Transferrin in isolated cells from rat duodenum and jejunum. 1985

K Osterloh, and K Schümann, and C Ehtechami, and W Forth

Mucosal transferrin was determined as transferrin-like immunoreactivity (TLIR) by means of a 2-site immunoradiometric assay (IRMA). Scraped-off mucosal tissue as well as isolated mucosal cells from the duodenum and jejunum of normal and iron-deficient rats before and after a washing procedure were examined. In iron-deficient rats there was about twice as much TLIR in scraped-off mucosal tissue as in the untreated animals. In the duodenum and jejunum of normal and iron-deficient rats, TLIR contents of the isolated cells in the magnitude of 320-510 ng/mg dry weight were found. Washing isolated cells three times in ice-cold Hank's solution resulted in a nearly tenfold decrease of TLIR content in all groups. In contrast the cells' RNA content remained unchanged.

UI MeSH Term Description Entries
D007413 Intestinal Mucosa Lining of the INTESTINES, consisting of an inner EPITHELIUM, a middle LAMINA PROPRIA, and an outer MUSCULARIS MUCOSAE. In the SMALL INTESTINE, the mucosa is characterized by a series of folds and abundance of absorptive cells (ENTEROCYTES) with MICROVILLI. Intestinal Epithelium,Intestinal Glands,Epithelium, Intestinal,Gland, Intestinal,Glands, Intestinal,Intestinal Gland,Mucosa, Intestinal
D007583 Jejunum The middle portion of the SMALL INTESTINE, between DUODENUM and ILEUM. It represents about 2/5 of the remaining portion of the small intestine below duodenum. Jejunums
D004386 Duodenum The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers. Duodenums
D000090463 Iron Deficiencies Deficient amounts of iron in the body as a result of blood loss, diets deficient in iron, or an iron uptake or storage disorder. Hypoferritinemia,Iron Deficiency,Latent Iron Deficiency,Sideropenia,Deficiencies, Iron,Deficiencies, Latent Iron,Deficiency, Iron,Deficiency, Latent Iron,Hypoferritinemias,Iron Deficiencies, Latent,Iron Deficiency, Latent,Latent Iron Deficiencies,Sideropenias
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014168 Transferrin An iron-binding beta1-globulin that is synthesized in the LIVER and secreted into the blood. It plays a central role in the transport of IRON throughout the circulation. A variety of transferrin isoforms exist in humans, including some that are considered markers for specific disease states. Siderophilin,Isotransferrin,Monoferric Transferrins,Serotransferrin,Transferrin B,Transferrin C,beta 2-Transferrin,beta-1 Metal-Binding Globulin,tau-Transferrin,Globulin, beta-1 Metal-Binding,Metal-Binding Globulin, beta-1,Transferrins, Monoferric,beta 1 Metal Binding Globulin,beta 2 Transferrin,tau Transferrin
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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