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Luo JS, Zhai WH, Ding LL, Zhang XJ, Han J, Ning JQ, Chen XM, Jiang WC, Yan RY, Chen MJ. MAMs and Mitochondrial Quality Control: Overview and Their Role in Alzheimer's Disease. Neurochem Res 2024:10.1007/s11064-024-04205-w. [PMID: 39002091 DOI: 10.1007/s11064-024-04205-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: 04/25/2024] [Revised: 06/20/2024] [Accepted: 07/02/2024] [Indexed: 07/15/2024]
Abstract
Alzheimer's disease (AD) represents the most widespread neurodegenerative disorder, distinguished by a gradual onset and slow progression, presenting a substantial challenge to global public health. The mitochondrial-associated membrane (MAMs) functions as a crucial center for signal transduction and material transport between mitochondria and the endoplasmic reticulum, playing a pivotal role in various pathological mechanisms of AD. The dysregulation of mitochondrial quality control systems is considered a fundamental factor in the development of AD, leading to mitochondrial dysfunction and subsequent neurodegenerative events. Recent studies have emphasized the role of MAMs in regulating mitochondrial quality control. This review will delve into the molecular mechanisms underlying the imbalance in mitochondrial quality control in AD and provide a comprehensive overview of the role of MAMs in regulating mitochondrial quality control.
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Affiliation(s)
- Jian-Sheng Luo
- Department of Anesthesiology, Deyang People's Hospital, Deyang, 618000, China
| | - Wen-Hu Zhai
- Department of Anesthesiology, Deyang People's Hospital, Deyang, 618000, China
| | - Ling-Ling Ding
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, 100010, China.
| | - Xian-Jie Zhang
- Department of Anesthesiology, Deyang People's Hospital, Deyang, 618000, China
| | - Jia Han
- Department of Anesthesiology, Deyang People's Hospital, Deyang, 618000, China
| | - Jia-Qi Ning
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, 100010, China
| | - Xue-Meng Chen
- Department of Anesthesiology, Deyang People's Hospital, Deyang, 618000, China
| | - Wen-Cai Jiang
- Department of Anesthesiology, Deyang People's Hospital, Deyang, 618000, China
| | - Ru-Yu Yan
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, 100010, China
| | - Meng-Jie Chen
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, 100010, China
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Yang Q, Yang C, Lv H, Zheng X, Mao S, Liu N, Mo S, Liao B, Yang M, Lu Z, Tang L, Huang X, Jian C, Shang J. Autophagy Regulation Attenuates Neuroinflammation and Cognitive Decline in an Alzheimer's Disease Mouse Model with Chronic Cerebral Hypoperfusion. Inflammation 2024:10.1007/s10753-024-02043-0. [PMID: 38951357 DOI: 10.1007/s10753-024-02043-0] [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: 02/15/2024] [Revised: 04/22/2024] [Accepted: 04/30/2024] [Indexed: 07/03/2024]
Abstract
This study investigates the role of autophagy regulation in modulating neuroinflammation and cognitive function in an Alzheimer's disease (AD) mouse model with chronic cerebral hypoperfusion (CCH). Using the APP23/PS1 mice plus CCH model, we examined the impact of autophagy regulation on cognitive function, neuroinflammation, and autophagic activity. Our results demonstrate significant cognitive impairments in AD mice, exacerbated by CCH, but mitigated by treatment with the autophagy inhibitor 3-methyladenine (3-MA). Dysregulation of autophagy-related proteins, accentuated by CCH, underscores the intricate relationship between cerebral blood flow and autophagy dysfunction in AD pathology. While 3-MA restored autophagic balance, rapamycin (RAPA) treatment did not induce significant changes, suggesting alternative therapeutic approaches are necessary. Dysregulated microglial polarization and neuroinflammation in AD+CCH were linked to cognitive decline, with 3-MA attenuating neuroinflammation. Furthermore, alterations in M2 microglial polarization and the levels of inflammatory markers NLRP3 and MCP1 were observed, with 3-MA treatment exhibiting potential anti-inflammatory effects. Our findings shed light on the crosstalk between autophagy and neuroinflammation in AD+CCH and suggest targeting autophagy as a promising strategy for mitigating neuroinflammation and cognitive decline in AD+CCH.
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Affiliation(s)
- Qin Yang
- Medical School, Jinan University, Guangzhou, Guangdong, China
- Department of Neurology, Baise People's Hospital, Baise, Guangxi, China
| | - Chengmin Yang
- Department of Neurology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China
| | - Hui Lv
- Modern Industrial College of Biomedicine and Great Health, Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Xingwu Zheng
- Department of Geriatrics, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, China
| | - Sanyin Mao
- Department of Neurology, The First People's Hospital of Jiande, Hangzhou, China
| | - Ning Liu
- School of Basic Medical Sciences, Beihua University, Jilin, China
| | - Shenglong Mo
- Graduate School of Youjiang, Medical University for Nationalities, Baise, Guangxi, China
| | - Bao Liao
- Department of Neurology, Baise People's Hospital, Baise, Guangxi, China
| | - Meiling Yang
- Graduate School of Youjiang, Medical University for Nationalities, Baise, Guangxi, China
| | - Zhicheng Lu
- Graduate School of Youjiang, Medical University for Nationalities, Baise, Guangxi, China
| | - Lina Tang
- Graduate School of Youjiang, Medical University for Nationalities, Baise, Guangxi, China
| | - Xiaorui Huang
- Department of Psychiatry and Psychology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Chongdong Jian
- Department of Neurology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China.
| | - Jingwei Shang
- Department of Neurology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, Guangxi, China.
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Chen S, Luo X, Yang L, Luo L, Hu Z, Wang J. Crocetin protects mouse brain from apoptosis in traumatic brain injury model through activation of autophagy. Brain Inj 2024; 38:524-530. [PMID: 38433503 DOI: 10.1080/02699052.2024.2324022] [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: 08/24/2023] [Accepted: 02/22/2024] [Indexed: 03/05/2024]
Abstract
BACKGROUND Autophagy is recognized as a promising therapeutic target for traumatic brain injury (TBI). Crocetin is an aglycone of crocin naturally occurring in saffron and has been found to alleviate brain injury diseases. However, whether crocetin affects autophagy after TBI remains unknown. Therefore, we explore crocetin roles in autophagy after TBI. METHODS We used a weight-dropped model to induce TBI in C57BL/6J mice. Neurological severity scoring (NSS) and grip tests were used to evaluate the neurological level of injury. Brain edema, neuronal apoptosis, neuroinflammation and autophagy were detected by measurements of brain water content, TUNEL staining, ELISA kits and western blotting. RESULTS Crocetin ameliorated neurological dysfunctions and brain edema after TBI. Crocetin reduced neuronal apoptosis and neuroinflammation and enhanced autophagy after TBI. CONCLUSION Crocetin alleviates TBI by inhibiting neuronal apoptosis and neuroinflammation and activating autophagy.
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Affiliation(s)
- Shan Chen
- Department of Laboratory, Wuhan Caidian District People's Hospital, Wuhan, China
| | - Xinghong Luo
- Department of Laboratory, Wuhan Caidian District People's Hospital, Wuhan, China
| | - Liu Yang
- Department of Laboratory, Wuhan Caidian District People's Hospital, Wuhan, China
| | - Liang Luo
- Department of Laboratory, Wuhan Caidian District People's Hospital, Wuhan, China
| | - Zhen Hu
- Department of Laboratory, Wuhan Caidian District People's Hospital, Wuhan, China
| | - Jianglan Wang
- Department of Laboratory, Wuhan Caidian District People's Hospital, Wuhan, China
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Patel KS, Dharamsi A, Priya M, Jain S, Mandal V, Girme A, Modi SJ, Hingorani L. Saffron (Crocus sativus L.) extract attenuates chronic scopolamine-induced cognitive impairment, amyloid beta, and neurofibrillary tangles accumulation in rats. JOURNAL OF ETHNOPHARMACOLOGY 2024; 326:117898. [PMID: 38341114 DOI: 10.1016/j.jep.2024.117898] [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: 08/12/2023] [Revised: 12/14/2023] [Accepted: 02/07/2024] [Indexed: 02/12/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Crocus sativus L. known as saffron, is a popular food condiment with a high aroma, deep colour, and long and thick threads (stigmas) cultivated in Iran, Morocco, Spain, Italy, China, Japan, France, Turkey, and India. In 'Ayurveda', saffron is acknowledged for its immunostimulant, aphrodisiac, cardiotonic, liver tonic, nervine tonic, carminative, diaphoretic, diuretic, emmenagogue, galactagogue, febrifuge, sedative, relaxant, and anxiolytic activities. The renowned Persian physician and philosopher, Avicenna, delineated saffron as an antidepressant, hypnotic, anti-inflammatory, hepatoprotective, bronchodilator, and aphrodisiac in his book, the Canon of Medicine. Within traditional Iranian Medicine (TIM), saffron is characterized as a mood elevator and a rejuvenator for the body and senses. Further, the ethnopharmacological evidence indicates that saffron has shown an effect against neurodegenerative disorders namely, dementia, Alzheimer's, and Parkinson's with its bioactive constituents i.e., carotenoids and apocarotenoids. AIM The present study aimed to investigate the potential of standardized (Kashmir Saffron, India) Crocus sativus extract (CSE) in chronic scopolamine-induced cognitive impairment, amyloid beta (Aβ) plaque, and neurofibrillary tangles (NFT) accumulation in rat brains by targeting AChE inhibition and scopolamine mechanistic effect. METHODS The experimental animals were divided into six groups: group 1: normal control, group 2: scopolamine, group 3,4 and 5 rivastigmine tartrate, CSE (p.o. 10 mg/kg, 15 mg/kg, and 20 mg/kg) respectively. Each treatment group received scopolamine after 20 min of dosing, till 4 weeks. The effects of different treatments on learning, acquisition, and reversal memory were performed using a Morris water maze test. In addition to behavioral assessments, biochemical parameters such as AChE, IL-6, and antioxidants were measured in isolated brains. Histological observations were also conducted to assess the presence of Aβ plaques and NFT. Furthermore, molecular docking was performed to explore the potential AChE inhibitory activity of the bioactive constituents of standardized CSE. RESULTS Scopolamine produces memory impairment, and its chronic administration forms Aβ plaque and NFT in rat brains. Supplementation with CSE in presence of scopolamine has shown remarkable effects on behavioural activity, special acquisition, and reversal memory. The CSE has also shown promising effects on AChE inhibition and antioxidant activity. The results of the docking study also indicate that trans-crocetin, i.e., a biologically active metabolite of Crocins, has strong AChE inhibitory activity, supported by an in vivo animal experiment. CONCLUSION Supplementation with CSE significantly attenuates the formation of Aβ plaque and NFT in the hippocampus at a dose of 20 mg/kg per day. In addition, CSE also counters scopolamine-induced neuroinflammation.
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Affiliation(s)
- Komal S Patel
- Parul Institute of Pharmacy, Parul University, Vadodara, 391760, Gujarat, India.
| | - Abhay Dharamsi
- Parul Institute of Pharmacy, Parul University, Vadodara, 391760, Gujarat, India.
| | - Madhu Priya
- Parul Institute of Pharmacy, Parul University, Vadodara, 391760, Gujarat, India.
| | - Sanskar Jain
- Parul Institute of Pharmacy, Parul University, Vadodara, 391760, Gujarat, India.
| | - Vishal Mandal
- Parul Institute of Pharmacy, Parul University, Vadodara, 391760, Gujarat, India.
| | - Aboli Girme
- Pharmanza Herbal Pvt. Ltd., Anand, 388430, Gujarat, India.
| | | | - Lal Hingorani
- Pharmanza Herbal Pvt. Ltd., Anand, 388430, Gujarat, India.
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Manhas D, Dhiman S, Kour H, Kour D, Sharma K, Wazir P, Vij B, Kumar A, Sawant SD, Ahmed Z, Nandi U. ADME/PK Insights of Crocetin: A Molecule Having an Unusual Chemical Structure with Druglike Features. ACS OMEGA 2024; 9:21494-21509. [PMID: 38764638 PMCID: PMC11097163 DOI: 10.1021/acsomega.4c02116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 03/20/2024] [Indexed: 05/21/2024]
Abstract
Crocetin is a promising phyto-based molecule to treat Alzheimer's disease (AD). The chemical structure of crocetin is incongruent with various standard structural features of CNS drugs. As poor pharmacokinetic behavior is the major hurdle for any candidate to become a drug, we elucidated its druggable characteristics by implementing in silico, in vitro, and in vivo approaches, as limited ADME/PK information is available. Results demonstrate several attributes of crocetin based on rules of drug-likeness, lipophilicity, pKa, P-gp inhibitory activity, plasma stability, RBC partitioning, metabolic stability, CYP inhibitory action, blood-brain barrier (BBB) permeability, oral bioavailability, and pharmacokinetic interaction with marketed anti-Alzheimer's drugs (memantine, donepezil, galantamine, and rivastigmine). However, aqueous solubility, chemical stability, plasma protein binding, and P-gp induction are some concerns associated with this molecule that should be taken into consideration during its further development. Overall results indicate favorable ADME/PK behavior and potential druggable candidature of crocetin.
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Affiliation(s)
- Diksha Manhas
- Pharmacology
Division, CSIR-Indian Institute of Integrative
Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sumit Dhiman
- Pharmacology
Division, CSIR-Indian Institute of Integrative
Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Harpreet Kour
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Natural
Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India
| | - Dilpreet Kour
- Pharmacology
Division, CSIR-Indian Institute of Integrative
Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Kuhu Sharma
- Pharmacology
Division, CSIR-Indian Institute of Integrative
Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Priya Wazir
- Pharmacology
Division, CSIR-Indian Institute of Integrative
Medicine, Jammu 180001, India
| | - Bhavna Vij
- Pharmacology
Division, CSIR-Indian Institute of Integrative
Medicine, Jammu 180001, India
| | - Ajay Kumar
- Pharmacology
Division, CSIR-Indian Institute of Integrative
Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sanghapal D. Sawant
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Natural
Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India
| | - Zabeer Ahmed
- Pharmacology
Division, CSIR-Indian Institute of Integrative
Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Utpal Nandi
- Pharmacology
Division, CSIR-Indian Institute of Integrative
Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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6
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Shi Z, Yang S, Shen C, Shao J, Zhou F, Liu H, Zhou G. LAMP2A regulates cisplatin resistance in colorectal cancer through mediating autophagy. J Cancer Res Clin Oncol 2024; 150:242. [PMID: 38717639 PMCID: PMC11078844 DOI: 10.1007/s00432-024-05775-6] [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] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Accepted: 05/03/2024] [Indexed: 05/12/2024]
Abstract
BACKGROUND Drug resistance is an important constraint on clinical outcomes in advanced cancers. LAMP2A is a limiting protein in molecular chaperone-mediated autophagy. This study was aimed to explore LAMP2A function in cisplatin (cis-diamminedichloroplatinum, DDP) resistance colorectal cancer (CRC) to seek new ideas for CRC clinical treatment. METHODS In this study, LAMP2A expression was analyzed by molecular experimental techniques,such as qRT-PCR and western blot. Then, LAMP2A in cells was interfered by cell transfection experiments. Subsequently, the function of LAMP2A on proliferation, migration, invasion, DDP sensitivity, and autophagy of CRC/DDP cells were further investigated by a series of experiments, such as CCK-8, transwell, and western blot. RESULTS We revealed that LAMP2A was clearly augmented in DDP-resistant CRC and was related to poor patient prognosis. Functionally, LAMP2A insertion remarkably CRC/DDP proliferation, migration, invasion ability and DDP resistance by strengthen autophagy. In contrast, LAMP2A knockdown limited the proliferation, migration, and invasion while heightened cellular sensitivity to DDP by restraining autophagy in CRC/DDP cells. Furthermore, LAMP2A silencing was able to curb tumor formation and enhance sensitivity to DDP in vivo. CONCLUSION In summary, LAMP2A boosted malignant progression and DDP resistance in CRC/DDP cells through mediating autophagy. Clarifying LAMP2A function in DDP resistance is promising to seek cancer therapies biomarkers targeting LAMP2A activity.
