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Pal S, Bhowmick S, Sharma A, Sierra-Fonseca JA, Mondal S, Afolabi F, Roy D. Lymphatic vasculature in ovarian cancer. Biochim Biophys Acta Rev Cancer 2023; 1878:188950. [PMID: 37419192 PMCID: PMC10754213 DOI: 10.1016/j.bbcan.2023.188950] [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: 03/08/2023] [Revised: 06/29/2023] [Accepted: 06/29/2023] [Indexed: 07/09/2023]
Abstract
Ovarian cancer (OVCA) is the second most common gynecological cancer and one of the leading causes of cancer related mortality among women. Recent studies suggest that among ovarian cancer patients at least 70% of the cases experience the involvement of lymph nodes and metastases through lymphatic vascular network. However, the impact of lymphatic system in the growth, spread and the evolution of ovarian cancer, its contribution towards the landscape of ovarian tissue resident immune cells and their metabolic responses is still a major knowledge gap. In this review first we present the epidemiological aspect of the OVCA, the lymphatic architecture of the ovary, we discuss the role of lymphatic circulation in regulation of ovarian tumor microenvironment, metabolic basis of the upregulation of lymphangiogenesis which is often observed during progression of ovarian metastasis and ascites development. Further we describe the implication of several mediators which influence both lymphatic vasculature as well as ovarian tumor microenvironment and conclude with several therapeutic strategies for targeting lymphatic vasculature in ovarian cancer progression in present day.
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Affiliation(s)
- Sarit Pal
- Department of Medical Physiology, College of Medicine, Texas A&M University, Bryan, TX 77843, United States
| | - Sramana Bhowmick
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India
| | - Anurag Sharma
- Pathology and Laboratory Medicine, Cleveland Clinic, Cleveland, OH, United States
| | | | - Susmita Mondal
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India
| | - Favour Afolabi
- Department of Biological Sciences, Alcorn State University, Lorman, MS 39096, United States
| | - Debarshi Roy
- Department of Biological Sciences, Alcorn State University, Lorman, MS 39096, United States.
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Mohamed EM, Dharani S, Khuroo T, Hamed R, Khan MA, Rahman Z. In Vitro and In Vivo Characterization of the Transdermal Gel Formulation of Desloratadine for Prevention of Obesity and Metabolic Syndrome. Pharmaceuticals (Basel) 2023; 16:ph16040578. [PMID: 37111335 PMCID: PMC10144708 DOI: 10.3390/ph16040578] [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: 02/26/2023] [Revised: 04/03/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
Chronic use of antihistamines can induce abnormalities in lipid absorption with potential excessive accumulation of lipids in the mesentery that can lead to the development of obesity and a metabolic syndrome. The focus of the present work was to develop a transdermal gel formulation of desloratadine (DES) to prevent/reduce obesity and metabolic syndromes. Nine formulations were prepared to contain hydroxypropyl methylcellulose (2-3%), DES (2.5-5.0%), and Transcutol® (15-20%). The formulations were evaluated for cohesive and adhesive properties, viscosity, drug diffusion through synthetic and pig ear skin, and pharmacokinetics in New Zealand white rabbits. Drug permeation was faster through the skin compared to synthetic membranes. The drug had good permeation, as indicated by very short lag time (0.08-0.47 h) and high flux (59.3-230.7 μg/cm2.h). The maximum plasma concentration (Cmax) and area under the curve (AUC) of transdermal gel formulations were 2.4 and 3.2 fold that of the Clarinex tablet formulation. In conclusion, as indicated by the higher bioavailability, transdermal gel formulation of DES may decrease the dose of the drug, compared to commercial formulation. It has the potential to reduce or eliminate metabolic syndromes associated with oral antihistamine therapy.
