AR ubiquitination induced by the curcumin analog suppresses growth of temozolomide-resistant glioblastoma through disrupting GPX4-Mediated redox homeostasis.

Drug resistance is the main obstacle in the improvement of chemotherapeutic efficacy in glioblastoma. Previously, we showed that dehydroepiandrosterone (DHEA), one kind of androgen/neurosteroid, potentiates glioblastoma to acquire resistance through attenuating DNA damage. Androgen receptor (AR) activated by DHEA or other types of androgen was reported to promote drug resistance in prostate cancer.

Chemopreventive Effect of Phytosomal Curcumin on Hepatitis B Virus-Related Hepatocellular Carcinoma in A Transgenic Mouse Model.

Chronic hepatitis B virus (HBV) infection is a major risk factor for the development of hepatocellular carcinoma (HCC), a leading cause of cancer mortality worldwide. Hepatitis B X protein (HBx) and pre-S2 mutant have been proposed as the two most important HBV oncoproteins that play key roles in HCC pathogenesis. Curcumin is a botanical constituent displaying potent anti-inflammatory and anti-cancer properties without toxic side effects.

Effect of omega 3 fatty acids on C-reactive protein and interleukin-6 in patients with advanced nonsmall cell lung cancer.

This study investigated the anti-inflammatory effects of omega 3 fatty acids (O3FAs) for patients with advanced nonsmall cell lung cancer (ANSCLC).A total of 137 patients with ANSCLC were included in this study. Of those, 77 patients underwent O3FA and were assigned to a treatment group, while 60 patients did not receive it, and were assigned to a control group.

Positive feedback regulation between IL10 and EGFR promotes lung cancer formation.

The role of IL10 in the tumorigenesis of various cancer types is still controversial. Here, we found that increased IL10 levels are correlated with a poor prognosis in lung cancer patients. Moreover, IL10 levels were significantly increased in the lungs and serum of EGFRL858R- and Kras4bG12D-induced lung cancer mice, indicating that IL10 might facilitate lung cancer tumorigenesis.

Theoretical investigation of the aromaticity and electronic properties of protonated and unprotonated molecules in the series hexaphyrin(1.0.0.1.0.0) to hexaphyrin(1.1.1.1.1.1).

A series of hexaphyrins with different meso-carbon atoms and their protonated structures were investigated using density functional theory (DFT) and time-dependent DFT. Frontier molecular orbitals (FMOs), aromaticity, and electronic spectra were investigated systematically before and after protonation. The FMO energy gaps before and after protonation were different for the antiaromatic molecules, while they were only slightly different for the aromatic molecules.

Draft genome of Myxosarcina sp. strain GI1, a baeocytous cyanobacterium associated with the marine sponge Terpios hoshinota.

To date, genome sequences (complete or in draft form) from only six baeocytous cyanobacteria in four genera have been reported: Xenococcus, Chroococcidiopsis, Pleurocapsa, and Stanieria. To expand our knowledge on the diversity of baeocytous cyanobacteria, this study sequenced the genome of GI1, which is a Myxosarcina-like baeocytous cyanobacterium. GI1 is of interest not only because of its phylogenetic niche, but also because it is a cyanobiont isolated from the marine cyanobacteriosponge Terpios hoshinota, which has been shown to cause the death of corals.

Econazole Nitrate Induces Apoptosis in MCF-7 Cells via Mitochondrial and Caspase Pathways.

Econazole nitrate (EN), a synthetic compound, is now in use as a routine antifungal drug. EN was shown to have antitumor effect, the tumor cell killing mechanisms, however, remain unclear. In this research, the apoptosis-inducing effect of EN on MCF-7 cells was investigated.

OMACC: an Optical-Map-Assisted Contig Connector for improving de novo genome assembly.

Background: Genome sequencing and assembly are essential for revealing the secrets of life hidden in genomes. Because of repeats in most genomes, current programs collate sequencing data into a set of assembled sequences, called contigs, instead of a complete genome. Toward completing a genome, optical mapping is powerful in rendering the relative order of contigs on the genome, which is called scaffolding.

Effects of GC bias in next-generation-sequencing data on de novo genome assembly.

Next-generation-sequencing (NGS) has revolutionized the field of genome assembly because of its much higher data throughput and much lower cost compared with traditional Sanger sequencing. However, NGS poses new computational challenges to de novo genome assembly. Among the challenges, GC bias in NGS data is known to aggravate genome assembly.

Short-term effects of compost amendment on the fractionation of cadmium in soil and cadmium accumulation in rice plants.

Purpose: We used a sequential extraction to investigate the effects of compost amendment on Cd fractionation in soil during different incubation periods in order to assess Cd stabilization in soil over time.

Methods: Pot experiments using rice plants growing on Cd-spiked soils were carried out to evaluate the influence of compost amendment on plant growth and Cd accumulation by rice. Two agricultural soils (Pinchen and Lukang) of Taiwan were used for the experiments.

O-GlcNAcylation modulates the self-aggregation ability of the fourth microtubule-binding repeat of tau.

In Alzheimer's disease (AD), tau protein is abnormally hyperphosphorylated and aggregated into paired helical filaments (PHFs). It was discovered recently that tau is also O-GlcNAcylated in human brains. And O-GlcNAcylation may regulate phosphorylation of tau in a site-specific manner.

Poly[bis-(μ(4)-benzene-1,4-dicarboxyl-ato)(μ(4)-succinato)diterbium(III)].

In the title compound, [Tb(2)(C(4)H(4)O(4))(C(8)H(4)O(4))(2)](n), the coord-in-ation around each Tb atom is distorted square-anti-prismatic. The benzene-1,4-dicarboxyl-ate and succinate anions bridge the anti-prisms, forming a three-dimensional network. The succinate anion is located on a centre of inversion.

Tetra-aqua-(1,10-phenanthroline)zinc(II) 3,6-dicarboxy-bicyclo-[2.2.2]oct-7-ene-2,5-dicarboxyl-ate.

In the title compound, [Zn(C(12)H(8)N(2))(H(2)O)(4)](C(12)H(10)O(8)), each Zn(II) atom is six-coordinated by two N atoms from one phenanthroline mol-ecule and by four O atoms from four water mol-ecules in a distorted octa-hedral environment. In the crystal structure, ions are linked by O-H⋯O hydrogen bonds.

Poly[zinc(II)-[μ-1,4-bis-(imidazol-1-yl-methyl)benzene]-μ-4,4'-oxydibenzoato].

In the title compound, [Zn(C(14)H(8)O(5))(C(14)H(14)N(4))](n), the coordination polyhedron around each Zn(II) atom is a distorted tetra-hedron. The ligands bridge the Zn atoms to form a two-dimensional (4,4)-network.

Phosphorylation modulates the local conformation and self-aggregation ability of a peptide from the fourth tau microtubule-binding repeat.

Phosphorylation of tau protein modulates both its physiological role and its aggregation into paired helical fragments, as observed in Alzheimer's diseased neurons. It is of fundamental importance to study paired helical fragment formation and its modulation by phosphorylation. This study focused on the fourth microtubule-binding repeat of tau, encompassing an abnormal phosphorylation site, Ser356.

Hydrogen peroxide can be generated by tau in the presence of Cu(II).

Alzheimer's disease has been closely related with oxidative stress, which might be responsible for the dysfunction or death of neuronal cells that contributes to disease pathogenesis. Impaired copper homeostasis makes contribution to the oxidative stress and consequently to several neurodegenerative conditions. Inappropriate binding of Cu(II) to cellular proteins are currently being explored as sources of pathological oxidative stress in several neurodegenerative disorders.