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EIKEN肺炎鏈球菌試劑盒
廣州健侖生物科技有限公司
主要用途:用于檢測尿標本中的肺炎鏈球菌抗原,以支持肺炎鏈球菌感染的診斷。
產品規(guī)格:20T/盒
存儲條件:2-30℃
EIKEN肺炎鏈球菌試劑盒
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貨號 | 產品名稱 | 產品描述 | 產品規(guī)格 | 保存條件 |
JL-ET01 | 免疫捕獲諾如病毒檢測試劑盒 | 用于檢測糞便標本中的諾如病毒抗原,以支持諾如病毒感染的診斷。 | 20T/盒 | 2-30℃ |
JL-ET02 | 免疫捕獲軍團菌檢測試劑盒 | 用于檢測尿樣中嗜肺軍團菌血清型1抗原,以支持軍團菌感染的診斷。 | 20T/盒 | 2-30℃ |
JL-ET03 | 免疫捕獲肺炎鏈球菌檢測試劑盒 | 用于檢測尿標本中的肺炎鏈球菌抗原,以支持肺炎鏈球菌感染的診斷。 | 20T/盒 | 2-30℃ |
EIKEN 肺炎鏈球菌試劑盒
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【公司名稱】 廣州健侖生物科技有限公司
【】 楊永漢
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【騰訊 】 2042552662
【公司地址】 廣州清華科技園創(chuàng)新基地番禺石樓鎮(zhèn)創(chuàng)啟路63號二期2幢101-3室
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為了解決測量問題,Ardehali和他的同事開創(chuàng)了稱為馬賽克分析雙標記(或MADAM)的新穎遺傳方法,*次直接測量小鼠模型的心臟細胞分裂。他們發(fā)現(xiàn)心肌細胞分裂是有限的,終身對稱的,雖然小鼠中這種明顯的現(xiàn)象很少見,但在*個月的生活后顯著減小。研究人員說,并沒有任何的干細胞參與這一過程,以及心肌細胞的分裂每年*于不到1%。
研究人員說,子代的心肌細胞是這種罕見的細胞分裂的產品也能夠分裂,這很不平常(以前沒有研究發(fā)現(xiàn)過這種現(xiàn)象)??茖W家發(fā)現(xiàn),細胞分裂的速度并沒有隨著小鼠心肌梗塞誘導的一個修復反應而提高。
“這是顯示心臟再生力量非常有限的zui有說服力的和直接的方式之一,” Ardehali說。 “這是一個非常令人興奮的發(fā)現(xiàn),因為我們希望利用這些知識zui終能夠使心臟組織再生。其目的是確定參與心肌細胞對稱分裂的分子途徑,以及在疾病或受傷后使用它們來誘導再生補充心臟肌肉組織。”
人類的免疫系統(tǒng)是非常復雜的,它有著大量不同的細胞具有各種各樣的功能,這確保侵入的微生物如病毒或細菌能夠迅速地使之無害并保持整個機體的健康。
免疫系統(tǒng)還包括自然殺傷細胞(NK細胞),其識別并消除腫瘤或病毒感染的細胞。因此,NK細胞對抗人體自身的應激細胞以防止它們成為一個潛在的危險。然而,這種承擔是有風險性的。其他的免疫細胞——特異性殺傷細胞,也被稱為CD8 + T細胞,響應于病毒感染時不斷地繁殖和變得成熟,也可以表現(xiàn)出應激癥狀,從而可能終結在NK細胞的名單上。
免疫生物學教授Annette Oxenius的研究小組現(xiàn)在發(fā)現(xiàn),是什么阻止nk細胞殺死免疫系統(tǒng)的“來自于其他部門的同事”:健康CD8 +T細胞能夠檢測免疫信使物質1型干擾素,1型干擾素通過與這些免疫細胞的特定表面受體結合,從而隱藏它們的應激。換句話說,1型干擾素作為一種偽裝斗篷使得免疫細胞不被NK細胞看見。如果T細胞缺乏1型干擾素的停泊位點,那么它們就會被NK細胞追殺直至滅絕。
使用感染兩種模型病毒的小鼠,研究人員發(fā)現(xiàn),如果動物的CD8 +t細胞缺乏這些干擾素的受體,不僅NK細胞消除感染病毒的細胞,而且免疫細胞也被認為采取了行動,從而削弱了抗病毒的免疫反應。
In order to solve the measurement problem, Ardehali and his colleagues pioneered a novel genetic approach called mosaic analysis double labeling (or MADAM), the first direct measurement of cardiac cell division in mouse models. They found that cardiomyocyte division was limited and life-long symmetrical, although this notable phenomenon in mice was rare but significantly reduced after the first month of life. The researchers said that no stem cells involved in this process, and myocardial cell division is limited to less than 1% per year.
It is not uncommon for researchers to say that offspring of cardiomyocytes are the rare products of cell division that divide (this has not been done before). Scientists found that the rate of cell division did not increase with a repair response induced by myocardial infarction in mice.
"This is one of the most persuasive and direct ways to show that the power of heart regeneration is very limited," Ardehali said. "This is a very exciting finding because we hope to eventually use this knowledge to regenerate heart tissue and its purpose is to identify the molecular pathways involved in the symmetrical division of cardiomyocytes and their use in the event of illness or injury to induce regenerative heart replenishment Muscle tissue. "
The human immune system is very complex. It has a large number of different cells that have a variety of functions that ensure that invading microbes, such as viruses or bacteria, can quickly be rendered harmless and maintain the health of the entire body.
The immune system also includes natural killer cells (NK cells) that recognize and eliminate tumor or virus-infected cells. Therefore, NK cells fight the body's own stress cells to prevent them from becoming a potential danger. However, this commitment is risky. Other immune cell-specific killer cells, also known as CD8 + T cells, may also display stress symptoms in response to continued multiplication and maturation of the virus infection and may thus end up on the NK cell list .
Annette Oxenius' team of immunobiology professors now finds out what "colleagues from other departments" are preventing nk cells from killing the immune system: Healthy CD8 + T cells are able to detect immunocompetent substances Type 1 interferon, type 1 interferon By binding to specific surface receptors of these immune cells, their stress is hidden. In other words, type 1 interferons act as a camouflage cape so that immune cells are not seen by NK cells. If T cells lack type 1 interferon docking sites, they are killed by NK cells until they become extinct.
Using mice infected with both model viruses, the researchers found that if the animal's CD8 + T cells lacked these interferon receptors, not only did NK cells eliminate the virus-infected cells, but immune cells were also thought to have taken action that weakened Antiviral immune response.