Decreased in vivo availability of the cannabinoid type 2 receptor in Alzheimer's disease

R Ahmad, A Postnov, G Bormans, J Versijpt… - European journal of …, 2016 - Springer
Purpose The cannabinoid type 2 receptor (CB 2 R) is expressed by immune cells such as
monocytes and macrophages. In the brain, CB 2 R is primarily found on microglia. CB 2 R …

PET imaging shows loss of striatal PDE10A in patients with Huntington disease

R Ahmad, S Bourgeois, A Postnov, ME Schmidt… - Neurology, 2014 - AAN Enterprises
Phosphodiesterase 10A (PDE10A) belongs to a family of enzymes that hydrolyze cyclic
adenosine monophosphate (cAMP) and cyclic guanosine monophosphate. PDE10A is highly …

Whole-Body Biodistribution and Radiation Dosimetry of the Cannabinoid Type 2 Receptor Ligand [11C]-NE40 in Healthy Subjects

R Ahmad, M Koole, N Evens, K Serdons… - Molecular imaging and …, 2013 - Springer
Purpose The type 2 cannabinoid receptor (CB2R) is part of the human endocannabinoid
system and is involved in central and peripheral inflammatory processes. In vivo imaging of the …

In vivo type 1 cannabinoid receptor availability in Alzheimer's disease

R Ahmad, K Goffin, J Van den Stock… - European …, 2014 - Elsevier
Rawaha Ahmad and Karolien Goffin managed the literature searches, statistical analyses
and they also wrote the first draft of the manuscript. All authors contributed to and have …

Quantification of 18F-JNJ-42259152, a novel phosphodiesterase 10A PET tracer: kinetic modeling and test–retest study in human brain

K Van Laere, RU Ahmad, H Hudyana… - Journal of Nuclear …, 2013 - Soc Nuclear Med
Phosphodiesterase 10A (PDE10A) plays a central role in striatal signaling and is implicated
in several neuropsychiatric disorders, such as movement disorders and schizophrenia. We …

Functional brain changes underlying irritability in premanifest H untington's disease

J Van den Stock, FL De Winter, R Ahmad… - Human brain …, 2015 - Wiley Online Library
The clinical phenotype of Huntington's disease (HD) consists of motor, cognitive and psychiatric
symptoms, of which irritability is an important manifestation. Our aim was to identify the …

[PDF][PDF] Epigenetics: The key to future diagnostics and therapeutics of lung cancer

…, H Khalaf, N Alhalabi, D Ravindran, R Ahmad… - Cureus, 2021 - cureus.com
Lung cancer is still the major cause of cancer-related mortality around the globe. The
interplay of permanent genetic and dynamic epigenetic changes leads to the onset and …

Regional changes in the type 1 cannabinoid receptor are associated with cognitive dysfunction in Parkinson's disease

J Ceccarini, C Casteels, R Ahmad, M Crabbé… - European journal of …, 2019 - Springer
Purpose The endocannabinoid system plays a regulatory role in a number of physiological
functions, including motor control but also mood, emotion, and cognition. A number of …

Human biodistribution and dosimetry of 18F-JNJ42259152, a radioligand for phosphodiesterase 10A imaging

K Van Laere, RU Ahmad, H Hudyana, S Celen… - European journal of …, 2013 - Springer
Purpose Phosphodiesterase 10A (PDE10A) is a cAMP/cGMP-hydrolysing enzyme with a
central role in striatal signalling and implicated in neuropsychiatric disorders such as …

Behavioral symptoms in premanifest Huntington disease correlate with reduced frontal CB1R levels

J Ceccarini, R Ahmad, L Van de Vliet… - Journal of Nuclear …, 2019 - Soc Nuclear Med
Many Huntington disease (HD) mutation carriers already have cognitive and psychiatric
symptoms in the premanifest (premotor) phase of the disease (pre-HD), but the molecular …