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Blockade

A blockade is an effort to cut off food, supplies, war material or communications from a particular area by force, either in part or totally. A blockade should not be confused with an embargo or sanctions, which are legal barriers to trade, and is distinct from a siege in that a blockade is usually directed at an entire country or region, rather than a fortress or city. Most blockades historically took place at sea, with the blockading power seeking to cut off all maritime transport from and to the blockaded country; although stopping all land transport to and from an area may also be considered a blockade. In the 20th century air power has also been used to enhance the effectiveness of the blockade by halting all air traffic within the blockaded air space.

Close patrol of the hostile ports, in order to prevent naval forces from putting to sea, is also referred to as a blockade. When a coastal cities or fortresses were besieged from the landward side, the besiegers would often blockade the seaward side as well. Most recently, blockades have sometimes included cutting off electronic communications by jamming radio signals and severing undersea cables. Israel and its blockade of the Gaza Strip since 2001 has received the most attention as a continuing crisis.

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Drug fails to help kidney transplant recipients

A drug that protects the kidneys of patients with chronic kidney disease does not seem to provide the same benefit to kidney transplant recipients, according to a study appearing in an upcoming issue of the Journal of th ...

Diseases, Conditions, Syndromes created Jan 10, 2013 | popularity not rated yet | comments 0

Alzheimer's disease in mice alleviated promising therapeutic approach for humans

Pathological changes typical of Alzheimer's disease were significantly reduced in mice by blockade of an immune system transmitter. A research team from Charité - Universitätsmedizin Berlin and the University ...

Alzheimer's disease & dementia created Nov 25, 2012 | popularity 5 / 5 (10) | comments 0 | with audio podcast

New target, new drug in breast cancer

Many breast cancers depend on hormones including estrogen or progesterone for their survival and proliferation. Eight years of lab work at the University of Colorado Cancer Center and elsewhere suggest that the androgen (AR) ...

Cancer created Jun 04, 2012 | popularity 5 / 5 (1) | comments 0

Animal blockade hitting British research: scientists

British scientists warned on Wednesday that research into debilitating diseases is under threat from a refusal by ferry operators and airlines to transport laboratory animals into the country.

Other created Mar 14, 2012 | popularity not rated yet | comments 0

Opening the brain to new treatments

One of the trickiest parts of treating brain conditions is the blood brain barrier, a blockade of cells that prevent both harmful toxins and helpful pharmaceuticals from getting to the body's control center. ...

Medical research created Mar 13, 2012 | popularity 5 / 5 (1) | comments 0

A culprit behind brain tumor resistance to therapy

Persistent protein expression may explain why tumors return after therapy in glioblastoma patients, according to a study published on March 5th in the Journal of Experimental Medicine.

Cancer created Mar 05, 2012 | popularity not rated yet | comments 0