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Zhang K, Zhao C, Liu K, Feng R, Zhao Y, Zong Y, Du R. Oral Administration of Deer Bone Collagen Peptide Can Enhance the Skin Hydration Ability and Antioxidant Ability of Aging Mice Induced by D-Gal, and Regulate the Synthesis and Degradation of Collagen. Nutrients 2024; 16:1548. [PMID: 38892482 PMCID: PMC11174718 DOI: 10.3390/nu16111548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/18/2024] [Accepted: 05/20/2024] [Indexed: 06/21/2024] Open
Abstract
Skin problems caused by aging have attracted much attention, and marine collagen peptides have been proved to improve these problems, while mammalian collagen peptides are rarely reported. In this study, fermented deer bone collagen peptide (FCP) and non-fermented deer bone collagen peptide (NCP) were extracted from fermented and non-fermented deer bone, respectively, and their peptide sequences and differential proteins were analyzed using LC-MS/MS technology. After they were applied to aging mice induced with D-gal, the skin hydration ability, antioxidant ability, collagen synthesis, and degradation ability of the mice were studied. The results show that FCP and NCP are mainly peptides that constitute type Ⅰ collagen, and their peptide segments are different. In vivo experiments show that FCP and NCP can improve the richness of collagen fibers in the skin of aging mice; improve the hydration ability of skin; promote the activity of antioxidant-related enzymes; and also show that through the TGF-β and MAPK pathways, the synthesis and degradation of collagen in skin are regulated. These results show that deer bone collagen peptide can improve skin problems caused by aging, promote skin hydration and antioxidant capacity of aging mice, and regulate collagen synthesis and degradation through the MAPK pathway.
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Affiliation(s)
- Ke Zhang
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (K.Z.); (C.Z.); (K.L.); (R.F.); (Y.Z.)
| | - Chenxu Zhao
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (K.Z.); (C.Z.); (K.L.); (R.F.); (Y.Z.)
| | - Kaiyue Liu
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (K.Z.); (C.Z.); (K.L.); (R.F.); (Y.Z.)
| | - Ruyi Feng
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (K.Z.); (C.Z.); (K.L.); (R.F.); (Y.Z.)
| | - Yan Zhao
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (K.Z.); (C.Z.); (K.L.); (R.F.); (Y.Z.)
- Jilin Provincial Engineering Research Center for Efficient Breeding and Product Development of Sika Deer, Jilin Agricultural University, Changchun 130118, China
| | - Ying Zong
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (K.Z.); (C.Z.); (K.L.); (R.F.); (Y.Z.)
- Jilin Provincial Engineering Research Center for Efficient Breeding and Product Development of Sika Deer, Jilin Agricultural University, Changchun 130118, China
| | - Rui Du
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China; (K.Z.); (C.Z.); (K.L.); (R.F.); (Y.Z.)
- Jilin Provincial Engineering Research Center for Efficient Breeding and Product Development of Sika Deer, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality and Safety, Ministry of Education, Jilin Agricultural University, Changchun 130118, China
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García-Trejo SS, Gómez-Sierra T, Eugenio-Pérez D, Medina-Campos ON, Pedraza-Chaverri J. Protective Effect of Curcumin on D-Galactose-Induced Senescence and Oxidative Stress in LLC-PK1 and HK-2 Cells. Antioxidants (Basel) 2024; 13:415. [PMID: 38671863 PMCID: PMC11047423 DOI: 10.3390/antiox13040415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
D-galactose has been widely used as an inducer of cellular senescence and pathophysiological processes related to aging because it induces oxidative stress. On the other hand, the consumption of antioxidants such as curcumin can be an effective strategy to prevent phenotypes related to the enhanced production of reactive oxygen species (ROS), such as aging and senescence. This study aimed to evaluate the potential protective effect of curcumin on senescence and oxidative stress and endoplasmic reticulum stress induced by D-galactose treatment in Lilly Laboratories Culture-Porcine Kidney 1 (LLC-PK1) and human kidney 2 (HK-2) proximal tubule cell lines from pig and human, respectively. For senescence induction, cells were treated with 300 mM D-galactose for 120 h and, to evaluate the protective effect of the antioxidant, cells were treated with 5 µM curcumin for 24 h and subsequently treated with curcumin + D-galactose for 120 h. In LLC-PK1 cells, curcumin treatment decreased by 20% the number of cells positive for senescence-associated (SA)-β-D-galactosidase staining and by 25% the expression of 8-hydroxy-2'-deoxyguanosine (8-OHdG) and increased by 40% lamin B1 expression. In HK-2 cells, curcumin treatment increased by 60% the expression of proliferating cell nuclear antigen (PCNA, 50% Klotho levels, and 175% catalase activity. In both cell lines, this antioxidant decreased the production of ROS (20% decrease for LLC-PK1 and 10 to 20% for HK-2). These data suggest that curcumin treatment has a moderate protective effect on D-galactose-induced senescence in LLC-PK1 and HK-2 cells.
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Affiliation(s)
| | | | | | | | - José Pedraza-Chaverri
- Department of Biology, Faculty of Chemistry, National Autonomous University of Mexico (UNAM), Mexico City 04510, Mexico; (S.S.G.-T.); (T.G.-S.); (D.E.-P.); (O.N.M.-C.)
