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Lund SJ, Del Rosario PGB, Honda A, Caoili KJ, Hoeksema MA, Nizet V, Patras KA, Prince LS. Sialic Acid-Siglec-E Interactions Regulate the Response of Neonatal Macrophages to Group B Streptococcus. Immunohorizons 2024; 8:384-396. [PMID: 38809232 PMCID: PMC11150127 DOI: 10.4049/immunohorizons.2300076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 04/24/2024] [Indexed: 05/30/2024] Open
Abstract
The mammalian Siglec receptor sialoadhesin (Siglec1, CD169) confers innate immunity against the encapsulated pathogen group B Streptococcus (GBS). Newborn lung macrophages have lower expression levels of sialoadhesin at birth compared with the postnatal period, increasing their susceptibility to GBS infection. In this study, we investigate the mechanisms regulating sialoadhesin expression in the newborn mouse lung. In both neonatal and adult mice, GBS lung infection reduced Siglec1 expression, potentially delaying acquisition of immunity in neonates. Suppression of Siglec1 expression required interactions between sialic acid on the GBS capsule and the inhibitory host receptor Siglec-E. The Siglec1 gene contains multiple STAT binding motifs, which could regulate expression of sialoadhesin downstream of innate immune signals. Although GBS infection reduced STAT1 expression in the lungs of wild-type newborn mice, we observed increased numbers of STAT1+ cells in Siglece-/- lungs. To test if innate immune activation could increase sialoadhesin at birth, we first demonstrated that treatment of neonatal lung macrophages ex vivo with inflammatory activators increased sialoadhesin expression. However, overcoming the low sialoadhesin expression at birth using in vivo prenatal exposures or treatments with inflammatory stimuli were not successful. The suppression of sialoadhesin expression by GBS-Siglec-E engagement may therefore contribute to disease pathogenesis in newborns and represent a challenging but potentially appealing therapeutic opportunity to augment immunity at birth.
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MESH Headings
- Animals
- Mice
- Streptococcus agalactiae/immunology
- Animals, Newborn
- N-Acetylneuraminic Acid/metabolism
- Sialic Acid Binding Ig-like Lectin 1/metabolism
- Streptococcal Infections/immunology
- Streptococcal Infections/microbiology
- STAT1 Transcription Factor/metabolism
- STAT1 Transcription Factor/genetics
- Mice, Knockout
- Immunity, Innate
- Mice, Inbred C57BL
- Lung/immunology
- Lung/microbiology
- Lung/metabolism
- Macrophages, Alveolar/immunology
- Macrophages, Alveolar/metabolism
- Female
- Macrophages/immunology
- Macrophages/metabolism
- Lectins/metabolism
- Lectins/genetics
- Sialic Acid Binding Immunoglobulin-like Lectins/metabolism
- Sialic Acid Binding Immunoglobulin-like Lectins/genetics
- Antigens, CD/metabolism
- Antigens, CD/genetics
- Antigens, Differentiation, B-Lymphocyte
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Affiliation(s)
- Sean J. Lund
- Department of Pediatrics, University of California, San Diego, La Jolla, CA
| | - Pamela G. B. Del Rosario
- Department of Pediatrics, University of California, San Diego, La Jolla, CA
- Rady Children’s Hospital, San Diego, CA
| | - Asami Honda
- Department of Pediatrics, University of California, San Diego, La Jolla, CA
| | | | - Marten A. Hoeksema
- Department of Medical Biochemistry, Amsterdam University Medical Center, Amsterdam Zuidoost, the Netherlands
| | - Victor Nizet
- Department of Pediatrics, University of California, San Diego, La Jolla, CA
| | - Kathryn A. Patras
- Department of Molecular Virology and Microbiology, Alkek Center for Metagenomics and Microbiome Research, Baylor College of Medicine, Houston, TX
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Qin D, Chen Z, Deng X, Liu X, Peng L, Li G, Liu Y, Zhu X, Ding Q, Zhang X, Bao S. CD24+ decidual stromal cells: a novel heterogeneous population with impaired regulatory T cell induction and potential association with recurrent miscarriage. Fertil Steril 2024; 121:519-530. [PMID: 38036240 DOI: 10.1016/j.fertnstert.2023.11.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 11/21/2023] [Accepted: 11/21/2023] [Indexed: 12/02/2023]
Abstract
OBJECTIVE To explore the heterogeneity of CD24+ decidual stromal cells (DSCs) in patients with recurrent miscarriages (RMs). DESIGN We have discerned that the expression of CD24 serves to differentiate two stable and functionally distinct lineages of DSCs. The heterogeneity of CD24+ DSCs has been scrutinized, encompassing variances in stromal markers, transcriptional profiles, metabolic activity, and immune regulation. SETTING Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University; Shanghai Institute of Immunity and Infection, Chinese Academy of Science. PATIENTS A total of 129 early decidual samples were obtained, comprising 36 from healthy donors and 93 from patients with RMs. Blood samples were collected before the surgical procedure. Paraffin-embedded segments from 20 decidual samples of patients with RMs were obtained. INTERVENTIONS None. MAIN OUTCOME MEASURES The flow cytometry was used to quantify the expression of CD24+ DSCs in both healthy donors and patients with RMs, although it also evaluated the cellular heterogeneity. To ascertain the transcriptomic profiles of CD24+ DSCs by reanalyzing our single-cell transcriptomic data. Additionally, to measure the metabolomic activity of CD24+ DSCs from patients with RMs, ultraperformance liquid chromatography-mass spectrometry was employed. Through the implementation of a coculture system, we unraveled the role of CD24+ DSCs in immune regulation. RESULTS Patients with RMs exhibit a notable enrichment of CD24+ DSCs, revealing a pronounced heterogeneity characterized by variations in stromal markers and transcriptional profiles. The heightened enrichment of CD24+ DSCs may play a pivotal role in triggering decidual inflammation and dysfunction in decidualization. Furthermore, CD24+ DSCs showed diverse metabolic activities and impeded the induction of naïve CD4+ T cells into regulatory T cells through the abundant secretion of 3-hydroxyisovaleric acid. Finally, our investigations have revealed that intraperitoneal administration of 3-hydroxyisovaleric acid in mouse models can elevate the risk of RM. CONCLUSION We have successfully identified a disease-associated subset of CD24+ decidual stromal cells that could potentially contribute to the development of RM through the impairment of decidual immune tolerance. Targeting these specific CD24+ DSCs might hold promising prospects for therapeutic interventions in the clinical management of RM.
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Affiliation(s)
- Dengke Qin
- Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China; Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Zechuan Chen
- Shanghai Institute of Immunity and Infection, Chinese Academy of Science, Shanghai, People's Republic of China
| | - Xujing Deng
- Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China; Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Xiaoshan Liu
- Shanghai Institute of Immunity and Infection, Chinese Academy of Science, Shanghai, People's Republic of China; Pasteurien College, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, People's Republic of China
| | - Liying Peng
- Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China; Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Guohua Li
- Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China; Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Yuan Liu
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Xiuxian Zhu
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Qiuhong Ding
- Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China; Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
| | - Xiaoming Zhang
- Shanghai Institute of Immunity and Infection, Chinese Academy of Science, Shanghai, People's Republic of China
| | - Shihua Bao
- Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China; Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China.
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Raschia MA, Maizon DO, Amadio AF, Nani JP, Poli MA. Quantitative trait loci exploration and characterization of gestation length in Holstein cattle. Theriogenology 2024; 215:43-49. [PMID: 38006854 DOI: 10.1016/j.theriogenology.2023.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 11/07/2023] [Accepted: 11/10/2023] [Indexed: 11/27/2023]
Abstract
Gestation length (GL) is a moderately heritable trait in cattle with economic and management implications. This study aimed to characterize the gestation length of an Argentinian Holstein cattle population, understand contributing factors, and explore the GL effect on production performance. Further objectives were to estimate direct and maternal heritabilities for this trait and to identify genomic regions affecting it. Data consisted of GL records from 45,738 births corresponding to 17,004 Holstein cows and heifers. The effects of age and calving season over GL were analyzed using a Student's t-test for homoscedastic samples. The effects of the GL category (GL shorter than 1.5 SD, within ±1.5 SD, and longer than 1.5 SD from the mean) on production performance were studied by analysis of variance. A single-step genome-wide association study was performed using the BLUPF90 suite of programs with genotypes from 654 Holstein animals on 40,339 SNP. The results showed that the younger the age at calving, the shorter the GL. Moreover, gestations ending in warmer seasons were, in general, statistically shorter than those ending in colder seasons for both heifers and cows. Regarding the effect of GL on production performance, cows with gestation periods within ±1.5 SD from the population mean exhibited the highest 305-day cumulative milk, fat, and protein productions. Direct and maternal heritabilities for GL were 0.42 and 0.03, respectively. We detected a SNP suggestively associated with direct gestation length at 57.7 Mb on Bos taurus autosome 18, a locus included in a region described in the literature as associated with the trait. The information obtained on the environmental and genetic factors affecting GL in Argentinian Holstein cows contributes to characterizing the population in pursuit of improving the performance of national dairy cattle breeding systems.
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Affiliation(s)
- M A Raschia
- Instituto Nacional de Tecnología Agropecuaria, CICVyA-CNIA, Instituto de Genética "Ewald A. Favret", Nicolás Repetto y de Los Reseros s/n, Hurlingham, (B1686), Buenos Aires, Argentina.
| | - D O Maizon
- Instituto Nacional de Tecnología Agropecuaria, E.E.A. Anguil, Ruta 5 Km 580, Anguil, (6326), La Pampa, Argentina
| | - A F Amadio
- Instituto Nacional de Tecnología Agropecuaria, E.E.A. Rafaela, Ruta 34 Km 227, Rafaela, (S2300), Santa Fe, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina
| | - J P Nani
- ABS Global, 1525 River Rd, DeForest, WI, 53532, United States
| | - M A Poli
- Instituto Nacional de Tecnología Agropecuaria, CICVyA-CNIA, Instituto de Genética "Ewald A. Favret", Nicolás Repetto y de Los Reseros s/n, Hurlingham, (B1686), Buenos Aires, Argentina; Universidad del Salvador, Facultad de Ciencias Agrarias y Veterinaria, Champagnat 1599, B1630AHU Pilar, Campus del Pilar, Argentina
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Zheng Q, Du X, Zhang J, Liu Y, Dong W, Dai X, Gu D. Delivery of SIRT1 by cancer-associated adipocyte-derived extracellular vesicles regulates immune response and tumorigenesis of ovarian cancer cells. Clin Transl Oncol 2024; 26:190-203. [PMID: 37311988 DOI: 10.1007/s12094-023-03240-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 05/29/2023] [Indexed: 06/15/2023]
Abstract
PURPOSE This study intends to investigate the possible molecular mechanism of immune response and tumorigenesis in ovarian cancer cells, mediated by sirtuin 1 (SIRT1)-containing extracellular vesicles (EVs) derived from cancer-associated adipocytes (CAAs) (CAA-EVs). METHODS Differentially expressed genes in EVs from CAAs were screened by RNA transcriptome sequencing, and the downstream pathway was predicted in silico. The binding between SIRT1 and CD24 was investigated by luciferase activity and ChIP-PCR assays. EVs were extracted from human ovarian cancer tissue-isolated CAAs, and the internalization of CCA-EVs by ovarian cancer cells was characterized. The ovarian cancer cell line was injected into mice to establish an animal model. Flow cytometry was performed to analyze the proportions of M1 and M2 macrophages, CD8+ T, T-reg, and CD4+ T cells. TUNEL staining was used to detect cell apoptosis in the mouse tumor tissues. ELISA detection was performed on immune-related factors in the serum of mice. RESULTS CAA-EVs could deliver SIRT1 to ovarian cancer cells, thereby affecting the immune response of ovarian cancer cells in vitro and promoting tumorigenesis in vivo. SIRT1 could transcriptionally activate the expression of CD24, and CD24 could up-regulate Siglec-10 expression. CAA-EVs-SIRT1 activated the CD24/Siglec-10 axis and promoted CD8+ T cell apoptosis, thereby promoting tumorigenesis in mice. CONCLUSION CAA-EVs-mediated transfer of SIRT1 regulates the CD24/Siglec-10 axis to curb immune response and promote tumorigenesis of ovarian cancer cells.
