科研日报 2026-01-14

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📅 Daily Report - 2026-01-14

今日筛选出 76 条内容,来自 2 个来源

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🤖 今日AI智能总结

🧬 数据前沿

今日焦点

  • BTK抑制剂在神经损伤修复中的潜力:多项研究(GSE279103, GSE278773)显示,BTK抑制剂可逆转B细胞介导的淋巴毒素-α释放引起的神经损伤,提示其在神经系统疾病治疗中的新应用。
  • GATA1 N-端在红细胞发育中的关键代谢作用:通过RNA-seq、CUT&RUN等技术(GSE315981, GSE316151, GSE315986, GSE315985, GSE299583)揭示了GATA1 N-端在红细胞发育过程中的重要代谢调控功能。

主要方向

  • 肿瘤微环境与免疫治疗:深入研究激素敏感性乳腺癌(GSE304998)和急性髓系白血病(GSE300371, GSE300370)的肿瘤微环境及其对免疫治疗(ICB)和靶向疗效的影响。
  • 细胞发育与表观遗传调控:探索肠道上皮Tet2缺陷(GSE307332)、ATRX基因丢失(GSE291201, GSE291197)以及γδ T细胞发育(GSE308703)中的关键分子机制。
  • 单细胞转录组学在疾病诊断与机制解析中的应用:利用scRNA-seq技术解析结直肠癌(GSE299651)、B细胞功能(GSE271012, GSE155585)、中枢神经系统脱髓鞘疾病(GSE308212, GSE286541)以及甲壳类免疫(GSE289112)等。

技术亮点

  • Hi-C技术在癌症基因组学中的应用:用于检测淋巴瘤样本中的增强子-劫持重排(GSE289531)。
  • 多组学联合分析:结合RNA-seq、ATAC-seq、CUT&RUN等技术,全面解析基因功能、表观遗传调控及代谢通路。

🧪 博客更新

今日焦点: 新型脑信号模式有望在阿尔茨海默病确诊前预测疾病进展;一种新型抗生素测试能区分真正杀灭细菌的药物。

主要方向

  • 精准医疗:开发能区分杀菌与抑菌的抗生素测试。
  • 神经科学:探索早期阿尔茨海默病诊断的脑信号。
  • 生物技术:实现无仪器高通量单细胞DNA测序及多组学分析。
  • 空间组学:整合空间转录组学与RNA测序预测缺失基因表达,解析组织结构。

技术亮点

  • 新型抗生素敏感性测试,追踪单个细菌存活。
  • 非侵入性脑扫描技术,识别早期阿尔茨海默病风险。
  • VISTA整合空间信息,提升基因表达预测精度。

📚 分类浏览

🧬 数据前沿 (72条)

详细内容(前10条)

1.GSE304998 肿瘤微环境和免疫动力学在激素敏感性乳腺癌中的作用:来自大鼠模型中免疫检查点阻断和靶向治疗的启示

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:tumor、cancer、immune、tumor microenvironment
  • 📝 描述:Series Type : Expression profiling by high throughput sequencingOrganism : Rattus norvegicusThis SuperSeries is composed of the SubSeries listed below.
  • 🔗 查看原文

2.GSE307332 肠道上皮Tet2缺陷通过胆汁酸代谢改变重编程肠道菌群

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:metabolic、gut、regex:gut(-?microbiome)?、regex:intestin(e|al)
  • 📝 描述:Contributor : Hailiang LiuSeries Type : Expression profiling by high throughput sequencingOrganism : Mus musculusEpigenetic mechanisms are increasingly recognized as critical regulators of host-microbiota interactions. Here, we report that intestinal epithelial-specific deletion of Tet2, a key DNA demethylase, leads to structural abnormalities, impaired barrier function, and remarkable reprogramming of the gut microbial community. Mechanistically, Tet2 deficiency significantly downregulated the expression of the apical sodium-dependent bile acid transporter (ASBT/Slc10a2), resulting in altered bile acid homeostasis with specific accumulation of hyocholic acid (HCA) in the intestinal lumen. This metabolic shift created a favorable niche for selective expansion of bile salt hydrolase (BSH)-expressing Lactobacillus species. Furthermore, we identified an age-dependent regulatory role of HCA in shaping microbial composition, promoting Lactobacillus in young mice while enriching Akkermansia in aged animals. Our findings unveil an epigenetic-metabolic-microbial axis centered on Tet2-mediated regulation of bile acid metabolism, providing new insights into how host epigenetic factors shape the gut microbial ecosystem.
  • 🔗 查看原文

