Cold Spring Harbor scientists reveal a protein's role in enabling AIDS virus to reproduce
... (CSHL) has discovered new details about how a simian
strain of the AIDS virus replicates. The findings ... led a team that studied a virulent strain of simian
immune-deficiency (SIV) virus called SIVsm/mac, ... machineries in order to reproduce. HIV and its simian
cousin SIV are members of a viral subspecies ...
AIDS-like Illness Found in African Chimps
... Park for nine years, watching what happened to those infected with a simian
equivalent of HIV.
Their findings appear in the July 23 issue of ... with the end stages of AIDS in humans.
Chimps appear to transmit the simian
equivalent of HIV just like humans, Hahn said: They spread it through sex. ...
Progression of SIV infection in monkeys raises
The study, Acute Loss of Intestinal CD4+ T Cells is Not Predictive of simian
Immunodeficiency Virus Virulence, challenges current thinking regarding ... to full-blown AIDS in humans, some non-human primates infected with simian
immunodeficiency virus (SIV) do not develop AIDS after such a depletion. ...
Yerkes researchers propose ambitious new strategies for AIDS vaccine research
... believe conventional vaccine strategies should not be the only avenue explored in the development of an effective AIDS vaccine. Based on studying simian
immunodeficiency viruses (SIVs) in African nonhuman primates, they propose an additional new approach to the AIDS vaccine research agenda in a ...
Vaccine Shields Monkeys From Simian Form of HIV
... hopes for the development of an AIDS vaccine that might actually work, researchers report they were able to protect monkeys against infection with simian
immunodeficiency virus (SIV), the primate version of HIV.
They did so by using a novel approach that delivered antibody-producing genes directly ...
New HIV Drug May Help Those Resistant to Therapy
... the drugs.
In the study, researchers tested the effectiveness of a molecule called D-1mT and anti-retroviral therapy (ART) in macaque monkeys with simian
immunodeficiency virus (SIV), which is similar to HIV in humans. After six days of treatment, only three of the macaques had detectable SIV levels, ...
OHSU vaccine research targets HIV in the slower, early stage of infection
... the spread of the virus."
To determine whether they could proactively "educate" the immune system, scientists used a monkey model of AIDS - simian
immunodeficiency virus (SIV) the monkey counterpart to HIV. They introduced an altered monkey form of cytomegalovirus (CMV) programmed to express ...
Possible AIDS Treatment Shows Promise in Monkeys
... In the new study, Amara and colleagues injected nine monkeys with an antibody that blocks a kind of "don't kill me" signal that cells infected with simian
immunodeficiency virus (SIV) send to immune cells.
When the SIV-infected cells emit the signal, "the killer cell thinks, 'You are not my enemy. ...
Hopes for AIDS Vaccine Still Alive Despite Setbacks
... led by pathologist David Watkins has successfully tested a vaccine that has provided monkeys with protection from up to 20 different strains of the simian
equivalent of HIV, using only T-cell mediated immunity.
Similar experiments have panned out well in pathologist Louis J. Picker's lab at the ...
World AIDS Vaccine Day 2008
... that can stimulate the production
of these antibodies in humans.
Finally, non-human primates immunized with a live, but weakened form of
equivalent of HIV are protected from infection. For safety
reasons, we cannot immunize humans with weakened HIV, but scientists are
actively studying ...
Simian in Medical Technology
Novel Vaccine Approach Offers Hope in Fight Against HIV
... technology that produces molecules that block infection, the scientists protected monkeys from infection by a virus closely related to HIV -- the simian
immunodeficiency virus, or SIV -- that causes AIDS in rhesus monkeys.
"We used a leapfrog strategy, bypassing the natural immune system response ...
GeoVax Starts Injections for Phase 2a Human HIV/AIDS Vaccine Trial in USA
... vaccinate infected people who
are already on drugs to test the safety and immunogenicity of the vaccine in
infected people. Therapeutic trials of a simian
immunodeficiency virus (SIV)
prototype of the GeoVax HIV vaccine in SIV infected primate animal models have
held high promise that the GeoVax vaccine ...
Indevus Pharmaceuticals Announces PRO 2000 Found to Show Promise in Large HIV Prevention Study
... causes gonorrhea. Vaginally applied PRO 2000 has been found to afford protection in mouse models for genital herpes infection and gonorrhea, and in a simian
model for vaginal HIV infection. Prior to initiation of the HPTN 035 trial, PRO 2000 had undergone extensive safety testing in several clinical ...
