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Xiao Y, Xu B, Li X, Ding T, Zhao W, Nie X, Mu J, Xiao Z, Wang Q, Ren Q, Zhang E. Potential targets of diosgenin for the treatment of oral squamous cell carcinoma and their bioinformatics and transcriptional profiling analyses. Steroids 2024; 205:109393. [PMID: 38458369 DOI: 10.1016/j.steroids.2024.109393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 02/21/2024] [Accepted: 03/05/2024] [Indexed: 03/10/2024]
Abstract
Diosgenin can inhibit the proliferation and cause apoptosis of various tumor cells, and its inhibitory effect on oral squamous cell carcinoma (OSCC) and its mechanism are still unclear. In this study, we predicted the targets of diosgenin for the treatment of OSCC through the database, then performed bioinformatics analysis of the targets, and further verified the effect of diosgenin on the activity of OSCC cell line HSC-3, the transcriptional profile of the targets and the molecular docking of the targets with diosgenin. The results revealed that there were 146 potential targets of diosgenin for OSCC treatment, which involved signaling pathways such as Ras, TNF, PI3K-AKT, HIF, NF-κB, and could regulate cellular activity through apoptosis, autophagy, proliferation and differentiation, inflammatory response, DNA repair, etc. Diosgenin significantly inhibited HSC-3 cell activity. The genes such as AKT1, MET1, SRC1, APP1, CCND1, MYC, PTGS2, AR, NFKB1, BIRC2, MDM2, BCL2L1, MMP2, may be important targets of its action, not only their expression was regulated by diosgenin but also their proteins had a high binding energy with diosgenin. These results suggest that diosgenin may have a therapeutic effect on OSCC through AKT1, MMP2 and other targets and multiple signaling pathways, which is of potential clinical value.
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Affiliation(s)
- Yang Xiao
- Microbial Resources and Drug Development Key Laboratory of Guizhou Tertiary Institution, Zunyi Medical University, Zunyi 563000, China; The First Clinical Institute, Zunyi Medical University, Zunyi 563000, China
| | - Bingbing Xu
- School of Preclinical Medicine, Zunyi Medical University, Zunyi 563000, China
| | - Xiaolan Li
- Microbial Resources and Drug Development Key Laboratory of Guizhou Tertiary Institution, Zunyi Medical University, Zunyi 563000, China; Special Key Laboratory of Oral Diseases Research, School of Stomatology, Zunyi Medical University, Zunyi 563000, China.
| | - Tianhao Ding
- Special Key Laboratory of Oral Diseases Research, School of Stomatology, Zunyi Medical University, Zunyi 563000, China
| | - Wenxin Zhao
- The First Clinical Institute, Zunyi Medical University, Zunyi 563000, China
| | - Xiaoxue Nie
- School of Preclinical Medicine, Zunyi Medical University, Zunyi 563000, China
| | - Junxia Mu
- School of Preclinical Medicine, Zunyi Medical University, Zunyi 563000, China
| | - Zhiyou Xiao
- School of Preclinical Medicine, Zunyi Medical University, Zunyi 563000, China
| | - Qian Wang
- Microbial Resources and Drug Development Key Laboratory of Guizhou Tertiary Institution, Zunyi Medical University, Zunyi 563000, China; Special Key Laboratory of Oral Diseases Research, School of Stomatology, Zunyi Medical University, Zunyi 563000, China
| | - Qunli Ren
- Microbial Resources and Drug Development Key Laboratory of Guizhou Tertiary Institution, Zunyi Medical University, Zunyi 563000, China; Special Key Laboratory of Oral Diseases Research, School of Stomatology, Zunyi Medical University, Zunyi 563000, China
| | - Enkui Zhang
- School of Preclinical Medicine, Zunyi Medical University, Zunyi 563000, China
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Liu X, Shen D, Liu L, Peng Y, Lu Q. Diosgenin improves post-myocardial infarction cardiac function via HAND2-induced angiogenesis. Biochem Biophys Res Commun 2024; 712-713:149941. [PMID: 38643718 DOI: 10.1016/j.bbrc.2024.149941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 04/10/2024] [Accepted: 04/12/2024] [Indexed: 04/23/2024]
Abstract
While diosgenin has been demonstrated effective in various cardiovascular diseases, its specific impact on treating heart attacks remains unclear. Our research revealed that diosgenin significantly improved cardiac function in a myocardial infarction (MI) mouse model, reducing cardiac fibrosis and cell apoptosis while promoting angiogenesis. Mechanistically, diosgenin upregulated the Hand2 expression, promoting the proliferation and migration of endothelial cells under hypoxic conditions. Acting as a transcription factor, HAND2 activated the angiogenesis-related gene Aggf1. Conversely, silencing Hand2 inhibited the diosgenin-induced migration of hypoxic endothelial cells and angiogenesis. In summary, these findings provide new insights into the protective role of diosgenin in MI, validating its effect on angiogenic activity and providing a theoretical basis for clinical treatment strategies.
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Affiliation(s)
- Xuehua Liu
- Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, 210008, China; Cardiac Department, Sir Runrun Hospital Affiliated to Nanjing Medical University, Nanjing, 211166, China
| | - Dehong Shen
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Longfei Liu
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Yuzhu Peng
- Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, 210008, China.
| | - Qiulun Lu
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China.
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Man S, Zhang X, Xie L, Zhou Y, Wang G, Hao R, Gao W. A new insight into material basis of rhizoma Paridis saponins in alleviating pain. J Ethnopharmacol 2024; 323:117642. [PMID: 38151180 DOI: 10.1016/j.jep.2023.117642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 12/04/2023] [Accepted: 12/19/2023] [Indexed: 12/29/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Paris polyphylla, as a traditional Chinese herbal medicine, was often used to relieve inflammation and pain. Rhizoma Paridis saponins (RPS) as the main active components of Paris polyphylla have excellent analgesic effects. AIM OF THE STUDY Determine the analgesic material basis of RPS. MATERIALS AND METHODS LC-MS/MS was used to analyze RPS, plasma after intravenous injection of RPS, and oral administration of RPS. H22 plantar pain model was established to explore the analgesic material basis of RPS. Moreover, correlation analysis, network pharmacology, RT-PCR and molecular docking were applied in this research. RESULTS RPS had dose-dependently analgesic effects in acetic acid- and formalin-induced pain models. LC-MS/MS detection indicated that diosgenin as the metabolite of RPS mainly distributed in brain tissues. The addition of antibiotics increased the anti-tumor effect of RPS, but reduced its analgesic effect. Network pharmacology, RT-PCR and molecular docking showed that diosgenin exerted its analgesic effect through SRC and Rap1 signaling pathway. CONCLUSION Diosgenin exhibited analgesic effects, while saponins had good anti-tumor effects in RPS. This discovery provided a better indication for the later application of RPS in anti-tumor and analgesic settings.
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Affiliation(s)
- Shuli Man
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China.
| | - Xinghao Zhang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Lu Xie
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Yaxue Zhou
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Genbei Wang
- State Key Laboratory of Core Technology in Innovative Chinese Medicine, Tasly Holding Group Co., Ltd., Tianjin 300410, China
| | - Ruijia Hao
- State Key Laboratory of Core Technology in Innovative Chinese Medicine, Tasly Holding Group Co., Ltd., Tianjin 300410, China
| | - Wenyuan Gao
- Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, 300072, China.
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Teymouri F, Karimi E. Development of chitosan-folate modified PLGA nanoparticles for targeted delivery of diosgenin as an anticancer agent. Discov Oncol 2024; 15:100. [PMID: 38568336 PMCID: PMC10992453 DOI: 10.1007/s12672-024-00957-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 03/28/2024] [Indexed: 04/06/2024] Open
Abstract
Diosgenin as a potential phytoconstituent and steroidal saponin manifested significant anticancer agents against various cancers. To enhance its solubility and bioavailability in cancer treatment, we loaded diosgenin (PubChem CID: 99474) in poly(lactic-co-glycolide) (PLGA) nanoparticle coated with folic acid-chitosan (Da-PFC-NPs). The diosgenin nano-formulation was characterized and its antioxidant and anticancer properties were surveyed respectively. The obtained results illustrated that the Da-PFC-NPs were spherical and stable with a size of 218 nm and a polydispersity index of 0.41. The Da-PFC-NPs indicated potential free radical scavenging using ABTS and DPPH assay. Meanwhile, it demonstrated selective toxicity against the TUBO breast cancer cell with IC50 values of 104.45 μg/ml and did not show toxicity on normal cells (I929 cell line). The invivo funding exhibited that Da-PFC-NPs notably altered the liver enzymes (AST, ALT, ALP) and immunoglobulins (IgA, IgG, IgM). Besides that, different doses of Da-PFC-NPs (50 and 100 mg/kg) remarkedly enhance the expression of caspase 3 and decrease HER2 genes. In light of this experiment, we can conclude that Da-PFC-NPs have promise as novel carrier for improving the delivery of diosgenin in cancer therapy.
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Affiliation(s)
- Fatemeh Teymouri
- Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Ehsan Karimi
- Department of Biology, Mashhad Branch, Islamic Azad University, Mashhad, Iran.
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Ben-Azu B, Moke EG, Chris-Ozoko LE, Jaiyeoba-Ojigho EJ, Adebayo OG, Ajayi AM, Oyovwi MO, Odjugo G, Omozojie VI, Ejomafuwe G, Onike N, Eneni AEO, Ichipi-Ifukor CP, Achuba IF. Diosgenin alleviates alcohol-mediated escalation of social defeat stress and the neurobiological sequalae. Psychopharmacology (Berl) 2024; 241:785-803. [PMID: 38311692 DOI: 10.1007/s00213-023-06509-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 11/15/2023] [Indexed: 02/06/2024]
Abstract
RATIONALE Emerging evidence indicates that persistent alcohol consumption escalates psychosocial trauma achieved by social defeat stress (SDS)-induced neurobiological changes and behavioral outcomes. Treatment with compounds with neuroprotective functions is believed to reverse ethanol (EtOH)-aggravated SDS-induced behavioral impairments. OBJECTIVES We investigated the outcomes of diosgenin treatment, a phytosteroidal sapogenin in mice co-exposed to repeated SDS and EtOH administration. METHODS During a period of 14 days, SDS male mice were repeatedly administered EtOH (20%, 10 mL/kg) orally from days 8-14 (n = 9). Within days 1-14, SDS mice fed with EtOH were simultaneously treated with diosgenin (25 and 50 mg/kg) or fluoxetine (10 mg/kg) by oral gavage. Locomotor, cognitive-, depressive-, and anxiety-like behaviors were assessed. Adrenal weight, serum glucose, and corticosterone levels were assayed. Brain markers of oxido-inflammatory, neurochemical levels, monoamine oxidase-B, and acetylcholinesterase activities were measured in the striatum, prefrontal cortex, and hippocampus. RESULTS The anxiety-like behavior, depression, low stress resilience, social, and spatial/non-spatial memory decline exhibited by SDS mice exposed to repeated EtOH administration were alleviated by diosgenin (25 and 50 mg/kg) and fluoxetine, illustrated by increased dopamine and serotonin concentrations and reduced monoamine oxidase-B and acetylcholinesterase activities in the prefrontal cortex, hippocampus, and striatum. Diosgenin attenuated SDS + EtOH interaction induced corticosterone release and adrenal hypertrophy, accompanied by reduced TNF-α, IL-6, malondialdehyde, and nitrite levels in the striatum, prefrontal cortex, and hippocampus. Diosgenin increased glutathione, superoxide dismutase, and catalase levels in SDS + EtOH-exposed mice. CONCLUSIONS Our data suggest that diosgenin reverses SDS + EtOH interaction-induced behavioral changes via normalization of hypothalamic-pituitary-adrenal axis, neurochemical neurotransmissions, and inhibition of oxidative and inflammatory mediators in mice brains.
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Affiliation(s)
- Benneth Ben-Azu
- DELSU Joint Canada-Israel Neuroscience and Biopsychiatry Laboratory, Department of Pharmacology, Faculty of Basic Medical Sciences, College of Health Sciences, Delta State University, Abraka, Nigeria.
| | - Emuesiri Goodies Moke
- DELSU Joint Canada-Israel Neuroscience and Biopsychiatry Laboratory, Department of Pharmacology, Faculty of Basic Medical Sciences, College of Health Sciences, Delta State University, Abraka, Nigeria
| | - Lilian E Chris-Ozoko
- Department of Anatomy, Faculty of Basic Medical Sciences, College of Health Sciences, Delta State University, Abraka, Delta State, Nigeria
| | - Efe J Jaiyeoba-Ojigho
- Department of Anatomy, Faculty of Basic Medical Sciences, College of Health Sciences, Delta State University, Abraka, Delta State, Nigeria
| | - Olusegun G Adebayo
- DELSU Joint Canada-Israel Neuroscience and Biopsychiatry Laboratory, Department of Pharmacology, Faculty of Basic Medical Sciences, College of Health Sciences, Delta State University, Abraka, Nigeria
- Department of Physiology, Faculty of Basic Medical Sciences, Neurophysiology Unit, PAMO University of Medical Sciences, River State, Port-Harcourt, Nigeria
| | - Abayomi Mayowa Ajayi
- Department of Pharmacology and Therapeutics, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria
| | - Mega O Oyovwi
- Department of Basic Medical Science, Achievers University, Owo, Ondo State, Nigeria
| | - Gideon Odjugo
- DELSU Joint Canada-Israel Neuroscience and Biopsychiatry Laboratory, Department of Pharmacology, Faculty of Basic Medical Sciences, College of Health Sciences, Delta State University, Abraka, Nigeria
| | - Vincent I Omozojie
- DELSU Joint Canada-Israel Neuroscience and Biopsychiatry Laboratory, Department of Pharmacology, Faculty of Basic Medical Sciences, College of Health Sciences, Delta State University, Abraka, Nigeria
| | - Goddey Ejomafuwe
- DELSU Joint Canada-Israel Neuroscience and Biopsychiatry Laboratory, Department of Pharmacology, Faculty of Basic Medical Sciences, College of Health Sciences, Delta State University, Abraka, Nigeria
| | - Nzubechukwu Onike
- DELSU Joint Canada-Israel Neuroscience and Biopsychiatry Laboratory, Department of Pharmacology, Faculty of Basic Medical Sciences, College of Health Sciences, Delta State University, Abraka, Nigeria
| | - Aya-Ebi O Eneni
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Delta State University, Abraka, Delta State, Nigeria
| | | | - Ifeakachuku F Achuba
- Department of Biochemistry, Faculty of Sciences, Delta State University, Abraka, Delta State, Nigeria
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Abidi SMS, Shukla AK, Randhawa S, Bathla M, Acharya A. Diosgenin loaded cellulose nanoonion impedes different stages of protein aggregation induced cell death via alleviating mitochondrial dysfunction and upregulation of autophagy. Int J Biol Macromol 2024; 266:131108. [PMID: 38531523 DOI: 10.1016/j.ijbiomac.2024.131108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 03/19/2024] [Accepted: 03/21/2024] [Indexed: 03/28/2024]
Abstract
Protein aggregation is a multifaceted phenomenon prevalent in the progression of neurodegenerative diseases, yielding aggregates of diverse sizes. Recently, increased attention has been directed towards early protein aggregates due to their pronounced toxicity, largely stemming from inflammation mediated by reactive oxygen species (ROS). This study advocates for a therapeutic approach focusing on inflammation control rather than mere ROS inhibition in the context of neurodegenerative disorders. Here, we introduced Camellia sinensis cellulose nanoonion (CS-CNO) as an innovative, biocompatible nanocarrier for encapsulating the phytosteroid diosgenin (DGN@CS-CNO). The resulting nano-assembly, manifesting as spherical entities with dimensions averaging ~180-220 nm, exhibits a remarkable capacity for the gradual and sustained release of approximately 39-44 % of DGN over a 60-hour time frame. DGN@CS-CNO displays a striking ability to inhibit or disassemble various phases of hen egg white lysozyme (HEWL) protein aggregates, including the early (HEWLEA) and late (HEWLLA) stages. In vitro experiments employing HEK293 cells underscore the potential of DGN@CS-CNO in mitigating cell death provoked by protein aggregation. This effect is achieved by ameliorating ROS-mediated inflammation and countering mitochondrial dysfunction, as evidenced by alterations in TNFα, TLR4, and MT-CO1 protein expression. Western blot analyses reveal that the gradual and sustained release of DGN from DGN@CS-CNO induces autophagy, a pivotal process in dismantling intracellular amyloid deposits. In summary, this study not only illuminates a path forward but also presents a compelling case for the utilization of phytosteroid as a formidable strategy against neuroinflammation incited by protein aggregation.