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Cai J, Li Y, Zhao B, Bao Z, Li J, Sun S, Chen Y, Wu X. N-Acetylcysteine Alleviates D-Galactose-Induced Injury of Ovarian Granulosa Cells in Female Rabbits by Regulating the PI3K/Akt/mTOR Signaling Pathway. Antioxidants (Basel) 2024; 13:384. [PMID: 38671832 PMCID: PMC11047383 DOI: 10.3390/antiox13040384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 03/15/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
The ovary plays a crucial role in the reproductive system of female animals. Ovarian problems such as ovarian insufficiency, premature aging, polycystic ovary syndrome, and ovarian cysts may lead to ovulation disorders, abnormal hormone secretion, or luteal dysfunction, thereby increasing the risk of infertility and abortion. Only when the ovarian function and other organs in the reproductive system remain healthy and work normally can female animals be ensured to carry out reproductive activities regularly, improve the pregnancy rate and litter size, promote the healthy development of the fetus, and then improve their economic value. The follicle, as the functional unit of the ovary, is composed of theca cells, granulosa cells (GCs), and oocytes. GCs are the largest cell population and main functional unit in follicles and provide the necessary nutrients for the growth and development of follicles. N-acetylcysteine (NAC) is a prevalent and cell-permeable antioxidant molecule that effectively prevents apoptosis and promotes cellular survival. Over the past few years, its function in boosting reproductive performance in animals at the cellular level has been widely acknowledged. However, its specific role and mechanism in influencing GCs is yet to be fully understood. The objective of this study was to examine the effects of NAC on ovarian damage in female rabbits. For this purpose, D-galactose (D-gal) was first used to establish a model of damaged GCs, with exposure to 1.5 mg/mL of D-gal leading to substantial damage. Subsequently, varying concentrations of NAC were introduced to determine the precise mechanism through which it influences cell damage. Based on the results of the Cell Counting Kit-8 assay, flow cytometry, and Western blotting, it was found that 0.5 mg/mL of NAC could significantly suppress cell apoptosis and promote proliferation. In particular, it decreased the expression levels of Bax, p53, and Caspase-9 genes, while concurrently upregulating the expression of the BCL-2 gene. Moreover, NAC was found to alleviate intracellular oxidative stress, suppress the discharge of mitochondrial Cytochrome c, and boost the enzymatic activities of CAT (Catalase), GSH (Glutathione), and SOD (Superoxide dismutase). RNA sequencing analysis subsequently underscored the critical role of the PI3K/Akt/mTOR pathway in governing proliferation and apoptosis within GCs. These findings demonstrated that NAC could significantly influence gene expression within this pathway, thereby clarifying the exact relationship between the PI3K/Akt/mTOR signaling cascade and the underlying cellular processes controlling proliferation and apoptosis. In conclusion, NAC can reduce the expression of Bax, p53, and Caspase-9 genes, inhibit the apoptosis of GCs, improve cell viability, and resist D-gal-induced oxidative stress by increasing the activity of CAT, GSH, and SOD. The molecular mechanism of NAC in alleviating D-gal-induced ovarian GC injury in female rabbits by regulating the PI3K/Akt/mTOR signaling pathway provides experimental evidence for the effect of NAC on animal reproductive function at the cellular level.
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Affiliation(s)
- Jiawei Cai
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; (J.C.); (Y.L.); (B.Z.); (Z.B.); (J.L.); (S.S.)
| | - Yunpeng Li
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; (J.C.); (Y.L.); (B.Z.); (Z.B.); (J.L.); (S.S.)
| | - Bohao Zhao
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; (J.C.); (Y.L.); (B.Z.); (Z.B.); (J.L.); (S.S.)
| | - Zhiyuan Bao
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; (J.C.); (Y.L.); (B.Z.); (Z.B.); (J.L.); (S.S.)
| | - Jiali Li
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; (J.C.); (Y.L.); (B.Z.); (Z.B.); (J.L.); (S.S.)
| | - Shaoning Sun
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; (J.C.); (Y.L.); (B.Z.); (Z.B.); (J.L.); (S.S.)
| | - Yang Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; (J.C.); (Y.L.); (B.Z.); (Z.B.); (J.L.); (S.S.)
| | - Xinsheng Wu
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; (J.C.); (Y.L.); (B.Z.); (Z.B.); (J.L.); (S.S.)
- Joint International Research Laboratory of Agriculture & Agri-Product Safety, Yangzhou University, Yangzhou 225009, China
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Rochín-Hernández LJ, Rochín-Hernández LS, Padilla-Cristerna ML, Duarte-García A, Jiménez-Acosta MA, Figueroa-Corona MP, Meraz-Ríos MA. Mesenchymal Stem Cells from Familial Alzheimer's Patients Express MicroRNA Differently. Int J Mol Sci 2024; 25:1580. [PMID: 38338859 PMCID: PMC10855944 DOI: 10.3390/ijms25031580] [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: 12/31/2023] [Revised: 01/13/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024] Open
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative disorder and the predominant form of dementia globally. No reliable diagnostic, predictive techniques, or curative interventions are available. MicroRNAs (miRNAs) are vital to controlling gene expression, making them valuable biomarkers for diagnosis and prognosis. This study examines the transcriptome of olfactory ecto-mesenchymal stem cells (MSCs) derived from individuals with the PSEN1(A431E) mutation (Jalisco mutation). The aim is to determine whether this mutation affects the transcriptome and expression profile of miRNAs and their target genes at different stages of asymptomatic, presymptomatic, and symptomatic conditions. Expression microarrays compare the MSCs from mutation carriers with those from healthy donors. The results indicate a distinct variation in the expression of miRNAs and mRNAs among different symptomatologic groups and between individuals with the mutation. Using bioinformatics tools allows us to identify target genes for miRNAs, which in turn affect various biological processes and pathways. These include the cell cycle, senescence, transcription, and pathways involved in regulating the pluripotency of stem cells. These processes are closely linked to inter- and intracellular communication, vital for cellular functioning. These findings can enhance our comprehension and monitoring of the disease's physiological processes, identify new disorder indicators, and develop innovative treatments and diagnostic tools for preventing or treating AD.
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Affiliation(s)
- Lory J. Rochín-Hernández
- Departamento de Biomedicina Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Instituto Politécnico Nacional 2508, Ciudad de México 07360, Mexico; (L.J.R.-H.); (M.L.P.-C.); (A.D.-G.); (M.A.J.-A.); (M.P.F.-C.)
| | - Lory S. Rochín-Hernández
- Departamento de Biotecnología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Instituto Politécnico Nacional 2508, Ciudad de México 07360, Mexico;
| | - Mayte L. Padilla-Cristerna
- Departamento de Biomedicina Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Instituto Politécnico Nacional 2508, Ciudad de México 07360, Mexico; (L.J.R.-H.); (M.L.P.-C.); (A.D.-G.); (M.A.J.-A.); (M.P.F.-C.)
| | - Andrea Duarte-García
- Departamento de Biomedicina Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Instituto Politécnico Nacional 2508, Ciudad de México 07360, Mexico; (L.J.R.-H.); (M.L.P.-C.); (A.D.-G.); (M.A.J.-A.); (M.P.F.-C.)
| | - Miguel A. Jiménez-Acosta
- Departamento de Biomedicina Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Instituto Politécnico Nacional 2508, Ciudad de México 07360, Mexico; (L.J.R.-H.); (M.L.P.-C.); (A.D.-G.); (M.A.J.-A.); (M.P.F.-C.)
| | - María P. Figueroa-Corona
- Departamento de Biomedicina Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Instituto Politécnico Nacional 2508, Ciudad de México 07360, Mexico; (L.J.R.-H.); (M.L.P.-C.); (A.D.-G.); (M.A.J.-A.); (M.P.F.-C.)
| | - Marco A. Meraz-Ríos
- Departamento de Biomedicina Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Instituto Politécnico Nacional 2508, Ciudad de México 07360, Mexico; (L.J.R.-H.); (M.L.P.-C.); (A.D.-G.); (M.A.J.-A.); (M.P.F.-C.)
