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Li J, Wang P, Zhou T, Jiang W, Wu H, Zhang S, Deng L, Wang H. Neuroprotective effects of interleukin 10 in spinal cord injury. Front Mol Neurosci 2023; 16:1214294. [PMID: 37492521 PMCID: PMC10363608 DOI: 10.3389/fnmol.2023.1214294] [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: 04/29/2023] [Accepted: 06/26/2023] [Indexed: 07/27/2023] Open
Abstract
Spinal cord injury (SCI) starts with a mechanical and/or bio-chemical insult, followed by a secondary phase, leading progressively to severe collapse of the nerve tissue. Compared to the peripheral nervous system, injured spinal cord is characterized by weak axonal regeneration, which leaves most patients impaired or paralyzed throughout lifetime. Therefore, confining, alleviating, or reducing the expansion of secondary injuries and promoting functional connections between rostral and caudal regions of lesion are the main goals of SCI therapy. Interleukin 10 (IL-10), as a pivotal anti-inflammatory and immunomodulatory cytokine, exerts a wide spectrum of positive effects in the treatment of SCI. The mechanisms underlying therapeutic effects mainly include anti-oxidative stress, limiting excessive inflammation, anti-apoptosis, antinociceptive effects, etc. Furthermore, IL-10 displays synergistic effects when combined with cell transplantation or neurotrophic factor, enhancing treatment outcomes. This review lists pleiotropic mechanisms underlying IL-10-mediated neuroprotection after SCI, which may offer fresh perspectives for clinical translation.
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Affiliation(s)
- Juan Li
- Department of Rehabilitation Medicine, Zhongda Hospital Southeast University, Nanjing, China
| | - Pei Wang
- Department of Rehabilitation Medicine, Zhongda Hospital Southeast University, Nanjing, China
| | - Ting Zhou
- Department of Rehabilitation Medicine, Zhongda Hospital Southeast University, Nanjing, China
| | - Wenwen Jiang
- Department of Rehabilitation Medicine, Zhongda Hospital Southeast University, Nanjing, China
| | - Hang Wu
- Department of Rehabilitation Medicine, Zhongda Hospital Southeast University, Nanjing, China
| | - Shengqi Zhang
- Department of Rehabilitation Medicine, Zhongda Hospital Southeast University, Nanjing, China
| | - Lingxiao Deng
- Department of Neurological Surgery, Spinal Cord and Brain Injury Research Group, Stark Neurosciences Research Institute, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Hongxing Wang
- Department of Rehabilitation Medicine, Zhongda Hospital Southeast University, Nanjing, China
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Inflammatory Bowel Disease: A Review of Pre-Clinical Murine Models of Human Disease. Int J Mol Sci 2022; 23:ijms23169344. [PMID: 36012618 PMCID: PMC9409205 DOI: 10.3390/ijms23169344] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 12/11/2022] Open
Abstract
Crohn’s disease (CD) and ulcerative colitis (UC) are both highly inflammatory diseases of the gastrointestinal tract, collectively known as inflammatory bowel disease (IBD). Although the cause of IBD is still unclear, several experimental IBD murine models have enabled researchers to make great inroads into understanding human IBD pathology. Here, we discuss the current pre-clinical experimental murine models for human IBD, including the chemical-induced trinitrobenzene sulfonic acid (TNBS) model, oxazolone and dextran sulphate sodium (DSS) models, the gene-deficient I-kappa-B kinase gamma (Iκκ-γ) and interleukin(IL)-10 models, and the CD4+ T-cell transfer model. We offer a comprehensive review of how these models have been used to dissect the etiopathogenesis of disease, alongside their limitations. Furthermore, the way in which this knowledge has led to the translation of experimental findings into novel clinical therapeutics is also discussed.
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3
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Tannir NM, Papadopoulos KP, Wong DJ, Aljumaily R, Hung A, Afable M, Kim JS, Ferry D, Drakaki A, Bendell J, Naing A. Pegilodecakin as monotherapy or in combination with anti-PD-1 or tyrosine kinase inhibitor in heavily pretreated patients with advanced renal cell carcinoma: Final results of cohorts A, G, H and I of IVY Phase I study. Int J Cancer 2021; 149:403-408. [PMID: 33709428 PMCID: PMC8251721 DOI: 10.1002/ijc.33556] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/16/2021] [Accepted: 02/26/2021] [Indexed: 12/26/2022]
Abstract
Interleukin (IL)‐10 has anti‐inflammatory and CD8+ T‐cell‐stimulating properties. Pegilodecakin (pegylated recombinant human IL‐10) induces intratumoral antigen‐specific CD8 + T‐cells and upregulates IFNγ and major histocompatibility complexes (MHC) I and II. Pegilodecakin has single‐agent activity with manageable toxicity in advanced renal cell carcinama (aRCC) (data cutoff 24 March 2016). Pegilodecakin with pembrolizumab or nivolumab revealed clinical activity in aRCC (data cutoff 1 July 2018). Here, we report for the first time the results of pegilodecakin+ pazopanib, and final results for monotherapy and long‐term follow‐up with pegilodecakin + anti‐programmed cell death 1 (anti‐PD‐1) inhibitors (data cutoff 19 February 2019). Phase 1/1b multi‐cohort dose escalation IVY study enrolled 353 patients. Sixty‐six patients with aRCC were treated with pegilodecakin alone or with pazopanib or anti‐PD‐1 inhibitor in cohorts A, G, H and I (data cutoff 19 February 2019). Primary endpoints included safety and tolerability. Secondary endpoint was tumor response by immune‐related response criteria (irRC). Pegilodecakin plus nivolumab or pembrolizumab yielded median progression‐free survival (mPFS) of 13.9 months and 6‐month PFS probability of 60%, 76% 1‐year overall survival (OS) probability and 61% 2‐year OS probability. Pegilodecakin monotherapy produced mPFS of 1.8 months, 6‐month PFS probability 25%, 1‐year OS 50%, and 2‐year OS 17%. Median OS was not reached in both combinations. Objective response rates (ORRs) were 33% with pazopanib and 43% with anti‐PD‐1. Most common Grade 3/4 treatment‐related adverse events included anemia, thrombocytopenia and hypertriglyceridemia. In these heavily pretreated renal cell carcinama cohorts of IVY, pegilodecakin+anti‐PD‐1 inhibitor showed promising clinical activity. Safety profile of pegilodecakin alone and with anti‐PD‐1 inhibitors was consistent as previously reported.
What's new?
