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Moti M, Amini L, Haghani H, Nateghi MR. The Effects of Thiamine Supplementation on General Health and Infertility Treatment Outcomes in Women with Polycystic Ovary Syndrome: A Triple-Blinded Randomized Placebo-Controlled Clinical Trial. INTERNATIONAL JOURNAL OF FERTILITY & STERILITY 2024; 18:128-134. [PMID: 38368515 PMCID: PMC10875311 DOI: 10.22074/ijfs.2023.1972708.1398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 07/25/2023] [Accepted: 07/25/2023] [Indexed: 02/19/2024]
Abstract
BACKGROUND The aim of this study was to evaluate the effects of thiamine (vitamin B1) on general health and infertility treatment outcomes in women with polycystic ovary syndrome (PCOS). MATERIALS AND METHODS The study is a triple-blinded, randomized, placebo-controlled clinical trial performed on 64 infertile women with PCOS referred to Sarem Hospital in Tehran, Iran. The primary outcomes of the study were general health and infertility treatment outcomes. Eligible women were randomly assigned to the vitamin B1 group (n=32, vitamin B1 tablet at a dose of 300 mg/day for 4 weeks) or the placebo group (n=32, placebo tablet daily for 4 weeks). A general health questionnaire was completed before and after the intervention by both groups, and treatment success was evaluated at the end of the study. Data were analyzed using SPSS software ver.16 P<0.05 was considered statistically significant. RESULTS The mean age of participants in the vitamin B1 (VB1) group was 30.4 ± 3.27 years and in the placebo (Pl) group was 29.1 ± 2.66 years with the mean duration of marriage 12.7 ± 3.01 and 13.2 ± 2.97 years respectively. Our results showed that there were significant differences between the two groups in overall score (P<0.001) and scores for all domains of the general health questionnaire including somatic symptoms (P<0.001), anxiety and insomnia (P<0.001), social dysfunction (P=0.028), and severe depression (P<0.001) after the intervention. Four weeks consumption of vitamin B1 also resulted in higher numbers of positive pregnancy tests (P=0.006), although the number of fetuses was not significantly different between the two groups after the intervention. CONCLUSION The results of the current study support a possible favourable effect of vitamin B1 on improving general health, infertility treatment outcome, and retrieved follicle count without changing the number of fetuses in women with polycystic ovary syndrome (registration number: IRCT201510266917N3).
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Affiliation(s)
- Mahtab Moti
- School of Nursing and Midwifery, Iran University of Medical Sciences, Tehran, Iran
| | - Leila Amini
- Department of Midwifery, Reproductive Health, and Pregnancy, School of Nursing and Midwifery, Iran University of Medical Sciences, Tehran, Iran
- Nursing and Midwifery Care Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Hamid Haghani
- Department of Biostatistics, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Nateghi
- Sarem Fertility and Infertility Research Center (SAFIR) and Sarem Cell Research Center (SCRC), Sarem Women's Hospital, Iran University of Medical Science (IUMS), Tehran, Iran
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da Silva MP, Lima FW, Moura AG, Nunes JP, de Cordova CA, de Cordova FM. ERK1/2 modulation in the central nervous system of male and female thiamine-deficient mice with amprolium. Lab Anim 2024; 58:22-33. [PMID: 37684026 DOI: 10.1177/00236772231191586] [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: 09/10/2023]
Abstract
Thiamine deficiency experimental models focus on using the pyrithiamine analog in male rodents, making the thiamine deficiency effects in females and the use of other thiamine antagonists, such as amprolium, unknown. We investigated the impact of thiamine deficiency with amprolium in the cerebral cortex and thalamus of male and female mice by evaluating the modulation of ERK1/2 phosphorylation. The animals were exposed for 20 days to thiamine-deficient chow with different doses of amprolium (20, 40, 60 and 80 mg/kg) and at different treatment periods (five, 10, 15 or 20 days) at a dose of 60 mg/kg. After treatments, ERK1/2 phosphorylation was analyzed by western blot. In male mice, we observed a progressive increase in ERK1/2 phosphorylation in both the cerebral cortex and thalamus in response to the dose of amprolium. In females, ERK1/2 phosphorylation did not progressively increase in response to the amprolium dosage. However, an increase in phosphorylation at the higher doses of 60 and 80 mg/kg was observed. We observed a more intense increase in ERK1/2 phosphorylation in males' cerebral cortex and thalamus from 10 days onwards. In females, the ERK1/2 modulation profiles were similar. The results show that thiamine deficiency induction with amprolium is efficient, compatible with other recognized models that use pyrithiamine, showing changes in cell signaling in the nervous system. The study showed differences in response to thiamine deficiency with amprolium between male and female mice in relation to ERK1/2 phosphorylation and demonstrated that females respond positively to the method and can also be used as model animals.
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Affiliation(s)
- Mirian P da Silva
- Programa de Pós-Graduação em Sanidade Animal e Saúde Pública nos Trópicos, Universidade Federal do Norte do Tocantins, Araguaína, Brazil
| | - Francisco Wb Lima
- Curso de Medicina Veterinária, Universidade Federal do Norte do Tocantins, Araguaína, Brazil
| | - Adha Gs Moura
- Curso de Medicina Veterinária, Universidade Federal do Norte do Tocantins, Araguaína, Brazil
| | - Julia P Nunes
- Curso de Medicina Veterinária, Universidade Federal do Norte do Tocantins, Araguaína, Brazil
| | | | - Fabiano M de Cordova
- Programa de Pós-Graduação em Sanidade Animal e Saúde Pública nos Trópicos, Universidade Federal do Norte do Tocantins, Araguaína, Brazil
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Ghosh R, León-Ruiz M, Mondal A, Dubey S, Benito-León J. Polyneuropathy in a pregnant woman with hyperemesis gravidarum: Do not forget dry beriberi. NEUROLOGY PERSPECTIVES 2023; 3:100132. [PMID: 38124708 PMCID: PMC10732261 DOI: 10.1016/j.neurop.2023.100132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Affiliation(s)
- R. Ghosh
- Department of General Medicine, Burdwan Medical College and Hospital, Burdwan, West Bengal, India
| | - M. León-Ruiz
- Section of Clinical Neurophysiology, Department of Neurology, University Hospital “La Paz”, Madrid, Spain
| | - A.S. Mondal
- Department of Neuromedicine, Bankura Sammilani Medical College and Hospital, Bankura, West Bengal, India
| | - S. Dubey
- Department of Neuromedicine, Bangur Institute of Neurosciences, Kolkata, West Bengal, India
| | - J. Benito-León
- Department of Neurology, University Hospital “12 de Octubre”, Madrid, Spain
- Research Institute (i+12), University Hospital “12 de Octubre”, Madrid, Spain
- Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
- Department of Medicine, Complutense University, Madrid, Spain
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Cassiano LMG, Oliveira MS, Pioline J, Salim ACM, Coimbra RS. Neuroinflammation regulates the balance between hippocampal neuron death and neurogenesis in an ex vivo model of thiamine deficiency. J Neuroinflammation 2022; 19:272. [DOI: 10.1186/s12974-022-02624-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 10/17/2022] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
Thiamine (vitamin B1) is a cofactor for enzymes of central energy metabolism and its deficiency (TD) impairs oxidative phosphorylation, increases oxidative stress, and activates inflammatory processes that can lead to neurodegeneration. Wernicke–Korsakoff syndrome (WKS) is a consequence of chronic TD, which leads to extensive neuronal death, and is associated with neuropathological disorders, including cognitive deficits and amnesia. The hippocampus is one of the brain areas most affected by WKS. B1 replacement may not be enough to prevent the irreversible cognitive deficit associated with WKS.
Materials and methods
An organotypic hippocampal slice culture (OHC) model was developed to investigate, using immunofluorescence and confocal microscopy and transcriptome analysis, the molecular mechanisms underlying the neurodegeneration associated with TD. The effect of anti-inflammatory pharmacological intervention with resveratrol (RSV) was also assessed in B1-deprived OHCs.
