Activation

An HIV Protein Plays a Surprising Role in Gene Activation

Retroviruses are expert manipulators when it comes to co-opting their host's cellular resources. A great deal of human complexity stems from the vast repertoire of proteins and mechanisms dedicated to the business of regulating gene expression, and retroviruses like HIV have evolved myriad ways of redirecting that machinery to their own benefit. Humans and other eukaryotes have three type...

Activation of thermoreceptors mediates raw garlic's burning pungency

The worldwide popularity of garlic as a food ingredient and its therapeutic stature in folklore both stem in part from the distinctive pungency associated with its raw, uncooked state. Researchers this week report that this pungency, manifested as a characteristic mixture of burning and prickling sensations and flavor, can be ascribed largely to the effects of a particular compound and its abilit...

Activation of a protein solidifies fear memory in the brain

When activated, a specific protein in the brain enhances long-term storage of fearful memories and strengthens previously established fearful memories, Yale School of Medicine researchers report this week in Nature Neuroscience. "This report is the first to demonstrate evidence of enhancements in memory reconsolidation in the brain," said the senior author, Jane Taylor, associate professor...

EGF receptor activation prevents microbes from going more than skin deep

Our skin not only serves as a physical barrier against infection but skin cells themselves can mount an immune response to kill invading microbes by producing antimicrobial polypeptides (AMPs). As overt infection in the skin is a rare event, researchers have theorized that AMPs must not only help fight infection, but play a role in preventing infection from developing in the first place. I...

Activation of microRNA inhibits cancer gene in human cancer cells

Scientists report that tumor cells display a dramatic reduction of cancer-causing genes when a newly discovered method is used to activate the expression of protective microRNAs in the cancer cell genome. The research, published in the June issue of Cancer Cell, demonstrates that agents known to regulate gene expression can also impact regulatory RNAs that may function as tumor suppressors in nor...

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Activation at Biology Products

Monocyte Activation Kit from 3H Biomedical AB

Description:Complete cell culture media with cytokines...
Company:3H Biomedical AB

Activation at Biology Technology

Assess the In Vivo Activation of Signal Transduction Pathways with PathDetect Reporting Systems

Assess the In Vivo Activation of Signal Transduction Pathways withPathDetect Stratagene Signal transduction is essential to many cellular processes, such asgrowth, differentiation, an...

Ca++-Induced G Protein Coupled Receptor (GPCR) Activation Monitored via Aequorin Luminescence in the LMax Microplate Luminometer (MaxLine Application Note #42)

Jinfang Liao, M.D., Ph.D. and Evelyn McGown, Ph.D. Molecular Devices Corporation, 8/00 The photoprotein aequorin, a bioluminescent protein from the coelentratejellyfish Aequorea victorea, has proven to be highly sensitive to the trace amount of Ca in cells. The aequorin complex which contains the...

High-content screening of GPCR activation with MetaXpress, AcuityXpress and the Transfluor assay system

By Susan Catalano, Ph.D., Acumen Pharmaceuticals, Sylvia de Bruin, Joe Bosworth, Ph.D., Neal Gliksman, Ph.D., Kimberly Best, Ph.D. and Paula Rickert, Ph.D., Molecular De...

Inactivation of Contaminating Templates in PCR Using High Intensity Ultraviolet Light

Amplification of DNA through the polymerase chain reaction (PCR) is a highly sensitive method capable of copying millions of DNA molecules from just a single molecule. Because of the extreme sensitivity of this method, any carry-over product from previous reactions can result in false positiv...

Caspase-3 Activation - An Indicator of Apoptosis in Image-Based Assays

The understanding of the cellular signaling processes leading to programmed cell death (apoptosis) is of utmost importance in the study of autoimmune diseases such as rheumatoid arthritis or Parkinsons and Alzheimers disease. Here, errors in the signaling cascade are believed to lead to premature apoptosis in the affected t...

Activation at Biology Definition

Activation energy

to occur. For a reaction to occur betw...

Activation at Biology Dictionary

Activation energy

The <A href="http:/ / en.wikipedia.org/ wiki/ Activation_energy" target="_...

Activation at Medicine News

Researchers Identify Role Of Protein In Sperm Hyperactivation

Reserachers from the Harvard Medical School have been able to identify a vital component of the mechanism that a sperm uses to speed up its integration with the egg so that fertilization can take place. Reserachers say this study could provide useful pointers when examining the issue of male infertility.// "No one had ever seen inside sperm cells to measure all the currents that contr...

Inactivation of Rad9 in Tumor Cells Would Be Advantageous In Cancer Therapy

A study conducted by Tej K. Pandita, Ph.D., associate professor of radiation oncology at Siteman Cancer Center, Washington University School of Medicine and Barnes-Jewish Hospital said that // inactivation of mammalian Rad9 in Tumor Cells Would Be Advantageous In Cancer Therapy. Rad9 checks for DNA damage, and fixes dangerous breaks in the DNA double helix. It is active in telomeres w...

Non-Coding RNA Vital For Gene Activation And Protein Expression

Scientists at University of California have gained valuable insights about the differentiation of embryonic stem cells of fruit fly// , a finding that may eventually accelerate current research on stem cells and cancer. The research is a joint effort by Dr. Frank Sauer (UCR Biochemistry Professor), Dr. Elisabeth Kremmer (Institut für Molekulare Immunologie, Munich) and other researche...

Activation of a Particular Brain Region Predicts Altruism: Study

Researchers have discovered that activation of a particular brain region predicts whether people tend to be selfish or altruistic.// The results of this Duke University Medical Center study were published in the Sunday, Jan 21 online edition of Nature Neuroscience. "Although understanding the function of this brain region may not necessarily identify what drives people like Mother Ther...

Stress Protein Inactivation Cuts Alzheimer's Peptide in Mice

While previous studies have already revealed that stress boosts the production of a brain peptide critical to Alzheimers disease, a new study on mice has now shown that blocking a different brain peptide slows the stress-induced increases. The study, reported online in the Proceedings of the National Academy of Sciences by scientists from Washington University School of Medicine in...

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Resveratrol Studies Suggest Broad Implications for SIRT1 Activation in Neurodegenerative Diseases of Aging Such as Alzheimer's Disease

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Jun 26, 2007 - SirtrisPharmaceuticals, Inc. (NASDAQ: SIRT), a biopharmaceutical companyfocused on discovering and developing small molecule drugs to treatdiseases of aging, announced today that activation of SIRT1, amember of the sirtuin family of enzymes, was shown to protectagainst neurodegenerative diseases such as Alzheimer's Disease andAmyotrophic Lat...