Despite recent progress in the treatment of renal cell cancer (RCC), there is still an urgent need for treatments that will further improve the prognosis of patients with advanced RCC. Pegilodecakin is a promising IL‐10 analogue that induces CD8+T‐cell‐mediated immune activation. Does a combination regimen yield better outcomes in heavily pretreated RCC patients than pegilodecakin alone? In this study, the authors found that the most promising clinical activity was obtained using a combination of pegilodecakin plus an anti‐PD‐1 inhibitor. Combination with a tyrosine‐kinase inhibitor of VEGFR was also better than pegilodecakin monotherapy.
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Affiliation(s)
- Nizar M Tannir
- Department of Genitourinary Medical Oncology, Division of Cancer Medicine, MD Anderson Cancer Center, Houston, Texas, USA
| | | | - Deborah J Wong
- Department of Medicine, University of California Los Angeles (UCLA), Los Angeles, California, USA
| | - Raid Aljumaily
- Department of Internal Medicine, Section of Hematology and Oncology, Stephenson Cancer Center of the University of Oklahoma and Sarah Cannon Research Institute, Oklahoma City, Oklahoma, USA
| | - Annie Hung
- Eli Lilly and Company, Indianapolis, Indiana, USA
| | | | | | - David Ferry
- Eli Lilly and Company, New York City, New York, USA
| | - Alexandra Drakaki
- Department of Medicine, University of California Los Angeles (UCLA), Los Angeles, California, USA
| | - Johanna Bendell
- Sarah Cannon Research Institute/Tennessee Oncology, Nashville, Tennessee, USA
| | - Aung Naing
- Department of Genitourinary Medical Oncology, Division of Cancer Medicine, MD Anderson Cancer Center, Houston, Texas, USA
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4
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Du F, Liu B, Zhang S. COVID-19: the role of excessive cytokine release and potential ACE2 down-regulation in promoting hypercoagulable state associated with severe illness. J Thromb Thrombolysis 2021; 51:313-329. [PMID: 32676883 PMCID: PMC7365308 DOI: 10.1007/s11239-020-02224-2] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The novel coronavirus disease (COVID-19) has become a universally prevalent infectious disease. The causative virus of COVID-19 is severe acute respiratory syndrome coronavirus type 2. Recent retrospective clinical studies have established a significant association between the incidence of vascular thrombotic events and the severity of COVID-19. The enhancement in serum levels of markers that reflect a hypercoagulable state has been suggested to indicate a poor prognosis. Therefore, at present, it is crucial to understand the mechanisms that foster the hypercoagulable state in COVID-19. Over-activated inflammatory response, which is manifested as excessive cytokine release in COVID-19 patients, is also associated with COVID-19 severity. This review discusses the immuno-pathological basis of the excessive cytokine release in COVID-19. Besides, this article reviews the role of pro-inflammatory or anti-inflammatory cytokines, whose significant elevations in their serum levels have been consistently detected in multiple different clinical studies, in promoting the hypercoagulable state. Since the expression of angiotensin-converting enzyme 2 (ACE2) is potentially down-regulated in COVID-19, as proposed by a recent bio-informatic analysis, mechanisms through which reduced ACE2 expressions promote vascular thrombosis are summarized. In addition, the reciprocal-enhancing effects of the excessive cytokine release and the downregulated ACE2 expression on their pro-thrombotic activities are further discussed. Here, based on currently available evidence, we review the pathogenic mechanisms of the hypercoagulable state associated with severe cases of COVID-19 to give insights into prevention and treatment of the vascular thrombotic events in COVID-19.
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Affiliation(s)
- Fenghe Du
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1st, Dongcheng District, Beijing, 100730, China.,Four-Year Program of Clinical Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Bao Liu
- Department of Vascular Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1st, Dongcheng District, Beijing, 100730, China.
| | - Shuyang Zhang
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Shuaifuyuan 1st, Dongcheng District, Beijing, 100730, China.
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5
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Naing A, Wong DJ, Infante JR, Korn WM, Aljumaily R, Papadopoulos KP, Autio KA, Pant S, Bauer TM, Drakaki A, Daver NG, Hung A, Ratti N, McCauley S, Van Vlasselaer P, Verma R, Ferry D, Oft M, Diab A, Garon EB, Tannir NM. Pegilodecakin combined with pembrolizumab or nivolumab for patients with advanced solid tumours (IVY): a multicentre, multicohort, open-label, phase 1b trial. Lancet Oncol 2019; 20:1544-1555. [PMID: 31563517 DOI: 10.1016/s1470-2045(19)30514-5] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 06/19/2019] [Accepted: 06/20/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND IL-10 has anti-inflammatory and CD8+ T-cell stimulating activities. Pegilodecakin (pegylated IL-10) is a first-in-class, long-acting IL-10 receptor agonist that induces oligoclonal T-cell expansion and has single-agent activity in advanced solid tumours. We assessed the safety and activity of pegilodecakin with anti-PD-1 monoclonal antibody inhibitors in patients with advanced solid tumours. METHODS We did a multicentre, multicohort, open-label, phase 1b trial (IVY) at 12 cancer research centres in the USA. Patients were assigned sequentially into cohorts. Here, we report on all enrolled patients from two cohorts treated with pegilodecakin combined with anti-PD-1 inhibitors. Eligible patients were aged at least 18 years with histologically or cytologically confirmed advanced malignant solid tumours refractory to previous therapies, and an Eastern Cooperative Oncology Group performance status of 0 or 1. Patients with uncontrolled infectious diseases were excluded. Pegilodecakin was provided in single-use 3 mL vials and was self-administered subcutaneously by injection at home at 10 μg/kg or 20 μg/kg once per day in combination with pembrolizumab (2 mg/kg every 3 weeks or 200 mg every 3 weeks) or nivolumab (3 mg/kg every 2 weeks or 240 mg every 2 weeks or 480 mg every 4 weeks at the approved dosing), both of which were given intravenously at the study site. Patients received pembrolizumab or nivolumab with pegilodecakin until disease progression, toxicity necessitating treatment discontinuation, patient withdrawal of consent, or study end. The primary endpoints were safety and tolerability, assessed in all patients enrolled in the study who received any amount of study medication including at least one dose of pegilodecakin, and pharmacokinetics (previously published). Secondary endpoints included objective response by immune-related response criteria in all patients who were treated and had evaluable measurements. The study is active but no longer recruiting, and is registered with ClinicalTrials.gov, NCT02009449. FINDINGS Between Feb 13, 2015, and Sept 12, 2017, 111 patients were enrolled in the two cohorts. 53 received pegilodecakin plus pembrolizumab, and 58 received pegilodecakin plus nivolumab. 34 (31%) of 111 patients had non-small-cell lung cancer, 37 (33%) had melanoma, and 38 (34%) had renal cell carcinoma; one (<1%) patient had triple-negative breast cancer and one (<1%) had bladder cancer. Data cutoff was July 1, 2018. Median follow-up was 26·9 months (IQR 22·3-31·5) for patients with non-small-cell lung cancer, 33·0 months (29·2-35·1) for those with melanoma, and 22·7 months (20·9-27·0) for those with renal cell carcinoma. At least one treatment-related adverse event occurred in 103 (93%) of 111 patients. Grade 3 or 4 events occurred in 73 (66%) of 111 patients (35 [66%] of 53 in the pembrolizumab group and 38 [66%] of 58 in the nivolumab group), the most common of which were anaemia (12 [23%] in the pembrolizumab group and 16 [28%] in the nivolumab group), thrombocytopenia (14 [26%] in the pembrolizumab group and 12 [21%] in the nivolumab group), fatigue (11 [21%] in the pembrolizumab group and 6 [10%] in the nivolumab group) and hypertriglyceridaemia (three [6%] in the pembrolizumab group and eight [14%] in the nivolumab group). There were no fatal adverse events determined to be related to the study treatments. Of the patients evaluable for response, objective responses were 12 (43%) of 28 (non-small-cell lung cancer), three (10%) of 31 (melanoma), and 14 (40%) of 35 (renal cell carcinoma). INTERPRETATION In this patient population, pegilodecakin with anti-PD-1 monoclonal antibodies had a manageable toxicity profile and preliminary antitumour activity. Pegilodecakin with pembrolizumab or nivolumab could provide a new therapeutic opportunity for previously treated patients with renal cell carcinoma and non-small-cell carcinoma. FUNDING ARMO BioSciences, a wholly owned subsidiary of Eli Lilly and Company.
