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Ekundayo BE, Adewale OB, Obafemi BA, Afolabi OB, Obafemi TO. Management of Alzheimer's disease and related neurotoxic pathologies: Role of thiamine, pyridoxine and cobalamin. Eur J Pharmacol 2024; 982:176958. [PMID: 39209095 DOI: 10.1016/j.ejphar.2024.176958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 08/10/2024] [Accepted: 08/27/2024] [Indexed: 09/04/2024]
Abstract
Alzheimer's disease (AD) remains one of the most debilitating disease and most common neurological disorder in the world at large. However, with many years of multiple research and billions of dollars invested for the purpose of research, not many therapeutic options exist for the management of this disease. As at 2023, the number has only increased to 7, one of which is a combination of two existing therapies. However, research has continued still in the search for a cure. The roles and functions of thiamine, pyridoxine and cobalamin in the proper function of the nervous system has been well researched over time and their role in the management of neurological diseases have been of interest in the last decade. This review describes the roles of the aforementioned chemicals in the management of different models of AD and AD-like pathologies as mono-therapeutic agents and prospective adjuvant for combination therapy.
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Affiliation(s)
| | | | - Blessing Ariyo Obafemi
- Department of Medical Biochemistry Afe Babalola University, PMB 5454, Ado-Ekiti, Nigeria
| | | | - Tajudeen Olabisi Obafemi
- Department of Biochemistry Afe Babalola University, PMB 5454, Ado-Ekiti, Nigeria; Department of Life and Consumer Sciences, School of Agriculture and Life Sciences, University of South Florida Park, Roodepoort, 1709, Johannesburg, South Africa
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2
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Tian S, Wang B, Ding Y, Zhang Y, Yu P, Chang YZ, Gao G. The role of iron transporters and regulators in Alzheimer's disease and Parkinson's disease: Pathophysiological insights and therapeutic prospects. Biomed Pharmacother 2024; 179:117419. [PMID: 39245001 DOI: 10.1016/j.biopha.2024.117419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2024] [Revised: 09/02/2024] [Accepted: 09/04/2024] [Indexed: 09/10/2024] Open
Abstract
Brain iron homeostasis plays a vital role in maintaining brain development and controlling neuronal function under physiological conditions. Many studies have shown that the imbalance of brain iron homeostasis is closely related to the pathogenesis of neurodegenerative diseases (NDs), such as Alzheimer's disease (AD) and Parkinson's disease (PD). Recent advances have revealed the importance of iron transporters and regulatory molecules in the pathogenesis and treatment of NDs. This review summarizes the research progress on brain iron overload and the aberrant expression of several key iron transporters and regulators in AD and PD, emphasizes the pathological roles of these molecules in the pathogenesis of AD and PD, and highlights the therapeutic prospects of targeting these iron transporters and regulators to restore brain iron homeostasis in the treatment of AD and PD. A comprehensive understanding of the pathophysiological roles of iron, iron transporters and regulators, and their regulations in NDs may provide new therapeutic avenues for more targeted neurotherapeutic strategies for treating these diseases.
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Affiliation(s)
- Siqi Tian
- Ministry of Education Key Laboratory of Molecular and Cellular Biology; Hebei Collaborative Innovation Center for Eco-Environment; Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Research Center of the Basic Discipline of Cell Biology; College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Bing Wang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology; Hebei Collaborative Innovation Center for Eco-Environment; Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Research Center of the Basic Discipline of Cell Biology; College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Yiqian Ding
- Ministry of Education Key Laboratory of Molecular and Cellular Biology; Hebei Collaborative Innovation Center for Eco-Environment; Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Research Center of the Basic Discipline of Cell Biology; College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Yu Zhang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology; Hebei Collaborative Innovation Center for Eco-Environment; Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Research Center of the Basic Discipline of Cell Biology; College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Peng Yu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology; Hebei Collaborative Innovation Center for Eco-Environment; Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Research Center of the Basic Discipline of Cell Biology; College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China.
| | - Yan-Zhong Chang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology; Hebei Collaborative Innovation Center for Eco-Environment; Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Research Center of the Basic Discipline of Cell Biology; College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China.
| | - Guofen Gao
- Ministry of Education Key Laboratory of Molecular and Cellular Biology; Hebei Collaborative Innovation Center for Eco-Environment; Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Research Center of the Basic Discipline of Cell Biology; College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China.
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3
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Yang J, Zhao H, Qu S. Therapeutic potential of fucoidan in central nervous system disorders: A systematic review. Int J Biol Macromol 2024; 277:134397. [PMID: 39097066 DOI: 10.1016/j.ijbiomac.2024.134397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 07/25/2024] [Accepted: 07/30/2024] [Indexed: 08/05/2024]
Abstract
Central nervous system (CNS) disorders have a complicated pathogenesis, and to date, no single mechanism can fully explain them. Most drugs used for CNS disorders primarily aim to manage symptoms and delay disease progression, and none have demonstrated any pathological reversal. Fucoidan is a safe, sulfated polysaccharide from seaweed that exhibits multiple pharmacological effects, and it is anticipated to be a novel treatment for CNS disorders. To assess the possible clinical uses of fucoidan, this review aims to provide an overview of its neuroprotective mechanism in both in vivo and in vitro CNS disease models, as well as its pharmacokinetics and safety. We included 39 articles on the pharmacology of fucoidan in CNS disorders. In vitro and in vivo experiments demonstrate that fucoidan has important roles in regulating lipid metabolism, enhancing the cholinergic system, maintaining the functional integrity of the blood-brain barrier and mitochondria, inhibiting inflammation, and attenuating oxidative stress and apoptosis, highlighting its potential for CNS disease treatment. Fucoidan has a protective effect against CNS disorders. With ongoing research on fucoidan, it is expected that a natural, highly effective, less toxic, and highly potent fucoidan-based drug or nutritional supplement targeting CNS diseases will be developed.
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Affiliation(s)
- Jing Yang
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, 110004 Shenyang, Liaoning, PR China.
| | - He Zhao
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, 110004 Shenyang, Liaoning, PR China.
| | - Shengtao Qu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, 110004 Shenyang, Liaoning, PR China.
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4
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Hossain MS, Das A, Rafiq AM, Deák F, Bagi Z, Outlaw R, Sudhahar V, Yamamoto M, Kaplan JH, Ushio-Fukai M, Fukai T. Altered copper transport in oxidative stress-dependent brain endothelial barrier dysfunction associated with Alzheimer's disease. Vascul Pharmacol 2024:107433. [PMID: 39317307 DOI: 10.1016/j.vph.2024.107433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2024] [Revised: 09/19/2024] [Accepted: 09/20/2024] [Indexed: 09/26/2024]
Abstract
Oxidative stress and blood-brain barrier (BBB) disruption due to brain endothelial barrier dysfunction contribute to Alzheimer's Disease (AD), which is characterized by beta-amyloid (Aβ) accumulation in senile plaques. Copper (Cu) is implicated in AD pathology and its levels are tightly controlled by several Cu transport proteins. However, their expression and role in AD, particularly in relation to brain endothelial barrier function remains unclear. In this study, we examined the expression of Cu transport proteins in the brains of AD mouse models as well as their involvement in Aβ42-induced brain endothelial barrier dysfunction. We found that the Cu uptake transporter CTR1 was upregulated, while the Cu exporter ATP7A was downregulated in the hippocampus of AD mouse models and in Aβ42-treated human brain microvascular endothelial cells (hBMECs). In the 5xFAD AD mouse model, Cu levels (assessed by ICP-MS) were elevated in the hippocampus. Moreover, in cultured hBMECs, Aβ42-induced reactive oxygen species (ROS) production, ROS-dependent loss in barrier function (measured by transendothelial electrical resistance), and tyrosine phosphorylation of CDH5 were all inhibited by either a membrane permeable Cu chelator or by knocking down CTR1 expression. These findings suggest that dysregulated expression of Cu transport proteins may lead to intracellular Cu accumulation in the AD brain, and that Aβ42 promotes ROS-dependent brain endothelial barrier dysfunction and CDH5 phosphorylation in a CTR1-Cu-dependent manner. Our study uncovers the critical role of Cu transport proteins in oxidative stress-related loss of BBB integrity in AD.
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Affiliation(s)
- Md Selim Hossain
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, GA 30912
| | - Archita Das
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, GA 30912; Charlie Norwood Veterans Affairs Medical Center, Augusta, GA 30904,, United States of America
| | - Ashiq M Rafiq
- Department of Neuroscience and Regenerative Medicine, Medical College of, Georgia, at Augusta University, Augusta, GA 30912
| | - Ferenc Deák
- Department of Neuroscience and Regenerative Medicine, Medical College of, Georgia, at Augusta University, Augusta, GA 30912
| | - Zsolt Bagi
- Department of Physiology, Medical College of, Georgia, at Augusta University, Augusta, GA 30912
| | - Rashelle Outlaw
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, GA 30912
| | - Varadarajan Sudhahar
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, GA 30912; Charlie Norwood Veterans Affairs Medical Center, Augusta, GA 30904,, United States of America
| | - Mai Yamamoto
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, GA 30912
| | - Jack H Kaplan
- Department of Biochemistry and Molecular Genetics, University of Illinois College of Medicine, Chicago, IL 60607, United States of America
| | - Masuko Ushio-Fukai
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, GA 30912; Department of Medicine (Cardiology), Medical College of Georgia at Augusta University, Augusta, GA 30912.
| | - Tohru Fukai
- Vascular Biology Center, Medical College of Georgia at Augusta University, Augusta, GA 30912; Department of Pharmacology and Toxicology, Medical College of, Georgia, at Augusta University, Augusta, GA 30912; Charlie Norwood Veterans Affairs Medical Center, Augusta, GA 30904,, United States of America.
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Liddell JR, Hilton JBW, Wang YJ, Billings JL, Nikseresht S, Kysenius K, Fuller-Jackson JP, Hare DJ, Crouch PJ. Decreased spinal cord motor neuron numbers in mice depleted of central nervous system copper. Metallomics 2024; 16:mfae036. [PMID: 39251386 DOI: 10.1093/mtomcs/mfae036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Accepted: 08/03/2024] [Indexed: 09/11/2024]
Abstract
Disrupted copper availability in the central nervous system (CNS) is implicated as a significant feature of the neurodegenerative disease amyotrophic lateral sclerosis (ALS). Solute carrier family 31 member 1 (Slc31a1; Ctr1) governs copper uptake in mammalian cells and mutations affecting Slc31a1 are associated with severe neurological abnormalities. Here, we examined the impact of decreased CNS copper caused by ubiquitous heterozygosity for functional Slc31a1 on spinal cord motor neurons in Slc31a1+/- mice. Congruent with the CNS being relatively susceptible to disrupted copper availability, brain and spinal cord tissue from Slc31a1+/- mice contained significantly less copper than wild-type littermates, even though copper levels in other tissues were unaffected. Slc31a1+/- mice had less spinal cord α-motor neurons compared to wild-type littermates, but they did not develop any overt physical signs of motor impairment. By contrast, ALS model SOD1G37R mice had fewer α-motor neurons than control mice and exhibited clear signs of motor function impairment. With the expression of Slc31a1 notwithstanding, spinal cord expression of genes related to copper handling revealed only minor differences between Slc31a1+/- and wild-type mice. This contrasted with SOD1G37R mice where changes in the expression of copper handling genes were pronounced. Similarly, the expression of genes related to toxic glial activation was unchanged in spinal cords from Slc31a1+/- mice but highly upregulated in SOD1G37R mice. Together, results from the Slc31a1+/- mice and SOD1G37R mice indicate that although depleted CNS copper has a significant impact on spinal cord motor neuron numbers, the manifestation of overt ALS-like motor impairment requires additional factors.
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Affiliation(s)
- J R Liddell
- Department of Anatomy and Physiology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - J B W Hilton
- Department of Anatomy and Physiology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Y J Wang
- Department of Anatomy and Physiology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - J L Billings
- Department of Anatomy and Physiology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - S Nikseresht
- Department of Anatomy and Physiology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - K Kysenius
- Department of Anatomy and Physiology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - J P Fuller-Jackson
- Department of Anatomy and Physiology, The University of Melbourne, Parkville, VIC 3010, Australia
| | - D J Hare
- Atomic Medicine Initiative, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - P J Crouch
- Department of Anatomy and Physiology, The University of Melbourne, Parkville, VIC 3010, Australia
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Kirss S, Reinapu A, Kabin E, Smirnova J, Tõugu V, Palumaa P. α-Lipoic acid: a potential regulator of copper metabolism in Alzheimer's disease. Front Mol Biosci 2024; 11:1451536. [PMID: 39290994 PMCID: PMC11405343 DOI: 10.3389/fmolb.2024.1451536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Accepted: 08/20/2024] [Indexed: 09/19/2024] Open
Abstract
Alzheimer's disease (AD) is characterized by classic hallmarks such as amyloid plaques and neurofibrillary tangles, however, intensive research has broadened its scope to explore additional underlying mechanisms. Notably, disruptions in metal homeostasis, particularly involving copper, have gained significant attention. In AD pathology, an imbalance is evident: there is an excess of extracellular copper alongside a deficiency in intracellular copper in brain tissue. Our previous work demonstrated that α-lipoic acid (LA) can effectively shift copper from the extracellular space to the intracellular environment in a neuronal cell model. However, the precise mechanism of action and role of LA in copper metabolism remained elusive. In this study, we compared the cellular effects of LA with those of different synthetic copper-binding ligands: diethyldithiocarbamate (DETC), clioquinol (CQ), D-penicillamine (D-PA) and elesclomol (ES). Using differentiated SH-SY5Y cell culture as a neuronal model, we found that, unlike other synthetic compounds, natural ligand LA is not toxic in the presence of extracellular copper, even at high doses. LA gradually increased intracellular copper levels over 24 h. In contrast, DETC, CQ, and ES acted as fast copper ionophores, potentially explaining their higher toxicity compared to LA. D-PA did not facilitate copper uptake into cells. We demonstrated that a slow increase of LA inside the cells is enhanced in the presence of copper. Furthermore, the ability of LA to modulate the equilibrium of extra- and intracellular copper was evident when we added copper isotope 65Cu. The ratio of copper isotopes changed rapidly, reflecting the impact of LA on the equilibrium of copper distribution without affecting the copper transport network. Our results provide compelling evidence that α-lipoic acid holds promise as a non-toxic agent capable of normalizing copper metabolism in Alzheimer's disease.
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Affiliation(s)
- Sigrid Kirss
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
| | - Anette Reinapu
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
| | - Ekaterina Kabin
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
| | - Julia Smirnova
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
| | - Vello Tõugu
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
| | - Peep Palumaa
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia
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Sethi P, Bhaskar R, Singh KK, Gupta S, Han SS, Avinash D, Abomughaid MM, Koul A, Rani B, Ghosh S, Jha NK, Sinha JK. Exploring advancements in early detection of Alzheimer's disease with molecular assays and animal models. Ageing Res Rev 2024; 100:102411. [PMID: 38986845 DOI: 10.1016/j.arr.2024.102411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Revised: 07/04/2024] [Accepted: 07/04/2024] [Indexed: 07/12/2024]
Abstract
Alzheimer's Disease (AD) is a challenging neurodegenerative condition, with overwhelming implications for affected individuals and healthcare systems worldwide. Animal models have played a crucial role in studying AD pathogenesis and testing therapeutic interventions. Remarkably, studies on the genetic factors affecting AD risk, such as APOE and TREM2, have provided valuable insights into disease mechanisms. Early diagnosis has emerged as a crucial factor in effective AD management, as demonstrated by clinical studies emphasizing the benefits of initiating treatment at early stages. Novel diagnostic technologies, including RNA sequencing of microglia, offer promising avenues for early detection and monitoring of AD progression. Therapeutic strategies remain to evolve, with a focus on targeting amyloid beta (Aβ) and tau pathology. Advances in animal models, such as APP-KI mice, and the advancement of anti-Aβ drugs signify progress towards more effective treatments. Therapeutically, the focus has shifted towards intricate approaches targeting multiple pathological pathways simultaneously. Strategies aimed at reducing Aβ plaque accumulation, inhibiting tau hyperphosphorylation, and modulating neuroinflammation are actively being explored, both in preclinical models and clinical trials. While challenges continue in developing validated animal models and translating preclinical findings to clinical success, the continuing efforts in understanding AD at molecular, cellular, and clinical levels offer hope for improved management and eventual prevention of this devastating disease.
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Affiliation(s)
- Paalki Sethi
- GloNeuro, Sector 107, Vishwakarma Road, Noida, Uttar Pradesh 201301, India
| | - Rakesh Bhaskar
- School of Chemical Engineering, Yeungnam University, Gyeonsang 38541, Republic of Korea; Research Institute of Cell Culture, Yeungnam University, Gyeonsang 38541, Republic of Korea
| | - Krishna Kumar Singh
- Symbiosis Centre for Information Technology (SCIT), Rajiv Gandhi InfoTech Park, Hinjawadi, Pune, Maharashtra 411057, India
| | - Saurabh Gupta
- Department of Biotechnology, GLA University, Mathura, Uttar Pradesh, India
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, Gyeonsang 38541, Republic of Korea; Research Institute of Cell Culture, Yeungnam University, Gyeonsang 38541, Republic of Korea
| | - D Avinash
- Center for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, India
| | - Mosleh Mohammad Abomughaid
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, University of Bisha, Bisha 61922, Saudi Arabia
| | - Apurva Koul
- Chandigarh Pharmacy College, Chandigarh Group of Colleges, Jhanjeri, Mohali, Punjab 140307, India
| | - Bindu Rani
- Department of Medicine, National Institute of Medical Sciences, NIMS University, Jaipur, Rajsthan, India
| | - Shampa Ghosh
- GloNeuro, Sector 107, Vishwakarma Road, Noida, Uttar Pradesh 201301, India.
| | - Niraj Kumar Jha
- Centre of Research Impact and Outcome, Chitkara University, Rajpura, Punjab 140401, India; School of Bioengineering & Biosciences, Lovely Professional University, Phagwara 144411, India; Department of Biotechnology, School of Applied & Life Sciences (SALS), Uttaranchal University, Dehradun 248007, India; Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali, India.
