Publications by authors named "Huixia Gao"

Objective: Supplementing animal feed with Allium mongolicum Regel powder (AMRP) additives can promote muscle production and improve meat quality. Here, we explored the effects of dietary AMRP supplementation on the performance, meat quality, and muscle transcriptome profile of Angus calves.

Methods: Twelve healthy black Angus calves (female, average body weight = 280.

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Heterosexual transmission (HETE) represents the predominant method of transmission for the human immunodeficiency virus type 1 (HIV-1) in Shijiazhuang, Hebei Province, China. The number of circulating recombinant forms (CRFs) and unique recombinant forms (URFs) continues to increase in this region. In the present study, two novel URFs (TFH010919 and TFH010944) were identified, both derived from HETEs in the Shijiazhuang area.

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The immune status of Coronavirus disease 2019 (COVID-19) patients in different stages of infection remains difficult to determine. In this study, we performed high-throughput single-cell mass cytometry on peripheral blood samples from 10 COVID-19 patients and four healthy donors to analyze their immune status at acute and convalescence phases. During the acute stage, the proportion of neutrophils increased significantly while natural killer (NK) cells decreased.

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Objective: The aim of this study was to explore the clinical characteristics of patients infected with different Omicron subvariants presenting non-severe disease, evaluate the safety and efficacy of Azvudine for treatment of COVID-19, in order to broaden understanding of Omicron subvariant infections.

Method: A total of 244 individuals with Omicron subvariant (BA.2.

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Humoral immunity plays a critical role in clearing SARS-CoV-2 during viral invasion. However, the proteome-wide characteristics of antibody responses in individuals infected with Omicron variant, both asymptomatic and symptomatic, remain poorly understood. We profiled the serum antibodies from 108 individuals, including healthy controls and those infected with Omicron BA.

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Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and first identified in Wuhan, China, in December 2019, has led to global efforts in vaccination to mitigate rising morbidity and mortality, with vaccines proving crucial in controlling the pandemic. This study evaluated the humoral responses to the inactivated virus vaccine Sinopharm or Koxing Kerlafor, the protein subunit vaccine ZF001, and the adenoviral vector vaccine Convidecia after 18 months of inactivated virus vaccination by heterologous and homologous booster vaccination in patients with previous SARS-CoV-2 infection and healthy individuals. We discovered that patients who had recovered from the infection and then received a third vaccine dose (booster) exhibited durable immunity.

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The effect of Regel bulb powder (AMRP) supplementation on the flavour of beef from Angus calves has not been investigated thus far. We used GC-IMS and untargeted lipidomics techniques to examine the volatile compound and lipid metabolic profiles and reveal the effects of dietary AMRP supplementation on the flavour of beef. A total of 6 characteristic volatile compounds and 30 key lipid compounds were identified in the AMRP treatment group.

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The escalating frequency of environmental pollution incidents has raised significant concerns regarding the potential health impacts of pollutant fluctuations. Consequently, a comprehensive study on the role of pollutants in the prevalence of viral hepatitis is indispensable for the advancement of innovative prevention strategies. Monthly incidence rates of viral hepatitis from 2005 to 2020 were sourced from the Chinese Center for Disease Control and Prevention Infectious Disease Surveillance Information System.

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Article Synopsis
  • The study analyzed the characteristics of SARS-CoV-2 infections and reinfections in healthcare workers (HCWs) after vaccination and emergence of the Omicron variant between December 2022 and July 2023.
  • It found a reinfection rate of 26.1% among 760 HCWs, with symptoms during reinfection including high rates of fever, cough, and sore throat, and a median reinfection interval of 152 days.
  • The study concluded that while reinfections tend to have milder symptoms, there is still a significant reinfection rate, highlighting the need for improved infection prevention strategies within healthcare settings.
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Objective: To investigate the effects of repeated vaccination with ancestral SARS-CoV-2 (Wuhan-hu-1)-based inactivated, recombinant protein subunit or vector-based vaccines on the neutralizing antibody response to Omicron subvariants.

Methods: Individuals who received four-dose vaccinations with the Wuhan-hu-1 strain, individuals who were infected with the BA.5 variant alone without prior vaccination, and individuals who experienced a BA.

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Article Synopsis
  • SARS-CoV-2 variants are emerging and challenging the immunity gained from previous infections and vaccinations, prompting a study on antibody responses over six months.* -
  • The research shows that most vaccinated or previously infected individuals develop antibodies against several variants, but there is significant immune evasion with newer strains like XBB.1.5, EG.5.1, and BA.2.86 compared to the original virus.* -
  • Around 57% of individuals in the study experienced re-infection, which boosted their antibody levels, suggesting that repeated exposure may enhance immunity against these evolving variants.*
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The aim of this study was to investigate the effects of dietary Allium mongolicum Regel powder (AMRP) supplementation on the growth performance, meat quality, antioxidant capacity and muscle fibre characteristics of fattening Angus calves. Growth performance data and longissimus thoracis (LT) samples were collected from four groups of fattening Angus, which were fed either a basal diet (CON) or a basal diet supplemented with an AMRP dose of 10 (LAMR), 15 (MAMR), or 20 g/animal/day AMRP (HAMR) for 120 days before slaughter. AMRP addition to the feed improved growth performance and meat quality and altered muscle fibre type.

