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Scholar Results 1 - 10 of about 101 related to Gurgul: Mitochondrial catalase overexpression protects insulin-producing cells against toxicity.... (0.10 sec) 

Mitochondrial catalase overexpression protects insulin-producing cells against toxicity of …

- diabetesjournals.org
E Gurgul, S Lortz, M Tiedge, A Jörns, S … - Diabetes, 2004 - Am Diabetes Assoc
Insulin-producing cells are known for their extremely low antioxidant equipment
with hydrogen peroxide (H 2 O 2 )-inactivating enzymes. Therefore, catalase was
stably overexpressed in mitochondria and for comparison in the cytoplasmic ...
Cited by 42 - Related articles - BL Direct - All 4 versions

Importance of mitochondrial superoxide dismutase expression in insulin-producing cells for …


S Lortz, E Gurgul-Convey, S Lenzen, M … - Diabetologia, 2005 - Springer
Abstract Aims/hypothesis: Free radicals generated in mi- tochondria play a
crucial role in the toxic effects of cy- tokines upon insulin-producing cells.
This study therefore investigated the role of manganese superoxide ...
Cited by 11 - Related articles - BL Direct - All 3 versions

Improvement of the mitochondrial antioxidant defense status prevents cytokine-induced nuclear …


AK Azevedo-Martins, S Lortz, S Lenzen, R Curi … - Diabetes, 2003 - Am Diabetes Assoc
Proinflammatory cytokines (interleukin-1ß [IL-1ß], tumor necrosis factor-
[TNF- ], and -interferon [IFN- ]) initiate a variety of signal cascades in
pancreatic ß-cells that affect the expression level of genes involved in ...
Cited by 61 - Related articles - BL Direct - All 4 versions

High glucose and hydrogen peroxide increase c-Myc and haeme-oxygenase 1 mRNA levels in …


H Elouil, AK Cardozo, DL Eizirik, JC Henquin … - Diabetologia, 2005 - Springer
Abstract Aims/hypothesis: Hyperglycaemia and the pro- inflammatory cytokine
IL-1β induce similar alterations of beta cell gene expression, including
up-regulation of c-Myc and haeme-oxygenase 1. These effects of ...
Cited by 25 - Related articles - BL Direct - All 6 versions

A radical explanation for glucose-induced β cell dysfunction

- nih.gov
M Brownlee - Journal of Clinical Investigation, 2003 - Am Soc Clin Investig
Diabetes and impaired glucose tolerance currently affect an estimated 29 million
people in the US (1). For those born in 2000, the estimated lifetime risk of
developing diabetes is 36% (2). People with diabetes have large reductions ...
Cited by 100 - Related articles - BL Direct - All 10 versions

Oxidative stress: the vulnerable beta-cell


S Lenzen - Biochemical Society Transactions, 2008 - biochemsoctrans.org
Antioxidative defence mechanisms of pancreatic β-cells are particularly weak
and can be overwhelmed by redox imbalance arising from overproduction of
reactive oxygen and reactive nitrogen species. The consequences of this ...
Cited by 15 - Related articles - Cached - BL Direct - All 6 versions

Does the glucose-dependent insulin secretion mechanism itself cause oxidative stress in …


LE Fridlyand, LH Philipson - Diabetes, 2004 - Am Diabetes Assoc
Glucose-dependent insulin secretion (GDIS), reactive oxygen species (ROS)
production, and oxidative stress in pancreatic β-cells may be tightly linked
processes. Here we suggest that the same pathways used in the activation of ...
Cited by 54 - Related articles - BL Direct - All 5 versions

Interaction between pro-inflammatory and anti-inflammatory cytokines in insulin-producing …

- endocrinology-journals.org
KLA Souza, E Gurgul-Convey, M Elsner, S … - Journal of Endocrinology, 2008 - Soc Endocrinology
Pro-inflammatory cytokines cause β-cell dysfunction and death. The aim of this
study was to investigate the interactions between different pro- and
anti-inflammatory cytokines and their effects on apoptotic β-cell death ...
Cited by 6 - Related articles - BL Direct - All 4 versions

Aortic glutathione metabolic status: time-dependent alterations in fat-fed rabbits


D Lapenna, SD Pierdomenico, G Ciofani, MA … - Atherosclerosis, 2004 - Elsevier
Little is known about the vascular metabolic status of glutathione (GSH), which
is crucial in cell antioxidant protection, in experimental conditions like
high-fat diet-induced atherosclerosis. This issue was, therefore, ...
Cited by 10 - Related articles - All 7 versions

Cytokines and nitric oxide inhibit the enzyme activity of catalase but not its protein or mRNA …

- endocrinology-journals.org [PDF] 
LA Sigfrid, JM Cunningham, N Beeharry, S … - Journal of molecular endocrinology, 2003 - Soc Endocrinology
C Carlsson 2 and IC Green Pharmacy and Biomolecular Sciences, Cockcroft
Building, Room 708, University of Brighton, Lewes Road, Brighton BN2 4GJ, UK 1
Institute of Clinical Biochemistry, Hannover Medical School, D-30623 ...
Cited by 13 - Related articles - BL Direct - All 5 versions


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