Abstract:
AIM:Kidney hypoxia can predispose to the development of acute and chronic renal failure in diabetes. Ischaemia-reperfusion injury (IRI) causes inflammation, and diabetes is known to exacerbate this inflammatory response in the kidney, whereas alarmin IL-33 could act as an innate immune mediator during kidney IRI. Thus, the present study examined the impact of genetic IL-33 receptor ST2 deficiency (ST2-/-) on renal IRI in euglycaemic and hyperglycaemic mice. METHODS:Hyperglycaemia was induced with streptozotocin (STZ) in adult male C57BL/6JRj wild-type (WT) mice and ST2-/- mice. Unilateral renal IRI was achieved 3months after STZ treatment by left kidney nephrectomy (non-ischaemic control kidney) and clamping of the right renal artery for 32min in STZ- and vehicle-treated animals. At 24h after reperfusion, renal function and injury were determined by levels of plasma creatinine, blood urea nitrogen (BUN) and histological tubule scores. Also, in a complementary pilot clinical study, soluble ST2 concentrations were compared in diabetics and non-diabetics. RESULTS:Urinary albumin was significantly increased in STZ-induced hyperglycaemic mice, regardless of genotypic background. At 24h post-ischaemia, plasma creatinine, BUN and tubular injury were significantly reduced in ST2-/- mice compared with vehicle-treated WT mice, but this protective effect was lost in the STZ-induced hyperglycaemic ST2-/- animals. Plasma concentrations of soluble ST2 were significantly greater in type 2 diabetes patients vs non-diabetics. CONCLUSION:Our data suggest that the IL-33/ST2 pathway exerts differential effects depending on the glucose environment, opening-up new avenues for future research on alarmins and diabetes in ischaemia-related diseases.
journal_name
Diabetes Metabjournal_title
Diabetes & metabolismauthors
Sehnine M,Ferhat M,Sena S,Gombert JM,Goujon JM,Thierry A,Touchard G,Hauet T,Herbelin A,Hadjadj Sdoi
10.1016/j.diabet.2017.06.008subject
Has Abstractpub_date
2018-02-01 00:00:00pages
55-60issue
1eissn
1262-3636issn
1878-1780pii
S1262-3636(17)30475-5journal_volume
44pub_type
杂志文章abstract::Pancreatic transplantation is the best method of replacing the endocrine function of the gland in Type 1 insulin-dependent diabetic patients. At the end of 1996, 9,000 pancreas transplants had been reported to the international Pancreas Transplant Registry. For 1994-1996, one-year pancreas survival rates were 81% for ...
journal_title:Diabetes & metabolism
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abstract::Strict glycaemic control is a major concern in many people with diabetes, hypoglycaemia being the most limiting factor in the daily management of patients with diabetes. Acute consequences of hypoglycaemic attacks are not precisely evaluated. Acute cardiovascular (CV) complications as myocardial ischaemia or stroke se...
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abstract:AIM:The prevalence of diabetes in the French West Indies is three times higher than in mainland France. We aimed to assess the associations between vitamin D deficiency, vitamin D receptor (VDR) gene polymorphisms and cardiovascular risk factors in Caribbean patients with type 2 diabetes (T2D). METHODS:In this cross-s...
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journal_title:Diabetes & metabolism
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更新日期:2002-04-01 00:00:00
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journal_title:Diabetes & metabolism
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
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更新日期:2001-04-01 00:00:00
abstract::Although diabetes is a classical risk factor for macroangiopathy, the prevalence of renal artery stenosis (RAS) in this type of pathology has not been clearly determined. More than 50% of RAS occur in diabetic patients (almost exclusively Type 2), whereas autopsy findings and the few clinical surveys reported indicate...
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更新日期:2000-07-01 00:00:00
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更新日期:2014-12-01 00:00:00
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abstract::The effect of propranolol on the occurrence of hypoglycaemic symptoms was assessed in insulin-dependent diabetic patients with hypoglycaemia unawareness. A double-blind, randomised parallel group study (2:1 fashion) was conducted over 4-week period. The propranolol group (n = 9) received 20 mg (week 1 and 2) and 30 mg...
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