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Marlowe N, Lam D, Krebs W, Lin W, Liangpunsakul S. Prevalence, co-morbidities, and in-hospital mortality of patients hospitalized with alcohol-associated hepatitis in the United States from 2015 to 2019. Alcohol Clin Exp Res 2022; 46:1472-1481. [PMID: 35778777 DOI: 10.1111/acer.14896] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/29/2022] [Accepted: 06/24/2022] [Indexed: 01/31/2023]
Abstract
BACKGROUND The goals of our study are to determine the most recent trends in hospitalization, mortality, and healthcare utilization among hospitalized patients with alcohol-associated hepatitis (AH) in the United States. METHODS We examined the recent prevalence, co-morbidities, and mortality in hospitalized AH patients in the United States based on the available National Inpatient Sample (NIS) data (2015 to 2019) using appropriate International Classification of Diseases (ICD) codes. We reported our data as national estimates based on the discharge weighting variable (DISCWT). Logistic regression analyses were used to determine factors associated with mortality. RESULTS We observed an increase in the total number of hospitalized AH patients from 110,135 in 2015 to 136,620 in 2019, which represented 386 per 100,000 total hospitalizations or 42 per 100,000 US population, which in 2019 was 328 million. Patients were a mean of 48 years old and the majority were White and male. The average length of stay was around 6 days with an overall in-hospital mortality that decreased from 4.19% in 2015 to 3.86% in 2019 (p-value for trend = <0.0001). During the 5-year study period, a total of 24,795 hospitalized AH patients died and 592,885 survived the hospital stay. Those who died were older, had a longer length of stay, and higher hospital charges during the stay. Mortality was significantly greater in patients who presented with complications from portal hypertension, those with acute renal failure, underlying cirrhosis, and sepsis. CONCLUSIONS Our study documented the increasing prevalence of hospitalized AH patients and their significant associated healthcare costs and utilization. Our results underscore a continuing unmet and urgent need to identify effective therapies for hospitalized AH patients.
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Affiliation(s)
| | - David Lam
- Pharma Analytics, San Anselmo, California, USA
| | - William Krebs
- William B, Krebs Consulting Statistician, San Francisco, California, USA
| | - WeiQi Lin
- Durect Corporation, Cupertino, California, USA
| | - Suthat Liangpunsakul
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University, Indianapolis, Indiana, USA
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102
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Sauzéat L, Eychenne J, Gurioli L, Boyet M, Jessop DE, Moretti R, Monrose M, Holota H, Beaudoin C, Volle DH. Metallome deregulation and health-related impacts due to long-term exposure to recent volcanic ash deposits: New chemical and isotopic insights. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 829:154383. [PMID: 35276143 DOI: 10.1016/j.scitotenv.2022.154383] [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: 12/08/2021] [Revised: 02/09/2022] [Accepted: 03/03/2022] [Indexed: 06/14/2023]
Abstract
Volcanic ash exposure can lead to significant health risks. Damage to the respiratory and pulmonary systems are the most evident toxic side effects although the causes of these symptoms remain unclear. Conversely, the effects on other organs remain largely under-explored, limiting our understanding of the long-term volcanic ash-related risk at the whole-body scale. The metallome i.e. metal concentrations and isotopic compositions within the body, is suspected to be affected by volcanic ash exposure, having thus the potential for capturing some specificities of ash toxicity. However, the means by and extent to which the metallome is affected at the entire body scale and how the consequent chemical and isotopic deregulations correlate with pathophysiological dysfunctions are currently poorly understood. Here, we adopt a transdisciplinary approach combining high precision chemical analyses (major and trace element concentrations) and CuZn isotope measurements in seven organs and two biological fluids of isogenic mice (C57BL/6) exposed to eruption products from La Soufrière de Guadeloupe (Eastern Carribean), in tandem with biological parameters including physiological and morphological data. Based on principal component analysis, we show that after one month of exposure to volcanic ash deposits, the mice metallome; originally organ-specific and isotopically-typified, is highly disrupted as shown for example by heavy metal accumulation in testis (e.g., Fe, Zn) and Cu, Zn isotopic divergence in liver, intestine and blood. These metallomic variations are correlated with early testicular defects and might reflect the warning signs of premature (entero)hepatic impairments that may seriously affect fertility and favor the emergence of liver diseases after prolonged exposure. Monitoring the temporal evolution of the Cu and Zn isotope compositions seems to be a promising technique to identify the main biological processes and vital functions that are vulnerable to environmental volcanogenic pollutants although this will require further validation on human subjects.
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Affiliation(s)
- Lucie Sauzéat
- Université Clermont Auvergne, CNRS, IRD, OPGC, Laboratoire Magmas et Volcans, F-63000 Clermont-Ferrand, France; Université Clermont Auvergne, CNRS, INSERM, Institut Génétique, Reproduction et Développement, F-63000 Clermont-Ferrand, France.
| | - Julia Eychenne
- Université Clermont Auvergne, CNRS, IRD, OPGC, Laboratoire Magmas et Volcans, F-63000 Clermont-Ferrand, France; Université Clermont Auvergne, CNRS, INSERM, Institut Génétique, Reproduction et Développement, F-63000 Clermont-Ferrand, France
| | - Lucia Gurioli
- Université Clermont Auvergne, CNRS, IRD, OPGC, Laboratoire Magmas et Volcans, F-63000 Clermont-Ferrand, France; Université de Paris, Institut de physique du globe de Paris, CNRS UMR 7154, F-75005 Paris, France; Observatoire volcanologique et sismologique de Guadeloupe, Institut de physique du globe de Paris, F-97113 Gourbeyre, France
| | - Maud Boyet
- Université Clermont Auvergne, CNRS, IRD, OPGC, Laboratoire Magmas et Volcans, F-63000 Clermont-Ferrand, France
| | - David E Jessop
- Université Clermont Auvergne, CNRS, IRD, OPGC, Laboratoire Magmas et Volcans, F-63000 Clermont-Ferrand, France; Université de Paris, Institut de physique du globe de Paris, CNRS UMR 7154, F-75005 Paris, France; Observatoire volcanologique et sismologique de Guadeloupe, Institut de physique du globe de Paris, F-97113 Gourbeyre, France
| | - Roberto Moretti
- Université de Paris, Institut de physique du globe de Paris, CNRS UMR 7154, F-75005 Paris, France; Observatoire volcanologique et sismologique de Guadeloupe, Institut de physique du globe de Paris, F-97113 Gourbeyre, France
| | - Mélusine Monrose
- Université Clermont Auvergne, CNRS, INSERM, Institut Génétique, Reproduction et Développement, F-63000 Clermont-Ferrand, France
| | - Hélène Holota
- Université Clermont Auvergne, CNRS, INSERM, Institut Génétique, Reproduction et Développement, F-63000 Clermont-Ferrand, France
| | - Claude Beaudoin
- Université Clermont Auvergne, CNRS, INSERM, Institut Génétique, Reproduction et Développement, F-63000 Clermont-Ferrand, France
| | - David H Volle
- Université Clermont Auvergne, CNRS, INSERM, Institut Génétique, Reproduction et Développement, F-63000 Clermont-Ferrand, France
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103
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Li J, Xian L, Zheng R, Wang Y, Wan X, Liu Y. Canthaxanthin shows anti-liver aging and anti-liver fibrosis effects by down-regulating inflammation and oxidative stress in vivo and in vitro. Int Immunopharmacol 2022; 110:108942. [PMID: 35810489 DOI: 10.1016/j.intimp.2022.108942] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/03/2022] [Accepted: 06/07/2022] [Indexed: 11/18/2022]
Abstract
The elderly population is growing rapidly all over the world. The aging population has brought great medical pressure to the society. It is found that aging is one of the pathogenic factors of liver fibrosis and liver cancer. Therefore, it is very important to explore functional foods with anti-aging, anti-fibrosis and anti-liver cancer effect. Therefore, in this work, we studied the potential effects of Canthaxanthin on liver aging, liver fibrosis and liver cancer. Firstly, we established the aging modelof liver cells by using H2O2. On this basis, the anti-aging effect of Canthaxanthin was analyzed, and the results showed that Canthaxanthin could significantly alleviate the aging of liver cells through Sa-β-Gal staining and analysis of the expression of aging related markers. In vivo, aged mice wereused as the animal model for studying the effect of anti-aging of Canthaxanthin. The results showed that Canthaxanthin could significantly alleviate the aging of liver in vivo. Further study show that Canthaxanthin may alleviatethe aging of liver cells by regulating SIRT6; Secondly, we evaluated the effect of Canthaxanthin on liver fibrosis. A model of liver fibrosis was established by CCl4. Masson and Sirius red staining showed that Canthaxanthin could significantly reduce the fibrosis area. Additionally, the level of liver inflammation was also reduced; Thirdly, the effect of Canthaxanthin on hepatoma cells has also been investigated. The resultsshowed that Canthaxanthin could promote the apoptosis of hepatoma cells in vivo and in vitro. To sum up, these results show that canthaxanthin can significantly alleviate liver aging and fibrosis, and Canthaxanthin can also promote the apoptosis of liver cancer cells, indicating that Canthaxanthin can be used as a potential drug or health food for the treatment of liveraging related diseases.
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Affiliation(s)
- Jiarui Li
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130000, China
| | - Lei Xian
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130000, China
| | - Ruipeng Zheng
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130000, China
| | - Yue Wang
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130000, China
| | - Xiaoqiang Wan
- Department of Interventional Therapy, The First Hospital of Jilin University, Changchun, Jilin 130000, China
| | - Ying Liu
- Clinical Laboratory, The First Hospital of Jilin University, Changchun 130000, China.
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104
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Abu-Freha N, Estis-Deaton A, Aasla M, Etzion O, Philip A, Yardeni D, Abo Abed M, Abu Tailakh M. Liver cirrhosis in elderly patients: clinical characteristics, complications, and survival-analyses from a large retrospective study. Aging Clin Exp Res 2022; 34:2217-2223. [PMID: 35670959 DOI: 10.1007/s40520-022-02152-6] [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: 02/17/2022] [Accepted: 05/06/2022] [Indexed: 11/24/2022]
Abstract
BACKGROUND Liver cirrhosis (LC) is a common disease diagnosed in all ages. With the increasing population age, LC is noticeable more in the clinics. AIM To distinguish the clinical characteristics, complications, and survival of patients with liver cirrhosis. METHODS A retrospective study enrolled patients diagnosed with liver cirrhosis at Soroka University Medical Center. Patients with cirrhosis diagnosed at an age older than 65 years (group 1) were compared with patients diagnosed at an age younger than 65 years (group 2). RESULTS We included 1046 patients; 411 (39.3%) in group 1 and 635 (60.7%) in group 2. Fatty liver and cryptogenic liver disease were found to cause cirrhosis at a significantly higher rate in the elderly (23.4% vs. 13.9%, p < 0.001, 15.3% vs. 6.3%, p < 0.001, respectively). A higher rate of non-hepatocellular carcinoma cancers and mortality (17.5% vs. 9.1%, p < 0.001, 76.6% vs. 57%, respectively) was found among cirrhotic elderly patients, but a lower rate of oesophageal varices (47.7% vs. 60.1%, p = 0.002). Twenty-year follow-up Kaplan-Meier survival analysis for mortality estimated poor survival in the elderly (log-rank p < 0.001). The adjusted Cox proportional hazards regression model showed an association of age > 65 with an all-cause mortality hazard ratio of 2.26 (95% CI 1.89-2.69). CONCLUSION Higher rates of fatty liver, cryptogenic cirrhosis, non-HCC cancers, and mortality were found among patients diagnosed with cirrhosis in the elderly.
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Affiliation(s)
- Naim Abu-Freha
- The Institute of Gastroenterology and Hepatology, Soroka University Medical Center and the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Asia Estis-Deaton
- Division of Internal Medicine, Soroka University Medical Center, Beer-Sheva, Israel
| | - Muhammad Aasla
- Division of Internal Medicine, Soroka University Medical Center, Beer-Sheva, Israel
| | - Ohad Etzion
- The Institute of Gastroenterology and Hepatology, Soroka University Medical Center and the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Aerin Philip
- Medical School for International Health, Ben Gurion University of the Negev, Beer-Sheva, Israel
| | - David Yardeni
- The Institute of Gastroenterology and Hepatology, Soroka University Medical Center and the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Muhammad Abo Abed
- Division of Internal Medicine, Soroka University Medical Center, Beer-Sheva, Israel
| | - Muhammad Abu Tailakh
- Recanati School for Community Health Professions, Department of Nursing, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel and Soroka University Medical Center, P.O.Box 653, 8410501, Beer-Sheva, Israel.
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105
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Heinke P, Rost F, Rode J, Trus P, Simonova I, Lázár E, Feddema J, Welsch T, Alkass K, Salehpour M, Zimmermann A, Seehofer D, Possnert G, Damm G, Druid H, Brusch L, Bergmann O. Diploid hepatocytes drive physiological liver renewal in adult humans. Cell Syst 2022; 13:499-507.e12. [PMID: 35649419 DOI: 10.1016/j.cels.2022.05.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 02/19/2022] [Accepted: 05/09/2022] [Indexed: 12/12/2022]
Abstract
Physiological liver cell replacement is central to maintaining the organ's high metabolic activity, although its characteristics are difficult to study in humans. Using retrospective radiocarbon (14C) birth dating of cells, we report that human hepatocytes show continuous and lifelong turnover, allowing the liver to remain a young organ (average age <3 years). Hepatocyte renewal is highly dependent on the ploidy level. Diploid hepatocytes show more than 7-fold higher annual birth rates than polyploid hepatocytes. These observations support the view that physiological liver cell renewal in humans is mainly dependent on diploid hepatocytes, whereas polyploid cells are compromised in their ability to divide. Moreover, cellular transitions between diploid and polyploid hepatocytes are limited under homeostatic conditions. With these findings, we present an integrated model of homeostatic liver cell generation in humans that provides fundamental insights into liver cell turnover dynamics.