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Hao D, Luo W, Yan Y, Zhou J. Focus on cuproptosis: Exploring new mechanisms and therapeutic application prospects of cuproptosis regulation. Biomed Pharmacother 2024; 178:117182. [PMID: 39053428 DOI: 10.1016/j.biopha.2024.117182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2024] [Revised: 07/15/2024] [Accepted: 07/22/2024] [Indexed: 07/27/2024] Open
Abstract
Cuproptosis is a novel form of regulated cell death, which plays an important role in the physiological and pathological processes of the human body. Despite the increasing research on cuproptosis-related genes (CRGs) and their correlation with diseases, the pathogenesis of cuproptosis-related diseases remains unclear. Furthermore, there is a lack of reviews on the emerging technologies for regulating cuproptosis in disease treatment. This study delves into the copper-induced cell death mechanism, distinguishing cuproptosis from mechanisms like oxidative stress, glutathione synthesis inhibition, and ubiquitin-proteasome system inhibition. Several long-standing mysteries of diseases such as Wilson's disease and Menkes disease may be attributed to the occurrence of cuproptosis. In addition, we also review the detection indicators related to cuproptosis, providing targets for the diagnosis of cuproptosis-related diseases, and summarize the application value of cuproptosis in tumor therapy to better elucidate the impact of copper in cell death and diseases, and thus to promote the application prospects and possible strategies of cuproptosis-related substances, such as copper ion chelators, copper ion carriers, and copper nanomaterials, in disease therapy.
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Affiliation(s)
- Donglin Hao
- Changzhou Key Laboratory of Molecular Diagnostics and Precision Cancer Medicine, Wujin Hospital Affiliated with Jiangsu University, Jiangsu University, Changzhou, China; Changzhou Medical Center, Nanjing Medical University, Changzhou, China
| | - Wei Luo
- Changzhou Key Laboratory of Molecular Diagnostics and Precision Cancer Medicine, Wujin Hospital Affiliated with Jiangsu University, Jiangsu University, Changzhou, China; Department of Laboratory Medicine, Wujin Hospital Affiliated with Jiangsu University, Jiangsu University, Changzhou, China
| | - Yongmin Yan
- Changzhou Key Laboratory of Molecular Diagnostics and Precision Cancer Medicine, Wujin Hospital Affiliated with Jiangsu University, Jiangsu University, Changzhou, China; Department of Laboratory Medicine, Wujin Hospital Affiliated with Jiangsu University, Jiangsu University, Changzhou, China.
| | - Jing Zhou
- Changzhou Key Laboratory of Molecular Diagnostics and Precision Cancer Medicine, Wujin Hospital Affiliated with Jiangsu University, Jiangsu University, Changzhou, China; Department of Laboratory Medicine, Wujin Hospital Affiliated with Jiangsu University, Jiangsu University, Changzhou, China.
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9
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Hossain MS, Das A, Rafiq AM, Deák F, Bagi Z, Outlaw R, Sudhahar V, Yamamoto M, Kaplan JH, Ushio-Fukai M, Fukai T. Altered Copper Transport in Oxidative Stress-Dependent Brain Endothelial Barrier Dysfunction Associated with Alzheimer's Disease. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.08.28.610108. [PMID: 39257825 PMCID: PMC11383690 DOI: 10.1101/2024.08.28.610108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2024]
Abstract
Oxidative stress and blood-brain barrier (BBB) disruption due to brain endothelial barrier dysfunction contribute to Alzheimer's Disease (AD), which is characterized by beta-amyloid (Aβ) accumulation in senile plaques. Copper (Cu) is implicated in AD pathology and its levels are tightly controlled by several Cu transport proteins. However, their expression and role in AD, particularly in relation to brain endothelial barrier function remains unclear. In this study, we examined the expression of Cu transport proteins in the brains of AD mouse models as well as their involvement in Aβ42-induced brain endothelial barrier dysfunction. We found that the Cu uptake transporter CTR1 was upregulated, while the Cu exporter ATP7A and/or ATP7B were downregulated in the hippocampus of AD mouse models, and in Aβ42-treated human brain microvascular endothelial cells (hBMECs). In the 5xFAD AD mouse model, Cu levels (assessed by ICP-MS) were elevated in the hippocampus. Moreover, Aβ42-induced reactive oxygen species (ROS) production, ROS-dependent loss in barrier function in hBMEC (measured by transendothelial electrical resistance), and tyrosine phosphorylation of VE-cadherin were all inhibited by either a membrane permeable Cu chelator or by knocking down CTR1 expression. These findings suggest that dysregulated expression of Cu transport proteins may lead to intracellular Cu accumulation in the AD brain, and that Aβ42 promotes ROS-dependent brain endothelial barrier dysfunction and VE-Cadherin phosphorylation in a CTR1-Cu-dependent manner. Our study uncovers the critical role of Cu transport proteins in oxidative stress-related loss of BBB integrity in AD. Highlights Upregulation of the Cu importer CTR1 and downregulation of the Cu exporter ATP7A in the hippocampus of AD mouse modelsAβ42 increases CTR1 expression while reduces ATP7A and ATP7B levels in human brain microvascular ECs.Aβ42 triggers increased reactive oxygen species (ROS) production in human brain microvascular ECs through a CTR1- and Cu-dependent manner.Aβ42 induces endothelial barrier dysfunction in human brain microvascular ECs through a CTR1-Cu-ROS-pendent manner.
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10
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Yuan S, Zhang Y, Dong PY, Chen Yan YM, Liu J, Zhang BQ, Chen MM, Zhang SE, Zhang XF. A comprehensive review on potential role of selenium, selenoproteins and selenium nanoparticles in male fertility. Heliyon 2024; 10:e34975. [PMID: 39144956 PMCID: PMC11320318 DOI: 10.1016/j.heliyon.2024.e34975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 07/17/2024] [Accepted: 07/19/2024] [Indexed: 08/16/2024] Open
Abstract
Selenium (Se), a component of selenoproteins and selenocompounds in the human body, is crucial for the development of male reproductive organs, DNA synthesis, thyroid hormone, metabolism, and defence against infections and oxidative damage. In the testis, it must exceed a desirable level since either a shortage or an overabundance causes aberrant growth. The antioxidant properties of selenium are essential for preserving human reproductive health. Selenoproteins, which have important structural and enzymatic properties, control the biological activities of Se primarily. These proteins specifically have a role in metabolism and a variety of cellular processes, such as the control of selenium transport, thyroid hormone metabolism, immunity, and redox balance. Selenium nanoparticles (SeNPs) are less hazardous than selenium-based inorganic and organic materials. Upon being functionalized with active targeting ligands, they are both biocompatible and capable of efficiently delivering combinations of payloads to particular cells. In this review, we discuss briefly the chemistry, structure and functions of selenium and milestones of selenium and selenoproteins. Next we discuss the various factors influences male infertility, biological functions of selenium and selenoproteins, and role of selenium and selenoproteins in spermatogenesis and male fertility. Furthermore, we discuss the molecular mechanism of selenium transport and protective effects of selenium on oxidative stress, apoptosis and inflammation. We also highlight critical contribution of selenium nanoparticles on male fertility and spermatogenesis. Finally ends with conclusion and future perspectives.
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Affiliation(s)
- Shuai Yuan
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, 266109, China
| | - Ye Zhang
- Advanced Medical Research Institute, Shandong University, Jinan, Shandong, 250014, China
| | - Pei-Yu Dong
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, 266109, China
| | - Yu-Mei Chen Yan
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, 266109, China
| | - Jing Liu
- Analytical & Testing Center of Qingdao Agricultural University, Qingdao, 266100, China
| | - Bing-Qiang Zhang
- Qingdao Restore Biotechnology Co., Ltd., Qingdao, 266111, China
- Key Laboratory of Cancer and Immune Cells of Qingdao, Qingdao, 266111, China
| | - Meng-Meng Chen
- Qingdao Restore Biotechnology Co., Ltd., Qingdao, 266111, China
- Key Laboratory of Cancer and Immune Cells of Qingdao, Qingdao, 266111, China
| | - Shu-Er Zhang
- Animal Husbandry General Station of Shandong Province, Jinan, 250010, China
| | - Xi-Feng Zhang
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, 266109, China
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Lyon AC, Lippa CF, Eiser AR. Metabolic and Environmental Biomarkers in Mild Cognitive Impairment and Dementia: An Exploratory Study. JOURNAL OF INTEGRATIVE AND COMPLEMENTARY MEDICINE 2024; 30:793-801. [PMID: 38330435 DOI: 10.1089/jicm.2023.0583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Objective: To determine the frequency with which suspected pathogenic factors, including metals and metabolites that might contribute to Alzheimer's disease (AD), may be found in patients with cognitive impairment through commonly available blood tests. Methods: A variety of serum studies, including metals, ammonia, homocysteine, vitamin B12, folate, thyroid tests, metabolic products, and inflammatory markers, were measured in two cohorts: one meeting mild cognitive impairment (MCI) criteria and the other meeting mild-to-moderate dementia (DE) criteria. Medications these patients received were reviewed. Results: Metal abnormalities were detected in over half the subjects, including evidence of mercury, lead, and arsenic elevation as well as instances of excessive essential metals, iron (Fe), and copper. Some metal aberration was detected in 64% of the DE group and 66% of the MCI group. Females were more likely to have elevated copper, consistent with hormonal effects on copper excretion. Homocysteinemia was the most common abnormality, detected in 71% with DE and 67% with MCI, while methylmalonic acid was not elevated. Slight hyperammonemia was moderately common (38%) suggesting a hepatic factor in this subset. Findings of moderate insulin resistance were present in nearly half (44% DE, 52% MCI). Sixty of 65 (92%) had at least one abnormal biomarker and 60% had two or more. The most common drug taken by the total cohort was proton pump inhibitors at 22% DE and 38% MCI. Conclusions: This study suggests that both toxic metals and excessive vital metals such as copper and iron, as well as common metabolic and hepatic factors are detectable at both stages of MCI and DE. There appears to be a multiplicity of provocative factors leading to DE. Individualized interventions based on these parameters may be a means to reduce cognitive decline leading to DE. A more comprehensive prospective study of these environmental and metabolic factors with corrective early interventions appears warranted.
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Affiliation(s)
- Abigail C Lyon
- Department of Neurology, Cognitive Disorders & Comprehensive Alzheimer's Disease Center, Vickie & Jack Farber Institute for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Carol F Lippa
- Department of Neurology, Cognitive Disorders & Comprehensive Alzheimer's Disease Center, Vickie & Jack Farber Institute for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Arnold R Eiser
- Senior Scholar, Penn Center for Public Health, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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12
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Ji X, Liang L. Enhancing Outcomes in Alzheimer's Disease: Exploring the Effects of a Diversified Rehabilitation Program Combined with Donepezil on Apathy, Cognitive Function, and Family Caregiver Burden. ACTAS ESPANOLAS DE PSIQUIATRIA 2024; 52:420-427. [PMID: 39129694 PMCID: PMC11319742 DOI: 10.62641/aep.v52i4.1643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/13/2024]
Abstract
BACKGROUND AND OBJECTIVE Alzheimer's disease is a progressive neurodegenerative disorder characterized by cognitive decline, behavioral changes, and functional impairments. Apathy, a common symptom in Alzheimer's disease, refers to a lack of motivation, interest, and emotional responsiveness. It can significantly impact patients' quality of life and increase caregiver burden. This study aimed to determine the effects of a diversified rehabilitation program combined with donepezil on apathy, cognitive function, and family caregiver burden of Alzheimer's disease patients. METHODS A total of 105 Alzheimer's disease patients treated at our hospital between January 2020 and January 2023 were selected and analyzed retrospectively. They were assigned to the control group (n = 50) or the observation group (n = 55). The two groups did not differ in terms of general data such as age and sex. All patients were treated with donepezil orally. The control group was given routine nursing, whereas the observation group was given a diversified rehabilitation program intervention, including cognitive training and emotional support. The Hasegawa's dementia scale, mini-mental state examination, and Montreal cognitive assessment scale were adopted to evaluate the cognitive function of the two groups before and after treatment. A caregiver burden scale, the Zarit Burden Interview (ZBI) and the Apathy Evaluation Scale Informant version (AES-I) were used to evaluate the caregiver burden and apathy of the two groups. RESULTS A significantly higher overall response rate to treatment was found in the observation group (94.55%) than in the control group (80.00%) (p = 0.024). After treatment, scores on the Hasegawa's dementia scale, mini-mental state examination, and Montreal cognitive assessment scale of the two groups increased to varying degrees, with greater increases in the observation group than in the control group (p < 0.05). The ZBI and AES-I scores of the two groups decreased to different degrees after treatment, with greater decreases in the observation group than in the control group (p < 0.05). CONCLUSION A diversified rehabilitation program combined with donepezil can substantially alleviate the apathy of Alzheimer's disease patients, improve their cognitive function, and reduce the burden on their families.
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Affiliation(s)
- Xiaoxia Ji
- Department of Neurology, The Second Affiliated Hospital of Hainan Medical University, 570311 Haikou, Hainan, China
| | - Lihua Liang
- Department of Geriatrics, The Second Affiliated Hospital of Hainan Medical University, 570311 Haikou, Hainan, China
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13
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Prajapati SK, Pathak A, Samaiya PK. Alzheimer's disease: from early pathogenesis to novel therapeutic approaches. Metab Brain Dis 2024; 39:1231-1254. [PMID: 39046584 DOI: 10.1007/s11011-024-01389-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 07/15/2024] [Indexed: 07/25/2024]
Abstract
The mainstay behind Alzheimer's disease (AD) remains unknown due to the elusive pathophysiology of the disease. Beta-amyloid and phosphorylated Tau is still widely incorporated in various research studies while studying AD. However, they are not sufficient. Therefore, many scientists and researchers have dug into AD studies to deliver many innovations in this field. Many novel biomarkers, such as phosphoglycerate-dehydrogenase, clusterin, microRNA, and a new peptide ratio (Aβ37/Aβ42) in cerebral-spinal fluid, plasma glial-fibrillary-acidic-protein, and lipid peroxidation biomarkers, are mushrooming. They are helping scientists find breakthroughs and substantiating their research on the early detection of AD. Neurovascular unit dysfunction in AD is a significant discovery that can help us understand the relationship between neuronal activity and cerebral blood flow. These new biomarkers are promising and can take these AD studies to another level. There have also been big steps forward in diagnosing and finding AD. One example is self-administered-gerocognitive-examination, which is less expensive and better at finding AD early on than mini-mental-state-examination. Quantum brain sensors and electrochemical biosensors are innovations in the detection field that must be explored and incorporated into the studies. Finally, novel innovations in AD studies like nanotheranostics are the future of AD treatment, which can not only diagnose and detect AD but also offer treatment. Non-pharmacological strategies to treat AD have also yielded interesting results. Our literature review spans from 1957 to 2022, capturing research and trends in the field over six decades. This review article is an update not only on the recent advances in the search for credible biomarkers but also on the newer detection techniques and therapeutic approaches targeting AD.
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Affiliation(s)
- Santosh Kumar Prajapati
- Bhavdiya Institute of Pharmaceutical Sciences and Research, Ayodhya, UP, India
- Department of Neurosurgery and Brain Repair, University of South Florida, Tampa, FL, 33613, USA
| | - Arjit Pathak
- Department of Pharmacy Shri G.S. Institute of Technology and Science, Indore, 452003, Madhya Pradesh, India
| | - Puneet K Samaiya
- Department of Pharmacy Shri G.S. Institute of Technology and Science, Indore, 452003, Madhya Pradesh, India.
