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JOURNAL ARTICLE
Daniel Pastor-Morate, Lidia Amigo-Morán, María Garranzo-Asensio, Raquel Rejas-González, Patricia Carnicero, Nuria Rodríguez, Juan Pedro Pérez-Robledo, Rodrigo Barderas, Isabel Prieto-Nieto, Gemma Domínguez
Peritoneal metastasis of colorectal origin appears in ~10-15% of patients at the time of diagnosis and in 30-40% of cases with disease progression. Locoregional spread through the peritoneum is considered stage IVc and is associated with a poor prognosis. The development of a regional therapeutic strategy based on cytoreductive surgery, and hyperthermic intra-abdominal chemotherapy has significantly altered the course of the disease. Although recent evidence supports the benefits of cytoreductive surgery, the benefits of hyperthermic intra-abdominal chemotherapy are, however, still a matter of debate...
April 17, 2024: Journal of Pathology
#2
REVIEW
Tianchen Guo, Junfen Xu
Tumor microenvironment (TME) has been demonstrated to play a significant role in tumor initiation, progression, and metastasis. Cancer-associated fibroblasts (CAFs) are the major component of TME and exhibit heterogeneous properties in their communication with tumor cells. This heterogeneity of CAFs can be attributed to various origins, including quiescent fibroblasts, mesenchymal stem cells (MSCs), adipocytes, pericytes, endothelial cells, and mesothelial cells. Moreover, single-cell RNA sequencing has identified diverse phenotypes of CAFs, with myofibroblastic CAFs (myCAFs) and inflammatory CAFs (iCAFs) being the most acknowledged, alongside newly discovered subtypes like antigen-presenting CAFs (apCAFs)...
April 11, 2024: Cancer Metastasis Reviews
#3
JOURNAL ARTICLE
Syed S Islam, Falah H Al-Mohanna, Iman M Yousef, Ismail A Al-Badawi, Abdelilah Aboussekhra
The primary site of metastasis for epithelial ovarian cancer (EOC) is the peritoneum, and it occurs through a multistep process that begins with adhesive contacts between cancer cells and mesothelial cells. Despite evidence that Notch signaling has a role in ovarian cancer, it is unclear how exactly it contributes to ovarian cancer omental metastasis, as well as the cellular dynamics and intrinsic pathways that drive this tropism. Here we show that tumor cells produced the Notch ligand Jagged2 is a clinically and functionally critical mediator of ovarian cancer omental metastasis by activating the Notch signaling in single-layered omental mesothelial cells...
April 4, 2024: Cell Death & Disease
#4
JOURNAL ARTICLE
Felix Neuhaus, Sonja Lieber, Veronika Shinkevich, Anna Mary Steitz, Hartmann Raifer, Kathrin Roth, Florian Finkernagel, Thomas Worzfeld, Andreas Burchert, Corinna Keber, Andrea Nist, Thorsten Stiewe, Silke Reinartz, Vanessa M Beutgen, Johannes Graumann, Kim Pauck, Holger Garn, Matthias Gaida, Rolf Müller, Magdalena Huber
BACKGROUND: IL-17A and TNF synergistically promote inflammation and tumorigenesis. Their interplay and impact on ovarian carcinoma (OC) progression are, however, poorly understood. We addressed this question focusing on mesothelial cells, whose interaction with tumor cells is known to play a pivotal role in transcoelomic metastasis formation. METHODS: Flow-cytometry and immunohistochemistry experiments were employed to identify cellular sources of IL-17A and TNF...
April 2024: Clinical and Translational Medicine
#5
JOURNAL ARTICLE
Alberto Lanfranco, Sahar Rakhshan, Diego Alberti, Polyssena Renzi, Ayda Zarechian, Nicoletta Protti, Saverio Altieri, Simonetta Geninatti Crich, Annamaria Deagostino
Mesothelioma is a malignant neoplasm of mesothelial cells caused by exposure to asbestos. The average survival time after diagnosis is usually nine/twelve months. A multi-therapeutic approach is therefore required to treat and prevent recurrence. Boronated derivatives containing a carborane cage, a sulfamido group and an ureido functionality (CA-USF) have been designed, synthesised and tested, in order to couple Boron Neutron Capture Therapy (BNCT) and the inhibition of Carbonic Anhydrases (CAs), which are overexpressed in many tumours...
