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1.
Article in English | MEDLINE | ID: mdl-39383020

ABSTRACT

Purpose: This study aimed to investigate the effect of 13-cis retinoic acid (13-cis RA) on human meibomian gland epithelial cells (HMGECs) and explore the potential of using this experimental model as an in vitro approach for studying meibomian gland dysfunction (MGD). Methods: First, HMGECs were cultured with 13-cis RA at different doses and times, and cell viability and proliferation rates were assessed to determine the appropriate stimulation concentration and time. Subsequently, during the proliferation stage, the expression of proliferation, inflammation, and oxidative stress genes and their products were evaluated. The meibum synthesis capacity was determined during the differentiation stage. Additionally, the peroxisome proliferator-activated receptor gamma (PPARγ) antagonist GW9662 was used as a control to assess the impact of 13-cis RA on PPARγ. Results: 13-cis RA significantly inhibited cell viability and proliferation in a time-dose response manner. Under the stimulation of 2 and 5 µM for 48 h during the proliferation stage, a significant decrease was observed in the expression of cell proliferation markers Ki67, antioxidant SOD-2, and Nrf-2. However, the expression of the pro-inflammatory factors IL-1ß, IL-8, MMP9, and oxidative stress markers NOX-4 and reactive oxygen species increased. During the differentiation stage, it suppressed meibum synthesis and the expression of meibocyte differentiation-related proteins adipose differentiation-associated protein 4 (ADFP4), elongation of very long chain fatty acid protein 4 (ELOVL4), sterol regulatory element-binding protein 2 (SREBP-2), and PPARγ. Conclusion: 13-cis RA inhibited cell viability, promoted inflammation and oxidative stress, and suppressed meibum synthesis through the PPARγ pathway. Our study shed light on the effect of 13-cis RA on HMGECs and provided a promising direction for studying MGD in vitro.

2.
Trends Cell Biol ; 2024 Oct 08.
Article in English | MEDLINE | ID: mdl-39384444

ABSTRACT

Mitochondria are signaling hubs that produce immunomodulatory metabolites during the immune response. In addition, mitochondria also facilitate the recruitment and anchoring of immune signaling complexes during infection. Evolutionary conserved signaling intermediate in toll (ECSIT) was initially described as a positive regulator of the transcription factor Nuclear factor kappa-light chain enhancer of activated B cells (NF-κB). More recently, ECSIT has emerged as a regulator of bacterial clearance, mitochondrial reactive oxygen species (mROS), and mitophagy. In addition, ECSIT has been identified as a control point in responding to viral infection and tumorigenesis. Notably, ECSIT loss in different models and cell types has been found to lead to enhanced tumorigenesis. Thus, ECSIT functions as a metabolic tumor suppressor and limits cancer pathogenesis. In this review, we highlight the key functions and crosstalk mechanisms that ECSIT bridges between cell metabolism and immunity and focus then on the antitumor role of ECSIT independent of immunity.

3.
Article in English | MEDLINE | ID: mdl-39367813

ABSTRACT

The most widely used catalyst for the hydrogen evolution reaction (HER) is Pt, but the high cost and low abundance of Pt need to be urgently addressed. Single-atom catalysts (SACs) have been an effective means of improving the utilization of Pt atoms. In this work, we used a nonmetal (NM = B, N, O, F, Si, P, S, Cl, As, Se, Br, Te, and I) doped ß-Mo2C (100) C-termination surface as the support, with Pt atoms dispersed on the support surface to construct Pt@NM-Mo2C. Using density functional theory (DFT) calculations, we selected catalysts with excellent HER activity. Among 117 candidate catalysts, 49 catalysts exhibited ideal catalytic performance with Gibbs free energy of hydrogen intermediate (H*) adsorption (ΔGH*) values less than 0.2 eV. The ΔGH* values of 16 catalysts were even lower than that of Pt (ΔGH* ≈ 0.09 eV), with PtI@N2/4-a-Mo2C demonstrating the best performance (ΔGH* = -0.01 eV). Combined with electronic structure analysis, we could understand the impact of charge transfer between Pt and the underlying NM atoms on the strength of the Pt-H bond, thereby promoting HER activity. Using machine learning (ML), we identified that the primary influencing factors of the HER catalytic activity in the Pt@NM-Mo2C system were the Bader charge transfer of Pt (NePt), the d-band center of Pt (εdPt), and the atomic radius of NM (RNM), with NePt having the greatest impact on the HER catalytic activity.

