科研日报 2026-03-20

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📅 Daily Report - 2026-03-20

今日筛选出 90 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: SAR T细胞疗法联合放疗在NSCLC中展现出协同抗肿瘤潜力;树突状细胞冗余机制揭示其在胰腺癌中介导CD4 T细胞活化。

主要方向

  • 肿瘤免疫治疗:探索SAR T细胞疗法、树突状细胞功能、肿瘤微环境调控(NSCLC、胰腺癌、黑色素瘤)。
  • 药物抗性机制与克服:研究BIRC5/MCL-1抑制剂在套细胞淋巴瘤中的应用,DPP4抑制剂对肝细胞代谢与炎症的影响。
  • 细胞表型与功能解析:解析B细胞亚群的表型特征,研究高海拔暴露对Treg细胞的影响,揭示HMGCS1在Th17细胞免疫中的作用。

技术亮点

  • 单细胞RNA测序(scRNA-seq)广泛应用于肿瘤、免疫细胞和组织的研究,提供高分辨率的细胞异质性信息。
  • 整合多组学数据(转录组-蛋白质组、多重组学)以更全面地理解生物学过程。

🧪 博客更新

今日焦点: 首次大规模绘制猫癌症基因图谱,揭示与人类癌症的显著重叠,为跨物种癌症研究提供新视角。

主要方向

  • 利用RNA测序和AI设计新型抗癌药物,通过预测化学结构对基因表达的影响,逆转疾病相关转录组。
  • 构建基于RNA测序和AI的“虚拟患者”模型,整合肿瘤数据预测个体药物反应,优化精准肿瘤治疗。

技术亮点

  • 直接RNA测序技术(Nanopore)显著提升RNA修饰检测能力,支持更精准的转录组分析和临床应用。
  • 新型药物有望在肠道手术后保护肝脏并促进营养吸收。

📚 分类浏览

🧬 数据前沿 (85条)

详细内容(前10条)

1.GSE317103 HER2 特异性合成抗原受体 (SAR) T 细胞疗法与放射疗法协同作用,提高非小细胞肺癌 (NSCLC) 的抗肿瘤疗效

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:tumor、cancer、T cell、antigen
  • 📝 描述:Contributors : Olga-Demetra Biziotis ; Christopher M Silvestri ; Allyson E Moore ; Russta Fayyazi ; Simon Wang ; Elham Ahmadi ; Daniel Del Rosso ; Amr Ali ; Evangelia E Tsakiridis ; Christopher L Baker ; Craig W Aarts ; Bojana Bojovic ; Joanne A Hammill ; Gregory R Steinberg ; Jonathan L Bramson ; Theodoros TsakiridisSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensIn non-small cell lung cancer (NSCLC), radiotherapy not only mediates cytotoxicity but also activates radioresistance drivers like HER2. We investigated radiotherapy combined with HER2-targeted T cell therapy in an NSCLC model. The antitumor efficacy of radiotherapy and engineered T cells expressing a DAP12-associated synthetic antigen receptor (SAR) targeting HER2 was evaluated in HER2-expressing A549 xenografts. HER2 modulation, transcriptional regulation, and tumor T cell infiltration were assessed using immunoblotting, realtime quantitative polymerase chain reaction, flow cytometry, RNA-seq, and immunohistochemistry. High-dose HER2-SAR T cell infusion abolished A549 tumor growth but induced graft-vs-host disease. Low-dose T cell infusion was well-tolerated and provided partial tumor inhibition. Induction radiotherapy (7 d before T cell infusion) synergistically improved tumor control and survival. Radiotherapy transiently upregulated HER2 expression (4 to 24 h), though administering HER2-SAR T cells within this window did not enhance antitumor efficacy. Radiation did not enhance T cell-mediated cytotoxicity in vitro. However, in tumors, radiotherapy increased intratumoral proliferation and accumulation of HER2-SAR T cells and enhanced the extrinsic apoptotic pathway, including induction of Fas transcript and protein levels and cleaved caspase-3 (CC3). RNA-seq of irradiated tumors revealed lasting transcriptional reprogramming with increased immune activation and decreased proliferation and oncogenic signaling. Induction radiotherapy enhances HER2-SAR T cell infiltration and provides synergistic tumor suppression, likely through additional activation of immune-mediated apoptosis. These findings support further assessment of HER2-SAR T cell therapy in HER2-expressing NSCLC.
  • 🔗 查看原文

