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Sheng J, Li T, Xu H, Xu R, Cai X, Zhang H, Ji Q, Duan X, Xia W, Yang X. Evaluation of clinical and imaging features for differentiating rhabdomyosarcoma from neuroblastoma in pediatric soft tissue. Front Oncol 2024; 14:1289532. [PMID: 38406807 PMCID: PMC10884217 DOI: 10.3389/fonc.2024.1289532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 01/16/2024] [Indexed: 02/27/2024] Open
Abstract
Background In this study, we developed a nomogram predictive model based on clinical, CT, and MRI parameters to differentiate soft tissue rhabdomyosarcoma (RMS) from neuroblastoma (NB) in children preoperatively. Materials and methods A total of 103 children with RMS (n=37) and NB (n=66) were enrolled in the study from December 2012 to July 2023. The clinical and imaging data (assessed by two experienced radiologists) were analyzed using univariate analysis, and significant factors were further analyzed by multivariable logistic regression using the forward LR method to develop the clinical model, radiological model, and integrated nomogram model, respectively. The diagnostic performances, goodness of fit, and clinical utility of the integrated nomogram model were assessed using the area under the curve (AUC) of the receiver operator characteristics curve (ROC) with a 95% confidence interval (95% CI), calibration curve, and decision curve analysis (DCA) curves, respectively. Diagnostic efficacy between the model and radiologists' interpretations was examined. Results The median age at diagnosis in the RMS group was significantly older than the NB group (36.0 months vs. 14.5 months; P=0.003); the fever rates in RMS patients were significantly lower than in patients with NB (0.0% vs.16.7%; P=0.022), and the incidence of palpable mass was higher in patients with RMS compared with the NB patients (89.2% vs. 34.8%; P<0.001). Compare NB on image features: RMS occurred more frequently in the head and neck and displayed homogeneous density on non-enhanced CT than NB (48.6% vs. 9.1%; 35.3% vs. 13.8%, respectively; all P<0.05), and the occurrence of characteristics such as calcification, encasing vessels, and intraspinal tumor extension was significantly less frequent in RMS children compared to children with NB (18.9% vs. 84.8%; 13.5% vs. 34.8%; 2.7% vs. 50.0%, respectively; all P <0.05). Two, three, and four features were identified as independent parameters by multivariate logistic regression analysis to develop the clinical, radiological, and integrated nomogram models, respectively. The AUC value (0.962), calibration curve, and DCA showed that the integrated nomogram model may provide better diagnostic performance, good agreement, and greater clinical net benefits than the clinical model, radiological model, and radiologists' subjective diagnosis. Conclusion The clinical and imaging features-based nomogram has potential for helping radiologists distinguish between pediatric soft tissue RMS and NB patients preoperatively, and reduce unnecessary interventions.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Xiujun Yang
- Department of Radiology, Shanghai Children’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Rostovtsev N, Polyakov V, Kuzmina N. Photodynamic Therapy in Complex Therapy of Retroperitoneal Tumors in Children. Radiat Oncol 2022. [DOI: 10.5772/intechopen.101884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
During the period from 2009 to 2021, 93 patients aged 0–11 years (48 boys and 45 girls) with retroperitoneal tumors were treated. There were 66 patients with nephroblastoma and 27 patients with adrenal neuroblastoma among them. As per treatment strategies, the patients were separated into two groups: the control group and the study group. The control group (comparison) received therapy according to the protocols, whereas the study group consisted of patients who received photodynamic therapy (PDT) in addition to the standard treatment. The control group consists of 47 patients with retroperitoneal tumors, including 35 patients with nephroblastoma and 12 patients with adrenal neuroblastoma. The study group included 46 children: 31 patients with nephroblastoma and 15 patients with adrenal neuroblastoma. The 5-year survival rate in the control group was 74.5%, and it was 91.3% in the study group (p = 0.030). Recurrent tumors developed in 14.9% of the patients in the control group, while in the study group, relapse occurred in 8.7% of the patients (p = 0.357). The PDT used in this study for treatment of retroperitoneal tumors improves the results of surgical treatment. It also appreciably increases the survival rate of patients with retroperitoneal tumors. Overall, PDT is a hopeful antitumor approach and can be effectively used in the complex therapy of retroperitoneal tumors in children.
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Li H, Chen P, Chen L, Wang X. The Natural Flavonoid Naringenin Inhibits the Cell Growth of Wilms Tumor in Children by Suppressing TLR4/NF-κB Signaling. Anticancer Agents Med Chem 2021; 21:1120-1126. [PMID: 32819237 DOI: 10.2174/1871520620999200818155814] [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: 04/28/2020] [Revised: 07/19/2020] [Accepted: 07/31/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Nuclear Factor-kappa B (NF-κB) is usually activated in Wilms Tumor (WT) cells and plays a critical role in WT development. OBJECTIVE The study's purpose was to screen for a NF-κB inhibitor from the natural product library and explore its effects on WT development. METHODS Luciferase assay was employed to assess the effects of natural chemicals on NF-κB activity. CCK-8 assay was conducted to assess cell growth in response to naringenin. WT xenograft model was established to analyze the effect of naringenin in vivo. Quantitative real-time PCR and Western blot were performed to examine the mRNA and protein levels of relative genes, respectively. RESULTS Naringenin displayed a significant inhibitory effect on NF-κB activation in SK-NEP-1 cells. In SKNEP- 1 and G-401 cells, naringenin inhibited p65 phosphorylation. Moreover, naringenin suppressed TNF-α- induced p65 phosphorylation in WT cells. Naringenin inhibited TLR4 expression at both mRNA and protein levels in WT cells. CCK-8 staining showed that naringenin inhibited cell growth of the two above WT cells in doseand time-dependent manner, whereas Toll-Like Receptor 4 (TLR4) overexpression partially reversed the above phenomena. Besides, naringenin suppressed WT tumor growth in a dose- and time-dependent manner in vivo. Western blot found that naringenin inhibited TLR4 expression and p65 phosphorylation in WT xenograft tumors. CONCLUSION Naringenin inhibits WT development via suppressing TLR4/NF-κB signaling.
