Article
Biochemistry & Molecular Biology
Yi-Yung Hung, Chen-Kai Chou, Yi-Chien Yang, Hung-Chun Fu, El-Wui Loh, Hong-Yo Kang
Summary: This study found that in patients with major depressive disorder, the expression levels of miR-146a in exosomes were higher, and patients who achieved remission showed lower levels of various microRNAs before treatment and increased levels after treatment. Let-7e, miR-145, and miR-146a showed acceptable discrimination between the remission and non-remission groups.
Article
Cell Biology
Fabiola Olivieri, Francesco Prattichizzo, Angelica Giuliani, Giulia Matacchione, Maria Rita Rippo, Jacopo Sabbatinelli, Massimiliano Bonafe
Summary: Inflammaging is a key concept in understanding how aging contributes to the development of age-related diseases, with a focus on the role of miRNAs in regulating inflammatory pathways. The assessment of individual genetic make-up alone is insufficient to depict the trajectories of age-related inflammation, and studies have shown that circulating inflammamiRs could be used to measure the degree of inflammaging.
AGEING RESEARCH REVIEWS
(2021)
Article
Immunology
Rachel E. Crossland, Jean Norden, Sakhila Ghimire, Mateja Kralj Juric, Kim F. Pearce, Clare Lendrem, Matthew Collin, Eva Mischak-Weissinger, Ernst Holler, Hildegard T. Greinix, Anne M. Dickinson
Summary: The study found that miR-155 and miR-146a were upregulated in gastrointestinal and skin tissue samples of aGvHD patients, and their expression levels in serum and urine samples were also associated with the risk of developing aGvHD. These results support the potential of miR-155 and miR-146a as biomarkers for aGvHD, but further investigation is needed to understand their role in generalized inflammation and specific pathophysiology.
FRONTIERS IN IMMUNOLOGY
(2021)
Article
Medicine, Research & Experimental
Jose L. Sanchez-Gloria, Roxana Carbo, Mabel Buelna-Chontal, Horacio Osorio-Alonso, Adrian Henandez-Diazcouder, Rosa Luz de la Fuente-leon, Julio Sandoval, Fausto Sanchez, I. Rubio-Gayosso, Fausto Sanchez-Munoz
Summary: Chronic cold exposure exacerbates MCT-induced pulmonary arterial hypertension in rats, resulting in increased levels of inflammatory markers and miRNAs in plasma EVs and lungs.
Article
Immunology
Mahmoud Mahami-Oskouei, Behrooz Norouzi, Ehsan Ahmadpour, Tohid Kazemi, Adel Spotin, Zahra Alizadeh, Roghayeh Ghorbani Sani, Milad Asadi
Summary: The study compared the expression levels of miR-146a and miR-155 in the plasma of patients with hydatidosis and healthy individuals. The results indicated an increased level of both miR-146a and miR-155 in all hydatidosis patients compared to the control group, with no correlation observed in the level of miR-155 between the two groups. Upregulation of miR-146a and miR-155 in plasma may lead to the development of novel biomarkers for echinococcosis, potentially serving as important biomarkers for determining the severity of hydatidosis.
MICROBIAL PATHOGENESIS
(2021)
Article
Biochemistry & Molecular Biology
Julian Roos, Meike Dahlhaus, Jan-Bernd Funcke, Monika Kustermann, Gudrun Strauss, Daniel Halbgebauer, Elena Boldrin, Karlheinz Holzmann, Peter Moeller, Bernadette M. Trojanowski, Bernd Baumann, Klaus-Michael Debatin, Martin Wabitsch, Pamela Fischer-Posovszky
Summary: The study revealed that miR-146a regulates adipose tissue inflammation by suppressing the NPR3 gene, thereby impacting the development of obesity and insulin resistance.
CELLULAR AND MOLECULAR LIFE SCIENCES
(2021)
Article
Multidisciplinary Sciences
Enas M. Hefzy, Noha A. Hassuna, Olfat G. Shaker, Mohamed Masoud, Tebyan A. Abelhameed, Tarek I. Ahmed, Nada F. Hemeda, Mohammed A. Abdelhakeem, Rania H. Mahmoud
Summary: Genetic variants in miR-155 and miR-146a genes may act as potential risk factors for Chronic HBV in the Egyptian population, highlighting the importance of studying miRNA polymorphisms in disease development.
