1
|
Neshan M, Malakouti SK, Kamalzadeh L, Makvand M, Campbell A, Ahangari G. Alterations in T-Cell Transcription Factors and Cytokine Gene Expression in Late-Onset Alzheimer's Disease. J Alzheimers Dis 2021; 85:645-665. [PMID: 34864659 DOI: 10.3233/jad-210480] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
BACKGROUND Late-onset Alzheimer's disease (LOAD) is associated with many environmental and genetic factors. The effect of systemic inflammation on the pathogenesis of neurodegenerative diseases such as AD has been strongly suggested. T helper cells (Th) are one of the important components of the immune system and can easily infiltrate the brain in pathological conditions. The development of each Th-subset depends on the production of unique cytokines and their main regulator. OBJECTIVE This study aimed to compare the mRNA levels of Th-related genes derived from peripheral blood mononuclear cells of LOAD patients with control. Also, the identification of the most important Th1/Th2 genes and downstream pathways that may be involved in the pathogenesis of AD was followed by computational approaches. METHODS This study invloved 30 patients with LOAD and 30 non-demented controls. The relative expression of T-cell cytokines (IFN-γ, TNF-α, IL-4, and IL-5) and transcription factors (T-bet and GATA-3) were assessed using real-time PCR. Additionally, protein-protein interaction (PPI) was investigated by gene network construction. RESULTS A significant decrease at T-bet, IFN-γ, TNF-α, and GATA-3 mRNA levels was detected in the LOAD group, compared to the controls. However, there was no significant difference in IL-4 or IL-5 mRNA levels. Network analysis revealed a list of the highly connected protein (hubs) related to mitogen-activated protein kinase (MAPK) signaling and Th17 cell differentiation pathways. CONCLUSION The findings point to a molecular dysregulation in Th-related genes, which can promising in the early diagnosis or targeted interventions of AD. Furthermore, the PPI analysis showed that upstream off-target stimulation may involve MAPK cascade activation and Th17 axis induction.
Collapse
Affiliation(s)
- Masoud Neshan
- Department of Medical Genetics, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Seyed Kazem Malakouti
- Mental Health Research Center, Tehran Institute of Psychiatry-School of Behavioral Sciences and Mental Health, Iran University of Medical Sciences, Tehran, Iran
| | - Leila Kamalzadeh
- Mental Health Research Center, Tehran Institute of Psychiatry-School of Behavioral Sciences and Mental Health, Iran University of Medical Sciences, Tehran, Iran
| | - Mina Makvand
- Department of Medical Genetics, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Arezoo Campbell
- Department of Pharmaceutical Sciences, Western University of Health Sciences, Pomona, CA, USA
| | - Ghasem Ahangari
- Department of Medical Genetics, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| |
Collapse
|
2
|
Barman TK, Metzger DW. Disease Tolerance during Viral-Bacterial Co-Infections. Viruses 2021; 13:v13122362. [PMID: 34960631 PMCID: PMC8706933 DOI: 10.3390/v13122362] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/29/2021] [Accepted: 11/23/2021] [Indexed: 11/16/2022] Open
Abstract
Disease tolerance has emerged as an alternative way, in addition to host resistance, to survive viral-bacterial co-infections. Disease tolerance plays an important role not in reducing pathogen burden, but in maintaining tissue integrity and controlling organ damage. A common co-infection is the synergy observed between influenza virus and Streptococcus pneumoniae that results in superinfection and lethality. Several host cytokines and cells have shown promise in promoting tissue protection and damage control while others induce severe immunopathology leading to high levels of morbidity and mortality. The focus of this review is to describe the host cytokines and innate immune cells that mediate disease tolerance and lead to a return to host homeostasis and ultimately, survival during viral-bacterial co-infection.
Collapse
|
3
|
Sanguinete MMM, Oliveira PHD, Martins-Filho A, Micheli DC, Tavares-Murta BM, Murta EFC, Nomelini RS. Serum IL-6 and IL-8 Correlate with Prognostic Factors in Ovarian Cancer. Immunol Invest 2018; 46:677-688. [PMID: 28872976 DOI: 10.1080/08820139.2017.1360342] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The aim of the study was to correlate serum levels of IL-2, IL-5, IL-6, IL-8, IL-10, and TNF-α with clinical, laboratory, and pathological prognostic factors in patients with primary ovarian malignancy. Patients treated at the Pelvic Mass Ambulatory of the Discipline of Gynecology and Obstetrics/Oncology Research Institute (IPON) of the UFTM with confirmed diagnosis of malignant ovarian neoplasia (n = 26) were evaluated. Serum collection was performed preoperatively for the determination of tumor markers. The cytokines IL-2, IL-5, IL-6, IL-8, IL-10, and TNF-α were assayed by enzyme-linked immunosorbent assay (ELISA). The prognostic factors were compared using the Mann-Whitney test, with significance level lower than 0.05. When evaluating IL6, it was observed that higher serum levels were associated with overall survival less than 60 months (p = 0.0382). In the evaluation of IL8, higher serum levels were associated with neutrophil-to-lymphocyte ratio (NLR) ≥ 4 and platelet-to-lymphocyte ratio (PLR) ≥ 200 (p = 0.0198 and p = 0.0072, respectively), altered values of serum CA125 (p = 0.0457), and stage IIIC (p = 0.0486). Therefore, increased levels of IL-6 and IL-8 are associated with factors of worse prognosis in ovarian cancer. Additional studies with a larger sample of patients are needed to confirm the role of cytokines as prognostic factors, in the definition of treatment, and in the development of future target therapies.
