Skip to Content

1,836 Results Found

  • Article
  • Open Access
4 Citations
2,876 Views
16 Pages

Peritoneal Expression of Membrane Complement Regulators Is Decreased in Peritoneal Dialysis Patients with Infected Peritonitis

  • Sosuke Fukui,
  • Masashi Mizuno,
  • Mitsuhiro Tawada,
  • Yasuhiro Suzuki and ,
  • Hiroshi Kojima,
  • Yoshihisa Matsukawa,
  • Masaki Imai,
  • Hangsoo Kim,
  • Hiroshi Kinashi and
  • Yasuhiko Ito
  • + 8 authors+ 3 authors

In peritoneal dialysis (PD) patients, fungi and Pseudomonas aeruginosa are considered important causative microorganisms for peritonitis with poor prognosis. Our objective was to explore expressions of membrane complement (C) regulators (CRegs) and t...

(This article belongs to the Section Molecular Pathology, Diagnostics, and Therapeutics)
  • Article
  • Open Access
10 Citations
3,170 Views
22 Pages

Functional and Expressional Analyses Reveal the Distinct Role of Complement Factor I in Regulating Complement System Activation during GCRV Infection in Ctenopharyngodon idella

  • Yi Liu,
  • Zhao Lv,
  • Tiaoyi Xiao,
  • Xuewen Zhang and ,
  • Chunhua Ding,
  • Beibei Qin,
  • Baohong Xu and
  • Qiaolin Liu
  • + 3 authors+ 0 author

26 September 2022

Complement factor I (CFI), a complement inhibitor, is well known for regulating the complement system activation by degrading complement component 3b (C3b) in animal serum, thus becoming involved in innate defense. Nevertheless, the functional mechan...

(This article belongs to the Special Issue Fish Immunology 3.0)
  • Review
  • Open Access
19 Citations
10,892 Views
25 Pages

8 February 2023

Sertoli cells within the testis are instrumental in providing an environment for spermatogenesis and protecting the developing germ cells from detrimental immune responses which could affect fertility. Though these immune responses consist of many im...

(This article belongs to the Special Issue Male Fertility: New Horizons for Investigating Reproductive System Diseases)
  • Review
  • Open Access
555 Views
41 Pages

Complement Signaling and Regulated Cell Death in Immune-Mediated Glomerular Injury

  • Eleni Tzali,
  • Christos Pleros,
  • Kostas Stylianou and
  • Ioannis Petrakis

6 October 2026

The complement system is a central component of innate immunity, with essential roles in host defense, immune complex clearance, apoptotic cell removal, and tissue homeostasis. In the kidney, glomerular and tubular structures are continuously exposed...

(This article belongs to the Section Urology & Nephrology)
  • Review
  • Open Access
3 Citations
4,488 Views
19 Pages

18 October 2023

Although several lines of evidence from different studies highlight sex differences in cardiovascular diseases, to date, most studies have been focused on males, with the idea that males and females are similar, differing only in the magnitude of the...

  • Review
  • Open Access
8 Citations
4,161 Views
17 Pages

Heme (Fe2+-protoporphyrin IX) is a pigment of life, and as a prosthetic group in several hemoproteins, it contributes to diverse critical cellular processes. While its intracellular levels are tightly regulated by networks of heme-binding proteins (H...

(This article belongs to the Topic Blood Physiology: Molecular Mechanisms of Vascular Wall Functioning, 2nd Volume)
  • Article
  • Open Access
5 Citations
5,291 Views
13 Pages

Complement Regulation in Human Tenocytes under the Influence of Anaphylatoxin C5a

  • Sandeep Silawal,
  • Benjamin Kohl,
  • Jingjian Shi and
  • Gundula Schulze-Tanzil

A central part of the complement system, the anaphylatoxin C5a was investigated in this study to learn its effects on tenocytes in respect to understanding the potential expression of other crucial complement factors and pro-inflammatory mediators in...

