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Agnoletto C, Pignochino Y, Caruso C, Garofalo C. Exosome-Based Liquid Biopsy Approaches in Bone and Soft Tissue Sarcomas: Review of the Literature, Prospectives, and Hopes for Clinical Application. Int J Mol Sci 2023; 24:ijms24065159. [PMID: 36982236 PMCID: PMC10048895 DOI: 10.3390/ijms24065159] [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: 12/22/2022] [Revised: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 03/30/2023] Open
Abstract
The knowledge of exosome impact on sarcoma development and progression has been implemented in preclinical studies thanks to technological advances in exosome isolation. Moreover, the clinical relevance of liquid biopsy is well established in early diagnosis, prognosis prediction, tumor burden assessment, therapeutic responsiveness, and recurrence monitoring of tumors. In this review, we aimed to comprehensively summarize the existing literature pointing out the clinical relevance of detecting exosomes in liquid biopsy from sarcoma patients. Presently, the clinical utility of liquid biopsy based on exosomes in patients affected by sarcoma is under debate. The present manuscript collects evidence on the clinical impact of exosome detection in circulation of sarcoma patients. The majority of these data are not conclusive and the relevance of liquid biopsy-based approaches in some types of sarcoma is still insufficient. Nevertheless, the utility of circulating exosomes in precision medicine clearly emerged and further validation in larger and homogeneous cohorts of sarcoma patients is clearly needed, requiring collaborative projects between clinicians and translational researchers for these rare cancers.
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Affiliation(s)
| | - Ymera Pignochino
- Department of Clinical and Biological Sciences, University of Torino, 10043 Torino, Italy
- Candiolo Cancer Instute, FPO-IRCCS, 10060 Torino, Italy
| | - Chiara Caruso
- Veneto Institute of Oncology IOV-IRCCS, 35128 Padua, Italy
| | - Cecilia Garofalo
- Advanced Translational Research Laboratory, Immunology and Molecular Oncology Diagnostic Unit, Veneto Institute of Oncology IOV-IRCCS, 35127 Padua, Italy
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Dittmer J, Stütz A, Vanas V, Salhi J, Reisecker JM, Kral RM, Sutterlüty-Fall H. Spatial signal repression as an additional role of Sprouty2 protein variants. Cell Signal 2019; 62:109332. [PMID: 31154002 DOI: 10.1016/j.cellsig.2019.05.017] [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: 03/18/2019] [Revised: 05/29/2019] [Accepted: 05/29/2019] [Indexed: 11/19/2022]
Abstract
Sprouty2 (Spry2) is a prominent member of a protein family with crucial functions in the modulation of signal transduction. One of its main actions is the repression of mitogen-activated protein kinase (MAPK) pathway in response to growth factor-induced signalling. A common single nucleotide polymorphism within the Spry2 gene creates two protein variants where a proline adjacent to the serine rich domain is converted to an additional serine. Both protein variants perform similar functions although their efficiency in fulfilling these tasks varies. In this report, we used biochemical fractionation methods as well as confocal microscopy to analyse quantitative and qualitative differences in the distribution of Spry2 variants. We found that Spry2 proteins localize not solely to the plasma membrane, but also to other membrane engulfed compartments like for example the Golgi apparatus. In these less dense organelles, predominantly slower migrating forms reside indicating that posttranslational modification contributes to the distribution profile of Spry2. However there is no significant difference in the distribution of the two variants. Additionally, we found that Spry2 could be found exclusively in membrane fractions irrespective of the mitogen availability and the phosphorylation status. Considering the interference of extracellular signal-regulated kinase (ERK) activation in the cytoplasm, both Spry2 variants inhibited the levels of phosphorylated ERK (pERK) significantly to a similar extent. In contrast, the induction profiles of pERK levels were completely different in the nuclei. Again, both Spry2 variants diminished the levels of pERK. While the proline variant lowered the activation throughout the observation period, the serine variant failed to interfere with immediate accumulation of nuclear pERK levels, but the signal duration was shortened. Since the extent of the pERK inhibition in the nuclei was drastically more pronounced than in the cytoplasm, we conclude that Spry2 - in addition to its known functions as a repressor of general ERK phosphorylation - functions as a spatial repressor of nucleic ERK activation. Accordingly, a dominant negative version of Spry2 was only able to enhance the pERK levels of serum-deprived cells in the cytosol, while in the nucleus the intensity of the pERK signal in response to serum addition was significantly increased.
