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Zou B, Wang H, Duan M, Sun Y, Liu Y, Li X, Dai R. Identifying the Potential Apoptotic Metabolites in Postmortem Beef Muscle by Targeted Metabolomics. J Agric Food Chem 2024; 72:11111-11123. [PMID: 38710026 DOI: 10.1021/acs.jafc.4c00578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Apoptotic cells may release specific metabolites to act as messengers during the apoptotic process. This study represents the first attempt to identify potential apoptotic metabolites in postmortem muscle. Ninety potential apoptotic metabolites in beef were selected and analyzed through targeted metabolomics, with 84 of them exhibiting significant differences over the postmortem time. Following the addition of the mitochondria-targeted antiapoptotic agent mitoquinone to postmortem muscle, metabolomic analysis revealed that 73 apoptotic metabolites still underwent significant changes, even against the backdrop of altered apoptosis. Of these 73 apoptotic metabolites, 54 exhibited similar trends at various treatment times with adding mitoquinone, including lipids (6), amino acids (27), nucleosides (11), and carbohydrate and energy metabolism (10). Mitoquinone significantly reduced the levels of most apoptotic metabolites, and inhibition of apoptosis resulted in a significant decrease in the levels of numerous apoptotic metabolites. Consequently, these apoptotic metabolites are considered complementary to apoptosis in postmortem muscle, with their increased levels potentially promoting apoptosis. Noteworthy apoptotic metabolites, such as glycerol 3-phosphate, serine, AMP, ATP, GMP, and creatine, were identified as active signaling molecules that attract and recruit phagocytes during apoptosis, assisting in recognizing apoptotic cells by phagocytes. This study provides, for the first time, insights into potential apoptotic metabolites in postmortem muscle, contributing to a better understanding of meat biochemistry.
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Affiliation(s)
- Bo Zou
- College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, PR China
| | - Han Wang
- College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, PR China
| | - Miaolin Duan
- College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, PR China
| | - Yingying Sun
- College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, PR China
| | - Yana Liu
- College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, PR China
| | - Xingmin Li
- College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, PR China
| | - Ruitong Dai
- College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing 100083, PR China
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Wright SS, Wang C, Ta A, Havira MS, Ruan J, Rathinam VA, Vanaja SK. A bacterial toxin co-opts caspase-3 to disable active gasdermin D and limit macrophage pyroptosis. Cell Rep 2024; 43:114004. [PMID: 38522070 PMCID: PMC11095105 DOI: 10.1016/j.celrep.2024.114004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 02/15/2024] [Accepted: 03/11/2024] [Indexed: 03/26/2024] Open
Abstract
During infections, host cells are exposed to pathogen-associated molecular patterns (PAMPs) and virulence factors that stimulate multiple signaling pathways that interact additively, synergistically, or antagonistically. The net effect of such higher-order interactions is a vital determinant of the outcome of host-pathogen interactions. Here, we demonstrate one such complex interplay between bacterial exotoxin- and PAMP-induced innate immune pathways. We show that two caspases activated during enterohemorrhagic Escherichia coli (EHEC) infection by lipopolysaccharide (LPS) and Shiga toxin (Stx) interact in a functionally antagonistic manner; cytosolic LPS-activated caspase-11 cleaves full-length gasdermin D (GSDMD), generating an active pore-forming N-terminal fragment (NT-GSDMD); subsequently, caspase-3 activated by EHEC Stx cleaves the caspase-11-generated NT-GSDMD to render it nonfunctional, thereby inhibiting pyroptosis and interleukin-1β maturation. Bacteria typically subvert inflammasomes by targeting upstream components such as NLR sensors or full-length GSDMD but not active NT-GSDMD. Thus, our findings uncover a distinct immune evasion strategy where a bacterial toxin disables active NT-GSDMD by co-opting caspase-3.
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Affiliation(s)
- Skylar S Wright
- Department of Immunology, UConn Health School of Medicine, 263 Farmington Avenue, Farmington, CT 06030, USA
| | - Chengliang Wang
- Department of Immunology, UConn Health School of Medicine, 263 Farmington Avenue, Farmington, CT 06030, USA
| | - Atri Ta
- Department of Molecular Biology and Microbiology, Tufts University School of Medicine, 136 Harrison Avenue, Boston, MA 02111, USA
| | | | - Jianbin Ruan
- Department of Immunology, UConn Health School of Medicine, 263 Farmington Avenue, Farmington, CT 06030, USA
| | - Vijay A Rathinam
- Department of Immunology, UConn Health School of Medicine, 263 Farmington Avenue, Farmington, CT 06030, USA
| | - Sivapriya Kailasan Vanaja
- Department of Immunology, UConn Health School of Medicine, 263 Farmington Avenue, Farmington, CT 06030, USA.
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Ding Y, Chen L, Xu J, Feng Y, Liu Q. APAF1 Silencing Ameliorates Diabetic Retinopathy by Suppressing Inflammation, Oxidative Stress, and Caspase-3/GSDME-Dependent Pyroptosis. Diabetes Metab Syndr Obes 2024; 17:1635-1649. [PMID: 38616988 PMCID: PMC11016255 DOI: 10.2147/dmso.s449049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 03/22/2024] [Indexed: 04/16/2024] Open
Abstract
Objective Diabetic retinopathy (DR) can cause permanent blindness with unstated pathogenesis. We aim to find novel biomarkers and explore the mechanism of apoptotic protease activating factor 1 (APAF1) in DR. Methods Differential expression genes (DEGs) were screened based on GSE60436 dataset to find hub genes involved in pyroptosis after comprehensive bioinformatics analysis. DR mice model was constructed by streptozotocin injection. The pathological structure of retina was observed using hematoxylin-eosin staining. The enzyme-linked immunosorbent assay was applied to assess inflammatory factors, vascular endothelial growth factor (VEGF), and oxidative stress. The mRNA and protein expression levels were detected using quantitative real-time polymerase-chain reaction and Western blot. Cell counting kit and flow cytometry were employed to detect proliferation and apoptosis in high glucose-induced ARPE-19 cells. Results Total 71 pyroptosis-related DEGs were screened. BIRC2, CXCL8, APAF1, PPARG, TP53, and CYCS were identified as hub genes of DR. APAF1 was selected as a potential regulator of DR, which was up-regulated in DR mice. APAF1 silencing alleviated retinopathy and inhibited pyroptosis in DR mice with decreased levels of inflammatory factors, VEGF, and oxidative stress. Moreover, APAF1 silencing promoted proliferation while inhibiting apoptosis and caspase-3/GSDME-dependent pyroptosis with a decrease in TNF-α, IL-1β, IL-18, and lactate dehydrogenase in high glucose-induced ARPE-19 cells. Additionally, caspase-3 activator reversed the promotion effect on proliferation and inhibitory effect on apoptosis and pyroptosis after APAF1 silencing in high glucose-induced ARPE-19 cells. Conclusion APAF1 is a novel biomarker for DR and APAF1 silencing inhibits the development of DR by suppressing caspase-3/GSDME-dependent pyroptosis.
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Affiliation(s)
- Yuanyuan Ding
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Linjiang Chen
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Jing Xu
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Yuhan Feng
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Qiong Liu
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
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Liccardo M, Sapio L, Perrella S, Sirangelo I, Iannuzzi C. Genistein Prevents Apoptosis and Oxidative Stress Induced by Methylglyoxal in Endothelial Cells. Molecules 2024; 29:1712. [PMID: 38675531 PMCID: PMC11052514 DOI: 10.3390/molecules29081712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/08/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
Glycolytic overload promotes accumulation of the highly reactive dicarbonyl compounds, resulting in harmful conditions called dicarbonyl stress. Methylglyoxal (MG) is a highly reactive dicarbonyl species and its accumulation plays a crucial pathophysiological role in diabetes and its vascular complications. MG cytotoxicity is mediated by reactive oxygen species (ROS) generation, a key event underlying the intracellular signaling pathways leading to inflammation and apoptosis. The identification of compounds able to inhibit ROS signaling pathways and counteract the MG-induced toxicity is a crucial step for developing new therapeutic strategies in the treatment of diabetic vascular complications. In this study, the effect of genistein, a natural soybean isoflavone, has been evaluated on MG-induced cytotoxicity in human endothelial cells. Our results show that genistein is able to counteract the MG-induced apoptosis by restraining ROS production, thus inhibiting the MAPK signaling pathways and caspase-3 activation. These findings identify a beneficial role for genistein, providing new insights for its potential clinical applications in preserving endothelial function in diabetic vascular complications.
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Affiliation(s)
| | | | | | - Ivana Sirangelo
- Department of Precision Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, Via L. De Crecchio 7, 80138 Naples, Italy; (M.L.); (L.S.); (S.P.); (C.I.)
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Mansour MS, Mahmoud AA, Sayah MA, N Mohamed Z, Hussein MA, ALsherif DA. RES-CMCNPs Enhance Antioxidant, Proinflammatory, and Sensitivity of Tumor Solids to γ-Irradiation in EAC-Bearing Mice. Pharm Nanotechnol 2024; 12:PNT-EPUB-139687. [PMID: 38676484 DOI: 10.2174/0122117385290497240324190453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/04/2024] [Accepted: 02/14/2024] [Indexed: 04/29/2024]
Abstract
OBJECTIVES Resveratrol (Res) is a bifunctional compound found in numerous plants, including grapes and mulberries. Nanotechnology has promising applications in medicine. The ability of various nanomaterials to serve as radiosensitizers against tumor cells were reported in several manuscripts. The present investigation aimed to assess the antitumor and radiosensitizing effects of Res-CMCNPs on EAC-bearing mice. Methods: Res-CMCNPs have been developed using the CMC emulsification cross-linking technique. Entrapment efficiency (%), particle size, Polydispersity index and ZETA potential, UV, FTIR spectra, and drug release were evaluated and described for RES-CMCNPs. The radiosensitizing properties of RES-CMCNPs were also evaluated in vitro and in vivo against EAC-carrying rodents. The LD50 of Res-CMCNPs was estimated and its 1/20 LD50 was prepared for treating EAC transplanted mice. Results: The results revealed that the Res-CMCNPs exhibited a high entrapment efficiency (85.46%) and a size of approximately 184.60 ±17.36 nm with zeta potential value equals -51.866 mv. Also, the UV spectra of Res and Res-CMCNPs have strong absorption at 230 and 250 nm. The percentage of resveratrol release at pHs 5.8 and 7.4 was found to be 56.73% and 51.60 %, respectively, after 24 h at 100 rpm. Also, the FTIR analysis confirmed the chemical stability of resveratrol in Res-CMCNPs cross-linking. The IC50 values of Res-CMCNPs against EAC cells viability were 32.99, 25.46, and 22.21 µg after 24-, 48- and 72 h incubation, respectively, whereas those of ResCMCNPs in combination with γ-irradiation after 6-, 10 and 12-mins exposure were 24.07, 16.06 and 7.48 µg, respectively. Also, the LD50 of Res-CMCNPs was 2180 mg/kg.b.w. The treatment of EAC-bearing mice with Res-CMCNPs plus γ-irradiation improved plasma levels of NO, caspase-3, P53 and NF-kB levels as well as liver MDA, GSH, SOD, CAT, LT-B4, aromatase, Bax, Bcl2 and TGF-β levels and exhibited more significant anticancer activity than administration of ResCMCNPs and/or exposure to γ-irradiation individually. On the other hand, administration of ResCMCNPs in combination with γ-irradiation attenuated liver mRNAs (21, 29b, 181a, and 451) gene expression. Conclusion: Grafting resveratrol onto carboxymethyl chitosan appears to be a promising strategy for cancer therapy as a radiosensitizer by potentiating tumor cells' sensitivity to radiation by improving levels of proinflammatory features and antioxidant biomarkers.
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Affiliation(s)
- Mohamed S Mansour
- Biomedical Equipment Department, Faculty of Applied Health Sciences, October 6 University, October 6 City, 28125, Giza, Egypt
| | - Amira A Mahmoud
- Department of Radiology and Medical Imaging, Badr Academy, Cairo, Egypt
| | - Mohannad A Sayah
- Department of Radiography, Princess Aisha Bint Al-Hussein College of Nursing and Health Sciences, Al-Hussein Bin Talal University, 71111, P.O. Box 20 Ma'an, Jordan
| | - Zahraa N Mohamed
- Medical Laboratory Department, Faculty of Applied Health Sciences, October 6 University, 6th of October City, 28125, Giza, Egypt
| | - Mohammed A Hussein
- Biotechnology Department, Faculty of Applied Health Sciences, October 6 University, Sixth of October City, Egypt
| | - Diana A ALsherif
- Technology of Radiology and Medical Imaging Department, Faculty of Applied Health Science Technology, October 6th University, October 6th City, Egypt
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Suryo AP, Meizikri R, Apriawan T, Turchan A, Hendrati LY, Bajamal AH, Parenrengi MA, Utomo B, Fauziah D, Wiratama PA. Effect of Kencur ( Kaempferia galanga L.) Ethanolic Extract Treatment on Cerebral Caspase-3 Expression in Traumatic Brain Injury Rat Models. Malays J Med Sci 2024; 31:43-51. [PMID: 38694581 PMCID: PMC11057826 DOI: 10.21315/mjms2024.31.2.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 09/21/2023] [Indexed: 05/04/2024] Open
Abstract
Background Traumatic brain injury is one of the most common forms of trauma and causes significant morbidity and mortality. Kencur (Kaempferia galanga L.) ethanolic extract is known to contain substances that could theoretically inhibit unfavourable cellular processes, including oxidative stress and inflammation. This research aimed to study Kencur's anti-apoptosis activity through the inhibition of caspase-3. Methods This is a true experimental post-test-only group design study, using male Wistar rats (Ratus novergicus) with weight-drop-induced traumatic brain injury. The subjects in this study were divided into four groups: two Control groups (Groups A and B) and two Therapy groups (Groups C and D). Groups C and D differed in the dose of Kencur ethanolic extract administered (600 mg/kgBW/day and 1,200 mg/kgBW/day, respectively). The Therapy groups were then subdivided into those receiving therapy for 24 h (C-24 and D-24) and those receiving therapy for 48 h (C-48 and D-48). Caspase-3 expression in brain tissue was evaluated at the end of the therapy using immunohistochemistry. All groups were subjected to a Kruskal-Wallis comparison test and the investigation continued with a Mann-Whitney U test to compare the two groups. Results In traumatic brain injury rat models treated with Kaempferia galanga L. ethanolic extract at doses of 1,200 mg/kgBW/day within 48 h of therapy (D-48) compared to those who were not treated, there was a significant change in the cerebral expression of caspase-3 (P = 0.016). There was also a significant difference between the two doses of intervention (C-24 at 600 mg/kgBW/day and D-48 at 1,200 mg/kgBW/day; P = 0.016). Conclusion With a minimum of 48 h of treatment split into two doses, Kencur (Kaempferia galanga L.) ethanolic extract can decrease caspase-3 expression in rats with traumatic brain injury.
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Affiliation(s)
- Army Pambudi Suryo
- Department of Neurosurgery, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo Academic General Hospital, Surabaya, Indonesia
| | - Rizki Meizikri
- Department of Neurosurgery, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo Academic General Hospital, Surabaya, Indonesia
| | - Tedy Apriawan
- Department of Neurosurgery, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo Academic General Hospital, Surabaya, Indonesia
| | - Agus Turchan
- Department of Neurosurgery, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo Academic General Hospital, Surabaya, Indonesia
| | - Lucia Yovita Hendrati
- Department of Epidemiology, Population, Biostatistics and Health Promotion, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia
| | - Abdul Hafid Bajamal
- Department of Neurosurgery, Universitas Airlangga Academic Hospital, Surabaya, Indonesia
| | - Muhammad Arifin Parenrengi
- Department of Neurosurgery, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo Academic General Hospital, Surabaya, Indonesia
| | - Budi Utomo
- Department of Public Health Science and Preventive Medicine, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Dyah Fauziah
- Department of Clinical Pathology, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo Academic General Hospital, Surabaya, Indonesia
| | - Priangga Adi Wiratama
- Department of Clinical Pathology, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo Academic General Hospital, Surabaya, Indonesia
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Wittayarat M, Kiatsomboon S, Kupthammasan N, Tipkantha W, Yimprasert S, Thongphakdee A, Panyaboriban S. Detection of Protein Biomarkers Relevant to Sperm Characteristics and Fertility in Semen in Three Wild Felidae: The Flat-Headed Cat ( Prionailurus planiceps), Fishing Cat ( Prionailurus viverrinus), and Asiatic Golden Cat ( Catopuma temminckii). Animals (Basel) 2024; 14:1027. [PMID: 38612267 PMCID: PMC11011130 DOI: 10.3390/ani14071027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 03/22/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
Effective wild cat conservation programs with assisted reproductive technologies are being developed in different parts of the world. The flat-headed cat, fishing cat, and Asiatic golden cat are three species among nine wild Felidae in Thailand that are in need of urgent conservation efforts. Here, we assessed routine sperm characteristics and we report the detection of protein biomarkers related to the fertilization process, IZUMO1 and the CRISP family, and apoptotic markers, active or cleaved caspase-3, in semen samples collected from these wild cats. IZUMO1 was located in the equatorial segment of the sperm head, which is the region involved in gamete interaction. The highest levels of IZUMO1 were found in both the sperm pellet and the seminal plasma of the flat-headed cat, as determined by immunoblotting. CRISP2, a sperm-egg fusion assisting protein, and CRISP3 were found in both the sperm pellet and the seminal plasma, and the highest levels were observed in the fishing cat. Positive correlations between certain semen parameters and IZUMO1, CRISP2, and CRISP3 expression were also demonstrated. Cleaved caspase-3 was found in all sperm samples in all three species and was associated with an increase in DNA fragmentation and a decrease in certain semen characteristics such as motility, viability, and intact acrosomes. Our results suggest that the analysis of IZUMO1, the CRISP family, and cleaved caspase-3, along with the routine sperm characteristics, may allow for better success in breeding management in wild Felidae, particularly in the flat-headed cat and the fishing cat.
