Thursday, January 20, 2011

Rank Ligand - Key mediator in bone destruction

Rank Ligand
This link has been set up by Amgen Canada. It highlights Rank Ligand and its role as a key mediator in the vicious cycle of bone destruction.

The animations help explain in the link noted below.

Osteoblastic versus osteolytic bone metastases

Bone metastases are often characterized by their radiographic appearance as either osteolytic, osteoblastic, or mixed.

Most patients with breast cancer have predominantly mixed or osteolytic lesions. In contrast, patients with prostate cancer are often found to have predominantly osteoblastic lesions. However, regardless of appearance, there is significant osteolytic activity. In fact, osteolytic activity in these lesions often is comparable with, if not higher than, that typically seen in breast cancer and multiple myeloma. Such activity has been demonstrated by markedly elevated biochemical markers of bone resorption in the serum and urine of such patients. Only in multiple myeloma do purely lytic bone lesions develop.

Learn more at:


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About Onco-PRN

Welcome and thanks for visiting Onco-P.R.N. - The oncology website with a focus on all things oncology pharmacy/pain/palliative care-related. It is intended to be an information resource for those pharmacist and relevant health care professionals involved in whatever fashion with cancer and palliative care. Stay tuned for the latest and greatest links and information with respect to: oncology medications, continuing education, pharmaceutical care initiatives, pain and symptom control, supportive care topics, and whatever else that might fit into the theme.

*Note: This website is not affiliated with Alberta Health Services (AHS) or CAPhO and the opinions expressed herewithin are that of the author(s).

Pharmacy History

"The earliest known compilation of medicinal substances was ARIANA the Sushruta Samhita, an Indian Ayurvedic treatise attributed to Sushruta in the 6th century BC. However, the earliest text as preserved dates to the 3rd or 4th century AD.
Many Sumerian (late 6th millennium BC - early 2nd millennium BC) cuneiform clay tablets record prescriptions for medicine.[3]

Ancient Egyptian pharmacological knowledge was recorded in various papyri such as the Ebers Papyrus of 1550 BC, and the Edwin Smith Papyrus of the 16th century BC.

The earliest known Chinese manual on materia medica is the Shennong Bencao Jing (The Divine Farmer's Herb-Root Classic), dating back to the 1st century AD. It was compiled during the Han dynasty and was attributed to the mythical Shennong. Earlier literature included lists of prescriptions for specific ailments, exemplified by a manuscript "Recipes for 52 Ailments", found in the Mawangdui tomb, sealed in 168 BC. Further details on Chinese pharmacy can be found in the Pharmacy in China article."

From Wikipedia:

Journal of Palliative Medicine - Table of Contents

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