Date published: 2026-5-30

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UPase Activators

UPP1 activators primarily include molecules that increase intracellular cAMP levels, thereby stimulating UPP1 activity. UPP1, or uridine phosphorylase 1, is an enzyme involved in the catabolism of uridine to uracil. The regulation of uridine levels in the cell involves cAMP-dependent pathways, and thus, the modulation of cAMP levels influences UPP1 activity. A major class of chemicals that activate UPP1 includes phosphodiesterase such as IBMX, Dipyridamole, Rolipram, Cilostazol, Milrinone, Sildenafil, Zardaverine, Papaverine, Trequinsin, and Etazolate. The elevated cAMP levels can stimulate UPP1 by activating cAMP-dependent pathways involved in uridine catabolism.

Another class of UPP1 activators includes molecules that directly increase cAMP levels. Forskolin is a potent activator of adenylyl cyclase, which catalyzes the conversion of ATP to cAMP. Elevated cAMP levels can stimulate UPP1 activity. Adenosine, an endogenous purine nucleoside, activates adenosinereceptors, leading to enhanced cAMP production. This increase in cAMP can stimulate UPP1, as it is involved in catabolic pathways that are regulated by cAMP. Overall, the activation of UPP1 is tightly linked to the regulation of cAMP levels within the cell. Chemicals that either inhibit the breakdown of cAMP or stimulate its production can effectively increase UPP1 activity. As UPP1 plays a key role in the catabolism of uridine to uracil, the modulation of UPP1 activity can impact cellular uridine levels and, as a result, influence various biochemical processes within the cell.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Adenosine

58-61-7sc-291838
sc-291838A
sc-291838B
sc-291838C
sc-291838D
sc-291838E
sc-291838F
1 g
5 g
100 g
250 g
1 kg
5 kg
10 kg
$34.00
$48.00
$300.00
$572.00
$1040.00
$2601.00
$4682.00
1
(0)

Adenosine is an endogenous purine nucleoside that activates adenosine receptors. The increase in adenosine receptor activity enhances cAMP production, which can activate UPP1 as it is involved in the catabolism of uridine to uracil.

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 is a potent activator of adenylyl cyclase, leading to increased cAMP levels. Elevated cAMP can stimulate UPP1 activity, as cAMP-dependent pathways are involved in the regulation of uridine levels.

IBMX

28822-58-4sc-201188
sc-201188B
sc-201188A
200 mg
500 mg
1 g
$260.00
$350.00
$500.00
34
(1)

IBMX is a non-selective inhibitor of phosphodiesterase, preventing the breakdown of cAMP. Increased cAMP levels can stimulate UPP1 by activating cAMP-dependent pathways involved in uridine catabolism.

Dipyridamole

58-32-2sc-200717
sc-200717A
1 g
5 g
$31.00
$102.00
1
(1)

Dipyridamole is a phosphodiesterase inhibitor that increases cAMP levels. The rise in cAMP stimulates UPP1 activity, as UPP1 is involved in catabolic pathways regulated by cAMP.

Rolipram

61413-54-5sc-3563
sc-3563A
5 mg
50 mg
$77.00
$216.00
18
(1)

Rolipram is a selective phosphodiesterase-4 inhibitor, leading to elevated cAMP levels. Increased cAMP stimulates UPP1 activity, as UPP1 is part of cAMP-dependent pathways controlling uridine levels.

Cilostazol

73963-72-1sc-201182
sc-201182A
10 mg
50 mg
$109.00
$322.00
3
(1)

Cilostazol is a phosphodiesterase-3 inhibitor that increases intracellular cAMP levels. The elevated cAMP can activate UPP1, which is involved in the catabolic pathways regulated by cAMP.

Milrinone

78415-72-2sc-201193
sc-201193A
10 mg
50 mg
$165.00
$697.00
7
(0)

Milrinone is a phosphodiesterase-3 inhibitor that raises cAMP levels. The increased cAMP levels stimulate UPP1 activity, as UPP1 is part of the cAMP-dependent pathways regulating uridine levels.

Zardaverine

101975-10-4sc-201208
sc-201208A
5 mg
25 mg
$88.00
$379.00
1
(0)

Zardaverine is a dual phosphodiesterase 3/4 inhibitor that raises cAMP levels. The increased cAMP can stimulate UPP1 activity, as UPP1 is part of the cAMP-dependent pathways controlling uridine levels.

Papaverine

58-74-2sc-279951
sc-279951A
sc-279951B
10 mg
50 mg
100 mg
$153.00
$265.00
$459.00
(0)

Papaverine is a phosphodiesterase inhibitor that increases cAMP levels. The elevated cAMP levels stimulate UPP1 activity, as UPP1 is part of cAMP-dependent pathways regulating uridine levels.

Etazolate Hydrochloride

35838-58-5sc-201186
sc-201186A
5 mg
25 mg
$61.00
$255.00
5
(0)

Etazolate is a phosphodiesterase 4 inhibitor that elevates cAMP levels. The increased cAMP can stimulate UPP1 activity, as UPP1 is part of the cAMP-dependent pathways regulating uridine levels.