3.GSE279103 布鲁顿酪氨酸激酶抑制剂可挽救由B细胞介导的淋巴毒素-α释放引起的神经元损伤

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:B cell、Neuronal、kinase
  • 📝 描述:Contributors : Paul Götz ; Nesrin Sharif ; Nicholas Hanuscheck ; Josef Shin ; Frauke ZippSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensAlthough B cell depletion slows disability accrual in people with multiple sclerosis (pwMS), the role of B cells in MS-associated neuronal injury remains elusive. B cells release cytokines such as lymphotoxin-α (LTα), and this proinflammatory protein is also present in the cerebrospinal fluid (CSF) and meninges of pwMS. B cell-specific ablation of LTα alleviates disease severity in a preclinical model of MS. To further study the impact of B cell-derived cytokines on neuronal function, we performed patch-clamp recordings on human iPSC-derived neurons. Coculture with proinflammatory human B cells led to depolarization and aberrant firing. Pretreatment of proinflammatory B cells with a Bruton’s tyrosine kinase inhibitor (BTKi), reported in patients to beneficially affect disability progression even in the absence of inflammatory relapse activity, prevented neuronal impairment and inhibited LTα release from B cells. Blocking LTα, tumor necrosis factor receptor 1 (TNFR1), or receptor-interacting protein kinase 1 or 3 also prevented neuronal impairment, but blocking TNFα or LTβ had no such effect. Neuronal impairment was reversible by BTKi or blockage of LTα, and this reversibility was dependent on the activity of acid sphingomyelinase. In pwMS, LTα correlated with elevated neurofilament light chain (NfL) abundance in CSF, and anti-CD20 B cell-depletion therapy led to a reduction in circulating LTα, supporting the role of B cells as a regulator for LTα. These findings highlight the negative impact of B cell-derived LTα on neurons and suggest potential treatment avenues for MS-associated neuronal injury.
  • 🔗 查看原文

4.GSE278773 布鲁顿酪氨酸激酶抑制剂可挽救由B细胞介导的淋巴毒素-α释放引起的神经元损伤

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:B cell、Neuronal、kinase
  • 📝 描述:Contributors : Paul Götz ; Nesrin Sharif ; Nicholas Hanuscheck ; Josef Shin ; Frauke ZippSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensAlthough B cell depletion slows disability accrual in people with multiple sclerosis (pwMS), the role of B cells in MS-associated neuronal injury remains elusive. B cells release cytokines such as lymphotoxin-α (LTα), and this proinflammatory protein is also present in the cerebrospinal fluid (CSF) and meninges of pwMS. B cell-specific ablation of LTα alleviates disease severity in a preclinical model of MS. To further study the impact of B cell-derived cytokines on neuronal function, we performed patch-clamp recordings on human iPSC-derived neurons. Coculture with proinflammatory human B cells led to depolarization and aberrant firing. Pretreatment of proinflammatory B cells with a Bruton’s tyrosine kinase inhibitor (BTKi), reported in patients to beneficially affect disability progression even in the absence of inflammatory relapse activity, prevented neuronal impairment and inhibited LTα release from B cells. Blocking LTα, tumor necrosis factor receptor 1 (TNFR1), or receptor-interacting protein kinase 1 or 3 also prevented neuronal impairment, but blocking TNFα or LTβ had no such effect. Neuronal impairment was reversible by BTKi or blockage of LTα, and this reversibility was dependent on the activity of acid sphingomyelinase. In pwMS, LTα correlated with elevated neurofilament light chain (NfL) abundance in CSF, and anti-CD20 B cell-depletion therapy led to a reduction in circulating LTα, supporting the role of B cells as a regulator for LTα. These findings highlight the negative impact of B cell-derived LTα on neurons and suggest potential treatment avenues for MS-associated neuronal injury.
  • 🔗 查看原文

5.GSE271012:从8周龄C57BL/6J小鼠转移的B1-8抗原特异性B细胞的单细胞RNA测序

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:antigen、RNAseq、single-cell
  • 📝 描述:Contributors : Xiaoming Wang ; Jingjing Chen ; Yuliang WangSeries Type : Expression profiling by high throughput sequencingOrganism : Mus musculusThe aim of this study is to characterize the accurate cell cluster of transferred B1-8 antigen-specific B cells.
  • 🔗 查看原文

6. GSE315981 揭示 GATA1 N 端在红细胞发育中的关键代谢作用 [批量 RNA 测序]

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:metabolic、RNA-seq
  • 📝 描述:Contributors : Te Ling ; Rashid Mehmood ; John D CrispinoSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensMutations in GATA1 that result in skipping of exon 2, which encodes the N-terminus, are associated with the myeloid leukemia of Down syndrome and Diamond-Blackfan anemia (DBA). To elucidate the molecular functions of the N-terminus, we employed single-cell RNA sequencing (scRNA-seq) of fetal liver cells derived from Gata1 mutant embryos that express the GATA1 short (GATA1s) isoform in place of full-length GATA1 (GATA1FL). scRNA-seq highlighted defects in erythropoiesis and revealed that the absence of the N-terminus resulted in elevated expression of genes involved in glycolysis, such as the rate-limiting pyruvate kinase PKM. To elucidate the regulation of the PKM gene, we performed precision nuclear run-on sequencing and cleavage under targets and release using nuclease on erythroid cells following acute deletion of GATA1 and determined that PKM is a direct target of GATA1. Mechanistically, we found that substitution of GATA1FL with GATA1s led to increased glycolysis in erythroid progenitor cells but did not affect oxidative phosphorylation. We further discovered that the expression of PKM is significantly elevated in DBA patients with RPS19 mutations, consistent with a role for GATA1 regulation of glycolysis in erythropoiesis. Together, these findings reveal that GATA1 controls not just heme metabolism, but also glycolysis.
  • 🔗 查看原文

7. GSE299651 结直肠癌单细胞筛选鉴定出由癌基因激活的具有临床意义的转录模块

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:cancer、single-cell
  • 📝 描述:Contributors : Viola Hollek ; Francisca Böhning ; Markus Morkel ; Nils BlüthgenSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensWhile oncogenic mutations shape colorectal cancer biology and therapy response, their prognostic value remains low. Cluster-based classification of patient cancer transcriptomes has shown greater promise for prognosis, yet these systems do not account for the roles of oncogenes in establishing cancer phenotypes. Here, we create and validate a prognostic classifier for colorectal cancer based on transcriptional programs induced by oncogenes.To systematically investigate oncogenic drivers, we employed a barcoded library of colorectal cancer-associated oncogene variants across a panel of genetically diverse colorectal cancer cell lines. We profiled the transcriptomes of over 100,000 transgenic cells and used machine learning to define transcriptional modules capturing key functional traits.Our analysis revealed heterogeneity on the cell-to-cell level and context-dependent gene expression patterns induced by oncogenes. We identified overarching gene expression modules reflecting core oncogenic processes, including cancer cell plasticity, inflammatory response, replicative stress, and epithelial-to-mesenchymal transition. These modules enabled a functional classification that linked oncogenic signalling states to distinct transcriptional profiles. We demonstrated their prognostic value by stratifying clinical colorectal cancer cohorts into high- and low-risk groups. Although partially correlated with established clinical parameters, the modules provided additional prognostic information, improving survival prediction and therapy stratification beyond existing classification systems.In summary, our study establishes a framework that connects oncogenic mutations to core transcriptional modules. By integrating experimental models with clinical data, we provide a resource for investigating colorectal cancer progression and oncogene-specific vulnerabilities, facilitating future research and precision oncology.
  • 🔗 查看原文

8. GSE291201 ATRX 缺失将富含 G 的重复序列处的基因组不稳定性与人类 α-珠蛋白表达失调联系起来 [scRNA-seq]

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:scRNA、genome
  • 📝 描述:Contributors : Yuqi Shen ; Sean WenSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensGermline mutations in the chromatin remodelling protein ATRX cause a severe developmental disorder associated with α-thalassemia. In addition, ATRX is amongst the twenty genes most frequently mutated in cancer. How ATRX mutations alter gene expression remains unclear. Using the α-globin locus as a model, here we show that ATRX deficiency downregulates α-globin in a subset of cells exhibiting DNA damage. A G-rich repeat at the α-globin locus serves as a potential site of G-quadruplex formation and DNA damage. ATRX binds this repeat co-transcriptionally, and its loss increases R-loop accumulation at this site, leading to local DNA damage and transcriptional disruption in cis. Deletion of this repeat abolishes this effect, while targeted DNA damage reinstates it. These findings reveal a mechanism linking ATRX’s role in genome stability to transcriptional regulation, and uncover a molecular basis of human genetic disease mediated by a long-range G-rich repeat.
  • 🔗 查看原文

