The germ cell nuclear factor (GCNF), also known as RTR (retinoid receptor-related testis-associated receptor) or NR6A1 (nuclear receptor subfamily 6, group A, member 1), is a protein that in humans is encoded by the NR6A1 gene. [5] [6] GCNF is a member of the nuclear receptor family of intracellular transcription factors .
In adults, GCNH is expressed mainly in the germ cells of gonads and is involved in the regulation of embryogenesis and germ cell differentiation. [7]
Its expression pattern suggests that it may be involved in neurogenesis and germ cell development. The protein can homodimerize and bind DNA, but in vivo targets have not been identified. The gene expresses three alternatively spliced transcript variants. [8]
In cells undergoing homologous recombination during meiosis, DNA intermediates are processed as an essential step in the exchange of information between parental homologous chromosomes. In eukaryotes the RTR complex, which consists of a type IA topoisomerase, a RecQ helicase and the structural protein RMI1, is employed in processing DNA recombination intermediates. [9]
The nuclear receptor 4A1 also known as Nur77, TR3, and NGFI-B is a protein that in humans is encoded by the NR4A1 gene.
The liver receptor homolog-1 (LRH-1) also known as totipotency pioneer factor NR5A2 is a protein that in humans is encoded by the NR5A2 gene. LRH-1 is a member of the nuclear receptor family of intracellular transcription factors.
The small heterodimer partner (SHP) also known as NR0B2 is a protein that in humans is encoded by the NR0B2 gene. SHP is a member of the nuclear receptor family of intracellular transcription factors. SHP is unusual for a nuclear receptor in that it lacks a DNA binding domain. Therefore, it is technically neither a transcription factor nor nuclear receptor but nevertheless it is still classified as such due to relatively high sequence homology with other nuclear receptor family members.
RAR-related orphan receptor alpha (RORα), also known as NR1F1 is a nuclear receptor that in humans is encoded by the RORA gene. RORα participates in the transcriptional regulation of some genes involved in circadian rhythm. In mice, RORα is essential for development of cerebellum through direct regulation of genes expressed in Purkinje cells. It also plays an essential role in the development of type 2 innate lymphoid cells (ILC2) and mutant animals are ILC2 deficient. In addition, although present in normal numbers, the ILC3 and Th17 cells from RORα deficient mice are defective for cytokine production.
Retinoid X receptor alpha (RXR-alpha), also known as NR2B1 is a nuclear receptor that in humans is encoded by the RXRA gene.
Hepatocyte nuclear factor 4 alpha (HNF4A) also known as NR2A1 is a nuclear receptor that in humans is encoded by the HNF4A gene.
POU domain, class 2, transcription factor 1 is a protein that in humans is encoded by the POU2F1 gene.
Interleukin enhancer-binding factor 3 is a protein that in humans is encoded by the ILF3 gene.
Calcium/calmodulin-dependent protein kinase type IV is an enzyme that in humans is encoded by the CAMK4 gene.
Retinoid X receptor gamma (RXR-gamma), also known as NR2B3 is a nuclear receptor that in humans is encoded by the RXRG gene.
Estrogen-related receptor gamma (ERR-gamma), also known as NR3B3, is a nuclear receptor that in humans is encoded by the ESRRG gene. It behaves as a constitutive activator of transcription.
COUP-TF1 also known as NR2F1 is a protein that in humans is encoded by the NR2F1 gene. This protein is a member of nuclear hormone receptor family of steroid hormone receptors.
Testicular receptor 4 also known as NR2C2 is a protein that in humans is encoded by the NR2C2 gene.
RAR-related orphan receptor gamma (RORγ) is a protein that in humans is encoded by the RORC gene. RORγ is a member of the nuclear receptor family of transcription factors. It is mainly expressed in immune cells and it also regulates circadian rhythms. It may be involved in the progression of certain types of cancer.
P2Y purinoceptor 4 is a protein that in humans is encoded by the P2RY4 gene.
Nuclear receptor coactivator 6 is a protein that in humans is encoded by the NCOA6 gene.
DnaJ homolog subfamily A member 1 is a protein that in humans is encoded by the DNAJA1 gene.
Peroxisome proliferator-activated receptor gamma coactivator 1-beta is a protein that in humans is encoded by the PPARGC1B gene.
Cornifin-B is a protein that in humans is encoded by the SPRR1B gene.
Golgin-45 is a protein that in humans is encoded by the BLZF1 gene.