Using human cancer cell lines helps, but the crucial interplay between the cancers and their host environments is absent.
In studies
using human cancer cell lines, a new, never - described compound known as BMH - 21 destroyed this critical communication pathway.
(NaturalHealth365) Consumers already concerned about vaccine dangers are likely to find little reassurance in recent reports that Food and Drug Administration (FDA) officials are giving vaccine manufacturers the green light to
use human cancer cells to produce future vaccines.
Not exact matches
Available epidemiologic studies in
humans have «not shown clear evidence of a relationship between
cell phone
use and
cancer,» according to the National Cancer Institute, although this remains a topic of debate among resear
cancer,» according to the National
Cancer Institute, although this remains a topic of debate among resear
Cancer Institute, although this remains a topic of debate among researchers.
This technique has been
used, as Arnold reports, to trace the progress of
cancers, advance our understanding of obesity and diabetes, and prove that brain
cells continue to form through a
human being's lifetime.
Using the modified system,
human melanoma and breast
cancers as well as mouse melanoma
cells were diagnosed with greater ease and efficiency.
Using this biosensor in highly invasive breast
cancer cells taken from rodents and
humans, the Einstein team discovered that when an individual invadopodium forms and is actively degrading the ECM, its Rac1 levels are low; on the other hand, elevated Rac1 levels coincide with the invadopodium's disappearance.
A DEVICE that filters
cancer cells from
human blood
using sound could help to identify tumour
cells that have spread.
The stem
cells, derived from
human umbilical cord - blood and coaxed into an embryonic - like state, were grown without the conventional
use of viruses, which can mutate genes and initiate
cancers, according to the scientists.
Using both fruit fly and
human lung
cancer cell lines, researchers targeted two of the most common genetic mutations associated with NSCLC — Ras and PTEN (P13K).
Human chondrosarcoma HCS - 2 / 8
cells, which are a type of benign bone
cancer cells, can be
used to investigate how optimization of culture conditions could improve the synthesis of cartilage - specific molecules.»
To see whether
cancer stem
cell renewal involves a chain of events similar to that
used by embryonic stem
cells, and whether the process was affected by oxygen levels, Semenza and graduate student Chuanzhao Zhang focused their studies on two
human breast
cancer cell lines that responded to low oxygen by ramping up production of the protein ALKBH5, which removes methyl groups from mRNAs.
Exploiting the same pre-clinical model
used for their studies, the researchers are testing the efficacy of this kind of drug candidates against
cancer stem
cells, and the possibility of identifying combination regimens with standard chemotherapies with minimized toxic effects, with the perspective of their possible application for the treatment of
human breast
cancer.
Using in vitro, or test tube, experiments, the researchers applied these chemicals to
human cancer cells to measure changes of estrogen receptor - and androgen receptor - target genes and transcriptional activity.
In research published in BioMetals, UJ3 is shown to be as effective against
human esophageal
cancer cells, as a widely -
used chemotherapy drug in
use today.
The
use of bone marrow - derived stem
cells is well established in the treatment of
human cancer patients, and veterinary applications for bone marrow - and adipose - derived stem
cells are being evaluated.
A team of researchers in Germany and Denmark led by Steven Johnsen, Professor at the University Medical Center Göttingen, Germany,
used human prostate
cancer cell lines and depleted them of the DNA - binding protein CHD1.
By
using molecular genetic tools to reduce the amount of PC in
human lung
cancer cells, the team observed decreased
cell growth, a compromised ability to form colonies in soft agar (a gelatinous material specifically
used to grow bacteria and other
cells), and a reduced rate of tumor growth in mice.
In preclinical experiments
using human prostate
cancer cell lines, Fu's team showed that increased PLK1 expression activated an oncogene known as c - RAF, which has previously been shown to play a role in regulating
cell growth and division.
In the lab, the scientific team
used an approach that combined functional RNAi analysis with gene expression analysis in breast
cancer - derived
cell lines and in
human breast
cancers replicated in mice.
Over the past two years, investigators from the Perelman School of Medicine at the University of Pennsylvania have reported results from a
human trial in GBM
using chimeric antigen receptor (CAR) T
cell therapy, through which patients» own T
cells were engineered to track down and kill
cancer cells that express a tumor - specific protein known as EGFRvIII.
The existence of
cancer stem
cells has already been reported in a number of
human cancers, explains Professor Jacobsen, but previous findings have remained controversial since the lab tests
used to establish the identity of
cancer stem
cells have been shown to be unreliable and, in any case, do not reflect the «real situation» in an intact tumour in a patient.
«If further studies validate that these processes are critical in
human breast
cancers,» Koshy notes, «the possibility exists that agents that favorably modify the biophysical properties of the extracellular matrix, or that target the receptors and signaling molecules associated with how
cells sense this matrix, could be
used as a new avenue for the prevention or treatment of breast
cancers.»
The transplantation of isolated
human hematopoietic stem
cells is
used in the treatment of anemia, immune deficiencies and other diseases, including
cancer.
In
human medicine EGFR is frequently
used as the target of
cancer immunotherapy because many
cancer cells bear this receptor on their surface.
The results of this original study are highly relevant to other
human diseases that dependent on genome instability, such as fungal infection or
cancer, and open new venues for anti-leishmanial drug discovery
using host - directed strategies that target the parasite's metabolic dependence on the host
cell, thus preventing the adaptive evolution of drug resistant parasites.
