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Wahyudianingsih R, Sanjaya A, Jonathan T, Pranggono EH, Achmad D, Hernowo BS. Chemotherapy's effects on autophagy in the treatment of Hodgkin's lymphoma: a scoping review. Discov Oncol 2024; 15:269. [PMID: 38976168 PMCID: PMC11231119 DOI: 10.1007/s12672-024-01142-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 07/02/2024] [Indexed: 07/09/2024] Open
Abstract
BACKGROUND Classical Hodgkin Lymphomas (HL) are a unique malignant growth with an excellent initial prognosis. However, 10-30% of patients will still relapse after remission. One primary cellular function that has been the focus of tumor progression is autophagy. This process can preserve cellular homeostasis under stressful conditions. Several studies have shown that autophagy may play a role in developing HL. Therefore, this review aimed to explore chemotherapy's effect on autophagy in HL, and the effects of autophagy on HL. METHODS A scoping review in line with the published PRISMA extension for scoping reviews (PRISMA-ScR) was conducted. A literature search was conducted on the MEDLINE database and the Cochrane Central Register of Controlled Trials (CENTRAL). All results were retrieved and screened, and the resulting articles were synthesized narratively. RESULTS The results showed that some cancer chemotherapy also induces autophagic flux. Although the data on HL is limited, since the mechanisms of action of these drugs are similar, we can infer a similar relationship. However, this increased autophagy activity may reflect a mechanism for increasing tumor growth or a cellular compensation to inhibit its growth. Although evidence supports both views, we argued that autophagy allowed cancer cells to resist cell death, mainly due to DNA damage caused by cytotoxic drugs. CONCLUSION Autophagy reflects the cell's adaptation to survive and explains why chemotherapy generally induces autophagy functions. However, further research on autophagy inhibition is needed as it presents a viable treatment strategy, especially against drug-resistant populations that may arise from HL chemotherapy regimens.
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Affiliation(s)
- Roro Wahyudianingsih
- Postgraduate Program of Biomedical Science, Faculty of Medicine, Universitas Padjadjaran, Bandung, West Java, Indonesia
- Department of Anatomical Pathology, Faculty of Medicine, Maranatha Christian University, Bandung, West Java, Indonesia
| | - Ardo Sanjaya
- Department of Anatomy, Faculty of Medicine, Maranatha Christian University, Bandung, Indonesia.
| | - Timothy Jonathan
- Undergraduate Program in Medicine, Faculty of Medicine, Maranatha Christian University, Bandung, Indonesia
| | - Emmy Hermiyanti Pranggono
- Department of Internal Medicine, Faculty of Medicine, Universitas Padjadjaran/Rumah Sakit Hasan Sadikin, Bandung, West Java, Indonesia
| | - Dimyati Achmad
- Department of Oncological Surgery, Faculty of Medicine, Universitas Padjadjaran/Rumah Sakit Hasan Sadikin, Bandung, West Java, Indonesia
| | - Bethy Suryawathy Hernowo
- Department of Anatomical Pathology, Faculty of Medicine, Universitas Padjadjaran/Rumah Sakit Hasan Sadikin, Bandung, West Java, Indonesia
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Zhang Y, Cheng X, Wu L, Li J, Liu C, Wei M, Zhu C, Huang H, Lin W. Pharmacological inhibition of S6K1 rescues synaptic deficits and attenuates seizures and depression in chronic epileptic rats. CNS Neurosci Ther 2024; 30:e14475. [PMID: 37736829 PMCID: PMC10945394 DOI: 10.1111/cns.14475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 08/11/2023] [Accepted: 08/27/2023] [Indexed: 09/23/2023] Open
Abstract