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Affiliation(s)
- Qingling Zheng
- Department of Obstetrics and Gynecology, School of Medicine, Huzhou University, Huzhou, 313000, Zhejiang Province, China
| | - Xiuluan Du
- Department of Pathology, Suzhou Science & Technology Town Hospital, Huqiu District, No. 1, Lijiang Road, Suzhou, 215153, Jiangsu Province, China
| | - Jin Zhang
- Department of Pathology, Suzhou Science & Technology Town Hospital, Huqiu District, No. 1, Lijiang Road, Suzhou, 215153, Jiangsu Province, China
| | - Yanxiang Liu
- Department of Pathology, Suzhou Science & Technology Town Hospital, Huqiu District, No. 1, Lijiang Road, Suzhou, 215153, Jiangsu Province, China
| | - Weijia Dong
- Department of Pathology, School of Medicine, Huzhou University, Huzhou, 313000, Zhejiang Province, China
| | - Xin Dai
- Department of Pathology, Suzhou Science & Technology Town Hospital, Huqiu District, No. 1, Lijiang Road, Suzhou, 215153, Jiangsu Province, China
| | - Donghua Gu
- Department of Pathology, Suzhou Science & Technology Town Hospital, Huqiu District, No. 1, Lijiang Road, Suzhou, 215153, Jiangsu Province, China.
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Yang Y, Zhu G, Yang L, Yang Y. Targeting CD24 as a novel immunotherapy for solid cancers. Cell Commun Signal 2023; 21:312. [PMID: 37919766 PMCID: PMC10623753 DOI: 10.1186/s12964-023-01315-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 09/13/2023] [Indexed: 11/04/2023] Open
Abstract
Cluster of differentiation 24 (CD24), a mucin-like highly glycosylated molecule has been extensively studied as a cancer stem cell marker in a variety of solid cancers. The functional role of CD24 is either fulfilled by combining with ligands or participating in signal transduction, which mediate the initiation and progression of neoplasms. Recently, CD24 was also described as an innate immune checkpoint with apparent significance in several types of solid cancers. Herein, we review the current understanding of the molecular fundamentals of CD24, the role of CD24 in tumorigenesis and cancer progression, the possibility as a promising therapeutic target and summarized different therapeutic agents or strategies targeting CD24 in solid cancers. Video Abstract.
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Affiliation(s)
- Yan Yang
- Xinxiang Engineering Technology Research Center of Tumor-Targeted Drug Development, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453000, Henan, China
| | - Guangming Zhu
- Clinical Laboratory, The First People's Hospital of Taian, Taian 271000, Shandong, China
| | - Li Yang
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou Key Laboratory of Endometrial Disease Prevention and Treatment Zhengzhou China, Zhengzhou, 450052, Henan, China
| | - Yun Yang
- Xinxiang Engineering Technology Research Center of Tumor-Targeted Drug Development, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453000, Henan, China.
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Lin H, Gao L, Huang Y. High Expression and Significance of Siglec10/CD24 in Unexplained Missed Abortion. Immunol Invest 2023; 52:997-1007. [PMID: 37933581 DOI: 10.1080/08820139.2023.2279653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
OBJECTIVE To investigate the expression of Siglec10 and CD24 in normal early pregnancy and missed abortion, and their significance in the maternal-fetal interface. METHODS For our research, we employed Q-PCR and WB techniques to evaluate the traits and expression of Siglec10 and CD24 in the nonpregnant endometrium, as well as in the villus and decidua of women in their 6-10 weeks of normal early pregnancy and those who experienced missed abortion. Additionally, we utilized ELISA to determine the levels of Siglec10 and CD24 in the peripheral blood of pregnancy, missed abortion, and non-pregnant individuals. T-test and ANOVA were used to compare groups. RESULTS 1. Villous tissues in early pregnancy showed high expression of Siglec10 and CD24, with a significant increase in expression in the missed abortion group (P < 0.01).2. Nonpregnant endometrial tissue showed low expression of Siglec10 and CD24, while early pregnancy decidua showed high expression, with even higher expression in missed abortion (all P < 0.05).3. Serum levels of Siglec10 and CD24 in normal early pregnancy were significantly higher than non-pregnancy (P < 0.01). However, the missed abortion group showed significantly higher levels than normal pregnancy (P < 0.01).4. CD24 expression in serum of missed abortion increases with Siglec10 expression, indicating a significant positive correlation (r = 0.500, P < 0.01). CONCLUSION Siglec10 and CD24 expression in villus, decidua, and peripheral blood are up-regulated in unexplained missed abortions than those of women with normal pregnancies. This suggests that the levels of serum Siglec10 and CD24 can be used as an effective predictor of missed abortion.
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Affiliation(s)
- Hui Lin
- Department of Obstetrics and Gynecology, Qingdao Women and Children's Hospital, Shandong University, Qingdao, Shandong, P.R. China
| | - Lei Gao
- Department of Reproduction, Qingdao Women and Children's Hospital, Qingdao, Shandong, P.R. China
| | - Yu Huang
- Department of Obstetrics and Gynecology, Qingdao Women and Children's Hospital, Shandong University, Qingdao, Shandong, P.R. China
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Hours CM, Gil S, Gressens P. Molecular and Cellular Insights: A Focus on Glycans and the HNK1 Epitope in Autism Spectrum Disorder. Int J Mol Sci 2023; 24:15139. [PMID: 37894820 PMCID: PMC10606426 DOI: 10.3390/ijms242015139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/08/2023] [Accepted: 10/11/2023] [Indexed: 10/29/2023] Open
Abstract
Autism Spectrum Disorder (ASD) is a synaptic disorder with a GABA/glutamate imbalance in the perineuronal nets and structural abnormalities such as increased dendritic spines and decreased long distance connections. Specific pregnancy disorders significantly increase the risk for an ASD phenotype such as preeclampsia, preterm birth, hypoxia phenomena, and spontaneous miscarriages. They are associated with defects in the glycosylation-immune placental processes implicated in neurogenesis. Some glycans epitopes expressed in the placenta, and specifically in the extra-villous trophoblast also have predominant functions in dendritic process and synapse function. Among these, the most important are CD57 or HNK1, CD22, CD24, CD33 and CD45. They modulate the innate immune cells at the maternal-fetal interface and they promote foeto-maternal tolerance. There are many glycan-based pathways of immunosuppression. N-glycosylation pathway dysregulation has been found to be associated with autoimmune-like phenotypes and maternal-autoantibody-related (MAR) autism have been found to be associated with central, systemic and peripheric autoimmune processes. Essential molecular pathways associated with the glycan-epitopes expression have been found to be specifically dysregulated in ASD, notably the Slit/Robo, Wnt, and mTOR/RAGE signaling pathways. These modifications have important effects on major transcriptional pathways with important genetic expression consequences. These modifications lead to defects in neuronal progenitors and in the nervous system's implementation specifically, with further molecular defects in the GABA/glutamate system. Glycosylation placental processes are crucial effectors for proper maternofetal immunity and endocrine/paracrine pathways formation. Glycans/ galectins expression regulate immunity and neurulation processes with a direct link with gene expression. These need to be clearly elucidated in ASD pathophysiology.
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Affiliation(s)
- Camille M Hours
- INSERM 1141, NeuroDiderot, Neuroprotection of the Developing Brain, Université Paris Cité, 75019 Paris, France
- Service de Psychiatrie de l'Enfant et de l'Adolescent, APHP, Hôpital Robert Debré, 75019 Paris, France
| | - Sophie Gil
- INSERM 1144, Therapeutics in Neuropsychopharmacology, Université Paris Cité, 75019 Paris, France
| | - Pierre Gressens
- INSERM 1141, NeuroDiderot, Neuroprotection of the Developing Brain, Université Paris Cité, 75019 Paris, France
- Neurologie Pédiatrique, APHP, Hôpital Robert Debré, 75019 Paris, France
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Khalaji A, Yancheshmeh FB, Farham F, Khorram A, Sheshbolouki S, Zokaei M, Vatankhah F, Soleymani-Goloujeh M. Don't eat me/eat me signals as a novel strategy in cancer immunotherapy. Heliyon 2023; 9:e20507. [PMID: 37822610 PMCID: PMC10562801 DOI: 10.1016/j.heliyon.2023.e20507] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 09/04/2023] [Accepted: 09/27/2023] [Indexed: 10/13/2023] Open
Abstract
Cancer stands as one of the prominent global causes of death, with its incidence burden continuously increasing, leading to a substantial rise in mortality rates. Cancer treatment has seen the development of various strategies, each carrying its drawbacks that can negatively impact the quality of life for cancer patients. The challenge remains significant within the medical field to establish a definitive cancer treatment that minimizes complications and limitations. In the forthcoming years, exploring new strategies to surmount the failures in cancer treatment appears to be an unavoidable pursuit. Among these strategies, immunology-based ones hold substantial promise in combatting cancer and immune-related disorders. A particular subset of this approach identifies "eat me" and "Don't eat me" signals in cancer cells, contrasting them with their counterparts in non-cancerous cells. This distinction could potentially mark a significant breakthrough in treating diverse cancers. By delving into signal transduction and engineering novel technologies that utilize distinct "eat me" and "Don't eat me" signals, a valuable avenue may emerge for advancing cancer treatment methodologies. Macrophages, functioning as vital components of the immune system, regulate metabolic equilibrium, manage inflammatory disorders, oversee fibrosis, and aid in the repair of injuries. However, in the context of tumor cells, the overexpression of "Don't eat me" signals like CD47, PD-L1, and beta-2 microglobulin (B2M), an anti-phagocytic subunit of the primary histocompatibility complex class I, enables these cells to evade macrophages and proliferate uncontrollably. Conversely, the presentation of an "eat me" signal, such as Phosphatidylserine (PS), along with alterations in charge and glycosylation patterns on the cellular surface, modifications in intercellular adhesion molecule-1 (ICAM-1) epitopes, and the exposure of Calreticulin and PS on the outer layer of the plasma membrane represent universally observed changes on the surface of apoptotic cells, preventing phagocytosis from causing harm to adjacent non-tumoral cells. The current review provides insight into how signaling pathways and immune cells either stimulate or obstruct these signals, aiming to address challenges that may arise in future immunotherapy research. A potential solution lies in combination therapies targeting the "eat me" and "Don't eat me" signals in conjunction with other targeted therapeutic approaches. This innovative strategy holds promise as a novel avenue for the future treatment of cancer.
