Publications by authors named "Zhao Jianguo"

Brown adipose tissue (BAT) is responsible for non-shivering thermogenesis, but it is absent in some mammals, including pigs. During development, BAT progenitors are derived from paired box 7 (Pax7)-expressing somitic mesodermal stem cells, which also give rise to skeletal muscle. However, the intrinsic mechanisms underlying the fate decisions between brown fat and muscle progenitors remain elusive.

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  • The electrocatalyst structure developed in this study enhances catalytic activity and structural stability for sulfur reduction in lithium-sulfur batteries.
  • The innovative design encapsulates bimetallic FeCo nanoalloy catalysts within N-doped carbon nanotubes on carbon nanofibers, improving electron transport and providing protection during reactions.
  • The resulting battery demonstrates exceptional performance, achieving 500 cycles with minimal capacity fade and maintaining effective operation under extreme temperature conditions.
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The pig is an important model for studying human diseases and is also a significant livestock species, yet its testicular development remains underexplored. Here, we employ single-cell RNA sequencing to characterize the transcriptomic landscapes across multiple developmental stages of Bama pig testes from fetal stage through infancy, puberty to adulthood, and made comparisons with those of humans and mice. We reveal an exceptionally early onset of porcine meiosis shortly after birth, and identify a distinct subtype of porcine spermatogonia resembling transcriptome state 0 spermatogonial stem cells identified in humans, which were previously thought to be primate specific.

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The synergistic effect of two metallic elements in metal sulfides is regarded as a promising route for constructing advanced anodes for sodium-ion batteries (SIBs). However, the explorations of intricate interactions and structural evolution in host material are often overlooked, which are crucial for the performance optimization. Herein, a bimetallic sulfide CuFeS and FeS/CuS heterostructure with similar hollow nanorods morphology is obtained by regulating sulfuration conditions.

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Background: Geranyllinalool, a natural diterpenoid found in plants, has a floral and woody aroma, making it valuable in flavors and fragrances. Currently, its synthesis primarily depends on chemical methods, which are environmentally harmful and economically unsustainable. Microbial synthesis through metabolic engineering has shown potential for producing geranyllinalool.

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With its compactness and foldability, origami has recently been applied to robotic systems to enable versatile robots and mechanisms while maintaining a low weight and compact form. This work investigates how to generate different motions and shapes for origami by tuning its creases' stiffness on the fly. The stiffness tuning is realized by a composite material made by sandwiching a thermoplastic layer between two shape memory polymer layers.

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Background: From January 2020 to June 2022, strict interventions against COVID-19 were implemented in Guangdong Province, China. However, the evolution of COVID-19 dynamics remained unclear in this period.

Objectives: This study aims to investigate the evolution of within- and between-city COVID-19 dynamics in Guangdong, specifically during the implementation of rigorous prevention and control measures.

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  • * Higher levels of NTRK2 protein were found in breast cancer tissues compared to normal tissues, suggesting it could be a risk factor for patient prognosis.
  • * Patients with high NTRK2 expression showed better responses to certain chemotherapy drugs and increased effectiveness of immunotherapy treatments.
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  • African swine fever (ASF) is a viral disease affecting pigs and wild boars, caused by the African swine fever virus (ASFV), and there is currently no effective vaccine available.
  • The study focuses on the structural protein p49, essential for ASFV’s capsid structure, and identifies it as a potential vaccine target by generating monoclonal antibodies (mAbs) using the hybridoma technique.
  • It was revealed that specific segments of the p49 protein (B4 and B5) contain major B cell epitopes which are conserved across ASFV strains, potentially aiding in the development of ASF vaccines.
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Developing a multi-functional green energy device that propels sustainable energy development and concurrently purifies environmental pollutants offers an irresistibly compelling vision for a cleaner future. Herein, we reported a bias-free glucose/O bio-photoelectrochemical system (BPECS) for both energy conversion and phenolic pollutants degradation. Coupling a glucose dehydrogenase (GDH) modified self-assembled meso-tetrakis (4-carboxyphenyl)-porphyrin (SA-TCPP)-sensitized TiO biophotoanode for glucose oxidation and nitrogen/oxygen doped cobalt single-atom catalyst (CoNOC) cathode for two-electron oxygen reduction, both solar and biochemical energies were converted into electric power in BPECS with a maximum power density of 296.

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The implementation of the environmental protection tax (EPT) is a crucial step in the tasks of achieving the "double-carbon" objective and fostering comprehensive green economic and social growth. The literature on the effect of EPT policies has focused mainly on environmental effects and economic effects and has rarely paid attention to social effects, such as the impact of such policies on employment. By reference to data regarding pollution-intensive listed companies in China from 2014 to 2022, this article uses the 2018 EPT reform as a quasi-natural experiment to explore the effects of EPT on employment within these industries.

