2006
DOI: 10.1111/j.1349-7006.2006.00342.x
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Clinical usefulness of serum telomerase reverse transcriptase (hTERT) mRNA and epidermal growth factor receptor (EGFR) mRNA as a novel tumor marker for lung cancer

Abstract: Using a newly developed assay of telomerase reverse transcriptase (hTERT) mRNA in serum by real-time RT-PCR, we previously reported this assay to be superior to other tumor markers for hepatoma. In this study, we aimed to clarify its clinical significance as a biomarker for lung cancer. In 112 patients with lung tumor and 80 individuals without cancer, we measured serum hTERT mRNA and epidermal growth factor receptor (EGFR) mRNA levels, using a quantitative one-step real-time RT-PCR assay. We examined its sens… Show more

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Cited by 82 publications
(71 citation statements)
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“…Measurement of the gene expression of such molecules would support disease diagnosis, especially when very few cells are available and malignancy cannot be definitively diagnosed by histological or cytological methods. Previous studies have shown that some molecules are useful in distinguishing cancerous from noncancerous samples by measuring the expression of single or multiple genes in tissue, peripheral blood cells, or serum (1)(2)(3)(4). However, in actual use as a marker to support the diagnosis, there has been a limit in the specificity and sensitivity because of non-negligible level of expression in noncancerous samples or low detection rate in cancerous samples even with high specificity.…”
Section: Introductionmentioning
confidence: 97%
“…Measurement of the gene expression of such molecules would support disease diagnosis, especially when very few cells are available and malignancy cannot be definitively diagnosed by histological or cytological methods. Previous studies have shown that some molecules are useful in distinguishing cancerous from noncancerous samples by measuring the expression of single or multiple genes in tissue, peripheral blood cells, or serum (1)(2)(3)(4). However, in actual use as a marker to support the diagnosis, there has been a limit in the specificity and sensitivity because of non-negligible level of expression in noncancerous samples or low detection rate in cancerous samples even with high specificity.…”
Section: Introductionmentioning
confidence: 97%
“…EGFR and hTERT mRNA showed greater specifi city and sensitivity in lung cancer diagnosis in comparison to the conventionally used markers-CYFRA and CEA (39). Circulating in peripheral blood c-met mRNA was reported in 67.6% of nonsmall cell lung cancer patients (9).…”
Section: Plasma Rna Detectionmentioning
confidence: 99%
“…πλευριτικό υγρό [80], [105], [107], [108], [109], [110] [111], [112] περιφερικό αίμα [116] [117], [118], [119], [131] Εικόνα 9: Α. Επίστρωση βρογχικής έκπλυσης (χρώση κατά Παπανικολάου x 800) Β. Αντίστοιχη in situ TRAP assay όπου φαίνονται τα καρκινικά κύτταρα με έντονη πυρηνική αντιδραστικότητα, στο πλακώδες ΚΠ (1) και στο αδενοκαρκίνωμα (2) [96].…”
Section: Aναφορέςunclassified
“…Η Τa ανιχνεύτηκε στο 73% των ασθενών με ΚΠ και σε κανέναν υγιή μάρτυρα [116], ενώ σε μια άλλη μελέτη, παρόλο που η hTERT εκφράστηκε στο αίμα μόνο ενός μικρού ποσοστού ασθενών (12%), σημαντική ήταν η απουσία της σε όλους τους μάρτυρες [117]. Σε μια πρόσφατη μελέτη, με τη βοήθεια ποσοτικού προσδιορισμού του mRNA της hTERT, αναφέρθηκε υψηλή ευαισθησία και ειδικότητα (89% και 72,7% αντίστοιχα) και σημαντικά μεγαλύτερος αριθμός αντιγράφων mRNA-hTERT στον ορό ασθενών με ΚΠ, έναντι των υγιών μαρτύρων, ενώ βρέθηκε επίσης συσχέτιση μεταξύ των επίπεδων έκφρασης της hTERT στον ορό και στον καρκινικό ιστό [118]. Οι Sozzi et al…”
Section: Aναφορέςunclassified
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