Letian Wang

Transpacific Imaginaries: Chinese Canadian Engagement with China, 1858–1947

Letian Wang

This article focuses on how Chinese Canadians actively engaged with their imagined connections to China as both a source of hope and a practical resource to secure their place in Canada. These connections were embodied in the belief that the circumstances of …

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DEPTEX: Organization-First, Open Source Dependency Risk Monitoring

Henry Ruckman-Utting, Vrushal Nedungadi, Taiga Okuma, Letian Wang et autres

Open-source software (OSS) dependencies introduce systemic risks that are difficult to manage at scale. Existing Software Composition Analysis (SCA) and reachability tools generate severe alert fatigue by treating risk as an intrinsic component property, ignoring semantic context and forcing enterprises into rigid …

SN 2024abvb: A Type Icn Supernova in the Outskirts of Its Host Galaxy

Maokai Hu, Shengyu Yan, X Wang, Abdusamatjan Iskandar et autres

Abstract We present multiband photometric and spectroscopic observations of supernova (SN) 2024abvb, which exhibits early-time prominent photoionized narrow emission lines of C II superposed on a blue continuum. The absence of Balmer features indicates that the SN exploded within hydrogen-poor circumstellar matter …

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Massive stars exploding in a He-rich circumstellar medium

Yongzhi Cai, A. Pastorello, Keiichi Maeda, Jiewei Zhao et autres

We present a photometric and spectroscopic analyses of the Type Ibn supernova (SN) 2024acyl. It rises to an absolute magnitude peak of M o = −17.58 ± 0.15 mag in 10.6 days, and displays a rapid linear post-peak light-curve decline in all …

cn, it, jp, au, ie, cl, dk, tw, ru, es, il, rs, pl, gb, nl, fi, se, cy, si (code pays fourni par la source)

SN 2024abvb: A Type Icn Supernova in the Outskirts of its Host Galaxy

Maokai Hu, Shengyu Yan, Xiaofeng Wang, Abdusamatjan Iskandar et autres

We present multiband photometric and spectroscopic observations of supernova (SN) 2024abvb, which exhibits early-time prominent photoionized narrow emission lines of C II superposed on a blue continuum. The absence of Balmer features indicates that the SN exploded within hydrogen-poor circumstellar matter (CSM). …

CCL26 and CXCL12 preserve insulin-sensitizing macrophages in subcutaneous adipose tissue in obesity

Ishtiaq Jeelani, Flávia Franco da Cunha, Theresa V. Rohm, Chanond A. Nasamran et autres

Unlike visceral adipose tissue (VAT), subcutaneous adipose tissue (SAT) can protect against insulin resistance and metabolic dysfunction in obesity. Here, we show that, in obesity, subcutaneous adipose tissue macrophages (ATMs) release small extracellular vesicles (sEVs) that can improve insulin sensitivity, opposite to …

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Genome-Wide Identification of Petunia Hsp20 Gene Family and Functional Characterization of MYC2a-Regulated CIV Subfamily in Pollen Development

Bingru Zhang, Yilin Wang, Letian Wang, Jiajun Tang et autres

Plant heat shock proteins (Hsps) are from a diverse and ancient protein family, with small Hsps of ~20 kDa molecular weight classified as Hsp20s. As a key transcription factor in the jasmonic acid (JA) pathway, myelocytomatosis protein 2 (MYC2) plays a vital …

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An Hα Cloud in the H I Tail: Recent Star Formation in the Outskirts of NGC 4258 Revealed by Nanshan 1 m Telescope

Cheng Cheng, Jiasheng Huang, Peng Wei, Ali Esamdin et autres

Abstract We present first-light deep Hα imaging taken with the Nanshan 1 m wide-field telescope on the local galaxy NGC 4258, alongside archival data from Hubble Space telescope (HST), Westerbork Synthesis Radio Telescope, and The Dark Energy Camera Legacy Survey. The Hα …

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Rapid Identification of Critical States in Complex Biological Processes Based on Single-Sample Community Detection

Letian Wang, Yanbing Zhu, Xiaohua Wan, Yiming Zhang et autres

Accurate identification of critical states and their primary driving factors in complex biological processes is crucial for providing early warning signals of catastrophic shifts. Although existing methods based on dynamic network biomarkers (DNBs) have made some progress, they often fall short in …

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An H$α$ Cloud in the HI Tail: Recent Star Formation in the Outskirts of NGC 4258 Revealed by Nanshan 1-m Telescope

Cheng Cheng, Jiasheng Huang, Peng Wei, Ali Esamdin et autres

We present first-light deep H$α$ imaging taken with the Nanshan 1-meter wide-field telescope on the local galaxy NGC 4258, alongside archival data from Hubble Space telescope (HST), Westerbork Synthesis Radio Telescope, and The Dark Energy Camera Legacy Survey. The H$α$ image shows …

SN 2021hpr: A Normal Type Ia Supernova Showing Excess Emission in the Early Rising Phase

Abdusamatjan Iskandar, Xiaofeng Wang, Ali Esamdin, Xiangyun Zeng et autres

Abstract We present extensive optical observations of a nearby Type Ia supernova (SN Ia), SN 2021hpr, located in the spiral galaxy NGC 3147 at a distance of ∼45 Mpc. Our observations cover a phase within ∼1–2 days to ∼290 days after the …

Gen-miR-5 derived from Gentianella acuta inhibits PFKP to prevent fibroblast activation and alleviate myocardial fibrosis

Hongyao Ge, Zhenyu Du, Weizhe Liu, Letian Wang et autres

Introduction Myocardial fibrosis (MF) is a key pathological change in heart failure, and lactate a product of glycolysis, is an important component affecting the process of MF. miRNAs derived from Gentianella acuta (G. acuta) have been shown to effectively treat cardiac remodeling. …

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