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Affiliation(s)
- Manita Wittayarat
- Faculty of Veterinary Science, Prince of Songkla University, Songkhla 90110, Thailand; (M.W.); (N.K.)
| | - Supalak Kiatsomboon
- Animal Conservation and Research Institute, The Zoological Park Organization of Thailand, Bangkok 10300, Thailand; (S.K.); (W.T.)
| | - Navapol Kupthammasan
- Faculty of Veterinary Science, Prince of Songkla University, Songkhla 90110, Thailand; (M.W.); (N.K.)
| | - Wanlaya Tipkantha
- Animal Conservation and Research Institute, The Zoological Park Organization of Thailand, Bangkok 10300, Thailand; (S.K.); (W.T.)
| | - Surasak Yimprasert
- Songkhla Zoo, The Zoological Park Organization of Thailand, Songkhla 90000, Thailand;
| | - Ampika Thongphakdee
- Animal Conservation and Research Institute, The Zoological Park Organization of Thailand, Bangkok 10300, Thailand; (S.K.); (W.T.)
| | - Saritvich Panyaboriban
- Faculty of Veterinary Science, Prince of Songkla University, Songkhla 90110, Thailand; (M.W.); (N.K.)
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Atarashi N, Morishita M, Matsuda S. Activation of innate immune receptor TLR9 by mitochondrial DNA plays essential roles in the chemical long-term depression of hippocampal neurons. J Biol Chem 2024; 300:105744. [PMID: 38354781 PMCID: PMC10943477 DOI: 10.1016/j.jbc.2024.105744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/11/2024] [Accepted: 02/04/2024] [Indexed: 02/16/2024] Open
Abstract
Synaptic plasticity is believed to be the cellular basis for experience-dependent learning and memory. Although long-term depression (LTD), a form of synaptic plasticity, is caused by the activity-dependent reduction of cell surface α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA)-type glutamate receptors (AMPA receptors) at postsynaptic sites, its regulation by neuronal activity is not completely understood. In this study, we showed that the inhibition of toll-like receptor-9 (TLR9), an innate immune receptor, suppresses N-methyl-d-aspartate (NMDA)-induced reduction of cell surface AMPA receptors in cultured hippocampal neurons. We found that inhibition of TLR9 also blocked NMDA-induced activation of caspase-3, which plays an essential role in the induction of LTD. siRNA-based knockdown of TLR9 also suppressed the NMDA-induced reduction of cell surface AMPA receptors, although the scrambled RNA had no effect on the NMDA-induced trafficking of AMPA receptors. Overexpression of the siRNA-resistant form of TLR9 rescued the AMPA receptor trafficking abolished by siRNA. Furthermore, NMDA stimulation induced rapid mitochondrial morphological changes, mitophagy, and the binding of mitochondrial DNA (mtDNA) to TLR9. Treatment with dideoxycytidine and mitochondrial division inhibitor-1, which block mtDNA replication and mitophagy, respectively, inhibited NMDA-dependent AMPA receptor internalization. These results suggest that mitophagy induced by NMDA receptor activation releases mtDNA and activates TLR9, which plays an essential role in the trafficking of AMPA receptors during the induction of LTD.
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Affiliation(s)
- Naoya Atarashi
- Department of Engineering Science, Graduate School of Informatics and Engineering, The University of Electro-Communications, Tokyo, Japan
| | - Misaki Morishita
- Department of Engineering Science, Graduate School of Informatics and Engineering, The University of Electro-Communications, Tokyo, Japan
| | - Shinji Matsuda
- Department of Engineering Science, Graduate School of Informatics and Engineering, The University of Electro-Communications, Tokyo, Japan; Center for Neuroscience and Biomedical Engineering (CNBE), The University of Electro-Communications, Tokyo, Japan.
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Büyükerkmen E, Atay E, Firat F, Yüksek A, Bilir A, Albaş Kurt G, Saritaş A. Effect of sugammadex administration on neural tube development in 48-h chick embryos. Microsc Res Tech 2024; 87:506-515. [PMID: 37933747 DOI: 10.1002/jemt.24452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 08/31/2023] [Accepted: 10/24/2023] [Indexed: 11/08/2023]
Abstract
Sugammadex is a new generation drug that has led to significant changes in the practice of anesthesia. However, its effects on fetal development are not yet fully known. The aim of this study is to investigate the teratogenic effects of sugammadex on neural tube and embryonic development in early chick embryos. In this study, 50 0-day fertile specific non-pathogenic (SPF) eggs were used. Fifty eggs were divided into 5 different groups, each consisting of 10 pieces. While no substance was given to the control group at the 28th hour of the study, 4 different doses of sugammadex were administered to the experimental groups, respectively 2, 4, 8, 16 mg/kg. Cranio-caudal lengths of embryos, somite numbers, average number of argyrophilic nucleolar regulatory regions (AgNOR) per nucleus, total AgNOR area/total nuclear area (TAA/NA) ratios, Caspase-3 H-Score results, and presence of neural tube defect were compared among the groups. While the mean cranio-caudal lengths, somite counts, TAA/NA ratios and AgNOR counts of the embryos were found to be statistically significantly lower than the control group, Caspase-3 H-Score mean results were found to be significantly higher (p < .05). In addition, it was observed that there was an increase in neural tube patency and developmental delay. As a result, sugammadex crossing the placenta was revealed to increase the release of proapopitotic molecules and disrupt the developmental stages of embryos. Thus, it was determined that sugammadex in increased developmental delay and incidence of neural tube defects in early chick embryos with increased dose dependent. Despite these results, the effects of sugammadex on fetal development in in vivo and in vitro environments should be studied with further studies. RESEARCH HIGHLIGHTS: Sugammadex is a new generation drug that has led to significant changes in the practice of anesthesia. However, its effects on fetal development are not yet fully known. It has been observed that different doses of sugammadex increase the risk of neural tube defect development on chick embryos and slow the embryo development in a dose-dependent manner.
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Affiliation(s)
- Elif Büyükerkmen
- Clinic of Anesthesia and Reanimation, Afyonkarahisar State Hospital, Afyonkarahisar, Turkey
| | - Emre Atay
- Department of Anatomy, Faculty of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - Fatma Firat
- Department of Histology and Embryology, Faculty of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - Ahmet Yüksek
- Department of Anesthesia and Reanimation, Faculty of Medicine, Yozgat Bozok University, Yozgat, Turkey
| | - Abdülkadir Bilir
- Department of Anatomy, Faculty of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - Gülan Albaş Kurt
- Department of Anatomy, Faculty of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
| | - Alperen Saritaş
- Department of Anatomy, Faculty of Medicine, Afyonkarahisar Health Sciences University, Afyonkarahisar, Turkey
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Umesh SG, Malaiappan S. Caspase-3 Levels Alter With Non-surgical Periodontal Therapy in Patients With Periodontitis. Cureus 2024; 16:e54119. [PMID: 38487123 PMCID: PMC10939044 DOI: 10.7759/cureus.54119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/13/2024] [Indexed: 03/17/2024] Open
Abstract
Background This study aims to evaluate the levels of caspase-3 in the gingival crevicular fluid (GCF) of chronic periodontitis patients before and after phase I treatment and compare it with those of healthy controls. Methodology The study involved 40 participants who were divided into two groups. Group 1 consisted of 30 chronic periodontitis patients, and group 2 consisted of 10 healthy controls. GCF was collected at baseline for both groups and at three months for group 1. Periodontal parameters and caspase-3 levels were analyzed before and after non-surgical therapy. Results Caspase-3 levels were higher in patients with chronic periodontitis compared with healthy controls. However, comparing baseline and postoperative levels, there was a statistically significant reduction in periodontal parameters and caspase-3 levels, with 0.80 ± 0.03 at baseline and 0.44 ± 0.02 at three months after non-surgical periodontal therapy. Conclusions Caspase-3, being the key molecule in apoptosis, was found to be at lower concentrations in healthy gingiva and was increased in the presence of periodontal disease. However, with non-surgical periodontal therapy, caspase-3 levels decreased, proving that non-surgical periodontal therapy affects host immune mechanisms and reduces apoptosis, thereby preventing disease progression.
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Affiliation(s)
- Santo G Umesh
- Periodontics, SRM Dental College Ramapuram, Chennai, IND
| | - Sankari Malaiappan
- Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
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Fernandes E Mendonça LM, Joshi AB, Bhandarkar A, Joshi H, Joshi S. Phytoconstituents from Piliostigma foveolatum (Dalzell) Thoth. leaves induce antiproliferative effect, apoptosis, and cell cycle arrest in Hop-62 cells. Nat Prod Res 2024; 38:768-772. [PMID: 37013695 DOI: 10.1080/14786419.2023.2197228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 03/25/2023] [Indexed: 04/05/2023]
Abstract
The study evaluated the therapeutic potential of ethanolic leaf extract of Piliostigma foveolatum (Dalzell) Thoth. (EEBF), its toluene, ethylacetate, methanol soluble fractions (viz. TFBF, EFBF, MFBF), and isolated phytoconstituents against lung cancer. Four compounds were isolated from MFBF by column chromatography and preparative HPLC. Structures were elucidated by IR, 13C-NMR, 1H-NMR, mass spectroscopy and identified as Quercetin, Kaempferol, Isorhamnetin, and ß-glucogallin. EEBF and its biofractions exhibited remarkable antiproliferative activity with GI50<85µg/mL, while isolated Quercetin, Kaempferol, Isorhamnetin, and ß-Glucogallin displayed GI50 values of 56.15 ± 1.16 μ M, 68.41 ± 3.98 μ M, 55.08 ± 0.57 μ M and 58.99 ± 12.39 μ M respectively. MFBF demonstrated significant apoptotic activity with 42.24 ± 0.57% cells in early and 4.61 ± 0.88% cells in late apoptosis comparable to standard Doxorubicin. Kaempferol exhibited 23.03 ± 0.37% cells in early and 2.11 ± 0.55% cells in late apoptosis, arresting Hop-62 cells in S-phase. In silico molecular docking, revealed that isolated constituents effectively bound to the same binding site of caspase-3 as Doxorubicin, highlighting their apoptotic mode of action.
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Affiliation(s)
| | - Arun Bhimrao Joshi
- Department of Pharmacognosy and Phytochemistry, Goa College of Pharmacy, Panaji, Goa, India
| | - Anant Bhandarkar
- Department of Pharmacognosy and Phytochemistry, Goa College of Pharmacy, Panaji, Goa, India
| | - Himanshu Joshi
- Department of Pharmacology, College of Pharmacy, Graphic Era Hill University, Bhimtal Campus, Bhimtal, Uttarakhand, India
| | - Shrinivas Joshi
- Department of Pharmaceutical Chemistry, S.E.T.'s College of Pharmacy, Dharwad, Karnataka, India
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Elgendy DI, Elmahy RA, Amer AIM, Ibrahim HA, Eltantawy AF, Mansour FR, Salama AM. Efficacy of artemether against toxocariasis in mice: parasitological and immunopathological changes in brain, liver, and lung. Pathog Glob Health 2024; 118:47-64. [PMID: 37978995 PMCID: PMC10769145 DOI: 10.1080/20477724.2023.2285182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023] Open
Abstract
Toxocariasis is a zoonosis that represents a serious threat to public health particularly in tropical and subtropical areas. Currently, albendazole, the most effective drug for treating visceral toxocariasis, shows moderate efficacy against the larvae in tissues and has some adverse effects. Artemether is an antiparasitic drug mainly used in the treatment of malaria and showed effectiveness against numerous helminthic infections. Besides, it possesses potent anti-inflammatory, antiapoptotic, antifibrotic, and neuroprotective properties. Thus, the study's aim was to investigate artemether's effects in comparison with albendazole on the therapeutic outcome of experimental toxocariasis. For this aim, 140 laboratory-bred mice were divided into four main groups: uninfected control, treatment control, albendazole-treated, and artemether-treated groups. The treatment regimens were started at the 15th dpi (early treatment), and at the 35th dpi (late treatment). The effectiveness of treatment was determined by brain larval count, histopathological, immunohistochemical, and biochemical examination. Artemether showed more effectiveness than albendazole in reducing brain larval counts, markers of brain injury including NF-κB, GFAP, and caspase-3, the diameter and number of hepatic granulomas, hepatic oxidative stress, hepatic IL-6, and TG2 mRNA, and pulmonary inflammation and fibrosis. The efficacy of artemether was the same when administered early or late in the infection. Finally, our findings illustrated that artemether might be a promising therapy for T. canis infection and it could be a good substitution for albendazole in toxocariasis treatment.
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Affiliation(s)
- Dina I. Elgendy
- Medical Parasitology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Rasha A. Elmahy
- Zoology Department, Faculty of Science, Tanta University, Tanta, Egypt
| | | | - Hoda A. Ibrahim
- Medical Biochemistry Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Asmaa Fawzy Eltantawy
- Medical Pharmacology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Fotouh Rashed Mansour
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Amina M. Salama
- Medical Parasitology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
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Demyashkin G, Karakaeva E, Saakian S, Tarusova N, Guseinova A, Vays A, Gotovtsev K, Atiakshin D, Shegai P, Kaprin A. Comparative Characterisation of Proliferation and Apoptosis of Colonic Epithelium after Electron Irradiation with 2 GY and 25 GY. Int J Mol Sci 2024; 25:1196. [PMID: 38256269 PMCID: PMC10817034 DOI: 10.3390/ijms25021196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/03/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
Development of new techniques for multimodal treatment and diagnostics of various neoplasms and the improvement of current techniques can significantly increase the life expectancy of patients with carcinomas of the colon and abdominal-cavity organs, since prevention of various side effects of radiation therapy is one of the main problems of oncological care. Electron irradiation is one of the most promising types of radiation therapy. There are no data on proliferation and apoptosis of the colon epithelium after irradiation with electrons, especially in different modes (single and summary). Morphological evaluation of apoptosis and proliferation of colonic epithelium after local irradiation with electrons were conducted at doses of 2 Gy (Gray) and 25 Gy. Colon fragments from sexually mature Wistar rats (n = 50, body weight 200 ± 10 g) were divided into three groups: I-control (n = 10); II-experimental group (n = 20; local single electron irradiation at a dose of 2 Gy); III-experimental group (n = 30) with local fractional irradiation with electrons at a total dose of 25 Gy. They were studied using light microscopy using hematoxylin and eosin staining and immunohistochemical reactions with antibodies to Ki-67 and caspase-3 (Cas3). Morphological disorders were accompanied by increased expression of pro-apoptotic molecules (caspase-3), and the period of regeneration by proliferative marker (Ki-67). Colon electron irradiation led to disturbances in the histoarchitecture of varying severity, and an increase in cell apoptosis was observed (increased expression of caspase-3 and decrease in Ki-67). In addition, modulation of the PI3K/AKT and MAPK/ERK signalling pathways was detected. The most pronounced destructive changes were observed in the group of 25 Gy fractionated electron irradiation.
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Affiliation(s)
- Grigory Demyashkin
- Laboratory of Histology and Immunohistochemistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
| | - Elza Karakaeva
- Department of Pathomorphology, National Medical Research Centre of Radiology, Ministry of Health of Russia, 125284 Moscow, Russia
| | - Susanna Saakian
- Department of Pathomorphology, National Medical Research Centre of Radiology, Ministry of Health of Russia, 125284 Moscow, Russia
| | - Natalia Tarusova
- Laboratory of Histology and Immunohistochemistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
| | - Amina Guseinova
- Laboratory of Histology and Immunohistochemistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
| | - Anita Vays
- Laboratory of Histology and Immunohistochemistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
| | - Konstantin Gotovtsev
- Laboratory of Histology and Immunohistochemistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
| | - Dmitrii Atiakshin
- Research and Educational Resource Center for Immunophenotyping, Digital Spatial Profiling and Ultrastructural Analysis Innovative Technologies, RUDN University, 117198 Moscow, Russia
| | - Petr Shegai
- Department of Pathomorphology, National Medical Research Centre of Radiology, Ministry of Health of Russia, 125284 Moscow, Russia
| | - Andrey Kaprin
- Department of Pathomorphology, National Medical Research Centre of Radiology, Ministry of Health of Russia, 125284 Moscow, Russia
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Tang SH, Tang X, Liu L, Peng L, Zhang HM, Zhang H, Long T, Wu PL, Zhang XP. Role of NF-κB p65/TNF-α in Cell Apoptosis in the Fetal Membranes of Pregnant Women with Preterm Premature Rupture of Membranes. Ann Clin Lab Sci 2024; 54:26-34. [PMID: 38514058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
OBJECTIVE This study aimed to investigate the roles of nuclear factor-kappa B p65 (NF-[Formula: see text]B p65) and tumor necrosis factor-α (TNF-α) in cell apoptosis occurring in the fetal membranes of pregnant women who experience preterm premature rupture of membranes (PPROM). METHODS This was a case-control study involving 57 pregnant women who delivered in the obstetric department of Affiliated Loudi Hospital, Hengyang Medical School, University of South China, from June 2021 to June 2022. Samples of fetal membrane tissue were collected from pregnant women with PPROM (n=27) and pregnant women who had normal deliveries (control group; n=30). The membrane tissue morphology of both groups was observed, and the expression of NF-[Formula: see text]B p65, p-NF-[Formula: see text]B p65, TNF-α, and caspase-3 was detected. Apoptosis in fetal membranes was examined. RESULTS Morphological evaluation of the fetal membrane tissues obtained from patients with PPROM revealed an abnormal structure with a thin collagen fiber layer and cells with a largely vacuolar cytoplasm. There was a positive correlation between the expression of p-NF-[Formula: see text]B p65/NF-[Formula: see text]B p65 and cell apoptosis (r1 =0.89, R2 =0.805, P=0.00). Furthermore, TNF-α was positively correlated with fetal membrane cell apoptosis (r2 =0.93, R2=0.881, P=0.00). CONCLUSION NF-[Formula: see text]B p65 is involved in the occurrence of PPROM by promoting the expression of TNF-α, which upregulates caspase-3 to cause apoptosis of fetal membrane cells.
