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Tau 蛋白-阿爾茨海默癥(AD)治療新天地
一個很多人在晚年躲不開的大麻煩, 就是我們早已不陌生的那個名字,阿爾茨海默癥(Alzhemier Disease),也叫AD。
AD(Alzhemier Disease) , 是德國醫(yī)生阿爾茨海默最先發(fā)現的一種腦神經疾病。它的主要癥狀有兩個:一是 β-淀粉樣蛋白在神經元細胞外異常沉積形成的老年斑;二是 tau 蛋白的異常磷酸化所形成的 NFTs(神經元纖維纏結)。 但是,很多在大腦中出現淀粉樣蛋白沉積的老年人并沒有失智癥狀。而與AD相關的記憶喪失和頭腦混亂的癥狀與tau蛋白纏結相關。因此,近年來已有多種療法試圖靶向tau蛋白的產生和清除過程來治療AD。
Tau蛋白粉墨登場 日前在《Neuron》科學期刊上發(fā)表的最新研究表明,tau蛋白在神經細胞中的生成和分泌過程是一個主動的,受到調節(jié)的過程。這項發(fā)現可能幫助開發(fā)出基于靶向tau蛋白生成過程的AD療法。
AD 患者腦中存在大量異常 Tau 蛋白。Tau 蛋白異常修飾、含量變化對臨床 AD 病理發(fā)生有重要作用。Tau 蛋白異常磷酸化和異常糖基化相互作用促進 PHF/NFT 結構最終形成。
AD研究最新方向 AD 患者腦組織切片上的沉淀斑塊和神經元纖維纏結是 AD 的主要病理特征。因此,沉淀斑塊的主要組成 β-淀粉樣蛋白以及纖維纏結的主要成分 tau 蛋白是目前 AD 研究的最主要方向。
由于采用 Aβ 通路作為靶點治療輕至中度 AD 的臨床試驗相繼以失敗告終,tau 靶向藥物,特別是 tau 聚集抑制劑對 AD 潛在的治療作用越來越引人關注。以 Tau 通路作為靶點的治療策略主要著重于限制引起 tau 蛋白早期聚集的病理性磷酸化。
一個Tau蛋白,開啟一段醫(yī)療傳奇 ——基于 Tau 通路的幾種藥物開發(fā)策略:
1. 通過 tau 穩(wěn)定劑增強微管的穩(wěn)定化 TPI.287 | UCSF | Microtubule stabilizer | Stage I (ongoing) | NCT01966666 |
2. 通過 tau 蛋白聚集抑制劑防止 tau 蛋白的聚集 TRx0237,LMTM,第二代Tau聚集抑制劑 | TauRx Therapeutics | Tau aggregation | • Stage III (completed) | • NCT01689246 | • Stage III (completed) | • NCT01689233 | • Stage III (completed) | • NCT01626378 | • Stage III (recruiting) | • NCT02245568 |
3. 采用主動免疫療法提高磷酸化 tau 蛋白的清除水平 AADvac.1 | Axon Neuroscience SE | Active vaccine, tau 294-305 | Stage II (ongoing) | NCT02579252 | ACI35 | AC Immune/ Janssen | Active vaccine,16 copies of a tau fragment phosphorylated at S396/S404 (PHF1) | Stage Ib (completed) | ISRCTN13033912 |
4. 對參與 Tau 蛋白轉錄后修飾的蛋白進行調控,阻止 Tau 蛋白的過度磷酸化 Saracatinib (AZD0530) | AstraZeneca | Src/Abl抑制劑, Fyn信號通路 | Stage II (ongoing) | NCT02167256 | ANAVEX 273 | Anavex | σ1/muscarinic ligand | Stage II (recruiting) | NCT02756858 |
Signalchem Tau蛋白產品系列 伊諾凱作為Signalchem北方區(qū)獨家代理商,致力于為廣大客戶提供優(yōu)質的產品,專業(yè)的技術支持和便捷高效的物流服務!
產品系列 - 正常 Tau 蛋白 Tau Protein Marker | T08-07N | Tau-316 Protein | T02-54N | Tau-352 Protein | T03-54N | Tau-381 Protein | T04-54N | Tau-383 Protein | T05-54N | Tau-410 Protein | T06-54N | Tau-412 Protein | T07-54N | Tau-441 Protein | T08-54N | Tau-441 Protein | T08-54H | Tau-441, Biotinylated | T08-54BN |
產品系列 - 突變Tau 蛋白 Tau-383 (N352H) Protein | T05-56N | Tau-441 (A152T) Protein | T08-56VN | Tau-441 (dK280) Protein | T08-52N | Tau-441 (dN296) Protein | T08-52BN | Tau-441 (G272V) Protein | T08-56DN | Tau-441 (K257T) Protein | T08-56N | Tau-441 (L266V) Protein | T08-56CN | Tau-441 (N279K) Protein | T08-56EN | Tau-441 (P301L) Protein | T08-56FN | Tau-441 (P301S) Protein | T08-56GN | Tau-441 (R406W) Protein | T08-56MN | Tau-441 (S198A) Protein | T08-53BN | Tau-441 (S198E) Protein | T08-53N | Tau-441 (S199E) Protein | T08-53CN | Tau-441 (S214A) Protein | T08-53DN | Tau-441 (S305N) Protein | T08-56HN | Tau-441 (S352L) Protein | T08-56KN | Tau-441 (S404A) Protein | T08-53HN | Tau-441 (S404E) Protein | T08-53GN | Tau-441 (V337M) Protein | T08-56JN |
產品系列 - 截短的Tau蛋白 Tau-441 (1-391) Protein | T08-55CN | Tau-441 (1-421) Protein | T08-55BN | Tau-441 (127-421) Protein | T08-55KN | Tau-441 (151-391) Protein | T08-55FN | Tau-441 (151-421) Protein | T08-55EN | Tau-441 (151-441) Protein | T08-55DN | Tau-441 (216-391) Protein | T08-55LN | Tau-441 (231-391) Protein | T08-55IN | Tau-441 (231-421) Protein | T08-55HN | Tau-441 (231-441) Protein | T08-55GN | Tau-441 (244-372) Protein | T08-55N | Tau-441 (244-372) Protein | T08-55H | Tau-441 (244-372), Biotinylated | T08-55NB | Tau-441 (50-391) Protein | T08-55ON | Tau-441 (50-421) Protein | T08-55NN | Tau-441 (50-441) Protein | T08-55MN | Tau-441 (99-441) Protein | T08-55JN |
