The number of nuclear receptors |
48 known human NR |
49 known mouse NR |
Species |
Human and mouse |
Mouse |
The number of tissues |
21 human tissues and 17 mouse tissues |
Only 39 mouse tissues |
Analysis method |
cDNA cloning and DNA sequencing experiments (EST database) |
RT-PCR (high-throughput capacity) |
Advantage of the method |
More precise |
– |
NR groups based on their tissue distribution |
– |
Restricted (11), widespread (17), all tissues (21) |
NR groups based on the expression level of nuclear receptors |
Super high (12), high (5), low (3), super low activation (28) |
– |
Tissue groups based on number of highly expressed nuclear receptors |
Super high (3/2 in human/mouse), high (4/5 in human/mouse), low (3/5 in human/mouse), supper low varieties (6/2 in human/mouse) |
– |
CNS (# human/mouse) |
Brain, eye, nerve (19/1) |
Eye, brainstem, cerebellum, cerebrum, corpus striatum, olfactory bulb, spinal cord, hypothalamus, and pituitary (11) |
Gastroenteric system (# human/mouse) |
Stomach, pancreas (5/5) |
Tongue, stomach, duodenum, jejunum, ileum, colon, and gall bladder (13) |
Metabolic system (# human/mouse) |
Liver, kidney, adrenal gland, adipose, intestine, and muscle (40/14) |
Liver, kidney, brown and white adipose, and muscle (13) |
Immune system (# human/mouse) |
Spleen and lymph node (4/6) |
Spleen and thymus (2) |
Cardiovascular system (# human/mouse) |
Heart, lung, blood and trachea (19/6) |
Aorta, heart, and lung (8) |
Structural system (# human/mouse) |
Skin (1/7) |
Bone and skin (5) |