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Interferon alfa or HuIFN-alpha-Le, trade name Multiferon, is a pharmaceutical drug composed of natural interferon alpha (IFN-α), obtained from the leukocyte fraction of human blood following induction with Sendai virus. Interferon alfa contains several naturally occurring IFN-α subtypes and is purified by affinity chromatography.
The type-I interferons (IFN) are cytokines which play essential roles in inflammation, immunoregulation, tumor cells recognition, and T-cell responses. In the human genome, a cluster of thirteen functional IFN genes is located at the 9p21.3 cytoband over approximately 400 kb including coding genes for IFNα (IFNA1, IFNA2, IFNA4, IFNA5, IFNA6, IFNA7, IFNA8, IFNA10, IFNA13, IFNA14, IFNA16 ...
3467 n/a Ensembl ENSG00000177047 n/a UniProt P05000 n/a RefSeq (mRNA) NM_002177 n/a RefSeq (protein) NP_002168 n/a Location (UCSC) Chr 9: 21.14 – 21.14 Mb n/a PubMed search n/a Wikidata View/Edit Human Interferon omega-1 is a protein that is encoded by the IFNW1 gene. Introduction Interferon omega-1 (IFN-ω) is a subtype of the Interferon type I family. The Interferon Type 1 family is made ...
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The type II IFN (IFN-γ) gene was also isolated around this time. [83] Interferon was first synthesized manually at Rockefeller University in the lab of Dr. Bruce Merrifield, using solid phase peptide synthesis, one amino acid at a time. He later won the Nobel Prize in chemistry.
Stock name Symbol Country of origin Iamgold Corporation: IAG: Canada: ICICI Bank Ltd. IBN: India: Idacorp Inc. IDA: US IDEX Corporation: IEX: US IDT Corporation
The gene encoding IFNα2, the IFNA2 gene, is clustered with all other type I IFN genes on chromosome 9 [8] and as all type I IFN genes, it is devoid of intron. [9] The open reading frame (coding sequence) of IFNA2 codes for a pre-protein of 188 amino acids with a 23 amino acid signal peptide allowing secretion of the mature protein.
Structural analysis of type I IFN receptor with different type I IFN ligand subtypes revealed a similar binding site for the different agonists. [8] Mutagenesis studies of type I IFNs, IFNAR1 and IFNAR2 demonstrated important binding residues, i.e. "hotspots", on the type I IFN subtypes which influenced its ability to bind to IFNAR2.