(This article belongs to the Special Issue Molecular and Tissue Engineering Approaches in Musculoskeletal Regenerative Medicine 3.0)
  • Review
  • Open Access
7 Citations
9,217 Views
20 Pages

25 January 2024

The organs of the male reproductive tract, including the testis, epididymis, prostate, seminal vesicles, and semen, must provide an immunoregulatory environment conducive to germ cell viability and successful fertilization. Many immune components, su...

  • Review
  • Open Access
16 Citations
6,376 Views
22 Pages

Virus-Encoded Complement Regulators: Current Status

  • Anwesha Sinha,
  • Anup Kumar Singh,
  • Trupti Satish Kadni,
  • Jayati Mullick and
  • Arvind Sahu

29 January 2021

Viruses require a host for replication and survival and hence are subjected to host immunological pressures. The complement system, a crucial first response of the host immune system, is effective in targeting viruses and virus-infected cells, and bo...

(This article belongs to the Special Issue Viruses and Complement)
  • Article
  • Open Access
594 Views
20 Pages

Comprehensive Prediction Analysis of Novel Noncoding Regulatory Variants Identified in the MicroRNA Binding Regions in Complement System Genes

  • Anthony Shadid,
  • Haydn E. Rich,
  • Kathryn D. Hok,
  • Marie-Francoise Doursout and ,
  • Marcos I. Restrepo,
  • Nirmal K. Banda,
  • Lavanya Gunamalai and
  • Pooja Shivshankar
  • + 3 authors+ 0 author

The complement system is a central component of innate immunity that coordinates host defense, immune surveillance, and inflammatory responses through tightly regulated proteolytic cascades. Genetic variation within complement genes contributes subst...

(This article belongs to the Topic The Pathogenesis and Treatment of Immune-Mediated Disease)
  • Article
  • Open Access
16 Citations
4,494 Views
13 Pages

Antimicrobial Peptide Arenicin-1 Derivative Ar-1-(C/A) as Complement System Modulator

  • Ilia A. Krenev,
  • Ekaterina S. Umnyakova,
  • Igor E. Eliseev,
  • Yaroslav A. Dubrovskii and ,
  • Nikolay P. Gorbunov,
  • Vladislav A. Pozolotin,
  • Alexei S. Komlev,
  • Pavel V. Panteleev,
  • Sergey V. Balandin and
  • Mikhail N. Berlov
  • + 7 authors+ 2 authors

10 December 2020

Antimicrobial peptides (AMPs) are not only cytotoxic towards host pathogens or cancer cells but also are able to act as immunomodulators. It was shown that some human and non-human AMPs can interact with complement proteins and thereby modulate compl...

(This article belongs to the Special Issue Marine Bioactive Peptides II: Structure, Function, and Therapeutic Potential)
  • Review
  • Open Access
41 Citations
9,385 Views
20 Pages

Candidiasis: Insights into Virulence Factors, Complement Evasion and Antifungal Drug Resistance

  • Nidaa Riaz Gaffar,
  • Nisha Valand and
  • Umakhanth Venkatraman Girija

Invasive fungal infections constitute a substantial global health burden, with invasive candidiasis representing approximately 70% of reported cases worldwide. The emergence of antifungal resistance among Candida species has further exacerbated this...

(This article belongs to the Section Medical Microbiology)
  • Article
  • Open Access
12 Citations
2,977 Views
16 Pages

The Sertoli Cell Complement Signature: A Suspected Mechanism in Xenograft Survival

  • Rachel L. Washburn,
  • Dalia Martinez-Marin,
  • Ksenija Korać,
  • Tyler Sniegowski and ,
  • Alexis R. Rodriguez,
  • Beverly S. Chilton,
  • Taylor Hibler,
  • Kevin Pruitt,
  • Yangzom D. Bhutia and
  • Jannette M. Dufour
  • + 5 authors+ 0 author

18 January 2023

The complement system is an important component of transplant rejection. Sertoli cells, an immune regulatory testicular cell, survive long-term when transplanted across immunological barriers; thus, understanding the mechanisms behind this unique sur...

