Chemistry:Chelerythrine

From HandWiki
Chelerythrine
Skeletal formula of chelerythrine
Ball-and-stick model of the chelerythrine molecule
Names
Preferred IUPAC name
1,2-Dimethoxy-12-methyl-9H-[1,3]benzodioxolo[5,6-c]phenanthridin-12-ium
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
EC Number
  • 251-930-0
  • chloride: 223-444-9
KEGG
UNII
Properties
C21H18NO4
Molar mass 348.378 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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Chelerythrine is a benzophenanthridine alkaloid present in the plant Chelidonium majus (greater celandine). It is a potent, selective, and cell-permeable protein kinase C inhibitor in vitro.[1] And an efficacious antagonist of G-protein-coupled CB1 receptors.[2] This molecule also exhibits anticancer qualities and it has served as a base for many potential novel drugs against cancer. Structurally, this molecule has two distinct conformations, one being a positively charged iminium form, and the other being an uncharged form, a pseudo-base.[3]

It is also found in the plants Zanthoxylum clava-herculis and Zanthoxylum rhoifolium, exhibiting antibacterial activity against Staphylococcus aureus and other human pathogens.[4][5]

Research

Antibacterial agent

Chelerythrine is a potent antibacterial agent that has aided in dealing with the emergence of antibacterial resistant bacteria. This molecule has the ability to disrupt a bacteria's cell wall and cell membrane, as well as preventing bacterial growth, all of which contribute to bacterial death.[6]

Cellular apoptosis

Studies have shown that chelerythrine inhibits SERCA activity, more importantly the concentration needed to inhibit this enzyme is within range to that needed to inhibit protein kinase C. The negative regulation of SERCA activity results in accumulation of calcium ions in the cytoplasm, leading to the forced influx of calcium ions to the mitochondria. High calcium ion concentration in the mitochondria greatly alters its normal activity and leads to apoptosis signaling, and eventually cellular destruction. Other cellular transporters, like the PMCA, have also been shown to be negatively regulated by chelerythrine, preventing PMCA to effectively take out calcium ions from inside the cell. This further contributes to the loss of calcium ion balance within the cell and eventual cell death.[7][8] In triple-negative breast cancer cells, this molecule is found to induce apoptosis. Nuclear fragmentation and chromatin condensation is observed, which is indicative of apoptosis. [9]

Other

Previous studies have showcased chelerythrine's ability to inhibit, or delay, cell proliferation, allowing it to be used to combat cancerous cells and promote cellular apoptosis, both in vivo and in vitro.[10][11] However, further studies of this alkaloid have revealed that it has low selectivity and it can also promote cellular apoptosis of non-cancerous cells, thus displaying cytotoxic behavior.[12][13][14] The creation of chelerythrine analogs have helped exploit this molecule's anticancer capabilities, while lessening its cytotoxic effects on non-cancerous cells. These novel analogs have been modified to have increased specificity for cancerous cells, thus decreasing cytotoxic effects and non-cancerous cell apoptosis.[15]

Anti-cancer mechanisms

Depending on the form of cancer, chelerythrine can exhibit different effects on tumor cells, leading to inhibition of tumor growth. These mechanisms include inducing apoptosis, arrest of the cell cycle, promoting autophagy of cancerous cells, and the inhibition of telomerase. It has been found to be a possible anti-cancer agent for liver, gastric, breast, renal, and cervical cancers.[16] Despite these claims, it is important to note that the related compound sanguinarine is associated with severe adverse effects. This is insufficient evidence to endorse the usage of chelerythrine present in botanical products as a cancer treatment.

Role as a protein kinase C inhibitor

Studies show that chelerythrine is a specific and potent protein kinase C inhibitor. Due to its inhibitory effects on protein kinase C, it has been found of use against triple-negative breast cancer. By inhibiting protein kinase C, signaling pathways are disrupted, inducing cell cycle arrest.[17]