Article
Multidisciplinary Sciences
Min Liu, Fei Mo, Xiaohan Song, Yun He, Yan Yuan, Jiaoyan Yan, Ye Yang, Jian Huang, Shu Zhang
Summary: The study utilized comprehensive bioinformatics analysis and experimental validation to identify hsa-miR-21-5p as significantly up-regulated in breast cancer tissues, cells, and exosomes. Further investigations confirmed the diagnostic value of plasma exosomal hsa-miR-21-5p in distinguishing healthy individuals from breast cancer patients, with a sensitivity of 86.7% and specificity of 93.3%.
Article
Immunology
Bo Yang, Ruicheng Yang, Bojie Xu, Jiyang Fu, Xinyi Qu, Liang Li, Menghong Dai, Chen Tan, Huanchun Chen, Xiangru Wang
Summary: E. coli infection induced upregulation of miR-155 and miR-146a in astrocytes, which modulated bacteria-triggered neuroinflammatory responses through negative feedback regulation involving the TLR-mediated NF-kappa B and EGFR-NF-kappa B signaling pathways, thus protecting the central nervous system from further neuroinflammatory damage.
JOURNAL OF NEUROINFLAMMATION
(2021)
Article
Multidisciplinary Sciences
Sowmya Gunasekaran, Ramakrishnapillai Vyomakesannair Omkumar
Summary: MicroRNAs, specifically miR-146a and miR-200b, play important physiological roles in neurological disorders such as Alzheimer's disease and schizophrenia. They are involved in regulating learning and memory mechanisms and interact with NMDAR subunits. Overexpression of these miRNAs leads to downregulation of related proteins, resulting in cognitive deficits. In rat models, upregulated levels of these miRNAs indicate their involvement in downregulating NMDAR subunits.
Article
Biochemistry & Molecular Biology
Mohan Damodaran, Mohanapriya Chinambedu Dandapani, SimonDuraiRaj, SandhyaSundaram, S. VenkatRamanan, Ilangovan Ramachandran, Vettriselvi Venkatesan
Summary: The study found that miR-21 and miR-100 were significantly downregulated in prostate cancer patients, while miR-125a was upregulated. MiR-100 was significantly downregulated in high-grade tumors, indicating its association with prostate cancer.ROC analysis revealed that the combined analysis of all five miRNAs showed an AUC of 0.87, indicating their potential as diagnostic biomarkers for prostate cancer.
MOLECULAR BIOLOGY REPORTS
(2021)
Article
Biochemistry & Molecular Biology
Sarah Brunty, Kristeena Ray Wright, Brenda Mitchell, Nalini Santanam
Summary: Activation of trimethylation of histone 3 lysine 27 (H3K27me3) by EZH2 plays a role in endometriosis, with higher expression of PRC2 complex components like JARID2, miR-155, and FOXP3 noted in patient tissues. MiR-155 affects the PRC2 complex but has minimal impact on JARID2 expression, suggesting alternative pathways may be involved. A novel crosstalk between miR-155, the PRC2 complex, JARID2, and PHF19 has been identified, providing potential epigenetic targets for further study in endometriosis.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Medicine, General & Internal
Olfat G. Shaker, Omayma O. Abdelaleem, Nermeen A. Fouad, Naglaa A. Ahmed, Hoda A. Hussein, Enas G. Ibrahem, Abdelrahmaan A. Mohamed, Othman M. Ahmed, Doaa Y. Ali
Summary: This study found that miR-146a (rs2910164) and miR-155 (rs767649) gene polymorphisms are closely related to the development of BD in the Egyptian population and also influence disease severity.
ARCHIVES OF MEDICAL SCIENCE
(2022)
Article
Medicine, Research & Experimental
Shashi Bala, Yuan Zhuang, Prashanth Thevkar Nagesh, Donna Catalano, Adam Zivny, Yanbo Wang, Jun Xie, Guangping Gao, Gyongyi Szabo
Summary: This study investigated the therapeutic effect of miR-155 inhibition in liver fibrosis and found that miR-155 deficiency can significantly reduce liver fibrosis. The study also revealed that miR-155 regulates activation of hepatic stellate cells partly via STAT3 signaling.
MOLECULAR THERAPY-NUCLEIC ACIDS
(2023)
Article
Oncology
Neda K. Dezfuli, Shamila D. Alipoor, Neda Dalil Roofchayee, Sharareh Seyfi, Babak Salimi, Ian M. Adcock, Esmaeil Mortaz
Summary: The study found that miR-146a expression was significantly downregulated in NSCLC patients, while IL-6 and TGF-beta levels were elevated. The frequencies of immune cells CD3+ CTLA-4+ and Treg cells were also higher in patients.
