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8 Results Found

  • Article
  • Open Access

Amyloid Protein-Induced Remodeling of Morphometry and Nanomechanics in Human Platelets

  • Tonya D. Andreeva,
  • Svetla Todinova,
  • Ariana Langari,
  • Velichka Strijkova,
  • Vesela Katrova and
  • Stefka G. Taneva

16 December 2025

Background/Objectives: The accumulation of specific amyloid proteins and peptides in the human brain is a hallmark of neurodegenerative disorders such as Alzheimer’s disease (AD) and Parkinson’s disease (PD). Beyond the central nervous sy...

  • Review
  • Open Access
9 Citations
3,074 Views
29 Pages

19 September 2023

Neurodegenerative disorders (NDDs) are complex, multifactorial disorders with significant social and economic impact in today’s society. NDDs are predicted to become the second-most common cause of death in the next few decades due to an increa...

  • Article
  • Open Access
9 Citations
2,820 Views
14 Pages

Platelets’ Nanomechanics and Morphology in Neurodegenerative Pathologies

  • Velichka Strijkova,
  • Svetla Todinova,
  • Tonya Andreeva,
  • Ariana Langari,
  • Desislava Bogdanova,
  • Elena Zlatareva,
  • Nikolay Kalaydzhiev,
  • Ivan Milanov and
  • Stefka G. Taneva

The imaging and force–distance curve modes of atomic force microscopy (AFM) are explored to compare the morphological and mechanical signatures of platelets from patients diagnosed with classical neurodegenerative diseases (NDDs) and healthy in...

  • Article
  • Open Access
6 Citations
3,936 Views
17 Pages

Morphometric and Nanomechanical Features of Platelets from Women with Early Pregnancy Loss Provide New Evidence of the Impact of Inherited Thrombophilia

  • Tonya Andreeva,
  • Regina Komsa-Penkova,
  • Ariana Langari,
  • Sashka Krumova,
  • Georgi Golemanov,
  • Galya B. Georgieva,
  • Stefka G. Taneva,
  • Ina Giosheva,
  • Nikolina Mihaylova and
  • Andrey Tchorbanov
  • + 1 author

Pregnancy is associated with hypercoagulation states and increased thrombotic risk, especially in women with thrombophilia. We combine atomic force microscopy (AFM) and flow cytometry to examine the morphology and nanomechanics of platelets derived f...

  • Article
  • Open Access
10 Citations
3,625 Views
15 Pages

Platelet Activation in Ovarian Cancer Ascites: Assessment of GPIIb/IIIa and PF4 in Small Extracellular Vesicles by Nano-Flow Cytometry Analysis

  • Barbara Bortot,
  • Alessandro Mangogna,
  • Ben Peacock,
  • Rebecca Lees,
  • Francesco Valle,
  • Marco Brucale,
  • Sara Tassinari,
  • Federico Romano,
  • Giuseppe Ricci and
  • Stefania Biffi

24 August 2022

In ovarian cancer, ascites represent the microenvironment in which the platelets extravasate to play their role in the disease progression. We aimed to develop an assay to measure ascites’ platelet activation. We enriched small extracellular ve...

  • Review
  • Open Access
4 Citations
3,687 Views
15 Pages

Hematological and Hemorheological Parameters of Blood Platelets as Biomarkers in Diabetes Mellitus Type 2: A Comprehensive Review

  • Elissaveta Zvetkova,
  • Ivan Ivanov,
  • Eugeni Koytchev,
  • Nadia Antonova,
  • Yordanka Gluhcheva,
  • Anika Alexandrova-Watanabe and
  • Georgi Kostov

29 May 2024

Diabetes mellitus type 2 (DM2) is a hypercoagulable state with enhanced platelet (PLT) activation and increased clotting factor production. Simultaneously, the fibrinolytic cell system is inhibited due to the formation of clots with high fibrinolysis...

  • Article
  • Open Access
1,111 Views
16 Pages

Pathogen-Reduced Low-Titer Group O Whole Blood for Managing Massive Blood Loss in Prehospital and Early Hospital Settings: An In Vitro Study

  • Ekaterina Sherstyukova,
  • Julia Semenova,
  • Snezhanna Kandrashina,
  • Alina Bogdanova,
  • Ilya Vinogradov,
  • Vladimir Inozemtsev,
  • Mikhail Shvedov,
  • Alexander Grechko,
  • Maxim Dokukin and
  • Artem Kuzovlev
  • + 4 authors

5 September 2025

Background/Objectives: Leukoreduced low-titer group O whole blood (LTOWB) is a promising option for early transfusion in massive hemorrhages, by providing red blood cells (RBCs), plasma, and platelets in a single unit. This study aimed to assess the...

  • Article
  • Open Access
10 Citations
3,755 Views
12 Pages

15 August 2020

The purpose of this study was twofold. Firstly, we proposed a measurement protocol for the atomic force microscopy (AFM) method to determine the nanomechanical properties of articular cartilage in experimental osteoarthritis in rabbits. Then, we veri...