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Al-Zahrani M, Bauthman NM, Alzahrani YA, Almohaimeed HM, Alsolami K, Al-Sarraj F, Hakeem GH, Alahmari MA, Azher ZA, Makhlof RTM. Transplantation of hyaluronic acid and menstrual blood-derived stem cells accelerated wound healing in a diabetic rat model. Tissue Cell 2024; 89:102442. [PMID: 38908224 DOI: 10.1016/j.tice.2024.102442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 05/31/2024] [Accepted: 06/10/2024] [Indexed: 06/24/2024]
Abstract
Diabetic wounds require a multifactorial approach because several factors are involved in its occurrence. Herein we investigated whether transplantation of hyaluronic acid (HA) in combination with menstrual blood derived stem cells (MenSCs) could promote healing in diabetic rats. Thirty days after induction of diabetes, sixty animals were randomly planned into four equal groups: the untreated group, HA group, MenSC group, and HA+MenSC group. Sampling was done for histological, molecular, and tensiometrical assessments. Our results indicated that the wound contraction rate, volumes of new epidermis and dermis, collagen density, as well as tensiometrical parameter were considerably increased in the treatment groups compared to the untreated group and these changes were more obvious in the HA+MenSC ones. In addition, the expression levels of TGF-β and VEGF genes were significantly upregulated in treatment groups in comparison with the untreated group and were greater in the HA+MenSC group. This is while expression levels of TNF-α and IL-1β genes were more considerably downregulated in the HA+MenSC group than the other groups. We concluded that the combined use of HA and MenSCs has more effects on diabetic wound healing.
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Affiliation(s)
- Majid Al-Zahrani
- Department of Biological Science, College of Science and Art, King Abdulaziz University, Rabigh, Saudi Arabia
| | - Nuha M Bauthman
- Department of Obstetrician and Gynecologist, Prince Sultan Medical City (Psmmc), Riyadh, Saudi Arabia
| | | | - Hailah M Almohaimeed
- Department of Basic Science, College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia.
| | - Khadeejah Alsolami
- Department of Pharmacology and Toxicology, College of Pharmacy, Taif University, Taif 21944, Saudi Arabia
| | - Faisal Al-Sarraj
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ghadeer H Hakeem
- Department of Consultant OBGYN, Quality Specialist, Prince Sultan Medical City (Psmmc), Riyadh, Saudi Arabia
| | - Maha Ali Alahmari
- Department of Consultant OBGYN, Quality Specialist, Prince Sultan Medical City (Psmmc), Riyadh, Saudi Arabia
| | - Zohor A Azher
- Department of Medical Genetics, College of Medicine, Umm Al-Qura University, Mecca, Saudi Arabia
| | - Raafat T M Makhlof
- Department of Parasitology, Faculty of Medicine, Umm Al Qura University, Makkah 21955, Saudi Arabia; Department of Parasitology, Faculty of Medicine, Minia University, Minia 61511, Egypt
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2
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Khalatbary AR, Sarabandi S, Ahmadi F, Kasmaie FM, Sadeghi N, Soleimani S, Disfani RA, Raoofi A, Nasiry D. Transplantation of bioengineered dermal derived matrix-scaffold in combination with hyperbaric oxygen therapy improves wound healing in diabetic rats. Tissue Cell 2024; 89:102462. [PMID: 39002289 DOI: 10.1016/j.tice.2024.102462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 06/30/2024] [Accepted: 07/01/2024] [Indexed: 07/15/2024]
Abstract
Successful treatment of diabetic wounds requires multifactorial approaches. Herein we investigated the effects of a bioengineered three-dimensional dermal derived matrix-scaffold (DMS) in combination with hyperbaric oxygen (HBO) in repairing of wound model in diabetic rats. Thirty days after induction of diabetes, a circular wound was created and treatments were performed for 21 days. Animals were randomly allocated into the untreated group, DMS group, HBO group, and DMS+HBO group. On days 7, 14, and 21, tissue samples were obtained for stereological, molecular, and tensiometrical assessments. Our results showed that the wound closure rate, volume of new dermis and epidermis, numerical density fibroblasts and blood vessels, collagen density, and biomechanical characterize were significantly higher in the treatment groups than in the untreated group, and these changes were more obvious in the DMS+HBO ones. Moreover, the expression of TGF-β, bFGF, miRNA-21, miRNA-146a, and VEGF genes were meaningfully upregulated in treatment groups compared to the untreated group and were greater in the DMS+HBO group. This is while expression of TNF-α and IL-1β, as well as the numerical density of neutrophil and macrophage decreased more considerably in the DMS+HBO group than in the other groups. Overall, using both DMS engraftment and HBO treatment has more effects on diabetic wound healing.
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Affiliation(s)
- Ali Reza Khalatbary
- Cellular and Molecular Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Sahel Sarabandi
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Fahimeh Ahmadi
- Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
| | - Farshad Moharrami Kasmaie
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Niloofar Sadeghi
- Department of Clinical, Amol Campus of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Saman Soleimani
- Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
| | - Reza Ataee Disfani
- Student Research Committee, Sabzevar University of Medical Science, Sabzevar, Iran
| | - Amir Raoofi
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Davood Nasiry
- Department of Preclinical, Amol Campus of Medicine, Mazandaran University of Medical Sciences, Sari, Iran..
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3
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Qiu C, Zhao Z, Xu C, Yuan R, Ha Y, Tu Q, Zhang H, Mu Z, Xin Q, Tian Y, Wang A, Wang H, Shi Y. Nebulized milk exosomes loaded with siTGF-β1 ameliorate pulmonary fibrosis by inhibiting EMT pathway and enhancing collagen permeability. J Nanobiotechnology 2024; 22:434. [PMID: 39044233 PMCID: PMC11267965 DOI: 10.1186/s12951-024-02721-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 07/14/2024] [Indexed: 07/25/2024] Open
Abstract
Pulmonary Fibrosis (PF) is a fatal disease in the interstitial lung associated with high mortality, morbidity, and poor prognosis. Transforming growth factor-β1 (TGF-β1) is a fibroblast-activating protein that promotes fibrous diseases. Herein, an inhalable system was first developed using milk exosomes (M-Exos) encapsulating siRNA against TGF-β1 (MsiTGF-β1), and their therapeutic potential for bleomycin (BLM)-induced PF was investigated. M-siTGF-β1 was introduced into the lungs of mice with PF through nebulization. The collagen penetration effect and lysosomal escape ability were verified in vitro. Inhaled MsiTGF-β1 notably alleviated inflammatory infiltration, attenuated extracellular matrix (ECM) deposition, and increased the survival rate of PF mice by 4.7-fold. M-siTGF-β1 protected lung tissue from BLM toxicity by efficiently delivering specific siRNA to the lungs, leading to TGF-β1 mRNA silencing and epithelial mesenchymal transition pathway inhibition. Therefore, M-siTGF-β1 offers a promising avenue for therapeutic intervention in fibrosis-related disorders.
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Affiliation(s)
- Chong Qiu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Ministry of Education, Yantai University, Yantai, 264005, PR China
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Artemisinin Research Center, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Zhenyu Zhao
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Ministry of Education, Yantai University, Yantai, 264005, PR China
| | - Chenglin Xu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Ministry of Education, Yantai University, Yantai, 264005, PR China
| | - Ranran Yuan
- College of Life Science, Yantai University, Yantai, 264005, P.R. China
| | - Yuxuan Ha
- Ontario Virtual School, 4789 Yonge Street, Unit 705, Toronto, ON, M2N 0G3, Canada
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Artemisinin Research Center, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Qingchao Tu
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Artemisinin Research Center, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Houqian Zhang
- College of Life Science, Yantai University, Yantai, 264005, P.R. China
| | - Zhen Mu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Ministry of Education, Yantai University, Yantai, 264005, PR China
| | - Quanlin Xin
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Ministry of Education, Yantai University, Yantai, 264005, PR China
| | - Yu Tian
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Ministry of Education, Yantai University, Yantai, 264005, PR China
| | - Aiping Wang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Ministry of Education, Yantai University, Yantai, 264005, PR China
| | - Hongbo Wang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Ministry of Education, Yantai University, Yantai, 264005, PR China.
| | - Yanan Shi
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Ministry of Education, Yantai University, Yantai, 264005, PR China.
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Alghamdi A, Hjazi A, Alghamdi SA, Aloraini GS, Alshehri MA, Alsuwat MA, Albelasi A, Alissa M. Experimental study on the effects of human amniotic membrane in combination with menstrual blood-derived stem cells on wound healing in a diabetic rat model. Tissue Cell 2024; 88:102419. [PMID: 38810349 DOI: 10.1016/j.tice.2024.102419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 05/18/2024] [Accepted: 05/20/2024] [Indexed: 05/31/2024]
Abstract
One of the serious challenges in diabetic patients is the occurrence of complications caused by the disease. One of the most important side effects is wounding in limbs. Due to the multifactorial nature of these wounds, treatments require a multifaceted approach. Therefore, the aim of the present study was whether the human amniotic membrane (HAM) in combination with menstrual blood-derived stem cells (MenSCs) could promote wound healing in diabetic rats. Thirty days after induction of diabetes, the animals were randomly allocated into four equal groups (n=15): the control group, HAM group, MenSC group, and HAM+MenSC group. Sampling was done on days 7, 14, and 21 for histological, molecular, and tensiometrical evaluations. The results showed that the wound healing rate, collagen deposition, volumes of new epidermis and dermis, as well as tensiometrical characteristics were significantly increased in the treatment groups compared to the control group, and these changes were more obvious in the HAM+MenSC ones (P<0.05). Moreover, the expression levels of TGF-β, bFGF, and VEGF genes were considerably increased in treatment groups compared to the control group and were greater in the HAM+MenSC group (P<0.05). This is while expression levels of TNF-α and IL-1β decreased more significantly in the HAM+MenSC group than the other groups (P<0.05). We concluded that the combined use of HAM and MenSCs has a more significant effect on diabetic wound healing.
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Affiliation(s)
- Abdullah Alghamdi
- Department of Medical Laboratory, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Ahmed Hjazi
- Department of Medical Laboratory, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Suad A Alghamdi
- Department of Medical Laboratory, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Ghfren S Aloraini
- Department of Medical Laboratory, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Mohammed A Alshehri
- Department of Medical Laboratory, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Meshari A Alsuwat
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif 21974, Saudi Arabia
| | - Abdullah Albelasi
- Department of Medical Laboratories, College of Applied Medical Sciences, Shaqra University, Shaqra 11961, Saudi Arabia
| | - Mohammed Alissa
- Department of Medical Laboratory, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia.
