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Sebastian A, Abu Rabah RR, Zaraei SO, Vunnam S, Sultan S, Anbar HS, El-Gamal R, Tarazi H, Sarg N, Alhamad DW, Al Shamma SA, Shahin AI, Omar HA, Al-Tel TH, El-Gamal MI. Design, synthesis, biological evaluation, and in silico studies of novel pyridopyridine derivatives as anticancer candidates targeting FMS kinase. Eur J Med Chem 2024; 274:116557. [PMID: 38850857 DOI: 10.1016/j.ejmech.2024.116557] [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: 04/29/2024] [Revised: 05/29/2024] [Accepted: 05/30/2024] [Indexed: 06/10/2024]
Abstract
Design and synthesis of novel 4-carboxamidopyrido[3,2-b]pyridine derivatives as novel rigid analogues of sorafenib are reported herein. The target compounds showed potent antiproliferative activities against a panel of NCI-60 cancer cell lines as well as hepatocellular carcinoma cell line. Compounds 8g and 9f were among the most promising derivatives in terms of effectiveness and safety. Therefore, they were further examined to demonstrate their ability to induce apoptosis and alter cell cycle progression in hepatocellular carcinoma cells. The most potent compounds were tested against a panel of kinases that indicated their selectivity against FMS kinase. Compounds 8g and 8h showed the most potent activities against FMS kinase with IC50 values of 21.5 and 73.9 nM, respectively. The two compounds were also tested in NanoBRET assay to investigate their ability to inhibit FMS kinase in cells (IC50 = 563 nM (8g) and 1347 nM (8h) vs. IC50 = 1654 nM for sorafenib). Furthermore, compounds 8g and 8h possess potent inhibitory activities against macrophages when investigated in bone marrow-derived macrophages (BMDM) assay (IC50 = 56 nM and 167 nM, respectively, 164 nM for sorafenib). The safety and selectivity of these compounds were confirmed when tested against normal cell lines. Their safety profile was further confirmed using hERG assay. In silico studies were carried out to investigate their binding modes in the active site of FMS kinase, and to develop a QSAR model for these new motifs.
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Affiliation(s)
- Anusha Sebastian
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Reinad R Abu Rabah
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Seyed-Omar Zaraei
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Srinivasulu Vunnam
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Shaista Sultan
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Hanan S Anbar
- Department of Pharmaceutical Sciences, Dubai Pharmacy College for Girls, Dubai, 19099, United Arab Emirates
| | - Randa El-Gamal
- Department of Medical Biochemistry, Faculty of Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Hamadeh Tarazi
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Nadin Sarg
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Dima W Alhamad
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Salma A Al Shamma
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Afnan I Shahin
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Hany A Omar
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, 62514, Egypt
| | - Taleb H Al-Tel
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates.
| | - Mohammed I El-Gamal
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
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2
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Colella P, Sayana R, Suarez-Nieto MV, Sarno J, Nyame K, Xiong J, Pimentel Vera LN, Arozqueta Basurto J, Corbo M, Limaye A, Davis KL, Abu-Remaileh M, Gomez-Ospina N. CNS-wide repopulation by hematopoietic-derived microglia-like cells corrects progranulin deficiency in mice. Nat Commun 2024; 15:5654. [PMID: 38969669 PMCID: PMC11226701 DOI: 10.1038/s41467-024-49908-4] [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: 06/17/2024] [Indexed: 07/07/2024] Open
Abstract
Hematopoietic stem cell transplantation can deliver therapeutic proteins to the central nervous system (CNS) through transplant-derived microglia-like cells. However, current conditioning approaches result in low and slow engraftment of transplanted cells in the CNS. Here we optimized a brain conditioning regimen that leads to rapid, robust, and persistent microglia replacement without adverse effects on neurobehavior or hematopoiesis. This regimen combines busulfan myeloablation and six days of Colony-stimulating factor 1 receptor inhibitor PLX3397. Single-cell analyses revealed unappreciated heterogeneity of microglia-like cells with most cells expressing genes characteristic of homeostatic microglia, brain-border-associated macrophages, and unique markers. Cytokine analysis in the CNS showed transient inductions of myeloproliferative and chemoattractant cytokines that help repopulate the microglia niche. Bone marrow transplant of progranulin-deficient mice conditioned with busulfan and PLX3397 restored progranulin in the brain and eyes and normalized brain lipofuscin storage, proteostasis, and lipid metabolism. This study advances our understanding of CNS repopulation by hematopoietic-derived cells and demonstrates its therapeutic potential for treating progranulin-dependent neurodegeneration.
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Affiliation(s)
- Pasqualina Colella
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, 94305, USA.
| | - Ruhi Sayana
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, 94305, USA
| | | | - Jolanda Sarno
- Hematology, Oncology, Stem Cell Transplant, and Regenerative Medicine, Department of Pediatrics, Stanford University, Stanford, CA, 94305, USA
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, 20900, Monza, Italy
| | - Kwamina Nyame
- Department of Chemical Engineering, Stanford University, Stanford, CA, 94305, USA
- Department of Genetics, Stanford University, Stanford, CA, 94305, USA
- The Institute for Chemistry, Engineering and Medicine for Human Health (Sarafan ChEM-H), Stanford University, Stanford, CA, 94305, USA
| | - Jian Xiong
- Department of Chemical Engineering, Stanford University, Stanford, CA, 94305, USA
- Department of Genetics, Stanford University, Stanford, CA, 94305, USA
- The Institute for Chemistry, Engineering and Medicine for Human Health (Sarafan ChEM-H), Stanford University, Stanford, CA, 94305, USA
| | | | | | - Marco Corbo
- MedGenome, Inc, 348 Hatch Dr, Foster City, CA, 94404, USA
| | - Anay Limaye
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, 94305, USA
- MedGenome, Inc, 348 Hatch Dr, Foster City, CA, 94404, USA
| | - Kara L Davis
- Hematology, Oncology, Stem Cell Transplant, and Regenerative Medicine, Department of Pediatrics, Stanford University, Stanford, CA, 94305, USA
| | - Monther Abu-Remaileh
- Department of Chemical Engineering, Stanford University, Stanford, CA, 94305, USA
- Department of Genetics, Stanford University, Stanford, CA, 94305, USA
- The Institute for Chemistry, Engineering and Medicine for Human Health (Sarafan ChEM-H), Stanford University, Stanford, CA, 94305, USA
| | - Natalia Gomez-Ospina
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, 94305, USA.
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3
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Bennett ZT, Huang G, Dellinger MT, Sumer BD, Gao J. Stepwise Ultra-pH-Sensitive Micelles Overcome a p Ka Barrier for Systemic Lymph Node Delivery. ACS NANO 2024; 18:16632-16647. [PMID: 38900677 DOI: 10.1021/acsnano.4c00876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
While local nanoparticle delivery to lymph nodes is well studied, there are few design criteria for intravenous delivery to the entire lymph node repertoire. In this study, we investigated the effect of NP pH transition on lymph node targeting by employing a series of ultra-pH-sensitive (UPS) polymeric micelles. The UPS library responds to pH thresholds (pKa 6.9, 6.2, and 5.3) over a range of physiological pH. We observed a dependence of intravenous lymph node targeting on micelle pH transition. UPS6.9 (subscript indicates pKa) shows poor lymph node delivery, while UPS5.3 delivers efficiently to lymph node sets. We investigated targeting mechanisms of UPS5.3, observing an accumulation among lymph node lymphatics and a dependence on lymph node-resident macrophages. To overcome the pH-threshold barrier, which limits UPS6.9, we rationally designed a nanoparticle coassembly of UPS6.9 with UPS5.3, called HyUPS. The HyUPS micelle retains the constitutive pH transitions of each polymer, showing stepwise responses to discrete pH thresholds. We demonstrate that HyUPS improves UPS6.9 delivery to lymph nodes, extending this platform for disease detection of lymph node metastasis.
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Affiliation(s)
- Zachary T Bennett
- Department of Pharmacology, Harold C. Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, United States
- Department of Biomedical Engineering, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, United States
| | - Gang Huang
- Department of Pharmacology, Harold C. Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, United States
| | - Michael T Dellinger
- Hamon Center for Therapeutic Oncology Research, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, United States
- Department of Surgery, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, United States
| | - Baran D Sumer
- Department of Otolaryngology, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, United States
| | - Jinming Gao
- Department of Pharmacology, Harold C. Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, United States
- Department of Biomedical Engineering, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, United States
- Department of Otolaryngology, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, United States
- Department of Cell Biology, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, United States
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4
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Kulkarni AM, Gayam PKR, Aranjani JM. Advances in Understanding and Management of Erdheim-Chester Disease. Life Sci 2024; 348:122692. [PMID: 38710283 DOI: 10.1016/j.lfs.2024.122692] [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: 02/28/2024] [Revised: 04/13/2024] [Accepted: 05/03/2024] [Indexed: 05/08/2024]
Abstract
Erdheim Chester Disease (ECD) is a rare histiocytic disorder marked by infiltration of organs with CD68+ histiocytes. ECD stems from mutations of BRAF and MAP2K1 in hematopoietic stem and progenitor cells (HSPCs), which further differentiate into monocytes and histiocytes. Histopathology reveals lipid-containing histiocytes, which test positive for CD68 and CD133 in immunohistochemistry. Signs and symptoms vary and depend on the organ/s of manifestation. Definitive radiological results associated with ECD include hairy kidney, coated aorta, and cardiac pseudotumor. Treatment options primarily include anti-cytokine therapy and inhibitors of BRAF and MEK signaling.
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Affiliation(s)
- Aniruddha Murahar Kulkarni
- Department of Pharmaceutical Biotechnology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Prasanna Kumar Reddy Gayam
- Department of Pharmaceutical Biotechnology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Jesil Mathew Aranjani
- Department of Pharmaceutical Biotechnology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India.
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5
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Fan Z, Karakone M, Nagarajan S, Nagy N, Mildenberger W, Petrova E, Hinte LC, Bijnen M, Häne P, Nelius E, Chen J, Ferapontova I, von Meyenn F, Trepiccione F, Berber M, Ribas DP, Eichmann A, Zennaro MC, Takeda N, Fischer JW, Spyroglou A, Reincke M, Beuschlein F, Loffing J, Greter M, Stockmann C. Macrophages preserve endothelial cell specialization in the adrenal gland to modulate aldosterone secretion and blood pressure. Cell Rep 2024; 43:114395. [PMID: 38941187 DOI: 10.1016/j.celrep.2024.114395] [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: 02/09/2023] [Revised: 04/22/2024] [Accepted: 06/07/2024] [Indexed: 06/30/2024] Open
Abstract
Macrophages play crucial roles in organ-specific functions and homeostasis. In the adrenal gland, macrophages closely associate with sinusoidal capillaries in the aldosterone-producing zona glomerulosa. We demonstrate that macrophages preserve capillary specialization and modulate aldosterone secretion. Using macrophage-specific deletion of VEGF-A, single-cell transcriptomics, and functional phenotyping, we found that the loss of VEGF-A depletes PLVAP+ fenestrated endothelial cells in the zona glomerulosa, leading to increased basement membrane collagen IV deposition and subendothelial fibrosis. This results in increased aldosterone secretion, called "haptosecretagogue" signaling. Human aldosterone-producing adenomas also show capillary rarefaction and basement membrane thickening. Mice with myeloid cell-specific VEGF-A deletion exhibit elevated serum aldosterone, hypokalemia, and hypertension, mimicking primary aldosteronism. These findings underscore macrophage-to-endothelial cell signaling as essential for endothelial cell specialization, adrenal gland function, and blood pressure regulation, with broader implications for other endocrine organs.
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Affiliation(s)
- Zheng Fan
- University of Zurich, Institute of Anatomy, 8057 Zurich, Switzerland.
| | - Mara Karakone
- University of Zurich, Institute of Anatomy, 8057 Zurich, Switzerland
| | | | - Nadine Nagy
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Wiebke Mildenberger
- University of Zurich, Institute for Experimental Immunology, 8057 Zurich, Switzerland
| | - Ekaterina Petrova
- University of Zurich, Institute for Experimental Immunology, 8057 Zurich, Switzerland
| | - Laura Catharina Hinte
- Laboratory of Nutrition and Metabolic Epigenetics, Institute for Food, Nutrition and Health, Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland
| | - Mitchell Bijnen
- University of Zurich, Institute for Experimental Immunology, 8057 Zurich, Switzerland
| | - Philipp Häne
- University of Zurich, Institute for Experimental Immunology, 8057 Zurich, Switzerland
| | - Eric Nelius
- University of Zurich, Institute of Anatomy, 8057 Zurich, Switzerland
| | - Jing Chen
- University of Zurich, Institute of Anatomy, 8057 Zurich, Switzerland
| | - Irina Ferapontova
- University of Zurich, Institute of Anatomy, 8057 Zurich, Switzerland
| | - Ferdinand von Meyenn
- Laboratory of Nutrition and Metabolic Epigenetics, Institute for Food, Nutrition and Health, Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland
| | - Francesco Trepiccione
- Department of Translational Medical Sciences, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Mesut Berber
- University of Zurich, Institute of Anatomy, 8057 Zurich, Switzerland
| | - David Penton Ribas
- Electrophysiology Facility (e-phac), Department of Molecular Life Sciences, University of Zurich (UZH), 8057 Zürich, Switzerland
| | - Anne Eichmann
- Cardiovascular Research Center and Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, CT, USA
| | | | - Norihiko Takeda
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan
| | - Jens W Fischer
- Institute of Pharmacology and Clinical Pharmacology, Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Ariadni Spyroglou
- Klinik für Endokrinologie, Diabetologie, und Klinische Ernährung, UniversitätsSpital Zürich (USZ) and UZH, Raemistrasse 100, 8091 Zurich, Switzerland; Medizinische Klinik und Poliklinik IV, Ludwig-Maximilians-University (LMU), Munich, Germany
| | - Martin Reincke
- Klinik für Endokrinologie, Diabetologie, und Klinische Ernährung, UniversitätsSpital Zürich (USZ) and UZH, Raemistrasse 100, 8091 Zurich, Switzerland
| | - Felix Beuschlein
- Klinik für Endokrinologie, Diabetologie, und Klinische Ernährung, UniversitätsSpital Zürich (USZ) and UZH, Raemistrasse 100, 8091 Zurich, Switzerland; Medizinische Klinik und Poliklinik IV, Ludwig-Maximilians-University (LMU), Munich, Germany
| | - Johannes Loffing
- University of Zurich, Institute of Anatomy, 8057 Zurich, Switzerland
| | - Melanie Greter
- University of Zurich, Institute for Experimental Immunology, 8057 Zurich, Switzerland
| | - Christian Stockmann
- University of Zurich, Institute of Anatomy, 8057 Zurich, Switzerland; INSERM U970, Paris Cardiovascular Research Center, Paris, France.