Results
In OHCs cultured without B1, neuronal density decayed after 5 days and, on the 7th day, the epigenetic markings H3K4me3 and H3K9me3 were altered in mature neurons likely favoring gene transcription. Between the 7th and the 14th day, a pulse of neurogenesis was observed followed by a further massive neuron loss. Transcriptome analysis at day nine disclosed 89 differentially expressed genes in response to B1 deprivation. Genes involved in tryptophan metabolism and lysine degradation KEGG pathways, and those with Gene Ontology (GO) annotations related to the organization of the extracellular matrix, cell adhesion, and positive regulation of synaptic transmission were upregulated. Several genes of the TNF and FoxO signaling pathways and with GO terms related to inflammation were inhibited in response to B1 deprivation. Nsd1, whose product methylates histone H3 lysine 36, was upregulated and the epigenetic marking H3K36me3, associated with negative regulation of neurogenesis, was increased in neurons. Treating B1-deprived OHCs with RSV promoted an earlier neurogenesis pulse.
Conclusion
Neuroregeneration occurs in B1-deficient hippocampal tissue during a time window. This phenomenon depends on reducing neuroinflammation and, likely, on metabolic changes, allowing acetyl-CoA synthesis from amino acids to ensure energy supply via oxidative phosphorylation. Thus, neuroinflammation is implicated as a major regulator of hippocampal neurogenesis in TD opening a new search space for treating WKS.
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Zhang X, Basuli F, Abdelwahed S, Begley T, Swenson R. Radiosynthesis of 5-[ 18F]Fluoro-1,2,3-triazoles through Aqueous Iodine-[ 18F]Fluorine Exchange Reaction. Molecules 2021; 26:molecules26185522. [PMID: 34576993 PMCID: PMC8469629 DOI: 10.3390/molecules26185522] [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: 08/20/2021] [Revised: 09/03/2021] [Accepted: 09/04/2021] [Indexed: 11/16/2022] Open
Abstract
In this report, a simple and efficient process to achieve fluorine-18-labeled 1,2,3-triazole is reported. The heteroaromatic radiofluorination was successfully achieved through an iodine–fluorine-18 exchange in an aqueous medium requiring only trace amounts of base and no azeotropic drying of fluorine-18. This methodology was optimized on a model reaction and further validated on multiple 1,2,3-triazole substrates with 18–60% radiochemical conversions. Using this strategy—the radiosynthesis of a triazole-based thiamin analogue—a potential positron emission tomography (PET) probe for imaging thiamin-dependent enzymes was synthesized with 10–16% isolated radiochemical yield (RCY) in 40 min (uncorrected, n > 5).
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Affiliation(s)
- Xiang Zhang
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Rockville, MD 20892, USA; (F.B.); (R.S.)
- Correspondence:
| | - Falguni Basuli
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Rockville, MD 20892, USA; (F.B.); (R.S.)
| | - Sameh Abdelwahed
- Department of Chemistry, Prairie View A&M University, Prairie View, TX 77446, USA;
| | - Tadhg Begley
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA;
| | - Rolf Swenson
- Chemistry and Synthesis Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Rockville, MD 20892, USA; (F.B.); (R.S.)
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Gomes KC, Lima FWB, da Silva Aguiar HQ, de Araújo SS, de Cordova CAS, de Cordova FM. Thiamine deficiency and recovery: impact of recurrent episodes and beneficial effect of treatment with Trolox and dimethyl sulfoxide. Naunyn Schmiedebergs Arch Pharmacol 2021; 394:2289-2307. [PMID: 34468817 DOI: 10.1007/s00210-021-02148-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 08/26/2021] [Indexed: 10/20/2022]
Abstract
At present, thiamine deficiency (TD) is managed with administration of high doses of thiamine. Even so, severe and permanent neurological disorders can occur in recurrent episodes of TD. In this study, we used a murine model to assess the efficacy of TD recovery treatments using thiamine with or without additional administration of the antioxidant Trolox or the anti-inflammatory dimethyl sulfoxide (DMSO) after a single or recurrent episode of TD. TD was induced for 9 days with deficient chow and pyrithiamine, and the recovery period was 7 days with standard amounts of chow and thiamine, Trolox, and/or DMSO. After these periods, we evaluated behavior, histopathology, and ERK1/2 modulation in the brain. Deficient animals showed reductions in locomotor activity, motor coordination, and spatial memory. Morphologically, after a single episode of TD and recovery, deficient mice showed neuronal vacuolization in the dorsal thalamus and, after two episodes, a reduction in neuronal cell number. These effects were attenuated or reversed by the recovery treatments, mainly in the treatments with thiamine associated with Trolox or DMSO. Deficient animals showed a strong increase in ERK1/2 phosphorylation in the thalamus, hippocampus, and cerebral cortex after one deficiency episode and recovery. Interestingly, after recurrent TD and recovery, ERK1/2 phosphorylation remained high only in the deficient mice treated with thiamine and/or Trolox or thiamine with DMSO. Our data suggest that a protocol for TD treatment with thiamine in conjunction with Trolox or DMSO enhances the recovery of animals and possibly minimizes the late neurological sequelae.
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Affiliation(s)
- Ketren Carvalho Gomes
- Programa de Pós-Graduação em Sanidade Animal e Saúde Pública nos Trópicos , Universidade Federal do Tocantins, BR-153, km 112, Araguaína, TO, 77804-970, Brazil
| | | | - Helen Quézia da Silva Aguiar
- Curso de Medicina Veterinária, Universidade Federal do Tocantins, BR-153, km 112, Araguaína, TO, 77804-970, Brazil
| | - Suiane Silva de Araújo
- Curso de Medicina Veterinária, Universidade Federal do Tocantins, BR-153, km 112, Araguaína, TO, 77804-970, Brazil
| | | | - Fabiano Mendes de Cordova
- Programa de Pós-Graduação em Sanidade Animal e Saúde Pública nos Trópicos , Universidade Federal do Tocantins, BR-153, km 112, Araguaína, TO, 77804-970, Brazil.
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Rudzki L, Stone TW, Maes M, Misiak B, Samochowiec J, Szulc A. Gut microbiota-derived vitamins - underrated powers of a multipotent ally in psychiatric health and disease. Prog Neuropsychopharmacol Biol Psychiatry 2021; 107:110240. [PMID: 33428888 DOI: 10.1016/j.pnpbp.2020.110240] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 11/19/2020] [Accepted: 12/30/2020] [Indexed: 02/06/2023]
Abstract
Despite the well-established roles of B-vitamins and their deficiencies in health and disease, there is growing evidence indicating a key role of those nutrients in functions of the central nervous system and in psychopathology. Clinical data indicate the substantial role of B-vitamins in various psychiatric disorders, including major depression, bipolar disorder, schizophrenia, autism, and dementia, including Alzheimer's and Parkinson's diseases. As enzymatic cofactors, B-vitamins are involved in many physiological processes such as the metabolism of glucose, fatty acids and amino acids, metabolism of tryptophan in the kynurenine pathway, homocysteine metabolism, synthesis and metabolism of various neurotransmitters and neurohormones including serotonin, dopamine, adrenaline, acetylcholine, GABA, glutamate, D-serine, glycine, histamine and melatonin. Those vitamins are highly involved in brain energetic metabolism and respiration at the cellular level. They have a broad range of anti-inflammatory, immunomodulatory, antioxidant and neuroprotective properties. Furthermore, some of those vitamins are involved in the regulation of permeability of the intestinal and blood-brain barriers. Despite the fact that a substantial amount of the above vitamins is acquired from various dietary sources, deficiencies are not uncommon, and it is estimated that micronutrient deficiencies affect about two billion people worldwide. The majority of gut-resident microbes and the broad range of bacteria available in fermented food, express genetic machinery enabling the synthesis and metabolism of B-vitamins and, consequently, intestinal microbiota and fermented food rich in probiotic bacteria are essential sources of B-vitamins for humans. All in all, there is growing evidence that intestinal bacteria-derived vitamins play a significant role in physiology and that dysregulation of the "microbiota-vitamins frontier" is related to various disorders. In this review, we will discuss the role of vitamins in mental health and explore the perspectives and potential of how gut microbiota-derived vitamins could contribute to mental health and psychiatric treatment.