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Affiliation(s)
- Zhiliang Shi
- Department of Gastrointestinal Surgery, Affiliated Changshu Hospital to Nantong University, Changshu No. 2 Hospital, Changshu, 215500, Jiangsu Province, China
| | - Shuting Yang
- Department of Gastrointestinal Surgery, Affiliated Changshu Hospital to Nantong University, Changshu No. 2 Hospital, Changshu, 215500, Jiangsu Province, China
| | - Chenglong Shen
- Department of Gastrointestinal Surgery, Affiliated Changshu Hospital to Nantong University, Changshu No. 2 Hospital, Changshu, 215500, Jiangsu Province, China
| | - Jiazhe Shao
- Department of Gastrointestinal Surgery, Affiliated Changshu Hospital to Nantong University, Changshu No. 2 Hospital, Changshu, 215500, Jiangsu Province, China
| | - Fang Zhou
- Department of Gastrointestinal Surgery, Affiliated Changshu Hospital to Nantong University, Changshu No. 2 Hospital, Changshu, 215500, Jiangsu Province, China
| | - Haichen Liu
- Department of Gastrointestinal Surgery, Affiliated Changshu Hospital to Nantong University, Changshu No. 2 Hospital, Changshu, 215500, Jiangsu Province, China
| | - Guoqiang Zhou
- Department of Gastrointestinal Surgery, Affiliated Changshu Hospital to Nantong University, Changshu No. 2 Hospital, Changshu, 215500, Jiangsu Province, China.
- Department of Gastrointestinal Surgery, Affiliated Changshu Hospital to Nantong University, Changshu No. 2 Hospital, Suzhou, 215000, Jiangsu Province, China.
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Sun F, Wang J, Meng L, Zhou Z, Xu Y, Yang M, Li Y, Jiang T, Liu B, Yan H. AdipoRon promotes amyloid-β clearance through enhancing autophagy via nuclear GAPDH-induced sirtuin 1 activation in Alzheimer's disease. Br J Pharmacol 2024. [PMID: 38679474 DOI: 10.1111/bph.16400] [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: 08/03/2023] [Revised: 02/28/2024] [Accepted: 03/21/2024] [Indexed: 05/01/2024] Open
Abstract
BACKGROUND AND PURPOSE Amyloid-β (Aβ) peptide is one of the more important pathological markers in Alzheimer's disease (AD). The development of AD impairs autophagy, which results in an imbalanced clearance of Aβ. Our previous research demonstrated that AdipoRon, an agonist of adiponectin receptors, decreased the deposition of Aβ and enhanced cognitive function in AD. However, the exact mechanisms by which AdipoRon affects Aβ clearance remain unclear. EXPERIMENTAL APPROACH We studied how AdipoRon affects autophagy in HT22 cells and APP/PS1 transgenic mice. We also investigated the signalling pathway involved and used pharmacological inhibitors to examine the role of autophagy in this process. KEY RESULTS AdipoRon promotes Aβ clearance by activating neuronal autophagy in the APP/PS1 transgenic mice. Interestingly, we found that AdipoRon induces the nuclear translocation of GAPDH, where it interacts with the SIRT1/DBC1 complex. This interaction then leads to the release of DBC1 and the activation of SIRT1, which in turn activates autophagy. Importantly, we found that inhibiting either GAPDH or SIRT1 to suppress the activity of SIRT1 counteracts the elevated autophagy and decreased Aβ deposition caused by AdipoRon. This suggests that SIRT1 plays a critical role in the effect of AdipoRon on autophagic induction in AD. CONCLUSION AND IMPLICATIONS AdipoRon promotes the clearance of Aβ by enhancing autophagy through the AdipoR1/AMPK-dependent nuclear translocation of GAPDH and subsequent activation of SIRT1. This novel molecular pathway sheds light on the modulation of autophagy in AD and may lead to the development of new therapeutic strategies targeting this pathway.
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Affiliation(s)
- Fengjiao Sun
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, China
- Department of Pharmacology, School of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Jiangong Wang
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, China
- Department of Pharmacology, School of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Lingbin Meng
- Department of Pharmacology, School of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Zhenyu Zhou
- Department of Pharmacology, School of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Yong Xu
- Department of Pharmacology, School of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Meizi Yang
- Department of Pharmacology, School of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Yixin Li
- Department of Pharmacology, School of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Tianrui Jiang
- Department of Pharmacology, School of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Bin Liu
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, China
| | - Haijing Yan
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, China
- Department of Pharmacology, School of Basic Medicine, Binzhou Medical University, Yantai, China
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Zeng W, Li C, Wu R, Yang X, Wang Q, Lin B, Wei Y, Li H, Shan G, Qu L, Cang C. Optogenetic manipulation of lysosomal physiology and autophagy-dependent clearance of amyloid beta. PLoS Biol 2024; 22:e3002591. [PMID: 38652732 PMCID: PMC11068202 DOI: 10.1371/journal.pbio.3002591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 05/03/2024] [Accepted: 03/17/2024] [Indexed: 04/25/2024] Open
Abstract
Lysosomes are degradation centers of cells and intracellular hubs of signal transduction, nutrient sensing, and autophagy regulation. Dysfunction of lysosomes contributes to a variety of diseases, such as lysosomal storage diseases (LSDs) and neurodegeneration, but the mechanisms are not well understood. Altering lysosomal activity and examining its impact on the occurrence and development of disease is an important strategy for studying lysosome-related diseases. However, methods to dynamically regulate lysosomal function in living cells or animals are still lacking. Here, we constructed lysosome-localized optogenetic actuators, named lyso-NpHR3.0, lyso-ArchT, and lyso-ChR2, to achieve optogenetic manipulation of lysosomes. These new actuators enable light-dependent control of lysosomal membrane potential, pH, hydrolase activity, degradation, and Ca2+ dynamics in living cells. Notably, lyso-ChR2 activation induces autophagy through the mTOR pathway, promotes Aβ clearance in an autophagy-dependent manner in cellular models, and alleviates Aβ-induced paralysis in the Caenorhabditis elegans model of Alzheimer's disease. Our lysosomal optogenetic actuators supplement the optogenetic toolbox and provide a method to dynamically regulate lysosomal physiology and function in living cells and animals.
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Affiliation(s)
- Wenping Zeng
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Canjun Li
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
- Institute of Health and Medicine, Hefei Comprehensive National Science Center, Hefei, Anhui, China
| | - Ruikun Wu
- Department of Laboratory Medicine, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Hefei, Anhui, China
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Xingguo Yang
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Qingyan Wang
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Bingqian Lin
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Yanan Wei
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Hao Li
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Ge Shan
- Department of Laboratory Medicine, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Hefei, Anhui, China
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Lili Qu
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Chunlei Cang
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
- Institute of Health and Medicine, Hefei Comprehensive National Science Center, Hefei, Anhui, China
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
- Neurodegenerative Disorder Research Center, University of Science and Technology of China, Hefei, Anhui, China
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9
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Li YY, Qin ZH, Sheng R. The Multiple Roles of Autophagy in Neural Function and Diseases. Neurosci Bull 2024; 40:363-382. [PMID: 37856037 PMCID: PMC10912456 DOI: 10.1007/s12264-023-01120-y] [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: 03/29/2023] [Accepted: 07/11/2023] [Indexed: 10/20/2023] Open
Abstract
Autophagy involves the sequestration and delivery of cytoplasmic materials to lysosomes, where proteins, lipids, and organelles are degraded and recycled. According to the way the cytoplasmic components are engulfed, autophagy can be divided into macroautophagy, microautophagy, and chaperone-mediated autophagy. Recently, many studies have found that autophagy plays an important role in neurological diseases, including Alzheimer's disease, Parkinson's disease, Huntington's disease, neuronal excitotoxicity, and cerebral ischemia. Autophagy maintains cell homeostasis in the nervous system via degradation of misfolded proteins, elimination of damaged organelles, and regulation of apoptosis and inflammation. AMPK-mTOR, Beclin 1, TP53, endoplasmic reticulum stress, and other signal pathways are involved in the regulation of autophagy and can be used as potential therapeutic targets for neurological diseases. Here, we discuss the role, functions, and signal pathways of autophagy in neurological diseases, which will shed light on the pathogenic mechanisms of neurological diseases and suggest novel targets for therapies.
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Affiliation(s)
- Yan-Yan Li
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, 215123, China
| | - Zheng-Hong Qin
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, 215123, China.
| | - Rui Sheng
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, 215123, China.
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Khan SU, Fatima K, Aisha S, Malik F. Unveiling the mechanisms and challenges of cancer drug resistance. Cell Commun Signal 2024; 22:109. [PMID: 38347575 PMCID: PMC10860306 DOI: 10.1186/s12964-023-01302-1] [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: 07/01/2023] [Accepted: 08/30/2023] [Indexed: 02/15/2024] Open
Abstract
Cancer treatment faces many hurdles and resistance is one among them. Anti-cancer treatment strategies are evolving due to innate and acquired resistance capacity, governed by genetic, epigenetic, proteomic, metabolic, or microenvironmental cues that ultimately enable selected cancer cells to survive and progress under unfavorable conditions. Although the mechanism of drug resistance is being widely studied to generate new target-based drugs with better potency than existing ones. However, due to the broader flexibility in acquired drug resistance, advanced therapeutic options with better efficacy need to be explored. Combination therapy is an alternative with a better success rate though the risk of amplified side effects is commonplace. Moreover, recent groundbreaking precision immune therapy is one of the ways to overcome drug resistance and has revolutionized anticancer therapy to a greater extent with the only limitation of being individual-specific and needs further attention. This review will focus on the challenges and strategies opted by cancer cells to withstand the current therapies at the molecular level and also highlights the emerging therapeutic options -like immunological, and stem cell-based options that may prove to have better potential to challenge the existing problem of therapy resistance. Video Abstract.
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Affiliation(s)
- Sameer Ullah Khan
- Division of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Holcombe Blvd, Houston, TX, 77030, USA.
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar-190005, Jammu and Kashmir, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India.
| | - Kaneez Fatima
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar-190005, Jammu and Kashmir, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Shariqa Aisha
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar-190005, Jammu and Kashmir, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Fayaz Malik
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar-190005, Jammu and Kashmir, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India.
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11
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Zhang Y, Qi Y, Jia Z, Li Y, Wu L, Zhou Q, Xu F. Effects and mechanisms of Zhizi Chuanxiong herb pair against atherosclerosis: an integration of network pharmacology, molecular docking, and experimental validation. Chin Med 2024; 19:8. [PMID: 38212797 PMCID: PMC10782628 DOI: 10.1186/s13020-023-00874-x] [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: 09/05/2023] [Accepted: 12/25/2023] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND The Zhizi Chuanxiong herb pair (ZCHP) can delay pathological progression of atherosclerosis (AS); however, its pharmacological mechanism remains unclear because of its complex components. The purpose of current study is to systematically investigate the anti-AS mechanism of ZCHP. METHODS The databases of TCMSP, STITCH, SwissTargetPrediction, BATMAN-TCM, and ETCM were searched to predict the potential targets of ZCHP components. Disease targets associated with AS was retrieved from the GEO database. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes (KEGG) signaling pathway analyses were executed using DAVID 6.8. Molecular docking method was employed to evaluate the core target binding to blood components, and animal experiments were performed to test action mechanism. RESULTS A ZCHP-components-targets-AS network was constructed by using Cytoscape, included 11 main components and 52 candidate targets. Crucial genes were shown in the protein-protein interaction network, including TNF, IL-1β, IGF1, MMP9, COL1A1, CCR5, HMOX1, PTGS1, SELE, and SYK. KEGG enrichment illustrated that the NF-κB, Fc epsilon RI, and TNF signaling pathways were important for AS treatment. These results were validated by molecular docking. In ApoE-/- mice, ZCHP significantly reduced intima-media thickness, pulse wave velocity, plaque area, and serum lipid levels while increasing the difference between the end-diastolic and end-systolic diameters. Furthermore, ZCHP significantly decreased the mRNA and protein levels of TNF-α and IL-1β, suppressed NF-κB activation, and inhibited the M1 macrophage polarization marker CD86 in ApoE-/- mice. CONCLUSION This study combining network pharmacology, molecular biology, and animal experiments showed that ZCHP can alleviate AS by suppressing the TNF/NF-κB axis and M1 macrophage polarization.
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Affiliation(s)
- Yan Zhang
- Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yifei Qi
- Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Zijun Jia
- Comprehensive Care of China-Japan Friendship Hospital, Beijing, China
| | - Yiming Li
- Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Integrated Traditional and Western Medicine, Peking University, Beijing, China
| | - Liqi Wu
- Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Qingbing Zhou
- Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Fengqin Xu
- Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
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12
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Fornari Laurindo L, Aparecido Dias J, Cressoni Araújo A, Torres Pomini K, Machado Galhardi C, Rucco Penteado Detregiachi C, Santos de Argollo Haber L, Donizeti Roque D, Dib Bechara M, Vialogo Marques de Castro M, de Souza Bastos Mazuqueli Pereira E, José Tofano R, Jasmin Santos German Borgo I, Maria Barbalho S. Immunological dimensions of neuroinflammation and microglial activation: exploring innovative immunomodulatory approaches to mitigate neuroinflammatory progression. Front Immunol 2024; 14:1305933. [PMID: 38259497 PMCID: PMC10800801 DOI: 10.3389/fimmu.2023.1305933] [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: 10/02/2023] [Accepted: 12/15/2023] [Indexed: 01/24/2024] Open
Abstract
The increasing life expectancy has led to a higher incidence of age-related neurodegenerative conditions. Within this framework, neuroinflammation emerges as a significant contributing factor. It involves the activation of microglia and astrocytes, leading to the release of pro-inflammatory cytokines and chemokines and the infiltration of peripheral leukocytes into the central nervous system (CNS). These instances result in neuronal damage and neurodegeneration through activated nucleotide-binding domain and leucine-rich repeat containing (NLR) family pyrin domain containing protein 3 (NLRP3) and nuclear factor kappa B (NF-kB) pathways and decreased nuclear factor erythroid 2-related factor 2 (Nrf2) activity. Due to limited effectiveness regarding the inhibition of neuroinflammatory targets using conventional drugs, there is challenging growth in the search for innovative therapies for alleviating neuroinflammation in CNS diseases or even before their onset. Our results indicate that interventions focusing on Interleukin-Driven Immunomodulation, Chemokine (CXC) Receptor Signaling and Expression, Cold Exposure, and Fibrin-Targeted strategies significantly promise to mitigate neuroinflammatory processes. These approaches demonstrate potential anti-neuroinflammatory effects, addressing conditions such as Multiple Sclerosis, Experimental autoimmune encephalomyelitis, Parkinson's Disease, and Alzheimer's Disease. While the findings are promising, immunomodulatory therapies often face limitations due to Immune-Related Adverse Events. Therefore, the conduction of randomized clinical trials in this matter is mandatory, and will pave the way for a promising future in the development of new medicines with specific therapeutic targets.