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14
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Liang L, Zhu Z, Su H, Zhao T, Lu Y. Neighborhood structure-guided brain functional networks estimation for mild cognitive impairment identification. PeerJ 2024; 12:e17774. [PMID: 39099649 PMCID: PMC11296305 DOI: 10.7717/peerj.17774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 06/28/2024] [Indexed: 08/06/2024] Open
Abstract
The adoption and growth of functional magnetic resonance imaging (fMRI) technology, especially through the use of Pearson's correlation (PC) for constructing brain functional networks (BFN), has significantly advanced brain disease diagnostics by uncovering the brain's operational mechanisms and offering biomarkers for early detection. However, the PC always tends to make for a dense BFN, which violates the biological prior. Therefore, in practice, researchers use hard-threshold to remove weak connection edges or introduce l 1-norm as a regularization term to obtain sparse BFNs. However, these approaches neglect the spatial neighborhood information between regions of interest (ROIs), and ROI with closer distances has higher connectivity prospects than ROI with farther distances due to the principle of simple wiring costs in resent studies. Thus, we propose a neighborhood structure-guided BFN estimation method in this article. In detail, we figure the ROIs' Euclidean distances and sort them. Then, we apply the K-nearest neighbor (KNN) to find out the top K neighbors closest to the current ROIs, where each ROI's K neighbors are independent of each other. We establish the connection relationship between the ROIs and these K neighbors and construct the global topology adjacency matrix according to the binary network. Connect ROI nodes with k nearest neighbors using edges to generate an adjacency graph, forming an adjacency matrix. Based on adjacency matrix, PC calculates the correlation coefficient between ROIs connected by edges, and generates the BFN. With the purpose of evaluating the performance of the introduced method, we utilize the estimated BFN for distinguishing individuals with mild cognitive impairment (MCI) from the healthy ones. Experimental outcomes imply this method attains better classification performance than the baselines. Additionally, we compared it with the most commonly used time series methods in deep learning. Results of the performance of K-nearest neighbor-Pearson's correlation (K-PC) has some advantage over deep learning.
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Affiliation(s)
- Lizhong Liang
- School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China
| | - Zijian Zhu
- School of Public Health, Guangdong Medical University, Dongguan, China
| | - Hui Su
- Shandong Liaocheng Intelligent Vocational Technical School, Liaocheng, China
| | | | - Yao Lu
- School of Computer Science and Engineering, Sun Yat-sen University, Guangzhou, China
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15
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Yang C, Wu X, Feng J, Wu C, Cui X, Wang Z, Yang L. Clinical values of serum C5a in Alzheimer's disease patients with different dementia stages. Neurosci Lett 2024; 836:137833. [PMID: 38796095 DOI: 10.1016/j.neulet.2024.137833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 05/22/2024] [Accepted: 05/22/2024] [Indexed: 05/28/2024]
Abstract
Alzheimer's disease (AD) is characterized by abnormal inflammatory responses, and complement C5a (C5a) is known to initiate inflammation. This study aimed to investigate the associations between serum C5a, inflammatory responses, and cognitive function in AD patients. A total of 242 AD patients and 132 age-matched controls were included. Enzyme-linked immunosorbent assay revealed increased levels of C5a, interleukin (IL)-4, IL-6, IL-10, IL-1β, and tumor necrosis factor (TNF)-α with advancing stages of AD. Pearson correlation coefficient and receiver operating characteristic curve revealed positive correlations between serum C5a levels, inflammatory cytokine levels, Neuropsychiatric Inventory (NPI) and Activities of Daily Living (ADL) scores, and negative correlations with Mini-mental State Examination (MMSE) and Montreal cognitive assessment (MoCA) scores. Serum C5a above 68.68 pg/mL could aid in the diagnosis of AD. Multivariable logistic analysis revealed that serum C5a was an independent risk factor for IL-1β/IL-6/IL-10/TNF-α and an independent protective factor for IL-4. Higher serum C5a levels were associated with lower MMSE and MoCA scores. In conclusion, elevated serum C5a levels were beneficial for AD diagnosis and predictive of inflammation and cognitive dysfunction.
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Affiliation(s)
- Caijia Yang
- Shenzhen Hospital of Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Xian Wu
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Jun Feng
- Shenzhen Hospital of Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Chunyu Wu
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xing Cui
- Shenzhen Hospital of Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Zeyu Wang
- Shenzhen Pingle Orthopedic Hospital (Shenzhen Pingshan Traditional Chinese Medicine Hospital), Shenzhen, China
| | - Lizhen Yang
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China.
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16
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Maimaiti Y, Su T, Zhang Z, Ma L, Zhang Y, Xu H. NOX4-mediated astrocyte ferroptosis in Alzheimer's disease. Cell Biosci 2024; 14:88. [PMID: 38956702 PMCID: PMC11218381 DOI: 10.1186/s13578-024-01266-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 06/19/2024] [Indexed: 07/04/2024] Open
Abstract
This study investigates NADPH oxidase 4 (NOX4) involvement in iron-mediated astrocyte cell death in Alzheimer's Disease (AD) using single-cell sequencing data and transcriptomes. We analyzed AD single-cell RNA sequencing data, identified astrocyte marker genes, and explored biological processes in astrocytes. We integrated AD-related chip data with ferroptosis-related genes, highlighting NOX4. We validated NOX4's role in ferroptosis and AD in vitro and in vivo. Astrocyte marker genes were enriched in AD, emphasizing their role. NOX4 emerged as a crucial player in astrocytic ferroptosis in AD. Silencing NOX4 mitigated ferroptosis, improved cognition, reduced Aβ and p-Tau levels, and alleviated mitochondrial abnormalities. NOX4 promotes astrocytic ferroptosis, underscoring its significance in AD progression.
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Affiliation(s)
- Yasenjiang Maimaiti
- Gerontology Center, People's Hospital of Xinjiang Uygur Autonomous Region, No.91 Tianchi Road, Urumqi, Xinjiang, China.
| | - Ting Su
- Gerontology Center, People's Hospital of Xinjiang Uygur Autonomous Region, No.91 Tianchi Road, Urumqi, Xinjiang, China
| | - Zhanying Zhang
- Gerontology Center, People's Hospital of Xinjiang Uygur Autonomous Region, No.91 Tianchi Road, Urumqi, Xinjiang, China
| | - Lingling Ma
- Gerontology Center, People's Hospital of Xinjiang Uygur Autonomous Region, No.91 Tianchi Road, Urumqi, Xinjiang, China
| | - Yuan Zhang
- Gerontology Center, People's Hospital of Xinjiang Uygur Autonomous Region, No.91 Tianchi Road, Urumqi, Xinjiang, China
| | - Hong Xu
- Gerontology Center, People's Hospital of Xinjiang Uygur Autonomous Region, No.91 Tianchi Road, Urumqi, Xinjiang, China.
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17
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Xu Y, Xu M, Zhou C, Sun L, Cai W, Li X. Ferroptosis and its implications in treating cognitive impairment caused by aging: A study on the mechanism of repetitive transcranial magnetic stimulation. Exp Gerontol 2024; 192:112443. [PMID: 38697556 DOI: 10.1016/j.exger.2024.112443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 04/10/2024] [Accepted: 04/23/2024] [Indexed: 05/05/2024]
Abstract
OBJECTIVE Ferroptosis has been recognized as being closely associated with cognitive impairment. Research has established that Alzheimer's disease (AD)-associated proteins, such as amyloid precursor protein (APP) and phosphorylated tau, are involved in brain iron metabolism. These proteins are found in high concentrations within senile plaques and neurofibrillary tangles. Repetitive transcranial magnetic stimulation (rTMS) offers a non-pharmacological approach to AD treatment. This study aims to explore the potential therapeutic effects of rTMS on cognitive impairment through the modulation of the ferroptosis pathway, thereby laying both a theoretical and experimental groundwork for the application of rTMS in treating Alzheimer's disease. METHODS The study utilized senescence-accelerated mouse prone 8 (SAMP8) mice to model brain aging-related cognitive impairment, with senescence-accelerated-mouse resistant 1 (SAMR1) mice acting as controls. The SAMP8 mice were subjected to high-frequency rTMS at 25 Hz for durations of 14 and 28 days. Cognitive function was evaluated using behavioral tests. Resting-state functional magnetic resonance imaging (rs-fMRI) assessed alterations in cerebral activity by measuring the fractional amplitude of low-frequency fluctuations (fALFF) of the blood oxygen level-dependent signal. Neuronal recovery post-rTMS in the SAMP8 model was examined via HE and Nissl staining. Immunohistochemistry was employed to detect the expression of APP and Phospho-Tau (Thr231). Oxidative stress markers were quantified using biochemical assay kits. ELISA methods were utilized to measure hippocampal levels of Fe2+ and Aβ1-42. Finally, the expression of proteins related to the ferroptosis pathway was determined through western blot analysis. RESULTS The findings indicate that 25 Hz rTMS enhances cognitive function and augments cerebral activity in SAMP8 model mice. Treatment with rTMS in these mice resulted in diminished oxidative stress and safeguarded neurons against damage. Additionally, iron accumulation was mitigated, and the expression of ferroptosis pathway proteins Gpx4, system Xc-, and Nrf2 was elevated. CONCLUSIONS The Tau/APP-Fe-GPX4/system Xc-/Nrf2 pathway is implicated in the remedial effects of rTMS on cognitive dysfunction, offering a theoretical and experimental basis for employing rTMS in AD treatment.
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Affiliation(s)
- Yuya Xu
- Department of Neurology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin City, Heilongjiang 150001, China
| | - Mengrong Xu
- Department of Neurology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin City, Heilongjiang 150001, China
| | - Chengyu Zhou
- Department of Neurology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin City, Heilongjiang 150001, China
| | - Ling Sun
- Department of Neurology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin City, Heilongjiang 150001, China
| | - Wenqiang Cai
- Department of Neurology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin City, Heilongjiang 150001, China
| | - Xuling Li
- Department of Neurology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin City, Heilongjiang 150001, China.
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18
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Hacioglu C, Kar F, Sahin MC. Neurochemical Research of LOXBlock-1 and ZnSO 4 against Neurodegenerative Damage Induced by Amyloid Beta(1-42). Biol Trace Elem Res 2024; 202:3204-3214. [PMID: 37872362 DOI: 10.1007/s12011-023-03908-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 10/06/2023] [Indexed: 10/25/2023]
Abstract
Synaptosomes offer an intriguing ex vivo model system for investigating the molecular mechanisms of neurodegenerative processes. Lipoxygenases significantly affect the course of neurodegenerative diseases. Homeostasis of trace elements such as zinc is necessary for the continuity of brain functions. In this study, we purpose to determine whether LOXBlock-1, a 12/15 lipoxygenase inhibitor, and zinc sulfate (ZnSO4) provide any biochemical protection during neurodegenerative damage in synaptosomes induced by amyloid beta 1-42 (Aβ1-42). In this study, animals (30 Wistar Albino male rats 30) were divided into 5 groups (6 animals in each group): Control, 10µM Aβ1-42, 10µM Aβ1-42+25mM LOXBlock-1, 10µM Aβ1-42+10µM ZnSO4, and 10µM Aβ1-42+25mM LOXBlock-1+10µM ZnSO4. Synaptosomes were isolated from the rat cerebral cortex. Following, 8-hydroxy-2-deoxyguanosine (8-OHdG) levels, malondialdehyde (MDA) levels, adenosine deaminase (ADA) levels, reduced-glutathione (GSH) levels, neuronal nitric oxide synthase (nNOS) levels, acetylcholinesterase (AChE) activity, catalase (CAT) activity, and 8-OHdG levels in synaptosomes were detected according to the ELISA method. ADA and AChE expression and protein levels were analyzed. MDA, nNOS, AChE, and 8-OHdG levels in synaptosomes treated with Aβ1-42 resulted in an increase, while there was a decrease in ADA, GSH, and CAT levels (p<0.001 vs. control). Conversely, LOXBlock-1 and ZnSO4 treatments in synaptosomes treated with Aβ1-42 decreased MDA, nNOS, AChE, and 8-OHdG levels, while ADA, GSH, and CAT levels increased. Moreover, the most effective improvement was seen in the co-treatment group of LOXBlock-1 and ZnSO4. Our data showed that LOXBlock-1 and ZnSO4 co-treatment may protect against Aβ1-42 exposure in rat brain synaptosomes.
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Affiliation(s)
- Ceyhan Hacioglu
- Department of Biochemistry, Faculty of Pharmacy, Duzce University, Duzce, Turkey.
- Department of Medical Biochemistry, Faculty of Medicine, Duzce University, Duzce, Turkey.
| | - Fatih Kar
- Department of Medical Biochemistry, Faculty of Medicine, Kütahya Health Sciences University, Kütahya, Turkey
| | - Meryem Cansu Sahin
- Department of Medical Services and Techniques, Medical Imaging Techniques Program, Uşak University, Uşak, Turkey
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19
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Li SY, Guo JS, Yang YJ. Design, synthesis and biological activity of oxyevodiamine-based histone deacetylase 6 inhibitors. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2024:1-11. [PMID: 38945152 DOI: 10.1080/10286020.2024.2362383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 05/28/2024] [Indexed: 07/02/2024]
Abstract
Histone deacetylase 6 (HDAC6) was a potential target for Alzheimer's disease (AD). In this study, a series of novel oxyevodiamine-based HDAC6 inhibitors with a variety of linker moieties were designed, synthesized and evaluated. Compound 12 with a benzyl linker was identified as a high potent and selective HDAC6 inhibitor. It inhibited HDAC6 with an IC50 value of 6.2 nM and was more than 200 fold selectivity over HDAC1. It also had lower cytotoxicity and higher anti-H2O2 activity in vitro comparing with other derivatives. Compound 12 might be a good lead as novel HDAC6 inhibitor for the treatment of AD.
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Affiliation(s)
- Si-Yuan Li
- Beijing Key Laboratory of Active Substance Discovery and Drug ability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jiang-Shan Guo
- Beijing Key Laboratory of Active Substance Discovery and Drug ability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Ya-Jun Yang
- Beijing Key Laboratory of Active Substance Discovery and Drug ability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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20
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de Sousa LF, Paschoal DFS, Novato WTG. Molecular modeling of multi-target analogs of huperzine A and applications in Alzheimer's disease. J Mol Model 2024; 30:200. [PMID: 38850372 DOI: 10.1007/s00894-024-05991-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 05/21/2024] [Indexed: 06/10/2024]
Abstract
CONTEXT Given the diverse pathophysiological mechanisms underlying Alzheimer's disease, it is improbable that a single targeted drug will prove successful as a therapeutic strategy. Therefore, exploring various hypotheses in drug design is imperative. The sequestration of Fe(II) and Zn(II) cations stands out as a crucial mechanism based on the mitigation of reactive oxygen species. Moreover, inhibiting acetylcholinesterase represents a pivotal strategy to enhance acetylcholine levels in the synaptic cleft. This research aims to investigate the analogs of Huperzine A, documented in scientific literature, considering of these two hypotheses. Consequently, the speciation chemistry of these structures with Fe(II) and Zn(II) was scrutinized using quantum chemistry calculations, molecular docking simulations, and theoretical predictions of pharmacokinetics properties. From the pharmacokinetic properties, only two analogs, HupA-A1 and HupA-A2, exhibited a theoretical permeability across the blood-brain barrier; on the other hand, from a thermodynamic standpoint, the enantiomers of HupA-A2 showed negligible chelation values. The enantiomers with the most favorable interaction parameters were S'R'HupA-A1 (ΔGBIND = -40.0 kcal mol-1, fitness score = 35.5) and R'R'HupA-A1 (ΔGBIND = -35.5 kcal mol-1, fitness score = 22.61), being compared with HupA (ΔGBIND = -41.75 kcal mol-1, fitness score = 39.95). From this study, some prime candidates for promising drug were S'R'HupA-A1 and R'R'HupA-A1, primarily owing to their favorable thermodynamic chelating capability and potential anticholinesterase mechanism. METHODS Quantum chemistry calculations were carried out at B3LYP/6-31G(d) level, considering the IEF-PCM(UFF) implicit solvent model for water. The coordination compounds were assessed using the Gibbs free energy variation and hard and soft acid theory. Molecular docking calculations were conducted using the GOLD program, based on the crystal structure of the acetylcholinesterase protein (PDB code = 4EY5), where the ChemScore function was employed with the active site defined as the region within a 15-Å radius around the centroid coordinates (X = -9.557583, Y = -43.910473, Z = 31.466687). Pharmacokinetic properties were predicted using SwissADME, focusing on Lipinski's rule of five.
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Affiliation(s)
- Leonardo F de Sousa
- NQTCM: Núcleo de Química Teórica e Computacional de Macaé, Polo Ajuda, Instituto Multidisciplinar de Química, Centro Multidisciplinar UFRJ-Macaé, Universidade Federal do Rio de Janeiro, 27.971-525, Macaé, RJ, Rio de Janeiro, Brazil
| | - Diego F S Paschoal
- NQTCM: Núcleo de Química Teórica e Computacional de Macaé, Polo Ajuda, Instituto Multidisciplinar de Química, Centro Multidisciplinar UFRJ-Macaé, Universidade Federal do Rio de Janeiro, 27.971-525, Macaé, RJ, Rio de Janeiro, Brazil.
| | - Willian T G Novato
- NQTCM: Núcleo de Química Teórica e Computacional de Macaé, Polo Ajuda, Instituto Multidisciplinar de Química, Centro Multidisciplinar UFRJ-Macaé, Universidade Federal do Rio de Janeiro, 27.971-525, Macaé, RJ, Rio de Janeiro, Brazil
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21
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Kim JM, Kim WR, Park EG, Lee DH, Lee YJ, Shin HJ, Jeong HS, Roh HY, Kim HS. Exploring the Regulatory Landscape of Dementia: Insights from Non-Coding RNAs. Int J Mol Sci 2024; 25:6190. [PMID: 38892378 PMCID: PMC11172830 DOI: 10.3390/ijms25116190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 05/24/2024] [Accepted: 06/03/2024] [Indexed: 06/21/2024] Open
Abstract
Dementia, a multifaceted neurological syndrome characterized by cognitive decline, poses significant challenges to daily functioning. The main causes of dementia, including Alzheimer's disease (AD), frontotemporal dementia (FTD), Lewy body dementia (LBD), and vascular dementia (VD), have different symptoms and etiologies. Genetic regulators, specifically non-coding RNAs (ncRNAs) such as microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs), are known to play important roles in dementia pathogenesis. MiRNAs, small non-coding RNAs, regulate gene expression by binding to the 3' untranslated regions of target messenger RNAs (mRNAs), while lncRNAs and circRNAs act as molecular sponges for miRNAs, thereby regulating gene expression. The emerging concept of competing endogenous RNA (ceRNA) interactions, involving lncRNAs and circRNAs as competitors for miRNA binding, has gained attention as potential biomarkers and therapeutic targets in dementia-related disorders. This review explores the regulatory roles of ncRNAs, particularly miRNAs, and the intricate dynamics of ceRNA interactions, providing insights into dementia pathogenesis and potential therapeutic avenues.
