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Zeng L, Yang K, Wu Y, Yu G, Yan Y, Hao M, Song T, Li Y, Chen J, Sun L. Telitacicept: A novel horizon in targeting autoimmunity and rheumatic diseases. J Autoimmun 2024; 148:103291. [PMID: 39146891 DOI: 10.1016/j.jaut.2024.103291] [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: 11/20/2023] [Revised: 06/19/2024] [Accepted: 07/15/2024] [Indexed: 08/17/2024]
Abstract
BLyS and APRIL have the capability to bind to B cells within the body, allowing these cells to evade elimination when they should naturally be removed. While BLyS primarily plays a role in B cell development and maturation, APRIL is linked to B cell activation and the secretion of antibodies. Thus, in theory, inhibiting BLyS or APRIL could diminish the population of aberrant B cells that contribute to SLE and reduce disease activity in patients. Telitacicept functions by binding to and neutralizing the activities of both BLyS and APRIL, thus hindering the maturation and survival of plasma cells and fully developed B cells. The design of telitacicept is distinctive; it is not a monoclonal antibody but a TACI-Fc fusion protein generated through recombinant DNA technology. This fusion involves merging gene segments of the TACI protein, which can target BLyS/APRIL simultaneously, with the Fc gene segment of the human IgG protein. The TACI-Fc fusion protein exhibits the combined characteristics of both proteins. Currently utilized for autoimmune disease treatment, telitacicept is undergoing clinical investigations globally to assess its efficacy in managing various autoimmune conditions. This review consolidates information on the mechanistic actions, dosing regimens, pharmacokinetics, efficacy, and safety profile of telitacicept-a dual-targeted biological agent. It integrates findings from prior experiments and pharmacokinetic analyses in the treatment of RA and SLE, striving to offer a comprehensive overview of telitacicept's research advancements.
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Affiliation(s)
- Liuting Zeng
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Graduate School of Peking Union Medical College, Nanjing, China.
| | - Kailin Yang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, China; Psychosomatic laboratory, Department of Psychiatry, Daqing Hospital of Traditional Chinese Medicine, Daqing, China.
| | - Yang Wu
- Department of Rheumatology, National Clinical Research Center for Dermatologic and Immunologic Diseases, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Ganpeng Yu
- People's Hospital of Ningxiang City, Ningxiang, China
| | - Yexing Yan
- Psychosomatic laboratory, Department of Psychiatry, Daqing Hospital of Traditional Chinese Medicine, Daqing, China
| | - Moujia Hao
- Psychosomatic laboratory, Department of Psychiatry, Daqing Hospital of Traditional Chinese Medicine, Daqing, China
| | - Tian Song
- Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Yuwei Li
- School of Mathematics and Computational Science, Hunan University of Science and Technology, Hunan, China
| | - Junpeng Chen
- Department of Physiology, School of Medicine, University of Louisville, Kentucky, USA; Psychosomatic laboratory, Department of Psychiatry, Daqing Hospital of Traditional Chinese Medicine, Daqing, China; Tong Jiecheng Studio, Hunan University of Science and Technology, Xiangtan, China.
| | - Lingyun Sun
- Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Graduate School of Peking Union Medical College, Nanjing, China; Department of Rheumatology and Immunology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.
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Fan Q, Yang H, Liu Y. Safety and efficacy of telitacicept in refractory systemic lupus erythematosus patients who failed treatment with belimumab : A case series. Z Rheumatol 2024; 83:387-392. [PMID: 38157053 PMCID: PMC11147914 DOI: 10.1007/s00393-023-01461-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/14/2023] [Indexed: 01/03/2024]
Abstract
OBJECTIVE This study aimed to determine the effect and safety of telitacicept, an antagonist of BLyS/APRIL-mediated B cell activation, in patients with systemic lupus erythematosus (SLE) who failed treatment with belimumab and in whom telitacicept was administered combined with conventional therapy. A review of published reports on telitacicept for SLE was also performed. METHODS A retrospective review was performed of the records of patients seen in the Department of Rheumatology at the Wuhan Hospital of Chinese and Western Medicine, Wuhan, China, with refractory SLE who had failed treatment with belimumab. The terms "systemic lupus erythematosus" and "telitacicept" were used to identify patients reported in the English medical literature. RESULTS Identified were 14 refractory SLE patients, 3 males (21%) and 11 females (79%). The median age was 32.9 years. The median disease duration was 8.9 years. Patients in this cohort received telitacicept for an average of 34.1 weeks (17-62 weeks) and the total SLE responder index 4 (SRI-4) response rate was 78.9% (n = 11). The mean SLE Disease Activity Index (SLEDAI) score declined from 8.6 at baseline (95% confidence interval [CI] 7.87-9.28) to 4.29 at the endpoint (95% CI 3.4-5.16). All cases (100%) had hypocomplementemia at baseline, and 7 cases (50%) reported normal C3 and C4 levels at the follow-up endpoint. At the observation endpoint, the 24‑h urinary protein value of the 13 cases with proteinuria (baseline 24‑h urinary protein > 0.5 g/d) displayed a reduction, and 3 values turned negative. Although some patients had low serum total immunoglobulin (Ig) levels, subnormal IgG levels, and absolute counts of peripheral blood lymphocytes after treatment, no serious infection was reported. One case was refractory lupus hepatitis confirmed by liver pathology, and upon change to change to telitacicept treatment, liver function returned to normal. CONCLUSION This is the first case series in SLE patients who accepted telitacicept treatment after failed treatment with belimumab. Our case series and review of the literature show that telitacicept combined with the original standard treatment may significantly improve disease activity while reducing prednisone use. No major safety issues were seen in this group of patients. Telitacicept may be a promising drug for the treatment of refractory lupus hepatitis.
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Affiliation(s)
- Qiuyu Fan
- Department of Rheumatology, No.1 Hospital of Wuhan, No. 215, Zhongshan Avenue, Wuhan, Hubei Province, China.
| | - Huiqin Yang
- Department of Rheumatology, No.1 Hospital of Wuhan, No. 215, Zhongshan Avenue, Wuhan, Hubei Province, China
| | - Ya Liu
- Department of Rheumatology, No.1 Hospital of Wuhan, No. 215, Zhongshan Avenue, Wuhan, Hubei Province, China
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Wu Q, Zhao MX, Huang XS, Lin CS, Xu Q. The use of belimumab on patients with both systemic lupus erythematosus and immune thrombocytopenia: A retrospective cohort study. Lupus 2024; 33:608-614. [PMID: 38518059 DOI: 10.1177/09612033241241576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/24/2024]
Abstract
OBJECTIVE The objective of this study is to provide a description of a group of retrospective cohort outcomes in patients with systemic lupus erythematosus (SLE) complicated with immune thrombocytopenia (ITP) receiving belimumab. METHODS This study reports on the treatment of 10 female patients (mean age 34.3 ± 14.0 years, mean weight 58.7 ± 18.2 kg) with both SLE and ITP who received belimumab in addition to basic drug therapy. The belimumab treatment regimen consisted of a dosage of 10 mg/kg, with an initial infusion every 2 weeks for the first 3 doses, followed by an infusion every 4 weeks. RESULTS Ten patients were included in the study. The overall response rate of thrombocytopenia was 90% after treatment. The parameters such as platelet count, lymphocyte count, erythrocyte count, hemoglobin, dsDNA, C3, and C4 were significantly improved (p < .05). The SLE Disease Activity Index (SLEDAI), British Islet lupus Assessment Group 2004 (BILAG-2004), and Physician Global assessment (PGA) scores were significantly decreased (p < .05). There were no significant differences in glutamic pyruvic transaminase (ALT), glutamic oxaloacetic transaminase (AST), and serum creatinine (Scr) before and after treatment (p > .05). CONCLUSION Belimumab shows promising clinical outcomes in the treatment on patients with both SLE and ITP. Further studies are needed to validate these findings in larger patient populations and compare the efficacy of belimumab with other treatments for SLE complicated with ITP. Long-term response rates and adverse events associated with belimumab treatment also warrant further investigation.
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Affiliation(s)
- Qi Wu
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Department of Rheumatology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ming-Xue Zhao
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Department of Rheumatology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- The Third Hospital of Mianyang (Sichuan Mental Health Center), Mianyang, China
| | - Xiao-Shan Huang
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Department of Rheumatology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Chang-Song Lin
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Department of Rheumatology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qiang Xu
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Department of Rheumatology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, China
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Yeo AL, Kandane-Rathnayake R, Koelmeyer R, Golder V, Louthrenoo W, Chen YH, Cho J, Lateef A, Hamijoyo L, Luo SF, Wu YJJ, Navarra SV, Zamora L, Li Z, An Y, Sockalingam S, Katsumata Y, Harigai M, Hao Y, Zhang Z, Basnayake BMDB, Chan M, Kikuchi J, Takeuchi T, Bae SC, Oon S, O'Neill S, Goldblatt F, Ng KPL, Law A, Tugnet N, Kumar S, Tee C, Tee M, Ohkubo N, Tanaka Y, Lau CS, Nikpour M, Hoi A, Leech M, Morand EF. SMART-SLE: serology monitoring and repeat testing in systemic lupus erythematosus-an analysis of anti-double-stranded DNA monitoring. Rheumatology (Oxford) 2024; 63:525-533. [PMID: 37208196 PMCID: PMC10836977 DOI: 10.1093/rheumatology/kead231] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 04/18/2023] [Accepted: 05/09/2023] [Indexed: 05/21/2023] Open
Abstract
OBJECTIVE Disease activity monitoring in SLE includes serial measurement of anti-double stranded-DNA (dsDNA) antibodies, but in patients who are persistently anti-dsDNA positive, the utility of repeated measurement is unclear. We investigated the usefulness of serial anti-dsDNA testing in predicting flare in SLE patients who are persistently anti-dsDNA positive. METHODS Data were analysed from patients in a multinational longitudinal cohort with known anti-dsDNA results from 2013 to 2021. Patients were categorized based on their anti-dsDNA results as persistently negative, fluctuating or persistently positive. Cox regression models were used to examine longitudinal associations of anti-dsDNA results with flare. RESULTS Data from 37 582 visits of 3484 patients were analysed. Of the patients 1029 (29.5%) had persistently positive anti-dsDNA and 1195 (34.3%) had fluctuating results. Anti-dsDNA expressed as a ratio to the normal cut-off was associated with the risk of subsequent flare, including in the persistently positive cohort (adjusted hazard ratio [HR] 1.56; 95% CI: 1.30, 1.87; P < 0.001) and fluctuating cohort (adjusted HR 1.46; 95% CI: 1.28, 1.66), both for a ratio >3. Both increases and decreases in anti-dsDNA more than 2-fold compared with the previous visit were associated with increased risk of flare in the fluctuating cohort (adjusted HR 1.33; 95% CI: 1.08, 1.65; P = 0.008) and the persistently positive cohort (adjusted HR 1.36; 95% CI: 1.08, 1.71; P = 0.009). CONCLUSION Absolute value and change in anti-dsDNA titres predict flares, including in persistently anti-dsDNA positive patients. This indicates that repeat monitoring of dsDNA has value in routine testing.
