| D007375 |
Interleukin-1 |
A soluble factor produced by MONOCYTES; MACROPHAGES, and other cells which activates T-lymphocytes and potentiates their response to mitogens or antigens. Interleukin-1 is a general term refers to either of the two distinct proteins, INTERLEUKIN-1ALPHA and INTERLEUKIN-1BETA. The biological effects of IL-1 include the ability to replace macrophage requirements for T-cell activation. |
IL-1,Lymphocyte-Activating Factor,Epidermal Cell Derived Thymocyte-Activating Factor,Interleukin I,Macrophage Cell Factor,T Helper Factor,Epidermal Cell Derived Thymocyte Activating Factor,Interleukin 1,Lymphocyte Activating Factor |
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| D002358 |
Cartilage, Articular |
A protective layer of firm, flexible cartilage over the articulating ends of bones. It provides a smooth surface for joint movement, protecting the ends of long bones from wear at points of contact. |
Articular Cartilage,Articular Cartilages,Cartilages, Articular |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| 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 |
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| D001172 |
Arthritis, Rheumatoid |
A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Etiology is unknown, but autoimmune mechanisms have been implicated. |
Rheumatoid Arthritis |
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| D013583 |
Synovial Membrane |
The inner membrane of a joint capsule surrounding a freely movable joint. It is loosely attached to the external fibrous capsule and secretes SYNOVIAL FLUID. |
Synovium,Membrana Synovialis Capsulae Articularis,Membrane, Synovial,Membranes, Synovial,Synovial Membranes |
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| D053583 |
Interleukin-1beta |
An interleukin-1 subtype that is synthesized as an inactive membrane-bound pro-protein. Proteolytic processing of the precursor form by CASPASE 1 results in release of the active form of interleukin-1beta from the membrane. |
IL-1 beta,Catabolin,Interleukin-1 beta,Interleukin 1 beta,Interleukin 1beta |
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