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Huang R, Zhang L, Li X, Liu F, Cheng X, Ran H, Wang Z, Li Y, Feng Y, Liang L, Su W, Melgiri ND, Sun Y. Anti-CXCR2 antibody-coated nanoparticles with an erythrocyte-platelet hybrid membrane layer for atherosclerosis therapy. J Control Release 2023; 356:610-622. [PMID: 36898531 DOI: 10.1016/j.jconrel.2023.02.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 02/20/2023] [Accepted: 02/26/2023] [Indexed: 03/12/2023]
Abstract
Atherosclerosis is the leading cause of mortality globally. RBC-platelet hybrid membrane-coated nanoparticles ([RBC-P]NPs), which biologically mimic platelets in vivo, display evidence of anti-atherosclerotic activity. The efficacy of a targeted RBC-platelet hybrid membrane-coated nanoparticles ([RBC-P]NP)-based approach was investigated as a primary preventive measure against atherosclerosis. A ligand-receptor interactome analysis conducted with circulating platelets and monocytes derived from CAD patients and healthy controls identified CXCL8-CXCR2 as a key platelet ligand-monocyte receptor dyad in CAD patients. Based on this analysis, a novel anti-CXCR2 [RBC-P]NP that specifically binds to CXCR2 and blocks the interaction between CXCL8 and CXCR2 was engineered and characterized. Administering anti-CXCR2 [RBC-P]NPs to Western diet-fed Ldlr-/- mice led to diminished plaque size, necrosis, and intraplaque macrophage accumulation relative to control [RBC-P]NPs or vehicle. Importantly, anti-CXCR2 [RBC-P]NPs demonstrated no adverse bleeding/hemorrhagic effects. A series of in vitro experiments was conducted to characterize anti-CXCR2 [RBC-P]NP's mechanism of action in plaque macrophages. Mechanistically, anti-CXCR2 [RBC-P]NPs inhibited p38α (Mapk14)-mediated, pro-inflammatory M1 skewing and corrected efferocytosis in plaque macrophages. This targeted [RBC-P]NP-based approach, in which the cardioprotective effects of anti-CXCR2 [RBC-P]NP therapy overweighs its bleeding/hemorrhagic risks, could potentially be used to proactively manage atherosclerotic progression in at-risk populations.
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Affiliation(s)
- Rongzhong Huang
- Precision Medicine Center, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Municipality Clinical Research Center for Geriatrics and Gerontology, Chongqing 400010, China
| | - Lujun Zhang
- Department of Cardiology, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Xingsheng Li
- Precision Medicine Center, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Municipality Clinical Research Center for Geriatrics and Gerontology, Chongqing 400010, China
| | - Fan Liu
- Department of Ultrasound, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing, China
| | - Xiaoxiao Cheng
- Department of Ultrasound, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing, China
| | - Haitao Ran
- Department of Ultrasound, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing, China
| | - Zhigang Wang
- Department of Ultrasound, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing, China
| | - Yongyong Li
- Precision Medicine Center, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Municipality Clinical Research Center for Geriatrics and Gerontology, Chongqing 400010, China
| | - Yuxing Feng
- Department of Rehabilitation and Pain Medicine, The Ninth People's Hospital of Chongqing, Chongqing, China
| | - Liwen Liang
- Department of Cardiology, The First People's Hospital of Yunnan Province, Kunming, China
| | - Wenhua Su
- Department of Cardiology, The First People's Hospital of Yunnan Province, Kunming, China
| | - N D Melgiri
- Impactys Foundation for Biomedical Research, San Diego, CA, USA
| | - Yang Sun
- Department of Ultrasound, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ultrasound Molecular Imaging, Chongqing, China.
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Platelet Transfusion for Trauma Resuscitation. CURRENT TRAUMA REPORTS 2022. [DOI: 10.1007/s40719-022-00236-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Abstract
Purpose of Review
To review the role of platelet transfusion in resuscitation for trauma, including normal platelet function and alterations in behavior following trauma, blood product transfusion ratios and the impact of platelet transfusion on platelet function, platelet function assays, risks of platelet transfusion and considerations for platelet storage, and potential adjunct therapies and synthetic platelets.
Recent Findings
Platelets are a critical component of clot formation and breakdown following injury, and in addition to these hemostatic properties, have a complex role in vascular homeostasis, inflammation, and immune function. Evidence supports that platelets are activated following trauma with several upregulated functions, but under conditions of severe injury and shock are found to be impaired in their hemostatic behaviors. Platelets should be transfused in balanced ratios with red blood cells and plasma during initial trauma resuscitation as this portends improved outcomes including survival. Multiple coagulation assays can be used for goal-directed resuscitation for traumatic hemorrhage; however, these assays each have drawbacks in terms of their ability to measure platelet function. While resuscitation with balanced transfusion ratios is supported by the literature, platelet transfusion carries its own risks such as bacterial infection and lung injury. Platelet supply is also limited, with resource-intensive storage requirements, making exploration of longer-term storage options and novel platelet-based therapeutics attractive. Future focus on a deeper understanding of the biology of platelets following trauma, and on optimization of novel platelet-based therapeutics to maintain hemostatic effects while improving availability should be pursued.
Summary
While platelet function is altered following trauma, platelets should be transfused in balanced ratios during initial resuscitation. Severe injury and shock can impair platelet function, which can persist for several days following the initial trauma. Assays to guide resuscitation following the initial period as well as storage techniques to extend platelet shelf life are important areas of investigation.
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Yu YB, Lee TC, Ho CY, Lin HJ, Chen WC, Chang CC. The abrogated role of premedication in the prevention of transfusion-associated adverse reactions in outpatients receiving leukocyte-reduced blood components. Vox Sang 2022; 117:1179-1186. [PMID: 35843874 DOI: 10.1111/vox.13333] [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: 03/04/2022] [Revised: 05/25/2022] [Accepted: 06/13/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVES Although it remains controversial, premedication before transfusion is a common clinical practice to prevent transfusion-associated adverse reactions (TAARs) in Taiwan. Thus, we aimed to investigate whether premedication prevented outpatients from developing TAARs and whether an educational programme could improve the understanding of physicians related to the unnecessary use of premedication, and this could elicit changes in their prescribing activities without affecting the occurrence of TAARs. MATERIALS AND METHODS Clinical data from outpatients receiving transfusion therapy, including predisposing diseases, histories of transfusion and TAARs, premedication and the occurrence of TAARs in the period April 2017 to October 2018, were retrospectively obtained. The evidence-based transfusion programme implemented to educate physicians was started in January 2018. RESULTS A total of 5018 blood units were transfused to 803 outpatients, with 2493 transfusion events reported in the study interval. The most frequently transfused component was leukocyte-reduced packed red cells (n = 4338), followed by leukocyte-reduced apheresis platelets (n = 540) and other blood components. The overall premedication rate significantly decreased from 92.4% to 76.7% after the educational programme (p < 0.001). There was no remarkable change in the occurrence of TAARs per patient event between the periods before and after the educational programme (1.11% vs. 1.14%, p = 0.964). Besides, it was shown that the occurrence of TAARs was associated with the history of TAARs and inversely related to multiple transfusions, but not premedication. CONCLUSION Decreased premedication was not associated with increased incidence of TAARs in outpatients; these findings provide important evidence to support the need to revise clinical practices in the era of leukocyte-reduced blood products.
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Affiliation(s)
- Yuan-Bin Yu
- Division of Oncology and Hematology, Department of Internal Medicine, Far Eastern Memorial Hospital, New Taipei, Taiwan.,Faculty of Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Graduate Institute of Medicine, Yuan Ze University, Taoyuan, Taiwan
| | - Tai-Chen Lee
- Department of Clinical Pathology, Far Eastern Memorial Hospital, New Taipei, Taiwan
| | - Chun-Yee Ho
- Department of Clinical Pathology, Far Eastern Memorial Hospital, New Taipei, Taiwan
| | - Hui-Jung Lin
- Department of Clinical Pathology, Far Eastern Memorial Hospital, New Taipei, Taiwan
| | - Wei-Chi Chen
- Public Health Bureau, New Taipei, Taiwan.,Department of Nursing, Cardinal Tien Junior College of Healthcare and Management, Yilan, Taiwan
| | - Chih-Chun Chang
- Department of Clinical Pathology, Far Eastern Memorial Hospital, New Taipei, Taiwan.,Department of Nursing, Cardinal Tien Junior College of Healthcare and Management, Yilan, Taiwan.,Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
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4
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Pediatric platelet transfusions in critical illness: a narrative review of recent studies. Curr Opin Pediatr 2022; 34:268-272. [PMID: 35634700 DOI: 10.1097/mop.0000000000001129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW We sought to describe the current use of platelet transfusions, harms associated with platelet transfusion, new methods of platelet processing that attempt to address these harms, and recent platelet transfusion guidance specific to critically ill children. RECENT FINDINGS Platelet transfusions have been associated with significant morbidity and mortality. New processing techniques, such as pathogen reduction, have been developed to combat infectious risks but in a recent trial of platelet transfusion thresholds in neonates, transfusing platelets more liberally was associated with increased bleeding and mortality. SUMMARY Recent efforts to develop evidence-based guidelines for platelet transfusion in critically ill children were limited by the lack of evidence. However, given the significant risks, restrictive transfusion thresholds should be considered.
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G6PD is a critical enabler of hypoxia-induced accumulation of macrophages and platelets in mice lungs and contributor to lung inflammation. Vascul Pharmacol 2022; 144:106976. [DOI: 10.1016/j.vph.2022.106976] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/27/2022] [Accepted: 03/03/2022] [Indexed: 02/05/2023]
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Yamaguchi M, Koizumi T, Sugano M. Impact of short-term storage of plasma samples on quantitation of ultra-low levels of interleukin-6. J Int Med Res 2021; 49:3000605211056846. [PMID: 34772314 PMCID: PMC8593303 DOI: 10.1177/03000605211056846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Objective To quantitate plasma interleukin-6 (IL-6) levels in healthy individuals and to clarify how these levels are affected by blood sample handling procedures during short-term storage. Methods Ethylenediaminetetraacetic acid (EDTA)-treated plasma samples were simultaneously collected from 14 healthy individuals and stored on ice prior to analysis of the IL-6 levels. White blood cells (WBCs), red blood cells, and platelets were counted immediately after blood collection. IL-6 levels were analyzed every 30 minutes using a commercial electrochemiluminescence immunoassay. Results Correlation coefficients between plasma IL-6 levels and WBC counts ranged between 0.605 and 0.554, higher than those for other cell types. The lowest IL-6 value in healthy individuals was estimated at 0.04 pg/mL and the mean values remained under 2 pg/mL over time. Conclusion Analysis of IL-6 levels in EDTA-treated plasma samples centrifuged within 1 hour and stored on ice can be performed within 90 minutes of short-term storage if the analytical method has a sensitivity in the range of 10 fg/mL.
