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Arora S, Nagpal R, Gusain M, Singh B, Pan Y, Yadav D, Ahmed I, Kumar V, Parshad B. Organic-Inorganic Porphyrinoid Frameworks for Biomolecule Sensing. ACS Sens 2023; 8:443-464. [PMID: 36683281 DOI: 10.1021/acssensors.2c02408] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Porphyrinoids and their analogous compounds play an important role in biosensing applications on account of their unique and versatile catalytic, coordination, photophysical, and electrochemical properties. Their remarkable arrays of properties can be finely tuned by synthetically modifying the porphyrinoid ring and varying the various structural parameters such as peripheral functionalization, metal coordination, and covalent or physical conjugation with other organic or inorganic scaffolds such as nanoparticles, metal-organic frameworks, and polymers. Porphyrinoids and their organic-inorganic conjugates are not only used as responsive materials but also utilized for the immobilization and embedding of biomolecules for applications in wearable devices, fast sensing devices, and other functional materials. The present review delineates the impact of different porphyrinoid conjugates on their physicochemical properties and their specificity as biosensors in a range of applications. The newest porphyrinoid types and their synthesis, modification, and functionalization are presented along with their advantages and performance improvements.
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Affiliation(s)
- Smriti Arora
- Institut für Chemie und Biochemie Organische Chemie, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany
| | - Ritika Nagpal
- Department of Chemistry, SRM University, 39, Rajiv Gandhi Education City, Delhi-NCR, Sonipat, Haryana 131029, India
| | - Meenakshi Gusain
- Centre of Micro-Nano System, School of Information Science and Technology, Fudan University, 200433 Shanghai, China
| | | | - Yuanwei Pan
- Department of Diagnostic Radiology, Department of Chemical and Biomolecular Engineering, and Department of Biomedical Engineering, Yong Loo Lin School of Medicine and Faculty of Engineering, National University of Singapore, Singapore 119074, Singapore
| | - Deepak Yadav
- Department of Chemistry, Gurugram University, Gurugram, Haryana 122003, India
| | - Ishtiaq Ahmed
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB3 0AS, U.K
| | - Vinod Kumar
- Department of Chemistry, Central University of Haryana, Mahendergarh, Haryana 123031, India
| | - Badri Parshad
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge CB3 0AS, U.K
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The expression of tumour suppressors and proto-oncogenes in tissues susceptible to their hereditary cancers. Br J Cancer 2015; 113:345-53. [PMID: 26079304 PMCID: PMC4506389 DOI: 10.1038/bjc.2015.205] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2014] [Revised: 03/05/2014] [Accepted: 05/15/2015] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Studies of familial cancers have found that only a small subset of tissues are affected by inherited mutations in a given tumour suppressor gene (TSG) or proto-oncogene (POG), even though the mutation is present in all tissues. Previous tests have shown that tissue specificity is not due to the presence vs absence of gene expression, as TSGs and POGs are expressed in nearly every type of normal human tissue. Using published microarray expression data we tested the related hypothesis that tissue-specific expression of a TSG or POG is highest in tissue where it is of oncogenic importance. METHODS We tested this hypothesis by examining whether individual TSGs and POGs had higher expression in the normal (noncancerous) tissues where they are implicated in familial cancers relative to those tissues where they are not. We examined data for 15 TSGs and 8 POGs implicated in familial cancer across 12 human tissue types. RESULTS We found a significant difference between expression levels in susceptible vs nonsusceptible tissues. It was found that 9 (60%, P<0.001) of the TSGs and 5 (63%, P<0.001) of the POGs had their highest expression level in the tissue type susceptible to their oncogenic effect. CONCLUSIONS This highly significant association supports the hypothesis that mutation of a specific TSG or POG is likely to be most oncogenic in the tissue where the gene has its highest level of expression. This suggests that high expression in normal tissues is a potential marker for linking cancer-related genes with their susceptible tissues.
