Article
Cell Biology
Hyun-Yi Kim, Jong-Min Lee, You-Soub Lee, Shujin Li, Seung-Jun Lee, Suk-Chul Bae, Han-Sung Jung
Summary: Our study revealed that Runx3 is involved in iron metabolism in the liver by regulating BMP signaling, as shown through histological analysis of Runx3 KO mouse liver, RNA-sequencing analysis, and functional experiments in human hepatocytes.
CELL PROLIFERATION
(2021)
Article
Multidisciplinary Sciences
Victoria Gudino, Sebastian Other-Gee Pohl, Caroline V. Billard, Patrizia Cammareri, Alfonso Bolado, Stuart Aitken, David Stevenson, Adam E. Hall, Mark Agostino, John Cassidy, Colin Nixon, Alex von Kriegsheim, Paz Freile, Linda Popplewell, George Dickson, Laura Murphy, Ann Wheeler, Malcolm Dunlop, Farhat Din, Douglas Strathdee, Owen J. Sansom, Kevin B. Myant
Summary: Current therapeutic options for colorectal cancer are limited in efficacy, often resulting in acquired resistance during treatment. Research has identified RAC1B as a key mediator of colorectal tumourigenesis and a potential target for enhancing EGFR inhibitor treatment. Inhibition of RAC1B has been shown to sensitize cetuximab-resistant colorectal cancer cells to EGFR inhibitors, presenting a promising therapeutic target for improving clinical efficacy.
NATURE COMMUNICATIONS
(2021)
Article
Biochemistry & Molecular Biology
Lung-Yu Liang, Michael Roy, Christopher R. Horne, Jarrod J. Sandow, Minglyanna Surudoi, Laura F. Dagley, Samuel N. Young, Toby Dite, Jeffrey J. Babon, Peter W. Janes, Onisha Patel, James M. Murphy, Isabelle S. Lucet
Summary: EphB6 and EphA10, classified as pseudokinase members of the Eph receptor family, play crucial roles in contact-dependent cell-cell communication by transmitting extracellular signals into intracellular cues. Despite their deregulation being strongly linked to proliferative diseases, their catalytically dead nature raises questions about how non-catalytic functions contribute to Eph receptor signaling homeostasis. This study characterized the biochemical properties and topology of their intracellular regions, revealing high flexibility and interactions between component domains, offering potential for pharmacological targeting against oncogenic signaling through ATP binding capabilities.
BIOCHEMICAL JOURNAL
(2021)
Article
Plant Sciences
Xiaoyi Qi, Yonglan Chen, Sha Liu, Li Liu, Zehui Yu, Ling Yin, Lu Fu, Mingming Deng, Sicheng Liang, Muhan Lu
Summary: This study revealed the antimetastatic effect of SAG on melanoma and identified the underlying molecular mechanisms through the inhibition of the PI3K-AKT signaling pathway. Results showed that SAG inhibited the proliferation, migration, and invasion of melanoma cells and effectively suppressed tumor growth in a xenograft model. These findings offer a theoretical foundation for the clinical application of SAG in antitumor therapy.
PHARMACEUTICAL BIOLOGY
(2023)
Article
Engineering, Biomedical
Qinghao Zhang, Yuanda Liu, Jie Li, Jing Wang, Changsheng Liu
Summary: Exposure to a growth factor abundant milieu has significant regenerative effects on organ diseases, tissue damage, and regeneration. However, traditional approaches face challenges with limited types of growth factors and the asynchronous activation of stem cells. This study reports the development of a innovative hydrogel that can mimic a growth factor-enriched microenvironment, leading to improved bone regeneration and enhanced cytokine secretion.
BIOACTIVE MATERIALS
(2023)
Article
Cell Biology
Yingyan Wang, Wen Lan, Mingxin Xu, Jing Song, Jun Mao, Chunyan Li, Xiaohui Du, Yunling Jiang, Encheng Li, Rui Zhang, Qi Wang
Summary: CAFs promote EMT in lung ADC through SDF-1, which enhances invasiveness and EMT by regulating CXCR4, beta-catenin, and PPAR delta. High expression of these proteins correlated with poor prognosis, suggesting targeting the SDF-1-mediated CXCR4 beta-catenin/PPAR delta cascade may be an effective approach for lung cancer treatment.