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Affiliation(s)
- Aung Naing
- MD Anderson Cancer Center, Houston, TX, USA.
| | - Deborah J Wong
- David Geffen School of Medicine, TRIO-US, University of California Los Angeles, Los Angeles, CA, USA
| | - Jeffrey R Infante
- Sarah Cannon Research Institute/Tennessee Oncology, Nashville, TN, USA
| | - W Michael Korn
- University of California San Francisco, San Francisco, CA, USA
| | - Raid Aljumaily
- Sarah Cannon Research Institute/Tennessee Oncology, Nashville, TN, USA; Stephenson Cancer Center at the University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | | | - Karen A Autio
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Shubham Pant
- MD Anderson Cancer Center, Houston, TX, USA; Stephenson Cancer Center at the University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Todd M Bauer
- Sarah Cannon Research Institute/Tennessee Oncology, Nashville, TN, USA
| | - Alexandra Drakaki
- David Geffen School of Medicine, TRIO-US, University of California Los Angeles, Los Angeles, CA, USA
| | | | | | - Navneet Ratti
- ARMO BioSciences, Redwood City, CA, USA; Synthkine, Menlo Park, USA
| | - Scott McCauley
- ARMO BioSciences, Redwood City, CA, USA; Synthkine, Menlo Park, USA
| | | | | | - David Ferry
- Eli Lilly and Company, New York City, NY, USA
| | - Martin Oft
- ARMO BioSciences, Redwood City, CA, USA; Synthkine, Menlo Park, USA
| | - Adi Diab
- MD Anderson Cancer Center, Houston, TX, USA
| | - Edward B Garon
- David Geffen School of Medicine, TRIO-US, University of California Los Angeles, Los Angeles, CA, USA
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Association between Inflammatory Cytokine Levels and Thrombocytopenia during Plasmodium falciparum and P. vivax Infections in South-Western Coastal Region of India. Malar Res Treat 2019; 2019:4296523. [PMID: 31110658 PMCID: PMC6487116 DOI: 10.1155/2019/4296523] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/11/2019] [Accepted: 03/26/2019] [Indexed: 12/20/2022] Open
Abstract
Background Thrombocytopenia is a most commonly observed complication during malaria infections. Inflammatory cytokines such as IL-1, IL-6, and IL-10 have been documented in malaria induced thrombocytopaenia. This study was aimed to understand the possible relationship between inflammatory cytokines across varying degrees of thrombocytopenia during P. vivax, P. falciparum, and mixed infections. Methods A hospital-based cross sectional study was conducted at District Wenlock Hospital in Mangaluru, a city situated along the south-western coastal region of Arabian Sea in India. In this study, blood samples from 627 malaria patients were analyzed for infected parasite species, clinical conditions, platelet levels, and key cytokines that are produced in response to infection; samples from 176 uninfected healthy individuals were used as controls. Results The results of our study showed a high prevalence of malarial thrombocytopenia (platelets <150 ×103/μl) in this endemic settings. About 62.7% patients had mild-to-moderate levels of thrombocytopenia and 16% patients had severe thrombocytopenia (platelets <50 × 103/μl). Upon comparison of cytokines across varying degrees of thrombocytopenia, irrespective of infecting species, the levels of TNF-α and IL-10 were significantly higher during thrombocytopenia, whereas IL-6 levels were considerably lower in severe thrombocytopenia patients suffering from P. vivax or P. falciparum infections. The severe clinical complications observed in patients with malarial thrombocytopenia included severe anemia (17.5%), acute renal failure (12.7%), jaundice (27.0%), metabolic acidosis (36.5%), spontaneous bleeding (3.2%), hypoglycemia (25.4%), hyperparasitemia (4.8%), acute respiratory distress syndrome (1.6%), pulmonary edema (19.0%), and cerebral malaria (1.6%) in various combinations. Conclusion Overall, the results of our study suggest that inflammatory cytokines influence the transformation of mild forms of thrombocytopenia into severe forms during malarial infections. Further studies are needed to understand the association of inflammatory cytokine responses with severe malaria complications and thrombocytopenia.
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Shabrish S, Kelkar M, Chavan N, Desai M, Bargir U, Gupta M, Mehta P, Chichra A, S C, Taur P, Saxena V, Vundinti BR, Madkaikar M. Natural Killer Cell Degranulation Defect: A Cause for Impaired NK-Cell Cytotoxicity and Hyperinflammation in Fanconi Anemia Patients. Front Immunol 2019; 10:490. [PMID: 30949167 PMCID: PMC6438155 DOI: 10.3389/fimmu.2019.00490] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 02/22/2019] [Indexed: 12/17/2022] Open
Abstract
Fanconi anemia (FA) is a rare inherited syndrome characterized by progressive bone marrow failure (BMF), abnormal skin pigmentation, short stature, and increased cancer risk. BMF in FA is multifactorial and largely results from the death of hematopoietic stem cells due to genomic instability. Also, inflammatory pathology in FA has been previously reported, however the mechanism is still not clear. In literature, decreased NK-cell count and/or impaired NK-cell activity, along with other immunological abnormalities have been described in FA-patients (1). However, to the best of our knowledge, this is the first report showing a defective degranulation mechanism leading to abnormal NK-cell cytotoxicity in FA-patients, which may explain the development of a hyperinflammatory response in these patients. This may predispose some patients to develop Hemophagocytic lymphohistiocytosis (HLH) which manifests with prolonged fever, progressive cytopenias and organomegaly. Early diagnosis and initiation of immunosuppressive therapy in these patients will help to better manage these patients. We also propose FA genes to be listed as a cause of familial HLH.
