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Pabon A, Bhupana JN, Wong CO. Crosstalk between degradation and bioenergetics: how autophagy and endolysosomal processes regulate energy production. Neural Regen Res 2025; 20:671-681. [PMID: 38886933 PMCID: PMC11433889 DOI: 10.4103/nrr.nrr-d-23-02095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 03/08/2024] [Accepted: 03/30/2024] [Indexed: 06/20/2024] Open
Abstract
Cells undergo metabolic reprogramming to adapt to changes in nutrient availability, cellular activity, and transitions in cell states. The balance between glycolysis and mitochondrial respiration is crucial for energy production, and metabolic reprogramming stipulates a shift in such balance to optimize both bioenergetic efficiency and anabolic requirements. Failure in switching bioenergetic dependence can lead to maladaptation and pathogenesis. While cellular degradation is known to recycle precursor molecules for anabolism, its potential role in regulating energy production remains less explored. The bioenergetic switch between glycolysis and mitochondrial respiration involves transcription factors and organelle homeostasis, which are both regulated by the cellular degradation pathways. A growing body of studies has demonstrated that both stem cells and differentiated cells exhibit bioenergetic switch upon perturbations of autophagic activity or endolysosomal processes. Here, we highlighted the current understanding of the interplay between degradation processes, specifically autophagy and endolysosomes, transcription factors, endolysosomal signaling, and mitochondrial homeostasis in shaping cellular bioenergetics. This review aims to summarize the relationship between degradation processes and bioenergetics, providing a foundation for future research to unveil deeper mechanistic insights into bioenergetic regulation.
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Affiliation(s)
- Angelid Pabon
- Department of Biological Sciences, Rutgers University, Newark, NJ, USA
| | | | - Ching-On Wong
- Department of Biological Sciences, Rutgers University, Newark, NJ, USA
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2
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Hu Y, Fan Q, Qiao B, Xu O, Lv B, Han N, Zhang X. Alleviatory Role of Panax Notoginseng Saponins in Modulating Inflammation and Pulmonary Vascular Remodeling in Chronic Obstructive Pulmonary Disease: mechanisms and Implications. COPD 2024; 21:2329282. [PMID: 38622983 DOI: 10.1080/15412555.2024.2329282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 03/06/2024] [Indexed: 04/17/2024]
Abstract
COPD is an inflammatory lung disease that limits airflow and remodels the pulmonary vascular system. This study delves into the therapeutic potential and mechanistic underpinnings of Panax notoginseng Saponins (PNS) in alleviating inflammation and pulmonary vascular remodeling in a COPD rat model. Symmap and ETCM databases provided Panax notoginseng-related target genes, and the CTD and DisGeNET databases provided COPD-related genes. Intersection genes were subjected to protein-protein interaction analysis and pathway enrichment to identify downstream pathways. A COPD rat model was established, with groups receiving varying doses of PNS and a Roxithromycin control. The pathological changes in lung tissue and vasculature were examined using histological staining, while molecular alterations were explored through ELISA, RT-PCR, and Western blot. Network pharmacology research suggested PNS may affect the TLR4/NF-κB pathway linked to COPD development. The study revealed that, in contrast to the control group, the COPD model exhibited a significant increase in inflammatory markers and pathway components such as TLR4, NF-κB, HIF-1α, VEGF, ICAM-1, SELE mRNA, and serum TNF-α, IL-8, and IL-1β. Treatment with PNS notably decreased these markers and mitigated inflammation around the bronchi and vessels. Taken together, the study underscores the potential of PNS in reducing lung inflammation and vascular remodeling in COPD rats, primarily via modulation of the TLR4/NF-κB/HIF-1α/VEGF pathway. This research offers valuable insights for developing new therapeutic strategies for managing and preventing COPD.
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Affiliation(s)
- Yanan Hu
- School of Basic Medical Science, Yunnan University of Chinese Medicine, Kunming, P. R. China
- Heze Hospital of Traditional Chinese Medicine, Heze, P. R. China
| | - Qiuyang Fan
- School of Basic Medical Science, Yunnan University of Chinese Medicine, Kunming, P. R. China
| | - Bo Qiao
- College of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, P. R. China
| | - Ou Xu
- Fuwai Yunnan Cardiovascular Hospital, Kunming, P. R. China
| | - Bijun Lv
- School of Basic Medical Science, Yunnan University of Chinese Medicine, Kunming, P. R. China
| | - Niping Han
- Molecular Biology for Sinomedicine, Yunnan Provincial Key Laboratory of Molecular Biology for Sinomedicine, Kunming, P. R. China
| | - Xiaomei Zhang
- Molecular Biology for Sinomedicine, Yunnan Provincial Key Laboratory of Molecular Biology for Sinomedicine, Kunming, P. R. China
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3
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Cai X, Yu M, Li B, Zhang Y, Han Y. Cobalt ions-derived nanoenzyme array for endosseous neural network reconstruction and osseointegration. Bioact Mater 2024; 42:1-17. [PMID: 39246698 PMCID: PMC11378756 DOI: 10.1016/j.bioactmat.2024.08.005] [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: 06/07/2024] [Revised: 07/20/2024] [Accepted: 08/07/2024] [Indexed: 09/10/2024] Open
Abstract
Interactions between bone cells and neurocytes are crucial for endosseous nerve and ensuing bone regeneration. However, absence of neural stem cells in bone makes the innervation of implant osseointegration a major challenge. Herein, a nanorod-like array of sodium hydrogen titanate (ST) co-doped with Co2+ and Co3+, namely STCh that behaves as a reactive oxygen species (ROS)-scavenging enzyme, was hydrothermally formed on Ti substrate. We show that the doped Co2+ and Co3+ locate at TiO6 octahedral interlayers and within octahedra of STCh lattice, appearing releasable and un-releasable, respectively, leading to an increase in Co3+/Co2+ ratio and enzyme activity of the array with immersion. The nanoenzyme-released Co2+ triggers macrophages (MΦs) towards M1 phenotype, then the nanoenzyme scavenges extracellular ROS inducing M1-to-M2 transition. The neurogenic factors secreted by STCh-regulated MΦs, in combination with the released Co2+, promote mesenchymal stem cells to differentiate into neurons and Schwann cells compared to sole Co2+and ST. STCh array greatly enhances nerve reconstruction, type-H capillary formation and ensuing osseointegration in normal rat bone, and antibacteria via engulfing S. aureus by MΦs and osteogenesis in infective case. This nanoenzyme provides an alternative strategy to orchestrate endosseous nerve regeneration for osseointegration without loading exogenous neurotrophins in implants.
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Affiliation(s)
- Xinmei Cai
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Meng Yu
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Bo Li
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yingang Zhang
- Department of Orthopaedics, The First Affiliated Hospital College of Medicine, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yong Han
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, 710049, China
- Department of Orthopaedics, The First Affiliated Hospital College of Medicine, Xi'an Jiaotong University, Xi'an, 710061, China
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4
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Kawamura A, Yoshida S, Yoshida K. The diverse functions of DYRK2 in response to cellular stress. Histol Histopathol 2024; 39:1427-1434. [PMID: 38656683 DOI: 10.14670/hh-18-744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
To maintain microenvironmental and cellular homeostasis, cells respond to multiple stresses by activating characteristic cellular mechanisms consisting of receptors, signal transducers, and effectors. Dysfunction of these mechanisms can trigger multiple human diseases as well as cancers. Dual-specificity tyrosine-regulated kinases (DYRKs) are members of the CMGC group and are evolutionarily conserved from yeast to mammals. Previous studies revealed that DYRK2 has important roles in the regulation of the cell cycle and survival in cancer cells. On the other hand, recent studies show that DYRK2 also exhibits significant functions in multiple cellular stress responses and in maintaining cellular homeostasis. Hence, the further elucidation of mechanisms underlying DYRK2's diverse responses to various stresses helps to promote the advancement of innovative clinical therapies and pharmacological drugs. This review summarizes the molecular mechanisms of DYRK2, particularly focusing on cellular stress responses.
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Affiliation(s)
- Akira Kawamura
- Department of Biochemistry, The Jikei University School of Medicine, Tokyo, Japan
| | - Saishu Yoshida
- Department of Biochemistry, The Jikei University School of Medicine, Tokyo, Japan
| | - Kiyotsugu Yoshida
- Department of Biochemistry, The Jikei University School of Medicine, Tokyo, Japan.
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Tran MN, Kim NS, Lee S. Biological network comparison identifies a novel synergistic mechanism of Ginseng Radix-Astragali Radix herb pair in cancer-related fatigue. JOURNAL OF ETHNOPHARMACOLOGY 2024; 333:118447. [PMID: 38885914 DOI: 10.1016/j.jep.2024.118447] [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: 12/21/2023] [Revised: 06/01/2024] [Accepted: 06/06/2024] [Indexed: 06/20/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Ginseng Radix and Astragali Radix are commonly combined to tonify Qi and alleviate fatigue. Previous studies have employed biological networks to investigate the mechanisms of herb pairs in treating different diseases. However, these studies have only elucidated a single network for each herb pair, without emphasizing the superiority of the herb combination over individual herbs. AIM OF THE STUDY This study proposes an approach of comparing biological networks to highlight the synergistic effect of the pair in treating cancer-related fatigue (CRF). METHODS The compounds and targets of Ginseng Radix, Astragali Radix, and CRF diseases were collected and predicted using different databases. Subsequently, the overlapping targets between herbs and disease were imported into the STRING and DAVID tools to build protein-protein interaction (PPI) networks and analyze enriched KEGG pathways. The biological networks of Ginseng Radix and Astragali Radix were compared separately or together using the DyNet application. Molecular docking was used to verify the predicted results. Further, in vitro experiments were conducted to validate the synergistic pathways identified in in silico studies. RESULTS In the PPI network comparison, the combination created 89 new interactions and an increased average degree (11.260) when compared to single herbs (10.296 and 9.394). The new interactions concentrated on HRAS, STAT3, JUN, and IL6. The topological analysis identified 20 core targets of the combination, including three Ginseng Radix-specific targets, three Astragali Radix-specific targets, and 14 shared targets. In KEGG enrichment analysis, the combination regulated additional signaling pathways (152) more than Ginseng Radix (146) and Astragali Radix (134) alone. The targets of the herb pair synergistically regulated cancer pathways, specifically hypoxia-inducible factor 1 (HIF-1) signaling pathway. In vitro experiments including enzyme-linked immunosorbent assay and Western blot demonstrated that two herbs combination could up-regulate HIF-1α signaling pathway at different combined concentrations compared to either single herb alone. CONCLUSION The herb pair increased protein interactions and adjusted metabolic pathways more than single herbs. This study provides insights into the combination of Ginseng Radix and Astragali Radix in clinical practice.
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Affiliation(s)
- Minh Nhat Tran
- Korean Medicine Data Division, Korea Institute of Oriental Medicine, Daejeon, Republic of Korea; Korean Convergence Medical Science, University of Science and Technology, Daejeon, Republic of Korea; Faculty of Traditional Medicine, Hue University of Medicine and Pharmacy, Hue University, Thua Thien Hue, Viet Nam.
| | - No Soo Kim
- Korean Medicine Convergence Research Division, Korea Institute of Oriental Medicine, Daejeon, Republic of Korea.
| | - Sanghun Lee
- Korean Medicine Data Division, Korea Institute of Oriental Medicine, Daejeon, Republic of Korea; Korean Convergence Medical Science, University of Science and Technology, Daejeon, Republic of Korea.
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6
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Garcia I, Cornely K, Peterson CN, Berkmen MB. Roles of the oncometabolite enantiomers of 2-hydroxyglutarate and their metabolism by diverse dehydrogenases. Essays Biochem 2024; 68:161-171. [PMID: 38919140 DOI: 10.1042/ebc20230077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/09/2024] [Accepted: 06/11/2024] [Indexed: 06/27/2024]
Abstract
2-Hydroxyglutarate (2HG) is an oncometabolite that can contribute to tumor progression. Two enantiomer forms, L-2HG and D-2HG, arise from independent pathways starting from the precursor α-ketoglutarate (αKG). L-2HG production occurs through the promiscuous activities of malate dehydrogenase (MDH) and lactate dehydrogenase (LDH) under acidic and/or hypoxic conditions. D-2HG frequently accumulates by gain-of-function mutations in the genes encoding two isoforms of isocitrate dehydrogenase (IDH1 and IDH2). Cognate metabolite repair enzymes, L- and D-2-hydroxyglutarate dehydrogenases, oxidize the enantiomers and cause abnormally high 2HG accumulation and disease when mutated. Elevated levels of either oncometabolite affect redox homeostasis, metabolism, and immune system functioning. Moreover, the oncometabolites inhibit several α-ketoglutarate-dependent dioxygenases resulting in epigenetic changes such as DNA and histone hypermethylation as well as deficiencies in DNA repair. L-2HG, and D-2HG in some cases, inhibit degradation of hypoxia-inducible factor (HIF1α), a transcription factor that alters gene expression to adapt to hypoxic conditions, favoring tumorigenesis. Patients with the rare disease 2-hydroxyglutaric aciduria (2HGA) have exceedingly high levels of 2HG, which is neurotoxic, causing developmental delays and brain abnormalities. D-2HG also has specific effects on collagen production and NADPH pools. Recently, D-2HG has been targeted in new chemotherapies aimed at disrupting the gain-of-function IDH1 and IDH2 mutants, resulting in successful clinical trials for several cancers.
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Affiliation(s)
- Ivelitza Garcia
- Department of Chemistry, Allegheny College, Meadville, PA, U.S.A
| | - Kathleen Cornely
- Department of Chemistry and Biochemistry, Providence College, Providence, RI, U.S.A
| | | | - Melanie B Berkmen
- Department of Biochemistry, Chemistry, Environment, and Physics, Suffolk University, Boston, MA, U.S.A
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Zhang S, Ma M, Zhao C, Li J, Xu L, Zhang Z, Diao Q, Ma P, Song D. A novel low-background nitroreductase fluorescent probe for real-time fluorescence imaging and surgical guidance of thyroid cancer resection. Biosens Bioelectron 2024; 261:116514. [PMID: 38908291 DOI: 10.1016/j.bios.2024.116514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 06/17/2024] [Accepted: 06/19/2024] [Indexed: 06/24/2024]
Abstract
Thyroid cancer always appears insidiously with few noticeable clinical symptoms. Due to its limitations, conventional ultrasound imaging can lead to missed or misdiagnosed cases. Surgery is still the primary treatment method of thyroid cancer, but removal of surrounding healthy tissues to minimize recurrence leads to overtreatment and added patient suffering. To address this challenge, herein, a nitroreductase (NTR) fluorescent probe, Ox-NTR, has been developed for detecting thyroid cancer and tracking the surgical removal of thyroid tumors by fluorescence imaging. The conjugated structure of oxazine 1 was disrupted, significantly reducing the issue of high background signals, thus effectively achieving low background fluorescence. Under hypoxic conditions, the nitro group of Ox-NTR can be reduced to an amine and subsequently decomposed into oxazine 1, emitting intense red fluorescence. Ox-NTR has a low detection limit of 0.09 μg/mL for NTR with excellent photostability and selectivity. Cellular studies show that Ox-NTR can effectively detect NTR levels in hypoxic thyroid cancer cells. Moreover, the ability of Ox-NTR of rapid response to thyroid cancer in vivo is confirmed by fluorescence imaging in mice, distinguishing tumors from normal tissues due to its superior low background fluorescence. Utilizing this fluorescence imaging method during surgical resection can guide the removal of tumors, preventing both missed tumor tissues and accidental removal of healthy tissue. In summary, the novel Ox-NTR offers precise detection capabilities that provide significant advantages over traditional imaging methods for thyroid cancer diagnosis and treatment, making it a valuable tool to guide tumor removal in surgical procedures.
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Affiliation(s)
- Siqi Zhang
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun, 130012, China
| | - Mo Ma
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun, 130012, China; School of Pharmacy, Jilin University, Qianjin Street 2699, Changchun, 130012, China
| | - Chen Zhao
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun, 130012, China
| | - Jingkang Li
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun, 130012, China
| | - Lanlan Xu
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun, 130012, China
| | - Zihe Zhang
- The First Hospital of China Medical University, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, China
| | - Quanping Diao
- Liaoning Key Laboratory of Development and Utilization for Natural Products Active Molecules, School of Chemistry and Life Science, Anshan Normal University, Anshan, China
| | - Pinyi Ma
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun, 130012, China.
| | - Daqian Song
- College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun, 130012, China; Liaoning Key Laboratory of Development and Utilization for Natural Products Active Molecules, School of Chemistry and Life Science, Anshan Normal University, Anshan, China.
