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Citation - WoS: 17
Citation - Scopus: 16
Engineering Periodontal Tissue Interfaces Using Multiphasic Scaffolds and Membranes for Guided Bone and Tissue Regeneration
(Elsevier, 2024) Özkendir, Özge; Karaca, İlayda; Çullu, Selin; Yaşar, Hüsniye Nur,; Erdoğan, Oğulcan; Dikici, Serkan; Dikici, Betul Aldemir
Periodontal diseases are one of the greatest healthcare burdens worldwide. The periodontal tissue compartment is an anatomical tissue interface formed from the periodontal ligament, gingiva, cementum, and bone. This multifaceted composition makes tissue engineering strategies challenging to develop due to the interface of hard and soft tissues requiring multiphase scaffolds to recreate the native tissue architecture. Multilayer constructs can better mimic tissue interfaces due to the individually tuneable layers. They have different characteristics in each layer, with modulation of mechanical properties, material type, porosity, pore size, morphology, degradation properties, and drug-releasing profile all possible. The greatest challenge of multilayer constructs is to mechanically integrate consecutive layers to avoid delamination, especially when using multiple manufacturing processes. Here, we review the development of multilayer scaffolds that aim to recapitulate native periodontal tissue interfaces in terms of physical, chemical, and biological characteristics. Important properties of multiphasic biodegradable scaffolds are highlighted and summarised, with design requirements, biomaterials, and fabrication methods, as well as post-treatment and drug/growth factor incorporation discussed.
Citation - Scopus: 3
Tissue Engineering Applications of Marine-Based Materials
(Springer, 2022) Polat, Hürriyet; Zeybek, Nuket; Polat, Mehmet
Tissue engineering is a promising approach in replacing or improving tissues lost or has become nonviable due to disease or trauma by the use of scaffold materials by combining engineering and biochemical/physicochemical methods. Its purpose is to create suitable matrices that support cell differentiation and proliferation toward the formation of new and functional tissue. Marine-based natural compounds are potential scaffold feedstock material in tissue engineering owing to their biocompatibility and biodegradability while providing excellent biochemical/physicochemical properties. Numerous application areas and various fabrication routes techniques described in the literature attest to the importance of these materials in tissue regeneration. This review has been carried to merge the information from a large number of studies on the marine-based scaffold materials in tissue engineering into a coherent summary. © The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2022.
Citation - WoS: 2
Citation - Scopus: 2
Cloning, Expression, and Characterization of a Novel Sericin-Like Protein
(Wiley, 2022) Bostan, Fatmanur; Sürmeli, Nur Başak
Silk consists of two proteins called fibroin and sericin. While fibroin is used in the textile industry and has various biomaterial applications, sericin has been considered as waste material until recently. Sericin is a multicomponent protein and it has important properties such as biocompatibility, biodegradability, cryoprotectivity, and antioxidant. Sericin from silkworm cocoons can be obtained by chemical, enzymatic, and heat treatment methods. However, sericin obtained with these treatment methods is not of consistent and high quality. Moreover, the exposure of sericin to harsh conditions during extraction leads to inconsistencies in the composition and structure of the sericin obtained. The inconsistencies in sericin structure and composition decrease application of sericin as a biomaterial. Here, we produce a sericin-like protein (Ser4mer) with native sequence of sericin encoding four repeats of the conserved 38 amino acid motif recombinantly in Escherichia coli and characterize its structural properties. Ser4mer protein shows similar structure to native sericin and higher solubility than previously obtained recombinant sericin-like proteins. Recombinant production of a soluble sericin-like protein will significantly expand its applications as a biomaterial. In addition, recombinant production of silk proteins will allow us to understand sequence-structure relationships in these proteins.

Bioengineering / Biyomühendislik

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