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Kizawa R, Araya J, Fujita Y. Divergent roles of the Hippo pathway in the pathogenesis of idiopathic pulmonary fibrosis: tissue homeostasis and fibrosis. Inflamm Regen 2023; 43:45. [PMID: 37735707 PMCID: PMC10512581 DOI: 10.1186/s41232-023-00295-1] [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: 07/03/2023] [Accepted: 09/10/2023] [Indexed: 09/23/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive aging-related lung disease with a poor prognosis. Despite extensive research, the cause of IPF remains largely unknown and treatment strategies are limited. Proposed mechanisms of the pathogenesis of IPF are a combination of excessive accumulation of the extracellular matrix and dysfunctional lung tissue regeneration. Epithelial cell dysfunction, in addition to fibroblast activation, is considered a key process in the progression of IPF. Epithelial cells normally maintain homeostasis of the lung tissue through regulated proliferation, differentiation, cell death, and cellular senescence. However, various stresses can cause repetitive damage to lung epithelial cells, leading to dysfunctional regeneration and acquisition of profibrotic functions. The Hippo pathway is a central signaling pathway that maintains tissue homeostasis and plays an essential role in fundamental biological processes. Dysregulation of the Hippo pathway has been implicated in various diseases, including IPF. However, the role of the Hippo pathway in the pathogenesis of IPF remains unclear, particularly given the pathway's opposing effects on the 2 key pathogenic mechanisms of IPF: epithelial cell dysfunction and fibroblast activation. A deeper understanding of the relationship between the Hippo pathway and the pathogenesis of IPF will pave the way for novel Hippo-targeted therapies.
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Affiliation(s)
- Ryusuke Kizawa
- Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-Ku, Tokyo, 105-8461, Japan
- Division of Next-Generation Drug Development, Research Center for Medical Sciences, The Jikei University School of Medicine, Tokyo, Japan
| | - Jun Araya
- Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-Ku, Tokyo, 105-8461, Japan
| | - Yu Fujita
- Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-Ku, Tokyo, 105-8461, Japan.
- Division of Next-Generation Drug Development, Research Center for Medical Sciences, The Jikei University School of Medicine, Tokyo, Japan.
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Chojak R, Fares J, Petrosyan E, Lesniak MS. Cellular senescence in glioma. J Neurooncol 2023; 164:11-29. [PMID: 37458855 DOI: 10.1007/s11060-023-04387-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 07/01/2023] [Indexed: 08/29/2023]
Abstract
INTRODUCTION Glioma is the most common primary brain tumor and is often associated with treatment resistance and poor prognosis. Standard treatment typically involves radiotherapy and temozolomide-based chemotherapy, both of which induce cellular senescence-a tumor suppression mechanism. DISCUSSION Gliomas employ various mechanisms to bypass or escape senescence and remain in a proliferative state. Importantly, senescent cells remain viable and secrete a large number of factors collectively known as the senescence-associated secretory phenotype (SASP) that, paradoxically, also have pro-tumorigenic effects. Furthermore, senescent cells may represent one form of tumor dormancy and play a role in glioma recurrence and progression. CONCLUSION In this article, we delineate an overview of senescence in the context of gliomas, including the mechanisms that lead to senescence induction, bypass, and escape. Furthermore, we examine the role of senescent cells in the tumor microenvironment and their role in tumor progression and recurrence. Additionally, we highlight potential therapeutic opportunities for targeting senescence in glioma.
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Affiliation(s)
- Rafał Chojak
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, 676 N. St Clair Street, Suite 2210, Chicago, IL, 60611, USA
- Northwestern Medicine Malnati Brain Tumor Institute, Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Jawad Fares
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, 676 N. St Clair Street, Suite 2210, Chicago, IL, 60611, USA
- Northwestern Medicine Malnati Brain Tumor Institute, Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Edgar Petrosyan
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, 676 N. St Clair Street, Suite 2210, Chicago, IL, 60611, USA
- Northwestern Medicine Malnati Brain Tumor Institute, Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Maciej S Lesniak
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, 676 N. St Clair Street, Suite 2210, Chicago, IL, 60611, USA.
- Northwestern Medicine Malnati Brain Tumor Institute, Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
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Wei X, Huang G, Liu J, Ge J, Zhang W, Mei Z. An update on the role of Hippo signaling pathway in ischemia-associated central nervous system diseases. Biomed Pharmacother 2023; 162:114619. [PMID: 37004330 DOI: 10.1016/j.biopha.2023.114619] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/26/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
The most frequent reason of morbidity and mortality in the world, cerebral ischemia sets off a chain of molecular and cellular pathologies that associated with some central nervous system (CNS) disorders mainly including ischemic stroke, Alzheimer's disease (AD), Parkinson's disease (PD), epilepsy and other CNS diseases. In recent times, despite significant advancements in the treatment of the pathological processes underlying various neurological illnesses, effective therapeutic approaches that are specifically targeted to minimizing the damage of such diseases remain absent. Hippo signaling pathway, characterized by enzyme linked reactions between MSTI/2, LAST1/2, and YAP or TAZ proteins, controls cell division, survival, and differentiation, as well as being engaged in a variety of biological activities, such as the development and transformation of the nervous system. Recently, accumulating studies demonstrated that Hippo pathway takes part in the processes of ischemic stroke, AD, PD, etc., including but not limited to oxidative stress, inflammatory response, blood-brain barrier damage, mitochondrial disorders, and neural cells death. Thus, it's crucial to understand the molecular basis of the Hippo signaling pathway for determining potential new therapeutic targets against ischemia-associated CNS diseases. Here, we discuss latest advances in the deciphering of the Hippo signaling pathway and highlight the therapeutic potential of targeting the pathway in treating ischemia-associated CNS diseases.
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Xu X, Wang J, Du S, Shen X, Lian J, Zhou J, Wang M, Feng W, Lv Z, Zhu J, Jin L, Sun H, Wu L, Wang X, Qiu H, Wang W, Teng H, Wang Y, Huang Z. Yes-associated protein regulates glutamate homeostasis through promoting the expression of excitatory amino acid transporter-2 in astrocytes via β-catenin signaling. Glia 2023; 71:1197-1216. [PMID: 36617748 DOI: 10.1002/glia.24332] [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: 08/10/2022] [Revised: 12/07/2022] [Accepted: 12/21/2022] [Indexed: 01/10/2023]
Abstract
The homeostasis of glutamate is mainly regulated by the excitatory amino acid transporters (EAATs), especially by EAAT2 in astrocytes. Excessive glutamate in the synaptic cleft caused by dysfunction or dysregulation of EAAT2 can lead to excitotoxicity, neuronal death and cognitive dysfunction. However, it remains unclear about the detailed regulation mechanism of expression and function of astrocytic EAAT2. In this study, first, we found increased neuronal death and impairment of cognitive function in YAPGFAP -CKO mice (conditionally knock out Yes-associated protein [YAP] in astrocytes), and identified EAAT2 as a downstream target of YAP through RNA sequencing. Second, the expression of EAAT2 was decreased in cultured YAP-/- astrocytes and the hippocampus of YAPGFAP -CKO mice, and glutamate uptake was reduced in YAP-/- astrocytes, but increased in YAP-upregulated astrocytes. Third, further investigation of the mechanism showed that the mRNA and protein levels of β-catenin were decreased in YAP-/- astrocytes and increased in YAP-upregulated astrocytes. Wnt3a activated YAP signaling and up-regulated EAAT2 through β-catenin. Furthermore, over-expression or activation of β-catenin partially restored the downregulation of EAAT2, the impairment of glutamate uptake, neuronal death and cognitive decline that caused by YAP deletion. Finally, activation of EAAT2 also rescued neuronal death and cognitive decline in YAPGFAP -CKO mice. Taken together, our study identifies an unrecognized role of YAP signaling in the regulation of glutamate homeostasis through the β-catenin/EAAT2 pathway in astrocytes, which may provide novel insights into the pathogenesis of brain diseases that closely related to the dysfunction or dysregulation of EAAT2, and promote the development of clinical strategy.