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Affiliation(s)
- Leszek Rudzki
- The Charleston Centre, 49 Neilston Road, Paisley PA2 6LY, UK.
| | | | - Michael Maes
- Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; Department of Psychiatry, Medical University of Plovdiv, Bulgaria; IMPACT Strategic Research Center, Deakin University, Geelong, Australia
| | - Błażej Misiak
- Department of Psychiatry, Wroclaw Medical University, Pasteura 10 Street, 50-367 Wroclaw, Poland
| | - Jerzy Samochowiec
- Department of Psychiatry, Pomeranian Medical University, Broniewskiego 26 Street, 71-460 Szczecin, Poland
| | - Agata Szulc
- Department of Psychiatry, Medical University of Warsaw, Poland
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Kirty K, Sarda Y, Jacob A, Venugopala D. Wernicke's encephalopathy post hyperemesis gravidarum misdiagnosed as Guillain-Barre syndrome: lessons for the frontline. BMJ Case Rep 2021; 14:14/3/e239977. [PMID: 33727293 PMCID: PMC7970206 DOI: 10.1136/bcr-2020-239977] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
We report a case of a 26-year-old pregnant woman, who presented with subacute limb weakness. This was initially suspected to be Guillain-Barre syndrome but subsequently found to be the motor neuropathy of dry beriberi (vitamin B1, thiamine deficiency) along with associated Wernicke's encephalopathy (WE). The underlying cause was revealed as hyperemesis gravidarum (HG). HG complicates up to 3% of pregnancies and if severe, without nutritional supplements, may lead to electrolyte disturbances, calorie loss and vitamin deficiency. Although the association of HG and WE was first reported in 1939, it remains an under diagnosed condition with potential for serious and permanent neurological deficits, and some mortality, in both mother and baby. Early recognition of the problem, with timely and careful fluid, electrolyte, glucose and vitamin replacement is needed to avoid complications. We highlight current best practice in the treatment of WE. An open mind to the possibility of HG complications in any pregnant woman presenting with neurological symptoms is probably the most important lesson to learn from the front line.
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Affiliation(s)
- Kaushiki Kirty
- Internal Medicine, Kasturba Medical College Mangalore, Mangalore, India
| | - Yashendu Sarda
- Internal Medicine, Kasturba Medical College Mangalore, Mangalore, India
| | - Annu Jacob
- Medicine, Kasturba Medical College Mangalore, Mangalore, India
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Kamchatnov PR, Abusueva BA, Khanmurzaeva SB, Khanmurzaeva NB. [Choosing of therapy for a patient with dorsalgia]. TERAPEVT ARKH 2020; 92:102-107. [PMID: 33346438 DOI: 10.26442/00403660.2020.09.000836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 10/13/2020] [Indexed: 11/22/2022]
Abstract
Dorsalgia is one of the most common skeletal muscle syndromes. Dorsalgia often develops in patients of older age groups with polymorbidity that requires the appointment of a large number of medications. In these conditions, the choice of effective and safe therapy is a difficult problem. Discusses management of a patient suffering dorsalgia with comorbidities, the risks of complications of therapy, possible safety treatment, in particular, through the use of combination therapy.
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Resolved External Ophthalmoplegia and Hearing Loss in Wernicke's Encephalopathy With Thiamine Replacement. J Neuroophthalmol 2020; 41:e655-e660. [PMID: 32833862 DOI: 10.1097/wno.0000000000001057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Wernicke encephalopathy (WE) is classically described by a clinical triad consisting of confusion, ataxia, and ophthalmoplegia, but recent reports emphasize a history of malnutrition along with 2 elements of the WE triad (Caine's criteria) to enhance diagnostic sensitivity. The ophthalmoplegia, vestibular, and auditory expeditious improvement with intravenous thiamine usually confirms the diagnosis; serum levels generally provide additional diagnostic certainty. METHODS Here, we discuss the case of a woman with a distant history of gastric sleeve, poor nutrition and protracted vomiting, who developed acute confusion, imbalance, near-total external ophthalmoplegia (EO), and hearing loss. The baseline thiamine level was 28 πmol/L (Normal: 70-180 πmol/L). We performed serial neurological, vestibular, and audiological examination to document over 5 days, the effect of intravenous (IV) thiamine, and again at 3 months with continued oral supplementation. We provide serial documentation with photographs and video recording of oculomotor abnormalities, audiometric testing, and a video of horizontal head impulse testing, and imaging findings. RESULTS Over the course of 5 days of IV thiamine supplementation, we demonstrate our patient's resolution of near complete EO. We assessed vestibular paresis with horizontal head impulse testing, after complete resolution of the EO. The initially positive bilateral h-HIT showed decreased gain and overt corrective saccades, it clinically resolved by day 5, but video h-HIT testing demonstrated persistent decreased horizontal vestibulo-ocular reflex (VOR) gain and covert horizontal saccades, which persisted at the 3-month examination. By contrast, the vertical VOR gain was normal without corrective saccades. Bedside audiometry completed during the acute phase demonstrated severely restricted auditory speech comprehension, which normalized 3 months later. Severe truncal ataxia improved as well. CONCLUSIONS This case is an example of how awareness of the variations in the clinical presentation of WE can be crucial in achieving an early diagnosis and obtaining better outcomes. A history of the poor nutritional status can be an important clue to aid in this early diagnosis.
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Thiamine Deficiency Causes Long-Lasting Neurobehavioral Deficits in Mice. Brain Sci 2020; 10:brainsci10080565. [PMID: 32824629 PMCID: PMC7464042 DOI: 10.3390/brainsci10080565] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 08/06/2020] [Accepted: 08/14/2020] [Indexed: 12/14/2022] Open
Abstract
Thiamine deficiency (TD) has detrimental effects on brain health and neurobehavioral development, and it is associated with many aging-related neurological disorders. To facilitate TD-related neuropsychological studies, we generated a TD mouse model by feeding a thiamine-deficient diet for 30 days, followed by re-feeding the control diet for either one week or 16 weeks as recovery treatment. We then performed neurobehavioral tests in these two cohorts: cohort of one week post TD treatment (1 wk-PTDT) and 16 weeks post TD treatment (16 wks-PTDT). The TD mice showed no significant difference from control in any tests in the 1 wk-PTDT cohort at the age of 13-14 weeks. The tests for the 16 wks-PTDT cohort at the age of 28-29 weeks, however, demonstrated anxiety and reduced locomotion in TD animals in open field and elevated plus maze. In comparison, rotor rod and water maze revealed no differences between TD and control mice. The current findings of the differential effects of the same TD treatment on locomotion and anxiety at different ages may reflect the progressive and moderate change of TD-induced neurobehavioral effects. The study suggests that, even though the immediate neurobehavioral impact of TD is modest or negligible at a young age, the impact could develop and become severe during the aging process.
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Abstract
Background: Donkey milk is used in infant nutrition for the treatment of children affected by cow’s milk protein allergy, thanks to its hypo-allergenicity, mainly due to its protein profile, which is very close to that of human milk. Furthermore, donkey milk is characterized by the presence of a fair amount of bioactive proteins, that may have a positive impact on human health. Despite the presence of numerous articles that describe the chemical composition and nutraceutical properties of donkey milk, few works have been performed to determine its vitamin profile; therefore, the purpose of this work is to give further information on the B-vitamins profile of donkey milk. Methods: B-vitamins have been determined through a reversed-phase liquid chromatography analysis. Results: The results indicated that donkey milk (DM) contains thiamine 0.661 ± 0.26 μM, riboflavin 0.168 ± 0.04 μM, nicotinic acid 18.75 ± 1.92 μM, pyridoxine 5.38 ± 3.3 5μM, and folic acid 0.83 ± 0.08 μM. Conclusions: Donkey milk contains a high quantity of nicotinic acid, known for its lipid-lowering effect, and a good amount of vitamin B6 and folic acid, the latter very important for children’s growth. To notice, vitamin B6 has been determined for the first time in donkey milk.
