432 results match your criteria: "Chinese Academy of Medical Sciences And Peking Union Medical College. Beijing[Affiliation]"

Article Synopsis
  • This study investigated the effectiveness and safety of a treatment regimen combining inetetamab, sirolimus, and chemotherapy for HER2-positive metastatic breast cancer patients exhibiting abnormal PAM pathway activation after previous trastuzumab treatment.
  • A total of 59 patients were enrolled and divided into two groups: one receiving the inetetamab regimen and the other receiving pyrotinib with chemotherapy.
  • Results showed no significant difference in progression-free survival between the groups, although both experienced a high rate of adverse events, with slightly higher occurrences in the inetetamab group.
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Background: Resistant hypertension (RH) remains one of the major risk factors for cardiovascular disease. This study aims to investigate the association between the triglyceride-glucose (TyG) index and RH incidence in patients with hypertension and to construct a nomogram for predicting the occurrence of RH.

Methods And Results: A retrospective cohort study was conducted on 1635 patients initially diagnosed with hypertension at the Affiliated Traditional Chinese Medicine Hospital of Xinjiang Medical University from August 2019 to August 2021.

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Since the pioneering use of autologous costal cartilage for microtia reconstruction, significant progress has been made in treating microtia, effectively improving patients' quality of life and reducing their psychological burden. Cartilage auricle reconstruction is the primary treatment, but many postoperative complications can occur. Common postoperative complications include infection and hematoma at the recipient site, pleural tears at the donor site, and thoracic scoliosis.

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  • The study evaluated the conversion of HER-2 zero or low status in HER-2 negative breast cancer patients following neoadjuvant chemotherapy (NAC) and its impact on prognosis.
  • It included 571 patients, revealing a 32.4% change rate in HER-2 status, with hormone receptor-positive patients showing a significant link to HER-2 zero to low conversion.
  • Results indicated that HER-2 zero to low conversion led to improved disease-free survival in HER-2 zero patients, especially those who were hormone receptor-positive, suggesting implications for potential anti-HER-2 treatments post-NAC.
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Despite being one of the most prevalent RNA modifications, the role of N6-methyladenosine (m6A) in amyotrophic lateral sclerosis (ALS) remains ambiguous. In this investigation, we explore the contribution of genetic defects of m6A-related genes to ALS pathogenesis. We scrutinized the mutation landscape of m6A genes through a comprehensive analysis of whole-exome sequencing cohorts, encompassing 508 ALS patients and 1660 population-matched controls.

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Small molecule drug conjugates are an emerging targeted therapy for cancer treatment. Building upon the overexpressed prostate-specific membrane antigen (PSMA) in prostate cancer, we herein report the design and synthesis of a novel PSMA-PI3K small molecule drug conjugate 1. Conjugate 1 demonstrates potent inhibition against PI3K with an IC value of 0.

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The endoplasmic reticulum (ER) is a key organelle in eukaryotic cells, responsible for a wide range of vital functions, including the modification, folding, and trafficking of proteins, as well as the biosynthesis of lipids and the maintenance of intracellular calcium homeostasis. A variety of factors can disrupt the function of the ER, leading to the aggregation of unfolded and misfolded proteins within its confines and the induction of ER stress. A conserved cascade of signaling events known as the unfolded protein response (UPR) has evolved to relieve the burden within the ER and restore ER homeostasis.

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Background: This study aimed to explore the effect of a P2Y inhibitor regimen on the occurrence of postoperative atrial fibrillation (POAF) after off-pump coronary artery bypass graft surgery in carriers with the cytochrome P450 family 2 subfamily C member19 loss-of-function allele.

Methods And Results: From May 2019 to November 2023, patients containing the cytochrome P450 family 2 subfamily C member19*2 or *3 allele undergoing elective first-time off-pump coronary artery bypass graft surgery including aspirin 100 mg/d and ticagrelor 180 mg/d (AT group; n=95) versus clopidogrel 75 mg/d (aspirin and clopidogrel group; n=95) were prospectively followed. The primary end point was the cumulative incidence of POAF in a week.

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Background: Poor cardiovascular-kidney-metabolic (CKM) health is associated with premature mortality and excess morbidity in the United States. Adverse social conditions have a prominent impact on cardiometabolic diseases during the life course. We aim to examine the association between social risk profile (SRP) and CKM multimorbidity among US adults.

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Background: Few large-scale studies have evaluated the effectiveness of percutaneous coronary intervention (PCI) technological advances in the treatment of patients with unprotected left main coronary artery disease (LM-CAD). We aim to identify independent factors that affect the prognosis of PCI in patients with unprotected LM-CAD and to assess the impact of PCI technological advances on long-term clinical outcomes.

Methods And Results: A total of 4512 consecutive patients who underwent unprotected LM-CAD PCI at Fuwai Hospital from 2004 to 2016 were enrolled.

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Patient-centered care (PCC) is an innovative approach to the diagnosis and treatment of malignancy that aims to improve patients' experience during the management of their disease. However, despite growing interest, the concept and specifics of PCC remain unclear. This consensus document addresses this gap by providing a literature review and a clear definition of PCC and outlines its main components as observed in real-world practice.

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Development of potent and broad-spectrum drugs against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) remains one of the top priorities, especially in the cases of the emergence of mutant viruses and inability of current vaccines to prevent viral transmission. In this study, we have generated a novel membrane fusion-inhibitory lipopeptide IPB29, which is currently under clinical trials; herein, we report its design strategy and preclinical data. First, we surprisingly found that IPB29 with a rigid linker between the peptide sequence and lipid molecule had greatly improved α-helical structure and antiviral activity.

