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Baysal M, Karaduman AB, Korkut Çelikateş B, Atlı-Eklioğlu Ö, Ilgın S. Assessment of the toxicity of different antiretroviral drugs and their combinations on Sertoli and Leydig cells. Drug Chem Toxicol 2024:1-9. [PMID: 38647040 DOI: 10.1080/01480545.2024.2336506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 03/25/2024] [Indexed: 04/25/2024]
Abstract
The human immunodeficiency virus continues to pose a significant global public health challenge, affecting millions of individuals. The current treatment strategy has incorporated the utilization of combinations of antiretroviral drugs. The administration of these drugs is associated with many deleterious consequences on several physiological systems, notably the reproductive system. This study aimed to assess the toxic effects of abacavir sulfate, ritonavir, nevirapine, and zidovudine, as well as their combinations, on TM3 Leydig and TM4 Sertoli cells. The cell viability was gauged using 3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide (MTT) and neutral red uptake (NRU) assays. Reactive oxygen species (ROS) production was assessed via the 2',7'-dichlorofluorescein diacetate (DCFDA) test, and DNA damage was determined using the comet assay. Results indicated cytotoxic effects at low drug concentrations, both individually and combined. The administration of drugs, individually and in combination, resulted in the production of ROS and caused damage to the DNA at the tested concentrations. In conclusion, the results of this study suggest that the administration of antiretroviral drugs can lead to testicular toxicity by promoting the generation of ROS and DNA damage. Furthermore, it should be noted that the toxicity of antiretroviral drug combinations was shown to be higher compared to that of individual drugs.
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Affiliation(s)
- Merve Baysal
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
| | - Abdullah Burak Karaduman
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
| | - Büşra Korkut Çelikateş
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
| | - Özlem Atlı-Eklioğlu
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
| | - Sinem Ilgın
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
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Delbrouck JA, Desgagné M, Comeau C, Bouarab K, Malouin F, Boudreault PL. The Therapeutic Value of Solanum Steroidal (Glyco)Alkaloids: A 10-Year Comprehensive Review. Molecules 2023; 28:4957. [PMID: 37446619 DOI: 10.3390/molecules28134957] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/20/2023] [Accepted: 06/21/2023] [Indexed: 07/15/2023] Open
Abstract
Steroidal (glycol)alkaloids S(G)As are secondary metabolites made of a nitrogen-containing steroidal skeleton linked to a (poly)saccharide, naturally occurring in the members of the Solanaceae and Liliaceae plant families. The genus Solanum is familiar to all of us as a food source (tomato, potato, eggplant), but a few populations have also made it part of their ethnobotany for their medicinal properties. The recent development of the isolation, purification and analysis techniques have shed light on the structural diversity among the SGAs family, thus attracting scientists to investigate their various pharmacological properties. This review aims to overview the recent literature (2012-2022) on the pharmacological benefits displayed by the SGAs family. Over 17 different potential therapeutic applications (antibiotic, antiviral, anti-inflammatory, etc.) were reported over the past ten years, and this unique review analyzes each pharmacological effect independently without discrimination of either the SGA's chemical identity or their sources. A strong emphasis is placed on the discovery of their biological targets and the subsequent cellular mechanisms, discussing in vitro to in vivo biological data. The therapeutic value and the challenges of the solanum steroidal glycoalkaloid family is debated to provide new insights for future research towards clinical development.
