Publications by authors named "Jianyong Sun"

Background: Myocardial infarction (MI) is a high-prevalence disease that threatens human survival and quality of life worldwide. Considerable evidence has suggested that periodontitis (PD) is detrimental to MI. However, the direct impact of PD on MI is unclear; which oral pathobionts contribute to and how microbial signals regulate the pathogenesis of MI remain obscure.

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In cells, various proteins interact to form protein-protein interaction networks. Protein complexes serve as the fundamental units that enable essential functions in biological organisms. Directly detecting protein complexes in protein-protein interaction networks using biology-based methods is costly and time-consuming.

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Surgery is the primary treatment for thymoma. Although subxiphoid and subcostal arch thoracoscopic thymoma surgery is widely used, there is currently a lack of consensus regarding its use, nor have standards been established. Based on the surgical experience of many domestic thoracic surgery centers, the Department of Thoracic Surgery of Tangdu Hospital of Air Force Medical University has formulated this expert consensus regarding key clinical issues related to thoracoscopic thymoma surgery, including preoperative evaluation, surgical indications, preoperative preparation, surgical details, perioperative management, postoperative treatment, and follow-up.

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Background: Leishmaniasis is a vector-borne parasitic disease caused by protozoa of the Leishmania genus; it is transmitted through the bites of infected phlebotomine sandflies. Clinically, it manifests in three primary forms: cutaneous, mucocutaneous, and visceral leishmaniasis (VL). Among these, VL represents the most severe form, characterized by high morbidity and mortality, and poses a considerable public health burden, particularly in endemic regions.

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Background: Fork-head box protein M1 (FOXM1) plays critical roles in development and progression of multiple cancers, including hepatocellular carcinoma (HCC). However, the exact regulatory hierarchy of FOXM1 remains unclear. Here, a genome-wide screen is performed to identify intranuclear proteins that promote FOXM1 transcription activity via liquid-liquid phase separation (LLPS).

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Primary or acquired mutations in RAS/RAF genes resulting in cetuximab resistance have limited its clinical application in colorectal cancer (CRC) patients. The mechanism of this resistance remains unclear. RNA sequencing from cetuximab-sensitive and -resistant specimens revealed an activation of the tryptophan pathway and elevation of IDO1 and IDO2 in cetuximab-resistant CRC patients.

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Objective: The present retrospective cohort study aims to evaluate the efficacy and safety of neoadjuvant immunochemotherapy for resectable esophageal cancer and report the preliminary short-term survival.

Methods: A multicenter, retrospective study was conducted concerning patients who received neoadjuvant PD-1 agents plus platinum-based chemotherapy between January 2019 and January 2022. The primary endpoint was the tumor pathologic complete response (pCR) rate.

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Although platinum-based chemotherapy represented by cisplatin has been widely approved for the management of diverse cancer types, its hepatotoxicity and other adverse effects impact patient prognosis, while currently, there are few effective strategies for prevention or treatment. RNA sequencing analysis indicated that the type I interferon (IFN-I) pathway was significantly upregulated in cisplatin-induced liver injury (CILI) mouse model. The cGAS-STING signaling was found to be significantly activated in vitro and CILI model in vivo.

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Myocardial infarction (MI) is a type of cardiovascular disease that influences millions of human beings worldwide and has a great rate of mortality and morbidity. Spironolactone has been used as a critical drug for the treatment of cardiac failure and it ameliorates cardiac dysfunction post-MI. Despite these findings, whether there is a relationship between the therapeutic effects of spironolactone and the gut microorganism after MI has not been determined.

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Background: The efficacy of neoadjuvant chemo-immunotherapy (NAT) in esophageal squamous cell carcinoma (ESCC) is challenged by the intricate interplay within the tumor microenvironment (TME). Unveiling the immune landscape of ESCC in the context of NAT could shed light on heterogeneity and optimize therapeutic strategies for patients.

Methods: We analyzed single cells from 22 baseline and 24 post-NAT treatment samples of stage II/III ESCC patients to explore the association between the immune landscape and pathological response to neoadjuvant anti-PD-1 combination therapy, including pathological complete response (pCR), major pathological response (MPR), and incomplete pathological response (IPR).

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The lysyl oxidase (LOX) gene family encodes for a group of copper-dependent enzymes that play a crucial role in the cross-linking of collagen and elastin fibers in the extracellular matrix (ECM). Dysregulation of LOX gene expression has been implicated in various pathological conditions, including cancer. Several studies have shown that the LOX gene family is involved in cancer progression and metastasis.

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Importance: The benefit of neoadjuvant camrelizumab plus chemotherapy for resectable stage IIIA or IIIB non-small cell lung cancer (NSCLC) remains unknown.

Objective: To assess the efficacy and safety of neoadjuvant camrelizumab plus chemotherapy vs chemotherapy alone for patients with resectable stage IIIA or IIIB NSCLC.

Design, Setting, And Participants: In this randomized phase 2 clinical trial conducted at 2 hospitals in China, patients aged 18 to 70 years with resectable stage IIIA or IIIB (T3N2) NSCLC were enrolled between April 7, 2020, and January 12, 2022.

