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36 Results Found

  • Review
  • Open Access
21 Citations
4,758 Views
10 Pages

ERAP1 and ERAP2 Enzymes: A Protective Shield for RAS against COVID-19?

  • Silvia D’Amico,
  • Patrizia Tempora,
  • Valeria Lucarini,
  • Ombretta Melaiu,
  • Stefania Gaspari,
  • Mattia Algeri and
  • Doriana Fruci

8 February 2021

Patients with coronavirus disease 2019 (COVID-19) have a wide variety of clinical outcomes ranging from asymptomatic to severe respiratory syndrome that can progress to life-threatening lung lesions. The identification of prognostic factors can help...

  • Review
  • Open Access
13 Citations
5,562 Views
17 Pages

The Role of Aminopeptidase ERAP1 in Human Pathology—A Review

  • Laura Țiburcă,
  • Dana Carmen Zaha,
  • Maria Claudia Jurca,
  • Emilia Severin,
  • Aurora Jurca and
  • Alexandru Daniel Jurca

20 February 2024

Aminopeptidases are a group of enzymatic proteins crucial for protein digestion, catalyzing the cleavage of amino acids at the N-terminus of peptides. Among them are ERAP1 (coding for endoplasmic reticulum aminopeptidase 1), ERAP2 (coding for endopla...

  • Review
  • Open Access
27 Citations
5,466 Views
15 Pages

The Impact of the ‘Mis-Peptidome’ on HLA Class I-Mediated Diseases: Contribution of ERAP1 and ERAP2 and Effects on the Immune Response

  • Valentina Tedeschi,
  • Giorgia Paldino,
  • Fabiana Paladini,
  • Benedetta Mattorre,
  • Loretta Tuosto,
  • Rosa Sorrentino and
  • Maria Teresa Fiorillo

17 December 2020

The strong association with the Major Histocompatibility Complex (MHC) class I genes represents a shared trait for a group of autoimmune/autoinflammatory disorders having in common immunopathogenetic basis as well as clinical features. Accordingly, t...

  • Article
  • Open Access
6 Citations
3,492 Views
16 Pages

Functional ERAP1 Variants Distinctively Associate with Ankylosing Spondylitis Susceptibility under the Influence of HLA-B27 in Taiwanese

  • Chin-Man Wang,
  • Ming-Kun Liu,
  • Yeong-Jian Jan Wu,
  • Jing-Chi Lin,
  • Jian-Wen Zheng,
  • Jianming Wu and
  • Ji-Yih Chen

5 August 2022

Epistasis of ERAP1 single nucleotide variations (SNVs) and HLA-B27 has been linked to ankylosing spondylitis susceptibility (AS). The current study examined how prevalent ERAP1 allelic variants (SNV haplotypes) in Taiwan affect ERAP1 functions and AS...

  • Article
  • Open Access
8 Citations
3,076 Views
19 Pages

ERAP1 and ERAP2 Haplotypes Influence Suboptimal HLA-B*27:05-Restricted Anti-Viral CD8+ T Cell Responses Cross-Reactive to Self-Epitopes

  • Valentina Tedeschi,
  • Giorgia Paldino,
  • Josephine Alba,
  • Emanuele Molteni,
  • Fabiana Paladini,
  • Rossana Scrivo,
  • Mattia Congia,
  • Alberto Cauli,
  • Rosalba Caccavale and
  • Maria Teresa Fiorillo
  • + 5 authors

28 August 2023

The human leukocyte antigen (HLA)-B*27 family of alleles is strongly associated with ankylosing spondylitis (AS), a chronic inflammatory disorder affecting the axial and peripheral joints, yet some HLA-B*27 variants not associated with AS have been s...

  • Review
  • Open Access
10 Citations
3,833 Views
19 Pages

Impact of Natural Occurring ERAP1 Single Nucleotide Polymorphisms within miRNA-Binding Sites on HCMV Infection

  • Ombretta Melaiu,
  • Silvia D’Amico,
  • Patrizia Tempora,
  • Valeria Lucarini and
  • Doriana Fruci

15 August 2020

Human cytomegalovirus (HCMV) is a β-herpesvirus that causes serious problems in people with a compromised immune system, whereas it coexists asymptomatically within the host with a healthy immune system. Like other viruses, HCMV has adopted mult...

