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JOURNAL ARTICLE
Aline Ignacio, Marcella Cipelli, Tatiane Takiishi, Cristhiane Favero Aguiar, Fernanda Fernandes Terra, Bruno Ghirotto, Eloisa Martins Silva, Angela Castoldi, Yuli Thamires Magalhães, Tiago Antonio, Barbara Nunes Padovani, Meire Ioshie Hiyane, Vinicius Andrade-Oliveira, Fabio Luis Forti, Niels Olsen Saraiva Camara
The Mammalian Target of Rapamycin (mTOR) pathway plays a key role in determining immune cells function through modulation of their metabolic status. By specific deletion of Rictor in CD11c+ myeloid cells (referred to here as CD11cRicΔ/Δ), this study investigated the role of mTOR complex 2 (mTORC2) signalling in dendritic cells (DCs) function in mice. We showed that upon DSS-induced colitis, lack of mTORC2 signalling CD11c+ cells diminishes colitis score, and abrogates dendritic cell (DC) migration to the mesenteric lymph nodes (MLN), thereby diminishing the infiltration of T helper (Th) 17 cells in the lamina propria (LP) and subsequent inflammation...
April 23, 2024: Journal of Leukocyte Biology
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JOURNAL ARTICLE
Yuki Hitomi, Kazuko Ueno, Yoshihiro Aiba, Nao Nishida, Michihiro Kono, Mitsuki Sugihara, Yosuke Kawai, Minae Kawashima, Seik-Soon Khor, Kazuhiro Sugi, Hirotaka Kouno, Hiroshi Kouno, Atsushi Naganuma, Satoru Iwamoto, Shinji Katsushima, Kiyoshi Furuta, Toshiki Nikami, Tomohiko Mannami, Tsutomu Yamashita, Keisuke Ario, Tatsuji Komatsu, Fujio Makita, Masaaki Shimada, Noboru Hirashima, Shiro Yokohama, Hideo Nishimura, Rie Sugimoto, Takuya Komura, Hajime Ota, Motoyuki Kojima, Makoto Nakamuta, Naoyuki Fujimori, Kaname Yoshizawa, Yutaka Mano, Hironao Takahashi, Kana Hirooka, Satoru Tsuruta, Takeaki Sato, Kazumi Yamasaki, Yuki Kugiyama, Yasuhide Motoyoshi, Tomoyuki Suehiro, Akira Saeki, Kosuke Matsumoto, Shinya Nagaoka, Seigo Abiru, Hiroshi Yatsuhashi, Masahiro Ito, Kazuhito Kawata, Akinobu Takaki, Kuniaki Arai, Teruko Arinaga, Masanori Abe, Masaru Harada, Makiko Taniai, Mikio Zeniya, Hiromasa Ohira, Shinji Shimoda, Atsumasa Komori, Atsushi Tanaka, Kazuyoshi Ishigaki, Masao Nagasaki, Katsushi Tokunaga, Minoru Nakamura
BACKGROUND AIMS: Previous genome-wide association studies (GWAS) have indicated the involvement of shared (population-non-specific) and non-shared (population-specific) susceptibility genes in the pathogenesis of primary biliary cholangitis (PBC) among European and East-Asian populations. Although a meta-analysis of these distinct populations has recently identified more than 20 novel PBC susceptibility loci, analyses of population-specific genetic architecture are still needed for a more comprehensive search for genetic factors in PBC...
April 23, 2024: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
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JOURNAL ARTICLE
Charlotte Domblides, Steven Crampton, Hong Liu, Juliet M Bartleson, Annie Nguyen, Claudia Champagne, Emily E Landy, Lindsey Spiker, Christopher Proffitt, Sunil Bhattarai, Anissa P Grawe, Matias Fuentealba Valenzuela, Lydia Lartigue, Isabelle Mahouche, Jeremy Dupaul-Chicoine, Kazuho Nishimura, Félix Lefort, Marie Decraecker, Valérie Velasco, Sonia Netzer, Vincent Pitard, Christian Roy, Isabelle Soubeyran, Victor Racine, Patrick Blanco, Julie Déchanet-Merville, Maya Saleh, Scott W Canna, David Furman, Benjamin Faustin
The immune system can control cancer progression. However, even though some innate immune sensors of cellular stress are expressed intrinsically in epithelial cells, their potential role in cancer aggressiveness and subsequent overall survival in humans is mainly unknown. Here, we show that NLR family CARD Domain Containing 4 (NLRC4) is downregulated in epithelial tumor cells of colorectal cancer (CRC) patients by using spatial tissue imaging. Strikingly, only the loss of tumor NLRC4 but not stromal is associated with poor immune infiltration (mainly dendritic and CD4+/CD8+ T cells) and accurately predicts progression to metastatic Stage IV and decrease of overall survival...