(This article belongs to the Section Molecular Immunology)
  • Article
  • Open Access
6 Citations
3,319 Views
17 Pages

Analysing the Cyanobacterial PipX Interaction Network Using NanoBiT Complementation in Synechococcus elongatus PCC7942

  • Carmen Jerez,
  • Antonio Llop,
  • Paloma Salinas,
  • Sirine Bibak and ,
  • Karl Forchhammer and
  • Asunción Contreras
  • + 1 author+ 0 author

The conserved cyanobacterial protein PipX is part of a complex interaction network with regulators involved in essential processes that include metabolic homeostasis and ribosome assembly. Because PipX interactions depend on the relative levels of th...

(This article belongs to the Special Issue Advances in Protein-Protein Interactions—2nd Edition)
  • Article
  • Open Access
4 Citations
2,923 Views
9 Pages

Changes in Expression of Complement Components in the Ovine Spleen during Early Pregnancy

  • Ling Yang,
  • Luyu Wang,
  • Jiaxuan Wu,
  • Haichao Wang and ,
  • Gengxin Yang and
  • Leying Zhang
  • + 1 author+ 0 author

8 November 2021

During early gestation in humans, complement regulation is essential for normal fetal growth. It is supposed that a complement pathway participates in maternal splenic immune regulation at the early stage of gestation in ewes. The aim of this study w...

(This article belongs to the Special Issue Advances in Animal Fertility Preservation)
  • Article
  • Open Access
7 Citations
3,016 Views
20 Pages

Sertoli Cells Express Accommodation, Survival, and Immunoregulatory Factors When Exposed to Normal Human Serum

  • Rachel L. Washburn,
  • Dalia Martinez-Marin,
  • Tyler Sniegowski,
  • Ksenija Korać and ,
  • Alexis R. Rodriguez,
  • Jonathan M. Miranda,
  • Beverly S. Chilton,
  • Robert K. Bright,
  • Kevin Pruitt and
  • Jannette M. Dufour
  • + 6 authors+ 1 author

Transplantation is a clinical procedure that treats a variety of diseases yet is unattainable for many patients due to a nationwide organ shortage and the harsh side effects of chronic immune suppression. Xenografted pig organs are an attractive alte...

(This article belongs to the Section Immunology and Immunotherapy)
  • Article
  • Open Access
1 Citations
3,036 Views
22 Pages

Molecular Analysis of Aggregatibacter actinomycetemcomitans ApiA, a Multi-Functional Protein

  • Sera Jacob,
  • Luciana Gusmao,
  • Dipti Godboley,
  • Senthil Kumar Velusamy and ,
  • Nisha George,
  • Helen Schreiner,
  • Carla Cugini and
  • Daniel H. Fine
  • + 3 authors+ 0 author

18 November 2024

Aggregatibacter actinomycetemcomitans ApiA is a trimeric autotransporter outer membrane protein (Omp) that participates in multiple functions, enabling A. actinomycetemcomitans to adapt to a variety of environments. The goal of this study is to ident...

(This article belongs to the Special Issue Aggregatibacter actinomycetemcomitans: A D-3 (Dysbiosis, Damage, Disease) Periodontal Pathobiont)
  • Article
  • Open Access
2,611 Views
20 Pages

23 February 2025

Metalloporphyrins (MPs) that induce heme oxygenase (HO)-1 were shown to attenuate complement-mediated glomerular injury, with cobalt protoporphyrin IX (CoPPIX) being the most effective. To decipher the efficacy between CoPPIX and its constituents (Co...

  • Review
  • Open Access
1,257 Views
16 Pages

17 April 2026

Liver diseases, ranging from chronic hepatitis and metabolic dysfunction to cirrhosis and hepatocellular carcinoma, represent a major global public health burden. As an immune-privileged organ, the liver harbors a unique and intricate immune microenv...

