Publications by authors named "Shihua Li"

The high level of autonomy within autonomous systems demands new control strategies to achieve more complex objectives while ensuring both safety and robustness, rather than relying solely on a given reference. To this end, this article addresses the problem of temporal logic disturbance rejection control (TLDRC) for a class of nonlinear systems subject to disturbances. Signal temporal logic (STL) specifications are introduced for the representation of complex tasks.

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Cytoplasmic accumulation of TDP-43 is a pathological hallmark of amyotrophic lateral sclerosis (ALS) and other neurodegenerative diseases. While current studies have primarily focused on gene regulation mediated by full-length nuclear TDP-43, the potential effects of cytoplasmic TDP-43 fragments remain less explored. Our previous findings demonstrated that primate-specific cleavage of TDP-43 contributes to its cytoplasmic localization, prompting further investigation into its pathological effects.

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Wireless sensor networks often rely on battery power, which incurs high costs, considerable volume, and a limited lifespan. Additionally, the communication range of existing passive sensor tags remains short, which challenges their suitability for evolving Internet of Things (IoT) applications. This paper, therefore, presents a long-distance passive RFID sensing tag that integrates multi-source energy harvesting and reflection amplification.

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Amyotrophic lateral sclerosis (ALS) and Huntington's disease (HD) are diverse in clinical presentation and are caused by complex and multiple factors, including genetic mutations and environmental factors. Numerous therapeutic approaches have been developed based on the genetic causes and potential mechanisms of ALS and HD. Currently, available treatments for various neurodegenerative diseases can alleviate symptoms but do not provide a definitive cure.

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Background: HD is a devastating neurodegenerative disorder caused by the expansion of CAG repeats in the HTT. Silencing the expression of mutated proteins is a therapeutic direction to rescue HD patients, and recent advances in gene editing technology such as CRISPR/CasRx have opened up new avenues for therapeutic intervention.

Methods: The CRISPR/CasRx system was employed to target human HTT exon 1, resulting in an efficient knockdown of HTT mRNA.

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In this paper, non-smooth fixed-time state feedback stabilization of output-constrained uncertain switched systems has been investigated. First, to deal with the output constraints implicitly, a tangent-type barrier Lyapunov function (T-BLF), which degenerates into a quadratic function as the output constraints tend to infinity, is constructed deliberately. Then, the fixed-time state feedback control scheme for the output-constrained uncertain switched systems is established with remoulding the technique called adding a power integrator (AAPI).

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This study aimed to investigate the efficacy and safety of fire needle plus cupping (FC) combined with oral famciclovir and gabapentin for the treatment of acute-phase herpes zoster (AHZ). This study was conducted as a superiority, randomized controlled trial in which 84 patients with AHZ who met the diagnostic criteria were selected and randomly assigned to three groups on a 1:1 basis. Group A: received oral famciclovir with gabapentin treatment (FG); Group B: received fire needle plus cupping (FC) with FG.

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Rice cultivation is one of the major anthropogenic methane sources in China and globally. However, accurately quantifying regional rice methane emissions is often challenging due to highly heterogeneous emission fluxes and limited measurement data. This study attempts to address this issue by quantifying regional methane emissions from rice cultivation with a high-resolution inversion of satellite methane observations from the Tropospheric Monitoring Instrument (TROPOMI).

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Article Synopsis
  • Rice cultivation is a major source of methane emissions, highlighting its importance for climate change mitigation efforts.
  • Researchers validated a methane model (CH4MOD) for rice paddies, which showed a strong correlation with global CH flux data, indicating that it can accurately predict methane emissions based on various management practices.
  • The study found that water management is the biggest influence on methane emissions from rice fields, with emissions varying greatly depending on farming practices, showcasing the need for better models and data for effective emission assessments.
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Gold nanoclusters (AuNCs) are emerging as promising functional probes for bioapplications. However, because of rapid renal clearance, it is a challenge to tailor their biofate and improve their disease-targeting ability in vivo. Herein, we report an efficient strategy to tailor their organotropic actions by rationally designing AuNC assemblies.

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  • * The disease primarily affects specific neurons in the striatum and is associated with early activation of the immune system and neuroinflammatory responses, which are common in many neurodegenerative diseases.
  • * Current research highlights the role of inflammatory proteins and immune cells (like microglia and astrocytes) in HD, indicating that targeting inflammation alongside other treatments could offer new therapeutic possibilities.
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Background: The activation of endoplasmic reticulum (ER) stress is an early pathological hallmark of Alzheimer's disease (AD) brain, but how ER stress contributes to the onset and development of AD remains poorly characterized. Mesencephalic astrocyte-derived neurotrophic factor (MANF) is a non-canonical neurotrophic factor and an ER stress inducible protein. Previous studies reported that MANF is increased in the brains of both pre-symptomatic and symptomatic AD patients, but the consequence of the early rise in MANF protein is unknown.

