298 results match your criteria: "Amyloidosis Overview"

Rationale: Cerebral amyloid angiopathy-related inflammation (CAA-ri) is a treatable condition characterized by an acute or subacute onset, with its primary pathological hallmark being the deposition of amyloid, predominantly β-amyloid (Aβ), within intracranial microvessels. Despite its potential for treatment, CAA-ri is a rare disorder that is frequently underrecognized by clinicians in practice. This article provides a comprehensive overview of the clinical manifestations and therapeutic approaches associated with CAA-ri, aiming to enhance awareness among healthcare professionals.

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An older man with progressive short-term memory loss and confusion.

JAAPA

January 2025

Beverly Reynolds practices at the VA Boston Healthcare System in West Roxbury, Mass. Rosalind McLaine is director of clinical operations at Alzheon, Inc., in Framingham, Mass. The authors have disclosed no potential conflicts of interest, financial or otherwise.

A 72-year-old man with progressive memory loss and confusion presented to a neurology clinic for evaluation. He initially had difficulty remembering names and misplaced objects; however, his memory deficits had progressed, and more recently he had numerous car accidents and difficulty managing his own medications and finances. Cognitive testing revealed significant memory deficits reflecting moderate-stage dementia, and his brain MRI showed several cortical microbleeds and an area of siderosis consistent with the diagnosis of cerebral amyloid angiopathy (CAA).

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PRIMARY SYSTEMIC AMYLOIDOSIS: A BRIEF OVERVIEW.

Presse Med

December 2024

Department of Hematology/Oncology, Columbia University Irving Medical Center, 161 Fort Washington Avenue, 6GN-435, New York, NY 10032.

Primary systemic amyloidosis, or light chain (AL) amyloidosis, is a rare lymphoproliferative disorder in which aberrant light-chain immunoglobulins secreted into the bloodstream aggregate into fibrils and deposit into tissues, causing widespread organ damage and, if not treated, death. This review provides a comprehensive summary of the pathophysiology and manifestations of AL amyloidosis; standard-of-care diagnostic approach; typical treatment regimens; and areas of active investigation.

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From experimental studies to computational approaches: recent trends in designing novel therapeutics for amyloidogenesis.

J Mater Chem B

December 2024

Centre for Health Science & Technology, JIS Institute of Advanced Studies & Research (JISIASR) Kolkata, JIS University, GP Block, Sector-5, Salt Lake, Kolkata 700091, West Bengal, India.

Amyloidosis is a condition marked by misfolded proteins that build up in tissues and eventually destroy organs. It has been connected to a number of fatal illnesses, including non-neuropathic and neurodegenerative conditions, which in turn have a significant influence on the worldwide health sector. The inability to identify the underlying etiology of amyloidosis has hampered efforts to find a treatment for the condition.

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Mevalonate kinase deficiency (MKD), a rare auto-inflammatory disorder, arises from mutations in the gene, disrupting isoprenoid biosynthesis, and affecting cellular processes. This comprehensive review provides an updated perspective on MKD, including its aetiology, pathogenesis, diagnostic modalities, and therapeutic strategies. Based on recent research and clinical advances, our objective is to bridge the knowledge gaps in the 2015 SHARE guidelines.

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Recent Advances and Prospects in RNA Drug Development.

Int J Mol Sci

November 2024

Department of Health Pharmacy, Yokohama University of Pharmacy, 601 Matano, Totsuka, Yokohama 245-0066, Japan.

Article Synopsis
  • RNA therapeutics have evolved significantly since the late 1970s, providing new treatment options for challenging diseases through modalities like ASOs, siRNAs, miRNAs, and mRNAs.
  • * The discovery of synthetic oligonucleotides and RNA interference laid the groundwork, while mRNA vaccines during the COVID-19 pandemic propelled interest in RNA-based therapies.
  • * Despite challenges such as stability and delivery, advancements in technology and AI are enhancing the field, with successes seen in treatments for specific genetic disorders and the potential for personalized medicine in the future.*
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Current and Emerging Immunotherapies for Systemic AL Amyloidosis.

