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Martinez Bravo G, Annarapu G, Carmona E, Nawarskas J, Clark R, Novelli E, Mota Alvidrez RI. Platelets in Thrombosis and Atherosclerosis: A Double-Edged Sword. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:1608-1621. [PMID: 38885926 DOI: 10.1016/j.ajpath.2024.05.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/16/2024] [Accepted: 05/16/2024] [Indexed: 06/20/2024]
Abstract
This review focuses on the dual role of platelets in atherosclerosis and thrombosis, exploring their involvement in inflammation, angiogenesis, and plaque formation, as well as their hemostatic and prothrombotic functions. Beyond their thrombotic functions, platelets engage in complex interactions with diverse cell types, influencing disease resolution and progression. The contribution of platelet degranulation helps in the formation of atheromatous plaque, whereas the reciprocal interaction with monocytes adds complexity. Alterations in platelet membrane receptors and signaling cascades contribute to advanced atherosclerosis, culminating in atherothrombotic events. Understanding these multifaceted roles of platelets will lead to the development of targeted antiplatelet strategies for effective cardiovascular disease prevention and treatment. Understanding platelet functions in atherosclerosis and atherothrombosis at different stages of disease will be critical for designing targeted treatments and medications to prevent or cure the disease Through this understanding, platelets can be targeted at specific times in the atherosclerosis process, possibly preventing the development of atherothrombosis.
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Affiliation(s)
| | - Gowtham Annarapu
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Emely Carmona
- School of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - James Nawarskas
- Pharmaceutical Sciences-Pharmacy Practice, College of Pharmacy, University of New Mexico, Albuquerque, New Mexico
| | - Ross Clark
- Cell Biology and Physiology, University of New Mexico, Albuquerque, New Mexico; Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico
| | - Enrico Novelli
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania; School of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Roberto I Mota Alvidrez
- Biomedical Engineering Department, University of New Mexico, Albuquerque, New Mexico; Pharmaceutical Sciences-Pharmacy Practice, College of Pharmacy, University of New Mexico, Albuquerque, New Mexico; Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico.
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Lin TK, Tsai CL, Tsai BCK, Kuo CH, Ho TJ, Hsieh DJY, Kuo WW, Huang CY. Low-concentration imiquimod treatment promotes enhanced skin barrier functions through epidermal melanization reaction regulation. ENVIRONMENTAL TOXICOLOGY 2024; 39:4360-4371. [PMID: 38760990 DOI: 10.1002/tox.24332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 03/31/2024] [Accepted: 04/29/2024] [Indexed: 05/20/2024]
Abstract
The primary function of the skin is to form a mechanical, permeability, antimicrobial, and ultraviolet radiation barrier, which is essential for maintaining physiological homeostasis. Our previous studies demonstrated that cutaneous pigmentation could promote skin barrier function in addition to providing anti-ultraviolet irradiation defense. The present study aimed to develop a new regimen that enhances skin barrier function by regulating skin pigmentation using low-concentration imiquimod. Results showed that topical application of low-concentration imiquimod effectively induced skin hyperpigmentation in the dorsal skin and external ear of mice without inducing inflammatory cell infiltration. An in vitro study also revealed that low-concentration imiquimod did not induce any cytotoxic effects on melanoma cells but triggered excessive melanin synthesis. In coculture systems, low-concentration imiquimod was noted to increase tyrosinase activity in a broader cellular context, revealing the potential role of neighboring cells in melanin production. The next-generation sequencing result indicated that PKCη and Dnm3 might regulate melanin synthesis and release during imiquimod treatment. Overall, our study presents new insights into the regulation of melanin production by low-concentration imiquimod, both in a mice model and cultured cells. Furthermore, our study highlights the potential benefits of imiquimod in promoting melanin synthesis without causing skin disruptions or inducing inflammation, validating its potential to serve as a method for enhancing skin barrier functions by regulating the epidermal melanization reaction.
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Affiliation(s)
- Tzu-Kai Lin
- Department of Dermatology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Chia-Lun Tsai
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Bruce Chi-Kang Tsai
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
| | - Chia-Hua Kuo
- Institute of Sports Sciences, University of Taipei, Taipei, Taiwan
- Laboratory of Exercise Biochemistry, Institute of Sports Sciences, University of Taipei, Tianmu Campus, Taipei, Taiwan
- Department of Kinesiology and Health Science, College of William and Mary, Williamsburg, Virginia, USA
| | - Tsung-Jung Ho
- Department of Chinese Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- Integration Center of Traditional Chinese and Modern Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- School of Post-Baccalaureate Chinese Medicine, College of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Dennis Jine-Yuan Hsieh
- School of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung, Taiwan
- Clinical Laboratory, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Wei-Wen Kuo
- Department of Biological Science and Technology, College of Life Sciences, China Medical University, Taichung, Taiwan
- Ph.D. Program for Biotechnology Industry, China Medical University, Taichung, Taiwan
- School of Pharmacy, China Medical University, Taichung, Taiwan
| | - Chih-Yang Huang
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
- Department of Medical Laboratory Science and Biotechnology, Asia University, Taichung, Taiwan
- Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien, Taiwan
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Korde SB, Pillewan SR, Dumbre SR, Bandgar AR, Shinde PS, Gairola S, Nikam VS. Significance of Bacillus Calmette-Guerin (BCG) vaccine intervention for patients with Type 1 Diabetes (T1D): A systematic review and meta-analysis. Diabetes Metab Syndr 2024; 18:103102. [PMID: 39173532 DOI: 10.1016/j.dsx.2024.103102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 08/08/2024] [Accepted: 08/10/2024] [Indexed: 08/24/2024]
Abstract
PURPOSE Immunotherapy is an emerging therapeutic modality for many autoimmune, oncology, and infectious diseases to cure or prevent the underlying causes. Several immunotherapeutic agents are investigated for their beneficial potential in patients with diabetes. However, none have culminated into a successful therapy. The present comprehensive meta-analysis and systematic review covers the last two decades of historical research evaluating the Bacillus Calmette-Guerin (BCG) vaccine as an immunotherapeutic agent in diabetes, along with updated information on similar recent publications. METHOD A total of 278 articles were retrieved through literature databases, and after applying inclusion and exclusion criteria as per PRISMA guidelines, seven studies were selected for meta-analysis using Cochrane Q statistics. RESULTS Our meta-analysis revealed marginal benefits, lowering glycosylated/glycated haemoglobin (HbA1C) levels and glutamic-acid-decarboxylase (GAD) autoantibodies in BCG treated people with Type 1 Diabetes (T1D) compared to the matched control individuals. The BCG intervention found to be ineffective in regulating C-peptide (connecting peptide) and clinical remission (CR) i.e. improved glycemic regulation, though beneficial tendency was observed. CONCLUSION Our systematic review and meta-analysis revealed benefits of BCG vaccine intervention in T1D patients, including improved HbA1C and GAD autoantibody levels. However, the study has several limitations stemming from BCG vaccine-related factors and patient characteristics. Therefore, a large clinical trial with an enhanced study design is needed to validate the immunity-related benefits of the BCG vaccine for glucose metabolism in patients with T1D.
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Affiliation(s)
- Sunil B Korde
- Department of Pharmacology, STES's, Smt. Kashibai Navale College of Pharmacy, Savitribai Phule Pune University, Pune 411048, Maharashtra, India
| | - Smita R Pillewan
- Department of Pharmacology, STES's, Smt. Kashibai Navale College of Pharmacy, Savitribai Phule Pune University, Pune 411048, Maharashtra, India
| | - Sanket R Dumbre
- Department of Pharmacology, STES's, Smt. Kashibai Navale College of Pharmacy, Savitribai Phule Pune University, Pune 411048, Maharashtra, India
| | - Anjali R Bandgar
- Department of Pharmacology, STES's, Smt. Kashibai Navale College of Pharmacy, Savitribai Phule Pune University, Pune 411048, Maharashtra, India
| | - Prajakta S Shinde
- Department of Pharmacology, STES's, Smt. Kashibai Navale College of Pharmacy, Savitribai Phule Pune University, Pune 411048, Maharashtra, India
| | - Sunil Gairola
- Serum Institute of India Private Ltd., Pune 411028, Maharashtra, India
| | - Vandana S Nikam
- Department of Pharmacology, STES's, Smt. Kashibai Navale College of Pharmacy, Savitribai Phule Pune University, Pune 411048, Maharashtra, India.
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4
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Mishra A, Kumar R, Harilal S, Nigam M, Datta D, Singh S. Emerging Landscape of In Vitro Models for Assessing Rheumatoid Arthritis Management. ACS Pharmacol Transl Sci 2024; 7:2280-2305. [PMID: 39144547 PMCID: PMC11320735 DOI: 10.1021/acsptsci.4c00260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 06/23/2024] [Accepted: 06/24/2024] [Indexed: 08/16/2024]
Abstract
Rheumatoid arthritis (RA) is a complex condition that is influenced by various causes, including immunological, genetic, and environmental factors. Several studies using animal models have documented immune system dysfunction and described the clinical characteristics of the disease. These studies have provided valuable insights into the pathogenesis of inflammatory arthritis and the identification of new targets for treatment. Nevertheless, none of these animal models successfully replicated all the characteristics of RA. Additionally, numerous experimental medications, which were developed based on our enhanced comprehension of the immune system's function in RA, have shown potential in animal research but ultimately proved ineffective during different stages of clinical trials. There have been several novel therapy alternatives, which do not achieve a consistently outstanding therapeutic outcome in all patients. This underscores the importance of employing the progress in in vitro models, particularly 3D models like tissue explants, and diverse multicomponent approaches such as coculture strategies, synovial membrane, articular cartilage, and subchondral bone models that accurately replicate the structural characteristics of RA pathophysiology. These methods are crucial for the advancement of potential therapeutic strategies. This review discusses the latest advancements in in vitro models and their potential to greatly impact research on managing RA.
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Affiliation(s)
- Abhay
Prakash Mishra
- Department
of Pharmacology, University of Free State, Bloemfontein 9301, South Africa
- Department
of Pharmaceutical Sciences, Naresuan University, Phitsanulok 65000, Thailand
| | - Rajesh Kumar
- Faculty
of Pharmaceutical Sciences, Kerala University
of Health Sciences, Kerala 680596, India
| | - Seetha Harilal
- Faculty
of Pharmaceutical Sciences, Kerala University
of Health Sciences, Kerala 680596, India
| | - Manisha Nigam
- Department
of Biochemistry, Hemvati Nandan Bahuguna
Garhwal University, Srinagar
Garhwal, Uttarakhand 246174, India
| | - Deepanjan Datta
- Department
of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Sudarshan Singh
- Office of
Research Administration, Chiang Mai University, Chiang Mai 50200, Thailand
- Faculty of
Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
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Srinivas AN, Suresh D, Vishwanath PM, Satish S, Santhekadur PK, Koka S, Kumar DP. TACE inhibition: a promising therapeutic intervention against AATF-mediated steatohepatitis to hepatocarcinogenesis. Mol Oncol 2024; 18:1940-1957. [PMID: 38558505 PMCID: PMC11306524 DOI: 10.1002/1878-0261.13646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 01/03/2024] [Accepted: 03/18/2024] [Indexed: 04/04/2024] Open
Abstract
Metabolic dysfunction-associated steatohepatitis-driven hepatocellular carcinoma (MASH-HCC) is a global clinical challenge for which there is a limited understanding of disease pathogenesis and a subsequent lack of therapeutic interventions. We previously identified that tumor necrosis factor-alpha (TNF-α) upregulated apoptosis antagonizing transcription factor (AATF) in MASH. Here, we investigated the effect of TNF-α converting enzyme (TACE) inhibition as a promising targeted therapy against AATF-mediated steatohepatitis to hepatocarcinogenesis. A preclinical murine model that recapitulates human MASH-HCC was used in the study. C57Bl/6 mice were fed with chow diet normal water (CD) or western diet sugar water (WD) along with a low dose of carbon tetrachloride (CCl4; 0.2 μL·g-1, weekly) for 24 weeks. TACE activity, TNF-α levels, and AATF expression were measured. The mice were treated with the TACE inhibitor Marimastat for 12 weeks, followed by analyses of liver injury, fibrosis, inflammation, and oncogenic signaling. In vitro experiments using stable clones of AATF control and AATF knockdown were also conducted. We found that AATF expression was upregulated in WD/CCl4 mice, which developed severe MASH at 12 weeks and advanced fibrosis with HCC at 24 weeks. WD/CCl4 mice showed increased TACE activity with reduced hepatic expression of sirtuin 1 (Sirt1) and tissue inhibitor of metalloproteinase 3 (Timp3). The involvement of the SIRT1/TIMP3/TACE axis was confirmed by the release of TNF-α, which upregulated AATF, a key molecular driver of MASH-HCC. Interestingly, TACE inhibition by Marimastat reduced liver injury, dyslipidemia, AATF expression, and oncogenic signaling, effectively preventing hepatocarcinogenesis. Furthermore, Marimastat inhibited the activation of JNK, ERK1/2, and AKT, which are key regulators of tumorigenesis in WD/CCl4 mice and in AATF control cells, but had no effect on AATF knockdown cells. This study shows that TACE inhibition prevents AATF-mediated inflammation, fibrosis, and oncogenesis in MASH-HCC, offering a potential target for therapeutic intervention.
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Affiliation(s)
- Akshatha N. Srinivas
- Department of Biochemistry, CEMR Lab, JSS Medical CollegeJSS Academy of Higher Education and ResearchMysuruIndia
| | - Diwakar Suresh
- Department of Biochemistry, CEMR Lab, JSS Medical CollegeJSS Academy of Higher Education and ResearchMysuruIndia
| | - Prashant M. Vishwanath
- Department of Biochemistry, CEMR Lab, JSS Medical CollegeJSS Academy of Higher Education and ResearchMysuruIndia
| | - Suchitha Satish
- Department of Pathology, JSS Medical College and HospitalJSS Academy of Higher Education and ResearchMysuruIndia
| | - Prasanna K. Santhekadur
- Department of Biochemistry, CEMR Lab, JSS Medical CollegeJSS Academy of Higher Education and ResearchMysuruIndia
| | - Saisudha Koka
- Department of Pharmaceutical Sciences, Irma Lerma Rangel School of PharmacyTexas A&M UniversityKingsvilleTXUSA
| | - Divya P. Kumar
- Department of Biochemistry, CEMR Lab, JSS Medical CollegeJSS Academy of Higher Education and ResearchMysuruIndia
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6
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Karnam S, Donthi MR, Jindal AB, Paul AT. Recent innovations in topical delivery for management of rheumatoid arthritis: A focus on combination drug delivery. Drug Discov Today 2024; 29:104071. [PMID: 38942070 DOI: 10.1016/j.drudis.2024.104071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/14/2024] [Accepted: 06/24/2024] [Indexed: 06/30/2024]
Abstract
Rheumatoid arthritis (RA) is an immune-mediated disease that necessitates a thorough understanding of its intricate pathophysiological mechanism for precise and effective therapeutic targeting. The European League Against Rheumatism (EULAR) has established guidelines for RA treatment, endorsing monotherapy or combination therapy with corticosteroids and synthetic disease-modifying antirheumatic drugs (sDMARDs). This review delves into clinical trials and research outcomes related to combination drug delivery, with an emphasis on the role of natural products in combination with synthetic drugs. Given the significant adverse effects associated with systemic administration, topical delivery has emerged as an alternative avenue for effective management of RA.
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Affiliation(s)
- Sriravali Karnam
- Laboratory of Natural Product Chemistry, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Mahipal Reddy Donthi
- Laboratory of Natural Product Chemistry, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Anil B Jindal
- Laboratory of Natural Product Chemistry, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India
| | - Atish T Paul
- Laboratory of Natural Product Chemistry, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Rajasthan 333031, India.
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7
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Bu Y, Burks J, Yang K, Prince J, Borna A, Coe CL, Simmons A, Tu XM, Baker D, Kimball D, Rao R, Shah V, Huang M, Schwindt P, Coleman TP, Lerman I. Non-invasive ventral cervical magnetoneurography as a proxy of in vivo lipopolysaccharide-induced inflammation. Commun Biol 2024; 7:893. [PMID: 39075164 PMCID: PMC11286963 DOI: 10.1038/s42003-024-06435-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 06/10/2024] [Indexed: 07/31/2024] Open
Abstract
Maintenance of autonomic homeostasis is continuously calibrated by sensory fibers of the vagus nerve and sympathetic chain that convey compound action potentials (CAPs) to the central nervous system. Lipopolysaccharide (LPS) intravenous challenge reliably elicits a robust inflammatory response that can resemble systemic inflammation and acute endotoxemia. Here, we administered LPS intravenously in nine healthy subjects while recording ventral cervical magnetoneurography (vcMNG)-derived CAPs at the rostral Right Nodose Ganglion (RNG) and the caudal Right Carotid Artery (RCA) with optically pumped magnetometers (OPM). We observed vcMNG RNG and RCA neural firing rates that tracked changes in TNF-α levels in the systemic circulation. Further, endotype subgroups based on high and low IL-6 responders segregate RNG CAP frequency (at 30-120 min) and based on high and low IL-10 response discriminate RCA CAP frequency (at 0-30 min). These vcMNG tools may enhance understanding and management of the neuroimmune axis that can guide personalized treatment based on an individual's distinct endophenotype.