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Affiliation(s)
- Masaki Yamaguchi
- Graduate School of Medicine, Science & Technology, Department of Mechanical Engineering & Robotics, Shinshu University, Tokida, Ueda, Nagano, Japan
| | - Tomonobu Koizumi
- Department of Hematology and Medical Oncology, Shinshu University School of Medicine, Asahi, Matsumoto, Nagano, Japan
| | - Mitsutoshi Sugano
- Department of Laboratory Medicine, 118108Shinshu University Hospital, Shinshu University Hospital, Asahi, Matsumoto, Nagano, Japan
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Antognoni MT, Marenzoni ML, Misia AL, Avellini L, Chiaradia E, Gavazza A, Miglio A. Effect of Leukoreduction on Hematobiochemical Parameters and Storage Hemolysis in Canine Whole Blood Units. Animals (Basel) 2021; 11:ani11040925. [PMID: 33805143 PMCID: PMC8064101 DOI: 10.3390/ani11040925] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/19/2021] [Accepted: 03/22/2021] [Indexed: 01/28/2023] Open
Abstract
Simple Summary During the storage of blood units, cells undergo many changes, defined as storage lesions; these are biochemical, morphological and immunological modifications and seem to be responsible for adverse post-transfusion effects in recipients. The pre-storage leukoreduction seems to reduce them. The aims of this study are both to evaluate the human filter effectiveness and the effect of pre-storage leukoreduction in stored canine whole blood units. We tested whole blood units, leukoreduced and not, obtained from seven enrolled subjects, until the 42nd day. The white blood cell (WBC) and platelet (PLT) counts are reported to express the leukoreduction effectiveness. As indicators of storage-induced hemolysis, the lactate dehydrogenase activity (LDH) and sodium, potassium, and chlorine electrolytes were measured in plasma, and the red blood cell (RBC) count, hemoglobin concentration (Hgb), and hematocrit (Hct) were obtained with the complete blood count (CBC). The mean corpuscular volume (MCV) values and morphological index obtained from blood smear evaluation were used as indices of morphological changes. We observed that the leukoreduction filter for human use is equally effective on canine whole blood and that leukoreduction has a partially protective role to prevent some storage lesions. Abstract Storage lesions (SLs) occur when the red blood cell quality is altered during the preservation of blood units. Pre-storage leukoreduction would limit the number of SLs. The aims of this study were to evaluate the effectiveness of a leukoreduction filter for human use and the effect of pre-storage leukoreduction on some ematobiochemical parameters in stored canine whole blood. Seven canine blood units were tested. Each one was divided into two units—one leukoreduced (LRWB) and one non-leukoreduced (nLRWB). On each unit, we determined the complete blood count (CBC), lactate-dehydrogenase (LDH), electrolytes (Na+, K+, Cl−), morphological index (MI) and hemolysis, on storage days 0, 7, 14, 21, 28, 35, and 42. Leukoreduction allowed a 98.30% recovery of the RBC count, retaining 99.69% and 94.91% of WBCs and PLTs, respectively. We detected a significant increase of LDH and MI with strongly higher values in nLRWB compared to LRWB. A progressive increase in electrolytes and LDH concentrations was observed as indices of stored hemolysis. LDH showed significantly lower values in LRWB units compared to nLRWB, suggesting its release from leukocytes. In the majority of units, hemolysis reached 1% on the 42nd day of storage. We assert the human leukoreduction filter effectiveness on canine whole blood, and we recommend using nLRWB before day 14, especially for critically ill patients. The difference of the basal hemolysis (day 0) percentages observed between subjects suggests that more studies should be performed to confirm a possible inter-individual donor biological variability of RBC membrane resistance, as happens in humans.
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Affiliation(s)
- Maria Teresa Antognoni
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy; (M.T.A.); (M.L.M.); (A.L.M.); (L.A.); (E.C.)
| | - Maria Luisa Marenzoni
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy; (M.T.A.); (M.L.M.); (A.L.M.); (L.A.); (E.C.)
| | - Ambra Lisa Misia
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy; (M.T.A.); (M.L.M.); (A.L.M.); (L.A.); (E.C.)
| | - Luca Avellini
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy; (M.T.A.); (M.L.M.); (A.L.M.); (L.A.); (E.C.)
| | - Elisabetta Chiaradia
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy; (M.T.A.); (M.L.M.); (A.L.M.); (L.A.); (E.C.)
| | - Alessandra Gavazza
- School of Bioscences and Veterinary Medicine, University of Camerino, 62024 Camerino, Italy;
| | - Arianna Miglio
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy; (M.T.A.); (M.L.M.); (A.L.M.); (L.A.); (E.C.)
- Correspondence:
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8
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Nellis ME, Spinella PC, Tucci M, Stanworth SJ, Steiner ME, Cushing MM, Davis PJ, Karam O. Effect of platelet storage duration on clinical outcomes and incremental platelet change in critically ill children. Transfusion 2020; 60:2849-2858. [PMID: 32959409 DOI: 10.1111/trf.16094] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 06/10/2020] [Accepted: 07/27/2020] [Indexed: 12/15/2022]
Abstract
The safety of platelet (PLT) concentrates with longer storage duration has been questioned due to biochemical and functional changes that occur during blood collection and storage. Some studies have suggested that transfusion efficacy is decreased and immune system dysfunction is worsened with increased storage age. We sought to describe the effect of PLT storage age on laboratory and clinical outcomes in critically ill children receiving PLT transfusions. STUDY DESIGN AND METHODS We performed a secondary analysis of a prospective, observational point-prevalence study. Children (3 days to 16 years of age) from 82 pediatric intensive care units in 16 countries were enrolled if they received a PLT transfusion during one of the predefined screening weeks. Outcomes (including PLT count increments, organ dysfunction, and transfusion reactions) were evaluated by PLT storage age. RESULTS Data from 497 patients were analyzed. The age of the PLT transfusions ranged from 1 to 7 days but the majority were 4 (24%) or 5 (36%) days of age. Nearly two-thirds of PLT concentrates were transfused to prevent bleeding. The indication for transfusion did not differ between storage age groups (P = .610). After patient and product variables were adjusted for, there was no association between storage age and incremental change in total PLT count or organ dysfunction scoring. A significant association between fresher storage age and febrile transfusion reactions (P = .002) was observed. CONCLUSION The results in a large, diverse cohort of critically ill children raise questions about the impact of storage age on transfusion and clinical outcomes which require further prospective evaluation.
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Affiliation(s)
- Marianne E Nellis
- Pediatric Critical Care Medicine, NY Presbyterian Hospital-Weill Cornell Medicine, New York, New York
| | - Philip C Spinella
- Department of Pediatrics, Division of Critical Care, Washington University in St Louis, St Louis, Missouri
| | - Marisa Tucci
- Pediatric Intensive Care Unit, CHU Sainte-Justine, University of Montreal, Montreal, Quebec, Canada
| | - Simon J Stanworth
- Transfusion Medicine, NHS Blood and Transplant, Oxford, UK.,Department of Haematology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK.,Radcliffe Department of Medicine, University of Oxford and Oxford BRC Haematology Theme, Oxford, UK
| | - Marie E Steiner
- Divisions of Pediatric Critical Care and Pediatric Hematology/Oncology, University of Minnesota, Minneapolis, Minnesota
| | | | - Peter J Davis
- Paediatric Intensive Care Unit, Bristol Royal Hospital for Children, Bristol, UK
| | - Oliver Karam
- Division of Pediatric Critical Care Medicine, Children's Hospital of Richmond at VCU, Richmond, Virginia
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Yasui K, Matsuyama N, Takihara Y, Hirayama F. New insights into allergic transfusion reactions and their causal relationships, pathogenesis, and prevention. Transfusion 2020; 60:1590-1601. [DOI: 10.1111/trf.15845] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/22/2020] [Accepted: 04/08/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Kazuta Yasui
- Japanese Red Cross Kinki Block Blood Center Ibaraki Osaka Japan
| | | | | | - Fumiya Hirayama
- Japanese Red Cross Kinki Block Blood Center Ibaraki Osaka Japan
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Gupta N, Khetan D, Chaudhary R, Shukla JS. Prospective Cohort Study to Assess the Effect of Storage Duration, Leuko-Filtration, and Gamma Irradiation on Cell-Free DNA in Red Cell Components. Transfus Med Hemother 2020; 47:409-419. [PMID: 33173459 DOI: 10.1159/000505937] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 01/10/2020] [Indexed: 12/14/2022] Open
Abstract
Introduction Damage to a cell and the loss of integrity of its cell membrane leads to the release of endogenous immunogenic molecules, which together are classified as "damage-associated molecular patterns" (DAMPs). Cell-free DNA (cf-DNA) released from nucleosomes may serve as a proco-agulant cofactor and may be an important mediator of immunomodulatory and proinflammatory effects associated with blood transfusion. Objectives To assess the levels of cf-DNA in supernatants of stored red cell components and the effect of leukoreduction and gamma irradiation on the release of cf-DNA during storage. Methods This is a prospective cohort study on 99 stored red cell components, randomly divided into three groups - buffy coat (BC)-depleted, leuko-filtered (LP), and irradiated (IR) packed red blood cells. Red cell supernatants were drawn over a period of 21 days at three different time points (day 0, 7, and 21) from the study units. cf-DNA extraction was done and quantified by a bench top fluorometer. Change in cf-DNA content, rate of change (μg/day), and percent change were estimated and compared across different groups. Results cf-DNA content increased (p = 0.000) with storage duration in the BC (median = 238.66 μg, interquartile range [IQR] = 168.42 on day 21 vs. median = 9.44 μg, IQR = 5.23 on day 0) and IR groups (p = 0.000) (median = 245.55 μg, IQR = 253.88 on day 21 vs. median = 7.07 μg, IQR = 13.58 on day 0), while there was a decreasing trend (p = 0.032) in the LP group (median = 4.55 μg, IQR = 10.73 on day 21 vs. median = 8.66 μg, IQR = 6.56 on day 0). The median rate of change in cf-DNA content (11.13 μg/day) and percent change in cf-DNA content (median = 4,106.16%) was highest in the IR group. Conclusions Stored red cell components contain significant amount of cf-DNA. Release of cf-DNA is further aggravated by irradiation while leukoreduction leads to a decrease in cf-DNA content.