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Affiliation(s)
- Lucas Fornari Laurindo
- Department of Biochemistry and Pharmacology, School of Medicine, Faculdade de Medicina de Marília (FAMEMA), Marília, São Paulo, Brazil
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
| | - Jefferson Aparecido Dias
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
| | - Adriano Cressoni Araújo
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
| | - Karina Torres Pomini
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
- Department of Anatomy, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
| | - Cristiano Machado Galhardi
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
| | - Claudia Rucco Penteado Detregiachi
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
| | - Luíza Santos de Argollo Haber
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
| | - Domingos Donizeti Roque
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
- Department of Anatomy, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
| | - Marcelo Dib Bechara
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
| | - Marcela Vialogo Marques de Castro
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
| | - Eliana de Souza Bastos Mazuqueli Pereira
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
| | - Ricardo José Tofano
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
| | - Iris Jasmin Santos German Borgo
- Department of Biological Sciences (Anatomy), School of Dentistry of Bauru, Universidade de São Paulo (FOB-USP), Bauru, São Paulo, Brazil
| | - Sandra Maria Barbalho
- Department of Biochemistry and Pharmacology, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, School of Medicine, Universidade de Marília (UNIMAR), Marília, São Paulo, Brazil
- Department of Biochemistry and Nutrition, School of Food and Technology of Marília (FATEC), Marília, São Paulo, Brazil
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Wang X, Song Y, Cong P, Wang Z, Liu Y, Xu J, Xue C. Docosahexaenoic Acid-Acylated Astaxanthin Monoester Ameliorates Amyloid-β Pathology and Neuronal Damage by Restoring Autophagy in Alzheimer's Disease Models. Mol Nutr Food Res 2024; 68:e2300414. [PMID: 37991232 DOI: 10.1002/mnfr.202300414] [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: 06/16/2023] [Revised: 08/29/2023] [Indexed: 11/23/2023]
Abstract
SCOPE Astaxanthin (AST) is ubiquitous in aquatic foods and microorganisms. The study previously finds that docosahexaenoic acid-acylated AST monoester (AST-DHA) improves cognitive function in Alzheimer's disease (AD), although the underlying mechanism remains unclear. Moreover, autophagy is reportedly involved in amyloid-β (Aβ) clearance and AD pathogenesis. Therefore, this study aims to evaluate the preventive effect of AST-DHA and elucidates the mechanism of autophagy modulation in Aβ pathology. METHODS AND RESULTS In the cellular AD model, AST-DHA significantly reduces toxic Aβ1-42 levels and alleviated the accumulation of autophagic markers (LC3II/I and p62) in Aβ25-35 -induced SH-SY5Y cells. Notably, AST-DHA restores the autophagic flux in SH-SY5YmRFP-GFP-LC3 cells. In APP/PS1 mice, a 3-month dietary supplementation of AST-DHA exceeded free-astaxanthin (F-AST) capacity to increase hippocampal and cortical autophagy. Mechanistically, AST-DHA restores autophagy by activating the ULK1 signaling pathway and restoring autophagy-lysosome fusion. Moreover, AST-DHA relieves ROS production and mitochondrial stress affecting autophagy in AD. As a favorable outcome of restored autophagy, AST-DHA mitigates cerebral Aβ and p-Tau deposition, ultimately improving neuronal function. CONCLUSION The findings demonstrate that AST-DHA can rectify autophagic impairment in AD, and confer neuroprotection in Aβ-related pathology, which supports the future application of AST as an autophagic inducer for maintaining brain health.
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Affiliation(s)
- Xiaoxu Wang
- A State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No. 1299, Sansha Road, Qingdao, Shandong Province, 266235, China
- College of Marine Life Sciences, Ocean University of China, 5 Yushan Road, Qingdao, Shandong Province, 266003, China
| | - Yu Song
- A State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No. 1299, Sansha Road, Qingdao, Shandong Province, 266235, China
| | - Peixu Cong
- A State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No. 1299, Sansha Road, Qingdao, Shandong Province, 266235, China
| | - Zhigao Wang
- A State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No. 1299, Sansha Road, Qingdao, Shandong Province, 266235, China
| | - Yanjun Liu
- A State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No. 1299, Sansha Road, Qingdao, Shandong Province, 266235, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu Province, 214122, China
| | - Jie Xu
- A State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No. 1299, Sansha Road, Qingdao, Shandong Province, 266235, China
| | - Changhu Xue
- A State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, No. 1299, Sansha Road, Qingdao, Shandong Province, 266235, China
- Qingdao Marine Science and Technology Center, Qingdao, Shandong Province, 266235, China
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Singh S, Chib S, Akhtar MJ, Kumar B, Chawla PA, Bhatia R. Paradigms and Success Stories of Natural Products in Drug Discovery Against Neurodegenerative Disorders (NDDs). Curr Neuropharmacol 2024; 22:992-1015. [PMID: 36606589 DOI: 10.2174/1570159x21666230105110834] [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: 05/16/2022] [Revised: 10/17/2022] [Accepted: 10/19/2022] [Indexed: 01/07/2023] Open
Abstract
Neurodegenerative disorders (NDDs) are multifaceted complex disorders that have put a great health and economic burden around the globe nowadays. The multi-factorial nature of NDDs has presented a great challenge in drug discovery and continuous efforts are in progress in search of suitable therapeutic candidates. Nature has a great wealth of active principles in its lap that has cured the human population since ancient times. Natural products have revealed several benefits over conventional synthetic medications and scientists have shifted their vision towards exploring the therapeutic potentials of natural products in the past few years. The structural mimicking of natural compounds to endogenous ligands has presented them as a potential therapeutic candidate to prevent the development of NDDs. In the presented review, authors have summarized demographical facts about various NDDs including Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD) and various types of sclerosis in the brain. The significant findings of new active principles of natural origin along with their therapeutic potentials on NDDs have been included. Also, a description of clinical trials and patents on natural products has been enlisted in this compilation. Although natural products have shown promising success in drug discovery against NDDs, still their use is associated with several ethical issues which need to be solved in the upcoming time.
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Affiliation(s)
- Sukhwinder Singh
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy Moga, Punjab, 142001, India
| | - Shivani Chib
- Department of Pharmacology, ISF College of Pharmacy Moga, Punjab, 142001, India
| | - Md Jawaid Akhtar
- Department of Pharmaceutical Chemistry, College of Pharmacy, National University of Science and Technology, PO620, PC 130 Azaiba, Bousher, Muscat, Oman
| | - Bhupinder Kumar
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy Moga, Punjab, 142001, India
- Department of Pharmaceutical Sciences, HNB Garhwal University, Chauras Campus, Srinagar, Garhwal, Uttarakhand, 246174, India
| | - Pooja A Chawla
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy Moga, Punjab, 142001, India
| | - Rohit Bhatia
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy Moga, Punjab, 142001, India
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15
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Khan SU, Hamza B, Mir RH, Fatima K, Malik F. Lavender Plant: Farming and Health Benefits. Curr Mol Med 2024; 24:702-711. [PMID: 37202896 DOI: 10.2174/1566524023666230518114027] [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: 11/14/2022] [Revised: 03/22/2023] [Accepted: 03/27/2023] [Indexed: 05/20/2023]
Abstract
Natural remedies from a range of sources, including plants, animals, microorganisms, and marine life, have made a significant contribution to the treatment of many ailments. Lavender is a Mediterranean shrub from the Lamiaceae family. Lavender flowers (Lavandula flores) include active ingredients (3%), anthocyanins, sugars, phytosterols, minerals, and tannins and are majorly used for herbal applications. Lavender essential oil's descriptive and analytical composition varies depending on genotype, growing region, climatic circumstances, propagation, and morphological characteristics. There are around 300 chemical components in essential oil. Linalool, terpinen-4-ol, linalyl acetate, ocimene, acetate lavandulol, and cineole are the most prominent constituents. Lavender oil has antibacterial and antioxidant properties. The lavender extract helps to prevent dementia and may slow cancer cell growth, while lavender oil is used to treat skin problems. This review will cover the recent medical, economic and regional advancements in levander propagation and how the Council of Scientific & Industrial Research Indian Institute of Integrative (CSIR IIIM) aroma mission is actively acting as a bridge between farmers and their economic improvement by attracting them to the field of medicinal plant cultivation.
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Affiliation(s)
- Sameer Ullah Khan
- Cancer Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar Srinagar, 190005, Jammu and Kashmir, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Baseerat Hamza
- Cancer Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar Srinagar, 190005, Jammu and Kashmir, India
| | - Reyaz Hassan Mir
- Pharmaceutical Chemistry Division, Department of Pharmaceutical Sciences, University of Kashmir, Hazratbal, Srinagar, 190006, Jammu and Kashmir, India
| | - Kaneez Fatima
- Cancer Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar Srinagar, 190005, Jammu and Kashmir, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Fayaz Malik
- Cancer Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar Srinagar, 190005, Jammu and Kashmir, India
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16
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Yu X, Fan Z, Yang T, Li H, Shi Y, Ye L, Huang R. Plasma circRNA HIPK2 as a putative biomarker for the diagnosis and prediction of therapeutic effects in major depressive disorder. Clin Chim Acta 2024; 552:117694. [PMID: 38065380 DOI: 10.1016/j.cca.2023.117694] [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: 10/31/2023] [Revised: 11/30/2023] [Accepted: 12/03/2023] [Indexed: 12/19/2023]
Abstract
BACKGROUND Circular RNAs (circRNAs) are a prevalent type of non-coding RNAs exhibiting extensive expression in mammalian cells. Owing to their involvement in diverse pathophysiological mechanisms of major depressive disorder (MDD) and their inherent stability in peripheral blood, circRNAs have emerged as potential biomarkers of considerable significance. This study aimed to identify and validate circular RNA HIPK2 (circHIPK2) in MDD patients and to investigate its potential as a biomarker for the diagnosis and prognosis of MDD. METHODS Patients with MDD (n = 81) and healthy controls (HCs) (n = 48) were recruited for our study (October 2022 to June 2023). The expression of circHIPK2 in plasma was assessed using absolute quantitative polymerase chain reaction (qPCR). RESULTS The expression of circHIPK2 in plasma of patients with MDD exhibited a significant increase compared to HCs. The circHIPK2 levels showed an area under the curve (AUC) of 0.796, corresponding to a specificity of 97.9% and a sensitivity of 60.4% in diagnosing MDD. Additionally, the rate of change in circHIPK2 over a 14-day period exhibited an AUC curve of 0.819, indicating its predictive value for antidepressive effects. CONCLUSIONS CircHIPK2 could serve as a potential biomarker for diagnosing MDD and predicting therapeutic effects of MDD.
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Affiliation(s)
- Xiaoyu Yu
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Zhenyu Fan
- Department of Pharmacy, Affiliated Hospital of Nantong University, Nantong, China
| | - Tingting Yang
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Heng Li
- Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Yachen Shi
- Department of Neurology, Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University, Wuxi, China
| | - Long Ye
- Department of Hematology, Affiliated Hospital of Jiangnan University, Wuxi, China.
| | - Rongrong Huang
- Department of Pharmacy, Affiliated Hospital of Nantong University, Nantong, China.
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17
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Wu W, Huang J, Han P, Zhang J, Wang Y, Jin F, Zhou Y. Research Progress on Natural Plant Molecules in Regulating the Blood-Brain Barrier in Alzheimer's Disease. Molecules 2023; 28:7631. [PMID: 38005352 PMCID: PMC10674591 DOI: 10.3390/molecules28227631] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 11/07/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
Alzheimer's disease (AD) is a prevalent neurodegenerative disorder. With the aging population and the continuous development of risk factors associated with AD, it will impose a significant burden on individuals, families, and society. Currently, commonly used therapeutic drugs such as Cholinesterase inhibitors, N-methyl-D-aspartate antagonists, and multiple AD pathology removal drugs have been shown to have beneficial effects on certain pathological conditions of AD. However, their clinical efficacy is minimal and they are associated with certain adverse reactions. Furthermore, the underlying pathological mechanism of AD remains unclear, posing a challenge for drug development. In contrast, natural plant molecules, widely available, offer multiple targeting pathways and demonstrate inherent advantages in modifying the typical pathologic features of AD by influencing the blood-brain barrier (BBB). We provide a comprehensive review of recent in vivo and in vitro studies on natural plant molecules that impact the BBB in the treatment of AD. Additionally, we analyze their specific mechanisms to offer novel insights for the development of safe and effective targeted drugs as well as guidance for experimental research and the clinical application of drugs for the prevention and treatment of AD.
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Affiliation(s)
- Weidong Wu
- Basic Theory of Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (W.W.); (J.Z.); (Y.W.)
| | - Jiahao Huang
- Department of Chinese Pharmacology, Heilongjiang University of Chinese Medicine, Harbin 150040, China;
| | - Pengfei Han
- Science and Education Section, Zhangjiakou First Hospital, Zhangjiakou 075041, China;
| | - Jian Zhang
- Basic Theory of Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (W.W.); (J.Z.); (Y.W.)
| | - Yuxin Wang
- Basic Theory of Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (W.W.); (J.Z.); (Y.W.)
| | - Fangfang Jin
- Department of Internal Medicine, Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Yanyan Zhou
- Basic Theory of Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (W.W.); (J.Z.); (Y.W.)
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Babalola JA, Lang M, George M, Stracke A, Tam-Amersdorfer C, Itxaso I, Lucija D, Tadic J, Schilcher I, Loeffler T, Flunkert S, Prokesch M, Leitinger G, Lass A, Hutter-Paier B, Panzenboeck U, Hoefler G. Astaxanthin enhances autophagy, amyloid beta clearance and exerts anti-inflammatory effects in in vitro models of Alzheimer's disease-related blood brain barrier dysfunction and inflammation. Brain Res 2023; 1819:148518. [PMID: 37579986 DOI: 10.1016/j.brainres.2023.148518] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/22/2023] [Accepted: 08/02/2023] [Indexed: 08/16/2023]
Abstract
Defective degradation and clearance of amyloid-β as well as inflammation per se are crucial players in the pathology of Alzheimer's disease (AD). A defective transport across the blood-brain barrier is causative for amyloid-β (Aβ) accumulation in the brain, provoking amyloid plaque formation. Using primary porcine brain capillary endothelial cells and murine organotypic hippocampal slice cultures as in vitro models of AD, we investigated the effects of the antioxidant astaxanthin (ASX) on Aβ clearance and neuroinflammation. We report that ASX enhanced the clearance of misfolded proteins in primary porcine brain capillary endothelial cells by inducing autophagy and altered the Aβ processing pathway. We observed a reduction in the expression levels of intracellular and secreted amyloid precursor protein/Aβ accompanied by an increase in ABC transporters ABCA1, ABCG1 as well as low density lipoprotein receptor-related protein 1 mRNA levels. Furthermore, ASX treatment increased autophagic flux as evidenced by increased lipidation of LC3B-II as well as reduced protein expression of phosphorylated S6 ribosomal protein and mTOR. In LPS-stimulated brain slices, ASX exerted anti-inflammatory effects by reducing the secretion of inflammatory cytokines while shifting microglia polarization from M1 to M2 phenotype. Our data suggest ASX as potential therapeutic compound ameliorating AD-related blood brain barrier impairment and inflammation.