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  • Parkinson's disease (PD) involves neurodegeneration linked to toxic accumulation of phosphorylated α-synuclein and mutations in the parkin gene, affecting early onset PD but lacking clear mechanisms.
  • Researchers developed parkin-deficient monkey models using CRISPR technology, revealing that the absence of parkin leads to neurodegeneration in the substantia nigra and that parkin's effectiveness decreases with age due to increased insolubility.
  • The study highlights that phosphorylated parkin plays a vital role in protecting against neurodegeneration and reducing toxic α-synuclein levels, indicating that targeting parkin phosphorylation could be a promising therapeutic strategy for PD.
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  • The article explores a new approach to Model Predictive Control (MPC) called Periodic Event-Triggered MPC (PETMPC), aimed at managing nonlinear uncertain systems affected by changing disturbances without constantly generating new control sequences.
  • The method incorporates a generalized proportional-integral observer to estimate unknown states and disturbances while using predictions from the forward Euler method to create future control inputs, which are stored for use between events.
  • Through stability analysis and numerical simulations, the article demonstrates that the PETMPC method is effective, leading to fewer transmissions and calculations while ensuring system stability.
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Objective: Cervical cancer (CC) ranks among the most prevalent malignant tumors affecting the female reproductive system. Nonetheless, various shortcomings exist within current treatment approaches for CC. Therefore, the quest for new intervention targets holds significant importance.

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Huntington's disease (HD) is caused by a CAG repeat expansion in exon1 of the HTT gene that encodes a polyglutamine tract in huntingtin protein. The formation of HTT exon1 fragments with an expanded polyglutamine repeat has been implicated as a key step in the pathogenesis of HD. It was reported that the CAG repeat length-dependent aberrant splicing of exon1 HTT results in a short polyadenylated mRNA that is translated into an exon1 HTT protein.

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Introduction: Aging is one of the risk factors for the early onset of Alzheimer's disease (AD). We previously discovered that the age-dependent increase in Ubiquitin Conjugating Enzyme E2 N (UBE2N) plays a role in the accumulation of misfolded proteins through K63 ubiquitination, which has been linked to AD pathogenesis. However, the impact of UBE2N on amyloid pathology and clearance has remained unknown.

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JOURNAL/nrgr/04.03/01300535-202504000-00028/figure1/v/2024-07-06T104127Z/r/image-tiff The vast majority of in vitro studies have demonstrated that PINK1 phosphorylates Parkin to work together in mitophagy to protect against neuronal degeneration. However, it remains largely unclear how PINK1 and Parkin are expressed in mammalian brains.

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JOURNAL/nrgr/04.03/01300535-202509000-00027/figure1/v/2024-11-05T132919Z/r/image-tiff Spinal and bulbar muscular atrophy is a neurodegenerative disease caused by extended CAG trinucleotide repeats in the androgen receptor gene, which encodes a ligand-dependent transcription factor. The mutant androgen receptor protein, characterized by polyglutamine expansion, is prone to misfolding and forms aggregates in both the nucleus and cytoplasm in the brain in spinal and bulbar muscular atrophy patients.

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The game between therapeutic monoclonal antibodies (mAbs) and continuously emerging severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants has favored the virus, as most therapeutic mAbs have been evaded. Addressing this challenge, we systematically explored a reproducible bispecific antibody (bsAb)-dependent synergistic effect in this study. It could effectively restore the neutralizing activity of the bsAb when any of its single mAbs is escaped by variants.

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Coxsackievirus A10 (CV-A10) infection, a prominent cause of childhood hand-foot-and-mouth disease (HFMD), frequently manifests with the intriguing phenomenon of onychomadesis, characterized by nail shedding. However, the underlying mechanism is elusive. Here, we found that CV-A10 infection in mice could suppress Wnt/β-catenin signaling by restraining LDL receptor-related protein 6 (LRP6) phosphorylation and β-catenin accumulation and lead to onychomadesis.

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Severe fever with thrombocytopenia syndrome (SFTS) is an emerging infectious disease with a high fatality rate of up to 30% caused by SFTS virus (SFTSV). However, no specific vaccine or antiviral therapy has been approved for clinical use. To develop an effective treatment, we isolated a panel of human monoclonal antibodies (mAbs).

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Article Synopsis
  • - Growing evidence suggests that non-neuronal oligodendrocytes play a significant role in Amyotrophic Lateral Sclerosis (ALS) and other neurodegenerative diseases, marked by impaired myelin and TDP-43 presence in oligodendrocytes.
  • - Researchers discovered that TDP-43 fragments are cleaved in monkey neural cells, prompting an investigation into how these fragments affect myelin integrity in oligodendrocytes.
  • - The study highlights that truncated TDP-35 in oligodendrocytes causes dysfunctional demyelination in the monkey brain, leading to reduced expression of myelin-associated genes, providing insights into the mechanisms behind TDP-43 related diseases.
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  • The study examines how tidal flooding and salinity stress affect carbon allocation in plants and microbes in coastal marshes, comparing native (Phragmites australis) and invasive (Spartina alterniflora) species.
  • Findings reveal that both flooding and higher salinity reduce carbon allocation to roots and rhizodeposition, with significant impacts on soil carbon and microbial communities, particularly favoring bacteria over fungi.
  • Results indicate that S. alterniflora may be better adapted to these stresses, facilitating its invasive success, while P. australis shows greater susceptibility, highlighting species-specific responses to environmental changes.
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Huntington's disease (HD) is an autosomal dominant neurodegenerative disease characterized by preferential neuronal loss in the striatum. The mechanism underlying striatal selective neurodegeneration remains unclear, making it difficult to develop effective treatments for HD. In the brains of nonhuman primates, we examined the expression of Huntingtin (), the gene responsible for HD.

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