DPI (Diphenyleneiodonium chloride)

DPI (Diphenyleneiodonium chloride) is an inhibitor of NADPH oxidase and also a potent, irreversible, and time-, temperature-dependent iNOS/eNOS inhibitor. Diphenyleneiodonium chloride (DPI) also functions as a TRPA1 activator and selectively inhibits intracellular reactive oxygen species (ROS).

DPI (Diphenyleneiodonium chloride)化学構造

CAS No. 4673-26-1

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DPI (Diphenyleneiodonium chloride)関連製品

NADPH-oxidase阻害剤の選択性比較

Cell Data

Cell Lines Assay Type Concentration Incubation Time 活性情報 PMID
VSMC Function assay 10 μM 6 h diminished PDGF-BB-evoked VSMC dedifferentiation, proliferation and migration 29175753
RAW264.7 Function assay 10 μM 4 days DPI administration inhibited the effect of RANKL on osteoclast differentiation and reduced the number of TRAP-positive multinuclear cells 30942408
MC3T3-E1 Function assay 10 μM 30 min block ROS generation and NOX expression 31049140
RAW264.7 Function assay 1 hr Inhibition of LPS-stimulated ROS production in mouse RAW264.7 cells preincubated for 1 hr followed by LPS stimulation after 24 hrs by CMH2DCFDA probe-based fluorescence assay 28384544
HK-2 Function assay inhibited ROS generation in the TZA-induced necroptosis 28894570
mouse neural precursor cells Function assay Inhibition of neurosphere proliferation of mouse neural precursor cells by MTT assay 17417631
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生物活性

製品説明 DPI (Diphenyleneiodonium chloride) is an inhibitor of NADPH oxidase and also a potent, irreversible, and time-, temperature-dependent iNOS/eNOS inhibitor. Diphenyleneiodonium chloride (DPI) also functions as a TRPA1 activator and selectively inhibits intracellular reactive oxygen species (ROS).
Targets
NADPH oxidase [1]
In Vitro
In vitro

DPI inhibits the activity of NADPH oxidase, nitric oxide synthase, xanthine oxidase and NADPH cytochrome P450 oxidoreductase[4].

Femtomolar concentrations of DPI exert potent anti-inflammatory and neuroprotective effects by inhibiting microglial activation through the inhibition of ERK-regulated PHOX activity[1].

DPI has frequently been used to inhibit ROS production mediated by various flavoenzymes, including NAD(P)H oxidase, quinone oxidoreductase, cytochrome P450 reductase and nitric oxide synthase[2].

NADPH, NADP+, and 2'5'-ADP blocks the inhibitory action of DPI[3].

DPI treatment in ARPE-19 cells evoked a dose- and time-dependent growth inhibition, and also induced DNA fragmentation and protein content of the proapoptotic factor Bax. In addition, DPI significantly induced the expression and phosphorylation of p53, which induces proapoptotic genes in response to DNA damage or irreparable cell cycle arrest. ROS have been implicated as a key factor in the activation of p53 by many chemotherapeutic drugs[4].

細胞実験 細胞株 ARPE-19 cells
濃度 0.1, 1, and 10 μM
反応時間 6, 12, 24, and 48 h
実験の流れ

ARPE-19 cells are plated at 1×106 cells per 60-mm dishes and incubated for 24 h. Cells are cultured in presence or absence of different concentrations of DPI in fresh DMEM/F12 medium supplemented with 10% FBS. After incubation, the cells are trypsinized, washed with phosphate-buffered saline (PBS) and the viable cells were scored by the trypan blue dye exclusion method using a hemocytometer.

実験結果図 Methods Biomarkers 結果図 PMID
Western blot Nox1 / MMP2 / MMP9 26760964
In Vivo
In Vivo

Diphenyleneiodonium (DPI), an NADPH oxidase inhibitor, inhibited the production of pro-inflammatory cytokines, (TNF-α and IL-6), reduced macrophage infiltration and classical polarization, and induced the ROS generation.

動物実験 動物モデル Male C57BL/6 mice
投与量 1 mg/kg
投与経路 i.p.
NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT06061679 Not yet recruiting
COPD (Chronic Obstructive Pulmonary Disease) With Acute Lower Respiratory Infection
Fondazione Policlinico Universitario Agostino Gemelli IRCCS|University of Florence UNIFI University of Florence Florence Italy Florence
November 2023 Not Applicable
NCT06111664 Recruiting
Mood Disorders
University Hospital Strasbourg France
May 1 2023 --
NCT05706129 Recruiting
Clear Cell Renal Cell Cancer (ccRCC)|Pancreatic Ductal Adenocarcinoma (PDAC)|Colorectal Cancer (CRC)
Debiopharm International SA
March 14 2023 Phase 1|Phase 2
NCT05764681 Not yet recruiting
Cerebral Palsy|Chronic Post Surgical Pain
Gillette Children''s Specialty Healthcare|National Institutes of Health (NIH)|Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)|University of Minnesota
March 2023 --

化学情報

分子量 314.55 化学式

C12H8I.Cl

CAS No. 4673-26-1 SDF Download DPI (Diphenyleneiodonium chloride) SDFをダウンロードする
Smiles C1=CC=C2C(=C1)C3=CC=CC=C3[I+]2.[Cl-]
保管

In vitro
Batch:

DMSO : 13 mg/mL ( (41.32 mM); 吸湿したDMSOは溶解度を減少させます。新しいDMSOをご使用ください。)

Water : Insoluble

Ethanol : Insoluble

モル濃度計算器

in vivo
Batch:

Add solvents to the product individually and in order.

投与溶液組成計算機

実験計算

モル濃度計算器

質量 濃度 体積 分子量

投与溶液組成計算機(クリア溶液)

ステップ1:実験データを入力してください。(実験操作によるロスを考慮し、動物数を1匹分多くして計算・調製することを推奨します)

mg/kg g μL

ステップ2:投与溶媒の組成を入力してください。(ロット毎に適した溶解組成が異なる場合があります。詳細については弊社までお問い合わせください)

% DMSO % % Tween 80 % ddH2O
%DMSO %

計算結果:

投与溶媒濃度: mg/ml;

DMSOストック溶液調製方法: mg 試薬を μL DMSOに溶解する(濃度 mg/mL, 注:濃度が当該ロットのDMSO溶解度を超える場合はご連絡ください。 )

投与溶媒調製方法:Take μL DMSOストック溶液に μL PEG300,を加え、完全溶解後μL Tween 80,を加えて完全溶解させた後 μL ddH2O,を加え完全に溶解させます。

投与溶媒調製方法:μL DMSOストック溶液に μL Corn oil,を加え、完全溶解。

注意:1.ストック溶液に沈殿、混濁などがないことをご確認ください;
2.順番通りに溶剤を加えてください。次のステップに進む前に溶液に沈殿、混濁などがないことを確認してから加えてください。ボルテックス、ソニケーション、水浴加熱など物理的な方法で溶解を早めることは可能です。

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