前沿靶點(diǎn)速遞:每周醫(yī)學(xué)研究精選(二)
日期:2024-06-25 15:51:00
靶點(diǎn):ZFP318
應(yīng)用:保護(hù)B細(xì)胞免疫記憶,疫苗設(shè)計(jì)和免疫治療的潛在新靶點(diǎn)
來源:High recallability of memory B cells requires ZFP318-dependent transcriptional regulation of mitochondrial function. Immunity, 2024 Jun.
靶點(diǎn):SSTR5
應(yīng)用:銀屑病治療靶點(diǎn)
來源: Structural basis for activation of somatostatin receptor 5 by cyclic neuropeptide agonists. Proc Natl Acad Sci U S A. 2024 Jun 25
靶點(diǎn):CD26
應(yīng)用:新型MERS樣冠狀病毒MjHKU4r-CoV-1受體
來源:Molecular basis for receptor recognition and broad host tropism for merbecovirus MjHKU4r-CoV-1. EMBO Rep. 2024 Jun 14.
靶點(diǎn):TIGAR
應(yīng)用:治療肥胖的潛在靶點(diǎn)
來源:TIGAR exacerbates obesity by triggering LRRK2-mediated defects in macroautophagy and chaperone-mediated autophagy in adipocytes. Autophagy. 2024 Apr 30.
貴州醫(yī)科大學(xué)郭兵教授團(tuán)隊(duì)在《Autophagy》期刊上發(fā)表的研究發(fā)現(xiàn)TIGAR通過LRRK2-RAB7B復(fù)合體抑制自噬,加重肥胖的病理機(jī)制,為治療肥胖提供了新的可能靶點(diǎn)。研究發(fā)現(xiàn)TIGAR轉(zhuǎn)基因小鼠脂肪量增加并趨向肥胖表型,TIGAR過表達(dá)抑制自噬,導(dǎo)致脂肪細(xì)胞脂質(zhì)代謝功能障礙。抑制TIGAR可增強(qiáng)自噬,減輕TIGAR轉(zhuǎn)基因小鼠的肥胖癥狀,表明TIGAR是治療肥胖的潛在靶點(diǎn)。這項(xiàng)研究為深入理解肥胖的分子機(jī)制提供了新的視角,并可能有助于開發(fā)新的治療策略。
靶點(diǎn):AT1R
應(yīng)用:AML和心血管疾病(CVD)的共同靶點(diǎn)
來源:Inhibiting AGTR1 reduces AML burden and protects the heart from cardiotoxicity in mouse models. Sci Transl Med. 2024 Jun 19.
靶點(diǎn):PI3Kγ
應(yīng)用:高PIK3R5表達(dá)白血病的治療靶點(diǎn)
來源:Targetable leukaemia dependency on noncanonical PI3Kγ signalling. Nature. 2024 Jun.
美國哈佛醫(yī)學(xué)院Dana-Farber癌癥研究所的Andrew A. Lane研究團(tuán)隊(duì)通過全基因組CRISPRi篩選,發(fā)現(xiàn)了急性白血病的某些亞型對(duì)PI3Kγ具有選擇性依賴性。研究表明,PI3Kγ抑制劑eganelisib對(duì)治療具有高PIK3R5表達(dá)的白血病有效,并且與化療藥物cytarabine聯(lián)合使用可以顯著提高急性白血病小鼠模型的存活率。
[1] High recallability of memory B cells requires ZFP318-dependent transcriptional regulation of mitochondrial function. Immunity, 2024 Jun. 10.1016/j.immuni.2024.05.022.
[2] Structural basis for activation of somatostatin receptor 5 by cyclic neuropeptide agonists. Proc Natl Acad Sci U S A. 2024 Jun 25. 10.1073/pnas.2321710121.
[3] Molecular basis for receptor recognition and broad host tropism for merbecovirus MjHKU4r-CoV-1. EMBO Rep. 2024 Jun 14. 10.1038/s44319-024-00169-8.
[4] TIGAR exacerbates obesity by triggering LRRK2-mediated defects in macroautophagy and chaperone-mediated autophagy in adipocytes. Autophagy. 2024 Apr 30. 10.1080/15548627.2024.2338576.
