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Simpson DS, Anderton H, Yousef J, Vaibhav V, Cobbold SA, Bandala-Sanchez E, Kueh AJ, Dagley LF, Herold MJ, Silke J, Vince JE, Feltham R. Mind bomb 2 limits inflammatory dermatitis in Sharpin mutant mice independently of cell death. PNAS NEXUS 2024; 3:pgad438. [PMID: 38156288 PMCID: PMC10753164 DOI: 10.1093/pnasnexus/pgad438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 12/05/2023] [Indexed: 12/30/2023]
Abstract
Skin inflammation is a complex process implicated in various dermatological disorders. The chronic proliferative dermatitis (cpd) phenotype driven by the cpd mutation (cpdm) in the Sharpin gene is characterized by dermal inflammation and epidermal abnormalities. Tumour necrosis factor (TNF) and caspase-8-driven cell death causes the pathogenesis of Sharpincpdm mice; however, the role of mind bomb 2 (MIB2), a pro-survival E3 ubiquitin ligase involved in TNF signaling, in skin inflammation remains unknown. Here, we demonstrate that MIB2 antagonizes inflammatory dermatitis in the context of the cpd mutation. Surprisingly, the role of MIB2 in limiting skin inflammation is independent of its known pro-survival function and E3 ligase activity. Instead, MIB2 enhances the production of wound-healing molecules, granulocyte colony-stimulating factor, and Eotaxin, within the skin. This discovery advances our comprehension of inflammatory cytokines and chemokines associated with cpdm pathogenesis and highlights the significance of MIB2 in inflammatory skin disease that is independent of its ability to regulate TNF-induced cell death.
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Affiliation(s)
- Daniel S Simpson
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, VIC 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Melbourne, VIC 3050, Australia
| | - Holly Anderton
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, VIC 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Melbourne, VIC 3050, Australia
| | - Jumana Yousef
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, VIC 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Melbourne, VIC 3050, Australia
| | - Vineet Vaibhav
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, VIC 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Melbourne, VIC 3050, Australia
| | - Simon A Cobbold
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, VIC 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Melbourne, VIC 3050, Australia
| | - Esther Bandala-Sanchez
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, VIC 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Melbourne, VIC 3050, Australia
| | - Andrew J Kueh
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, VIC 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Melbourne, VIC 3050, Australia
- Olivia Newton-John Cancer and Wellness Centre, Austin Health, Melbourne, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Heidelberg, VIC 3084, Australia
| | - Laura F Dagley
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, VIC 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Melbourne, VIC 3050, Australia
| | - Marco J Herold
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, VIC 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Melbourne, VIC 3050, Australia
- Olivia Newton-John Cancer and Wellness Centre, Austin Health, Melbourne, VIC 3084, Australia
- School of Cancer Medicine, La Trobe University, Heidelberg, VIC 3084, Australia
| | - John Silke
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, VIC 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Melbourne, VIC 3050, Australia
| | - James E Vince
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, VIC 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Melbourne, VIC 3050, Australia
| | - Rebecca Feltham
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, VIC 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Melbourne, VIC 3050, Australia
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El Hage R, Knippschild U, Arnold T, Hinterseher I. Stem Cell-Based Therapy: A Promising Treatment for Diabetic Foot Ulcer. Biomedicines 2022; 10:1507. [PMID: 35884812 PMCID: PMC9312797 DOI: 10.3390/biomedicines10071507] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/17/2022] [Accepted: 06/21/2022] [Indexed: 11/16/2022] Open
Abstract
Diabetic foot ulcer (DFU) is a severe complication of diabetes and a challenging medical condition. Conventional treatments for DFU have not been effective enough to reduce the amputation rates, which urges the need for additional treatment. Stem cell-based therapy for DFU has been investigated over the past years. Its therapeutic effect is through promoting angiogenesis, secreting paracrine factors, stimulating vascular differentiation, suppressing inflammation, improving collagen deposition, and immunomodulation. It is controversial which type and origin of stem cells, and which administration route would be the most optimal for therapy. We reviewed the different types and origins of stem cells and routes of administration used for the treatment of DFU in clinical and preclinical studies. Diabetes leads to the impairment of the stem cells in the diseased patients, which makes it less ideal to use autologous stem cells, and requires looking for a matching donor. Moreover, angioplasty could be complementary to stem cell therapy, and scaffolds have a positive impact on the healing process of DFU by stem cell-based therapy. In short, stem cell-based therapy is promising in the field of regenerative medicine, but more studies are still needed to determine the ideal type of stem cells required in therapy, their safety, proper dosing, and optimal administration route.
