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Prediction of Antibody Viscosity from Dilute Solution Measurements 根据稀释溶液测量结果预测抗体粘度
IF 4.7
Antibodies Pub Date : 2023-12-01 DOI: 10.3390/antib12040078
Kamal Bhandari, Yangjie Wei, Brendan R. Amer, Emma M. Pelegri-O’Day, Joon Huh, J. Schmit
{"title":"Prediction of Antibody Viscosity from Dilute Solution Measurements","authors":"Kamal Bhandari, Yangjie Wei, Brendan R. Amer, Emma M. Pelegri-O’Day, Joon Huh, J. Schmit","doi":"10.3390/antib12040078","DOIUrl":"https://doi.org/10.3390/antib12040078","url":null,"abstract":"The high antibody doses required to achieve a therapeutic effect often necessitate high-concentration products that can lead to challenging viscosity issues in production and delivery. Predicting antibody viscosity in early development can play a pivotal role in reducing late-stage development costs. In recent years, numerous efforts have been made to predict antibody viscosity through dilute solution measurements. A key finding is that the entanglement of long, flexible complexes contributes to the sharp rise in antibody viscosity at the required dosing. This entanglement model establishes a connection between the two-body binding affinity and the many-body viscosity. Exploiting this insight, this study connects dilute solution measurements of self-association to high-concentration viscosity profiles to quantify the relationship between these regimes. The resulting model has exhibited success in predicting viscosity at high concentrations (around 150 mg/mL) from dilute solution measurements, with only a few outliers remaining. Our physics-based approach provides an understanding of fundamental physics, interpretable connections to experimental data, the potential to extrapolate beyond training conditions, and the capacity to effectively explain the physical mechanics behind these outliers. Conducting hypothesis-driven experiments that specifically target the viscosity and relaxation mechanisms of outlier molecules may allow us to unravel the intricacies of their behavior and, in turn, enhance the performance of our model.","PeriodicalId":8188,"journal":{"name":"Antibodies","volume":null,"pages":null},"PeriodicalIF":4.7,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138623060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Factors Associated with SARS-CoV-2 Infection Evaluated by Antibody Response in a Sample of Workers from the Emilia-Romagna Region, Northern Italy 通过对意大利北部艾米利亚-罗马涅大区工人样本的抗体反应评估与 SARS-CoV-2 感染有关的因素
IF 4.7
Antibodies Pub Date : 2023-12-01 DOI: 10.3390/antib12040077
S. Paduano, Michele Granata, Sara Turchi, A. Modenese, Pasquale Galante, A. Poggi, I. Marchesi, G. Frezza, Giulia Dervishaj, Roberto Vivoli, Sara Verri, Simona Marchetti, F. Gobba, A. Bargellini
{"title":"Factors Associated with SARS-CoV-2 Infection Evaluated by Antibody Response in a Sample of Workers from the Emilia-Romagna Region, Northern Italy","authors":"S. Paduano, Michele Granata, Sara Turchi, A. Modenese, Pasquale Galante, A. Poggi, I. Marchesi, G. Frezza, Giulia Dervishaj, Roberto Vivoli, Sara Verri, Simona Marchetti, F. Gobba, A. Bargellini","doi":"10.3390/antib12040077","DOIUrl":"https://doi.org/10.3390/antib12040077","url":null,"abstract":"Factors associated with SARS-CoV-2 infection risk are still debated. This case–control study aims to investigate the possible relationship between SARS-CoV-2 infection, evaluated through antibody response, and the main sociodemographic, occupational, clinical-anamnestic, and biochemical factors in a population of Modena province (Northern Italy), mainly workers. Both workers who voluntarily joined the screening campaign proposed by companies and self-referred individuals who underwent serological testing were enrolled. Subjects with antibody positivity were recruited as cases (n = 166) and subjects tested negative (n = 239) as controls. A questionnaire on sociodemographic, occupational, and clinical data was administered through telephone interviews. Serum zinc/iron/copper/chromium/nickel, vitamins D/B12, folates, triglycerides, and LDL/HDL/total cholesterol were measured. Cases lived more often in urban areas (61.8% vs. 57%). Cases and controls did not differ significantly by working macrocategories, but the percentage of workers in the ceramic sector was higher among cases. Low adherence to preventive measures in the workplace was more frequent among seropositives. Folate concentration was significantly lower among cases. Therefore, adequate folate levels, living in rural areas, and good adherence to preventive strategies seem protective against infection. Workers in the ceramic sector seem to be at greater risk; specific factors involved are not defined, but preventive interventions are needed.","PeriodicalId":8188,"journal":{"name":"Antibodies","volume":null,"pages":null},"PeriodicalIF":4.7,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138624685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Real-Life Use of Component-Specific IgE in IgE-Mediated Cow's Milk Protein Allergy in a Spanish Paediatric Allergy Centre. 在西班牙儿科过敏中心,在IgE介导的牛奶蛋白过敏中实际使用成分特异性IgE。
