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Next generation seuquencing of 3D breast cancer cell culture in synthetic hydrogels presenting either a collagen mimic or laminin mimic

ABSTRACT: MDA-MB-231 (ER-) and T47D (ER+) breast cancer cells were encapsulated in synthetic hydrogels, formed with a multi-arm bioinert polymer poly(ethylene glycol), cell-degradable peptide crosslinks, and receptor-binding pendant peptides, and cultured for 3 days to assess initial cell responses to different matrix compositions. The synthetic matrices had a Young's modulus (E) ~ 0.6 kPa, in the range of bone marrow and healthy mammary tissue, and biochemcial cues to mimic binding sites found in collagen (GFOGER peptide) or laminin (IKVAV peptide). After 3 days in culture, mRNA was collected and RNA-seq performed to compare cell responses between the collagen and laminin mimetic cultures.

ORGANISM(S): Homo sapiens

PROVIDER: GSE121179 | GEO | 2020/02/20

REPOSITORIES: GEO

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Next generation seuquencing of 3D breast cancer cell culture in synthetic hydrogels presenting either a collagen mimic or laminin mimic with low and high mechanical properties

Project description:MDA-MB-231 (ER-) and T47D (ER+) breast cancer cells were encapsualted in synthetic hydrogels, formed with a multi-arm bioinert polymer poly(ethylene glycol), cell-degradable peptide crosslinks, and receptor-binding pendant peptides, and cultured for 3 days and up to 40 days to assess initial cell responses to different matrix compositions. The synthetic matrices had a Young's modulus (E) ~ 0.6 kPa (low wt%) and # ~ 5 kPa (high wt%), in the range of bone marrow or healthy mammary tissue and lung tissue, respectively, and Biochemcial cues to mimic binding sites found in collagen (GFOGER peptide) or laminin (IKVAV peptide). After 3 days and 40 days in culture, mRNA was collected and RNA-seq performed to compare cell responses between the collagen and laminin mimetic cultures overtime in both low wt% and high wt% matrices.

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