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Affiliation(s)
- Xingxing Xu
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Jiaojiao Wang
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Siyu Du
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Xiya Shen
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Jiashu Lian
- Department of Orthopedics (Spine Surgery), The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jian Zhou
- Department of Orthopedics (Spine Surgery), The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Mianxian Wang
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Wenjin Feng
- Zhejiang Sinogen Medical Equipment Co., Ltd., Wenzhou, China
| | - Zhaoting Lv
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Junzhe Zhu
- School of the First Clinical Medical Sciences (School of Information and Engineering), Wenzhou Medical University, Wenzhou, China
| | - Lingting Jin
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Huankun Sun
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Lihao Wu
- School of the First Clinical Medical Sciences (School of Information and Engineering), Wenzhou Medical University, Wenzhou, China
| | - Xiaoning Wang
- School of the First Clinical Medical Sciences (School of Information and Engineering), Wenzhou Medical University, Wenzhou, China
| | - Haoyu Qiu
- School of the First Clinical Medical Sciences (School of Information and Engineering), Wenzhou Medical University, Wenzhou, China
| | - Wei Wang
- School of Mental Health, Wenzhou Medical University, Wenzhou, China
| | - Honglin Teng
- Department of Orthopedics (Spine Surgery), The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Ying Wang
- Clinical Research Center, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhihui Huang
- School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
- Department of Orthopedics (Spine Surgery), The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- College of Pharmacy, Hangzhou Normal University, Hangzhou, China
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Lv W, Peng X, Tu Y, Shi Y, Song G, Luo Q. YAP Inhibition Alleviates Simulated Microgravity-Induced Mesenchymal Stem Cell Senescence via Targeting Mitochondrial Dysfunction. Antioxidants (Basel) 2023; 12:antiox12050990. [PMID: 37237856 DOI: 10.3390/antiox12050990] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/21/2023] [Accepted: 04/22/2023] [Indexed: 05/28/2023] Open
Abstract
Weightlessness in space leads to bone loss, muscle atrophy, and impaired immune defense in astronauts. Mesenchymal stem cells (MSCs) play crucial roles in maintaining the homeostasis and function of the tissue. However, how microgravity affects the characteristics MSCs and the related roles in the pathophysiological changes in astronauts remain barely known. Here we used a 2D-clinostat device to simulate microgravity. Senescence-associated-β-galactosidase (SA-β-gal) staining and the expression of senescent markers p16, p21, and p53 were used to evaluate the senescence of MSCs. Mitochondrial membrane potential (mΔΨm), reactive oxygen species (ROS) production, and ATP production were used to evaluate mitochondrial function. Western blot and immunofluorescence staining were used to investigate the expression and localization of Yes-associated protein (YAP). We found that simulated microgravity (SMG) induced MSC senescence and mitochondrial dysfunction. Mito-TEMPO (MT), a mitochondrial antioxidant, restored mitochondrial function and reversed MSC senescence induced by SMG, suggesting that mitochondrial dysfunction mediates SMG-induced MSC senescence. Further, it was found that SMG promoted YAP expression and its nuclear translocation in MSCs. Verteporfin (VP), an inhibitor of YAP, restored SMG-induced mitochondrial dysfunction and senescence in MSCs by inhibiting YAP expression and nuclear localization. These findings suggest that YAP inhibition alleviates SMG-induced MSC senescence via targeting mitochondrial dysfunction, and YAP may be a potential therapeutic target for the treatment of weightlessness-related cell senescence and aging.
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Affiliation(s)
- Wenjun Lv
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Xiufen Peng
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Yun Tu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Yisong Shi
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Guanbin Song
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - Qing Luo
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
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Follicle-Stimulating Hormone Alleviates Ovarian Aging by Modulating Mitophagy- and Glycophagy-Based Energy Metabolism in Hens. Cells 2022; 11:cells11203270. [PMID: 36291137 PMCID: PMC9600712 DOI: 10.3390/cells11203270] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 01/10/2023] Open
Abstract
As a predominant hormone in the reproductive axis, follicle-stimulating hormone (FSH) is known as the primary surviving factor for follicular growth. In this study, the alleviating effect of FSH on aging chicken granulosa cells (GCs) was investigated. Results showed that FSH activated mitophagy and relieved mitochondrial edema in D-gal-induced senescent GCs, which was evidenced by an increased number of mitophagosomes as well as increased mitochondria-light chain 3 (LC3) colocalization. Mitophagy activation was accompanied by the activation of the AMP-activated protein kinase (AMPK) signaling pathway. Furthermore, upregulated glycophagy was demonstrated by an increased interaction of starch-binding domain protein 1 (STBD1) with GABA type A receptor-associated protein-like 1 (GABARAPL1) in D-gal-induced senescent GCs. FSH treatment further promoted glycophagy, accompanied by PI3K/AKT activation. PI3K inhibitor LY294002 and AKT inhibitor GSK690693 attenuated the effect of FSH on glycophagy and glycolysis. The inhibition of FSH-mediated autophagy attenuated the protective effect of FSH on naturally aging GC proliferation and glycolysis. The simultaneous blockage of PI3K/AKT and AMPK signaling also abolished the positive effect of FSH on naturally senescent ovarian energy regulation. These data reveal that FSH prevents chicken ovarian aging by modulating glycophagy- and mitophagy-based energy metabolism through the PI3K/AKT and AMPK pathways.