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Dehner LP, Messinger YH, Schultz KAP, Williams GM, Wikenheiser-Brokamp K, Hill DA. Pleuropulmonary Blastoma: Evolution of an Entity as an Entry into a Familial Tumor Predisposition Syndrome. Pediatr Dev Pathol 2015; 18:504-11. [PMID: 26698637 PMCID: PMC9743680 DOI: 10.2350/15-10-1732-oa.1] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Pleuropulmonary blastoma (PPB) is the most common primary malignant neoplasm of the lung in children. Like other solid dysontogenic neoplasms, this tumor typically presents before 7 years of age. The earliest manifestation is the presence of a lung cyst(s), which is usually recognized in the first year of life and is difficult to differentiate on the basis of imaging studies from non-neoplastic cysts of early childhood. From a multilocular cyst, PPB has the potential to progress to a high-grade multipatterned primitive sarcoma. More than 65% of all affected children have a heterozygous germline mutation in DICER1. The DICER1 PPB familial tumor predisposition syndrome is initially recognized in most cases on the basis of PPB alone but also by several other unique and characteristic extrapulmonary tumors, including pediatric cystic nephroma, nasal chondromesenchymal hamartoma, nodular lesions of the thyroid, embryonal rhabdomyosarcoma of the cervix, and ciliary body medulloepithelioma.
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Affiliation(s)
- Louis P. Dehner
- International Pleuropulmonary Blastoma Registry. Children’s Hospital and Clinics of Minnesota, Minneapolis, Minnesota;,Lauren V. Ackerman Laboratory of Surgical Pathology, Barnes-Jewish and St. Louis Children’s Hospitals, Washington University Medical Center, St. Louis, Missouri
| | - Yoav H. Messinger
- International Pleuropulmonary Blastoma Registry. Children’s Hospital and Clinics of Minnesota, Minneapolis, Minnesota
| | - Kris Ann P. Schultz
- International Pleuropulmonary Blastoma Registry. Children’s Hospital and Clinics of Minnesota, Minneapolis, Minnesota
| | - Gretchen M. Williams
- International Pleuropulmonary Blastoma Registry. Children’s Hospital and Clinics of Minnesota, Minneapolis, Minnesota
| | - Kathryn Wikenheiser-Brokamp
- International Pleuropulmonary Blastoma Registry. Children’s Hospital and Clinics of Minnesota, Minneapolis, Minnesota;,Division of Pathology and Pulmonary Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, and Department of Pathology, University of Cincinnati College of Medicine
| | - D. Ashley Hill
- International Pleuropulmonary Blastoma Registry. Children’s Hospital and Clinics of Minnesota, Minneapolis, Minnesota;,Division of Pathology, Children’s National Medical Center, Washington, District of Columbia
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Electrocatalytic miRNA detection using cobalt porphyrin-modified reduced graphene oxide. SENSORS 2014; 14:9984-94. [PMID: 24915180 PMCID: PMC4118385 DOI: 10.3390/s140609984] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Revised: 05/08/2014] [Accepted: 05/30/2014] [Indexed: 11/23/2022]
Abstract
Metalated porphyrins have been described to bind nucleic acids. Additionally, cobalt porphyrins present catalytic properties towards oxygen reduction. In this work, a carboxylic acid-functionalized cobalt porphyrin was physisorbed on reduced graphene oxide, then immobilized on glassy carbon electrodes. The carboxylic groups were used to covalently graft amino-terminated oligonucleotide probes which are complementary to a short microRNA target. It was shown that the catalytic oxygen electroreduction on cobalt porphyrin increases upon hybridization of miRNA strand (“signal-on” response). Current changes are amplified compared to non-catalytic amperometric system. Apart from oxygen, no added reagent is necessary. A limit of detection in the sub-nanomolar range was reached. This approach has never been described in the literature.
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Wen XD, Wen DG, Yang Y, Shan BE, Wang SJ. Earlier onset and multiple primaries in familial as opposed to sporadic esophageal cancer. World J Med Genet 2014; 4:39-45. [DOI: 10.5496/wjmg.v4.i2.39] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Revised: 09/29/2013] [Accepted: 11/16/2013] [Indexed: 02/06/2023] Open
Abstract
AIM: To study the differences in onset age and multiple primary cancers between familial and sporadic esophageal squamous cell carcinoma (ESCC).
METHODS: The differences in onset age and multiple primary cancers were analyzed between ESCC patients with (n = 766) and without (n = 1776) a family history of the cancer. The cases analyzed constituted all consecutive patients who had undergone cure-intent surgery at the Department of Thoracic Surgery of the 4th Hospital of Hebei Medical University from January 1 1975 to December 31 1989. Because we also originally aimed to examine the difference in survival time, only older subjects with a long follow-up period were selected.
