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He N, Thippabhotla S, Zhong C, Greenberg Z, Xu L, Pessetto Z, Godwin AK, Zeng Y, He M. Nano pom-poms prepared exosomes enable highly specific cancer biomarker detection. Commun Biol 2022; 5:660. [PMID: 35787656 PMCID: PMC9253007 DOI: 10.1038/s42003-022-03598-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 06/16/2022] [Indexed: 01/27/2023] Open
Abstract
Extracellular vesicles (EVs), particularly nano-sized small EV exosomes, are emerging biomarker sources. However, due to heterogeneous populations secreted from diverse cell types, mapping exosome multi-omic molecular information specifically to their pathogenesis origin for cancer biomarker identification is still extraordinarily challenging. Herein, we introduced a novel 3D-structured nanographene immunomagnetic particles (NanoPoms) with unique flower pom-poms morphology and photo-click chemistry for specific marker-defined capture and release of intact exosome. This specific exosome isolation approach leads to the expanded identification of targetable cancer biomarkers with enhanced specificity and sensitivity, as demonstrated by multi-omic exosome analysis of bladder cancer patient tissue fluids using the next generation sequencing of somatic DNA mutations, miRNAs, and the global proteome (Data are available via ProteomeXchange with identifier PXD034454). The NanoPoms prepared exosomes also exhibit distinctive in vivo biodistribution patterns, highlighting the highly viable and integral quality. The developed method is simple and straightforward, which is applicable to nearly all types of biological fluids and amenable for enrichment, scale up, and high-throughput exosome isolation.
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Affiliation(s)
- Nan He
- Department of Chemical and Petroleum Engineering, Bioengineering Program, University of Kansas, Lawrence, KS, 66045, USA
- Clara Biotech Inc., Lawrence, KS, 66047, USA
| | - Sirisha Thippabhotla
- Department of Electrical Engineering and Computer Science, University of Kansas, Lawrence, KS, 66045, USA
| | - Cuncong Zhong
- Department of Electrical Engineering and Computer Science, University of Kansas, Lawrence, KS, 66045, USA
| | - Zachary Greenberg
- Department of Pharmaceutics, College of Pharmacy, University of Florida, Gainesville, FL, 32610, USA
| | - Liang Xu
- Department of Molecular Biosciences, University of Kansas, Lawrence, KS, 66045, USA
| | - Ziyan Pessetto
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Andrew K Godwin
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, 66160, USA
- University of Kansas Cancer Center, Kansas City, KS, 66160, USA
| | - Yong Zeng
- Department of Chemistry, University of Florida, Gainesville, FL, 32603, USA
| | - Mei He
- Department of Chemical and Petroleum Engineering, Bioengineering Program, University of Kansas, Lawrence, KS, 66045, USA.
- Department of Pharmaceutics, College of Pharmacy, University of Florida, Gainesville, FL, 32610, USA.
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Meir M, Maurus K, Kuper J, Hankir M, Wardelmann E, Rosenwald A, Germer CT, Wiegering A. The novel KIT exon 11 germline mutation K558N is associated with gastrointestinal stromal tumor, mastocytosis, and seminoma development. Genes Chromosomes Cancer 2021; 60:827-832. [PMID: 34338390 DOI: 10.1002/gcc.22988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 07/29/2021] [Indexed: 12/28/2022] Open
Abstract
Familial gastrointestinal stromal tumors (GIST) are dominant genetic disorders that are caused by germline mutations of the type III receptor tyrosine kinase KIT. While sporadic mutations are frequently found in mastocytosis and GISTs, germline mutations of KIT have only been described in 39 families until now. We detected a novel germline mutation of KIT in exon 11 (p.Lys-558-Asn; K558N) in a patient from a kindred with several GISTs harboring different secondary somatic KIT mutations. Structural analysis suggests that the primary germline mutation alone is not sufficient to release the autoinhibitory region of KIT located in the transmembrane domain. Instead, the KIT kinase module becomes constitutively activated when K558N combines with different secondary somatic mutations. The identical germline mutation in combination with an additional somatic KIT mutation was detected in a second patient of the kindred with seminoma while a third patient within the family had a cutaneous mastocytosis. These findings suggest that the K558N mutation interferes with the juxtamembranous part of KIT, since seminoma and mastocystosis are usually not associated with exon 11 mutations.
