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NR3C2 (Nuclear receptor subfamily 3 group C member 2)

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Summary of NR3C2

The gene codes for a protein, nuclear receptor subfamily 3 group C member 2.  Mutations cause autosomal dominant pseudohypoaldosteronism type I. Defects are linked to early onset hypertension with severe exacerbation in pregnancy [R].

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The Function of NR3C2

Receptor for both mineralocorticoids (MC) such as aldosterone and glucocorticoids (GC) such as corticosterone or cortisol. Binds to mineralocorticoid response elements (MRE) and transactivates target genes. The effect of MC is to increase ion and water transport and thus raise extracellular fluid volume and blood pressure and lower potassium levels.

Protein names

Recommended name:

Mineralocorticoid receptor

Short name:

MR

Alternative name(s):

Nuclear receptor subfamily 3 group C member 2

NR3C2 SNPs

    To see your genotype, you should be logged in and have a file with your genotype uploaded.

  1. RS11725509 (NR3C2) ??
  2. RS1490453 (NR3C2) ??
  3. RS1546044 (NR3C2) ??
  4. RS3931397 (NR3C2) ??
  5. RS5522 (NR3C2) ??
  6. RS5527 (NR3C2) ??
  7. RS7658048 (NR3C2) ??

Top Gene-Substance Interactions

NR3C2 Interacts with These Diseases

Disease Score

Substances That Increase NR3C2

Substances Interaction Organism Category

Substances That Decrease NR3C2

Substances Interaction Organism Category

Advanced Summary

     pseudohypoaldosteronism type 1 More than 50 mutations in the NR3C2 gene have been identified in people with pseudohypoaldosteronism type 1 (PHA1), a condition that typically begins in infancy and is characterized by low levels of sodium (hyponatremia) and high levels of potassium (hyperkalemia) in the blood. In particular, NR3C2 gene mutations are involved in autosomal dominant PHA1, a relatively mild form of the condition that can improve in childhood. Mutations in the NR3C2 gene lead to a nonfunctional or abnormally functioning mineralocorticoid receptor protein that cannot properly regulate the specialized proteins that transport sodium and potassium. As a result, sodium reabsorption and potassium secretion are both decreased, causing hyponatremia and hyperkalemia. other disorders One particular mutation in the NR3C2 gene can cause early-onset hypertension with severe exacerbation in pregnancy. People with this condition develop high blood pressure (hypertension) at an early age. The condition can affect males or females, and hypertension worsens in pregnant females. The mutation involved in this condition changes one protein building block (amino acid) in the mineralocorticoid receptor protein. The amino acid serine is replaced with the amino acid leucine at position 810 in the protein (written as Ser810Leu or S810L). This mutation changes the shape of the receptor, which allows the receptor to be abnormally activated by non-mineralocorticoid hormones such as progesterone and cortisol . The increased mineralocorticoid receptor activity causes excessive sodium reabsorption, which leads to hypertension. Progesterone levels are elevated during pregnancy, which is why the condition worsens in pregnant females.

     The NR3C2 gene provides instructions for making a protein called the mineralocorticoid receptor. This protein is important in regulating the amount of sodium in the body. Sodium regulation plays a role in blood pressure control and fluid balance. Certain hormones called mineralocorticoids attach (bind) to and turn on (activate) the mineralocorticoid receptor. Aldosterone is one mineralocorticoid that activates the mineralocorticoid receptor. The activated mineralocorticoid receptor acts as a transcription factor, which is a protein that binds to specific regions of DNA and helps control the activity (transcription) of particular genes. The mineralocorticoid receptor regulates specialized proteins in the cell membrane that control the transport of sodium or potassium into cells. In response to signals that sodium levels in the body are low, the mineralocorticoid receptor increases the number and activity of these proteins at the cell membrane, especially in certain kidney cells. One of these proteins transports sodium into the cell, while another protein simultaneously transports sodium out of the cell and potassium into the cell. These proteins help keep sodium in the body through a process called reabsorption and remove potassium from the body through a process called secretion.

Conditions with Increased Gene Activity

Condition Change (log2fold) Comparison Species Experimental variables Experiment name

Conditions with Decreased Gene Activity

Condition Change (log2fold) Comparison Species Experimental variables Experiment name

Technical

The following transcription factors affect gene expression:

  • GR
  • GR-alpha
  • c-Fos
  • TBP
  • NF-1

Tissue specificity:

Ubiquitous. Highly expressed in distal tubules, convoluted tubules and cortical collecting duct in kidney, and in sweat glands. Detected at lower levels in cardiomyocytes, in epidermis and in colon enterocytes.

Gene Pathways:

  • Gene Expression
  • Aldosterone-regulated sodium reabsorption

Molecular Function:

  • Sequence-Specific Dna Binding
  • Steroid Binding
  • Steroid Hormone Receptor Activity
  • Transcription Factor Activity, Sequence-Specific Dna Binding
  • Zinc Ion Binding

Biological Processes:

  • Signal Transduction
  • Transcription Initiation From Rna Polymerase Ii Promoter

Drug Bank:

  • Fluticasone Propionate
  • Drospirenone
  • Eplerenone
  • Felodipine
  • Fludrocortisone
  • Nimodipine
  • Progesterone
  • Spironolactone
*synonyms

Synonyms/Aliases/Alternative Names of the Gene:

hypothetical protein| mr| A306_08259| aldosterone receptor| AS27_05747| AS28_03160| CB1_002080007| D623_10027722| H920_08945| I79_006965| M959_05151| MCR| MDA_GLEAN10020496| mineralocorticoid receptor| mineralocorticoid receptor 1| mineralocorticoid receptor 2| mineralocorticoid receptor +4 isoform| Mineralocorticoid receptor (aldosterone receptor)| mineralocorticoid receptor delta| MLR| N300_03066| N301_03940| N302_06083| N303_14313| N305_05255| N306_02032| N307_08070| N308_06520| N309_15603| N312_02527| N322_01374| N324_09131| N325_08342| N326_06000| N327_06261| N329_08960| N330_10727| N331_12820| N332_01457| N334_07974| N340_07514| NR3C2VIT| nuclear receptor subfamily 3, group C, member 2| nuclear receptor subfamily 3, group C, member 2 variant 3| PAL_GLEAN10016607| PANDA_005170| TREES_T100012912| UY3_03121| Y1Q_011323| Y956_01824| Z169_05733| nr3c2

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