(This article belongs to the Section Human Virology and Viral Diseases)
  • Review
  • Open Access
293 Views
60 Pages

Immune Evasion Strategies of Human Poxviruses: A Roadmap for Engineering Low-Immunogenic CAR-Based and iPSC-Derived Cell Products

  • Daniil O. Antonov,
  • Marina Yu. Loguinova,
  • Hui Fan,
  • Elena V. Sazonova and ,
  • Anastasiia O. Sosnovtseva,
  • Dmitry S. Karpov,
  • Artem D. Molchanov,
  • Vladimir N. Nikolenko,
  • Vladimir P. Chekhonin and
  • Natalia G. Mokrysheva
  • + 5 authors+ 0 author

19 October 2026

Allogeneic chimeric antigen receptor (CAR)-based cell products and induced pluripotent stem cell (iPSC)-derived regenerative grafts increasingly use multilayer immune engineering. Current strategies are strongest against direct human leukocyte antige...

(This article belongs to the Special Issue Gene and Cell Therapy in Regenerative Medicine—Third Edition)
  • Review
  • Open Access
822 Views
24 Pages

Lymphoid-like Suppressive Microglia in Alzheimer’s Disease: A New Neuroimmune Regulatory Axis?

  • James Chmiel,
  • Wiktor Gawełczyk,
  • Julia Soczyńska and
  • Jerzy Leszek

24 June 2026

Microglia are central regulators of Alzheimer’s disease pathogenesis, but their roles cannot be reduced to a simple protective-versus-harmful dichotomy. Genetic, single-cell, and spatial studies have shown that Alzheimer ’s-associated mic...

(This article belongs to the Special Issue Aging and Neurodegeneration: Molecular Insights and Emerging Strategies)
  • Article
  • Open Access
64 Citations
10,142 Views
18 Pages

Highly Efficient Protoplast Isolation and Transient Expression System for Functional Characterization of Flowering Related Genes in Cymbidium Orchids

  • Rui Ren,
  • Jie Gao,
  • Chuqiao Lu,
  • Yonglu Wei and ,
  • Jianpeng Jin,
  • Sek-Man Wong,
  • Genfa Zhu and
  • Fengxi Yang
  • + 3 authors+ 0 author

Protoplast systems have been proven powerful tools in modern plant biology. However, successful preparation of abundant viable protoplasts remains a challenge for Cymbidium orchids. Herein, we established an efficient protoplast isolation protocol fr...

(This article belongs to the Special Issue Cell-Specificity in Plants)
  • Review
  • Open Access
6 Citations
4,441 Views
19 Pages

The Emerging Roles of Extracellular Chaperones in Complement Regulation

  • Nicholas J. Geraghty,
  • Sandeep Satapathy and
  • Mark R. Wilson

2 December 2022

The immune system is essential to protect organisms from internal and external threats. The rapidly acting, non-specific innate immune system includes complement, which initiates an inflammatory cascade and can form pores in the membranes of target c...

(This article belongs to the Special Issue Extracellular and Organismal Proteostasis)
  • Review
  • Open Access
143 Citations
24,510 Views
30 Pages

Factor H: A Complement Regulator in Health and Disease, and a Mediator of Cellular Interactions

  • Anne Kopp,
  • Mario Hebecker,
  • Eliška Svobodová and
  • Mihály Józsi

7 February 2012

Complement is an essential part of innate immunity as it participates in host defense against infections, disposal of cellular debris and apoptotic cells, inflammatory processes and modulation of adaptive immune responses. Several soluble and membran...

(This article belongs to the Special Issue Feature Papers)
  • Review
  • Open Access
92 Citations
21,045 Views
37 Pages

The Lectin Pathway of the Complement System—Activation, Regulation, Disease Connections and Interplay with Other (Proteolytic) Systems

  • József Dobó,
  • Andrea Kocsis,
  • Bence Farkas,
  • Flóra Demeter and ,
  • László Cervenak and
  • Péter Gál
  • + 1 author+ 0 author

26 January 2024

The complement system is the other major proteolytic cascade in the blood of vertebrates besides the coagulation–fibrinolytic system. Among the three main activation routes of complement, the lectin pathway (LP) has been discovered the latest,...