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Affiliation(s)
- Julien A Delbrouck
- Institut de Pharmacologie, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, 3001 12e Avenue Nord, Sherbrooke, QC J1H 5N4, Canada
| | - Michael Desgagné
- Institut de Pharmacologie, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, 3001 12e Avenue Nord, Sherbrooke, QC J1H 5N4, Canada
| | - Christian Comeau
- Institut de Pharmacologie, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, 3001 12e Avenue Nord, Sherbrooke, QC J1H 5N4, Canada
| | - Kamal Bouarab
- Centre SEVE, Département de Biologie, Faculté des Sciences, Université de Sherbrooke, 2500 Boul de l'Université, Sherbrooke, QC J1K 2R1, Canada
| | - François Malouin
- Département de Biologie, Faculté des Sciences, Université de Sherbrooke, 2500 Boul de l'Université, Sherbrooke, QC J1K 2R1, Canada
| | - Pierre-Luc Boudreault
- Institut de Pharmacologie, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, 3001 12e Avenue Nord, Sherbrooke, QC J1H 5N4, Canada
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Winkiel MJ, Chowański S, Słocińska M. Anticancer activity of glycoalkaloids from Solanum plants: A review. Front Pharmacol 2022; 13:979451. [PMID: 36569285 PMCID: PMC9767987 DOI: 10.3389/fphar.2022.979451] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 11/08/2022] [Indexed: 12/12/2022] Open
Abstract
Cancer is still one of the main causes of death worldwide. For this reason, new compounds that have chemotherapeutic potential have been identified. One such group of substances is Solanaceae glycoalkaloids (GAs). They are natural compounds produced by plants widely used in traditional medicine for healing many disorders. Among others, GAs exhibit significant antitumor properties, for example, a strong inhibitory effect on cancer cell growth. This activity can result in the induction of tumor cell apoptosis, which can occur via different molecular pathways. The molecular mechanisms of the action of GAs are the subject of intensive research, as improved understanding could lead to the development of new cancer therapies. The genetic basis for the formation of neoplasms are mutations in protooncogenes, suppressors, and apoptosis-controlling and repair genes; therefore, substances with antineoplastic properties may affect the levels of their expression or the levels of their expression products. Therapeutic compounds can be applied separately or in combination with other drugs to increase the efficiency of cancer therapy; they can act on the cell through various mechanisms at different stages of carcinogenesis, inducing the process of apoptosis, blocking cell proliferation and migration, and inhibiting angiogenesis. This review summarizes the newest studies on the anticancer properties of solanine (SN), chaconine (CH), solasonine (SS), solamargine (SM), tomatine (TT) and their extracts from Solanum plants.
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PINK1/Parkin-mediated mitophagy is activated to protect against testicular damage caused by aluminum. J Inorg Biochem 2022; 232:111840. [DOI: 10.1016/j.jinorgbio.2022.111840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 04/13/2022] [Accepted: 04/16/2022] [Indexed: 11/22/2022]
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5
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Risk compounds, potential mechanisms and biomarkers of Traditional Chinese medicine‐induced reproductive toxicity. J Appl Toxicol 2022; 42:1734-1756. [DOI: 10.1002/jat.4290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 01/13/2022] [Accepted: 01/19/2022] [Indexed: 11/07/2022]
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Sun J, Li H, Lv C, Draz E, Liu Y, Lin Z, Hu W, Mo K, Lin J, Xu W, Wang S. Trps1 targets Ccnd1 to regulate mouse Leydig cell proliferation. Andrology 2021; 9:1923-1933. [PMID: 34185441 DOI: 10.1111/andr.13072] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 06/02/2021] [Accepted: 06/21/2021] [Indexed: 12/22/2022]
Abstract
BACKGROUND The tricho-rhino-phalangeal syndrome-1 gene (Trps1) is an atypical GATA family member. Although current studies of Trps1 mainly focus on tumors, whether Trps1 plays a role in the male reproductive system remains unknown. OBJECTIVES The purpose of this study was to elucidate the function of Trps1 in Leydig cells, indicating its regulatory mechanism on the cell cycle. METHODS Gene-silencing technology, RNA-seq, RT-qPCR, and western blotting were used to evaluate the function of Trps1 in mouse primary Leydig cells and MLTC-1 cells. In addition, ChIP-base sets and ChIP-qPCR were employed to further assess the regulatory mechanism of Trps1 in MLTC-1 cells. RESULTS Knockdown of Trps1 in Leydig cells significantly suppressed phosphorylation of Src and Akt and expression of Ccnd1, which was accompanied by impairment of cell proliferative ability. Trps1 may affect the cell cycle through the Src/Akt/Ccnd1 signaling pathway. In addition, Trps1 may bind to the promoter of Srcin1 to regulate its transcription, thus influencing Src phosphorylation levels and the proliferation of Leydig cells. DISCUSSION AND CONCLUSION Src increases in Leydig cells during pubertal development, suggesting its functional involvement in differentiated adult Leydig cells. Inhibition of the Src/Akt pathway would reduce Ccnd1 expression. In the present study, we found that Trps1 may regulate the phosphorylation level of Src and Akt through Srcin1, targeting Ccnd1 to influence mouse Leydig cell proliferation. These findings shed light on the regulation of Trps1 on cell proliferation and differentiation of mouse Leydig cells.
