Jefferson Scientists Find Further Proof Of Damage To The FHIT Gene In Breast Cancers
...he FHIT gene at its most fragile area and areduced expression of the Fhit protein. She reports her team... site in the FHIT genelead to reduced Fhit protein expression in sporadic cancers and in a much largerfraction of BRCA2-associated familial cancer," Dr. Huebner e...New Discovery May Lead To Control Of Production Of Key Proteins
... it would be advantageous to beable to control the expression of these gene products," Brewer said. "One meansto control the expression of these proteins would be to control AUF1 because itdetermines how much of these messenger RNAs are......h morphologically and on the basisof limb-specific expression of molecular markers (e.g. Hox genes). For example...Tbx4 in the presumptive forelimbregion induced the expression of hindlimb specific genes. In some cases Takeuchiet al could also induce the development of 4 digit...Rockefeller University Scientists Receive Prestigious Awards For Cancer Research
... changes in the patterns of gene expression. Gene expression isin turn regulated mainly at the level of transcription, the process of making"messenger" RNA copies of the DNA sequences which comprise the genes. For the past 25 years, Dr. Roeder's laboratory has pioneered biochemical studiesof, and made fundam...Key Peptides Found That Stop -- Even Reverse -- Kidney Disease In Lupus
...nd B cells oflupus have a regulatory defect in the expression of a molecule called CD40ligand, which results in abnormal costimulatory signals that sustain productionof autoantibodies. This discovery has led to another type of therapy for lupususing anti-CD40 ligand antibody. The Northwestern investigat...University of Pittsburgh Medical Center performs first in vivo gene therapy for hemophilia A
... gene todeliver. Physicians also will measure the expression of the FVIII gene intreated patients. Patients will be monitored closely for one year aftertreatment for safety and duration of FVIII response. Subsequently, they will beenrolled in a long-term surveillance registry. Hemophilia A is a bleed...New marking system gives scientists first real view of immune memory cells
...nggenetically engineered mice. In these mice, the expression of the reporter geneis blocked by an intervening piece of DNA that separates it from the promoter. The scientists engineered into these same mice a second gene (CRE recombinase)that transiently turns on in the cells activated by virus infection. Thi...Roundworm studies yield new insight into organ formation
...sing the modified enzyme, theytraced the protein's expression within the developing worm. "We found that the me...frankly, we werenot expecting the body wall muscle expression to be important in gonaddevelopment." Next, the investigators constructed two kinds of "mini-genes"...New mechanism for regulating gene expression discovered
...ing the complexities ofgene regulation and protein expression is crucial to scientists' understandingof developm...1, one of a family of proteins that regulates gene expression by bindingdirectly to DNA, the carrier of genetic material. The human members of this protei...Schizophrenia possibly linked to early brain development
...nductive interactions," he said. "Itmodulates gene expression and is thought to play a central role in embryonicdevelopment." LaMantia has studied forebrain development in the mouse, largely becauseof its similarity to the human forebrain. He has identified abnormalities inmouse embryos that result from......pert inprotein crystallography and recombinant DNA expression biochemistry. Theoverarching aim of his research is to understand how pathogens gain entry tomammalian cell targets during disease processes. Dr. Ghosh's current researchon the mechanisms of host cell invasion by various pathogens promises toelucid......d. "It's one of the first attempts to look at gene expression inmicrogravity."...... His technology was developed to examine the expression of all 6,000genes from brewer's yeast simultaneously. But, Flotte said, the same technologywill be used to study complex processes in human cells, such as the developmentof cancer. "I am convinced that only now are we in a position to real...U-M scientists identify genes that make blood "thicker" and more likely to clot as we get older
...eath. "The AE5' element appears to control stable expression of Factor IX, socoagulation can continue throughou...late the normal pattern of increased Factor IXgene expression with age." Kurachi stresses that the discovery of the key roles played by these two geneticelements ...Factor for acquiring skin barrier function identified
... to specific sites on the DNAstrand and turns gene expression on or off. Genetically engineered mice that lacked the Klf4 gene looked identical to normalmice at birth, but lost weight rapidly and died 12 hours after birth. WhenSegre immersed these newborn mice in a blue dye solution, they absorbed the dye,turn...Genetic resistance to chemically-induced diabetes in mice linked to elevated antioxidant levels
...togenic stress may be attributed to differences in expression of atranscription factor that activates a battery of stress-response genes.Transcription factors are molecules that turn on or off the process of proteinsynthesis in which genes are copied for activation in the cell. The research was supporte...Social behavior transformed with one new gene
...a single gene can lead to a new pattern ofreceptor expression in the brain and then result in this profound difference insomething as complex as social behavior." Although a multitude of genes are likely to be involved in the evolutionof monogamy, this work is an important step in beginning to identify ...... Diamond. "We've achieved a 63-foldincrease in the expression of beta galactosidase with the addition of thenuclear protein sequence versus using the plasmid DNA alone. Eighty percent ofthe cells made beta galactosidase." The 38-amino-acid-long nuclear targetingsequence binds to another protein called transport...Study identifies key molecular mechanism in cancer and rheumatoid arthritis
... The activation of NF-kappaB,in turn, leads to the expression of a protein called c-Myc -- a centralregulator of cell growth, death, and differentiation. "We know that c-Myc is essential for proliferation," Makarov says. "However,c-Myc causes cell death when it is over-expressed. In the presence of growthfactor...UNC-CH chemists develop better gene mutation detection method
... 2000 and will usethe new approach to analyze gene expression in whole cells, said Thorp. The chemist founded Xanthon in 1996 with Jim Skinner and Carson Loomis.The company is financed by local investors, including Intersouth Partners,Franklin Street/Fairview Capital, The Aurora Funds, Centennial Ventur...