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Pattern recognition receptors (PRRs) play a crucial role in the proper function of the innate immune system. PRRs are germline-encoded host sensors, which detect molecules typical for the pathogens. They are proteins expressed mainly by cells of the innate immune system, such as dendritic cells, macrophages, monocytes, neutrophils, as well as by epithelial cells, to identify two classes of molecules: pathogen-associated molecular patterns (PAMPs), which are associated with microbial pathogens, and damage-associated molecular patterns (DAMPs), which are associated with components of host's cells that are released during cell damage or death. They are also called primitive pattern recognition receptors because they evolved before other parts of the immune system, particularly before adaptive immunity. PRRs also mediate the initiation of antigen-specific adaptive immune response and release of inflammatory cytokines.
The androgen receptor (AR), also known as NR3C4, is a type of nuclear receptor that is activated by binding any of the androgenic hormones, including testosterone and dihydrotestosterone, in the cytoplasm and then translocating into the nucleus. The androgen receptor is most closely related to the progesterone receptor, and progestins in higher dosages can block the androgen receptor.
NLR family pyrin domain containing 3 (NLRP3), is a protein that in humans is encoded by the NLRP3 gene located on the long arm of chromosome 1.
SHC-transforming protein 1 is a protein that in humans is encoded by the SHC1 gene. SHC has been found to be important in the regulation of apoptosis and drug resistance in mammalian cells.
Nucleotide-binding oligomerization domain-containing protein 1 (NOD1) is a protein receptor that in humans is encoded by the NOD1 gene. It recognizes bacterial molecules and stimulates an immune reaction.
Proliferation-associated protein 2G4 (PA2G4) also known as ErbB3-binding protein 1 (EBP1) is a protein that in humans is encoded by the PA2G4 gene.
Protein UXT also known as androgen receptor trapped clone 27 (ART-27) protein is a protein that in humans is encoded by the UXT gene.
NACHT, LRR and PYD domains-containing protein 2 is a protein that in humans is encoded by the NLRP2 gene.
E3 ubiquitin-protein ligase RNF14 is an enzyme that in humans is encoded by the RNF14 gene.
Centromere protein I is a protein that in humans is encoded by the CENPI gene.
ETS homologous factor is a protein that in humans is encoded by the EHF gene. This gene encodes a protein that belongs to an ETS transcription factor subfamily characterized by epithelial-specific expression (ESEs). The encoded protein acts as a transcriptional repressor and may be associated with asthma susceptibility. This protein may be involved in epithelial differentiation and carcinogenesis.
Tripartite motif-containing protein 68 is a protein that in humans is encoded by the TRIM68 gene.
Serine/threonine-protein kinase PAK 6 is an enzyme that in humans is encoded by the PAK6 gene.
The nucleotide-binding oligomerization domain-like receptors, or NOD-like receptors (NLRs), are intracellular sensors of pathogen-associated molecular patterns (PAMPs) that enter the cell via phagocytosis or pores, and damage-associated molecular patterns (DAMPs) that are associated with cell stress. They are types of pattern recognition receptors (PRRs), and play key roles in the regulation of innate immune response. NLRs can cooperate with toll-like receptors (TLRs) and regulate inflammatory and apoptotic response.
NLRX1 or NLR family member X1, short for nucleotide-binding oligomerization domain, leucine rich repeat containing X1 is a protein that in humans is encoded by the NLRX1 gene. It is also known as NOD-like receptor X1, NLR family, X1, NOD5, NOD9, and CLR11.3, and is a member of the NOD-like receptor family of pattern recognition receptors.
NOD-like receptor family pyrin domain containing 11 is a protein that in humans is encoded by the NLRP11 gene located on the long arm of human chromosome 19q13.42. NLRP11 belongs to the NALP subfamily, part of a large subfamily of caterpiller. It is also known as NALP11, PYPAF6, NOD17, PAN10, and CLR19.6
NLRP (Nucleotide-binding oligomerization domain, Leucine rich Repeat and Pyrin domain containing), also abbreviated as NALP, is a type of NOD-like receptor. NOD-like receptors are a type of pattern recognition receptor that are found in the cytosol of the cell, recognizing signals of antigens in the cell. NLRP proteins are part of the innate immune system and detect conserved pathogen characteristics, or pathogen-associated molecular patterns, such as such as peptidoglycan, which is found on some bacterial cells. It is thought that NLRP proteins sense danger signals linked to microbial products, initiating the processes associated with the activation of the inflammasome, including K+ efflux and caspase 1 activation. NLRPs are also known to be associated with a number of diseases. Research suggests NLRP proteins may be involved in combating retroviruses in gametes. As of now, there are at least 14 different known NLRP genes in humans, which are named NLRP1 through NLRP14. The genes translate into proteins with differing lengths of leucine-rich repeat domains.
EPI-001 is the first inhibitor of the androgen receptor amino-terminal domain. The single stereoisomer of EPI-001, EPI-002, is a first-in-class drug that the USAN council assigned a new stem class "-aniten" and the generic name "ralaniten". This distinguishes the anitens novel molecular mechanism from anti androgens that bind the C-terminus ligand-binding domain and have the stem class "lutamide". EPI-001 and its stereoisomers and analogues were discovered by Marianne Sadar and Raymond Andersen, who co-founded the pharmaceutical company ESSA Pharma Inc for the clinical development of anitens for the treatment of castration-resistant prostate cancer (CRPC).
Prostate cancer associated transcript 18 is a protein that in humans is encoded by the PCAT18 gene.
Calcium/calmodulin dependent protein kinase II inhibitor 1 is a protein that in humans is encoded by the CAMK2N1 gene.
References
- ↑ Stein C, Caccamo M, Laird G, Leptin M (2007). "Conservation and divergence of gene families encoding components of innate immune response systems in zebrafish". Genome Biol. 8 (11): R251. doi: 10.1186/gb-2007-8-11-r251 . PMC 2258186 . PMID 18039395.
- ↑ Correa RG, Krajewska M, Ware CF, Gerlic M, Reed JC (2014). "The NLR-related protein NWD1 is associated with prostate cancer and modulates androgen receptor signaling". Oncotarget. 5 (6): 1657–1665. doi:10.18632/oncotarget.1850. PMC 4039239 . PMID 24681825.
