ELIZA

return kwic search for role out of >500 occurrences
507580 occurrences (No.24 in the rank) during 5 years in the PubMed. [cache]

463) We describe the central role these cells may play in facilitating or preventing HIV transmission across the genital mucosa, and in the initial recognition of HIV and other pathogens, allowing activation of an adaptive immune response to infection.

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PMID:24282122 DOI:10.1177/1753425913513815

2015 Innate immunity

* The role of dendritic cells in driving genital tract inflammation and HIV transmission risk: are there opportunities to intervene?

- Effective prevention of new HIV infections will require an understanding of the mechanisms involved in HIV acquisition. HIV transmission across the female genital tract is the major mode of new HIV infections in sub-Saharan Africa and involves complex processes, including cell activation, inflammation and recruitment of HIV target cells. Activated CD4(+) T-cells, dendritic cells (DC) and macrophages have been described as targets for HIV at the genital mucosa. Activation of these cells may occur in the presence of sexually-transmitted infections, disturbances of commensal flora and other inflammatory processes. In this review, we discuss causes and consequences of inflammation in the female genital tract, with a focus on DC. We describe the central role these cells may play in facilitating or preventing HIV transmission across the genital mucosa, and in the initial recognition of HIV and other pathogens, allowing activation of an adaptive immune response to infection. We discuss studies that investigate interventions to limit DC activation, inflammation and HIV transmission. This knowledge is essential in the development of novel strategies for effective HIV control, including microbicides and pre-exposure prophylaxis.

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(1)200 of	(4)14 null	(7)6 that	(10)2 by
(2)197 in	(5)9 and	(8)6 to	(11)2 during
(3)21 for	(6)9 as	(9)3 these	(12)2 limitations

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--- WordNet output for role --- =>役目, 役割, 任務, 職務, 役 Overview of noun role The noun role has 4 senses (first 4 from tagged texts) 1. (34) function, office, part, role -- (the actions and activities assigned to or required or expected of a person or group; "the function of a teacher"; "the government must do its part"; "play its role") 2. (10) character, role, theatrical role, part, persona -- (an actor's portrayal of someone in a play; "she played the part of Desdemona") 3. (8) function, purpose, role, use -- (what something is used for; "the function of an auger is to bore holes"; "ballet is beautiful but what use is it?") 4. (6) role -- (normal or customary activity of a person in a particular social setting; "what is your role on the team?") --- WordNet end ---