Publications by authors named "Quanbo Liu"

Both bulk RNA-sequencing and GEO database upon chemotherapy to non-small cell lung cancer (NSCLC) cells reveal that ZNF131 (Zinc Finger Protein 131) maybe a crucial transcriptional factor involved. However, it is a recently discovered protein with largely unexplored expression patterns and biological functions. Bioinformatics analyses and immunohistochemistry staining were assessed to detect both mRNA and protein levels of ZNF131 in NSCLC specimens and cell lines.

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  • Traditional meniscectomy or suture techniques often lead to unsuccessful self-healing of meniscal tears and can worsen cartilage degeneration and osteoarthritis.
  • A new therapeutic approach using CD56 umbilical cord mesenchymal stem cells encapsulated in a modified decellularized Wharton's Jelly hydrogel (DWJH/CD56Exos) has shown promising potential for enhancing meniscal tear healing.
  • In both in vitro and in vivo studies, the DWJH/CD56Exos demonstrated excellent biocompatibility, supported chondrogenesis, promoted meniscal tissue regeneration, and helped prevent further cartilage degeneration in the knee.
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Objective: This study aimed to investigate the pathogen epidemiology of community-acquired pneumonia (CAP) among children in Southwest China before, during and after the COVID-19 non-pharmaceutical interventions (NPIs).

Methods: Pathogen data of hospitalised children with CAP, including multiple direct immunofluorescence test for seven viruses, bacterial culture and polymerase chain reaction (PCR) for Mycoplasma pneumoniae, were analysed across three phases: Phase I (pre-NPIs: 1 January 2019 to 31 December 2019), Phase II (NPI period: 1 January 2020 to 31 December 2020) and Phase III (post-NPIs: 1 January 2023 to 31 December 2023).

Results: A total of 7533 cases were enrolled, including 2444, 1642 and 3447 individuals in Phases I, II and III, respectively.

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Vascular injury following spinal cord injury (SCI) can significantly exacerbate secondary SCI and result in neurological dysfunction. Strategies targeting angiogenesis have demonstrated potential in enhancing functional recovery post-SCI. In the context of angiogenesis, the CD146 and CD271 subpopulations of mesenchymal stem cells (MSCs) have been recognized for their angiogenic capabilities in tissue repair.

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Spinal cord injury (SCI) results in neural tissue damage. However, the limited regenerative capacity of adult mammals' axons upon SCI leads to persistent neurological dysfunction. Thus, exploring the pathways that can enhance axon regeneration in injured spinal cord is of great significance.

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  • Limited research on neonatal tuberculosis (TB) highlights the clinical features and treatment outcomes for this population, which were examined through a retrospective study of 48 cases from 2010 to 2020.
  • The study found that congenital TB was more common than postnatal TB, and diagnostic tools like IGRA and Xpert MTB/RIF were effective in detecting the disease, while CT scans were superior to X-rays for identifying lymphadenopathy.
  • Following treatment, a high percentage (91.7%) of infants improved or were cured, though a significant number experienced drug-induced liver injury, emphasizing the need for careful monitoring during therapy.
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Spinal cord injury (SCI) disrupts the blood-spinal cord barrier (BSCB), potentially exacerbating nerve damage and emphasizing the criticality of preserving the BSCB integrity during SCI treatment. This study explores an alternative therapeutic approach for SCI by identifying a subpopulation of exosomes with stable BSCB function and achieving a specific targeted delivery. Specific subpopulations of CD146CD271 umbilical cord mesenchymal stem cells (UCMSCs) were isolated, from which engineered exosomes (RGD-CD146CD271 UCMSC-Exos) with targeted neovascularization function were obtained through gene transfection.

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Objectives: To explore the effects of tuberculosis (TB) infection at different sites on anthropometric indicators, malnutrition and anemia incidence in children in Southwest China.

Methods: From January 2012 to December 2021, a total of 368 children aged 1 month to 16 years were enrolled. According to the sites of TB infection, they were divided into three groups: tuberculous meningitis (T group), tuberculous meningitis complicated withpulmonary tuberculosis (TP group), and tuberculous meningitis complicated with pulmonary tuberculosis and abdominal tuberculosis (TPA group).

