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Prostasomes are het...
Prostasomes are heterogeneous regarding size and appearance but affiliated to one DNA-containing exosome family
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- Ronquist, Göran K (author)
- Uppsala universitet,Biokemisk struktur och funktion,Klinisk kemi
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- Larsson, Anders (author)
- Uppsala universitet,Biokemisk struktur och funktion,Klinisk kemi
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- Stavreus-Evers, Anneli (author)
- Uppsala universitet,Obstetrik & gynekologi
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- Ronquist, Gunnar (author)
- Uppsala universitet,Biokemisk struktur och funktion,Klinisk kemi
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(creator_code:org_t)
- 2012-04-26
- 2012
- English.
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In: The Prostate. - : Wiley. - 0270-4137 .- 1097-0045. ; 72:16, s. 1736-1745
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- BACKGROUND:Prostate acinar epithelial cells release microvesicles (prostasomes) that possess pleiotropic biological effects relevant for successful fertilization. Prostasomes are formed in a similar way as exosomes but are heterogeneous as regards size and appearance. Like exosomes they are thought to be mediators of intercellular communication.METHODS:We prepared seminal prostasomes in accordance with the prevailing protocol for exosome preparation including passage through a 0.2 µm filter and centrifugation in a sucrose gradient.RESULTS:We compared the "filterable prostasomes" with those trapped on the filter ("nonfilterable prostasomes") and, qualitatively, no conspicuous differences were apparent regarding ultrastructure and SDS-PAGE banding pattern. Moreover, both types of prostasomes contained DNA fragments and Western blot revealed presence of prostate specific membrane antigen (PSMA), CD38, and annexin A1.CONCLUSIONS: Reasonably, prostasomes could be included in the exosome family and be regarded as one entity containing chromosomal DNA.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Urologi och njurmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Urology and Nephrology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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