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Affiliation(s)
- Amirreza Khalaji
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatereh Baharlouei Yancheshmeh
- Cardiac Rehabilitation Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fatemeh Farham
- Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Arya Khorram
- Department of Laboratory Sciences, School of Allied Medical Sciences, Alborz University of Medical Sciences, Karaj, Iran
| | - Shiva Sheshbolouki
- Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Maryam Zokaei
- Department of Food Science and Technology, Faculty of Nutrition Science, Food Science and Technology/National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Veterinary Medicine, Beyza Branch, Islamic Azad University, Beyza, Iran
| | - Fatemeh Vatankhah
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Soleymani-Goloujeh
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
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Liu S, Han M, Zhang J, Ji J, Wu Y, Wei J. Interactions between Benzo(a)pyrene exposure and genetic polymorphisms of AhR signaling pathway on missed abortion. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2023; 33:881-893. [PMID: 35481410 DOI: 10.1080/09603123.2022.2064436] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 04/04/2022] [Indexed: 06/14/2023]
Abstract
Benzo(a)pyrene (BaP) is an environmental pollutant widely exposed to human beings. While the relationship between BaP and missed abortion is few understood. To explore the association between missed abortion and BaP, genetic polymorphisms of AhR pathway, we recruited 112 cases women with missed abortion and 137 controls women with normal pregnancy from Shanxi, China. The BPDE-DNA adducts level in the case group was higher than that in the control group (P < 0.001). The subjects were categorized according to the tertiles of BPDE-DNA adduct concentrations: T1 (
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Affiliation(s)
- Sha Liu
- Department of Epidemiology, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Mei Han
- Department of Epidemiology, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Jiayu Zhang
- Department of Epidemiology, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Jingru Ji
- Department of Obstetrics, The First Affiliated Hospital, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Yanfei Wu
- Department of Obstetrics, The First Affiliated Hospital, Shanxi Medical University, Taiyuan, Shanxi, China
- Department of Chinese Medicine, The First Affiliated Hospital, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Junni Wei
- Department of Epidemiology, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China
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Chen Y, Chen H, Zheng Q. Siglecs family used by pathogens for immune escape may engaged in immune tolerance in pregnancy. J Reprod Immunol 2023; 159:104127. [PMID: 37572430 DOI: 10.1016/j.jri.2023.104127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/18/2023] [Accepted: 08/02/2023] [Indexed: 08/14/2023]
Abstract
The Siglecs family is a group of type I sialic acid-binding immunoglobulin-like receptors that regulate cellular signaling by recognizing sialic acid epitopes. Siglecs are predominantly expressed on the surface of leukocytes, where they play a crucial role in regulating immune activity. Pathogens can exploit inhibitory Siglecs by utilizing their sialic acid components to promote invasion or suppress immune functions, facilitating immune evasion. The establishing of an immune-balanced maternal-fetal interface microenvironment is essential for a successful pregnancy. Dysfunctional immune cells may lead to adverse pregnancy outcomes. Siglecs are important for inducing a phenotypic switch in leukocytes at the maternal-fetal interface toward a less toxic and more tolerant phenotype. Recent discoveries regarding Siglecs in the reproductive system have drawn further attention to their potential roles in reproduction. In this review, we primarily discuss the latest advances in understanding the impact of Siglecs as immune regulators on infections and pregnancy.
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Affiliation(s)
- Ying Chen
- Prenatal Diagnosis Center, The Eighth Affiliated Hospital, Sun Yat-sen University, 3025# Shennan Road, Shenzhen 518033, PR China
| | - Huan Chen
- Prenatal Diagnosis Center, The Eighth Affiliated Hospital, Sun Yat-sen University, 3025# Shennan Road, Shenzhen 518033, PR China
| | - Qingliang Zheng
- Prenatal Diagnosis Center, The Eighth Affiliated Hospital, Sun Yat-sen University, 3025# Shennan Road, Shenzhen 518033, PR China.
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11
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Greenbaum S, Averbukh I, Soon E, Rizzuto G, Baranski A, Greenwald NF, Kagel A, Bosse M, Jaswa EG, Khair Z, Kwok S, Warshawsky S, Piyadasa H, Goldston M, Spence A, Miller G, Schwartz M, Graf W, Van Valen D, Winn VD, Hollmann T, Keren L, van de Rijn M, Angelo M. A spatially resolved timeline of the human maternal-fetal interface. Nature 2023; 619:595-605. [PMID: 37468587 PMCID: PMC10356615 DOI: 10.1038/s41586-023-06298-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 06/08/2023] [Indexed: 07/21/2023]
Abstract
Beginning in the first trimester, fetally derived extravillous trophoblasts (EVTs) invade the uterus and remodel its spiral arteries, transforming them into large, dilated blood vessels. Several mechanisms have been proposed to explain how EVTs coordinate with the maternal decidua to promote a tissue microenvironment conducive to spiral artery remodelling (SAR)1-3. However, it remains a matter of debate regarding which immune and stromal cells participate in these interactions and how this evolves with respect to gestational age. Here we used a multiomics approach, combining the strengths of spatial proteomics and transcriptomics, to construct a spatiotemporal atlas of the human maternal-fetal interface in the first half of pregnancy. We used multiplexed ion beam imaging by time-of-flight and a 37-plex antibody panel to analyse around 500,000 cells and 588 arteries within intact decidua from 66 individuals between 6 and 20 weeks of gestation, integrating this dataset with co-registered transcriptomics profiles. Gestational age substantially influenced the frequency of maternal immune and stromal cells, with tolerogenic subsets expressing CD206, CD163, TIM-3, galectin-9 and IDO-1 becoming increasingly enriched and colocalized at later time points. By contrast, SAR progression preferentially correlated with EVT invasion and was transcriptionally defined by 78 gene ontology pathways exhibiting distinct monotonic and biphasic trends. Last, we developed an integrated model of SAR whereby invasion is accompanied by the upregulation of pro-angiogenic, immunoregulatory EVT programmes that promote interactions with the vascular endothelium while avoiding the activation of maternal immune cells.
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Affiliation(s)
- Shirley Greenbaum
- Department of Pathology, Stanford University, Stanford, CA, USA.
- Department of Obstetrics and Gynecology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel.
| | - Inna Averbukh
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Erin Soon
- Department of Pathology, Stanford University, Stanford, CA, USA
- Immunology Program, Stanford University, Stanford, CA, USA
| | - Gabrielle Rizzuto
- Department of Pathology, University of Californica San Francisco, San Francisco, CA, USA
| | - Alex Baranski
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Noah F Greenwald
- Department of Pathology, Stanford University, Stanford, CA, USA
- Cancer Biology Program, Stanford University, Stanford, CA, USA
| | - Adam Kagel
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Marc Bosse
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Eleni G Jaswa
- Department of Obstetrics Gynecology and Reproductive Sciences, University of California San Francisco, San Francisco, CA, USA
| | - Zumana Khair
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Shirley Kwok
- Department of Pathology, Stanford University, Stanford, CA, USA
| | | | | | - Mako Goldston
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Angie Spence
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Geneva Miller
- Division of Biology and Bioengineering, California Institute of Technology, Pasadena, CA, USA
| | - Morgan Schwartz
- Division of Biology and Bioengineering, California Institute of Technology, Pasadena, CA, USA
| | - Will Graf
- Division of Biology and Bioengineering, California Institute of Technology, Pasadena, CA, USA
| | - David Van Valen
- Division of Biology and Bioengineering, California Institute of Technology, Pasadena, CA, USA
| | - Virginia D Winn
- Department of Obstetrics and Gynecology, Stanford University, Stanford, CA, USA
| | - Travis Hollmann
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Leeat Keren
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | | | - Michael Angelo
- Department of Pathology, Stanford University, Stanford, CA, USA.
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12
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Wang Y, Yu H, Yu M, Liu H, Zhang B, Wang Y, Zhao S, Xia Q. CD24 blockade as a novel strategy for cancer treatment. Int Immunopharmacol 2023; 121:110557. [PMID: 37379708 DOI: 10.1016/j.intimp.2023.110557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 05/22/2023] [Accepted: 06/21/2023] [Indexed: 06/30/2023]
Abstract
The CD24 protein is a heat-stable protein with a small core that undergoes extensive glycosylation. It is expressed on the surface of various normal cells, including lymphocytes, epithelial cells, and inflammatory cells. CD24 exerts its function by binding to different ligands. Numerous studies have demonstrated the close association of CD24 with tumor occurrence and progression. CD24 not only facilitates tumor cell proliferation, metastasis, and immune evasion but also plays a role in tumor initiation, thus, serving as a marker on the surface of cancer stem cells (CSCs). Additionally, CD24 induces drug resistance in various tumor cells following chemotherapy. To counteract the tumor-promoting effects of CD24, several treatment strategies targeting CD24 have been explored, such as the use of CD24 monoclonal antibodies (mAb) alone, the combination of CD24 and chemotoxic drugs, or the combination of these drugs with other targeted immunotherapeutic techniques. Regardless of the approach, targeting CD24 has demonstrated significant anti-tumor effects. Therefore, the present study focuses on anti-tumor therapy and provides a comprehensive review of the structure and fundamental physiological function of CD24 and its impact on tumor development, and suggests that targeting CD24 may represent an effective strategy for treating malignant tumors.
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Affiliation(s)
- Yawen Wang
- Department of Pathology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China; Henan Medical Key Laboratory of Tumor Pathology and Artificial Intelligence Diagnosis, Zhengzhou 450008, China; Zhengzhou Key Laboratory of Accurate Pathological Diagnosis of Intractable Tumors, Zhengzhou 450008, China; Henan Engineering Research Center of Pathological Diagnostic Antibody, Zhengzhou 450008, China
| | - Haoran Yu
- Department of Pathology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China; Henan Medical Key Laboratory of Tumor Pathology and Artificial Intelligence Diagnosis, Zhengzhou 450008, China; Zhengzhou Key Laboratory of Accurate Pathological Diagnosis of Intractable Tumors, Zhengzhou 450008, China; Henan Engineering Research Center of Pathological Diagnostic Antibody, Zhengzhou 450008, China
| | - Mengyuan Yu
- Department of Pathology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China; Henan Medical Key Laboratory of Tumor Pathology and Artificial Intelligence Diagnosis, Zhengzhou 450008, China; Zhengzhou Key Laboratory of Accurate Pathological Diagnosis of Intractable Tumors, Zhengzhou 450008, China; Henan Engineering Research Center of Pathological Diagnostic Antibody, Zhengzhou 450008, China
| | - Hui Liu
- Department of Pathology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China
| | - Bing Zhang
- Department of Pathology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China; Zhengzhou Key Laboratory of Accurate Pathological Diagnosis of Intractable Tumors, Zhengzhou 450008, China
| | - Yuanyuan Wang
- Department of Pathology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China; Henan Medical Key Laboratory of Tumor Pathology and Artificial Intelligence Diagnosis, Zhengzhou 450008, China; Zhengzhou Key Laboratory of Accurate Pathological Diagnosis of Intractable Tumors, Zhengzhou 450008, China
| | - Simin Zhao
- Department of Pathology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China; Henan Medical Key Laboratory of Tumor Pathology and Artificial Intelligence Diagnosis, Zhengzhou 450008, China; Zhengzhou Key Laboratory of Accurate Pathological Diagnosis of Intractable Tumors, Zhengzhou 450008, China.
| | - Qingxin Xia
- Department of Pathology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou 450008, China; Henan Medical Key Laboratory of Tumor Pathology and Artificial Intelligence Diagnosis, Zhengzhou 450008, China; Zhengzhou Key Laboratory of Accurate Pathological Diagnosis of Intractable Tumors, Zhengzhou 450008, China; Henan Engineering Research Center of Pathological Diagnostic Antibody, Zhengzhou 450008, China.