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Affiliation(s)
- Jiandong Sun
- Key Laboratory of Stem Cell Engineering and Regenerative Medicine of Fujian Province University, Fujian Medical University, Fuzhou, P. R. China
| | - Hua Li
- Key Laboratory of Stem Cell Engineering and Regenerative Medicine of Fujian Province University, Fujian Medical University, Fuzhou, P. R. China.,Department of Anatomy, Histology, and Embryology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, P. R. China
| | - Chengyu Lv
- Key Laboratory of Stem Cell Engineering and Regenerative Medicine of Fujian Province University, Fujian Medical University, Fuzhou, P. R. China
| | - Eman Draz
- Key Laboratory of Stem Cell Engineering and Regenerative Medicine of Fujian Province University, Fujian Medical University, Fuzhou, P. R. China.,Department of Anatomy, Histology, and Embryology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, P. R. China
| | - Yue Liu
- Key Laboratory of Stem Cell Engineering and Regenerative Medicine of Fujian Province University, Fujian Medical University, Fuzhou, P. R. China.,Department of Anatomy, Histology, and Embryology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, P. R. China
| | - Zihang Lin
- Key Laboratory of Stem Cell Engineering and Regenerative Medicine of Fujian Province University, Fujian Medical University, Fuzhou, P. R. China
| | - Weitao Hu
- Key Laboratory of Stem Cell Engineering and Regenerative Medicine of Fujian Province University, Fujian Medical University, Fuzhou, P. R. China
| | - Kaien Mo
- Key Laboratory of Stem Cell Engineering and Regenerative Medicine of Fujian Province University, Fujian Medical University, Fuzhou, P. R. China
| | - Jianmin Lin
- Key Laboratory of Stem Cell Engineering and Regenerative Medicine of Fujian Province University, Fujian Medical University, Fuzhou, P. R. China
| | - Weiwei Xu
- Key Laboratory of Stem Cell Engineering and Regenerative Medicine of Fujian Province University, Fujian Medical University, Fuzhou, P. R. China
| | - Shie Wang
- Key Laboratory of Stem Cell Engineering and Regenerative Medicine of Fujian Province University, Fujian Medical University, Fuzhou, P. R. China.,Department of Anatomy, Histology, and Embryology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, P. R. China
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Sun S, Zhao Q, Xue C, Zheng C. Comparative Phosphoproteomics Reveals a Role for AMPK in Hypoxia Signaling in Testes of Oriental River Prawn ( Macrobrachium nipponense). J Proteome Res 2021; 20:2923-2934. [PMID: 33851848 DOI: 10.1021/acs.jproteome.1c00144] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Hypoxia is one of the major stresses in aquaculture animals. Recently, we reported that hypoxia disrupts the endocrine system and inhibits testicular function of oriental river prawns (Macrobrachium nipponense), but the molecular mechanism of testes responded to hypoxia remains largely unknown. In the present study, we aimed to integrate whole phosphoproteomic profiles of hypoxia-treated testes of the oriental river prawn (Macrobrachium nipponense). We successfully isolated sperm cells and evaluated the mitochondrial morphology and function using laser confocal microscopy, flow cytometry, and biochemical analyses. Quantitative proteomics identified 117 differentially abundant phosphorylated proteins, and these proteins are mainly involved in the pathways related to cellular processes, including autophagy, apoptosis, and the FoxO signaling pathway. Protein-protein interaction analysis clustered these phosphoproteins into three groups, many of which have been suggested to impact carbohydrate metabolism, autophagy, and signal regulation in testes. Western blotting confirmed that phosphorylated proteins including AMPK, ULK1, and TP53 (of the AMPK pathway) may contribute to testicular dysfunction caused by hypoxia. Further, we investigated the potential roles of AMP-activated protein kinase (AMPK)'s in testes mitochondrial autophagy and apoptosis in M. nipponense as induced by hypoxia. Simultaneous knockdown of AMPKα in sperm cells led to a decrease in FOXO3a phosphorylation at Ser413, upregulation of caspase-3 and caspase-9 activities, and an increased apoptosis rate. These results improve our understanding of hypoxia-induced energy metabolism disorders in the testes of M. nipponense.