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Glass OM, Hermida AP, Hershenberg R, Schwartz AC. Considerations and Current Trends in the Management of the Geriatric Patient on a Consultation-Liaison Service. Curr Psychiatry Rep 2020; 22:21. [PMID: 32285305 DOI: 10.1007/s11920-020-01147-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW To provide consultation-liaison psychiatrists with an updated resource that can assist in the treatment and management of geriatric patients. RECENT FINDINGS The current available literature has not shown any differences in efficacy between haloperidol and second-generation antipsychotics in patients with delirium. When considering relative advantages of forms of antipsychotic administration, there is no support for a superior safety profile of oral compared to intramuscular or intravenous administration. A recent meta-analysis of four randomized controlled trials concluded that when melatonin was administered to older age patients on medical wards, it significantly prevented the incidence of delirium when compared with the control group. While suvorexant administered nightly to elderly patients in acute care settings may lower the incidence of delirium, larger studies are needed to confirm this finding. Despite the black box warning of increased mortality risk in older patients with dementia, antipsychotics may be used with caution by the consultation-liaison (CL) psychiatrist to treat the neuropsychologic symptoms of dementia including hallucinations and psychosis in the hospital setting. While antidepressant studies have focused primarily on citalopram and escitalopram in the treatment of agitation in the setting of dementia, these two medications have not been adequately compared directly to other SSRIs for this condition. It is therefore not clear whether citalopram and escitalopram are more efficacious in treating agitation in the setting of dementia when compared to other SSRIs. While the evidence supporting trazodone's use is limited, it is generally well tolerated and is an option as a PRN for irritability and agitation in patients with Alzheimer's and mixed dementia. While there is some evidence to support the use of acetylcholinesterase inhibitors for treating cognitive impairments and hallucinations in Lewy body dementia, the usefulness of these agents in other forms of dementia is not well studied, and those studies did not show any benefit in the management of acute agitation. It is important to note that memantine can cause or exacerbate agitation and may be the cause of behavioral dysregulation. There is no evidence to support the routine use of benzodiazepines for behavioral improvement in patients with dementia. Escitalopram and citalopram do have a unique pharmacokinetic properties in the sense that they have been found to have 50-56% plasma protein binding, compared to sertraline, fluoxetine, and paroxetine (95% or more). Pooled analyses suggest that antidepressants are more effective than placebo in reducing the symptoms of post-stroke depression. SSRIs are considered first-line antidepressants in stroke patients, who are often elderly with underlying cardiovascular problems. Although treatment with SSRIs is recommended for post-stroke depression, there are no studies providing conclusive data on the superiority of a specific drug. Older age is associated with a better outcome from ECT, with remission rates of approximately 73% to 90% in patients over 65 years. ECT is the treatment of choice for patients with psychotic depression, and elderly patients with psychotic depression have been shown to have a higher remission rate and faster time to response than depressed patients without psychotic symptoms. With the average life expectancy increase, it is projected that 19 million people will reach the age of 85 or higher, an increase from 5.5 million in 2010. With an increasing older population, psychiatric consultation in the management of geriatric patients is becoming more necessary. Psychiatrists must be aware of the unique considerations in elderly patients. In this article, we provide evidence-based guidance to the CL psychiatrist on major issues relating to the older age patient, highlighting recent trends in treatment. First, we provide background on the evaluation of the medically hospitalized geriatric patient. As rates of medical and psychiatric illnesses increase with advancing age, elderly patients are more likely to be taking a higher number of medications as compared to younger patients, and physicians must pay special attention to polypharmacy, including side effects and drug interactions in this group. Next, we focus on the diagnosis, management, and unique needs of the geriatric patient presenting with common clinical syndromes of delirium, dementia, and depression. Delirium and dementia are among the most common causes of cognitive impairment in clinical settings yet are often either unrecognized or misdiagnosed as they may have similar signs and symptoms. In addition, depression is prevalent in older adults, especially in those with comorbid medical illness. Depression can be fatal as the rates of suicide are higher in later life than in any other age group. Consultation can improve the management of elderly patients and prevent unnecessary nursing home placement.
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Affiliation(s)
| | | | - Rachel Hershenberg
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
- Treatment Resistant Depression Program, Emory University, Atlanta, GA, USA
| | - Ann C Schwartz
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA.
- Psychiatry Consultation-Liaison Service, Grady Memorial Hospital, 80 Jesse Hill Jr. Dr., Atlanta, GA, USA.
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Medeiros RDCN, Moraes JO, Rodrigues SDC, Pereira LM, Aguiar HQDS, de Cordova CAS, Yim Júnior A, de Cordova FM. Thiamine Deficiency Modulates p38 MAPK and Heme Oxygenase-1 in Mouse Brain: Association with Early Tissue and Behavioral Changes. Neurochem Res 2020; 45:940-955. [PMID: 31989470 DOI: 10.1007/s11064-020-02975-7] [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: 10/30/2019] [Revised: 01/11/2020] [Accepted: 01/22/2020] [Indexed: 12/18/2022]
Abstract
Thiamine deficiency (TD) produces severe neurodegenerative lesions. Studies have suggested that primary neurodegenerative events are associated with both oxidative stress and inflammation. Very little is known about the downstream effects on intracellular signaling pathways involved in neuronal death. The primary aim of this work was to evaluate the modulation of p38MAPK and the expression of heme oxygenase 1 (HO-1) in the central nervous system (CNS). Behavioral, metabolic, and morphological parameters were assessed. Mice were separated into six groups: control (Cont), TD with pyrithiamine (Ptd), TD with pyrithiamine and Trolox (Ptd + Tr), TD with pyrithiamine and dimethyl sulfoxide (Ptd + Dmso), Trolox (Tr) and DMSO (Dmso) control groups and treated for 9 days. Control groups received standard feed (AIN-93M), while TD groups received thiamine deficient feed (AIN-93DT). All the groups were subjected to behavioral tests, and CNS samples were collected for cell viability, histopathology and western blot analyses. The Ptd group showed a reduction in weight gain and feed intake, as well as a reduction in locomotor, grooming, and motor coordination activities. Also, Ptd group showed a robust increase in p38MAPK phosphorylation and mild HO-1 expression in the cerebral cortex and thalamus. The Ptd group showed a decreased cell viability, hemorrhage, spongiosis, and astrocytic swelling in the thalamus. Groups treated with Trolox and DMSO displayed diminished p38MAPK phosphorylation in both the structures, as well as attenuated thalamic lesions and behavioral activities. These data suggest that p38MAPK and HO-1 are involved in the TD-induced neurodegeneration in vivo, possibly modulated by oxidative stress and neuroinflammation.
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Affiliation(s)
- Rita de Cássia Noronha Medeiros
- Programa de Pós-Graduação em Sanidade Animal e Saúde Pública nos Trópicos, Universidade Federal do Tocantins, BR-153, km 112, Araguaína, TO, 77804-970, Brazil
| | - Juliana Oliveira Moraes
- Programa de Pós-Graduação em Sanidade Animal e Saúde Pública nos Trópicos, Universidade Federal do Tocantins, BR-153, km 112, Araguaína, TO, 77804-970, Brazil
| | | | - Leidiano Martins Pereira
- Curso de Medicina Veterinária, Universidade Federal do Tocantins, BR-153, km 112, Araguaína, TO, 77804-970, Brazil
| | - Helen Quézia da Silva Aguiar
- Curso de Medicina Veterinária, Universidade Federal do Tocantins, BR-153, km 112, Araguaína, TO, 77804-970, Brazil
| | | | - Alberto Yim Júnior
- Curso de Medicina Veterinária, Universidade Federal do Tocantins, BR-153, km 112, Araguaína, TO, 77804-970, Brazil
| | - Fabiano Mendes de Cordova
- Programa de Pós-Graduação em Sanidade Animal e Saúde Pública nos Trópicos, Universidade Federal do Tocantins, BR-153, km 112, Araguaína, TO, 77804-970, Brazil.