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Affiliation(s)
- Nitesh Gupta
- Department of Transfusion Medicine, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Dheeraj Khetan
- Department of Transfusion Medicine, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Rajendra Chaudhary
- Department of Transfusion Medicine, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - Jai Shankar Shukla
- Department of Transfusion Medicine, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
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Weinstock C, Schnaidt M. Human Leucocyte Antigen Sensitisation and Its Impact on Transfusion Practice. Transfus Med Hemother 2019; 46:356-369. [PMID: 31832061 DOI: 10.1159/000502158] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 07/13/2019] [Indexed: 01/25/2023] Open
Abstract
Human leucocyte antigen (HLA) sensitisation, including the formation of antibodies against HLA, can cause serious effects in patients receiving blood. Under certain circumstances, donor HLA antibodies in the blood product can trigger the patient's granulocytes to release mediators that cause transfusion-associated lung injury (TRALI), a serious complication of transfusion. The HLA systems of both donor and patient are involved in transfusion-associated graft-versus-host disease, which is a rare disease with a high mortality. Patient HLA antibodies can destroy incompatible platelets and may cause refractoriness to platelet transfusion. Identification of a patient's HLA antibody specificities is necessary for issuing compatible platelets to overcome refractoriness. Many techniques for the detection and identification of HLA antibodies have been developed, including complement-dependent cytotoxicity assay, bead-based assays, the platelet adhesion immunofluorescence test, and the monoclonal antibody-specific immobilisation of platelet antigens assay. Different strategies for the selection of HLA-compatible platelets are applied. These strategies depend on the breadth of antibody reactivity and range from avoiding single HLA antigens in the platelet concentrates issued to apheresis of platelets from HLA-identical donors. The mechanisms of HLA sensitisation and the efforts made to provide compatible blood products to sensitised patients are reviewed in this article from the perspective of clinical transfusion medicine.
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Affiliation(s)
- Christof Weinstock
- Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Service Baden-Württemberg-Hessen, Institute Ulm, Institute of Transfusion Medicine, Ulm University, Ulm, Germany
| | - Martina Schnaidt
- Centre for Clinical Transfusion Medicine, Medical Faculty of Tübingen, University of Tübingen, Tübingen, Germany
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12
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Koo BN, Kwon MA, Kim SH, Kim JY, Moon YJ, Park SY, Lee EH, Chae MS, Choi SU, Choi JH, Hwang JY. Korean clinical practice guideline for perioperative red blood cell transfusion from Korean Society of Anesthesiologists. Korean J Anesthesiol 2018; 72:91-118. [PMID: 30513567 PMCID: PMC6458508 DOI: 10.4097/kja.d.18.00322] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 11/27/2018] [Indexed: 01/28/2023] Open
Abstract
Background Considering the functional role of red blood cells (RBC) in maintaining oxygen supply to tissues, RBC transfusion can be a life-saving intervention in situations of severe bleeding or anemia. RBC transfusion is often inevitable to address intraoperative massive bleeding; it is a key component in safe perioperative patient management. Unlike general medical resources, packed RBCs (pRBCs) have limited availability because their supply relies entirely on voluntary donations. Additionally, excessive utilization of pRBCs may aggravate prognosis or increase the risk of developing infectious diseases. Appropriate perioperative RBC transfusion is, therefore, crucial for the management of patient safety and medical resource conservation. These concerns motivated us to develop the present clinical practice guideline for evidence-based efficient and safe perioperative RBC transfusion management considering the current clinical landscape. Methods This guideline was obtained after the revision and refinement of exemplary clinical practice guidelines developed in advanced countries. This was followed by rigorous evidence-based reassessment considering the healthcare environment of the country. Results This guideline covers all important aspects of perioperative RBC transfusion, such as preoperative anemia management, appropriate RBC storage period, and leukoreduction (removal of white blood cells using filters), reversal of perioperative bleeding tendency, strategies for perioperative RBC transfusion, appropriate blood management protocols, efforts to reduce blood transfusion requirements, and patient monitoring during a perioperative transfusion. Conclusions This guideline will aid decisions related to RBC transfusion in healthcare settings and minimize patient risk associated with unnecessary pRBC transfusion.
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Affiliation(s)
- Bon-Nyeo Koo
- Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Min A Kwon
- Department of Anesthesiology and Pain Medicine, Dankook University Hospital, Cheonan, Korea
| | - Sang-Hyun Kim
- Department of Anesthesiology and Pain Medicine, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Jong Yeop Kim
- Department of Anesthesiology and Pain Medicine, Ajou University School of Medicine, Suwon, Korea
| | - Young-Jin Moon
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sun Young Park
- Department of Anesthesiology and Pain Medicine, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Eun-Ho Lee
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Min Suk Chae
- Department of Anesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sung Uk Choi
- Department of Anesthesiology and Pain Medicine, Korea University College of Medicine, Seoul, Korea
| | - Jeong-Hyun Choi
- Department of Anesthesiology and Pain Medicine, Kyung Hee University College of Medicine, Seoul, Korea
| | - Jin-Young Hwang
- Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
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Abstract
PURPOSE OF REVIEW Platelet-rich plasma has become an increasingly popular treatment option within the orthopedic community to biologically enhance and stimulate difficult-to-heal musculoskeletal tissues. This review evaluates the recent literature on platelet-rich plasma use in the treatment of foot and ankle pathologies. RECENT FINDINGS Recent literature has demonstrated platelet-rich plasma to have a possible benefit in the treatment of Achilles pathology, chronic plantar fasciitis, osteochondral lesions of the talus, ankle osteoarthritis, and diabetic foot ulcers. However, given the lack of standardization of platelet-rich plasma preparations and protocols and the predominance of low-quality studies, no definitive treatment indications exist. Platelet-rich plasma is a promising treatment option, but at present, there is only limited clinical evidence supporting its use in foot and ankle applications.
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Affiliation(s)
- Peter R Henning
- Campbell Clinic Department of Orthopaedic Surgery & Biomedical Engineering, University of Tennessee, 1400 S. Germantown Rd, Germantown, 38138, TN, USA
| | - Benjamin J Grear
- Campbell Clinic Department of Orthopaedic Surgery & Biomedical Engineering, University of Tennessee, 1400 S. Germantown Rd, Germantown, 38138, TN, USA.
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14
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Ng MSY, Tung JP, Fraser JF. Platelet Storage Lesions: What More Do We Know Now? Transfus Med Rev 2018; 32:S0887-7963(17)30189-X. [PMID: 29751949 DOI: 10.1016/j.tmrv.2018.04.001] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 04/09/2018] [Accepted: 04/09/2018] [Indexed: 12/20/2022]
Abstract
Platelet concentrate (PC) transfusions are a lifesaving adjunct to control and prevent bleeding in cancer, hematologic, surgical, and trauma patients. Platelet concentrate availability and safety are limited by the development of platelet storage lesions (PSLs) and risk of bacterial contamination. Platelet storage lesions are a series of biochemical, structural, and functional changes that occur from blood collection to transfusion. Understanding of PSLs is key for devising interventions that prolong PC shelf life to improve PC access and wastage. This article will review advancements in clinical and mechanistic PSL research. In brief, exposure to artificial surfaces and high centrifugation forces during PC preparation initiate PSLs by causing platelet activation, fragmentation, and biochemical release. During room temperature storage, enhanced glycolysis and reduced mitochondrial function lead to glucose depletion, lactate accumulation, and product acidification. Impaired adenosine triphosphate generation reduces platelet capacity to perform energetically demanding processes such as hypotonic stress responses and activation/aggregation. Storage-induced alterations in platelet surface proteins such as thrombin receptors and glycoproteins decrease platelet aggregation. During storage, there is an accumulation of immunoactive proteins such as leukocyte-derive cytokines (tumor necrosis factor α, interleukin (IL) 1α, IL-6, IL-8) and soluble CD40 ligand which can participate in transfusion-related acute lung injury and nonhemolytic transfusion reactions. Storage-induced microparticles have been linked to enhanced platelet aggregation and immune system modulation. Clinically, stored PCs have been correlated with reduced corrected count increment, posttransfusion platelet recovery, and survival across multiple meta-analyses. Fresh PC transfusions have been associated with superior platelet function in vivo; however, these differences were abrogated after a period of circulation. There is currently insufficient evidence to discern the effect of PSLs on transfusion safety. Various bag and storage media changes have been proposed to reduce glycolysis and platelet activation during room temperature storage. Moreover, cryopreservation and cold storage have been proposed as potential methods to prolong PC shelf life by reducing platelet metabolism and bacterial proliferation. However, further work is required to elucidate and manage the PSLs specific to these storage protocols before its implementation in blood banks.
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Affiliation(s)
- Monica Suet Ying Ng
- Critical Care Research Group, The Prince Charles Hospital, Chermside, Queensland, Australia; Faculty of Medicine, University of Queensland, Herston, Queensland, Australia; Research and Development, Australian Red Cross Blood Service, Kelvin Grove, Queensland, Australia.
| | - John-Paul Tung
- Critical Care Research Group, The Prince Charles Hospital, Chermside, Queensland, Australia; Faculty of Medicine, University of Queensland, Herston, Queensland, Australia; Research and Development, Australian Red Cross Blood Service, Kelvin Grove, Queensland, Australia.
| | - John Francis Fraser
- Critical Care Research Group, The Prince Charles Hospital, Chermside, Queensland, Australia; Faculty of Medicine, University of Queensland, Herston, Queensland, Australia.
