A humán genom megismerésének hatása a patológia fejlódésére.

Translated title of the contribution: Effect of learning about the human genome on the development of pathology

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

On the basis of data of the Human Genome Project, it was embraced the newest information about the gene content of the human genome, the disease genes, the parasitic DNA, the single nucleotide polymorphisms, the repeat sequences, the cytoskeletons, the regulation of cell proliferation, and their medical consequences. The applicability of the acquaintance with the human genome in pathology is presented with a few examples of our own. The significance of the single nucleotide polymorphisms in susceptibility to, or protection from, a host of disease is illustrated by the example of the allele variation of Apo-E gene. The copy number of the N-myc gene in neuroblastomas and HER2/neu gene in breast carcinomas was determined with quantitative PCR techniques. The monoclonally increased abnormal p53 protein expression was found in small cell lung cancer (in 90% frequency), in oro-pharyngeal carcinomas (82%), in esophageal squamous cell carcinomas (59%) in stomach cancer (33%), in colon carcinomas (27%) and in soft tissue sarcomas (13%). These data advert to the fact that the mutation of the p53 gene is much more frequent in those tumors in which the basic tissue is directly exposed to with the environmental carcinogens. It is now known, that near the repetitive sequences, gene rearrangement can more easily be evolve. Finally, we have determined the conditions of the accomplishment of the molecular pathological diagnosis: (1) It is applicable, when the classic morphology does not eventuate a conclusive result. (2) Well known and validated gene alterations are admissible to diagnostic purpose. (3) Only standard methods are applicable along with positive and negative controls. (4) The result has to correlate with the morphological picture, the immunohistochemical profile and the clinical data. (5) It is necessary to be able to appropriately interpret the molecular biological result, which is then incorporated in the pathological report. (6) The ethical, legal and social consequences must be considered.

Original languageHungarian
Pages (from-to)2499-2508
Number of pages10
JournalOrvosi Hetilap
Volume144
Issue number51
Publication statusPublished - Dec 21 2003

Fingerprint

Human Genome
Learning
Pathology
erbB-2 Genes
Genes
Single Nucleotide Polymorphism
Environmental Carcinogens
Human Genome Project
Carcinoma
Parasitic Diseases
myc Genes
Gene Rearrangement
Nucleic Acid Repetitive Sequences
p53 Genes
Small Cell Lung Carcinoma
Apolipoproteins E
Cytoskeleton
Neuroblastoma
Sarcoma
Stomach Neoplasms

ASJC Scopus subject areas

  • Medicine(all)

Cite this

A humán genom megismerésének hatása a patológia fejlódésére. / Szentirmay, Z.

In: Orvosi Hetilap, Vol. 144, No. 51, 21.12.2003, p. 2499-2508.

Research output: Contribution to journalArticle

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abstract = "On the basis of data of the Human Genome Project, it was embraced the newest information about the gene content of the human genome, the disease genes, the parasitic DNA, the single nucleotide polymorphisms, the repeat sequences, the cytoskeletons, the regulation of cell proliferation, and their medical consequences. The applicability of the acquaintance with the human genome in pathology is presented with a few examples of our own. The significance of the single nucleotide polymorphisms in susceptibility to, or protection from, a host of disease is illustrated by the example of the allele variation of Apo-E gene. The copy number of the N-myc gene in neuroblastomas and HER2/neu gene in breast carcinomas was determined with quantitative PCR techniques. The monoclonally increased abnormal p53 protein expression was found in small cell lung cancer (in 90{\%} frequency), in oro-pharyngeal carcinomas (82{\%}), in esophageal squamous cell carcinomas (59{\%}) in stomach cancer (33{\%}), in colon carcinomas (27{\%}) and in soft tissue sarcomas (13{\%}). These data advert to the fact that the mutation of the p53 gene is much more frequent in those tumors in which the basic tissue is directly exposed to with the environmental carcinogens. It is now known, that near the repetitive sequences, gene rearrangement can more easily be evolve. Finally, we have determined the conditions of the accomplishment of the molecular pathological diagnosis: (1) It is applicable, when the classic morphology does not eventuate a conclusive result. (2) Well known and validated gene alterations are admissible to diagnostic purpose. (3) Only standard methods are applicable along with positive and negative controls. (4) The result has to correlate with the morphological picture, the immunohistochemical profile and the clinical data. (5) It is necessary to be able to appropriately interpret the molecular biological result, which is then incorporated in the pathological report. (6) The ethical, legal and social consequences must be considered.",
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