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Affiliation(s)
- Hongtao Li
- Department of Pediatric Surgery, Cangzhou Central Hospital, No.16 Xinhua West Road, Cangzhou 061000, Hebei, China
| | - Peng Chen
- Department of Anesthesiology, Cangzhou Central Hospital, No.16 Xinhua West Road, Cangzhou 061000, Hebei, China
| | - Lei Chen
- Department of Pediatric Surgery, Cangzhou Central Hospital, No.16 Xinhua West Road, Cangzhou 061000, Hebei, China
| | - Xinning Wang
- Department of Pediatric Surgery, Cangzhou Central Hospital, No.16 Xinhua West Road, Cangzhou 061000, Hebei, China
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Athey JM, Rice LE, Harvey AB, Washburn KE, Rodrigues-Hoffmann A. Nasopharyngeal nephroblastoma in a 3-month-old Boer goat. J Vet Diagn Invest 2020; 33:108-111. [PMID: 33112213 DOI: 10.1177/1040638720969698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
A 3-mo-old, female Boer goat was presented because of respiratory difficulties. Tachypnea and inspiratory dyspnea were noted during physical examination. Thoracic radiographs were unremarkable; however, upper airway and nasal passage radiographs revealed a soft tissue mass within the nasal passages. The patient underwent cardiorespiratory arrest and did not respond to resuscitation efforts during endoscopy. A large, pedunculated, semi-firm mass originated from the soft palate and obstructed 90% of the nasopharynx on autopsy. Histologically, the mass was composed of primitive cells that multifocally formed tubules and glomeruloid structures intermingled with areas of fusiform and blastemal cells. The neoplastic cells were positive for cytokeratin (tubular and glomeruloid cells), vimentin (fusiform population and blastemal cells), and Wilms tumor 1 protein (glomeruloid structures) on immunohistochemistry, consistent with a triphasic nephroblastoma. To our knowledge, nasopharyngeal nephroblastoma has not been reported previously in any species.
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Affiliation(s)
- Jillian M Athey
- Departments of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX
| | - Laura E Rice
- Departments of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX
| | - Aja B Harvey
- Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX
| | - Kevin E Washburn
- Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX
| | - Aline Rodrigues-Hoffmann
- Departments of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX
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Jnah AJ, Evans SK, Sewell K, Trembath A. Neuroblastoma in a Neonate: A Case Report. Neonatal Netw 2020; 38:341-347. [PMID: 31712398 DOI: 10.1891/0730-0832.38.6.341] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/12/2019] [Indexed: 11/25/2022]
Abstract
Neuroblastoma represents approximately 6 to 10 percent of childhood cancers, yet is one of the most common solid tumors observed in neonates; approximately 700 cases are reported in the United States each year. Neuroblastoma occurs secondary to oncogene mutations that cause abnormal proliferation of neural crest cells and tumor formation anywhere along the spinal cord. Visible manifestations include a blueberry rash and subcutaneous skin nodules. Common histologic findings include multifocal, small, round, blue cell tumors. Cytogenetics testing differentiates aggressive versus nonaggressive forms of neuroblastoma. Treatment ranges from supportive care to surgery and chemotherapy; targeted molecular therapies and immunotherapy offer opportunity to individualize treatment. Morbidity and mortality are contingent upon age at diagnosis and genetic abnormalities. Neonatal clinicians must establish and maintain active knowledge of the current science pertaining to this neoplasm to assist in early identification and timely initiation of medical management. This article presents a case report and comprehensive discussion of the state of the science on metastatic familial (congenital) neuroblastoma.
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Zhao W, Li J, Li P, Guo F, Gao P, Zhang J, Yan Z, Wang L, Zhang D, Qin P, Zhao G, Wang J. Wilms tumor-suppressing peptide inhibits proliferation and induces apoptosis of Wilms tumor cells in vitro and in vivo. J Cancer Res Clin Oncol 2019; 145:2457-2468. [DOI: 10.1007/s00432-019-03003-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 08/09/2019] [Indexed: 11/30/2022]
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Cheng YF, Wang XM, Yan M, Xiao JG. [Expression of the Fra-1 gene in the peripheral blood of children with Wilms tumor]. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2019; 21:161-164. [PMID: 30782279 PMCID: PMC7389833 DOI: 10.7499/j.issn.1008-8830.2019.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 01/07/2019] [Indexed: 06/09/2023]
Abstract
OBJECTIVE To study the expression of the Fra-1 gene in the peripheral blood of children with Wilms tumor and its clinical significance. METHODS Fifty children pathologically diagnosed with Wilms tumor between December 2012 and January 2018 were enrolled as the case group, and 40 healthy children for physical examination were selected as the control group. Among the 45 children with Wilms tumor who were followed up, the children with continuous remission were included in the ideal efficacy group (n=33), and those with recurrence, metastasis or death were included in the poor efficacy group (n=12). Peripheral blood samples were collected from all subjects. Quantitative real-time PCR was used to measure the mRNA expression of Fra-1. RESULTS The case group had significantly higher mRNA expression of Fra-1 in peripheral blood than the control group (P<0.05). In the case group, Fra-1 mRNA expression was significantly different between the individuals with and without distant metastasis and those with different TNM stages (P<0.05), but was not significantly different between the individuals with different sexes, ages, tumor diabetes, tumor locations and alpha-fetoprotein levels (P>0.05). The mRNA expression of Fra-1 was significantly lower in the ideal efficacy group than in the poor efficacy group (P<0.05). CONCLUSIONS Fra-1 may be involved in the development of Wilms tumor and plays a certain role in its development, invasion and metastasis, but the mechanism remains to be further studied.
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Affiliation(s)
- Yong-Feng Cheng
- Department of Pediatrics, First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, China.