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Affiliation(s)
- Paula Heinke
- Center for Regenerative Therapies, Technische Universität Dresden, 01307 Dresden, Germany
| | - Fabian Rost
- Center for Regenerative Therapies, Technische Universität Dresden, 01307 Dresden, Germany; Max Planck Institute for the Physics of Complex Systems, 01187 Dresden, Germany; Centre for Information Services and High Performance Computing, Technische Universität Dresden, 01187 Dresden, Germany
| | - Julian Rode
- Centre for Information Services and High Performance Computing, Technische Universität Dresden, 01187 Dresden, Germany
| | - Palina Trus
- Center for Regenerative Therapies, Technische Universität Dresden, 01307 Dresden, Germany
| | - Irina Simonova
- Center for Regenerative Therapies, Technische Universität Dresden, 01307 Dresden, Germany
| | - Enikő Lázár
- Department of Cell and Molecular Biology, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Joshua Feddema
- Center for Regenerative Therapies, Technische Universität Dresden, 01307 Dresden, Germany
| | - Thilo Welsch
- Visceral-, Thoracic- and Vascular Surgery, University Hospital Carl Gustav Carus, Technische Universität Dresden, 01307 Dresden, Germany
| | - Kanar Alkass
- Department of Oncology-Pathology, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Mehran Salehpour
- Department of Physics and Astronomy, Applied Nuclear Physics, Ion Physics, Uppsala University, 75120 Uppsala, Sweden
| | - Andrea Zimmermann
- Department of Hepatobiliary Surgery and Visceral Transplantation, University of Leipzig, 04103 Leipzig, Germany; Saxonian Incubator for Clinical Translation (SIKT), Leipzig University, 04103 Leipzig, Germany
| | - Daniel Seehofer
- Department of Hepatobiliary Surgery and Visceral Transplantation, University of Leipzig, 04103 Leipzig, Germany; Saxonian Incubator for Clinical Translation (SIKT), Leipzig University, 04103 Leipzig, Germany
| | - Göran Possnert
- Department of Physics and Astronomy, Applied Nuclear Physics, Ion Physics, Uppsala University, 75120 Uppsala, Sweden
| | - Georg Damm
- Department of Hepatobiliary Surgery and Visceral Transplantation, University of Leipzig, 04103 Leipzig, Germany; Saxonian Incubator for Clinical Translation (SIKT), Leipzig University, 04103 Leipzig, Germany
| | - Henrik Druid
- Department of Oncology-Pathology, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Lutz Brusch
- Centre for Information Services and High Performance Computing, Technische Universität Dresden, 01187 Dresden, Germany
| | - Olaf Bergmann
- Center for Regenerative Therapies, Technische Universität Dresden, 01307 Dresden, Germany; Department of Cell and Molecular Biology, Karolinska Institutet, 17177 Stockholm, Sweden.
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106
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Teofilović A, Vratarić M, Veličković N, Vojnović Milutinović D, Mladenovic A, Prvulovic M, Djordjevic A. Late-Onset Calorie Restriction Improves Lipid Metabolism and Aggravates Inflammation in the Liver of Old Wistar Rats. Front Nutr 2022; 9:899255. [PMID: 35677539 PMCID: PMC9168317 DOI: 10.3389/fnut.2022.899255] [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: 03/18/2022] [Accepted: 04/25/2022] [Indexed: 11/26/2022] Open
Abstract
Aging is a progressive process that could disturb metabolic homeostasis in the liver via ectopic lipid accumulation, oxidative stress, and deterioration of inflammatory response. Although calorie restriction (CR) is recognized as beneficial for life span and health span prolongation, it is still unclear how late-onset CR, characterized by late beginning and short duration, affects age-related processes. The aim of this study was to examine how late-onset CR-induced metabolic adjustments impact lipid status and inflammation in the liver of old rats. The experiments were conducted on aging male Wistar rats fed ad libitum (AL) or exposed to late-onset CR (60% of AL daily intake) from 21st to 24th month. The results showed that late-onset CR reduces body weight, visceral adipose tissue and liver mass, and triglyceride levels when compared to old animals on AL diet. The ameliorating effects of CR on lipid metabolism include increased activity of AMP-activated protein kinase, suppressed de novo fatty acid synthesis, stimulated β-oxidation, decreased lipotoxicity, and limited triglyceride synthesis and packaging in the liver. Restricted diet regime, however, does not improve expression of antioxidant enzymes, although it leads to progression of age-related inflammation in the liver, partially through lower corticosterone concentration and decreased activation of glucocorticoid receptor. In conclusion, late-onset CR is able to restore age-related imbalance of lipid metabolism in the liver, but has a negative impact on hepatic inflammatory status, implying that the type of diet for older individuals must be balanced and chosen carefully with appropriate duration and start point.
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Affiliation(s)
- Ana Teofilović
- Department of Biochemistry, Institute for Biological Research “Siniša Stanković” – National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
- *Correspondence: Ana Teofilović,
| | - Miloš Vratarić
- Department of Biochemistry, Institute for Biological Research “Siniša Stanković” – National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Nataša Veličković
- Department of Biochemistry, Institute for Biological Research “Siniša Stanković” – National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Danijela Vojnović Milutinović
- Department of Biochemistry, Institute for Biological Research “Siniša Stanković” – National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Aleksandra Mladenovic
- Department of Neurobiology, Institute for Biological Research “Siniša Stanković” – National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Milica Prvulovic
- Department of Neurobiology, Institute for Biological Research “Siniša Stanković” – National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Ana Djordjevic
- Department of Biochemistry, Institute for Biological Research “Siniša Stanković” – National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
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107
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Perinatal Obesity Induces Hepatic Growth Restriction with Increased DNA Damage Response, Senescence, and Dysregulated Igf-1-Akt-Foxo1 Signaling in Male Offspring of Obese Mice. Int J Mol Sci 2022; 23:ijms23105609. [PMID: 35628414 PMCID: PMC9144113 DOI: 10.3390/ijms23105609] [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: 04/15/2022] [Revised: 05/07/2022] [Accepted: 05/12/2022] [Indexed: 11/17/2022] Open
Abstract
Maternal obesity predisposes for hepato-metabolic disorders early in life. However, the underlying mechanisms causing early onset dysfunction of the liver and metabolism remain elusive. Since obesity is associated with subacute chronic inflammation and accelerated aging, we test the hypothesis whether maternal obesity induces aging processes in the developing liver and determines thereby hepatic growth. To this end, maternal obesity was induced with high-fat diet (HFD) in C57BL/6N mice and male offspring were studied at the end of the lactation [postnatal day 21 (P21)]. Maternal obesity induced an obese body composition with metabolic inflammation and a marked hepatic growth restriction in the male offspring at P21. Proteomic and molecular analyses revealed three interrelated mechanisms that might account for the impaired hepatic growth pattern, indicating prematurely induced aging processes: (1) Increased DNA damage response (γH2AX), (2) significant upregulation of hepatocellular senescence markers (Cdnk1a, Cdkn2a); and (3) inhibition of hepatic insulin/insulin-like growth factor (IGF)-1-AKT-p38-FoxO1 signaling with an insufficient proliferative growth response. In conclusion, our murine data demonstrate that perinatal obesity induces an obese body composition in male offspring with hepatic growth restriction through a possible premature hepatic aging that is indicated by a pathologic sequence of inflammation, DNA damage, senescence, and signs of a possibly insufficient regenerative capacity.
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108
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Le Goallec A, Diai S, Collin S, Prost JB, Vincent T, Patel CJ. Using deep learning to predict abdominal age from liver and pancreas magnetic resonance images. Nat Commun 2022; 13:1979. [PMID: 35418184 PMCID: PMC9007982 DOI: 10.1038/s41467-022-29525-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 03/18/2022] [Indexed: 11/24/2022] Open
Abstract
With age, the prevalence of diseases such as fatty liver disease, cirrhosis, and type two diabetes increases. Approaches to both predict abdominal age and identify risk factors for accelerated abdominal age may ultimately lead to advances that will delay the onset of these diseases. We build an abdominal age predictor by training convolutional neural networks to predict abdominal age (or "AbdAge") from 45,552 liver magnetic resonance images [MRIs] and 36,784 pancreas MRIs (R-Squared = 73.3 ± 0.6; mean absolute error = 2.94 ± 0.03 years). Attention maps show that the prediction is driven by both liver and pancreas anatomical features, and surrounding organs and tissue. Abdominal aging is a complex trait, partially heritable (h_g2 = 26.3 ± 1.9%), and associated with 16 genetic loci (e.g. in PLEKHA1 and EFEMP1), biomarkers (e.g body impedance), clinical phenotypes (e.g, chest pain), diseases (e.g. hypertension), environmental (e.g smoking), and socioeconomic (e.g education, income) factors.
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Affiliation(s)
- Alan Le Goallec
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA, 02115, USA.,Department of Systems, Synthetic and Quantitative Biology, Harvard University, Cambridge, MA, 02118, USA
| | - Samuel Diai
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA, 02115, USA
| | - Sasha Collin
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA, 02115, USA
| | - Jean-Baptiste Prost
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA, 02115, USA
| | - Théo Vincent
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA, 02115, USA
| | - Chirag J Patel
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA, 02115, USA.
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109
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Techniques and Algorithms for Hepatic Vessel Skeletonization in Medical Images: A Survey. ENTROPY 2022; 24:e24040465. [PMID: 35455128 PMCID: PMC9031516 DOI: 10.3390/e24040465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/21/2022] [Accepted: 03/23/2022] [Indexed: 02/01/2023]
Abstract
Hepatic vessel skeletonization serves as an important means of hepatic vascular analysis and vessel segmentation. This paper presents a survey of techniques and algorithms for hepatic vessel skeletonization in medical images. We summarized the latest developments and classical approaches in this field. These methods are classified into five categories according to their methodological characteristics. The overview and brief assessment of each category are provided in the corresponding chapters, respectively. We provide a comprehensive summary among the cited publications, image modalities and datasets from various aspects, which hope to reveal the pros and cons of every method, summarize its achievements and discuss the challenges and future trends.
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110
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Mahabaleshwarkar R, Liu TL, McKillop IH, Spencer M. The Association Between Metabolic Syndrome and Non-Alcoholic Fatty Liver Disease Diagnosis Varies by Race. Metab Syndr Relat Disord 2022; 20:286-294. [PMID: 35319282 DOI: 10.1089/met.2021.0108] [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: 10/18/2022] Open
Abstract
Objectives: This study investigated how the association between metabolic syndrome (MetS) and nonalcoholic fatty liver disease (NAFLD) diagnosis varies between non-Hispanic African American and white patients. Methods: A retrospective cohort study was performed using electronic medical records from an integrated health care system (2010-2018). Adults with records for all MetS measurements (body mass index, lipids, blood pressure, and blood glucose) in 2011, who did not have a NAFLD diagnosis before their last MetS measurement, were included. Results: The study cohort consisted of 139,336 patients (age 56.1 ± 15.2 years, 57.9% female, 79.4% non-Hispanic white). The rate of NAFLD diagnosis was higher in MetS patients compared with non-MetS patients [adjusted hazards ratio (AHR) = 1.99, 95% CI = 1.91-2.09] with a significant interaction by race (AHR = 2.05, 95% CI = 1.95-2.15 in non-Hispanic whites vs. AHR = 1.76, 95% CI = 1.58-1.96 non-Hispanic African Americans, P = 0.017). Secondary analyses revealed that the relative NAFLD diagnosis rate was higher in non-Hispanic whites with MetS compared with non-Hispanic African Americans with MetS among females and patients 18-39 years of age and 40-59 years, but not among males and those ≥60 years of age. Conclusions: Non-Hispanic white patients with MetS, particularly females and those <60 years of age, may be at increased risk of NAFLD compared with non-Hispanic African American MetS patients and may benefit from extra attention regarding NAFLD screening.
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Affiliation(s)
- Rohan Mahabaleshwarkar
- Center for Outcomes Research and Evaluation, Atrium Health, Charlotte, North Carolina, USA
| | - Tsai-Ling Liu
- Center for Outcomes Research and Evaluation, Atrium Health, Charlotte, North Carolina, USA
| | - Iain H McKillop
- Department of Surgery, Atrium Health, Charlotte, North Carolina, USA
| | - Melanie Spencer
- Center for Outcomes Research and Evaluation, Atrium Health, Charlotte, North Carolina, USA
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111
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Ren R, He Y, Ding D, Cui A, Bao H, Ma J, Hou X, Li Y, Feng D, Li X, Liangpunsakul S, Gao B, Wang H. Aging exaggerates acute-on-chronic alcohol-induced liver injury in mice and humans by inhibiting neutrophilic sirtuin 1-C/EBPα-miRNA-223 axis. Hepatology 2022; 75:646-660. [PMID: 34510484 PMCID: PMC8844214 DOI: 10.1002/hep.32152] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 08/17/2021] [Accepted: 08/30/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIMS Aging exacerbates liver neutrophil infiltration and alcohol-associated liver disease (ALD) in mice and humans, but the underlying mechanisms remain obscure. This study aimed to examine the effect of aging and alcohol consumption on neutrophilic Sirtuin 1 (SIRT1) and microRNA-223 (miR-223), and their contribution to ALD pathogeneses. APPROACH AND RESULTS Young and aged myeloid-specific Sirt1 knockout mice were subjected to chronic-plus-binge ethanol feeding. Blood samples from healthy controls and patients with chronic alcohol drinking who presented with acute intoxication were analyzed. Neutrophilic Sirt1 and miR-223 expression were down-regulated in aged mice compared with young mice. Deletion of the Sirt1 gene in myeloid cells including neutrophils exacerbated chronic-plus-binge ethanol-induced liver injury and inflammation and down-regulated neutrophilic miR-223 expression. Immunoprecipitation experiments revealed that SIRT1 promoted C/EBPα deacetylation by directly interacting with C/EBPα, a key transcription factor that controls miR-223 biogenesis, and subsequently elevated miR-223 expression in neutrophils. Importantly, down-regulation of SIRT1 and miR-223 expression was also observed in circulating neutrophils from middle-aged and elderly subjects compared with those from young individuals. Chronic alcohol users with acute intoxication had a reduction in neutrophilic SIRT1 expression in young and middle-aged patients, with a greater reduction in the latter group. The neutrophilic SIRT1 expression correlated with neutrophilic miR-223 and serum alanine transaminase levels in those patients. CONCLUSIONS Aging increases the susceptibility of alcohol-induced liver injury in mice and humans through the down-regulation of the neutrophilic SIRT1-C/EBPα-miR-223 axis, which could be a therapeutic target for the prevention and/or treatment of ALD.