(This article belongs to the Special Issue The Role of Protease and Protease Inhibitors in Human Diseases)
  • Article
  • Open Access
8 Citations
3,158 Views
18 Pages

Proteomic and In Silico Analyses Highlight Complement System’s Role in Bladder Cancer Immune Regulation

  • Tuğcan Korak,
  • İbrahim Halil Baloğlu,
  • Murat Kasap,
  • Elif Damla Arisan and ,
  • Gurler Akpinar and
  • Serdar Arisan
  • + 1 author+ 0 author

16 April 2025

Background and Objectives: Bladder cancer (BLCA), intimately associated with the immune system, represents a substantial global health burden due to its high recurrence rates and limited therapeutic effectiveness. Although immunotherapy shows promise...

(This article belongs to the Special Issue Diagnosis and Treatment of Urologic Oncology)
  • Article
  • Open Access
50 Citations
5,948 Views
19 Pages

Complement C3 Regulates Inflammatory Response and Monocyte/Macrophage Phagocytosis of Streptococcus agalactiae in a Teleost Fish

  • Hao Bai,
  • Liangliang Mu,
  • Li Qiu,
  • Nuo Chen and ,
  • Jiadong Li,
  • Qingliang Zeng,
  • Xiaoxue Yin and
  • Jianmin Ye
  • + 3 authors+ 0 author

9 December 2022

The complement system is composed of a complex protein network and is pivotal to innate immunity. Complement 3 (C3) is a critical protein in the complement cascade and participates in complement activation and immune defense. In this study, C3 from N...

(This article belongs to the Special Issue Fish Immunology 3.0)
  • Review
  • Open Access
1 Citations
918 Views
15 Pages

Sialic Acids in Kidney Disease: Immune Regulation, Complement Activation and Glomerular Injury

  • Agnese Spennacchio,
  • Gianluca Caridi,
  • Carolina Bigatti,
  • Gabriele Gaggero and ,
  • Katia Mazzocco,
  • Maria Teresa Gambaudo,
  • Roberta Musso,
  • Valerio Gaetano Vellone,
  • Andrea Angeletti and
  • Xhuliana Kajana
  • + 5 authors+ 0 author

Oxidative stress and inflammation are key drivers of kidney injury and disease progression. In this context, the role of sialic acids emerged as a critical regulatory layer linking redox imbalance, immune activation, and tissue damage. Sialic acids a...

(This article belongs to the Special Issue Oxidative Stress and Inflammation in Kidney Diseases)
  • Review
  • Open Access
46 Citations
12,352 Views
14 Pages

26 December 2014

The recent revolution in age-related macular degeneration (AMD) genetics has demonstrated that genetic alterations affecting the alternative pathway of the complement cascade have a major influence on AMD risk. One of the two most important genetic l...

(This article belongs to the Special Issue Age-Related Macular Disease)
  • Review
  • Open Access
24 Citations
12,755 Views
23 Pages

23 July 2012

In the natural world, there are many creatures with venoms that have interesting and varied activities. Although the sea anemone, a member of the phylum Coelenterata, has venom that it uses to capture and immobilise small fishes and shrimp and for pr...

(This article belongs to the Special Issue Sea Anemone Toxins)
  • Systematic Review
  • Open Access
6 Citations
3,073 Views
14 Pages

22 May 2024

Background: Asthma is a chronic inflammatory airway disease characterized by recurrent symptoms in response to a wide range of external stimuli, including allergens, viral infections, and air pollution together with internal host-derived danger signa...

(This article belongs to the Section Respiratory Medicine)
  • Article
  • Open Access
2 Citations
2,658 Views
17 Pages

TMT-Based Proteomics Reveal the Mechanism of Action of Amygdalin against Rheumatoid Arthritis in a Rat Model through Regulation of Complement and Coagulation Cascades

  • Lan Zhou,
  • Jun-Hong Chai,
  • Yi Zhang,
  • Xiao-Jie Jing and ,
  • Xiang-Wen Kong,
  • Jun Liang and
  • Yong-Gang Xia
  • + 2 authors+ 0 author

17 October 2023

The limitations of current medications for treating rheumatoid arthritis (RA) emphasize the urgent need for the development of new drugs. This study aimed to investigate the potential anti-RA mechanism of amygdalin using tandem mass tag (TMT)-based q...