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Affiliation(s)
- Jung-min Kim
- Department of Integrated Biological Sciences, Pusan National University, Busan 46241, Republic of Korea; (J.-m.K.); (W.R.K.); (E.G.P.); (D.H.L.); (Y.J.L.); (H.J.S.); (H.-s.J.)
- Institute of Systems Biology, Pusan National University, Busan 46241, Republic of Korea;
| | - Woo Ryung Kim
- Department of Integrated Biological Sciences, Pusan National University, Busan 46241, Republic of Korea; (J.-m.K.); (W.R.K.); (E.G.P.); (D.H.L.); (Y.J.L.); (H.J.S.); (H.-s.J.)
- Institute of Systems Biology, Pusan National University, Busan 46241, Republic of Korea;
| | - Eun Gyung Park
- Department of Integrated Biological Sciences, Pusan National University, Busan 46241, Republic of Korea; (J.-m.K.); (W.R.K.); (E.G.P.); (D.H.L.); (Y.J.L.); (H.J.S.); (H.-s.J.)
- Institute of Systems Biology, Pusan National University, Busan 46241, Republic of Korea;
| | - Du Hyeong Lee
- Department of Integrated Biological Sciences, Pusan National University, Busan 46241, Republic of Korea; (J.-m.K.); (W.R.K.); (E.G.P.); (D.H.L.); (Y.J.L.); (H.J.S.); (H.-s.J.)
- Institute of Systems Biology, Pusan National University, Busan 46241, Republic of Korea;
| | - Yun Ju Lee
- Department of Integrated Biological Sciences, Pusan National University, Busan 46241, Republic of Korea; (J.-m.K.); (W.R.K.); (E.G.P.); (D.H.L.); (Y.J.L.); (H.J.S.); (H.-s.J.)
- Institute of Systems Biology, Pusan National University, Busan 46241, Republic of Korea;
| | - Hae Jin Shin
- Department of Integrated Biological Sciences, Pusan National University, Busan 46241, Republic of Korea; (J.-m.K.); (W.R.K.); (E.G.P.); (D.H.L.); (Y.J.L.); (H.J.S.); (H.-s.J.)
- Institute of Systems Biology, Pusan National University, Busan 46241, Republic of Korea;
| | - Hyeon-su Jeong
- Department of Integrated Biological Sciences, Pusan National University, Busan 46241, Republic of Korea; (J.-m.K.); (W.R.K.); (E.G.P.); (D.H.L.); (Y.J.L.); (H.J.S.); (H.-s.J.)
- Institute of Systems Biology, Pusan National University, Busan 46241, Republic of Korea;
| | - Hyun-Young Roh
- Institute of Systems Biology, Pusan National University, Busan 46241, Republic of Korea;
- Department of Biological Sciences, College of Natural Sciences, Pusan National University, Busan 46241, Republic of Korea
| | - Heui-Soo Kim
- Institute of Systems Biology, Pusan National University, Busan 46241, Republic of Korea;
- Department of Biological Sciences, College of Natural Sciences, Pusan National University, Busan 46241, Republic of Korea
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22
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Zheng Q, Zhu H, Lv C, Zhu Z, Cui H, Fan Z, Sun J, Huang Z, Shi P. Clioquinol rescues yeast cells from Aβ42 toxicity via the inhibition of oxidative damage. Biotechnol J 2024; 19:e2300662. [PMID: 38863126 DOI: 10.1002/biot.202300662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 03/21/2024] [Accepted: 04/08/2024] [Indexed: 06/13/2024]
Abstract
Alzheimer's disease (AD), the most common form of dementia, has gotten considerable attention. Previous studies have demonstrated that clioquinol (CQ) as a metal chelator is a potential drug for the treatment of AD. However, the mode of action of CQ in AD is still unclear. In our study, the antioxidant effects of CQ on yeast cells expressing Aβ42 were investigated. We found that CQ could reduce Aβ42 toxicity by alleviating reactive oxygen species (ROS) generation and lipid peroxidation level in yeast cells. These alterations were mainly attributable to the increased reduced glutathione (GSH) content and independent of activities of superoxide dismutase (SOD) and/or catalase (CAT). CQ could affect antioxidant enzyme activity by altering the transcription level of related genes. Interestingly, it was noted for the first time that CQ could combine with antioxidant enzymes to reduce their enzymatic activities by molecular docking and circular dichroism spectroscopy. In addition, CQ restored Aβ42-mediated disruption of GSH homeostasis via regulating YAP1 expression to protect cells against oxidative stress. Our findings not only improve the current understanding of the mechanism of CQ as a potential drug for AD treatment but also provide ideas for subsequent drug research and development.
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Affiliation(s)
- Qiaoqiao Zheng
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Hongzheng Zhu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Chunyi Lv
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Ziting Zhu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Hanyue Cui
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Zheyu Fan
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Jing Sun
- Qinghai Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, The Chinese Academy of Sciences, Xining, China
| | - Zhiwei Huang
- College of Biological Science and Medical Engineering, Donghua University, Shanghai, China
| | - Ping Shi
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
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23
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Su H, Masters CL, Bush AI, Barnham KJ, Reid GE, Vella LJ. Exploring the significance of lipids in Alzheimer's disease and the potential of extracellular vesicles. Proteomics 2024; 24:e2300063. [PMID: 37654087 DOI: 10.1002/pmic.202300063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 08/07/2023] [Accepted: 08/14/2023] [Indexed: 09/02/2023]
Abstract
Lipids play a significant role in maintaining central nervous system (CNS) structure and function, and the dysregulation of lipid metabolism is known to occur in many neurological disorders, including Alzheimer's disease. Here we review what is currently known about lipid dyshomeostasis in Alzheimer's disease. We propose that small extracellular vesicle (sEV) lipids may provide insight into the pathophysiology and progression of Alzheimer's disease. This stems from the recognition that sEV likely contributes to disease pathogenesis, but also an understanding that sEV can serve as a source of potential biomarkers. While the protein and RNA content of sEV in the CNS diseases have been studied extensively, our understanding of the lipidome of sEV in the CNS is still in its infancy.
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Affiliation(s)
- Huaqi Su
- The Florey, The University of Melbourne, Parkville, Victoria, Australia
- School of Chemistry, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia
| | - Colin L Masters
- The Florey, The University of Melbourne, Parkville, Victoria, Australia
| | - Ashley I Bush
- The Florey, The University of Melbourne, Parkville, Victoria, Australia
| | - Kevin J Barnham
- The Florey, The University of Melbourne, Parkville, Victoria, Australia
| | - Gavin E Reid
- School of Chemistry, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia
- Department of Biochemistry and Pharmacology, The University of Melbourne, Parkville, Victoria, Australia
| | - Laura J Vella
- The Florey, The University of Melbourne, Parkville, Victoria, Australia
- Department of Surgery, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Victoria, Australia
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24
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Pagotto GLDO, dos Santos LMO, Osman N, Lamas CB, Laurindo LF, Pomini KT, Guissoni LM, de Lima EP, Goulart RDA, Catharin VMCS, Direito R, Tanaka M, Barbalho SM. Ginkgo biloba: A Leaf of Hope in the Fight against Alzheimer's Dementia: Clinical Trial Systematic Review. Antioxidants (Basel) 2024; 13:651. [PMID: 38929090 PMCID: PMC11201198 DOI: 10.3390/antiox13060651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 05/15/2024] [Accepted: 05/21/2024] [Indexed: 06/28/2024] Open
Abstract
Alzheimer's disease (AD) is a stealthy and progressive neurological disorder that is a leading cause of dementia in the global elderly population, imposing a significant burden on both the elderly and society. Currently, the condition is treated with medications that alleviate symptoms. Nonetheless, these drugs may not consistently produce the desired results and can cause serious side effects. Hence, there is a vigorous pursuit of alternative options to enhance the quality of life for patients. Ginkgo biloba (GB), an herb with historical use in traditional medicine, contains bioactive compounds such as terpenoids (Ginkgolides A, B, and C), polyphenols, organic acids, and flavonoids (quercetin, kaempferol, and isorhamnetin). These compounds are associated with anti-inflammatory, antioxidant, and neuroprotective properties, making them valuable for cognitive health. A systematic search across three databases using specific keywords-GB in AD and dementia-yielded 1702 documents, leading to the selection of 15 clinical trials for synthesis. In eleven studies, GB extract/EGb 761® was shown to improve cognitive function, neuropsychiatric symptoms, and functional abilities in both dementia types. In four studies, however, there were no significant differences between the GB-treated and placebo groups. Significant improvements were observed in scores obtained from the Mini-Mental State Examination (MMSE), Short Cognitive Performance Test (SKT), and Neuropsychiatric Inventory (NPI). While the majority of synthesized clinical trials show that Ginkgo biloba has promising potential for the treatment of these conditions, more research is needed to determine optimal dosages, effective delivery methods, and appropriate pharmaceutical formulations. Furthermore, a thorough assessment of adverse effects, exploration of long-term use implications, and investigation into potential drug interactions are critical aspects that must be carefully evaluated in future studies.
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Affiliation(s)
- Guilherme Lopes de Oliveira Pagotto
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Higino Muzzi Filho, 1001, Marília 17525-902, SP, Brazil; (G.L.d.O.P.); (L.M.O.d.S.); (N.O.); (L.F.L.); (K.T.P.); (L.M.G.); (E.P.d.L.); (V.M.C.S.C.)
| | - Livia Maria Oliveira dos Santos
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Higino Muzzi Filho, 1001, Marília 17525-902, SP, Brazil; (G.L.d.O.P.); (L.M.O.d.S.); (N.O.); (L.F.L.); (K.T.P.); (L.M.G.); (E.P.d.L.); (V.M.C.S.C.)
| | - Najwa Osman
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Higino Muzzi Filho, 1001, Marília 17525-902, SP, Brazil; (G.L.d.O.P.); (L.M.O.d.S.); (N.O.); (L.F.L.); (K.T.P.); (L.M.G.); (E.P.d.L.); (V.M.C.S.C.)
| | - Caroline Barbalho Lamas
- Department of Gerontology, Universidade Federal de São Carlos, UFSCar, São Carlos 13565-905, SP, Brazil;
| | - Lucas Fornari Laurindo
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Higino Muzzi Filho, 1001, Marília 17525-902, SP, Brazil; (G.L.d.O.P.); (L.M.O.d.S.); (N.O.); (L.F.L.); (K.T.P.); (L.M.G.); (E.P.d.L.); (V.M.C.S.C.)
- Department of Biochemistry and Pharmacology, School of Medicine, Faculdade de Medicina de Marília (FAMEMA), Marília 17519-030, SP, Brazil
| | - Karina Torres Pomini
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Higino Muzzi Filho, 1001, Marília 17525-902, SP, Brazil; (G.L.d.O.P.); (L.M.O.d.S.); (N.O.); (L.F.L.); (K.T.P.); (L.M.G.); (E.P.d.L.); (V.M.C.S.C.)
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Marília 17525-902, SP, Brazil;
| | - Leila M. Guissoni
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Higino Muzzi Filho, 1001, Marília 17525-902, SP, Brazil; (G.L.d.O.P.); (L.M.O.d.S.); (N.O.); (L.F.L.); (K.T.P.); (L.M.G.); (E.P.d.L.); (V.M.C.S.C.)
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Marília 17525-902, SP, Brazil;
| | - Enzo Pereira de Lima
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Higino Muzzi Filho, 1001, Marília 17525-902, SP, Brazil; (G.L.d.O.P.); (L.M.O.d.S.); (N.O.); (L.F.L.); (K.T.P.); (L.M.G.); (E.P.d.L.); (V.M.C.S.C.)
| | - Ricardo de Alvares Goulart
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Marília 17525-902, SP, Brazil;
| | - Virginia M. C. Strozze Catharin
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Higino Muzzi Filho, 1001, Marília 17525-902, SP, Brazil; (G.L.d.O.P.); (L.M.O.d.S.); (N.O.); (L.F.L.); (K.T.P.); (L.M.G.); (E.P.d.L.); (V.M.C.S.C.)
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Marília 17525-902, SP, Brazil;
| | - Rosa Direito
- Laboratory of Systems Integration Pharmacology, Clinical & Regulatory Science, Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal;
- Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Masaru Tanaka
- Danube Neuroscience Research Laboratory, HUN-REN-SZTE Neuroscience Research Group, Hungarian Research Network, University of Szeged (HUN-REN-SZTE), Tisza Lajos krt. 113, H-6725 Szeged, Hungary
| | - Sandra Maria Barbalho
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Higino Muzzi Filho, 1001, Marília 17525-902, SP, Brazil; (G.L.d.O.P.); (L.M.O.d.S.); (N.O.); (L.F.L.); (K.T.P.); (L.M.G.); (E.P.d.L.); (V.M.C.S.C.)
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, Marília 17525-902, SP, Brazil;
- Department of Biochemistry and Nutrition, School of Food and Technology of Marília (FATEC), Marília 17500-000, SP, Brazil
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25
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Melegari M, Neri M, Falco A, Tegoni M, Maffini M, Fornari F, Mucchino C, Artizzu F, Serpe A, Marchiò L. Tailoring the Use of 8-Hydroxyquinolines for the Facile Separation of Iron, Dysprosium and Neodymium. CHEMSUSCHEM 2024:e202400286. [PMID: 38786929 DOI: 10.1002/cssc.202400286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 05/23/2024] [Accepted: 05/24/2024] [Indexed: 05/25/2024]
Abstract
Permanent magnets (PMs) containing rare earth elements (REEs) can generate energy in a sustainable manner. With an anticipated tenfold increase in REEs demand by 2050, one of the crucial strategies to meet the demand is developing of efficient recycling methods. NdFeB PMs are the most widely employed, however, the similar chemical properties of Nd (20-30 % wt.) and Dy (0-10 % wt.) make their recycling challenging, but possible using appropriate ligands. In this work, we investigated commercially available 8-hydroxyquinolines (HQs) as potential Fe/Nd/Dy complexing agents enabling metal separation by selective precipitation playing on specific structure/property (solubility) relationship. Specifically, test ethanolic solutions of nitrate salts, prepared to mimic the main components of a PM leachate, were treated with functionalized HQs. We demonstrated that Fe3+ can be separated as insoluble [Fe(QCl,I)3] from soluble [REE(QCl,I)4]- complexes (QCl,I -: 5-Cl-7-I-8-hydoxyquinolinate). Following that, QCl - (5-Cl-8-hydroxyquinolinate) formed insoluble [Nd3(QCl)9] and soluble (Bu4N)[Dy(QCl)4]. The process ultimately gave a solution phase containing Dy with only traces of Nd. In a preliminary attempt to assess the potentiality of a low environmental impact process, REEs were recovered as oxalates, while the ligands as well as Bu4N+ ions, were regenerated and internally reused, thus contributing to the sustainability of a possible metal recovery process.
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Affiliation(s)
- Matteo Melegari
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124, Parma, Italy
| | - Martina Neri
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124, Parma, Italy
| | - Alex Falco
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124, Parma, Italy
| | - Matteo Tegoni
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124, Parma, Italy
| | - Monica Maffini
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124, Parma, Italy
| | - Fabio Fornari
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124, Parma, Italy
| | - Claudio Mucchino
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124, Parma, Italy
| | - Flavia Artizzu
- Department of Sustainable Development and Ecological Transition, University of Eastern Piedmont "A. Avogadro", Piazza S. Eusebio 5, 13100, Vercelli, Italy
| | - Angela Serpe
- Department of Civil and Environmental Engineering and Architecture (DICAAR), and Research Unit of INSTM, University of Cagliari, Via Marengo 2, 09123, Cagliari, Italy
- Environmental Geology and Geoengineering Institute of the National Research Council (IGAG-CNR), Piazza d'Armi, 09123, Cagliari, Italy
| | - Luciano Marchiò
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze 11/A, 43124, Parma, Italy
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26
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Wang F, Wang A, Huang Y, Gao W, Xu Y, Zhang W, Guo G, Song W, Kong Y, Wang Q, Wang S, Shi F. Lipoproteins and metabolites in diagnosing and predicting Alzheimer's disease using machine learning. Lipids Health Dis 2024; 23:152. [PMID: 38773573 PMCID: PMC11107010 DOI: 10.1186/s12944-024-02141-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 05/09/2024] [Indexed: 05/24/2024] Open
Abstract
BACKGROUND Alzheimer's disease (AD) is a chronic neurodegenerative disorder that poses a substantial economic burden. The Random forest algorithm is effective in predicting AD; however, the key factors influencing AD onset remain unclear. This study aimed to analyze the key lipoprotein and metabolite factors influencing AD onset using machine-learning methods. It provides new insights for researchers and medical personnel to understand AD and provides a reference for the early diagnosis, treatment, and early prevention of AD. METHODS A total of 603 participants, including controls and patients with AD with complete lipoprotein and metabolite data from the Alzheimer's disease Neuroimaging Initiative (ADNI) database between 2005 and 2016, were enrolled. Random forest, Lasso regression, and CatBoost algorithms were employed to rank and filter 213 lipoprotein and metabolite variables. Variables with consistently high importance rankings from any two methods were incorporated into the models. Finally, the variables selected from the three methods, with the participants' age, sex, and marital status, were used to construct a random forest predictive model. RESULTS Fourteen lipoprotein and metabolite variables were screened using the three methods, and 17 variables were included in the AD prediction model based on age, sex, and marital status of the participants. The optimal random forest modeling was constructed with "mtry" set to 3 and "ntree" set to 300. The model exhibited an accuracy of 71.01%, a sensitivity of 79.59%, a specificity of 65.28%, and an AUC (95%CI) of 0.724 (0.645-0.804). When Mean Decrease Accuracy and Gini were used to rank the proteins, age, phospholipids to total lipids ratio in intermediate-density lipoproteins (IDL_PL_PCT), and creatinine were among the top five variables. CONCLUSIONS Age, IDL_PL_PCT, and creatinine levels play crucial roles in AD onset. Regular monitoring of lipoproteins and their metabolites in older individuals is significant for early AD diagnosis and prevention.