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Affiliation(s)
- Snehal Shabrish
- Department of Paediatric Immunology and Leukocyte Biology, National Institute of Iummunohematology (ICMR), KEM Hospital, Mumbai, India
| | - Madhura Kelkar
- Department of Paediatric Immunology and Leukocyte Biology, National Institute of Iummunohematology (ICMR), KEM Hospital, Mumbai, India
| | - Niranjan Chavan
- Department of Paediatric Immunology and Leukocyte Biology, National Institute of Iummunohematology (ICMR), KEM Hospital, Mumbai, India
| | - Mukesh Desai
- Division of Immunology, Bai Jerbai Wadia Hospital for Children, Mumbai, India
| | - Umair Bargir
- Department of Paediatric Immunology and Leukocyte Biology, National Institute of Iummunohematology (ICMR), KEM Hospital, Mumbai, India
| | - Maya Gupta
- Department of Paediatric Immunology and Leukocyte Biology, National Institute of Iummunohematology (ICMR), KEM Hospital, Mumbai, India
| | | | | | - Chandrakala S
- Department of Haematology, Seth G. S. Medical College and KEM Hospital, Mumbai, India
| | - Prasad Taur
- Division of Immunology, Bai Jerbai Wadia Hospital for Children, Mumbai, India
| | - Vinay Saxena
- National Institute of Virology, Mumbai Unit, Haffkine Institute, Mumbai, India
| | - Babu Rao Vundinti
- Department of Paediatric Immunology and Leukocyte Biology, National Institute of Iummunohematology (ICMR), KEM Hospital, Mumbai, India
| | - Manisha Madkaikar
- Department of Paediatric Immunology and Leukocyte Biology, National Institute of Iummunohematology (ICMR), KEM Hospital, Mumbai, India
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Spaner DE, McCaw L, Wang G, Tsui H, Shi Y. Persistent janus kinase-signaling in chronic lymphocytic leukemia patients on ibrutinib: Results of a phase I trial. Cancer Med 2019; 8:1540-1550. [PMID: 30843659 PMCID: PMC6488147 DOI: 10.1002/cam4.2042] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 01/20/2019] [Accepted: 02/04/2019] [Indexed: 12/13/2022] Open
Abstract
Methods to deepen clinical responses to ibrutinib are needed to improve outcomes for patients with chronic lymphocytic leukemia (CLL). This study aimed to determine the safety and efficacy of combining a janus kinase (JAK)‐inhibitor with ibrutinib because JAK‐mediated cytokine‐signals support CLL cells and may not be inhibited by ibrutinib. The JAK1/2 inhibitor ruxolitinib was prescribed to 12 CLL patients with abnormal serum beta‐2 microglobulin levels after 6 months or persistent lymphadenopathy or splenomegaly after 12 months on ibrutinib using a 3 + 3 phase 1 trial design (NCT02912754). Ibrutinib was continued at 420 mg daily and ruxolitinib was added at 5, 10, 15, or 20 mg BID for 3 weeks out of five for seven cycles. The break was mandated to avoid anemia and thrombocytopenia observed with ruxolitinib as a single agent in CLL. The combination was well‐tolerated without dose‐limiting toxicities. Cyclic changes in platelets, lymphocytes, and associated chemokines and thrombopoietic factors were observed and partial response criteria were met in 2 of 12 patients. The results suggest that JAK‐signaling helps CLL cells persist in the presence of ibrutinib and ruxolitinib with ibrutinib is well‐tolerated and may be a useful regiment to use in combination therapies for CLL.
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Affiliation(s)
- David E Spaner
- Biology Platform, Sunnybrook Research Institute, Toronto, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, Canada.,Sunnybrook Odette Cancer Center, Toronto, Canada.,Department of Medicine, University of Toronto, Toronto, Canada.,Department of Immunology, University of Toronto, Toronto, Canada
| | - Lindsay McCaw
- Biology Platform, Sunnybrook Research Institute, Toronto, Canada
| | - Guizhei Wang
- Biology Platform, Sunnybrook Research Institute, Toronto, Canada
| | - Hubert Tsui
- Department of Immunology, University of Toronto, Toronto, Canada.,Division of Hematopathology, Sunnybrook Health Sciences Center, Toronto, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
| | - Yonghong Shi
- Biology Platform, Sunnybrook Research Institute, Toronto, Canada
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Wang X, Wong K, Ouyang W, Rutz S. Targeting IL-10 Family Cytokines for the Treatment of Human Diseases. Cold Spring Harb Perspect Biol 2019; 11:cshperspect.a028548. [PMID: 29038121 DOI: 10.1101/cshperspect.a028548] [Citation(s) in RCA: 139] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Members of the interleukin (IL)-10 family of cytokines play important roles in regulating immune responses during host defense but also in autoimmune disorders, inflammatory diseases, and cancer. Although IL-10 itself primarily acts on leukocytes and has potent immunosuppressive functions, other family members preferentially target nonimmune compartments, such as tissue epithelial cells, where they elicit innate defense mechanisms to control viral, bacterial, and fungal infections, protect tissue integrity, and promote tissue repair and regeneration. As cytokines are prime drug targets, IL-10 family cytokines provide great opportunities for the treatment of autoimmune diseases, tissue damage, and cancer. Yet no therapy in this space has been approved to date. Here, we summarize the diverse biology of the IL-10 family as it relates to human disease and review past and current strategies and challenges to target IL-10 family cytokines for clinical use.