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Background: Contemporary data on atrial cardiomyopathy (ACM) markers and ischemic cerebrovascular events (ICVE) in patients with acute myocardial infarction (AMI) is lacking. We aimed to examine whether ACM markers predict ICVE among AMI patients.

Materials And Methods: A total of 4,206 AMI cases diagnosed in clinical examinations between January 2016 and June 2021 were assessed for markers of ACM including B-type natriuretic peptide (BNP), P-wave terminal force in ECG lead V1 (PTFV1), and left atrium diameter (LAD).

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  • This study investigates the risk factors for left atrial thrombus (LAT) and left atrial spontaneous echo contrast (LASEC) in patients with non-valvular atrial fibrillation (NVAF) who have low or borderline CHADS-VASc scores.
  • A total of 834 NVAF patients were analyzed using logistic regression to identify risk factors, resulting in a nomogram that predicts LAT/SEC risk based on age, left ventricular ejection fraction, left atrial diameter, smoking, non-paroxysmal AF, and E/e' ratio.
  • The nomogram demonstrated strong predictive capabilities, with area under the curve values of 0.839 and 0.811, indicating its potential clinical utility for
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Background: New-onset atrial fibrillation (NOAF) after acute myocardial infarction (AMI) is common and independently correlated with poor prognosis. The purpose of this study is to explore whether atrial cardiomyopathy (ACM) markers improve NOAF risk assessment and contribute to therapy decision-making to improve prognosis.

Methods: We retrospectively analyzed 4713 patients with AMI without a documented history of atrial fibrillation (AF).

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Objective: Pediatric tuberculosis (TB) is one of the top ten causes of death in children. Our study was to analyze influencing factors of multidrug-resistant tuberculosis (MDR-TB) and validation of whole-genome sequencing (WGS) used in children with drug-resistant TB (DR-TB).

Methods: All (Mtb) strains were isolated from patients aged below 18 years old of Children's Hospital of Chongqing Medical University, China.

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The predictive power of the CHADS and CHADS-VASc scores for the presence of Left atrial thrombus (LAT)/ spontaneous echo contrast (SEC) in non-valvular atrial fibrillation (NVAF) is modest. The aim of this analysis is to define clinical and ultrasonic variables associated with LAT/SEC and to propose nomograms for individual risk prediction. Data on 1,813 consecutive NVAF patients who underwent transesophageal echocardiography (TEE) from January 2016 to January 2021 were collected.

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  • The study investigated the clinical features of children infected with COVID-19 compared to other respiratory infections like RSV, Influenza, and adenovirus, focusing on symptoms and cytokine profiles.
  • It involved 20 COVID-19 positive hospitalized children, 58 with other acute respiratory tract infections, and 20 healthy controls, with data collected on clinical symptoms and blood test results.
  • Findings revealed that COVID-19 patients were older and had milder symptoms than those with other infections, along with notable differences in immune response indicated by cytokine levels.
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Objective: To study the clinical features of infection in children with secondary immunodeficiency disease (SID) versus primary immunodeficiency disease (PID).

Methods: A retrospective analysis was performed on the medical data of children with immunodeficiency and infection (36 children with SID and 52 with PID) and 108 children with infection but without immunodeficiency (control group).

Results: The onset age in the PID group was significantly lower than those in the control and SID groups ( < 0.

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Objectives: Linezolid (LNZ) has recently been listed by the World Health Organization (WHO) as a Group A agent for the treatment of multidrug-resistant tuberculosis (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB) in longer regimens (18-20 months). However, little is known about the safety of LNZ in longer TB treatment regimens in children.

Methods: Here we report 31 children who received LNZ treatment for drug-resistant tuberculosis (DR-TB) and extensive tuberculosis in the Children's Hospital of Chongqing Medical University, China, during September 2016 to March 2019.

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Background: Herpangina is a common infectious disease in childhood caused by an enterovirus. This consensus is aiming to standardize and improve herpangina prevention and clinical diagnosis.