April 23, 2024: Journal of Clinical Investigation
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JOURNAL ARTICLE
Song-Bin Guo, Le-Sheng Hu, Wei-Juan Huang, Zhen-Zhong Zhou, Hui-Yan Luo, Xiao-Peng Tian
BACKGROUND: Neoadjuvant and adjuvant immunotherapies for cancer have evolved through a series of remarkable and critical research advances; however, addressing their similarities and differences is imperative in clinical practice. Therefore, this study aimed to examine their similarities and differences from the perspective of informatics analysis. METHODS: This cross-sectional study retrospectively analyzed extensive relevant studies published between 2014 and 2023 using stringent search criteria, excluding non-peer-reviewed and non-English documents...
April 23, 2024: International Journal of Surgery
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JOURNAL ARTICLE
Saeid Iranzadeh, Davood Dalil, Soroush Kohansal, Mahdi Isakhani
OBJECTIVES: Breast cancer is a prevalent disease that has a substantial impact on women's mortality rates. Shikonin, a naphthoquinone derived from Lithospermum erythrorhizon, has demonstrated substantial anticancer effects. This study aims to conduct a comprehensive review of the latest research findings regarding the therapeutic efficacy of shikonin in the context of breast cancer treatment, with a specific emphasis on elucidating the underlying molecular mechanisms. METHODS: A comprehensive literature review was conducted on shikonin and breast cancer by searching PubMed, Scopus, Web of Science, and Google Scholar databases...
April 23, 2024: Journal of Pharmacy and Pharmacology
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JOURNAL ARTICLE
Yulin Zhang, Yongkang Wang, Cunxin Wang, Wenbin Li, Xiao Liu, Congcong Li, Linyan Su, Xiting Zhu, Beibei Yang, Hongbin Lu, Yao Liu, Duan Bin
The Zn dendrite and hydrogen evolution reaction have been a "stubborn illness" for the life span of zinc anodes, which significantly hinders the development of aqueous zinc batteries (AZBs). Herein, considering the ingenious molecular structure, a multifunctional additive based on the synergistic regulation of cations and anions at the interface is designed to promote a dendrite-free and stable Zn anode. Theoretical calculations and characterization results verified that the electrostatic shield effect of the cation, the solvation sheath structure, and the bilayer structural solid electrolyte film (SEI) jointly account for the uniform Zn deposition and side reaction suppression...
April 23, 2024: Journal of Physical Chemistry Letters
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JOURNAL ARTICLE
Joost M Lambooij, Tamar Tak, Arnaud Zaldumbide, Bruno Guigas
Obesity-induced chronic low-grade inflammation, also known as metaflammation, results from alterations of the immune response in metabolic organs and contributes to the development of fatty liver diseases and type 2 diabetes. The diversity of tissue-resident leukocytes involved in these metabolic dysfunctions warrants an in-depth immunophenotyping in order to elucidate disease etiology. Here, we present a 30-color, full spectrum flow cytometry panel, designed to (i) identify the major innate and adaptive immune cell subsets in murine liver and white adipose tissues and (ii) discriminate various tissue-specific myeloid subsets known to contribute to the development of metabolic dysfunctions...
April 23, 2024: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
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JOURNAL ARTICLE
Qingrong Wang, Hongli Xu, Zhongbo Liu, Shang-Sen Chi, Jian Chang, Jun Wang, Chaoyang Wang, Yonghong Deng
Herein, we present the preparation and properties of an ultrathin, mechanically robust, quasi-solid composite electrolyte (SEO-QSCE) for solid-state lithium metal battery (SLB) from a well-defined polystyrene- b -poly(ethylene oxide) diblock copolymer (SEO), Li6.75 La3 Zr1.75 Ta0.25 O12 nanofiller, and fluoroethylene carbonate plasticizer. Compared with the ordered lamellar microphase separation of SEO, the SEO-QSCE displays bicontinuous phases, consisting of a Li+ ion conductive poly(ethylene oxide) domain and a mechanically robust framework of the polystyrene domain...
April 23, 2024: ACS Applied Materials & Interfaces
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JOURNAL ARTICLE
Kazuo Sakka, Masaki Kihira, Wataru Kuhara, Akihiro Mochida, Satoru Ogawa, Tetsuya Kimura, Makiko Sakka
Brevibacillus thermoruber strain Nabari cells grow as widely spreading dendritic colonies on reasoner's 2A-agar (1.5%) plates at around 55°C but as small motile colonies at 37°C. Motile colonies can be divided into colonies that move in straight or curved lines over long distances (wandering colonies), and colonies that rotate at a fixed location (rotating colonies). The addition of surfactant to the agar medium greatly increased the frequency of wandering colonies and facilitated the study of such colonies...