March 26, 2024: European Journal of Medicinal Chemistry
#6
REVIEW
Hiroki Fujimoto, Masato Yoshihara, Raymond Rodgers, Shohei Iyoshi, Kazumasa Mogi, Emiri Miyamoto, Sae Hayakawa, Maia Hayashi, Satoshi Nomura, Kazuhisa Kitami, Kaname Uno, Mai Sugiyama, Yoshihiro Koya, Yoshihiko Yamakita, Akihiro Nawa, Atsushi Enomoto, Carmela Ricciardelli, Hiroaki Kajiyama
Epithelial ovarian cancer (EOC) is often diagnosed in advanced stage with peritoneal dissemination. Recent studies indicate that aberrant accumulation of collagen fibers in tumor stroma has a variety of effects on tumor progression. We refer to remodeled fibrous stroma with altered expression of collagen molecules, increased stiffness, and highly oriented collagen fibers as tumor-associated fibrosis (TAF). TAF contributes to EOC cell invasion and metastasis in the intraperitoneal cavity. However, an understanding of molecular events involved is only just beginning to emerge...
March 28, 2024: Cancer Metastasis Reviews
#7
REVIEW
Jayati Mallick, Beenu Thakral, Qing Wei, L Jeffrey Medeiros
Mesothelial/monocytic incidental cardiac excrescence (MICE) is a rare benign lesion composed of monocytes and mesothelial cells that is most often encountered during cardiothoracic surgery. We describe a case in a 71-year-old man with known aortic valve stenosis who presented with gradual onset dyspnea over a few weeks, made worse with minimal exertion. A transesophageal echocardiogram revealed severe aortic stenosis and mild pericardial effusion. The patient underwent aortic valve replacement, coronary artery bypass, and amputation of the left atrial appendage...
March 20, 2024: Annals of Diagnostic Pathology
#8
JOURNAL ARTICLE
James Stevenson, David S Ettinger, Douglas E Wood, Dara L Aisner, Wallace Akerley, Jessica R Bauman, Ankit Bharat, Debora S Bruno, Joe Y Chang, Lucian R Chirieac, Malcolm DeCamp, Aakash Desai, Thomas J Dilling, Jonathan Dowell, Gregory A Durm, Marina C Garassino, Scott Gettinger, Travis E Grotz, Matthew A Gubens, Rudy P Lackner, Michael Lanuti, Jules Lin, Billy W Loo, Christine M Lovly, Fabien Maldonado, Erminia Massarelli, Daniel Morgensztern, Trey C Mullikin, Thomas Ng, Gregory A Otterson, Dawn Owen, Sandip P Patel, Tejas Patil, Patricio M Polanco, Gregory J Riely, Jonathan Riess, Theresa A Shapiro, Aditi P Singh, Alda Tam, Tawee Tanvetyanon, Jane Yanagawa, Stephen C Yang, Edwin Yau, Kristina Gregory, Lisa Hang
Mesothelioma is a rare cancer that originates from the mesothelial surfaces of the pleura and other sites, and is estimated to occur in approximately 3,500 people in the United States annually. Pleural mesothelioma is the most common type and represents approximately 85% of these cases. The NCCN Guidelines for Mesothelioma: Pleural provide recommendations for the diagnosis, evaluation, treatment, and follow-up for patients with pleural mesothelioma. These NCCN Guidelines Insights highlight significant updates to the NCCN Guidelines for Mesothelioma: Pleural, including revised guidance on disease classification and systemic therapy options...
March 2024: Journal of the National Comprehensive Cancer Network: JNCCN
#9
JOURNAL ARTICLE
Flavia Trionfetti, Claudia Montaldo, Ivan Caiello, Giulio Bontempi, Michela Terri, Marta Tiberi, Vanessa Marchant, Alessandro Domenici, Paolo Menè, Marco Cordani, Clemens Zwergel, Giusi Prencipe, Marta Ruiz-Ortega, Sergio Valente, Antonello Mai, Marco Tripodi, Raffaele Strippoli
Infectious peritonitis is a leading cause of peritoneal functional impairment and a primary factor for therapy discontinuation in peritoneal dialysis (PD) patients. Although bacterial infections are a common cause of peritonitis episodes, emerging evidence suggests a role for viral pathogens. Toll-like receptors (TLRs) specifically recognize conserved pathogen-associated molecular patterns (PAMPs) from bacteria, viruses, and fungi, thereby orchestrating the ensuing inflammatory/immune responses. Among TLRs, TLR3 recognizes viral dsRNA and triggers antiviral response cascades upon activation...