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Affiliation(s)
- Syed M S Abidi
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, H.P. 176061, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ashish K Shukla
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, H.P. 176061, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Shiwani Randhawa
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, H.P. 176061, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Manik Bathla
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, H.P. 176061, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Amitabha Acharya
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, H.P. 176061, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India.
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Dang S, Geng J, Wang R, Feng Y, Han Y, Gao R. Isolation of endophytes from Dioscorea nipponica Makino for stimulating diosgenin production and plant growth. Plant Cell Rep 2024; 43:95. [PMID: 38472393 DOI: 10.1007/s00299-024-03164-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/26/2024] [Indexed: 03/14/2024]
Abstract
KEY MESSAGE Both bacterial and fungal endophytes exhibited one or more plant growth-promoting (PGP) traits. Among these strains, the Paenibacillus peoriae SYbr421 strain demonstrated the greatest activity in the direct biotransformation of tuber powder from D. nipponica into diosgenin. Endophytes play crucial roles in shaping active metabolites within plants, significantly influencing both the quality and yield of host plants. Dioscorea nipponica Makino accumulates abundant steroidal saponins, which can be hydrolyzed to produce diosgenin. However, our understanding of the associated endophytes and their contributions to plant growth and diosgenin production is limited. The present study aimed to assess the PGP ability and potential of diosgenin biotransformation by endophytes isolates associated with D. nipponica for the efficient improvement of plant growth and development of a clean and effective approach for producing the valuable drug diosgenin. Eighteen bacterial endophytes were classified into six genera through sequencing and phylogenetic analysis of the 16S rDNA gene. Similarly, 12 fungal endophytes were categorized into 5 genera based on sequencing and phylogenetic analysis of the ITS rDNA gene. Pure culture experiments revealed that 30 isolated endophytic strains exhibited one or more PGP traits, such as nitrogen fixation, phosphate solubilization, siderophore synthesis, and IAA production. One strain of endophytic bacteria, P. peoriae SYbr421, effectively directly biotransformed the saponin components in D. nipponica. Moreover, a high yield of diosgenin (3.50%) was obtained at an inoculum size of 4% after 6 days of fermentation. Thus, SYbr421 could be used for a cleaner and more eco-friendly diosgenin production process. In addition, based on the assessment of growth-promoting isolates and seed germination results, the strains SYbr421, SYfr1321, and SYfl221 were selected for greenhouse experiments. The results revealed that the inoculation of these promising isolates significantly increased the plant height and fresh weight of the leaves and roots compared to the control plants. These findings underscore the importance of preparing PGP bioinoculants from selected isolates as an additional option for sustainable diosgenin production.
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Affiliation(s)
- Shangni Dang
- College of Forestry, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Jiang Geng
- Shanxi Province Cancer Hospital/Shanxi Hospital Affiliated to Cancer Hospital, Chinese Academy of Medical Sciences/Cancer Hospital Affiliated to Shanxi Medical University, Taiyuan, Shanxi, China
| | - Ran Wang
- College of Forestry, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Yumei Feng
- College of Forestry, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Youzhi Han
- College of Forestry, Shanxi Agricultural University, Taigu, Shanxi, China.
| | - Runmei Gao
- College of Forestry, Shanxi Agricultural University, Taigu, Shanxi, China.
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Yu X, Qiu Y, Li J, Zhang Y, Wang Q, Jin Z, Liu X, Pei X. Effects of trigonelline, diosgenin, and Cistanche deserticola polysaccharide on the culture of female germline stem cells in vitro. Nat Prod Res 2024:1-8. [PMID: 38427608 DOI: 10.1080/14786419.2024.2319661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 02/08/2024] [Indexed: 03/03/2024]
Abstract
Female germline stem cells (FGSCs) are renewable sources of oocytes that play an indispensable role in re-establishing mammal fertility. Here, we have established FGSCs from neonatal mice, which exhibit characteristics of germline stem cells. We show that compared with monomeric trigonelline and diosgenin, macromolecular compounds Cistanche deserticola polysaccharides (CDPs) in Chinese herbal medicine can enhance the ability of FGSCs to differentiate into oocytes at appropriate concentrations while maintaining self-renewal in vitro. In contrast, trigonelline and diosgenin inhibited the expression of germ cell-specific genes while reducing cell proliferation activity. In summary, CDPs could induce the differentiation and self-renewal of FGSCs in vitro. The comparison of the effects of the active components of different types of Chinese medicine will provide a reference for the development of clinical drugs in the future, and help to elucidate the development process of FGSCs.
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Affiliation(s)
- Xiaoli Yu
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, China
| | - Yikai Qiu
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, China
| | - Jinhua Li
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, China
| | - Yanping Zhang
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, China
| | - Qian Wang
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, China
| | - Zehua Jin
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, China
| | - Xinrui Liu
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, China
| | - Xiuying Pei
- Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, China
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Yan M, Zhao Y, Man S, Dai Y, Ma L, Gao W. Diosgenin as a substitute for cholesterol alleviates NAFLD by affecting CYP7A1 and NPC1L1-related pathway. Phytomedicine 2024; 125:155299. [PMID: 38301301 DOI: 10.1016/j.phymed.2023.155299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 12/08/2023] [Accepted: 12/17/2023] [Indexed: 02/03/2024]
Abstract
BACKGROUND Nonalcoholic fatty liver disease (NAFLD) rapidly becomes the leading cause of end-stage liver disease or liver transplantation. Nowadays, there has no approved drug for NAFLD treatment. Diosgenin as the structural analogue of cholesterol attenuates hypercholesterolemia by inhibiting cholesterol metabolism, which is an important pathogenesis in NAFLD progression. However, there has been no few report concerning its effects on NAFLD so far. METHODS Using a high-fat diet & 10% fructose-feeding mice, we evaluated the anti-NAFLD effects of diosgenin. Transcriptome sequencing, LC/MS analysis, molecular docking simulation, molecular dynamics simulations and Luci fluorescent reporter gene analysis were used to evaluate pathways related to cholesterol metabolism. RESULTS Diosgenin treatment ameliorated hepatic dysfunction and inhibited NAFLD formation including lipid accumulation, inflammation aggregation and fibrosis formation through regulating cholesterol metabolism. For the first time, diosgenin was structurally similar to cholesterol, down-regulated expression of CYP7A1 and regulated cholesterol metabolism in the liver (p < 0.01) and further affecting bile acids like CDCA, CA and TCA in the liver and feces. Besides, diosgenin decreased expression of NPC1L1 and suppressed cholesterol transport (p < 0.05). Molecular docking and molecular dynamics further proved that diosgenin was more strongly bound to CYP7A1. Luci fluorescent reporter gene analysis revealed that diosgenin concentration-dependently inhibited the enzymes activity of CYP7A1. CONCLUSION Our findings demonstrated that diosgenin was identified as a specific regulator of cholesterol metabolism, which pave way for the design of novel clinical therapeutic strategies.
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Affiliation(s)
- Mengyao Yan
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China.
| | - Yixin Zhao
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Shuli Man
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China.
| | - Yujie Dai
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Long Ma
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China
| | - Wenyuan Gao
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Weijin Road, Tianjin 300072, China
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10
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Rakshit S, More A, Gaikwad S, Seniya C, Gade A, Muley VY, Mukherjee A, Kamble K. Role of diosgenin extracted from Helicteres isora L in suppression of HIV-1 replication: An in vitro preclinical study. Heliyon 2024; 10:e24350. [PMID: 38288021 PMCID: PMC10823083 DOI: 10.1016/j.heliyon.2024.e24350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 11/23/2023] [Accepted: 01/08/2024] [Indexed: 01/31/2024] Open
Abstract
Background Diosgenin, an essential sapogenin steroid with significant biological implications, is composed of a hydrophilic sugar moiety intricately linked to a hydrophobic steroid aglycone. While the antiviral properties of diosgenin against numerous RNA viruses have been extensively documented, its potential in combating Human Immunodeficiency Virus infections remains unexplored. Experimental procedure This current investigation presents a comprehensive and systematic analysis of extracts derived from the leaves of Helicteres isora, which are notably enriched with diosgenin. Rigorous methodologies, including established chromatographic techniques and Fourier-transform infrared spectroscopy were employed for the characterization of the active diosgenin compound followed by molecular interaction analyses with the key HIV enzymes and mechanistic validation of HIV inhibition. Key results The inhibitory effects of extracted diosgenin on the replication of HIV-1 were demonstrated using a permissive cellular system, encompassing two distinct subtypes of HIV-1 strains. Computational analyses involving molecular interactions highlighted the substantial occupancy of critical active site pocket residues within the key HIV-1 proteins by diosgenin. Additionally, the mechanistic underpinnings of diosgenin activity in conjunction with standard controls were elucidated through specialized colorimetric assays, evaluating its impact on HIV-1 Reverse Transcriptase and Integrase enzymes. Conclusions To our current state of knowledge, this study represents the inaugural demonstration of the anti-HIV efficacy inherent to diosgenin found in the leaves of Helicteres isora, and can be taken further for drug design and development for the management of HIV infection.
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Affiliation(s)
- Smita Rakshit
- Department of Microbiology, Sant Gadge Baba Amravati University, Amravati, MH, India
| | - Ashwini More
- Division of Virology, ICMR-National AIDS Research Institute, Pune, MH, India
| | - Shraddha Gaikwad
- Division of Virology, ICMR-National AIDS Research Institute, Pune, MH, India
| | - Chandrabhan Seniya
- VIT Bhopal University, School of Biosciences, Engineering and Technology, Bhopal, MP, India
| | - Aniket Gade
- Department of Biotechnology, Sant Gadge Baba Amravati University, Amravati, MH, India
- Department of Biological Science and Biotechnology, Institute of Chemical Technology, Mumbai, MH, India
| | | | - Anupam Mukherjee
- Division of Virology, ICMR-National AIDS Research Institute, Pune, MH, India
| | - Kapil Kamble
- Department of Microbiology, Sant Gadge Baba Amravati University, Amravati, MH, India
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11
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Lin Y, Hu Q, Ye Q, Zhang H, Bao Z, Li Y, Mo LJ. Diosgenin biosynthesis pathway and its regulation in Dioscorea cirrhosa L. PeerJ 2024; 12:e16702. [PMID: 38282859 PMCID: PMC10812585 DOI: 10.7717/peerj.16702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 11/29/2023] [Indexed: 01/30/2024] Open
Abstract
Dioscorea cirrhosa L. (D. cirrhosa) tuber is a traditional medicinal plant that is abundant in various pharmacological substances. Although diosgenin is commonly found in many Dioscoreaceae plants, its presence in D. cirrhosa remained uncertain. To address this, HPLC-MS/MS analysis was conducted and 13 diosgenin metabolites were identified in D. cirrhosa tuber. Furthermore, we utilized transcriptome data to identify 21 key enzymes and 43 unigenes that are involved in diosgenin biosynthesis, leading to a proposed pathway for diosgenin biosynthesis in D. cirrhosa. A total of 3,365 unigenes belonging to 82 transcription factor (TF) families were annotated, including MYB, AP2/ERF, bZIP, bHLH, WRKY, NAC, C2H2, C3H, SNF2 and Aux/IAA. Correlation analysis revealed that 22 TFs are strongly associated with diosgenin biosynthesis genes (-r2- > 0.9, P < 0.05). Moreover, our analysis of the CYP450 gene family identified 206 CYP450 genes (CYP450s), with 40 being potential CYP450s. Gene phylogenetic analysis revealed that these CYP450s were associated with sterol C-22 hydroxylase, sterol-14-demethylase and amyrin oxidase in diosgenin biosynthesis. Our findings lay a foundation for future genetic engineering studies aimed at improving the biosynthesis of diosgenin compounds in plants.
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Affiliation(s)
- Yan Lin
- Dongguan Institute of Forestry Science, Dongguan, Guangdong, China
| | - Qiuyan Hu
- Dongguan Institute of Forestry Science, Dongguan, Guangdong, China
| | - Qiang Ye
- College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, Guangdong, China
| | - Haohua Zhang
- College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, Guangdong, China
| | - Ziyu Bao
- College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, Guangdong, China
| | - Yongping Li
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Horticulture, Hainan University, Haikou, Hainan, China
| | - Luo Jian Mo
- Dongguan Institute of Forestry Science, Dongguan, Guangdong, China
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12
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Xiang X, Xin X, Hou Y, Deng Y, Liu X, Yu W. Diosgenin alters LPS-induced macrophage polarization by activating PPARγ/NF-κB signaling pathway. Int Immunopharmacol 2024; 126:111270. [PMID: 38029551 DOI: 10.1016/j.intimp.2023.111270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 11/14/2023] [Accepted: 11/17/2023] [Indexed: 12/01/2023]
Abstract
Diosgenin (DG) is a steroidal saponin derived from plants, and it exhibits anti-inflammatory properties. In this study, we employed an in vitro model of P.g.-LPS-stimulated mouse macrophage cell line RAW264.7 to investigate the anti-inflammatory effects and mechanism of DG under the condition of altered polarization of macrophages. The RAW264.7 cells were subjected to pre-treatment with DG with or without P.g.-LPS. In cultured macrophages, DG inhibited P.g.-LPS-induced pro-inflammatory M1 macrophages, and increased anti-inflammatory M2 macrophages. Notably, DG reduced the expression of phosphorylation levels of NF-κB p65 and IκB while increasing the expression of PPARγ. Further studies revealed that PPARγ inhibitor GW9662 or PPARγ siRNA reversed the inhibitory effect of DG on M1 phenotype. Collectively, the anti-inflammatory mechanism of DG is related to altering macrophage polarization by activating PPARγ and inhibiting NF-κB signaling pathways.
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Affiliation(s)
- Xingchen Xiang
- Department of Periodontology, Hospital of Stomatology, Jilin University, Changchun, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Xirui Xin
- Department of Periodontology, Hospital of Stomatology, Jilin University, Changchun, China
| | - Yubo Hou
- Department of Periodontology, Hospital of Stomatology, Jilin University, Changchun, China
| | - Yu Deng
- Department of Periodontology, Hospital of Stomatology, Jilin University, Changchun, China
| | - Xinchan Liu
- Department of Oral Implantology, Hospital of Stomatology, Jilin University, Changchun, China.
| | - Weixian Yu
- Department of Periodontology, Hospital of Stomatology, Jilin University, Changchun, China; Department of Oral Geriatrics, Hospital of Stomatology, Jilin University, Changchun, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China.
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13
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Yousef EH, El-Mesery ME, Habeeb MR, Eissa LA. Diosgenin potentiates the anticancer effect of doxorubicin and volasertib via regulating polo-like kinase 1 and triggering apoptosis in hepatocellular carcinoma cells. Naunyn Schmiedebergs Arch Pharmacol 2024:10.1007/s00210-023-02894-8. [PMID: 38165424 DOI: 10.1007/s00210-023-02894-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Accepted: 12/05/2023] [Indexed: 01/03/2024]
Abstract
A common approach to cancer therapy is the combination of a natural product with chemotherapy to overcome sustained cell proliferation and chemotherapy resistance obstacles. Diosgenin (DG) is a phytosteroidal saponin that is naturally present in a vast number of plants and has been shown to exert anti-cancer activities against several tumor cells. Herein, we assessed the chemo-modulatory effects of DG on volasertib (Vola) as a polo-like kinase 1 (PLK1) inhibitor and doxorubicin (DOX) in hepatocellular carcinoma (HCC) cell lines. DOX and Vola were applied to two human HCC cell lines (HepG2 and Huh-7) alone or in combination with DG. The cell viability was determined, and gene expressions of PLK1, PCNA, P53, caspase-3, and PARP1 were evaluated by RT-qPCR. Moreover, apoptosis induction was determined by measuring active caspase-3 level using ELISA method. DG enhanced the anticancer effects of Vola and DOX. Moreover, DG enhanced Vola- and DOX-induced cell death by downregulating the expressions of PLK1 and PCNA, elevating the expressions of P53 and active caspase-3. DG showed promising chemo-modulatory effects to Vola and DOX against HCC that may be attributed partly to the downregulation of PLK1 and PCNA, upregulation of tumor suppressor protein P53, and apoptosis induction. Thus, DG combination with chemotherapy may be a promising treatment approach for HCC.
