P6624
PS-1145 dihydrochloride
≥98% (HPLC), solid
Synonym(s):
N-(6-Chloro-9H-pyrido[3,4-b]indol-8-yl)-3-pyridinecarboxamide dihydrochloride
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About This Item
Empirical Formula (Hill Notation):
C17H11ClN4O · 2HCl
CAS Number:
Molecular Weight:
395.67
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.77
Recommended Products
Quality Level
Assay
≥98% (HPLC)
form
solid
storage condition
desiccated
color
yellow
solubility
DMSO: >3 mg/mL at ~60 °C, clear (with warming for 2 minutes)
methanol: water (1:1): ≥5 mg/mL at 60 °C (With warming for 5 minutes.)
storage temp.
2-8°C
SMILES string
Cl[H].Cl[H].Clc1cc(NC(=O)c2cccnc2)c3[nH]c4cnccc4c3c1
InChI
1S/C17H11ClN4O.2ClH/c18-11-6-13-12-3-5-20-9-15(12)21-16(13)14(7-11)22-17(23)10-2-1-4-19-8-10;;/h1-9,21H,(H,22,23);2*1H
InChI key
QTDCBADLGJZBHP-UHFFFAOYSA-N
Application
PS-1145 dihydrochloride has been used as an IκB kinase (IKK) inhibitor:
- in the culture medium to treat human epidermal keratinocytes (HEKs) and squamous carcinoma cells (SCCs) to study the role of IKK in Corynebacterium tuberculostearicum (C. t.)-elicited transcription of inflammatory mediators
- to investigate the involvement of transcription factor p65 (RelA)/nuclear factor kappa-B (NF-κB) in the cluster of differentiation 28 (CD28)-mediated interleukin-17A (IL-17A) gene expression
- to examine the involvement of NF-κB signaling in the cytotoxic effect of niclosamide on colorectal cancer (CRC) cells
Biochem/physiol Actions
PS-1145, a β-carboline derivative, blocks the phosphorylation and degradation of the inhibitor of nuclear factor kappa-β (NF-κB;). It also inhibits the subsequent activation of nuclear factor kappa-β (NF-κB) and thereby prevents the release of tumor necrosis factor-α (TNF-α) in lipopolysaccharide treated mice. PS-1145 hinders pro-inflammatory cytokine production and cell proliferation. It plays a potential therapeutic role in carcinogenesis in multiple myeloma. PS-1145 exhibits anti-tumor activity on nasopharyngeal carcinoma (NPC) cell lines.
PS-1145 is an IKB kinase (IKK) inhibitor.
Features and Benefits
This compound is featured on the MAPKKKs page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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A Yemelyanov et al.
Oncogene, 25(3), 387-398 (2005-09-20)
A key antiapoptotic transcription factor, nuclear factor kappa-B (NF-kappaB), is known to be critically important for tumor cell growth, angiogenesis and development of metastatic lesions. We and others showed previously that NF-kappaB transcription factor was constitutively activated in androgen-independent prostate
Carola Amormino et al.
Frontiers in immunology, 15, 1365074-1365074 (2024-03-21)
Staphylococcus aureus is a gram-positive bacterium that may cause intestinal inflammation by secreting enterotoxins, which commonly cause food-poisoning and gastrointestinal injuries. Staphylococcal enterotoxin B (SEB) acts as a superantigen (SAg) by binding in a bivalent manner the T-cell receptor (TCR)
Lloyd T Lam et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 11(1), 28-40 (2005-01-27)
Constitutive activation of the NF-kappaB pathway is required for survival of the activated B cell-like (ABC) subgroup of diffuse large B-cell lymphoma (DLBCL). Here we show that a small molecule IkappaB kinase (IKK) inhibitor, PS-1145, and related compounds are toxic
Sameek Roychowdhury et al.
Journal of the National Cancer Institute, 96(19), 1447-1457 (2004-10-07)
Immune-compromised individuals are at increased risk for developing aggressive Epstein-Barr virus (EBV)-associated lymphoproliferative disorders after primary EBV infection or for reactivation of a preexisting latent EBV infection. We evaluated the effect of depsipeptide, a histone deacetylase inhibitor, on EBV-positive lymphoblastoid
Takuya Osada et al.
Cancer research, 71(12), 4172-4182 (2011-05-03)
Wnt/β-catenin pathway activation caused by adenomatous polyposis coli (APC) mutations occurs in approximately 80% of sporadic colorectal cancers (CRC). The antihelminth compound niclosamide downregulates components of the Wnt pathway, specifically Dishevelled-2 (Dvl2) expression, resulting in diminished downstream β-catenin signaling. In
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