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Affiliation(s)
- Ruixue Ren
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei, China,Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland, USA,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei, China
| | - Yong He
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland, USA
| | - Dong Ding
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Aoyuan Cui
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Huarui Bao
- Department of Emergency, the First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jing Ma
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland, USA
| | - Xin Hou
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland, USA
| | - Yu Li
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Dechun Feng
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland, USA
| | - Xiaoling Li
- Signal Transduction Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - Suthat Liangpunsakul
- Division of Gastroenterology and Hepatology, Department of Medicine, Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA,Roudebush Veterans Administration Medical Center, Indianapolis, Indiana, USA
| | - Bin Gao
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland, USA
| | - Hua Wang
- Department of Oncology, the First Affiliated Hospital of Anhui Medical University, Hefei, China,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei, China
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112
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Vats R, Li Z, Ju EM, Dubey RK, Kaminski TW, Watkins S, Pradhan-Sundd T. Intravital imaging reveals inflammation as a dominant pathophysiology of age-related hepatovascular changes. Am J Physiol Cell Physiol 2022; 322:C508-C520. [PMID: 34986022 PMCID: PMC8917937 DOI: 10.1152/ajpcell.00408.2021] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Aging is the most significant risk factor for the majority of chronic diseases, including liver disease. The cellular, molecular, and pathophysiological mechanisms that promote age-induced hepatovascular changes are unknown due to our inability to visualize changes in liver pathophysiology in live mice over time. We performed quantitative liver intravital microscopy (qLIM) in live C57BL/6J mice to investigate the impact of aging on the hepatovascular system over a 24-mo period. qLIM revealed that age-related hepatic alterations include reduced liver sinusoidal blood flow, increased sinusoidal vessel diameter, and loss of small hepatic vessels. The ductular cell structure deteriorates with age, along with altered expression of hepatic junctional proteins. Furthermore, qLIM imaging revealed increased inflammation in the aged liver, which was linked to increased expression of proinflammatory macrophages, hepatic neutrophils, liver sinusoidal endothelial cells, senescent cells, and procoagulants. Finally, we detected elevated NF-κB pathway activity in aged livers. Overall, these findings emphasize the importance of inflammation in age-related hepatic vasculo-epithelial alterations and highlight the utility of qLIM in studying age-related effects in organ pathophysiology.
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Affiliation(s)
- Ravi Vats
- 1Pittsburgh Heart, Liver and Blood Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Ziming Li
- 1Pittsburgh Heart, Liver and Blood Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Eun-Mi Ju
- 1Pittsburgh Heart, Liver and Blood Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Rikesh K. Dubey
- 1Pittsburgh Heart, Liver and Blood Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Tomasz W. Kaminski
- 1Pittsburgh Heart, Liver and Blood Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Simon Watkins
- 3Department of Cell Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Tirthadipa Pradhan-Sundd
- 1Pittsburgh Heart, Liver and Blood Vascular Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania,2Division of Hematology/Oncology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
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113
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Zhao Y, Yang Y, Li Q, Li J. Understanding the Unique Microenvironment in the Aging Liver. Front Med (Lausanne) 2022; 9:842024. [PMID: 35280864 PMCID: PMC8907916 DOI: 10.3389/fmed.2022.842024] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 01/31/2022] [Indexed: 12/21/2022] Open
Abstract
In the past decades, many studies have focused on aging because of our pursuit of longevity. With lifespans extended, the regenerative capacity of the liver gradually declines due to the existence of aging. This is partially due to the unique microenvironment in the aged liver, which affects a series of physiological processes. In this review, we summarize the related researches in the last decade and try to highlight the aging-related alterations in the aged liver.
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Affiliation(s)
- Yalei Zhao
- Department of Infectious Diseases, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Ya Yang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, College of Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Qian Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, College of Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Jianzhou Li
- Department of Infectious Diseases, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- *Correspondence: Jianzhou Li
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114
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Wang D, Wang T, Li Z, Guo Y, Granato D. Green Tea Polyphenols Upregulate the Nrf2 Signaling Pathway and Suppress Oxidative Stress and Inflammation Markers in D-Galactose-Induced Liver Aging in Mice. Front Nutr 2022; 9:836112. [PMID: 35284456 PMCID: PMC8904921 DOI: 10.3389/fnut.2022.836112] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 01/19/2022] [Indexed: 11/13/2022] Open
Abstract
The beneficial effects of green tea polyphenols (GTPs) on D-galactose (D-Gal)-induced liver aging in male Kunming mice were investigated. For this purpose, 40 adult male Kunming mice were divided into four groups. All animals, except for the normal control and GTPs control, were intraperitoneally injected with D-galactose (D-Gal; 300 mg/kg/day for 5 days a week) for 12 consecutive weeks, and the D-Gal-treated mice were allowed free access to 0.05% GTPs (w/w) diet or normal diet for 12 consecutive weeks. Results showed that GTP administration improved the liver index and decreased transaminases and total bilirubin levels. Furthermore, GTPs significantly increased hepatic glutathione and total antioxidant levels, and the activities of superoxide dismutase, catalase, and glutathione S-transferase (GST). Furthermore, GTPs downregulated 8-hydroxy-2-deoxyguanosine, advanced glycation end products, and hepatic oxidative stress markers, such as malondialdehyde and nitric oxide. Additionally, GTPs abrogated dysregulation in hepatic Kelch-like ECH-associated protein 1 and nuclear factor erythroid 2-related factor 2 (Nrf2) and its downstream target gene expression [heme oxygenase 1, NAD(P)H:quinone oxidoreductase 1, and GST] and inhibited tumor necrosis factor-α, transforming growth factor-β, and interleukin (IL)-1β and IL-6 in the liver of treated mice. Finally, GTPs effectively attenuated D-Gal-induced edema, vacuole formation, and inflammatory cell infiltration. In conclusion, GTPs showed antioxidant and anti-inflammatory properties in D-Gal-induced aging mice, and may be considered a natural alternative to the effects of hepatic aging.
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Affiliation(s)
- Dongxu Wang
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, China
- *Correspondence: Dongxu Wang
| | - Taotao Wang
- Department of Clinical Nutrition, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Zhanming Li
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Yuanxin Guo
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Daniel Granato
- Department of Biological Sciences, Faculty of Science and Engineering, University of Limerick, Limerick, Ireland
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115
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The Intestinal Barrier Dysfunction as Driving Factor of Inflammaging. Nutrients 2022; 14:nu14050949. [PMID: 35267924 PMCID: PMC8912763 DOI: 10.3390/nu14050949] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/17/2022] [Accepted: 02/21/2022] [Indexed: 12/13/2022] Open
Abstract
The intestinal barrier, composed of the luminal microbiota, the mucus layer, and the physical barrier consisting of epithelial cells and immune cells, the latter residing underneath and within the epithelial cells, plays a special role in health and disease. While there is growing knowledge on the changes to the different layers associated with disease development, the barrier function also plays an important role during aging. Besides changes in the composition and function of cellular junctions, the entire gastrointestinal physiology contributes to essential age-related changes. This is also reflected by substantial differences in the microbial composition throughout the life span. Even though it remains difficult to define physiological age-related changes and to distinguish them from early signs of pathologies, studies in centenarians provide insights into the intestinal barrier features associated with longevity. The knowledge reviewed in this narrative review article might contribute to the definition of strategies to prevent the development of diseases in the elderly. Thus, targeted interventions to improve overall barrier function will be important disease prevention strategies for healthy aging in the future.
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116
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Kopalli SR, Cha KM, Cho JY, Kim SK, Koppula S. Cordycepin from Medicinal Fungi Cordyceps militaris Mitigates Inflammaging-Associated Testicular Damage via Regulating NF-κB/MAPKs Signaling in Naturally Aged Rats. MYCOBIOLOGY 2022; 50:89-98. [PMID: 35291597 PMCID: PMC8890559 DOI: 10.1080/12298093.2022.2035515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 06/14/2023]
Abstract
Inflammaging in male reproductive organs covers a wide variety of problems, including sexual dysfunction and infertility. In this study, the beneficial effects of cordycepin (COR), isolated from potential medicinal fungi Cordyceps militaris, in aging-associated testicular inflammation and serum biochemical changes in naturally aged rats were investigated. Male Sprague Dawley rats were divided into young control (YC), aged control (AC), and COR (5, 10, and 20 mg/kg) treated aged rat groups. Aging-associated serum biochemical changes and inflammatory parameters were analyzed by biochemical assay kits, Western blotting, and real-time RT-PCR. Results showed a significant (p < 0.05) alteration in the total blood cell count, lipid metabolism, and liver functional parameters in AC group when compared with YC group. However, COR-treated aged rats ameliorated the altered biochemical parameters significantly (p < 0.05 and p < 0.01 at 5, 10, and 20 mg/kg, respectively). Furthermore, the increase in the expression of inflammatory mediators (COX-2, interleukin (IL)-6, IL-1β, and tissue necrosis factor-alpha) in aged rat testis was significant (p < 0.05) when compared with YC group. Treatment with COR at 20 mg/kg to aged rats attenuated the increased expression of inflammatory mediators significantly (p < 0.05). Mechanistic studies revealed that the potential attenuating effects exhibited by COR in aged rats was mediated by regulation of NF-κB activation and MAPKs (c-Jun N-terminal kinase, extracellular signal-regulated kinase 1/2, and p38) signaling. In conclusion, COR restored the altered serum biochemical parameters in aged rats and ameliorated the aging-associated testicular inflammation proving the therapeutic benefits of COR targeting inflammaging-associated male sexual dysfunctions.
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Affiliation(s)
| | - Kyu-Min Cha
- D&L Biochem, Business Incubator Center 406, Chungju-Si, Republic of Korea
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, Republic of Korea
| | - Si-Kwan Kim
- Department of Integrated Biosciences, College of Biomedical & Health Science, Konkuk University, Chungju-si, Republic of Korea
| | - Sushruta Koppula
- Department of Integrated Biosciences, College of Biomedical & Health Science, Konkuk University, Chungju-si, Republic of Korea
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117
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Whole Body Ip6k1 Deletion Protects Mice from Age-Induced Weight Gain, Insulin Resistance and Metabolic Dysfunction. Int J Mol Sci 2022; 23:ijms23042059. [PMID: 35216174 PMCID: PMC8878859 DOI: 10.3390/ijms23042059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 02/05/2022] [Accepted: 02/10/2022] [Indexed: 12/21/2022] Open
Abstract
(1) Background: We previously demonstrated that disruption of IP6K1 improves metabolism, protecting mice from high-fat diet-induced obesity, insulin resistance, and non-alcoholic fatty liver disease and steatohepatitis. Age-induced metabolic dysfunction is a major risk factor for metabolic diseases. The involvement of IP6K1 in this process is unknown. (2) Methods: Here, we compared body and fat mass, insulin sensitivity, energy expenditure and serum-, adipose tissue- and liver-metabolic parameters of chow-fed, aged, wild type (aWT) and whole body Ip6k1 knockout (aKO) mice. (3) Results: IP6K1 was upregulated in the adipose tissue and liver of aWT mice compared to young WT mice. Moreover, Ip6k1 deletion blocked age-induced increase in body- and fat-weight and insulin resistance in mice. aKO mice oxidized carbohydrates more efficiently. The knockouts displayed reduced levels of serum insulin, triglycerides, and non-esterified fatty acids. Ip6k1 deletion partly protected age-induced decline of the thermogenic uncoupling protein UCP1 in inguinal white adipose tissue. Targets inhibited by IP6K1 activity such as the insulin sensitivity- and energy expenditure-inducing protein kinases, protein kinase B (PKB/Akt) and AMP-activated protein kinase (AMPK), were activated in the adipose tissue and liver of aKO mice. (4) Conclusions: Ip6k1 deletion maintains healthy metabolism in aging and thus, targeting this kinase may delay the development of age-induced metabolic dysfunction.
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118
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Chou YT, Sun ZJ, Shen WC, Yang YC, Lu FH, Chang CJ, Li CY, Wu JS. Cumulative Betel Quid Chewing and the Risk of Significant Liver Fibrosis in Subjects With and Without Metabolic Syndrome. Front Nutr 2022; 9:765206. [PMID: 35223941 PMCID: PMC8873786 DOI: 10.3389/fnut.2022.765206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/04/2022] [Indexed: 11/13/2022] Open
Abstract
Background Betel quid chewing is associated with metabolic disorders, oral cancer, cardiovascular disease, and chronic liver diseases. Metabolic syndrome (MetS) is also a factor associated with liver fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). However, studies on the relationship between betel quid and liver fibrosis while also considering MetS are lacking. The aim of this study was thus to investigate the association of betel quid chewing and liver fibrosis with MetS. Methods A total of 9,221 subjects were enrolled after excluding subjects <18 years of age, with past history of chronic liver diseases, cancer, significant alcohol consumption, and incomplete data. Betel nut chewing habit was classified into three groups: none, former-chewing, and current-chewing, and cumulative exposure was calculated by multiplying the duration with the quantity. Liver fibrosis was evaluated based on the NAFLD fibrosis score (NFS), which is a composite score of age, hyperglycemia, BMI, platelet count, albumin, and the AST/ALT ratio. Significant liver fibrosis was defined as NFS ≥-1.455. Results After adjusting for other variables, MetS was positively associated with significant liver fibrosis. Subjects with both MetS and betel quid chewing had a higher associated risk of significant liver fibrosis than those with neither MetS nor betel quid chewing (adjusted OR: 3.03, 95% CI: 2.04–4.50, p < 0.001). Betel quid chewing was associated with significant liver fibrosis (adjusted OR: 2.00, 95% CI: 1.14–3.49, p = 0.015) in subjects with MetS, but not in subjects without. Conclusion Metabolic syndrome increased the associated risk of significant liver fibrosis. Cumulative betel quid exposure increased the associated risk of significant liver fibrosis in subjects with MetS, but not in subjects without.
