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Chemical Structure| 477-43-0 Chemical Structure| 477-43-0

Structure of Dehydrocostus Lactone
CAS No.: 477-43-0

Chemical Structure| 477-43-0

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Dehydrocostus Lactone a naturally occuring sesquiterpene lactone in the roots of Saussurea lappa with anti-inflammatory activity.

Synonyms: Epiligulyl oxide; (-)-Dehydrocostus lactone

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Product Citations

Product Citations

Krueger, Nadine ; Kronenberger, Thales ; Xie, Hang ; Rocha, Cheila ; Poehlmann, Stefan ; Su, Haixia , et al.

Abstract: The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has forced the development of direct-acting antiviral drugs due to the coronavirus disease 2019 (COVID-19) pandemic. The main protease of SARS-CoV-2 is a crucial enzyme that breaks down polyproteins synthesized from the viral RNA, making it a validated target for the development of SARS-CoV-2 therapeutics. New chem. phenotypes are frequently discovered in natural goods. In the current study, we used a fluorogenic assay to test a variety of natural products for their ability to inhibit SARS-CoV-2 Mpro. Several compounds were discovered to inhibit Mpro at low micromolar concentrations It was possible to crystallize robinetin together with SARS-CoV-2 Mpro, and the X-ray structure revealed covalent interaction with the protease's catalytic Cys145 site. Selected potent mols. also exhibited antiviral properties without cytotoxicity. Some of these powerful inhibitors might be utilized as lead compounds for future COVID-19 research.

Keywords: COVID-19 ; antivirals ; coronavirus ; covalent drugs ; dynamic light scattering ; inhibitors ; main protease ; natural products

Alternative Products

Product Details of Dehydrocostus Lactone

CAS No. :477-43-0
Formula : C15H18O2
M.W : 230.30
SMILES Code : O=C(C1=C)O[C@@]([H])([C@]1(CCC2=C)[H])[C@]3(C(CC[C@]32[H])=C)[H]
Synonyms :
Epiligulyl oxide; (-)-Dehydrocostus lactone
MDL No. :MFCD00210277
InChI Key :NETSQGRTUNRXEO-XUXIUFHCSA-N
Pubchem ID :73174

Safety of Dehydrocostus Lactone

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302
Precautionary Statements:P280-P305+P351+P338

Related Pathways of Dehydrocostus Lactone

pyroptosis
TLR

Isoform Comparison

Biological Activity

In Vitro:

Cell Line
Concentration Treated Time Description References
Bone-marrow-derived macrophages (BMDMs) 0, 0.3, 1, 3, 10 μM 0.5 hours pretreatment followed by 0.5 hours LTA stimulation To evaluate the effect of DHL on LTA-induced phosphorylation of p38 MAPK and NF-κB, results showed that DHL inhibited LTA-induced phosphorylation of p38 MAPK and NF-κB in a dose-dependent manner. PMC8472345
RAW264.7 cells 0, 0.3, 1, 3, 10 μM 0.5 hours pretreatment followed by 0.5 hours LTA stimulation To evaluate the effect of DHL on LTA-induced phosphorylation of p38 MAPK and NF-κB, results showed that DHL inhibited LTA-induced phosphorylation of p38 MAPK and NF-κB in a dose-dependent manner. PMC8472345
RAW264.7 macrophages 1, 3, 9 μM 2 h pretreatment followed by LPS/IFNγ stimulation for 5 min to 24 h To evaluate the anti-inflammatory effects of DCL. Results showed DCL significantly inhibited LPS/IFNγ-induced NO and PGE2 production, downregulated iNOS and COX-2 expression, and suppressed NF-κB signaling (reduced phosphorylation of IKKα/β and IκBα, prevented NF-κB p65 nuclear translocation). Additionally, DCL directly bound to IKKα/β and Keap1, inhibiting NF-κB while activating the Nrf2 pathway. PMC8936814
AGS cells 0, 5, 10, 15, 20, 25 μM 24 and 48 hours To evaluate the antiproliferative activity of Dehy, results showed that Dehy inhibited human GC cell proliferation in a dose- and time-dependent manner. PMC11725148
MKN-28 cells 0, 5, 10, 15, 20, 25 μM 24 and 48 hours To evaluate the antiproliferative activity of Dehy, results showed that Dehy inhibited human GC cell proliferation in a dose- and time-dependent manner. PMC11725148
Primary mouse peritoneal macrophages (PMs) 1, 3, 9 μM 24 h To validate anti-inflammatory effects in primary immune cells. DCL dose-dependently inhibited LPS/IFNγ-induced NO production. PMC8936814
Bone-marrow-derived macrophages (BMDMs) 0, 0.3, 1, 3, 10 μM 24 hours To evaluate the effect of DHL on the viability of BMDMs, results showed that DHL did not cause cytotoxicity at concentrations up to 10 μM. PMC8472345
RAW264.7 cells 0, 0.3, 1, 3, 10 μM 24 hours To evaluate the effect of DHL on the viability of RAW264.7 cells, results showed that DHL did not cause cytotoxicity at concentrations up to 10 μM. PMC8472345
Rat nucleus pulposus cells 2.5 μM 24 hours To evaluate the effects of dehydrocostus lactone on cytotoxicity and proliferation of nucleus pulposus cells. Results showed that 2.5 μM DHE slightly promoted cell proliferation, while concentrations ≥20 μM exhibited cytotoxicity. PMC8079987
Huh7 8.311 µM (IC50) 24 hours Evaluation of cytotoxic potential of dehydrocostus lactone on Huh7 cells with IC50 value of 8.311 µM PMC9413334
Hep3B 4.97 µM (IC50) 24 hours Evaluation of cytotoxic potential of dehydrocostus lactone on Hep3B cells with IC50 value of 4.97 µM PMC9413334
HepG2 7.8 µM (IC50) 24 hours Evaluation of cytotoxic potential of dehydrocostus lactone on HepG2 cells with IC50 value of 7.8 µM PMC9413334
SW1353 human chondrocytes 10 and 20 μM 24 hours DHC inhibited TNF-α-induced oxidative stress by suppressing the production of reactive oxygen species (ROS); decreased the expression of pro-inflammatory cytokines IL-1β and IL-6 induced by TNF-α; prevented the degradation of type II collagen and aggrecan by inhibiting the overexpression of MMP-1, MMP-3, MMP-13, ADAMTS-4, and ADAMTS-5; ameliorated the inflammatory response and degeneration of the articular extracellular matrix (ECM) by suppressing nuclear factor-κB (NF-κB) activation. PMC7521500
Rat primary nucleus pulposus cells 2.5 μM 3 days To evaluate the effects of dehydrocostus lactone on TNF-α-induced senescence of nucleus pulposus cells. Results showed that DHE treatment reversed TNF-α-induced senescence. PMC8079987
RAW264.7 cells 0, 3, 5, 10, 30 μM 30 min pretreatment, 24 h LPS stimulation Inhibited LPS-induced NO and iNOS production, reduced pro-inflammatory cytokines TNF-α, IL-1β, IL-6, and IL-12 expression PMC6514677
Primary lung macrophages 0, 3, 5, 10, 30 μM 30 min pretreatment, 8 or 16 h LPS stimulation Inhibited LPS-induced NO and iNOS production, reduced pro-inflammatory cytokines TNF-α, IL-1β, IL-6, and IL-12 expression PMC6514677
RAW264.7 cells 4 μM 4 hours pretreatment followed by RANKL stimulation for 0-60 minutes To investigate the effect of DHE on RANKL-induced signaling pathways. Results showed that DHE suppressed RANKL-induced activation of NF-κB signaling pathway but had little effect on the phosphorylation of MAPK pathway. PMC6653234
Bone marrow-derived macrophages (BMMs) 0, 0.5, 1, 2, 4 μM 5 days To evaluate the effect of DHE on the differentiation of BMMs into osteoclasts. Results showed that DHE inhibited the formation of TRAP-positive multinucleated osteoclasts in a dose-dependent manner, with almost complete inhibition at 4 μmol/L concentration without affecting cell viability. PMC6653234
HBE cells 0, 2, 4, 6, 8 and 10 μg/mL 6, 12, 24 hours DHL showed low toxicity to HBE cells with IC50 > 25 μg/mL. PMC7294112
TU212 cells 0, 2, 4, 6, 8 and 10 μg/mL 6, 12, 24 hours DHL inhibited the proliferation of TU212 cells in a dose- and time-dependent manner and induced apoptosis. PMC7294112
Hep-2 cells 0, 2, 4, 6, 8 and 10 μg/mL 6, 12, 24 hours DHL inhibited the proliferation of Hep-2 cells in a dose- and time-dependent manner and induced apoptosis. PMC7294112