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8
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Iriondo O, Mecenas D, Li Y, Chin CR, Thomas A, Moriarty A, Marker R, Wang YJ, Hendrick H, Amzaleg Y, Ortiz V, MacKay M, Dickerson A, Lee G, Harotoonian S, Benayoun BA, Smith A, Mason CE, Roussos Torres ET, Klotz R, Yu M. Hypoxic Memory Mediates Prolonged Tumor-Intrinsic Type I Interferon Suppression to Promote Breast Cancer Progression. Cancer Res 2024; 84:3141-3157. [PMID: 38990731 PMCID: PMC11444891 DOI: 10.1158/0008-5472.can-23-2028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 05/03/2024] [Accepted: 07/03/2024] [Indexed: 07/13/2024]
Abstract
Hypoxia is a common feature of many solid tumors due to aberrant proliferation and angiogenesis that is associated with tumor progression and metastasis. Most of the well-known hypoxia effects are mediated through hypoxia-inducible factors (HIF). Identification of the long-lasting effects of hypoxia beyond the immediate HIF-induced alterations could provide a better understanding of hypoxia-driven metastasis and potential strategies to circumvent it. Here, we uncovered a hypoxia-induced mechanism that exerts a prolonged effect to promote metastasis. In breast cancer patient-derived circulating tumor cell lines and common breast cancer cell lines, hypoxia downregulated tumor-intrinsic type I IFN signaling and its downstream antigen presentation (AP) machinery in luminal breast cancer cells, via both HIF-dependent and HIF-independent mechanisms. Hypoxia induced durable IFN/AP suppression in certain cell types that was sustained after returning to normoxic conditions, presenting a "hypoxic memory" phenotype. Hypoxic memory of IFN/AP downregulation was established by specific hypoxic priming, and cells with hypoxic memory had an enhanced ability for tumorigenesis and metastasis. Overexpression of IRF3 enhanced IFN signaling and reduced tumor growth in normoxic, but not hypoxic, conditions. The histone deacetylase inhibitor entinostat upregulated IFN targets and erased the hypoxic memory. These results point to a mechanism by which hypoxia facilitates tumor progression through a long-lasting memory that provides advantages for circulating tumor cells during the metastatic cascade. Significance: Long-term cellular memory of hypoxia leads to sustained suppression of tumor-intrinsic type I IFN signaling and the antigen presentation pathway that facilitates tumorigenesis and metastasis. See related commentary by Purdy and Ford, p. 3125.
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Affiliation(s)
- Oihana Iriondo
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
- USC Norris Comprehensive Cancer Center, Keck School of Medicine of the University of Southern California, Los Angeles, California
- Center for Cooperative Research (CIC bioGUNE), Basque Research and Technology Alliance (BRTA), Derio, Spain
- Ikerbasque, Basque Foundation for Science, Bilbao, Spain
| | - Desirea Mecenas
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
- USC Norris Comprehensive Cancer Center, Keck School of Medicine of the University of Southern California, Los Angeles, California
| | - Yilin Li
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
- USC Norris Comprehensive Cancer Center, Keck School of Medicine of the University of Southern California, Los Angeles, California
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital and Institute, Beijing, China
| | - Christopher R Chin
- Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York
| | - Amal Thomas
- Department of Molecular and Computational Biology, USC Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, Los Angeles, California
| | - Aidan Moriarty
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, Maryland
- Marlene and Stewart Greenebaum NCI Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
| | - Rebecca Marker
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, Maryland
- Marlene and Stewart Greenebaum NCI Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
| | - Yiru J Wang
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, Maryland
- Marlene and Stewart Greenebaum NCI Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
| | - Haley Hendrick
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, Maryland
- Marlene and Stewart Greenebaum NCI Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
| | - Yonatan Amzaleg
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
- USC Norris Comprehensive Cancer Center, Keck School of Medicine of the University of Southern California, Los Angeles, California
- Center for Craniofacial Molecular Biology, Ostrow School of Dentistry of the University of Southern California, Los Angeles, California
| | - Veronica Ortiz
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
- USC Norris Comprehensive Cancer Center, Keck School of Medicine of the University of Southern California, Los Angeles, California
| | - Matthew MacKay
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
| | - Amber Dickerson
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
- USC Norris Comprehensive Cancer Center, Keck School of Medicine of the University of Southern California, Los Angeles, California
| | - Grace Lee
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
- USC Norris Comprehensive Cancer Center, Keck School of Medicine of the University of Southern California, Los Angeles, California
| | - Sevana Harotoonian
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
| | - Bérénice A Benayoun
- USC Norris Comprehensive Cancer Center, Keck School of Medicine of the University of Southern California, Los Angeles, California
- Department of Molecular and Computational Biology, USC Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, Los Angeles, California
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, California
| | - Andrew Smith
- Department of Molecular and Computational Biology, USC Dana and David Dornsife College of Letters, Arts and Sciences, University of Southern California, Los Angeles, California
| | - Christopher E Mason
- Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York
| | - Evanthia T Roussos Torres
- USC Norris Comprehensive Cancer Center, Keck School of Medicine of the University of Southern California, Los Angeles, California
- Department of Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
| | - Remi Klotz
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
- USC Norris Comprehensive Cancer Center, Keck School of Medicine of the University of Southern California, Los Angeles, California
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, Maryland
- Marlene and Stewart Greenebaum NCI Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
| | - Min Yu
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
- USC Norris Comprehensive Cancer Center, Keck School of Medicine of the University of Southern California, Los Angeles, California
- Department of Pharmacology, University of Maryland School of Medicine, Baltimore, Maryland
- Marlene and Stewart Greenebaum NCI Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
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9
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Tanaka N, Fukuda T, Takano R, Sasaki K, Tsuji T, Goto R, Kuribayashi T, Yamaguchi K, Niitsu Y, Ishii K, Hashimoto M, Takahashi S, Obayashi H. Discovery of DS-1093a: An oral hypoxia-inducible factor prolyl hydroxylase inhibitor for the treatment of renal anemia. Bioorg Med Chem Lett 2024; 111:129891. [PMID: 39019240 DOI: 10.1016/j.bmcl.2024.129891] [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: 04/25/2024] [Revised: 07/10/2024] [Accepted: 07/11/2024] [Indexed: 07/19/2024]
Abstract
Inhibition of the hypoxia-inducible factor prolyl hydroxylase (HIF-PHD) represents a promising strategy for discovering next-generation treatments for renal anemia. We discovered DS44470011 in our previous study, which showed potent in vitro activity and in vivo efficacy based on HIF-PHD inhibition. However, DS44470011 was also found to exert genotoxic effects. By converting the biphenyl structure, which is suspected to be the cause of this genotoxicity, to a 1-phenylpiperidine structure, we were able to avoid genotoxicity and further improve the in vitro activity and in vivo efficacy. Furthermore, through the optimization of pyrimidine derivatives, we discovered DS-1093a, which has a wide safety margin with potent in vitro activity and an optimal pharmacokinetic profile. DS-1093a achieved an increase in hemoglobin levels in an adenine-induced rat model of chronic kidney disease after its continuous administration for 4 days.
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Affiliation(s)
- Naoki Tanaka
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan.
| | - Takeshi Fukuda
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Rieko Takano
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Koji Sasaki
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Takashi Tsuji
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Riki Goto
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Takeshi Kuribayashi
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Kyoji Yamaguchi
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Yoichi Niitsu
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Ken Ishii
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Masami Hashimoto
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Shinichi Takahashi
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
| | - Hisakuni Obayashi
- R&D Division, Daiichi Sankyo Co., Ltd., 1-2-58 Hiromachi, Shinagawa-ku, Tokyo 140-8710, Japan
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10
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Shekatkar M, Kheur S, Deshpande S, Sakhare S, Sanap A, Kheur M, Bhonde R. Critical appraisal of the chorioallantoic membrane model for studying angiogenesis in preclinical research. Mol Biol Rep 2024; 51:1026. [PMID: 39340708 DOI: 10.1007/s11033-024-09956-x] [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: 03/01/2024] [Accepted: 09/18/2024] [Indexed: 09/30/2024]
Abstract
BACKGROUND Angiogenesis, the biological mechanism by which new blood vessels are generated from existing ones, plays a vital role in growth and development. Effective preclinical screening is necessary for the development of medications that may enhance or inhibit angiogenesis in the setting of different disorders. Traditional in vitro and, in vivo models of angiogenesis are laborious and time-consuming, necessitating advanced infrastructure for embryo culture. MAIN BODY A challenge encountered by researchers studying angiogenesis is the lack of appropriate techniques to evaluate the impact of regulators on the angiogenic response. An ideal test should possess reliability, technical simplicity, easy quantifiability, and, most importantly, physiological relevance. The CAM model, leveraging the extraembryonic membrane of the chicken embryo, offers a unique combination of accessibility, low cost, and rapid development, making it an attractive option for angiogenesis assays. This review evaluates the strengths and limitations of the CAM model in the context of its anatomical and physiological properties, and its relevance to human pathophysiological conditions. Its abundant capillary network makes it a common choice for studying angiogenesis. The CAM assay serves as a substitute for animal models and offers a natural setting for developing blood vessels and the many elements involved in the intricate interaction with the host. Despite its advantages, the CAM model's limitations are notable. These include species-specific responses that may not always extrapolate to humans and the ethical considerations of using avian embryos. We discuss methodological adaptations that can mitigate some of these limitations and propose future directions to enhance the translational relevance of this model. This review underscores the CAM model's valuable role in angiogenesis research and aims to guide researchers in optimizing its use for more predictive and robust preclinical studies. CONCLUSION The highly vascularized chorioallantoic membrane (CAM) of fertilized chicken eggs is a cost-effective and easily available method for screening angiogenesis, in comparison to other animal models.
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Affiliation(s)
- Madhura Shekatkar
- Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, India
| | - Supriya Kheur
- Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, India.
| | - Shantanu Deshpande
- Department of Pediatric and Preventive Dentistry, Bharati Vidyapeeth (Deemed to be University), Dental College and Hospital, Navi Mumbai, India
| | - Swapnali Sakhare
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pune, Maharashtra, India
| | - Avinash Sanap
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pune, Maharashtra, India
| | - Mohit Kheur
- Department of Prosthodontics, M.A. Rangoonwala College of Dental Sciences and Research Centre, Pune, Maharashtra, India
| | - Ramesh Bhonde
- Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pune, Maharashtra, India
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11
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Zhou Z, Han J, Lang P, Zhang M, Shu H, Zhang L, Huang S. ROS-responsive self-assembly nanoplatform overcomes hypoxia for enhanced photodynamic therapy. Biomater Sci 2024; 12:5105-5114. [PMID: 39221610 DOI: 10.1039/d4bm00712c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Photodynamic therapy (PDT) has emerged as a promising treatment for malignant tumours in recent decades due to its impressive spatiotemporal selectivity, minimal invasiveness, and few adverse effects. Despite these advancements, there remain significant challenges in effectively delivering photosensitizers to tumours and overcoming tumour hypoxia to maximize the therapeutic benefits of PDT. Ongoing research efforts are focused on developing innovative strategies to overcome the above-mentioned challenges, such as nanoplatforms and combination therapy approaches. Hence, reactive oxygen species (ROS)-responsive polymeric micelles are promising candidates to enhance the distribution and retention of photosensitizers within tumours. Additionally, efforts to alleviate tumour hypoxia may further improve the anti-tumour effects of PDT. In this study, we designed ROS-responsive polymeric micelles (TC@PTP) co-loaded with a Tapp-COF, a porphyrin derivative, and capsaicin for PDT of melanoma. These ROS-responsive nanocarriers, constructed from thioketal (TK)-linked amphiphilic di-block copolymers (PEG5K-TK-PLGA5K), could accumulate in the tumor microenvironment and release drugs under the action of ROS. Capsaicin, acting as a biogenic respiratory inhibitor, suppressed mitochondrial respiration and the hypoxia-inducible factor 1 (HIF-1) signaling pathway, thereby increasing oxygen levels at the tumour site. These PDT-triggered ROS-responsive nanoparticles effectively alleviated the tumour hypoxic microenvironment and enhanced anti-tumour efficacy. With superior biocompatibility and tumour-targeting abilities, the platform holds great promise for advancing anti-tumour combination therapy.
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Affiliation(s)
- Zhaojie Zhou
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610000, China.
| | - Jiaxi Han
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610000, China.
| | - Puxin Lang
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610000, China.
| | - Mengxing Zhang
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610000, China.
| | - Haozhou Shu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610000, China.
| | - Ling Zhang
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610000, China.
- Med-X Center for Materials, Sichuan University, Chengdu 610000, China
| | - Shiqi Huang
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610000, China.
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12
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Bhavsar V, Sahu A, Taware R. Stress-induced extracellular vesicles: insight into their altered proteomic composition and probable physiological role in cancer. Mol Cell Biochem 2024:10.1007/s11010-024-05121-x. [PMID: 39302488 DOI: 10.1007/s11010-024-05121-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Accepted: 09/09/2024] [Indexed: 09/22/2024]
Abstract
EVs (extracellular vesicles) are phospholipid bilayer vesicles that can be released by both prokaryotic and eukaryotic cells in normal as well as altered physiological conditions. These vesicles also termed as signalosomes, possess a distinctive cargo comprising nucleic acids, proteins, lipids, and metabolites, enabling them to play a pivotal role in both local and long-distance intercellular communication. The composition, origin, and release of EVs can be influenced by different physiological conditions and a variety of stress factors, consequently affecting the contents carried within these vesicles. Therefore, identifying the modified contents of EVs can provide valuable insights into their functional role in stress-triggered communication. Particularly, this is important when EVs released from tumor microenvironment are investigated for their role in the development and dissemination of cancer. This review article emphasizes the importance of differential EV shedding and altered proteomic content in response to reduced oxygen concentration, altered levels of glucose and glutamine, pH variations, oxidative stress and Ca2+ ion concertation and it is subsequent effects on the behavior of recipient cells.
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Affiliation(s)
- Vaidehi Bhavsar
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research-Ahmedabad, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Ashish Sahu
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research-Ahmedabad, Palaj, Gandhinagar, Gujarat, 382355, India
| | - Ravindra Taware
- Department of Natural Products, National Institute of Pharmaceutical Education and Research-Ahmedabad, Palaj, Gandhinagar, Gujarat, 382355, India.
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13
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Koloi S, Ganguly I, Singh S, Dixit S. Whole genome re-sequencing reveals high altitude adaptation signatures and admixture in Ladakhi cattle. Gene 2024; 933:148957. [PMID: 39306203 DOI: 10.1016/j.gene.2024.148957] [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: 09/14/2023] [Revised: 08/19/2024] [Accepted: 09/18/2024] [Indexed: 10/01/2024]
Abstract
Ladakhi cattle, native to the high-altitude region of Ladakh in northern India (ranging from 3,000 to 5,000 m above sea level), have evolved unique genetic adaptations to thrive in harsh environmental conditions, such as hypoxia, extreme cold, and low humidity. This study explored the genome of Ladakhi cattle to investigate genetic structure, selection signatures, and adaptive mechanisms. Whole genome sequencing reads, generated on Illumina NovaSeq 6000 platform, were aligned to the Bos taurus reference genome with BWA-MEM. SNPs were identified and filtered using GATK and bcftools, and functionally annotated with SnpEff. For population genomic analysis, PCA and admixture modeling assessed genetic structure, while Neighbor-Joining trees, LD decay, nucleotide diversity (π), and FST evaluated phylogenetic relationships and genetic variation. Selective sweeps were detected using RAiSD, and gene-set enrichment and protein-protein interaction analyses were conducted to explore functional pathways related to adaptation. The study revealed 3,759,279 unique SNPs and demonstrated that Ladakhi cattle form a distinct genetic cluster with an estimated admixture of 68 % Bos indicus and 32 % Bos taurus ancestry. Key findings include rapid linkage disequilibrium decay, low inbreeding level, and the identification of selection signatures and genes associated with hypoxia response, energy metabolism, and cold adaptation. Mean nucleotide diversity (π, 0.0037) and FST values indicated moderate genetic differentiation from other breeds. The analysis highlighted selection signatures for genes like HIF1A, ENO4, ANGPT1, EPO, NOS3, MAPK3, HMOX1, BCL2,CAMK2D, MTOR, AKT2,PIK3CB, and MAP2K1, among others, including various keratin and heat shock proteins. The interaction between genes associated with hypoxia signaling (HIF-1) and other enriched pathways such as PI3K, mTOR, NFκB, ERK, and ER stress, reveals a complex mechanism for managing hypoxic stress in Ladakhi cattle. These findings offer valuable insights for breeding programs aimed at enhancing livestock resilience in extreme environments and enhance understanding of mammalian adaptation to high-altitude conditions.
