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The chemokine CXCL16 is a new biomarker for lymph node analysis of colon cancer outcome

Abdelmageed, Manar ; Ali, Haytham ; Olsson, Lina ; Lindmark, Gudrun LU ; Hammarström, Marie Louise ; Hammarström, Sten and Sitohy, Basel (2019) In International Journal of Molecular Sciences 20(22).
Abstract

Chemokines are important in the development and progression of tumors. We investigated the expression of CXCL14 and CXCL16 in colon cancer. Expression of mRNA was assessed in primary tumors and lymph nodes and CXCL16 mRNA levels were correlated to patient’s survival. Protein expression was investigated by two-color immunofluorescence and immunomorphometry. CXCL14 and CXCL16 mRNA levels and protein expression were significantly higher in colon cancer primary tumors compared to apparently normal colon tissue. Positive cells were tumor cells, as revealed by anti-CEA and anti-EpCAM staining. CXCL16, but not CXCL14, mRNA levels were significantly higher in hematoxylin and eosin positive (H&E(+)) compared to H&E(−) colon cancer lymph... (More)

Chemokines are important in the development and progression of tumors. We investigated the expression of CXCL14 and CXCL16 in colon cancer. Expression of mRNA was assessed in primary tumors and lymph nodes and CXCL16 mRNA levels were correlated to patient’s survival. Protein expression was investigated by two-color immunofluorescence and immunomorphometry. CXCL14 and CXCL16 mRNA levels and protein expression were significantly higher in colon cancer primary tumors compared to apparently normal colon tissue. Positive cells were tumor cells, as revealed by anti-CEA and anti-EpCAM staining. CXCL16, but not CXCL14, mRNA levels were significantly higher in hematoxylin and eosin positive (H&E(+)) compared to H&E(−) colon cancer lymph nodes or control nodes (P < 0.0001). CXCL16 mRNA was expressed in 5/5 colon cancer cell lines while CXCL14 was expressed significantly in only one. Kaplan-Meier analysis revealed that colon cancer patients with lymph nodes expressing high or very high levels (7.2 and 11.4 copies/18S rRNA unit, respectively) of CXCL16 mRNA had a decreased mean survival time of 30 and 46 months at the 12-year follow-up (P = 0.04, P = 0.005, respectively). In conclusion, high expression of CXCL16 mRNA in regional lymph nodes of colon cancer patients is a sign of a poor prognosis.

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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
CEA, Chemokines, CXCL17, EpCAM, Immunohistochemistry, Immunomorphometry, QRT-PCR
in
International Journal of Molecular Sciences
volume
20
issue
22
article number
5793
publisher
MDPI AG
external identifiers
  • scopus:85075314499
  • pmid:31752131
ISSN
1661-6596
DOI
10.3390/ijms20225793
language
English
LU publication?
yes
id
9f6cf4f5-6bac-472a-9646-8d3990b5d6df
date added to LUP
2019-12-06 10:50:09
date last changed
2024-06-13 08:33:16
@article{9f6cf4f5-6bac-472a-9646-8d3990b5d6df,
  abstract     = {{<p>Chemokines are important in the development and progression of tumors. We investigated the expression of CXCL14 and CXCL16 in colon cancer. Expression of mRNA was assessed in primary tumors and lymph nodes and CXCL16 mRNA levels were correlated to patient’s survival. Protein expression was investigated by two-color immunofluorescence and immunomorphometry. CXCL14 and CXCL16 mRNA levels and protein expression were significantly higher in colon cancer primary tumors compared to apparently normal colon tissue. Positive cells were tumor cells, as revealed by anti-CEA and anti-EpCAM staining. CXCL16, but not CXCL14, mRNA levels were significantly higher in hematoxylin and eosin positive (H&amp;E(+)) compared to H&amp;E(−) colon cancer lymph nodes or control nodes (P &lt; 0.0001). CXCL16 mRNA was expressed in 5/5 colon cancer cell lines while CXCL14 was expressed significantly in only one. Kaplan-Meier analysis revealed that colon cancer patients with lymph nodes expressing high or very high levels (7.2 and 11.4 copies/18S rRNA unit, respectively) of CXCL16 mRNA had a decreased mean survival time of 30 and 46 months at the 12-year follow-up (P = 0.04, P = 0.005, respectively). In conclusion, high expression of CXCL16 mRNA in regional lymph nodes of colon cancer patients is a sign of a poor prognosis.</p>}},
  author       = {{Abdelmageed, Manar and Ali, Haytham and Olsson, Lina and Lindmark, Gudrun and Hammarström, Marie Louise and Hammarström, Sten and Sitohy, Basel}},
  issn         = {{1661-6596}},
  keywords     = {{CEA; Chemokines; CXCL17; EpCAM; Immunohistochemistry; Immunomorphometry; QRT-PCR}},
  language     = {{eng}},
  month        = {{11}},
  number       = {{22}},
  publisher    = {{MDPI AG}},
  series       = {{International Journal of Molecular Sciences}},
  title        = {{The chemokine CXCL16 is a new biomarker for lymph node analysis of colon cancer outcome}},
  url          = {{http://dx.doi.org/10.3390/ijms20225793}},
  doi          = {{10.3390/ijms20225793}},
  volume       = {{20}},
  year         = {{2019}},
}