FRONTIERS IN ONCOLOGY
(2021)
Article
Cell Biology
Fabiola Olivieri, Francesco Prattichizzo, Fabrizia Lattanzio, Anna Rita Bonfigli, Liana Spazzafumo
Summary: One of the challenges in aging research is to understand how genetics and environmental factors interact to determine the chances of reaching extreme human lifespan in good health. Epigenetic mechanisms provide an explanation for this interaction and the long-term effects of lifestyle on aging. The theory of inflammaging suggests that chronic low-grade inflammation plays a crucial role in age-related diseases and mortality. Studies on centenarians have shown that healthy individuals can upregulate anti-inflammatory responses to cope with inflammaging. Genetic factors and the ability to remodel metabolic pathways are also important for healthy aging. The concept of antifragility, which refers to the ability of complex systems to perform better under stress, may provide insights into the heterogeneous nature of the aging process and its relationship with inflammation.
AGEING RESEARCH REVIEWS
(2023)
Editorial Material
Endocrinology & Metabolism
Antonio Ceriello, Francesco Prattichizzo
Article
Cell Biology
Angelica Giuliani, Maria Giulia Bacalini, Deborah Ramini, Emanuela Mensa, Chiara Giordani, Luciano Xumerle, Paolo Garagnani, Fabiola Olivieri, Antonio Domenico Procopio, Maria Rita Rippo, Jacopo Sabbatinelli
Summary: Bone marrow mesenchymal stromal cells (BMSCs) have the ability to self-renew and differentiate into adipocytes and osteoblasts, but the role of DNA methylation in their function and replicative senescence is still unclear. A genome-wide DNA methylation analysis revealed genome-wide hypomethylation and overlapping differentially methylated positions (DMPs) in replicative senescent BMSCs and HUVECs. Pathway analysis identified common pathways associated with senescence, insulin resistance, molecule adhesion, and Wnt/beta-catenin signaling. This study provides valuable insights into the mechanisms of replicative senescence and BMSC differentiation.
Article
Endocrinology & Metabolism
Francesco Prattichizzo, Chiara Frige, Rosalba La Grotta, Antonio Ceriello
Summary: Body weight variability is independently associated with cardiovascular diseases and mortality, and it may interact with other risk factors to increase cardiovascular risk. In addition, weight variability is also linked to microvascular complications in people with type 2 diabetes.
DIABETES RESEARCH AND CLINICAL PRACTICE
(2023)
Article
Biochemistry & Molecular Biology
Luigina Micolucci, Giulia Matacchione, Maria Cristina Albertini, Massimo Marra, Deborah Ramini, Angelica Giuliani, Jacopo Sabbatinelli, Antonio Domenico Procopio, Fabiola Olivieri, Annalisa Marsico, Vladia Monsurro
Summary: The nuclear factor NF-kB plays a key role in inflammation by regulating the expression of pro-inflammatory genes. It also has the ability to activate non-coding RNA, such as miRNAs, which further modulate gene expression. In this study, we predicted miRNA promoters using in silico analysis and identified 68 mature miRNAs with potential NF-kB binding sites in their transcription start site. These miRNAs have previously been associated with inflammation and age-related diseases. The results suggest that persistent activation of NF-kB may disrupt the transcription of specific inflammation-related miRNAs, providing potential diagnostic, prognostic, and therapeutic targets for common inflammatory and age-related diseases.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Biochemistry & Molecular Biology
Emanuele-Salvatore Scarpa, Chiara Giordani, Antonella Antonelli, Massimiliano Petrelli, Giancarlo Balercia, Francesca Silvetti, Alessio Pieroni, Jacopo Sabbatinelli, Maria Rita Rippo, Fabiola Olivieri, Giulia Matacchione
Summary: This study aimed to investigate the therapeutic effects of flavanones naringenin and hesperetin in combination with anti-inflammatory natural molecules curcumin, polydatin, and quercetin in in vitro models of insulin resistance. The results showed that the combination of these five phytochemicals synergistically decreased expression levels of the pro-inflammatory gene SEMA3E in insulin-resistant cells and synergistically decreased DPPIV activity, indicating their ability to inhibit pro-inflammatory and insulin resistance molecular mechanisms.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Biochemistry & Molecular Biology
Chiara Giordani, Giulia Matacchione, Angelica Giuliani, Debora Valli, Emanuele Salvatore Scarpa, Antonella Antonelli, Jacopo Sabbatinelli, Gilberta Giacchetti, Sofia Sabatelli, Fabiola Olivieri, Maria Rita Rippo
Summary: During aging, bone marrow mesenchymal stromal cells (MSCs) undergo cellular senescence and acquire a pro-inflammatory secretory phenotype, leading to osteoporosis. In this study, the combination of orthosilicic acid (OA) and vitamin K2 (VK2), along with three anti-inflammatory compounds (curcumin, polydatin, and quercetin) showed potential in promoting MSC osteogenesis and inhibiting their pro-inflammatory phenotype. These natural compounds could be used as a supplement to prevent or control age-related osteoporosis.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Cell Biology
Fabiola Olivieri, Francesca Marchegiani, Giulia Matacchione, Angelica Giuliani, Deborah Ramini, Francesca Fazioli, Jacopo Sabbatinelli, Massimiliano Bonafe
Summary: Geroscience regards aging as a key factor in age-related diseases, emphasizing the need to address the basic mechanisms of aging rather than individual disease pathophysiology. Women have higher life expectancy despite greater functional impairment, necessitating a study of gender-related differences in multimorbidity and disability-free life expectancy. Inflammaging, the intersection of aging and age-related diseases, plays a significant role, with sex/gender differences impacting biomarkers and severe outcomes of COVID-19.