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Affiliation(s)
- Eman M Mohamed
- Irma Lerma Rangel College of Pharmacy, Texas A&M Health Science Center, Texas A&M University, College Station, TX 77843, USA
| | - Sathish Dharani
- Irma Lerma Rangel College of Pharmacy, Texas A&M Health Science Center, Texas A&M University, College Station, TX 77843, USA
| | - Tahir Khuroo
- Irma Lerma Rangel College of Pharmacy, Texas A&M Health Science Center, Texas A&M University, College Station, TX 77843, USA
| | - Rania Hamed
- Irma Lerma Rangel College of Pharmacy, Texas A&M Health Science Center, Texas A&M University, College Station, TX 77843, USA
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan
| | - Mansoor A Khan
- Irma Lerma Rangel College of Pharmacy, Texas A&M Health Science Center, Texas A&M University, College Station, TX 77843, USA
| | - Ziyaur Rahman
- Irma Lerma Rangel College of Pharmacy, Texas A&M Health Science Center, Texas A&M University, College Station, TX 77843, USA
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3
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Zhou X, Hu Y, Liu L, Liu L, Chen H, Huang D, Ju M, Luan C, Chen K, Zhang J. IL-33-mediated activation of mast cells is involved in the progression of imiquimod-induced psoriasis-like dermatitis. Cell Commun Signal 2023; 21:52. [PMID: 36894987 PMCID: PMC9996901 DOI: 10.1186/s12964-023-01075-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 02/11/2023] [Indexed: 03/11/2023] Open
Abstract
BACKGROUND Psoriasis is a chronic inflammatory dermatosis with an unclear pathogenesis. Mast cells (MCs) can serve as a bridge between innate and adaptive immunity and are involved in the regulation of the inflammatory state and immune homeostasis in diseases. MCs constitutively express interleukin-33 receptor T1/ST2 (IL-33R). IL-33 is a potent MCs activator that is actively secreted by keratinocytes in psoriasis. However, the regulatory role of MCs in psoriasis remains uncertain. Therefore, we hypothesised that IL-33 could promote MC activation to regulate psoriasis development. METHODS We performed experiments on wild-type (WT) and MC-deficient (Kit Wsh/Wsh) mice, established psoriasis-like mouse models using imiquimod (IMQ), and performed RNA sequencing and transcriptomic analysis of skin lesions. Exogenous administration was performed using recombinant IL-33. Validation and evaluation were performed using PSI scoring, immunofluorescence, immunohistochemistry, and qPCR. RESULTS We observed an upregulation in the number and activation of MCs in patients with psoriasis and in IMQ-induced psoriasis-like dermatitis. Deficiency of MCs ameliorates IMQ-induced psoriatic dermatitis at an early stage. IL-33 is increased and co-localized with MCs in the dermis of psoriasis-like lesions using immunofluorescence. Compared to WT mice, IMQ-induced KitWsh/Wsh mice demonstrated a delayed response to exogenous IL-33. CONCLUSIONS MCs are activated by IL-33 in the early stages of psoriasis and exacerbate psoriasis-associated skin inflammation. The regulation of MC homeostasis may be a potential therapeutic strategy for psoriasis. Video Abstract.
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Affiliation(s)
- Xuyue Zhou
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Yu Hu
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Lingxi Liu
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Lihao Liu
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Hongying Chen
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Dan Huang
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Mei Ju
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China
| | - Chao Luan
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China.
| | - Kun Chen
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China.
| | - Jiaan Zhang
- Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, China.
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Fujisawa S, Nagata Y, Suzuki R. Leukotriene D4 accelerates antigen-mediated mast cell responses via the cysteinyl leukotriene 1 receptor. Cell Immunol 2022; 382:104632. [PMID: 36274438 DOI: 10.1016/j.cellimm.2022.104632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 10/01/2022] [Accepted: 10/11/2022] [Indexed: 01/13/2023]
Abstract
Cysteinyl leukotrienes (CysLTs), released from mast cells (MCs), are important mediators in allergy. Type 1 receptors for CysLTs (CysLT1R) are involved in accelerating IgE-mediated MC activation. In this study, we aimed to elucidate the mechanisms underlying CysLT1R-mediated MC activation. The CysLT1R agonist/antagonist was applied to two types of major MC models-RBL-2H3 cells and bone marrow-derived MCs (BMMCs). The use of CysLT1R and CysLT2R inhibitors revealed that CysLT1R plays a major role in the acceleration of MC activation. The administration of the CysLT1R agonist leukotriene D4 upregulated IgE-mediated Akt and ERK phosphorylation and subsequently enhanced TNF-α expression, suggesting that CysLT1R regulates the downstream pathway of MC activation. However, these observations were not corroborated by CysLT1R knockdown using shRNA, suggesting a differential regulatory mechanism between the temporal and constitutive inhibitions of CysLT. In conclusion, CysLT1R enhances MC activation by accelerating IgE-induced signal transduction, which enables the co-regulation of rapid degranulation and delayed synthesis of inflammatory mediators in MCs.