  • Article
  • Open Access
8 Citations
3,357 Views
18 Pages

A Short ERAP2 That Binds IRAP Is Expressed in Macrophages Independently of Gene Variation

  • Benedetta Mattorre,
  • Silvana Caristi,
  • Simona Donato,
  • Emilia Volpe,
  • Marika Faiella,
  • Alessandro Paiardini,
  • Rosa Sorrentino and
  • Fabiana Paladini

The M1 zinc metalloproteases ERAP1, ERAP2, and IRAP play a role in HLA-I antigen presentation by refining the peptidome either in the ER (ERAP1 and ERAP2) or in the endosomes (IRAP). They have also been entrusted with other, although less defined, fu...

  • Review
  • Open Access
40 Citations
8,123 Views
23 Pages

An Overview on ERAP Roles in Infectious Diseases

  • Irma Saulle,
  • Chiara Vicentini,
  • Mario Clerici and
  • Mara Biasin

14 March 2020

Endoplasmic reticulum (ER) aminopeptidases ERAP1 and ERAP2 (ERAPs) are crucial enzymes shaping the major histocompatibility complex I (MHC I) immunopeptidome. In the ER, these enzymes cooperate in trimming the N-terminal residues from precursors pept...

  • Article
  • Open Access
9 Citations
3,564 Views
13 Pages

Interaction between ERAP Alleles and HLA Class I Types Support a Role of Antigen Presentation in Hodgkin Lymphoma Development

  • Peijia Jiang,
  • Rianne N. Veenstra,
  • Annika Seitz,
  • Ilja M. Nolte,
  • Bouke G. Hepkema,
  • Lydia Visser,
  • Anke van den Berg and
  • Arjan Diepstra

22 January 2021

Genetic variants in the HLA region are the strongest risk factors for developing Hodgkin lymphoma (HL), suggesting an important role for antigen presentation. This is supported by another HL-associated genomic region which contains the loci of two en...

  • Article
  • Open Access
32 Citations
4,796 Views
14 Pages

A New ERAP2/Iso3 Isoform Expression Is Triggered by Different Microbial Stimuli in Human Cells. Could It Play a Role in the Modulation of SARS-CoV-2 Infection?

  • Irma Saulle,
  • Claudia Vanetti,
  • Sara Goglia,
  • Chiara Vicentini,
  • Enrico Tombetti,
  • Micaela Garziano,
  • Mario Clerici and
  • Mara Biasin

24 August 2020

Following influenza infection, rs2248374-G ERAP2 expressing cells may transcribe an alternative spliced isoform: ERAP2/Iso3. This variant, unlike ERAP2-wt, is unable to trim peptides to be loaded on MHC class I molecules, but it can still dimerize wi...

  • Article
  • Open Access
8 Citations
8,582 Views
15 Pages

ERAP/HLA-C and KIR Genetic Profile in Couples with Recurrent Implantation Failure

  • Karolina Piekarska,
  • Paweł Radwan,
  • Agnieszka Tarnowska,
  • Michał Radwan,
  • Jacek R. Wilczyński,
  • Andrzej Malinowski and
  • Izabela Nowak

19 October 2022

Proper embryo implantation depends on the tolerance of the maternal immune system to the fetus and its foreign paternal antigens. During implantation and early pregnancy, the dominant leukocytes in the uterus are uterine NK cells, expressing killer i...

  • Article
  • Open Access
6 Citations
3,707 Views
13 Pages

Overexpression of ERAP2N in Human Trophoblast Cells Promotes Cell Death

  • Kristen Lospinoso,
  • Mikhail Dozmorov,
  • Nadine El Fawal,
  • Rhea Raghu,
  • Wook-Jin Chae and
  • Eun D. Lee

10 August 2021

The genes involved in implantation and placentation are tightly regulated to ensure a healthy pregnancy. The endoplasmic reticulum aminopeptidase 2 (ERAP2) gene is associated with preeclampsia (PE). Our studies have determined that an isoform of ERAP...

  • Article
  • Open Access
2,268 Views
10 Pages

Impact of ACE and Endoplasmic Reticulum Aminopeptidases Polymorphisms on COVID-19 Outcome

  • Amany A. Ghazy,
  • Abdulrahman H. Almaeen,
  • Ibrahim A. Taher,
  • Abdullah N. Alrasheedi and
  • Amel Elsheredy

Background: COVID-19 outcomes display multiple unexpected varieties, ranging from unnoticed symptomless infection to death, without any previous alarm or known aggravating factors. Aim: To appraise the impact of ACErs4291(A/T) and ERAP1rs26618(T/C) h...

