This study investigates the effect of altitude on the fatty acid composition of pasture grass, yak milk, and yak ghee on the Qinghai-Tibet Plateau, aiming to understand how environmental factors influence the nutritional quality of these products. Samples were collected from four different altitudes and analyzed for fatty acid profiles using gas chromatography. The analysis reveals that higher altitudes are associated with an increased prevalence of beneficial unsaturated fatty acids, such as oleic acid (C18:1) and linoleic acid (C18:2n6c).
View Article and Find Full Text PDFImportance: The effect of high-intensity noninvasive positive pressure ventilation (NPPV) on the need for endotracheal intubation in patients with an acute exacerbation of chronic obstructive pulmonary disease (COPD) is unknown.
Objective: To determine whether the use of high-intensity NPPV vs low-intensity NPPV reduces the need for endotracheal intubation in patients with an acute exacerbation of COPD and hypercapnia.
Design, Setting, And Participants: Randomized clinical trial conducted at 30 general respiratory non-intensive care unit wards of Chinese hospitals from January 3, 2019, to January 31, 2022; the last 90-day follow-up was on April 22, 2022.
Chronic caloric restriction triggers unfavorable alterations in cardiac function albeit responsible scenarios remain unclear. This work evaluated the possible involvement of Akt2 in caloric restriction-evoked cardiac geometric and functional changes and responsible processes focusing on autophagy and mitophagy. Akt2 knockout and WT mice were subjected to caloric restriction for 30 weeks prior to assessment of myocardial homeostasis.
View Article and Find Full Text PDFIntroduction: Botulinum toxin type A (BoNT/A) is an effective non-surgical method for treating gummy smile (GS). This systematic review evaluated the efficacy, duration, and safety of different BoNT/A injections.
Methods: Four electronic databases were searched for relevant literature, generating 1106 references.
Coal spontaneous combustion (CSC) is disturbed by complex downhole conditions. However, current research by scholars mainly focuses on the impact of single conditional disturbances on CSC, which is difficult to comprehensively characterize the oxidation and spontaneous combustion characteristics of granular coal in a complex environment. For this reason, a temperature-programmed gas chromatographer (TP-GC) hyphenated instrument and a C600 high-precision microcalorimeter was used for analysis.
View Article and Find Full Text PDFTo improve the wettability of surfactants on bituminous coal and to explore its wettability and wettability mechanism on bituminous coal, taking the Sandaogou bituminous coal as an example, a single factor experiment was carried out first. Through contact angle and surface tension experiments, three surfactants with good wettability were selected from among the nine surfactants and mixed in equal proportions two by two to determine the optimal compounding method and compounding concentration. The experimental results show that the compounding of nonionic and anionic, nonionic and zwitterionic, anionic and zwitterionic surfactants can have synergistic effects and significantly improve the wettability of bituminous coal.
View Article and Find Full Text PDFAtmospheric water harvesting is a practical strategy that is achieved by removing materials from air moisture to relieve global water scarcity. Here we design a water-harvester (i.e.
View Article and Find Full Text PDFObjective: The potentiation of glycolysis is a leading driver of squamous cell carcinoma. Targeted modulation of the glycolytic process might be a pivotal tool for treating squamous cell carcinoma. Tribble homolog 3 (TRIB3) expression is elevated in some squamous cell carcinomas and correlates with poor prognosis.
View Article and Find Full Text PDFBackground: Hesperidin is a citrus flavonoid with anti-inflammatory and antioxidant potential. However, its protective effects on bovine mammary epithelial cells (bMECs) exposed to oxidative stress have not been elucidated.
Results: In this study, we investigated the effects of hesperidin on HO-induced oxidative stress in bMECs and the underlying molecular mechanism.
A Gradient-Janus wire (GJW) with a diameter of 0.3 mm has been fabricated on a large scale through liquid confined modification, enabling the opposite conical wetting phenomenon along the same orientation of the GJW, characterized by an increasing superhydrophilic region and a decreasing hydrophobic region. This property allows the GJW to exhibit controllable water hovering, transport, and pinning during fog harvesting, i.
