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如何保住你可憐的發(fā)量?Cell子刊揭示毛發(fā)再生潛能新機(jī)制!
近日,中國科學(xué)院的科研人員在國際知名期刊《Cell Reports》雜志在線發(fā)表了一篇題為miR-24 controls the regenerative competence of hair follicle progenitors by targeting Plk3的文章,揭示了一種miRNA介導(dǎo)的皮膚毛囊(HF)前體細(xì)胞再生機(jī)制,為治療脫發(fā)的思路提供重要線索。[查看]
http://m.baichuan365.com/Article/rhbznkldflcellzkjsmf_1.html
北大科學(xué)家發(fā)Cell頂刊:通過剪接體抑制劑可使小鼠產(chǎn)生全能干細(xì)胞
近日,北京大學(xué)的研究人員在《Cell》雜志上在線發(fā)表了題為“Mouse totipotent stem cells captured and maintained throughspliceosomal repression”的文章,發(fā)現(xiàn)剪接體抑制能夠產(chǎn)生小鼠全能干細(xì)胞。[查看]
http://m.baichuan365.com/Article/bdkxjfcelldktgjjtyzj_1.html
又一國產(chǎn)新冠試劑盒出海成功,萬泰生物新冠抗原檢測試劑盒通過德國BfArM批準(zhǔn)上市!
4月19日,深圳萬泰生物(Watmind)發(fā)布公告稱,旗下產(chǎn)品新型冠狀病毒(2019-nCoV)抗原檢測試劑盒(膠體金法)(WANTAI SARS-CoV-2 Ag Rapid Test(Colloidal Gold)已獲德國聯(lián)邦藥品和醫(yī)療器械機(jī)構(gòu)(Bundesinstitut für Arzneimittel und Medizinprodukte,BfArM)批準(zhǔn)上市。[查看]
http://m.baichuan365.com/Article/yygcxgsjhchcgwtswxgk_1.html
Nature Medicine:中國科學(xué)家研發(fā)出可改善心臟功能和組織修復(fù)的心臟外膜裝置
2021年3月15日,上海交通大學(xué)醫(yī)學(xué)院與東華大學(xué)合作,在出版的《自然—醫(yī)學(xué)》上發(fā)表了題為“A perfusable, multifunctional epicardial device improves cardiac function and tissue repair”的文章,研究闡述了一種可灌注、多功能心外膜裝置,可改善心臟功能和組織修復(fù)。研究人員設(shè)計(jì)了一種可灌注的多功能心外膜裝置(PerMed),該裝置由可生物降解的彈性貼片(BEP)、可滲透的分層微通道網(wǎng)絡(luò)(PHM)和能夠從皮下植入泵中輸送治療藥物的系統(tǒng)構(gòu)成。[查看]
http://m.baichuan365.com/Article/naturemedicinezgkxjy_1.html
妊娠期糖尿病篩查必需空腹進(jìn)行?NEJM最新研究揭示答案
近日,《新英格蘭醫(yī)學(xué)雜志》在線發(fā)表了美國Kaiser Permanente Northwest健康研究中心Teresa A. Hillier團(tuán)隊(duì)名為“A Pragmatic, Randomized Clinical Trial of Gestational Diabetes Screening”的研究成果。該研究比較了妊娠期糖尿病的兩種篩查方法,發(fā)現(xiàn)雖然這兩種檢查方式檢出率有差異,但對孕產(chǎn)婦預(yù)后的影響無明顯差異。[查看]
http://m.baichuan365.com/Article/rsqtnbscbxkfjxnejmzx_1.html
Cell子刊:孕婦肥胖會影響孩子的認(rèn)知和社交能力障礙!高纖維飲食或能改善恢復(fù)!
近日,來自西北農(nóng)林科技大學(xué)和上海交通大學(xué)的研究人員在《Cell Metabolism》上發(fā)表了題為High-fiber diet mitigates maternal obesity-induced cognitive and social dysfunction in the offspring via gut-brain axis的研究成果,發(fā)現(xiàn)腸道微生物菌群-代謝物-腦軸可能是孕產(chǎn)婦肥胖引起后代認(rèn)知和社交能力缺陷的基礎(chǔ),而攝入較高的膳食纖維可能是一種有潛力的干預(yù)措施。[查看]
http://m.baichuan365.com/Article/cellzkyffphyxhzdrzhs_1.html
一天一蘋果,最強(qiáng)大腦靠近我!新研究發(fā)現(xiàn),蘋果還能促進(jìn)神經(jīng)元分化!
