1,040 results match your criteria: "Seventh Affiliated Hospital of Sun Yat-Sen University[Affiliation]"

Objective: To evaluate whether the intense simplified strategy, which comprises short term intensive insulin therapy (SIIT) followed by subsequent oral antihyperglycaemic regimens, could improve long term glycaemic outcomes in patients with newly diagnosed type 2 diabetes mellitus and severe hyperglycaemia.

Design: Multicentre, open label, randomised trial.

Setting: 15 hospitals in China between December 2017 and December 2020.

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Background: Eosinophilic chronic rhinosinusitis with nasal polyps (eos-CRSwNP), especially those with diffuse disease as indicated by CT scans, has high recurrence rate and low control rate after endoscopic sinus surgery (ESS). Most of them are difficult to treat.

Objective: This study sought to identify if eos-CRSwNP patients were to undergo surgery earlier, while the disease is still limited on CT, they might achieve better postoperative outcomes.

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Previous studies have shown a relationship between SPECC1 and the prognosis of breast cancer, indicating a potential function for SPECC1 in the initiation and progression of cancer. However, the role played by SPECC1 in other tumors is not yet known. Therefore, we used bioinformatics techniques to conduct a thorough investigation into the possible mechanism of SPECC1 in pan-cancer, analyzing data reported in the literature as well as databases such as GTEx and CCLE, cBioportal, TCGA, and UCSC XENA.

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  • Chemotherapy resistance, particularly to oxaliplatin, is a major challenge in treating gastric cancer, with unclear mechanisms behind this resistance.
  • Research demonstrated that mechanical signaling from the extracellular matrix plays a key role in developing oxaliplatin resistance in gastric cancer cells.
  • The study found that increased mitochondrial content in gastric cancer cells, derived from mesenchymal stromal cells, was linked to enhanced mitochondrial function and reduced mitophagy, contributing to resistance, and targeting the RhoA/ROCK1 pathway could help overcome this resistance.
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  • Intervertebral disc degeneration (IVDD) is linked to low back pain and worsened by chronic inflammation, particularly involving the tumor necrosis factor alpha (Tnf-α) and its receptors.
  • Researchers studied the effects of knocking out Tnfr1 and Tnfr2 in mice to understand their role in IVDD, analyzing various disc-related characteristics as the mice aged and underwent lumbar spine instability.
  • The results showed that by 21 months, Tnfr knockout mice displayed improved disc structure and function, with enhanced extracellular matrix (ECM) health and reduced signs of degeneration compared to control mice, suggesting that Tnfr signaling contributes to IVDD progression.
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CRISPR-Cas12a detection of DNA glycosylases DNA modification switching.

Chem Commun (Camb)

October 2024

Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong, 518107, P. R. China.

A programmable CRISPR-Cas12a system for selective detection of various DNA glycosylases is described. By temporarily inactivating Cas12a through the introduction of specific DNA modifications in the complementary DNA strand of Cas12a's crRNA, the system is able to detect the target DNA glycosylases. This approach addresses critical gaps in current CRISPR-Cas12a diagnostics for non-nucleic acid detection beyond the limitations of aptamers.

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  • This study examines how immune cell types in the blood of ankylosing spondylitis (AS) patients change when they also have colitis or terminal ileitis, aiming to establish links between these immune changes and gut inflammation for better early detection.
  • In a sample of 50 AS patients undergoing colonoscopy, flow cytometry was used to identify variations in lymphocyte subsets, revealing significant increases in total T cells and exhausted CD4 T cells in those with colorectal inflammation, while terminal ileitis patients showed an increase in total and switched B cells.
  • The research suggests differing immune responses depending on the type of gut inflammation in AS, indicating that these patterns could be useful for early diagnosis and potential treatments for affected patients.
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SLAMF8 regulates osteogenesis and adipogenesis of bone marrow mesenchymal stem cells via S100A6/Wnt/β-catenin signaling pathway.

