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2024 ; 16
(7
): 2308-2318
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Impacts of different pancreatic resection ranges on endocrine function in Suncus
murinus
#MMPMID39087135
Li RJ
; Yang T
; Zeng YH
; Natsuyama Y
; Ren K
; Li J
; Nagakawa Y
; Yi SQ
World J Gastrointest Surg
2024[Jul]; 16
(7
): 2308-2318
PMID39087135
show ga
BACKGROUND: Surgical intervention involving the pancreas can lead to impaired
glucose tolerance and other types of endocrine dysfunction. The scope of
pancreatectomy and whether it includes the ventral pancreas are the key factors
in the development of postoperative diabetes. The ventral and dorsal pancreases
are almost separated in Suncus murinus (S. murinus). AIM: To investigate the
effects of different extents of pancreatic resection on endocrine function in S.
murinus. METHODS: Eight-week-old male S. murinus shrews were randomly divided
into three experimental groups according to different pancreatic resection ranges
as follows: ventral pancreatectomy (VPx) group; partial pancreatectomy (PPx)
group; subtotal pancreatectomy (SPx) group; and a sham-operated group.
Postprandial serum insulin, glucagon-like peptide-1 (GLP-1), pancreatic
polypeptide (PP), and somatostatin (SST) levels, as well as food intake, weight,
blood glucose, and glucose tolerance were regularly measured for each animal.
RESULTS: S. murinus treated with PPx and SPx suffered from varying degrees of
impaired glucose tolerance, but only a small proportion of the SPx group
developed diabetes. Only S. murinus in the SPx group showed a significant
decrease in food intake accompanied by severe weight loss, as well as a
significant increase in postprandial serum GLP-1 levels. Postprandial serum PP
levels decreased in both the VPx and PPx groups, but not in the SPx group.
Postprandial serum SST levels decreased in both VPx and PPx groups, but the
decrease was marginal. CONCLUSION: Severe weight loss after pancreatectomy may be
related to loss of appetite caused by compensatory elevation of GLP-1. PP and
GLP-1 may play a role in resisting blood glucose imbalance.