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擼鐵過猛肌肉酸痛?別擔(dān)心,Science揭示受損肌肉自我修復(fù)的秘密
當(dāng)我們進(jìn)行高強(qiáng)度的“擼鐵”訓(xùn)練后,往往會(huì)出現(xiàn)肌肉酸痛,而休息兩天后又變得生龍活虎,這是因?yàn)榧∪飧杉?xì)胞可以與受損肌細(xì)胞融合或者生產(chǎn)新的肌纖維。近期,來自西班牙龐培法布拉大學(xué)的William Roman等人發(fā)現(xiàn)了一種肌細(xì)胞自我修復(fù)的全新機(jī)制,它不依靠肌肉干細(xì)胞,而是肌纖維通過細(xì)胞核的遷移,實(shí)現(xiàn)損傷后的再生。相關(guān)研究于2021年10月15日發(fā)表在Science期刊上,題為“Muscle repair after physiological damage relies on nuclear migrationfor cellular reconstruction”。[查看]
http://m.baichuan365.com/Article/ltgmjrstbdxsciencejs_1.html
JAMA子刊:0糖0脂能減肥?當(dāng)心了,無糖飲料可能會(huì)讓你更胖
在這個(gè)以瘦為美的時(shí)代,含糖(蔗糖)、高熱量成為人們避之不及的飲食詞匯,因此一系列“0糖0脂肪0卡”的網(wǎng)紅飲料應(yīng)運(yùn)而生。然而,一項(xiàng)報(bào)告表明,如果真的相信這些“無糖”飲品可幫助減肥,那就“too young,too naive”了。[查看]
http://m.baichuan365.com/Article/jamazk0t0znjfdxlwtyl_1.html
Nature:遠(yuǎn)離高脂飲食!脂肪不僅會(huì)讓你長(zhǎng)胖,還會(huì)讓你變禿
眾所周知,肥胖會(huì)給人的身體帶來很多危害,心腦血管疾病、糖尿病、腎臟疾病甚至脫發(fā)等都與肥胖密切相關(guān)。而最近,來自東京醫(yī)科牙科大學(xué)(TMDU) 的一組研究人員在《Nature》上發(fā)表了一篇研究,對(duì)高脂飲食是如何引起脫發(fā)這一問題進(jìn)行了深入研究,該篇文章題目為“Obesity accelerates hair thinning by stem cell-centric convergingmechanisms”。[查看]
http://m.baichuan365.com/Article/natureylgzyszfbjhrnc_1.html
打破固有認(rèn)知!Science揭秘腸道運(yùn)行新機(jī)制:合成膽固醇中的“好學(xué)生”,或?yàn)楦闻K疾病治療帶來新靶點(diǎn)
近日,華盛頓大學(xué)醫(yī)學(xué)院的研究團(tuán)隊(duì)在Science 發(fā)表最新研究 Enterically derived high-density lipoprotein restrains liver injury through the portal vein,該項(xiàng)研究指出,人體的肝臟承擔(dān)了在血液中產(chǎn)生與合成大部分高密度脂蛋白的角色,但類似的合成也發(fā)生在腸道。研究人員在小腸內(nèi)發(fā)現(xiàn)了一種特殊類型的高密度脂蛋白HDL3,它以HDL的亞種形式存在,會(huì)與腸道內(nèi)的脂多糖炎癥分子結(jié)合,阻斷引起肝臟炎癥的細(xì)菌信號(hào),以達(dá)到保護(hù)肝臟的目的。[查看]
http://m.baichuan365.com/Article/dpgyrzsciencejmcdyxx_1.html
Nature子刊重磅!新冠康復(fù)者可在12個(gè)月內(nèi)持續(xù)對(duì)抗新冠病毒感染
近日,國(guó)藥集團(tuán)中國(guó)生物楊曉明團(tuán)隊(duì)與上海交通大學(xué)國(guó)家轉(zhuǎn)化醫(yī)學(xué)中心張欣欣教授合作在Nature Communications雜志發(fā)表了題為“Twelve-month specific IgG response to SARS-CoV-2 receptor-bindingdomain among COVID-19 convalescent plasma donors in Wuhan”的研究,率先揭示了中國(guó)武漢地區(qū)感染新冠病毒后康復(fù)患者可在12個(gè)月內(nèi)持續(xù)對(duì)抗新冠病毒感染。[查看]
http://m.baichuan365.com/Article/naturezkzbxgkfzkz12g_1.html
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(guó)科學(xué)院的科研人員在國(guó)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(guó)產(chǎn)新冠試劑盒出海成功,萬泰生物新冠抗原檢測(cè)試劑盒通過德國(guó)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(cè)試劑盒(膠體金法)(WANTAI SARS-CoV-2 Ag Rapid Test(Colloidal Gold)已獲德國(guó)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(guó)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(guó)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(duì)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(huì)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(guó)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(mèng),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(duì)主要貓過敏原Feld 1的過敏反應(yīng),從而促進(jìn)人類對(duì)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(guó)國(guó)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(guó)華盛頓大學(xué)醫(yī)學(xué)院 Steven L. Teitelbaum 團(tuán)隊(duì)在國(guó)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
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