CELL DEATH & DISEASE
(2021)
Article
Oncology
Aibin Liu, Huayan Xie, Ronggang Li, Liangliang Ren, Baishuang Yang, Longxia Dai, Wenjie Lu, Baoyi Liu, Dong Ren, Xin Zhang, Qiong Chen, Yanming Huang, Ke Shi
Summary: ZIC2 was found to be upregulated in NSCLC tissues and high expression of ZIC2 correlated with worse overall and progression-free survival in NSCLC patients. Silencing ZIC2 inhibited tumorigenesis and reduced anoikis resistance in NSCLC cells. Further investigation revealed that silencing ZIC2 transcriptionally inhibited Src expression and inactivated steroid receptor coactivator/focal adhesion kinase signaling, thereby attenuating anoikis resistance in NSCLC cells.
MOLECULAR THERAPY-ONCOLYTICS
(2021)
Article
Multidisciplinary Sciences
Kaitlin Garofano, Kameron Rashid, Michael Smith, Christine Brantner, Sumanun Suwunnakorn, David Diemert, Olivia Gordon, Anelia Horvath, Sikandar Khan, Anastas Popratiloff, Johng Rhim, Alfateh Sidahmed, Sanjay B. Maggirwar, Travis J. O'Brien, Minoli A. Perera, Norman H. Lee
Summary: Platelets play a crucial role in cancer and thrombosis, and the interaction between prostate cancer cells and platelets has been found to promote cancer cell invasion and resistance to apoptosis. Various signaling proteins and their ligands have been identified to be involved in this process, with some of them showing abnormal expression levels in prostate cancer patients.
SCIENTIFIC REPORTS
(2023)
Article
Multidisciplinary Sciences
Christopher R. Donnelly, Changyu Jiang, Amanda S. Andriessen, Kaiyuan Wang, Zilong Wang, Huiping Ding, Junli Zhao, Xin Luo, Michael S. Lee, Yu L. Lei, William Maixner, Mei-Chuan Ko, Ru-Rong Ji
Summary: STING is a critical immune regulator that induces type-I interferons and other cytokines to promote immune-cell-mediated clearance of pathogens and neoplastic cells. STING also plays a role in antitumour immunity and has potential as a target for cancer immunotherapy. Additionally, STING is shown to regulate nociception through IFN-I signaling, leading to pain relief in mice and non-human primates.
Article
Oncology
Roberto Coppo, Francesca Orso, Federico Virga, Alberto Dalmasso, Desiree Baruffaldi, Lei Nie, Fabiana Clapero, Daniela Dettori, Lorena Quirico, Elena Grassi, Paola Defilippi, Paolo Provero, Donatella Valdembri, Guido Serini, Mehran M. Sadeghi, Massimiliano Mazzone, Daniela Taverna
Summary: ESDN plays a critical role in melanoma progression by regulating the expression of E-selectin in endothelial cells, affecting melanoma cell adhesion, extravasation, and metastasis formation. The study proposes a protective role for ESDN in melanoma spread and highlights its therapeutic potential.
Article
Biochemical Research Methods
Zahra Maqsood, Joanne C. Clark, Eleyna M. Martin, Yam Fung Hilaire Cheung, Luis A. Moran, Sean E. T. Watson, Jeremy A. Pike, Ying Di, Natalie S. Poulter, Alexandre Slater, Bodo M. H. Lange, Bernhard Nieswandt, Johannes A. Eble, Mike G. Tomlinson, Dylan M. Owen, David Stegner, Lloyd J. Bridge, Christoph Wierling, Steve P. Watson
Summary: This study investigates the clustering of platelet glycoprotein receptors and their activation mechanisms. The authors developed computational models and evaluated them experimentally using various ligands in platelets and cell lines. They found that receptor clustering is driven by ligand valency, receptor phosphorylation, and cytosolic SH2 domain proteins. Moreover, they discovered that targeting multiple mechanisms can reduce drug concentration needed for inhibition, thus reducing side effects.
PLOS COMPUTATIONAL BIOLOGY
(2022)
Article
Multidisciplinary Sciences
Guillaume Serwe, David Kachaner, Jessica Gagnon, Cedric Plutoni, Driss Lajoie, Eloise Durame, Malha Sahmi, Damien Garrido, Martin Lefrancois, Genevieve Arseneault, Marc K. Saba-El-Leil, Sylvain Meloche, Gregory Emery, Marc Therrien
Summary: Cell motility is a critical feature of invasive tumour cells that is governed by complex signal transduction events. Here, researchers have identified a novel pro-motility pathway in cancer cells, in which the scaffold protein CNK2 and its partner SAMD12 play a crucial role in promoting cell migration by activating ARF6 GTPase.