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Affiliation(s)
| | - Magdalena Lang
- Otto Loewi Research Center, Division of Immunology, Medical University of Graz, Austria
| | - Meekha George
- Department of Obstetrics and Gynaecology, Medical University of Graz, Austria
| | - Anika Stracke
- Otto Loewi Research Center, Division of Immunology, Medical University of Graz, Austria
| | | | | | | | - Jelena Tadic
- Institute of Molecular Biosciences, University of Graz, Austria
| | | | | | | | | | - Gerd Leitinger
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center, Medical University of Graz, Austria
| | - Achim Lass
- Institute of Molecular Biosciences, University of Graz, Austria
| | | | - Ute Panzenboeck
- Otto Loewi Research Center, Division of Immunology, Medical University of Graz, Austria
| | - Gerald Hoefler
- Diagnostic and Research Institute of Pathology, Medical University of Graz, Austria.
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Gao D, Wang R, Gong Y, Yu X, Niu Q, Yang E, Fan G, Ma J, Chen C, Tao Y, Lu J, Wang Z. CAB39 promotes cisplatin resistance in bladder cancer via the LKB1-AMPK-LC3 pathway. Free Radic Biol Med 2023; 208:587-601. [PMID: 37726090 DOI: 10.1016/j.freeradbiomed.2023.09.017] [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: 04/15/2023] [Revised: 09/10/2023] [Accepted: 09/16/2023] [Indexed: 09/21/2023]
Abstract
Systemic therapy for muscle-invasive bladder cancer (BC) remains dominated by cisplatin-based chemotherapy. However, resistance to cisplatin therapy greatly limits long-term survival. Resistance to cisplatin-based chemotherapy still needs to be addressed. In this study, we established three cisplatin-resistant BC cell lines by multiple cisplatin pulse treatments. Interestingly, after exposure to cisplatin, all cisplatin-resistant cell lines showed lower reactive oxygen species (ROS) levels than the corresponding parental cell lines. Using proteomic analysis, we identified 35 proteins that were upregulated in cisplatin-resistant BC cells. By knocking down eleven of these genes, we found that after CAB39 knockdown, BC cisplatin-resistant cells were more sensitive to cisplatin. Overexpression of CAB39 had the opposite effect. Then, the knockdown of six genes downstream of CAB39 revealed that CAB39 promoted cisplatin resistance in BC through LKB1. Moreover, a key cause of cisplatin-induced cell death is damage to mitochondria and increased ROS levels. In our study, cisplatin-resistant cells exhibited higher autophagic flux and healthier mitochondrial status after cisplatin exposure. We demonstrated that the CAB39-LKB1-AMPK-LC3 pathway plays a critical role in enhancing autophagy to maintain the health of mitochondria and reduce ROS levels. In addition, the autophagy inhibitor chloroquine (CQ) can significantly enhance the killing effect of cisplatin on BC cells. Compared with gemcitabine plus cisplatin (GC), GC plus CQ significantly reduced tumor burden in vivo. In conclusion, our study shows that CAB39 counteracts the killing of cisplatin by enhancing the autophagy of BC cells to damaged mitochondria and other organelles to alleviate the damage of cells caused by harmful substances such as ROS.
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Affiliation(s)
- Dongyang Gao
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Gansu Nephro-Urological Clinical Center, Lanzhou, Gansu, 730030, China
| | - Runchang Wang
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Gansu Nephro-Urological Clinical Center, Lanzhou, Gansu, 730030, China
| | - Yuwen Gong
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Gansu Nephro-Urological Clinical Center, Lanzhou, Gansu, 730030, China
| | - Xiaoquan Yu
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Qian Niu
- Department of Pathology, Lanzhou University Second Hospital, Lanzhou, China
| | - Enguang Yang
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Gansu Nephro-Urological Clinical Center, Lanzhou, Gansu, 730030, China
| | - Guangrui Fan
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Gansu Nephro-Urological Clinical Center, Lanzhou, Gansu, 730030, China
| | - Junhai Ma
- Department of Urology, Lanzhou University Second Hospital, Lanzhou, China
| | - Chaohu Chen
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Gansu Nephro-Urological Clinical Center, Lanzhou, Gansu, 730030, China
| | - Yan Tao
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Gansu Nephro-Urological Clinical Center, Lanzhou, Gansu, 730030, China
| | - Jianzhong Lu
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Gansu Nephro-Urological Clinical Center, Lanzhou, Gansu, 730030, China
| | - Zhiping Wang
- Institute of Urology, Lanzhou University Second Hospital, Key Laboratory of Urological Diseases in Gansu Province, Gansu Nephro-Urological Clinical Center, Lanzhou, Gansu, 730030, China.
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20
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Khan SU, Fatima K, Malik F, Kalkavan H, Wani A. Cancer metastasis: Molecular mechanisms and clinical perspectives. Pharmacol Ther 2023; 250:108522. [PMID: 37661054 DOI: 10.1016/j.pharmthera.2023.108522] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/22/2023] [Accepted: 08/29/2023] [Indexed: 09/05/2023]
Abstract
Metastatic progression combined with non-responsiveness towards systemic therapy often shapes the course of disease for cancer patients and commonly determines its lethal outcome. The complex molecular events that promote metastasis are a combination of both, the acquired pro-metastatic properties of cancer cells and a metastasis-permissive or -supportive tumor micro-environment (TME). Yet, dissemination is a challenging process for cancer cells that requires a series of events to enable cancer cell survival and growth. Metastatic cancer cells have to initially detach themselves from primary tumors, overcome the challenges of their intravasal journey and colonize distant sites that are suited for their metastases. The implicated obstacles including anoikis and immune surveillance, can be overcome by intricate intra- and extracellular signaling pathways, which we will summarize and discuss in this review. Further, emerging modulators of metastasis, like the immune-microenvironment, microbiome, sublethal cell death engagement, or the nervous system will be integrated into the existing working model of metastasis.
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Affiliation(s)
- Sameer Ullah Khan
- The University of Texas MD Anderson Cancer Center, Division of Genitourinary Medical Oncology, Holcombe Blvd, Houston, TX 77030, USA; Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Jammu and Kashmir, India
| | - Kaneez Fatima
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Jammu and Kashmir, India; Academy of Scientific and Innovative Research (ASIR), Ghaziabad 201002, India
| | - Fayaz Malik
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Jammu and Kashmir, India; Academy of Scientific and Innovative Research (ASIR), Ghaziabad 201002, India.
| | - Halime Kalkavan
- Department of Medical Oncology, West German Cancer Center, University Hospital Essen, Essen, Germany; German Cancer Consortium (DKTK), Partner Site University Hospital Essen, Essen, Germany.
| | - Abubakar Wani
- St. Jude Children's Research Hospital, 262 Danny Thomas Pl, Memphis, TN 38105, United States.
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21
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Yu F, Wang M, Luo K, Sun L, Yu S, Zuo J, Wang Y. Expression Profiles of Long Non-Coding RNAs in the Articular Cartilage of Rats Exposed to T-2 Toxin. Int J Mol Sci 2023; 24:13703. [PMID: 37762015 PMCID: PMC10530968 DOI: 10.3390/ijms241813703] [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: 07/15/2023] [Revised: 08/24/2023] [Accepted: 08/28/2023] [Indexed: 09/29/2023] Open
Abstract
T-2 toxin could induce bone damage. But there is no specific mechanism about the long non-coding RNAs (lncRNAs) involved in T-2 toxin-induced articular cartilage injury. In this study, 24 SD rats were randomly divided into a control group and a T-2 group, which were administered 4% absolute ethanol and 100 ng/g · bw/day of T-2 toxin, respectively. After treatment for 4 weeks, safranin O/fast green staining identified the pathological changes in the articular cartilage of rats, and immunofluorescence verified the autophagy level increase in the T-2 group. Total RNA was isolated, and high-throughput sequencing was performed. A total of 620 differentially expressed lncRNAs (DE-lncRNAs) were identified, and 326 target genes were predicted. Enrichment analyses showed that the target genes of DE-lncRNAs were enriched in the autophagy-related biological processes and pathways. According to the autophagy database, a total of 23 autophagy-related genes were identified, and five hub genes (Foxo3, Foxo1, Stk11, Hdac4, and Rela) were screened using the Maximal Clique Centrality algorithm. The Human Protein Atlas database indicated that Rela and Hdac4 proteins were highly expressed in the bone marrow tissue, while Foxo3, Foxo1, and Stk11 proteins were reduced. According to Enrichr, etoposide and diatrizoic acid were identified as the key drugs. The real-time quantitative PCR results were consistent with the RNA sequencing (RNA-Seq) results. These results suggested that autophagy was involved in the rat articular cartilage lesions induced by T-2 toxin. The lncRNAs of NONRATG014223.2, NONRATG012484.2, NONRATG021591.2, NONRATG024691.2, and NONRATG002808.2, and their target genes of Foxo3, Foxo1, Stk11, Hdac4, and Rela, respectively, were the key regulator factors of autophagy.
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Affiliation(s)
| | | | | | | | | | | | - Yanjie Wang
- School of Public Health, Zhengzhou University, Zhengzhou 450001, China; (F.Y.); (M.W.); (K.L.); (L.S.); (S.Y.); (J.Z.)
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22
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Li S, Wu F, Gao P, Jin C, Wang Y, Liao W, Ding K. A novel peptidoglycan isolated from Semiaquilegia adoxoides inhibits Aβ 42 production via activating autophagy. Fitoterapia 2023; 169:105552. [PMID: 37257698 DOI: 10.1016/j.fitote.2023.105552] [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: 02/22/2023] [Revised: 05/20/2023] [Accepted: 05/25/2023] [Indexed: 06/02/2023]
Abstract
The accumulation of amyloid β (Aβ) containing senile plaques is one of the key histopathological hallmarks of Alzheimer's disease (AD). Increasing evidences demonstrated the important role of autophagy in Aβ clearance. Recent studies implied that extracts from Semiaquilegia adoxoides (DC.) Makino could ameliorate the memory of D-galactose induced aging mice. However, the bioactive substance and underlying mechanism remains unknown. Thus, the present study sought to explore the effects of a novel homogenous peptidoglycan on Aβ42 secretion and the underlying mechanism. Briefly, we extracted a novel peptidoglycan named SA02C using hot water extraction and alcohol precipitation with the Mw of 13.72 kDa. SA02C contains 73.33% carbohydrate and 27.83% protein. The structure characterization revealed that its glycan part might mainly composed of galacturonic acid with minor rhamnose in backbone, and branched with glucose, galactose, arabinose, xylose and galacturonic acid. The protein or peptide moiety in SA02C was bonded to the polysaccharide via threonine. Bioactivities test showed that SA02C could reduce Aβ42 production in a dose dependent manner with no obvious cytotoxicity. Mechanism study demonstrated that SA02C could modulate APP processing by upregulating the expression of ADAM10, sAPPα and downregulating BACE1, sAPPβ. Furthermore, SA02C also could stimulate autophagy by promoting the expression of the markers of autophagy such as LC3B and ATG5, resulting in the promotion of Aβ42 phagocytosis.
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Affiliation(s)
- Saijuan Li
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Nanjing 210023, China; Carbohydrate-Based Drug Research Center, CAS Key Laboratory of Receptor Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
| | - Fangge Wu
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Nanjing 210023, China; Carbohydrate-Based Drug Research Center, CAS Key Laboratory of Receptor Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
| | - Pengcheng Gao
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Nanjing 210023, China; Carbohydrate-Based Drug Research Center, CAS Key Laboratory of Receptor Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
| | - Can Jin
- Carbohydrate-Based Drug Research Center, CAS Key Laboratory of Receptor Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China; Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Science, SSIP Healthcare and Medicine Demonstration Zone, Zhongshan Tsuihang New District, Zhongshan 528400, China
| | - Yuyong Wang
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Nanjing 210023, China; Carbohydrate-Based Drug Research Center, CAS Key Laboratory of Receptor Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
| | - Wenfeng Liao
- Carbohydrate-Based Drug Research Center, CAS Key Laboratory of Receptor Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China.
| | - Kan Ding
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Nanjing 210023, China; Carbohydrate-Based Drug Research Center, CAS Key Laboratory of Receptor Research, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China; Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Science, SSIP Healthcare and Medicine Demonstration Zone, Zhongshan Tsuihang New District, Zhongshan 528400, China.
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23
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Khan SU, Rayees S, Sharma P, Malik F. Targeting redox regulation and autophagy systems in cancer stem cells. Clin Exp Med 2023; 23:1405-1423. [PMID: 36473988 DOI: 10.1007/s10238-022-00955-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 11/16/2022] [Indexed: 12/12/2022]
Abstract
Cancer is a dysregulated cellular level pathological condition that results in tumor formation followed by metastasis. In the heterogeneous tumor architecture, cancer stem cells (CSCs) are essential to push forward the progression of tumors due to their strong pro-tumor properties such as stemness, self-renewal, plasticity, metastasis, and being poorly responsive to radiotherapy and chemotherapeutic agents. Cancer stem cells have the ability to withstand various stress pressures by modulating transcriptional and translational mechanisms, and adaptable metabolic changes. Owing to CSCs heterogeneity and plasticity, these cells display varied metabolic and redox profiles across different types of cancers. It has been established that there is a disparity in the levels of Reactive Oxygen Species (ROS) generated in CSCs vs Non-CSC and these differential levels are detected across different tumors. CSCs have unique metabolic demands and are known to change plasticity during metastasis by passing through the interchangeable epithelial and mesenchymal-like phenotypes. During the metastatic process, tumor cells undergo epithelial to mesenchymal transition (EMT) thus attaining invasive properties while leaving the primary tumor site, similarly during the course of circulation and extravasation at a distant organ, these cells regain their epithelial characteristics through Mesenchymal to Epithelial Transition (MET) to initiate micrometastasis. It has been evidenced that levels of Reactive Oxygen Species (ROS) and associated metabolic activities vary between the epithelial and mesenchymal states of CSCs. Similarly, the levels of oxidative and metabolic states were observed to get altered in CSCs post-drug treatments. As oxidative and metabolic changes guide the onset of autophagy in cells, its role in self-renewal, quiescence, proliferation and response to drug treatment is well established. This review will highlight the molecular mechanisms useful for expanding therapeutic strategies based on modulating redox regulation and autophagy activation to targets. Specifically, we will account for the mounting data that focus on the role of ROS generated by different metabolic pathways and autophagy regulation in eradicating stem-like cells hereafter referred to as cancer stem cells (CSCs).