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Affiliation(s)
- Yu-Tsung Chou
- Department of Health Management Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Zih-Jie Sun
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Family Medicine, National Cheng Kung University Hospital Dou-Liou Branch, College of Medicine, National Cheng Kung University, Yunlin, Taiwan
| | - Wei-Chen Shen
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yi-Ching Yang
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Family Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Feng-Hwa Lu
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Family Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Community Healthcare Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Geriatric Medicine, School of Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chih-Jen Chang
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Family Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, Taiwan
| | - Chung-Yi Li
- Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Public Health, College of Public Health, China Medical University, Taichung, Taiwan
| | - Jin-Shang Wu
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Family Medicine, National Cheng Kung University Hospital Dou-Liou Branch, College of Medicine, National Cheng Kung University, Yunlin, Taiwan
- Department of Family Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- *Correspondence: Jin-Shang Wu
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119
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Cheng Y, Wang C. Comparison of Mac‐2 binding protein glycosylation isomer (M2BPGi) with AST to Platelet Ratio Index (APRI), Fibrosis 4 Score (FIB‐4), and Non‐alcoholic Fatty Liver Disease (NAFLD) Fibrosis Score (NFS) for NAFLD patients. ADVANCES IN DIGESTIVE MEDICINE 2022. [DOI: 10.1002/aid2.13315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yu‐Ming Cheng
- Department of Gastroenterology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation and School of Medicine Tzu Chi University Hualien Taiwan
| | - Chia‐Chi Wang
- Department of Gastroenterology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation and School of Medicine Tzu Chi University Hualien Taiwan
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Luu NM, Nguyen TKT, Vu TT, Dinh TS, Luu NH, Do TTT, Nguyen VS, Ha TBV, Nguyen DC, Tran TH, Phung TTH, Duong XP, Khuong QL, Nguyen TTT, Saw YM, Hoang TNA, Nguyen TN. Progression of liver fibrosis and associated factors among chronic hepatitis B patients at a general hospital in Northern Vietnam. NAGOYA JOURNAL OF MEDICAL SCIENCE 2022; 84:19-28. [PMID: 35392005 PMCID: PMC8971045 DOI: 10.18999/nagjms.84.1.19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 05/12/2021] [Indexed: 11/30/2022]
Abstract
Evaluation of liver fibrosis is necessary to make the therapeutic decision and assess the prognosis of CHB patients. The current study aimed to describe the progression and identify some influencing factors in patients with chronic hepatitis B at a General Hospital in Northern Vietnam. The longitudinal study included 55 eligible subjects diagnosed Hepatitis-B-virus. Dependent variable was the aspartate aminotransferase/platelet ratio index and we collected some demographic variables and disease related and behaviour variables. Bayesian Model Averaging was used to select variables into model. Mixed-effect linear models were used to evaluate the change of the aspartate aminotransferase/platelet ratio index over time and identify related factors. the aspartate aminotransferase/platelet ratio index differences between examinations, age of participants, working status were statistically significant. This pattern indicated that the average the aspartate aminotransferase/platelet ratio index of the population decreased by 0.005 (95% CI=-0.009; -0.001) after each patient's visit, and increased by 0.013 if the patient's age increased by 1 year (95% CI=0.005; 0.0219). For non-working patients, the aspartate aminotransferase/platelet ratio index was lower, coefficient was -0.054 (95% CI=-0.108; 0.001). Other variables such as gender, education level, time for disease detection, drinking tea, alcohol consumption, forgetting to take medicine and the aspartate aminotransferase/platelet ratio index were not significantly different. The study showed that the majority of study subjects had average the aspartate aminotransferase/platelet ratio index, and were relatively well controlled and treated during the study. Age and working status are factors that influence the the aspartate aminotransferase/platelet ratio index.
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Affiliation(s)
- Ngoc Minh Luu
- Institute for Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam
| | | | - Thu Trang Vu
- Institute for Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam
| | - Thai Son Dinh
- Institute for Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam
| | - Ngoc Hoat Luu
- Medical Faculty, Phenikaa University, Hanoi, Vietnam
| | - Thi Thanh Toan Do
- Institute for Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam
| | | | | | | | | | | | | | - Quynh Long Khuong
- Center for Population Health Sciences, Hanoi University of Public Health, Hanoi, Vietnam
| | - Thi Thu Trang Nguyen
- Division of Public Health and Nutrition, General Department of Preventive Medicine, Ministry of Health, Hanoi, Vietnam
| | - Yu Mon Saw
- Graduate School of Medicine, Nagoya University, Nagoya, Japan
| | - Thi Ngoc Anh Hoang
- Department of Epidemiology, National Institute of Hygiene and Epidemiology, Hanoi, Vietnam
| | - Thi Nhan Nguyen
- Foreign Language Department, Hanoi Medical University, Hanoi, Vietnam
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Hemosiderin Accumulation in Liver Decreases Iron Availability in Tachycardia-Induced Porcine Congestive Heart Failure Model. Int J Mol Sci 2022; 23:ijms23031026. [PMID: 35162949 PMCID: PMC8834801 DOI: 10.3390/ijms23031026] [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: 12/06/2021] [Revised: 01/05/2022] [Accepted: 01/12/2022] [Indexed: 02/02/2023] Open
Abstract
Despite advances in the management of iron deficiency in heart failure (HF), the mechanisms underlying the effects of treatment remain to be established. Iron distribution and metabolism in HF pathogenesis need to be clarified. We used a porcine tachycardia-induced cardiomyopathy model to find out how HF development influences hepatic and myocardial iron storing, focusing on ferritin, the main iron storage protein. We found that cumulative liver congestion (due to the decrease of heart function) overwhelms its capacity to recycle iron from erythrocytes. As a consequence, iron is trapped in the liver as poorly mobilized hemosiderin. What is more, the ferritin-bound Fe3+ (reflecting bioavailable iron stores), and assembled ferritin (reflecting ability to store iron) are decreased in HF progression in the liver. We demonstrate that while HF pigs show iron deficiency indices, erythropoiesis is enhanced. Renin–angiotensin–aldosterone system activation and hepatic hepcidin suppression might indicate stress erythropoiesisinduced in HF. Furthermore, assembled ferritin increases but ferritin-bound Fe3+ is reduced in myocardium, indicating that a failing heart increases the iron storage reserve but iron deficiency leads to a drop in myocardial iron stores. Together, HF in pigs leads to down-regulated iron bioavailability and reduced hepatic iron storage making iron unavailable for systemic/cardiac needs.
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122
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Naughton M, Redmond P, Durbaba S, Ashworth M, Molokhia M. Determinants of long-term opioid prescribing in an urban population- a cross sectional study. Br J Clin Pharmacol 2022; 88:3172-3181. [PMID: 35018644 PMCID: PMC9305420 DOI: 10.1111/bcp.15231] [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: 09/23/2020] [Revised: 04/12/2021] [Accepted: 12/07/2021] [Indexed: 11/02/2022] Open
Abstract
BACKGROUND Opioid prescribing has more than doubled in the UK between 1998 and 2016. Potential adverse health implications include dependency, falls and increased health expenditure. AIM To describe the predictors of long-term opioid prescribing (LTOP), (≥3 opioid prescriptions in a 90-day period). DESIGN AND SETTING A retrospective cross-sectional study in 41 General Practices in South London. METHOD Multi-level multivariable logistic regression to investigate the determinants of LTOP. RESULTS 2,679 (0.8%) out of 320,639 registered patients ≥18 years were identified as having LTOP. Patients Were most likely to have LTOP, if: they had ≥5 long term conditions (LTCs) (adjusted odds ratio [AOR] 36.5, 95% confidence interval [CI] 30.4-43.8) or 2-4 LTCs (AOR 13.8, CI 11.9-16.1), in comparison to no LTCs, ≥75 years compared to 18-24 years (AOR 12.31, CI 7.1-21.5), smokers compared to non-smokers (AOR 2.2, CI 2.0-2.5), females compared to males (AOR 1.9, CI 1.7-2.0) and in the most deprived deprivation quintile (AOR 1.6, CI 1.4-1.8) compared to the least deprived. In a separate model examining individual long-term conditions (LTCs), the strongest associations for LTOP were noted for sickle cell disease (SCD) (AOR 18.4, CI 12.8-26.4), osteoarthritis (AOR 3.0, CI 2.8-3.3), rheumatoid arthritis (AOR 2.8, CI 2.2-3.4), depression (AOR 2.6, CI 2.3-2.8) and multiple sclerosis (OR 2.5, CI 1.4-4.4). CONCLUSION LTOP was significantly higher in those aged ≥75 years, with multi-morbidity or specific LTCs: sickle cell disease, osteoarthritis, rheumatoid arthritis, depression, and multiple sclerosis. These characteristics may enable the design of targeted interventions to reduce LTOP.
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Affiliation(s)
- Michael Naughton
- Department of Population Health Sciences & Environmental Sciences, King's College London
| | - Patrick Redmond
- School of Population Health & Environmental Sciences, King's College London
| | - Stevo Durbaba
- Department of Population Health Sciences, King's College London
| | - Mark Ashworth
- Department of Population Health Sciences, King's College London
| | - Mariam Molokhia
- Department of Population Health Sciences, King's College London
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Kim KH, Lee KA. Metabolic Rewiring by Human Placenta-Derived Mesenchymal Stem Cell Therapy Promotes Rejuvenation in Aged Female Rats. Int J Mol Sci 2022; 23:ijms23010566. [PMID: 35008991 PMCID: PMC8745533 DOI: 10.3390/ijms23010566] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/22/2021] [Accepted: 12/30/2021] [Indexed: 01/17/2023] Open
Abstract
Aging is a degenerative process involving cell function deterioration, leading to altered metabolic pathways, increased metabolite diversity, and dysregulated metabolism. Previously, we reported that human placenta-derived mesenchymal stem cells (hPD-MSCs) have therapeutic effects on ovarian aging. This study aimed to identify hPD-MSC therapy-induced responses at the metabolite and protein levels and serum biomarker(s) of aging and/or rejuvenation. We observed weight loss after hPD-MSC therapy. Importantly, insulin-like growth factor-I (IGF-I), known prolongs healthy life spans, were markedly elevated in serum. Capillary electrophoresis-time-of-flight mass spectrometry (CE-TOF/MS) analysis identified 176 metabolites, among which the levels of 3-hydroxybutyric acid, glycocholic acid, and taurine, which are associated with health and longevity, were enhanced after hPD-MSC stimulation. Furthermore, after hPD-MSC therapy, the levels of vitamin B6 and its metabolite pyridoxal 5′-phosphate were markedly increased in the serum and liver, respectively. Interestingly, hPD-MSC therapy promoted serotonin production due to increased vitamin B6 metabolism rates. Increased liver serotonin levels after multiple-injection therapy altered the expression of mRNAs and proteins associated with hepatocyte proliferation and mitochondrial biogenesis. Changes in metabolites in circulation after hPD-MSC therapy can be used to identify biomarker(s) of aging and/or rejuvenation. In addition, serotonin is a valuable therapeutic target for reversing aging-associated liver degeneration.
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Liu D, Ouyang Y, Chen R, Wang M, Ai C, El-Seedi HR, Sarker MMR, Chen X, Zhao C. Nutraceutical potentials of algal ulvan for healthy aging. Int J Biol Macromol 2022; 194:422-434. [PMID: 34826453 DOI: 10.1016/j.ijbiomac.2021.11.084] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 11/12/2021] [Accepted: 11/14/2021] [Indexed: 01/14/2023]
Abstract
Several theories for aging are constantly put forth to explain the underlying mechanisms. Oxidative stress, DNA dysfunction, inflammation, and mitochondrial dysfunction, along with the release of cytochrome c are some of these theories. Diseases such as type 2 diabetes mellitus, intestinal dysfunction, cardiovascular diseases, hepatic injury, and even cancer develop with age and eventually cause death. Ulva polysaccharides, owing to their special structures and various functions, have emerged as desirable materials for keeping healthy. These polysaccharide structures are found to be closely related to the extraction methods, seaweed strains, and culture conditions. Ulvan is a promising bioactive substance, a potential functional food, which can regulate immune cells to augment inflammation, control the activity of aging-related genes, promote tumor senescence, enhance mitochondrial function, maintain liver balance, and protect the gut microbiome from inflammatory attacks. Given the desirable physiochemical and gelling properties of ulvan, it would serve to improve the quality and shelf-life of food.
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Affiliation(s)
- Dan Liu
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China; College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yuezhen Ouyang
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China; College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Ruoxin Chen
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China; College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Mingfu Wang
- Food and Nutrition Department, Providence University, Taichung 43301, Taiwan
| | - Chao Ai
- Department of Food Science & Technology, National University of Singapore, Singapore 117543, Singapore
| | - Hesham R El-Seedi
- Pharmacognosy Group, Department of Pharmaceutical Biosynthesis, Uppsala University, Biomedical Centre, Box 574, SE-751 23 Uppsala, Sweden
| | - Md Moklesur Rahman Sarker
- Department of Pharmacy, State University of Bangladesh, 77 Satmasjid Road, Dhanmondi, Dhaka 1205, Bangladesh
| | - Xinhua Chen
- Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Chao Zhao
- Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou 350002, China; College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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Li Y, Adeniji NT, Fan W, Kunimoto K, Török NJ. Non-alcoholic Fatty Liver Disease and Liver Fibrosis during Aging. Aging Dis 2022; 13:1239-1251. [PMID: 35855331 PMCID: PMC9286912 DOI: 10.14336/ad.2022.0318] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 03/18/2022] [Indexed: 01/10/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) and its progressive form non-alcoholic steatohepatitis (NASH) have emerged as the leading causes of chronic liver disease-related mortality. The prevalence of NAFLD/NASH is expected to increase given the epidemics of obesity and type 2 diabetes mellitus. Older patients are disproportionally affected by NASH and related complications such as progressive fibrosis, cirrhosis and hepatocellular carcinoma; however, they are often ineligible for liver transplantation due to their frailty and comorbidities, and effective medical treatments are still lacking. In this review we focused on pathways that are key to the aging process in the liver and perpetuate NAFLD/NASH, leading to fibrosis. In addition, we highlighted recent findings and cross-talks of normal and/or senescent liver cells, dysregulated nutrient sensing, proteostasis and mitochondrial dysfunction in the framework of changing metabolic milieu. Better understanding these pathways during preclinical and clinical studies will be essential to design novel and specific therapeutic strategies to treat NASH in the elderly.
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Affiliation(s)
| | | | | | | | - Natalie J. Török
- Correspondence should be addressed to: Dr. Natalie J. Török, Division of Gastroenterology and Hepatology, Stanford School of Medicine, Palo Alto, CA 94305, USA.