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Bour F, Khalilollah S, Omraninava M, Mirzaie MS, Taghiloo S, Mehrparvar S, Nasiry D, Raoofi A. Three-dimensional bioengineered dermal derived matrix scaffold in combination with adipose-derived stem cells accelerate diabetic wound healing. Tissue Cell 2024; 87:102302. [PMID: 38219451 DOI: 10.1016/j.tice.2024.102302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/18/2023] [Accepted: 01/02/2024] [Indexed: 01/16/2024]
Abstract
Due to the multifactorial nature of diabetic wounds, the most effective treatments require combinatorial approach. Herein we investigated whether engraftment of a bioengineered three-dimensional dermal derived matrix scaffold (DDMS) in combination with adipose-derived stem cells (ADSs), could accelerate diabetic wound healing. Diabetic animals were randomly planned into the control group, DDMS group, ADS group, and DDMS+ADS group. On days 7, 14, and 21, tissue samples were obtained for stereological, molecular, and tensiometrical assessments. We found that the wound contraction rate, the total volumes of new epidermis and dermis, the numerical densities of fibroblasts and blood vessels, collagen density, and tensiometrical parameters were meaningfully greater in the treated groups than in the control group, and these changes were more obvious in the DDMS+ADS ones (p < 0.05). Moreover, the expression of TGF-β, bFGF, and VEGF genes were considerably upregulated in treated groups compared to the control group and were greater in the DDMS+ADS group (p < 0.05). This is while expression of TNF-α and IL-1β, as well as the numerical densities of neutrophils and macrophages decreased more considerably in the DDMS+ADS group than in the other groups (p < 0.05). Overall, it was found that using both DDMS engraftment and ADS transplantation has more impact on diabetic wound healing.
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Affiliation(s)
- Fatemeh Bour
- Babol University of Medical Sciences, Babol, Iran
| | - Shayan Khalilollah
- School of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Melody Omraninava
- Health Reproductive Research Center, Islamic Azad University, Sari, Iran
| | | | - Saeid Taghiloo
- School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Sophia Mehrparvar
- Student Research Committee, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Davood Nasiry
- Department of Paramedicine, Amol School of Paramedical Sciences, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Amir Raoofi
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran.
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Monteiro MM, Amorim Dos Santos J, Paiva Barbosa V, Rezende TMB, Guerra ENS. Photobiomodulation effects on fibroblasts and keratinocytes after ionizing radiation and bacterial stimulus. Arch Oral Biol 2024; 159:105874. [PMID: 38147800 DOI: 10.1016/j.archoralbio.2023.105874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/02/2023] [Accepted: 12/13/2023] [Indexed: 12/28/2023]
Abstract
OBJECTIVE Photobiomodulation therapy (PBMT) has proven to reduce inflammation and pain and increase wound healing. Thus, the aim of this study was to analyze the effects of PBMT parameters on migration, proliferation, and gene expression after ionizing radiation and bacterial-induced stress in an in vitro study. DESIGN Keratinocytes (HaCaT) and Fibroblasts (HGFs) were grown in DMEM with 10 % fetal bovine serum until stressful condition induction with lipopolysaccharide (LPS) of Escherichia coli (1 µg/mL), Porphyromonas gingivalis protein extract (5 µg/mL) and ionizing radiation (8 Gy). Low-laser irradiation (660 nm, 30 mW) was carried out in four sessions, with 6 h intervals, and energy density of 2, 3, 4, and 5 J/cm². Scratch assays, immunofluorescence, and RT-qPCR were performed. RESULTS Treated fibroblasts and keratinocytes showed significant response in proliferation and migration after scratch assays (p < 0.05). Higher expressions of α-SMA in fibroblasts and F-actin in keratinocytes were observed in cells subjected to 3 J/cm². PI3K-pathway genes expression tended to enhance in fibroblasts, presenting a higher relative expression when compared to keratinocytes. In keratinocytes, PBMT groups demonstrated deregulated expression for all inflammatory cytokines' genes tested while fibroblasts presented a tendency to enhance those genes expression in a dose dependent way. CONCLUSIONS The present study showed that delivering 660 nm, 30 mW was effective to stimulate cell migration, proliferation and to accelerate wound healing. PBMT can modulate cytokines and pathways involved in wound repair. The different energy densities delivering distinct responses in vitro highlights that understanding laser parameters is fundamental to improve treatment strategies.
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Affiliation(s)
- Mylene Martins Monteiro
- University of Brasília, Brasília, Laboratory of Oral Histopathology, Health Sciences Faculty, Brazil
| | - Juliana Amorim Dos Santos
- University of Brasília, Brasília, Laboratory of Oral Histopathology, Health Sciences Faculty, Brazil
| | - Victor Paiva Barbosa
- University of Brasília, Brasília, Laboratory of Oral Histopathology, Health Sciences Faculty, Brazil
| | - Taia Maria Berto Rezende
- University of Brasília, Brasília, Laboratory of Oral Histopathology, Health Sciences Faculty, Brazil
| | - Eliete Neves Silva Guerra
- University of Brasília, Brasília, Laboratory of Oral Histopathology, Health Sciences Faculty, Brazil.
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Lin P, Niimi H, Hirota T, Ohsugi Y, Shimohira T, Toyoshima K, Katagiri S, Iwata T, Aoki A. Effects of low-level Er:YAG laser irradiation on proliferation and gene expression in primary gingival fibroblasts isolated from mouse maxilla. JOURNAL OF BIOPHOTONICS 2024; 17:e202300166. [PMID: 37975254 DOI: 10.1002/jbio.202300166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 10/06/2023] [Accepted: 10/24/2023] [Indexed: 11/19/2023]
Abstract
We investigated the effects of low-level Er:YAG laser irradiation on proliferation and alternations in early gene expression of gingival fibroblasts. Mice primary gingival fibroblasts were irradiated with an Er:YAG laser (1.8, 3.9, and 5.8 J/cm2 ). Irradiation at 3.9 J/cm2 promoted cell proliferation without significant changes in lactate dehydrogenase or Hspa1a expression. Three hours after irradiation at 3.9 J/cm2 , the Fn1 expression level was significantly increased. RNA-seq identified 15 differentially expressed genes between irradiated and non-irradiated cells, some of which belonged to immediate early genes (IEGs). Kyoto Encyclopedia of Genes and Genomes pathway analysis indicated MAPK pathway enhancement, and gene set enrichment analysis showed enrichment in the TGF-β signaling gene set. Enhanced proliferation via laser irradiation disappeared upon inhibition of Dusp4, Dusp5, and Tgfr1 expression. Low-level Er:YAG laser irradiation, especially at 3.9 J/cm2 without a major temperature elevation, enhanced fibroblast proliferation, via TGF-β and the MAPK signaling pathway following IEG expression.
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Affiliation(s)
- Peiya Lin
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Hiromi Niimi
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Tomomitsu Hirota
- Division of Molecular Genetics, Research Center for Medical Science, The Jikei University School of Medicine, Tokyo, Japan
| | - Yujin Ohsugi
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Tsuyoshi Shimohira
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Keita Toyoshima
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Sayaka Katagiri
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Takanori Iwata
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Akira Aoki
- Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
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Huang J, Wu J, Chen Y, Xu T, Wang K, Rui Y. Experimental study on the mechanical properties and thermal damage of laser welding the ruptured flexor digitorum longus tendons. JOURNAL OF BIOPHOTONICS 2024; 17:e202300373. [PMID: 38010349 DOI: 10.1002/jbio.202300373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 11/29/2023]
Abstract
To investigate the influence of laser parameters on the performance of tendon tissue, experiments were conducted and the process of laser-assisted tendon welding was studied. Several conclusions were drawn by analyzing the effects of laser parameters on the tensile strength, microstructure, and collagen content of tendon tissue incisions. The optimal parameters for laser welding tendon tissue were found to be a laser power of 5 W, a scanning speed of 150 mm/s, and a defocus amount of 0 mm, resulting in a laser energy density of 32.164 J/cm2 . At these parameters, the percentage of inactivated cells due to thermal damage was only 23.78%, and the tensile strength of the tendon tissue incisions reached 0.61 MPa. Additionally, the collagen content around the incision was measured to be 33.679%, composed of type I and type III collagens, with the latter accounting for 50.714% of the total collagen content.
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Affiliation(s)
- Jun Huang
- School of Material Science and Technology, Nanjing University of Science and Technology, Nanjing, China
| | - Jinjin Wu
- School of Material Science and Technology, Nanjing University of Science and Technology, Nanjing, China
| | - Yuxin Chen
- School of Material Science and Technology, Nanjing University of Science and Technology, Nanjing, China
| | - Tongyu Xu
- School of Material Science and Technology, Nanjing University of Science and Technology, Nanjing, China
| | - Kehong Wang
- School of Material Science and Technology, Nanjing University of Science and Technology, Nanjing, China
| | - Yunfeng Rui
- Southeast University, Zhong da Hospital Department of Orthopaedics, Nanjing, China
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Abirami G, Alexpandi R, Jayaprakash E, Roshni PS, Ravi AV. Pyrogallol loaded chitosan-based polymeric hydrogel for controlling Acinetobacter baumannii wound infections: Synthesis, characterization, and topical application. Int J Biol Macromol 2024; 259:129161. [PMID: 38181925 DOI: 10.1016/j.ijbiomac.2023.129161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 12/28/2023] [Accepted: 12/29/2023] [Indexed: 01/07/2024]
Abstract
Antibacterial hydrogels have emerged as a promising approach for wound healing, owing to their ability to integrate antibacterial agents into the hydrogel matrix. Benefiting from its remarkable antibacterial and wound-healing attributes, pyrogallol has been introduced into chitosan-gelatin for the inaugural development of an innovative antibacterial polymeric hydrogel tailored for applications in wound healing. Hence, we observed the effectiveness of pyrogallol in inhibiting the growth of A. baumannii, disrupting mature biofilms, and showcasing robust antioxidant activity both in vitro and in vivo. In addition, pyrogallol promoted the migration of human epidermal keratinocytes and exhibited wound healing activity in zebrafish. These findings suggest that pyrogallol holds promise as a therapeutic agent for wound healing. Interestingly, the pyrogallol-loaded chitosan-gelatin (Pyro-CG) hydrogel exhibited enhanced mechanical strength, stability, controlled drug release, biodegradability, antibacterial activity, and biocompatibility. In vivo results established that Pyro-CG hydrogel promotes wound closure and re-epithelialization in A. baumannii-induced wounds in molly fish. Therefore, the prepared Pyro-CG polymeric hydrogel stands poised as a potent and promising agent for wound healing with antibacterial properties. This holds considerable promise for the development of effective therapeutic interventions to address the increasing menace of A. baumannii-induced wound infections.
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Affiliation(s)
- Gurusamy Abirami
- Lab in Microbiology and Marine Biotechnology, Department of Biotechnology, School of Biological Sciences, Alagappa University, Karaikudi 630 003, India
| | - Rajaiah Alexpandi
- Lab in Microbiology and Marine Biotechnology, Department of Biotechnology, School of Biological Sciences, Alagappa University, Karaikudi 630 003, India; The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Erusappan Jayaprakash
- Lab in Microbiology and Marine Biotechnology, Department of Biotechnology, School of Biological Sciences, Alagappa University, Karaikudi 630 003, India
| | - Prithiviraj Swasthikka Roshni
- Lab in Microbiology and Marine Biotechnology, Department of Biotechnology, School of Biological Sciences, Alagappa University, Karaikudi 630 003, India
| | - Arumugam Veera Ravi
- Lab in Microbiology and Marine Biotechnology, Department of Biotechnology, School of Biological Sciences, Alagappa University, Karaikudi 630 003, India.
