Article
Developmental Biology
Camilla M. Reehorst, Rebecca Nightingale, Ian Y. Luk, Laura Jenkins, Frank Koentgen, David S. Williams, Charbel Darido, Fiona Tan, Holly Anderton, Michael Chopin, Kael Schoffer, Moritz F. Eissmann, Michael Buchert, Dmitri Mouradov, Oliver M. Sieber, Matthias Ernst, Amardeep S. Dhillon, John M. Mariadason
Summary: Ets homologous factor (EHF) is crucial for postnatal homeostasis of the epidermis and colonic epithelium in mice, and its loss promotes colonic tumor development, as shown in experimental studies.
Article
Environmental Sciences
Yang Liu, Tian-qing Yuan, Jian-wei Zheng, Da-wei Li, Yu-hu Jiao, Hong-ye Li, Rui-man Li, Wei-dong Yang
Summary: This study investigated the changes in the epithelial microenvironment, including the epithelial barrier and gut bacteria, following Okadaic acid (OA) exposure. The results showed impaired epithelial cell junctions, mucus layer destruction, cytoskeletal remodeling, and increased bacterial invasion in the colon of rats after OA exposure. The abundance of beneficial bacteria decreased and the abundance of pathogenic bacteria increased, with a significant negative correlation between the abundance of pathogenic bacteria and animal body weight. Metagenomic analysis suggested that Escherichia coli and Shigella spp. in Escherichia/Shigella may be involved in the process of cytoskeletal remodeling and mucosal layer damage caused by OA. Opportunistic pathogens may play a role in the complex toxicity of OA-induced epithelial barrier damage.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2023)
Article
Pharmacology & Pharmacy
Rebekkah Hammar, Mikael E. Sellin, Per Artursson
Summary: The complex colonic cellular environment consists of a dynamic epithelium and a rich microbiota, which have an impact on drug distribution and efficacy that is not fully understood. This study provides considerations on determining colonic cellular parameters and their impact on drug bioavailability, aiming to fill this research gap.
EUROPEAN JOURNAL OF PHARMACEUTICAL SCIENCES
(2023)
Article
Business, Finance
Tadeusz Dudycz, Pawel Mielcarz
Summary: Based on an unbalanced panel of 25,211 observations of Polish unlisted companies from 2005-2018, this study utilizes panel data analysis to examine the impact of the capital maintenance principle on safeguarding creditors' interests. The findings highlight a consistently higher debt level among firms adhering to the capital maintenance regime. The significance of capital maintenance is demonstrated for both creditors who adjust loan contract terms based on credit risk and those who do not. Moreover, unlimited liability is shown to eliminate the necessity for maintaining legal capital, underscoring the important role of legal capital in protecting creditors' interests alongside limited liability companies.
BORSA ISTANBUL REVIEW
(2023)
Article
Food Science & Technology
Yang Liu, Chun -Li Qi, Da -Wei Li, Hong-Ye Li, Rui-Man Li, Wei-Dong Yang
Summary: This study reveals that MCLR exposure weakens the colonic epithelial barrier by interfering with cytoskeletal stability, exacerbating homeostasis maintenance in the intestinal microenvironment.
FOOD AND CHEMICAL TOXICOLOGY
(2023)
Article
Medicine, General & Internal
Mengxi Liu, Fang Li, Xiaoqing Wang, Zhenru Liu, Hoi Shiwn Wong, Yuan Zhou, Daguang Wang
Summary: This study found that onychopapilloma may originate from the nail bed rather than the nail matrix. The expression of nail bed-related keratins and HK31 could be used as diagnostic markers of onychopapilloma.
FRONTIERS IN MEDICINE
(2022)
Article
Agriculture, Dairy & Animal Science
Chuntang Mu, Xiaoyan Hao, Xuanzi Zhang, Junxing Zhao, Jianxin Zhang
Summary: The study revealed that dietary supplementation of 20 and 40 mg/kg BW/d GSPs can enhance the antioxidant potential of colonic epithelium in lambs and alleviate local inflammation induced by a high-concentrate diet.
ANIMAL FEED SCIENCE AND TECHNOLOGY
(2021)
Article
Economics
Daniele Siena, Riccardo Zago
Summary: This study empirically assesses the impact of employment protection liberalization reforms on the Phillips Curve, finding a flattening effect after the reforms in countries that underwent such liberalization.
Article
Computer Science, Interdisciplinary Applications
Xiu Ming Loh, Voon Hsien Lee, Garry Wei-Han Tan, Keng-Boon Ooi, Samuel Fosso Wamba
Summary: This study aims to determine the factors influencing users' actual usage of mobile shopping during a pandemic. The findings reveal the significant impact of the COVID-19 pandemic on mobile shopping actual usage and the multi-dimensional nature of its determinants. By considering the contextualization of time and situation through a multi-dimensional approach, this study provides practical insights for stakeholders and advances the research on actual usage of mobile shopping.
