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Ren F, Ma Y, Zhang K, Luo Y, Pan R, Zhang J, Kan C, Hou N, Han F, Sun X. Exploring the multi-targeting phytoestrogen potential of Calycosin for cancer treatment: A review. Medicine (Baltimore) 2024; 103:e38023. [PMID: 38701310 PMCID: PMC11062656 DOI: 10.1097/md.0000000000038023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 04/05/2024] [Indexed: 05/05/2024] Open
Abstract
Cancer remains a significant challenge in the field of oncology, with the search for novel and effective treatments ongoing. Calycosin (CA), a phytoestrogen derived from traditional Chinese medicine, has garnered attention as a promising candidate. With its high targeting and low toxicity profile, CA has demonstrated medicinal potential across various diseases, including cancers, inflammation, and cardiovascular disease. Studies have revealed that CA possesses inhibitory effects against a diverse array of cancers. The underlying mechanism of action involves a reduction in tumor cell proliferation, induction of tumor cell apoptosis, and suppression of tumor cell migration and invasion. Furthermore, CA has been shown to enhance the efficacy of certain chemotherapeutic drugs, making it a potential component in treating malignant tumors. Given its high efficacy, low toxicity, and multi-targeting characteristics, CA holds considerable promise as a therapeutic agent for cancer treatment. The objective of this review is to present a synthesis of the current understanding of the antitumor mechanism of CA and its research progress.
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Affiliation(s)
- Fangbing Ren
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China
- Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
- Department of Pathology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Yanhui Ma
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China
- Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
- Department of Pathology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Kexin Zhang
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China
- Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Youhong Luo
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China
- Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Ruiyan Pan
- School of Pharmacy, Weifang Medical University, Weifang, China
| | - Jingwen Zhang
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China
- Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Chengxia Kan
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China
- Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Ningning Hou
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China
- Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Fang Han
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China
- Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
- Department of Pathology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Xiaodong Sun
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China
- Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
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Sohel M, Zahra Shova FT, shuvo S, Mahjabin T, Mojnu Mia M, Halder D, Islam H, Roman Mogal M, Biswas P, Saha HR, Sarkar BC, Mamun AA. Unveiling the potential anti-cancer activity of calycosin against multivarious cancers with molecular insights: A promising frontier in cancer research. Cancer Med 2024; 13:e6924. [PMID: 38230908 PMCID: PMC10905684 DOI: 10.1002/cam4.6924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 12/11/2023] [Accepted: 12/30/2023] [Indexed: 01/18/2024] Open
Abstract
BACKGROUND Calycosin may be a potential candidate regarding chemotherapeutic agent, because already some studies against multivarious cancer have been made with this natural compound. AIM This review elucidated a brief overview of previous studies on calycosin potential effects on various cancers and its potential mechanism of action. METHODOLOGY Data retrieved by systematic searches of Google Scholar, PubMed, Science Direct, Web of Science, and Scopus by using keywords including calycosin, cancer types, anti-cancer mechanism, synergistic, and pharmacokinetic and commonly used tools are BioRender, ChemDraw Professional 16.0, and ADMETlab 2.0. RESULTS Based on our review, calycosin is available in nature and effective against around 15 different types of cancer. Generally, the anti-cancer mechanism of this compound is mediated through a variety of processes, including regulation of apoptotic pathways, cell cycle, angiogenesis and metastasis, oncogenes, enzymatic pathways, and signal transduction process. These study conducted in various study models, including in silico, in vitro, preclinical and clinical models. The molecular framework behind the anti-cancer effect is targeting some oncogenic and therapeutic proteins and multiple signaling cascades. Therapies based on nano-formulated calycosin may make excellent nanocarriers for the delivery of this compound to targeted tissue as well as particular organ. This natural compound becomes very effective when combined with other natural compounds and some standard drugs. Moreover, proper use of this compound can reverse resistance to existing anti-cancer drugs through a variety of strategies. Calycosin showed better pharmacokinetic properties with less toxicity in human bodies. CONCLUSION Calycosin exhibits excellent potential as a therapeutic drug against several cancer types and should be consumed until standard chemotherapeutics are available in pharma markets.