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Affiliation(s)
- Subrata Koloi
- Division of Animal Genetics, ICAR-National Bureau of Animal Genetic Resources, Karnal 132001, India; Division of Animal Genetics and Breeding, ICAR-National Dairy Research Institute, Karnal 132001, India
| | - Indrajit Ganguly
- Division of Animal Genetics, ICAR-National Bureau of Animal Genetic Resources, Karnal 132001, India.
| | - Sanjeev Singh
- Division of Animal Genetics, ICAR-National Bureau of Animal Genetic Resources, Karnal 132001, India
| | - Satpal Dixit
- Division of Animal Genetics, ICAR-National Bureau of Animal Genetic Resources, Karnal 132001, India.
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14
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Gao X, Bu T, Wang W, Xu Y. Comparative Analysis and Future Prospects of Human Epidermal Growth Factor Receptor 2 (HER2) and Trophoblast Cell-Surface Antigen 2 (Trop-2) Targeted Antibody-Drug Conjugates in Breast Cancer Treatment. BREAST CANCER (DOVE MEDICAL PRESS) 2024; 16:621-630. [PMID: 39310781 PMCID: PMC11416103 DOI: 10.2147/bctt.s480796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Accepted: 09/05/2024] [Indexed: 09/25/2024]
Abstract
Breast cancer remains the most prevalent malignancy among women globally, presenting significant challenges in therapeutic strategies due to tumor heterogeneity, drug resistance, and adverse side effects. Recent advances in targeted therapies, particularly antibody-drug conjugates (ADCs), have shown promise in addressing these challenges by selectively targeting tumor cells while sparing normal tissues. This study provides a comprehensive analysis of two innovative ADCs targeting HER2 and Trop-2, which are critical markers in various breast cancer subtypes. These conjugates combine potent cytotoxic drugs with specific antibodies, leveraging the antigens' differential expression to enhance therapeutic efficacy and reduce systemic toxicity. Our comparative analysis highlights the clinical applications, efficacy, and safety profiles of these ADCs, drawing on data from recent clinical trials. In addition, the paper discusses the potential of these ADCs in treating other types of cancers where HER2 and Trop-2 are expressed, as well as the toxicity risks associated with targeting these antigens in normal cells. Additionally, the paper discusses novel synthetic drugs that show potential in preclinical models, focusing on their mechanisms of action and therapeutic advantages over traditional chemotherapy. The findings underscore the transformative impact of targeted ADCs in breast cancer treatment, noting significant advancements in patient outcomes and management of side effects. However, ongoing issues such as resistance mechanisms and long-term safety remain challenges. The conclusion offers a forward-looking perspective on potential improvements and the future trajectory of ADC research. This study not only elucidates the current landscape of ADCs in breast cancer but also sets the stage for the next generation of oncological therapeutics. This study not only elucidates the current landscape of ADCs in breast cancer but also sets the stage for the next generation of oncological therapeutics, with particular attention to their broader applications and associated risks.
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Affiliation(s)
- Xiaojuan Gao
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital of Gansu University of Chinese Medicine, Baiyin, Gansu Province, People’s Republic of China
| | - Tiansheng Bu
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital of Gansu University of Chinese Medicine, Baiyin, Gansu Province, People’s Republic of China
| | - Wenying Wang
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital of Gansu University of Chinese Medicine, Baiyin, Gansu Province, People’s Republic of China
| | - Ying Xu
- Department of Traditional Chinese Medicine, The Third Affiliated Hospital of Gansu University of Chinese Medicine, Baiyin, Gansu Province, People’s Republic of China
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15
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Maimaitijiang A, He D, Li D, Li W, Su Z, Fan Z, Li J. Progress in Research of Nanotherapeutics for Overcoming Multidrug Resistance in Cancer. Int J Mol Sci 2024; 25:9973. [PMID: 39337463 PMCID: PMC11432649 DOI: 10.3390/ijms25189973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2024] [Revised: 09/12/2024] [Accepted: 09/15/2024] [Indexed: 09/30/2024] Open
Abstract
Chemotherapy has been widely applied in oncotherapy. However, the development of multidrug resistance (MDR) has diminished the effectiveness of anticancer drugs against tumor cells. Such resistance often results in tumor recurrence, metastasis, and patient death. Fortunately, nanoparticle-based drug delivery systems provide a promising strategy by codelivery of multiple drugs and MDR reversal agents and the skillful, flexible, smart modification of drug targets. Such systems have demonstrated the ability to bypass the ABC transporter biological efflux mechanisms due to drug resistance. Hence, how to deliver drugs and exert potential antitumor effects have been successfully explored, applied, and developed. Furthermore, to overcome multidrug resistance, nanoparticle-based systems have been developed due to their good therapeutic effect, low side effects, and high tumor metastasis inhibition. In view of this, we systematically discuss the molecular mechanisms and therapeutic strategies of MDR from nanotherapeutics. Finally, we summarize intriguing ideas and future trends for further research in overcoming MDR.
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Affiliation(s)
- Ayitila Maimaitijiang
- School of Pharmaceutical Science (Institute of Materia Medica) & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China
| | - Dongze He
- School of Pharmaceutical Science (Institute of Materia Medica) & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China
| | - Dingyang Li
- School of Pharmaceutical Science (Institute of Materia Medica) & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China
| | - Wenfang Li
- School of Pharmaceutical Science (Institute of Materia Medica) & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China
| | - Zhengding Su
- School of Pharmaceutical Science (Institute of Materia Medica) & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China
| | - Zhongxiong Fan
- School of Pharmaceutical Science (Institute of Materia Medica) & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China
| | - Jinyao Li
- School of Pharmaceutical Science (Institute of Materia Medica) & College of Life Science and Technology, Xinjiang University, Urumqi 830017, China
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16
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Du P, Xu L, Wang Y, Jiao T, Cheng J, Zhang C, Tapu MSR, Dai J, Li J. Astragaloside IV ameliorates pressure overload-induced heart failure by enhancing angiogenesis through HSF1/VEGF pathway. Heliyon 2024; 10:e37019. [PMID: 39296120 PMCID: PMC11408759 DOI: 10.1016/j.heliyon.2024.e37019] [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: 02/27/2024] [Revised: 08/24/2024] [Accepted: 08/26/2024] [Indexed: 09/21/2024] Open
Abstract
Astragaloside IV(AS-IV), the main active ingredient of Astragalus, has been used as a treatment for heart failure with favorable effects, but its molecular mechanism has not been fully elucidated. Network pharmacological analysis and molecular docking revealed that Heat shock transcription factor 1 (HSF1) is a potential target of AS-IV. We designed cellular and animal experiments to investigate the role and intrinsic molecular mechanisms of AS-IV in ameliorating pressure overload-induced heart failure. In cellular experiments, Myocardial microvascular endothelial cells (MMVECs) were cultured in isolation and stimulated by adding high and low concentrations of AS-IV, and a cell model with down-regulation of HSF1 expression was constructed by using siRNA technology. Changes in the expression of key molecules of HSF1/VEGF signaling pathway and differences in tube-forming ability were detected in different groups of cells using PCR, WB and tube-forming assay. In animal experiments, TAC technology was applied to establish a pressure overload-induced heart failure model in C57 mice, postoperative mice were ingested AS-IV by gavage, and adenoviral transfection technology was applied to construct a mouse model with down-regulation of HSF1 expression.Small animal ultrasound for cardiac function assessment, MASSON staining, CD31 immunohistochemistry, and Western blotting (WB) were performed on the mice. The results showed that AS-IV could promote the expression of key molecules of HSF1/VEGF signaling pathway, enhance the tube-forming ability of MMVECs, increase the density of myocardial capillaries, reduce myocardial fibrosis, and improve the cardiac function of mice with TAC.AS-IV could modulate the HSF1/VEGF signaling pathway to promote the angiogenesis and improve the pressure overload-induced heart failure.
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Affiliation(s)
- Peizhao Du
- Department of Cardiology, Baoshan District Hospital of Integrated Traditional Chinese and Western Medicine of Shanghai, Shanghai University of Traditional Chinese Medicine, Shanghai, 201999, China
| | - Linghao Xu
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Yuanqi Wang
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Tiantian Jiao
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Jing Cheng
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Chunsheng Zhang
- Department of Cardiology, East Hospital of Clinical Medical College, Nanjing Medical University, Nanjing, 211166, China
| | - Md Sakibur Rahman Tapu
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Jian Dai
- Department of Cardiology, Baoshan District Hospital of Integrated Traditional Chinese and Western Medicine of Shanghai, Shanghai University of Traditional Chinese Medicine, Shanghai, 201999, China
| | - Jiming Li
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
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17
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Halawani D, Wang Y, Estill M, Sefiani A, Ramakrishnan A, Li J, Ni H, Halperin D, Shen L, Geoffroy CG, Friedel RH, Zou H. Aryl hydrocarbon receptor restricts axon regeneration of DRG neurons in response to injury. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.11.04.565649. [PMID: 37961567 PMCID: PMC10635160 DOI: 10.1101/2023.11.04.565649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Injured neurons sense environmental cues to balance neural protection and axon regeneration, but the mechanisms are unclear. Here, we unveil aryl hydrocarbon receptor (AhR), a ligand-activated bHLH-PAS transcription factor, as a molecular sensor and key regulator of acute stress response at the expense of axon regeneration. We demonstrate responsiveness of DRG sensory neurons to AhR signaling, which functions to inhibit axon regeneration. Conditional Ahr deletion in neurons accelerates axon regeneration after sciatic nerve injury. Ahr deletion partially mimics the conditioning lesion in priming DRG to initiate axonogenesis gene programs; upon peripheral axotomy, Ahr ablation suppresses inflammation and stress signaling while augmenting pro-growth pathways. Moreover, comparative transcriptomics revealed signaling interactions between AhR and HIF-1α, two structurally related bHLH-PAS α units that share the dimerization partner Arnt/HIF-1β. Functional assays showed that the growth advantage of AhR-deficient DRG neurons requires HIF-1α; but in the absence of Arnt, DRG neurons can still mount a regenerative response. We further unveil a link between bHLH-PAS transcription factors and DNA hydroxymethylation in response to peripheral axotomy, while RNA-seq of DRG neurons and neuronal single cell RNA-seq analysis revealed a link of AhR regulon to RNA regulation and integrated stress response (ISR). Altogether, AhR activation favors stress coping and inflammation at the expense of axon regeneration; targeting AhR has the potential to enhance nerve repair.
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Affiliation(s)
- Dalia Halawani
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Yiqun Wang
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, USA
- Sport Medicine Center, Honghui Hospital, Xi’an Jiaotong University, Xi’an, China
| | - Molly Estill
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Arthur Sefiani
- Department of Neuroscience and Experimental Therapeutics, College of Medicine, Texas A&M University, USA
| | - Aarthi Ramakrishnan
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Jiaxi Li
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, USA
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Haofei Ni
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, USA
- Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Daniel Halperin
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Li Shen
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Cédric G. Geoffroy
- Department of Neuroscience and Experimental Therapeutics, College of Medicine, Texas A&M University, USA
| | - Roland H. Friedel
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, USA
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Hongyan Zou
- Nash Family Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, USA
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, USA
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18
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Schreiber T, Scharner B, Thévenod F. Insoluble HIFa protein aggregates by cadmium disrupt hypoxia-prolyl hydroxylase (PHD)-hypoxia inducible factor (HIFa) signaling in renal epithelial (NRK-52E) and interstitial (FAIK3-5) cells. Biometals 2024:10.1007/s10534-024-00631-z. [PMID: 39256317 DOI: 10.1007/s10534-024-00631-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2024] [Accepted: 08/24/2024] [Indexed: 09/12/2024]
Abstract
The kidney is the main organ that senses changes in systemic O2 pressure by hypoxia-PHD-HIFa (HPH) signaling, resulting in adaptive target gene activation, including erythropoietin (EPO). The non-essential transition metal cadmium (Cd) is nephrotoxic and disrupts the renal HPH pathway, which may promote Cd-associated chronic renal disease (CKD). A deeper molecular understanding of Cd interference with renal HPH signaling is missing, and no data with renal cell lines are available. In rat kidney NRK-52E cells, which model the proximal tubule, and murine fibroblastoid atypical interstitial kidney (FAIK3-5) cells, which mimic renal EPO-producing cells, the chemical hypoxia mimetic dimethyloxalylglycine (DMOG; 1 mmol/l) or hypoxia (1% O2) activated HPH signaling. Cd2+ (2.5-20 µmol/l for ≤ 24 h) preferentially induced necrosis (trypan blue uptake) of FAIK3-5 cells at high Cd whereas NRK-52E cells specially developed apoptosis (PARP-1 cleavage) at all Cd concentrations. Cd (12.5 µmol/l) abolished HIFa stabilization and prevented upregulation of target genes (quantitative real-time polymerase chain reaction and immunoblotting) induced by DMOG or hypoxia in both cell lines, which was caused by the formation of insoluble HIFa aggregates. Strikingly, hypoxic preconditioning (1% O2 for 18 h) reduced apoptosis of FAIK3-5 and NRK-52E cells at low Cd concentrations and decreased insoluble HIFa proteins. Hence, drugs mimicking hypoxic preconditioning could reduce CKD induced by chronic low Cd exposure.
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Affiliation(s)
- Timm Schreiber
- Institute of Physiology and Pathophysiology and ZBAF, Faculty of Health, Witten/Herdecke University, Stockumer Str 12 (Thyssenhaus), 58453, Witten, Germany.
| | - Bettina Scharner
- Institute of Physiology and Pathophysiology and ZBAF, Faculty of Health, Witten/Herdecke University, Stockumer Str 12 (Thyssenhaus), 58453, Witten, Germany
| | - Frank Thévenod
- Institute of Physiology and Pathophysiology and ZBAF, Faculty of Health, Witten/Herdecke University, Stockumer Str 12 (Thyssenhaus), 58453, Witten, Germany.
- Physiology and Pathophysiology of Cells and Membranes, Medical School OWL, Bielefeld University, Morgenbreede 1, 33615, Bielefeld, Germany.
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19
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Shen H, Yang J, Xue W, Wei Z, Li L, Guan J, Li X, Wu X. Renalase rs2296545 variant improve hypertension susceptibility by modifying binding affinity to catecholamines in obstructive sleep apnea. Hypertens Res 2024:10.1038/s41440-024-01850-0. [PMID: 39232213 DOI: 10.1038/s41440-024-01850-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 07/18/2024] [Accepted: 07/30/2024] [Indexed: 09/06/2024]
Abstract
Obstructive sleep apnea (OSA), a condition often linked with hypertension, has an undefined relationship with renalase, a protein known for regulating blood pressure. This study aimed to investigate the relationship between serum renalase levels as well as renalase functional single nucleotide polymorphism (SNP) rs2296545 variant and hypertension in a Han Chinese OSA population. 126 subjects underwent serum renalase detection, with linear regression being performed to evaluate the relationship between serum renalase levels and OSA-related traits. Additional 4275 subjects were obtained rs2296545 genotype information by SNP microarray. And binary logistic regression was used to assess the effect of rs2296545 on hypertension risk. Molecular dynamics simulation and molecular docking were utilized to access the protein structures and the interplay between protein and catecholamines of wild-type and rs2296545 mutant renalase. The results showed that serum renalase levels were significantly higher in the severe OSA group. Further analysis showed renalase levels were positively correlated with blood pressure in the non-OSA group and negatively correlated in the severe OSA group. For rs2296545 polymorphism analysis, the hypertension risk significantly increased for the recessive model CC/GG + CG (OR = 1.211, 95% CI: 1.025-1.431) and the additive model CC/CG (OR = 1.223, 95% CI: 1.025-1.458) in the severe OSA. The rs2296545 polymorphism affected protein structure, and led to increase binding free energy, weakening interactions between renalase and catecholamines. In conclusion, serum renalase levels had independent association with blood pressure. And rs2296545 polymorphism may influence on susceptibility to hypertension by altering protein ability to bind to catecholamines, which might contribute to the intervention of hypertension in the OSA population.