INDUSTRIAL MANAGEMENT & DATA SYSTEMS
(2022)
Article
Biochemistry & Molecular Biology
Annaig Lan, Thomas Guerbette, Mireille Andriamihaja, Benjamin Magnin, Martin Bordet, Pierre-Jean Ferron, Agnes Burel, Roselyne Viel, Bernard Fromenty, Anne Corlu, Francois Blachier, Guillaume Bouguen
Summary: Mucosal healing is important in the treatment of ulcerative colitis, and the involvement of mitochondrial activity in epithelial repair after colitis induction in mouse colonic crypts has been explored. The results show adaptations of colonocyte metabolism to ensure maximal ATP production, despite decreased mitochondrial biogenesis, during inflammation and recovery phases.
FREE RADICAL BIOLOGY AND MEDICINE
(2023)
Article
Immunology
Anke Kloock, Lena Peters, Charlotte Rafaluk-Mohr
Summary: In most animals, females invest more in offspring production than males, with females optimizing reproductive success through longer lifespans and increased investment in immunity, while males maximize success through obtaining more matings. In hermaphroditic populations, reproductive success optimization is influenced by gamete and resource availability. Microbe-mediated protection affects immunity and reproduction, but the influence of sex on the response to MMP is still to be explored.
FRONTIERS IN CELLULAR AND INFECTION MICROBIOLOGY
(2021)
Article
Cell Biology
Kunyan Zhou, Mahdi Amiri, Azam Salari, Yan Yu, Hua Xu, Ursula Seidler, Katerina Nikolovska
Summary: This study investigated the roles of NHE2 and NHE8 in intestinal epithelial cell function, showing that they have distinct functions in cellular proliferation and pH control.
AMERICAN JOURNAL OF PHYSIOLOGY-CELL PHYSIOLOGY
(2021)
Article
Biology
Kelvin W. Pond, Julia M. Morris, Olga Alkhimenok, Reeba P. Varghese, Carly R. Cabel, Nathan A. Ellis, Jayati Chakrabarti, Yana Zavros, Juanita L. Merchant, Curtis A. Thorne, Andrew L. Paek
Summary: The establishment and maintenance of different cellular compartments in tissues is crucial for all metazoans, especially in the human colon. This study reveals the critical role of wave-like ERK signaling induced by apoptotic cells in maintaining tissue patterning and homeostasis.
Article
Engineering, Industrial
Nina Telg, Boris Lokshin, Wilko Letterie
Summary: Firms engage in coopetition by collaborating with competitors. The reliance on protection mechanisms for intellectual property (IP) affects a firm's decision to engage in coopetition, with industry dynamism and competitive intensity playing a moderating role. Firms with protected IP are more likely to collaborate, especially in dynamic industries. However, firms using informal protection mechanisms in dynamic and competitive industries are less prone to engage in coopetition, potentially to prevent knowledge spillovers.
Article
Soil Science
Tchodjowie P. Kpemoua, Pierre Barre, Tiphaine Chevallier, Sabine Houot, Claire Chenu
Summary: Given the importance of soil organic carbon (SOC) in climate regulation, understanding the mechanisms of SOC protection from decomposition is crucial. This study found that crushing soil aggregates led to enhanced carbon mineralization compared to intact aggregates, suggesting the mineralization of a previously protected pool of organic carbon. The amount of protected SOC depended on soil characteristics and aggregate size. Standardizing experimental conditions is needed to better understand the processes and drivers of SOC protection inside aggregates.