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15
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Nunes PT, Kipp BT, Reitz NL, Savage LM. Aging with alcohol-related brain damage: Critical brain circuits associated with cognitive dysfunction. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2019; 148:101-168. [PMID: 31733663 PMCID: PMC7372724 DOI: 10.1016/bs.irn.2019.09.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Alcoholism is associated with brain damage and impaired cognitive functioning. The relative contributions of different etiological factors, such as alcohol, thiamine deficiency and age vulnerability, to the development of alcohol-related neuropathology and cognitive impairment are still poorly understood. One reason for this quandary is that both alcohol toxicity and thiamine deficiency produce brain damage and cognitive problems that can be modulated by age at exposure, aging following alcohol toxicity or thiamine deficiency, and aging during chronic alcohol exposure. Pre-clinical models of alcohol-related brain damage (ARBD) have elucidated some of the contributions of ethanol toxicity and thiamine deficiency to neuroinflammation, neuronal loss and functional deficits. However, the critical variable of age at the time of exposure or long-term aging with ARBD has been relatively ignored. Acute thiamine deficiency created a massive increase in neuroimmune genes and proteins within the thalamus and significant increases within the hippocampus and frontal cortex. Chronic ethanol treatment throughout adulthood produced very minor fluctuations in neuroimmune genes, regardless of brain region. Intermittent "binge-type" ethanol during the adolescent period established an intermediate neuroinflammatory response in the hippocampus and frontal cortex, that can persist into adulthood. Chronic excessive drinking throughout adulthood, adolescent intermittent ethanol exposure, and thiamine deficiency all led to a loss of the cholinergic neuronal phenotype within the basal forebrain, reduced hippocampal neurogenesis, and alterations in the frontal cortex. Only thiamine deficiency results in gross pathological lesions of the thalamus. The behavioral impairment following these types of treatments is hierarchical: Thiamine deficiency produces the greatest impairment of hippocampal- and prefrontal-dependent behaviors, chronic ethanol drinking ensues mild impairments on both types of tasks and adolescent intermittent ethanol exposure leads to impairments on frontocortical tasks, with sparing on most hippocampal-dependent tasks. However, our preliminary data suggest that as rodents age following adolescent intermittent ethanol exposure, hippocampal functional deficits began to emerge. A necessary requirement for the advancement of understanding the neural consequences of alcoholism is a more comprehensive assessment and understanding of how excessive alcohol drinking at different development periods (adolescence, early adulthood, middle-aged and aged) influences the trajectory of the aging process, including pathological aging and disease.
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Affiliation(s)
- Polliana Toledo Nunes
- Developmental Exposure Alcohol Research Center, Behavioral Neuroscience Program, Department of Psychology, Binghamton University, State University of New York, Binghamton, NY, United States
| | - Brian T Kipp
- Developmental Exposure Alcohol Research Center, Behavioral Neuroscience Program, Department of Psychology, Binghamton University, State University of New York, Binghamton, NY, United States
| | - Nicole L Reitz
- Developmental Exposure Alcohol Research Center, Behavioral Neuroscience Program, Department of Psychology, Binghamton University, State University of New York, Binghamton, NY, United States
| | - Lisa M Savage
- Developmental Exposure Alcohol Research Center, Behavioral Neuroscience Program, Department of Psychology, Binghamton University, State University of New York, Binghamton, NY, United States.
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16
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Stolakis V, Liapi C, Al-Humadi H, Kalafatakis K, Gkanti V, Bimpis A, Skandali N, Tsela S, Theocharis S, Zarros A, Tsakiris S. Effects of gestational thiamine-deprivation and/or exposure to ethanol on crucial offspring rat brain enzyme activities. J Matern Fetal Neonatal Med 2019; 34:2458-2466. [PMID: 31514558 DOI: 10.1080/14767058.2019.1667973] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
OBJECTIVE The fetal alcohol spectrum disorder (FASD) is a group of clinical conditions associated with the in utero exposure to ethanol (EtOH). We have recently examined the effects of a moderate maternal exposure to EtOH on crucial brain enzyme activities in offspring rats, and discussed the translational challenges arising when attempting to simulate any of the clinical conditions associated with FASD. MATERIALS AND METHODS In this current study, we: (i) address the need for a more consistent and reliable in vivo experimental platform that could simulate milder cases of FASD complicated by simultaneous thiamine-deprivation during gestation and (ii) explore the effects of such a moderate maternal exposure pattern to EtOH and a thiamine-deficient diet (TDD) on crucial enzyme activities in the offspring rat brains. RESULTS We demonstrate a significant decrease in the newborn and 21-day-old offspring body and brain weight due to maternal dietary thiamine-deprivation, as well as evidence of crucial brain enzyme activity alterations that in some cases are present in the offspring rat brains long after birth (and the end of the maternal exposure to both EtOH and TDD). CONCLUSIONS Our findings provide a preliminary characterization of important neurochemical effects due to maternal exposure to EtOH and TDD during gestation that might affect the offspring rat neurodevelopment, and that characterization should be further explored in a brain region-specific manner level as well as through the parallel examination of changes in the offspring rat brain lipid composition.
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Affiliation(s)
- Vasileios Stolakis
- Laboratory of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece.,Laboratory of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Charis Liapi
- Laboratory of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Hussam Al-Humadi
- Laboratory of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece.,College of Pharmacy, University of Babylon, Hillah, Iraq
| | - Konstantinos Kalafatakis
- Laboratory of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece.,Henry Wellcome Laboratories for Integrative Neuroscience and Endocrinology, School of Clinical Sciences, Faculty of Medicine and Dentistry, University of Bristol, Bristol, UK.,Department of Informatics & Telecommunications, School of Informatics & Telecommunications, University of Ioannina, Ioannina, Greece
| | - Vasiliki Gkanti
- Laboratory of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Alexios Bimpis
- Laboratory of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolina Skandali
- Laboratory of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece.,Laboratory of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Smaragda Tsela
- Laboratory of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece.,Laboratory of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Stamatios Theocharis
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Apostolos Zarros
- Laboratory of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece.,College of Pharmacy, University of Babylon, Hillah, Iraq.,Institute of Cancer Sciences, University of Glasgow, Glasgow, Scotland, UK
| | - Stylianos Tsakiris
- Laboratory of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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17
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Calderón-Ospina CA, Nava-Mesa MO. B Vitamins in the nervous system: Current knowledge of the biochemical modes of action and synergies of thiamine, pyridoxine, and cobalamin. CNS Neurosci Ther 2019; 26:5-13. [PMID: 31490017 PMCID: PMC6930825 DOI: 10.1111/cns.13207] [Citation(s) in RCA: 172] [Impact Index Per Article: 34.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 07/22/2019] [Accepted: 07/26/2019] [Indexed: 01/03/2023] Open
Abstract
Background Neurotropic B vitamins play crucial roles as coenzymes and beyond in the nervous system. Particularly vitamin B1 (thiamine), B6 (pyridoxine), and B12 (cobalamin) contribute essentially to the maintenance of a healthy nervous system. Their importance is highlighted by many neurological diseases related to deficiencies in one or more of these vitamins, but they can improve certain neurological conditions even without a (proven) deficiency. Aim This review focuses on the most important biochemical mechanisms, how they are linked with neurological functions and what deficits arise from malfunctioning of these pathways. Discussion We discussed the main role of B Vitamins on several functions in the peripheral and central nervous system (PNS and CNS) including cellular energetic processes, antioxidative and neuroprotective effects, and both myelin and neurotransmitter synthesis. We also provide an overview of possible biochemical synergies between thiamine, pyridoxine, and cobalamin and discuss by which major roles each of them may contribute to the synergy and how these functions are inter‐related and complement each other. Conclusion Taking into account the current knowledge on the neurotropic vitamins B1, B6, and B12, we conclude that a biochemical synergy becomes apparent in many different pathways in the nervous system, particularly in the PNS as exemplified by their combined use in the treatment of peripheral neuropathy.
