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Cho H, Moo Huh K, Suk Shim M, Cho YY, Young Lee J, Suk Lee H, Jik Kwon Y, Chang Kang H. Selective delivery of imaging probes and therapeutics to the endoplasmic reticulum or Golgi apparatus: Current strategies and beyond. Adv Drug Deliv Rev 2024:115386. [PMID: 38971180 DOI: 10.1016/j.addr.2024.115386] [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: 05/01/2024] [Revised: 06/14/2024] [Accepted: 07/01/2024] [Indexed: 07/08/2024]
Abstract
To maximize therapeutic effects and minimize unwanted effects, the interest in drug targeting to the endoplasmic reticulum (ER) or Golgi apparatus (GA) has been recently growing because two organelles are distributing hubs of cellular building/signaling components (e.g., proteins, lipids, Ca2+) to other organelles and the plasma membrane. Their structural or functional damages induce organelle stress (i.e., ER or GA stress), and their aggravation is strongly related to diseases (e.g., cancers, liver diseases, brain diseases). Many efforts have been developed to image (patho)physiological functions (e.g., oxidative stress, protein/lipid-related processing) and characteristics (e.g., pH, temperature, biothiols, reactive oxygen species) in the target organelles and to deliver drugs for organelle disruption using organelle-targeting moieties. Therefore, this review will overview the structure, (patho)physiological functions/characteristics, and related diseases of the organelles of interest. Future direction on ER or GA targeting will be discussed by understanding current strategies and investigations on targeting, imaging/sensing, and therapeutic strategies.
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Affiliation(s)
- Hana Cho
- Department of Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Kang Moo Huh
- Department of Polymer Science and Engineering & Materials Science and Engineering, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Min Suk Shim
- Division of Bioengineering, Incheon National University, Incheon 22012, Republic of Korea
| | - Yong-Yeon Cho
- Department of Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea; Regulated Cell Death (RCD) Control‧Material Research Institute, The Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Joo Young Lee
- Department of Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea; Regulated Cell Death (RCD) Control‧Material Research Institute, The Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Hye Suk Lee
- Department of Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea; Regulated Cell Death (RCD) Control‧Material Research Institute, The Catholic University of Korea, Bucheon 14662, Republic of Korea
| | - Young Jik Kwon
- Department of Pharmaceutical Sciences, University of California, Irvine, CA 92697, USA
| | - Han Chang Kang
- Department of Pharmacy, College of Pharmacy, The Catholic University of Korea, Bucheon 14662, Republic of Korea; Regulated Cell Death (RCD) Control‧Material Research Institute, The Catholic University of Korea, Bucheon 14662, Republic of Korea.
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Biochemical pathways of copper complexes: progress over the past 5 years. Drug Discov Today 2021; 26:1086-1096. [PMID: 33486113 DOI: 10.1016/j.drudis.2021.01.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 01/06/2021] [Accepted: 01/12/2021] [Indexed: 12/21/2022]
Abstract
Copper is an essential trace element with vital roles in many metalloenzymes; it is also prominent among nonplatinum anticancer metallodrugs. Copper-based complexes are endogenously biocompatible, tenfold more potent than cisplatin, exhibit fewer adverse effects, and have a wide therapeutic window. In cancer biology, copper acts as an antitumor agent by inhibiting cancer via multiple pathways. Herein, we present an overview of advances in copper complexes as 'lead' antitumor drug candidates, and in understanding their biochemical and pharmacological pathways over the past 5 years. This review will help to develop more efficacious therapeutics to improve clinical outcomes for cancer treatments.