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Affiliation(s)
- Eman H Yousef
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
- Department of Biochemistry, Faculty of Pharmacy, Horus University-Egypt, Damietta, 34511, Egypt.
| | - Mohamed E El-Mesery
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Maha R Habeeb
- Department of Internal Medicine, Faculty of Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Laila A Eissa
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
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14
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Zaib S, Shah HS, Khan I, Jawad Z, Sarfraz M, Riaz H, Asjad HMM, Ishtiaq M, Ogaly HA, Othman G, Ahmed DAEM. Fabrication and evaluation of anticancer potential of diosgenin incorporated chitosan-silver nanoparticles; in vitro, in silico and in vivo studies. Int J Biol Macromol 2024; 254:127975. [PMID: 37944715 DOI: 10.1016/j.ijbiomac.2023.127975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/22/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023]
Abstract
The discovery of effective therapeutic approaches with minimum side effects and their tendency to completely eradicate the disease is the main challenge in the history of cancer treatment. Fenugreek (FGK) seeds are a rich source of phytochemicals, especially Diosgenin (DGN), which shows outstanding anticancer activities. In the present study, chitosan-silver nanoparticles (ChAgNPs) containing Diosgenin (DGN-ChAgNPs) were synthesized and evaluated for their anticancer activity against breast cancer cell line (MCF-7). For the physical characterization, the hydrodynamic diameter and zeta potential of DGN-ChAgNPs were determined to be 160.4 ± 12 nm and +37.19 ± 5.02 mV, respectively. Transmission electron microscopy (TEM) showed that nanoparticles shape was mostly round with smooth edges. Moreover, DGN was efficiently entrapped in nanoformulation with good entrapment efficacy (EE) of ~88 ± 4 %. The in vitro anti-proliferative activity of DGN-ChAgNPs was performed by sulforhodamine B (SRB) assay with promising inhibitory concentration of 6.902 ± 2.79 μg/mL. DAPI staining, comet assay and flow cytometry were performed to validate the anticancer potential of DGN-ChAgNPs both qualitatively and quantitatively. The percentage of survival rate and tumor reduction weight was evaluated in vivo in different groups of mice. Cisplatin was used as a standard anticancer drug. The DGN-ChAgNPs (12.5 mg/kg) treated group revealed higher percentage of survival rate and tumor reduction weight as compared to pure DGN treated group. These findings suggest that DGN-ChAgNPs could be developed as potential treatment therapy for breast cancer.
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Affiliation(s)
- Sumera Zaib
- Department of Basic and Applied Chemistry, Faculty of Science and Technology, University of Central Punjab, Lahore 54590, Pakistan.
| | - Hamid Saeed Shah
- Institute of Pharmaceutical Sciences, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan.
| | - Imtiaz Khan
- Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom.
| | - Zobia Jawad
- Ladywillingdon Hospital, King Edward Medical University, Lahore, Pakistan
| | - Muhammad Sarfraz
- College of Pharmacy, Al Ain University, Al Ain 64141, United Arab Emirates
| | - Huma Riaz
- Department of Basic and Applied Chemistry, Faculty of Science and Technology, University of Central Punjab, Lahore 54590, Pakistan
| | - Hafiz Muhammad Mazhar Asjad
- Department of Pharmaceutical Sciences, Faculty of Biomedical Sciences and Engineering, Pak-Austria Fachhochschule: Institute of Applied Sciences and Technology, Mang, Khanpur Road, Haripur, KPK, Pakistan
| | - Memoona Ishtiaq
- Leads College of Pharmacy, Lahore LEADS University, Lahore, Pakistan
| | - Hanan A Ogaly
- Chemistry Department, College of Science, King Khalid University, Abha 61421, Saudi Arabia
| | - Gehan Othman
- Biology Department, College of Science, King Khalid University, Abha 61421, Saudi Arabia
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15
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Guanghui L, Qi L, Anning G, Luting R, Yinghan Z, Weiyun G, Shenghua H, Fengyi G, Xiaoli P. Preparation, stability, and in vitro transport of soybean protein-based diosgenin nanoemulsions. Food Chem X 2023; 20:100982. [PMID: 38144861 PMCID: PMC10740035 DOI: 10.1016/j.fochx.2023.100982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 10/15/2023] [Accepted: 11/06/2023] [Indexed: 12/26/2023] Open
Abstract
Soybean protein isolate (SPI)-stabilized nanoemulsions (NEs) were formulated to encapsulate diosgenin (DIO) to enhance its water solubility and bioavailability. The influence of DIO concentrations on NEs' properties was investigated, and their environmental stability and cell permeability were also assessed. Results demonstrated that DIO significantly affected all the physicochemical properties of NEs. NEs with 1.0 mg/mL of DIO exhibited smaller droplet size (209 nm), lower polydispersity index (0.17), and higher stability coefficient (95.8 %). Furthermore, DIO-SPI NEs displayed better stability under appropriate pH (<4 or > 5), NaCl concentrations (≤0.3 M), temperatures (≤60 °C), and freeze-thaw cycles (≤2), as well as storage at 4 °C. Moreover, encapsulating DIO in NEs reduced its toxicity towards cells and enhanced its transport efficiency, which reached 3.16 ∼ 4.87 × 10-6. These findings highlight the potential of SPI-based NEs as a promising carrier for the efficient delivery of DIO.
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Affiliation(s)
- Li Guanghui
- Food and Pharmacy College, Xuchang University, Xuchang, Henan 461000, China
| | - Liu Qi
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Gao Anning
- College of Biology and Food, Shangqiu Normal University, Shangqiu, Henan 476000, China
| | - Ren Luting
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zhang Yinghan
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Guo Weiyun
- Food and Pharmacy College, Xuchang University, Xuchang, Henan 461000, China
| | - He Shenghua
- Food and Pharmacy College, Xuchang University, Xuchang, Henan 461000, China
| | - Gao Fengyi
- College of Biology and Food, Shangqiu Normal University, Shangqiu, Henan 476000, China
| | - Peng Xiaoli
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
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16
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Yatoo GN, Banday JA. Synthesis, antioxidant, antiproliferative activity, molecular docking and DFT studies of novel isoxazole derivatives of diosgenin, a steroidal sapogenin from Dioscorea deltoidea. Fitoterapia 2023; 170:105621. [PMID: 37524127 DOI: 10.1016/j.fitote.2023.105621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 07/22/2023] [Accepted: 07/24/2023] [Indexed: 08/02/2023]
Abstract
Diosgenin [25R-spirost-5-en-3β-ol], isolated from Dioscorea deltoidea was used as a starting material for synthesizing its various isoxazole derivatives. A library of fifteen isoxazole analogues (DG1-DG15) were synthesised via modification at the C-3 hydroxyl group. The resulting analogues were fully characterized by spectral techniques and evaluated for their antioxidant and anticancer activity against four breast cancer cell lines; MDA-MB-231, MDA-MB-468, MCF-7, and 4 T1, using MTT assay. Molecular docking studies were carried out for all analogues with EGFR protein (PDB id: 6LUD) to check their activity by inhibiting EGFR protein, which is an effective strategy for cancer cell death. Furthermore, DFT studies were carried out for four analogues. Among all analogues, compound DG6 and DG9 showed the highest scavenging activity and compound DG9 exhibited a maximum cytotoxic effect on the MDA-MB-468 and MCF-7 cell lines with an IC50 value of 6.25 μg/mL and 6.81 μg/mL, while compound DG5 was the least potent (IC50 25.89 μg/mL). Molecular docking results revealed that DG8 and DG9 afforded the highest binding energy of -14.33 and - 14.71 kcal/mol, respectively for the target EGFR protein. These results demonstrate the potential of diosgenin analogues as drug candidates for breast cancer therapy. Furthermore, DFT studies revealed that the molecules are more polarizable and have smaller energy gap between their HOMO and LUMO orbitals, the smallest being of DG9 (3.221 eV) and hence are more reactive.
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Affiliation(s)
- Gulam Nabi Yatoo
- Department of Chemistry, National Institute of Technology Srinagar, J & K, India.
| | - Javid Ahmad Banday
- Department of Chemistry, National Institute of Technology Srinagar, J & K, India.
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17
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Yoshioka Y, Oishi S, Onoda K, Shibata K, Miyoshi N. Diosgenin prevents dexamethasone-induced myotube atrophy in C2C12 cells. Arch Biochem Biophys 2023; 747:109759. [PMID: 37722527 DOI: 10.1016/j.abb.2023.109759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 09/13/2023] [Accepted: 09/15/2023] [Indexed: 09/20/2023]
Abstract
Several pathophysiological abnormalities, including a sedentary lifestyle, chronic diseases, and oxidative stress, can contribute to muscle atrophy triggered by an imbalance in muscle protein synthesis and degradation. Resolving muscle atrophy is a critical issue as it can reduce the quality of life. Here, one of the promising functional food factors, diosgenin (a steroidal sapogenin) showed strong preventive activities against dexamethasone (Dex)-induced muscle atrophy, as determined by the expression levels and morphology of the myosin heavy chain in C2C12 myotubes. Diosgenin inhibited protein expressions of Dex-induced skeletal muscle-specific ubiquitin ligase, including muscle RING finger 1 (MuRF1) and casitas B-lineage lymphoma protooncogene b (Cbl-b) but not atrogin-1. Diosgenin ameliorated Dex-induced declines of Akt phosphorylation at Ser473 and FoxO3a phosphorylation at Ser253, which probably at least partially contributed to the suppression of MuRF1, Cbl-b, and atrogin-1 gene expression. Additionally, diosgenin inhibited Dex-induced nuclear translocation of the glucocorticoid receptor (GR), diosgenin therefore may competitively inhibit the interaction between Dex and GR. These findings suggest that diosgenin is an effective functional food for preventing glucocorticoid-induced skeletal muscle atrophy.
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Affiliation(s)
- Yasukiyo Yoshioka
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Shiori Oishi
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Keita Onoda
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Katsumi Shibata
- Faculty of Clinical Nutrition and Dietetics, Konan Women's University, Kobe, Hyogo, 685-0001, Japan
| | - Noriyuki Miyoshi
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan.
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Chen S, Sun S, Feng Y, Li X, Yin G, Liang P, Yu W, Meng D, Zhang X, Liu H, Zhang F. Diosgenin attenuates nonalcoholic hepatic steatosis through the hepatic FXR-SHP-SREBP1C/PPARα/CD36 pathway. Eur J Pharmacol 2023; 952:175808. [PMID: 37263401 DOI: 10.1016/j.ejphar.2023.175808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/16/2023] [Accepted: 05/24/2023] [Indexed: 06/03/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common liver disease worldwide and has no approved treatment. The hepatic farnesoid X receptor (FXR) is one of the most promising therapeutic targets for NAFLD. Diosgenin (DG), a natural compound extracted from Chinese herbal medicine, is very effective in preventing metabolic diseases. Our research aims to determine the effects and molecular mechanisms of DG on NAFLD in vivo and in vitro. The effect of DG on hepatic steatosis was evaluated in Sprague‒Dawley (SD) rats induced by a high-fat diet (HFD) and in HepG2 cells exposed to free fatty acids (FFAs, sodium oleate:sodium palmitate = 2:1). DG treatment efficiently managed hepatic lipid deposition in vivo and in vitro. Mechanistically, DG upregulated the expression of FXR and small heterodimer partner (SHP) and downregulated the expression of genes involved in hepatic de novo lipogenesis (DNL), including sterol regulatory element-binding protein 1C (SREBP1C), acetyl-CoA carboxylase 1 (ACC1), and fatty acid synthase (FASN). Moreover, DG promoted the expression of peroxisome proliferator-activated receptor alpha (PPARα), which is related to fatty acid oxidation. In addition, DG inhibited the expression of the CD36 molecule (CD36) related to fatty acid uptake. However, hepatic FXR silencing weakened the regulatory effects of DG on these genes. Collectively, our data show that DG has a good effect on alleviating nonalcoholic hepatic steatosis via the hepatic FXR-SHP-SREBP1C/PPARα/CD36 pathway. DG promises to be a novel candidate FXR activator that can be utilized to treat NAFLD.
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Affiliation(s)
- Suwen Chen
- Shandong University of Traditional Chinese Medicine, Jinan, 250013, China
| | - Shangwen Sun
- Department of Cardiology, Qilu Hospital of Shandong University, Jinan, 250012, Shandong, China
| | - Yanan Feng
- Shandong University of Traditional Chinese Medicine, Jinan, 250013, China
| | - Xiu Li
- Department of Endocrinology, Affiliated Linshu County People's Hospital, Linyi, 276799, China
| | - Guoliang Yin
- Shandong University of Traditional Chinese Medicine, Jinan, 250013, China
| | - Pengpeng Liang
- Shandong University of Traditional Chinese Medicine, Jinan, 250013, China
| | - Wenfei Yu
- Shandong University of Traditional Chinese Medicine, Jinan, 250013, China
| | - Decheng Meng
- Shandong University of Traditional Chinese Medicine, Jinan, 250013, China
| | - Xin Zhang
- Shandong University of Traditional Chinese Medicine, Jinan, 250013, China
| | - Hongshuai Liu
- Shandong University of Traditional Chinese Medicine, Jinan, 250013, China
| | - Fengxia Zhang
- Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250013, China.
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Shen W, Shao W, Wang Q, Wang B, Zhao G, Gu A, Jiang Z, Hu H. Dietary diosgenin transcriptionally down-regulated intestinal NPC1L1 expression to prevent cholesterol gallstone formation in mice. J Biomed Sci 2023; 30:44. [PMID: 37370162 DOI: 10.1186/s12929-023-00933-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND Cholesterol gallstone disease is a common disease. Reducing cholesterol burden is important to prevent/treat gallstone. In this study, we investigated the application of diosgenin (DG) to prevent the formation of gallstone in mice. METHODS Adult male C57BL/6J mice were fed with the lithogenic diet (LD) only or LD supplemented with DG or ezetimibe for 8 weeks. Incidences of gallstone formation were documented. Intestine and liver tissues were collected to measure the lipid contents and expression of genes in cholesterol metabolism. Caco2 cells were treated with DG to monitor the regulation on cholesterol absorption and the transcriptional regulation of Npc1l1 gene. Changes of gut microbiota by DG was analyzed. Intraperitoneal injection of LPS on mice was performed to verify its effects on STAT3 activation and Npc1l1 expression in the small intestine. RESULTS LD led to 100% formation of gallstones in mice. In comparison, dietary DG or ezetimibe supplementary completely prevents gallstones formation. DG inhibited intestinal cholesterol absorption in mice as well as in Caco2 cells by down-regulation of Npc1l1 expression. DG could directly inhibit phosphorylation of STAT3 and its transcriptional regulation of Npc1l1 expression. Furthermore, DG could modulate gut microbiota profiles and LPS mediated STAT3 activation and Npc1l1 expression. CONCLUSION Our results demonstrated that dietary DG could inhibit intestinal cholesterol absorption through decreasing NPC1L1 expression to prevent cholesterol gallstone formation.
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Affiliation(s)
- Weiyi Shen
- Center of Gallstone Disease, Shanghai East Hospital, and Institution of Gallstone Disease, School of Medicine, Tongji University, Shanghai, China
| | - Wentao Shao
- Center of Gallstone Disease, Shanghai East Hospital, and Institution of Gallstone Disease, School of Medicine, Tongji University, Shanghai, China
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China
- Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Qihan Wang
- Center of Gallstone Disease, Shanghai East Hospital, and Institution of Gallstone Disease, School of Medicine, Tongji University, Shanghai, China
| | - Bo Wang
- Center of Gallstone Disease, Shanghai East Hospital, and Institution of Gallstone Disease, School of Medicine, Tongji University, Shanghai, China
| | - Gang Zhao
- Center of Gallstone Disease, Shanghai East Hospital, and Institution of Gallstone Disease, School of Medicine, Tongji University, Shanghai, China
| | - Aihua Gu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China.
- Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Zhaoyan Jiang
- Center of Gallstone Disease, Shanghai East Hospital, and Institution of Gallstone Disease, School of Medicine, Tongji University, Shanghai, China.
| | - Hai Hu
- Center of Gallstone Disease, Shanghai East Hospital, and Institution of Gallstone Disease, School of Medicine, Tongji University, Shanghai, China.
