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Marzec L, Liberek T, Chmielewski M, Bryl E, Witkowski JM, Liberek K, Zdrojewski Z, Rutkowski B. Expression of Heat Shock Protein 72 in Peritoneal Leukocytes is Induced by Peritoneal Dialysis. Perit Dial Int 2020. [DOI: 10.1177/089686080702700314] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background One of the main limitations of peritoneal dialysis (PD) is deterioration of functional and morphological characteristics of the peritoneum. This complication appears to be related to the low biocompatibility profile of PD fluids. Recently, induction of the heat shock protein (HSP) stress response was demonstrated in cultured human mesothelial cells exposed to PD fluid in vitro. We investigated whether expression of heat shock protein 72 (HSP-72) in peritoneal macrophages is induced upon exposure to PD fluid during continuous ambulatory PD. Methods Peritoneal leukocytes were isolated from 4-hour dwell dialysate; peripheral blood mononuclear cells (PBMC) and peripheral blood monocytes isolated from the same patients were used as a control. In separate experiments, PBMC from healthy individuals were exposed in vitro to different PD fluids or to culture media. Expression of HSP-72 was assessed by Western immunoblotting, flow cytometry, and reverse-transcription polymerase chain reaction analysis. Results Macrophages and leukocytes isolated from dialysis effluent expressed significantly increased HSP-72 and mRNA levels compared to blood monocytes and PBMC of the same patients. In vitro exposure of PBMC to fresh PD fluids resulted in significantly higher expression of HSP-72 compared to those incubated in culture medium. PBMC exposed in vitro to standard lactate-buffered dialysis fluids also expressed significantly more HSP-72 compared to cells exposed to bicarbonate/lactate-buffered fluids. Conclusion Our results indicate that exposure to PD fluids during dialysis triggers a shock response in peritoneal cells, which is manifested by significantly increased HSP-72 expression at both protein and mRNA levels. Analysis of this protein expression in peritoneal macrophages could be a new, convenient, and relevant way to assess the biocompatibility of PD fluids ex vivo.
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Affiliation(s)
- Lukasz Marzec
- Department of Nephrology, Transplantology and Internal Medicine, Medical University of Gdansk
| | - Tomasz Liberek
- Department of Nephrology, Transplantology and Internal Medicine, Medical University of Gdansk
| | - Michal Chmielewski
- Department of Nephrology, Transplantology and Internal Medicine, Medical University of Gdansk
| | - Ewa Bryl
- Department of Pathophysiology, Medical University of Gdansk
| | | | | | - Zbigniew Zdrojewski
- Department of Nephrology, Transplantology and Internal Medicine, Medical University of Gdansk
| | - Boleslaw Rutkowski
- Department of Nephrology, Transplantology and Internal Medicine, Medical University of Gdansk
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Miragem AA, Homem de Bittencourt PI. Nitric oxide-heat shock protein axis in menopausal hot flushes: neglected metabolic issues of chronic inflammatory diseases associated with deranged heat shock response. Hum Reprod Update 2018; 23:600-628. [PMID: 28903474 DOI: 10.1093/humupd/dmx020] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Accepted: 06/28/2017] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Although some unequivocal underlying mechanisms of menopausal hot flushes have been demonstrated in animal models, the paucity of similar approaches in humans impedes further mechanistic outcomes. Human studies might show some as yet unexpected physiological mechanisms of metabolic adaptation that permeate the phase of decreased oestrogen levels in both symptomatic and asymptomatic women. This is particularly relevant because both the severity and time span of hot flushes are associated with increased risk of chronic inflammatory disease. On the other hand, oestrogen induces the expression of heat shock proteins of the 70 kDa family (HSP70), which are anti-inflammatory and cytoprotective protein chaperones, whose expression is modulated by different types of physiologically stressful situations, including heat stress and exercise. Therefore, lower HSP70 expression secondary to oestrogen deficiency increases cardiovascular risk and predisposes the patient to senescence-associated secretory phenotype (SASP) that culminates in chronic inflammatory diseases, such as obesities, type 2 diabetes, neuromuscular and neurodegenerative diseases. OBJECTIVE AND RATIONALE This review focuses on HSP70 and its accompanying heat shock response (HSR), which is an anti-inflammatory and antisenescent pathway whose intracellular triggering is also oestrogen-dependent via nitric oxide (NO) production. The main goal of the manuscript was to show that the vasomotor symptoms that accompany hot flushes may be a disguised clue for important neuroendocrine alterations linking oestrogen deficiency to the anti-inflammatory HSR. SEARCH METHODS Results from our own group and recent evidence on hypothalamic control of central temperature guided a search on PubMed and Google Scholar websites. OUTCOMES Oestrogen elicits rapid production of the vasodilatory gas NO, a powerful activator of HSP70 expression. Whence, part of the protective effects of oestrogen over cardiovascular and neuroendocrine systems is tied to its capacity of inducing the NO-elicited HSR. The hypothalamic areas involved in thermoregulation (infundibular nucleus in humans and arcuate nucleus in other mammals) and whose neurons are known to have their function altered after long-term oestrogen ablation, particularly kisspeptin-neurokinin B-dynorphin neurons, (KNDy) are the same that drive neuroprotective expression of HSP70 and, in many cases, this response is via NO even in the absence of oestrogen. From thence, it is not illogical that hot flushes might be related to an evolutionary adaptation to re-equip the NO-HSP70 axis during the downfall of circulating oestrogen. WIDER IMPLICATIONS Understanding of HSR could shed light on yet uncovered mechanisms of menopause-associated diseases as well as on possible manipulation of HSR in menopausal women through physiological, pharmacological, nutraceutical and prebiotic interventions. Moreover, decreased HSR indices (that can be clinically determined with ease) in perimenopause could be of prognostic value in predicting the moment and appropriateness of starting a HRT.
