Not exact matches
One is PEG - asparaginase, a version of E. coli asparaginase that has been chemically modified to extend the
drug's effect by reducing excretion by the kidneys and formation of antibodies
against the
protein.
To learn how Mycobacterium tuberculosis mounts a defense
against a
drug, Baliga is first looking within the bacterium, identifying the genes,
proteins and other molecules that interact as the microbe infects a host.
Chemogenomics is a new concept where
drug design and screening is conducted at the genome level for selective
drug discovery effort
against one target among a large family of related
proteins / receptors.
In contrast to viral
proteins, the host targets are less prone to mutations and thus
drugs targeting them could be more effective
against viruses, which mutate easily.
The extreme diversity of the PfEMP1 genes and
proteins may be a problem, however, because a
drug that disables one
protein might not work so well
against another.
That knowledge and the cloaking
proteins themselves might now be turned
against the toxin - the deadliest known to humankind - to deliver vaccines or
drugs that could prevent or treat the disease.
New supercomputer simulations have revealed the role of transport
proteins called efflux pumps in creating
drug - resistance in bacteria, research that could lead to improving the
drugs» effectiveness
against life - threatening diseases and restoring the efficacy of defunct antibiotics.
Paradoxically, some
drugs that disable Hsp90 have shown promise
against cancer, by stopping the cancer from building
proteins it needs to survive.
This will give way to the development of a
drug to be used in gene therapy
against neurodegenerative diseases based on small molecules which enhance the expression of the gene and / or the use of fragments of the Klotho
protein itself.
«Identifying a cancer driver is crucial for cancer treatment because it allows the use of targeted therapies, which have less side - effects than conventional chemotherapy
drugs,
against a particular
protein,» said Kurokawa.
They also showed that
drugs against a type of breast tumor called HER2 positive breast cancer — such as the dual ERBB2 / EGFR inhibitor lapatinib — potentially could benefit more patients than currently receive them, if analysis of the tumor
proteins is taken into consideration.
To find
drugs that act specifically
against a
protein without also binding to others that are similar — and so causing side effects — it is important to understand this binding site in detail.
An entire class of
proteins called transcription factors, which regulate the activity of certain genes by interacting with specific sequences of DNA, has largely been ignored by the pharmaceutical industry because it's difficult to design and screen
drugs against them.
Since these
proteins serve as «master regulators» for controlling whole gene programs,
drugs against these targets could have broader effects than traditional ones that block single enzymes.»
A class of therapeutic
drugs known as
protein kinase inhibitors has in the past decade become a powerful weapon in the fight
against various life - threatening diseases, including certain types of leukemia, lung cancer, kidney cancer and squamous cell cancer of the head and neck.
«Agents that block the
proteins — CDK4 / 6 inhibitors — have received Food and
Drug administration approval for some patients with metastatic breast cancer, but they've also shown promise
against others types of tumors in clinical trials.
This approach, in which structure and activity is not linked to a specific
protein target, can cause other difficulties and slow the progress of discovery, not least because of the difficulty of assessing relevant toxicity
against host mechanisms and the inability to use structure - guided
drug - design to drive Medicinal Chemistry progress.
The researchers will use their findings to focus on developing
drugs in the future that work
against BCL - 2
proteins for potential treatments.
With this knowledge, computer models can measure millions of potential
drug molecules
against the tau
protein, giving immediate clues to suggest which should be tested further.
Therefore, we investigated the currently used
drugs and existing compounds with activity
against cancer - related
proteins and their first neighbours in the SignaLink network to point out and select potential new anti-cancer
drugs (Fig. 5a).
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Campbell writes on page 51 of The China Study that he first investigated the effect of dietary casein on
drug - metabolizing enzymes in order to test the hypothesis that low -
protein diets might protect
against cancer:
Unfortunately for some cats, the
drug can not be used long term because the immune system recognizes the
drug as «foreign» and will make antibodies (immune
proteins)
against it.
You'll see similar ones about «curing cancer» when they've identified a new
protein that MIGHT be a
drug target,
against which
drugs MIGHT be developed, which MIGHT or MIGHT NOT be better than current
drugs and which will only come to market in 15 years.