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Recent Trends in the Development of Polyphosphazenes for Bio-applications. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2022. [DOI: 10.1007/s40883-022-00278-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Plumping up a Cushion of Human Biowaste in Regenerative Medicine: Novel Insights into a State-of-the-Art Reserve Arsenal. Stem Cell Rev Rep 2022; 18:2709-2739. [PMID: 35505177 PMCID: PMC9064122 DOI: 10.1007/s12015-022-10383-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/25/2022] [Indexed: 12/03/2022]
Abstract
Major breakthroughs and disruptive methods in disease treatment today owe their thanks to our inch by inch developing conception of the infinitive aspects of medicine since the very beginning, among which, the role of the regenerative medicine can on no account be denied, a branch of medicine dedicated to either repairing or replacing the injured or diseased cells, organs, and tissues. A novel means to accomplish such a quest is what is being called “medical biowaste”, a large assortment of biological samples produced during a surgery session or as a result of physiological conditions and biological activities. The current paper accentuating several of a number of promising sources of biowaste together with their plausible applications in routine clinical practices and the confronting challenges aims at inspiring research on the existing gap between clinical and basic science to further extend our knowledge and understanding concerning the potential applications of medical biowaste.
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Ishack S, Lipner SR. 3-Dimensional Tissue-Engineered Scaffolds for Nail Regeneration. Dermatol Surg 2022; 48:470-471. [PMID: 35311737 DOI: 10.1097/dss.0000000000003314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
| | - Shari R Lipner
- Weill Cornell Medicine, Department of Dermatology, New York, New York
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Shiny PJ, Vimala Devi M, Felciya SJG, Ramanathan G, Fardim P, Sivagnanam UT. In vitro and in vivo evaluation of poly-3-hydroxybutyric acid-sodium alginate as a core-shell nanofibrous matrix with arginine and bacitracin-nanoclay complex for dermal reconstruction of excision wound. Int J Biol Macromol 2020; 168:46-58. [PMID: 33301845 DOI: 10.1016/j.ijbiomac.2020.12.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/12/2020] [Accepted: 12/04/2020] [Indexed: 12/23/2022]
Abstract
The protective layer of the body, the skin is often prone to damage due to several factors like trauma, accidents, stress and hazardous exposure. This requires the skin to regenerate itself which is a finely regulated process. To hasten the process and prevent further damage, the dressing material is of prime importance. Herein, we fabricated poly-3-hydroxybutyric acid (P)-sodium alginate (S)-(core-shell) nanofibrous matrix as protective scaffold for the skin tissue regeneration in excision wound model. The arginine (A) and layered double hydroxides-bacitracin (LB) were incorporated into the core and shell of the nanofibrous matrix using co-axial electrospinning. The core-shell nanofibers assist in the synergistic, controlled delivery of L-arginine, and bacitracin with major role in the protein synthesis, cell signaling and infection control at wound site respectively. In vitro biocompatibility was confirmed by testing on dermal fibroblasts. Furthermore, in vivo studies revealed the synergistic effect of both the components in active healing of wounds. The biochemical, histochemical and immunohistochemical studies reveal that the arginine loaded scaffold aided cellular migration and proliferation. These results suggest that the simultaneous existence of the drug bacitracin-nano clay complex and L-arginine in the shell and core respectively has conferred interesting dynamic properties to the scaffold towards wound healing.
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Affiliation(s)
- Punalur John Shiny
- Biological Materials Laboratory, CSIR-Central Leather Research Institute (CLRI), Adyar, Chennai, India
| | - Mohan Vimala Devi
- Biological Materials Laboratory, CSIR-Central Leather Research Institute (CLRI), Adyar, Chennai, India; Department of Leather Technology, (Housed at CSIR-Central Leather Research Institute), Alagappa College of Technology, Anna University, Chennai-600020
| | - Sekar Jeyakumar Grace Felciya
- Biological Materials Laboratory, CSIR-Central Leather Research Institute (CLRI), Adyar, Chennai, India; Department of Leather Technology, (Housed at CSIR-Central Leather Research Institute), Alagappa College of Technology, Anna University, Chennai-600020
| | - Giriprasath Ramanathan
- Biological Materials Laboratory, CSIR-Central Leather Research Institute (CLRI), Adyar, Chennai, India; Chemical Engineering for Health & Care, Bio&Chemical Systems Technology, Reactor Engineering and Safety, Department of Chemical Engineering, KU Leuven, Celestijnenlaan 200F bus 2424, B-3001 Leuven, Belgium
| | - Pedro Fardim
- Chemical Engineering for Health & Care, Bio&Chemical Systems Technology, Reactor Engineering and Safety, Department of Chemical Engineering, KU Leuven, Celestijnenlaan 200F bus 2424, B-3001 Leuven, Belgium
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