Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1-2
pubmed:dateCreated
2006-3-14
pubmed:abstractText
We previously reported that 5-aminosalicyltaurine (taurine-conjugated 5-ASA, 5-ASA-Tau) showed a potential as a colon-specific prodrug of 5-aminosalicylic acid (5-ASA) by in vitro evaluation. In this report, we in vivo-evaluated 5-ASA-Tau as a colon-specific prodrug for treatment of experimental colitis. Taurine conjugation of 5-ASA greatly reduced absorption of 5-ASA from the intestine. Oral administration of taurine-conjugated 5-ASA not only increased the colonic delivery efficiency of 5-ASA but also decreased the systemic absorption of free 5-ASA as compared with that of 5-ASA and, moreover, taurine is similarly effective to known colon-specific carriers for 5-ASA, glycine and aspartic acid, suggesting that taurine conjugation is an efficient way to increase the therapeutic effect and to reduce the adverse effects of 5-ASA. Intracolonic treatment with combined 5-ASA/taurine additively ameliorated TNBS-induced colitis rats indicating that taurine acted as not only a promoiety but also a therapeutically active agent. Furthermore, 5-ASA-Tau is slightly more effective than sulfasalazine in alleviating the colonic inflammation induced by TNBS. Taken together, our data suggest that 5-ASA-Tau is a potential colon-specific prodrug of 5-aminosalicylic acid with improved therapeutic activity against inflammatory bowel disease.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0928-0987
pubmed:author
pubmed:issnType
Print
pubmed:volume
28
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
26-33
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed-meshheading:16455235-Aminosalicylic Acids, pubmed-meshheading:16455235-Animals, pubmed-meshheading:16455235-Anti-Inflammatory Agents, Non-Steroidal, pubmed-meshheading:16455235-Chromatography, High Pressure Liquid, pubmed-meshheading:16455235-Colitis, pubmed-meshheading:16455235-Colon, pubmed-meshheading:16455235-Drug Delivery Systems, pubmed-meshheading:16455235-Feces, pubmed-meshheading:16455235-Gastrointestinal Agents, pubmed-meshheading:16455235-Intestinal Absorption, pubmed-meshheading:16455235-Male, pubmed-meshheading:16455235-Mesalamine, pubmed-meshheading:16455235-Prodrugs, pubmed-meshheading:16455235-Rats, pubmed-meshheading:16455235-Rats, Sprague-Dawley, pubmed-meshheading:16455235-Sulfasalazine, pubmed-meshheading:16455235-Taurine, pubmed-meshheading:16455235-Trinitrobenzenesulfonic Acid
pubmed:year
2006
pubmed:articleTitle
Evaluation of 5-aminosalicyltaurine as a colon-specific prodrug of 5-aminosalicylic acid for treatment of experimental colitis.
pubmed:affiliation
Lab of Biomedicinal Chemistry, College of Pharmacy, Pusan National University, Busan 609-735, Republic of Korea.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't