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Affiliation(s)
- Racha El Hage
- Department of Vascular Surgery, Universitätsklinikum Ruppin-Brandenburg, Medizinische Hochschule Branderburg Theodor Fontane, Fehrbelliner Str. 38, 16816 Neuruppin, Germany;
| | - Uwe Knippschild
- Department of General and Visceral Surgery, Surgery Center, Ulm University, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (U.K.); (T.A.)
| | - Tobias Arnold
- Department of General and Visceral Surgery, Surgery Center, Ulm University, Albert-Einstein-Allee 23, 89081 Ulm, Germany; (U.K.); (T.A.)
| | - Irene Hinterseher
- Department of Vascular Surgery, Universitätsklinikum Ruppin-Brandenburg, Medizinische Hochschule Branderburg Theodor Fontane, Fehrbelliner Str. 38, 16816 Neuruppin, Germany;
- Berlin Institute of Health, Vascular Surgery Clinic, Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117 Berlin, Germany
- Fakultät für Gesundheitswissenschaften Brandenburg, Gemeinsame Fakultät der Universität Potsdam, der Medizinischen Hochschule Brandenburg Theodor Fontane und der Brandenburgischen Technischen Universität Cottbus—Senftenberg, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany
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3
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Lipoaspirate Shows In Vitro Potential for Wound Healing. Pharmaceutics 2022; 14:pharmaceutics14020447. [PMID: 35214179 PMCID: PMC8878490 DOI: 10.3390/pharmaceutics14020447] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/14/2022] [Accepted: 02/17/2022] [Indexed: 12/04/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are a promising therapy in wound healing, although extensive time and manipulation are necessary for their use. In our previous study on cartilage regeneration, we demonstrated that lipoaspirate acts as a natural scaffold for MSCs and gives rise to their spontaneous outgrowth, together with a paracrine effect on resident cells that overcome the limitations connected to MSC use. In this study, we aimed to investigate in vitro whether the microfragmented adipose tissue (lipoaspirate), obtained with Lipogems® technology, could promote and accelerate wound healing. We showed the ability of resident cells to outgrow from the clusters of lipoaspirate encapsulated in a 3D collagen substrate as capability of repopulating a culture of human skin. Moreover, we demonstrated that the in vitro lipoaspirate paracrine effect on fibroblasts and keratinocytes proliferation, migration, and contraction rate is mediated by the release of trophic/reparative proteins. Finally, an analysis of the paracrine antibacterial effect of lipoaspirate proved its ability to secrete antibacterial factors and its ability to modulate their secretion in culture media based on a bacterial stimulus. The results suggest that lipoaspirate may be a promising approach in wound healing showing in vitro regenerative and antibacterial activities that could improve current therapeutic strategies.
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Savitri C, Kwon JW, Drobyshava V, Ha SS, Park K. M2 Macrophage-Derived Concentrated Conditioned Media Significantly Improves Skin Wound Healing. Tissue Eng Regen Med 2021; 19:617-628. [PMID: 34962626 PMCID: PMC9130431 DOI: 10.1007/s13770-021-00414-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Macrophages, with many different phenotypes play a major role during wound healing process, secreting the cytokines crucial to angiogenesis, cell recruitment and ECM remodeling. Therefore, macrophage-derived cytokines may be attractive therapeutic resource for wound healing. METHODS To obtain a conditioned media (CM) from macrophages, human monocyte THP-1 cells were seeded on TCP or human fibroblast-derived matrix (hFDM) and they were differentiated into M1 or M2 phenotype using distinct protocols. A combination of different substrates and macrophage phenotypes produced M1- and M2-CM or M1-hFDM- and M2-hFDM-CM, respectively. Proteome microarray determines the cytokine contents in those CMs. CMs-treated human dermal fibroblast (hDFB) was analyzed using collagen synthesis and wound scratch assay. Concentrated form of the CM (CCM), obtained by high-speed centrifugation, was administered to a murine full-thickness wound model using alginate patch, where alginate patch was incubated in the M2-CCM overnight at 4 °C before transplantation. On 14 day post-treatment, examination was carried out through H&E and Herovici staining. Keratinocyte and M2 macrophages were also evaluated via immunofluorescence staining. RESULTS Cytokine analysis of CMs found CCL1, CCL5, and G-CSF, where CCL5 is more dominant. We found increased collagen synthesis and faster wound closure in hDFB treated with M2-CM. Full-thickness wounds treated by M2-hFDM-CCM containing alginate patch showed early wound closure, larger blood vessels, increased mature collagen deposition, enhanced keratinocyte maturation and more M2-macrophage population. CONCLUSION Our study demonstrated therapeutic potential of the CM derived from M2 macrophages, where the cytokines in the CM may have played an active role for enhanced wound healing.