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Allencherril RP, Markides KS, Al Snih S. Liver Disease Among Mexican Americans Aged 67 Years and Older. J Prim Care Community Health 2022; 13:21501319221116231. [PMID: 35929017 PMCID: PMC9358553 DOI: 10.1177/21501319221116231] [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] [Indexed: 11/29/2022] Open
Abstract
Background: The Center for Disease Control and Prevention (CDC) reports that liver disease is a significant cause of morbidity and mortality in the US, afflicting 4.5 million people in 2018, or approximately 1.7% of the American adult population. Objective: To determine the prevalence and risk factors associated with liver disease among older Mexican Americans over 18 years of follow-up. Methods: Non-institutionalized Mexican Americans aged ≥67 years (N = 1938) from the Hispanic Established Population for the Epidemiologic Study of the Elderly (1995/96-2012/13) were studied. Measures included socio-demographic variables, self-reported liver disease, language of interview, medical conditions, hand-grip strength, physical and cognitive function, depressive symptoms, and body mass index. Generalized estimating equation models were used to estimate the odds ratio and 95% confidence interval (CI) of liver disease over time. Results: The mean age at baseline was 74.9 ± 6.0 years and 58.4% were female. The prevalence of liver disease ranged from 2.4% to 8.4%. Over time, the odds ratio of reporting liver disease was 1.17 (CI = 1.12-1.22). Older age, Spanish interview, arthritis, diabetes, heart failure, cancer, and high scores on the Mini-Mental-State-Examination were factors associated with greater odds of reporting liver disease over time. Married participants reported lower odds of liver disease over time. Conclusions: The prevalence of liver disease in this population was high, ranging from 2.4% to 8.4%. Diabetes, heart failure, arthritis, and cancer were risk factors for liver disease. Screening for liver function among patients with these morbidities may help prevent liver disease in this population with high rates of diabetes and obesity.
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Affiliation(s)
| | | | - Soham Al Snih
- The University of Texas Medical Branch, Galveston, TX, USA
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Wu L, Xie X, Liang T, Ma J, Yang L, Yang J, Li L, Xi Y, Li H, Zhang J, Chen X, Ding Y, Wu Q. Integrated Multi-Omics for Novel Aging Biomarkers and Antiaging Targets. Biomolecules 2021; 12:39. [PMID: 35053186 PMCID: PMC8773837 DOI: 10.3390/biom12010039] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 12/17/2021] [Accepted: 12/19/2021] [Indexed: 12/12/2022] Open
Abstract
Aging is closely related to the occurrence of human diseases; however, its exact biological mechanism is unclear. Advancements in high-throughput technology provide new opportunities for omics research to understand the pathological process of various complex human diseases. However, single-omics technologies only provide limited insights into the biological mechanisms of diseases. DNA, RNA, protein, metabolites, and microorganisms usually play complementary roles and perform certain biological functions together. In this review, we summarize multi-omics methods based on the most relevant biomarkers in single-omics to better understand molecular functions and disease causes. The integration of multi-omics technologies can systematically reveal the interactions among aging molecules from a multidimensional perspective. Our review provides new insights regarding the discovery of aging biomarkers, mechanism of aging, and identification of novel antiaging targets. Overall, data from genomics, transcriptomics, proteomics, metabolomics, integromics, microbiomics, and systems biology contribute to the identification of new candidate biomarkers for aging and novel targets for antiaging interventions.
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Affiliation(s)
- Lei Wu
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (L.W.); (X.X.); (T.L.); (L.Y.); (J.Y.); (L.L.); (Y.X.); (H.L.); (J.Z.)
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China; (J.M.); (X.C.)
| | - Xinqiang Xie
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (L.W.); (X.X.); (T.L.); (L.Y.); (J.Y.); (L.L.); (Y.X.); (H.L.); (J.Z.)
| | - Tingting Liang
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (L.W.); (X.X.); (T.L.); (L.Y.); (J.Y.); (L.L.); (Y.X.); (H.L.); (J.Z.)
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China; (J.M.); (X.C.)
| | - Jun Ma
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China; (J.M.); (X.C.)
| | - Lingshuang Yang
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (L.W.); (X.X.); (T.L.); (L.Y.); (J.Y.); (L.L.); (Y.X.); (H.L.); (J.Z.)
| | - Juan Yang
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (L.W.); (X.X.); (T.L.); (L.Y.); (J.Y.); (L.L.); (Y.X.); (H.L.); (J.Z.)
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China; (J.M.); (X.C.)
| | - Longyan Li
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (L.W.); (X.X.); (T.L.); (L.Y.); (J.Y.); (L.L.); (Y.X.); (H.L.); (J.Z.)
| | - Yu Xi
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (L.W.); (X.X.); (T.L.); (L.Y.); (J.Y.); (L.L.); (Y.X.); (H.L.); (J.Z.)
| | - Haixin Li
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (L.W.); (X.X.); (T.L.); (L.Y.); (J.Y.); (L.L.); (Y.X.); (H.L.); (J.Z.)
| | - Jumei Zhang
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (L.W.); (X.X.); (T.L.); (L.Y.); (J.Y.); (L.L.); (Y.X.); (H.L.); (J.Z.)
| | - Xuefeng Chen
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China; (J.M.); (X.C.)
| | - Yu Ding
- Department of Food Science and Technology, Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China
| | - Qingping Wu
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; (L.W.); (X.X.); (T.L.); (L.Y.); (J.Y.); (L.L.); (Y.X.); (H.L.); (J.Z.)
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Wang J, Du L, Tang H. Suppression of Interferon-α Treatment Response by Host Negative Factors in Hepatitis B Virus Infection. Front Med (Lausanne) 2021; 8:784172. [PMID: 34901094 PMCID: PMC8651562 DOI: 10.3389/fmed.2021.784172] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 11/03/2021] [Indexed: 02/05/2023] Open
Abstract
Chronic hepatitis B virus (CHB) infection remains a major global public health issue for which there is still lacking effective curative treatment. Interferon-α (IFN-α) and its pegylated form have been approved as an anti-HBV drug with the advantage of antiviral activity and host immunity against HBV infection enhancement, however, IFN-α treatment failure in CHB patients is a challenging obstacle with 70% of CHB patients respond poorly to exogenous IFN-α treatment. The IFN-α treatment response is negatively regulated by both viral and host factors, and the role of viral factors has been extensively illustrated, while much less attention has been paid to host negative factors. Here, we summarized evidence of host negative regulators and parameters involved in IFN-α therapy failure, review the mechanisms responsible for these effects, and discuss the possible improvement of IFN-based therapy and the rationale of combining the inhibitors of negative regulators in achieving an HBV cure.
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Affiliation(s)
- Jiayi Wang
- Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Lingyao Du
- Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
| | - Hong Tang
- Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China.,Division of Infectious Diseases, State Key Laboratory of Biotherapy and Center of Infectious Diseases, West China Hospital, Sichuan University, Chengdu, China
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Kayadibi H, Yilmaz B, Ozgur Yeniova A, Koseoglu H, Simsek Z. Development and evaluation of a novel noninvasive index for predicting significant fibrosis, advanced fibrosis, and cirrhosis in patients with chronic hepatitis B infection. Eur J Gastroenterol Hepatol 2021; 33:e121-e130. [PMID: 33177385 DOI: 10.1097/meg.0000000000001973] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND AND AIMS Development of noninvasive liver fibrosis indexes has been research of interest due to the limitations of liver biopsy. Therefore, we aimed to develop and evaluate the diagnostic accuracy of a novel noninvasive index for predicting significant fibrosis, advanced fibrosis and cirrhosis in patients with chronic hepatitis B (CHB) infection based on age and routine clinical laboratory tests. METHODS A total of 396 treatment naïve liver biopsy performed patients were divided into training (n = 262) and validation cohorts (n = 134). Histological staging was assessed by Ishak fibrosis scoring system. RESULTS In training cohort, we developed a novel fibrosis index, GAPI, using γ-glutamyl transpeptidase (GGT), age, platelet, and international normalized ratio (INR) results. The diagnostic accuracies of alanine aminotransferase ratio, age platelet index, aspartate aminotransferase to platelet ratio index, GGT to platelet ratio index, AST to lymphocyte ratio index, fibrosis index based on the four factors, Fibro Q, Goteborg University Cirrhosis Index, King's score, Pohl score, Wang I, fibrosis index, fibrosis cirrhosis index, cirrhosis discriminant score, Lok score, Doha score, Mehdi's model, GqHBsAg, neutrophil to lymphocyte ratio, platelet to lymphocyte ratio, RDW to lymphocyte ratio, RDW to platelet ratio, GGT/INR, GGT/albumin, white blood cell/platelet distribution width (PDW), mean platelet volume/PDW and platelet/PDW indexes were compared to GAPI index. For the prediction of significant fibrosis, advanced fibrosis and cirrhosis, the area under the receiver operating characteristic curves (AUROCs) of GAPI index were 0.776, 0.868, and 0.885 in training cohort, and 0.731, 0.883, and 0.919 in validation cohort, respectively. The AUROCs of the GAPI index were higher than those of the evaluated 27 noninvasive indexes to predict significant fibrosis, advanced fibrosis, and cirrhosis. CONCLUSION In resource limited settings, GAPI is a promising noninvasive liver fibrosis index for predicting significant fibrosis, advanced fibrosis and cirrhosis, and for decreasing the need for liver biopsy in patients with CHB infection using cutoff points of 2.00 and 3.50.
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Affiliation(s)
| | - Baris Yilmaz
- Department of Gastroenterology, Hitit University School of Medicine, Corum
| | - Abdullah Ozgur Yeniova
- Department of Gastroenterology, Tokat Gaziosmanpasa University School of Medicine, Tokat
| | - Huseyin Koseoglu
- Department of Gastroenterology, Hitit University School of Medicine, Corum
| | - Zahide Simsek
- Clinic of Gastroenterology, Diskapi Yildirim Beyazit Education and Research Hospital, Ankara
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Mohammed S, Thadathil N, Selvarani R, Nicklas EH, Wang D, Miller BF, Richardson A, Deepa SS. Necroptosis contributes to chronic inflammation and fibrosis in aging liver. Aging Cell 2021; 20:e13512. [PMID: 34761505 PMCID: PMC8672775 DOI: 10.1111/acel.13512] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 09/21/2021] [Accepted: 10/26/2021] [Indexed: 12/14/2022] Open
Abstract
Inflammaging, characterized by an increase in low-grade chronic inflammation with age, is a hallmark of aging and is strongly associated with various age-related diseases, including chronic liver disease (CLD) and hepatocellular carcinoma (HCC). Because necroptosis is a cell death pathway that induces inflammation through the release of DAMPs, we tested the hypothesis that age-associated increase in necroptosis contributes to chronic inflammation in aging liver. Phosphorylation of MLKL and MLKL oligomers, markers of necroptosis, as well as phosphorylation of RIPK3 and RIPK1 were significantly upregulated in the livers of old mice relative to young mice and this increase occurred in the later half of life (i.e., after 18 months of age). Markers of M1 macrophages, expression of pro-inflammatory cytokines (TNFα, IL6 and IL1β), and markers of fibrosis were all significantly upregulated in the liver with age and the change in necroptosis paralleled the changes in inflammation and fibrosis. Hepatocytes and liver macrophages isolated from old mice showed elevated levels of necroptosis markers as well as increased expression of pro-inflammatory cytokines relative to young mice. Short-term treatment with the necroptosis inhibitor, necrostatin-1s (Nec-1s), reduced necroptosis, markers of M1 macrophages, fibrosis, and cell senescence as well as reducing the expression of pro-inflammatory cytokines in the livers of old mice. Thus, our data show for the first time that liver aging is associated with increased necroptosis and necroptosis contributes to chronic inflammation in the liver, which in turn appears to contribute to liver fibrosis and possibly CLD.
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Affiliation(s)
| | | | | | - Evan H. Nicklas
- Department of Biochemistry and Molecular Biology Oklahoma City OK USA
| | - Dawei Wang
- Department of Biochemistry and Molecular Biology Oklahoma City OK USA
| | - Benjamin F. Miller
- Department of Biochemistry and Molecular Biology Oklahoma City OK USA
- Oklahoma Center for Geroscience & Brain Aging University of Oklahoma Health Sciences Center Oklahoma City OK USA
- Aging and Metabolism Research Program Oklahoma Medical Research Foundation Oklahoma City OK USA
| | - Arlan Richardson
- Stephenson Cancer Center Oklahoma City OK USA
- Department of Biochemistry and Molecular Biology Oklahoma City OK USA
- Oklahoma Center for Geroscience & Brain Aging University of Oklahoma Health Sciences Center Oklahoma City OK USA
- Oklahoma City VA medical Center Oklahoma City OK USA
| | - Sathyaseelan S. Deepa
- Stephenson Cancer Center Oklahoma City OK USA
- Department of Biochemistry and Molecular Biology Oklahoma City OK USA
- Oklahoma Center for Geroscience & Brain Aging University of Oklahoma Health Sciences Center Oklahoma City OK USA
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Köller A, Grzegorzewski J, König M. Physiologically Based Modeling of the Effect of Physiological and Anthropometric Variability on Indocyanine Green Based Liver Function Tests. Front Physiol 2021; 12:757293. [PMID: 34880776 PMCID: PMC8646094 DOI: 10.3389/fphys.2021.757293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 10/25/2021] [Indexed: 11/13/2022] Open
Abstract
Accurate evaluation of liver function is a central task in hepatology. Dynamic liver function tests (DLFT) based on the time-dependent elimination of a test substance provide an important tool for such a functional assessment. These tests are used in the diagnosis and monitoring of liver disease as well as in the planning of hepatobiliary surgery. A key challenge in the evaluation of liver function with DLFTs is the large inter-individual variability. Indocyanine green (ICG) is a widely applied test compound used for the evaluation of liver function. After an intravenous administration, pharmacokinetic (PK) parameters are calculated from the plasma disappearance curve of ICG which provide an estimate of liver function. The hepatic elimination of ICG is affected by physiological factors such as hepatic blood flow or binding of ICG to plasma proteins, anthropometric factors such as body weight, age, and sex, or the protein amount of the organic anion-transporting polypeptide 1B3 (OATP1B3) mediating the hepatic uptake of ICG. Being able to account for and better understand these various sources of inter-individual variability would allow to improve the power of ICG based DLFTs and move toward an individualized evaluation of liver function. Within this work we systematically analyzed the effect of various factors on ICG elimination by the means of computational modeling. For the analysis, a recently developed and validated physiologically based pharmacokinetics (PBPK) model of ICG distribution and hepatic elimination was utilized. Key results are (i) a systematic analysis of the variability in ICG elimination due to hepatic blood flow, cardiac output, OATP1B3 abundance, liver volume, body weight and plasma bilirubin level; (ii) the evaluation of the inter-individual variability in ICG elimination via a large in silico cohort of n = 100,000 subjects based on the NHANES cohort with special focus on stratification by age, sex, and body weight; (iii) the evaluation of the effect of various degrees of cirrhosis on variability in ICG elimination. The presented results are an important step toward individualizing liver function tests by elucidating the effects of confounding physiological and anthropometric parameters in the evaluation of liver function via ICG.
