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Ilu A, Chia MA, Cataldi TR, Labate CA, Ebiloma GU, Yusuf PO, Shuaibu MN, Balogun EO. Type-I like metalloproteinase in the venom of the West African saw-scaled carpet viper (Echis ocellatus) has anti-trypanosomal activity against African trypanosomes. Toxicon 2023; 229:107138. [PMID: 37127124 DOI: 10.1016/j.toxicon.2023.107138] [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: 02/26/2023] [Revised: 04/26/2023] [Accepted: 04/26/2023] [Indexed: 05/03/2023]
Abstract
African trypanosomiasis is an infectious disease caused by hemoparasites of the genus Trypanosoma and remains a major health problem in Africa - killing around 4000 people and animals worth an estimated $5 billion, annually. The absence of a vaccine and satisfactory drug against African trypanosomiasis (AT) necessitates the continued search for new chemotherapy options. Owing to the rich biochemical diversity in snake venom, it has recently become a source of therapeutic peptides that are being explored for the development of novel drug candidates for diverse ailments such as cancers and infectious diseases. To explore this, Echis ocellatus venom (EOV) was investigated for the presence of an anti-Trypanosoma factor, with the subsequent aim to isolate and identify it. Crude EOV was collected and tested in vitro on the bloodstream form (BSF) i.e. long and slender morphological form of Trypanosoma brucei and T. congolense. This initial testing was followed by a sequential anti-trypanosomal assay guided purification of EOV using ethanol precipitation, distillation, and ion exchange (IEX) chromatography to obtain the active trypanocidal component. The purified anti-Trypanosoma factor, estimated to be a 52-kDa protein on SDS-PAGE, was subjected to in-gel trypsin digestion and 2D RP HPLC-MS/MS to identify the protein. The anti-Trypanosoma factor was revealed to be a zinc-dependent metalloproteinase that contains the HEXXHXXGXXH adamalysin motif. This protein may provide a conceptual framework for the possible design of a safe and effective anti-trypanosomal peptide for the treatment of AT.
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Affiliation(s)
- Ameh Ilu
- Department of Biochemistry, Ahmadu Bello University, Zaria, Nigeria; Africa Centre of Excellence for Neglected Tropical Diseases and Forensic Biotechnology, Ahmadu Bello University, Zaria, Nigeria
| | - Mathias A Chia
- Department of Botany, Ahmadu Bello University, Zaria, Nigeria
| | - Thais R Cataldi
- Department of Genetics, Laboratório Multiusuários Centralizado de Genômica Funcional Aplicada à Agropecuária e Agroenergia, University of Sao Paulo, Piracicaba, Brazil
| | - Carlos A Labate
- Department of Genetics, Laboratório Multiusuários Centralizado de Genômica Funcional Aplicada à Agropecuária e Agroenergia, University of Sao Paulo, Piracicaba, Brazil
| | - Godwin U Ebiloma
- School of Health & Life Sciences, Teesside University, Middlesbrough, United Kingdom
| | - Peter O Yusuf
- Department of Veterinary Pharmacology and Toxicology, Ahmadu Bello University, Zaria, Nigeria
| | - Mohammed N Shuaibu
- Department of Biochemistry, Ahmadu Bello University, Zaria, Nigeria; Africa Centre of Excellence for Neglected Tropical Diseases and Forensic Biotechnology, Ahmadu Bello University, Zaria, Nigeria; Centre for Biotechnology Research and Training, Ahmadu Bello University, Zaria, Nigeria
| | - Emmanuel O Balogun
- Department of Biochemistry, Ahmadu Bello University, Zaria, Nigeria; Africa Centre of Excellence for Neglected Tropical Diseases and Forensic Biotechnology, Ahmadu Bello University, Zaria, Nigeria; Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan; Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA.