  • Article
  • Open Access
28 Citations
4,396 Views
15 Pages

Transcriptome Analysis of Post-Mortem Brain Tissue Reveals Up-Regulation of the Complement Cascade in a Subgroup of Schizophrenia Patients

  • Eva Lindholm Carlström,
  • Adnan Niazi,
  • Mitra Etemadikhah,
  • Jonatan Halvardson and ,
  • Stefan Enroth,
  • Craig A. Stockmeier,
  • Grazyna Rajkowska,
  • Bo Nilsson and
  • Lars Feuk
  • + 4 authors+ 0 author

13 August 2021

Schizophrenia is a genetically complex neuropsychiatric disorder with largely unresolved mechanisms of pathology. Identification of genes and pathways associated with schizophrenia is important for understanding the development, progression and treat...

(This article belongs to the Section Human Genomics and Genetic Diseases)
  • Review
  • Open Access
8 Citations
3,157 Views
16 Pages

The Pleiotropic Effect of Complement C5a-C5aR1 Pathway in Diseases: From Immune Regulation to Targeted Therapy

  • Baohong Xu,
  • Zhi Zhou,
  • Yang Xiao,
  • Qiaolin Liu and ,
  • Tiaoyi Xiao,
  • Zhao Lv and
  • Hongquan Wang
  • + 2 authors+ 0 author

3 December 2025

The complement system plays a pivotal role in the body’s immune defense mechanism. Its key effector molecule C5a and its primary receptor C5aR1 exhibit complex “double-edged sword” effects in various disease processes, including inf...

(This article belongs to the Special Issue Advances in Pro-Inflammatory and Anti-Inflammatory Cytokines)
  • Article
  • Open Access
2 Citations
3,323 Views
19 Pages

Complement Regulation in Immortalized Fibroblast-like Synoviocytes and Primary Human Endothelial Cells in Response to SARS-CoV-2 Nucleocapsid Protein and Pro-Inflammatory Cytokine TNFα

  • Vincent Franke,
  • Sophie Meyer,
  • Gundula Gesine Schulze-Tanzil,
  • Tobias Braun and ,
  • Maria Kokozidou,
  • Theodor Fischlein and
  • Sandeep Silawal
  • + 2 authors+ 0 author

30 September 2022

Background: Case reports are available showing that patients develop symptoms of acute arthritis during or after recovery from SARS-CoV-2 infection. Since the interrelation is still unknown, our aim was to study the impact of the SARS-CoV-2 nucleocap...

(This article belongs to the Section Cell Biology and Tissue Engineering)
  • Article
  • Open Access
2 Citations
2,048 Views
16 Pages

LPS-Induced Intracellular Complement 3 Activation Regulated ATP Production in Yak Rumen Epithelial Cells

  • Qiang Han,
  • Qiqi Zhang,
  • Duoting Wu,
  • Zihan Yang and ,
  • Jinyang Huang,
  • Zhisheng Wang,
  • Huawei Zou,
  • Quanhui Peng,
  • Yukun Meng and
  • Rui Hu
  • + 7 authors+ 2 authors

31 August 2025

This study aimed to investigate whether intracellular complement 3 (C3) activation regulates ATP production in yak rumen epithelial cells under inflammatory conditions and its potential mechanism. An in vitro inflammation model was established by sti...

  • Review
  • Open Access
122 Citations
10,082 Views
21 Pages

Function and Regulation of Ammonium Transporters in Plants

  • Dong-Li Hao,
  • Jin-Yan Zhou,
  • Shun-Ying Yang,
  • Wei Qi and ,
  • Ke-Jun Yang and
  • Yan-Hua Su
  • + 1 author+ 0 author

Ammonium transporter (AMT)-mediated acquisition of ammonium nitrogen from soils is essential for the nitrogen demand of plants, especially for those plants growing in flooded or acidic soils where ammonium is dominant. Recent advances show that AMTs...

(This article belongs to the Special Issue Ion Transport and Homeostasis in Plants)
  • Review
  • Open Access
20 Citations
11,846 Views
14 Pages

28 February 2018

Naja naja atra venom (NNAV) is composed of various proteins, peptides, and enzymes with different biological and pharmacological functions. A number of previous studies have reported that NNAV exerts potent analgesic effects on various animal models...