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Affiliation(s)
| | | | - Matthias König
- Institute for Theoretical Biology, Institute of Biology, Humboldt University, Berlin, Germany
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Nuclear pore complex maintenance and implications for age-related diseases. Trends Cell Biol 2021; 32:216-227. [PMID: 34782239 DOI: 10.1016/j.tcb.2021.10.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 10/04/2021] [Accepted: 10/07/2021] [Indexed: 12/31/2022]
Abstract
Nuclear pore complexes (NPCs) bridge the nucleus and the cytoplasm and are indispensable for crucial cellular activities, such as bidirectional molecular trafficking and gene transcription regulation. The discovery of long-lived proteins (LLPs) in NPCs from postmitotic cells raises the exciting possibility that the maintenance of NPC integrity might play an inherent role in lifelong cell function. Age-dependent deterioration of NPCs and loss of nuclear integrity have been linked to age-related decline in postmitotic cell function and degenerative diseases. In this review, we discuss our current understanding of NPC maintenance in proliferating and postmitotic cells, and how malfunction of nucleoporins (Nups) might contribute to the pathogenesis of various neurodegenerative and cardiovascular diseases.
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Jayadas TTP, Kumanan T, Gomes L, Jeewandara C, Malavige GN, Ranasinghe D, Jadi RS, Ramasamy R, Surendran SN. Regional Variation in Dengue Virus Serotypes in Sri Lanka and Its Clinical and Epidemiological Relevance. Diagnostics (Basel) 2021; 11:2084. [PMID: 34829432 PMCID: PMC8618005 DOI: 10.3390/diagnostics11112084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 11/05/2021] [Accepted: 11/08/2021] [Indexed: 01/19/2023] Open
Abstract
Dengue is a significant health concern in Sri Lanka, but diagnosis of the infecting dengue virus (DENV) serotype has hitherto been largely restricted to the Colombo district in the western province. Salinity tolerant Aedes vectors are present in the island's northern Jaffna peninsula, which is undergoing rapid groundwater salinization. Virus serotypes were determined by RT-qPCR in 107 and 112 patients diagnosed by NS1 antigen positivity from the Jaffna district in 2018 and 2019, respectively, and related to clinical characteristics. DENV1 and DENV2 were the most common serotypes in both years. Infections with multiple serotypes were not detected. DENV1 was significantly more prevalent in 2019 than 2018, while DENV3 was significantly more prevalent in 2018 than 2019 among the Jaffna patients. Limited genomic sequencing identified DENV1 genotype-I and DENV3 genotype-I in Jaffna patients in 2018. Dengue was more prevalent in working age persons and males among the serotyped Jaffna patients. DENV1 and DENV2 were the predominant serotypes in 2019 in the Colombo district. However, DENV1 and DENV3 were significantly more prevalent in Colombo compared with Jaffna in 2019. The differences in the prevalence of DENV1 and DENV3 between the Jaffna and Colombo districts in 2019 have implications for dengue epidemiology and vaccination. Salinity-tolerant Aedes vector strains, widespread in the Jaffna peninsula, may have contributed to differences in serotype prevalence compared with the Colombo district in 2019. Significant associations were not identified between virus serotypes and clinical characteristics among Jaffna patients.
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Affiliation(s)
| | | | - Laksiri Gomes
- Centre for Dengue Research, Department of Immunology and Molecular Medicine, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka; (L.G.); (C.J.); (G.N.M.); (D.R.)
| | - Chandima Jeewandara
- Centre for Dengue Research, Department of Immunology and Molecular Medicine, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka; (L.G.); (C.J.); (G.N.M.); (D.R.)
| | - Gathsaurie N. Malavige
- Centre for Dengue Research, Department of Immunology and Molecular Medicine, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka; (L.G.); (C.J.); (G.N.M.); (D.R.)
| | - Diyanath Ranasinghe
- Centre for Dengue Research, Department of Immunology and Molecular Medicine, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka; (L.G.); (C.J.); (G.N.M.); (D.R.)
| | - Ramesh S. Jadi
- Department of Microbiology and Immunology, University of North Carolina School of Medicine, Chapel Hill, NC 27599-7290, USA;
| | - Ranjan Ramasamy
- Department of Zoology, University of Jaffna, Jaffna 40000, Sri Lanka;
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Kim JK, Shin KK, Kim H, Hong YH, Choi W, Kwak YS, Han CK, Hyun SH, Cho JY. Korean Red Ginseng exerts anti-inflammatory and autophagy-promoting activities in aged mice. J Ginseng Res 2021; 45:717-725. [PMID: 34764726 PMCID: PMC8569327 DOI: 10.1016/j.jgr.2021.03.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/19/2021] [Accepted: 03/30/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Korean Red Ginseng (KRG) is a traditional herb that has several beneficial properties including anti-aging, anti-inflammatory, and autophagy regulatory effects. However, the mechanisms of these effects are not well understood. In this report, the underlying mechanisms of anti-inflammatory and autophagy-promoting effects were investigated in aged mice treated with KRG-water extract (WE) over a long period. METHODS The mechanisms of anti-inflammatory and autophagy-promoting activities of KRG-WE were evaluated in kidney, lung, liver, stomach, and colon of aged mice using semi-quantitative reverse transcription polymerase chain reaction (RT-PCR), quantitative RT-PCR (qRT-PCR), and western blot analysis. RESULTS KRG-WE significantly suppressed the mRNA expression levels of inflammation-related genes such as interleukin (IL)-1β, IL-8, tumor necrosis factor (TNF)-α, monocyte chemoattractant protein-1 (MCP-1), and IL-6 in kidney, lung, liver, stomach, and colon of the aged mice. Furthermore, KRG-WE downregulated the expression of transcription factors and their protein levels associated with inflammation in lung and kidney of aged mice. KRG-WE also increased the expression of autophagy-related genes and their protein levels in colon, liver, and stomach. CONCLUSION The results suggest that KRG can suppress inflammatory responses and recover autophagy activity in aged mice.
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Affiliation(s)
- Jin Kyeong Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, Republic of Korea
| | - Kon Kuk Shin
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, Republic of Korea
| | - Haeyeop Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, Republic of Korea
| | - Yo Han Hong
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, Republic of Korea
| | - Wooram Choi
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, Republic of Korea
| | - Yi-Seong Kwak
- R&D Headquarters, Korea Ginseng Corporation, Daejeon, Republic of Korea
| | - Chang-Kyun Han
- R&D Headquarters, Korea Ginseng Corporation, Daejeon, Republic of Korea
| | - Sun Hee Hyun
- R&D Headquarters, Korea Ginseng Corporation, Daejeon, Republic of Korea
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, Republic of Korea
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Wang RR, Gu HQ, Wei YY, Yang JX, Hou YX, Liu HM, Yang ZY, Wang XB, Jiang YY. Development and Validation of a Prognostic Model for One-year Survival of Cirrhosis Patients with First-ever Spontaneous Bacterial Peritonitis. J Clin Transl Hepatol 2021; 9:647-654. [PMID: 34722179 PMCID: PMC8516845 DOI: 10.14218/jcth.2021.00031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 04/09/2021] [Accepted: 04/27/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND AND AIMS Spontaneous bacterial peritonitis (SBP) is one of the leading causes of death in patients with liver cirrhosis. We aimed to establish a prognostic model to evaluate the 1-year survival of cirrhosis patients after the first episode of SBP. METHODS A prognostic model was developed based on a retrospective derivation cohort of 309 cirrhosis patients with first-ever SBP and was validated in a separate validation cohort of 141 patients. We used Uno's concordance, calibration curve, and decision curve (DCA) analysis to evaluate the discrimination, calibration, and clinical net benefit of the model. RESULTS A total of 59 (19.1%) patients in the derivation cohort and 42 (29.8%) patients in the validation cohort died over the course of 1 year. A prognostic model in nomogram form was developed with predictors including age [hazard ratio (HR): 1.25; 95% confidence interval (CI): 0.92-1.71], total serum bilirubin (HR: 1.66; 95% CI: 1.28-2.14), serum sodium (HR: 0.94; 95% CI: 0.90-0.98), history of hypertension (HR: 2.52; 95% CI: 1.44-4.41) and hepatic encephalopathy (HR: 2.06; 95% CI: 1.13-3.73). The nomogram had a higher concordance (0.79) compared with the model end-stage liver disease (0.67) or Child-Turcotte-Pugh (0.71) score. The nomogram also showed acceptable calibration (calibration slope, 1.12; Bier score, 0.15±0.21) and optimal clinical net benefit in the validation cohort. CONCLUSIONS This prediction model developed based on characteristics of first-ever SBP patients may benefit the prediction of patients' 1-year survival.
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Affiliation(s)
- Rui-Rui Wang
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Hong-Qiu Gu
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- National Center for Healthcare Quality Management in Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Ying-Ying Wei
- The first Clinical School, Beijing University of Chinese Medicine, Beijing, China
| | - Jin-Xiang Yang
- Department of Gastroenterology, Beijing University of Chinese Medicine Third Affiliated Hospital, Beijing, China
| | - Yi-Xin Hou
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Hui-Min Liu
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Zhi-Yun Yang
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Xian-Bo Wang
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Yu-Yong Jiang
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
- Correspondence to: Yu-Yong Jiang, Beijing Diantan Hospital, Capital Medical University, Beijing 100015, China. ORCID: https://orcid.org/0000-0002-6082-1180. Tel: +86-13552175162, E-mail:
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136
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Skurikhin EG, Afanas'ev SA, Zhukova MA, Rebrova TY, Muslimova EF, Pan ES, Ermakova NN, Pershina OV, Pakhomova AV, Putrova OD, Sandrikina LA, Kogai LV, Dygai AM. Age-Related Features of the Viscosity of Plasma and Mitochondrial Membranes of Hepatocytes in Liver Cirrhosis. Bull Exp Biol Med 2021; 171:707-712. [PMID: 34705170 DOI: 10.1007/s10517-021-05300-6] [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: 03/09/2021] [Indexed: 11/27/2022]
Abstract
The viscosity of plasma and mitochondrial membranes of hepatocytes was studied in young (3-month-old) and old (9-month-old) male Wistar rats. It was shown that viscosity of hepatocyte plasma and mitochondrial membranes in young rats under optimal vital functions in the area of protein-lipid membrane contacts was significantly lower than in old rats. No age-related differences in the viscosity of lipid-lipid membrane contacts and in the polarity of protein-lipid contacts and lipid layers were found. Liver cirrhosis induced by carbon tetrachloride and ethanol administration was associated with increased fluidity of the plasma and mitochondrial membranes of hepatocytes in rats of both age groups. The decrease in membrane viscosity in young rats occurred due to a decrease of the viscosity in the area of protein-lipid and lipid-lipid contacts, while in old rats in the area of protein-lipid contacts. Carbon tetrachloride and ethanol did not affect the polarity of lipid contacts and lipid layers.
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Affiliation(s)
- E G Skurikhin
- Laboratory of Regenerative Pharmacology, E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk, Russia.
| | - S A Afanas'ev
- Research Institute of Cardiology, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - M A Zhukova
- Laboratory of Regenerative Pharmacology, E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk, Russia
| | - T Yu Rebrova
- Research Institute of Cardiology, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - E F Muslimova
- Research Institute of Cardiology, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - E S Pan
- Laboratory of Regenerative Pharmacology, E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk, Russia
| | - N N Ermakova
- Laboratory of Regenerative Pharmacology, E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk, Russia
| | - O V Pershina
- Laboratory of Regenerative Pharmacology, E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk, Russia
| | - A V Pakhomova
- Laboratory of Regenerative Pharmacology, E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk, Russia
| | - O D Putrova
- Laboratory of Regenerative Pharmacology, E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk, Russia
| | - L A Sandrikina
- Laboratory of Regenerative Pharmacology, E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk, Russia
| | - L V Kogai
- Laboratory of Regenerative Pharmacology, E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk, Russia
| | - A M Dygai
- Laboratory of Regenerative Pharmacology, E. D. Goldberg Research Institute of Pharmacology and Regenerative Medicine, Tomsk, Russia
- Research Institute of General Pathology and Pathophysiology, Moscow, Russia
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137
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Involvement of Autophagy in Ageing and Chronic Cholestatic Diseases. Cells 2021; 10:cells10102772. [PMID: 34685751 PMCID: PMC8534511 DOI: 10.3390/cells10102772] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/05/2021] [Accepted: 10/13/2021] [Indexed: 01/18/2023] Open
Abstract
Autophagy is a “housekeeping” lysosomal degradation process involved in numerous physiological and pathological processes in all eukaryotic cells. The dysregulation of hepatic autophagy has been described in several conditions, from obesity to diabetes and cholestatic disease. We review the role of autophagy, focusing on age-related cholestatic diseases, and discuss its therapeutic potential and the molecular targets identified to date. The accumulation of toxic BAs is the main cause of cell damage in cholestasis patients. BAs and their receptor, FXR, have been implicated in the regulation of hepatic autophagy. The mechanisms by which cholestasis induces liver damage include mitochondrial dysfunction, oxidative stress and ER stress, which lead to cell death and ultimately to liver fibrosis as a compensatory mechanism to reduce the damage. The stimulation of autophagy seems to ameliorate the liver damage. Autophagic activity decreases with age in several species, whereas its basic extends lifespan in animals, suggesting that it is one of the convergent mechanisms of several longevity pathways. No strategies aimed at inducing autophagy have yet been tested in cholestasis patients. However, its stimulation can be viewed as a novel therapeutic strategy that may reduce ageing-dependent liver deterioration and also mitigate hepatic steatosis.
