Diatom genome reveals key role in biosphere's carbon cycle
...donana prospers in the marine environment while it contributes to absorbing the major greenhouse gas CO2,in amounts comparable to all the world's tropical rain forests combined. "This critical information enables us to better understand the vital role that diatoms and other phytoplankton play in mediating glo...Dying cells encourage neighbors to grow
...lasia. It remains to be tested if such a mechanism contributes to hyperplasia in mouse models and human malignancies," offers Dr. Steller. ......7. CERN's progress in information technology often contributes to improvements in other fields. This is the case, for instance, of the UNOSAT project, an internet-based service that provides UN agencies, NGOs and other institutions, with high quality satellite maps to support humanitarian operations, to study an...Toward a better understanding of taste and smell impairments
...arch Center (CCRC) to investigate how inflammation contributes to clinical changes in smell and taste. Information gained from the studies will form the foundation of new approaches to avoid or overcome the sometimes debilitating effects of chemosensory dysfunction. Approximately six million Americans suffe...UCR researchers identify key plant enzyme that defends against multiple infections
...e Rojo, have now shown that this key plant protein contributes to defense against bacterial, fungal and viral pathogens in plants by activating programmed cell death pathways. They have discovered that mutants lacking this protein have an increased susceptibility to these pathogens. These results have signifi...Protein protecting brain from toxins also blocks some chemotherapy from reaching tumors
...ng evidence that over-expression of Mrp4 in tumors contributes to topotecan resistance in patients. "Our work has important implications for therapies that target brain tumors with specific types of drugs that are transported by Mrp4," Schuetz said. "There is an expanding array of these types of drugs being dev...New insight into progression of colorectal cancer
...have uncovered a specific signaling mechanism that contributes to the development of colorectal cancer, one of the most common deadly human cancers. The discovery furthers the understanding of mechanisms that contribute to disease progression and provides new avenues for development of therapies for colorectal c......search, scientists have found that a specific gene contributes to autism and that autistic people have fewer rece...gers University have isolated a specific gene that contributes to ASD. In searching for the gene, the researchers focused on previous research showing that aut...Nitric oxide is essential for animal development
...y NO synthases (NOS), it regulates blood pressure, contributes to the immune response, controls neurotransmission, and participates in cell differentiation; in fact, the list of the physiological functions for which NO action is important continues to grow. Nonetheless, it has long remained an open question whet...Potential new oncogene may be missing link in cancer-causing chain
...ne that codes for LRP6 is an oncogene--a gene that contributes to tumor development when overactivated. "Because no one has ever connected LRP6 to proliferation in tumors, we believe we may have identified a new oncogene," says Guojun Bu, Ph.D., associate professor of pediatrics and of cell biology and physiolog...Scientists closing in on nerve proteins' contributions to memory and hearing loss
...inside it. The exterior portion, known as Nrg-ECD, contributes to the formation of synapses, areas where two nerve cells communicate across a small physical gap, and to other aspects of nervous system development and communication. Until recently, researchers gave little attention to Nrg-ICD, the interior por...Research uncovers role of Apolipoprotein E in Alzheimer's disease
...as defined how the protein Apolipoprotein E (ApoE) contributes to both the formation of amyloid brain lesions and the memory loss associated with Alzheimer's disease. The research, conducted jointly by USF and the Byrd Institute, is published in the October 2004 issues of the Journal of Alzheimer's Disease and ...JCI table of contents November 1, 2004
...se. TITLE: Genetic variation in ABC transporter A1 contributes to HDL cholesterol in the general population AUTHOR CONTACT: Anne Tybjrg-Hansen Copenhagen University Hospital, Blegdamsvej 9, DK-2100 Copenhagen , Denmark Phone: 45-3545-4159; Fax: 45-3545-4160; E-mail: at-h@rh.dk View the PDF of this article at: ...Cell enzyme may help suppress cancer development
...ncer process. When the loss or silencing of a gene contributes to cancer, the gene is called a tumor-suppressor gene. That is, the normal activity of the gene suppresses cancer development. xamined the PTPRO gene for methylation in 43 primary human lung tumors and their matching normal adjacent tissue. Fif...Scientists find acid rain an unlikely ally in the battle against a greenhouse gas
...ng methane, a greenhouse gas. Methane, a gas that contributes to warming our planet, is produced by natural processes and human activities. Increased amounts of methane and other greenhouse gases in our atmosphere are warming the Earth beyond its average temperature. Carbon, heat and moisture are known to inf...New findings may redirect strategies for treatment of prostate cancer
...logical role in normal male sexual development and contributes to the progression of prostate cancer. About one-third of prostate cancer patients develop metastatic disease and receive treatment to block androgen production and the AR itself. Unfortunately, although this treatment may work for some time, the dis...JCI table of contents, November 15 2004
...t "the discovery of the basis for type 2 mosaicism contributes to our understanding of gene mosaicism as well as of embryologic development of the ectoderm." This study will prompt further examination of the mechanisms of embryologic development of the ectoderm and the causes of other patterned epidermal and der...Researchers piece together the puzzle of Hailey-Hailey skin disease
...t "the discovery of the basis for type 2 mosaicism contributes to our understanding of gene mosaicism as well as of embryologic development of the ectoderm." This study will prompt further examination of the mechanisms of embryologic development of the ectoderm and the causes of other patterned epidermal and der...Random gene activation helps ulcer bug escape immune system
.... 19, 2004 -- The bacterium that causes ulcers and contributes to stomach cancers uses a clever interaction between two genes to randomly tighten and loosen its grip on the stomach, according to a study by researchers at Washington University School of Medicine in St. Louis and Ume University in Sweden. Helicoba......iments revealed that in some cases, AMP-1 activity contributes to longer lives and may work in parallel with previously established molecular players, such as Daf-16, a transcription factor important during insulin signaling. This study has broad implications for human aging research. Apfeld remarks "The discov...