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Affiliation(s)
- Carlos Alberto Calderón-Ospina
- Center for Research in Genetics and Genomics (CIGGUR), GENIUROS Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Mauricio Orlando Nava-Mesa
- Neuroscience Research Group (NEUROS), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
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18
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Mani S, Rao SN, Kranthi Kumar M. Genetic heterogeneity of mitochondrial genome in thiamine deficient Leigh syndrome patients. J Neurol Sci 2019; 404:91-100. [DOI: 10.1016/j.jns.2019.07.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 07/03/2019] [Accepted: 07/08/2019] [Indexed: 10/26/2022]
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19
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Kattah JC, Tehrani AS, du Lac S, Newman-Toker DE, Zee DS. Conversion of upbeat to downbeat nystagmus in Wernicke encephalopathy. Neurology 2019; 91:790-796. [PMID: 30348852 DOI: 10.1212/wnl.0000000000006385] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 06/27/2018] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To explain (1) why an initial upbeat nystagmus (UBN) converts to a permanent downbeat nystagmus (DBN) in Wernicke encephalopathy (WE) and (2) why convergence and certain vestibular provocative maneuvers may transiently switch UBN to DBN. METHODS Following a literature review and study of our 2 patients, we develop hypotheses for the unusual patterns of vertical nystagmus in WE. RESULTS Our overarching hypothesis is that there is a selective vulnerability and a selective recovery from thiamine deficiency of neurons within brainstem gaze-holding networks. Furthermore, since the circuits affected in WE are commonly paraventricular, especially medially, just under the floor of the fourth ventricle where lie structures important for control of vertical gaze, we suggest the patterns of involvement in WE also reflect a breakdown in vulnerable areas of the blood-brain barrier. Many of the initial deficits of our patients improved over time, but their DBN did not. Irreversible changes in paramedian tract neurons, which project to the cerebellar flocculus, may be the cause. Here we suggest that conversion of UBN to permanent DBN points to thiamine deficiency and may argue for a chronic, nonprogressive DBN/truncal ataxia syndrome. Finally, we posit that the transient switch of UBN to DBN reflects abnormal processing of otolith information about linear acceleration, and often points to a diagnosis of WE. CONCLUSION Recognizing the unusual patterns of transient switching and then permanent conversion of UBN to DBN in WE is vital since long-term disability from WE may be prevented by timely, parenteral high-dose thiamine.
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Affiliation(s)
- Jorge C Kattah
- From the Department of Neurology (J.C.K., A.S.T.), University of Illinois College of Medicine; Illinois Neurologic Institute (J.C.K., A.S.T.), Peoria; Departments of Otolaryngology-Head and Neck Surgery (S.d.L., D.E.N.-T., D.S.Z.), Neuroscience (S.d.L., D.E.N.-T., D.S.Z.), and Neurology (S.d.L., D.E.N.-T., D.S.Z.), and Division of Neuro-Visual & Vestibular Disorders (D.E.N.-T.), Johns Hopkins University, Baltimore, MD.
| | - Ali Saber Tehrani
- From the Department of Neurology (J.C.K., A.S.T.), University of Illinois College of Medicine; Illinois Neurologic Institute (J.C.K., A.S.T.), Peoria; Departments of Otolaryngology-Head and Neck Surgery (S.d.L., D.E.N.-T., D.S.Z.), Neuroscience (S.d.L., D.E.N.-T., D.S.Z.), and Neurology (S.d.L., D.E.N.-T., D.S.Z.), and Division of Neuro-Visual & Vestibular Disorders (D.E.N.-T.), Johns Hopkins University, Baltimore, MD
| | - Sascha du Lac
- From the Department of Neurology (J.C.K., A.S.T.), University of Illinois College of Medicine; Illinois Neurologic Institute (J.C.K., A.S.T.), Peoria; Departments of Otolaryngology-Head and Neck Surgery (S.d.L., D.E.N.-T., D.S.Z.), Neuroscience (S.d.L., D.E.N.-T., D.S.Z.), and Neurology (S.d.L., D.E.N.-T., D.S.Z.), and Division of Neuro-Visual & Vestibular Disorders (D.E.N.-T.), Johns Hopkins University, Baltimore, MD
| | - David E Newman-Toker
- From the Department of Neurology (J.C.K., A.S.T.), University of Illinois College of Medicine; Illinois Neurologic Institute (J.C.K., A.S.T.), Peoria; Departments of Otolaryngology-Head and Neck Surgery (S.d.L., D.E.N.-T., D.S.Z.), Neuroscience (S.d.L., D.E.N.-T., D.S.Z.), and Neurology (S.d.L., D.E.N.-T., D.S.Z.), and Division of Neuro-Visual & Vestibular Disorders (D.E.N.-T.), Johns Hopkins University, Baltimore, MD
| | - David S Zee
- From the Department of Neurology (J.C.K., A.S.T.), University of Illinois College of Medicine; Illinois Neurologic Institute (J.C.K., A.S.T.), Peoria; Departments of Otolaryngology-Head and Neck Surgery (S.d.L., D.E.N.-T., D.S.Z.), Neuroscience (S.d.L., D.E.N.-T., D.S.Z.), and Neurology (S.d.L., D.E.N.-T., D.S.Z.), and Division of Neuro-Visual & Vestibular Disorders (D.E.N.-T.), Johns Hopkins University, Baltimore, MD
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20
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Kattah JC, McClelland C, Zee DS. Vertical nystagmus in Wernicke’s encephalopathy: pathogenesis and role of central processing of information from the otoliths. J Neurol 2019; 266:139-145. [DOI: 10.1007/s00415-019-09326-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 04/11/2019] [Accepted: 04/13/2019] [Indexed: 11/30/2022]
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21
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Dhir S, Tarasenko M, Napoli E, Giulivi C. Neurological, Psychiatric, and Biochemical Aspects of Thiamine Deficiency in Children and Adults. Front Psychiatry 2019; 10:207. [PMID: 31019473 PMCID: PMC6459027 DOI: 10.3389/fpsyt.2019.00207] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 03/22/2019] [Indexed: 01/19/2023] Open
Abstract
Thiamine (vitamin B1) is an essential nutrient that serves as a cofactor for a number of enzymes, mostly with mitochondrial localization. Some thiamine-dependent enzymes are involved in energy metabolism and biosynthesis of nucleic acids whereas others are part of the antioxidant machinery. The brain is highly vulnerable to thiamine deficiency due to its heavy reliance on mitochondrial ATP production. This is more evident during rapid growth (i.e., perinatal periods and children) in which thiamine deficiency is commonly associated with either malnutrition or genetic defects. Thiamine deficiency contributes to a number of conditions spanning from mild neurological and psychiatric symptoms (confusion, reduced memory, and sleep disturbances) to severe encephalopathy, ataxia, congestive heart failure, muscle atrophy, and even death. This review discusses the current knowledge on thiamine deficiency and associated morbidity of neurological and psychiatric disorders, with special emphasis on the pediatric population, as well as the putative beneficial effect of thiamine supplementation in autism spectrum disorder (ASD) and other neurological conditions.