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138
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Pryimak N, Zaiachuk M, Kovalchuk O, Kovalchuk I. The Potential Use of Cannabis in Tissue Fibrosis. Front Cell Dev Biol 2021; 9:715380. [PMID: 34708034 PMCID: PMC8542845 DOI: 10.3389/fcell.2021.715380] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 09/06/2021] [Indexed: 01/06/2023] Open
Abstract
Fibrosis is a condition characterized by thickening or/and scarring of various tissues. Fibrosis may develop in almost all tissues and organs, and it may be one of the leading causes of morbidity and mortality. It provokes excessive scarring that excels the usual wound healing response to trauma in numerous organs. Currently, very little can be done to prevent tissue fibrosis, and it is almost impossible to reverse it. Anti-inflammatory and immunosuppressive drugs are among the few treatments that may be efficient in preventing fibrosis. Numerous publications suggest that cannabinoids and extracts of Cannabis sativa have potent anti-inflammatory and anti-fibrogenic properties. In this review, we describe the types and mechanisms of fibrosis in various tissues and discuss various strategies for prevention and dealing with tissue fibrosis. We further introduce cannabinoids and their potential for the prevention and treatment of fibrosis, and therefore for extending healthy lifespan.
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Affiliation(s)
| | | | - Olga Kovalchuk
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB, Canada
| | - Igor Kovalchuk
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB, Canada
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139
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Bagheri Y, Sadigh-Eteghad S, Fathi E, Mahmoudi J, Abdollahpour A, Namini NJ, Malekinejad Z, Mokhtari K, Barati A, Montazersaheb S. Hepatoprotective effects of sericin on aging-induced liver damage in mice. Naunyn Schmiedebergs Arch Pharmacol 2021; 394:2441-2450. [PMID: 34605941 DOI: 10.1007/s00210-021-02160-9] [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: 03/29/2021] [Accepted: 09/14/2021] [Indexed: 11/30/2022]
Abstract
Aging is a physiological process in which there is a progressive decline of function in multiple organs such as the liver. The development of natural therapies, such as sericin, for delaying age-associated diseases is of major interest in this regard. Twenty-seven mice were divided into three groups of nine, including young control group (8 weeks, received normal saline), aged control group (24 months, received normal saline), and sericin-treated aged mice (24 months, received sericin at dose 100 mg/kg/day) via oral administration for 14 days. The liver enzymes in serum and oxidative stress markers in liver tissue were evaluated using spectrophotometric/ELISA methods. Apoptotic proteins, pro-inflammatory cytokines, COX2, JNK, and P-38 levels were assessed by western blot analysis. β-galactosidase expression was determined by a qRT-PCR method. The findings showed that 100 mg/kg of sericin reduced liver enzymes in aged mice. Antioxidant capacity in treated aged mice showed an improvement in all indexes in the liver tissue. Also, sericin administration declined pro-inflammatory markers to varying degrees in aged-treated mice. Sericin also increased the expression level of Bcl-2 and decreased the expression level of Bax and cleaved caspase-3.In addition, treatment with sericin suppressed protein expression of p-JNK and p-JNK/JNK. Collectively, these findings would infer that sericin administration may have a hepatoprotective effect in aging-induced liver damage in mice.
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Affiliation(s)
- Yasin Bagheri
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saeed Sadigh-Eteghad
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ezzatollah Fathi
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Javad Mahmoudi
- Neurosciences Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abdollah Abdollahpour
- Faculty of Veterinary Medicine, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Nasim Jalili Namini
- Faculty of Veterinary Medicine, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Zahra Malekinejad
- Faculty of Veterinary Medicine, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Kiarash Mokhtari
- Faculty of Veterinary Medicine, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Alireza Barati
- Faculty of Veterinary Medicine, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Soheila Montazersaheb
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Zia A, Farkhondeh T, Sahebdel F, Pourbagher-Shahri AM, Samarghandian S. Key miRNAs in Modulating Aging and Longevity: A Focus on Signaling Pathways and Cellular Targets. Curr Mol Pharmacol 2021; 15:736-762. [PMID: 34533452 DOI: 10.2174/1874467214666210917141541] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 05/02/2021] [Accepted: 05/24/2021] [Indexed: 11/22/2022]
Abstract
Aging is a multifactorial procedure accompanied by gradual deterioration of most biological procedures of cells. MicroRNAs (miRNAs) are a class of short non-coding RNAs that post-transcriptionally regulate the expression of mRNAs through sequence-specific binding, and contributing to many crucial aspects of cell biology. Several miRNAs are expressed differently in various organisms through aging. The function of miRNAs in modulating aging procedures has been disclosed recently with the detection of miRNAs that modulate longevity in the invertebrate model organisms, through the IIS pathway. In these model organisms, several miRNAs have been detected to both negatively and positively regulate lifespan via commonly aging pathways. miRNAs modulate age-related procedures and disorders in different mammalian tissues by measuring their tissue-specific expression in older and younger counterparts, including heart, skin, bone, brain, and muscle tissues. Moreover, several miRNAs have been contributed to modulating senescence in different human cells, and the roles of these miRNAs in modulating cellular senescence have allowed illustrating some mechanisms of aging. The review discusses the available data on miRNAs through the aging process and we highlight the roles of miRNAs as aging biomarkers and regulators of longevity in cellular senescence, tissue aging, and organism lifespan.
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Affiliation(s)
- Aliabbas Zia
- Department of Biochemistry, Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Tahereh Farkhondeh
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Faezeh Sahebdel
- Department of Rehabilitation Medicine, University of Minnesota Medical School, Minneapolis, MN, United States
| | | | - Saeed Samarghandian
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran
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141
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Lomas-Soria C, Cox LA, Nathanielsz PW, Zambrano E. Sexual dimorphism in liver cell cycle and senescence signalling pathways in young and old rats. J Physiol 2021; 599:4309-4320. [PMID: 34387378 DOI: 10.1113/jp281822] [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: 04/23/2021] [Accepted: 08/06/2021] [Indexed: 11/08/2022] Open
Abstract
At the molecular level, cellular ageing involves changes in multiple gene pathways. Cellular senescence is both an important initiator and a consequence of natural ageing. Senescence results in changes in multiple cellular mechanisms that result in a natural decrease in cell cycle activity. Liver senescence changes impair hepatic function. Given the well-established sexual dimorphism in ageing, we hypothesized that the natural hepatic ageing process is driven by sex-dependent gene mechanisms. We studied our well-characterized normal, chow-fed rat ageing model, lifespan ∼850 days, in which we have reported ageing of metabolism, reproduction and endocrine function. We performed liver RNA-seq on males and females at 110 and 650 days to determine changes in the cell cycle and cellular senescence signalling pathways. We found that natural liver ageing shows sexual dimorphism in these pathways. RNA-seq revealed more male (3967) than female (283) differentially expressed genes between 110 and 650 days. Cell cycle pathway signalling changes in males showed decreased protein and expression of key genes (Cdk2, Cdk4, Cycd and PCNA) and increased expression ofp57 at 650 vs 110 days. In females, protein and gene expression of cell growth regulators, e.g. p15 and p21, which inhibit cell cycle G1 progression, were increased. The cell senescence pathway also showed sexual dimorphism. Igfbp3, mTOR and p62 gene and protein expression decreased in males while those ofTgfb3 increased in females. Understanding the involvement of cell cycling and cellular senescence pathways in natural ageing will advance evaluation of mechanisms associated with altered ageing and frailty trajectories. KEY POINTS: In rats RNA-seq analysis showed sexual dimorphism in gene expression across the life-course between 110 and 650 days of life. Fourteen times more liver transcriptome and six times more pathway changes were observed in males compared with females. Significant changes were observed in several signalling pathways during ageing. Bioinformatic analysis were focused on changes in genes and protein products related to cell cycle and cellular senescence pathways. Males showed decreased protein product and expression of the key genes Cdk2 and Cdk4 responsible for cell cycle progression while females increased protein product and expression of p21 and p15, key genes responsible for cell cycle arrest. In conclusion, normative rat hepatic ageing involves changes in cellular pathways that control cell cycle arrest but through changes in different genes in males and females. These findings identify mechanisms that underlie the well-established sexual dimorphism in ageing.
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Affiliation(s)
- Consuelo Lomas-Soria
- Departamento de Biología de la Reproducción, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Belisario Domínguez, Tlalpan, Mexico, 14080, Mexico.,CONACyT-Cátedras, Departamento de Biología de la Reproducción, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Belisario Domínguez, Tlalpan, Mexico, 14080, Mexico
| | - Laura A Cox
- Department of Internal Medicine, Section on Molecular Medicine, Center for Precision Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA.,Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Peter W Nathanielsz
- Department of Animal Science, University of Wyoming, Laramie, WY, USA.,Department of Genetics, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Elena Zambrano
- Departamento de Biología de la Reproducción, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Belisario Domínguez, Tlalpan, Mexico, 14080, Mexico
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Liver frailty and all-cause mortality in the older participants of the Salus in Apulia Study. GeroScience 2021; 44:835-845. [PMID: 34378088 DOI: 10.1007/s11357-021-00434-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 08/05/2021] [Indexed: 12/24/2022] Open
Abstract
The liver contribution to the biological network underlying physical frailty in aging is underestimated. How best to measure this contribution magnitude and impact on health risk trajectories in frail individuals is not yet entirely clear. We analyzed the association of a novel liver frailty phenotype with the risk of death in older participants of the Salus in Apulia Study cohort. Clinical and physical examination, routine biomarkers, medical history, and anthropometry were analyzed in 1929 older adults (65 +). Physical frailty was classified by Cardiovascular Health Study criteria, and liver fibrosis risk by fibrosis-4 (FIB-4). The liver frailty phenotype was defined as physical frailty plus high-risk liver fibrosis (score > 2.67). Physical frailty, high-risk liver fibrosis, and liver frailty subjects were compared to subjects without these conditions (non-frail). Proportional Cox regression tested the adjusted association between liver frailty and all-cause mortality for each category. The liver frailty prevalence was relatively low (3.8%), but higher in men (58.1%). Compared to non-frail older subjects, liver frailty subjects were significantly older (effect size (ES) - 1.11, 95% confidence interval (CI) - 1.35 to - 0.87), with a lower education (ES 0.48, 95%CI 0.24 to 0.71) and higher multimorbidity (ES 15.81, 95%CI 4.20 to 27.41). Cox multivariate analyses showed a two-fold increased risk of overall mortality (hazard ratio 2.09, 95%CI 1.16-3.74) even after the adjustment for age, sex, education, and alcohol consumption. The liver frailty phenotype runs twice the risk of overall mortality compared with the non-frail population. This clinical tool, validated in a Southern Italian population, is based on simple sets of measures that can conveniently be assessed also in the primary care setting.
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143
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The bright side of fibroblasts: molecular signature and regenerative cues in major organs. NPJ Regen Med 2021; 6:43. [PMID: 34376677 PMCID: PMC8355260 DOI: 10.1038/s41536-021-00153-z] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 07/22/2021] [Indexed: 02/07/2023] Open
Abstract
Fibrosis is a pathologic process characterized by the replacement of parenchymal tissue by large amounts of extracellular matrix, which may lead to organ dysfunction and even death. Fibroblasts are classically associated to fibrosis and tissue repair, and seldom to regeneration. However, accumulating evidence supports a pro-regenerative role of fibroblasts in different organs. While some organs rely on fibroblasts for maintaining stem cell niches, others depend on fibroblast activity, particularly on secreted molecules that promote cell adhesion, migration, and proliferation, to guide the regenerative process. Herein we provide an up-to-date overview of fibroblast-derived regenerative signaling across different organs and discuss how this capacity may become compromised with aging. We further introduce a new paradigm for regenerative therapies based on reverting adult fibroblasts to a fetal/neonatal-like phenotype.
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144
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Grunewald M, Kumar S, Sharife H, Volinsky E, Gileles-Hillel A, Licht T, Permyakova A, Hinden L, Azar S, Friedmann Y, Kupetz P, Tzuberi R, Anisimov A, Alitalo K, Horwitz M, Leebhoff S, Khoma OZ, Hlushchuk R, Djonov V, Abramovitch R, Tam J, Keshet E. Counteracting age-related VEGF signaling insufficiency promotes healthy aging and extends life span. Science 2021; 373:373/6554/eabc8479. [PMID: 34326210 DOI: 10.1126/science.abc8479] [Citation(s) in RCA: 132] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 01/19/2021] [Accepted: 06/06/2021] [Indexed: 12/16/2022]
Abstract
Aging is an established risk factor for vascular diseases, but vascular aging itself may contribute to the progressive deterioration of organ function. Here, we show in aged mice that vascular endothelial growth factor (VEGF) signaling insufficiency, which is caused by increased production of decoy receptors, may drive physiological aging across multiple organ systems. Increasing VEGF signaling prevented age-associated capillary loss, improved organ perfusion and function, and extended life span. Healthier aging was evidenced by favorable metabolism and body composition and amelioration of aging-associated pathologies including hepatic steatosis, sarcopenia, osteoporosis, "inflammaging" (age-related multiorgan chronic inflammation), and increased tumor burden. These results indicate that VEGF signaling insufficiency affects organ aging in mice and suggest that modulating this pathway may result in increased mammalian life span and improved overall health.
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Affiliation(s)
- M Grunewald
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel.
| | - S Kumar
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - H Sharife
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - E Volinsky
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - A Gileles-Hillel
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel.,Wohl Institute for Translational Medicine and the Goldyne Savad Institute for Gene Therapy, Hadassah Hospital, Jerusalem, Israel.,Pediatric Pulmonology and Sleep Unit, Department of Pediatrics, Hadassah Medical Center, Jerusalem, Israel
| | - T Licht
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - A Permyakova
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University, Jerusalem, Israel
| | - L Hinden
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University, Jerusalem, Israel
| | - S Azar
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University, Jerusalem, Israel
| | - Y Friedmann
- Bio-Imaging Unit, The Alexander Silberman Institute of Life Sciences, The Hebrew University, Jerusalem, Israel
| | - P Kupetz
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - R Tzuberi
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - A Anisimov
- Translational Cancer Biology Program, Research Programs Unit, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - K Alitalo
- Translational Cancer Biology Program, Research Programs Unit, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - M Horwitz
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - S Leebhoff
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - O Z Khoma
- Topographic and Clinical Anatomy, Institute of Anatomy, University of Bern, Bern, Switzerland
| | - R Hlushchuk
- Topographic and Clinical Anatomy, Institute of Anatomy, University of Bern, Bern, Switzerland
| | - V Djonov
- Topographic and Clinical Anatomy, Institute of Anatomy, University of Bern, Bern, Switzerland
| | - R Abramovitch
- Wohl Institute for Translational Medicine and the Goldyne Savad Institute for Gene Therapy, Hadassah Hospital, Jerusalem, Israel
| | - J Tam
- Obesity and Metabolism Laboratory, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University, Jerusalem, Israel
| | - E Keshet
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel.
