Publications by authors named "Xiaobo Zhu"

The diagnosis of lymph node metastasis (LNM) is essential for colorectal cancer (CRC) treatment. The primary method of identifying LNM is to perform frozen sections and pathologic analysis, but this method is labor-intensive and time-consuming. Therefore, combining intraoperative fluorescence imaging with deep learning (DL) methods can improve efficiency.

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Hydrogen peroxide (HO) is a ubiquitous signal regulating many biological processes, including innate immunity, in all eukaryotes. However, it remains largely unknown that how transcription factors directly sense HO in eukaryotes. Here, we report that rice basic/helix-loop-helix transcription factor bHLH25 directly senses HO to confer resistance to multiple diseases caused by fungi or bacteria.

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Objectives: Freezing of Gait (FOG) is one of the disabling symptoms in patients with Parkinson's Disease (PD). While it is difficult to early detect because of the sporadic occurrence of initial freezing events. Whether the characteristic of gait impairments in PD patients with FOG during the 'interictal' period is different from that in non-FOG patients is still unclear.

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An increasing number of expression quantitative trait loci (eQTLs) have been linked to tumorigenesis. In this study, we used Mendelian randomization (MR) to identify a novel cancer susceptibility gene, Trimethylguanosine Synthase 1 (TGS1). TGS1-induced hypermethylation at the 5' end of human telomerase RNA (hTR) impedes hTR accumulation, decreasing telomerase assembly factor levels and thus limiting telomere elongation, a crucial factor in tumor progression.

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Study Objectives: Observational and cohort studies have associated Sjögren's syndrome (SS) with various types of cardiovascular disease (CVD), yet causal relationships have not been established. We employed Mendelian randomization (MR) to investigate potential causal links between SS and CVD in the general population.

Methods: We conducted a two-sample MR analysis using data from four distinct sources for 11 genome-wide significant single nucleotide polymorphisms (SNPs) associated with SS and data for 13 types of CVD sourced from FinnGen, IEU OpenGWAS, and GWAS catalog.

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The loss and gain of OsNAS3 function both positively influence plant disease resistance. Overexpression of OsNAS3 boosts blast resistance by promoting nicotianamine accumulation, thereby enhancing blast resistance. Conversely, knockout of OsNAS3 increases ethylene biosynthesis, also contributing to improved blast resistance.

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The long-term benefits of direct-acting antiviral (DAA) therapy after achieving sustained virological response (SVR) remain uncertain in the Chinese population. This study evaluates the incidence of hepatocellular carcinoma (HCC), hepatic decompensation, and all-cause mortality among Chinese hepatitis C patients treated with DAAs. We included patients diagnosed since 2011 and followed them until November 1, 2022.

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Article Synopsis
  • Messenger RNA modifications are crucial for RNA biology, and this study reveals how ac4C modification influences translational reprogramming in plants during immune responses to pathogens like Magnaporthe oryzae.* -
  • Researchers found that ac4C modifies mRNA at specific locations, particularly enhancing codon stability, which plays a vital role in regulating protein synthesis during pathogen attacks.* -
  • The increased expression of the ac4C writer enzyme OsNAT10/OsACYR leads to stronger immune responses in plants, including boosting jasmonic acid production, highlighting the importance of ac4C in plant immunity.*
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Article Synopsis
  • Japonica rice has higher quality compared to indica rice, but the reasons for this are not well understood.
  • A gene called LCG1 plays a crucial role in rice quality by impacting grain characteristics like chalkiness and taste through its interaction with the OsBP5 protein and the amylose synthesis gene Waxy (Wx).
  • Variations in the promoter region of LCG1 boost its expression in japonica rice, which may lead to improved quality, presenting potential for enhancing indica rice as well.
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The Ideal Plant Architecture 1 (IPA1) transcription factor promotes rice yield and immunity through phosphorylation at its amino acid residue Ser163 as a switch. Although phosphorylated IPA1 mimic, IPA1(S163D), directly targets the promoter of immune response gene WRKY45, it cannot activate its expression. Here, we identified a co-activator of IPA1(S163D), a RING-finger E3 ligase IPA1 interactor 7 (IPI7), which fine-tunes the transcriptional activity of IPA1 to timely promote plant immunity and simultaneously maintain growth for yield.

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Limiting global warming to 1.5-2 °C requires a 50-90% reduction in CO emissions in 2050, depending on different scenarios, and carbon capture, utilization, and storage is a promising technology that can help reach this objective. Calcium oxide (CaO) carbon capture is an appealing choice because of its affordability, large potential capacity, and ability to withstand the high temperatures of flue gases.

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Currently, the treatment of bone defects in arthroplasty is a challenge in clinical practice. Nonetheless, commercially available orthopaedic scaffolds have shown limited therapeutic effects for large bone defects, especially for massiveand irregular defects. Additively manufactured porous tantalum, in particular, has emerged as a promising material for such scaffolds and is widely used in orthopaedics for its exceptional biocompatibility, osteoinduction, and mechanical properties.

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Plant () mutants are useful to reveal the regulatory mechanisms of immune responses. Thus, in crop plants, their agronomic traits, especially the grain quality are usually ignored. Here, we characterized a rice mutant named () that shows autoimmunity, broad-spectrum disease resistance and growth deterioration including decreased rice quality.

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Background: Patients with Parkinson's disease (PD) undergoing long-term levodopa therapy are prone to develop levodopa-induced dyskinesia (LID). Amantadine is the main drug recommended for the treatment of LID by current guidelines, but it is far from meeting clinical needs. Tianqi Pingchan Granule (TPG), a compound Chinese herbal medicine, has been developed to relieve symptom of LID.

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Article Synopsis
  • Immunity and flowering in rice are energy-intensive processes, and the study reveals how the E3 ligase IPI1 regulates both through distinct mechanisms.
  • IPI1 prevents the degradation of the E3 ligase APIP6 without using its own E3 ligase activity, which in turn helps in degrading APIP6's targets through the ubiquitin-proteasome system.
  • Additionally, IPI1 directly ubiquitinates OsELF3-1 and OsELF3-2, leading to their degradation and causing IPI1 knockout plants to flower early but lose resistance to rice blast disease.
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In rice, DWARF 53 directly binds to the promoters of seven phenylalanine ammonia lyase genes, OsPAL1˜OsPAL7, and represses their expression, leading to decreased lignin accumulation and compromised resistance against Magnaporthe oryzae.

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Quantum dots (QDs) exhibit superior brightness and photochemical stability, making them the preferred option for highly sensitive single-molecule detection compared with fluorescent dyes or proteins. Nevertheless, their high surface energy leads to nonspecific adsorption and poor colloidal stability. In the past decades, we have found that QD-based fluorescent nanoparticles (FNs) can not only address these limitations but also enhance detection sensitivity.

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Diabetes has become one of the most common endocrine and metabolic diseases threatening human health, which can induce mitochondrial dysfunction and exacerbate the excessive production of reactive oxygen species (ROS). Among them, ONOO level fluctuation was closely related to diabetes. Hence, it is of great significance to develop a near-infrared fluorescence probe for visualizing ONOO level fluctuations in diabetes.

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Osteoarthritis (OA) is a major clinical challenge, and effective disease-modifying drugs for OA are still lacking due to the complicated pathology and scattered treatment targets. Effective early treatments are urgently needed to prevent OA progression. The excessive amount of transforming growth factor β (TGFβ) is one of the major causes of synovial fibrosis and subchondral bone sclerosis, and such pathogenic changes in early OA precede cartilage damage.

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The pollen viability directly affects the pollination process and the ultimate grain yield of rice. Here, we identified that the MORN motif-containing proteins, OsMORN1 and OsMORN2, had a crucial role in maintaining pollen fertility. Compared with the wild type (WT), the pollen viability of the osmorn1 and osmorn2 mutants was reduced, and pollen germination was abnormal, resulting in significantly lower spikelet fertility, seed-setting rate, and grain yield per plant.

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High-voltage LiNiMnO (LNMO) spinel oxides are highly promising cobalt-free cathode materials to cater to the surging demand for lithium-ion batteries (LIBs). However, commercial application of LNMOs is still challenging despite decades of research. To address the challenge, the understanding of their crystallography and structural evolutions during synthesis and electrochemical operation is critical.

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Auxin is an important phytohormone that regulates diverse biologic processes, including plant growth and immunity. Indole-3-acetic acid (IAA), known as one of the main forms of auxin, is able to activate plant immunity. However, it is unknown whether IAA enhances plant resistance and/or suppresses the growth of the fungal pathogen .

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Article Synopsis
  • Fractional quantum Hall (FQH) states have strong topological order, making them promising for fault-tolerant quantum computing applications.
  • Researchers have created a lattice version of photon FQH states using a programmable on-chip platform, demonstrating key properties like the effective photon Lorentz force and chiral topological flow.
  • Their work highlights the potential for creating and manipulating new types of strongly correlated quantum matter with photons, paving the way for advanced quantum information technologies.
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This case report details a rare thymic basaloid carcinoma initially misinterpreted as a mediastinal teratoma, underscoring the diagnostic challenges posed by such tumors. A 71-year-old female presented with an asymptomatic anterior mediastinal tumor discovered incidentally during a routine health examination. Surgical intervention, followed by pathological and immunohistochemical analysis including CK-pan, p63, p40, and CD117 molecules, led to a definitive diagnosis of basaloid carcinoma of the thymus.

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