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Affiliation(s)
- Sameer Ullah Khan
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar, 190005, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sheikh Rayees
- PK PD Toxicology Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Pankaj Sharma
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar, 190005, India
| | - Fayaz Malik
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar, 190005, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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24
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Cao J, Ma X, Yan X, Zhang G, Hong S, Ma R, Wang Y, Ma M. Kaempferol induces mitochondrial dysfunction and mitophagy by activating the LKB1/AMPK/MFF pathway in breast precancerous lesions. Phytother Res 2023; 37:3602-3616. [PMID: 37086359 DOI: 10.1002/ptr.7838] [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: 12/07/2022] [Revised: 03/22/2023] [Accepted: 04/04/2023] [Indexed: 04/23/2023]
Abstract
Kaempferol has been suggested to be an effective anticancer agent in several malignant tumors. However, its function and mechanisms in breast precancerous lesions remain largely elusive. Here, we showed that kaempferol induced excessive mitochondrial fission and mitochondrial damage with activated mitochondrial fission factor (MFF)-mediated dynamin-related protein (DRP) 1 mitochondrial translocation. As a result, the PTEN-induced putative kinase 1 (PINK1)/Parkin signaling pathway was activated, accompanied by excessive mitophagy and reduced mitochondrial mass in cells. We also revealed that kaempferol-induced lethal mitophagy contributed to inhibiting breast precancerous lesion growth in vitro and in vivo. Furthermore, we verified serine/threonine kinase 11 (STK11/LKB1)/AMP-activated protein kinase (AMPK) pathway deficiency in breast precancerous lesions. Moreover, LKB1/AMPK pathway reactivation by kaempferol was required for excessive mitochondrial fission and lethal mitophagy. Taken together, our findings shed new light on the molecular mechanisms related to breast cancer prevention by kaempferol and provide evidence for its potential clinical application.
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Affiliation(s)
- Jingyu Cao
- Department of Oncology, The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Xinyi Ma
- The First Clinical Medical College, Southern Medical University (No: 3210090112), Guangzhou, China
| | - Xianxin Yan
- College of Traditional Chinese Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Jinan University, Guangzhou, China
| | - Guijuan Zhang
- School of Nursing of Jinan University, Guangzhou, China
| | - Shouyi Hong
- College of Traditional Chinese Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Jinan University, Guangzhou, China
| | - Ruirui Ma
- College of Traditional Chinese Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Jinan University, Guangzhou, China
| | - Yanqiu Wang
- College of Traditional Chinese Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Jinan University, Guangzhou, China
| | - Min Ma
- College of Traditional Chinese Medicine, Institute of Integrated Traditional Chinese and Western Medicine, Jinan University, Guangzhou, China
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25
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Murillo Carrasco AG, Giovanini G, Ramos AF, Chammas R, Bustos SO. Insights from a Computational-Based Approach for Analyzing Autophagy Genes across Human Cancers. Genes (Basel) 2023; 14:1550. [PMID: 37628602 PMCID: PMC10454514 DOI: 10.3390/genes14081550] [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: 06/30/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 08/27/2023] Open
Abstract
In the last decade, there has been a boost in autophagy reports due to its role in cancer progression and its association with tumor resistance to treatment. Despite this, many questions remain to be elucidated and explored among the different tumors. Here, we used omics-based cancer datasets to identify autophagy genes as prognostic markers in cancer. We then combined these findings with independent studies to further characterize the clinical significance of these genes in cancer. Our observations highlight the importance of innovative approaches to analyze tumor heterogeneity, potentially affecting the expression of autophagy-related genes with either pro-tumoral or anti-tumoral functions. In silico analysis allowed for identifying three genes (TBC1D12, KERA, and TUBA3D) not previously described as associated with autophagy pathways in cancer. While autophagy-related genes were rarely mutated across human cancers, the expression profiles of these genes allowed the clustering of different cancers into three independent groups. We have also analyzed datasets highlighting the effects of drugs or regulatory RNAs on autophagy. Altogether, these data provide a comprehensive list of targets to further the understanding of autophagy mechanisms in cancer and investigate possible therapeutic targets.
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Affiliation(s)
- Alexis Germán Murillo Carrasco
- Center for Translational Research in Oncology (LIM24), Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo (HCFMUSP), São Paulo 01246-000, Brazil; (A.G.M.C.); (S.O.B.)
- Comprehensive Center for Precision Oncology, Universidade de São Paulo, São Paulo 01246-000, Brazil
| | - Guilherme Giovanini
- Escola de Artes, Ciências e Humanidades, Universidade de São Paulo, Av. Arlindo Béttio, 1000, São Paulo 03828-000, Brazil; (G.G.); (A.F.R.)
| | - Alexandre Ferreira Ramos
- Escola de Artes, Ciências e Humanidades, Universidade de São Paulo, Av. Arlindo Béttio, 1000, São Paulo 03828-000, Brazil; (G.G.); (A.F.R.)
| | - Roger Chammas
- Center for Translational Research in Oncology (LIM24), Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo (HCFMUSP), São Paulo 01246-000, Brazil; (A.G.M.C.); (S.O.B.)
- Comprehensive Center for Precision Oncology, Universidade de São Paulo, São Paulo 01246-000, Brazil
| | - Silvina Odete Bustos
- Center for Translational Research in Oncology (LIM24), Instituto do Cancer do Estado de Sao Paulo (ICESP), Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo (HCFMUSP), São Paulo 01246-000, Brazil; (A.G.M.C.); (S.O.B.)
- Comprehensive Center for Precision Oncology, Universidade de São Paulo, São Paulo 01246-000, Brazil
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26
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Xie ZS, Zhao JP, Wu LM, Chu S, Cui ZH, Sun YR, Wang H, Ma HF, Ma DR, Wang P, Zhang XW, Zhang ZQ. Hederagenin improves Alzheimer's disease through PPARα/TFEB-mediated autophagy. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 112:154711. [PMID: 36809694 DOI: 10.1016/j.phymed.2023.154711] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 01/21/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Autophagic flux is coordinated by a network of master regulatory genes, which centered on transcription factor EB (TFEB). The disorders of autophagic flux are closely associated with Alzheimer's disease (AD), and thus restoring autophagic flux to degrade pathogenic proteins has become a hot therapeutic strategy. Hederagenin (HD), a triterpene compound, isolated from a variety food such as Matoa (Pometia pinnata) Fruit, Medicago sativa, Medicago polymorpha L. Previous studies have shown that HD has the neuroprotective effect. However, the effect of HD on AD and underlying mechanisms are unclear. PURPOSE To determine the effect of HD on AD and whether it promotes autophagy to reduce AD symptoms. STUDY DESIGN BV2 cells, C. elegans and APP/PS1 transgenic mice were used to explore the alleviative effect of HD on AD and the molecular mechanism in vivo and in vitro. METHODS The APP/PS1 transgenic mice at 10 months were randomized into 5 groups (n = 10 in each group) and orally administrated with either vehicle (0.5% CMCNa), WY14643 (10 mg/kg/d), low-dose of HD (25 mg/kg/d), high-dose of HD (50 mg/kg/d) or MK-886 (10 mg/kg/d) + HD (50 mg/kg/d) for consecutive 2 months. The behavioral experiments including morris water maze test, object recognition test and Y maze test were performed. The effects of HD on Aβ deposition and alleviates Aβ pathology in transgenic C. elegans were operated using paralysis assay and fluorescence staining assay. The roles of HD in promoting PPARα/TFEB-dependent autophagy were investigated using the BV2 cells via western blot analysis, real-time quantitative PCR (RT-qPCR), molecular docking, molecular dynamic (MD) simulation, electron microscope assay and immunofluorescence. RESULTS In this study, we found that HD upregulated mRNA and protein level of TFEB and increased the distribution of TFEB in the nucleus, and the expressions of its target genes. HD also promoted the expressions of LC3BII/LC3BI, LAMP2, etc., and promoted autophagy and the degradation of Aβ. HD reduced Aβ deposition in the head area of C. elegans and Aβ-induced paralysis. HD improved cognitive impairment and pathological changes in APP/PS1 mice by promoting autophagy and activating TFEB. And our results also showed that HD could strongly target PPARα. More importantly, these effects were reversed by treatment of MK-886, a selective PPARα antagonist. CONCLUSION Our present findings demonstrated that HD attenuated the pathology of AD through inducing autophagy and the underlying mechanism associated with PPARα/TFEB pathway.
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Affiliation(s)
- Zhi-Shen Xie
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou 450046, PR China
| | - Jian-Ping Zhao
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou 450046, PR China
| | - Li-Min Wu
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou 450046, PR China
| | - Shuang Chu
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou 450046, PR China
| | - Zheng-Hao Cui
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou 450046, PR China
| | - Yi-Ran Sun
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou 450046, PR China
| | - Hui Wang
- College of Pharmacy, Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou 450046, PR China
| | - Hui-Fen Ma
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou 450046, PR China
| | - Dong-Rui Ma
- Department of Neurology, Singapore General Hospital, 20 College Road, Singapore 169856; Duke-Nus Medical School, 8 College Road, Singapore 169857
| | - Pan Wang
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou 450046, PR China.
| | - Xiao-Wei Zhang
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou 450046, PR China.
| | - Zhen-Qiang Zhang
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou 450046, PR China.
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27
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Khan SU, Fatima K, Singh U, Singh PP, Malik F. Small molecule '4ab' induced autophagy and endoplasmic reticulum stress-mediated death of aggressive cancer cells grown under adherent and floating conditions. Med Oncol 2023; 40:121. [PMID: 36939976 DOI: 10.1007/s12032-023-01963-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 01/28/2023] [Indexed: 03/21/2023]
Abstract
Metastasis is the leading cause of death in cancer patients and a major challenging aspect of cancer biology. Various adaptive molecular signaling pathways play a crucial role in cancer metastasis and later in the formation of secondary tumors. Aggressive cancer cells like triple negative breast cancer (TNBCs) are more inclined to undergo metastasis hence having a high recurrence rate and potential of micro-metastasis. Tumor cells in circulation known as circulating tumor cells (CTCs) offer an attractive drug target to treat metastatic disease. Cell cycle regulation and stress response of CTCs in blood has a crucial role in their survival and progression and thus may be considered therapeutically active hotspots. The cyclin D/cyclin-dependent kinase (CDK) pathway regulates cell cycle checkpoints, a process that is frequently dysregulated in cancer cells. Selective CDK inhibitors can limit the phosphorylation of cell cycle regulatory proteins by inducing cell cycle phase arrest, and thus may be an effective therapeutic strategy for aggressive cancer cells in their dividing phase at the primary or secondary site. However, during the floating condition, cancer cells halt their multiplication process and proceed through the various steps of metastasis. Current study showed that a novel CDK inhibitor 4ab induced autophagy and endoplasmic reticulum (ER) stress in agressive cancer cells grown under adherent and floating conditions resulting in paraptosis. Further, our results showed that 4ab efficiently induced cell death in aggressive cancer cells through ER stress-mediated activation of JNK signaling. Additionally, was observed that treatment of 4ab in tumor-bearing mice displayed a significant reduction in tumor burden and micro-metastasis. The outcome of these studies showed that 4ab can be a potential anti-tumor and anti-metastatic agent. Graphical representation of 4ab: image representing the effect of 4ab on death-inducing pathways in aggressive cancer cells. 4ab induces ER stress and activates autophagy leading to vacuolation of there by causing apoptosis in aggressive cancer cells.
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Affiliation(s)
- Sameer Ullah Khan
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar, Srinagar, Jammu and Kashmir, 190005, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - Kaneez Fatima
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar, Srinagar, Jammu and Kashmir, 190005, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Umed Singh
- Medicinal Chemistry CSIR-Indian Institute of Integrative Medicine, Jammu, 180001, India
| | - Parvinder Paul Singh
- Medicinal Chemistry CSIR-Indian Institute of Integrative Medicine, Jammu, 180001, India
| | - Fayaz Malik
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar, Srinagar, Jammu and Kashmir, 190005, India.
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28
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Nuthakki VK, Choudhary S, Reddy CN, Bhatt S, Jamwal A, Jotshi A, Raghuvanshi R, Sharma A, Thakur S, Jadhav HR, Bharate SS, Nandi U, Kumar A, Bharate SB. Design, Synthesis, and Pharmacological Evaluation of Embelin-Aryl/alkyl Amine Hybrids as Orally Bioavailable Blood-Brain Barrier Permeable Multitargeted Agents with Therapeutic Potential in Alzheimer's Disease: Discovery of SB-1448. ACS Chem Neurosci 2023; 14:1193-1219. [PMID: 36812360 DOI: 10.1021/acschemneuro.3c00030] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023] Open
Abstract
The complex and multifaceted nature of Alzheimer's disease has brought about a pressing demand to develop ligands targeting multiple pathways to combat its outrageous prevalence. Embelin is a major secondary metabolite of Embelia ribes Burm f., one of the oldest herbs in Indian traditional medicine. It is a micromolar inhibitor of cholinesterases (ChEs) and β-site amyloid precursor protein cleaving enzyme 1 (BACE-1) with poor absorption, distribution, metabolism, and excretion (ADME) properties. Herein, we synthesize a series of embelin-aryl/alkyl amine hybrids to improve its physicochemical properties and therapeutic potency against targeted enzymes. The most active derivative, 9j (SB-1448), inhibits human acetylcholinesterase (hAChE), human butyrylcholinesterase (hBChE), and human BACE-1 (hBACE-1) with IC50 values of 0.15, 1.6, and 0.6 μM, respectively. It inhibits both ChEs noncompetitively with ki values of 0.21 and 1.3 μM, respectively. It is orally bioavailable, crosses blood-brain barrier (BBB), inhibits Aβ self-aggregation, possesses good ADME properties, and protects neuronal cells from scopolamine-induced cell death. The oral administration of 9j at 30 mg/kg attenuates the scopolamine-induced cognitive impairments in C57BL/6J mice.
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Affiliation(s)
- Vijay K Nuthakki
- Natural Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India.,Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sushil Choudhary
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India.,Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Chilakala N Reddy
- Natural Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India.,Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Shipra Bhatt
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India.,Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ashiya Jamwal
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India.,Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Anshika Jotshi
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India
| | - Rinky Raghuvanshi
- Natural Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India.,Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ankita Sharma
- Natural Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India.,Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Shikha Thakur
- Department of Pharmacy, Birla Institute of Technology and Sciences Pilani, Pilani Campus, Vidya Vihar, Pilani 333031, Rajasthan, India
| | - Hemant R Jadhav
- Department of Pharmacy, Birla Institute of Technology and Sciences Pilani, Pilani Campus, Vidya Vihar, Pilani 333031, Rajasthan, India
| | - Sonali S Bharate
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai 400056, India
| | - Utpal Nandi
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India.,Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ajay Kumar
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India.,Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sandip B Bharate
- Natural Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India.,Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
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29
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Theerasri A, Janpaijit S, Tencomnao T, Prasansuklab A. Beyond the classical amyloid hypothesis in Alzheimer's disease: Molecular insights into current concepts of pathogenesis, therapeutic targets, and study models. WIREs Mech Dis 2023; 15:e1591. [PMID: 36494193 DOI: 10.1002/wsbm.1591] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 11/19/2022] [Accepted: 11/21/2022] [Indexed: 12/14/2022]
Abstract
Alzheimer's disease (AD) is one of the progressive neurodegenerative disorders and the most common cause of dementia in the elderly worldwide causing difficulties in the daily life of the patient. AD is characterized by the aberrant accumulation of β-amyloid plaques and tau protein-containing neurofibrillary tangles (NFTs) in the brain giving rise to neuroinflammation, oxidative stress, synaptic failure, and eventual neuronal cell death. The total cost of care in AD treatment and related health care activities is enormous and pharmaceutical drugs approved by Food and Drug Administration have not manifested sufficient efficacy in protection and therapy. In recent years, there are growing studies that contribute a fundamental understanding to AD pathogenesis, AD-associated risk factors, and pharmacological intervention. However, greater molecular process-oriented research in company with suitable experimental models is still of the essence to enhance the prospects for AD therapy and cell lines as a disease model are still the major part of this milestone. In this review, we provide an insight into molecular mechanisms, particularly the recent concept in gut-brain axis, vascular dysfunction and autophagy, and current models used in the study of AD. Here, we emphasized the importance of therapeutic strategy targeting multiple mechanisms together with utilizing appropriate models for the discovery of novel effective AD therapy. This article is categorized under: Neurological Diseases > Molecular and Cellular Physiology.