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145
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Subhani M, Sheth A, Ahmad B, Ryder S. How to interpret and manage abnormal liver blood test results in older people. Br J Hosp Med (Lond) 2021; 82:1-8. [PMID: 34431345 DOI: 10.12968/hmed.2021.0114] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Ageing impairs liver function and reduces the liver's regenerative capacity. With the predicted increase in the older population, the burden of liver disease will proportionally rise in this age group. Elevated levels of liver enzymes in an otherwise asymptomatic older individual (≥65 years) are a common observation and positively associated with the metabolic syndrome, whereas a decline in albumin levels is linked with a rise in all-cause and liver-specific mortality. Deranged liver function tests do not always indicate liver disease, nor do normal liver function tests exclude liver disease. Therefore, clinicians need to consider individual patient risk factors during the assessment of abnormal liver function tests. This article discusses various liver function tests, their pathophysiology, and the approach to interpret and manage common abnormalities in liver function test results and liver disease in the older population.
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Affiliation(s)
- Mohsan Subhani
- Nottingham Digestive Diseases Biomedical Research Centre, School of Medicine, University of Nottingham, Nottingham, UK.,NIHR Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, UK
| | - Abhishek Sheth
- Nottingham Digestive Diseases Biomedical Research Centre, School of Medicine, University of Nottingham, Nottingham, UK.,NIHR Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and the University of Nottingham, Nottingham, UK
| | - Bilal Ahmad
- Department of Gastroenterology, Wrexham Maelor Hospital, Wrexham, UK
| | - Stephen Ryder
- Nottingham Digestive Diseases Biomedical Research Centre, School of Medicine, University of Nottingham, Nottingham, UK
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146
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Zhang S, Duan J, Du Y, Xie J, Zhang H, Li C, Zhang W. Long Non-coding RNA Signatures Associated With Liver Aging in Senescence-Accelerated Mouse Prone 8 Model. Front Cell Dev Biol 2021; 9:698442. [PMID: 34368149 PMCID: PMC8339557 DOI: 10.3389/fcell.2021.698442] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 06/29/2021] [Indexed: 01/10/2023] Open
Abstract
The liver is sensitive to aging because the risk of hepatopathy, including fatty liver, hepatitis, fibrosis, cirrhosis, and hepatocellular carcinoma, increases dramatically with age. Long non-coding RNAs (lncRNAs) are >200 nucleotides long and affect many pathological and physiological processes. A potential link was recently discovered between lncRNAs and liver aging; however, comprehensive and systematic research on this topic is still limited. In this study, the mouse liver genome-wide lncRNA profiles of 8-month-old SAMP8 and SAMR1 models were explored through deep RNA sequencing. A total of 605,801,688 clean reads were generated. Among the 2,182 identified lncRNAs, 28 were differentially expressed between SAMP8 and SAMR1 mice. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) surveys showed that these substantially dysregulated lncRNAs participated in liver aging from different aspects, such as lipid catabolic (GO: 0016042) and metabolic pathways. Further assessment was conducted on lncRNAs that are most likely to be involved in liver aging and related diseases, such as LNC_000027, LNC_000204E, NSMUST00000144661.1, and ENSMUST00000181906.1 acted on Ces1g. This study provided the first comprehensive dissection of lncRNA landscape in SAMP8 mouse liver. These lncRNAs could be exploited as potential targets for the molecular-based diagnosis and therapy of age-related liver diseases.
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Affiliation(s)
- Shuai Zhang
- International Cooperation Laboratory of Molecular Medicine, Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Juanjuan Duan
- Zhuhai Branch of State Key Laboratory of Earth Surface Processes and Resource Ecology, Advanced Institute of Natural Sciences, Beijing Normal University at Zhuhai, Zhuhai, China.,Engineering Research Center of Natural Medicine, Ministry of Education, Faculty of Geographical Science, Beijing Normal University, Beijing, China.,Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, China
| | - Yu Du
- International Cooperation Laboratory of Molecular Medicine, Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Jinlu Xie
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang, School of Medicine, Huzhou University, Huzhou Central Hospital, Huzhou, China
| | - Haijing Zhang
- Zhuhai Branch of State Key Laboratory of Earth Surface Processes and Resource Ecology, Advanced Institute of Natural Sciences, Beijing Normal University at Zhuhai, Zhuhai, China.,Engineering Research Center of Natural Medicine, Ministry of Education, Faculty of Geographical Science, Beijing Normal University, Beijing, China.,Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, China
| | - Changyu Li
- International Cooperation Laboratory of Molecular Medicine, Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Wensheng Zhang
- Zhuhai Branch of State Key Laboratory of Earth Surface Processes and Resource Ecology, Advanced Institute of Natural Sciences, Beijing Normal University at Zhuhai, Zhuhai, China.,Engineering Research Center of Natural Medicine, Ministry of Education, Faculty of Geographical Science, Beijing Normal University, Beijing, China.,Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, China.,National and Local United Engineering Research Center for Panax Notoginseng Resources Protection and Utilization Technology, Kunming, China
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147
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Michalak A, Lach T, Cichoż-Lach H. Oxidative Stress-A Key Player in the Course of Alcohol-Related Liver Disease. J Clin Med 2021; 10:jcm10143011. [PMID: 34300175 PMCID: PMC8303854 DOI: 10.3390/jcm10143011] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/04/2021] [Accepted: 07/05/2021] [Indexed: 12/12/2022] Open
Abstract
Oxidative stress is known to be an inseparable factor involved in the presentation of liver disorders. Free radicals interfere with DNA, proteins, and lipids, which are crucial in liver metabolism, changing their expression and biological functions. Additionally, oxidative stress modifies the function of micro-RNAs, impairing the metabolism of hepatocytes. Free radicals have also been proven to influence the function of certain transcriptional factors and to alter the cell cycle. The pathological appearance of alcohol-related liver disease (ALD) constitutes an ideal example of harmful effects due to the redox state. Finally, ethanol-induced toxicity and overproduction of free radicals provoke irreversible changes within liver parenchyma. Understanding the underlying mechanisms associated with the redox state in the course of ALD creates new possibilities of treatment for patients. The future of hepatology may become directly dependent on the effective action against reactive oxygen species. This review summarizes current data on the redox state in the natural history of ALD, highlighting the newest reports on this topic.
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Affiliation(s)
- Agata Michalak
- Department of Gastroenterology with Endoscopy Unit, Medical University of Lublin, Jaczewskiego 8, 20-090 Lublin, Poland;
| | - Tomasz Lach
- Department of Orthopedics and Traumatology, Medical University of Lublin, Jaczewskiego 8, 20-090 Lublin, Poland;
| | - Halina Cichoż-Lach
- Department of Gastroenterology with Endoscopy Unit, Medical University of Lublin, Jaczewskiego 8, 20-090 Lublin, Poland;
- Correspondence: ; Tel.: +48-601377656; Fax: +48-814796135
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148
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Han Q, Li H, Jia M, Wang L, Zhao Y, Zhang M, Zhang Q, Meng Z, Shao J, Yang Y, Zhu L. Age-related changes in metabolites in young donor livers and old recipient sera after liver transplantation from young to old rats. Aging Cell 2021; 20:e13425. [PMID: 34157207 PMCID: PMC8282239 DOI: 10.1111/acel.13425] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 05/14/2021] [Accepted: 06/09/2021] [Indexed: 12/18/2022] Open
Abstract
Liver ageing not only damages liver function but also harms systemic metabolism. To better understand the mechanisms underlying liver ageing, we transplanted the livers of young rats to young and old rats and performed untargeted metabolomics to detect changes in the metabolites in the liver tissues and sera. A total of 153 metabolites in the livers and 83 metabolites in the sera were different between the old and young rats that did not undergo liver transplantation; among these metabolites, 7 different metabolites were observed in both the livers and sera. Five weeks after liver transplantation, the levels of 25 metabolites in the young donor livers were similar to those in the old rats, and this result probably occurred due to the effect of the whole‐body environment of the older recipients on the young livers. The 25 altered metabolites included organic acids and derivatives, lipids and lipid‐like molecules, etc. In the sera, the differences in 78 metabolites, which were significant between the young and old rats, were insignificant in the old recipient rats and made the metabolic profile of the old recipients more similar to that of the young recipients. Finally, combining the above metabolomic data with the transcriptomic data from the GEO, we found that the altered metabolites and genes in the liver were enriched in 9 metabolic pathways, including glycerophospholipid, arachidonic acid, histidine and linoleate. Thus, this study revealed important age‐related metabolites and potential pathways as well as the interaction between the liver and the whole‐body environment.
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Affiliation(s)
- Qunhua Han
- Department of Geriatrics The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Zhejiang Provincial Key Laboratory for Diagnosis and Treatment of Aging and Physic‐chemical Injury Diseases The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Department of Pathology & Pathophysiology, and Cancer Institute of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
| | - Hui Li
- NHFPC Key Laboratory of Combined Multi‐Organ Transplantation The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
| | - Mengyuan Jia
- Department of Geriatrics The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Zhejiang Provincial Key Laboratory for Diagnosis and Treatment of Aging and Physic‐chemical Injury Diseases The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
| | - Lin Wang
- Zhejiang Provincial Key Laboratory of Pancreatic Disease The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
| | - Yulan Zhao
- Zhejiang Provincial Key Laboratory of Pancreatic Disease The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
| | - Mangli Zhang
- Department of Hepatobiliary and Pancreatic Surgery The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
| | - Qin Zhang
- Department of Geriatrics The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Zhejiang Provincial Key Laboratory for Diagnosis and Treatment of Aging and Physic‐chemical Injury Diseases The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
| | - Zhuoxian Meng
- Zhejiang Provincial Key Laboratory of Pancreatic Disease The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Department of Pathology and Pathophysiology, and Key Laboratory of Disease Proteomics of Zhejiang Province Zhejiang University School of Medicine Hangzhou China
| | - Jimin Shao
- Department of Pathology & Pathophysiology, and Cancer Institute of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Department of Pathology and Pathophysiology, and Key Laboratory of Disease Proteomics of Zhejiang Province Zhejiang University School of Medicine Hangzhou China
- Zhejiang University Cancer Center Hangzhou China
| | - Yunmei Yang
- Department of Geriatrics The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Zhejiang Provincial Key Laboratory for Diagnosis and Treatment of Aging and Physic‐chemical Injury Diseases The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
| | - Lijun Zhu
- Department of Geriatrics The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
- Zhejiang Provincial Key Laboratory for Diagnosis and Treatment of Aging and Physic‐chemical Injury Diseases The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China
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149
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Gupta S, Jiang Z, Ladiges W. The antidiabetic drug acarbose suppresses age-related lesions in C57BL/6 mice in an organ dependent manner. AGING PATHOBIOLOGY AND THERAPEUTICS 2021; 3:41-42. [PMID: 35083454 PMCID: PMC8789153 DOI: 10.31491/apt.2021.06.060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Acarbose (Acb) is an antidiabetic drug used to reduce blood glucose by inhibiting the conversion of complex carbohydrates into simple sugars. It has also shown promise as an anti-aging drug by increasing lifespan in mice but studies have not been reported on the effects of short-term treatment in aging mice. To address this question, 20-month-old C57BL/6 male and female mice were given a standard diet, or a diet supplemented with 1000 ppm Acb for 3 months. After this period, mice were assessed for age-related lesions as readouts for the delay in the progression of aging. Results showed there was a significant decrease in lesions of the heart and kidney in mice treated with Acb suggesting that Acb can suppress cardiac and renal pathology associated with increasing age.
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Affiliation(s)
- Sneh Gupta
- Department of Comparative Medicine, School of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Zhou Jiang
- Department of Comparative Medicine, School of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Warren Ladiges
- Department of Comparative Medicine, School of Medicine, University of Washington, Seattle, WA 98195, USA
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150
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Shirpoor M, Tofighi A, Shirpoor A, Pourjabali M, Chodari L. Effect of moderate exercises and curcumin on hepatic transcriptional factors associated with lipid metabolism and steatosis in elderly male rat. Res Pharm Sci 2021; 16:294-304. [PMID: 34221063 PMCID: PMC8216158 DOI: 10.4103/1735-5362.314828] [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: 08/31/2020] [Revised: 10/07/2020] [Accepted: 04/10/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND AND PURPOSE The specific molecular mediators involved in dyslipidemia in older people are not yet clearly understood. The current study was, thus, an attempt to investigate whether moderate aerobic exercises and curcumin administration alleviates the abnormalities caused by aging in the rats' liver. EXPERIMENTAL APPROACH Thirty-two eight-year-old young rats were classified into five groups, namely, young control, aged control, aged-curcumin, aged-exercise, and aged-curcumin-exercise co-treatment. The rats in the exercise groups were trained on an animal treadmill for 60 min/day five times per week for eight weeks. FINDINGS/RESULTS The results revealed a significant increase in FAT/CD36, PTP1B, significantly decreased HNF4α genes expression, increase in LDL and cholesterol in the aged group compared to the young control. Compared to those in the young control group, no significant changes in HDL and TG amounts in the aged control were observed. Moreover, compared to the young control, the aged group showed liver histological changes such as fibrosis and mild or grade 1 steatohepatitis. Moderate aerobic exercise and curcumin alone or in combination completely masked this effect. CONCLUSION AND IMPLICATIONS The findings revealed dyslipidemia and liver steatosis related to aging might be partly associated with changes in hepatic transcriptional factors which can be mitigated via moderate aerobic exercise and curcumin.
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Affiliation(s)
- Minoo Shirpoor
- Department of Exercise Physiology and Corrective Movements, Faculty of Sport Sciences, Urmia University, Urmia, I.R. Iran
| | - Asghar Tofighi
- Department of Exercise Physiology and Corrective Movements, Faculty of Sport Sciences, Urmia University, Urmia, I.R. Iran
| | - Alireza Shirpoor
- Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, I.R. Iran
- Nephrology and Kidney Transplant Research Center, Clinical Research Institute, Urmia University of Medical Science, Urmia, I.R. Iran
| | - Masoumeh Pourjabali
- Department of Pathology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, I.R. Iran
| | - Leila Chodari
- Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, I.R. Iran
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