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Wu X, Wang F, Yang X, Gong Y, Niu T, Chu B, Qu Y, Qian Z. Advances in Drug Delivery Systems for the Treatment of Acute Myeloid Leukemia. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403409. [PMID: 38934349 DOI: 10.1002/smll.202403409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 06/06/2024] [Indexed: 06/28/2024]
Abstract
Acute myeloid leukemia (AML) is a common and catastrophic hematological neoplasm with high mortality rates. Conventional therapies, including chemotherapy, hematopoietic stem cell transplantation (HSCT), immune therapy, and targeted agents, have unsatisfactory outcomes for AML patients due to drug toxicity, off-target effects, drug resistance, drug side effects, and AML relapse and refractoriness. These intrinsic limitations of current treatments have promoted the development and application of nanomedicine for more effective and safer leukemia therapy. In this review, the classification of nanoparticles applied in AML therapy, including liposomes, polymersomes, micelles, dendrimers, and inorganic nanoparticles, is reviewed. In addition, various strategies for enhancing therapeutic targetability in nanomedicine, including the use of conjugating ligands, biomimetic-nanotechnology, and bone marrow targeting, which indicates the potential to reverse drug resistance, are discussed. The application of nanomedicine for assisting immunotherapy is also involved. Finally, the advantages and possible challenges of nanomedicine for the transition from the preclinical phase to the clinical phase are discussed.
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Affiliation(s)
- Xia Wu
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Fangfang Wang
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Xijing Yang
- The Experimental Animal Center of West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Yuping Gong
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Ting Niu
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Bingyang Chu
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Ying Qu
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Zhiyong Qian
- Department of Hematology and Institute of Hematology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
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Hill SL, Rogan PK, Wang YX, Knoll JHM. Differentially accessible, single copy sequences form contiguous domains along metaphase chromosomes that are conserved among multiple tissues. Mol Cytogenet 2021; 14:49. [PMID: 34670606 PMCID: PMC8527651 DOI: 10.1186/s13039-021-00567-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 09/08/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND During mitosis, chromatin engages in a dynamic cycle of condensation and decondensation. Condensation into distinct units to ensure high fidelity segregation is followed by rapid and reproducible decondensation to produce functional daughter cells. Factors contributing to the reproducibility of chromatin structure between cell generations are not well understood. We investigated local metaphase chromosome condensation along mitotic chromosomes within genomic intervals showing differential accessibility (DA) between homologs. DA was originally identified using short sequence-defined single copy (sc) DNA probes of < 5 kb in length by fluorescence in situ hybridization (scFISH) in peripheral lymphocytes. These structural differences between metaphase homologs are non-random, stable, and heritable epigenetic marks which have led to the proposed function of DA as a marker of chromatin memory. Here, we characterize the organization of DA intervals into chromosomal domains by identifying multiple DA loci in close proximity to each other and examine the conservation of DA between tissues. RESULTS We evaluated multiple adjacent scFISH probes at 6 different DA loci from chromosomal regions 2p23, 3p24, 12p12, 15q22, 15q24 and 20q13 within peripheral blood T-lymphocytes. DA was organized within domains that extend beyond the defined boundaries of individual scFISH probes. Based on hybridizations of 2 to 4 scFISH probes per domain, domains ranged in length from 16.0 kb to 129.6 kb. Transcriptionally inert chromosomal DA regions in T-lymphocytes also demonstrated conservation of DA in bone marrow and fibroblast cells. CONCLUSIONS We identified novel chromosomal regions with allelic differences in metaphase chromosome accessibility and demonstrated that these accessibility differences appear to be aggregated into contiguous domains extending beyond individual scFISH probes. These domains are encompassed by previously established topologically associated domain (TAD) boundaries. DA appears to be a conserved feature of human metaphase chromosomes across different stages of lymphocyte differentiation and germ cell origin, consistent with its proposed role in maintenance of intergenerational cellular chromosome memory.
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Affiliation(s)
- Seana L Hill
- Department of Pathology & Laboratory Medicine, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Canada
| | - Peter K Rogan
- Departments of Biochemistry and Oncology, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Canada
- Cytognomix Inc., London, ON, Canada
| | - Yi Xuan Wang
- Department of Pathology & Laboratory Medicine, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Canada
| | - Joan H M Knoll
- Department of Pathology & Laboratory Medicine, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Canada.
- Cytognomix Inc., London, ON, Canada.
