eISSN: 1897-4309
ISSN: 1428-2526
Contemporary Oncology/Współczesna Onkologia
Bieżący numer Archiwum Współczesna Onkologia
NOWOŚĆ
Portal dla onkologów!
www.eonkologia.pl
1/2018
 
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Artykuł oryginalny

Challenging tumour immunological techniques that help to track cancer stem cells in malignant melanomas and other solid tumours

Beatrix Kotlan
,
Vanda Plotar
,
Klara Eles
,
Szabolcs Horvath
,
Timea Balatoni
,
Orsolya Csuka
,
Mihaly Újhelyi
,
Ákos Sávolt
,
Andras Szollar
,
Istvan Vamosi-Nagy
,
Laszlo Toth
,
Emil Farkas
,
Jozsef Toth
,
Miklos Kasler
,
Gabriella Liszkay

Data publikacji online: 2018/03/08
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Aim of the study
The arsenal of questions and answers about the minor cancer initiating cancer stem cell (CSC) population put responsible for cancer invasiveness and metastases, has left with an unsolved puzzle. Specific aims of a complex project were partly focused on revealing new biomarkers of cancer. We designed and set up novel techniques to facilitate the detection of cancerous cells.

Material and methods
As a novel approach, we investigated B cells infiltrating breast carcinomas and melanomas (TIL-B) in terms of their tumour antigen binding potential. By developing the TIL-B phage display technology we provide here a new technology for the specific detection of highly tumour-associated antigens. Single chain Fv (scFv) antibody fragment phage ELISA, immunofluorescence (IF) FACS analysis, chamber slide technique with IF confocal laser microscopy and immunohistochemistry (IHC) in paraffin-embedded tissue sections were set up and standardized.

Results
We showed strong tumour-associated disialylated glycosphingolipid expression levels on various cancer cells using scFv antibody fragments, generated previously by uniquely invasive breast carcinoma TIL-B phage display library technology.

Conclusions
We report herein a novel strategy to obtain antibody fragments of human origin that recognise tumour-associated ganglioside antigens. Our investigations have the power to detect privileged molecules in cancer progression, invasiveness, and metastases. The technical achievements of this study are being harnessed for early diagnostics and effective cancer therapeutics.

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