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6 Results Found

  • Article
  • Open Access
2 Citations
2,593 Views
21 Pages

The Alternative TrkAIII Splice Variant, a Targetable Oncogenic Participant in Human Cutaneous Malignant Melanoma

  • Lucia Cappabianca,
  • Veronica Zelli,
  • Cristina Pellegrini,
  • Michela Sebastiano,
  • Rita Maccarone,
  • Marco Clementi,
  • Alessandro Chiominto,
  • Pierdomenico Ruggeri,
  • Ludovica Cardelli and
  • Marianna Ruggieri
  • + 5 authors

5 January 2023

Post-therapeutic relapse, poor survival rates and increasing incidence justify the search for novel therapeutic targets and strategies in cutaneous malignant melanoma (CMM). Within this context, a potential oncogenic role for TrkA in CMM is suggested...

  • Article
  • Open Access
5 Citations
3,030 Views
23 Pages

Doxorubicin-Induced TrkAIII Activation: A Selection Mechanism for Resistant Dormant Neuroblastoma Cells

  • Lucia Cappabianca,
  • Michela Sebastiano,
  • Marianna Ruggieri,
  • Maddalena Sbaffone,
  • Veronica Zelli,
  • Antonietta Rosella Farina and
  • Andrew Reay Mackay

17 September 2022

Patients with advanced neuroblastoma (NB) receive multimodal clinical therapy, including the potent anthracycline chemotherapy drug doxorubicin (Dox). The acquisition of Dox resistance, however, is a major barrier to a sustained response and leads to...

  • Article
  • Open Access
1 Citations
1,903 Views
16 Pages

A TaqMan-Based qRT-PCR Assay for Accurate Evaluation of the Oncogenic TrkAIII Splice Variant in Tumor cDNAs

  • Maddalena Sbaffone,
  • Antonietta Rosella Farina,
  • Ilaria Martelli,
  • Eugenio Pontieri,
  • Stefano Guadagni,
  • Andrew Reay Mackay,
  • Lucia Cappabianca and
  • Veronica Zelli

30 January 2025

Background: Alternative NTRK1/TrkA splicing resulting in TrkAIII expression, originally discovered in advanced-stage metastatic neuroblastomas, is also pronounced in prostate, medullary thyroid, glioblastoma multiforme, MCPyV-positive Merkel cell, cu...

  • Article
  • Open Access
2 Citations
2,708 Views
35 Pages

Molecular Characterization and Inhibition of a Novel Stress-Induced Mitochondrial Protecting Role for Misfolded TrkAIII in Human SH-SY5Y Neuroblastoma Cells

  • Lucia Cappabianca,
  • Marianna Ruggieri,
  • Michela Sebastiano,
  • Maddalena Sbaffone,
  • Ilaria Martelli,
  • Pierdomenico Ruggeri,
  • Monica Di Padova,
  • Antonietta Rosella Farina and
  • Andrew Reay Mackay

Pediatric neuroblastomas (NBs) are heterogeneous, aggressive, therapy-resistant embryonal tumors that originate from cells of neural crest origin committed to the sympathoadrenal progenitor cell lineage. Stress- and drug-resistance mechanisms drive p...

  • Article
  • Open Access
1 Citations
2,546 Views
20 Pages

A Study of Alternative TrkA Splicing Identifies TrkAIII as a Novel Potentially Targetable Participant in PitNET Progression

  • Maddalena Sbaffone,
  • Marie-Lise Jaffrain-Rea,
  • Lucia Cappabianca,
  • Francesca Carbonara,
  • Francesca Gianno,
  • Tiziana Feola,
  • Marianna Ruggieri,
  • Veronica Zelli,
  • Rita Maccarone and
  • Stefano Guadagni
  • + 7 authors

7 March 2024

Pituitary neuroendocrine tumors (PitNETs) are generally benign but comprise an aggressive, invasive, therapy-resistant, metastatic subset, underpinning a need for novel therapeutic targets. PitNETs exhibit low mutation rates but are associated with c...

  • Article
  • Open Access
5 Citations
2,764 Views
17 Pages

Multidisciplinary Treatment, Including Locoregional Chemotherapy, for Merkel-Polyomavirus-Positive Merkel Cell Carcinomas: Perspectives for Patients Exhibiting Oncogenic Alternative Δ exon 6–7 TrkAIII Splicing of Neurotrophin Receptor Tropomyosin-Related Kinase A

  • Stefano Guadagni,
  • Antonietta Rosella Farina,
  • Lucia Annamaria Cappabianca,
  • Michela Sebastiano,
  • Rita Maccarone,
  • Veronica Zelli,
  • Marco Clementi,
  • Alessandro Chiominto,
  • Gemma Bruera and
  • Enrico Ricevuto
  • + 3 authors

3 November 2020

Merkel cell carcinomas (MCCs) are rare, aggressive, cutaneous neuroendocrine tumours, approximately 80% of which are caused by the genomic integration of Merkel cell polyomavirus (MCPyV). MCPyV-positive MCCs carry poor prognosis in approximately 70%...