Stem Cell Res Ther

October 2024

Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, Department of Spinal Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, China.

Article Synopsis
  • The study investigates the role of SLAMF8 in bone healing by analyzing its effects on inflammatory responses and osteogenesis in mouse bone marrow mesenchymal stem cells (mBMSCs).
  • Researchers utilized GEO datasets and various molecular techniques to assess how SLAMF8 influences genes related to bone formation (like RUNX2 and COL1A1) and fat formation (like PPARγ).
  • Results showed that knocking down SLAMF8 reduced bone formation and increased fat formation in mBMSCs, while its overexpression enhanced bone healing in a femoral fracture model.
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Background: Chronic rhinosinusitis with nasal polyps (CRSwNP) is a chronic sinonasal disease characterized by heterogeneous inflammation. However, the presence of systemic inflammation heterogeneity in CRSwNP patients remains unknown. This study aims to profile transcriptomic alterations in the blood of CRSwNP patients and characterize the CRSwNP heterogeneity based on blood transcriptomic biomarkers.

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Article Synopsis
  • - The research investigates the link between copper intake and bone mineral density (BMD) in children and adolescents (ages 8-19) using data from the NHANES 2011-2016 survey.
  • - In a sample of 6,965 participants, higher copper intake was associated with increased total, subtotal, and spine BMD, particularly among older males and certain racial groups.
  • - The study concludes that copper intake positively affects bone health in youth, highlighting the need for further research to confirm these findings and understand the underlying mechanisms.
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Background: The contribution of interspecies interactions between coinfecting pathogens to chronic refractory infection by affecting pathogenicity is well established. However, little is known about the impact of intraspecific interactions on infection relapse, despite the cross-talk of different strains within one species is more common in clinical infection. We reported a case of chronic refractory pulmonary infection relapse, caused by two methicillin-sensitive S.

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Background: There have been some studies on the occurrence of ESR1 and 2 polymorphisms and AIS, but some data extraction is wrong, and there are no studies on the progress of AIS.

Methods: Computer searches were conducted on PubMed, EMBASE, ScienceDirect and Scopus from the establishment of the database to April 2024. Cross-sectional and case-control studies on estrogen receptor ESR1, two single nucleotide polymorphisms, and the occurrence and development of AIS were collected, and statistical analysis was performed using the Revman 5.

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The prognostic value of Th17/Treg cell in cervical cancer: a systematic review and meta-analysis.

Front Oncol

September 2024

Guangdong Provincial Key Laboratory of Digestive Cancer Research, Department of Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China.

Background: The prognostic significance of Treg and Th17 cells, as well as their ratio (Th17/Treg), in cervical cancer remains a topic of debate. Our study aimed to clarify their association with patient survival and clinical outcomes in cervical cancer through a comprehensive meta-analysis.

Materials And Methods: We conducted a comprehensive search in PubMed, Embase, and Web of Science to identify eligible studies.

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As the aging process progresses, age-related intervertebral disc degeneration (IVDD) is becoming an emerging public health issue. Site-1 protease (S1P) has recently been found to be associated with abnormal spinal development in patients with mutations and has multiple biological functions. Here, we discovered a reduction of S1P in degenerated and aging intervertebral discs, primarily regulated by DNA methylation.

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Chemical shift assignments of PA2072 CHASE4 domain.

Biomol NMR Assign

December 2024

School of Life Sciences, Tianjin University, Tianjin, 300072, P.R. China.

