Publications by authors named "Guimei Li"

Background: Multiparous women of advanced maternal age are more susceptible to psychological stress.

Objective: This study examined the impact of mindfulness yoga on psychological well-being (anxiety and sleep quality) and pregnancy outcomes (Apgar scores and adverse perinatal events) in aging multiparous women.

Study Design: Participants meeting the criteria were randomly assigned to a control or a mindfulness yoga intervention group.

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Acquired resistance in cancer remains a significant challenge in oncology, posing obstacles to the efficacy of diverse therapeutic approaches. The nuclear factor-kappa B (NF-κB) signaling pathway plays an important role in the development of drug resistance in tumor cells. Herein, we employed NF-κB inhibitors and cisplatin to synthesize multitarget Pt(IV) antitumor prodrugs.

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Nowadays, hybrid molecule with dual targets activity or effect is regarded as an effective strategy for combating the drug resistance development in cancer therapy. Herein, novel of bifunctional conjugates targeting tubulin and MMPs inhibitors were synthesized. Among them, 15j exhibited robust anticancer activity in vitro and in vivo, with IC values of 0.

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  • - This phase 3 study evaluated a 6-month prolonged release formulation of triptorelin for treating central precocious puberty (CPP) in Chinese children, focusing on its efficacy, safety, and pharmacokinetics.
  • - In an open-label trial involving 66 children (93.9% girls), the treatment successfully suppressed luteinizing hormone (LH) levels in all participants by month 6, with 98.5% maintaining this suppression at month 12, alongside other positive hormone and development outcomes.
  • - The study found that triptorelin had a safety profile similar to previous studies in non-Chinese children, with limited adverse events reported, reinforcing its effectiveness and safety in managing CPP.
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  • - The study evaluated a commercial AI-powered X-ray bone age analyzer's effectiveness compared to the Tanner-Whitehouse 3 (TW-3) method, finding that the AI system is both accurate and efficient in assessing bone age in children and adolescents.
  • - It used radiographs from 900 patients across 30 centers in China, with six doctors independently assessing the images alongside the AI, which performed better on average than one of the raters and matched performance with others in terms of accuracy.
  • - The AI analyzer achieved an impressive mean absolute error (MAE) of around 0.48 years for bone age estimates, suggesting it could enhance clinical workflow by significantly reducing the time required for evaluations.
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Background: Porcine epidemic diarrhea virus (PEDV) is a highly contagious coronavirus that causes severe diarrhea and death in neonatal piglets, which has brought huge economic losses to the pork industry worldwide since its first discovery in the early 1970s in Europe. Passive immunization with neutralizing antibodies against PEDV is an effective prevention measure. To date, there are no effective therapeutic drugs to treat the PEDV infection.

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Blood microbiome signatures in patients with type 1 diabetes (T1D) remain unclear. We profile blood microbiome using 16S rRNA gene sequencing in 77 controls and 64 children with new-onset T1D, and compared it with the gut and oral microbiomes. The blood microbiome of patients with T1D is characterized by increased diversity and perturbed microbial features, with a significant increase in potentially pathogenic bacteria compared with controls.

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Promising targeted therapy options to overcome drug resistance and side effects caused by platinum(II) drugs for treatment in hepatocellular carcinoma are urgently needed. Herein, six novel multifunctional platinum(IV) complexes through linking platinum(II) agents and glycyrrhetinic acid (GA) were designed and synthesized. Among them, complex showed superior antitumor activity against tested cancer cells including cisplatin resistance cells than cisplatin and simultaneously displayed good liver-targeting ability.

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Although cisplatin has been widely used for clinical purposes, its application is limited due to its obvious side effects. To mitigate the defects of cisplatin, here, six "multitarget prodrugs" were synthesized by linking cisplatin and NF-κB inhibitors. Notably, complex demonstrated a 63-fold enhancement in the activity against A549/CDDP cells with lower toxicity toward normal LO2 cells compared to cisplatin.

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Background: X-linked hypophosphatemia (XLHR) is the most common genetic form of hypophosphatemic rickets (HR), which is caused by phosphate regulating endopeptidase homolog X-linked (PHEX) gene mutation. At present, the genotype-phenotype relationship of XLHR and the pathogenic role of PHEX are not fully understood.

Methods: In this study, we summarized clinical features in a new cohort of 49 HR patients and detected 16 novel PHEX and 5 novel non-PHEX variants.

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Domestic dogs have great potential to expand our understanding of the determinants of aging. To understand the aging pattern of domestic dogs and evaluate whether they can be used as an aging model, we performed RNA sequencing on white blood cells from domestic dogs aged 1-9 years and treated aged dogs with classical antiaging approaches. We obtained 30 RNA sequencing libraries and identified 61 age-associated genes with dynamic changes, the majority of which were related to metabolism and immune function, which may be predominant biomarkers for aging in dogs.