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Affiliation(s)
- Cininta Savitri
- Center for Biomaterials, Korea Institute of Science and Technology (KIST), Seoul, 02792 Republic of Korea ,Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology (UST), Seoul, 02792 Republic of Korea
| | - Jae Won Kwon
- Center for Biomaterials, Korea Institute of Science and Technology (KIST), Seoul, 02792 Republic of Korea ,Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology (UST), Seoul, 02792 Republic of Korea
| | - Valeryia Drobyshava
- Center for Biomaterials, Korea Institute of Science and Technology (KIST), Seoul, 02792 Republic of Korea ,Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology (UST), Seoul, 02792 Republic of Korea
| | - Sang Su Ha
- Center for Biomaterials, Korea Institute of Science and Technology (KIST), Seoul, 02792 Republic of Korea
| | - Kwideok Park
- Center for Biomaterials, Korea Institute of Science and Technology (KIST), Seoul, 02792 Republic of Korea ,Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology (UST), Seoul, 02792 Republic of Korea
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5
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Kobayashi Y, Kida Y, Kabuto Y, Morihara T, Sukenari T, Nakagawa H, Onishi O, Oda R, Kida N, Tanida T, Matsuda KI, Tanaka M, Takahashi K. Healing Effect of Subcutaneous Administration of Granulocyte Colony-Stimulating Factor on Acute Rotator Cuff Injury in a Rat Model. Tissue Eng Part A 2021; 27:1205-1212. [PMID: 34432525 DOI: 10.1089/ten.tea.2020.0239.a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Granulocyte colony-stimulating factor (G-CSF) is a cytokine that mobilizes bone marrow-derived cells (BMDCs) to peripheral blood and has been clinically used to treat neutropenia. Previously, we reported that BMDCs migrated into the rotator cuff repair site via peripheral blood in the healing process. However, techniques to accelerate the healing process using the peripheral blood pathway have not been established. We evaluated whether G-CSF has a noteworthy effect on improving rotator cuff healing by enhancing the influx of BMDCs into the peripheral blood. We used Sprague-Dawley rats and chimeric rats, selectively expressing green fluorescent protein (GFP) in BMDCs. Their bilateral supraspinatus tendons were resected and sutured to the greater tuberosity of the humerus using the Masson-Allen technique, and G-CSF was subcutaneously injected for 5 days after surgery. Several GFP-positive cells were observed around the enthesis in the G-CSF-treated group compared with that in the Control group. Histological analysis revealed that the tendon-to-bone maturing scores and the Safranin O-stained cartilaginous areas were significantly higher in G-CSF-injected rats than in the control rats at weeks 4 and 8 after surgery. Consistently, the ultimate force to failure in the G-CSF-treated group significantly increased compared with the Control group at weeks 4 and 8 after surgery. These results suggest that BMDCs mobilized into the peripheral blood after G-CSF administration migrated to the rotator cuff repair area and effectively enhanced rotator cuff healing by promoting tenocyte and cartilage matrix production. In conclusion, the BMDC mobilization technique by G-CSF treatment via peripheral blood will provide a potential therapeutic approach for rotator cuff healing with clinically relevant applications. Impact statement As the retear rate following rotator cuff repair is high, new methods to aid its healing are required. Granulocyte colony-stimulating factor (G-CSF) has been used clinically and may represent a novel approach to treating rotator cuff tear. Herein, using a rat model, we elucidate the kinetics of bone marrow-derived mesenchymal stem cells at the repair site following G-CSF administration and describe the underlying mechanism by which G-CSF can help promote the repair of the rotator cuff.