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Pokkunuri ID, Lokhandwala MF, Banday AA. Protein disulfide isomerase inhibition impairs Keap1/Nrf2 signaling and mitochondrial function and induces apoptosis in renal proximal tubular cells. Am J Physiol Renal Physiol 2020; 319:F686-F696. [PMID: 32830535 DOI: 10.1152/ajprenal.00049.2020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Renal proximal tubular apoptosis plays a critical role in kidney health and disease. However, cellular molecules that trigger renal apoptosis remain elusive. Here, we evaluated the effect of inhibiting protein disulfide isomerase (PDI), a critical thioredoxin chaperone protein, on apoptosis as well as the underlying mechanisms in human renal proximal tubular (HK2) cells. HK2 cells were transfected with PDI-specific siRNA in the absence and presence of an antioxidant, tempol. PDI siRNA transfection resulted in a decrease of ~70% in PDI protein expression and enzyme activity. PDI inhibition increased caspase-3 activity and induced profound cell apoptosis. Mitochondrial function, as assessed by mitochondrial cytochrome c levels, mitochondrial membrane potential, oxygen consumption, and ATP levels, was significantly reduced in PDI-inhibited cells. Also, PDI inhibition caused nuclear factor erythroid 2-related factor 2 (Nrf2; a redox-sensitive transcription factor) cytoplasmic sequestration, decreased superoxide dismutase and glutathione-S-transferase activities, and increased oxidative stress. In PDI-inhibited cells, tempol reduced apoptosis, caspase-3 activity, and oxidative stress and also restored Nrf2 nuclear translocation and mitochondrial function. Silencing Nrf2 in the cells abrogated the beneficial effect of tempol, whereas Kelch-like ECH-associated protein 1 (an Nrf2 regulatory protein) silencing protected cells from PDI inhibitory effects. Collectively, our data indicate that PDI inhibition diminishes Nrf2 nuclear translocation, causing oxidative stress that further triggers mitochondrial dysfunction and renal cell apoptosis. This study suggests an important role for PDI in renal cell apoptosis involving Nrf2 and mitochondrial dysfunction.
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Affiliation(s)
- Indira D Pokkunuri
- Heart and Kidney Institute, College of Pharmacy, University of Houston, Houston, Texas
| | - Mustafa F Lokhandwala
- Heart and Kidney Institute, College of Pharmacy, University of Houston, Houston, Texas
| | - Anees Ahmad Banday
- Heart and Kidney Institute, College of Pharmacy, University of Houston, Houston, Texas
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Tandon A, Birkenhagen J, Nagalla D, Kölker S, Sauer SW. ADP-dependent glucokinase as a novel onco-target for haematological malignancies. Sci Rep 2020; 10:13584. [PMID: 32788680 PMCID: PMC7423609 DOI: 10.1038/s41598-020-70014-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 07/06/2020] [Indexed: 11/22/2022] Open
Abstract
Warburg effect or aerobic glycolysis provides selective growth advantage to aggressive cancers. However, targeting oncogenic regulators of Warburg effect has always been challenging owing to the wide spectrum of roles of these molecules in multitude of cells. In this study, we present ADP-dependent glucokinase (ADPGK) as a novel glucose sensor and a potential onco-target in specifically high-proliferating cells in Burkitt’s lymphoma (BL). Previously, we had shown ADPGK to play a major role in T-cell activation and induction of Warburg effect. We now report ADPGK knock-out Ramos BL cells display abated in vitro and in vivo tumour aggressiveness, via tumour-macrophage co-culture, migration and Zebrafish xenograft studies. We observed perturbed glycolysis and visibly reduced markers of Warburg effect in ADPGK knock-out cells, finally leading to apoptosis. We found repression of MYC proto-oncogene, and up to four-fold reduction in accumulated mutations in translocated MYC in knock-out cells, signifying a successful targeting of the malignancy. Further, the activation induced differentiation capability of knock-out cells was impaired, owing to the inability to cope up with increased energy demands. The effects amplified greatly upon stimulation-based proliferation, thus providing a novel Burkitt’s lymphoma targeting mechanism originating from metabolic catastrophe induced in the cells by removal of ADPGK.