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Ge W, Wang S. Retracted Article: Long noncoding RNA DLEU1 promotes cell proliferation and migration of Wilms tumor through the miR-300/HOXC8 axis. RSC Adv 2019; 9:40240-40247. [PMID: 35542655 PMCID: PMC9076220 DOI: 10.1039/c9ra07215b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 11/26/2019] [Indexed: 01/23/2023] Open
Abstract
Wilms tumor (nephroblastoma) is the most common primary renal tumor occurring in children. Long noncoding RNA (lncRNA) deleted in lymphocytic leukemia 1 (DLEU1) is an identified cancer-associated lncRNA that plays an important role in various cancers. However, the role of DLEU1 in Wilms tumor remains unclear. In the present study, we examined the expression and role of DLEU1 in Wilms tumor. We demonstrated that DLEU1 expression was upregulated in Wilms tumor tissues and cell lines. Knockdown of DLEU1 significantly inhibited the proliferation, migration and invasion of GHINK-1 cells. Furthermore, DLEU1 directly sponged miR-300 and regulated the expression level of miR-300 in GHINK-1 cells. Inhibition of miR-300 reversed the inhibitory effects of DLEU1 downregulation on cell proliferation, migration and invasion. Homeobox C8 (HOXC8) was found to be a target gene of miR-300 and mediated the role of miR-300 in GHINK-1 cells. In conclusion, these findings indicated that DLEU1 executed an oncogenic role in Wilms tumor via regulating the miR-300/HOXC8 axis, indicating that DLEU1 might be a therapeutic target for the treatment of Wilms tumor. Wilms tumor (nephroblastoma) is the most common primary renal tumor occurring in children.![]()
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Affiliation(s)
- Wen'an Ge
- Department of Urology
- Xi'an Children's Hospital
- Xi'an 710003
- China
| | - Shengxing Wang
- Department of Urology
- Xi'an Children's Hospital
- Xi'an 710003
- China
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Bryant VA, Booth J, Palm L, Ashworth M, Jacques TS, Sebire NJ. Childhood neoplasms presenting at autopsy: A 20-year experience. Pediatr Blood Cancer 2017; 64. [PMID: 28164435 DOI: 10.1002/pbc.26474] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Revised: 01/05/2017] [Accepted: 01/06/2017] [Indexed: 12/31/2022]
Abstract
OBJECTIVE The aims of the review are to establish the number of undiagnosed neoplasms presenting at autopsy in a single centre and to determine the incidence and most common causes of sudden unexpected death due to neoplasia in infancy and childhood (SUDNIC). DESIGN Retrospective observational study of paediatric autopsies performed on behalf of Her Majesty's Coroner over a 20-year period (1996-2015; n = 2,432). Neoplasms first diagnosed at autopsy were identified from an established database and cases meeting the criteria for sudden unexpected death were further categorised. RESULTS Thirteen previously undiagnosed neoplasms were identified, including five haematological malignancies, two medulloblastomas, two neuroblastomas, two cardiac tumours and two malignancies of renal origin. Eight cases met the criteria for SUDNIC (0.33% of autopsies), the commonest group of which were haematological malignancies (n = 3). CONCLUSIONS Neoplasms presenting as unexpected death in infancy and childhood and diagnosed at autopsy are rare. The findings suggest that haematological malignancies are the commonest cause of SUDNIC and highlight the importance of specialist autopsy in cases of sudden unexpected death.
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Affiliation(s)
- Victoria A Bryant
- UCL Great Ormond Street Institute of Child Health, Great Ormond Street Hospital for Children, London, UK
| | - John Booth
- Department of Paediatric Pathology, Great Ormond Street Hospital for Children, London, UK
| | - Liina Palm
- Department of Paediatric Pathology, Great Ormond Street Hospital for Children, London, UK
| | - Michael Ashworth
- Department of Paediatric Pathology, Great Ormond Street Hospital for Children, London, UK
| | - Thomas S Jacques
- UCL Great Ormond Street Institute of Child Health, Great Ormond Street Hospital for Children, London, UK.,Department of Paediatric Pathology, Great Ormond Street Hospital for Children, London, UK
| | - Neil J Sebire
- UCL Great Ormond Street Institute of Child Health, Great Ormond Street Hospital for Children, London, UK.,Department of Paediatric Pathology, Great Ormond Street Hospital for Children, London, UK
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Alvi S, Karadaghy O, Manalang M, Weatherly R. Clinical manifestations of neuroblastoma with head and neck involvement in children. Int J Pediatr Otorhinolaryngol 2017; 97:157-162. [PMID: 28483228 DOI: 10.1016/j.ijporl.2017.04.013] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2017] [Revised: 04/04/2017] [Accepted: 04/06/2017] [Indexed: 12/17/2022]
Abstract
OBJECTIVE The purpose of our study is to review our 15-year experience with pediatric patients who have been diagnosed with neuroblastoma, and to determine their most frequent head and neck manifestations and symptoms. STUDY DESIGN Retrospective chart review of electronic medical record. SETTING An academic, tertiary care pediatric hospital. SUBJECTS AND METHODS IRB approval from the Office of Research Integrity at Children's Mercy Hospital was obtained. The hospital tumor database was analyzed to identify patients with neuroblastoma, ganglioneuroblastoma, and esthesioneuroblastoma diagnosed between 1997 and 2012. We recorded the various clinical signs and symptoms these patients displayed at their initial presentation, focusing on patients with head and neck involvement. We then determined the relative incidence of these various findings. RESULTS Our review yielded 118 patients diagnosed with neuroblastoma, ganglioneuroblastoma, or esthesioneuroblastoma over our 15 year study period. 7 of the 118 patients were diagnosed with primary tumors of the head and neck. Another 19 patients had metastatic head and neck involvement. For those with primary disease, presence of a neck mass and signs of Horner's syndrome were the most common findings. For metastatic disease, craniofacial bony metastasis was the most frequent finding in our study. CONCLUSIONS Based on our data, there are a handful of findings that occur frequently in pediatric head and neck neuroblastoma. Any persistent neck mass, unexplained Horner's syndrome, or periorbital ecchymosis should be carefully evaluated. This study should serve as an aid for the otolaryngologist to be aware of the possible manifestations of this malignancy in children.