2.GSE325195 树突状细胞冗余可启动胰腺癌中的抗肿瘤 CD4 T 细胞

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:tumor、cancer、dendritic cell
  • 📝 描述:Contributors : Chong Zuo ; Stephanie DouganSeries Type : Expression profiling by high throughput sequencingOrganism : Mus musculusPancreatic ductal adenocarcinoma (PDAC) is resistant to current immunotherapies and lacks effective CD8 T cell responses, which is potentially due to a paucity of cross-presenting dendritic cells (cDC1s). Here, we combine an innate immune adjuvant with anti-CTLA-4 and anti-PD-1 to achieve durable remissions and immunologic memory in multiple mouse models of poorly immunogenic PDAC. Tumor regression does not depend on CD8 T cells or tumor cell MHC class I expression but instead requires IFNγ-producing CD4 T cells (Th1s) that were primed by dendritic cells in lymph nodes. Combination immunotherapy induces an influx of activated cDC2s carrying tumor antigen into tumor-draining lymph nodes; cDC2s are required for orthotopic tumor clearance. Intratumoral CD4 T cells and cDC2s remain present in treatment-naïve and chemotherapy-exposed human PDAC. Even in chemotherapy-exposed patients’ blood, cDC2s outnumber cDC1s by ten-fold. Therefore, therapeutic targeting of the cDC2-CD4 T cell axis could be efficacious in pancreatic cancer.
  • 🔗 查看原文

3.GSE298777 人类幼稚B细胞和记忆B细胞亚群的转录组-蛋白质组分析揭示了同型和亚类特异性表型

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:B cell、transcriptome、proteome
  • 📝 描述:Contributors : Jana Koers ; Arie Hoogendijk ; Simon Tol ; Floris van Alphen ; Ninotska Derksen ; Maartje van den Biggelaar ; Theo RispensSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensAntibodies produced by B cells aid in recognition and clearance of pathogens and is the cornerstone of vaccination strategies. Humans produce nine different antibody isotypes and their effector functions differ according to the type of antigen and route of exposure. Phenotypic variation between isotype-swithched B cell subsets is expected but not studied in detail. To obtain a molecular definition of isotype-defined B cell identity, we performed proteomics and transcriptomics on isotype-defined populations of human naive and memory B cells (MBCs): CD27-IgM+IgD+, CD27+CD38lo/-IgM+IgD+, CD27+CD38lo/-IgM+IgD-, and IgA1, IgA2, IgG1, IgG2, IgG3, and IgG4 MBCs (CD27+CD38lo/-Ig+). Combined proteome and transcriptome analysis revealed that mRNA and protein expression profiles segregate separate isotype-defined B cell subsets according to their differentiation status. mRNA and protein expression levels correlated reasonably well for many genes. IgG4+ MBCs were most distinct from naive B cells. Besides a distinct expression profile of cytokine and Fc receptors, we identified a high expression of IgE-coding mRNA in IgG4-switched B cells. SDR16C5 was identified as uniquely upregulated in IgG4-switched B cells.
  • 🔗 查看原文