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Affiliation(s)
- Ai Li Yeo
- School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing & Health Sciences, Monash University, Clayton, Victoria, Australia
| | - Rangi Kandane-Rathnayake
- School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing & Health Sciences, Monash University, Clayton, Victoria, Australia
| | - Rachel Koelmeyer
- School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing & Health Sciences, Monash University, Clayton, Victoria, Australia
| | - Vera Golder
- School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing & Health Sciences, Monash University, Clayton, Victoria, Australia
| | - Worawit Louthrenoo
- Department of Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Yi-Hsing Chen
- Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Jiacai Cho
- Rheumatology Divsion, National University Hospital, Singapore
| | - Aisha Lateef
- Rheumatology Divsion, National University Hospital, Singapore
| | - Laniyati Hamijoyo
- Department of Medicine, University of Padjadjaran, Bandung, Indonesia
| | - Shue-Fen Luo
- Department of Rheumatology, Chang Gung Memorial Hospital, Guishan Township, Taiwan
| | - Yeong-Jian J Wu
- Department of Rheumatology, Chang Gung Memorial Hospital, Guishan Township, Taiwan
| | - Sandra V Navarra
- Joint and Bone Center, University of Santo Tomas Hospital, Manila, Philippines
| | - Leonid Zamora
- Joint and Bone Center, University of Santo Tomas Hospital, Manila, Philippines
| | - Zhanguo Li
- Department of Rheumatology and Immunology, People's Hospital Peking University Health Sciences Centre, Beijing, China
| | - Yuan An
- Department of Rheumatology and Immunology, People's Hospital Peking University Health Sciences Centre, Beijing, China
| | | | - Yasuhiro Katsumata
- Institute of Rheumatology, Tokyo Women's Medical University, Tokyo, Japan
| | - Masayoshi Harigai
- Institute of Rheumatology, Tokyo Women's Medical University, Tokyo, Japan
| | - Yanjie Hao
- Rheumatology and Immunology Department, Peking University First Hospital, Beijing, China
| | - Zhuoli Zhang
- Rheumatology and Immunology Department, Peking University First Hospital, Beijing, China
| | | | - Madelynn Chan
- Department of Rheumatology, Allergy and Immunology Tan Tock Seng Hospital, Singapore
| | - Jun Kikuchi
- Division of Rheumatology, Department of Internal Medicine, Keio University, Tokyo, Japan
| | - Tsutomu Takeuchi
- Division of Rheumatology, Department of Internal Medicine, Keio University, Tokyo, Japan
| | - Sang-Cheol Bae
- Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases and Hanyang University Institute for Rheumatology Research and Hanyang University Institute of Bioscience and Biotechnology, Seoul, South Korea
| | - Shereen Oon
- Department of Medicine, The University of Melbourne at St Vincent's Hospital, Fitzroy, Victoria, Australia
| | - Sean O'Neill
- Rheumatology Department, Level 1 Liverpool Hospital, Liverpool, NSW, Australia
| | - Fiona Goldblatt
- Rheumatology Unit, Royal Adelaide Hospital and Flinders Medical Centre, Adelaide, South Australia, Australia
| | | | - Annie Law
- Singapore General Hospital, Singapore
| | - Nicola Tugnet
- Department of Rheumatology, Auckland District Health Board, Auckland, New Zealand
| | - Sunil Kumar
- Department of Rheumatology, Middlemore Hospital, Auckland, New Zealand
| | - Cherica Tee
- University of the Philippines, Quezon City, Philippines
| | - Michael Tee
- University of the Philippines, Quezon City, Philippines
| | - Naoaki Ohkubo
- The First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Yoshiya Tanaka
- The First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Chak Sing Lau
- Division of Rheumatology and Clinical Immunology, University of Hong Kong, Hong Kong, Hong Kong, China
| | - Mandana Nikpour
- Department of Medicine, The University of Melbourne at St Vincent's Hospital, Fitzroy, Victoria, Australia
| | - Alberta Hoi
- School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing & Health Sciences, Monash University, Clayton, Victoria, Australia
| | - Michelle Leech
- School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing & Health Sciences, Monash University, Clayton, Victoria, Australia
| | - Eric F Morand
- School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing & Health Sciences, Monash University, Clayton, Victoria, Australia
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Pandey SP, Bhaskar R, Han SS, Narayanan KB. Autoimmune Responses and Therapeutic Interventions for Systemic Lupus Erythematosus: A Comprehensive Review. Endocr Metab Immune Disord Drug Targets 2024; 24:499-518. [PMID: 37718519 DOI: 10.2174/1871530323666230915112642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 06/05/2023] [Accepted: 07/22/2023] [Indexed: 09/19/2023]
Abstract
Systemic Lupus Erythematosus (SLE) or Lupus is a multifactorial autoimmune disease of multiorgan malfunctioning of extremely heterogeneous and unclear etiology that affects multiple organs and physiological systems. Some racial groups and women of childbearing age are more susceptible to SLE pathogenesis. Impressive progress has been made towards a better understanding of different immune components contributing to SLE pathogenesis. Recent investigations have uncovered the detailed mechanisms of inflammatory responses and organ damage. Various environmental factors, pathogens, and toxicants, including ultraviolet light, drugs, viral pathogens, gut microbiome metabolites, and sex hormones trigger the onset of SLE pathogenesis in genetically susceptible individuals and result in the disruption of immune homeostasis of cytokines, macrophages, T cells, and B cells. Diagnosis and clinical investigations of SLE remain challenging due to its clinical heterogeneity and hitherto only a few approved antimalarials, glucocorticoids, immunosuppressants, and some nonsteroidal anti-inflammatory drugs (NSAIDs) are available for treatment. However, the adverse effects of renal and neuropsychiatric lupus and late diagnosis make therapy challenging. Additionally, SLE is also linked to an increased risk of cardiovascular diseases due to inflammatory responses and the risk of infection from immunosuppressive treatment. Due to the diversity of symptoms and treatment-resistant diseases, SLE management remains a challenging issue. Nevertheless, the use of next-generation therapeutics with stem cell and gene therapy may bring better outcomes to SLE treatment in the future. This review highlights the autoimmune responses as well as potential therapeutic interventions for SLE particularly focusing on the recent therapeutic advancements and challenges.
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Affiliation(s)
- Surya Prakash Pandey
- Aarogya Institute of Healthcare and Research, Jaipur, Rajasthan, 302033, India
- Department of Zoology, School of Science, IFTM University, Moradabad, Uttar Pradesh, 244102, India
| | - Rakesh Bhaskar
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, South Korea
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, South Korea
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, South Korea
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, South Korea
| | - Kannan Badri Narayanan
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, South Korea
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, South Korea
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Jatta N, Stanslas J, Yong ACH, Ho WC, Wan Ahmad Kammal WSL, Chua EW, How KN. Whole blood hydroxychloroquine: Does genetic polymorphism of cytochrome P450 enzymes have a role? Clin Exp Med 2023; 23:4141-4152. [PMID: 37480404 DOI: 10.1007/s10238-023-01142-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 07/12/2023] [Indexed: 07/24/2023]
Abstract
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease with a wide range of clinical manifestations and multifactorial etiologies ranging from environmental to genetic. SLE is associated with dysregulated immunological reactions, with increased immune complex formation leading to end-organ damages such as lupus nephritis, cutaneous lupus, and musculoskeletal disorders. Lupus treatment aims to reduce disease activity, prevent organ damage, and improve long-term patient survival and quality of life. Antimalarial, hydroxychloroquine (HCQ) is used as a first-line systemic treatment for lupus. It has shown profound efficacy in lupus and its associated conditions. However, wide variation in terms of clinical response to this drug has been observed among this group of patients. This variability has limited the potential of HCQ to achieve absolute clinical benefits. Several factors, including genetic polymorphisms of cytochrome P450 enzymes, have been stipulated as key entities leading to this inter-individual variation. Thus, there is a need for more studies to understand the role of genetic polymorphisms in CYP450 enzymes in the clinical response to HCQ. Focusing on the role of genetic polymorphism on whole blood HCQ in lupus disorder, this review aims to highlight up-to-date pathophysiology of SLE, the mechanism of action of HCQ, and finally the role of genetic polymorphism of CYP450 enzymes on whole blood HCQ level as well as clinical response in lupus.
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Affiliation(s)
- Njundu Jatta
- Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Johnson Stanslas
- Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Audrey Chee Hui Yong
- School of Pharmacy, MAHSA University, Bandar Saujana Putra, Jenjarom, Selangor, Malaysia
| | - Wen Chung Ho
- Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
- Dermatology Unit, Hospital Sultan Abdul Aziz Shah, Universiti Putra Malaysia, Serdang, Malaysia
| | - Wan Syazween Lyana Wan Ahmad Kammal
- Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
- Dermatology Unit, Hospital Sultan Abdul Aziz Shah, Universiti Putra Malaysia, Serdang, Malaysia
| | - Eng Wee Chua
- Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur, Malaysia
| | - Kang Nien How
- Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
- Dermatology Unit, Hospital Sultan Abdul Aziz Shah, Universiti Putra Malaysia, Serdang, Malaysia.
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Malaweera A, Dayan S, Pellicano R, Hoi A, Kitching AR, Kent JR. The use of belimumab in three cases of refractory lupus nephritis. Intern Med J 2023; 53:1901-1906. [PMID: 37859540 DOI: 10.1111/imj.16242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 07/18/2023] [Indexed: 10/21/2023]
Abstract
In recent trials for the treatment of systemic lupus erythematosus (SLE), belimumab (BLM), in addition to standard immunosuppression, has been shown to improve renal and nonrenal outcomes. We report our experience using BLM in three cases of refractory lupus nephritis (LN), where renal remission was not achieved using cyclophosphamide, mycophenolate mofetil and other immunosuppressive medications. In two of the three cases, BLM therapy led to a partial remission of LN, improvement in serological markers of SLE and disease activity, which permitted a reduction in prednisolone dosing. Treatment with efficacious therapies early in the course of LN is a desirable therapeutic strategy, to achieve early remission of proteinuria and curtail the development of irreversible chronic renal damage. Further studies are needed to provide information on the effectiveness of BLM for maintenance of remission, prevention of flares and monitoring for long-term complications of B-cell modulation.
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Affiliation(s)
- Aruni Malaweera
- Department of Nephrology, Monash Health, Melbourne, Victoria, Australia
| | - Sukhpal Dayan
- Department of Pathology, Monash Health, Melbourne, Victoria, Australia
| | - Rebecca Pellicano
- Department of Nephrology, Monash Health, Melbourne, Victoria, Australia
| | - Alberta Hoi
- Department of Rheumatology, Monash Health, Melbourne, Victoria, Australia
| | - A Richard Kitching
- Department of Nephrology, Monash Health, Melbourne, Victoria, Australia
- Department of Medicine, Centre for Inflammatory Diseases, Monash University, Melbourne, Victoria, Australia
| | - Joanna R Kent
- Department of Nephrology, Monash Health, Melbourne, Victoria, Australia
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Rezazadeh M, Jokar MH, Mehrnaz Aghili S, Mirfeizi Z, Mahmoudi M, Morovatdar N, Hashemzadeh K. Association between levels of serum and urinary B cell-activating factor and systemic lupus erythematosus disease activity. Arch Rheumatol 2023; 38:429-440. [PMID: 38046245 PMCID: PMC10689013 DOI: 10.46497/archrheumatol.2023.9549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 09/15/2022] [Indexed: 12/05/2023] Open
Abstract
Objectives This study investigated the correlation between serum and urinary B cell-activating factor (BAFF) levels and systemic lupus erythematosus (SLE) disease activity. Patients and methods This case-control study was conducted with 87 participants between December 2020 and September 2021. Sixty-two SLE patients who fulfilled the eligibility criteria were enrolled. SLE patients were categorized into active (n=34) and inactive (n=28) groups based on their Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K) scores. The control group consisted of 25 healthy subjects. Serum and urine samples were collected for the measurement of BAFF levels. Finally, the relationship between these variables and SLE disease activity was investigated. Results The mean age of active (SLEDAI-2K >4) and inactive (SLEDAI-2K ≤4) SLE patients and healthy individuals were 32.8±7.8, 32.5±6.8, and 31.7±7.8 years, respectively (p=0.62). The median serum BAFF (s-BAFF) and urinary BAFF (u-BAFF) in active lupus patients (10.4 [2.3] ng/mL and 8.2 [3.7] ng/mL, respectively) were significantly higher than in inactive lupus patients (6 (7.1) ng/mL and 1.7 (4.7) ng/mL, respectively; p<0.001) and the control group (3 (3.7) ng/mL and 1.6 (2.2) ng/mL, respectively; p<0.001). However, s-BAFF (p=0.07) and u-BAFF (p=0.43) did not significantly differ between the inactive group and the control group. A significant positive correlation was observed between s-BAFF (r=0.41 and p=0.001) and u-BAFF (r=0.78 and p<0.001) levels and the SLEDAI-2K score. Conclusion There is a significant positive correlation between serum and urinary BAFF levels and SLE disease activity. Furthermore, significantly higher levels of s-BAFF and u-BAFF have been observed in patients with active lupus compared to inactive and healthy subjects, indicating a possible role for BAFF in the pathogenesis of SLE disease activity.
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Affiliation(s)
- Maryam Rezazadeh
- Mashhad University of Medical Sciences, Rheumatic Diseases Research Center, Mashhad, Iran
| | - Mohammad Hasan Jokar
- Mashhad University of Medical Sciences, Rheumatic Diseases Research Center, Mashhad, Iran
| | - Seyedeh Mehrnaz Aghili
- Division of Rheumatology, Allergy and Immunology, Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Zahra Mirfeizi
- Mashhad University of Medical Sciences, Rheumatic Diseases Research Center, Mashhad, Iran
| | - Mahmoud Mahmoudi
- Mashhad University of Medical Sciences, Bu-Ali Research Institute, Mashhad, Iran
| | - Negar Morovatdar
- Mashhad University of Medical Sciences, Clinical Research Unit, Mashhad, Iran
| | - Kamila Hashemzadeh
- Mashhad University of Medical Sciences, Rheumatic Diseases Research Center, Mashhad, Iran
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Han Y, Liu L, Zang B, Liang R, Zhao X, Liu B. Advances in natural products and antibody drugs for SLE: new therapeutic ideas. Front Pharmacol 2023; 14:1235440. [PMID: 37492083 PMCID: PMC10363611 DOI: 10.3389/fphar.2023.1235440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 07/03/2023] [Indexed: 07/27/2023] Open
Abstract
Systemic Lupus Erythematosus (SLE) is a chronic autoimmune systemic disease with a wide range of clinical symptoms, complex development processes, and uncertain prognosis. The clinical treatment of SLE is mainly based on hormones and immunosuppressants. Research on novel therapy strategies for SLE has flourished in recent years, especially the emergence of new targeted drugs and natural products that can modulate related symptoms. This review discusses the current experience including B-cell targeted drugs (belimumab, tabalumab, blisibimod, atacicept, rituximab, ofatumumab, ocrelizumab, obexelimab, and epratuzumab), T-cell targeted drugs (abatacept, dapirolizumab, and inhibitor of syk and CaMKIV), cytokines targeted drugs (anifrolumab and sifalimumab), and natural products (curcumin, oleuropein, punicalagin, sulforaphane, icariin, apigenin, and resveratrol). The aim of this paper is to combine the existing in vitro and in vivo models and clinical research results to summarize the efficacy and mechanism of natural drugs and targeted drugs in SLE for the reference and consideration of researchers.
