ArticleJournal of materials science. Materials in medicine2017
Effect of the combined treatment of albumin with plasma synthesised pyrrole polymers on motor recovery after traumatic spinal cord injury in rats.
Article in Journal of materials science. Materials in medicine, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- Improved Recovery of Complete Spinal Cord Transection by a Plasma-Modified Fibrillar Scaffold.Polymers · 2024Article
- Quartz Crystal Microbalance Application andLangmuir : the ACS journal of surfaces and colloids · 2023Article
- Electrical Stimulation Increases Axonal Growth from Dorsal Root Ganglia Co-Cultured with Schwann Cells in Highly Aligned PLA-PPy-Au Microfiber Substrates.International journal of molecular sciences · 2022Article
- Electrophysiological Recordings from Embryonic Mouse Motoneurons Cultured on Electrospun Poly-Lactic Acid (PLA) and Polypyrrole-Coated PLA Scaffolds.Iranian biomedical journal · 2022Article
- Article
Corrections and comments
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Authors and funding
13 authors.
Funding
Abstract
Traumatic spinal cord injury (TSCI) is a health problem for which there is currently no treatment or definitive therapy. Medicine has explored therapeutic options for patients with TSCI with the aim to improve their quality of life. One alternative has been the development of biomaterials that offer neuroprotection or neuroregeneration of damaged nerve tissue. The microinjection of iodine-doped polypyrrole particles synthesised by plasma (PPPy/I) has shown neuroprotective effects that favour motor function recovery in experimental animals with TSCI. However, their ability to migrate into the tissue has led to the need to test a suspension vehicle that enables the concentration of particles at the site of injury. To achieve this, two biomaterials of PPPy/I (P1 and P2) were studied. The superficial physicochemical characterisation of the polymers was performed by infrared spectroscopy, X-ray photoelectron spectroscopy and contact angle. The rheological performance under oscillatory shear rate of suspensions containing both polymers alone and in combination with bovine serum albumin was also studied. In vivo tests were performed on animals with and without TSCI that were microinjected with particles of P1 or P2 in suspension using a solution of rat serum albumin. Exposure to the protein solutions generates a protein multilayer on the surface of the biomaterials that can drastically change the behaviour of both P1 and P2, which led to severe repercussions in the in vivo assays. The results showed that surface chemistry plays an important role in the performance and that it is possible to treat TSCI with these materials. The interaction of the surface of materials PPPy/I.1 (P1) and PPPy/I.2 (P2) with bovine serum albumin (BSA) resulted in a series of changes in the surface chemistry of both biomaterials. The contact angle study (Fig. A) showed the presence of a critical BSA concentration ([BSA]
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Registered trials
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