Immunohistochemical Expression of Vitamin-D Receptor in Oral and Skin Squamous Cell Carcinoma of a Black African Subpopulation


Objective: The nuclear vitamin D receptor (VDR) is involved in multiple pathways that have a role to play in the biology of cancer. Recent evidence indicates that the active form of vitamin D (1alpha, 25-dihydroxycholecalciferol) (VD) exhibits several anti-growth effects. Thus it is useful as an anti-neoplastic agent in several human malignancies.

Raised IL-6 Levels: A Risk Factor for Cardiovascular Associated Complications in HIV Positive Zambians Presenting at the University Teaching Hospital before Initiation of Antiretroviral Therapy (ART)


Objectives - The objectives of the study were to compare plasma levels of IL-6 in HIV positive and HIV negative individuals and to correlate them with CD4 count

Materials and methods - A cross-sectional study was carried out at the University Teaching Hospital in Lusaka, Zambia. IL-6 and CD4 were assessed in HIV positive on ART, HIV positive ART- naïve and HIV negative control participants.

Screening of cardiovascular risk factors among workers of a Construction Company in a developing country, Senegal.



This study aimed to evaluate the prevalence of cardiovascular risk factors in workplace and the global risk among workers of a Construction Company in a developing country.


It was a retrospective and descriptive survey over two years in a construction company in Dakar, Senegal.