Early overnutrition results in early-onset arcuate leptin resistance and increased sensitivity to high-fat diet

MM Glavas, MA Kirigiti, XQ Xiao, PJ Enriori… - …, 2010 - academic.oup.com
Childhood obesity increases the risk of adult obesity and diabetes, suggesting that early
overnutrition permanently programs altered energy and glucose homeostasis. In the present …

[HTML][HTML] Suppression of food intake by Glp1r/Lepr-coexpressing neurons prevents obesity in mouse models

…, C True, SR Lindsley, MA Kirigiti… - The Journal of …, 2023 - Am Soc Clin Investig
The adipose-derived hormone leptin acts via its receptor (LepRb) in the brain to control
energy balance. A potentially unidentified population of GABAergic hypothalamic LepRb …

Maternal high‐fat diet and obesity impact palatable food intake and dopamine signaling in nonhuman primate offspring

HM Rivera, P Kievit, MA Kirigiti, LA Bauman… - …, 2015 - Wiley Online Library
Objective To utilize a nonhuman primate model to examine the impact of maternal high‐fat
diet (HFD) consumption and pre‐pregnancy obesity on offspring intake of palatable food and …

Developmental switch of leptin signaling in arcuate nucleus neurons

…, MA Kirigiti, MS Smith, MA Cowley… - Journal of …, 2014 - Soc Neuroscience
Leptin is well known for its role in the regulation of energy homeostasis in adults, a mechanism
that at least partially results from the inhibition of the activity of NPY/AgRP/GABA neurons …

Leptin is not the critical signal for kisspeptin or luteinising hormone restoration during exit from negative energy balance

C True, MA Kirigiti, P Kievit, KL Grove… - Journal of …, 2011 - Wiley Online Library
Low levels of the adipocyte hormone leptin are considered to be the key signal contributing
to inhibited gonadotrophin‐releasing hormone (GnRH) release and reproductive acyclicity …

Leptin stimulates neuropeptide Y and cocaine amphetamine-regulated transcript coexpressing neuronal activity in the dorsomedial hypothalamus in diet-induced …

SJ Lee, S Verma, SE Simonds, MA Kirigiti… - Journal of …, 2013 - Soc Neuroscience
Neuropeptide Y (NPY) neurons in both the arcuate nucleus of the hypothalamus (ARH) and
the dorsomedial hypothalamus (DMH) have been implicated in food intake and obesity. …

Proinflammatory endothelial activation detected by molecular imaging in obese nonhuman primates coincides with onset of insulin resistance and progressively …

SM Chadderdon, JT Belcik, L Bader, MA Kirigiti… - Circulation, 2014 - Am Heart Assoc
Background— Inflammation and insulin resistance (IR) are associated processes that
potentiate risk for cardiovascular disease in obesity. The temporal relation between IR and …

Regulation of food intake and gonadotropin-releasing hormone/luteinizing hormone during lactation: role of insulin and leptin

J Xu, MA Kirigiti, KL Grove, MS Smith - Endocrinology, 2009 - academic.oup.com
Negative energy balance during lactation is reflected by low levels of insulin and leptin and
is associated with chronic hyperphagia and suppressed GnRH/LH activity. We studied …

Maternal and postnatal high-fat diet consumption programs energy balance and hypothalamic melanocortin signaling in nonhuman primate offspring

…, T Frazee, G Hanna, MA Kirigiti… - American Journal …, 2017 - journals.physiology.org
Maternal high-fat-diet (HFD) consumption during pregnancy decreased fetal body weight and
impacted development of hypothalamic melanocortin neural circuitry in nonhuman primate …

GLP-1R signaling directly activates arcuate nucleus kisspeptin action in brain slices but does not rescue luteinizing hormone inhibition in ovariectomized mice during …

…, SR Lindsley, MA Kirigiti, B Bennett, MA Bosch… - Eneuro, 2017 - eneuro.org
Kisspeptin (Kiss1) neurons in the hypothalamic arcuate nucleus (ARC) are key components
of the hypothalamic-pituitary-gonadal axis, as they regulate the basal pulsatile release of …