產品系列 - 磷酸化的Tau蛋白 Tau-441, BRSK1-phosphorylated | T08-50N | Tau-441, BRSK2-phosphorylated | T08-50BN | Tau-441, CAMK2-phosphorylated | T08-50CN | Tau-441, DYRK1A-phosphorylated | T08-50RN | Tau-441, DYRK1A-phosphorylated & Biotinylated | T08-50RNB | Tau-441, GSK3beta-phosphorylated | T08-50FN | Tau-441, PHKG2-phosphorylated | T08-50KN | Tau-441, PKA-phosphorylated | T08-50LN | Tau-441, TTBK1-phosphorylated | T08-50ON |
產品系列 - 抗Tau蛋白抗體 Anti-phospho-Tau (Ser214) | T08-365GR | Anti-phospho-Tau (Ser235) | T08-365FR | Anti-phospho-Tau (Ser262) | T08-365IR | Anti-phospho-Tau (Ser356) | T08-365MR | Anti-phospho-Tau (Ser396) | T08-365ER | Anti-phospho-Tau (Ser404) | T08-365HR | Anti-phospho-Tau (Ser416) | T08-365DR | Anti-phospho-Tau (Ser422) | T08-365KR | Anti-phospho-Tau (Thr181) | T08-365R | Anti-phospho-Tau (Thr205) | T08-365BR | Anti-phospho-Tau (Thr212) | T08-365JR | Anti-phospho-Tau (Thr231) | T08-365CR |
產品系列 - 與 Tau 蛋白磷酸化相關的蛋白激酶 AKT1, Active | A16-10G | AKT2, Active | A17-10H | AKT3, Active | A18-10G | CAMK1 beta, Active | C08-10G | CAMK1 delta, Active | C09-10G | CAMK1 gamma, Active | C10-11G | CAMK1, Active | C07-10G | CAMK2 alpha, Active | C11-10G | CAMK2 beta, Active | C12-10H | CAMK2 delta, Active | C13-10G | CAMK2 gamma, Active | C14-10G | CAMK4, Active | C15-10G | CAMKK1, Active | C17-10G | CAMKK2, Active | C18-10G | CASK, Active | C19-11G | CK1 alpha 1, Active | C64-10G | CK1 alpha 1L, Active | C75-10G | CK1 delta, Active | C65-10G | CK1 epsilon, Active | C66-10G | CK1 gamma 1, Active | C68-11G | CK1 gamma 2, Active | C68-10BG | CK1 gamma 3, Active | C68-10CG | CK2 alpha 1, Active | C70-10G | CK2 alpha 2, Active | C71-10G | DAPK1, Active | D01-11G | DAPK2, Active | D02-10G | DAPK3, Active | D03-10G | DYRK1A, Active | D09-10G | DYRK1B, Active | D09-10BG | DYRK2, Active | D10-10G | DYRK3, Active | D11-11G | DYRK4, Active | D12-10G | ERK1, Active | M29-10G | ERK2, Active | M28-10G | ERK3 (MAPK6), Active | M31-10G | ERK5, Active | M32-10G | ERK7 (MAPK15), Active | M47-10BG | FYN A, Active | F15-10G | GSK3 alpha, Active | G08-10G | GSK3 beta, Active | G09-10G | GSK3 beta, Active | G09-10H | JNK1, Active | M33-10G | JNK2, Active | M34-10BG | JNK3, Active | M35-10BG | MARK1, Active | M43-10G | MARK2, Active | M44-10G | MARK3, Active | M45-10G | MARK4, Active | M46-10G | MEK1 (EE), Active | M02-12G | MEK1, Active | M02-10G | MEK2, Active | M03-10G | MEK3 (MAP2K3), Active | M04-10G | MEK4 (MAP2K4), Active | M05-10G | MEK5, Active | M06-10G | MEK6, Active | M07-10G | MEK7, Active | M08-10G | MELK, Active | M50-11G | MELK, Active | M50-18G | MINK1, Active | M53-11G | MSK1, Active | R19-10G | MSK2, Active | R18-10G | MST1, Active | S25-10G | MST3, Active | S42-11G | MST4, Active | M59-10G | p38 alpha, Active | M39-10BG | p38 beta, Active | M36-10BG | p38 delta, Active | M38-10BG | p38 gamma, Active | M37-10BG | PDK1, Active | P14-10H | PIM1, Active | P35-10G | PIM2, Active | P36-10G | PIM3, Active | P37-10G | PIM3, Active | P37-10BG | PKAc alpha, Active | P51-10G | PKAc beta, Active | P52-10G | PKAc gamma, Active | P53-10G | PYK2, Active | P92-11H | RSK1, Active | R15-10G | RSK2, Active | R17-10G | RSK3, Active | R16-10G | RSK4, Active | R20-10G | TTBK1, Active | T17-11G | TTBK2, Active | T18-11G |
攜手走進“Tau蛋白”! 為了我們都愛的人們, 向阿爾茨海默癥作戰(zhàn)! 伊諾凱大量現貨庫存!
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