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Affiliation(s)
- Md Sohel
- Biochemistry and Molecular BiologyPrimeasia UniversityDhakaBangladesh
- Biochemistry and Molecular BiologyMawlana Bhashani Science and Technology UniversityTangailBangladesh
| | - Fatema Tuj Zahra Shova
- Biotechnology and Genetic EngineeringMawlana Bhashani Science and Technology UniversityTangailBangladesh
| | - Shahporan shuvo
- Biochemistry and Molecular BiologyMawlana Bhashani Science and Technology UniversityTangailBangladesh
| | - Taiyara Mahjabin
- Biochemistry and Molecular BiologyMawlana Bhashani Science and Technology UniversityTangailBangladesh
| | - Md. Mojnu Mia
- Biotechnology and Genetic EngineeringMawlana Bhashani Science and Technology UniversityTangailBangladesh
| | - Dibyendu Halder
- Biochemistry and Molecular BiologyMawlana Bhashani Science and Technology UniversityTangailBangladesh
| | - Hafizul Islam
- Biochemistry and Molecular BiologyMawlana Bhashani Science and Technology UniversityTangailBangladesh
| | - Md Roman Mogal
- Biochemistry and Molecular BiologyMawlana Bhashani Science and Technology UniversityTangailBangladesh
| | - Partha Biswas
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Science and TechnologyJashore University of Science and Technology (JUST)JashoreBangladesh
| | - Hasi Rani Saha
- Biochemistry and Molecular BiologyPrimeasia UniversityDhakaBangladesh
| | | | - Abdullah Al Mamun
- Biochemistry and Molecular BiologyMawlana Bhashani Science and Technology UniversityTangailBangladesh
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Shan J, Chang LY, Li DJ, Wang XQ. Rab27b promotes endometriosis by enhancing invasiveness of ESCs and promoting angiogenesis. Am J Reprod Immunol 2023; 90:e13762. [PMID: 37641372 DOI: 10.1111/aji.13762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 05/26/2023] [Accepted: 06/22/2023] [Indexed: 08/31/2023] Open
Abstract
PROBLEM Endometriosis (EMS) is an estrogen-dependent disease which is characterized with estrogen-dependent growth of ectopic endometrium and increased local estrogen production. EMS performs tumor-like biological functions such as invasiveness and angiogenesis. Rab27b is a member of the Rab family of GTPases, which is strongly associated with the growth, invasion and metastasis of a variety of tumors. However, little is known about the function of Rab27b in EMS. In this study, we intended to investigate the impact of Rab27b and its downstream molecule in the development of EMS. METHOD OF STUDY Normal endometrium and endometriotic lesions were collected to investigate the expression levels of Rab27b. Then, ESCs were transfected with Rab27b siRNA. We analyzed the influence of Rab27b on the proliferation and invasive activity of ESCs. Conditioned media harvested from Rab27b siRNA-treated ESCs were used to treat HUVECs. HUVEC Tube formation and ELISA were performed to explored the interactions between ESCs and HUVEC. In addition, ESCs were treated with different concentrations of estrogen. Based on biological database predictions, we explored possible mechanisms through which estrogen regulates the expression of Rab27b. RESULTS The expressions of Rab27b were significantly higher in endometriotic lesions than that in normal endometrium. Rab27b can promote the cell proliferation, migration and invasion of ESCs. The elevated expression of Rab27b, on the one hand, promotes the secretion of MMP9 and increases the invasiveness of ESCs. On the other hand, Rab27b may play a key role in the communication between ESC and endothelial cells, by simulating VEGF secretion and neovascularization. Besides, estrogen upregulated phosphorylated FOXO1 levels in ectopic ESCs, resulting in the promotion of Rab27b expression levels. CONCLUSION Rab27b plays a key role in the development of EMS, which may provide new insights into the pathogenesis of EMS. Our findings may also contribute to the development of therapeutic interventions for EMS.
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Affiliation(s)
- Jing Shan
- Hospital of Obstetrics and Gynecology, Fudan University, Shanghai Medical College, Shanghai, China
- Department of Gynecology of Traditional Chinese Medicine, International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ling-Yu Chang
- Hospital of Obstetrics and Gynecology, Fudan University, Shanghai Medical College, Shanghai, China
| | - Da-Jin Li
- Hospital of Obstetrics and Gynecology, Fudan University, Shanghai Medical College, Shanghai, China
- Department of Obstetrics and Gynecology, Hainan Medical College Affiliated Hospital, Haikou, China
| | - Xiao-Qiu Wang
- Hospital of Obstetrics and Gynecology, Fudan University, Shanghai Medical College, Shanghai, China
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Sung WJ, Hong J. Targeting lncRNAs of colorectal cancers with natural products. Front Pharmacol 2023; 13:1050032. [PMID: 36699052 PMCID: PMC9868597 DOI: 10.3389/fphar.2022.1050032] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 12/22/2022] [Indexed: 01/11/2023] Open
Abstract
Non-coding RNA (ncRNA) is one of the functional classes of RNA that has a regulatory role in various cellular processes, such as modulation of disease onset, progression, and prognosis. ncRNAs, such as microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs), have been actively studied in recent years. The change in ncRNA levels is being actively studied in numerous human diseases, especially auto-immune disorders and cancers; however, targeting and regulating ncRNA with natural products to cure cancer has not been fully established. Recently many groups reported the relationship between ncRNA and natural products showing promising effects to serve as additional therapeutic approaches to cure cancers. This mini-review summarizes the aspects of lncRNAs related to cancer biology focusing on colorectal cancers that natural products can target.