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Affiliation(s)
- Antônio Azambuja Miragem
- Laboratory of Cellular Physiology, Department of Physiology, Federal University of Rio Grande do Sul, Rua Sarmento Leite 500, ICBS, 2nd Floor, Suite 350, Porto Alegre, RS 90050-170, Brazil.,Federal Institute of Education, Science and Technology 'Farroupilha', Rua Uruguai 1675, Santa Rosa, RS 98900-000, Brazil
| | - Paulo Ivo Homem de Bittencourt
- Laboratory of Cellular Physiology, Department of Physiology, Federal University of Rio Grande do Sul, Rua Sarmento Leite 500, ICBS, 2nd Floor, Suite 350, Porto Alegre, RS 90050-170, Brazil
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Hsu SF, Chao CM, Chang CP, Lin MT, Cheng BC. Heat shock protein 72 may improve hypotension by increasing cardiac mechanical efficiency and arterial elastance in heatstroke rats. Int J Cardiol 2016; 219:63-9. [PMID: 27288968 DOI: 10.1016/j.ijcard.2016.05.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 04/22/2016] [Accepted: 05/01/2016] [Indexed: 11/30/2022]
Abstract
OBJECTIVE We attempted to test the hypothesis that preinduction of heat shock protein (HSP) 72 in the heart would improve left ventricular performance in rat heatstroke. METHODS Cardiac expression of HSP 72 was quantitatively evaluated by western blot analysis in rats 0h, 12h, or 72h after mild heat preconditioning (MHP; 43°C for 30min). They were subjected to severe heat stress (SHS; 43°C for 70min) to induce heatstroke. A 1.2F catheter-tip pressure transducer was inserted into the left ventricle of these group rats under general anesthesia to record hemodynamic in the closed chest with a pressure-volume loop module data recording and analysis system. RESULTS At the time point of heatstroke onset, compared with normothermic controls, group rats with 12h post-MHP had significantly increased cardiac HSP 72, decreased hyperthermia, decreased hypotension, decreased bradycardia, increased end-systolic pressure, increased end-diastolic pressure, increased stroke volume, decreased end-systolic volume, decreased end-diastolic pressure, increased cardiac output, increased ejection fraction, increased stroke work, increased arterial elastance, and decreased time constant of fall in ventricular pressure by Glantz-methods. With the loss of cardiac HSP 72 expression observed at 72h in post-MHP group rats, an insignificant protection against left ventricular performance was observed. CONCLUSION Preinduction of cardiac HSP 72 may improve hypotension in heatstroke rats by increasing both cardiac mechanical efficiency and arterial elastance.
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Affiliation(s)
- Shu-Fen Hsu
- Department of Nursing, Shu-Zen Junior College of Medicine and Management, Kaohsiung City 821, Taiwan
| | - Chien-Ming Chao
- Department of Intensive Care Medicine, Chi Mei Medical Center, Liouying, Tainan 736, Taiwan
| | - Ching-Ping Chang
- Department of Medical Research, Chi Mei Medical Center, Tainan 710, Taiwan; Department of Biotechnology, Southern Taiwan University of Science and Technology, Tainan 710, Taiwan
| | - Mao-Tsun Lin
- Department of Medical Research, Chi Mei Medical Center, Tainan 710, Taiwan
| | - Bor-Chih Cheng
- Department of Biotechnology, Southern Taiwan University of Science and Technology, Tainan 710, Taiwan; Department of Surgery, Chi Mei Medical Center, Tainan 710, Taiwan.