Discov Med

September 2024

Department of Hematology-Oncology, Myeloma and Amyloidosis Program, Maroone Cancer Center, Cleveland Clinic Florida, Weston, FL 33331, USA.

Article Synopsis
  • Systemic light-chain (AL) amyloidosis is a rare condition caused by misfolded immunoglobulin light chains that accumulate in organs, leading to dysfunction and failure, especially when the heart is involved.* -
  • Treatment primarily focuses on eliminating the abnormal plasma cell growth, with the current first-line therapy being a combination of four drugs known as DaraCyborD; some patients may require stem cell transplants if this approach is insufficient.* -
  • Recent advancements include the use of monoclonal antibodies, like CAEL 101 and Birtamimab, aimed at breaking down amyloid deposits in affected organs, currently being tested in phase 3 trials for patients with significant cardiac involvement.*
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Article Synopsis
  • - Recent advancements in positron emission tomography (PET) tracers have improved our ability to image brain inflammation and neurotransmitter systems, aiding in the treatment of neurodegenerative and psychiatric disorders.
  • - Innovative tracers in cancer research allow for detailed imaging of tumors’ metabolic and molecular features, essential for personalized therapies and monitoring treatment responses like radiotherapy.
  • - New tracers have been created not just for neurological and oncological uses, but also for other medical applications such as adrenal imaging, amyloidosis detection, and HIV infection assessment.
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Imaging modalities in cardiac amyloidosis.

Curr Probl Cardiol

December 2024

Department of Cardiovascular Medicine, Johns Hopkins University, Baltimore, MD, USA. Electronic address:

Article Synopsis
  • Cardiac amyloidosis (CA) is a condition where amyloid fibrils infiltrate the heart muscle, leading to restrictive cardiomyopathy, with the two main types being transthyretin (ATTR) and immunoglobulin light chain (AL).
  • ATTR is divided into wild-type (ATTRwt) and hereditary (ATTRv) forms, and the disease is becoming a recognized cause of heart failure.
  • Advances in diagnostic methods such as electrocardiography, echocardiography, and scintigraphy are improving the early detection of CA, essential for timely treatment and better patient outcomes.
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Article Synopsis
  • Cardiac amyloidosis (CA) is a severe condition resulting from amyloid fibril buildup in the heart, leading to heart failure, with transthyretin and light-chain types being the most common.
  • Advances in diagnostics, including cardiac MRI and AI, have improved early detection and management of CA, allowing for better intervention strategies.
  • Management includes volume control and medications like tafamidis, but ongoing research is crucial for new treatments and enhancing AI application in clinical settings.
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Polyoxometalates: metallodrug agents for combating amyloid aggregation.

Natl Sci Rev

July 2024

Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.

Article Synopsis
  • - Alzheimer's disease (AD) is a serious neurodegenerative disorder that impacts around 50 million people worldwide, primarily characterized by the buildup of amyloid-β (Aβ) plaques that contribute to its development.
  • - Polyoxometalates (POMs) are a new type of metallodrug being researched for their ability to interact with and potentially reduce Aβ aggregation due to their unique structures and properties.
  • - This review highlights the progress made in utilizing POMs for addressing amyloidosis, including the relationships between their structural characteristics and their effectiveness against Aβ, while also considering the challenges and future possibilities for using POMs in Alzheimer’s treatment.
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Diagnosis and management of arrhythmogenic cardiomyopathy: a case report.

Eur Heart J Case Rep

July 2024

Division of Cardiovascular Medicine, Department of Medicine, Medical College of Wisconsin, 8701 W Watertown Plank Rd, Milwaukee, WI 53226, USA.

