Date published: 2026-3-3

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PHLDA3 Activators

PHLDA3 Activators are largely characterized by their ability to induce endoplasmic reticulum (ER) stress or to regulate autophagy. Compounds like Thapsigargin, Tunicamycin, Dithiothreitol (DTT), and 2-Deoxy-D-glucose (2-DG) can induce ER stress, which in turn activates the transcription factor ATF4. ATF4 binding to the PHLDA3 promoter leads to its increased expression.

PHLDA3 activation via their influence on autophagy. Rapamycin, a known autophagy inducer, and 3-Methyladenine (3-MA) and Bafilomycin A1, autophagy inhibitors, can potentially affect PHLDA3 expression. Understanding the exact mechanisms and implications of these effects forms an active area of research. Similarly, the role of chemical chaperones like Tauroursodeoxycholic Acid (TUDCA) and Phenylbutyric Acid (4-PBA), which reduce ER stress, in PHLDA3 activation is an interesting research direction. Lastly, glucose and palmitic acid, a saturated fatty acid, can induce PHLDA3 expression via ATF4, underscoring the protein's role in metabolic regulation.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

D(+)Glucose, Anhydrous

50-99-7sc-211203
sc-211203B
sc-211203A
250 g
5 kg
1 kg
$38.00
$198.00
$65.00
5
(1)

High glucose levels can induce PHLDA3 expression through the activation of the transcription factor ATF4, which then binds to the PHLDA3 promoter.

Palmitic Acid

57-10-3sc-203175
sc-203175A
25 g
100 g
$114.00
$286.00
2
(0)

Palmitic acid, a saturated fatty acid, has been shown to induce PHLDA3 expression via ATF4 in pancreatic beta cells.

Thapsigargin

67526-95-8sc-24017
sc-24017A
1 mg
5 mg
$136.00
$446.00
114
(2)

Thapsigargin causes endoplasmic reticulum stress, which can lead to the activation of ATF4 and subsequently increase PHLDA3 expression.

Tunicamycin

11089-65-9sc-3506A
sc-3506
5 mg
10 mg
$172.00
$305.00
66
(3)

Tunicamycin leads to endoplasmic reticulum stress, which can activate ATF4 and result in increased PHLDA3 expression.

2-Deoxy-D-glucose

154-17-6sc-202010
sc-202010A
1 g
5 g
$70.00
$215.00
26
(2)

2-DG, a glucose analog, induces endoplasmic reticulum stress, leading to ATF4 activation and increased PHLDA3 expression.

Hydrogen Peroxide

7722-84-1sc-203336
sc-203336A
sc-203336B
100 ml
500 ml
3.8 L
$31.00
$61.00
$95.00
28
(1)

H2O2 can induce oxidative stress, which can lead to the activation of ATF4 and increase PHLDA3 expression.

Tauroursodeoxycholic Acid, Sodium Salt

14605-22-2sc-281165
1 g
$644.00
5
(1)

TUDCA is a chemical chaperone that helps reduce endoplasmic reticulum stress, potentially leading to reduced PHLDA3 expression.

4-Phenylbutyric acid

1821-12-1sc-232961
sc-232961A
sc-232961B
25 g
100 g
500 g
$53.00
$136.00
$418.00
10
(1)

4-Phenylbutyric acid is another chemical chaperone that can reduce endoplasmic reticulum stress, potentially leading to reduced PHLDA3 expression.

Autophagy Inhibitor, 3-MA

5142-23-4sc-205596
sc-205596A
50 mg
500 mg
$65.00
$261.00
113
(3)

3-MA inhibits autophagy, a process that could potentially regulate PHLDA3 expression.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$63.00
$158.00
$326.00
233
(4)

Rapamycin induces autophagy, which could potentially regulate PHLDA3 expression.