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Affiliation(s)
- Yusuke Kobayashi
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yoshikazu Kida
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yukichi Kabuto
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Toru Morihara
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Tsuyoshi Sukenari
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Haruhiko Nakagawa
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Okihiro Onishi
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Ryo Oda
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Noriyuki Kida
- Faculty of Arts and Sciences, Kyoto Institute of Technology, Kyoto, Japan
| | - Takashi Tanida
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Ken Ichi Matsuda
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Masaki Tanaka
- Department of Anatomy and Neurobiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kenji Takahashi
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
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6
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Molatlhegi RP, Ngcobo S, Liebenberg LJP, Ngcapu S, Mabhula A, Leslie A, Mchunu N, Zondi MM, Adamson JH, Govender K, Samsunder N, Karim SSA, Karim QA, Passmore JAS, Sivro A, McKinnon LR. Genital and systemic immune effects of the injectable, contraceptive norethisterone enanthate (NET-EN), in South African women. Am J Reprod Immunol 2021; 86:e13411. [PMID: 33641222 DOI: 10.1111/aji.13411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/22/2021] [Accepted: 02/25/2021] [Indexed: 12/25/2022] Open
Abstract
PROBLEM Injectable hormonal contraceptives (IHC) have been associated with altered mucosal and systemic milieu which might increase HIV risk, but most studies have focused on DMPA and not NET-EN, despite the growing popularity and lower HIV risk associated with the latter in observational studies. METHOD OF STUDY We used high-performance liquid chromatography in combination with tandem triple quadrupole mass spectrometry (HPLC-LC-MS/MS) to measure steroid hormones in plasma samples of CAPRISA004 study participants. Concentrations of 48 cytokines were measured in the cervicovaginal lavage (CVL) and plasma, and their expression was compared between participants with detectable NET-EN (n = 201) versus non-detectable IHC (n = 90). Each log10 cytokine concentration was tested as an outcome in linear-mixed models, with NET-EN detection as the main explanatory variable. Multivariable models were adjusted for potential confounders. RESULTS In bivariate analysis, detectable NET-EN was associated with reduced cervicovaginal M-CSF (P = 0.008), GM-CSF (P = 0.025) and G-CSF (P = 0.039), and elevated levels MIF (P = 0.008), IL-18 (P = 0.011), RANTES (P = 0.005) and IL-1Rα (P < 0.001). Lower G-CSF (P = 0.011) and elevated IL-1Rα (P = 0.008) remained significant in adjusted models. Multivariable analyses of plasma samples obtained from NET-EN-detectable women showed a significant increase in IP-10 (P = 0.026) and reductions in TNF-β (P = 0.037), RANTES (P = 0.009), and M-CSF (P < 0.001). While similar growth factor reduction in CVL was noted for both DMPA and NET-EN, similar trends were not observed for endogenous progesterone. CONCLUSIONS Detectable NET-EN was associated with reduced growth factors in the plasma and genital tract; particularly G-CSF and M-CSF. Our results suggest that while NET-EN is not inflammatory, it may have important immunological effects.