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Affiliation(s)
- Atsadang Theerasri
- Graduate Program in Clinical Biochemistry and Molecular Medicine, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand.,Natural Products for Neuroprotection and Anti-ageing Research Unit, Chulalongkorn University, Bangkok, Thailand
| | - Sakawrat Janpaijit
- Graduate Program in Clinical Biochemistry and Molecular Medicine, Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand.,Natural Products for Neuroprotection and Anti-ageing Research Unit, Chulalongkorn University, Bangkok, Thailand
| | - Tewin Tencomnao
- Natural Products for Neuroprotection and Anti-ageing Research Unit, Chulalongkorn University, Bangkok, Thailand.,Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Anchalee Prasansuklab
- Natural Products for Neuroprotection and Anti-ageing Research Unit, Chulalongkorn University, Bangkok, Thailand.,College of Public Health Sciences, Chulalongkorn University, Bangkok, Thailand
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30
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Sanjari-Pour M, Faridi N, Wang P, Bathaie SZ. Protective effect of saffron carotenoids against amyloid beta-induced neurotoxicity in differentiated PC12 cells via the unfolded protein response and autophagy. Phytother Res 2023. [PMID: 36794286 DOI: 10.1002/ptr.7773] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 01/12/2023] [Accepted: 01/29/2023] [Indexed: 02/17/2023]
Abstract
The preventive effect of saffron against Alzheimer's disease (AD) has been reported. Herein, we studied the effect of Cro and Crt, saffron carotenoids, on the cellular model of AD. The MTT assay, flow cytometry, and elevated p-JNK, p-Bcl-2, and c-PARP indicated the AβOs-induced apoptosis in differentiated PC12 cells. Then, the protective effects of Cro/Crt on dPC12 cells against AβOs were investigated in preventive and therapeutic modalities. Starvation was used as a positive control. RT-PCR and Western blot results revealed the reduced eIF2α phosphorylation and increased spliced-XBP1, Beclin1, LC3II, and p62, which indicate the AβOs-induced autophagic flux defect, autophagosome accumulation, and apoptosis. Cro and Crt inhibited the JNK-Bcl-2-Beclin1 pathway. They altered Beclin1 and LC3II and decreased p62 expressions, leading cells to survival. Cro and Crt altered the autophagic flux by different mechanisms. So, Cro increased the rate of autophagosome degradation more than Crt, while Crt increased the rate of autophagosome formation more than Cro. The application of 4μ8C and chloroquine as the inhibitors of XBP1 and autophagy, respectively, confirmed these results. So, augmentation of the survival branches of UPR and autophagy is involved and may serve as an effective strategy to prevent the progression of AβOs toxicity.
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Affiliation(s)
- Mariam Sanjari-Pour
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Nassim Faridi
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Ping Wang
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - S Zahra Bathaie
- Institute for Natural Products and Medicinal Plants, Tarbiat Modares University, Tehran, Iran
- UCLA-DOE Institute, University of California Los Angeles (UCLA), Los Angeles, California, USA
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31
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Yang L, Nao J. Focus on Alzheimer's Disease: The Role of Fibroblast Growth Factor 21 and Autophagy. Neuroscience 2023; 511:13-28. [PMID: 36372296 DOI: 10.1016/j.neuroscience.2022.11.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 08/24/2022] [Accepted: 11/04/2022] [Indexed: 11/13/2022]
Abstract
Alzheimer's disease (AD) is a disorder of the central nervous system that is typically marked by progressive cognitive impairment and memory loss. Amyloid β plaque deposition and neurofibrillary tangles with hyperphosphorylated tau are the two hallmark pathologies of AD. In mammalian cells, autophagy clears aberrant protein aggregates, thus maintaining proteostasis as well as neuronal health. Autophagy affects production and metabolism of amyloid β and accumulation of phosphorylated tau proteins, whose malfunction can lead to the progression of AD. On the other hand, defective autophagy has been found to induce the production of the neuroprotective factor fibroblast growth factor 21 (FGF21), although the underlying mechanism is unclear. In this review, we highlight the significance of aberrant autophagy in the pathogenesis of AD, discuss the possible mechanisms by which defective autophagy induces FGF21 production, and analyze the potential of FGF21 in the treatment of AD. The findings provide some insights into the potential role of FGF21 and autophagy in the pathogenesis of AD.
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Affiliation(s)
- Lan Yang
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Jianfei Nao
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang 110004, China.
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32
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Hassan M, Ismail H, Hammam O, Elsayed A, Othman O, Aly Hassan S. Natural inhibitors for acetylcholinesterase and autophagy modulators as effective antagonists for tau and β-amyloid in Alzheimer's rat model. Biomarkers 2023; 28:273-288. [PMID: 36594248 DOI: 10.1080/1354750x.2022.2164617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Background: Phytochemicals have amazing biological effects in relation to age-related illnesses and are increasingly being studied in clinical trials. The goal of this study was to examine the effectiveness of the aqueous extracts of Rosmarinus officinalis L. (Rosemary) and Crocus sativus L. (Saffron) and their combinations as tau and β-amyloid antagonists in an Alzheimer's rat model. Methods: AlCl3 and D-galactose (150 & 300 mg/kg) were used to create the Alzheimer's neuroinflammation rat model. The animals were subsequently given the two extracts and their combinations (500 mg/kg) along 15 days. The cognitive impairment, oxidative stress, tau & amyloid neuroproteins, acetylcholine, acetylcholinesterase neurotransmitters, proinflammatory cytokines, LC3 as an autophagy marker, computational analysis, and morphological alterations were all assessed. Results: When compared to the conventional donepezil and normal groups, the treated groups showed a significant improvement in all calculated parameters. The cortex and hippocampus have a better morphological appearance. In silico analysis found that these extracts may have an affinity for and impede the activity of some proteins thought to be essential regulators of disease progression. Conclusion: Rosemary and Saffron extracts by the power of their constituents were able to alleviate the neurotoxicity of AlCl3 & D-galactose and regulate the natural autophagy process.
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Affiliation(s)
- Mervat Hassan
- Biochemistry Division, Chemistry Department, Faculty of Science, Minia University, Minia, Egypt
| | - Hisham Ismail
- Biochemistry Division, Chemistry Department, Faculty of Science, Minia University, Minia, Egypt
| | - Olfat Hammam
- Pathology Department, Theodor Bilharz Research Institute, Giza, Egypt
| | - Abdullrahman Elsayed
- Pharmacology and Biochemistry Department, Faculty of Pharmacy, British University in Egypt, Al Shorouk City, Egypt
| | - Othman Othman
- Biochemistry Division, Chemistry Department, Faculty of Science, Minia University, Minia, Egypt
| | - Sohair Aly Hassan
- Therapeutic Chemistry Department, Pharmaceutical Industries Research Institute, National Research Center, Cairo, Egypt
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33
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Wu H, Li Y, Zhang Q, Wang H, Xiu W, Xu P, Deng Y, Huang W, Wang DO. Crocetin antagonizes parthanatos in ischemic stroke via inhibiting NOX2 and preserving mitochondrial hexokinase-I. Cell Death Dis 2023; 14:50. [PMID: 36681688 PMCID: PMC9867762 DOI: 10.1038/s41419-023-05581-x] [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] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 01/08/2023] [Accepted: 01/10/2023] [Indexed: 01/22/2023]
Abstract
Parthanatos is one of the major pathways of programmed cell death in ischemic stroke characterized by DNA damage, poly (ADP-ribose) polymerases (PARP) activation, and poly (ADP-ribose) (PAR) formation. Here we demonstrate that crocetin, a natural potent antioxidant compound from Crocus sativus, antagonizes parthanatos in ischemic stroke. We reveal that mechanistically, crocetin inhibits NADPH oxidase 2 (NOX2) activation to reduce reactive oxygen species (ROS) and PAR production at the early stage of parthanatos. Meanwhile we demonstrate that PARylated hexokinase-I (HK-I) is a novel substrate of E3 ligase RNF146 and that crocetin interacts with HK-I to suppress RNF146-mediated HK-I degradation at the later stage of parthanatos, preventing mitochondrial dysfunction and DNA damage that ultimately trigger the irreversible cell death. Our study supports further development of crocetin as a potential drug candidate for preventing and/or treating ischemic stroke.
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Affiliation(s)
- Hao Wu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Ying Li
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Qian Zhang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Hanxun Wang
- College of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Wenyu Xiu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Pu Xu
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Yujie Deng
- Guangzhou National Laboratory, Guangzhou, Guangdong, 510530, China
| | - Wanxu Huang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China.
- The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510700, China.
- State Key Laboratory of New-tech for Chinese Medicine Pharmaceutical Process, Lianyungang, Jiangsu, 222001, China.
| | - Dan Ohtan Wang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China.
- Center for Biosystems Dynamics Research, RIKEN, 2-2-3 Minatojima-Minamimachi, Chuo-Ku, Kobe, Hyogo, 650-0047, Japan.
- Graduate School of Biostudies, Kyoto University, Yoshida Hon-Machi, Kyoto, 606-8501, Japan.
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34
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Ou-Yang P, Cai ZY, Zhang ZH. Molecular Regulation Mechanism of Microglial Autophagy in the Pathology of Alzheimer's Disease. Aging Dis 2023:AD.2023.0106. [PMID: 37163443 PMCID: PMC10389815 DOI: 10.14336/ad.2023.0106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 01/06/2023] [Indexed: 05/12/2023] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder characterized by the progressive accumulation of abnormal protein aggregates, neuronal loss, synaptic dysfunction, and neuroinflammation. Microglia are resident macrophages of the central nervous system (CNS). Evidence has shown that impaired microglial autophagy exerts considerable detrimental impact on the CNS, thus contributing to AD pathogenesis. This review highlights the association between microglial autophagy and AD pathology, with a focus on the inflammatory response, defective clearance, and propagation of Aβ and Tau, and synaptic dysfunction. Mechanistically, several lines of research support the roles of microglial receptors in autophagy regulation during AD. In light of accumulating evidence, a strategy for inducing microglial autophagy has great potential in AD drug development.
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Affiliation(s)
- Pei Ou-Yang
- Shenzhen Key Laboratory of Marine Bioresources and Ecology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Zhi-Yu Cai
- Shenzhen Key Laboratory of Marine Bioresources and Ecology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Zhong-Hao Zhang
- Shenzhen Key Laboratory of Marine Bioresources and Ecology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
- Shenzhen Bay Laboratory, Shenzhen, China
- Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen, China
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35
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Sanaie S, Nikanfar S, Kalekhane ZY, Azizi-Zeinalhajlou A, Sadigh-Eteghad S, Araj-Khodaei M, Ayati MH, Andalib S. Saffron as a promising therapy for diabetes and Alzheimer's disease: mechanistic insights. Metab Brain Dis 2023; 38:137-162. [PMID: 35986812 DOI: 10.1007/s11011-022-01059-5] [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: 03/13/2022] [Accepted: 07/29/2022] [Indexed: 02/03/2023]
Abstract
The prevalence of both Alzheimer's disease (AD) and diabetes mellitus is increasing with the societies' aging and has become an essential social concern worldwide. Accumulation of amyloid plaques and neurofibrillary tangles (NFTs) of tau proteins in the brain are hallmarks of AD. Diabetes is an underlying risk factor for AD. Insulin resistance has been proposed to be involved in amyloid-beta (Aβ) aggregation in the brain. It seems that diabetic conditions can result in AD pathology by setting off a cascade of processes, including inflammation, mitochondrial dysfunction, and ROS and advanced glycation end products (AGEs) synthesis. Due to the several side effects of chemical drugs and their high cost, using herbal medicine has recently attracted attention for the treatment of diabetes and AD. Saffron and its active ingredients have been used for its anti-inflammatory, anti-oxidant, anti-diabetic, and anti-AD properties. Therefore, in the present review paper, we take account of the clinical, in vivo and in vitro evidence regarding the anti-diabetic and anti-AD effects of saffron and discuss the preventive or postponing properties of saffron or its components on AD development via its anti-diabetic effects.
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Affiliation(s)
- Sarvin Sanaie
- Research Center for Integrative Medicine in Aging, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saba Nikanfar
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zahra Yousefi Kalekhane
- Research Center of Psychiatry and Behavioral Sciences, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Psychology, Faculty of Educational Sciences and Psychology, University of Tabriz, Tabriz, Iran
| | - Akbar Azizi-Zeinalhajlou
- Student Research Committee, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
- Physical Medicine and Rehabilitation Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saeed Sadigh-Eteghad
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mostafa Araj-Khodaei
- Research Center for Integrative Medicine in Aging, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Persian Medicine, School of Traditional Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Mohammad Hossein Ayati
- Research Center for Integrative Medicine in Aging, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Traditional Medicine, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Sasan Andalib
- Research Unit of Clinical Physiology and Nuclear Medicine, Department of Clinical Research, Odense University Hospital, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
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36
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Batool Z, Chen JH, Gao Y, Lu LW, Xu H, Liu B, Wang M, Chen F. Natural Carotenoids as Neuroprotective Agents for Alzheimer's Disease: An Evidence-Based Comprehensive Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:15631-15646. [PMID: 36480951 DOI: 10.1021/acs.jafc.2c06206] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder of an ever-increasing aging population with various pathological features such as β-amyloid (Aβ) aggregation, oxidative stress, an impaired cholinergic system, and neuroinflammation. Several therapeutic drugs have been introduced to slow the progression of AD by targeting the above-mentioned pathways. In addition, emerging evidence suggests that naturally occurring compounds have the potential to serve as adjuvant therapies to alleviate AD symptoms. Carotenoids, a group of natural pigments with antioxidative and anti-inflammatory properties, are proposed to be implicated in neuroprotection. To obtain a comprehensive picture of the effect of carotenoids on AD prevention and development, we critically reviewed and discussed recent evidence from in silico, in vitro, in vivo, and human studies in databases including PubMed, Web of Science, Google Scholar, and Cochrane (CENTRAL). After analyzing the existing evidence, we found that high-quality randomized controlled trials (RCTs) are lacking to explore the neuroprotective role of carotenoids in AD pathogenesis and symptoms, especially carotenoids with solid preclinical evidence such as astaxanthin, fucoxanthin, macular carotenoids, and crocin, in order to develop effective preventive dietary supplements for AD patients to ameliorate the symptoms. This review points out directions for future studies to advance the knowledge in this field.
