Cited by 145Advanced Proteomics Techniques and ApplicationsRetinal Diseases and TreatmentsMass Spectrometry Techniques and Applications

The DOI matches its Crossref record; 75 of the 76 references it cites were found in a registry or an index, and 1 are not checked yet.

Proteomic analysis of human vitreous humor

Open access

Abstract

BACKGROUND: The vitreous humor is a transparent, gelatinous mass whose main constituent is water. It plays an important role in providing metabolic nutrient requirements of the lens, coordinating eye growth and providing support to the retina. It is in close proximity to the retina and reflects many of the changes occurring in this tissue. The biochemical changes occurring in the vitreous could provide a better understanding about the pathophysiological processes that occur in vitreoretinopathy. In this study, we investigated the proteome of normal human vitreous humor using high resolution Fourier transform mass spectrometry. RESULTS: The vitreous humor was subjected to multiple fractionation techniques followed by LC-MS/MS analysis. We identified 1,205 proteins, 682 of which have not been described previously in the vitreous humor. Most proteins were localized to the extracellular space (24%), cytoplasm (20%) or plasma membrane (14%). Classification based on molecular function showed that 27% had catalytic activity, 10% structural activity, 10% binding activity, 4% cell and 4% transporter activity. Categorization for biological processes showed 28% participate in metabolism, 20% in cell communication and 13% in cell growth. The data have been deposited to the ProteomeXchange with identifier PXD000957. CONCLUSION: This large catalog of vitreous proteins should facilitate biomedical research into pathological conditions of the eye including diabetic retinopathy, retinal detachment and cataract.

Overview

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1186/1559-0275-11-29

Cites

75 of 76 references verified0 citation errors · 0 not checkable

Statistics

Figures

Figure 1 Experimental design for proteomic characterization of vitreous humor. Pooled vitreous humor samples were depleted of abundant proteins using Agilent’s MARS 14 column followed by in-gel digestion, in-solution digestion and OFFGEL electrophoresis. The samples were analyzed on LTQ-Orbitrap Velos mass spectrometer.
Figure 1 Experimental design for proteomic characterization of vitreous humor. Pooled vitreous humor samples were depleted of abundant proteins using Agilent’s MARS 14 column followed by in-gel digestion, in-solution digestion and OFFGEL electrophoresis. The samples were analyzed on LTQ-Orbitrap Velos mass spectrometer.CC BY · PubMed Central
Figure 2 Representative MS/MS spectra of known proteins in vitreous that were identified in this study. A. peptide YLAEFATGNDR belongs to 14-3-3 protein epsilon. B. Peptide EVPDEYEVGSFMEEVR belongs to dickkopf-related protein 3. C. Peptide TFHEASEDCISR belongs to tetranectin. D. Peptide IDLSNNLISSIDNDAFR belongs to opticin.
Figure 2 Representative MS/MS spectra of known proteins in vitreous that were identified in this study. A. peptide YLAEFATGNDR belongs to 14-3-3 protein epsilon. B. Peptide EVPDEYEVGSFMEEVR belongs to dickkopf-related protein 3. C. Peptide TFHEASEDCISR belongs to tetranectin. D. Peptide IDLSNNLISSIDNDAFR belongs to opticin.CC BY · PubMed Central
Figure 3 Representative MS/MS spectra of novel proteins identified in this study. A. Peptide FAGIDGTSTYTSGDQK belongs to Transforming growth factor beta-2 (TGFB2). B. Peptide YILDGISALR belongs to Interleukin-6 Precursor (IL-6).
Figure 3 Representative MS/MS spectra of novel proteins identified in this study. A. Peptide FAGIDGTSTYTSGDQK belongs to Transforming growth factor beta-2 (TGFB2). B. Peptide YILDGISALR belongs to Interleukin-6 Precursor (IL-6).CC BY · PubMed Central
Figure 4 Subcellular localization and functional annotation of proteins identified in vitreous humor. A. Gene Ontology analysis for subcellular localization of identified proteins. B. Molecular functions of identified proteins. C. Biological processes of the identified proteins. The data regarding proteins was obtained from Human Protein Reference Database (HPRD: http://www.hprd.org).
Figure 4 Subcellular localization and functional annotation of proteins identified in vitreous humor. A. Gene Ontology analysis for subcellular localization of identified proteins. B. Molecular functions of identified proteins. C. Biological processes of the identified proteins. The data regarding proteins was obtained from Human Protein Reference Database (HPRD: http://www.hprd.org).CC BY · PubMed Central

Verification

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Citations

Cites

1 retracted

Cited by

Sorted by citations

See all 145

Metadata

Authors
Murthy, K. R., Goel, R., Subbannayya, Y., Jacob, H. K., Murthy, P. R., Manda, S. S., Patil, A. H., Sharma, R., Sahasrabuddhe, N. A., Parashar, A., Nair, B. G., Krishna, V., Prasad, T. K., Gowda, H., & Pandey, A.
Affiliations
  • Institute of Bioinformatics (IN)
  • Kuvempu University (IN)
  • Pondicherry University (IN)
  • National Institute of Mental Health and Neurosciences (IN)
  • Armed Forces Medical College (IN)
  • Amrita Vishwa Vidyapeetham (IN)
  • Johns Hopkins University (US)
Corresponding author
Murthy, Krishna R
Venue
Clinical Proteomics
Published
2014-07-14
Volume
11
Issue
1
Pages
29-29
ISSN
  • 1542-6416 (ISSN-L)
  • 1559-0275
OpenAlex
W2164518567
Cited by
145
References
76
Citations by year
2026: 6 · 2025: 10 · 2024: 14 · 2023: 12 · 2022: 9 · 2021: 10 · 2020: 21 · 2019: 8 · 2018: 18 · 2017: 15 · 2016: 14 · 2015: 6 · 2014: 2
FWCI
5.29
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Clinical Proteomics (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Wellcome Trust
  • Department of Biotechnology, Ministry of Science and Technology, India
  • University Grants Commission
  • The Wellcome Trust DBT India Alliance
Topics
  • Physical Sciences › Chemistry › Spectroscopy › Advanced Proteomics Techniques and Applications
  • Health Sciences › Medicine › Ophthalmology › Retinal Diseases and Treatments
  • Physical Sciences › Chemistry › Spectroscopy › Mass Spectrometry Techniques and Applications
Keywords
vitreous humor, vitreous proteome, vitreoretinopathy, vitreous proteins, extracellular proteins, protein function classification, diabetic retinopathy, retinal detachment, cataract

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review