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Affiliation(s)
| | | | | | | | | | - Bin Liu
- Department of Rheumatology, The Affiliated Hospital of Qingdao University, Shandong, China
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10
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Park J, Wu Y, Li Q, Choi J, Ju H, Cai Y, Lee J, Oh YK. Nanomaterials for antigen-specific immune tolerance therapy. Drug Deliv Transl Res 2023; 13:1859-1881. [PMID: 36094655 DOI: 10.1007/s13346-022-01233-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/25/2022] [Indexed: 11/26/2022]
Abstract
Impairment of immune tolerance might cause autologous tissue damage or overactive immune response against non-pathogenic molecules. Although autoimmune disease and allergy have complicated pathologies, the current strategies have mainly focused on symptom amelioration or systemic immunosuppression which can lead to fatal adverse events. The induction of antigen-specific immune tolerance may provide therapeutic benefits to autoimmune disease and allergic response, while reducing nonspecific immune adverse responses. Diverse nanomaterials have been studied to induce antigen-specific immune tolerance therapy. This review will cover the immunological background of antigen-specific tolerance, clinical importance of antigen-specific immune tolerance, and nanomaterials designed for autoimmune and allergic diseases. As nanomaterials for modulating immune tolerances, lipid-based nanoparticles, polymeric nanoparticles, and biological carriers have been covered. Strategies to provide antigen-specific immune tolerance have been addressed. Finally, current challenges and perspectives of nanomaterials for antigen-specific immune tolerance therapy will be discussed.
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Affiliation(s)
- Jinwon Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Yina Wu
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Qiaoyun Li
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jaehyun Choi
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hyemin Ju
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Yu Cai
- College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Jaiwoo Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Yu-Kyoung Oh
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
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11
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Zhang K, Qi T, Guo D, Liu Y. Efficacy and safety of belimumab therapy for patients with lupus nephritis: A meta-analysis and a propensity score-matched case-control study. Immun Inflamm Dis 2023; 11:e954. [PMID: 37506137 PMCID: PMC10373564 DOI: 10.1002/iid3.954] [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: 03/20/2023] [Revised: 07/04/2023] [Accepted: 07/08/2023] [Indexed: 07/30/2023] Open
Abstract
OBJECTIVE In this study, we performed a meta-analysis and a propensity score-matched case-control study to evaluate the efficacy and safety of belimumab in patients with lupus nephritis (LN). METHODS We analyzed the data from three randomized controlled trials (RCTs) to assess the effects of belimumab treatment on renal improvement and adverse effects. Our study included a total of six LN patients who received belimumab treatment and an additional six LN patients who received standard therapy. All participants were followed up for a duration exceeding 96 weeks to evaluate the outcomes of the treatments. RESULTS Our meta-analysis incorporated data from three articles involving a total of 666 patients. The results of the analysis revealed that a higher proportion of patients who received belimumab treatment experienced renal improvement compared to those in the control group. The patients in belimumab group had a higher renal complete response rate and proteinuria improvement rate compared to the control group. However, belimumab treatment did not increase the renal partial response rate compared to the control group. The belimumab group also exhibited a higher proportion of patients who achieved normalization of antidouble-stranded DNA, as well as normalization of low C3 and C4 levels. In our case-control study, significant improvement in proteinuria was demonstrated with belimumab at Week 48 (p = 0.037) and at all subsequent time points (all p < 0.05). Over the course of 96 weeks, belimumab treatment was associated with renal function stabilization and an increase in C3 and C4 levels. Moreover, the use of belimumab resulted in a reduction in glucocorticoid dosage at Week 24 (p = 0.02). Additionally, patients receiving belimumab treatment had a lower risk of severe treatment-emergent adverse events, and no other significant adverse effects were observed between the two groups. CONCLUSIONS In patients with LN, the utilization of belimumab therapy has demonstrated notable improvements in renal response rates. Additionally, it has shown a decreased likelihood of serious treatment-related adverse events and a diminished need for glucocorticoid dosage when compared to the active control group.
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Affiliation(s)
- Kai Zhang
- Department of Nephrology, Tianjin Medical University General Hospital, Tianjin, People's Republic of China
| | - Tiening Qi
- Department of Operating Room, Tianjin Medical University General Hospital, Tianjin, People's Republic of China
| | - Donghua Guo
- Department of Nephrology, Tianjin Medical University General Hospital Airport Hospital, Tianjin, People's Republic of China
| | - Youxia Liu
- Department of Nephrology, Tianjin Medical University General Hospital, Tianjin, People's Republic of China
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12
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Abid N, Manaye S, Naushad H, Cheran K, Murthy C, Bornemann EA, Kamma HK, Alabbas M, Elashahab M. The Safety and Efficacy of Rituximab and Belimumab in Systemic Lupus Erythematosus: A Systematic Review. Cureus 2023; 15:e40719. [PMID: 37485087 PMCID: PMC10360028 DOI: 10.7759/cureus.40719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/21/2023] [Indexed: 07/25/2023] Open
Abstract
There is a vital role of B cells in the pathogenesis of Systemic Lupus Erythematosus (SLE). Belimumab (Bel), an inhibitor of B cell activating factor (BAFF), and Rituximab (RTX), a monoclonal antibody targeting Cd20 antigen, have been used to manage systemic lupus. Several randomized controlled trials (RCTs) have evaluated these two agents' clinical efficacy and safety in different manifestations of SLE. This study aims to review the randomized control trials involving these two agents systematically and to explain if any disparity is noticed in the primary and secondary outcomes between these two agents. This study is done according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. After applying the inclusion criteria and quality assessment by independent reviewers and co-authors, relevant papers were identified, and data were extracted. The results have shown that RCTs involving Belimumab achieved primary endpoints; however, targeted endpoints were not achieved in studies involving Rituximab. It is concluded that despite the conflicting results obtained in clinical trials, both are effective in systemic lupus, as indicated in real-world clinical experience. However, better-designed multicenter studies evaluating these B-cell-targeting drugs are needed.
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Affiliation(s)
- Naushad Abid
- Internal Medicine, King Faisal University College of Medicine, Al-Ahsa, SAU
- Internal Medicine / Rheumatology, King Faisal University, Al-Ahsa, SAU
| | - Sara Manaye
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Hamzah Naushad
- Medicine and Surgery, Dow International Medical College, Dow University of Health Sciences, Karachi, PAK
| | - Kaaviya Cheran
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Chinmayee Murthy
- Internal Medicine, Bidar Institute of Medical Sciences, Bidar, IND
| | - Elisa A Bornemann
- Medicine and Surgery, Universidad Latina de Panama, Panama City, PAN
| | - Hari Krishna Kamma
- Psychiatry, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Mohammad Alabbas
- Internal Medicine, Faculty of Medicine, University of Debrecen, Debrecen, HUN
| | - Mohammed Elashahab
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
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13
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Andreescu M. Risk of Infections Secondary to the Use of Targeted Therapies in Hematological Malignancies. Life (Basel) 2023; 13:1272. [PMID: 37374055 DOI: 10.3390/life13061272] [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: 04/26/2023] [Revised: 05/24/2023] [Accepted: 05/27/2023] [Indexed: 06/29/2023] Open
Abstract
Concurrent infections in hematological malignancies (HM) are major contributors to adverse clinical outcomes, including prolonged hospitalization and reduced life expectancy. Individuals diagnosed with HM are particularly susceptible to infectious pathogens due to immunosuppression, which can either be inherent to the hematological disorder or induced by specific therapeutic strategies. Over the years, the treatment paradigm for HM has witnessed a tremendous shift, from broad-spectrum treatment approaches to more specific targeted therapies. At present, the therapeutic landscape of HM is constantly evolving due to the advent of novel targeted therapies and the enhanced utilization of these agents for treatment purposes. By initiating unique molecular pathways, these agents hinder the proliferation of malignant cells, consequently affecting innate and adaptive immunity, which increases the risk of infectious complications. Due to the complexity of novel targeted therapies and their associated risks of infection, it often becomes a daunting task for physicians to maintain updated knowledge in their clinical practice. The situation is further aggravated by the fact that most of the initial clinical trials on targeted therapies provide inadequate information to determine the associated risk of infection. In such a scenario, a cumulative body of evidence is paramount in guiding clinicians regarding the infectious complications that can arise following targeted therapies. In this review, I summarize the recent knowledge on infectious complications arising in the context of targeted therapies for HM.
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Affiliation(s)
- Mihaela Andreescu
- Department of Clinical Sciences, Hematology, Faculty of Medicine, Titu Maiorescu University of Bucharest, 040051 Bucharest, Romania
- Department of Hematology, Colentina Clinical Hospital, 020125 Bucharest, Romania
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14
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Kostik M, Kalashnikova E, Rinat R, Isupova E, Gaidar E, Soloviev AA, Masalova V, Snegireva L, Kornishina T, Abramova N, Suspitsin E, Sorokina L, Kaneva M, Dubko MF, Lubimova N, Kuchuinskaya E, Kalashnikova O, Chasnyk V. Rituximab Biosimilar BCD020 Shows Superior Efficacy above Conventional Non-Biologics Treatment in Pediatric Lupus Nephritis: The Data of Retrospective Cohort Study. Biomedicines 2023; 11:biomedicines11051503. [PMID: 37239173 DOI: 10.3390/biomedicines11051503] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/14/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
BACKGROUND Pediatric lupus nephritis (LN) is one of the most serious manifestations of systemic lupus erythematosus (SLE) in children, determining the outcomes of the disease. There are no standardized treatment protocols for pediatric LN, and the role of biologics has not yet been conclusively defined. OBJECTIVES analyze the safety and efficacy of rituximab biosimilar BCD020 in pediatric patients with lupus nephritis. METHODS in a retrospective cohort study, the data from the case histories of 25 patients with LN (10 boys and 15 girls) with an onset age of 13 (9-16) years, who failed conventional non-biologic treatment or developed corticosteroid dependence/toxicity, were included. The diagnosis was made using Systemic Lupus International Collaborating Clinics (SLICC) classification criteria. Rituximab biosimilar BCD020 was prescribed in a dosage of 375 mg/m2 every week (2-4 infusions) with repeated courses every 6-12 months (2-4 infusions) according to disease activity, B-cell depletion, and IgG levels. The dynamics of clinical and laboratory data, the activity of the disease by SLEDAI, and corticosteroid doses were assessed at the onset and during the rituximab trial. RESULTS The main patient's characteristics were: Pre-rituximab non-biologic conventional treatment included: cyclophosphamide 15 (60%), MMF 8 (32%), azathioprine 3 (12%), hydroxychloroquine 12 (48%), and pulse therapy of methylprednisolone followed by oral methylprednisolone 25 (100%). The time before rituximab was 7.0 (3.0-24.0) months, and the whole observation period was 7.0 (0; 24) months. The initial pre-rituximab treatment slightly reduced SLEDAI levels and the proportion of patients with LN. A significant reduction of SLEDAI, the anti-dsDNA level, proteinuria, hematuria, C4 complement, ESR, and the median corticosteroid dose by 80% from the initial value, as well as the proportion of patients without corticosteroids, was observed after rituximab administration. Two deaths were observed due to catastrophic SLE with macrophage activation syndrome, accompanied by a severe infection (invasive aspergillosis, n = 2). Three patients developed serious adverse events: pneumonia (n = 2), transient agranulocytosis (n = 1) after the third rituximab infusion, and meningitis, caused by Listeria monocytosis, after the first rituximab infusion. Eight patients received antibacterial treatment for different respiratory infections without hospital admissions. CONCLUSIONS Rituximab biosimilar BCD020 showed effectiveness in LN, whereas previous non-biologic treatment was insufficiently effective. Randomized controlled trials are required to evaluate the efficacy and safety of rituximab and evaluate the benefits when compared with conventional SLE treatment.