Article Synopsis
  • Arrhythmogenic cardiomyopathy (ACM) is a genetic heart condition that leads to thinning of the heart walls and can cause sudden death, particularly in young individuals; it often affects both sides of the heart and may be hard to diagnose due to varying symptoms.
  • A case study discusses a 22-year-old Black male who experienced palpitations and syncope, ultimately diagnosed with biventricular ACM through cardiac MRI and genetic testing, which confirmed multiple genetic mutations.
  • Effective management includes timely diagnosis, genetic counseling for family members, and the use of defibrillators to prevent life-threatening heart rhythms, highlighting the need for careful risk assessment and monitoring of ACM patients.
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Article Synopsis
  • Hereditary transthyretin amyloidosis (ATTR) is a serious genetic disorder caused by a mutation in the transthyretin gene, leading to harmful misfolding and buildup of amyloid in organs, resulting in severe nerve and heart issues.
  • Existing treatments like liver transplantation and stabilizers have limitations, but RNA interference (RNAi) has emerged as a promising new approach, with the drug patisiran introduced in 2018 showing significant potential.
  • The study reviews various RNAi-based therapies for ATTR, including patisiran, vutrisiran, inotersen, and eplontersen, focusing on their effects on patients' quality of life,
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Article Synopsis
  • * Recent advancements in treatment include new RNA interference therapies, Vutrisiran and Eplontersen, which have shown potential in improving symptoms, quality of life, and biological markers in clinical trials.
  • * Ongoing research is essential to enhance understanding of these therapies and to explore new treatment options, aiming to better meet the diverse needs of patients affected by ATTRv amyloidosis globally.
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Morphological features and types of aggregated structures.

Prog Mol Biol Transl Sci

May 2024

Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Institute for Biological Instrumentation, Pushchino, Russia; Department of Molecular Medicine and USF Health Byrd Alzheimer's Research Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, United States. Electronic address:

Article Synopsis
  • Protein aggregation occurs when proteins fold incorrectly, leading to the formation of amyloid fibrils, which are linked to diseases like Alzheimer's and Parkinson's.
  • * Advances in imaging techniques, such as X-ray diffraction and cryo-electron microscopy, have improved our understanding of the complex structures of amyloid fibrils.
  • * This chapter summarizes recent research on protein aggregation, emphasizing the diverse structures of amyloids and their relevance to misfolding diseases.
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[Arrhythmias and amyloidosis].

Herzschrittmacherther Elektrophysiol

September 2024

Medizinische Klinik 3-Kardiologie/Angiologie, Department of Cardiology, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60596, Frankfurt, Deutschland.

Article Synopsis
  • Cardiac amyloidosis is a heart condition caused by the buildup of amyloid fibrils in the heart muscle, leading to issues like heart failure and arrhythmias.
  • Atrial fibrillation occurs in up to 80% of patients at diagnosis, and there is a heightened risk of blood clots, even without this arrhythmia present.
  • Patients often experience conduction system diseases that may require pacemakers, while the use of defibrillators remains a debated option in treatment.
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Cardiac amyloidosis at a glance.

Br J Nurs

May 2024

Advanced Practice Nurse, University Heart & Vascular Center, University Hospital Frankfurt, Germany.

Article Synopsis
  • Amyloidosis is a condition where amyloid fibrils deposit in various organs, potentially leading to serious issues like cardiac amyloidosis, which is progressive and life-threatening.
  • Advances in imaging and increased awareness suggest that cardiac amyloidosis may be more common than previously thought, despite being classified as rare.
  • The article discusses its causes, symptoms, and highlights the importance of nurses recognizing red flags for early referral to specialists, which can improve patient outcomes.
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Article Synopsis
  • - Cardiac amyloidosis (CA) is a heart condition where amyloid fibrils build up in the heart muscle, leading to cardiomyopathy and potentially affecting heart valves.
  • - There is limited information on how common valvular heart disease (VHD) is in patients with CA, but improved imaging techniques have enhanced diagnosis and understanding of the relationship between the two.
  • - Advances in targeted therapies for CA and interventions like transcatheter valve replacement have significantly improved patient outcomes, and current research aims to further explore these connections in diagnosing and treating CA with VHD.
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Thromboprophylaxis in multiple myeloma: a case-based review with practical guidelines.

Ann Hematol

October 2024

Multiple Myeloma and Amyloidosis Program, Columbia University Irving Medical Center, Herbert Irving Comprehensive Cancer Center, New York, NY, USA.