  • Review
  • Open Access
4 Citations
3,479 Views
16 Pages

9 February 2023

The fundamental basis of pregnancy and cancer is to determine the fate of the survival or the death of humanity. However, the development of fetuses and tumors share many similarities and differences, making them two sides of the same coin. This revi...

  • Review
  • Open Access
24 Citations
10,812 Views
24 Pages

16 November 2023

Behçet’s disease (BD) is a complex, recurring inflammatory disorder with autoinflammatory and autoimmune components. This comprehensive review aims to explore BD’s pathogenesis, focusing on established genetic factors. Studies reve...

  • Article
  • Open Access
13 Citations
3,842 Views
12 Pages

ERAP2 Inhibition Induces Cell-Surface Presentation by MOLT-4 Leukemia Cancer Cells of Many Novel and Potentially Antigenic Peptides

  • Ioannis Temponeras,
  • George Stamatakis,
  • Martina Samiotaki,
  • Dimitris Georgiadis,
  • Harris Pratsinis,
  • George Panayotou and
  • Efstratios Stratikos

8 February 2022

Recent studies have linked the activity of ER aminopeptidase 2 (ERAP2) to increased efficacy of immune-checkpoint inhibitor cancer immunotherapy, suggesting that pharmacological inhibition of ERAP2 could have important therapeutic implications. To ex...

  • Review
  • Open Access
78 Citations
12,148 Views
15 Pages

Role of Endoplasmic Reticulum Aminopeptidases in Health and Disease: from Infection to Cancer

  • Loredana Cifaldi,
  • Paolo Romania,
  • Silvia Lorenzi,
  • Franco Locatelli and
  • Doriana Fruci

4 July 2012

Endoplasmic reticulum (ER) aminopeptidases ERAP1 and ERAP2 (ERAPs) are essential for the maturation of a wide spectrum of proteins involved in various biological processes. In the ER, these enzymes work in concert to trim peptides for presentation on...

  • Article
  • Open Access
4 Citations
3,224 Views
17 Pages

Searching for New Genetic Biomarkers of Axial Spondyloarthritis

  • Bartosz Bugaj,
  • Joanna Wielińska,
  • Katarzyna Bogunia-Kubik and
  • Jerzy Świerkot

20 May 2022

Background: Axial spondyloarthritis (axSpA) is a chronic inflammatory condition of the spine. In addition to musculoskeletal symptoms, there are also extra-articular manifestations. The aim of this study was to search for new biomarkers associated wi...

  • Article
  • Open Access
3 Citations
2,904 Views
9 Pages

Contribution of Antigen-Processing Machinery Genetic Polymorphisms to Atopic Dermatitis

  • Wanda Niepiekło-Miniewska,
  • Łukasz Matusiak,
  • Joanna Narbutt,
  • Alekandra Lesiak,
  • Piotr Kuna,
  • Andrzej Wiśniewski and
  • Piotr Kuśnierczyk

10 April 2021

Atopic dermatitis (AD) is a chronic and recurrent inflammatory dermatosis. We recently described an association of the C allele of the single nucleotide polymorphism (SNP) rs26618 in the ERAP1 gene and a synergism of ERAP1 and ERAP2 effects on AD ris...

  • Review
  • Open Access
97 Citations
13,541 Views
20 Pages

20 October 2020

Spondyloarthritis comprises a group of inflammatory diseases of the joints and spine, with various clinical manifestations. The group includes ankylosing spondylitis, reactive arthritis, psoriatic arthritis, arthritis associated with inflammatory bow...

  • Review
  • Open Access
29 Citations
8,058 Views
19 Pages

The Genetics of Spondyloarthritis

  • Roberto Díaz-Peña,
  • Patricia Castro-Santos,
  • Josefina Durán,
  • Catalina Santiago and
  • Alejandro Lucia

2 October 2020

The term spondyloarthritis (SpA) encompasses a group of chronic inflammatory diseases with common features in terms of clinical presentation and genetic predisposition. SpA is characterized by inflammation of the spine and peripheral joints, and is a...