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6
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Junaid M, Liu S, Yue Q, Wang J. Exacerbated interfacial impacts of nanoplastics and 6:2 chlorinated polyfluorinated ether sulfonate by natural organic matter in adult zebrafish: Evidence through histopathology, gut microbiota, and transcriptomic analysis. JOURNAL OF HAZARDOUS MATERIALS 2024; 476:135038. [PMID: 38941840 DOI: 10.1016/j.jhazmat.2024.135038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/16/2024] [Accepted: 06/24/2024] [Indexed: 06/30/2024]
Abstract
Nanoplastics (NPs) interact with cooccurring chemicals and natural organic matter (NOM) in the environment, forming complexes that can change their bioavailability and interfacial toxicity in aquatic organisms. This study aims to elucidate the single and combined impacts of 21-day chronic exposure to low levels of polystyrene NPs (size 80 nm) at 1 mg/L and 6:2 chlorinated polyfluorinated ether sulfonate (Cl-PFAES or F53B) at 200 μg/L in the presence and absence of NOM (humic acid-HA and bovine serum albumin-BSA at 10 mg/L) in adult zebrafish (Danio rerio). Our findings through multiple bioassays, revealed that the mixture group (M), comprising of NPs, F53B, HA, and BSA, caused a higher level of toxicity compared to the single NPs (AN), single F53B (AF), and combined NPs+F53B (ANF) groups. The mixture exposure caused the highest level of vacuolization and nuclear condensation in hepatocytes, and most of the intestinal villi were fused and highly reduced in villi length and crypt depth. Further, the T-AOC levels were significantly lower (p < 0.05), while the MDA levels in the liver and intestine were significantly higher (p < 0.05) in the M group with downregulation of nfkbiaa, while upregulation of prkcda, csf1ra, and il1b apoptosis genes in the liver. Pairwise comparison of gut microbiota showed significantly higher (p < 0.05) abundances of various genera in the M group, including Gordonia, Methylobacterium, Tundrisphaera, GKS98, Pedomicrobium, Clostridium, Candidatus and Anaerobacillus, as well as higher abundance of genera including pathogenic strains, while control group showed higher abundance of probiotic genus ZOR0006 than exposed group (p < 0.01). The transcriptomic analysis revealed highest number of DEGs in the M group (2815), followed by the AN group (506) and ANF group (206) with the activation of relaxin signaling pathway-RSP (slc9a1, slc9a2) and AMP-activated protein kinase (AMPK) pathway (plin1), and suppression of the toll-like receptor (TLR) pathway (tlr4a, tlr2, tlr1), cytokine-cytokine receptor interaction (CCRI) pathway (tnfb, il21r1, il21, ifng1), and peroxisome proliferator-activated receptors (PPAR) pathway (pfkfb3). Overall, toxicity in the M group was higher, indicating that the HA and BSA elevated the interfacial impacts of NPs and F53B in adult zebrafish after chronic environmentally relevant exposure, implying the revisitation of the critical interaction of NOM with co-occurring chemicals and associated impacts.
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Affiliation(s)
- Muhammad Junaid
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou 510641, China; Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, Shaoguan 512005, China
| | - Shulin Liu
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou 510641, China
| | - Qiang Yue
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, Shaoguan 512005, China
| | - Jun Wang
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou 510641, China.
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7
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Yamamoto J, Deguchi H, Sumiyoshi T, Nakagami K, Saito A, Miyanishi H, Kondo M, Kono T, Sakai M, Kinoshita M, Hikima JI. Accumulation and Phagocytosis of Fluorescently Visualized Macrophages Against Edwardsiella piscicida Infection in Established mpeg1.1-Transgenic Japanese Medaka Oryzias latipes. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2024:10.1007/s10126-024-10333-9. [PMID: 38888725 DOI: 10.1007/s10126-024-10333-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 06/06/2024] [Indexed: 06/20/2024]
Abstract
Intracellular bacteria such as those belonging to the genus Edwardsiella can survive and proliferate within macrophages. However, the detailed mechanisms underlying the host macrophage immune response and pathogen evasion strategies remain unknown. To advance the field of host macrophage research, we successfully established transgenic (Tg) Japanese medaka Oryzias latipes that possesses fluorescently visualized macrophages. As a macrophage marker, the macrophage-expressed gene 1.1 (mpeg1.1) was selected because of its predominant expression across various tissues in medaka. To validate the macrophage characteristics of the fluorescently labeled cells, May-Grünwald Giemsa staining and peroxidase staining were conducted. The labeled cells exhibited morphological features consistent with those of monocyte/macrophage-like cells and tested negative for peroxidase activity. Through co-localization studies, the fluorescently labeled cells co-localized with E. piscicida in the intestines and kidneys of infected medaka larvae, confirming the ingestion of bacteria through phagocytosis. In addition, the labeled cells expressed macrophage markers but lacked a neutrophil marker. These results suggested that the fluorescently labeled cells of Tg[mpeg1.1:mCherry/mAG] medaka were monocytes/macrophages, which will be useful for future studies aimed at understanding the mechanisms of macrophage-mediated bacterial infections.
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Affiliation(s)
- Juna Yamamoto
- Course of Biochemistry and Applied Biosciences, Graduate School of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Hana Deguchi
- Course of Biochemistry and Applied Biosciences, Graduate School of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Takechiyo Sumiyoshi
- Course of Biochemistry and Applied Biosciences, Graduate School of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Kentaro Nakagami
- Course of Biochemistry and Applied Biosciences, Graduate School of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Akatsuki Saito
- Department of Veterinary Medicine, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Hiroshi Miyanishi
- Department of Marine Biology and Environmental Science, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Masakazu Kondo
- Department of Applied Aquabiology, National Fisheries University, Japan Fisheries Research and Education Agency, Yamaguchi, 759-6595, Japan
| | - Tomoya Kono
- Course of Biochemistry and Applied Biosciences, Graduate School of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
- Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Masahiro Sakai
- Course of Biochemistry and Applied Biosciences, Graduate School of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
- Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Masato Kinoshita
- Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University, Kyoto, 606-8502, Japan
| | - Jun-Ichi Hikima
- Course of Biochemistry and Applied Biosciences, Graduate School of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan.
- Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan.
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8
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Pisani DF, Lettieri-Barbato D, Ivanov S. Polyamine metabolism in macrophage-adipose tissue function and homeostasis. Trends Endocrinol Metab 2024:S1043-2760(24)00126-7. [PMID: 38897879 DOI: 10.1016/j.tem.2024.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 05/23/2024] [Accepted: 05/24/2024] [Indexed: 06/21/2024]
Abstract
Intracellular metabolism is a crucial regulator of macrophage function. Recent evidence revealed that the polyamine pathway and subsequent hypusination of eukaryotic initiation factor 5A (eIF5A) are master regulators of immune cell functions. In brown adipose tissue (BAT), macrophages show an impressive degree of heterogenicity, with specific subsets supporting adaptive thermogenesis during cold exposure. In this review, we discuss the impact of polyamine metabolism on macrophage diversity and function, with a particular focus on their role in adipose tissue homeostasis. Thus, we highlight the exploration of how polyamine metabolism in macrophages contributes to BAT homeostasis as an attractive and exciting new field of research.
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Affiliation(s)
| | - Daniele Lettieri-Barbato
- Department of Biology, University of Rome Tor Vergata, Rome, Italy; IRCCS-Fondazione Bietti, Rome, Italy.
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9
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Duc Nguyen H, Ardeshir A, Fonseca VA, Kim WK. Cluster of differentiation molecules in the metabolic syndrome. Clin Chim Acta 2024; 561:119819. [PMID: 38901629 DOI: 10.1016/j.cca.2024.119819] [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: 05/09/2024] [Revised: 06/12/2024] [Accepted: 06/13/2024] [Indexed: 06/22/2024]
Abstract
Metabolic syndrome (MetS) represents a significant public health concern due to its association with an increased risk of cardiovascular disease, type 2 diabetes, and other serious health conditions. Despite extensive research, the underlying molecular mechanisms contributing to MetS pathogenesis remain elusive. This review aims to provide a comprehensive overview of the molecular mechanisms linking MetS and cluster of differentiation (CD) markers, which play critical roles in immune regulation and cellular signaling. Through an extensive literature review with a systematic approach, we examine the involvement of various CD markers in MetS development and progression, including their roles in adipose tissue inflammation, insulin resistance, dyslipidemia, and hypertension. Additionally, we discuss potential therapeutic strategies targeting CD markers for the management of MetS. By synthesizing current evidence, this review contributes to a deeper understanding of the complex interplay between immune dysregulation and metabolic dysfunction in MetS, paving the way for the development of novel therapeutic interventions.
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Affiliation(s)
- Hai Duc Nguyen
- Division of Microbiology, Tulane National Primate Research Center, Tulane University, Covington, USA
| | - Amir Ardeshir
- Division of Microbiology, Tulane National Primate Research Center, Tulane University, Covington, USA; Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Vivian A Fonseca
- Department Endocrinology Metabolism & Diabetes, Tulane University School of Medicine, New Orleans, LA, USA
| | - Woong-Ki Kim
- Division of Microbiology, Tulane National Primate Research Center, Tulane University, Covington, USA; Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, USA.
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10
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Chadarevian JP, Hasselmann J, Lahian A, Capocchi JK, Escobar A, Lim TE, Le L, Tu C, Nguyen J, Kiani Shabestari S, Carlen-Jones W, Gandhi S, Bu G, Hume DA, Pridans C, Wszolek ZK, Spitale RC, Davtyan H, Blurton-Jones M. Therapeutic potential of human microglia transplantation in a chimeric model of CSF1R-related leukoencephalopathy. Neuron 2024:S0896-6273(24)00370-2. [PMID: 38897209 DOI: 10.1016/j.neuron.2024.05.023] [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: 11/15/2023] [Revised: 04/18/2024] [Accepted: 05/22/2024] [Indexed: 06/21/2024]
Abstract
Microglia replacement strategies are increasingly being considered for the treatment of primary microgliopathies like adult-onset leukoencephalopathy with axonal spheroids and pigmented glia (ALSP). However, available mouse models fail to recapitulate the diverse neuropathologies and reduced microglia numbers observed in patients. In this study, we generated a xenotolerant mouse model lacking the fms-intronic regulatory element (FIRE) enhancer within Csf1r, which develops nearly all the hallmark pathologies associated with ALSP. Remarkably, transplantation of human induced pluripotent stem cell (iPSC)-derived microglial (iMG) progenitors restores a homeostatic microglial signature and prevents the development of axonal spheroids, white matter abnormalities, reactive astrocytosis, and brain calcifications. Furthermore, transplantation of CRISPR-corrected ALSP-patient-derived iMG reverses pre-existing spheroids, astrogliosis, and calcification pathologies. Together with the accompanying study by Munro and colleagues, our results demonstrate the utility of FIRE mice to model ALSP and provide compelling evidence that iMG transplantation could offer a promising new therapeutic strategy for ALSP and perhaps other microglia-associated neurological disorders.
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Affiliation(s)
- Jean Paul Chadarevian
- Department of Neurobiology & Behavior, University of California, Irvine, Irvine, CA, USA; Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, USA; Sue and Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA, USA
| | - Jonathan Hasselmann
- Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, USA; Sue and Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA, USA
| | - Alina Lahian
- Department of Neurobiology & Behavior, University of California, Irvine, Irvine, CA, USA; Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, USA; Sue and Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA, USA
| | - Joia K Capocchi
- Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, USA
| | - Adrian Escobar
- Sue and Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA, USA
| | - Tau En Lim
- Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, USA; Sue and Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA, USA
| | - Lauren Le
- Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, USA
| | - Christina Tu
- Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, USA; Sue and Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA, USA
| | - Jasmine Nguyen
- Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, USA
| | - Sepideh Kiani Shabestari
- Department of Neurobiology & Behavior, University of California, Irvine, Irvine, CA, USA; Sue and Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA, USA
| | - William Carlen-Jones
- Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, USA
| | - Sunil Gandhi
- Department of Neurobiology & Behavior, University of California, Irvine, Irvine, CA, USA
| | - Guojun Bu
- Division of Life Science, Hong Kong University of Science and Technology, Hong Kong, China
| | - David A Hume
- Mater Research Institute, University of Queensland, Brisbane, QLD, Australia
| | - Clare Pridans
- University of Edinburgh, University of Edinburgh Center for Inflammation Research, Edinburgh, UK
| | | | - Robert C Spitale
- Department of Pharmaceutical Sciences, University of California, Irvine, Irvine, CA, USA
| | - Hayk Davtyan
- Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, USA; Sue and Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA, USA.
| | - Mathew Blurton-Jones
- Department of Neurobiology & Behavior, University of California, Irvine, Irvine, CA, USA; Institute for Memory Impairments and Neurological Disorders, University of California, Irvine, Irvine, CA, USA; Sue and Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA, USA.
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11
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Hanaford AR, Khanna A, James K, Truong V, Liao R, Chen Y, Mulholland M, Kayser EB, Watanabe K, Hsieh ES, Sedensky M, Morgan PG, Kalia V, Sarkar S, Johnson SC. Interferon-gamma contributes to disease progression in the Ndufs4(-/-) model of Leigh syndrome. Neuropathol Appl Neurobiol 2024; 50:e12977. [PMID: 38680020 DOI: 10.1111/nan.12977] [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: 09/22/2023] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 05/01/2024]
Abstract
AIM Leigh syndrome (LS), the most common paediatric presentation of genetic mitochondrial dysfunction, is a multi-system disorder characterised by severe neurologic and metabolic abnormalities. Symmetric, bilateral, progressive necrotizing lesions in the brainstem are defining features of the disease. Patients are often symptom free in early life but typically develop symptoms by about 2 years of age. The mechanisms underlying disease onset and progression in LS remain obscure. Recent studies have shown that the immune system causally drives disease in the Ndufs4(-/-) mouse model of LS: treatment of Ndufs4(-/-) mice with the macrophage-depleting Csf1r inhibitor pexidartinib prevents disease. While the precise mechanisms leading to immune activation and immune factors involved in disease progression have not yet been determined, interferon-gamma (IFNγ) and interferon gamma-induced protein 10 (IP10) were found to be significantly elevated in Ndufs4(-/-) brainstem, implicating these factors in disease. Here, we aimed to explore the role of IFNγ and IP10 in LS. METHODS To establish the role of IFNγ and IP10 in LS, we generated IFNγ and IP10 deficient Ndufs4(-/-)/Ifng(-/-) and Ndufs4(-/-)/IP10(-/-) double knockout animals, as well as IFNγ and IP10 heterozygous, Ndufs4(-/-)/Ifng(+/-) and Ndufs4(-/-)/IP10(+/-), animals. We monitored disease onset and progression to define the impact of heterozygous or homozygous loss of IFNγ and IP10 in LS. RESULTS Loss of IP10 does not significantly impact the onset or progression of disease in the Ndufs4(-/-) model. IFNγ loss significantly extends survival and delays disease progression in a gene dosage-dependent manner, though the benefits are modest compared to Csf1r inhibition. CONCLUSIONS IFNγ contributes to disease onset and progression in LS. Our findings suggest that IFNγ targeting therapies may provide some benefits in genetic mitochondrial disease, but targeting IFNγ alone would likely yield only modest benefits in LS.
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Affiliation(s)
- Allison R Hanaford
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Asheema Khanna
- Ben Towne Center for Childhood Cancer Research, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Katerina James
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Vivian Truong
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Ryan Liao
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Yihan Chen
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Michael Mulholland
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Ernst-Bernhard Kayser
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Kino Watanabe
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Erin Shien Hsieh
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Margaret Sedensky
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
- Department of Anaesthesiology and Pain Medicine, University of Washington, Seattle, Washington, USA
| | - Philip G Morgan
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
- Department of Anaesthesiology and Pain Medicine, University of Washington, Seattle, Washington, USA
| | - Vandana Kalia
- Ben Towne Center for Childhood Cancer Research, Seattle Children's Research Institute, Seattle, Washington, USA
- Department of Paediatrics, University of Washington School of Medicine, Seattle, Washington, USA
| | - Surojit Sarkar
- Ben Towne Center for Childhood Cancer Research, Seattle Children's Research Institute, Seattle, Washington, USA
- Department of Paediatrics, University of Washington School of Medicine, Seattle, Washington, USA
| | - Simon C Johnson
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
- Department of Anaesthesiology and Pain Medicine, University of Washington, Seattle, Washington, USA
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, Washington, USA
- Department of Neurology, University of Washington, Seattle, Washington, USA
- Department of Applied Sciences, Translational Bioscience, Northumbria University, Newcastle upon Tyne, UK
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12
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Baruah P, Mahony C, Marshall JL, Smith CG, Monksfield P, Irving RI, Dumitriu IE, Buckley CD, Croft AP. Single-cell RNA sequencing analysis of vestibular schwannoma reveals functionally distinct macrophage subsets. Br J Cancer 2024; 130:1659-1669. [PMID: 38480935 DOI: 10.1038/s41416-024-02646-2] [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: 10/03/2023] [Revised: 02/19/2024] [Accepted: 02/27/2024] [Indexed: 03/18/2024] Open
Abstract
BACKGROUND Vestibular schwannomas (VSs) remain a challenge due to their anatomical location and propensity to growth. Macrophages are present in VS but their roles in VS pathogenesis remains unknown. OBJECTIVES The objective was to assess phenotypic and functional profile of macrophages in VS with single-cell RNA sequencing (scRNAseq). METHODS scRNAseq was carried out in three VS samples to examine characteristics of macrophages in the tumour. RT-qPCR was carried out on 10 VS samples for CD14, CD68 and CD163 and a panel of macrophage-associated molecules. RESULTS scRNAseq revealed macrophages to be a major constituent of VS microenvironment with three distinct subclusters based on gene expression. The subclusters were also defined by expression of CD163, CD68 and IL-1β. AREG and PLAUR were expressed in the CD68+CD163+IL-1β+ subcluster, PLCG2 and NCKAP5 were expressed in CD68+CD163+IL-1β- subcluster and AUTS2 and SPP1 were expressed in the CD68+CD163-IL-1β+ subcluster. RT-qPCR showed expression of several macrophage markers in VS of which CD14, ALOX15, Interleukin-1β, INHBA and Colony Stimulating Factor-1R were found to have a high correlation with tumour volume. CONCLUSIONS Macrophages form an important component of VS stroma. scRNAseq reveals three distinct subsets of macrophages in the VS tissue which may have differing roles in the pathogenesis of VS.