The goal of the first experiment was to see whether lncRNAs are differentially expressed in prostate
cancer by measuring total RNA from prostate
cancer cell lines and normal epithelial prostatic
cells using NCode
human ncRNA array and SurePrint G3
human lncRNA microarrays.
This means that these devices have the potential to be
used in the
human body in the future in applications such as drug delivery and locating
cancer cells.
The
human genome contains around 20,000 genes, by refining CRISPR - Cas9 technology and
using it to screen the leukemia genome the team uncovered a catalogue of approximately 500 genes that are essential for
cancer cell survival, including more than 200 genes for which drugs could be designed.
They have also
used AAV gene editing to introduce naturally occurring
cancer - causing mutations into the endogenous allele of the STAG2 tumor suppressor in
human cells -LRB-
They have also
used AAV gene editing to introduce naturally occurring
cancer - causing mutations into the endogenous allele of the STAG2 tumor suppressor in
human cells (Kim et al, 2016).
Nagrath, who directs Rice's Laboratory for Systems Biology of
Human Diseases, found that some
cancer cells are capable of
using these information packets as a source of energy to fuel tumor growth.
Many
human enzymes
use the metal to catalyze important reactions, but
cancer cells seem to need it more than healthy
cells.
The analysis of doxorubicin resistance in
human breast
cancer cells using antibody microarrays.
We chose this model because 1) it more closely recapitulates features of
human pancreatic
cancer than do s.c. - implanted tumors, 2) it can be
used in immunocompetent mice to permit assessment of immune responses, and 3) the
cells grow in vivo with predictable kinetics (34).
The critical roles of tumor - initiating
cells and the lymph node stromal microenvironment in
human colorectal
cancer extranodal metastasis
using a unique humanized orthotopic mouse model.
seek to identify the mutational processes underlying mutational signatures found in
cancers, characterise the mutational processes operating in normal
cells,
use phylogenetic analyses of somatic mutations in
humans to explore cellular lineages during embryonic development
We
use 3D stem
cell («organoid») cultures from mice and
humans to examine occurrence, level and molecular causes of CIN in
cancer (Video 2).
The study
used three
cell types:
human motor neurons derived from induced pluripotent stem
cells, rat cortical cultures, and
human breast
cancer cells.
Using cutting - edge techniques enabled by next - generation sequencing, the authors generated complete methylome maps at single nucleotide resolution in a low - passage breast
cancer cell line and normal breast tissue (primary
human mammary epithelial
cells).
The answers they have discovered so far reveal critical information about gene regulation; specifically, that
cells are
used to record the positional identity in
human tissues, and that the «perturbation,» the disturbance, of such programs plays a major role in
cancer progression, especially in metastasis, whereby
cancer cells spread to other parts of the body.
And we can also
use what we know about the genetics of the
human cancer to make mutations in normal
cells, and see how different mutations drive invasion.»
A major focus of their current
cancer research is
using animal,
cell - based, molecular, and biophysical approaches to investigate the role of HIF - 1 in vascular and lymphatic metastasis of
human breast
cancer.
Conditions for hypoxia / reoxygenation cycles were optimized
using two
human metastatic breast
cancer cell lines (MDA - MB 231 and BCM2).
• Patients must have adequate coagulation (international normalized ratio (INR) or prothrombin time (PT), partial thromboplastin time (PTT) ≤ 1.5 times ULN) • Adequate liver function (total bilirubin ≤ 1.5 times the ULN, alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 2.5 times ULN Exclusion Criteria: • Presence of active / uncontrolled central nervous system involvement • History of clinically significant cardiac disease; uncontrolled hypertension • Left ventricular ejection fraction (LVEF) < 45 % • Allogeneic stem
cell transplant within 100 days before first dose of study drug • Known history of
human immunodeficiency virus (HIV) infection • Chronic or active hepatitis B or C, requiring antiviral therapy • Evidence of history of bleeding disorder, dialysis, or coexisting
cancer that is distinct in primary site or histology from the
cancer evaluated in this study • Serious, uncontrolled infection • Unresolved chronic toxicity > grade 1 from prior therapy •
Use of strong CYP3A4 inhibitors or strong inducers within 7 days prior to the start of study treatment and for the duration of the study
51) Drost, J., van Boxtel, R., Blokzijl, F., Mizutani, T., Sasaki, N., Sasselli, V., de Ligt, J., Behjati, S., Grolleman, J.E., van Wezel, T., Nik - Zainal, S., Kuiper, R.P., Cuppen, E., and Clevers, H.
Use of CRISPR - modified
human stem
cell organoids to study the origin of mutational signatures in
cancer.
Using RNA interference (RNAi), first author Richard Possemato targeted these genes in
human breast
cancer cells implanted in mice.
I was trying to understand how pancreatic
cancer spreads (metastasises) to lymph nodes,
using human cells and mice to model the process in the lab.
canSAR contains information on the entire
human proteome — the protein equivalent of the
human genome - as well as linking to information on more than 1,000
cancer cells lines,
used by researchers to study the effect of new drugs in the lab.
The first UK license for CRISPR / Cas9
use in editing genes in
human embryos was granted in 2016, xvii and CRISPR - edited
cells to treat lung
cancer were administered in the world's first
human trials for the technique by a Chinese group in late 2016.