  • Article
  • Open Access
8 Citations
2,253 Views
18 Pages

26 March 2024

How climate change and human activities drive the evolution of the regional environment and where the quality of ecosystems improve or decline over time have become widespread concerns. In this study, we took the Three-River-Source (TRS) region of th...

  • Article
  • Open Access
47 Citations
7,578 Views
21 Pages

Aminopeptidase Expression in Multiple Myeloma Associates with Disease Progression and Sensitivity to Melflufen

  • Juho J. Miettinen,
  • Romika Kumari,
  • Gunnhildur Asta Traustadottir,
  • Maiju-Emilia Huppunen,
  • Philipp Sergeev,
  • Muntasir M. Majumder,
  • Alexander Schepsky,
  • Thorarinn Gudjonsson,
  • Juha Lievonen and
  • Caroline A. Heckman
  • + 8 authors

26 March 2021

Multiple myeloma (MM) is characterized by extensive immunoglobulin production leading to an excessive load on protein homeostasis in tumor cells. Aminopeptidases contribute to proteolysis by catalyzing the hydrolysis of amino acids from proteins or p...

  • Article
  • Open Access
6 Citations
2,707 Views
14 Pages

Thoracic Endovascular Aortic Repair (TEVAR) First in Patients with Lower Limb Ischemia in Complicated Type B Aortic Dissection: Clinical Outcome and Morphology

  • Katrin Meisenbacher,
  • Matthias Hagedorn,
  • Denis Skrypnik,
  • Samuel Kilian,
  • Dittmar Böckler,
  • Moritz S. Bischoff and
  • Andreas S. Peters

17 July 2022

Acute Type B aortic dissection (TBAD) can cause organ malperfusion, e.g., lower limb ischemia (LLI). Thoracic endovascular aortic repair (TEVAR) represents the standard treatment for complicated TBAD; however, with respect to LLI, data is scant. The...

  • Review
  • Open Access
30 Citations
7,535 Views
17 Pages

Birdshot Chorioretinopathy: A Review

  • Elodie Bousquet,
  • Pierre Duraffour,
  • Louis Debillon,
  • Swathi Somisetty,
  • Dominique Monnet and
  • Antoine P. Brézin

16 August 2022

Birdshot chorioretinopathy (BSCR) is a bilateral chronic inflammation of the eye with no extraocular manifestations. BSCR affects middle-aged individuals from European descent and is strongly associated with the human leucocyte antigen (HLA)-A29 alle...

  • Review
  • Open Access
8 Citations
4,944 Views
11 Pages

Primary Immunodeficiency Disease Mimicking Pediatric Bechet’s Disease

  • Mayuka Shiraki,
  • Saori Kadowaki,
  • Tomonori Kadowaki,
  • Norio Kawamoto and
  • Hidenori Ohnishi

22 January 2021

Behcet’s disease (BD) is a chronic inflammatory disease with multisystemic involvement. Its etiology is considered to involve complex environmental and genetic factors. Several susceptibility genes for BD, such as human leukocyte antigen (HLA)-...

  • Article
  • Open Access
9 Citations
4,407 Views
14 Pages

Discovery of Selective Inhibitor Leads by Targeting an Allosteric Site in Insulin-Regulated Aminopeptidase

  • Ioannis Temponeras,
  • Lykourgos Chiniadis,
  • Athanasios Papakyriakou and
  • Efstratios Stratikos

Insulin-Regulated aminopeptidase (IRAP) is a zinc-dependent aminopeptidase with several important biological functions and is an emerging pharmaceutical target for cognitive enhancement and immune system regulation. Aiming to discover lead-like IRAP...

  • Article
  • Open Access
6 Citations
3,368 Views
22 Pages

Immune Landscape and an RBM38-Associated Immune Prognostic Model with Laboratory Verification in Malignant Melanoma

  • Jinfang Liu,
  • Jun Xu,
  • Binlin Luo,
  • Jian Tang,
  • Zuoqiong Hou,
  • Zhechen Zhu,
  • Lingjun Zhu,
  • Gang Yao and
  • Chujun Li

21 March 2022

Background: Current studies have revealed that RNA-binding protein RBM38 is closely related to tumor development, while its role in malignant melanoma remains unclear. Therefore, this research aimed to investigate the function of RBM38 in melanoma an...

