#journal study exosome EV
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marketerspot-blog · 7 years ago
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Liquid Biospy Market Analysis, Application, Trends and Forecast 2018-2025
The Global Market is expected to reach USD 3848.26 million by 2025, from USD 715.72 million in 2017 growing at a CAGR of 23.4% during the forecast period of 2018 to 2025.
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The Liquid Biopsy market report contains data for historic years 2015 & 2016, the base year of calculation is 2017 and the forecast period is 2018 to 2025.The liquid biopsy is a non invasive technique which is used to test blood in order to detect circulating tumor cells. Some of the major players operating in global liquid biopsy market are
·         Biocept, Inc.
·         Qiagen N.V.
·         Roche Diagnostics
·         Bio-Rad Laboratories, Inc.
·         Myriad Genetics, Inc
·         Menarini-Silicon Biosystems.
·         Trovagene, Inc.
·         Guardant Health, Inc.
·         MDX health SA
·         Genomic Health, Inc.
·         BGI (BGI Diagnostics)
·         Caredx, Inc.
·         Cynvenio Biosystems, Inc
·         Eurofins Scientific Se (Lifecodexx)
Others: Exact Sciences Corporation, Exosome Diagnostics, Inc, Immucor, Laboratory Corporation of America Holdings, Natera, Inc., Raindance Technologies, Inc,, Thermo Fisher Scientific Inc. and Illumina, Inc. among others. Global liquid biopsy market is highly fragmented and is based on new product launches and clinical results of products. Hence the major players have used various strategies such as new product launches, clinical trials, market initiatives, high expense on research and development, agreements, joint ventures, partnerships, acquisitions, and others to increase their footprints in this market. The report includes market shares of liquid biopsy market for global, Europe, North America, Asia Pacific and South America.
Liquid biopsy is a minimally or non-invasive technology for recognition of molecular biomarkers without the need for costly or invasive actions. It is a simple and non-invasive substitute to surgical biopsies which allows medical doctors to discover a range of information about a disease or a tumour through a simple blood sample.
Different liquid biopsy tests analyse different kinds of tumour material, such as DNA, RNA, proteins, tiny vesicles called exosomes, and whole cells. Liquid biopsy has many applications in the diagnosis of non-small cell lung cancer (NSCLC), breast cancer, coronary heart disease, prostate cancer, etc. is increasing. For instance, according to a study published in Oncology Journal, In January 2018, the liquid biopsy combo involving exosomal RNA and cell-free DNA (cfDNA) improved the sensitivity of epidermal growth factor mutations in NSCLC.
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 Major Market Drivers and Restraints:
·         Increasing prevalence of cancer
·         Increasing preference for non-invasive procedures
·         Initiatives undertaken by government and global health organizations
·         Technological advancement to augment market revenues
·         Rising emphasis on personalized medicine
·         Availability of funding for liquid biopsy R&D
·         Low sensitivity and specificity
 Market Segmentation: Global Liquid Biopsy Market
·         The global liquid biopsy market is segmented based on product and service, circulating biomarker, clinical application, end user and geographical segments.
·         Based on product and service the market is segmented into
Assay kits
Instruments and services
·         On the basis of circulating biomarker the market is classified into
Circulating tumor cells
Circulating tumor dna (ctdna)
Cell-free dna
Extracellular vesicles (evs) and     other circulating biomarkers
·         On the basis of clinical application the market is segmented into early cancer screening, therapy selection and treatment monitoring, recurrence monitoring
·         Based on application the market is segmented into cancer applications and non-cancer applications. The cancer applications are further sub segmented into lung cancer, breast cancer, colorectal cancer, prostate cancer, liver cancer and other cancers
·         Based on geography, the global liquid biopsy market report covers data points for 28 countries across multiple geographies namely North America & South America, Europe, Asia-Pacific and, Middle East & Africa.
·         Some of the major countries covered in this report are U.S., Canada, Germany, France, U.K., Netherlands, Switzerland, Turkey, Russia, China, India, South Korea, Japan, Australia, Singapore, Saudi Arabia, South Africa and, Brazil among others.
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nshino · 10 years ago
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今年の印象的な論文
気がついたら、初投稿を4月に行って以来、何も更新してませんね。。もう年末です。 このブログの読者はいらっしゃらないと思いますが、どうも、今日は。
久しぶりの投稿がADVENTARで行なわれている企画で、 今年読んだ論文の中で一番好きなものを紹介する、という内容。 関係のない���や意味のわからん方には申し訳ないです…… そして、この企画に参加されている他の皆様がすごく丁寧に解説されていますが、 私は恥ずかしいクオリティです。本当に、なぜ参加したんだか。 ぐだぐだ言っていても仕方がないので、サクッとですがご紹介します。 #いつも通り、気がついたらあとからどんどん修正しますので、ご了承ください。
2014年にNucleic Acids Researchから出たもので、 Exosomes in human semen carry a distinctive repertoire of small non-coding RNAs with potential regulatory functions というタイトル。 母乳にexosomeが含まれていることは知られていますので、精液中に存在してもおかしくはありません。 いや、そもそもexosomeってなんじゃい!という方もいらっしゃるかと思いますので簡単に説明しますと、 "細胞間の情報伝達を仲介する小胞"です。#exomeではありません。 exosomeの中にはDNAやRNAなど、実に様々なものが含まれています。 exosomeの細かな定義は未だ議論が行われており、 最近では統一してextracellular vesicle(EV)という表現をするようにしている団体や論文もあります。
話を論文に戻して。 この論文では、6名の精液中exosomeのRNAシークエンスを行い、解析しています。 本文を読むとY RNAやtRNAやmiRNAについての詳細な解析結果が書かれていますが、横に置いておいて。 さて、今回のsampleは上記の通り、精液です。 精子の役割というのは卵子と出会い、受精を行うという子孫繁栄のための大事なものですが、 卵子の元へとたどり着くのはそう簡単なことではありません。 酸性下の中を突き進むには、私は単純に、精子が団体で行動(?)することで周りが死んでも誰かがたどり着ければ、 という安易な考えを持っていました。 しかしながら、この論文によると、精液中のexosomeにあるtRNAには翻訳抑制に関わるものが含まれていた。 つまり、精液には受精を成功させるために(膣)粘膜の免疫細胞へ何かしら働きかけているかもしれません。 一方的に死滅していくだけじゃなかったんだ!と、ひどく感銘を受けました。
私の興味はexosomeないしEVにあるのですが、単純にcell-cell communication��一口に言っても、 ある組織のある細胞から遠くにある細胞へと情報を伝達するのも、 がん細胞が放出するのも、EVが少なからず関わっているとされています。 電子顕微鏡でないと確認できないサイズであるにもかかわらず、実に様々な役割を担うEV。 丸くて小さな世界には、まだまだ知らないことがたくさんあると思っています。 って、なんだか、論文紹介ではなくて、自分の研究の興味の話なりました。 すみません。。
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