In Vivo:

Species
Animal Model
Administration Dosage Frequency Description References
Wistar rats Benign prostatic hyperplasia model Oral 0.075 mg/kg Daily administration for 8 weeks Dehydrocostus lactone significantly reduced prostate weight, prostate index, and prostate volume, and decreased epithelial cell thickness. Additionally, the BCL-2 mRNA expression level in the DCL group was significantly lower than that in the disease-induced group. PMC7994664
BALB/c nude mice Hep-2 nude mouse xenograft model Intraperitoneal injection 10 and 15 mg/kg Every 2 days for 3 weeks DHL inhibited the growth of Hep-2 xenograft tumours and induced apoptosis in tumour cells without significant toxicity to the organs of nude mice. PMC7294112
BALB/c nude mice MKN-28 cell xenograft model Intraperitoneal injection 15 and 30 mg/kg/day Once daily for two weeks To evaluate the anti-GC effect of Dehy in vivo, results showed that high-dose Dehy significantly inhibited the growth of MKN-28 xenografts. PMC11725148
C57BL/6 mice MRSA-induced acute lung injury model Intraperitoneal injection 2.5 and 5 mg/kg Single dose, lasted for 24 hours To evaluate the effect of DHL on MRSA-induced acute lung injury, results showed that DHL significantly alleviated MRSA-induced lung injury, reducing inflammatory cell infiltration and alveolar structure destruction. PMC8472345
C57BL/6 mice Spinal instability model Intraperitoneal injection 20 mg/kg Once daily for 8 weeks To evaluate the effects of dehydrocostus lactone on intervertebral disc degeneration. Results showed that DHE treatment partially ameliorated the loss of disc height and structural destruction. PMC8079987
Rats Oral administration model Oral 300 mg/kg Single dose, 24-hour sample collection Study the metabolic network of Dehydrocostus Lactone in rats PMC9696973
ICR mice DSS-induced colitis model Intragastric administration 5, 10, 15 mg/kg Once daily for 8 days To assess the therapeutic effects of DCL on DSS-induced colitis. Results demonstrated DCL significantly alleviated weight loss, colon shortening, increased spleen index, and colonic tissue damage (reduced CD68+ macrophage infiltration and MPO+ neutrophil accumulation), while restoring intestinal barrier function (upregulated ZO-1 and Occludin expression). PMC8936814
C57BL/6 mice LPS-induced acute lung injury model Intraperitoneal injection 5, 10, 20 mg/kg Single administration, evaluated after 24 h Attenuated LPS-induced lung pathological injury, reduced inflammatory cell infiltration and pro-inflammatory cytokine expression, inhibited phosphorylation of p38 MAPK/MK2, Akt, and NF-κB PMC6514677
Nude mice EJ xenograft model Oral gavage 50 mg/kg Every other day for 20 days To evaluate antitumor activity, results showed 81% tumor growth inhibition PMC5995859
C57BL/6 mice DSS-induced ulcerative colitis model Oral administration 6, 12, 24 mg/kg/day Once daily for 10 days Dehydrocostus lactone alleviated DSS-induced weight loss, colon shortening, and pathological changes in mice by downregulating the expression of TLR4, PIK3R1, and RELA, thereby mitigating ulcerative colitis. PMC11608259
C57BL/6 mice LPS-induced bone loss model and titanium particle-induced calvarial osteolysis model Intraperitoneal injection 7.5 μg/g and 15 μg/g Started 1 day before LPS injection, administered every other day for up to 8 days To evaluate the protective effect of DHE on LPS-induced bone loss and titanium particle-induced calvarial osteolysis. Results showed that DHE partially restored LPS-induced bone loss and titanium particle-induced calvarial osteolysis in a dose-dependent manner. PMC6653234
BALB/c nude mice DSS-induced colitis model Tail vein injection 8 mg/mL, 100 μL Single injection, observed for 72 hours Evaluated the biodistribution of dehydrocostus lactone, showing higher accumulation in the lung and gastrointestinal tract PMC7570101