NATURE COMMUNICATIONS
(2023)
Article
Cell Biology
Ting Hao, Rui Zhang, Tian Zhao, Juan Wu, Wai Keung Leung, Jie Yang, Weibin Sun
Summary: P. gingivalis may promote inflammatory responses in periodontitis by inhibiting the AhR signaling pathway.
CELL PROLIFERATION
(2023)
Article
Biochemistry & Molecular Biology
Mona Kafka, Rebecca Gruber, Hannes Neuwirt, Michael Ladurner, Iris E. Eder
Summary: In this study, the short-term effects of three different statins (simvastatin, atorvastatin, and rosuvastatin) on various prostate cancer cell lines were investigated. Long-term treatment with simvastatin resulted in a loss of response to statins in all three cell lines. However, these treated cells exhibited diminished spheroid growth and reduced migration capacity, indicating that long-term usage of simvastatin may hinder the metastatic potential of prostate cancer cells. Additionally, prostate cancer patients taking statins showed lower numbers of circulating tumor cells and reduced levels of PSA and alkaline phosphatase.
Article
Multidisciplinary Sciences
Ahmet Acar, Ana Hidalgo-Sastre, Michael K. Leverentz, Christopher G. Mills, Simon Woodcock, Martin Baron, Giovanna M. Collu, Keith Brennan
Summary: Notch and Wnt are two essential signaling pathways in animals, with typically opposing effects on cell fate decisions. Notch can limit Wnt signaling through mechanisms at the cell membrane and in the cell nucleus, contributing to the robustness of cell fate decisions by sharpening the distinction between opposing Notch/Wnt responses.
SCIENTIFIC REPORTS
(2021)
Article
Obstetrics & Gynecology
Laura Power, Georgia Lefas, Pascal Lambert, Diane Kim, Debra Evaniuk, Robert Lotocki, Erin Dean, Mark W. Nachtigal, Alon D. Altman
OBSTETRICS AND GYNECOLOGY
(2016)
Article
Genetics & Heredity
Signe Penner-Goeke, Zelda Lichtensztejn, Megan Neufeld, Jennifer L. Ali, Alon D. Altman, Mark W. Nachtigal, Kirk J. McManus
Article
Oncology
Cecile Le Page, Kurosh Rahimi, Martin Kobel, Patricia N. Tonin, Liliane Meunier, Lise Portelance, Monique Bernard, Brad H. Nelson, Marcus Q. Bernardini, John M. S. Bartlett, Dimcho Bachvarov, Walter H. Gotlieb, Blake Gilks, Jessica N. McAlpine, Mark W. Nachtigal, Alain Piche, Peter H. Watson, Barbara Vanderhyden, David G. Huntsman, Diane M. Provencher, Anne-Marie Mes-Masson
Article
Oncology
Jennifer L. Ali, Brittany J. Lagasse, Ainsley J. Minuk, Allison J. Love, Amani I. Moraya, Linda Lam, Gilbert Arthur, Spencer B. Gibson, Ludivine Coudiere Morrison, Tamra E. Werbowetski-Ogilvie, Yangxin Fu, Mark W. Nachtigal
INTERNATIONAL JOURNAL OF CANCER
(2015)
Review
Oncology
Chloe C. Lepage, Claire R. Morden, Michaela C. L. Palmer, Mark W. Nachtigal, Kirk J. McManus
Article
Biochemistry & Molecular Biology
Makanjuola Ogunsina, Pranati Samadder, Temilolu Idowu, Mark Nachtigal, Frank Schweizer, Gilbert Arthur
Article
Chemistry, Analytical
Huy Tran Le Luu, Mark W. Nachtigal, Sabine Kuss
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2020)
Article
Oncology
Manisha Bungsy, Michaela Cl Palmer, Lucile M. Jeusset, Nicole M. Neudorf, Zelda Lichtensztejn, Mark W. Nachtigal, Kirk J. McManus
Summary: Despite the lack of understanding regarding the early events driving the development of high-grade serous ovarian cancer (HGSOC), emerging evidence suggests that chromosome instability (CIN) and genomic amplification of the Cyclin E1 gene (CCNE1) may play central roles in the pathogenesis. Furthermore, the heterozygous loss of RBX1 and its correlation with reduced expression in HGSOC cases suggest its potential as a novel CIN gene with pathogenic implications for the disease. Experimental studies have shown that reduced RBX1 expression is associated with increased chromosomal instability and abnormal cell growth, ultimately impacting the development of ovarian cancer.