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Stawicki SP, Stoltzfus JC, Aggarwal P, Bhoi S, Bhatt S, Kalra OP, Bhalla A, Hoey BA, Galwankar SC, Paladino L, Papadimos TJ. Academic College of Emergency Experts in India's INDO-US Joint Working Group and OPUS12 Foundation Consensus Statement on Creating A Coordinated, Multi-Disciplinary, Patient-Centered, Global Point-of-Care Biomarker Discovery Network. Int J Crit Illn Inj Sci 2014; 4:200-8. [PMID: 25337481 PMCID: PMC4200545 DOI: 10.4103/2229-5151.141398] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Biomarker science brings great promise to clinical medicine. This is especially true in the era of technology miniaturization, rapid dissemination of knowledge, and point-of-care (POC) implementation of novel diagnostics. Despite this tremendous progress, the journey from a candidate biomarker to a scientifically validated biomarker continues to be an arduous one. In addition to substantial financial resources, biomarker research requires considerable expertise and a multidisciplinary approach. Investigational designs must also be taken into account, with the randomized controlled trial remaining the “gold standard”. The authors present a condensed overview of biomarker science and associated investigational methods, followed by specific examples from clinical areas where biomarker development and/or implementation resulted in tangible enhancements in patient care. This manuscript also serves as a call to arms for the establishment of a truly global, well-coordinated infrastructure dedicated to biomarker research and development, with focus on delivery of the latest discoveries directly to the patient via point-of-care technology.
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Affiliation(s)
- Stanislaw P Stawicki
- Department of Research and Innovation, Research Institute, Bethlehem, Pennsylvania ; Department of Research and Innovation, OPUS 12 Foundation Global, Columbus, USA
| | - Jill C Stoltzfus
- Department of Research and Innovation, Research Institute, Bethlehem, Pennsylvania ; Department of Research and Innovation, Research Institute, Bethlehem, Pennsylvania
| | - Praveen Aggarwal
- Department of Emergency Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Sanjeev Bhoi
- Department of Emergency Medicine, All India Institute of Medical Sciences, New Delhi, India
| | - Shashi Bhatt
- Department of Anesthesiology, University of Toledo, College of Medicine, Toledo, USA
| | - O P Kalra
- Department of Medicine, University College of Medical Sciences, New Delhi, India
| | - Ashish Bhalla
- Department of Internal Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Brian A Hoey
- Department of Research and Innovation, OPUS 12 Foundation Global, Columbus, USA ; Department of Surgery, St Luke's University Health Network, Bethlehem, Pennsylvania
| | - Sagar C Galwankar
- Department of Research and Innovation, OPUS 12 Foundation Global, Columbus, USA ; Department of Emergency Medicine, University of Florida and Winter Haven Hospital, Florida, USA
| | - Lorenzo Paladino
- Department of Emergency Medicine, SUNY Downstate Medical Center, Long Island College Hospital, New York, USA
| | - Thomas J Papadimos
- Department of Research and Innovation, OPUS 12 Foundation Global, Columbus, USA ; Department of Anesthesiology, The Ohio State University College of Medicine, Columbus, Ohio, USA
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Abstract
Damp obstruction refers to the stagnation of vital energy (qi) caused by dampness resulting in dysfunction of body and limbs movement, as well as impairment of spleen and stomach digestive function. Damp obstruction is the dampness-induced imbalance of five elements; thus it serves as an ideal model for genomic study using cDNA microarray. We have performed microarray analyses to major organs of damp-obstructed rats. Cluster analysis for the expression profiles of major organs indicated that spleen, stomach, and kidney respond to dampness differently from heart, liver, lung, and brain. Gene expression profile specific to each element or group of elements was also identified. Our results are consistent with the philosophy of Chinese medicine that the five elements, metal (lung), wood (liver), water (kidney), fire (heart), and earth (spleen and stomach) coordinate by subjugation or restriction to maintain a healthy, physiological state. This is the first time that a powerful genomic tool was applied to probe the ancient theory of Chinese medicine.
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Affiliation(s)
- G Steve Huang
- Institute of Nanotechnology, National Chiao Tung University, Hsinchu, Taiwan.