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Affiliation(s)
- Mikhail Kostik
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
- Almazov National Medical Research Centre, 197341 Saint Petersburg, Russia
| | - Elvira Kalashnikova
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Raupov Rinat
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Eugenia Isupova
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Ekaterina Gaidar
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Anton A Soloviev
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Vera Masalova
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Ludmila Snegireva
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Tatyana Kornishina
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Natalia Abramova
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Evgeny Suspitsin
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
- N.N. Petrov National Research Center of Oncology, 197758 Saint Petersburg, Russia
| | - Lubov Sorokina
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Maria Kaneva
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Margarita F Dubko
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Natalia Lubimova
- Almazov National Medical Research Centre, 197341 Saint Petersburg, Russia
| | | | - Olga Kalashnikova
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
| | - Vyacheslav Chasnyk
- Hospital Pediatry, Saint-Petersburg State Pediatric Medical University, 194100 Saint Petersburg, Russia
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15
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Niebel D, de Vos L, Fetter T, Brägelmann C, Wenzel J. Cutaneous Lupus Erythematosus: An Update on Pathogenesis and Future Therapeutic Directions. Am J Clin Dermatol 2023:10.1007/s40257-023-00774-8. [PMID: 37140884 PMCID: PMC10157137 DOI: 10.1007/s40257-023-00774-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/21/2023] [Indexed: 05/05/2023]
Abstract
Lupus erythematosus comprises a spectrum of autoimmune diseases that may affect various organs (systemic lupus erythematosus [SLE]) or the skin only (cutaneous lupus erythematosus [CLE]). Typical combinations of clinical, histological and serological findings define clinical subtypes of CLE, yet there is high interindividual variation. Skin lesions arise in the course of triggers such as ultraviolet (UV) light exposure, smoking or drugs; keratinocytes, cytotoxic T cells and plasmacytoid dendritic cells (pDCs) establish a self-perpetuating interplay between the innate and adaptive immune system that is pivotal for the pathogenesis of CLE. Therefore, treatment relies on avoidance of triggers and UV protection, topical therapies (glucocorticosteroids, calcineurin inhibitors) and rather unspecific immunosuppressive or immunomodulatory drugs. Yet, the advent of licensed targeted therapies for SLE might also open new perspectives in the management of CLE. The heterogeneity of CLE might be attributable to individual variables and we speculate that the prevailing inflammatory signature defined by either T cells, B cells, pDCs, a strong lesional type I interferon (IFN) response, or combinations of the above might be suitable to predict therapeutic response to targeted treatment. Therefore, pretherapeutic histological assessment of the inflammatory infiltrate could stratify patients with refractory CLE for T-cell-directed therapies (e.g. dapirolizumab pegol), B-cell-directed therapies (e.g. belimumab), pDC-directed therapies (e.g. litifilimab) or IFN-directed therapies (e.g. anifrolumab). Moreover, Janus kinase (JAK) and spleen tyrosine kinase (SYK) inhibitors might broaden the therapeutic armamentarium in the near future. A close interdisciplinary exchange with rheumatologists and nephrologists is mandatory for optimal treatment of lupus patients to define the best therapeutic strategy.
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Affiliation(s)
- Dennis Niebel
- Department of Dermatology, University Hospital Regensburg, 93053, Regensburg, Germany
| | - Luka de Vos
- Department of Dermatology, University Hospital Bonn, 53127, Bonn, Germany
| | - Tanja Fetter
- Department of Dermatology, University Hospital Bonn, 53127, Bonn, Germany
| | | | - Jörg Wenzel
- Department of Dermatology, University Hospital Bonn, 53127, Bonn, Germany.
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16
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Kale A, Lech M, Anders HJ, Gaikwad AB. Lupus Nephritis: New and Emerging Biologic and Targeted Therapies. BioDrugs 2023:10.1007/s40259-023-00597-3. [PMID: 37093522 DOI: 10.1007/s40259-023-00597-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/19/2023] [Indexed: 04/25/2023]
Abstract
Lupus nephritis (LN) is a severe complication of systemic lupus erythematosus (SLE), a polyclonal systemic autoimmunity directed against nuclear and other self-antigens. SLE/LN affects mostly females during childbearing age, which puts them at risk for the progression of chronic kidney disease (CKD), cardiovascular disease, and pregnancy complications. The current management of LN involves the use of drugs with significant toxicities, and despite many attempts at novel drug interventions, the overall treatment efficacy has remained low. In this article, we discuss recent drug approvals and the upcoming pipeline of novel medications tested in clinical trials to improve effectiveness in terms of LN disease activity, LN relapse, and progression of LN-related CKD. In this context, we discuss (1) drugs with the potential to achieve these treatment goals by modulating SLE activity as the driving force for LN (e.g., belimumab, obinutuzumab, anifrolumab, and others); (2) drugs with SLE-non specific renoprotective effects by targeting non-immune mechanisms of LN progression (dapagliflozin, empagliflozin); and (3) drugs with dual immunosuppressive and antiproteinuric effects (voclosporin). Increasing the number of possible drug options will help to improve the management of LN in terms of efficacy and safety, and enable a more personalized treatment approach.
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Affiliation(s)
- Ajinath Kale
- Laboratory of Molecular Pharmacology, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, 333 031, India
| | - Maciej Lech
- Division of Nephrology, Department of Internal Medicine IV, Hospital of the Ludwig Maximilians University Munich, 80336, Munich, Germany
| | - Hans-Joachim Anders
- Division of Nephrology, Department of Internal Medicine IV, Hospital of the Ludwig Maximilians University Munich, 80336, Munich, Germany
| | - Anil Bhanudas Gaikwad
- Laboratory of Molecular Pharmacology, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, 333 031, India.
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17
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Herrock O, Deer E, Amaral LM, Campbell N, Whitney D, Ingram N, Cornelius DC, Turner T, Hardy-Hardin J, Booz GW, Ibrahim T, LaMarca B. Inhibiting B cell activating factor attenuates preeclamptic symptoms in placental ischemic rats. Am J Reprod Immunol 2023; 89:e13693. [PMID: 36794639 PMCID: PMC10009902 DOI: 10.1111/aji.13693] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/31/2023] [Accepted: 02/08/2023] [Indexed: 02/17/2023] Open
Abstract
PROBLEM Preeclampsia (PE), new-onset hypertension during pregnancy, is associated with a pro-inflammatory state with activated T cells, cytolytic natural killer (NK) cells, dysregulated complement proteins, and B cells secreting agonistic autoantibodies to the angiotensin II type-1 receptor (AT1-AA). The reduced uterine perfusion pressure (RUPP) model of placental ischemia recapitulates these features of PE. Blocking CD40L-CD40 communication between T and B cells or B cell depletion with Rituximab prevents hypertension and AT1-AA production in RUPP rats. This suggests that T cell-dependent B cell activation contributes to the hypertension and AT1-AA associated with PE. B2 cells maturing into antibody producing plasma cells are the product of T cell-dependent B cell-interactions and B cell Activating Factor (BAFF) is an integral cytokine in the development of B2 cells specifically. Thus, we hypothesize that BAFF blockade will selectively deplete B2 cells, therefore reducing blood pressure, AT1-AA, activated NK Cells, and complement in the RUPP rat model of PE. METHOD OF STUDY Gestational Day (GD) 14 pregnant rats underwent the RUPP procedure, and a subset were treated with 1 mg/kg Anti-BAFF antibodies via jugular catheters. On GD19, blood pressure was measured, B cells and NK cells were measured by flow cytometry, AT1-AA was measured by cardiomyocyte bioassay, and complement activation was measured by ELISA. RESULTS Anti-BAFF therapy attenuated hypertension, AT1-AA, NK cell activation, and APRIL levels in RUPP rats without negatively impacting fetal outcomes. CONCLUSIONS This study demonstrates that B2 cells contribute to hypertension, AT1-AA, and NK cell activation in response to placental ischemia during pregnancy.
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Affiliation(s)
- Owen Herrock
- Department of Pharmacology & Toxicology, University of Mississippi Medical Center, Jackson, MS
| | - Evangeline Deer
- Department of Pharmacology & Toxicology, University of Mississippi Medical Center, Jackson, MS
| | - Lorena M. Amaral
- Department of Pharmacology & Toxicology, University of Mississippi Medical Center, Jackson, MS
| | - Nathan Campbell
- Department of Pharmacology & Toxicology, University of Mississippi Medical Center, Jackson, MS
| | - Darby Whitney
- Department of Pharmacology & Toxicology, University of Mississippi Medical Center, Jackson, MS
| | - Nicole Ingram
- Department of Pharmacology & Toxicology, University of Mississippi Medical Center, Jackson, MS
| | | | - Ty Turner
- Department of Pharmacology & Toxicology, University of Mississippi Medical Center, Jackson, MS
| | - Ja’Nasa Hardy-Hardin
- Department of Pharmacology & Toxicology, University of Mississippi Medical Center, Jackson, MS
| | - George W. Booz
- Department of Pharmacology & Toxicology, University of Mississippi Medical Center, Jackson, MS
| | - Tarek Ibrahim
- Department of Pharmacology & Toxicology, University of Mississippi Medical Center, Jackson, MS
| | - Babbette LaMarca
- Department of Pharmacology & Toxicology, University of Mississippi Medical Center, Jackson, MS
- Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, MS
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18
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Fevang B. Treatment of inflammatory complications in common variable immunodeficiency (CVID): current concepts and future perspectives. Expert Rev Clin Immunol 2023; 19:627-638. [PMID: 36996348 DOI: 10.1080/1744666x.2023.2198208] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
Abstract
INTRODUCTION Patients with Common variable immunodeficiency (CVID) have a high frequency of inflammatory complications like autoimmune cytopenias, interstitial lung disease and enteropathy. These patients have poor prognosis and effective, timely and safe treatment of inflammatory complications in CVID are essential, but guidelines and consensus on therapy are often lacking. AREAS COVERED This review will focus on current medical treatment of inflammatory complications in CVID and point out some future perspectives based on literature indexed in PubMed. There are a number of good observational studies and case reports on treatment of specific complications but randomized controlled trials are scarce. EXPERT OPINION In clinical practice, the most urgent issues that need to be addressed are the preferred treatment of GLILD, enteropathy and liver disease. Treating the underlying immune dysregulation and immune exhaustion in CVID is an alternative approach that potentially could alleviate these and other organ-specific inflammatory complications. Therapies of potential interest and wider use in CVID include mTOR-inhibitors like sirolimus, JAK-inhibitors like tofacitinib, the monoclonal IL-12/23 antibody ustekinumab, the anti-BAFF antibody belimumab and abatacept. For all inflammatory complications, there is a need for prospective therapeutic trials, preferably randomized controlled trials, and multi-center collaborations with larger cohorts of patients will be essential.
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Affiliation(s)
- Børre Fevang
- Centre for Rare Disorders, Oslo University Hospital, Oslo, Norway
- Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Oslo, Norway
- Research Institute for Internal Medicine, Oslo University Hospital, Oslo, Norway
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19
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Nagai K. Immunosuppressive Agent Options for Primary Nephrotic Syndrome: A Review of Network Meta-Analyses and Cost-Effectiveness Analysis. Medicina (B Aires) 2023; 59:medicina59030601. [PMID: 36984602 PMCID: PMC10054564 DOI: 10.3390/medicina59030601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/13/2023] [Accepted: 03/16/2023] [Indexed: 03/22/2023] Open
Abstract
Therapeutic options with immunosuppressive agents for glomerular diseases have widened with refinements to the Kidney Disease Improving Global Outcomes (KDIGO) guidelines from 2012 to 2021. However, international guidelines do not necessarily match the reality in each country. Expensive therapies such as rituximab and calcineurin inhibitors are sometimes inaccessible to patients with refractory nephrotic syndrome due to cost or regulations. Under the Japanese medical insurance system, rituximab is accessible but still limited to steroid-dependent patients who developed idiopathic nephrotic syndrome in childhood. Based on international KDIGO guidelines and other national guidelines, possible applications of immunosuppressive agents for nephrotic syndrome are comprehensively examined in this review. While rituximab has become the mainstay of immunosuppressive therapy for nephrotic syndrome, clinical trials have indicated that options such as cyclophosphamide, calcineurin inhibitors, and mycophenolate mofetil would be preferable. Given the rising number of patients with nephrotic syndrome worldwide, KDIGO guidelines mention the need for further consideration of cost-effectiveness. If the new option of rituximab is to be the first choice in combination with steroids for nephrotic syndrome, its cost-effectiveness should also be verified. Among the few studies examining the cost-effectiveness of treatments for nephrotic syndrome, administration of rituximab to young adults has been shown to be cost-beneficial, at least in Japan. However, further large-scale studies involving multiple facilities are needed to verify such findings. Network meta-analyses have concluded that the efficacy of rituximab remains controversial and confirmation through high-quality studies of large cohorts is needed. To this end, the mechanisms of action underlying immunosuppressive agents, both old and new, need to be understood and experience must be accumulated to evaluate possible effects and side effects.
