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Other stool tests involve the detection of antibiotic resistance as to guide appropriate therapy, e.g. Clarithromycin resistance of Helicobacter pylori represents a major challenge in eradication therapy but the responsible bacterial genomic markers can be detected in stool using PCR technology and thus can guide the prescription of the ...
Follicular dendritic cell sarcoma (FDCS) is an extremely rare neoplasm.While the existence of FDC tumors was predicted by Lennert in 1978, the tumor wasn't fully recognized as its own cancer until 1986 after characterization by Monda et al. [1] [2] It accounts for only 0.4% of soft tissue sarcomas, but has significant recurrent and metastatic potential and is considered an intermediate grade ...
Follicular dendritic cells (FDC) are cells of the immune system found in primary and secondary lymph follicles (lymph nodes) of the B cell areas of the lymphoid tissue. [ 1 ] [ 2 ] [ 3 ] Unlike dendritic cells (DC), FDCs are not derived from the bone-marrow hematopoietic stem cell , but are of mesenchymal origin. [ 4 ]
GC B cells that are best able to present antigen to T follicular helper cells and produce the strongest B cell receptor signal are positively selected in the light zone of the germinal center. [4] Therefore, positive selection of GC B cells in the light zone results in B cells that express antibodies with high affinity for the antigen. [ 3 ]
Parietal epithelial cell (PEC) Podocyte; Angioblast → Endothelial cell; Mesangial cell. Intraglomerular; Extraglomerular; Juxtaglomerular cell; Macula densa cell; Stromal cell → Interstitial cell → Telocytes; Kidney proximal tubule brush border cell; Kidney distal tubule cell; Connecting tubule cells; α-intercalated cell; β-intercalated ...
Cell culture of granulosa cells can be performed in vitro. Plating density (number of cells per volume of culture medium) plays a critical role for the differentiation. A lower plating density makes granulosa cells exhibit estrogen production, while a higher plating density makes them appear as progesterone producing theca lutein cells. [12]
Hürthle cells arise from the follicular epithelium. A Hürthle cell is larger than a follicular cell, and polygonal with distinct cell borders. [2] Key features of these oncocytic cells include a granular cytoplasm that stains eosinophilic (pink on H&E stain), which is commonly due to the oncocytes' high content of mitochondria, and a ...
Micrograph of a GFAP immunostained section of a brain tumour.. In biochemistry, immunostaining is any use of an antibody-based method to detect a specific protein in a sample. . The term "immunostaining" was originally used to refer to the immunohistochemical staining of tissue sections, as first described by Albert Coons in 1941.