(This article belongs to the Section Animal Venoms)
  • Article
  • Open Access
18 Citations
4,268 Views
36 Pages

Extracellular vesicles (EVs) are lipid bilayer vesicles which are released from cells and play multifaceted roles in cellular communication in health and disease. EVs can be isolated from various body fluids, including serum and plasma, and are usabl...

(This article belongs to the Special Issue Extracellular Vesicles in Phylogeny)
  • Article
  • Open Access
7 Citations
3,358 Views
17 Pages

Type III TGF-β Receptor Down-Regulation Promoted Tumor Progression via Complement Component C5a Induction in Hepatocellular Carcinoma

  • Oscar Wai Ho Yeung,
  • Xiang Qi,
  • Li Pang,
  • Hui Liu and ,
  • Kevin Tak Pan Ng,
  • Jiang Liu,
  • Chung Mau Lo and
  • Kwan Man
  • + 3 authors+ 0 author

25 March 2021

Background and Aims—Transforming growth factor-beta (TGF-β) signaling orchestrates tumorigenesis and one of the family members, TGF-β receptor type III (TGFβR3), are distinctively under-expressed in numerous malignancies. Currently, the clinical impa...

  • Article
  • Open Access
5 Citations
2,187 Views
16 Pages

Complement Receptor 3 Regulates Microglial Exosome Release and Related Neurotoxicity via NADPH Oxidase in Neuroinflammation Associated with Parkinson’s Disease

  • Yu Ma,
  • Xiaomeng Zhang,
  • Jiaqi Xu,
  • Runnan Luo and ,
  • Sheng Li,
  • Hong Su,
  • Qingshan Wang and
  • Liyan Hou
  • + 3 authors+ 0 author

Microglia-mediated chronic neuroinflammation is a common pathological feature of Parkinson’s disease (PD). Strong evidence suggests that activated microglia can lesion neurons by releasing exosomes. However, the mechanisms of exosome release fr...

(This article belongs to the Section Antioxidant Enzyme Systems)
  • Article
  • Open Access
23 Citations
5,915 Views
16 Pages

Complement Activation and Up-Regulated Expression of Anaphylatoxin C3a/C3aR in Glioblastoma: Deciphering the Links with TGF-β and VEGF

  • Franck Ah-Pine,
  • Axelle Malaterre-Septembre,
  • Yosra Bedoui,
  • Mohamed Khettab and ,
  • James W. Neal,
  • Sébastien Freppel and
  • Philippe Gasque
  • + 2 authors+ 0 author

7 May 2023

The complement (C) innate immune system has been shown to be activated in the tumor microenvironment of various cancers. The C may support tumor growth by modulating the immune response and promoting angiogenesis through the actions of C anaphylatoxi...

(This article belongs to the Special Issue Inflammation, Immunity, and Cancer Progression)
  • Article
  • Open Access
11 Citations
4,103 Views
12 Pages

Effect of AICAR and 5-Fluorouracil on X-ray Repair, Cross-Complementing Group 1 Expression, and Consequent Cytotoxicity Regulation in Human HCT-116 Colorectal Cancer Cells

  • Ko-Chao Lee,
  • Chien-Tsong Lin,
  • Shun-Fu Chang,
  • Cheng-Nan Chen and ,
  • Jing-Lan Liu and
  • Wen-Shih Huang
  • + 1 author+ 0 author

8 November 2017

Colorectal cancer (CRC) is one of the leading causes of cancer mortality and 5-Fluorouracil (5-FU) is the most common chemotherapy agent of CRC. A high level of X-ray repair cross complementing group 1 (XRCC1) in cancer cells has been associated with...

(This article belongs to the Section Biochemistry)
  • Article
  • Open Access
1,463 Views
22 Pages

28 August 2025

Background/Objectives: Constipation can be induced in animal models through various factors such as loperamide (Lop) or complement component 3 (C3) deficiency. The effectiveness of therapeutic agents in the clinical management of constipation has bee...