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Affiliation(s)
- Zahra Batool
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518060, China
| | - Jie-Hua Chen
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Yao Gao
- Faculty of Health Sciences, University of Macau, Macau 999078, China
| | - Louise Weiwei Lu
- School of Biological Sciences, Faculty of Science, the University of Auckland 1010, Auckland, New Zealand
| | - Haoxie Xu
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Bin Liu
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Mingfu Wang
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Feng Chen
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
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37
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Zhang W, Chen X, Du Z, Mao X, Gao R, Chen Z, Wang H, Zhang G, Zhang N, Li H, Song Y, Chang L, Wu Y. Knockdown of astrocytic Grin2a exacerbated sleep deprivation-induced cognitive impairments and elevation of amyloid-beta. Sleep Med 2022; 100:280-290. [PMID: 36148760 DOI: 10.1016/j.sleep.2022.08.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 07/19/2022] [Accepted: 08/25/2022] [Indexed: 01/12/2023]
Abstract
Sleep disorders are associated with cognitive impairments, greater amyloid-β (Aβ) burden and increased risk of developing Alzheimer's disease, while the underlying mechanism is unclear. N-methyl-d-aspartate receptors (NMDARs), as vital modulators of cognition, are sensitive to sleep disturbance. Sleep deprivation (SD) could induce the alterations of neuronal NMDAR subunits expression, however the alterations of astrocytic NMDARs in SD have not been reported. Our previous study has demonstrated knockdown of astrocytic Grin2a (gene encoding NMDAR subunit GluN2A) could aggravate Aβ-induced cognitive impairments, but what role astrocytic GluN2A may play in SD is unknown. Here we focused on the changes and roles of hippocampal astrocytic GluN2A in SD. Our results showed SD increased the expression of astrocytic GluN2A. Specific knockdown of hippocampal astrocytic Grin2a aggravated SD-induced cognitive decline, elevated Aβ, and attenuated the SD-induced increase in autophagy flux. Our finding, for the first time, revealed a novel neuroprotective role for astrocytic GluN2A in SD, which may be helpful for developing new preventive and therapeutic targets to sleep disorders.
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Affiliation(s)
- Wanning Zhang
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Xinyue Chen
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Zunshu Du
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Xin Mao
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Ruiqi Gao
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Ziyan Chen
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Hongqi Wang
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Guitao Zhang
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Ning Zhang
- Department of Neuropsychiatry and Behavioral Neurology and Clinical Psychology, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Hui Li
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Yizhi Song
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
| | - Lirong Chang
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China.
| | - Yan Wu
- Department of Anatomy, School of Basic Medical Sciences, Beijing Key Laboratory of Neural Regeneration and Repair, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China.
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Khan SU, Fatima K, Aisha S, Hamza B, Malik F. Redox balance and autophagy regulation in cancer progression and their therapeutic perspective. MEDICAL ONCOLOGY (NORTHWOOD, LONDON, ENGLAND) 2022; 40:12. [PMID: 36352310 DOI: 10.1007/s12032-022-01871-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 09/30/2022] [Indexed: 11/10/2022]
Abstract
Cellular ROS production participates in various cellular functions but its accumulation decides the cell fate. Malignant cells have higher levels of ROS and active antioxidant machinery, a characteristic hallmark of cancer with an outcome of activation of stress-induced pathways like autophagy. Autophagy is an intracellular catabolic process that produces alternative raw materials to meet the energy demand of cells and is influenced by the cellular redox state thus playing a definite role in cancer cell fate. Since damaged mitochondria are the main source of ROS in the cell, however, cancer cells remove them by upregulating the process of mitophagy which is known to play a decisive role in tumorigenesis and tumor progression. Chemotherapy exploits cell machinery which results in the accumulation of toxic levels of ROS in cells resulting in cell death by activating either of the pathways like apoptosis, necrosis, ferroptosis or autophagy in them. So understanding these redox and autophagy regulations offers a promising method to design and develop new cancer therapies that can be very effective and durable for years. This review will give a summary of the current therapeutic molecules targeting redox regulation and autophagy for the treatment of cancer. Further, it will highlight various challenges in developing anticancer agents due to autophagy and ROS regulation in the cell and insights into the development of future therapies.
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Affiliation(s)
- Sameer Ullah Khan
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar, Srinagar, 190005, Jammu and Kashmir, India.
- Academy of Scientific and Innovative Research (AcSIR), Sanat Nagar, Ghaziabad, 201002, India.
| | - Kaneez Fatima
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar, Srinagar, 190005, Jammu and Kashmir, India
- Academy of Scientific and Innovative Research (AcSIR), Sanat Nagar, Ghaziabad, 201002, India
| | - Shariqa Aisha
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar, Srinagar, 190005, Jammu and Kashmir, India
| | - Baseerat Hamza
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar, Srinagar, 190005, Jammu and Kashmir, India
| | - Fayaz Malik
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar, Srinagar, 190005, Jammu and Kashmir, India.
- Academy of Scientific and Innovative Research (AcSIR), Sanat Nagar, Ghaziabad, 201002, India.
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Zhu R, Lei Y, Shi F, Tian Q, Zhou X. Arginine Reduces Glycation in γ 2 Subunit of AMPK and Pathologies in Alzheimer's Disease Model Mice. Cells 2022; 11:3520. [PMID: 36359916 PMCID: PMC9655994 DOI: 10.3390/cells11213520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 10/21/2022] [Accepted: 10/24/2022] [Indexed: 09/14/2023] Open
Abstract
UNLABELLED The metabolism disorders are a common convergence of Alzheimer's disease (AD) and type 2 diabetes mellitus (T2DM). The characteristics of AD are senile plaques and neurofibrillary tangles (NFTs) composed by deposits of amyloid-β (Aβ) and phosphorylated tau, respectively. Advanced glycation end-products (AGEs) are a stable modification of proteins by non-enzymatic reactions, which could result in the protein dysfunction. AGEs are associated with some disease developments, such as diabetes mellitus and AD, but the effects of the glycated γ2 subunit of AMPK on its activity and the roles in AD onset are unknown. METHODS We studied the effect of glycated γ2 subunit of AMPK on its activity in N2a cells. In 3 × Tg mice, we administrated L-arginine once every two days for 45 days and evaluated the glycation level of γ2 subunit and function of AMPK and alternation of pathologies. RESULTS The glycation level of γ2 subunit was significantly elevated in 3 × Tg mice as compared with control mice, meanwhile, the level of pT172-AMPK was obviously lower in 3 × Tg mice than that in control mice. Moreover, we found that arginine protects the γ2 subunit of AMPK from glycation, preserves AMPK function, and improves pathologies and cognitive deficits in 3 × Tg mice. CONCLUSIONS Arginine treatment decreases glycated γ2 subunit of AMPK and increases p-AMPK levels in 3 × Tg mice, suggesting that reduced glycation of the γ2 subunit could ameliorate AMPK function and become a new target for AD therapy in the future.
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Affiliation(s)
| | | | | | - Qing Tian
- Key Laboratory of Neurological Disease of Education Ministry, Department of Pathophysiology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xinwen Zhou
- Key Laboratory of Neurological Disease of Education Ministry, Department of Pathophysiology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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Yan K, Hou T, Zhu L, Ci X, Peng L. PM2.5 inhibits system Xc- activity to induce ferroptosis by activating the AMPK-Beclin1 pathway in acute lung injury. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 245:114083. [PMID: 36137421 DOI: 10.1016/j.ecoenv.2022.114083] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/08/2022] [Accepted: 09/12/2022] [Indexed: 06/16/2023]
Abstract
Urban airborne fine particulate matter (PM2.5) is a global pollution source that has been strongly related to multiple respiratory diseases involving various types of regulated cell death (RCD). However, the role of ferroptosis, a novel form of RCD, in PM2.5-induced acute lung injury (ALI), has not been elucidated. Herein, we define the role and mechanism of ferroptosis in a PM2.5-induced ALI model. First, we demonstrated that lipid peroxidation and iron accumulation were significantly enhanced in ALI models and were accompanied by activation of the AMP-activated protein kinase (AMPK)-Beclin1 signaling pathway and inhibition of the key subunit SLC7A11 of System Xc-. However, these abnormalities were partially reversed by ferroptosis inhibitors. We further revealed that Beclin1 knockdown or overexpression ameliorated or exacerbated PM2.5-induced ferroptosis, respectively. Mechanistically, we verified that Beclin1 blocks System Xc- activity to trigger ferroptosis by directly binding to SLC7A11. Finally, knockdown of Beclin1 by AAV-shRNA or inhibition of AMPK, an upstream activator of Beclin1, ameliorated PM2.5-induced ferroptosis and ALI. Taken together, our results revealed that ferroptosis plays a novel role in PM2.5-induced ALI and elucidated the specific mechanism involving the AMPK-Beclin1 pathway and System Xc-, which may provide new insight into the toxicological effects of PM2.5 on respiratory problems.
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Affiliation(s)
- Kun Yan
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, China
| | - Tianhua Hou
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, China
| | - Laiyu Zhu
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China
| | - Xinxin Ci
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China.
| | - Liping Peng
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, China.
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Effects on Autophagy of Moxibustion at Governor Vessel Acupoints in APP/PS1double-Transgenic Alzheimer's Disease Mice through the lncRNA Six3os1/miR-511-3p/AKT3 Molecular Axis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:3881962. [PMID: 36248429 PMCID: PMC9556209 DOI: 10.1155/2022/3881962] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/22/2022] [Indexed: 12/03/2022]
Abstract
OBJECTIVE To explore the effect and mechanism of moxibustion at acupoints of the governor vessel on lncRNA Six3os1 in amyloid precursor protein/presenilin1 (APP/PS1) double-transgenic Alzheimer's disease (AD) mice. METHODS Twenty-four specific pathogen-free and APP/PS1 double-transgenic male mice were randomly allocated into the AD model and moxibustion groups, with 12 cases in each group. Twelve syngeneic C57BL/6J mice were selected as the control group. Mice in the moxibustion group received aconite cake-separated moxibustion at the Baihui acupoint. Suspension moxibustion was applied at Fengfu and Dazhui for 15 minutes each day. All treatments were conducted over two weeks. Control and AD model mice were routinely fed without any intervention. Behavioral observation tests were conducted before and after the intervention. The autophagosome in the hippocampus was observed using transmission electron microscopy. Immunohistochemistry was performed to detect Aβ1-42 expression. LC3B and P62 expressions were evaluated by immunofluorescence. The expression levels of the lncRNAs Six3os1, miR-511-3p, and AKT3 were detected by qRT-PCR. The differential expression of PI-3K, AKT3, mTOR, LC3B-II/I, and P62 proteins in the hippocampus was detected by western blot. The dual-luciferase assay was undertaken to examine the targeting relationships of the lncRNAs Six3os1, miR-511-3p, and AKT3. RESULTS Compared with the control group, the AD model showed higher escape latency in the Morris Water Maze and reduced autophagic vacuoles in the cytoplasm of hippocampal neurons (both p < 0.01). Compared with the control group, the AD model showed higher expression of Aβ1-42, the lncRNAs Six3os1, PI-3K, mTOR, P62, and AKT3 protein (all p < 0.01); but lower mir-511-3p and LC3B (both p < 0.01). Compared with the AD model group, the moxibustion group had a shorter escape latency, more autophagic bubbles in the hippocampus, and lower expression of positive Aβ1-42, the lncRNAs Six3os1, PI-3K, mTOR, P62, and AKT3 protein (all p < 0.01). In contrast, the levels of miR-511-3p and LC3B proteins were considerably increased in the moxibustion group compared to the AD model group (both p < 0.01). Based on the dual-luciferase assay, there was a targeting link among the lncRNAs Six3os1, miR-511-3p, and AKT3. CONCLUSION Moxibustion at acupoints of the governor vessel can suppress the lncRNA Six3os1 expression, promote cell autophagy, accelerate Aβ1-42 clearance and alleviate cognitive dysfunction of AD mediated by the PI3K/AKT/mTOR signaling pathway through the lncRNA Six3os1/miR-511-3p/AKT3 axis.
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Yang J, Song H, Hao X. Whole-transcriptome sequencing data reveals a disparate cognitive and immune signature in COVID-19 patients with and without dementia. J Med Virol 2022; 95:e28177. [PMID: 36168207 PMCID: PMC9538945 DOI: 10.1002/jmv.28177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/24/2022] [Accepted: 09/24/2022] [Indexed: 01/11/2023]
Abstract
The coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has caused more than 6.3 million deaths worldwide. Recent evidence has indicated that elderly people with dementia are particularly vulnerable to COVID-19 and severe disease outcomes. However, its molecular mechanism remains largely unknown. Here, we retrieved frontal cortex samples of COVID-19 patients from the Gene Expression Omnibus database and performed a systematic transcriptomic analysis to compare COVID-19 patients and controls with or without dementia. In nondemented patients, SARS-CoV-2 infection obviously activated T helper type 2 (Th2) cell-mediated humoral immunity and reduced the pathogenesis of dementia-related Alzheimer's disease and Parkinson's disease. In demented patients, conversely, SARS-CoV-2 infection significantly increased T helper type 1 (Th1) cell-mediated cellular immunity and exacerbated the progression of dementia-related diseases. We further analyzed the molecular characteristics of COVID-19 patients with and without dementia. Compared with nondemented COVID-19 patients, demented COVID-19 patients showed decreased enrichment scores of Calcium signaling pathway, Neuroactive ligand-receptor interaction, ABC transporters, and Peroxisome, and increased enrichment scores of Olfactory transduction and Regulation of autophagy. The ratio of Th1/Th2 cells was significantly increased from 1.17 in nondemented COVID-19 patients to 33.32 in demented COVID-19 patients. Taken together, our findings provide transcriptomic evidence that COVID-19 has distinct influences on cognitive function and immune response in patients with and without dementia.
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Affiliation(s)
- Jue Yang
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang & State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of SciencesShanghaiChina,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China & Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou ProvinceGuizhou Medical UniversityGuiyangChina
| | - Hui Song
- The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China & Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou ProvinceGuizhou Medical UniversityGuiyangChina
| | - Xiaojiang Hao
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang & State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of SciencesShanghaiChina,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academic of Sciences, Guiyang, China & Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou ProvinceGuizhou Medical UniversityGuiyangChina
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Dogra A, Kour D, Bhardwaj M, Dhiman S, Kumar A, Vij B, Kumar A, Nandi U. Glabridin Plays Dual Action to Augment the Efficacy and Attenuate the Hepatotoxicity of Methotrexate in Arthritic Rats. ACS OMEGA 2022; 7:34341-34351. [PMID: 36188236 PMCID: PMC9520544 DOI: 10.1021/acsomega.2c03948] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 09/02/2022] [Indexed: 06/16/2023]
Abstract
Glabridin is chemically an isoflavane class of natural phenols and is found mainly in the roots of Glycyrrhiza glabra. It has several beneficial pharmacological actions for the management of inflammatory disorders as well as can counteract drug-induced toxic effects. On the other hand, methotrexate (MTX) is the first-line disease-modifying antirheumatic drug for the treatment of rheumatoid arthritis. However, its treatment is associated with major side effects like hepatotoxicity. In the quest to explore a suitable combination therapy that can improve the efficacy and reduce the hepatotoxicity of MTX, we hypothesized that glabridin might serve the purpose for which there is no literature precedent to date. We explored the antiarthritic efficacy of MTX in the presence or the absence of glabridin using Mycobacterium-induced arthritic model in rats. The results of reduction in paw swelling, inhibition of serum cytokines (TNF-α, IL-6, and IL-1β), and improvement in the bone joints from radiological and histopathological findings suggest that glabridin can substantially augment the antiarthritic efficacy of MTX. Further, results of concomitant glabridin treatment with MTX in the experimental time frame demonstrate that glabridin could considerably prevent the MTX-induced hepatic alteration in serum biochemical markers (SGPT and SGOT) and oxidative stress markers (malondialdehyde (MDA) and glutathione reduced (GSH)). Moreover, glabridin showed a marked effect in impeding the regulation of NF-κB/IκBα and Nrf2/Keap1 pathways in the hepatic tissues. The results of simultaneous administration of glabridin with MTX in the rat model indicate that glabridin had no pronounced effect of causing severe alteration in the pharmacokinetic behavior of MTX. In summary, glabridin can significantly potentiate the antiarthritic efficacy of MTX and can also minimize its hepatotoxicity via the inhibition of inflammation and oxidative stress. Further research should be performed to develop glabridin as a phytotherapeutics for the improved efficacy and better tolerability of MTX at the reduced dose level of MTX.
