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Jordakieva G, Jensen-Jarolim E. The impact of allergen exposure and specific immunotherapy on circulating blood cells in allergic rhinitis. World Allergy Organ J 2018; 11:19. [PMID: 30128065 PMCID: PMC6092783 DOI: 10.1186/s40413-018-0197-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 07/10/2018] [Indexed: 12/21/2022] Open
Abstract
Allergic rhinitis (AR) is an IgE-mediated inflammatory disease of the nasal mucosa with well described local immune responses during allergen exposure. The frequent association of AR with general extra-nasal symptoms and other allergic conditions, such as conjunctivitis and asthma, however, support a more systemic disease impact. In addition to acute elevation of soluble inflammatory mediators in periphery blood, a growing number of studies have reported changes in circulating blood cells after specific nasal allergen challenge or environmental allergen exposure. These findings imply an involvement of specific blood leukocyte subsets, thrombocytes and recently, erythrocytes. This review summarizes the circulating blood cell dynamics associated with allergen exposure in AR subjects reported so far. Additionally, the impact of therapy, particularly allergen-specific immunotherapy (AIT), the only currently available causal treatment reducing AR-related symptoms, is further considered in this context.
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Affiliation(s)
- Galateja Jordakieva
- 1Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University of Vienna, Spitalgasse 23, Vienna, 1090 Austria
| | - Erika Jensen-Jarolim
- 2Department of Pathophysiology and Allergy Research, Institute of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology and Immunology, Medical University Vienna, Spitalgasse 23, 1090 Vienna, Austria.,The interuniversity Messerli Research Institute, University of Veterinary Medicine Vienna, Medical University Vienna, University of Vienna, Veterinaerplatz 1, Vienna, 1210 Austria.,AllergyCare, Allergy Diagnosis and Study Center Vienna, Vienna, Austria
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Jordakieva G, Kundi M, Lemell P, Zieglmayer R, Zieglmayer P, Godnic-Cvar J, Jensen-Jarolim E. Sublingual house dust mite immunotherapy has no impact on decrease of circulating erythrocytes upon airway allergen challenge in allergic rhinitis. Sci Rep 2017; 7:2555. [PMID: 28566688 PMCID: PMC5451400 DOI: 10.1038/s41598-017-02321-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 04/12/2017] [Indexed: 02/06/2023] Open
Abstract
House dust mite (HDM) allergy is a predominant cause for perennial allergic rhinitis (AR) in Europe. We recently reported that circulating erythrocyte numbers decrease after airway allergen challenge in a murine asthma model and in grass-pollen sensitized AR subjects. Consequently, we aimed to evaluate these findings in HDM sensitized AR subjects and the influence of preceding allergen immunotherapy. Seventy-seven (age 26.8 ± 7.3 years; 54.5% female) HDM-allergic rhinitis subjects previously enrolled in a randomized, monocentric sublingual immunotherapy (SLIT) trial at the Vienna Challenge Chamber (VCC) were included. Subjects had either received placebo (n = 22), low-dose HDM (n = 29) or high-dose HDM specific sublingual immunotherapy (n = 26) daily for 24 weeks. Blood sampling was performed before and after 6 hours of HDM allergen exposure. Overall, specific airway allergen challenge resulted in a significant decrease in circulating erythrocytes and hematocrit (p < 0.001), and elevation of leukocytes (p < 0.001), particularly segmented neutrophils (p < 0.001). Gender had no significant effect on the observed changes in circulating blood cells. Erythrocytes decreased and neutrophil counts increased significantly after airway allergen challenge regardless of preceding immunotherapy. These findings imply a rapid systemic mobilization of neutrophils occurring within immediate type hypersensitivity response upon a specific allergen challenge, which is possibly inversely linked with the erythrocyte numbers.
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Affiliation(s)
- Galateja Jordakieva
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University of Vienna, Vienna, Austria.,Institute of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Michael Kundi
- Center for Public Health, Medical University of Vienna, Vienna, Austria
| | | | | | | | - Jasminka Godnic-Cvar
- Department of Physical Medicine, Rehabilitation and Occupational Medicine, Medical University of Vienna, Vienna, Austria
| | - Erika Jensen-Jarolim
- Institute of Pathophysiology and Allergy Research, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria. .,The Interuniversity Messerli Research Institute, Medical University Vienna, University of Veterinary Medicine Vienna, University of Vienna, Vienna, Austria.