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Affiliation(s)
- Shi-Huan Tang
- Department of Reproduction Medicine Center, The Affiliated Loudi Hospital, Hengyang Medical School, University of South China, Loudi, Hunan, China
| | - Xian Tang
- Department of Reproduction Medicine Center, The Affiliated Loudi Hospital, Hengyang Medical School, University of South China, Loudi, Hunan, China
| | - Ling Liu
- Department of Reproduction Medicine Center, The Affiliated Loudi Hospital, Hengyang Medical School, University of South China, Loudi, Hunan, China
| | - Lu Peng
- Department of Reproduction Medicine Center, The Affiliated Loudi Hospital, Hengyang Medical School, University of South China, Loudi, Hunan, China
| | - Hong-Mei Zhang
- Department of Reproduction Medicine Center, The Affiliated Loudi Hospital, Hengyang Medical School, University of South China, Loudi, Hunan, China
| | - Hui Zhang
- Department of Reproduction Medicine Center, The Affiliated Loudi Hospital, Hengyang Medical School, University of South China, Loudi, Hunan, China
| | - Ting Long
- Department of Technical Medical, Loudi Vocational and Technical Medical College, Loudi, Hunan, China
| | - Pei-Ling Wu
- Department of Reproduction Medicine Center, The Affiliated Loudi Hospital, Hengyang Medical School, University of South China, Loudi, Hunan, China
| | - Xian-Ping Zhang
- Department of Reproduction Medicine Center, The Affiliated Loudi Hospital, Hengyang Medical School, University of South China, Loudi, Hunan, China
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Wu Y, Lian F, Chen H, Zhang C, Wei L, Tian H. Molecular Mechanism of Caulis Spatholobi in the Treatment of Chronic Myeloid Leukemia based on Network Pharmacology and Experimental Verification. Curr Comput Aided Drug Des 2024; 20:49-59. [PMID: 37073142 PMCID: PMC10641855 DOI: 10.2174/1573409919666230417085106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 01/27/2023] [Accepted: 02/20/2023] [Indexed: 04/20/2023]
Abstract
BACKGROUND Caulis Spatholobi is one of the necessary Chinese herbal medicines for hematologists in the treatment of malignant tumors, but its potential targets and molecular mechanisms need further exploration. OBJECTIVE This study aimed to predict the relevant targets of the treatment of chronic myeloid leukemia (CML) with Caulis Spatholobi by applying the network pharmacology method, and in vitro cell experiments were conducted to verify the mechanism of Caulis Spatholobi in the treatment of CML. METHODS TCMSP, ETCM, Genecards, and GisGeNET databases were used to obtain relevant targets of Caulis Spatholobi in the treatment of CML. Go and KEGG analyses were performed using the David database. Using Cytoscape 3.7.2, the "active compounds-targets-pathways" network was constructed. Further validation was carried out by pharmacological experiments in vitro. The proliferation and apoptosis of K562 cells were observed by the MTT method and Hoechst 33242 fluorescence staining method. The predicted targets and their related signal pathways were verified by western blotting. RESULTS In this study, 18 active compounds and 43 potential targets were obtained. The results of the MTT method showed that compared with the normal control group, 62.5-500 μg/mL alcohol extract of Caulis Spatholobi had an obvious inhibitory effect on K562 and the IC50 value was less than 100 μg/mL. The Hoechst 33242 fluorescence staining method showed that the alcohol extract of Caulis Spatholobi could promote apoptosis. The results of western blotting showed that compared with the normal control group, the expressions of Bax and Caspase-3 proteins in the 62.5 and 125 μg/mL alcohol extract of Caulis Spatholobi groups were significantly up-regulated (p < 0.05). The expression of Bcl-2 in the 125 μg/mL alcohol extract of the Caulis Spatholobi group was significantly down-regulated (p < 0.01), and the expression of Bcl-2 in the 62.5 and 31.25 μg/mL alcohol extract of Caulis Spatholobi groups was also significantly down-regulated (p < 0.05). It showed that the ethanol extract of Caulis Spatholobus could promote apoptosis by up-regulating the expression of Bax and caspase-3 and down-regulating the expression of the Bcl-2 protein. CONCLUSION The treatment of Caulis Spatholobi for CML has the characteristics of multi-targets and multi-pathways. The results of in vitro pharmacological experiments demonstrated that its mechanism of action might be based on the expression of key target proteins, such as Caspase-3, Bcl-2, and Bax, thereby inhibiting cell proliferation and promoting cell apoptosis, which provides a scientific basis for the treatment of CML.
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Affiliation(s)
- Yanchun Wu
- School of Pharmacy, Guangxi University of Chinese Medicine, Guangxi, 530200, China
| | - Fangfang Lian
- The First Affiliated Hospital of Guangxi Medical University, Guangxi, 530021, China
| | - Hongxia Chen
- School of Pharmacy, Guangxi University of Chinese Medicine, Guangxi, 530200, China
| | - Chaoyu Zhang
- School of Pharmacy, Guangxi University of Chinese Medicine, Guangxi, 530200, China
| | - Linli Wei
- School of Pharmacy, Guangxi University of Chinese Medicine, Guangxi, 530200, China
| | - Hui Tian
- School of Pharmacy, Guangxi University of Chinese Medicine, Guangxi, 530200, China
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Liu X, Liu J, Yan B, Quan Z, Wang X, Ma Y, Alarfaj AA, Yan L. Study of the PI3K/Akt/mTOR signaling pathway in vitro and molecular docking analysis of periplocin inhibits cell cycle progression and induces apoptosis in MDA-MB-231. Environ Toxicol 2024; 39:444-456. [PMID: 37792628 DOI: 10.1002/tox.23981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 08/15/2023] [Accepted: 09/18/2023] [Indexed: 10/06/2023]
Abstract
Breast cancer mainly affects women and is the second leading cause of cancer-related deaths worldwide. Breast cancer affects women aged 15-59. The current study explored periplocin's anticancer activities against breast cancer MDA-MB-231 cells by down-regulating the PI3K/Akt/mTOR pathway. The MTT assay assessed control-treated and periplocin (2.5-50 μM) treated MDA-MB-231 cell viability. ROS accumulation and apoptosis levels in periplocin-treated cells were examined using DAPI, dual staining, and Annexin V-FITC/PI assays. Caspase enzymes were studied using assay kits. Flow cytometry was used to measure cell cycle distributions. Periplocin-treated cells were analyzed using RT-PCR assays and insilico analyses for the expression of PI3K/Akt/mTOR molecules. The periplocin treatment remarkably reduced the viability of the MDA-MB-231 cells, with an IC50 concentration of 7.5 μM. The fluorescent staining assays revealed a substantial increase in ROS levels and apoptotic events in the periplocin-treated cells. The flow cytometry analysis revealed that periplocin triggered apoptosis and arrested the cell cycle in G0/G1 phases. Periplocin increased the caspase-3, -8, and -9 enzyme activities. In MDA-MB-231 cells, Periplocin decreased PI3K/Akt/mTOR activity, and in silico analysis, Periplocin was inhibited by CDK8-Cyclin C interactions. Periplocin has anticancer properties against breast cancer and may be an effective therapeutic agent for treating breast cancer.
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Affiliation(s)
- Xiaomin Liu
- Thyroid and Breast Surgery, Xi'an International Medical Center Hospital, Xi'an, Shaanxi Province, China
| | - Jinsheng Liu
- Thyroid and Breast Surgery, Xi'an International Medical Center Hospital, Xi'an, Shaanxi Province, China
| | - Bing Yan
- Clinical Experimental Center, Xi'an International Medical Center Hospital, Xi'an, Shaanxi Province, China
- Xi'an Engineering Technology Research Center for Cardiovascular Active Peptide, Xi'an, Shaanxi Province, China
| | - Zhuo Quan
- Clinical Experimental Center, Xi'an International Medical Center Hospital, Xi'an, Shaanxi Province, China
- Xi'an Engineering Technology Research Center for Cardiovascular Active Peptide, Xi'an, Shaanxi Province, China
| | - Xiaolong Wang
- Thyroid and Breast Surgery, Xi'an International Medical Center Hospital, Xi'an, Shaanxi Province, China
| | - Yujing Ma
- Thyroid and Breast Surgery, Xi'an International Medical Center Hospital, Xi'an, Shaanxi Province, China
| | - Abdullah A Alarfaj
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Lei Yan
- Clinical Experimental Center, Xi'an International Medical Center Hospital, Xi'an, Shaanxi Province, China
- Xi'an Engineering Technology Research Center for Cardiovascular Active Peptide, Xi'an, Shaanxi Province, China
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17
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Jantas D, Warszyński P, Lasoń W. Carnosic Acid Shows Higher Neuroprotective Efficiency than Edaravone or Ebselen in In Vitro Models of Neuronal Cell Damage. Molecules 2023; 29:119. [PMID: 38202702 PMCID: PMC10779571 DOI: 10.3390/molecules29010119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
This study compared the neuroprotective efficacy of three antioxidants-the plant-derived carnosic acid (CA), and two synthetic free radical scavengers: edaravone (ED) and ebselen (EB)-in in vitro models of neuronal cell damage. Results showed that CA protected mouse primary neuronal cell cultures against hydrogen peroxide-induced damage more efficiently than ED or EB. The neuroprotective effects of CA were associated with attenuation of reactive oxygen species level and increased mitochondrial membrane potential but not with a reduction in caspase-3 activity. None of the tested substances was protective against glutamate or oxygen-glucose deprivation-evoked neuronal cell damage, and EB even increased the detrimental effects of these insults. Further experiments using the human neuroblastoma SH-SY5Y cells showed that CA but not ED or EB attenuated the cell damage induced by hydrogen peroxide and that the composition of culture medium is the critical factor in evaluating neuroprotective effects in this model. Our data indicate that the neuroprotective potential of CA, ED, and EB may be revealed in vitro only under specific conditions, with their rather narrow micromolar concentrations, relevant cellular model, type of toxic agent, and exposure time. Nevertheless, of the three compounds tested, CA displayed the most consistent neuroprotective effects.
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Affiliation(s)
- Danuta Jantas
- Maj Institute of Pharmacology, Polish Academy of Sciences, Department of Experimental Neuroendocrinology, 31-343 Krakow, Poland;
| | - Piotr Warszyński
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, 30-239 Krakow, Poland;
| | - Władysław Lasoń
- Maj Institute of Pharmacology, Polish Academy of Sciences, Department of Experimental Neuroendocrinology, 31-343 Krakow, Poland;
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Kariya Y, Gu J, Kariya Y. Integrin α6β4 Confers Doxorubicin Resistance in Cancer Cells by Suppressing Caspase-3-Mediated Apoptosis: Involvement of N-Glycans on β4 Integrin Subunit. Biomolecules 2023; 13:1752. [PMID: 38136623 PMCID: PMC10741852 DOI: 10.3390/biom13121752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/01/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023] Open
Abstract
Drug resistance is a major obstacle to successful cancer treatment. Therefore, it is essential to understand the molecular mechanisms underlying drug resistance to develop successful therapeutic strategies. α6β4 integrin confers resistance to apoptosis and regulates the survival of cancer cells; however, it remains unclear whether α6β4 integrin is directly involved in chemoresistance. Here, we show that α6β4 integrin promotes doxorubicin resistance by decreasing caspase-3-mediated apoptosis. We found that the overexpression of α6β4 integrin by the β4 integrin gene rendered MDA-MB435S and Panc-1 cells more resistant to doxorubicin than control cells. The acquired resistance to doxorubicin by α6β4 integrin expression was abolished by the deletion of the cytoplasmic signal domain in β4 integrin. Similar results were found in MDA-MB435S and Panc-1 cells when N-glycan-defective β4 integrin mutants were overexpressed or bisecting GlcNAc residues were increased on β4 integrin by the co-expression of N-acetylglucosaminyltransferase III with β4 integrin. The abrogation of α6β4 integrin-mediated resistance to doxorubicin was accompanied by reduced cell viability and an increased caspase-3 activation. Taken together, our results clearly suggest that α6β4 integrin signaling plays a key role in the doxorubicin resistance of cancer cells, and N-glycans on β4 integrin are involved in the regulation of cancer cells.
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Affiliation(s)
- Yoshinobu Kariya
- Department of Biochemistry, Fukushima Medical University, Fukushima City 960-1295, Japan
| | - Jianguo Gu
- Division of Regulatory Glycobiology, Institute of Molecular Biomembrane and Glycobiology, Tohoku Medical and Pharmaceutical University, Komatsushima 981-8558, Japan;
| | - Yukiko Kariya
- Medical-Industrial Translational Research Center, Fukushima Medical University, Fukushima City 960-1295, Japan
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Iriani A, Rachman A, Setiabudy RD, Kresno SB, Sudoyo AW, Arief M, Harahap AR, Fatina MK. TNFα induces Caspase-3 activity in hematopoietic progenitor cells CD34+, CD33+, and CD41 + of myelodysplastic syndromes. BMC Mol Cell Biol 2023; 24:33. [PMID: 37990142 PMCID: PMC10662645 DOI: 10.1186/s12860-023-00495-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/08/2023] [Indexed: 11/23/2023] Open
Abstract
BACKGROUND Cytopenia is the primary feature of Myelodysplastic Syndrome, even in the presence of hypercellular bone marrow. TNFα is recognized as both a proinflammatory, and proapoptotic cytokine with a well established role in promoting apoptosis in MDS. Therefore, TNFα has the potential to be a valuable biomarker for predicting the progression of cytopenia in MDS. This study aims to establish the role of TNFα exposure in triggering apoptosis through caspase-3 activity in CD34+, CD33+, and CD41 + cells in MDS. METHODS This study is an in vitro comparative experimental research. Bone marrow mononuclear cells were isolated as the source of hematopoietic progenitor cells. Subsequently, CD34+, CD33+, and CD41 + cells were exposed to rhTNFα, and the caspase-3 activity was measured using flowcytometry. RESULTS In MDS CD33 + and CD41 + caspase-3 activity of rhTNFα exposed cells was significantly higher than without exposed cells. The opposite result was found in CD34 + cells, where the caspase-3 activity without rhTNFα exposed cells was significantly higher than rhTNFα exposed cells. CONCLUSION rhTNFα exposure led to an elevation in caspase-3 activity in MDS progenitor cells, especially in those that had differentiated into myeloid cell CD33 + and megakaryocyte cell CD41+, as opposed to the early progenitor cells CD34+.
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Affiliation(s)
- Anggraini Iriani
- Department of Clinical Pathology, Faculty of Medicine, Yarsi University - Yarsi Hospital, Jl. Letjen Suprapto Kav 13, Cempaka Putih, Jakarta, 10510, Indonesia.
| | - Andhika Rachman
- Division of Hematology and Medical Oncology, Department of Internal Medicine, Faculty of Medicine, Universitas Indonesia - Dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia
| | | | - Siti B Kresno
- Department of Clinical Pathology, University of Indonesia, Jakarta, Indonesia
| | - Aru W Sudoyo
- Division of Hematology and Medical Oncology, Department of Internal Medicine, Faculty of Medicine, Universitas Indonesia - Dr. Cipto Mangunkusumo General Hospital, Jakarta, Indonesia
| | - Mansyur Arief
- Department of Clinical Pathology, Hasanuddin University, Makasar, Indonesia
| | - Alida R Harahap
- Department of Clinical Pathology, University of Indonesia, Jakarta, Indonesia
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Bana S, Kumar N, Sartaj A, Alhalmi A, Qurtam AA, Nasr FA, Al-Zharani M, Singh N, Gaur P, Mishra R, Bhardwaj S, Ali H, Goel R. Rubia cordifolia L. Attenuates Diabetic Neuropathy by Inhibiting Apoptosis and Oxidative Stress in Rats. Pharmaceuticals (Basel) 2023; 16:1586. [PMID: 38004451 PMCID: PMC10674165 DOI: 10.3390/ph16111586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/12/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND Diabetic neuropathy is a debilitating manifestation of long-term diabetes mellitus. The present study explored the effects of the roots of Rubia cordifolia L. (R. cordifolia L.) in the Wistar rat model for diabetic neuropathy and possible neuroprotective, antidiabetic, and analgesic mechanisms underlying this effect. MATERIALS AND METHODS Rats were divided into five experimental groups. An amount of 0.25% carboxy methyl cellulose (CMC) in saline and streptozotocin (STZ) (60 mg/kg) was given to group 1 and group 2, respectively. Group 3 was treated with STZ and glibenclamide simultaneously while groups 4 and 5 were simultaneously treated with STZ and hydroalcoholic extract of the root of R. cordifolia, respectively. Hot plate and cold allodynias were used to evaluate the pain threshold. The antioxidant effects of R. cordifolia were assessed by measuring Thiobarbituric acid reactive substances (TBARS), reduced glutathione (GSH), catalase (CAT), and superoxide dismutase (SOD). At the end of the study, sciatic nerve and brain tissues were collected for histopathological study. Bcl-2 proteins, cleaved caspase-3, and Bax were assessed through the Western blot method. RESULTS R. cordifolia significantly attenuated paw withdrawal and tail flick latency in diabetic neuropathic rats. R. cordifolia significantly (p < 0.01) improved the levels of oxidative stress. It was found to decrease blood glucose levels and to increase animal weight in R. cordifolia-treated groups. Treatment with R. cordifolia suppressed the cleaved caspase-3 and reduced the Bax:Bcl2 ratio in sciatic nerve and brain tissue compared to the diabetic group. Histopathological analysis also revealed a marked improvement in architecture and loss of axons in brain and sciatic nerve tissues at a higher dose of R. cordifolia (400 mg/kg). CONCLUSION R. cordifolia attenuated diabetic neuropathy through its antidiabetic and analgesic properties by ameliorating apoptosis and oxidative stress.