4.GSE287519 将功能性精准肿瘤学与免疫结构相结合,预测粘膜黑色素瘤的免疫治疗策略。

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:oncology、immune、regex:onco(logy|logist|gene|genic)
  • 📝 描述:Contributors : Matilde Monti ; Sara Picinoli ; Anna Bozzola ; Marco Ferrari ; Mattia Bugatti ; Irene Pezzali ; Marco Carlomagno ; Giada Carta ; Matteo Orlandi ; Giacomo Lora ; Luisa Benerini Gatta ; Francesco Missale ; Giorgia Ferrari ; Marcello Manfredi ; Veronica De Giorgis ; Emilio Marengo ; Mario Turri-Zanoni ; Piero Nicolai ; Francesca Consoli ; Davide Lombardi ; Paolo Martini ; Marzia Rossato ; William VermiSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensMucosal melanomas (MM) arise from mucosal melanocytes at various anatomical sites. These tumors are rare, highly aggressive, and often associated with poor outcomes. Current treatments, including immune checkpoint inhibitors, show limited efficacy in advanced disease. Compared to cutaneous melanomas, there is a lack of data on the immunogenicity and IFN-γ sensitivity of MM. In this study, we examine these features in sino-nasal melanoma (SN-MM) cell lines and clinical samples using microscopy and functional genomics. Microscopic analysis reveals that most SN-MM tumors are immune “desert” with few tumor-infiltrating lymphocytes (TILs), a characteristic linked to poor prognosis. Additionally, SN-MM tumors are CD274/PD-L1 negative. SN-MM cell lines express transcripts for melanocytic and cancer testis antigens. They also show normal surface expression of IFN-γ receptors (IFNGR) and maintain the integrity of the IFNGR/JAK/STAT signaling pathway. Transcriptomic and proteomic analyses demonstrate that SN-MM cell lines, as a group, respond to IFN-γ by upregulating genes involved in immune recognition and antigen presentation. In 60% of SN-MM lines, IFN-γ also induces cytotoxic and anti-proliferative effects, the release of CXCL10 and upregulation of CD274/PD-L1. The remaining SN-MM cell lines, characterized by poor differentiation, show refractoriness to these effects, likely due to post-transcriptional regulation. These findings suggest that combining functional precision oncology with immune context analysis could refine our understanding of immune escape mechanisms in MM and improve patient stratification for immune therapies.
  • 🔗 查看原文

5.GSE280859 AMP-dT 对小鼠淋巴结免疫反应的影响

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:immune、lymph、regex:lymph(o|atic)?
  • 📝 描述:Contributors : Martin P Steinbuck ; Peter C DeMuth ; Lochana M Seenappa ; Erica PalmerSeries Type : Expression profiling by arrayOrganism : Mus musculusAdjuvants are immuno-activators capable of shaping the magnitude and quality of antigen-specific immune responses induced by subunit immunization. Presently, there is an acute need for effective adjuvants that safely induce durable and balanced humoral and cellular responses. Here, we engineered a class of Amphiphile (AMP)-modified, immunostimulatory DNA-adjuvants designed for targeted delivery to lymph nodes and enhanced stimulation of TANK-binding kinase 1 (TBK1)-mediated danger-sensing pathways to generate strong adaptive immunity and long-term memory with potent recall potential. AMP-DNA adjuvants induced robust interferon type-I (IFN-I)-driven inflammatory environments in mouse and non-human primate (NHP) lymph nodes, leading to significantly enhanced cytokine secretion by polyfunctional CD8+ and CD4+ T cells in multiple tissues, as well as strongly elevated TH1-associated and neutralizing antibody responses, in the absence of systemic toxicity. These results demonstrate that AMP-modification enables lymph node-targeted DNA-adjuvants to potently activate IFN-I-signaling to generate substantial cellular and humoral responses crucial for vaccine efficacy.
  • 🔗 查看原文

6.GSE280856 AMP-dT 对恒河猴淋巴结免疫反应的影响

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:immune、lymph、regex:lymph(o|atic)?
  • 📝 描述:Contributors : Lisa K McNeil ; Peter C DeMuth ; Martin P Steinbuck ; Lochana M SeenappaSeries Type : Expression profiling by arrayOrganism : Macaca fascicularis ; Macaca mulattaAdjuvants are immuno-activators capable of shaping the magnitude and quality of antigen-specific immune responses induced by subunit immunization. Presently, there is an acute need for effective adjuvants that safely induce durable and balanced humoral and cellular responses. Here, we engineered a class of Amphiphile (AMP)-modified, immunostimulatory DNA-adjuvants designed for targeted delivery to lymph nodes and enhanced stimulation of TANK-binding kinase 1 (TBK1)-mediated danger-sensing pathways to generate strong adaptive immunity and long-term memory with potent recall potential. AMP-DNA adjuvants induced robust interferon type-I (IFN-I)-driven inflammatory environments in mouse and non-human primate (NHP) lymph nodes, leading to significantly enhanced cytokine secretion by polyfunctional CD8+ and CD4+ T cells in multiple tissues, as well as strongly elevated TH1-associated and neutralizing antibody responses, in the absence of systemic toxicity. These results demonstrate that AMP-modification enables lymph node-targeted DNA-adjuvants to potently activate IFN-I-signaling to generate substantial cellular and humoral responses crucial for vaccine efficacy.
  • 🔗 查看原文