BACKGROUND Recent studies have shown that mTOR signaling plays an important role in synaptic plasticity. However, the function of S6K1, the mechanistic target of rapamycin kinase complex 1 (mTORC1) substrate, in epilepsy remains unknown. AIMS Our present study aimed to explore the mechanism by which S6K1 is involved in chronic epilepsy. METHODS First, immunostaining was used to measure neurite length and complexity in kainic acid (KA)-treated primary cultured neurons treated with PF-4708671, a highly selective S6K1 inhibitor. We obtained evidence for the role of S6K1 in protecting and promoting neuronal growth and development in vitro. Next, to explore the function and mechanism of the S6K1 inhibitor in epilepsy, a pilocarpine-induced chronic epileptic rat model was established. In vivo electrophysiology (including local field potentiation in CA1 and long-term potentiation), depression/anxiety-like behavior tests, and Golgi staining were performed to assess seizure behavior, power spectral density, depression/anxiety-like behavior, and synaptic plasticity. Furthermore, western blotting was applied to explore the potential molecular mechanisms. RESULTS We found that inhibition of S6K1 expression significantly decreased seizures and depression-like behavior and restored power at low frequencies (1-80 Hz), especially in the delta, theta, and alpha bands, in chronic epileptic rats. In addition, PF-4708671 reversed the LTP defect in hippocampal CA3-CA1 and corrected spine loss and dendritic pathology. CONCLUSION In conclusion, our data suggest that inhibition of S6K1 attenuates seizures and depression in chronic epileptic rats via the rescue of synaptic structural and functional deficits. Given the wide range of physiological functions of mTOR, inhibition of its effective but relatively simple functional downstream molecules is a promising target for the development of drugs for epilepsy.
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Affiliation(s)
- Yuying Zhang
- Fujian Medical University Union HospitalFuzhouChina
- Fujian Key Laboratory of Molecular NeurologyFujian Medical UniversityFuzhouChina
| | - Xiaojuan Cheng
- Fujian Medical University Second Affiliated HospitalQuanzhouChina
| | - Luyan Wu
- Fujian Medical University Union HospitalFuzhouChina
- Fujian Key Laboratory of Molecular NeurologyFujian Medical UniversityFuzhouChina
| | - Juan Li
- Fujian Medical University Union HospitalFuzhouChina
- Fujian Key Laboratory of Molecular NeurologyFujian Medical UniversityFuzhouChina
| | - Changyun Liu
- Fujian Medical University Union HospitalFuzhouChina
- Fujian Key Laboratory of Molecular NeurologyFujian Medical UniversityFuzhouChina
| | - Mingjia Wei
- Fujian Medical University Union HospitalFuzhouChina
- Fujian Key Laboratory of Molecular NeurologyFujian Medical UniversityFuzhouChina
| | - Chaofeng Zhu
- Fujian Medical University Union HospitalFuzhouChina
- Fujian Key Laboratory of Molecular NeurologyFujian Medical UniversityFuzhouChina
| | - Huapin Huang
- Fujian Medical University Union HospitalFuzhouChina
- Fujian Key Laboratory of Molecular NeurologyFujian Medical UniversityFuzhouChina
| | - Wanhui Lin
- Fujian Medical University Union HospitalFuzhouChina
- Fujian Key Laboratory of Molecular NeurologyFujian Medical UniversityFuzhouChina
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Blagosklonny MV. Towards disease-oriented dosing of rapamycin for longevity: does aging exist or only age-related diseases? Aging (Albany NY) 2023; 15:6632-6640. [PMID: 37477535 PMCID: PMC10415559 DOI: 10.18632/aging.204920] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 07/17/2023] [Indexed: 07/22/2023]
Abstract
Both individuals taking rapamycin, an anti-aging drug, and those not taking it will ultimately succumb to age-related diseases. However, the former, if administered disease-oriented dosages for a long time, may experience a delayed onset of such diseases and live longer. The goal is to delay a particular disease that is expected to be life-limiting in a particular person. Age-related diseases, quasi-programmed during development, progress at varying rates in different individuals. Rapamycin is a prophylactic anti-aging drug that decelerates early development of age-related diseases. I further discuss hyperfunction theory of quasi-programmed diseases, which challenges the need for the traditional concept of aging itself.
