Cell Contact–Dependent Immunosuppression by Cd4+Cd25+Regulatory T Cells Is Mediated by Cell Surface–Bound Transforming Growth Factor β

K Nakamura, A Kitani, W Strober - The Journal of experimental medicine, 2001 - rupress.org
CD4 + CD25 + T cells have been identified as a population of immunoregulatory T cells,
which mediate suppression of CD4 + CD25 − T cells by cell–cell contact and not secretion of …

TGF-β1 plays an important role in the mechanism of CD4+ CD25+ regulatory T cell activity in both humans and mice

K Nakamura, A Kitani, I Fuss, A Pedersen… - The Journal of …, 2004 - journals.aai.org
In previous studies, we have shown that murine CD4+ CD25+ regulatory T cells produce
high levels of TGF-β1 in a cell surface and/or secreted form, and blockade of such TGF-β1 by …

Microglial activation in young adults with autism spectrum disorder

K Suzuki, G Sugihara, Y Ouchi, K Nakamura… - JAMA …, 2013 - jamanetwork.com
Context A growing body of evidence suggests that aberrant immunologic systems underlie
the pathophysiologic characteristics of autism spectrum disorder (ASD). However, to our …

Epidemiological study of gastroenteropancreatic neuroendocrine tumors in Japan

…, T Nishida, I Komoto, Y Hirata, K Nakamura… - Journal of …, 2010 - Springer
Background There have been few epidemiological studies on gastroenteropancreatic
neuroendocrine tumors (GEP-NETs) in Japan. Methods We examined the epidemiology of GEP-…

[HTML][HTML] Epidemiological trends of pancreatic and gastrointestinal neuroendocrine tumors in Japan: a nationwide survey analysis

T Ito, H Igarashi, K Nakamura, H Sasano… - Journal of …, 2015 - Springer
Background Although neuroendocrine tumors (NETs) are rare, the number of patients with
NET is increasing. However, in Japan, there have been no epidemiological studies on NET …

Methamphetamine causes microglial activation in the brains of human abusers

…, N Takei, E Yoshikawa, K Nakamura… - Journal of …, 2008 - Soc Neuroscience
Methamphetamine is a popular addictive drug whose use is associated with multiple
neuropsychiatric adverse events and toxic to the dopaminergic and serotonergic systems of the …

Brain serotonin and dopamine transporter bindings in adults with high-functioning autism

K Nakamura, Y Sekine, Y Ouchi, M Tsujii… - Archives of general …, 2010 - jamanetwork.com
Context Autism is a neurodevelopmental disorder that is characterized by repetitive and/or
obsessive interests and behavior and by deficits in sociability and communication. Although …

Transforming growth factor (TGF)-β1–producing regulatory T cells induce Smad-mediated interleukin 10 secretion that facilitates coordinated immunoregulatory …

A Kitani, I Fuss, K Nakamura, F Kumaki… - The Journal of …, 2003 - rupress.org
Interleukin (IL)-10 and transforming growth factor (TGF)-β1 are suppressor cytokines that
frequently occur together during a regulatory T cell response. Here we used a one gene …

Brain serotonin transporter density and aggression in abstinent methamphetamine abusers

…, N Takei, E Yoshikawa, K Nakamura… - Archives of general …, 2006 - jamanetwork.com
Context In animals, methamphetamine is known to have a neurotoxic effect on serotonin
neurons, which have been implicated in the regulation of mood, anxiety, and aggression. It …

Association of dopamine transporter loss in the orbitofrontal and dorsolateral prefrontal cortices with methamphetamine-related psychiatric symptoms

…, Y Ouchi, N Takei, M Iyo, K Nakamura… - American Journal of …, 2003 - Am Psychiatric Assoc
OBJECTIVE: The authors examined dopamine transporter density in the orbitofrontal cortex,
dorsolateral prefrontal cortex, and amygdala in methamphetamine users and assessed the …