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Li J, Ding J, Wu H, Lu C, Wu J, Luo Q. Tat-CIRP Peptide Facilitates Frozen Wound Healing by Ameliorating Inflammation and Promoting Angiogenesis. J Inflamm Res 2024; 17:2205-2215. [PMID: 38623470 PMCID: PMC11017987 DOI: 10.2147/jir.s450288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 04/04/2024] [Indexed: 04/17/2024] Open
Abstract
Background Frostbite is a chemia resulting from cold-induced skin damage. The process of frostbite is often accompanied by inflammation, and the therapeutic strategies focusing on anti-inflammation are the main direction to data. Tat-CIRP is a 15 amino acid peptide containing HIV protein and cold-inducible RNA-binding protein (CIRP), which is believed to compete with endogenous CIRP for myeloid differentiation 2 (MD2) binding. This study aims to investigate the efficacy of Tat-CIRP in the treatment of frostbite. Methods A mouse model of frostbite was established, and on the first day after frostbite occurrence, Tat-CIRP peptide was administered intravenously via the tail with a dosage interval of one day for a total of three doses. Frozen mouse skin sections were subjected to histological analysis, including hematoxylin-eosin (HE) staining, Masson staining, and immunohistochemical examination. Western blotting was performed to detect the expression level of Ki-67 in mouse skin tissue. Results One day after frostbite, mice exhibited skin swelling and a solid appearance. From day 1 to 5 after frostbite, MD2 expression was significantly upregulated, while CIRP expression was downregulated. Compared to the frostbite group, mice treated with Tat-CIRP showed accelerated frostbite recovery, reduced levels of inflammatory factors and MD2. Furthermore, the expression of cell proliferation-associated protein Ki-67 and angiogenesis-related protein CD31 was upregulated. Conclusion Tat-CIRP promotes frozen wound healing via inhibiting inflammation and promoting angiogenesis in frostbitten mice.
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Affiliation(s)
- Jiayan Li
- Department of Hypoxic Biomedicine, Institute of Special Environmental Medicine and Coinnovation Center of Neuroregeneration, Nantong University, Nantong, 226019, People’s Republic of China
| | - Jie Ding
- Department of Hypoxic Biomedicine, Institute of Special Environmental Medicine and Coinnovation Center of Neuroregeneration, Nantong University, Nantong, 226019, People’s Republic of China
| | - Haoyang Wu
- Department of Hypoxic Biomedicine, Institute of Special Environmental Medicine and Coinnovation Center of Neuroregeneration, Nantong University, Nantong, 226019, People’s Republic of China
| | - Chenyan Lu
- Department of Hypoxic Biomedicine, Institute of Special Environmental Medicine and Coinnovation Center of Neuroregeneration, Nantong University, Nantong, 226019, People’s Republic of China
| | - Jian Wu
- Department of Pharmacy, Huashan Hospital, Fudan University, Shanghai, 200040, People’s Republic of China
| | - Qianqian Luo
- Department of Hypoxic Biomedicine, Institute of Special Environmental Medicine and Coinnovation Center of Neuroregeneration, Nantong University, Nantong, 226019, People’s Republic of China
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Gruber E, Oberhammer R, Brugger H, Bresadola E, Avogadri M, Kompatscher J, Kaufmann M. Prolonged critical avalanche burial for nearly 23 h with severe hypothermia and severe frostbite with good recovery: a case report. Scand J Trauma Resusc Emerg Med 2024; 32:11. [PMID: 38347576 PMCID: PMC10863192 DOI: 10.1186/s13049-024-01184-3] [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: 12/09/2023] [Accepted: 02/02/2024] [Indexed: 02/15/2024] Open
Abstract
BACKGROUND Accidental hypothermia with severe frostbite is a rare combination of injuries with a high risk for long-term sequelae. There are widely accepted recommendations for the management of avalanche victims and for frostbite treatment, but no recommendation exists for the treatment of frostbite in severe hypothermic patients, specifically for the management of hypothermic avalanche victims presenting with frostbite. CASE PRESENTATION We present a case of a previously healthy, 53-year-old male skier who was critically buried by an avalanche at 2300 m of altitude at an ambient temperature of - 8 °C for nearly 23 h. The victim was found with the right hand out of the snow and an air connection to outside. He was somnolent with Glasgow Coma Scale 11 (Eye 4, Verbal 2, Motor 5) and spontaneously breathing, in a severely hypothermic state with an initial core temperature of 23.1 °C and signs of cold injuries in all four extremities. After rescue and active external forced air rewarming in the intensive care unit, the clinical signs of first-degree frostbite on both feet and the left hand vanished, while third- to fourth-degree frostbite injuries became apparent on all fingers of the right hand. After reaching a core body temperature of approximately 36 °C, aggressive frostbite treatment was started with peripheral arterial catheter-directed thrombolysis with alteplase, intravenous iloprost, ibuprofen, dexamethasone and regional sympathicolysis with a right-sided continuous axillary block. After ten months, the patient had no tissue loss but needed neuropathic pain treatment with pregabalin. CONCLUSION The combination of severe accidental hypothermia and severe frostbite is rare and challenging, as drug metabolism is unpredictable in a hypothermic patient and no recommendations for combined treatment exist. There is general agreement to give hypothermia treatment the priority and to begin frostbite treatment as early as possible after full rewarming of the patient. More evidence is needed to identify the optimal dosage and time point to initiate treatment of frostbite in severely hypothermic patients. This should be taken into consideration by future treatment recommendations.
