Manufacture of poly(2-hydroxyethyl methacrylate-co-methyl methacrylate) hydrogel tubes for use as nerve guidance channels

Chirila, 2001, An overview of the development of artificial cornea with porous skirts and the use of PHEMA for such an application, Biomaterials, 22, 3311, 10.1016/S0142-9612(01)00168-5 Park, 1996, Hydrogels in bioapplications, ACS Symp Ser, 627, 2, 10.1021/bk-1996-0627.ch001 Peppas, 2000, Physicochemical foundations and structural design of hydrogels in medicine and biology, Annu Rev Biomed Eng, 2, 9, 10.1146/annurev.bioeng.2.1.9 Kennedy, 2000, Synthesis and characterization of tubular amphiphilic networks with controlled pore dimensions for insulin delivery, Des Mon Pol, 3, 113, 10.1163/156855500750198762 Li, 1996, Transport characterization of hydrogel matrices for cell encapsulation, Biotechnol Bioeng, 50, 365, 10.1002/(SICI)1097-0290(19960520)50:4<365::AID-BIT3>3.0.CO;2-J Den Dunnen, 1997, Poly(dl-lactide-ε-caprolactone) nerve guides perform better than autologous nerve grafts, Microsurgery, 17, 348, 10.1002/(SICI)1098-2752(1996)17:7<348::AID-MICR2>3.0.CO;2-C Chamberlain, 1998, Collagen-GAG substrate enhances the quality of nerve regeneration through collagen tubes up to level of autograft, Exp Neurol, 154, 315, 10.1006/exnr.1998.6955 Tunturi, 1977, Elasticity of the spinal cord dura in the dog, J Neurosurg, 47, 391, 10.3171/jns.1977.47.3.0391 Hung, 1980, Stress–strain relationship of the spinal cord of anesthetized cats, J Biomech, 14, 269, 10.1016/0021-9290(81)90072-5 Tunturi, 1978, Elasticity of the spinal cord, pia, and denticulate ligament in the dog, J Neurosurg, 48, 975, 10.3171/jns.1978.48.6.0975 Chang, 1988, An in-vivo measurement and analysis of viscoelastic properties of the spinal cord of cats, J Biomech Eng, 110, 115, 10.1115/1.3108415 Ramon-Cuerto, 1998, Long distance axonal regeneration in the transected adult rat spinal cord is promoted by olfactory ensheathing glia transplants, J Neurosci, 18, 3803, 10.1523/JNEUROSCI.18-10-03803.1998 Menei, 1998, Schwann cells genetically modified to secrete BDNF promote enhanced axonal regrowth across transected adult rat spinal cord, Eur J Neurosci, 10, 607, 10.1046/j.1460-9568.1998.00071.x Bamber, 2001, Neutrophins BDNF and NT-3 promote axonal re-entry into the distal host spinal cord through Schwann cell-seeded mini-channels, Eur J Neurosci, 13, 257 Xu, 1995, Axonal regeneration into Schwann cell-seeded guidance channels grafted into transected adult rat spinal cord, J Comp Neurol, 351, 145, 10.1002/cne.903510113 Plant, 2000, A new type of biocompatible bridging structure supports axon regrowth after implantation into the lesioned rat optic tract, Cell Transplant, 9, 759, 10.1177/096368970000900603 Bloch, 2001, Nerve growth factor and neurotrophin-3-releasing guidance channels promote regeneration in the transected rat dorsal root, Exp Neurol, 172, 425, 10.1006/exnr.2001.7778 Liu, 1998, Axonal regrowth through a collagen guidance channel bridging spinal cord to the avulsed C6 root, J Neurosci Res, 51, 723, 10.1002/(SICI)1097-4547(19980315)51:6<723::AID-JNR6>3.0.CO;2-D Chamberlain, 1998, Collagen-GAG substrate enhances the quality of nerve regeneration through