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Affiliation(s)
- Sweeti Bana
- Department of Pharmacology, Lloyd School of Pharmacy, Greater Noida 201306, India;
| | - Nitin Kumar
- Department of Pharmacy, Meerut Institute of Technology, Meerut 250103, India; (N.K.); (H.A.)
| | - Ali Sartaj
- Department of Pharmaceutics, Lloyd School of Pharmacy, Greater Noida 201306, India;
| | - Abdulsalam Alhalmi
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India;
| | - Ashraf Ahmed Qurtam
- Department of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; (A.A.Q.); (F.A.N.); (M.A.-Z.)
| | - Fahd A. Nasr
- Department of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; (A.A.Q.); (F.A.N.); (M.A.-Z.)
| | - Mohammed Al-Zharani
- Department of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; (A.A.Q.); (F.A.N.); (M.A.-Z.)
| | - Neelam Singh
- Department of Pharmacy, ITS College of Pharmacy, Muradnagar 201206, India;
| | - Praveen Gaur
- Department of Pharmacy, Metro College of Health Sciences and Research, Plot No.-41, Knowledge Park-III, Uttar Pradesh 201306, India; (P.G.); (R.M.)
| | - Rosaline Mishra
- Department of Pharmacy, Metro College of Health Sciences and Research, Plot No.-41, Knowledge Park-III, Uttar Pradesh 201306, India; (P.G.); (R.M.)
| | - Snigdha Bhardwaj
- Department of Pharmacy, Noida Institute of Engineering and Technology, Greater Noida 201306, India;
| | - Hasan Ali
- Department of Pharmacy, Meerut Institute of Technology, Meerut 250103, India; (N.K.); (H.A.)
| | - Radha Goel
- Department of Pharmacology, Lloyd Institute of Management & Technology, Plot No.-11, Knowledge Park-II, Greater Noida 201306, India
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Dou H, Yu PY, Liu YQ, Zhu Y, Li FC, Wang YY, Chen XY, Xiao M. Recent advances in caspase-3, breast cancer, and traditional Chinese medicine: a review. J Chemother 2023:1-19. [PMID: 37936479 DOI: 10.1080/1120009x.2023.2278014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 10/27/2023] [Indexed: 11/09/2023]
Abstract
Caspases (cysteinyl aspartate-specific proteinases) are a group of structurally similar proteases in the cytoplasm that can be involved in cell differentiation, programmed death, proliferation, and inflammatory generation. Experts have found that caspase-3 can serve as a terminal splicing enzyme in apoptosis and participate in the mechanism by which cytotoxic drugs kill cancer cells. Breast cancer (BC) has become the most common cancer among women worldwide, posing a severe threat to their lives. Finding new therapeutic targets for BC is the primary task of contemporary physicians. Numerous studies have revealed the close association between caspase-3 expression and BC. Caspase-3 is essential in BC's occurrence, invasion, and metastasis. In addition, Caspase-3 exerts anticancer effects by regulating cell death mechanisms. Traditional Chinese medicine acting through caspase-3 expression is increasingly used in clinical treatment. This review summarizes the biological mechanism of caspase-3 and research progress on BC. It introduces a variety of traditional Chinese medicine related to caspase-3 to provide new ideas for the clinical treatment of BC.
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Affiliation(s)
- He Dou
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, P. R. China
| | - Ping Yang Yu
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, P. R. China
| | - Yu Qi Liu
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, P. R. China
| | - Yue Zhu
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, P. R. China
| | - Fu Cheng Li
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, P. R. China
| | - You Yu Wang
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, P. R. China
| | - Xing Yan Chen
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, P. R. China
| | - Min Xiao
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, P. R. China
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Njoku CA, Ileola-Gold AV, Adelaja UA, Ikeji CN, Owoeye O, Adedara IA, Farombi EO. Amelioration of neurobehavioral, biochemical, and morphological alterations associated with silver nanoparticles exposure by taurine in rats. J Biochem Mol Toxicol 2023; 37:e23457. [PMID: 37437208 DOI: 10.1002/jbt.23457] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 05/18/2023] [Accepted: 07/04/2023] [Indexed: 07/14/2023]
Abstract
The adverse effect of silver nanoparticles (AgNPs) on the nervous system is an emerging concern of public interest globally. Taurine, an essential amino acid required for neurogenesis in the nervous system, is well-documented to possess antioxidant, anti-inflammatory, and antiapoptotic activities. Yet, there is no report in the literature on the effect of taurine on neurotoxicity related to AgNPs exposure. Here, we investigated the neurobehavioral and biochemical responses associated with coexposure to AgNPs (200 µg/kg body weight) and taurine (50 and 100 mg/kg body weight) in rats. Locomotor incompetence, motor deficits, and anxiogenic-like behavior induced by AgNPs were significantly alleviated by both doses of taurine. Taurine administration enhanced exploratory behavior typified by increased track plot densities with diminished heat maps intensity in AgNPs-treated rats. Biochemical data indicated that the reduction in cerebral and cerebellar acetylcholinesterase activity, antioxidant enzyme activities, and glutathione level by AgNPs treatment were markedly upturned by both doses of taurine. The significant abatement in cerebral and cerebellar oxidative stress indices namely reactive oxygen and nitrogen species, hydrogen peroxide, and lipid peroxidation was evident in rats cotreated with AgNPs and taurine. Further, taurine administration abated nitric oxide and tumor necrosis factor-alpha levels cum myeloperoxidase and caspase-3 activities in AgNPs-treated rats. Amelioration of AgNPs-induced neurotoxicity by taurine was confirmed by histochemical staining and histomorphometry. In conclusion, taurine via attenuation of oxido-inflammatory stress and caspase-3 activation protected against neurotoxicity induced by AgNPs in rats.
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Affiliation(s)
- Chiwueze A Njoku
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Ayomitan V Ileola-Gold
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Uthman A Adelaja
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Cynthia N Ikeji
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Olatunde Owoeye
- Department of Anatomy, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Isaac A Adedara
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Ebenezer O Farombi
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
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Yuan X, Niu Z, Liu L, Zeng Y, Ma L, Nie Z, Tian Z, Kai D, Zhang F, Liu G, Li S, Yuan Z. Intensity Interrogation-Based High-Sensitivity Surface Plasmon Resonance Imaging Biosensor for Apoptosis Detection in Cancer. Biosensors (Basel) 2023; 13:946. [PMID: 37887139 PMCID: PMC10605221 DOI: 10.3390/bios13100946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/14/2023] [Accepted: 10/18/2023] [Indexed: 10/28/2023]
Abstract
Intensity interrogation-based surface plasmon resonance imaging (ISPRi) sensing has a simple schematic design and is the most widely used surface plasmon resonance technology at present. In this study, we report the successful development of a novel high-sensitivity ISPRi biosensor and its application for apoptosis detection in cancer cells. By optimizing the excitation wavelength and excitation angle, we achieved a refractive index resolution (RIR) of 5.20 × 10-6 RIU. Importantly, the biosensor has been tested and validated for high-throughput and label-free detection of activated caspase-3 with its specific inhibitor Z-DEVD-FMK in apoptotic cells. Therefore, this study describes a novel molecular imaging system to monitor apoptosis in cancers for disease diagnosis and/or evaluation of therapeutic efficacy of anti-cancer drugs.
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Affiliation(s)
- Xin Yuan
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China; (X.Y.); (L.L.)
| | - Zhenxiao Niu
- School of Physics & Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China; (Z.N.); (L.M.); (Z.N.); (D.K.); (F.Z.); (G.L.)
| | - Lang Liu
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China; (X.Y.); (L.L.)
| | - Youjun Zeng
- School of Physics & Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China; (Z.N.); (L.M.); (Z.N.); (D.K.); (F.Z.); (G.L.)
| | - Lin Ma
- School of Physics & Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China; (Z.N.); (L.M.); (Z.N.); (D.K.); (F.Z.); (G.L.)
| | - Zhaogang Nie
- School of Physics & Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China; (Z.N.); (L.M.); (Z.N.); (D.K.); (F.Z.); (G.L.)
- School of Physical Science and Information Technology, Liaocheng University, Liaocheng 252059, China;
| | - Zhen Tian
- School of Physical Science and Information Technology, Liaocheng University, Liaocheng 252059, China;
| | - Dongyun Kai
- School of Physics & Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China; (Z.N.); (L.M.); (Z.N.); (D.K.); (F.Z.); (G.L.)
| | - Fangteng Zhang
- School of Physics & Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China; (Z.N.); (L.M.); (Z.N.); (D.K.); (F.Z.); (G.L.)
| | - Guanyu Liu
- School of Physics & Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China; (Z.N.); (L.M.); (Z.N.); (D.K.); (F.Z.); (G.L.)
| | - Siwei Li
- School of Mechano-Electronic Engineering, Zhuhai City Polytechnic, Zhuhai 519000, China;
| | - Zhengqiang Yuan
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China; (X.Y.); (L.L.)
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24
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Du T, Ma C, Wang Z, Hao Y, Zhang W. Distribution and Degradation of Pork Filamin during Postmortem Aging. J Agric Food Chem 2023; 71:15287-15295. [PMID: 37788342 DOI: 10.1021/acs.jafc.3c04208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
The filamin C (FLNC) was hypothesized to be colocalized with its certain binding partners in pork tissues and calpain as well as caspase was assumed responsible for the postmortem degradation of FLNC. Therefore, the specific distribution of pork FLNC and its degradation pattern during postmortem aging were investigated in this study. The longissimus thoracis muscles from 12 pigs were removed from the carcasses and then aged at 4 °C for 1, 6, 12, 24, 72, and 168 h, respectively. The FLNC signals appeared to localize in subsarcolemmal areas by cross-sectional images, while the localization was found surrounding the myofibrils at the level of the Z-discs in longitudinal sections. FLNC displayed a highly overlapped spatial colocalization with actin or integrin. Western blot results showed that the intact 290 kDa FLNC was rapidly degraded to produce an approximately 280 kDa band. An almost overlapped distribution pattern was observed between FLNC and μ-calpain or caspase-3 in porcine skeletal muscle cells. Moreover, both the μ-calpain inhibitor and the caspase-3 inhibitor could inhibit the degradation of FLNC in porcine LT muscles during postmortem aging.
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Affiliation(s)
- Tongyao Du
- State Key Laboratory of Meat Quality Control and Cultured Meat Development, Ministry of Education China, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Chao Ma
- State Key Laboratory of Meat Quality Control and Cultured Meat Development, Ministry of Education China, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Zixu Wang
- State Key Laboratory of Meat Quality Control and Cultured Meat Development, Ministry of Education China, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yuejing Hao
- State Key Laboratory of Meat Quality Control and Cultured Meat Development, Ministry of Education China, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Wangang Zhang
- State Key Laboratory of Meat Quality Control and Cultured Meat Development, Ministry of Education China, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
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25
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Bima A, Eldakhakhny B, Alamoudi AA, Awan Z, Alnami A, Abo-Elkhair SM, Sakr H, Ghoneim FM, Elsamanoudy A. Molecular Study of the Protective Effect of a Low-Carbohydrate, High-Fat Diet against Brain Insulin Resistance in an Animal Model of Metabolic Syndrome. Brain Sci 2023; 13:1383. [PMID: 37891752 PMCID: PMC10605073 DOI: 10.3390/brainsci13101383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 09/25/2023] [Accepted: 09/27/2023] [Indexed: 10/29/2023] Open
Abstract
Brain insulin resistance is linked to metabolic syndrome (MetS). A low-carbohydrate, high-fat (LCHF) diet has been proposed to have a protective effect. Therefore, this study aimed to investigate the brain insulin resistance markers in a rat animal model of MetS and the protective effects of the LCHF diet. Four groups of male rats (10/group) were created. Group I (Control) was fed a regular diet. Groups II-IV were injected with dexamethasone (DEX) to induce MetS. Group II received DEX with a regular diet. Group III (DEX + LCHF) rates were fed a low-carbohydrate, high-fat diet, while Group IV (DEX + HCLF) rats were fed a high-carbohydrate, low-fat (HCLF) diet. At the end of the four-week experiment, HOMA-IR was calculated. Moreover, cerebral gene expression analysis of S-100B, BDNF, TNF-α, IGF-1, IGF-1 R, IGFBP-2, IGFBP-5, Bax, Bcl-2, and caspase-3 was carried out. In the DEX group, rats showed a significant increase in the HOMA-IR and a decrease in the gene expression of IGF-1, IGF-1 R, IGFBP-2, IGFBP-5, BDNF, and Bcl2, with a concomitant rise in S100B, TNF-α, Bax, and caspase-3. The LCHF diet group showed a significantly opposite effect on all parameters. In conclusion, MetS is associated with dysregulated cerebral gene expression of BDNF, S100B, and TNF-α and disturbed IGF-1 signaling, with increased apoptosis and neuroinflammation. Moreover, the LCHF diet showed a protective effect, as evidenced by preservation of the investigated biochemical and molecular parameters.
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Affiliation(s)
- Abdulhadi Bima
- Clinical Biochemistry Department, Faculty of Medicine, King Abdulaziz University, Jeddah 21465, Saudi Arabia; (A.B.); (B.E.); (A.A.A.); (Z.A.); (A.A.)
| | - Basmah Eldakhakhny
- Clinical Biochemistry Department, Faculty of Medicine, King Abdulaziz University, Jeddah 21465, Saudi Arabia; (A.B.); (B.E.); (A.A.A.); (Z.A.); (A.A.)
- Food, Nutrition, and Lifestyle Research Unit, King Fahd for Medical Research Centre, King Abdulaziz University, Jeddah 21465, Saudi Arabia
| | - Aliaa A. Alamoudi
- Clinical Biochemistry Department, Faculty of Medicine, King Abdulaziz University, Jeddah 21465, Saudi Arabia; (A.B.); (B.E.); (A.A.A.); (Z.A.); (A.A.)
| | - Zuhier Awan
- Clinical Biochemistry Department, Faculty of Medicine, King Abdulaziz University, Jeddah 21465, Saudi Arabia; (A.B.); (B.E.); (A.A.A.); (Z.A.); (A.A.)
| | - Abrar Alnami
- Clinical Biochemistry Department, Faculty of Medicine, King Abdulaziz University, Jeddah 21465, Saudi Arabia; (A.B.); (B.E.); (A.A.A.); (Z.A.); (A.A.)
| | - Salwa Mohamed Abo-Elkhair
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt;
| | - Hussein Sakr
- Physiology Department, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat 123, Oman;
- Medical Physiology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Fatma Mohamed Ghoneim
- Faculty Development Unit, Physiological Science and Medical Education Department, Fakeeh College for Medical Sciences, Jeddah 23323, Saudi Arabia;
| | - Ayman Elsamanoudy
- Clinical Biochemistry Department, Faculty of Medicine, King Abdulaziz University, Jeddah 21465, Saudi Arabia; (A.B.); (B.E.); (A.A.A.); (Z.A.); (A.A.)
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt;
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Sitovskaya D, Zabrodskaya Y, Parshakov P, Sokolova T, Kudlay D, Starshinova A, Samochernykh K. Expression of Cytoskeletal Proteins (GFAP, Vimentin), Proapoptotic Protein ( Caspase-3) and Protective Protein (S100) in the Epileptic Focus in Adults and Children with Drug-Resistant Temporal Lobe Epilepsy Associated with Focal Cortical Dysplasia. Int J Mol Sci 2023; 24:14490. [PMID: 37833937 PMCID: PMC10572279 DOI: 10.3390/ijms241914490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 09/01/2023] [Accepted: 09/10/2023] [Indexed: 10/15/2023] Open
Abstract
The European Commission of the International League Against Epilepsy (ILAE) has identified glial mechanisms of seizures and epileptogenesis as top research priorities. The aim of our study was to conduct a comparative analysis of the expression levels of cytoskeletal proteins (glial fibrillar acidic protein (GFAP) and vimentin), protective protein S100, and proapoptotic caspase-3 protein in patients with drug-resistant epilepsy (DRE) associated with focal cortical dysplasia (FCD). We aimed to investigate how the expression levels of these proteins depend on age (both in children and adults), gender, and disease duration, using immunohistochemistry. Nonparametric statistical methods were employed for data analysis. In the epileptic focus area of the cortex and white matter in patients with FCD-associated temporal lobe DRE, a higher level of expression of these proteins was observed. Age and gender differences were found for vimentin and S100. In the early stages of disease development, there was a compensatory sequential increase in the expression of cytoskeletal and protective proteins. In patients with DRE, depending on the disease duration, patterns of development of neurodegeneration were noted, which is accompanied by apoptosis of gliocytes. These results provide insights into epilepsy mechanisms and may contribute to improving diagnostic and treatment approaches.
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Affiliation(s)
- Darya Sitovskaya
- Polenov Neurosurgical Institute—Branch of Almazov National Medical Research Centre, 197341 St. Petersburg, Russia; (Y.Z.); (T.S.); (A.S.); (K.S.)
- Department of Pathology with a Course of Forensic Medicine Named after D.D. Lochov, St. Petersburg State Pediatric Medical University, 194100 St. Petersburg, Russia
| | - Yulia Zabrodskaya
- Polenov Neurosurgical Institute—Branch of Almazov National Medical Research Centre, 197341 St. Petersburg, Russia; (Y.Z.); (T.S.); (A.S.); (K.S.)
- Department of Pathology, Mechnikov North-West State Medical University, 191015 St. Petersburg, Russia
| | - Petr Parshakov
- International Laboratory of Intangible-Driven Economy, National Research University Higher School of Economics, 614070 Perm, Russia;
| | - Tatyana Sokolova
- Polenov Neurosurgical Institute—Branch of Almazov National Medical Research Centre, 197341 St. Petersburg, Russia; (Y.Z.); (T.S.); (A.S.); (K.S.)
| | - Dmitry Kudlay
- Department of Pharmacology, Institute of Pharmacy, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia;
- NRC Institute of Immunology FMBA of Russia, 115552 Moscow, Russia
| | - Anna Starshinova
- Polenov Neurosurgical Institute—Branch of Almazov National Medical Research Centre, 197341 St. Petersburg, Russia; (Y.Z.); (T.S.); (A.S.); (K.S.)
| | - Konstantin Samochernykh
- Polenov Neurosurgical Institute—Branch of Almazov National Medical Research Centre, 197341 St. Petersburg, Russia; (Y.Z.); (T.S.); (A.S.); (K.S.)
