Publications by authors named "Chenchen Zhang"

A high degree of hydrolysis can reduce the allergenicity of milk, while lactic acid bacteria (LAB) fermentation can further enhance the antioxidant ability of enzymatic milk. LAB with a strong antioxidant ability was screened, and the effects of LAB on the bitterness, taste and flavor of enzymatic skim milk (ESM) with a high degree of hydrolysis were investigated in this paper, in addition to the response surface methodology optimized the conditions of the LAB fermentation of ESM. The results indicate that the skim milk hydrolyzed by Protamex has a higher degree of hydrolysis and lower bitterness.

View Article and Find Full Text PDF

Schizophrenia, a severe mental illness characterized by cognitive impairment and olfactory dysfunction, remains an enigma with its pathological mechanism yet to be fully elucidated. The entorhinal cortex, a pivotal structure involved in numerous neural loop circuits related to olfaction, cognition, and emotion, has garnered significant attention due to its structural and functional abnormalities, which have been implicated in the pathogenesis of schizophrenia. This review focuses on the abnormal structural and functional changes in the entorhinal cortex in schizophrenia patients, as evidenced by neuroimaging, cellular biology, and genetic studies.

View Article and Find Full Text PDF

Melanoma is a common malignant skin tumor with highly invasive features and a high metastasis rate that can be difficult to treat clinically. Large-scale resection of primary cutaneous melanoma is often used to avoid postoperative recurrence. For advanced patients, radiotherapy, targeted therapy and immunotherapy are often needed.

View Article and Find Full Text PDF

In the rehabilitation training process for stroke patients, the level of excitement in the patient's physiological state has a positive impact on the efficacy of the training. In order to improve patients' initiative during training and prevent dependence on assistive systems, this study proposes an assist-as-needed control strategy based on a subjective intention decline model. The strategy primarily consists of two modules: a subjective intention decline control module and a limb movement assessment module.

View Article and Find Full Text PDF

Cognitive impairment, a core symptom of psychiatric disorders, is frequently observed in adolescents exposed to early-life stress (ES). However, the underlying neural mechanisms are unclear, and therapeutic efficacy is limited. Targeting parvalbumin-expressing interneurons (PVIs) in the medial prefrontal cortex (mPFC), we report that ES reduces mPFC PVI activity, which causally mediated ES-induced cognitive deficits in adolescent male mice through chemogenetic and optogenetic experiments.

View Article and Find Full Text PDF
Article Synopsis
  • DNA methylation at non-CG dinucleotides (mCH) is prevalent in certain cell types like pluripotent and neural cells, yet its roles in species outside of humans and mice are not well understood.
  • This study examined mCH distribution in various bovine tissues, discovering higher levels in embryonic stem cells and specific organs, while also highlighting differences between somatic cells and stem cells.
  • Findings indicate that mCH is concentrated in certain functional regions rather than being randomly distributed, suggesting it may play significant roles in development and disease, contributing valuable insights into epigenetics in bovines and beyond.
View Article and Find Full Text PDF

Craniofacial pain is prevalent and a debilitating condition. Managing craniofacial pain is particularly challenging due to its multifaceted nature. Among the most severe forms of craniofacial pain is trigeminal neuralgia, often described as one of the most excruciating pain syndromes encountered in clinical practice.

View Article and Find Full Text PDF

Ligand-induced receptor and co-receptor heterodimerization is a common mechanism in receptor kinase (RK) signalling activation. SERINE-RICH ENDOGENOUS PEPTIDEs (SCOOPs) mediate the complex formation of Arabidopsis RK MIK2 and co-receptor BAK1, triggering immune responses. Through structural, biochemical and genetic analyses, we demonstrate that SCOOPs use their SxS motif and adjacent residues to bind MIK2 and the carboxy-terminal GGR residues to link MIK2 to BAK1.

View Article and Find Full Text PDF

Epigenetic regulation in the rumen, a unique ruminant organ, remains largely unexplored compared with other tissues studied in model species. In this study, we perform an in-depth analysis of the epigenetic and transcriptional landscapes across fetal and adult bovine tissues as well as pluripotent stem cells. Among the extensive methylation differences across various stages and tissues, we identify tissue-specific differentially methylated regions (tsDMRs) unique to the rumen, which are crucial for regulating epithelial development and energy metabolism.

View Article and Find Full Text PDF

Background: Silicosis has always been a serious global occupational health problem. Oral microbiota plays important roles in the development of lung disease. However, few studies have investigated the relationship between periodontal conditions, oral bacteria and silicosis disease.

View Article and Find Full Text PDF

The periodic lateral migration of submicrometer cells is the primary factor leading to low precision in a spiral microchannel during cell isolation. In this study, a mathematical predictive model (PM) is derived for the lateral position of cells during the periodic lateral migration process. We analyze the relationship of migration period, migration width, and starting point of lateral migration with microchannel structure and flow conditions and determine the empirical coefficients in PM.