RESULTS: Overall, patients with ESCC and a positive family history of the cancer had a significantly younger age at onset and more multiple primary cancers than those without a positive family history (51.83 ± 8.39 vs 53.49 ± 8.23 years old, P = 0.000; 5.50% vs 1.70%, P = 0.000). Both of these differences were evident in subgroup analyses, however, no correlations were observed. While age at onset differed significantly by family history in males, smokers, and drinkers, the difference in multiple primary cancers by family history was significant in nonsmoking, nondrinking, and younger onset patients. In multivariate analysis, age over 50 years, tobacco smoking, and multiple primary cancers were found to be significant predictors of familial cancer: the corresponding OR (95%CI) and P-value were 0.974 (0.963-0.985) and 0.000; 1.271 (1.053-1.535) and 0.012; and 4.265 (2.535-7.176) and 0.000, respectively.
CONCLUSION: Patients with ESCC and a positive family history of the cancer had a significantly younger onset age and more multiple primary cancers than those without a positive family history. Sub-group analyses indicated that younger onset age may be due to the interaction of genetic predisposition and environmental hazards, and multiple primary cancers may only be due to genetic predisposition.
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Beck JL, Urathamakul T, Watt SJ, Sheil MM, Schaeffer PM, Dixon NE. Proteomic dissection of DNA polymerization. Expert Rev Proteomics 2014; 3:197-211. [PMID: 16608433 DOI: 10.1586/14789450.3.2.197] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
DNA polymerases replicate the genome by associating with a range of other proteins that enable rapid, high-fidelity copying of DNA. This complex of proteins and nucleic acids is termed the replisome. Proteins of the replisome must interact with other networks of proteins, such as those involved in DNA repair. Many of the proteins involved in DNA polymerization and the accessory proteins are known, but the array of proteins they interact with, and the spatial and temporal arrangement of these interactions, are current research topics. Mass spectrometry is a technique that can be used to identify the sites of these interactions and to determine the precise stoichiometries of binding partners in a functional complex. A complete understanding of the macromolecular interactions involved in DNA replication and repair may lead to discovery of new targets for antibiotics against bacteria and biomarkers for diagnosis of diseases, such as cancer, in humans.
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Affiliation(s)
- Jennifer L Beck
- Department of Chemistry, University of Wollongong, Wollongong, NSW 2522, Australia.
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Affiliation(s)
- Jean-Yves Scoazec
- Service Central d'Anatomie et Cytologie Pathologiques, Hôpital Edouard Herriot, 3 place d'Arsonval, 69437 Lyon Cedex 03.
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Bignold LP. Variation, "evolution", immortality and genetic instabilities in tumour cells. Cancer Lett 2007; 253:155-69. [PMID: 17250959 DOI: 10.1016/j.canlet.2006.12.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2006] [Revised: 11/28/2006] [Accepted: 12/01/2006] [Indexed: 11/18/2022]
Abstract
The pathological characteristics of tumour cells often include variation of their histopathological features (i.e. "degrees of de-differentiation") between cases of the same tumour type and between different foci within individual tumours. Usually, only a few cell lines from tumours are immortal. Currently, somatic mutation, replicative infidelity of DNA and aneuploidy are suggested as alternative mechanisms of genomic disturbance underlying tumours. Nevertheless, apart from Hansemann's ideas of "anaplasia" and "de-differentiation" (proposed in the 1890s), and supposed "evolutionary themes" in cancer cell biology, little has been published concerning how histopathologic variation and immortality in tumour cells might arise. This paper reviews applications of the concepts of "variation" to tumours, including concepts of "evolution" and "cellular Darwinism". It is proposed that combinations of somatic mutation, DNA replicative infidelity and aneuploidy may explain the variabilities in tumours, and provide immortality in occasional tumour cells. A possible model involves (i) an initial somatic mutation causing reduced replicative fidelity of DNA, which could be variable in intensity, and thus give rise to variations between cases; (ii) a phase of replicative infidelity of DNA causing daughter cells lines to develop various abnormalities to different degrees, and hence provide for variation between areas of the same tumour. As a last event (iii) occasional asymmetric chromosomal distributions (aneuploidy) might "refresh" the ability of a daughter cell to replicate DNA faithfully causing them to become immortal. Thus extensively mutant and variable, hyperploid, and occasionally immortal cells might arise.
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Affiliation(s)
- L P Bignold
- Division of Tissue Pathology, Institute of Medical and Veterinary Science, P.O. Box 14, Rundle Mall, Adelaide, SA 5068, Australia.