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No systematic research has been reported on the correlation between different ecological factors and the effective component content, flower, and leaf traits of Epimedium pubescens. In this study, 21 kinds of E. pubescens in different regions were investigated, and the content of two effective components of icariin(I) and Epimedin C(C), as well as six leaf traits and 12 flower traits were determined.

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Article Synopsis
  • - The study examined how long-term exposure to fine particulate matter (PM) affects the relationship between physical activity (PA) and type 2 diabetes risk among 71,689 participants, revealing an unclear interaction between the two.
  • - Results showed that higher levels of PA significantly lowered the risk of developing type 2 diabetes in areas with low PM levels, but the protective effect diminished and even reversed in high PM areas, with increased risks observed at higher PA intensities.
  • - The conclusion emphasized that while PA can reduce diabetes risk in low pollution settings, high PM exposure may undermine these benefits, highlighting the need for careful consideration of health risks for residents in polluted environments.
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Maternal embryonic leucine zipper kinase (MELK) is a novel target for the treatment of various kinds of B-cell malignancies. However, the toxicity of inhibitors of MELK has led to clinical failures in cancer treatments. Moreover, inactivation of MELK catalytic domain is insufficient for achieving cancer cell apoptosis.

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Previous studies have found that the peripheral immune environment is closely related to the occurrence and development of intracranial aneurysms. However, it remains unclear how the metabolism of peripheral blood mononuclear cells (PBMCs) and the composition of polymorphonuclear leukocytes (PMNs) changes in the process of intracranial aneurysm rupture. This study utilized cytometry by time of flight technology to conduct single-cell profiling analysis of PBMCs and PMNs from 72 patients with IAs.

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Over the past decades, red meat allergy, also known as mammalian meat allergy, which manifests differently from classic food allergies, has been reported in different countries and regions, including China. The allergen of this disease is not a protein but an oligosaccharide: galactose-α-1,3-galactose, i.e.

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Intracerebral hemorrhage (ICH) poses a formidable challenge in stroke management, with limited therapeutic options, particularly in the realm of immune-targeted interventions. Clinical trials targeting immune responses post-ICH have encountered setbacks, potentially attributable to the substantial cellular heterogeneity and intricate intercellular networks within the brain. Here, we present a pioneering investigation utilizing single-cell RNA sequencing and spatial transcriptome profiling at hyperacute (1 h), acute (24 h), and subacute (7 days) intervals post-ICH, aimed at unraveling the dynamic immunological landscape and spatial distributions within the cerebral tissue.

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Left Bundle Branch Area Pacing With or Without Conduction System Capture in Heart Failure Models.

JACC Clin Electrophysiol

October 2024

Department of Cardiology, The Cardiac Arrhythmia Center, State Key Laboratory of Cardiovascular Disease, National Clinical Research Center of Cardiovascular Diseases, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China. Electronic address:

Background: Left bundle branch area pacing includes left bundle branch pacing (LBBP) and left ventricular septal pacing (LVSP), which is effective in patients with dyssynchronous heart failure (DHF). However, the basic mechanisms are unknown.

Objectives: This study aimed to compare LBBP with LVSP and explore potential mechanisms underlying the better clinical outcomes of LBBP.

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Patients with locally advanced head and neck squamous cell carcinoma (LA-HNSCC) have poor survival outcomes. The real-world efficacy of nimotuzumab plus intensity modulated radiotherapy (IMRT)-based chemoradiotherapy in patients with LA-HNSCC remains unclear. A total of 25,442 HNSCC patients were screened, and 612 patients were matched by propensity score matching (PSM) (1:1).

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Article Synopsis
  • The 3D culture system is being developed as an effective preclinical model for tumor research, replicating the structure and characteristics of solid tumors more accurately than traditional methods.* -
  • It offers benefits such as high throughput, efficiency, and the ability to maintain tumor heterogeneity, and utilizes techniques like introducing different cell types and various culture models.* -
  • These systems help in studying the tumor microenvironment, testing immunotherapy, discovering biomarkers, screening drugs, and aim to enhance clinical applications and patient outcomes.*
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Background: Increasing evidence has shown that connexins are involved in the regulation of tumor development, immune escape, and drug resistance. This study investigated the gene expression patterns, prognostic values, and potential mechanisms of connexins in breast cancer.

Methods: We conducted a comprehensive analysis of connexins using public gene and protein expression databases and clinical samples from our institution.

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Background: The current standard of care for advanced human epidermal growth factor receptor 2 (HER2)-positive breast cancer is pertuzumab plus trastuzumab and docetaxel as first-line therapy. However, with the development of newer treatment regimens, there is a lack of evidence regarding which is the optimal treatment strategy. The aim of this network meta-analysis was to evaluate the efficacy and safety of first-line regimens for advanced HER2-positive breast cancer by indirect comparisons.

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Background: The rate at which the anticancer drug paclitaxel is cleared from the body markedly impacts its dosage and chemotherapy effectiveness. Importantly, paclitaxel clearance varies among individuals, primarily because of genetic polymorphisms. This metabolic variability arises from a nonlinear process that is influenced by multiple single nucleotide polymorphisms (SNPs).

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Article Synopsis
  • The buildup of intracellular disulfides in SLC7A11 cells occurs when there's a lack of glucose, leading to a specific type of cell death known as disulfidptosis.
  • Disulfidptosis has promising applications in diagnosing and treating tumors.
  • Understanding this process could open new avenues for cancer therapies and diagnostic methods.
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