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Affiliation(s)
- Ashish Dogra
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Dilpreet Kour
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Mahir Bhardwaj
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sumit Dhiman
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Amit Kumar
- Natural
Product and Medicinal Chemistry (NPMC) Division, Council of Scientific and Industrial Research (CSIR)-Indian Institute
of Integrative Medicine, Jammu 180001, India
| | - Bhavna Vij
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
| | - Ajay Kumar
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Utpal Nandi
- PK-PD
Toxicology (PPT) Division, CSIR-Indian Institute
of Integrative Medicine, Jammu 180001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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Gao Y, Wang C, Jiang D, An G, Jin F, Zhang J, Han G, Cui C, Jiang P. New insights into the interplay between autophagy and oxidative and endoplasmic reticulum stress in neuronal cell death and survival. Front Cell Dev Biol 2022; 10:994037. [PMID: 36187470 PMCID: PMC9524158 DOI: 10.3389/fcell.2022.994037] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 08/30/2022] [Indexed: 12/03/2022] Open
Abstract
Autophagy is a dynamic process that maintains the normal homeostasis of cells by digesting and degrading aging proteins and damaged organelles. The effect of autophagy on neural tissue is still a matter of debate. Some authors suggest that autophagy has a protective effect on nerve cells, whereas others suggest that autophagy also induces the death of nerve cells and aggravates nerve injury. In mammals, oxidative stress, autophagy and endoplasmic reticulum stress (ERS) constitute important defense mechanisms to help cells adapt to and survive the stress conditions caused by physiological and pathological stimuli. Under many pathophysiological conditions, oxidative stress, autophagy and ERS are integrated and amplified in cells to promote the progress of diseases. Over the past few decades, oxidative stress, autophagy and ERS and their interactions have been a hot topic in biomedical research. In this review, we summarize recent advances in understanding the interactions between oxidative stress, autophagy and ERS in neuronal cell death and survival.
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Affiliation(s)
- Yahao Gao
- Clinical Medical School, Jining Medical University, Jining, China
| | - Changshui Wang
- Department of Neurosurgery, Affiliated Hospital of Jining Medical University, Jining, China
| | - Di Jiang
- Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Gang An
- Clinical Medical School, Jining Medical University, Jining, China
| | - Feng Jin
- Department of Neurosurgery, Affiliated Hospital of Jining Medical University, Jining, China
| | - Junchen Zhang
- Department of Neurosurgery, Affiliated Hospital of Jining Medical University, Jining, China
| | - Guangkui Han
- Department of Neurosurgery, Affiliated Hospital of Jining Medical University, Jining, China
| | - Changmeng Cui
- Department of Neurosurgery, Affiliated Hospital of Jining Medical University, Jining, China
- *Correspondence: Changmeng Cui, ; Pei Jiang,
| | - Pei Jiang
- Department of Clinical Pharmacy, Jining First People’s Hospital, Jining Medical University, Jining, China
- *Correspondence: Changmeng Cui, ; Pei Jiang,
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Liu Z, Shao J, Lai S, Wang J, Zhao K, Tang T, Wang M. The Use of Metabolomics as a Tool to Compare the Regulatory Mechanisms in the Cecum, Ileum, and Jejunum in Healthy Rabbits and with Diarrhea. Animals (Basel) 2022; 12:ani12182438. [PMID: 36139297 PMCID: PMC9495174 DOI: 10.3390/ani12182438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 12/02/2022] Open
Abstract
Simple Summary The problems caused by antibiotic abuse have swept the world, and the Chinese government has responded to calls for a comprehensive ban on antibiotics. However, not using antibiotics also challenges China’s existing livestock industry. Based on this, we carried out a nontargeted metabolomics analysis of the jejunum, ileum, and cecum of diarrhea rabbits and normal rabbits fed with antibiotic-free diets, respectively, to find out the mechanism of action of each intestinal segment group and between different intestinal segments. The screened differential metabolites were mostly related to intestinal barrier, intestinal inflammation, and autophagy after a KEGG (Kyoto Encyclopedia of Genes and Genomes) analysis. In this paper, we analyzed the metabolic pathways that were significantly different between different intestinal segments and illustrated the mechanism and potential connections of the screened differential metabolites in different intestinal segments in the form of charts. Abstract For many years, antibiotics in feed have been an effective and economical means to promote growth and disease resistance in livestock production. However, the rampant abuse of antibiotics has also brought very serious harm to human health and the environment. Therefore, the Chinese government promulgated laws and regulations on 1 July 2020, to prohibit the use of antibiotics in feed. To improve the effect of antibiotic-free feeding on China’s existing rabbit industry, we used the nontargeted metabolomics method to detect the differences between diarrhea rabbits (Dia) and normal rabbits (Con) on an antibiotic-free diet. A total of 1902 different metabolites were identified. A KEGG analysis showed that in the cecum, metabolites were mainly concentrated in bile secretion, antifolate resistance, aldosterone synthesis, and secretion pathways. The ileal metabolites were mainly concentrated in tyrosine metabolism, phenylalanine, tyrosine and tryptophan biosynthesis, steroid hormone biosynthesis, alanine, aspartate, and glutamate metabolism. The metabolites in the jejunum were mainly rich in panquinone and other terpenoid compound quinone biosynthesis, AMPK (adenosine 5′-monophosphate (AMP)-activated protein kinase) signal, inositol phosphate metabolism, and pentose phosphate pathway. After a deep excavation of the discovered differential metabolites and metabolic pathways with large differences between groups, it was found that these metabolic pathways mainly involved intestinal inflammation, intestinal barrier, and autophagy. The results showed that panquinone and other terpenoids could increase AMPK activity to promote cell metabolism and autophagy, thus trying to prevent inflammation and alleviate intestinal disease symptoms. In addition, we discussed the possible reasons for the changes in the levels of seven intestinal endogenous metabolites in rabbits in the diarrhea group. The possibility of improving diarrhea by adding amino acids to feed was discussed. In addition, the intermediate products produced by the pentose phosphate pathway and coenzyme Q had a positive effect on steroid hormone biosynthesis to combat intestinal inflammation.
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Affiliation(s)
- Zheliang Liu
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Jiahao Shao
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Songjia Lai
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Chengdu Campus, Sichuan Agricultural University, Chengdu 611130, China
- Correspondence:
| | - Jie Wang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Kaisen Zhao
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Tao Tang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Meigui Wang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
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Carotenoids in Drug Discovery and Medicine: Pathways and Molecular Targets Implicated in Human Diseases. Molecules 2022; 27:molecules27186005. [PMID: 36144741 PMCID: PMC9503763 DOI: 10.3390/molecules27186005] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/01/2022] [Accepted: 09/12/2022] [Indexed: 11/23/2022] Open
Abstract
Carotenoids are isoprenoid-derived natural products produced in plants, algae, fungi, and photosynthetic bacteria. Most animals cannot synthesize carotenoids because the biosynthetic machinery to create carotenoids de novo is absent in animals, except arthropods. Carotenoids are biosynthesized from two C20 geranylgeranyl pyrophosphate (GGPP) molecules made from isopentenyl pyrophosphate (IPP) and dimethylallyl pyrophosphate (DMAPP) via the methylerythritol 4-phosphate (MEP) route. Carotenoids can be extracted by a variety of methods, including maceration, Soxhlet extraction, supercritical fluid extraction (SFE), microwave-assisted extraction (MAE), accelerated solvent extraction (ASE), ultrasound-assisted extraction (UAE), pulsed electric field (PEF)-assisted extraction, and enzyme-assisted extraction (EAE). Carotenoids have been reported to exert various biochemical actions, including the inhibition of the Akt/mTOR, Bcl-2, SAPK/JNK, JAK/STAT, MAPK, Nrf2/Keap1, and NF-κB signaling pathways and the ability to increase cholesterol efflux to HDL. Carotenoids are absorbed in the intestine. A handful of carotenoids and carotenoid-based compounds are in clinical trials, while some are currently used as medicines. The application of metabolic engineering techniques for carotenoid production, whole-genome sequencing, and the use of plants as cell factories to produce specialty carotenoids presents a promising future for carotenoid research. In this review, we discussed the biosynthesis and extraction of carotenoids, the roles of carotenoids in human health, the metabolism of carotenoids, and carotenoids as a source of drugs and supplements.
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Around-the-Clock Noise Induces AD-like Neuropathology by Disrupting Autophagy Flux Homeostasis. Cells 2022; 11:cells11172742. [PMID: 36078149 PMCID: PMC9454913 DOI: 10.3390/cells11172742] [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: 07/28/2022] [Revised: 08/18/2022] [Accepted: 08/24/2022] [Indexed: 01/18/2023] Open
Abstract
Environmental noise is a common hazard in military operations. Military service members during long operations are often exposed to around-the-clock noise and suffer massive emotional and cognitive dysfunction related to an Alzheimer’s disease (AD)-like neuropathology. It is essential to clarify the mechanisms underlying the effects of around-the-clock noise exposure on the central nervous system. Here, Wistar rats were continuously exposed to white noise (95 dB during the on-duty phase [8:00–16:00] and 75 dB during the off-duty phase (16:00–8:00 the next day)) for 40 days. The levels of phosphorylated tau, amyloid-β (Aβ), and neuroinflammation in the cortex and hippocampus were assessed and autophagosome (AP) aggregation was observed by transmission electron microscopy. Dyshomeostasis of autophagic flux resulting from around-the-clock noise exposure was assessed at different stages to investigate the potential pathological mechanisms. Around-the-clock noise significantly increased Aβ peptide, tau phosphorylation at Ser396 and Ser404, and neuroinflammation. Moreover, the AMPK-mTOR signaling pathway was depressed in the cortex and the hippocampus of rats exposed to around-the-clock noise. Consequently, autophagosome–lysosome fusion was deterred and resulted in AP accumulation. Our results indicate that around-the-clock noise exposure has detrimental influences on autophagic flux homeostasis and may be associated with AD-like neuropathology in the cortex and the hippocampus.
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Zhang P, Maimaiti Z, Aili G, Yuan F, Xiao H. Vitis vinifera L. Flavones Regulate Hippocampal Neurons via Autophagy in APP/PS1 Alzheimer Model Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2022; 2022:8554184. [PMID: 36091589 PMCID: PMC9458394 DOI: 10.1155/2022/8554184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/01/2022] [Accepted: 08/05/2022] [Indexed: 11/17/2022]
Abstract
Background Alzheimer's disease (AD) is a neurodegenerative disease and our current treatment approach can only delay its course rather than cure it completely. Flavones from Vitis vinifera L. have been reported to promote synaptic plasticity and indirectly affect the expression of cholinergic neurotransmitters in a rat model of Alzheimer's disease. Objective The aim of the study is to explore the effect of Vitis vinifera L. in APP/PS1 Alzheimer model mice. Methods APP/PS1 AD mice were used as the research subjects, and the mice were divided into a model group, donepezil group, VTF low-dose group, VTF medium-dose group, and VTF high-dose group. C57BL/6 mice served as a control group. The autophagosomes were observed by a transmission electron microscope, and the expressions of LC3I, LC3IIand Beclin-1 were determined by Western blotting. The results of qRT-PCR are consistent with Western blotting. Results VTF can exert a positive regulatory effect on AD mice by inhibiting autophagy. Conclusion Our study supports that intragastrically administration of VTF is effective and operable in Alzheimer's disease mice, and that inhibition of excessive autophagy may be one of the potential reasons why VTF exerts a therapeutic effect on AD.
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Affiliation(s)
- Peng Zhang
- College of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Znafuguli Maimaiti
- College of Basic Medical, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Gulixiati Aili
- College of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Fang Yuan
- College of Basic Medical, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Hui Xiao
- College of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
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Shahbaz K, Chang D, Zhou X, Low M, Seto SW, Li CG. Crocins for Ischemic Stroke: A Review of Current Evidence. Front Pharmacol 2022; 13:825842. [PMID: 35991882 PMCID: PMC9388830 DOI: 10.3389/fphar.2022.825842] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 04/28/2022] [Indexed: 11/13/2022] Open
Abstract
Crocins (CRs) and the related active constituents derived from Crocus sativus L. (Saffron) have demonstrated protective effects against cerebral ischemia and ischemic stroke, with various bioactivities including neuroprotection, anti-neuroinflammation, antioxidant, and cardiovascular protection. Among CRs, crocin (CR) has been shown to act on multiple mechanisms and signaling pathways involved in ischemic stroke, including mitochondrial apoptosis, nuclear factor kappa light chain enhancer of B cells pathway, S100 calcium-binding protein B, interleukin-6 and vascular endothelial growth factor-A. CR is generally safe and well-tolerated. Pharmacokinetic studies indicate that CR has poor bioavailability and needs to convert to crocetin (CC) in order to cross the blood-brain barrier. Clinical studies have shown the efficacy of saffron and CR in treating various conditions, including metabolic syndrome, depression, Alzheimer’s disease, and coronary artery disease. There is evidence supporting CR as a treatment for ischemic stroke, although further studies are needed to confirm their efficacy and safety in clinical settings.
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Affiliation(s)
- Kiran Shahbaz
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
- *Correspondence: Kiran Shahbaz, ; Chung Guang Li,
| | - Dennis Chang
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Xian Zhou
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Mitchell Low
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Sai Wang Seto
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
- Reserach Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China
| | - Chung Guang Li
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
- *Correspondence: Kiran Shahbaz, ; Chung Guang Li,
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Khan SU, Fatima K, Malik F. Understanding the cell survival mechanism of anoikis-resistant cancer cells during different steps of metastasis. Clin Exp Metastasis 2022; 39:715-726. [PMID: 35829806 DOI: 10.1007/s10585-022-10172-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 05/25/2022] [Indexed: 11/26/2022]
Abstract
Anchorage-independent survival of cancer cells is associated with metastasis as it enables cells to travel to secondary target sites. Tissue integrity is generally maintained by detachment-induced cell death called 'anoikis', but cancer cells undergoing the multistep metastatic process show resistance to anoikis. Anoikis resistance enables these cells to survive through the extracellular matrix (ECM) deprived phase, which starts when cancer cells detach and move into the circulation till cells reach to the secondary target site. Comprehensive analysis of the molecular and functional biology of anoikis resistance in cancer cells will provide crucial details about cancer metastasis, enabling us to identify novel therapeutic targets against cancer cell dissemination and ultimately secondary tumor formation. This review broadly summarizes recent advances in the understanding of cellular and molecular events leading to anoikis and anoikis resistance. It further elaborates more about the signaling cross-talk in anoikis resistance and its regulation during metastasis.
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Affiliation(s)
- Sameer Ullah Khan
- Department of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar, 190005, Srinagar, Jammu and Kashmir, India
- Academy of Scientific and Innovative Research (AcSIR), 201002, Ghaziabad, India
| | - Kaneez Fatima
- Department of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar, 190005, Srinagar, Jammu and Kashmir, India
- Academy of Scientific and Innovative Research (AcSIR), 201002, Ghaziabad, India
| | - Fayaz Malik
- Department of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Sanat Nagar, 190005, Srinagar, Jammu and Kashmir, India.
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