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Chen MYC, Tsai BCK, Kuo WW, Kuo CH, Lin YM, Hsieh DJY, Pai PY, Liao SC, Huang SE, Lee SD, Huang CY. Diosgenin Attenuates Myocardial Cell Apoptosis Triggered by Oxidative Stress through Estrogen Receptor to Activate the PI3K/Akt and ERK Axes. Am J Chin Med 2023:1-22. [PMID: 37335210 DOI: 10.1142/s0192415x23500556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
Cardiovascular diseases in post-menopausal women are on a rise. Oxidative stress is the main contributing factor to the etiology and pathogenesis of cardiovascular diseases. Diosgenin, a member of steroidal sapogenin, is structurally similar to estrogen and has been shown to have antioxidant effects. Therefore, we aimed to investigate the effects of diosgenin in preventing oxidation-induced cardiomyocyte apoptosis and assessed its potential as a substitute substance for estrogen in post-menopausal women. Apoptotic pathways and mitochondrial membrane potential were measured in H9c2 cardiomyoblast cells and neonatal cardiomyocytes treated with diosgenin for 1[Formula: see text]h prior to hydrogen peroxide (H2O2) stimulation. H2O2-stimulated H9c2 cardiomyoblast cells displayed cytotoxicity and apoptosis via the activation of both Fas-dependent and mitochondria-dependent pathways. Additionally, it led to the instability of the mitochondrial membrane potential. However, the H2O2-induced H9c2 cell apoptosis was rescued by diosgenin through IGF1 survival pathway activation. This led to the recovery of the mitochondrial membrane potential by suppressing the Fas-dependent and mitochondria-dependent apoptosis. Diosgenin also inhibited H2O2-induced cytotoxicity and apoptosis through the estrogen receptor interaction with PI3K/Akt and extracellular regulated protein kinases 1/2 activation in myocardial cells. In this study, we confirmed that diosgenin attenuated H2O2-induced cytotoxicity and apoptosis through estrogen receptors-activated phosphorylation of PI3K/Akt and ERK signaling pathways in myocardial cells via estrogen receptor interaction. All results suggest that H2O2-induced myocardial damage is reduced by diosgenin due to its interaction with estrogen receptors to decrease the damage. Herein, we conclude that diosgenin might be a potential substitute substance for estrogen in post-menopausal women to prevent heart diseases.
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Affiliation(s)
- Michael Yu-Chih Chen
- Department of Cardiology, Buddhist Tzu Chi General Hospital, Hualien 970, Taiwan
- School of Medicine, Tzu Chi University, Hualien 970, Taiwan
| | - Bruce Chi-Kang Tsai
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan
| | - Wei-Wen Kuo
- Department of Biological Science and Technology, China Medical University, Taichung 404, Taiwan
- Ph.D. Program for Biotechnology Industry, China Medical University, Taichung 404, Taiwan
| | - Chia-Hua Kuo
- School of Medicine, College of Medicine, China Medical University, Taichung 404, Taiwan
| | - Yueh-Min Lin
- Department of Medical Technology, Jen-Teh Junior College of Medicine, Nursing and Management, Miaoli 356, Taiwan
- Department of Pathology, Changhua Christian Hospital, Changhua 500, Taiwan
| | - Dennis Jine-Yuan Hsieh
- School of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung 402, Taiwan
- Clinical Laboratory, Chung Shan Medical University Hospital, 402 Taichung, Taiwan
| | - Pei-Ying Pai
- Laboratory of Exercise Biochemistry, University of Taipei, Taipei 111, Taiwan
- Division of Cardiovascular Medicine, Department of Medicine, China Medical University Hospital, Taichung 404, Taiwan
| | - Shih-Chieh Liao
- Department of Social Medicine, School of Medicine, China Medical University, Taichung 404, Taiwan
| | - Shang-En Huang
- Graduate Institute of Chinese Medical Science, China Medical University, Taichung 404, Taiwan
| | - Shin-Da Lee
- Department of Physical Therapy, Graduate Institute of Rehabilitation Science, China Medical University, Taichung 404, Taiwan
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P. R. China
- School of Rehabilitation Medicine, Weifang Medical University, Shandong 261053, P. R. China
- Department of Physical Therapy, Asia University, Taichung 413, Taiwan
| | - Chih-Yang Huang
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan
- Graduate Institute of Medical Science, China Medical University, Taichung 404, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
- Department of Medical Laboratory Science and Biotechnology, Asia University, Taichung 413, Taiwan
- Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien 970, Taiwan
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21
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Javed M, Saleem A, Akhtar MF. Diosgenin, a steroidal sapogenin, arrests arthritis through modulation of inflammatory cytokines and oxidative stress biomarkers in Wistar rats. Inflammopharmacology 2023:10.1007/s10787-023-01244-7. [PMID: 37188832 DOI: 10.1007/s10787-023-01244-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 05/02/2023] [Indexed: 05/17/2023]
Abstract
Diosgenin (DGN) is a well-known steroidal sapogenin that is obtained from the hydrolysis of dioscin. The current research aimed to explore the anti-inflammatory and anti-arthritic potential of DGN alone and in combination with methotrexate (MTX). The in-vitro antioxidant, and anti-arthritic potential was assessed by protein denaturation and Human red blood cell membrane stabilization assays. The in-vivo anti-inflammatory effect was examined by carrageenan-induced paw edema and xylene-induced ear edema methods. The arthritis was induced in Wistar rats by inoculation of 0.1 ml Complete Freund's adjuvant in the left hind paw at day 1. The arthritic animals received MTX 1 mg/kg as standard, DGN at 5, 10, 20 mg/kg, and a combination treatment (DGN 20 mg/kg + MTX) was administered orally from 8 to 28th day while normal and disease control received normal saline. DGN at 1600 μg/ml exhibited the highest in-vitro activities in contrast to other tested concentrations. DGN at 20 mg/kg exhibited the maximum (p < 0.05-0.0001) inhibition of inflammation in carrageenan and xyleneinduced edema models. Treatment with DGN and MTX alone and in combination significantly reduced the paw diameter, body weight, arthritic index, and pain. It restored altered blood parameters and oxidative stress biomarkers in contrast to the diseased control rats. DGN profoundly (P < 0.0001) downregulated mRNA expression of TNF-α, IL-1β, NF-ĸβ, and COX-2 while upregulated IL-4 and -10 in treated rats. The combination of DGN with MTX showed the highest therapeutic efficacy than individual therapy, so it can be used as an adjunct for rheumatoid arthritis treatment.
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Affiliation(s)
- Maira Javed
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Ammara Saleem
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan.
| | - Muhammad Furqan Akhtar
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore Campus, Lahore, 54000, Pakistan.
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Zhang X, Zhang Y, Guo Y, Xue P, Xue Z, Zhang Y, Zhang H, Ito Y, Dou J, Guo Z. Research progress of diosgenin extraction from Dioscorea zingiberensis C. H. Wright: Inspiration of novel method with environmental protection and efficient characteristics. Steroids 2023; 192:109181. [PMID: 36642106 DOI: 10.1016/j.steroids.2023.109181] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/09/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023]
Abstract
Diosgenin was the starting materials to synthesize various hormone drugs and mainly generated from Dioscorea zingiberensis C. H. Wright by acidolysis, enzymolysis, microbiological fermentation, and integrated manner. Only acidic hydrolysis with strong acid such as hydrochloric acid or sulfuric acid was used in practice in diosgenin enterprises due to their feasibility and simplicity, nevertheless finally resulting in a great deal of unmanageable wastewater and severely polluted the surrounding environment. Aiming to provide a comprehensive and up-to date information of researches on diosgenin production from this plant, 151 cases were collected from scientific databases including Web of Science, Pubmed, Science Direct, Wiley, Springer, and China Knowledge Resource Integrated (CNKI). Their advantages and disadvantages with different production methods were analyzed based on these available data in this review paper. Considering the fact that nearly all of diosgenin enterprises were closed for the environmental protection and the life health of the people, this review paper was beneficial for providing useful guidelines to develop novel technologies with environmentally-friendly and cleaner features for diosgenin production or facilitate the transformation of other methods like enzymolysis, microbiological fermentation, or integrated methods from laboratory scale to industry scale.
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Affiliation(s)
- Xinxin Zhang
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yu Zhang
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yuting Guo
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Peiyun Xue
- Shaanxi Academy of Traditional Chinese Medicine, Xi'an, Shaanxi, China
| | - Zhaowei Xue
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yan Zhang
- Xi'an Medical University, Xi'an, Shaanxi, China
| | - Hong Zhang
- Shaanxi Academy of Traditional Chinese Medicine, Xi'an, Shaanxi, China
| | - Yoichiro Ito
- Laboratory of Bio-separation Technologies, Biochemistry and Biophysics Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Jianwei Dou
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Zengjun Guo
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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Ondevilla JC, Hanashima S, Mukogawa A, Miyazato DG, Umegawa Y, Murata M. Effect of the number of sugar units on the interaction between diosgenyl saponin and membrane lipids. Biochim Biophys Acta Biomembr 2023; 1865:184145. [PMID: 36914020 DOI: 10.1016/j.bbamem.2023.184145] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 03/01/2023] [Accepted: 03/01/2023] [Indexed: 03/15/2023]
Abstract
Saponin is the main bioactive component of the Dioscorea species, which are traditionally used for treating chronic diseases. An understanding of the interaction process of bioactive saponins with biomembranes provides insights into their development as therapeutic agents. The biological effects of saponins have been thought to be associated with membrane cholesterol (Chol). To shed light on the exact mechanisms of their interactions, we investigated the effects of diosgenyl saponins trillin (TRL) and dioscin (DSN) on the dynamic behavior of lipids and membrane properties in palmitoyloleolylphosphatidylcholine (POPC) bilayers using solid-state NMR and fluorescence spectroscopy. The membrane effects of diosgenin, a sapogenin of TRL and DSN, are similar to those of Chol, suggesting that diosgenin plays a major role in membrane binding and POPC chain ordering. The amphiphilicity of TRL and DSN enabled them to interact with POPC bilayers, regardless of Chol. In the presence of Chol, the sugar residues more prominently influenced the membrane-disrupting effects of saponins. The activity of DSN, which bears three sugar units, led to perturbation and further disruption of the membrane in the presence of Chol. However, TRL, which bears one sugar residue, increased the ordering of POPC chains while maintaining the integrity of the bilayer. This effect on the phospholipid bilayers is similar to that of cholesteryl glucoside. The influence of the number of sugars in saponin is discussed in more detail.
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Affiliation(s)
- Joan Candice Ondevilla
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan; Department of Chemistry, De La Salle University, 2401 Taft Avenue, Manila 0922, Philippines
| | - Shinya Hanashima
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan; Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, 4-101 Koyama-cho Minami, Tottori 680-8552, Japan.
| | - Akane Mukogawa
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Darcy Garza Miyazato
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Yuichi Umegawa
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan; Forefront Research Centre for Fundamental Science, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan
| | - Michio Murata
- Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan; Forefront Research Centre for Fundamental Science, Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan.
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24
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Arya P, Kumar P. Production of encapsulated (25R)-Spirost-5-en-3β-ol powder with composite coating material and its characterization. Steroids 2023; 194:109218. [PMID: 36893828 DOI: 10.1016/j.steroids.2023.109218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/22/2023] [Accepted: 03/03/2023] [Indexed: 03/09/2023]
Abstract
The potential of the (25R)-Spirost-5-en-3β-ol (diosgenin) is underutilized due to its astringent mouthfeel and aftertaste. To make the consumption more, this research rivets over the use of suitable techniques for encapsulating the diosgenin to use its health benefits for preventing the health disorders. The (25R)-Spirost-5-en-3β-ol(diosgenin) is gaining popularity in the food market by proving its potential health benefits. This study rivets over the encapsulation of diosgenin due to its high bitter taste which restricts its incorporation in functional foods. Maltodextrin and whey protein concentrates were used as the carrier for encapsulating diosgenin at varying concentrations from 0.1 to 0.5 % and evaluated for powder properties. The optimal conditions were obtained based on the most suited data ranged from the selected properties for the powder. The spray dried 0.3% diosgenin powder produced most suitable properties for powder recovery, encapsulation efficiency, moisture content, water activity, hygroscopicity, and particle size as 51.69-72.18%, 54.51-83.46%, 1.86-3.73%, 0.38-0.51, 10.55-14.08% and 40.38-88.02 μm respectively. The significance of this study relies on the more and better utilization of the fenugreek diosgenin in edible form by masking the bitterness. After encapsulation the spray dried diosgenin is more accessible in powder format with edible maltodextrin and whey protein concentrate. The spray dried diosgenin powder could be a potential agent that fulfils nutritional demands along with protection from some chronic health perturb.
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Affiliation(s)
- Prajya Arya
- Department of Food Engineering and Technology, Sant Longowal Institute of Engineering and Technology, Longowal, Punjab 148106, India.
| | - Pradyuman Kumar
- Department of Food Engineering and Technology, Sant Longowal Institute of Engineering and Technology, Longowal, Punjab 148106, India
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25
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Peng Y, Tang R, Ding L, Zheng R, Liu Y, Yin L, Fu Y, Deng T, Li X. Diosgenin inhibits prostate cancer progression by inducing UHRF1 protein degradation. Eur J Pharmacol 2023; 942:175522. [PMID: 36681316 DOI: 10.1016/j.ejphar.2023.175522] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 12/25/2022] [Accepted: 01/18/2023] [Indexed: 01/20/2023]
Abstract
Prostate cancer (PCa) represents the second cause of cancer death in adult men. Aberrant overexpression of UHRF1 has been reported in several cancer types, and is regarded as a novel drug target for cancer therapy. Nevertheless, no UHRF1-targeted small molecule inhibitor has been testing in clinical trials. Traditional Chinese medicine (TCM) prescriptions have a long history for the treatment of PCa in China, and Chinese herbal extracts are important resources for new drug discovery. In the present study, we first screened the potentially effective components from the commonly used TCMs for PCa treatment in clinic by using network pharmacology together with molecular docking. We identified diosgenin (DSG) as a small molecule natural compound specifically targeting UHRF1 protein. Furthermore, we validated the results by using the wet lab experiments. DSG, by directly binding UHRF1 protein, induced UHRF1 protein degradation through the ubiquitin-proteasome pathway. Importantly, DSG induced UHRF1 protein degradation by reducing the protein interaction with a deubiquitinase USP7. DSG reduced the level of genomic DNA methylation, and elevated the expression of such tumor suppressor genes as p21, p16 and LXN, thereby resulting in cell cycle arrest, cellular senescence and the inhibition of xenograft tumor growth. We here presented the first report that DSG specifically induced UHRF1 protein degradation, thereby revealing a novel anticancer mechanism of DSG. Altogether, this present study provided a promising strategy to discover new molecule-targeted drugs from small-molecule natural products.
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Affiliation(s)
- Yuchong Peng
- Key Laboratory of Clinical Precision Pharmacy of Guangdong Higher Education Institutes, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; NMPA Key Laboratory for Technology Research and Evaluation of Pharmacovigilance, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510006, China
| | - Rong Tang
- Key Laboratory of Clinical Precision Pharmacy of Guangdong Higher Education Institutes, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; NMPA Key Laboratory for Technology Research and Evaluation of Pharmacovigilance, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510006, China
| | - Liuyang Ding
- Key Laboratory of Clinical Precision Pharmacy of Guangdong Higher Education Institutes, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; NMPA Key Laboratory for Technology Research and Evaluation of Pharmacovigilance, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510006, China
| | - Rirong Zheng
- Key Laboratory of Clinical Precision Pharmacy of Guangdong Higher Education Institutes, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; NMPA Key Laboratory for Technology Research and Evaluation of Pharmacovigilance, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510006, China
| | - Youhong Liu
- Department of Oncology, Center for Molecular Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China; Hunan Key Laboratory of Molecular Radiation Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Linglong Yin
- Key Laboratory of Clinical Precision Pharmacy of Guangdong Higher Education Institutes, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; NMPA Key Laboratory for Technology Research and Evaluation of Pharmacovigilance, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510006, China; School of Clinical Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510006, China
| | - Yongming Fu
- Key Laboratory of Clinical Precision Pharmacy of Guangdong Higher Education Institutes, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; NMPA Key Laboratory for Technology Research and Evaluation of Pharmacovigilance, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510006, China
| | - Tanggang Deng
- Key Laboratory of Clinical Precision Pharmacy of Guangdong Higher Education Institutes, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; NMPA Key Laboratory for Technology Research and Evaluation of Pharmacovigilance, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510006, China
| | - Xiong Li
- Key Laboratory of Clinical Precision Pharmacy of Guangdong Higher Education Institutes, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; Key Specialty of Clinical Pharmacy, The First Affiliated Hospital, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510699, China; NMPA Key Laboratory for Technology Research and Evaluation of Pharmacovigilance, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510006, China; School of Clinical Pharmacy, Guangdong Pharmaceutical University, Guangzhou, Guangdong, 510006, China.
