New Mesothelioma Test May Help in Diagnosis
Getting an accurate diagnosis is one of the biggest challenges for patients with malignant pleural mesothelioma. Because mesothelioma is such an aggressive cancer, survival often hinges on getting a diagnosis and starting appropriate treatment as early as possible. Unfortunately, mesothelioma symptoms, which can include shortness of breath, cough and chest pain, mimic many other conditions, including other types of lung cancer.
Now, scientists with a company called Rosetta Genomics, a developer of microRNA-based molecular diagnostics, believe they have found a better way to distinguish mesothelioma cancer from other types of lung cancers that may also affect the pleura, or the lining around the lungs.
In an online press release, Tina Edmonston, MD, Medical Director and Head of Clinical Laboratory at Rosetta Genomics said "Differentiating malignant pleural mesothelioma from primary and metastatic carcinoma in the lung and pleura can be challenging for pathologists, even with the use of immunohistochemistry. There is no single immunohistochemical marker that distinguishes between malignant pleural mesothelioma and various carcinomas that may be in the differential diagnosis. Moreover, the choice of markers, as well as interpretation of the results in equivocal cases can be subjective."
MicroRNAs (miRNAs) are recently discovered cell components that act as master switches for protein synthesis inside cells. The presence or absence of certain microRNAs has been shown to be a reliable predictor (also called a biomarker) of how cells will function. The Rosetta Genomics researchers developed a microRNA assay based on tests of 33 samples of malignant pleural mesothelioma cells and 210 samples of carcinoma cells.
The team found that Hsa-miR-193-3p was overexpressed in mesothelioma, while hsa-miR-200c and hsa-miR-192 were overexpressed in peripheral lung adenocarcinoma and carcinomas that frequently metastasize, or spread, to the lung pleura. Based on these results, the team tested the assay, called the miRview meso test, on 68 tissue samples from the lung and pleura. Their findings were encouraging for clinicians charged with the difficult task of pinpointing mesothelioma.
The research team reported that the MiRview meso assay reached a sensitivity of 100% and a specificity of 94% in blinded tests. They conclude, "This diagnostic assay can provide a useful tool in the differential diagnosis of malignant pleural mesothelioma from other malignancies in the pleura."
The largest risk factor for developing mesothelioma is exposure to asbestos. Although the use of the mineral is now limited in many countries, the long latency of the disease has resulted in a steady rise in the number of cases in the U.S. and around the world.
The research findings were published in a peer reviewed article in the online version of the Journal of Molecular Diagnostics.
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mesothelioma test
Mesothelioma is an asbestos related cancer caused by exposure to asbestos over a long period of time.
Malignant mesothelioma is on the rise around the world. As with many cancers, early detection is the key to survival and better quality of life for patients. Now, a group of Japanese researchers is paving the way for a laboratory test that could help doctors identify the disease – and start aggressive treatment – earlier.
A California mesothelioma doctor believes it may eventually be possible to predict who is likely to get malignant mesothelioma and even keep it from developing.
Asbestos tests is a very crucial method, given that folks have in mind the perils associated with it (asbestos can be a number of fibrous metamorphic vitamins with the hydrous this mineral silicate variety). The majority of asbestos fiber materials are usually undetectable for the human eye his or her dimensions.
Specimens of 27 histologically definite mesotheliomas and 34 proven adenocarcinomas were examined with a panel of 14 antibodies
Cancer translational research brings together scientists' and clinicians' suggestions to develop solutions to biomedical complications. This kind of applied research strives to offer strategies to questions surrounding the etiology, pathology, diagnosis, prevention and treating cancer.
Orbs are actually a lumpectomy or quadrantectomy combined with rotating the breast tissue or mobilize the flap into the cavity of the surgery time fill is removed. It also includes the comparative change in shape and size is doing in relation to breast and moved if necessary, does not affect the conversion of the breast. The deferred plan the reconstruction is not part of endoplasmic techniques. Both procedures are performed by specific thoracic surgeons.
What every woman fears for is losing her self confidence , losing hope and losing her personality. The term "Breast Cancer" is a very negative word and that it creates negative vibrations in her heart. So, to make her comfortable with the basics of breast cancer and to make her means any woman understand that this type of cancer is the least dangerous than all cancers and that if it is detected early then you will fight with it successfully. Causes, Symptoms, treatment, discussed in detail.
Mesothelioma is a rare cancer that originates in the mesothelium. The mesothelium is the protective lining that covers the body's internal organs. Mesothelioma occurs when the mesothelium cells start to divide uncontrollably.
Chemotherapy is a treatment for killing cancerous cells which is given intravenous or extra-venous to the cancer patient. Even breast cancer patients have to go through the treatment. This treatment mainly focuses on the cancerous cells that are spread in the blood stream in the whole body . If any cancerous cells are there then they are killed by the chemotherapy medicine. The medicine is very costly and it has to be taken for one or two days continuously for every 21 days .
Asbestos fibers are microscopic, though they are also quite durable. For this reason, asbestos was used in a number of different industrial compounds to enhance strength and resistance to temperature extremes- two properties at which the mineral is highly adept.
It has long been known that smoking is hazardous to one's health, causing a marked increase in instances of mesothelioma lung cancer among those who smoke regularly.
Exposure to asbestos particles is one of the principal causes of mesothelioma cancer, also known as asbestos cancer. As a naturally occurring mineral with useful commercial applications, asbestos is found in plumbing, insulation and other building materials and products.
There are several risk factors that increase the likelihood that a person will develop mesothelioma.
Mesothelioma Information – Basics Mesothelioma is a type of cancer that is usually caused by previous exposure to asbestos.