[5] Inhibiting AGTR1 reduces AML burden and protects the heart from cardiotoxicity in mouse models. Sci Transl Med. 2024 Jun 19. 10.1126/scitranslmed.adl5931.
[6] Targetable leukaemia dependency on noncanonical PI3Kγ signalling. Nature. 2024 Jun. 10.1038/s41586-024-07410-3.
應(yīng)用:保護(hù)B細(xì)胞免疫記憶,疫苗設(shè)計(jì)和免疫治療的潛在新靶點(diǎn)
來源:High recallability of memory B cells requires ZFP318-dependent transcriptional regulation of mitochondrial function. Immunity, 2024 Jun.
(圖源:10.1016/j.immuni.2024.05.022[1])
清華大學(xué)祁海團(tuán)隊(duì)在《Immunity》雜志發(fā)表的研究揭示了ZFP318作為關(guān)鍵轉(zhuǎn)錄調(diào)節(jié)因子,對(duì)記憶B細(xì)胞的再應(yīng)答能力至關(guān)重要。該團(tuán)隊(duì)發(fā)現(xiàn),ZFP318通過調(diào)控線粒體功能,顯著影響記憶B細(xì)胞在疫苗誘導(dǎo)的免疫反應(yīng)中的效能。ZFP318的表達(dá)增強(qiáng)了這些細(xì)胞的反應(yīng)性,而其缺失則降低了它們?cè)谠賾?yīng)答中的參與程度。這項(xiàng)研究不僅為理解B細(xì)胞免疫記憶的質(zhì)量控制機(jī)制提供了新的視角,也為疫苗設(shè)計(jì)和免疫治療提供了潛在的新靶點(diǎn)。靶點(diǎn):SSTR5
應(yīng)用:銀屑病治療靶點(diǎn)
來源: Structural basis for activation of somatostatin receptor 5 by cyclic neuropeptide agonists. Proc Natl Acad Sci U S A. 2024 Jun 25
(圖:配體與生長抑素受體5之間的相互作用[2])
銀屑病是一種常見的慢性炎癥性皮膚病,李欣教授和朱博研究員團(tuán)隊(duì)在《Cellular & Molecular Immunology》雜志上發(fā)表的研究揭示了樹突狀細(xì)胞中cGAS-STING信號(hào)通路在銀屑病發(fā)展中的關(guān)鍵作用。研究發(fā)現(xiàn),銀屑病皮損中的cGAS-STING信號(hào)及其下游基因表達(dá)上調(diào),特異性敲除樹突狀細(xì)胞中的Sting基因可減輕銀屑病癥狀,減少炎癥因子產(chǎn)生。此外,STING抑制劑C-176在小鼠銀屑病模型中顯示出治療潛力,能夠緩解炎癥和降低病變皮膚中的免疫細(xì)胞群。這些發(fā)現(xiàn)表明,靶向STING可能是治療銀屑病的有效新策略。靶點(diǎn):CD26
應(yīng)用:新型MERS樣冠狀病毒MjHKU4r-CoV-1受體
來源:Molecular basis for receptor recognition and broad host tropism for merbecovirus MjHKU4r-CoV-1. EMBO Rep. 2024 Jun 14.
(圖源:10.1038/s44319-024-00169-8[3])
中國科學(xué)院微生物研究所的高福院士團(tuán)隊(duì)在《EMBO Reports》上發(fā)表了一項(xiàng)研究,揭示了新型MERS樣冠狀病毒MjHKU4r-CoV-1的受體識(shí)別機(jī)制和廣泛的宿主嗜性。通過X射線衍射技術(shù),團(tuán)隊(duì)解析了該病毒與人類CD26受體結(jié)合的復(fù)合物結(jié)構(gòu),發(fā)現(xiàn)其具有獨(dú)特且緊密的相互作用,導(dǎo)致與人類受體的強(qiáng)結(jié)合親和力。進(jìn)一步的評(píng)估顯示,MjHKU4r-CoV-1能夠與多種動(dòng)物的CD26受體結(jié)合,表明其可能具有廣泛的宿主范圍。關(guān)鍵氨基酸位點(diǎn)的確定為理解病毒的宿主嗜性提供了分子層面的見解。這項(xiàng)研究不僅增進(jìn)了對(duì)這種潛在高風(fēng)險(xiǎn)病毒的認(rèn)識(shí),也為預(yù)防未來疫情提供了科學(xué)支持。靶點(diǎn):TIGAR
應(yīng)用:治療肥胖的潛在靶點(diǎn)
來源:TIGAR exacerbates obesity by triggering LRRK2-mediated defects in macroautophagy and chaperone-mediated autophagy in adipocytes. Autophagy. 2024 Apr 30.