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Yin X, Liu J, Kou C, Lu J, Zhang H, Song W, Li Y, Xue Z, Hua X. Deciphering the network of cholesterol biosynthesis in Paris polyphylla laid a base for efficient diosgenin production in plant chassis. Metab Eng 2023; 76:232-246. [PMID: 36849090 DOI: 10.1016/j.ymben.2023.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 01/20/2023] [Accepted: 02/19/2023] [Indexed: 02/27/2023]
Abstract
Cholesterol serves as a key precursor for many high-value chemicals such as plant-derived steroidal saponins and steroidal alkaloids, but a plant chassis for effective biosynthesis of high levels of cholesterol has not been established. Plant chassis have significant advantages over microbial chassis in terms of membrane protein expression, precursor supply, product tolerance, and regionalization synthesis. Here, using Agrobacterium tumefaciens-mediated transient expression technology, Nicotiana benthamiana, and a step-by-step screening approach, we identified nine enzymes (SSR1-3, SMO1-3, CPI-5, CYP51G, SMO2-2, C14-R-2, 8,7SI-4, C5-SD1, and 7-DR1-1) from the medicinal plant Paris polyphylla and established detailed biosynthetic routes from cycloartenol to cholesterol. Specfically, we optimized HMGR, a key gene of the mevalonate pathway, and co-expressed it with the PpOSC1 gene to achieve a high level of cycloartenol (28.79 mg/g dry weight, which is a sufficient amount of precursor for cholesterol biosynthesis) synthesis in the leaves of N. benthamiana. Subsequently, using a one-by-one elimination method we found that six of these enzymes (SSR1-3, SMO1-3, CPI-5, CYP51G, SMO2-2, and C5-SD1) were crucial for cholesterol production in N. benthamiana, and we establihed a high-efficiency cholesterol synthesis system with a yield of 5.63 mg/g dry weight. Using this strategy, we also discovered the biosynthetic metabolic network responsible for the synthesis of a common aglycon of steroidal saponin, diosgenin, using cholesterol as a substrate, obtaining a yield of 2.12 mg/g dry weight in N. benthamiana. Our study provides an effective strategy to characterize the metabolic pathways of medicinal plants that lack a system for in vivo functional verification, and also lays a foundation for the synthesis of active steroid saponins in plant chassis.
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Affiliation(s)
- Xue Yin
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - Jia Liu
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - Chengxi Kou
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - Jiaojiao Lu
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - He Zhang
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - Wei Song
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China; Heilongjiang Key Laboratory of Plant Bioactive Substance Biosynthesis and Utilization, Northeast Forestry University, Harbin, China.
| | - Yuhua Li
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China; Heilongjiang Key Laboratory of Plant Bioactive Substance Biosynthesis and Utilization, Northeast Forestry University, Harbin, China.
| | - Zheyong Xue
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China; Heilongjiang Key Laboratory of Plant Bioactive Substance Biosynthesis and Utilization, Northeast Forestry University, Harbin, China.
| | - Xin Hua
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China; Heilongjiang Key Laboratory of Plant Bioactive Substance Biosynthesis and Utilization, Northeast Forestry University, Harbin, China.
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27
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Nie K, Gao Y, Chen S, Wang Z, Wang H, Tang Y, Su H, Lu F, Dong H, Fang K. Diosgenin attenuates non-alcoholic fatty liver disease in type 2 diabetes through regulating SIRT6-related fatty acid uptake. Phytomedicine 2023; 111:154661. [PMID: 36682299 DOI: 10.1016/j.phymed.2023.154661] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 01/01/2023] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND More than 70% of patients with type 2 diabetes (T2DM) concomitantly suffer from Non-alcoholic fatty liver disease (NAFLD), and the coexistence and interaction of them increases the intractability of NAFLD. With the protective effect against hepatic steatosis and liver fibrosis, SIRT6 is becoming a notable target of NAFLD. Diosgenin, an active monomer from Chinese herbs, has been reported to protect against NAFLD. PURPOSE This study aims to figure out the mechanism how diosgenin alleviate NAFLD in T2DM and the relationship with SIRT6. METHODS In vivo studies used spontaneous diabetic db/db mice and divided them into two parts. The first part included four groups consisting of control (Con) group, model (Mod) group, low dose of diosgenin (DL) group and high dose of diosgenin (DH) group. The second part included four groups consisting of Con group, Mod group, DH+OSS (OSS_128167, inhibitor of SIRT6) group, MDL (MDL800, agonist of SIRT6) group. HepG2 cell line was selected in study in vitro, which was mainly composed of six groups including Con group, palmitic acid (PA) group, PA+DL group, PA+DH group, PA+DH+OSS group, PA+MDL group. OGTT, Biochemical biomarker (including TG, TC, AST, ALT), inflammatory biomarker (including IL-6 and TNF-α) were measured. HE, Oil Red O, and DHE staining were conducted. Immunohistochemistry, immunofluorescence, mRNA-seq, and qPCR were used to explore the mechanism. RESULTS Results in the first part of study in vivo indicated that diosgenin protected against lipid accumulation, oxidative stress, cell injury, and light inflammatory of liver in db/db mice and regulated the expression of SIRT6 and fatty acid transporter including CD36, FATP2, FABP1. The effect of diosgenin could be reversed in DH+OSS group and the same effect was observed in MDL group in the second part of study in vivo. The same results were also noted in followed study in vitro. Diosgenin inhibited the fatty acids uptake and regulated the expression of SIRT6 and fatty acid transporter including CD36, FATP2, and FABP1 in PA-induced hepG2 cells, and which was reversed in DH+OSS group and resembled in MDL group. CONCLUSIONS Diosgenin could attenuate non-alcoholic fatty liver disease in type 2 diabetes through regulating SIRT6-related fatty acid uptake.
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Affiliation(s)
- Kexin Nie
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yang Gao
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Shen Chen
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Zhi Wang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Hongzhan Wang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yueheng Tang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Hao Su
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Fuer Lu
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Hui Dong
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
| | - Ke Fang
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
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Mironov ME, Rybalova TV, Pokrovskii MA, Emaminia F, Gandalipov ER, Pokrovskii AG, Shults EE. Synthesis of fully functionalized spirostanic 1,2,3-triazoles by the three component reaction of diosgenin azides with acetophenones and aryl aldehydes and their biological evaluation as antiproliferative agents. Steroids 2023; 190:109133. [PMID: 36328088 DOI: 10.1016/j.steroids.2022.109133] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/16/2022] [Accepted: 10/23/2022] [Indexed: 11/05/2022]
Abstract
Diosgenin is of significant interest due to its biological activity and synthetic application. In this study, we report the synthesis of a series of spirostanic 1,4,5-trisubstituted 1,2,3-triazoles by the three component reaction of (25R)-6-azidospirostan-3,5-diols with acetophenones and aryl aldehydes. The one-pot two step synthesis proceeds through the in situ formation of (E)-chalcones and copper catalyzed reaction with organic azides in DMF medium. Structural diversity was achieved by varying the aldehyde and acetophenone nature as well as the spirostanic azide stereochemistry. The results of in vitro biological assays showed that fully decorated spirostanic 1,2,3-triazoles exerted significant and selective antiproliferative activity against MCF-7, glioblastoma (SNB-19, T98G, A-172) and neuroblastoma (IMR-32, SH-SYSY) (HCT116) cell lines (GI50 in the single-digit micromolar range). The data revealed that benzoyl and aryl substitutions in the triazole ring introduced at the 6β-position significantly improved the anti-tumor activity of (25R)-6-azidospirostan-3β,5α-diols. This position on the spirostan core may be the favourable to synthesize of potent anticancer leads from diosgenin.
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Affiliation(s)
- Maksim E Mironov
- Laboratory of Medicinal Chemistry, Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, Lavrentyev Ave, 9, Novosibirsk 630090, Russian Federation; Novosibirsk State University, Pirogova Str. 2, Novosibirsk 630090, Russian Federation
| | - Tatyana V Rybalova
- Laboratory of Medicinal Chemistry, Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, Lavrentyev Ave, 9, Novosibirsk 630090, Russian Federation
| | - Mikhail A Pokrovskii
- Novosibirsk State University, Pirogova Str. 2, Novosibirsk 630090, Russian Federation
| | - Fatemeh Emaminia
- Novosibirsk State University, Pirogova Str. 2, Novosibirsk 630090, Russian Federation
| | - Erik R Gandalipov
- International Institute of Solution Chemistry and Advanced Materials Technologies, ITMO University, 9 Lomonosov Street, 191002, Saint-Petersburg, Russian Federation
| | - Andrey G Pokrovskii
- Novosibirsk State University, Pirogova Str. 2, Novosibirsk 630090, Russian Federation
| | - Elvira E Shults
- Laboratory of Medicinal Chemistry, Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, Lavrentyev Ave, 9, Novosibirsk 630090, Russian Federation.
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Cui JJ, Huang ZY, Xie YH, Wu JB, Xu GH, Li CF, Zhang MM, Yi LT. Gut microbiota mediated inflammation, neuroendocrine and neurotrophic functions involved in the antidepressant-like effects of diosgenin in chronic restraint stress. J Affect Disord 2023; 321:242-252. [PMID: 36349650 DOI: 10.1016/j.jad.2022.10.045] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 10/20/2022] [Accepted: 10/22/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Diosgenin is a well-known steroid saponin possessing neuroprotective activities. However, it is unknown whether diosgenin could alleviate depression-like symptoms. METHODS The antidepressant-like effect of diosgenin was investigated in mice induced by chronic restraint stress. The effects of diosgenin on behaviors, inflammation, neuroendocrine, neurotrophic function, and gut microbiota were evaluated. RESULTS The results showed that diosgenin alleviated the depressive-like behaviors in mice. In addition, diosgenin was found to reduce serum concentrations of proinflammatory cytokines and the activity of the hypothalamic-pituitary-adrenal (HPA) axis. Besides, diosgenin could activate hippocampal brain-derived neurotrophic factor (BDNF)/TrkB/ERK/CREB signaling pathway and improve the expression of postsynaptic protein PSD95. Meanwhile, the neurogenesis which was inhibited by chronic restraint stress, was totally reversed by diosgenin. Moreover, diosgenin increased the abundance of phylum Firmicutes and the genus Lactobacillus in stressed mice. The results further showed that diosgenin caused a strong correlation between gut microbiota composition and inflammation, the HPA axis activity, or hippocampus neurotrophic function. LIMITATIONS Only male mice were used for evaluation in the present study, which limits the understanding of effects of diosgenin on the both sexes. In addition, the results only indicate microbiota at the phylum or genus mediate the regulation of neuroinflammation, neuroendocrine, and neurotrophic function, but does not elucidate how microbiota modulate the systems via their primary or secondary metabolites. CONCLUSIONS The present study shows that diosgenin exerts the antidepressant activity, which is associated with the enhancement of neurotrophic function and the inhibition of inflammatory and neuroendocrine activities via the regulation of gut microbiota.
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Affiliation(s)
- Jun-Ji Cui
- Department of Chemical and Pharmaceutical Engineering, College of Chemical Engineering, Huaqiao University, Xiamen 361021, Fujian province, PR China
| | - Ze-Yun Huang
- Department of Chemical and Pharmaceutical Engineering, College of Chemical Engineering, Huaqiao University, Xiamen 361021, Fujian province, PR China
| | - Yi-Hang Xie
- Department of Chemical and Pharmaceutical Engineering, College of Chemical Engineering, Huaqiao University, Xiamen 361021, Fujian province, PR China
| | - Jun-Bin Wu
- Department of Chemical and Pharmaceutical Engineering, College of Chemical Engineering, Huaqiao University, Xiamen 361021, Fujian province, PR China
| | - Guang-Hui Xu
- Xiamen Medicine Research Institute, Xiamen 361008, Fujian province, PR China
| | - Cheng-Fu Li
- Xiamen Hospital of Traditional Chinese Medicine, Xiamen 361009, Fujian province, PR China.
| | - Man-Man Zhang
- Department of Chemical and Pharmaceutical Engineering, College of Chemical Engineering, Huaqiao University, Xiamen 361021, Fujian province, PR China
| | - Li-Tao Yi
- Department of Chemical and Pharmaceutical Engineering, College of Chemical Engineering, Huaqiao University, Xiamen 361021, Fujian province, PR China; Institute of Pharmaceutical Engineering, Huaqiao University, Xiamen 361021, PR China; Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, PR China.
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Roy AC, Prasad A, Ghosh I. Phytochemical Profiling of Tupistra nutans Wall. ex Lindl. Inflorescence Extract and Evaluation of Its Antioxidant Activity and Toxicity in Hepatocarcinoma (HepG2) and Fibroblast (F111) Cells. Appl Biochem Biotechnol 2023; 195:172-195. [PMID: 36070165 DOI: 10.1007/s12010-022-04145-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2022] [Indexed: 01/13/2023]
Abstract
Tupistra nutans Wall. ex Lindl. is a medicinal plant found in the Eastern Himalayan region. Besides being used as a folk medicine for pain and high blood sugar, its inflorescence is consumed as a vegetable. However, its medicinal properties have not been proven in vitro and in vivo till now. Therefore, in this study, we reported the phytochemicals present in the methanolic extract of Tupistra nutans Wall. ex Lindl. inflorescence (METNI) and its comparative effect in liver carcinoma HepG2 cells against non-cancerous murine fibroblast F111 cells. Phytochemical profiling by gas chromatography-mass spectrometry (GC-MS) analysis showed that METNI was rich in unsaturated fatty acids, vitamin E, and anticancer compounds like diosgenin, linoleic acid, and palmitoleic acid. METNI was found to have in vitro antioxidant property as determined by DPPH and pyrogallol methods, and UV protection property as investigated by fluorescence-based and spectrophotometric methods. MTT assay revealed METNI caused significantly more cell proliferation inhibition in HepG2 (IC50 = 138 µg/ml) compared to F111 (IC50 = 347 µg/ml) cells. Although in both HepG2 and F111 cells METNI showed significant antioxidant activity, it led to intracellular ROS generation and cell cycle alteration at higher exposure. The obtained results suggest that Tupistra nutans can be a promising application for anticancer drug and skin care product development, but can be harmful if overconsumed.
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Affiliation(s)
- Ashim Chandra Roy
- Biochemistry and Environmental Toxicology Laboratory, Lab. # 103, School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Abhinav Prasad
- Biochemistry and Environmental Toxicology Laboratory, Lab. # 103, School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Ilora Ghosh
- Biochemistry and Environmental Toxicology Laboratory, Lab. # 103, School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India.
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Yan M, Man S, Liang Y, Ma L, Guo L, Huang L, Gao W. Diosgenin alleviates nonalcoholic steatohepatitis through affecting liver-gut circulation. Pharmacol Res 2023; 187:106621. [PMID: 36535571 DOI: 10.1016/j.phrs.2022.106621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/03/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022]
Abstract
Nonalcoholic steatohepatitis (NASH), as the aggressive form of nonalcoholic fatty liver disease (NAFLD), rapidly becomes the leading cause of end-stage liver disease or liver transplantation. Nowadays, there has no approved drug for NASH treatment. Diosgenin possesses multiple beneficial effects towards inhibition of lipid accumulation, cholesterol metabolism, fibrotic progression and inflammatory response. However, there has been no report concerning its effects on NASH so far. Using methionine and choline-deficient (MCD) feeding mice, we evaluated the anti-NASH effects of diosgenin. 16 S rDNA was used to investigate gut microbiota composition. Transcriptome sequencing, LC/MS and GC/MS analysis were used to evaluate bile acids (BAs) metabolism and their related pathway. Compared with the MCD group, diosgenin treatment improved the hepatic dysfunction, especially decreased the serum and hepatic TC, TG, ALT, AST and TBA to nearly 50%. Content of BAs, especially CA and TCA, were decreased from 59.30 and 26.00-39.71 and 11.48 ng/mg in liver and from 0.96 and 2.1-0.47 and 1.13 μg/mL in serum, and increased from 7.01 and 11.08-3.278 and 5.11 ng/mg in feces, respectively. Antibiotic and fecal microbiota transplantation (FMT) treatment further confirmed the therapeutic effect of diosgenin on gut microbiota, especially Clostridia (LDA score of 4.94), which regulated BAs metabolism through the hepatic FXR-SHP and intestinal FXR-FGF15 pathways. These data indicate that diosgenin prevents NASH by altering Clostridia and BAs metabolism. Our results shed light on the mechanisms of diosgenin in treating NASH, which pave way for the design of novel clinical therapeutic strategies.