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Affiliation(s)
- Yifeng Bu
- Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, CA, 92093, USA
| | - Jamison Burks
- Department of Bioengineering, University of California San Diego, La Jolla, CA, 92093, USA
| | - Kun Yang
- Division of Biostatistics and Bioinformatics, University of California San Diego, La Jolla, CA, 92093, USA
| | - Jacob Prince
- Department of Bioengineering, University of California San Diego, La Jolla, CA, 92093, USA
| | - Amir Borna
- Quantum Information Sciences, Sandia National Laboratories, Albuquerque, NM, 87123, USA
| | - Christopher L Coe
- Department of Psychology, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Alan Simmons
- Center for Stress and Mental Health (CESAMH) VA San Diego, La Jolla, CA, 92093, USA
- Department of Psychiatry, University of California San Diego, La Jolla, CA, 92093, USA
| | - Xin M Tu
- Division of Biostatistics and Bioinformatics, University of California San Diego, La Jolla, CA, 92093, USA
| | - Dewleen Baker
- Center for Stress and Mental Health (CESAMH) VA San Diego, La Jolla, CA, 92093, USA
- Department of Psychiatry, University of California San Diego, La Jolla, CA, 92093, USA
| | - Donald Kimball
- Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, CA, 92093, USA
| | - Ramesh Rao
- Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, CA, 92093, USA
| | - Vishal Shah
- Quspin Laboratory Head Quarters, Boulder, CO, 80305, USA
| | - Mingxiong Huang
- Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, CA, 92093, USA
- Department of Radiology, University of California San Diego, La Jolla, CA, 92093, USA
| | - Peter Schwindt
- Quantum Information Sciences, Sandia National Laboratories, Albuquerque, NM, 87123, USA
| | - Todd P Coleman
- Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, CA, 92093, USA
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA
| | - Imanuel Lerman
- Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, CA, 92093, USA.
- Center for Stress and Mental Health (CESAMH) VA San Diego, La Jolla, CA, 92093, USA.
- InflammaSense Incorporated Head Quarters, La Jolla, CA, 92093, USA.
- Department of Anesthesiology, University of California San Diego, La Jolla, CA, 92093, USA.
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8
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Pradeep A, Mathew AI, Vemula PK, Bhat SG, Narayanan S. Investigating the pro-inflammatory differentiation of macrophages with bacterial ghosts in potential infection control. Arch Microbiol 2024; 206:361. [PMID: 39066807 PMCID: PMC7616332 DOI: 10.1007/s00203-024-04089-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 07/17/2024] [Accepted: 07/19/2024] [Indexed: 07/30/2024]
Abstract
In the complex realm of bacterial infections, particularly those caused by Staphylococcus aureus (S. aureus), macrophages play a pivotal role in orchestrating the immune response. During the initial stages of infection, the monocytes give rise to macrophages with a pro-inflammatory (M1 type) behaviour, engulfing and neutralizing the invading pathogens. However, under the sustained influence of S. aureus infection, monocytes can undergo a transition into an anti-inflammatory M2 state (pro-infection) rather than the M1 state (anti-infection), thereby compromising effective infection control. Therefore, it is necessary to develop a strategy that would preserve the pro-inflammatory functions of macrophages, in a safe and controlled manner. For this, we focused on harnessing the potential of S. aureus-derived ghost cells (GCs) which are non-live empty envelopes of bacterial cells, but with the antigenic determinants intact. Through a unique Lugol's-iodine treatment, we generated GCs and characterization of these GCs using gel electrophoresis, FTIR, flow cytometry, TEM, and SEM confirmed their structural integrity. Following this, we assessed the extend of cellular association of the GCs with RAW267.4 macrophages, and observed an immediate interaction between the two, as evident from the flowcytometry and microscopy studies. We then performed macrophage polarisation on a human monocyte-macrophage model cell line, THP-1. Our findings revealed that GCs effectively activated macrophages, and promoted a pro-inflammatory polarisation with the expression of M1 differentiation markers (CD86, TNFα, IL-1β, IL-6, IL-12) evaluated through both qPCR and ELISA. Interestingly an intermediary expression of M2 markers viz., CD206 and IL-10 was also observed, but was overruled by the enhanced expression of M1 markers at a later time point. Overall, our study introduces a novel approach utilizing GCs to guide naïve macrophages towards M1 subtypes, thereby potentiating immune responses during microbial infections. This innovative strategy can modulate macrophage function, ultimately improving outcomes in S. aureus infections and beyond.
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Affiliation(s)
- Aiswarya Pradeep
- Department of Biotechnology, Cochin University of Science and Technology, Kochi, India
| | - Asish Issac Mathew
- Department of Biotechnology, Cochin University of Science and Technology, Kochi, India
| | | | - Sarita Ganapathy Bhat
- Department of Biotechnology, Cochin University of Science and Technology, Kochi, India
| | - Sreeja Narayanan
- Department of Biotechnology, Cochin University of Science and Technology, Kochi, India.
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9
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Venkatachalapathy Y, Suresh PKK, Balraj TH, Venkatesan V, Geminiganesan S, C D MP. Clinico-demographic and biochemical correlation of inflammatory gene expression in pediatric nephrotic syndrome. Mol Biol Rep 2024; 51:854. [PMID: 39060482 DOI: 10.1007/s11033-024-09784-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Accepted: 07/05/2024] [Indexed: 07/28/2024]
Abstract
BACKGROUND Nephrotic syndrome (NS) is a common kidney disease in children. While Steroid-Sensitive Nephrotic Syndrome (SSNS) is frequently observed, Steroid-Resistant Nephrotic Syndrome (SRNS) has a poor prognosis and often leads to chronic kidney disease. The pathogenesis of SRNS is complex, with immunological modulation of T helper subtypes 1 and 2 cytokines increasing susceptibility to the disease. Currently, no established biomarkers can accurately predict SRNS. However, a group of cytokines might serve as potential indicators of responsiveness, aiding in the identification of patients with SRNS. The discovery of these cytokines as novel biomarkers for early diagnosis could greatly benefit patients. This includes preventing the adverse effects of glucocorticoid treatment and enabling a timely transition to more effective therapeutic alternatives. METHODS This study aims to investigate the association between the gene expression patterns of cytokines, including IL-2, IL-4, IL-5, IL-6, IL-9, IL-10, IL-13, IL-17A, NF-κB, and TNFα, in healthy participants (n = 100), SSNS patients (n = 100), and SRNS patients (n = 100). Using qRT-PCR, followed by Receiver-operating characteristic analysis, the study assesses their potential as biomarkers. Additionally, clinicodemographic data were analyzed, and bioinformatic analyses such as coexpression analysis, gene enrichment, pathway analysis, and Cytoscape were performed to enhance our understanding of the inflammatory cascade initiating podocyte injury in NS. RESULTS The results of our study suggest that specific candidate genes, including IL-2, IL-5, IL-6, IL-9, IL-17A, IL-10, IL-13, and TNFα, exhibit upregulation and hold significant importance, with an Area Under the Curve value of 0.9. CONCLUSION These genes have the potential to serve as valuable prognostic and management tools for NS, forming a promising panel of inflammatory gene biomarkers. Furthermore, conducting an extensive analysis that integrates cytokine genes with their respective targeted microRNAs could offer deeper insights into the pathogenesis of the disease.
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Affiliation(s)
| | | | - Thendral Hepsibha Balraj
- Department of Biochemistry, Ethiraj College for Women, Affiliated to University of Madras, Chennai, India
| | - Vettriselvi Venkatesan
- Department of Human Genetics, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | - Sangeetha Geminiganesan
- Department of Paediatric Medicine, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | - Mohana Priya C D
- Department of Human Genetics, Sri Ramachandra Institute of Higher Education and Research, Chennai, India.
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10
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Singh A, Singh D, Tiwari N, Mittal P, Siddiqui MH, Mittal N. Exploring the therapeutic potential of rosemary compounds against Alzheimer's disease through GC-MS and molecular docking analysis. In Silico Pharmacol 2024; 12:63. [PMID: 39035101 PMCID: PMC11254900 DOI: 10.1007/s40203-024-00238-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Accepted: 07/08/2024] [Indexed: 07/23/2024] Open
Abstract
Alzheimer's disease (AD) is an age-related neurodegenerative disorder that is the leading cause of dementia in elderly individuals. Currently, there is no permanent treatment option available for this disorder, and the existing drug regimens are associated with limited effectiveness and side effects. To evaluate the neuroprotective effect of rosemary compounds, an extensive study was started with gas chromatography-mass spectrometry (GC-MS) analysis. GC-MS was performed to study the composition of rosemary essential oil and a total of 120 volatile compounds were identified. The 36 compounds from GC-MS data of rosemary essential oil having > 1% concentration in the oil were selected along with 3 already reported well-known non-volatile compounds of rosemary. se39 bioactive natural compounds of rosemary were docked against ACE, BACE1, GSK3, and TACE proteins, which are involved in AD progression. The top 3 compounds against each target protein were selected based on their binding energies and a total of 6 compounds were found as best candidates to target the AD; α Amyrin, Rosmanol, Androsta-1,4-dien-3-one,16,17-dihydroxy-(16.beta.,17.beta), Benzenesulfonamide,4-methyl-N-(5-nitro-2-pyridinyl), Methyl abietate, and Rosmarinic acid were the best compounds. The binding energy of α-Amyrin, Rosmanol, and Androsta-1,4-dien-3-one,16,17-dihydroxy-(16.beta.,17.beta) to ACE target is -10 kcal/mol, -9.3 kcal/mol, and - 9.3 kcal/mol, respectively. The best binding affinity was shown by complexes formed between GSK3-α-Amyrin (-9.1 kcal/mol), BACE1- α-Amyrin (-9.9 kcal/mol), and TACE- Benzenesulfonamide,4-methyl-N-(5-nitro-2-pyridinyl) (-9.1 kcal/mol). The comparative analysis between known inhibitors/ drugs of target proteins and the rosemary compound that shows the highest binding affinity against each protein also revealed the higher potential of rosemary natural compounds in terms of binding energy. The drug-likeliness properties like Lipinski's rule of five and the ADME/T analysis of top-selected compounds were screened through PkCSM and Deep-PK tools. The findings from this study suggested that rosemary compounds have the potential as a therapeutic lead for treating AD. This kind of experimental confirmation can lead to novel drug candidates against the pharmacological targets of AD. Supplementary Information The online version contains supplementary material available at 10.1007/s40203-024-00238-9.
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Affiliation(s)
- Anjali Singh
- Faculty of Biosciences, Institute of Biosciences and Technology, Shri Ramswaroop Memorial University, Lucknow-Dewa Road, Barabanki, Uttar Pradesh 225003 India
| | - Dhananjay Singh
- Department of Biosciences, Integral University, Kursi Road, Lucknow, Uttar Pradesh 226026 India
| | - Neeraj Tiwari
- Faculty of Biosciences, Institute of Biosciences and Technology, Shri Ramswaroop Memorial University, Lucknow-Dewa Road, Barabanki, Uttar Pradesh 225003 India
| | - Pooja Mittal
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab 140401 India
| | - Mohammed Haris Siddiqui
- Department of Bioengineering, Integral University, Kursi Road, Lucknow, Uttar Pradesh 226026 India
| | - Nishu Mittal
- Faculty of Biosciences, Institute of Biosciences and Technology, Shri Ramswaroop Memorial University, Lucknow-Dewa Road, Barabanki, Uttar Pradesh 225003 India
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11
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Mun SJ, Cho E, Kim HK, Gil WJ, Yang CS. Enhancing acute inflammatory and sepsis treatment: superiority of membrane receptor blockade. Front Immunol 2024; 15:1424768. [PMID: 39081318 PMCID: PMC11286478 DOI: 10.3389/fimmu.2024.1424768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Accepted: 07/03/2024] [Indexed: 08/02/2024] Open
Abstract
Conditions such as acute pancreatitis, ulcerative colitis, delayed graft function and infections caused by a variety of microorganisms, including gram-positive and gram-negative organisms, increase the risk of sepsis and therefore mortality. Immune dysfunction is a characterization of sepsis, so timely and effective treatment strategies are needed. The conventional approaches, such as antibiotic-based treatments, face challenges such as antibiotic resistance, and cytokine-based treatments have shown limited efficacy. To address these limitations, a novel approach focusing on membrane receptors, the initiators of the inflammatory cascade, is proposed. Membrane receptors such as Toll-like receptors, interleukin-1 receptor, endothelial protein C receptor, μ-opioid receptor, triggering receptor expressed on myeloid cells 1, and G-protein coupled receptors play pivotal roles in the inflammatory response, offering opportunities for rapid regulation. Various membrane receptor blockade strategies have demonstrated efficacy in both preclinical and clinical studies. These membrane receptor blockades act as early stage inflammation modulators, providing faster responses compared to conventional therapies. Importantly, these blockers exhibit immunomodulatory capabilities without inducing complete immunosuppression. Finally, this review underscores the critical need for early intervention in acute inflammatory and infectious diseases, particularly those posing a risk of progressing to sepsis. And, exploring membrane receptor blockade as an adjunctive treatment for acute inflammatory and infectious diseases presents a promising avenue. These novel approaches, when combined with antibiotics, have the potential to enhance patient outcomes, particularly in conditions prone to sepsis, while minimizing risks associated with antibiotic resistance and immune suppression.
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Affiliation(s)
- Seok-Jun Mun
- Department of Bionano Engineering, Hanyang University, Seoul, Republic of Korea
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, Republic of Korea
| | - Euni Cho
- Department of Bionano Engineering, Hanyang University, Seoul, Republic of Korea
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, Republic of Korea
| | - Hyo Keun Kim
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, Republic of Korea
- Department of Molecular and Life Science, Hanyang University, Ansan, Republic of Korea
| | - Woo Jin Gil
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, Republic of Korea
- Department of Molecular and Life Science, Hanyang University, Ansan, Republic of Korea
| | - Chul-Su Yang
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, Republic of Korea
- Department of Molecular and Life Science, Hanyang University, Ansan, Republic of Korea
- Department of Medicinal and Life Science, Hanyang University, Ansan, Republic of Korea
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12
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Samuelsen A, Lehman E, Burrows P, Bonavia AS. Time-Dependent Variation in Immunoparalysis Biomarkers Among Patients with Sepsis and Critical Illness. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.07.11.24310285. [PMID: 39040186 PMCID: PMC11261946 DOI: 10.1101/2024.07.11.24310285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Abstract
Immunoparalysis is a significant concern in patients with sepsis and critical illness, potentially leading to increased risk of secondary infections. This study aimed to perform a longitudinal assessment of immune function over the initial two weeks following the onset of sepsis and critical illness. We compared ex vivo stimulated cytokine release to traditional markers of immunoparalysis, including monocyte Human Leukocyte Antigen (mHLA)-DR expression and absolute lymphocyte count (ALC). A total of 64 critically ill patients were recruited in a tertiary care academic medical setting, including 31 septic and 33 non-septic patients. Results showed that while mHLA-DR expression significantly increased over time, this was primarily driven by the non-septic subset of critically ill patients. ALC recovery was more prominent in septic patients. Ex vivo stimulation revealed significant increases in TNF and IL-6 production over time in septic patients. However, IFNγ production varied with the stimulant used and did not show significant recovery when normalized to cell count. No significant correlation was found between mHLA-DR expression and other immunoparalysis biomarkers. These findings suggest the need for more nuanced immune monitoring approaches beyond the traditional 'sepsis' versus 'non-sepsis' classifications in critically ill patients. It also provided further evidence of a potential window for targeted immunotherapeutic interventions in the first week of critical illness.
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Affiliation(s)
- Abigail Samuelsen
- Department of Anesthesiology and Perioperative Medicine, Penn State Hershey Medical Center, Hershey, PA 17033
| | - Erik Lehman
- Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA 17033
| | - Parker Burrows
- Department of Anesthesiology and Perioperative Medicine, Penn State Hershey Medical Center, Hershey, PA 17033
| | - Anthony S Bonavia
- Division of Critical Care Medicine, Department of Anesthesiology and Perioperative Medicine, Penn State Hershey Medical Center, Hershey, PA 17033
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13
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Russo C, Santangelo R, Malaguarnera L, Valle MS. The "Sunshine Vitamin" and Its Antioxidant Benefits for Enhancing Muscle Function. Nutrients 2024; 16:2195. [PMID: 39064638 PMCID: PMC11279438 DOI: 10.3390/nu16142195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Revised: 07/08/2024] [Accepted: 07/09/2024] [Indexed: 07/28/2024] Open
Abstract
Pathological states marked by oxidative stress and systemic inflammation frequently compromise the functional capacity of muscular cells. This progressive decline in muscle mass and tone can significantly hamper the patient's motor abilities, impeding even the most basic physical tasks. Muscle dysfunction can lead to metabolic disorders and severe muscle wasting, which, in turn, can potentially progress to sarcopenia. The functionality of skeletal muscle is profoundly influenced by factors such as environmental, nutritional, physical, and genetic components. A well-balanced diet, rich in proteins and vitamins, alongside an active lifestyle, plays a crucial role in fortifying tissues and mitigating general weakness and pathological conditions. Vitamin D, exerting antioxidant effects, is essential for skeletal muscle. Epidemiological evidence underscores a global prevalence of vitamin D deficiency, which induces oxidative harm, mitochondrial dysfunction, reduced adenosine triphosphate production, and impaired muscle function. This review explores the intricate molecular mechanisms through which vitamin D modulates oxidative stress and its consequent effects on muscle function. The aim is to evaluate if vitamin D supplementation in conditions involving oxidative stress and inflammation could prevent decline and promote or maintain muscle function effectively.
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Affiliation(s)
- Cristina Russo
- Section of Pathology, Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, 95123 Catania, Italy;
| | - Rosa Santangelo
- Department of Medicine and Health Sciences, University of Catania, Via Santa Sofia, 97, 95124 Catania, Italy;
| | - Lucia Malaguarnera
- Section of Pathology, Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, 95123 Catania, Italy;
| | - Maria Stella Valle
- Section of Physiology, Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy;
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Zhou Q, Zheng Z, Yin S, Duan D, Liao X, Xiao Y, He J, Zhong J, Zeng Z, Su L, Luo L, Dong C, Chen J, Li J. Nicotinamide mitigates visceral leishmaniasis by regulating inflammatory response and enhancing lipid metabolism. Parasit Vectors 2024; 17:288. [PMID: 38971783 PMCID: PMC11227177 DOI: 10.1186/s13071-024-06370-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 06/21/2024] [Indexed: 07/08/2024] Open
Abstract
BACKGROUND Currently, treatment regimens for visceral leishmaniasis (VL) are limited because of the presence of numerous adverse effects. Nicotinamide, a readily available and cost-effective vitamin, has been widely acknowledged for its safety profile. Several studies have demonstrated the anti-leishmanial effects of nicotinamide in vitro. However, the potential role of nicotinamide in Leishmania infection in vivo remains elusive. METHODS In this study, we assessed the efficacy of nicotinamide as a therapeutic intervention for VL caused by Leishmania infantum in an experimental mouse model and investigated its underlying molecular mechanisms. The potential molecular mechanism was explored through cytokine analysis, examination of spleen lymphocyte subsets, liver RNA-seq analysis, and pathway validation. RESULTS Compared to the infection group, the group treated with nicotinamide demonstrated significant amelioration of hepatosplenomegaly and recovery from liver pathological damage. The NAM group exhibited parasite reduction rates of 79.7% in the liver and 86.7% in the spleen, respectively. Nicotinamide treatment significantly reduced the activation of excessive immune response in infected mice, thereby mitigating hepatosplenomegaly and injury. Furthermore, nicotinamide treatment enhanced fatty acid β-oxidation by upregulating key enzymes to maintain lipid homeostasis. CONCLUSIONS Our findings provide initial evidence supporting the safety and therapeutic efficacy of nicotinamide in the treatment of Leishmania infection in BALB/c mice, suggesting its potential as a viable drug for VL.