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Affiliation(s)
- Shibani Dhir
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Maya Tarasenko
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Eleonora Napoli
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Cecilia Giulivi
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
- Medical Investigations of Neurodevelopmental Disorders (MIND) Institute, University of California, Davis, Davis, CA, United States
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22
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Shible AA, Ramadurai D, Gergen D, Reynolds PM. Dry Beriberi Due to Thiamine Deficiency Associated with Peripheral Neuropathy and Wernicke's Encephalopathy Mimicking Guillain-Barré syndrome: A Case Report and Review of the Literature. AMERICAN JOURNAL OF CASE REPORTS 2019; 20:330-334. [PMID: 30862772 PMCID: PMC6429982 DOI: 10.12659/ajcr.914051] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Beriberi due to thiamine (vitamin B1) deficiency has two clinical presentations. Patients with dry beriberi present with neuropathy, and patients with wet beriberi present with heart failure, with or without neuropathy. Dry beriberi can mimic the most common form of Guillain-Barre syndrome (GBS), an acute inflammatory demyelinating polyradiculoneuropathy (AIDP). Severe thiamine deficiency results in Wernicke's encephalopathy. This report of a case of dry beriberi and Wernicke's encephalopathy due to thiamine deficiency includes a review of the literature. CASE REPORT A 56-year old woman with a history of gallstone pancreatitis and protein-calorie malnutrition was treated six months previously with total parenteral nutrition (TPN). She initially presented at another hospital with paresthesia of the lower limbs, arms, and neck, and symptoms of encephalopathy. Initial diagnosis of GBS was made, based on magnetic resonance imaging (MRI) and cerebrospinal fluid (CSF) findings. Despite five days of intravenous immunoglobulin (IVIG) treatment, her encephalopathy worsened, requiring transfer to our hospital, where she required intubation and treatment with vasopressors. A repeat MRI of her brain showed changes consistent with Wernicke's encephalopathy. Following treatment with high-dose intravenous thiamine, her mental status improved within 48 hours, and by the third hospital day, she no longer required intubation. CONCLUSIONS Symptoms and signs of dry beriberi due to thiamine deficiency can mimic those of acute or chronic GBS. However, thiamine repletion leads to rapid clinical improvement and can prevent irreversible neurologic sequelae, including Korsakoff syndrome. Clinicians should consider thiamine deficiency in malnourished patients presenting with symptoms and signs of GBS.
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Affiliation(s)
- Ahmed A Shible
- Department of Clinical Pharmacy, University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, CO, USA.,Department of Pharmacy, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
| | - Deepa Ramadurai
- University of Colorado Internal Medicine Residency Training Program, University of Colorado, Aurora, CO, USA
| | - Daniel Gergen
- University of Colorado Internal Medicine Residency Training Program, University of Colorado, Aurora, CO, USA
| | - Paul M Reynolds
- Department of Clinical Pharmacy, University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, CO, USA
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23
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Kim M, Basharat A, Santosh R, Mehdi SF, Razvi Z, Yoo SK, Lowell B, Kumar A, Brima W, Danoff A, Dankner R, Bergman M, Pavlov VA, Yang H, Roth J. Reuniting overnutrition and undernutrition, macronutrients, and micronutrients. Diabetes Metab Res Rev 2019; 35:e3072. [PMID: 30171821 DOI: 10.1002/dmrr.3072] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 08/20/2018] [Accepted: 08/26/2018] [Indexed: 12/15/2022]
Abstract
Over-nutrition and its late consequences are a dominant theme in medicine today. In addition to the health hazards brought on by over-nutrition, the medical community has recently accumulated a roster of health benefits with obesity, grouped under "obesity paradox." Throughout the world and throughout history until the 20th century, under-nutrition was a dominant evolutionary force. Under-nutrition brings with it a mix of benefits and detriments that are opposite to and continuous with those of over-nutrition. This continuum yields J-shaped or U-shaped curves relating body mass index to mortality. The overweight have an elevated risk of dying in middle age of degenerative diseases while the underweight are at increased risk of premature death from infectious conditions. Micronutrient deficiencies, major concerns of nutritional science in the 20th century, are being neglected. This "hidden hunger" is now surprisingly prevalent in all weight groups, even among the overweight. Because micronutrient replacement is safe, inexpensive, and predictably effective, it is now an exceptionally attractive target for therapy across the spectrum of weight and age. Nutrition-related conditions worthy of special attention from caregivers include excess vitamin A, excess vitamin D, and deficiency of magnesium.
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Affiliation(s)
- Miji Kim
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Anam Basharat
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Ramchandani Santosh
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Syed F Mehdi
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Zanali Razvi
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Sun K Yoo
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Barbara Lowell
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Amrat Kumar
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Wunnie Brima
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
- Department of Medicine, Albert Einstein College of Medicine, New York, USA
| | - Ann Danoff
- Department of Medicine, Cpl. Michael J Crescenz Veterans Administration Medical Center, Philadelphia, PA, USA
| | - Rachel Dankner
- Department of Epidemiology and Preventive Medicine, School of Public Health, The Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Michael Bergman
- Department of Medicine, Division of Endocrinology, NYU School of Medicine, New York, NY, USA
| | - Valentin A Pavlov
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
- Center for Biomedical Science and Center for Bioelectric Medicine, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Huan Yang
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
- Center for Biomedical Science and Center for Bioelectric Medicine, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
| | - Jesse Roth
- Laboratory of Diabetes and Diabetes-Related Disorders, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
- Department of Medicine, Albert Einstein College of Medicine, New York, USA
- Center for Biomedical Science and Center for Bioelectric Medicine, The Feinstein Institute for Medical Research, Northwell Health, New York, USA
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Moraes JO, Rodrigues SDC, Pereira LM, Medeiros RDCN, de Cordova CAS, de Cordova FM. Amprolium exposure alters mice behavior and metabolism in vivo. Animal Model Exp Med 2018; 1:272-281. [PMID: 30891577 PMCID: PMC6388078 DOI: 10.1002/ame2.12040] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 10/01/2018] [Accepted: 10/22/2018] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Thiamine deficiency (TD) models have been developed, mainly using the thiamine analog pyrithiamine. Other analogs have not been used in rodents. We aimed to evaluate the effects and mechanisms of intraperitoneal (ip) amprolium-induced TD in mice. We also evaluated the associated pathogenesis using antioxidant and anti-inflammatory compounds (Trolox, dimethyl sulfoxide). METHODS Male mice were separated into two groups, one receiving a standard diet (control animals), and the other a TD diet (deficient groups) for 20 days. Control mice were further subdivided into three groups receiving daily ip injections of saline (NaCl 0.9%; Cont group), Tolox (Tr group) or dimethyl sulfoxide (DMSO; Dmso group). The three TD groups received amprolium (Amp group), amprolium and Trolox (Amp+Tr group), or amprolium and DMSO (Amp+Dmso group). The animals were subjected to behavioral tests and then euthanized. The brain and viscera were analyzed. RESULTS Amprolium exposure induced weight loss with hyporexia, reduced the behavioral parameters (locomotion, exploratory activity, and motor coordination), and induced changes in the brain (lower cortical cell viability) and liver (steatosis). Trolox co-treatment partially improved these conditions, but to a lesser extent than DMSO. CONCLUSIONS Amprolium-induced TD may be an interesting model, allowing the deficiency to develop more slowly and to a lesser extent. Amprolium exposure also seems to involve oxidative stress and inflammation, suggested as the main mechanisms of cell dysfunction in TD.