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Affiliation(s)
- Xiaoting Wang
- Department of Comparative Biology and Safety Sciences, Amgen, South San Francisco, California 94080
| | - Kit Wong
- Department of Biomarker Development, Genentech, South San Francisco, California 94080
| | - Wenjun Ouyang
- Department of Inflammation and Oncology, Amgen, South San Francisco, California 94080
| | - Sascha Rutz
- Department of Cancer Immunology, Genentech, South San Francisco, California 94080
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10
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Affiliation(s)
- Brendan J. McMorran
- Department of Immunology and Infectious Disease; John Curtin School of Medical Research; Australian National University; Canberra Australia
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11
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Common Variable Immunodeficiency patients with a phenotypic profile of immunosenescence present with thrombocytopenia. Sci Rep 2017; 7:39710. [PMID: 28054583 PMCID: PMC5214528 DOI: 10.1038/srep39710] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Accepted: 11/25/2016] [Indexed: 12/30/2022] Open
Abstract
Common variable immunodeficiency (CVID) is a heterogeneous group of diseases. Our aim was to define sub-groups of CVID patients with similar phenotypes and clinical characteristics. Using eight-color flow cytometry, we analyzed both B- and T-cell phenotypes in a cohort of 88 CVID patients and 48 healthy donors. A hierarchical clustering of probability binning “bins” yielded a separate cluster of 22 CVID patients with an abnormal phenotype. We showed coordinated proportional changes in naïve CD4+ T-cells (decreased), intermediate CD27− CD28+ CD4+ T-cells (increased) and CD21low B-cells (increased) that were stable for over three years. Moreover, the lymphocytes’ immunophenotype in this patient cluster exhibited features of profound immunosenescence and chronic activation. Thrombocytopenia was only found in this cluster (36% of cases, manifested as Immune Thrombocytopenia (ITP) or Evans syndrome). Clinical complications more frequently found in these patients include lung fibrosis (in 59% of cases) and bronchiectasis (55%). The degree of severity of these symptoms corresponded to more deviation from normal levels with respect to CD21low B-cells, naïve CD4+ and CD27− CD28+ over three years. Moreover, th-cells. Next-generation sequencing did not reveal any common genetic background. We delineate a subgroup of CVID patients with activated and immunosenescent immunophenotype of lymphocytes and distinct set of clinical complications without common genetic background.
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12
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Benbarche S, Strassel C, Angénieux C, Mallo L, Freund M, Gachet C, Lanza F, de la Salle H. Dual role of IL-21 in megakaryopoiesis and platelet homeostasis. Haematologica 2017; 102:637-646. [PMID: 28057742 PMCID: PMC5395104 DOI: 10.3324/haematol.2016.143958] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Accepted: 01/04/2017] [Indexed: 12/20/2022] Open
Abstract
Gene profiling studies have indicated that in vitro differentiated human megakaryocytes express the receptor for IL-21 (IL-21R), an immunostimulatory cytokine associated with inflammatory disorders and currently under evaluation in cancer therapy. The aim of this study was to investigate whether IL-21 modulates megakaryopoiesis. We first checked the expression of IL-21 receptor on human bone marrow and in vitro differentiated megakaryocytes. We then investigated the effect of IL-21 on the in vitro differentiation of human blood CD34+ progenitors into megakaryocytes. Finally, we analyzed the consequences of hydrodynamic transfection-mediated transient expression of IL-21, on megakaryopoiesis and thrombopoiesis in mice. The IL-21Rα chain was expressed in human bone marrow megakaryocytes and was progressively induced during in vitro differentiation of human peripheral CD34+ progenitors, while the signal transducing γ chain was down-regulated. Consistently, the STAT3 phosphorylation induced by IL-21 diminished during the later stages of megakaryocytic differentiation. In vitro, IL-21 increased the number of colony-forming unit megakaryocytes generated from CD34+ cells and the number of megakaryocytes differentiated from CD34+ progenitors in a JAK3- and STAT3-dependent manner. Forced expression of IL-21 in mice increased the density of bi-potent megakaryocyte progenitors and bone marrow megakaryocytes, and the platelet generation, but increased platelet clearance with a consequent reduction in blood cell counts. Our work suggests that IL-21 regulates megakaryocyte development and platelet homeostasis. Thus, IL-21 may link immune responses to physiological or pathological platelet-dependent processes.
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Affiliation(s)
- Salima Benbarche
- Université de Strasbourg, INSERM, EFS Grand-Est, BPPS UMR-S 949, FMTS, F-67000, France
| | - Catherine Strassel
- Université de Strasbourg, INSERM, EFS Grand-Est, BPPS UMR-S 949, FMTS, F-67000, France
| | - Catherine Angénieux
- Université de Strasbourg, INSERM, EFS Grand-Est, BPPS UMR-S 949, FMTS, F-67000, France
| | - Léa Mallo
- Université de Strasbourg, INSERM, EFS Grand-Est, BPPS UMR-S 949, FMTS, F-67000, France
| | - Monique Freund
- Université de Strasbourg, INSERM, EFS Grand-Est, BPPS UMR-S 949, FMTS, F-67000, France
| | - Christian Gachet
- Université de Strasbourg, INSERM, EFS Grand-Est, BPPS UMR-S 949, FMTS, F-67000, France
| | - François Lanza
- Université de Strasbourg, INSERM, EFS Grand-Est, BPPS UMR-S 949, FMTS, F-67000, France
| | - Henri de la Salle
- Université de Strasbourg, INSERM, EFS Grand-Est, BPPS UMR-S 949, FMTS, F-67000, France
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Raza A, Khan MS, Ghanchi NK, Raheem A, Beg MA. Tumour necrosis factor, interleukin-6 and interleukin-10 are possibly involved in Plasmodium vivax-associated thrombocytopaenia in southern Pakistani population. Malar J 2014; 13:323. [PMID: 25128199 PMCID: PMC4141950 DOI: 10.1186/1475-2875-13-323] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Accepted: 08/05/2014] [Indexed: 12/03/2022] Open
Abstract
Background In Pakistan, Plasmodium vivax is endemic causing approximately 70% of the malaria cases. A number of haematological changes, especially thrombocytopaenia have been reported for P. vivax. Several host factors including cell-mediated immune cells, such as IL-1, IL-6 and IL-10 have been documented for P. vivax-induced thrombocytopaenia. However, study on correlation of cytokines and thrombocytopaenia in P. vivax, particularly in patients with severe signs and symptoms has not been reported from Pakistan. Methods A case control study to correlate TNF, IL-6 and IL-10 in healthy controls and thrombocytopaenic P. vivax-infected patients (both uncomplicated and complicated cases) from southern Pakistan was carried out during January 2009 to December 2011. One Hundred and eighty two patients presenting with microscopy-confirmed asexual P. vivax mono-infection and 100 healthy controls were enrolled in the study at Aga Khan University Hospital, Karachi. Enzyme-linked immunosorbent assay (ELISA) was performed for determination of TNF, IL-6 and IL-10 levels. Results Out of 182 cases, mild thrombocytopaenia (platelet count 100,000-150,000 mm3) was observed in ten (5.5%), moderate (50,000-100,000 mm3) in 93 (51.1%), and profound thrombocytopaenia (<50,000 mm3) was detected in 79 (43.4%) patients. IL-6 and IL-10 levels were found approximately three-fold higher in the mild cases compared to healthy controls. Two-fold increase in TNF and IL-10 (p < 0.0001) was observed in profound thrombocytopaenic when compared with moderate cases, while IL-6 was not found to be significantly elevated. Conclusion Cytokines may have a possible role in P. vivax-induced thrombocytopaenia in Pakistani population. Findings from this study give first insight from Pakistan on the role of cytokines in P.vivax-associated thrombocytopaenia. However, further studies are required to understand the relevance of cytokines in manifestations of thrombocytopaenia in P. vivax malaria.
