Cited by 212Regulation of Appetite and ObesityAdipokines, Inflammation, and Metabolic DiseasesEating Disorders and Behaviors

Leptin replacement alters brain response to food cues in genetically leptin-deficient adults.

Open access
Baicy, Kate, London, Edythe D., Monterosso, John, Wong, Ma-Li, Delibasi, Tuncay, Sharma, Anil, Licinio, Julio·2007·Proceedings of the National Academy of Sciences

Abstract

A missense mutation in the ob gene causes leptin deficiency and morbid obesity. Leptin replacement to three adults with this mutation normalized body weight and eating behavior. Because the neural circuits mediating these changes were unknown, we paired functional magnetic resonance imaging (fMRI) with presentation of food cues to these subjects. During viewing of food-related stimuli, leptin replacement reduced brain activation in regions linked to hunger (insula, parietal and temporal cortex) while enhancing activation in regions linked to inhibition and satiety (prefrontal cortex). Leptin appears to modulate feeding behavior through these circuits, suggesting therapeutic targets for human obesity.

Integrity signals

Registry

Crossref · 10.1073/pnas.0706481104

Cites

27 of 27 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

We couldn’t retrieve this paper’s full text, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Normal individuals typically show this activity only in the starved state and do not show this response after eating.

    “Normal individuals typically show this activity only in the starved state and do not show this response after eating.”

    From Leptin at 14 y of age: an ongoing story (2009) · cites this paper as [53]

  • In leptin-deficient subjects, functional magnetic resonance imaging reveals a marked increase in activity in the nucleus accumbens in response to images of food even after eating.

    “Consistent with this, functional magnetic resonance imaging of leptin-deficient subjects has revealed a marked increase in activity in the nucleus accumbens in response to images of food even after eating (52)(53)(54).”

    From Leptin at 14 y of age: an ongoing story (2009) · cites this paper as [53]

  • Leptin-deficient patients show markedly different food preferences and perception of food than do normal individuals.

    “In addition, leptin-deficient patients show markedly different food preferences and perception of food than do normal individuals (52)(53)(54).”

    From Leptin at 14 y of age: an ongoing story (2009) · cites this paper as [53]

  • Leptin therapy normalizes the increased accumbens activity after eating in leptin-deficient patients.

    “The activity that is seen in the accumbens in leptin-deficient patients after eating was normalized by the use of leptin therapy (52)(53)(54).”

    From Leptin at 14 y of age: an ongoing story (2009) · cites this paper as [53]

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Baicy, K., London, E. D., Monterosso, J., Wong, M.-L., Delibasi, T., Sharma, A., & Licinio, J.
Affiliations
  • University of California, Los Angeles (US)
  • Department of Psychiatry and Biobehavioral Sciences and Semel Institute, and
  • University of Miami (US)
  • Center for Pharmacogenomics, Department of Psychiatry and Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136; and
Venue
Proceedings of the National Academy of Sciences
Published
2007-11-13
Volume
104
Issue
46
Pages
18276-18279
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2094808974
Cited by
212
References
27
Citations by year
2026: 1 · 2025: 3 · 2024: 6 · 2023: 5 · 2022: 7 · 2021: 10 · 2020: 5 · 2019: 9 · 2018: 9 · 2017: 13 · 2016: 11 · 2015: 10 · 2014: 10 · 2013: 20 · 2012: 25
FWCI
5.85
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute on Drug Abuse (DA021961, P20DA022539, DA 022539, R01DA020726, DA 020726, F30DA021961)
  • National Institute of General Medical Sciences (U01GM061394, GM-08042, GM061394, T32GM008042)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK 058851, R01DK063240, DK-063240, R01DK058851)
  • National Center for Research Resources (RR 016996, RR00865, K24RR017365, M01RR000865, K24RR016996, RR017365)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Social Sciences › Psychology › Clinical Psychology › Eating Disorders and Behaviors
Keywords
leptin replacement, leptin deficiency, food cues, hunger, satiety, feeding behavior, insula, prefrontal cortex, obesity, brain activation, dietary habits
MeSH terms
Brain, Feeding Behavior, Humans, Magnetic Resonance Imaging, Leptin

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review