9. GSE291197 ATRX 缺失将富含 G 的重复序列处的基因组不稳定性与人类 α-珠蛋白表达失调联系起来 [ChIP-seq]

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:ChIP-seq、genome
  • 📝 描述:Contributor : Yuqi ShenSeries Type : Genome binding/occupancy profiling by high throughput sequencingOrganism : Homo sapiensGermline mutations in the chromatin remodelling protein ATRX cause a severe developmental disorder associated with α-thalassemia. In addition, ATRX is amongst the twenty genes most frequently mutated in cancer. How ATRX mutations alter gene expression remains unclear. Using the α-globin locus as a model, here we show that ATRX deficiency downregulates α-globin in a subset of cells exhibiting DNA damage. A G-rich repeat at the α-globin locus serves as a potential site of G-quadruplex formation and DNA damage. ATRX binds this repeat co-transcriptionally, and its loss increases R-loop accumulation at this site, leading to local DNA damage and transcriptional disruption in cis. Deletion of this repeat abolishes this effect, while targeted DNA damage reinstates it. These findings reveal a mechanism linking ATRX’s role in genome stability to transcriptional regulation, and uncover a molecular basis of human genetic disease mediated by a long-range G-rich repeat.
  • 🔗 查看原文

10. GSE289112 泥蟹(Scylla paramamosain)血细胞在感染白斑综合征病毒(WSSV)前后的单细胞转录组测序

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:sequencing、transcriptome
  • 📝 描述:Contributor : Hu HangSeries Type : Expression profiling by high throughput sequencingOrganism : Scylla paramamosainWe used the BDA DNBelabC4 platform to conduct single-cell RNA transcriptome sequencing on hemocytes before and after infection with WSSV, and to study the changes in hemocytes composition and antiviral mechanism of a crustacean virus infection represented by mud crab. The blood cells, or hemocytes, of the mud crab (Scylla paramamosain) play crucial roles in its innate immune system. These cells are involved in various immune responses, including phagocytosis, encapsulation, and the production of antimicrobial peptides. The hemocytes can be isolated and characterized using techniques such as flow cytometry, which helps in understanding their functions and interactions within the crab’s immune system. White Spot Syndrome Virus (WSSV) is a highly contagious and lethal virus that primarily infects crustaceans, particularly shrimp and crabs. It is an enveloped double-stranded DNA virus, typically oval-shaped, measuring about 320nm in length and 100nm in width, making it one of the largest known viruses. WSSV is the causative agent of White Spot Syndrome, a disease that has caused significant economic losses in the aquaculture industry.
  • 🔗 查看原文

💡 该来源还有 62 条内容,详见 文末

🧪 博客更新 (4条)

详细内容(全部4条)

1. Factorial Biotechnologies 和 Honeycomb Biotechnologies 合作提供高通量、无需仪器的单细胞 DNA 测序服务

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:sequencing、single-cell
  • 📝 描述:A new partnership enables scalable single-cell WGS and multi-omics, complementing RNA…
  • 🔗 查看原文

2. 一项新测试揭示了哪些抗生素真正能杀死细菌

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:bacteria、regex:bacter(ia|ial|ium)
  • 📝 描述:Some antibiotics stop bacteria from growing without actually killing them, allowing infections to return later. Scientists at the University of Basel created a new test that tracks individual bacteria to see which drugs truly eliminate them. When tested on tuberculosis and other serious lung infections, the method revealed big differences in how bacteria tolerate treatment. The findings could lead to more precise therapies and better predictions of treatment success.
  • 🔗 查看原文

3. VISTA——连接基因表达和空间背景

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:spatial
  • 📝 描述:VISTA integrates spatial transcriptomics with RNA sequencing to predict missing gene expression, enabling enhanced mapping of tissue organization, cell interactions, and spatially driven gene activity patterns…
  • 🔗 查看原文

4. 隐藏的大脑信号可能在确诊前很久就揭示阿尔茨海默病的症状。

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:Alzheimer
  • 📝 描述:Researchers have discovered a brain activity pattern that can predict which people with mild cognitive impairment are likely to develop Alzheimer’s disease. Using a noninvasive brain scanning technique and a custom analysis tool, they detected subtle changes in electrical signals tied to memory processing years before diagnosis. The findings point to a new way of spotting Alzheimer’s early—by listening directly to how neurons behave.
  • 🔗 查看原文

📊 关键词统计

关键词出现次数
cancer10
RNA-seq8
metabolic7
genome7
sequencing5
single-cell5
antigen5
Neuronal4
scRNA4
transcriptome4
carcinoma4
enrichment3
methylation3
spatial2
ChIP-seq2
immune2
regex:intestin(eal)
leukemia2
ATAC-seq2
Hi-C2

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🧬 数据前沿 其他内容 (62条)

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