Osteopontin and Transplantation: Where Are We Now?

AbstractOrgan transplantation represents the optimal therapeutic tool for patients with end-stage organ failure. Hematopoietic stem cell transplantation (HSCT) is likewise an effective therapy for a wide range of malignant and non-malignant diseases. Better understanding of transplantation immunology and the use of multi-modal immunosuppression protocols, can decrease the risk of graft failure and graft-versus-host disease (GVHD) after HSCT. Nevertheless, a major challenge of modern transplantology still seems to be finding non-invasive biomarkers for recipients selection, monitoring of allograft function, and diagnosis of rejection. Since proinflammatory cytokine osteopontin (OPN) is closely involved in regulating both adaptive and innate immune responses, as well as the pathogenesis of inflammatory and autoimmune diseases, it is likely to play an important role in organ and HSC transplantation. This review is to summarize recent advances in our knowledge about OPN function in the kidney, heart, liver, lung, and HSC transplantation. Most studies found that elevated OPN is associated with poorer graft function in kidney, heart, liver and lung recipients. Moreover, some reports suggested that this protein can play role in GVHD pathogenesis. However, due to relatively small number of similar studies, as well as some inconclusive results, future investigation in this field is needed to verify if OPN can serve as a biomarker of organ and HSC transplantation. The knowledge about s...
Source: Archivum Immunologiae et Therapiae Experimentalis - Category: Allergy & Immunology Source Type: research

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RARITAN, N.J., November 4, 2021 – The Janssen Pharmaceutical Companies of Johnson &Johnson announced today that more than 45 company-sponsored abstracts, including 11 oral presentations, plus more than 35 investigator-initiated studies will be featured at the American Society of Hematology (ASH) Annual Meeting and Exposition. ASH is taking place at the Georgia World Congress Center in Atlanta and virtually from December 11-14, 2021.“We are committed to advancing the science and treatment of hematologic malignancies and look forward to presenting the latest research from our robust portfolio and pipeline dur...
Source: Johnson and Johnson - Category: Pharmaceuticals Tags: Innovation Source Type: news
CONCLUSIONS: Despite concerns about LN recurrence after renal transplantation, this study shows that this procedure might be a safe alternative therapy for ESRD related to SLE and may provide long-term survival.PMID:34665698
Source: Clinical and Experimental Rheumatology - Category: Rheumatology Authors: Source Type: research
Qiancheng Deng1, Yangyang Luo1,2, Christopher Chang3, Haijing Wu1, Yan Ding4* and Rong Xiao1* 1Hunan Key Laboratory of Medical Epigenetics, Department of Dermatology, The Second Xiangya Hospital, Central South University, Changsha, China 2Department of Dermatology, Hunan Children's Hospital, Changsha, China 3Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, Davis, CA, United States 4Department of Dermatology, Hainan Provincial Dermatology Disease Hospital, Haikou, China Autoimmune diseases are usually complex and multifactorial, characterized by aberrant produc...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
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