signaling mechanisms between the immune system and the cns

Báo cáo khoa học: Post-ischemic brain damage: the endocannabinoid system in the mechanisms of neuronal death ppt

Ngày tải lên : 07/03/2014, 03:20

... dissecting the role of the endocannabinoid system in physiology as well as in pathological processes The system incorporates the endocannabinoids, their synthetic and degradative enzymes, the endocannabinoid ... nervous system (CNS) [12] whereas CB2 receptors are almost The endocannabinoid system in cerebral ischemia exclusively expressed in the immune system [13,14] The best characterized endogenous ligands ... phospholipase D and diacylglycerol (DAG) lipase [8] Because of their lipid solubility, AEA and 2-AG cannot be stored in vesicles and therefore they are synthesized on demand and travel, in a...

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Báo cáo khóa học: Collectins Players of the innate immune system docx

Ngày tải lên : 07/03/2014, 15:20

... carbohydrate ligands on the microbial surface [83] on the one hand, and on the degree of oligomerization of the collectin [66], on the other Clustering of glycoproteins or glycolipids on the surface ... polysaccharides, and binding was shown to be dependent on the nature of the glycosidic linkage between monosaccharide units, as the hydroxyl groups on the 2– and 3– or on the 3– and 4– position ... inactivation of the organism by activation of the complement cascade [93,94] On the other hand, by binding to C1q and thereby preventing association of C1q with C1r and C1s, SP-A can prevent the formation...

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Paradoxical roles of the immune system during cancer development docx

Ngày tải lên : 15/03/2014, 01:20

... adaptive immune cells They are, therefore, key players in the interface between innate and adaptive immunity NK cells also participate in cellular crosstalk between innate and adaptive immune cells ... cancer, either because they are maintaining low-level chronic inflammation as a consequence of defects in their natural immune defence mechanisms, and/ or because they fail to normalize their immune ... increased when there is a previous history of alcohol and tobacco use66,67 On the other hand, the RR for the most common non-viral-associated solid tumours of epithelial origin is decreased in immune- suppressed...

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Cancer of the Brain and Other Central Nervous System doc

Ngày tải lên : 22/03/2014, 17:20

... patients with other CNS cancer, the spine was the most common primary site (53.9% of total), followed by the brain (41.3% of total) and other (4.8% of total) Other CNS cancers in the brain (malignant ... individuals with other CNS cancer These relative survival estimates show the distinct difference between the two types of cancer even though they both affect the central nervous system; therefore, brain ... Chapter 25 Cancer of the Brain and Nervous System For all analyses, brain cancer and other CNS cancer are analyzed separately because of the distinct differences between these two groups in clinical...

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Báo cáo khoa học: Modulation of the endocannabinoid system by focal brain ischemia in the rat is involved in neuroprotection afforded by 17b-estradiol pdf

Ngày tải lên : 23/03/2014, 07:20

... cleaves the amide bond to form arachidonic acid and ethanolamine [5] Taken together, AEA, its congeners and the proteins that bind, synthesize or transport them form the ‘endocannabinoid system ... reanesthetized with isoflurane, and the nylon filament was withdrawn h after MCAo After the discontinuation of isoflurane and wound closure, the animals were allowed to wake and were kept in their ... the brain against focal ischemia [35] In order to investigate the role of the endocannabinoid system in the neuroprotection afforded by estrogen, the effect of acute treatment with Fig FAAH and...

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Báo cáo Y học: A new siglec family member, siglec-10, is expressed in cells of the immune system and has signaling properties similar to CD33 docx

Ngày tải lên : 24/03/2014, 04:21

... digesting the fragment with HindIII and Bgl II and the plasmid with HindIII and Bam HI The fragment was ligated into the plasmid and the integrity of the insertion was validated by digesting the plasmid ... purified (< 820 bp) The insert was then ligated into the pSPORT vector and the resulting full-length siglec-10 clone was designated 995-2 and the sequence was verified against the other siglec-10 clones ... peripheral blood cells The anti-(siglec-10) Ig recognized a single band approximately at the expected Mr of between 90 and 120 kDa There were no other visible bands, implying that the antibody is specific...