IF 4.7
Antibodies Pub Date : 2023-11-17 DOI: 10.3390/antib12040076
Caoimhe Cronin, Cristina Muñoz Archidona, Beatriz Fernández Prudencio, Aoife Gallagher, Roberto Velasco Zuniga, Juan Trujillo Wurttele
{"title":"Real-Life Use of Component-Specific IgE in IgE-Mediated Cow's Milk Protein Allergy in a Spanish Paediatric Allergy Centre.","authors":"Caoimhe Cronin, Cristina Muñoz Archidona, Beatriz Fernández Prudencio, Aoife Gallagher, Roberto Velasco Zuniga, Juan Trujillo Wurttele","doi":"10.3390/antib12040076","DOIUrl":"10.3390/antib12040076","url":null,"abstract":"Background: In Spain, IgE-mediated cow’s milk protein allergy (CMPA) affects approximately 0.69% of infants. Molecular diagnosis may be useful for monitoring natural spontaneous tolerance development in CMPA. The aim of this study was to retrospectively analyse a cohort of paediatric patients with IgE-mediated CMPA who were avoiding milk products awaiting natural tolerance and determine the relationship between disease persistence and major cow’s milk allergens. Methods: A retrospective chart review of 200 patients diagnosed with IgE-mediated CMPA between 2011 and 2020 was conducted. Patients strictly avoided milk products until an oral food challenge was performed. The main outcome was the introduction of liquid milk following a negative oral food challenge and its correlation with IgE and SPT measurements of milk components at diagnosis. Secondary outcomes included the rate of allergic reactions and anaphylaxis during the treatment period and its correlation with IgE and SPT measurements. Results: Of the 200 charts analysed, 122 patients had a negative oral food challenge to milk (61.0%) (95% confidence interval (CI): 54.1–67.5) following a period of strict avoidance of milk. Higher levels of component-specific IgE, especially casein, were associated with failure in the oral food challenge (p = 0.02). Allergic reactions were experienced by 106 children (53%), of which 34 (17%; 95% CI: 12.4–22.8) had anaphylactic reactions. The risk of anaphylaxis was not predicted by raised IgE levels. Conclusions: While a large proportion of children acquired natural tolerance to cow’s milk following a period of strict avoidance, IgE-mediated CMPA persisted in many children. Casein IgE levels at diagnosis were raised in those who failed to achieve natural tolerance. Allergic reactions to milk, including anaphylaxis, occurred commonly, but this was not predicted by raised IgE levels or SPT measurements.","PeriodicalId":8188,"journal":{"name":"Antibodies","volume":null,"pages":null},"PeriodicalIF":4.7,"publicationDate":"2023-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10660737/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138175442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Expanding the Anti-Phl p 7 Antibody Toolkit: An Anti-Idiotype Nanobody Inhibitor. 扩展抗php7抗体工具包:抗独特型纳米体抑制剂。
IF 4.7
Antibodies Pub Date : 2023-11-16 DOI: 10.3390/antib12040075
Susan K Vester, Anna M Davies, Rebecca L Beavil, Balraj S Sandhar, Andrew J Beavil, Hannah J Gould, Brian J Sutton, James M McDonnell
{"title":"Expanding the Anti-Phl p 7 Antibody Toolkit: An Anti-Idiotype Nanobody Inhibitor.","authors":"Susan K Vester, Anna M Davies, Rebecca L Beavil, Balraj S Sandhar, Andrew J Beavil, Hannah J Gould, Brian J Sutton, James M McDonnell","doi":"10.3390/antib12040075","DOIUrl":"10.3390/antib12040075","url":null,"abstract":"<p><p>We have previously produced a toolkit of antibodies, comprising recombinant human antibodies of all but one of the human isotypes, directed against the polcalcin family antigen Phl p 7. In this work, we complete the toolkit of human antibody isotypes with the IgD version of the anti-Phl p 7 monoclonal antibody. We also raised a set of nanobodies against the IgD anti-Phl p 7 antibody and identify and characterize one paratope-specific nanobody. This nanobody also binds to the IgE isotype of this antibody, which shares the same idiotype, and orthosterically inhibits the interaction with Phl p 7. The 2.1 Å resolution X-ray crystal structure of the nanobody in complex with the IgD Fab is described.</p>","PeriodicalId":8188,"journal":{"name":"Antibodies","volume":null,"pages":null},"PeriodicalIF":4.7,"publicationDate":"2023-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10660547/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138175441","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Role of Antibody-Based Therapies in Neuro-Oncology 基于抗体的治疗在神经肿瘤中的作用