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Affiliation(s)
- Elisabeth Gruber
- Department of Emergency Medicine, Anaesthesia and Intensive Care, Hospital of Bolzano (SABES-ASDAA), Teaching Hospital of Paracelsus Medical University, Via Lorenz Boehler 5, 39100, Bolzano-Bozen, Italy.
- HELI HEMS Service South Tyrol, Via Lorenz Boehler 3, 39100, Bolzano-Bozen, Italy.
| | - Rosmarie Oberhammer
- HELI HEMS Service South Tyrol, Via Lorenz Boehler 3, 39100, Bolzano-Bozen, Italy
- Department of Anaesthesia and Intensive Care, Emergency Medicine and Pain Therapy, Hospital of Brunico (SABES-ASDAA), Teaching Hospital of Paracelsus Medical University, Via Ospedale 11, 39031, Brunico-Bruneck, Italy
| | - Hermann Brugger
- Institute of Mountain Emergency Medicine, Eurac Research, Via Ipazia 2, 39100, Bolzano-Bozen, Italy
| | - Elisa Bresadola
- Department of Emergency Medicine, Anaesthesia and Intensive Care, Hospital of Bolzano (SABES-ASDAA), Teaching Hospital of Paracelsus Medical University, Via Lorenz Boehler 5, 39100, Bolzano-Bozen, Italy
- Aiut Alpin Dolomites Helicopter Emergency Medical Service, Pontives 24, 39040, Laion- Lajen, Italy
| | - Matteo Avogadri
- Aiut Alpin Dolomites Helicopter Emergency Medical Service, Pontives 24, 39040, Laion- Lajen, Italy
| | - Julia Kompatscher
- Department of Emergency Medicine, Anaesthesia and Intensive Care, Hospital of Bolzano (SABES-ASDAA), Teaching Hospital of Paracelsus Medical University, Via Lorenz Boehler 5, 39100, Bolzano-Bozen, Italy
- HELI HEMS Service South Tyrol, Via Lorenz Boehler 3, 39100, Bolzano-Bozen, Italy
| | - Marc Kaufmann
- Department of Emergency Medicine, Anaesthesia and Intensive Care, Hospital of Bolzano (SABES-ASDAA), Teaching Hospital of Paracelsus Medical University, Via Lorenz Boehler 5, 39100, Bolzano-Bozen, Italy
- HELI HEMS Service South Tyrol, Via Lorenz Boehler 3, 39100, Bolzano-Bozen, Italy
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Wang F, Liu J, An Q, Wang Y, Yang Y, Huo T, Yang S, Ju R, Quan Q. Aloe Extracts Inhibit Skin Inflammatory Responses by Regulating NF-κB, ERK, and JNK Signaling Pathways in an LPS-Induced RAW264.7 Macrophages Model. Clin Cosmet Investig Dermatol 2023; 16:267-278. [PMID: 36742263 PMCID: PMC9891070 DOI: 10.2147/ccid.s391741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 01/10/2023] [Indexed: 01/28/2023]
Abstract
Introduction Inflammation generally refers to the body's defensive response to stimuli, and skin inflammation is still one of the major problems that affect human physical and mental health. While current pharmacological treatments are reported to have cytotoxicity and various side effects, herbal medicines with few side effects and low cytotoxicity are considered as alternative therapeutic approaches. Methods In order to investigate anti-inflammatory effects and mechanisms of ALOE, the potential cytotoxicity of A. vera extracts (ALOE) was determined in vitro at first. The production of the pro-inflammatory proteins (ie, IL-6, TNF-α) in lipopolysaccharides (LPS) and ultraviolet A (UVA)-stimulated HaCaT and RAW264.7 cells were then treated with ALOE to test its inhibitory effects using enzyme-linked immunosorbent assay (ELISA). To further explore the anti-inflammatory mechanisms of ALOE, quantitative Polymerase Chain Reaction (qPCR) was used to analyze the mRNA expression of inflammatory genes iNOS, COX-2 and NO production. For NF-κB and MAPK signaling pathways analysis, Western blotting and nuclear fluorescence staining were used to evaluate the expression of key factors. Results ALOE did not exhibit obvious cytotoxicity (0-3 mg/mL) in vitro. ALOE was able to inhibit the expression of pro-inflammatory