4.
Article in English | MEDLINE | ID: mdl-39361099

ABSTRACT

The utilization of biomarkers for the diagnosis and management of autism spectrum disorders (ASD) remains a relatively unexplored frontier in clinical practice. Proteomics and metabolomics are important tools for revealing key biomarkers and evaluating biological pathways in ASD. We conducted an individual meta-analysis to compare the consistency of biomarkers of ASD from central nervous system (brain and cerebrospinal fluid), circulatory system (blood), and non-invasive samples (urine, saliva, and faeces) and performed pathway enrichment analyses to identify pathways enriched in ASD. After screening 926 proteomics and 619 metabolomics articles, we collected data from 10 studies involving 940 differential proteins and 16 studies assessing a total of 748 differential metabolites. In brain tissue, blood, and urine of ASD cases and controls, flotillin-2 (FLOT2), apolipoprotein E (ApoE), and EH domain-containing protein 3 (EHD3) exhibit differential expression, while vinculin (VCL) displays variations in saliva, blood, and urine. Similarly, in case-control studies, gelsolin (GSN) shows differential expression in brain tissue, saliva, and urine, and malate dehydrogenase 2 (MDH2) in brain tissue, blood, and saliva. Hippuric acid and salicyluric acid were simultaneously found in the brain, blood, urine, and faeces. In terms of pathways, glycolysis/gluconeogenesis, carbon metabolism, and glutathione metabolism were enriched in the brain as well as in saliva or urine. In our study, we identified six shared protein and two metabolic markers in central nervous system, circulatory system, and non-invasive samples, underscoring their potential value for ASD diagnosis and management, warranting further research.

5.
Biosens Bioelectron ; 266: 116738, 2024 Dec 15.
Article in English | MEDLINE | ID: mdl-39241336

ABSTRACT

An in-situ nanozyme signal tag combined with a DNA-mediated universal antibody-oriented strategy was proposed to establish a high-performance immunosensing platform for Alzheimer's disease (AD)-related biomarker detection. Briefly, a Zr-based metal-organic framework (MOF) with peroxidase (POD)-like activity was synthesized to encapsulating the electroactive molecule methylene blue (MB), and subsequently modified with a layer of gold nanoparticles on its surface. This led to the creation of double POD-like activity nanozymes surrounding the MB molecule to form a nanozyme signal tag. A large number of hydroxyl radicals were generated by the nanozyme signal tag with the help of H2O2, which catalyzed MB molecules in situ to achieve efficient signal amplification. Subsequently, a DNA-aptamer-mediated universal antibody-oriented strategy was proposed to enhance the binding efficiency for the antigen (target). Meanwhile, a poly adenine was incorporated at the end of the aptamer, facilitating binding to the gold electrode and providing anti-fouling properties due to the hydrophilicity of the phosphate group. Under optimal conditions, this platform was successfully employed for highly sensitive detection of AD-associated tau protein and BACE1, achieving limits of detection with concentrations of 3.34 fg/mL and 1.67 fg/mL, respectively. It is worth mentioning that in the tau immunosensing mode, 20 clinical samples from volunteers of varying ages were analyzed, revealing significantly higher tau expression levels in the blood samples of elderly volunteers compared to young volunteers. This suggests that the developed strategy holds great promise for early AD diagnosis.


Subject(s)
Alzheimer Disease , Aptamers, Nucleotide , Biomarkers , Biosensing Techniques , Electrochemical Techniques , Gold , Metal Nanoparticles , tau Proteins , Biosensing Techniques/methods , Humans , Alzheimer Disease/diagnosis , Alzheimer Disease/blood , Electrochemical Techniques/methods , Gold/chemistry , Aptamers, Nucleotide/chemistry , Biomarkers/blood , Metal Nanoparticles/chemistry , tau Proteins/blood , Metal-Organic Frameworks/chemistry , Immunoassay/methods , Limit of Detection , Amyloid Precursor Protein Secretases , Methylene Blue/chemistry , Aspartic Acid Endopeptidases/blood , Hydrogen Peroxide/chemistry , Catalysis
6.
Brain Behav ; 14(10): e70068, 2024 Oct.
Article in English | MEDLINE | ID: mdl-39344400