Article Synopsis
  • Diverse extracellular sensor domains help cells adapt their behaviors and interactions based on environmental cues.
  • Pseudomonas aeruginosa (PAO1) is a dangerous pathogen in hospitals, and the CHASE4 domain found in its receptor PA2072 is thought to play a role in sensing external signals.
  • This research provides initial assignments of the molecular structure of PA2072 CHASE4 to aid in understanding how it recognizes signals.
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  • Macrophage-driven inflammation plays a role in metabolic dysfunction-associated steatohepatitis (MASH), but how macrophage activation is regulated is still not well understood.* -
  • Beta-arrestin 2, a protein found in macrophages, was found to be elevated in patients with MASH compared to healthy individuals, linking it to the severity of liver disease.* -
  • In studies with mice, removing beta-arrestin 2 prevented MASH development, suggesting that targeting this protein could be a potential treatment strategy for the condition.*
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Background: The genetic basis for hyperglycaemia in pregnancy remain unclear. This study aimed to uncover the genetic determinants of gestational diabetes mellitus (GDM) and investigate their applications.

Methods: We performed a meta-analysis of genome-wide association studies (GWAS) for GDM in Chinese women (464 cases and 1,217 controls), followed by de novo replications in an independent Chinese cohort (564 cases and 572 controls) and in silico replication in European (12,332 cases and 131,109 controls) and multi-ethnic populations (5,485 cases and 347,856 controls).

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Diabetic retinopathy (DR) is a chronic complication of diabetes. Given that adiponectin plays a key role in DR progression, this study aims to elucidate the molecular mechanisms of sDR progression related to adiponectin. First, we extracted the microarray dataset GSE60436 from the Gene Expression Omnibus (GEO) database to identify hub genes associated with DR.

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Article Synopsis
  • The study investigates how type 2 diabetes impacts bone tissue by exploring changes in bone marrow cells at the single-cell level.
  • It identifies a unique immune environment in bone under type 2 diabetic conditions, highlighting altered cytokine networks that inhibit osteoclast activity.
  • A specific cluster of monocytes/macrophages (cluster 18) is found to be crucial in osteoclast precursor formation, with reduced differentiation ability due to this diabetes-related dysfunction.
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Albumin-based co-loaded sonosensitizer and STING agonist nanodelivery system for enhanced sonodynamic and immune combination antitumor therapy.

J Control Release

November 2024

Digestive Diseases Center, Guangdong Provincial Key Laboratory of Digestive Cancer Research, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen 518107, China; Guangdong-Hong Kong-Macau University Joint Laboratory of Digestive Cancer Research, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen 518107, China. Electronic address:

STING agonists can activate natural and adaptive immune responses, and are expected to become a new type of immunotherapy drug for tumor therapy. However, how to target deliver STING agonists to tumor tissues is a key factor affecting the efficacy of tumor treatment. Sonodynamic therapy (SDT) has become a research hotspot in the field of cancer treatment due to its non-invasive, spatiotemporally controllable, and high tissue penetration capabilities.

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The important role of lactylation in regulating DNA damage repair and tumor chemotherapy resistance.

Drug Resist Updat

January 2025

The Biobank, Scientific Research Center, Guangdong Provincial Key Laboratory of Digestive Cancer Research, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, Guangdong 518107, PR China. Electronic address:

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Background: Aplastic anemia (AA) is an immune-mediated syndrome characterized by bone marrow failure. Therefore, comprehending the cellular profile and cell interactions in affected patients is crucial.

Methods: Human peripheral blood mononuclear cells (PBMCs) were collected from both healthy donors (HDs) and AA patients, and analyzed using multicolor flow cytometry.

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Decitabine-based treatment strategy improved the outcome of HSCT in JMML: a retrospective cohort study.

Front Immunol

September 2024

Nanfang-Chunfu Children's Institute of Hematology & Oncology, TaiXin Hospital, Dongguan, China.

Introduction: Pre-HSCT disease control, suboptimal long-term prognosis, and a high recurrence incidence (RI) continue to pose significant challenges for hematopoietic stem cell transplantation (HSCT) in juvenile myelomonocytic leukemia (JMML) patients.

Methods: This retrospective cohort study assessed the effectiveness of a decitabine (DAC)-based protocol in JMML patients undergoing HSCT. The pre-HSCT treatment includes initial and bridging treatment.

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