PubMed

Prolonged Culture of Human Islets Induces ER Stress.

Erbel S, Reers C, Nawroth PP, Ritzel RA.

Exp Clin Endocrinol Diabetes. 2009 Oct 17. [Epub ahead of print]PMID: 19838981 [PubMed - as supplied by publisher]Related articles

Annexin A5 directly interacts with amyloidogenic proteins and reduces their toxicity.

Bedrood S, Jayasinghe S, Sieburth D, Chen M, Erbel S, Butler PC, Langen R, Ritzel RA.

Biochemistry. 2009 Nov 10;48(44):10568-76.PMID: 19810772 [PubMed - indexed for MEDLINE]Related articles

Therapeutic approaches based on beta-cell mass preservation and/or regeneration.

Ritzel RA.

Front Biosci. 2009 Jan 1;14:1835-50. Review.PMID: 19273167 [PubMed - indexed for MEDLINE]Related articles

[Invasive diagnostic procedures for insulinomas of the pancreas]

Nöldge G, Weber MA, Ritzel RA, Werner MJ, Kauczor HU, Grenacher L.

Radiologe. 2009 Mar;49(3):224-32. German. PMID: 19198794 [PubMed - indexed for MEDLINE]Related articles

Impaired islet turnover in human donor pancreata with aging.

Reers C, Erbel S, Esposito I, Schmied B, Büchler MW, Nawroth PP, Ritzel RA.

Eur J Endocrinol. 2009 Feb;160(2):185-91. Epub 2008 Nov 12.PMID: 19004984 [PubMed - indexed for MEDLINE]Related articles

Comparison of pancreas-transplanted type 1 diabetic patients with portal-venous versus systemic-venous graft drainage: impact on glucose regulatory hormones and the growth hormone/insulin-like growth factor-I axis.

Frystyk J, Ritzel RA, Maubach J, Büsing M, Lück R, Klempnauer J, Schmiegel W, Nauck MA.

J Clin Endocrinol Metab. 2008 May;93(5):1758-66. Epub 2008 Mar 4.PMID: 18319317 [PubMed - indexed for MEDLINE]Related articlesFree article

Proliferation of colo-357 pancreatic carcinoma cells and survival of patients with pancreatic carcinoma are not altered by insulin glargine.

Erbel S, Reers C, Eckstein VW, Kleeff J, Büchler MW, Nawroth PP, Ritzel RA.

Diabetes Care. 2008 Jun;31(6):1105-11. Epub 2008 Mar 3.PMID: 18316392 [PubMed - indexed for MEDLINE]Related articlesFree article

Diagnosis and localization of insulinoma after negative laparotomy by hyperinsulinemic, hypoglycemic clamp and intra-arterial calcium stimulation.

Ritzel RA, Isermann B, Schilling T, Knaebel HP, Büchler MW, Nawroth PP.

Rev Diabet Stud. 2004 Spring;1(1):42-6. Epub 2004 May 10.PMID: 17491664 [PubMed]Related articlesFree article

[Prevention of type 2 diabetes mellitus: proven and new aspects]

Ritzel RA, Isermann B, Woerle HJ.

Dtsch Med Wochenschr. 2007 May 11;132(19):1057-61. Review. German. No abstract available. PMID: 17476638 [PubMed - indexed for MEDLINE]Related articles

Preserved GLP-1 effects in a diabetic patient with Cushing's disease.

Ritzel RA, Kleine N, Holst JJ, Willms B, Schmiegel W, Nauck MA.

Exp Clin Endocrinol Diabetes. 2007 Feb;115(2):146-50.PMID: 17318778 [PubMed - indexed for MEDLINE]Related articles

Human islet amyloid polypeptide oligomers disrupt cell coupling, induce apoptosis, and impair insulin secretion in isolated human islets.

Ritzel RA, Meier JJ, Lin CY, Veldhuis JD, Butler PC.

Diabetes. 2007 Jan;56(1):65-71.PMID: 17192466 [PubMed - indexed for MEDLINE]Related articlesFree article

Relationship between beta-cell mass and fasting blood glucose concentration in humans.

Ritzel RA, Butler AE, Rizza RA, Veldhuis JD, Butler PC.

Diabetes Care. 2006 Mar;29(3):717-8. No abstract available. PMID: 16505537 [PubMed - indexed for MEDLINE]Related articlesFree article

Pancreatic beta-cells secrete insulin in fast- and slow-release forms.

Michael DJ, Ritzel RA, Haataja L, Chow RH.

Diabetes. 2006 Mar;55(3):600-7.PMID: 16505221 [PubMed - indexed for MEDLINE]Related articlesFree article

Increased vulnerability of newly forming beta cells to cytokine-induced cell death.

Meier JJ, Ritzel RA, Maedler K, Gurlo T, Butler PC.

Diabetologia. 2006 Jan;49(1):83-9. Epub 2005 Dec 2.PMID: 16323002 [PubMed - indexed for MEDLINE]Related articles

The mass, but not the frequency, of insulin secretory bursts in isolated human islets is entrained by oscillatory glucose exposure.

Ritzel RA, Veldhuis JD, Butler PC.

Am J Physiol Endocrinol Metab. 2006 Apr;290(4):E750-6. Epub 2005 Nov 8.PMID: 16278244 [PubMed - indexed for MEDLINE]Related articlesFree article

Induction of beta-cell rest by a Kir6.2/SUR1-selective K(ATP)-channel opener preserves beta-cell insulin stores and insulin secretion in human islets cultured at high (11 mM) glucose.

Ritzel RA, Hansen JB, Veldhuis JD, Butler PC.

J Clin Endocrinol Metab. 2004 Feb;89(2):795-805.PMID: 14764798 [PubMed - indexed for MEDLINE]Related articlesFree article

Replication increases beta-cell vulnerability to human islet amyloid polypeptide-induced apoptosis.

Ritzel RA, Butler PC.

Diabetes. 2003 Jul;52(7):1701-8.PMID: 12829636 [PubMed - indexed for MEDLINE]Related articlesFree article

Glucose stimulates pulsatile insulin secretion from human pancreatic islets by increasing secretory burst mass: dose-response relationships.

Ritzel RA, Veldhuis JD, Butler PC.

J Clin Endocrinol Metab. 2003 Feb;88(2):742-7.PMID: 12574208 [PubMed - indexed for MEDLINE]Related articlesFree article