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Affiliation(s)
- Qi Zhou
- Department of Pathogenic Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China
| | - Zhiwan Zheng
- Department of Pathogenic Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China
- Sichuan-Chongqing jointly-established Research Platform of Zoonosis, Chengdu, China
| | - Shuangshuang Yin
- Department of Pathogenic Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China
| | - Dengbinpei Duan
- Department of Pathogenic Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China
| | - Xuechun Liao
- Department of Pathogenic Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China
| | - Yuying Xiao
- Department of Pathogenic Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China
| | - Jinlei He
- Department of Pathogenic Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China
- Sichuan-Chongqing jointly-established Research Platform of Zoonosis, Chengdu, China
| | - Junchao Zhong
- Department of Pathogenic Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China
| | - Zheng Zeng
- Sichuan-Chongqing jointly-established Research Platform of Zoonosis, Chengdu, China
- Chong Qing Animal Disease Prevention and Control Center, Chongqing, China
| | - Liang Su
- Sichuan-Chongqing jointly-established Research Platform of Zoonosis, Chengdu, China
- Chong Qing Animal Disease Prevention and Control Center, Chongqing, China
| | - Lu Luo
- Sichuan-Chongqing jointly-established Research Platform of Zoonosis, Chengdu, China
- Chong Qing Animal Disease Prevention and Control Center, Chongqing, China
| | - Chunxia Dong
- Sichuan-Chongqing jointly-established Research Platform of Zoonosis, Chengdu, China
- Chong Qing Animal Disease Prevention and Control Center, Chongqing, China
| | - Jianping Chen
- Department of Pathogenic Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China.
- Sichuan-Chongqing jointly-established Research Platform of Zoonosis, Chengdu, China.
| | - Jiao Li
- Department of Pathogenic Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, China.
- Sichuan-Chongqing jointly-established Research Platform of Zoonosis, Chengdu, China.
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15
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Sirajo MU, Maigari YK, Sunusi A, Jibril AN, Lawal IU, Ibrahim BM. Synergistic action of vitamin D3 and A on motor activity regulation in mice model of extrapyramidal syndrome: Correlational insights into astrocyte regulation, cytokine modulation, and dopaminergic activity. J Chem Neuroanat 2024; 138:102421. [PMID: 38649035 DOI: 10.1016/j.jchemneu.2024.102421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 04/05/2024] [Accepted: 04/13/2024] [Indexed: 04/25/2024]
Abstract
BACKGROUND Extrapyramidal syndromes (EPS) represent neurological side effects of antipsychotic medications, characterized by motor disturbances. While previous studies have indicated the neuroprotective effects of vitamin D and A against EPS, the underlying mechanisms of this protection remain unclear. METHODS Twenty-four adult mice were categorized into four groups: positive and negative control groups, one receiving a dopamine antagonist, and the other receiving both a dopamine antagonist and vitamins D and A. Sections of the corticobasal loop, specifically the motor cortex (M1) and basal nuclei (CPu), were prepared for Immunohistochemistry (IHC) and stained with Glial Fibrillary Acidic Protein (GFAP) to visualize reactive astrocytes. ELISA assays for TNF-α, IL-6, IL-4, IL-13, and dopamine levels were performed on homogenized brain sections. RESULTS The EPS group exhibited a significant increase in TNF-α and IL-6 levels in M1 and CPu. Treatment with dopamine agonists and vitamin D&A resulted in significant reductions in IL-6 levels. Only the Vitamin D&A group showed a significant decline in TNF-α. The EPS group recorded significant decreases in IL-4 and IL-13, with IL-13 significantly elevated in the dopamine agonist and Vitamin D&A groups. IL-4 was notably increased in the Vitamin D&A groups. Dopamine concentration significantly declined in the EPS group, with improvements observed in the groups treated with dopamine agonists, and vitamin D&A. Reactive astrocytes were significantly expressed in the M1 and CPu of the EPS group but poorly expressed in other groups. CONCLUSIONS EPS is linked to astrocyte activation, an upsurge in pro-inflammatory cytokines, a decline in anti-inflammatory cytokines, and dopamine in the corticobasal loop. Administration of vitamin D3 and A was found to suppres pro-inflammatory cytokines and repress anti-inflammatory cytokines associated with astrocyte activation.
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Affiliation(s)
- Mujittapha U Sirajo
- Anatomy Unit, Department of Physiotherapy, School of Basic Medical Sciences, Skyline University Nigeria, Kano, Nigeria; Department of Anatomy, College of Health Sciences, Bayero University Kano, Nigeria
| | - Yahya K Maigari
- Department of Anatomy, College of Health Sciences, Bayero University Kano, Nigeria
| | - Abdulrashid Sunusi
- Department of Anatomy, College of Health Sciences, Bayero University Kano, Nigeria
| | - Adam N Jibril
- Department of Anatomy, College of Health Sciences, Bayero University Kano, Nigeria
| | - Isa Usman Lawal
- Anatomy Unit, Department of Physiotherapy, School of Basic Medical Sciences, Skyline University Nigeria, Kano, Nigeria; Department of Physiotherapy, Faculty of Allied Health Sciences, College of Health Sciences, Bayero University Kano, Nigeria
| | - Badamasi M Ibrahim
- Anatomy Unit, Department of Physiotherapy, School of Basic Medical Sciences, Skyline University Nigeria, Kano, Nigeria; Department of Anatomy, College of Health Sciences, Bayero University Kano, Nigeria.
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16
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Do H, Babbush Graber K, Chernoff KA, Melnick LE. Evolving Landscape of Biologic Therapy for Pediatric Psoriasis. Dermatol Clin 2024; 42:377-386. [PMID: 38796269 DOI: 10.1016/j.det.2024.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2024]
Abstract
Pediatric psoriasis is a chronic inflammatory skin condition. Current treatment modalities include topical medications, phototherapy, and systemic drugs, including biological agents. In cases of moderate-to-severe psoriasis recalcitrant to other therapies, biological therapies are often an attractive option given their dosing schedules, safety profiles, and need for less frequent laboratory monitoring, when compared with traditional systemic therapies. This article reviews biological treatment options approved for pediatric psoriasis and identifies others actively under investigation.
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Affiliation(s)
- Huongly Do
- Weill Cornell Medical College, New York, NY, USA
| | - Kayla Babbush Graber
- Department of Dermatology, Weill Cornell Medicine, 1305 York Avenue, 9th Floor, New York, NY 10021, USA
| | - Karen A Chernoff
- Department of Dermatology, Weill Cornell Medicine, 1305 York Avenue, 9th Floor, New York, NY 10021, USA
| | - Laura E Melnick
- Department of Dermatology, Weill Cornell Medicine, 1305 York Avenue, 9th Floor, New York, NY 10021, USA.
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17
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Śmiałek-Bartyzel J, Bzowska M, Mak P. Pro-inflammatory properties of aureocin A53. Microbes Infect 2024; 26:105365. [PMID: 38777105 DOI: 10.1016/j.micinf.2024.105365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 03/06/2024] [Accepted: 05/16/2024] [Indexed: 05/25/2024]
Abstract
Aureocin A53 is a peptide bacteriocin produced by an opportunistic pathogen Staphylococcus aureus strain A53. The spatial structure of aureocin, unlike its amino acid sequence, is similar to the bacteriocin BacSp222, which was recently found to have the ability to induce the inflammatory response in the host cells. The presented research aimed to verify such properties also for aureocin A53. We demonstrated that the synthetic aureocin has slight cytotoxic activity towards murine monocytic-macrophage cells. This molecule was also able to activate murine P388.D1 and RAW 264.7 cells to IFN-γ-dependent production of nitric oxide and to activate production of the pro-inflammatory cytokine - TNF. We also proved that the observed pro-inflammatory activity of the studied bacteriocin is related to the stimulation of the TLR2/TLR6 heterodimer and, consequently, activation of the NF-κB transcription factor. To sum up, A53 is the second bacteriocin described in the literature, showing the pro-inflammatory activity against murine macrophage-like cells.
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Affiliation(s)
- Justyna Śmiałek-Bartyzel
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, Łojasiewicza 11 St., 30-348 Kraków, Poland; Department of Analytical Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7 St., 30-387 Kraków, Poland
| | - Monika Bzowska
- Department of Cell Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7 St., 30-387 Kraków, Poland
| | - Paweł Mak
- Department of Analytical Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7 St., 30-387 Kraków, Poland.
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18
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Samuelsen AM, Halstead ES, Lehman EB, McKeone DJ, Bonavia AS. Predicting Organ Dysfunction in Septic and Critically Ill Patients: A Prospective Cohort Study Using Rapid Ex Vivo Immune Profiling. Crit Care Explor 2024; 6:e1106. [PMID: 38916619 PMCID: PMC11208107 DOI: 10.1097/cce.0000000000001106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/26/2024] Open
Abstract
OBJECTIVES While cytokine response patterns are pivotal in mediating immune responses, they are also often dysregulated in sepsis and critical illness. We hypothesized that these immunological deficits, quantifiable through ex vivo whole blood stimulation assays, may be indicative of subsequent organ dysfunction. DESIGN In a prospective observational study, adult septic patients and critically ill but nonseptic controls were identified within 48 hours of critical illness onset. Using a rapid, ex vivo assay based on responses to lipopolysaccharide (LPS), anti-CD3/anti-CD28 antibodies, and phorbol 12-myristate 13-acetate with ionomycin, cytokine responses to immune stimulants were quantified. The primary outcome was the relationship between early cytokine production and subsequent organ dysfunction, as measured by the Sequential Organ Failure Assessment score on day 3 of illness (SOFAd3). SETTING Patients were recruited in an academic medical center and data processing and analysis were done in an academic laboratory setting. PATIENTS Ninety-six adult septic and critically ill nonseptic patients were enrolled. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Elevated levels of tumor necrosis factor and interleukin-6 post-endotoxin challenge were inversely correlated with SOFAd3. Interferon-gamma production per lymphocyte was inversely related to organ dysfunction at day 3 and differed between septic and nonseptic patients. Clustering analysis revealed two distinct immune phenotypes, represented by differential responses to 18 hours of LPS stimulation and 4 hours of anti-CD3/anti-CD28 stimulation. CONCLUSIONS Our rapid immune profiling technique offers a promising tool for early prediction and management of organ dysfunction in critically ill patients. This information could be pivotal for early intervention and for preventing irreversible organ damage during the acute phase of critical illness.
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Affiliation(s)
| | - E. Scott Halstead
- Division of Critical Care Medicine, Department of Pediatrics, Penn State Milton S. Hershey Medical Center, Hershey, PA
| | - Erik B. Lehman
- Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA
| | - Daniel J. McKeone
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, Penn State Milton S. Hershey Medical Center, Hershey, PA
| | - Anthony S. Bonavia
- Division of Critical Care Medicine, Department of Anesthesiology and Perioperative Medicine, Penn State Milton S. Hershey Medical Center, Hershey, PA
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19
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Monu, Agnihotri P, Saquib M, Biswas S. Targeting TNF-α-induced expression of TTR and RAGE in rheumatoid arthritis: Apigenin's mediated therapeutic approach. Cytokine 2024; 179:156616. [PMID: 38626647 DOI: 10.1016/j.cyto.2024.156616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 04/10/2024] [Indexed: 04/18/2024]
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a chronic inflammatory disease induced by TNF-α, which increases fibroblast-like synoviocytes inflammation, resulting in cartilage destruction. The current work sought to comprehend the pathophysiological importance of TNF-α stimulation on differential protein expression and their regulation by apigenin using in-vitro and in-vivo models of RA. METHODS The human RA synovial fibroblast cells were stimulated with or without TNF-α (10 ng/ml) and treated with 40 μM apigenin. In-silico, in-vitro and in-vivo studies were performed to confirm the pathophysiological significance of apigenin on pro-inflammatory cytokines and on differential expression of TTR and RAGE proteins. RESULTS TNF-α induced inflammatory response in synoviocytes revealed higher levels of IL-6, IL-1β, and TNF-α cytokines and upregulated differential expression of TTR and RAGE. In-silico results demonstrated that apigenin has a binding affinity towards TNF-α, indicating its potential effect in the inflammatory process. Both in-vitro and in-vivo results obtained by Western Blot analysis suggested that apigenin reduced the level of p65 (p = 0.005), TTR (p = 0.002), and RAGE (p = 0.020). CONCLUSION The findings of this study suggested that TNF-α promotes the differential expression of pro-inflammatory cytokines, TTR, and RAGE via NF-kB pathways activation. Anti-inflammatory effect of apigenin impedes TNF-α mediated dysregulation or expression associated with RA pathogenesis.
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Affiliation(s)
- Monu
- Council of Scientific and Industrial Research (CSIR)-Institute of Genomics and Integrative Biology, Mall Road, Delhi University Campus, Delhi 110007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Prachi Agnihotri
- Council of Scientific and Industrial Research (CSIR)-Institute of Genomics and Integrative Biology, Mall Road, Delhi University Campus, Delhi 110007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Mohd Saquib
- Council of Scientific and Industrial Research (CSIR)-Institute of Genomics and Integrative Biology, Mall Road, Delhi University Campus, Delhi 110007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sagarika Biswas
- Council of Scientific and Industrial Research (CSIR)-Institute of Genomics and Integrative Biology, Mall Road, Delhi University Campus, Delhi 110007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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Tsai JN, Wang YH, Lin PJ, Chang CF, Sun CY, Chen YH. Nephroprotective effects of coriander (Coriandrum sativum) leaves aqueous extracts in aristolochic acid-intoxicated zebrafish embryos. ENVIRONMENTAL TOXICOLOGY 2024; 39:4014-4021. [PMID: 38613516 DOI: 10.1002/tox.24279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 03/15/2024] [Accepted: 03/31/2024] [Indexed: 04/15/2024]
Abstract
Coriander is a notable medicinal plant known for its diverse properties, including anti-inflammatory, antioxidant, anticancer, analgesic, and anti-diabetic effects. Despite its recognized health benefits, research on its nephroprotective properties is limited. This study aimed to investigate the potential nephroprotective properties of an aqueous extract derived from coriander leaves using an aristolochic acid-intoxicated zebrafish model. To assess kidney abnormalities induced by aristolochic acid (AA), we utilized the transgenic line Tg(wt1b:egfp), which expresses green fluorescent protein (GFP) in the kidney. Our previous report indicated that AA exposure leads to acute renal failure in zebrafish characterized by kidney malformation and impaired renal function. However, pretreatment of coriander extract (CE) can mitigate kidney malformations induced by AA. In addition, CE pretreatment reduces the accumulation of red blood cells in the glomerular region. To verify the nephroprotective effects of CE, we analyzed renal function by measuring the glomerular filtration rate in zebrafish embryos. Results indicate that CE partially mitigates renal function impairment caused by AA exposure, suggesting its potential to attenuate AA-induced renal failure. Mechanistically, pretreatment with CE reduces the expression of proinflammatory and proapoptotic genes induced by AA. This suggests that CE likely alleviates acute renal failure by reducing inflammation and apoptosis. As a result, we regard zebrafish as a valuable model for screening natural compounds that have the potential to alleviate AA-induced nephrotoxicity.
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Affiliation(s)
- Jen-Ning Tsai
- Department of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung, Taiwan
- Clinical Laboratory, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Yun-Hsin Wang
- Department of Chemistry, Tamkang University, New Taipei City, Taiwan
- Division of Basic Research, Sun Yat-Sen Cancer Center, Koo Foundation, Taipei, Taiwan
| | - Po-Ju Lin
- Department of Chemistry, Tamkang University, New Taipei City, Taiwan
| | - Chiung-Fang Chang
- Institute of Food Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Chiao-Yin Sun
- Department of Nephrology, Keelung Chang Gung Memorial Hospital, Keelung, Taiwan
| | - Yau-Hung Chen
- Department of Chemistry, Tamkang University, New Taipei City, Taiwan
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21
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An L, Kim D, Zhuang W, White AC. TNF Signaling Deficiency Promotes UVB-Induced Melanocyte Stem Cell Activation and Migration. J Invest Dermatol 2024; 144:1660-1663.e3. [PMID: 38237726 PMCID: PMC11193650 DOI: 10.1016/j.jid.2023.12.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 12/02/2023] [Accepted: 12/24/2023] [Indexed: 03/06/2024]
Affiliation(s)
- Luye An
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, New York, New York, USA
| | - Dahihm Kim
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, New York, New York, USA
| | - William Zhuang
- Department of Nutritional Science, College of Human Ecology, Cornell University, New York, New York, USA
| | - Andrew C White
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, New York, New York, USA.