ABSTRACT

BACKGROUND: We aimed to identify different Guillain-Barré syndrome (GBS) subtypes, demyelination, axonal degeneration, and reversible conduction failure (RCF) as early as possible by analyzing the initial clinical and electrophysiological examinations. METHODS: This study retrospectively collected GBS patients between October 2018 and December 2022 at Beijing Tiantan Hospital. The diagnostic criteria for the initial electrophysiological study were based on Rajabally's criteria, and the criteria for the serial electrophysiological study were based on Uncini's criteria. All subjects underwent clinical and electrophysiological evaluations at least twice within 8 weeks. RESULTS: A total of 47 eligible patients with GBS were included, comprising 19 acute inflammatory demyelinating polyradiculoneuropathy (AIDP), 18 axonal degenerations, and 10 RCFs. In the RCF group, 40%, 30%, and 30% patients were diagnosed as AIDP, axonal, and equivocal at the initial study, respectively. The AIDP group had significantly higher cerebrospinal fluid (CSF) protein than the RCF (123.8 [106.4, 215.1] mg/dL vs. 67.1 [36.8, 85.6] mg/dL, p = 0.002) and axonal degeneration (123.8 [106.4, 215.1] mg/dL vs. 60.8 [34.8, 113.0] mg/dL, p < 0.001) groups. The RCF group had significantly lower Hughes functional grades at admission (3 [2, 4] vs. 4 [4, 4], p = 0.012) and discharge (1.0 [1.0, 2.0] vs. 3.0 [2.0, 3.0], p < 0.001) than the axonal degeneration group and showed significantly shorter distal motor latency (DML), Fmin, Fmean, Fmax, and lower F% than the AIDP group (p < 0.05). DISCUSSION: The early identification of RCF from AIDP had relatively obvious features, including slightly elevated CSF protein levels and normal or slightly prolonged DML and F-wave latencies, contrasting with the apparent elevation and prolongation seen in AIDP. Differentiating RCF from axonal degeneration remains challenging. One potential distinguishing factor is that the motor function in RCF tends to be better than in the latter.


Subject(s)
Guillain-Barre Syndrome , Neural Conduction , Humans , Guillain-Barre Syndrome/diagnosis , Guillain-Barre Syndrome/physiopathology , Guillain-Barre Syndrome/classification , Guillain-Barre Syndrome/cerebrospinal fluid , Female , Male , Middle Aged , Retrospective Studies , Adult , Neural Conduction/physiology , Aged , Electrodiagnosis/methods , Electrodiagnosis/standards , Axons/physiology , Axons/pathology , Young Adult
7.
J Agric Food Chem ; 72(40): 22115-22131, 2024 Oct 09.
Article in English | MEDLINE | ID: mdl-39331469

ABSTRACT

Parkinson's disease (PD) is a neurodegenerative disease characterized by the progressive loss of dopaminergic neurons in the substantia nigra, the etiology of which remains unclear. Studies have shown that neuroinflammation and oxidative stress (OS) play an important role in neuronal damage in patients with PD. Disturbances in the gut microbiota influence neuroinflammation and OS through the microbiota-gut-brain axis. Ginkgolide C (GC), a traditional Chinese medicine extracted from the leaves of Ginkgo biloba, has been reported to exhibit anti-inflammatory effects and the ability to modulate intestinal microbial composition. However, the potential of GC to positively impact PD by modulating the gut microbiota remains unexplored. This study aimed to explore the effects of GC on 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced PD in mice and elucidate its underlying mechanisms. Our findings elucidated that GC treatment significantly ameliorates behavioral deficits as well as pathological damage via restoring gut microbial homeostasis to downgrade OS and neuroinflammation in MPTP-induced PD mice. Mechanistically, GC treatment exerts antioxidant effects via activating the AKT/Nrf2/HO-1 pathway in MPP+-exposed SN4741 neuronal cells and significantly downregulates the expression of inflammatory mediators via regulating NF-κB and MAPK signaling in lipopolysaccharide (LPS)-stimulated BV2 microglial cells. Overall, our study demonstrates that GC administration alleviates MPTP-induced neurodegeneration via rebuilding gut microbial homeostasis to inhibit OS and neuroinflammation in mice, indicating that GC might serve as a promising candidate medicine for PD.