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Affiliation(s)
- Hangdong Shen
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Jundong Yang
- Department of Clinical Laboratory, Shanghai Children's Hospital, Shanghai Jiaotong University, Shanghai, China
- Faculty of Medical Laboratory Science, College of Health Science and Technology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenjun Xue
- Central Laboratory of Shanghai Eighth People's Hospital, Xuhui Branch of Shanghai Sixth People's Hospital, Caobao Road 8, Shanghai, 200235, China
| | - Zhicheng Wei
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Lilin Li
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Jian Guan
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China
| | - Xinyi Li
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, China.
- Otorhinolaryngology Institute of Shanghai Jiao Tong University, Shanghai, China.
| | - Xiaolin Wu
- Central Laboratory of Shanghai Eighth People's Hospital, Xuhui Branch of Shanghai Sixth People's Hospital, Caobao Road 8, Shanghai, 200235, China.
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20
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Kaur B, Miglioranza Scavuzzi B, Yang M, Yao J, Jia L, Abcouwer SF, Zacks DN. ER Stress and Mitochondrial Perturbations Regulate Cell Death in Retinal Detachment: Exploring the Role of HIF1α. Invest Ophthalmol Vis Sci 2024; 65:39. [PMID: 39325470 PMCID: PMC11437674 DOI: 10.1167/iovs.65.11.39] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2024] Open
Abstract
Purpose Retinal detachment (RD) leads to photoreceptor (PR) hypoxia due to separation from the retinal pigment epithelium (RPE). Hypoxia stabilizes retinal hypoxia-inducible factor 1-alpha (HIF1α), crucial for PR survival during RD. This study explores the regulatory role of HIF1α in PR cell survival pathways during RD. Methods Experimental RD was created in C57BL/6J and HIF1αΔrod mice by injecting 1% hyaluronic acid into the subretinal space. The 661W photoreceptor cells were exposed to hypoxic conditions. Markers of endoplasmic reticulum stress (ERS), mitophagy, and accumulation of polyubiquinated proteins were evaluated using RT-PCR and western blot analyses. Cell death of PR cells was quantified using trypan blue exclusion assay and TUNEL staining. Retinal cell death was assessed using a DNA fragmentation assay. Results In C57BL/6J mice and 661W cells, there were increases in HIF1α protein levels: 2.2-fold after RD (P = 0.04) and threefold after hypoxia (P = 0.057). Both the in vivo and in vitro RD models showed increased protein expression of ERS markers (including BIP, CHOP, and IRE1α), mitophagy markers (Parkin, PINK, and FUNDC1), and polyubiquitinated proteins. In 661W cells, hypoxia resulted in a loss of mitochondrial membrane potential, an increase in mitochondrial reactive oxygen species, and a decrease in intracellular adenosine triphosphate levels. Lack of HIF1α in rods blocked the upregulation of mitophagy markers after RD. Conclusions RD results in the activation of ERS, mitophagy, mitochondrial dysfunction, and accumulation of polyubiquitinated proteins. Results suggest a role for HIF1α in activation of the mitophagy pathway after RD, which may serve to protect the PR cells.
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Affiliation(s)
- Bhavneet Kaur
- Kellogg Eye Center, Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, Michigan, United States
| | - Bruna Miglioranza Scavuzzi
- Kellogg Eye Center, Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, Michigan, United States
| | - Mengling Yang
- Kellogg Eye Center, Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, Michigan, United States
| | - Jingyu Yao
- Kellogg Eye Center, Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, Michigan, United States
| | - Lin Jia
- Kellogg Eye Center, Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, Michigan, United States
| | - Steven F Abcouwer
- Kellogg Eye Center, Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, Michigan, United States
| | - David N Zacks
- Kellogg Eye Center, Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, Michigan, United States
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21
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Babin CH, Leiva FP, Verberk WCEP, Rees BB. Evolution of Key Oxygen-Sensing Genes Is Associated with Hypoxia Tolerance in Fishes. Genome Biol Evol 2024; 16:evae183. [PMID: 39165136 PMCID: PMC11370800 DOI: 10.1093/gbe/evae183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 08/05/2024] [Accepted: 08/14/2024] [Indexed: 08/22/2024] Open
Abstract
Low dissolved oxygen (hypoxia) is recognized as a major threat to aquatic ecosystems worldwide. Because oxygen is paramount for the energy metabolism of animals, understanding the functional and genetic drivers of whole-animal hypoxia tolerance is critical to predicting the impacts of aquatic hypoxia. In this study, we investigate the molecular evolution of key genes involved in the detection of and response to hypoxia in ray-finned fishes: the prolyl hydroxylase domain (PHD)-hypoxia-inducible factor (HIF) oxygen-sensing system, also known as the EGLN (egg-laying nine)-HIF oxygen-sensing system. We searched fish genomes for HIFA and EGLN genes, discovered new paralogs from both gene families, and analyzed protein-coding sites under positive selection. The physicochemical properties of these positively selected amino acid sites were summarized using linear discriminants for each gene. We employed phylogenetic generalized least squares to assess the relationship between these linear discriminants for each HIFA and EGLN and hypoxia tolerance as reflected by the critical oxygen tension (Pcrit) of the corresponding species. Our results demonstrate that Pcrit in ray-finned fishes correlates with the physicochemical variation of positively selected sites in specific HIFA and EGLN genes. For HIF2A, two linear discriminants captured more than 90% of the physicochemical variation of these sites and explained between 20% and 39% of the variation in Pcrit. Thus, variation in HIF2A among fishes may contribute to their capacity to cope with aquatic hypoxia, similar to its proposed role in conferring tolerance to high-altitude hypoxia in certain lineages of terrestrial vertebrates.
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Affiliation(s)
- Courtney H Babin
- Department of Biological Sciences, University of New Orleans, New Orleans, LA 70148, USA
| | - Félix P Leiva
- Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven 27570, Germany
| | - Wilco C E P Verberk
- Department of Animal Ecology and Physiology, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - Bernard B Rees
- Department of Biological Sciences, University of New Orleans, New Orleans, LA 70148, USA
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22
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Jucht AE, Scholz CC. PHD1-3 oxygen sensors in vivo-lessons learned from gene deletions. Pflugers Arch 2024; 476:1307-1337. [PMID: 38509356 PMCID: PMC11310289 DOI: 10.1007/s00424-024-02944-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 03/02/2024] [Accepted: 03/07/2024] [Indexed: 03/22/2024]
Abstract
Oxygen sensors enable cells to adapt to limited oxygen availability (hypoxia), affecting various cellular and tissue responses. Prolyl-4-hydroxylase domain 1-3 (PHD1-3; also called Egln1-3, HIF-P4H 1-3, HIF-PH 1-3) proteins belong to the Fe2+- and 2-oxoglutarate-dependent dioxygenase superfamily and utilise molecular oxygen (O2) alongside 2-oxoglutarate as co-substrate to hydroxylate two proline residues of α subunits of the dimeric hypoxia inducible factor (HIF) transcription factor. PHD1-3-mediated hydroxylation of HIF-α leads to its degradation and inactivation. Recently, various PHD inhibitors (PHI) have entered the clinics for treatment of renal anaemia. Pre-clinical analyses indicate that PHI treatment may also be beneficial in numerous other hypoxia-associated diseases. Nonetheless, the underlying molecular mechanisms of the observed protective effects of PHIs are only partly understood, currently hindering their translation into the clinics. Moreover, the PHI-mediated increase of Epo levels is not beneficial in all hypoxia-associated diseases and PHD-selective inhibition may be advantageous. Here, we summarise the current knowledge about the relevance and function of each of the three PHD isoforms in vivo, based on the deletion or RNA interference-mediated knockdown of each single corresponding gene in rodents. This information is crucial for our understanding of the physiological relevance and function of the PHDs as well as for elucidating their individual impact on hypoxia-associated diseases. Furthermore, this knowledge highlights which diseases may best be targeted by PHD isoform-selective inhibitors in case such pharmacologic substances become available.
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Affiliation(s)
- Agnieszka E Jucht
- Institute of Physiology, University of Zurich, Zurich, 8057, Switzerland
| | - Carsten C Scholz
- Institute of Physiology, University Medicine Greifswald, Friedrich-Ludwig-Jahn-Str. 15a, 17475, Greifswald, Germany.
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23
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Taneja N, Chauhan A, Kulshreshtha R, Singh S. HIF-1 mediated metabolic reprogramming in cancer: Mechanisms and therapeutic implications. Life Sci 2024; 352:122890. [PMID: 38971364 DOI: 10.1016/j.lfs.2024.122890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 06/24/2024] [Accepted: 07/03/2024] [Indexed: 07/08/2024]
Abstract
Cancer cells undergo metabolic reprogramming to survive in hypoxic conditions and meet the elevated energy demands of the cancer microenvironment. This metabolic alteration is orchestrated by hypoxia-inducible factor 1 (HIF-1), regulating various processes within cancer cells. The intricate metabolic modifications induced by hypoxia underscore the significance of HIF-1-induced metabolic reprogramming in promoting each aspect of cancer progression. The complex interactions between HIF-1 signalling and cellular metabolic processes in response to hypoxia are examined in this study, focusing on the metabolism of carbohydrates, nucleotides, lipids, and amino acids. Comprehending the various regulatory mechanisms controlled by HIF-1 in cellular metabolism sheds light on the intricate biology of cancer growth and offers useful insights for developing targeted treatments.
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Affiliation(s)
- Nikita Taneja
- Amity Institute of Health Allied Sciences, Amity University, Noida, Uttar Pradesh, India
| | - Akansha Chauhan
- Amity Institute of Health Allied Sciences, Amity University, Noida, Uttar Pradesh, India
| | - Ritu Kulshreshtha
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology, New Delhi, India
| | - Sandhya Singh
- Amity Institute of Health Allied Sciences, Amity University, Noida, Uttar Pradesh, India.
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24
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Pauzaite T, Wit N, Seear RV, Nathan JA. Deubiquitinating enzyme mutagenesis screens identify a USP43-dependent HIF-1 transcriptional response. EMBO J 2024; 43:3677-3709. [PMID: 39009674 PMCID: PMC11377827 DOI: 10.1038/s44318-024-00166-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 05/13/2024] [Accepted: 06/24/2024] [Indexed: 07/17/2024] Open
Abstract
The ubiquitination and proteasome-mediated degradation of Hypoxia Inducible Factors (HIFs) is central to metazoan oxygen-sensing, but the involvement of deubiquitinating enzymes (DUBs) in HIF signalling is less clear. Here, using a bespoke DUBs sgRNA library we conduct CRISPR/Cas9 mutagenesis screens to determine how DUBs are involved in HIF signalling. Alongside defining DUBs involved in HIF activation or suppression, we identify USP43 as a DUB required for efficient activation of a HIF response. USP43 is hypoxia regulated and selectively associates with the HIF-1α isoform, and while USP43 does not alter HIF-1α stability, it facilitates HIF-1 nuclear accumulation and binding to its target genes. Mechanistically, USP43 associates with 14-3-3 proteins in a hypoxia and phosphorylation dependent manner to increase the nuclear pool of HIF-1. Together, our results highlight the multifunctionality of DUBs, illustrating that they can provide important signalling functions alongside their catalytic roles.
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Affiliation(s)
- Tekle Pauzaite
- Cambridge Institute of Therapeutic Immunology & Infectious Disease (CITIID), Jeffrey Cheah Biomedical Centre, Department of Medicine, University of Cambridge, Cambridge, CB2 0AW, United Kingdom
| | - Niek Wit
- Cambridge Institute of Therapeutic Immunology & Infectious Disease (CITIID), Jeffrey Cheah Biomedical Centre, Department of Medicine, University of Cambridge, Cambridge, CB2 0AW, United Kingdom
| | - Rachel V Seear
- Cambridge Institute of Therapeutic Immunology & Infectious Disease (CITIID), Jeffrey Cheah Biomedical Centre, Department of Medicine, University of Cambridge, Cambridge, CB2 0AW, United Kingdom
| | - James A Nathan
- Cambridge Institute of Therapeutic Immunology & Infectious Disease (CITIID), Jeffrey Cheah Biomedical Centre, Department of Medicine, University of Cambridge, Cambridge, CB2 0AW, United Kingdom.
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25
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Khalil NN, Rexius-Hall ML, Escopete S, Parker SJ, McCain ML. Distinct phenotypes induced by acute hypoxia and TGF-β1 in human adult cardiac fibroblasts. JOURNAL OF MOLECULAR AND CELLULAR CARDIOLOGY PLUS 2024; 9:100080. [PMID: 39329164 PMCID: PMC11423773 DOI: 10.1016/j.jmccpl.2024.100080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/28/2024]
Abstract
Myocardial infarction (MI) causes hypoxic injury to downstream myocardial tissue, which initiates a wound healing response that replaces injured myocardial tissue with a scar. Wound healing is a complex process that consists of multiple phases, in which many different stimuli induce cardiac fibroblasts to differentiate into myofibroblasts and deposit new matrix. While this process is necessary to replace necrotic tissue, excessive and unresolved fibrosis is common post-MI and correlated with heart failure. Therefore, defining how cardiac fibroblast phenotypes are distinctly regulated by stimuli that are prevalent in the post-MI microenvironment, such as hypoxia and transforming growth factor-beta (TGF-β), is essential for understanding and ultimately mitigating pathological fibrosis. In this study, we acutely treated primary human adult cardiac fibroblasts with TGF-β1 or hypoxia and then characterized their phenotype through immunofluorescence, quantitative RT-PCR, and proteomic analysis. We found that fibroblasts responded to low oxygen with increased localization of hypoxia inducible factor 1 (HIF-1) to the nuclei after 4h, which was followed by increased gene expression of vascular endothelial growth factor A (VEGFA), a known target of HIF-1, by 24h. Both TGF-β1 and hypoxia inhibited proliferation after 24h. TGF-β1 treatment also upregulated various fibrotic pathways. In contrast, hypoxia caused a reduction in several protein synthesis pathways, including collagen biosynthesis. Collectively, these data suggest that TGF-β1, but not acute hypoxia, robustly induces the differentiation of human cardiac fibroblasts into myofibroblasts. Discerning the overlapping and distinctive outcomes of TGF-β1 and hypoxia treatment is important for elucidating their roles in fibrotic remodeling post-MI and provides insight into potential therapeutic targets.
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Affiliation(s)
- Natalie N. Khalil
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, 90089, USA
| | - Megan L. Rexius-Hall
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, 90089, USA
| | - Sean Escopete
- Department of Cardiology and Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Sarah J. Parker
- Department of Cardiology and Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Megan L. McCain
- Alfred E. Mann Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, 90089, USA
- Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine of USC, Los Angeles, CA, 90033, USA
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26
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Nelius E, Fan Z, Sobecki M, Krzywinska E, Nagarajan S, Ferapontova I, Gotthardt D, Takeda N, Sexl V, Stockmann C. The transcription factor HIF-1α in NKp46+ ILCs limits chronic intestinal inflammation and fibrosis. Life Sci Alliance 2024; 7:e202402593. [PMID: 38876796 PMCID: PMC11178940 DOI: 10.26508/lsa.202402593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 06/04/2024] [Accepted: 06/05/2024] [Indexed: 06/16/2024] Open
Abstract
Innate lymphoid cells (ILCs) are critical for intestinal adaptation to microenvironmental challenges, and the gut mucosa is characterized by low oxygen. Adaptation to low oxygen is mediated by hypoxia-inducible transcription factors (HIFs), and the HIF-1α subunit shapes an ILC phenotype upon acute colitis that contributes to intestinal damage. However, the impact of HIF signaling in NKp46+ ILCs in the context of repetitive mucosal damage and chronic inflammation, as it typically occurs during inflammatory bowel disease, is unknown. In chronic colitis, mice lacking the HIF-1α isoform in NKp46+ ILCs show a decrease in NKp46+ ILC1s but a concomitant rise in neutrophils and Ly6Chigh macrophages. Single-nucleus RNA sequencing suggests enhanced interaction of mesenchymal cells with other cell compartments in the colon of HIF-1α KO mice and a loss of mucus-producing enterocytes and intestinal stem cells. This was, furthermore, associated with increased bone morphogenetic pathway-integrin signaling, expansion of fibroblast subsets, and intestinal fibrosis. In summary, this suggests that HIF-1α-mediated ILC1 activation, although detrimental upon acute colitis, protects against excessive inflammation and fibrosis during chronic intestinal damage.