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Affiliation(s)
- Refilwe P Molatlhegi
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa.,Department of Medical Microbiology, University of KwaZulu-Natal, Durban, South Africa
| | - Samkelisiwe Ngcobo
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa.,Department of Medical Microbiology, University of KwaZulu-Natal, Durban, South Africa
| | - Lenine J P Liebenberg
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa.,Department of Medical Microbiology, University of KwaZulu-Natal, Durban, South Africa
| | - Sinaye Ngcapu
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa.,Department of Medical Microbiology, University of KwaZulu-Natal, Durban, South Africa
| | - Amanda Mabhula
- African Health Research Institute (AHRI), Durban, South Africa
| | - Alasdair Leslie
- African Health Research Institute (AHRI), Durban, South Africa
| | - Nobuhle Mchunu
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa.,Biostatistics Unit, South African Medical Research Council (SAMRC), Durban, South Africa.,School of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, Pietermaritzburg, South Africa
| | - Mthobisi M Zondi
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
| | - John H Adamson
- African Health Research Institute (AHRI), Durban, South Africa
| | - Katya Govender
- African Health Research Institute (AHRI), Durban, South Africa
| | - Natasha Samsunder
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
| | - Salim S Abdool Karim
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa.,Department of Epidemiology, Columbia University, New York City, New York, USA
| | - Quarraisha Abdool Karim
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa.,Department of Epidemiology, Columbia University, New York City, New York, USA
| | - Jo-Ann S Passmore
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa.,Institute of Infectious Disease and Molecular Medicine (IDM), University of Cape Town, Cape Town, South Africa
| | - Aida Sivro
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa.,Department of Medical Microbiology, University of KwaZulu-Natal, Durban, South Africa.,Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Lyle R McKinnon
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa.,Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Manitoba, Canada.,Department of Medical Microbiology, University of Nairobi, Nairobi, Kenya
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7
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Plasma concentration of injectable contraceptive correlates with reduced cervicovaginal growth factor expression in South African women. Mucosal Immunol 2020; 13:449-459. [PMID: 31896762 DOI: 10.1038/s41385-019-0249-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 11/10/2019] [Accepted: 12/15/2019] [Indexed: 02/06/2023]
Abstract
Long-acting injectable contraceptives have been associated with mucosal immune changes and increased HIV acquisition, but studies have often been hampered by the inaccuracy of self-reported data, unknown timing of injection, and interactions with mucosal transmission co-factors. We used mass spectrometry to quantify the plasma concentrations of injectable contraceptives in women from the CAPRISA004 study (n = 664), with parallel quantification of 48 cytokines and >500 host proteins in cervicovaginal lavage. Higher DMPA levels were associated with reduced CVL concentrations of GCSF, MCSF, IL-16, CTACK, LIF, IL-1α, and SCGF-β in adjusted linear mixed models. Dose-dependent relationships between DMPA concentration and genital cytokines were frequently observed. Unsupervised clustering of host proteins by DMPA concentration suggest that women with low DMPA had increases in proteins associated with mucosal fluid function, growth factors, and keratinization. Although DMPA was not broadly pro-inflammatory, DMPA was associated with increased IP-10 in HSV-2 seropositive and older women. DMPA-cytokine associations frequently differed by vaginal microbiome; in non-Lactobacillus-dominant women, DMPA was associated with elevated IL-8, MCP-1, and IP-10 concentrations. These data confirm a direct, concentration-dependant effect of DMPA on functionally important immune factors within the vaginal compartment. The biological effects of DMPA may vary depending on age, HSV-2 status, and vaginal microbiome composition.
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8
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Elabd SS, Abo-Elnasr SE, Soliman GM, Sarhaan NI, Tawfik SM. Histological study of the effect of granulocyte colony-stimulating factor on experimentally induced corneal burn in adult male albino rats. Ultrastruct Pathol 2020; 44:116-129. [PMID: 32081069 DOI: 10.1080/01913123.2020.1713949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Chemical injuries to the eye represent one of the true ophthalmic emergencies that require immediate and intensive intervention to minimize severe complications and visual loss. Granulocyte colony-stimulating factor (G-CSF) is a potent hematopoietic cytokine that influences the proliferation, survival, maturation, and the functional activation of granulocytes. The present work was performed to evaluate the histological effect of G-CSF in treating rat corneal alkali burn model. Thirty adult male albino rats were divided equally into three main groups: Group I was served as a control group, and in Group II and III, their corneas of the right eyes were injured by applying a piece of filter paper soaked in 1M NaOH. Group II (alkali burn-induced group) was left without any treatment, while Group III (G-CSF-treated group) was injected subcutaneously by 100 µg/kg of G-CSF for 5 consecutive days. All animals were sacrificed after 3 weeks. Cornea specimens were processed for histological and immunohistochemical staining for P63 followed by morphometry. Microscopic examination of Group II revealed marked alterations in the corneal epithelium, inflammatory cellular infiltration, and neovascularization. Treatment with G-CSF showed great improvement of the corneal structure, disappearance of the neovascularization and the inflammatory cells, and decreased p63 reaction of the basal layers.