2024: Frontiers in Cellular and Infection Microbiology
#10
JOURNAL ARTICLE
Haojun Hua, Yanlin Deng, Jing Zhang, Xiang Zhou, Tianfu Zhang, Bee Luan Khoo
This study introduces AIEgen-Deep, an innovative classification program combining AIEgen fluorescent dyes, deep learning algorithms, and the Segment Anything Model (SAM) for accurate cancer cell identification. Our approach significantly reduces manual annotation efforts by 80%-90%. AIEgen-Deep demonstrates remarkable accuracy in recognizing cancer cell morphology, achieving a 75.9% accuracy rate across 26,693 images of eight different cell types. In binary classifications of healthy versus cancerous cells, it shows enhanced performance with an accuracy of 88...
February 7, 2024: Biosensors & Bioelectronics
#11
JOURNAL ARTICLE
Peace Mpakaniye, Annelies Boven, Steven Callens, Lars Engstrand, Erika Vlieghe, Nele Brusselaers
PURPOSE: Patients with cancer are vulnerable to Clostridioides difficile infection (CDI) due to their disease, treatment and regular hospital contact, yet if CDI-recurrence is more common remains unclear, and differences among cancer types remain unexplored. METHODS: This Swedish nationwide population-based cohort included all 43,150 individuals with recorded CDI (2006-2019) to assess CDI-recurrence in individuals with and without cancer, with binary multivariable logistic regression, stratified by anatomical location, and survival status...
February 26, 2024: Infection
#12
JOURNAL ARTICLE
Expression of cytokines in pleural effusions and corresponding cell lines of small cell lung cancer.
Barbara Rath, Sandra Stickler, Maximilian J Hochmair, Gerhard Hamilton
BACKGROUND: Small cell lung cancer (SCLC) is a neuroendocrine aggressive tumor with a dismal prognosis due to the lack of curative therapeutic modalities. Approximately 11% of these patients show a malignant pleural effusion (MPE) that increase in frequency with progression of the disease. In MPE, fluid accumulates due to leaky vessels and mesothelial surfaces as well as impaired removal of fluid due to impaired drainage. METHODS: For this investigation, three SCLC MPE samples and supernatants of the corresponding isolated cell lines were analyzed for the content of 105 cytokines, chemokines, and growth factors...
January 31, 2024: Translational Lung Cancer Research
#13
JOURNAL ARTICLE
Stefania Oliveto, Paolo Ritter, Giorgia Deroma, Annarita Miluzio, Chiara Cordiglieri, Mauro Roberto Benvenuti, Luciano Mutti, Manuela Teresa Raimondi, Stefano Biffo
Malignant mesothelioma is a type of cancer that affects the mesothelium. It is an aggressive and deadly form of cancer that is often caused by exposure to asbestos. At the molecular level, it is characterized by a low number of genetic mutations and high heterogeneity among patients. In this work, we analyzed the plasticity of gene expression of primary mesothelial cancer cells by comparing their properties on 2D versus 3D surfaces. First, we derived from primary human samples four independent primary cancer cells...
February 1, 2024: Genes
#14
JOURNAL ARTICLE
Vikram Saini, Richa Garg, Kamal Kataria, Thirugnanasambandam Nelson
The incidence of adrenal cysts is 0.06% and only 9% of these are true mesothelial cysts. Here, we present a case of a true mesothelial cyst together with a review of the literature. A female in her 30s presented to the surgical outpatient department complaining of right flank pain. Her contrast-enhanced CT scan revealed a 7.5×6.5×4.5 cm right adrenal gland cyst. The patient underwent a laparoscopic right adrenalectomy. Immunohistopathology revealed the cyst to be mesothelial in nature. The majority of true mesothelial adrenal cysts are benign, unilateral and more common in women...
February 23, 2024: BMJ Case Reports
#15
JOURNAL ARTICLE
Yangbing Jin, Chao Wang, Benyan Zhang, Ying Sun, Jun Ji, Qu Cai, Jinling Jiang, Zhihao Zhang, Liqin Zhao, Beiqin Yu, Jun Zhang
Peritoneal metastasis (PM) continues to limit the clinical efficacy of gastric cancer (GC). Early growth response 1 (EGR1) plays an important role in tumor cell proliferation, angiogenesis and invasion. However, the role of EGR1 derived from the tumor microenvironment in reshaping the phenotypes of GC cells and its specific molecular mechanisms in increasing the potential for PM are still unclear. In this study, we reported that EGR1 was significantly up-regulated in mesothelial cells from GC peritoneal metastases, leading to enhanced epithelial-mesenchymal transformation (EMT) and stemness phenotypes of GC cells under co-culture conditions...
