Perform an experiment that demonstrates how we can harness the catalytic power of a hard - working
class of proteins called enzymes in industry.
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.
To find out, she and her MIT colleagues targeted
a class of proteins called TRPV1 channels, which are found in neurons that respond to heat and certain chemicals in food.
Cry4 is part of
a class of proteins called cryptochromes, which are known to be involved in circadian rhythms, or biological sleep cycles (SN: 10/02/17, p. 6).
Aiolos is a member of
a class of proteins called transcription factors — proteins that control which genes are turned on or off by binding to DNA and other proteins.
Not exact matches
The largest
class of human target
proteins for drugs are the so -
called G -
protein - coupled receptors.
In this study, the SIgN team discovered for the first time that the integrity
of p53 affects the production
of a special cell surface
protein called Major Histocompatibility Complex (MHC)
class I. MHC
class I molecules on the cancer cell surface serve as targets for the immune system.
They've been bred to lack
proteins — members
of a family
called MHCI (which stands for major histocompatibility complex
class I)-- crucial to fighting pathogens.
Ovaa and Neefjes» team decided to look at another
class of proteins,
called phosphatases, that act in the opposite way from kinases to see if inhibiting them would have a similar effect.
Six years ago, Tanzi and neuroscientist Robert Moir, also at MGH, decided to test a hunch that ß amyloid behaves similarly to a
class of proteins with well - known beneficial properties,
called antimicrobial peptides, or AMPs.
Sonnenberg, Hepworth, and their colleagues deleted a
protein called RORγt, required for one
class of ILCs, in mice.
A
class of molecules in the cell
called chaperones have the job
of binding to parts
of proteins that come unfolded, and the researchers found that the unfolded
protein interacted more with chaperones than did the properly folded
protein.
These biologic therapies use an antibody
class called immunoglobulin - G (IgG) to bind to and prevent the activity
of specific
proteins or growth factors.
In 2012, a group from the RIKEN Center for Life Science Technologies, in collaboration with SISSA, an Italian University, discovered a new
class of mouse lncRNAs, which are
called «antisense» because their can pair with typical
protein - coding mRNAs and enhance their translation.
BET
proteins can have a huge impact on gene activity because they belong to a
class of molecules
called epigenetic readers, which recognize special marks on DNA -
protein complexes and attract gene - activating
proteins to those spots.
The most notorious example
of this
class is HIV proteinase, commonly
called HIV protease, which helps the virus cut a long polypeptide into functional
proteins; it has become the target
of several successful AIDS drugs.
Despite the substantial differences between these two
classes of natural products, each is synthesized biologically under the control
of exceptionally large, multifunctional
proteins termed polyketide synthases (PKSs) and non-ribosomal peptide synthetases (NRPSs) that contain repeated, coordinated groups
of active sites
called modules, in which each module is responsible for catalysis
of one complete cycle
of polyketide or polypeptide chain elongation and associated functional group modifications.
His work helped discover a
class of molecules
called core
protein allosteric modulators, or CpAMs, that disrupt capsid
protein assembly.
Dr. Yang's team has developed the new
class of protein - based contrast agents and tested one
called ProCA32 that enabled a much earlier detection
of liver cancer tumors in mice.
In the course
of seeking new treatments for brucellosis, scientists discovered that Brucella contains a
class of signaling
proteins called LOVs.
The multidisciplinary team
of researchers from the Centre for Developmental Neurobiology (CDN) at the Institute
of Psychiatry, Psychology & Neuroscience (IoPPN), and the MRC Centre for Neurodevelopmental Disorders (MRC CNDD), found that a particular
class of basket cells does not function properly in the absence
of a
protein called ErbB4, making and receiving fewer connections with other neurons.
These therapies, the first an antibody and the second
of a
class called tyrosine kinase inhibitors (TKIs), reduce the ability
of a target gene to manufacture the
protein it encodes.
In their recent study, the UCSF team reports the discovery that a
class of commonly prescribed Type - 2 diabetes drugs,
called TZDs (thiazolidinediones, such as Actos and Avandia), promoted the conversion
of white fat cells into brown (in mice and culture dishes) by stabilizing the PRDM16
protein.
Sirt4 belongs to a
class of proteins,
called sirtuins, known to regulate aspects
of longevity, metabolism, genome stability, diabetes and neurodegeneration.
piRNAs are small RNA molecules (26 - 31 nucleotides in length) that bind to a
class of germline - specific
proteins called PIWIs.
Hopes have been highest for a
class of compounds
called histone deacetylase (HDAC) inhibitors, which turn off
proteins that shut down gene expression.
Dr. Vilcek's contributions to the understanding
of proteins that control the body's defenses were instrumental in the development
of the anti-inflammatory drug Remicade ®, the first member
of a new
class of therapeutics
called TNF blockers that are now widely used for the treatment
of Crohn's disease, ulcerative colitis, rheumatoid arthritis, ankylosing spondylitis, psoriasis, and other chronic inflammatory disorders.
This is accomplished by a
class of enzymes
called protein arginine methyltransferases (PRMTs).
A
class of drugs
called EZH2 inhibitors are currently in clinical development for both hematological malignancies and solid tumors and may be effectively targeted to epithelial ovarian cancers overexpressing the CARM1
protein.
In the latest issue
of the Journal
of Clinical Investigation, available today online, Dr. Farese and his team show how a
protein called progranulin prevents a
class of cells
called microglia from becoming «hyperactive.»
In the study, functional Ikaros
protein produced from the one remaining normal Ikaros gene was restored with a novel
class of drugs that target a specific enzyme
called casein kinase 2 or CK2.
In the New York Times bestseller The Plant Paradox, Dr. Steven Gundry introduced readers to the hidden toxins lurking in seemingly healthy foods like tomatoes, zucchini, quinoa, and brown rice: a
class of plant - based
proteins called lectins.
Called «pulses,» this unique
class of protein - rich carbs includes lentils, chickpeas, and many varieties
of beans.
One such
class of profoundly problematic
proteins belongs to a group
called prolamins.