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Affiliation(s)
- Jakob Dittmer
- Institute of Cancer Research, Department of Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Astrid Stütz
- Institute of Cancer Research, Department of Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Vanita Vanas
- Institute of Cancer Research, Department of Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Jihen Salhi
- Institute of Cancer Research, Department of Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.
| | - Johannes Manfred Reisecker
- Institute of Cancer Research, Department of Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.
| | - Rosana Maria Kral
- Institute of Cancer Research, Department of Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.
| | - Hedwig Sutterlüty-Fall
- Institute of Cancer Research, Department of Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.
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Atay S, Wilkey DW, Milhem M, Merchant M, Godwin AK. Insights into the Proteome of Gastrointestinal Stromal Tumors-Derived Exosomes Reveals New Potential Diagnostic Biomarkers. Mol Cell Proteomics 2017; 17:495-515. [PMID: 29242380 DOI: 10.1074/mcp.ra117.000267] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 10/21/2017] [Indexed: 12/13/2022] Open
Abstract
Developing tumors continuously release nano-sized vesicles that represent circulating "fingerprints" of the tumor's identity. In gastrointestinal stromal tumor (GIST), we have previously reported that these tumors release "oncosomes" carrying the constitutively activated tyrosine kinase (TK) receptor KIT. Despite the clinical utility of TK inhibitors, such as imatinib mesylate (IM), recurrence and metastasis are clinical problems that urge the need to identify new tumor-derived molecules. To this aim, we performed the first high quality proteomic study of GIST-derived exosomes (GDEs) and identified 1,060 proteins composing the core GDE proteome (cGDEp). The cGDEp was enriched in diagnostic markers (e.g. KIT, CD34, ANO1, PROM1, PRKCQ, and ENG), as well as proteins encoded by genes previously reported expressed in GIST (e.g. DPP4, FHL1, CDH11, and KCTD12). Many of these proteins were validated using cell lines, patient-derived KIT+ exosomes, and GIST tissues. We further show that in vitro and in vivo-derived GDE, carry proteins associated with IM response, such as Sprouty homolog 4 (SPRY4), surfeit 4 (SURF4), ALIX, and the cGMP-dependent 3',5'-cyclic phosphodiesterase 2A (PDE2A). Additionally, we report that the total exosome levels and exosome-associated KIT and SPRY4 protein levels have therapeutic values. In fact, molecular characterization of in vivo-derived KIT+ exosomes indicate significant sorting of p-KITTyr719, total KIT, and SPRY4 after IM-treatment of metastatic patients as compared with the pre-IM levels. Our data suggest that analysis of circulating exosomes levels and molecular markers of IM response in GIST patients with primary and metastatic disease is suitable to develop liquid based biopsies for the diagnosis, prognosis, and monitoring of response to treatment of these tumors. In summary, these findings provide the first insight into the proteome of GIST-derived oncosomes and offers a unique opportunity to further understand their oncogenic elements which contribute to tumorigenesis and drug resistance. Data are available via ProteomeXchange with identifier PXD007997.