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15
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Losos M, Biller E, Li J, Blower L, Hamad D, Patel G, Scrape S, Cataland S, Chen J. Prolonged platelet storage associated with increased frequency of transfusion-related adverse events. Vox Sang 2017; 113:170-176. [DOI: 10.1111/vox.12622] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Revised: 09/19/2017] [Accepted: 11/07/2017] [Indexed: 12/14/2022]
Affiliation(s)
- M. Losos
- Department of Pathology and Immunology; Baylor College of Medicine; Houston TX USA
| | - E. Biller
- Department of Pathology; The Ohio State University Wexner Medical Center; Columbus OH USA
| | - J. Li
- College of Pharmacy; The Ohio State University Wexner Medical Center; Columbus OH USA
| | - L. Blower
- Department of Pathology; The Ohio State University Wexner Medical Center; Columbus OH USA
| | - D. Hamad
- Department of Pathology; The Ohio State University Wexner Medical Center; Columbus OH USA
| | - G. Patel
- Department of Pathology; The Ohio State University Wexner Medical Center; Columbus OH USA
| | - S. Scrape
- Department of Pathology; The Ohio State University Wexner Medical Center; Columbus OH USA
| | - S. Cataland
- Department of Internal Medicine; Division of Hematology; The Ohio State University Wexner Medical Center; Columbus OH USA
| | - J. Chen
- Department of Pathology; The Ohio State University Wexner Medical Center; Columbus OH USA
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16
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Lansdown DA, Fortier LA. Platelet-Rich Plasma: Formulations, Preparations, Constituents, and Their Effects. OPER TECHN SPORT MED 2017. [DOI: 10.1053/j.otsm.2016.12.002] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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17
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Garraud O, Tariket S, Sut C, Haddad A, Aloui C, Chakroun T, Laradi S, Cognasse F. Transfusion as an Inflammation Hit: Knowns and Unknowns. Front Immunol 2016; 7:534. [PMID: 27965664 PMCID: PMC5126107 DOI: 10.3389/fimmu.2016.00534] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 11/11/2016] [Indexed: 01/15/2023] Open
Abstract
Transfusion of blood cell components is frequent in the therapeutic arsenal; it is globally safe or even very safe. At present, residual clinical manifestations are principally inflammatory in nature. If some rare clinical hazards manifest as acute inflammation symptoms of various origin, most of them linked with conflicting and undesirable biological material accompanying the therapeutic component (infectious pathogen, pathogenic antibody, unwanted antigen, or allergen), the general feature is subtler and less visible, and essentially consists of alloimmunization or febrile non-hemolytic transfusion reaction. The present essay aims to present updates in hematology and immunology that help understand how, when, and why subclinical inflammation underlies alloimmunization and circumstances characteristic of red blood cells and – even more frequently – platelets that contribute inflammatory mediators. Modern transfusion medicine makes sustained efforts to limit such inflammatory hazards; efforts can be successful only if one has a clear view of each element’s role.
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Affiliation(s)
- Olivier Garraud
- Faculty of Medicine of Saint-Etienne, University of Lyon, Saint-Etienne, France; Institut National de la Transfusion Sanguine, Paris, France
| | - S Tariket
- Faculty of Medicine of Saint-Etienne, University of Lyon , Saint-Etienne , France
| | - C Sut
- Faculty of Medicine of Saint-Etienne, University of Lyon , Saint-Etienne , France
| | - A Haddad
- Faculty of Medicine of Saint-Etienne, University of Lyon, Saint-Etienne, France; Hôpital du Sacré-Coeur, Beirut, Lebanon
| | - C Aloui
- Faculty of Medicine of Saint-Etienne, University of Lyon , Saint-Etienne , France
| | - T Chakroun
- Faculty of Medicine of Saint-Etienne, University of Lyon, Saint-Etienne, France; Centre de Transfusion Sanguine, Sousse, Tunisia; Faculty of Pharmacy, University of Monastir, Monastir, Tunisia
| | - S Laradi
- Faculty of Medicine of Saint-Etienne, University of Lyon, Saint-Etienne, France; Etablissement Français du Sang Rhône-Alpes-Auvergne, Saint-Etienne, France
| | - F Cognasse
- Faculty of Medicine of Saint-Etienne, University of Lyon, Saint-Etienne, France; Etablissement Français du Sang Rhône-Alpes-Auvergne, Saint-Etienne, France
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18
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Abstract
There are many cytokines that have been shown to increase in platelet concentrates during storage including: proinflammatory cytokines, chemokines, and transforming growth factor β. The concentrations of these cytokines can be variable depending on the method of platelet preparation, and the leukocyte and/or platelet concentration in the product. The clinical significance of these cytokines is questionable; however, clinical data suggests that tike proinflammatory cytokines may play an important role in causing febrile non-hemolytic transfusion reactions. The clinical data to support a causative role in these reactions includes: correlational studies where high concentrations of proinflammatory cytokines were associated with a higher frequency of reactions; observational studies showing that the transfusion of platelet products with high leukocyte counts have a higher likelihood of causing reactions; and, experimental studies where products with low cytokine levels seldom cause FNHTR. The clinical relevance of chemokines and other growth factors detected in platelet concentrates remains inconclusive.
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Affiliation(s)
- N M Heddle
- a Department of Pathology , McMaster University and Laboratory Medicine, Hamilton Health Sciences Corporation , Hamilton , Ontario , Canada
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19
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Tariket S, Sut C, Hamzeh-Cognasse H, Laradi S, Pozzetto B, Garraud O, Cognasse F. Transfusion-related acute lung injury: transfusion, platelets and biological response modifiers. Expert Rev Hematol 2016; 9:497-508. [DOI: 10.1586/17474086.2016.1152177] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
| | | | | | - Sandrine Laradi
- Université de Lyon, Saint Etienne, France
- Etablissement Français du Sang - Rhônes-Alpes-Auvergne, Saint-Etienne, France
| | | | - Olivier Garraud
- Université de Lyon, Saint Etienne, France
- INTS - Institut National de la Transfusion Sanguine, Paris, France
| | - Fabrice Cognasse
- Université de Lyon, Saint Etienne, France
- Etablissement Français du Sang - Rhônes-Alpes-Auvergne, Saint-Etienne, France
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20
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Knezevic NN, Candido KD, Desai R, Kaye AD. Is Platelet-Rich Plasma a Future Therapy in Pain Management? Med Clin North Am 2016; 100:199-217. [PMID: 26614728 DOI: 10.1016/j.mcna.2015.08.014] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Platelet-rich plasma (PRP) has the potential to regenerate tissues and decrease pain through the effects of bioactive molecules and growth factors present in alpha granules. Several PRP preparation systems are available with varying end products, doses of growth factors, and bioactive molecules. This article presents the biology of PRP, the preparation of PRP, and the effects PRP-related growth factors have on tissue healing and repair. Based on available evidence-based literature, the success of PRP therapy depends on the method of preparation and composition of PRP, the patient's medical condition, anatomic location of the injection, and the type of tissue injected.
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Affiliation(s)
- Nebojsa Nick Knezevic
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, 836 West Wellington Avenue, Suite 4815, Chicago, IL 60657, USA; Department of Anesthesiology, University of Illinois, 1740 W. Taylor St, Chicago, IL 60612, USA
| | - Kenneth D Candido
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, 836 West Wellington Avenue, Suite 4815, Chicago, IL 60657, USA; Department of Anesthesiology, University of Illinois, 1740 W. Taylor St, Chicago, IL 60612, USA
| | - Ravi Desai
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, 836 West Wellington Avenue, Suite 4815, Chicago, IL 60657, USA
| | - Alan David Kaye
- Department of Anesthesiology, Louisiana State University School of Medicine, LSU Health Science Center, 1542 Tulane Avenue, Room 659, New Orleans, LA 70112, USA; Department of Pharmacology, Louisiana State University School of Medicine, 1901 Perdido St, New Orleans, LA 70112, USA.
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21
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Perros AJ, Christensen AM, Flower RL, Dean MM. Soluble Mediators in Platelet Concentrates Modulate Dendritic Cell Inflammatory Responses in an Experimental Model of Transfusion. J Interferon Cytokine Res 2015; 35:821-30. [PMID: 26133961 DOI: 10.1089/jir.2015.0029] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
The transfusion of platelet concentrates (PCs) is widely used to treat thrombocytopenia and severe trauma. Ex vivo storage of PCs is associated with a storage lesion characterized by partial platelet activation and the release of soluble mediators, such as soluble CD40 ligand (sCD40L), RANTES, and interleukin (IL)-8. An in vitro whole blood culture transfusion model was employed to assess whether mediators present in PC supernatants (PC-SNs) modulated dendritic cell (DC)-specific inflammatory responses (intracellular staining) and the overall inflammatory response (cytometric bead array). Lipopolysaccharide (LPS) was included in parallel cultures to model the impact of PC-SNs on cell responses following toll-like receptor-mediated pathogen recognition. The impact of both the PC dose (10%, 25%) and ex vivo storage period was investigated [day 2 (D2), day 5 (D5), day 7 (D7)]. PC-SNs alone had minimal impact on DC-specific inflammatory responses and the overall inflammatory response. However, in the presence of LPS, exposure to PC-SNs resulted in a significant dose-associated suppression of the production of DC IL-12, IL-6, IL-1α, tumor necrosis factor-α (TNF-α), and macrophage inflammatory protein (MIP)-1β and storage-associated suppression of the production of DC IL-10, TNF-α, and IL-8. For the overall inflammatory response, IL-6, TNF-α, MIP-1α, MIP-1β, and inflammatory protein (IP)-10 were significantly suppressed and IL-8, IL-10, and IL-1β significantly increased following exposure to PC-SNs in the presence of LPS. These data suggest that soluble mediators present in PCs significantly suppress DC function and modulate the overall inflammatory response, particularly in the presence of an infectious stimulus. Given the central role of DCs in the initiation and regulation of the immune response, these results suggest that modulation of the DC inflammatory profile is a probable mechanism contributing to transfusion-related complications.
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Affiliation(s)
- Alexis J Perros
- 1 Research and Development , Australian Red Cross Blood Service, Brisbane, Australia .,2 Faculty of Health, School of Biomedical Sciences, Queensland University of Technology , Brisbane, Australia
| | - Anne-Marie Christensen
- 1 Research and Development , Australian Red Cross Blood Service, Brisbane, Australia .,2 Faculty of Health, School of Biomedical Sciences, Queensland University of Technology , Brisbane, Australia
| | - Robert L Flower
- 1 Research and Development , Australian Red Cross Blood Service, Brisbane, Australia .,2 Faculty of Health, School of Biomedical Sciences, Queensland University of Technology , Brisbane, Australia
| | - Melinda M Dean
- 1 Research and Development , Australian Red Cross Blood Service, Brisbane, Australia .,2 Faculty of Health, School of Biomedical Sciences, Queensland University of Technology , Brisbane, Australia
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22
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Altara R, Manca M, Hermans KCM, Daskalopoulos EP, Brunner-La Rocca HP, Hermans RJJ, Struijker-Boudier HAJ, Blankesteijn MW. Diurnal rhythms of serum and plasma cytokine profiles in healthy elderly individuals assessed using membrane based multiplexed immunoassay. J Transl Med 2015; 13:129. [PMID: 25903806 PMCID: PMC4414365 DOI: 10.1186/s12967-015-0477-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Accepted: 03/30/2015] [Indexed: 11/17/2022] Open
Abstract
Background Recent clinical studies suggest that inflammatory mediators have huge potential in individualized therapy and in efficacy screening and can be utilized as biomarkers for a plethora of pathological conditions. The standard approach for detecting and measuring these inflammatory mediators is via blood samples. Nevertheless, there is no scientific report providing solid evidence on the most suitable blood compartment that will give the optimal inflammatory mediator measurement, or regarding the diurnal variation of circulating mediators. In this study, we present the biological variability of circulating cytokines and chemokines from healthy individuals (mean age 59 years) assessed by a novel membrane-based assay. Methods Fifteen males and an equal number of females (all above 50 years) with no known inflammatory condition were selected. Through a planar method, named Proteome Profiler™, improved with fluorescence readout into a semi-quantitative multiplex assay, a screening of 36 inflammatory mediators was performed in serum and plasma of morning and afternoon blood withdrawals. Results The multiplex analysis revealed that the physiological variability of several circulating inflammatory mediators was relatively small within a cohort of 30 healthy aging subjects. There was no substantial gender effect in the inflammatory mediator profile. On the contrary, most of the cytokine/chemokine values measured in the afternoon collection were found to be higher compared to the morning ones, particularly in plasma. Conclusions In this study we provide evidence that circulating cytokine and chemokine levels of healthy individuals are elevated when blood is sampled in the afternoon compared to the morning, as influenced by the circulating cortisol levels. Furthermore, we report significant differences between cytokine/chemokine levels measured in serum and plasma. Our results provide essential information for future studies that will focus on examining circulating inflammatory mediator differences between healthy and diseased individuals.