近日,來自德國德累斯頓工業(yè)大學(xué)的研究人員在《Stem Cell Reports》上發(fā)表了題為Apple Peel and Flesh Contain Pro-neurogenic Compounds的研究成果,其發(fā)現(xiàn)蘋果果皮中含有豐富的槲皮素,能夠促進(jìn)成年小鼠的海馬前體細(xì)胞存活和神經(jīng)元分化,而果肉中豐富的3,5-二羥基苯甲酸則具有顯著增加神經(jīng)前體細(xì)胞增殖和神經(jīng)發(fā)生的功能。[查看]
http://m.baichuan365.com/Article/appleEGCG_1.html
Allergy:愉快吸貓不是夢,鏟屎官過敏的“元兇”找到了
眾所周知,生物過敏原特異性免疫療法(AIT)是一種通過免疫調(diào)節(jié)機(jī)制改變過敏性疾病自然進(jìn)程的治療方法。然而,目前的CAT-AIT還存在許多缺陷。先前的研究表明寡核苷酸(CpG)具有免疫調(diào)節(jié)作用,因此研究人員考慮是否可以使用高劑量的CpG寡核苷酸提高AIT的抗炎活性,以填補(bǔ)ATI功效和安全性方面的空白。近日,盧森堡衛(wèi)生研究院的研究人員在《Allergy》雜志上發(fā)表了文章,闡明了高劑量的特定佐劑分子CpG寡核苷酸可以調(diào)節(jié)免疫系統(tǒng)對主要貓過敏原Feld 1的過敏反應(yīng),從而促進(jìn)人類對貓過敏反應(yīng)的耐受性。[查看]
http://m.baichuan365.com/Article/allergyykxmbsmcsggmd_1.html
不干不凈,吃了沒病?Cell揭示微生物菌群定植抗性背后的理論依據(jù)
近日,來自美國國立衛(wèi)生研究院的研究團(tuán)隊(duì)在《Cell》上發(fā)表了題為Infection trains the host for microbiota-enhanced resistance to pathogens的研究成果,發(fā)現(xiàn)腸道致病菌感染能“訓(xùn)練”宿主的膽汁酸代謝及其產(chǎn)物腸道內(nèi)的牛磺酸增加,富集可利用牛磺酸的細(xì)菌將其催化為硫化物,從而抑制致病菌的呼吸作用,增強(qiáng)菌群的定植抗性。[查看]
http://m.baichuan365.com/Article/bgbjclmbcelljswswjqd_1.html
Cell子刊:減肥能增加骨質(zhì)量,或成新的抗骨質(zhì)疏松治療策略
2020年10月6日,美國華盛頓大學(xué)醫(yī)學(xué)院 Steven L. Teitelbaum 團(tuán)隊(duì)在國際學(xué)術(shù)期刊《 細(xì)胞—代謝 》上發(fā)表題為“ Ablation of Fat Cells in Adult Mice Induces Massive Bone Gain ”的文章,揭示了 成年小鼠脂肪細(xì)胞的消除能夠誘導(dǎo)大量的骨增加。[查看]
http://m.baichuan365.com/Article/cellzkjfnzjgzlhcxdkg_1.html
Nature:星形膠質(zhì)細(xì)胞誘導(dǎo)的中樞神經(jīng)系統(tǒng)炎癥與腸道微生物有關(guān)!
2021年1月6日,《Nature》雜志在線發(fā)表了美國哈佛醫(yī)學(xué)院Francisco J. Quintana團(tuán)隊(duì)名為“Gut-licensed IFNγ+ NK cells drive LAMP1+TRAIL+ anti-inflammatory astrocytes”的研究。小鼠實(shí)驗(yàn)證明,LAMP1+TRAIL+星形膠質(zhì)細(xì)胞通過誘導(dǎo)T細(xì)胞凋亡來限制中樞神經(jīng)系統(tǒng)(CNS)炎癥,該途徑由腦膜IFNγ+ NK細(xì)胞維持,并受到腸道微生物的調(diào)節(jié)。[查看]
http://m.baichuan365.com/Article/naturexxjzxbyddzssjx_1.html
Nature子刊解讀!科學(xué)家有望開發(fā)出一種針對“無成藥性”藥物靶點(diǎn)的新型藥物發(fā)現(xiàn)策略!
近日,一篇刊登在國際雜志Nature Chemistry上題為“Selection of DNA-encoded chemical libraries against endogenous membrane proteins on live cells”的研究報(bào)告中,來自中國香港大學(xué)等機(jī)構(gòu)的科學(xué)家們通過研究開發(fā)了一種能夠靶向活細(xì)胞膜蛋白的新型藥物發(fā)現(xiàn)方法。[查看]
http://m.baichuan365.com/Article/naturezkjdkxjywkfcyz_1.html
Science子刊解讀!空氣污染真會讓COVID-19的流行變得更加致命嗎?
近日,一篇刊登在國際雜志Science Advances上題為“Air pollution and COVID-19 mortality in the United States: Strengths and limitations of an ecological regression analysis”的研究報(bào)告中,來自哈佛大學(xué)陳曾熙公共衛(wèi)生學(xué)院等機(jī)構(gòu)的科學(xué)家們通過研究發(fā)現(xiàn),長期暴露于空氣污染物中的人群或許更易死于COVID-19。在對美國超過3000個(gè)縣的分析中,研究人員發(fā)現(xiàn),長期暴露于細(xì)小顆粒物(PM2.5)的暴露量只要發(fā)生小幅增加,人群死于COVID-19的風(fēng)險(xiǎn)就會增加10%以上。[查看]
http://m.baichuan365.com/Article/sciencezkjdkqwrzhrco_1.html
Nature:外泌體能夠抵御細(xì)菌毒素,對抗超級細(xì)菌感染
近日,來自紐約大學(xué)朗格尼健康中心的Victor J. Torres和Ken Cadwell教授合作在Nature發(fā)表了題為“Decoy exosomes provide protection against bacterial toxins”的研究論文,該研究揭示了ATG蛋白能夠促進(jìn)外泌體的釋放,進(jìn)而在體外結(jié)合多種病原毒素,協(xié)助宿主抵御病原菌的感染。[查看]
http://m.baichuan365.com/Article/naturewmtngdyxjdsdkc_1.html
Radiology: Artificial Intelligence:人工智能幫助提高乳腺癌診斷率
根據(jù)《Radiology: Artificial Intelligence》雜志上發(fā)表的一項(xiàng)研究,人工智能(AI)可以提高放射科醫(yī)生在分析乳腺癌篩查乳房X光照片時(shí)的效率。[查看]
http://m.baichuan365.com/Article/radiologyartificiali_1.html
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