貴州醫(yī)科大學(xué)郭兵教授團(tuán)隊(duì)在《Autophagy》期刊上發(fā)表的研究發(fā)現(xiàn)TIGAR通過LRRK2-RAB7B復(fù)合體抑制自噬,加重肥胖的病理機(jī)制,為治療肥胖提供了新的可能靶點(diǎn)。研究發(fā)現(xiàn)TIGAR轉(zhuǎn)基因小鼠脂肪量增加并趨向肥胖表型,TIGAR過表達(dá)抑制自噬,導(dǎo)致脂肪細(xì)胞脂質(zhì)代謝功能障礙。抑制TIGAR可增強(qiáng)自噬,減輕TIGAR轉(zhuǎn)基因小鼠的肥胖癥狀,表明TIGAR是治療肥胖的潛在靶點(diǎn)。這項(xiàng)研究為深入理解肥胖的分子機(jī)制提供了新的視角,并可能有助于開發(fā)新的治療策略。
靶點(diǎn):AT1R
應(yīng)用:AML和心血管疾病(CVD)的共同靶點(diǎn)
來源:Inhibiting AGTR1 reduces AML burden and protects the heart from cardiotoxicity in mouse models. Sci Transl Med. 2024 Jun 19.
(圖源:10.1016/j.cell.2024.04.009[5])
康迅雷教授團(tuán)隊(duì)在《Science Translational Medicine》發(fā)表的研究表明,抑制血管緊張素II型受體1(AGTR1)可以減輕急性髓性白血病(AML)的負(fù)擔(dān),并保護(hù)心臟免受化療的毒性。研究發(fā)現(xiàn)AGTR1是AML和心血管疾?。–VD)的共同靶點(diǎn),通過AGTR1-Notch1信號(hào)通路發(fā)揮作用。抑制該信號(hào)通路能提高AML對(duì)化療的敏感性,并減少化療對(duì)心臟的損害。這一發(fā)現(xiàn)為改進(jìn)AML治療提供了新思路。靶點(diǎn):PI3Kγ
應(yīng)用:高PIK3R5表達(dá)白血病的治療靶點(diǎn)
來源:Targetable leukaemia dependency on noncanonical PI3Kγ signalling. Nature. 2024 Jun.
美國哈佛醫(yī)學(xué)院Dana-Farber癌癥研究所的Andrew A. Lane研究團(tuán)隊(duì)通過全基因組CRISPRi篩選,發(fā)現(xiàn)了急性白血病的某些亞型對(duì)PI3Kγ具有選擇性依賴性。研究表明,PI3Kγ抑制劑eganelisib對(duì)治療具有高PIK3R5表達(dá)的白血病有效,并且與化療藥物cytarabine聯(lián)合使用可以顯著提高急性白血病小鼠模型的存活率。
[1] High recallability of memory B cells requires ZFP318-dependent transcriptional regulation of mitochondrial function. Immunity, 2024 Jun. 10.1016/j.immuni.2024.05.022.
[2] Structural basis for activation of somatostatin receptor 5 by cyclic neuropeptide agonists. Proc Natl Acad Sci U S A. 2024 Jun 25. 10.1073/pnas.2321710121.
[3] Molecular basis for receptor recognition and broad host tropism for merbecovirus MjHKU4r-CoV-1. EMBO Rep. 2024 Jun 14. 10.1038/s44319-024-00169-8.
[4] TIGAR exacerbates obesity by triggering LRRK2-mediated defects in macroautophagy and chaperone-mediated autophagy in adipocytes. Autophagy. 2024 Apr 30. 10.1080/15548627.2024.2338576.
[5] Inhibiting AGTR1 reduces AML burden and protects the heart from cardiotoxicity in mouse models. Sci Transl Med. 2024 Jun 19. 10.1126/scitranslmed.adl5931.
[6] Targetable leukaemia dependency on noncanonical PI3Kγ signalling. Nature. 2024 Jun. 10.1038/s41586-024-07410-3.