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Kumar V, Kumar N, Gangwar AK, Singh R. Comparative evaluation of two different xenogenic acellular matrices on full-thickness skin wound healing. J Wound Care 2024; 33:lxxiv-lxxx. [PMID: 38457271 DOI: 10.12968/jowc.2024.33.sup3a.lxxiv] [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] [Indexed: 03/10/2024]
Abstract
OBJECTIVE The purpose of the study was to compare the healing potential of bubaline small intestinal matrix (bSIM) and fish swim bladder matrix (FSBM) on full-thickness skin wounds in rabbits. METHOD Four full-thickness skin wounds (each 20×20mm) were created on the dorsum of 18 rabbits that were divided into three groups based on treatment: untreated sham control (I), implanted with double layers of bSIM (II) and implanted with double layers of FSBM (III). Macroscopic, immunologic and histologic observations were made to evaluate wound healing. RESULTS Gross healing progression in the bSIM and FSBM groups showed significantly (p<0.05) less wound contraction compared with the sham group. The IgG concentration in rabbit sera was significantly (p<0.05) lower in the FSBM group compared with the bSIM group by enzyme-linked immunosorbent assay. The stimulation index of peripheral blood lymphocytes was significantly (p<0.05) lower in the FSBM group compared with the bSIM group by the MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay. Implantation of FSBM resulted in improved re-epithelialisation, neovascularisation and fibroplasia. CONCLUSION The FSBM is a more effective dermal substitute when compared with the bSIM for full-thickness skin wound repair in rabbit.
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Affiliation(s)
- Vineet Kumar
- Department of Veterinary Surgery and Radiology, College of Veterinary and Animal Sciences, Bihar Animal Sciences University, Kishanganj-855107, Bihar, India
| | - Naveen Kumar
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh, India
| | - Anil K Gangwar
- Department of Veterinary Surgery and Radiology, College of Veterinary Science and Animal Husbandry, Acharya Narendra Deva University of Agriculture and Technology, Ayodhya, Uttar Pradesh, India
| | - Rajendra Singh
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh, India
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Momen LT, Abdolmaleki A, Asadi A, Zahri S. Characterization and biocompatibility evaluation of acellular rat skin scaffolds for skin tissue engineering applications. Cell Tissue Bank 2024; 25:217-230. [PMID: 37660321 DOI: 10.1007/s10561-023-10109-w] [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: 05/16/2023] [Accepted: 08/16/2023] [Indexed: 09/05/2023]
Abstract
Utilization of acellular scaffolds, extracellular matrix (ECM) without cell content, is growing in tissue engineering, due to their high biocompatibility, bioactivity ad mechanical support. Hence, the purpose of this research was to study the characteristics and biocompatibility of decellularized rat skin scaffolds using the osmotic shock method. First, the skin of male Wistar rats was harvested and cut into 1 × 1 cm2 pieces. Then, some of the harvested parts were subjected to the decellularization process by applying osmotic shock. Comparison of control and scaffold samples was conducted in order to assure cell elimination and ECM conservation by means of histological evaluations, quantification of biochemical factors, measurement of DNA amount, and photographing the ultrastructure of the samples by scanning electron microscopy (SEM). In order to evaluate stem cell viability and adhesion to the scaffold, adipose-derived mesenchymal stem cells (AD-MSCs) were seeded on the acellular scaffolds. Subsequently, MTT test and SEM imaging of the scaffolds containing cultured cells were applied. The findings indicated that in the decellularized scaffolds prepared by osmotic shock method, not only the cell content was removed, but also the ECM components and its ultrastructure were preserved. Also, the 99% viability and adhesion of AD-MSCs cultured on the scaffolds indicate the biocompatibility of the decellularized skin scaffold. In conclusion, decellularized rat skin scaffolds are biocompatible and appropriate scaffolds for future investigations of tissue engineering applications.