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Background: This study aimed to investigate the prospects of using chemotherapy in combination with atezolizumab in the neoadjuvant or conversion treatment of small cell lung cancer (SCLC).

Methods: Prior to surgery, untreated patients with limited-stage SCLC received three cycles of neoadjuvant or conversion atezolizumab combined with chemotherapy of etoposide and platinum. The primary endpoint of the trial was pathological complete response (pCR) in the per-protocol (PP) cohort.

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The complex excited energy levels in the diode-pumped metastable Ar laser may induce harmful effects in laser cycling. Significantly, the influence of the population distribution in 2p energy levels on the laser performance is unclear yet. In this work, the absolute populations in all the 2p states were measured online by the simultaneous applications of tunable diode laser absorption spectroscopy and optical emission spectroscopy.

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The liver plays a protective role in myocardial infarction (MI). However, very little is known about the mechanisms. Here, we identify mineralocorticoid receptor (MR) as a pivotal nexus that conveys communications between the liver and the heart during MI.

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Pareto local search (PLS) is a natural extension of local search for multiobjective combinatorial optimization problems (MCOPs). In our previous work, we improved the anytime performance of PLS using parallel computing techniques and proposed a parallel PLS based on decomposition (PPLS/D). In PPLS/D, the solution space is searched by multiple independent parallel processes simultaneously.

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Introduction: Considerable evidence has linked periodontitis (PD) to hypertension (HTN), but the nature behind this connection is unclear. Dysbiosis of oral microbiota leading to PD is known to aggravate different systematic diseases, but the alteration of oral microbiota in HTN and their impacts on blood pressure (BP) remains to be discovered.

Objectives: To characterize the alterations of oral and gut microbiota and their roles in HTN.

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The mycobiome is an essential constituent of the human microbiome and is associated with various diseases. However, the role of oral and gut fungi in hypertension (HTN) remains largely unexplored. In this study, saliva, subgingival plaques, and feces were collected from 36 participants with HTN and 24 healthy controls for metagenomic sequencing.

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Article Synopsis
  • Scientists studied a protein called NCOR1 that affects smooth muscle cells in blood vessels, which is important for understanding aorta problems called aortic aneurysms (AA).
  • They found that when NCOR1 was taken away from mice, the muscle cells changed, leading to less strength and more breakdown, which can cause aortic issues.
  • The results showed that NCOR1 helps keep the muscle cells strong and healthy, and changing its levels might help treat aortic aneurysms.
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Article Synopsis
  • Matrix factorization (MF) methods break down a data matrix into two low-rank matrices (U and V), where entries are modeled as Gaussian distributions based on the inner products of U and V.
  • The article proposes a generative latent variable model that treats the columns of U and V as mixtures of Gaussians, allowing for a joint modeling of an attribute matrix with the data matrix using concepts of conditional independence.
  • To deal with computational complexity, the authors utilize variational Bayes for efficiently inferring the posterior distributions and model parameters, showing through experiments that their approach outperforms many current MF and non-MF methods in tasks like collaborative filtering and community detection.
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Mineralocorticoid receptor (MR) is a classic nuclear receptor and an effective drug target in the cardiovascular system. The function of MR in immune cells such as macrophages and T cells has been increasingly appreciated. The aim of this study was to investigate the function of Treg MR in the process of inflammatory bowel disease (IBD).

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Article Synopsis
  • A study assessed the effectiveness and safety of the PD-1 inhibitor tislelizumab combined with chemotherapy as a pre-surgery treatment for resectable esophageal squamous cell carcinoma (ESCC).
  • Out of 45 enrolled patients, 80% underwent surgery, showing high rates of major pathological response (MPR) at 72% and complete response (pCR) at 50%.
  • The combination treatment displayed good tolerability, with manageable side effects and no reported treatment-related surgical delays or deaths.
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Background: The COX/PGE2 pathway is widely involved in the development of tumors and the regulation of tumor immune cells such as T cells, NK cells and DCs. However, little information is available on the single nucleotide polymorphisms (SNPs) of COX/PGE2 pathway-related genes in patients with lung cancer.

Methods: Seven SNPs of the PTGS2, PTGER2 and PTGIS genes were genotyped in a case-control cohort including 600 lung cancer cases and 600 controls using the MassARRAY platform.

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Rationale: Mineralocorticoid receptor (MR) antagonists have been clinically used to treat heart failure. However, the underlying cellular and molecular mechanisms remain incompletely understood.

Methods And Results: Using osteoblast MR knockout (MR) mouse in combination with myocardial infarction (MI) model, we demonstrated that MR deficiency in osteoblasts significantly improved cardiac function, promoted myocardial healing, as well as attenuated cardiac hypertrophy, fibrosis and inflammatory response after MI.

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Detecting overlapping communities of an attribute network is a ubiquitous yet very difficult task, which can be modeled as a discrete optimization problem. Besides the topological structure of the network, node attributes and node overlapping aggravate the difficulty of community detection significantly. In this article, we propose a novel continuous encoding method to convert the discrete-natured detection problem to a continuous one by associating each edge and node attribute in the network with a continuous variable.

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