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Cryo-EM structure of an ATTRwt amyloid fibril from systemic non-hereditary transthyretin amyloidosis

Author

Listed:
  • Maximilian Steinebrei

    (Ulm University)

  • Juliane Gottwald

    (Christian-Albrechts-University Kiel, University Hospital Schleswig-Holstein)

  • Julian Baur

    (Ulm University)

  • Christoph Röcken

    (Christian-Albrechts-University Kiel, University Hospital Schleswig-Holstein)

  • Ute Hegenbart

    (University Hospital Heidelberg)

  • Stefan Schönland

    (University Hospital Heidelberg)

  • Matthias Schmidt

    (Ulm University)

Abstract

Wild type transthyretin-derived amyloid (ATTRwt) is the major component of non-hereditary transthyretin amyloidosis. Its accumulation in the heart of elderly patients is life threatening. A variety of genetic variants of transthyretin can lead to hereditary transthyretin amyloidosis, which shows different clinical symptoms, like age of onset and pattern of organ involvement. However, in the case of non-hereditary transthyretin amyloidosis ATTRwt fibril deposits are located primarily in heart tissue. In this structural study we analyzed ATTRwt amyloid fibrils from the heart of a patient with non-hereditary transthyretin amyloidosis. We present a 2.78 Å reconstructed density map of these ATTRwt fibrils using cryo electron microscopy and compare it with previously published V30M variants of ATTR fibrils extracted from heart and eye of different patients. All structures show a remarkably similar spearhead like shape in their cross section, formed by the same N- and C-terminal fragments of transthyretin with some minor differences. This demonstrates common features for ATTR fibrils despite differences in mutations and patients.

Suggested Citation

  • Maximilian Steinebrei & Juliane Gottwald & Julian Baur & Christoph Röcken & Ute Hegenbart & Stefan Schönland & Matthias Schmidt, 2022. "Cryo-EM structure of an ATTRwt amyloid fibril from systemic non-hereditary transthyretin amyloidosis," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-33591-4
    DOI: 10.1038/s41467-022-33591-4
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    References listed on IDEAS

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    1. Lynn Radamaker & Julian Baur & Stefanie Huhn & Christian Haupt & Ute Hegenbart & Stefan Schönland & Akanksha Bansal & Matthias Schmidt & Marcus Fändrich, 2021. "Cryo-EM reveals structural breaks in a patient-derived amyloid fibril from systemic AL amyloidosis," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    2. Irina Iakovleva & Michael Hall & Melanie Oelker & Linda Sandblad & Intissar Anan & A. Elisabeth Sauer-Eriksson, 2021. "Structural basis for transthyretin amyloid formation in vitreous body of the eye," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    3. Matthias Schmidt & Sebastian Wiese & Volkan Adak & Jonas Engler & Shubhangi Agarwal & Günter Fritz & Per Westermark & Martin Zacharias & Marcus Fändrich, 2019. "Cryo-EM structure of a transthyretin-derived amyloid fibril from a patient with hereditary ATTR amyloidosis," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
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    Cited by:

    1. Binh An Nguyen & Virender Singh & Shumaila Afrin & Anna Yakubovska & Lanie Wang & Yasmin Ahmed & Rose Pedretti & Maria del Carmen Fernandez-Ramirez & Preeti Singh & Maja Pękała & Luis O. Cabrera Herna, 2024. "Structural polymorphism of amyloid fibrils in ATTR amyloidosis revealed by cryo-electron microscopy," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    2. Maximilian Steinebrei & Julian Baur & Anaviggha Pradhan & Niklas Kupfer & Sebastian Wiese & Ute Hegenbart & Stefan O. Schönland & Matthias Schmidt & Marcus Fändrich, 2023. "Common transthyretin-derived amyloid fibril structures in patients with hereditary ATTR amyloidosis," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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