Publications by authors named "Guangyu Sun"

Article Synopsis
  • The study investigates how enhanced oil recovery using carbon dioxide (CO) alters the properties of crude oil, specifically focusing on wax characteristics and viscosity changes.
  • As the treatment pressure increases from atmospheric levels to higher pressures (up to 25 MPa), notable changes in the composition of crude oil occur, including decreases in light hydrocarbons and increases in paraffins and wax.
  • Treatment with supercritical CO (scCO) leads to smaller wax crystal sizes and increased viscosity, with significant enhancements in gelation characteristics and wax precipitation temperatures, especially notable between pressures of 5 to 15 MPa.
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  • γδ T cells are a unique type of immune cells with both innate and adaptive characteristics, crucial for targeting and eliminating hematological cancers using various mechanisms and enhancing other immune responses.
  • They show strong antiviral capabilities after hematopoietic stem cell transplantation (HSCT), potentially improving patient outcomes.
  • Despite facing challenges like low prevalence in blood and varied subtypes, there are exciting strategies being explored for γδ T cell-based therapies, including clinical trials that assess their safety and effectiveness in treating blood cancers.
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  • - The study explores how different molecular structures of multialkylated aromatic amides (MAAs), used as drag reducing agents (DRAs) in natural gas pipelines, impact energy efficiency and corrosion inhibition.
  • - Researchers synthesized MAAs with varying numbers of amide groups and dodecane chains, finding that the molecular structure significantly influences the agents' interfacial activity and film-forming properties on carbon steel surfaces.
  • - Results showed that MAAs with more amide groups and dodecane chains led to thicker and smoother films, enhancing corrosion inhibition and drag reduction rates—specifically, MAA-3 exhibited the highest performance among the synthesized surfactants.
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  • * The study presents a novel method using dual photoredox/nickel catalysis to create tertiary alkylamines from organohalides and secondary alkylamines, via α-amino radicals and iminium ions.
  • * This approach also allows for complex four-component reactions and can produce enantioenriched compounds, providing a promising route for synthesizing diverse tertiary amines.
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Plant secondary metabolism represents an important and ancient form of defense against pathogens. Phytopathogens secrete effectors to suppress plant defenses and promote infection. However, it is largely unknown, how fungal effectors directly manipulate plant secondary metabolism.

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Background: Several observational studies have reported an association between gut microbiota and male erectile dysfunction (ED). However, it remains unclear whether there is a causal relationship between gut microbiota and male ED. Thus, we aimed to investigate the potential causal relationship between gut microbiota and male ED through Mendelian randomization (MR) analysis.

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  • Delayed platelet engraftment is a frequent issue after umbilical cord blood transplantation (UCBT), and Avatrombopag (AVA), a thrombopoietin receptor agonist, is being explored as a possible treatment to improve outcomes for patients with thrombocytopenia post-transplant.
  • A study involving 65 patients receiving AVA showed significantly quicker platelet engraftment compared to 118 historical controls, with an overall response rate of 88.5%.
  • Patients who started AVA treatment within 14 days post-UCBT experienced even better recovery outcomes, highlighting AVA's potential as a first-line therapy in post-transplant care.
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Introduction: Both the incidence and mortality rates associated with methicillin-resistant (MRSA) have progressively increased worldwide. A nucleic acid testing system was developed in response, enabling swift and precise detection of () and its MRSA infection status. This facilitates improved prevention and control of MRSA infections.

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Ovarian cancer (OC) is a gynecological malignancy that ranks among the most common female cancers worldwide and notably reduces a patient's quality of life. Mitochondrial carrier homology 2 (MTCH2) is a mitochondrial outer membrane protein that serves a regulatory role in mitochondrial metabolism and cell death. The precise contribution and underlying molecular pathways of MTCH2 in the context of OC development is currently unclear.

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Recent evidence has indicated that measurable residual disease (MRD) markedly affects the prognosis of patients with acute leukemia post-transplantation. However, the prognostic relevance of complete remission with incomplete count recovery (CRi) before transplantation has not been extensively explored. In this single-center, longitudinal study, we assessed the outcomes of 466 MRD-negative acute leukemia patients who underwent single-unit unrelated cord blood transplantation (sUCBT), including 117 patients with CRi.

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shows morphological and genetic differences in plus and minus strains. However, the mechanism of the differentiation between two types of strains is still largely unclear. Our early transcriptome analysis revealed that expression differed in plus and minus strains.

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Background: Bladder cancer (BC), as a common type of cancer, has a poor prognosis, also some common invasive prognostic or therapeutic markers are difficult to obtain, which makes further treatment of BC difficult. Glycyl-tRNA synthetase (), as one of the aminoacyl-tRNA synthetases that charge tRNAs with their cognate amino acids, has been identified as a target in many diseases, including tumors.

Methods: Bioassay analysis revealed that was in high expression in most cancer tissues.

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Steroid-refractory (SR) acute graft-versus-host disease (aGVHD) is a major cause of mortality after allogeneic hematopoietic stem cell transplantation. We aimed to evaluate the effectiveness and safety of ruxolitinib plus basiliximab for treating SR-aGVHD after unrelated cord blood transplantation (UCBT). Among the 1154 patients with hematological malignancies who underwent UCBT between February 2014 and May 2022, 198 patients with grade II to IV SR-aGVHD were enrolled, 112 of whom were treated with basiliximab alone (basiliximab group) and 86 of whom received basiliximab plus ruxolitinib (combined therapy group).