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Zhang JJ, Chen KC, Zhou Y, Wei H, Qi MH, Wang Z, Zheng YN, Chen RX, Liu S, Li W. Evaluating the effects of mitochondrial autophagy flux on ginsenoside Rg2 for delaying D-galactose induced brain aging in mice. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 104:154341. [PMID: 35870376 DOI: 10.1016/j.phymed.2022.154341] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/24/2022] [Accepted: 07/14/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Aging is an inevitable gradual process of the body, which can cause dysfunction or degeneration of the nervous or immune system, thus becoming a critical pathogenic factor inducing neurodegenerative diseases. Previous reports have confirmed that saponins (ginsenosides) derived from Panax ginseng. C.A. Meyer exerted obvious memory-enhancing and anti-aging effects, and the simpler the structure of ginsenosides, the better the biological activity. Ginsenoside Rg2 (Rg2) is a prominent and representative panaxatriol-type ginsenoside produced during ginseng processing, which has been reported to have pretty good neuroprotective activity. PURPOSE The work was aimed at exploring the therapeutic effects and possible molecular mechanisms of Rg2 by establishing the subacute brain aging model induced by D-galactose (D-gal) in mice. METHODS The anti-aging activity of G-Rg2 (10, 20 mg/kg for 4 weeks) was assessed using the D-gal induced brain aging model (800 mg/kg for 8 weeks). The Morris water maze (MWM) and histopathological analysis were used to evaluate the cognitive function and pathological changes of the brain in mice, respectively. The protein expression levels of p53, p21, p16ink4α, IL-6, CDK4, ATG3, ATG5, ATG7, LC3, p62, LAMP2, and TFEB were quantified through western blot analysis. The degree of mitochondrial damage and the number of mitochondrial autophagolysosomes in hippocampal neurons were monitored using TEM analysis. RESULTS The results showed that Rg2 could significantly restore D-gal-induced impaired memory function, choline dysfunction, and redox system imbalance in mice. Rg2 treatment also considerably decreased the over-expression of aging-related proteins such as p53/p21/p16ink4α induced by D-galactose, which demonstrated that Rg2 possessed good anti-aging activity. Meanwhile, Rg2 could evidently reduce the pathological changes caused by D-gal exposure. Moreover, the results from transmission electron microscopy and western blot analysis indicated that Rg2 could delay the brain aging induced by D-gal in mice via promoting the degradation of the autophagy substrate p62 while increasing the protein expression level of LAMP2/TFEB to maintain mitochondrial function. CONCLUSION These results indicate that Rg2 could postpone brain aging by increasing mitochondrial autophagy flux to maintain mitochondrial function, which greatly enriched the research on the pharmacological activity of ginsenosides for delaying brain aging.
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Affiliation(s)
- Jun-Jie Zhang
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; National & Local Joint Engineering Research Center for Ginseng Breeding and Development, Changchun 130118, China
| | - Ke-Cheng Chen
- Looking Up Starry Sky Medical Research Center, Siping 136001, China
| | - Yue Zhou
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; National & Local Joint Engineering Research Center for Ginseng Breeding and Development, Changchun 130118, China
| | - Heng Wei
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; National & Local Joint Engineering Research Center for Ginseng Breeding and Development, Changchun 130118, China
| | - Meng-Han Qi
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; National & Local Joint Engineering Research Center for Ginseng Breeding and Development, Changchun 130118, China
| | - Zi Wang
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; National & Local Joint Engineering Research Center for Ginseng Breeding and Development, Changchun 130118, China
| | - Yi-Nan Zheng
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Ri-Xin Chen
- Looking Up Starry Sky Medical Research Center, Siping 136001, China
| | - Shuang Liu
- Goldenwell Biotechnology, Inc., Reno 89501, United States
| | - Wei Li
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; National & Local Joint Engineering Research Center for Ginseng Breeding and Development, Changchun 130118, China.
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12
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El-Far AH, Mohamed HH, Elsabagh DA, Mohamed SA, Noreldin AE, Al Jaouni SK, Alsenosy AA. Eugenol and carvacrol attenuate brain D-galactose-induced aging-related oxidative alterations in rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:47436-47447. [PMID: 35182345 PMCID: PMC9232455 DOI: 10.1007/s11356-022-18984-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
Aging represents the accumulation of progressive changes in a human being over time and can cover physical, psychological, and social changes. It is an oxidative stress-associated process that progresses with age. The antioxidant activity of either eugenol (EU) or carvacrol (CAR) for aging in rats induced by D-gal for 42 days was investigated in the current study using 10 and 20 mg of EU/kg/day/orally, while CAR was supplemented by 40 and 80 mg /kg/day/orally. Biochemical, mRNA expression, and histopathological assessments of brain samples evaluated the oxidative alterations induced by D-gal and the protective role of EU and CAR. Results showed that D-gal was causing oxidative alternation of the brain that was recognized via upregulation of p53 and p21 mRNA expression levels, as aging markers and Bax mRNA expression level, as an apoptotic marker. Also, the results observed alterations in the levels of biochemical markers as creatine phosphokinase (CPK) and triacylglycerol (TAG), besides, enhancement of brain antioxidant capacity. Finally, these results compared with the groups treated with EU and CAR to observe that the EU and CAR potentially attenuate these aging-related oxidative alterations in a dose-dependent manner. Finally, we can conclude that EU and CAR supplementations are considered promising natural protective compounds that could delay aging and maintain health.
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Affiliation(s)
- Ali H. El-Far
- Department of Biochemistry, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511 Egypt
| | - Hadeer H. Mohamed
- Department of Biochemistry, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511 Egypt
| | - Doaa A. Elsabagh
- Department of Biochemistry, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511 Egypt
| | - Shymaa A. Mohamed
- Molecular Biology, Molecular biology unit, Medical Technology Center, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Ahmed E. Noreldin
- Histology and Cytology Department, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511 Egypt
| | - Soad K. Al Jaouni
- Department of Hematology/Pediatric Oncology, Yousef Abdulatif Jameel Scientific Chair of Prophetic Medicine Application, Faculty of Medicine, King Abdulaziz University, Jeddah, 21589 Saudi Arabia
| | - Abdelwahab A. Alsenosy
- Department of Biochemistry, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511 Egypt
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13
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Wu Y, Wu Y, Yang Y, Yu J, Wu J, Liao Z, Guo A, Sun Y, Zhao Y, Chen J, Xiao Q. Lysyl oxidase-like 2 inhibitor rescues D-galactose-induced skeletal muscle fibrosis. Aging Cell 2022; 21:e13659. [PMID: 35712918 PMCID: PMC9282848 DOI: 10.1111/acel.13659] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 05/25/2022] [Accepted: 06/04/2022] [Indexed: 11/30/2022] Open
Abstract
Aging-related sarcopenia is currently the most common sarcopenia. The main manifestations are skeletal muscle atrophy, replacement of muscle fibers with fat and fibrous tissue. Excessive fibrosis can impair muscle regeneration and function. Lysyl oxidase-like 2 (LOXL2) has previously been reported to be involved in the development of various tissue fibrosis. Here, we investigated the effects of LOXL2 inhibitor on D-galactose (D-gal)-induced skeletal muscle fibroblast cells and mice. Our molecular and physiological studies show that treatment with LOXL2 inhibitor can alleviate senescence, fibrosis, and increased production of reactive oxygen species in fibroblasts caused by D-gal. These effects are related to the inhibition of the TGF-β1/p38 MAPK pathway. Furthermore, in vivo, mice treatment with LOXL2 inhibitor reduced D-gal-induced skeletal muscle fibrosis, partially enhanced skeletal muscle mass and strength and reduced redox balance disorder. Taken together, these data indicate the possibility of using LOXL2 inhibitors to prevent aging-related sarcopenia, especially with significant fibrosis.