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Affiliation(s)
- Raffaele Altara
- Department of Pharmacology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 50 Universiteitssingel, 6229ER, P.O. Box 616, 6200MD, Maastricht, The Netherlands.
| | - Marco Manca
- Experimental Vascular Pathology Group, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands.
| | - Kevin C M Hermans
- Department of Pharmacology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 50 Universiteitssingel, 6229ER, P.O. Box 616, 6200MD, Maastricht, The Netherlands.
| | - Evangelos P Daskalopoulos
- Department of Pharmacology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 50 Universiteitssingel, 6229ER, P.O. Box 616, 6200MD, Maastricht, The Netherlands.
| | - Hans-Peter Brunner-La Rocca
- Department of Cardiology, Maastricht University Medical Center, Cardiovascular Research Institute Maastricht (CARIM), Maastricht, The Netherlands.
| | - Rob J J Hermans
- Department of Pharmacology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 50 Universiteitssingel, 6229ER, P.O. Box 616, 6200MD, Maastricht, The Netherlands.
| | - Harry A J Struijker-Boudier
- Department of Pharmacology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 50 Universiteitssingel, 6229ER, P.O. Box 616, 6200MD, Maastricht, The Netherlands.
| | - Matthijs W Blankesteijn
- Department of Pharmacology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 50 Universiteitssingel, 6229ER, P.O. Box 616, 6200MD, Maastricht, The Netherlands.
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23
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Sandgren P, Rönnmark J, Axelsson J. In vitro affinity reduction of biologic response modifiers from production buffy coat platelets exposed to recombinant protein receptors. Transfusion 2015; 55:1919-26. [DOI: 10.1111/trf.13051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 01/16/2015] [Accepted: 01/16/2015] [Indexed: 01/09/2023]
Affiliation(s)
- Per Sandgren
- Department of Clinical Immunology and Transfusion Medicine
| | - Jenny Rönnmark
- JJK Medical Development AB/South End Advisory AB; Stockholm Sweden
| | - Jonas Axelsson
- Department of Medical Biochemistry and Biophysics; Karolinska University Hospital and Karolinska Institutet
- JJK Medical Development AB/South End Advisory AB; Stockholm Sweden
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24
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Kaur D, Sharma RR, Marwaha N. Defining an appropriate leucoreduction strategy by serial assessment of cytokine levels in platelet concentrates prepared by different methods. Asian J Transfus Sci 2015; 9:31-5. [PMID: 25722570 PMCID: PMC4339928 DOI: 10.4103/0973-6247.150945] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background and Objectives: Different methods of platelet concentrate preparations leave behind certain number of residual leukocytes, accounting for most of the febrile nonhemolytic transfusion reactions, especially in multitransfused patients. Various inflammatory cytokines, such as tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), and IL-6 are generated during storage and have been implicated for these adverse effects. We have studied the levels of these cytokines and their correlation with leucocyte contents in platelet concentrates prepared by three different methods. Study Design and Methods: Five pools of platelet rich plasma platelet concentrates (PRP-PC) and buffy-coat platelet concentrates (BC-PC) each were prepared and divided into two halves. One half of the pool was leucofiltered (LF), whereas the other half was stored as such. Ten apheresis units were also included in the study. All the platelet concentrates were assessed for leucocyte load and cytokine content (IL-1β, IL-6, and TNF-α) on different days of storage (0, 3, and 5) using Nageotte chamber and commercially available immunoassays respectively. Results: There was a statistically significant rise in cytokine levels (IL-1β, IL-6, and TNF-α) in nonleucofiltered (NLF) random donor platelet concentrates (RDPs) (PRP-PC and BC-PC) during storage (day 3 and 5) whereas LF RDP concentrates (PRP-PC and BC-PC) and apheresis platelet concentrates (AP-PC) did not show any significant rise in cytokine levels (on day 3 and 5) over the baseline values at day 0. Conclusion: This data suggests that although AP-PCs are superior to PRP-PC (NLF) and BC-PC (NLF) in terms of in vitro quality control parameters and cytokine generation during storage, BC-PC mode of platelet preparation followed by leucofiltration is the best method to store platelets and minimise the cytokine accumulation. This strategy is best suited for transfusion in multitransfused hematooncologic patients, who cannot afford single donor apheresis platelets.
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Affiliation(s)
- Daljit Kaur
- Department of Transfusion Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ratti Ram Sharma
- Department of Transfusion Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Neelam Marwaha
- Department of Transfusion Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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25
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Bradley M. There is no change in soluble leucocyte selectin concentrations in whole blood after 48 hours of storage at 4 °C. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2015; 13:139-42. [PMID: 25369610 PMCID: PMC4317099 DOI: 10.2450/2014.0104-14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Accepted: 06/17/2014] [Indexed: 11/21/2022]
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26
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Sandgren P, Diedrich B. Pathogen inactivation of double-dose buffy-coat platelet concentrates photochemically treated with amotosalen and UVA light: preservation ofin vitrofunction. Vox Sang 2014; 108:340-9. [DOI: 10.1111/vox.12232] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Revised: 10/16/2014] [Accepted: 11/13/2014] [Indexed: 01/08/2023]
Affiliation(s)
- P. Sandgren
- Department of Clinical Immunology and Transfusion Medicine; Karolinska University Hospital and Karolinska Institutet; Stockholm Sweden
| | - B. Diedrich
- Department of Clinical Immunology and Transfusion Medicine; Karolinska University Hospital and Karolinska Institutet; Stockholm Sweden
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27
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Mohamed M, Bates G, Richardson D, Burrows L. Recurrent life-threatening reactions to platelet transfusion in an aplastic anaemia patient with a paroxysmal nocturnal haemoglobinuria clone. Intern Med J 2014; 44:925-7. [PMID: 25201425 DOI: 10.1111/imj.12528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Accepted: 04/06/2014] [Indexed: 11/27/2022]
Abstract
A 60-year-old woman was diagnosed with non-severe aplastic anaemia when she presented with anaemia and thrombocytopenia. She developed recurrent life-threatening hypotensive reactions during transfusion of leukodepleted platelet concentrates, and washed platelet concentrates prevented the development of such reactions subsequently. A paroxysmal nocturnal haemoglobinuria clone was detected on investigating for aplastic anaemia, which has been speculated to play a role in the recurrent hypotensive reactions.
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Affiliation(s)
- M Mohamed
- Haematology Department, Launceston General Hospital, Launceston, Tasmania, Australia; Launceston Clinical School, University of Tasmania, Launceston, Tasmania, Australia
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28
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Pohler P, Müller M, Winkler C, Schaudien D, Sewald K, Müller TH, Seltsam A. Pathogen reduction by ultraviolet C light effectively inactivates human white blood cells in platelet products. Transfusion 2014; 55:337-47. [DOI: 10.1111/trf.12836] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Revised: 07/18/2014] [Accepted: 07/21/2014] [Indexed: 11/28/2022]
Affiliation(s)
- Petra Pohler
- German Red Cross Blood Service NSTOB; Institute Springe; Springe Germany
| | - Meike Müller
- Fraunhofer Institute of Toxicology and Experimental Medicine; Hannover Germany
| | - Carla Winkler
- Fraunhofer Institute of Toxicology and Experimental Medicine; Hannover Germany
| | - Dirk Schaudien
- Fraunhofer Institute of Toxicology and Experimental Medicine; Hannover Germany
| | - Katherina Sewald
- Fraunhofer Institute of Toxicology and Experimental Medicine; Hannover Germany
| | - Thomas H. Müller
- German Red Cross Blood Service NSTOB; Institute Springe; Springe Germany
| | - Axel Seltsam
- German Red Cross Blood Service NSTOB; Institute Springe; Springe Germany
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29
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The basic science of platelet-rich plasma (PRP): what clinicians need to know. Sports Med Arthrosc Rev 2014; 21:180-5. [PMID: 24212364 DOI: 10.1097/jsa.0b013e3182999712] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Platelet-rich plasma (PRP) has been advocated for the biological augmentation of tissue healing and regeneration through the local introduction of increased levels (above baseline) of platelets and their associated bioactive molecules. In theory, the increased levels of autologous growth factors and secretory proteins provided by the concentrated platelets may enhance the wound healing process, especially in degenerative tissues or biologically compromised individuals. Although PRP has been increasingly utilized in the treatment of a variety of sports-related injuries, improvements in healing and clinical outcomes have not been universally reported. One reason for this may be the fact that all PRP preparations are not the same. Variations in the volume of whole blood taken, the platelet recovery efficacy, the final volume of plasma in which the platelets are suspended, and the presence or absence of white blood cells, and the addition of exogenous thrombin to activate the platelets or calcium chloride to induce fibrin formation, can all affect the character and potential efficacy of the final PRP product. This article will review the basic principles involved in creating PRP and examine the potential basic scientific significance of the individual blood components contained in the various forms of PRP currently used in sports medicine.