Antibodies Pub Date : 2023-11-13 DOI: 10.3390/antib12040074
Rishab Ramapriyan, Jing Sun, Annabel Curry, Leland G. Richardson, Tarun Ramesh, Matthew A. Gaffey, Patrick C. Gedeon, Elizabeth R. Gerstner, William T. Curry, Bryan D. Choi
{"title":"The Role of Antibody-Based Therapies in Neuro-Oncology","authors":"Rishab Ramapriyan, Jing Sun, Annabel Curry, Leland G. Richardson, Tarun Ramesh, Matthew A. Gaffey, Patrick C. Gedeon, Elizabeth R. Gerstner, William T. Curry, Bryan D. Choi","doi":"10.3390/antib12040074","DOIUrl":"https://doi.org/10.3390/antib12040074","url":null,"abstract":"This review explores the evolving landscape of antibody-based therapies in neuro-oncology, in particular, immune checkpoint inhibitors and immunomodulatory antibodies. We discuss their mechanisms of action, blood-brain barrier (BBB) penetration, and experience in neuro-oncological conditions. Evidence from recent trials indicates that while these therapies can modulate the tumor immune microenvironment, their clinical benefits remain uncertain, largely due to challenges with BBB penetration and tumor-derived immunosuppression. This review also examines emerging targets such as TIGIT and LAG3, the potential of antibodies in modulating the myeloid compartment, and tumor-specific targets for monoclonal antibody therapy. We further delve into advanced strategies such as antibody–drug conjugates and bispecific T cell engagers. Lastly, we explore innovative techniques being investigated to enhance antibody delivery, including CAR T cell therapy. Despite current limitations, these therapies hold significant therapeutic potential for neuro-oncology. Future research should focus on optimizing antibody delivery to the CNS, identifying novel biological targets, and discovering combination therapies to address the hostile tumor microenvironment.","PeriodicalId":8188,"journal":{"name":"Antibodies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136351742","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Anti-RSV Nucleoprotein Monoclonal Antibody Pairs Discovered Using Rabbit Phage Display Technology 利用兔噬菌体展示技术发现新的抗rsv核蛋白单克隆抗体对
Antibodies Pub Date : 2023-11-08 DOI: 10.3390/antib12040073
Pierre-Emmanuel Baurand, Jérémy Balland, Emilia Galli, Suvi Eklin, Rémy Bruley, Laurence Ringenbach
{"title":"New Anti-RSV Nucleoprotein Monoclonal Antibody Pairs Discovered Using Rabbit Phage Display Technology","authors":"Pierre-Emmanuel Baurand, Jérémy Balland, Emilia Galli, Suvi Eklin, Rémy Bruley, Laurence Ringenbach","doi":"10.3390/antib12040073","DOIUrl":"https://doi.org/10.3390/antib12040073","url":null,"abstract":"Human respiratory syncytial virus (hRSV) is one of the major contagious viruses and causes complicated respiratory issues, especially in young children. The sensitive and fast detection of hRSV is critical for taking the most effective actions. In the present study, rabbit antibodies against the hRSV nucleoprotein (NP) were developed using phage display technology. A female rabbit was immunized with an hRSV strain A2 recombinant NP. A Fab library was built and sorted during two successive panning rounds for strain B and the A2 NP (recombinant preparations), respectively. The choice of candidates was performed using ELISA on the two NP strains. The obtained library was 3 × 106 cfu/mL, with an insertion rate of &gt;95%. The two panning rounds permitted an enrichment factor of 100. ELISA screening allowed us to obtain 28 NP-specific Fab candidates. Among them, 10 retained candidates were reformatted into rabbit full IgG; thereafter, pairing tests on the recombinant strains and native lysate samples were performed. After the pairing tests on the recombinant strains, 53 pairs were identified. Eleven pairs were identified as being able to detect RSVs from native lysates. This work presents new high-potential monoclonal antibodies mAbs (mAbs), which would benefit from lateral flow testing data with patient materials.","PeriodicalId":8188,"journal":{"name":"Antibodies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135392606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of Two Chemoenzymatic Glycan Remodeling Approaches to Generate Site-Specific Antibody–Drug Conjugates 两种产生位点特异性抗体-药物偶联物的化学酶聚糖重塑方法的评价
