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Al-Khafaji AH, Kwao S, Gómez Galindo F, Sajeevan RS. Germination and stress tolerance of oats treated with pulsed electric field at different phases of seedling growth. Bioelectrochemistry 2024; 158:108692. [PMID: 38547778 DOI: 10.1016/j.bioelechem.2024.108692] [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: 11/17/2023] [Revised: 03/11/2024] [Accepted: 03/16/2024] [Indexed: 05/25/2024]
Abstract
This study explores the impact of pulsed electric field (PEF) application on oat seedling growth and stress tolerance. PEF treatment (99 monopolar, rectangular pulses lasting 10 µs each, with a frequency of 13 Hz and a nominal electric field strength of 2250 V/cm) was applied at two growth stages: (i) when the seedlings had 0.2 cm roots emerging from the kernel, and (ii) when they had a 0.4 cm shoot emerging from the kernel. Post-treatment, the seedlings were hydroponically grown for 8 days. To induce stress, the hydroponic medium was augmented with PEG (15 %) to induce drought stress and NaCl (150 mM) to induce salinity stress. Results demonstrate that applying PEF improved the growth of the root and shoot of oat seedlings. This effect was more pronounced when applied to more developed seedlings. When PEF was applied during the later stage of germination, seedlings exposed to salinity stress showed enhanced shoot growth compared to the control. Under the studied conditions, the application of PEF had no impact on the growth of seedlings under drought stress.
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Affiliation(s)
- Alia Hussain Al-Khafaji
- Division of Food Technology, Engineering and Nutrition, Lund University, Sweden, PO Box 124, SE-22100 Lund, Sweden
| | - Stephen Kwao
- OptiCept Technologies AB, Skiffervägen 12, 22478 Lund, Sweden
| | - Federico Gómez Galindo
- Division of Food Technology, Engineering and Nutrition, Lund University, Sweden, PO Box 124, SE-22100 Lund, Sweden.
| | - Radha Sivarajan Sajeevan
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, 23422 Lomma, Sweden.
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Tsai PK, Chiang CY, Wang TC, Yeh KL, Chen WY, Chen CJ, Tseng CC, Deng LH, Tzen JTC, Lu YC, Kuan YH. Wogonin induces apoptosis in macrophages by exhibiting cytotoxic and genotoxic effects. ENVIRONMENTAL TOXICOLOGY 2024; 39:2927-2936. [PMID: 38303669 DOI: 10.1002/tox.24150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 01/05/2024] [Accepted: 01/18/2024] [Indexed: 02/03/2024]
Abstract
Macrophages play an important role in defending the body against invading pathogens. In the face of pathogens, macrophages become activated and release toxic materials that disrupt the pathogens. Macrophage overactivation can lead to severe illness and inflammation. Wogonin has several therapeutic effects, including anti-inflammatory, anticancer, antioxidant, and neuroprotective effects. No studies have investigated the cytotoxic effects of wogonin at concentrations of more than 0.1 mM in RAW264.7 cells. In this study, RAW 264.7 cells were treated with wogonin, which, at concentrations of more than 0.1 mM, had cytotoxic and genotoxic effects in the RAW264.7 cells, leading to apoptosis and necrosis. Further, wogonin at concentrations of more than 0.1 mM induced caspase-3, caspase-8, and caspase-9 activation and mitochondrial dysfunction and death receptor expression. These results suggest that wogonin induces apoptosis through upstream intrinsic and extrinsic pathways by exhibiting cytotoxic and genotoxic effects.
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Affiliation(s)
- Ping-Kun Tsai
- Department of Internal Medicine, Zuoying Armed Forces General Hospital, Kaohsiung, Taiwan
- Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Emergency Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan
- Department of Nursing, Shu-Zen Junior College of Medicine and Management, Kaohsiung, Taiwan
| | - Chen-Yu Chiang
- Department of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Tzu-Ching Wang
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Kun-Lin Yeh
- Department of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Wen-Ying Chen
- Department of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Chun-Jung Chen
- Department of Education and Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Ching-Chi Tseng
- Department of Dermatology, The First Affiliated Hospital of Jinan University, Guangzhou, China
- Department of Dermatology, Shiso Municipal Hospital, Hyogo, Japan
| | - Lie-Hua Deng
- Department of Dermatology, The First Affiliated Hospital of Jinan University and Jinan University Institute of Dermatology, Guangzhou, China
- Department of Dermatology, The Fifth Affiliated Hospital of Jinan University, Heyuan, China
| | - Jason Tze Cheng Tzen
- Graduate Institute of Biotechnology, National Chung-Hsing University, Taichung, Taiwan
| | - Yin-Che Lu
- Min-Hwei Junior College of Health Care Management, Tainan, Taiwan
- Division of Hematology-Oncology, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, Taiwan
| | - Yu-Hsiang Kuan
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
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