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22
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Gorenjak M, Gole B, Goričan L, Jezernik G, Prosenc Zmrzljak U, Pernat C, Skok P, Potočnik U. Single-Cell Transcriptomic and Targeted Genomic Profiling Adjusted for Inflammation and Therapy Bias Reveal CRTAM and PLCB1 as Novel Hub Genes for Anti-Tumor Necrosis Factor Alpha Therapy Response in Crohn's Disease. Pharmaceutics 2024; 16:835. [PMID: 38931955 PMCID: PMC11207411 DOI: 10.3390/pharmaceutics16060835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/11/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND The lack of reliable biomarkers in response to anti-TNFα biologicals hinders personalized therapy for Crohn's disease (CD) patients. The motivation behind our study is to shift the paradigm of anti-TNFα biomarker discovery toward specific immune cell sub-populations using single-cell RNA sequencing and an innovative approach designed to uncover PBMCs gene expression signals, which may be masked due to the treatment or ongoing inflammation; Methods: The single-cell RNA sequencing was performed on PBMC samples from CD patients either naïve to biological therapy, in remission while on adalimumab, or while on ustekinumab but previously non-responsive to adalimumab. Sieves for stringent downstream gene selection consisted of gene ontology and independent cohort genomic profiling. Replication and meta-analyses were performed using publicly available raw RNA sequencing files of sorted immune cells and an association analysis summary. Machine learning, Mendelian randomization, and oligogenic risk score methods were deployed to validate DEGs highly relevant to anti-TNFα therapy response; Results: This study found PLCB1 in CD4+ T cells and CRTAM in double-negative T cells, which met the stringent statistical thresholds throughout the analyses. An additional assessment proved causal inference of both genes in response to anti-TNFα therapy; Conclusions: This study, jointly with an innovative design, uncovered novel candidate genes in the anti-TNFα response landscape of CD, potentially obscured by therapy or inflammation.
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Affiliation(s)
- Mario Gorenjak
- Centre for Human Molecular Genetics and Pharmacogenomics, Faculty of Medicine, University of Maribor, Taborska ulica 8, SI-2000 Maribor, Slovenia; (B.G.); (L.G.); (G.J.); (U.P.)
| | - Boris Gole
- Centre for Human Molecular Genetics and Pharmacogenomics, Faculty of Medicine, University of Maribor, Taborska ulica 8, SI-2000 Maribor, Slovenia; (B.G.); (L.G.); (G.J.); (U.P.)
| | - Larisa Goričan
- Centre for Human Molecular Genetics and Pharmacogenomics, Faculty of Medicine, University of Maribor, Taborska ulica 8, SI-2000 Maribor, Slovenia; (B.G.); (L.G.); (G.J.); (U.P.)
| | - Gregor Jezernik
- Centre for Human Molecular Genetics and Pharmacogenomics, Faculty of Medicine, University of Maribor, Taborska ulica 8, SI-2000 Maribor, Slovenia; (B.G.); (L.G.); (G.J.); (U.P.)
| | | | - Cvetka Pernat
- Department of Gastroenterology, Division of Internal Medicine, Maribor University Medical Centre, Ljubljanska ulica 5, SI-2000 Maribor, Slovenia; (C.P.); (P.S.)
| | - Pavel Skok
- Department of Gastroenterology, Division of Internal Medicine, Maribor University Medical Centre, Ljubljanska ulica 5, SI-2000 Maribor, Slovenia; (C.P.); (P.S.)
| | - Uroš Potočnik
- Centre for Human Molecular Genetics and Pharmacogenomics, Faculty of Medicine, University of Maribor, Taborska ulica 8, SI-2000 Maribor, Slovenia; (B.G.); (L.G.); (G.J.); (U.P.)
- Laboratory for Biochemistry, Molecular Biology and Genomics, Faculty for Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, SI-2000 Maribor, Slovenia
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23
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Honkanen M, Narvi E, Ojala VK, Jokilammi A, Rantakari P, Kronqvist P, Kähäri VM, Veräjänkorva E, Kurppa KJ, Rahkila J, Ekambaram R, Savolainen J, Leino R, Elenius K. Immunomodulatory Synthetic Glycocluster Molecule Prevents Melanoma Growth In Vivo. Chembiochem 2024:e202400264. [PMID: 38864514 DOI: 10.1002/cbic.202400264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 06/07/2024] [Accepted: 06/12/2024] [Indexed: 06/13/2024]
Abstract
Triacedimannose (TADM) is a synthetic trivalent acetylated glycocluster and a transmembrane macrophage activator independent of the mannose receptor. TADM induces Th1-type immune responses and suppresses Th2-type cytokines in acute and chronic allergic inflammation models in vivo. We, therefore, wanted to test whether TADM could also facilitate anti-tumour tissue responses similar to what has been observed for the immune checkpoint inhibitors, such as anti-PD-1 and anti-CTLA-4. A syngeneic mouse melanoma model was selected since metastatic melanoma has been successfully targeted by checkpoint inhibitors in the clinic. TADM inhibited the growth of B16 mouse melanoma tumours at levels comparable to an anti-PD-1 antibody. TADM-treated tumours encompassed significantly more apoptotic cells as measured by TUNEL staining, and interferon-gamma (IFN-γ) expression was increased in the spleens of TADM-treated mice compared to untreated controls. TADM-treated mice also demonstrated increased Ly6 C low monocytes and neutrophils in the spleens. However, TADM-treated tumours showed no discernible differences in infiltrating immune cells. TADM can alone suppress the growth of melanoma tumours. TADM likely activates M1 type macrophages, type N1 neutrophils, and CD8+ and Th1 T cells, suppressing the type 2 immune response milieu of melanoma tumour with a strong type 1 immune response.
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Affiliation(s)
- Meija Honkanen
- Institute of Biomedicine and MediCity Research Laboratory, University of Turku, Tykistökatu 6A, Turku, Finland
- Turku Graduate School of Molecular Medicine, University of Turku, Turku, Finland
| | - Elli Narvi
- Institute of Biomedicine and MediCity Research Laboratory, University of Turku, Tykistökatu 6A, Turku, Finland
| | - Veera K Ojala
- Institute of Biomedicine and MediCity Research Laboratory, University of Turku, Tykistökatu 6A, Turku, Finland
- Turku Graduate School of Molecular Medicine, University of Turku, Turku, Finland
- Turku Bioscience Center, University of Turku and Åbo Akademi University, Tykistökatu 6, Turku, Finland
| | - Anne Jokilammi
- Institute of Biomedicine and MediCity Research Laboratory, University of Turku, Tykistökatu 6A, Turku, Finland
- Turku Bioscience Center, University of Turku and Åbo Akademi University, Tykistökatu 6, Turku, Finland
| | - Pia Rantakari
- Turku Bioscience Center, University of Turku and Åbo Akademi University, Tykistökatu 6, Turku, Finland
- InFLAMES Flagship, University of Turku and Åbo Akademi University, Turku, Finland
| | - Pauliina Kronqvist
- Department of Pathology, University of Turku and Turku University Hospital, Kiinamyllynkatu 10, Turku, Finland
| | - Veli-Matti Kähäri
- Department of Dermatology, University of Turku and Turku University Hospital, Kiinamyllynkatu 4-8, Turku, Finland
- FICANWest Cancer Research Laboratory, University of Turku and Turku University Hospital, Turku, Finland
| | - Esko Veräjänkorva
- Plastic and General Surgery, Turku University Hospital, Kiinamyllynkatu 4-8, Turku, Finland
| | - Kari J Kurppa
- Institute of Biomedicine and MediCity Research Laboratory, University of Turku, Tykistökatu 6A, Turku, Finland
| | - Jani Rahkila
- Laboratory of Molecular Science and Engineering, Åbo Akademi University, Henrikinkatu 2, Turku, Finland
| | - Ramesh Ekambaram
- Laboratory of Molecular Science and Engineering, Åbo Akademi University, Henrikinkatu 2, Turku, Finland
| | - Johannes Savolainen
- Department of Pulmonary Diseases and Clinical Allergology, University of Turku and Turku University Hospital, Kiinamyllynkatu 4-8, Turku, Finland
| | - Reko Leino
- Laboratory of Molecular Science and Engineering, Åbo Akademi University, Henrikinkatu 2, Turku, Finland
| | - Klaus Elenius
- Institute of Biomedicine and MediCity Research Laboratory, University of Turku, Tykistökatu 6A, Turku, Finland
- Turku Bioscience Center, University of Turku and Åbo Akademi University, Tykistökatu 6, Turku, Finland
- Department of Oncology, University of Turku and Turku University Hospital, Kiinamyllynkatu 4-8, Turku, Finland
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24
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Verstappen K, Klymov A, Cicuéndez M, da Silva DM, Barroca N, Fernández-San-Argimiro FJ, Madarieta I, Casarrubios L, Feito MJ, Diez-Orejas R, Ferreira R, Leeuwenburgh SC, Portolés MT, Marques PA, Walboomers XF. Biocompatible adipose extracellular matrix and reduced graphene oxide nanocomposite for tissue engineering applications. Mater Today Bio 2024; 26:101059. [PMID: 38693996 PMCID: PMC11061343 DOI: 10.1016/j.mtbio.2024.101059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 03/30/2024] [Accepted: 04/13/2024] [Indexed: 05/03/2024] Open
Abstract
Despite the immense need for effective treatment of spinal cord injury (SCI), no successful repair strategy has yet been clinically implemented. Multifunctional biomaterials, based on porcine adipose tissue-derived extracellular matrix (adECM) and reduced graphene oxide (rGO), were recently shown to stimulate in vitro neural stem cell growth and differentiation. Nevertheless, their functional performance in clinically more relevant in vivo conditions remains largely unknown. Before clinical application of these adECM-rGO nanocomposites can be considered, a rigorous assessment of the cytotoxicity and biocompatibility of these biomaterials is required. For instance, xenogeneic adECM scaffolds could still harbour potential immunogenicity following decellularization. In addition, the toxicity of rGO has been studied before, yet often in experimental settings that do not bear relevance to regenerative medicine. Therefore, the present study aimed to assess both the in vitro as well as in vivo safety of adECM and adECM-rGO scaffolds. First, pulmonary, renal and hepato-cytotoxicity as well as macrophage polarization studies showed that scaffolds were benign invitro. Then, a laminectomy was performed at the 10th thoracic vertebra, and scaffolds were implanted directly contacting the spinal cord. For a total duration of 6 weeks, animal welfare was not negatively affected. Histological analysis demonstrated the degradation of adECM scaffolds and subsequent tissue remodeling. Graphene-based scaffolds showed a very limited fibrous encapsulation, while rGO sheets were engulfed by foreign body giant cells. Furthermore, all scaffolds were infiltrated by macrophages, which were largely polarized towards a pro-regenerative phenotype. Lastly, organ-specific histopathology and biochemical analysis of blood did not reveal any adverse effects. In summary, both adECM and adECM-rGO implants were biocompatible upon laminectomy while establishing a pro-regenerative microenvironment, which justifies further research on their therapeutic potential for treatment of SCI.
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Affiliation(s)
- Kest Verstappen
- Department of Dentistry-Regenerative Biomaterials, Research Institute for Medical Innovation, Radboud University Medical Center, 6525 EX, Nijmegen, the Netherlands
| | - Alexey Klymov
- Department of Dentistry-Regenerative Biomaterials, Research Institute for Medical Innovation, Radboud University Medical Center, 6525 EX, Nijmegen, the Netherlands
| | - Mónica Cicuéndez
- Department of Chemistry in Pharmaceutical Sciences, Faculty of Pharmacy, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos (IdISSC), 28040, Madrid, Spain
| | - Daniela M. da Silva
- Centre for Mechanical Technology and Automation (TEMA), Intelligent Systems Associate Laboratory (LASI), Department of Mechanical Engineering, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Nathalie Barroca
- Centre for Mechanical Technology and Automation (TEMA), Intelligent Systems Associate Laboratory (LASI), Department of Mechanical Engineering, University of Aveiro, 3810-193, Aveiro, Portugal
| | | | - Iratxe Madarieta
- TECNALIA, Basque Research and Technology Alliance (BRTA), E20009, Donostia-San Sebastian, Spain
| | - Laura Casarrubios
- Department of Biochemistry and Molecular Biology, Faculty of Chemistry, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos (IdISSC), 28040, Madrid, Spain
| | - María José Feito
- Department of Biochemistry and Molecular Biology, Faculty of Chemistry, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos (IdISSC), 28040, Madrid, Spain
| | - Rosalía Diez-Orejas
- Department of Microbiology and Parasitology, Faculty of Pharmacy, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos (IdISSC), 28040, Madrid, Spain
| | - Rita Ferreira
- Associated Laboratory for Green Chemistry of the Network of Chemistry and Technology (LAQV-REQUIMTE), Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Sander C.G. Leeuwenburgh
- Department of Dentistry-Regenerative Biomaterials, Research Institute for Medical Innovation, Radboud University Medical Center, 6525 EX, Nijmegen, the Netherlands
| | - María Teresa Portolés
- Department of Biochemistry and Molecular Biology, Faculty of Chemistry, Complutense University of Madrid, Health Research Institute of the Hospital Clínico San Carlos (IdISSC), 28040, Madrid, Spain
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Institute of Health Carlos III (ISCIII), 28040, Madrid, Spain
| | - Paula A.A.P. Marques
- Centre for Mechanical Technology and Automation (TEMA), Intelligent Systems Associate Laboratory (LASI), Department of Mechanical Engineering, University of Aveiro, 3810-193, Aveiro, Portugal
| | - X. Frank Walboomers
- Department of Dentistry-Regenerative Biomaterials, Research Institute for Medical Innovation, Radboud University Medical Center, 6525 EX, Nijmegen, the Netherlands
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25
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Malekahmadi S, Asri N, Forouzesh F, Saneifard H, Rezaei-Tavirani M, Rostami-Nejad M. Evaluation of genetic association between celiac disease and type 1 diabetes. J Diabetes Metab Disord 2024; 23:1329-1336. [PMID: 38932832 PMCID: PMC11196513 DOI: 10.1007/s40200-024-01429-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Accepted: 03/27/2024] [Indexed: 06/28/2024]
Abstract
Purpose Celiac disease (CD) is a chronic autoimmune disorder with a common genetic pathogenesis with type 1 diabetes (T1D). This study aimed to investigate the immune regulation in patients with both CD and T1D. Methods A total of 29 CD patients, 29 T1D patients, and 16 patients with both CD and T1D, along with 30 healthy controls (HCs) were included. The mRNA expression levels of TNF-α, IL-6, IL-2, and CTLA4 were evaluated in peripheral blood samples. Results The results showed that in patients with CD, T1D and CD/T1D, TNF-α mRNA levels were significantly increased (P = 0.0009, 0.0001, and 0.008, respectively), while CTLA4 mRNA levels were significantly decreased in them compared to the control group (P = 0.0009, 0.0001, and 0.004, respectively). IL-2 mRNA expression levels were also significantly higher in CD (P = 0.01) and comorbid CD/T1D (P = 0.01) patients than in the control group. There was no significant difference in terms of IL-6 expression between studied groups (P > 0.05). Conclusions TNF-α mRNA exhibited potential diagnostic value for distinguishing CD, T1D, and comorbid CD/T1D patients from HCs. These findings contribute to our understanding of the shared genetic factors and potential mechanisms underlying CD and T1D, which can aid in improved diagnostic methods and treatment approaches for these conditions.
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Affiliation(s)
- Sayyad Malekahmadi
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran MedicalSciences, Islamic Azad University, Tehran, Iran
| | - Nastaran Asri
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Flora Forouzesh
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran MedicalSciences, Islamic Azad University, Tehran, Iran
| | - Hedyeh Saneifard
- Pediatric Endocrinology and Metabolism Department, Faculty of Medicine, Mofid Children’s Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mostafa Rezaei-Tavirani
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Rostami-Nejad
- Celiac Disease and Gluten Related Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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26
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Yuan C, Duan Y, Li X, Zhang Y, Cao L, Feng T, Ge J, Wang Q, Zheng H. Transcriptional and ultrastructural changes of macrophages after african swine fever virus infection. Vet Microbiol 2024; 293:110074. [PMID: 38603982 DOI: 10.1016/j.vetmic.2024.110074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 03/29/2024] [Accepted: 04/02/2024] [Indexed: 04/13/2024]
Abstract
African swine fever (ASF) is a highly impactful infectious disease in the swine industry, leading to substantial economic losses globally. The causative agent, African swine fever virus (ASFV), possesses intricate pathogenesis, warranting further exploration. In this study, we investigated the impact of ASFV infection on host gene transcription and organelle changes through macrophage transcriptome sequencing and ultrastructural transmission electron microscopy observation. According to the results of the transcriptome sequencing, ASFV infection led to significant alterations in the gene expression pattern of porcine bone marrow derived macrophages (BMDMs), with 2404 genes showing upregulation and 1579 genes downregulation. Cytokines, and chemokines were significant changes in the expression of BMDMs; there was significant activation of pattern recognition receptors such as Toll-like receptors and Nod-like receptors. According to the observation of the ultrastructure, mitochondrial damage and mitochondrial autophagy were widely present in ASFV-infected cells. The reduced number of macrophage pseudopodia suggested that virus-induced structural changes may compromise pathogen recognition, phagocytosis, and signal communication in macrophages. Additionally, the decreased size and inhibited acidification of secondary lysosomes in macrophages implied suppressed phagocytosis. Overall, ASFV infection resulted in significant changes in the expression of cytokines and chemokines, accompanied by the activation of NLR and TLR signaling pathways. We reported for the first time that ASFV infection led to a reduction in pseudopodia numbers and a decrease in the size and acidification of secondary lysosomes.
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Affiliation(s)
- Cong Yuan
- State Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China; Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China; Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu, China; Chengdu National Agricultural Science and Technology Center, Chengdu, China
| | - Yueyue Duan
- State Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China; Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu, China; Chengdu National Agricultural Science and Technology Center, Chengdu, China
| | - Xiangtong Li
- State Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China; Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu, China; Chengdu National Agricultural Science and Technology Center, Chengdu, China
| | - Yu Zhang
- State Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China; Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu, China; Chengdu National Agricultural Science and Technology Center, Chengdu, China
| | - Liyan Cao
- State Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China; Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu, China; Chengdu National Agricultural Science and Technology Center, Chengdu, China
| | - Tao Feng
- State Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Junwei Ge
- Heilongjiang Provincial Key Laboratory of Zoonosis, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.
| | - Qi Wang
- State Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China; Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu, China; Chengdu National Agricultural Science and Technology Center, Chengdu, China.
| | - Haixue Zheng
- State Key Laboratory of Veterinary Etiological Biology, National Foot and Mouth Diseases Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China.