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Affiliation(s)
- Paramita Baruah
- Department of ENT, University Hospitals of Birmingham NHS Trust, Birmingham, UK.
- Department of ENT, University Hospitals of Leicester NHS Trust, Leicester, UK.
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK.
| | - Christopher Mahony
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | - Jennifer L Marshall
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | - Charlotte G Smith
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | - Peter Monksfield
- Department of ENT, University Hospitals of Birmingham NHS Trust, Birmingham, UK
| | - Richard I Irving
- Department of ENT, University Hospitals of Birmingham NHS Trust, Birmingham, UK
| | - Ingrid E Dumitriu
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
| | | | - Adam P Croft
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
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13
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Fan J, Zhu J, Zhu H, Xu H. Potential therapeutic targets in myeloid cell therapy for overcoming chemoresistance and immune suppression in gastrointestinal tumors. Crit Rev Oncol Hematol 2024; 198:104362. [PMID: 38614267 DOI: 10.1016/j.critrevonc.2024.104362] [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: 11/18/2023] [Revised: 03/26/2024] [Accepted: 04/10/2024] [Indexed: 04/15/2024] Open
Abstract
In the tumor microenvironment (TME), myeloid cells play a pivotal role. Myeloid-derived immunosuppressive cells, including tumor-associated macrophages (TAMs) and myeloid-derived suppressor cells (MDSCs), are central components in shaping the immunosuppressive milieu of the tumor. Within the TME, a majority of TAMs assume an M2 phenotype, characterized by their pro-tumoral activity. These cells promote tumor cell growth, angiogenesis, invasion, and migration. In contrast, M1 macrophages, under appropriate activation conditions, exhibit cytotoxic capabilities against cancer cells. However, an excessive M1 response may lead to pro-tumoral inflammation. As a result, myeloid cells have emerged as crucial targets in cancer therapy. This review concentrates on gastrointestinal tumors, detailing methods for targeting macrophages to enhance tumor radiotherapy and immunotherapy sensitivity. We specifically delve into monocytes and tumor-associated macrophages' various functions, establishing an immunosuppressive microenvironment, promoting tumorigenic inflammation, and fostering neovascularization and stromal remodeling. Additionally, we examine combination therapeutic strategies.
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Affiliation(s)
- Jiawei Fan
- Department of Gastroenterology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun 130021, PR China
| | - Jianshu Zhu
- Department of Spine Surgery, The First Hospital of Jilin University, 1 Xinmin Street, Changchun 130021, PR China
| | - He Zhu
- Department of Gastroenterology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun 130021, PR China
| | - Hong Xu
- Department of Gastroenterology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun 130021, PR China.
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14
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Chompunud Na Ayudhya C, Graidist P, Tipmanee V. Role of CSF1R 550th-tryptophan in kusunokinin and CSF1R inhibitor binding and ligand-induced structural effect. Sci Rep 2024; 14:12531. [PMID: 38822100 PMCID: PMC11143223 DOI: 10.1038/s41598-024-63505-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: 03/05/2024] [Accepted: 05/29/2024] [Indexed: 06/02/2024] Open
Abstract
Binding affinity is an important factor in drug design to improve drug-target selectivity and specificity. In this study, in silico techniques based on molecular docking followed by molecular dynamics (MD) simulations were utilized to identify the key residue(s) for CSF1R binding affinity among 14 pan-tyrosine kinase inhibitors and 15 CSF1R-specific inhibitors. We found tryptophan at position 550 (W550) on the CSF1R binding site interacted with the inhibitors' aromatic ring in a π-π way that made the ligands better at binding. Upon W550-Alanine substitution (W550A), the binding affinity of trans-(-)-kusunokinin and imatinib to CSF1R was significantly decreased. However, in terms of structural features, W550 did not significantly affect overall CSF1R structure, but provided destabilizing effect upon mutation. The W550A also did not either cause ligand to change its binding site or conformational changes due to ligand binding. As a result of our findings, the π-π interaction with W550's aromatic ring could be still the choice for increasing binding affinity to CSF1R. Nevertheless, our study showed that the increasing binding to W550 of the design ligand may not ensure CSF1R specificity and inhibition since W550-ligand bound state did not induce significantly conformational change into inactive state.
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Affiliation(s)
- Chompunud Chompunud Na Ayudhya
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Hat Yai, 90100, Songkhla, Thailand
| | - Potchanapond Graidist
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Hat Yai, 90100, Songkhla, Thailand
- Bioactivity Testing Center, Faculty of Medicine, Prince of Songkla University, Hat Yai, 90100, Songkhla, Thailand
| | - Varomyalin Tipmanee
- Department of Biomedical Sciences and Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Hat Yai, 90100, Songkhla, Thailand.
- Bioactivity Testing Center, Faculty of Medicine, Prince of Songkla University, Hat Yai, 90100, Songkhla, Thailand.
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15
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Campo Garcia J, Bueno RJ, Salla M, Martorell-Serra I, Seeger B, Akbari N, Sperber P, Stachelscheid H, Infante-Duarte C, Paul F, Starossom SC. Establishment of a high-content compatible platform to assess effects of monocyte-derived factors on neural stem cell proliferation and differentiation. Sci Rep 2024; 14:12167. [PMID: 38806485 PMCID: PMC11133477 DOI: 10.1038/s41598-024-57066-2] [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: 01/26/2024] [Accepted: 03/14/2024] [Indexed: 05/30/2024] Open
Abstract
During neuroinflammation, monocytes that infiltrate the central nervous system (CNS) may contribute to regenerative processes depending on their activation status. However, the extent and mechanisms of monocyte-induced CNS repair in patients with neuroinflammatory diseases remain largely unknown, partly due to the lack of a fully human assay platform that can recapitulate monocyte-neural stem cell interactions within the CNS microenvironment. We therefore developed a human model system to assess the impact of monocytic factors on neural stem cells, establishing a high-content compatible assay for screening monocyte-induced neural stem cell proliferation and differentiation. The model combined monocytes isolated from healthy donors and human embryonic stem cell derived neural stem cells and integrated both cell-intrinsic and -extrinsic properties. We identified CNS-mimicking culture media options that induced a monocytic phenotype resembling CNS infiltrating monocytes, while allowing adequate monocyte survival. Monocyte-induced proliferation, gliogenic fate and neurogenic fate of neural stem cells were affected by the conditions of monocytic priming and basal neural stem cell culture as extrinsic factors as well as the neural stem cell passage number as an intrinsic neural stem cell property. We developed a high-content compatible human in vitro assay for the integrated analysis of monocyte-derived factors on CNS repair.
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Affiliation(s)
- Juliana Campo Garcia
- Experimental and Clinical Research Center, a Cooperation Between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Charité Universitätsmedizin Berlin, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Lindenberger Weg 80, 13125, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Roemel Jeusep Bueno
- Experimental and Clinical Research Center, a Cooperation Between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Charité Universitätsmedizin Berlin, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Lindenberger Weg 80, 13125, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
- Humboldt-Universität zu Berlin, Faculty of Life Sciences, 10099, Berlin, Germany
| | - Maren Salla
- Experimental and Clinical Research Center, a Cooperation Between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Charité Universitätsmedizin Berlin, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Lindenberger Weg 80, 13125, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Ivette Martorell-Serra
- Institute for Medical Immunology, Charité - Universitätsmedizin Berlin, 13353, Berlin, Germany
| | - Bibiane Seeger
- Experimental and Clinical Research Center, a Cooperation Between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Charité Universitätsmedizin Berlin, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Lindenberger Weg 80, 13125, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Nilufar Akbari
- Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Biometry and Clinical Epidemiology, Charitéplatz 1, 10117, Berlin, Germany
| | - Pia Sperber
- Experimental and Clinical Research Center, a Cooperation Between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Charité Universitätsmedizin Berlin, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Lindenberger Weg 80, 13125, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Harald Stachelscheid
- Stem Cell Core Facility, Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Carmen Infante-Duarte
- Experimental and Clinical Research Center, a Cooperation Between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Charité Universitätsmedizin Berlin, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Lindenberger Weg 80, 13125, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Friedemann Paul
- Experimental and Clinical Research Center, a Cooperation Between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Charité Universitätsmedizin Berlin, Berlin, Germany.
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Lindenberger Weg 80, 13125, Berlin, Germany.
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany.
| | - Sarah C Starossom
- Experimental and Clinical Research Center, a Cooperation Between the Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Charité Universitätsmedizin Berlin, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Experimental and Clinical Research Center, Lindenberger Weg 80, 13125, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
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16
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Huang Y, Wang M, Ni H, Zhang J, Li A, Hu B, Junqueira Alves C, Wahane S, Rios de Anda M, Ho L, Li Y, Kang S, Neff R, Kostic A, Buxbaum JD, Crary JF, Brennand KJ, Zhang B, Zou H, Friedel RH. Regulation of cell distancing in peri-plaque glial nets by Plexin-B1 affects glial activation and amyloid compaction in Alzheimer's disease. Nat Neurosci 2024:10.1038/s41593-024-01664-w. [PMID: 38802590 DOI: 10.1038/s41593-024-01664-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 04/22/2024] [Indexed: 05/29/2024]
Abstract
Communication between glial cells has a profound impact on the pathophysiology of Alzheimer's disease (AD). We reveal here that reactive astrocytes control cell distancing in peri-plaque glial nets, which restricts microglial access to amyloid deposits. This process is governed by guidance receptor Plexin-B1 (PLXNB1), a network hub gene in individuals with late-onset AD that is upregulated in plaque-associated astrocytes. Plexin-B1 deletion in a mouse AD model led to reduced number of reactive astrocytes and microglia in peri-plaque glial nets, but higher coverage of plaques by glial processes, along with transcriptional changes signifying reduced neuroinflammation. Additionally, a reduced footprint of glial nets was associated with overall lower plaque burden, a shift toward dense-core-type plaques and reduced neuritic dystrophy. Altogether, our study demonstrates that Plexin-B1 regulates peri-plaque glial net activation in AD. Relaxing glial spacing by targeting guidance receptors may present an alternative strategy to increase plaque compaction and reduce neuroinflammation in AD.
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Affiliation(s)
- Yong Huang
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Genetics and Genomic Sciences, Icahn Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Mount Sinai Center for Transformative Disease Modeling, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Minghui Wang
- Department of Genetics and Genomic Sciences, Icahn Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Mount Sinai Center for Transformative Disease Modeling, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Haofei Ni
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- School of Medicine, Tongji University, Shanghai, China
| | - Jinglong Zhang
- Department of Genetics and Genomic Sciences, Icahn Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Mount Sinai Center for Transformative Disease Modeling, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Aiqun Li
- Department of Genetics and Genomic Sciences, Icahn Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Mount Sinai Center for Transformative Disease Modeling, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Bin Hu
- Department of Genetics and Genomic Sciences, Icahn Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Mount Sinai Center for Transformative Disease Modeling, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Chrystian Junqueira Alves
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Shalaka Wahane
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Mitzy Rios de Anda
- Seaver Autism Center, Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Lap Ho
- Department of Genetics and Genomic Sciences, Icahn Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Mount Sinai Center for Transformative Disease Modeling, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Yuhuan Li
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Orthopedics, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'An, China
| | - Sangjo Kang
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ryan Neff
- Department of Genetics and Genomic Sciences, Icahn Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Mount Sinai Center for Transformative Disease Modeling, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ana Kostic
- Seaver Autism Center, Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Joseph D Buxbaum
- Seaver Autism Center, Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - John F Crary
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Pathology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Artificial Intelligence and Human Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Mount Sinai Neuropathology Brain Bank & Research Core, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Ronald M. Loeb Center for Alzheimer's Disease, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Kristen J Brennand
- Departments of Psychiatry and Genetics, Wu Tsai Institute, Yale University School of Medicine, New Haven, CT, USA
| | - Bin Zhang
- Department of Genetics and Genomic Sciences, Icahn Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Mount Sinai Center for Transformative Disease Modeling, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Hongyan Zou
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Roland H Friedel
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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17
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Do KK, Wang F, Sun X, Zhang Y, Liang W, Liu JY, Jiang DY, Lu X, Wang W, Zhang L, Dean DC, Liu Y. Conditional deletion of Zeb1 in Csf1r + cells reduces inflammatory response of the cornea to alkali burn. iScience 2024; 27:109694. [PMID: 38660397 PMCID: PMC11039400 DOI: 10.1016/j.isci.2024.109694] [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: 10/31/2023] [Revised: 01/29/2024] [Accepted: 04/05/2024] [Indexed: 04/26/2024] Open
Abstract
ZEB1 is an essential factor in embryonic development. In adults, it is often highly expressed in malignant tumors with low expression in normal tissues. The major biological function of ZEB1 in developing embryos and progressing cancers is to transdifferentiate cells from an epithelial to mesenchymal phenotype; but what roles ZEB1 plays in normal adult tissues are largely unknown. We previously reported that the reduction of Zeb1 in monoallelic global knockout (Zeb1+/-) mice reduced corneal inflammation-associated neovascularization following alkali burn. To uncover the cellular mechanism underlying the Zeb1 regulation of corneal inflammation, we functionally deleted Zeb1 alleles in Csf1r+ myeloid cells using a conditional knockout (cKO) strategy and found that Zeb1 cKO reduced leukocytes in the cornea after alkali burn. The reduction of immune cells was due to their increased apoptotic rate and linked to a Zeb1-downregulated apoptotic pathway. We conclude that Zeb1 facilitates corneal inflammatory response by maintaining Csf1r+ cell viability.
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Affiliation(s)
- Khoi K. Do
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Fuhua Wang
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Eye Institute and Eye Hospital of Shangdong First Medical University, Jinan 250021, China
| | - Xiaolei Sun
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Eye Institute and Eye Hospital of Shangdong First Medical University, Jinan 250021, China
| | - Yingnan Zhang
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
- The Rosenberg School of Optometry, University of the Incarnate Word, San Antonio, TX 78229, USA
| | - Wei Liang
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Department of Ophthalmology, Third People’s Hospital of Dalian, Dalian Medical University, Dalian 116033, China
| | - John Y. Liu
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Daniel Y. Jiang
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Xiaoqin Lu
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Wei Wang
- Department of Ophthalmology and Visual Sciences, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Lijun Zhang
- Department of Ophthalmology, Third People’s Hospital of Dalian, Dalian Medical University, Dalian 116033, China
| | - Douglas C. Dean
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Department of Ophthalmology and Visual Sciences, University of Louisville School of Medicine, Louisville, KY 40202, USA
- James Brown Cancer Center, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Yongqing Liu
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Department of Ophthalmology and Visual Sciences, University of Louisville School of Medicine, Louisville, KY 40202, USA
- James Brown Cancer Center, University of Louisville School of Medicine, Louisville, KY 40202, USA
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18
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Green TRF, Rowe RK. Quantifying microglial morphology: an insight into function. Clin Exp Immunol 2024; 216:221-229. [PMID: 38456795 PMCID: PMC11097915 DOI: 10.1093/cei/uxae023] [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: 01/17/2024] [Accepted: 03/06/2024] [Indexed: 03/09/2024] Open
Abstract
Microglia are specialized immune cells unique to the central nervous system (CNS). Microglia have a highly plastic morphology that changes rapidly in response to injury or infection. Qualitative and quantitative measurements of ever-changing microglial morphology are considered a cornerstone of many microglia-centric research studies. The distinctive morphological variations seen in microglia are a useful marker of inflammation and severity of tissue damage. Although a wide array of damage-associated microglial morphologies has been documented, the exact functions of these distinct morphologies are not fully understood. In this review, we discuss how microglia morphology is not synonymous with microglia function, however, morphological outcomes can be used to make inferences about microglial function. For a comprehensive examination of the reactive status of a microglial cell, both histological and genetic approaches should be combined. However, the importance of quality immunohistochemistry-based analyses should not be overlooked as they can succinctly answer many research questions.
