نتایج جستجو برای: phytolacca americana

تعداد نتایج: 7620  

Journal: :The Journal of clinical investigation 1985
F Miedema J W van Oostveen F G Terpstra A W van den Wall Bake R Willemze E A Rauws R Bieger M B van 't Veer D Catovsky C J Melief

The neoplastic T cells of a series of seven patients with chronic T-cell neoplasia were tested for helper activity on pokeweed mitogen (PWM)-induced and interleukin 2 (IL-2)-induced Ig synthesis. The neoplastic T cells of all patients had a T3+4+8-11+I1- phenotype but differed in expression of the 3A1 antigen. The neoplastic T cells of three patients had helper activity on both PWM- and IL-2-dr...

Journal: :Journal of neurology, neurosurgery, and psychiatry 1979
S Kawanami A Kanaide Y Itoyama Y Kuroiwa

Mitogen-induced blastoid transformation of peripheral blood lymphocytes from patients with myasthenia gravis was studied using a microplate culture technique and evaluated with 3H-thymidine incorporation. It was found that both phytohaemagglutinin and pokeweed mitogen responses decreased significantly in patients with myasthenia gravis. In myasthenic crisis, indices of stimulation by phytohaema...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2015
Makoto Ito Kenji Doya

The striatum is a major input site of the basal ganglia, which play an essential role in decision making. Previous studies have suggested that subareas of the striatum have distinct roles: the dorsolateral striatum (DLS) functions in habitual action, the dorsomedial striatum (DMS) in goal-directed actions, and the ventral striatum (VS) in motivation. To elucidate distinctive functions of subreg...

2014
James S. McDonald Mehdi Adibi Colin W. G. Clifford Ehsan Arabzadeh

We designed a behavioural paradigm for vibro-tactile detection to characterise the sampling time and performance in the rat whisker sensory system. Rats initiated a trial by nose-poking into an aperture where their whiskers came into contact with two meshes. A continuous nose-poke for a random duration triggered stimulus presentation. Stimuli were a sequence of discrete Gaussian deflections of ...

2004
Atanas Georgiev Peter K. Allen Ting Song Andrew Laine William Edstrom John Hunt

We present a microrobotic system for protein crystal micromanipulation tasks. The focus in this report is on a task called streak seeding, which is used by crystallographers to entice certain protein crystals to grow. Our system features a set of custom designed micropositioner end-effectors we call microshovels to replace traditional tools used by crystallographers for this task. We have used ...

2004
Paul Hagstrom

1. Introduction and statement of purpose The semantics of questions is a fabulously complex area of research with a very active literature and no shortage of theoretical positions often differentiated by seemingly minute details. My goal in this article is necessarily somewhat modest: to introduce some basic concepts in order to highlight some of the issues and discoveries that have been occupy...

Journal: :Mental retardation 2004
Robert Perske

Those who knew and loved 39-year-old Ricky Whistnant were thrilled by how his life kept getting better and better—that is, until Saturday afternoon, April 5, 2003, when he was beaten up in the foyer of his apartment building. A group of teenagers, thinking the pudgy, loquacious man a bit strange, followed him and poked fun at him after he left a neighborhood market in Hartford, Connecticut. Ins...

Journal: :Journal of neurophysiology 2009
Muneyoshi Takahashi Johan Lauwereyns Yoshio Sakurai Minoru Tsukada

The classical notion of hippocampal CA1 "place cells," whose activity tracks physical locations, has undergone substantial revision in recent years. Here, we provide further evidence of an abstract spatial code in hippocampal CA1, which relies on memory and adds complexity to the basic "place cell." Using a nose-poking paradigm with four male Wistar rats, we specifically concentrated on activit...

2002
C G Thompson

Aims: To assess the aetiological factors associated with the occurrence of perforating ocular injuries in children in an urban setting and to assess the visual outcomes of such injuries. Methods: All cases of perforating ocular injury presenting to a single paediatric hospital (age less than 16 years) over a 17 year period were identified by a medical record search. All new cases of perforating...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشگاه پیام نور مرکز تهران - دانشکده علوم پایه 1385

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