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Affiliation(s)
- Eric Nelius
- https://ror.org/02crff812 Institute of Anatomy, University of Zurich, Zurich, Switzerland
| | - Zheng Fan
- https://ror.org/02crff812 Institute of Anatomy, University of Zurich, Zurich, Switzerland
| | - Michal Sobecki
- https://ror.org/02crff812 Institute of Anatomy, University of Zurich, Zurich, Switzerland
| | - Ewelina Krzywinska
- https://ror.org/02crff812 Institute of Anatomy, University of Zurich, Zurich, Switzerland
| | - Shunmugam Nagarajan
- https://ror.org/02crff812 Institute of Anatomy, University of Zurich, Zurich, Switzerland
| | - Irina Ferapontova
- https://ror.org/02crff812 Institute of Anatomy, University of Zurich, Zurich, Switzerland
| | - Dagmar Gotthardt
- Institute of Pharmacology and Toxicology, University of Veterinary Medicine, Vienna, Austria
| | - Norihiko Takeda
- Division of Cardiology and Metabolism, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Japan
| | | | - Christian Stockmann
- https://ror.org/02crff812 Institute of Anatomy, University of Zurich, Zurich, Switzerland
- Comprehensive Cancer Center Zurich, Zurich, Switzerland
- Zurich Kidney Center, Zurich, Switzerland
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27
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Xinliang Z, Achkasov EE, Gavrikov LK, Yuchen L, Zhang C, Dudnik EN, Rumyantseva O, Beeraka NM, Glazachev OS. Assessing the importance and safety of hypoxia conditioning for patients with occupational pulmonary diseases: A recent clinical perspective. Biomed Pharmacother 2024; 178:117275. [PMID: 39126774 DOI: 10.1016/j.biopha.2024.117275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 07/25/2024] [Accepted: 08/05/2024] [Indexed: 08/12/2024] Open
Abstract
Occupational pulmonary diseases (OPDs) pose a significant global health challenge, contributing to high mortality rates. This review delves into the pathophysiology of hypoxia and the safety of intermittent hypoxic conditioning (IHC) in OPD patients. By examining sources such as PubMed, Relemed, NLM, Scopus, and Google Scholar, the review evaluates the efficacy of IHC in clinical outcomes for OPD patients. It highlights the complexities of cardiovascular and respiratory regulation dysfunctions in OPDs, focusing on respiratory control abnormalities and the impact of intermittent hypoxic exposures. Key areas include the physiological effects of hypoxia, the role of hypoxia-inducible factor-1 alpha (HIF-1α) in occupational lung diseases, and the links between brain ischemia, stroke, and OPDs. The review also explores the interaction between intermittent hypoxic exposures, mitochondrial energetics, and lung physiology. The potential of IHE to improve clinical manifestations and underlying pathophysiology in OPD patients is thoroughly examined. This comprehensive analysis aims to benefit molecular pathologists, pulmonologists, clinicians, and physicians by enhancing understanding of IHE's clinical benefits, from research to patient care, and improving clinical outcomes for OPD patients.
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Affiliation(s)
- Zhang Xinliang
- Chair of Sports Medicine and Rehabilitation, Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 8/2 Trubetskaya Str., Moscow 119991, Russia; Co-Chair of Normal Physiology, Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 8/2 Trubetskaya Str., Moscow 119991, Russia.
| | - Eugeny E Achkasov
- Chair of Sports Medicine and Rehabilitation, Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 8/2 Trubetskaya Str., Moscow 119991, Russia.
| | - Leonid K Gavrikov
- Volgograd State Medical University, 1, Pavshikh Bortsov Sq., Volgograd 400131, Russia.
| | - Li Yuchen
- Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 8/2 Trubetskaya Str., Moscow 119991, Russia.
| | - Chen Zhang
- Chair of Epidemiology and Modern Technologies of Vaccination, Institute of Professional Education, I.M. Sechenov First Moscow State Medical University (Sechenov University), 8/2 Trubetskaya Str., Moscow 119991, Russia
| | - Elena N Dudnik
- Co-Chair of Normal Physiology, Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 8/2 Trubetskaya Str., Moscow 119991, Russia.
| | - Olga Rumyantseva
- Izmerov Research Institute of Occupational Health, 31 Budeynniy Avenye, Moscow 105275, Russia.
| | - Narasimha M Beeraka
- Herman B. Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, 1044 W. Walnut Street, R4-168, Indianapolis, IN 46202, USA; Department of Human Anatomy and Histology, I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), 8/2 Trubetskaya Str., Moscow 119991, Russia; Raghavendra Institute of Pharmaceutical Education and Research (RIPER), Chiyyedu, Anantapuramu, Andhra Pradesh 515721, India.
| | - Oleg S Glazachev
- Co-Chair of Normal Physiology, Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), 8/2 Trubetskaya Str., Moscow 119991, Russia.
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28
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Ježek P, Dlasková A, Engstová H, Špačková J, Tauber J, Průchová P, Kloppel E, Mozheitova O, Jabůrek M. Mitochondrial Physiology of Cellular Redox Regulations. Physiol Res 2024; 73:S217-S242. [PMID: 38647168 PMCID: PMC11412358 DOI: 10.33549/physiolres.935269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/04/2024] Open
Abstract
Mitochondria (mt) represent the vital hub of the molecular physiology of the cell, being decision-makers in cell life/death and information signaling, including major redox regulations and redox signaling. Now we review recent advances in understanding mitochondrial redox homeostasis, including superoxide sources and H2O2 consumers, i.e., antioxidant mechanisms, as well as exemplar situations of physiological redox signaling, including the intramitochondrial one and mt-to-cytosol redox signals, which may be classified as acute and long-term signals. This review exemplifies the acute redox signals in hypoxic cell adaptation and upon insulin secretion in pancreatic beta-cells. We also show how metabolic changes under these circumstances are linked to mitochondrial cristae narrowing at higher intensity of ATP synthesis. Also, we will discuss major redox buffers, namely the peroxiredoxin system, which may also promote redox signaling. We will point out that pathological thresholds exist, specific for each cell type, above which the superoxide sources exceed regular antioxidant capacity and the concomitant harmful processes of oxidative stress subsequently initiate etiology of numerous diseases. The redox signaling may be impaired when sunk in such excessive pro-oxidative state.
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Affiliation(s)
- P Ježek
- Laboratory of Mitochondrial Physiology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic.
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29
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Walter Jackson Iii, Yang Y, Salman S, Dordai D, Lyu Y, Datan E, Drehmer D, Huang TYT, Hwang Y, Semenza GL. Pharmacologic HIF stabilization activates costimulatory receptor expression to increase antitumor efficacy of adoptive T cell therapy. SCIENCE ADVANCES 2024; 10:eadq2366. [PMID: 39196939 DOI: 10.1126/sciadv.adq2366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Accepted: 07/23/2024] [Indexed: 08/30/2024]
Abstract
Adoptive cell transfer (ACT) is a therapeutic strategy to augment antitumor immunity. Here, we report that ex vivo treatment of mouse CD8+ T cells with dimethyloxalylglycine (DMOG), a stabilizer of hypoxia-inducible factors (HIFs), induced HIF binding to the genes encoding the costimulatory receptors CD81, GITR, OX40, and 4-1BB, leading to increased expression. DMOG treatment increased T cell killing of melanoma cells, which was further augmented by agonist antibodies targeting each costimulatory receptor. In tumor-bearing mice, ACT using T cells treated ex vivo with DMOG and agonist antibodies resulted in decreased tumor growth compared to ACT using control T cells and increased intratumoral markers of CD8+ T cells (CD7, CD8A, and CD8B1), natural killer cells (NCR1 and KLRK1), and cytolytic activity (perforin-1 and tumor necrosis factor-α). Costimulatory receptor gene expression was also induced when CD8+ T cells were treated with three highly selective HIF stabilizers that are currently in clinical use.
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MESH Headings
- Animals
- Mice
- Immunotherapy, Adoptive/methods
- CD8-Positive T-Lymphocytes/immunology
- CD8-Positive T-Lymphocytes/metabolism
- CD8-Positive T-Lymphocytes/drug effects
- Amino Acids, Dicarboxylic/pharmacology
- Cell Line, Tumor
- Receptors, OX40/metabolism
- Glucocorticoid-Induced TNFR-Related Protein/metabolism
- Tumor Necrosis Factor Receptor Superfamily, Member 9/metabolism
- Mice, Inbred C57BL
- Melanoma, Experimental/therapy
- Melanoma, Experimental/immunology
- Hypoxia-Inducible Factor 1, alpha Subunit/metabolism
- Hypoxia-Inducible Factor 1, alpha Subunit/genetics
- Cytotoxicity, Immunologic/drug effects
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Affiliation(s)
- Walter Jackson Iii
- Armstrong Oxygen Biology Research Center and Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Yongkang Yang
- Armstrong Oxygen Biology Research Center and Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD 21205, USA
| | - Shaima Salman
- Armstrong Oxygen Biology Research Center and Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Dominic Dordai
- Armstrong Oxygen Biology Research Center and Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Yajing Lyu
- Armstrong Oxygen Biology Research Center and Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Emmanuel Datan
- Armstrong Oxygen Biology Research Center and Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Daiana Drehmer
- Armstrong Oxygen Biology Research Center and Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Tina Yi-Ting Huang
- Armstrong Oxygen Biology Research Center and Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Yousang Hwang
- Armstrong Oxygen Biology Research Center and Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Gregg L Semenza
- Armstrong Oxygen Biology Research Center and Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD 21205, USA
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30
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Yu S, Shu X, Wang X, Sheng Y, Li S, Wang Y, Zhang Y, Tao J, Jiang X, Wu C. The novel HSP90 monoclonal antibody 9B8 ameliorates articular cartilage degeneration by inhibiting glycolysis via the HIF-1 signaling pathway. Heliyon 2024; 10:e35603. [PMID: 39229534 PMCID: PMC11369415 DOI: 10.1016/j.heliyon.2024.e35603] [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: 04/11/2024] [Revised: 07/04/2024] [Accepted: 07/31/2024] [Indexed: 09/05/2024] Open
Abstract
Osteoarthritis (OA) is a prevalent chronic degenerative disease that affects the bones and joints, particularly in middle-aged and elderly individuals. It is characterized by progressive joint pain, swelling, stiffness, and deformity. Notably, treatment with a heat shock protein 90 (HSP90) inhibitor has significantly curtailed cartilage destruction in a rat model of OA. Although the monoclonal antibody 9B8 against HSP90 is recognized for its anti-tumor properties, its potential therapeutic impact on OA remains uncertain. This study investigated the effects of 9B8 on OA and its associated signaling pathways in interleukin-1β (IL-1β)-stimulated human chondrocytes and a rat anterior cruciate ligament transection (ACLT) model. A specific concentration of 9B8 preserved cell viability against IL-1β-induced reduction. In vitro, 9B8 significantly reduced the expression of extracellular matrix-degrading enzyme such as disintegrin and metallopeptidase-4 (ADAMTS4) of thrombospondin motifs, matrix metalloproteinase-13 (MMP-13), as well as cellular inflammatory factors such as tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6), which were upregulated by IL-1β. In vivo, 9B8 effectively protected the articular cartilage and subchondral bone of the rat tibial plateau from ACLT-induced damage. Additionally, gene microarray analysis revealed that IL-1β substantially increased the expression of SLC2A1, PFKP, and ENO2 within the HIF-1 signaling pathway, whereas 9B8 suppressed the expression of these genes. Thus, 9B8 effectively mitigates ACLT-induced osteoarthritis in rats by modulating the HIF-1 signaling pathway, thereby inhibiting overexpression involved in glycolysis. These results collectively indicate that 9B8 is a promising novel drug for the prevention and treatment of OA.
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Affiliation(s)
- Shunan Yu
- Department of Molecular Orthopedics, Beijing Research Institute of Traumatology and Orthopedics, National Center for Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, PR China
| | - Xiong Shu
- Department of Molecular Orthopedics, Beijing Research Institute of Traumatology and Orthopedics, National Center for Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, PR China
| | - Xinyu Wang
- Department of Molecular Orthopedics, Beijing Research Institute of Traumatology and Orthopedics, National Center for Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, PR China
| | - Yueyang Sheng
- Department of Molecular Orthopedics, Beijing Research Institute of Traumatology and Orthopedics, National Center for Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, PR China
| | - Shan Li
- Department of Molecular Orthopedics, Beijing Research Institute of Traumatology and Orthopedics, National Center for Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, PR China
| | - Ying Wang
- Department of Molecular Orthopedics, Beijing Research Institute of Traumatology and Orthopedics, National Center for Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, PR China
| | - Yanzhuo Zhang
- Department of Molecular Orthopedics, Beijing Research Institute of Traumatology and Orthopedics, National Center for Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, PR China
| | - Jiangfeng Tao
- Department of Molecular Orthopedics, Beijing Research Institute of Traumatology and Orthopedics, National Center for Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, PR China
| | - Xu Jiang
- Department of Orthopaedics, Beijing Jishuitan Hospital, Capital Medical University, Beijing Research Institute of Traumatology and Orthopaedics, Beijing, 100035, PR China
| | - Chengai Wu
- Department of Molecular Orthopedics, Beijing Research Institute of Traumatology and Orthopedics, National Center for Orthopaedics, Beijing Jishuitan Hospital, Beijing, 100035, PR China
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31
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Jia Y, Wang F, Chen S, Wang J, Gao Y. Long-term hypoxia-induced physiological response in turbot Scophthalmus maximus L. FISH PHYSIOLOGY AND BIOCHEMISTRY 2024:10.1007/s10695-024-01398-3. [PMID: 39190213 DOI: 10.1007/s10695-024-01398-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 08/14/2024] [Indexed: 08/28/2024]
Abstract
Hypoxia affects fish's survival, growth, and physiological metabolism processes. In this study, turbot plasma glucose and cortisol contents, hepatic glycolysis (hexokinase [HK], phosphofructokinase [PFK], pyruvate kinase [PK]) and lipolysis (fatty acid synthetase [FAS], lipoprotein lipase [LPL]) enzyme activities, anti-oxidant enzyme (superoxide dismutase [SOD], catalase [CAT], glutathione peroxidase [GSH-Px]) activities, malondialdehyde (MDA), lactate and glycogen contents, gill histological parameters (lamellar length [SLL], width [SLW], interlamellar distance [ID]), respiratory frequency (RF), the proportion of the secondary lamellae available for gas exchange (PAGE), and hifs (hif-1α, hif-2α, hif-3α) expression were determined during long-term hypoxia and reoxygenation. Results showed that long-term hypoxia (3.34 ± 0.17 mg L-1) significantly elevated plasma cortisol and glucose contents; increased hepatic HK, PK, PFK, FAS, and LPL activity; decreased hepatic glycogen, lactate contents, and lipid drop numbers; and caused changes of hepatocyte (vacuolation, pyknotic, and lytic nucleus) after treatment for 4 weeks. Hepatic SOD, CAT, GSH-Px activity, and MDA contents; lamellar perimeter, SLL, ID, RF, and PAGE; and hepatic hif-1α, hif-2α, and hif-3α manifested similar results. Meanwhile, hif-1α is significantly higher than hif-2α, and hif-3α. Interestingly, females and males demonstrated no sex dimorphism significantly different from the above parameters (except hepatic FAS, LPL activity, and lipid drop number) under hypoxia. The above parameters recovered to normal levels after reoxygenation treatment for 4 weeks. Thus, long-term hypoxia promotes turbot hepatic glycogenolysis and lipolysis, induces oxidative damage and stimulates hepatic antioxidant capacity, and alters gill morphology to satisfy insufficient energy demand and alleviate potential damage, while hif-1α plays critical roles in the above physiological process.