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Affiliation(s)
- Tabitha R F Green
- Department of Integrative Physiology, The University of Colorado Boulder, Boulder, CO, USA
| | - Rachel K Rowe
- Department of Integrative Physiology, The University of Colorado Boulder, Boulder, CO, USA
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19
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Devlin BA, Nguyen DM, Grullon G, Clark MJ, Ceasrine AM, Deja M, Shah A, Ati S, Finn A, Ribeiro D, Schaefer A, Bilbo SD. Neuron Derived Cytokine Interleukin-34 Controls Developmental Microglia Function. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.10.589920. [PMID: 38766127 PMCID: PMC11100801 DOI: 10.1101/2024.05.10.589920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Neuron-microglia interactions dictate the development of neuronal circuits in the brain. However, the factors that support and broadly regulate these processes across developmental stages are largely unknown. Here, we find that IL34, a neuron-derived cytokine, is upregulated in development and plays a critical role in supporting and maintaining neuroprotective, mature microglia in the anterior cingulate cortex (ACC) of mice. We show that IL34 mRNA and protein is upregulated in neurons in the second week of postnatal life and that this increase coincides with increases in microglia number and expression of mature, homeostatic markers, e.g., TMEM119. We also found that IL34 mRNA is higher in more active neurons, and higher in excitatory (compared to inhibitory) neurons. Genetic KO of IL34 prevents the functional maturation of microglia and results in an anxiolytic phenotype in these mice by adulthood. Acute, low dose blocking of IL34 at postnatal day (P)15 in mice decreased microglial TMEM119 expression and increased aberrant microglial phagocytosis of thalamocortical synapses within the ACC. In contrast, viral overexpression of IL34 early in life (P1-P8) caused early maturation of microglia and prevented microglial phagocytosis of thalamocortical synapses during the appropriate neurodevelopmental refinement window. Taken together, these findings establish IL34 as a key regulator of neuron-microglia crosstalk in postnatal brain development, controlling both microglial maturation and synapse engulfment.
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20
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Solomou G, Young AMH, Bulstrode HJCJ. Microglia and macrophages in glioblastoma: landscapes and treatment directions. Mol Oncol 2024. [PMID: 38712663 DOI: 10.1002/1878-0261.13657] [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: 11/28/2023] [Revised: 02/29/2024] [Accepted: 04/19/2024] [Indexed: 05/08/2024] Open
Abstract
Glioblastoma is the most common primary malignant tumour of the central nervous system and remains uniformly and rapidly fatal. The tumour-associated macrophage (TAM) compartment comprises brain-resident microglia and bone marrow-derived macrophages (BMDMs) recruited from the periphery. Immune-suppressive and tumour-supportive TAM cell states predominate in glioblastoma, and immunotherapies, which have achieved striking success in other solid tumours have consistently failed to improve survival in this 'immune-cold' niche context. Hypoxic and necrotic regions in the tumour core are found to enrich, especially in anti-inflammatory and immune-suppressive TAM cell states. Microglia predominate at the invasive tumour margin and express pro-inflammatory and interferon TAM cell signatures. Depletion of TAMs, or repolarisation towards a pro-inflammatory state, are appealing therapeutic strategies and will depend on effective understanding and classification of TAM cell ontogeny and state based on new single-cell and spatial multi-omic in situ profiling. Here, we explore the application of these datasets to expand and refine TAM characterisation, to inform improved modelling approaches, and ultimately underpin the effective manipulation of function.
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Affiliation(s)
- Georgios Solomou
- Wellcome MRC Cambridge Stem Cell Institute, University of Cambridge, UK
- Department of Neurosurgery, Addenbrooke's Hospital, Cambridge, UK
| | - Adam M H Young
- Wellcome MRC Cambridge Stem Cell Institute, University of Cambridge, UK
- Department of Neurosurgery, Addenbrooke's Hospital, Cambridge, UK
| | - Harry J C J Bulstrode
- Wellcome MRC Cambridge Stem Cell Institute, University of Cambridge, UK
- Department of Neurosurgery, Addenbrooke's Hospital, Cambridge, UK
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21
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Yu M, Wu Y, Li Q, Hong W, Yang Y, Hu X, Yang Y, Lu T, Zhao X, Wei X. Colony-stimulating factor-1 receptor inhibition combined with paclitaxel exerts effective antitumor effects in the treatment of ovarian cancer. Genes Dis 2024; 11:100989. [PMID: 38303927 PMCID: PMC10831816 DOI: 10.1016/j.gendis.2023.04.023] [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] [Received: 11/28/2022] [Accepted: 04/08/2023] [Indexed: 02/03/2024] Open
Abstract
Ovarian cancer is the tumor with the highest mortality among gynecological malignancies. Studies have confirmed that paclitaxel chemoresistance is associated with increased infiltration of tumor-associated macrophages (TAMs) in the microenvironment. Colony-stimulating factor 1 (CSF-1) receptor (CSF-1R) plays a key role in regulating the number and differentiation of macrophages in certain solid tumors. There are few reports on the effects of targeted inhibition of CSF-1R in combination with chemotherapy on ovarian cancer and the tumor microenvironment. Here, we explored the antitumor efficacy and possible mechanisms of the CSF - 1R inhibitor pexidartinib (PLX3397) when combined with the first-line chemotherapeutic agent paclitaxel in the treatment of ovarian cancer. We found that CSF-1R is highly expressed in ovarian cancer cells and correlates with poor prognosis. Treatment by PLX3397 in combination with paclitaxel significantly inhibited the growth of ovarian cancer both in vitro and in vivo. Blockade of CSF-1R altered the macrophage phenotype and reprogrammed the immunosuppressive cell population in the tumor microenvironment.
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Affiliation(s)
- Meijia Yu
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, Sichuan 610041, China
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - Yiming Wu
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Qingfang Li
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Weiqi Hong
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yang Yang
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xiaoyi Hu
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yanfei Yang
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Tianqi Lu
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xia Zhao
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
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22
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Sobah ML, Liongue C, Ward AC. Stat3 Regulates Developmental Hematopoiesis and Impacts Myeloid Cell Function via Canonical and Non-Canonical Modalities. J Innate Immun 2024; 16:262-282. [PMID: 38643762 DOI: 10.1159/000538364] [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: 09/17/2023] [Accepted: 03/12/2024] [Indexed: 04/23/2024] Open
Abstract
INTRODUCTION Signal transducer and activator of transcription (STAT) 3 is extensively involved in the development, homeostasis, and function of immune cells, with STAT3 disruption associated with human immune-related disorders. The roles ascribed to STAT3 have been assumed to be due to its canonical mode of action as an inducible transcription factor downstream of multiple cytokines, although alternative noncanonical functional modalities have also been identified. The relative involvement of each mode was further explored in relevant zebrafish models. METHODS Genome editing with CRISPR/Cas9 was used to generate mutants of the conserved zebrafish Stat3 protein: a loss of function knockout (KO) mutant and a mutant lacking C-terminal sequences including the transactivation domain (ΔTAD). Lines harboring these mutations were analyzed with respect to blood and immune cell development and function in comparison to wild-type zebrafish. RESULTS The Stat3 KO mutant showed perturbation of hematopoietic lineages throughout primitive and early definitive hematopoiesis. Neutrophil numbers did not increase in response to lipopolysaccharide (LPS) or granulocyte colony-stimulating factor (G-CSF) and their migration was significantly diminished, the latter correlating with abrogation of the Cxcl8b/Cxcr2 pathway, with macrophage responses perturbed. Intriguingly, many of these phenotypes were not shared by the Stat3 ΔTAD mutant. Indeed, only neutrophil and macrophage development were disrupted in these mutants with responsiveness to LPS and G-CSF maintained, and neutrophil migration actually increased. CONCLUSION This study has identified roles for zebrafish Stat3 within hematopoietic stem cells impacting multiple lineages throughout primitive and early definitive hematopoiesis, myeloid cell responses to G-CSF and LPS and neutrophil migration. Many of these roles showed conservation, but notably several involved noncanonical modalities, providing additional insights for relevant diseases.
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Affiliation(s)
| | - Clifford Liongue
- School of Medicine, Deakin University, Geelong, Victoria, Australia
- Institute of Mental and Physical Health and Clinical Translation (IMPACT), Deakin University, Geelong, Victoria, Australia
| | - Alister C Ward
- School of Medicine, Deakin University, Geelong, Victoria, Australia
- Institute of Mental and Physical Health and Clinical Translation (IMPACT), Deakin University, Geelong, Victoria, Australia
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23
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Wang M, Caryotakis SE, Smith GG, Nguyen AV, Pleasure DE, Soulika AM. CSF1R antagonism results in increased supraspinal infiltration in EAE. J Neuroinflammation 2024; 21:103. [PMID: 38643194 PMCID: PMC11031888 DOI: 10.1186/s12974-024-03063-1] [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: 07/02/2023] [Accepted: 03/11/2024] [Indexed: 04/22/2024] Open
Abstract
BACKGROUND Colony stimulating factor 1 receptor (CSF1R) signaling is crucial for the maintenance and function of various myeloid subsets. CSF1R antagonism was previously shown to mitigate clinical severity in experimental autoimmune encephalomyelitis (EAE). The associated mechanisms are still not well delineated. METHODS To assess the effect of CSF1R signaling, we employed the CSF1R antagonist PLX5622 formulated in chow (PLX5622 diet, PD) and its control chow (control diet, CD). We examined the effect of PD in steady state and EAE by analyzing cells isolated from peripheral immune organs and from the CNS via flow cytometry. We determined CNS infiltration sites and assessed the extent of demyelination using immunohistochemistry of cerebella and spinal cords. Transcripts of genes associated with neuroinflammation were also analyzed in these tissues. RESULTS In addition to microglial depletion, PD treatment reduced dendritic cells and macrophages in peripheral immune organs, both during steady state and during EAE. Furthermore, CSF1R antagonism modulated numbers and relative frequencies of T effector cells both in the periphery and in the CNS during the early stages of the disease. Classical neurological symptoms were milder in PD compared to CD mice. Interestingly, a subset of PD mice developed atypical EAE symptoms. Unlike previous studies, we observed that the CNS of PD mice was infiltrated by increased numbers of peripheral immune cells compared to that of CD mice. Immunohistochemical analysis showed that CNS infiltrates in PD mice were mainly localized in the cerebellum while in CD mice infiltrates were primarily localized in the spinal cords during the onset of neurological deficits. Accordingly, during the same timepoint, cerebella of PD but not of CD mice had extensive demyelinating lesions, while spinal cords of CD but not of PD mice were heavily demyelinated. CONCLUSIONS Our findings suggest that CSF1R activity modulates the cellular composition of immune cells both in the periphery and within the CNS, and affects lesion localization during the early EAE stages.
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Affiliation(s)
- Marilyn Wang
- Department of Dermatology, School of Medicine, University of California, Davis, Sacramento, CA, USA
| | - Sofia E Caryotakis
- Shriners Hospitals for Children, Northern California, Sacramento, CA, USA
- University of California, San Francisco, San Francisco, CA, USA
| | - Glendalyn G Smith
- Shriners Hospitals for Children, Northern California, Sacramento, CA, USA
| | - Alan V Nguyen
- Department of Dermatology, School of Medicine, University of California, Davis, Sacramento, CA, USA
- Sutro Biosciences, South San Francisco, CA, USA
| | - David E Pleasure
- Shriners Hospitals for Children, Northern California, Sacramento, CA, USA
- Department of Neurology, School of Medicine, University of California, Davis, Sacramento, CA, USA
| | - Athena M Soulika
- Department of Dermatology, School of Medicine, University of California, Davis, Sacramento, CA, USA.
- Shriners Hospitals for Children, Northern California, Sacramento, CA, USA.
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24
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Loginova N, Aniskin D, Timashev P, Ulasov I, Kharwar RK. GBM Immunotherapy: Macrophage Impacts. Immunol Invest 2024:1-22. [PMID: 38634572 DOI: 10.1080/08820139.2024.2337022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
BACKGROUND Glioblastoma (GBM) is an extremely aggressive form of brain tumor with low survival rates. Current treatments such as chemotherapy, radiation, and surgery are problematic due to tumor growth, invasion, and tumor microenvironment. GBM cells are resistant to these standard treatments, and the heterogeneity of the tumor makes it difficult to find a universal approach. Progression of GBM and acquisition of resistance to therapy are due to the complex interplay between tumor cells and the TME. A significant portion of the TME consists of an inflammatory infiltrate, with microglia and macrophages being the predominant cells. METHODS Analysis of the literature data over a course of 5 years suggest that the tumor-associated macrophages (TAMs) are capable of releasing cytokines and growth factors that promote tumor proliferation, survival, and metastasis while inhibiting immune cell function at the same time. RESULTS Thus, immunosuppressive state, provided with this intensively studied kind of TME cells, is supposed to promote GBM development through TAMs modulation of tumor treatment-resistance and aggressiveness. Therefore, TAMs are an attractive therapeutic target in the treatment of glioblastoma. CONCLUSION This review provides a comprehensive overview of the latest research on the nature of TAMs and the development of therapeutic strategies targeting TAMs, focusing on the variety of macrophage properties, being modulated, as well as molecular targets.
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Affiliation(s)
- Nina Loginova
- Group of Experimental Biotherapy and Diagnostics, Institute for Regenerative Medicine, World-Class Research Centre "Digital Biodesign and Personalized Healthcare", I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Denis Aniskin
- Group of Experimental Biotherapy and Diagnostics, Institute for Regenerative Medicine, World-Class Research Centre "Digital Biodesign and Personalized Healthcare", I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Peter Timashev
- World-Class Research Centre "Digital Biodesign and Personalized Healthcare", Sechenov First Moscow State Medical University, Moscow, Russia
| | - Ilya Ulasov
- Group of Experimental Biotherapy and Diagnostics, Institute for Regenerative Medicine, World-Class Research Centre "Digital Biodesign and Personalized Healthcare", I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Rajesh Kumar Kharwar
- Endocrine Research Laboratory, Department of Zoology, University of Lucknow, Lucknow, India
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25
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Karahan D, Bolayir HA, Bolayir A, Demir B, Otlu Ö, Erdem M. Can serum interleukin 34 levels be used as an indicator for the prediction and prognosis of COVID-19? PLoS One 2024; 19:e0302002. [PMID: 38626032 PMCID: PMC11020891 DOI: 10.1371/journal.pone.0302002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 03/25/2024] [Indexed: 04/18/2024] Open
Abstract
OBJECTIVE Interleukin 34 (IL-34) is a molecule whose expression is increased in conditions such as autoimmune disorders, inflammation, and infections. Our study aims to determine the role of IL-34 in the diagnosis, follow-up, and prognosis of Coronavirus Disease-19 (COVID-19). METHOD A total of 80 cases were included in the study as 40 COVID-19 positive patient groups and 40 COVID-19 negative control groups. The COVID-19-positive group consisted of 20 intensive-care unit (ICU) patients and 20 outpatients. Serum IL-34, c-reactive protein (CRP), ferritin, D-dimer, troponin I, hemogram, and biochemical parameters of the cases were studied and compared between groups. RESULTS IL-34 levels were significantly higher in the COVID-19-positive group than in the negative group. IL-34 levels increased in correlation with CRP in predicting the diagnosis of COVID-19. IL-34 levels higher than 31.75 pg/m predicted a diagnosis of COVID-19. IL-34 levels did not differ between the outpatient and ICU groups in COVID-19-positive patients. IL-34 levels were also not different between those with and without lung involvement. CONCLUSION While IL-34 levels increased in COVID-19-positive patients and were successful in predicting the diagnosis of COVID-19, it was not found to be significant in determining lung involvement, risk of intensive care hospitalization, and prognosis. The role of IL-34 in COVID-19 deserves further evaluation.