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Affiliation(s)
- Sakura Fujisawa
- Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Ishikawa 920-1192, Japan
| | - Yuka Nagata
- Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Ishikawa 920-1192, Japan
| | - Ryo Suzuki
- Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Ishikawa 920-1192, Japan.
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Davis MJ, Kim HJ, Nichols CG. K ATP channels in lymphatic function. Am J Physiol Cell Physiol 2022; 323:C1018-C1035. [PMID: 35785984 PMCID: PMC9550566 DOI: 10.1152/ajpcell.00137.2022] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 06/22/2022] [Accepted: 06/23/2022] [Indexed: 11/22/2022]
Abstract
KATP channels function as negative regulators of active lymphatic pumping and lymph transport. This review summarizes and critiques the evidence for the expression of specific KATP channel subunits in lymphatic smooth muscle and endothelium, the roles that they play in normal lymphatic function, and their possible involvement in multiple diseases, including metabolic syndrome, lymphedema, and Cantú syndrome. For each of these topics, suggestions are made for directions for future research.
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Affiliation(s)
- Michael J Davis
- Department of Medical Pharmacology and Physiology, University of Missouri School of Medicine, Columbia, Missouri
| | - Hae Jin Kim
- Department of Medical Pharmacology and Physiology, University of Missouri School of Medicine, Columbia, Missouri
| | - Colin G Nichols
- Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, Missouri
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Pal S, Gashev A, Roy D. Nuclear localization of histamine receptor 2 in primary human lymphatic endothelial cells. Biol Open 2022; 11:bio059191. [PMID: 35776777 PMCID: PMC9257380 DOI: 10.1242/bio.059191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 05/25/2022] [Indexed: 11/22/2022] Open
Abstract
Histamine exerts its physiological functions through its four receptor subtypes. In this work, we report the subcellular localization of histamine receptor 2 (H2R), a G protein-coupled receptor (GPCR), which is expressed in a wide variety of cell and tissue types. A growing number of GPCRs have been shown to be localized in the nucleus and contribute toward transcriptional regulation. In this study, for the first time, we demonstrate the nuclear localization of H2R in lymphatic endothelial cells. In the presence of its ligand, we show significant upregulation of H2R nuclear translocation kinetics. Using fluorescently tagged histamine, we explored H2R-histamine binding interaction, which exhibits a critical role in this translocation event. Altogether, our results highlight the previously unrecognized nuclear localization pattern of H2R. At the same time, H2R as a GPCR imparts many unresolved questions, such as the functional relevance of this localization, and whether H2R can contribute directly to transcriptional regulation and can affect lymphatic specific gene expression. H2R blockers are commonly used medications that recently have shown significant side effects. Therefore, it is imperative to understand the precise molecular mechanism of H2R biology. In this aspect, our present data shed new light on the unexplored H2R signaling mechanisms. This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Sarit Pal
- Department of Medical Physiology, College of Medicine, Texas A&M University, Bryan, TX 77843, USA
| | - Anatoliy Gashev
- Department of Medical Physiology, College of Medicine, Texas A&M University, Bryan, TX 77843, USA
| | - Debarshi Roy
- Department of Biological Sciences, Alcorn State University, Lorman, MS 39096, USA
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Glutig K, Krüger PC, Oberreuther T, Nickel MD, Teichgräber U, Lorenz M, Mentzel HJ, Krämer M. Preliminary results of abdominal simultaneous multi-slice accelerated diffusion-weighted imaging with motion-correction in patients with cystic fibrosis and impaired compliance. Abdom Radiol (NY) 2022; 47:2783-2794. [PMID: 35596778 PMCID: PMC9300552 DOI: 10.1007/s00261-022-03549-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 01/18/2023]
