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Nov
18
2017

Has Major Cancer Gene Met Its Match?

By Samantha Bussell
When working on targeted therapeutic drug development in oncology, tumor mutation heterogeneity makes it difficult to treat all patients. However, there is one biomarker that has been found to affect 30% of all tumor cases- the RAS mutation. The abundance of this genomic abnormality was discovered via the ongoing investigations into targeted RAS cancer therapies. Researchers thus have been working to find a method to block the RAS pathway in all tumors, with the desired outcome to treat all patients regardless of differing cancer subtype.
Apr
19
2017

How Blocking DNA-Repairing Mechanisms Could Combat Glioblastomas

By Samantha Bussell
Glioblastomas — the most common and aggressive brain tumors in adults — can be difficult to treat because therapies only affect a proportion of tumor cells, which in turn leads to a poor survival rate in the patient population. It is hypothesized that a subgroup of cells within these tumors, identified as Glioblastoma Stem Cells (GSCs), reproduce making identical drug-resistant copies of themselves.
Mar
03
2017

A Predictive Model for Drug Response?

By Samantha Bussell
With an incident rate of 55,000 diagnosed cases per year, thyroid cancer is becoming the fastest-growing cancer type in the United States. Like other tumor classifications, genetic abnormalities and mutations play a key role in the proliferation of cancer cells; and although previously identified point mutations are observed in 90% of thyroid cancers, driver mutation intricacies have an opportunity for exploration. For example, the insulin-like growth factor 2 mRNA-binding protein 3’s (IGF2BP3) activation is still not fully understood.
Feb
10
2017

The Telomere: Does Length Impact Cancer Related Genomic Alterations?

By Samantha Bussell
Telomeres are regions of highly repetitive DNA at the end of a chromosome that assists in cellular duplication and rejuvenation. This physiological function has been historically associated with biological aging as the length of the telomere shortens after division and subsequently alters the effectiveness of DNA replication. However, a team of researchers at the Jackson Laboratory at the University of Texas MD Anderson Cancer Center (UTMD) have found that the length is also impactful in genetic alterations in 31 different types of metastatic tumors.
Jan
19
2017

Using Immunotherapy and Cell Alteration to Combat Lung Cancer

By Samantha Bussell
Huge strides are being made in the realm of Immuno-Oncology by a team of scientists at Sichuan University in West China. Nature reports that for the first time — as part of a clinical trial — an individual with aggressive lung cancer has been injected with their own cells engineered to express edited genes leveraging the CRISPR-Cas9 technique and targeting the PD-1 encoding gene. PD-1, which upon T-cell activation blocks the recognition of cancer cells as a foreign entity, impedes the immune responses innate ability to disrupt tumor cell proliferation. The CRISPR-Cas9 strategy combines a DNA-cutting enzyme along with molecular guide that can identify targets (such as PD-1) and replace the removed sequence with stretches of non-coding DNA.
Nov
15
2016

Research and Discovery Process in Drug Development

By Lauren Vagnone
BioIVT understands the importance of the R&D process, as there are multiple methods that can be leveraged from concept initiation to drug delivery. In an effort to assist in the advancement in personalized medicine we would like to break down the different validation methods that can be leveraged in offering patients faster diagnoses, fewer side effects, and better outcome prior to initiating pre-clinical trials.
Oct
24
2016

Gene Expression and Tissue Variety Uncovers Disease Subtypes in Crohn’s Disease

By Samantha Bussell
It is widely accepted that the presentation and course of Crohn’s disease (CD) is highly variable. A new study conducted by the University of North Carolina at Chapel Hill and Cedars-Sinai Medical Center sought to conceptualize the cellular mechanisms behind CD and characterize the processes associated with disease phenotypes (http://gut.bmj.com/content/early/2016/10/13/gutjnl-2016-312518.abstract).
Oct
06
2016

MicroRNA Analysis in KRAS-Driven Tumor Growth

By Samantha Bussell
Research has found that KRAS mutations are present in 30 percent of non-small cell lung cancers (NSLC) and in 40 to 50 percent of colorectal cancers. This mutation prevalence has been linked to poor survival rates and chemotherapy resistance within the impacted oncology cohorts. In an attempt to remedy this known issue, researchers at University of California, San Diego screened KRAS mutant cells for synthetic lethal interactions (https://www.genomeweb.com/cancer/kras-driven-tumor-growth-inhibited-microrna). Results concluded that the miR-1298 gene when inhibited is lethal to the growth of KRAS-mutated cells, both in vitro and in vivo through a combination of microarray analyses.
Sep
23
2016

Tissue Vulnerability and Protein Characterization in Alzheimer’s Disease

By Samantha Bussell
Alzheimer’s disease (AD) – the most common form of dementia – is characterized by the aggregation of amyloid β (Aβ), tau in amyloid plaques, and neurofibrillary tangles that spread progressively across brain tissues. However, the mechanisms that govern selective vulnerability of specified tissues is widely debated.
Aug
31
2016

Mutation Analysis in Cancer Research

By Samantha Bussell
At BioIVT, we understand the importance of mutation analysis in cancer research. Our scientists routinely perform DNA and RNA isolation from both FFPE and Fresh Frozen tissues, as well as biofluids. Additionally, we utilize PCR and FISH for the determining the presence and/or location of particular mutations within tissue specimens. Standard mutation analysis is available for lung, skin, and colon cancers, with custom mutation screens available upon request.

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