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Yang J, Zhang L, Sun S, Zhang S, Ding Q, Chai G, Yu W, Zhao T, Shen L, Gao Y, Liu W, Ding C. A dihydromyricetin-loaded phellinus igniarius polysaccharide/l-arginine modified chitosan-based hydrogel for promoting wound recovery in diabetic mice via JNK and TGF-β/Smad signaling pathway. Int J Biol Macromol 2024; 259:129124. [PMID: 38176509 DOI: 10.1016/j.ijbiomac.2023.129124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/21/2023] [Accepted: 12/27/2023] [Indexed: 01/06/2024]
Abstract
The wound of diabetes has long-term excessive inflammation leading to wound fibrosis and scar formation. In the process of diabetic wound healing, good wound dressing is required for intervention. In this study, we designed a dihydromyricetin-loaded hydrogel (PCD) based on phellinus igniarius polysaccharide and l-arginine modified chitosan as an alternative material to promote diabetes wound healing. PCD had a uniform porous structure, good thermal stability, excellent mechanical properties, high water absorption, excellent antioxidant and anti-inflammatory activities and good biocompatibility and biodegradability. In addition, in the full-thickness skin trauma model of diabetes, PCD significantly inhibited the JNK signaling pathway to reduce inflammatory response, and significantly down-regulated the expression of TGF-β1, Smad2, Smad3 and Smad4 to directly inhibit the TGF-β/Smad signaling pathway to accelerate wound healing and slow down scar formation in diabetes mice. Therefore, PCD has a broad application prospect in promoting diabetes wound healing.
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Affiliation(s)
- Jiali Yang
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China
| | - Lifeng Zhang
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China
| | - Shuwen Sun
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China
| | - Shuai Zhang
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China
| | - Qiteng Ding
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China
| | - Guodong Chai
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China
| | - Weimin Yu
- College of Traditional Chinese Medicine, Jilin Agricultural University, Changchun 130118, China
| | - Ting Zhao
- College of Traditional Chinese Medicine, Jilin Agriculture Science and Technology College, Jilin 132101, China
| | - Liqian Shen
- Jilin Province Jianwei Natural Biotechnology Co., Ltd., Baishan 134600, China
| | - Yang Gao
- Jilin Province Jianwei Natural Biotechnology Co., Ltd., Baishan 134600, China
| | - Wencong Liu
- School of Food and Pharmaceutical Engineering, Wuzhou University, Wuzhou 543002, China.
| | - Chuanbo Ding
- College of Traditional Chinese Medicine, Jilin Agriculture Science and Technology College, Jilin 132101, China.
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11
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Azimi-Bahnamiri F, Mokhtari H, Khalilollah S, Soltanahmadi SV, Omraninava M, Disfani RA, Mirzaie MS, Ranjbaran H, Javan R, Shooraj M, Akhavan-Sigari R. Decellularized human amniotic membrane loaded with epigallocatechin-3-gallate accelerated diabetic wound healing. J Tissue Viability 2024; 33:18-26. [PMID: 38042701 DOI: 10.1016/j.jtv.2023.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 11/10/2023] [Accepted: 11/24/2023] [Indexed: 12/04/2023]
Abstract
Diabetic wounds, as one of the most important complications of diabetes, face many challenges in treatment. Herein we investigated whether decellularized human amniotic membrane (dAM) loaded with epigallocatechin-3-gallate (EGCG) could promote healing in diabetic rats. Sixty diabetic rats were randomly planned into the untreated group, dAM group, EGCG group, and dAM + EGCG group. On days 7, 14, and 21, five rats from each group were sampled for stereological, molecular, and tensiometrical assessments. Our finding revealed that the wound closure rate, the total volumes of new epidermis and dermis, the numerical densities of fibroblasts, blood vessels, collagen density as well as tensiometrical parameters of the healed wounds were considerably increased in the treated groups than in the untreated group, and these changes were more obvious in the dAM + EGCG ones. Furthermore, the expression of TGF-β, bFGF, and VEGF genes were significantly upregulated in all treated groups compared to the untreated group and were greater in the dAM + EGCG group. This is while expression of TNF-α and IL-1β, as well as cell numerical densities of neutrophils and macrophages decreased more considerably in the dAM + EGCG group in comparison to the other groups. In conclusion, it was found that using both dAM transplantation and EGCG has more effect on diabetic wound healing.
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Affiliation(s)
| | - Hossein Mokhtari
- Amol School of Paramedical Sciences, Mazandaran University of Medical Sciences, Sari, Iran
| | - Shayan Khalilollah
- School of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | | | - Melody Omraninava
- Health Reproductive Research Center, Islamic Azad University, Sari, Iran
| | | | | | - Hossein Ranjbaran
- Immunogenetics Research Center, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Roghayeh Javan
- Non-Comunicable Disease Risearch Center, Sabzevar University of Medical Sciences, Sabzevar, Iran.
| | - Mahdi Shooraj
- Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
| | - Reza Akhavan-Sigari
- University Medical Center, Tuebingen, Germany; Department of Health Care Management and Clinical Research, Collegium Humanum Warsaw Management University Warsaw, Poland
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12
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Li BZ, Lin CY, Xu WB, Zhang YM, Shao QJ, Dong WR, Shu MA. The first identification and functional analysis of two drosophila mothers against decapentaplegic protein genes (SpSmad1 and SpSmad2/3) and their involvement in the innate immune response in Scylla paramamosain. FISH & SHELLFISH IMMUNOLOGY 2023; 143:109183. [PMID: 37884105 DOI: 10.1016/j.fsi.2023.109183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 10/19/2023] [Accepted: 10/23/2023] [Indexed: 10/28/2023]
Abstract
Smad,a member of the TGF-β superfamily,controls cell proliferation,growth and guiding cell differentiation, thus playing a crucial role in diseases. However, the presence as well as specific function of Smad in crabs is still unknown. In this study, two Smads (Smad1 and Smad2/3) were identified for the first time from the mud crab Scylla paramamosain. The complete open reading frames of SpSmad1 and SpSmad2/3 were 1,497bp and 1,338bp, encoding deduced proteins of 498 and 445 amino acids respectively. Moreover, under the administration of Vibrio alginolyticus and WSSV, the relative expression levels of SpSmad1 and SpSmad2/3 were significantly increased, indicating their involvement in the innate immune response of mud crabs. Knockdown of SpSmad1 and SpSmad2/3 in vivo not only led to the increasement of the expressions of NF-κB signaling genes and antimicrobial peptides genes, but also significantly affected the bacterial clearance process of mud crabs. Additionally, overexpression of SpSmad1 and SpSmad2/3 in HEK293T cells could markedly activate NF-κB signaling. These results indicated that Smad1 and Smad2/3 participated in the innate immunity of Scylla paramamosain, and might provide a better understanding of the presence and immune regulatory functions of Smad1 and Smad2/3 in crabs and even invertebrates.
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Affiliation(s)
- Bang-Ze Li
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Chen-Yang Lin
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Wen-Bin Xu
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yan-Mei Zhang
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Qing-Jun Shao
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Wei-Ren Dong
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Miao-An Shu
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China.
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Nasiry D, Khalatbary AR, Noori A, Abouhamzeh B, Jamalpoor Z. Accelerated wound healing using three-dimensional amniotic membrane scaffold in combination with adipose-derived stem cells in a diabetic rat model. Tissue Cell 2023; 82:102098. [PMID: 37121056 DOI: 10.1016/j.tice.2023.102098] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 05/02/2023]
Abstract
The most important factors in the non-optimal healing of diabetic wounds are the lack of a suitable scaffold in the wound site for the migration and replacement of cells, as well as the lack of blood supply and effective growth factors in the wound site. Herein we investigated whether a bioengineered micro-porous three-dimensional decellularized amniotic membrane-scaffold (DAMS) in combination with adipose-derived stem cells (ASCs) could promote healing in ischemic wounds in diabetic type 1 rat. The diabetic animals were randomly divided into non-treated (untreated group), engraftment by DAMS (DAMS group), transplanted by ASCs (ASC group), and DAMS in combination with ASCs (DAMS+ASC group). Stereological, immunohistochemical, molecular, and tensiometrical assessments were performed on post-surgical days 7, 14, and 21. We found that the rate of wound closure, the volumes of new epidermis and dermis, the numerical density of fibroblasts and blood vessels, the numbers of proliferating cells and collagen deposition as well as biomechanical properties of the healed wounds were significantly higher in the treatment groups in comparison to the untreated group, and were the highest in DAMS+ASC ones. The transcripts for TGF-β and VEGF genes were significantly upregulated in all treatment regimens compared to the untreated group and were the highest for DAMS+ASC group. This is while expression of TNF-α and IL-1β as well as cell density of neutrophils decreased more significantly in DAMS+ASC group as compared with other groups. Overall, it was found that using both DAMS engraftment and ASC transplantation has more impact on diabetic wound healing.
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Affiliation(s)
- Davood Nasiry
- Trauma Research Center, Aja University of Medical Sciences, Tehran, Iran
| | - Ali Reza Khalatbary
- Cellular and Molecular Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Afshin Noori
- Cardio-Pulmonary Institute, Department of Pulmonary and Critical Care Medicine and Infectious Diseases, Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig University Giessen, 35392 Giessen, Germany
| | | | - Zahra Jamalpoor
- Trauma Research Center, Aja University of Medical Sciences, Tehran, Iran.
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Yang Q, Wang S, He Y, Zhang Y. The research progress on the molecular mechanism of corneal cross-linking in keratoconus treatment. Cont Lens Anterior Eye 2023; 46:101795. [PMID: 36549953 DOI: 10.1016/j.clae.2022.101795] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 12/24/2022]
Abstract
Keratoconus (KC) is a corneal anomaly that is manifested in a limited cone-like bulge with corneal thinning. Many molecules in the cornea change during the development of KC, including various components of the extracellular matrix, cytokines, cell connection, and cell adhesion-related proteins. Several treatment options are available, with corneal cross-linking (CXL) being the treatment of choice for early KC. However, postoperative complications have been reported in some CXL patients, mainly caused by corneal epithelial resection. Despite the fact that some novel approaches have helped to reduce some of the initial post-operative issues, their effectiveness seems to be inferior to that of the original CXL. To keep effectiveness while avoiding these negative effects, it is necessary to study the mechanism of CXL in KC treatment at the molecular level. This article provides a review of the molecular mechanism of CXL in the treatment of KC from four aspects: enzyme activity, signal transduction pathway, corneal-related proteins, and other KC-related molecules, further confirming the feasibility of CXL treatment of KC, providing new ideas for improving CXL.
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Affiliation(s)
- Qingyu Yang
- Department of Ophthalmology, 2nd Hospital of Jilin University, Changchun 130041, China.
| | - Shurong Wang
- Department of Ophthalmology, 2nd Hospital of Jilin University, Changchun 130041, China.
| | - Yuxi He
- Department of Ophthalmology, 2nd Hospital of Jilin University, Changchun 130041, China
| | - Yan Zhang
- Department of Ophthalmology, 2nd Hospital of Jilin University, Changchun 130041, China.