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30
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McCarrel TM, Mall NA, Lee AS, Cole BJ, Butty DC, Fortier LA. Considerations for the Use of Platelet-Rich Plasma in Orthopedics. Sports Med 2014; 44:1025-36. [DOI: 10.1007/s40279-014-0195-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Maloney JP, Ambruso DR, Voelkel NF, Silliman CC. Platelet Vascular Endothelial Growth Factor is a Potential Mediator of Transfusion-Related Acute Lung Injury. ACTA ACUST UNITED AC 2014; 4. [PMID: 25705568 PMCID: PMC4335657 DOI: 10.4172/2161-105x.1000212] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Objective The occurrence of non-hemolytic transfusion reactions is highest with platelet and plasma administration. Some of these reactions are characterized by endothelial leak, especially transfusion related acute lung injury (TRALI). Elevated concentrations of inflammatory mediators secreted by contaminating leukocytes during blood product storage may contribute to such reactions, but platelet-secreted mediators may also contribute. We hypothesized that platelet storage leads to accumulation of the endothelial permeability mediator vascular endothelial growth factor (VEGF), and that intravascular administration of exogenous VEGF leads to extensive binding to its lung receptors. Methods Single donor, leukocyte-reduced apheresis platelet units were sampled over 5 days of storage. VEGF protein content of the centrifuged supernatant was determined by ELISA, and the potential contribution of VEGF from contaminating leukocytes was quantified. Isolated-perfused rat lungs were used to study the uptake of radiolabeled VEGF administered intravascularly, and the effect of unlabeled VEGF on lung leak. Results There was a time-dependent release of VEGF into the plasma fraction of the platelet concentrates (62 ± 9 pg/ml on day one, 149 ± 23 pg/ml on day 5; mean ± SEM, p<0.01, n=8) and a contribution by contaminating leukocytes was excluded. Exogenous 125I-VEGF bound avidly and specifically to the lung vasculature, and unlabeled VEGF in the lung perfusate caused vascular leak. Conclusion Rising concentrations of VEGF occur during storage of single donor platelet concentrates due to platelet secretion or disintegration, but not due to leukocyte contamination. Exogenous VEGF at these concentrations rapidly binds to its receptors in the lung vessels. At higher VEGF concentrations, VEGF causes vascular leak in uninjured lungs. These data provide further evidence that VEGF may contribute to the increased lung permeability seen in TRALI associated with platelet products.
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Affiliation(s)
- James P Maloney
- Departments of Pulmonary Sciences and Critical Care Medicine, University of Colorado at Denver, USA ; Department of Medicine, University of Colorado at Denver, USA
| | - Daniel R Ambruso
- Department of Pediatrics, University of Colorado at Denver, USA ; Department of Pathology, University of Colorado at Denver, USA ; University of Colorado School of Medicine; the Center for Cancer and Blood Disorders, Children's Hospital Colorado, USA ; Bonfils Blood Center, University of Colorado at Denver, USA
| | - Norbert F Voelkel
- Department of Internal Medicine, Commonwealth University of Virginia, USA
| | - Christopher C Silliman
- Department of Medicine, University of Colorado at Denver, USA ; Department of Pediatrics, University of Colorado at Denver, USA ; Department of Surgery, University of Colorado at Denver, USA ; University of Colorado School of Medicine; the Center for Cancer and Blood Disorders, Children's Hospital Colorado, USA ; Bonfils Blood Center, University of Colorado at Denver, USA
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Zaki MES, Fouda M, Sharaf eldeen OA, Zaghloul MHED. Extracellular accumulation of bioactive substances; Interleukin-1β (IL-1β) and plasminogen activator inhibitor-1 (PAI-1) in stored blood units and relation to bacterial contamination. Hematology 2013; 11:301-5. [PMID: 17178672 DOI: 10.1080/10245330600702745] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
Bacterial contamination of blood and its cellular components remains an unresolved problem in transfusion medicine and is considered to be the most common microbiological cause of transfusion associated morbidity and mortality. The present work was designed to explore the levels of two bioactive compounds interleukin-1 beta (IL-1beta) and plasminogen activator inhibitor-1 (PAI-1) in stored blood units and their relation to bacterial contamination of these units. This study was conducted on 112 blood units obtained from blood bank of Mansoura University Children Hospital. Sequential blood samples were obtained both immediately at donation and after 10 days for measurement of IL-1beta and PAI-1 and for bacterial culture by BACTEC 9050 system. There was statistically significant increase in both IL-1 beta and PAI-1 (P = 0.0001) after 10 days of blood units storage. Bacteriological culture revealed no growth in 68% and positive growth in 32% of blood units. The commonest isolated organism was Staphylococcus aureus (15%) followed by Staphylococcus epidermedis (13%) then Yersinia sp. and Enterobacter sp. (2%) for each. From the present study we could conclude that stored blood units contain platelets and WBCs derived bioactive substances PAI-1 and IL-1beta which increase with the duration of blood storage. Furthermore, the extended duration of storage carries the danger of blood contamination by bacteria. Automated blood culture system seems to be helpful in identification of bacterial contamination of blood units. We recommend fresh blood transfusion as early as possible and the practice of Leucofiltration to avoid blood transfusion complications.
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Affiliation(s)
- Maysaa El Sayed Zaki
- Department of Clinical Pathology, Faculty of Medicine, Mansoura University, Mansoura, Egypt.
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Hamzeh-Cognasse H, Damien P, Nguyen KA, Arthaud CA, Eyraud MA, Chavarin P, Absi L, Osselaer JC, Pozzetto B, Cognasse F, Garraud O. Immune-reactive soluble OX40 ligand, soluble CD40 ligand, and interleukin-27 are simultaneously oversecreted in platelet components associated with acute transfusion reactions. Transfusion 2013; 54:613-25. [PMID: 23944651 DOI: 10.1111/trf.12378] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2013] [Accepted: 06/10/2013] [Indexed: 12/16/2022]
Abstract
BACKGROUND Leukoreduction of labile blood components dramatically decreases the frequency of minor, intermediate, and severe adverse events (AEs), referred to as acute transfusion reactions (ATRs), especially after transfusion of platelet components (PCs). The pathophysiology of AEs may result from accumulation of soluble, secreted, platelet (PLT) factors with proinflammatory functions stored in PCs. Thus, several cosynergizing factors associated with PLT accumulation in PCs may contribute to clinically reported ATRs with inflammatory symptoms. STUDY DESIGN AND METHODS We screened for 65 PLT-associated secretory products in PCs that caused ATRs and identified PLT molecules associated with ATRs and inflammation. A functional in vitro study using PC supernatants assayed on reporting immune cells was performed to indicate relevance. RESULTS Among 10,600 apheresis PCs, 30 caused inflammatory ATRs and contained significantly elevated levels of soluble CD40 ligand (sCD40L), interleukin (IL)-27, and soluble OX40 ligand (sOX40L). Normal PLTs secreted IL-27 and sOX40L at bioactive concentrations upon thrombin stimulation and were up regulated in association with ATRs, similar to sCD40L. Other secreted products were identified but not investigated further as their positivity was not consistent. CONCLUSIONS This study demonstrates the putative participation of PLT-derived sOX40L, IL-27, and sCD40L, which accumulate in PC supernatants, with inflammatory-type ATRs. Further studies are required to determine the clinical significance of these findings to forecast preventive measures whenever possible.
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Nogawa M, Naito Y, Chatani M, Onodera H, Shiba M, Okazaki H, Matsuzaki K, Satake M, Nakajima K, Tadokoro K. Parallel comparison of apheresis-collected platelet concentrates stored in four different additive solutions. Vox Sang 2013; 105:305-12. [DOI: 10.1111/vox.12064] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Revised: 05/20/2013] [Accepted: 06/02/2013] [Indexed: 11/28/2022]
Affiliation(s)
- M. Nogawa
- Central Blood Institute; Blood Service Headquarters; Japanese Red Cross Society; Tokyo; Japan
| | | | - M. Chatani
- Japanese Red Cross Kanto-Koshinetsu Block Blood Center; Tokyo; Japan
| | - H. Onodera
- Japanese Red Cross Kanto-Koshinetsu Block Blood Center; Tokyo; Japan
| | - M. Shiba
- Central Blood Institute; Blood Service Headquarters; Japanese Red Cross Society; Tokyo; Japan
| | - H. Okazaki
- Central Blood Institute; Blood Service Headquarters; Japanese Red Cross Society; Tokyo; Japan
| | - K. Matsuzaki
- Japanese Red Cross Tokyo Metropolitan Blood Center; Tokyo; Japan
| | - M. Satake
- Central Blood Institute; Blood Service Headquarters; Japanese Red Cross Society; Tokyo; Japan
| | - K. Nakajima
- Japanese Red Cross Tokyo Metropolitan Blood Center; Tokyo; Japan
| | - K. Tadokoro
- Central Blood Institute; Blood Service Headquarters; Japanese Red Cross Society; Tokyo; Japan
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Sonker A, Dubey A, Chaudhary R. Evaluation of a red cell leukofilter performance and effect of buffy coat removal on filtration efficiency and post filtration storage. Indian J Hematol Blood Transfus 2013; 30:321-7. [PMID: 25435736 DOI: 10.1007/s12288-013-0257-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2013] [Accepted: 04/05/2013] [Indexed: 11/27/2022] Open
Abstract
Prestorage leukoreduction of red cells is effective in reducing the incidence of HLA alloimmunization and improving the quality of stored packed red blood cells (PRBC). This study was conducted to evaluate the effectiveness of Imugard III-RC 4P in removing the leukocyte from packed red cells and the storage effects thereafter. The effects of buffy coat removal on the efficiency of leukofiltration, storage parameters of leukofiltered packed red blood cells and feasibility of prestorage leukofiltration were also assessed. Sixteen units each of buffy coat-depleted (LP) and nondepleted (NLP) PRBC were taken. Every unit was divided into two equal halves, one leukofiltered and other, non-leukofiltered. Cell counts, volume, hematocrit and hemoglobin were measured before and after filtration. Levels of K(+), lactate dehydrogenase (LDH) and hemolysis were assessed in all the units weekly, post leukofiltration. Post leukofiltration, red cell and volume loss was within the specified limit in all the units. Residual leukocytes were significantly lesser in LP- PRBC compared to NLPPRBC. K(+), LDH and hemolysis were significantly elevated in NLP- PRBC. Leukofiltered PRBC showed lesser elevation of K(+), LDH and hemolysis towards the end of the storage period as compared to their unfiltered counterparts. Leukofilter is capable of performing ~4 log reduction. Buffy coat removal prior to filtration improves the efficiency of leukofilter and aids in improving the storage of red cells in terms of hemolysis.