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brain facts a primer on the brain and nervous system - the society for neuroscience

Ngày tải lên : 08/04/2014, 13:13

... understanding the brain, spinal cord and peripheral nervous system Neuroscientists investigate the molecular and cellular levels of the nervous system; the neuronal systems responsible for sensory and ... receptors in blood vessels and other structures, Thymus and Immune System these substances ready the heart and working muscles for action Muscle In the parasympathetic nervous system, acetylcholine ... appetite and digestion—are common Some of these symptoms may reﬂect the fact that the disorder a∑ects the delicate hormonal feedback system linking the hypothalamus, the pituitary gland and the adrenal...

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Design of a near infrared spectrophotometry brain imaging system

Ngày tải lên : 16/04/2014, 01:56

... rather than portable Due to the number of channels used and the complexity of the system, it is fairly large, though comparatively small compared to Laser NIRS systems The ideas used in the system ... it hard to melt the toner from the paper onto the copper The glossy paper was then placed onto the copper board and ironed with a standard household clothes iron set to high The iron was left ... sent the message ’S’, to message the device to begin acquiring data The program then receives the data The data is split into two parts the upper bit and the lower bits when it is received The...

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scientific american - 1993 09 - special issue - life, death, and the immune system

Ngày tải lên : 12/05/2014, 14:50

... interlopers and guide the bodyÕs defenses This process is crucial to the function of the immune system and its failure 80 How the Immune System Recognizes the Body Philippa Marrack and John W Kappler The ... chemicals that boost the activity of other cells in the immune system the junctions between the V and D or D and J segments when they interlink, which further increases the number of possible ... American, Inc Life, Death and the Immune System By defining and defending the self, the immune system makes life possible; malfunction causes illness and death Study of the system provides a unifying...

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báo cáo hóa học:" Angiostatin anti-angiogenesis requires IL-12: The innate immune system as a key target" docx

Ngày tải lên : 18/06/2014, 15:20

... although AST seems to have no effect in the same system [15] There is rapidly expanding evidence that immune system components, in particular the innate immune system, play a key role in induction ... only the IL-12Rβ2 subunit is unique to the IL-12 system By analogy, IL-12 is a heterodimer formed by the p35 and p40 subunits; while the related IL-23 is formed by the IL-12p40 subunit and p19, ... GL and MM carried out the in vivo studies MP, GL and AM carried out the in vitro immunoassays and RTPCR analyses AS participated in the design of the in vitro studies AA, CB, DMN conceived the...

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Báo cáo sinh học: " Modulation of macrophage functions by sheeppox virus provides clues to understand interaction of the virus with host immune system" docx

Ngày tải lên : 18/06/2014, 22:20

... infectivity Later and systemically, the virus protects the host from any fatal consequences of the suppression of the immune system by compensatory enhanced activities of splenic macrophages and lymphocytes ... experimental work and drafting of the manuscript Abdel-Moneim conceived the study, designed and carried out the experimental work and drafted the manuscript All authors read and approved the final manuscript ... has the capacity to impair the initiation of an acquired immune response [16,21] If the viruses fail to secrete such immunomodulating proteins, as when the respective genes are deleted or the...

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Báo cáo hóa học: " Effectiveness of a Wii balance board-based system (eBaViR) for balance rehabilitation: a pilot randomized clinical trial in patients with acquired brain injury" ppt

Ngày tải lên : 19/06/2014, 08:20

... rehabilitation [24,25] The system calibrates the maximum excursion of the patients and adapts the range of motion of the exercises to fit their impairment In addition, the therapist can configure the difficulty ... RL and MA contributed to the design of the study, the software development and the interpretation of the results CC contributed to the design of the study, to the assessment of patients, to the ... of the patients during the rehabilitative process and providing the therapists with objective data of the evolution of the patients The first goal is achieved thanks to the interface used in the...

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Báo cáo hóa học: " Brain-Computer Interface Controlled Functional Electrical Stimulation System for Ankle Movement" doc

Ngày tải lên : 19/06/2014, 08:20

... means of the MCU The FES device then stimulates the TA muscle of the foot, thereby causing contralateral dorsifiexion The inset shows the MCU connected to the neuromuscular stimulator and the placement ... during the training procedures revealed that the EEG power in the μ, b and low-g bands were responsible for encoding the differences between idling and dorsifiexion states The change in the signal ... and implemented the hardware integration between the BCI computer and the FES system, and programmed the microcontroller ZN designed the signal processing, pattern recognition, and classification...