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Affiliation(s)
- Shengming Sun
- Key Laboratory of Freshwater Aquatic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, PR China.,International Research Center for Marine Biosciences, Ministry of Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Qianqian Zhao
- Key Laboratory of Freshwater Aquatic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, PR China
| | - Cheng Xue
- Key Laboratory of Freshwater Aquatic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, PR China
| | - Cheng Zheng
- Key Laboratory of Freshwater Aquatic Resources, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai 201306, PR China
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Gu T, Yuan W, Li C, Chen Z, Wen Y, Zheng Q, Yang Q, Xiong X, Yuan A. α-Solanine Inhibits Proliferation, Invasion, and Migration, and Induces Apoptosis in Human Choriocarcinoma JEG-3 Cells In Vitro and In Vivo. Toxins (Basel) 2021; 13:210. [PMID: 33805658 PMCID: PMC7998402 DOI: 10.3390/toxins13030210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 02/23/2021] [Accepted: 03/10/2021] [Indexed: 01/10/2023] Open
Abstract
α-Solanine, a bioactive compound mainly found in potato, exhibits anti-cancer activity towards multiple cancer cells. However, its effects on human choriocarcinoma have not been evaluated. In the present study, we investigated the effect of α-solanine on cell proliferation and apoptosis in human choriocarcinoma in vitro and in vivo. The results showed that α-solanine, at concentrations of 30 μM or below, did not affect the cell viability of the choriocarcinoma cell line JEG-3. However, colony formation was significantly decreased and cell apoptosis was increased in response to 30 μM α-solanine. In addition, α-solanine (30 μM) reduced the migration and invasion abilities of JEG-3 cells, which was associated with a downregulation of matrix metalloproteinases (MMP)-2/9. The in vivo findings provided further evidence of the inhibition of α-solanine on choriocarcinoma tumor growth. α-Solanine suppressed the xenograft tumor growth of JEG-3 cells, resulting in smaller tumor volumes and lower tumor weights. Apoptosis was promoted in xenograft tumors of α-solanine-treated mice. Moreover, α-solanine downregulated proliferative cellular nuclear antigen (PCNA) and Bcl-2 levels and promoted the expression of Bax. Collectively, α-solanine inhibits the growth, migration, and invasion of human JEG-3 choriocarcinoma cells, which may be associated with the induction of apoptosis.
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Affiliation(s)
- Ting Gu
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (T.G.); (W.Y.); (C.L.); (Z.C.); (Y.W.); (Q.Z.)
| | - Wei Yuan
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (T.G.); (W.Y.); (C.L.); (Z.C.); (Y.W.); (Q.Z.)
| | - Chen Li
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (T.G.); (W.Y.); (C.L.); (Z.C.); (Y.W.); (Q.Z.)
| | - Zhilong Chen
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (T.G.); (W.Y.); (C.L.); (Z.C.); (Y.W.); (Q.Z.)
| | - Yuting Wen
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (T.G.); (W.Y.); (C.L.); (Z.C.); (Y.W.); (Q.Z.)
| | - Qiyi Zheng
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (T.G.); (W.Y.); (C.L.); (Z.C.); (Y.W.); (Q.Z.)
| | - Qing Yang
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (T.G.); (W.Y.); (C.L.); (Z.C.); (Y.W.); (Q.Z.)
| | - Xingyao Xiong
- Shenzhen Agricultural Genome Research Institute, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
| | - Anwen Yuan
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (T.G.); (W.Y.); (C.L.); (Z.C.); (Y.W.); (Q.Z.)
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α-Solanine Causes Cellular Dysfunction of Human Trophoblast Cells via Apoptosis and Autophagy. Toxins (Basel) 2021; 13:toxins13010067. [PMID: 33477438 PMCID: PMC7830445 DOI: 10.3390/toxins13010067] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 01/04/2021] [Accepted: 01/14/2021] [Indexed: 12/16/2022] Open
Abstract
The trophoblast, an embryonic tissue, exerts a crucial role in the processes of implantation and placentation. Toxins in food can cause malfunction of trophoblasts, resulting in apoptosis, oxidative stress, and abnormal angiogenesis. α-solanine, a steroidal glycoalkaloid, has antitumor properties on several cancer cells. However, its effect on human trophoblasts has not been elucidated. In this study, human extravillous trophoblast HTR-8/SVneo cells were exposed to α-solanine. Cellular functions including proliferation, migration, invasion, tube formation, and apoptosis were assessed. To monitor autophagic flux, trophoblasts were transfected with a mCherry-GFP-LC3B vector using lentiviral transduction, and expression of autophagy-related biomarkers including Beclin 1, Atgl3, and microtubule-associated protein 1 light chain-3 (MAP1-LC3) were detected. The results show that application of 20 μM α-solanine or above inhibited the cell viability, migration, invasion, and tube formation of the human trophoblast. Cell cycle was arrested at S and G2/M phases in response to 30 μM α-solanine. α-solanine induced apoptosis of HTR-8/SVneo cells and triggered autophagy by increasing the autophagic gene expression and stimulating the formation of autophagosome and autophagic flux. In conclusion, α-solanine can impair the functions of human trophoblast cells via activation of cell apoptosis and autophagy.