(This article belongs to the Section Natural Products)
  • Review
  • Open Access
31 Citations
6,528 Views
20 Pages

Role of Complement in Regulating Inflammation Processes in Renal and Prostate Cancers

  • Giuseppe Stefano Netti,
  • Rossana Franzin,
  • Alessandra Stasi,
  • Federica Spadaccino and ,
  • Andrea Dello Strologo,
  • Barbara Infante,
  • Loreto Gesualdo,
  • Giuseppe Castellano,
  • Elena Ranieri and
  • Giovanni Stallone
  • + 5 authors+ 0 author

15 September 2021

For decades, the complement system, the central pillar of innate immune response, was recognized as a protective mechanism against cancer cells and the manipulation of complement effector functions in cancer setting offered a great opportunity to imp...

(This article belongs to the Special Issue Molecular-Cellular Basis of Ageing and Cancer)
  • Review
  • Open Access
21 Citations
5,952 Views
18 Pages

Heme oxygenase is a cytoprotective enzyme with strong antioxidant and anti-apoptotic properties. Its cytoprotective role is mainly attributed to its enzymatic activity, which involves the degradation of heme to biliverdin with simultaneous release of...

(This article belongs to the Special Issue Pharmacological and Clinical Significance of Heme Oxygenase-1)
  • Review
  • Open Access
1 Citations
3,059 Views
29 Pages

Redox Regulation of Complement Pathway Activation in Aging and Related Diseases

  • Shirin Ferdowsi,
  • Srividya Arjuna,
  • Sudharshan SJ and
  • Rahima Zennadi

24 December 2025

Aging is a complex degenerative process characterized by the accumulation of molecular damage and a heightened susceptibility to disease. The oxidative stress theory of aging identifies endogenous reactive oxygen species (ROS) as primary drivers of t...

(This article belongs to the Section Health Outcomes of Antioxidants and Oxidative Stress)
  • Article
  • Open Access
7 Citations
4,704 Views
25 Pages

Complement Properdin Regulates the Metabolo-Inflammatory Response to a High Fat Diet

  • Rόisín C. Thomas,
  • Ramiar Kheder,
  • Hasanain Alaridhee,
  • Naomi Martin and
  • Cordula M. Stover

22 September 2020

Background and objectives: Overnutrition leads to a metabolic and inflammatory response that includes the activation of Complement. Properdin is the only amplifier of complement activation and increases the provision of complement activation products...

(This article belongs to the Special Issue The Role of the Complement System in Chronic Inflammation)
  • Article
  • Open Access
2 Citations
1,952 Views
15 Pages

Radiotherapy Upregulates the Expression of Membrane-Bound Negative Complement Regulator Proteins on Tumor Cells and Limits Complement-Mediated Tumor Cell Lysis

  • Yingying Liang,
  • Lixin Mai,
  • Jonathan M. Schneeweiss,
  • Ramon Lopez Perez and ,
  • Michael Kirschfink and
  • Peter E. Huber
  • + 1 author+ 0 author

18 July 2025

Background/Objectives: Radiotherapy (RT) is a mainstay of clinical cancer therapy that causes broad immune responses. The complement system is a pivotal effector mechanism in the innate immune response, but the impact of RT is less well understood. T...

(This article belongs to the Special Issue Combination Immunotherapy for Cancer Treatment)
  • Article
  • Open Access
15 Citations
6,328 Views
19 Pages

Properdin Modulates Complement Component Production in Stressed Human Primary Retinal Pigment Epithelium Cells

  • Nicole Schäfer,
  • Hannah N. Wolf,
  • Anne Enzbrenner,
  • Juliane Schikora and ,
  • Maria Reichenthaler,
  • Volker Enzmann and
  • Diana Pauly
  • + 2 authors+ 0 author

26 August 2020

The retinal pigment epithelium (RPE) maintains visual function and preserves structural integrity of the retina. Chronic dysfunction of the RPE is associated with retinal degeneration, including age-related macular degeneration (AMD). The AMD pathoge...

(This article belongs to the Special Issue Antioxidants and Age-Related Ocular Diseases)

of 37