Abstract
OBJECTIVES The aim of this prospective study was to compare scan time, image quality, signal-to-noise Ratio (SNR), and apparent diffusion coefficient (ADC) values of simultaneous multi-slice accelerated diffusion-weighted imaging with motion-correction (DWI SMS Moco) to standard diffusion-weighted imaging (sDWI) in free-breathing abdominal magnetic resonance imaging (MRI) in pediatric and young adult patients with cystic fibrosis (CF). MATERIAL AND METHODS 16 patients (7 male and 9 female, 12-41 years old) with CF were examined prospectively in a single-center from November 2020 to March 2021 on a 1.5 Tesla clinical MR scanner. The characteristics of overall image quality and delimitability of mesenteric lymph nodes were evaluated using a 5-point Likert scale by two experienced pediatric radiologists independently from each other. Quantitative parameters with SNR and ADC values were assessed in 8 different locations and compared using a Wilcoxon signed-rank test. RESULTS The acquisition time for DWI SMS Moco was 32% shorter than for sDWI. Regarding quality comparison, overall image quality and delimitability of mesenteric lymph nodes were significant higher in DWI SMS Moco (p ≤ 0.05 for both readers). The readers preferred DWI SMS Moco to sDWI in all cases (16/16). Mean SNR values from DWI SMS Moco and sDWI were similar in 7 from 8 locations. The ADC values showed no significant difference between DWI SMS Moco and sDWI in any of the evaluated locations (p > 0.05). CONCLUSIONS The DWI SMS Moco improves overall image quality and delimitability of mesenteric lymph nodes compared to sDWI with similar SNR and ADC values and a distinguished reduction of scan time in free-breathing by one third. We conclude that MRI with DWI SMS Moco could be helpful in monitoring the effect of the high-efficiency modulator (HEM) therapy in cystic fibrosis (CF) patients homozygous or heterozygous for F508del in the abdomen.
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Affiliation(s)
- Katja Glutig
- Department of Radiology, Section Pediatric Radiology, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany.
| | - Paul-Christian Krüger
- Department of Radiology, Section Pediatric Radiology, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany
| | - Theresa Oberreuther
- Department of Radiology, Section Pediatric Radiology, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany
| | | | - Ulf Teichgräber
- Department of Radiology, Jena University Hospital, Jena, Germany
| | - Michael Lorenz
- Cystic Fibrosis Centre, Department of Paediatrics, Jena University Hospital, Jena, Germany
| | - Hans-Joachim Mentzel
- Department of Radiology, Section Pediatric Radiology, Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany
| | - Martin Krämer
- Department of Radiology, Jena University Hospital, Jena, Germany
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Kakavas S, Karayiannis D, Mastora Z. The Complex Interplay between Immunonutrition, Mast Cells, and Histamine Signaling in COVID-19. Nutrients 2021; 13:nu13103458. [PMID: 34684460 PMCID: PMC8537261 DOI: 10.3390/nu13103458] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/17/2021] [Accepted: 09/27/2021] [Indexed: 12/23/2022] Open
Abstract
There is an ongoing need for new therapeutic modalities against SARS-CoV-2 infection. Mast cell histamine has been implicated in the pathophysiology of COVID-19 as a regulator of proinflammatory, fibrotic, and thrombogenic processes. Consequently, mast cell histamine and its receptors represent promising pharmacological targets. At the same time, nutritional modulation of immune system function has been proposed and is being investigated for the prevention of COVID-19 or as an adjunctive strategy combined with conventional therapy. Several studies indicate that several immunonutrients can regulate mast cell activity to reduce the de novo synthesis and/or release of histamine and other mediators that are considered to mediate, at least in part, the complex pathophysiology present in COVID-19. This review summarizes the effects on mast cell histamine of common immunonutrients that have been investigated for use in COVID-19.