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13
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Gu Y, Zhou G, Tang X, Shen F, Ding J, Hua K. The biological roles of CD24 in ovarian cancer: old story, but new tales. Front Immunol 2023; 14:1183285. [PMID: 37359556 PMCID: PMC10288981 DOI: 10.3389/fimmu.2023.1183285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 05/25/2023] [Indexed: 06/28/2023] Open
Abstract
CD24 is a glycosylphosphatidylinositol linked molecular which expressed in diverse malignant tumor cells, particular in ovarian carcinoma cells and ovarian carcinoma stem cells. The CD24 expression is associated with increased metastatic potential and poor prognosis of malignancies. CD24 on the surface of tumor cells could interact with Siglec-10 on the surface of immune cells, to mediate the immune escape of tumor cells. Nowadays, CD24 has been identified as a promising focus for targeting therapy of ovarian cancer. However, the roles of CD24 in tumorigenesis, metastasis, and immune escape are still not clearly demonstrated systematically. In this review, we i) summarized the existing studies on CD24 in diverse cancers including ovarian cancer, ii) illustrated the role of CD24-siglec10 signaling pathway in immune escape, iii) reviewed the existing immunotherapeutic strategies (targeting the CD24 to restore the phagocytic effect of Siglec-10 expressing immune cells) based on the above mechanisms and evaluated the priorities in the future research. These results might provide support for guiding the CD24 immunotherapy as the intervention upon solid tumors.
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Affiliation(s)
- Yuanyuan Gu
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Department of Gynecology, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Guannan Zhou
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Department of Gynecology, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
- Changning Maternity and Infant Health Hospital, East China Normal University, Shanghai, China
| | - Xue Tang
- Department of Laboratory Medicine, Division of Biomolecular and Cellular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Fang Shen
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
| | - Jingxin Ding
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Department of Gynecology, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
| | - Keqin Hua
- Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Department of Gynecology, Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, China
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14
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Raïch-Regué D, Resa-Infante P, Gallemí M, Laguia F, Muñiz-Trabudua X, Muñoz-Basagoiti J, Perez-Zsolt D, Chojnacki J, Benet S, Clotet B, Martinez-Picado J, Izquierdo-Useros N. Role of Siglecs in viral infections: A double-edged sword interaction. Mol Aspects Med 2023; 90:101113. [PMID: 35981912 PMCID: PMC9923124 DOI: 10.1016/j.mam.2022.101113] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 07/25/2022] [Accepted: 08/01/2022] [Indexed: 01/21/2023]
Abstract
Sialic-acid-binding immunoglobulin-like lectins are cell surface immune receptors known as Siglecs that play a paramount role as modulators of immunity. In recent years, research has underscored how the underlaying biology of this family of receptors influences the outcome of viral infections. While Siglecs are needed to promote effective antiviral immune responses, they can also pave the way to viral dissemination within tissues. Here, we review how recent preclinical findings focusing on the interplay between Siglecs and viruses may translate into promising broad-spectrum therapeutic interventions or key biomarkers to monitor the course of viral infections.
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Affiliation(s)
- Dàlia Raïch-Regué
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain
| | - Patricia Resa-Infante
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain; University of Vic-Central University of Catalonia (UVic-UCC), 08500, Vic, Spain
| | - Marçal Gallemí
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain
| | - Fernando Laguia
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain
| | - Xabier Muñiz-Trabudua
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain
| | | | - Daniel Perez-Zsolt
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain
| | - Jakub Chojnacki
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain; Germans Trias i Pujol Research Institute (IGTP), Can Ruti Campus, 08916, Badalona, Spain
| | - Susana Benet
- Fundació lluita contra la SIDA, Infectious Diseases Department, Hospital Germans Trias i Pujol, 08916, Badalona, Spain
| | - Bonaventura Clotet
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain; University of Vic-Central University of Catalonia (UVic-UCC), 08500, Vic, Spain; Germans Trias i Pujol Research Institute (IGTP), Can Ruti Campus, 08916, Badalona, Spain; Fundació lluita contra la SIDA, Infectious Diseases Department, Hospital Germans Trias i Pujol, 08916, Badalona, Spain; Consorcio Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029, Madrid, Spain
| | - Javier Martinez-Picado
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain; University of Vic-Central University of Catalonia (UVic-UCC), 08500, Vic, Spain; Germans Trias i Pujol Research Institute (IGTP), Can Ruti Campus, 08916, Badalona, Spain; Consorcio Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029, Madrid, Spain; Catalan Institution for Research and Advanced Studies (ICREA), 08010, Barcelona, Spain
| | - Nuria Izquierdo-Useros
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, 08916, Badalona, Spain; Germans Trias i Pujol Research Institute (IGTP), Can Ruti Campus, 08916, Badalona, Spain; Consorcio Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029, Madrid, Spain.
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15
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Gonzalez-Gil A, Li TA, Kim J, Schnaar RL. Human sialoglycan ligands for immune inhibitory Siglecs. Mol Aspects Med 2023; 90:101110. [PMID: 35965135 DOI: 10.1016/j.mam.2022.101110] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/26/2022] [Accepted: 07/27/2022] [Indexed: 02/08/2023]
Abstract
Most human Siglecs (sialic acid binding immunoglobulin-like lectins) are expressed on the surfaces of overlapping subsets of immune cells, and most carry immunoreceptor tyrosine-based inhibitory domains on their intracellular motifs. When immune inhibitory Siglecs bind to complementary sialoglycans in their local milieu, engagement results in down-regulation of the immune response. Siglecs have come under scrutiny as potential targets of drugs to modify the course of inflammation (and other immune system responses) and as immune checkpoints in cancer. Human Siglecs bind to endogenous human sialoglycans. The identities of these endogenous human sialoglycan immune regulators are beginning to emerge, along with some general principles that may inform future investigations in this area. Among these principles is the finding that a cell type or tissue may express a ligand for a particular Siglec on a single or a very few of its sialoglycoproteins. The selected protein carrier for a particular Siglec may be unique in a certain tissue, but vary tissue-to-tissue. The binding affinity of endogenous Siglec ligands may surpass that of its binding to synthetic sialoglycan determinants by several orders of magnitude. Since most human Siglecs have evolved rapidly and are distinct from those in most other mammals, this review describes endogenous human Siglec ligands for several human immune inhibitory Siglecs. As the identities of these immune regulatory sialoglycan ligands are defined, additional opportunities to target Siglecs therapeutically may emerge.
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Affiliation(s)
- Anabel Gonzalez-Gil
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA.
| | - T August Li
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA.
| | - Jean Kim
- Department Medicine, Division of Allergy and Clinical Immunology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA; Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.
| | - Ronald L Schnaar
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA; Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA.
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16
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Siddiqui SS. Non-canonical roles of Siglecs: Beyond sialic acid-binding and immune cell modulation. Mol Aspects Med 2023; 90:101145. [PMID: 36153172 DOI: 10.1016/j.mam.2022.101145] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 08/11/2022] [Accepted: 09/13/2022] [Indexed: 02/08/2023]
Abstract
Siglecs (Sialic acid-binding immunoglobulin-type lectins) are I-type lectins that bind with sialic acid ligands (Sia). Most are expressed on the surface of leukocytes and are involved in immune regulation and possess immune tyrosine-based inhibitory motif (ITIM) in the intracellular domain, thus leading to inhibition of the immune response. This signaling is instrumental in maintaining quiescence under physiological conditions and acts as a brake for inflammatory cascades. By contrast, activating Siglecs carry positively charged residues in the transmembrane domain and interact with immune tyrosine-based activating motif (ITAM)-containing proteins, a DNAX-activating protein of 10-12 kDa (DAP10/12), to activate immune cells. There are various characteristics of Siglecs that do not fit within the classification of Siglec receptors as being either inhibitory or activating in nature. This review focuses on elucidating the non-canonical functions and interactions of Siglec receptors, which include Sia-independent interactions such as protein-protein interactions and interactions with lipids or other sugars. This review also summarizes Siglec expression and function on non-immune cells, and non-classical signaling of the receptor. Thus, this review will be beneficial to researchers interested in the field of Siglecs and sialic acid biology.
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Affiliation(s)
- Shoib Sarwar Siddiqui
- School of Life and Medical Sciences, University of Hertfordshire, College Lane Campus, Hatfield, AL10 9AB, United Kingdom.
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17
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Brzezicka KA, Paulson JC. Impact of Siglecs on autoimmune diseases. Mol Aspects Med 2023; 90:101140. [PMID: 36055802 PMCID: PMC9905255 DOI: 10.1016/j.mam.2022.101140] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/19/2022] [Accepted: 08/21/2022] [Indexed: 02/08/2023]
Abstract
Autoimmune diseases affect tens of millions of people just in the United States alone. Most of the available treatment options are aimed at reducing symptoms but do not lead to cures. Individuals affected with autoimmune diseases suffer from the imbalance between tolerogenic and immunogenic functions of their immune system. Often pathogenesis is mediated by autoreactive B and T cells that escape central tolerance and react against self-antigens attacking healthy tissues in the body. In recent years Siglecs, sialic-acid-binding immunoglobulin (Ig)-like lectins, have gained attention as immune checkpoints for therapeutic interventions to dampen excessive immune responses and to restore immune tolerance in autoimmune diseases. Many Siglecs function as inhibitory receptors suppressing activation signals in various immune cells through binding to sialic acid ligands as signatures of self. In this review, we highlight potential of Siglecs in suppressing immune responses causing autoimmune diseases. In particular, we cover the roles of CD22 and Siglec-G/Siglec-10 in regulating autoreactive B cell responses. We discuss several functions of Siglec-10 in the immune modulation of other immune cells, and the potential of therapeutic strategies for restoring immune tolerance by targeting Siglecs and expanding regulatory T cells. Finally, we briefly review efforts evaluating Siglec-based biomarkers to monitor autoimmune diseases.
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Affiliation(s)
- Katarzyna Alicja Brzezicka
- Department of Molecular Medicine, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA; Department of Immunology and Microbiology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - James C Paulson
- Department of Molecular Medicine, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA; Department of Immunology and Microbiology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA.
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18
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Emerging phagocytosis checkpoints in cancer immunotherapy. Signal Transduct Target Ther 2023; 8:104. [PMID: 36882399 PMCID: PMC9990587 DOI: 10.1038/s41392-023-01365-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 01/31/2023] [Accepted: 02/14/2023] [Indexed: 03/09/2023] Open
Abstract
Cancer immunotherapy, mainly including immune checkpoints-targeted therapy and the adoptive transfer of engineered immune cells, has revolutionized the oncology landscape as it utilizes patients' own immune systems in combating the cancer cells. Cancer cells escape immune surveillance by hijacking the corresponding inhibitory pathways via overexpressing checkpoint genes. Phagocytosis checkpoints, such as CD47, CD24, MHC-I, PD-L1, STC-1 and GD2, have emerged as essential checkpoints for cancer immunotherapy by functioning as "don't eat me" signals or interacting with "eat me" signals to suppress immune responses. Phagocytosis checkpoints link innate immunity and adaptive immunity in cancer immunotherapy. Genetic ablation of these phagocytosis checkpoints, as well as blockade of their signaling pathways, robustly augments phagocytosis and reduces tumor size. Among all phagocytosis checkpoints, CD47 is the most thoroughly studied and has emerged as a rising star among targets for cancer treatment. CD47-targeting antibodies and inhibitors have been investigated in various preclinical and clinical trials. However, anemia and thrombocytopenia appear to be formidable challenges since CD47 is ubiquitously expressed on erythrocytes. Here, we review the reported phagocytosis checkpoints by discussing their mechanisms and functions in cancer immunotherapy, highlight clinical progress in targeting these checkpoints and discuss challenges and potential solutions to smooth the way for combination immunotherapeutic strategies that involve both innate and adaptive immune responses.