GeoVax Reports Progress on Its AIDS Vaccine Technology
... Human Clinical Trials in Planning Stages GeoVax also announced summary data from a pilot study on therapeutic
vaccination in simian
immunodeficiency virus (SIV) infected non-human
primates with the SIV prototype for the GeoVax AIDS vaccine. In this small
pilot study, conducted by ...
Simian in Medical Dictionary
crease Definition: A simian
crease is a single crease extending across the ... normally have three creases in their palms. simian
crease : A single transverse palmar crease, a ...
... Silicosis Silicosis - Acute Silver Syndrome ( Russell -Silver Syndrome ) Silver- Russell Syndrome ( Russell -Silver Syndrome ) simian
Crease ... Trades Union Congress (TUC) Congress House, Great Russell Street, London WC1 Tel: 020 7636 4030 Unison 1 Mabledon Place, London WC1H ...
... - Zoster Virus . S HIV : Genetic ally engineered hybrid virus having an HIV envelope and an SIV core. See Genetic Engineering; Hybrid; simian
Immuno deficiency Virus (SIV). shingles A viral infection of certain sensory nerve s that causes pain and blister s on the skin ...
... the head, loss of smell , ... SINUS ITIS : Inflammation of the mucous membrane of any sinus , especially of the nasal sinus es. SIV: See simian
Immuno deficiency Virus . SPINAL TAP: See Lumbar Puncture . SinuS eal resorbable nasal packing Resorbable nasal packing used to control ...
... in the head, loss of smell , ... SINUSITIS : Inflammation of the mucous membrane of any sinus , especially of the nasal sinus es. SIV: See simian
Immuno deficiency Virus . SPINAL TAP: See Lumbar Puncture . Some children with sinusitis have swelling around one or both eyes . This is ...
Simian in Biological News
Potential new HIV drug may help patients not responding to treatment
... in The Journal of Immunology . Scientists looking at monkeys with the simian
form of HIV were able to reduce the virus levels in the blood to ... with a molecule called D-1mT alongside Anti-Retroviral Therapy (ART).
Immunodeficiency Virus (SIV) is very similar to Human Immunodeficiency ...
Penn researchers find monkeys able to fend off AIDS-like symptoms with enhanced HIV vaccine
... in macaque monkeys provides the animals with greater protection against simian
HIV (SHIV) than an unmodified vaccine. This multi-year study found that ... effectively boosts the effects of a vaccine derived from the DNA of simian
HIV. The study illustrates that DNA vaccine effectiveness can be improved ...
Novel vaccine approach offers hope in fight against HIV
... technology that produces molecules that block infection, the scientists protected monkeys from infection by a virus closely related to HIVthe simian
immunodeficiency virus, or SIVthat causes AIDS in rhesus monkeys.
"We used a leapfrog strategy, bypassing the natural immune system response that ...
ASU researchers receive NIH awards for studies of malaria and emergent disease
... of California at Davis and the Fred Hutchinson Cancer Center in Seattle, will examine the evolution, recombination, emergence and exchange of simian
retroviruses between human and nonhuman primates. Escalante will also explore the dynamics of nonhuman malarial parasites as part of his ...
Why some primates, but not humans, can live with immunodeficiency viruses and not progress to AIDS
... undertaken to identify the source of the virus. These studies led to the discovery that chimpanzees and sooty mangabeys are infected in the wild with simian
immunodeficiency viruses (SIV), whose transmission to humans and macaques leads to AIDS.
Surprisingly, the natural hosts for the AIDS viruses, ...
Simian foamy virus found in several people living and working with monkeys in Asia
... Washington scientists has found that several people in South and Southeast Asian countries working and living around monkeys have been infected with simian
foamy virus (SFV), a primate virus that, to date, has not been shown to cause human disease. The findings provide more evidence that Asia, where ...
Big brains arose twice in higher primates
... History, and colleagues determined that the brains of the ancestors of modern Neotropical primates were as small as those of their early fossil simian
counterparts in the Old World. This means one of the hallmarks of primate biology, increased brain size, arose independently in isolated groupsthe ...
UC Davis researchers discover how HIV turns food-poisoning into lethal infection
... they developed a novel technique that allowed them to study early intestinal responses to Salmonella infection in rhesus macaques infected with simian
immunodeficiency virus (SIV), an established model for HIV infection.
We found that animals that had no SIV infection were able to generate ...
Performing monkeys in Asia carry viruses that could jump species to humans
... Indonesia, and tested those samples for various simian
viruses. They found that about half of the macaques tested positive for simian
foamy virus (SFV), a primate retrovirus that so ... in Asia. Two of the monkeys tested positive for simian
retrovirus (SRV), which, though it has been shown ...
