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Busch MA, Haase A, Alefeld E, Biewald E, Jabbarli L, Dünker N. Trefoil Family Factor Peptide 1-A New Biomarker in Liquid Biopsies of Retinoblastoma under Therapy. Cancers (Basel) 2023; 15:4828. [PMID: 37835522 PMCID: PMC10571905 DOI: 10.3390/cancers15194828] [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] [Received: 08/21/2023] [Revised: 09/01/2023] [Accepted: 09/14/2023] [Indexed: 10/15/2023] Open
Abstract
Effective management of retinoblastoma (RB), the most prevalent childhood eye cancer, depends on reliable monitoring and diagnosis. A promising candidate in this context is the secreted trefoil family factor peptide 1 (TFF1), recently discovered as a promising new biomarker in patients with a more advanced subtype of retinoblastoma. The present study investigated TFF1 expression within aqueous humor (AH) of enucleated eyes and compared TFF1 levels in AH and corresponding blood serum samples from RB patients undergoing intravitreal chemotherapy (IVC). TFF1 was consistently detectable in AH, confirming its potential as a biomarker. Crucially, our data confirmed that TFF1-secreting cells within the tumor mass originate from RB tumor cells, not from surrounding stromal cells. IVC-therapy-responsive patients exhibited remarkably reduced TFF1 levels post-therapy. By contrast, RB patients' blood serum displayed low-to-undetectable levels of TFF1 even after sample concentration and no therapy-dependent changes were observed. Our findings suggest that compared with blood serum, AH represents the more reliable source of TFF1 if used for liquid biopsy RB marker analysis in RB patients. Thus, analysis of TFF1 in AH of RB patients potentially provides a minimally invasive tool for monitoring RB therapy efficacy, suggesting its importance for effective treatment regimens.
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Affiliation(s)
- Maike Anna Busch
- Institute of Anatomy II, Department of Neuroanatomy, Medical Faculty, Center for Translational Neuro and Behavioral Sciences (C-TNBS), University of Duisburg-Essen, 45147 Essen, Germany; (A.H.); (E.A.); (N.D.)
| | - André Haase
- Institute of Anatomy II, Department of Neuroanatomy, Medical Faculty, Center for Translational Neuro and Behavioral Sciences (C-TNBS), University of Duisburg-Essen, 45147 Essen, Germany; (A.H.); (E.A.); (N.D.)
| | - Emily Alefeld
- Institute of Anatomy II, Department of Neuroanatomy, Medical Faculty, Center for Translational Neuro and Behavioral Sciences (C-TNBS), University of Duisburg-Essen, 45147 Essen, Germany; (A.H.); (E.A.); (N.D.)
| | - Eva Biewald
- Department of Ophthalmology, Children’s Hospital, University of Duisburg-Essen, 45147 Essen, Germany; (E.B.); (L.J.)
| | - Leyla Jabbarli
- Department of Ophthalmology, Children’s Hospital, University of Duisburg-Essen, 45147 Essen, Germany; (E.B.); (L.J.)
| | - Nicole Dünker
- Institute of Anatomy II, Department of Neuroanatomy, Medical Faculty, Center for Translational Neuro and Behavioral Sciences (C-TNBS), University of Duisburg-Essen, 45147 Essen, Germany; (A.H.); (E.A.); (N.D.)
