Guangdong Academy of Medical Sciences

Cardiomyocyte-Specific LncRNA CSTPP Prolongs the Proliferation Window by Promoting CDKN1A Decay in Postinfarction Cardiac Regeneration

BACKGROUND: Adult mammalian cardiomyocytes exhibit some capacity to reenter the cell cycle after ischemic injury. However, activated cardiomyocytes rapidly undergo cell cycle rearrest shortly after activation. Long noncoding RNAs (lncRNAs) have emerged as critical regulators of c...

Titin gene mutation is related to refractory acute lymphoblastic leukemia in children

This study aimed to elucidate the association of Titin ( TTN ) gene mutations with refractory pediatric acute lymphoblastic leukemia (ALL). This investigation, included 152 pediatric patients with ALL who were treated in Guangdong Provincial People’s Hospital between 2019 and 202...

Single-nucleus transcriptomics reveals an early-relapse-associated epithelial–myeloid–T cell niche in advanced high-grade serous ovarian cancer

Early relapse remains a major clinical challenge in advanced HGSOC, but the tumor microenvironmental features associated with relapse timing remain poorly defined. Here, we performed snRNA-seq on treatment-naive tumors from patients with advanced HGSOC, including STDFS ( n = 4) a...

Explainable machine learning model based on cardiac CT angiography for predicting functional improvement after atrial fibrillation ablation: a multicenter study

Radiofrequency ablation is an established therapy for atrial fibrillation (AF), but outcomes are heterogeneous in patients with concomitant heart failure (HF). Therefore, we aimed to develop an explainable machine learning (ML) model based on cardiac CT angiography (CTA) for pred...

FGF21 Pretreatment Promotes the Cardioprotective Effects of Mesenchymal Stem Cells in Myocardial Infarction via Enhancement of Their Survival and Paracrine Effects

Background: The poor engraftment of mesenchymal stem cells (MSCs) in the ischemic heart post transplantation heavily restricts their cardioprotective benefits in myocardial infarction (MI). Pretreatment has emerged as a novel approach to enhance the biological properties of MSCs...

High tibial osteotomy for proximal tibial osteonecrosis with medial tibial plateau fracture in a patient with prior knee arthroscopy: a case report

High tibial osteotomy (HTO) is a well-established joint-preserving procedure for unloading the medial compartment of the knee. It has been applied in selected cases of spontaneous osteonecrosis or subchondral insufficiency fracture of the knee. However, the coexistence of proxima...

Case report of neoadjuvant treatment with sugemalimab combined with platinum-based doublet chemotherapy in stage IIIB lung squamous cell carcinoma and research in potential biomarkers

Here we present a case of stage IIIB (cT3N2M0) lung squamous cell carcinoma, who was potentially resectable, and underwent a complete resection after three cycles of neoadjuvant therapy induced by sugemalimab combined with platinum-based doublet chemotherapy. The assessment of re...

Comparison of a Novel Occluder Versus Traditional Occluder in Atrial Septal Defect: A Randomized Trial

Background Traditional occluders for atrial septal defect have 2 drawbacks: incomplete endothelialization and difficulty in achieving atrial septum puncture post implantation. The novel occluder ReAces was designed to address these 2 clinical pain points. In this study, we aimed...

Integrated multi-omics decodes the AKI-to-CKD transition: from ensemble discovery to structure-guided translational targeting

The transition from acute kidney injury (AKI) to chronic kidney disease (CKD) constitutes a major global health burden. Identifying causal drivers remains challenging due to proteomic complexity and confounding biases. We aimed to construct a discovery framework to identify actio...

Intranasal delivery of BDNF-enriched small extracellular vesicles ameliorates cognitive impairment and Alzheimer’s disease-like pathology in APP/PS1 mice

Alzheimer’s disease (AD), the leading cause of dementia, still lacks broadly effective disease-modifying therapies. Here, we engineered brain-derived neurotrophic factor (BDNF)-enriched small extracellular vesicles (BDNF-sEVs) from human induced pluripotent stem cell-derived mese...