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Affiliation(s)
| | | | | | | | - Mohammad A Beg
- Department of Pathology and Microbiology, Aga Khan University, Stadium Road, PO Box 3500, Karachi 74800, Pakistan.
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Gokhale MS, Vainstein V, Tom J, Thomas S, Lawrence CE, Gluzman-Poltorak Z, Siebers N, Basile LA. Single low-dose rHuIL-12 safely triggers multilineage hematopoietic and immune-mediated effects. Exp Hematol Oncol 2014; 3:11. [PMID: 24725395 PMCID: PMC3991894 DOI: 10.1186/2162-3619-3-11] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2013] [Accepted: 04/01/2014] [Indexed: 01/12/2023] Open
Abstract
Background Recombinant human interleukin 12 (rHuIL-12) regulates hematopoiesis and cell-mediated immunity. Based on these hematopoietic and immunomodulatory activities, a recombinant human IL-12 (rHuIL-12) is now under development to address the unmet need for a medical countermeasure against the hematopoietic syndrome of the acute radiation syndrome (HSARS) that occurs in individuals exposed to lethal radiation, and also to serve as adjuvant therapy that could provide dual hematopoietic and immunotherapeutic benefits in patients with cancer receiving chemotherapy. We sought to demonstrate in healthy subjects the safety of rHuIL-12 at single, low doses that are appropriate for use as a medical countermeasure for humans exposed to lethal radiation and as an immunomodulatory anti-cancer agent. Methods Two placebo-controlled, double-blinded studies assessed the safety, tolerability, pharmacokinetics and pharmacodynamics of rHuIL-12. The first-in-human (FIH) dose-escalation study randomized subjects to single subcutaneous injections of placebo or rHuIL-12 at 2, 5, 10, and 20 μg doses. Due to toxicity, dose was reduced to 15 μg and then to 12 μg. The phase 1b expansion study randomized subjects to the highest safe and well tolerated dose of 12 μg. Results Thirty-two subjects were enrolled in the FIH study: 4 active and 2 placebo at rHuIL-12 doses of 2, 5, 10, 12, and 15 μg; 1 active and 1 placebo at 20 μg. Sixty subjects were enrolled in the expansion study: 48 active and 12 placebo at 12 μg dose of rHuIL-12. In both studies, the most common adverse events (AEs) related to rHuIL-12 were headache, dizziness, and chills. No immunogenicity was observed. Elimination of rHuIL-12 was biphasic, suggesting significant distribution into extravascular spaces. rHuIL-12 triggered transient changes in neutrophils, platelets, reticulocytes, lymphocytes, natural killer cells, and CD34+ hematopoietic progenitor cells, and induced increases in interferon-γ and C-X-C motif chemokine 10. Conclusion A single low dose of rHuIl-12 administered subcutaneously can elicit hematological and immune-mediated effects without undue toxicity. The safety and the potent multilineage hematopoietic/immunologic effects triggered by low-dose rHuIL-12 support the development of rHuIL-12 both as a radiation medical countermeasure and as adjuvant immunotherapy for cancer. Trial registration ClinicalTrials.gov: NCT01742221
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Affiliation(s)
| | | | | | | | | | | | | | - Lena A Basile
- Neumedicines Inc, 133 North Altadena Drive, Suite 310, 91107-7342 Pasadena, CA, USA.
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15
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Han J, Wang Y, Gan X, Song J, Sun P, Dong XP. Serum cytokine profiles of children with human enterovirus 71-associated hand, foot, and mouth disease. J Med Virol 2014; 86:1377-85. [DOI: 10.1002/jmv.23929] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/18/2014] [Indexed: 11/08/2022]
Affiliation(s)
- Jun Han
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University); National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention; Beijing China
| | - Ying Wang
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University); National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention; Beijing China
| | - Xing Gan
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University); National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention; Beijing China
| | - Juan Song
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University); National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention; Beijing China
| | - Peng Sun
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University); National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention; Beijing China
| | - Xiao-Ping Dong
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University); National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention; Beijing China
- Chinese Academy of Sciences Key Laboratory of Pathogenic Microbiology and Immunology; Institute of Microbiology, Chinese Academy of Sciences; Beijing China
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16
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Everds NE, Tarrant JM. Unexpected hematologic effects of biotherapeutics in nonclinical species and in humans. Toxicol Pathol 2013; 41:280-302. [PMID: 23471185 DOI: 10.1177/0192623312467400] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Biotherapeutics are expanding the arsenal of therapeutics available for treating and preventing disease. Although initially thought to have limited side effects due to the specificity of their binding, these drugs have now been shown to have potential for adverse drug reactions including effects on peripheral blood cell counts or function. Hematotoxicity caused by a biotherapeutic can be directly related to the activity of the biotherapeutic or can be indirect and due to autoimmunity, biological cascades, antidrug antibodies, or other immune system responses. Biotherapeutics can cause hematotoxicity primarily as a result of cellular activation, cytotoxicity, drug-dependent and independent immune responses, and sequelae from initiating cytokine and complement cascades. The underlying pathogenesis of biotherapeutic-induced hematotoxicity often is poorly understood. Nonclinical studies have generally predicted clinical hematotoxicity for recombinant cytokines and growth factors. However, most hematologic liabilities of biotherapeutics are not based on drug class but are species specific, immune-mediated, and of low incidence. Despite the potential for unexpected hematologic toxicity, the risk-benefit profile of most biotherapeutics is favorable; hematologic effects are readily monitorable and managed by dose modification, drug withdrawal, and/or therapeutic intervention. This article reviews examples of biotherapeutics that have unexpected hematotoxicity in nonclinical or clinical studies.