Collapse
Affiliation(s)
- Marcela Moisés Maluf Sanguinete
- a Research Institute of Oncology (IPON)/Discipline of Gynecology and Obstetrics , Federal University of Triângulo Mineiro , Uberaba , MG , Brazil
| | - Paula Honório De Oliveira
- a Research Institute of Oncology (IPON)/Discipline of Gynecology and Obstetrics , Federal University of Triângulo Mineiro , Uberaba , MG , Brazil
| | - Agrimaldo Martins-Filho
- a Research Institute of Oncology (IPON)/Discipline of Gynecology and Obstetrics , Federal University of Triângulo Mineiro , Uberaba , MG , Brazil
| | - Douglas Côbo Micheli
- b Discipline of Pharmacology , Federal University of Triângulo Mineiro , Uberaba , MG , Brazil
| | | | - Eddie Fernando Candido Murta
- a Research Institute of Oncology (IPON)/Discipline of Gynecology and Obstetrics , Federal University of Triângulo Mineiro , Uberaba , MG , Brazil
| | - Rosekeila Simões Nomelini
- a Research Institute of Oncology (IPON)/Discipline of Gynecology and Obstetrics , Federal University of Triângulo Mineiro , Uberaba , MG , Brazil
| |
Collapse
|
4
|
Gonzales-van Horn SR, Estrada LD, van Oers NSC, Farrar JD. STAT4-mediated transcriptional repression of the IL5 gene in human memory Th2 cells. Eur J Immunol 2016; 46:1504-10. [PMID: 26990433 DOI: 10.1002/eji.201546050] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 02/19/2016] [Accepted: 03/11/2016] [Indexed: 12/20/2022]
Abstract
Type I interferon (IFN-α/β) plays a critical role in suppressing viral replication by driving the transcription of hundreds of interferon-sensitive genes (ISGs). While many ISGs are transcriptionally activated by the ISGF3 complex, the significance of other signaling intermediates in IFN-α/β-mediated gene regulation remains elusive, particularly in rare cases of gene silencing. In human Th2 cells, IFN-α/β signaling suppressed IL5 and IL13 mRNA expression during recall responses to T-cell receptor (TCR) activation. This suppression occurred through a rapid reduction in the rate of nascent transcription, independent of de novo expression of ISGs. Further, IFN-α/β-mediated STAT4 activation was required for repressing the human IL5 gene, and disrupting STAT4 dimerization reversed this effect. This is the first demonstration of STAT4 acting as a transcriptional repressor in response to IFN-α/β signaling and highlights the unique activity of this cytokine to acutely block the expression of an inflammatory cytokine in human T cells.
Collapse
Affiliation(s)
| | - Leonardo D Estrada
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Nicolai S C van Oers
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - J David Farrar
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| |
Collapse
|
5
|
Exercise training, lymphocyte subsets and their cytokines production: experience of an Italian professional football team and their impact on allergy. BIOMED RESEARCH INTERNATIONAL 2014. [PMID: 25050349 DOI: 10.1155/2014/429248.] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND In recent years, numerous articles have attempted to shed light on our understanding of the pathophysiological mechanisms of exercise-induced immunologic changes and their impact on allergy and asthma. It is known that lymphocyte subclasses, cytokines, and chemokines show modifications after exercise, but outcomes can be affected by the type of exercise as well as by its intensity and duration. Interesting data have been presented in many recent studies on mouse models, but few studies on humans have been performed to check the long-term effects of exercise over a whole championship season. METHODS This study evaluated lymphocyte subsets and their intracellular IL-2, IL-4, TNF-α, and IFN-γ production in professional football (soccer) players, at three stages of the season, to evaluate if alterations occur, particularly in relation to their allergic status. RESULTS AND CONCLUSION Despite significant mid-season alterations, no significant lymphocyte subclasses count modifications, except for NKs that were significantly higher, were observed at the end. IL-2 and IL-4 producing cells showed a significant decrease (P = 0.018 and P = 0.001, but in a steady fashion for IL-4), confirming the murine data about the potential beneficial effects of aerobic exercise for allergic asthma.
