Publications by authors named "Dan Ren"

Depression is a serious cognitive disorder that results in significant and pervasive deficits in social behavior. These deficits can be traced back to the intricate interplay between social, psychological, and biological factors. Inflammatory depression, a treatment-resistant or non-responsive subtype of depression, may be related to the interaction between the gut microbiota and interleukin-17-producing CD4 T cells (Th17 cells).

View Article and Find Full Text PDF

Alzheimer's disease (AD) is a common neurodegenerative disorder that places a heavy burden on patients and society. Hippocampal neuronal loss is a hallmark of AD progression. Therefore, understanding the mechanism underlying hippocampal neuronal death would be of great importance for the diagnosis and treatment of AD.

View Article and Find Full Text PDF

Background: (SGSP) is a rare pathogen responsible for infant sepsis and meningitis and is potentially overlooked because it is not included in routine group B streptococcal screenings. Hence, we present a case of SGSP-induced infant meningitis and sepsis, accompanied by bronchopneumonia induced by multidrug-resistant (MRSA), providing insights into the identification, management, and prognosis of this bacterial infection.

Case Summary: A 45-day-old female infant presented with two episodes of high fever (maximum temperature: 39.

View Article and Find Full Text PDF

Altering the physical structure and chemical property of copper, i.e., particle size, surface morphology, composition or crystal facet, has been demonstrated to be effective in steering the selectivity of products in electrochemical reduction of carbon dioxide.

View Article and Find Full Text PDF

Precancerous lesions typically precede gastric cancer (GC), but the molecular mechanisms underlying the transition from these lesions to GC remain unclear. Therefore, it is urgent to understand this transition from precancerous lesions to GC, which is crucial for the early diagnosis and treatment of GC. In this study, we merged multiple single-cell RNA sequencing datasets to investigate the molecular changes in distinct cell types associated with the progression of GC.

View Article and Find Full Text PDF

Aims: Endoplasmic reticulum protein 29 (ERP29) is crucial for endoplasmic reticulum stress (ERS). M6A plays an important role in the progression of endometrial cancer (EC). The study investigated the role of ERS-related gene (ERP29) and m6A in EC.

View Article and Find Full Text PDF

Kiwifruit bacterial canker, caused by pv. (PSA), poses a grave threat to the global kiwifruit industry. In this study, we examined the role of microRNAs (miRNAs) in kiwifruit's response to PSA.

View Article and Find Full Text PDF

Elucidating the absorption and translocation of heavy metal(loid)s by common vegetables across different growth environments and stages is crucial for conducting accurate environmental risk assessments and for associated control. This study investigated temporal variations in the absorption and translocation capacities of pak choi (Brassica rapa L.) for As, Cd, Cr, Cu, Pb, and Zn in polluted soils during the plant growth cycle under greenhouse and open-field cultivation modes.

View Article and Find Full Text PDF

Artificial photosynthesis is an effective way of converting CO into fuel and high value-added chemicals. However, the sluggish interfacial electron transfer and adsorption of CO at the catalyst surface strongly hamper the activity and selectivity of CO reduction. Here, we report a photocathode attaching zeolitic imidazolate framework-8 (ZIF-8) onto a ZnTe surface to mimic an aquatic leaf featuring stoma and chlorophyll for efficient photoelectrochemical conversion of CO into CO.

View Article and Find Full Text PDF

A strategic roadmap for noncarbonized fuels is a global priority, and the reduction of carbon dioxide emissions is a key focus of the Paris Agreement to mitigate the effects of rising temperatures. In this context, hydrogen is a promising noncarbonized fuel, but the pace of its implementation will depend on the engineering advancements made at each step of its value chain. To accelerate its adoption, various applications of hydrogen across industries, transport, power, and building sectors have been identified, where it can be used as a feedstock, fuel, or energy carrier and storage.

View Article and Find Full Text PDF

Hypoxia and Ferroptosis are associated with the malignant behaviour of cervical cancer. Endothelial PAS domain-containing protein 1 (EPAS1) contributes to the progression of cervical cancer. EPAS1 plays important roles in hypoxia and ferroptosis.

View Article and Find Full Text PDF

Solar fuels offer a promising approach to provide sustainable fuels by harnessing sunlight. Following a decade of advancement, CuO photocathodes are capable of delivering a performance comparable to that of photoelectrodes with established photovoltaic materials. However, considerable bulk charge carrier recombination that is poorly understood still limits further advances in performance.

View Article and Find Full Text PDF

Introduction: In patients with stroke, poststroke dysphagia (PSD) is a common complication that plays an important role in morbidity and mortality. The aim of this paper was to assess the prevalence and risk factors of PSD using a systemic review and meta-analysis.

Methods: PubMed, Embase, Cochrane Library, and Web of Science databases were systematically searched for potentially eligible studies published until September 2023.

