Influence of age on epidermal growth factor receptor level in the rat brain. 1988

M Hiramatsu, and M Kashimata, and A Sato, and M Murayama, and N Minami
Department of Dental Pharmacology, Josai Dental University, Saitama, Japan.

The influence of age on 125I-epidermal growth factor (EGF) binding to rat brain plasma membranes was investigated. The specific binding of EGF to membranes decreased gradually with age in both male and female rats. There was no significant difference in the specific binding between males and females. Scatchard analysis of the binding data showed that the decrease in EGF binding with age was due to a decrease in the number of EGF receptors.

UI MeSH Term Description Entries
D008297 Male Males
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D002462 Cell Membrane The lipid- and protein-containing, selectively permeable membrane that surrounds the cytoplasm in prokaryotic and eukaryotic cells. Plasma Membrane,Cytoplasmic Membrane,Cell Membranes,Cytoplasmic Membranes,Membrane, Cell,Membrane, Cytoplasmic,Membrane, Plasma,Membranes, Cell,Membranes, Cytoplasmic,Membranes, Plasma,Plasma Membranes
D004815 Epidermal Growth Factor A 6-kDa polypeptide growth factor initially discovered in mouse submaxillary glands. Human epidermal growth factor was originally isolated from urine based on its ability to inhibit gastric secretion and called urogastrone. Epidermal growth factor exerts a wide variety of biological effects including the promotion of proliferation and differentiation of mesenchymal and EPITHELIAL CELLS. It is synthesized as a transmembrane protein which can be cleaved to release a soluble active form. EGF,Epidermal Growth Factor-Urogastrone,Urogastrone,Human Urinary Gastric Inhibitor,beta-Urogastrone,Growth Factor, Epidermal,Growth Factor-Urogastrone, Epidermal,beta Urogastrone
D005260 Female Females
D000375 Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. Senescence,Aging, Biological,Biological Aging
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
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
D066246 ErbB Receptors A family of structurally related cell-surface receptors that signal through an intrinsic PROTEIN-TYROSINE KINASE. The receptors are activated upon binding of specific ligands which include EPIDERMAL GROWTH FACTORS, and NEUREGULINS. EGF Receptor,Epidermal Growth Factor Receptor,Epidermal Growth Factor Receptor Family Protein,Epidermal Growth Factor Receptor Protein-Tyrosine Kinase,ErbB Receptor,HER Family Receptor,Receptor, EGF,Receptor, Epidermal Growth Factor,Receptor, TGF-alpha,Receptor, Transforming-Growth Factor alpha,Receptor, Urogastrone,Receptors, Epidermal Growth Factor-Urogastrone,TGF-alpha Receptor,Transforming Growth Factor alpha Receptor,Urogastrone Receptor,c-erbB-1 Protein,erbB-1 Proto-Oncogene Protein,EGF Receptors,Epidermal Growth Factor Receptor Family Proteins,Epidermal Growth Factor Receptor Kinase,HER Family Receptors,Proto-oncogene c-ErbB-1 Protein,Receptor Tyrosine-protein Kinase erbB-1,Receptor, ErbB-1,Receptors, Epidermal Growth Factor,Epidermal Growth Factor Receptor Protein Tyrosine Kinase,ErbB-1 Receptor,Family Receptor, HER,Family Receptors, HER,Proto oncogene c ErbB 1 Protein,Proto-Oncogene Protein, erbB-1,Receptor Tyrosine protein Kinase erbB 1,Receptor, ErbB,Receptor, ErbB 1,Receptor, HER Family,Receptor, TGF alpha,Receptor, Transforming Growth Factor alpha,Receptors, EGF,Receptors, Epidermal Growth Factor Urogastrone,Receptors, ErbB,Receptors, HER Family,c erbB 1 Protein,c-ErbB-1 Protein, Proto-oncogene,erbB 1 Proto Oncogene Protein

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