Collapse
|
6
|
Exercise training, lymphocyte subsets and their cytokines production: experience of an Italian professional football team and their impact on allergy. BIOMED RESEARCH INTERNATIONAL 2014; 2014:429248. [PMID: 25050349 PMCID: PMC4094862 DOI: 10.1155/2014/429248] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Revised: 05/26/2014] [Accepted: 05/28/2014] [Indexed: 11/17/2022]
Abstract
BACKGROUND In recent years, numerous articles have attempted to shed light on our understanding of the pathophysiological mechanisms of exercise-induced immunologic changes and their impact on allergy and asthma. It is known that lymphocyte subclasses, cytokines, and chemokines show modifications after exercise, but outcomes can be affected by the type of exercise as well as by its intensity and duration. Interesting data have been presented in many recent studies on mouse models, but few studies on humans have been performed to check the long-term effects of exercise over a whole championship season. METHODS This study evaluated lymphocyte subsets and their intracellular IL-2, IL-4, TNF-α, and IFN-γ production in professional football (soccer) players, at three stages of the season, to evaluate if alterations occur, particularly in relation to their allergic status. RESULTS AND CONCLUSION Despite significant mid-season alterations, no significant lymphocyte subclasses count modifications, except for NKs that were significantly higher, were observed at the end. IL-2 and IL-4 producing cells showed a significant decrease (P = 0.018 and P = 0.001, but in a steady fashion for IL-4), confirming the murine data about the potential beneficial effects of aerobic exercise for allergic asthma.
Collapse
|
7
|
Kitamura N, Kaminuma O, Mori A, Hashimoto T, Kitamura F, Miyagishi M, Taira K, Miyatake S. Correlation between mRNA expression of Th1/Th2 cytokines and their specific transcription factors in human helper T-cell clones. Immunol Cell Biol 2008; 83:536-41. [PMID: 16174104 DOI: 10.1111/j.1440-1711.2005.01364.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The mechanisms that underlie Th1/Th2 differentiation of human T cells are incompletely defined. In the present study, a panel of human T-cell clones was used to elucidate the relationship between Th1/Th2-specific transcription factors and cytokine production in human helper T cells. The mRNA expression level of T-bet, a Th1-specific transcription factor, was higher in Th1 clones than in Th2 clones. In contrast, inducible expression of Th2-specific transcription factors (GATA-3 and c-Maf) in Th2 clones was higher than that in Th1 clones. The expression level of T-bet in various T-cell clones was positively correlated with that of IFN-gamma and negatively correlated with that of Th2 cytokines, particularly IL-4. Interestingly, the expression of IL-3 and IL-13, but not of other Th2 cytokines IL-4 and IL-5, was strongly correlated with GATA-3 mRNA levels. A reduction of GATA-3 using RNA interference technology suppressed, whereas overexpression of GATA-3 enhanced, the expression of IL-3 and IL-13. In conclusion, the level of T-bet expression is correlated with Th1/Th2 polarization status, whereas GATA-3 is a crucial factor in determining the IL-3 and IL-13 producing capacity of human T cells.
Collapse
Affiliation(s)
- Noriko Kitamura
- Department of Immunology, The Tokyo Metropolitan Institute of Medical Science, Bunkyo-ku, Tokyo, Japan
| | | | | | | | | | | | | | | |
Collapse
|
8
|
Asthma. PEDIATRIC ALLERGY, ASTHMA AND IMMUNOLOGY 2008. [PMCID: PMC7120610 DOI: 10.1007/978-3-540-33395-1_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Asthma has been recognized as a disease since the earliest times. In the Corpus Hippocraticum, Hippocrates used the term “ασθμα” to indicate any form of breathing difficulty manifesting itself by panting. Aretaeus of Cappadocia, a well-known Greek physician (second century A.D.), is credited with providing the first detailed description of an asthma attack [13], and to Celsus it was a disease with wheezing and noisy, violent breathing. In the history of Rome, we find many members of the Julio-Claudian family affected with probable atopic respiratory disorders: Caesar Augustus suffered from bronchoconstriction, seasonal rhinitis as well as a highly pruritic skin disease. Claudius suffered from rhinoconjunctivitis and Britannicus was allergic to horse dander [529]. Maimonides (1136–1204) warned that to neglect treatment of asthma could prove fatal, whereas until the 19th century, European scholars defined it as “nervous asthma,” a term that was given to mean a defect of conductivity of the ninth pair of cranial nerves.
Collapse
|
9
|
Current World Literature. Curr Opin Allergy Clin Immunol 2006; 6:67-9. [PMID: 16505615 DOI: 10.1097/01.all.0000202355.95779.17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|