Abstract:
:The triple-negative breast tumor boundary is made of aligned, linear collagen. The pro-oncogenic impact of linear collagen is well established; however, its mechanism of formation is unknown. An in vitro analogue of the tumor border is created by a co-culture of MDA-MB-231 cells, adipose derived stem cells, and dermal fibroblasts. Decellularization of this co-culture after seven days reveals an extracellular matrix that is linear in fashion, high in pro-oncogenic collagen type VI, and able to promote invasion of reseeded cells. Further investigation revealed linear collagen VI is produced by fibroblasts in response to a paracrine co-culture of adipose derived stem cells and MDA-MB-231, which together secrete high levels of the chemokine CCL5. The addition of monoclonal antibody against CCL5 to the co-culture results in an unorganized matrix with dramatically decreased collagen VI. Importantly, reseeded cells do not exhibit pro-oncogenic behavior. These data illustrate a cellular mechanism, which creates linear extracellular matrix (ECM) in vitro, and highlight a potential role of CCL5 for building striated tumor collagen in vivo.
journal_name
J Clin Medjournal_title
Journal of clinical medicineauthors
Brett E,Sauter M,Timmins É,Azimzadeh O,Rosemann M,Merl-Pham J,Hauck SM,Nelson PJ,Becker KF,Schunn I,Lowery A,Kerin MJ,Atkinson M,Krüger A,Machens HG,Duscher Ddoi
10.3390/jcm9040991subject
Has Abstractpub_date
2020-04-02 00:00:00issue
4issn
2077-0383pii
jcm9040991journal_volume
9pub_type
杂志文章abstract::The aim of this study was to assess the efficacy of anti-endomysium antibodies (EMA) as a serological marker for celiac disease (CD) diagnosis in a pediatric population. A retrospective study of pediatric patients who underwent a CD serological markers study: EMA and anti-tissue transglutaminase antibodies (anti-TG2)....
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journal_title:Journal of clinical medicine
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更新日期:2019-12-13 00:00:00
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更新日期:2020-11-06 00:00:00
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更新日期:2019-02-13 00:00:00
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更新日期:2020-05-13 00:00:00
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更新日期:2020-05-18 00:00:00
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更新日期:2019-11-26 00:00:00
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