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Tumor antigen-specific CD8 T cells from draining lymph nodes gain an accumulating importance in mounting anti-tumor immune response during tumorigenesis. However, in many cases, cancer cells form metastatic loci in lymph nodes before further metastasizing to distant organs. To what extent the local and systematic CD8 T cell responses were influenced by LN metastasis remains obscure.

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To ameliorate the defects including serious side effects and drug resistance of Pt(II) drugs (e.g., cisplatin and oxaliplatin), here a novel of "dual-prodrug" by containing Pt(II) drugs and NF-κB inhibitors were synthesized and characterized.

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Asthma associated with obesity is a chronic disease that poses a threat to health in children and results in severe wheezing, earlier airway remodeling and increased insensitivity to hormone therapy compared with those who only have asthma. Despite its clinical importance, knowledge on the underlying mechanisms of this disease is limited. The present study aimed to elucidate the pathogenesis of asthma associated with obesity using a murine model.

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Objective: To investigate whether differences exist in attention deficit hyperactivity disorder (ADHD) and intelligence between children born by cesarean delivery and those born by vaginal delivery.

Methods: This retrospective study included singleton children that were born between January 2013 and December 2014. The Chinese version of the Conners' Parent Rating Scale-Revised (CPRS-48) was required on the probability of psychological and behavioral problems.

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Background: Patients with Prader-Willi syndrome (PWS) have a reduced life expectancy due to inflammation-related disease including cardiovascular disease and diabetes. Abnormal activation of peripheral immune system is postulated as a contributor. However, detailed features of the peripheral immune cells in PWS have not been fully elucidated.

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Article Synopsis
  • Pseudorabies (PR) is a serious disease affecting pigs, and new variant strains of the virus have emerged since 2011, creating a need for better vaccination strategies.
  • This study aimed to develop new live attenuated and subunit vaccines targeting these PRV variant strains using genetically altered viruses and proteins.
  • Results showed that the new vaccines significantly increased antibody levels and provided full protection against PRV variant infections in tested rabbits, demonstrating their potential effectiveness.
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Background: Fibroblast growth factor 19 (FGF19) takes part in maintaining the balance of glycolipids and may be involved in complications of type 1 diabetes(T1D) in children. This study aimed at at evaluating the relationship among the levels of serum FGF19 and vascular endothelial growth factor(VEGF)and soluble klotho protein(sklotho) in type 1 diabetic children.

Methods: In a cross-section single center study samples were obtained from 96 subjects: 66 T1D and 30 healthy children.

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Phage therapy is revitalized as an alternative to antibiotics therapy against antimicrobials resistant pathogens. Mycobacteriophages are genetically diverse viruses that can specifically infect Mycobacterium genus including Mycobacterium tuberculosis and Mycobacterium smegmatis. Here, we isolated and annotated the genome of a mycobacteriophage Lang, a temperate mycobacteriophage isolated from the soil of Hohhot, Inner Mongolia, China, by using Mycolicibacterium smegmatis mc 155 as the host.

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Context: The evidence of long-term polyethylene glycol recombinant human GH (PEG-rhGH) in pediatric GH deficiency (GHD) is limited.

Objective: This study aimed to examine the effectiveness and safety of long-term PEG-rhGH in children with GHD in the real world, as well as to examine the effects of dose on patient outcomes.

Design: A prospective, observational, posttrial study (NCT03290235).

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Objective: A 3-month depot of leuprorelin acetate (LA) was introduced in China in July 2020. However, the clinical experience is limited. The purpose of this study was to compare the efficacy of a LA 11.

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The process of domestication has led to dramatic differences in behavioral traits between domestic dogs and gray wolves. Whole-genome research found that a class of putative positively selected genes were related to various aspects of learning and memory, such as long-term potentiation and long-term depression. In this study, we constructed a single-nucleus transcriptomic atlas of the dog hippocampus to illustrate its cell types, cell lineage and molecular features.

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To investigate the effects of growth hormone (GH) on pubertal obese male rats, a rat model of high-fat diet-induced obesity was established in juvenile male rats. The model rats were divided into the treatment group (GH) and the non-treatment group (physiological saline). After 4 weeks, we measured the levels of alanine transaminase (ALT), aspartate aminotransferase (AST), total cholesterol (TC), triglycerides (TGs), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), estrogen (E2), testosterone (T), and insulin-like growth factor (IGF-1).

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Prader-Willi syndrome (PWS) is a rare congenital disease with genetic alterations in chromosome 15. Although genetic disorders and DNA methylation abnormalities involved in PWS have been investigated to a significant degree, other anomalies such as those in erythrocytes may occur and these have not been clearly elucidated. In the present study, we uncovered slight anemia in children with PWS that was associated with increased red blood cell (RBC) distribution width (RDW) and contrarily reduced hematocrit (HCT) values.

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