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Affiliation(s)
- Yudong Jia
- Yellow Sea Fisheries Research Institute, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Chinese Academy of Fishery Sciences, No. 106 Nanjing Road, Qingdao, 266071, People's Republic of China.
| | - Feng Wang
- Yellow Sea Fisheries Research Institute, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Chinese Academy of Fishery Sciences, No. 106 Nanjing Road, Qingdao, 266071, People's Republic of China
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Shuaiyu Chen
- Yellow Sea Fisheries Research Institute, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Chinese Academy of Fishery Sciences, No. 106 Nanjing Road, Qingdao, 266071, People's Republic of China
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Jiawei Wang
- Yellow Sea Fisheries Research Institute, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Chinese Academy of Fishery Sciences, No. 106 Nanjing Road, Qingdao, 266071, People's Republic of China
| | - Yuntao Gao
- Yellow Sea Fisheries Research Institute, Qingdao Key Laboratory for Marine Fish Breeding and Biotechnology, Chinese Academy of Fishery Sciences, No. 106 Nanjing Road, Qingdao, 266071, People's Republic of China
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32
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Aderinto N, Olatunji G, Kokori E, Sanker V, Yusuf IA, Adefusi TO, Egbunu E, Aboje JE, Apampa OO, Ogieuhi IJ, Obasanjo OM, Awuah WA. miR-210 in ischaemic stroke: biomarker potential, challenges and future perspectives. Eur J Med Res 2024; 29:432. [PMID: 39180099 PMCID: PMC11342498 DOI: 10.1186/s40001-024-02029-6] [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: 03/15/2024] [Accepted: 08/17/2024] [Indexed: 08/26/2024] Open
Abstract
Ischaemic stroke, a leading cause of global morbidity and mortality, necessitates effective biomarkers for enhanced diagnostic and prognostic stratification. MicroRNAs (miRNAs), particularly miR-210, have emerged as promising candidates due to their intricate regulatory roles in cellular responses to hypoxia and neuroprotective effects. This study explores the potential of miR-210 as a biomarker for ischaemic stroke, considering its expression patterns, regulatory functions and diagnostic/prognostic implications. A literature search was conducted on PubMed, Scopus, Google Scholar and Web of Science to identify studies focusing on miR-210 in ischaemic stroke. Inclusion criteria comprised reports on miR-210 expression in ischaemic stroke patients, excluding non-English studies, reviews, commentaries and conference abstracts lacking primary data. Studies investigating miR-210 levels in ischaemic stroke patients revealed significant alterations in expression patterns compared to healthy controls. Diagnostic potential was explored, indicating miR-210's sensitivity and specificity in distinguishing ischaemic stroke from other neurological conditions. Prognostic value was evident through associations with infarct size, functional outcomes and long-term survival. Challenges included variability in miR-210 levels, limited diagnostic specificity, absence of standardised assays and concerns regarding cost-effectiveness and accessibility. While miR-210 holds promise as an ischaemic stroke biomarker, challenges must be addressed for its successful integration into clinical practice. Standardised reference ranges, validation studies in diverse populations and collaborative efforts for assay standardisation are crucial. Despite challenges, miR-210's diagnostic and prognostic potential, particularly in predicting therapeutic responses, suggests a significant role in advancing ischaemic stroke management.
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Affiliation(s)
- Nicholas Aderinto
- Department of Medicine, Ladoke Akintola University of Technology, Ogbomoso, Nigeria.
- Department of Medicine and Surgery, Ladoke Akintola University of Technology, Ogbomoso, Nigeria.
| | - Gbolahan Olatunji
- Department of Medicine and Surgery, University of Ilorin, Ilorin, Nigeria
| | - Emmanuel Kokori
- Department of Medicine and Surgery, University of Ilorin, Ilorin, Nigeria
| | - Vivek Sanker
- Department of Neurosurgery, Trivandrum Medical College, Thiruvananthapuram, Kerala, India
| | - Ismaila Ajayi Yusuf
- Department of Medicine and Surgery, Obafemi Awolowo University Teaching Hospital, Ife, Nigeria
| | | | | | - John Ehi Aboje
- College of Health Sciences, Benue State University, Benue, Nigeria
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33
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Dittfeld C, Schmieder F, Behrens S, Jannasch A, Matschke K, Sonntag F, Tugtekin SM. Oxygenator assisted dynamic microphysiological culture elucidates the impact of hypoxia on valvular interstitial cell calcification. J Biol Eng 2024; 18:45. [PMID: 39180097 PMCID: PMC11342540 DOI: 10.1186/s13036-024-00441-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Accepted: 08/12/2024] [Indexed: 08/26/2024] Open
Abstract
INTRODUCTION Microphysiological systems (MPS) offer simulation of (patho)physiological parameters. Investigation includes items which lead to fibrosis and calcification in development and progress of calcific aortic valve disease, based e.g. on culturing of isolated valvular interstitial cells (VICs). Hypoxia regulated by hypoxia inducible factors impacts pathological differentiation in aortic valve (AV) disease. This is mimicked via an MPS implemented oxygenator in combination with calcification inducing medium supplementation. METHODS Human valvular interstitial cells were isolated and dynamically cultured in MPS at hypoxic, normoxic, arterial blood oxygen concentration and cell incubator condition. Expression profile of fibrosis and calcification markers was monitored and calcification was quantified in induction and control media with and without hypoxia and in comparison to statically cultured counterparts. RESULTS Hypoxic 24-hour culture of human VICs leads to HIF1α nuclear localization and induction of EGLN1, EGLN3 and LDHA mRNA expression but does not directly impact expression of fibrosis and calcification markers. Dependent on medium formulation, induction medium induces monolayer calcification and elevates RUNX2, ACTA2 and FN1 but reduces SOX9 mRNA expression in dynamic and static MPS culture. But combining hypoxic oxygen concentration leads to higher calcification potential of human VICs in calcification and standard medium formulation dynamically cultured for 96 h. CONCLUSION In hypoxic oxygen concentration an increased human VIC calcification in 2D VIC culture in an oxygenator assisted MPS was detected. Oxygen regulation therefore can be combined with calcification induction media to monitor additional effects of pathological marker expression. Validation of oxygenator dependent VIC behavior envisions future advancement and transfer to long term aortic valve tissue culture MPS.
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Affiliation(s)
- Claudia Dittfeld
- Department of Cardiac Surgery, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Heart Centre Dresden, Dresden, Germany.
| | - Florian Schmieder
- Fraunhofer Institute for Material and Beam Technology IWS, Dresden, Germany
| | - Stephan Behrens
- Fraunhofer Institute for Material and Beam Technology IWS, Dresden, Germany
| | - Anett Jannasch
- Department of Cardiac Surgery, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Heart Centre Dresden, Dresden, Germany
| | - Klaus Matschke
- Department of Cardiac Surgery, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Heart Centre Dresden, Dresden, Germany
| | - Frank Sonntag
- Fraunhofer Institute for Material and Beam Technology IWS, Dresden, Germany
| | - Sems-Malte Tugtekin
- Department of Cardiac Surgery, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Heart Centre Dresden, Dresden, Germany
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34
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Sigg AA, Zivkovic V, Bartussek J, Schuepbach RA, Ince C, Hilty MP. The physiological basis for individualized oxygenation targets in critically ill patients with circulatory shock. Intensive Care Med Exp 2024; 12:72. [PMID: 39174691 PMCID: PMC11341514 DOI: 10.1186/s40635-024-00651-6] [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: 01/26/2024] [Accepted: 07/21/2024] [Indexed: 08/24/2024] Open
Abstract
BACKGROUND Circulatory shock, defined as decreased tissue perfusion, leading to inadequate oxygen delivery to meet cellular metabolic demands, remains a common condition with high morbidity and mortality. Rapid restitution and restoration of adequate tissue perfusion are the main treatment goals. To achieve this, current hemodynamic strategies focus on adjusting global physiological variables such as cardiac output (CO), hemoglobin (Hb) concentration, and arterial hemoglobin oxygen saturation (SaO2). However, it remains a challenge to identify optimal targets for these global variables that best support microcirculatory function. Weighting up the risks and benefits is especially difficult for choosing the amount of oxygen supplementation in critically ill patients. This review assesses the physiological basis for oxygen delivery to the tissue and provides an overview of the relevant literature to emphasize the importance of considering risks and benefits and support decision making at the bedside. PHYSIOLOGICAL PREMISES Oxygen must reach the tissue to enable oxidative phosphorylation. The human body timely detects hypoxia via different mechanisms aiming to maintain adequate tissue oxygenation. In contrast to the pulmonary circulation, where the main response to hypoxia is arteriolar vasoconstriction, the regulatory mechanisms of the systemic circulation aim to optimize oxygen availability in the tissues. This is achieved by increasing the capillary density in the microcirculation and the capillary hematocrit thereby increasing the capacity of oxygen diffusion from the red blood cells to the tissue. Hyperoxia, on the other hand, is associated with oxygen radical production, promoting cell death. CURRENT STATE OF RESEARCH Clinical trials in critically ill patients have primarily focused on comparing macrocirculatory endpoints and outcomes based on stroke volume and oxygenation targets. Some earlier studies have indicated potential benefits of conservative oxygenation. Recent trials show contradictory results regarding mortality, organ dysfunction, and ventilatory-free days. Empirical studies comparing various targets for SaO2, or partial pressure of oxygen indicate a U-shaped curve balancing positive and negative effects of oxygen supplementation. CONCLUSION AND FUTURE DIRECTIONS To optimize risk-benefit ratio of resuscitation measures in critically ill patients with circulatory shock in addition to individual targets for CO and Hb concentration, a primary aim should be to restore tissue perfusion and avoid hyperoxia. In the future, an individualized approach with microcirculatory targets will become increasingly relevant. Further studies are needed to define optimal targets.
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Affiliation(s)
- Anne-Aylin Sigg
- Institute of Intensive Care Medicine, University Hospital of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland.
| | - Vanja Zivkovic
- Institute of Intensive Care Medicine, University Hospital of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
| | - Jan Bartussek
- Institute of Intensive Care Medicine, University Hospital of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
| | - Reto A Schuepbach
- Institute of Intensive Care Medicine, University Hospital of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
| | - Can Ince
- Department of Intensive Care, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Matthias P Hilty
- Institute of Intensive Care Medicine, University Hospital of Zurich, Raemistrasse 100, 8091, Zurich, Switzerland
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Chang TD, Chen D, Luo JL, Wang YM, Zhang C, Chen SY, Lin ZQ, Zhang PD, Tang TX, Li H, Dong LM, Wu N, Tang ZH. The different paradigms of NK cell death in patients with severe trauma. Cell Death Dis 2024; 15:606. [PMID: 39168979 PMCID: PMC11339281 DOI: 10.1038/s41419-024-06992-0] [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: 01/10/2024] [Revised: 08/07/2024] [Accepted: 08/09/2024] [Indexed: 08/23/2024]
Abstract
Lymphocyte decline, particularly the depletion of NK cells, is a prominent feature of immunosuppression following severe tissue injury, heightening the susceptibility of severe trauma patients to life-threatening infections. Previous research indicates that the reduction in the number of NK cells is closely associated with the process of cell death. Nonetheless, the precise mechanism of NK cell death remains unknown. Here, we discovered that following severe traumatic injury, NK cells undergo several cell death pathways, dominated by apoptosis and pyroptosis with coexistence of necrotic cell death, immunogenic cell death, ferroptosis, and autophagy. These NK cells with different paradigms of death have diverse cytokine expression profiles and diverse interactions with other immune cells. Further exploration revealed that hypoxia was strongly associated with this diverse paradigm of NK cell death. Detailed investigation of paradigms of cell death may help to enhance comprehension of lymphopenia post-severe trauma, to develop new strategy in preventing immunosuppression, and then to improve outcome for severe trauma population.
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Affiliation(s)
- Te-Ding Chang
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Deng Chen
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jia-Liu Luo
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu-Man Wang
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Cong Zhang
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shun-Yao Chen
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhi-Qiang Lin
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pei-Dong Zhang
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ting-Xuan Tang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hui Li
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Li-Ming Dong
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ning Wu
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Immunology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Zhao-Hui Tang
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Zheng S, Jiang J, Shu Z, Qiu C, Jiang L, Zhao N, Lin X, Qian Y, Liang B, Qiu L. Fine particulate matter (PM 2.5) induces testosterone disruption by triggering ferroptosis through SIRT1/HIF-1α signaling pathway in male mice. Free Radic Biol Med 2024; 221:40-51. [PMID: 38759901 DOI: 10.1016/j.freeradbiomed.2024.05.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/10/2024] [Accepted: 05/13/2024] [Indexed: 05/19/2024]
Abstract
Fine particulate matter (PM2.5), a significant component of air pollution particulate matter, is inevitable and closely associated with increasing male reproductive disorder. However, the testicular targets of PM2.5 and its toxicity related molecular mechanisms are still not fully understood. In this study, the conditional knockout (cKO) mice and primary Leydig cells were used to explore the testicular targets of PM2.5 and the related underlying mechanisms. First, apparent the structure impairment of seminiferous tubules, Leydig cells vacuolization, decline of serum testosterone and sperm quality reduction were found in male wild-type (WT) and Sirt1 knockout mice after exposure to PM2.5. Enrichment analyses revealed that differentially expressed genes (DEGs) were enriched in steroid hormone biosynthesis, ferroptosis, and HIF-1 signaling pathway in the mice testes after exposure to PM2.5, which were subsequently verified by the molecular biological analyses. Notably, similar enrichment analyses results were also observed in primary Leydig cells after treatment with PM2.5. In addition, Knockdown of Sirt1 significantly increased PM2.5-induced expression and activation of HIF-1α, which was in parallel to the changes of cellular iron levels, oxidative stress indicators and the ferroptosis markers. In conclusion, this highlights that PM2.5 triggers ferroptosis via SIRT1/HIF-1α signaling pathway to inhibit testosterone synthesis in males. These findings provide a novel research support for the study that PM2.5 causes male reproductive injury.
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Affiliation(s)
- Shaokai Zheng
- School of Public Health, Nantong University, 9 Seyuan Rd, Nantong, 226019, PR China
| | - Jinchen Jiang
- School of Public Health, Nantong University, 9 Seyuan Rd, Nantong, 226019, PR China
| | - Zhenhao Shu
- School of Public Health, Nantong University, 9 Seyuan Rd, Nantong, 226019, PR China
| | - Chong Qiu
- Medical School, Nantong University, 19 Qixiu Rd, Nantong, 226001, PR China
| | - Lianlian Jiang
- School of Public Health, Nantong University, 9 Seyuan Rd, Nantong, 226019, PR China
| | - Nannan Zhao
- School of Public Health, Nantong University, 9 Seyuan Rd, Nantong, 226019, PR China
| | - Xiaojun Lin
- School of Public Health, Nantong University, 9 Seyuan Rd, Nantong, 226019, PR China
| | - Yingyun Qian
- Graduate School, Nantong University, 9 Seyuan Rd, Nantong, 226019, PR China
| | - Bo Liang
- Department of Ultrasound, Affiliated Hospital 2 of Nantong University, 6 Hai'er Lane North Rd, Nantong, 226019, PR China.
| | - Lianglin Qiu
- School of Public Health, Nantong University, 9 Seyuan Rd, Nantong, 226019, PR China.
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Yao H, Tian J, Cheng S, Dou H, Zhu Y. The mechanism of hypoxia-inducible factor-1α enhancing the transcriptional activity of transferrin ferroportin 1 and regulating the Nrf2/HO-1 pathway in ferroptosis after cerebral ischemic injury. Neuroscience 2024; 559:26-38. [PMID: 39168172 DOI: 10.1016/j.neuroscience.2024.08.025] [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: 01/06/2024] [Revised: 07/05/2024] [Accepted: 08/18/2024] [Indexed: 08/23/2024]
Abstract
Cerebral ischemic/reperfusion (I/R) injury has high disability and morbidity. Hypoxia-inducible factor-1α (HIF-1α) may enhance the transcriptional activity of transferrin ferroportin 1 (FPN1) in regulating ferroptosis after cerebral ischemia injury (CII). In this study, cerebral I/R injury rat models were established and treated with pcDNA3.1-HIF-1α, pcDNA3.1-NC lentiviral plasmid, or ML385 (a specific Nrf2 inhibitor). Additionally, oxygen-glucose deprivation/reoxygenation (OGD/R) exposed PC12 cells were used as an in vitro model of cerebral ischemia and treated with pcDNA3.1-HIF-1α, si-FPN1, or ML385. The results elicited that cerebral I/R injury rats exhibited increased Longa scores, TUNEL and NeuN co-positive cells, Fe2+ concentration, ROS and HIF-1α levels, and MDA content, while reduced cell density and number, GSH content, and GPX4 protein level. Morphologically abnormal and disordered hippocampal neurons were also observed in CII rats. HIF-1α inhibited brain neuron ferroptosis and ameliorated I/R injury. HIF-1α alleviated OGD-induced PC12 cell ferroptosis. OGD/R decreased FPN1 protein level in PC12 cells, and HIF-1α enhanced FPN1 transcriptional activity. FPN1 knockdown reversed HIF-1α-mediated alleviation of OGD/R-induced ferroptosis. HIF-1α activated the Nrf2/HO-1 pathway by enhancing FPN1 expression and alleviating OGD/R-induced ferroptosis. Conjointly, HIF-1α enhanced the transcriptional activity of FPN1, activated the Nrf2/HO-1 pathway, and inhibited ferroptosis of brain neurons, thereby improving I/R injury in CII rats.