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Affiliation(s)
- Safinur Atay
- From the ‡Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, 3901 Rainbow Blvd., 4005 WHE, MS3040, Kansas City, Kansas 66160;
| | - Daniel W Wilkey
- §University of Louisville Room 209, Donald Baxter Research Building, 570 S. Preston Street, Louisville, Kentucky 40202
| | - Mohammed Milhem
- ¶Division of Hematology, Oncology, Blood and Marrow Transplantation 200 Hawkins Drive, C32 GH Iowa City, Iowa 52242
| | - Michael Merchant
- §University of Louisville Room 209, Donald Baxter Research Building, 570 S. Preston Street, Louisville, Kentucky 40202
| | - Andrew K Godwin
- From the ‡Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, 3901 Rainbow Blvd., 4005 WHE, MS3040, Kansas City, Kansas 66160.,‖University of Kansas Cancer Center, 3901 Rainbow Blvd., 4005 WHE, MS3040, Kansas City, Kansas 66160
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Hammam O, Aboushousha T, El-Hindawi A, Khairy H, Khalil H, Kamel A, Akl M, Abdel-Hady A, Magdy M, Badawy M, Kholy AE, Osili KA, Kamel N, Anis S, Leithy TE. Expression of FGFR3 Protein and Gene Amplification in Urinary Bladder Lesions in Relation to Schistosomiasis. Open Access Maced J Med Sci 2017; 5:160-166. [PMID: 28507621 PMCID: PMC5420767 DOI: 10.3889/oamjms.2017.048] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 02/18/2017] [Accepted: 02/21/2017] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND: Bladder cancer represents the fifth most common malignancy worldwide and a major cause of cancer-related morbidity and death. Incidence and mortality rates have remained relatively constant over the past four decades. Urothelial bladder cancers have identified multiple risk factors. AIM: We aimed at evaluating the expression of the FGFR3 protein and gene amplification in the urothelial cells of neoplastic and non-neoplastic urothelial lesions of the urinary bladder, and correlation with tumour grade, stage and associated bilharziasis. MATERIAL AND METHODS: One hundred and five different urinary bladder lesions were studied, including 15 cystitis cases (9 bilharzial and 6 non-bilharzial cystitides), 75 urothelial carcinoma cases (18 bilharzial associated and 57 non-bilharzial associated) and 15 squamous cell carcinoma associated with bilharziasis, beside 5 control cases. Data concerning age, sex, tumour grade, stage, and associated bilharziasis were obtained. Each case was studied for FGFR3 expression, and FISH technique was applied on forty malignant cases that show high protein expression. RESULTS: The highest incidence of cystitis was in the fourth decade while of bladder cancer was in the seventh decade. Tumour grade was correlated significantly with tumour stage. FGFR3 correlates significantly with tumour grade, stage and with a bilharzial infestation. FGFR3 gene amplification was reported mainly in low grade and NNMBIC tumours. CONCLUSIONS: FGFR3 overexpression in malignant cases was significantly higher than in chronic cystitis. FGFR3 gene amplification was reported mainly in low grade and NNMBIC tumours. FGFR3 may be further studied as a subject for target therapy of bladder cancer.
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Affiliation(s)
- Olfat Hammam
- Theodor Bilharz Research Institute, Imbaba, Giza, Cairo, Egypt
| | | | | | - Hosni Khairy
- Faculty of Medicine Cairo University, Cairo, Egypt
| | - Heba Khalil
- Theodor Bilharz Research Institute, Imbaba, Giza, Cairo, Egypt
| | - Amira Kamel
- Theodor Bilharz Research Institute, Imbaba, Giza, Cairo, Egypt
| | - Maha Akl
- Theodor Bilharz Research Institute, Imbaba, Giza, Cairo, Egypt
| | | | - Mona Magdy
- Theodor Bilharz Research Institute, Imbaba, Giza, Cairo, Egypt
| | - Mohamed Badawy
- Theodor Bilharz Research Institute, Imbaba, Giza, Cairo, Egypt
| | - Amr El Kholy
- Theodor Bilharz Research Institute, Imbaba, Giza, Cairo, Egypt
| | - Khalid Al Osili
- Theodor Bilharz Research Institute, Imbaba, Giza, Cairo, Egypt
| | - Nora Kamel
- National Research Center5, El Doki, Giza, Egypt
| | - Shady Anis
- Faculty of Medicine Cairo University, Cairo, Egypt
| | - Tarek El Leithy
- Theodor Bilharz Research Institute, Imbaba, Giza, Cairo, Egypt
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