Biomaterial Database

Localization of interleukin-1 beta mRNA in the cerebral ganglion of the protochordate, Styela plicata. 1997

M Pestarino, and E De Anna, and M A Masini, and M Sturla

Institute of Comparative Anatomy, University of Genova, Italy. pesta@unige.it

There is evidence that interleukin 1 beta (IL-1 beta) plays an important role in several biological functions in mammals where it is synthesized by cells of haematological, dermal and neural origin. Moreover, production of cytokine-like molecules has been demonstrated in some blood cells of non-mammalian vertebrates and invertebrates in which also nerve cells are demonstrated to be IL-1 beta immunoreactive. The purpose of the present study is to demonstrate the IL-1 beta mRNA expression in nerve cells of the ascidian Styela plicata by use of non-isotopic in situ hybridization technique. The expression of IL-1 beta messenger was demonstrated in monopolar neurons in the cortical layer of the cerebral ganglion. The neuronal expression of cytokine-like molecules in tunicates suggests that IL-1 beta is an ancestral and functionally conserved molecule, and that a neuroimmune axis appeared early during the metazoan phylogeny.

UI	MeSH Term	Description	Entries
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
D009474	Neurons	The basic cellular units of nervous tissue. Each neuron consists of a body, an axon, and dendrites. Their purpose is to receive, conduct, and transmit impulses in the NERVOUS SYSTEM.	Nerve Cells,Cell, Nerve,Cells, Nerve,Nerve Cell,Neuron
D001923	Brain Chemistry	Changes in the amounts of various chemicals (neurotransmitters, receptors, enzymes, and other metabolites) specific to the area of the central nervous system contained within the head. These are monitored over time, during sensory stimulation, or under different disease states.	Chemistry, Brain,Brain Chemistries,Chemistries, Brain
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
D012333	RNA, Messenger	RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm.	Messenger RNA,Messenger RNA, Polyadenylated,Poly(A) Tail,Poly(A)+ RNA,Poly(A)+ mRNA,RNA, Messenger, Polyadenylated,RNA, Polyadenylated,mRNA,mRNA, Non-Polyadenylated,mRNA, Polyadenylated,Non-Polyadenylated mRNA,Poly(A) RNA,Polyadenylated mRNA,Non Polyadenylated mRNA,Polyadenylated Messenger RNA,Polyadenylated RNA,RNA, Polyadenylated Messenger,mRNA, Non Polyadenylated
D014561	Urochordata	A subphylum of chordates intermediate between the invertebrates and the true vertebrates. It includes the Ascidians.	Ascidia,Tunicata,Ascidiacea,Ascidians,Sea Squirts,Tunicates,Urochordates,Ascidian,Sea Squirt,Squirt, Sea,Tunicate,Urochordate
D017403	In Situ Hybridization	A technique that localizes specific nucleic acid sequences within intact chromosomes, eukaryotic cells, or bacterial cells through the use of specific nucleic acid-labeled probes.	Hybridization in Situ,Hybridization, In Situ,Hybridizations, In Situ,In Situ Hybridizations
D017952	Ganglia, Invertebrate	Clusters of neuronal cell bodies in invertebrates. Invertebrate ganglia may also contain neuronal processes and non-neuronal supporting cells. Many invertebrate ganglia are favorable subjects for research because they have small numbers of functional neuronal types which can be identified from one animal to another.	Invertebrate Ganglia,Ganglion, Invertebrate,Ganglions, Invertebrate,Invertebrate Ganglion,Invertebrate Ganglions

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