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Bignold LP, Coghlan BLD, Jersmann HPA. Cancer morphology, carcinogenesis and genetic instability: a background. EXS 2006:1-24. [PMID: 16383012 DOI: 10.1007/3-7643-7378-4_1] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Morphological abnormalities of both the nuclei and the cell bodies of tumour cells were described by Müller in the late 1830s. Abnormalities of mitoses and chromosomes in tumour cells were described in the late 1880s. Von Hansemann, in the 1890s, suggested that tumour cells develop from normal cells because of a tendency to mal-distribution and other changes of chromosomes occurring during mitosis. In the first decades of the 20th century, Mendelian genetics and "gene mapping" of chromosomes were established, and the dominant or recessive bases of the familial predispositions to certain tumour types were recognised. In the same period, the carcinogenic effects of ionising radiations, of certain chemicals and of particular viruses were described. A well-developed "somatic gene-mutational theory" of tumours was postulated by Bauer in 1928. In support of this, in the next three decades, many environmental agents were found to cause mitotic and chromosomal abnormalities in normal cells as well as mutations in germ-line cells of experimental animals. Nevertheless, mitotic, chromosomal, and other mutational theories were not popular explanations of tumour pathogenesis in the first half of the 20th century. Only in the 1960s did somatic mutational mechanisms come to dominate theories of tumour formation, especially as a result of the discoveries of the reactivity of carcinogens with DNA, and that the mutation responsible for xeroderma pigmentosum causes loss of function of a gene involved in the repair of DNA after damage by ultraviolet light (Cleaver in 1968). To explain the complexity of tumourous phenomena, "multi-hit" models gained popularity over "single-hit" models of somatic mutation, and "epigenetic" mechanisms of gene regulation began to be studied in tumour cells. More recently, the documentation of much larger-than-expected numbers of genomic events in tumour cells (by Stoler and co-workers, in 1999) has raised the issue of somatic genetic instability in tumour cells, a field which was pioneered in the 1970s mainly by Loeb. Here these discoveries are traced, beginning with "nuclear instability" though mitotic-and-chromosomal theories, single somatic mutation theories, "multi-hit" somatic theories, "somatic, non-chromosomal, genetic instability" and epigenetic mechanisms in tumour cells as a background to the chapters which follow.
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Affiliation(s)
- Leon P Bignold
- Division of Tissue Pathology, Institute of Medical and Veterinary Science, SA, Australia.
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Bignold LP. Embryonic reversions and lineage infidelities in tumour cells: genome-based models and role of genetic instability. Int J Exp Pathol 2005; 86:67-79. [PMID: 15810978 PMCID: PMC2517406 DOI: 10.1111/j.0959-9673.2005.00421.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2004] [Accepted: 12/19/2004] [Indexed: 12/30/2022] Open
Abstract
Reversions to "embryonic precursor"-type cells and infidelities of tumour cell lineage (including metaplasias) have been recognized as aspects of various tumour types since the 19th century. Since then, evidence of these phenomena has been obtained from numerous clinical, biochemical, immunological and molecular biological studies. In particular, microarray studies have suggested that "aberrant" expressions of relevant genes are common. An unexplained aspect of the results of these studies is that, in many tumour types, the embryonic reversion or lineage infidelity only occurs in a proportion of cases. As a parallel development during the molecular biological investigation of tumours over the last several decades, genetic instability has been found much more marked, at least in some preparations of tumour cells, than that identified by means of previous karyotypic investigations of tumours. This study reviews examples of embryonic reversion and lineage infidelity phenomena, which have derived from the various lines of investigation of cancer over the last 150 or so years. Four categories of circumstances of the occurrence of embryonic reversions or lineage infidelities have been identified - (i) as part of the defining phenotype of the tumour, and hence being presumably integral to the tumour type, (ii) present ab initio in only some cases of the tumour type, and presumably being regularly associated with, but incidental to, the essential features of the tumour type, (iii) occurring later in the course of the disease and thus being possibly a manifestation of in vivo genetic instability and "tumour progression" and (iv) arising probably by genetic instability, during the processes, especially cell culture, associated with ex vivo investigations. Genomic models are described which might account for the origin of these phenomena in each of these circumstances.
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Affiliation(s)
- Leon P Bignold
- Division of Tissue Pathology, Institute of Medical and Veterinary Science, PO Box 14, Rundle Mall, Adelaide, SA 5068, Australia.
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