April 23, 2024: Journal of Basic Microbiology
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JOURNAL ARTICLE
Karsten Beckmann, Carmen Reitinger, Xianglei Yan, Anna Carle, Eva Blümle, Nicole Jurkschat, Claudia Paulmann, Sandra Prassl, Linda V Kazandjian, Karin Loré, Falk Nimmerjahn, Stephan Fischer
The activation of CD40-mediated signaling in antigen-presenting cells is a promising therapeutic strategy to promote immune responses against tumors. Most agonistic anti-CD40 antibodies currently in development require the Fcγ-receptor (FcγR)-mediated crosslinking of CD40 molecules for a meaningful activation of CD40 signaling but have limitations due to dose-limiting toxicities. Here we describe the identification of CD40 antibodies which strongly stimulate antigen-presenting cells in an entirely FcγR-independent manner...
April 18, 2024: Antibodies
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JOURNAL ARTICLE
Valeria Cuccarini, Filippo Savoldi, Yael Mardor, David Last, Serena Pellegatta, Federica Mazzi, Maria Grazia Bruzzone, Elena Anghileri, Bianca Pollo, Luisa Maddaloni, Camilla Russo, Elisa Bocchi, Valentina Pinzi, Marica Eoli, Domenico Aquino
INTRODUCTION: Assessing the treatment response of glioblastoma multiforme during immunotherapy (IT) is an open issue. Treatment response assessment maps (TRAMs) might help distinguish true tumor progression (TTP) and pseudoprogression (PsP) in this setting. METHODS: We recruited 16 naïve glioblastoma patients enrolled in a phase II trial consisting of the Stupp protocol (a standardized treatment for glioblastoma involving combined radiotherapy and chemotherapy with temozolomide, followed by adjuvant temozolomide) plus IT with dendritic cells...
2024: Frontiers in Neurology
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REVIEW
Antonio T Pinto, Veronika Lukacs-Kornek
Dendritic cells (DCs) are major antigen-presenting cells that connect innate and adaptive immunity. Hepatic DCs are less activated and contribute to maintain the tolerogenic environment of the liver under steady state. Several studies indicated DCs in metabolic dysfunction-associated steatohepatitis (MASH), representing a substantial burden on healthcare systems due to its association with liver-related morbidity and mortality. Studies highlighted the potential disease-promoting role of liver DCs in the development of MASH while other experimental systems suggested their protective role...
2024: Frontiers in Immunology
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REVIEW
Leonard Knoedler, Jillian Dean, Fortunay Diatta, Noelle Thompson, Samuel Knoedler, Richmond Rhys, Khalil Sherwani, Tobias Ettl, Simon Mayer, Florian Falkner, Katja Kilian, Adriana C Panayi, Jasper Iske, Ali-Farid Safi, Stefan G Tullius, Siba Haykal, Bohdan Pomahac, Martin Kauke-Navarro
Balancing the immune response after solid organ transplantation (SOT) and vascularized composite allotransplantation (VCA) remains an ongoing clinical challenge. While immunosuppressants can effectively reduce acute rejection rates following transplant surgery, some patients still experience recurrent acute rejection episodes, which in turn may progress to chronic rejection. Furthermore, these immunosuppressive regimens are associated with an increased risk of malignancies and metabolic disorders. Despite significant advancements in the field, these IS related side effects persist as clinical hurdles, emphasizing the need for innovative therapeutic strategies to improve transplant survival and longevity...
2024: Frontiers in Immunology
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JOURNAL ARTICLE
Kehan Long, Ao Gong, Dou Yu, Sumiao Dong, Zhendong Ying, Lei Zhang
BACKGROUND: Osteomyelitis is a severe bone marrow infection, whose pathogenesis is not yet fully understood. This study aims to explore the causal relationship between immune cell characteristics and osteomyelitis, hoping to provide new insights for the prevention and treatment of osteomyelitis. METHODS: Based on two independent samples, this study employed a two-sample Mendelian randomization (MR) analysis to assess the causal relationship between 731 immune cell characteristics (divided into seven groups) and osteomyelitis...
2024: Frontiers in Genetics
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JOURNAL ARTICLE
Andreas Burkhalter, Weiqing Ji, Andrew M Meier, Rinaldo D D'Souza
Interactions between feedback connections from higher cortical areas and local horizontal connections within primary visual cortex (V1) were shown to play a role in contextual processing in different behavioral states. Layer 1 (L1) is an important part of the underlying network. This cell-sparse layer is a target of feedback and local inputs, and nexus for contacts onto apical dendrites of projection neurons in the layers below. Importantly, L1 is a site for coupling inputs from the outside world with internal information...
