Date published: 2026-5-30

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HE6 Activators

HE6, also known as GPR64, is a member of the G-protein coupled receptor (GPCR) superfamily and is specifically classified within the adhesion GPCR subgroup. This protein is predominantly expressed in the epididymis, a highly specialized duct within the male reproductive system where sperm maturation occurs. The HE6 receptor is thought to play a crucial role in the regulation of the epididymal environment and in processes essential for sperm maturation and acquisition of motility, which are critical for male fertility.The structure of HE6 includes a long N-terminal extracellular region with several domains that are characteristic of adhesion GPCRs, which facilitate cell-cell and cell-matrix interactions. These interactions are important for maintaining the integrity of the epithelial cell layer in the epididymis and for the establishment of the specialized luminal environment required for sperm development.

The exact physiological ligands and signaling pathways of HE6 are not fully understood, but it is believed that the receptor may be involved in sensing changes in the luminal environment of the epididymis, including pH and ion concentrations, which are important for sperm maturation. Additionally, HE6 may have a role in the immune privilege of the epididymis, protecting sperm from autoimmune responses.Mutations or dysregulation of HE6/GPR64 have been implicated in contributing to certain reproductive disorders, highlighting its importance in male reproductive health.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

β-Estradiol

50-28-2sc-204431
sc-204431A
500 mg
5 g
$63.00
$182.00
8
(1)

Estradiol can modulate the expression of certain genes in male reproductive tissues.

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$66.00
$325.00
$587.00
$1018.00
28
(1)

Retinoic acid is involved in the differentiation of epithelial tissues and may affect HE6 expression.

Dibutyryl-cAMP

16980-89-5sc-201567
sc-201567A
sc-201567B
sc-201567C
20 mg
100 mg
500 mg
10 g
$47.00
$136.00
$492.00
$4552.00
74
(7)

As a cAMP analog, it can mimic intracellular signaling that may upregulate HE6 expression.

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$78.00
$153.00
$740.00
$1413.00
$2091.00
73
(3)

Forskolin activates adenylate cyclase and increases cAMP, potentially influencing HE6 expression.

Diethylstilbestrol

56-53-1sc-204720
sc-204720A
sc-204720B
sc-204720C
sc-204720D
1 g
5 g
25 g
50 g
100 g
$71.00
$287.00
$547.00
$1098.00
$2185.00
3
(1)

This synthetic estrogen has been shown to affect gene expression in reproductive tissues.

Progesterone

57-83-0sc-296138A
sc-296138
sc-296138B
1 g
5 g
50 g
$20.00
$52.00
$298.00
3
(1)

Progesterone plays a role in male reproductive health and could impact HE6 expression.

Cholecalciferol

67-97-0sc-205630
sc-205630A
sc-205630B
1 g
5 g
10 g
$71.00
$163.00
$296.00
2
(1)

Vitamin D3 has a role in the regulation of genes and may influence HE6 expression.

Zinc

7440-66-6sc-213177
100 g
$48.00
(0)

Zinc is essential for male fertility and may affect HE6 expression in the epididymis.

(−)-Epigallocatechin Gallate

989-51-5sc-200802
sc-200802A
sc-200802B
sc-200802C
sc-200802D
sc-200802E
10 mg
50 mg
100 mg
500 mg
1 g
10 g
$43.00
$73.00
$126.00
$243.00
$530.00
$1259.00
11
(1)

EGCG can affect hormone signaling and may influence HE6 expression through its endocrine modulatory effects.