منابع مشابه
Unwelcome complement.
For decades, the complement system has been recognized as an effector arm of the innate immunity system that contributes to the destruction of tumor cells. However, recent studies have challenged this paradigm by demonstrating that a complement component, the anaphylatoxin C5a, promotes the growth of malignant tumors in a mouse model of cervical carcinoma. The effect of C5a on tumor growth was ...
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Exotic forest pests cost China and the United States billions of dollars each year. Current regulatory systems worldwide are overwhelmed with the increasing volume of international trade. Trade in nursery stock, wood products, pallets and dunnage have proven the most common means of transport for exotic forest pests. Despite our best efforts, pests such as chestnut blight, gypsy moth, Dutch elm...
متن کاملCiguatera poisoning: an unwelcome vacation experience.
married couple in their late 50s trav-eled to Costa Rica on vacation. They both dined frequently on local fish. While in the country , they developed nausea, vomiting, and diarrhea, with up to 10 bowel movements per day. These symptoms were followed by tingling of the extremities and a sensation of " pricking by pins and needles " that was exacerbated by the movement of air over the skin. In ad...
متن کاملUnwelcome Guest: PBDEs in Indoor Dust
Although house dust is known to be a predominant source of exposure to PBDEs, it's not yet clear which part of the dust these chemicals bind to. The dust pictured above contains pet hair (rust brown), pollen (yellow), plant fibers (green), dead skin cells (light to medium brown), dirt and minerals (orange), textile fibers (blue), and spider silk (pink).
متن کاملAn unwelcome guest in the courtroom.
Editor: Drs. Kapoor and Williams brought an important matter to our attention, with which I am in agreement, given some 45 years of general and forensic practice. I was surprised that a commentary was not presented, especially by a practitioner of both psychoanalysis and forensics. My education and practice have been guided by psychoanalytic theory for both psychotherapy and forensic examinatio...
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ژورنال
عنوان ژورنال: Nature
سال: 1975
ISSN: 0028-0836,1476-4687
DOI: 10.1038/257176a0