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27
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Mori Y, Terasaki M, Osaka N, Fujikawa T, Yashima H, Saito T, Kataoka Y, Ohara M, Higashimoto Y, Matsui T, Yamagishi SI. DNA Aptamer Raised against Advanced Glycation End Products Improves Sperm Concentration, Motility, and Viability by Suppressing Receptors for Advanced Glycation End Product-Induced Oxidative Stress and Inflammation in the Testes of Diabetic Mice. Int J Mol Sci 2024; 25:5947. [PMID: 38892134 PMCID: PMC11172898 DOI: 10.3390/ijms25115947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 05/21/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a risk factor for male infertility, but the underlying molecular mechanisms remain unclear. Advanced glycation end products (AGEs) are pathogenic molecules for diabetic vascular complications. Here, we investigated the effects of the DNA aptamer raised against AGEs (AGE-Apt) on testicular and sperm abnormalities in a T2DM mouse model. KK-Ay (DM) and wild-type (non-DM) 4- and 7-week-old male mice were sacrificed to collect the testes and spermatozoa for immunofluorescence, RT-PCR, and histological analyses. DM and non-DM 7-week-old mice were subcutaneously infused with the AGE-Apt or control-aptamer for 6 weeks and were then sacrificed. Plasma glucose, testicular AGEs, and Rage gene expression in 4-week-old DM mice and plasma glucose, testicular AGEs, oxidative stress, and pro-inflammatory gene expressions in 7-week-old DM mice were higher than those in age-matched non-DM mice, the latter of which was associated with seminiferous tubular dilation. AGE-Apt did not affect glycemic parameters, but it inhibited seminiferous tubular dilation, reduced the number of testicular macrophages and apoptotic cells, and restored the decrease in sperm concentration, motility, and viability of 13-week-old DM mice. Our findings suggest that AGEs-Apt may improve sperm abnormality by suppressing AGE-RAGE-induced oxidative stress and inflammation in the testes of DM mice.
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Affiliation(s)
- Yusaku Mori
- Department of Medicine, Division of Diabetes, Metabolism, and Endocrinology, Anti-Glycation Research Section, Showa University Graduate School of Medicine, Shinagawa 142-8555, Tokyo, Japan
| | - Michishige Terasaki
- Department of Medicine, Division of Diabetes, Metabolism, and Endocrinology, Showa University Graduate School of Medicine, Shinagawa 142-8555, Tokyo, Japan; (M.T.); (S.-i.Y.)
| | - Naoya Osaka
- Department of Medicine, Division of Diabetes, Metabolism, and Endocrinology, Showa University Graduate School of Medicine, Shinagawa 142-8555, Tokyo, Japan; (M.T.); (S.-i.Y.)
| | - Tomoki Fujikawa
- Department of Medicine, Division of Diabetes, Metabolism, and Endocrinology, Showa University Graduate School of Medicine, Shinagawa 142-8555, Tokyo, Japan; (M.T.); (S.-i.Y.)
| | - Hironori Yashima
- Department of Medicine, Division of Diabetes, Metabolism, and Endocrinology, Showa University Graduate School of Medicine, Shinagawa 142-8555, Tokyo, Japan; (M.T.); (S.-i.Y.)
| | - Tomomi Saito
- Department of Medicine, Division of Diabetes, Metabolism, and Endocrinology, Showa University Graduate School of Medicine, Shinagawa 142-8555, Tokyo, Japan; (M.T.); (S.-i.Y.)
| | - Yurie Kataoka
- Department of Medicine, Division of Diabetes, Metabolism, and Endocrinology, Showa University Graduate School of Medicine, Shinagawa 142-8555, Tokyo, Japan; (M.T.); (S.-i.Y.)
| | - Makoto Ohara
- Department of Medicine, Division of Diabetes, Metabolism, and Endocrinology, Showa University Graduate School of Medicine, Shinagawa 142-8555, Tokyo, Japan; (M.T.); (S.-i.Y.)
| | - Yuichiro Higashimoto
- Department of Chemistry, Kurume University School of Medicine, Kurume 830-0011, Fukuoka, Japan;
| | - Takanori Matsui
- Department of Bioscience and Biotechnology, Fukui Prefectural University, Eiheiji 910-1195, Fukui, Japan
| | - Sho-ichi Yamagishi
- Department of Medicine, Division of Diabetes, Metabolism, and Endocrinology, Showa University Graduate School of Medicine, Shinagawa 142-8555, Tokyo, Japan; (M.T.); (S.-i.Y.)
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Shawl M, Geetha T, Burnett D, Babu JR. Omega-3 Supplementation and Its Effects on Osteoarthritis. Nutrients 2024; 16:1650. [PMID: 38892583 PMCID: PMC11174396 DOI: 10.3390/nu16111650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Revised: 05/16/2024] [Accepted: 05/23/2024] [Indexed: 06/21/2024] Open
Abstract
Osteoarthritis (OA) is a degenerative joint disease characterized by the destruction of the articular cartilage, resulting in a pro-inflammatory response. The progression of OA is multifactorial and is influenced by the underlying cause of inflammation, which includes but is not limited to trauma, metabolism, biology, comorbidities, and biomechanics. Although articular cartilage is the main tissue affected in osteoarthritis, the chronic inflammatory environment negatively influences the surrounding synovium, ligaments, and subchondral bone, further limiting their functional abilities and enhancing symptoms of OA. Treatment for osteoarthritis remains inconsistent due to the inability to determine the underlying mechanism of disease onset, severity of symptoms, and complicating comorbidities. In recent years, diet and nutritional supplements have gained interest regarding slowing the disease process, prevention, and treatment of OA. This is due to their anti-inflammatory properties, which result in a positive influence on pain, joint mobility, and cartilage formation. More specifically, omega-3 polyunsaturated fatty acids (PUFA) have demonstrated an influential role in the progression of OA, resulting in the reduction of cartilage destruction, inhibition of pro-inflammatory cytokine cascades, and production of oxylipins that promote anti-inflammatory pathways. The present review is focused on the assessment of evidence explaining the inflammatory processes of osteoarthritis and the influence of omega-3 supplementation to modulate the progression of osteoarthritis.
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Affiliation(s)
- Megan Shawl
- Department of Nutritional Sciences, Auburn University, Auburn, AL 36849, USA
| | - Thangiah Geetha
- Department of Nutritional Sciences, Auburn University, Auburn, AL 36849, USA
- Boshell Metabolic Diseases and Diabetes Program, Auburn University, Auburn, AL 36849, USA
| | - Donna Burnett
- Department of Nutritional Sciences, Auburn University, Auburn, AL 36849, USA
| | - Jeganathan Ramesh Babu
- Department of Nutritional Sciences, Auburn University, Auburn, AL 36849, USA
- Boshell Metabolic Diseases and Diabetes Program, Auburn University, Auburn, AL 36849, USA
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Samantsidis GR, Kwon H, Wendland M, Fonder C, Smith RC. TNF signaling mediates cellular immune function and promotes malaria parasite killing in the mosquito Anopheles gambiae. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.02.592209. [PMID: 38746363 PMCID: PMC11092648 DOI: 10.1101/2024.05.02.592209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Tumor Necrosis Factor-α (TNF-α) is a proinflammatory cytokine and a master regulator of immune cell function in vertebrates. While previous studies have implicated TNF signaling in invertebrate immunity, the roles of TNF in mosquito innate immunity and vector competence have yet to be explored. Herein, we confirm the identification of a conserved TNF-α pathway in Anopheles gambiae consisting of the TNF-α ligand, Eiger, and its cognate receptors Wengen and Grindelwald. Through gene expression analysis, RNAi, and in vivo injection of recombinant TNF-α, we provide direct evidence for the requirement of TNF signaling in regulating mosquito immune cell function by promoting granulocyte midgut attachment, increased granulocyte abundance, and oenocytoid rupture. Moreover, our data demonstrate that TNF signaling is an integral component of anti-Plasmodium immunity that limits malaria parasite survival. Together, our data support the existence of a highly conserved TNF signaling pathway in mosquitoes that mediates cellular immunity and influences Plasmodium infection outcomes, offering potential new approaches to interfere with malaria transmission by targeting the mosquito host.
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Affiliation(s)
| | - Hyeogsun Kwon
- Department of Plant Pathology, Entomology and Microbiology, Iowa State University, Ames, IA, USA
| | - Megan Wendland
- Department of Plant Pathology, Entomology and Microbiology, Iowa State University, Ames, IA, USA
| | - Catherine Fonder
- Molecular, Cellular and Developmental Biology Interdepartmental Graduate Program, Iowa State University, Ames, IA, USA
| | - Ryan C. Smith
- Department of Plant Pathology, Entomology and Microbiology, Iowa State University, Ames, IA, USA
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Sukocheva OA, Neganova ME, Aleksandrova Y, Burcher JT, Chugunova E, Fan R, Tse E, Sethi G, Bishayee A, Liu J. Signaling controversy and future therapeutical perspectives of targeting sphingolipid network in cancer immune editing and resistance to tumor necrosis factor-α immunotherapy. Cell Commun Signal 2024; 22:251. [PMID: 38698424 PMCID: PMC11064425 DOI: 10.1186/s12964-024-01626-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 04/21/2024] [Indexed: 05/05/2024] Open
Abstract
Anticancer immune surveillance and immunotherapies trigger activation of cytotoxic cytokine signaling, including tumor necrosis factor-α (TNF-α) and TNF-related apoptosis-inducing ligand (TRAIL) pathways. The pro-inflammatory cytokine TNF-α may be secreted by stromal cells, tumor-associated macrophages, and by cancer cells, indicating a prominent role in the tumor microenvironment (TME). However, tumors manage to adapt, escape immune surveillance, and ultimately develop resistance to the cytotoxic effects of TNF-α. The mechanisms by which cancer cells evade host immunity is a central topic of current cancer research. Resistance to TNF-α is mediated by diverse molecular mechanisms, such as mutation or downregulation of TNF/TRAIL receptors, as well as activation of anti-apoptotic enzymes and transcription factors. TNF-α signaling is also mediated by sphingosine kinases (SphK1 and SphK2), which are responsible for synthesis of the growth-stimulating phospholipid, sphingosine-1-phosphate (S1P). Multiple studies have demonstrated the crucial role of S1P and its transmembrane receptors (S1PR) in both the regulation of inflammatory responses and progression of cancer. Considering that the SphK/S1P/S1PR axis mediates cancer resistance, this sphingolipid signaling pathway is of mechanistic significance when considering immunotherapy-resistant malignancies. However, the exact mechanism by which sphingolipids contribute to the evasion of immune surveillance and abrogation of TNF-α-induced apoptosis remains largely unclear. This study reviews mechanisms of TNF-α-resistance in cancer cells, with emphasis on the pro-survival and immunomodulatory effects of sphingolipids. Inhibition of SphK/S1P-linked pro-survival branch may facilitate reactivation of the pro-apoptotic TNF superfamily effects, although the role of SphK/S1P inhibitors in the regulation of the TME and lymphocyte trafficking should be thoroughly assessed in future studies.
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Affiliation(s)
- Olga A Sukocheva
- Department of Hepatology, Royal Adelaide Hospital, Adelaide, SA, 5000, Australia.
| | - Margarita E Neganova
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Chernogolovka, 142432, Russian Federation
- Arbuzov Institute of Organic and Physical Chemistry, Federal Research Center, Kazan Scientific Center, Russian Academy of Sciences, Kazan, 420088, Russian Federation
| | - Yulia Aleksandrova
- Institute of Physiologically Active Compounds at Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Chernogolovka, 142432, Russian Federation
- Arbuzov Institute of Organic and Physical Chemistry, Federal Research Center, Kazan Scientific Center, Russian Academy of Sciences, Kazan, 420088, Russian Federation
| | - Jack T Burcher
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL, 34211, USA
| | - Elena Chugunova
- Arbuzov Institute of Organic and Physical Chemistry, Federal Research Center, Kazan Scientific Center, Russian Academy of Sciences, Kazan, 420088, Russian Federation
| | - Ruitai Fan
- Department of Radiation Oncology, Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Edmund Tse
- Department of Hepatology, Royal Adelaide Hospital, Adelaide, SA, 5000, Australia
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117600, Singapore
| | - Anupam Bishayee
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL, 34211, USA.
| | - Junqi Liu
- Department of Radiation Oncology, Cancer Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
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Lanka S, K VR, Arji A, Raju R, Suvvari TK, Thakwani M, Laxmi Supriya Y, Meenavilli BC, Ravuru SK, Sivaraj N. Association of Tumor Necrosis Factor-Alpha (TNF-α) rs1800629 Polymorphism in Chronic Kidney Disease. Cureus 2024; 16:e60332. [PMID: 38883059 PMCID: PMC11177331 DOI: 10.7759/cureus.60332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/14/2024] [Indexed: 06/18/2024] Open
Abstract
Background Chronic kidney disease (CKD) is characterized by progressive loss of kidney function. Tumor necrosis factor-alpha (TNF-α) is a cytokine implicated in inflammatory processes, including those affecting the kidneys. Although this association is not yet comprehensible, a tie-up between renal disease and markers of inflammation - interleukin-6 (IL-6), preceded by TNF-α - is eminent. However, a pause in research is evident concerning the TNF-α gene with kidney disease in the inhabitants of India. So, this study investigates the association between TNF-α rs1800629 polymorphism and CKD. Methodology A prospective case-control study was conducted in Andhra Pradesh for over three years. A total of 579 patients participated in the study. These were divided into premature, late-stage CKD, and control groups. The amplification refractory mutation system (ARMS)-polymerase chain reaction (PCR) was used, and biochemical investigations and genotyping were carried out for the study participants. Hardy-Weinberg expected frequencies (HWE) with chi-square test was used for detecting allele and genotype frequencies. The association between TNF-α (-308 G/A, rs1800629) and CKD was assessed using odds ratios (ORs) with 95% confidence intervals (CIs). Results We found a higher prevalence of CKD among males (n = 301, 52%) compared to females (n = 278, 48%). Both male and female participants diagnosed with CKD exhibited significantly elevated blood urea and serum creatinine levels compared to the control group, indicating impaired kidney function. Furthermore, these markers were generally higher in the late-stage CKD group compared to the early-stage group, suggesting a progressive decline in kidney function as the disease worsens. The homozygous genotype GG was more prevalent in late-stage CKD patients compared to both early-stage CKD patients and controls. Further, the heterozygous genotype GA was more frequent in the early-stage CKD group compared to the late-stage group. The homozygous genotype AA also showed a higher prevalence in the early-stage CKD group compared to the late-stage group. The G/G genotype and the G allele (rs1800629) were significantly associated with susceptibility to CKD (P<0.005). Conclusions Our study reported the TNF-α rs1800629 polymorphism and CKD risk in a South Indian population. G/G genotype and the G allele (rs1800629) were significantly associated with the risk of CKD. However, further research with larger sample sizes is warranted to confirm these observations and elucidate the underlying mechanisms by which TNF-α might influence CKD risk.
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Affiliation(s)
- Subhashini Lanka
- Biochemistry, Gandhi Institute of Technology and Management (GITAM) (Deemed to Be University), Visakhapatnam, IND
| | - Vijaya Rachel K
- Biochemistry, Gandhi Institute of Technology and Management (GITAM) (Deemed to Be University), Visakhapatnam, IND
| | - Anuradha Arji
- Multidisciplinary Research Unit, Andhra Medical College, Visakhapatnam, IND
| | - Riya Raju
- Internal Medicine, Maharajah's Institute of Medical Sciences, Vizianagaram, IND
| | - Tarun Kumar Suvvari
- General Medicine, Rangaraya Medical College, Kakinada, IND
- Research, Squad Medicine and Research (SMR), Visakhapatnam, IND
| | | | | | | | | | - Nagarjuna Sivaraj
- Research and Development, Great Eastern Medical School and Hospital, Srikakulam, IND
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Kwon Y, Kang YJ, Kwon J, Cho SY, Kim J, Le TT, Hwang H, Deshar B, Kim M, Kim JY, Jung JH, Kim HS, Jung SH, Kwon HC, Kim WK. Forsythia velutina Nakai extract: A promising therapeutic option for atopic dermatitis through multiple cell type modulation. Allergy 2024; 79:1242-1257. [PMID: 38037751 DOI: 10.1111/all.15967] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 11/06/2023] [Accepted: 11/13/2023] [Indexed: 12/02/2023]
Abstract
BACKGROUND Atopic dermatitis (AD) is a complex condition characterized by impaired epithelial barriers and dysregulated immune cells. In this study, we demonstrated Forsythia velutina Nakai extract (FVE) simultaneously inhibits basophils, macrophages, keratinocytes, and T cells that are closely interrelated in AD development. METHODS We analyzed the effect of FVE on nitric oxide and reactive oxygen species (ROS) production in macrophages, basophil degranulation, T cell activation, and tight junctions in damaged keratinocytes. Expression of cell-type-specific inflammatory mediators was analyzed, and the underlying signaling pathways for anti-inflammatory effects of FVE were investigated. The anti-inflammatory effects of FVE were validated using a DNCB-induced mouse model of AD. Anti-inflammatory activity of compounds isolated from FVE was validated in each immune cell type. RESULTS FVE downregulated the expression of inflammatory mediators and ROS production in macrophages through TLR4 and NRF2 pathways modulation. It significantly reduced basophil degranulation and expression of type 2 (T2) and pro-inflammatory cytokines by perturbing FcεRI signaling. Forsythia velutina Nakai extract also robustly inhibited the expression of T2 cytokines in activated T cells. Furthermore, FVE upregulated the expression of tight junction molecules in damaged keratinocytes and downregulated leukocyte attractants, as well as IL-33, an inducer of T2 inflammation. In the AD mouse model, FVE showed superior improvement in inflammatory cell infiltration and skin structure integrity compared to dexamethasone. Dimatairesinol, a lignan dimer, was identified as the most potent anti-inflammatory FVE compound. CONCLUSION Forsythia velutina Nakai extract and its constituent compounds demonstrate promising efficacy as a therapeutic option for prolonged AD treatment by independently inhibiting various cell types associated with AD and disrupting the deleterious link between them.