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Germanos AA, Arora S, Zheng Y, Goddard ET, Coleman IM, Ku AT, Wilkinson S, Song H, Brady NJ, Amezquita RA, Zager M, Long A, Yang YC, Bielas JH, Gottardo R, Rickman DS, Huang FW, Ghajar CM, Nelson PS, Sowalsky AG, Setty M, Hsieh AC. Defining cellular population dynamics at single-cell resolution during prostate cancer progression. eLife 2022; 11:e79076. [PMID: 36511483 PMCID: PMC9747158 DOI: 10.7554/elife.79076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 11/27/2022] [Indexed: 12/13/2022] Open
Abstract
Advanced prostate malignancies are a leading cause of cancer-related deaths in men, in large part due to our incomplete understanding of cellular drivers of disease progression. We investigate prostate cancer cell dynamics at single-cell resolution from disease onset to the development of androgen independence in an in vivo murine model. We observe an expansion of a castration-resistant intermediate luminal cell type that correlates with treatment resistance and poor prognosis in human patients. Moreover, transformed epithelial cells and associated fibroblasts create a microenvironment conducive to pro-tumorigenic immune infiltration, which is partially androgen responsive. Androgen-independent prostate cancer leads to significant diversification of intermediate luminal cell populations characterized by a range of androgen signaling activity, which is inversely correlated with proliferation and mRNA translation. Accordingly, distinct epithelial populations are exquisitely sensitive to translation inhibition, which leads to epithelial cell death, loss of pro-tumorigenic signaling, and decreased tumor heterogeneity. Our findings reveal a complex tumor environment largely dominated by castration-resistant luminal cells and immunosuppressive infiltrates.
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Affiliation(s)
- Alexandre A Germanos
- Division of Human Biology, Fred Hutchinson Cancer CenterSeattleUnited States
- University of Washington Molecular and Cellular Biology ProgramSeattleUnited States
| | - Sonali Arora
- Division of Human Biology, Fred Hutchinson Cancer CenterSeattleUnited States
| | - Ye Zheng
- Division of Vaccine and infectious Diseases, Fred Hutchinson Cancer CenterSeattleUnited States
| | - Erica T Goddard
- Division of Public Health Sciences, Translational Research Program, Fred Hutchinson Cancer CenterSeattleUnited States
| | - Ilsa M Coleman
- Division of Human Biology, Fred Hutchinson Cancer CenterSeattleUnited States
| | - Anson T Ku
- Laboratory of Genitourinary Cancer Pathogenesis, Center for Cancer Research, National Cancer Institute, NIHBethesdaUnited States
| | - Scott Wilkinson
- Laboratory of Genitourinary Cancer Pathogenesis, Center for Cancer Research, National Cancer Institute, NIHBethesdaUnited States
| | - Hanbing Song
- Division of Hematology/Oncology, Department of Medicine, University of California, San FranciscoSan FranciscoUnited States
| | - Nicholas J Brady
- Department of Pathology and Laboratory Medicine, Weill Cornell MedicineNew YorkUnited States
| | - Robert A Amezquita
- Division of Vaccine and infectious Diseases, Fred Hutchinson Cancer CenterSeattleUnited States
| | - Michael Zager
- Center for Data Visualization, Fred Hutchinson Cancer CenterSeattleUnited States
| | - Annalysa Long
- Division of Public Health Sciences, Translational Research Program, Fred Hutchinson Cancer CenterSeattleUnited States
| | - Yu Chi Yang
- Division of Human Biology, Fred Hutchinson Cancer CenterSeattleUnited States
| | - Jason H Bielas
- Division of Public Health Sciences, Translational Research Program, Fred Hutchinson Cancer CenterSeattleUnited States
| | - Raphael Gottardo
- Division of Vaccine and infectious Diseases, Fred Hutchinson Cancer CenterSeattleUnited States
- Division of Public Health Sciences, Translational Research Program, Fred Hutchinson Cancer CenterSeattleUnited States
| | - David S Rickman
- Department of Pathology and Laboratory Medicine, Weill Cornell MedicineNew YorkUnited States
