André, Sonia Picard, Morgane Cezar, Renaud Roux-Dalvai, Florence Alleaume-Butaux, Aurélie Soundaramourty, Calaiselvy Cruz, André Santa Mendes-Frias, Ana Gotti, Clarisse Leclercq, Mickaël
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Cell death and differentiation
Severe SARS-CoV-2 infections are characterized by lymphopenia, but the mechanisms involved are still elusive. Based on our knowledge of HIV pathophysiology, we hypothesized that SARS-CoV-2 infection-mediated lymphopenia could also be related to T cell apoptosis. By comparing intensive care unit (ICU) and non-ICU COVID-19 patients with age-matched h...
Yang, Yang Wu, Yongjian Meng, Xiaojun Wang, Zhiying Younis, Muhammad Liu, Ye Wang, Peihui Huang, Xi
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Cell death and differentiation
Deaths caused by coronavirus disease 2019 (COVID-19) are largely due to the lungs edema resulting from the disruption of the lung alveolo-capillary barrier, induced by SARS-CoV-2-triggered pulmonary cell apoptosis. However, the molecular mechanism underlying the proapoptotic role of SARS-CoV-2 is still unclear. Here, we revealed that SARS-CoV-2 mem...
Balihodzic, Amar Prinz, Felix Dengler, Michael A Calin, George A Jost, Philipp J Pichler, Martin
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Cell death and differentiation
Ferroptosis is a recently defined form of regulated cell death, which is biochemically and morphologically distinct from traditional forms of programmed cell death such as apoptosis or necrosis. It is driven by iron, reactive oxygen species, and phospholipids that are oxidatively damaged, ultimately resulting in mitochondrial damage and breakdown o...
Li, Changwei Qiu, Minglong Chang, Leilei Qi, Jin Zhang, Lianfang Ryffel, Bernhard Deng, Lianfu
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Cell death and differentiation
Bone homeostasis is maintained through a balance of bone formation by osteoblasts and bone resorption by osteoclasts. Ubiquitin-specific proteases (USPs) are involved in regulating bone metabolism by preserving bone formation or antagonizing bone resorption. However, the specific USPs that maintain bone homeostasis by orchestrating bone formation a...
Fernández-Duran, Irene Quintanilla, Andrea Tarrats, Núria Birch, Jodie Hari, Priya Millar, Fraser R Lagnado, Anthony B Smer-Barreto, Vanessa Muir, Morwenna Brunton, Valerie G
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Cell death and differentiation
Cytoplasmic recognition of microbial lipopolysaccharides (LPS) in human cells is elicited by the caspase-4 and caspase-5 noncanonical inflammasomes, which induce a form of inflammatory cell death termed pyroptosis. Here we show that LPS-mediated activation of caspase-4 also induces a stress response promoting cellular senescence, which is dependent...
Li, Qing Wang, Ying Sun, Qiang Knopf, Jasmin Herrmann, Martin Lin, Liangyu Jiang, Jingting Shao, Changshun Li, Peishan He, Xiaozhou
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Cell death and differentiation
The coronavirus disease 2019 (COVID-19) has been a global pandemic for more than 2 years and it still impacts our daily lifestyle and quality in unprecedented ways. A better understanding of immunity and its regulation in response to SARS-CoV-2 infection is urgently needed. Based on the current literature, we review here the various virus mutations...
Hu, Yiming Zhang, Haohao Xie, Ningxia Liu, Dandan Jiang, Yuhang Liu, Zhi Ye, Deji Liu, Sanhong Chen, Xi Li, Cuifeng
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Cell death and differentiation
Tumor necrosis factor-α (TNF) is described as a main regulator of cell survival and apoptosis in multiple types of cells, including hepatocytes. Dysregulation in TNF-induced apoptosis is associated with many autoimmune diseases and various liver diseases. Here, we demonstrated a crucial role of Bcl-3, an IκB family member, in regulating TNF-induced...
Valionyte, Evelina Yang, Yi Griffiths, Sophie A Bone, Amelia T Barrow, Elizabeth R Sharma, Vikram Lu, Boxun Luo, Shouqing
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Cell death and differentiation
SQSTM1/p62, as a major autophagy receptor, forms droplets that are critical for cargo recognition, nucleation, and clearance. p62 droplets also function as liquid assembly platforms to allow the formation of autophagosomes at their surfaces. It is unknown how p62-droplet formation is regulated under physiological or pathological conditions. Here, w...
Hwang, Su Jung Ahn, Bum Ju Shin, Min-Wook Song, Ye-Seul Choi, Youngbin Oh, Goo Taeg Kim, Kyu-Won Lee, Hyo-Jong
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Cell death and differentiation
Ninjurin1 (Ninj1), an adhesion molecule, regulates macrophage function in hyaloid regression, multiple sclerosis, and atherosclerosis. However, its biological relevance and the mechanism underlying its function in vascular network integrity have not been studied. In this study, we investigated the role of Ninj1 in physiological (postnatal vessel fo...
Wu, P Tian, Y Chen, G Wang, B Gui, L Xi, L Ma, X Fang, Y Zhu, T Wang, D
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Cell death and differentiation