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Zhen Z, Wenwen Y, Guanghui H, Chenghua L, Zhimeng L. AjTGFβ alleviates V. splendidus-induced inflammation through SMADs pathway in Apostichopus japonicus. FISH & SHELLFISH IMMUNOLOGY 2023; 134:108593. [PMID: 36746229 DOI: 10.1016/j.fsi.2023.108593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 01/05/2023] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
The inhibition of inflammatory response is an essential process to control the development of inflammation and is an important step to protect the organism from excessive inflammatory damage. As a pleiotropic cytokine, transforming growth factor beta (TGF-β) plays a regulatory role in inhibiting inflammation in vertebrates. To investigate the role of TGF-β in the regulation of inflammation in invertebrates, we cloned and characterized the TGF-β gene from Apostichopus japonicus via rapid amplification of cDNA ends, and the sample was designated as AjTGF-β. For Vibrio splendidus-challenged sea cucumbers, the expression of AjTGF-β mRNAs in coelomocytes decreased at 96 h (0.27-fold), which was contrary to the trend of inflammation. AjTGF-β was expressed in all tissues with the highest expression in the body wall. When AjTGF-β was knocked down by using small interfering RNA (siRNA-KD) to 0.45-fold, AjSMAD 2/3 and AjSMAD6 were downregulated to 0.32- and 0.05-fold compared with the control group, respectively. Furthermore, when the damaged sea cucumber was challenged by V. splendidus co-incubated with rAjTGF-β, the damage area had no extensive inflammation, and damaged repair appeared at 72 h compared with the Vs + BSA group, in which the expression of AjSMAD 2/3 was upregulated by 1.35-fold. Under this condition, AjSMAD 2/3 silencing alleviated rAjTGF-β-induced damage recovery. Moreover, rAjTGF-β slightly induced the collagen I expression from 6.13 ng/mL to 7.84 ng/mL, and collagen III was upregulated from 6.23 ng/mL to 6.89 ng/mL compared with the Vs + BSA group. This finding indicates that AjTGF-β negatively regulated the inflammatory progress and accelerated the repair of damage by AjSMADs to regulate the collagens expression.
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Affiliation(s)
- Zhang Zhen
- State-Province Joint Laboratory of Marine Biotechnology and Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Ye Wenwen
- State-Province Joint Laboratory of Marine Biotechnology and Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Han Guanghui
- State-Province Joint Laboratory of Marine Biotechnology and Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Li Chenghua
- State-Province Joint Laboratory of Marine Biotechnology and Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China.
| | - Lv Zhimeng
- State-Province Joint Laboratory of Marine Biotechnology and Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China.
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DPSC Products Accelerate Wound Healing in Diabetic Mice through Induction of SMAD Molecules. Cells 2022; 11:cells11152409. [PMID: 35954256 PMCID: PMC9368341 DOI: 10.3390/cells11152409] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/28/2022] [Accepted: 07/30/2022] [Indexed: 12/17/2022] Open
Abstract
Despite advances in diabetic wound care, many amputations are still needed each year due to their diabetic wounds, so a more effective therapy is warranted. Herein, we show that the dental pulp-derived stem cell (DPSC) products are effective in wound healing in diabetic NOD/SCID mice. Our results showed that the topical application of DPSC secretory products accelerated wound closure by inducing faster re-epithelialization, angiogenesis, and recellularization. In addition, the number of neutrophils producing myeloperoxidase, which mediates persisting inflammation, was also reduced. NFκB and its downstream effector molecules like IL-6 cause sustained pro-inflammatory activity and were reduced after the application of DPSC products in the experimental wounds. Moreover, the DPSC products also inhibited the activation of NFκB, and its translocation to the nucleus, by which it initiates the inflammation. Furthermore, the levels of TGF-β, and IL-10, potent anti-inflammatory molecules, were also increased after the addition of DPSC products. Mechanistically, we showed that this wound-healing process was mediated by the upregulation and activation of Smad 1 and 2 molecules. In sum, we have defined the cellular and molecular mechanisms by which DPSC products accelerated diabetic wound closure, which can be used to treat diabetic wounds in the near future.
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Zhang L, Liu L, Zhang J, Zhou P. Porcine Fibrin Sealant Promotes Skin Wound Healing in Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2022; 2022:5063625. [PMID: 35783522 PMCID: PMC9246592 DOI: 10.1155/2022/5063625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/30/2022] [Accepted: 06/02/2022] [Indexed: 12/22/2022]
Abstract
Objective Fibrin sealant (FS) is widely used for skin wound healing, but data on porcine FS (PFS), a new type of FS, are limited. This study investigated the effects and potential mechanisms of porcine fibrin sealant (PFS) on skin wound healing in rats. Methods. Traumatic rats were randomly divided into three groups: control, PFS, and medical Vaseline. The wound area and wound index of the rats were measured within 14 days after surgery. Hematoxylin-eosin (H&E) staining and Masson staining were used to observe the pathological images and collagen formation on the wounded skin, respectively. To investigate the healing mechanisms, the enzyme-linked immunosorbent assay (ELISA) was used to detect platelet endothelial cell adhesion molecule-1 (CD31) and cluster of differentiation 34 (CD34) expression in the wounded skin. Additionally, quantitative real-time PCR (qRT-PCR) was used to evaluate the mRNA levels of the vascular endothelial growth factor (VEGF), fibroblast growth factor (FGF), and epidermal growth factor (EGF), and transforming growth factor-β1 (TGF-β1). Meanwhile, TGF-β1 protein expression was assessed by Western blot analysis. Results Compared with the control group, both PFS and medical Vaseline treatment significantly reduced the wounded area and increased the wound closure rate. H&E staining showed that the cells in the PFS group proliferated rapidly, and the epidermis and dermis were thickened to some extent with a clear epidermal cell structure. Moreover, PFS promoted the formation of collagen and significantly increased the levels of CD31 and CD34 and the growth factors in the skin tissues of the traumatic rats. Conclusion PFS effectively promoted skin wound healing, especially in tissue formation, reepithelialization, angiogenesis, and collagen deposition, in traumatic rat models. This study provides a new strategy and scientific foundation for PFS application in skin wound healing.
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Affiliation(s)
- Lihuo Zhang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Lu Liu
- Shanghai Haohai Biotechnology Co.Ltd., Shanghai 201613, China
| | - Jundong Zhang
- Shanghai Haohai Biotechnology Co.Ltd., Shanghai 201613, China
| | - Ping Zhou
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, China
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Atiba A, Abdo W, Ali EK, Abd-Elsalam M, Amer M, Abdel Monsef A, Taha R, Antar S, Mahmoud A. Topical and oral applications of Aloe vera improve healing of deep second-degree burns in rats via modulation of growth factors. Biomarkers 2022; 27:608-617. [PMID: 35734963 DOI: 10.1080/1354750x.2022.2085800] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Introduction: Burn injuries are underappreciated injuries that cause significant morbidity and mortality. Burn injuries, especially severe burns, trigger immunological and inflammatory responses, metabolic abnormalities, and distributive shock, all of which can be extended to multiple organ failures. Aloe vera (A. vera) has been exploited for its medicinal properties for centuries. The goal of the present study is to examine the therapeutic effect of topical and oral administration of A. vera against deep second-degree burn in rats. Materials and methods: skin burn was created on the back of rats, and wound healing was assessed within the three examined groups; control, topical A. vera and oral A. vera throughout 30 days. Wound tissues were examined histologically, immunohistochemically for the expression of transforming growth factor beta-1 (TGF-β1), peroxiredoxin (Prdx6), and mRNA abundance of vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF) was assessed. Results: Our finding showed acceleration of wound contraction with both topical and oral A. vera administration. Maturation of granulation tissues was seen in both A. vera-supplemented groups. The topical application of A. vera revealed marked remodelling of the granulation tissues and higher expression levels of TGF-β1, VEGF, bFGF, and Prdx6 in comparison with control and oral A. vera groups (P < 0.001). Conclusion: Both oral and topical applications of A. vera have beneficial effects in deep second-degree burn wound healing by boosting the growth factors and antioxidant status of skin tissue. The topical treatment was more efficient in accelerating wound healing and hence could be used efficiently to treat second-degree burns.
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Affiliation(s)
- Ayman Atiba
- Department of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh 33516, Egypt; (A.A.)
| | - Walied Abdo
- Department of Pathology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh 33516, Egypt; (W.A.)
| | - Ehab K Ali
- Departments of Anatomy and Embryology, Faculty of Medicine, Al-Azhar University, New Damietta, Egypt; (E.K.A.)
| | - Marwa Abd-Elsalam
- Department of Histology, Faculty of Medicine, Kafrelsheikh University, Kafr Elsheikh 33516, Egypt; (M.M.A.)
| | - Mohamed Amer
- Department of Histology, Faculty of Medicine, Al-Azhar University, New Damietta, Egypt; (M.E.A.)
| | - Ahmed Abdel Monsef
- Department of Physiology, Faculty of Medicine, Al-Azhar University, New Damietta, Egypt; (A.S.A.)
| | - Reda Taha
- Departments of Anatomy and Embryology, Faculty of Medicine, Al-Azhar, University, New Damietta, Egypt; (R.S.T.)
| | - Samar Antar
- Department of Pharmacology and Biochemistry, Faculty of Pharmacy, Horus University, New Damietta, 34518, Egypt; (S.A.A.)
| | - Ayman Mahmoud
- Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Egypt; (A.M.M.).,Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester M1 5GD, UK; (A.M.M.)
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Ahmadian Z, Gheybi H, Adeli M. Efficient wound healing by antibacterial property: Advances and trends of hydrogels, hydrogel-metal NP composites and photothermal therapy platforms. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103458] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Abstract
INTRODUCTION The aim of this article was to comprehensively review the relationship between light exposure and myopia with a focus on the effects of the light wavelength, illuminance, and contrast on the occurrence and progression of myopia. METHODS This review was performed by searching PubMed data sets including research articles and reviews utilizing the terms "light", "myopia", "refractive error", and "illuminance", and the review was concluded in November 2021. Myopia onset and progression were closely linked with emmetropization and hyperopia. To better elucidate the mechanism of myopia, some of the articles that focused on this topic were included. This article is based on previously conducted studies and does not contain any new studies with human participants or animals performed by any of the authors. RESULTS The pathogenesis and prevention of myopia are not completely clear. Studies have provided evidence supporting the idea that light could affect eye growth in three ways. Changing the corresponding conditions will cause changes in the growth rate and mode of the eyes, and preliminary results have shown that FR/NIR (far red/near-infrared) light is effective for myopia in juveniles. CONCLUSION This review discusses the results of studies on the effects of light exposure on myopia with the aims of providing clues and a theoretical basis for the use of light to control the development of myopia and offering new ideas for subsequent studies.
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Zhu X, Kazemi A, Dong Y, Pan Q, Jin P, Cheng B, Yang Y. Effectiveness of Nano Bioactive Glass Fiber Loaded with Platelet-Rich Plasma on Thermal Wound Healing Process in Rats. J Biomed Nanotechnol 2022; 18:535-545. [PMID: 35484761 DOI: 10.1166/jbn.2022.3249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In this study we evaluated the impact of topical application of bioactive glass fibers loaded PRP on a deep seconddegree thermal wound and its healing process sub-streaming molecular pathway of re-epithelialization. Wistar rats were randomly divided into four groups: normal control group, model group (deep second-degree thermal wound), PRP group, and PRP+nanobioactive glass fiber group. After treatment, the changes of wounds were observed daily. H&E staining was used to evaluate the pathological changes and also, qRT-PCR was used to detect the mRNA expression of KGF, IL-1, IL-6, IL-10, TGF-β, EGF, VEGF, HIF-1α, integrin α3 and integrin β1 in wound tissues. In the current study, we observed that PRP group and the PRP group basically re-epithelized on the 21st day. The wound healing rates of the PRP+nanobioactive glass fiber group and PRP group at each time point were higher than those in the model group, while there was no significant difference in wound healing rate between the PRP+nanobioactive glass fiber group and PRP group at each time point. H&E staining showed that the pathological scores of skin wound repairing in the PRP+nanobioactive glass fiber group on the 7th, 14th and 21st day were higher than that of in the model group. The qPCR results suggested the mRNA expression of IL-1, IL-6 and IL-10 in the PRP+nanobioactive glass fiber group and the PRP group were lower than those in the untreated group on the 14th day; the expression of VEGF and EGF mRNA were higher on the 3rd day; the mRNA expression of TGF-β, HIF-1α showed a tendency of increasing first and decreasing then; integrin β1 mRNA expression increased significantly, which was highest; integrin α3 mRNA expression was higher on day 3rd and 21th, respectively. The PRP+nanobioactive glass fibers and PRP can shorten the wound healing time and improve the healing quality mainly by promoting the wound epithelization through increasing the expression of EGF, VEGF, TGF-β, HIF-1α, Integrin α3, and meanwhile increasing the release of Integrin β1 and other mechanisms.