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Affiliation(s)
- Atul Sonker
- Department of Transfusion Medicine, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, 226014 India
| | - Anju Dubey
- Department of Transfusion Medicine, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, 226014 India
| | - Rajendra Chaudhary
- Department of Transfusion Medicine, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, 226014 India
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Refaai MA, Blumberg N. The transfusion dilemma – Weighing the known and newly proposed risks of blood transfusions against the uncertain benefits. Best Pract Res Clin Anaesthesiol 2013; 27:17-35. [DOI: 10.1016/j.bpa.2012.12.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2012] [Revised: 12/03/2012] [Accepted: 12/17/2012] [Indexed: 10/27/2022]
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Nagura Y, Tsuno NH, Tanaka M, Matsuhashi M, Takahashi K. The effect of pre-storage whole-blood leukocyte reduction on cytokines/chemokines levels in autologous CPDA-1 whole blood. Transfus Apher Sci 2013; 49:223-30. [PMID: 23462351 DOI: 10.1016/j.transci.2013.01.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2012] [Revised: 09/29/2012] [Accepted: 01/10/2013] [Indexed: 12/26/2022]
Abstract
BACKGROUND In this study, we aimed to investigate the effectiveness of pre-storage leukocyte filtration of autologous blood (AB), especially focusing on the cytokines/chemokines accumulation on blood products. MATERIALS AND METHODS After approval of the ethics committee of the University of Tokyo, a total of 26 orthopedic patients, who donated AB prior to surgery after informed consent, were enrolled. The effects of filtration on blood cell counts were analyzed, and the accumulation of cytokines and chemokines were measured on pre- and post-leukoreduced (LR) samples, using the Luminex system. The time-dependent changes of the cytokines/chemokines and the effect of the filtration on their concentration were analyzed, and compared with the normal plasma levels reported in the literature. RESULTS LR effectively reduced the number of leukocytes and platelets, without affecting that of red cells. The concentration of most of the cytokines/chemokines analyzed, except the EGF, sCD40-L and sFas-L, decreased time-dependently of storage or did not change in pre-LR samples. However, EGF, sCD40L and sFas-L were significantly reduced by LR. Some, such as IL-8 and RANTES, were also importantly decreased by LR, and others, such as IL-1β and TNF-α, were not significantly affected by LR. CONCLUSIONS Leukocyte filtration effectively removes platelets and leukocytes from AB, thus preventing the accumulation of cytokines/chemokines. Since adverse effects due to AB transfusion, although rare, are observed, there is need to consider the implementation of pre-storage leukocyte reduction (PSLR) for AB.
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Affiliation(s)
- Yutaka Nagura
- Department of Transfusion Medicine, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan
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Elmer J, Wilcox SR, Raja AS. Massive transfusion in traumatic shock. J Emerg Med 2013; 44:829-38. [PMID: 23375220 DOI: 10.1016/j.jemermed.2012.11.025] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2012] [Revised: 07/03/2012] [Accepted: 11/05/2012] [Indexed: 01/31/2023]
Abstract
BACKGROUND Hemorrhage after trauma is a common cause of death in the United States and globally. The primary goals when managing traumatic shock are the restoration of oxygen delivery to end organs, maintenance of circulatory volume, and prevention of ongoing bleeding through source control and correction of coagulopathy. Achieving these goals may require massive transfusion of blood products. Although use of blood products may be lifesaving, dose-related adverse effects are well described. DISCUSSION Complications of massive transfusion include interdependent derangements such as coagulopathy, hypothermia, acidosis, and electrolyte abnormalities, as well as infectious and immunomodulatory phenomena. This article explores the pathogenesis, implications, prevention, and treatment of these complications through the use of massive transfusion protocols. Particular attention is given to the optimal ratio of blood products transfused in large volume resuscitation and prevention of secondary coagulopathy. CONCLUSIONS Observational data indicate that the development and use of a massive transfusion protocol may reduce the morbidity and mortality associated with large-volume resuscitation of patients with hemorrhagic shock. Such protocols should include a pre-defined ratio of packed red blood cells, fresh frozen plasma, and platelets transfused; most commonly, the ratio used is 1:1:1. Additionally, such protocols should monitor for and correct hypothermia, hypofibrinogenemia, and electrolyte disturbances such as hypocalcemia and hyperkalemia.
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Affiliation(s)
- Jonathan Elmer
- Department of Emergency Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
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Graf C, Raila J, Schweigert FJ, Kohn B. Effect of leukoreduction treatment on vascular endothelial growth factor concentration in stored canine blood transfusion products. Am J Vet Res 2012; 73:2001-6. [DOI: 10.2460/ajvr.73.12.2001] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Costa EJ, Guimarães TMPD, de Almeida NC, de Toledo VDPCP. Comparison of cytokine levels and metabolic parameters of stored platelet concentrates of the Fundação Hemominas, Belo Horizonte, Brazil. Rev Bras Hematol Hemoter 2012; 34:94-9. [PMID: 23049399 PMCID: PMC3459397 DOI: 10.5581/1516-8484.20120029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2011] [Accepted: 12/21/2011] [Indexed: 11/27/2022] Open
Abstract
Background Prolonged storage of platelets could improve availability and logistical management and decrease wastage. Immunobiochemical methods can be used to guarantee the quality of platelets after prolonged storage. Objective The aim of this study was to compare storage-related changes in buffy coat-derived platelet concentrations versus platelet-rich plasmal. Methods Units of whole blood were drawn using a quadruple-bag blood container system. Platelet-rich plasma and buffy coat prepared from whole blood following standard methods were stored for 9 days. During this period test samples were aseptically collected for analysis on Days 1, 2, 3, 5, 7 and 9. Results The highest CD42b expression was greater than 95%. The percentage of CD62p was significantly lower than the CD42b expression. The pH remained fairly stable during storage. Measurement of pO2 and pCO2 showed that oxygen levels were significantly higher than carbon dioxide levels. There were no significant differences in bicarbonate levels, glucose consumption and lactate production between the groups. The swirling effect with platelet-rich plasma samples decreased after 5 days of storage and after 7 days of storage for buffy coat samples. There was a significant twenty-fold increase in the mean IL-1β after 5 days of storage for both groups. Slight increases in IL-6 and IL-8 levels were seen at 5 days. Conclusion The quality of platelet concentrates remained acceptable during 7 days of storage in respect to the swirling effect, pH and platelet activation. There were no significant differences between buffy coat-derived platelets and platelet-rich plasma in this study.
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McCarrel TM, Minas T, Fortier LA. Optimization of leukocyte concentration in platelet-rich plasma for the treatment of tendinopathy. J Bone Joint Surg Am 2012; 94:e143(1-8). [PMID: 23032594 DOI: 10.2106/jbjs.l.00019] [Citation(s) in RCA: 250] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Numerous methods are available for platelet-rich plasma (PRP) generation, but evidence defining the optimum composition is lacking. We hypothesized that leukocyte-reduced PRP would result in lower inflammatory cytokine expression compared with concentrated-leukocyte PRP and that maintaining the platelet:white blood cell (WBC) ratio would compensate for the effect of increased WBC concentration. METHODS Blood and flexor digitorum superficialis tendons were collected from young adult horses. Three PRP groups were generated with the same platelet concentration but different WBC concentrations: intermediate-concentration standard PRP, leukocyte-reduced PRP, and concentrated-leukocyte PRP. An additional high-concentration PRP group was generated with the same WBC concentration as the concentrated-leukocyte PRP group and the same platelet:WBC ratio as the standard PRP group. The PRP groups were used as media for flexor digitorum superficialis tendon explants in culture for seventy-two hours with 10% plasma in Dulbecco modified Eagle medium (DMEM) serving as control. Tendon gene expression for collagen types I (COL1A1) and III (COL3A1), cartilage oligomeric matrix protein (COMP), matrix metalloproteinase (MMP-13), interleukin-1β (IL-1β), and tumor necrosis factor-α (TNF-α) was performed. RESULTS The desired PRP groups were successfully generated. The expression of COMP, the COL1A1:COL3A1 ratio, and the expression of MMP-13 in flexor digitorum superficialis tendon explants was not different between PRP groups. The expression of COMP (p = 0.0027) and the COL1A1:COL3A1 ratio (p < 0.0001) were increased in the PRP groups as compared with the control group, and the expression of MMP-13 was decreased in the PRP groups as compared with the control group (p < 0.0001). The expression of IL-1β was lowest in leukocyte-reduced PRP and highest in concentrated-leukocyte PRP (p = 0.0001). The leukocyte-reduced PRP group and the control group had the lowest TNF-α expression, whereas the high-concentration PRP and concentrated-leukocyte PRP groups had the highest expression (p = 0.0224). CONCLUSIONS A high absolute WBC concentration in PRP contributes to the expression of inflammatory cytokines in flexor digitorum superficialis tendon explants, and maintenance of the platelet:WBC ratio is not able to counteract this effect. CLINICAL RELEVANCE The optimum composition of PRP for the treatment of tendinopathy has not been directly investigated. Persistent inflammation results in inferior repair with scar tissue. The present study indicates that in an animal model, WBC in PRP contributes to inflammatory cytokine production. Therefore, leukocyte-reduced PRP may be the optimum preparation to stimulate superior healing without scar tissue formation.
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Affiliation(s)
- Taralyn M McCarrel
- Rood and Riddle Equine Hospital, 2150 Georgetown Road, Lexington, KY, 40511, USA
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Wang RR, Triulzi DJ, Qu L. Effects of prestorage vs poststorage leukoreduction on the rate of febrile nonhemolytic transfusion reactions to platelets. Am J Clin Pathol 2012; 138:255-9. [PMID: 22904138 DOI: 10.1309/ajcp5h7ekztggbkz] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
The purpose of this study was to assess the incidence of febrile nonhemolytic transfusion reactions (FNHTRs) to concurrent transfusions of prestorage-leukoreduced (PreSLR) pooled platelets, poststorage-leukoreduced (PostSLR) pooled platelets, nonleukoreduced (NonLR) pooled platelets, and apheresis single-donor platelets (SDPs) to compare the rates of FNHTRs to PreSLR vs PostSLR pooled platelets. Reported transfusion reactions to platelets at 15 hospitals for a period of 45 months were retrospectively reviewed. Reaction rates to different types of platelet products were calculated and compared. During the study period, 70,015 platelet transfusions were administered. Among these, 152 (0.22%) FNHTRs and 111 (0.16%) allergic transfusion reactions were seen. Reported rates of FNHTRs were 0.07% (SDP), 0.16% (PreSLR), 0.30% (PostSLR), and 0.20% (NonLR) (P < .05 for PreSLR vs PostSLR). Rates of allergic reactions were 0.16% (SDP), 0.17% (PreSLR), 0.18% (PostSLR), and 0.11% (NonLR) (P > .05). The rates of reported FNHTRs were low for all types of platelet transfusions. SDPs and PreSLR pooled platelets were associated with a slightly lower rate of FNHTR compared with PostSLR pooled platelets.