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Affiliation(s)
- Yujin Kwon
- Natural Product Research Center, Korea Institute of Science and Technology (KIST), Gangneung, Korea
- Division of Bio-Medical Science & Technology, University of Science and Technology (UST), Daejeon, Korea
| | - Yoon Jin Kang
- Natural Product Research Center, Korea Institute of Science and Technology (KIST), Gangneung, Korea
- Department of Marine Life Sciences, College of Life Science, Gangneung-Wonju National University, Gangneung, Korea
| | - Jaeyoung Kwon
- Division of Bio-Medical Science & Technology, University of Science and Technology (UST), Daejeon, Korea
- Natural Product Informatics Research Center, Korea Institute of Science and Technology (KIST), Gangneung, Korea
| | - Su-Yeon Cho
- Natural Product Research Center, Korea Institute of Science and Technology (KIST), Gangneung, Korea
- Division of Bio-Medical Science & Technology, University of Science and Technology (UST), Daejeon, Korea
| | - Jiyoon Kim
- Department of Pharmacology, Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Tam Thi Le
- Natural Product Research Center, Korea Institute of Science and Technology (KIST), Gangneung, Korea
| | - Hoseong Hwang
- Natural Product Informatics Research Center, Korea Institute of Science and Technology (KIST), Gangneung, Korea
- Department of Biology, Gangneung-Wonju National University, Gangneung, Korea
| | - Barsha Deshar
- Department of Pharmacology, Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Myungjun Kim
- Department of Tropical Medicine, Institute of Tropical Medicine, and Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul, Korea
| | - Ju Yeong Kim
- Department of Tropical Medicine, Institute of Tropical Medicine, and Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Hung Jung
- Department of Urology, Yonsei University Wonju College of Medicine/Center of Evidence Based Medicine Institute of Convergence Science, Wonju, Korea
| | - Hyung-Sik Kim
- Department of Oral Biochemistry, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan, Korea
| | - Sang Hoon Jung
- Natural Product Research Center, Korea Institute of Science and Technology (KIST), Gangneung, Korea
- Division of Bio-Medical Science & Technology, University of Science and Technology (UST), Daejeon, Korea
| | - Hak Cheol Kwon
- Natural Product Informatics Research Center, Korea Institute of Science and Technology (KIST), Gangneung, Korea
| | - Won Kyu Kim
- Natural Product Research Center, Korea Institute of Science and Technology (KIST), Gangneung, Korea
- Department of Convergence Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
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Mai YF, Hwang ZC, Lee YT, Lin HY. The Dilemma of Balancing Anti-Tumor Necrosis Factor-Alpha (Anti-TNF-α) Biologics for Psoriatic Arthritis Control With the Risk of Severe Systemic Infection. Cureus 2024; 16:e60476. [PMID: 38883009 PMCID: PMC11180358 DOI: 10.7759/cureus.60476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/16/2024] [Indexed: 06/18/2024] Open
Abstract
The treatment landscape for psoriatic arthritis (PsA) has evolved significantly with the introduction of biologic therapies, such as adalimumab, which effectively inhibits tumor necrosis factor-alpha (TNF-α) activity. However, despite their efficacy in controlling inflammation, biologic therapies are associated with heightened risks of infectious complications and malignancies. We present a case of a 66-year-old female with PsA treated with adalimumab who presented with recurrent systemic bacterial infections. Despite attempts to adjust dosing intervals to minimize infection risks, the patient experienced severe complications, including urosepsis, endocarditis, and liver abscesses. The dilemma arises in balancing PsA control with anti-TNFα therapy while minimizing infection risks. Current evidence supporting prophylactic antibiotics in such cases is limited, and determining the next steps for treatment involves challenging decisions such as withholding TNF inhibitors or switching to alternative immunomodulators. This case underscores the need for further research into prophylactic treatment and monitoring protocols to manage recurrent infections during anti-TNF-α therapy effectively.
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Affiliation(s)
- Yi-Fan Mai
- Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, TWN
| | - Zhen-Cheng Hwang
- Department of Internal Medicine, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, TWN
| | - Yung-Tsai Lee
- Division of Cardiology, Heart Center, Cheng Hsin General Hospital, Taipei, TWN
| | - Hsiao-Yi Lin
- Clinical Research Center and Division of Allergy, Immunology and Rheumatology, Department of Medicine, Cheng Hsin General Hospital, Taipei, TWN
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Khan Z, Mehan S, Gupta GD, Narula AS. Immune System Dysregulation in the Progression of Multiple Sclerosis: Molecular Insights and Therapeutic Implications. Neuroscience 2024; 548:9-26. [PMID: 38692349 DOI: 10.1016/j.neuroscience.2024.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 03/28/2024] [Accepted: 04/09/2024] [Indexed: 05/03/2024]
Abstract
Multiple sclerosis (MS), a prevalent neurological disorder, predominantly affects young adults and is characterized by chronic autoimmune activity. The study explores the immune system dysregulation in MS, highlighting the crucial roles of immune and non-neuronal cells in the disease's progression. This review examines the dual role of cytokines, with some like IL-6, TNF-α, and interferon-gamma (IFN-γ) promoting inflammation and CNS tissue injury, and others such as IL-4, IL-10, IL-37, and TGF-β fostering remyelination and protecting against MS. Elevated chemokine levels in the cerebrospinal fluid (CSF), including CCL2, CCL5, CXCL10, CXCL13, and fractalkine, are analyzed for their role in facilitating immune cell migration across the blood-brain barrier (BBB), worsening inflammation and neurodegeneration. The study also delves into the impact of auto-antibodies targeting myelin components like MOG and AQP4, which activate complement cascades leading to further myelin destruction. The article discusses how compromised BBB integrity allows immune cells and inflammatory mediators to infiltrate the CNS, intensifying MS symptoms. It also examines the involvement of astrocytes, microglia, and oligodendrocytes in the disease's progression. Additionally, the effectiveness of immunomodulatory drugs such as IFN-β and CD20-targeting monoclonal antibodies (e.g., rituximab) in modulating immune responses is reviewed, highlighting their potential to reduce relapse rates and delaying MS progression. These insights emphasize the importance of immune system dysfunction in MS development and progression, guiding the development of new therapeutic strategies. The study underscores recent advancements in understanding MS's molecular pathways, opening avenues for more targeted and effective treatments.
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Affiliation(s)
- Zuber Khan
- Division of Neuroscience, Department of Pharmacology, ISF College of Pharmacy (Affiliated to IK Gujral Punjab Technical University, Jalandhar, Punjab 144603, India), Moga 142001, Punjab, India
| | - Sidharth Mehan
- Division of Neuroscience, Department of Pharmacology, ISF College of Pharmacy (Affiliated to IK Gujral Punjab Technical University, Jalandhar, Punjab 144603, India), Moga 142001, Punjab, India.
| | - Ghanshyam Das Gupta
- Department of Pharmaceutics, ISF College of Pharmacy (Affiliated to IK Gujral Punjab Technical University, Jalandhar, Punjab 144603, India), Moga, Punjab, India
| | - Acharan S Narula
- Narula Research, LLC, 107 Boulder Bluff, Chapel Hill, NC 27516, USA
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Kalogriopoulos NA, Tei R, Yan Y, Ravalin M, Li Y, Ting A. Synthetic G protein-coupled receptors for programmable sensing and control of cell behavior. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.15.589622. [PMID: 38659921 PMCID: PMC11042292 DOI: 10.1101/2024.04.15.589622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Synthetic receptors that mediate antigen-dependent cell responses are transforming therapeutics, drug discovery, and basic research. However, established technologies such as chimeric antigen receptors (CARs) can only detect immobilized antigens, have limited output scope, and lack built-in drug control. Here, we engineer synthetic G protein-coupled receptors (GPCRs) capable of driving a wide range of native or nonnative cellular processes in response to user-defined antigen. We achieve modular antigen gating by engineering and fusing a conditional auto-inhibitory domain onto GPCR scaffolds. Antigen binding to a fused nanobody relieves auto-inhibition and enables receptor activation by drug, thus generating Programmable Antigen-gated G protein-coupled Engineered Receptors (PAGERs). We create PAGERs responsive to more than a dozen biologically and therapeutically important soluble and cell surface antigens, in a single step, from corresponding nanobody binders. Different PAGER scaffolds permit antigen binding to drive transgene expression, real-time fluorescence, or endogenous G protein activation, enabling control of cytosolic Ca 2+ , lipid signaling, cAMP, and neuronal activity. Due to its modular design and generalizability, we expect PAGER to have broad utility in discovery and translational science.
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Ringleb M, Javelle F, Haunhorst S, Bloch W, Fennen L, Baumgart S, Drube S, Reuken PA, Pletz MW, Wagner H, Gabriel HHW, Puta C. Beyond muscles: Investigating immunoregulatory myokines in acute resistance exercise - A systematic review and meta-analysis. FASEB J 2024; 38:e23596. [PMID: 38597350 DOI: 10.1096/fj.202301619r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 02/09/2024] [Accepted: 03/25/2024] [Indexed: 04/11/2024]
Abstract
Myokines, released from the muscle, enable communication between the working muscles and other tissues. Their release during physical exercise is assumed to depend on immune-hormonal-metabolic interactions concerning mode (endurance or resistance exercise), duration, and intensity. This meta-analysis aims to examine the acute changes of circulating myokines inducing immunoregulatory effects caused by a bout of resistance exercise and to consider potential moderators of the results. Based on this selection strategy, a systematic literature search was conducted for resistance exercise intervention studies measuring interleukin (IL-) 6, IL-10, IL-1ra, tumor necrosis factor (TNF-) α, IL-15, IL-7, transforming growth factor (TGF-) β1, and fractalkines (FKN) before and immediately after resistance exercise in healthy individuals. Random-effects meta-analysis was performed for each myokine. We identified a moderate positive effect of resistance exercise for IL-6 and IL-1ra. Regarding IL-15 and TNF-α, small to moderate effects were found. For IL-10, no significant effect was observed. Due to no data, meta-analyses for IL-7, TGF-β1, and FKN could not be performed. No moderators (training status, type of exercise, risk of bias, age, sex, time of day, exercise volume, exercise intensity, exercise dose) of the results were detected for all tested myokines. Taken together, this systematic review and meta-analysis showed immediate positive effects of an acute resistance exercise session on IL-6, IL-1ra, TNF-α, and IL-15 levels.
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Affiliation(s)
- Miriam Ringleb
- Department of Movement Science, University of Münster, Münster, Germany
- Department of Sports Medicine and Health Promotion, Friedrich-Schiller-University Jena, Jena, Germany
- Department for Molecular and Cellular Sports Medicine, Institute of Cardiovascular Research and Sports Medicine, German Sport University Cologne, Cologne, Germany
- Center for Interdisciplinary Prevention of Diseases related to Professional Activities, Friedrich-Schiller-University Jena, Jena, Germany
| | - Florian Javelle
- Department for Molecular and Cellular Sports Medicine, Institute of Cardiovascular Research and Sports Medicine, German Sport University Cologne, Cologne, Germany
| | - Simon Haunhorst
- Department of Sports Medicine and Health Promotion, Friedrich-Schiller-University Jena, Jena, Germany
- Center for Interdisciplinary Prevention of Diseases related to Professional Activities, Friedrich-Schiller-University Jena, Jena, Germany
| | - Wilhelm Bloch
- Department for Molecular and Cellular Sports Medicine, Institute of Cardiovascular Research and Sports Medicine, German Sport University Cologne, Cologne, Germany
| | - Lena Fennen
- Department of Movement Science, University of Münster, Münster, Germany
| | - Sabine Baumgart
- Institute for Immunology, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Sebastian Drube
- Institute for Immunology, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
| | - Philipp A Reuken
- Clinic for Internal Medicine IV (Gastroenterology, Hepatology and Infectious Diseases), Jena University Hospital, Jena, Germany
| | - Mathias W Pletz
- Institute for Immunology, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
- Center for Sepsis Control and Care (CSCC), Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
- Institute for Infectious Diseases and Infection Control, Jena University Hospital, Jena, Germany
| | - Heiko Wagner
- Department of Movement Science, University of Münster, Münster, Germany
| | - Holger H W Gabriel
- Department of Sports Medicine and Health Promotion, Friedrich-Schiller-University Jena, Jena, Germany
| | - Christian Puta
- Department of Sports Medicine and Health Promotion, Friedrich-Schiller-University Jena, Jena, Germany
- Center for Interdisciplinary Prevention of Diseases related to Professional Activities, Friedrich-Schiller-University Jena, Jena, Germany
- Center for Sepsis Control and Care (CSCC), Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany
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Mann V, Sundaresan A, Shishodia S. Overnutrition and Lipotoxicity: Impaired Efferocytosis and Chronic Inflammation as Precursors to Multifaceted Disease Pathogenesis. BIOLOGY 2024; 13:241. [PMID: 38666853 PMCID: PMC11048223 DOI: 10.3390/biology13040241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 03/25/2024] [Accepted: 04/04/2024] [Indexed: 04/28/2024]
Abstract
Overnutrition, driven by the consumption of high-fat, high-sugar diets, has reached epidemic proportions and poses a significant global health challenge. Prolonged overnutrition leads to the deposition of excessive lipids in adipose and non-adipose tissues, a condition known as lipotoxicity. The intricate interplay between overnutrition-induced lipotoxicity and the immune system plays a pivotal role in the pathogenesis of various diseases. This review aims to elucidate the consequences of impaired efferocytosis, caused by lipotoxicity-poisoned macrophages, leading to chronic inflammation and the subsequent development of severe infectious diseases, autoimmunity, and cancer, as well as chronic pulmonary and cardiovascular diseases. Chronic overnutrition promotes adipose tissue expansion which induces cellular stress and inflammatory responses, contributing to insulin resistance, dyslipidemia, and metabolic syndrome. Moreover, sustained exposure to lipotoxicity impairs the efferocytic capacity of macrophages, compromising their ability to efficiently engulf and remove dead cells. The unresolved chronic inflammation perpetuates a pro-inflammatory microenvironment, exacerbating tissue damage and promoting the development of various diseases. The interaction between overnutrition, lipotoxicity, and impaired efferocytosis highlights a critical pathway through which chronic inflammation emerges, facilitating the development of severe infectious diseases, autoimmunity, cancer, and chronic pulmonary and cardiovascular diseases. Understanding these intricate connections sheds light on potential therapeutic avenues to mitigate the detrimental effects of overnutrition and lipotoxicity on immune function and tissue homeostasis, thereby paving the way for novel interventions aimed at reducing the burden of these multifaceted diseases on global health.
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Affiliation(s)
| | | | - Shishir Shishodia
- Department of Biology, Texas Southern University, Houston, TX 77004, USA; (V.M.); (A.S.)
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Wang L, He M, Wang W, Li S, Zhao G. Efficacy and safety of infliximab in the treatment of Kawasaki disease: A systematic review and meta-analysis. Eur J Pediatr 2024; 183:1765-1776. [PMID: 38240765 DOI: 10.1007/s00431-024-05437-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/31/2023] [Accepted: 01/13/2024] [Indexed: 04/09/2024]
Abstract
Infliximab is a monoclonal antibody specifically binding tumor necrosis factor-alpha and has been approved for the treatment of several inflammatory disorders. However, the efficacy of infliximab in primary treatment of Kawasaki disease (KD) or retreatment of intravenous immunoglobulin (IVIG)-resistant KD in children is controversial. Therefore, we conducted a meta-analysis to compare the efficacy of infliximab alone or in combination with IVIG to IVIG. Eligible randomized and non-randomized trials were retrieved by searching literature databases prior to May 31, 2023. Pooled odds ratio (OR) and 95% confidence interval (95% CI) were calculated for dichotomous variables, and mean difference (MD) with 95% CI was estimated for continuous variables. A total of 14 eligible studies comprising 1257 participants were included. In refractory KD, infliximab alone was associated with a higher effectiveness rate (OR = 4.48, 95% CI 2.67-7.52) and defervescence rate (OR = 5.01, 95% CI 2.99-8.37) and resulted in a 1.08-day-shorter duration of fever (95% CI 0.61-1.55, P < 0.001) and 1.36-day-shorter length of hospital stay (95% CI 0.65-2.08) compared with IVIG. Incidences of coronary artery lesions (CALs), newly developing CALs, and CAL regression did not differ between both groups. For initial treatment of KD, infliximab in addition to IVIG led to a nominally significant higher effectiveness rate (OR = 2.26, 95% CI 1.02-5.01) and a larger reduction of right coronary artery Z score (MD = -0.24, 95% CI -0.27 to -0.21) but did not show additional efficacy in improving other outcomes. The safety profile was similar between both groups. Conclusion: The meta-analysis demonstrates that infliximab alone is a well-tolerated and effective treatment for IVIG-resistant KD. The additional efficacy of infliximab to IVIG for initial treatment of KD is limited. More large and high-quality trials are needed to confirm the efficacy of infliximab, especially for intensification of primary treatment for KD. What is Known: • Infliximab is a novel monoclonal antibody specifically blocking tumor necrosis factor-alpha and is approved for treatment of several immune-mediated inflammatory disorders. • The efficacy of infliximab in treating children with Kawasaki disease is controversial. What is New: • Infliximab is an effective and safe treatment for children with refractory Kawasaki disease but adds limited efficacy to intravenous immunoglobulin for initial treatment of Kawasaki disease.