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Testis Toxicants: Lesson from Traditional Chinese Medicine (TCM). ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1288:307-319. [PMID: 34453743 DOI: 10.1007/978-3-030-77779-1_15] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The testis is one of the organs in the mammalian body that is sensitive to toxicants. Accumulating evidence has shown that human exposure to toxic ingredients in Traditional Chinese Medicine (TCM), such as triptolide, gossypol, cannabidol, piperine, α-solanine, matrine, aristolochic acid, and emodin, lead to testis injury and reproductive dysfunction. The most obvious phenotype is reduced sperm counts due to defects in spermatogenesis. Studies have also shown that Sertoli cells in the seminiferous tubule, the functional unit of the testis that supports spermatogenesis, are the cell type that is most sensitive to the disruptive effects of toxicants. Since Sertoli cells are the "mother cells" that nurture germ cell development, Sertoli cell injury thus leads to failure in germ cell development in the seminiferous epithelium. Mounting evidence has shown that the Sertoli cell cytoskeletons, mitochondria function, Leydig cells steroidogenesis pathways and sperm ion channels are some of the prime targets of toxicants from TCM. We carefully evaluate recent findings in this area of research herein, and to provide a summary of these findings, including some insightful information regarding the underlying molecular basis of toxicant-induced testis injury that impede spermatogenesis.
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Hassan SH, Gul S, Zahra HS, Maryam A, Shakir HA, Khan M, Irfan M. Alpha Solanine: A Novel Natural Bioactive Molecule with Anticancer Effects in Multiple Human Malignancies. Nutr Cancer 2020; 73:1541-1552. [DOI: 10.1080/01635581.2020.1803932] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
| | - Sameena Gul
- Department of Zoology, University of the Punjab, Lahore, Punjab, Pakistan
| | - Hafiza Sadaf Zahra
- Department of Zoology, University of the Punjab, Lahore, Punjab, Pakistan
| | - Amara Maryam
- Department of Zoology, University of the Punjab, Lahore, Punjab, Pakistan
| | | | - Muhammad Khan
- Department of Zoology, University of the Punjab, Lahore, Punjab, Pakistan
| | - Muhammad Irfan
- Department of Biotechnology, University of Sargodha, Sargodha, Punjab, Pakistan
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Schrenk D, Bignami M, Bodin L, Chipman JK, del Mazo J, Hogstrand C, Hoogenboom L(R, Leblanc J, Nebbia CS, Nielsen E, Ntzani E, Petersen A, Sand S, Schwerdtle T, Vleminckx C, Wallace H, Brimer L, Cottrill B, Dusemund B, Mulder P, Vollmer G, Binaglia M, Ramos Bordajandi L, Riolo F, Roldán‐Torres R, Grasl‐Kraupp B. Risk assessment of glycoalkaloids in feed and food, in particular in potatoes and potato-derived products. EFSA J 2020; 18:e06222. [PMID: 32788943 PMCID: PMC7417869 DOI: 10.2903/j.efsa.2020.6222] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The European Commission asked EFSA for a scientific opinion on the risks for animal and human health related to the presence of glycoalkaloids (GAs) in feed and food. This risk assessment covers edible parts of potato plants and other food plants containing GAs, in particular, tomato and aubergine. In humans, acute toxic effects of potato GAs (α-solanine and α-chaconine) include gastrointestinal symptoms such as nausea, vomiting and diarrhoea. For these effects, the CONTAM Panel identified a lowest-observed-adverse-effect level of 1 mg total potato GAs/kg body weight (bw) per day as a reference point for the risk characterisation following acute exposure. In humans, no evidence of health problems associated with repeated or long-term intake of GAs via potatoes has been identified. No reference point for chronic exposure could be identified from the experimental animal studies. Occurrence data were available only for α-solanine and α-chaconine, mostly for potatoes. The acute dietary exposure to potato GAs was estimated using a probabilistic approach and applying processing factors for food. Due to the limited data available, a margin of exposure (MOE) approach was applied. The MOEs for the younger age groups indicate a health concern for the food consumption surveys with the highest mean exposure, as well as for the P95 exposure in all surveys. For adult age groups, the MOEs indicate a health concern only for the food consumption surveys with the highest P95 exposures. For tomato and aubergine GAs, the risk to human health could not be characterised due to the lack of occurrence data and the limited toxicity data. For horses, farm and companion animals, no risk characterisation for potato GAs could be performed due to insufficient data on occurrence in feed and on potential adverse effects of GAs in these species.