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Affiliation(s)
- Mengyao Yan
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Shuli Man
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, PR China.
| | - Yueru Liang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Long Ma
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, PR China
| | - Lanping Guo
- National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, PR China.
| | - Luqi Huang
- National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, PR China
| | - Wenyuan Gao
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Weijin Road, Tianjin 300072, PR China.
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Michalak O, Krzeczyński P, Jaromin A, Cmoch P, Cybulski M, Trzcińska K, Miszta P, Mehta P, Gubernator J, Filipek S. Antioxidant activity of novel diosgenin derivatives: Synthesis, biological evaluation, and in silico ADME prediction. Steroids 2022; 188:109115. [PMID: 36154831 DOI: 10.1016/j.steroids.2022.109115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 09/06/2022] [Accepted: 09/16/2022] [Indexed: 01/11/2023]
Abstract
A series of novel diosgenin (DSG) derivatives has been synthesized and tested in vitro for their antioxidant activity. Initially, four analogues have been evaluated for their cytotoxicity using normal human skin fibroblast (NHDF) as model cells. As a result, 84% of NHDF cells were still alive at 5 µM, so these compounds can be considered as innoxious to fibroblasts at this concentration. Then, hemolytic activity against human erythrocytes was studied in order to evaluate the potential impact of tested compounds against normal host cells. The result < 5% of hemolysis rates suggest no lytic activity for most compounds. After that, the main test - evaluation the antioxidant effect of DSG and its new derivatives against lipid peroxidation in the o/w emulsion model - was performed. The most promising compound (8) exhibited the significant antioxidant activity and the biocompatibility towards normal human dermal fibroblasts and red bloods cells. This p-aminobenzoic derivative revealed 61.6% blocking of induced lipid oxidation. Furthermore, eleven predicted ADME properties were predicted for all tested compounds and revealed that they are in compliance with drug-likeness criteria.
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Affiliation(s)
- Olga Michalak
- Department of Pharmacy, Cosmetic Chemistry and Biotechnology, Team of Chemistry, Łukasiewicz Research Network-Industrial Chemistry Institute, 8 Rydygiera Str., 01-793 Warsaw, Poland.
| | - Piotr Krzeczyński
- Department of Pharmacy, Cosmetic Chemistry and Biotechnology, Team of Chemistry, Łukasiewicz Research Network-Industrial Chemistry Institute, 8 Rydygiera Str., 01-793 Warsaw, Poland.
| | - Anna Jaromin
- Department of Lipids and Liposomes, Faculty of Biotechnology, University of Wrocław, 14a Joliot-Curie Street, 50-383 Wrocław, Poland.
| | - Piotr Cmoch
- Institute of Organic Chemistry Polish Academy of Sciences, 44/52 Kasprzaka Str., 01-224 Warsaw, Poland.
| | - Marcin Cybulski
- Department of Pharmacy, Cosmetic Chemistry and Biotechnology, Team of Chemistry, Łukasiewicz Research Network-Industrial Chemistry Institute, 8 Rydygiera Str., 01-793 Warsaw, Poland.
| | - Kinga Trzcińska
- Analytical Department, Łukasiewicz Research Network-Industrial Chemistry Institute, 8 Rydygiera Str., 01-793 Warsaw, Poland.
| | - Przemysław Miszta
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, 02-093 Warsaw, Poland.
| | - Pakhuri Mehta
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, 02-093 Warsaw, Poland.
| | - Jerzy Gubernator
- Department of Lipids and Liposomes, Faculty of Biotechnology, University of Wrocław, 14a Joliot-Curie Street, 50-383 Wrocław, Poland.
| | - Sławomir Filipek
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, 02-093 Warsaw, Poland.
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Matteo Jörgensen A, Knoll P, Haddadzadegan S, Fabian H, Hupfauf A, Gust R, Georg Jörgensen R, Bernkop-Schnürch A. Biodegradable arginine based steroid-surfactants: Cationic green agents for hydrophobic ion-pairing. Int J Pharm 2022; 630:122438. [PMID: 36464112 DOI: 10.1016/j.ijpharm.2022.122438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 11/18/2022] [Accepted: 11/20/2022] [Indexed: 12/03/2022]
Abstract
The aim of this study was to evaluate the safety and efficacy for hydrophobic ion-pairing of surfactants based on arginine (Arg). The prepared Arg-cholesteryl ester (ACE) and Arg-diosgenyl ester (ADE) were characterized regarding solubility, pKa, critical micellar concentration (CMC), biodegradability as well as membrane- and aquatic toxicity using DOTAP as reference. The ability for hydrophobic ion-pairing was evaluated and the lipophilicity of formed complexes was determined. NMR, FT-IR and MS confirmed successful synthesis of Arg-surfactants. The slightly soluble single-charged Arg-surfactants (pH < pKa3 (ACE = 10.42 ± 0.52; ADE = 10.38 ± 0.27)) showed CMCs of 27.17 µM for ACE and 35.67 µM for ADE. CMCs of the sparingly soluble double-charged species (pH < pKa2 (ACE = 5.30 ± 0.20; ADE = 5.55 ± 0.06)) were determined at concentrations of ≥ 250 µM for ACE and ≥ 850 µM for ADE. The enzymatic- and environmental biodegradability was proven by an entire cleavage of Arg-surfactants within 24 h, whereas DOTAP remained stable. Arg-surfactants exhibited lower membrane- (> 2-fold) and aquatic toxicity (> 15-fold) than DOTAP. The complexes formed with Arg-surfactants and insulin showed higher lipophilicity than the DOTAP-complex. According to these results, Arg-surfactants might be a promising safe tool for the delivery of peptide drugs.
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Affiliation(s)
- Arne Matteo Jörgensen
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, Innrain 80-82, 6020 Innsbruck, Austria
| | - Patrick Knoll
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, Innrain 80-82, 6020 Innsbruck, Austria
| | - Soheil Haddadzadegan
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, Innrain 80-82, 6020 Innsbruck, Austria
| | - Hannah Fabian
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, Innrain 80-82, 6020 Innsbruck, Austria
| | - Andrea Hupfauf
- Department of Pharmaceutical Chemistry, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, Innrain 80-82, 6020 Innsbruck, Austria
| | - Ronald Gust
- Department of Pharmaceutical Chemistry, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, Innrain 80-82, 6020 Innsbruck, Austria
| | - Rainer Georg Jörgensen
- Soil Biology and Plant Nutrition, University of Kassel, Nordbahnhofstr. 1a, 37023 Witzenhausen, Germany
| | - Andreas Bernkop-Schnürch
- Department of Pharmaceutical Technology, University of Innsbruck, Institute of Pharmacy, Center for Chemistry and Biomedicine, Innrain 80-82, 6020 Innsbruck, Austria.
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Arya P, Kumar P. Diosgenin: An ingress towards solving puzzle for diabetes treatment. J Food Biochem 2022; 46:e14390. [PMID: 36106684 DOI: 10.1111/jfbc.14390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/16/2022] [Accepted: 08/26/2022] [Indexed: 01/13/2023]
Abstract
The consumption and composition of food in daily life predict our health in long run. The relation of diabetes to sweets is quite popular. Diabetes hampers the glucose and insulin regulation in the human body by damaging pancreatic β cells. Diabetes has a strong potential towards altering cellular mechanisms of organs causing unlawful performance. Diabetes alters pathways like TLR4, AChE, NF-ĸB, LPL, and PPAR at different sites that affect the normal cellular machinery and cause damage to the local tissue and organ. The long-lasting effect of diabetes was observed in vascular, cardia, nervous, skeletal, reproductive, hepatic, ocular, and renal systems. The increasing awareness of diabetes and its concern has awakened the common people more enthusiastically. Due to rising harm from diabetes, scientific researchers tend to have more eyes toward it. While searching for diabetes solutions, fenugreek diosgenin could pop up with some positive effects in curing the same. Diosgenin helps to lower the scathe of diabetes by modifying cellular pathways in favor of healthy bodily functions. Diosgenin altered the pathways for renewal of pancreatic β cells for better insulin secretion, initiate GLUT4, enhanced DHEA, modify ER-α-mediated PI3K/Akt pathways. Diosgenin can be an appropriate insult for diabetes in a much evolving way for a healthy lifestyle. PRACTICAL APPLICATIONS: Diabetes is one of the most death causing diseases in the medical world. Regrettably the cure of diabetes is yet to be found. Various scientific team working on the same to look after the most appropriate way for diabetes treatment. There is enormous growth of nutraceutical in the market claiming for cure of different metabolic disorders. Among various bioactive compound fenugreek's diosgenin could took a leap over other in curing and preventing the damage caused by diabetes to different organs. The role of diosgenin in curing various metabolic disorders is quite popular from some time. This article also emphasizes over beneficiary effect of diosgenin in curing the damages caused by diabetes by altering cellular metabolism processes. Hence diosgenin could be a better way for researchers to develop a method for diabetes treatment.
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Affiliation(s)
- Prajya Arya
- Department of Food Engineering and Technology, Sant Longowal Institute of Engineering and Technology, Longowal, India
| | - Pradyuman Kumar
- Department of Food Engineering and Technology, Sant Longowal Institute of Engineering and Technology, Longowal, India
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Zhong Y, Li Z, Jin R, Yao Y, He S, Lei M, Wang X, Shi C, Gao L, Peng X. Diosgenin Ameliorated Type II Diabetes-Associated Nonalcoholic Fatty Liver Disease through Inhibiting De Novo Lipogenesis and Improving Fatty Acid Oxidation and Mitochondrial Function in Rats. Nutrients 2022; 14. [PMID: 36501024 DOI: 10.3390/nu14234994] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/11/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022] Open
Abstract
Diosgenin (DIO) is a dietary and phytochemical steroidal saponin representing multiple activities. The present study investigated the protective effect of DIO on type II diabetes-associated nonalcoholic fatty liver disease (D-NAFLD). The rat model was established by high-fat diet and streptozotocin injection and then administered DIO for 8 weeks. The results showed that DIO reduced insulin resistance index, improved dyslipidemia, and relieved pancreatic damage. DIO decreased hepatic injury markers, including aspartate aminotransferase (AST) and alanine aminotransferase (ALT). H&E staining showed that DIO relieved hepatic lipid deposition. Mechanistically, DIO inhibited hepatic de novo lipogenesis (DNL) and increased fatty acid β-oxidation (FAO) through regulation of the AMPK-ACC/SREBP1 pathway. Endoplasmic reticulum (ER) stress was inhibited by DIO through regulation of PERK and IRE1 arms, which may then inhibit DNL. DIO also decreased reactive oxygen species (ROS) and enhanced the antioxidant capacity via an increase in Superoxide dismutase (SOD), Catalase (CAT), and Glutathione peroxidase (GPx) activities. The mitochondria are the site for FAO, and ROS can damage mitochondrial function. DIO relieved mitochondrial fission and fusion disorder by inhibiting DRP1 and increasing MFN1/MFN2 expressions. Mitochondrial apoptosis was then inhibited by DIO. In conclusion, the present study suggests that DIO protects against D-NAFLD by inhibiting DNL and improving FAO and mitochondrial function.
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Nasiri A, Rashidi-Monfared S, Ebrahimi A, Falahi Charkhabi N, Moieni A. Metabolic engineering of the diosgenin biosynthesis pathway in Trigonella foenum-graceum hairy root cultures. Plant Sci 2022; 323:111410. [PMID: 35944746 DOI: 10.1016/j.plantsci.2022.111410] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 07/04/2022] [Accepted: 08/05/2022] [Indexed: 06/15/2023]
Abstract
Diosgenin as a triterpene with numbers of pharmaceutical applications has been identified in Trigonella foenum-graceum. In this survey, in order to scale up the amount of diosgenin in Fenugreek as a promising alternative of yam, ∆24-reductase as a rate limiting enzyme in diosgenin biosynthesis pathway has been overexpressed by utilizing pBI121 expression plasmid in hairy roots culture platform. The recombinant binary vector pBI121-∆24-reductase was transformed into R. rhizogenes strain ATCC 15834 to induce transgenic hairy roots in "Hamedan" as a low-diosgenin production genotype. In the transgenic hairy roots, the ∆24-reductase expression level was significantly 8.15 times overexpressed comparing to the non-transgenic hairy roots, Nonetheless the Sterol-methyltransferase, as a competitive enzyme, was 6 times downregulated. Furthermore, the expression rate of Squalene synthase, Cycloartenol synthase, C26-Hydroxylase were also increased 1.5, 1.7, 2.9 times higher than those of the non-transgenic hairy roots, respectively. The diosgenin content in the transgenic hairy root was raised 3 times up comparing to the non-transgenic hairy roots, besides it was scaled up 25-fold comparing to the diosgenin amount in "Hamedan" Leaf. As a result, the first metabolic engineering on this pathway was clearly revealed the impact of ∆24 -reductase gene in diosgenin content enhancement.
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Affiliation(s)
- Ahmad Nasiri
- Agricultural Biotechnology Department, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Sajad Rashidi-Monfared
- Agricultural Biotechnology Department, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
| | - Amin Ebrahimi
- Agronomy and Plant Breeding Department, Faculty of Agriculture, Shahrood University of Technology, Semnan, Iran.
| | - Nargues Falahi Charkhabi
- Department of Entomology and Plant Pathology, College of Aburaihan, University of Tehran, Tehran, Iran
| | - Ahmad Moieni
- Genetics and Plant Breeding Department, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
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Wang Z, Wu Q, Wang H, Gao Y, Nie K, Tang Y, Su H, Hu M, Gong J, Fang K, Dong H. Diosgenin protects against podocyte injury in early phase of diabetic nephropathy through regulating SIRT6. Phytomedicine 2022; 104:154276. [PMID: 35728388 DOI: 10.1016/j.phymed.2022.154276] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/31/2022] [Accepted: 06/12/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Diabetic nephropathy (DN) is a serious complication of diabetes mellitus. DN is the main cause of end-stage renal disease (ESRD). SIRT6 becomes the important target of DN. Diosgenin (a monomer from Chinese herbs) is probable to bind to SIRT6. PURPOSE Based on studies presented in the literature on kidney injuries plus screening for the binding effects of the drug to Sirt6, we aimed to carry out the study to assess the effects of diosgenin involved in improving podocyte damage in the early phase of DN.. METHODS DN model was established in spontaneous diabetic db/db mice. Animal experiment was in two parts. The first part includes four groups consisting of control (Con) group, model (Mod) group, low dose of diosgenin (DL) group and high dose of diosgenin (DH) group. The second part includes four groups consisting of control group, model group, DH+OSS_128167 (OSS, inhibitor of SIRT6) group, MDL800 (agonist of SIRT6) group. MPC5 cell line was selected in cell experiment, which was mainly composed of six groups including Con group, palmitic acid (PA) group, PA+DL group, PA+DH group, PA+DH+OSS group, PA+MDL800 group. Some procedures such as transcriptomics, RT-qPCR and so on were used in the study to explore and verify the mechanism. RESULTS The abnormal changes of mesangial matrix expansion, glomerular basement membrane (GBM) thickness, foot process (FP) width, urine albumin/creatinine (UACR), DESMIN, ADRP, NEPHRIN, PODOCIN, SIRT6 in Mod group were alleviated in DH group rather than DL group in the first part of animal experiment. The effect in DH group could be reversed in DH+OSS group and the same effect was observed in MDL800 group in the second part of animal experiment. The same results were also found in cell experiment. Protein level and mRNA expression of pyruvate dehydrogenase kinase 4 (PDK4) and Angiopoietin-like-4 (ANGPTL4) were increased in PA group, which could be alleviated in DH group, MDL800 group rather than DH+OSS group. CONCLUSIONS Diosgenin could protect against podocyte injury in early phase of diabetic nephropathy by regulating SIRT6.