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Affiliation(s)
- Lihe Wang
- Department of Pediatrics, Yuncheng Central Hospital, Shanxi Medical University, No. 3690, Hedong East Street, Yanhu District, Yuncheng City, Shanxi Province, 044000, China.
| | - Milan He
- Department of Pediatrics, Yuncheng Central Hospital, Shanxi Medical University, No. 3690, Hedong East Street, Yanhu District, Yuncheng City, Shanxi Province, 044000, China
| | - Wei Wang
- Department of Pediatrics, Yuncheng Central Hospital, Shanxi Medical University, No. 3690, Hedong East Street, Yanhu District, Yuncheng City, Shanxi Province, 044000, China
| | - Shiya Li
- Department of Pediatrics, Yuncheng Central Hospital, Shanxi Medical University, No. 3690, Hedong East Street, Yanhu District, Yuncheng City, Shanxi Province, 044000, China
| | - Guoxiao Zhao
- Department of Pediatrics, Yuncheng Central Hospital, Shanxi Medical University, No. 3690, Hedong East Street, Yanhu District, Yuncheng City, Shanxi Province, 044000, China
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Heimfarth L, Dos Santos KS, Monteiro BS, de Souza Oliveira AK, Coutinho HDM, Menezes IRA, Dos Santos MRV, de Souza Araújo AA, Picot L, de Oliveira Júnior RG, Grougnet R, de Souza Siqueira Quintans J, Quintans-Júnior LJ. The protective effects of naringenin, a citrus flavonoid, non-complexed or complexed with hydroxypropyl-β-cyclodextrin against multiorgan damage caused by neonatal endotoxemia. Int J Biol Macromol 2024; 264:130500. [PMID: 38428770 DOI: 10.1016/j.ijbiomac.2024.130500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 02/16/2024] [Accepted: 02/17/2024] [Indexed: 03/03/2024]
Abstract
BACKGROUND Endotoxemia is a severe and dangerous clinical syndrome that results in elevated morbidity, especially in intensive care units. Neonates are particularly susceptible to endotoxemia due to their immature immune systems. There are few effective treatments for neonatal endotoxemia. One group of compounds with potential in the treatment of neonatal inflammatory diseases such as endotoxemia is the flavonoids, mainly due to their antioxidant and anti-inflammatory properties. Among these, naringenin (NGN) is a citrus flavonoid which has already been reported to have anti-inflammatory, antioxidant, anti-nociceptive and anti-cancer effects. Unfortunately, its clinical application is limited by its low solubility and bioavailability. However, cyclodextrins (CDs) have been widely used to improve the solubility of nonpolar drugs and enhance the bioavailability of these natural products. OBJECTIVE We, therefore, aimed to investigate the effects of NGN non-complexed and complexed with hydroxypropyl-β-cyclodextrin (HPβCD) on neonatal endotoxemia injuries in a rodent model and describe the probable molecular mechanisms involved in NGN activities. METHOD We used exposure to a bacterial lipopolysaccharide (LPS) to induce neonatal endotoxemia in the mice. RESULTS It was found that NGN (100 mg/kg i.p.) exposure during the neonatal period reduced leukocyte migration and decreased pro-inflammatory cytokine (TNF-α, IL-1β and IL-6) levels in the lungs, heart, kidneys or cerebral cortex. In addition, NGN upregulated IL-10 production in the lungs and kidneys of neonate mice. The administration of NGN also enhanced antioxidant enzyme catalase and SOD activity, reduced lipid peroxidation and protein carbonylation and increased the reduced sulfhydryl groups in an organ-dependent manner, attenuating the oxidative damage caused by LPS exposure. NGN decreased ERK1/2, p38MAPK and COX-2 activation in the lungs of neonate mice. Moreover, NGN complexed with HPβCD was able to increase the animal survival rate. CONCLUSION NGN attenuated inflammatory and oxidative damage in the lungs, heart and kidneys caused by neonatal endotoxemia through the MAPK signaling pathways regulation. Our results show that NGN has beneficial effects against neonatal endotoxemia and could be useful in the treatment of neonatal inflammatory injuries.
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Affiliation(s)
- Luana Heimfarth
- Laboratory of Neuroscience and Pharmacological Assay (LANEF), Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe CEP: 49100-000, Brazil
| | - Katielen Silvana Dos Santos
- Laboratory of Neuroscience and Pharmacological Assay (LANEF), Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe CEP: 49100-000, Brazil
| | - Brenda Souza Monteiro
- Laboratory of Neuroscience and Pharmacological Assay (LANEF), Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe CEP: 49100-000, Brazil
| | - Anne Karoline de Souza Oliveira
- Laboratory of Neuroscience and Pharmacological Assay (LANEF), Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe CEP: 49100-000, Brazil
| | | | - Irwin R A Menezes
- Universidade Regional do Cariri - URCA, Departmento de Química Biológica, Crato, CE, Brazil
| | | | | | - Laurent Picot
- UMR CNRS 7266 LIENSs, La Rochelle Université, 17042 La Rochelle, France
| | - Raimundo Gonçalves de Oliveira Júnior
- Laboratoire de Pharmacognosie-UMR CNRS 8638, Faculté de Pharmacie, Université Paris Cité, Paris, France; CiTCoM UMR 8038 CNRS, Faculté Pharmacie, Université Paris Cité, 75006, Paris, France
| | - Raphaël Grougnet
- Laboratoire de Pharmacognosie-UMR CNRS 8638, Faculté de Pharmacie, Université Paris Cité, Paris, France
| | - Jullyana de Souza Siqueira Quintans
- Laboratory of Neuroscience and Pharmacological Assay (LANEF), Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe CEP: 49100-000, Brazil; Graduate Program of Health Sciences, Federal University of Sergipe, Aracaju, Sergipe CEP 49060-025, Brazil
| | - Lucindo José Quintans-Júnior
- Laboratory of Neuroscience and Pharmacological Assay (LANEF), Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe CEP: 49100-000, Brazil; Graduate Program of Health Sciences, Federal University of Sergipe, Aracaju, Sergipe CEP 49060-025, Brazil
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Fagbohun OF, Thilakarathna WPDW, Zhou J, Lehmann C, Jiao G, Rupasinghe HPV. Sea Cucumber and Blueberry Extracts Suppress Inflammation and Reduce Acute Lung Injury through the Regulation of NF-κB/MAPK/JNK Signaling Pathway in Lipopolysaccharide-Treated C57BL/6 Mice. Molecules 2024; 29:1511. [PMID: 38611791 PMCID: PMC11013731 DOI: 10.3390/molecules29071511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 03/23/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024] Open
Abstract
Acute lung injury (ALI) represents a life-threatening condition with high morbidity and mortality despite modern mechanical ventilators and multiple pharmacological strategies. Therefore, there is a need to develop efficacious interventions with minimal side effects. The anti-inflammatory activities of sea cucumber (Cucumaria frondosa) and wild blueberry (Vaccinium angustifolium) extracts have been reported recently. However, their anti-inflammatory activities and the mechanism of action against ALI are not fully elucidated. Thus, the present study aims to understand the mechanism of the anti-inflammatory activity of sea cucumber and wild blueberry extracts in the context of ALI. Experimental ALI was induced via intranasal lipopolysaccharide (LPS) instillation in C57BL/6 mice and the anti-inflammatory properties were determined by cytokine analysis, histological examination, western blot, and qRT-PCR. The results showed that oral supplementation of sea cucumber extracts repressed nuclear factor kappa B (NF-κB) and mitogen-activated protein kinase (MAPK) signaling pathways, thereby downregulating the expression of interleukin (IL)-1β, IL-6, and tumor necrosis factor (TNF) in the lung tissue and in the plasma. Wild blueberry extracts also suppressed the expression of IL-4. Furthermore, the combination of sea cucumber and wild blueberry extracts restrained MAPK signaling pathways by prominent attenuation of phosphorylation of NF-κB, c-Jun N-terminal kinase (JNK), and extracellular signal-regulated kinase (ERK) while the levels of pro-inflammatory cytokines were significantly suppressed. Moreover, there was a significant and synergistic reduction in varying degrees of ALI lesions such as distorted parenchyma, increased alveoli thickness, lymphocyte and neutrophil infiltrations, fibrin deposition, pulmonary emphysema, pneumonia, intra-alveolar hemorrhage, and edema. The anti-inflammatory effect of the combination of sea cucumber and wild blueberry extracts is associated with suppressing MAPK and NF-κB signaling pathways, thereby significantly reducing cytokine storm in LPS-induced experimental ALI.
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Affiliation(s)
- Oladapo F. Fagbohun
- Department Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada; (O.F.F.); (W.P.D.W.T.)
- Department of Biology, Center for Agriculture and Sciences, Wilmington College, 1870 Quaker Way, Wilmington, OH 45177, USA
| | - Wasitha P. D. W. Thilakarathna
- Department Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada; (O.F.F.); (W.P.D.W.T.)
| | - Juan Zhou
- Departments of Anaesthesia, Pain Management and Perioperative Medicine, Physiology and Biophysics, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (J.Z.); (C.L.)
| | - Christian Lehmann
- Departments of Anaesthesia, Pain Management and Perioperative Medicine, Physiology and Biophysics, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (J.Z.); (C.L.)
| | - Guangling Jiao
- Department of Process Engineering and Applied Science, Faculty of Engineering, Dalhousie University, Halifax, NS B3H 4R2, Canada;
| | - H. P. Vasantha Rupasinghe
- Department Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada; (O.F.F.); (W.P.D.W.T.)
- Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
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Al-Najjar MAA, Abdulrazzaq SB, Alzaghari LF, Mahmod AI, Omar A, Hasen E, Athamneh T, Talib WH, Chellappan DK, Barakat M. Evaluation of immunomodulatory potential of probiotic conditioned medium on murine macrophages. Sci Rep 2024; 14:7126. [PMID: 38531887 DOI: 10.1038/s41598-024-56622-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 03/08/2024] [Indexed: 03/28/2024] Open
Abstract
Probiotics are a mixture of beneficial live bacteria and/or yeasts that naturally exist in our bodies. Recently, numerous studies have focused on the immunostimulatory effects of single-species or killed multi-species probiotic conditioned mediums on macrophages. This study investigates the immunostimulatory effect of commercially available active, multi-species probiotic conditioned medium (CM) on RAW264.7 murine macrophages. The probiotic CM was prepared by culturing the commercially available probiotic in a cell-culture medium overnight at 37 °C, followed by centrifugation and filter-sterilization to be tested on macrophages. The immunostimulatory effect of different dilution percentages (50%, 75%, 100%) of CM was examined using the MTT assay, proinflammatory cytokine (tumor necrosis factor TNF-alpha) production in macrophages, migration, and phagocytosis assays. For all the examined CM ratios, the percentages of cell viability were > 80%. Regarding the migration scratch, TNF-alpha and phagocytosis assays, CM demonstrated a concentration-dependent immunostimulatory effect. However, the undiluted CM (100%) showed a significant (p-value < 0.05) stimulatory effect compared to the positive and negative controls. The findings suggest that the secretions and products of probiotics, as measured in the CM, may be closely associated with their immune-boosting effects. Understanding this relationship between probiotic secretions and immune function is crucial for further exploring the potential benefits of probiotics in enhancing overall health and well-being.
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Affiliation(s)
| | | | | | | | - Amin Omar
- Faculty of Pharmacy, Applied Science Private University, 11937, Amman, Jordan
| | - Eliza Hasen
- MEA Research Center, Middle East University, Amman, Jordan
| | - Tamara Athamneh
- Institute of Nanotechnology, Jordan University of Science and Technology, Irbid, Jordan
| | - Wamidh H Talib
- Faculty of Allied Medical Sciences, Applied Science Private University, 11937, Amman, Jordan
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, 57000, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Muna Barakat
- Faculty of Pharmacy, Applied Science Private University, 11937, Amman, Jordan.
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Saladino GM, Brodin B, Kakadiya R, Toprak MS, Hertz HM. Iterative nanoparticle bioengineering enabled by x-ray fluorescence imaging. SCIENCE ADVANCES 2024; 10:eadl2267. [PMID: 38517973 DOI: 10.1126/sciadv.adl2267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 02/16/2024] [Indexed: 03/24/2024]
Abstract
Nanoparticles (NPs) are currently developed for drug delivery and molecular imaging. However, they often get intercepted before reaching their target, leading to low targeting efficacy and signal-to-noise ratio. They tend to accumulate in organs like lungs, liver, kidneys, and spleen. The remedy is to iteratively engineer NP surface properties and administration strategies, presently a time-consuming process that includes organ dissection at different time points. To improve this, we propose a rapid iterative approach using whole-animal x-ray fluorescence (XRF) imaging to systematically evaluate NP distribution in vivo. We applied this method to molybdenum-based NPs and clodronate liposomes for tumor targeting with transient macrophage depletion, leading to reduced accumulations in lungs and liver and eventual tumor detection. XRF computed tomography (XFCT) provided 3D insight into NP distribution within the tumor. We validated the results using a multiscale imaging approach with dye-doped NPs and gene expression analysis for nanotoxicological profiling. XRF imaging holds potential for advancing therapeutics and diagnostics in preclinical pharmacokinetic studies.
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Affiliation(s)
- Giovanni M Saladino
- Department of Applied Physics, Biomedical and X-Ray Physics, KTH Royal Institute of Technology, SE 10691, Stockholm, Sweden
| | - Bertha Brodin
- Department of Applied Physics, Biomedical and X-Ray Physics, KTH Royal Institute of Technology, SE 10691, Stockholm, Sweden
| | - Ronak Kakadiya
- Department of Applied Physics, Biomedical and X-Ray Physics, KTH Royal Institute of Technology, SE 10691, Stockholm, Sweden
| | - Muhammet S Toprak
- Department of Applied Physics, Biomedical and X-Ray Physics, KTH Royal Institute of Technology, SE 10691, Stockholm, Sweden
| | - Hans M Hertz
- Department of Applied Physics, Biomedical and X-Ray Physics, KTH Royal Institute of Technology, SE 10691, Stockholm, Sweden
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Asejeje FO, Abiola MA, Adeyemo OA, Ogunro OB, Ajayi AM. Exogenous monosodium glutamate exacerbates lipopolysaccharide-induced neurobehavioral deficits, oxidative damage, neuroinflammation, and cholinergic dysfunction in rat brain. Neurosci Lett 2024; 825:137710. [PMID: 38432355 DOI: 10.1016/j.neulet.2024.137710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/17/2024] [Accepted: 02/28/2024] [Indexed: 03/05/2024]
Abstract
Extensive experimental evidence points to neuroinflammation and oxidative stress as major pathogenic events that initiate and drive the neurodegenerative process. Monosodium glutamate (MSG) is a widely used food additive in processed foods known for its umami taste-enhancing properties. However, concerns about its potential adverse effects on the brain have been raised. Thus, the present study investigated the impact of MSG on lipopolysaccharide (LPS)-induced neurotoxicity in rat brains. Wistar rats weighing between 180 g and 200 g were randomly allocated into four groups: control (received distilled water), MSG (received 1.5 g/kg/day), LPS (received 250 µg/kg/day), and LPS + MSG (received LPS, 250 µg/kg, and MSG, 1.5 g/kg). LPS was administered intraperitoneally for 7 days while MSG was administered orally for 14 days. Our results showed that MSG exacerbated LPS-induced impairment in locomotor and exploratory activities in rats. Similarly, MSG exacerbated LPS-induced oxidative stress as evidenced by increased levels of malondialdehyde (MDA) with a concomitant decrease in levels of superoxide dismutase (SOD), catalase (CAT), glutathione (GSH), and glutathione-s-transferase (GST) in the brain tissue. In addition, MSG potentiated LPS-induced neuroinflammation, as indicated by increased levels of pro-inflammatory cytokines such as interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α) as well as myeloperoxidase (MPO) and nitric oxide (NO) in the brain. Moreover, MSG aggravated LPS-induced cholinergic dysfunction, as demonstrated by increased activity of acetylcholinesterase (AChE) in the brain. Further, we found a large number of degenerative neurons widespread in hippocampal CA1, CA3 regions, cerebellum, and cortex according to H&E staining. Taken together, our findings suggest that MSG aggravates LPS-induced neurobehavioral deficits, oxidative stress, neuroinflammation, cholinergic dysfunction, and neurodegeneration in rat brains.
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Affiliation(s)
- Folake Olubukola Asejeje
- Department of Chemical Sciences, Faculty of Natural Sciences, Ajayi Crowther University, Oyo, Nigeria.
| | - Michael Abayomi Abiola
- Department of Chemical Sciences, Faculty of Natural Sciences, Ajayi Crowther University, Oyo, Nigeria; Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Oluwatobi Adewumi Adeyemo
- Department of Chemical Sciences, Faculty of Natural Sciences, Ajayi Crowther University, Oyo, Nigeria
| | | | - Abayomi Mayowa Ajayi
- Department of Pharmacology and Therapeutics, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeria
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Su S, Hu W, Chen X, Ren Y, Lu Y, Shi J, Zhang T, Zhang H, Wang M, Wang Y, Zhao F, Jin R, Liu Y, Zhang H, Liu G. Cardiac injury progression in children with multisystem inflammatory syndrome associated with SARS-CoV-2 infection: a review. Front Pediatr 2024; 12:1348016. [PMID: 38510081 PMCID: PMC10950994 DOI: 10.3389/fped.2024.1348016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 02/22/2024] [Indexed: 03/22/2024] Open
Abstract
The symptoms and signs of infection caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are milder in children than in adults. However, in April 2020, British pediatricians first reported that coronavirus disease 2019 (COVID-19) may present as multisystem inflammatory syndrome in children and adolescents (MIS-C), similar to that observed in Kawasaki disease. MIS-C can be associated with multiple systemic injuries and even death in children. In addition to digestive system involvement, cardiac injury is prominent. This article reviews the pathogenesis, clinical manifestations, and treatment of cardiac injury caused by MIS-C, which may help clinicians in early diagnosis and timely commencement of treatment.
