Inflammation and oxidative stress: the molecular connectivity between insulin resistance, obesity, and Alzheimer's disease

…, M Sabale, J Rowles, N Wijesekara… - Mediators of …, 2015 - Wiley Online Library
Type 2 diabetes (T2DM), Alzheimer’s disease (AD), and insulin resistance are age‐related
conditions and increased prevalence is of public concern. Recent research has provided …

The link between type 2 diabetes and neurodegeneration: roles for amyloid-β, amylin, and tau proteins

P Bharadwaj, N Wijesekara… - Journal of …, 2017 - journals.sagepub.com
A wealth of evidence indicates a strong link between type 2 diabetes (T2D) and
neurodegenerative diseases such as Alzheimer’s disease (AD). Although the precise mechanism …

Amyloid‐β and islet amyloid pathologies link Alzheimer's disease and type 2 diabetes in a transgenic model

N Wijesekara, R Ahrens, M Sabale, L Wu… - The FASEB …, 2017 - Wiley Online Library
Alzheimer’s disease (AD) and type 2 diabetes (T2D) present a significant risk to each other.
AD and T2D are characterized by deposition of cerebral amyloid‐β (Aβ) and pancreatic …

Insulin storage and glucose homeostasis in mice null for the granule zinc transporter ZnT8 and studies of the type 2 diabetes–associated variants

TJ Nicolson, EA Bellomo, N Wijesekara, MK Loder… - Diabetes, 2009 - diabetesjournals.org
OBJECTIVE Zinc ions are essential for the formation of hexameric insulin and hormone
crystallization. A nonsynonymous single nucleotide polymorphism rs13266634 in the SLC30A8 …

Muscle-specific Pten deletion protects against insulin resistance and diabetes

N Wijesekara, D Konrad, M Eweida… - … and cellular biology, 2005 - Taylor & Francis
Pten (phosphatase with tensin homology), a dual-specificity phosphatase, is a negative
regulator of the phosphoinositide 3-kinase (PI3K)/Akt signaling pathway. Pten regulates a vast …

[HTML][HTML] Adiponectin-induced ERK and Akt phosphorylation protects against pancreatic beta cell apoptosis and increases insulin gene expression and secretion

N Wijesekara, M Krishnamurthy, A Bhattacharjee… - Journal of Biological …, 2010 - Elsevier
The functional impact of adiponectin on pancreatic beta cells is so far poorly understood.
Although adiponectin receptors (AdipoR1/2) were identified, their involvement in adiponectin-…

miR-33a modulates ABCA1 expression, cholesterol accumulation, and insulin secretion in pancreatic islets

N Wijesekara, L Zhang, MH Kang, T Abraham… - Diabetes, 2012 - diabetesjournals.org
Changes in cellular cholesterol affect insulin secretion, and β-cell–specific deletion or loss-of-function
mutations in the cholesterol efflux transporter ATP-binding cassette transporter A1 (…

[HTML][HTML] The identification of potential factors associated with the development of type 2 diabetes: a quantitative proteomics approach

H Lu, Y Yang, EM Allister, N Wijesekara… - Molecular & Cellular …, 2008 - Elsevier
Type 2 diabetes (T2D) arises when pancreatic β-cells fail to compensate for systemic insulin
resistance with appropriate insulin secretion. However, the link between insulin resistance …

Loss of both ABCA1 and ABCG1 results in increased disturbances in islet sterol homeostasis, inflammation, and impaired β-cell function

JK Kruit, N Wijesekara, C Westwell-Roper… - Diabetes, 2012 - diabetesjournals.org
Cellular cholesterol homeostasis is important for normal β-cell function. Disruption of cholesterol
transport by decreased function of the ATP-binding cassette (ABC) transporter ABCA1 …

Islet cholesterol accumulation due to loss of ABCA1 leads to impaired exocytosis of insulin granules

JK Kruit, N Wijesekara, JEM Fox, XQ Dai… - Diabetes, 2011 - diabetesjournals.org
OBJECTIVE The ATP-binding cassette transporter A1 (ABCA1) is essential for normal insulin
secretion from β-cells. The aim of this study was to elucidate the mechanisms underlying …