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Dehbi M, Baturcam E, Eldali A, Ahmed M, Kwaasi A, Chishti MA, Bouchama A. Hsp-72, a candidate prognostic indicator of heatstroke. Cell Stress Chaperones 2010; 15:593-603. [PMID: 20174993 PMCID: PMC3006628 DOI: 10.1007/s12192-010-0172-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2009] [Revised: 01/17/2010] [Accepted: 01/21/2010] [Indexed: 12/28/2022] Open
Abstract
Exposure of rats to environmental heat enhances the expression of heat shock protein-72 (Hsp-72) in most of their organs proportionally to heat stress severity. Pre-induction or over-expression of Hsp-72 prevents organ damage and lethality, suggesting that heat shock proteins (Hsps) may have a pathogenic role in this condition. We investigated the expression profile of Hsps in baboons subjected to environmental heat stress until the core temperature attained 42.5 degrees C (moderate heatstroke) or occurrence of hypotension associated with core temperature > or = 43.5 degrees C (severe heatstroke). Western blot analysis demonstrated a differential induction of Hsp-72 among organs of heat-stressed animals with the highest induction in the liver and the lowest in lung. Hsp-60 and Hsc-70 expression was similar between control and heat-stressed animals. ELISA studies indicated a marked release of Hsp-72 into the circulation of baboons with severe heatstroke with a peak at 24 h post-heatstroke onset and remained sustained up to 72 h. Hsp-72 release was not associated with core temperature or systolic blood pressure, but correlated with markers of liver, myocardium, and skeletal muscle tissue necrosis. Non-survivors displayed significantly higher Hsp-72 levels than survivors. No Hsp-60 was detected in the circulation. These findings add further evidence that increased expression of Hsp-72 may be an important component of the host response to severe heatstroke. They also suggest that extracellular Hsp-72 is a marker of multiple organs tissue damage. Whether extracellular Hsp-72 plays a role in the host immune response to heat stress merits further studies.
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Affiliation(s)
- Mohammed Dehbi
- Department of Comparative Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh 11211, Saudi Arabia.
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Guisasola MC, Calvo F, Marcos P, Simón I, Villanueva FJ, Andrés E, Suárez A, García-Barreno P. Peripheral leukocyte response to oncological radiotherapy: Expression of heat shock proteins. Int J Radiat Biol 2009; 82:171-9. [PMID: 16638714 DOI: 10.1080/09553000600643516] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
PURPOSE To study Heat Shock Proteins (HSP) expression in patients subjected to radiotherapy and their potential use as biomarkers for radiation tolerance. An evaluation is also made of whether irradiated volume is critical to the outcome of normal tissue injury using polymorphonuclear neutrophils as biosensors, and whether HSP antibodies (Ab) may be involved in post-radiotherapy disease. MATERIAL AND METHODS Twelve patients receiving the same total dose of radiotherapy, but in three different volumes, and four healthy volunteers used as controls were analysed. hsp27 and 70i mRNA were determined by Reverse Transcription-Polymerase Chain Reaction (RT-PCR) and Southern-blot, HSP by flow cytometry, and HSP-Ab by Enzyme-linked Immnoadsorbent Assay (ELISA). The clinical protocol included radiation related toxicity based on clinical and analytical scales. RESULTS Radiotherapy caused hsp downregulation, maximum in patients with the largest irradiated volumes, and a decrease in intracellular HSP content. Patients with greatest intraleukocyte HSP levels before treatment suffered more severe radiation morbidity. Patients with endocrine neoplasms presented the highest HSP-Ab titers. CONCLUSIONS Radiotherapy downregulates hsp27 and 70i, which would enhance radiosensitivity. HSP content prior to treatment is suggested as a prognostic biomarker for radiation tolerance, with circulating leukocytes as biosensors. HSP-Ab may be biomarkers of tumor disease, but do not seem to be involved in the morbidity of acute post-radiotherapy disease, which is closely related to the volumes irradiated.
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Affiliation(s)
- M C Guisasola
- Cellular Biology Laboratory, Experimental Medical and Surgery Unit, and Oncology Department Hospital General Universitario Gregorio Marañón, Madrid, Spain.