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Affiliation(s)
- Woo Jung Sung
- Department of Pathology, Daegu Catholic University School of Medicine, Daegu, South Korea
| | - Jaewoo Hong
- Department of Physiology, Daegu Catholic University School of Medicine, Daegu, South Korea,*Correspondence: Jaewoo Hong,
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Mitra S, Dash R, Sohel M, Chowdhury A, Munni YA, Ali C, Hannan MA, Islam T, Moon IS. Targeting Estrogen Signaling in the Radiation-induced Neurodegeneration: A Possible Role of Phytoestrogens. Curr Neuropharmacol 2023; 21:353-379. [PMID: 35272592 PMCID: PMC10190149 DOI: 10.2174/1570159x20666220310115004] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/01/2022] [Accepted: 03/06/2022] [Indexed: 11/22/2022] Open
Abstract
Radiation for medical use is a well-established therapeutic method with an excellent prognosis rate for various cancer treatments. Unfortunately, a high dose of radiation therapy comes with its own share of side effects, causing radiation-induced non-specific cellular toxicity; consequently, a large percentage of treated patients suffer from chronic effects during the treatment and even after the post-treatment. Accumulating data evidenced that radiation exposure to the brain can alter the diverse cognitive-related signaling and cause progressive neurodegeneration in patients because of elevated oxidative stress, neuroinflammation, and loss of neurogenesis. Epidemiological studies suggested the beneficial effect of hormonal therapy using estrogen in slowing down the progression of various neuropathologies. Despite its primary function as a sex hormone, estrogen is also renowned for its neuroprotective activity and could manage radiation-induced side effects as it regulates many hallmarks of neurodegenerations. Thus, treatment with estrogen and estrogen-like molecules or modulators, including phytoestrogens, might be a potential approach capable of neuroprotection in radiation-induced brain degeneration. This review summarized the molecular mechanisms of radiation effects and estrogen signaling in the manifestation of neurodegeneration and highlighted the current evidence on the phytoestrogen mediated protective effect against radiationinduced brain injury. This existing knowledge points towards a new area to expand to identify the possible alternative therapy that can be taken with radiation therapy as adjuvants to improve patients' quality of life with compromised cognitive function.
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Affiliation(s)
- Sarmistha Mitra
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju38066, Republic of Korea
| | - Raju Dash
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju38066, Republic of Korea
| | - Md. Sohel
- Department of Biochemistry and Molecular Biology, Mawlana Bhashani Science and Technology University, Santosh, Tangail-1902, Bangladesh
| | - Apusi Chowdhury
- Department of Pharmaceutical Science, North-South University, Dhaka-12 29, Bangladesh
| | - Yeasmin Akter Munni
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju38066, Republic of Korea
| | - Chayan Ali
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala SE-751 08, Sweden
| | - Md. Abdul Hannan
- Department of Biochemistry and Molecular Biology, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
| | - Tofazzal Islam
- Institute of Biotechnology and Genetic Engineering (IBGE), Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, Bangladesh
| | - Il Soo Moon
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju38066, Republic of Korea
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He DN, Wang N, Wen XL, Li XH, Guo Y, Fu SH, Xiong FF, Wu ZY, Zhu X, Gao XL, Wang ZZ, Wang HJ. Multi-omics analysis reveals a molecular landscape of the early recurrence and early metastasis in pan-cancer. Front Genet 2023; 14:1061364. [PMID: 37152984 PMCID: PMC10157260 DOI: 10.3389/fgene.2023.1061364] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 04/03/2023] [Indexed: 05/09/2023] Open
Abstract
Cancer remains a formidable challenge in medicine due to its propensity for recurrence and metastasis, which can result in unfavorable treatment outcomes. This challenge is particularly acute for early-stage patients, who may experience recurrence and metastasis without timely detection. Here, we first analyzed the differences in clinical characteristics among the primary tumor, recurrent tumor, and metastatic tumor in different stages of cancer, which may be caused by the molecular level. Moreover, the importance of predicting early cancer recurrence and metastasis is emphasized by survival analyses. Next, we used a multi-omics approach to identify key molecular changes associated with early cancer recurrence and metastasis and discovered that early metastasis in cancer demonstrated a high degree of genomic and cellular heterogeneity. We performed statistical comparisons for each level of omics data including gene expression, mutation, copy number variation, immune cell infiltration, and cell status. Then, various analytical techniques, such as proportional hazard model and Fisher's exact test, were used to identify specific genes or immune characteristics associated with early cancer recurrence and metastasis. For example, we observed that the overexpression of BPIFB1 and high initial B-cell infiltration levels are linked to early cancer recurrence, while the overexpression or amplification of ANKRD22 and LIPM, mutation of IGHA1 and MUC16, high fibroblast infiltration level, M1 polarization of macrophages, cellular status of DNA repair are all linked to early cancer metastasis. These findings have led us to construct classifiers, and the average area under the curve (AUC) of these classifiers was greater than 0.75 in The Cancer Genome Atlas (TCGA) cancer patients, confirming that the features we identified could be biomarkers for predicting recurrence and metastasis of early cancer. Finally, we identified specific early sensitive targets for targeted therapy and immune checkpoint inhibitor therapy. Once the biomarkers we identified changed, treatment-sensitive targets can be treated accordingly. Our study has comprehensively characterized the multi-omics characteristics and identified a panel of biomarkers of early cancer recurrence and metastasis. Overall, it provides a valuable resource for cancer recurrence and metastasis research and improves our understanding of the underlying mechanisms driving early cancer recurrence and metastasis.