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Affiliation(s)
- Sotirios Kakavas
- Critical Care Department, “Sotiria” General Hospital of Chest Diseases, 152 Mesogeion Avenue, 11527 Athens, Greece;
| | - Dimitrios Karayiannis
- Department of Clinical Nutrition, Evangelismos General Hospital of Athens, Ypsilantou 45-47, 10676 Athens, Greece
- Correspondence: ; Tel.: +30-213-2045035; Fax: +30-213-2041385
| | - Zafeiria Mastora
- First Department of Critical Care Medicine and Pulmonary Services, Evangelismos General Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece;
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Pham L, Baiocchi L, Kennedy L, Sato K, Meadows V, Meng F, Huang CK, Kundu D, Zhou T, Chen L, Alpini G, Francis H. The interplay between mast cells, pineal gland, and circadian rhythm: Links between histamine, melatonin, and inflammatory mediators. J Pineal Res 2021; 70:e12699. [PMID: 33020940 PMCID: PMC9275476 DOI: 10.1111/jpi.12699] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/18/2020] [Accepted: 09/26/2020] [Indexed: 12/14/2022]
Abstract
Our daily rhythmicity is controlled by a circadian clock with a specific set of genes located in the suprachiasmatic nucleus in the hypothalamus. Mast cells (MCs) are major effector cells that play a protective role against pathogens and inflammation. MC distribution and activation are associated with the circadian rhythm via two major pathways, IgE/FcεRI- and IL-33/ST2-mediated signaling. Furthermore, there is a robust oscillation between clock genes and MC-specific genes. Melatonin is a hormone derived from the amino acid tryptophan and is produced primarily in the pineal gland near the center of the brain, and histamine is a biologically active amine synthesized from the decarboxylation of the amino acid histidine by the L-histidine decarboxylase enzyme. Melatonin and histamine are previously reported to modulate circadian rhythms by pathways incorporating various modulators in which the nuclear factor-binding near the κ light-chain gene in B cells, NF-κB, is the common key factor. NF-κB interacts with the core clock genes and disrupts the production of pro-inflammatory cytokine mediators such as IL-6, IL-13, and TNF-α. Currently, there has been no study evaluating the interdependence between melatonin and histamine with respect to circadian oscillations in MCs. Accumulating evidence suggests that restoring circadian rhythms in MCs by targeting melatonin and histamine via NF-κB may be promising therapeutic strategy for MC-mediated inflammatory diseases. This review summarizes recent findings for circadian-mediated MC functional roles and activation paradigms, as well as the therapeutic potentials of targeting circadian-mediated melatonin and histamine signaling in MC-dependent inflammatory diseases.
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Affiliation(s)
- Linh Pham
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Science and Mathematics, Texas A&M University – Central Texas, Killeen, TX, USA
| | | | - Lindsey Kennedy
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Keisaku Sato
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Vik Meadows
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Fanyin Meng
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Medicine, Richard L. Roudebush VA Medical Center, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Chiung-Kuei Huang
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Debjyoti Kundu
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Tianhao Zhou
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Lixian Chen
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Gianfranco Alpini
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Medicine, Richard L. Roudebush VA Medical Center, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Heather Francis
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Medicine, Richard L. Roudebush VA Medical Center, Indiana University School of Medicine, Indianapolis, IN, USA
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Mast Cell Functions Linking Innate Sensing to Adaptive Immunity. Cells 2020; 9:cells9122538. [PMID: 33255519 PMCID: PMC7761480 DOI: 10.3390/cells9122538] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/20/2020] [Accepted: 11/23/2020] [Indexed: 12/11/2022] Open
Abstract
Although mast cells (MCs) are known as key drivers of type I allergic reactions, there is increasing evidence for their critical role in host defense. MCs not only play an important role in initiating innate immune responses, but also influence the onset, kinetics, and amplitude of the adaptive arm of immunity or fine-tune the mode of the adaptive reaction. Intriguingly, MCs have been shown to affect T-cell activation by direct interaction or indirectly, by modifying the properties of antigen-presenting cells, and can even modulate lymph node-borne adaptive responses remotely from the periphery. In this review, we provide a summary of recent findings that explain how MCs act as a link between the innate and adaptive immunity, all the way from sensing inflammatory insult to orchestrating the final outcome of the immune response.