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Affiliation(s)
- Leila Taghizadeh Momen
- Department of Biology, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Arash Abdolmaleki
- Department of Biophysics, Faculty of Advanced Technologies, University of Mohaghegh Ardabili, Namin, Iran.
| | - Asadollah Asadi
- Department of Biology, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Saber Zahri
- Department of Biology, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran
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Kumar N, Kumar V, Purohit S, Gangwar AK, Shrivastava S, Maiti SK, Saxena S, Mathews DD, Raghuvanshi PDS, Singh AK, Singh KP. Decellularization of Skin Tissue. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1345:165-191. [PMID: 34582023 DOI: 10.1007/978-3-030-82735-9_15] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Biomaterials science encompasses elements of medicine, biology, chemistry, materials, and tissue engineering. They are engineered to interact with biological systems to treat, augment, repair, or replace lost tissue function. The choice of biomaterial depends on the procedure being performed, the severity of the patient's condition, and the surgeon's preference. Prostheses made from natural-derived biomaterials are often derived from decellularized extracellular matrix (ECM) of animal (xenograft) or human (allograft) origin. Advantages of using ECM include their resemblance in morphology and three-dimensional structures with that of tissue to be replaced. Due to this, scientists all over are now focusing on naturally derived biomaterials which have been shown to possess several advantages compared to synthetic ones, owing to their biocompatibility, biodegradability, and remodeling properties. Advantages of a naturally derived biomaterial enhance their application for replacement or restoration of damaged organs/tissues. They adequately support cell adhesion, migration, proliferation, and differentiation. Naturally derived biomaterials can induce extracellular matrix formation and tissue repair when implanted into a defect by enhancing attachment and migration of cells from surrounding environment. In the current chapter, we will focus on the natural and synthetic dermal matrix development and all of the progress in this field.
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Affiliation(s)
- Naveen Kumar
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122, India.
| | - Vineet Kumar
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Sanjay Purohit
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Anil Kumar Gangwar
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Sameer Shrivastava
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Swapan Kumar Maiti
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Sonal Saxena
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Dayamon David Mathews
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122, India
| | | | - Ajit Kumar Singh
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Karam Pal Singh
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122, India
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Nanno Y, Burlak C. Xenotransplantation literature update, July/August 2020. Xenotransplantation 2020; 27:e12653. [PMID: 33020943 DOI: 10.1111/xen.12653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 09/21/2020] [Indexed: 11/29/2022]
Affiliation(s)
- Yoshihide Nanno
- Department of Surgery, Schultz Diabetes Institute, University of Minnesota, Minneapolis, MN, USA
| | - Christopher Burlak
- Department of Surgery, Schultz Diabetes Institute, University of Minnesota, Minneapolis, MN, USA
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Kumar V. Abdominal Intercostal Hernia in a Cat (Felis Domestica). Top Companion Anim Med 2020; 40:100437. [PMID: 32690282 DOI: 10.1016/j.tcam.2020.100437] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 04/13/2020] [Accepted: 04/14/2020] [Indexed: 11/28/2022]
Abstract
A 2-month-old entire female domestic short-hair cat (Felis domestica) with no history of trauma was presented for assessment of a swelling on the left thoracic wall. Palpation revealed a large, painless, reducible swelling between the tenth and eleventh ribs on the left side. Radiograph demonstrated dorsal displacement of the abdominal viscera through the tenth intercostal space. An abdominal ultrasound examination confirmed the displacement of stomach and spleen through tenth intercostal space. Surgical correction of the herniated contents was undertaken via intercostal celiotomy. An acellular dermal matrix scaffold, prepared from deceased donor caprine-skin upon treatment with 0.25% trypsin in 4 mol/L NaCl for 8 hours followed by 2% sodium dodecyl sulfate for 48 hours, was used to repair a 3 cm wide intercostal defect present between the tenth and eleventh ribs. Recovery was uncomplicated and the cat was asymptomatic till follow-up period of 26-month after surgery. Congenital intercostal hernia in a cat is being reported, which, to our knowledge, is the first report of its kind.
