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Aguilan JT, Lim J, Racine-Brzostek S, Fischer J, Silvescu C, Cornett S, Nieves E, Mendu DR, Aliste CM, Semple S, Angeletti R, Weiss LM, Cole A, Prystowsky M, Pullman J, Sidoli S. Effect of dynamic exclusion and the use of FAIMS, DIA and MALDI-mass spectrometry imaging with ion mobility on amyloid protein identification. Clin Proteomics 2024; 21:47. [PMID: 38961380 PMCID: PMC11223398 DOI: 10.1186/s12014-024-09500-w] [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: 03/18/2024] [Accepted: 06/26/2024] [Indexed: 07/05/2024] Open
Abstract
Amyloidosis is a disease characterized by local and systemic extracellular deposition of amyloid protein fibrils where its excessive accumulation in tissues and resistance to degradation can lead to organ failure. Diagnosis is challenging because of approximately 36 different amyloid protein subtypes. Imaging methods like immunohistochemistry and the use of Congo red staining of amyloid proteins for laser capture microdissection combined with liquid chromatography tandem mass spectrometry (LMD/LC-MS/MS) are two diagnostic methods currently used depending on the expertise of the pathology laboratory. Here, we demonstrate a streamlined in situ amyloid peptide spatial mapping by Matrix Assisted Laser Desorption Ionization-Mass Spectrometry Imaging (MALDI-MSI) combined with Trapped Ion Mobility Spectrometry for potential transthyretin (ATTR) amyloidosis subtyping. While we utilized the standard LMD/LC-MS/MS workflow for amyloid subtyping of 31 specimens from different organs, we also evaluated the potential introduction in the MS workflow variations in data acquisition parameters like dynamic exclusion, or testing Data Dependent Acquisition combined with High-Field Asymmetric Waveform Ion Mobility Spectrometry (DDA FAIMS) versus Data Independent Acquisition (DIA) for enhanced amyloid protein identification at shorter acquisition times. We also demonstrate the use of Mascot's Error Tolerant Search and PEAKS de novo sequencing for the sequence variant analysis of amyloidosis specimens.
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Affiliation(s)
- Jennifer T Aguilan
- Laboratory for Macromolecular Analysis and Proteomics Facility, Albert Einstein College of Medicine, New York, 10461, USA
- Department of Pathology, Albert Einstein College of Medicine, New York, 10461, USA
- Montefiore Medical Center, Moses and Weiler Campus, New York, 10461, USA
| | - Jihyeon Lim
- Janssen Research and Development, Malvern, PA, USA
| | | | | | | | | | - Edward Nieves
- Laboratory for Macromolecular Analysis and Proteomics Facility, Albert Einstein College of Medicine, New York, 10461, USA
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Damodara Rao Mendu
- Clinical Chemistry Laboratory, Mount Sinai School of Medicine, New York, USA
| | - Carlos-Madrid Aliste
- Laboratory for Macromolecular Analysis and Proteomics Facility, Albert Einstein College of Medicine, New York, 10461, USA
- Department of Systems and Computational Biology, Albert Einstein College of Medicine, New York, 10461, USA
| | | | - Ruth Angeletti
- Laboratory for Macromolecular Analysis and Proteomics Facility, Albert Einstein College of Medicine, New York, 10461, USA
| | - Louis M Weiss
- Department of Pathology, Albert Einstein College of Medicine, New York, 10461, USA
- Montefiore Medical Center, Moses and Weiler Campus, New York, 10461, USA
| | - Adam Cole
- Montefiore Medical Center, Moses and Weiler Campus, New York, 10461, USA
| | - Michael Prystowsky
- Department of Pathology, Albert Einstein College of Medicine, New York, 10461, USA
- Montefiore Medical Center, Moses and Weiler Campus, New York, 10461, USA
| | - James Pullman
- Montefiore Medical Center, Moses and Weiler Campus, New York, 10461, USA
| | - Simone Sidoli
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, NY, 10461, USA.
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Mirioglu S, Uludag O, Hurdogan O, Kumru G, Berke I, Doumas SA, Frangou E, Gul A. AA Amyloidosis: A Contemporary View. Curr Rheumatol Rep 2024; 26:248-259. [PMID: 38568326 PMCID: PMC11219434 DOI: 10.1007/s11926-024-01147-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/23/2024] [Indexed: 07/03/2024]
Abstract
PURPOSE OF REVIEW Amyloid A (AA) amyloidosis is an organ- or life-threatening complication of chronic inflammatory disorders. Here, we review the epidemiology, causes, pathogenesis, clinical features, and diagnostic and therapeutic strategies of AA amyloidosis. RECENT FINDINGS The incidence of AA amyloidosis has declined due to better treatment of the underlying diseases. Histopathological examination is the gold standard of diagnosis, but magnetic resonance imaging can be used to detect cardiac involvement. There is yet no treatment option for the clearance of amyloid fibril deposits; therefore, the management strategy primarily aims to reduce serum amyloid A protein. Anti-inflammatory biologic agents have drastically expanded our therapeutic armamentarium. Kidney transplantation is preferred in patients with kidney failure, and the recurrence of amyloidosis in the allograft has become rare as transplant recipients have started to benefit from the new agents. The management of AA amyloidosis has been considerably changed over the recent years due to the novel therapeutic options aiming to control inflammatory activity. New agents capable of clearing amyloid deposits from the tissues are still needed.
