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72.
Mental health care providers increasingly confront challenges posed by the introduction of new neurotechnology into the clinic,
but little is known about the impact of such capabilities on practice patterns and relationships with patients. To address
this important gap, we sought providers’ perspectives on the potential clinical translation of functional neuroimaging for
prediction and diagnosis of mental illness. We conducted 32 semi-structured telephone interviews with mental health care providers
representing psychiatry, psychology, family medicine, and allied mental health. Our results suggest that mental health providers
have begun to re-conceptualize mental illness with a neuroscience gaze. They report an epistemic commitment to the value of
a brain scan to provide a meaningful explanation of mental illness for their clients. If functional neuroimaging continues
along its projected trajectory to translation, providers will ultimately have to negotiate its role in mental health. Their
perspectives, therefore, enrich bioethical discourse surrounding neurotechnology and inform the translational pathway. 相似文献
73.
Serhiy Havrylov Maria Jolanta Redowicz Vladimir L. Buchman 《Traffic (Copenhagen, Denmark)》2010,11(6):721-731
Ruk/CIN85 is an adaptor protein. Similar to many other proteins of this type, Ruk/CIN85 is known to take part in multiple cellular processes including signal transduction, vesicle‐mediated transport, cytoskeleton remodelling, programmed cell death and viral infection. Recent studies have also revealed the potential importance of Ruk/CIN85 in cancer cell invasiveness. In this review we summarize the various roles of this protein as well as the potential contribution of Ruk/CIN85 to malignancy and the invasiveness of cancer cells. In the last section of the paper we also speculate on the utility of Ruk/CIN85 as a target for novel anti‐cancer therapies. 相似文献
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75.
Makiko Yamashita Takashi Nonaka Tetsuaki Arai Vladimir L. Buchman Sergey O. Bachurin Michel Goedert 《FEBS letters》2009,583(14):2419-2424
Amyotrophic lateral sclerosis (ALS) and frontotemporal lobar degeneration with ubiquitinated inclusions (FTLD-U) are major neurodegenerative diseases with TDP-43 pathology. Here we investigated the effects of methylene blue (MB) and dimebon, two compounds that have been reported to be beneficial in phase II clinical trials of Alzheimer’s disease (AD), on the formation of TDP-43 aggregates in SH-SY5Y cells. Following treatment with 0.05 μM MB or 5 μM dimebon, the number of TDP-43 aggregates was reduced by 50% and 45%, respectively. The combined use of MB and dimebon resulted in a 80% reduction in the number. These findings were confirmed by immunoblot analysis. The results indicate that MB and dimebon may be useful for the treatment of ALS, FTLD-U and other TDP-43 proteinopathies. 相似文献
76.
Natalia Ninkina Owen M. Peters Natalie Connor-Robson Olga Lytkina Essam Sharfeddin Vladimir L. Buchman 《The Journal of biological chemistry》2012,287(53):44471-44477
In neuronal synapses, neurotransmitter-loaded vesicles fuse with presynaptic plasma membrane in a complex sequence of tightly regulated events. The assembly of specialized SNARE complexes plays a pivotal role in this process. The function of the chaperone cysteine string protein α (CSPα) is important for synaptic SNARE complex formation, and mice lacking this protein develop severe synaptic dysfunction and neurodegeneration that lead to their death within 3 months after birth. Another presynaptic protein, α-synuclein, also potentiates SNARE complex formation, and its overexpression rescues the phenotype of CSPα null mutant mice, although these two proteins use different mechanisms to achieve this effect. α-Synuclein is a member of a family of three related proteins whose structural similarity suggests functional redundancy. Here, we assessed whether γ-synuclein shares the ability of α-synuclein to bind synaptic vesicles and ameliorate neurodegeneration caused by CSPα deficiency in vivo. Although the N-terminal lipid-binding domains of the two synucleins showed similar affinity for purified synaptic vesicles, the C-terminal domain of γ-synuclein was not able to interact with synaptobrevin-2/VAMP2. Consequently, overexpression of γ-synuclein did not have any noticeable effect on the phenotype of CSPα null mutant mice. Our data suggest that the functions of α- and γ-synucleins in presynaptic terminals are not fully redundant. 相似文献
77.
Successful transmission of plant pathogens by insects depends on the vector inoculation efficiency and how rapidly the insect can effectively transmit the pathogen to the host plant. The potato psyllid, Bactericera cockerelli (Sulc), has recently been found to transmit "Candidatus Liberibacter solanacearum," a bacterium associated with zebra chip (ZC), an emerging and economically important disease of potato in several parts of the world. Currently, little is known about the epidemiology of ZC and its vector's inoculation capabilities. Studies were conducted in the field and laboratory to 1) assess transmission efficiency of potato psyllid nymphs and adults; 2) determine whether psyllid inoculation access period affects ZC incidence, severity, and potato yield; and 3) determine how fast the psyllid can transmit liberibacter to potato, leading to ZC development. Results showed that adult potato psyllids were highly efficient vectors of liberibacter that causes ZC and that nymphs were less efficient than adults at transmitting this bacterium. It was also determined that inoculation access period had little influence on overall ZC disease incidence, severity, and resulting yield loss. Moreover, results showed that exposure of a plant to 20 adult potato psyllids for a period as short as 1 h resulted in ZC symptom development. Furthermore, it was shown that a single adult potato psyllid was capable of inoculating liberibacter to potato within a period as short as 6 h, thereby inducing development of ZC. This information will help in developing effective management strategies for this serious potato disease. 相似文献
78.
In plant pathosystems involving insect vectors, disease spread, incidence, and severity often depend on the density of the vector population and its rate of infectivity with the disease pathogen. The potato psyllid, Bactericera cockerelli (Sulc), has recently been associated with zebra chip (ZC), an emerging and economically important disease of potato in the United States, Mexico, Central America, and New Zealand. "Candidatus Liberibacter solanacearum," a previously undescribed species of liberibacter has been linked to the disease and is transmitted to potato by B. cockerelli. Experiments were conducted under laboratory and field conditions to determine the impact of B. cockerelli density on ZC incidence, potato yield, and tuber processing quality. Insect densities ranging from one to 25 liberibacter-infective psyllids per plant were used during the experiments. Results showed that a single adult potato psyllid was capable of inoculating liberibacter to potato and causing ZC disease after a 72-h inoculation access period and was as damaging as 25 psyllids per plant. In addition, ZC-diseased plants showed a sharp reduction in tuber yield but the disease response was independent of the density of psyllids. Furthermore, both glucose and sucrose were found to have highly elevated concentrations in ZC-diseased potato tubers compared with noninfected ones and psyllid density did not vary the response. The high reducing sugar concentrations found in ZC-infected potato tubers are believed to be responsible for browning and reduced quality in processed ZC-infected tubers. This information could help ZC-affected potato producers in making effective management decisions for this serious disease. 相似文献
79.
Aron S. Buchman Sue E. Leurgans Aner Weiss Veronique VanderHorst Anat Mirelman Robert Dawe Lisa L. Barnes Robert S. Wilson Jeffrey M. Hausdorff David A. Bennett 《PloS one》2014,9(1)