James R. Blackburn

ORCID: 0000-0003-0744-5275
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Research Areas
  • Neurotransmitter Receptor Influence on Behavior
  • Memory and Neural Mechanisms
  • Receptor Mechanisms and Signaling
  • Neuroscience and Neuropharmacology Research
  • Neuroendocrine regulation and behavior
  • Regulation of Appetite and Obesity
  • Behavioral and Psychological Studies
  • Stress Responses and Cortisol
  • Nausea and vomiting management
  • Gambling Behavior and Treatments
  • Sexuality, Behavior, and Technology
  • Pituitary Gland Disorders and Treatments
  • Mental Health Research Topics
  • Genetic Syndromes and Imprinting
  • Neuroendocrine Tumor Research Advances
  • Attention Deficit Hyperactivity Disorder
  • Neurofibromatosis and Schwannoma Cases
  • Thyroid Cancer Diagnosis and Treatment
  • Myasthenia Gravis and Thymoma
  • Thyroid Disorders and Treatments
  • Glioma Diagnosis and Treatment
  • Action Observation and Synchronization
  • Treatment of Major Depression
  • Olfactory and Sensory Function Studies
  • Biochemical Analysis and Sensing Techniques

Alder Hey Children's Hospital
2019-2025

University of Liverpool
2019-2025

William Harvey Research Institute
2021-2025

Queen Mary University of London
2021-2025

Barts Health NHS Trust
2025

Royal London Hospital
2025

West Virginia University
2023

Alder Hey Children's NHS Foundation Trust
2018-2022

Royal Devon & Exeter NHS Foundation Trust
2011

Dalhousie University
2001-2002

Changes in the activity of dopamine-containing systems relation to preparatory and consummatory feeding responses were investigated. In Experiment 1 rats conditioned associate food delivery with presentation a conditional stimulus (CS+). When sacrificed after exposure CS+ alone on test trial, ratio dopamine metabolite 3,4-dihydroxyphenylacetic acid (DOPAC/DA ratio) was increased significantly nucleus accumbens. A similar trend homovanillic (HVA/DA also observed. Similar increases observed...

10.1037//0735-7044.103.1.15 article EN Behavioral Neuroscience 1989-01-01

The involvement of dopaminergic systems in appetitive and ingestive feeding behaviors was investigated two experiments. Conditioned preparatory responses to a conditional stimulus (CS+) signaling delivery meal were attenuated rats by doses 0.4 0.6 mg/kg the dopamine receptor antagonist pimozide. In contrast, animals responded normal fashion following food. Similarly, separate study, 20-min free-feeding intake liquid diet that had been deprived food for 23 hr unaffected pimozide as high...

10.1037//0735-7044.101.3.352 article EN Behavioral Neuroscience 1987-01-01

Approximately 20% of all cancer patients will develop brain metastases in their lifespan. The standard care for with multiple is whole-brain radiation therapy, which disrupts the blood-brain barrier. Previous studies have shown inflammatory mediators play a role radiation-mediated increase permeability. Our goal was to determine if differential permeability post-radiation occurs between immunocompetent and immunocompromised mice.We utilized commissioned preclinical irradiator irradiate...

10.1186/s13014-023-02215-6 article EN cc-by Radiation Oncology 2023-02-03

Journal Article Understanding Paulo Freire: reflections on the origins, concepts, and possible pitfalls of his educational approach Get access James Blackburn Search for other works by this author on: Oxford Academic Google Scholar Community Development Journal, Volume 35, Issue 1, January 2000, Pages 3–15, https://doi.org/10.1093/cdj/35.1.3 Published: 01 2000

10.1093/cdj/35.1.3 article EN Community Development Journal 2000-01-01

Stearate-modified graphite paste electrodes were implanted chronically into dopamine terminal regions in the nucleus accumbens or caudate of rat. Reverse dialysis was used to demonstrate a selective response these dopamine, but not 3,4-dihydroxyphenylacetic acid ascorbic acid. In separate behavioural experiment, significant increase chronoamperometric observed during presentation conditional stimulus predictive food, and electrochemical remained elevated following consumption meal. Similar...

10.1139/y93-059 article EN Canadian Journal of Physiology and Pharmacology 1993-05-01

The main features of immunoglobulin superfamily, member 1 (IGSF1) deficiency are central hypothyroidism and macroorchidism. phenotype can be variable may include macrosomia, hypoprolactinemia, growth hormone (GH) secretory abnormalities, delayed puberty, obesity. We describe a novel de novo nonsense pathogenic variant c.3343C > T, p.(Gln1115*) that localizes to the 12th last immunoglobulin-like loop in C-terminal domain protein. patient was born breech with birth weight 3.7 kg. At...

10.1210/jcemcr/luaf033 article EN PubMed 2025-05-01

Abstract Germline mutations in BRAF and other components of the MAPK pathway are associated with congenital syndromes collectively known as RASopathies. Here, we report association Septo-Optic Dysplasia (SOD) including hypopituitarism Cardio-Facio-Cutaneous (CFC) syndrome patients harbouring . Phosphoproteomic analyses demonstrate that these genetic variants gain-of-function leading to activation pathway. Activation by conditional expression Braf V600E/ + allele, or knock-in Q241R/+ allele...

10.1038/s41467-021-21712-4 article EN cc-by Nature Communications 2021-04-01

The effects of metoclopramide and thioridazine on feeding behaviors male hooded rats were investigated in 2 experiments. Metoclopramide (2.5-7.5 mg/kg) attenuated conditioned preparatory responses to a conditional stimulus signaling delivery meal. However, consummatory affected only by the highest dose. Similar had previously been observed following administration pimozide (Blackburn, Phillips, & Fibiger, 1987). Thioridazine (10-30 no significant effect any measure behavior. different drugs...

10.1037//0735-7044.103.4.903 article EN Behavioral Neuroscience 1989-01-01

The authors examined heart rate responses to video lottery terminal (VLT) play and alcohol intake. Forty-four VLT players were randomized an (mean blood concentration=0.06%) or a control beverage condition. Heart was recorded at pre- postdrinking baseline during play. Alcohol participants displayed elevated rates relative controls Controls both baselines, whereas elevations post- predrinking postdrinking. increases from greater among controls. Results provide novel information that the...

10.1037/0893-164x.19.1.94 article EN Psychology of Addictive Behaviors 2005-03-01
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