c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: None (spontaneously immortal)", "sample group: spontaneously immortal cells")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: 10-12", "treated with: None", "sample group: young cells")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: None (spontaneously immortal)", "sample group: spontaneously immortal cells")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: 10-12", "treated with: None", "sample group: young cells")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: None (spontaneously immortal)", "sample group: spontaneously immortal cells")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: 10-12", "treated with: None", "sample group: young cells")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: 17-19", "treated with: None", "sample group: aging cells")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: 17-19", "treated with: None", "sample group: aging cells")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: 17-19", "treated with: None", "sample group: aging cells")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: 28-30", "treated with: None (grown until growth arrest)", "sample group: replicatively senescent")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: 28-30", "treated with: None (grown until growth arrest)", "sample group: replicatively senescent")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: 28-30", "treated with: None (grown until growth arrest)", "sample group: replicatively senescent")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: Adriamycin", "sample group: induced into senescence")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: Adriamycin", "sample group: induced into senescence")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: 5-aza", "sample group: induced into senescence")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: 5-aza", "sample group: induced into senescence")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: Adriamycin", "sample group: induced into senescence")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: 5-aza", "sample group: induced into senescence")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: H2O2", "sample group: induced into senescence")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: H2O2", "sample group: induced into senescence")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: H2O2", "sample group: induced into senescence")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: Serum-starved", "sample group: induced into quiescence")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: Serum-starved", "sample group: induced into quiescence")
c("tissue origin: Skin", "cell type: MDAH041 LFS fibroblasts", "passages: >200", "treated with: Serum-starved", "sample group: induced into quiescence")