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Zhang W, Zou M, Fu J, Xu Y, Zhu Y. Autophagy: A potential target for natural products in the treatment of ulcerative colitis. Biomed Pharmacother 2024; 176:116891. [PMID: 38865850 DOI: 10.1016/j.biopha.2024.116891] [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: 01/24/2024] [Revised: 05/16/2024] [Accepted: 06/05/2024] [Indexed: 06/14/2024] Open
Abstract
Ulcerative colitis (UC) is a chronic inflammatory bowel disease primarily affecting the mucosa of the colon and rectum. UC is characterized by recurrent episodes, often necessitating lifelong medication use, imposing a significant burden on patients. Current conventional and advanced treatments for UC have the disadvantages of insufficient efficiency, susceptibility to drug resistance, and notable adverse effects. Therefore, developing effective and safe drugs has become an urgent need. Autophagy is an intracellular degradation process that plays an important role in intestinal homeostasis. Emerging evidence suggests that aberrant autophagy is involved in the development of UC, and modulating autophagy can effectively alleviate experimental colitis. A growing number of studies have established that autophagy can interplay with endoplasmic reticulum stress, gut microbiota, apoptosis, and the NLRP3 inflammasome, all of which contribute to the pathogenesis of UC. In addition, a variety of intestinal epithelial cells, including absorptive cells, goblet cells, and Paneth cells, as well as other cell types like neutrophils, antigen-presenting cells, and stem cells in the gut, mediate the development of UC through autophagy. To date, many studies have found that natural products hold the potential to exert therapeutic effects on UC by regulating autophagy. This review focuses on the possible effects and pharmacological mechanisms of natural products to alleviate UC with autophagy as a potential target in recent years, aiming to provide a basis for new drug development.
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Affiliation(s)
- Wei Zhang
- The First Clinical College of Traditional Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China
| | - Menglong Zou
- The First Clinical College of Traditional Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China
| | - Jia Fu
- Department of Gastroenterology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, China
| | - Yin Xu
- Department of Gastroenterology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, China.
| | - Ying Zhu
- Department of Gastroenterology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, China.
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Rossi SP, Matzkin ME, Riviere E, Martinez G, Ponzio R, Levalle O, Terradas C, Calandra RS, Frungieri MB. Melatonin improves oxidative state and lactate metabolism in rodent Sertoli cells. Mol Cell Endocrinol 2023; 576:112034. [PMID: 37516434 DOI: 10.1016/j.mce.2023.112034] [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: 06/05/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 07/31/2023]
Abstract
Antioxidant actions of melatonin and its impact on testicular function and fertility have already been described. Considering that Sertoli cells contribute to provide structural support and nutrition to germ cells, we evaluated the effect of melatonin on oxidative state and lactate metabolism in the immature murine TM4 cell line and in immature hamster Sertoli cells. A prooxidant stimulus applied to rodent Sertoli cells expressing MT1/MT2 receptors, increased lipid peroxidation whereas decreased antioxidant enzymes (superoxide dismutase 1, catalase, peroxiredoxin 1) expression and catalase activity. These changes were prevented by melatonin. Furthermore, melatonin stimulated lactate dehydrogenase (LDH) expression/activity via melatonin receptors, and increased intracellular lactate production in rodent Sertoli cells. Interestingly, oral melatonin supplementation in infertile men positively regulated LDHA testicular mRNA expression. Overall, our work provides insights into the potential benefits of melatonin on Sertoli cells contributing to testicular development and the future establishment of a sustainable spermatogenesis.
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Affiliation(s)
- Soledad P Rossi
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Vuelta de Obligado 2490, 1428, Ciudad de Buenos Aires, Argentina; Departamento de Bioquímica Humana, Cátedra 1, Facultad de Medicina, Universidad de Buenos Aires, Paraguay 2155, 1121, Ciudad de Buenos Aires, Argentina.
| | - María E Matzkin
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Vuelta de Obligado 2490, 1428, Ciudad de Buenos Aires, Argentina; Departamento de Bioquímica Humana, Cátedra 1, Facultad de Medicina, Universidad de Buenos Aires, Paraguay 2155, 1121, Ciudad de Buenos Aires, Argentina
| | - Eugenia Riviere
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Vuelta de Obligado 2490, 1428, Ciudad de Buenos Aires, Argentina
| | - Gustavo Martinez
- Fertilis, Av. Fondo de la Legua 277, B1609JEC, San Isidro, Buenos Aires, Argentina
| | - Roberto Ponzio
- Instituto de Investigaciones en Reproducción, Facultad de Medicina, Universidad de Buenos Aires, Paraguay 2155, 1121, Ciudad de Buenos Aires, Argentina
| | - Oscar Levalle
- División Endocrinología, Hospital Durand, Facultad de Medicina, Universidad de Buenos Aires, Díaz Vélez 5044, 1405, Ciudad de Buenos Aires, Argentina
| | - Claudio Terradas
- División Endocrinología, Hospital Durand, Facultad de Medicina, Universidad de Buenos Aires, Díaz Vélez 5044, 1405, Ciudad de Buenos Aires, Argentina
| | - Ricardo S Calandra
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Vuelta de Obligado 2490, 1428, Ciudad de Buenos Aires, Argentina
| | - Mónica B Frungieri
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Vuelta de Obligado 2490, 1428, Ciudad de Buenos Aires, Argentina; Cátedra de Química, Ciclo Básico Común, Universidad de Buenos Aires, Ciudad de Buenos Aires, C1405CAE, Argentina
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Chen Y, Shan X, Jiang H, Guo Z. Exogenous Melatonin Directly and Indirectly Influences Sheep Oocytes. Front Vet Sci 2022; 9:903195. [PMID: 35720845 PMCID: PMC9203153 DOI: 10.3389/fvets.2022.903195] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/05/2022] [Indexed: 11/13/2022] Open
Abstract
Understanding whether and how melatonin (MT) may impact sheep oocyte development competence is central to our ability to predict how sheep oocytes will respond to artificially regulated estrus. Implanting MT can make sheep enter estrus during the non-breeding season. One study found that the blastocyst rate increased under MT treatment, while another found that the blastocyst rate decreased. Therefore, we conducted a meta-analysis of MT directly and indirectly influencing sheep oocytes. A total of 433 articles were collected from which 20 articles and 34 treatments were finally selected. A method for estimating the default value was established for the litter size analysis. We found that exogenous MT add into in vitro maturation medium was positively related to the blastocyst rate in the lab. However, subcutaneous implanting MT did not affect the in vivo ovulation rate, fertilization rate, blastocyst rate, or pregnancy rate at farm. MT did not affect the in vitro cleavage rate. However, MT improved the in vivo cleavage rate. We hypothesized that implanted MT could increase the concentration of MT in oviduct fluid in vivo, and also that in vitro MT could increase the early cleavage rate of sheep zygotes without affecting the total cleavage rate. In the analysis of oocyte apoptosis caused by injury, the results suggested that pyroptosis would be more suitable for further research. MT produces responses in all body organs, and thus implanting of MT during non-breeding seasons should consider the effect on animal welfare.
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Affiliation(s)
- Yang Chen
- Key Laboratory of Livestock and Poultry Resources (Sheep & Goat) Evaluation and Utilization, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Xuesong Shan
- Key Laboratory of Livestock and Poultry Resources (Sheep & Goat) Evaluation and Utilization, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Huaizhi Jiang
- Key Laboratory of Livestock and Poultry Resources (Sheep & Goat) Evaluation and Utilization, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Zhenhua Guo
- Heilongjiang Academy of Agricultural Sciences, Animal Husbandry Research Institute, Harbin, China
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