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Affiliation(s)
- Song Su
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Wandong Hu
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Xiao Chen
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Ying Ren
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Yi Lu
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Jianguo Shi
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Tong Zhang
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Huan Zhang
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Meng Wang
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Yaping Wang
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Fen Zhao
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Ruifeng Jin
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Yong Liu
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Hongwei Zhang
- Epilepsy Center, Children’s Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Epilepsy Center, Jinan Children's Hospital, Jinan, Shandong, China
| | - Guohua Liu
- Department of Ophthalmology, Children's Hospital Affiliated to Shandong University, Jinan, Shandong, China
- Department of Ophthalmology, Jinan Children's Hospital, Jinan, Shandong, China
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Loh KP, Wang Y, Sanapala C, Gilmore N, Netherby-Winslow C, Mendler JH, Liesveld J, Huselton E, Williams AM, Klepin HD, Jensen-Battaglia M, Mustian K, Vertino P, Susiarjo M, Janelsins MC. Exercise and inflammatory cytokine regulation among older adults with myeloid malignancies. Exp Gerontol 2024; 187:112364. [PMID: 38266886 PMCID: PMC10923152 DOI: 10.1016/j.exger.2024.112364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 01/10/2024] [Accepted: 01/15/2024] [Indexed: 01/26/2024]
Abstract
Tumor necrosis factor (TNF)α is a major regulator of inflammation. However, the epigenetic regulation of TNFα in the context of an exercise intervention among older adults with cancer is understudied. In this exploratory analysis, we used data from a single-arm mobile health (mHealth) exercise intervention among older adults with myeloid malignancies to 1) assess changes in TNFα promoter methylation, TNFα mRNA expression, serum TNFα and other related-cytokine levels after intervention; and 2) assess correlations between blood markers and exercise levels. Twenty patients were included. From baseline to post-intervention, there was no statistical changes in TNFα promoter methylation status at seven CpG sites, TNFα mRNA expression, and serum TNFα levels. Effect sizes, however, were moderate to large for several CpG sites (-120, -147, -162, and -164; Cohen's d = 0.44-0.75). Median serum TNFα sR1 levels increased (83.63, IQR 130.58, p = 0.06; Cohen's d = 0.18) but not the other cytokines. Increases in average daily steps were correlated with increases in TNFα promoter methylation at CpG sites -147 (r = 0.48; p = 0.06) and -164 (r = 0.51; p = 0.04). Resistance training minutes were negatively correlated with TNFα promoter methylation at CpG site -120 (r = -0.62; p = 0.02). All effect sizes were moderate to large. In conclusion, after a mHealth exercise intervention, we demonstrated changes with moderate to large effect sizes in several CpG sites in the TNFα promoter region. Exercise levels were correlated with increases in TNFα promoter methylation. Larger exercise trials are needed to better evaluate TNFα regulation to inform interventions to augment TNFα regulation in order to improve outcomes in older adults with cancer.
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Affiliation(s)
- Kah Poh Loh
- James P. Wilmot Cancer Institute, Rochester, NY, USA; Division of Hematology/Oncology, Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA.
| | - Ying Wang
- Department of Public Health Sciences, University of Rochester Medical Center, Rochester, NY, USA.
| | | | - Nikesha Gilmore
- Division of Supportive Care in Cancer, Department of Surgery, University of Rochester Medical Center, Rochester, NY, USA.
| | - Colleen Netherby-Winslow
- Division of Supportive Care in Cancer, Department of Surgery, University of Rochester Medical Center, Rochester, NY, USA.
| | - Jason H Mendler
- James P. Wilmot Cancer Institute, Rochester, NY, USA; Division of Hematology/Oncology, Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA.
| | - Jane Liesveld
- James P. Wilmot Cancer Institute, Rochester, NY, USA; Division of Hematology/Oncology, Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA.
| | - Eric Huselton
- James P. Wilmot Cancer Institute, Rochester, NY, USA; Division of Hematology/Oncology, Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA.
| | - AnnaLynn M Williams
- James P. Wilmot Cancer Institute, Rochester, NY, USA; Division of Supportive Care in Cancer, Department of Surgery, University of Rochester Medical Center, Rochester, NY, USA.
| | - Heidi D Klepin
- Wake Forest Baptist Comprehensive Cancer Center, Medical Center Blvd, Winston-Salem, NC, USA.
| | | | - Karen Mustian
- James P. Wilmot Cancer Institute, Rochester, NY, USA; Division of Supportive Care in Cancer, Department of Surgery, University of Rochester Medical Center, Rochester, NY, USA.
| | - Paula Vertino
- James P. Wilmot Cancer Institute, Rochester, NY, USA; Department of Biomedical Genetics, University of Rochester Medical Center, Rochester, NY, USA.
| | - Martha Susiarjo
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA.
| | - Michelle C Janelsins
- James P. Wilmot Cancer Institute, Rochester, NY, USA; Division of Supportive Care in Cancer, Department of Surgery, University of Rochester Medical Center, Rochester, NY, USA.
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46
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Son Y, Choi E, Hwang Y, Kim K. The role of 27-hydroxycholesterol in meta-inflammation. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2024; 28:107-112. [PMID: 38414393 PMCID: PMC10902588 DOI: 10.4196/kjpp.2024.28.2.107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/03/2024] [Accepted: 01/09/2024] [Indexed: 02/29/2024]
Abstract
27-Hydroxycholesterol (27OHChol), a prominent cholesterol metabolite present in the bloodstream and peripheral tissues, is a kind of immune oxysterol that elicits immune response. Recent research indicates the involvement of 27OHChol in metabolic inflammation (meta-inflammation) characterized by chronic responses associated with metabolic irregularities. 27OHChol activates monocytic cells such that they secrete pro-inflammatory cytokines and chemokines, and increase the expression of cell surface molecules such as pattern-recognition receptors that play key roles in immune cell-cell communication and sensing metabolism-associated danger signals. Levels of 27OHChol increase when cholesterol metabolism is disrupted, and the resulting inflammatory responses can contribute to the development and complications of metabolic syndrome, including obesity, insulin resistance, and cardiovascular diseases. Since 27OHChol can induce chronic immune response by activating monocyte-macrophage lineage cells that play a crucial role in meta-inflammation, it is essential to understand the 27OHChol-induced inflammatory responses to unravel the roles and mechanisms of action of this cholesterol metabolite in chronic metabolic disorders.
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Affiliation(s)
- Yonghae Son
- Department of Pharmacology, School of Medicine, Pusan National University, Yangsan 50612, Korea
| | - Eunbeen Choi
- Department of Medicine, School of Medicine, Pusan National University, Yangsan 50612, Korea
| | - Yujin Hwang
- Department of Medicine, School of Medicine, Pusan National University, Yangsan 50612, Korea
| | - Koanhoi Kim
- Department of Pharmacology, School of Medicine, Pusan National University, Yangsan 50612, Korea
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47
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Chandwani ND, Gedam UD, Deshmukh R, Dakshindas DM, Shrigiriwar M. Mines of cytokine: A treasure trove in pulpal and periapical diseases. JOURNAL OF CONSERVATIVE DENTISTRY AND ENDODONTICS 2024; 27:227-232. [PMID: 38634023 PMCID: PMC11019815 DOI: 10.4103/jcde.jcde_289_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/09/2024] [Accepted: 01/11/2024] [Indexed: 04/19/2024]
Abstract
Pulpitis is a special disease of dental pulp. It causes localized inflammation, due to various inflammatory mediators such as cytokines and chemokines. These inflammatory mediators are responsible for various reparative and resorptive processes in the dental pulp. The balance between these processes ultimately determines the viability of the tooth. Due to the important properties of various inflammatory markers, the correlation of cytokinin gene expression in various stages of inflammation becomes necessary to focus on. Several studies in the past have focused on the importance of such correlation to help in diagnostic applications. The nature of these inflammatory mediators can help us in diagnostic evaluation. Several attempts have been made to focus on these associations so that it can assist in making clinical decisions effectively. The data available are vast but are the most neglected topic. This review article briefly outlines and summarizes the importance of various inflammatory mediators such as cytokinin and chemokines in various pathways of pulpal and periapical inflammation in explanatory and diagrammatic forms. Knowledge gained about pulpal inflammatory response may aid in understanding the molecular level of inflammatory pulpal and periapical diseases, which shall modify our future diagnostic modalities. Several medicaments are used in the treatment of minimal to advanced dental caries which leads to periapical infections. Thorough understanding of these medicaments can resolve secondary infection and can improve the prognosis of the treated tooth.
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Affiliation(s)
- Neelam D Chandwani
- Department of Dentistry, All India Institute of Medical Sciences, Nagpur, Maharashtra, India
| | - Unnati Devanand Gedam
- Department of Dentistry, All India Institute of Medical Sciences, Nagpur, Maharashtra, India
| | - Ranjana Deshmukh
- Department of Dentistry, All India Institute of Medical Sciences, Nagpur, Maharashtra, India
| | - Darshan M Dakshindas
- Department of Conservative Dentistry and Endodontics, Government Dental College and Hospital, Nagpur, Maharashtra, India
| | - Manish Shrigiriwar
- Department of FMT, All India Institute of Medical Sciences, Nagpur, Maharashtra, India
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Pampalone M, Cuscino N, Iannolo G, Amico G, Ricordi C, Vitale G, Carcione C, Castelbuono S, Scilabra SD, Coronnello C, Gruttadauria S, Pietrosi G. Human Amniotic MSC Response in LPS-Stimulated Ascites from Patients with Cirrhosis: FOXO1 Gene and Th17 Activation in Enhanced Antibacterial Activation. Int J Mol Sci 2024; 25:2801. [PMID: 38474048 DOI: 10.3390/ijms25052801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/22/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
Spontaneous bacterial peritonitis (SBP) is a severe complication in patients with decompensated liver cirrhosis and is commonly treated with broad spectrum antibiotics. However, the rise of antibiotic resistance requires alternative therapeutic strategies. As recently shown, human amnion-derived mesenchymal stem cells (hA-MSCs) are able, in vitro, to promote bacterial clearance and modulate the immune and inflammatory response in SBP. Our results highlight the upregulation of FOXO1, CXCL5, CXCL6, CCL20, and MAPK13 in hA-MSCs as well as the promotion of bacterial clearance, prompting a shift in the immune response toward a Th17 lymphocyte phenotype after 72 h treatment. In this study, we used an in vitro SBP model and employed omics techniques (next-generation sequencing) to investigate the mechanisms by which hA-MSCs modify the crosstalk between immune cells in LPS-stimulated ascitic fluid. We also validated the data obtained via qRT-PCR, cytofluorimetric analysis, and Luminex assay. These findings provide further support to the hope of using hA-MSCs for the prevention and treatment of infective diseases, such as SBP, offering a viable alternative to antibiotic therapy.
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Affiliation(s)
- Mariangela Pampalone
- Ri.MED Foundation, 90127 Palermo, Italy
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | - Nicola Cuscino
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | - Gioacchin Iannolo
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | - Giandomenico Amico
- Ri.MED Foundation, 90127 Palermo, Italy
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | - Camillo Ricordi
- Cell Transplant Center, Diabetes Research Institute (DRI), University of Miami Miller School of Medicine, 1450 NW 10th Ave, Miami, FL 33136, USA
| | | | | | - Salvatore Castelbuono
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | - Simone Dario Scilabra
- Ri.MED Foundation, 90127 Palermo, Italy
- Department of Laboratory Medicine and Advanced Biotechnologies, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), 90127 Palermo, Italy
| | | | - Salvatore Gruttadauria
- Department for the Treatment and Study of Abdominal Disease and Abdominal Transplantation, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), UPMCI (University of Pittsburgh Medical Center Italy), 90127 Palermo, Italy
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, 95124 Catania, Italy
| | - Giada Pietrosi
- Department for the Treatment and Study of Abdominal Disease and Abdominal Transplantation, IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione), UPMCI (University of Pittsburgh Medical Center Italy), 90127 Palermo, Italy
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49
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Tyagi S, Higerd-Rusli GP, Ghovanloo MR, Dib-Hajj F, Zhao P, Liu S, Kim DH, Shim JS, Park KS, Waxman SG, Choi JS, Dib-Hajj SD. Compartment-specific regulation of Na V1.7 in sensory neurons after acute exposure to TNF-α. Cell Rep 2024; 43:113685. [PMID: 38261513 PMCID: PMC10947185 DOI: 10.1016/j.celrep.2024.113685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 11/09/2023] [Accepted: 01/02/2024] [Indexed: 01/25/2024] Open
Abstract
Tumor necrosis factor α (TNF-α) is a major pro-inflammatory cytokine, important in many diseases, that sensitizes nociceptors through its action on a variety of ion channels, including voltage-gated sodium (NaV) channels. We show here that TNF-α acutely upregulates sensory neuron excitability and current density of threshold channel NaV1.7. Using electrophysiological recordings and live imaging, we demonstrate that this effect on NaV1.7 is mediated by p38 MAPK and identify serine 110 in the channel's N terminus as the phospho-acceptor site, which triggers NaV1.7 channel insertion into the somatic membrane. We also show that the N terminus of NaV1.7 is sufficient to mediate this effect. Although acute TNF-α treatment increases NaV1.7-carrying vesicle accumulation at axonal endings, we did not observe increased channel insertion into the axonal membrane. These results identify molecular determinants of TNF-α-mediated regulation of NaV1.7 in sensory neurons and demonstrate compartment-specific effects of TNF-α on channel insertion in the neuronal plasma membrane.
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Affiliation(s)
- Sidharth Tyagi
- Medical Scientist Training Program, Yale School of Medicine, New Haven, CT 06511, USA; Center for Neuroscience and Regeneration Research, West Haven, CT 06516, USA; Department of Neurology, Yale School of Medicine, New Haven, CT 06516, USA; Center for Restoration of Nervous System Function, VA Connecticut Healthcare System, West Haven, CT 06516, USA.
| | - Grant P Higerd-Rusli
- Medical Scientist Training Program, Yale School of Medicine, New Haven, CT 06511, USA; Center for Neuroscience and Regeneration Research, West Haven, CT 06516, USA; Department of Neurology, Yale School of Medicine, New Haven, CT 06516, USA; Center for Restoration of Nervous System Function, VA Connecticut Healthcare System, West Haven, CT 06516, USA
| | - Mohammad-Reza Ghovanloo
- Center for Neuroscience and Regeneration Research, West Haven, CT 06516, USA; Department of Neurology, Yale School of Medicine, New Haven, CT 06516, USA; Center for Restoration of Nervous System Function, VA Connecticut Healthcare System, West Haven, CT 06516, USA
| | - Fadia Dib-Hajj
- Center for Neuroscience and Regeneration Research, West Haven, CT 06516, USA; Department of Neurology, Yale School of Medicine, New Haven, CT 06516, USA; Center for Restoration of Nervous System Function, VA Connecticut Healthcare System, West Haven, CT 06516, USA
| | - Peng Zhao
- Center for Neuroscience and Regeneration Research, West Haven, CT 06516, USA; Department of Neurology, Yale School of Medicine, New Haven, CT 06516, USA; Center for Restoration of Nervous System Function, VA Connecticut Healthcare System, West Haven, CT 06516, USA
| | - Shujun Liu
- Center for Neuroscience and Regeneration Research, West Haven, CT 06516, USA; Department of Neurology, Yale School of Medicine, New Haven, CT 06516, USA; Center for Restoration of Nervous System Function, VA Connecticut Healthcare System, West Haven, CT 06516, USA
| | - Dong-Hyun Kim
- Integrated Research Institute of Pharmaceutical Science, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, South Korea; New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), Daegu 41061, South Korea
| | - Ji Seon Shim
- Department of Physiology, Kyung Hee University School of Medicine, Seoul 02447, South Korea
| | - Kang-Sik Park
- Department of Physiology, Kyung Hee University School of Medicine, Seoul 02447, South Korea
| | - Stephen G Waxman
- Center for Neuroscience and Regeneration Research, West Haven, CT 06516, USA; Department of Neurology, Yale School of Medicine, New Haven, CT 06516, USA; Center for Restoration of Nervous System Function, VA Connecticut Healthcare System, West Haven, CT 06516, USA.
| | - Jin-Sung Choi
- Integrated Research Institute of Pharmaceutical Science, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, South Korea.
| | - Sulayman D Dib-Hajj
- Center for Neuroscience and Regeneration Research, West Haven, CT 06516, USA; Department of Neurology, Yale School of Medicine, New Haven, CT 06516, USA; Center for Restoration of Nervous System Function, VA Connecticut Healthcare System, West Haven, CT 06516, USA.
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50
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Kumar P, Oster RA, Assimos DG, Ness TJ, Mitchell T. Bioenergetic profiles of peripheral mononuclear cells and systemic inflammation in women with Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS). PLoS One 2024; 19:e0298981. [PMID: 38359038 PMCID: PMC10868762 DOI: 10.1371/journal.pone.0298981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 02/01/2024] [Indexed: 02/17/2024] Open
Abstract
Inflammation is thought to contribute to the etiology of interstitial cystitis/bladder pain syndrome (IC/BPS). It is well-known that disruption in metabolism in immune cells contributes to inflammation in several inflammatory diseases. The purpose of this study was to investigate whether cellular bioenergetics is altered in monocytes and lymphocytes from women with IC/BPS, and if these alterations correlate with systemic inflammatory markers. Age and BMI matched adult healthy women (HS; n = 18) and women with IC/BPS (n = 18) were included in the study. Blood was collected to assess cellular bioenergetics in monocytes and lymphocytes using a Seahorse XF96 Analyzer and plasma cytokine levels were measured using Meso Scale Discovery immunoassays. The correlation between bioenergetic parameters, cytokines, and demographics was determined using Pearson correlation coefficients. Means of the two groups were compared using the two-group t-test. Patients with IC/BPS had reduced monocyte oxygen consumption rates and glycolytic rates compared to healthy subjects. In contrast, lymphocytes from these patients had increased oxygen consumption rates and glycolytic rates. Several cytokines and chemokines including Interferon-gamma (IFN-ɣ), tumor necrosis factor alpha (TNF-ɑ), Interleukin-6 (IL-6), Interleukin-8 (IL-8) and vascular endothelial growth factor (VEGF) levels were significantly elevated in the plasma of patients with IC/BPS. However, Transforming growth factor (TGF-β) and Interleukin-10 (IL-10) levels were significantly decreased in IC/BPS patients compared to HS. In addition, Interferon gamma (IFN-ɣ), TNF-ɑ, IL-8, and TGF-β levels correlated with several bioenergetic parameters in monocytes or lymphocytes from healthy subjects. In contrast, TNF-ɑ and IL-8 correlated with bioenergetic parameters in monocytes from IC/BPS patients. Monocyte and lymphocyte cellular bioenergetics and plasma cytokine levels are different in patients with IC/PBS compared to HS. It appears that systemic inflammation is greater in this cohort which may negatively impact immune cell function. The relationship between cellular bioenergetics and inflammation in monocytes and lymphocytes could be important in understanding the pathogenesis of IC/PBS and warrants further investigation.
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Affiliation(s)
- Parveen Kumar
- Department of Urology, University of Alabama at Birmingham, Birmingham, AL, United States of America
| | - Robert A. Oster
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States of America
| | - Dean G. Assimos
- Department of Urology, University of Alabama at Birmingham, Birmingham, AL, United States of America
| | - Timothy J. Ness
- Department of Anesthesiology, University of Alabama at Birmingham, Birmingham, AL, United States of America
| | - Tanecia Mitchell
- Department of Urology, University of Alabama at Birmingham, Birmingham, AL, United States of America
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