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Busch MA, Haase A, Miroschnikov N, Doege A, Biewald E, Bechrakis NE, Beier M, Kanber D, Lohmann D, Metz K, Dünker N. TFF1 in Aqueous Humor—A Potential New Biomarker for Retinoblastoma. Cancers (Basel) 2022; 14:cancers14030677. [PMID: 35158945 PMCID: PMC8833755 DOI: 10.3390/cancers14030677] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 01/24/2022] [Accepted: 01/27/2022] [Indexed: 11/29/2022] Open
Abstract
Simple Summary Retinoblastoma is the most common pediatric intraocular malignancy with high cure rates in developed countries. Nevertheless, useful predictive biomarkers providing reliable evidence for therapy decisions are urgently needed to optimize therapy regimes. TFF1 is a promising candidate as it is expressed in a more advanced subtype of retinoblastoma. Additionally, TFF1 is a naturally secreted peptide. Thus, TFF1 might be detectable in the aqueous humor of RB patients’ eyes, providing the opportunity to determine its expression prior to therapy without the necessity of a tumor biopsy. We therefore investigated for the first time aqueous humor samples of retinoblastoma patients in order to test for the availably and expression status of TFF1 as well as to compare it with the original tumor and established corresponding primary cell cultures. Abstract Retinoblastoma (RB) is the most common childhood eye cancer. The expression of trefoil factor family peptide 1 (TFF1), a small secreted peptide, has been correlated with more advanced RB stages and it might be a promising new candidate as a RB biomarker. The study presented addressed the question of if TFF1 is detectable in aqueous humor (AH) of RB patients’ eyes, providing easy accessibility as a diagnostic and/or therapy accompanying predictive biomarker. The TFF1 expression status of 15 retinoblastoma AH samples was investigated by ELISA and Western blot analyses. The results were correlated with the TFF1 expression status in the tumor of origin and compared to TFF1 expression in established corresponding primary tumor cell cultures and supernatants. Nine out of fifteen AH patient samples exhibited TFF1 expression, which correlated well with TFF1 levels of the original tumor. TFF1 expression in most of the corresponding primary cell cultures reflects the levels of the original tumor, although not all TFF1-expressing tumor cells seem to secret into the AH. Together, our findings strongly suggest TFF1 as a reliable new RB biomarker.
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Affiliation(s)
- Maike Anna Busch
- Center for Translational Neuro- and Behavioral Sciences, Institute of Anatomy II, Department of Neuroanatomy, Medical Faculty, University of Duisburg-Essen, 45147 Essen, Germany; (A.H.); (N.M.); (A.D.); (N.D.)
- Correspondence: ; Tel.: +49-201-7238-4434
| | - André Haase
- Center for Translational Neuro- and Behavioral Sciences, Institute of Anatomy II, Department of Neuroanatomy, Medical Faculty, University of Duisburg-Essen, 45147 Essen, Germany; (A.H.); (N.M.); (A.D.); (N.D.)
| | - Natalia Miroschnikov
- Center for Translational Neuro- and Behavioral Sciences, Institute of Anatomy II, Department of Neuroanatomy, Medical Faculty, University of Duisburg-Essen, 45147 Essen, Germany; (A.H.); (N.M.); (A.D.); (N.D.)
| | - Annika Doege
- Center for Translational Neuro- and Behavioral Sciences, Institute of Anatomy II, Department of Neuroanatomy, Medical Faculty, University of Duisburg-Essen, 45147 Essen, Germany; (A.H.); (N.M.); (A.D.); (N.D.)
| | - Eva Biewald
- Department of Ophthalmology, Medical Faculty, University of Duisburg-Essen, 45147 Essen, Germany; (E.B.); (N.E.B.)
| | - Nikolaos E. Bechrakis
- Department of Ophthalmology, Medical Faculty, University of Duisburg-Essen, 45147 Essen, Germany; (E.B.); (N.E.B.)
| | - Manfred Beier
- Institute of Human Genetics, Medical Faculty, Heinrich-Heine University, 40225 Düsseldorf, Germany;
| | - Deniz Kanber
- Institute of Human Genetics, Medical Faculty, University of Duisburg-Essen, 45147 Essen, Germany; (D.K.); (D.L.)
| | - Dietmar Lohmann
- Institute of Human Genetics, Medical Faculty, University of Duisburg-Essen, 45147 Essen, Germany; (D.K.); (D.L.)
| | - Klaus Metz
- Institute of Pathology, Medical Faculty, University of Duisburg-Essen, 45147 Essen, Germany;
| | - Nicole Dünker
- Center for Translational Neuro- and Behavioral Sciences, Institute of Anatomy II, Department of Neuroanatomy, Medical Faculty, University of Duisburg-Essen, 45147 Essen, Germany; (A.H.); (N.M.); (A.D.); (N.D.)