cytokines IL-6, TNF-α and functioned more prominently in LPS-induced model. ALOE could also suppress the mRNA expression of LPS-induced iNOS and COX-2 and further down-regulate NO level. Furthermore, ALOE reduced the protein expression of P65 in NF-κB signaling pathway and suppressed LPS-induced activation of ERK and JNK, instead of p38 MAPK pathway. Conclusion Taken together, these results demonstrated that ALOE is a potential treatment in suppressing LPS-stimulated inflammation reactions targeting NF-κB, JNK and ERK signaling pathways. The anti-inflammatory effects of ALOE indicated that it has the potential to become an effective cosmetic ingredient.
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Affiliation(s)
- Fei Wang
- Research and Development Department, Yunnan Baiyao Group Health Products Co., Ltd., Kunming, People’s Republic of China,East Asia Skin Health Research Center, Beijing, People’s Republic of China,Research and Development Department, REAL DermaSci & Biotech Co., Ltd., Beijing, People’s Republic of China
| | - Jitao Liu
- Research and Development Department, Yunnan Baiyao Group Health Products Co., Ltd., Kunming, People’s Republic of China,East Asia Skin Health Research Center, Beijing, People’s Republic of China,Research and Development Department, REAL DermaSci & Biotech Co., Ltd., Beijing, People’s Republic of China
| | - Quan An
- Research and Development Department, Yunnan Baiyao Group Health Products Co., Ltd., Kunming, People’s Republic of China,East Asia Skin Health Research Center, Beijing, People’s Republic of China,Research and Development Department, REAL DermaSci & Biotech Co., Ltd., Beijing, People’s Republic of China,Research and Development Department, Yunnan Baiyao Group Shanghai Science & Technology Co., Ltd., Shanghai, People’s Republic of China
| | - Yiming Wang
- Research and Development Department, Yunnan Baiyao Group Health Products Co., Ltd., Kunming, People’s Republic of China,East Asia Skin Health Research Center, Beijing, People’s Republic of China,Research and Development Department, REAL DermaSci & Biotech Co., Ltd., Beijing, People’s Republic of China
| | - Yang Yang
- Research and Development Department, Yunnan Baiyao Group Health Products Co., Ltd., Kunming, People’s Republic of China,East Asia Skin Health Research Center, Beijing, People’s Republic of China,Research and Development Department, REAL DermaSci & Biotech Co., Ltd., Beijing, People’s Republic of China
| | - Tong Huo
- Research and Development Department, Yunnan Baiyao Group Health Products Co., Ltd., Kunming, People’s Republic of China,East Asia Skin Health Research Center, Beijing, People’s Republic of China,Research and Development Department, REAL DermaSci & Biotech Co., Ltd., Beijing, People’s Republic of China
| | - Simin Yang
- Beijing Key Laboratory of Enze Biomass Fine Chemicals, Department of Pharmaceutical Engineering, Beijing Institute of Petrochemical Technology, Beijing, People’s Republic of China
| | - Ruijun Ju
- Beijing Key Laboratory of Enze Biomass Fine Chemicals, Department of Pharmaceutical Engineering, Beijing Institute of Petrochemical Technology, Beijing, People’s Republic of China
| | - Qianghua Quan
- Research and Development Department, Yunnan Baiyao Group Health Products Co., Ltd., Kunming, People’s Republic of China,East Asia Skin Health Research Center, Beijing, People’s Republic of China,Research and Development Department, REAL DermaSci & Biotech Co., Ltd., Beijing, People’s Republic of China,Research and Development Department, Yunnan Baiyao Group Shanghai Science & Technology Co., Ltd., Shanghai, People’s Republic of China,Correspondence: Qianghua Quan, Yunnan Baiyao Group Health Products Co., Ltd, Kunming, People’s Republic of China, Email