Article
Physiology
C. M. Alam, J. S. G. Silvander, T. O. Helenius, D. M. Toivola
Article
Biochemistry & Molecular Biology
Lauri Polari, Santeri Anttila, Terhi Helenius, Anu Wiklund, Tero Linnanen, Diana M. Toivola, Jorma Maatta
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2019)
Article
Biochemistry & Molecular Biology
I Pulli, C. Lof, T. Blom, M. Y. Asghar, T. Lassila, N. Back, K-L Lin, J. H. Nystrom, K. Kemppainen, D. M. Toivola, E. Dufour, A. Sanz, H. M. Cooper, J. B. Parys, K. Tornquist
BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH
(2019)
Article
Chemistry, Multidisciplinary
Farid A. Siddiqui, Catharina Alam, Petja Rosenqvist, Mikko Ora, Ahmed Sabt, Ganesh Babu Manoharan, Lakshman Bindu, Sunday Okutachi, Marie Catillon, Troy Taylor, Omaima M. Abdelhafez, Harri Lonnberg, Andrew G. Stephen, Anastassios C. Papageorgiou, Pasi Virta, Daniel Abankwa
Review
Biochemistry & Molecular Biology
Lauri Polari, Catharina M. Alam, Joel H. Nystrom, Taina Heikkila, Mina Tayyab, Sarah Baghestani, Diana M. Toivola
INTERNATIONAL JOURNAL OF BIOCHEMISTRY & CELL BIOLOGY
(2020)
Article
Biochemistry & Molecular Biology
Catharina M. Alam, Sarah Baghestani, Ada Pajari, M. Bishr Omary, Diana M. Toivola
Summary: K7 is an important component in islet cells, and its filament formation is dependent on the presence of K18. Knockout of K18 results in undetectable K7 and K8 proteins in the islets, indicating a strong correlation between K18 and K7.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Biochemistry & Molecular Biology
Carl-Gustaf A. Stenvall, Mina Tayyab, Tove J. Gronroos, Maria A. Ilomaki, Keijo Viiri, Karen M. Ridge, Lauri Polari, Diana M. Toivola
Summary: Intestinal epithelial K8 plays a significant role in colonocyte epithelial integrity maintenance, proliferation regulation, and tumor suppression.
CELLULAR AND MOLECULAR LIFE SCIENCES
(2022)
Article
Cell Biology
Linglu Wang, Ponnuswamy Mohanasundaram, Michelle Lindstrom, Muhammad Nadeem Asghar, Giulia Sultana, Julia O. Misiorek, Yaming Jiu, Hongbo Chen, Zhi Chen, Diana M. Toivola, Fang Cheng, John E. Eriksson
Summary: Vimentin plays an important role in intestinal diseases, particularly in the injury and repair processes of colonic epithelial cells. Vim(-/-) mice showed more severe colitis and higher production of reactive oxygen and nitrogen species than wild-type mice when exposed to DSS. CD11b(+) macrophages were identified as the main cellular source of reactive oxygen species production. Additionally, Vim(-/-) mice did not spontaneously develop colitis-associated cancer model upon DSS treatment, but exhibited increased tumor numbers and size in the distal colon in the azoxymethane/DSS model.
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
(2022)
Article
Cell Biology
Carl-Gustaf A. Stenvall, Joel H. Nystrom, Ciaran Butler-Hallissey, Theresia Jansson, Taina R. H. Heikkila, Stephen A. Adam, Roland Foisner, Robert D. Goldman, Karen M. Ridge, Diana M. Toivola
Summary: Keratin intermediate filaments play a crucial role in providing mechanical stability and protection against stress to epithelial cells, particularly in the colon. They support the structure of the nuclear envelope and lamina in colonocytes and contribute to nuclear integrity.
MOLECULAR BIOLOGY OF THE CELL
(2022)
Article
Multidisciplinary Sciences
Lauri Polari, Mervi Tenhami, Santeri Anttila, Terhi Helenius, Harry Kujari, Markku Kallajoki, Markku Voutilainen, Diana M. Toivola
Summary: This study investigated the expression of a protein called Keratin 7 (K7) in the colonic epithelium of patients with inflammatory bowel disease (IBD). The results showed that K7 was neo-expressed in IBD patients, suggesting its potential as a disease biomarker. This finding provides a basis for further research on K7 as a biomarker in IBD.
SCIENTIFIC REPORTS
(2022)
Article
Food Science & Technology
Jenni Soukka, Lauri Polari, Marko Kalliomaki, Lotta Saros, Teemu D. Laajala, Tero Vahlberg, Diana M. Toivola, Kirsi Laitinen
Summary: This study evaluated the effects of fish oil and/or probiotics supplementation on the concentration of immune mediators in colostrum, and their associations with perinatal clinical factors. The results showed that the fish oil+probiotics group had higher concentrations of IL-12p70 and FLT-3L compared to the other groups. However, the differences in IFN alpha 2 levels between the fish oil+probiotics group and the fish oil+placebo group were not statistically significant after correction for multiple testing. In conclusion, the fish oil/probiotics intervention had a minor effect on colostrum immune mediators, while medication during the perinatal period had a significant modulating effect on immune mediators.
MOLECULAR NUTRITION & FOOD RESEARCH
(2023)
Article
Multidisciplinary Sciences
Mervi Tenhami, Lauri Polari, Harry Kujari, Eliisa Loeyttyniemi, Diana M. Toivola, Markku Voutilainen
Summary: Investigation of K7 expression in different regions of the colon and terminal ileum showed its association with ulcerative colitis and Crohn's disease, but not its ability to predict the severity and prognosis of IBD.
SCIENTIFIC REPORTS
(2023)