Subject(s)
Gastrointestinal Microbiome , Ginkgolides , Mice, Inbred C57BL , Oxidative Stress , Animals , Gastrointestinal Microbiome/drug effects , Mice , Oxidative Stress/drug effects , Ginkgolides/pharmacology , Ginkgolides/administration & dosage , Male , Humans , Brain-Gut Axis/drug effects , Ginkgo biloba/chemistry , Brain/metabolism , Brain/drug effects , 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine/adverse effects , Neuroinflammatory Diseases/drug therapy , Neuroinflammatory Diseases/metabolism , Bacteria/drug effects , Bacteria/classification , Bacteria/isolation & purification , Bacteria/genetics , Bacteria/metabolism , NF-E2-Related Factor 2/metabolism , NF-E2-Related Factor 2/genetics
8.
Sci Rep ; 14(1): 22086, 2024 09 27.
Article in English | MEDLINE | ID: mdl-39333666

ABSTRACT

This study aims to investigate the potential relationships between the systemic immune-inflammation index (SII) and body mass index (BMI), waist circumference, and the prevalence of obesity. A cross-sectional analysis was conducted on 7,645 individuals aged 20 and above from the NHANES 2017-2020. Multivariate linear regression analyses were conducted to evaluate the association of the logarithmically transformed SII (lgSII) with BMI and waist circumference. Additionally, multivariable logistic regression was utilized to explore the relationship between lgSII and the prevalence of obesity. Fitted smoothing curves and threshold-effect analysis were applied to elucidate nonlinear relationships. In the fully adjusted model, a positive relationship was observed between lgSII and BMI, waist circumference, and obesity prevalence (ß = 3.13, 95% CI 2.10-4.16; ß = 7.81, 95% CI 5.50-10.13; OR = 1.44, 95% CI 1.12-1.86). The variables of gender, age, race, education, marital status, poverty income ratio (PIR), energy intake, sleep disorder, smoking status, and alcohol use did not significantly modify the positive association between lgSII and obesity. However, physical activity appeared to influence the positive correlation between lgSII and obesity. Using a two-segment linear regression model, an inverted U-shaped relationship was observed between lgSII and both BMI and waist circumference. Furthermore, lgSII demonstrated a linear positive correlation with obesity prevalence. When stratified by physical activity, lgSII showed a non-significant negative correlation with obesity in the physically active group. Our findings underscore a robust association between the logarithmically transformed SII and BMI, waist circumference, and the prevalence of obesity.


Subject(s)
Body Mass Index , Inflammation , Obesity , Waist Circumference , Humans , Obesity/epidemiology , Male , Female , Adult , Middle Aged , Prevalence , United States/epidemiology , Cross-Sectional Studies , Inflammation/epidemiology , Nutrition Surveys , Aged , Young Adult , Risk Factors
9.
Front Genet ; 15: 1422469, 2024.
Article in English | MEDLINE | ID: mdl-39315309

ABSTRACT

Background: The Ankyrin Repeat Domain Containing Protein 17 (ANKRD17, OMIM:615929) gene is a protein-coding gene associated with diseases such as Chopra-Amiel-Gordon Syndrome and Non-Specific Syndromic Intellectual Disability. The protein encoded by ANKRD17 gene belongs to the ankyrin repeat-containing protein family, which is one of the most widely existing protein domains that exclusively mediate protein-protein interactions. To date, the research and reports on the ANKRD17 gene are limited. Case presentation: Trio whole exome sequencing (Trio-WES) was conducted on the proband and his unaffected parents to elucidate the genetic etiology in the proband, who was clinically diagnosed with developmental delay and other phenotypes. Subsequently, Sanger sequencing was employed for validation of the identified candidate variant. Furthermore, RNA analysis was utilized to ascertain the impact of the variant on splicing. The WES revealed a novel heterozygous ANKRD17 splicing variant (c.7248 + 1G>A) in the proband, but not detected in his unaffected parents. And the presence of the splicing variant of the ANKRD17 gene was valided by the Sanger sequencing subsequently. And the RNA analysis confirmed that the novel variant was predicted to result in loss of donor splice site, and the analysis at mRNA level confirmed that it leads to exon 32 skipping (r.7100_7278del179) and causes premature termination of translation to the protein (p.D2357fs), therefore is classified as pathogenic. Conclusion: Our study reported a novel splicing variant in ANKRD17 gene, which may be associated with partial eating, frequent urination, and tic syndrome. This finding expands both the phenotypic and genotypic spectrum of ANKRD17 gene. Although there is currently no curative therapy available for ANKRD17 gene variants, a definitive diagnosis of its genetic etiology is significant for genetic counseling and family planning purposes. Furthermore, this is the first reported case of the ANKRD17 gene in China.