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Affiliation(s)
- Sameer Alvi
- University of Kansas Medical Center, Department of Otolaryngology, Kansas City, KS, USA.
| | - Omar Karadaghy
- University of Missouri, Kansas City School of Medicine, Kansas City, MO, USA
| | - Michelle Manalang
- Children's Mercy Kansas City, Division of Hematology/Oncology/Bone Marrow Transplantation, Kansas City, MO, USA; University of Missouri, Kansas City School of Medicine, Kansas City, MO, USA
| | - Robert Weatherly
- Children's Mercy Kansas City, Department of Otolaryngology, Kansas City, MO, USA; University of Missouri, Kansas City School of Medicine, Kansas City, MO, USA
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11
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Wang Z, Shao M, Liu Y. Promotion of Wilms' tumor cells migration and invasion by mono-2-ethyhexyl phthalate (MEHP) via activation of NF-κB signals. Chem Biol Interact 2017; 270:1-8. [DOI: 10.1016/j.cbi.2017.04.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 04/05/2017] [Indexed: 12/19/2022]
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Comparison of Clinical Features and Outcomes in Patients With Bilateral Versus Unilateral Adrenal Neuroblastoma. J Pediatr Hematol Oncol 2017; 39:108-113. [PMID: 27820129 DOI: 10.1097/mph.0000000000000692] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND While nearly half of cases of neuroblastoma arise in one of the adrenal glands, bilateral origin is rare. We aimed to compare clinical characteristics and outcomes between patients with bilateral versus unilateral adrenal neuroblastoma. PROCEDURE We utilized the Surveillance, Epidemiology, and End Results database to identify patients with bilateral and unilateral adrenal neuroblastoma from 1973 to 2012. We used Fisher exact tests to compare demographics and clinical features between groups. We used Kaplan-Meier methods to describe the 5-year overall survival rate for these 2 groups. We conducted a literature review to complement the Surveillance, Epidemiology, and End Results data. RESULTS Of 1617 patients in the cohort, 1585 (98%) had unilateral disease and 32 (2%) had bilateral disease. Compared with patients with unilateral disease, a significantly greater proportion of patients with bilateral disease was below 1 year of age (53.1% vs. 31.8%; P=0.01) and had distant metastasis at diagnosis (90.6% vs. 69.0%; P=0.006). The 5-year overall survival rate for patients diagnosed with bilateral disease was 70.5% (95% confidence interval, 45.1%-85.8%), compared with 62.4% (95% confidence interval, 59.7%-65%) for patients with unilateral disease (P=0.26). CONCLUSIONS Compared with patients with unilateral disease, patients with bilateral adrenal neuroblastoma are younger, more likely to have distant metastasis, and have a favorable outcome.
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Maas SM, Vansenne F, Kadouch DJM, Ibrahim A, Bliek J, Hopman S, Mannens MM, Merks JHM, Maher ER, Hennekam RC. Phenotype, cancer risk, and surveillance in Beckwith-Wiedemann syndrome depending on molecular genetic subgroups. Am J Med Genet A 2016; 170:2248-60. [PMID: 27419809 DOI: 10.1002/ajmg.a.37801] [Citation(s) in RCA: 132] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Accepted: 05/29/2016] [Indexed: 12/22/2022]
Abstract
Patients with Beckwith-Wiedemann syndrome (BWS) have an increased risk to develop cancer in childhood, especially Wilms tumor and hepatoblastoma. The risk varies depending on the cause of BWS. We obtained clinical and molecular data in our cohort of children with BWS, including tumor occurrences, and correlated phenotype and genotype. We obtained similar data from larger cohorts reported in the literature. Phenotype, genotype and tumor occurrence were available in 229 of our own patients. Minor differences in phenotype existed depending on genotype/epigenotype, similar to earlier studies. By adding patients from the literature, we obtained data on genotype and tumor occurrence of in total 1,971 BWS patients. Tumor risks were highest in the IC1 (H19/IGF2:IG-DMR) hypermethylation subgroup (28%) and pUPD subgroup (16%) and were lower in the KCNQ1OT1:TSS-DMR (IC2) subgroup (2.6%), CDKN1C (6.9%) subgroup, and the group in whom no molecular defect was detectable (6.7%). Wilms tumors (median age 24 months) were frequent in the IC1 (24%) and pUPD (7.9%) subgroups. Hepatoblastoma occurred mostly in the pUPD (3.5%) and IC2 (0.7%) subgroups, never in the IC1 and CDKN1C subgroups, and always before 30 months of age. In the CDKN1C subgroup 2.8% of patients developed neuroblastoma. We conclude tumor risks in BWS differ markedly depending on molecular background. We propose a differentiated surveillance protocol, based on tumor risks in the various molecular subgroups causing BWS. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Saskia M Maas
- Department of Pediatrics, Academic Medical Center, Amsterdam, The Netherlands
- Department of Clinical Genetics, Academic Medical Center, Amsterdam, The Netherlands
| | - Fleur Vansenne
- Department of Clinical Genetics, University Medical Center Groningen, Groningen, The Netherlands
| | - Daniel J M Kadouch
- Department of Plastic Surgery, Academic Medical Center, Amsterdam, The Netherlands
| | - Abdulla Ibrahim
- Department of Medical Genetics, University of Cambridge and NHR Cambridge Biomedical Research Centre, Cambridge, United Kingdom
- Department of Clinical Genetics, University of Dundee, Ninewells Hospital and Medical School, Dundee, United Kingdom
| | - Jet Bliek
- Department of Clinical Genetics, DNA-Diagnostics Laboratory, Academic Medical Center, Amsterdam, The Netherlands
| | - Saskia Hopman
- Department of Genetics, University Medical Center, Utrecht, The Netherlands
| | - Marcel M Mannens
- Department of Clinical Genetics, DNA-Diagnostics Laboratory, Academic Medical Center, Amsterdam, The Netherlands
| | - Johannes H M Merks
- Department of Pediatrics, Academic Medical Center, Amsterdam, The Netherlands
| | - Eamonn R Maher
- Department of Medical Genetics, University of Cambridge and NHR Cambridge Biomedical Research Centre, Cambridge, United Kingdom
| | - Raoul C Hennekam
- Department of Pediatrics, Academic Medical Center, Amsterdam, The Netherlands
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Shi B, Li Y, Wang X, Yang Y, Li D, Liu X, Yang X. Silencing of hypoxia inducible factor-1α by RNA interference inhibits growth of SK-NEP-1 Wilms tumour cells in vitro, and suppresses tumourigenesis and angiogenesis in vivo. Clin Exp Pharmacol Physiol 2016; 43:626-33. [PMID: 27015631 DOI: 10.1111/1440-1681.12575] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 03/21/2016] [Accepted: 03/22/2016] [Indexed: 01/02/2023]
Abstract
Wilms tumour is the most common tumour of the pediatric kidney. Elevation of hypoxia-inducible factor 1α (HIF-1α) has been detected in 93% to 100% of human Wilms tumour specimens, suggesting a potential value of HIF-1α as a therapeutic target for Wilms tumour. In the present study, a stable HIF-1α-silenced Wilms tumour cell strain was established by introducing HIF-1α short-hairpin RNA (shRNA) into SK-NEP-1 cells. Silencing of HIF-1α significantly reduced single-cell growth capacity, suppressed proliferation and arrested cell cycle of SK-NEP-1 cells. In addition, reduction of HIF-1α expression induced apoptosis in SK-NEP-1 cells, which was accompanied by increased levels of cleaved caspase-3, cleaved poly (ADP-ribose) polymerase (PARP) and Bax as well as downregulation of Bcl-2 in the cells. Furthermore, when inoculated subcutaneously in nude mice, HIF-1α-silenced SK-NEP-1 cells displayed retarded tumour growth and impaired tumour angiogenesis. In summary, the findings of this study suggest that HIF-1α plays a critical role in the development of Wilms tumour, and it may serve as a candidate target of gene therapy for Wilms tumour.
