The Role of Cadmium Induced EGFR/STAT5 Pathway Activation in Epithelial to Mesenchymal Transition | Chapter 4 | Current Innovations in Disease and Health Research Vol. 7

 Cadmium (Cd) is a poisonous and carcinogenic heavy metal about cigarette fume, air and drinking water, due to land and industrial endeavors, posing a health risk to the inexact population. Prolonged, depressed-dose Cd exposure by way of inhalation or ingestion induces alveolus and kidney cancers in two together humans and animal models. While exposure to extreme-dose Cd is cytotoxic and is equated with the occupational background, low-dose Cd uncovering is carcinogenic and mainly correlated with the inexact population. Even though Cd is classification as a group 1 “human carcinogen” by IARC, the means by which Cd-unprotected cells overcome calcium chelation and induce diseased transformation remains imprecise. This study examines the system by which cells unprotected to low doses of Cd live the loss of E-cadherin cell-cell grip and induce epithelial-to-mesenchymal change (EMT). Two epithelial cell lines, BEAS-2B and HEK293, were exposed to 0.4 µM and 1.6 µM of Cadmium chloride hemipentahydrate (CdCl2.2.5H2O) for 24 hours (h) and 9 weeks (wks). The preferred doses are environmentally relevant to levels of Cd found in bread and cigarettes. A dose-helpless decrease in E-cadherin and an increase in N-cadherin protein expression was observed in containers treated accompanying low-dose Cd. Moreover, Cd medicated cells exhibited a faster increase rate when compared accompanying control cells. This observation surpassed to the examination of the EGFR/STAT5 road activation, which has again been noticed to be activated in studies exhausted cancer cells. Our results accompanied a dose-weak and time-dependent increase in two together total EGFR and phosphorylated EGFR (p-EGFR) protein. Similar results were observed accompanying STAT5 and phosphorylated STAT5 (pSTAT5) protein in both short-term and complete exposures, nevertheless the 0.4 µM dose had the highest verbalization at 24 h. EGFR/STAT5 inducible genes were also upregulated in Cd-medicated cells in just 24 h. These dossier demonstrate that epithelial cells can overcome Cd-intervened toxicity by activating the EGFR/STAT5 road to induce cell continuation and proliferation, chief to EMT.

Author(s) Details:

Aikaterini Stavrou,
Department of Medicine, Division of Environmental Medicine, New York University Grossman School of Medicine, New York, NY 10010, USA.

Angelica Ortiz,
Department of Medicine, Division of Environmental Medicine, New York University Grossman School of Medicine, New York, NY 10010, USA.

Max Costa,
Department of Medicine, Division of Environmental Medicine, New York University Grossman School of Medicine, New York, NY 10010, USA.

Please see the link here: https://stm.bookpi.org/CIDHR-V7/article/view/12042

Evaluation of the Biosorption Capacity of Saccharomyces cerevisiae for Heavy Metals in Milk| Chapter 2 | Emerging Challenges in Agriculture and Food Science Vol. 5

A biotechnological approach for removing heavy metals from the environment involves the use of biosorbents such as bacteria, yeast, and algae. Heavy metal decontamination in food and water can also be accomplished with these microbes. Using Saccharomyces cerevisiae as a model, our study team looked at heavy metal biosorption in milk. Initial heavy metals (Pb, Cd, and Hg) were introduced to milk, and the bioremoval process was tracked for four days. The goal of this study is to see how exposure duration, temperature, S. cerevisiae concentration, and beginning metal concentration affect the bioremoval process of heavy metals (Pb, Cd, and Hg) in milk. S. cerevisiae concentration, beginning metal concentration, and exposure duration were statistically substantially linked with heavy metals removal (p values 0.05) according to the ANOVA analysis. After 4 days with 30108 CFU S. cerevisiae in milk, the maximum biosorption (70%) was found. These findings added to the growing body of data that S. cerevisiae is an effective biosorbent for heavy metal removal from milk, as well as a potentially safe and environmentally friendly tool for ensuring a safe and healthy food supply.

Author(s) Details:

R. Masoud,
Department of Food Science and Technology, Iran National Standards Organization, Tehran, Iran.

F. Mirmohammad-Makki,
Department of Food Science & Technology, Science and Research Branch, Islamic Azad University, Tehran, Iran.

A. Zoghi,
Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Please see the link here: https://stm.bookpi.org/ECAFS-V5/article/view/6977