  • Feature Paper
  • Article
  • Open Access
3 Citations
3,381 Views
22 Pages

Sequential Colocalization of ERa, PR, and AR Hormone Receptors Using Confocal Microscopy Enables New Insights into Normal Breast and Prostate Tissue and Cancers

  • Miguel Chenlo,
  • Elvin Aliyev,
  • Joana S. Rodrigues,
  • Paula Vieiro-Balo,
  • Manuel N. Blanco Freire,
  • José Manuel Cameselle-Teijeiro and
  • Clara V. Alvarez

30 November 2020

Multiplex immunohistochemistry (mIHC) use markers staining different cell populations applying widefield optical microscopy. Resolution is low not resolving subcellular co-localization. We sought to colocalize markers at subcellular level with antibo...

  • Article
  • Open Access
2 Citations
3,169 Views
17 Pages

24 May 2023

Genome-wide association studies (GWAS) have revealed approximately 100 genomic signals associated with Hodgkin lymphoma (HL); however, their target genes and underlying mechanisms causing HL susceptibility remain unclear. In this study, transcriptome...

  • Article
  • Open Access
23 Citations
7,070 Views
22 Pages

Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease characterized by the loss of upper and lower motor neurons, which eventually may lead to death. Critical to the mission of developing effective therapies for ALS is the di...

  • Article
  • Open Access
5 Citations
3,773 Views
19 Pages

Association between Maternal and Fetal Genetic Variants and Preeclampsia: Evidence from a Meta-Analysis

  • Tung Nguyen-Thanh,
  • Phuong-Thao Nguyen-Vu,
  • Quy-Anh Le-Thi,
  • Thao-Nguyen Phan-Thi and
  • Thi-Minh-Thi Ha

The objective of this meta-analysis was to evaluate the association between maternal and fetal genetic variants and the risk of preeclampsia, a pregnancy-related condition that affects women. Despite the unclear role of these genetic factors in the d...

  • Review
  • Open Access
46 Citations
5,380 Views
13 Pages

Immunogenetic Predictors of Severe COVID-19

  • Anna Malkova,
  • Dmitriy Kudlay,
  • Igor Kudryavtsev,
  • Anna Starshinova,
  • Piotr Yablonskiy and
  • Yehuda Shoenfeld

According to an analysis of published data, only 20% of patients with the new coronavirus infection develop severe life-threatening complications. Currently, there are no known biomarkers, the determination of which before the onset of the disease wo...

  • Article
  • Open Access
9 Citations
4,966 Views
23 Pages

Alterations in HLA Class I-Presented Immunopeptidome and Class I-Interactome upon Osimertinib Resistance in EGFR Mutant Lung Adenocarcinoma

  • Yue A. Qi,
  • Tapan K. Maity,
  • Shaojian Gao,
  • Tao Gong,
  • Meriam Bahta,
  • Abhilash Venugopalan,
  • Xu Zhang and
  • Udayan Guha

4 October 2021

Immune checkpoint inhibitor (ICI) therapy has been a paradigm shift in the treatment of cancer. ICI therapy results in durable responses and survival benefit for a large number of tumor types. Osimertinib, a third-generation epidermal growth factor r...

  • Article
  • Open Access
8 Citations
2,651 Views
17 Pages

17 November 2022

Purpose: Pancreatic adenocarcinoma (PAAD) is one of the most lethal malignancies, with less than 10% of patients surviving more than 5 years. Existing biomarkers for reliable survival rate prediction need to be enhanced. As a result, the objective of...

  • Systematic Review
  • Open Access
5 Citations
8,718 Views
33 Pages

The Genetic Background of Ankylosing Spondylitis Reveals a Distinct Overlap with Autoimmune Diseases: A Systematic Review

  • Theodora Zormpa,
  • Trias Thireou,
  • Apostolos Beloukas,
  • Dimitrios Chaniotis,
  • Rebecca Golfinopoulou,
  • Dimitrios Vlachakis,
  • Elias Eliopoulos and
  • Louis Papageorgiou

23 May 2025

Background: Ankylosing Spondylitis (AS) is a rare autoinflammatory disorder affecting 0.1–1.4% of the population, with increasing recognition over the past 20 years. Although the specific causes of AS remain unclear, the presence of the HLA-B27...