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Affiliation(s)
- Doğu Karahan
- Department of Internal Medicine, Malatya Turgut Özal University School of Medicine, Malatya, Turkey
| | - Hasan Ata Bolayir
- Department of Cardiology, Malatya Turgut Özal University School of Medicine, Malatya, Turkey
| | - Aslı Bolayir
- Department of Neurology, Malatya Turgut Özal University School of Medicine, Malatya, Turkey
| | - Bilgehan Demir
- Department of Emergency Medicine, Malatya Turgut Özal University School of Medicine, Malatya, Turkey
| | - Önder Otlu
- Department of Medical Biochemistry, Malatya Turgut Özal University School of Medicine, Malatya, Turkey
| | - Mehmet Erdem
- Department of Medical Biochemistry, Malatya Turgut Özal University School of Medicine, Malatya, Turkey
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26
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Yu Z, Zou J, Xu F. Tumor-associated macrophages affect the treatment of lung cancer. Heliyon 2024; 10:e29332. [PMID: 38623256 PMCID: PMC11016713 DOI: 10.1016/j.heliyon.2024.e29332] [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: 12/26/2023] [Revised: 04/03/2024] [Accepted: 04/05/2024] [Indexed: 04/17/2024] Open
Abstract
As one of the most common malignant tumors in the world, lung cancer has limited benefits for patients despite its diverse treatment methods due to factors such as personalized medicine targeting histological type, immune checkpoint expression, and driver gene mutations. The high mortality rate of lung cancer is partly due to the immune-suppressive which limits the effectiveness of anti-cancer drugs and induces tumor cell resistance. The currently widely recognized TAM phenotypes include the anti-tumor M1 and pro-tumor M2 phenotypes. M2 macrophages promote the formation of an immune-suppressive microenvironment and hinder immune cell infiltration, thereby inhibiting activation of the anti-tumor immune system and aiding tumor cells in resisting treatment. Analyzing the relationship between different treatment methods and macrophages in the TME can help us better understand the impact of TAMs on lung cancer and confirm the feasibility of targeted TAM therapy. Targeting TAMs to reduce the M2/M1 ratio and reverse the immune-suppressive microenvironment can improve the clinical efficacy of conventional treatment methods and potentially open up more efficient combination treatment strategies, maximizing the benefit for lung cancer patients.
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Affiliation(s)
- Zhuchen Yu
- Clinical Medicine, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, China
| | - Juntao Zou
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, China
| | - Fei Xu
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, China
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27
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Kim W, Kim M, Kim B. Unraveling the enigma: housekeeping gene Ugt1a7c as a universal biomarker for microglia. Front Psychiatry 2024; 15:1364201. [PMID: 38666091 PMCID: PMC11043603 DOI: 10.3389/fpsyt.2024.1364201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Background Microglia, brain resident macrophages, play multiple roles in maintaining homeostasis, including immunity, surveillance, and protecting the central nervous system through their distinct activation processes. Identifying all types of microglia-driven populations is crucial due to the presence of various phenotypes that differ based on developmental stages or activation states. During embryonic development, the E8.5 yolk sac contains erythromyeloid progenitors that go through different growth phases, eventually resulting in the formation of microglia. In addition, microglia are present in neurological diseases as a diverse population. So far, no individual biomarker for microglia has been discovered that can accurately identify and monitor their development and attributes. Summary Here, we highlight the newly defined biomarker of mouse microglia, UGT1A7C, which exhibits superior stability in expression during microglia development and activation compared to other known microglia biomarkers. The UGT1A7C sensing chemical probe labels all microglia in the 3xTG AD mouse model. The expression of Ugt1a7c is stable during development, with only a 4-fold variation, while other microglia biomarkers, such as Csf1r and Cx3cr1, exhibit at least a 10-fold difference. The UGT1A7C expression remains constant throughout its lifespan. In addition, the expression and activity of UGT1A7C are the same in response to different types of inflammatory activators' treatment in vitro. Conclusion We propose employing UGT1A7C as the representative biomarker for microglia, irrespective of their developmental state, age, or activation status. Using UGT1A7C can reduce the requirement for using multiple biomarkers, enhance the precision of microglia analysis, and even be utilized as a standard for gene/protein expression.
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Affiliation(s)
| | | | - Beomsue Kim
- Neural Circuit Research Group, Korea Brain Research Institute, Daegu, Republic of Korea
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Chen X, Cui Y, Zou L. Treatment advances in high-grade gliomas. Front Oncol 2024; 14:1287725. [PMID: 38660136 PMCID: PMC11039916 DOI: 10.3389/fonc.2024.1287725] [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] [Received: 09/02/2023] [Accepted: 03/25/2024] [Indexed: 04/26/2024] Open
Abstract
High-grade gliomas (HGG) pose significant challenges in modern tumour therapy due to the distinct biological properties and limitations of the blood-brain barrier. This review discusses recent advancements in HGG treatment, particularly in the context of immunotherapy and cellular therapy. Initially, treatment strategies focus on targeting tumour cells guided by the molecular characteristics of various gliomas, encompassing chemotherapy, radiotherapy and targeted therapy for enhanced precision. Additionally, technological enhancements are augmenting traditional treatment modalities. Furthermore, immunotherapy, emphasising comprehensive tumour management, has gained widespread attention. Immune checkpoint inhibitors, vaccines and CAR-T cells exhibit promising efficacy against recurrent HGG. Moreover, emerging therapies such as tumour treating fields (TTFields) offer additional treatment avenues for patients with HGG. The combination of diverse treatments holds promise for improving the prognosis of HGG, particularly in cases of recurrence.
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Affiliation(s)
- Xi Chen
- Department of Radiotherapy, Cancer Center, West China Hospital of Sichuan University, Chengdu, China
| | - Yi Cui
- State Key Laboratory of Biotherapy, Sichuan University, Chengdu, China
| | - Liqun Zou
- Department of Medical Oncology, Cancer Center, West China Hospital of Sichuan University, Chengdu, China
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Chen J, Wang H, Wu S, Zhang A, Qiu Z, Huang P, Qu JY, Xu J. col1a2+ fibroblasts/muscle progenitors finetune xanthophore countershading by differentially expressing csf1a/1b in embryonic zebrafish. SCIENCE ADVANCES 2024; 10:eadj9637. [PMID: 38578990 PMCID: PMC10997200 DOI: 10.1126/sciadv.adj9637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 02/29/2024] [Indexed: 04/07/2024]
Abstract
Animals evolve diverse pigment patterns to adapt to the natural environment. Countershading, characterized by a dark-colored dorsum and a light-colored ventrum, is one of the most prevalent pigment patterns observed in vertebrates. In this study, we reveal a mechanism regulating xanthophore countershading in zebrafish embryos. We found that csf1a and csf1b mutants altered xanthophore countershading differently: csf1a mutants lack ventral xanthophores, while csf1b mutants have reduced dorsal xanthophores. Further study revealed that csf1a is expressed throughout the trunk, whereas csf1b is expressed dorsally. Ectopic expression of csf1a or csf1b in neurons attracted xanthophores into the spinal cord. Blocking csf1 signaling by csf1ra mutants disrupts spinal cord distribution and normal xanthophores countershading. Single-cell RNA sequencing identified two col1a2+ populations: csf1ahighcsf1bhigh muscle progenitors and csf1ahighcsf1blow fibroblast progenitors. Ablation of col1a2+ fibroblast and muscle progenitors abolished xanthophore patterns. Our study suggests that fibroblast and muscle progenitors differentially express csf1a and csf1b to modulate xanthophore patterning, providing insights into the mechanism of countershading.
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Affiliation(s)
- Jiahao Chen
- Department of Neurology, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510006, China
- Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou 510006, China
| | - Honggao Wang
- Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou 510006, China
| | - Shuting Wu
- Department of Neurobiology, Harvard Medical School, 220 Longwood Avenue, Boston, MA 02115, USA
| | - Ao Zhang
- Division of Life Science, State Key Laboratory of Molecular Neuroscience, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, PRC
| | - Zhongkai Qiu
- Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou 510006, China
| | - Peng Huang
- Department of Biochemistry and Molecular Biology, Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Jianan Y Qu
- Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Kowloon, China
| | - Jin Xu
- Department of Neurology, the Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510006, China
- Innovation Centre of Ministry of Education for Development and Diseases, School of Medicine, South China University of Technology, Guangzhou 510006, China
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Yi L, Gai Y, Chen Z, Tian K, Liu P, Liang H, Xu X, Peng Q, Luo X. Macrophage colony-stimulating factor and its role in the tumor microenvironment: novel therapeutic avenues and mechanistic insights. Front Oncol 2024; 14:1358750. [PMID: 38646440 PMCID: PMC11027505 DOI: 10.3389/fonc.2024.1358750] [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] [Received: 12/20/2023] [Accepted: 03/12/2024] [Indexed: 04/23/2024] Open
Abstract
The tumor microenvironment is a complex ecosystem where various cellular and molecular interactions shape the course of cancer progression. Macrophage colony-stimulating factor (M-CSF) plays a pivotal role in this context. This study delves into the biological properties and functions of M-CSF in regulating tumor-associated macrophages (TAMs) and its role in modulating host immune responses. Through the specific binding to its receptor colony-stimulating factor 1 receptor (CSF-1R), M-CSF orchestrates a cascade of downstream signaling pathways to modulate macrophage activation, polarization, and proliferation. Furthermore, M-CSF extends its influence to other immune cell populations, including dendritic cells. Notably, the heightened expression of M-CSF within the tumor microenvironment is often associated with dismal patient prognoses. Therefore, a comprehensive investigation into the roles of M-CSF in tumor growth advances our comprehension of tumor development mechanisms and unveils promising novel strategies and approaches for cancer treatment.
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Affiliation(s)
- Li Yi
- Medical Technology College of Qiqihar Medical College, Qiqihar, Heilongjiang, China
| | - Yihan Gai
- School of Stomatology, Qiqihar Medical College, Qiqihar, Heilongjiang, China
| | - Zhuo Chen
- Medical Technology College of Qiqihar Medical College, Qiqihar, Heilongjiang, China
| | - Kecan Tian
- Medical Technology College of Qiqihar Medical College, Qiqihar, Heilongjiang, China
| | - Pengfei Liu
- School of Basic Medical Sciences, Qiqihar Medical College, Qiqihar, Heilongjiang, China
| | - Hongrui Liang
- School of Basic Medical Sciences, Qiqihar Medical College, Qiqihar, Heilongjiang, China
| | - Xinyu Xu
- Medical Technology College of Qiqihar Medical College, Qiqihar, Heilongjiang, China
| | - Qiuyi Peng
- School of Basic Medical Sciences, Qiqihar Medical College, Qiqihar, Heilongjiang, China
| | - Xiaoqing Luo
- Medical Technology College of Qiqihar Medical College, Qiqihar, Heilongjiang, China
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Fang B, Lu Y, Li X, Wei Y, Ye D, Wei G, Zhu Y. Targeting the tumor microenvironment, a new therapeutic approach for prostate cancer. Prostate Cancer Prostatic Dis 2024:10.1038/s41391-024-00825-z. [PMID: 38565910 DOI: 10.1038/s41391-024-00825-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/17/2024] [Accepted: 03/21/2024] [Indexed: 04/04/2024]
Abstract
BACKGROUND A growing number of studies have shown that in addition to adaptive immune cells such as CD8 + T cells and CD4 + T cells, various other cellular components within prostate cancer (PCa) tumor microenvironment (TME), mainly tumor-associated macrophages (TAMs), cancer-associated fibroblasts (CAFs) and myeloid-derived suppressor cells (MDSCs), have been increasingly recognized as important modulators of tumor progression and promising therapeutic targets. OBJECTIVE In this review, we aim to delineate the mechanisms by which TAMs, CAFs and MDSCs interact with PCa cells in the TME, summarize the therapeutic advancements targeting these cells and discuss potential new therapeutic avenues. METHODS We searched PubMed for relevant studies published through December 10 2023 on TAMs, CAFs and MDSCs in PCa. RESULTS TAMs, CAFs and MDSCs play a critical role in the tumorigenesis, progression, and metastasis of PCa. Moreover, they substantially mediate therapeutic resistance against conventional treatments including anti-androgen therapy, chemotherapy, and immunotherapy. Therapeutic interventions targeting these cellular components have demonstrated promising effects in preclinical models and several clinical trials for PCa, when administrated alone, or combined with other anti-cancer therapies. However, the lack of reliable biomarkers for patient selection and incomplete understanding of the mechanisms underlying the interactions between these cellular components and PCa cells hinder their clinical translation and utility. CONCLUSION New therapeutic strategies targeting TAMs, CAFs, and MDSCs in PCa hold promising prospects. Future research endeavors should focus on a more comprehensive exploration of the specific mechanisms by which these cells contribute to PCa, aiming to identify additional drug targets and conduct more clinical trials to validate the safety and efficacy of these treatment strategies.
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Affiliation(s)
- Bangwei Fang
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China
| | - Ying Lu
- Key Laboratory of Metabolism and Molecular Medicine of the Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences, Shanghai Medical College of Fudan University, Shanghai, China
| | - Xiaomeng Li
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China
| | - Yu Wei
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China
| | - Dingwei Ye
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China
| | - Gonghong Wei
- Key Laboratory of Metabolism and Molecular Medicine of the Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences, Shanghai Medical College of Fudan University, Shanghai, China
| | - Yao Zhu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China.
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China.
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Suryavanshi P, Bodas D. Knockout cancer by nano-delivered immunotherapy using perfusion-aided scaffold-based tumor-on-a-chip. Nanotheranostics 2024; 8:380-400. [PMID: 38751938 PMCID: PMC11093718 DOI: 10.7150/ntno.87818] [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: 12/01/2023] [Accepted: 01/20/2024] [Indexed: 05/18/2024] Open
Abstract
Cancer is a multifactorial disease produced by mutations in the oncogenes and tumor suppressor genes, which result in uncontrolled cell proliferation and resistance to cell death. Cancer progresses due to the escape of altered cells from immune monitoring, which is facilitated by the tumor's mutual interaction with its microenvironment. Understanding the mechanisms involved in immune surveillance evasion and the significance of the tumor microenvironment might thus aid in developing improved therapies. Although in vivo models are commonly utilized, they could be better for time, cost, and ethical concerns. As a result, it is critical to replicate an in vivo model and recreate the cellular and tissue-level functionalities. A 3D cell culture, which gives a 3D architecture similar to that found in vivo, is an appropriate model. Furthermore, numerous cell types can be cocultured, establishing cellular interactions between TME and tumor cells. Moreover, microfluidics perfusion can provide precision flow rates, thus simulating tissue/organ function. Immunotherapy can be used with the perfused 3D cell culture technique to help develop successful therapeutics. Immunotherapy employing nano delivery can target the spot and silence the responsible genes, ensuring treatment effectiveness while minimizing adverse effects. This study focuses on the importance of 3D cell culture in understanding the pathophysiology of 3D tumors and TME, the function of TME in drug resistance, tumor progression, and the development of advanced anticancer therapies for high-throughput drug screening.