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Affiliation(s)
- Xuanru Zhu
- Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command of PLA, Guangzhou, 510000, China
| | - Aida Kazemi
- Clinical Research Development Unit, Shafa Hospital, Kerman University of Medical Sciences, Kerman, Iran
| | - Yunqing Dong
- Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command of PLA, Guangzhou, 510000, China
| | - Qiao Pan
- Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command of PLA, Guangzhou, 510000, China
| | - Panshi Jin
- Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command of PLA, Guangzhou, 510000, China
| | - Biao Cheng
- Department of Burn and Plastic Surgery, General Hospital of Southern Theater Command of PLA, Guangzhou, 510000, China
| | - Yangog Yang
- Rehabilation Unit, CHU Gabriel Touré, Bamako, 267, Mali
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22
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Liebert A, Pang V, Bicknell B, McLachlan C, Mitrofanis J, Kiat H. A Perspective on the Potential of Opsins as an Integral Mechanism of Photobiomodulation: It's Not Just the Eyes. Photobiomodul Photomed Laser Surg 2022; 40:123-135. [PMID: 34935507 DOI: 10.1089/photob.2021.0106] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Objective: To investigate the potential relationship between opsins and photobiomodulation. Background: Opsins and other photoreceptors occur in all phyla and are important in light-activated signaling and organism homeostasis. In addition to the visual opsin systems of the retina (OPN1 and OPN2), there are several non-visual opsins found throughout the body tissues, including encephalopsin/panopsin (OPN3), melanopsin (OPN4), and neuropsin (OPN5), as well as other structures that have light-sensitive properties, such as enzymes, ion channels, particularly those located in cell membranes, lysosomes, and neuronal structures such as the nodes of Ranvier. The influence of these structures on exposure to light, including self-generated light within the body (autofluorescence), on circadian oscillators, and circadian and ultradian rhythms have become increasingly reported. The visual and non-visual phototransduction cascade originating from opsins and other structures has potential significant mechanistic effects on tissues and health. Methods: A PubMed and Google Scholar search was made using the search terms "photobiomodulation", "light", "neuron", "opsins", "neuropsin", "melanopsin", "encephalopsin", "rhodopsin", and "chromophore". Results: This review was examined the influence of neuropsin (also known as kallikrein 8), encephalopsin, and melanopsin specifically on ion channel function, and more broadly on the central and peripheral nervous systems. The relationship between opsins 3, 4, and 5 and photobiomodulation mechanisms was evaluated, along with a proposed role of photobiomodulation through opsins and light-sensitive organelles as potential alleviators of symptoms and accelerators of beneficial regenerative processes. The potential clinical implications of this in musculoskeletal conditions, wounds, and in the symptomatic management of neurodegenerative disease was also examined. Conclusions: Systematic research into the pleotropic therapeutic role of photobiomodulation, mediated through its action on opsins and other light-sensitive organelles may assist in the future execution of safe, low-risk precision medicine for a variety of chronic and complex disease conditions, and for health maintenance in aging.
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Affiliation(s)
- Ann Liebert
- Faculty of Medicine and Health Sciences, University of Sydney, Sydney, Australia.,Office of Governance and Research, San Hospital, Sydney, Australia
| | | | - Brian Bicknell
- Faculty of Health Science, Australian Catholic University, North Sydney, Australia
| | | | - John Mitrofanis
- Clinatec, Fonds de Dotation-CEA, Universitè Grenoble Alpes, Grenoble, France
| | - Hosen Kiat
- Department of Clinical Medicine, Macquarie University, Sydney, Australia.,Cardiac Health Institute, Sydney, Australia
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23
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Kazemikhoo N, Ghadimi T, Vaghardoost R, Momeni M, Nilforoushzadeh MA, Ansari F, Dahmardehei M. Effects of Photobiomodulation and Split-Thickness Skin Grafting in the Prognosis of Wound Healing in Children with Deep Burn Ulcers. Photobiomodul Photomed Laser Surg 2022; 40:148-154. [DOI: 10.1089/photob.2021.0107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Affiliation(s)
- Nooshafarin Kazemikhoo
- St George and Sutherland Clinical School, UNSW, Sydney, Australia
- Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Tayyeb Ghadimi
- Department of Plastic and Reconstructive Surgery, Burn Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Reza Vaghardoost
- Department of Plastic and Reconstructive Surgery, Burn Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Mahnoush Momeni
- Department of Plastic and Reconstructive Surgery, Burn Research Center, Iran University of Medical Sciences, Tehran, Iran
| | | | - Fereshteh Ansari
- Research Center for Evidence-Based Medicine, Health Management and Safety Promotion Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
- Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
| | - Mostafa Dahmardehei
- Department of Plastic and Reconstructive Surgery, Burn Research Center, Iran University of Medical Sciences, Tehran, Iran
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24
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Hao R, Cui Z, Zhang X, Tian M, Zhang L, Rao F, Xue J. Rational Design and Preparation of Functional Hydrogels for Skin Wound Healing. Front Chem 2022; 9:839055. [PMID: 35141209 PMCID: PMC8818740 DOI: 10.3389/fchem.2021.839055] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Accepted: 12/30/2021] [Indexed: 01/05/2023] Open
Abstract
Skin wound healing often contains a series of dynamic and complex physiological healing processes. It is a great clinical challenge to effectively treat the cutaneous wound and regenerate the damaged skin. Hydrogels have shown great promise for skin wound healing through the rational design and preparation to endow with specific functionalities. In the mini review, we firstly introduce the design and construction of various types of hydrogels based on their bonding chemistry during cross-linking. Then, we summarize the recent research progress on the functionalization of bioactive hydrogel dressings for skin wound healing, including anti-bacteria, anti-inflammatory, tissue proliferation and remodeling. In addition, we highlight the design strategies of responsive hydrogels to external physical stimuli. Ultimately, we provide perspectives on future directions and challenges of functional hydrogels for skin wound healing.
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Affiliation(s)
- Ruinan Hao
- Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, China
| | - Zhuoyi Cui
- Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, China
| | - Xindan Zhang
- Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, China
| | - Ming Tian
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, China
| | - Liqun Zhang
- Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, China
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, China
| | - Feng Rao
- Trauma Center, Peking University People’s Hospital, Beijing, China
- Key Laboratory of Trauma and Neural Regeneration, Ministry of Education, National Trauma Medical Center, Peking University, Beijing, China
| | - Jiajia Xue
- Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing, China
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, China
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25
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Superpulsed 904 nm laser photobiomodulation combined with coenzyme Q10 synergistically augment burn wound healing. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY 2021. [DOI: 10.1016/j.jpap.2021.100053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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26
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Zeng QL, Liu DW. Mesenchymal stem cell-derived exosomes: An emerging therapeutic strategy for normal and chronic wound healing. World J Clin Cases 2021; 9:6218-6233. [PMID: 34434989 PMCID: PMC8362559 DOI: 10.12998/wjcc.v9.i22.6218] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 04/08/2021] [Accepted: 06/22/2021] [Indexed: 02/06/2023] Open
Abstract
Skin wound healing is a complex biological process. Mesenchymal stem cells (MSCs) play an important role in skin wound repair due to their multidirectional differentiation potential, hematopoietic support, promotion of stem cell implantation, self-replication, and immune regulation. Exosomes are vesicles with diameters of 40-100 nm that contain nucleic acids, proteins, and lipids and often act as mediators of cell-to-cell communication. Currently, many clinical scientists have carried out cell-free therapy for skin wounds, especially chronic wounds, using exosomes derived from MSCs. This review focuses on the latest research progress on the mechanisms of action associated with the treatment of wound healing with exosomes derived from different MSCs, the latest research progress on the combination of exosomes and other biological or nonbiological factors for the treatment of chronic skin wounds, and the new prospects and development goals of cell-free therapy.
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Affiliation(s)
- Qin-Lu Zeng
- Burns Institute, The First Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China
- First Clinical Medical College, Nanchang University, Nanchang 330006, Jiangxi Province, China
| | - De-Wu Liu
- Burns Institute, The First Affiliated Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China
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27
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Shi Y, Pan X, Xu M, Liu H, Xu H, He M. The role of Smad1/5 in mantle immunity of the pearl oyster Pinctada fucata martensii. FISH & SHELLFISH IMMUNOLOGY 2021; 113:208-215. [PMID: 33864946 DOI: 10.1016/j.fsi.2021.04.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 03/15/2021] [Accepted: 04/01/2021] [Indexed: 06/12/2023]
Abstract
The Smad protein family is an important medium for transducing BMP-Smads signals, and which have been proved that their important role in regulating shell biomineralization in Pinctada fucata martensii in our previous study. The members of TGF-β superfamily were involved in innate immunity in vertebrates and invertebrates, and Smad regulatory networks construct a balanced immune system. However, little is known about the role of Smad1/5 in immunity in P. f. martensii. The present study shows that the tissue distribution and the expression profiles of Smad1/5 at developmental stages suggested its wide distribution and crucial role in development at embryonic stages other than larval stage; the increased expression of bone morphogenetic proteins 2 (BMP2), Smad4, Smad1/5 and MSX mRNAs at mantle tissue after LPS and Poly (I:C) challenged implied the potential immune role of Smad1/5 and BMP2-Smad signals to defense against bacterial and virus infections; the reduced expression of immune gene nuclear factor kappa-B (NF-κB), matrix metalloproteinase (MMP), interleukin 17 (IL-17), CuZn-superoxide dismutase (CuZn-SOD), tissue inhibitors of metalloproteinase (TIMP) and lipopolysaccharide-induced TNF-α factor (LITAF) mRNA following knockdown of Smad1/5 indicated that Smad1/5 can regulate their expression via BMP2-Smads pathway in the immunity process; the up-regulated expression of Smad1/5 and BMP2-Smad signals genes, and immune genes during wound healing indicated that Smad1/5 and BMP2-Smad signals genes may be involved in wound healing collaborated with immune genes via a different and complex Smads signaling pathway. These results indicated Smad1/5 could regulate innate immunity via BMP2-Smads signal pathway, and which provided new insights into the relationship between BMP2-Smads signal pathway and mantle immunity.
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Affiliation(s)
- Yu Shi
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou, 511458, China
| | - Xiaolan Pan
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, China
| | - Meng Xu
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, China
| | - Huiru Liu
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, China
| | - Hanzhi Xu
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, China
| | - Maoxian He
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou, 510301, China; Southern Marine Science and Engineering Guangdong Laboratory, Guangzhou, 511458, China.
