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1

Correlation of chromosome damage and promoter methylation status of the DNA repair genes MGMT and hMLH1 in Chinese vinyl chloride monomer (VCM)-exposed workers

100%

Wu F., Liu J., Qiu Y.-L., Wang W., Zhu S.-M., Sun P., Miao W.-B., Li Y.-L., Brandt-Rauf P. W., Xia Z.-L.

International Journal of Occupational Medicine and Environmental Health

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2013

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vol. 26

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issue 1

173-182

EN

Objective: To explore the association of the methylation status of MGMT and hMLH1 with chromosome damage induced by vinyl chloride monomer (VCM). Materials and Methods: Methylation of MGMT and hMLH1 was measured in 101 VCM-exposed workers by methylation-specifi c PCR. Chromosome damage in peripheral blood lymphocytes was measured by the cytokinesis-block micronucleus assay. The subjects were divided into chromosome damaged and non-damaged groups based on the normal reference value of micronuclei frequencies determined for two control groups. Results: MGMT promoter methylation was detectable in 5 out of 49 chromosome damaged subjects, but not in the chromosome non-damaged subjects; there was a signifi cant difference in MGMT methylation between the two groups (p < 0.05). Conclusions: We detected aberrant promoter methylation of MGMT in a small number of chromosome damaged VCM-exposed workers, but not in the chromosome non-damaged subjects. This preliminary observation warrants further investigation in a larger study.

2

Epigenetic control of the cellular processes

86%

Pawlicka K., Perrigue P., Barciszewski J.

Nauka

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2018

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issue 2

3

Paidagogos (παιδαγωγός) i ars educandi (αρς εδυκανδι) w kontekście epigenetyki

72%

Dyk W.

Studia Koszalińsko-Kołobrzeskie

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2020

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issue 27

359-370

PL

Ewolucyjnie każdy żywy organizm związany jest ze swym naturalnym środowiskiem. Dostosowanie się do otoczenia i jego zmian, by przeżyć, zawsze towarzyszyło człowiekowi. Dbałość o pokarm, ale nie przejadanie się, było przepustką do obecnego i przyszłego życia. Przeżyły te gatunki, które dostosowały pokarm do potrzeb swojego organizmu. Wśród Homo sapiens przeżył gatunek Homo sapiens sapiens, kromaniończyk, gdyż dzięki wysokiej inteligencji dbał o jakość pożywienia. Współczesne technologie żywności i pęd życia wprowa¬dził degradację ludzkiej natury. Powstała niezgodność między genami i pożywieniem. Nie zawsze wyżywienie służy organizmowi człowieka i nie zawsze umożliwia jego osobowościowe, kreatywne trwanie w środowisku naturalnym. Aby działać i tworzyć najpierw trzeba się właściwie odżywiać. Kształtowanie osobowości wsparte jest rodzajem, jakością i wartością pożywienia.

EN

From evolution standpoint, every living organism is bound with its environment. Adaptation to the environment and its changes had always accompanied Man. Taking care of food but not overeating was a pass to current and future life. The species which did not overeat, had survived. Amongst Homo sapiens, Homo sapiens sapiens and Homo Cro-Magnon survived, because having future in mind, it took care of the food’s quality. Contemporary food technologies and rate of living introduced degeneration of human nature. A chaos had occurred between genes and food. Food is not always in benefit of human organism and its personal, creative existence in natural environment. To act and create you must be first full. Shaping the personality is supported by the type, quality and value of food.

4

Psychology goes molecular. Epigenetics of learning

72%

Barciszewski j., Gurda D., Paluchowski W. J., Hornowska E., Jasielska A.

Nauka

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2016

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issue 4

PL

The challenge for psychology is to integrate findings from genetics and environmental (social, biological, chemical) factors, into the study of human behavior and deep understanding of the emergence of different changes in the anatomy, physiology, and chemistry of the nervous system that influence the mental health. Currently, cognitive abilities associated with learning and memory, reasoning, problem solving, and developing relationships are in scope of molecular psychology, which is the study of behavior and its underlying brain systems using the tools of molecular biology. However, studies have demonstrated that DNA sequence variations and rare mutations account for only a small fraction of the risk for inheritance of personality traits and mental illness. The large unaccounted heritability of personality traits and mental health suggest that additional molecular and cellular mechanisms are involved. Various complex gene-environment interactions can lead to different phenotypes. These structural changes may be crucial for the development of mature neural networks that support emotional, cognitive, and social behavior. The generation of different morphology, physiology, and behavioral outcomes from a single genome in response to changes in the environment forms the basis for phenotypic plasticity, which is fundamental to the way organisms cope with environmental variation, navigate the present world, and solve future problems. Epigenetics has major implications for psychology and gives the new answer for the old question- what is the biochemical basis of learning. It is bringing back the leading role of environment and behavior, by including their effects on genome function. In addition, it opens up the possibility of memory being stored in the epigenome, so that our experiences may be embedded in our genome by epigenetic mechanisms. Epigenetics can be described as the study of the complex interactions underlying the development of an organism over its lifetime.

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Correlation of chromosome damage and promoter methylation status of the DNA repair genes MGMT and hMLH1 in Chinese vinyl chloride monomer (VCM)-exposed workers

Epigenetic control of the cellular processes

Paidagogos (παιδαγωγός) i ars educandi (αρς εδυκανδι) w kontekście epigenetyki

Psychology goes molecular. Epigenetics of learning