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Affiliation(s)
- Pooja Suryavanshi
- Nanobioscience Group, Agharkar Research Institute, G.G. Agarkar Road, Pune 411 004 India
- Savitribai Phule Pune University, Ganeshkhind Road, Pune 411 007 India
| | - Dhananjay Bodas
- Nanobioscience Group, Agharkar Research Institute, G.G. Agarkar Road, Pune 411 004 India
- Savitribai Phule Pune University, Ganeshkhind Road, Pune 411 007 India
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Yang H, Lei Z, He J, Zhang L, Lai T, Zhou L, Wang N, Tang Z, Sui J, Wu Y. Single-cell RNA sequencing reveals recruitment of the M2-like CCL8 high macrophages in Lewis lung carcinoma-bearing mice following hypofractionated radiotherapy. J Transl Med 2024; 22:306. [PMID: 38528587 PMCID: PMC10964592 DOI: 10.1186/s12967-024-05118-6] [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: 01/25/2024] [Accepted: 03/20/2024] [Indexed: 03/27/2024] Open
Abstract
BACKGROUND Tumor-associated macrophages (TAMs) play a pivotal role in reshaping the tumor microenvironment following radiotherapy. The mechanisms underlying this reprogramming process remain to be elucidated. METHODS Subcutaneous Lewis lung carcinoma (LLC) murine model was treated with hypofrationated radiotherapy (8 Gy × 3F). Single-cell RNA sequencing was utilized to identify subclusters and functions of TAMs. Multiplex assay and enzyme-linked immunosorbent assay (ELISA) were employed to measure serum chemokine levels. Bindarit was used to inhibit CCL8, CCL7, and CCL2. The infiltration of TAMs after combination treatment with hypofractionated radiotherapy and Bindarit was quantified with flow cytometry, while the influx of CD206 and CCL8 was assessed by immunostaining. RESULTS Transcriptome analysis identified a distinct subset of M2-like macrophages characterized by elevated Ccl8 expression level following hypofractionated radiotherapy in LLC-bearing mice. Remarkbly, hypofractionated radiotherapy not only promoted CCL8high macrophages infiltration but also reprogrammed them by upregulating immunosuppressive genes, thereby fostering an immunosuppressive tumor microenvironment. Additioinally, hypofractionated radiotherapy enhanced the CCL signaling pathway, augmenting the pro-tumorigenic functions of CCL8high macrophages and boosting TAMs recruitment. The adjunctive treatment combining hypofractionated radiotherapy with Bindarit effectively reduced M2 macrophages infiltration and prolonged the duration of local tumor control. CONCLUSIONS Hypofractionated radiotherapy enhances the infiltration of CCL8high macrophages and amplifies their roles in macrophage recruitment through the CCL signaling pathway, leading to an immunosuppressive tumor microenvironment. These findings highlight the potential of targeting TAMs and introduces a novel combination to improve the efficacy of hypofractionated radiotherapy.
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Affiliation(s)
- Haonan Yang
- School of Medicine, Chongqing University, Chongqing, 400044, China
| | - Zheng Lei
- School of Medicine, Chongqing University, Chongqing, 400044, China
| | - Jiang He
- School of Medicine, Chongqing University, Chongqing, 400044, China
| | - Lu Zhang
- School of Medicine, Chongqing University, Chongqing, 400044, China
| | - Tangmin Lai
- Radiation Oncology Center, Chongqing University Cancer Hospital, No. 181 Hanyu Road, Shapingba District, Chongqing, 400030, China
| | - Liu Zhou
- Radiation Oncology Center, Chongqing University Cancer Hospital, No. 181 Hanyu Road, Shapingba District, Chongqing, 400030, China
| | - Nuohan Wang
- School of Medicine, Chongqing University, Chongqing, 400044, China
| | - Zheng Tang
- Radiation Oncology Center, Chongqing University Cancer Hospital, No. 181 Hanyu Road, Shapingba District, Chongqing, 400030, China
| | - Jiangdong Sui
- Radiation Oncology Center, Chongqing University Cancer Hospital, No. 181 Hanyu Road, Shapingba District, Chongqing, 400030, China.
| | - Yongzhong Wu
- Radiation Oncology Center, Chongqing University Cancer Hospital, No. 181 Hanyu Road, Shapingba District, Chongqing, 400030, China.
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Li SL, Hou HY, Chu X, Zhu YY, Zhang YJ, Duan MD, Liu J, Liu Y. Nanomaterials-Involved Tumor-Associated Macrophages' Reprogramming for Antitumor Therapy. ACS NANO 2024; 18:7769-7795. [PMID: 38420949 DOI: 10.1021/acsnano.3c12387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Tumor-associated macrophages (TAMs) play pivotal roles in tumor development. As primary contents of tumor environment (TME), TAMs secrete inflammation-related substances to regulate tumoral occurrence and development. There are two kinds of TAMs: the tumoricidal M1-like TAMs and protumoral M2-like TAMs. Reprogramming TAMs from immunosuppressive M2 to immunocompetent M1 phenotype is considered a feasible way to improve immunotherapeutic efficiency. Notably, nanomaterials show great potential for biomedical fields due to their controllable structures and properties. There are many types of nanomaterials that exhibit great regulatory activities for TAMs' reprogramming. In this review, the recent progress of nanomaterials-involved TAMs' reprogramming is comprehensively discussed. The various nanomaterials for TAMs' reprogramming and the reprogramming strategies are summarized and introduced. Additionally, the challenges and perspectives of TAMs' reprogramming for efficient therapy are discussed, aiming to provide inspiration for TAMs' regulator design and promote the development of TAMs-mediated immunotherapy.
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Affiliation(s)
- Shu-Lan Li
- State Key Laboratory of Separation Membrane and Membrane Process, School of Chemistry & School of Electronic and Information Engineering, Tiangong University, Tianjin 300387, P. R. China
| | - Hua-Ying Hou
- State Key Laboratory of Separation Membrane and Membrane Process, School of Chemistry & School of Electronic and Information Engineering, Tiangong University, Tianjin 300387, P. R. China
| | - Xu Chu
- School of Materials Science and Engineering & School of Chemical Engineering and Technology, Tiangong University, Tianjin 300387, P. R. China
| | - Yu-Ying Zhu
- State Key Laboratory of Separation Membrane and Membrane Process, School of Chemistry & School of Electronic and Information Engineering, Tiangong University, Tianjin 300387, P. R. China
| | - Yu-Juan Zhang
- School of Materials Science and Engineering & School of Chemical Engineering and Technology, Tiangong University, Tianjin 300387, P. R. China
| | - Meng-Die Duan
- School of Materials Science and Engineering & School of Chemical Engineering and Technology, Tiangong University, Tianjin 300387, P. R. China
| | - Junyi Liu
- Albany Medical College, New York 12208, United States
| | - Yi Liu
- State Key Laboratory of Separation Membrane and Membrane Process, School of Chemistry & School of Electronic and Information Engineering, Tiangong University, Tianjin 300387, P. R. China
- School of Materials Science and Engineering & School of Chemical Engineering and Technology, Tiangong University, Tianjin 300387, P. R. China
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, P. R. China
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Machado M, Cruz F, Cunha A, Ramos-Pinto L, Laranjeira A, Pacheco M, Rocha RJM, Costas B. Dietary Salicornia ramosissima improves the European seabass ( Dicentrarchus labrax) inflammatory response against Photobacterium damselae piscicida. Front Immunol 2024; 15:1342144. [PMID: 38500885 PMCID: PMC10944916 DOI: 10.3389/fimmu.2024.1342144] [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: 11/21/2023] [Accepted: 02/05/2024] [Indexed: 03/20/2024] Open
Abstract
Introduction Modern fish farming faces challenges in sourcing feed ingredients, most related with their prices, 21 availability, and specifically for plant protein sources, competition for the limited cultivation space for 22 vegetable crops. In that sense, halophytes have the added value of being rich in valuable bioactive compounds and salt tolerant. This study assessed the inclusion of non-food fractions of S. ramosissima in European seabass diets. Methods Different levels (2.5%, 5%, and 10%) were incorporated into seabass diets, replacing wheat meal (diets ST2.5, ST5, and ST10) or without inclusion (CTRL). Experimental diets were administered to seabass juveniles (8.62 ± 0.63 g) for 34 and 62 days and subsequent inflammatory responses to a heat-inactivated Photobacterium damselae subsp. piscicida (Phdp) were evaluated in a time-course manner (4, 24, 48, and 72 h after the challenge). At each sampling point, seabass haematological profile, plasma immune parameters, and head-kidney immune-related gene expression were evaluated. Results After both feeding periods, most parameters remained unaltered by S. ramosissima inclusion; nonetheless, seabass fed ST10 showed an upregulation of macrophage colony-stimulating factor 1 receptor 1 (mcsf1r1) and cluster of differentiation 8 (cd8β) compared with those fed CTRL after 62 days of feeding. Regarding the inflammatory response, seabass fed ST10 showed lower plasma lysozyme levels than their counterparts fed ST2.5 and ST5 at 24 h following injection, while 4 h after the inflammatory stimulus, seabass fed ST10 presented higher numbers of peritoneal leucocytes than fish fed CTRL. Moreover, at 4 h, fish fed ST2.5, ST5, and ST10 showed a higher expression of interleukin 1β (il1β), while fish fed ST5 showed higher levels of ornithine decarboxylase (odc) than those fed CTRL. An upregulation of macrophage colony-stimulating factor 1 receptor 1 (mcsf1r1) and glutathione peroxidase (gpx) was also observed at 72 h in fish fed ST10 or ST5 and ST10 compared with CTRL, respectively. Discussion In conclusion, incorporating up to 10% of the non-food fraction S. ramosissima in feed did not compromise seabass growth or immune status after 62 days, aligning with circular economy principles. However, S. ramosissima inclusion improved the leucocyte response and upregulated key immune-related genes in seabass challenged with an inactivated pathogen.
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Affiliation(s)
- Marina Machado
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
| | - Francisco Cruz
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
- Escola Superior de Turismo e Tecnologia do Mar de Peniche, Instituto Politécnico de Leiria, Peniche, Portugal
| | - André Cunha
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
- School of Medicine and Biomedical Sciences (ICBAS-UP), University of Porto, Porto, Portugal
| | - Lourenço Ramos-Pinto
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
| | | | - Mário Pacheco
- Centre for Environmental and Marine Studies (CESAM) and Department of Biology, University of Aveiro, Aveiro, Portugal
| | | | - Benjamín Costas
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Matosinhos, Portugal
- School of Medicine and Biomedical Sciences (ICBAS-UP), University of Porto, Porto, Portugal
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Huang L, Thiex NW, Lou J, Ahmad G, An W, Low-Nam ST, Kerkvliet JG, Band H, Hoppe AD. The ubiquitin ligases Cbl and Cbl-b regulate macrophage growth by controlling CSF-1R import into macropinosomes. Mol Biol Cell 2024; 35:ar38. [PMID: 38170572 PMCID: PMC10916879 DOI: 10.1091/mbc.e23-09-0345] [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: 09/05/2023] [Revised: 12/11/2023] [Accepted: 12/18/2023] [Indexed: 01/05/2024] Open
Abstract
The ubiquitination of transmembrane receptors regulates endocytosis, intracellular traffic, and signal transduction. Bone marrow-derived macrophages from myeloid Cbl-/- and Cbl-b-/- double knockout (DKO) mice display sustained proliferation mirroring the myeloproliferative disease that these mice succumb to. Here, we found that the ubiquitin ligases Cbl and Cbl-b have overlapping functions for controlling the endocytosis and intracellular traffic of the CSF-1R. DKO macrophages displayed complete loss of ubiquitination of the CSF-1R whereas partial ubiquitination was observed for either single Cbl-/- or Cbl-b-/- macrophages. Unlike wild type, DKO macrophages were immortal and displayed slower CSF-1R internalization, elevated AKT signaling, and a failure to transport the CSF-1R into the lumen of nascent macropinosomes, leaving its cytoplasmic region available for signaling. CSF-1R degradation depended upon lysosomal vATPase activity in both WT and DKO macrophages, with this degradation confined to macropinosomes in WT but occurring in distributed/tubular lysosomes in DKO cells. RNA-sequencing comparison of Cbl-/-, Cbl-b-/- and DKO macrophages indicated that while the overall macrophage transcriptional program remained intact, DKO macrophages had alterations in gene expression associated with growth factor signaling, cell cycle, inflammation and senescence. Cbl-b-/- had minimal effect on the transcriptional program whereas Cbl-/- led to more alternations but only DKO macrophages demonstrated substantial changes in the transcriptome, suggesting overlapping but unique functions for the two Cbl-family members. Thus, Cbl/Cbl-b-mediated ubiquitination of CSF-1R regulates its endocytic fate, constrains inflammatory gene expression, and regulates signaling for macrophage proliferation.
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Affiliation(s)
- Lu Huang
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, SD 57007
- BioSNTR, Brookings, SD 57007
| | - Natalie W. Thiex
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD 57007
- BioSNTR, Brookings, SD 57007
| | - Jieqiong Lou
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, SD 57007
| | - Gulzar Ahmad
- Eppley Institute for Research in Cancer and Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198
| | - Wei An
- Eppley Institute for Research in Cancer and Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198
| | - Shalini T. Low-Nam
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, SD 57007
| | - Jason G. Kerkvliet
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, SD 57007
- BioSNTR, Brookings, SD 57007
| | - Hamid Band
- Eppley Institute for Research in Cancer and Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198
| | - Adam D. Hoppe
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, SD 57007
- BioSNTR, Brookings, SD 57007
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Rotterman TM, Haley-Johnson Z, Pottorf TS, Chopra T, Chang E, Zhang S, McCallum WM, Fisher S, Franklin H, Alvarez M, Cope TC, Alvarez FJ. Modulation of central synapse remodeling after remote peripheral injuries by the CCL2-CCR2 axis and microglia. Cell Rep 2024; 43:113776. [PMID: 38367237 PMCID: PMC10947500 DOI: 10.1016/j.celrep.2024.113776] [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: 05/18/2023] [Revised: 12/19/2023] [Accepted: 01/25/2024] [Indexed: 02/19/2024] Open
Abstract
Microglia-mediated synaptic plasticity after CNS injury varies depending on injury severity, but the mechanisms that adjust synaptic plasticity according to injury differences are largely unknown. This study investigates differential actions of microglia on essential spinal motor synaptic circuits following different kinds of nerve injuries. Following nerve transection, microglia and C-C chemokine receptor type 2 signaling permanently remove Ia axons and synapses from the ventral horn, degrading proprioceptive feedback during motor actions and abolishing stretch reflexes. However, Ia synapses and reflexes recover after milder injuries (nerve crush). These different outcomes are related to the length of microglia activation, being longer after nerve cuts, with slower motor-axon regeneration and extended expression of colony-stimulating factor type 1 in injured motoneurons. Prolonged microglia activation induces CCL2 expression, and Ia synapses recover after ccl2 is deleted from microglia. Thus, microglia Ia synapse removal requires the induction of specific microglia phenotypes modulated by nerve regeneration efficiencies. However, synapse preservation was not sufficient to restore the stretch-reflex function.
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Affiliation(s)
- Travis M Rotterman
- Department of Cell Biology, Emory University, Atlanta, GA 30322, USA; School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30318, USA
| | - Zoë Haley-Johnson
- Department of Cell Biology, Emory University, Atlanta, GA 30322, USA
| | - Tana S Pottorf
- Department of Cell Biology, Emory University, Atlanta, GA 30322, USA
| | - Tavishi Chopra
- Department of Cell Biology, Emory University, Atlanta, GA 30322, USA
| | - Ethan Chang
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30318, USA
| | - Shannon Zhang
- Department of Cell Biology, Emory University, Atlanta, GA 30322, USA
| | | | - Sarah Fisher
- Department of Cell Biology, Emory University, Atlanta, GA 30322, USA
| | - Haley Franklin
- Department of Cell Biology, Emory University, Atlanta, GA 30322, USA; The Alabama College of Osteopathic Medicine, Dothan, AL 36301, USA
| | - Myriam Alvarez
- Department of Cell Biology, Emory University, Atlanta, GA 30322, USA
| | - Timothy C Cope
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30318, USA; W.H. Coulter Department of Biomedical Engineering, Emory University and Georgia Institute of Technology, Atlanta, GA 30332, USA
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Kapanadze T, Gamrekelashvili J, Sablotny S, Schroth FN, Xu Y, Chen R, Rong S, Shushakova N, Gueler F, Haller H, Limbourg FP. Validation of CSF-1 receptor (CD115) staining for analysis of murine monocytes by flow cytometry. J Leukoc Biol 2024; 115:573-582. [PMID: 38038378 DOI: 10.1093/jleuko/qiad147] [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: 11/04/2022] [Revised: 10/18/2023] [Accepted: 11/09/2023] [Indexed: 12/02/2023] Open
Abstract
CD115, the receptor for colony stimulating factor 1, is essential for survival and differentiation of monocytes and macrophages and is therefore frequently used to define monocyte subsets and their progenitors in immunological assays. However, CD115 surface expression and detection by flow cytometry is greatly influenced by cell isolation and processing methods, organ source, and disease context. In a systematic analysis of murine monocytes, we define experimental conditions that preserve or limit CD115 surface expression and staining by flow cytometry. We also find that, independent of conditions, CD115 surface levels are consistently lower in Ly6Clo monocytes than in Ly6Chi monocytes, with the exception of Ly6Clo monocytes in the bone marrow. Furthermore, in contrast to IL-34, the presence of colony stimulating factor 1 impairs CD115 antibody staining in a dose-dependent manner, which, in a model of ischemic kidney injury with elevated levels of colony stimulating factor 1, influenced quantification of kidney monocytes. Thus, staining and experimental conditions affect quantitative and qualitative analysis of monocytes and may influence experimental conclusions.