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Affiliation(s)
| | | | - Gehan M Soliman
- Histology and Cell Biology Department, Tanta University, Tanta, Egypt
| | - Naglaa I Sarhaan
- Histology and Cell Biology Department, Tanta University, Tanta, Egypt
| | - Sadika M Tawfik
- Histology and Cell Biology Department, Tanta University, Tanta, Egypt
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9
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Lopes L, Setia O, Aurshina A, Liu S, Hu H, Isaji T, Liu H, Wang T, Ono S, Guo X, Yatsula B, Guo J, Gu Y, Navarro T, Dardik A. Stem cell therapy for diabetic foot ulcers: a review of preclinical and clinical research. Stem Cell Res Ther 2018; 9:188. [PMID: 29996912 PMCID: PMC6042254 DOI: 10.1186/s13287-018-0938-6] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 06/15/2018] [Accepted: 06/20/2018] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Diabetic foot ulcer (DFU) is a severe complication of diabetes, preceding most diabetes-related amputations. DFUs require over US$9 billion for yearly treatment and are now a global public health issue. DFU occurs in the setting of ischemia, infection, neuropathy, and metabolic disorders that result in poor wound healing and poor treatment options. Recently, stem cell therapy has emerged as a new interventional strategy to treat DFU and appears to be safe and effective in both preclinical and clinical trials. However, variability in the stem cell type and origin, route and protocol for administration, and concomitant use of angioplasty confound easy interpretation and generalization of the results. METHODS The PubMed, Google Scholar, and EMBASE databases were searched and 89 preclinical and clinical studies were selected for analysis. RESULTS There was divergence between preclinical and clinical studies regarding stem cell type, origin, and delivery techniques. There was heterogeneous preclinical and clinical study design and few randomized clinical trials. Granulocyte-colony stimulating factor was employed in some studies but with differing protocols. Concomitant performance of angioplasty with stem cell therapy showed increased efficiency compared to either therapy alone. CONCLUSIONS Stem cell therapy is an effective treatment for diabetic foot ulcers and is currently used as an alternative to amputation for some patients without other options for revascularization. Concordance between preclinical and clinical studies may help design future randomized clinical trials.
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Affiliation(s)
- Lara Lopes
- Vascular Biology and Therapeutics Program and Department of Surgery , Yale School of Medicine, Yale University, New Haven, CT USA
- Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Ocean Setia
- Vascular Biology and Therapeutics Program and Department of Surgery , Yale School of Medicine, Yale University, New Haven, CT USA
| | - Afsha Aurshina
- Vascular Biology and Therapeutics Program and Department of Surgery , Yale School of Medicine, Yale University, New Haven, CT USA
| | - Shirley Liu
- Vascular Biology and Therapeutics Program and Department of Surgery , Yale School of Medicine, Yale University, New Haven, CT USA
| | - Haidi Hu
- Vascular Biology and Therapeutics Program and Department of Surgery , Yale School of Medicine, Yale University, New Haven, CT USA
| | - Toshihiko Isaji
- Vascular Biology and Therapeutics Program and Department of Surgery , Yale School of Medicine, Yale University, New Haven, CT USA
| | - Haiyang Liu
- Vascular Biology and Therapeutics Program and Department of Surgery , Yale School of Medicine, Yale University, New Haven, CT USA
| | - Tun Wang
- Vascular Biology and Therapeutics Program and Department of Surgery , Yale School of Medicine, Yale University, New Haven, CT USA
| | - Shun Ono
- Vascular Biology and Therapeutics Program and Department of Surgery , Yale School of Medicine, Yale University, New Haven, CT USA
| | - Xiangjiang Guo
- Vascular Biology and Therapeutics Program and Department of Surgery , Yale School of Medicine, Yale University, New Haven, CT USA
| | - Bogdan Yatsula
- Vascular Biology and Therapeutics Program and Department of Surgery , Yale School of Medicine, Yale University, New Haven, CT USA
| | - Jianming Guo
- Department of Vascular Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yongquan Gu
- Department of Vascular Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Tulio Navarro
- Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Alan Dardik
- Vascular Biology and Therapeutics Program and Department of Surgery , Yale School of Medicine, Yale University, New Haven, CT USA
- VA Connecticut Healthcare System, West Haven, CT USA