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Granholm F, Bylund D, Shevchenko G, Lind SB, Henriksson AE. A Feasibility Study on the Identification of Potential Biomarkers in Pulmonary Embolism Using Proteomic Analysis. Clin Appl Thromb Hemost 2022; 28:10760296221074347. [PMID: 35043712 PMCID: PMC8796107 DOI: 10.1177/10760296221074347] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 11/26/2021] [Accepted: 01/02/2022] [Indexed: 11/15/2022] Open
Abstract
Acute pulmonary embolism (PE) is a common emergency with a high morbidity and mortality. Most clinical presentations are non-specific and there is a lack of suitable biomarkers for PE. For example, the traditional D-dimer tests shows a rather high sensitivity for PE, but yet a rather low positive predictive value due to its lack of specificity. Research on novel biomarkers for PE is thus of interest to improve early diagnostics and reduce the number of unnecessary computed tomography pulmonary angiogram (CTPA) scans performed. In this study we evaluate the feasibility to use label-free quantitative proteomics to discover potential biomarkers for acute PE and to monitor changes in proteins levels in PE patients over time. Blood was collected from 8 patients with CTPA verified PE and from 8 patients presenting with same symptoms but with a negative CTPA. The samples were analyzed by liquid chromatography-mass spectrometry and thirteen protein concentrations were found to be significantly changed in PE patients compared to the CTPA negative controls. This exploratory study shows that proteomic analysis can be used to identify potential biomarkers for PE as well as to monitor changes of protein levels over time.The complement proteins play a part in PE but further studies are needed to clarify their specific role in the pathophysiological process and to look for more specific proteins.
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Affiliation(s)
| | - Dan Bylund
- Mid Sweden University, Sundsvall, Sweden
| | | | | | - Anders E. Henriksson
- Mid Sweden University, Sundsvall, Sweden
- Sundsvall County Hospital, Sundsvall, Sweden
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Iqbal Z, Fachim HA, Gibson JM, Baricevic-Jones I, Campbell AE, Geary B, Donn RP, Hamarashid D, Syed A, Whetton AD, Soran H, Heald AH. Changes in the Proteome Profile of People Achieving Remission of Type 2 Diabetes after Bariatric Surgery. J Clin Med 2021; 10:3659. [PMID: 34441954 PMCID: PMC8396849 DOI: 10.3390/jcm10163659] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/17/2021] [Accepted: 08/17/2021] [Indexed: 02/07/2023] Open
Abstract
Bariatric surgery (BS) results in metabolic pathway recalibration. We have identified potential biomarkers in plasma of people achieving type 2 diabetes mellitus (T2DM) remission after BS. Longitudinal analysis was performed on plasma from 10 individuals following Roux-en-Y gastric bypass (n = 7) or sleeve gastrectomy (n = 3). Sequential window acquisition of all theoretical fragment ion spectra mass spectrometry (SWATH-MS) was done on samples taken at 4 months before (baseline) and 6 and 12 months after BS. Four hundred sixty-seven proteins were quantified by SWATH-MS. Principal component analysis resolved samples from distinct time points after selection of key discriminatory proteins: 25 proteins were differentially expressed between baseline and 6 months post-surgery; 39 proteins between baseline and 12 months. Eight proteins (SHBG, TF, PRG4, APOA4, LRG1, HSPA4, EPHX2 and PGLYRP) were significantly different to baseline at both 6 and 12 months post-surgery. The panel of proteins identified as consistently different included peptides related to insulin sensitivity (SHBG increase), systemic inflammation (TF and HSPA4-both decreased) and lipid metabolism (APOA4 decreased). We found significant changes in the proteome for eight proteins at 6- and 12-months post-BS, and several of these are key components in metabolic and inflammatory pathways. These may represent potential biomarkers of remission of T2DM.
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Affiliation(s)
- Zohaib Iqbal
- The School of Medicine and Manchester Academic Health Sciences Centre, Manchester University, Manchester M13 9PL, UK; (Z.I.); (J.M.G.); (R.P.D.); (H.S.)
- Department of Endocrinology, Diabetes and Metabolism, Salford Royal Foundation Trust, Salford M6 8HD, UK; (D.H.); (A.S.)
| | - Helene A. Fachim
- The School of Medicine and Manchester Academic Health Sciences Centre, Manchester University, Manchester M13 9PL, UK; (Z.I.); (J.M.G.); (R.P.D.); (H.S.)
- Department of Endocrinology, Diabetes and Metabolism, Salford Royal Foundation Trust, Salford M6 8HD, UK; (D.H.); (A.S.)
| | - J. Martin Gibson
- The School of Medicine and Manchester Academic Health Sciences Centre, Manchester University, Manchester M13 9PL, UK; (Z.I.); (J.M.G.); (R.P.D.); (H.S.)
