Date published: 2026-3-3

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MATP Activators

MATP Activators encompass a diverse set of chemical compounds that indirectly upregulate the functional activity of MATP through various biochemical mechanisms related to melanogenesis. Compounds like Forskolin, IBMX, and Theophylline enhance MATP activity by increasing intracellular cAMP levels, which in turn activates PKA, a kinase that phosphorylates proteins within the melanogenic pathway, indirectly necessitating increased tyrosine transport via MATP to melanosomes. A similar effect is achieved by synthetic α-MSH analogs like Melanotan II, which bind to melanocortin receptors, also increasing cAMP and stimulating the melanogenic cascade that relies on MATP function for tyrosine supply. The presence of L-DOPA, a melanin precursor, may prompt a feedback mechanism that escalates the demand for MATP's tyrosine transport, thereby enhancing its functional role. Additionally, Methoxsalen, activated by ultraviolet light, boosts melanin production and, by extension, could raise the functional requirement for MATP in tyrosine translocation.

Furthermore, the modulation of melanogenesis by agents such as Arbutin and Retinoic acid, though typically associated with altering melanin synthesis, may have a secondary effect on MATP by altering tyrosine transport needs as part of the pathway's response. Essential trace elements like Copper sulfate and Zinc sulfate indirectly increase MATP activity by serving as cofactors for enzymes like tyrosinase, the key enzyme in melanin synthesis, thereby potentially augmenting the functional demand for tyrosine transport. Silver nitrate, known to stimulate melanocytes, could likewise indirectly enhance MATP activity by increasing cellular requirements for tyrosine, thus upregulating MATP's transporter role. Collectively, these MATP Activators indirectly potentiate the role of MATP in melanogenesis by influencing the biochemical pathways and cellular processes that depend on efficient tyrosine transport into melanosomes, constituting a critical step in melanin production.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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, which increases intracellular cAMP levels. Elevated cAMP activates protein kinase A (PKA), which can phosphorylate proteins involved in melanogenesis, potentially enhancing the functional activity of MATP by increasing the availability of tyrosine in melanosomes.

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 phosphodiesterases, leading to an increase in intracellular cAMP levels. By preventing the degradation of cAMP, IBMX can enhance PKA activity, which could indirectly enhance MATP function by promoting melanogenic signaling pathways that require tyrosine transport.

Theophylline

58-55-9sc-202835
sc-202835A
sc-202835B
5 g
25 g
100 g
$20.00
$32.00
$85.00
6
(0)

Theophylline, a phosphodiesterase inhibitor, increases intracellular cAMP levels, similarly to IBMX. This can lead to PKA activation and subsequent phosphorylation of proteins involved in melanogenesis, potentially enhancing the functional activity of MATP through increased tyrosine transport.

α-Melanocyte stimulating hormone

581-05-5sc-364762
sc-364762A
sc-364762B
1 mg
5 mg
25 mg
$110.00
$250.00
$945.00
(0)

Although not a chemical compound, α-MSH is a peptide hormone that increases melanogenesis by activating the MC1R receptor, leading to increased cAMP in melanocytes. The subsequent activation of PKA could enhance MATP activity by increasing the demand for tyrosine transport into melanosomes.

Levodopa

59-92-7sc-205372
sc-205372A
5 g
25 g
$54.00
$171.00
9
(1)

Levodopa (L-DOPA), a precursor to melanin, could enhance MATP activity by increasing the substrate level within melanocytes, potentially upregulating the functional demand for MATP's tyrosine transport activity as part of a feedback mechanism to supply sufficient tyrosine for melanin synthesis.

Methoxsalen (8-Methoxypsoralen)

298-81-7sc-200505
1 g
$28.00
1
(1)

Methoxsalen, when activated by UVA light, increases melanogenesis. It could enhance MATP function indirectly by increasing the demand for tyrosine transport into melanosomes as melanin synthesis is upregulated.

Arbutin

497-76-7sc-221267
sc-221267A
10 g
25 g
$120.00
$242.00
(0)

Arbutin is known to influence melanin synthesis. While typically discussed as a skin lightening agent, its effects on the melanogenesis pathway could potentially increase the functional need for MATP's transporter activity as the pathway's dynamics are altered.

Copper(II) sulfate

7758-98-7sc-211133
sc-211133A
sc-211133B
100 g
500 g
1 kg
$46.00
$122.00
$189.00
3
(1)

Copper is a cofactor for tyrosinase, the rate-limiting enzyme in melanin synthesis. By potentially increasing tyrosinase activity, copper sulfate could indirectly enhance MATP function by upregulating the requirement for tyrosine transport.

Silver nitrate

7761-88-8sc-203378
sc-203378A
sc-203378B
25 g
100 g
500 g
$114.00
$378.00
$1081.00
1
(1)

Silver nitrate can stimulate melanocytes, potentially increasing melanin production. This could indirectly enhance the activity of MATP by increasing the cellular demand for tyrosine transport.