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JOURNAL ARTICLE
Hye Sook Kim, Jong Kwang Kim, Jeong Hyeon Lee, Young Joo Lee, Geon-Kuk Lee, Ji-Youn Han
PURPOSE: High-grade neuroendocrine carcinoma (HGNEC) of the lung is an aggressive cancer with a complex biology. We aimed to explore the prognostic value of genetic aberrations and poly(ADP-ribose) polymerase-1 (PARP1) expression in HGNEC and to establish a novel prognostic model. MATERIALS AND METHODS: We retrospectively enrolled 191 patients with histologically confirmed HGNEC of the lung. Tumor tissues were analyzed using PARP1 immunohistochemistry (IHC; N = 191) and comprehensive cancer panel sequencing (n = 102)...
April 2024: JCO Precision Oncology
#2
JOURNAL ARTICLE
Er-Ying Hao, Xue-Lu Liu, Li-Yun Chang, Han Xue, Bo-Fei Su, Yi-Fan Chen, De-He Wang, Lei Shi, Hui Chen
Granular cell apoptosis is a key factor leading to follicular atresia and decreased laying rate in aged laying hens. Endoplasmic reticulum stress (ERS) induced cell apoptosis is a new type of apoptosis pathway. Previous studies have shown that the ERS pathway is involved in the regulation of follicular development and atresia, and can be regulated by mTOR. Melatonin (MEL) can protect the normal development of follicles, but the precise mechanism by which MEL regulates follicular development is not yet clear...
April 4, 2024: Poultry Science
#3
JOURNAL ARTICLE
Pierpaolo Ginefra, Helen Carrasco Hope, Yi-Hsuan Chiang, Sophie Nutten, Stephanie Blum, George Coukos, Nicola Vannini
Naïve T cells are key players in cancer immunosurveillance, even though their function declines during tumor progression. Thus, interventions capable of sustaining the quality and function of naïve T cells are needed to improve cancer immunoprevention. In this context, we studied the capacity of Urolithin-A (UroA), a potent mitophagy inducer, to enhance T-cell mediated cancer immunosurveillance. We discovered that UroA improved the cancer immune response by activating the transcription factor FOXO1 in CD8+ T cell...
April 16, 2024: Cancer Res Commun
#4
JOURNAL ARTICLE
Jinhai Chen, Min Mao, Zhaoen Ma, Jie Liu, Minqiong Jiang, Guangui Chen, Yali Xu
Background: Nasopharyngeal carcinoma (NPC) is an epithelial tumor of the head and neck with heterogeneous racial and geographical distributions. Homeobox B2 (HOXB2) is a tumor promoter in many cancers. However, the biological role of HOXB2 in NPC has not been elucidated. Methods: Bioinformatics analysis was performed to identify the differentially expressed genes (DEGs) between samples of patients with radiosensitive and radioresistant NPC. qRT-PCR, western blotting and immunohistochemistry were used to detect the expression levels of the corresponding mRNA and proteins...
2024: International Journal of Medical Sciences
#5
JOURNAL ARTICLE
Marienid Flores-Colón, Mariela Rivera-Serrano, Víctor G Reyes-Burgos, José G Rolón, Josué Pérez-Santiago, María J Marcos-Martínez, Fatima Valiyeva, Pablo E Vivas-Mejía
Metastasis and drug resistance are major contributors to cancer-related fatalities worldwide. In ovarian cancer (OC), a staggering 70% develop resistance to the front-line therapy, cisplatin. Despite proposed mechanisms, the molecular events driving cisplatin resistance remain unclear. Dysregulated microRNAs (miRNAs) play a role in OC initiation, progression, and chemoresistance, yet few studies have compared miRNA expression in OC samples and cell lines. This study aimed to identify key miRNAs involved in the cisplatin resistance of high-grade-serous-ovarian-cancer (HGSOC), the most common gynecological malignancy...
March 28, 2024: International Journal of Molecular Sciences
#6
Evelina Rogges, Sabrina Pelliccia, Camilla Savio, Gianluca Lopez, Irene Della Starza, Giacinto La Verde, Arianna Di Napoli
Human herpesvirus 8 (HHV8)-associated diseases include Kaposi sarcoma (KS), multicentric Castleman disease (MCD), germinotropic lymphoproliferative disorder (GLPD), Kaposi sarcoma inflammatory cytokine syndrome (KICS), HHV8-positive diffuse large B-cell lymphoma (HHV8+ DLBCL), primary effusion lymphoma (PEL), and extra-cavitary PEL (ECPEL). We report the case of a human immunodeficiency virus (HIV)-negative male treated for cutaneous KS, who developed generalized lymphadenopathy, hepatosplenomegaly, pleural and abdominal effusions, renal insufficiency, and pancytopenia...