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Affiliation(s)
| | - Darrell J. Triulzi
- The Institute for Transfusion Medicine, Pittsburgh, PA
- Department of Pathology, University of Pittsburgh Medical Center
| | - Lirong Qu
- The Institute for Transfusion Medicine, Pittsburgh, PA
- Department of Pathology, University of Pittsburgh Medical Center
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Sahler J, Spinelli S, Phipps R, Blumberg N. CD40 ligand (CD154) involvement in platelet transfusion reactions. Transfus Clin Biol 2012; 19:98-103. [PMID: 22703674 DOI: 10.1016/j.tracli.2012.02.003] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2012] [Accepted: 02/29/2012] [Indexed: 12/30/2022]
Abstract
Platelet transfusions are commonly used treatments that occasionally lead to adverse reactions. Clinical trials, in vitro and animal studies have been performed to try to understand the causes of such reactions. Multiple studies have shown that the supernatant fraction of platelet concentrates contain prothrombotic and pro-inflammatory mediators. The origin of these mediators was first ascribed to white blood cells contaminating the platelet preparation. However, the accumulation of bioactive mediators after leukoreduction focused attention on platelets themselves during storage. Numerous cytokines, chemokines and prostaglandins are released in stored platelet concentrates. We have focused on a powerful mediator called soluble CD40 ligand (sCD40L, formally known as CD154) as a seminal contributor to adverse reactions. sCD40L can bind and signal the surface receptor, CD40, which is present on various types of human cells including white blood cells, vascular cells and fibroblasts. Downstream results of sCD40L/CD40 signaling include pro-inflammatory cytokine and chemokine production, prothrombotic mediator release, adherence and transmigration of leukocytes to endothelium and other undesirable vascular inflammatory events. Increased plasma levels of sCD40L can be detected in conditions such as myocardial infarction, stroke, unstable angina, high cholesterol, or other cardiovascular conditions. In retrospective studies, correlations were made between increased sCD40L levels of platelet concentrates and adverse transfusion reactions. We hypothesize that transfusion of partially activated, CD40L-expressing platelets along with sCD40L into a recipient with damaged or dysfunctional vascular tissue results in a "double-hit", thus inciting inflammation and vascular damage in the recipient.
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Affiliation(s)
- J Sahler
- Department of Microbiology and Immunology, School of Medicine and Dentistry, University of Rochester, 601, Elmwood Avenue Rochester, New York 14642, USA
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Garraud O, Hamzeh-Cognasse H, Cognasse F. Platelets and cytokines: How and why? Transfus Clin Biol 2012; 19:104-8. [PMID: 22682309 DOI: 10.1016/j.tracli.2012.02.004] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2012] [Accepted: 02/29/2012] [Indexed: 12/11/2022]
Abstract
For patients with platelet deficiencies, platelet components are therapeutic products for which there is no substitute. However, transfusion complications are more frequent with this labile blood product than with others. This is attributable to products secreted by the platelets themselves, including a variety of cytokines, chemokines, and biological response modifiers, some of which are secreted in large quantities following platelet activation. Why platelets are activated and prone to releasing these molecules during certain inflammatory and innate immune responses is not yet fully understood, but it could be due to several parameters including incompatibilities between blood donors and recipients, the process of platelet preparation and preservation, and the ability of the donor's immune system to sense danger presented by external stimuli during the blood donation process. This review presents our current knowledge of how the platelets that constitute the platelet component for transfusion are sources of cytokines and biological response modifiers and discusses methods to improve the quality of blood transfusion products and safety for patients.
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Affiliation(s)
- O Garraud
- Établissement français du sang Auvergne-Loire, 25, boulevard Pasteur, 42023 Saint-Étienne cedex 02, France.
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Hemoglobin-based oxygen carriers for hemorrhagic shock. Resuscitation 2012; 83:285-92. [DOI: 10.1016/j.resuscitation.2011.09.020] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2011] [Revised: 08/28/2011] [Accepted: 09/19/2011] [Indexed: 02/04/2023]
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Takahashi D, Fujihara M, Azuma H, Wakamoto S, Sato S, Kato T, Ikeda H. Adhesive interaction between peripheral blood mononuclear cells and activated platelets in the presence of anti-human leukocyte antigen Class I alloantibody causes production of IL-1β and IL-8. Vox Sang 2011; 102:250-7. [PMID: 21923858 DOI: 10.1111/j.1423-0410.2011.01549.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
BACKGROUND Activated platelets form heterogeneous aggregates of platelets and monocytes, which are involved in a variety of inflammatory disorders. Some anti-human leukocyte antigen (HLA) Class I antibodies have been shown to activate platelets. MATERIALS AND METHODS Human leukocyte antigen-A2-positive or HLA-A2-negative platelets were incubated with HLA-A2-negative peripheral blood mononuclear cells (PBMNCs) in the presence of anti-HLA-A2 serum at 37°C. The binding of platelets to monocytes was analysed by flow cytometry. The levels of IL-1 β and IL-8 in the culture supernatant were determined by ELISA. RESULTS Anti-HLA-A2 serum increased the formation of aggregates between monocytes and HLA-A2-positive platelets, but not HLA-A2-negative platelets, in a dose-dependent manner. Antiserum also increased the number of platelets bound to monocytes in a time-dependent manner. The addition of anti-P-selectin glycoprotein ligand (PSGL-1) mAb almost completely inhibited the formation of platelet-monocyte aggregates as well as the number of platelets bound to monocytes. When HLA-A2-positive or HLA-A2-negative platelets were incubated with HLA-A2-negative PBMNCs in the presence of anti-HLA-A2, the level of IL-1β and IL-8 in the supernatant of coculture was significantly higher in HLA-A2-positive platelets than in HLA-A2-negative platelets. The addition of anti-PSGL-1 mAb partially but significantly inhibited the production of both IL-1β and IL-8. CONCLUSIONS The activation of platelets with anti-HLA Class I alloantibody caused the formation of platelet-monocyte aggregates, followed by the production of IL-1β and IL-8, in a cognate antigen-antibody manner. The adhesive interaction of P-selectin and PSGL-1 at least partially contributed to these phenomena.
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Affiliation(s)
- D Takahashi
- Japanese Red Cross, Hokkaido Red Cross Blood Center, Sapporo, Japan
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Jaime-Pérez JC, Colunga-Pedraza PR, Gómez-Almaguer D. Is the number of blood products transfused associated with lower survival in children with acute lymphoblastic leukemia? Pediatr Blood Cancer 2011; 57:217-23. [PMID: 21671359 DOI: 10.1002/pbc.22957] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2010] [Accepted: 11/10/2010] [Indexed: 11/11/2022]
Abstract
BACKGROUND Blood transfusion during acute lymphoblastic leukemia (ALL) of childhood is scarcely documented. Children with ALL are immunosuppressed by both the disease and its therapy. Transfusion may contribute to the course of ALL through its transfusion-related immunomodulation (TRIM) effect. PROCEDURE Blood transfusion history and response to therapy for 108 children <16 years of age at the time of ALL diagnosis was documented. Clinical files, electronic records, and blood bank registries were scrutinized. Overall survival (OS) and event-free survival (EFS) in relation to blood product type and number of transfusions was determined. Hazard ratios (HR) for death and relapse were estimated through uni- and multivariate Cox regression analysis. RESULTS One hundred eight ALL patients were included. Median age was 6 years (range: 0-15 years). Ninety-seven patients (89.8%) were transfused. Median number of transfused products was seven (range: 0-345). After multivariate analysis, transfusion of >5 packed red blood cells (PRBC) remained a significant predictor for death (P = 0.003) and relapse (P = 0.011). For platelets, maximal significance was observed when >30 platelet concentrates (PC) were transfused (P < 0.001). When both, PRBC and PC were considered, maximal significance for predicting death was observed with transfusion of >30 blood products (P < 0.001). CONCLUSIONS The number of blood products transfused to children with ALL appears to be significantly associated with lower survival rates. This may reflect both the severity of the disease and the TRIM effect, which may decrease immune surveillance capacity and the probability of leukemic clone eradication.
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Affiliation(s)
- José Carlos Jaime-Pérez
- Internal Medicine Division, Department of Hematology, Dr. José Eleuterio González University Hospital, School of Medicine, Universidad Autónoma de Nuevo León, Monterrey, Mexico.
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Grimshaw K, Sahler J, Spinelli SL, Phipps RP, Blumberg N. New frontiers in transfusion biology: identification and significance of mediators of morbidity and mortality in stored red blood cells. Transfusion 2011; 51:874-80. [PMID: 21496049 DOI: 10.1111/j.1537-2995.2011.03095.x] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Red blood cell (RBC) transfusions are associated with inflammation and thrombosis, both arterial and venous, the mechanisms of which are not understood. Although a necessary life-saving procedure in modern medicine, transfusions have rarely been subjected to modern assessments of efficacy and safety, including randomized trials. Storage of RBCs induces changes, including the release of free hemoglobin and the accumulation of biologically active soluble mediators and microparticles. These mediators likely play a direct role in the inflammatory and prothrombotic properties of RBC transfusions. Methods such as leukoreduction, washing of RBCs, and rejuvenation may improve the quality of RBC transfusions.
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Affiliation(s)
- Katie Grimshaw
- Department of Microbiology and Immunology, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA
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Ambruso DR, Thurman G, Tran K, Marschner S, Gathof B, Janetzko K, Goodrich RP. Generation of neutrophil priming activity by cell-containing blood components treated with pathogen reduction technology and stored in platelet additive solutions. Transfusion 2010; 51:1220-7. [PMID: 21155831 DOI: 10.1111/j.1537-2995.2010.02983.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Storage of cell-containing blood components such as platelet concentrates (PCs) and red blood cells (RBCs) results in generation of biologically active compounds, many of which may be associated with adverse transfusion events. Priming of the neutrophil oxidase activity is a common characteristic of many of the biologically active compounds found in stored blood. We evaluated the priming activity of pathogen reduction technology (PRT)-treated PCs stored in plasma or platelet additive solution (PAS) and PRT-treated RBCs. STUDY DESIGN AND METHODS PCs were collected with Trima or Amicus equipment and were PRT treated with the Mirasol PRT system or the Intercept Blood System. Some units were gamma irradiated. Products were stored in 100% plasma or 35% plasma plus PAS. RBCs were washed and PRT treated before storage. Samples were removed throughout storage and priming of the oxidase activity was measured. RESULTS Platelets collected on Trima or Amicus equipment and stored in plasma or PAS demonstrated increasing priming activity during 5 to 7 days of storage. Gamma irradiation, but not PRT treatment with either technology, further enhanced this priming activity. Supernatants of RBCs stored for 42 days induced priming in untreated controls, but not in washed or Mirasol PRT-treated test products. CONCLUSION Production of oxidase priming activity increased during storage in all blood products. No significant differences were associated with the collection method, storage in PAS, or PRT treatment. The generation of biologically active compounds, which may serve as an etiology for adverse events, appears to be independent of these processes for collection, storage, and pathogen reduction.
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Affiliation(s)
- Daniel R Ambruso
- Bonfils Blood Center and the Center for Cancer and Blood Disorders, The Children's Hospital, Denver, Colorado, USA
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