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28
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Serrage HJ, Cooper PR, Palin WM, Horstman P, Hadis M, Milward MR. Photobiomodulation of oral fibroblasts stimulated with periodontal pathogens. Lasers Med Sci 2021; 36:1957-1969. [PMID: 33991267 PMCID: PMC8593050 DOI: 10.1007/s10103-021-03331-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 05/03/2021] [Indexed: 01/03/2023]
Abstract
Photobiomodulation (PBM) utilises light energy to treat oral disease, periodontitis. However, there remains inconsistency in the reporting of treatment parameters and a lack of knowledge as to how PBM elicits its molecular effects in vitro. Therefore, this study aimed to establish the potential immunomodulatory effects of blue and near infra-red light irradiation on gingival fibroblasts (GFs), a key cell involved in the pathogenesis of periodontitis. GFs were seeded in 96-well plates in media + / - Escherichia coli lipopolysaccharide (LPS 1 μg/ml), or heat-killed Fusobacterium nucleatum (F. nucleatum, 100:1MOI) or Porphyromonas gingivalis (P. gingivalis, 500:1MOI). Cultures were incubated overnight and subsequently irradiated using a bespoke radiometrically calibrated LED array (400-830 nm, irradiance: 24 mW/cm2 dose: 5.76 J/cm2). Effects of PBM on mitochondrial activity (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and adenosine triphosphate (ATP) assays, total reactive oxygen species production (ROS assay) and pro-inflammatory/cytokine response (interleukin-8 (IL-8) and tumour growth factor-β1 (TGFβ1)) were assessed 24 h post-irradiation. Data were analysed using one-way ANOVA followed by the Tukey test. Irradiation of untreated (no inflammatory stimulus) cultures at 400 nm induced 15%, 27% and 13% increases in MTT, ROS and IL-8 levels, respectively (p < 0.05). Exposure with 450 nm light following application of P. gingivalis, F. nucleatum or LPS induced significant decreases in TGFβ1 secretion relative to their bacterially stimulated controls (p < 0.001). Following stimulation with P. gingivalis, 400 nm irradiation induced 14% increases in MTT, respectively, relative to bacteria-stimulated controls (p < 0.05). These findings could identify important irradiation parameters to enable management of the hyper-inflammatory response characteristic of periodontitis.
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Affiliation(s)
- H J Serrage
- Oral Microbiology Unit, Department of Oral and Dental Science, University of Bristol, Bristol BS1 2LY, UK.
| | - P R Cooper
- School of Dentistry, University of Birmingham, Birmingham, UK
- Faculty of Dentistry, Department of Oral Biology, Sir John Walsh Research Institute University of Otago, Dunedin, New Zealand
| | - W M Palin
- School of Dentistry, University of Birmingham, Birmingham, UK
| | - P Horstman
- Philips Research, Eindhoven, Netherlands
| | - M Hadis
- School of Dentistry, University of Birmingham, Birmingham, UK
| | - M R Milward
- School of Dentistry, University of Birmingham, Birmingham, UK
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29
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Oyebode O, Houreld NN, Abrahamse H. Photobiomodulation in diabetic wound healing: A review of red and near-infrared wavelength applications. Cell Biochem Funct 2021; 39:596-612. [PMID: 33870502 DOI: 10.1002/cbf.3629] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 02/13/2021] [Accepted: 02/16/2021] [Indexed: 12/22/2022]
Abstract
The development of a painless, non-invasive, and faster way to diabetic wound healing is at the forefront of research. The complexity associated with diabetic wounds makes it a cause for concern amongst diabetic patients and the world at large. Irradiation of cells generates a photobiomodulatory response on cells and tissues, directly causing alteration of cellular processes and inducing diabetic wound repair. Photobiomodulation therapy (PBMT) using red and near-infrared (NIR) wavelengths is being considered as a promising technique for speeding up the rate of diabetic wound healing, eradication of pain and reduction of inflammation through the alteration of diverse cellular and molecular processes. This review presents the extent to which the potential of red and NIR wavelengths have been harnessed in PBMT for diabetic wound healing. Important research challenges and gaps are identified and discussed, and future directions mapped out. This review thus provides useful insights and strategies into improvement of PBMT, including its acceptance within the global medical research community.
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Affiliation(s)
- Olajumoke Oyebode
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
| | - Nicolette Nadene Houreld
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
| | - Heidi Abrahamse
- Laser Research Centre, Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
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30
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Hosseinpour S, Xu C, Walsh LJ. Impact of photobiomodulation using four diode laser wavelengths of on cationic liposome gene transfection into pre-osteoblast cells. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2021; 215:112108. [PMID: 33418241 DOI: 10.1016/j.jphotobiol.2020.112108] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 11/21/2020] [Accepted: 12/18/2020] [Indexed: 11/16/2022]
Abstract
Gene therapy can be an effective treatment modality for some severe genetic diseases. Despite efforts to improve their performance, non-viral gene delivery methods remain inefficient and costly. As an alternative to viral vectors, cationic liposomes have a good safety profile and low immunogenicity, but relatively low transfection efficiency. They may also be toxic to cells at high concentrations. Given these challenges, the present study explored the impact of photobiomodulation (PBM) on cationic liposome plasmid DNA transfection in terms of its efficiency and toxicity, using Lipofectamine 2000 to carry green fluorescent protein (GFP) encoding plasmid DNA, with the pre-osteoblast MC3T3-E1 cell line as the target. Cultures were irradiated using diode lasers (445, 685, 810, or 970 nm) at 200 mW using pulsed mode (50 Hz), with a power density of 104.64 mW/cm2, and irradiance from 6 to 18 joules. To determine transfection efficiency, expression of GFP was assessed using confocal laser scanning microscopy and flow cytometry. Cell viability was evaluated using the MTT assay. PBM using 810 nm and 970 nm lasers significantly enhanced transfection efficiency for GFP, indicating more efficient uptake of plasmid DNA. Conversely, laser irradiation at 445 nm and 685 nm wavelengths reduced the GFP transfection efficiency. Treatment using 685, 810, and 970 nm lasers at 12 J maintained cell viability and prevented toxicity of cationic liposomes. Overall, these findings support the concept that PBM using near infrared laser wavelengths can enhance transfection efficiency and support cell viability when cationic liposomes are used as the vector in gene therapy.
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Affiliation(s)
- Sepanta Hosseinpour
- School of Dentistry, The University of Queensland, Herston, QLD, 4006, Australia.
| | - Chun Xu
- School of Dentistry, The University of Queensland, Herston, QLD, 4006, Australia.
| | - Laurence J Walsh
- School of Dentistry, The University of Queensland, Herston, QLD, 4006, Australia.
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31
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Prabhu V, Rao BSS, Rao ACK, Prasad K, Mahato KK. Photobiomodulation invigorating collagen deposition, proliferating cell nuclear antigen and Ki67 expression during dermal wound repair in mice. Lasers Med Sci 2020; 37:171-180. [PMID: 33247410 PMCID: PMC8803692 DOI: 10.1007/s10103-020-03202-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 11/17/2020] [Indexed: 11/29/2022]
Abstract
The present investigation focuses on understanding the role of photobiomodulation in enhancing tissue proliferation. Circular excision wounds of diameter 1.5 cm were created on Swiss albino mice and treated immediately with 2 J/cm2 and 10 J/cm2 single exposures of the Helium-Neon laser along with sham-irradiated controls. During different days of healing progression (day 5, day 10, and day 15), the tissue samples upon euthanization of the animals were taken for assessing collagen deposition by Picrosirius red staining and cell proliferation (day 10) by proliferating cell nuclear antigen (PCNA) and Ki67. The positive influence of red light on collagen synthesis was found to be statistically significant on day 10 (P < 0.01) and day 15 (P < 0.05) post-wounding when compared to sham irradiation, as evident from the image analysis of collagen birefringence. Furthermore, a significant rise in PCNA (P < 0.01) and Ki67 (P < 0.05) expression was also recorded in animals exposed to 2 J/cm2 when compared to sham irradiation and (P < 0.01) compared to the 10 J/cm2 treated group as evidenced by the microscopy study. The findings of the current investigation have distinctly exhibited the assenting influence of red laser light on excisional wound healing in Swiss albino mice by augmenting cell proliferation and collagen deposition.
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Affiliation(s)
- Vijendra Prabhu
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.,Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Bola Sadashiva Satish Rao
- Department of Radiation Biology and Toxicology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.,Directorate of Research, Manipal Academy of Higher Education, Karnataka, 576104, Manipal, India
| | - Anuradha Calicut Kini Rao
- Department of Pathology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.,Department of Pathology, Yenepoya Medical College, Yenepoya (a Deemed to be University), Mangalore, Karnataka, 575018, India
| | - Keerthana Prasad
- Manipal School of Information Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Krishna Kishore Mahato
- Department of Biophysics, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
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Barolet AC, Litvinov IV, Barolet D. Beneficial Effects of Near-Infrared Light Photobiomodulation in Linear Morphea: A Case Report. PHOTOBIOMODULATION PHOTOMEDICINE AND LASER SURGERY 2020; 38:679-682. [PMID: 33103949 DOI: 10.1089/photob.2020.4840] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Background: Linear morphea is a variant of scleroderma limited to the skin and underlying tissues secondary to an autoimmune inflammation leading to excess collagen deposition and fibrosis. Apart from topical or oral medications, successful light-based treatments have been reported using phototherapy including Psoralen plus ultraviolet A, photodynamic therapy, carbon dioxide laser, pulsed dye laser, and visible/infrared light. Methods: We report a patient with biopsy-proven infraorbital linear morphea responding to 940 nm near-infrared light photobiomodulation treatments. Results: The patient had excellent cosmesis without textural changes or hypopigmentation despite her darker skin complexion (Fitzpatrick phototype III) after tri-weekly treatments for 8 months. Conclusions: Linear morphea, therefore, may be potentially amenable to home use light-based therapy by using nonthermal nonablative 940 nm photons. To our knowledge, this home-based treatment approach has not been previously reported.
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Affiliation(s)
- Augustin C Barolet
- Department of Surgery, Experimental Surgery Graduate Training Program, McGill University Health Centre, Montreal, Canada.,Division of Dermatology, McGill University Health Centre, Montreal, Canada
| | - Ivan V Litvinov
- Department of Surgery, Experimental Surgery Graduate Training Program, McGill University Health Centre, Montreal, Canada.,Division of Dermatology, McGill University Health Centre, Montreal, Canada
| | - Daniel Barolet
- Division of Dermatology, McGill University Health Centre, Montreal, Canada.,RoseLab Skin Optics Research Laboratory, Laval, Canada
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33
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Sharma A, Puri V, Kumar P, Singh I. Biopolymeric, Nanopatterned, Fibrous Carriers for Wound Healing Applications. Curr Pharm Des 2020; 26:4894-4908. [DOI: 10.2174/1381612826666200701152217] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 04/11/2020] [Indexed: 12/15/2022]
Abstract
Background:
Any sort of wound injury leads to skin integrity and further leads to wound formation.
Millions of deaths are reported every year, which contributes to an economical hamper world widely, this accounts
for 10% of death rate that insight into various diseases.
Current Methodology:
Rapid wound healing plays an important role in effective health care. Wound healing is a
multi-factorial physiological process, which helps in the growth of new tissue to render the body with the imperative
barrier from the external environment. The complexity of this phenomenon makes it prone to several abnormalities.