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Ling TY, Liu YL, Huang YK, Gu SY, Chen HK, Ho CC, Tsao PN, Tung YC, Chen HW, Cheng CH, Lin KH, Lin FH. Differentiation of lung stem/progenitor cells into alveolar pneumocytes and induction of angiogenesis within a 3D gelatin--microbubble scaffold. Biomaterials 2014; 35:5660-9. [PMID: 24746968 DOI: 10.1016/j.biomaterials.2014.03.074] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Accepted: 03/27/2014] [Indexed: 12/16/2022]
Abstract
The inability to adequately vascularize tissues in vitro or in vivo is a major challenge in lung tissue engineering. A method that integrates stem cell research with 3D-scaffold engineering may provide a solution. We have successfully isolated mouse pulmonary stem/progenitor cells (mPSCs) by a two-step procedure and fabricated mPSC-compatible gelatin/microbubble-scaffolds using a 2-channel fluid jacket microfluidic device. We then integrated the cells and the scaffold to construct alveoli-like structures. The mPSCs expressed pro-angiogenic factors (e.g., b-FGF and VEGF) and induced angiogenesis in vitro in an endothelial cell tube formation assay. In addition, the mPSCs were able to proliferate along the inside of the scaffolds and differentiate into type-II and type-I pneumocytes The mPSC-seeded microbubble-scaffolds showed the potential for blood vessel formation in both a chick chorioallantoic membrane (CAM) assay and in experiments for subcutaneous implantation in severe combined immunodeficient (SCID) mice. Our results demonstrate that lung stem/progenitor cells together with gelatin microbubble-scaffolds promote angiogenesis as well as the differentiation of alveolar pneumocytes, resulting in an alveoli-like structure. These findings may help advance lung tissue engineering.
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Affiliation(s)
- Thai-Yen Ling
- Department of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan; Research Center for Developmental Biology and Regenerative Medicine, National Taiwan University, Taipei, Taiwan.
| | - Yen-Liang Liu
- Department of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan; Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan
| | - Yung-Kang Huang
- Department of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Sing-Yi Gu
- Department of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan; Graduate Institute of Toxicology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Hung-Kuan Chen
- Department of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Choa-Chi Ho
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Po-Nien Tsao
- Research Center for Developmental Biology and Regenerative Medicine, National Taiwan University, Taipei, Taiwan; Division of Neonatology, Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan
| | - Yi-Chung Tung
- Research Center for Applied Sciences, Academia Sinica, Taipei, Taiwan
| | - Huei-Wen Chen
- Graduate Institute of Toxicology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Chiung-Hsiang Cheng
- Department and Graduate Institute of Veterinary Medicine, National Taiwan University, Taipei, Taiwan
| | - Keng-Hui Lin
- Research Center for Applied Sciences, Academia Sinica, Taipei, Taiwan; Institute of Physics, Academia Sinica, Taipei, Taiwan
| | - Feng-Huei Lin
- Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan
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Peripheral erythrocytes decrease upon specific respiratory challenge with grass pollen allergen in sensitized mice and in human subjects. PLoS One 2014; 9:e86701. [PMID: 24466205 PMCID: PMC3899302 DOI: 10.1371/journal.pone.0086701] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Accepted: 12/10/2013] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND AND AIMS Specific hyper-responsiveness towards an allergen and non-specific airway hyperreactivity both impair quality of life in patients with respiratory allergic diseases. We aimed to investigate cellular responses following specific and non-specific airway challenges locally and systemically in i) sensitized BALB/c mice challenged with grass pollen allergen Phl p 5, and in ii) grass pollen sensitized allergic rhinitis subjects undergoing specific airway challenge in the Vienna Challenge Chamber (VCC). METHODS AND RESULTS BALB/c mice (n = 20) were intraperitoneally immunized with grass pollen allergen Phl p 5 and afterwards aerosol challenged with either the specific allergen Phl p 5 (n = 10) or the non-specific antigen ovalbumin (OVA) (n = 10). A protocol for inducing allergic asthma as well as allergic rhinitis, according to the united airway concept, was used. Both groups of exposed mice showed significantly reduced physical activity after airway challenge. Specific airway challenge further resulted in goblet cell hyperplasia, enhanced mucous secretion, intrapulmonary leukocyte infiltration and lymphoid follicle formation, associated with significant expression of IL-4, IL-5 and IL-13 in splenocytes and also partially in lung tissue. Concerning circulating blood cell dynamics, we observed a significant drop of erythrocyte counts, hemoglobin and hematocrit levels in both mouse groups, challenged with allergen or OVA. A significant decrease in circulating erythrocytes and hematocrit levels after airway challenges with grass pollen allergen was also found in grass pollen sensitized human rhinitis subjects (n = 42) at the VCC. The effects on peripheral leukocyte counts in mice and humans however were opposed, possibly due to the different primary inflammation sites. CONCLUSION Our data revealed that, besides significant leukocyte dynamics, particularly erythrocytes are involved in acute hypersensitivity reactions to respiratory allergens. A rapid recruitment of erythrocytes to the lungs to compensate for hypoxia is a possible explanation for these findings.
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