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Millar NL, Wei AQ, Molloy TJ, Bonar F, Murrell GA. Heat shock protein and apoptosis in supraspinatus tendinopathy. Clin Orthop Relat Res 2008; 466:1569-76. [PMID: 18459030 DOI: 10.1007/s11999-008-0265-9] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2007] [Accepted: 04/08/2008] [Indexed: 01/31/2023]
Abstract
Heat shock proteins (HSPs) are often upregulated following oxidative and other forms of stress. Based on reports of excessive apoptosis in torn supraspinatus tendon and mechanically loaded tendon cells, we hypothesized heat shock proteins may be present in rodent and human models of tendinopathy due to their central role in caspase dependent apoptotic cell signaling. We used a running rat supraspinatus tendinopathy overuse model with custom microarrays to investigate the process at a genetic level. Additionally torn supraspinatus tendon and matched intact subscapularis tendon samples were collected from patients undergoing arthroscopic shoulder surgery. Control samples of subscapularis tendon were collected from 10 patients undergoing arthroscopic stabilization surgery and evaluated using semiquantative RT-PCR and immunohistochemistry. We identified substantial upregulation of heat shock proteins and apoptotic genes in the rodent model. We further confirmed increased levels of heat shock protein and apoptotic regulatory genes in human supraspinatus and subscapularis tendon. This finding suggests heat shock proteins play a role in the cascade of stress-activated programmed cell death and degeneration in tendinopathy and may provide a novel target in preventing tendinopathies.
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Horowitz M, Robinson SDM. Heat shock proteins and the heat shock response during hyperthermia and its modulation by altered physiological conditions. Prog Brain Res 2007; 162:433-46. [PMID: 17645931 DOI: 10.1016/s0079-6123(06)62021-9] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
The fundamental functions of heat shock proteins (HSPs) are molecular chaperoning and cellular repair. There is little literature on the association between the numerous functions of HSPs and systemic integrative responses, particularly those controlled by the central nervous system. This chapter focuses on the role played by members of the HSP70 superfamily, universally recognized as cytoprotectants during heat stress, within the physiological context of hyperthermia and with its superimposition on situations of chronic stress. In the nucleus tractus solitarius, HSP70 levels enhance the sensitivity of sympathetic and parasympathetic arms of the autonomic nervous system to attenuate heat stroke-induced cerebral ischemia and hypotension. Chronic stressors that alter the heat shock response may affect the physiological profile during hyperthermic conditions. Upon aging, significantly lower HSP70 production is noted in the ventral paraventricular and lateral magnocellular nuclei. Likewise, results from cultured cells suggest that the age-related decline in HSP70 expression is constitutive and is due to decreased binding of the heat shock factor 1 (HSF-1) to the heat shock element (HSE) and diminished HSP70 transcription. These changes may be associated with decreased thermotolerance upon aging, although HSP70 production in response to other stressors is not affected. Heat acclimation (AC), in contrast, increases tissue reserves of HSP70 and accelerates the heat shock response. AC protects epithelial integrity, vascular reactivity and interactions with cellular signaling networks, enhancing protection and delaying thermal injury. The link between HSP70 and the immune system is discussed with respect to exercise. Exercise enhances the immune response via production of HSP72 in central and peripheral structures. At least in part, the effects of HSP72 in the brain are mediated via eHSP72-circulating HSPs providing a "danger signal" to activate the immune response. In summary, HSPs are primarily cytoprotective components, the physiological situations described in this chapter infer their pivotal role in central control of integrative systems.
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Affiliation(s)
- Michal Horowitz
- Laboratory of Environmental Physiology, Faculty of Dental Medicine, The Hebrew University, POB 12272, Jerusalem 91120, Israel.
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Fineschi V, D'Errico S, Neri M, Panarese F, Ricci PA, Turillazzi E. Heat stroke in an incubator: an immunohistochemical study in a fatal case. Int J Legal Med 2004; 119:94-7. [PMID: 15744545 DOI: 10.1007/s00414-004-0498-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2004] [Accepted: 09/28/2004] [Indexed: 10/26/2022]
Abstract
The authors report the unique case of an 8-day-old infant succumbing to heat stroke caused by an abnormal increase of the environmental temperature in an incubator. At postmortem examination, second-degree burns were detected, and macroscopic and microscopic findings were typical for a heat-related death. An immunohistochemical study was performed. At the same time, a detailed examination of the incubator was conducted, revealing a malfunctioning of the temperature and relative humidity control system. We suggest that the diagnosis of heat stroke has to be confirmed on the basis of a detailed postmortem examination and a complete immunohistochemical investigation of heat shock proteins, molecules produced acutely in response to heat stress.
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Affiliation(s)
- Vittorio Fineschi
- Department of Forensic Pathology, University of Foggia Ospedali Riuniti, Via L. Pinto no. 1, 71100 Foggia, Italy.
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