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Sympathetic System in Wound Healing: Multistage Control in Normal and Diabetic Skin. Int J Mol Sci 2023; 24:ijms24032045. [PMID: 36768369 PMCID: PMC9916402 DOI: 10.3390/ijms24032045] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/14/2023] [Accepted: 01/18/2023] [Indexed: 01/22/2023] Open
Abstract
In this review, we discuss sympathetic regulation in normal and diabetic wound healing. Experimental denervation studies have confirmed that sympathetic nerve endings in skin have an important and complex role in wound healing. Vasoconstrictor neurons secrete norepinephrine (NE) and neuropeptide Y (NPY). Both mediators decrease blood flow and interact with inflammatory cells and keratinocytes. NE acts in an ambiguous way depending on receptor type. Beta2-adrenoceptors could be activated near sympathetic endings; they suppress inflammation and re-epithelialization. Alpha1- and alpha2-adrenoceptors induce inflammation and activate keratinocytes. Sudomotor neurons secrete acetylcholine (ACh) and vasoactive intestinal peptide (VIP). Both induce vasodilatation, angiogenesis, inflammation, keratinocytes proliferation and migration. In healthy skin, all effects are important for successful healing. In treatment of diabetic ulcers, mediator balance could be shifted in different ways. Beta2-adrenoceptors blockade and nicotinic ACh receptors activation are the most promising directions in treatment of diabetic ulcers with neuropathy, but they require further research.
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Chen Y, Chen X, Zhou Q. Different effects of a perioperative single dose of dexamethasone on wound healing in mice with or without sepsis. Front Surg 2023; 10:927168. [PMID: 37114154 PMCID: PMC10126451 DOI: 10.3389/fsurg.2023.927168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 03/16/2023] [Indexed: 04/29/2023] Open
Abstract
Introduction Sepsis delays wound healing owing to uncontrolled inflammation. A single perioperative dose of dexamethasone is widely used because of its anti-inflammatory effects. However, the effects of dexamethasone on wound healing in sepsis remain unclear. Methods We discuss the methods to obtain dose curves and explore the safe dosage range for wound healing in mice with or without sepsis. A saline or LPS intraperitoneal injection was applied to C57BL/6 mice. After 24 hours, the mice received a saline or DEX intraperitoneal injection and full-thickness, dorsal wounding operation. Wound healing was observed by image record, immunofluorescence and histological staining. Inflammatory cytokines and M1/M2 macrophages in wounds were determined by ELISA and immunofluorescence, respectively. Results Dose-response curves reflected the safe dosage range of DEX in mice with or without sepsis, from 0.121 to 2.03 mg/kg and from 0 to 0.633 mg/kg, respectively. we found that a single dose of dexamethasone (1 mg/kg, i.p.) promoted wound healing in septic mice, but delayed wound healing in normal mice. In normal mice, dexamethasone delays inflammation, resulting in an insufficient number of macrophages during the healing process. In septic mice, dexamethasone alleviated excessive inflammation and maintained the balance of M1/M2 macrophages in the early and late healing process. Discussion In summary, the safe dosage range of dexamethasone in septic mice is wider than that in normal mice. A single dose of dexamethasone (1 mg/kg) increased wound healing in septic mice, but delayed it in normal mice. Our findings provide helpful suggestions for the rational use of dexamethasone.