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13
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Melatonin Promotes the Proliferation of Chicken Sertoli Cells by Activating the ERK/Inhibin Alpha Subunit Signaling Pathway. Molecules 2020; 25:molecules25051230. [PMID: 32182838 PMCID: PMC7179446 DOI: 10.3390/molecules25051230] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 03/04/2020] [Accepted: 03/06/2020] [Indexed: 12/18/2022] Open
Abstract
Melatonin influences physiological processes such as promoting proliferation and regulating cell development and function, and its effects on chicken Sertoli cells are unknown. Therefore, we investigated the effects of melatonin on cell proliferation and its underlying mechanisms in chicken Sertoli cells. Chicken Sertoli cells were exposed to varying melatonin concentrations (1, 10, 100, and 1000 nM), and the melatonin-induced effects on cell proliferation were measured by Cell Counting Kit 8 (CCK-8), 5-ethynyl-2'-deoxyuridine (EdU), real-time qPCR, and western blotting. We found that 1000 nM melatonin significantly (p < 0.05) promoted cell proliferation in chicken Sertoli cells. Furthermore, melatonin significantly (p < 0.05) increased the expression of inhibin alpha subunit (INHA), and the silencing of INHA reversed the melatonin-induced effects on Sertoli cell proliferation. We also found that melatonin activates the extracellular-regulated protein kinase (ERK) signaling pathway. To explore the role of the ERK signaling pathway in melatonin-induced cell proliferation, PD98059 (an inhibitor of EKR1/2) was used to pre-treat chicken Sertoli cells. The melatonin-induced proliferation of chicken Sertoli cells was reversed by PD98059, with decreased cell viability, weakened cell proliferation, and down-regulated expression of the proliferating cell nuclear antigen (PCNA), cyclin D1 (CCND1) and INHA. In summary, our results indicate that melatonin promotes the proliferation of chicken Sertoli cells by activating the ERK/inhibin alpha subunit signaling pathway.
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14
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Yang X, Liu P, Cui Y, Xiao B, Liu M, Song M, Huang W, Li Y. Review of the Reproductive Toxicity of T-2 Toxin. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:727-734. [PMID: 31895560 DOI: 10.1021/acs.jafc.9b07880] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
T-2 toxin, an inevitable environmental pollutant, is the most toxic type A trichothecene mycotoxin. Reproductive disruption is a key adverse effect of T-2 toxin. Herein, this paper reviews the reproductive toxicity of T-2 toxin and its mechanisms in male and female members of different species. The reproductive toxicity of T-2 toxin is evidenced by decreased fertility, disrupted structures and functions of reproductive organs, and loss of gametogenesis in males and females. T-2 toxin disrupts the reproductive endocrine axis and inhibits reproductive hormone synthesis. Furthermore, exposure to T-2 toxin during pregnancy results in embryotoxicity and the abnormal development of offspring. We also summarize the research progress in counteracting the reproductive toxicity of T-2 toxin. This review provides information toward a comprehensive understanding of the reproductive toxicity mechanisms of T-2 toxin.
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Affiliation(s)
- Xu Yang
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine , Northeast Agricultural University , 600 Changjiang Road , Xiangfang District, Harbin , Heilongjiang 150030 , People's Republic of China
| | - Pengli Liu
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine , Northeast Agricultural University , 600 Changjiang Road , Xiangfang District, Harbin , Heilongjiang 150030 , People's Republic of China
| | - Yilong Cui
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine , Northeast Agricultural University , 600 Changjiang Road , Xiangfang District, Harbin , Heilongjiang 150030 , People's Republic of China
| | - Bonan Xiao
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine , Northeast Agricultural University , 600 Changjiang Road , Xiangfang District, Harbin , Heilongjiang 150030 , People's Republic of China
| | - Menglin Liu
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine , Northeast Agricultural University , 600 Changjiang Road , Xiangfang District, Harbin , Heilongjiang 150030 , People's Republic of China
| | - Miao Song
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine , Northeast Agricultural University , 600 Changjiang Road , Xiangfang District, Harbin , Heilongjiang 150030 , People's Republic of China
| | - Wanyue Huang
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine , Northeast Agricultural University , 600 Changjiang Road , Xiangfang District, Harbin , Heilongjiang 150030 , People's Republic of China
| | - Yanfei Li
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine , Northeast Agricultural University , 600 Changjiang Road , Xiangfang District, Harbin , Heilongjiang 150030 , People's Republic of China
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