Date published: 2026-7-22

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HCP1 Activators

The chemical class termed HCP1 Activators comprises a diverse group of compounds that potentially influence the activity of HCP1 (SLC46A1), a transporter crucial for intestinal folate absorption. These chemicals, rather than directly activating HCP1, play a significant role in modulating the body's folate metabolism and homeostasis, thereby indirectly affecting HCP1 activity.

Key representatives of this class are various folate metabolism inhibitors, including methotrexate, trimethoprim, and pyrimethamine. These agents, by inhibiting dihydrofolate reductase, create a cellular state of relative folate deficiency. This deficiency, in turn, can trigger compensatory mechanisms within the body to upregulate HCP1, enhancing folate absorption from the gut. This indirect activation underscores the body's capacity to adapt to changes in nutrient availability and metabolism. Additionally, compounds like phenobarbital, phenytoin, and carbamazepine, which are known to interfere with folate absorption or metabolism, can also lead to a similar compensatory increase in HCP1 activity. This increase is part of the body's effort to maintain folate homeostasis, particularly in situations where folate metabolism is disrupted.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Pyrimethamine

58-14-0sc-208190
sc-208190A
sc-208190B
1 g
5 g
25 g
$80.00
$238.00
$825.00
5
(0)

Inhibits dihydrofolate reductase in protozoa. Its use in humans might create a compensatory increase in HCP1 activity due to altered folate metabolism.

Sulfamethoxazole

723-46-6sc-208405
sc-208405A
sc-208405B
sc-208405C
10 g
25 g
50 g
100 g
$37.00
$55.00
$69.00
$109.00
5
(0)

Works synergistically with trimethoprim to inhibit bacterial folate synthesis. Its effect on human folate metabolism might indirectly upregulate HCP1.

5,5-Diphenyl Hydantoin

57-41-0sc-210385
5 g
$70.00
(0)

An anticonvulsant known to interfere with folate absorption, potentially increasing the demand for folate and indirectly upregulating HCP1.

Carbamazepine

298-46-4sc-202518
sc-202518A
1 g
5 g
$33.00
$71.00
5
(0)

Similar to phenytoin, can affect folate metabolism and might lead to increased HCP1 activity to compensate for reduced folate levels.

Folic Acid

59-30-3sc-204758
10 g
$73.00
2
(1)

High doses of folic acid might downregulate HCP1 due to reduced need for folate absorption, but cessation could lead to a rebound increase in HCP1 activity.

Valproic Acid

99-66-1sc-213144
10 g
$87.00
9
(1)

Used is known to interfere with folate metabolism, potentially increasing HCP1 activity.

Aminopterin

54-62-6sc-202461
50 mg
$102.00
1
(1)

Its inhibition of folate metabolism could lead to increased demand for folate, potentially enhancing HCP1 activity.