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  • The study investigates how the pseudorabies virus (PRV) uses its US2 protein to undermine the host's antiviral immune response, specifically targeting the cGAS-STING signaling pathway.
  • It was found that US2 interacts with STING, leading to its degradation through a process called ubiquitination, thereby reducing STING's ability to trigger antiviral defenses.
  • The research suggests that targeting the US2 protein could be a viable strategy for developing more effective vaccines against PRV, especially in light of the limitations of existing vaccines against emerging PRV strains.
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Bimetallic metal-organic frameworks (MOFs) have shown more impressive performance in gas adsorption compared with monometallic MOFs. Herein, a Cu-Zn bimetallic metal-organic framework (Zn/Cu-BTC) was synthesized a one-pot method, and its structure, thermal stability and CO adsorption property were investigated and compared with those of corresponding monometallic Cu-BTC and Zn-BTC. The results showed that Zn/Cu-BTC has a specific ortho-octahedral crystal morphology with a unique X-ray diffraction peak, the atomic ratio of Zn to Cu is about 1 : 5, and it remained stable at a temperature up to 490 K.

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Purpose: Achieving a pathologic complete response (pCR) after neoadjuvant chemoradiotherapy (NCRT) remains a challenge for most patients with rectal cancer. Exploring the potential of combining NCRT with immunotherapy or targeted therapy for those achieving a partial response (PR) offers a promising avenue to enhance treatment efficacy. This study investigated the impact of NCRT on the tumor microenvironment in locally advanced rectal cancer (LARC) patients who exhibited a PR.

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  • - The study highlights the rising incidence of rabies exposure in Guangzhou, China, with over 524,000 cases reported from 2020 to 2022, indicating a significant increase in risk for the population.
  • - Using specific statistical methods, the research assessed how accessible rabies post-exposure prophylaxis (PEP) clinics are for patients across different districts in Guangzhou, revealing disparities in accessibility based on geographic location.
  • - The findings emphasize the need for better resource allocation to address these accessibility issues, supporting the WHO’s goal of eliminating human deaths from dog-mediated rabies by 2030.
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Introduction: Imatinib, a tyrosine kinase inhibitor, is the first-line therapy for patients with KIT mutation in gastrointestinal stromal tumor (GIST). Nausea, vomiting, diarrhea, dyspepsia and abdominal pain are common gastrointestinal adverse reactions of imatinib, but imatinib-induced ulcerative colitis (UC) is rarely reported.

Case Report: We presented a case of UC induced by imatinib in a 56-year-old male patient who experienced this adverse event after 5 years of imatinib 400 mg/d treatment following GIST resection.

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The practical utilization of the hydrogen evolution reaction (HER) necessitates the creation of electrocatalysts that are both efficient and abundant in earth elements, capable of operating effectively within a wide pH range. However, this objective continues to present itself as an arduous obstacle. In this research, we propose the incorporation of sulfur vacancies in a novel heterojunction formed by MoS@CoS, designed to exhibit remarkable catalytic performances.

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Background: After the adjustment of COVID-19 epidemic policy, mainland China experienced two consecutive waves of Omicron variants within a seven-month period. In Guangzhou city, as one of the most populous regions, the viral infection characteristics, molecular epidemiology, and the dynamic of population immunity are still elusive.

Methods: We launched a prospective cohort study in the Guangdong Provincial CDC from December 2022 to July 2023.

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The past decades have witnessed intensive research on the biological effects of graphene-based nanomaterials (GBNs) and the application of GBNs in different fields. The published literature shows that GBNs exhibit inhibitory effects on almost all microorganisms under pure culture conditions, and that this inhibitory effect is influenced by the microbial species, the GBN's physicochemical properties, the GBN's concentration, treatment time, and experimental surroundings. In addition, microorganisms exist in the soil in the form of microbial communities.

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Purpose: B-cell lymphoma 9 (BCL9), a key transcription co-activator of the Wnt pathway, contributed to tumor progression and metastasis in various tumors, whereas, the role of BCL9 in papillary thyroid cancer (PTC) has not been investigated.

Methods: We acquired PTC gene expression data from The Cancer Genome Atlas (TCGA) database. Fifty-nine PTC tissues were applied to validate the clinical significance of BCL9.

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A high-performance planar structure metal-semiconductor-metal-type solar-blind photodetector (SBPD) was fabricated on the basis of (010)-plane β-GaO thermally oxidized from nonpolar (110)-plane GaN. A full width at half maximum of 0.486° was achieved for the X-ray rocking curve associated with (020)-plane β-GaO, which is better than most reported results for the heteroepitaxially grown (-201)-plane β-GaO.

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The African swine fever virus (ASFV) and its variants have induced substantial economic losses in China, prompting a critical need for efficient detection methods. Several PCR-based methods have been developed to discriminate between wild-type ASFV and gene-deleted variants. However, the requirement for sophisticated equipment and skilled operators limits their use in field settings.

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Bioactive molecules in tick saliva are considered to be key to successful feeding and further the transmission of tick-borne pathogens. Problems such as pathogen transmission and animal weight loss result in tick infestation can cause tremendous economic losses to the livestock industry. Therefore, the development of a universal tick vaccine is urgently needed.

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  • Accurate assessment of IDH mutation status in glioma patients is critical for treatment planning and predicting outcomes; this study focuses on using MRI to differentiate between astrocytoma and glioblastoma based on IDH status.
  • The study involved 80 glioma patients and utilized synthetic MRI scans alongside immunohistochemistry or gene sequencing to determine IDH mutation status; histogram metrics from the MRI were compared with radiological features.
  • Results showed that IDH-mutant astrocytoma patients had different MRI metrics (e.g., lower T1 values and higher post-contrast T1 values) compared to IDH-wildtype glioblastoma patients, leading to a combined model that could improve diagnostic accuracy.
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