References

  1. ↑ Chelerythrine Chloride from Fermentek
  2. ↑ Dhopeshwarkar, Amey S.; Jain, Saurabh; Liao, Chengyong; Ghose, Sudip K.; Bisset, Kathleen M.; Nicholson, Russell A. (2011-03-01). "The actions of benzophenanthridine alkaloids, piperonyl butoxide and (S)-methoprene at the G-protein coupled cannabinoid CB₁ receptor in vitro". European Journal of Pharmacology 654 (1): 26–32. doi:10.1016/j.ejphar.2010.11.033. ISSN 1879-0712. PMID 21172340. 
  3. ↑ Dostál, Jiří; Táborská, Eva; Slavík, Jiří; Potáček, Milan; de Hoffmann, Edmond (May 1995). "Structure of Chelerythrine Base". Journal of Natural Products 58 (5): 723–729. doi:10.1021/np50119a010. ISSN 0163-3864. 
  4. ↑ Gibbons, Simon et al. (2003). "<Activity of Zanthoxylum clava-herculis extracts against multi-drug resistant methicillin-resistant Staphylococcus aureus (mdr-MRSA)>". Phytotherapy Research 17 (3): 274–275. doi:10.1002/ptr.1112. PMID 12672160. 
  5. ↑ Tavares, Luciana de C et al. (2014). "<Structure-activity relationship of benzophenanthridine alkaloids from Zanthoxylum rhoifolium having antimicrobial activity>". PLOS ONE 9 (5): e97000. doi:10.1371/journal.pone.0097000. PMID 24824737. Bibcode: 2014PLoSO...997000T. 
  6. ↑ He, Nan; Wang, Peiqing; Wang, Pengyu; Ma, Changyang; Kang, Wenyi (2018-09-26). "Antibacterial mechanism of chelerythrine isolated from root of Toddalia asiatica (Linn) Lam". BMC Complementary and Alternative Medicine 18 (1): 261. doi:10.1186/s12906-018-2317-3. ISSN 1472-6882. PMID 30257662. 
  7. ↑ Saavedra, Ana; Fernández-García, Sara; Cases, Silvia; Puigdellívol, Mar; Alcalá-Vida, Rafael; Martín-Flores, Núria; Alberch, Jordi; Ginés, Silvia et al. (April 2017). "Chelerythrine promotes Ca2+-dependent calpain activation in neuronal cells in a PKC-independent manner". Biochimica et Biophysica Acta (BBA) - General Subjects 1861 (4): 922–935. doi:10.1016/j.bbagen.2017.01.021. ISSN 0304-4165. PMID 28130160. 
  8. ↑ Vieira, Saulo Martins; de Oliveira, Vanessa Honorato; Valente, Raphael do Carmo; Moreira, Otacílio da Cruz; Fontes, Carlos Frederico Leite; Mignaco, Julio Alberto (2015-03-15). "Chelerythrine inhibits the sarco/endoplasmic reticulum Ca(2+)-ATPase and results in cell Ca(2+) imbalance". Archives of Biochemistry and Biophysics 570: 58–65. doi:10.1016/j.abb.2015.02.019. ISSN 1096-0384. PMID 25721495. 
  9. ↑ Lin, Wanjun; Huang, Jiajun; Yuan, Zhongwen; Feng, Senling; Xie, Ying; Ma, Wenzhe (2017-05-17). "Protein kinase C inhibitor chelerythrine selectively inhibits proliferation of triple-negative breast cancer cells" (in en). Scientific Reports 7 (1): 2022. doi:10.1038/s41598-017-02222-0. ISSN 2045-2322. PMID 28515445. Bibcode: 2017NatSR...7.2022L. 
  10. ↑ Chen, Xiao-Meng; Zhang, Meng; Fan, Peng-Li; Qin, Yu-Hua; Zhao, Hong-Wei (June 2016). "Chelerythrine chloride induces apoptosis in renal cancer HEK-293 and SW-839 cell lines". Oncology Letters 11 (6): 3917–3924. doi:10.3892/ol.2016.4520. ISSN 1792-1074. PMID 27313717. 
  11. ↑ Kumar, Sanjay; Tomar, Munendra Singh; Acharya, Arbind (October 2015). "Chelerythrine delayed tumor growth and increased survival duration of Dalton's lymphoma bearing BALB/c H(2d) mice by activation of NK cells in vivo". Journal of Cancer Research and Therapeutics 11 (4): 904–910. doi:10.4103/0973-1482.143342. ISSN 1998-4138. PMID 26881539. 
  12. ↑ Vieira, Saulo Martins; de Oliveira, Vanessa Honorato; Valente, Raphael do Carmo; Moreira, Otacílio da Cruz; Fontes, Carlos Frederico Leite; Mignaco, Julio Alberto (2015-03-15). "Chelerythrine inhibits the sarco/endoplasmic reticulum Ca(2+)-ATPase and results in cell Ca(2+) imbalance". Archives of Biochemistry and Biophysics 570: 58–65. doi:10.1016/j.abb.2015.02.019. ISSN 1096-0384. PMID 25721495. 
  13. ↑ Shen, Yizhong; Zhu, Chunlei; Wang, Yaping; Xu, Jingjing; Xue, Ruyu; Ji, Fuyun; Wu, Yiwei; Wu, Zeyu et al. (2020-01-01). "Evaluation the binding of chelerythrine, a potentially harmful toxin, with bovine serum albumin" (in en). Food and Chemical Toxicology 135: 110933. doi:10.1016/j.fct.2019.110933. ISSN 0278-6915. PMID 31682930. 
  14. ↑ Zhang, Zhengfu; Guo, Ying; Zhang, Lingwei; Zhang, Jianbin; Wei, Xionghui (2012-10-01). "Chelerythrine chloride from Macleaya cordata induces growth inhibition and apoptosis in human gastric cancer BGC-823 cells" (in en). Acta Pharmaceutica Sinica B 2 (5): 464–471. doi:10.1016/j.apsb.2011.12.013. ISSN 2211-3835. 
  15. ↑ Yang, Rosania; Tavares, Maurício T.; Teixeira, Sarah F.; Azevedo, Ricardo A.; C Pietro, Diego; Fernandes, Thais B.; Ferreira, Adilson K.; Trossini, Gustavo H. G. et al. (1 October 2016). "Toward chelerythrine optimization: Analogues designed by molecular simplification exhibit selective growth inhibition in non-small-cell lung cancer cells". Bioorganic & Medicinal Chemistry 24 (19): 4600–4610. doi:10.1016/j.bmc.2016.07.065. ISSN 1464-3391. PMID 27561984. 
  16. ↑ Chen, Nianzhi; Qi, Yulin; Ma, Xiao; Xiao, Xiaolin; Liu, Qingsong; Xia, Ting; Xiang, Juyi; Zeng, Jinhao et al. (2022). "Rediscovery of Traditional Plant Medicine: An Underestimated Anticancer Drug of Chelerythrine". Frontiers in Pharmacology 13: 906301. doi:10.3389/fphar.2022.906301. ISSN 1663-9812. PMID 35721116. 
  17. ↑ Lin, Wanjun; Huang, Jiajun; Yuan, Zhongwen; Feng, Senling; Xie, Ying; Ma, Wenzhe (2017-05-17). "Protein kinase C inhibitor chelerythrine selectively inhibits proliferation of triple-negative breast cancer cells" (in en). Scientific Reports 7 (1): 2022. doi:10.1038/s41598-017-02222-0. ISSN 2045-2322. PMID 28515445. Bibcode: 2017NatSR...7.2022L. 



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