Wound healing, as a normal biological inherent process occurs in the body, which is reaped through four
highly defined programmed phases, such as hemostasis, inflammation, proliferation, and remodeling and these
phases occur in the proper progression. An overview, types, and classification of wounds along with the stages of
wound healing and various factors affecting wound healing have been discussed systematically. Various biopolymers
are reported for developing nanofibers and microfibers in wound healing, which can be used as a therapeutic
drug delivery for wound healing applications. Biopolymers are relevant for biomedical purposes owing to
biodegradability, biocompatibility, and non- toxicity. Biopolymers such as polysaccharides, proteins and various
gums are used for wound healing applications. Patents and future perspectives have been given in the concluding
part of the manuscript. Overall, applications of biopolymers in the development of fibers and their applications in
wound healing are gaining interest in researchers to develop modified biopolymers and tunable delivery systems
for effective management and care of different types of wounds.
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Affiliation(s)
- Ameya Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Vivek Puri
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Pradeep Kumar
- Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, 7 York Road, Parktown 2193, South Africa
| | - Inderbir Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
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Abstract
Chronic refractory wounds are generally caused by local tissue defects and necrosis, and they are characterized by delayed wound healing as well as high recurrence, which seriously affects life quality. However, effective therapeutics to treat wounds are currently unavailable. Therapy primarily aims to accelerate generation of granulation tissue and decrease recurrence. The pathogenesis of chronic refractory wounds is closely related to multiple complex signaling pathways and a series of cytokines. Among these signaling pathways, TGF-β/Smad7 axis plays a critical role. Specifically, Smad7 is an antagonist of TGF-β that inhibits activation of TGF-β. Moreover, Smad7 promotes wound healing by regulating cytokines and controlling growth, differentiation and apoptosis of cells, which may be exploited to cure the disease. This review aims to reveal the exact functions and mechanisms of Smad7 in regulation of wound healing.
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Affiliation(s)
- Min-Feng Wu
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai, China
| | - Qing-Yu Zeng
- Shanghai Skin Disease Hospital, Institute of Photomedicine, Tongji University School of Medicine, Shanghai, China
| | - Jian-Hua Huang
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai, China
| | - Hong-Wei Wang
- Department of Dermatology, Huadong Hospital, Fudan University, Shanghai, China -
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35
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Yao X, Wang J, Zhu J, Rong X. The anti-fibrotic effect of human fetal skin-derived stem cell secretome on the liver fibrosis. Stem Cell Res Ther 2020; 11:379. [PMID: 32883340 PMCID: PMC7650526 DOI: 10.1186/s13287-020-01891-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/05/2020] [Accepted: 08/18/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Liver fibrosis resulting from chronic liver injury is one of the major causes of mortality worldwide. Stem cell-secreted secretome has been evaluated for overcoming the limitations of cell-based therapy in hepatic disease, while maintaining its advantages. METHODS In this study, we investigated the effect of human fetal skin-derived stem cell (hFSSC) secretome in the treatment of liver fibrosis. To determine the therapeutic potential of the hFSSC secretome in liver fibrosis, we established the CCl4-induced rat liver fibrosis model and administered hFSSC secretome in vivo. Moreover, we investigated the anti-fibrotic mechanism of hFSSC secretome in hepatic stellate cells (HSCs). RESULTS Our results showed that hFSSC secretome effectively reduced collagen content in liver, improved the liver function and promoted liver regeneration. Interestingly, we also found that hFSSC secretome reduced liver fibrosis through suppressing the epithelial-mesenchymal transition (EMT) process. In addition, we found that hFSSC secretome inhibited the TGF-β1, Smad2, Smad3, and Collagen I expression, however, increased the Smad7 expression. CONCLUSIONS In conclusions, our results suggest that hFSSC secretome treatment could reduce CCl4-induced liver fibrosis via regulating the TGF-β/Smad signal pathway.
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Affiliation(s)
- Xia Yao
- Department of Anesthesiology, The Affiliated Hospital of Changchun University of Chinese Medicine, 1478 Gongnong Road, Changchun, 130021, Jilin, China
| | - Jing Wang
- Department of Gynecology, The Affiliated Hospital of Changchun University of Chinese Medicine, 1478 Gongnong Road, Changchun, 130021, Jilin, China
| | - Jiajing Zhu
- Department of Radiology, The Third Hospital of Jilin University, 126 Xiantai St., Changchun, 130033, Jilin, China
| | - Xiaoli Rong
- Department of Clinical Laboratory, The Affiliated Hospital of Changchun University of Chinese Medicine, 1478 Gongnong Road, Changchun, 130021, Jilin, China. .,Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, The Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA.
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Shin DW. Various biological effects of solar radiation on skin and their mechanisms: implications for phototherapy. Anim Cells Syst (Seoul) 2020; 24:181-188. [PMID: 33029294 PMCID: PMC7473273 DOI: 10.1080/19768354.2020.1808528] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
The skin protects our body from various external factors, such as chemical and physical stimuli, microorganisms, and sunlight. Sunlight is a representative environmental factor that considerably influences the physiological activity of our bodies. The molecular mechanisms and detrimental effects of ultraviolet rays (UVR) on skin have been thoroughly investigated. Chronic exposure to UVR generally causes skin damage and eventually induces wrinkle formation and reduced elasticity of the skin. Several studies have shown that infrared rays (IR) also lead to the breakdown of collagen fibers in the skin. However, several reports have demonstrated that the appropriate use of UVR or IR can have beneficial effects on skin-related diseases. Additionally, it has been revealed that visible light of different wavelengths has various biological effects on the skin. Interestingly, several recent studies have reported that photoreceptors are also expressed in the skin, similar to those in the eyes. Based on these data, I discuss the various physiological effects of sunlight on the skin and provide insights on the use of phototherapy, which uses a specific wavelength of sunlight as a non-invasive method, to improve skin-related disorders.
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Affiliation(s)
- Dong Wook Shin
- College of Biomedical and Health Science, Konkuk University, Chungju, Republic of Korea
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Zhang F, Qiao S, Li C, Wu B, Reischl S, Neumann PA. The immunologic changes during different phases of intestinal anastomotic healing. J Clin Lab Anal 2020; 34:e23493. [PMID: 32692419 PMCID: PMC7676198 DOI: 10.1002/jcla.23493] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 06/29/2020] [Accepted: 07/01/2020] [Indexed: 01/06/2023] Open
Abstract
Intestinal anatomosis is a complex and multicellular process that involving three overlapped phases: exudative phase, proliferative phase, and reparative phase. Undisturbed anastomotic healings are crucial for the recovery of patients after operations but unsuccessful healings are linked with a considerable mortality. This time, we concentrate on the immunologic changes during different phases of intestinal anastomotic healing and select several major immune cells and cytokines of each phase to get a better understanding of these immunologic changes in different phases, which will be significant for more precise therapy strategies in anastomoses.
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Affiliation(s)
- Feng Zhang
- Department of General Surgery, Tongren Municipal People's Hospital of Guizhou Medical University(GMU), Guizhou, 554300, China.,Department of Surgery, Klinikum rechts der Isar, School of Medicine, Technical University of Munich(TUM), Munich, 81675, Germany
| | - Song Qiao
- Department of General Surgery, Tongren Municipal People's Hospital of Guizhou Medical University(GMU), Guizhou, 554300, China
| | - Chunqiao Li
- Department of Surgery, Klinikum rechts der Isar, School of Medicine, Technical University of Munich(TUM), Munich, 81675, Germany
| | - Bo Wu
- Department of General Surgery, Tongren Municipal People's Hospital of Guizhou Medical University(GMU), Guizhou, 554300, China
| | - Stefan Reischl
- Department of Surgery, Klinikum rechts der Isar, School of Medicine, Technical University of Munich(TUM), Munich, 81675, Germany
| | - Philipp-Alexander Neumann
- Department of Surgery, Klinikum rechts der Isar, School of Medicine, Technical University of Munich(TUM), Munich, 81675, Germany
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Jiang T, Wang Z, Sun J. Human bone marrow mesenchymal stem cell-derived exosomes stimulate cutaneous wound healing mediates through TGF-β/Smad signaling pathway. Stem Cell Res Ther 2020; 11:198. [PMID: 32448395 PMCID: PMC7245763 DOI: 10.1186/s13287-020-01723-6] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 05/06/2020] [Accepted: 05/11/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Cutaneous wound healing represents a morphogenetic response to injury and is designed to restore anatomic and physiological function. Human bone marrow mesenchymal stem cell-derived exosomes (hBM-MSC-Ex) are a promising source for cell-free therapy and skin regeneration. METHODS In this study, we investigated the cell regeneration effects and its underlying mechanism of hBM-MSC-Ex on cutaneous wound healing in rats. In vitro studies, we evaluated the role of hBM-MSC-Ex in the two types of skin cells: human keratinocytes (HaCaT) and human dermal fibroblasts (HDFs) for the proliferation. For in vivo studies, we used a full-thickness skin wound model to evaluate the effects of hBM-MSC-Ex on cutaneous wound healing in vivo. RESULTS The results demonstrated that hBM-MSC-Ex promote both two types of skin cells' growth effectively and accelerate the cutaneous wound healing. Interestingly, we found that hBM-MSC-Ex significantly downregulated TGF-β1, Smad2, Smad3, and Smad4 expression, while upregulated TGF-β3 and Smad7 expression in the TGF-β/Smad signaling pathway. CONCLUSIONS Our findings indicated that hBM-MSC-Ex effectively promote the cutaneous wound healing through inhibiting the TGF-β/Smad signal pathway. The current results provided a new sight for the therapeutic strategy for the treatment of cutaneous wounds.
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Affiliation(s)
- Tiechao Jiang
- Department of Cardiology, The Third Hospital of Jilin University, 126 Xiantai St., Changchun, 130033, Jilin, China. .,Jilin Provincial Cardiovascular Research Institute, 126 Xiantai St., Changchun, 130033, Jilin, China.
| | - Zhongyu Wang
- Jilin Provincial Cardiovascular Research Institute, 126 Xiantai St., Changchun, 130033, Jilin, China
| | - Ji Sun
- Department of Pediatric Neurology, The First Hospital of Jilin University, 71 Xinmin St., Changchun, 130021, Jilin, China
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Wang L, Guo D, Wang Z, Yin X, Wei H, Hu W, Chen R, Chen C. Zinc oxide nanoparticles induce human tenon fibroblast apoptosis through reactive oxygen species and caspase signaling pathway. Arch Biochem Biophys 2020; 683:108324. [PMID: 32112740 DOI: 10.1016/j.abb.2020.108324] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 01/23/2020] [Accepted: 02/25/2020] [Indexed: 12/27/2022]
Abstract
Glaucoma is the leading cause of irreversible blindness in the world and trabeculectomy remains still the most commonly performed filtration surgery. Failure of trabeculectomy is due to the formation of scarring, which is associated with the increased fibroblast proliferation, activation, and collagen deposition at the site of the drainage channel with subconjunctival fibrosis. Our previous study has revealed that zinc oxide (ZnO) nanoparticles could efficiently decrease the expressions of TGF-β1 and inhibit fibroblast-mediated collagen lattice contraction. However, the mechanism underlying ZnO nanoparticle-induced fibroblast apoptosis is still unclear. In the present study, we investigated the effect of ZnO nanoparticles on the reactive oxygen species (ROS) and mitochondrial membrane potential (Δψm) in human Tenon fibroblasts (HTFs). Moreover, we also explored the influence of ZnO nanoparticles on the expression of Caspase-3, Caspase-9, apoptotic protease-activating factor-1 (Apaf-1), fibroblast-specific protein-1 (FSP-1), collagen III, and E-cadherin. The results indicated that ZnO nanoparticles markedly inhibit HTFs viability and decrease the Δψm in a concentration-dependent pattern. Exposure of HTFs to ZnO nanoparticles could also induce the elevated Caspase-3, Caspase-9, and Apaf-1 expression, decrease the levels of FSP-1, collagen III, and E-cadherin expression, leading to HTFs apoptosis. Our results suggested that elevated ROS and activated Caspase signaling play a fundamental role in ZnO nanoparticle-induced HTFs apoptosis.