March 28, 2024: International Journal of Molecular Sciences
#7
REVIEW
Henry de Traux De Wardin, Joanna Cyrta, Josephine K Dermawan, Delphine Guillemot, Daniel Orbach, Isabelle Aerts, Gaelle Pierron, Cristina R Antonescu
The wide application of RNA sequencing in clinical practice has allowed the discovery of novel fusion genes, which have contributed to a refined molecular classification of rhabdomyosarcoma (RMS). Most fusions in RMS result in aberrant transcription factors, such as PAX3/7::FOXO1 in alveolar RMS (ARMS) and fusions involving VGLL2 or NCOA2 in infantile spindle cell RMS. However, recurrent fusions driving oncogenic kinase activation have not been reported in RMS. Triggered by an index case of an unclassified RMS (overlapping features between ARMS and sclerosing RMS) with a novel FGFR1::ANK1 fusion, we reviewed our molecular files for cases harboring FGFR1-related fusions...
April 2024: Genes, Chromosomes & Cancer
#8
JOURNAL ARTICLE
Wei Wang, Dan Wang, Xinyi Zhang, Xiaoli Liu, Xi Niu, Sheng Li, Shihui Huang, Xueqin Ran, Jiafu Wang
In this study, we compared the transcriptome of longissimus dorsi muscle between Guizhou Xiang pigs (XP) and Western commercial Large White pigs (LW), which show diffirent meat quality between them. In terms of meat quality traits, the pH 45 min, color score, backfat thickness, and intramuscular fat (IMF) content were higher in Xiang pigs than in Large White pigs (P < 0.01), while the drip loss, lean meat percentage, shear force, and longissimus dorsi muscle area of Xiang pigs were lower than that of Large White pigs (P < 0...
April 11, 2024: Scientific Reports
#9
JOURNAL ARTICLE
Hillary M Layden, Jacob D Ellis, Monica L Bomber, Luke N Bartlett, Scott W Hiebert, Kristy R Stengel
Transcriptional dysregulation is a hallmark of diffuse large B cell lymphoma (DLBCL), as transcriptional regulators are frequently mutated. However, our mechanistic understanding of how normal transcriptional programs are co-opted in DLBCL has been hindered by a lack of methodologies that provide the temporal resolution required to separate direct and indirect effects on transcriptional control. We applied a chemical-genetic approach to engineer the inducible degradation of the transcription factor FOXO1, which is recurrently mutated (mFOXO1) in DLBCL...
April 10, 2024: Cell Genom
#10
JOURNAL ARTICLE
Alexander E Doan, Katherine P Mueller, Andy Y Chen, Geoffrey T Rouin, Yingshi Chen, Bence Daniel, John Lattin, Martina Markovska, Brett Mozarsky, Jose Arias-Umana, Robert Hapke, In-Young Jung, Alice Wang, Peng Xu, Dorota Klysz, Gabrielle Zuern, Malek Bashti, Patrick J Quinn, Zhuang Miao, Katalin Sandor, Wenxi Zhang, Gregory M Chen, Faith Ryu, Meghan Logun, Junior Hall, Kai Tan, Stephan A Grupp, Susan E McClory, Caleb A Lareau, Joseph A Fraietta, Elena Sotillo, Ansuman T Satpathy, Crystal L Mackall, Evan W Weber
A major limitation of chimeric antigen receptor (CAR) T cell therapies is the poor persistence of these cells in vivo1 . The expression of memory-associated genes in CAR T cells is linked to their long-term persistence in patients and clinical efficacy2-6 , suggesting that memory programs may underpin durable CAR T cell function. Here we show that the transcription factor FOXO1 is responsible for promoting memory and restraining exhaustion in human CAR T cells. Pharmacological inhibition or gene editing of endogenous FOXO1 diminished the expression of memory-associated genes, promoted an exhaustion-like phenotype and impaired the antitumour activity of CAR T cells...