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Affiliation(s)
- Kei Nagai
- University of Tsukuba Hospital Hitachi Social Cooperation Education Research Center, Hitachi 317-0077, Ibaraki, Japan
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20
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Kalashnikova EM, Raupov RK, Lyubimova NA, Kuchinskaya EM, Masalova VV, Isupova EA, Gaidar EV, Dubko MF, Snegireva LS, Sorokina LS, Kornishina TL, Kaneva MA, Chikova IA, Likhacheva TS, Kolobova OL, Kalashnikova OV, Chasnyk VG, Kostik MM. The experience of rituximab therapy in patients with juvenile systemic lupus erythematosus: the preliminary results of two-center cohort study. ROSSIYSKIY VESTNIK PERINATOLOGII I PEDIATRII (RUSSIAN BULLETIN OF PERINATOLOGY AND PEDIATRICS) 2023. [DOI: 10.21508/1027-4065-2023-68-1-74-84] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
Systemic lupus erythematosus is an immunopathological disease which is characterized by a poor prognosis. Biologics applied in the disease treatment allow reducing the corticosteroid toxicity and controlling the disease.Purpose. To evaluate the efficacy and safety of rituximab therapy in children with systemic lupus erythematosus.Material and methods. The retrospective study included data of 48 patients with systemic lupus erythematosus treated with rituximab. Systemic lupus erythematosus was diagnosed based on the SLICC classification criteria. Patients were assessed at baseline disease status, at the time of rituximab initiation and follow-up. The indications for the rituximab were: lupus nephritis, CNS involvement, and hematological involvement resistant to the standard therapy, and in cases of severe corticosteroid toxicity.Results. During rituximab therapy the significant decrease of the SELENA–SLEDAI activity index was observed. There was a significant decrease of the level of antibodies against dsDNA, normalization of the levels of hemoglobin, ESR, complement C4. The proportion of patients with cytopenia decreased up to their complete absence in patients receiving therapy for three years. The number of patients with active lupus nephritis decreased from 16 at the time of rituximab initiation to 1 after 3 years of therapy. Significant dynamics of proteinuria and hematuria was noted, except for 1 patient. The daily dose of corticosteroids was reduced by 90% from baseline in patients treated for 3 years. Serious adverse events included three deaths in patients with high systemic lupus erythematosus activity with uncontrolled macrophage activation syndrome associated with infections. Various infectious complications, hypogammaglobulinemia, which required replacement therapy with intravenous immunoglobulin, were also recorded.Conclusion. Rituximab can be considered as an option for the treatment of severe forms of systemic lupus erythematosus which are resistant to standard therapy. Further studies are required to evaluate efficacy and safety.
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Affiliation(s)
| | - R. K. Raupov
- Saint Petersburg State Pediatric Medical University; Turner National Medical Research Center for Children’s Orthopedics and Trauma Surgery
| | | | | | | | | | - E. V. Gaidar
- Saint Petersburg State Pediatric Medical University
| | - M. F. Dubko
- Saint Petersburg State Pediatric Medical University
| | | | | | | | - M. A. Kaneva
- Saint Petersburg State Pediatric Medical University
| | | | | | | | | | | | - M. M. Kostik
- Saint Petersburg State Pediatric Medical University; Almazov National Medical Research Center
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21
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Chernova I, Song W, Steach H, Hafez O, Al Souz J, Chen PM, Chandra N, Cantley L, Veselits M, Clark MR, Craft J. The ion transporter Na +-K +-ATPase enables pathological B cell survival in the kidney microenvironment of lupus nephritis. SCIENCE ADVANCES 2023; 9:eadf8156. [PMID: 36724234 PMCID: PMC9891690 DOI: 10.1126/sciadv.adf8156] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
The kidney is a comparatively hostile microenvironment characterized by highsodium concentrations; however, lymphocytes infiltrate and survive therein in autoimmune diseases such as lupus. The effects of sodium-lymphocyte interactions on tissue injury in autoimmune diseases and the mechanisms used by infiltrating lymphocytes to survive the highsodium environment of the kidney are not known. Here, we show that kidney-infiltrating B cells in lupus adapt to elevated sodium concentrations and that expression of sodium potassium adenosine triphosphatase (Na+-K+-ATPase) correlates with the ability of infiltrating cells to survive. Pharmacological inhibition of Na+-K+-ATPase and genetic knockout of Na+-K+-ATPase γ subunit resulted in reduced B cell infiltration into kidneys and amelioration of proteinuria. B cells in human lupus nephritis biopsies also had high expression of Na+-K+-ATPase. Our study reveals that kidney-infiltrating B cells in lupus initiate a tissue adaption program in response to sodium stress and identifies Na+-K+-ATPase as an organ-specific therapeutic target.
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Affiliation(s)
- Irene Chernova
- Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
- Corresponding author. (I.C.); (J.C.)
| | - Wenzhi Song
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT, USA
| | - Holly Steach
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT, USA
| | - Omeed Hafez
- Department of Pathology, Yale University School of Medicine, New Haven, CT, USA
| | - Jafar Al Souz
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT, USA
| | - Ping-Min Chen
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT, USA
| | - Nisha Chandra
- Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Lloyd Cantley
- Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Margaret Veselits
- Section of Rheumatology and Gwen Knapp Center for Lupus and Immunology Research, Departments of Medicine and Pathology, University of Chicago, Chicago, IL, USA
| | - Marcus R. Clark
- Section of Rheumatology and Gwen Knapp Center for Lupus and Immunology Research, Departments of Medicine and Pathology, University of Chicago, Chicago, IL, USA
| | - Joe Craft
- Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT, USA
- Corresponding author. (I.C.); (J.C.)
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22
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Petrova T, Figueras-Vadillo C, Nanda SK, Scudamore C, Cohen P. Pacritinib abrogates the lupus phenotype in ABIN1[D485N] mice. Lupus Sci Med 2023; 10:10/1/e000822. [PMID: 36822800 PMCID: PMC9950973 DOI: 10.1136/lupus-2022-000822] [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] [Received: 09/08/2022] [Accepted: 01/30/2023] [Indexed: 02/25/2023]
Abstract
OBJECTIVE The aim of the study was to investigate whether the IRAK1/JAK2/Flt3 inhibitor pacritinib prevents disease development in the lupus-prone ABIN1[D485N] knock-in mouse. METHODS ABIN1[D485N] knock-in mice aged 8 weeks were fed for 10 weeks on a diet containing pacritinib. Body weight was monitored, and serum collected at the end to measure pacritinib, autoantibody and immunoglobulin levels. Splenic immune cell populations were analysed, and the kidney, liver and lungs examined for pathology. RESULTS Pacritinib prevented multiple facets of the lupus phenotype in ABIN1[D485N] knock-in mice, including splenomegaly, expansion of splenic germinal centre B cells, follicular T helper cells, and neutrophils, elevated serum levels of double-stranded DNA antibodies and immunoglobulins, glomerular IgA and lung inflammation. CONCLUSIONS Pacritinib may be useful for the treatment of multiorgan inflammation in patients with lupus.
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Affiliation(s)
- Tsvetana Petrova
- MRC Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, UK
| | | | - Sambit K Nanda
- MRC Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, UK
| | | | - Philip Cohen
- MRC Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, Dundee, UK
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23
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Alsuwayegh A, Almaghlouth IA, Almasaoud MA, Alzaid AS, Alsuhaibani AA, Almana LH, Alabdulkareem SM, Abudahesh JA, AlRuthia Y. Cost Consequence Analysis of Belimumab versus Standard of Care for the Management of Systemic Lupus Erythematosus in Saudi Arabia: A Retrospective Cohort Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1917. [PMID: 36767283 PMCID: PMC9915237 DOI: 10.3390/ijerph20031917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/10/2023] [Accepted: 01/17/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Belimumab use for the management of systemic lupus erythematosus (SLE) has been limited, in part due to its high acquisition cost relative to the standard of care (SoC) and the uncertainties about its cost-effectiveness. Therefore, the aim of this study was to compare the cost and effectiveness of belimumab versus the SoC alone for the management of SLE using real-world data from the perspective of public healthcare payers in Saudi Arabia. METHODS Data were retrieved from a national prospective cohort of SLE, Saudi Arabia. Adult SLE patients (≥18 yrs.) treated with belimumab plus the SoC or the SoC alone for at least six months were recruited. The effectiveness was measured using the Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K). Unit costs for health services and prescription drugs were retrieved from the Saudi ministry of health. Nonparametric bootstrapping with inverse probability weighting was conducted to generate the 95% confidence limits for the cost and effectiveness. RESULTS A total of 15 patients on belimumab plus the SoC and 41 patients on the SoC alone met the inclusion criteria and were included in the analysis. The majority of patients were females (91.07%) with a mean age of 38 years. The mean difference in cost and SLEDAI-2K score reduction between belimumab versus the SoC were USD 5303.16 [95% CI: USD 2735.61-USD 7802.52] and 3.378 [95% CI: 1.769-6.831], respectively. Belimumab demonstrated better effectiveness but higher cost in 96% of the bootstrap cost-effectiveness distributions. CONCLUSION Future studies should use more robust research designs and a larger sample size to confirm the findings of this study.
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Affiliation(s)
- Aseel Alsuwayegh
- Corporate Department of Pharmacy Services, King Saud University Medical City, Riyadh 11451, Saudi Arabia
| | - Ibrahim A. Almaghlouth
- Department of Medicine, College of Medicine, King Saud University, Riyadh 11461, Saudi Arabia
| | | | | | | | | | | | | | - Yazed AlRuthia
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Pharmacoeconomics Research Unit, Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
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24
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Liu J, Yan M, Wen R, Li J. Sequential treatment of rituximab and belimumab in thrombotic thrombocytopenia purpura associated with systemic lupus erythematous: A respective case series and literature review. Int J Rheum Dis 2023; 26:960-964. [PMID: 36592434 DOI: 10.1111/1756-185x.14556] [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: 07/03/2022] [Revised: 10/16/2022] [Accepted: 12/22/2022] [Indexed: 01/04/2023]
Abstract
INTRODUCTION Thrombotic thrombocytopenia purpura (TTP) associated with systemic lupus erythematous (SLE), features the appearance of inhibitory autoantibodies against ADAMTS13. Rituximab and belimumab (BEL), as both targeting B cells, seem to be an optimal therapy to induce clinical remission, prevent relapse of disease and contribute to glucocorticoid induction. However, the clinical outcome of SLE-TTP treated with sequential therapy between rituximab and BEL remain elusive. CASE SERIES We reported the clinical outcomes of 4 patients diagnosed with SLE-TTP who were administrated a combination of corticosteroids, plasma exchange, and rituximab at stage of induction. BEL was utilized to rapidly reduce the reliance on these agents and prevent relapse of TTP at maintenance stage. Ultimately, 4 patients fully recovered with a SLE Disease Activity Index score of 0 and reached the goal at dose of prednisolone <7.5 mg/d without relapse. CONCLUSION Sequential treatment of rituximab and BEL could be an encouraging approach in treatment of SLE-TTP and rapid glucocorticoid reduction.
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Affiliation(s)
- Jun Liu
- Department of Rheumatology and Immunology, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
| | - Mingming Yan
- Department of Orthopedic Surgery, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Rui Wen
- Department of Rheumatology and Immunology, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
| | - Jiali Li
- Department of Rheumatology and Immunology, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
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25
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Krustev E, Clarke AE, Barber MRW. B cell depletion and inhibition in systemic lupus erythematosus. Expert Rev Clin Immunol 2023; 19:55-70. [PMID: 36342225 DOI: 10.1080/1744666x.2023.2145281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
INTRODUCTION Systemic lupus erythematosus (SLE) is characterized by autoantibody expression and aberrant autoreactive B cells contribute to disease progression; therefore, B cell inhibition has been an attractive target for novel therapies. However, after more than two decades of research and over 40 randomized clinical trials, only one such therapy, belimumab, has been approved for use in SLE. AREAS COVERED In this review, we discuss the evidence for B cell-targeted therapies in SLE and lupus nephritis. Belimumab has been successful in several large clinical trials and is approved in several countries for use in SLE and lupus nephritis. Despite a lack of supporting phase III evidence, rituximab is used off-label in SLE. Several other B cell-targeted therapies have failed to meet their end points in late-stage clinical trials. Successful phase II trials have recently been reported for obinutuzumab and telitacicept with larger confirmatory trials currently underway. EXPERT OPINION Refinements in pharmaceutical mechanisms of action, trial design, and patient selection have resulted in recent preliminary successes, offering renewed optimism for B-cell targeted therapeutics in SLE management.