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Affiliation(s)
- Haiqian Yao
- Department of Neurology, The second Affiliated of Harbin Medical University, Xuefu Road 246, Harbin, Heilongjiang 150001, China
| | - Jianan Tian
- Department of Neurology, The second Affiliated of Harbin Medical University, Xuefu Road 246, Harbin, Heilongjiang 150001, China
| | - Shi Cheng
- Department of Orthopaedics, The second Affiliated of Harbin Medical University, Xuefu Road 246, Harbin, Heilongjiang 150001, China
| | - Haitong Dou
- Department of Neurology, The second Affiliated of Harbin Medical University, Xuefu Road 246, Harbin, Heilongjiang 150001, China
| | - Yulan Zhu
- Department of Neurology, The second Affiliated of Harbin Medical University, Xuefu Road 246, Harbin, Heilongjiang 150001, China.
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Hajiaqaei M, Ranjbaran M, Kadkhodaee M, Shafie A, Abdi A, Lorian K, Kianian F, Seifi B. Hydrogen sulfide upregulates hypoxia inducible factors and erythropoietin production in chronic kidney disease induced by 5/6 nephrectomized rats. Mol Biol Rep 2024; 51:916. [PMID: 39158746 DOI: 10.1007/s11033-024-09824-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Accepted: 07/23/2024] [Indexed: 08/20/2024]
Abstract
INTRODUCTION In end stage renal disease )ESRD(, reduced EPO production resulted in decreased oxygen diffusion that cause Hypoxia-inducible factors (HIFs) stabilization. The mechanism of beneficial effects of H2S in chronic kidney disease (CKD) is the aim of the present study to examine the effects of the H2S donor sodium hydrosulfide (NaHS) on renal function parameters, oxidative stress indices and expression levels of HIF-2α gene and erythropoietin protein in 5/6 nephrectomy-induced chronic renal failure in rats. METHODS AND MATERIALS Male rats were assigned into 3 groups (n = 8): Sham, CKD and NaHS groups. In the CKD group, 5/6 nephrectomy was performed. In the sham group, rats were anesthetized but 5/6 nephrectomy was not induced. In the NaHS group, 30 µmol/L of NaHS in drinking water for 8 weeks was adminstrated 4 weeks after 5/6 nephrectomy induction. At the end of the 12 week, blood and renal tissues were taken to evaluate renal function parameters, oxidative stress indices and expression levels of HIF-2α gene and erythropoietin protein. RESULTS The induction of 5/6 nephrectomy significantly caused renal dysfunction, oxidative stress, increased HIF-2α gene expression and decreased erythropoietin levels in renal tissue samples. NaHS administration resulted in a marked improvement in renal function and oxidative stress indicators, a marked reduction in HIF-2α gene expression as well as an increase in erythropoietin protein levels in comparison with the CKD group. CONCLUSION In this study, regional hypoxia and oxidative stress in CKD, may cause the stabilization of the HIFs complexes, although erythropoietin synthesis was not increased due to destructive effects of CKD on the kidney tissues. Administration of NaHS caused up-regulating HIF-erythropoietin signaling pathway.
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Affiliation(s)
- Mahdi Hajiaqaei
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Poorsina Ave, Tehran, Iran
| | - Mina Ranjbaran
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Poorsina Ave, Tehran, Iran
| | - Mehri Kadkhodaee
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Poorsina Ave, Tehran, Iran
| | - Anahid Shafie
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Poorsina Ave, Tehran, Iran
| | - Arash Abdi
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Poorsina Ave, Tehran, Iran
| | - Keivan Lorian
- Research and Clinical Center for Infertility, Yazd Rreproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Farzaneh Kianian
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Poorsina Ave, Tehran, Iran
| | - Behjat Seifi
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Poorsina Ave, Tehran, Iran.
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Mal S, Majumder D, Birari P, Sharma AK, Gupta U, Jana K, Kundu M, Basu J. The miR-26a/SIRT6/HIF-1α axis regulates glycolysis and inflammatory responses in host macrophages during Mycobacterium tuberculosis infection. FEBS Lett 2024. [PMID: 39155147 DOI: 10.1002/1873-3468.15001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 06/12/2024] [Accepted: 07/03/2024] [Indexed: 08/20/2024]
Abstract
Mycobacterium tuberculosis (Mtb) is the causative agent of tuberculosis. Here, a macrophage infection model was used to unravel the role of the histone deacetylase sirtuin 6 (SIRT6) in Mtb-triggered regulation of the innate immune response. Mtb infection downregulated microRNA-26a and upregulated its target SIRT6. SIRT6 suppressed glycolysis and expression of HIF-1α-dependent glycolytic genes during infection. In addition, SIRT6 regulated the levels of intracellular succinate which controls stabilization of HIF-1α, as well as the release of interleukin (IL)-1β. Furthermore, SIRT6 inhibited inducible nitric oxide synthase (iNOS) and proinflammatory IL-6 but augmented anti-inflammatory arginase expression. The miR-26a/SIRT6/HIF-1α axis therefore regulates glycolysis and macrophage immune responses during Mtb infection. Our findings link SIRT6 to rewiring of macrophage signaling pathways facilitating dampening of the antibacterial immune response.
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Affiliation(s)
- Soumya Mal
- Department of Biological Sciences, Bose Institute, Unified Academic Campus, Kolkata, India
| | | | - Pankaj Birari
- Department of Chemical Sciences, Bose Institute, Kolkata, India
| | | | - Umesh Gupta
- National JALMA Institute of Leprosy and Other Mycobacterial Disease, Agra, India
| | - Kuladip Jana
- Department of Biological Sciences, Bose Institute, Unified Academic Campus, Kolkata, India
| | | | - Joyoti Basu
- Department of Chemical Sciences, Bose Institute, Kolkata, India
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Guo Z, Zhang Y, Wang H, Liao L, Ma L, Zhao Y, Yang R, Li X, Niu J, Chu Q, Fu Y, Li B, Yang C. Hypoxia-induced downregulation of PGK1 crotonylation promotes tumorigenesis by coordinating glycolysis and the TCA cycle. Nat Commun 2024; 15:6915. [PMID: 39134530 PMCID: PMC11319824 DOI: 10.1038/s41467-024-51232-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 08/02/2024] [Indexed: 08/15/2024] Open
Abstract
Protein post-translational modifications (PTMs) are crucial for cancer cells to adapt to hypoxia; however, the functional significance of lysine crotonylation (Kcr) in hypoxia remains unclear. Herein we report a quantitative proteomics analysis of global crotonylome under normoxia and hypoxia, and demonstrate 128 Kcr site alterations across 101 proteins in MDA-MB231 cells. Specifically, we observe a significant decrease in K131cr, K156cr and K220cr of phosphoglycerate kinase 1 (PGK1) upon hypoxia. Enoyl-CoA hydratase 1 (ECHS1) is upregulated and interacts with PGK1, leading to the downregulation of PGK1 Kcr under hypoxia. Abolishment of PGK1 Kcr promotes glycolysis and suppresses mitochondrial pyruvate metabolism by activating pyruvate dehydrogenase kinase 1 (PDHK1). A low PGK1 K131cr level is correlated with malignancy and poor prognosis of breast cancer. Our findings show that PGK1 Kcr is a signal in coordinating glycolysis and the tricarboxylic acid (TCA) cycle and may serve as a diagnostic indicator for breast cancer.
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Affiliation(s)
- Zihao Guo
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, 100069, China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China
| | - Yang Zhang
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, 100069, China
| | - Haoyue Wang
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, 100069, China
| | - Liming Liao
- Westlake Four-Dimensional Dynamic Metabolomics (Meta4D) Laboratory, Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, 310024, China
| | - Lingdi Ma
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, 100069, China
| | - Yiliang Zhao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China
| | - Ronghui Yang
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, 100069, China
| | - Xuexue Li
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, 100069, China
| | - Jing Niu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China
| | - Qiaoyun Chu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China
| | - Yanxia Fu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China
| | - Binghui Li
- Beijing Institute of Hepatology, Beijing Youan Hospital, Capital Medical University, Beijing, 100069, China.
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China.
- Department of Cancer Cell Biology and National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, China.
| | - Chuanzhen Yang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China.
- Westlake Four-Dimensional Dynamic Metabolomics (Meta4D) Laboratory, Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, 310024, China.
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Meng Z, Zhong X, Liang D, Ma X, Chen W, He X. MiR-143-5p regulates the proangiogenic potential of human dental pulp stem cells by targeting HIF-1α/RORA under hypoxia: A laboratory investigation in pulp regeneration. Int Endod J 2024. [PMID: 39126298 DOI: 10.1111/iej.14133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 07/21/2024] [Accepted: 07/22/2024] [Indexed: 08/12/2024]
Abstract
AIM Angiogenesis is a key event in the successful healing of pulp injuries, and hypoxia is the main stimulator of pulpal angiogenesis. In this study, we investigated the effect of hypoxia on the proangiogenic potential of human dental pulp stem cells (hDPSCs) and the role of miR-143-5p in the process. METHODOLOGY Human dental pulp stem cells were isolated, cultured and characterized in vitro. Cobalt chloride (CoCl2) was used to induce hypoxia in hDPSCs. CCK-8 and Transwell assays were used to determine the effect of hypoxia on hDPSCs proliferation and migration. Quantitative real-time polymerase chain reaction (qRT-PCR), Western blotting (WB) and ELISA were performed to assess the mRNA and protein levels of HIF-1α and angiogenic cytokines in hDPSCs. The effect of hypoxia on hDPSCs proangiogenic potential was measured in vitro using Matrigel tube formation and chick chorioallantoic membrane (CAM) assays. Recombinant lentiviral vectors were constructed to stably overexpress or inhibit miR-143-5p in hDPSCs, and the proangiogenic effects were assessed using qRT-PCR, WB, and tube formation assays. miR-143-5p target genes were identified and verified using bioinformatics prediction tools, dual-luciferase reporter assays and RNA pull-down experiments. Finally, a subcutaneous transplantation model in nude mice was used to determine the effects of hypoxia treatment and miR-143-5p overexpression/inhibition in hDPSCs in dental pulp regeneration. RESULTS Hypoxia promotes hDPSCs proliferation, migration and proangiogenic potential. The in vivo experiments showed that hypoxia treatment (50 and 100 μM CoCl2) promoted pulp angiogenesis and dentine formation. In contrast to the levels of proangiogenic factors, miR-143-5p levels decreased with increasing CoCl2 concentration. miR-143-5p inhibition significantly promoted proangiogenic potential of hDPSCs, whereas miR-143-5p overexpression inhibited angiogenesis in vitro. Dual-luciferase reporter assay identified retinoic acid receptor-related orphan receptor alpha (RORA) as an miR-143-5p target gene in hDPSCs. RNA pull-down experiments demonstrated that HIF-1α and RORA were pulled down by biotin-labelled miR-143-5p, and the levels of HIF-1α and RORA bound to miR-143-5p in the hypoxia group were lower than those in the normoxia group. Inhibition of miR-143-5p expression in hDPSCs promoted ectopic dental pulp tissue regeneration. CONCLUSIONS CoCl2-induced hypoxia promotes hDPSCs-driven paracrine angiogenesis and pulp regeneration. The inhibition of miR-143-5p upregulates the proangiogenic potential of hDPSCs under hypoxic conditions by directly targeting HIF-1α and RORA.
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Affiliation(s)
- Zijun Meng
- The Department of Operative Dentistry and Endodontology, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious Diseases, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Xiaoyi Zhong
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious Diseases, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
- General Dental Clinic I, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Dan Liang
- The Department of Operative Dentistry and Endodontology, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious Diseases, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Xuemeng Ma
- Department of Oral Pathology, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Wenxia Chen
- The Department of Operative Dentistry and Endodontology, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious Diseases, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
| | - Xuan He
- The Department of Operative Dentistry and Endodontology, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious Diseases, College of Stomatology, Hospital of Stomatology, Guangxi Medical University, Nanning, Guangxi, China
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Elayat G, Selim A. Angiogenesis in breast cancer: insights and innovations. Clin Exp Med 2024; 24:178. [PMID: 39105831 PMCID: PMC11303414 DOI: 10.1007/s10238-024-01446-5] [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: 04/13/2024] [Accepted: 07/19/2024] [Indexed: 08/07/2024]
Abstract
This review explores the pivotal role of angiogenesis in breast cancer progression and treatment. It covers biomarkers, imaging techniques, therapeutic approaches, resistance mechanisms, and clinical implications. Key topics include Vascular Endothelial Growth Factors, angiopoietins, microRNA signatures, and circulating endothelial cells as biomarkers, along with Magnetic Resonance Imaging, Computed Tomography Angiography, Ultrasound, and Positron Emission Tomography for imaging. Therapeutic strategies targeting VEGF, tyrosine kinase inhibitors, and the intersection of angiogenesis with immunotherapy are discussed. Challenges such as resistance mechanisms and personalized medicine approaches are addressed. Clinical implications, prognostic value, and the future direction of angiogenesis-targeted therapies are highlighted. The article concludes with reflections on the transformative potential of understanding angiogenesis.
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Affiliation(s)
- Ghada Elayat
- Department of Natural Science, Middlesex University, Hendon, London, UK.
- Pathology Department, Faculty of Medicine, Tanta University, Tanta, Egypt.
| | - Abdel Selim
- Histopathology Department, King's College Hospital, Denmark Hill, London, UK
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Jiang L, Bai C, Zhu J, Su C, Wang Y, Liu H, Li Q, Qin X, Gu X, Liu T. Pharmacological mechanisms of Ma Xing Shi Gan Decoction in treating influenza virus-induced pneumonia: intestinal microbiota and pulmonary glycolysis. Front Pharmacol 2024; 15:1404021. [PMID: 39161892 PMCID: PMC11331264 DOI: 10.3389/fphar.2024.1404021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Accepted: 07/16/2024] [Indexed: 08/21/2024] Open
Abstract
Background Influenza virus is one of the most common pathogens that cause viral pneumonia. During pneumonia, host immune inflammation regulation involves microbiota in the intestine and glycolysis in the lung tissues. In the clinical guidelines for pneumonia treatment in China, Ma Xing Shi Gan Decoction (MXSG) is a commonly prescribed traditional Chinese medicine formulation with significant efficacy, however, it remains unclear whether its specific mechanism of action is related to the regulation of intestinal microbiota structure and lung tissue glycolysis. Objective This study aimed to investigate the mechanism of action of MXSG in an animal model of influenza virus-induced pneumonia. Specifically, we aimed to elucidate how MXSG modulates intestinal microbiota structure and lung tissue glycolysis to exert its therapeutic effects on pneumonia. Methods We established a mouse model of influenza virus-induced pneumoni, and treated with MXSG. We observed changes in inflammatory cytokine levels and conducted 16S rRNA gene sequencing to assess the intestinal microbiota structure and function. Additionally, targeted metabolomics was performed to analyze lung tissue glycolytic metabolites, and Western blot and enzyme-linked immunosorbent assays were performed to assess glycolysis-related enzymes, lipopolysaccharides (LPSs), HIF-1a, and macrophage surface markers. Correlation analysis was conducted between the LPS and omics results to elucidate the relationship between intestinal microbiota and lung tissue glycolysis in pneumonia animals under the intervention of Ma Xing Shi Gan Decoction. Results MXSG reduced the abundance of Gram-negative bacteria in the intestines, such as Proteobacteria and Helicobacter, leading to reduced LPS content in the serum and lungs. This intervention also suppressed HIF-1a activity and lung tissue glycolysis metabolism, decreased the number of M1-type macrophages, and increased the number of M2-type macrophages, effectively alleviating lung damage caused by influenza virus-induced pneumonia. Conclusion MXSG can alleviate glycolysis in lung tissue, suppress M1-type macrophage activation, promote M2-type macrophage activation, and mitigate inflammation in lung tissue. This therapeutic effect appears to be mediated by modulating gut microbiota and reducing endogenous LPS production in the intestines. This study demonstrates the therapeutic effects of MXSG on pneumonia and explores its potential mechanism, thus providing data support for the use of traditional Chinese medicine in the treatment of respiratory infectious diseases.
