| Study on chronic pancreatitis and pancreatic cancer using MRS and pancreatic juice samples. | |
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MedLine Citation:
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PMID: 21547133 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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AIM: To investigate the markers of pancreatic diseases and provide basic data and experimental methods for the diagnosis of pancreatic diseases. METHODS: There were 15 patients in the present study, among whom 10 had pancreatic cancer and 5, chronic pancreatitis. In all patients, pancreatic cancer or chronic pancreatitis was located on the head of the pancreas. Pathology data of all patients was confirmed by biopsy and surgery. Among the 10 patients with pancreatic cancer, 3 people had a medical history of long-term alcohol consumption. Of 5 patients with chronic pancreatitis, 4 men suffered from alcoholic chronic pancreatitis. Pancreatic juice samples were obtained from patients by endoscopic retrograde cholangio-pancreatography. Magnetic resonance spectroscopyn was performed on an 11.7-T scanner (Bruker DRX-500) using Call-Purcell-Meiboom-Gill pulse sequences. The parameters were as follows: spectral width, 15 KHz; time domain, 64 K; number of scans, 512; and acquisition time, 2.128 s. RESULTS: The main component of pancreatic juice included leucine, iso-leucine, valine, lactate, alanine, acetate, aspartate, lysine, glycine, threonine, tyrosine, histidine, tryptophan, and phenylalanine. On performing 1D (1)H and 2D total correlation spectroscopy, we found a triplet peak at the chemical shift of 1.19 ppm, which only appeared in the spectra of pancreatic juice obtained from patients with alcoholic chronic pancreatitis. This triplet peak was considered the resonance of the methyl of ethoxy group, which may be associated with the metabolism of alcohol in the pancreas. CONCLUSION: The triplet peak, at the chemical shift of 1.19 ppm is likely to be the characteristic metabolite of alcoholic chronic pancreatitis. |
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Authors:
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Jian Wang; Chao Ma; Zhuan Liao; Bing Tian; Jian-Ping Lu |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: World journal of gastroenterology : WJG Volume: 17 ISSN: 1007-9327 ISO Abbreviation: World J. Gastroenterol. Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-05-06 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100883448 Medline TA: World J Gastroenterol Country: China |
Other Details:
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Languages: eng Pagination: 2126-30 Citation Subset: IM |
Affiliation:
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Jian Wang, Chao Ma, Bing Tian, Jian-Ping Lu, Department of Radiology, Changhai Hospital, The Second Military Medical University, Shanghai 200433, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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