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Affiliation(s)
- Vineet Kumar
- Department of Veterinary Surgery and Radiology, College of Veterinary Science and Animal Husbandry, Junagadh Agricultural University, Junagadh, Gujarat, India.
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Asodiya FA, Kumar V, Vora SD, Singh VK, Fefar DT, Gajera HP. Preparation, characterization, and xenotransplantation of the caprine acellular dermal matrix. Xenotransplantation 2019; 27:e12572. [PMID: 31769102 DOI: 10.1111/xen.12572] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 10/22/2019] [Accepted: 11/06/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND Caprine skin is a promising biomaterial for tissue-engineering applications. However, tissue processing is required before its xenogenic use. AIMS Therefore, the purpose of this study was to evaluate the structural integrity and biocompatibility of the caprine skin after de-epithelialization, using sodium chloride (NaCl) and trypsin solutions, followed by de-cellularization using sodium dodecyl sulfate (SDS) solution. MATERIALS & METHODS The caprine skin was de-epithelialized using NaCl (2-4 mol/L) and trypsin (0.25%-0.5%) followed by the treatment of SDS (1%-4%) solution over a period of time. Acellularity of the prepared matrix was confirmed histologically and characterized by appropriate staining, scanning electron microscopy (SEM), DNA quantification, and Fourier-transform infrared (FTIR) spectroscopy. The caprine acellular dermal matrix (CADM) was used for the repair of spontaneously occurring abdominal hernia in ten buffaloes. The biocompatibility of the CADM was evaluated using clinical, hematological, biochemical, and anti-oxidant parameters. RESULTS Histologically, the skin treated with 0.25% trypsin in 4 mol/L NaCl for 8 hours resulted in complete de-epithelialization. Further treatment with 2% SDS for 48 hours demonstrated complete acellularity and orderly arranged collagen fibers. The SEM confirmed a preservation of collagen arrangement within CADM. The DNA content was significantly (P < .05) lower in CADM (46.20 ± 7.94 ng/mg) as compared to fresh skin (662.56 ± 156.11 ng/mg) indicating effective acellularity. The FTIR spectra showed characteristic collagen peaks of amide A, amide B, amide I, amide II, and amide III in CADM. All the 10 animals recovered uneventfully and remained sound. Hematological, biochemical, and anti-oxidants findings were unremarkable. CONCLUSION Results indicated the acceptance and biocompatibility of the xenogenic caprine acellular dermal matrix for abdominal hernia repair in buffaloes without complications.
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Affiliation(s)
- Foram A Asodiya
- Department of Veterinary Surgery and Radiology, College of Veterinary Science and Animal Husbandry, Junagadh Agricultural University, Junagadh, India
| | - Vineet Kumar
- Department of Veterinary Surgery and Radiology, College of Veterinary Science and Animal Husbandry, Junagadh Agricultural University, Junagadh, India
| | - Shruti D Vora
- Department of Veterinary Surgery and Radiology, College of Veterinary Science and Animal Husbandry, Junagadh Agricultural University, Junagadh, India
| | - Vivek K Singh
- Department of Veterinary Physiology and Biochemistry, College of Veterinary Science and Animal Husbandry, Junagadh Agricultural University, Junagadh, India
| | - Dhaval T Fefar
- Department of Veterinary Pathology, College of Veterinary Science and Animal Husbandry, Junagadh Agricultural University, Junagadh, India
| | - Harsukh P Gajera
- Department of Biotechnology, Junagadh Agricultural University, Junagadh, India
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Bubaline Aortic Matrix: Histologic, Imaging, Fourier Transform Infrared Spectroscopic Characterization and Application into Cattle Abdominal Hernia Repair. ACTA ACUST UNITED AC 2019. [DOI: 10.1007/s40011-019-01094-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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