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Affiliation(s)
- Safak Mirioglu
- Division of Nephrology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey.
- Department of Immunology, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey.
| | - Omer Uludag
- Division of Rheumatology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Ozge Hurdogan
- Department of Pathology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Gizem Kumru
- Division of Nephrology, Ankara University Faculty of Medicine, Ankara, Turkey
| | - Ilay Berke
- Division of Nephrology, Marmara University School of Medicine, Istanbul, Turkey
| | - Stavros A Doumas
- Department of Medicine, MedStar Georgetown University Hospital, Washington, DC, USA
| | - Eleni Frangou
- Department of Nephrology, Limassol General Hospital, State Health Services Organization, Limassol, Cyprus
- University of Nicosia Medical School, Nicosia, Cyprus
| | - Ahmet Gul
- Division of Rheumatology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
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Goldis R, Kaplan B, Arad M, Dispenzieri A, Dasari S, Kukuy OL, Simon AJ, Dori A, Shavit-Stein E, Ziv T, Murray D, Kourelis T, Gertz MA, Dominissini D, Magen H, Muchtar E. Amino acid sequence homology of monoclonal serum free light chain dimers and tissue deposited light chains in AL amyloidosis: a pilot study. Clin Chem Lab Med 2024; 62:464-471. [PMID: 37747270 DOI: 10.1515/cclm-2023-0591] [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: 06/06/2023] [Accepted: 09/12/2023] [Indexed: 09/26/2023]
Abstract
OBJECTIVES Diagnosis of light chain amyloidosis (AL) requires demonstration of amyloid deposits in a tissue biopsy followed by appropriate typing. Previous studies demonstrated increased dimerization of monoclonal serum free light chains (FLCs) as a pathological feature of AL. To further examine the pathogenicity of FLC, we aimed at testing amino acid sequence homology between circulating and deposited light chains (LCs). METHODS Matched tissue biopsy and serum of 10 AL patients were subjected to tissue proteomic amyloid typing and nephelometric FLC assay, respectively. Serum FLC monomers (M) and dimers (D) were analyzed by Western blotting (WB) and mass spectrometry (MS). RESULTS WB of serum FLCs showed predominance of either κ or λ type, in agreement with the nephelometric assay data. Abnormal FLC M-D patterns typical of AL amyloidosis were demonstrated in 8 AL-λ patients and in one of two AL-κ patients: increased levels of monoclonal FLC dimers, high D/M ratio values of involved FLCs, and high ratios of involved to uninvolved dimeric FLCs. MS of serum FLC dimers showed predominant constant domain sequences, in concordance with the tissue proteomic amyloid typing. Most importantly, variable domain sequence homology between circulating and deposited LC species was demonstrated, mainly in AL-λ cases. CONCLUSIONS This is the first study to demonstrate homology between circulating FLCs and tissue-deposited LCs in AL-λ amyloidosis. The applied methodology can facilitate studying the pathogenicity of circulating FLC dimers in AL amyloidosis. The study also highlights the potential of FLC monomer and dimer analysis as a non-invasive screening tool for this disease.