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Affiliation(s)
- Bo Shi
- Department of Ultrasound Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ying Li
- Department of Ultrasound Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xiuli Wang
- Department of Paediatric Nephrology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yi Yang
- Department of Paediatric Urology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Dan Li
- Department of Pathology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xin Liu
- Department of Paediatric Urology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xianghong Yang
- Department of Pathology, Shengjing Hospital of China Medical University, Shenyang, China
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Lee D, Kim SS, Seong S, Cho W, Yu H. Stage IV Wilms Tumor Treated by Korean Medicine, Hyperthermia and Thymosin-α1: A Case Report. Case Rep Oncol 2016; 9:119-25. [PMID: 27293398 PMCID: PMC4899649 DOI: 10.1159/000443724] [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] [Indexed: 01/28/2023] Open
Abstract
INTRODUCTION Wilms tumor is one of general solid cancers that occur in children, which carries a death rate of 7-8 in a million. The cure rate of Wilms tumor in the recent 30 years has dramatically been improved, but a proper remedy is still not prepared enough in terms of application in tumor therapy upon recurrence after radiotherapy, surgery and chemotherapy. We present an integrative medical remedy - hyperthermia and thymosin-α1 treatment focused on herbal remedy - since there have been cases in which this remedy contributed to remission in the liver-transferred part in the 4th phase of Wilms tumor and stable maintenance of metastatic lung lesion. CASE PRESENTATION Our patient, a female Korean mongoloid outpatient, was treated from October 25, 2014, to July 22, 2015. The herbal remedy consisted of 8 ml inhalation of Soram nebulizer solution q.d., Soramdan S 8 g p.o., Hangamdan S 1 g p.o., t.i.d., Cheongjangtang 10-30 ml, and Spiam HC 8 g p.o. The integrative medical therapy was done with hyperthermia therapy (oncothermia) and 1.6 mg of thymosin-α1 treatment (Zadaxin) i.m. According to the CT result on July 15th, 2015, the liver metastasis was not seen anymore, while the lung metastasis was maintained stably without tumor progress. CONCLUSIONS Accompanying integrative medical therapy with herbal remedy in the treatment of Wilms tumor showing progress patterns after surgery and chemotherapy can be meaningful as a new remedy.
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Affiliation(s)
- Donghyun Lee
- Soram Hospital of Korean Medicine, Seoul, Republic of Korea
| | - Sung Su Kim
- Soram Hospital of Korean Medicine, Seoul, Republic of Korea
| | - Shin Seong
- Soram Hospital of Korean Medicine, Seoul, Republic of Korea
| | - Wonjun Cho
- Soram Bio-Research Institute, Seoul, Republic of Korea
| | - Hyejin Yu
- Soram Bio-Research Institute, Seoul, Republic of Korea
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Rodrigues TC, Fidalgo F, da Costa CML, Ferreira EN, da Cunha IW, Carraro DM, Krepischi ACV, Rosenberg C. Upregulated genes at 2q24 gains as candidate oncogenes in hepatoblastomas. Future Oncol 2015; 10:2449-57. [PMID: 25525853 DOI: 10.2217/fon.14.149] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
AIM Cytogenetic data of hepatoblastomas, a rare embryonal tumor of the liver, mostly consist of descriptions of whole-chromosome aneuploidies and large chromosome alterations. High-resolution cytogenetics may provide clues to hepatoblastoma tumorigenesis and indicate markers with clinical significance. PATIENTS & METHODS We used array-CGH (180K) to screen for genomic imbalances in nine hepatoblastomas. Additionally, we investigated the expression pattern of selected genes exhibiting copy number changes. RESULTS Analysis showed mainly whole-chromosome or chromosome-arm aneuploidies, but some focal aberrations were also mapped. Expression analysis of 48 genes mapped at one 10 Mb amplification at 2q24 revealed upregulation of DAPL1, ERMN, GALNT5, SCN1A and SCN3A in the set of tumors compared with differentiated livers. CONCLUSION These genes appear as candidates for hepatoblastoma tumorigenesis.