Article
Oncology
Claire R. Morden, Ally C. Farrell, Mirka Sliwowski, Zelda Lichtensztejn, Alon D. Altman, Mark W. Nachtigal, Kirk J. McManus
Summary: This study reveals the prevalence and dynamics of chromosome instability (CIN) in ascites and solid tumors of HGSOC, with CIN occurring in 90.9% of ascites samples and 100% of solid tumors. CIN and aneuploidy tend to increase with disease progression but frequently decrease following chemotherapy in responsive disease. The research also identifies a novel difference in CIN levels between solid tumors and ascites samples from the same individual.
GYNECOLOGIC ONCOLOGY
(2021)
Article
Oncology
Chloe Camille Lepage, Michaela Cora Lynn Palmer, Ally Catherina Farrell, Nicole Marie Neudorf, Zelda Lichtensztejn, Mark William Nachtigal, Kirk James McManus
Summary: This study demonstrates that diminished SKP1 or CUL1 expression in fallopian tube secretory epithelial cell models leads to increased Cyclin E1 levels and changes in CIN-associated phenotypes, suggesting that SKP1 and CUL1 may play a novel role as CIN genes in HGSOC precursor cells, potentially contributing to early events in HGSOC development.
BRITISH JOURNAL OF CANCER
(2021)
Review
Oncology
Jerry Vriend, Mark W. Nachtigal
Summary: This study utilized public datasets to identify potential therapeutic targets in high-grade serous ovarian cancer by analyzing genes encoding proteins of the ubiquitin proteasome system. The differential expression of genes encoding ubiquitin ligases, ubiquitin ligase adaptors, and Cullin Ring Ligase (CRL) adaptors suggests their potential as novel therapeutic targets. The findings also indicate the involvement of CRLs in HGSOC and highlight the importance of ubiquitin proteasome pathway components in this type of cancer.
Review
Oncology
Mark W. Nachtigal, Alon D. Altman, Rajat Arora, Frank Schweizer, Gilbert Arthur
Summary: Disease recurrence and chemotherapy resistance are the major causes of mortality for most epithelial ovarian cancer (EOC) patients. The use of glycosylated antitumor ether lipids (GAELs) as a novel therapeutic platform to treat chemotherapy-resistant EOC shows promising results in killing EOC cells both in vitro and in vivo. This suggests that GAELs could be a potential adjuvant therapy for EOC patients with or without chemotherapy resistance.
Article
Genetics & Heredity
Selina Casalino, Sharon Bruce, Kim Serfas, Alon D. Altman, Sarah Kean, Pascal Lambert, Kirk J. McManus, Jessica N. Hartley, Mark W. Nachtigal
Summary: Individuals with pathogenic variants in BRCA1 or BRCA2 have an increased risk of developing high-grade serous ovarian cancer. Risk-reducing salpingo-oophorectomy (RRSO) is recommended for these individuals to preventatively remove their ovaries and fallopian tubes. The Hereditary Gynecology Clinic (HGC) in Winnipeg, Canada provides specialized care for BRCA-positive individuals. A study was conducted to explore the decision-making processes and experiences of these individuals at the HGC. The study found that the HGC played a supporting role in decision-making, and a novel framework was proposed to consolidate the various influences and implications of RRSO in the context of the HGC.
JOURNAL OF GENETIC COUNSELING
(2023)
Article
Oncology
Kelcey Winchar, Pascal Lambert, Kirk J. McManus, Bernie Chodirker, Sarah Kean, Kim Serfas, Kathleen Decker, Mark W. Nachtigal, Alon D. Altman
Summary: This study aimed to examine the rates and factors influencing the acceptance of genetic referrals and testing for ovarian cancer patients (BRCA1/2). The study analyzed data from 944 patients with high-grade ovarian cancer between 2004-2019 using multiple databases and registries. The study found that the rate of genetic referrals fluctuated over time, but the rate of genetic testing increased. Factors such as age, cancer histology, oral contraceptive use history, and family history of ovarian cancer were found to increase the rates of referral and testing. Increasing the rate of genetic testing will help in clinical management and treatment planning for patients.
Article
Obstetrics & Gynecology
Alon D. Altman, Pascal Lambert, Erin Dean, Christine Robinson, Mark W. Nachtigal, Sarah Kean
JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA
(2020)