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báo cáo hóa học: " Application of a hybrid wavelet feature selection method in the design of a self-paced brain interface system" pptx

Ngày tải lên : 19/06/2014, 10:20

... indicate the number of NC epochs used in their study, so critical commentary on the performance of their BI system cannot be made The invasiveness of the recording technology of the BI system in ... crossover and uniform mutation The sizes of the initial population and the population in the next generations were chosen as 100 and 50, respectively We used random initialization to initialize the ... subject, IC and NC epochs were randomized and divided into training, validation and test sets The training set was used to train the classifier, and the validation set was used to select the best...

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báo cáo hóa học: " Expression of innate immune complement regulators on brain epithelial cells during human bacterial meningitis" docx

Ngày tải lên : 19/06/2014, 22:20

... Cregs and so evading the host innate immune defense mechanisms [29,39-41] A better understanding of the cellular and molecular innate immune responses in the CNS and deciphering the Page of (page ... data emphasise the key role of brain epithelial cells to integrate and further orchestrate the local innate immune response with the production of innate components of the complement system while ... infiltrate the meninges and choroid plexus and gain access to the brain parenchyma [25] Moreover, these infectious challenges will promote a sustained cellular and molecular innate immune responses, the...

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báo cáo hóa học: " Increased circulating leukocyte numbers and altered macrophage phenotype correlate with the altered immune response to brain injury in metallothionein (MT) -I/II null mutant mice" doc

Ngày tải lên : 19/06/2014, 22:20

... absence of the neuroprotective effects of MT-I/II in the CNS or the absence of the modulatory effects that MT-I/II has on the immune system The infiltration of neutrophils into CNS injuries is the most ... neurotoxic and can impede the resolution of brain injury [19-21] It is feasible that the number of immune cells entering the CNS can influence the progression of brain injury but the phenotype of the immune ... applied directly to the skull for seconds The stereotaxic coordinates for the injury site were mm anterior of lambda and mm right of the midline The skin was sutured and the animal was allowed...

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báo cáo hóa học:" Modulation of macrophage functions by sheeppox virus provides clues to understand interaction of the virus with host immune system" doc

Ngày tải lên : 20/06/2014, 04:20

... infectivity Later and systemically, the virus protects the host from any fatal consequences of the suppression of the immune system by compensatory enhanced activities of splenic macrophages and lymphocytes ... experimental work and drafting of the manuscript Abdel-Moneim conceived the study, designed and carried out the experimental work and drafted the manuscript All authors read and approved the final manuscript ... has the capacity to impair the initiation of an acquired immune response [16,21] If the viruses fail to secrete such immunomodulating proteins, as when the respective genes are deleted or the...

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Báo cáo sinh học: "Parasite immunomodulation and polymorphisms of the immune system" ppsx

Ngày tải lên : 06/08/2014, 19:20

... deeper understanding of the intimate co-evolution of pathogens and the immune system 10 11 12 13 14 Acknowledgements The author’s research is supported by grants from the Wellcome Trust, the Medical ... varies markedly between pathogen species These graduated effects may, in turn, have driven quantitative polymorphisms in the contemporary immune system that control the strength of the immune response, ... [8] and animal models [9] The best-understood of these suppressive systems is the regulatory T cell (Treg), a cellular safety catch on the immune response that normally blocks autoimmunity and...

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Báo cáo sinh học: "Beyond toxicity: aryl hydrocarbon receptor-mediated functions in the immune system" docx

Ngày tải lên : 06/08/2014, 19:21

... just the beginning We still know little about the physiological impact of AhR expression on other cells of the immune system and the consequences of exposure to AhR ligands for these Given the ... http://jbiol.com/content/8/7/61 towards crosstalk between the immune system, the neuroendocrine system and the nervous system is more likely to come from models that use physiological ligands whose mode of action is ... remains to be seen how such endogenous AhR ligands influence various components of the immune system Unraveling the complex functions of AhR in the immune system, which may also give clues http://jbiol.com/content/8/7/61...

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