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Affiliation(s)
- Lin Jiang
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Chen Bai
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jingru Zhu
- Beijing Dingjitang Traditional Chinese Medicine Clinic Co., Ltd., Beijing, China
| | - Chen Su
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yang Wang
- Traditional Chinese Medicine Department, Beijing Jishuitan Hospital, Captial Medical University, Beijing, China
| | - Hui Liu
- Institute of Traditional Chinese Medicine for Epidemic Diseases, Beijing University of Chinese Medicine, Beijing, China
| | - Qianqian Li
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Xueying Qin
- Department of Respiratory Medicine, The First Clinical College of Beijing University of Chinese Medicine, Beijing, China
| | - Xiaohong Gu
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Tiegang Liu
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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Izquierdo-Bermejo S, Chamorro B, Martín-de-Saavedra MD, Lobete M, López-Muñoz F, Marco-Contelles J, Oset-Gasque MJ. In Vitro Modulation of Autophagy by New Antioxidant Nitrones as a Potential Therapeutic Approach for the Treatment of Ischemic Stroke. Antioxidants (Basel) 2024; 13:946. [PMID: 39199193 PMCID: PMC11351736 DOI: 10.3390/antiox13080946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 07/27/2024] [Accepted: 07/30/2024] [Indexed: 09/01/2024] Open
Abstract
Stroke is a leading cause of death worldwide, yet current therapeutic strategies remain limited. Among the neuropathological events underlying this disease are multiple cell death signaling cascades, including autophagy. Recent interest has focused on developing agents that target molecules involved in autophagy to modulate this process under pathological conditions. This study aimed to analyze the role of autophagy in cell death induced by an in vitro ischemia-reperfusion (IR) model and to determine whether nitrones, known for their neuroprotective and antioxidant effects, could modulate this process. We focused on key proteins involved in different phases of autophagy: HIF-1α, BNIP3, and BECN1 for induction and nucleation, LC3 for elongation, and p62 for degradation. Our findings confirmed that the IR model promotes autophagy, initially via HIF-1α activation. Additionally, the neuroprotective effect of three of the selected synthetic nitrones (quinolylnitrones QN6 and QN23, and homo-bis-nitrone HBN6) partially derives from their antiautophagic properties, demonstrated by a downregulation of the expression of molecular markers involved in various phases of autophagy. In contrast, the neuroprotective power of cholesteronitrone ChN2 seems to derive from its promoting effects on the initial phases of autophagy, which could potentially help inhibit other forms of cell death. These results underscore the importance of autophagy modulation in neuroprotection, highlighting the potential of inhibiting prodeath autophagy and promoting prosurvival autophagy as promising therapeutic approaches in treating ischemic stroke clinically.
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Affiliation(s)
- Sara Izquierdo-Bermejo
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, Ciudad Universitaria, 28040 Madrid, Spain; (S.I.-B.); (B.C.); (M.D.M.-d.-S.); (M.L.)
- Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, 28040 Madrid, Spain
- Faculty of Health Sciences—HM Hospitals, Camilo José Cela University, Villafranca del Castillo, 28692 Madrid, Spain;
| | - Beatriz Chamorro
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, Ciudad Universitaria, 28040 Madrid, Spain; (S.I.-B.); (B.C.); (M.D.M.-d.-S.); (M.L.)
- Faculty of Health Sciences—HM Hospitals, Camilo José Cela University, Villafranca del Castillo, 28692 Madrid, Spain;
| | - María Dolores Martín-de-Saavedra
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, Ciudad Universitaria, 28040 Madrid, Spain; (S.I.-B.); (B.C.); (M.D.M.-d.-S.); (M.L.)
- Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, 28040 Madrid, Spain
- Instituto Universitario de Investigación en Neuroquímica, Complutense University of Madrid, Ciudad Universitaria, 28040 Madrid, Spain
| | - Miguel Lobete
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, Ciudad Universitaria, 28040 Madrid, Spain; (S.I.-B.); (B.C.); (M.D.M.-d.-S.); (M.L.)
- Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, 28040 Madrid, Spain
| | - Francisco López-Muñoz
- Faculty of Health Sciences—HM Hospitals, Camilo José Cela University, Villafranca del Castillo, 28692 Madrid, Spain;
- HM Hospitals Health Research Institute, 28015 Madrid, Spain
- Neuropsychopharmacology Unit, “Hospital 12 de Octubre” Research Institute, 28041 Madrid, Spain
| | - José Marco-Contelles
- Laboratory of Medicinal Chemistry, Institute of Organic Chemistry (CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain;
- Center for Biomedical Network Research on Rare Diseases (CIBERER), Carlos III Health Institute (ISCIII), 28029 Madrid, Spain
| | - María Jesús Oset-Gasque
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, Ciudad Universitaria, 28040 Madrid, Spain; (S.I.-B.); (B.C.); (M.D.M.-d.-S.); (M.L.)
- Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, 28040 Madrid, Spain
- Instituto Universitario de Investigación en Neuroquímica, Complutense University of Madrid, Ciudad Universitaria, 28040 Madrid, Spain
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Wang J, Liu S, Cao Y, Chen Y. Overcoming treatment resistance in cholangiocarcinoma: current strategies, challenges, and prospects. Front Cell Dev Biol 2024; 12:1408852. [PMID: 39156971 PMCID: PMC11327014 DOI: 10.3389/fcell.2024.1408852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 06/26/2024] [Indexed: 08/20/2024] Open
Abstract
Significant advancements in our understanding and clinical treatment of cholangiocarcinoma (CCA) have been achieved over the past 5 years. Groundbreaking studies have illuminated the immune landscape and pathological characteristics of the tumor microenvironment in CCA. The development of immune- and metabolism-based classification systems has enabled a nuanced exploration of the tumor microenvironment and the origins of CCA, facilitating a detailed understanding of tumor progression modulation. Despite these insights, targeted therapies have not yet yielded satisfactory clinical results, highlighting the urgent need for innovative therapeutic strategies. This review delineates the complexity and heterogeneity of CCA, examines the current landscape of therapeutic strategies and clinical trials, and delves into the resistance mechanisms underlying targeted therapies. Finally, from a single-cell and spatial transcriptomic perspective, we address the challenge of therapy resistance, discussing emerging mechanisms and potential strategies to overcome this barrier and enhance treatment efficacy.
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Affiliation(s)
- Jiayi Wang
- International Medical College, Chongqing Medical University, Chongqing, China
| | - Siyan Liu
- International Medical College, Chongqing Medical University, Chongqing, China
| | - Yi Cao
- Second Clinical College, Chongqing Medical University, Chongqing, China
| | - Yong Chen
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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46
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Husain S, Leveckis R. Pharmacological regulation of HIF-1α, RGC death, and glaucoma. Curr Opin Pharmacol 2024; 77:102467. [PMID: 38896924 DOI: 10.1016/j.coph.2024.102467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 04/19/2024] [Accepted: 05/22/2024] [Indexed: 06/21/2024]
Abstract
Hypoxia can regulate oxygen-sensitive pathways that could be neuroprotective to compensate for the detrimental effects of low oxygen. However, prolonged hypoxia can activate neurodegenerative pathways. HIF-1α is upregulated/stabilized in hypoxic conditions, promoting alteration of gene expression, and ultimately leading to cell-death. Therefore, regulation of HIF-1α expression pharmacologically is a vital approach to mitigate cell death. In this review, we provide information showing the role of HIF-1α and its associated pathways in ocular retinopathies. We also discuss the beneficial roles of HIF-1α inhibitor, KC7F2, in ocular pathologies. Finally, we provided our own data demonstrating RGC neuroprotection by KC7F2 in glaucomatous animals.
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Affiliation(s)
- Shahid Husain
- Department of Ophthalmology, Storm Eye Institute, Medical University of South Carolina, Charleston, SC 29425, USA.
| | - Ryan Leveckis
- Department of Ophthalmology, Storm Eye Institute, Medical University of South Carolina, Charleston, SC 29425, USA
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47
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Kuna M, Soares MJ. Cited2 is a key regulator of placental development and plasticity. Bioessays 2024; 46:e2300118. [PMID: 38922923 PMCID: PMC11331489 DOI: 10.1002/bies.202300118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 05/31/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024]
Abstract
The biology of trophoblast cell lineage development and placentation is characterized by the involvement of several known transcription factors. Central to the action of a subset of these transcriptional regulators is CBP-p300 interacting transactivator with Glu/Asp-rich carboxy-terminal domain 2 (CITED2). CITED2 acts as a coregulator modulating transcription factor activities and affecting placental development and adaptations to physiological stressors. These actions of CITED2 on the trophoblast cell lineage and placentation are conserved across the mouse, rat, and human. Thus, aspects of CITED2 biology in hemochorial placentation can be effectively modeled in the mouse and rat. In this review, we present information on the conserved role of CITED2 in the biology of placentation and discuss the use of CITED2 as a tool to discover new insights into regulatory mechanisms controlling placental development.
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Affiliation(s)
- Marija Kuna
- Institute for Reproductive and Developmental Sciences, University of Kansas Medical Center, Kansas City, KS
- Department of Pathology & Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS
| | - Michael J. Soares
- Institute for Reproductive and Developmental Sciences, University of Kansas Medical Center, Kansas City, KS
- Department of Pathology & Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS
- Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, KS
- Center for Perinatal Research, Children’s Mercy Research Institute, Children’s Mercy, Kansas City, MO
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48
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Bologna-Molina R, Schuch L, Niklander SE. Comprehensive insights into the understanding of hypoxia in ameloblastoma. Histol Histopathol 2024; 39:983-989. [PMID: 38362601 DOI: 10.14670/hh-18-718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
Hypoxia is characterized by a disparity between supply and demand of oxygen. The association between hypoxia and head and neck tumors is a topic of significant interest. Tumors frequently encounter areas with inadequate oxygen supply, resulting in a hypoxic microenvironment. Ameloblastoma is one of the most common benign odontogenic tumors of the maxillofacial region. It is a slow-growing but locally invasive tumor with a high recurrence rate. The literature has demonstrated the correlation between hypoxia and ameloblastoma, revealing a discernible link between the heightened expression of hypoxic markers in low oxygen conditions. This association is intricately tied to the tumoral potential for invasion, progression, and malignant transformation. Hypoxia profoundly influences the molecular and cellular landscape within ameloblastic lesions. The present review sheds light on the mechanisms, implications, and emerging perspectives in understanding this intriguing association to clarify the dynamic relationship between hypoxia and ameloblastoma.
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Affiliation(s)
- Ronell Bologna-Molina
- Diagnostic in Oral Pathology and Oral Medicine Department, Faculty of Dentistry, Universidad de la República, Uruguay.
- Research Department, School of Dentistry, Universidad Juarez del Estado de Durango, Mexico
| | - Lauren Schuch
- Diagnostic in Oral Pathology and Oral Medicine Department, Faculty of Dentistry, Universidad de la República, Uruguay
| | - Sven Eric Niklander
- Unit of Oral Pathology and Oral Medicine, Faculty of Dentistry, Universidad Andres Bello, Viña del Mar, Chile
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49
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Yang YH, Yan F, Shi PS, Yang LC, Cui DJ. HIF-1α Pathway Orchestration by LCN2: A Key Player in Hypoxia-Mediated Colitis Exacerbation. Inflammation 2024; 47:1491-1519. [PMID: 38819583 DOI: 10.1007/s10753-024-01990-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/19/2024] [Accepted: 02/09/2024] [Indexed: 06/01/2024]
Abstract
In this study, we investigated the role of hypoxia in the development of chronic inflammatory bowel disease (IBD), focusing on its impact on the HIF-1α signaling pathway through the upregulation of lipocalin 2 (LCN2). Using a murine model of colitis induced by sodium dextran sulfate (DSS) under hypoxic conditions, transcriptome sequencing revealed LCN2 as a key gene involved in hypoxia-mediated exacerbation of colitis. Bioinformatics analysis highlighted the involvement of crucial pathways, including HIF-1α and glycolysis, in the inflammatory process. Immune infiltration analysis demonstrated the polarization of M1 macrophages in response to hypoxic stimulation. In vitro studies using RAW264.7 cells further elucidated the exacerbation of inflammation and its impact on M1 macrophage polarization under hypoxic conditions. LCN2 knockout cells reversed hypoxia-induced inflammatory responses, and the HIF-1α pathway activator dimethyloxaloylglycine (DMOG) confirmed LCN2's role in mediating inflammation via the HIF-1α-induced glycolysis pathway. In a DSS-induced colitis mouse model, oral administration of LCN2-silencing lentivirus and DMOG under hypoxic conditions validated the exacerbation of colitis. Evaluation of colonic tissues revealed altered macrophage polarization, increased levels of inflammatory factors, and activation of the HIF-1α and glycolysis pathways. In conclusion, our findings suggest that hypoxia exacerbates colitis by modulating the HIF-1α pathway through LCN2, influencing M1 macrophage polarization in glycolysis. This study contributes to a better understanding of the mechanisms underlying IBD, providing potential therapeutic targets for intervention.
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Affiliation(s)
- Yun-Han Yang
- Department of Gastroenterology, Guizhou Inflammatory Bowel Disease Research Center, National Institution of Drug Clinical Trial, Guizhou Provincial People's Hospital, Medical College of Guizhou University, No.83 Zhongshan East Road, Guiyang, 550002, Guizhou Province, China
| | - Fang Yan
- Department of Gastroenterology, Guizhou Inflammatory Bowel Disease Research Center, National Institution of Drug Clinical Trial, Guizhou Provincial People's Hospital, Medical College of Guizhou University, No.83 Zhongshan East Road, Guiyang, 550002, Guizhou Province, China
| | - Peng-Shuang Shi
- Department of Gastroenterology, Guizhou Inflammatory Bowel Disease Research Center, National Institution of Drug Clinical Trial, Guizhou Provincial People's Hospital, Medical College of Guizhou University, No.83 Zhongshan East Road, Guiyang, 550002, Guizhou Province, China
| | - Liu-Chan Yang
- Department of Gastroenterology, Guizhou Inflammatory Bowel Disease Research Center, National Institution of Drug Clinical Trial, Guizhou Provincial People's Hospital, Medical College of Guizhou University, No.83 Zhongshan East Road, Guiyang, 550002, Guizhou Province, China
| | - De-Jun Cui
- Department of Gastroenterology, Guizhou Inflammatory Bowel Disease Research Center, National Institution of Drug Clinical Trial, Guizhou Provincial People's Hospital, Medical College of Guizhou University, No.83 Zhongshan East Road, Guiyang, 550002, Guizhou Province, China.
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50
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Alimohammadi M, Rahimzadeh P, Khorrami R, Bonyadi M, Daneshi S, Nabavi N, Raesi R, Farani MR, Dehkhoda F, Taheriazam A, Hashemi M. A comprehensive review of the PTEN/PI3K/Akt axis in multiple myeloma: From molecular interactions to potential therapeutic targets. Pathol Res Pract 2024; 260:155401. [PMID: 38936094 DOI: 10.1016/j.prp.2024.155401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 06/02/2024] [Accepted: 06/09/2024] [Indexed: 06/29/2024]
Abstract
Phosphatase and tensin homolog (PTEN), phosphatidylinositol 3-kinase (PI3K), and protein kinase B (Akt) signaling pathways contribute to the development of several cancers, including multiple myeloma (MM). PTEN is a tumor suppressor that influences the PI3K/Akt/mTOR pathway, which in turn impacts vital cellular processes like growth, survival, and treatment resistance. The current study aims to present the role of PTEN and PI3K/Akt/mTOR signaling in the development of MM and its response to treatment. In addition, the molecular interactions in MM that underpin the PI3K/Akt/mTOR pathway and address potential implications for the development of successful treatment plans are also discussed in detail. We investigate their relationship to both upstream and downstream regulators, highlighting new developments in combined therapies that target the PTEN/PI3K/Akt axis to overcome drug resistance, including the use of PI3K and mitogen-activated protein kinase (MAPK) inhibitors. We also emphasize that PTEN/PI3K/Akt pathway elements may be used in MM diagnosis, prognosis, and therapeutic targets.
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Affiliation(s)
- Mina Alimohammadi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran.
| | - Payman Rahimzadeh
- Surgical Research Society (SRS), Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramin Khorrami
- Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Islamic Republic of Iran
| | - Mojtaba Bonyadi
- Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Islamic Republic of Iran
| | - Salman Daneshi
- Department of Public Health, School of Health, Jiroft University of Medical Sciences, Jiroft, Islamic Republic of Iran
| | - Noushin Nabavi
- Independent Researcher, Victoria, British Columbia V8V 1P7, Canada
| | - Rasoul Raesi
- Department of Health Services Management, Mashhad University of Medical Sciences, Mashhad, Islamic Republic of Iran; Department of Nursing, Torbat Jam Faculty of Medical Sciences, Torbat Jam, Iran
| | - Marzieh Ramezani Farani
- NanoBio High-Tech Materials Research Center, Department of Biological Sciences and Bioengineering, Inha University, 100 Inha-ro, Incheon 22212, Republic of Korea
| | - Farshid Dehkhoda
- Department of Orthopedics, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran.
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Islamic Republic of Iran; Department of Orthopedics, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Islamic Republic of Iran.
| | - Mehrdad Hashemi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Islamic Republic of Iran; Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Islamic Republic of Iran.
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