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

4.34mL

0.87mL

0.43mL

21.71mL

4.34mL

2.17mL

43.42mL

8.68mL

4.34mL

Dissolving Methods
Please choose the appropriate dissolution scheme according to your animal administration guide.For the following dissolution schemes, clear stock solution should be prepared according to in vitro experiments, and then cosolvent should be added in turn:

in order to ensure the reliability of the experimental results, the clarified stock solution can be properly preserved according to the storage conditions; The working fluid for in vivo experiment is recommended to be prepared now and used on the same day;

The percentage shown in front of the following solvent refers to the volume ratio of the solvent in the final solution; If precipitation or precipitation occurs in the preparation process, it can be assisted by heating and/or ultrasound.
Protocol 1
Protocol 2

References

[1]Dong GZ, Shim AR, et al. Inhibition of Wnt/β-Catenin Pathway by Dehydrocostus Lactone and Costunolide in Colon Cancer Cells. Phytother Res. 2015 May;29(5):680-6.

[2]Kretschmer N, Rinner B, et al. Effect of costunolide and dehydrocostus lactone on cell cycle, apoptosis, and ABC transporter expression in human soft tissue sarcoma cells. Planta Med. 2012 Nov;78(16):1749-56.

[3]Oh GS, Pae HO, Chung HT, Kwon JW, Lee JH, Kwon TO, Kwon SY, Chon BH, Yun YG. Dehydrocostus lactone enhances tumor necrosis factor-alpha-induced apoptosis of human leukemia HL-60 cells. Immunopharmacol Immunotoxicol. 2004 May;26(2):163-75

[4]Lee HJ, Kim NY, Jang MK, Son HJ, Kim KM, Sohn DH, Lee SH, Ryu JH. A sesquiterpene, dehydrocostus lactone, inhibits the expression of inducible nitric oxide synthase and TNF-alpha in LPS-activated macrophages. Planta Med. 1999 Mar;65(2):104-8

[5]Kim EJ, Lim SS, Park SY, Shin HK, Kim JS, Park JH. Apoptosis of DU145 human prostate cancer cells induced by dehydrocostus lactone isolated from the root of Saussurea lappa. Food Chem Toxicol. 2008 Dec;46(12):3651-8

[6]Nie Y, Wang Z, Chai G, Xiong Y, Li B, Zhang H, Xin R, Qian X, Tang Z, Wu J, Zhao P. Dehydrocostus Lactone Suppresses LPS-induced Acute Lung Injury and Macrophage Activation through NF-κB Signaling Pathway Mediated by p38 MAPK and Akt. Molecules. 2019 Apr 17;24(8):1510

[7]Cai H, Yang CH, He XL. [Effect of Dehydrocostus Lactone on Proliferation of K562 Cells and Its Mechanism]. Zhongguo Shi Yan Xue Ye Xue Za Zhi. 2019 Oct;27(5):1436-1439. Chinese

[8]Li Z, Yuan G, Lin X, Liu Q, Xu J, Lian Z, Song F, Zheng J, Xie D, Chen L, Wang X, Feng H, Zhou M, Yao G. Dehydrocostus lactone (DHC) suppresses estrogen deficiency-induced osteoporosis. Biochem Pharmacol. 2019 May;163:279-289

 

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