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Affiliation(s)
- Fenglin Wang
- Department of Health Statistics, School of Public Health, Shandong Second Medical University, Weifang, Shandong, 261053, China
| | - Aimin Wang
- Department of Health Statistics, School of Public Health, Shandong Second Medical University, Weifang, Shandong, 261053, China
| | - Yiming Huang
- Department of Health Statistics, School of Public Health, Shandong Second Medical University, Weifang, Shandong, 261053, China
| | - Wenfeng Gao
- Department of Rheumatology and Immunology, Affiliated Hospital of Shandong Second Medical University, Weifang, Shandong, 261031, China
| | - Yaqi Xu
- Department of Health Statistics, School of Public Health, Shandong Second Medical University, Weifang, Shandong, 261053, China
| | - Wenjing Zhang
- Department of Health Statistics, School of Public Health, Shandong Second Medical University, Weifang, Shandong, 261053, China
| | - Guiya Guo
- Department of Health Statistics, School of Public Health, Shandong Second Medical University, Weifang, Shandong, 261053, China
| | - Wangchen Song
- Department of Health Statistics, School of Public Health, Shandong Second Medical University, Weifang, Shandong, 261053, China
| | - Yujia Kong
- Department of Health Statistics, School of Public Health, Shandong Second Medical University, Weifang, Shandong, 261053, China
| | - Qinghua Wang
- Department of Health Statistics, School of Public Health, Shandong Second Medical University, Weifang, Shandong, 261053, China
| | - Suzhen Wang
- Department of Health Statistics, School of Public Health, Shandong Second Medical University, Weifang, Shandong, 261053, China.
| | - Fuyan Shi
- Department of Health Statistics, School of Public Health, Shandong Second Medical University, Weifang, Shandong, 261053, China.
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Chen Y, Li Y, Wu M, Li Z. Electroacupuncture improves cognitive function in APP/PS1 mice by inhibiting oxidative stress related hippocampal neuronal ferroptosis. Brain Res 2024; 1831:148744. [PMID: 38163562 DOI: 10.1016/j.brainres.2023.148744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/03/2023] [Accepted: 12/29/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND Electroacupuncture, recognized as a crucial non-pharmacological therapeutic approach, has demonstrated notable efficacy in enhancing cognitive function among Alzheimer's disease (AD) patients. This study aimed to investigate the neuroprotective properties of electroacupuncture in APP/PS1 mice with AD. METHODS A total of thirty APP/PS1 mice were randomly assigned to three groups: the Alzheimer's disease group (AD), the electroacupuncture treatment group (EA), and the ferroptosis inhibitor deferasirox treatment group (DFX). Additionally, ten C57BL/6 mice were included as a control group (Control). In the EA group, mice underwent flat needling at Baihui and Yintang, as well as point needling at Renzhong, once daily for 15 min each time. In the DFX group, mice received intraperitoneal injections of deferasirox at a dosage of 100 mg/kg/day. Following the 28-day treatment period, behavioral evaluation, morphological observation of neurons, and detection of neuronal ferroptosis were conducted. RESULTS The electroacupuncture treatment demonstrated a significant improvement in spatial learning, memory ability, and neuronal damage in mice with AD. Analysis of neuronal ferroptosis markers indicated that electroacupuncture interventions reduced the elevated levels of malondialdehyde, iron, and ptgs2 expression, while also increasing superoxide dismutase activity, Ferroportin 1 and glutathione peroxidase 4 expression. Moreover, the regulatory impact of electroacupuncture on ferroptosis may be attributed to its ability to enhance the expression and nuclear translocation of Nrf2. CONCLUSIONS This study suggested that electroacupuncture could inhibit the neuronal ferroptosis by activating the antioxidant function in neurons through p62/Keap1/Nrf2 signal pathway, thereby improve the cognitive function of AD mice by the neuronal protection effect.
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Affiliation(s)
- Yu Chen
- School of Acupuncture, Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Yitong Li
- School of Acupuncture, Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Meng Wu
- School of Acupuncture, Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China
| | - Zhigang Li
- School of Acupuncture, Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing, China.
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28
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Shao Z, Lu Y, Xing A, He X, Xie H, Hu M. Effect of outer membrane vesicles of Lactobacillus pentosus on Tau phosphorylation and CDK5-Calpain pathway in mice. Exp Gerontol 2024; 189:112400. [PMID: 38484904 DOI: 10.1016/j.exger.2024.112400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/16/2024] [Accepted: 03/11/2024] [Indexed: 03/18/2024]
Abstract
Alzheimer's disease (AD) stands as a neurodegenerative disorder causing cognitive decline, posing a significant health concern for the elderly population in China. This study explored the effects of outer membrane vesicles (OMVs) from the gut microbiota of AD patients on learning and memory abilities and Tau protein phosphorylation in mice. In contrast to the OMVs from healthy controls and the PBS treatment group, mice treated with AD-OMVs exhibited notable declines in learning and memory capabilities, as evidenced by results from the Morris water maze, Y-maze, and novel object recognition tests. Immunohistochemistry and Western blot assessments unveiled elevated levels of hyperphosphorylated Tau in the cortex and hippocampus of mice treated with AD-OMVs. However, there were no alterations observed in the total Tau levels. In addition, AD-OMVs treated mice showed increased neuroinflammation indicated by elevated astrocytes and microglia. Molecular mechanism studies demonstrated that AD-OMVs could activate GSK3β, CDK5-Calpain and NF-κB pathways in mice hippocampus. These studies suggest AD patient gut microbiota derived OMVs can promote host Tau phosphorylation and improved neuroinflammation.
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Affiliation(s)
- Zhongying Shao
- Department of liver diseases, Tai'an Traditional Chinese Medicine Hospital, Tai'an City, Shandong Province, China
| | - Yanjun Lu
- Department of liver diseases, Tai'an Traditional Chinese Medicine Hospital, Tai'an City, Shandong Province, China
| | - Aihong Xing
- TCM Prevent&Health Care Dept Tai'an Traditional Chinese Medicine Hospital, Tai'an City, Shandong Province, China
| | - Xiying He
- Department of Neurology, The Second Affiliated Hospital of Shandong First Medical University, Tai'an City, Shandong Province, China
| | - Hongyan Xie
- Department of Neurology, The Second Affiliated Hospital of Shandong First Medical University, Tai'an City, Shandong Province, China
| | - Ming Hu
- Department of Neurology, The Second Affiliated Hospital of Shandong First Medical University, Tai'an City, Shandong Province, China.
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29
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Su W, Wang Y, Shao S, Ye X. Crocin ameliorates neuroinflammation and cognitive impairment in mice with Alzheimer's disease by activating PI3K/AKT pathway. Brain Behav 2024; 14:e3503. [PMID: 38775292 PMCID: PMC11110482 DOI: 10.1002/brb3.3503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 03/27/2024] [Accepted: 04/06/2024] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND Crocin has a good prospect in the treatment of Alzheimer's disease (AD), but the mechanisms underlying its neuroprotective effects remain elusive. This study aimed to investigate the neuroprotective effects of Crocin and its underlying mechanisms in AD. METHODS AD mice were set up by injecting Aβ25-35 solution into the hippocampus. Then, the AD mice were injected intraperitoneally with 40 mg/kg/day of Crocin for 14 days. Following the completion of Crocin treatment, an open-field test, Y-maze test and Morris water maze test were conducted to evaluate the impact of Crocin on spatial learning and memory deficiency in mice. The effects of Crocin on hippocampal neuron injury, proinflammatory cytokine expressions (IL-1β, IL-6, and TNF-α), and PI3K/AKT signaling-related protein expressions were measured using hematoxylin and eosin staining, Western blot, and quantitative real-time polymerase chain reaction (qRT-PCR) experiments, respectively. RESULTS Crocin attenuated Aβ25-35-induced spatial learning and memory deficiency and hippocampal neuron injury. Furthermore, the Western blot and qRT-PCR results showed that Crocin effectively suppressed inflammation and activated the PI3K/AKT pathway in Aβ25-35-induced mice. CONCLUSION Crocin restrained neuroinflammation via the activation of the PI3K/AKT pathway, thereby ameliorating the cognitive dysfunction of AD mice.
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Affiliation(s)
- Wenwen Su
- Department of Internal MedicineCiXi Seventh People's HospitalNingboZhejiangChina
| | - Yanbo Wang
- Department of NeurologyThe Third Affiliated Hospital of Zhejiang Chinese Medicine UniversityHangzhouZhejiangChina
| | - Sen Shao
- Department of NeurologyThe Xixi Hospital of Hangzhou Affiliated to Zhejiang University School of MedicineHangzhouZhejiangChina
| | - Xiaojun Ye
- Department of NeurologyThe Affiliated Hospital of Hangzhou Normal UniversityHangzhouZhejiangChina
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Zhang TC, Lin YC, Sun NN, Liu S, Hu WZ, Zhao Y, Dong XH, He XP. Icariin, astragaloside a and puerarin mixture attenuates cognitive impairment in APP/PS1 mice via inhibition of ferroptosis-lipid peroxidation. Neurochem Int 2024; 175:105705. [PMID: 38412923 DOI: 10.1016/j.neuint.2024.105705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 02/18/2024] [Accepted: 02/23/2024] [Indexed: 02/29/2024]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease that seriously threatens the quality of life of the elderly. Its pathogenesis has not yet been fully elucidated. Ferroptosis, a cell death caused by excessive accumulation of iron-dependent lipid peroxides, has been implicated in the pathogenesis of AD. Uncontrolled lipid peroxidation is the core process of ferroptosis, and inhibiting lipid peroxidation of ferroptosis may be an important therapeutic target for AD. Based on previous studies, we mixed standards of icariin, astragaloside IV, and puerarin, named the standard mixture YHG, and investigated the effect of YHG on ferroptosis -lipid peroxidation in APP/PS1 mice. DFX, a ferroptosis inhibitor, was used as a control drug. In this study, APP/PS1 mice were used as an AD animal model, and behavioral experiments, iron level detection, Transmission electron microscopy (TEM) observation, lipid peroxidation level detection, antioxidant capacity detection, immunofluorescence, Western blot and real-time qPCR were performed. It was found that YHG could reduce body weight, significantly improve abnormal behaviors and the ultrastructure of hippocampal neurons in APP/PS1 mice. The results of biochemical tests showed that YHG reduced the contents of iron, malondialdehyde (MDA) and lipid peroxide (LPO) in brain tissue and serum, and increased the levels of superoxide dismutase (SOD) and reduced glutathione (GSH). Immunofluorescence, WesternBlot and real-time qPCR results showed that YHG could promote the expression of solute carrier family 7 member 11 (SLC7A11), solute carrier family 3 member 2 (SLC3A2) and glutathione peroxidase 4(GPX4). Inhibited the expression of long-chain acyllipid coenzyme a synthetase 4(ACSL4) and lysophosphatidyltransferase 3 (LPCAT3). This study suggests that the mechanism by which YHG improves cognitive dysfunction in APP/PS1 mice may be related to the inhibition of ferroptosis-lipid peroxidation.
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Affiliation(s)
- Tian-Ci Zhang
- Hebei University of Chinese Medicine, Hebei Key Laboratory of Chinese Medicine Research On Cardio-cerebrovasc, Hebei, Shijiazhuang, 050091, China
| | - Yi-Can Lin
- Hebei University of Chinese Medicine, Hebei Key Laboratory of Chinese Medicine Research On Cardio-cerebrovasc, Hebei, Shijiazhuang, 050091, China
| | - Ning-Ning Sun
- Hebei University of Chinese Medicine, Hebei Key Laboratory of Chinese Medicine Research On Cardio-cerebrovasc, Hebei, Shijiazhuang, 050091, China
| | - Shan Liu
- Hebei University of Chinese Medicine, Hebei Key Laboratory of Chinese Medicine Research On Cardio-cerebrovasc, Hebei, Shijiazhuang, 050091, China
| | - Wen-Zhu Hu
- Hebei University of Chinese Medicine, Hebei Key Laboratory of Chinese Medicine Research On Cardio-cerebrovasc, Hebei, Shijiazhuang, 050091, China
| | - Yan Zhao
- Hebei University of Chinese Medicine, Hebei Key Laboratory of Chinese Medicine Research On Cardio-cerebrovasc, Hebei, Shijiazhuang, 050091, China
| | - Xian-Hui Dong
- Hebei University of Chinese Medicine, Hebei Key Laboratory of Chinese Medicine Research On Cardio-cerebrovasc, Hebei, Shijiazhuang, 050091, China.
| | - Xiao-Ping He
- Hebei University of Chinese Medicine, Hebei Key Laboratory of Chinese Medicine Research On Cardio-cerebrovasc, Hebei, Shijiazhuang, 050091, China.
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Tyczyńska M, Gędek M, Brachet A, Stręk W, Flieger J, Teresiński G, Baj J. Trace Elements in Alzheimer's Disease and Dementia: The Current State of Knowledge. J Clin Med 2024; 13:2381. [PMID: 38673657 PMCID: PMC11050856 DOI: 10.3390/jcm13082381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 04/06/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
Changes in trace element concentrations are being wildly considered when it comes to neurodegenerative disorders, such as Alzheimer's disease and Parkinson's disease. This study aims to present the role that trace elements play in the central nervous system. Moreover, we reviewed the mechanisms involved in their neurotoxicity. Low zinc concentrations, as well as high levels of copper, manganese, and iron, activate the signalling pathways of the inflammatory, oxidative and nitrosative stress response. Neurodegeneration occurs due to the association between metals and proteins, which is then followed by aggregate formation, mitochondrial disorder, and, ultimately, cell death. In Alzheimer's disease, low Zn levels suppress the neurotoxicity induced by β-amyloid through the selective precipitation of aggregation intermediates. High concentrations of copper, iron and manganese cause the aggregation of intracellular α-synuclein, which results in synaptic dysfunction and axonal transport disruption. Parkinson's disease is caused by the accumulation of Fe in the midbrain dopaminergic nucleus, and the pathogenesis of multiple sclerosis derives from Zn deficiency, leading to an imbalance between T cell functions. Aluminium disturbs the homeostasis of other metals through a rise in the production of oxygen reactive forms, which then leads to cellular death. Selenium, in association with iron, plays a distinct role in the process of ferroptosis. Outlining the influence that metals have on oxidoreduction processes is crucial to recognising the pathophysiology of neurodegenerative diseases and may provide possible new methods for both their avoidance and therapy.
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Affiliation(s)
- Magdalena Tyczyńska
- Department of Correct, Clinical and Imaging Anatomy, Medical University of Lublin, ul. Jaczewskiego 4, 20-090 Lublin, Poland; (M.T.); (W.S.)
| | - Marta Gędek
- Department of Forensic Medicine, Medical University of Lublin, ul. Jaczewskiego 8b, 20-090 Lublin, Poland; (M.G.); (A.B.); (G.T.)
| | - Adam Brachet
- Department of Forensic Medicine, Medical University of Lublin, ul. Jaczewskiego 8b, 20-090 Lublin, Poland; (M.G.); (A.B.); (G.T.)
| | - Wojciech Stręk
- Department of Correct, Clinical and Imaging Anatomy, Medical University of Lublin, ul. Jaczewskiego 4, 20-090 Lublin, Poland; (M.T.); (W.S.)
| | - Jolanta Flieger
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4A, 20-093 Lublin, Poland;
| | - Grzegorz Teresiński
- Department of Forensic Medicine, Medical University of Lublin, ul. Jaczewskiego 8b, 20-090 Lublin, Poland; (M.G.); (A.B.); (G.T.)
| | - Jacek Baj
- Department of Correct, Clinical and Imaging Anatomy, Medical University of Lublin, ul. Jaczewskiego 4, 20-090 Lublin, Poland; (M.T.); (W.S.)