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Affiliation(s)
- Zhi Wang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qiao Wu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongzhan Wang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yang Gao
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kexin Nie
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yueheng Tang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hao Su
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Meilin Hu
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing Gong
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ke Fang
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Hui Dong
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Bhat MH, Fayaz M, Kumar A, Dar AA, Jain AK. Development of an efficient micropropagation system for Dioscorea bulbifera L. and phytochemical profile of regenerated plants. J Genet Eng Biotechnol 2022; 20:107. [PMID: 35838925 PMCID: PMC9287521 DOI: 10.1186/s43141-022-00382-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 06/14/2022] [Indexed: 12/04/2022]
Abstract
Background The present study was designed to develop an improved in vitro regeneration system for Dioscorea bulbifera using mature nodal explants. Direct organogenesis from nodal segments was achieved by culturing the nodal explants on Murashige and Skoog medium supplemented with 3.5 mgl−1 6-benzylaminopurine (BAP). Shoot multiplication was widely affected by the kind and concentration of plant growth regulators, and the sub-culturing of in vitro regenerated shootlets on fresh medium. After incubation for 4 weeks at optimum BAP concentration, cultures were transferred to secondary medium with BAP (optimized concentration) supplemented with different auxins. Results On medium with 3.5 mgl−1 6-benzylaminopurine, maximum regeneration (87 ± 1.85%) with an average shoot number of 2.0 ± 0.08, and length of 3.5 ± 0.04 cm were observed after 4 weeks of incubation. Maximum number of shoots (3.9 ± 0.21) was observed with 3.5 mgl−1 BAP in combination with 0.75 mgl−1 indole-3-acetic acid. The best root formation was observed on ½ MS medium supplemented with 0.75 mgl−1 α-naphthalene acetic acid, with 4.7 ± 0.03 roots per shoot. The well-rooted plantlets were successfully acclimatized in with 100% survival rate. The plantlets grew well with normal growth, flowering and showed, by High performance thin layer chromatography, almost same number of phytoconstituents compared with the mother plant. Conclusions This is the first study on comparative phytochemical analysis of wild growing and in vitro regenerated plants of D. bulbifera which validates the medicinal and nutritional properties of in vitro raised plants.
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Affiliation(s)
| | - Mufida Fayaz
- School of Studies in Botany, Jiwaji University, Gwalior, 474011, India
| | - Amit Kumar
- Institute of Ethnobiology, Jiwaji University, Gwalior, 474011, India
| | - Alamgir A Dar
- Research Centre for Residue and Quality Analysis, Sher-e-Kashmir University of Agricultural Sciences and Technology (SKUAST-K), J, Srinagar, &K 180009, India
| | - Ashok Kumar Jain
- Institute of Ethnobiology, Jiwaji University, Gwalior, 474011, India
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Okokon JE, Etuk IC, Thomas PS, Drijfhout FP, Claridge TDW, Li WW. In vivo antihyperglycaemic and antihyperlipidemic activities and chemical constituents of Solanum anomalum. Biomed Pharmacother 2022; 151:113153. [PMID: 35598372 DOI: 10.1016/j.biopha.2022.113153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/12/2022] [Accepted: 05/15/2022] [Indexed: 11/02/2022] Open
Abstract
Solanum anomalum is a plant used ethnomedically for the treatment of diabetes. The study was aimed to validate ethnomedical claims in rat model and identify the likely antidiabetic compounds. Leaf extract (70-210 mg/kg/day) and fractions (140 mg/kg/day) of S. anomalum were evaluated in hyperglycaemic rats induced using alloxan for effects on blood glucose, lipids and pancreas histology. Phytochemical characterisation of isolated compounds and their identification were performed using mass spectrometry and NMR spectroscopy. Bioinformatics tool was used to predict the possible protein targets of the identified bioactive compounds. The leaf extract/fractions on administration to diabetic rats caused significant lowering of fasting blood glucose of the diabetic rats during single dose study and on repeated administration of the extract. The hydroethanolic leaf extracts also enhanced glucose utilization capacity of the diabetic rats and caused significant lowering of glycosylated hemoglobin levels and elevation of insulin levels in the serum. Furthermore, triglycerides, LDL-cholesterol, and VLDL-cholesterol levels were lowered significantly, while HDL-cholesterol levels were also elevated in the treated diabetic rats. There was absence or few pathological signs in the treated hyperglycaemic rat pancreas compared to that present in the pancreas of control group. Diosgenin, 25(R)-diosgenin-3-O-α-L-rhamnopyranosyl-(1→4)-β-D-glucopyranoside, uracil, thymine, 1-octacosanol, and octacosane were isolated and identified. Protein phosphatases along with secreted proteins are predicted to be the major targets of diosgenin and the diosgenin glycoside. These results suggest that the leaf extract/fractions of S. anomalum possess antidiabetic and antihyperlipidemic properties, offer protection to the pancreas and stimulate insulin secretion, which can be attributable to the activities of its phytochemical constituents.
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Affiliation(s)
- Jude E Okokon
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Uyo, Uyo, Nigeria.
| | - Idongesit C Etuk
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Uyo, Uyo, Nigeria
| | - Paul S Thomas
- Department of Pharmacognosy and Natural Medicine, Faculty of Pharmacy, University of Uyo, Uyo, Nigeria
| | - Falko P Drijfhout
- Chemical Sciences Research Centre, Keele University, Staffordshire ST5 5BG, United Kingdom
| | - Tim D W Claridge
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Wen-Wu Li
- School of Pharmacy and Bioengineering, Keele University, Stoke-on-Trent ST4 7QB, United Kingdom.
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Zhang J, Wang W, Tian Y, Ma L, Zhou L, Sun H, Ma Y, Hou H, Wang X, Ye J, Wang X. Design, synthesis and biological evaluation of novel diosgenin-benzoic acid mustard hybrids with potential anti-proliferative activities in human hepatoma HepG2 cells. J Enzyme Inhib Med Chem 2022; 37:1299-1314. [PMID: 35652316 PMCID: PMC9176691 DOI: 10.1080/14756366.2022.2070161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
To discover new lead compounds with anti-tumour activities, in the present study, natural diosgenin was hybridised with the reported benzoic acid mustard pharmacophore. The in vitro cytotoxicity of the resulting newly synthesised hybrids (8–10, 14a–14f, and 15a–15f) was then evaluated in three tumour cells (HepG2, MCF-7, and HeLa) as well as normal GES-1 cells. Among them, 14f possessed the most potential anti-proliferative activity against HepG2 cells, with an IC50 value of 2.26 µM, which was 14.4-fold higher than that of diosgenin (IC50 = 32.63 µM). Furthermore, it showed weak cytotoxicity against GES-1 cells (IC50 > 100 µM), thus exhibiting good antiproliferative selectivity between normal and tumour cells. Moreover, 14f could induce G0/G1 arrest and apoptosis of HepG2 cells. From a mechanistic perspective, 14f regulated cell cycle-related proteins (CDK2, CDK4, CDK6, cyclin D1 and cyclin E1) as well mitochondrial apoptosis pathway-related proteins (Bax, Bcl-2, caspase 9, and caspase 3). These findings suggested that hybrid 14f serves as a promising anti-hepatoma lead compound that deserves further research.
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Affiliation(s)
- Jinling Zhang
- College of Pharmacy, Qiqihar Medical University, Qiqihar, Heilongjiang, P. R. China
| | - Wenbao Wang
- College of Pharmacy, Qiqihar Medical University, Qiqihar, Heilongjiang, P. R. China.,Chinese People's Liberation Army Logistics Support Force No. 967 Hospital, Dalian, P. R. China
| | - Yanzhao Tian
- Chinese People's Liberation Army Logistics Support Force No. 967 Hospital, Dalian, P. R. China
| | - Liwei Ma
- College of Pharmacy, Qiqihar Medical University, Qiqihar, Heilongjiang, P. R. China
| | - Lin Zhou
- Chinese People's Liberation Army Logistics Support Force No. 967 Hospital, Dalian, P. R. China
| | - Hao Sun
- Chinese People's Liberation Army Logistics Support Force No. 967 Hospital, Dalian, P. R. China
| | - Yukun Ma
- College of Pharmacy, Qiqihar Medical University, Qiqihar, Heilongjiang, P. R. China
| | - Huiling Hou
- College of Pharmacy, Qiqihar Medical University, Qiqihar, Heilongjiang, P. R. China
| | - Xiaoli Wang
- College of Pharmacy, Qiqihar Medical University, Qiqihar, Heilongjiang, P. R. China
| | - Jin Ye
- College of Pharmacy, Qiqihar Medical University, Qiqihar, Heilongjiang, P. R. China
| | - Xiaobo Wang
- Chinese People's Liberation Army Logistics Support Force No. 967 Hospital, Dalian, P. R. China
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Zhang X, Xue Z, Zhu S, Guo Y, Zhang Y, Dou J, Zhang J, Ito Y, Guo Z. Diosgenin revealed potential effect against cerebral ischemia reperfusion through HIKESHI/HSP70/NF-κB anti-inflammatory axis. Phytomedicine 2022; 99:153991. [PMID: 35217435 DOI: 10.1016/j.phymed.2022.153991] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 01/29/2022] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND It is a research hotspot to use natural compounds in treatment of cerebral ischemia reperfusion (I/R) for a refractory disease throughout the worldwide without available drugs or treatments at present. Our previous study has demonstrated that diosgenin (DIO), a starting material to synthesize various steroid anti-inflammatory drugs in medical industry, showed medicinal effect against I/R via inhibiting aberrant inflammatory reaction induced by I/R. However, the detailed anti-inflammatory network of DIO in treatment of I/R still remains to be further explored. PURPOSE HIKESHI was firstly identified as a novel target of DIO used for I/R by rat brain proteomic analysis, and mechanistic efforts were focused based on this gene. Hopefully, extensive detailed molecular mechanisms of DIO against I/R was established and confirmed. METHODS The effect of DIO against I/R was examined in vitro and in vivo, which cells (SH-SY5Y and PC12) and rats were experienced to ORD/RP and MCAO exposures, respectively, to establish I/R modes. Staining was used to evaluate the pathological procedure of DIO used for I/R. Protein changes including expression, interaction, and activity during DIO's anti-I/R effect were assessed with real time PCR, western blot, Co-IP, luciferase reporter assay. RESULTS In the current study, HIKESHI and HSP70 were both upregulated, when I/R cells and rats were treated with DIO in vitro and in vivo. Mechanistically, DIO stimulated the binding of HIKESHI to HSP70 and facilitated the translocation of HSP70 into nucleus. Subsequently, HSP70 blunted the transcription activity of NF-κB after physical interaction with this transcription factor, and therefore led to the suppression of its downstream pro-inflammatory cytokine (TNF-α, IL-1β, and IL-6) release into surrounding I/R lesion area. Conversely, HIKESHI or HSP70 knockdowns attenuated the nuclear translocation and restraint on NF-κB-mediated inflammation, finally resulting in the abolishment of DIO-induced anti-I/R effect. NF-κB activation also relieved the inhibitory inflammation and reversed DIO's effect against I/R, suggesting that NF-κB was the downstream target of HIKESHI and HSP70 in I/R treatment with DIO. CONCLUSIONS These findings established a novel HIKESHI/HSP70/NF-κB signaling pathway associated with DIO-treated I/R, which might be as therapeutic targets or drugs with potential implications for the therapeutic use of I/R in clinic.
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Affiliation(s)
- Xinxin Zhang
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Diaotai Street, Qindou District, Xi'an, Shaanxi, China
| | - Zhaowei Xue
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Diaotai Street, Qindou District, Xi'an, Shaanxi, China
| | - Shangjun Zhu
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Diaotai Street, Qindou District, Xi'an, Shaanxi, China
| | - Yuting Guo
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Diaotai Street, Qindou District, Xi'an, Shaanxi, China
| | - Yan Zhang
- Xi'an Medical University, No.1 Xinwang Road, Weiyang District, Xi'an, Shaanxi, China.
| | - Jianwei Dou
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Diaotai Street, Qindou District, Xi'an, Shaanxi, China
| | - Jiye Zhang
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Diaotai Street, Qindou District, Xi'an, Shaanxi, China
| | - Yoichiro Ito
- Laboratory of Bio-separation Technologies, Biochemistry and Biophysics Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Zengjun Guo
- Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Diaotai Street, Qindou District, Xi'an, Shaanxi, China.
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Fan R, He W, Fan Y, Xu W, Xu W, Yan G, Xu S. Recent advances in chemical synthesis, biocatalysis, and biological evaluation of diosgenin derivatives - A review. Steroids 2022; 180:108991. [PMID: 35217033 DOI: 10.1016/j.steroids.2022.108991] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 01/19/2022] [Accepted: 02/18/2022] [Indexed: 12/28/2022]
Abstract
Extracting organic compounds from plants and developing derivatives are essential methods for drug discovery. Diosgenin, extracted from Dioscoreaceae plants, is a type of spirostan steroid with various biological effects, including anti-inflammation, neuro-protection, and apoptosis-induction. Many researchers committed their work to the chemical semi-synthesis of diosgenin derivatives to improve diosgenin's therapeutic bioavailability and expand its range of applications in disease treatment and prevention. Biotransformation, a mild whole-cell biocatalysis method, also made crucial contributions to the structural diversity of diosgenin analogs in recent years. Although the structural modification of diosgenin has made significant progress, it lacks a comprehensive review. Here, we review the chemical modification and biotransformation of diosgenin along with the biological evaluation of diosgenin derivatives to provide a reference for the structural modification strategy and pharmaceutical application of diosgenin derivatives.
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Affiliation(s)
- Ruolan Fan
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, PR China
| | - Weishen He
- Biology Department, Boston College, Brighton, MA 02135, USA
| | - Yong Fan
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, PR China
| | - Wen Xu
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, PR China
| | - Wei Xu
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, PR China.
| | - Guohong Yan
- Pharmacy Department, People's Hospital Affiliated to Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350004, PR China.
| | - Shaohua Xu
- College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, PR China.
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Wu XB, Lai CH, Ho YJ, Kuo CH, Lai PF, Tasi CY, Jin G, Wei M, Asokan Shibu M, Huang CY, Lee SD. Anti-apoptotic effects of diosgenin on ovariectomized hearts. Steroids 2022; 179:108980. [PMID: 35157911 DOI: 10.1016/j.steroids.2022.108980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 01/19/2022] [Accepted: 02/03/2022] [Indexed: 11/21/2022]
Abstract
BACKGROUND The anti-apoptotic effects of diosgenin, a steroid saponin, on hearts in female with estrogen deficiency have been less studied. This study aimed to evaluate the anti-apoptotic effects of diosgenin on cardiac widely dispersed apoptosis in a bilateral ovariectomized animal model. METHODS A total of 60 female Wistar rats, aged 6-7 months, were divided into the sham-operated group (Sham), bilateral ovariectomized rats for 2 months, and ovariectomized rats administered with 0, 10, 50, or 100 mg/kg diosgenin daily (OVX, OVX 10, OVX 50, and OVX 100, respectively) in the second month. The excised hearts were analyzed by H&E staining, TUNEL(+) assays and Western Blot. RESULT Cardiac TUNEL(+) apoptotic cells, the levels of Fas ligand, Fas death receptors, Fas-associated death domain, active caspase-8, and active caspase-3 (FasL/Fas-mediated pathways) as well as the levels of Bax, Bad, Bax/Bcl2, Bad/p-Bad, cytosolic Cytochrome c, active caspase-9, and active caspase-3 (mitochondria-initiated pathway) were increased in OVX compared with Sham group but those were decreased in OVX 50 compared with OVX. CONCLUSION Diosgenin appeared to prevent or suppress ovariectomy-induced cardiac FasL/Fas-mediated and mitochondria-initiated apoptosis. These findings might provide one of the possible therapeutic approaches of diosgenin for potentially preventing cardiac apoptosis in women after bilateral ovariectomy or women with estrogen deficiency.
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Affiliation(s)
- Xu-Bo Wu
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China; Departmental of Rehabilitation, Seventh People's Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Chin-Hu Lai
- Division of Cardiovascular Surgery, Department of Surgery, Taichung Armed Force General Hospital, Taichung, Taiwan; National Defense Medical Center, Taipei, Taiwan.
| | - Ying-Jui Ho
- Department of Psychology, Chung Shan Medical University, Taichung, Taiwan.
| | - Chia-Hua Kuo
- Laboratory of Exercise Biochemistry, University of Taipei, Taipei, Taiwan.
| | - Pei-Fang Lai
- Emergency Department, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Tzu Chi University, Hualien, Taiwan.
| | - Ching-Yi Tasi
- Department of Physical Therapy, Graduate Institute of Rehabilitation Science, China Medical University, Taichung, Taiwan.
| | - Guohua Jin
- Departmental of Rehabilitation, Seventh People's Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Minqian Wei
- Departmental of Rehabilitation, Seventh People's Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | | | - Chih-Yang Huang
- Cardiovascular and Mitochondrial Related Disease Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan; Department of Biological Science and Technology, Asia University, Taichung, Taiwan; Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien, Taiwan; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan.
| | - Shin-Da Lee
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China; Departmental of Rehabilitation, Seventh People's Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China; Department of Physical Therapy, Graduate Institute of Rehabilitation Science, China Medical University, Taichung, Taiwan; Department of Physical Therapy, Asia University, Taichung; School of Rehabilitation Medicine, Weifang Medical University, Shandong, China.
