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Defensin in Medical News

Scientists Spot Dog Fur Color Gene

... of dogs and pinpointed a gene that makes the beta defensin protein. One version of the gene produces yellow d... found. The gene belongs to the large family of defensin genes, which may play a role in fighting infection...sin gene is part of a large and variable family of defensin genes. Humans can have between 40 and 50...

Stanford researchers sniff out gene that gives dogs black fur

...ne is a member of the unusually large and variable defensin family of genes. A human can have between 40 and 50 different defensin genes; dogs can have up to 46. Though researchers had assumed the defensin proteins were microbe fighters, Barsh isn't so sur...

Prematurity More Accurately Predicted by Advances in Proteomic Technology

... 3-4 is indicative of infection. The proteins detected are human neutrophil defensin 1, human neutrophil defensin 2, calgranulin C and calgranulin A. About 50 percent of women who de...

Respite for Burn Victims

...e primary problem of burn victims is infection. A protein called Human beta defensin 4 (HBD4) is said to combat infections in human body.// This is present thro...of bacteria than the ones that are not modified. The study about Human beta defensin 4 continues at Supp’s lab and the team hopes to find a permanent remedy for...

Genetically Altered Cells Prevent Lethal Infections in Substituted Skin

...d. Dorothy Supp, PhD, and her team found that skin cells that were genetically altered to produce higher levels of a protein known as human beta defensin 4 (HBD4) killed more bacteria than normal skin cells. HBD4 is one in a class of proteins that exist throughout the body as part of its natural d...

Chronic Sinusitis Resulting From Weakene Immune System

...ithelial cell samples from nine patients who benefited from surgery with nine who did not, the Hopkins team discovered suppressed levels of human beta defensin 2 (HBD2) and mannose binding lectin (MBL) in those whose symptoms returned. The proteins are naturally produced in the nose whenever the immune system...

A Protein from Primate may Save Humans from HIV !

... specialists at UCLA, and researchers at the University of Pittsburgh and Emory University are collaborating with Cole. There are three classes of defensin peptides, and most research around the world has focused on alpha and beta defensins, the two types that humans still make. Cole studies theta-defensi...

Mushroom found to be a source of a new antibiotic: Plectasin

...und to be active against bacteria, fungi and viruses//. A recent research, published in the October issue of Nature, describes plectasin-the first defensin to be isolated from a fungus, the saprophytic ascomycete Pseudoplectania nigrella. Plectasin has primary, secondary and tertiary structures that close...

Researchers Discover New Clues To Identify Tooth Decay

...en with no tooth decay had higher levels of one particular type of AMP (alpha-defensin) than children with tooth decay. Therefore, low levels of alpha defensin might be a biological factor that contributes to making some children naturally more susceptible to tooth decay. Researchers had said that while...

Scientists Discover Ways To Block Virus From Attacking Cells

...by the immune system // to ward off viruses. However, it was unclear how defensins worked. Now UCLA and NIH scientists have discovered that a specific defensin called retrocyclin-2 (RC2) binds to carbohydrate-containing proteins in cell membranes. This mechanism erects molecular barricades that block attackin...
Defensin in Biological News

NIH funds $9.5 million for research on HIV and the human innate immune system

... and collaborative and tap the expertise of researchers in innate immunity, defensin biology, structural chemistry, HIV immunology, dermatology, oral medicine a... and collaborative and tap the expertise of researchers in innate immunity, defensin biology, structural chemistry, HIV immunology, dermatology, oral medicine a...

Protein marker for schizophrenia risk

...oteins responsible for killing microbes and viruses in the innate immune response. Bahn and colleagues confirmed their findings by examining alpha defensin levels in the blood of 21 twin pairs discordant for schizophrenia (where one sibling manifests the disease while the other does not). In these twin se...

Bypassing the insulin highway

...n with glucose levels. During bacterial infection, defensin production can increase dramatically, a rise that ...many patients with type II diabetes have decreased defensin levels. To study this connection further, Wenhong Cao and colleagues tested the effects of human defensin HNP-1 on both isolated cells and rodent models. Tr...

Newly found sensing system enables certain bacteria to resist human immune defenses

...boratories (RML), the scientists used the gram-positive bacterium Staphylococcus epidermidis to study its response to a specific human AMP, human beta defensin 3. S. epidermidis is one of several hard-to-treat infectious agents that can be transmitted to patients in hospitals via contaminated medical implants...

Defense peptide found in primates may block some human HIV transmissions

... specialists at UCLA, and researchers at the University of Pittsburgh and Emory University are collaborating with Cole. There are three classes of defensin peptides, and most research around the world has focused on alpha and beta defensins, the two types that humans still make. Cole studies theta-defensi...
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