7.GSE313305 致癌和抑癌力量汇聚于祖细胞调控的微环境,从而塑造早期肿瘤发生 [KPLOH scRNA-seq]

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:tumor、regex:onco(logy|logist|gene|genic)、scRNA
  • 📝 描述:Contributors : José Reyes ; Yu-Jui Ho ; Scott W Lowe ; Dana Pe’erSeries Type : Expression profiling by high throughput sequencingOrganism : Mus musculusThe transition from benign to malignant growth is a pivotal yet poorly understood step in cancer progression that marks the shift from a pathologically inert condition to a clinically lethal disease. Here, we integrate lineage tracing, single-cell and spatial transcriptomics to visualize the molecular, cellular and tissue-level events that promote or restrain malignancy during the tumor initiation in mouse models of pancreatic ductal adenocarcinoma (PDAC). We identify a discrete progenitor-like population of KRAS-mutant cells that co-activates oncogenic and tumor-suppressive programs—including p53, CDKN2A, and SMAD4—engaging senescence-like responses and remodeling their microenvironment, ultimately assembling a niche that mirrors invasive PDAC. Even brief KRAS inhibition in the epithelial compartment depletes progenitor-like cells and dismantles their niche, substantially delaying cancer initiation. Conversely, p53 suppression enables progenitor cell expansion, epithelial–mesenchymal reprogramming, and immune-privileged niche formation. These findings position the progenitor-like state as the convergence point of cancer-driving mutations, plasticity, and tissue remodeling—revealing a critical window for intercepting malignancy at its origin.
  • 🔗 查看原文

8. GSE324779:吉西他滨驱动的肿瘤-基质上清液转移模型中胰腺星状细胞和胰腺癌细胞的转录组分析

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:tumor、cancer
  • 📝 描述:Contributors : Ciarán McDonnell ; Valeriya Zinina ; Amina Othman ; Larissa Launhardt ; Anna Brichkina ; Fatma Aktuna ; Magdalena Brkic ; Matthias Lauth ; Eliana Stanganello ; Mark SchmittSeries Type : Expression profiling by high throughput sequencingOrganism : Mus musculusPancreatic ductal adenocarcinoma (PDAC) is characterized by extensive tumor-stroma interactions that influence disease progression and therapy response. To investigate transcriptional changes associated with chemotherapy-induced tumor-stroma signaling, RNA sequencing was performed in a supernatant transfer system. Murine pancreatic cancer cells (KPC4) were treated with gemcitabine, and supernatants from gemcitabine-treated or vehicle-treated tumor cells were transferred to murine pancreatic stellate cells (PSC4). In a second experiment, supernatants from PSC4 cells previously exposed to tumor cell supernatants were transferred back to pancreatic cancer cells. RNA sequencing was performed to characterize gene expression changes associated with chemotherapy-induced tumor-stroma communication.
  • 🔗 查看原文

9. GSE315734 高海拔去适应性导致 Treg 细胞中 Nrf2 表达上调,从而引起长期免疫抑制 [RNA-seq]

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:immune、RNA-seq
  • 📝 描述:Series Type : Expression profiling by high throughput sequencingOrganism : Mus musculusIntroduction: High-altitude exposure imposes hypoxic, low-pressure, and cold conditions that challenge immune homeostasis. The long-term effects of high-altitude de-acclimatization (HADA) remain poorly understood. Objectives: The purpose of this study is to investigate how HADA affects the immune populations, both quantitatively and functionally, and to dissect the underlying molecular mechanisms involved. Methods: Peripheral blood was collected from both human cohorts and mice models while other immune organs including spleen, thymus and bone marrow were obtained from mice models. Proportions of immune cell populations in peripheral blood and other immune organs were analyzed using flow cytometry. The immune-suppressive functions of Tregs were determined by in vitro co-culture with CD8+ T cells. Transcriptomic and chromatin-accessibility feature induced by HADA were obtained through RNA-seq and ATAC-seq. The functional validation of HADA target gene was performed using specific agonist during in vitro co-culture. Results: HADA perturbed the proportions of immune populations in multiple immune site. Both data from human and mice showed increased regulatory T cells (Tregs) and enhanced immune-suppressive function in the peripheral blood. As a consequence, these Tregs mediated long-term immune suppression, impairing the immunity against tumor cells. Multi-omic analyses predicted Nrf2 as the key mediator of molecular alterations in Tregs caused by HADA, which was further confirmed by the functional assay. Conclusion: High-altitude de-acclimatization mediates the expansion of peripheral Tregs and enhances long-lasting immunosuppressive function of Tregs, increasing the probability of serious health consequences. Nrf2 plays as a key regulator mediating the effects of HADA on Tregs. These findings provide novel insights into altitude-related immune regulation and implications for health management in populations transitioning between high and low altitudes.
  • 🔗 查看原文