Antibodies Pub Date : 2023-11-03 DOI: 10.3390/antib12040071
Qiang Yang, He Chen, Chong Ou, Zhihao Zheng, Xiao Zhang, Yunpeng Liu, Guanghui Zong, Lai-Xi Wang
{"title":"Evaluation of Two Chemoenzymatic Glycan Remodeling Approaches to Generate Site-Specific Antibody–Drug Conjugates","authors":"Qiang Yang, He Chen, Chong Ou, Zhihao Zheng, Xiao Zhang, Yunpeng Liu, Guanghui Zong, Lai-Xi Wang","doi":"10.3390/antib12040071","DOIUrl":"https://doi.org/10.3390/antib12040071","url":null,"abstract":"Fc-glycosite-specific antibody–drug conjugation represents a promising direction for the preparation of site-specific antibody–drug conjugates (ADCs). In the present research, we conducted a systemic evaluation of two endoglycosidase-catalyzed chemoenzymatic glycoengineering technologies to prepare glycosite-specific ADCs. In the first two-step approach, the antibody was deglycosylated and then reglycosylated with a modified intact N-glycan oxazoline. In the second one-pot approach, antibodies were deglycosylated and simultaneously glycosylated with a functionalized disaccharide oxazoline. For the comprehensive evaluation, we first optimized and scaled-up the preparation of azido glycan oxazolines. Afterwards, we proved that the one-pot glycan-remodeling approach was efficient for all IgG subclasses. Subsequently, we assembled respective ADCS using two technology routes, with two different linker-payloads combinations, and performed systemic in vitro and in vivo evaluations. All the prepared ADCs achieved high homogeneity and illustrated excellent stability in buffers with minimum aggregates, and exceptional stability in rat serum. All ADCs displayed a potent killing of BT-474 breast cancer cells. Moving to the mouse study, the ADCs prepared from two technology routes displayed potent and similar efficacy in a BT-474 xenograft model, which was comparable to an FDA-approved ADC generated from random conjugation. These ADCs also demonstrated excellent safety and did not cause body weight loss at the tested dosages.","PeriodicalId":8188,"journal":{"name":"Antibodies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135819210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elevated IgE Levels—An Allergy or an Underlying Inborn Error of Immunity in Children with Recurrent Infections? 反复感染儿童的IgE水平升高是过敏还是先天免疫缺陷?
Antibodies Pub Date : 2023-11-03 DOI: 10.3390/antib12040070
Polina Kostova, Vera Papochieva, Dimitrinka Miteva, Bilyana Georgieva, Sirma Mileva, Martin Shahid, Tsvetelin Lukanov, Guergana Petrova
{"title":"Elevated IgE Levels—An Allergy or an Underlying Inborn Error of Immunity in Children with Recurrent Infections?","authors":"Polina Kostova, Vera Papochieva, Dimitrinka Miteva, Bilyana Georgieva, Sirma Mileva, Martin Shahid, Tsvetelin Lukanov, Guergana Petrova","doi":"10.3390/antib12040070","DOIUrl":"https://doi.org/10.3390/antib12040070","url":null,"abstract":"Elevated immunoglobulin E (IgE) is a hallmark of allergic diseases. However, high IgE levels also occur in a number of other infectious and noninfectious diseases. In most cases, elevated IgE levels indicate allergy, eczema, or chronic skin infection. Very high IgE levels are not uncommon in patients with active eczema but more often indicate monogenic atopic disorder or inborn errors of immunity with an atopic phenotype. We conducted a retrospective study of 385 children with suspected immune deficiency referred to the clinic over a 9-year period. Measurement of IgE, IgG, IgA, IgM, and IgG subclasses in blood samples revealed that nearly one-third of the patients had elevated serum IgE levels. Most of the cases with elevated IgE were children with underlying atopy—mainly atopic dermatitis and, to a lesser extent, bronchial asthma—whereas 40.12% (37 children) had no atopy at all. In the most severe cases (with extremely elevated IgE or severe dermatitis), we confirmed genetic mutations for underlying immunodeficiency. Our results indicate that allergic phenotype should not be underestimated and that children with more severe allergic disease should be evaluated for an underlying inborn error of immunity. If inborn error of immunity (IEI) is suspected, a comprehensive immunologic evaluation is required. Genetic testing helps identify the specific genetic abnormality, which provides important insight into the immunopathogenesis of the disease and accurate determination of optimal therapy.","PeriodicalId":8188,"journal":{"name":"Antibodies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135819209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trends in the Development of Antibody-Drug Conjugates for Cancer Therapy 用于癌症治疗的抗体-药物偶联物的发展趋势