2024: Frontiers in Neuroanatomy
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JOURNAL ARTICLE
Hui Chen, Xiangna Guan, Chi He, Tingting Lu, Xingyu Lin, Xuebin Liao
INTRODUCTION: Hematopoietic progenitor kinase 1 (HPK1), a 97-kDa serine/threonine Ste20-related protein kinase, functions as an intracellular negative regulator, primarily in hematopoietic lineage cells, where it regulates T cells, B cells, dendritic cells and other immune cells. Loss of HPK1 kinase activity results in exacerbated cytokine secretion, enhanced T cell signaling, improved viral clearance, and thus increased restraint of tumor growth. These findings highlight HPK1 as a promising target for immuno-oncology treatments, culminating in the advancement of candidate compounds targeting HPK1 to clinical trials by several biotech enterprises...
April 22, 2024: Expert Opinion on Therapeutic Targets
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JOURNAL ARTICLE
Nilanjan Ganguly, Tapasi Das, Avishek Bhuniya, Ipsita Guha, Mohona Chakravarti, Sukanya Dhar, Anirban Sarkar, Saurav Bera, Jesmita Dhar, Shayani Dasgupta, Akata Saha, Tithi Ghosh, Juhina Das, Ugir Hossain Sk, Saptak Banerjee, Subrata Laskar, Anamika Bose, Rathindranath Baral
BACKGROUND: A water-soluble ingredient of mature leaves of the tropical mahogany 'Neem' (Azadirachta indica), was identified as glycoprotein, thus being named as 'Neem Leaf Glycoprotein' (NLGP). This non-toxic leaf-component regressed cancerous murine tumors (melanoma, carcinoma, sarcoma) recurrently in different experimental circumstances by boosting prime antitumor immune attributes. Such antitumor immunomodulation, aid cytotoxic T cell (Tc )-based annihilation of tumor cells. This study focused on identifying and characterizing the signaling gateway that initiate this systemic immunomodulation...
April 23, 2024: Cell Communication and Signaling: CCS
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JOURNAL ARTICLE
Myungjin Kim, Jun Yong Kim, Won-Kyu Rhim, Gloria Cimaglia, Andrew Want, James E Morgan, Pete A Williams, Chun Gwon Park, Dong Keun Han, Seungsoo Rho
The progressive and irreversible degeneration of retinal ganglion cells (RGCs) and their axons is the major characteristic of glaucoma, a leading cause of irreversible blindness worldwide. Nicotinamide adenine dinucleotide (NAD) is a cofactor and metabolite of redox reaction critical for neuronal survival. Supplementation with nicotinamide (NAM), a precursor of NAD, can confer neuroprotective effects against glaucomatous damage caused by an age-related decline of NAD or mitochondrial dysfunction, reflecting the high metabolic activity of RGCs...
April 22, 2024: Acta Neuropathologica Communications
#19
JOURNAL ARTICLE
Rashidul Islam, Jannis Heyer, Miriam Figura, Xiaoyan Wang, Xichen Nie, Benedict Nathaniel, Sivanjah Indumathy, Katja Hartmann, Christiane Pleuger, Monika Fijak, Sabine Kliesch, Florian Dittmar, Adrian Pilatz, Florian Wagenlehner, Mark Hedger, Bruce Loveland, James H Hotaling, Jingtao Guo, Kate L Loveland, Hans-Christian Schuppe, Daniela Fietz
BACKGROUND: Immune cell infiltration is heterogeneous but common in testicular germ cell tumors (TGCT) and pre-invasive germ cell neoplasia in situ (GCNIS). Tumor-infiltrating T cells including regulatory T (Treg) and follicular helper T (Tfh) cells are found in other cancer entities, but their contributions to TGCT are unknown. METHODS: Human testis specimens from independent patient cohorts were analyzed using immunohistochemistry, flow cytometry and single-cell RNA sequencing (scRNA-seq) with special emphasis on delineating T cell subtypes...
April 22, 2024: British Journal of Cancer
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JOURNAL ARTICLE
Thomas J Waller, Laura J Smithson, Catherine A Collins
A fundamental feature of nervous systems is a highly specified synaptic connectivity between cells and the ability to adaptively change this connectivity through plasticity mechanisms. Plasticity mechanisms are highly relevant for responding to nervous system damage, and studies using nervous system injury paradigms in Drosophila (as well as other model organisms) have revealed conserved molecular pathways that are triggered by axon damage. Simple assays that introduce injuries to axons in either adult flies or larvae have proven to be particularly powerful for uncovering mechanisms of axonal degeneration and clearance...
April 22, 2024: Cold Spring Harbor Protocols
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