10.
Animals (Basel) ; 14(18)2024 Sep 12.
Article in English | MEDLINE | ID: mdl-39335249

ABSTRACT

Canine paraplegia is a common condition in small animal medicine, referred to as Wei Syndrome (WS) in Traditional Chinese Veterinary Medicine (TCVM). Common clinical manifestations encompass hind limb paralysis, motor dysfunction, muscle atrophy, and the absence of pain perception. WS is considered a difficult-to-treat disease in small animal practice. The objective of this study was to investigate the epidemiology of canine WS and the characteristics of hemorheology. A total of 53 dogs with WS and 53 healthy dogs were included in this study. A retrospective case-controlled study design was employed. Data regarding the gender, season of WS occurrence, breed, and age of dogs with WS, as well as hemorheology from dogs with WS and healthy dogs, were collected and analyzed using SPSS 27.0. The study findings revealed that male dogs were more susceptible to WS (77.36%, 41/53). WS cases occurred more frequently in Winter (33.96%, 18/53), and were commonly found in Poodle breeds (43.40%, 23/53). The most affected age of WS was between 3 and 6 years old (54.72%, 29/53). Except for plasma viscosity and fibrinogen, the hemorheology indices of canine WS were significantly higher than those of healthy dogs (p < 0.05), especially in male dogs, Poodles and Bulldogs, those between 3 to 10 years, and in Autumn and Winter. This study provides evidence that male Poodles and Bulldogs aged 3 to 6 years are more prone to developing WS, with Winter being the season of high disease incidence. Abnormal hemorheology is a characteristic feature in dogs with WS, which should be considered during the treatment of WS.

11.
Food Funct ; 15(19): 10121-10135, 2024 Sep 30.
Article in English | MEDLINE | ID: mdl-39291860

ABSTRACT

Background: The mandatory folic acid fortification program in the United States has inevitably exposed most Americans to both natural folate and synthetic folic acid. We aim to examine the association of dietary folate co-exposure patterns with biological aging indicators. Methods: A total of 18 889 participants were enrolled from 2003 to 2018. Dietary intake of folate from diverse sources was evaluated by 24-hour dietary recall. Biological aging indicators were developed based on age-related clinical indicators, including the phenotypic age (PA), Klemera-Doubal method (KDM), homeostatic dysregulation (HD), and allostatic load (AL). The unsupervised K-means clustering method, logistic regression model, and restricted cubic spline (RCS) regression model were used to explore the relationship of natural folate and synthetic folic acid co-exposure with biological aging indicators. Results: The results indicated that higher intake of total folate, dietary folate, and food natural folate was associated with lower PA [OR = 0.75 (0.64, 0.88); OR = 0.79 (0.70, 0.90); OR = 0.65 (0.57, 0.75)], KDM [OR = 0.63 (0.53, 0.75); OR = 0.80 (0.65, 0.98); OR = 0.62 (0.49, 0.77)], HD [OR = 0.69 (0.56, 0.84); OR = 0.78 (0.67, 0.92); OR = 0.78 (0.68, 0.90)], and AL [OR = 0.69 (0.58, 0.82); OR = 0.73 (0.63, 0.85); OR = 0.74 (0.62, 0.90)], consistently. Four co-exposure patterns were generated based on the intake of folate from diverse sources, as follows: "low folate exposure group" to cluster 1, "dietary folate exposure group" to cluster 2, "mixed source high folate exposure group" to cluster 3, and "mixed source excessive folate exposure group" to cluster 4. Compared with cluster 1, participants in cluster 2 are associated with lower biological age indicators (ORPA = 0.82 [0.72, 0.93]; ORKDM = 0.58 [0.47, 0.70]; ORHD = 0.85 [0.75, 0.97]; ORAL = 0.87 [0.77, 0.98]), while participants in cluster 3 and cluster 4 are not. Conclusion: For individuals subjected to folic acid fortification programs, a higher intake of dietary folate, especially natural folate, coupled with a lower consumption of folic acid supplements, was found to be associated with lower biological age indicators.