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Berry JL, Lee R, Patel L, Le BHA, O'Fee J, Jubran R, Kim JW. Posterior Vitreous Detachment and the Associated Risk of Retinal Toxicity with Intravitreal Melphalan Treatment for Retinoblastoma. Ocul Oncol Pathol 2019; 5:238-244. [PMID: 31367584 PMCID: PMC6615322 DOI: 10.1159/000493687] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 09/10/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS The presence of a posterior vitreous detachment (PVD) may play a role in the development of severe retinal toxicity following intravitreal melphalan (IVM) injection for vitreous seeding. We aimed to evaluate the incidence of PVD in retinoblastoma eyes and its association with retinal toxicity after IVM. METHODS We reviewed 112 eyes of 81 retinoblastoma patients with B-scan images available for review from 2010 to 2017. A cohort with vitreous seeding treated with IVM was compared to a cohort that did not undergo injection. The primary outcome measure was the presence of PVD at diagnosis and after treatment. Secondary measures included IVM-associated retinal toxicity and other ocular complications. RESULTS The incidence of PVD was 20% at diagnosis, and in eyes with B-scans available both at diagnosis and after treatment 18% of eyes developed a PVD over the course of therapy, more frequently after IVM (p = 0.05). Of 34 eyes receiving IVM treatment, the incidences of posterior segment toxicity and globe salvage were similar between eyes with and without PVD (p = 0.4015 and 0.52, respectively). CONCLUSION In this cohort of patients, there did not appear to be an association with the presence of PVD during IVM and the development of retinal toxicity.
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Affiliation(s)
- Jesse L. Berry
- USC Roski Eye Institute, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California, USA
| | - Ramon Lee
- USC Roski Eye Institute, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California, USA
| | - Luv Patel
- USC Roski Eye Institute, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California, USA
| | - Bao Han A. Le
- USC Roski Eye Institute, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California, USA
| | - John O'Fee
- USC Roski Eye Institute, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California, USA
| | - Rima Jubran
- The Children's Center for Cancer and Blood Diseases, Children's Hospital Los Angeles, Los Angeles, California, USA
| | - Jonathan W. Kim
- USC Roski Eye Institute, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California, USA
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Ghiam BK, Xu L, Berry JL. Aqueous Humor Markers in Retinoblastoma, a Review. Transl Vis Sci Technol 2019; 8:13. [PMID: 31019846 PMCID: PMC6469575 DOI: 10.1167/tvst.8.2.13] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 01/01/2019] [Indexed: 12/11/2022] Open
Abstract
Purpose Retinoblastoma (Rb) is the most common primary intraocular cancer in children. Unlike with most solid tumors, direct biopsy is contraindicated due to risk of tumor dissemination. However, recent therapeutic techniques have allowed for the safe extraction of aqueous humor (AH) from eyes undergoing therapy, providing the unique opportunity to use AH as a liquid biopsy for Rb. Although the extraction of AH in Rb eyes undergoing therapy is new, the consideration of whether there are tumor biomarkers in the AH is not. The current manuscript is a systematic review of all studies that have examined biomarkers in the AH of Rb eyes. The authors hypothesized that AH sampling and analysis of tumor biomarkers may have new clinical relevance for the diagnosis, prognosis, and/or management of Rb. Methods A comprehensive database search (PubMed, Web of Science, Embase, and Cochrane Databases) was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement to identify articles on AH markers in Rb eyes. Inclusion criteria included English language articles with original reports on AH markers in the eyes of patients with confirmed Rb. Data on marker type, number of eyes, marker means and ranges, and when available, control values and clinicopathological correlations were collected. Articles were stratified based on marker type, and assessed quantitatively and qualitatively. Results An initial database search produced 325 articles, and an additional 11 articles were identified through searching citations. After removing duplicates and applying the eligibility criteria, we selected 27 articles to be included in the current review. A total of 463 eyes with histologically confirmed Rb were included in this review. The various markers and their values, with comparison to controls and clinicopathological correlations, are discussed. Conclusions AH sampling and tumor biomarker analysis in eyes without undergoing enucleation have the potential to revolutionize the management of Rb. Translational Relevance Although previous studies evaluated markers in the AH only after enucleation and not at diagnosis or during therapy, the clinical relevance of these markers was limited. However, recent changes in the management of Rb have allowed for safe sampling of the aqueous during therapy and, thus, correlation of tumor biomarkers with disease course. Thus, the authors felt it important to revisit previous research to evaluate whether these markers may now be applicable for the diagnosis, prognosis, or management of Rb
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Affiliation(s)
- Benjamin K Ghiam
- Oakland University, William Beaumont School of Medicine, Rochester, MI, USA
| | - Liya Xu
- Department of Biological Sciences, Dornsife College of Letters, Arts, and Sciences, University of Southern California, Los Angeles, CA, USA
| | - Jesse L Berry
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, CA, USA.,USC Roski Eye Institute, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA, USA