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Affiliation(s)
- Yongxin Wu
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yaoxuan Wu
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yunfei Yang
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jing Yu
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jianghao Wu
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhiyin Liao
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ai Guo
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yue Sun
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yuxing Zhao
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jinliang Chen
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qian Xiao
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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YAP: a novel target for Alzheimer's disease. Aging (Albany NY) 2022; 14:3724-3725. [PMID: 35482299 PMCID: PMC9134940 DOI: 10.18632/aging.204045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 03/25/2022] [Indexed: 11/25/2022]
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15
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Hyperglycemia Promotes Endothelial Cell Senescence through AQR/PLAU Signaling Axis. Int J Mol Sci 2022; 23:ijms23052879. [PMID: 35270021 PMCID: PMC8911151 DOI: 10.3390/ijms23052879] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/23/2022] [Accepted: 03/02/2022] [Indexed: 02/06/2023] Open
Abstract
Hyperglycemia is reported to accelerate endothelial cell senescence that contributes to diabetic complications. The underlying mechanism, however, remains elusive. We previously demonstrated AQR as a susceptibility gene for type 2 diabetes mellitus (T2DM) and showed that it was increased in multiple tissues in models with T2DM or metabolic syndrome. This study aimed to investigate the role of AQR in hyperglycemia-induced senescence and its underlying mechanism. Here, we retrieved several datasets of the aging models and found the expression of AQR was increased by high glucose and by aging across species, including C. elegans (whole-body), rat (cardiac tissues), and monkey (blood). we validated the increased AQR expression in senescent human umbilical vein endothelial cells (HUVECs). When overexpressed, AQR promoted the endothelial cell senescence, confirmed by an increased number of cells stained with senescence-associated beta-galactosidase and upregulation of CDKN1A (P21) as well as the prohibited cellular colony formation and G2/M phase arrest. To explore the mechanism by which AQR regulated the cellular senescence, transcriptomic analyses of HUVECs with the overexpression and knockdown of the AQR were performed. We identified 52 co-expressed genes that were enriched, in the terms of plasminogen activation, innate immunity, immunity, and antiviral defense. Among co-expressed genes, PLAU was selected to evaluate its contribution to senescence for its highest strength in the enrichment of the biological process. We demonstrated that the knockdown of PLAU rescued senescence-related phenotypes, endothelial cell activation, and inflammation in models induced by AQR or TNF-α. These findings, for the first time, indicate that AQR/PLAU is a critical signaling axis in the modulation of endothelial cell senescence, revealing a novel link between hyperglycemia and vascular dysfunction. The study may have implications in the prevention of premature vascular aging associated with T2DM.
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Sun ML, Liu HJ, Luo XD, Wang Y, Zhang W, Liu C, Wang X. Bioequivalence and Safety Assessment of Two Formulations of Metformin Hydrochloride Sustained-Release Tablets (Yuantang® SR and Glucophage® XR) Under Fed Conditions in Healthy Chinese Adult Subjects: An Open-Label, Two-Way Crossover, Sequence Randomized Phase I Clinical Trial. Drugs R D 2022; 22:51-60. [PMID: 35061235 PMCID: PMC8885941 DOI: 10.1007/s40268-021-00377-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/13/2021] [Indexed: 01/02/2023] Open
Abstract
Objective The purpose of this single-center, randomized, open, two-period, two-sequence crossover, single-dose administration, bioequivalence research was to evaluate the bioequivalence and safety of the generic formulations of metformin hydrochloride sustained-release (MH-SR) 500 mg tablets (test preparation [T]: Yuantang® SR) and the original formulation (reference preparation [R]: Glucophage® XR) in 36 healthy Chinese volunteers under postprandial conditions. Methods Subjects received 500 mg T/R in each period, with a 7-day washout period. Venous blood samples of 4 mL each were collected from each subject 19 times spanning predose (0 h) to 36 h postdose. The metformin concentration in deproteinized plasma was determined by high-performance liquid chromatography–tandem mass spectrometry. Bioequivalence (80.00–125.00%) was assessed by adjusted geometric mean ratios (GMRs) and two-sided 90% confidence intervals (CIs) of the area under the curve (AUC) and maximum concentration (Cmax) for each component. SAS 9.4 software was used for statistical analysis and Phoenix WinNonlin software v7 was used to analyze the pharmacokinetic parameters. Results Thirty-four volunteers completed the clinical study. The 90% CIs (96.12–105.44% for AUC from time zero to the time of the last measurable concentration [AUCt], 96.22–105.54% for AUC extrapolated from time zero to infinity [AUC∞], and 98.42–105.00% for Cmax) of T/R adjusted GMRs were within the bioequivalence acceptance range of 80.00–125.00%, indicating that they are bioequivalent. No serious adverse events occurred in this study, indicating that the two formulations were effective and well tolerated. Conclusions Yuantang® SR was confirmed to be a well tolerated and bioequivalent alternative to Glucophage® XR when taken under postprandial conditions in healthy Chinese volunteers. The Clinical Trials Registry Platform used for this study was http://www.chinadrugtrials.org.cn/clinicaltrials.searchlistdetail.dhtml. The trial registration numbers (TRNs) and dates of registrations were CTR20180476 (19 April 2018) for this clinical trial and CTR20171595 (11 January 2018) for the pilot trial.