Subject(s)
Aging , Folic Acid , Nutrition Surveys , Humans , Folic Acid/administration & dosage , Female , Male , Middle Aged , Adult , Diet , United States , Aged , Young Adult
13.
Zhongguo Zhong Yao Za Zhi ; 49(16): 4266-4272, 2024 Aug.
Article in Chinese | MEDLINE | ID: mdl-39307762

ABSTRACT

The group standard Guidelines for construction of traditional Chinese medicine(TCM) pharmacovigilance system in medical institutions, managed by Chinese Association of Chinese Medicine and led by the Institute of Basic Research in Clinical Medicine,China Academy of Chinese Medical Sciences and Dongfang Hospital of Beijing University of Chinese Medicine, was announced on National Group Standard Information Platform on January 16, 2024, with the standard number T/CACM 1563. 2-2024. According to EU pharmacovigilance regulations and the second-level guidance principles of International Council for Harmonization of Technical Requirements for Pharmaceuticals for Human Use(ICH), the unique characteristics of TCM were fully considered, and the relevant systems and procedures for constructing TCM pharmacovigilance systems in medical institutions were clearly defined. This included establishing TCM pharmacovigilance information platforms, arranging staff, formulating various regulations, and monitoring adverse reactions of TCM(including TCM decoction pieces, granules, Chinese patent medicines, in-hospital preparations, and pre-marketed Chinese patent medicines). It aimed to develop a TCM pharmacovigilance system in medical institutions that was tailored to the characteristics of TCM. The system could be appropriately adjusted according to the scope of practice and actual circumstances of medical institutions at different levels. This will enhance the implementation of TCM pharmacovigilance work and safeguard medication safety. The group standard underwent multiple rounds of consultations with internal and external experts and has ultimately evolved into a guiding document applicable to medical institutions and related entities engaged in pharmacovigilance activities.


Subject(s)
Drugs, Chinese Herbal , Medicine, Chinese Traditional , Pharmacovigilance , Humans , Medicine, Chinese Traditional/standards , Drugs, Chinese Herbal/standards , China , Adverse Drug Reaction Reporting Systems/standards , Drug-Related Side Effects and Adverse Reactions/prevention & control
14.
Zhongguo Zhong Yao Za Zhi ; 49(16): 4273-4278, 2024 Aug.
Article in Chinese | MEDLINE | ID: mdl-39307763

ABSTRACT

Oral Chinese patent medicine is the essence of effective prescriptions created and summarized by Chinese medical scientists through thousands of years of medical practice. It is portable and convenient, with an obvious curative effect and other characteristics. However, at present, oral Chinese patent medicine is rich in dosage forms, various in types, complex in mechanism of action, and broad in clinical positioning. In clinical application, there are often cases of drug use without reference to instructions,repeated drug use, and prolonged drug use, which highlights safety problems such as adverse reactions and hepatorenal toxicity. Oral Chinese patent medicine pharmacovigilance is facing challenges. World Health Organization(WHO) has issued the WHO guidelines on safety monitoring of herbal medicines in pharmacovigilance systems, and International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use(ICH) has issued the ICH E2 pharmacovigilance guidelines. The United States has issued the Pharmacovigilance management standards and pharmacoepidemiological assessment guidelines, and the European Union has issued the Guidelines on good pharmacovigilance practices. Japan, South Korea, and other countries in the Asia Pacific region have established their own pharmacovigilance systems, but currently, there are no pharmacovigilance guidelines related to oral Chinese patent medicine in China. Therefore, experts from many disciplines and fields in China were invited to jointly develop the Pharmacovigilance guidelines for clinical application of oral Chinese patent medicines, which aims to develop pharmacovigilance guidelines for clinical application that are consistent with China's national conditions and highlight the characteristics of oral Chinese patent medicine, and provide guidance for clinically safe and rational drug application in medical institutions.


Subject(s)
Drugs, Chinese Herbal , Pharmacovigilance , Humans , Drugs, Chinese Herbal/adverse effects , Drugs, Chinese Herbal/standards , Nonprescription Drugs/adverse effects , Administration, Oral , Medicine, Chinese Traditional/standards , China , Guidelines as Topic
15.
Zhongguo Zhong Yao Za Zhi ; 49(16): 4261-4265, 2024 Aug.
Article in Chinese | MEDLINE | ID: mdl-39307761