collagen tubes up to level of autograft, Exp Neurol, 154, 315, 10.1006/exnr.1998.6955 Greenwald, 2000, Improving vascular grafts, J Pathol, 190, 292, 10.1002/(SICI)1096-9896(200002)190:3<292::AID-PATH528>3.0.CO;2-S Salacinski, 2001, The mechanical behavior of vascular grafts, J Biomater Appl, 15, 241, 10.1106/NA5T-J57A-JTDD-FD04 Moore, 2001, Synthetic bone graft substitutes, ANZ J Surg, 71, 354, 10.1046/j.1440-1622.2001.02128.x Woerly S, Pinet E, De Robertis L, Bousmina M, Laroche G, Roitback T, Vargova L, Sykova E. Heterogeneous PHPMA hydrogels for tissue repair and axonal regeneration in the injured spinal cord. In: Polymers for tissue engineering. Utrecht, Netherlands: VSP, 1998. p. 343–73. Mokry, 2000, Biocompatibility of HEMA copolymers designed for treatment of CNS diseases with polymer-encapsulated cells, Biotech Prog, 16, 897, 10.1021/bp000113m Plant, 1998, Implantation of collagen IV/poly(2-hydroxyethyl methacrylate) hydrogels containing Schwann cells into the lesioned optic tract, Cell Transplant, 7, 381, 10.1016/S0963-6897(98)00016-5 Dalton, 2001, Creating porous tubes by centrifugal forces for soft tissue applications, Biomaterials, 22, 2661, 10.1016/S0142-9612(01)00008-4 Yasuda, Hydrogels of poly(hydroxyethyl methacrylate-glycerol monomethacrylate copolymers, J Polym Sci A, 4, 2913, 10.1002/pol.1966.150041201 Dalton PD, Vijayasekaran S, Shoichet MS. Processing of polymer scaffolds: polymerization. In: Methods of tissue engineering. San Diego, CA: Academic Press, 2001. p. 725–31. Chirila, 1993, Hydrophilic sponges based on 2-hydroxyethyl methacrylate. 1. Effect of monomer mixture on the pore size, Polym Int, 32, 221, 10.1002/pi.4990320303 Clayton, 1997, Hydrophilic sponges based on 2-hydroxyethyl methacrylate. III. Effect of incorporating a hydrophilic crosslinking agent on the equilibrium water content and pore structure, Polym Int, 42, 45, 10.1002/(SICI)1097-0126(199701)42:1<45::AID-PI658>3.0.CO;2-W Lou, 2000, Hydrophilic sponges based on 2-hydroxyethyl methacrylate. VII. Modification of sponge characteristics by changes in reactivity and hydrophilicity of crosslinking agents, J Mater Sci Mater Med, 11, 319, 10.1023/A:1008977818135 Dalton PD, Tsai E, Van Bendegem RL, Tator CH, Shoichet MS. Hydrogel nerve guides promote regeneration in the central nervous system. Tampa Bay, FL: Society for Biomaterials, 2002. Midha R, Munro CA, Dalton PD, Tator CH, Shoichet MS. Novel biocompatatible tube enhanced with growth factors support peripheral nerve regeneration. Cancun, Mexico, American Society for Peripheral Nerve 2002. Šprincl, 1973, Effect of structure of poly(glycol monomethacrylate) gel on calcification of implants, Calcif Tissue Res, 13, 63, 10.1007/BF02015397 Chirila, 1998, The effect of synthesis conditions on the properties of poly(2-hydroxyethyl methacrylate) sponges, Cell Polym, 17, 141 Danilatos, 1993, Introduction to the ESEM instrument, Microsc Res Tech, 25, 354, 10.1002/jemt.1070250503 Chirila, 1993, Poly(2-hydroxyethyl methacrylate) sponges as implant materials, Biomaterials, 14, 26, 10.1016/0142-9612(93)90072-A Luo, 2001, Novel poly(HEMA-MMA) hydrogel hollow fiber membranes, Chem Mater, 13, 4087, 10.1021/cm010323+