April 10, 2024: Nature
#11
JOURNAL ARTICLE
Jack D Chan, Christina M Scheffler, Isabelle Munoz, Kevin Sek, Joel N Lee, Yu-Kuan Huang, Kah Min Yap, Nicole Y L Saw, Jasmine Li, Amanda X Y Chen, Cheok Weng Chan, Emily B Derrick, Kirsten L Todd, Junming Tong, Phoebe A Dunbar, Jiawen Li, Thang X Hoang, Maria N de Menezes, Emma V Petley, Joelle S Kim, Dat Nguyen, Patrick S K Leung, Joan So, Christian Deguit, Joe Zhu, Imran G House, Lev M Kats, Andrew M Scott, Benjamin J Solomon, Simon J Harrison, Jane Oliaro, Ian A Parish, Kylie M Quinn, Paul J Neeson, Clare Y Slaney, Junyun Lai, Paul A Beavis, Phillip K Darcy
Chimeric antigen receptor (CAR) T cell therapy has transformed the treatment of haematological malignancies such as acute lymphoblastic leukaemia, B cell lymphoma and multiple myeloma1-4 , but the efficacy of CAR T cell therapy in solid tumours has been limited5 . This is owing to a number of factors, including the immunosuppressive tumour microenvironment that gives rise to poorly persisting and metabolically dysfunctional T cells. Analysis of anti-CD19 CAR T cells used clinically has shown that positive treatment outcomes are associated with a more 'stem-like' phenotype and increased mitochondrial mass6-8 ...
April 10, 2024: Nature
#12
JOURNAL ARTICLE
Guangfu Zhao, Yunhan Tang, Ruitong Dan, Muhan Xie, Tianci Zhang, Pan Li, Fang He, Nengzhang Li, Yuanyi Peng
Pasteurella multocida is an important zoonotic respiratory pathogen capable of infecting a diverse range of hosts, including humans, farm animals, and wild animals. However, the precise mechanisms by which P. multocida compromises the pulmonary integrity of mammals and subsequently induces systemic infection remain largely unexplored. In this study, based on mouse and rabbit models, we found that P. multocida causes not only lung damage but also bacteremia due to the loss of lung integrity. Furthermore, we demonstrated that bacteremia is an important aspect of P...
April 8, 2024: Veterinary Research
#13
JOURNAL ARTICLE
Anugya Gupta, Rajesh Haldhar, Vipul Agarwal, Dharmendra Singh Rajput, Kyung-Soo Chun, Sang Beom Han, Vinit Raj, Sangkil Lee
FoxO1, a member of the Forkhead transcription factor family subgroup O (FoxO), is expressed in a range of cell types and is crucial for various pathophysiological processes, such as apoptosis and inflammation. While FoxO1's roles in multiple diseases have been recognized, the target has remained largely unexplored due to the absence of cost-effective and efficient inhibitors. Therefore, there is a need for natural FoxO1 inhibitors with minimal adverse effects. In this study, docking, MMGBSA, and ADMET analyses were performed to identify natural compounds that exhibit strong binding affinity to FoxO1...
April 9, 2024: Biomolecules & Therapeutics
#14
JOURNAL ARTICLE
Hyeonjin Hur, Hye-Jin Kim, Dongheon Lee, Cheorun Jo
This study aimed to investigate the potential of beef peptides (BPs) in mitigating muscle atrophy induced by dexamethasone (DEX) with underlying three mechanisms in vitro (protein degradation, protein synthesis, and the oxidative stress pathway). Finally, the anti-atrophic effect of BPs was enhanced through purification and isolation. BPs were generated using beef loin hydrolyzed with alcalase/ProteAX/trypsin, each at a concentration of 0.67%, followed by ultrafiltration through a 3 kDa cut-off. BPs (10-100 μg mL-1 ) dose-dependently counteracted the DEX-induced reductions in myotube diameters, differentiation, fusion, and maturation indices ( p < 0...
April 8, 2024: Food & Function
#15
JOURNAL ARTICLE
Arnault Tauziède-Espariat, Yvan Nicaise, Philipp Sievers, Felix Sahm, Andreas von Deimling, Delphine Guillemot, Gaëlle Pierron, Mathilde Duchesne, Myriam Edjlali, Volodia Dangouloff-Ros, Nathalie Boddaert, Alexandre Roux, Edouard Dezamis, Lauren Hasty, Benoît Lhermitte, Edouard Hirsch, Maria Paola Valenti Hirsch, François-Daniel Ardellier, Mélodie-Anne Karnoub, Marie Csanyi, Claude-Alain Maurage, Karima Mokhtari, Franck Bielle, Valérie Rigau, Thomas Roujeau, Marine Abad, Sébastien Klein, Michèle Bernier, Catherine Horodyckid, Clovis Adam, Petter Brandal, Pitt Niehusmann, Quentin Vannod-Michel, Corentin Provost, Nicolas Menjot de Champfleur, Lucia Nichelli, Alice Métais, Cassandra Mariet, Fabrice Chrétien, Thomas Blauwblomme, Kévin Beccaria, Johan Pallud, Stéphanie Puget, Emmanuelle Uro-Coste, Pascale Varlet
A novel methylation class, "neuroepithelial tumor, with PLAGL1 fusion" (NET-PLAGL1), has recently been described, based on epigenetic features, as a supratentorial pediatric brain tumor with recurrent histopathological features suggesting an ependymal differentiation. Because of the recent identification of this neoplastic entity, few histopathological, radiological and clinical data are available. Herein, we present a detailed series of nine cases of PLAGL1-fused supratentorial tumors, reclassified from a series of supratentorial ependymomas, non-ZFTA/non-YAP1 fusion-positive and subependymomas of the young...
