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    Kaposi's sarcoma and protection from HIV dementia (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-05-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liestael, K -- Goplen, A K -- Dunlop, O -- Bruun, J N -- Maehlen, J -- New York, N.Y. -- Science. 1998 Apr 17;280(5362):361-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9575077" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Dementia Complex/*prevention & control ; AIDS-Related Opportunistic Infections/*immunology/virology ; Chemokines/*metabolism ; Confounding Factors (Epidemiology) ; HIV-1/*metabolism ; Herpesvirus 8, Human/immunology/metabolism ; Humans ; Microglia/metabolism/*virology ; Receptors, CCR3 ; Receptors, Chemokine/metabolism ; Receptors, HIV/metabolism ; Regression Analysis ; Sarcoma, Kaposi/*immunology/virology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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    The evolution of post-starburst galaxies from z=2 to 0.5 (2016)
    Oxford University Press
    Details
    Publication Date: 2016-09-15
    Description: We present the evolution in the number density and stellar mass functions of photometrically selected post-starburst galaxies in the UKIDSS Ultra Deep Survey, with redshifts of 0.5 〈  z  〈 2 and stellar masses log ( M /M ) 〉10. We find that this transitionary species of galaxy is rare at all redshifts, contributing ~5 per cent of the total population at z  ~ 2, to 〈1 per cent by z  ~ 0.5. By comparing the mass functions of quiescent galaxies to post-starburst galaxies at three cosmic epochs, we show that rapid quenching of star formation can account for 100 per cent of quiescent galaxy formation, if the post-starburst spectral features are visible for ~250 Myr. The flattening of the low-mass end of the quiescent galaxy stellar mass function seen at z  ~ 1 can be entirely explained by the addition of rapidly quenched galaxies. Only if a significant fraction of post-starburst galaxies have features that are visible for longer than 250 Myr, or they acquire new gas and return to the star-forming sequence, can there be significant growth of the red sequence from a slower quenching route. The shape of the mass function of these transitory post-starburst galaxies resembles that of quiescent galaxies at z  ~ 2, with a preferred stellar mass of log ( M /M ) ~10.6, but evolves steadily to resemble that of star-forming galaxies at z  〈 1. This leads us to propose a dual origin for post-starburst galaxies: (1) at z 2 they are exclusively massive galaxies that have formed the bulk of their stars during a rapid assembly period, followed by complete quenching of further star formation; (2) at z 1 they are caused by the rapid quenching of gas-rich star-forming galaxies, independent of stellar mass, possibly due to environment and/or gas-rich major mergers.
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press
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