Primate virus jumps species barrier to humans for first time in Asia
... case in Asia of primate-to-human transmission of simian
foamy virus (SFV), a retrovirus found in macaques ... AIDS in humans, is believed to have originated as simian
immunodeficiency virus (SIV), and jumped the ... macaques in the area. They found antibodies for simian
foamy virus in the blood of one 47-year-old ...
Simian in Biological Technology
GeoVax Labs, Inc. Provides Clinical Studies Update
... started on drugs within six months of testing positive for HIV," stated McNally.
He continued, "You will recall that trials conducted using a simian
immunodeficiency virus (SIV) prototype of the GeoVax HIV vaccine in SIV-infected primate animal models have held high promise that the GeoVax vaccine ...
GeoVax Labs, Inc. Announces Six Month Financial Results and Provides Operational Update
... to FDA approval.
- Planning for Therapeutic Human Trials -- GeoVax reported summary data from a pilot study on therapeutic vaccination in simian
immunodeficiency virus (SIV) infected non-human primates with the SIV prototype of GeoVax's AIDS vaccine. In this small pilot study, ...
JCI table of contents: April 22, 2008
... these data also have implications for PPAR-gamma agonists, which are currently used to treat individuals with type 2 diabetes.
TITLE: Human and simian
immunodeficiency viruses deregulate early hematopoiesis through a Nef/PPAR-gamma/STAT5 signaling pathway in macaques
Development of a Multiplex Bead-Based Assay for Antibody Screening of a Nonhuman Primate Colony on the Bio-Plex System
... colony for the viruses of greatest concern: simian
retrovirus (SRV), simian
T-cell leukemia virus (STLV), herpes B, and simian
immunodeficiency virus (SIV). To ...
Whole Gel Eluter Purification of a Functional Multiprotein DNA Replication Complex, Rev A
... containing complex was shown to have
a high specific in vitro simian
virus 40 (SV40) origin dependent DNA replication
activity. We ... E.
F., A 21S enzyme complex from HeLa cells that functions in simian
40 DNA replication in vitro, Biochemistry, 29 , 63626374 ...
New Mammalian Expression Vectors Employ Stable, High-Level Fluorescence
Humanized Renilla GFP Reporter
... cell types. Figure
5 illustrates the high-intensity fluorescence that resulted upon delivery
of hrGFP to human, rodent, and simian
cells. To further demonstrate
the high transduction efficiency of this retroviral vector, we analyzed
the fluorescence profile ...
Simian in Biological Products
Simian in Biological Definition
... diseases , heart problems, poor eyesight, and hearing problems. Other physical characteristics associated with the disorder include presence of a simian
Early educational intervention, screening for common problems such as thyroid functioning, medical treatment where indicated, a conducive ...
... ; type species: Walleye dermal sarcoma virus
Genus Lentivirus ; type species: Human immunodeficiency virus 1 ; others include simian
, Feline immunodeficiency viruses
Genus Spumavirus ; type species: Chimpanzee foamy virus
These were previously divided into three ...
Family Polyomaviridae - e.g. simian
Family Poxviridae - e.g. Cowpox virus , Variola virus ( smallpox )
Simian in Biological Dictionary
... Viral :: physiology :: [Transcriptional repressive activity of mutated E2 protein of human papillomavirus 2 (HPV-2) ... Human RALA (v-ral simian
leukemia viral oncogene homolog A (ras related)) See all paths ... Viral . Bacterial. Bovine. Canine. Chicken/Avian. Feline. Hamster ... Raf1 ...
... ... ... Control of Transformed Phenotype in Hybrids between SV40- Transformed and Normal Human Cells ... Genetics of Cell Transformation by simian
Virus 40. ... ... the goal of genetic transformation is to change an organism's traits ( phenotype ). Before any ... transformation ) ...
... detection of short Okazaki fragments together with a known replication speed ... Essentially all of the Okazaki fragments on replicating simian
virus 40 (SV40)DNA could be grouped into one of three classes. A combination of spectroscopic and calorimetric techniques was used to determine ...
... ... ectopic expression experiments: What happens if the gene is expressed aberrantly? ... high level gene expression in mammalian cells. simian
virus 40 early ... TaqMan® Gene Expression Master Mix. TaqMan® Universal PCR Master Mix. TaqMan® PreAmp Master Mix ... View All TaqMan® ...
... the phosphodiester bond within a ... Restriction endonucleases (Restriction Enzymes) cleave DNA at specific sites, ... Specific cleavage of simian
virus 40 DNA by restriction endonuclease of Hemophilus influenzae" ... new site-specific endonuclease StuI from Streptomyces ... ...