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Affiliation(s)
- Rivka Goldis
- Department of Neurology, Sheba Medical Center, Ramat Gan, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Batia Kaplan
- Institute of Hematology and Sheba Cancer Research Center, Sheba Medical Center, Ramat Gan, Israel
| | - Michael Arad
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Heart Failure Institute, Leviev Heart Center, Sheba Medical Center, Ramat Gan, Israel
| | | | - Surendra Dasari
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Olga Lesya Kukuy
- Institute of Nephrology and Hypertension, Sheba Medical Center, Ramat Gan, Israel
| | - Amos J Simon
- Institute of Hematology and Sheba Cancer Research Center, Sheba Medical Center, Ramat Gan, Israel
| | - Amir Dori
- Department of Neurology, Sheba Medical Center, Ramat Gan, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Efrat Shavit-Stein
- Department of Neurology, Sheba Medical Center, Ramat Gan, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Tamar Ziv
- Smoler Protein Center, Faculty of Biology, Technion - Israel Institute of Technology, Haifa, Israel
| | - David Murray
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | | | - Morie A Gertz
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
| | - Dan Dominissini
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- The Genomics Unit, Sheba Cancer Research Center, Sheba Medical Center, Ramat Gan, Israel
- Wohl Institute of Translational Medicine, Sheba Medical Center, Ramat Gan, Israel
| | - Hila Magen
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Multiple Myeloma Unit, Hematology Department, Sheba Medical Center, Ramat Gan, Israel
| | - Eli Muchtar
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
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Fedotov SA, Khrabrova MS, Vashukova ES, Glotov AS, Anpilova AO, Dobronravov VA, Velizhanina ME, Rubel AA. Diagnostics of preeclampsia based on Congo red binding to urinary components: Rationales and limitations. PLoS One 2024; 19:e0297144. [PMID: 38241324 PMCID: PMC10798433 DOI: 10.1371/journal.pone.0297144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 12/28/2023] [Indexed: 01/21/2024] Open
Abstract
Preeclampsia is a disorder that can occur during pregnancy and is one of the leading causes of death among pregnant women. This disorder occurs after the 20th week of pregnancy and is characterized by arterial hypertension, proteinuria, fetoplacental, and multiple organ dysfunctions. Despite the long history of studying preeclampsia, its etiology and pathogenesis remain poorly understood, and therapy is symptomatic. One of the factors of the disorder is believed to be misfolded proteins that are prone to form amyloid aggregates. The CRD tests, utilizing the binding of the amyloid-specific dye Congo red to urine components, demonstrate high efficiency in diagnosing preeclampsia. However, these tests have also been found to be positive in other disorders with proteinuria, presumably associated with concomitant amyloidosis. To assess the limitations of the CRD tests, we examined urine congophilia and protein components mediating Congo red positivity in patients with proteinuria, including preeclampsia, amyloid and non-amyloid nephropathies. We stained the urine samples and calculated congophilia levels. We also assessed the contribution of large protein aggregates to congophilia values using ultracentrifugation and determined the molecular weights of congophilic urinary proteins using centrifugal concentrators. All proteinuric groups demonstrate positive results in the CRD tests and congophilia levels were more than two times higher compared with the control non-proteinuric groups (p <0.01). There was a strong correlation between urine protein excretion and congophilia in amyloid nephropathy (rs = 0.76), non-amyloid nephropathies (rs = 0.90), and preeclampsia (rs = 0.90). Removal of large aggregates from urine did not affect the congophilia levels. Separation of urine protein fractions revealed congophilic components in the range of 30-100 kDa, including monomeric serum albumin. Our results indicate limitations of CRD tests in preeclampsia diagnostics in women with renal disorders and underscore the need for further research on the mechanisms of Congo red binding with urine components.
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Affiliation(s)
- Sergei A. Fedotov
- Laboratory of Amyloid Biology, Saint Petersburg University, St. Petersburg, Russia
- Laboratory of Toxinology and Molecular Systematics, L.A. Orbeli Institute of Physiology, National Academy of Sciences of the Republic of Armenia, Yerevan, Armenia
- Laboratory of Comparative Behavioral Genetics, Pavlov Institute of Physiology, Russian Academy of Sciences, St. Petersburg, Russia
| | - Maria S. Khrabrova
- Laboratory of Amyloid Biology, Saint Petersburg University, St. Petersburg, Russia
- Department of Propaedeutics of Internal disease, Pavlov University, St. Petersburg, Russia
| | - Elena S. Vashukova
- Department of Genomic Medicine, D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, St. Petersburg, Russia
| | - Andrey S. Glotov
- Department of Genomic Medicine, D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, St. Petersburg, Russia
| | - Anastasia O. Anpilova
- Laboratory of Amyloid Biology, Saint Petersburg University, St. Petersburg, Russia
- Research Institute of Nephrology, Pavlov University, St. Petersburg, Russia
| | | | - Maria E. Velizhanina
- Laboratory of Amyloid Biology, Saint Petersburg University, St. Petersburg, Russia
| | - Aleksandr A. Rubel
- Laboratory of Amyloid Biology, Saint Petersburg University, St. Petersburg, Russia
- Department of Genetics and Biotechnology, St. Petersburg State University, St. Petersburg, Russia
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Chernoff YO, Nizhnikov AA. Overview of the Special Issue "Protein-Based Infection, Inheritance, and Memory". Int J Mol Sci 2023; 24:11280. [PMID: 37511040 PMCID: PMC10379973 DOI: 10.3390/ijms241411280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 06/30/2023] [Indexed: 07/30/2023] Open
Abstract
The Special Issue "Protein-Based Infection, Inheritance, and Memory" includes a set of experimental and review papers covering different aspects of protein memory, infection, and inheritance [...].
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Affiliation(s)
- Yury O Chernoff
- School of Biological Sciences, Georgia Institute of Technology, Krone EBB, 950 Atlantic Drive NW, Atlanta, GA 30332-2000, USA
| | - Anton A Nizhnikov
- Laboratory for Proteomics of Supra-Organismal Systems, All-Russian Research Institute for Agricultural Microbiology, 3 Podbelskogo Sh., Pushkin, 196608 St. Petersburg, Russia
- Faculty of Biology, St. Petersburg State University, 7/9 Universitetskaya Emb., 199034 St. Petersburg, Russia
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