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Affiliation(s)
- Tatiane Cristina Rodrigues
- Department of Genetics & Evolutionary Biology, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
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de Oliveira Schiavon JL, Tostes VS, Regacini R, Lederman HM. MRI Evaluation of Pediatric Malignant Abdominal Tumors. CURRENT RADIOLOGY REPORTS 2015. [DOI: 10.1007/s40134-015-0111-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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18
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Yan-Fang T, Zhi-Heng L, Li-Xiao X, Fang F, Jun L, Gang L, Lan C, Na-Na W, Xiao-Juan D, Li-Chao S, Wen-Li Z, Pei-Fang X, He Z, Guang-Hao S, Yan-Hong L, Yi-Ping L, Yun-Yun X, Hui-Ting Z, Yi W, Mei-Fang J, Lin L, Jian N, Shao-Yan H, Xue-Ming Z, Xing F, Jian W, Jian P. Molecular Mechanism of the Cell Death Induced by the Histone Deacetylase Pan Inhibitor LBH589 (Panobinostat) in Wilms Tumor Cells. PLoS One 2015; 10:e0126566. [PMID: 26176219 PMCID: PMC4503685 DOI: 10.1371/journal.pone.0126566] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Accepted: 04/03/2015] [Indexed: 01/20/2023] Open
Abstract
Background Wilms tumor (WT) is an embryonic kidney cancer, for which histone acetylation might be a therapeutic target. LBH589, a novel targeted agent, suppresses histone deacetylases in many tumors. This study investigated the antitumor activity of LBH589 in SK-NEP-1 and G401 cells. Methods SK-NEP-1 and G401 cell growth was assessed by CCK-8 and in nude mice experiments. Annexin V/propidium iodide staining followed by flow cytometry detected apoptosis in cell culture. Gene expressions of LBH589-treated tumor cells were analyzed using an Arraystar Human LncRNA Array. The Multi Experiment View cluster software analyzed the expression data. Differentially expressed genes from the cluster analyses were imported into the Ingenuity Pathway Analysis tool. Results LBH589 inhibited cell proliferation of SK-NEP-1 and G401 cells in a dose-dependent manner. Annexin V, TUNEL and Hochest 33342 staining analysis showed that LBH589-treated cells showed more apoptotic features compared with the control. LBH589 treatment inhibited the growth of SK-NEP-1 xenograft tumors in nude mice. Arraystar Human LncRNA Array analysis of genes and lncRNAs regulated by LBH589 identified 6653 mRNAs and 8135 lncRNAs in LBH589-treated SK-NEP-1 cells. The most enriched gene ontology terms were those involved in nucleosome assembly. KEGG pathway analysis identified cell cycle proteins, including CCNA2, CCNB2, CCND1, CCND2, CDK4, CDKN1B and HDAC2, etc. Ingenuity Pathway Analysis identified important upstream molecules: HIST2H3C, HIST1H4A, HIST1A, HIST1C, HIST1D, histone H1, histone H3, RPRM, HSP70 and MYC. Conclusions LBH589 treatment caused apoptosis and inhibition of cell proliferation of SK-NEP-1and G401 cells. LBH589 had a significant effect and few side effects on SK-NEP-1 xenograft tumors. Expression profiling, and GO, KEGG and IPA analyses identified new targets and a new “network” of genes responding to LBH589 treatment in SK-NEP-1 cells. RPRM, HSP70 and MYC may be important regulators during LBH589 treatment. Our results provide new clues to the proapoptotic mechanism of LBH589.
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Affiliation(s)
- Tao Yan-Fang
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Li Zhi-Heng
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Xu Li-Xiao
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Fang Fang
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Lu Jun
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Li Gang
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Cao Lan
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Wang Na-Na
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Du Xiao-Juan
- Department of Gastroenterology, the 5th Hospital of Chinese PLA, Yin chuan, China
| | - Sun Li-Chao
- Department of Cell and Molecular Biology, Cancer Institute (Hospital), Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China
| | - Zhao Wen-Li
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Xiao Pei-Fang
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Zhao He
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Su Guang-Hao
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Li Yan-Hong
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Li Yi-Ping
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Xu Yun-Yun
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Zhou Hui-Ting
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Wu Yi
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Jin Mei-Fang
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Liu Lin
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Ni Jian
- Translational Research Center, Second Hospital, The Second Clinical School, Nanjing Medical University, Nanjing, China
| | - Hu Shao-Yan
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Zhu Xue-Ming
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Feng Xing
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
| | - Wang Jian
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
- * E-mail: (PJ); (WJ)
| | - Pan Jian
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
- * E-mail: (PJ); (WJ)
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Abstract
Both benign and malignant pelvic masses are encountered in the pediatric population. Although ultrasonography remains the modality of choice for initial evaluation of a pediatric pelvic mass, in selected cases magnetic resonance (MR) imaging can add important diagnostic information. MR imaging has several advantages over ultrasonography and computed tomography, including superior contrast resolution and an ability to characterize abnormalities based on unique tissue characteristics. MR evaluation assists in lesion characterization, presurgical planning, and staging when a malignancy is suspected. MR imaging also offers a nonionizing imaging modality for long-term follow-up of patients undergoing therapy for malignant pelvic masses.
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Affiliation(s)
- Deepa R Pai
- Section of Pediatric Radiology, Department of Radiology, C.S. Mott Children's Hospital, University of Michigan Health System, 1540 E. Hospital Drive, Ann Arbor, MI 48109-4252, USA
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Salem KMI, Visser J, Quraishi NA. Trans-oral approach for the management of a C2 neuroblastoma. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2014; 24:170-6. [PMID: 24549386 DOI: 10.1007/s00586-014-3216-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Revised: 01/19/2014] [Accepted: 01/23/2014] [Indexed: 11/30/2022]
Abstract
INTRODUCTION Neuroblastoma is the most common extra-cranial solid tumour in children. Metastasis in children to the upper cervical spine are quite rare. CASE REPORT An 8-year-old boy was referred to our service following a relapse of a right adrenal stage 4 neuroblastoma with a metastatic deposit in C2. This anterior tumour mass was pressing on the spinal cord with increasing pain in the base of skull, but without gross neurological deficit. He underwent urgent MRI and CT scans and then emergent surgery. The first stage was a posterior stabilization from occiput to C5 with a posterior decompression from C1 to C3 followed by a trans-oral approach to resect the main anterior tumour mass and reconstruction. CONCLUSION This is the first report of the use of a trans-oral approach to address a neuroblastoma lesion in the axial spine. This approach was used effectively to achieve local tumour clearance confirmed at 1-year follow-up. Pertinent information to the spinal surgeon on neuroblastoma and the use of the trans-oral approach to the axial spine are discussed.
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Affiliation(s)
- K M I Salem
- Centre for Spinal Studies and Surgery, Queen's Medical Centre Campus, Nottingham University Hospital NHS Trust, Nottingham, NG7 2UH, UK
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21
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Bechtel AS, Gauger CA. Sacrococcygeal Teratoma With Multiple Recurrences by Intradural Extension in the Neonate: A Common Neonatal Mass With an Unusual Course. Glob Pediatr Health 2014; 1:2333794X14560820. [PMID: 27335921 PMCID: PMC4804681 DOI: 10.1177/2333794x14560820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Dénes FT, Duarte RJ, Cristófani LM, Lopes RI. Pediatric genitourinary oncology. Front Pediatr 2013; 1:48. [PMID: 24400293 PMCID: PMC3864259 DOI: 10.3389/fped.2013.00048] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Accepted: 12/02/2013] [Indexed: 02/03/2023] Open
Abstract
Tumors of the kidney, bladder, prostate, testis, and adrenal represent a large part of the adult urologic practice, but are relatively infrequent in children. The natural history and management of these tumors in the pediatric age is different from that of the adults. As result of the successful work of several clinical trial groups in recent decades, there has been a significant improvement in their cure rates. The aim of this article is to review their most significant clinical aspects, as well as to present an update in their management.