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Affiliation(s)
- Michael Meir
- Department of General, Visceral, Transplant, Vascular and Pediatric Surgery, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Katja Maurus
- Institute of Pathology, University of Wuerzburg, Wuerzburg, Germany
| | - Jochen Kuper
- Rudolf Virchow Center for Integrative and Translational Bioimaging, University of Wuerzburg, Wuerzburg, Germany
| | - Mohammed Hankir
- Department of General, Visceral, Transplant, Vascular and Pediatric Surgery, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Eva Wardelmann
- Gerhard-Domagk-Institute of Pathology, University Hospital Muenster, Albert-Schweitzer-Campus 1, Muenster, Germany
| | | | - Christoph-Thomas Germer
- Department of General, Visceral, Transplant, Vascular and Pediatric Surgery, University Hospital Wuerzburg, Wuerzburg, Germany.,Comprehensive Cancer Center, Mainfranken Josef-Schneider-Straße, Wuerzburg, Germany
| | - Armin Wiegering
- Department of General, Visceral, Transplant, Vascular and Pediatric Surgery, University Hospital Wuerzburg, Wuerzburg, Germany.,Comprehensive Cancer Center, Mainfranken Josef-Schneider-Straße, Wuerzburg, Germany.,Department of Biochemistry and Molecular Biology, Am Hubland, Wuerzburg, Germany
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Niu Q, Lu Y, Xu S, Shi Q, Guo B, Guo Z, Huang T, Wu Y, Yu J. Clinicopathological characteristics and survival outcomes of bladder neuroendocrine carcinomas: a population-based study. Cancer Manag Res 2018; 10:4479-4489. [PMID: 30349380 PMCID: PMC6190820 DOI: 10.2147/cmar.s175286] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Background Bladder neuroendocrine carcinomas (BNECs) are relatively a rare type of tumor. The aim of this study was to examine the clinicopathological characteristics and predictors of survival outcomes of patients with BNECs based on the analysis of the national Surveillance, Epidemiology, and End Results (SEER) database. Materials and methods Kaplan-Meier analysis with log-rank test was used for survival comparisons. Multivariate Cox regression model was employed to analyze the effect of different treatments on overall survival (OS) and cancer-specific survival (CSS). Results A total of 910 patients were identified between 2004 and 2014. Overall, 648 (71.2%) patients had small cell neuroendocrine carcinoma (SCNEC), 35 (3.8%) had large cell neuroendocrine carcinoma (LCNEC), 10 (1.1%) had carcinoid tumor (well-differentiated neuroendocrine tumor), 16 (1.8%) had paraganglioma/pheochromocytoma (PGL/PHEO), 619 (68.0%) had a poorly differentiated or undifferentiated histology grade, 214 (23.5%) presented with metastatic disease, 586 (64.4%) underwent transurethral ablation/destruction for bladder tumor, and 245 (26.9%) had partial/total cystectomy. Cystectomy+chemotherapy+radiotherapy (CCR) has the highest long-term survival rate among various treatments. The 1-, 3-, and 5-years CSS of CCR were 56%, 56%, and 56%, respectively. By using multivariable Cox proportional hazard model, age, histology, N stage, SEER stage, tumor size, radiotherapy, chemotherapy, and local treatment of the primary site were identified as independent predictors for OS and CSS; all P<0.05. Conclusion In BNEC, SCNEC has an absolute advantage in number. SCNEC/LCNEC tend to be older men. PGL/PHEO and carcinoid tumors have younger mean ages, earlier tumor stages, and better prognosis than SCNEC/LCNEC. Surgery, radiotherapy and chemotherapy are better than conservative treatment. However, whatever cystectomy or bladder sparing, chemotherapy should be a major component of treatment.