| | - Franklin W Huang
- Division of Hematology/Oncology, Department of Medicine, University of California, San FranciscoSan FranciscoUnited States
| | - Cyrus M Ghajar
- Division of Human Biology, Fred Hutchinson Cancer CenterSeattleUnited States
- Division of Public Health Sciences, Translational Research Program, Fred Hutchinson Cancer CenterSeattleUnited States
| | - Peter S Nelson
- Division of Human Biology, Fred Hutchinson Cancer CenterSeattleUnited States
- University of Washington Departments of Medicine and Genome SciencesSeattleUnited States
| | - Adam G Sowalsky
- Laboratory of Genitourinary Cancer Pathogenesis, Center for Cancer Research, National Cancer Institute, NIHBethesdaUnited States
| | - Manu Setty
- Translational Data Science Integrated Research Center, Fred Hutchinson Cancer CenterSeattleUnited States
- Division of Basic Sciences, Fred Hutchinson Cancer CenterSeattleUnited States
| | - Andrew C Hsieh
- Division of Human Biology, Fred Hutchinson Cancer CenterSeattleUnited States
- University of Washington Departments of Medicine and Genome SciencesSeattleUnited States
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Fleyshman DI, Wakshlag JJ, Huson HJ, Loftus JP, Olby NJ, Brodsky L, Gudkov AV, Andrianova EL. Development of infrastructure for a systemic multidisciplinary approach to study aging in retired sled dogs. Aging (Albany NY) 2021; 13:21814-21837. [PMID: 34587118 PMCID: PMC8507265 DOI: 10.18632/aging.203600] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 09/25/2021] [Indexed: 12/14/2022]
Abstract
Canines represent a valuable model for mammalian aging studies as large animals with short lifespans, allowing longitudinal analyses within a reasonable time frame. Moreover, they develop a spectrum of aging-related diseases resembling that of humans, are exposed to similar environments, and have been reasonably well studied in terms of physiology and genetics. To overcome substantial variables that complicate studies of privately-owned household dogs, we have focused on a more uniform population composed of retired Alaskan sled dogs that shared similar lifestyles, including exposure to natural stresses, and are less prone to breed-specific biases than a pure breed population. To reduce variability even further, we have collected a population of 103 retired (8-11 years-old) sled dogs from multiple North American kennels in a specialized research facility named Vaika. Vaika dogs are maintained under standardized conditions with professional veterinary care and participate in a multidisciplinary program to assess the longitudinal dynamics of aging. The established Vaika infrastructure enables periodic gathering of quantitative data reflecting physical, physiological, immunological, neurological, and cognitive decline, as well as monitoring of aging-associated genetic and epigenetic alterations occurring in somatic cells. In addition, we assess the development of age-related diseases such as arthritis and cancer. In-depth data analysis, including artificial intelligence-based approaches, will build a comprehensive, integrated model of canine aging and potentially identify aging biomarkers that will allow use of this model for future testing of antiaging therapies.
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Affiliation(s)
| | - Joseph J Wakshlag
- Cornell University College of Veterinary Medicine, Ithaca, NY 14853, USA
| | - Heather J Huson
- Cornell University College of Agriculture and Life Sciences, Ithaca, NY 14853, USA
| | - John P Loftus
- Cornell University College of Veterinary Medicine, Ithaca, NY 14853, USA
| | - Natasha J Olby
- North Carolina State University College of Veterinary Medicine, Raleigh, NC 27606, USA
| | - Leonid Brodsky
- Tauber Bioinformatic Research Center, University of Haifa, Haifa, Israel
| | - Andrei V Gudkov
- Vaika, Inc., East Aurora, NY 14052, USA.,Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
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