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Affiliation(s)
- Tamar Kapanadze
- Vascular Medicine Research, Department of Nephrology and Hypertension, Hannover Medical School, Hannover, D 30625, Germany
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover D 30625, Germany
| | - Jaba Gamrekelashvili
- Vascular Medicine Research, Department of Nephrology and Hypertension, Hannover Medical School, Hannover, D 30625, Germany
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover D 30625, Germany
| | - Stefan Sablotny
- Vascular Medicine Research, Department of Nephrology and Hypertension, Hannover Medical School, Hannover, D 30625, Germany
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover D 30625, Germany
| | - Frauline Nicole Schroth
- Vascular Medicine Research, Department of Nephrology and Hypertension, Hannover Medical School, Hannover, D 30625, Germany
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover D 30625, Germany
| | - Yuangao Xu
- Vascular Medicine Research, Department of Nephrology and Hypertension, Hannover Medical School, Hannover, D 30625, Germany
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover D 30625, Germany
| | - Rongjun Chen
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover D 30625, Germany
| | - Song Rong
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover D 30625, Germany
| | - Nelli Shushakova
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover D 30625, Germany
- Phenos GmbH, Hannover, Germany
| | - Faikah Gueler
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover D 30625, Germany
| | - Hermann Haller
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover D 30625, Germany
| | - Florian P Limbourg
- Vascular Medicine Research, Department of Nephrology and Hypertension, Hannover Medical School, Hannover, D 30625, Germany
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover D 30625, Germany
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Guo Q, Ping L, Dammer EB, Yin L, Xu K, Shantaraman A, Fox EJ, Golde TE, Johnson ECB, Roberts BR, Lah JJ, Levey AI, Seyfried NT. Heparin-enriched plasma proteome is significantly altered in Alzheimer's Disease. RESEARCH SQUARE 2024:rs.3.rs-3933136. [PMID: 38464223 PMCID: PMC10925398 DOI: 10.21203/rs.3.rs-3933136/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Introduction Heparin binding proteins (HBPs) with roles in extracellular matrix assembly are strongly correlated to β-amyloid (Aβ) and tau pathology in Alzheimer's disease (AD) brain and cerebrospinal fluid (CSF). However, it remains challenging to detect these proteins in plasma using standard mass spectrometry-based proteomic approaches. Methods We employed heparin affinity chromatography, followed by off-line fractionation and tandem mass tag mass spectrometry (TMT-MS), to capture and enrich HBPs in plasma obtained from AD (n=62) and control (n=47) samples. These profiles were then correlated to a consensus AD brain proteome, as well as with Aβ, tau and phosphorylated tau (pTau) CSF biomarkers from the same individuals. We then leveraged published human postmortem brain proteome datasets to assess the overlap with the heparin-enriched plasma proteome. Results Heparin-enrichment from plasma was highly reproducible, enriched well-known HBPs like APOE and thrombin, and depleted high-abundance proteins such as albumin. A total of 2865 proteins, spanning 10 orders of magnitude were detectable. Utilizing a consensus AD brain protein co-expression network, we observed that specific plasma HBPs exhibited consistent direction of change in both brain and plasma, whereas others displayed divergent changes highlighting the complex interplay between the two compartments. Elevated HBPs in AD plasma, when compared to controls, included members of the matrisome module in brain that accumulate within Aβ deposits, such as SMOC1, SMOC2, SPON1, MDK, OLFML3, FRZB, GPNMB, and APOE. Additionally, heparin enriched plasma proteins demonstrated significant correlations with conventional AD CSF biomarkers, including Aβ, total tau, pTau, and plasma pTau from the same individuals. Conclusion These findings support the utility of a heparin-affinity approach for enriching amyloid-associated proteins, as well as a wide spectrum of plasma biomarkers that reflect pathological changes in the AD brain.
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Affiliation(s)
- Qi Guo
- Emory University School of Medicine
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Wang Y, Cho JW, Kastrunes G, Buck A, Razimbaud C, Culhane AC, Sun J, Braun DA, Choueiri TK, Wu CJ, Jones K, Nguyen QD, Zhu Z, Wei K, Zhu Q, Signoretti S, Freeman GJ, Hemberg M, Marasco WA. Immune-restoring CAR-T cells display antitumor activity and reverse immunosuppressive TME in a humanized ccRCC mouse model. iScience 2024; 27:108879. [PMID: 38327771 PMCID: PMC10847687 DOI: 10.1016/j.isci.2024.108879] [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: 10/12/2023] [Revised: 12/01/2023] [Accepted: 01/08/2024] [Indexed: 02/09/2024] Open
Abstract
One of the major barriers that have restricted successful use of chimeric antigen receptor (CAR) T cells in the treatment of solid tumors is an unfavorable tumor microenvironment (TME). We engineered CAR-T cells targeting carbonic anhydrase IX (CAIX) to secrete anti-PD-L1 monoclonal antibody (mAb), termed immune-restoring (IR) CAR G36-PDL1. We tested CAR-T cells in a humanized clear cell renal cell carcinoma (ccRCC) orthotopic mouse model with reconstituted human leukocyte antigen (HLA) partially matched human leukocytes derived from fetal CD34+ hematopoietic stem cells (HSCs) and bearing human ccRCC skrc-59 cells under the kidney capsule. G36-PDL1 CAR-T cells, haploidentical to the tumor cells, had a potent antitumor effect compared to those without immune-restoring effect. Analysis of the TME revealed that G36-PDL1 CAR-T cells restored active antitumor immunity by promoting tumor-killing cytotoxicity, reducing immunosuppressive cell components such as M2 macrophages and exhausted CD8+ T cells, and enhancing T follicular helper (Tfh)-B cell crosstalk.
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Affiliation(s)
- Yufei Wang
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Harvard Medical School, Boston, MA 02215, USA
| | - Jae-Won Cho
- Harvard Medical School, Boston, MA 02215, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Gabriella Kastrunes
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Alicia Buck
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Cecile Razimbaud
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Aedin C. Culhane
- School of Medicine, University of Limerick, V94 T9PX Limerick, Ireland
| | - Jiusong Sun
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - David A. Braun
- Harvard Medical School, Boston, MA 02215, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Center of Molecular and Cellular Oncology, Yale Cancer Center, Yale School of Medicine, New Haven, CT 06525, USA
| | - Toni K. Choueiri
- Harvard Medical School, Boston, MA 02215, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Catherine J. Wu
- Harvard Medical School, Boston, MA 02215, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Kristen Jones
- Lurie Family Imaging Center, Center for Biomedical Imaging in Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Quang-De Nguyen
- Lurie Family Imaging Center, Center for Biomedical Imaging in Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Zhu Zhu
- Harvard Medical School, Boston, MA 02215, USA
- Division of Rheumatology, Inflammation and Immunity, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Kevin Wei
- Harvard Medical School, Boston, MA 02215, USA
- Division of Rheumatology, Inflammation and Immunity, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Quan Zhu
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Harvard Medical School, Boston, MA 02215, USA
| | - Sabina Signoretti
- Harvard Medical School, Boston, MA 02215, USA
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Gordon J. Freeman
- Harvard Medical School, Boston, MA 02215, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Martin Hemberg
- Harvard Medical School, Boston, MA 02215, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Wayne A. Marasco
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Harvard Medical School, Boston, MA 02215, USA
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Adhikari A, Chauhan K, Adhikari M, Tiwari AK. Colony Stimulating Factor-1 Receptor: An emerging target for neuroinflammation PET imaging and AD therapy. Bioorg Med Chem 2024; 100:117628. [PMID: 38330850 DOI: 10.1016/j.bmc.2024.117628] [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: 10/30/2023] [Revised: 01/01/2024] [Accepted: 01/29/2024] [Indexed: 02/10/2024]
Abstract
Although neuroinflammation is a significant pathogenic feature of many neurologic disorders, its precise function in-vivo is still not completely known. PET imaging enables the longitudinal examination, quantification, and tracking of different neuroinflammation biomarkers in living subjects. Particularly, PET imaging of Microglia, specialised dynamic immune cells crucial for maintaining brain homeostasis in central nervous system (CNS), is crucial for staging the neuroinflammation. Colony Stimulating Factor- 1 Receptor (CSF-1R) PET imaging is a novel method for the quantification of neuroinflammation. CSF-1R is mainly expressed on microglia, and neurodegenerative disorders greatly up-regulate its expression. The present review primarily focuses on the development, pros and cons of all the CSF-1R PET tracers reported for neuroinflammation imaging. Apart from neuroinflammation imaging, CSF-1R inhibitors are also reported for the therapy of neurodegenerative diseases such as Alzheimer's disease (AD). AD is a prevalent, advancing, and fatal neurodegenerative condition that have the characteristic feature of persistent neuroinflammation and primarily affects the elderly. The aetiology of AD is profoundly influenced by amyloid-beta (Aβ) plaques, intracellular neurofibrillary tangles, and microglial dysfunction. Increasing evidence suggests that CSF-1R inhibitors (CSF-1Ri) can be helpful in preclinical models of neurodegenerative diseases. This review article also summarises the most recent developments of CSF-1Ri-based therapy for AD.
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Affiliation(s)
- Anupriya Adhikari
- Department of Chemistry, Graphic Era Hill University, Clement Town, Dehradun, Uttarakhand, India.
| | - Kanchan Chauhan
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera, Tijuana-Ensenada, Baja California 22860, Mexico
| | - Manish Adhikari
- Department of Physiology and Cell Biology, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Anjani K Tiwari
- Department of Chemistry, Babasaheb, Bhimrao Ambedkar University, Lucknow, Uttar Pradesh, India
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Chen J, Yin M, Yang C, Wang K, Ma L, Yu H, Huang Y, Liu F, Tang Z. Therapeutic effects and underlying mechanism of poly (L-glutamic acid)- g-methoxy poly (ethylene glycol)/combretastatin A4/BLZ945 nanoparticles on Renca renal carcinoma. Front Bioeng Biotechnol 2024; 12:1336692. [PMID: 38375454 PMCID: PMC10875097 DOI: 10.3389/fbioe.2024.1336692] [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] [Received: 11/11/2023] [Accepted: 01/23/2024] [Indexed: 02/21/2024] Open
Abstract
Introduction: The prognosis of advanced renal carcinoma is not ideal, necessitating the exploration of novel treatment strategies. Poly(L-glutamic acid)-g-methoxy poly(ethylene glycol)/Combretastatin A4 (CA4)/BLZ945 nanoparticles (CB-NPs) possess the dual capability of CA4 (targeting blood vessels to induce tumor necrosis) and BLZ945 (inducing M2 macrophage apoptosis), thereby inhibiting tumor growth. Methods: Here, the therapeutic effects and underlying mechanism was explored by CCK-8 cytotoxicity experiment, transwell cell invasion and migration experiment, H&E, western blot analysis, immunohistochemistry, flow cytometry, and other techniques. Results: These results demonstrated that CB-NPs could inhibit the growth of Renca cells and subcutaneous tumors in mice, with an impressive tumor inhibition rate of 88.0%. Results suggested that CB-NPs can induce necrosis in renal carcinoma cells and tissues, downregulate VEGFA expression, promote renal carcinoma cell apoptosis, and reduce the polarization of M2 macrophages. Discussion: These findings offer innovative perspectives for the treatment of advanced renal carcinoma.
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Affiliation(s)
- Jiaqi Chen
- Department of Nephrology, China-Japan Union Hospital of Jilin University, Jilin University, Changchun, China
| | - Min Yin
- Department of Nephrology, China-Japan Union Hospital of Jilin University, Jilin University, Changchun, China
| | - Chenguang Yang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Kun Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Lili Ma
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Haiyang Yu
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Yue Huang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Feng Liu
- Department of Nephrology, China-Japan Union Hospital of Jilin University, Jilin University, Changchun, China
| | - Zhaohui Tang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
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Yan P, Ke B, Fang X. Bioinformatics reveals the pathophysiological relationship between diabetic nephropathy and periodontitis in the context of aging. Heliyon 2024; 10:e24872. [PMID: 38304805 PMCID: PMC10830875 DOI: 10.1016/j.heliyon.2024.e24872] [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: 08/14/2023] [Revised: 01/08/2024] [Accepted: 01/16/2024] [Indexed: 02/03/2024] Open
Abstract
Diabetic nephropathy (DN) is one of the most common microvascular complications of diabetes mellitus. Periodontitis (PD) is a microbially-induced chronic inflammatory disease that is thought to have a bidirectional relationship with diabetes mellitus. DN and PD are recognized as models associated with accelerated aging. This study is divided into two parts, the first of which explores the bidirectional causal relationship through Mendelian randomization (MR). The second part aims to investigate the relationship between PD and DN in terms of potential crosstalk genes, aging-related genes, biological pathways, and processes using bioinformatic methods. MR analysis showed no evidence to support a causal relationship between DN and PD (P = 0.34) or PD and DN (P = 0.77). Using the GEO database, we screened 83 crosstalk genes overlapping in two diseases. Twelve paired genes identified by Pearson correlation and the four hub genes in the key cluster were jointly evaluated as key crosstalk-aging genes. Using support vector machine recursive feature elimination (SVM-RFE) and maximal clique centrality (MCC) algorithms, feature selection established five genes as the key crosstalk-aging genes. Based on five key genes, an ANN diagnostic model with reliable diagnosis of two diseases was developed. Gene enrichment analysis indicates that AGE-RAGE pathway signaling, the complement system, and multiple immune inflammatory pathways may be involved in common features of both diseases. Immune infiltration analysis reveals that most immune cells are differentially expressed in PD and DN, with dendritic cells and T cells assuming vital roles in both diseases. Overall, although there is no causal link, CSF1R, CXCL6, VCAM1, JUN and IL1B may be potential crosstalk-aging genes linking PD and DN. The common pathways and markers explored in this study could contribute to a deeper understanding of the common pathogenesis of both diseases in the context of aging and provide a theoretical basis for future research.
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Affiliation(s)
- Peng Yan
- Department of Nephrology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Ben Ke
- Department of Nephrology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Xiangdong Fang
- Department of Nephrology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
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Banuelos A, Zhang A, Berouti H, Baez M, Yılmaz L, Georgeos N, Marjon KD, Miyanishi M, Weissman IL. CXCR2 inhibition in G-MDSCs enhances CD47 blockade for melanoma tumor cell clearance. Proc Natl Acad Sci U S A 2024; 121:e2318534121. [PMID: 38261615 PMCID: PMC10835053 DOI: 10.1073/pnas.2318534121] [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: 10/24/2023] [Accepted: 12/16/2023] [Indexed: 01/25/2024] Open
Abstract
The use of colony-stimulating factor-1 receptor (CSF1R) inhibitors has been widely explored as a strategy for cancer immunotherapy due to their robust depletion of tumor-associated macrophages (TAMs). While CSF1R blockade effectively eliminates TAMs from the solid tumor microenvironment, its clinical efficacy is limited. Here, we use an inducible CSF1R knockout model to investigate the persistence of tumor progression in the absence of TAMs. We find increased frequencies of granulocytic myeloid-derived suppressor cells (G-MDSCs) in the bone marrow, throughout circulation, and in the tumor following CSF1R deletion and loss of TAMs. We find that G-MDSCs are capable of suppressing macrophage phagocytosis, and the elimination of G-MDSCs through CXCR2 inhibition increases macrophage capacity for tumor cell clearance. Further, we find that combination therapy of CXCR2 inhibition and CD47 blockade synergize to elicit a significant anti-tumor response. These findings reveal G-MDSCs as key drivers of tumor immunosuppression and demonstrate their inhibition as a potent strategy to increase macrophage phagocytosis and enhance the anti-tumor efficacy of CD47 blockade in B16-F10 melanoma.
