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BRAF is a human gene that encodes a protein called B-Raf. The gene is also referred to as proto-oncogene B-Raf and v-Raf murine sarcoma viral oncogene homolog B , while the protein is more formally known as serine/threonine-protein kinase B-Raf .
V600E is a mutation of the BRAF gene in which valine (V) is substituted by glutamic acid (E) at amino acid 600. [1] [2] It is a driver mutation in a proportion of certain diagnoses, including melanoma, [3] [4] hairy cell leukemia, [5] [6] papillary thyroid carcinoma, [7] [8] colorectal cancer, [9] non-small-cell lung cancer, [10] [11] Langerhans cell histiocytosis, [12] Erdheim–Chester ...
Dogs that are DEA 1.1 negative are universal donors. Blood from DEA 1.1 positive dogs should never be transfused into DEA 1.1 negative dogs. If it is the dog's first transfusion the red cells transfused will have a shortened life due to the formation of alloantibodies to the cells themselves and the animal will forever be sensitized to DEA 1.1 ...
Hemangiosarcoma is a rapidly growing, highly invasive variety of cancer that occurs almost exclusively in dogs, and only rarely in cats, horses, mice, [1] or humans (vinyl chloride toxicity). It is a sarcoma arising from the lining of blood vessels; that is, blood-filled channels and spaces are commonly observed microscopically. A frequent ...
A complete blood type would describe each of the 45 blood groups, and an individual's blood type is one of many possible combinations of blood-group antigens. [3] Almost always, an individual has the same blood group for life, but very rarely an individual's blood type changes through addition or suppression of an antigen in infection, malignancy, or autoimmune disease.
In dogs, around 1% of diagnosed cancers are bladder cancer. [73] Shetland sheepdogs, beagles, and various terriers are at increased risk relative to other breeds. Signs of a bladder tumor – blood in the urine, frequent urination, or trouble urinating – are common to other canine urinary conditions, and so diagnosis is often delayed. [73]
Skin conditions in dogs are very common, so it's important to recognize the symptoms and understand the factors that cause them. Dr. Rebecca MacMillan, a vet with over 15 years of experience, says ...
The overwhelming majority of these mutations involve the exchange of a single amino acid: Val 600 into Glu, and this aberrant gene product (BRAF-V600E) can be visualized by immunohistochemistry for clinical molecular diagnostics [59] [60] The aberration can mimic the activation loop phosphorylation and - by jumping all control steps at normal ...