Expression of Collagen VI, Anticollagenase, Laminin, MM9, Claudins 1 and 5, N and E Cadherins in Choroid Plexus Tumors
Published on: 25th November, 2023
Background: CPTs are rare intraventricular papillary neoplasms derived from the choroid plexus epithelium. Anti-collagenase and extracellular matrix which have not been expressed in brain tumors. Objective: The purpose of this study was to investigate the expression levels of collagen type VI, anti-collagenase, laminin, MM9, claudins 1 and 5, N and E cadherins, and collagen VII, tejido, and collagen degradation enzyme complexes in choroid plexus tumors.Materials and methods: We studied the expression of adhesion molecules, extracellular matrix, and anticollagenase with an immunohistochemistry approach and electron microscopy analysis in 42 choroid plexus tumors. Results: 28(67%) were choroid plexus papillomas, 8 (19%) were atypical choroid plexus papillomas and 6 (14%) were choroid plexus carcinomas. The Ki67-li and MVD increased from CPC to ACPP, being the highest in malignant tumors as well as a strong immunoexpression of anti-collagenase and were inverse correlation with claudin 5, E, and N cadherin and collagen IV immunoexpressions which added further significant information to the prognosis and varied according to the histologic classification. By ultrastructure, the loss of basal membrane and cilia, disorganization, and proliferation of ECM were observed in CPC. Cerebral homeostasis largely results from the ability of both the Blood–Brain Barrier (BBB) at the brain microvascular endothelium and the Blood–Cerebrospinal Fluid Barrier (BCSFB) at the epithelium of the Choroid Plexuses (CPs), to control the composition of the CSF and cerebral extracellular fluid. Under expression of the tight junction proteins occludin, claudin-1 and claudin-5 are key molecular abnormalities responsible for the increased permeability of tumor endothelial tight junctions. Conclusion: The loss of basement membrane and ECM overexpression could be considered as a poor prognosis predictor in CPT. Anti-collagenase and MMP9 overexpression could be related to basal membrane and BBB plasticity in CPTs.
Search by University/Institution
Enter your University/Institution to find colleagues at HSPI.
Ensuring author's satisfaction with
- Friendly and hassle-free publication process
- Less production time of articles
- Constructive peer-review
- Enhancing journal reputation
- Regular feedback system
- Quick response to authors' queries
Most Viewed Keywords
- Carazolol
- Kidney cancer
- Vitamin D deficiency
- Elemental analysis
- Open bite
- Habitat imaging
- eTRIMP
- Exhaled breath condensate
- Haultain’s method
- FGF23
- RT-PCR
- Intra ocular pressure
- Bacterial cellulose membranes
- Social representations
- Serum uric acid
- Catheterization
- TAPP Lichtenstein PHS
- Motor imagery
- Morbidly adherent placenta
- Teaching strategies
Search Articles by Country
Get all latest articles in all Heighten Science Publications Inc journals by country.
Testmonials
Really good service with prompt response. Looking forward to having long lasting relationship with your journal
Avishek Bagchi
Your journal co-operation is very appreciable and motivational. I am really thankful to your journal and team members for the motivation and collaboration to publish my work.
Assistant Professor, UCLAS Uttaranchal University, Dehradun, India
Archna Dhasmana
Your journal has accomplished its intended mission of providing very effective and efficient goals in dealing with submissions, conducting the reviewing process and in publishing accepted manuscripts in a timely manner. Keep up the great work and services that you provide.
University of Jacqmar, Inc., USA
John St. Cyr
Publishing with the International Journal of Clinical and Experimental Ophthalmology was a rewarding experience as review process was thorough and brisk. Their visibility online is second to none as their published articles appear in all search engines. I will encourage researchers to publish with them.
Elizabeth Awoyesuku
I would like to thank JPRA for taking this decision. I understand the effort it represents for you. I'm truly happy to have the paper published in JPRA. And I'll certainly consider JPRA for my next publications as I was satisfied of the service provided, the efficiency and promptness of the interactions we had.
Emmanuel BUSATO
In my opinion, you provide a very fast and practical service.
Ahmet Eroglu
“It was a delightful experience publishing my manuscript with the Clinical Journal of Obstetrics and Gynecology. They offered me lots of opportunities I never had from most publishing houses and their prompt services are greatly appreciated.”
Department of Agricultural Economics, Agribusiness and Extension, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
Akowuah Jones Asafo
Thank you very much. I think the review process and all of what concerns the administration of the publication concerning our paper has been excellent. The nice and quick answers have been very good I think.
Doris Nilsson
In 2017, I submitted a manuscript to the journal Archives of Biotechnology and Biomedicine belonging to Heighten Science Publications Corporation. Within one week I already received the response from the editor. All processing steps were really fast so in terms of a speedy publication I can particularly recommend the journal Archives of Biotechnology and Biomedicine. The responsible contact person of the journal was always available, which gives a trustworthy impression to the author. Also the peer review process was clear and constructive. So from my experience with Heighten Science Publications Corporation I can recommend publishing there.
University of Tubingen, Germany
Yvonne Mast
I am delighted and satisfied with. Heighten Science Publications as my manuscript was thoroughly assessed and published on time without delay. Keep up the good work.
Ido-Ekiti/Afe Babalola University, Nigeria
Dr. Shuaib Kayode Aremu