Methods: The Subspecialty Group of Infectious Diseases, the Society of Pediatric, Chinese Medical Association and Nation Medical Quality Control Center for Infectious Diseases gathered 20 experts to develop the consensus, who are specialized in diagnosis and treatment of herpangina.

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Hepatitis B virus (HBV) study is hampered by lacking of idea cell model which support effective HBV infection and meanwhile recapitulate hepatocyte biology function in vivo. In this study, we developed decellularized human liver scaffolds for cell culture and further applied for HBV infection. As a result, primary human hepatocytes (PHHs) engrafted into liver scaffolds and maintained differentiation with stable albumin secretion and liver-specific gene expression.

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  • A 64-year-old woman with a long history of nasopharyngeal carcinoma was diagnosed with NK/T-cell lymphoma after presenting with swollen lymph nodes and persistent fever.
  • During her treatment, she developed SIADH, which resulted in low sodium levels due to excessive antidiuretic hormone secretion.
  • Despite treatment to correct her sodium levels, her health deteriorated, leading to severe infections and ultimately respiratory failure; this case highlights the need for careful monitoring of electrolytes in similar lymphoma patients.
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Background: FAM98A, a novel protein, is expressed in ovarian and colorectal cancer tissues. However, the association between FAM98A expression and the clinicopathological characteristics of non-small cell lung cancer (NSCLC) remains undetermined.

Materials And Methods: The FAM98A expression pattern was determined in NSCLC samples and corresponding adjacent normal lung tissues using immunohistochemical staining and Western blotting.

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Hand-foot-and-mouth disease (HFMD) is a common childhood infection that may lead to serious complications and even death. Globally, epidemics of HFMD are increasing each year, especially in China. This study aimed to identify risk factors for death in children with critical and severe HFMD in Chongqing, China.

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  • This study investigates how the human enterovirus 71 (EV71) enters neuroblastoma SK-N-SH cells, focusing on specific cellular mechanisms.
  • Researchers used chlorpromazine (CPZ) and nystatin (NT) to treat the cells and utilized techniques like qRT-PCR and immunofluorescence microscopy to analyze the impacts on EV71 infection.
  • The findings indicated that CPZ significantly reduced EV71 mRNA and viral protein levels, suggesting that EV71 enters the cells primarily through clathrin-mediated endocytosis, while NT showed no effects on the infection.
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To investigate the effect of vitamin A and Zn supplementation on vitamin A status, haemoglobin level and defecation of children with persistent diarrhea, a total of 160 paediatric patients were randomly assigned to one of four intervention groups: daily supplementation of 1,500 IU VA for 14 days; daily Zn supplementation for 14 days; daily supplementation with both VA and Zn for 14 days; no supplementation. One hundred twenty-seven children with persistent diarrhea finished intervention (33 were lost to follow-up). Among the 127 children, 41 (32.

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Objective: To summarize the clinical characteristics of whooping cough in children and analyze the risk factors for severe whooping cough.

Method: A retrospective analysis was made on the clinical data of 247 children with whooping cough in Children's Hospital of Chongqing Medical University between Jan 2013 and Dec 2014. Of these patients, 126 were male, 121 were female, the median age was 3.

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Synopsis of recent research by authors named "Quanbo Liu"

  • - Quanbo Liu's recent research focuses on innovative therapeutic strategies for injuries and diseases involving mesenchymal stem cells and their secreted exosomes, including applications for meniscus tear healing, spinal cord injury, and respiratory infections in children.
  • - Liu's studies have highlighted the significant role of specific MSC subpopulations, such as CD56 umbilical cord and CD271CD146 bone marrow-derived exosomes, in promoting tissue repair and regeneration, particularly in the context of spinal cord injuries and meniscus tears.
  • - Additionally, Liu has contributed to pediatric research by exploring the epidemiology of community-acquired pneumonia pathogens and the clinical features of conditions like tuberculosis and hand-foot-and-mouth disease among children, providing valuable insights for improved diagnosis and treatment.

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