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Abd Elrahman SF, Ahmed AAS, Abd Elsatar D, Elkady S, Elgendy A, Alnakeeb F, Elmongy EI, Henidi HA, El-Gendy SM, El Sayed IET, El-Gokha AA, Abd Eldaim MA. Cytotoxic Potential of Novel Quinoline Derivative: 11-(1,4-Bisaminopropylpiperazinyl)5-methyl-5H-indolo[2,3-b]quinoline against Different Cancer Cell Lines via Activation and Deactivation of the Expression of Some Proteins. Int J Mol Sci 2023; 24:14336. [PMID: 37762637 PMCID: PMC10532317 DOI: 10.3390/ijms241814336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/03/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
The current study evaluated the cytotoxic activity of 11-(1,4-bisaminopropylpiperazinyl)5-methyl-5H-indolo[2,3-b]quinoline (BAPPN), a novel derivative of 5-methyl-5H-indolo[2,3-b]quinoline, against hepatocellular carcinoma (HepG2), colon carcinoma (HCT-116), breast (MCF-7), and lung (A549) cancer cell lines and the possible molecular mechanism through which it exerts its cytotoxic activity. BAPPN was synthesized and characterized with FT-IR and NMR spectroscopy. The binding affinity scores of BAPPN for caspase-3 PDB: 7JL7 was -7.836, with an RMSD of 1.483° A. In silico screening of ADME properties indicated that BAPPN showed promising oral bioavailability records in addition to their high gastrointestinal absorption and blood-brain barrier penetrability. BAPPN induced cytotoxicity, with IC50 values of 3.3, 23, 3.1, and 9.96 μg/mL against cancer cells HepG2, HCT-116, MCF-7, and A549, respectively. In addition, it induced cell injury and morphological changes in ultracellular structure, including cellular delayed activity, vanishing of membrane blebbing, microvilli, cytoplasmic condensation, and shrunken nucleus with more condensed chromatin autophagosomes. Furthermore, BAPPN significantly increased the protein expression of caspase-3 and tumor suppressor protein (P53). However, it significantly reduced the secretion of vascular endothelial growth factor (VEGF) protein into the medium and decreased the protein expression of proliferation cellular nuclear antigen (PCNA) and Ki67 in HepG2, HCT-116, MCF-7, and A549 cells. This study indicates that BAPPN has cytotoxic action against liver, colon, breast, and lung cancer cell lines via the up-regulation of apoptotic proteins, caspase-3 and P53, and the downregulation of proliferative proteins, VEGF, PCNA, and Ki67.
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Affiliation(s)
- Sara Fathy Abd Elrahman
- Department of Chemistry, Faculty of Science, Menoufia University, Shibin El-Kom 32511, Egypt; (S.F.A.E.); (A.A.S.A.); (D.A.E.); (S.E.); (A.E.); (F.A.); (A.A.E.-G.)
| | - Abdullah A. S. Ahmed
- Department of Chemistry, Faculty of Science, Menoufia University, Shibin El-Kom 32511, Egypt; (S.F.A.E.); (A.A.S.A.); (D.A.E.); (S.E.); (A.E.); (F.A.); (A.A.E.-G.)
| | - Doaa Abd Elsatar
- Department of Chemistry, Faculty of Science, Menoufia University, Shibin El-Kom 32511, Egypt; (S.F.A.E.); (A.A.S.A.); (D.A.E.); (S.E.); (A.E.); (F.A.); (A.A.E.-G.)
| | - Salma Elkady
- Department of Chemistry, Faculty of Science, Menoufia University, Shibin El-Kom 32511, Egypt; (S.F.A.E.); (A.A.S.A.); (D.A.E.); (S.E.); (A.E.); (F.A.); (A.A.E.-G.)
| | - Amira Elgendy
- Department of Chemistry, Faculty of Science, Menoufia University, Shibin El-Kom 32511, Egypt; (S.F.A.E.); (A.A.S.A.); (D.A.E.); (S.E.); (A.E.); (F.A.); (A.A.E.-G.)
| | - Fatma Alnakeeb
- Department of Chemistry, Faculty of Science, Menoufia University, Shibin El-Kom 32511, Egypt; (S.F.A.E.); (A.A.S.A.); (D.A.E.); (S.E.); (A.E.); (F.A.); (A.A.E.-G.)
| | - Elshaymaa I. Elmongy
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt;
| | - Hanan A. Henidi
- Research Department, Health Sciences Research Center, Princess Nourah bint Abdulrahman University, Riyadh 84428, Saudi Arabia
| | - Saad M. El-Gendy
- Department of Cancer Biology, National Cancer Institute, Cairo University, Cairo 11562, Egypt;
| | - Ibrahim El Tantawy El Sayed
- Department of Chemistry, Faculty of Science, Menoufia University, Shibin El-Kom 32511, Egypt; (S.F.A.E.); (A.A.S.A.); (D.A.E.); (S.E.); (A.E.); (F.A.); (A.A.E.-G.)
| | - Ahmed A. El-Gokha
- Department of Chemistry, Faculty of Science, Menoufia University, Shibin El-Kom 32511, Egypt; (S.F.A.E.); (A.A.S.A.); (D.A.E.); (S.E.); (A.E.); (F.A.); (A.A.E.-G.)
| | - Mabrouk Attia Abd Eldaim
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Menoufia University, Shibin El-Kom 32511, Egypt;
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El Naggar HM, Mohammed BO, Aboushousha T, Abdelmaksoud HF. Study on the Therapeutic Effect of Coconut Oil Extracts as An Alternative Medicinal Plant in Cryptosporidium Infected Mice. Turkiye Parazitol Derg 2023; 47:136-143. [PMID: 37724361 DOI: 10.4274/tpd.galenos.2023.22932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/20/2023]
Abstract
OBJECTIVE Cryptosporidiosis caused by Cryptosporidium sp. is a globally spreading disease. Nowadays, new researches are moving towards an effective treatment without side effects, especially for young and immune-compromised patients. The current study was designed to evaluate the therapeutic effect of the coconut oil extracts as an alternative medicinal plant in Cryptosporidium infected immunocompromised mice. METHODS Sixty white albino mice were classified into six groups; Group I: Infected with Cryptosporidium oocysts treated with Nitazoxanide, Group II: Infected with Cryptosporidium oocysts and treated with coconut water extract, Group III: Infected with Cryptosporidium oocysts and treated with coconut Hexan extract, Group IV: Infected with Cryptosporidium oocysts and treated with coconut ethanol extract, Group V: Positive control, Group VI: Negative control. Stool samples were collected and examined; histopathological and immune-histochemical assessment using anti caspase-3 and anti CDX2 monoclonal antibodies were performed. RESULTS Coconut oil extracts results revealed a significant decrease of oocyst count, correlated with an amelioration of histopathological and confirmed by immunohistochemical changes in ileal tissue. CONCLUSION The present study has opened fresh avenues for development of natural therapy like coconut oil extracts, which have a potential therapeutic efficacy against Cryptosporidiosis. That was confirmed by different methodologies, parasitological examination, histopathological examination, and immunohistochemical assays. It paves the way for being a promising anti-parasitic agent for infection eradication. However, further studies are still required to gain more knowledge about different coconut extracts in order to reach the best treatment efficacy.
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Affiliation(s)
- Heba M El Naggar
- Department of Medical Parasitology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Basant O Mohammed
- Department of Medical Parasitology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Tarek Aboushousha
- Department of Pathology, Theodor Bilharz Research Institute, Giza, Egypt
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Abd El-Hay RI, Hamed WHE, Mostafa Omar N, Refat El-Bassouny D, Gawish SA. The impact of busulfan on the testicular structure in prepubertal rats: A histological, ultrastructural and immunohistochemical study. Ultrastruct Pathol 2023; 47:424-450. [PMID: 37455400 DOI: 10.1080/01913123.2023.2234470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 07/05/2023] [Indexed: 07/18/2023]
Abstract
Busulfan is a widely used cancer chemotherapeutic agent. Temporary or permanent sterility in male patients is one of the most common side effects of this drug. The present study was performed to evaluate the changes in the microscopic structure of the testes of prepubertal rats, as well as the changes in PCNA and caspase-3 immune expression, at different durations after busulfan administration. The rats were 5 weeks old and were divided into two main groups. Control group and busulfan treated group. Busulfan treated group received a single dose of busulfan (40 mg/kg), then animals were subdivided to three subgroups; IIa, IIb, IIc which were sacrificed after four, ten and twenty weeks, respectively, from the beginning of the experiment. Light and electron microscopic studies were done. Serum testosterone level and relative testes weight were assessed. Immunohistochemical staining for anti-proliferating cell nuclear antigen (PCNA) and anti-caspase-3 antigen was also done. Morphometric and statistical studies were carried out. Group II revealed histological and ultrastructural degenerative changes including congested blood vessels and degenerated spermatogenic epithelium, Sertoli cells, and Leydig cells. These changes were more evident after 10 weeks of busulfan administration and were accompanied by absence of mature sperms in the lumen of seminiferous tubules. These changes were associated with a significant reduction in relative testes weight, testosterone level, germinal epithelial height and seminiferous tubule diameter. Moreover, PCNA and caspase-3 immune expression was significantly altered in busulfan treated group. Mild improvement in testicular structure was observed 20 weeks after busulfan treatment.
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Affiliation(s)
- Reem Ibrahim Abd El-Hay
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Walaa H E Hamed
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Nesreen Mostafa Omar
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Dalia Refat El-Bassouny
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Salwa A Gawish
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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Tian YY, Ma BB, Zhao XY, Liu C, Li YL, Yu SY, Tian SQ, Pei HL, Lyu YN, Zuo ZP, Wang ZB. [Inhibitory effect and molecular mechanism of sinomenine on human hepatocellular carcinoma HepG2 and SK-HEP-1 cells]. Zhongguo Zhong Yao Za Zhi 2023; 48:4702-4710. [PMID: 37802809 DOI: 10.19540/j.cnki.cjcmm.20230424.401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 10/08/2023]
Abstract
This study aimed to investigate the effect and molecular mechanism of sinomenine on proliferation, apoptosis, metastasis, and combination with inhibitors in human hepatocellular carcinoma HepG2 cells and SK-HEP-1 cells. The effect of sinomenine on the growth ability of HepG2 and SK-HEP-1 cells were investigated by CCK-8 assay, colony formation assay, and BeyoClick~(TM) EdU-488 staining. The effect of sinomenine on DNA damage was detected by immunofluorescence assay, and the effect of sinomenine on apoptosis of human hepatocellular carcinoma cells was clarified by Hoechst 33258 staining and CellEvent~(TM) Cystein-3/7Green ReadyProbes~(TM) reagent assay. Cell invasion assay and 3D tumor cell spheroid invasion assay were performed to investigate the effect of sinomenine on the invasion ability of human hepatocellular carcinoma cells in vitro. The effect of sinomenine on the regulation of protein expression related to the protein kinase B(Akt)/mammalian target of rapamycin(mTOR)/signal transducer and activator of transcription 3(STAT3) signaling pathway in HepG2 and SK-HEP-1 cells was examined by Western blot. Molecular docking was used to evaluate the strength of affinity of sinomenine to the target cysteinyl aspartate specific proteinase-3(caspase-3) and STAT3, and combined with CCK-8 assay to detect the changes in cell viability after combination with STAT3 inhibitor JSI-124 in combination with CCK-8 assay. The results showed that sinomenine could significantly reduce the cell viability of human hepatocellular carcinoma cells in a concentration-and time-dependent manner, significantly inhibit the clonogenic ability of human hepatocellular carcinoma cells, and weaken the invasive ability of human hepatocellular carcinoma cells in vitro. In addition, sinomenine could up-regulate the cleaved level of poly ADP-ribose polymerase(PARP), a marker of apoptosis, and down-regulate the protein levels of p-Akt, p-mTOR, and p-STAT3 in human hepatocellular carcinoma cells. Molecular docking results showed that sinomenine had good affinity with the targets caspase-3 and STAT3, and the sensitivity of sinomenine to hepatocellular carcinoma cells was diminished after STAT3 was inhibited. Therefore, sinomenine can inhibit the proliferation and invasion of human hepatocellular carcinoma cells and induce apoptosis, and the mechanism may be attributed to the activation of caspase-3 signaling and inhibition of the Akt/mTOR/STAT3 pathway. This study can provide a new reference for the in-depth research and clinical application of sinomenine and is of great significance to further promote the scientific development and utilization of sinomenine.
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Affiliation(s)
- Ying-Ying Tian
- School of Chinese Materia Medica,Beijing University of Chinese Medicine Beijing 100029,China
| | - Bei-Bei Ma
- Institute of Scientific Research, Beijing Tong Ren Tang Chinese Medicine Co., Ltd. Beijing 100079,China
| | - Xin-Yue Zhao
- School of Chinese Materia Medica,Beijing University of Chinese Medicine Beijing 100029,China
| | - Chuang Liu
- School of Chinese Materia Medica,Beijing University of Chinese Medicine Beijing 100029,China
| | - Yi-Lin Li
- School of Chinese Materia Medica,Beijing University of Chinese Medicine Beijing 100029,China
| | - Shang-Yue Yu
- School of Chinese Materia Medica,Beijing University of Chinese Medicine Beijing 100029,China
| | - Shi-Qiu Tian
- School of Chinese Materia Medica,Beijing University of Chinese Medicine Beijing 100029,China
| | - Hai-Luan Pei
- School of Chinese Materia Medica,Beijing University of Chinese Medicine Beijing 100029,China
| | - Ying-Nan Lyu
- School of Chinese Materia Medica,Beijing University of Chinese Medicine Beijing 100029,China
| | - Ze-Ping Zuo
- Institute of Scientific Research, Beijing Tong Ren Tang Chinese Medicine Co., Ltd. Beijing 100079,China
| | - Zhi-Bin Wang
- School of Chinese Materia Medica,Beijing University of Chinese Medicine Beijing 100029,China Institute of Scientific Research, Beijing Tong Ren Tang Chinese Medicine Co., Ltd. Beijing 100079,China
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Dong X, Tu H, Bai X, Qin S, Li Z. INTRINSIC/EXTRINSIC APOPTOSIS AND PYROPTOSIS CONTRIBUTE TO THE SELECTIVE DEPLETION OF B CELL SUBSETS IN SEPTIC SHOCK PATIENTS. Shock 2023; 60:345-353. [PMID: 37477437 PMCID: PMC10510799 DOI: 10.1097/shk.0000000000002174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 05/03/2023] [Accepted: 06/27/2023] [Indexed: 07/22/2023]
Abstract
ABSTRACT The depletion of peripheral blood B cells is associated with immunosuppression and poor prognosis during sepsis, and selective depletion occurs when B cell subsets are specifically targeted. In this study, we examined the mechanisms underlying the selective depletion of B cell subsets in the immunosuppressive phase of septic shock patients. Thirty-two septic shock patients were recruited as a septic shock group and 10 healthy volunteers as a control group. The expression of Bcl-2, CD95, cleaved caspase-9/8, and activated caspase-3/1 in the B cell subsets were measured by flow cytometry. Another 23 septic shock patients were recruited to test the remission of caspase-3 (Z-DEVD-FMK) and caspase-1 (VX-765) inhibitors on B cell subset depletion in vitro . In septic shock patients, the Bcl-2 levels in immature/transitional (IM) B cells decreased and the levels of cleaved caspase-9 in IM B cells increased; the levels of CD95 in IM, naive, resting memory (RM), and activated memory (AM) B cells and the levels of cleaved caspase-8 in IM, RM, and AM B cells increased; the levels of activated caspase-3 and caspase-1 in IM, RM, and AM B cells increased. Activated caspase-1 levels in IM B cells were higher compared with activated caspase-3 in septic shock patients, whereas the levels of activated caspase-1 in AM B cells were lower compared with activated caspase-3. Moreover, in vitro experiments showed that Z-DEVD-FMK and VX-765 could alleviate the depletion of IM, AM, and RM B cells. The selective reduction of circulating B cell subsets in septic shock patients could be attributed to intrinsic and extrinsic apoptosis as well as pyroptosis.
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Affiliation(s)
- Xijie Dong
- Trauma Center/Department of Emergency and Traumatic Surgery, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hao Tu
- Trauma Center/Department of Emergency and Traumatic Surgery, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiangjun Bai
- Trauma Center/Department of Emergency and Traumatic Surgery, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shuang Qin
- Department of Radiation Oncology, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhanfei Li
- Trauma Center/Department of Emergency and Traumatic Surgery, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Freni J, Pallio G, Marini HR, Micali A, Irrera N, Romeo C, Puzzolo D, Mannino F, Minutoli L, Pirrotta I, Scarfone A, Antonuccio P. Positive Effects of the Nutraceutical Association of Lycopene and Selenium in Experimental Varicocele. Int J Mol Sci 2023; 24:13526. [PMID: 37686330 PMCID: PMC10488142 DOI: 10.3390/ijms241713526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
Many natural substances commonly found in healthy diets have been studied for their potential to reduce male infertility associated with varicocele. A positive role of selenium (Se) or lycopene alone was demonstrated in experimental varicocele, while no data are available on their association. One group of male Sprague-Dawley rats was sham operated and daily treated with Se (3 mg/kg, i.p.), lycopene (1 mg/kg, i.p.), or their association. A second group underwent surgery to induce varicocele. Sham and half of the varicocele animals were sacrificed after twenty-eight days, while the residual animals were treated for one more month and then sacrificed. In varicocele animals, testosterone levels and testes weight were reduced, Hypoxia Inducible Factor-1α (HIF-1α) expression was absent in the tubules and increased in Leydig cells, caspare-3 was increased, seminiferous epithelium showed evident structural changes, and many apoptotic germ cells were demonstrated with TUNEL assay. The treatment with lycopene or Se alone significantly increased testis weight and testosterone levels, reduced apoptosis and caspase-3 expression, improved the tubular organization, decreased HIF-1α positivity of Leydig cells, and restored its tubular positivity. Lycopene or Se association showed a better influence on all biochemical and morphological parameters. Therefore, the nutraceutical association of lycopene plus Se might be considered a possible therapeutic tool, together with surgery, in the treatment of male infertility. However, long-term experimental and clinical studies are necessary to evaluate sperm quantity and quality.