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17
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Coelho HCC, Lopes SCP, Pimentel JPD, Nogueira PA, Costa FTM, Siqueira AM, Melo GC, Monteiro WM, Malheiro A, Lacerda MVG. Thrombocytopenia in Plasmodium vivax malaria is related to platelets phagocytosis. PLoS One 2013; 8:e63410. [PMID: 23723981 PMCID: PMC3665752 DOI: 10.1371/journal.pone.0063410] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Accepted: 04/02/2013] [Indexed: 12/15/2022] Open
Abstract
Background Although thrombocytopenia is a hematological disorder commonly reported in malarial patients, its mechanisms are still poorly understood, with only a few studies focusing on the role of platelets phagocytosis. Methods and Findings Thirty-five malaria vivax patients and eight healthy volunteers (HV) were enrolled in the study. Among vivax malaria patients, thrombocytopenia (<150,000 platelets/µL) was found in 62.9% (22/35). Mean platelet volume (MPV) was higher in thrombocytopenic patients as compared to non- thrombocytopenic patients (p = 0.017) and a negative correlation was found between platelet count and MPV (r = −0.483; p = 0.003). Platelets from HV or patients were labeled with 5-chloromethyl fluorescein diacetate (CMFDA), incubated with human monocytic cell line (THP-1) and platelet phagocytosis index was analyzed by flow cytometry. The phagocytosis index was higher in thrombocytopenic patients compared to non-thrombocytopenic patients (p = 0.042) and HV (p = 0.048). A negative correlation was observed between platelet count and phagocytosis index (r = −0.402; p = 0.016). Platelet activation was assessed measuring the expression of P-selectin (CD62-P) in platelets’ surface by flow cytometry. No significant difference was found in the expression of P-selectin between thrombocytopenic patients and HV (p = 0.092). After evaluating the cytokine profile (IL-2, IL-4, IL-6, IL-10, TNF-α, IFN-γ and IL-17) in the patients’ sera, levels of IL-6, IL-10 and IFN-γ were elevated in malaria patients compared to HV. Moreover, IL-6 and IL-10 values were higher in thrombocytopenic patients than non-thrombocytopenic ones (p = 0.044 and p = 0.017, respectively. In contrast, TNF-α levels were not different between the three groups, but a positive correlation was found between TNF-α and phagocytosis index (r = −0.305; p = 0.037). Conclusion/Significance Collectively, our findings indicate that platelet phagocytosis may contribute to thrombocytopenia found in vivax malaria. Finally, we believe that this study opens new avenues to explore the mechanisms involved in platelet dysfunction, commonly found in vivax malaria patients.
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Affiliation(s)
- Helena Cristina C. Coelho
- Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
- Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
| | | | - João Paulo D. Pimentel
- Instituto Leônidas e Maria Deane, Fiocruz, Manaus, Amazonas, Brazil
- Fundação de Hematologia e Hemoterapia do Amazonas, Manaus, Amazonas, Brazil
| | | | | | - André M. Siqueira
- Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
- Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
| | - Gisely C. Melo
- Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
| | - Wuelton M. Monteiro
- Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
- Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
| | - Adriana Malheiro
- Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
- Fundação de Hematologia e Hemoterapia do Amazonas, Manaus, Amazonas, Brazil
| | - Marcus V. G. Lacerda
- Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
- Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
- * E-mail:
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18
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Polymorphisms in the immunoregulatory genes are associated with hematopoietic recovery and increased susceptibility to bacterial infections in patients with thalassaemia major undergoing matched related hematopoietic stem cell transplantation. Biol Blood Marrow Transplant 2012; 18:1219-26. [PMID: 22252124 DOI: 10.1016/j.bbmt.2012.01.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2010] [Accepted: 01/12/2012] [Indexed: 11/20/2022]
Abstract
In this study, the impact of polymorphisms in the genes of proinflammatory (IL-β, TNF-α, IL-6, IFN-γ), anti-inflammatory (transforming growth factor [TGF]-β, IL-10, IL-Ra), and other immunoregulatory factors (FcγRIIa, NOS3) along with the conventional risk factors on the rate of hematopoietic recovery and first episodes of bacterial, viral, or invasive fungal infections in 102 patients with β-thalassaemia major who underwent allogeneic hematopoietic stem cell transplantation (allo-HSCT) with relatively uniform protocols at our center from June 1995 to June 2004 with a minimum follow-up of at least 2 years were studied retrospectively for 180 days after hematopoietic stem cell transplantation (HSCT). Our data show that (1) donor IL-1RN∗2/2 (hazard ratio [HR], 2.4; 95% confidence interval [CI], 1.17-5.09; P = .018) and FCγRIIA +4481G/G genotypes (HR, 3.1; 95% CI, 1.56-6.31; P = .001) increased the incidence of bacterial infection; (2) fungal infection was increased in recipients with whose donors had IFN-γ +874T/T genotype (HR, 3.8; 95% CI, 1.08-13.62; P = .037); (3) time to neutrophil recovery was shorter in splenectomized patients (HR, 3.1; 95% CI, 1.70-5.64; P < .001), donors without IL-10 -1082A, -819T, and -592A haplotype (HR, 1.6; 95% CI, 1.02-2.39; P = .039), and recipients with IFN-γ +874A/A genotype (HR, 1.6; 95% CI, 1.05-2.56; P = .029); and (4) time to platelet recovery was shorter in patients with IL-10 -1082A/A genotype (HR, 1.8; 95% CI, 1.14-2.68; P = .010) and with donors having TNF-α -308G/G genotypes (HR, 1.8; 95% CI, 1.06-2.93; P = .028). These data suggest that outcome after allogeneic stem cell transplantation could be affected by many factors. The mechanisms by which they bring about such impact needs further evaluation.
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The pros and cons of immunomodulatory IL-10 gene therapy with recombinant AAV in a Cftr-/- -dependent allergy mouse model. Gene Ther 2008; 16:172-83. [PMID: 18818669 DOI: 10.1038/gt.2008.156] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Cystic fibrosis (CF) patients have decreased levels of lung epithelial interleukin (IL)-10 and increased levels of proinflammatory cytokines (tumor necrosis factor-alpha, IL-4, IL-8 and IL-6). This has also been documented in Cftr (cystic fibrosis transmembrane conductance regulator)-deficient mice (Cftr 489X(-/-), FABP-hCFTR(+/+)). Our laboratory has recently characterized a peculiar hyper-IgE phenotype in these mice, in response to Aspergillus fumigatus crude protein extract (Af-cpe). Thus, we hypothesized that sustained systemic circulating IL-10 levels achieved through skeletal muscle transduction with recombinant adeno-associated vectors expressing IL-10 (rAAV1-IL-10) would serve to downregulate Th1 and Th2 cytokine production. This in turn would dampen the allergic response in the Cftr(-/-)-dependent mouse model of allergic bronchopulmonary aspergillosis. After Af-cpe sensitization and airway challenge, mice treated with rAAV1-IL-10 had markedly lower IgE levels when compared to the control-treated rAAV1-GFP group. This was accompanied by a significant reduction in the levels of IL-5, IL-4 and IL-13 in the lung compartment. The lower lung cytokine profiles resulted in a near absence of eosinophil recruitment in the lung and a lower inflammatory response in the lung tissue of mice receiving rAAV1-IL-10. Unfortunately, sustained secretion of IL-10 from transduced muscle did lead to thrombocytopenia and splenomegaly in mice injected with rAAV1-IL-10. These results highlight that while IL-10 gene therapy is very effective for treating allergic responses caution must be taken with the prolonged secretion of IL-10.