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Affiliation(s)
- Francisco Tibor Dénes
- Uropediatric Unit, Division of Urology, Hospital das Clínicas, University of São Paulo , São Paulo , Brazil
| | - Ricardo Jordão Duarte
- Uropediatric Unit, Division of Urology, Hospital das Clínicas, University of São Paulo , São Paulo , Brazil
| | - Lílian Maria Cristófani
- Pediatric Onco-Hematology Unit, Department of Pediatrics, Hospital das Clínicas, University of São Paulo , São Paulo , Brazil
| | - Roberto Iglesias Lopes
- Uropediatric Unit, Division of Urology, Hospital das Clínicas, University of São Paulo , São Paulo , Brazil
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Allan BJ, Parikh PP, Diaz S, Perez EA, Neville HL, Sola JE. Predictors of survival and incidence of hepatoblastoma in the paediatric population. HPB (Oxford) 2013; 15:741-6. [PMID: 23600968 PMCID: PMC3791112 DOI: 10.1111/hpb.12112] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Accepted: 03/17/2013] [Indexed: 12/12/2022]
Abstract
OBJECTIVES This study evaluates current trends in incidence, clinical outcomes and factors predictive of survival in children with hepatoblastoma (HB). METHODS The Surveillance, Epidemiology and End Results (SEER) database was queried for the period 1973-2009 for all patients aged <20 years with HB. RESULTS A total of 606 patients were identified. The age-adjusted incidence was 0.13 patients per 100 000 in 2009. An annual percentage change of 2.18% (95% confidence interval (CI) 1.10-3.27; P < 0.05) was seen over the study period. Overall survival rates at 5, 10 and 20 years were 63%, 61% and 59%, respectively. Ten-year survival rates significantly improved in patients with resectable disease who underwent operative treatment in comparison with those with non-resectable HB (86% versus 39%; P < 0.0001). Multivariate analysis showed surgical treatment (hazard ratio (HR) = 0.23, 95% CI 0.17-0.31; P < 0.0001), Hispanic ethnicity (HR = 0.61, 95% CI 0.43-0.89; P = 0.01), local disease at presentation (HR = 0.43, 95% CI 0.29-0.63; P < 0.0001) and age < 5 years (HR = 0.63, 95% CI 0.41-0.95; P < 0.03) to be independent prognostic factors of survival. CONCLUSIONS The incidence of paediatric HB has increased over time. Hepatoblastoma is almost exclusively seen in children aged < 5 years. When HB presents after the age of 5 years, the prognosis is most unfavourable. Tumour extirpation markedly improves survival in paediatric patients with local disease.
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Affiliation(s)
- Bassan J Allan
- Division of General Surgery, University of Miami Miller School of MedicineMiami, FL, USA
| | - Punam P Parikh
- Division of General Surgery, University of Miami Miller School of MedicineMiami, FL, USA
| | - Sofia Diaz
- Division of General Surgery, University of Miami Miller School of MedicineMiami, FL, USA
| | - Eduardo A Perez
- Division of Paediatric Surgery, DeWitt-Daughtry Family Department of Surgery, University of Miami Miller School of MedicineMiami, FL, USA
| | - Holly L Neville
- Division of Paediatric Surgery, DeWitt-Daughtry Family Department of Surgery, University of Miami Miller School of MedicineMiami, FL, USA
| | - Juan E Sola
- Division of Paediatric Surgery, DeWitt-Daughtry Family Department of Surgery, University of Miami Miller School of MedicineMiami, FL, USA
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Zhang L, Marrano P, Kumar S, Leadley M, Elias E, Thorner P, Baruchel S. Nab-paclitaxel is an active drug in preclinical model of pediatric solid tumors. Clin Cancer Res 2013; 19:5972-83. [PMID: 23989978 DOI: 10.1158/1078-0432.ccr-13-1485] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
PURPOSE To investigate the antitumor effect of nab-paclitaxel, an albumin-stabilized nanoparticle formulation of paclitaxel, on pediatric solid tumor models. EXPERIMENTAL DESIGN A panel of three rhabdomyosarcoma, one osteosarcoma and seven neuroblastoma cell lines were exposed to increasing concentrations of nab-paclitaxel in vitro. Cell viability was evaluated using the Alamar Blue Assay. Antitumor effect was further assessed in vivo in NOD/SCID xenograft and metastatic neuroblastoma mouse models. Tumor sections were analyzed by immunohistochemistry for cleaved caspase-3 and phospho-histone H3. Plasma and intratumoral paclitaxel concentrations were measured by liquid chromatography-mass spectrometry. Ratio of intratumoral and plasma concentration was compared between nab-paclitaxel and paclitaxel treatment groups. RESULTS Nab-paclitaxel displayed significant cytotoxicity against most pediatric solid tumor cell lines in vitro in a dose-dependent manner. In vivo, nab-paclitaxel showed antitumor activity in both rhabdomyosarcoma (RH4 and RD) and neuroblastoma [SK-N-BE(2) and CHLA-20] xenograft models. In the SK-N-BE(2) metastatic model, nab-paclitaxel treatment significantly extended animal survival compared with control (P < 0.01). Nab-paclitaxel treatment induced tumor cell-cycle arrest and apoptosis in vivo. In the RH4 model, increased local relapse-free intervals were observed with nab-paclitaxel treatment (37.7 ± 3.2 days) comparing with paclitaxel (13.6 ± 2.07 days). Local relapsed tumors following paclitaxel treatment proved to be paclitaxel-resistant and remained responsive to nab-paclitaxel. Mechanistically, a higher tumor/plasma paclitaxel drug ratio in favor of nab-paclitaxel was observed. CONCLUSIONS Nab-paclitaxel showed significant antitumor activity against all pediatric solid tumors associated with an enhanced drug intratumor delivery. Furthermore, testing of nab-paclitaxel in pediatric solid-tumor patient population is under development.