- Department of Endocrinology, Diabetes and Metabolism, Salford Royal Foundation Trust, Salford M6 8HD, UK; (D.H.); (A.S.)
| | - Ivona Baricevic-Jones
- Stoller Biomarker Discovery Centre, Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK; (I.B.-J.); (A.E.C.); (B.G.); (A.D.W.)
| | - Amy E. Campbell
- Stoller Biomarker Discovery Centre, Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK; (I.B.-J.); (A.E.C.); (B.G.); (A.D.W.)
| | - Bethany Geary
- Stoller Biomarker Discovery Centre, Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK; (I.B.-J.); (A.E.C.); (B.G.); (A.D.W.)
| | - Rachelle P. Donn
- The School of Medicine and Manchester Academic Health Sciences Centre, Manchester University, Manchester M13 9PL, UK; (Z.I.); (J.M.G.); (R.P.D.); (H.S.)
| | - Dashne Hamarashid
- Department of Endocrinology, Diabetes and Metabolism, Salford Royal Foundation Trust, Salford M6 8HD, UK; (D.H.); (A.S.)
| | - Akheel Syed
- Department of Endocrinology, Diabetes and Metabolism, Salford Royal Foundation Trust, Salford M6 8HD, UK; (D.H.); (A.S.)
| | - Anthony D. Whetton
- Stoller Biomarker Discovery Centre, Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK; (I.B.-J.); (A.E.C.); (B.G.); (A.D.W.)
- Manchester National Institute for Health Research Biomedical Research Centre, Manchester M13 9WL, UK
| | - Handrean Soran
- The School of Medicine and Manchester Academic Health Sciences Centre, Manchester University, Manchester M13 9PL, UK; (Z.I.); (J.M.G.); (R.P.D.); (H.S.)
| | - Adrian H. Heald
- The School of Medicine and Manchester Academic Health Sciences Centre, Manchester University, Manchester M13 9PL, UK; (Z.I.); (J.M.G.); (R.P.D.); (H.S.)
- Department of Endocrinology, Diabetes and Metabolism, Salford Royal Foundation Trust, Salford M6 8HD, UK; (D.H.); (A.S.)
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Choi KM, Joo MS, Cho DH, Bae JS, Jung JM, Hwang JY, Kwon MG, Seo JS, Hwang SD, Jee BY, Kim DH, Park CI. Characterization of gene expression profiles and functional analysis of peptidoglycan recognition protein 2 from rock bream (Oplegnathus fasciatus). FISH & SHELLFISH IMMUNOLOGY 2019; 84:1068-1074. [PMID: 30439496 DOI: 10.1016/j.fsi.2018.11.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 10/18/2018] [Accepted: 11/10/2018] [Indexed: 06/09/2023]
Abstract
Peptidoglycan recognition protein 2 (PGRP2) is a Zn2+-dependent peptidase that plays important roles in binding to microbial components of the cell membrane, inducing phagocytosis and antimicrobial activity. Rock bream (Oplegnathus fasciatus) PGRP2 (RbPGRP2) was identified in the intestine by next generation sequencing (NGS) analysis. The open reading frame (ORF) the RbPGRP2 cDNA (470 amino acid residues) contains a peptidoglycan recognition protein domain (residues 300 to 446). Alignment analysis revealed that RbPGRP2 shares 37.6-53.5% overall sequence identity with the PGRP2s of other species. Phylogenetic analysis revealed that RbPGRP2 clustered together with PGRP2s from teleosts. In healthy rock bream, RbPGRP2 was found to be ubiquitously expressed in all of the examined tissues, especially in the liver. RbPGRP2 expression was significantly upregulated in all of the examined tissues of rock bream after infection with Edwardsiella piscicida, Streptococcus iniae and red sea bream iridovirus (RSIV) compared with the control. Purified rRbPGRP2 interactions with bacteria and inhibited the growth of bacteria in the presence of Zn2+. These results indicate that RbPGRP2 plays an important role in the innate immune response against bacterial infection.