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Affiliation(s)
- Dan-ni He
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Na Wang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
- College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
| | - Xiao-Ling Wen
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
- College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
| | - Xu-Hua Li
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
- College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
| | - Yu Guo
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
- College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
| | - Shu-heng Fu
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
- College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
| | - Fei-fan Xiong
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
- College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
| | - Zhe-yu Wu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Xu Zhu
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
- College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
| | - Xiao-ling Gao
- The Medical Laboratory Center, Hainan General Hospital, Haikou, China
- *Correspondence: Hong-jiu Wang, ; Zhen-zhen Wang, ; Xiao-ling Gao,
| | - Zhen-zhen Wang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
- College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
- *Correspondence: Hong-jiu Wang, ; Zhen-zhen Wang, ; Xiao-ling Gao,
| | - Hong-jiu Wang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
- College of Biomedical Information and Engineering, Hainan Medical University, Haikou, China
- *Correspondence: Hong-jiu Wang, ; Zhen-zhen Wang, ; Xiao-ling Gao,
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Li S, Li J, Fan Y, Huang T, Zhou Y, Fan H, Zhang Q, Qiu R. The mechanism of formononetin/calycosin compound optimizing the effects of temozolomide on C6 malignant glioma based on metabolomics and network pharmacology. Biomed Pharmacother 2022; 153:113418. [PMID: 36076540 DOI: 10.1016/j.biopha.2022.113418] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 06/28/2022] [Accepted: 07/13/2022] [Indexed: 12/30/2022] Open
Abstract
The complex of formononetin and calycosin (FMN/CAL) shows a synergistic effect on temozolomide in the treatment of malignant glioma, however the mechanism is unclear. We investigated the mechanism through means of metabolomics, network pharmacology and molecular biology. FMN/CAL enhanced the inhibition of TMZ on the growth and infiltration of C6 glioma. The metabolomic results showed that the TMZ sensitization of FMN/CAL mainly involved 5 metabolic pathways and 4 metabolites in cells, 1 metabolic pathway and 2 metabolites in tumor tissues, and 7 metabolic pathways and 8 metabolites in serum. Further network pharmacological analysis revealed that NOS2 was a potential target for FMN/CAL to regulate the metabolism in TMZ-treated C6 glioma cells, serums and tissues, and TNF-α was another potential target identified in tissues. FMN/CAL down-regulated the expression of NOS2 in tumor cells and tissues, and reduced the secretion of TNF-α in tumor region. FMN/CAL promoted TMZ-induced C6 cell apoptosis by inhibiting NOS2, but the inhibition of cell vitality and migration was not through NOS2. Our work revealed that FMN/CAL can increase the sensitivity of malignant glioma to TMZ by inhibiting NOS2-dependent cell survival, which provides a basis for the application of this combination in adjuvant treatment of glioma.
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Affiliation(s)
- Songya Li
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, China
| | - Jiayi Li
- Medical Insurance Office, SIR RUN RUN Hospital Nanjing Medical University, Nanjing, Jiangsu 211100, China
| | - Yani Fan
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, China
| | - Tao Huang
- College of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu 210000, China
| | - Yanfen Zhou
- College of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu 210000, China
| | - Hongwei Fan
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, China.
| | - Qi Zhang
- College of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu 210000, China.
| | - Runze Qiu
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, China.
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Meng C, Huang L, Fu X, Wu B, Lin L. RAB27B inhibits proliferation and promotes apoptosis of leukemic cells via 3-Hydroxy butyrate dehydrogenase 2 (BDH2). Bioengineered 2022; 13:5103-5112. [PMID: 35164665 PMCID: PMC8973736 DOI: 10.1080/21655979.2022.2036903] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
RAB27B is a member of Ras-like small GTPases that plays a role in endocytosis, exocytosis, and vesicle trafficking. We made an attempt to study the impacts of RAB27B on the proliferation and apoptosis of acute myeloid leukemia (AML) cells. The silencing of RAB27B was induced by siRNA for the detection of proliferation, cell cycle, and apoptosis, respectively by Cell Counting Kit-8 (CCK8), flow cytometry, and TUNEL. Related markers were also evaluated by Western blot analysis. The interaction between RAB27B and BDH2 was predicted by bioinformatics analysis and determined by immunoprecipitation. The gain of function of BDH2 was also detected by these functional assays. RAB27B exhibited high levels in AML cells, and RAB27B silencing led to reduced proliferation, increased cell cycle arrest and apoptosis levels. Then, the interaction between RAB27B and BDH2 was confirmed. Moreover, the effects of RAB27B inhibition on the proliferation, cell cycle arrest, and cell apoptosis were abolished after BDH2 overexpression. RAB27B inhibits proliferation and promotes apoptosis of leukemic cells by interacting with BDH2. Targeting RAB27B might be an effective method for the treatment of AML.