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Liang GQ, Mu W, Jiang CB. Baicalein improves renal interstitial fibrosis by inhibiting the ferroptosis in vivo and in vitro. Heliyon 2024; 10:e28954. [PMID: 38601597 PMCID: PMC11004807 DOI: 10.1016/j.heliyon.2024.e28954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 03/19/2024] [Accepted: 03/27/2024] [Indexed: 04/12/2024] Open
Abstract
Evidence indicates that Baicalein can ameliorate renal interstitial fibrosis by inducing myofibroblast apoptosis and inhibit the RLS3-induced ferroptosis in melanocytes. However, the relationship between renal interstitial fibrosis and anti-ferroptosis affected by Baicalein remains unclear. In our study, the anti-fibrosis and anti-ferroptosis effects of Baicalein were assessed in a rat model induced by the UUO method in vivo, and the effects of Baicalein on Erastin-induced ferroptosis of renal MPC-5 cells were examined by Western blot of fibrosis-related and ferroptosis-related proteins in vitro. In the UUO-induced rat model, Baicalein decreased kidney weight loss, improved renal function assessed the biomarks of urinary albumin excretion, serum creatine, and BUN levels, and reduced renal tubular injury. Furthermore, Baicalein inhibited renal ferroptosis by reducing ROS and MDA levels and increasing SOD and GSH levels in the UUO rat model. In addition, Baicalein potently reduced the expression of fibrosis-related proteins such as TGF-β1, a-SMA, and Smad-2 to prevent renal interstitial fibrosis, and increased the expression of ferroptosis-related proteins such as SLC7A11, GPX4, and FTH to inhibit ferroptosis both in vitro and in vivo. Taken together, Baicalein exerts anti-fibrosis activity by reducing the ferroptosis response on the UUO-induced rat model and renal MPC5 cells. Therefore, Baicalein, as a novel therapeutic method on kidney diseases with strong activity in suppressing ferroptosis, could be a potential alternative treatment for renal interstitial fibrosis.
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Affiliation(s)
- Guo-qiang Liang
- Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
- Suzhou Academy of Wumen Chinese Medicine, Suzhou, China
| | - Wei Mu
- Department of Pharmacy and Clinical Pharmacy, Precision Medicine Center, 904th Hospital of PLA, Wuxi, China
| | - Chun-bo Jiang
- Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
- Department of Nephrology, Suzhou Hospital of Traditional Chinese Medicine, Suzhou, China
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Moksnes MR, Hansen AF, Wolford BN, Thomas LF, Rasheed H, Simić A, Bhatta L, Brantsæter AL, Surakka I, Zhou W, Magnus P, Njølstad PR, Andreassen OA, Syversen T, Zheng J, Fritsche LG, Evans DM, Warrington NM, Nøst TH, Åsvold BO, Flaten TP, Willer CJ, Hveem K, Brumpton BM. A genome-wide association study provides insights into the genetic etiology of 57 essential and non-essential trace elements in humans. Commun Biol 2024; 7:432. [PMID: 38594418 PMCID: PMC11004147 DOI: 10.1038/s42003-024-06101-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 03/22/2024] [Indexed: 04/11/2024] Open
Abstract
Trace elements are important for human health but may exert toxic or adverse effects. Mechanisms of uptake, distribution, metabolism, and excretion are partly under genetic control but have not yet been extensively mapped. Here we report a comprehensive multi-element genome-wide association study of 57 essential and non-essential trace elements. We perform genome-wide association meta-analyses of 14 trace elements in up to 6564 Scandinavian whole blood samples, and genome-wide association studies of 43 trace elements in up to 2819 samples measured only in the Trøndelag Health Study (HUNT). We identify 11 novel genetic loci associated with blood concentrations of arsenic, cadmium, manganese, selenium, and zinc in genome-wide association meta-analyses. In HUNT, several genome-wide significant loci are also indicated for other trace elements. Using two-sample Mendelian randomization, we find several indications of weak to moderate effects on health outcomes, the most precise being a weak harmful effect of increased zinc on prostate cancer. However, independent validation is needed. Our current understanding of trace element-associated genetic variants may help establish consequences of trace elements on human health.
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Affiliation(s)
- Marta R Moksnes
- HUNT Center for Molecular and Clinical Epidemiology, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Trondheim, Norway.
| | - Ailin F Hansen
- HUNT Center for Molecular and Clinical Epidemiology, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
| | - Brooke N Wolford
- HUNT Center for Molecular and Clinical Epidemiology, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
| | - Laurent F Thomas
- HUNT Center for Molecular and Clinical Epidemiology, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- Department of Clinical and Molecular Medicine, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- BioCore-Bioinformatics Core Facility, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- Clinic of Laboratory Medicine, St. Olav's Hospital, Trondheim University Hospital, Trondheim, Norway
| | - Humaira Rasheed
- HUNT Center for Molecular and Clinical Epidemiology, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- MRC Integrative Epidemiology Unit, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- Division of Medicine and Laboratory Sciences, University of Oslo, Oslo, Norway
| | - Anica Simić
- Department of Chemistry, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
| | - Laxmi Bhatta
- HUNT Center for Molecular and Clinical Epidemiology, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
| | - Anne Lise Brantsæter
- Department of Food Safety, Division of Climate and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Ida Surakka
- Department of Internal Medicine, Division of Cardiology, University of Michigan, Ann Arbor, MI, USA
| | - Wei Zhou
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
- Analytic and Translational Genetics Unit, Massachusetts General Hospital, Boston, MA, USA
- Program in Medical and Population Genetics, Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | - Per Magnus
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Pål R Njølstad
- Mohn Center for Diabetes Precision Medicine, Department of Clinical Science, University of Bergen, Bergen, Norway
- Children and Youth Clinic, Haukeland University Hospital, Bergen, Norway
| | - Ole A Andreassen
- NORMENT Centre, University of Oslo, Oslo, Norway
- Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
| | - Tore Syversen
- Department of Neuroscience, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
| | - Jie Zheng
- Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai National Clinical Research Center for Metabolic Diseases, Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of the PR China, Shanghai Key Laboratory for Endocrine Tumor, Shanghai Digital Medicine Innovation Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- MRC Integrative Epidemiology Unit (IEU), Bristol Medical School, University of Bristol, Bristol, UK
| | - Lars G Fritsche
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA
- Center for Statistical Genetics, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - David M Evans
- Institute for Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
- Frazer Institute, The University of Queensland, Woolloongabba, QLD, Australia
- MRC Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK
| | - Nicole M Warrington
- HUNT Center for Molecular and Clinical Epidemiology, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- Institute for Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
- Frazer Institute, The University of Queensland, Woolloongabba, QLD, Australia
- MRC Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK
| | - Therese H Nøst
- HUNT Center for Molecular and Clinical Epidemiology, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway
| | - Bjørn Olav Åsvold
- HUNT Center for Molecular and Clinical Epidemiology, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- HUNT Research Centre, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Levanger, Norway
- Department of Endocrinology, Clinic of Medicine, St. Olav's Hospital, Trondheim University Hospital, Trondheim, Norway
| | - Trond Peder Flaten
- Department of Chemistry, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
| | - Cristen J Willer
- HUNT Center for Molecular and Clinical Epidemiology, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
- Division of Cardiovascular Medicine, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
- Department of Human Genetics, University of Michigan, Ann Arbor, MI, USA
| | - Kristian Hveem
- HUNT Center for Molecular and Clinical Epidemiology, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Trondheim, Norway
- HUNT Research Centre, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Levanger, Norway
| | - Ben M Brumpton
- HUNT Center for Molecular and Clinical Epidemiology, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Trondheim, Norway.
- HUNT Research Centre, Department of Public Health and Nursing, NTNU-Norwegian University of Science and Technology, Levanger, Norway.
- Clinic of Medicine, St. Olav's Hospital, Trondheim University Hospital, Trondheim, Norway.
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Yang R, Kong W, Liu K, Wen G, Yu Y. Exploring Imaging Genetic Markers of Alzheimer's Disease Based on a Novel Nonlinear Correlation Analysis Algorithm. J Mol Neurosci 2024; 74:35. [PMID: 38568443 DOI: 10.1007/s12031-024-02190-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 01/16/2024] [Indexed: 04/05/2024]
Abstract
Alzheimer's disease (AD) is an irreversible neurological disorder characterized by insidious onset. Identifying potential markers in its emergence and progression is crucial for early diagnosis and treatment. Imaging genetics typically merges genetic variables with multiple imaging parameters, employing various association analysis algorithms to investigate the links between pathological phenotypes and genetic variations, and to unearth molecular-level insights from brain images. However, most existing imaging genetics algorithms based on sparse learning assume a linear relationship between genetic factors and brain functions, limiting their ability to discern complex nonlinear correlation patterns and resulting in reduced accuracy. To address these issues, we propose a novel nonlinear imaging genetic association analysis method, Deep Self-Reconstruction-based Adaptive Sparse Multi-view Deep Generalized Canonical Correlation Analysis (DSR-AdaSMDGCCA). This approach facilitates joint learning of the nonlinear relationships between pathological phenotypes and genetic variations by integrating three different types of data: structural magnetic resonance imaging (sMRI), single-nucleotide polymorphism (SNP), and gene expression data. By incorporating nonlinear transformations in DGCCA, our model effectively uncovers nonlinear associations across multiple data types. Additionally, the DSR algorithm clusters samples with identical labels, incorporating label information into the nonlinear feature extraction process and thus enhancing the performance of association analysis. The application of the DSR-AdaSMDGCCA algorithm on real data sets identified several AD risk regions (such as the hippocampus, parahippocampus, and fusiform gyrus) and risk genes (including VSIG4, NEDD4L, and PINK1), achieving maximum classification accuracy with the fewest selected features compared to baseline algorithms. Molecular biology enrichment analysis revealed that the pathways enriched by these top genes are intimately linked to AD progression, affirming that our algorithm not only improves correlation analysis performance but also identifies biologically significant markers.
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Affiliation(s)
- Renbo Yang
- College of Information Engineering, Shanghai Maritime University, 1550 Haigang Ave, Shanghai, 201306, People's Republic of China
| | - Wei Kong
- College of Information Engineering, Shanghai Maritime University, 1550 Haigang Ave, Shanghai, 201306, People's Republic of China.
| | - Kun Liu
- College of Information Engineering, Shanghai Maritime University, 1550 Haigang Ave, Shanghai, 201306, People's Republic of China
| | - Gen Wen
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Yaling Yu
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
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Zhai X, Yan W, Liu S, Tian L, Zhang Y, Zhao Y, Ni Y, Shen H, Wang J, Wan Z, Jiang F, Xin L. Silver nanoparticles induce iron accumulation-associated cognitive impairment via modulating neuronal ferroptosis. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 346:123555. [PMID: 38369090 DOI: 10.1016/j.envpol.2024.123555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 01/30/2024] [Accepted: 02/10/2024] [Indexed: 02/20/2024]
Abstract
Silver nanoparticles (AgNPs) are widely used in daily life and medical fields owing to their unique physicochemical properties. Daily exposure to AgNPs has become a great concern regarding their potential toxicity to human beings, especially to the central nervous system. Ferroptosis, a newly recognized programmed cell death, was recently reported to be associated with the neurodegenerative process. However, whether and how ferroptosis contributes to AgNPs-induced neurotoxicity remain unclear. In this study, we investigated the role of ferroptosis in neurotoxic effects induced by AgNPs using in vitro and in vivo models. Our results showed that AgNPs induced a notable dose-dependent cytotoxic effect on HT-22 cells and cognitive impairment in mice as indicated by a decline in learning and memory and brain tissue injuries. These findings were accompanied by iron overload caused by the disruption of the iron transport system and activation of NCOA4-mediated autophagic degradation of ferritin. The excessive free iron subsequently induced GSH depletion, loss of GPX and SOD activities, differential expression of Nrf2 signaling pathway elements, down-regulation of GPX4 protein and production of lipid peroxides, initiating ferroptosis cascades. The mitigating effects of ferrostatin-1 and deferoxamine on iron overload, redox imbalance, neuronal cell death, impairment of mice learning and memory, Aβ deposition and synaptic plasticity reduction suggested ferroptosis as a potential molecular mechanism in AgNPs-induced neurotoxicity. Taken together, these results demonstrated that AgNPs induced neuronal cell death and cognitive impairment with Aβ deposition and reduction of synaptic plasticity, which were mediated by ferroptosis caused by iron-mediated lipid peroxidation. Our study provides new insights into the underlying mechanisms of AgNPs-induced neurotoxicity and predicts potential preventive strategies.
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Affiliation(s)
- Xuedi Zhai
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China; Yancheng Center for Disease Prevention and Control, 198 Open Avenue, Yancheng, Jiangsu, China
| | - Weici Yan
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China
| | - Shuhui Liu
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China
| | - Liang Tian
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China
| | - Yidan Zhang
- Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China
| | - Yiwei Zhao
- Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China
| | - Yebo Ni
- Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China
| | - Han Shen
- Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China
| | - Jianshu Wang
- Suzhou Center for Disease Prevention and Control, 72 Sanxiang Road, Suzhou, Jiangsu, China
| | - Zhongxiao Wan
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China
| | - Fei Jiang
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China
| | - Lili Xin
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China; School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology, Suzhou Medical College of Soochow University, Suzhou, 215123, Jiangsu, China.
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36
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Jiao LL, Dong HL, Liu MM, Wu PL, Cao Y, Zhang Y, Gao FG, Zhu HY. The potential roles of salivary biomarkers in neurodegenerative diseases. Neurobiol Dis 2024; 193:106442. [PMID: 38382884 DOI: 10.1016/j.nbd.2024.106442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/01/2024] [Accepted: 02/18/2024] [Indexed: 02/23/2024] Open
Abstract
Current research efforts on neurodegenerative diseases are focused on identifying novel and reliable biomarkers for early diagnosis and insight into disease progression. Salivary analysis is gaining increasing interest as a promising source of biomarkers and matrices for measuring neurodegenerative diseases. Saliva collection offers multiple advantages over the currently detected biofluids as it is easily accessible, non-invasive, and repeatable, allowing early diagnosis and timely treatment of the diseases. Here, we review the existing findings on salivary biomarkers and address the potential value in diagnosing neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease, Huntington's disease and Amyotrophic lateral sclerosis. Based on the available research, β-amyloid, tau protein, α-synuclein, DJ-1, Huntington protein in saliva profiles display reliability and validity as the biomarkers of neurodegenerative diseases.
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Affiliation(s)
- Ling-Ling Jiao
- China Tobacco Jiangsu Industrial Co Ltd, Nanjing 210019, China; School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Hui-Lin Dong
- China Tobacco Jiangsu Industrial Co Ltd, Nanjing 210019, China
| | - Meng-Meng Liu
- China Tobacco Jiangsu Industrial Co Ltd, Nanjing 210019, China
| | - Peng-Lin Wu
- China Tobacco Jiangsu Industrial Co Ltd, Nanjing 210019, China
| | - Yi Cao
- China Tobacco Jiangsu Industrial Co Ltd, Nanjing 210019, China
| | - Yuan Zhang
- China Tobacco Jiangsu Industrial Co Ltd, Nanjing 210019, China
| | - Fu-Gao Gao
- Xuzhou Cigarette Factory, China Tobacco Jiangsu Industrial Co Ltd, Xuzhou 221005, China.
| | - Huai-Yuan Zhu
- China Tobacco Jiangsu Industrial Co Ltd, Nanjing 210019, China; School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China.
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Chen L, Zou L, Chen J, Wang Y, Liu D, Yin L, Chen J, Li H. Association between cognitive function and body composition in older adults: data from NHANES (1999-2002). Front Aging Neurosci 2024; 16:1372583. [PMID: 38572154 PMCID: PMC10987762 DOI: 10.3389/fnagi.2024.1372583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 03/06/2024] [Indexed: 04/05/2024] Open
Abstract
Aim To investigate the association between cognitive function and body composition in older adults. Methods We collected data on 2080 older adults (>60 years of age) from the National Health and Nutrition Examination Survey (NHANES) for the years 1999-2000 and 2001-2002. Candidate variables included: demographic data (sex, age, race, education level, marital status, poverty-to-income ratio), alcohol consumption, cardiovascular disease, diabetes, osteoporosis, total bone mineral density, and total fat mass. A logistic regression model was established to analyze the association between cognitive function and body composition in older adults. In addition, stratified logics regression analysis was performed by sex and age. Results Bone mineral density significantly affects cognitive function in older adults (p<0.01). When examining the data according to sex, this correlation is present for women (p < 0.01). For men, though, it is not significant (p = 0.081). Stratified by age, total bone mineral density was significantly correlated with cognitive function in 60-70 and 70-80 years old people, but not in older adults older than 80 years(for 60-70 years old, p = 0.019; for 70-80 years old, p = 0.022). There was no significant correlation between total bone mineral density and cognitive function (p = 0.575). Conclusion The decrease of total bone mineral density was significantly correlated with cognitive decline in the older adults, especially among women and older people in the 60 to 80 age group. There was no connection between total fat mass, total percent fat, total lean mass, appendicular lean mass, appendicular lean mass /BMI and cognitive function in the older adults.
