نتایج جستجو برای: sensitization
تعداد نتایج: 17906 فیلتر نتایج به سال:
The psychostimulants amphetamine and methylphenidate (MPD/Ritalin) are the drugs most often used to treat attention deficit hyperactivity disorder (ADHD). In addition, students of all ages take these drugs to improve academic performance but also abuse them for pleasurable enhancement. In addition, other psychostimulants such as 3,4-methylenedioxymethamphetamine (MDMA/ecstasy) are used/abused f...
To obtain a broad spectral response in the visible region, TiO2 film is co-sensitized with a porphyrin dye (FNE57 or FNE59) and an organic dye (FNE46). It is found that the stepwise co-sensitization in one single dye solution followed by in another single dye solution is better than the co-sensitization in a cocktail solution in terms of photovoltaic performance. The stepwise co-sensitization f...
In drug addiction, a sensitization phenomenon has been postulated to play a critical role. The aim of our study was to evaluate whether sensitization occurs to the rewarding properties of methylphenidate, a psychostimulant drug known to possess abuse potential, as assessed with the biased conditioned place preference method in rats. In addition, since the brain dopaminergic system is considered...
Octahedral core–shell AgBr emulsions sensitized by sulphur-plus-gold with gold added at 40uC either before or after sulphur sensitization were prepared and studied. The core emulsion was sensitized with a low level of dimethylamineborane (DMAB), and it enhanced the intrinsic sensitivity and long-wavelength sensitivity of the emulsion with an unsensitized shell. Oversensitization was observed fo...
Repeated exposure to cocaine increases the density of dendritic spines on medium spiny neurons in the nucleus accumbens (Acb) and pyramidal cells in the medial prefrontal cortex (mPFC). To determine if this is associated with the development of psychomotor sensitization, rats were given daily i.p. injections of 15 mg/kg of cocaine (or saline) for 8 days, either in their home cage (which failed ...
Chronic dopamine receptor activation is implicated in several central nervous system disorders. Although acute activation of Gα(i)-coupled D(2) dopamine receptors inhibits adenylyl cyclase, persistent activation enhances adenylyl cyclase activity, a phenomenon called heterologous sensitization. Previous work revealed a requirement for Gα(s) in D(2)-induced heterologous sensitization of AC5. To ...
Purified protein derivative from Mycobacterium tuberculosis inhibits contact sensitivity to oxazolone in mice when given intravenously 24 to 72 h before the antigen. Transfer experiments showed that various types of suppressor cells occurred in the lymph nodes draining the site of sensitization: (i) anti-oxazolone idiotype + B lymphocytes, found at day 3 after sensitization, transferred suppres...
OBJECTIVES Central sensitization (CS) is regarded as an important contributing factor for chronification of musculoskeletal pain (MSP). It is crucial to identify CS, as targeted multimodal treatment may be indicated. The primary objective of this study was therefore to explore pain experience of individuals with MSP+CS in order to gain a better understanding of symptoms in relation to CS from a...
Central sensitization plays an important role in the pathophysiology of numerous musculoskeletal pain disorders, yet it remains unclear how manual therapists can recognize this condition. Therefore, mechanism based clinical guidelines for the recognition of central sensitization in patients with musculoskeletal pain are provided. By using our current understanding of central sensitization durin...
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