Journal of Diabetes & Metabolic Disorders Category: Clinical Type: Editorial
Heat Therapy with Relevance to the Reversal of NAFLD and Diabetes
- Ian J Martins1*
- 1 Centre Of Excellence In Alzheimers Disease Research And Care, School Of Medical Sciences, School Of Psychiatry And Clinical Neurosciences, McCusker Alzheimer's Research Foundation, The University Of Western Australia, Holywood Medical Centre, Edith Cowan University, Joondalup, Australia
*Corresponding Author:Ian J Martins
Centre Of Excellence In Alzheimers Disease Research And Care, School Of Medical Sciences, School Of Psychiatry And Clinical Neurosciences, McCusker Alzheimer's Research Foundation, The University Of Western Australia, Holywood Medical Centre, Edith Cowan University, Joondalup, Australia
Received Date: Feb 08, 2017 Accepted Date: Feb 09, 2017 Published Date: Feb 23, 2017
Sirtuin 1 (Sirt 1), Heat Shock Proteins (HSP), Heat Shock Factor 1 (HSF1), Non Alcoholic Fatty Liver Disease (NAFLD), Bacterial Lipopolysaccharides (LPS), AMP-Activated Protein Kinase (AMPK)
The use of heat therapy in individuals with obesity and type 2 diabetes mellitus has become an important treatment for metabolic and cardiovascular diseases [1-5] for individuals in the developing and developed world. The cellular response to heat therapy includes the transcriptional up-regulation of genes encoding Heat Shock Proteins (HSPs) as part of the cell's internal repair mechanism [6,7]. These stress-proteins respond to heat, cold and oxygen deprivation by activating several cascade pathways that may be relevant to survival and apoptosis of mitochondria in cells . Heat therapy has been used with the plasma analysis of adiponectin, AMP-Activated Protein Kinase (AMPK), Heat Shock Factor 1 (HSF1), Heat Shock Protein (HSP) 27, HSP70, and HSP90 important as markers for heat stress therapy . Diabetes that previously has involved pancreatic disease in Type 2 diabetic individuals  now involves global Non Alcoholic Fatty Liver Disease (NAFLD) with heat therapy critical to improvement in hepatic insulin resistance  in obese/diabetic individuals. Heat therapy in individuals with NAFLD has now become important to increase hepatic fat metabolism and to improve insulin resistance in these individuals . Plasma bacterial Lipopolysaccharides (LPS) have risen markedly  in individuals in the developing world and the relationship between LPS and the repression of the heat shock gene Sirtuin 1 (Sirt 1) has been reported with relevance to NAFLD and diabetes [14-17]. LPS induces NAFLD and the relevance of dietary fat such as virgin coconut oil/palm oil consumption  should be carefully controlled to prevent insulin resistance and accelerated NAFLD. Individuals in the developing world are more susceptible to NAFLD and diabetes and the heat shock response by LPS is involved in the transformation of liver cells (NAFLD)  and associated with defective heat stress response that involves the Sirt 1/HSF1 interaction . Sirt 1 (NAD+ dependent class III histone deacetylase) is important to the deacetylation of HSF1 [19-23] and hepatic HSP metabolism [12,15] with relevance to in heat therapy in NAFLD and diabetes (Figure 1). Sirt 1 is involved with the circadian regulation of HSP 60, 70 and 90 with temperature regulation closely associated with Sirt 1 activity/HSP levels in cells [24-26] and may be relevant to the heat shock response in Type 2 diabetes. The metabolism of HSP is relevant to insulin resistance with HSP linked to amyloid beta metabolism  with relevance to insulin receptor interactions [27-37]. Sirt 1 and transcriptional dysregulation  has become of major concern with p53 regulation of HSF1 and mircroRNA-34a (mir-34a) relevant to the heat shock response (Figure 1) [38,39]. Sirt 1 is involved in the deacetylation of the transcription factor p53  with heat therapy linked to the induction of p53 related cell apoptosis [40-41]. Sirt 1 is involved with various markers of heat stress such as adiponectin transcription , AMPK connections , HSF1 regulation and HSP metabolism. AMPK-Sirt 1 (Figure 1)  is involved with Nitric Oxide (NO)/HSP crosstalk [44-46] with relevance to natural killer cell activity and the induction of NAFLD [47,48]. LPS has been shown to induce HSPs in various cells [49-51] and LPS in various species has been shown to induce thermo regulatory dysfunction [52,53]. Heat therapy and the involvement of Sirt 1 has become of importance with relevance to the treatment of heart disease [4,5] and NAFLD in diabetes. LPS is involved in the induction of cardiovascular disease  and its effects on the repression of Sirt 1 have raised concern on the use of heat treatment in diabetic individuals in the developing world. LPS is involved in the interference in Sirt 1’s role in the deacetylationof p53/mir-34a/HSF1 (Figure 1)  with the effects of heat therapy relevant to the immune response [56,57] and accelerated apoptosis in various cells and tissues. The role of LPS in thermo dysregulation involves Sirt 1 dysregulation  with temperature regulation by Sirt 1 now relevant to the regulation of p53 with heat shock protein associated with p53 accumulation .