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Affiliation(s)
- Kwang-Min Choi
- Institute of Marine Industry, College of Marine Science, Gyeongsang National University, 455, Tongyeong, 650-160, Republic of Korea
| | - Min-Soo Joo
- Institute of Marine Industry, College of Marine Science, Gyeongsang National University, 455, Tongyeong, 650-160, Republic of Korea
| | - Dong Hee Cho
- Institute of Marine Industry, College of Marine Science, Gyeongsang National University, 455, Tongyeong, 650-160, Republic of Korea
| | - Jin-Sol Bae
- Institute of Marine Industry, College of Marine Science, Gyeongsang National University, 455, Tongyeong, 650-160, Republic of Korea
| | - Ji-Min Jung
- Institute of Marine Industry, College of Marine Science, Gyeongsang National University, 455, Tongyeong, 650-160, Republic of Korea
| | - Jee Youn Hwang
- Aquatic Animal Disease Control Center, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Mun-Gyeong Kwon
- Aquatic Animal Disease Control Center, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Jung Soo Seo
- Aquatic Animal Disease Control Center, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Seong Don Hwang
- Aquatic Animal Disease Control Center, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Bo-Yeong Jee
- Aquatic Animal Disease Control Center, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Do-Hyung Kim
- Department of Aquatic Life Medicine, College of Fisheries Science, Pukyong National University, 45, Yongso-ro, Nam-Gu, Busan, Republic of Korea.
| | - Chan-Il Park
- Institute of Marine Industry, College of Marine Science, Gyeongsang National University, 455, Tongyeong, 650-160, Republic of Korea.
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Weng J, Wu H, Xu Z, Xi H, Chen C, Chen D, Gong Y, Hua Y, Wang Z. The role of propionic acid at diagnosis predicts mortality in patients with septic shock. J Crit Care 2017; 43:95-101. [PMID: 28863283 DOI: 10.1016/j.jcrc.2017.08.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 07/17/2017] [Accepted: 08/04/2017] [Indexed: 12/11/2022]
Abstract
PURPOSE This study aims to assess the diagnostic and prognostic value of propionic acid in patients with septic shock on a medical intensive care unit (ICU). METHODS Serum propionic acid and clinical common cytokines levels were measured within 24h after the diagnosis of sepsis, and the Acute Physiology and Chronic Health Evaluation II (APACHE II) score, Sequential Organ Failure Assessment (SOFA) score, and Mortality were recorded in ICU. A 28-day and 90-day follow-up was performed for all patients. RESULTS A total of 118 septic patients were enrolled in this study. The propionic acid was higher in patients with septic shock compared with sepsis. Multivariate logistic regression analysis showed that propionic acid was independent predictor of sepsis (odds ratio: 1.279; 95% confidence interval: 1.069-1.530; P=0.007) and septic shock (odds ratio: 1.859; 95% confidence interval: 1.342-2.576; P<0.001) and ICU mortality (odds ratio: 1.331; 95% confidence interval: 1.107-1.600; P=0.002), 28-day mortality (odds ratio: 1.259; 95% confidence interval: 1.046-1.514; P=0.015) and 90-day mortality (odds ratio: 1.304; 95% confidence interval: 1.092-1.558; P=0.003). The receiver operating characteristic curve (AUC) analysis showed the areas under of propionic acid on ICU admission day for predicting sepsis and septic shock were 0.773 and 0.85 respectively, the areas under of propionic acid for predicting ICU mortality, 28-d and 90-d mortality were 0.779, 0.739 and 0.809 respectively. Using a PA cutoff of 0.053 and 0.095 for predicting sepsis and septic shock respectively, the sensitivity was 97.62% and 85.5%, and the specificity was 58% and 83.5%, respectively. Using a PA cutoff of 0.139 for predicting ICU mortality, 28- and 90-day mortality, the sensitivity was 69.39%, 67.44% and 69.09% respectively, and the specificity was 78.26%, 73.33% and 82.54% respectively. CONCLUSIONS Propionic acid showed diagnostic capacity to diagnose septic shock and revealed prognostic information for mortality.
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Affiliation(s)
- Jie Weng
- Department of Emergency Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - He Wu
- Department of Emergency Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Zhe Xu
- Department of Emergency Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Haitao Xi
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Chan Chen
- Department of Geriatric Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Daqing Chen
- Department of Emergency Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Yuqiang Gong
- Department of Emergency Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Ying Hua
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China.
| | - Zhiyi Wang
- Department of Emergency Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China; Department of General Practice, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China.
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