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19
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Sammar M, Apicella C, Altevogt P, Meiri H, Vaiman D. Modeling Preeclampsia In Vitro: Polymorphic Variants of STOX1-A/B Genes Can Downregulate CD24 in Trophoblast Cell Lines. Int J Mol Sci 2022; 23:ijms232415927. [PMID: 36555567 PMCID: PMC9783292 DOI: 10.3390/ijms232415927] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/07/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
CD24 is a mucin-like immunosuppressing glycoprotein whose levels increase during pregnancy and decrease in the syncytio- and cytotrophoblasts in early and preterm preeclampsia. We used two modified cell lines that mimic in vitro features of preeclampsia to identify if this phenomenon could be reproduced. Our model was the immortalized placental-derived BeWo and JEG-3 cell lines that overexpress the STOX1 A/B transcription factor gene that was discovered in familial forms of preeclampsia. BeWo and JEG-3 cells stably transduced with the two major isoforms of STOX1-A/B or by an empty vector (control), were propagated, harvested, and analyzed. CD24 mRNA expression was determined by quantitative real-time polymerase nuclear chain reaction (qRT-PCR). CD24 protein levels were determined by Western blots. In STOX1-A/B overexpressing in BeWo cells, CD24 mRNA was downregulated by 91 and 85%, respectively, compared to the control, and by 30% and 74%, respectively in JEG-3 cells. A 67% and 82% decrease in CD24 protein level was determined by immunoblot in BeWo overexpressing STOX1-A/B, respectively, while the reduction in JEG-3 cells was between 47 and 62%. The immortalized BeWo and JEG-3 cell lines overexpressing STOX1-A/B had reduced CD24. Although both cell lines were affected, BeWo appears to be more susceptible to downregulation by STOX-1 than JEG-3, potentially because of their different cell origin and properties. These results strengthen the in vivo results of reduced CD24 levels found in early and preterm preeclampsia. Accordingly, it implies the importance of the reduced immune tolerance in preeclampsia, which was already demonstrated in vivo in the STOX1-A/B model of preeclampsia, and is now implied in the in vitro STOX-1 model, a subject that warrants further investigations.
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Affiliation(s)
- Marei Sammar
- Prof. Ephraim Katzir’s Department of Biotechnology Engineering, Braude College of Engineering, 51 Snunit St., Karmiel 2161002, Israel
- Correspondence: ; Tel.: +972-(04)-9901769; Fax: +972-(04)-99017
| | - Clara Apicella
- Institute Cochin, U1016, INSERM, UMR 8504 CNRS, Paris-Descartes Université, 75014 Paris, France
| | - Peter Altevogt
- Skin Cancer Unit, DKFZ and Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Theodor-Kutzer-Ufer 1–3, 68167 Mannheim, Germany
| | - Hamutal Meiri
- Hylabs, Rehovot and TeleMarpe, 21 Beit El St., Tel Aviv 6908742, Israel
| | - Daniel Vaiman
- Institute Cochin, U1016, INSERM, UMR 8504 CNRS, Paris-Descartes Université, 75014 Paris, France
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20
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Long-Term Elevated Siglec-10 in Cerebral Spinal Fluid Heralds Better Prognosis for Patients with Aneurysmal Subarachnoid Hemorrhage. DISEASE MARKERS 2022; 2022:5382100. [PMID: 36188429 PMCID: PMC9519311 DOI: 10.1155/2022/5382100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/18/2022] [Accepted: 08/25/2022] [Indexed: 11/18/2022]
Abstract
The presence of aneurysmal subarachnoid hemorrhage (aSAH) is usually accompanied by excessive inflammatory response leading to damage of the central nervous system, and the sialic acid-binding Ig-like lectin 10 (Siglec-10) is a recognized factor being able to modify the inflammatory reaction. To investigate the potential role of Siglec-10 in aSAH, we collected the cerebrospinal fluid (CSF) of control (n = 11) and aSAH (n = 14) patients at separate times and measured the Siglec-10 concentration utilizing the enzyme-linked immunosorbent assay (ELISA) and evaluated the alterations of GOS and GCS during the disease process. In accordance with the STROBE statement, results showed that Siglec-10 in CSF rose quickly in response aSAH attack and then fell back to a slightly higher range above baseline, while it remained at relative high concentration and last longer in several severely injured patients. In general, higher Siglec-10 expression over a longer period usually indicated a better clinical prognosis. This prospective cohort study suggested that Siglec-10 could possibly be used as a biomarker for predicting prognosis of aSAH due to its ability to balance aSAH-induced nonsterile inflammation. Additionally, these findings might provide novel therapeutic perspectives for aSAH and other inflammation-related diseases.
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21
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Hua L, Chen W, Meng Y, Qin M, Yan Z, Yang R, Liu Q, Wei Y, Zhao Y, Yan L, Qiao J. The combination of DNA methylome and transcriptome revealed the intergenerational inheritance on the influence of advanced maternal age. Clin Transl Med 2022; 12:e990. [PMID: 36103411 PMCID: PMC9473489 DOI: 10.1002/ctm2.990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 07/03/2022] [Accepted: 07/08/2022] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND The number of women delivering at advanced maternal age (AMA; > = 35) continuously increases in developed and high-income countries. Large cohort studies have associated AMA with increased risks of various pregnancy complications and adverse pregnancy outcomes, which raises great concerns about the adverse effect of AMA on the long-term health of offspring. Specific acquired characteristics of parents can be passed on to descendants through certain molecular mechanisms, yet the underlying connection between AMA-related alterations in parents and that in offspring remains largely uncharted. METHODS We profiled the DNA methylomes of paired parental peripheral bloods and cord bloods from 20 nuclear families, including 10 AMA and 10 Young, and additional transcriptomes of 10 paired maternal peripheral bloods and cord bloods. RESULTS We revealed that AMA induced aging-like changes in DNA methylome and gene expression in both parents and offspring. The expression changes in several genes, such as SLC28A3, were highly relevant to the disorder in DNA methylation. In addition, AMA-related differentially methylated regions (DMRs) identified in mother and offspring groups showed remarkable similarities in both genomic locations and biological functions, mainly involving neuron differentiation, metabolism, and histone modification pathways. AMA-related differentially expressed genes (DEGs) shared by mother and offspring groups were highly enriched in the processes of immune cell activation and mitotic nuclear division. We further uncovered developmental-dependent dynamics for the DNA methylation of intergenerationally correlated DMRs during pre-implantation embryonic development, as well as diverse gene expression patterns during gametogenesis and early embryonic development for those common AMA-related DEGs presenting intergenerational correlation, such as CD24. Moreover, some intergenerational DEGs, typified by HTRA3, also showed the same significant alterations in AMA MII oocyte or blastocyst. CONCLUSIONS Our results reveal potential intergenerational inheritance of both AMA-related DNA methylome and transcriptome and provide new insights to understand health problems in AMA offspring.
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Affiliation(s)
- Lingyue Hua
- Center for Reproductive MedicineDepartment of Obstetrics and GynecologyPeking University Third HospitalBeijingChina
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third HospitalBeijingChina
- Key Laboratory of Assisted Reproduction, Peking UniversityMinistry of EducationBeijingChina
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive TechnologyBeijingChina
| | - Wei Chen
- Center for Reproductive MedicineDepartment of Obstetrics and GynecologyPeking University Third HospitalBeijingChina
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third HospitalBeijingChina
- Key Laboratory of Assisted Reproduction, Peking UniversityMinistry of EducationBeijingChina
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive TechnologyBeijingChina
| | - Yan Meng
- Department of Obstetrics and GynecologyBeijing Jishuitan Hospital, Fourth Clinical College of Peking UniversityBeijingChina
| | - Meng Qin
- Center for Reproductive MedicineDepartment of Obstetrics and GynecologyPeking University Third HospitalBeijingChina
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third HospitalBeijingChina
- Key Laboratory of Assisted Reproduction, Peking UniversityMinistry of EducationBeijingChina
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive TechnologyBeijingChina
| | - Zhiqiang Yan
- Center for Reproductive MedicineDepartment of Obstetrics and GynecologyPeking University Third HospitalBeijingChina
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third HospitalBeijingChina
- Key Laboratory of Assisted Reproduction, Peking UniversityMinistry of EducationBeijingChina
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive TechnologyBeijingChina
| | - Rui Yang
- Center for Reproductive MedicineDepartment of Obstetrics and GynecologyPeking University Third HospitalBeijingChina
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third HospitalBeijingChina
- Key Laboratory of Assisted Reproduction, Peking UniversityMinistry of EducationBeijingChina
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive TechnologyBeijingChina
| | - Qiang Liu
- Center for Reproductive MedicineDepartment of Obstetrics and GynecologyPeking University Third HospitalBeijingChina
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third HospitalBeijingChina
- Key Laboratory of Assisted Reproduction, Peking UniversityMinistry of EducationBeijingChina
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive TechnologyBeijingChina
| | - Yuan Wei
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third HospitalBeijingChina
- Department of Obstetrics and GynecologyPeking University Third HospitalBeijingChina
- National Center for Healthcare Quality Management in ObstetricsBeijingChina
| | - Yangyu Zhao
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third HospitalBeijingChina
- Department of Obstetrics and GynecologyPeking University Third HospitalBeijingChina
- National Center for Healthcare Quality Management in ObstetricsBeijingChina
| | - Liying Yan
- Center for Reproductive MedicineDepartment of Obstetrics and GynecologyPeking University Third HospitalBeijingChina
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third HospitalBeijingChina
- Key Laboratory of Assisted Reproduction, Peking UniversityMinistry of EducationBeijingChina
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive TechnologyBeijingChina
| | - Jie Qiao
- Center for Reproductive MedicineDepartment of Obstetrics and GynecologyPeking University Third HospitalBeijingChina
- National Clinical Research Center for Obstetrics and Gynecology, Peking University Third HospitalBeijingChina
- Key Laboratory of Assisted Reproduction, Peking UniversityMinistry of EducationBeijingChina
- Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive TechnologyBeijingChina
- Department of Obstetrics and GynecologyPeking University Third HospitalBeijingChina
- Beijing Advanced Innovation Center for GenomicsBeijingChina
- Peking‐Tsinghua Center for Life SciencesPeking UniversityBeijingChina
- Research Units of Comprehensive Diagnosis and Treatment of Oocyte Maturation Arrest, Chinese Academy of Medical SciencesBeijingChina
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22
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Jiang KY, Qi LL, Kang FB, Wang L. The intriguing roles of Siglec family members in the tumor microenvironment. Biomark Res 2022; 10:22. [PMID: 35418152 PMCID: PMC9008986 DOI: 10.1186/s40364-022-00369-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 03/25/2022] [Indexed: 02/06/2023] Open
Abstract
Sialic acid-binding receptors are expressed on the surfaces of a variety of immune cells and have complex and diverse immunoregulatory functions in health and diseases. Recent studies have shown that Siglecs could play diverse immune and nonimmune regulatory roles in the tumor microenvironment (TME) and participate in tumor progression through various mechanisms, such as regulating tumor growth and metastasis, mediating the inflammatory response, and promoting tumor immune escape, thereby affecting the prognoses and outcomes of patients. However, depending on the cell type in which they are expressed, each Siglec member binds to corresponding ligands in the microenvironment milieu to drive diverse cell physiological and pathological processes in tumors. Therefore, we herein summarize the expression spectra and functions of the Siglec family in human diseases, particularly cancer, and highlight the possibility of therapeutic interventions targeting the TME in the future.