View Article and Find Full Text PDF

How to reduce the quality loss of aquatic products during storage is a topic worth exploring. This study proposed a method combining orthogonal dual-frequency ultrasound-assisted treatment (20 kHz vertically, 40 kHz horizontally, 400 W) with bioactive coating ( L. essential oil-carboxymethyl chitosan-locust bean gum) and discussed the effects of this combined treatment on the quality, lipid, and protein of large yellow croaker during cold storage (4 °C).

View Article and Find Full Text PDF
Article Synopsis
  • Early-life stress (ES) negatively affects cognitive abilities in female adolescents, with research indicating that specific cell adhesion molecules, NECTIN1 and NECTIN3, might play a role in this dysfunction.
  • In a study using a model of limited bedding, it was found that ES impaired recognition memory and altered the expression of NECTIN1 and NECTIN3, alongside increases in corticotropin-releasing hormone (Crh).
  • The findings suggest that reduced NECTIN3 in the dorsal CA1 area of the hippocampus is linked to memory impairments due to stress, while targeting CRHR1 can enhance NECTIN3 levels and improve memory functions.
View Article and Find Full Text PDF

Ecosystem respiration is a key flux in the terrestrial carbon cycle and is affected substantially by temperature. This work analysed the time series data of nighttime net ecosystem exchange of carbon dioxide (NEE) from 196 FLUXNET2015 sites to re-evaluate the relationships between NEE and temperature. A total of 93 sites (48%) were identified to have a unimodal relationship between NEE and temperature.

View Article and Find Full Text PDF
Article Synopsis
  • Deep transcranial magnetic stimulation (dTMS) is a newer method designed to target larger areas of the brain, but there’s currently limited evidence for its effectiveness in treating obsessive-compulsive disorder (OCD).
  • A meta-analysis of four randomized controlled trials, involving 252 patients, found that active dTMS significantly improved OCD symptoms compared to sham dTMS, with better responses noted on the Yale-Brown Obsessive-Compulsive Scale during and after treatment.
  • The results indicate that dTMS is both effective and safe for patients with treatment-resistant OCD, with no serious adverse events reported and benefits lasting for at least one month after treatment.
View Article and Find Full Text PDF

The direct carboxylation of aldehydes with CO is rare due to the polarity mismatch between these two electrophilic substrates. To address this challenge, we propose a sequential approach for synthesizing α-ketoacids from commercially available aldehydes by integrating umpolung and CO shuttling strategies. This transition metal-free shuttle carboxylation method enables the transfer of CO from triphenylacetic acid potassium salt to thioacetal, eliminating the need for handling pressurized CO gas or using specialized equipment, while also enhancing the reaction's functional group tolerance.

View Article and Find Full Text PDF

Background: Vaccination services are increasingly in demand by the public, and mobile apps are an effective tool to meet that demand. However, the characteristics and quality of these apps are unknown.

Objective: Commonly used vaccination service apps on the market were surveyed with regard to quality, service content, and user experience to evaluate and guide users.

View Article and Find Full Text PDF

Gastrodiae Rhizoma is a valuable traditional Chinese medicine(TCM) and was newly approved as a catalogue species of medicinal and food homologous substances in 2023. The consumption of Gastrodiae Rhizoma as a food has been increasing year by year, and its nutrients content has become a public concern. However, there is a lack of systematic research on its nutrients content.

View Article and Find Full Text PDF

As people's living standards and awareness of health care are increasing in recent years, the demand for the medicinal and food homologous substances is rising. Promoting the healthy development of this industry to meet people's growing demand and popularizing the TCM concept of preventive treatment of diseases are essential for building a healthy China. The abuse of pesticides by some growers in the one-sided pursuit of economic benefits causes serious pesticide residue, which affects the safety and effectiveness of the medicinal and food homologous substances.

View Article and Find Full Text PDF
Article Synopsis
  • The study focused on assessing the use of ulnar artery flaps for repairing soft tissue defects in the oral and maxillofacial regions, involving 12 patients treated between June 2021 and July 2023.
  • Most patients were male (11 out of 12), with ages averaging 54.8, and the majority had squamous cell carcinoma, leading to various defects in the tongue and buccal areas.
  • Post-surgery, there were no vascular crises, all flaps successfully survived, and most donor site wounds healed well, indicating the effectiveness of this surgical approach.
View Article and Find Full Text PDF

Aqueous Zn-metal batteries open up promising prospects for large-scale energy storage due to the advantages of ample components, cost-effectiveness, and safety features. However, the notorious dendritic development and unavoidable hydrogen evolution reaction of Zn have grown to be one of the main barriers inhibiting its further commercialization. Despite substantial studies, the mechanism of nucleation and deposition of Zn ions on zinc layer surfaces remains elusive.

View Article and Find Full Text PDF

Background: microRNAs (miRNAs) were recognized as a promising source of diagnostic biomarker. Herein, we aim to evaluate the performance of an ultrasensitive method for detecting serum miRNAs using single molecule arrays (Simoa).

Methods: In this study, candidate miRNAs were trained and tested by RT-qPCR in a cohort of PTB patients.

View Article and Find Full Text PDF