Date published: 2025-12-24

1-800-457-3801

SCBT Portrait Logo
Seach Input

BIP Inhibitors

The BIP Inhibitors constitute a diverse set of chemical compounds that target various pathways associated with endoplasmic reticulum (ER) stress response, ultimately leading to the inhibition of BIP, a key chaperone protein. One notable direct inhibitor is 4μ8C, which specifically targets the IRE1 pathway, inhibiting the activation of IRE1 and subsequently reducing BIP expression during ER stress. Several compounds, such as Salubrinal, ISRIB, Guanabenz, STF-083010, VER-155008, Ceapin-A, and KIRA6, indirectly inhibit BIP by modulating the IRE1α-XBP1 pathway. These compounds interfere with XBP1 splicing, disrupting the transcriptional regulation of BIP by XBP1. Additionally, Ceapin-A and KIRA6 specifically inhibit IRE1α RNase activity, further attenuating the IRE1α-XBP1 signaling axis. Guanabenz also indirectly inhibits BIP by targeting the PERK pathway. It promotes the dephosphorylation of eIF2α, affecting global protein synthesis and indirectly influencing BIP expression. Another indirect inhibitor, 5-Fluorouracil (5-FU), induces ER stress and activates the unfolded protein response (UPR), leading to the modulation of BIP levels. Furthermore, compounds like 2-Deoxyglucose and Thapsigargin indirectly inhibit BIP by inducing ER stress through disruption of cellular energy homeostasis and calcium homeostasis, respectively. These compounds activate the UPR, ultimately affecting BIP expression. In summary, the BIP Inhibitors showcase a range of mechanisms to influence BIP expression directly or indirectly by targeting key pathways involved in ER stress response. Understanding the specific biochemical and cellular pathways affected by these inhibitors provides valuable insights into the intricate regulation of BIP and its role in maintaining ER homeostasis.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

7-Hydroxy-4-methyl-2-oxo-2H-chromene-8-carbaldehyde

14003-96-4sc-319733
500 mg
$360.00
(0)

Also called 4μ8C, this compound is a direct inhibitor of BIP by specifically targeting the IRE1 (Inositol-Requiring Enzyme 1) pathway. It inhibits the activation of IRE1, which is involved in endoplasmic reticulum (ER) stress response. By blocking IRE1, 4μ8C indirectly inhibits BIP expression. IRE1 typically induces the expression of BIP during ER stress, and 4μ8C disrupts this signaling pathway, leading to reduced BIP levels.

Salubrinal

405060-95-9sc-202332
sc-202332A
1 mg
5 mg
$33.00
$102.00
87
(2)

Salubrinal is a chemical compound that indirectly inhibits BIP by targeting the eIF2α (Eukaryotic Initiation Factor 2α) signaling pathway. It promotes the dephosphorylation of eIF2α by inhibiting the enzyme responsible for its dephosphorylation, resulting in the attenuation of global protein synthesis.

Guanabenz acetate

23256-50-0sc-203590
sc-203590A
sc-203590B
sc-203590C
sc-203590D
100 mg
500 mg
1 g
10 g
25 g
$100.00
$459.00
$816.00
$4080.00
$7140.00
2
(2)

Guanabenz is a chemical compound that indirectly inhibits BIP by targeting the PERK (Protein kinase R-like endoplasmic reticulum kinase) pathway. It promotes the dephosphorylation of eIF2α, a downstream effector of PERK. By inhibiting eIF2α phosphorylation, Guanabenz mitigates translational repression during ER stress, indirectly affecting BIP expression.

STF 083010

307543-71-1sc-474562
sc-474562A
sc-474562B
sc-474562C
sc-474562D
5 mg
10 mg
50 mg
100 mg
200 mg
$127.00
$180.00
$400.00
$700.00
$1212.00
3
(0)

STF-083010 is a chemical inhibitor that indirectly targets BIP by modulating the IRE1α-XBP1 (X-box binding protein 1) pathway, a key component of the unfolded protein response (UPR). STF-083010 inhibits XBP1 splicing, a process activated by IRE1α during ER stress. By disrupting XBP1 splicing, STF-083010 indirectly inhibits BIP expression, as XBP1 is a transcription factor that regulates BIP levels.

VER 155008

1134156-31-2sc-358808
sc-358808A
10 mg
50 mg
$199.00
$825.00
9
(1)

VER-155008 is a chemical compound that indirectly inhibits BIP by targeting the IRE1α-XBP1 pathway. It specifically inhibits the endonuclease activity of IRE1α, preventing the splicing of XBP1 mRNA. As XBP1 regulates BIP expression, inhibition of IRE1α by VER-155008 indirectly modulates BIP levels. This compound offers an indirect mechanism to influence BIP expression by disrupting the IRE1α-XBP1 signaling axis, a key component of the unfolded protein response (UPR) during ER stress.

Fluorouracil

51-21-8sc-29060
sc-29060A
1 g
5 g
$36.00
$149.00
11
(1)

Fluorouracil is a chemotherapeutic agent that indirectly inhibits BIP expression by influencing the general protein folding and ER stress response. 5-FU induces ER stress by disrupting protein homeostasis, leading to the activation of the unfolded protein response (UPR). As BIP is a key player in the UPR, the induction of ER stress by 5-FU indirectly modulates BIP levels.

2-Deoxy-D-glucose

154-17-6sc-202010
sc-202010A
1 g
5 g
$65.00
$210.00
26
(2)

2-Deoxyglucose is a chemical compound that indirectly inhibits BIP expression by targeting the PERK pathway and inducing ER stress. It interferes with glycolysis and ATP production, leading to energy depletion and the activation of the unfolded protein response (UPR). As BIP is a downstream target of PERK during ER stress, 2-Deoxyglucose indirectly modulates BIP levels.

Thapsigargin

67526-95-8sc-24017
sc-24017A
1 mg
5 mg
$94.00
$349.00
114
(2)

Thapsigargin is a chemical compound that indirectly inhibits BIP by inducing ER stress through disruption of calcium homeostasis. It inhibits the sarco/endoplasmic reticulum Ca2+ ATPase (SERCA), leading to calcium release from the ER and subsequent ER stress. As BIP is a key player in the unfolded protein response (UPR), Thapsigargin indirectly modulates BIP levels.