Immunolocalization of neurokinin 1 receptor in WHO grade 4 astrocytomas, oral squamous
cell and urothelial carcinoma

Riffat Mehboob; Maher Kurdi; Saleh Baeesa; Taher Fawzy Halawa; Imrana Tanvir; Yazid Maghrabi; Sahar Hakamy; Rothaina Saeedi; Rana Moshref; Hisham Nasief; Amber Hassan; Humaira Waseem; Shahida Rasool; Basem Bahakeem; Eyad Faizo; Yousef Katib; Ahmed Bamaga; Nashwa Aldardeir

doi:10.5114/fn.2022.116469

eISSN: 1509-572x
ISSN: 1641-4640

Folia Neuropathologica

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2/2022
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abstract:

Original paper

Immunolocalization of neurokinin 1 receptor in WHO grade 4 astrocytomas, oral squamous cell and urothelial carcinoma

Riffat Mehboob

¹

,

Maher Kurdi

²

,

Saleh Baeesa

³

,

Taher Fawzy Halawa

⁴

,

Imrana Tanvir

²

,

Yazid Maghrabi

⁵

,

Sahar Hakamy

⁶

,

Rothaina Saeedi

³

,

Rana Moshref

⁷

,

Hisham Nasief

⁸

,

Amber Hassan

⁹

,

Humaira Waseem

¹⁰

,

Shahida Rasool

¹

,

Basem Bahakeem

¹¹

,

Eyad Faizo

¹²

,

Yousef Katib

¹³

,

Ahmed K. Bamaga

^{14, 15}

,

Nashwa Aldardeir

¹⁶

Lahore Medical Research Center, LLP, Lahore, Pakistan
Department of Pathology, Faculty of Medicine in Rabigh, King Abdulaziz University, Saudi Arabia
Division of Neurosurgery, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
Department of Pediatrics, Rabigh Faculty of Medicine, King Abdulaziz University, Saudi Arabia
Neurosciences Department, King Faisal Specialist Hospital and Research Center, Jeddah, Saudi Arabia
Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Saudi Arabia
Section of Neurosurgery, King Abdulaziz Medical City, Jeddah, Saudi Arabia
Department of Obstetrics and Gynaecology, Faculty of Medicine, Jeddah, Saudi Arabia
University of Milan, Milan, Italy
Fatima Jinnah Medical University, Lahore, Pakistan
Faculty of Medicine, Umm-Alqura University, Makkah, Saudi Arabia
Division of Neurosurgery, Department of Surgery, Faculty of Medicine, Tabuk University, Tabuk, Saudi Arabia
Department of Radiology, Faculty of Medicine, Taibah University, Al Madinah Al Munawwarah, Saudi Arabia
Neurology Division, Paediatric Department, Faculty of Medicine, King Abdulaziz University Hospital, King Abdulaziz University, Jeddah, Saudi Arabia
Paediatric Department, King Faisal Specialist Hospital and Research Center, Jeddah, Saudi Arabia
Department of Obstetrics and Gynaecology, Faculty of Medicine, King Abdulaziz University, Saudi Arabia

Folia Neuropathol 2022; 60 (2): 165-176

DOI: https://doi.org/10.5114/fn.2022.116469

Online publish date: 2022/06/30

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Introduction
Neurokinin-1 receptor (NK-1R) induces inflammatory reactions in peripheral tissues but its regulatory effects in target tissues is dependent on receptor signalling. Substance P (SP) has a high affinity for the NK-1R, to which it binds preferentially. We aimed to investigate the expression of NK-1R in World Health Organization (WHO) grade 4 astrocytomas as well as in oral squamous cell carcinoma (OSCC) and urothelial carcinoma, and its association with disease progression.

Material and methods
The study included tissue samples from 19 brain astrocytomas, 40 OSCCs and 10 urothelial carcinomas. NK-1R expression was quantitatively assessed in the tumour cells using immunohistochemistry. The relationship between NK-1R expression in astrocytomas and recurrence-free interval has been explored.

Results
The results showed that the NK-1R was intensely expressed in patients with WHO grade 4 astrocytoma, OSCC and urothelial carcinoma. However, cases clinically diagnosed as a low-grade cancer showed reduced NK-1R expression.

Conclusions
NK-1R is overexpressed in all cases of WHO grade 4 astrocytoma, OSCC and urothelial carcinoma. The ubiquitous presence of SP/NK-1R complex during tumour development and progression suggests a possible therapeutic key strategy to use NK-1R antagonist as an adjuvant therapy in the future.

keywords:

Immunolocalization of neurokinin 1 receptor in WHO grade 4 astrocytomas, oral squamous cell and urothelial carcinoma

neurokinin-1 receptor, immunohistochemistry, substance P, immunolocalization, glioblastoma, oral squamous cell carcinoma, urothelial carcinoma