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hERG1 Potassium Channels: Novel Biomarkers in Human Solid Cancers.

Lastraioli E, Lottini T, Bencini L, Bernini M, Arcangeli A - Biomed Res Int (2015)

Bottom Line: Although several new biomarkers and potential targets for therapy have been identified through biomolecular research in the last years, the effects on patients' outcome are still unsatisfactory.Indeed, hERG1 blockage impairs tumor cell growth both in vitro and in vivo in preclinical mouse model. hERG1-based tumor therapy in humans, however, encounters the major hindrance of the potential cardiotoxicity that many hERG1 blockers exert.In this review we focus on recent advances in translational research in some of the most frequent human solid cancers (breast, endometrium, ovary, pancreas, esophagus, stomach, and colorectum) that have been shown to express hERG1 and that are a major health problem.

View Article: PubMed Central - PubMed

Affiliation: Experimental and Clinical Medicine, University of Florence, Viale GB Morgagni 50, 50134 Florence, Italy.

ABSTRACT
Because of their high incidence and mortality solid cancers are a major health problem worldwide. Although several new biomarkers and potential targets for therapy have been identified through biomolecular research in the last years, the effects on patients' outcome are still unsatisfactory. Increasing evidence indicates that hERG1 potassium channels are overexpressed in human primary cancers of different origin and several associations between hERG1 expression and clinicopathological features and/or outcome are emerging. Aberrant hERG1 expression may be exploited either for early diagnosis (especially in those cancers where it is expressed in the initial steps of tumor progression) or for therapy purposes. Indeed, hERG1 blockage impairs tumor cell growth both in vitro and in vivo in preclinical mouse model. hERG1-based tumor therapy in humans, however, encounters the major hindrance of the potential cardiotoxicity that many hERG1 blockers exert. In this review we focus on recent advances in translational research in some of the most frequent human solid cancers (breast, endometrium, ovary, pancreas, esophagus, stomach, and colorectum) that have been shown to express hERG1 and that are a major health problem.

No MeSH data available.


Related in: MedlinePlus

Incidence and mortality for the human solid tumors discussed in the present review. Colorectal, lung, esophageal, pancreatic, and gastric cancers in both sexes (a) and breast, corpus uteri, and ovarian cancers in females (b). Source: GLOBOCAN 2012.
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fig2: Incidence and mortality for the human solid tumors discussed in the present review. Colorectal, lung, esophageal, pancreatic, and gastric cancers in both sexes (a) and breast, corpus uteri, and ovarian cancers in females (b). Source: GLOBOCAN 2012.

Mentions: From an epidemiologic point of view the above-mentioned solid cancers (breast, endometrium, ovary, esophagus, stomach, colorectum, and pancreas) represent a vast share of both incidence and mortality for cancer worldwide [20] (Figures 2(a) and 2(b)).


hERG1 Potassium Channels: Novel Biomarkers in Human Solid Cancers.

Lastraioli E, Lottini T, Bencini L, Bernini M, Arcangeli A - Biomed Res Int (2015)

Incidence and mortality for the human solid tumors discussed in the present review. Colorectal, lung, esophageal, pancreatic, and gastric cancers in both sexes (a) and breast, corpus uteri, and ovarian cancers in females (b). Source: GLOBOCAN 2012.
© Copyright Policy - open-access
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC4538961&req=5

fig2: Incidence and mortality for the human solid tumors discussed in the present review. Colorectal, lung, esophageal, pancreatic, and gastric cancers in both sexes (a) and breast, corpus uteri, and ovarian cancers in females (b). Source: GLOBOCAN 2012.
Mentions: From an epidemiologic point of view the above-mentioned solid cancers (breast, endometrium, ovary, esophagus, stomach, colorectum, and pancreas) represent a vast share of both incidence and mortality for cancer worldwide [20] (Figures 2(a) and 2(b)).

Bottom Line: Although several new biomarkers and potential targets for therapy have been identified through biomolecular research in the last years, the effects on patients' outcome are still unsatisfactory.Indeed, hERG1 blockage impairs tumor cell growth both in vitro and in vivo in preclinical mouse model. hERG1-based tumor therapy in humans, however, encounters the major hindrance of the potential cardiotoxicity that many hERG1 blockers exert.In this review we focus on recent advances in translational research in some of the most frequent human solid cancers (breast, endometrium, ovary, pancreas, esophagus, stomach, and colorectum) that have been shown to express hERG1 and that are a major health problem.

View Article: PubMed Central - PubMed

Affiliation: Experimental and Clinical Medicine, University of Florence, Viale GB Morgagni 50, 50134 Florence, Italy.

ABSTRACT
Because of their high incidence and mortality solid cancers are a major health problem worldwide. Although several new biomarkers and potential targets for therapy have been identified through biomolecular research in the last years, the effects on patients' outcome are still unsatisfactory. Increasing evidence indicates that hERG1 potassium channels are overexpressed in human primary cancers of different origin and several associations between hERG1 expression and clinicopathological features and/or outcome are emerging. Aberrant hERG1 expression may be exploited either for early diagnosis (especially in those cancers where it is expressed in the initial steps of tumor progression) or for therapy purposes. Indeed, hERG1 blockage impairs tumor cell growth both in vitro and in vivo in preclinical mouse model. hERG1-based tumor therapy in humans, however, encounters the major hindrance of the potential cardiotoxicity that many hERG1 blockers exert. In this review we focus on recent advances in translational research in some of the most frequent human solid cancers (breast, endometrium, ovary, pancreas, esophagus, stomach, and colorectum) that have been shown to express hERG1 and that are a major health problem.

No MeSH data available.


Related in: MedlinePlus