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Affiliation(s)
- Ming-Li Sun
- Phase I Clinical Trial Center, Beijing Shijitan Hospital Affiliated to Capital Medical University, 10 Tieyi Road, Yangfangdian, Haidian District, Beijing, 100038, People's Republic of China
| | - Hui-Juan Liu
- Phase I Clinical Trial Center, Beijing Shijitan Hospital Affiliated to Capital Medical University, 10 Tieyi Road, Yangfangdian, Haidian District, Beijing, 100038, People's Republic of China
| | - Xiang-Dong Luo
- Department of Research and Development, Guangdong Sinocorp Pharmaceutical Co., Ltd, Xiang-er Road, Huizhou Industrial Transfer Park, Longmen County, Huizhou, Guangdong Province, 516800, People's Republic of China
| | - Yu Wang
- Phase I Clinical Trial Center, Beijing Shijitan Hospital Affiliated to Capital Medical University, 10 Tieyi Road, Yangfangdian, Haidian District, Beijing, 100038, People's Republic of China
| | - Wei Zhang
- Phase I Clinical Trial Center, Beijing Shijitan Hospital Affiliated to Capital Medical University, 10 Tieyi Road, Yangfangdian, Haidian District, Beijing, 100038, People's Republic of China
| | - Chen Liu
- Phase I Clinical Trial Center, Beijing Shijitan Hospital Affiliated to Capital Medical University, 10 Tieyi Road, Yangfangdian, Haidian District, Beijing, 100038, People's Republic of China
| | - Xinghe Wang
- Phase I Clinical Trial Center, Beijing Shijitan Hospital Affiliated to Capital Medical University, 10 Tieyi Road, Yangfangdian, Haidian District, Beijing, 100038, People's Republic of China.
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17
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Zhou J, Dong Y, Cai X, Yang H, Guo T. Identification and Validation of Autophagy-Related Genes as Potential Biomarkers and Therapeutic Targets in Atrial Fibrillation. Int J Gen Med 2021; 14:7783-7796. [PMID: 34785936 PMCID: PMC8580288 DOI: 10.2147/ijgm.s337855] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 10/27/2021] [Indexed: 12/11/2022] Open
Abstract
Background Autophagy is an evolutionary conserved important process for the turnover of intracellular substances in eukaryotes and is closely related to the development of atrial fibrillation (AF). The aim of this study is to identify and validate potential autophagy-related genes (ARGs) of AF through bioinformatics analysis and experimental validation. Methods We downloaded two data sets from the Gene Expression Omnibus (GEO) database, GSE14975 and GSE31821. After merging the data of the two microarrays, adjusting the batch effect, and integrating the differentially expressed genes (DEGs) with ARGs to obtain differentially expressed autophagy-related genes (DEARGs). Functional and pathway enrichment analyses were carried out based on Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG). Use the STRING database to construct a protein–protein interaction (PPI) network. Finally, mRNA expression levels of DEARGs were validated in right atrial tissue samples from AF patients and non-AF controls by qRT-PCR. Results Through bioinformatics analysis, we finally identified 11 DEARGs (CDKN1A, CXCR4, DIRAS3, HSP90AB1, ITGA3, PRKCD, TP53INP2, DAPK2, IFNG, PTK6, and TNFSF10) in AF using [log2 (fold change)] > 0.5 and P < 0.05. In the pathway enrichment analysis, the most significantly enriched pathway was the autophagy pathway. The results of validation showed that the expression levels of CXCR4, DAPK2, and TNFSF10 corroborating with our computational findings, and the results were statistically significant (P<0.05). Conclusion Our study demonstrates that these 11 potential crucial ARGs, especially CXCR4, DAPK2, and TNFSF10, may be potential biomarkers and therapeutic targets in AF, which will help the personalized treatment of AF patients.
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Affiliation(s)
- Jiao Zhou
- Department of Cardiology, Affiliated Cardiovascular Hospital of Kunming Medical University, Kunming, Yunnan, People's Republic of China.,Department of Cardiology, Fuwai Yunnan Cardiovascular Hospital, Kunming, Yunnan, People's Republic of China
| | - Yunlong Dong
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, People's Republic of China
| | - Xiang Cai
- Department of Cardiology, Affiliated Cardiovascular Hospital of Kunming Medical University, Kunming, Yunnan, People's Republic of China.,Department of Cardiology, Fuwai Yunnan Cardiovascular Hospital, Kunming, Yunnan, People's Republic of China
| | - Hongbo Yang
- Department of Cardiology, Affiliated Cardiovascular Hospital of Kunming Medical University, Kunming, Yunnan, People's Republic of China.,Department of Cardiology, Fuwai Yunnan Cardiovascular Hospital, Kunming, Yunnan, People's Republic of China
| | - Tao Guo
- Department of Cardiology, Affiliated Cardiovascular Hospital of Kunming Medical University, Kunming, Yunnan, People's Republic of China.,Department of Cardiology, Fuwai Yunnan Cardiovascular Hospital, Kunming, Yunnan, People's Republic of China
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18
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Chisari A, Golán I, Campisano S, Gélabert C, Moustakas A, Sancho P, Caja L. Glucose and Amino Acid Metabolic Dependencies Linked to Stemness and Metastasis in Different Aggressive Cancer Types. Front Pharmacol 2021; 12:723798. [PMID: 34588983 PMCID: PMC8473699 DOI: 10.3389/fphar.2021.723798] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 08/20/2021] [Indexed: 12/26/2022] Open
Abstract
Malignant cells are commonly characterised by being capable of invading tissue, growing self-sufficiently and uncontrollably, being insensitive to apoptosis induction and controlling their environment, for example inducing angiogenesis. Amongst them, a subpopulation of cancer cells, called cancer stem cells (CSCs) shows sustained replicative potential, tumor-initiating properties and chemoresistance. These characteristics make CSCs responsible for therapy resistance, tumor relapse and growth in distant organs, causing metastatic dissemination. For these reasons, eliminating CSCs is necessary in order to achieve long-term survival of cancer patients. New insights in cancer metabolism have revealed that cellular metabolism in tumors is highly heterogeneous and that CSCs show specific metabolic traits supporting their unique functionality. Indeed, CSCs adapt differently to the deprivation of specific nutrients that represent potentially targetable vulnerabilities. This review focuses on three of the most aggressive tumor types: pancreatic ductal adenocarcinoma (PDAC), hepatocellular carcinoma (HCC) and glioblastoma (GBM). The aim is to prove whether CSCs from different tumour types share common metabolic requirements and responses to nutrient starvation, by outlining the diverse roles of glucose and amino acids within tumour cells and in the tumour microenvironment, as well as the consequences of their deprivation. Beyond their role in biosynthesis, they serve as energy sources and help maintain redox balance. In addition, glucose and amino acid derivatives contribute to immune responses linked to tumourigenesis and metastasis. Furthermore, potential metabolic liabilities are identified and discussed as targets for therapeutic intervention.