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Affiliation(s)
- Jose Freni
- Department of Biomedical, Dental Sciences and Morphofunctional Imaging, University of Messina, 98125 Messina, Italy; (J.F.); (D.P.)
| | - Giovanni Pallio
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (G.P.); (H.R.M.); (N.I.); (F.M.); (I.P.); (A.S.)
| | - Herbert Ryan Marini
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (G.P.); (H.R.M.); (N.I.); (F.M.); (I.P.); (A.S.)
| | - Antonio Micali
- Department of Human Adult and Childhood Pathology, University of Messina, 98122 Messina, Italy; (A.M.); (C.R.); (P.A.)
| | - Natasha Irrera
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (G.P.); (H.R.M.); (N.I.); (F.M.); (I.P.); (A.S.)
| | - Carmelo Romeo
- Department of Human Adult and Childhood Pathology, University of Messina, 98122 Messina, Italy; (A.M.); (C.R.); (P.A.)
| | - Domenico Puzzolo
- Department of Biomedical, Dental Sciences and Morphofunctional Imaging, University of Messina, 98125 Messina, Italy; (J.F.); (D.P.)
| | - Federica Mannino
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (G.P.); (H.R.M.); (N.I.); (F.M.); (I.P.); (A.S.)
| | - Letteria Minutoli
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (G.P.); (H.R.M.); (N.I.); (F.M.); (I.P.); (A.S.)
| | - Igor Pirrotta
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (G.P.); (H.R.M.); (N.I.); (F.M.); (I.P.); (A.S.)
| | - Alessandro Scarfone
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy; (G.P.); (H.R.M.); (N.I.); (F.M.); (I.P.); (A.S.)
| | - Pietro Antonuccio
- Department of Human Adult and Childhood Pathology, University of Messina, 98122 Messina, Italy; (A.M.); (C.R.); (P.A.)
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Keary KM, Gu QH, Chen J, Li Z. Dendritic distribution of autophagosomes underlies pathway-selective induction of LTD. Cell Rep 2023; 42:112898. [PMID: 37516958 PMCID: PMC10528062 DOI: 10.1016/j.celrep.2023.112898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 05/31/2023] [Accepted: 07/13/2023] [Indexed: 08/01/2023] Open
Abstract
The mechanism of long-term depression (LTD), a cellular substrate for learning, memory, and behavioral flexibility, is extensively studied in Schaffer collateral (SC) synapses, with inhibition of autophagy identified as a key factor. SC inputs terminate at basal and proximal apical dendrites, whereas distal apical dendrites receive inputs from the temporoammonic pathway (TAP). Here, we demonstrate that TAP and SC synapses have a shared LTD mechanism reliant on NMDA receptors, caspase-3, and autophagy inhibition. Despite this shared LTD mechanism, proximal apical dendrites contain more autophagosomes than distal apical dendrites. Additionally, unlike SC LTD, which diminishes with age, TAP LTD persists into adulthood. Our previous study shows that the high autophagy in adulthood disallows SC LTD induction. The reduction of autophagosomes from proximal to distal dendrites, combined with distinct LTD inducibility at SC and TAP synapses, suggests a model where the differential distribution of autophagosomes in dendrites gates LTD inducibility at specific circuits.
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Affiliation(s)
- Kevin M Keary
- Section on Synapse Development Plasticity, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA; Department of Neuroscience, Brown University, Providence, RI 02912, USA
| | - Qin-Hua Gu
- Section on Synapse Development Plasticity, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA
| | - Jiji Chen
- Advanced Imaging and Microscopy (AIM) Resource, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD 20892, USA
| | - Zheng Li
- Section on Synapse Development Plasticity, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA.
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Clementi A, Virzì GM, Manani SM, de Cal M, Battaglia GG, Ronco C, Zanella M. Plasma Cell-Free DNA and Caspase-3 Levels in Patients with Chronic Kidney Disease. J Clin Med 2023; 12:5616. [PMID: 37685683 PMCID: PMC10488719 DOI: 10.3390/jcm12175616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/13/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
BACKGROUND Cell-free plasma DNA (cfDNA) is circulating extracellular DNA arising from cell death mechanisms (apoptosis, necrosis, etc.). It is commonly existent in healthy individuals, but its ranks increase in diverse clinical circumstances, such as kidney disease, sepsis, myocardial infarction, trauma and cancer. In patients with advanced chronic kidney disease, cfDNA is connected to inflammation, and it has been associated with higher mortality. Caspase-3 plays a dominant role in apoptosis, a mechanism of programmed cell death involved in the pathogenesis and progression of chronic kidney disease (CKD). The aim of this pilot study was the evaluation of cfDNA levels and caspase-3 concentrations in patients with chronic kidney disease, in order to investigate the potential role of these molecules, deriving from inflammatory and apoptotic mechanisms, in the progression of renal damage. METHODS We compared cfDNA and caspase-3 levels in 25 CKD patients and in 10 healthy subjects, evaluating their levels based on CKD stage. We also explored correlations between cfDNA and caspase-3 levels in CKD patients and between cfDNA and caspase-3 levels and serum creatinine and urea in this population. RESULTS We observed that cfDNA and caspase-3 levels were higher in patients with CKD compared to healthy subjects, in particular in patients with advanced renal disease (CKD stage 5). A positive correlation between cfDNA and caspase-3 levels and between cfDNA and caspase-3 and creatinine and urea were also noticed. CONCLUSIONS Patients with chronic kidney disease show higher levels of cfDNA and caspase-3 levels compared to the control group. Based on these preliminary results, we speculated that the worsening of renal damage and the increase in uremic toxin concentration could be associated with higher levels of cfDNA and caspase-3 levels, thus reflecting the potential role of inflammation and apoptosis in the progression of CKD. Future studies should focus on the validation of these promising preliminary results.
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Affiliation(s)
- Anna Clementi
- Department of Nephrology and Dialysis, Santa Marta and Santa Venera Hospital, 95024 Acireale, Italy; (A.C.); (G.G.B.)
- IRRIV-International Renal Research Institute, 36100 Vicenza, Italy; (S.M.M.); (M.d.C.); (C.R.); (M.Z.)
| | - Grazia Maria Virzì
- IRRIV-International Renal Research Institute, 36100 Vicenza, Italy; (S.M.M.); (M.d.C.); (C.R.); (M.Z.)
- Department of Nephrology, Dialysis and Transplant, St. Bortolo Hospital, 36100 Vicenza, Italy
| | - Sabrina Milan Manani
- IRRIV-International Renal Research Institute, 36100 Vicenza, Italy; (S.M.M.); (M.d.C.); (C.R.); (M.Z.)
- Department of Nephrology, Dialysis and Transplant, St. Bortolo Hospital, 36100 Vicenza, Italy
| | - Massimo de Cal
- IRRIV-International Renal Research Institute, 36100 Vicenza, Italy; (S.M.M.); (M.d.C.); (C.R.); (M.Z.)
- Department of Nephrology, Dialysis and Transplant, St. Bortolo Hospital, 36100 Vicenza, Italy
| | - Giovanni Giorgio Battaglia
- Department of Nephrology and Dialysis, Santa Marta and Santa Venera Hospital, 95024 Acireale, Italy; (A.C.); (G.G.B.)
| | - Claudio Ronco
- IRRIV-International Renal Research Institute, 36100 Vicenza, Italy; (S.M.M.); (M.d.C.); (C.R.); (M.Z.)
- Department of Nephrology, Dialysis and Transplant, St. Bortolo Hospital, 36100 Vicenza, Italy
| | - Monica Zanella
- IRRIV-International Renal Research Institute, 36100 Vicenza, Italy; (S.M.M.); (M.d.C.); (C.R.); (M.Z.)
- Department of Nephrology, Dialysis and Transplant, St. Bortolo Hospital, 36100 Vicenza, Italy
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Renda Sari A, Wibowo JW, Priyantini S, Putra A, Amalina ND. Red algae extract suppresses caspase-3 gene expression and induces catalase antioxidant enzyme in testicles of rats induced by boric acid. Med Glas (Zenica) 2023; 20. [PMID: 37421181 DOI: 10.17392/1600-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/18/2023] [Accepted: 05/22/2023] [Indexed: 07/10/2023]
Abstract
Aim To determine the effect of red algae extract on the gene expression of catalase and caspase-3 in testicules of rats induced by boric acid (BA). Methods This is experimental research with post-test control group design. Twenty four healthy male Wistar rats were divided into four treatment groups: a healthy group, negative control group, two treatment groups with red algae extract 400mg/kgBW/day (T1) and red algae extract 800mg/kgBW/day (T2). Each group was treated with BA 500mg/kgBW/day for 14 days, whereas the healthy group did not receive BA. In the treatment groups T1 and T2 were given red algae extract for 14 days. On day 15 all treatment groups were terminated and catalase and caspase-3 gene expression were analysed using qRT-PCR. Results In the healthy group, the expression of the catalase gene was 1.39±0.67 and the expression of the caspase-3 gene was 1.06±0.17. In the negative control group, there was a significant decrease in catalase gene expression, 0.68±0.27 (p<0.05), and a significant increase in caspase-3 gene expression, 5.71±2.47 (p<0.05). Treatment groups T1 and T2 showed a significant increase in catalase gene expression, 2.67±0.69; and 2.85±0.64, respectively (p<0.05) and caspase-3, 3.96±1,16 and 1.89±0.84, respectively, compared to the control group. Conclusion: The administration of red algae extract had a significant effect on increasing the expression of the catalase gene and decreasing the expression of the caspase-3 gene. This suggests that red algae extract has the potential to be developed as a protective agent against exposure to the effects of BA.
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Affiliation(s)
- Ayu Renda Sari
- Postgraduate Biomedical Sciences Program, Faculty of Medicine, Universitas Islam Sultan Agung, Semarang, Indonesia
| | - Joko Wahyu Wibowo
- Department of Postgraduate Biomedical Sciences, Faculty of Medicine, Sultan Agung Islamic University, Semarang, Indonesia
| | - Sri Priyantini
- Department of Postgraduate Biomedical Sciences, Faculty of Medicine, Sultan Agung Islamic University, Semarang, Indonesia
| | - Agung Putra
- Department of Postgraduate Biomedical Sciences, Faculty of Medicine, Sultan Agung Islamic University, Semarang, Indonesia
- Stem Cell and Cancer Research Indonesia, Semarang, Indonesia
- Department of Pathology Anatomy, Faculty of Medicine, Sultan Agung Islamic University, Semarang, Indonesia
| | - Nur Dina Amalina
- Stem Cell and Cancer Research Indonesia, Semarang, Indonesia
- Pharmacy Study Program, Faculty of Mathematics and Natural Sciences, Universitas Negeri Semarang, Semarang, Indonesia
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Karki R, Kanneganti TD. PANoptosome signaling and therapeutic implications in infection: central role for ZBP1 to activate the inflammasome and PANoptosis. Curr Opin Immunol 2023; 83:102348. [PMID: 37267644 PMCID: PMC10524556 DOI: 10.1016/j.coi.2023.102348] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 04/14/2023] [Accepted: 05/03/2023] [Indexed: 06/04/2023]
Abstract
The innate immune response provides the first line of defense against infection and disease. Regulated cell death (RCD) is a key component of innate immune activation, and RCD must be tightly controlled to clear pathogens while preventing excess inflammation. Recent studies have highlighted a central role for the innate immune sensor Z-DNA-binding protein 1 (ZBP1) as an activator of a form of inflammatory RCD called PANoptosis, which is regulated by a multifaceted cell death complex called the PANoptosome. In response to influenza A virus infection, ZBP1 activates the nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing protein 3 (NLRP3) inflammasome, which then acts as an integral component of the ZBP1-PANoptosome to drive inflammatory cell death, PANoptosis. In this context, the NLRP3 inflammasome is critical for caspase-1 activation and proinflammatory cytokine interleukin (IL)-1β and IL-18 maturation, but dispensable for cell death due to functional redundancies between PANoptosome molecules. Similarly, ZBP1 is also central to the absent in melanoma 2 (AIM2)-PANoptosome; this PANoptosome forms in response to Francisella novicida and herpes simplex virus 1 infection and incorporates the AIM2 inflammasome as an integral component. In this review, we will discuss the critical roles of ZBP1 in mediating innate immune responses through inflammasomes, PANoptosomes, and PANoptosis during infection. An improved understanding of the molecular mechanisms of innate immunity and cell death will be essential for the development of targeted modalities that can improve patient outcomes by mitigating severe disease.
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Affiliation(s)
- Rajendra Karki
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA; Department of Biological Sciences, Seoul National University, Seoul 08826, Republic of Korea.
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Brockmueller A, Buhrmann C, Shayan P, Shakibaei M. Resveratrol induces apoptosis by modulating the reciprocal crosstalk between p53 and Sirt-1 in the CRC tumor microenvironment. Front Immunol 2023; 14:1225530. [PMID: 37575245 PMCID: PMC10413256 DOI: 10.3389/fimmu.2023.1225530] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 07/11/2023] [Indexed: 08/15/2023] Open
Abstract
Introduction P53 represents a key player in apoptosis-induction in cancers including colorectal cancer (CRC) that ranks third worldwide in cancer prevalence as well as mortality statistics. Although a pro-apoptotic effect of resveratrol has been repeatedly proven in CRC cells, its pathway mechanisms are not completely understood, as there are controversial statements in the literature regarding its activation or inhibition of the counteracting proteins Sirt-1 and p53. Methods CRC cells as wild-type (HCT-116 WT) or p53-deficient (HCT-116 p53-/-) were cultured using multicellular tumor microenvironment (TME) cultures containing T-lymphocytes and fibroblasts to elucidate the role of p53/Sirt-1 modulation in resveratrol's concentration-dependent, pro-apoptotic, and thus anti-cancer effects. Results Resveratrol dose-dependently inhibited viability, proliferation, plasticity as well as migration, and induced apoptosis in HCT-116 WT more effectively than in HCT-116 p53-/- cells. Moreover, resveratrol stimulated Sirt-1 expression when administered at low concentrations (<5µM) but suppressed it when added at high concentrations (>10µM) to CRC-TME. In parallel, similar to the knockdown of Sirt-1 at the mRNA level, treatment with high-concentration resveratrol boosted the acetylation of p53, the expression of p21, Bax, cytochrome C, caspase-3, and ultimately induced apoptosis in CRC WT but not in CRC p53-/- cells. Notably, increasing concentrations of resveratrol were found to promote hyperacetylation of p53 and FOXO3a as post-translational substrates of Sirt-1, indicating a negative regulatory loop between Sirt-1 and p53. Discussion These results demonstrate for the first time, a negative reciprocal crosstalk between the regulatory circuits of p53 and Sirt-1, consequently, apoptosis induction by higher resveratrol concentrations in CRC-TME.
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Affiliation(s)
- Aranka Brockmueller
- Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Constanze Buhrmann
- Institute of Anatomy and Cell Biology, Faculty of Medicine, University of Augsburg, Augsburg, Germany
| | - Parviz Shayan
- Department of Parasitology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Mehdi Shakibaei
- Chair of Vegetative Anatomy, Institute of Anatomy, Faculty of Medicine, Ludwig-Maximilians-University Munich, Munich, Germany
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Franza M, Albanesi J, Mancini B, Pennisi R, Leone S, Acconcia F, Bianchi F, di Masi A. The clinically relevant CHK1 inhibitor MK-8776 induces the degradation of the oncogenic protein PML-RARα and overcomes ATRA resistance in acute promyelocytic leukemia cells. Biochem Pharmacol 2023:115675. [PMID: 37406967 DOI: 10.1016/j.bcp.2023.115675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 06/27/2023] [Accepted: 06/27/2023] [Indexed: 07/07/2023]
Abstract
Acute promyelocytic leukemia (APL) is a hematological disease characterized by the expression of the oncogenic fusion protein PML-RARα. The current treatment approach for APL involves differentiation therapy using all-trans retinoic acid (ATRA) and arsenic trioxide (ATO). However, the development of resistance to therapy, occurrence of differentiation syndrome, and relapses necessitate the exploration of new treatment options that induce differentiation of leukemic blasts with low toxicity. In this study, we investigated the cellular and molecular effects of MK-8776, a specific inhibitor of CHK1, in ATRA-resistant APL cells. Treatment of APL cells with MK-8776 resulted in a decrease in PML-RARα levels, increased expression of CD11b, and increased granulocytic activity consistent with differentiation. Interestingly, we showed that the MK-8776-induced differentiating effect resulted synergic with ATO. We found that the reduction of PML-RARα by MK-8776 was dependent on both proteasome and caspases. Specifically, both caspase-1 and caspase-3 were activated by CHK1 inhibition, with caspase-3 acting upstream of caspase-1. Activation of caspase-3 was necessary to activate caspase-1 and promote PML-RARα degradation. Transcriptomic analysis revealed significant modulation of pathways and upstream regulators involved in the inflammatory response and cell cycle control upon MK-8776 treatment. Overall, the ability of MK-8776 to induce PML-RARα degradation and stimulate differentiation of immature APL cancer cells into more mature forms recapitulates the concept of differentiation therapy. Considering the in vivo tolerability of MK-8776, it will be relevant to evaluate its potential clinical benefit in APL patients resistant to standard ATRA/ATO therapy, as well as in patients with other forms of acute leukemias.
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Affiliation(s)
- Maria Franza
- Department of Sciences, Section of Biomedical Sciences and Technologies, Roma Tre University, Roma, Italy
| | - Jacopo Albanesi
- Department of Sciences, Section of Biomedical Sciences and Technologies, Roma Tre University, Roma, Italy
| | - Benedetta Mancini
- Department of Sciences, Section of Biomedical Sciences and Technologies, Roma Tre University, Roma, Italy
| | - Rosa Pennisi
- Department of Oncology, University of Torino Medical School, Torino, Italy; Candiolo Cancer Institute, FPO - IRCCS, Candiolo, Torino, Italy
| | - Stefano Leone
- Department of Sciences, Section of Biomedical Sciences and Technologies, Roma Tre University, Roma, Italy
| | - Filippo Acconcia
- Department of Sciences, Section of Biomedical Sciences and Technologies, Roma Tre University, Roma, Italy
| | - Fabrizio Bianchi
- Unit of Cancer Biomarkers, Fondazione IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo (FG), Italy
| | - Alessandra di Masi
- Department of Sciences, Section of Biomedical Sciences and Technologies, Roma Tre University, Roma, Italy.