Article Synopsis
  • * Three validated models—SAVED, IMPEDE-VTE, and PRISM—help predict VTE risk in newly diagnosed myeloma, considering various patient and treatment factors for personalized care.
  • * The review highlights current data on VTE prevention and recommends specific use cases for direct oral anticoagulants, aiming to guide clinicians in improving prophylaxis and management for myeloma patients.
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Neurofilament Light Chains in Systemic Amyloidosis: A Systematic Review.

Int J Mol Sci

March 2024

Department of Rheumatology & Clinical Immunology, Amyloidosis Center of Expertise, University Medical Center Groningen, 9700 RB Groningen, The Netherlands.

Article Synopsis
  • A systematic review analyzed studies on NfL levels in patients with systemic amyloidosis, including data from 1604 participants, revealing that higher NfL levels indicate the presence of polyneuropathy.
  • The findings suggest NfL can be useful for early detection, monitoring of disease progression, and evaluating treatment responses in systemic amyloidosis, though it shouldn't be used as a final outcome measure.
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Article Synopsis
  • - Light chain amyloidosis is a serious plasma-cell disorder that leads to severe organ damage and poor prognosis, causing significant pain and disability for patients.
  • - Treatment is complicated and includes chemotherapy, pain management, and addressing symptoms, necessitating clear communication about goals and limitations of therapy for patients and families.
  • - Integrating palliative care can enhance the quality of life for patients, reduce healthcare costs, and minimize hospital visits, emphasizing the importance of comprehensive support in managing AL amyloidosis.
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Article Synopsis
  • - AL amyloidosis is a condition caused by the overproduction of faulty immunoglobulins, leading to harmful amyloid fibrils that primarily affect the heart and kidneys, with symptoms like fatigue and weight loss often causing delayed diagnosis.
  • - The Pavia renal staging model helps predict the need for dialysis, and the combination treatment of daratumumab with cyclophosphamide, bortezomib, and dexamethasone has shown effectiveness in improving kidney function and reducing early mortality in patients, as seen in the ANDROMEDA trial.
  • - Challenges remain in treating relapsed cases due to individual patient differences, but promising indicators like the t(11:14) genetic change may enhance responses to certain therapies,
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[Update: Heart Failure with Preserved Ejection Fraction].

Dtsch Med Wochenschr

March 2024

Medizinische Klinik und Poliklinik I, Deutsches Zentrum für Herzinsuffizienz, Universitätsklinikum Würzburg, Würzburg, Germany.

Article Synopsis
  • Heart failure with preserved ejection fraction (HFpEF) poses diagnostic and treatment challenges, prompting updates to guidelines from the European Society of Cardiology (ESC) in 2021 and 2023.
  • The guidelines now recommend a simplified diagnostic approach and outline pharmacotherapy options based on recent research findings.
  • There is also a new classification system for HFpEF patients to help tailor treatments based on their specific causes, along with emerging therapies that could significantly enhance patient outcomes in those with secondary causes like Fabry disease or amyloidosis.
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Spectral Fluorescence Pathology of Protein Misfolding Disorders.

ACS Chem Neurosci

March 2024

Department of Clinical Neurosciences, Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada.

Article Synopsis
  • * Current diagnostics struggle to identify these misfolded strains early, complicating disease management and treatment.
  • * This review focuses on using advanced spectral fluorescence methods to better understand and detect protein misfolding, aiming to enhance diagnostic capabilities and guide future research directions.
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Article Synopsis
  • Alzheimer's Disease (AD) and Parkinson's Disease (PD) are major neurodegenerative diseases characterized by the misfolding and aggregation of amyloid proteins, leading to neurotoxicity and cell death.
  • Currently, these diseases can only be diagnosed after significant neuronal damage occurs, making early detection and effective treatment difficult.
  • The article emphasizes the urgent need for selective probes that can accurately identify early toxic amyloid species and reviews existing research on compounds that target these aggregates, along with challenges in translating these findings into clinical practice.
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