View Article and Find Full Text PDFConsidering the substantial impact of venous ulcers on quality of life and healthcare systems, this study evaluated the efficacy and safety of platelet-rich plasma (PRP) in comparison to conventional therapy. A systematic review of four databases identified 16 randomized clinical trials, including 20 study groups. PRP significantly enhanced complete ulcer healing, exhibiting an odds ratio (OR) of 5.
View Article and Find Full Text PDFBackground: Gluteal ptosis results in a severe disturbance of gluteal aesthetics. Currently, satisfactory procedures for improving gluteal ptosis are lacking.
Objectives: To improve gluteal ptosis, the authors propose a novel concept of combined liposuction of the lower gluteal region and fat grafting to the upper gluteal and infragluteal regions, and verify its efficacy and safety.
Pressure ulcers are common chronic wounds in clinical practice, severely affecting patients' quality of life and causing substantial economic burdens. Platelet-rich plasma (PRP) has been explored for its potential in treating pressure ulcers. Herein, a study was carried out to evaluate the efficacy and safety of PRP in comparison to conventional treatments for pressure ulcers.
View Article and Find Full Text PDFBackground: Abdominal contouring through liposuction has been practiced for decades. However, few studies have focused on describing the definition and enhancement of the waistline in torso contouring procedures.
Objectives: In the present study, the authors proposed a waistline-based strategy for abdominal liposculpture to achieve a better aesthetic outcome and emphasize high overall patient satisfaction.
Ewes undergo complex metabolic changes during pregnancy. Understanding the specific process of these changes is a necessary prerequisite in ewes for regulating and intervening in order to maintain pregnancies. However, there have been relatively few studies on the specific changes that occur in nutritional metabolism in pregnant ewes during early gestation, especially for some landrace ewes in highly cold areas.
View Article and Find Full Text PDFBackground: The COVID-19 pandemic has brought about significant changes in the medical field, yet the use of botulinum toxin type A has remained uninterrupted. Plastic surgeons must carefully consider the timing of administering botulinum toxin type A to patients who have recovered from COVID-19.
Methods: A questionnaire survey was conducted among patients who had contracted and recovered from SARS-CoV-2 within a month.
The functions and molecular mechanisms of long noncoding RNA (lncRNA) in reproduction have been widely studied at present. However, lncRNA regulating hormone synthesis in ovarian follicular granulosa cells has not been sufficiently studied. Our previous research demonstrated that lncRNA Gm2044 could promote estradiol synthesis in follicular granulosa cells.
View Article and Find Full Text PDFPhotothermal superhydrophobic surfaces are potential to become ideal anti-/deicing surfaces due to their rapid water removal, icing delay, and photothermal deicing performance. Here, a robust photothermal icephobic surface with mechanical durability is shown that is integrated with a microspine array inspired by honeycomb and cactus thorn (i.e.
View Article and Find Full Text PDFBackground: The volume and position of the buccal fat pad (BFP) change with age, which manifests as a hollow midface. Previous studies showed that autologous fat grafting for BFP augmentation could effectively ameliorate midfacial hollowing.
Objectives: The aim of this study was to introduce a modified fat grafting technique for female patients with midfacial hollowing to restore the volume of BFP, and to evaluate the safety and effectiveness of this approach.
Coal spontaneous combustion (CSC) wastes valuable resources and does great damage to the environment. To study the oxidation and exothermic properties of CSC under solid-liquid-gas coexistence conditions, a C600 microcalorimeter was used to analyze the heat released by the oxidation of raw coal (RC) and water immersion coal (WIC) under different air leakage (AL) conditions. The experimental results showed that the AL was negatively correlated with the heat release intensity (HRI) in the initial stages of coal oxidation, but as the oxidation proceeded, the AL and the HRI gradually showed positive correlations.
View Article and Find Full Text PDFLipopolysaccharide (LPS) from Gram-negative bacteria is a major contributor to cardiovascular failure, but the signaling mechanisms underlying its stress response are not fully understood. This study aimed to investigate the effect of the antioxidant enzyme catalase on LPS-induced cardiac abnormalities and the mechanisms involved, with particular focus on the interplay between autophagy, ferroptosis, and apoptosis. Cardiac-specific catalase (CAT) overexpression and wild-type (WT) mice were stimulated with LPS (6 mg/kg, intravenous injection), and cardiac morphology and function were evaluated.
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