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Affiliation(s)
- Kui-Ying Jiang
- Department of Orthopedic Oncology, the Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Li-Li Qi
- Experimental Center for Teaching of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China
| | - Fu-Biao Kang
- The Liver Disease Center of PLA, the 980Th Hospital of PLA Joint Logistics Support Force, Shijiazhuang, Hebei, People's Republic of China.
| | - Ling Wang
- Department of Orthopedic Oncology, the Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China.
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23
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Li WX, Xu XH, Jin LP. Regulation of the innate immune cells during pregnancy: An immune checkpoint perspective. J Cell Mol Med 2021; 25:10362-10375. [PMID: 34708495 PMCID: PMC8581333 DOI: 10.1111/jcmm.17022] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 09/03/2021] [Accepted: 10/04/2021] [Indexed: 12/17/2022] Open
Abstract
The foetus can be regarded as a half‐allograft implanted into the maternal body. In a successful pregnancy, the mother does not reject the foetus because of the immune tolerance mechanism at the maternal‐foetal interface. The innate immune cells are a large part of the decidual leukocytes contributing significantly to a successful pregnancy. Although the contributions have been recognized, their role in human pregnancy has not been completely elucidated. Additionally, the accumulated evidence demonstrates that the immune checkpoint molecules expressed on the immune cells are co‐inhibitory receptors regulating their activation and biological function. Therefore, it is critical to understand the immune microenvironment and explore the function of the innate immune cells during pregnancy. This review summarizes the classic immune checkpoints such as PD‐1, CTLA‐4 and some novel molecules recently identified, including TIM‐3, CD200, TIGIT and the Siglecs family on the decidual and peripheral innate immune cells during pregnancy. Furthermore, it emphasizes the role of the immune checkpoint molecules in pregnancy‐associated complications and reproductive immunotherapy.
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Affiliation(s)
- Wen-Xuan Li
- Shanghai Key Laboratory of Maternal-Fetal Medicine, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xiang-Hong Xu
- Shanghai Key Laboratory of Maternal-Fetal Medicine, Clinical and Translational Research Center, Department of Biobank, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Li-Ping Jin
- Shanghai Key Laboratory of Maternal-Fetal Medicine, Clinical and Translational Research Center, Department of Biobank, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
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24
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Bergamelli M, Martin H, Bénard M, Ausseil J, Mansuy JM, Hurbain I, Mouysset M, Groussolles M, Cartron G, Tanguy le Gac Y, Moinard N, Suberbielle E, Izopet J, Tscherning C, Raposo G, Gonzalez-Dunia D, D'Angelo G, Malnou CE. Human Cytomegalovirus Infection Changes the Pattern of Surface Markers of Small Extracellular Vesicles Isolated From First Trimester Placental Long-Term Histocultures. Front Cell Dev Biol 2021; 9:689122. [PMID: 34568315 PMCID: PMC8461063 DOI: 10.3389/fcell.2021.689122] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 07/28/2021] [Indexed: 12/12/2022] Open
Abstract
Extracellular vesicles (EVs) have increasingly been recognized as key players in a wide variety of physiological and pathological contexts, including during pregnancy. Notably, EVs appear both as possible biomarkers and as mediators involved in the communication of the placenta with the maternal and fetal sides. A better understanding of the physiological and pathological roles of EVs strongly depends on the development of adequate and reliable study models, specifically at the beginning of pregnancy where many adverse pregnancy outcomes have their origin. In this study, we describe the isolation of small EVs from a histoculture model of first trimester placental explants in normal conditions as well as upon infection by human cytomegalovirus. Using bead-based multiplex cytometry and electron microscopy combined with biochemical approaches, we characterized these small EVs and defined their associated markers and ultrastructure. We observed that infection led to changes in the expression level of several surface markers, without affecting the secretion and integrity of small EVs. Our findings lay the foundation for studying the functional role of EVs during early pregnancy, along with the identification of new predictive biomarkers for the severity and outcome of this congenital infection, which are still sorely lacking.
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Affiliation(s)
- Mathilde Bergamelli
- Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), INSERM, CNRS, UPS, Université de Toulouse, Toulouse, France
| | - Hélène Martin
- Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), INSERM, CNRS, UPS, Université de Toulouse, Toulouse, France
| | - Mélinda Bénard
- Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), INSERM, CNRS, UPS, Université de Toulouse, Toulouse, France.,Service de Néonatalogie, CHU Toulouse, Hôpital des Enfants, Toulouse, France
| | - Jérôme Ausseil
- Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), INSERM, CNRS, UPS, Université de Toulouse, Toulouse, France.,Laboratoire de Biochimie, CHU Toulouse, Hôpital Rangueil, Toulouse, France
| | - Jean-Michel Mansuy
- Laboratoire de Virologie, CHU Toulouse, Hôpital Purpan, Toulouse, France
| | - Ilse Hurbain
- CNRS UMR 144, Structure et Compartiments Membranaires, Institut Curie, Université Paris Sciences et Lettres, Paris, France.,CNRS UMR 144, Plateforme d'Imagerie Cellulaire et Tissulaire (PICT-IBiSA), Institut Curie, Université Paris Sciences et Lettres, Paris, France
| | - Maïlys Mouysset
- Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), INSERM, CNRS, UPS, Université de Toulouse, Toulouse, France
| | - Marion Groussolles
- Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), INSERM, CNRS, UPS, Université de Toulouse, Toulouse, France.,Service de Diagnostic Prénatal, CHU Toulouse, Hôpital Paule de Viguier, Toulouse, France.,INSERM UMR 1027, UPS, Equipe SPHERE Epidémiologie et Analyses en Santé Publique: Risques, Maladies Chroniques et Handicaps, Université de Toulouse, Toulouse, France
| | - Géraldine Cartron
- Service de Gynécologie Obstétrique, CHU Toulouse, Hôpital Paule de Viguier, Toulouse, France
| | - Yann Tanguy le Gac
- Service de Gynécologie Obstétrique, CHU Toulouse, Hôpital Paule de Viguier, Toulouse, France
| | - Nathalie Moinard
- Développement Embryonnaire, Fertilité, Environnement (DEFE), INSERM UMR 1203, Université de Toulouse et Université de Montpellier, Montpellier, France.,CECOS, Groupe d'Activité de Médecine de la Reproduction, CHU Toulouse, Hôpital Paule de Viguier, Toulouse, France
| | - Elsa Suberbielle
- Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), INSERM, CNRS, UPS, Université de Toulouse, Toulouse, France
| | - Jacques Izopet
- Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), INSERM, CNRS, UPS, Université de Toulouse, Toulouse, France.,Laboratoire de Virologie, CHU Toulouse, Hôpital Purpan, Toulouse, France
| | - Charlotte Tscherning
- Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), INSERM, CNRS, UPS, Université de Toulouse, Toulouse, France
| | - Graça Raposo
- CNRS UMR 144, Structure et Compartiments Membranaires, Institut Curie, Université Paris Sciences et Lettres, Paris, France.,CNRS UMR 144, Plateforme d'Imagerie Cellulaire et Tissulaire (PICT-IBiSA), Institut Curie, Université Paris Sciences et Lettres, Paris, France
| | - Daniel Gonzalez-Dunia
- Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), INSERM, CNRS, UPS, Université de Toulouse, Toulouse, France
| | - Gisela D'Angelo
- CNRS UMR 144, Structure et Compartiments Membranaires, Institut Curie, Université Paris Sciences et Lettres, Paris, France
| | - Cécile E Malnou
- Institut Toulousain des Maladies Infectieuses et Inflammatoires (Infinity), INSERM, CNRS, UPS, Université de Toulouse, Toulouse, France
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25
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Sammar M, Siwetz M, Meiri H, Sharabi-Nov A, Altevogt P, Huppertz B. Reduced Placental CD24 in Preterm Preeclampsia Is an Indicator for a Failure of Immune Tolerance. Int J Mol Sci 2021; 22:ijms22158045. [PMID: 34360811 PMCID: PMC8348750 DOI: 10.3390/ijms22158045] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 07/18/2021] [Accepted: 07/21/2021] [Indexed: 12/24/2022] Open
Abstract
INTRODUCTION CD24 is a mucin-like glycoprotein expressed at the surface of hematopoietic and tumor cells and was recently shown to be expressed in the first trimester placenta. As it was postulated as an immune suppressor, CD24 may contribute to maternal immune tolerance to the growing fetus. Preeclampsia (PE), a major pregnancy complication, is linked to reduced immune tolerance. Here, we explored the expression of CD24 in PE placenta in preterm and term cases. METHODS Placentas were derived from first and early second trimester social terminations (N = 43), and third trimester normal term delivery (N = 67), preterm PE (N = 18), and preterm delivery (PTD) (N = 6). CD24 expression was determined by quantitative polymerase chain reaction (qPCR) and Western blotting. A smaller cohort included 3-5 subjects each of term and early PE, and term and preterm delivery controls analyzed by immunohistochemistry. RESULTS A higher expression (2.27-fold) of CD24 mRNA was determined in the normal term delivery compared to first and early second trimester cases. The mRNA of preterm PE cases was only higher by 1.31-fold compared to first and early second trimester, while in the age-matched PTD group had a fold increase of 5.72, four times higher compared to preterm PE. The delta cycle threshold (ΔCt) of CD24 mRNA expression in the preterm PE group was inversely correlated with gestational age (r = 0.737) and fetal size (r = 0.623), while correlation of any other group with these parameters was negligible. Western blot analysis revealed that the presence of CD24 protein in placental lysate of preterm PE was significantly reduced compared to term delivery controls (p = 0.026). In immunohistochemistry, there was a reduction of CD24 staining in villous trophoblast in preterm PE cases compared to gestational age-matched PTD cases (p = 0.042). Staining of PE cases at term was approximately twice higher compared to preterm PE cases (p = 0.025) but not different from normal term delivery controls. CONCLUSION While higher CD24 mRNA expression levels were determined for normal term delivery compared to earlier pregnancy stages, this expression level was found to be lower in preterm PE cases, and could be said to be linked to reduced immune tolerance in preeclampsia.
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Affiliation(s)
- Marei Sammar
- Prof. Ephraim Katzir’s Department of Biotechnology Engineering, ORT Braude College, 51 Snunit St, Karmiel 2161002, Israel
- Correspondence: ; Tel.: +972-(04)-9901769; Fax: +972-(04)990171
| | - Monika Siwetz
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center, Medical University of Graz, Neue Stiftingtalstr. 6/II, 8010 Graz, Austria; (M.S.); (B.H.)
| | - Hamutal Meiri
- Hylabs, Rehovot and TeleMarpe, 21 Beit El St., Tel Aviv 6908742, Israel;
| | - Adi Sharabi-Nov
- Ziv Medical Center, Safed, and Tel Hai College, Tel Hai 1220800, Israel;
| | - Peter Altevogt
- Skin Cancer Unit, DKFZ and Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Theodor-Kutzer-Ufer 1–3, 68167 Mannheim, Germany;
| | - Berthold Huppertz
- Division of Cell Biology, Histology and Embryology, Gottfried Schatz Research Center, Medical University of Graz, Neue Stiftingtalstr. 6/II, 8010 Graz, Austria; (M.S.); (B.H.)