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Affiliation(s)
- Eugene Krustev
- Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Ann E Clarke
- Division of Rheumatology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Megan R W Barber
- Division of Rheumatology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
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Hartinger JM, Kratky V, Hruskova Z, Slanar O, Tesar V. Implications of rituximab pharmacokinetic and pharmacodynamic alterations in various immune-mediated glomerulopathies and potential anti-CD20 therapy alternatives. Front Immunol 2022; 13:1024068. [PMID: 36420256 PMCID: PMC9676507 DOI: 10.3389/fimmu.2022.1024068] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Accepted: 10/13/2022] [Indexed: 11/09/2022] Open
Abstract
The specific B-cell depleting anti-CD20 monoclonal antibody rituximab (RTX) is effective in terms of the treatment of various immune-mediated glomerulopathies. The administration of RTX has been shown to be reliable and highly effective particularly in patients with ANCA-associated vasculitis, which is manifested predominantly with non-nephrotic proteinuria. Stable long-term B-cell depletion is usually readily attained in such patients using standard dosing regimens. However, in patients with nephrotic syndrome and non-selective proteinuria, the RTX pharmacokinetics is altered profoundly and RTX does not maintain high enough levels for a sufficiently long period, which may render RTX treatment ineffective. Since complement-derived cytotoxicity is one of the important modes of action of RTX, hypocomplementemia, frequently associated with systemic lupus erythematodes, may act to hamper the efficacy of RTX in the treatment of patients with lupus nephritis. This review provides a description of RTX pharmacokinetics and pharmacodynamics in several selected glomerulopathies, as well as the impact of proteinuria, anti-drug antibodies and other clinical variables on the clearance and volume of distribution of RTX. The impact of plasmapheresis and peritoneal dialysis on the clearance of RTX is also discussed in the paper. A review is provided of the potential association between pharmacokinetic and pharmacodynamic alterations in various kidney-affecting glomerular diseases, the sustainability of B-cell depletion and the clinical efficacy of RTX, with proposals for potential dosing implications. The role of therapeutic drug monitoring in treatment tailoring is also discussed, and various previously tested RTX dosing schedules are compared in terms of their clinical and laboratory treatment responses. Since alternative anti-CD20 molecules may prove effective in RTX unresponsive patients, their pharmacokinetics, pharmacodynamics and current role in the treatment of glomerulopathies are also mentioned.
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Affiliation(s)
- Jan Miroslav Hartinger
- Department of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital Prague, Prague, Czechia
- *Correspondence: Jan Miroslav Hartinger,
| | - Vojtech Kratky
- Department of Nephrology, First Faculty of Medicine, Charles University and General University Hospital Prague, Prague, Czechia
| | - Zdenka Hruskova
- Department of Nephrology, First Faculty of Medicine, Charles University and General University Hospital Prague, Prague, Czechia
| | - Ondrej Slanar
- Department of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital Prague, Prague, Czechia
| | - Vladimir Tesar
- Department of Nephrology, First Faculty of Medicine, Charles University and General University Hospital Prague, Prague, Czechia
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Chen TX, Fan YT, Peng BW. Distinct mechanisms underlying therapeutic potentials of CD20 in neurological and neuromuscular disease. Pharmacol Ther 2022; 238:108180. [DOI: 10.1016/j.pharmthera.2022.108180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/16/2022] [Accepted: 03/28/2022] [Indexed: 10/18/2022]
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Md Yusof MY, Alivernini S, Chatzidionysiou K. Editorial: Advance in B-cell therapies for the treatment of rheumatic and musculoskeletal diseases. Front Med (Lausanne) 2022; 9:1020859. [PMID: 36213643 PMCID: PMC9532963 DOI: 10.3389/fmed.2022.1020859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 09/05/2022] [Indexed: 12/02/2022] Open
Affiliation(s)
- Md Yuzaiful Md Yusof
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom
- National Institute for Health and Care Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, United Kingdom
- *Correspondence: Md Yuzaiful Md Yusof
| | - Stefano Alivernini
- Immunology Core Facility, Gemelli Science Technological Park, GSTeP, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
- Division of Rheumatology, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS)—Università Cattolica del Sacro Cuore, Rome, Italy
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Systemic lupus erythematosus-complicating immune thrombocytopenia: From pathogenesis to treatment. J Autoimmun 2022; 132:102887. [PMID: 36030136 DOI: 10.1016/j.jaut.2022.102887] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 07/21/2022] [Indexed: 11/24/2022]
Abstract
Immune thrombocytopenia (ITP) is a common hematological manifestation of systemic lupus erythematosus (SLE). The heterogeneity of its clinical characteristics and therapeutic responses reflects a complex pathogenesis. A better understanding of its pathophysiological mechanisms and employing an optimal treatment regimen is therefore important to improve the response rate and prognosis, and avoid unwanted outcomes. Besides glucocorticoids, traditional immunosuppressants (i.e. cyclosporine, mycophenolate mofetil) and intravenous immunoglobulins, new therapies are emerging and promising for the treatment of intractable SLE-ITP, such as thrombopoietin receptor agonists (TPO-RAs), platelet desialylation inhibitors(i.e. oseltamivir), B-cell targeting therapy(i.e. rituximab, belimumab), neonatal Fc receptor(FcRn) inhibitor, spleen tyrosine kinase(Syk) inhibitor and Bruton tyrosine kinase(BTK) inhibitor et al., although more rigorous randomized controlled trials are needed to substantiate their efficacy. In this review, we update our current knowledge on the pathogenesis and treatment of SLE-ITP.
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Cheng H, Zhang XY, Yang HD, Yu Z, Yan CL, Gao C, Wen HY. Efficacy and safety of belimumab/low-dose cyclophosphamide therapy in moderate-to-severe systemic lupus erythematosus. Front Immunol 2022; 13:911730. [PMID: 35979351 PMCID: PMC9376229 DOI: 10.3389/fimmu.2022.911730] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 07/13/2022] [Indexed: 11/14/2022] Open
Abstract
Objectives We have reported previously that Belimumab, a human monoclonal antibody that inhibits B-cell activating factor(BAFF) could be an effective and safe option to treat Neuropsychiatric manifestations of SLE (NPSLE). To avoid inadequate efficacy of Belimumab and significant adverse events of often-used dose of cyclophosphamide (CYC) for SLE, we evaluated the efficacy, safety, and possible immune mechanisms of Belimumab treatment in combination with intermittent low-dose intravenous CYC for moderate-to-severe SLE. Methods In this non blinded and parallel-group trial, we collected 82 cases of moderate-to-severe SLE patients, 40 received Belimumab treatment and 42 received conventional treatments as historical controls for 24 weeks. The demographic features, clinical manifestations, and laboratory indicators including peripheral blood lymphocyte subgroups or subsets were compared before and after the treatments. Results Compared with the baseline, 6 months post Belimumab group treatment, disease activity score SLEDAI (13.78 to 3.82, P<0.05) and BILAG scores (16.40 to 5.48, P<0.05) were reduced; C3 (0.19 to 1.14, P<0.05) and C4 (0.04 to 0.22, P<0.05) increased; the absolute numbers of B and T cells were the first decreased and then significantly increased, tended to balance. Moreover, Belimumab group treatment significantly reduced the serum levels of IL-6, the ratio of B and T cells, and the proportion of infections and menstrual disorders. Conclusion Compared with conventional treatment, Belimumab with low-dose intravenous CYC significantly reduced disease activity scores and maintained the B/T cell balance for SLE patients at 24 weeks. It was more efficacy and safe (adverse events such as infection were significantly lower). It should be the mechanism that Belimumab combined with low-dose intravenous CYC therapy restores the balance of T and B cells, which proposes a potential treatment strategyfor SLE.
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Affiliation(s)
- Hao Cheng
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Shanxi Medical University, Taiyuan, China
| | - Xiao-ying Zhang
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Shanxi Medical University, Taiyuan, China
| | - Hui-dan Yang
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Shanxi Medical University, Taiyuan, China
| | - Zhen Yu
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Shanxi Medical University, Taiyuan, China
| | - Cheng-lan Yan
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Shanxi Medical University, Taiyuan, China
| | - Chong Gao
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - Hong-yan Wen
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Shanxi Medical University, Taiyuan, China
- *Correspondence: Hong-yan Wen, ;
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Chen F, Zheng Y, Chen X, Wen Z, Xu Y, Yang J, Xu K. Belimumab in childhood systemic lupus erythematosus: A review of available data. Front Immunol 2022; 13:940416. [PMID: 35967351 PMCID: PMC9363663 DOI: 10.3389/fimmu.2022.940416] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 07/01/2022] [Indexed: 01/11/2023] Open
Abstract
IntroductionChildhood systemic lupus erythematosus (cSLE) is a complex multisystem autoimmune disease. In 2019, belimumab was approved for the clinical treatment for cSLE, making it the only biological agent approved for cSLE children aged 5 and older in 60 years.ObjectiveTo review emerging evidence on belimumab in cSLE published up to April 2022, so as to provide information for clinical decision-making.MethodA comprehensive search of relevant publications up to the date of April 2022 in PUBMED, EMBASE, WOS, COCHRANE, ClinicalTrials.gov, CBM, CNKI and WANFANG was performed using the following criteria: (a) English and Chinese language studies; (b) RCT studies, cohort studies, or case-control studies; (c) patients with age <18; (d) Observational studies or case series studies contain more than 5 patients. All relevant literature was independently screened and reviewed by at least two reviewers and the obtained literature data were extracted and reviewed by two authors.ResultsFive publications met the inclusion/exclusion criteria for cSLE: one randomized controlled trial, one retrospective cohort study, and three case series. There was a high degree of heterogeneity among several studies, and the availability of baseline and outcome data provided was uneven.ConclusionAt present, there is a lack of high-quality clinical trials of belimumab in the treatment of cSLE. Based on the current research, it is believed that the use of belimumab can inhibit cSLE activity, reduce the dose of corticosteroids and immunosuppressants, and delay kidney damage. Also it shows clinical benefit in alleviating symptoms of monogenic cSLE refractory to standard therapy. More studies are urgently needed to validate the clinical efficacy of belimumab in cSLE and to evaluate its long-term safety in pediatric populations to promote evidence-based practice.
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Affiliation(s)
- Feng Chen
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ying Zheng
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xinying Chen
- Department of Pediatrics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Xiaorong Luo’s Renowned Expert Inheritance Studio, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Zhanfa Wen
- The Second Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Youjia Xu
- Department of Pediatrics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Xiaorong Luo’s Renowned Expert Inheritance Studio, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
- *Correspondence: Youjia Xu, ; Jinghua Yang, ; Kaisi Xu,
| | - Jinghua Yang
- Department of Pediatrics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Xiaorong Luo’s Renowned Expert Inheritance Studio, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
- *Correspondence: Youjia Xu, ; Jinghua Yang, ; Kaisi Xu,
| | - Kaisi Xu
- Department of Pediatrics, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Xiaorong Luo’s Renowned Expert Inheritance Studio, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
- *Correspondence: Youjia Xu, ; Jinghua Yang, ; Kaisi Xu,
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Jiang B, Zhang Y, Li Y, Chen Y, Sha S, Zhao L, Li D, Wen J, Lan J, Lou Y, Su H, Zhang C, Zhu J, Tao J. A Tissue-Tended Mycophenolate-Modified Nanoparticle Alleviates Systemic Lupus Erythematosus in MRL/Lpr Mouse Model Mainly by Promoting Local M2-Like Macrophagocytes Polarization. Int J Nanomedicine 2022; 17:3251-3267. [PMID: 35924257 PMCID: PMC9342721 DOI: 10.2147/ijn.s361400] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 07/20/2022] [Indexed: 11/23/2022] Open
Abstract
Background Mycophenolate mofetil (MMF), for which the bioactive metabolite is mycophenolic acid (MPA), is a frequently used immunosuppressant for systemic lupus erythematosus (SLE). However, its short half-life and poor biodistribution into cells and tissues hinder its clinical efficacy. Our dextran mycophenolate-based nanoparticles (MPA@Dex-MPA NPs) have greatly improved the pharmacokinetics of MMF/MPA. We here tested the therapeutic efficacy of MPA@Dex-MPA NPs against SLE and investigated the underlying mechanism. Methods The tissue and immune cell biodistributions of MPA@Dex-MPA NPs were traced using live fluorescence imaging system and flow cytometry, respectively. Serological proinflammatory mediators and kidney damage were detected to assess the efficacy of MPA@Dex-MPA NPs treatments of MRL/lpr lupus-prone mice. Immune cell changes in the kidney and spleen were further analyzed post-treatment via flow cytometry. Bone marrow-derived macrophages were used to investigate the potential mechanism. Results MPA@Dex-MPA NPs exhibited superior therapeutic efficacy and safety in the MRL/lpr mice using significantly lower administration dosage (one-fifth) and frequency (once/3 days) compared to MMF/MPA used in ordinary practice. The overall prognosis of the mice was improved as they showed lower levels of serological proinflammatory mediators. Moreover, kidney injury was alleviated with reduced pathological signs and decreased urine protein-creatinine ratio. Further investigations of the underlying mechanism revealed a preferential penetration and persistent retention of MPA@Dex-MPA NPs in the spleen and kidney, where they were mostly phagocytosed by macrophages. The macrophages were found to be polarized towards a CD206+ M2-like phenotype, with a downregulation of surface CD80 and CD40, and reduced TNF-α production in the spleen and kidney and in vitro. The expansion of T cells was also significantly inhibited in these two organs. Conclusion Our research improved the efficacy of MPA for MRL/lpr mice through synthesizing MPA@Dex-MPA NPs to enhance its tissue biodistribution and explored the possible mechanism, providing a promising strategy for SLE therapy.
