Background Vitamin D is a steroid hormone that exerts its actions through ligation of the
vitamin D receptor (VDR), a transcription factor of the nuclear receptor family. VDR has not …

BACKGROUND In the six Gulf Cooperation Council countries (GCCCs), Bahrain, Saudi
Arabia, Kuwait, Oman, Qatar and the United Arab Emirates, breast cancer (BC) is the …

Background Breast cancer is one of the leading causes of death worldwide, it affects both
men and women. In Saudi Arabia, breast cancer has been the most prevalent type of cancer …

Triple-negative breast cancer (TNBC) is defined as a type of breast cancer with lack of
expression of estrogen receptor, progesterone receptor and human epidermal growth factor …

Introduction: Numerous studies show the benefits of vitamin D: in the prevention of bone
disease, supporting the immune system and the prevention and mitigation of cancer. Until …

Background: Pre-clinical toxicology studies of human Gc-protein (vitamin D binding protein)
are of special inter-est as to the transport of vitamin D and its biological activities. We have …

Background: Breast cancer is one of the leading causes of death worldwide, it affects both
males and females. In Saudi Arabia, breast cancer has been the most prevalent type of …

Background and purpose: Breast cancer is one of the most common cancers in women all
over the world. The death rate of this cancer is also increasing. It seems that medication is …

Breast cancer has been studied for a long period of time and from a variety of perspectives
in order to understand its pathogeny. The pathogeny of breast cancer can be classified into …