Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

Permanent URI for this collectionhttps://hdl.handle.net/11147/7148

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Author: search.filters.author.Bilginer-Kartal, Rumeysa

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  • Article
    Citation - WoS: 5
    Citation - Scopus: 6
    Hydrocolloids for Tissue Engineering and 3d Bioprinting
    (World Scientific Publ Co Pte Ltd, 2024) Yildirim-Semerci, Ozum; Onbas, Rabia; Bilginer-Kartal, Rumeysa; Arslan-Yildiz, Ahu
    Hydrocolloids, derived from plants, marine, and microbial sources, have become research favorites due to their unique properties. This article provides an overview of the extraction methods, from chemical to enzymatic, to obtain hydrocolloids. Distinctive properties of hydrocolloids, such as high swelling capacity, tunable features, and rapid gelation ability, have gained significant attention recently and have started to be used in tissue engineering and 3D bioprinting. Hydrocolloids will play substantial roles in advancing biomedical products and contributing to improving human health.
  • Article
    Citation - WoS: 2
    Citation - Scopus: 3
    Magnetic Levitational Assembly of Differentiated Sh-Sy5y Cells for Aβ-Induced 3d Alzheimer's Disease Modeling and Curcumin Screening
    (Wiley-v C H verlag Gmbh, 2025) Bilginer-Kartal, Rumeysa; Arslan-Yildiz, Ahu
    Alzheimer's disease is one of the prevalent neurodegenerative diseases and is characterized by amyloid beta aggregate (A beta) accumulation. This study reports an A beta 1-42 induced 3D Alzheimer's disease modeling utilizing differentiated SH-SY5Y spheroids, which is carried out by Magnetic levitation approach, and the neuroprotective effect of Curcumin is further investigated on this model. For this purpose, SH-SY5Y spheroids are differentiated using Retinoic acid-Brain-derived neurotrophic factor sequentially during 3D cell culture. Differentiated spheroids maintained high viability and exhibited significant neuronal characteristics, as evidenced by increasing beta-III tubulin and NeuN expressions. 3D Alzheimer's disease model formation and neurotoxicity of A beta 1-42 aggregates are investigated on un-/differentiated spheroids, resulting in 65% and 51% cell viability, respectively. Characterization of the 3D Alzheimer's disease model is done by immunostaining of Choline acetyltransferase to investigate cholinergic neuron activity loss, showing a 2.2 decrease in fluorescence intensity. Further, Curcumin treatment on the 3D Alzheimer's disease model resulted in augmenting cell viability, confirming neuroprotective effect of Curcumin on A beta 1-42 induced Alzheimer's disease model. This study highlighted the magnetic levitation-based fabrication of A beta 1-42-induced 3D Alzheimer's disease model successfully, offering a promising experimental platform for other neurodegenerative disease research and potential clinical applications.
  • Article
    Citation - WoS: 2
    Citation - Scopus: 2
    Exploring the Use of Water-Extracted Flaxseed Hydrocolloids in Three-Dimensional Cell Culture
    (Mary Ann Liebert, inc, 2024) Yildirim-Semerci, Ozum; Bilginer-Kartal, Rumeysa; Arslan-Yildiz, Ahu
    Plant-derived hydrocolloids offer promising prospects in biomedical applications. Among these, Flaxseed hydrocolloid (FSH) can form a soft, elastic, and biocompatible hydrocolloid with tunable viscosity and superior swelling capacity, making it an attractive scaffold. This study introduces a green extraction method for FSH, employing a single-step aqueous extraction process and fabrication of FSH scaffold. Despite growing interest, the pristine form of FSH has not been investigated for sustainable long-term three-dimensional (3D) cell culture. Here, FSH scaffolds were thoroughly characterized for their morphological, chemical, mechanical, and biological properties. 3D cell culture experiments were conducted using NIH-3T3 mouse fibroblast cells, and cell viability was assessed using live/dead and Alamar Blue assays. High cell viability was sustained for long term compared with 2D cell culture. Cell adhesion and 3D cellular morphology on FSH scaffold for 30 days were monitored by scanning electron microscopy analysis. Also, collagen type-I and F-actin expressions were analyzed by immunostaining after 30 days of culture, resulting in 5- and 4-fold increments of fluorescence intensity, respectively. Results indicate sustained cell viability in the long term and favorable cell-material interaction, demonstrating the potential of FSH as a scaffold. This study emphasizes the importance of the green extraction approach, improving the biocompatibility and functionality of FSH tissue engineering applications. Impact Statement Flaxseed hydrocolloid (FSH) is a promising scaffold for biomedical applications due to its biocompatibility and tunable properties. This study introduces a green extraction method for FSH and evaluates its use in 3D cell culture with NIH-3T3 mouse fibroblast cells. The findings indicate high cell viability and enhanced cell-material interactions over 30 days, highlighting the potential of FSH for tissue engineering.