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Zhong Y, Sun D, Yao Y, Liu Q, Guo T, Wang X, Peng X. Autophagy and mitochondrial dynamics contribute to the protective effect of diosgenin against 3-MCPD induced kidney injury. Chem Biol Interact 2022;:109850. [PMID: 35149085 DOI: 10.1016/j.cbi.2022.109850] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 01/27/2022] [Accepted: 02/07/2022] [Indexed: 11/23/2022]
Abstract
3-Chloro-1, 2-propanediol (3-MCPD) is a widespread food contaminant with kidney as the main target organ. The exploration of ingredients as intervention strategy towards 3-MCPD induced nephrotoxicity is needed. Diosgenin (DIO) is a steroidal saponin presented in several plants and foods. Here we assessed whether DIO attenuates nephrotoxicity induced by 3-MCPD using Human embryonic kidney 293 (HEK293) cells and Sprague-Dawley (SD) rats. The results showed that DIO (2, 6, 8 μM) increased cell viability and exerted inhibitory effect on caspase 3 and caspase 9 activities. Histological examination of rats showed that 15 mg/kg bw DIO ameliorated renal pathological changes caused by 3-MCPD (30 mg/kg bw). DIO also induced autophagy and the blockade of autophagy with 3-Methyladenine (3-MA) aggravated mitochondrial apoptosis induced by 3-MCPD in HEK293 cells. Moreover, treatment with DIO caused an increase in p-LKB1/LKB1 and p-AMPK/AMPK expressions and a decrease in p-mTOR/mTOR, p-ULK1(Ser757), p-P70S6K and p-4EBP1 expressions. Additionally, DIO improved mitochondrial dynamics mainly through inhibiting the relocation of DRP1 on mitochondria and enhancing MFN1 and MFN2 expressions. In conclusion, our study demonstrated for the first time that DIO protected against kidney injury induced by 3-MCPD through the induction of autophagy via LKB1-AMPK-mTOR pathway and the improvement of mitochondrial fission and fusion.
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Wang W, Li C, Chen Z, Zhang J, Ma L, Tian Y, Ma Y, Guo L, Wang X, Ye J, Wang X. Novel diosgenin-amino acid-benzoic acid mustard trihybrids exert antitumor effects via cell cycle arrest and apoptosis. J Steroid Biochem Mol Biol 2022; 216:106038. [PMID: 34861390 DOI: 10.1016/j.jsbmb.2021.106038] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 11/16/2021] [Accepted: 11/29/2021] [Indexed: 12/14/2022]
Abstract
In discovering new powerful antitumor agents, two series of novel diosgenin-amino acid-benzoic acid mustard trihybrids (7a-7 g and 12a-12 g) were designed and synthesized. The antiproliferative activities were tested against five human tumor cell lines and one normal cell line using CCK-8 assays. Among the trihybrids, 12e was the most promising compound, which inhibited T24 cells with IC50 value of 6.96 μM, and was stronger than its parent compound diosgenin (IC50 = 32.33 μM). In addition, 12e had weak cytotoxicity on the normal GES-1 cell line (IC50 = 213.74 μM). Moreover, 12e could cause G2/M cell cycle arrest, increase the percentage of apoptosis, induce mitochondrial depolarization, and promote reactive oxygen species generation in T24 cells. Further studies on antitumor mechanism demonstrated that 12e triggered the intrinsic (mitochondrial) and extrinsic (death receptor) apoptotic pathways. More importantly, 12e could inhibit T24 cell proliferation in an in vivo zebrafish xenograft model. Therefore, 12e, as a novel trihybrid with potent cytotoxicity, might be applied as a promising skeleton for antitumor agents, which deserved further optimization.
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Affiliation(s)
- Wenbao Wang
- Qiqihar Medical University, Qiqihar, 161006 Heilongjiang, PR China; Chinese People's Liberation Army Logistics Support Force No. 967 Hospital, Dalian, 116021, PR China.
| | - Chuan Li
- General Hospital of Northern Theater Command, Shenyang, 110016, PR China
| | - Zhe Chen
- Qiqihar Medical University, Qiqihar, 161006 Heilongjiang, PR China
| | - Jinling Zhang
- Qiqihar Medical University, Qiqihar, 161006 Heilongjiang, PR China
| | - Liwei Ma
- Qiqihar Medical University, Qiqihar, 161006 Heilongjiang, PR China
| | - Yanzhao Tian
- Chinese People's Liberation Army Logistics Support Force No. 967 Hospital, Dalian, 116021, PR China
| | - Yukun Ma
- Qiqihar Medical University, Qiqihar, 161006 Heilongjiang, PR China
| | - Lina Guo
- Qiqihar Medical University, Qiqihar, 161006 Heilongjiang, PR China
| | - Xiaoli Wang
- Qiqihar Medical University, Qiqihar, 161006 Heilongjiang, PR China
| | - Jin Ye
- Qiqihar Medical University, Qiqihar, 161006 Heilongjiang, PR China
| | - Xiaobo Wang
- Chinese People's Liberation Army Logistics Support Force No. 967 Hospital, Dalian, 116021, PR China.
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Som S, Antony J, Dhanabal SP, Ponnusankar S. Neuroprotective role of Diosgenin, a NGF stimulator, against Aβ (1-42) induced neurotoxicity in animal model of Alzheimer's disease. Metab Brain Dis 2022; 37:359-372. [PMID: 35023028 DOI: 10.1007/s11011-021-00880-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 12/05/2021] [Indexed: 01/24/2023]
Abstract
Diosgenin is a neurosteroid derived from the plants and has been previously reported for its numerous health beneficial properties, such as anti-arrhythmic, hypolipidemic, and antiproliferative effects. Although several studies conducted earlier suggested cognition enhancement actions of diosgenin against neurodegenerative disorders, but the molecular mechanisms underlying are not clearly understood. In the present study, we investigated the neuroprotective effect of diosgenin in the Wistar rats that received an intracerebroventricular injection of Amyloid-β (1-42) peptides, representing a rodent model of Alzheimer's disease (AD). Animals were treated with 100 and 200 mg/kg/p.o of diosgenin for 28 days, followed by Amyloid-β (1-42) peptides infusion. Animals were assessed for the spatial learning and memory by using radial arm maze and passive avoidance task. Subsequently, animals were euthanized and brains were collected for biochemical estimations and histopathological studies. Our results revealed that, diosgenin administration dose dependently improved the spatial learning and memory and protected the animals from Amyloid-β (1-42) peptides induced disrupted cognitive functions. Further, biochemical analysis showed that diosgenin successfully attenuated Amyloid-β (1-42) mediated plaque load, oxidative stress, neuroinflammation and elevated acetylcholinesterase activity. In addition, histopathological evaluation also supported neuroprotective effects of diosgenin in hippocampus of rat brain when assessed using hematoxylin-eosin and Cresyl Violet staining. Thus, the aforementioned effects suggested protective action of diosgenin against Aβ (1-42) induced neuronal damage and thereby can serve as a potential therapeutic candidate for AD.
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Affiliation(s)
- Swati Som
- Department of Pharmacy Practice, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty-643001, Tamilnadu, India
| | - Justin Antony
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty-643001, Tamilnadu, India
| | - SPalanisamy Dhanabal
- Department of Pharmacognosy and Phytochemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty-643001, Tamilnadu, India
| | - Sivasankaran Ponnusankar
- Department of Pharmacy Practice, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty-643001, Tamilnadu, India.
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Song L, Li C, Wu F, Zhang S. Dietary intake of diosgenin delays aging of male fish Nothobranchius guentheri through modulation of multiple pathways that play prominent roles in ROS production. Biogerontology 2022; 23:201-213. [PMID: 35102470 DOI: 10.1007/s10522-022-09955-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 01/25/2022] [Indexed: 12/01/2022]
Abstract
Oxidative stress including DNA damage, increased lipid and protein oxidation, is an important feature of aging. Diosgenin (DG) has been shown to have diverse biological effects, including amelioration of aging-related cognition deficits, but the anti-aging activity of DG has not been tested before in animal models. In the present study, we clearly demonstrated that dietary intake of DG extended both mean and maximum lifespans of the male fish Nothobranchius guentheri by approximately 3.23 and 3.67 weeks, respectively, reduced the accumulation of lipofuscin (LF) in the gills and senescence-associated-β-galactosidase (SA-β-Gal) in the caudal fins, and lowered the levels of protein oxidation, lipid peroxidation and reactive oxygen species (ROS) in the muscles, indicating that DG possesses rejuvenation and anti-aging property. We also showed that DG enhanced the activity of antioxidant enzymes, including catalase, superoxide dismutase and glutathione peroxidase, promoted the proteolytic activity of the ubiquitin-proteasome pathway, and suppressed the phosphatidylinositol 3-kinase/protein kinase/molecular target of rapamycin (PI3K/AKT/mTOR) signaling pathway. Altogether, this study highlights for the first time the rejuvenation and anti-aging property of the naturally occurring steroidal sapogenin DG. It also suggests that DG exerts its rejuvenation and anti-aging activity through modulation of multiple signaling pathways that play prominent roles in ROS production.
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Affiliation(s)
- Lili Song
- Institute of Evolution & Marine Biodiversity and Department of Marine Biology, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Congjun Li
- Institute of Evolution & Marine Biodiversity and Department of Marine Biology, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Fei Wu
- Institute of Evolution & Marine Biodiversity and Department of Marine Biology, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China
| | - Shicui Zhang
- Institute of Evolution & Marine Biodiversity and Department of Marine Biology, Ocean University of China, 5 Yushan Road, Qingdao, 266003, China. .,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266003, China.
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Hu Z, Wang C, Pan L, Han S, Jin M, Xiang Y, Zheng L, Li Z, Cao R, Qin B. Identification and a phased pH control strategy of diosgenin bio-synthesized by an endogenous Bacillus licheniformis Syt1 derived from Dioscorea zingiberensis C. H. Wright. Appl Microbiol Biotechnol 2021; 105:9333-9342. [PMID: 34841464 DOI: 10.1007/s00253-021-11679-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 10/07/2021] [Accepted: 11/02/2021] [Indexed: 11/28/2022]
Abstract
Diosgenin is widely used as one precursor of steroidal drugs in pharmaceutical industry. Currently, there is no choice but to traditionally extract diosgenin from Dioscorea zingiberensis C. H. Wright (DZW) or other plants. In this work, an environmentally friendly approach, in which diosgenin can be bio-synthesized by the endophytic bacterium Bacillus licheniformis Syt1 isolated from DZW, is proposed. Diosgenin produced by the strain was identified by high-performance liquid chromatography (HPLC), nuclear magnetic resonance (NMR), and Fourier transform infrared spectroscopy (FTIR). The thermal gravimetric analysis (TGA) showed that the melting point of the diosgenin product was 204 °C. The optical rotation measurement exhibited that the optical rotation was α20589 = - 126.1° ± 1.5° (chloroform, c = 1%): negative sign means that the product is left-handed, which is very important to further produce steroid hormone drugs. Cholesterol may be the intermediate product in the diosgenin biosynthesis pathway. In the batch fermentation process to produce diosgenin using the strain, pH values played an important role. A phased pH control strategy from 5.5 to 7.5 was proved to be more effective to improve production yield than any single pH control, which could get the highest diosgenin yield of 85 ± 8.6 mg L-1. The proposed method may replace phyto-chemistry extraction to produce diosgenin in the industry in the future.Key points• An endophytic Bacillus licheniformis Syt1 derived from host can produce diosgenin.• A dynamic pH industrial control strategy is better than any single pH control.• Proposed diosgenin-produced method hopefully replaces phyto-chemistry extraction.
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Affiliation(s)
- Zhongqiu Hu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Chunli Wang
- YangLing Demonstration Zone Hospital, Yangling, Shaanxi, 712100, People's Republic of China
| | - Lintao Pan
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Shiyao Han
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Miao Jin
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Yongsheng Xiang
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Lifei Zheng
- College of Science, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Zhonghong Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Rang Cao
- College of Grassland Agriculture, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China
| | - Baofu Qin
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, People's Republic of China.
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Li G, Li Q, Sun H, Li W. Novel diosgenin-1,4-quinone hybrids: Synthesis, antitumor evaluation, and mechanism studies. J Steroid Biochem Mol Biol 2021; 214:105993. [PMID: 34478831 DOI: 10.1016/j.jsbmb.2021.105993] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 08/21/2021] [Accepted: 08/29/2021] [Indexed: 12/22/2022]
Abstract
In this research, a series of novel diosgenin-1,4-quinone hybrids were synthesized and evaluated in antiproliferative assays against three human cancer cell lines (MCF-7, HepG2, and HeLa). Structure-activity relationship analysis revealed that the activities depended on the type of 1,4-quinone moiety. Among them, hybrid 11a exhibited significant cytotoxicity against the HepG2 cell line with a IC50 of 1.76 μM, which was 35-fold more potent than diosgenin (IC50 = 43.96 μM). Western blot analysis showed that hybrid 11a upregulated Bax, Cl-caspase-3/9, and Cl-PARP levels, and downregulated Bcl-2 level of HepG2 cell line. Meanwhile, hybrid 11a could increase the generation of intracellular reactive oxygen species. The molecular docking study revealed an interaction between hybrid 11a and NQO1 enzyme. Our present studies suggested that hybrid 11a as a potential substrate for NQO1 enzyme could be a promising anticancer agent for further investigation.
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Affiliation(s)
- Guolong Li
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu 211198, China
| | - Qi Li
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu 211198, China
| | - Haopeng Sun
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu 211198, China.
| | - Wei Li
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, Jiangsu 211198, China.
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Mahmoudi N, Kiasalari Z, Rahmani T, Sanaierad A, Afshin-Majd S, Naderi G, Baluchnejadmojarad T, Roghani M. Diosgenin Attenuates Cognitive Impairment in Streptozotocin-Induced Diabetic Rats: Underlying Mechanisms. Neuropsychobiology 2021; 80:25-35. [PMID: 32526752 DOI: 10.1159/000507398] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 03/19/2020] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Prolonged diabetes mellitus causes impairments of cognition and attentional dysfunctions. Diosgenin belongs to a group of steroidal saponins with reported anti-diabetic and numerous protective properties. This research aimed to assess the effect of diosgenin on beneficially ameliorating learning and memory decline in a rat model of type 1 diabetes caused by streptozotocin (STZ) and to explore its modes of action including involvement in oxidative stress and inflammation. METHODS Rats were assigned to one of four experimental groups, comprising control, control under treatment with diosgenin, diabetic, and diabetic under treatment with diosgenin. Diosgenin was given daily p.o. (40 mg/kg) for 5 weeks. RESULTS The administration of diosgenin to the diabetic group reduced the deficits of functional performance in behavioral tests, consisting of Y-maze, passive avoidance, radial arm maze, and novel object discrimination tasks (recognitive). Furthermore, diosgenin treatment attenuated hippocampal acetylcholinesterase activity and malon-dialdehyde, along with improvement of antioxidants such as superoxide dismutase and glutathione. Meanwhile, the hippocampal levels of inflammatory indicators, namely interleukin 6, nuclear factor-κB, toll-like receptor 4, tumor necrosis factor α, and astrocyte-specific biomarker glial fibrillary acidic protein, were lower and, on the other hand, tissue levels of nuclear factor (erythroid-derived 2)-related factor 2 were elevated upon diosgenin administration. Besides, the mushroom-like spines of the pyramidal neurons of the hippocampal CA1 area decreased in the diabetic group, and this was alleviated following diosgenin medication. CONCLUSIONS Taken together, diosgenin is capable of ameliorating cognitive deficits in STZ-diabetic animals, partly due to its amelioration of oxidative stress, inflammation, astrogliosis, and possibly improvement of cholinergic function in addition to its neuroprotective potential.
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Affiliation(s)
- Narges Mahmoudi
- Department of Physiology, School of Medicine, Shahed University, Tehran, Iran
| | - Zahra Kiasalari
- Neurophysiology Research Center, Shahed University, Tehran, Iran
| | - Tayebeh Rahmani
- Department of Physiology, School of Medicine, Shahed University, Tehran, Iran
| | - Ashkan Sanaierad
- Department of Physiology, School of Medicine, Shahed University, Tehran, Iran
| | | | - Gholamali Naderi
- Department of Biochemistry, School of Medicine, Shahed University, Tehran, Iran
| | | | - Mehrdad Roghani
- Neurophysiology Research Center, Shahed University, Tehran, Iran,
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