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Affiliation(s)
- Biling Jiang
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, People’s Republic of China
| | - Yamin Zhang
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, People’s Republic of China
| | - Yuce Li
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, HUST, Wuhan, People’s Republic of China
| | - Yu Chen
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, HUST, Wuhan, People’s Republic of China
| | - Shanshan Sha
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, People’s Republic of China
| | - Liang Zhao
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, People’s Republic of China
| | - Danqi Li
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, People’s Republic of China
| | - Jingjing Wen
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, People’s Republic of China
| | - Jiajia Lan
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, People’s Republic of China
| | - Yuchen Lou
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, People’s Republic of China
| | - Hua Su
- Department of Nephrology, Union Hospital, Tongji Medical College, HUST, Wuhan, People’s Republic of China
| | - Chun Zhang
- Department of Nephrology, Union Hospital, Tongji Medical College, HUST, Wuhan, People’s Republic of China
| | - Jintao Zhu
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, HUST, Wuhan, People’s Republic of China
| | - Juan Tao
- Hubei Engineering Research Center of Skin Disease Theranostics and Health, Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology (HUST), Wuhan, People’s Republic of China
- Correspondence: Juan Tao; Jintao Zhu, Email ;
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Ruan J, Zhang X, Zheng M. Belimumab for the Treatment of Pemphigus. Dermatol Ther 2022; 35:e15621. [PMID: 35671064 DOI: 10.1111/dth.15621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/24/2022] [Accepted: 06/05/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Jiali Ruan
- Dermatology Department Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou China
| | - Xuetong Zhang
- Dermatology Department Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou China
| | - Min Zheng
- Dermatology Department Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou China
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B cells in autoimmune hepatitis: bystanders or central players? Semin Immunopathol 2022; 44:411-427. [PMID: 35488094 PMCID: PMC9256567 DOI: 10.1007/s00281-022-00937-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 04/07/2022] [Indexed: 02/07/2023]
Abstract
B cells are central for the adaptive immune system to mount successful immune responses not only as antibody producers but also as regulators of cellular immunity. These multifaceted features are also reflected in autoimmunity where autoreactive B cells can fuel disease by production of cytotoxic autoantibodies, presentation of autoantigens to autoreactive T cells, and secretion of cytokines and chemokines that either promote detrimental immune activation or impair regulatory T and B cells. The role of B cells and autoantibodies in autoimmune hepatitis (AIH) have been controversially discussed, with typical autoantibodies and hypergammaglobulinemia indicating a key role, while strong HLA class II association suggests T cells as key players. In this review, we summarize current knowledge on B cells in AIH and how different B cell subpopulations may drive AIH progression beyond autoantibodies. We also discuss recent findings of B cell-directed therapies in AIH.
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35
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She Z, Li C, Wu F, Mao J, Xie M, Hun M, Abdirahman AS, Luo S, Wan W, Tian J, Wen C. The Role of B1 Cells in Systemic Lupus Erythematosus. Front Immunol 2022; 13:814857. [PMID: 35418972 PMCID: PMC8995743 DOI: 10.3389/fimmu.2022.814857] [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] [Received: 11/14/2021] [Accepted: 03/03/2022] [Indexed: 11/13/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is a systemic autoimmune disease characterized by multisystemic and multi-organ involvement, recurrent relapses and remissions, and the presence of large amounts of autoantibodies in the body as the main clinical features. The mechanisms involved in this disease are complex and remain poorly understood; however, they are generally believed to be related to genetic susceptibility factors, external stimulation of the body’s immune dysfunction, and impaired immune regulation. The main immune disorders include the imbalance of T lymphocyte subsets, hyperfunction of B cells, production of large amounts of autoantibodies, and further deposition of immune complexes, which result in tissue damage. Among these, B cells play a major role as antibody-producing cells and have been studied extensively. B1 cells are a group of important innate-like immune cells, which participate in various innate and autoimmune processes. Yet the role of B1 cells in SLE remains unclear. In this review, we focus on the mechanism of B1 cells in SLE to provide new directions to explore the pathogenesis and treatment modalities of SLE.
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Affiliation(s)
- Zhou She
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Cuifang Li
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Feifeng Wu
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jueyi Mao
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Min Xie
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Marady Hun
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Amin Sheikh Abdirahman
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Senlin Luo
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Wuqing Wan
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jidong Tian
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Chuan Wen
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
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Moran CA, Collins LF, Beydoun N, Mehta PK, Fatade Y, Isiadinso I, Lewis TT, Weber B, Goldstein J, Ofotokun I, Quyyumi A, Choi MY, Titanji K, Lahiri CD. Cardiovascular Implications of Immune Disorders in Women. Circ Res 2022; 130:593-610. [PMID: 35175848 PMCID: PMC8869407 DOI: 10.1161/circresaha.121.319877] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Immune responses differ between men and women, with women at higher risk of developing chronic autoimmune diseases and having more robust immune responses to many viruses, including HIV and hepatitis C virus. Although immune dysregulation plays a prominent role in chronic systemic inflammation, a key driver in the development of atherosclerotic cardiovascular disease (ASCVD), standard ASCVD risk prediction scores underestimate risk in populations with immune disorders, particularly women. This review focuses on the ASCVD implications of immune dysregulation due to disorders with varying global prevalence by sex: autoimmune disorders (female predominant), HIV (male-female equivalent), and hepatitis C virus (male predominant). Factors contributing to ASCVD in women with immune disorders, including traditional risk factors, dysregulated innate and adaptive immunity, sex hormones, and treatment modalities, are discussed. Finally, the need to develop new ASCVD risk stratification tools that incorporate variables specific to populations with chronic immune disorders, particularly in women, is emphasized.
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Affiliation(s)
- Caitlin A. Moran
- Emory University School of Medicine, Department of Medicine, Division of Infectious Diseases, Atlanta, GA, USA
| | - Lauren F. Collins
- Emory University School of Medicine, Department of Medicine, Division of Infectious Diseases, Atlanta, GA, USA
| | - Nour Beydoun
- Emory University School of Medicine, Department of Medicine, Center for Heart Disease Prevention, Division of Cardiology and Emory Women’s Heart Center, Atlanta, GA, USA
| | - Puja K. Mehta
- Emory University School of Medicine, Department of Medicine, Center for Heart Disease Prevention, Division of Cardiology and Emory Women’s Heart Center, Atlanta, GA, USA
| | - Yetunde Fatade
- Emory University School of Medicine, Department of Medicine, Atlanta, GA, USA
| | - Ijeoma Isiadinso
- Emory University School of Medicine, Department of Medicine, Center for Heart Disease Prevention, Division of Cardiology and Emory Women’s Heart Center, Atlanta, GA, USA
| | - Tené T Lewis
- Emory University, Rollins School of Public Health, Department of Epidemiology, Atlanta, GA, USA
| | - Brittany Weber
- Harvard Medical School, Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital, Boston, MA, USA
| | - Jill Goldstein
- Massachusetts General Hospital, Department of Psychiatry, and Harvard Medical School, Departments of Psychiatry and Medicine, Boston, MA, USA
| | - Igho Ofotokun
- Emory University School of Medicine, Department of Medicine, Division of Infectious Diseases, Atlanta, GA, USA
| | - Arshed Quyyumi
- Emory University School of Medicine, Department of Medicine, Center for Heart Disease Prevention, Division of Cardiology and Emory Women’s Heart Center, Atlanta, GA, USA
| | - May Y. Choi
- Cumming School of Medicine, University of Calgary, Calgary, AB Canada
| | - Kehmia Titanji
- Emory University, Department of Medicine, Division of Endocrinology, Metabolism, and Lipids, Atlanta, GA, USA
| | - Cecile D. Lahiri
- Emory University School of Medicine, Department of Medicine, Division of Infectious Diseases, Atlanta, GA, USA
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Garcillán B, Salavert M, Regueiro JR, Díaz-Castroverde S. Response to Vaccines in Patients with Immune-Mediated Inflammatory Diseases: A Narrative Review. Vaccines (Basel) 2022; 10:297. [PMID: 35214755 PMCID: PMC8877652 DOI: 10.3390/vaccines10020297] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/26/2022] [Accepted: 02/13/2022] [Indexed: 12/28/2022] Open
Abstract
Patients with immune-mediated inflammatory diseases (IMIDs), such as rheumatoid arthritis and inflammatory bowel disease, are at increased risk of infection. International guidelines recommend vaccination to limit this risk of infection, although live attenuated vaccines are contraindicated once immunosuppressive therapy has begun. Biologic therapies used to treat IMIDs target the immune system to stop chronic pathogenic process but may also attenuate the protective immune response to vaccines. Here, we review the current knowledge regarding vaccine responses in IMID patients receiving treatment with biologic therapies, with a focus on the interleukin (IL)-12/23 inhibitors. B cell-depleting therapies, such as rituximab, strongly impair vaccines immunogenicity, and tumor necrosis factor (TNF) inhibitors and the cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) fusion protein abatacept are also associated with attenuated antibody responses, which are further diminished in patients taking concomitant immunosuppressants. On the other hand, integrin, IL-6, IL-12/23, IL-17, and B-cell activating factor (BAFF) inhibitors do not appear to affect the immune response to several vaccines evaluated. Importantly, treatment with biologic therapies in IMID patients is not associated with an increased risk of infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) or developing severe disease. However, the efficacy of SARS-CoV-2 vaccines on IMID patients may be reduced compared with healthy individuals. The impact of biologic therapies on the response to SARS-CoV-2 vaccines seems to replicate what has been described for other vaccines. SARS-CoV-2 vaccination appears to be safe and well tolerated in IMID patients. Attenuated but, in general, still protective responses to SARS-CoV-2 vaccination in the context of certain therapies warrant current recommendations for a third primary dose in IMID patients treated with immunosuppressive drugs.
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Affiliation(s)
| | - Miguel Salavert
- Infectious Disease Unit, Department of Clinical Medicine, La Fe Health Research Institute, Hospital Universitari i Politècnic La Fe, 46026 Valencia, Spain;
| | - José R. Regueiro
- Department of Immunology, Ophthalmology and ENT, School of Medicine, Complutense University, 12 de Octubre Health Research Institute (imas12), 28040 Madrid, Spain;
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Proportion of B cell subsets and Nrf2 mediated redox regulation in systemic lupus erythematosus patients. Immunobiology 2022; 227:152180. [PMID: 35032759 DOI: 10.1016/j.imbio.2022.152180] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 01/05/2022] [Accepted: 01/08/2022] [Indexed: 12/12/2022]
Abstract
Systemic lupus erythematosus (SLE) is characterized by expansion of autoreactive lymphocytes and impaired management of oxidative stress. Nuclear factor (erythroid-derived 2)-like 2 (Nrf2) plays a significant role in maintaining the redox homeostasis of cell. The present study aims to investigate the frequency of peripheral B cell subsets and the redox regulation by Nrf2 in SLE patients with variable disease activity. For this, a total of forty (40) SLE patients and twenty (20) age and gender-matched healthy controls (HCs) were recruited where patients with SLEDAI < 6 were grouped as Inactive SLE (n = 20) and patients with SLEDAI ≥ 6 were grouped as Active SLE (n = 20). A proportion of peripheral B cell subsets, level of ROS and expression of Nrf2 and Keap1 were studied with the help of flow cytometry and multiplex cytokine bead assay was exploited to estimate the serological concentration of cytokines. The frequency of B cell subsets was significantly altered and correlated with SLEDAI score. Concentration of IFNα2, IFN-β, BAFF, APRIL and IL-6 was also raised in active SLE patients. Moreover, the level of cytosolic ROS was universally decreased while mitochondrial ROS was increased in B cell subsets. The expression of Nrf2 and Keap1 (a negative regulator of Nrf2) was significantly increased in B cell subsets of SLE patients. Here, it has been demonstrated that the frequency of peripheral B cell subsets varies with modification in the SLE disease activity. The given data also demonstrated that the expression of Nrf2 is significantly heightened in B cell subsets to deal with free radical stress.