10. GSE312789 抑制BIRC5和MCL-1作为克服套细胞淋巴瘤耐药性的潜在治疗策略

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:lymphoma、resistance
  • 📝 描述:Contributor : Amit K MitraSeries Type : Expression profiling by high throughput sequencingOrganism : Homo sapiensMantle cell lymphoma (MCL) is a difficult-to-cure, highly heterogeneous, and aggressive form of non-Hodgkin lymphoma with a high recurrence rate and poor long-term prognosis. Using a novel optimization-regularization-based computational prediction algorithm called “secDrug,” we have identified therapeutic targets for treating resistant cancers. When applied to B-cell malignancies, the secDrug algorithm predicted the pro-survival proteins BIRC5 and MCL1 as top targets. Here, using a panel of MCL cell lines representing PI/BTKi sensitive, innate resistance, and clonally derived acquired resistance, we demonstrated that small molecule-based inhibition of BIRC5 and MCL1 is effective in killing MCL cells as single agents and in combination with Bortezomib or Ibrutinib. Further, using RNAseq (transcriptomics) and funcional genomics, we identified genes and molecular networks associated with their mechanism of action and synergy. Our results underlined the clinical potential of these candidates in curbing MCL progression and drug resistance.
  • 🔗 查看原文

💡 该来源还有 75 条内容,详见 文末

🧪 博客更新 (5条)

详细内容(全部5条)

1. 直接RNA测序提高了RNA修饰的检测率,可用于临床应用。

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:sequencing
  • 📝 描述:RNA sequencing using direct Nanopore methods improves detection of RNA modifications, enabling more accurate transcriptome analysis and supporting clinical…
  • 🔗 查看原文

2. 利用RNA测序和人工智能技术从零开始设计新药

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:sequencing
  • 📝 描述:RNA sequencing combined with deep learning enables prediction of gene expression changes from chemical structures, supporting the design of new therapeutics that reverse disease associated transcriptional signatures…
  • 🔗 查看原文

3. Building in silico patients using RNA sequencing and AI

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:sequencing
  • 📝 描述:RNA sequencing combined with AI enables in silico patient models that integrate tumor data to predict individualized drug responses and improve precision oncology strategies…
  • 🔗 查看原文

4. 猫与人类之间令人惊讶的癌症联系

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:cancer
  • 📝 描述:Scientists have mapped the genetics of cancer in cats for the first time at scale, uncovering major overlaps with human cancers. Key mutations—like those linked to breast cancer—appear in both species, and some human cancer drugs may also work in cats. Because pets share our environments, these similarities could reveal shared causes of cancer. The research could lead to new treatments that benefit both animals and humans.
  • 🔗 查看原文

5. 新药可在肠道手术后保护肝脏并促进营养吸收

  • ✍️ 作者:未知作者
  • 🏷️ 关键词:regex:intestin(e|al)
  • 📝 描述:A risky but often lifesaving surgery that removes damaged parts of the small intestine can leave patients facing a new threat: serious liver damage with no available treatment. Now, scientists have developed a promising compound that works directly in the gut to shield the liver and improve how the body absorbs nutrients. In mouse studies, the drug boosted weight gain, reduced harmful liver scarring, and avoided side effects by staying confined to the intestines.
  • 🔗 查看原文

📊 关键词统计

关键词出现次数
tumor11
cancer11
immune10
epigenetic10
sequencing8
lymphoma8
regex:onco(logylogist
scRNA7
RNA-seq5
inflammation4
metabolic3
single-cell3
metabolism3
immunity3
transcriptome3
leukemia3
spatial3
resistance2
antigen2
ChIP-seq2

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🧬 数据前沿 其他内容 (75条)

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