ABSTRACT

Drug administration law of the People's Republic of China(2019 revised edition), which came into effect on December 1, 2019, proposed that " the state shall establish a pharmacovigilance system". Pharmacovigilance work of Chinese patent medicines is more difficult, and it is necessary to carry out Pharmacovigilance activities that are in line with the characteristics of Chinese patent medicines. Pharmacovigilance guidelines of Chinese patent medicines(T/CACM 1563. 1-2024), based on the principles of Drug Administration Law of the People's Republic of China(2019 revised edition) and Pharmacovigilance quality management standards(No. 65 of 2021) of the National Medical Products Administration, draws on the EU Pharmacovigilance regulation and the secondary guidelines of International Council for Harmonization of Technical Requirements for Pharmaceuticals for Human Use(ICH), and it is drafted in accordance with the provisions of Guidelines for standardization work part 1: structure and drafting rules of standardization documents(GB/T1. 1-2020) based on the characteristics of Chinese patent medicines. It serves as a general document for a series of pharmacovigilance guidelines of Chinese patent medicines, such as Guidelines for construction of traditional Chinese medicine pharmacovigilance system in medical institutions(T/CACM 1563. 2-2024), Pharmacovigilance guidelines for clinical application of oral Chinese patent medicines(T/CACM 1563. 3-2024), Pharmacovigilance guidelines for clinical application of traditional Chinese medicine injections(T/CACM 1563. 4-2024), Pharmacovigilance guidelines for clinical application of Chinese patent medicines for external use(T/CACM 1563. 5-2024), and Pharmacovigilance guidelines for clinical application of Chinese patent medicines for mucosal administration(T/CACM 1563. 6-2024), including four major elements of pharmacovigilance monitoring and reporting of Chinese patent medicines, signal identification, risk evaluation, and risk control, as well as pharmacovigilance activities for Chinese patent medicines, ensuring the safety of public drug use.


Subject(s)
Drugs, Chinese Herbal , Pharmacovigilance , Humans , China , Drugs, Chinese Herbal/standards , Drugs, Chinese Herbal/adverse effects , Nonprescription Drugs/standards , Nonprescription Drugs/adverse effects , Guidelines as Topic , Drug-Related Side Effects and Adverse Reactions
16.
Zhongguo Zhong Yao Za Zhi ; 49(16): 4291-4297, 2024 Aug.
Article in Chinese | MEDLINE | ID: mdl-39307766

ABSTRACT

The group standard Pharmacovigilance guidelines for clinical application of Chinese patent medicines for mucosal administration was released on January 16, 2024, on the national group standards information platform by the Institute of Basic Research in Clinical Medicine of China Academy of Chinese Medical Sciences and School and Hospital of Stomatology of Peking University, under the centralized management by the China Association of Chinese Medicine. The standard number is T/CACM 1563.6-2024. It aims to propose key elements and specify technical methods for safety monitoring and reporting, signal identification, risk assessment, and risk control based on the Drug administration law of the People's Republic of China(revised in 2019), which establishes normative pharmacovigilance guideline of Chinese patent medicine for mucosal administration that is in line with the characteristics of traditional Chinese Medicine(TCM) based on the pharmacovigilance content for clinical application of Chinese patent medicine for mucosal administration. The group standard has been discussed by internal and external experts through multiple rounds of consultation. It serves as a guiding document for stakeholders involved in pharmacovigilance activities, including pharmaceutical license holders, drug manufacturers, medical institutions, research institutes, and pharmaceutical trading enterprises.


Subject(s)
Drugs, Chinese Herbal , Pharmacovigilance , Humans , Drugs, Chinese Herbal/standards , Drugs, Chinese Herbal/administration & dosage , Drugs, Chinese Herbal/adverse effects , China , Administration, Mucosal , Medicine, Chinese Traditional/standards , Nonprescription Drugs
17.
ChemSusChem ; : e202401486, 2024 Sep 26.
Article in English | MEDLINE | ID: mdl-39324248

ABSTRACT

Cathode prelithium agent is regarded as the most applicable approach to compensate the initial capacity loss in lithium ion batteries (LIBs). Li2NiO2 (LNO) has attracted numerous attention due to its superior environmental stability and reliable synthesis approach. To promote the commercial application of LNO, the understanding of the degradation mechanism induced by air-exposure and finding reliable strategies to improve the air stability are necessary. Herein, by preserving the LNO in different environments (relative humidity of 70% and 40%), the surface chemistry evolution of LNO is subtly investigated, which shows Li2CO3 and LiOH cover the surface of the LNO, which decline the Li+ diffusion kinetics as well as the charge capacity. What's more, the slurry turns gel when the LNO exposed to the environment of 70% relative humidity for 2 days and 40% relative humidity for 5 days. Facile approaches, including washing the deteriorative LNO with ethanol, reacting the alkali components with H3BO3, and coating the LNO with Al2O3 are conducted to recover the disabled LNO, which retains 84.2% of initial capacity. In addition, a coating approach is proposed for the fresh LNO to effectively improve the air stability. This work provides guideline to the commercial application of the LNO.