2024: International Journal of Biological Sciences
#16
JOURNAL ARTICLE
Hiroki Sato, Tatsuo Ito, Takuo Hayashi, Shigehisa Kitano, Hediye Erdjument-Bromage, Matthew J Bott, Shinichi Toyooka, Marjorie Zauderer, Marc Ladanyi
BRCA1-associated protein 1 (BAP1) has emerged as a major tumor suppressor gene in diverse cancer types, notably in malignant pleural mesothelioma (DPM), and has also been identified as a germline cancer predisposition gene for DPM and other select cancers. However, its role in the response to DNA damage has remained unclear. Here, we show that BAP1 inactivation is associated with increased DNA damage both in Met-5A human mesothelial cells and human DPM cell lines. Through proteomic analyses, we identified PRKDC as an interaction partner of BAP1 protein complexes in DPM cells and 293 T human embryonic kidney cells...
February 21, 2024: Oncogene
#17
JOURNAL ARTICLE
Zhixing Ge, Songchen Dai, Haibo Yu, Junhua Zhao, Wenguang Yang, Wenjun Tan, Jingxu Sun, Quan Gan, Lianqing Liu, Zhenning Wang
Gastric cancer is one of the most prevalent digestive malignancies. The lack of effective in vitro peritoneal models has hindered the exploration of the potential mechanisms behind gastric cancer's peritoneal metastasis. An accumulating body of research indicates that small extracellular vesicles (sEVs) play an indispensable role in peritoneal metastasis of gastric cancer cells. In this study, a biomimetic peritoneum was constructed. The biomimetic model is similar to real peritoneum in internal microstructure, composition, and primary function, and it enables the recurrence of peritoneal metastasis process in vitro ...
February 13, 2024: ACS Nano
#18
JOURNAL ARTICLE
Whitney R Grither, Breanna Baker, Vasilios A Morikis, Ma Xenia G Ilagan, Katherine C Fuh, Gregory D Longmore
Adhesion to and clearance of the mesothelial monolayer are key early events in metastatic seeding of ovarian cancer. ROR2 is a receptor tyrosine kinase that interacts with Wnt5a ligand to activate non-canonical Wnt signaling and has been previously shown to be upregulated in ovarian cancer tissue. However, no prior study has evaluated the mechanistic role of ROR2 in ovarian cancer. Through a cellular high throughput genetic screen, we independently identified ROR2 as a driver of ovarian tumor cell adhesion and invasion...
February 9, 2024: Molecular Cancer Research: MCR
#19
REVIEW
Yun Lei, Shuang Cai, Chun-Dong Zhang, Yong-Shuang Li
Gastric cancer (GC) is a tumor characterized by high incidence and mortality, with metastasis being the primary cause of poor prognosis. Extracellular vesicles (EVs) are an important intercellular communication medium. They contain bioactive substances such as proteins, nucleic acids, and lipids. EVs play a crucial biological role in the process of GC metastasis. Through mechanisms such as remodeling the tumor microenvironment (TME), immune suppression, promoting angiogenesis, and facilitating epithelial-mesenchymal transition (EMT) and mesothelial-mesenchymal transition (MMT), EVs promote invasion and metastasis in GC...
2024: Frontiers in Cell and Developmental Biology
#20
JOURNAL ARTICLE
Yuki Kimura, Hideyuki Ohzawa, Yuki Kaneko, Hideyo Miyato, Kentaro Kurashina, Shin Saito, Hironori Yamaguchi, Yoshinori Hosoya, Naohiro Sata, Joji Kitayama
Although miR-29b levels in peritoneal exosomes was markedly reduced in patients with peritoneal metastases(PM), their role has not been fully clarified. Bone marrow derived mesenchymal stem cells(BMSC)were transfected with miR-29b- integrating lentivirus and exosomes isolated from culture supernatants using ultracentrifugation. The effects of the exosomes on human peritoneal mesothelial cells(HPMC)were examined in vitro. The in vivo effect of murine BMSC-derived exosomes was examined with a syngeneic PM model...
December 2023: Gan to Kagaku Ryoho. Cancer & Chemotherapy
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