Analysis revealed the molecular mechanism of oxidative stress-autophagy-induced liver injury caused by high alkalinity: integrated whole hepatic transcriptome and metabolome.

Introduction: High-alkalinity water is a serious health hazard for fish and can cause oxidative stress and metabolic dysregulation in fish livers. However, the molecular mechanism of liver damage caused by high alkalinity in fish is unclear.

Methods: In this study, 180 carp were randomly divided into a control (C) group and a high-alkalinity (A25) group and were cultured for 56 days.

Comparative study on glucomannans with different structural characteristics: Functional properties and intestinal production of short chain fatty acids.

Glucomannans (GMs) from abundant natural resources have excellent processing properties and plentiful bioactivities. In current study, functional properties of GMs with different structural characteristics, including KGM from konjac, DOP from dendrobium, AGP, ASP-4N, ASP-6N, & ASP-8N from aloe were determined. Results suggested that molecular weights (M) of GMs were positively correlated with their water absorption capacity, fat absorption capacity, and viscosity, while ratio of mannose/glucose showed negative effect.

Synthesis, characterization, and biological activity of selenium nanoparticles conjugated with polysaccharides.

Nanoparticles with unique properties have potential applications in food, medicine, pharmacology, and agriculture industries. Accordingly, many significant researches have been conducted to develop novel nanoparticles using chemical and biological techniques. This review focuses on the synthesis of selenium nanoparticles (SeNPs) using polysaccharides as templates.

Protective effect of three glucomannans from different plants against DSS induced colitis in female BALB/c mice.

Glucomannans (GMs) from diverse natural plants have great potentiality in enhancing the host immune system. The protective effects of three GMs on the intestinal mucosal immunity in colitis mice were investigated and compared in this study. The three GMs (KGM, AGP, and DOP) were obtained from Amorphophallus rivieri, Aloe vera, and Dendrobium officinale, respectively, having different weight-averaged molecular weights (Mw), acetyl group content, and molar ratios of mannose to glucose (M/G).

Structure identification of α-glucans from Dictyophora echinovolvata by methylation and 1D/2D NMR spectroscopy.

Dictyophora echinovolvata is a kind of edible mushroom in the Dictyophora genus, of which polysaccharide is an important chemical substance. Herein, three polysaccharide fractions (DEP-4P, DEP-6P and DEP-8P) were prepared from water extract of D. echinovolvata using gradient ethanol precipitation method.

Effect of Zn on halohydrin dehalogenase expression and accumulation through multi-parameter correlation research with Escherichia coli P84A/MC1061.

Using 5 Zn supplementation strategies in a 50 L batch bioreactor named FUS-50L(A), possible correlations among Zn content and addition timing, physiologic activity (PA), halohydrin dehalogenase (HheC) accumulation of Escherichia coli P84A/MC1061 were systematically investigated. First, Zn was confirmed as the significant factor, and its optimal concentration for HheC expression was 3.87 mg/L through fermentation experiments in shaking flasks.

[Response of Sediment Micro Environment and Micro Interface to Physical Disturbance Intensity Under the Disturbance of Chironomus plumosus].

The response of sediment micro environment and micro intertace to physical disturbance intensity under the physical and Chironomus plumosus disturbance was investigated by means of sediment Rhizon samplers and Unisense micro sensor system. The sediment and overlying water were taken from Meiliang bay of Taihu Lake. The results showed that the OPD reached up to 12.

[Synergistic effect of physical and Chironomus plumosus combined disturbance on regeneration and transformation of internal phosphorus].

To explain the synergistic effect of physical and Chironomus plumosus combined disturbance on the regeneration and transformation of internal phosphorus, laboratory static incubation experiments were carried out with the sediments and overlying water from a eutrophic river in Suzhou. Rhizon samplers were used to acquire the pore water. In the experiment, we compared the variation of different phosphorus forms in the overlying water, the pore water and sediments under the Chironomus plumosus disturbance and the combined disturbance.

[Effects of cold-shock on tomato seedlings under high temperature stress].

High temperature stress (HTS) is one of the major limiting factors that affect the quality of intensively cultured seedlings in protected facilitates during hot season. Increasing the cross adaptive response of plant induced by temperature stress is an effective way to improve plant stress resistance. In order to explore the alleviating effect of cold-shock intensity on tomato seedlings under HTS, tomato seedlings were subjected to cold-shock treatments every day with 5 °C, 10 °C, and 15 °C for 10 min, 20 min, and 30 min, respectively, in an artificial climate chamber.

Advances in preimplantation genetic diagnosis/screening.

Preimplantation genetic diagnosis (PGD) gives couples who have a high risk of transmitting genetic disorders to their baby the chance to have a healthy offspring through embryo genetic analysis and selection. Preimplantation genetic screening (PGS) is an effective method to select euploid embryos that may prevent repeated implantation failure or miscarriage. However, how and to whom PGS should be provided is a controversial topic.

Effect of low-dose fenvalerate on semen quality capacitation in adult mice.

Background: Fenvalerate (FEN) has been demonstrated to be a reproductive toxicant in humans and rodents. However, little is known about whether short-term exposure to low-dose FEN produces reproductive toxicity.

Methods: We administered FEN (0.

[Feasibility study of preserving intercostobrachial nerve during dissection for breast carcinoma: evidences from a preliminary pathologic exploration].

Objective: To determine the feasibility of preservation of intercostobrachial nerve (ICBN) in breast cancer.

Methods: During June 2004 to June 2006, 99 patients with operable breast cancer receiving an axillary lymph node dissection at our department were analyzed. The extirpated ICBN and ambient tissues were tested by HE staining to observe the pathological changes.

[Canonical correspondence analysis between phytoplankton community and environmental factors in winter and summer in shallow lakes of plain river network areas, Suzhou].

Field investigations on the phytoplankton community were carried out in December 2005 and June 2006 in shallow lakes of plainriver network areas, Suzhou City. Results show that there are 73 species, 62 genus, 8 phylum phytoplankton, which is mainly composed of the Chlorophyta, Bacillariophyta and Cyanophyta. In winter, the average phytoplankton abundance is 254.