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Affiliation(s)
- Amol Tandon
- Division of Child Neurology and Metabolic Diseases, University Children's Hospital Heidelberg, Im Neuenheimer Feld 430, 69120, Heidelberg, Germany. .,Department of Biochemistry and Molecular Genetics, University of Alabama at Birmingham, Birmingham, AL, 35233, USA.
| | - Jana Birkenhagen
- Division of Child Neurology and Metabolic Diseases, University Children's Hospital Heidelberg, Im Neuenheimer Feld 430, 69120, Heidelberg, Germany
| | - Deepthi Nagalla
- German Cancer Research Center (DKFZ), 69120, Heidelberg, Germany
| | - Stefan Kölker
- Division of Child Neurology and Metabolic Diseases, University Children's Hospital Heidelberg, Im Neuenheimer Feld 430, 69120, Heidelberg, Germany
| | - Sven Wolfgang Sauer
- Division of Child Neurology and Metabolic Diseases, University Children's Hospital Heidelberg, Im Neuenheimer Feld 430, 69120, Heidelberg, Germany
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Thankam FG, Chandra I, Diaz C, Dilisio MF, Fleegel J, Gross RM, Agrawal DK. Matrix regeneration proteins in the hypoxia-triggered exosomes of shoulder tenocytes and adipose-derived mesenchymal stem cells. Mol Cell Biochem 2019; 465:75-87. [PMID: 31797254 DOI: 10.1007/s11010-019-03669-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 11/30/2019] [Indexed: 12/14/2022]
Abstract
Regenerative functions of exosomes rely on their contents which are influenced by pathological stimuli, including hypoxia, in rotator cuff tendon injuries (RCTI). The hypoxic environment triggers tenocytes and adjacent adipose-derived mesenchymal stem cells (ADMSCs) to release regenerative mediators to the ECM via the exosomes which elicit autocrine/paracrine responses to protect the tendon matrix from injury. We investigated the exosomal protein contents from tenocytes and subcutaneous ADMSCs from the shoulder of Yucatan microswine cultured under hypoxic conditions (2% O2). The exosomal proteins were detected using high-resolution mass spectrometry nano-LC-MS/MS Tribrid system and were compiled using 'Scaffold' software. Hypoxic exosomes from tenocytes and ADMSCs carried 199 and 65 proteins, respectively. The key proteins identified by mass spectrometry and associated with ECM homeostasis from hypoxic ADMSCs included MMP2, COL6A, CTSD and TN-C and those from hypoxic tenocytes were THSB1, NSEP1, ITIH4 and TN-C. These findings were confirmed at the mRNA and protein level in the hypoxic ADMSCs and tenocytes. These proteins are involved in multiple signaling pathways of ECM repair/regeneration. This warrants further investigations for their translational significance in the management of RCTI.
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Affiliation(s)
- Finosh G Thankam
- Department of Translational Research, Western University of Health Sciences, 309 E. Second Street, Pomona, CA, 91766-1854, USA
| | - Isaiah Chandra
- Departments of Clinical & Translational Science and Orthopedic Surgery, Creighton University School of Medicine, Omaha, NE, 68178, USA
| | - Connor Diaz
- Departments of Clinical & Translational Science and Orthopedic Surgery, Creighton University School of Medicine, Omaha, NE, 68178, USA
| | - Matthew F Dilisio
- Departments of Clinical & Translational Science and Orthopedic Surgery, Creighton University School of Medicine, Omaha, NE, 68178, USA
| | - Jonathan Fleegel
- Departments of Clinical & Translational Science and Orthopedic Surgery, Creighton University School of Medicine, Omaha, NE, 68178, USA
| | - R Michael Gross
- Departments of Clinical & Translational Science and Orthopedic Surgery, Creighton University School of Medicine, Omaha, NE, 68178, USA
| | - Devendra K Agrawal
- Department of Translational Research, Western University of Health Sciences, 309 E. Second Street, Pomona, CA, 91766-1854, USA.
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Wang B, Pan X, Jia J, Xiong W, Manirafasha E, Ling X, Yinghua L. Strategy and regulatory mechanisms of glutamate feeding to enhance astaxanthin yield in Xanthophyllomyces dendrorhous. Enzyme Microb Technol 2019; 125:45-52. [DOI: 10.1016/j.enzmictec.2019.02.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 01/31/2019] [Accepted: 02/27/2019] [Indexed: 01/05/2023]
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