title: Preparation of a small intestinal submucosa modified polypropylene hybrid mesh via a mussel-inspired polydopamine coating for pelvic reconstruction.
abstract: Pelvic organ prolapse (POP) is a serious health issue that affects many adult women. Surgical treatments for POP patients comprise a common strategy in which scaffold materials are used to reconstruct the prolapsed pelvic. However, the existing materials for pelvic reconstruction cannot meet clinical requirements in terms of biocompatibility, mechanics and immunological rejection. To address these concerns, polypropylene (PP) mesh was selected because of its strong mechanical properties. Small intestinal submucosa (SIS) was used to modify the PP mesh via a mussel-inspired polydopamine coating to enhance its biocompatibility. The scanning electron microscopy (SEM) and atomic force microscopy (AFM) results demonstrated that SIS was successfully conjugated on the surface of the PP mesh. Moreover, the cytotoxicity results indicated that the PP mesh and SIS-modified PP mesh were safe to use. Furthermore, in vivo tests demonstrated that the fibroplasia around the implanted site in the SIS-modified PP mesh group was significantly less than the fibroplasia around the PP mesh group. In addition, the immunohistochemistry staining results indicated that the expression of pro-inflammatory macrophages (M1) was substantially lower and that the expression of pro-healing macrophages (M2) was higher in the SIS-modified PP mesh group. Furthermore, ELISA detection indicated that the expression of IL-1β and IL-6 in the SIS-modified PP mesh group was reduced compared with the PP mesh group. These findings suggest that a SIS-modified polypropylene hybrid mesh via a mussel-inspired polydopamine coating is a promising approach in pelvic reconstruction.
authors.affiliation: Chongqing Academy of Animal Sciences, Chongqing, China Key Laboratory of Pig Industry Sciences, Ministry of Agriculture, Chongqing, China.
authors.forename: Liangpeng
authors.initials: L
authors.lastname: Ge
authors.affiliation: Chongqing Health Center for Women and Children, Chongqing Obstetric and Gynecologic Hospital, Chongqing, China.
authors.forename: Lubin
authors.initials: L
authors.lastname: Liu
authors.affiliation: College of Life Sciences, Sichuan University, Chengdu, China.
authors.forename: Haoche
authors.initials: H
authors.lastname: Wei
authors.affiliation: Chongqing Academy of Animal Sciences, Chongqing, China Department of Animal Sciences, Rongchang Campus, Southwest University, Chongqing, China.
authors.forename: Lei
authors.initials: L
authors.lastname: Du
authors.affiliation: Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.
authors.forename: Shixuan
authors.initials: S
authors.lastname: Chen
authors.affiliation: Chongqing Academy of Animal Sciences, Chongqing, China Key Laboratory of Pig Industry Sciences, Ministry of Agriculture, Chongqing, China.
authors.forename: Yong
authors.initials: Y
authors.lastname: Huang
authors.affiliation: Faculty of Biological and Pharmaceutical Engineering, West Anhui University, Liuan, China renshu_huang@sina.com.
authors.forename: Renshu
authors.initials: R
authors.lastname: Huang
mesh_terms: D000818:Animals; D040761:Biomimetic Materials / Q000737:chemistry / Q000633:toxicity; D049872:Bivalvia / Q000737:chemistry; D002460:Cell Line; D020099:Coated Materials, Biocompatible / Q000737:chemistry* / Q000633:toxicity; D005260:Female; D007211:Indoles / Q000737:chemistry* / Q000276:immunology / Q000633:toxicity; D053583:Interleukin-1beta / Q000032:analysis / Q000276:immunology; D015850:Interleukin-6 / Q000032:analysis / Q000276:immunology; D007413:Intestinal Mucosa / Q000737:chemistry* / Q000276:immunology; D008422:Materials Testing; D051379:Mice; D011108:Polymers / Q000737:chemistry* / Q000633:toxicity; D011126:Polypropylenes / Q000737:chemistry* / Q000276:immunology / Q000633:toxicity; D017207:Rats, Sprague-Dawley; D013526:Surgical Mesh / Q000009:adverse effects; D013552:Swine; D054457:Tissue Scaffolds / Q000737:chemistry*
chemical_list: D020099:Coated Materials, Biocompatible; D007211:Indoles; D053583:Interleukin-1beta; D015850:Interleukin-6; D011108:Polymers; D011126:Polypropylenes; C568283:polydopamine
keywords: Polypropylene; dopamine; pelvic reconstruction; small intestinal submucosa; surface modification