Figure 1: Heat therapy has become important to the treatment of global NAFLD and cardiovascular disease in individuals with diabetes. Heat therapy now involves the heat shock gene Sirt 1 that is involved in the metabolism of Heat Shock Proteins (HSPs), deacetylation of p53 (heat shock factor 1 response) and nitric oxide/HSP homeostasis involved with the immune response and programmed cell death.
A 31-year-old primiparous female, at 35 weeks gestational age, presented to obstetrics emergency department complaining of absence of fetal movements for the last 12h before admission.
She had been regularly attending the antenatal consultations with no risk factors identified. Her prenatal laboratory results were unremarkable except for GBS-unknown. She had three normal obstetric ultrasounds (one of each trimester); her blood type was A+. Pregnancy was uneventful with no history of vomiting, blood loss or abdominal trauma.
On admission at the delivery unit, the obstetric ultrasound revealed no fetal movements with the presence of heart beat. The Cardiotocograph (CTG) was not tranquilizing as it showed prolonged deceleration and reduced variability with pathological trace that suggested a sinusoidal pattern and, as a result, an emergent caesarean section was performed (Figure 1).A baby boy was born weighing 2610g. The newborn had a circular of the umbilical cord around the arms. On examination at birth, he was markedly pale and hypotonic with respiratory depression. Orothracheal intubation and connection to mechanical ventilation was immediately performed. He responded well and was extubated 4 minutes after and transferred to the neonatal unit with oxygen directly to his face, for further evaluation and management. The Apgar score was 5/8/8.
Initial blood gas from the umbilical cord revealed pH 7.27, pCO2 50.6 mm Hg, Hemoglobin 4.4, g/dL, bicarbonate 21.9 mmol/L and lactates 5.8 mmol/L. Laboratory exams revealed 4.0 g/dL of hemoglobin, white blood cell count of 47.700/10 EXP 9/L with 22.7% neutrophils (10.800), platelets count 183.000/10 EXP 9/L, DHL 680 UI/L, CK 190 UI/L. Further laboratory evaluation was unchanged (bilirubin, cardiac enzymes and C reactive protein). Coombs test and viral serology for Parvovirus B19 and Cytomegalovirus were negative. Hemoglobin electrophoresis showed a presence of 5% fetal hemoglobin on mother’s blood. Kleihauer-Betke test was performed, since it is a more specific exam and quantifies the amount of blood transfusion. It revealed 17.8% of fetal red cells in maternal circulation, which corresponds to a volume of approximately 890 mL of fetal blood based on the formula: (% of fetal cells determined by Kleihauer-Betke test/100) X 5000 mL = volume of FMH (in mL)  and also according to the fact that 1% of fetal erythrocytes in maternal circulation is equivalent to a fetal hemorrhage of 50mL .
Two red blood cell transfusions were made and at 12 hours of life his hemoglobin was 13.3 g/dL, white blood cells count of 10.100/uL (Neutrophils: 64.4%), platelets count of 219.000/uL and erythroblasts 87/100 leucocytes.
The outcome was favorable with hemodynamic and respiratory stability and absence of abnormal movements. Cranial ultrasonography showed, in the 3rd day of life, frontal bilateral parenchymal hyperechogenicity, was not present on 11th day of life as the ultrasounds were made by two different physicians. The authors admit that the hyperechogenicity have not been valorized by the second physician.
Follow-up at 2 and 4 months revealed a normal physical and neurological examination.
The understanding of cellular gene response to heat therapy has accelerated with the global epidemic in obesity and diabetes that is related to chronic diseases such as cardiovascular disease and NAFLD. Heat therapy that involves Sirt 1 should be carefully assessed with relevance to Sirt 1’s transcriptional regulation of HSF1/HSP interactions and with excessive heat therapy may accelerate Sirt 1 mediated HSP induced cell apoptosis. Heat therapy to maintain glucose homeostasis in diabetic individuals in the developed world may differ from developing word diabetic individuals that lack the heat shock gene Sirt 1. Heat therapy intervals that involve sauna versus hot tub temperatures should be carefully reassessed for safety with relevance to time limits for heat therapy that may last for weeks/months. Healthy diets that do not contain saturated fats with heat therapy may prevent global NAFLD but heat therapy in these individuals may be more successful with the consumption of Sirt 1 activators versus Sirt 1 inhibitors with relevance to the reversal of global NAFLD and diabetes.
This work was supported by grants from Edith Cowan University, the McCusker Alzheimer’s Research Foundation, and the National Health and Medical Research Council.
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Citation: Martins IJ (2017) Heat Therapy with Relevance to the Reversal of NAFLD and Diabetes. J Diabetes Metab Disord 4: 018.
Copyright: © 2017 Ian J Martins, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.