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Abdelrazik E, Hassan HM, Hamza E, Ezz Elregal FM, Elnagdy MH, Abdulhai EA. Beneficial role of rosemary extract on oxidative stress-mediated neuronal apoptosis in rotenone-induced attention deficit hyperactivity disease in juvenile rat model. Acta Biomed 2023; 94:e2023104. [PMID: 37326266 PMCID: PMC10308472 DOI: 10.23750/abm.v94i3.14260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 02/23/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND AND AIM Attention deficit hyperactivity disorder (ADHD) is heterogeneous neurobehavioral disorders that co-exist with cognitive and learning deficits affecting 3-7% of children. We study the role of rosemary in the protection of the prefrontal cortical neurons against rotenone-induced ADHD in juvenile rats. METHODS Twenty-four juvenile rats were divided into four groups (n=6): control group, received olive oil 0.5 ml/kg/day/ I.P. for 4 weeks, rosemary group received rosemary 75 mg/kg/day/ I.P. for 4 weeks, rotenone group received rotenone 1 mg/kg/day/ I.P. dissolved in olive oil for 4 days and combined group received rotenone 1 mg/kg/day/ I.P. for 4 days and rosemary 75 mg/kg/day/ I.P. for 4 weeks. RESULTS Rotenone group showed higher impulsivity with reduction in the recognition index and total locomotor activity. However, combined group showed significant improvement in the recognition index and the total locomotor activity. Neurochemical analysis disclosed that rotenone decreased levels of GSH and significantly increased lipid peroxidation and oxidative stress. The administration of rosemary amended these neurochemical changes. Rotenone caused a significant increase in serum amyloid protein A and C-reactive protein levels indicating a marked state of inflammation. Rosemary ameliorated these biochemical changes. The immunohistochemical expression of tyrosine hydroxylase was decreased in the rotenone group. On the other hand, caspase-3 was increased in the rotenone group. PCR confirmed immunohistochemical results for gene expression. CONCLUSIONS The findings of the behavioral, neurochemical, biochemical, immunohistochemical and molecular outcomes suggested that rosemary could fight oxidative stress, inflammation and apoptosis in the prefrontal cortex of rotenone-induced ADHD in juvenile rats.
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Affiliation(s)
- Eman Abdelrazik
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt. .
| | - Hend M Hassan
- Department of Human Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura, Egypt. .
| | - Eman Hamza
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Mansoura University, Mansoura, Egypt/ Department of Biochemistry and Molecular Biology, Horus University, Damietta, Egypt..
| | - Farah M Ezz Elregal
- Medical Student, Faculty of Medicine, Mansoura University, Mansoura, Egypt. .
| | - Marwa H Elnagdy
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Mansoura University, Mansoura, Egypt..
| | - Eman A Abdulhai
- Department of Pediatrics (pediatric neurology), Faculty of Medicine, Mansoura University, Mansoura, Egypt. .
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Kubina R, Krzykawski K, Dziedzic A, Kabała-Dzik A. Kaempferol and Fisetin-Related Signaling Pathways Induce Apoptosis in Head and Neck Cancer Cells. Cells 2023; 12:1568. [PMID: 37371038 DOI: 10.3390/cells12121568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 06/05/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
Despite the relative effectiveness of standard cancer treatment strategies, head and neck cancer (HNC) is still considered one of the leading causes of mortality and morbidity. While selected bioactive compounds of plant origin reveal a pro-apoptotic effect, kaempferol and fisetin flavonols have been reported as potential anti-cancer agents against malignant neoplasms. To date, their exact role in signaling pathways of head and neck cancer cells is largely unknown. Based on the various methods of cytotoxicity testing, we elucidated that kaempferol and fisetin inhibit proliferation, reduce the capacity of cell migration, and induce apoptosis in SCC-9, SCC-25, and A-253 HNC cells in a dose-dependent manner in vitro (p < 0.05, fisetin IC50 values of 38.85 µM, 62.34 µM, and 49.21 µM, and 45.03 µM, 49.90 µM, and 47.49 µM for kaempferol-SCC-9, SCC-25, and A-253, respectively). The obtained results showed that exposure to kaempferol and fisetin reduces Bcl-2 protein expression, simultaneously leading to the arrest in the G2/M and S phases of the cell cycle. Kaempferol and fisetin inhibit cell proliferation by interfering with the cell cycle, which is strongly associated with the induction of G2/M arrest, and induce apoptosis by activating caspase-3 and releasing cytochrome c in human HNC cells. In addition, investigating flavonols, by inhibiting anti-apoptotic proteins from the Bcl-2 family and damaging the mitochondrial transmembrane potential, increased the level of cytochrome c. While flavonols selectively induce apoptosis of head and neck cancer cells, they may support oncological therapy as promising agents. The discovery of new derivatives may be a breakthrough in the search for effective chemotherapeutic agents with less toxicity and thus fewer side effects.
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Affiliation(s)
- Robert Kubina
- Department of Pathology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 30 Ostrogórska Str., 41-200 Sosnowiec, Poland
- Silesia LabMed, Centre for Research and Implementation, Medical University of Silesia in Katowice, 18 Medyków Str., 40-752 Katowice, Poland
| | - Kamil Krzykawski
- Silesia LabMed, Centre for Research and Implementation, Medical University of Silesia in Katowice, 18 Medyków Str., 40-752 Katowice, Poland
| | - Arkadiusz Dziedzic
- Department of Conservative Dentistry with Endodontics, Medical University of Silesia, 40-055 Katowice, Poland
| | - Agata Kabała-Dzik
- Department of Pathology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 30 Ostrogórska Str., 41-200 Sosnowiec, Poland
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Yin SS, Chen C, Liu Z, Liu SL, Guo JH, Zhang C, Zhang QW, Gao FH. Isoalantolactone mediates the degradation of BCR-ABL protein in imatinib-resistant CML cells by down-regulating survivin. Cell Cycle 2023; 22:1407-1420. [PMID: 37202916 PMCID: PMC10281474 DOI: 10.1080/15384101.2023.2209963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 11/02/2022] [Accepted: 02/10/2023] [Indexed: 05/20/2023] Open
Abstract
Isoalantolactone (Iso) is a bioactive lactone isolated from the root of Inula helenium L, which has been reported to have many pharmacological effects. To investigate the role and mechanism of isoalantolactone in chronic myeloid leukemia (CML), we first investigated isoalantolactone's anti-proliferative effects on imatinib-sensitive and imatinib-resistant CML cells by CCK8. Flow cytometry was used to detect isoalantolactone-induced cell apoptosis. Survivin was overexpressed in KBM5 and KBM5T315I cells using the lentivirus vector pSIN-3×flag-PURO. In KBM5 and KBM5T315I cells, shRNA was used to knockdown survivin. Cellular Thermal Shift Assay (CETSA) was used to detect the interaction between isoalantolactone and survivin. The ubiquitin of survivin induced by isoalantolactone was detected through immunoprecipitation. Quantitative polymerase-chain reaction (Q-PCR) and western blotting were used to detect the levels of mRNA and protein. Isoalantolactone inhibits the proliferation and promotes apoptosis of imatinib-resistant CML cells. Although isoalantolactone inhibits the proteins of BCR-ABL and survivin, it cannot inhibit survivin and BCR-ABL mRNA levels. Simultaneously, it was shown that isoalantolactone can degrade survivin protein by increasing ubiquitination. It was demonstrated that isoalantolactone-induced survivin mediated downregulation of BCR-ABL protein. It was also revealed that isoalantolactone triggered BCR-ABL protein degradation via caspase-3. Altogether, isoalantolactone inhibits survivin through the ubiquitin proteasome pathway, and mediates BCR-ABL downregulation in a caspase-3 dependent manner. These data suggest that isoalantolactone is a natural compound, which can be used as a potential drug to treat TKI-resistant CML.
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MESH Headings
- Humans
- Imatinib Mesylate/pharmacology
- Imatinib Mesylate/therapeutic use
- Survivin
- Caspase 3
- Drug Resistance, Neoplasm
- Cell Proliferation
- Fusion Proteins, bcr-abl
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/metabolism
- Apoptosis
- RNA, Messenger
- Ubiquitins/pharmacology
- Ubiquitins/therapeutic use
- Cell Line, Tumor
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Affiliation(s)
- Shan-Shan Yin
- Department of Oncology, Shanghai 9th People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chen Chen
- Clinical Pharmacology Research Center, Peking Union Medical College Hospital, State Key Laboratory of Complex Severe and Rare Diseases, NMPA Key Laboratory for Clinical Research and Evaluation of Drug, Beijing Key Laboratory of Clinical PK & PD Investigation for Innovative Drugs, Chinese Academy of Medical Sciences & Peking Union Medical College, Wangfujing, Dongcheng District, Beijing, China
| | - Zhen Liu
- Department of Oncology, Shanghai 9th People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shan-Ling Liu
- Department of Clinical Laboratory, The First Hospital of Changsha City, Changsha, China
| | - Jia-Hui Guo
- Department of Oncology, Shanghai 9th People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chao Zhang
- Department of Geriatrics, Shanghai ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Quan-Wu Zhang
- Department of Pathology, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Feng-Hou Gao
- Department of Oncology, Shanghai 9th People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Zhang M, Lai J, Wu Q, Lai J, Su J, Zhu B, Li Y. Naringenin Induces HepG2 Cell Apoptosis via ROS-Mediated JAK-2/STAT-3 Signaling Pathways. Molecules 2023; 28:molecules28114506. [PMID: 37298981 DOI: 10.3390/molecules28114506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/19/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023] Open
Abstract
Hepatocarcinoma is one of the most prevalent digestive system tumors worldwide and lacks effective therapy. Recently, naringenin has been isolated from some citrus fruits, and its anticancer effects have been tested. However, the molecular mechanisms of naringenin and the potential implications of oxidative stress in naringenin-induced cytotoxicity in HepG2 cells remain elusive. Based on the above, the present study examined the effect of naringenin on the cytotoxic and anticancer mechanisms of HepG2 cells. Naringenin-induced HepG2 cell apoptosis was confirmed via the accumulation of the sub-G1 cell population, phosphatidylserine exposure, mitochondrial transmembrane potential loss, DNA fragmentation, caspase-3 activation, and caspase-9 activation. Furthermore, naringenin enhanced cytotoxic effects on HepG2 cells and triggered intracellular reactive oxygen species; the signaling pathways of JAK-2/STAT-3 were inhibited, and caspase-3 was activated to advance cell apoptosis. These results suggest that naringenin plays an important role in inducing apoptosis in HepG2 cells and that naringenin may be a promising candidate for cancer therapy.
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Affiliation(s)
- Ming Zhang
- Department of Interventional Radiology and Vascular Anomalies, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, China
| | - Jianmei Lai
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, China
| | - Qianlong Wu
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, China
| | - Jia Lai
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, China
| | - Jingyao Su
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, China
| | - Bing Zhu
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, China
| | - Yinghua Li
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510120, China
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Attia AA, Hamad HA, Fawzy MA, Saleh SR. The Prophylactic Effect of Vitamin C and Vitamin B12 against Ultraviolet-C-Induced Hepatotoxicity in Male Rats. Molecules 2023; 28:molecules28114302. [PMID: 37298780 DOI: 10.3390/molecules28114302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/16/2023] [Accepted: 05/19/2023] [Indexed: 06/12/2023] Open
Abstract
Ultraviolet C (UVC) devices are an effective means of disinfecting surfaces and protecting medical tools against various microbes, including coronavirus. Overexposure to UVC can induce oxidative stress, damage the genetic material, and harm biological systems. This study investigated the prophylactic efficacy of vitamin C and B12 against hepatotoxicity in UVC-intoxicated rats. Rats were irradiated with UVC (725.76, 967.68, and 1048.36 J/cm2) for 2 weeks. The rats were pretreated with the aforementioned antioxidants for two months before UVC irradiation. The prophylactic effect of vitamins against UVC hepatotoxicity was evaluated by monitoring the alteration of liver enzyme activities, antioxidant status, apoptotic and inflammatory markers, DNA fragmentation, and histological and ultrastructural alterations. Rats exposed to UVC showed a significant increase in liver enzymes, oxidant-antioxidant balance disruption, and increased hepatic inflammatory markers (TNF-α, IL-1β, iNOS, and IDO-1). Additionally, obvious over-expression of activated caspase-3 protein and DNA fragmentation were detected. Histological and ultrastructural examinations verified the biochemical findings. Co-treatment with vitamins ameliorated the deviated parameters to variable degrees. In conclusion, vitamin C could alleviate UVC-induced hepatotoxicity more than vitamin B12 by diminishing oxidative stress, inflammation, and DNA damage. This study could provide a reference for the clinical practice of vitamin C and B12 as radioprotective for workers in UVC disinfectant areas.
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Affiliation(s)
- Azza A Attia
- Zoology Department, Faculty of Science, Alexandria University, Alexandria 21515, Egypt
| | - Huda A Hamad
- Zoology Department, Faculty of Science, Alexandria University, Alexandria 21515, Egypt
- Zoology Department, Faculty of Science, Omar Al-Mukhtar University, Al Bayda 00218, Libya
| | - M Adel Fawzy
- Physics Department, Faculty of Science, Alexandria University, Alexandria 21515, Egypt
| | - Samar R Saleh
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria 21515, Egypt
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Imamura K, Deisher AJ, Dickow J, Rettmann ME, Yasin OZ, Pepin MD, Hohmann S, Konishi H, Suzuki A, Newman LK, Sun X, Kruse JJ, Merrell KW, Herman MG, Foote RL, Packer DL. Early Impact of Proton Beam Therapy on Electrophysiological Characteristics in a Porcine Model. Circ Arrhythm Electrophysiol 2023:e011179. [PMID: 37183678 DOI: 10.1161/circep.122.011179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
BACKGROUND Particle therapy is a noninvasive, catheter-free modality for cardiac ablation. We previously demonstrated the efficacy for creating ablation lesions in the porcine heart. Despite several earlier studies, the exact mechanism of early biophysical effects of proton and photon beam delivery on the myocardium remain incompletely resolved. METHODS Ten normal and 9 infarcted in situ porcine hearts received proton beam irradiation (40 Gy) delivered to the left ventricular myocardium with follow-up for 8 weeks. High-resolution electroanatomical mapping of the left ventricular was performed at baseline and follow-up. Bipolar voltage amplitude, conduction velocity, and connexin-43 were determined within the irradiated and nonirradiated areas. RESULTS The irradiated area in normal hearts showed a significant reduction of bipolar voltage amplitude (10.1±4.9 mV versus 5.7±3.2, P<0.0001) and conduction velocity (85±26 versus 55±13 cm/s, P=0.03) beginning at 4 weeks after irradiation. In infarcted myocardium after irradiation, bipolar voltage amplitude of the infarct scar (2.0±2.9 versus 0.8±0.7 mV, P=0.008) was significantly reduced as well as the conduction velocity in the infarcted heart (43.7±15.7 versus 26.3±11.4 cm/s, P=0.02). There were no significant changes in bipolar voltage amplitude and conduction velocity in nonirradiated myocardium. Myocytolysis, capillary hyperplasia, and dilation were seen in the irradiated myocardium 8 weeks after irradiation. Active caspase-3 and reduction of connexin-43 expression began in irradiated myocardium 1 week after irradiation and decreased over 8 weeks. CONCLUSIONS Irradiation of the myocardium with proton beams reduce connexin-43 expression, conduction velocity, and bipolar conducted electrogram amplitude in a large porcine model. The changes in biomarkers preceded electrophysiological changes after proton beam therapy.
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Affiliation(s)
- Kimitake Imamura
- Translational Interventional Electrophysiology Laboratory, Mayo Clinic/St. Mary's Campus, Mayo Clinic, Rochester, MN. (K.I., J.D., M.E.R., O.Z.Y., S.H., H.K., A.S., L.K.N., D.L.P.)
| | - Amanda J Deisher
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN. (A.J.D., M.D.P., J.J.K., K.W.M., M.G.H., R.L.F.)
| | - Jannis Dickow
- Translational Interventional Electrophysiology Laboratory, Mayo Clinic/St. Mary's Campus, Mayo Clinic, Rochester, MN. (K.I., J.D., M.E.R., O.Z.Y., S.H., H.K., A.S., L.K.N., D.L.P.)
| | - Maryam E Rettmann
- Translational Interventional Electrophysiology Laboratory, Mayo Clinic/St. Mary's Campus, Mayo Clinic, Rochester, MN. (K.I., J.D., M.E.R., O.Z.Y., S.H., H.K., A.S., L.K.N., D.L.P.)
| | - Omar Z Yasin
- Translational Interventional Electrophysiology Laboratory, Mayo Clinic/St. Mary's Campus, Mayo Clinic, Rochester, MN. (K.I., J.D., M.E.R., O.Z.Y., S.H., H.K., A.S., L.K.N., D.L.P.)
| | - Mark D Pepin
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN. (A.J.D., M.D.P., J.J.K., K.W.M., M.G.H., R.L.F.)
| | - Stephan Hohmann
- Translational Interventional Electrophysiology Laboratory, Mayo Clinic/St. Mary's Campus, Mayo Clinic, Rochester, MN. (K.I., J.D., M.E.R., O.Z.Y., S.H., H.K., A.S., L.K.N., D.L.P.)
| | - Hiroki Konishi
- Translational Interventional Electrophysiology Laboratory, Mayo Clinic/St. Mary's Campus, Mayo Clinic, Rochester, MN. (K.I., J.D., M.E.R., O.Z.Y., S.H., H.K., A.S., L.K.N., D.L.P.)
| | - Atsushi Suzuki
- Translational Interventional Electrophysiology Laboratory, Mayo Clinic/St. Mary's Campus, Mayo Clinic, Rochester, MN. (K.I., J.D., M.E.R., O.Z.Y., S.H., H.K., A.S., L.K.N., D.L.P.)
| | - Laura K Newman
- Translational Interventional Electrophysiology Laboratory, Mayo Clinic/St. Mary's Campus, Mayo Clinic, Rochester, MN. (K.I., J.D., M.E.R., O.Z.Y., S.H., H.K., A.S., L.K.N., D.L.P.)
| | - Xiaojing Sun
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN. (X.S.)
| | - Jon J Kruse
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN. (A.J.D., M.D.P., J.J.K., K.W.M., M.G.H., R.L.F.)
| | - Kenneth W Merrell
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN. (A.J.D., M.D.P., J.J.K., K.W.M., M.G.H., R.L.F.)
| | - Michael G Herman
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN. (A.J.D., M.D.P., J.J.K., K.W.M., M.G.H., R.L.F.)
| | - Robert L Foote
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN. (A.J.D., M.D.P., J.J.K., K.W.M., M.G.H., R.L.F.)
| | - Douglas L Packer
- Translational Interventional Electrophysiology Laboratory, Mayo Clinic/St. Mary's Campus, Mayo Clinic, Rochester, MN. (K.I., J.D., M.E.R., O.Z.Y., S.H., H.K., A.S., L.K.N., D.L.P.)