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26
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Sialic Acid-Siglec Axis in Human Immune Regulation, Involvement in Autoimmunity and Cancer and Potential Therapeutic Treatments. Int J Mol Sci 2021; 22:ijms22115774. [PMID: 34071314 PMCID: PMC8198044 DOI: 10.3390/ijms22115774] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/26/2021] [Accepted: 05/26/2021] [Indexed: 12/12/2022] Open
Abstract
Siglecs are sialic acid-binding immunoglobulin-like lectins. Most Siglecs function as transmembrane receptors mainly expressed on blood cells in a cell type-specific manner. They recognize and bind sialic acids in specific linkages on glycoproteins and glycolipids. Since Sia is a self-molecule, Siglecs play a role in innate immune responses by distinguishing molecules as self or non-self. Increasing evidence supports the involvement of Siglecs in immune signaling representing immune checkpoints able to regulate immune responses in inflammatory diseases as well as cancer. Although further studies are necessary to fully understand the involvement of Siglecs in pathological conditions as well as their interactions with other immune regulators, the development of therapeutic approaches that exploit these molecules represents a tremendous opportunity for future treatments of several human diseases, as demonstrated by their application in several clinical trials. In the present review, we discuss the involvement of Siglecs in the regulation of immune responses, with particular focus on autoimmunity and cancer and the chance to target the sialic acid-Siglec axis as novel treatment strategy.
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27
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Qiao LY, Li HB, Zhang Y, Shen D, Liu P, Che YQ. CD24 Contributes to Treatment Effect in ABC-DLBCL Patients with R-CHOP Resistance. PHARMACOGENOMICS & PERSONALIZED MEDICINE 2021; 14:591-599. [PMID: 34079334 PMCID: PMC8165940 DOI: 10.2147/pgpm.s310816] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 04/29/2021] [Indexed: 12/11/2022]
Abstract
Purpose Diffuse large B-cell lymphoma (DLBCL) is the most common non-Hodgkin's lymphoma and of which the prognosis of activated B-cell-like (ABC) subtype is poor. Although R-CHOP significantly improves the survival of patients with DLBCL, 20% to 40% of patients were resistant to R-CHOP therapy. Thus, screening for candidate therapeutic targets for R-CHOP resistant patients is urgent. The previous researches have shown that CD24 is related to the development, invasion, and metastasis of cancer. Our project aims to clarify the relationship between CD24 and ABC-DLBCL. Patients and Methods The expression of CD24 mRNA in 118 ABC-DLBCL cases treated with R-CHOP was detected by RNAscope, and the relationship between CD24 expression and R-CHOP treatment response was analyzed. The correlation between CD24 expression and treatment efficiency was further analyzed by data downloaded from the Gene Expression Omnibus (GEO) database. The association between CD24 expression and immune response was conducted using Cell-type Identification By Estimating Relative Subsets Of RNA Transcripts (CIBERSORT) methodology and Gene Ontology (GO) biological process (BP) analysis. Results The positive expression rate of CD24 mRNA in ABC-DLBCL patients was 38.1% (45/118). Complete Response (CR) rate was significantly higher in patients with CD24 high expression than those with CD24 low expression (P=0.039; 44.4% vs 26.0%). CR rate was significantly different between CD24 high and low expression groups in the analysis of GEO datasets (P=0.003; 83.2% vs 58.0%). The CD24 high expression patients had significantly lower proportions of T cells and nonspecific immune cells in the CIBERSORT analysis. In addition, T-helper 2 cell differentiation and monocyte chemotaxis were repressed in CD24 high expression group in the GO BP analysis. Conclusion CD24 was correlated with better R-CHOP treatment response and tumor immunosuppression in ABC-DLBCL. CD24 may be a promising signal in treatment and prognosis evaluation in ABC-DLBCL patients.
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Affiliation(s)
- Li-Yan Qiao
- Department of Stomatology, Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, People's Republic of China
| | - Han-Bing Li
- Department of Clinical Laboratory, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, People's Republic of China
| | - Yue Zhang
- Department of Clinical Laboratory, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, People's Republic of China
| | - Di Shen
- Department of Clinical Laboratory, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, People's Republic of China
| | - Peng Liu
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, People's Republic of China
| | - Yi-Qun Che
- Department of Clinical Laboratory, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, People's Republic of China
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28
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Campos-Múzquiz LG, Méndez-Olvera ET, Martínez MP, Martínez-Gómez D. Campylobacter fetus Induced Proinflammatory Response in Bovine Endometrial Epithelial Cells. Pol J Microbiol 2021; 70:99-106. [PMID: 33815531 PMCID: PMC8008763 DOI: 10.33073/pjm-2021-009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 01/26/2021] [Accepted: 01/26/2021] [Indexed: 11/24/2022] Open
Abstract
Campylobacter fetus subsp. fetus is the causal agent of sporadic abortion in bovines and infertility that produces economic losses in livestock. In many infectious diseases, the immune response has an important role in limiting the invasion and proliferation of bacterial pathogens. Innate immune sensing of microorganisms is mediated by pattern-recognition receptors (PRRs) that identify pathogen-associated molecular patterns (PAMPs) and induces the secretion of several proinflammatory cytokines, like IL-1β, TNF-α, and IL-8. In this study, the expression of IL-1β, TNF-α, IL-8, and IFN-γ in bovine endometrial epithelial cells infected with C. fetus and Salmonella Typhimurium (a bacterial invasion control) was analyzed. The results showed that expression levels of IL-1β and IL-8 were high at the beginning of the infection and decreased throughout the intracellular period. Unlike in this same assay, the expression levels of IFN-γ increased through time and reached the highest peak at 4 hours post infection. In cells infected with S. Typhimurium, the results showed that IL8 expression levels were highly induced by infection but not IFN-γ. In cells infected with S. Typhimurium or C. fetus subsp. fetus, the results showed that TNF-α expression did not show any change during infection. A cytoskeleton inhibition assay was performed to determine if cytokine expression was modified by C. fetus subsp. fetus intracellular invasion. IL-1β and IL-8 expression were downregulated when an intracellular invasion was avoided. The results obtained in this study suggest that bovine endometrial epithelial cells could recognize C. fetus subsp. fetus resulting in early proinflammatory response.
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Affiliation(s)
| | - Estela Teresita Méndez-Olvera
- Laboratorio de Biología Molecular, Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana Xochimilco, México
| | - Monika Palacios Martínez
- Laboratorio de Biología Molecular, Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana Xochimilco, México
| | - Daniel Martínez-Gómez
- Laboratorio de Microbiología Agropecuaria, Departamento de Producción Agrícola y Animal, Universidad Autónoma Metropolitana Xochimilco, México
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29
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Li C, Xu X, Wei S, Jiang P, Xue L, Wang J. Tumor-associated macrophages: potential therapeutic strategies and future prospects in cancer. J Immunother Cancer 2021; 9:jitc-2020-001341. [PMID: 33504575 PMCID: PMC8728363 DOI: 10.1136/jitc-2020-001341] [Citation(s) in RCA: 106] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/06/2020] [Indexed: 12/11/2022] Open
Abstract
Macrophages are the most important phagocytes in vivo. However, the tumor microenvironment can affect the function and polarization of macrophages and form tumor-associated macrophages (TAMs). Usually, the abundance of TAMs in tumors is closely associated with poor prognosis. Preclinical studies have identified important pathways regulating the infiltration and polarization of TAMs during tumor progression. Furthermore, potential therapeutic strategies targeting TAMs in tumors have been studied, including inhibition of macrophage recruitment to tumors, functional repolarization of TAMs toward an antitumor phenotype, and other therapeutic strategies that elicit macrophage-mediated extracellular phagocytosis and intracellular destruction of cancer cells. Therefore, with the increasing impact of tumor immunotherapy, new antitumor strategies to target TAMs are now being discussed.
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Affiliation(s)
- Chunxiao Li
- Department of Radiation Oncology, Peking University Third Hospital, Beijing, China
| | - Xiaofei Xu
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China.,Department of Obstetrics and Gynecology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Shuhua Wei
- Department of Radiation Oncology, Peking University Third Hospital, Beijing, China
| | - Ping Jiang
- Department of Radiation Oncology, Peking University Third Hospital, Beijing, China
| | - Lixiang Xue
- Department of Radiation Oncology, Peking University Third Hospital, Beijing, China
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30
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Functions and therapeutic targets of Siglec-mediated infections, inflammations and cancers. J Formos Med Assoc 2021; 120:5-24. [DOI: 10.1016/j.jfma.2019.10.019] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 06/11/2019] [Accepted: 10/28/2019] [Indexed: 12/20/2022] Open
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31
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Chang L, Yang HW, Lin TY, Yang KD. Perspective of Immunopathogenesis and Immunotherapies for Kawasaki Disease. Front Pediatr 2021; 9:697632. [PMID: 34350146 PMCID: PMC8326331 DOI: 10.3389/fped.2021.697632] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 06/22/2021] [Indexed: 12/13/2022] Open
Abstract
Kawasaki Disease (KD) is an acute inflammatory illness that mostly occurs in children below 5 years of age, with intractable fever, mucocutaneous lesions, lymphadenopathy, and lesions of the coronary artery (CAL). KD is sharing clinical symptoms with systemic inflammatory syndrome in children (MIS-C) which is related to COVID-19. Certain genes are identified to be associated with KD, but the findings usually differ between countries and races. Human Leukocyte Antigen (HLA) allele types and toll-like receptor (TLR) expression are also correlated to KD. The acute hyperinflammation in KD is mediated by an imbalance between augmented T helper 17 (Th17)/Th1 responses with high levels of interleukin (IL)-6, IL-10, IL-17A, IFN-γ, and IP-10, in contrast to reduced Th2/Treg responses with lower IL-4, IL-5, FoxP3, and TGF-β expression. KD has varying phenotypic variations regarding age, gender, intravenous immunoglobulin (IVIG) resistance, macrophage activation and shock syndrome. The signs of macrophage activation syndrome (MAS) can be interpreted as hyperferritinemia and thrombocytopenia contradictory to thrombocytosis in typical KD; the signs of KD with shock syndrome (KDSS) can be interpreted as overproduction of nitric oxide (NO) and coagulopathy. For over five decades, IVIG and aspirin are the standard treatment for KD. However, some KD patients are refractory to IVIG required additional medications against inflammation. Further studies are proposed to delineate the immunopathogenesis of IVIG-resistance and KDSS, to identify high risk patients with genetic susceptibility, and to develop an ideal treatment regimen, such as by providing idiotypic immunoglobulins to curb cytokine storms, NO overproduction, and the epigenetic induction of Treg function.