Antibodies Pub Date : 2023-11-03 DOI: 10.3390/antib12040072
Chi Hun Song, Minchan Jeong, Hyukmin In, Ji Hoe Kim, Chih-Wei Lin, Kyung Ho Han
{"title":"Trends in the Development of Antibody-Drug Conjugates for Cancer Therapy","authors":"Chi Hun Song, Minchan Jeong, Hyukmin In, Ji Hoe Kim, Chih-Wei Lin, Kyung Ho Han","doi":"10.3390/antib12040072","DOIUrl":"https://doi.org/10.3390/antib12040072","url":null,"abstract":"In cancer treatment, the first-generation, cytotoxic drugs, though effective against cancer cells, also harmed healthy ones. The second-generation targeted cancer cells precisely to inhibit their growth. Enter the third-generation, consisting of immuno-oncology drugs, designed to combat drug resistance and bolster the immune system’s defenses. These advanced therapies operate by obstructing the uncontrolled growth and spread of cancer cells through the body, ultimately eliminating them effectively. Within the arsenal of cancer treatment, monoclonal antibodies offer several advantages, including inducing cancer cell apoptosis, precise targeting, prolonged presence in the body, and minimal side effects. A recent development in cancer therapy is Antibody-Drug Conjugates (ADCs), initially developed in the mid-20th century. The second generation of ADCs addressed this issue through innovative antibody modification techniques, such as DAR regulation, amino acid substitutions, incorporation of non-natural amino acids, and enzymatic drug attachment. Currently, a third generation of ADCs is in development. This study presents an overview of 12 available ADCs, reviews 71 recent research papers, and analyzes 128 clinical trial reports. The overarching objective is to gain insights into the prevailing trends in ADC research and development, with a particular focus on emerging frontiers like potential targets, linkers, and drug payloads within the realm of cancer treatment.","PeriodicalId":8188,"journal":{"name":"Antibodies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135819211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
When Autoantibodies Are Missing: The Challenge of Seronegative Rheumatoid Arthritis 当自身抗体缺失:血清阴性类风湿性关节炎的挑战
Antibodies Pub Date : 2023-10-31 DOI: 10.3390/antib12040069
Marino Paroli, Maria Isabella Sirinian
{"title":"When Autoantibodies Are Missing: The Challenge of Seronegative Rheumatoid Arthritis","authors":"Marino Paroli, Maria Isabella Sirinian","doi":"10.3390/antib12040069","DOIUrl":"https://doi.org/10.3390/antib12040069","url":null,"abstract":"Seronegative rheumatoid arthritis (SNRA) is characterized by the absence of both rheumatoid factor (RF) and antibodies against the cyclic citrullinated protein (ACPA) in serum. However, the differences between the two forms of RA are more complex and have not yet been definitively characterized. Several lines of evidences support the idea that there are specific elements of the two forms, including genetic background, epidemiology, pathogenesis, severity of progression over time, and response to therapy. Clinical features that may differentiate SNRA from SPRA are also suggested by data obtained from classical radiology and newer imaging techniques. Although new evidence seems to provide additional help in differentiating the two forms of RA, their distinguishing features remain largely elusive. It should also be emphasized that the distinctive features of RA forms, if not properly recognized, can lead to the underdiagnosis of SNRA, potentially missing the period called the “window of opportunity” that is critical for early diagnosis, timely treatment, and better prognosis. This review aims to summarize the data provided in the scientific literature with the goal of helping clinicians diagnose SNRA as accurately as possible, with emphasis on the most recent findings available.","PeriodicalId":8188,"journal":{"name":"Antibodies","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135809321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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