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Affiliation(s)
- Can Meng
- Department of Hematology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou City, Hainan, China
| | - Li Huang
- Department of Hematology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou City, Hainan, China
| | - Xiangjun Fu
- Department of Hematology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou City, Hainan, China
| | - Bin Wu
- Department of Hematology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou City, Hainan, China
| | - Lie Lin
- Department of Hematology, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou City, Hainan, China
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Homayoonfal M, Asemi Z, Yousefi B. Targeting long non coding RNA by natural products: Implications for cancer therapy. Crit Rev Food Sci Nutr 2021:1-29. [PMID: 34783279 DOI: 10.1080/10408398.2021.2001785] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In spite of achieving substantial progress in its therapeutic strategies, cancer-associated prevalence and mortality are persistently rising globally. However, most malignant cancers either cannot be adequately diagnosed at the primary phase or resist against multiple treatments such as chemotherapy, surgery, radiotherapy as well as targeting therapy. In recent decades, overwhelming evidences have provided more convincing words on the undeniable roles of long non-coding RNAs (lncRNAs) in incidence and development of various cancer types. Recently, phytochemical and nutraceutical compounds have received a great deal of attention due to their inhibitory and stimulatory effects on oncogenic and tumor suppressor lncRNAs respectively that finally may lead to attenuate various processes of cancer cells such as growth, proliferation, metastasis and invasion. Therefore, application of phytochemicals with anticancer characteristics can be considered as an innovative approach for treating cancer and increasing the sensitivity of cancer cells to standard prevailing therapies. The purpose of this review was to investigate the effect of various phytochemicals on regulation of lncRNAs in different human cancer and evaluate their capabilities for cancer treatment and prevention.
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Affiliation(s)
- Mina Homayoonfal
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, I.R. Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, I.R. Iran
| | - Bahman Yousefi
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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He L, Pan X, Wang X, Cao Y, Chen P, Du C, Huang D. Rab6c is a new target of miR‑218 that can promote the progression of bladder cancer. Mol Med Rep 2021; 24:792. [PMID: 34515321 DOI: 10.3892/mmr.2021.12432] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 07/08/2021] [Indexed: 11/05/2022] Open
Abstract
Bladder cancer has high morbidity and mortality rates among the male genitourinary system tumor types. MicroRNA‑218 (miR‑218) is associated with the development of a variety of cancer types, including bladder cancer. Rab6c is a member of the Rab family and is involved in drug resistance in MCF7 cells. The aim of the present study was to clarify the relationship between Rab6c and miR‑218 in bladder cancer cell lines. In this study, the expression levels of miR‑218 and Rab6c were evaluated via reverse transcription‑quantitative PCR and western blotting, respectively. The association between Rab6c and miR‑218 was recognized via TargetScan analysis and dual luciferase reporter gene detection. Cell proliferation was analyzed using Cell Counting Kit‑8 and colony formation assays, and the invasive ability was measured via Transwell assays. Rab6c was highly expressed in bladder cancer, while miR‑218 had abnormally low expression in bladder cancer. In addition, there was a mutual regulation between Rab6c and miR‑218 in bladder cancer. It was found that overexpression of Rab6c significantly enhanced the proliferation, colony formation and invasion of T24 and EJ cells. Furthermore, miR‑218 overexpression blocked the promoting effects of Rab6c on the malignant behavior of bladder cancer cells. Thus, Rab6c promotes the proliferation and invasion of bladder cancer cells, while miR‑218 has the opposite effect, which may provide a novel insight for the treatment of bladder cancer.