View Article and Find Full Text PDF

Hydroxypropyl methylcellulose (HPMC) was employed as an intermediate layer to enhance interfacial interaction between chitosan (CS) coating and tangerine fruits, thereby improving the preservation effect. Owing to the low surface tension of tangerine fruit (26.04 mN/m), CS coating solutions showed poor wetting properties on fruit peels (contact angle > 100°).

View Article and Find Full Text PDF

Photoelectrochemical carbon dioxide reduction (PEC-COR) represents a promising approach for producing renewable fuels and chemicals using solar energy. However, attaining even modest solar-to-fuel (STF) conversion efficiency often necessitates the use of costly semiconductors and noble-metal catalysts. Herein, we present a CuO/GaO/TiO photocathode modified with Sn/SnO catalysts through a simple photoelectrodeposition method.

View Article and Find Full Text PDF

Polylactic acid (PLA)-based microcapsules, capable of releasing chlorine dioxide (ClO) upon exposure to moisture, have been developed for fruits and vegetables preservation. The microcapsules were prepared by emulsion solvent evaporation, utilizing PLA as the wall material, and NaClO as the core material. After optimization, NaClO microcapsules exhibited an encapsulation efficiency of 55.

View Article and Find Full Text PDF

Introduction: Generally, Traditional Chinese Medicine (TCM) courses are now given to modern medicine students without proper course scheduling, resulting in poor teaching results.

Methods: To analyze the main factors affecting TCM learning, we surveyed the medical students and TCM teachers from Xiangya School of Medicine of Central South University via online questionnaires. The questionnaire comprised two parts, the students' part included the basic information, the subjective cognition in TCM, the attitude toward TCM course arrangements, and the attitude toward curriculum content and the design of TCM.

View Article and Find Full Text PDF

Few studies have examined the association of factors associated with soil fertility and composition with the structure of microbial communities in the rhizosphere and endosphere. Hence, this study aimed to explore the effects of geographical differences on fungal communities in the roots of Scrophularia ningpoensis and the relationship between the fungal communities and secondary metabolic components in the host plant. We found that there was greater diversity in the fungal communities of the rhizosphere compartment than in endosphere communities.

View Article and Find Full Text PDF

Backgroud: Previous in vitro studies have indicated that pyrimidinergic receptor P2Y6 (P2RY6, P2Y6 receptor) may function as a cancer-promoting factor in lung adenocarcinoma (LUAD). However, the prognostic significance of P2RY6 expression in LUAD has not been investigated.

Objective: This study aimed to assess the impact of P2RY6 expression on the survival of patients with LUAD.

View Article and Find Full Text PDF
Article Synopsis
  • Piebaldism is a rare genetic condition that causes skin depigmentation and is often inherited through family history, primarily linked to mutations in the KIT or SLUG genes.
  • This paper reports a novel mutation in the KIT gene (c.1982C > T) in a three-generation Chinese family that resulted in piebaldism with additional café-au-lait macules, utilizing advanced genetic analysis methods.
  • The findings suggest that mutations in the KIT gene are associated with more severe cases of piebaldism and offer insights for clinicians on evaluating and diagnosing the disorder more effectively.
View Article and Find Full Text PDF

Photoelectrochemical (PEC) CO reduction has received considerable attention given the inherent sustainability and simplicity of directly converting solar energy into carbon-based chemical fuels. However, complex photocathode architectures with protecting layers and cocatalysts are typically needed for selective and stable operation. We report herein that bare CuInGaS photocathodes can drive the PEC CO reduction with a benchmarking 1 Sun photocurrent density of over 2 mA/cm (at -2 V vs Fc/Fc) and a product selectivity of up to 87% for CO (CO/all products) production while also displaying long-term stability for syngas production (over 44 h).

View Article and Find Full Text PDF

The conversion of carbon dioxide to value-added products using renewable electricity would potentially help to address current climate concerns. The electrochemical reduction of carbon dioxide to propylene, a critical feedstock, requires multiple C-C coupling steps with the transfer of 18 electrons per propylene molecule, and hence is kinetically sluggish. Here we present the electrosynthesis of propylene from carbon dioxide on copper nanocrystals with a peak geometric current density of -5.

View Article and Find Full Text PDF

Two-dimensional (2D) materials catalysts provide an atomic-scale view on a fascinating arena for understanding the mechanism of electrocatalytic carbon dioxide reduction (CO ECR). Here, we successfully exfoliated both layered and nonlayered ultra-thin metal phosphorous trichalcogenides (MPCh ) nanosheets via wet grinding exfoliation (WGE), and systematically investigated the mechanism of MPCh as catalysts for CO ECR. Unlike the layered CoPS and NiPS nanosheets, the active Sn atoms tend to be exposed on the surfaces of nonlayered SnPS nanosheets.

View Article and Find Full Text PDF