April 5, 2024: Acta Neuropathologica Communications
#16
JOURNAL ARTICLE
Liu Liu, Ienglam Lei, Shuo Tian, Wenbin Gao, Yijing Guo, Zhaokai Li, Ziad Sabry, Paul Tang, Y Eugene Chen, Zhong Wang
Cell fate conversion is associated with extensive post-translational modifications (PTMs) and architectural changes of sub-organelles, yet how these events are interconnected remains unknown. We report here the identification of a phosphorylation code in 14-3-3 binding motifs (PC14-3-3) that greatly stimulates induced cardiomyocyte (iCM) formation from fibroblasts. PC14-3-3 is identified in pivotal functional proteins for iCM reprogramming, including transcription factors and chromatin modifiers. Akt1 kinase and protein phosphatase 2A are the key writer and key eraser of the PC14-3-3 code, respectively...
April 4, 2024: Cell Reports
#17
JOURNAL ARTICLE
Bin Wang, Mingxia Gao, Ying Yao, Haofei Shen, Hongwei Li, Jingjing Sun, Liyan Wang, Xuehong Zhang
Inadequate endometrial receptivity often results in embryo implantation failure and miscarriage. Human chorionic gonadotropin (hCG) is a key signaling molecule secreted during early embryonic development, which regulates embryonic maternal interface signaling and promotes embryo implantation. This study aimed to examine the impact of hCG on endometrial receptivity and its underlying mechanisms. An exploratory study was designed, and endometrial samples were obtained from women diagnosed with simple tubal infertility or male factor infertile (n = 12) and recurrent implantation failure (RIF, n = 10)...
April 4, 2024: Reproductive Biology and Endocrinology: RB&E
#18
JOURNAL ARTICLE
Ping Lin, Jiandong Wang, Yuyan Li, Guofeng Li, Ying Wang
OBJECTIVE: To explore the molecular mechanism of long non-coding RNA (lncRNA) LINC00472 in Alzheimer's Disease (AD). METHOD: Ferroptosis-related lncRNAs were screened by GEO database. AD mouse model was constructed for in vivo experimental. The content of Aβ protein and Tau protein hyperphosphorylation were examined in Hippocampal tissue samples of mice. Subsequently, HT22 cells were induced with Aβ25-35 to establish a neuronal injury model of AD in vitro...
April 4, 2024: Dementia and Geriatric Cognitive Disorders
#19
JOURNAL ARTICLE
Xiaomei Zhang, Lihao Ge, Guanghui Jin, Yasong Liu, Qingfen Yu, Weizhao Chen, Liang Chen, Tao Dong, Kiyoharu J Miyagishima, Juan Shen, Jinghong Yang, Guo Lv, Yan Xu, Qing Yang, Linsen Ye, Shuhong Yi, Hua Li, Qi Zhang, Guihua Chen, Wei Liu, Yang Yang, Wei Li, Jingxing Ou
Cold-induced injuries severely limit opportunities and outcomes of hypothermic therapies and organ preservation, calling for better understanding of cold adaptation. Here, by surveying cold-altered chromatin accessibility and integrated CUT&Tag/RNA-seq analyses in human stem cells, we reveal forkhead box O1 (FOXO1) as a key transcription factor for autonomous cold adaptation. Accordingly, we find a nonconventional, temperature-sensitive FOXO1 transport mechanism involving the nuclear pore complex protein RANBP2, SUMO-modification of transporter proteins Importin-7 and Exportin-1, and a SUMO-interacting motif on FOXO1...
April 3, 2024: Nature Communications
#20
JOURNAL ARTICLE
Hyung-Won Lee, Rajendra Karki, Joo-Hui Han
BACKGROUND: Because obesity is associated with a hyperplasia-mediated increase in adipose tissue, inhibiting cell proliferation during mitotic clonal expansion (MCE) is a leading strategy for preventing obesity. Although (-)-hydroxycitric acid (HCA) is used to control obesity, the molecular mechanisms underlying its effects on MCE are poorly understood. PURPOSE: This study aimed to investigate the potential effects of HCA on MCE and underlying molecular mechanisms affecting adipogenesis and obesity improvements...
March 20, 2024: Phytomedicine
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