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Affiliation(s)
- Long He
- Department of Urology, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu 225003, P.R. China
| | - Xiang Pan
- Department of Urology, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu 225003, P.R. China
| | - Xialu Wang
- Key Laboratory of Pattern Recognition in Liaoning, School of Medical Devices, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, P.R. China
| | - Yuhua Cao
- Department of The Second Cadre Ward, General Hospital of Northern Theater Command, National Center for Clinical Research of Geriatric Diseases, Shenyang, Liaoning 157099, P.R. China
| | - Peng Chen
- Department of Urology, General Hospital of Northern Theater Command, Shenyang, Liaoning 110013, P.R. China
| | - Cheng Du
- Department of Oncology, General Hospital of Northern Theater Command, Shenyang, Liaoning 110013, P.R. China
| | - Daifa Huang
- Department of The Second Cadre Ward, General Hospital of Northern Theater Command, National Center for Clinical Research of Geriatric Diseases, Shenyang, Liaoning 157099, P.R. China
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11
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Calycosin attenuates pulmonary fibrosis by the epithelial-mesenchymal transition repression upon inhibiting the AKT/GSK3β/β-catenin signaling pathway. Acta Histochem 2021; 123:151746. [PMID: 34217047 DOI: 10.1016/j.acthis.2021.151746] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 06/16/2021] [Accepted: 06/21/2021] [Indexed: 11/23/2022]
Abstract
The precise etiology and pathogenesis of idiopathic pulmonary fibrosis are not completely understood, and no satisfactory treatment exists. This work aimed to examine the effects of calycosin (CA, an isoflavone compound) on pulmonary fibrosis (PF) and explore the underlying mechanism. In this study, we established a mice model of PF induced by 5 mg/mL bleomycin (BLM), and mice were orally administrated with 7 mg/kg or 14 mg/kg CA once a day for three weeks. In vitro, after pretreated with 80 μM CA, MLE-12 cells were stimulated with 10 ng/mL transforming growth factor-β1 (TGF-β1) for inducing epithelial-mesenchymal transition (EMT). The results showed that CA treatment ameliorated the severity of fibrosis and the lung tissue damage, as well as suppressed the secretion of inflammation factors in a dose-dependent manner of the PF mice model induced by BLM. Subsequently, CA inhibited the BLM-induced PF progression by repressing EMT, evidenced by the reverse of the downregulation of E-cadherin and the upregulation of vimentin, α-SMA, and fibronectin. Moreover, the elevated phosphorylation of AKT and GSK3β induced by BLM (or TGF-β1) was decreased by CA treatment, leading to the rescue of the high expression of β-catenin. CA prevented the translocation of β-catenin from the cytoplasm to the nucleus. The repressed effects of CA on the TGF-β1-induced EMT and the AKT/GSK3β/β-catenin axis, as well as the translocation of β-catenin were all reversed by a AKT activator SC79. Taken together, CA ameliorated PF by the EMT inhibition upon suppressing the AKT/GSK3β/β-catenin signaling pathway.
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12
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Zhang Z, Lin M, Wang J, Yang F, Yang P, Liu Y, Chen Z, Zheng Y. Calycosin inhibits breast cancer cell migration and invasion by suppressing EMT via BATF/TGF-β1. Aging (Albany NY) 2021; 13:16009-16023. [PMID: 34096887 PMCID: PMC8266341 DOI: 10.18632/aging.203093] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 04/29/2021] [Indexed: 12/16/2022]
Abstract
In this study, we investigated the effects of calycosin on breast cancer cell progression and their underlying mechanisms. Calycosin dose- and time-dependently inhibited proliferation, migration, and invasion by T47D and MCF-7 breast cancer cells by downregulating basic leucine zipper ATF-like transcription factor (BATF) expression. Moreover, BATF promoted breast cancer cell migration and invasiveness by increasing TGFβ1 mRNA and protein levels. Bioinformatics analysis, dual luciferase reporter assays, and chromatin immunoprecipitation assays confirmed the presence of BATF-binding sites in the promoter sequence of TGFβ1 gene. Calycosin treatment inhibited epithelial-mesenchymal transition (EMT) of breast cancer cells by significantly increasing E-cadherin levels and decreasing N-cadherin, Vimentin, CD147, MMP-2, and MMP-9 levels through downregulation of BATF and TGFβ1. TGFβ1 knockdown reduced the migration and invasiveness of BATF-overexpressing breast cancer cells, whereas incubation with TGFβ1 enhanced the migration and invasiveness of calycosin-treated breast cancer cells. Our findings demonstrated that calycosin inhibited EMT and progression of breast cancer cells by suppressing BATF/TGFβ1 signaling. This suggests calycosin would be a promising therapeutic option for breast cancer patients.
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Affiliation(s)
- Zhenxia Zhang
- School of Life Sciences and Food Engineering, Hanshan Normal University, Chaozhou 521041, Guangdong, China
| | - Min Lin
- School of Life Sciences and Food Engineering, Hanshan Normal University, Chaozhou 521041, Guangdong, China
| | - Junli Wang
- Center of Reproductive Medicine, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise 533000, Guangxi, China
| | - Fenglian Yang
- School of Pharmacy, Youjiang Medical University for Nationalities, Baise 533000, Guangxi, China
| | - Peikui Yang
- School of Life Sciences and Food Engineering, Hanshan Normal University, Chaozhou 521041, Guangdong, China
| | - Yaqun Liu
- School of Life Sciences and Food Engineering, Hanshan Normal University, Chaozhou 521041, Guangdong, China
| | - Zikai Chen
- School of Life Sciences and Food Engineering, Hanshan Normal University, Chaozhou 521041, Guangdong, China
| | - Yuzhong Zheng
- School of Life Sciences and Food Engineering, Hanshan Normal University, Chaozhou 521041, Guangdong, China
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13
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Gong G, Zheng Y, Yang Y, Sui Y, Wen Z. Pharmaceutical Values of Calycosin: One Type of Flavonoid Isolated from Astragalus. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2021; 2021:9952578. [PMID: 34035829 PMCID: PMC8121564 DOI: 10.1155/2021/9952578] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/21/2021] [Accepted: 04/29/2021] [Indexed: 11/25/2022]
Abstract
Astragalus is a popular Materia Medica in China, and it could be applied in the treatment of various diseases. It contains a variety of chemically active ingredients, such as saponins, flavonoids, and polysaccharides. Plant-derived bioactive chemicals are considered natural, safe, and beneficial. Among the infinite plant-identified and isolated molecules, flavonoids have been reported to have positive effects on human health. Calycosin is the most important active flavonoid substance identified predominantly within this medicinal plant. In recent years, calycosin has been reported to have anticancer, antioxidative, immune-modulatory, and estrogenic-like properties. This review collected recent relevant literatures on calycosin and summarized its potential pharmaceutical properties and working mechanism involved, which provided solid basis for future clinical research.