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Fresh Regel (FA) and dried Regel (DA) are significantly different in antioxidant activity. However, the relevant mechanisms have not yet been explored. We evaluated the antioxidant activities of two varieties of FA and DA and characterized their metabolites using targeted metabolomics.

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The Yang-Lee edge singularity was originally studied from the standpoint of mathematical foundations of phase transitions. However, direct observation of anomalous scaling with the negative scaling dimension has remained elusive due to an imaginary magnetic field required for the nonunitary criticality. We experimentally implement an imaginary magnetic field with an open quantum system of heralded single photons, directly measure the partition function, and demonstrate the Yang-Lee edge singularity via the quantum-classical correspondence.

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There is a paucity of data on hybrid immunity (vaccination plus breakthrough infection [BI]), especially cell-mediated responses to Omicron among immunosuppressed patients. We aim to investigate humoral and cellular responses to Omicron BA.4/5 among people living with HIV (PLWH) with/without BIs, the most prevalent variant of concern after the reopening of China.

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Objectives: The COVID-19 pandemic imposed an enormous disease and economic burden worldwide. SARS-CoV-2 vaccination is essential to containing the pandemic. People living with HIV (PLWH) may be more vulnerable to severe COVID-19 outcomes; thus, understanding their vaccination willingness and influencing factors is helpful in developing targeted vaccination strategies.

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Background: Accurate histologic and molecular genetic diagnosis is critical for the pathogenesis study of pediatric patients with lymphoblastic lymphoma (LBL). Optical genome mapping (OGM) as all-in-one process allows the detection of most major genomic risk markers, which addresses some of the limitations associated with conventional cytogenomic testing, such as low resolution and throughput, difficulty in ascertaining genomic localization, and orientation of segments in duplication, inversions, and insertions. Here, for the first time, we examined the cytogenetics of 5 children with LBL using OGM.

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Purpose: The hyperinflammatory response is one of the main complications associated with novel coronavirus disease 2019 (COVID-19), and there is no effective treatment for cytokine storm. Therefore, it is important to investigate the key genes associated with severity of the disease.

Methods: In this study, we used a microarray data set to analyze the key genes associated with severe illness in patients with COVID-19.

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Objectives: Pseudomonas aeruginosa has intrinsic antibiotic resistance and the strong ability to acquire additional resistance genes. However, a limited number of investigations provide detailed modular structure dissection and evolutionary analysis of accessory genetic elements (AGEs) and associated resistance genes (ARGs) in P. aeruginosa isolates.

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Background: Evidence shows that genetic factors play important roles in the severity of coronavirus disease 2019 (COVID-19). Sulfatase modifying factor 1 (SUMF1) gene is involved in alveolar damage and systemic inflammatory response. Therefore, we speculate that it may play a key role in COVID-19.

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Background: To date, several types of laboratory tests for coronavirus disease 2019 (COVID-19) diagnosis have been developed. However, the clinical importance of serum severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) nucleocapsid antigen (N-Ag) remains to be fully elucidated. In this study, we sought to investigate the value of serum SARS-CoV-2 N-Ag for COVID-19 diagnosis and to analyze N-Ag characteristics in COVID-19 individuals.

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Background & Aims: Liver fibrosis is an intrinsic wound-healing response to chronic injury and the major cause of liver-related morbidity and mortality worldwide. However, no effective diagnostic or therapeutic strategies are available, owing to its poorly characterized molecular etiology. We aimed to elucidate the mechanisms underlying liver fibrogenesis.

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The continued emergence of SARS-CoV-2 variants of concern (VOCs) has raised great challenges for epidemic prevention and control. A rapid, sensitive, and on-site SARS-CoV-2 genotyping technique is urgently needed for individual diagnosis and routine surveillance. Here, a field-deployable ultrasensitive CRISPR-based diagnostics system, called Chemical additive-Enhanced Single-Step Accurate CRISPR/Cas13 Testing system (CESSAT), for simultaneous screening of SARS-CoV-2 and its five VOCs (Alpha, Beta, Gamma, Delta, and Omicron) within 40 min was reported.

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Booster immunizations and breakthrough infections can elicit severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron subvariant neutralizing activity. However, the durability of the neutralization response is unknown. We characterize the sensitivity of BA.

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