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Durgun C, Deveci E. Gallic acid treatment protects intestinal tissue against ischaemia-reperfusion. Folia Morphol (Warsz) 2023; 82:633-640. [PMID: 37183516 DOI: 10.5603/fm.a2023.0034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 02/24/2023] [Accepted: 04/05/2023] [Indexed: 05/16/2023]
Abstract
BACKGROUND This study aimed to investigate the protective effects of gallic acid (GA) in the rat intestine against ischaemia-reperfusion (IR) injury. MATERIALS AND METHODS Thirty male Wistar albino rats with a mean weight of 200-250 g were used. Animals were categorized into the sham, IR, and IR+GA groups. Ischaemia of the intestine was induced for 3 h by occluding the superior mesenteric artery (SMA) and then left for 3 h of reperfusion. In the IR+GA group, after ischaemia induction, 50 mg/kg GA was orally administered to the animals. Blood samples were collected for biochemical assays. Intestinal tissues were excised for histopathologic and immunohistochemical processing. RESULTS Malondialdehyde (MDA) levels were increased, and catalase (CAT) and glutathione (GSH) levels were decreased in the IR group compared to the sham group. After GA treatment, MDA levels decreased and CAT and GSH levels increased in the GA-treated group compared to the IR group. In the sham group, normal intestinal histology was observed. In the IR group, the villi structures were completely degenerated. In the IR+GA group, histology was improved after GA treatment. In the sham group, the caspase-3 reaction was generally negative in the epithelium and glands. In the IR group, the caspase-3 reaction increased in apoptotic bodies and inflammatory cells. The caspase-3 reaction was negative in goblet cells and the epithelium. A moderate caspase-3 reaction was observed in the IR+GA group. The beclin-1 reaction was negative in epithelial cells and goblet cells in villi in the sham group. In the IR group, the beclin-1 reaction was positive in the degenerated villi. An intense beclin-1 reaction was also observed in some inflammatory cells. After GA treatment, the beclin-1 reaction was positive in a few cells. In general, moderate beclin-1 positivity was observed. CONCLUSIONS Gallic acid, with its antioxidative effect, inhibited the apoptotic pathway (caspase-3) through beclin-1 regulation.
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Affiliation(s)
- C Durgun
- Division of General Surgery, Memorial Dicle Hospital, Diyarbakır, Turkey
| | - E Deveci
- Department of Histology and Embryology, Faculty of Medicine, Dicle University, Diyarbakır, Turkey.
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Aboushanab AR, El-Moslemany RM, El-Kamel AH, Mehanna RA, Bakr BA, Ashour AA. Targeted Fisetin-Encapsulated β-Cyclodextrin Nanosponges for Breast Cancer. Pharmaceutics 2023; 15:pharmaceutics15051480. [PMID: 37242722 DOI: 10.3390/pharmaceutics15051480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/25/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
Fisetin (FS) is considered a safer phytomedicine alternative to conventional chemotherapeutics for breast cancer treatment. Despite its surpassing therapeutic potential, its clinical utility is hampered by its low systemic bioavailability. Accordingly, as far as we are aware, this is the first study to develop lactoferrin-coated FS-loaded β-cyclodextrin nanosponges (LF-FS-NS) for targeted FS delivery to breast cancer. NS formation through cross-linking of β-cyclodextrin by diphenyl carbonate was confirmed by FTIR and XRD. The selected LF-FS-NS showed good colloidal properties (size 52.7 ± 7.2 nm, PDI < 0.3, and ζ-potential 24 mV), high loading efficiency (96 ± 0.3%), and sustained drug release of 26 % after 24 h. Morphological examination using SEM revealed the mesoporous spherical structure of the prepared nanosponges with a pore diameter of ~30 nm, which was further confirmed by surface area measurement. Additionally, LF-FS-NS enhanced FS oral and IP bioavailability (2.5- and 3.2-fold, respectively) compared to FS suspension in rats. Antitumor efficacy evaluation in vitro on MDA-MB-231 cells and in vivo on an Ehrlich ascites mouse model demonstrated significantly higher activity and targetability of LF-FS-NS (30 mg/kg) compared to the free drug and uncoated formulation. Consequently, LF-FS-NS could be addressed as a promising formulation for the effective management of breast cancer.
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Affiliation(s)
- Alaa R Aboushanab
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria 21525, Egypt
| | - Riham M El-Moslemany
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria 21525, Egypt
| | - Amal H El-Kamel
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria 21525, Egypt
| | - Radwa A Mehanna
- Department of Medical Physiology, Faculty of Medicine, Alexandria University, Alexandria 21525, Egypt
- Center of Excellence for Research in Regenerative Medicine and Applications (CERRMA), Faculty of Medicine, Alexandria University, Alexandria 21525, Egypt
| | - Basant A Bakr
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria 21525, Egypt
| | - Asmaa A Ashour
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria 21525, Egypt
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Del Rosario O, Suresh K, Kallem M, Singh G, Shah A, Zheng L, Yun X, Philip NM, Putcha N, McClure MB, Jiang H, D'Alessio F, Srivastava M, Bera A, Shimoda LA, Merchant M, Rane MJ, Machamer CE, Mock J, Hagan R, Koch AL, Punjabi NM, Kolb TM, Damarla M. MK2 nonenzymatically promotes nuclear translocation of caspase-3 and resultant apoptosis. Am J Physiol Lung Cell Mol Physiol 2023; 324:L700-L711. [PMID: 36976920 PMCID: PMC10190840 DOI: 10.1152/ajplung.00340.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 02/28/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023] Open
Abstract
We have previously identified mitogen-activated protein kinase-activated protein kinase 2 (MK2) is required for caspase-3 nuclear translocation in the execution of apoptosis; however, little is known of the underlying mechanisms. Therefore, we sought to determine the role of kinase and nonkinase functions of MK2 in promoting nuclear translocation of caspase-3. We identified two non-small cell lung cancer cell lines for use in these experiments based on low MK2 expression. Wild-type, enzymatic and cellular localization mutant MK2 constructs were expressed using adenoviral infection. Cell death was evaluated by flow cytometry. In addition, cell lysates were harvested for protein analyses. Phosphorylation of caspase-3 was determined using two-dimensional gel electrophoresis followed by immunoblotting and in vitro kinase assay. Association between MK2 and caspase-3 was evaluated using proximity-based biotin ligation assays and co-immunoprecipitation. Overexpression of MK2 resulted in nuclear translocation of caspase-3 and caspase-3-mediated apoptosis. MK2 directly phosphorylates caspase-3; however, phosphorylation status of caspase-3 or MK2-dependent phosphorylation of caspase-3 did not alter caspase-3 activity. The enzymatic function of MK2 was dispensable in nuclear translocation of caspase-3. MK2 and caspase-3 associated together and a nonenzymatic function of MK2, chaperoned nuclear trafficking, is required for caspase-3-mediated apoptosis. Taken together, our results demonstrate a nonenzymatic role for MK2 in the nuclear translocation of caspase-3. Furthermore, MK2 may function as a molecular switch in regulating the transition between the cytosolic and nuclear functions of caspase-3.
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Affiliation(s)
- Othello Del Rosario
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Karthik Suresh
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Medha Kallem
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Gayatri Singh
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Anika Shah
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Linda Zheng
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Xin Yun
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Nicolas M Philip
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Nirupama Putcha
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Marni B McClure
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Haiyang Jiang
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Franco D'Alessio
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Meera Srivastava
- Department of Anatomy, Physiology and Genetics, Uniformed Services University of the Health Sciences, Bethesda, Maryland, United States
| | - Alakesh Bera
- Department of Anatomy, Physiology and Genetics, Uniformed Services University of the Health Sciences, Bethesda, Maryland, United States
| | - Larissa A Shimoda
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Michael Merchant
- Department of Medicine, University of Louisville School of Medicine, Louisville, Kentucky, United States
| | - Madhavi J Rane
- Department of Medicine, University of Louisville School of Medicine, Louisville, Kentucky, United States
| | - Carolyn E Machamer
- Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Jason Mock
- Department of Medicine, University of North Carolina, School of Medicine, Chapel Hill, North Carolina, United States
| | - Robert Hagan
- Department of Medicine, University of North Carolina, School of Medicine, Chapel Hill, North Carolina, United States
| | - Abigail L Koch
- Department of Medicine, University of Miami, School of Medicine, Miami, Florida, United States
| | - Naresh M Punjabi
- Department of Medicine, University of Miami, School of Medicine, Miami, Florida, United States
| | - Todd M Kolb
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
| | - Mahendra Damarla
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States
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48
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Younis SS, Ghafil FAA, Majeed S, Hadi NR. The effect of JQ1 systemic administration on oxidative stress and apoptotic markers in renal ischemic reperfusion injury in a rat model. J Med Life 2023; 16:682-688. [PMID: 37520478 PMCID: PMC10375347 DOI: 10.25122/jml-2022-0287] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 01/04/2023] [Indexed: 08/01/2023] Open
Abstract
This study aimed to investigate the effects of JQ1 in a renal ischemia-reperfusion (IR) rat model. Twenty-four adult male Wistar Albino rats were randomly divided into four equal groups. The sham group underwent laparotomy without ischemia-reperfusion induction. The control group experienced bilateral renal ischemia for 30 minutes, followed by a 2-hour reperfusion period. The vehicle group (IR group + DMSO) and JQ1 group (same as in control IR + 25 mg/kg JQ1). Kidney and blood samples were collected 2 hours after reperfusion. Blood samples were used to analyze serum creatinine and blood urea nitrogen levels. Renal tissue was assessed for TNF-alpha, caspase-3, FOXO4, PI3K/AKT signaling pathway, and histological analysis. The control group exhibited significantly higher serum creatinine, blood urea nitrogen, caspase-3, TNF-alpha, and FOXO4 levels in renal tissue compared to the sham group. Additionally, the PI3K/AKT signaling pathway was significantly decreased in the control group. Histopathological examination revealed severe kidney damage in the control group compared to the sham group. In rats treated with JQ1, serum creatinine, BUN, caspase-3, TNF-alpha, and FOXO4 levels in renal tissue significantly improved. The PI3K/AKT signaling pathway was substantially increased (p-value 0.01) compared to the Vehicle and Control groups. The tubular severity score was also significantly reduced in the JQ1-treated groups compared to the Control and Vehicle groups. In conclusion, JQ1 significantly ameliorated renal ischemia-reperfusion injury in rats by suppressing apoptosis and inflammatory pathways.
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Affiliation(s)
- Saba Sahib Younis
- Al-Sadr Medical City, Al-Najaf Health Directorate, Al Najaf Al-Ashraf, Iraq
| | | | - Sahar Majeed
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Najaf, Iraq
| | - Najah Rayish Hadi
- Al-Sadr Medical City, Al-Najaf Health Directorate, Al Najaf Al-Ashraf, Iraq
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Wei Z, Gao R, Sun Z, Yang W, He Q, Wang C, Zhang J, Zhang X, Guo L, Wang S. Baicalin inhibits influenza A (H1N1)-induced pyroptosis of lung alveolar epithelial cells via caspase-3/GSDME pathway. J Med Virol 2023; 95:e28790. [PMID: 37212338 DOI: 10.1002/jmv.28790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 03/03/2023] [Accepted: 05/04/2023] [Indexed: 05/23/2023]
Abstract
Baicalin (7-d-glucuronic acid-5, 6-dihydroxyflavone) derived from the root of Scutellaria baicalensis used as Traditional Chinese Medicine (TCM) has been revealed to exert potential antiviral activity via various pathways, while the molecular mechanisms have not been fully understood. Pyroptosis, an inflammatory form of programmed cell death (PCD), is reported to play a crucial role in host cell fate during viral infection. In this study, transcriptome analysis of mice lung tissue reveals that baicalin reverses the alterations of the mRNA levels of PCD-associated genes upon H1N1 challenge, with a concomitant decrease in the population of H1N1-induced propidium iodide (PI)+ and Annexin Ⅴ+ cells. Intriguingly, we find that baicalin contributes to the survival of infected lung alveolar epithelial cells partly through its inhibition of H1N1-induced cell pyroptosis, which is manifested by reduced bubble-like protrusion cells and lactate dehydrogenase (LDH) release. Moreover, the antipyroptosis effect of baicalin in response to H1N1 infection is found to be mediated by its repression on caspase-3/Gasdermin E (GSDME) pathway. Cleaved caspase-3 and N-terminal fragment of GSDME (GSDME-N) are detected in H1N1-infected cell lines and mice lung tissues, which are markedly reversed by baicalin treatment. Furthermore, inhibition of caspase-3/GSDME pathway by caspase-3 inhibitor or siRNA exerts an antipyroptosis effect equal to that of baicalin treatment in infected A549 and BEAS-2B cells, indicating a pivotal role of caspase-3 in the antiviral activities of baicalin. Conclusively, for the first time, we demonstrate that baicalin could effectively suppress H1N1-induced pyroptosis of lung alveolar epithelial cells via caspase-3/GSDME pathway both in vitro and in vivo.
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Affiliation(s)
- Zhenqiao Wei
- Bioinformatics Center of Academy of Military Medical Sciences, Beijing, P. R. China
| | - Rui Gao
- Bioinformatics Center of Academy of Military Medical Sciences, Beijing, P. R. China
| | - Zhen Sun
- Bioinformatics Center of Academy of Military Medical Sciences, Beijing, P. R. China
| | - Wen Yang
- Innovative Institute of Chinese Medicine and Pharmacy, Jinan, P. R. China
| | - Qi He
- Bioinformatics Center of Academy of Military Medical Sciences, Beijing, P. R. China
| | - Chenhui Wang
- Bioinformatics Center of Academy of Military Medical Sciences, Beijing, P. R. China
| | - Jingxiang Zhang
- Bioinformatics Center of Academy of Military Medical Sciences, Beijing, P. R. China
| | - Xiaochang Zhang
- Bioinformatics Center of Academy of Military Medical Sciences, Beijing, P. R. China
| | - Liang Guo
- Bioinformatics Center of Academy of Military Medical Sciences, Beijing, P. R. China
| | - Shengqi Wang
- Bioinformatics Center of Academy of Military Medical Sciences, Beijing, P. R. China
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50
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Morsy MA, Abdel-Gaber SA, Mokhemer SA, Kandeel M, Sedik WF, Nair AB, Venugopala KN, Khalil HE, Al-Dhubiab BE, Mohamed MZ. Pregnenolone Inhibits Doxorubicin-Induced Cardiac Oxidative Stress, Inflammation, and Apoptosis-Role of Matrix Metalloproteinase 2 and NADPH Oxidase 1. Pharmaceuticals (Basel) 2023; 16:ph16050665. [PMID: 37242448 DOI: 10.3390/ph16050665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/28/2023] Open
Abstract
The clinical usefulness of doxorubicin (DOX) is limited by its serious adverse effects, such as cardiotoxicity. Pregnenolone demonstrated both anti-inflammatory and antioxidant activity in animal models. The current study aimed to investigate the cardioprotective potential of pregnenolone against DOX-induced cardiotoxicity. After acclimatization, male Wistar rats were randomly grouped into four groups: control (vehicle-treated), pregnenolone (35 mg/kg/d, p.o.), DOX (15 mg/kg, i.p, once), and pregnenolone + DOX. All treatments continued for seven consecutive days except DOX, which was administered once on day 5. The heart and serum samples were harvested one day after the last treatment for further assays. Pregnenolone ameliorated the DOX-induced increase in markers of cardiotoxicity, namely, histopathological changes and elevated serum levels of creatine kinase-MB and lactate dehydrogenase. Moreover, pregnenolone prevented DOX-induced oxidative changes (significantly lowered cardiac malondialdehyde, total nitrite/nitrate, and NADPH oxidase 1, and elevated reduced glutathione), tissue remodeling (significantly decreased matrix metalloproteinase 2), inflammation (significantly decreased tumor necrosis factor-α and interleukin 6), and proapoptotic changes (significantly lowered cleaved caspase-3). In conclusion, these findings show the cardioprotective effects of pregnenolone in DOX-treated rats. The cardioprotection achieved by pregnenolone treatment can be attributed to its antioxidant, anti-inflammatory, and antiapoptotic actions.
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Affiliation(s)
- Mohamed A Morsy
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Department of Pharmacology, Faculty of Medicine, Minia University, El-Minia 61511, Egypt
| | - Seham A Abdel-Gaber
- Department of Pharmacology, Faculty of Medicine, Minia University, El-Minia 61511, Egypt
| | - Sahar A Mokhemer
- Department of Histology and Cell Biology, Faculty of Medicine, Minia University, El-Minia 61511, Egypt
| | - Mahmoud Kandeel
- Department of Biomedical Sciences, College of Veterinary Medicine, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Department of Pharmacology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt
| | - Wael F Sedik
- Department of Medical Biochemistry, Faculty of Medicine, Minia University, El-Minia 61511, Egypt
| | - Anroop B Nair
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Katharigatta N Venugopala
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Department of Biotechnology and Food Science, Faculty of Applied Sciences, Durban University of Technology, Durban 4000, South Africa
| | - Hany Ezzat Khalil
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Minia University, El-Minia 61511, Egypt
| | - Bandar E Al-Dhubiab
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Mervat Z Mohamed
- Department of Pharmacology, Faculty of Medicine, Minia University, El-Minia 61511, Egypt
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