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Huang YH, Peng W, Furuuchi N, Gerhart J, Rhodes K, Mukherjee N, Jimbo M, Gonye GE, Brody JR, Getts RC, Sawicki JA. Delivery of Therapeutics Targeting the mRNA-Binding Protein HuR Using 3DNA Nanocarriers Suppresses Ovarian Tumor Growth. Cancer Res 2016; 76:1549-59. [PMID: 26921342 DOI: 10.1158/0008-5472.can-15-2073] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Accepted: 01/08/2016] [Indexed: 11/16/2022]
Abstract
Growing evidence shows that cancer cells use mRNA-binding proteins and miRNAs to posttranscriptionally regulate signaling pathways to adapt to harsh tumor microenvironments. In ovarian cancer, cytoplasmic accumulation of mRNA-binding protein HuR (ELAVL1) is associated with poor prognosis. In this study, we observed high HuR expression in ovarian cancer cells compared with ovarian primary cells, providing a rationale for targeting HuR. RNAi-mediated silencing of HuR in ovarian cancer cells significantly decreased cell proliferation and anchorage-independent growth, and impaired migration and invasion. In addition, HuR-depleted human ovarian xenografts were smaller than control tumors. A biodistribution study showed effective tumor-targeting by a novel Cy3-labeled folic acid (FA)-derivatized DNA dendrimer nanocarrier (3DNA). We combined siRNAs against HuR with FA-3DNA and found that systemic administration of the resultant FA-3DNA-siHuR conjugates to ovarian tumor-bearing mice suppressed tumor growth and ascites development, significantly prolonging lifespan. NanoString gene expression analysis identified multiple HuR-regulated genes that function in many essential cellular and molecular pathways, an attractive feature of candidate therapeutic targets. Taken together, these results are the first to demonstrate the versatility of the 3DNA nanocarrier for in vivo-targeted delivery of a cancer therapeutic and support further preclinical investigation of this system adapted to siHuR-targeted therapy for ovarian cancer.
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Affiliation(s)
- Yu-Hung Huang
- Lankenau Institute for Medical Research, Wynnewood, Pennsylvania. Department of Biochemistry and Molecular Biology, Drexel University College of Medicine, Philadelphia, Pennsylvania
| | - Weidan Peng
- Lankenau Institute for Medical Research, Wynnewood, Pennsylvania
| | - Narumi Furuuchi
- Lankenau Institute for Medical Research, Wynnewood, Pennsylvania
| | | | | | - Neelanjan Mukherjee
- Berlin Institute for Medical Systems Biology, Max Delbrück Center for Molecular Medicine, Berlin, Germany
| | - Masaya Jimbo
- Department of Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania
| | | | - Jonathan R Brody
- Department of Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania
| | | | - Janet A Sawicki
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine, Philadelphia, Pennsylvania. Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania.
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Zhang WI, Röhse H, Rizzoli SO, Opazo F. Fluorescent in situ hybridization of synaptic proteins imaged with super-resolution STED microscopy. Microsc Res Tech 2014; 77:517-27. [DOI: 10.1002/jemt.22367] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Revised: 01/17/2014] [Accepted: 03/27/2014] [Indexed: 11/06/2022]
Affiliation(s)
- William I. Zhang
- Department of Neuro- and Sensory Physiology; University of Göttingen; Göttingen Germany
- STED Microscopy of Synaptic Function; European Neuroscience Institute; Göttingen Germany
- Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB); University of Göttingen; Göttingen Germany
| | - Heiko Röhse
- STED Microscopy of Synaptic Function; European Neuroscience Institute; Göttingen Germany
| | - Silvio O. Rizzoli
- Department of Neuro- and Sensory Physiology; University of Göttingen; Göttingen Germany
- STED Microscopy of Synaptic Function; European Neuroscience Institute; Göttingen Germany
- Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB); University of Göttingen; Göttingen Germany
| | - Felipe Opazo
- Department of Neuro- and Sensory Physiology; University of Göttingen; Göttingen Germany
- STED Microscopy of Synaptic Function; European Neuroscience Institute; Göttingen Germany
- Cluster of Excellence Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB); University of Göttingen; Göttingen Germany
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Seleverstov O, Phang JM, Zabirnyk O. Semiconductor nanocrystals in autophagy research: methodology improvement at nanosized scale. Methods Enzymol 2009; 452:277-96. [PMID: 19200889 DOI: 10.1016/s0076-6879(08)03618-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
Our recent findings establish a functional link between foreign nanosized bodies and autophagy. We find that nanoparticles (NP) within a certain size range act as potent autophagy activators, and that autophagic flux is an underlying physiological process of the cellular clearance of the NP. Therefore, NP may be used to study and to monitor autophagy. We provide a detailed description of laboratory protocols designed for studying NP-mediated autophagy. In addition, we review available methods of nanotechnology, which may benefit autophagy research.
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Affiliation(s)
- Oleksandr Seleverstov
- Department of Animal Science, College of Agriculture, University of Wyoming, Laramie, Wyoming, USA
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Knoll JHM, Lichter P, Bakdounes K, Eltoum IEA. In situ hybridization and detection using nonisotopic probes. ACTA ACUST UNITED AC 2008; Chapter 14:Unit 14.7. [PMID: 18265392 DOI: 10.1002/0471142727.mb1407s79] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Nonisotopic in situ hybridization can be used to determine the cellular location and relative levels of expression for specific transcripts within cells and tissues. RNA in specimen preparations is hybridized with a biotin- or digoxigenin-labeled probe, which is generally detected by fluorescence or enzymatic methods. Fluorescence in situ hybridization (FISH), probably the most widely used method, is described here, along with amplification of weak FISH signals. Nonisotopic probes can also be detected by enzymatic reactions using horseradish peroxidase or alkaline phosphatase, as described here.
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Minko T, Khandare JJ, Vetcher AA, Soldatenkov VA, Garbuzenko OB, Saad M, Pozharov VP. Multifunctional Nanotherapeutics for Cancer. MULTIFUNCTIONAL PHARMACEUTICAL NANOCARRIERS 2008. [DOI: 10.1007/978-0-387-76554-9_10] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/08/2022]
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