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20
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Kang YJ, Yang SJ, Park G, Cho B, Min CK, Kim TY, Lee JS, Oh IH. A Novel Function of Interleukin-10 Promoting Self-Renewal of Hematopoietic Stem Cells. Stem Cells 2007; 25:1814-22. [PMID: 17464085 DOI: 10.1634/stemcells.2007-0002] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Self-renewal of hematopoietic stem cells (HSCs) is key to their reconstituting ability, but the factors regulating the process remain poorly understood. Here, we show that Interleukin-10 (IL-10), a pleiotropic immune modulating cytokine, can also play a role in regulating HSC self-renewal. First, a quantitative decrease of primitive hematopoietic cell populations, but not more matured cells, was observed in the bone marrows of IL-10 disrupted mice as determined by long-term in vitro cultures or in vivo competitive repopulation assays. In contrast, normal HSCs from 5-fluorouracil treated marrows cultured on the IL-10 secreting stroma displayed an enhanced repopulating activity compared with cells grown on control stroma, with ninefold higher numbers of donor-derived HSCs in the reconstituted recipient marrows. Moreover, limiting dilution transplantation assay demonstrated that exogenous addition of IL-10 in the stroma-free cultures of purified Lin- Sca-1+ c-kit+ cells caused three- to fourfold higher frequencies of HSCs in the 5-day short-term culture without indirect inhibitory effect of IL-10 on tumor necrosis factor-alpha or interferon-gamma secretion. Interestingly, primitive hematopoietic cells, including Lin- Sca-1+ c-kit+ or side population cells, expressed the surface receptor for IL-10, and microenvironmental production of IL-10 was sharply increased in the osteoblasts lining the trabecular regions of the radiation-stressed marrow but not in the steady-state marrows. These results show that IL-10 may be a ligand that can stimulate self-renewal of HSCs to promote their regeneration in addition to being a ligand for immune regulation. Disclosure of potential conflicts of interest is found at the end of this article.
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Affiliation(s)
- Young-Ju Kang
- Catholic High-Performance Cell Therapy Center, The Catholic University of Korea, 505, Banpo-Dong, Seocho-Ku, Seoul, Korea 137-701
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21
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Abstract
Interleukin-10 (IL-10) is unique among cytokines, as it is considered both as a potent immunostimulatory and immunosuppressive factor. This complex biology has been particularly challenging when trying to define the useful or harmful role of IL-10 in chronic viral diseases and cancer. In the present review, we emphasize how these multiple roles define IL-10 as an adaptive molecule, constantly tuning the host response against dangerous and resourceful pathogens.
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Affiliation(s)
- Alain P Vicari
- Schering-Plough Laboratory for Immunological Research, Dardilly, France.
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22
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Abstract
Interleukin (IL)-10 is an important immunoregulatory cytokine produced by many cell populations. Its main biological function seems to be the limitation and termination of inflammatory responses and the regulation of differentiation and proliferation of several immune cells such as T cells, B cells, natural killer cells, antigen-presenting cells, mast cells, and granulocytes. However, very recent data suggest IL-10 also mediates immunostimulatory properties that help to eliminate infectious and noninfectious particles with limited inflammation. Numerous investigations, including expression analyses in patients, in vitro and animal experiments suggest a major impact of IL-10 in inflammatory, malignant, and autoimmune diseases. So IL-10 overexpression was found in certain tumors as melanoma and several lymphomas and is considered to promote further tumor development. Systemic IL-10 release is a powerful tool of the central nervous system to prevent hyperinflammatory processes by activation of the neuro-endocrine axis following acute stress reactions. In contrast, a relative IL-10 deficiency has been observed and is regarded to be of pathophysiological relevance in certain inflammatory disorders characterized by a type 1 cytokine pattern such as psoriasis. Recombinant human IL-10 has been produced and is currently being tested in clinical trials. This includes rheumatoid arthritis, inflammatory bowel disease, psoriasis, organ transplantation, and chronic hepatitis C. The results are heterogeneous. They give new insight into the immunobiology of IL-10 and suggest that the IL-10/IL-10 receptor system may become a new therapeutic target.
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Affiliation(s)
- K Asadullah
- Head of Corporate Research Business Area Dermatology, Schering AG, D-13342 Berlin, Germany.
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Abstract
Essential thrombocythemia (ET) is a clonal hematopoietic stem cell myeloproliferative disorder characterized by megakaryocytic hyperplasia and persistent thrombocytosis. The clinical presentation and evolution of ET are heterogeneous. This review highlights the current treatment options in the management of ET, including hydroxyurea, anagrelide and both regular and pegylated interferons. Anagrelide, while very effective at controlling counts and symptoms in most patients, may not consistently reduce the bone marrow megakaryocyte mass. Interferon is very effective and not associated with leukemogenesis, but has not been proven to restore polyclonal hematopoiesis and has significant dose-related adverse events. Pegylated interferon represents a significant improvement over the unmodified interferon preparations. Novel therapeutic options directed towards eradication of the malignant ET clone are required.
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Tilg H, Ulmer H, Kaser A, Weiss G. Role of IL-10 for induction of anemia during inflammation. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2002; 169:2204-9. [PMID: 12165551 DOI: 10.4049/jimmunol.169.4.2204] [Citation(s) in RCA: 122] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Anemia is frequently observed in patients suffering from chronic inflammatory disorders. Recent in vitro data suggest that Th2 cytokines, such as IL-10, could be involved in its pathogenesis. We analyzed 1) changes in hemoglobin values in 329 patients with chronic active Crohn's disease receiving the anti-inflammatory cytokine IL-10 as part of a randomized, double-blind, placebo-controlled study, 2) serum iron parameters in a subgroup of these patients (n = 54), and 3) the in vitro effects of IL-10 on ferritin transcription and translation in human monocytic cells (THP-1) by means of Northern blot and immunoprecipitation after metabolic labeling. Patients receiving higher doses of IL-10 developed anemia and presented with a dose-dependent increase of ferritin and soluble transferrin receptor levels, an indicator of iron restriction to erythroid progenitor cells. According to our in vitro data, hyperferritinemia may result from direct stimulation of ferritin translation by IL-10 in activated monocytic cells, most likely by cytokine-mediated reduction of the binding affinity of translational repressors, iron-regulatory proteins, to the 5'-untranslated region of ferritin mRNA. In patients, all observed changes were most pronounced at the end of therapy (day +29), and thereafter hemoglobin levels and serum iron parameters returned to baseline levels within 4 wk of follow-up. Our data demonstrate that IL-10 causes anemia in patients with inflammatory bowel disease which may be referred to the induction of imbalances in iron homeostasis by the cytokine, leading to hyperferritinemia and limited iron availability to erythroid progenitor cells, a condition typically seen in the anemia of chronic inflammation.
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Affiliation(s)
- Herbert Tilg
- Division of Gastroenterology and Hepatology, Department of Medicine, University Hospital Innsbruck, Innsbruck, Austria
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