18.
Adv Sci (Weinh) ; : e2405176, 2024 Sep 17.
Article in English | MEDLINE | ID: mdl-39287070

ABSTRACT

Extracting lithium resources from seawater and brine can promote the development of the new energy materials industry. The electrochemical method is green and efficient. Iron phosphate (FePO4) crystal, with its 1D ion channel, holds significant potential as a primary lithium extraction electrode material. Li+ encounters a substantial concentration disadvantage in brines, and the co-intercalation of Na+ diminishes Li+ selectivity. To address this issue, this work enhances the energy barrier for Na+ insertion through prelithiation strategies applied to the 1D channels of FePO4 crystal, thereby improving Li+ selectivity, and further investigating the prelithiation effect with particle size and morphology control. The results indicate that the Li(4C-40%)FePO4// Activated carbon(AC) system enhances selectivity of lithium. The Li(4C-40%)FePO4 with size diameter of 2500 nm demonstrates an energy consumption of 0.79 Wh mol-1 and a purity of 97.94% for lithium extraction at a unit lithium extraction of 5.93 mmol g-1 in simulated brine. Li(4C-40%)FePO4-nanoplates demonstrate the most optimal lithium extraction performance among the three morphologies due to their lamellar structure's short ion diffusion path in the [010] channel, favoring Li+ diffusion. The diffusion energy barriers of Li+ and Na+ are calculated using Density Functional Theory (DFT) before and after prelithiation, showing good agreement with experimental results.

19.
Sci Rep ; 14(1): 21415, 2024 09 13.
Article in English | MEDLINE | ID: mdl-39271731

ABSTRACT

The frequent relocation of professional football clubs is a phenomenon unique to Chinese professional football, which has long attracted extensive attention from policy makers and scholars. Using data on spatial geography and competitive levels between 1994 and 2021, this research explores the spatial distribution and migration characteristics of top professional football clubs in China, in which GIS spatial analysis and exploratory spatial data analysis (ESDA) were used to analyze the influence of the regional economic, demographic, and developmental levels of the sports industry and institutional supply on the distribution and migration of clubs. The results indicate the following: (1) the overall spatial distribution of professional football clubs in China shows the pattern of "more in the east and less in the west", and the degree of club concentration gradually increases over time; (2) the migration frequency and downward migration of professional football clubs in China gradually decreased during the period of C League and CSL, and the overall situation tends to be stable; and (3) in the early stages of development of professional leagues, changes in ownership and local policy supply had a significant impact on the distribution and migration of professional clubs. As time progressed, the top-down design of institutional arrangements changed, and the regional economic, demographic, and developmental levels of the sports industry gradually became the essential determinants of the distribution and migration of professional football clubs. In the future, Chinese professional football clubs should focus on rationalizing the advantages of the regional economy, demography, and sports industry as well as reducing their reliance on short-term resources, such as corporate investment and policy benefits.


Subject(s)
Soccer , Spatio-Temporal Analysis , China
20.
Sci Total Environ ; 954: 176281, 2024 Sep 13.
Article in English | MEDLINE | ID: mdl-39278507

ABSTRACT

Microplastics (MPs) in the aquatic environment are difficult to degrade naturally due to their hydrophobicity and structure. A variety of engineered degradation methods were developed to treat MPs contamination in the aquatic environment. Current reviews of MPs degradation methods only provided an inventory but lacked systematic comparisons and application recommendations. However, selecting suitable degradation methods for different types of MPs contamination may be more effective. This work examined the present engineered degradation methods for MPs in the aquatic environment. They were categorized into chemical degradation, biodegradation, thermal degradation and photodegradation. These degradation methods were systematically summarized in terms of degradation efficiency, technical limitations and production of environmental hazards. Also, the potential influences of different environmental factors and media on degradation were analyzed, and the selection of degradation methods were suggested from the perspectives of contamination types and degradation mechanisms. Finally, the development trend and challenges for studying MPs engineered degradation were proposed. This work will contribute to a better selection of customized degradation methods for different types of MPs contamination scenarios in aquatic environments.

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