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Affiliation(s)
- Lung Chang
- Department of Pediatrics, MacKay Memorial Hospital, Taipei, Taiwan.,Division of Infectious Disease, MacKay Children's Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, New Taipei City, Taiwan.,Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
| | - Horng-Woei Yang
- Department of Medical Research, MacKay Memorial Hospital, New Taipei City, Taiwan
| | - Tang-Yu Lin
- Division of Allergy-Immunology-Rheumatology, MacKay Children's Hospital, Taipei, Taiwan
| | - Kuender D Yang
- Department of Pediatrics, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, New Taipei City, Taiwan.,Department of Medicine, Mackay Medical College, New Taipei City, Taiwan.,Division of Allergy-Immunology-Rheumatology, MacKay Children's Hospital, Taipei, Taiwan.,Department of Microbiology & Immunology, National Defense Medical Center, Taipei, Taiwan.,Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
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32
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Sole-Navais P, Bacelis J, Helgeland Ø, Modzelewska D, Vaudel M, Flatley C, Andreassen O, Njølstad PR, Muglia LJ, Johansson S, Zhang G, Jacobsson B. Autozygosity mapping and time-to-spontaneous delivery in Norwegian parent-offspring trios. Hum Mol Genet 2020; 29:3845-3858. [PMID: 33291140 PMCID: PMC7861013 DOI: 10.1093/hmg/ddaa255] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 11/21/2020] [Accepted: 11/24/2020] [Indexed: 11/18/2022] Open
Abstract
Parental genetic relatedness may lead to adverse health and fitness outcomes in the offspring. However, the degree to which it affects human delivery timing is unknown. We use genotype data from ≃25 000 parent-offspring trios from the Norwegian Mother, Father and Child Cohort Study to optimize runs of homozygosity (ROH) calling by maximizing the correlation between parental genetic relatedness and offspring ROHs. We then estimate the effect of maternal, paternal and fetal autozygosity and that of autozygosity mapping (common segments and gene burden test) on the timing of spontaneous onset of delivery. The correlation between offspring ROH using a variety of parameters and parental genetic relatedness ranged between −0.2 and 0.6, revealing the importance of the minimum number of genetic variants included in an ROH and the use of genetic distance. The optimized compared to predefined parameters showed a ≃45% higher correlation between parental genetic relatedness and offspring ROH. We found no evidence of an effect of maternal, paternal nor fetal overall autozygosity on spontaneous delivery timing. Yet, through autozygosity mapping, we identified three maternal loci TBC1D1, SIGLECs and EDN1 gene regions reducing the median time-to-spontaneous onset of delivery by ≃2–5% (P-value < 2.3 × 10−6). We also found suggestive evidence of a fetal locus at 3q22.2, near the RYK gene region (P-value = 2.0 × 10−6). Autozygosity mapping may provide new insights on the genetic determinants of delivery timing beyond traditional genome-wide association studies, but particular and rigorous attention should be given to ROH calling parameter selection.
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Affiliation(s)
- Pol Sole-Navais
- Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg 41685, Sweden
| | - Jonas Bacelis
- Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg 41685, Sweden
| | - Øyvind Helgeland
- Center for Diabetes Research, Department of Clinical Science, University of Bergen, 5020 Bergen, Norway.,Division of Health Data and Digitalization, Department of Genetics and Bioinformatics, Norwegian Institute of Public Health, Oslo 0213, Norway
| | - Dominika Modzelewska
- Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg 41685, Sweden
| | - Marc Vaudel
- Center for Diabetes Research, Department of Clinical Science, University of Bergen, 5020 Bergen, Norway.,Department of Pediatrics and Adolescents, Haukeland University Hospital, Bergen 5021, Norway
| | - Christopher Flatley
- Division of Health Data and Digitalization, Department of Genetics and Bioinformatics, Norwegian Institute of Public Health, Oslo 0213, Norway
| | - Ole Andreassen
- NORMENT, University of Oslo, Oslo 0450, Norway.,Division of Mental Health and Addiction, Oslo University Hospital, Oslo 0450, Norway.,Department of Psychiatry, University of California San Diego, San Diego, CA 92093, USA
| | - Pål R Njølstad
- Center for Diabetes Research, Department of Clinical Science, University of Bergen, 5020 Bergen, Norway.,Department of Pediatrics and Adolescents, Haukeland University Hospital, Bergen 5021, Norway
| | - Louis J Muglia
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA.,Division of Human Genetics, The Center for Prevention of Preterm Birth, Perinatal Institute, March of Dimes Prematurity Research Center Ohio Collaborative, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45267, USA
| | - Stefan Johansson
- Center for Diabetes Research, Department of Clinical Science, University of Bergen, 5020 Bergen, Norway.,Center for Medical Genetics, Haukeland University Hospital, Bergen 5021, Norway
| | - Ge Zhang
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA.,Division of Human Genetics, The Center for Prevention of Preterm Birth, Perinatal Institute, March of Dimes Prematurity Research Center Ohio Collaborative, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45267, USA
| | - Bo Jacobsson
- Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg 41685, Sweden.,Division of Health Data and Digitalization, Department of Genetics and Bioinformatics, Norwegian Institute of Public Health, Oslo 0213, Norway.,Department of Obstetrics and Gynecology, Sahlgrenska University Hospital, Gothenburg 41685, Sweden
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33
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Altevogt P, Sammar M, Hüser L, Kristiansen G. Novel insights into the function of CD24: A driving force in cancer. Int J Cancer 2020; 148:546-559. [PMID: 32790899 DOI: 10.1002/ijc.33249] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 07/23/2020] [Accepted: 07/28/2020] [Indexed: 12/12/2022]
Abstract
CD24 is a highly glycosylated protein with a small protein core that is linked to the plasma membrane via a glycosyl-phosphatidylinositol anchor. CD24 is primarily expressed by immune cells but is often overexpressed in human tumors. In cancer, CD24 is a regulator of cell migration, invasion and proliferation. Its expression is associated with poor prognosis and it is used as cancer stemness marker. Recently, CD24 on tumor cells was identified as a phagocytic inhibitor ("do not eat me" signal) having a suppressive role in tumor immunity via binding to Siglec-10 on macrophages. This finding is reminiscent of the demonstration that soluble CD24-Fc can dampen the immune system in autoimmune disease. In the present review, we summarize recent progress on the role of the CD24-Siglec-10 binding axis at the interface between tumor cells and the immune system, and the role of CD24 genetic polymorphisms in cancer. We describe the specific function of cytoplasmic CD24 and discuss the presence of CD24 on tumor-released extracellular vesicles. Finally, we evaluate the potential of CD24-based immunotherapy.
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Affiliation(s)
- Peter Altevogt
- Skin Cancer Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Mannheim, Germany
| | - Marei Sammar
- ORT Braude College for Engineering, Karmiel, Israel
| | - Laura Hüser
- Skin Cancer Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany.,Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Mannheim, Germany
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34
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Yin SS, Gao FH. Molecular Mechanism of Tumor Cell Immune Escape Mediated by CD24/Siglec-10. Front Immunol 2020; 11:1324. [PMID: 32765491 PMCID: PMC7379889 DOI: 10.3389/fimmu.2020.01324] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 05/26/2020] [Indexed: 12/11/2022] Open
Abstract
Tumor immune escape is an important part of tumorigenesis and development. Tumor cells can develop a variety of immunosuppressive mechanisms to combat tumor immunity. Exploring tumor cells that escape immune surveillance through the molecular mechanism of related immunosuppression in-depth is helpful to develop the treatment strategies of targeted tumor immune escape. The latest studies show that CD24 on the surface of tumor cells interacts with Siglec-10 on the surface of immune cells to promote the immune escape of tumor cells. It is necessary to comment on the molecular mechanism of inhibiting the activation of immune cells through the interaction between CD24 on tumor cells and Siglec-10 on immune cells, and a treatment strategy of tumors through targeting CD24 on the surface of tumor cells or Siglec-10 on immune cells.
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Affiliation(s)
- Shan-Shan Yin
- Department of Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Feng-Hou Gao
- Department of Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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35
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Unveiling Molecular Recognition of Sialoglycans by Human Siglec-10. iScience 2020; 23:101231. [PMID: 32629603 PMCID: PMC7306591 DOI: 10.1016/j.isci.2020.101231] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/20/2020] [Accepted: 05/29/2020] [Indexed: 12/17/2022] Open
Abstract
Siglec-10 is an inhibitory I-type lectin selectively recognizing sialoglycans exposed on cell surfaces, involved in several patho-physiological processes. The key role Siglec-10 plays in the regulation of immune cell functions has made it a potential target for the development of immunotherapeutics against a broad range of diseases. However, the crystal structure of the protein has not been resolved for the time being and the atomic description of Siglec-10 interactions with complex glycans has not been previously unraveled. We present here the first insights of the molecular mechanisms regulating the interaction between Siglec-10 and naturally occurring sialoglycans. We used combined spectroscopic, computational and biophysical approaches to dissect glycans' epitope mapping and conformation upon binding in order to afford a description of the 3D complexes. Our outcomes provide a structural perspective for the rational design and development of high-affinity ligands to control the receptor functionality. We unveiled the molecular basis of sialoglycans recognition by Siglec-10 The conformation of sialoglycans drives the interaction with the protein Siglec-10 is able to recognize and bind complex N-glycans Our outcomes may open the venue for the design and development of novel glycomimetics
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36
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Tecle E, Reynoso HS, Wang R, Gagneux P. The female reproductive tract contains multiple innate sialic acid-binding immunoglobulin-like lectins (Siglecs) that facilitate sperm survival. J Biol Chem 2019; 294:11910-11919. [PMID: 31201275 PMCID: PMC6682739 DOI: 10.1074/jbc.ra119.008729] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 05/27/2019] [Indexed: 12/15/2022] Open
Abstract
A sperm that fertilizes an egg has successfully survived multiple checkpoints within the female reproductive tract, termed pre-fertilization events. The leukocytic response is a pre-fertilization event in which sperm trigger an immune response that promotes homing of circulating leukocytes to the uterine lumen to destroy most sperm. Various glycoconjugates decorate the sperm surface, including sialic acids, which are abundant at the sperm surface where they cap most glycan chains and regulate sperm migration through cervical mucus, formation of the sperm oviductal reservoir, and sperm capacitation. However, the role of sperm-associated sialic acids in the leukocytic reaction remains unknown. The cognate endogenous binding partners of sialic acids, sialic acid-binding immunoglobulin-like lectins (Siglecs) play a pivotal role in regulating many immune responses. Here we investigated whether sperm-associated sialic acids inhibit activation of neutrophils, one of the major immune cells involved in the leukocytic reaction. We used in vitro interactions between sperm and neutrophils as well as binding assays between sperm and recombinant Siglec-Fc chimeric proteins to measure interactions. Moreover, we examined whether Siglecs are expressed on human and mouse endometria, which have a role in initiating the leukocytic reaction. Surprisingly less sialylated, capacitated, sperm did not increase neutrophil activation in vitro However, we observed expression of several Siglecs on the endometrium and that these receptors interact with sialylated sperm. Our results indicate that sperm sialic acids may interact with endometrial Siglecs and that these interactions facilitate sperm survival in the face of female immunity.
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Affiliation(s)
- Eillen Tecle
- Department of Pathology, Glycobiology Research and Training Center, University of California San Diego, San Diego, California 92093
| | - Hector Sequoyah Reynoso
- Department of Pathology, Glycobiology Research and Training Center, University of California San Diego, San Diego, California 92093
| | - Ruixuan Wang
- Department of Pathology, Glycobiology Research and Training Center, University of California San Diego, San Diego, California 92093
| | - Pascal Gagneux
- Department of Pathology, Glycobiology Research and Training Center, University of California San Diego, San Diego, California 92093
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37
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Taatjes DJ, Roth J. In focus in HCB. Histochem Cell Biol 2017; 147:543-544. [PMID: 28391396 DOI: 10.1007/s00418-017-1565-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/22/2017] [Indexed: 10/19/2022]
Affiliation(s)
- Douglas J Taatjes
- Department of Pathology and Laboratory Medicine, The University of Vermont College of Medicine, Burlington, VT, 05405, USA.
| | - Jürgen Roth
- University of Zurich, 8091, Zurich, Switzerland
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