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Affiliation(s)
- Quan Niu
- Department of Dalian Medical University, Dalian, Liaoning, People's Republic of China
| | - Youyi Lu
- Department of Urology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, People's Republic of China
| | - Shigao Xu
- Department of Urology, Subei People's Hospital of Jiangsu Province (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu, People's Republic of China,
| | - Qun Shi
- Department of Urology, Subei People's Hospital of Jiangsu Province (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu, People's Republic of China,
| | - Baoyu Guo
- Department of Dalian Medical University, Dalian, Liaoning, People's Republic of China
| | - Zhe Guo
- Department of Dalian Medical University, Dalian, Liaoning, People's Republic of China
| | - Tianbao Huang
- Department of Urology, Subei People's Hospital of Jiangsu Province (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu, People's Republic of China,
| | - Yinxia Wu
- Department of Oncology, Subei People's Hospital of Jiangsu Province (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu, People's Republic of China,
| | - Junjie Yu
- Department of Urology, Subei People's Hospital of Jiangsu Province (Clinical Medical College, Yangzhou University), Yangzhou, Jiangsu, People's Republic of China,
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CYLD Promotes TNF- α-Induced Cell Necrosis Mediated by RIP-1 in Human Lung Cancer Cells. Mediators Inflamm 2016; 2016:1542786. [PMID: 27738385 PMCID: PMC5055988 DOI: 10.1155/2016/1542786] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 08/12/2016] [Accepted: 08/18/2016] [Indexed: 11/23/2022] Open
Abstract
Lung cancer is one of the most common cancers in the world. Cylindromatosis (CYLD) is a deubiquitination enzyme and contributes to the degradation of ubiquitin chains on RIP1. The aim of the present study is to investigate the levels of CYLD in lung cancer patients and explore the molecular mechanism of CYLD in the lung cancer pathogenesis. The levels of CYLD were detected in human lung cancer tissues and the paired paracarcinoma tissues by real-time PCR and western blotting analysis. The proliferation of human lung cancer cells was determined by MTT assay. Cell apoptosis and necrosis were determined by FACS assay. The results demonstrated that low levels of CYLD were detected in clinical lung carcinoma specimens. Three pairs of siRNA were used to knock down the endogenous CYLD in lung cancer cells. Knockdown of CYLD promoted cell proliferation of lung cancer cells. Otherwise overexpression of CYLD induced TNF-α-induced cell death in A549 cells and H460 cells. Moreover, CYLD-overexpressed lung cancer cells were treated with 10 μM of z-VAD-fmk for 12 hours and the result revealed that TNF-α-induced cell necrosis was significantly enhanced. Additionally, TNF-α-induced cell necrosis in CYLD-overexpressed H460 cells was mediated by receptor-interacting protein 1 (RIP-1) kinase. Our findings suggested that CYLD was a potential target for the therapy of human lung cancers.
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Kouba E, Cheng L. Neuroendocrine Tumors of the Urinary Bladder According to the 2016 World Health Organization Classification: Molecular and Clinical Characteristics. Endocr Pathol 2016; 27:188-99. [PMID: 27334654 DOI: 10.1007/s12022-016-9444-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Neuroendocrine neoplasms of the urinary bladder are a rare type of tumor that account for a small percentage of urinary bladder neoplasms. These tumors of the urinary bladder range from well-differentiated neuroendocrine neoplasms (carcinoids) to the more aggressive subtypes such as small cell carcinoma. Despite the rarity of the neuroendocrine tumors of the bladder, there has been substantial investigation into the underlying genomic, molecular, and the cellular alterations within this group of neoplasms. Accordingly, these findings are increasingly incorporated into the understanding of clinical aspects of these neoplasms. In this review, we provide an overview of recent literature related to the 2016 World Health Organization Classification of Neuroendocrine Tumors of the Urinary Bladder. Particular emphasis is placed on molecular alterations and recently described gene expression. The neuroendocrine tumors of the urinary bladder are subdivided into four subtypes. Similar to their pulmonary and other extrapulmonary site counterparts, these have different degrees of neuroendocrine differentiation and morphological features. The clinical aspects of four subtypes of neuroendocrine tumor are discussed with emphasis of the most recent developments in diagnosis, treatment, and prognosis. An understanding of molecular basis of neuroendocrine tumors will provide a base of knowledge for future investigations into this group of unusual bladder neoplasms.
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Affiliation(s)
- Erik Kouba
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, 350 West 11th Street, IUHPL Room 4010, Indianapolis, IN, 46202, USA
| | - Liang Cheng
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, 350 West 11th Street, IUHPL Room 4010, Indianapolis, IN, 46202, USA.
- Department of Urology, Indiana University School of Medicine, Indianapolis, USA.
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