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Berry JL, Shah S, Bechtold M, Zolfaghari E, Jubran R, Kim JW. Long-term outcomes of Group D retinoblastoma eyes during the intravitreal melphalan era. Pediatr Blood Cancer 2017. [PMID: 28646513 DOI: 10.1002/pbc.26696] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND To evaluate outcomes of Group D retinoblastoma (Rb) eyes during the intravitreal melphalan era. PROCEDURE Retrospective chart review of patients diagnosed with Group D Rb from 2011 to 2016 was done. Overall, 76 Group D eyes of 68 patients were included; salvage therapy included systemic chemoreduction with vincristine, etoposide, and carboplatin with local consolidation, followed by intravitreal injection of melphalan for recurrent or persistent seeding. External beam radiation was not used as a treatment modality. Primary outcome measurement was globe salvage. RESULTS Of 76 Group D eyes, 24 were enucleated primarily and 52 were treated with intent to salvage the globe. Systemic chemoreduction salvaged 25 of 52 eyes (48%). Tumor recurrences were diagnosed in 27 eyes (52%); five with massive retinal recurrences underwent enucleation and 22 were treated with intravitreal melphalan injection. Of the 22 injected eyes, 14 (64%) were salvaged and eight required enucleation primarily for retinal recurrences. Success in eradicating vitreous seeds was 100%. The Kaplan-Meier 3-year survival estimate for treated eyes is 76.5% (95% CI: 61.4-86.3). Median follow-up for the group of 76 Group D eyes was 29.5 months (SD 17.9 months). CONCLUSION During a 6-year period that included the initiation of intravitreal melphalan at our institution, the salvage rate of treated Group D eyes was 75% (39/52 eyes). Intravitreal melphalan was utilized for ocular salvage in 42% (22/52 eyes). Systemic chemoreduction combined with intravitreal melphalan for seeding demonstrated a high overall salvage rate for Group D eyes in this cohort.
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Affiliation(s)
- Jesse L Berry
- USC Roski Eye Institute, Los Angeles, California.,The Vision Center at Children's Hospital Los Angeles, Los Angeles, California
| | - Sona Shah
- USC Roski Eye Institute, Los Angeles, California.,The Vision Center at Children's Hospital Los Angeles, Los Angeles, California
| | - Mercy Bechtold
- USC Roski Eye Institute, Los Angeles, California.,The Vision Center at Children's Hospital Los Angeles, Los Angeles, California
| | - Emily Zolfaghari
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California
| | - Rima Jubran
- The Children's Center for Cancer and Blood Diseases, Children's Hospital Los Angeles, Los Angeles, California
| | - Jonathan W Kim
- USC Roski Eye Institute, Los Angeles, California.,The Vision Center at Children's Hospital Los Angeles, Los Angeles, California
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Berry JL, Xu L, Murphree AL, Krishnan S, Stachelek K, Zolfaghari E, McGovern K, Lee TC, Carlsson A, Kuhn P, Kim JW, Cobrinik D, Hicks J. Potential of Aqueous Humor as a Surrogate Tumor Biopsy for Retinoblastoma. JAMA Ophthalmol 2017; 135:1221-1230. [PMID: 29049475 DOI: 10.1001/jamaophthalmol.2017.4097] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Importance Retinoblastoma (Rb) is one of the first tumors to have a known genetic etiology. However, because biopsy of this tumor is contraindicated, it has not been possible to define the effects of secondary genetic changes on the disease course. Objective To investigate whether the aqueous humor (AH) of Rb eyes has sufficient tumor-derived DNA to perform genetic analysis of the tumor, including DNA copy number alterations. Design, Setting, and Participants This investigation was a case series study at a tertiary care hospital (Children's Hospital Los Angeles) with a large Rb treatment center. Cell-free DNA (cfDNA) was isolated from 6 AH samples from 3 children with Rb, including 2 after primary enucleation and 1 undergoing multiple intravitreous injections of melphalan for vitreous seeding. Samples were taken between December 2014 and September 2015. Main Outcomes and Measures Measurable levels of nucleic acids in the AH and identification of tumor-derived DNA copy number variation in the AH. The AH was analyzed for DNA, RNA, and micro-RNA using Qubit high-sensitivity kits. Cell-free DNA was isolated from the AH, and sequencing library protocols were optimized. Shallow whole-genome sequencing was performed on an Illumina platform, followed by genome-wide chromosomal copy number variation profiling to assess the presence of tumor DNA fractions in the AH cfDNA of the 3 patients. One child's cfDNA from the AH and tumor DNA were subjected to Sanger sequencing to isolate the RB1 mutation. Results Six AH samples were obtained from 3 Rb eyes in 3 children (2 male and 1 female; diagnosed at ages 7, 20, and 28 months). A corroborative pattern between the chromosomal copy number variation profiles of the AH cfDNA and tumor-derived DNA from the enucleated samples was identified. In addition, a nonsense RB1 mutation (Lys→STOP) from 1 child was also identified from the AH samples obtained during intravitreous injection of melphalan, which matched the tumor sample postsecondary enucleation. Sanger sequencing of the AH cfDNA and tumor DNA with polymerase chain reaction primers targeting RB1 gene c.1075A demonstrated this same RB1 mutation. Conclusions and Relevance In this study evaluating nucleic acids in the AH from Rb eyes undergoing salvage therapy with intravitreous injection of melphalan, the results suggest that the AH can serve as a surrogate tumor biopsy when Rb tumor tissue is not available. This novel method will allow for analyses of tumor-derived DNA in Rb eyes undergoing salvage therapy that have not been enucleated.