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Affiliation(s)
- Andrea Chisari
- Department of Chemistry, School of Sciences, National University of Mar del Plata, Mar del Plata, Argentina
| | - Irene Golán
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Biomedical Center, Uppsala University, Uppsala, Sweden
| | - Sabrina Campisano
- Department of Chemistry, School of Sciences, National University of Mar del Plata, Mar del Plata, Argentina
| | - Caroline Gélabert
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Biomedical Center, Uppsala University, Uppsala, Sweden
| | - Aristidis Moustakas
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Biomedical Center, Uppsala University, Uppsala, Sweden
| | - Patricia Sancho
- Translational Research Unit, Hospital Universitario Miguel Servet, IIS Aragon, Zaragoza, Spain
| | - Laia Caja
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Biomedical Center, Uppsala University, Uppsala, Sweden
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Xu X, Shen X, Wang J, Feng W, Wang M, Miao X, Wu Q, Wu L, Wang X, Ma Y, Wu S, Bao X, Wang W, Wang Y, Huang Z. YAP prevents premature senescence of astrocytes and cognitive decline of Alzheimer's disease through regulating CDK6 signaling. Aging Cell 2021; 20:e13465. [PMID: 34415667 PMCID: PMC8441453 DOI: 10.1111/acel.13465] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 07/15/2021] [Accepted: 08/07/2021] [Indexed: 12/12/2022] Open
Abstract
Senescent astrocytes accumulate with aging and contribute to brain dysfunction and diseases such as Alzheimer's disease (AD), however, the mechanisms underlying the senescence of astrocytes during aging remain unclear. In the present study, we found that Yes‐associated Protein (YAP) was downregulated and inactivated in hippocampal astrocytes of aging mice and AD model mice, as well as in D‐galactose and paraquat‐induced senescent astrocytes, in a Hippo pathway‐dependent manner. Conditional knockout of YAP in astrocytes significantly promoted premature senescence of astrocytes, including reduction of cell proliferation, hypertrophic morphology, increase in senescence‐associated β‐galactosidase activity, and upregulation of several senescence‐associated genes such as p16, p53 and NF‐κB, and downregulation of Lamin B1. Further exploration of the underlying mechanism revealed that the expression of cyclin‐dependent kinase 6 (CDK6) was decreased in YAP knockout astrocytes in vivo and in vitro, and ectopic overexpression of CDK6 partially rescued YAP knockout‐induced senescence of astrocytes. Finally, activation of YAP signaling by XMU‐MP‐1 (an inhibitor of Hippo kinase MST1/2) partially rescued the senescence of astrocytes and improved the cognitive function of AD model mice and aging mice. Taken together, our studies identified unrecognized functions of YAP‐CDK6 pathway in preventing astrocytic senescence in vitro and in vivo, which may provide further insights and new targets for delaying brain aging and aging‐related neurodegenerative diseases such as AD.
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Affiliation(s)
- Xingxing Xu
- School of Basic Medical Sciences Wenzhou Medical University Wenzhou China
| | - Xiya Shen
- School of Basic Medical Sciences Wenzhou Medical University Wenzhou China
| | - Jiaojiao Wang
- School of Basic Medical Sciences Wenzhou Medical University Wenzhou China
| | - Wenjin Feng
- Zhejiang Sinogen Medical Equipment Co., Ltd Wenzhou China
| | - Mianxian Wang
- School of Basic Medical Sciences Wenzhou Medical University Wenzhou China
| | - Xuemeng Miao
- School of Mental Health Wenzhou Medical University Wenzhou China
| | - Qian Wu
- School of Mental Health Wenzhou Medical University Wenzhou China
| | - Lihao Wu
- School of the First Clinical Medical Sciences School of Information and Engineering Wenzhou Medical University Wenzhou China
| | - Xiaoning Wang
- School of the First Clinical Medical Sciences School of Information and Engineering Wenzhou Medical University Wenzhou China
| | - Yimin Ma
- School of Mental Health Wenzhou Medical University Wenzhou China
| | - Shuang Wu
- School of the First Clinical Medical Sciences School of Information and Engineering Wenzhou Medical University Wenzhou China
| | - Xiaomei Bao
- School of Basic Medical Sciences Wenzhou Medical University Wenzhou China
- Department of Obstetrics and Gynecology Wenzhou People's Hospital Wenzhou China
| | - Wei Wang
- School of Mental Health Wenzhou Medical University Wenzhou China
| | - Ying Wang
- Phase I Clinical Research Center Zhejiang Provincial People's Hospital of Hangzhou Medical College Hangzhou China
| | - Zhihui Huang
- School of Basic Medical Sciences Wenzhou Medical University Wenzhou China
- School of Mental Health Wenzhou Medical University Wenzhou China
- College of Pharmacy Hangzhou Normal University Hangzhou China
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Yuan P, Qi X, Song A, Ma M, Zhang X, Lu C, Bian M, Lian N, He J, Zheng S, Jin H. LncRNA MAYA promotes iron overload and hepatocyte senescence through inhibition of YAP in non-alcoholic fatty liver disease. J Cell Mol Med 2021; 25:7354-7366. [PMID: 34190396 PMCID: PMC8335668 DOI: 10.1111/jcmm.16764] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/02/2021] [Accepted: 06/15/2021] [Indexed: 12/13/2022] Open
Abstract
Although recent evidence has shown that hepatocyte senescence plays a crucial role in the pathogenesis and development of non‐alcoholic fatty liver disease (NAFLD), the mechanism is still not clear. The purpose of this study was to investigate the signal transduction pathways involved in the senescence of hepatocyte, in order to provide a potential strategy for blocking the process of NAFLD. The results confirmed that hepatocyte senescence occurred in HFD‐fed Golden hamsters and PA‐treated LO2 cells as manifested by increased levels of senescence marker SA‐β‐gal, p16 and p21, heterochromatin marker H3K9me3, DNA damage marker γ‐H2AX and decreased activity of telomerase. Further studies demonstrated that iron overload could promote the senescence of hepatocyte, whereas the overexpression of Yes‐associated protein (YAP) could blunt iron overload and alleviate the senescence of hepatocyte. Of importance, depression of lncRNA MAYA (MAYA) reduced iron overload and cellular senescence via promotion of YAP in PA‐treated hepatocytes. These effects were further supported by in vivo experiments. In conclusion, these data suggested that inhibition of MAYA could up‐regulate YAP, which might repress hepatocyte senescence through modulating iron overload. In addition, these findings provided a promising option for heading off the development of NAFLD by abrogating hepatocyte senescence.
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Affiliation(s)
- Ping Yuan
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, China
| | - Xiaoyu Qi
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, China
| | - Anping Song
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, China
| | - Mingyue Ma
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, China
| | - Xinbei Zhang
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, China
| | - Chunfeng Lu
- School of Pharmacy, Nantong University, Nantong, China
| | - Mianli Bian
- Nanjing University of Chinese Medicine, Nanjing, China
| | - Naqi Lian
- Nanjing University of Chinese Medicine, Nanjing, China
| | - Jianling He
- Ministry of Natural Resources, Third Institute of Oceanography, Xiamen, China
| | - Shuguo Zheng
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, China
| | - Huanhuan Jin
- Department of Pharmacology, School of Pharmacy, Wannan Medical College, Wuhu, China
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