MECHANISMS OF AGEING AND DEVELOPMENT
(2023)
Article
Biochemistry & Molecular Biology
Angelica Giuliani, Camilla Morresi, Gabriele Mazzuferi, Luisa Bellachioma, Deborah Ramini, Jacopo Sabbatinelli, Fabiola Olivieri, Tiziana Bacchetti, Gianna Ferretti
Summary: Low-density lipoproteins (LDLs) play a crucial role in transporting cholesterol to tissues and their oxidative modification is a major risk factor for atherogenesis. This study aimed to investigate the effect of sphingomyelinase (SMase) treatment on LDL properties and its impact on human umbilical vein endothelial cells (HUVECs). The results showed that both ox-LDLs and SMase-LDLs increased intracellular reactive oxygen species (ROS) and upregulated the antioxidant enzyme Paraoxonase 2 (PON2). However, only SMase-LDLs induced the activation of the feedback loop enzyme superoxide dismutase 2 (SOD2) to counteract the detrimental effects of ROS. Furthermore, SMase-LDLs had a stronger pro-apoptotic and proinflammatory effect on HUVECs compared to ox-LDLs.
Article
Nutrition & Dietetics
Mariastella Colomba, Serena Benedetti, Daniele Fraternale, Andrea Guidarelli, Sofia Coppari, Valerio Freschi, Rita Crinelli, George E. N. Kass, Andrea Gorassini, Giancarlo Verardo, Carla Roselli, Maria Assunta Meli, Barbara Di Giacomo, Maria Cristina Albertini
Summary: In this study, we used bioinformatics analysis and experimental validation to investigate the mechanism behind the antioxidant effects of Prunus spinosa fruit (PSF) extract during a pro-inflammatory TLR4 insult. The analysis suggested that the extract activates the biological process of cellular senescence and identified potential targets in ARE signaling, MMP, and p53 SR pathways. Experimental validation showed that the extract reduces oxidative stress through the modulation of Nrf2, but no significant effects were observed on p53 and MMP modulation.
Article
Cardiac & Cardiovascular Systems
Antonio Ceriello, Giuseppe Lucisano, Francesco Prattichizzo, Rosalba La Grotta, Stefan Franzen, Soffia Gudbjornsdottir, Bjorn Eliasson, Antonio Nicolucci
Summary: The variability of multiple risk factors is associated with an increased risk of cardiovascular events and mortality in patients with Type 2 diabetes. Patients with high variability of both body weight and systolic blood pressure had the greatest risk of cardiovascular diseases or mortality.
EUROPEAN JOURNAL OF PREVENTIVE CARDIOLOGY
(2023)
Article
Biology
Giulia Matacchione, Vittoria Borgonetti, Deborah Ramini, Andrea Silvestrini, Marta Ojetti, Nicoletta Galeotti, Fabiola Olivieri
Summary: Aging is associated with inflammaging, a low-grade and sterile inflammation that is recognized as the main risk factor for age-related diseases. In this study, an Asian-native Ginger extract was found to have anti-senescence and anti-inflammatory properties on human endothelial cells and murine microglial cells, suggesting its potential relevance in delaying age-related diseases.
Article
Biochemistry & Molecular Biology
Andrea Silvestrini, Chiara Giordani, Sonia Bonacci, Angelica Giuliani, Deborah Ramini, Giulia Matacchione, Jacopo Sabbatinelli, Silvia Di Valerio, Deborah Pacetti, Antonio Domenico Procopio, Antonio Procopio, Maria Rita Rippo
Summary: Olive leaf extract components OC and OA have shown anti-inflammatory effects in human cellular models, and also have potential applications in viral infections and aging-related inflammation.