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Chang JW, Heo W, Choi MSS, Lee JH. The appropriate management algorithm for diabetic foot: A single-center retrospective study over 12 years. Medicine (Baltimore) 2018; 97:e11454. [PMID: 29979449 PMCID: PMC6076129 DOI: 10.1097/md.0000000000011454] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 06/18/2018] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Diabetic foot management is a challenge for reconstructive surgeons because it combines dramatically decreased circulation and chronic infection. The goal of managing this condition is to maximize viable tissue; however, unsatisfactory results, such as extremity amputation, are unavoidable in some cases. For appropriate management, thorough understanding of diabetic foot and the phased approach to its management is needed. The purpose of this study is to introduce an optimal algorithm for diabetic foot management by analyzing cases >12 years. METHODS A total of 274 patients with diabetic foot at Hanyang University Guri Hospital from 2005 to 2017 were reviewed. The management process was divided into 5 steps: patient evaluation, wound preparation, improving vascularity, surgery and dressing, and rehabilitation. Patient evaluation included a microbial culture, evaluation of vascularity, and an osteomyelitis assessment. During wound preparation, debridement and negative-pressure wound therapy were performed. Vascularity was improved by radiological intervention or surgical method. Surgery and dressing were performed depending on the indications. Rehabilitation was started after complete wound healing. RESULTS An infection was confirmed in 213 of 263 patients (81.0%). Of 74 cases in which a vascular study was performed, 83.8% showed arterial occlusion. When surgery was performed with complete eradication of the infection in 155 patients, the rate of revision surgery was 20.6%. The revision rate after surgery with a remnant infection of 66 patients was 40.9% (P = .0003). When surgery was performed after successful revascularization for improving blood flow of 47 patients, the rate of revision surgery was 21.3%. In contrast, the revision rate after surgery with unsuccessful or no revascularization of 174 patients was 28.2% (P = .359). CONCLUSION Diabetic foot is a debilitating disease arising from multifactorial process. As its management is complex, a comprehensive but accessible treatment algorithm is needed for successful results. For this reason, the appropriate algorithm for diabetic foot management introduced in this study is significant.
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Lim JE, Son Y. Endogenous Stem Cells in Homeostasis and Aging. Tissue Eng Regen Med 2017; 14:679-698. [PMID: 30603520 PMCID: PMC6171667 DOI: 10.1007/s13770-017-0097-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 11/06/2017] [Accepted: 11/07/2017] [Indexed: 12/22/2022] Open
Abstract
In almost all human tissues and organs, adult stem cells or tissue stem cells are present in a unique location, the so-called stem cell niche or its equivalent, continuously replenishing functional differentiated cells. Those endogenous stem cells can be expanded for cell therapeutics using ex vivo cell culture or recalled for tissue repair in situ through cell trafficking and homing. In the aging process, inefficiency in the endogenous stem cell-mediated healing mechanism can emerge from a variety of impairments that accumulate in the processes of stem cell self-renewal, function, differentiation capacity, and trafficking through cell autonomous intrinsic pathways (such as epigenetic alterations) or systemic extrinsic pathways. This review examines the homeostasis of endogenous stem cells, particularly bone marrow stem cells, and their dysregulation in disease and aging and discusses possible intervention strategies. Several systemic pro-aging and rejuvenating factors, recognized in heterochronic parabiosis or premature aging progeroid animal models, are reviewed as possible anti-aging pharmaceutical targets from the perspective of a healthy environment for endogenous stem cells. A variety of epigenetic modifications and chromosome architectures are reviewed as an intrinsic cellular pathway for aging and senescence. A gradual increase in inflammatory burden during aging is also reviewed. Finally, the tissue repair and anti-aging effects of Substance-P, a peptide stimulating stem cell trafficking from the bone marrow and modifying the inflammatory response, are discussed as a future anti-aging target.
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Affiliation(s)
- Ji Eun Lim
- Department of Genetic Engineering, College of Life Science and Graduate School of Biotechnology, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104 Republic of Korea
| | - Youngsook Son
- Department of Genetic Engineering, College of Life Science and Graduate School of Biotechnology, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 17104 Republic of Korea
- Kyung Hee Institute of Regenerative Medicine, Kyung Hee University Hospital, 24 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02453 Republic of Korea
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