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Title: Neo-regeneration of urinary bladder: A desired metaplasia of autologous membrane from rectosigmoid colon containing stem cells of intestinal crypts
Authors: Matapurkar, B G
Bhargave, A
Rehan, H S
Mondal, A K
Ramteke, V K
Keywords: Adult stem cells;Desired metaplasia;Endoderm;Intestinal crypts;Neo-organo-histo- genesis;Urinary Bladder
Issue Date: Nov-2010
Publisher: NISCAIR-CSIR, India
Abstract: The current management of diseases of urinary bladder requiring resection is by augmentation cystoplasty or transplantation of ureters. Transplantation of ureters is associated with morbidity and mortality. Ideal management will be by regenerating urinary bladder in vivo. Neo-regeneration of tissues and organs like abdominal wall, aponeurosis etc., has been attempted and patented. After neo-regeneration of mesoderm tissues and organs, regeneration of urinary bladder (developed from endoderm) was. In vivo surgical techniques were developed in dogs. It is known that the embryonic morphogenesis of urinary bladder is from uro-genital sinus of hind gut. A membrane, containing endoderm stem cells in crypts of recto-sigmoid colon, was surgically isolated and colonized with remnant of urinary bladder wall after extensive resection. Experimental study was performed in dogs, for 60 days to one and a half year. Regeneration of all the layers of tissues of the wall of urinary bladder was observed. The neo-regeneration phenomenon has been recognized as “desired metaplasia”. The regenerated neo tissue/organ on histological examination and cystometry studies was found compatible with normal urinary bladder. The hypothesis, neo-regeneration and desired metaplasia, is discussed
Page(s): 1083-1093
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Appears in Collections:IJEB Vol.48(11) [November 2010]

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