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Affiliation(s)
- Jesse L Berry
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California.,USC Roski Eye Institute, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles
| | - Liya Xu
- Department of Biological Sciences, USC Dornsife College of Letters, Arts, and Sciences, University of Southern California, Los Angeles
| | - A Linn Murphree
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California.,USC Roski Eye Institute, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles
| | | | - Kevin Stachelek
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California
| | - Emily Zolfaghari
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California.,USC Roski Eye Institute, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles
| | - Kathleen McGovern
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California
| | - Thomas C Lee
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California.,USC Roski Eye Institute, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles
| | - Anders Carlsson
- Department of Biological Sciences, USC Dornsife College of Letters, Arts, and Sciences, University of Southern California, Los Angeles
| | - Peter Kuhn
- Department of Biological Sciences, USC Dornsife College of Letters, Arts, and Sciences, University of Southern California, Los Angeles.,Norris Comprehensive Cancer Center, Keck School of Medicine of USC, University of Southern California, Los Angeles.,Department of Aerospace and Mechanical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles.,Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles
| | - Jonathan W Kim
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California.,USC Roski Eye Institute, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles
| | - David Cobrinik
- The Vision Center at Children's Hospital Los Angeles, Los Angeles, California.,USC Roski Eye Institute, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles.,Norris Comprehensive Cancer Center, Keck School of Medicine of USC, University of Southern California, Los Angeles.,Department of Biochemistry and Molecular Medicine, Keck School of Medicine of USC, University of Southern California, Los Angeles.,The Saban Research Institute, Children's Hospital Los Angeles, Los Angeles, California
| | - James Hicks
- Department of Biological Sciences, USC Dornsife College of Letters, Arts, and Sciences, University of Southern California, Los Angeles.,Norris Comprehensive Cancer Center, Keck School of Medicine of USC, University of Southern California, Los Angeles
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Yuan S, Friedman DL, Daniels AB. Alternative Chemotherapeutic Agents for the Treatment of Retinoblastoma Using the Intra-Arterial and Intravitreal Routes: A Path Forward Toward Drug Discovery. Int Ophthalmol Clin 2017; 57:129-141. [PMID: 27898619 DOI: 10.1097/iio.0000000000000154] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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Francis JH, Levin AM, Abramson DH. Update on Ophthalmic Oncology 2014: Retinoblastoma and Uveal Melanoma. Asia Pac J Ophthalmol (Phila) 2016; 5:368-82. [PMID: 27632029 DOI: 10.1097/apo.0000000000000213] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
PURPOSE The aim of this study was to review peer-reviewed articles on ophthalmic oncology (specifically retinoblastoma and uveal melanoma) published from January to December 2014. DESIGN This study is a literature review. METHODS The terms retinoblastoma and uveal melanoma were used in a MEDLINE literature search. Abstracts were studied, and the most relevant articles were selected for inclusion and further in-depth review. RESULTS In retinoblastoma, more eyes are being salvaged due to intravitreal melphalan. The year 2014 marks a deepening in our understanding of the biological basis of the disease and the cell of origin. Knowledge on the genetic underpinnings of uveal melanoma has broadened to include other pathways, interactions, and potential therapeutic targets. CONCLUSIONS In 2014, there were valuable advancements in our knowledge of retinoblastoma and uveal melanoma. Some of these resulted in improved patient management.
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Affiliation(s)
- Jasmine H Francis
- From the *Memorial Sloan Kettering Cancer Center; and †Weill Cornell Medical Center, New York, NY
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