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11
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O’Brien A, Gasheva O, Alpini G, Zawieja D, Gashev A, Glaser S. The Role of Lymphatics in Cholestasis: A Comprehensive Review. Semin Liver Dis 2020; 40:403-410. [PMID: 32906164 PMCID: PMC9624117 DOI: 10.1055/s-0040-1713675] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Cholestatic liver disease affects millions of people worldwide and stems from a plethora of causes such as immune dysfunction, genetics, cancerous growths, and lifestyle choices. While not considered a classical lymphatic organ, the liver plays a vital role in the lymph system producing up to half of the body's lymph per day. The lymphatic system is critical to the health of an organism with its networks of vessels that provide drainage for lymphatic fluid and routes for surveilling immune cells. Cholestasis results in an increase of inflammatory cytokines, growth factors, and inflammatory infiltrate. Left unchecked, further disease progression will include collagen deposition which impedes both the hepatic and lymphatic ducts, eventually resulting in an increase in hepatic decompensation, increasing portal pressures, and accumulation of fluid within the abdominal cavity (ascites). Despite the documented interplay between these vital systems, little is known about the effect of liver disease on the lymph system and its biological response. This review looks at the current cholestatic literature from the perspective of the lymphatic system and summarizes what is known about the role of the lymph system in liver pathogenesis during hepatic injury and remodeling, immune-modulating events, or variations in interstitial pressures.
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Affiliation(s)
- April O’Brien
- Department of Medical Physiology, College of Medicine, Texas A&M University, Bryan, Texas
| | - Olga Gasheva
- Department of Medical Physiology, College of Medicine, Texas A&M University, Bryan, Texas
| | - Gianfranco Alpini
- Department of Medicine, Division of Gastroenterology, Richard L. Roudebush VA Medical Center, Indiana University School of Medicine, Indianapolis, Indiana,Department of Medicine, Division of Gastroenterology and Hepatology, Indiana University School of Medicine, Indianapolis, Indiana
| | - David Zawieja
- Department of Medical Physiology, College of Medicine, Texas A&M University, Bryan, Texas
| | - Anatoliy Gashev
- Department of Medical Physiology, College of Medicine, Texas A&M University, Bryan, Texas
| | - Shannon Glaser
- Department of Medical Physiology, College of Medicine, Texas A&M University, Bryan, Texas
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12
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Pal S, Nath S, Meininger CJ, Gashev AA. Emerging Roles of Mast Cells in the Regulation of Lymphatic Immuno-Physiology. Front Immunol 2020; 11:1234. [PMID: 32625213 PMCID: PMC7311670 DOI: 10.3389/fimmu.2020.01234] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 05/18/2020] [Indexed: 12/12/2022] Open
Abstract
Mast cells (MCs) are abundant in almost all vascularized tissues. Furthermore, their anatomical proximity to lymphatic vessels and their ability to synthesize, store and release a large array of inflammatory and vasoactive mediators emphasize their significance in the regulation of the lymphatic vascular functions. As a major secretory cell of the innate immune system, MCs maintain their steady-state granule release under normal physiological conditions; however, the inflammatory response potentiates their ability to synthesize and secrete these mediators. Activation of MCs in response to inflammatory signals can trigger adaptive immune responses by dendritic cell-directed T cell activation. In addition, through the secretion of various mediators, cytokines and growth factors, MCs not only facilitate interaction and migration of immune cells, but also influence lymphatic permeability, contractility, and vascular remodeling as well as immune cell trafficking through the lymphatic vessels. In summary, the consequences of these events directly affect the lymphatic niche, influencing inflammation at multiple levels. In this review, we have summarized the recent advancements in our understanding of the MC biology in the context of the lymphatic vascular system. We have further highlighted the MC-lymphatic interaction axis from the standpoint of the tumor microenvironment.
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Affiliation(s)
- Sarit Pal
- Department of Medical Physiology, Texas A&M University Health Science Center College of Medicine, Bryan, TX, United States
| | - Shubhankar Nath
- Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, Boston, MA, United States
| | - Cynthia J Meininger
- Department of Medical Physiology, Texas A&M University Health Science Center College of Medicine, Bryan, TX, United States
| | - Anatoliy A Gashev
- Department of Medical Physiology, Texas A&M University Health Science Center College of Medicine, Bryan, TX, United States
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