Pyrosequencing News and Research

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Pyrosequencing is a method of DNA sequencing that detects light emitted during the sequential addition of nucleotides during the synthesis of a complementary strand of DNA.

Unraveling epigenetic contributions to autoimmune skin diseases

The central dogma proposed that genetic information predominantly transfers from DNA to RNA during gene expression to make a functional product protein.

25 Mar 2024

Fecal microbiota transplantation boosts survival in metastatic colorectal cancer treatment

A recent study in eClinicalMedicine found that fecal microbiota transplantation, combined with fruquintinib and tislelizumab, significantly improved survival rates in patients with microsatellite stable metastatic colorectal cancer, showing manageable safety and notable increases in progression-free and overall survival.

15 Nov 2023

Gut microbes play a starring role in insulin resistance, opening doors for new diabetes treatments

The study reveals a strong association between gut microbial carbohydrate metabolism and insulin resistance, pointing to gut microbes as a key player in metabolic syndrome and type 2 diabetes. Targeting these microbial activities could offer a new therapeutic pathway for improving insulin resistance and overall metabolic health.

4 Sep 2023

The first point-of-care genetic test for lactose intolerance: A compact, lab-on-phone diagnostic assay

The performance of a compact diagnostic assay that can accurately and rapidly diagnose lactose intolerance.

4 Sep 2023

Beyond BRCA: Epigenetic Silencing in Breast Cancer

An interview with Professor William Newman, discussing his recent discovery in the field of breast cancer research, and the options that this will provide for women who have a family history of breast cancer but test negative for BRCA1/2 mutations.

8 Oct 2018

Epigenetics: A New Tool for Forensic Detectives

Developing analytical methods can help the triers of fact, judges and juries, better understand the events surrounding the circumstances of a crime. In forensic analysis, we are talking about determining the identity of unknown individuals through DNA and using DNA and other chemical signatures to determine and clarify the circumstances of the crime.

From Pittcon 20 Dec 2017

STRATEC Molecular offers new products to improve liquid biopsy

Liquid biopsy is a new technology for detection and analysis of biomarkers in blood or other body fluids without the need of invasive procedures.

28 Jul 2017

Brown University researchers describe new method to test HIV mutations

Tests that can distinguish whether HIV-positive people are infected with a drug-resistant strain or a non-resistant strain allow patients to get the most effective treatment as quickly as possible. In the November edition of the Journal of Molecular Diagnostics, a team of Brown University researchers describes a new method that works faster and more sensitively in lab testing than the current standard technologies.

16 Oct 2015

Mutant allele frequency predicts lung cancer TKI response

Tyrosine kinase inhibitor sensitivity may be predicted by the frequency of a point mutation in the epidermal growth factor receptor gene, suggests a study of Japanese patients with advanced lung adenocarcinoma.

28 Aug 2014

DNA methylation identified as potential anti-TNF response biomarker for RA

DNA methylation has been identified as a potential biomarker of response to etanercept and adalimumab in patients with rheumatoid arthritis (RA) according to preliminary results from one of the largest methylome-wide investigations of treatment response to anti-TNF therapies.

12 Jun 2014

Study shows effect of oral fungal yeast in inhibiting thrush

Scientists at Case Western Reserve School of Medicine and University Hospitals (UH) Case Medical Center have discovered how the beneficial fungal yeast, Pichia, holds at bay a harmful fungal yeast, Candida.

14 Mar 2014

Three rapid diagnostic tests could be used to diagnose drug resistance in TB

Results of a new study suggest that three new diagnostic tests could each be used to successfully diagnose drug resistance in tuberculosis (TB) patients in a quarter of the time taken by the current method.

10 Sep 2013

Adult male circumcision reduces bacteria living on penis, study shows

Circumcision drastically alters the microbiome of the penis, changes that could explain why circumcision offers protection against HIV and other viral infections.

17 Apr 2013

Clarient adopts QIAGEN’s therascreen KRAS test to diagnose colorectal cancer

QIAGEN N.V. today announced that Clarient - a GE Healthcare Company and leading provider of cancer laboratory testing services in the United States - has adopted the use of the therascreen KRAS RGQ PCR Kit (therascreen KRAS test) as a companion diagnostic to guide the use of Erbitux (cetuximab) as a treatment in patients with metastatic colorectal cancer.

From QIAGEN Manchester Limited 30 Jan 2013

Study reveals large microbial diversity in breast milk

Spanish researchers have traced the bacterial microbiota map in breast milk, which is the main source of nourishment for newborns. The study has revealed a larger microbial diversity than originally thought: more than 700 species.

4 Jan 2013

Dietary fiber can improve gastrointestinal health

A University of Illinois study shows that dietary fiber promotes a shift in the gut toward different types of beneficial bacteria. And the microbes that live in the gut, scientists now believe, can support a healthy gastrointestinal tract as well as affect our susceptibility to conditions as varied as type 2 diabetes, obesity, inflammatory bowel disease, colon cancer, and autoimmune disorders such as rheumatoid arthritis.

28 Jun 2012

JS Genetics announces availability of XCAT-KS buccal swab test

JS Genetics announces the availability of XCAT-KS, its proprietary buccal swab test for the diagnosis of Klinefelter syndrome (KS) and other male sex chromosome aneuploidies.

3 May 2012

Drugs that target cholesterol pathway may enhance cancer-killing potential of chemotherapy drugs

Johns Hopkins investigators are testing a way to use drugs that target a cholesterol pathway to enhance the cancer-killing potential of standard chemotherapy drugs. Their tests, in mouse models of pancreatic cancer, may yield new and more effective combinations of current and possibly new anti-cancer drugs.

4 Apr 2012

Pyromaker can rapidly sequence cancer-driving mutations

Using precise information about an individual's genetic makeup is becoming increasingly routine for developing tailored treatments for breast, lung, colon and other cancers. But techniques used to identify meaningful gene mutations depend on analyzing sequences of both normal and mutant DNA in tumor samples, a process that can yield ambiguous results. Now, a team of Johns Hopkins researchers says it has developed an easy-to-use online computer software application that can clear up any confusion faster and cheaper than other methods currently used to do the job.

16 Feb 2012

Pyromaker can more accurately identify complex genetic mutations

DNA sequencing to detect genetic mutations can aid in the diagnosis and selection of treatment for cancer. Current methods of testing DNA samples, Sanger sequencing and pyrosequencing, occasionally produce complex results that can be difficult or impossible to interpret. Scientists at the Johns Hopkins University School of Medicine have developed a free software program, Pyromaker, that can more accurately identify such complex genetic mutations.

6 Feb 2012