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Affiliation(s)
- Libo Zhang
- Authors' Affiliations: New Agent and Innovative Therapy Program; Department of Paediatric Laboratory Medicine; Division of Hematology and Oncology, Department of Paediatrics, The Hospital for Sick Children; and Institute of Medical Sciences, University of Toronto, Toronto, Canada
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Abstract
Wilms' tumors (WT) constitute approximately 6-14% of all childhood cancers and about 95% of all pediatric renal malignancies. While prognostic factors for this malignancy are relatively well-defined, few studies have specifically examined the role of Hispanic ethnicity in pediatric WT survival. The purpose of this study was to compare WT survival among non-Hispanic white (NHW), non-Hispanic black (NHB), and Hispanic cases using data from the Surveillance, Epidemiology, and End Results (SEER) program. WT cases (ICD-O-3 histological code 8960) under age 20 were isolated from a recent subset of the SEER dataset (1990-2009). Demographics and tumor characteristics were compared by race/ethnicity, and 5- and 10-year survival probabilities were calculated. Multivariable Cox proportional hazards regression was used to assess the effects of race/ethnicity on WT survival, adjusting for relevant covariates. Hispanic ethnicity was significantly associated with WT-specific mortality hazard, controlling for age, sex, diagnosis/treatment era, laterality, SEER stage, cancer-directed surgery, and radiation therapy (HR: 1.52, 95% CI: 1.02-2.25). The results of this study suggest that Hispanic pediatric WT cases may have a higher risk of WT-related death, compared to NHW cases. Additional research on racial/ethnic disparities in WT survival is warranted.
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Affiliation(s)
- E Susan Amirian
- Department of Pediatrics, Baylor College of Medicine, Dan L Duncan Cancer Center, One Baylor Plaza, Houston, TX 77030, USA.
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Opioid growth factor (OGF) for hepatoblastoma: a novel non-toxic treatment. Invest New Drugs 2012; 31:1066-70. [DOI: 10.1007/s10637-012-9918-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2012] [Accepted: 12/17/2012] [Indexed: 10/27/2022]
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Tao YF, Lu J, Du XJ, Sun LC, Zhao X, Peng L, Cao L, Xiao PF, Pang L, Wu D, Wang N, Feng X, Li YH, Ni J, Wang J, Pan J. Survivin selective inhibitor YM155 induce apoptosis in SK-NEP-1 Wilms tumor cells. BMC Cancer 2012; 12:619. [PMID: 23267699 PMCID: PMC3543843 DOI: 10.1186/1471-2407-12-619] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2012] [Accepted: 12/21/2012] [Indexed: 12/11/2022] Open
Abstract
Background Survivin, a member of the family of inhibitor of apoptosis proteins, functions as a key regulator of mitosis and programmed cell death. YM155, a novel molecular targeted agent, suppresses survivin, which is overexpressed in many tumor types. The aim of this study was to determine the antitumor activity of YM155 in SK-NEP-1 cells. Methods SK-NEP-1 cell growth in vitro and in vivo was assessed by MTT and nude mice experiments. Annexin V/propidium iodide staining followed by flow cytometric analysis was used to detect apoptosis in cell culture. Then gene expression profile of tumor cells treated with YM155 was analyzed with real-time PCR arrays. We then analyzed the expression data with MEV (Multi Experiment View) cluster software. Datasets representing genes with altered expression profile derived from cluster analyses were imported into the Ingenuity Pathway Analysis tool. Results YM155 treatment resulted in inhibition of cell proliferation of SK-NEP-1cells in a dose-dependent manner. Annexin V assay, cell cycle, and activation of caspase-3 demonstrates that YM155 induced apoptosis in SK-NEP-1 cells. YM155 significantly inhibited growth of SK-NEP-1 xenografts (YM155 5 mg/kg: 1.45 ± 0.77 cm3; YM155 10 mg/kg: 0.95 ± 0.55 cm3) compared to DMSO group (DMSO: 3.70 ± 2.4 cm3) or PBS group cells (PBS: 3.78 ± 2.20 cm3, ANOVA P < 0.01). YM155 treatment decreased weight of tumors (YM155 5 mg/kg: 1.05 ± 0.24 g; YM155 10 mg/kg: 0.72 ± 0.17 g) compared to DMSO group (DMSO: 2.06 ± 0.38 g) or PBS group cells (PBS: 2.36 ± 0.43 g, ANOVA P < 0.01). Real-time PCR array analysis showed between Test group and control group there are 32 genes significantly up-regulated and 54 genes were significantly down-regulated after YM155 treatment. Ingenuity pathway analysis (IPA) showed cell death was the highest rated network with 65 focus molecules and the significance score of 44. The IPA analysis also groups the differentially expressed genes into biological mechanisms that are related to cell death, cellular function maintenance, cell morphology, carbohydrate metabolism and cellular growth and proliferation. Death receptor signaling (3.87E-19), TNFR1 signaling, induction of apoptosis by HIV1, apoptosis signaling and molecular mechanisms of cancer came out to be the top four most significant pathways. IPA analysis also showed top molecules up-regulated were BBC3, BIRC3, BIRC8, BNIP1, CASP7, CASP9, CD5, CDKN1A, CEBPG and COL4A3, top molecules down-regulated were ZNF443, UTP11L, TP73, TNFSF10, TNFRSF1B, TNFRSF25, TIAF1, STK17A, SST and SPP1, upstream regulator were NR3C1, TP53, dexamethasone , TNF and Akt. Conclusions The present study demonstrates that YM155 treatment resulted in apoptosis and inhibition of cell proliferation of SK-NEP-1cells. YM155 had significant role and little side effect in the treatment of SK-NEP-1 xenograft tumors. Real-time PCR array analysis firstly showed expression profile of genes dyes-regulated after YM155 treatment. IPA analysis also represents new molecule mechanism of YM155 treatment, such as NR3C1 and dexamethasone may be new target of YM155. And our results may provide new clues of molecular mechanism of apoptosis induced by YM155.
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Affiliation(s)
- Yan-Fang Tao
- Department of Hematology and Oncology, Children's Hospital of Soochow University, Suzhou, China
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