Human Mitochondrial DNA: Particularities and Diseases.

Mitochondria are the cell's power site, transforming energy into a form that the cell can employ for necessary metabolic reactions. These organelles present their own DNA. Although it codes for a small number of genes, mutations in mtDNA are common.

[Toxic habits and diet behaviors of patients with breast cancer treated in the Mohammed VI Cancer Treatment Center, Casablanca].

Introduction: Breast cancer is a major public health challenge. The purpose of this study is to describe the sociodemographic profile, toxic habits and diet profile of patients suffering from breast cancer treated in the Mohammed VI Cancer Treatment Center, in Casablanca.

Methods: We conducted a cross-sectional study of 305 female patients newly diagnosed with breast cancer.

[A case-control study on dietary risk factors for colorectal cancer in Morocco].

Introduction: given its frequency and severity, colorectal cancer is a major public health problem. Diet plays a key role in preventing this type of cancer. The purpose of our study was to determine dietary risk factors for colorectal cancer in our Moroccan context.

[Influence of socio-economic factors and education level on colorectal cancer in the Moroccan population].

Introduction: Colorectal cancer is a true scourge and a major public health problem. The main purpose of this study was to identify the impact of socio-economic factors and education level on the onset of colorectal cancer and of diagnosis stage in the Moroccan population.

Methods: We conducted a case-control study of patients treated for cancer at the Mohammed VI center from January 2015 to January 2017.

[Epidemiological, nutritional and anatomopathological features of patients with colorectal cancer in the greater Casablanca region].

Introduction: colorectal cancer is a major public health problem. This study aims to analyze the epidemiological, nutritional, clinical and anatomopathological features of patients with colorectal cancer at the University Hospital in Casablanca.

Methods: our case-control study focused on patients assigned to treatment for colorectal cancer in 2015 compared with a control group that didn't have cancer.

[Accumulation of p53 protein and overexpression of the HER3 receptor in colorectal cancer].

In patients with colorectal cancer, nuclear accumulation of p53 is often associated with poor prognosis and resistance to chemotherapy. Overexpression of HER3 is associated with poor prognosis and resistance to therapy targeting EGFR. Our study was performed on 16 samples of colorectal adenocarcinomas.