Evaluative performance of triglyceride-glucose-frailty index versus surrogate insulin resistance indices for advanced cardiovascular-kidney-metabolic syndrome, cardiometabolic multimorbidity, and mortality: the role of estimated glomerular filtration rate

Cardiovascular-kidney-metabolic (CKM) syndrome and cardiometabolic multimorbidity (CMM) carry substantial mortality, yet whether a composite index integrating insulin resistance and frailty shows stronger associations with advanced CKM syndrome, CMM, and mortality than convention...

Development and benchmark validation of PubChat for PubMed-grounded multilingual biomedical literature retrieval

The rapid growth of biomedical literature has rendered traditional systematic reviews unsustainable. Although large language models (LLMs) offer automation potential, citation fabrication and unreliable evidence discrimination remain critical barriers. Here, using PubChat as a Pu...

Hypoxia-induced m6A epitranscriptomic remodeling regulates gene expression in dental pulp stem cells: a combined MeRIP-seq and RNA-seq study

Dental pulp stem cells (DPSCs) are essential for regenerative endodontics. However, their survival and function are often challenged by the physiological hypoxic environment of the dental pulp. While N6-methyladenosine (m6A) modification is a critical post-transcriptional regulat...

YTHDC1 Orchestrates Glucose and Glutamate Rewiring to Overcome Lethal Metabolic Stress in Triple‐Negative Breast Cancer

ABSTRACT Developing effective therapies for triple‐negative breast cancer (TNBC) requires the identification of key molecular regulators. Here, among the major m6A modulators, we find that only the reader YTHDC1 is specifically overexpressed in TNBC and correlates to unfavorable...

Candidate role of ADAMTS2 in regulating keratinocyte apoptosis via indirect NF-κB modulation in life-threatening PD-1 inhibitor-induced TEN-like cutaneous toxicity

Abstract Toxic epidermal necrolysis-like (TEN-like) immune-related cutaneous adverse event (ircAE) induced by programmed death 1 (PD-1) inhibitors is life-threatening; however, its pathogenesis remains unclear. This study aimed to dynamically characterize molecular signatures and...

Neonatal hypoxia promotes pulmonary hypertension by upregulating ALKBH5 expression

Postnatal hypoxia in high-altitude regions drives pulmonary developmental impairment in neonates, which may subsequently progress to pulmonary hypertension and right ventricular failure. N6-methyladenosine (m6A) RNA modification regulates mRNA fate and cellular responses to stres...

Spatial distribution, clustering patterns, and economic burden of comorbidities among hospitalised pulmonary tuberculosis patients in Guangdong province: a spatial epidemiological study based on inpatient big data

Background: Comorbidities may complicate the treatment of pulmonary tuberculosis and exacerbate both the clinical and economic burden. We aimed to examine comorbidity patterns, spatial clustering, and economic burden in hospitalised pulmonary tuberculosis (PTB) patients in Guangd...

The effects of different prone positioning angles on cardiopulmonary function in children after congenital heart disease surgery: a randomized controlled trial

To evaluate the effects of different head-elevated prone positioning angles on oxygenation, respiratory mechanics, hemodynamics, and enteral nutrition tolerance in children after congenital heart disease（CHD）surgery, and to determine the optimal intervention angle. In this rand...

Targeting DNA damage signaling in atherosclerosis: molecular mechanisms and therapeutic opportunities

Atherosclerosis is a lipid-driven, chronic inflammatory disease of large and medium-sized arteries that underlies major cardiovascular events and remains a leading cause of mortality and morbidity worldwide. It is characterized by the progressive formation of lipid-rich plaques w...

Real‐World Glycemic Outcomes of Open‐Source Automated Insulin Delivery During 12 Months Among People With Type 1 Diabetes Across Age Groups

ABSTRACT Aims To assess glycemic outcomes across different age groups and explore factors associated with glycemic target achievement during 12‐months open‐source android artificial pancreas (AAPS) use among people with type 1 diabetes (T1D). Methods This study included people wi...