a sun tracker, and some other elements.

A new sesquiterpene from endophytic fungus Aspergillus sp.

A fungal strain named YLF-14 was isolated from the leaf of Altingia yunnunensis. Based on the sequence at the internal transcribed spacer (ITS) region, the strain was identified as an Aspergillus sp..

[A new type of iridium (III) phenylpyrazole complexes: synthesis, photophysical characterization].

New heteroleptic iridium(III) complexes (ppz)2Ir(LX), which consist of two cyclometalated ligands ppz(1-phenylpyrazole) together with an ancillary ligand LX (LX= 2-(2'-hydroxylphenyl)benzothiazole (BTZ), 2-(3'-methyl-2'-hydroxylphenyl) benzothiazole (3-MeBTZ), 2-(4'-methyl-2'-hydroxylphenyl) benzothiazole (4-MeBTZ) and 2-(4'-Trifluoromethyl-2'hydroxylphenyl) benzothiazole (4-tfmBTZ)), were synthesized and characterized. The molecular structures and photophysical properties were characterized and analyzed comparatively. The results show that the four complexes have basically similar UV-Vis absorption spectra, fluorescence excitation and emission spectra.

[Nonlinear finite element analysis for compression behavior of intravascular stents].

The implantation of intravascular stents has become a new method to cure stenosis in arteries with its low injury and high efficiency. The mechanical behavior of the stents is studied by the finite element method. The compression behavior is simulated with stent models of different sizes and geometry structures whose material is cobalt-chromium alloy.