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Affiliation(s)
- Guowei Gong
- Department of Bioengineering, Zunyi Medical University, Zhuhai Campus, Zhuhai, Guangdong 519041, China
| | - Yuzhong Zheng
- Guangdong Key Laboratory for Functional Substances in Medicinal Edible Resources and Healthcare Products, School of Life Sciences and Food Engineering, Hanshan Normal University, Chaozhou, Guangdong 521041, China
| | - Yang Yang
- Department of Bioengineering, Zunyi Medical University, Zhuhai Campus, Zhuhai, Guangdong 519041, China
| | - Yixuan Sui
- Department of Neuroscience, City University of Hong Kong, Hong Kong 999077, China
| | - Zhen Wen
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
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Deng M, Chen H, Long J, Song J, Xie L, Li X. Calycosin: a Review of its Pharmacological Effects and Application Prospects. Expert Rev Anti Infect Ther 2020; 19:911-925. [PMID: 33346681 DOI: 10.1080/14787210.2021.1863145] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Introduction: Calycosin (CA), a typical phytoestrogen extracted from root of Astragalus membranaceus. On the basis of summarizing the pharmacological and pharmacokinetic studies of CA in recent years, we hope to provide useful information for CA about treating different diseases and to make suggestions for future research.Areas covered: We collected relevant information (January 2014 to March 2020) on CA via the Internet database. Keywords searched includ pharmacology, pharmacokinetics and toxicology, and the number of effective references was 118. CA is a phytoestrogen with wide range of pharmacological activities. By affecting PI3K/Akt/mTOR, WDR7-7-GPR30, Rab27B-β-catenin-VEGF, etc. signaling pathway, CA showed the effect of anticancer, anti-inflammatory, anti-osteoporosis, neuroprotection, hepatoprotection, etc. Therefore, CA is prospective to be used in the treatment of many diseases.Expert opinion: Research shows that CA has a therapeutic effect on a variety of diseases. We think CA is a promising natural medicine. Therefore, we propose that the research directions of CA in the future include the following. Carrying out clinical research trials in order to find the most suitable medicinal concentration for different diseases; Exploring the synergistic mechanism of CA in combination with other drugs; Exploring ways to increase the blood circulation concentration of CA.
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Affiliation(s)
- Mao Deng
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China
| | - Huijuan Chen
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China
| | - Jiaying Long
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China
| | - Jiawen Song
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China
| | - Long Xie
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China
| | - Xiaofang Li
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, PR China
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15
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Tian W, Wang ZW, Yuan BM, Bao YG. Calycosin induces apoptosis via p38‑MAPK pathway‑mediated activation of the mitochondrial apoptotic pathway in human osteosarcoma 143B cells. Mol Med Rep 2020; 22:3962-3968. [PMID: 32901836 PMCID: PMC7533496 DOI: 10.3892/mmr.2020.11471] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 07/28/2020] [Indexed: 12/30/2022] Open
Abstract
Previous studies have demonstrated that calycosin is a natural phytoestrogen with a similar structure to estrogen, which can inhibit cell proliferation and induce apoptosis in a variety of tumors. Calycosin exerts potential pharmacological effects on osteosarcoma cells by inducing apoptosis. The aim of the present study was to elucidate the specific molecular mechanism of calycosin-induced apoptosis in osteosarcoma cells. Cell proliferation was determined by an MTT assay. Annexin V/PI and JC-1 staining were used to detect apoptosis and mitochondrial dysfunction, respectively, by flow cytometry. Western blot analysis was used to detect the expression of caspases or mitochondrial proteins. The results revealed that calycosin reduced the cell viability of human osteosarcoma 143B cells, induced apoptosis and increased the loss of mitochondrial membrane potential (MMP). In addition, calycosin increased the expression of the proapoptotic antiapoptotic proteins cleaved caspase-3, cleaved caspase-9, cleaved poly(ADP-ribose) polymerase and Bcl-2-associated X protein (Bax), and decreased the expression of the antiapoptotic proapoptotic protein B-cell lymphoma-2 (Bcl-2), thus altering the Bax/Bcl-2 ratio. In addition, the expression levels of cytochrome c were markedly decreased in the mitochondria and increased in the cytoplasm following calycosin treatment. Furthermore, calycosin treatment induced p38-mitogen-activated protein kinase (MAPK) phosphorylation, whereas the p38-MAPK inhibitor BIRB 796 markedly reversed cell viability, apoptosis and loss of MMP in 143B cells. These results suggested that calycosin inhibited osteosarcoma 143B cell growth via p38-MAPK regulation of mitochondrial-dependent intrinsic apoptotic pathways.