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Affiliation(s)
- Allison Banuelos
- Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University, Stanford, CA 94305
| | - Allison Zhang
- Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University, Stanford, CA 94305
| | - Hala Berouti
- Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University, Stanford, CA 94305
| | - Michelle Baez
- Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University, Stanford, CA 94305
| | - Leyla Yılmaz
- Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University, Stanford, CA 94305
| | - Nardin Georgeos
- Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University, Stanford, CA 94305
| | - Kristopher D Marjon
- Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University, Stanford, CA 94305
| | - Masanori Miyanishi
- Hematopoietic Stem Cell Biology and Medical Innovation (HSCBMI), Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe 650-0047, Japan
| | - Irving L Weissman
- Stanford Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, CA 94305
- Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University, Stanford, CA 94305
- Department of Pathology, Stanford University, Stanford, CA 94305
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He Z, Xu C, Guo J, Liu T, Zhang Y, Feng Y. The CSF1-CSF1R pathway in the trigeminal ganglion mediates trigeminal neuralgia via inflammatory responses in mice. Mol Biol Rep 2024; 51:215. [PMID: 38281257 DOI: 10.1007/s11033-023-09149-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: 10/19/2023] [Accepted: 12/13/2023] [Indexed: 01/30/2024]
Abstract
BACKGROUND Trigeminal neuralgia (TN) is the most severe type of neuropathic pain. The trigeminal ganglion (TG) is a crucial target for the pathogenesis and treatment of TN. The colony-stimulating factor 1 (CSF1) - colony-stimulating factor 1 receptor (CSF1R) pathway regulates lower limb pain development. However, the effect and mechanism of the CSF1-CSF1R pathway in TG on TN are unclear. METHODS Partial transection of the infraorbital nerve (pT-ION) model was used to generate a mouse TN model. Mechanical and cold allodynia were used to measure pain behaviors. Pro-inflammatory factors (IL-6, TNF-a) were used to measure inflammatory responses in TG. PLX3397, an inhibitor of CSF1R, was applied to inhibit the CSF1-CSF1R pathway in TG. This pathway was activated in naïve mice by stereotactic injection of CSF1 into the TG. RESULTS The TN model activated the CSF1-CSF1R pathway in the TG, leading to exacerbated mechanical and cold allodynia. TN activated inflammatory responses in the TG manifested as a significant increase in IL-6 and TNF-a levels. After using PLX3397 to inhibit CSF1R, CSF1R expression in the TG declined significantly. Inhibiting the CSF1-CSF1R pathway in the TG downregulated the expression of IL-6 and TNF-α to reduce allodynia-related behaviors. Finally, mechanical allodynia behaviors were exacerbated in naïve mice after activating the CSF1-CSF1R pathway in the TG. CONCLUSIONS The CSF1-CSF1R pathway in the TG modulates TN by regulating neuroimmune responses. Our findings provide a theoretical basis for the development of treatments for TN in the TG.
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Affiliation(s)
- Zile He
- Department of Anesthesiology, Peking University People's Hospital, Xizhimen South Street 11, Beijing, 100044, China
| | - Chao Xu
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jiaqi Guo
- Shanghai Minhang Center for Disease Control and Prevention, Shanghai, China
| | - Tianyu Liu
- Department of Anesthesiology, Peking University People's Hospital, Xizhimen South Street 11, Beijing, 100044, China
| | - Yunpeng Zhang
- Department of Anesthesiology, Peking University People's Hospital, Xizhimen South Street 11, Beijing, 100044, China
| | - Yi Feng
- Department of Anesthesiology, Peking University People's Hospital, Xizhimen South Street 11, Beijing, 100044, China.
- Key Laboratory for Neuroscience, Ministry of Education/National Health Commission of China, Peking University, Xueyuan Road 38, Beijing, 100191, China.
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Cao M, Wang Z, Lan W, Xiang B, Liao W, Zhou J, Liu X, Wang Y, Zhang S, Lu S, Lang J, Zhao Y. The roles of tissue resident macrophages in health and cancer. Exp Hematol Oncol 2024; 13:3. [PMID: 38229178 PMCID: PMC10790434 DOI: 10.1186/s40164-023-00469-0] [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: 10/08/2023] [Accepted: 12/28/2023] [Indexed: 01/18/2024] Open
Abstract
As integral components of the immune microenvironment, tissue resident macrophages (TRMs) represent a self-renewing and long-lived cell population that plays crucial roles in maintaining homeostasis, promoting tissue remodeling after damage, defending against inflammation and even orchestrating cancer progression. However, the exact functions and roles of TRMs in cancer are not yet well understood. TRMs exhibit either pro-tumorigenic or anti-tumorigenic effects by engaging in phagocytosis and secreting diverse cytokines, chemokines, and growth factors to modulate the adaptive immune system. The life-span, turnover kinetics and monocyte replenishment of TRMs vary among different organs, adding to the complexity and controversial findings in TRMs studies. Considering the complexity of tissue associated macrophage origin, macrophages targeting strategy of each ontogeny should be carefully evaluated. Consequently, acquiring a comprehensive understanding of TRMs' origin, function, homeostasis, characteristics, and their roles in cancer for each specific organ holds significant research value. In this review, we aim to provide an outline of homeostasis and characteristics of resident macrophages in the lung, liver, brain, skin and intestinal, as well as their roles in modulating primary and metastatic cancer, which may inform and serve the future design of targeted therapies.
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Affiliation(s)
- Minmin Cao
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zihao Wang
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Wanying Lan
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
- Guixi Community Health Center of the Chengdu High-Tech Zone, Chengdu, China
| | - Binghua Xiang
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Wenjun Liao
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Jie Zhou
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaomeng Liu
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Yiling Wang
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Shichuan Zhang
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Shun Lu
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Jinyi Lang
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
| | - Yue Zhao
- Department of Radiation Oncology, Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China.
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Laudenberg N, Kinuthia UM, Langmann T. Microglia depletion/repopulation does not affect light-induced retinal degeneration in mice. Front Immunol 2024; 14:1345382. [PMID: 38288111 PMCID: PMC10822957 DOI: 10.3389/fimmu.2023.1345382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 12/28/2023] [Indexed: 01/31/2024] Open
Abstract
Reactive microglia are a hallmark of age-related retinal degenerative diseases including age-related macular degeneration (AMD). These cells are capable of secreting neurotoxic substances that may aggravate inflammation that leads to loss of photoreceptors and impaired vision. Despite their role in driving detrimental inflammation, microglia also play supporting roles in the retina as they are a crucial cellular component of the regulatory innate immune system. In this study, we used the colony stimulating factor 1 receptor (CSF1R)-antagonist PLX3397 to investigate the effects of microglia depletion and repopulation in a mouse model of acute retinal degeneration that mimics some aspects of dry AMD. Our main goal was to investigate whether microglia depletion and repopulation affects the outcome of light-induced retinal degeneration. We found that microglia depletion effectively decreased the expression of several key pro-inflammatory factors but was unable to influence the extent of retinal degeneration as determined by optical coherence tomography (OCT) and histology. Interestingly, we found prominent cell debris accumulation in the outer retina under conditions of microglia depletion, presumably due to the lack of efficient phagocytosis that could not be compensated by the retinal pigment epithelium. Moreover, our in vivo experiments showed that renewal of retinal microglia by repopulation did also not prevent rapid microglia activation or preserve photoreceptor death under conditions of light damage. We conclude that microglia ablation strongly reduces the expression of pro-inflammatory factors but cannot prevent photoreceptor loss in the light-damage paradigm of retinal degeneration.
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Affiliation(s)
- Nils Laudenberg
- Laboratory for Experimental Immunology of the Eye, Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Urbanus Muthai Kinuthia
- Laboratory for Experimental Immunology of the Eye, Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
| | - Thomas Langmann
- Laboratory for Experimental Immunology of the Eye, Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
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48
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Cersosimo F, Lonardi S, Ulivieri C, Martini P, Morrione A, Vermi W, Giordano A, Giurisato E. CSF-1R in Cancer: More than a Myeloid Cell Receptor. Cancers (Basel) 2024; 16:282. [PMID: 38254773 PMCID: PMC10814415 DOI: 10.3390/cancers16020282] [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: 12/13/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 01/24/2024] Open
Abstract
Colony-stimulating factor 1 receptor (CFS-1R) is a myeloid receptor with a crucial role in monocyte survival and differentiation. Its overexpression is associated with aggressive tumors characterized by an immunosuppressive microenvironment and poor prognosis. CSF-1R ligands, IL-34 and M-CSF, are produced by many cells in the tumor microenvironment (TME), suggesting a key role for the receptor in the crosstalk between tumor, immune and stromal cells in the TME. Recently, CSF-1R expression was reported in the cell membrane of the cancer cells of different solid tumors, capturing the interest of various research groups interested in investigating the role of this receptor in non-myeloid cells. This review summarizes the current data available on the expression and activity of CSF-1R in different tumor types. Notably, CSF-1R+ cancer cells have been shown to produce CSF-1R ligands, indicating that CSF-1R signaling is positively regulated in an autocrine manner in cancer cells. Recent research demonstrated that CSF-1R signaling enhances cell transformation by supporting tumor cell proliferation, invasion, stemness and drug resistance. In addition, this review covers recent therapeutic strategies, including monoclonal antibodies and small-molecule inhibitors, targeting the CSF-1R and designed to block the pro-oncogenic role of CSF-1R in cancer cells.
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Affiliation(s)
- Francesca Cersosimo
- Department of Biotechnology Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy;
| | - Silvia Lonardi
- Department of Molecular and Translational Medicine, University of Brescia, 25100 Brescia, Italy; (S.L.); (P.M.); (W.V.)
| | - Cristina Ulivieri
- Department of Life Sciences, University of Siena, 53100 Siena, Italy;
| | - Paolo Martini
- Department of Molecular and Translational Medicine, University of Brescia, 25100 Brescia, Italy; (S.L.); (P.M.); (W.V.)
| | - Andrea Morrione
- Center for Biotechnology, Department of Biology, Sbarro Institute for Cancer Research and Molecular Medicine, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA;
| | - William Vermi
- Department of Molecular and Translational Medicine, University of Brescia, 25100 Brescia, Italy; (S.L.); (P.M.); (W.V.)
| | - Antonio Giordano
- Department of Medical Biotechnology, University of Siena, 53100 Siena, Italy;
| | - Emanuele Giurisato
- Department of Biotechnology Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy;
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Berglund R, Cheng Y, Piket E, Adzemovic MZ, Zeitelhofer M, Olsson T, Guerreiro-Cacais AO, Jagodic M. The aging mouse CNS is protected by an autophagy-dependent microglia population promoted by IL-34. Nat Commun 2024; 15:383. [PMID: 38195627 PMCID: PMC10776874 DOI: 10.1038/s41467-023-44556-6] [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: 02/08/2023] [Accepted: 12/15/2023] [Indexed: 01/11/2024] Open
Abstract
Microglia harness an unutilized health-promoting potential in age-related neurodegenerative and neuroinflammatory diseases, conditions like progressive multiple sclerosis (MS). Our research unveils an microglia population emerging in the cortical brain regions of aging mice, marked by ERK1/2, Akt, and AMPK phosphorylation patterns and a transcriptome indicative of activated autophagy - a process critical for cellular adaptability. By deleting the core autophagy gene Ulk1 in microglia, we reduce this population in the central nervous system of aged mice. Notably, this population is found dependent on IL-34, rather than CSF1, although both are ligands for CSF1R. When aging mice are exposed to autoimmune neuroinflammation, the loss of autophagy-dependent microglia leads to neural and glial cell death and increased mortality. Conversely, microglial expansion mediated by IL-34 exhibits a protective effect. These findings shed light on an autophagy-dependent neuroprotective microglia population as a potential target for treating age-related neuroinflammatory conditions, including progressive MS.
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Affiliation(s)
- Rasmus Berglund
- Department of Clinical Neuroscience, Division of Neuro, Karolinska Institutet, Center for Molecular Medicine, Karolinska University Hospital, 171 76, Stockholm, Sweden.
| | - Yufei Cheng
- Department of Clinical Neuroscience, Division of Neuro, Karolinska Institutet, Center for Molecular Medicine, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Eliane Piket
- Department of Clinical Neuroscience, Division of Neuro, Karolinska Institutet, Center for Molecular Medicine, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Milena Z Adzemovic
- Department of Clinical Neuroscience, Division of Neuro, Karolinska Institutet, Center for Molecular Medicine, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Manuel Zeitelhofer
- Department of Medical Biochemistry and Biophysics, Division of Vascular Biology, Karolinska Institutet, 171 65, Solna, Sweden
| | - Tomas Olsson
- Department of Clinical Neuroscience, Division of Neuro, Karolinska Institutet, Center for Molecular Medicine, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Andre Ortlieb Guerreiro-Cacais
- Department of Clinical Neuroscience, Division of Neuro, Karolinska Institutet, Center for Molecular Medicine, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Maja Jagodic
- Department of Clinical Neuroscience, Division of Neuro, Karolinska Institutet, Center for Molecular Medicine, Karolinska University Hospital, 171 76, Stockholm, Sweden
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50
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Zeng J, Jiang X, Jiang M, Cao Y, Jiang Y. Bioinformatics analysis of hub genes as osteoarthritis prognostic biomarkers. Sci Rep 2023; 13:22894. [PMID: 38129488 PMCID: PMC10739719 DOI: 10.1038/s41598-023-48446-1] [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: 08/22/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023] Open
Abstract
Osteoarthritis (OA) is a progressive cartilage degradation disease, concomitant with synovitis, osteophyte formation, and subchondral bone sclerosis. Over 37% of the elderly population is affected by OA, and the number of cases is increasing as the global population ages. Therefore, the objective of this study was to identify and analyze the hub genes of OA combining with comprehensive bioinformatics analysis tools to provide theoretical basis in further OA effective therapies. Two sample sets of GSE46750 contained 12 pairs OA synovial membrane and normal samples harvested from patients as well as GSE98918 including 12 OA and non-OA patients were downloaded from the Gene Expression Omnibus database (GEO) database. Differentially expressed genes (DEGs) were identified using Gene Expression Omnibus 2R (GEO2R), followed by functional enrichment analysis, protein-protein interaction networks construction. The hub genes were identified and evaluated. An OA rat model was constructed, hematoxylin and eosin staining, safranin O/fast green staining, cytokines concentrations of serum were used to verify the model. The hub genes expression level in the knee OA samples were verified using RT-qPCR. The top 20 significantly up-regulated and down-regulated DEGs were screened out from the two datasets, respectively. The top 18 GO terms and 10 KEGG pathways were enriched. Eight hub genes were identified, namely MS4A6A, C1QB, C1QC, CD74, CSF1R, HLA-DPA1, HLA-DRA and ITGB2. Among them, the hub genes were all up-regulated in in vivo OA rat model, compared with healthy controls. The eight hub genes identified (MS4A6A, C1QB, C1QC, CD74, CSF1R, HLA-DPA1, HLA-DRA and ITGB2) were shown to be associated with OA. These genes can serve as disease markers to discriminate OA patients from healthy controls.
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Affiliation(s)
- Junfeng Zeng
- Department of Orthopedics, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 17, Yongwaizheng Street, Donghu District, Nanchang City, Jiangxi Province, 330000, People's Republic of China
| | - Xinhao Jiang
- Department of Orthopedics, Yugan County Hospital, No. 1, Mianshan Avenue, Yugan County, Shangrao City, Jiangxi Province, 335100, People's Republic of China
| | - Mo Jiang
- Department of Orthopedics 10th, The Affiliated Hospital of Jiangxi University of Traditional Chinese Medicine, No. 445, Bayi Avenue, Donghu District, Nanchang City, Jiangxi Province, 330000, People's Republic of China
| | - Yuexia Cao
- Department of Orthopedics, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 17, Yongwaizheng Street, Donghu District, Nanchang City, Jiangxi Province, 330000, People's Republic of China
| | - Yi Jiang
- Department of Orthopedics, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 17, Yongwaizheng Street, Donghu District, Nanchang City, Jiangxi Province, 330000, People's Republic of China.
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