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Affiliation(s)
- Yuanyang Chen
- Department of Anesthesiology, Affiliated Shanghai Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaoshan Chen
- Department of Anesthesiology, Affiliated Shanghai Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Quanhong Zhou
- Department of ICU, Affiliated Shanghai Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, China
- Correspondence: Quanhong Zhou
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Wang Y, Sheng A, Jiang X, Yang S, Lin L, Yang M, Zhu F, Hu Y, Li J, Chang L. Multidrug dissolvable microneedle patch for the treatment of recurrent oral ulcer. Biodes Manuf 2022. [DOI: 10.1007/s42242-022-00221-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Quan Q, Weng D, Li X, An Q, Yang Y, Yu B, Ma Y, Wang J. Analysis of drug efficacy for inflammatory skin on an organ-chip system. Front Bioeng Biotechnol 2022; 10:939629. [PMID: 36118585 PMCID: PMC9478476 DOI: 10.3389/fbioe.2022.939629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 07/27/2022] [Indexed: 11/21/2022] Open
Abstract
Bacterial skin infections cause a variety of common skin diseases that require drugs that are safer than antibiotics and have fewer side effects. However, for evaluating skin disease drugs, human skin tissue in vitro constructed traditionally on Transwell has inefficient screening ability because of its fragile barrier function. With mechanical forces and dynamic flow, the organ-on-a-chip system became an innovative, automatic, and modular way to construct pathological models and analyze effective pharmaceutical ingredients in vitro. In this research, we integrated skin extracellular matrix and skin cells into a microfluidic chip to construct a biomimetic “interface-controlled-skin-on-chip” system (IC-SoC), which constructed a stable air–liquid interface (ALI) and necessary mechanical signals for the development of human skin equivalents. The results demonstrated that in the microfluidic system with a flowing microenvironment and ALI, the skin tissue formed in vitro could differentiate into more mature tissue morphological structures and improve barrier function. Then, following exposing the skin surface on the IC-SoC to the stimulation of Propionibacterium acnes (P.acnes) and SLS (sodium lauryl sulfate), the barrier function decreased, as well as inflammatory factors such as IL-1α, IL-8, and PEG2 increased in the medium channel of the IC-SoC. After this pathological skin model was treated with dexamethasone and polyphyllin H, the results showed that polyphyllin H had a significant repair effect on the skin barrier and a significant inhibition effect on the release of inflammation-related cytokines, and the effects were more prominent than dexamethasone. This automated microfluidic system delivers an efficient tissue model for toxicological applications and drug evaluation for bacterial-infected damaged skin instead of animals.
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Affiliation(s)
- Qianghua Quan
- State Key Laboratory of Tribology, Tsinghua University, Beijing, PR, China
| | - Ding Weng
- State Key Laboratory of Tribology, Tsinghua University, Beijing, PR, China
| | - Xuan Li
- State Key Laboratory of Tribology, Tsinghua University, Beijing, PR, China
| | - Quan An
- East Asia Skin Health Research Center, Beijing, China
| | - Yang Yang
- East Asia Skin Health Research Center, Beijing, China
| | - Bowen Yu
- State Key Laboratory of Tribology, Tsinghua University, Beijing, PR, China
| | - Yuan Ma
- State Key Laboratory of Tribology, Tsinghua University, Beijing, PR, China
- *Correspondence: Yuan Ma, ; Jiadao Wang,
| | - Jiadao Wang
- State Key Laboratory of Tribology, Tsinghua University, Beijing, PR, China
- *Correspondence: Yuan Ma, ; Jiadao Wang,
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Ding C, Zhou C, Fan Y, Liu Q, Zhang H, Wu Z. Electrospun polylactic acid/sulfadiazine sodium/proteinase nanofibers and their applications in treating frostbite. J Appl Polym Sci 2021. [DOI: 10.1002/app.51716] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Chengbiao Ding
- Department of Rehabilitation Medicine The Second Hospital of Anhui Medical University Hefei Anhui China
- School of Nuclear Science and Technology University of Science and Technology of China Hefei China
| | - Chenxu Zhou
- Department of Rehabilitation Medicine The Second Hospital of Anhui Medical University Hefei Anhui China
| | - Yueyao Fan
- School of Nuclear Science and Technology University of Science and Technology of China Hefei China
| | - Qi Liu
- School of Nuclear Science and Technology University of Science and Technology of China Hefei China
| | - Haifeng Zhang
- School of Nuclear Science and Technology University of Science and Technology of China Hefei China
| | - Zhengwei Wu
- School of Nuclear Science and Technology University of Science and Technology of China Hefei China
- CAS Key Laboratory of Geospace Environment University of Science and Technology of China Hefei China
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