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Affiliation(s)
- Lianghua Chen
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province, China
| | - Liling Zou
- Department of Rehabilitation Medicine, The Sixth People’s Hospital of Nanhai District, Foshan, Guangdong Province, China
| | - Jingwen Chen
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province, China
| | - Yixiao Wang
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province, China
| | - Dandan Liu
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province, China
| | - Lianjun Yin
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province, China
| | - Junqi Chen
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province, China
| | - Haihong Li
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province, China
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38
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Bui HB, Inaba K. Structures, Mechanisms, and Physiological Functions of Zinc Transporters in Different Biological Kingdoms. Int J Mol Sci 2024; 25:3045. [PMID: 38474291 DOI: 10.3390/ijms25053045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 02/29/2024] [Accepted: 03/03/2024] [Indexed: 03/14/2024] Open
Abstract
Zinc transporters take up/release zinc ions (Zn2+) across biological membranes and maintain intracellular and intra-organellar Zn2+ homeostasis. Since this process requires a series of conformational changes in the transporters, detailed information about the structures of different reaction intermediates is required for a comprehensive understanding of their Zn2+ transport mechanisms. Recently, various Zn2+ transport systems have been identified in bacteria, yeasts, plants, and humans. Based on structural analyses of human ZnT7, human ZnT8, and bacterial YiiP, we propose updated models explaining their mechanisms of action to ensure efficient Zn2+ transport. We place particular focus on the mechanistic roles of the histidine-rich loop shared by several zinc transporters, which facilitates Zn2+ recruitment to the transmembrane Zn2+-binding site. This review provides an extensive overview of the structures, mechanisms, and physiological functions of zinc transporters in different biological kingdoms.
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Affiliation(s)
- Han Ba Bui
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
- Department of Molecular and Chemical Life Sciences, Graduate School of Life Sciences, Tohoku University, Sendai 980-8577, Japan
- Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Kenji Inaba
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
- Department of Molecular and Chemical Life Sciences, Graduate School of Life Sciences, Tohoku University, Sendai 980-8577, Japan
- Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
- Core Research for Evolutional Science and Technology (CREST), Japan Agency for Medical Research and Development (AMED), Chiyoda-ku, Tokyo 100-0004, Japan
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Ouyang N, Yang C, Li X, Zheng Z, Xu Y, Wang Y, Xiong W, Wu H. Development of lactoferrin-coated multifunctional copolymer micelles to cross the blood-brain barrier. Drug Deliv Transl Res 2024; 14:773-787. [PMID: 37721695 DOI: 10.1007/s13346-023-01432-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/03/2023] [Indexed: 09/19/2023]
Abstract
The blood-brain barrier (BBB) prevents pathogens and toxins in the bloodstream from reaching the brain, but also inhibits the delivery of agents intended to treat central nervous system disorders, such as Alzheimer's disease (AD). In this study, we prepared and evaluated a novel nano-delivery vehicle system composed of lactoferrin-conjugated (Lf-PIC@Se) micelles. We used a COOH-PEG-PAsp-PV@Se synthesis-based method to prepare the micelles, which involved self-assembly followed by EDC-NHS coupling. Using glutaminyl cyclase inhibitor 8 as a model encapsulated chemical, Lf-PIC@Se micelles achieved a good loading capacity. In vitro analysis demonstrated that Lf-PIC@Se/8 micelles were stable in both neutral and acidic pH solutions in the presence or absence of H2O2, and confirmed their biosafety and compatibility in PC12 and bEND.3 cells. Notably, the cell uptake of Lf-PIC@Se/C6 micelles was much higher than that of PIC@Se micelles, and occurred through LfR-mediated endocytosis. The presence of Se meant that Lf-PIC@Se micelles acted as ROS scavengers in PC12 cells under H2O2-induced oxidative stress, which inhibited oxidative damage and increased mitochondrial membrane potential. Hemolysis assays further demonstrated that Lf-PIC@Se represent a biocompatible carrier. Finally, in vivo experiments in mice suggested that Lf-PIC@Se micelles successfully crossed the BBB, confirming their potential as vehicles for drug delivery when treating AD and other central nervous system disorders.
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Affiliation(s)
- Na Ouyang
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, 518055, Shenzhen, China
| | - Chunhua Yang
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, 518055, Shenzhen, China
| | - Xia Li
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, 518055, Shenzhen, China
| | - Zhenting Zheng
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, 518055, Shenzhen, China
| | - Yuanyuan Xu
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, 518055, Shenzhen, China
| | - Yinan Wang
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, 518055, Shenzhen, China
| | - Wei Xiong
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, 518055, Shenzhen, China.
| | - Haiqiang Wu
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, 518055, Shenzhen, China.
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40
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Song Y, Wu M, Wang C, Fang H, Lei X. Zn 2+ Binding Increases Parallel Structure in the Aβ(16-22) Oligomer by Disrupting Salt Bridge in Antiparallel Structure. J Phys Chem B 2024; 128:1385-1393. [PMID: 38294417 DOI: 10.1021/acs.jpcb.3c06925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
The aggregation of monomeric amyloid β protein (Aβ) into oligomers and amyloid plaque in the brain is associated with Alzheimer's disease. The hydrophobic central core Aβ16-22 has been widely studied due to its essential role in the fibrillization of full-length Aβ peptides. Compared to the homogeneous antiparallel structure of Aβ16-22 at the late stage, the early-stage prefibrillar aggregates contain varying proportions of different β structures. In this work, we studied the appearance probabilities of various self-assembly structures of Aβ16-22 and the effects of Zn2+ on these probabilities by replica exchange molecular dynamics simulations. It was found that at room temperature, Aβ16-22 can readily form assembled β-sheet structures in pure water, where a typical antiparallel arrangement dominates (24.8% of all sampled trimer structures). The addition of Zn2+ to the Aβ16-22 solution will dramatically decrease the appearance probability of antiparallel trimer structures to 12.5% by disrupting the formation of the Lys16-Glu22 salt bridge. Meanwhile, the probabilities of hybrid antiparallel/parallel structures increase. Our simulation results not only reveal the competition between antiparallel and parallel structures in the Aβ16-22 oligomers but also show that Zn2+ can affect the oligomer structures. The results also provide insights into the role of metal ions in the self-assembly of short peptides.
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Affiliation(s)
- Yongshun Song
- School of Physics, East China University of Science and Technology, Shanghai 200237, China
| | - Mengjiao Wu
- School of Physics, East China University of Science and Technology, Shanghai 200237, China
| | - Changying Wang
- School of Sciences, Changzhou Institute of Technology, Changzhou 213032, China
| | - Haiping Fang
- School of Physics, East China University of Science and Technology, Shanghai 200237, China
- Department of Physics, Zhejiang Normal University, Jinhua 321004, China
| | - Xiaoling Lei
- School of Physics, East China University of Science and Technology, Shanghai 200237, China
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Chen C, Qi J, Li Y, Li D, Wu L, Li R, Chen Q, Sun N. Applications of Raman spectroscopy in the diagnosis and monitoring of neurodegenerative diseases. Front Neurosci 2024; 18:1301107. [PMID: 38370434 PMCID: PMC10869569 DOI: 10.3389/fnins.2024.1301107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 01/17/2024] [Indexed: 02/20/2024] Open
Abstract
Raman scattering is an inelastic light scattering that occurs in a manner reflective of the molecular vibrations of molecular structures and chemical conditions in a given sample of interest. Energy changes in the scattered light can be assessed to determine the vibration mode and associated molecular and chemical conditions within the sample, providing a molecular fingerprint suitable for sample identification and characterization. Raman spectroscopy represents a particularly promising approach to the molecular analysis of many diseases owing to clinical advantages including its instantaneous nature and associated high degree of stability, as well as its ability to yield signal outputs corresponding to a single molecule type without any interference from other molecules as a result of its narrow peak width. This technology is thus ideally suited to the simultaneous assessment of multiple analytes. Neurodegenerative diseases represent an increasingly significant threat to global public health owing to progressive population aging, imposing a severe physical and social burden on affected patients who tend to develop cognitive and/or motor deficits beginning between the ages of 50 and 70. Owing to a relatively limited understanding of the etiological basis for these diseases, treatments are lacking for the most common neurodegenerative diseases, which include Alzheimer's disease, Parkinson's disease, Huntington's disease, and amyotrophic lateral sclerosis. The present review was formulated with the goal of briefly explaining the principle of Raman spectroscopy and discussing its potential applications in the diagnosis and evaluation of neurodegenerative diseases, with a particular emphasis on the research prospects of this novel technological platform.
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Affiliation(s)
- Chao Chen
- Central Laboratory, Liaocheng People’s Hospital and Liaocheng School of Clinical Medicine, Shandong First Medical University, Liaocheng, China
| | - Jinfeng Qi
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin Geriatrics Institute, Tianjin, China
| | - Ying Li
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin Geriatrics Institute, Tianjin, China
| | - Ding Li
- Department of Clinical Laboratory, Liaocheng People’s Hospital and Liaocheng School of Clinical Medicine, Shandong First Medical University, Liaocheng, China
| | - Lihong Wu
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin Geriatrics Institute, Tianjin, China
| | - Ruihua Li
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin Geriatrics Institute, Tianjin, China
| | - Qingfa Chen
- Institute of Tissue Engineering and Regenerative Medicine, Liaocheng People’s Hospital and Liaocheng School of Clinical Medicine, Shandong First Medical University, Liaocheng, China
- Research Center of Basic Medicine, Jinan Central Hospital, Jinan, China
| | - Ning Sun
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin Geriatrics Institute, Tianjin, China
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Yeerlan J, He B, Hu X, Zhang L. Global Research Trends and Hotspots for Ferroptosis, Necroptosis, and Pyroptosis in Alzheimer's Disease from the Past to 2023: A Combined Bibliometric Review. J Alzheimers Dis Rep 2024; 8:129-142. [PMID: 38312529 PMCID: PMC10836606 DOI: 10.3233/adr-230092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 12/19/2023] [Indexed: 02/06/2024] Open
Abstract
Background Alzheimer's disease (AD) is a genetically intricate neurodegenerative disorder. Studies on "Ferroptosis in AD", "Pyroptosis in AD", and "Necroptosis in AD" are becoming more prevalent and there is increasing evidence that they are closely related to AD. However, there has not yet been a thorough bibliometrics-based investigation on this subject. Objective This study uses a bibliometric approach to visualize and analyze the literature within the field of three distinct types of cell death in AD and explores the current research hotspots and prospective research directions. Methods We collected relevant articles from the Web of Science and used CiteSpace, VOS viewer, and Pajek to perform a visual analysis. Results A total of 123, 95, and 84 articles were published in "Ferroptosis in AD", "Pyroptosis in AD", and "Necroptosis in AD", respectively. Based on keywords analysis, we can observe that "oxidative stress" and "lipid peroxidation", "cell death" and "activation", and "Nlrp3 inflammasome" and "activation" were the three most prominent words in the field of "Ferroptosis in AD", "Pyroptosis in AD", and "Necroptosis in AD", respectively. Focusing on the breakout words in the keyword analysis, we reviewed the mechanisms of ferroptosis, pyroptosis, and necroptosis in AD. By mapping the time zones of the keywords, we speculated on the evolutionary trends of ferroptosis, pyrotosis, and necroptosis in AD. Conclusions Our findings can help researchers grasp the research status of three types of cell death in AD and determine new directions for future research as soon as possible.
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Affiliation(s)
| | - Binhong He
- School of Clinical Medicine, Chengdu Medical College, Chengdu, China
| | - Xianliang Hu
- Chengdu Eighth People’s Hospital, Geriatric Hospital of Chengdu Medical College, Chengdu, China
| | - LuShun Zhang
- Department of Neurobiology, Department of Pathology and Pathophysiology, Development and Regeneration Key Laboratory of Sichuan Province, Chengdu Medical College, Chengdu, China
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Wang Y, Li Y, Qiu Y, Shen M, Wang L, Shao J, Zhang F, Xu X, Zhang Z, Guo M, Zheng S. Artesunate Induces Ferroptosis in Hepatic Stellate Cells and Alleviates Liver Fibrosis via the ROCK1/ATF3 Axis. J Clin Transl Hepatol 2024; 12:36-51. [PMID: 38250467 PMCID: PMC10794272 DOI: 10.14218/jcth.2023.00162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 07/07/2023] [Accepted: 07/19/2023] [Indexed: 01/23/2024] Open
Abstract
Background and Aims Development of fibrosis in chronic liver disease requires activation of hepatic stellate cells (HSCs) and leads to a poor outcome. Artesunate (Art) is an ester derivative of artemisinin that can induce ferroptosis in HSCs, and activated transcriptional factor 3 (ATF3) is an ATF/CREB transcription factor that is induced in response to stress. In this study, we examined the role of the Rho-associated protein kinase 1 (ROCK1)/ATF3 axis in Art-induced ferroptosis in HSCs. Methods HSC activation and ferroptosis were studied in vitro by western blotting, polymerase chain reaction, immunofluorescence, and other assays. ATF3 electrophoretic mobility and ROCK1 protein stability were assayed by western blotting. Immunoprecipitation was used to detect the interaction of ROCK1 and ATF3, as well as ATF3 phosphorylation. A ubiquitination assay was used to verify ROCK1 degradation. Atf3-interfering and Rock1-overexpressing mice were constructed to validate the anti-hepatic fibrosis activity of Art in vivo. Results Art induced ferroptosis in HSCs following glutathione-dependent antioxidant system inactivation resulting from nuclear accumulation of unphosphorylated ATF3 mediated by ROCK1-ubiquitination in vitro. Art also decreased carbon tetrachloride-induced liver fibrosis in mice, which was reversed by interfering with Atf3 or overexpressing Rock1. Conclusions The ROCK1/ATF3 axis was involved in liver fibrosis and regulation of ferroptosis, which provides an experimental basis for further study of Art for the treatment of liver fibrosis.
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Affiliation(s)
- Yingqian Wang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Yujia Li
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Yangling Qiu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Min Shen
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu, China
| | - Ling Wang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Jiangjuan Shao
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Feng Zhang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Jiangsu Key Laboratory of Therapeutic Material of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu China
| | - Xuefen Xu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Zili Zhang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Jiangsu Key Laboratory of Therapeutic Material of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu China
| | - Mei Guo
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Shizhong Zheng
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
- Jiangsu Key Laboratory of Therapeutic Material of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu China
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Pyka P, Haberek W, Więcek M, Szymanska E, Ali W, Cios A, Jastrzębska-Więsek M, Satała G, Podlewska S, Di Giacomo S, Di Sotto A, Garbo S, Karcz T, Lambona C, Marocco F, Latacz G, Sudoł-Tałaj S, Mordyl B, Głuch-Lutwin M, Siwek A, Czarnota-Łydka K, Gogola D, Olejarz-Maciej A, Wilczyńska-Zawal N, Honkisz-Orzechowska E, Starek M, Dąbrowska M, Kucwaj-Brysz K, Fioravanti R, Nasim MJ, Hittinger M, Partyka A, Wesołowska A, Battistelli C, Zwergel C, Handzlik J. First-in-Class Selenium-Containing Potent Serotonin Receptor 5-HT 6 Agents with a Beneficial Neuroprotective Profile against Alzheimer's Disease. J Med Chem 2024; 67:1580-1610. [PMID: 38190615 PMCID: PMC10823479 DOI: 10.1021/acs.jmedchem.3c02148] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/08/2023] [Accepted: 12/14/2023] [Indexed: 01/10/2024]
Abstract
Alzheimer's disease (AD) has a complex and not-fully-understood etiology. Recently, the serotonin receptor 5-HT6 emerged as a promising target for AD treatment; thus, here a new series of 5-HT6R ligands with a 1,3,5-triazine core and selenoether linkers was explored. Among them, the 2-naphthyl derivatives exhibited strong 5-HT6R affinity and selectivity over 5-HT1AR (13-15), 5-HT7R (14 and 15), and 5-HT2AR (13). Compound 15 displayed high selectivity for 5-HT6R over other central nervous system receptors and exhibited low risk of cardio-, hepato-, and nephrotoxicity and no mutagenicity, indicating its "drug-like" potential. Compound 15 also demonstrated neuroprotection against rotenone-induced neurotoxicity as well as antioxidant and glutathione peroxidase (GPx)-like activity and regulated antioxidant and pro-inflammatory genes and NRF2 nuclear translocation. In rats, 15 showed satisfying pharmacokinetics, penetrated the blood-brain barrier, reversed MK-801-induced memory impairment, and exhibited anxiolytic-like properties. 15's neuroprotective and procognitive-like effects, stronger than those of the approved drug donepezil, may pave the way for the use of selenotriazines to inhibit both causes and symptoms in AD therapy.
