Sentence examples for but lack expression of from inspiring English sources

Ovarian epithelial cells typically express keratin 7 but lack expression of keratin 20 [ 31- 33].

It is well known that MSCs express CD44 and CD90, but lack expression of CD34 [ 32].

The main component of breast stroma, namely mammary fibroblasts, only expresses ER- β but lack expression of ER- α (Palmieri et al, 2004).

BMMSCs and WJMSCs express low levels of MHC class I but lack expression of HLA-DR and co-stimulatory ligands, CD80 and CD86.

Ex vivo experiments indicate that MSCs express CD105, CD73, CD90, CD29 and CD166, but lack expression of CD45, CD34, CD14, CD11b, CD79α, CD19 and HLA-DR [ 5].

Mesenchymal stem cells (MSCs) express low levels of major histocompatibility complex class I (MHC-I) but lack expression of MHC-II surface molecules and thereby cannot serve as effective antigen-presenting cells to promote immune responses on various activated lymphoid cells, including T cells, B cells, natural killer cells, and dendritic cells [ 12, 14].

SC/CS tumor cells showed both expansive and invasive growth patterns, an exclusive and heterogeneous expression of CK8 and CK14, and predominantly expressed vimentin, but lacked expression of E-cadherin and SMA (Table 1; supplementary material Table S1).

Gastric macrophages were identified as cells expressing CD11b and major histocompatibility complex class II (MHC-II), but lacking expression of Gr1 (neutrophil marker), CD103 (expressed by a subset of dendritic cells (DCs)) and sialic acid-binding immunoglobulin-like lectin (Siglec-F, eosinophil marker) (Fig. 1B).

SYF cells, deficient for tyrosine kinases Src, Yes, and Fyn, and Src++ cells, a control expressing endogenous wild-type Src but lacking expression of Yes and Fyn, were mouse fibroblasts obtained from the American Type Culture Collection (ATCC).

CTCs were defined as nucleated, epithelial cell adhesion molecule (EpCAM)–positive cells, expressing cytoplasmic cytokeratins 8, 18 and 19, but lacking expression of the common leukocyte antigen CD45.

Breast cancer stem cells have been isolated from human breast tumors or breast cancer-derived pleural effusions using flow cytometry to find subpopulations of cells with a specific pattern of cell surface markers (CD44+, CD24−/low, ESA+ (epithelial specific antigen)) but lacking expression of specific lineage markers (Lin−) [10].