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Chronic graft-versus-host disease (cGVHD) is the most common long-term complication after allogeneic hematopoietic stem cell transplantation (allo-HSCT). The patients with pulmonary cGVHD in particular have a very poor prognosis. NK cells are the first reconstituted lymphocyte subset after allo-HSCT; however, the impact of reconstituted NK cells on cGVHD is unclear.

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Potassium (K) fertilisation has frequently been shown to enhance plant resistance against pathogens, though the mechanisms remain elusive. This study investigates the interaction dynamics between Nicotiana benthamiana and the pathogen Alternaria longipes under different planta K levels. On the host side, adding K activated the expressions of three NLR (nucleotide-binding domain and leucine-rich repeat-containing proteins) resistance genes, including NbRPM1, NbR1B23 and NbNBS12.

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With the exploitation of heavy oil worldwide, the influence of asphaltene aggregation in the oil phase on the stability of crude oil emulsion has been paid more and more attention. Under this background, the effects of solvent polarity on model oil/brine water interfacial properties and emulsion stability are investigated in this study. It is demonstrated that there is a critical asphaltene concentration for the formation of a stable emulsion.

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Apple Glomerella leaf spot (GLS) is an emerging fungal disease caused by Colletotrichum fructicola and other Colletotrichum species. These species are polyphyletic and it is currently unknown how these pathogens convergently evolved to infect apple. We generated chromosome-level genome assemblies of a GLS-adapted isolate and a non-adapted isolate in C.

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To explore the impact of letermovir (LET) prophylaxis on cytomegalovirus (CMV) reactivation and resistance in both adult and paediatric umbilical cord blood transplantation (UCBT) patients, we retrospectively compared 43 UCBT patients who received LET as CMV prophylaxis with a historical cohort of 207 UCBT patients without LET usage. LET was administered from Day +1 to Day +100. The 180-day cumulative incidence of CMV reactivation (47.

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Article Synopsis
  • Black wolfberry (Lycium ruthenicum Murr.) contains flavonoids that vary by production region, with the bioactivity mechanisms of these compounds remaining largely unknown.
  • Comparative analysis revealed that fruits from the Qinghai region showed superior antioxidant and anti-inflammatory properties, linked to higher levels of specific flavonoids like Kaempferol-3-O-rutinoside and Quercetin-3-O-rutinoside.
  • Genetic studies identified key transcription factors (LrMYB94 and LrWRKY32) that regulate flavonoid biosynthesis, highlighting the influence of light on flavonoid production and ultimately the medicinal quality of black wolfberry.
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This study aimed to explore the involvement of Transmembrane and coiled-coil domains 1 (TMCO1) in ovarian cancer progression and its regulatory mechanisms in cisplatin resistance. Using the GEPIA database, we analyzed TMCO1 expression in ovarian cancer and normal tissues. In a cohort of 99 ovarian cancer patients, immunohistochemistry and immunofluorescence were employed to assess TMCO1 expression in tumor and adjacent tissues, correlating findings with clinical and pathological characteristics.

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Objective: To explore if switching intravesical chemotherapeutic agents is beneficial in short-term recurrences of high-risk non-muscle-invasive bladder cancer (NMIBC) following the failure of preceding intravesical therapy.

Materials And Methods: From June 2010 to October 2015, 205 patients with NMIBC who experienced tumor recurrence within a year after receiving first-line intravesical chemotherapy (IVC) were classified into two groups. After a second complete transurethral resection (TUR) process, we immediately altered the intravesical instillation agent for 107 patients (group A).

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Background: Liver hepatocellular carcinoma (LIHC) is a serious liver disease worldwide, and its pathogenesis is complicated.

Aims: This study investigated the potential role of FANCA in the advancement and prognosis of LIHC.

Methods: Public databases, quantitative reverse transcription polymerase chain reaction (qRT-PCR), western blot (WB) and immunohistochemistry (IHC) were employed to measure FANCA expression between tumor and normal samples.

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Umbilical cord blood transplantation (UCBT) has been rarely reported as a first-line treatment for idiopathic severe aplastic anemia (SAA) patients lacking HLA-matched sibling donors (MSD). Our study aimed to compare the clinical outcomes of pediatric SAA patients who received UCBT and immunosuppressive therapy (IST) upfront. A retrospective analysis was performed on 43 consecutive patients who received frontline IST (n = 17) or UCBT (n = 26) between July 2017 and April 2022.

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Feature selection plays a crucial role in classification tasks as part of the data preprocessing process. Effective feature selection can improve the robustness and interpretability of learning algorithms, and accelerate model learning. However, traditional statistical methods for feature selection are no longer practical in the context of high-dimensional data due to the computationally complex.

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Cancer's high incidence and death rate jeopardize human health and life, and it has become a global public health issue. Some members of NPCs have been studied in a few cancers, but comprehensive and prognostic analysis is lacking in most cancers. In this study, we used the Cancer Genome Atlas (TCGA) data genomics and transcriptome technology to examine the differential expression and prognosis of NPCs in 33 cancer samples, as well as to investigate NPCs mutations and their effect on patient prognosis and to evaluate the methylation level of NPCs in cancer.

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