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Affiliation(s)
- Wei Tian
- Department of Orthopedics, Affiliated Hospital of Inner Mongolia University for The Nationalities, Tongliao, Inner Mongolia 028007, P.R. China
| | - Zhi-Wei Wang
- Department of Orthopedics, Affiliated Hospital of Inner Mongolia University for The Nationalities, Tongliao, Inner Mongolia 028007, P.R. China
| | - Bao-Ming Yuan
- Department of Orthopedics, Affiliated Hospital of Inner Mongolia University for The Nationalities, Tongliao, Inner Mongolia 028007, P.R. China
| | - Yong-Ge Bao
- Department of Orthopedics, Affiliated Hospital of Inner Mongolia University for The Nationalities, Tongliao, Inner Mongolia 028007, P.R. China
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Li Y, Duan B, Li Y, Yu S, Wang Y. The isoflavonoid calycosin inhibits inflammation and enhances beta cell function in gestational diabetes mellitus by suppressing RNF38 expression. Immunopharmacol Immunotoxicol 2020; 42:366-372. [PMID: 32538204 DOI: 10.1080/08923973.2020.1782426] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Gestational diabetes mellitus (GDM) is a medical complication and metabolic disorder associated with pregnancy. Calycosin is a traditional Chinese herbal medicine that is used for the treatment of multiple diseases. This study focused on exploring the effects and underlying mechanisms of Calycosin on GDM. METHODS The db/+ diabetic mice model of GDM was used to evaluate the effects of calycosin administration on the symptoms of GDM mice. Blood glucose, cytokine production (interleukin 6, IL-6; tumor necrosis factor-α, TNF-α), and insulin levels were measured by ELISA assay. The expression level of signal transducer and activator of transcription 3 (STAT3), ring finger protein 38 (RNF38), and SH2-containing protein tyrosine phosphatase 1 (SHP-1) were determined by Western Blot assay. Beta cell proliferation was assessed by CCK-8 assay. RESULTS Our data indicated that administration of calycosin significantly improved the GDM symptoms in pregnant db/+ mice as demonstrated by reduced blood glucose, TNF-a, and IL-6 levels as well as increased insulin level, and body weight. Furthermore, we revealed that RNF38/SHP-1/STAT3 signaling should play a critical role in calycosin-promoted beta cell function, and forced expression of RNF38 attenuated the positive effects of calycosin on beta cells. CONCLUSION Our study implied that calycosin exerts favorable effects on GDM mice via rebalancing insulin sensitivity and inflammatory response.
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Affiliation(s)
- Yuan Li
- Department of Obstetrics, ZiBo Central Hospital, Zibo, China
| | - Bide Duan
- Department of Obstetrics, ZiBo Central Hospital, Zibo, China
| | - Ying Li
- Department of Obstetrics, ZiBo Central Hospital, Zibo, China
| | - Shujun Yu
- Department of Obstetrics, ZiBo Central Hospital, Zibo, China
| | - Yanyun Wang
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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Oncogenic effects of RAB27B through exosome independent function in renal cell carcinoma including sunitinib-resistant. PLoS One 2020; 15:e0232545. [PMID: 32379831 PMCID: PMC7205224 DOI: 10.1371/journal.pone.0232545] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Accepted: 04/16/2020] [Indexed: 12/11/2022] Open
Abstract
Exosomes are 40–100 nm nano-sized extracellular vesicles. They are released from many cell types and move into the extracellular space, thereby transferring their components to recipient cells. Exosomes are receiving increasing attention as novel structures participating in intracellular communication. RAB27B is one of the leading proteins involved in exosome secretion, and oncogenic effects have been reported in several cancers. In recent years, molecularly targeted agents typified by sunitinib are widely used for the treatment of metastatic or recurrent renal cell carcinoma (RCC). However, intrinsic or acquired resistance to sunitinib has become a major issue. The present study aimed to elucidate the role of RAB27B in RCC including sunitinib-resistant and its role in exosomes. Bioinformatic analyses revealed that high expression of RAB27B correlates with progression of RCC. The expression of RAB27B protein in RCC cell lines was significantly enhanced compared with that in normal kidney cell lines. Furthermore, RAB27B protein expression was enhanced in all of the tested sunitinib-resistant RCC cell lines compared to parental cells. Although no specific effect of RAB27B on exosomes was identified in RCC cells, loss-of-function studies demonstrated that knockdown of RAB27B suppressed cell proliferation, migration and invasive activities. Moreover, anti-tumor effects of RAB27B downregulation were also observed in sunitinib-resistant RCC cells. RNA sequence and pathway analysis suggested that the oncogenic effects of RAB27B might be associated with MAPK and VEGF signaling pathways. These results showed that RAB27B is a prognostic marker and a novel therapeutic target in sunitinib-sensitive and -resistant RCCs. Further analyses should improve our understanding of sunitinib resistance in RCC.
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