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Affiliation(s)
- Ling Wang
- Jining Medical University, Jining, 272000, Shandong Province, China
| | - Dadong Guo
- Shandong Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Therapy of Ocular Diseases, Eye Institute of Shandong University of Traditional Chinese Medicine, Jinan, 250002, Shandong Province, China
| | - Zhe Wang
- Department of Ophthalmology, Zaozhuang Hospital of Traditional Chinese Medicine, Zaozhuang, 277000, China
| | - Xuewei Yin
- The Second Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Huixia Wei
- The Second Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Wanli Hu
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, No. 4655#, Daxue Road, Jinan, 250355, China
| | - Ruihong Chen
- Jining Medical University, Jining, 272000, Shandong Province, China
| | - Chao Chen
- Department of Ophthalmology, the First People's Hospital of Jining, Jining, 272002, Shandong Province, China.
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Kong X, Fu J, Shao K, Wang L, Lan X, Shi J. Biomimetic hydrogel for rapid and scar-free healing of skin wounds inspired by the healing process of oral mucosa. Acta Biomater 2019; 100:255-269. [PMID: 31606531 DOI: 10.1016/j.actbio.2019.10.011] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 09/26/2019] [Accepted: 10/04/2019] [Indexed: 12/18/2022]
Abstract
Inspired by the wound healing characteristics of the oral mucosa, a biomimetic hydrogel was prepared to realize the rapid and scar-free healing of skin wounds. Through monitoring the healing process of injured oral mucosa, we find out that the combination of high, rapid and sequential expression of some growth factors and the sterile-moist microenvironment are crucial for re-epithelialization and precise control of the inflammation process. On the base of our findings, a hydrogel loaded with several functional compounds was prepared to achieve a comprehensive simulation of the oral mucosal trauma microenvironment for skin wound healing. After 7 days treatment, the skin wound area of the treated group was only about 20% of that of the untreated group, and the proportion of collagen type III and type I in the treated group was much higher than that of the untreated group, suggesting lighter scar hyperplasia. The comprehensive treatment strategy of sequential expression of growth factors in combination with maintaining of a sterile and humid environment is expected to have great application prospect in the field of chronic trauma repair and cosmetic surgery. STATEMENT OF SIGNIFICANCE: Long healing time and scar hyperplasia during wound healing have been a serious problem in the past decades of wound healing research. Oral cavity wound healing occurs in an environment that sustains ongoing physical trauma and is rich in bacteria. Despite this, injuries to the mucosal surface often heal faster than cutaneous wounds and leave less noticeable scars. Therefore, in recent years, many scholars have begun to study the healing mechanism of oral mucosa, which supports a new inspiration for the study of skin wound repair: whether the injured skin can achieve a rapid scar-free healing effect similar to oral mucosa? Imitating the biological process of oral mucosa wound healing would be a promising therapeutic strategy in wound healing. Therefore, inspired by the wound healing characteristics of the oral mucosa, a biomimetic gel was prepared to realize the rapid and scar-free healing of skin wounds. Through monitoring the healing process of injured oral mucosa, the combination of high, rapid and sequential expression of some growth factors and sterile-moist microenvironment was crucial for re-epithelialization and precise control of the inflammation process. The comprehensive treatment strategy of sequential expression of growth factors in combination with maintance of a sterile and humid environment implies its potential use in the field of chronic trauma repair and cosmetic surgery.
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Affiliation(s)
- Xiaoying Kong
- College of Chemistry and Pharmacy, Qingdao Agricultural University, 700 Changcheng Road, Qingdao 266109, China
| | - Jun Fu
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Road, Ningbo 315200, China
| | - Kai Shao
- Medical Experimental Center, Qilu Hospital of Shandong University (Qingdao), 758 Hefei Road, Qingdao 266035, China
| | - Lili Wang
- College of Chemistry and Pharmacy, Qingdao Agricultural University, 700 Changcheng Road, Qingdao 266109, China
| | - Xuefang Lan
- College of Chemistry and Pharmacy, Qingdao Agricultural University, 700 Changcheng Road, Qingdao 266109, China
| | - Jinsheng Shi
- College of Chemistry and Pharmacy, Qingdao Agricultural University, 700 Changcheng Road, Qingdao 266109, China.
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Keshri GK, Yadav A, Verma S, Kumar B, Gupta A. Effects of Pulsed 810 nm Al-Ga-As Diode Laser on Wound Healing Under Immunosuppression: A Molecular Insight. Lasers Surg Med 2019; 52:424-436. [PMID: 31483061 DOI: 10.1002/lsm.23156] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/23/2019] [Indexed: 11/08/2022]
Abstract
BACKGROUND AND OBJECTIVES Dysregulated inflammation is one of the major contributing factors for the prevalence of non-healing chronic wound in immunosuppressed subjects. Photobiomodulation (PBM) has emerged as a potential non-thermal, light-based therapeutic healing intervention for the treatment of impaired wounds. STUDY DESIGN/MATERIALS AND METHODS The present study delineates the underlying molecular mechanisms of PBM 810 nm laser-induced full-thickness cutaneous wound repair in immunosuppressed rats at continuous and pulsed wave-mode with power-density of 40 mW/cm 2 , fluence 22.6 J/cm 2 for 10 minutes daily for 7 post-wounding days. Molecular markers were assessed using biochemical, enzyme-linked immunosorbent assay quantification, enzyme kinetics and immunoblots analyses pertaining to inflammation, oxidative stress, cell survival, calcium signaling, and proliferation cascades. RESULTS Results distinctly revealed that pulsed 810 nm (10 Hz) PBM potentially influenced the cell survival and proliferation signaling pathway by significantly upregulated phospho-protein kinase B(phospho-Akt), phospho-extracellular-signal-regulated kinase 1 (ERK1), transient receptor potential vanilloid-3 (TRPV3), Ca2+ , calmodulin, transforming growth factor-β1 (TGF-β1), TGF-βR3, and Na + /K + -ATPase pump levels. PBM treatment resulted in reduction of exaggerated inflammatory responses evident by significantly repressed levels of interleukin-1β (IL-1β), IL-6, cyclooxygenase 2 (COX-2), and substance-P receptor (SPR), as well as inhibited apoptotic cell death by decreasing p53, cytochrome C, and caspase 3 levels (P < 0.05), which, in turn, effectively augment the wound repair in immunosuppressed rats. PBM treatment also lowered 4-hydroxynoneal (HNE) adduct level and NADP/NADPH ratio and upregulated the GRP78 expression, which might culminate into reduced oxidative stress and maintained the redox homeostasis. CONCLUSIONS Taken together, these findings would be helpful in better understanding of the molecular aspects involved in pulsed 810 nm laser-mediated dermal wound healing in immunosuppressed rats through regulation of cell survival and proliferation via Ca2+ -calmodulin, Akt, ERK, and redox signaling. Lasers Surg. Med. © 2019 Wiley Periodicals, Inc.
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Affiliation(s)
- Gaurav K Keshri
- Pharmacology Devision, Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Delhi, 110 054, India
| | - Anju Yadav
- Pharmacology Devision, Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Delhi, 110 054, India
| | - Saurabh Verma
- Pharmacology Devision, Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Delhi, 110 054, India
| | - Bhuvnesh Kumar
- Pharmacology Devision, Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Delhi, 110 054, India
| | - Asheesh Gupta
- Pharmacology Devision, Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Delhi, 110 054, India
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Applications of photobiomodulation in hearing research: from bench to clinic. Biomed Eng Lett 2019; 9:351-358. [PMID: 31456894 DOI: 10.1007/s13534-019-00114-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 04/28/2019] [Accepted: 06/04/2019] [Indexed: 02/06/2023] Open
Abstract
Hearing loss is very common and economically burdensome. No accepted therapeutic modality for sensorineural hearing loss is yet available; most clinicians emphasize rehabilitation, placing hearing aids and cochlear implants. Photobiomodulation (PBM) employs light energy to enhance or modulate the activities of specific organs, and is a popular non-invasive therapy used to treat skin lesions and neurodegenerative disorders. Efforts to use PBM to improve hearing have been ongoing for several decades. Initial in vitro studies using cell lines and ex vivo culture techniques have now been supplanted by in vivo studies in animals; PBM protects the sensory epithelium and triggers neural regeneration. Many reports have used PBM to treat tinnitus. In this brief review, we introduce PBM applications in hearing research, helpful protocols, and relevant background literature.
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Lamaro-Cardoso A, Bachion MM, Morais JM, Fantinati MS, Milhomem AC, Almeida VL, Vinaud MC, Lino-Júnior RS. Photobiomodulation associated to cellular therapy improve wound healing of experimental full thickness burn wounds in rats. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2019; 194:174-182. [PMID: 30999165 DOI: 10.1016/j.jphotobiol.2019.04.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 04/03/2019] [Accepted: 04/09/2019] [Indexed: 01/05/2023]
Abstract
Adipose derived stromal vascular fraction (SVF) is a method of cell therapy potentially applicable for treatment of full thickness burns. Here we investigated if the association of photobiomodulation (PBM) with SVF therapy could improve wound healing in experimentally induced full thickness burn wounds in rats compared to the topical agent 2% silver sulfadiazine in a dose-dependent manner. Sixty-six male Wistar rats were divided in 4 groups containing 5 animals each which received the following treatments: 2% sulfadiazine (SD), SVF, SVF plus PBM at 30 mW (SVFL30), and SVF plus PBM at 100 mW (SVFL100). Two donor animals were used for each experimental series with 3, 7 and 30 days. Digital photography, microscopic analysis with Hematoxilin and Eosin (H&E), quantification of collagen type I by picrosirius red staining analysis and wound contraction evaluation were performed in order to quantify the results. At day 3 SVF alone or combined with PBM promoted increased early inflammatory response compared to SD. At day 7 SVFL30 and SVFL100 enhanced inflammatory cells infiltration, angiogenesis and fibroblast content compared to SVF and SD groups. At day 30 collagen concentration and wound contraction were higher in SVFL30 when compared to the other groups. In conclusion PBM promotes a synergistic outcome with SVF therapy with a dose dependent effect potentializing wound healing of experimental full thickness burns in rats through amplification of early inflammatory response, enhanced angiogenesis, fibroblast content, accentuated wound contraction and collagen concentration.
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Affiliation(s)
| | - Maria M Bachion
- Faculty of Nursing, Federal University of Goiás, Goiânia, Brazil
| | - Júlia M Morais
- Faculty of Medicine, Federal University of Goiás, Jataí, Brazil
| | | | - Anália C Milhomem
- Laboratory of Experimental Pathology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Brazil
| | - Vera L Almeida
- Laboratory of Experimental Pathology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Brazil
| | - Marina C Vinaud
- Laboratory of Experimental Pathology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Brazil
| | - Ruy S Lino-Júnior
- Laboratory of Experimental Pathology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Brazil.
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