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Vij R, Tripathy M, Kim H, Park H, Cheng T, Lotfi D, Chang D. Frequency-dependent effect of intravenous administration of human adipose-derived mesenchymal stem cell therapy for severe Systemic Lupus Erythematosus: A case report. J Transl Autoimmun 2022; 5:100166. [PMID: 36187443 PMCID: PMC9523069 DOI: 10.1016/j.jtauto.2022.100166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/14/2022] [Accepted: 09/23/2022] [Indexed: 11/25/2022] Open
Abstract
Systemic Lupus Erythematosus (SLE) is a chronic autoimmune disease that involves abnormal activation of immune response, affecting multiple organs, including joints, kidneys, lungs, skin, and the hematopoietic system, thereby impairing their normal function. Despite there being no cure for SLE, Mesenchymal Stem Cell (MSC) therapy offers hope for SLE patients because of its potent role in immunomodulation. Here, we report a case of a 65-year-old female battling with SLE for almost 30 years and on a treatment regimen consisting of several medications. Given the level of immunosuppression associated with conventional SLE treatments, the subject was initially enrolled as a participant in a study protocol designed to provide immune protection against COVID-19. The subject received multiple infusions of autologous Hope Biosciences adipose-derived MSCs (HB-adMSCs) which significantly improved her SLE symptoms and functionality that led the patient's physician to discontinue her Rituximab regime. Based on her response to HB-adMSC therapy, the subject was approved to receive a set of nine infusion treatments to specifically treat her SLE symptoms. Over the course of ∼ one year, the first six infusions were given on a monthly basis, while the remaining three were administered bimonthly - each with a dose of 200 million HB-adMSCs. Since the beginning of the treatment, the subject showed remarkable improvements in her SLE symptoms, as demonstrated by changes in her SF-36 questionnaire responses, Visual Analog Scale (VAS) scores, and C-Reactive Protein (CRP) measurements; however, worsening of the symptoms was noted later during treatment course (when the frequency of infusions changed to bimonthly). Although the shift in remission-relapse cycle is not fully understood, however, the data suggest that treatment frequency might be the key player. No serious adverse events occurred during the entire treatment period. Further research is needed to evaluate the results of this study.
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40
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Chernova I, Craft J. Lupus nephritis and beyond: Kidney-intrinsic genetic risk for antibody deposition. Cell Rep Med 2021; 2:100479. [PMID: 35028618 PMCID: PMC8714907 DOI: 10.1016/j.xcrm.2021.100479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Antibody deposition is a defining pathological feature of multiple kidney diseases including lupus nephritis. In this issue of Cell Reports Medicine, Jiang and colleagues1 identify a novel genetic risk factor, VANGL1, which predisposes individuals toward antibody deposition via a kidney-intrinsic mechanism.
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Affiliation(s)
- Irene Chernova
- Section of Nephrology, Department of Internal Medicine, Yale School of Medicine, New Haven, CT 06520, USA
| | - Joe Craft
- Section of Rheumatology, Allergy, and Immunology, Department of Internal Medicine, Yale School of Medicine, New Haven, CT 06520, USA
- Department of Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA
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41
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Zhang Y, Tian J, Xiao F, Zheng L, Zhu X, Wu L, Zhao C, Wang S, Rui K, Zou H, Lu L. B cell-activating factor and its targeted therapy in autoimmune diseases. Cytokine Growth Factor Rev 2021; 64:57-70. [DOI: 10.1016/j.cytogfr.2021.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 12/18/2022]
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Yanis R, Bergua C, Christelle B, Maillot F, Bigot A, Beurier P, Ferreira-Maldent N, Diot E, Gouilleux-Gruart V. Neonatal Fc receptor expression in lymphoid and myeloid cells in systemic lupus erythematosus. Lupus 2021; 30:1938-1945. [PMID: 34634960 DOI: 10.1177/09612033211045049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The neonatal Fc receptor (FcRn) is a ubiquitously expressed protein historically involved in IgG and albumin recycling. Recent data suggest an involvement in the pathophysiology of antibody-mediated autoimmune diseases. Among them, systemic lupus erythematosus (SLE) implies clinical and biological abnormalities of innate and adaptive circulating immune cells, potentially involving newly described functions of FcRn. In this study, FcRn expression was assessed by flow cytometry in peripheral blood leukocytes of 41 SLE patients with either active or inactive disease and 32 healthy donors. FcRn expression in B cells, natural killer cells, and T cells of SLE patients was statistically lower as compared to healthy donors. Conversely, FcRn level was statistically higher in non-classical monocyte subpopulations (CD14+CD16+ monocytes) of SLE patients versus healthy donors providing an interesting perspective to further explore its role in SLE pathophysiology.
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Affiliation(s)
- Ramdani Yanis
- Groupement Innovation et Ciblage Cellulaire EA, 26928Tours University, Tours, France.,Internal Medicine Unit, 26928University Hospital of Tours, Tours, France
| | - Cécile Bergua
- Groupement Innovation et Ciblage Cellulaire EA, 26928Tours University, Tours, France
| | | | - François Maillot
- Internal Medicine Unit, 26928University Hospital of Tours, Tours, France
| | - Adrien Bigot
- Internal Medicine Unit, 26928University Hospital of Tours, Tours, France
| | - Pauline Beurier
- Internal Medicine Unit, 26928University Hospital of Tours, Tours, France
| | | | - Elisabeth Diot
- Internal Medicine Unit, 26928University Hospital of Tours, Tours, France
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Shi F, Xue R, Zhou X, Shen P, Wang S, Yang Y. Telitacicept as a BLyS/APRIL dual inhibitor for autoimmune disease. Immunopharmacol Immunotoxicol 2021; 43:666-673. [PMID: 34519594 DOI: 10.1080/08923973.2021.1973493] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The pathogenic roles for B cells in autoimmunity include produce pathogenic autoantibodies and modulate immune responses via the production of cytokines and chemokines. The B lymphocyte stimulator BLyS (also known as B-cell-activating factor, BAFF) and APRIL (a proliferation-inducing ligand) are critical factors in the maintenance of the B-cell pool and humoral immunity, namely BLyS modulates the differentiation and maturation of immature B cell, while APRIL modulates the function and survival of long-lived plasma cell, which plays a prominent role in the pathogenesis of autoimmune diseases. Telitacicept is a novel recombinant fusion protein of both the ligand-binding domain of the TACI receptor and the Fc component of human IgG and which is a BLyS/APRIL dual inhibitor. Moreover, telitacicept was developed by Remegen Co., Ltd. in China and is approved to treat systemic lupus erythematosus in China. We review the rationale, clinical evidence, and future perspectives of telitacicept for the treatment of autoimmune disease.HighlightThe B lymphocyte stimulator BLyS (also known as B-cell-activating factor, BAFF) and APRIL (a proliferation-inducing ligand), members of tumor necrosis factor (TNF) family, and which are critical factors in the maintenance of the B-cell pool and humoral immunity.BAFF and APRIL are implicated in the pathogenesis of several human autoimmune diseases with autoreactive B-cell involvement, and targeting both is beneficial for the treatment of autoimmune diseases.Telitacicept is a novel recombinant fusion protein of both the ligand-binding domain of the TACI receptor and the Fc component of human IgG, as a BLyS/APRIL dual inhibitor and which has been approved by National Medical Products Administration (MNPA) for the treatment of patients with SLE in China.With more clinical trials underway, telitacicept may also be approved for the treatment of other autoimmune diseases in the future.
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Affiliation(s)
- Fan Shi
- School of Stomatology of Qingdao University, Qingdao, China.,Department of Oral and Maxillofacial Surgery, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
| | - Ran Xue
- Department of Pharmacy, The First Affiliated Hospital of Xi 'an Jiaotong University, Chang'an District Hospital, Xi 'an, China
| | - Xuexiao Zhou
- School of Stomatology of Qingdao University, Qingdao, China.,Department of Oral and Maxillofacial Surgery, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
| | - Pei Shen
- School of Stomatology of Qingdao University, Qingdao, China.,Department of Oral and Maxillofacial Surgery, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
| | - Shengzhi Wang
- Department of Oral and Maxillofacial Surgery, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
| | - Yun Yang
- Department of Oral and Maxillofacial Surgery, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
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Schweighoffer E, Tybulewicz VL. BAFF signaling in health and disease. Curr Opin Immunol 2021; 71:124-131. [PMID: 34352467 DOI: 10.1016/j.coi.2021.06.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/09/2021] [Accepted: 06/18/2021] [Indexed: 11/29/2022]
Abstract
BAFF is a critical cytokine supporting the survival of mature naïve B cells, acting through the BAFFR receptor. Recent studies show that BAFF and BAFFR are also required for the survival of memory B cells, autoimmune B cells as well as malignant chronic lymphocytic leukaemia (CLL) cells. BAFFR cooperates with other receptors, notably the B cell antigen receptor (BCR), a process which is critical for the expansion of autoimmune and CLL cells. This crosstalk may be mediated by TRAF3 which interacts with BAFFR and with CD79A, a signalling subunit of the BCR and the downstream SYK kinase, inhibiting its activity. BAFF binding to BAFFR leads to degradation of TRAF3 which may relieve inhibition of SYK activity transducing signals to pathways required for B cell survival. BAFFR activates both canonical and non-canonical NF-κB signalling and both pathways play important roles in the survival of B cells and CLL cells.
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Affiliation(s)
| | - Victor Lj Tybulewicz
- The Francis Crick Institute, London NW1 1AT, UK; Department of Immunology & Inflammation, Imperial College London, London W12 0NN, UK.
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Understanding Accelerated Atherosclerosis in Systemic Lupus Erythematosus: Toward Better Treatment and Prevention. Inflammation 2021; 44:1663-1682. [PMID: 33821395 DOI: 10.1007/s10753-021-01455-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 03/01/2021] [Accepted: 03/18/2021] [Indexed: 12/13/2022]
Abstract
Systemic lupus erythematosus (SLE) carries a significant risk of cardiovascular disease (CVD). The prevalence of premature CVD is especially noteworthy because it occurs in premenopausal women with SLE who would otherwise have very low rates of CVD. While traditional risk factors likely play a role in development of CVD in the setting of SLE, they do not fully explain the excess risk. The pathogenesis of CVD in SLE is not fully understood, but the inflammatory nature of SLE is believed to be a key factor in accelerating atherosclerosis. Systemic inflammation may lead to an abnormal lipid profile with elevated triglycerides, total cholesterol, and low-density lipoprotein cholesterol and dysfunctional high-density lipoprotein cholesterol. Additionally, the inflammatory milieu of SLE plasma promotes endothelial dysfunction and vascular injury, early steps in the progression of atherosclerotic CVD. Despite the overall headway that has been achieved in treating lupus, innovative therapeutics specifically targeting the progression of atherosclerosis within the lupus population are currently lacking. However, there have been advancements in the development of promising modalities for diagnosis of subclinical atherosclerosis and detection of high CVD risk patients. Due to the significant impact of CVD on morbidity and mortality, research addressing prevention and treatment of CVD in SLE needs to be prioritized. This review explores the intricate interplay of SLE-specific properties that contribute to atherosclerosis and CVD within this population, as well as screening methods and possible therapies.
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Bilal M, Qindeel M, Nunes LV, Duarte MTS, Ferreira LFR, Soriano RN, Iqbal HMN. Marine-Derived Biologically Active Compounds for the Potential Treatment of Rheumatoid Arthritis. Mar Drugs 2020; 19:10. [PMID: 33383638 PMCID: PMC7823916 DOI: 10.3390/md19010010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/05/2020] [Accepted: 12/10/2020] [Indexed: 02/05/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic, systemic autoimmune disease with a prevalence rate of up to 1% and is significantly considered a common worldwide public health concern. Commercially, several traditional formulations are available to treat RA to some extent. However, these synthetic compounds exert toxicity and considerable side effects even at lower therapeutic concentrations. Considering the above-mentioned critiques, research is underway around the world in finding and exploiting potential alternatives. For instance, marine-derived biologically active compounds have gained much interest and are thus being extensively utilized to confront the confines of in practice counterparts, which have become ineffective for 21st-century medical settings. The utilization of naturally available bioactive compounds and their derivatives can minimize these synthetic compounds' problems to treat RA. Several marine-derived compounds exhibit anti-inflammatory and antioxidant properties and can be effectively used for therapeutic purposes against RA. The results of several studies ensured that the extraction of biologically active compounds from marine sources could provide a new and safe source for drug development against RA. Finally, current challenges, gaps, and future perspectives have been included in this review.
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Affiliation(s)
- Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China
| | - Maimoona Qindeel
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan;
| | - Leonardo Vieira Nunes
- Department of Medicine, Federal University of Juiz de Fora, Juiz de Fora-MG 36036-900, Brazil;
| | | | - Luiz Fernando Romanholo Ferreira
- Graduate Program in Process Engineering, Tiradentes University (UNIT), Av. Murilo Dantas, 300, Farolândia, Aracaju-Sergipe 49032-490, Brazil;
- Institute of Technology and Research (ITP), Tiradentes University (UNIT), Av. Murilo Dantas, 300, Farolândia, Aracaju-Sergipe 49032-490, Brazil
| | - Renato Nery Soriano
- Division of Physiology and Biophysics, Department of Basic Life Sciences, Federal University of Juiz de Fora, Governador Valadares-MG 35010-180, Brazil;
| | - Hafiz M. N. Iqbal
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
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