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Functionally active Toll-like receptor 3 on human primary and metastatic cancer cells


Matijević, Tanja; Marjanović, Marko; Pavelić, Jasminka
Functionally active Toll-like receptor 3 on human primary and metastatic cancer cells // Abstracts of the 8th Balkan meeting on human genetics ; u: Paediatria Croatica 53 (2009) (S) / Barišić, Ingeborg (ur.).
Zagreb: Klinika za dječje bolesti, 2009. str. 117-117 (poster, domaća recenzija, sažetak, znanstveni)


Naslov
Functionally active Toll-like receptor 3 on human primary and metastatic cancer cells

Autori
Matijević, Tanja ; Marjanović, Marko ; Pavelić, Jasminka

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Abstracts of the 8th Balkan meeting on human genetics ; u: Paediatria Croatica 53 (2009) (S) / Barišić, Ingeborg - Zagreb : Klinika za dječje bolesti, 2009, 117-117

Skup
Balkan meeting on human genetics (8 ; 2009)

Mjesto i datum
Cavtat, Hrvatska, 14.-17.05.2009

Vrsta sudjelovanja
Poster

Vrsta recenzije
Domaća recenzija

Ključne riječi
Toll-like receptor 3; primary and metastatic cancer cells

Sažetak
Toll-like receptor 3 (TLR3) is a member of Toll-like receptors who recognize structurally conserved molecules derived from pathogens and trigger the immune response. TLR3 is activated by dsRNA and is usually connected with viral infections. However, TLR3 and its synthetic ligand poly I:C have recently been connected with the induction of apoptosis in tumor cells. In order to clarify if TLR3 is expressed in certain tumor cell lines and whether it is functional and what is the response of these cell lines to different concentrations of poly I:C treatment, we have screened SW480, SW620, FaDu and Detroit 562 cell lines by Real Time PCR, Flow Cytometry and ELISA. We have shown that all these cell lines express TLR3 on mRNA and protein level but it is only functional in Detroit 562 cell line since only in these cells poly I:C treatment triggered the IL-6 secretion. By using annexin-V apoptosis detection kit, we have found that poly I:C triggers apoptosis in Detroit 562 cell line. We have found here that based on the results of TLR3 functionality there is a huge difference between FaDu and Detroit 562 cell lines which are of the same origin (pharynx) but FaDu is primary and Detroit 562 metastatic carcinoma. Our study also shows that Detroit 562 cell line could be a good model for cancer therapy research and development as it is responsive to TLR3 agonists which consequently drives it to apoptosis.

Izvorni jezik
Engleski

Znanstvena područja
Temeljne medicinske znanosti



POVEZANOST RADA


Projekt / tema
098-0982464-2394 - Gensko liječenje tumora djelovanjem na molekule imunološkog sustava (Jasminka Pavelić, )
098-0982464-2514 - Uloga različitih mehanizama odgovora stanica na terapiju oštećenjem DNA (Marijeta Kralj, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus