Evidence map›Paper›PMID 27029558›Full record

ArticleScientific reports2016

Connecting the innate and adaptive immune responses in mouse choroidal neovascularization via the anaphylatoxin C5a and γδT-cells.

Beth Coughlin, Gloriane Schnabolk, Kusumam Joseph, Himanshu Raikwar, Kannan Kunchithapautham, Krista Johnson, Kristi Moore, Yi Wang, Bärbel Rohrer

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed
7.6field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

47 citing papers in PubMed, 64 citations in OpenAlex.

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  5. Rac1 overexpression promotes Treg-derived cytokines to mediate choroidal neovascularization in wet age-related macular degeneration.Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologica · 2025
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  12. Innate immune biology in age-related macular degeneration.Frontiers in cell and developmental biology · 2023
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 3 institutions in 1 country.

Beth CoughlinDepartment of Ophthalmology, Medical University of South Carolina, Charleston, SC 29425, USA.
Gloriane SchnabolkResearch Service, Ralph H. Johnson VA Medical Center, Charleston, SC 29401, USA.
Kusumam JosephDepartment of Ophthalmology, Medical University of South Carolina, Charleston, SC 29425, USA.
Himanshu RaikwarDepartment of Ophthalmology, Medical University of South Carolina, Charleston, SC 29425, USA.
Kannan KunchithapauthamDepartment of Ophthalmology, Medical University of South Carolina, Charleston, SC 29425, USA.
Krista JohnsonAlexion Pharmaceuticals, 352 Knotter Drive, Cheshire CT 06410, USA.
Kristi MooreAlexion Pharmaceuticals, 352 Knotter Drive, Cheshire CT 06410, USA.
Yi WangAlexion Pharmaceuticals, 352 Knotter Drive, Cheshire CT 06410, USA.
Bärbel RohrerDepartment of Ophthalmology, Medical University of South Carolina, Charleston, SC 29425, USA.
Medical University of South Carolina · USAlexion Pharmaceuticals (United States) · USRalph H. Johnson VA Medical Center · US

Funding

Alternative Pathway of Complement Activation in Age-Related Macular DegenerationR01EY019320 · NEI · MEDICAL UNIVERSITY OF SOUTH CAROLINA · PI ROHRER, BAERBEL · 2010 to 2014
$2.1M
MUSC FACIL EXPANSION &RENOV: SLE C06RR015455 · NCRR · MEDICAL UNIVERSITY OF SOUTH CAROLINA · PI RAYMOND, JOHN R · 2002 to 2002
$2.0M
ECT Implants for Factor H Delivery in Models of AMDR01EY024581 · NEI · MEDICAL UNIVERSITY OF SOUTH CAROLINA · PI ROHRER, BAERBEL · 2014 to 2016
$1.1M
RPE Cell Bystander Effects Contribute to AMD PathologyI01BX003050 · VA · RALPH H JOHNSON VA MEDICAL CENTER · PI ROHRER, BAERBEL · 2016 to 2024
–
Complement Factor H Haplotypes and Smoking in Age-Related Macular DegenerationI01RX000444 · VA · RALPH H JOHNSON VA MEDICAL CENTER · PI Baerbel Rohrer · 2011 to 2026
–
BLRD VA I01 BX003050NCRR NIH HHS C06 RR015455NEI NIH HHS R01 EY019320NEI NIH HHS R01EY019320NEI NIH HHS R01 EY024581RRD VA I01 RX000444
6 · The paper itself

Abstract

Neovascular age-related macular degeneration (AMD) is characterized by choroidal neovascularization (CNV). An overactive complement system is associated with AMD pathogenesis, and serum pro-inflammatory cytokines, including IL-17, are elevated in AMD patients. IL-17 is produced by complement C5a-receptor-expressing T-cells. In murine CNV, infiltrating γδT- rather than Th17-cells produce the IL-17 measurable in lesioned eyes. Here we asked whether C5a generated locally in response to CNV recruits IL-17-producing T-cells to the eye. CNV lesions were generated using laser photocoagulation and quantified by imaging; T-lymphocytes were characterized by QRT-PCR. CNV resulted in an increase in splenic IL-17-producing γδT- and Th17-cells; yet in the CNV eye, only elevated levels of γδT-cells were observed. Systemic administration of anti-C5- or anti-C5a-blocking antibodies blunted the CNV-induced production of splenic Th17- and γδT-cells, reduced CNV size and eliminated ocular γδT-cell infiltration. In ARPE-19 cell monolayers, IL-17 triggered a pro-inflammatory state; and splenocyte proliferation was elevated in response to ocular proteins. Thus, we demonstrated that CNV lesions trigger a systemic immune response, augmenting local ocular inflammation via the infiltration of IL-17-producing γδT-cells, which are presumably recruited to the eye in a C5a-dependent manner. Understanding the complexity of complement-mediated pathological mechanisms will aid in the development of an AMD treatment.

Indexed as

Adaptive ImmunityAnimalsAntibodies, NeutralizingCD8-Positive T-LymphocytesCell LineCell MovementChoroidChoroidal NeovascularizationComplement C5aGene ExpressionHumansImmunity, InnateInjections, IntravenousInterleukin-17Light CoagulationMiceAntibodies, NeutralizingComplement C5aInterleukin-17Receptor, Anaphylatoxin C5aReceptors, Antigen, T-Cell, gamma-delta

Identifiers

PMID27029558
PMCPMC4814842
OpenAlexW2322911088

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.