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Affiliation(s)
- Patryk Pyka
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
- Division
of Bioorganic Chemistry, School of Pharmacy, Saarland University, Campus B 2.1, D-66123 Saarbrücken, Germany
- Doctoral
School of Medical and Health Sciences, Jagiellonian
University Medical College, św. Łazarza 15, 31-530 Kraków, Poland
| | - Wawrzyniec Haberek
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
- Division
of Bioorganic Chemistry, School of Pharmacy, Saarland University, Campus B 2.1, D-66123 Saarbrücken, Germany
- Doctoral
School of Medical and Health Sciences, Jagiellonian
University Medical College, św. Łazarza 15, 31-530 Kraków, Poland
| | - Małgorzata Więcek
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Ewa Szymanska
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Wesam Ali
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
- Division
of Bioorganic Chemistry, School of Pharmacy, Saarland University, Campus B 2.1, D-66123 Saarbrücken, Germany
| | - Agnieszka Cios
- Department
of Clinical Pharmacy, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Magdalena Jastrzębska-Więsek
- Department
of Clinical Pharmacy, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Grzegorz Satała
- Department
of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343 Kraków, Poland
| | - Sabina Podlewska
- Department
of Medicinal Chemistry, Maj Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343 Kraków, Poland
| | - Silvia Di Giacomo
- Department
of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
- Italian
National Institute of Health (ISS), Viale Regina Elena 299, 00161 Rome, Italy
| | - Antonella Di Sotto
- Department
of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Sabrina Garbo
- Department
of Molecular Medicine, Istituto Pasteur Italia, Fondazione Cenci-Bolognetti, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Tadeusz Karcz
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Chiara Lambona
- Department
of Drug Chemistry and Technologies, Sapienza
University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Francesco Marocco
- Department
of Molecular Medicine, Istituto Pasteur Italia, Fondazione Cenci-Bolognetti, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Gniewomir Latacz
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Sylwia Sudoł-Tałaj
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
- Doctoral
School of Medical and Health Sciences, Jagiellonian
University Medical College, św. Łazarza 15, 31-530 Kraków, Poland
| | - Barbara Mordyl
- Department
of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Monika Głuch-Lutwin
- Department
of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Agata Siwek
- Department
of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Kinga Czarnota-Łydka
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
- Doctoral
School of Medical and Health Sciences, Jagiellonian
University Medical College, św. Łazarza 15, 31-530 Kraków, Poland
| | - Dawid Gogola
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
- Doctoral
School of Medical and Health Sciences, Jagiellonian
University Medical College, św. Łazarza 15, 31-530 Kraków, Poland
| | - Agnieszka Olejarz-Maciej
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Natalia Wilczyńska-Zawal
- Department
of Clinical Pharmacy, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Ewelina Honkisz-Orzechowska
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Małgorzata Starek
- Department
of Inorganic and Analytical Chemistry, Jagiellonian
University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Monika Dąbrowska
- Department
of Inorganic and Analytical Chemistry, Jagiellonian
University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Katarzyna Kucwaj-Brysz
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Rossella Fioravanti
- Department
of Drug Chemistry and Technologies, Sapienza
University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Muhammad Jawad Nasim
- Division
of Bioorganic Chemistry, School of Pharmacy, Saarland University, Campus B 2.1, D-66123 Saarbrücken, Germany
| | - Marius Hittinger
- Department
of Drug Discovery, Pharmbiotec gGmbH, Nußkopf 39, 66578 Schiffweiler, Germany
- Department
of Drug Delivery, Pharmbiotec gGmbH, Nußkopf 39, 66578 Schiffweiler, Germany
| | - Anna Partyka
- Department
of Clinical Pharmacy, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Anna Wesołowska
- Department
of Clinical Pharmacy, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Cecilia Battistelli
- Department
of Molecular Medicine, Istituto Pasteur Italia, Fondazione Cenci-Bolognetti, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Clemens Zwergel
- Division
of Bioorganic Chemistry, School of Pharmacy, Saarland University, Campus B 2.1, D-66123 Saarbrücken, Germany
- Department
of Drug Chemistry and Technologies, Sapienza
University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
- Department
of Drug Discovery, Pharmbiotec gGmbH, Nußkopf 39, 66578 Schiffweiler, Germany
| | - Jadwiga Handzlik
- Department
of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
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Dong S, Xia J, Wang F, Yang L, Xing S, Du J, Zhang T, Li Z. Discovery of novel deoxyvasicinone derivatives with benzenesulfonamide substituents as multifunctional agents against Alzheimer's disease. Eur J Med Chem 2024; 264:116013. [PMID: 38052155 DOI: 10.1016/j.ejmech.2023.116013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/26/2023] [Accepted: 11/26/2023] [Indexed: 12/07/2023]
Abstract
A series of deoxyvasicinone derivatives with benzenesulfonamide substituents were designed and synthesized to find a multifunctional anti-Alzheimer's disease (AD) drug. The results of the biological activity evaluation indicated that most compounds demonstrated selective inhibition of acetylcholinesterase (AChE). Among them, g17 exhibited the most potent inhibitory effect on AChE (IC50 = 0.24 ± 0.04 μM). Additionally, g17 exhibited promising properties as a metal chelator and inhibitor of amyloid β peptides self-aggregation (68.34 % ± 1.16 %). Research on oxidative stress has shown that g17 displays neuroprotective effects and effectively suppresses the intracellular accumulation of reactive oxygen species. Besides, g17 demonstrated remarkable anti-neuroinflammatory effects by significantly reducing the production of pro-inflammatory cytokines (such as NO, IL-1β, and TNF-α) and inhibiting the expression of inflammatory mediators iNOS and COX-2. In vivo studies showed that g17 significantly improved AD model mice's cognitive and memory abilities. Histological examination of mouse hippocampal tissue sections using hematoxylin and eosin staining revealed that g17 effectively mitigates neuronal damage. Considering the multifunctional properties of g17, it is regarded as a promising lead compound for treating AD.
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Affiliation(s)
- Shuanghong Dong
- The Key Laboratory for Joint Construction of Synthetic Bioprotein of Anhui Province, Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Jucheng Xia
- The Key Laboratory for Joint Construction of Synthetic Bioprotein of Anhui Province, Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Fang Wang
- The Key Laboratory for Joint Construction of Synthetic Bioprotein of Anhui Province, Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Lili Yang
- The Key Laboratory for Joint Construction of Synthetic Bioprotein of Anhui Province, Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Siqi Xing
- The Key Laboratory for Joint Construction of Synthetic Bioprotein of Anhui Province, Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Jiyu Du
- The Key Laboratory for Joint Construction of Synthetic Bioprotein of Anhui Province, Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Tingting Zhang
- The Key Laboratory for Joint Construction of Synthetic Bioprotein of Anhui Province, Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China
| | - Zeng Li
- The Key Laboratory for Joint Construction of Synthetic Bioprotein of Anhui Province, Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.
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Liu YY, Bao DQ, Zhang ZS, Zhu Y, Liu LM, Li T. Radix Sanguisorbae Improves Intestinal Barrier in Septic Rats via HIF-1 α/HO-1/F e2+ Axis. Chin J Integr Med 2024:10.1007/s11655-023-3550-2. [PMID: 38212494 DOI: 10.1007/s11655-023-3550-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/28/2023] [Indexed: 01/13/2024]
Abstract
OBJECTIVE To investigate whether Radix Sanguisorbae (RS, Diyu) could restore intestinal barrier function following sepsis using a cecal ligation and puncture (CLP)-induced septic rat model and lipopolysaccharide (LPS)-challenged IEC-6 cell model, respectively. METHODS Totally 224 rats were divided into 4 groups including a control, sham, CLP and RS group according to a random number table. The rats in the control group were administrated with Ringer's lactate solution (30 mL/kg) with additional dopamine [10 µ g/(kg·min)] and given intramuscular injections of cefuroxime sodium (10 mg/kg) 12 h following CLP. The rats in the RS group were administrated with RS (10 mg/kg) through tail vein 1 h before CLP and treated with RS (10 mg/kg) 12 h following CLP. The rats in the sham group were only performed abdominal surgery without CLP. The rats in the CLP group were performed with CLP without any treatment. The other steps were same as control group. The effects of RS on intestinal barrier function, mesenteric microvessels barrier function, multi-organ function indicators, inflammatory response and 72 h survival window following sepsis were observed. In vitro, the effects of RS on LPS-challenged IEC-6 cell viability, the expressions of zona occludens-1 (ZO-1) and ferroptosis index were evaluated by cell counting kit-8, immunofluorescence and Western blot analysis. Bioinformatic tools were applied to investigate the pharmacological network of RS in sepsis to predict the active compounds and potential protein targets and pathways. RESULTS The sepsis caused severe intestinal barrier dysfunction, multi-organ injury, lipid peroxidation accumulation, and ferroptosis in vivo. RS treatment significantly prolonged the survival time to 56 h and increased 72-h survival rate to 7/16 (43.75%). RS also improved intestinal barrier function and relieved intestinal inflammation. Moreover, RS significantly decreased lipid peroxidation and inhibited ferroptosis (P<0.05 or P<0.01). Administration of RS significantly worked better than Ringer's solution used alone. Using network pharmacology prediction, we found that ferroptosis and hypoxia inducible factor-1 (HIF-1 α) signaling pathways might be involved in RS effects on sepsis. Subsequent Western blot, ferrous iron measurements, and FerroOrange fluorescence of ferrous iron verified the network pharmacology predictions. CONCLUSION RS improved the intestinal barrier function and alleviated intestinal injury by inhibiting ferroptosis, which was related in part to HIF-1 α/heme oxygenase-1/Fe2+ axis.
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Affiliation(s)
- Yi-Yan Liu
- State Key Laboratory of Trauma, Burns and Combined Injuries, Department of War Wound Shock and Transfusion, Institute of Surgery Research, Chongqing, 400042, China
| | - Dai-Qin Bao
- Department of Anesthesiology, Army Medical Center of PLA, Chongqing, 400042, China
| | - Zi-Sen Zhang
- State Key Laboratory of Trauma, Burns and Combined Injuries, Department of War Wound Shock and Transfusion, Institute of Surgery Research, Chongqing, 400042, China
| | - Yu Zhu
- State Key Laboratory of Trauma, Burns and Combined Injuries, Department of War Wound Shock and Transfusion, Institute of Surgery Research, Chongqing, 400042, China
| | - Liang-Ming Liu
- State Key Laboratory of Trauma, Burns and Combined Injuries, Department of War Wound Shock and Transfusion, Institute of Surgery Research, Chongqing, 400042, China
| | - Tao Li
- State Key Laboratory of Trauma, Burns and Combined Injuries, Department of War Wound Shock and Transfusion, Institute of Surgery Research, Chongqing, 400042, China.
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Zhang G, Lv S, Zhong X, Li X, Yi Y, Lu Y, Yan W, Li J, Teng J. Ferroptosis: a new antidepressant pharmacological mechanism. Front Pharmacol 2024; 14:1339057. [PMID: 38259274 PMCID: PMC10800430 DOI: 10.3389/fphar.2023.1339057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 12/15/2023] [Indexed: 01/24/2024] Open
Abstract
The incidence rate of depression, a mental disorder, is steadily increasing and has the potential to become a major global disability factor. Given the complex pathological mechanisms involved in depression, the use of conventional antidepressants may lead to severe complications due to their side effects. Hence, there is a critical need to explore the development of novel antidepressants. Ferroptosis, a newly recognized form of cell death, has been found to be closely linked to the onset of depression. Several studies have indicated that certain active ingredients can ameliorate depression by modulating the ferroptosis signaling pathway. Notably, traditional Chinese medicine (TCM) active ingredients and TCM prescriptions have demonstrated promising antidepressant effects in previous investigations owing to their unique advantages in antidepressant therapy. Building upon these findings, our objective was to review recent relevant research and provide new insights and directions for the development and application of innovative antidepressant strategies.
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Affiliation(s)
- Guangheng Zhang
- Department of First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Shimeng Lv
- Department of First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xia Zhong
- Department of First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xiangyu Li
- Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yunhao Yi
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yitong Lu
- Department of First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Wei Yan
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jiamin Li
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jing Teng
- Department of First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
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Adhikary K, Mohanty S, Bandyopadhyay B, Maiti R, Bhattacharya K, Karak P. β-Amyloid peptide modulates peripheral immune responses and neuroinflammation in rats. Biomol Concepts 2024; 15:bmc-2022-0042. [PMID: 38451915 DOI: 10.1515/bmc-2022-0042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 02/07/2024] [Indexed: 03/09/2024] Open
Abstract
Alzheimer's disease (AD) is characterized by immune system dysregulation, impacting both central and peripheral immune responses. The study aimed to investigate the mechanism behind the neurotoxic effects of β-amyloid (Aβ) peptide in the rat brain including the study of neuroinflammation, neurodegeneration, and alterations in peripheral immune responses (PIR). The neuroinflammation brought on by Aβ1-42 and is unknown to influence PIR. Animal models were prepared, after 28 days, control, sham, and treated rats were anaesthetized and inflammatory markers of hippocampus and serum levels (reactive oxygen species, nitrite, tumor necrosis factor-α, and interleukin-1β), and some markers of PIR (splenic mononuclear cells or MNC, cytotoxicity and phagocytic index of the white blood cells leukocyte adhesion inhibition index or LAI), as well as polymorphonuclear cells of the spleen, were assessed. In addition to changes in peripheral immune responses, the present study found that AD rats had higher blood levels of inflammatory markers. Based on the study, the immune system irregularities observed in AD rats in the peripheral regions might be connected to neuroinflammation, which is facilitated by a compromised blood-brain barrier. Hence, it is viable to propose that the neuroinflammatory condition in rats with Aβ-induced AD could modify immune responses in the peripheral areas with significantly higher levels of inflammatory cytokines markers in the hippocampal tissue in Aβ-injected AD rats.
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Affiliation(s)
- Krishnendu Adhikary
- Department of Interdisciplinary Science, Centurion University of Technology and Management, Odisha 761211, India
| | - Satyajit Mohanty
- Department of Advanced Pharmacology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand 835215, India
| | - Bidyut Bandyopadhyay
- Department of Biotechnology, Oriental Institute of Science and Technology, Dewandighi, Burdwan, West Bengal 713102, India
| | - Rajkumar Maiti
- Department of Physiology, Bankura Christian College, Bankura, West Bengal s722101, India
| | - Koushik Bhattacharya
- School of Paramedics and Allied Health Sciences, Centurion University of Technology & Management, Jatni, Bhubaneswar, Odisha 752050, India
| | - Prithviraj Karak
- Department of Physiology, Bankura Christian College, Bankura, West Bengal s722101, India
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Ye S, Sun S, Cai J, Jiang J. Advances in the Synthesis and Bioactivity of Polysaccharide Selenium Nanoparticles: A Review. Mini Rev Med Chem 2024; 24:1535-1554. [PMID: 38425115 DOI: 10.2174/0113895575302440240219053006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/02/2024] [Accepted: 02/09/2024] [Indexed: 03/02/2024]
Abstract
Selenium, an essential trace element of the human body, is pivotal in human health and disease prevention. Nevertheless, the narrow therapeutic index of selenium, where the toxic and therapeutic doses are close, limits its clinical utility. Significantly, nanoscale selenium synthesized by different methods using polysaccharides as stabilizers has low toxicity properties and exhibits excellent bioactivity. Its biological activities, such as anti-tumor, anti-inflammatory, antioxidant, antibacterial, and immune function enhancement, are improved compared with traditional organic and inorganic selenium compounds, conferring greater potential for application in biomedicine. Therefore, this review evaluates the advancements in various synthesis methodologies for polysaccharide selenium nanoparticles (Se NPs) and their biological activities. It aims to provide a comprehensive theoretical basis and research directions for the future development of highly efficient, minimally toxic, and biocompatible polysaccharide-Se NPs and the application of polysaccharide-Se NPs in biomedicine.
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Affiliation(s)
- Shiying Ye
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Science, Hengyang Medical School, University of South China. Hengyang, Hunan, China
| | - Shaowei Sun
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Science, Hengyang Medical School, University of South China. Hengyang, Hunan, China
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Jiye Cai
- Department of Chemistry, Jinan University, Guangzhou 510632, China
| | - Jinhuan Jiang
- Institute of Pharmacy and Pharmacology, School of Pharmaceutical Science, Hengyang Medical School, University of South China. Hengyang, Hunan, China
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, China
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50
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Li X, Chen X, Gao X. Copper and cuproptosis: new therapeutic approaches for Alzheimer's disease. Front Aging Neurosci 2023; 15:1300405. [PMID: 38178962 PMCID: PMC10766373 DOI: 10.3389/fnagi.2023.1300405] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 11/13/2023] [Indexed: 01/06/2024] Open
Abstract
Copper (Cu) plays a crucial role as a trace element in various physiological processes in humans. Nonetheless, free copper ions accumulate in the brain over time, resulting in a range of pathological changes. Compelling evidence indicates that excessive free copper deposition contributes to cognitive decline in individuals with Alzheimer's disease (AD). Free copper levels in the serum and brain of AD patients are notably elevated, leading to reduced antioxidant defenses and mitochondrial dysfunction. Moreover, free copper accumulation triggers a specific form of cell death, namely copper-dependent cell death (cuproptosis). This article aimed to review the correlation between copper dysregulation and the pathogenesis of AD, along with the primary pathways regulating copper homoeostasis and copper-induced death in AD. Additionally, the efficacy and safety of natural and synthetic agents, including copper chelators, lipid peroxidation inhibitors, and antioxidants, were examined. These treatments can restore copper equilibrium and prevent copper-induced cell death in AD cases. Another aim of this review was to highlight the significance of copper dysregulation and promote the development of pharmaceutical interventions to address it.
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Affiliation(s)
- Xiao Li
- Henan University of Chinese Medicine, Zhengzhou, Henan, China
| | - Xinwang Chen
- College of Acupuncture-Moxibustion and Tuina, Henan University of Chinese Medicine, Zhengzhou, Henan, China
- Acupuncture Clinic of the Third Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan, China
| | - Xiyan Gao
- College of Acupuncture-Moxibustion and Tuina, Henan University of Chinese Medicine, Zhengzhou, Henan, China
- Acupuncture Clinic of the Third Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan, China
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