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Affiliation(s)
- Juliana Oliveira Moraes
- Programa de Pós‐Graduação em Sanidade Animal e Saúde Pública nos TrópicosUniversidade Federal do TocantinsAraguaínaTOBrazil
| | | | | | | | | | - Fabiano Mendes de Cordova
- Programa de Pós‐Graduação em Sanidade Animal e Saúde Pública nos TrópicosUniversidade Federal do TocantinsAraguaínaTOBrazil
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Jebali F, Lejri S, Salem A, Grati L. A rare complication of vomiting in pregnancy: Wernicke encephalopathy. Rev Neurol (Paris) 2017; 173:663-666. [DOI: 10.1016/j.neurol.2017.03.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 03/06/2017] [Accepted: 03/31/2017] [Indexed: 10/19/2022]
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Jannusch K, Jockwitz C, Bidmon HJ, Moebus S, Amunts K, Caspers S. A Complex Interplay of Vitamin B1 and B6 Metabolism with Cognition, Brain Structure, and Functional Connectivity in Older Adults. Front Neurosci 2017; 11:596. [PMID: 29163003 PMCID: PMC5663975 DOI: 10.3389/fnins.2017.00596] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 10/10/2017] [Indexed: 11/13/2022] Open
Abstract
Aging is associated with brain atrophy, functional brain network reorganization and decline of cognitive performance, albeit characterized by high interindividual variability. Among environmental influencing factors accounting for this variability, nutrition and particularly vitamin supply is thought to play an important role. While evidence exists that supplementation of vitamins B6 and B1 might be beneficial for cognition and brain structure, at least in deficient states and neurodegenerative diseases, little is known about this relation during healthy aging and in relation to reorganization of functional brain networks. We thus assessed the relation between blood levels of vitamins B1 and B6 and cognitive performance, cortical folding, and functional resting-state connectivity in a large sample of older adults (N > 600; age: 55-85 years), drawn from the population-based 1000BRAINS study. In addition to blood sampling, subjects underwent structural and functional resting-state neuroimaging as well as extensive neuropsychological testing in the domains of executive functions, (working) memory, attention, and language. Brain regions showing changes in the local gyrification index as calculated using FreeSurfer in relation to vitamin levels were used for subsequent seed-based resting-state functional connectivity analysis. For B6, a positive correlation with local cortical folding was found throughout the brain, while only slight changes in functional connectivity were observed. Contrarily, for B1, a negative correlation with cortical folding as well as problem solving and visuo-spatial working memory performance was found, which was accompanied by pronounced increases of interhemispheric and decreases of intrahemispheric functional connectivity. While the effects for B6 expand previous knowledge on beneficial effects of B6 supplementation on brain structure, they also showed that additional effects on cognition might not be recognizable in healthy older subjects with normal B6 blood levels. The cortical atrophy and pronounced functional reorganization associated with B1, contrarily, was more in line with the theory of a disturbed B1 metabolism in older adults, leading to B1 utilization deficits, and thus, an effective B1 deficiency in the brain, despite normal to high-normal blood levels.
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Affiliation(s)
- Kai Jannusch
- C. & O. Vogt Institute for Brain Research, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
- Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, Jülich, Germany
| | - Christiane Jockwitz
- Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, Jülich, Germany
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical Faculty, RWTH Aachen University, Aachen, Germany
- JARA–BRAIN, Jülich Aachen Research Alliance, Research Centre Jülich, Jülich, Germany
| | - Hans-Jürgen Bidmon
- C. & O. Vogt Institute for Brain Research, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Susanne Moebus
- Institute of Medical Informatics, Biometry and Epidemiology, University of Duisburg-Essen, Essen, Germany
| | - Katrin Amunts
- C. & O. Vogt Institute for Brain Research, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
- Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, Jülich, Germany
- JARA–BRAIN, Jülich Aachen Research Alliance, Research Centre Jülich, Jülich, Germany
| | - Svenja Caspers
- C. & O. Vogt Institute for Brain Research, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
- Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, Jülich, Germany
- JARA–BRAIN, Jülich Aachen Research Alliance, Research Centre Jülich, Jülich, Germany
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Chung SW, Park SW, Seo YJ, Kim JH, Lee CH, Lim JY. Repetitive Transcranial Magnetic Stimulation for Wernicke-Korsakoff Syndrome: A Case Report. Ann Rehabil Med 2017; 41:162-166. [PMID: 28289650 PMCID: PMC5344820 DOI: 10.5535/arm.2017.41.1.162] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 07/06/2016] [Indexed: 11/06/2022] Open
Abstract
A 57-year-old man who was diagnosed with Wernicke-Korsakoff syndrome showed severe impairment of cognitive function and a craving for alcohol, even after sufficient supplementation with thiamine. After completing 10 sessions of 10 Hz repetitive transcranial magnetic stimulation (rTMS) at 100% of the resting motor threshold over the left dorsolateral prefrontal cortex, dramatic improvement in cognitive function and a reduction in craving for alcohol were noted. This is the first case report of the efficacy of a high-frequency rTMS in the treatment of Wernicke-Korsakoff syndrome.
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Affiliation(s)
- So Won Chung
- Department of Rehabilitation Medicine, Eulji University Hospital, Eulji University School of Medicine, Daejeon, Korea
| | - Shin Who Park
- Department of Rehabilitation Medicine, Eulji University Hospital, Eulji University School of Medicine, Daejeon, Korea
| | - Young Jae Seo
- Department of Rehabilitation Medicine, Eulji University Hospital, Eulji University School of Medicine, Daejeon, Korea
| | - Jae-Hyung Kim
- Department of Rehabilitation Medicine, Eulji University Hospital, Eulji University School of Medicine, Daejeon, Korea
| | - Chan Ho Lee
- Department of Rehabilitation Medicine, Eulji Hospital, Eulji University School of Medicine, Seoul, Korea
| | - Jong Youb Lim
- Department of Rehabilitation Medicine, Eulji University Hospital, Eulji University School of Medicine, Daejeon, Korea
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Adjuvant thiamine improved standard treatment in patients with major depressive disorder: results from a randomized, double-blind, and placebo-controlled clinical trial. Eur Arch Psychiatry Clin Neurosci 2016; 266:695-702. [PMID: 26984349 DOI: 10.1007/s00406-016-0685-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Accepted: 03/02/2016] [Indexed: 12/26/2022]
Abstract
Given that antidepressants (ADs) work slowly, there is interest in means to accelerate their therapeutic effect and to reduce side effects. In this regard, thiamine (vitamin B1) is attracting growing interest. Thiamine is an essential nutrient, while thiamine deficiency leads to a broad variety of disorders including irritability and symptoms of depression. Here, we tested the hypothesis that adjuvant thiamine would reduce depression, compared to placebo. A total of 51 inpatients (mean age: 35.2 years; 53 % females) with MDD (Hamilton Depression Rating Scale score (HDRS) at baseline: >24) took part in the study. A standardized treatment with SSRI was introduced and kept at therapeutic levels throughout the study. Patients were randomly assigned either to the thiamine or the placebo condition. Experts rated (HDRS) symptoms of depression at baseline, and after 3, 6, and 12 weeks (end of the study). Between baseline and the end of the study, depression had reduced in both groups. Compared to placebo, adjuvant thiamine improved symptoms of depression after 6 week of treatment, and improvements remained fairly stable until the end of the study, though mean differences at week 12 were not statistically significant anymore. No adverse side effects were reported in either group. Results suggest that among younger patients with MDD adjuvant thiamine alleviated symptoms of depression faster compared to placebo. Importantly, improvements were observed within 6 weeks of initiation of treatment. Thus, thiamine might have the potential to counteract the time lag in the antidepressant effects of ADs.
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Kamchatnov PR. [Improvement of the efficacy and safety of the treatment of patients with low back pain]. Zh Nevrol Psikhiatr Im S S Korsakova 2016; 116:28-33. [PMID: 27845312 DOI: 10.17116/jnevro201611610128-33] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Low back pain (LBP) is an extremely widespread syndrome in the population. Nonsteroidal Inflammatory drugs are most frequently used in treatment of patients with LBP. The use of these drugs causes adverse effects, the risk of which can be minimized. To decrease the risk, B-group vitamins are used in the complex treatment. The possibility of simultaneous using of artrozan (meloxicam) and cyanocobalamine (B-group vitamin complex) in the treatment of LBP is considered.
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Affiliation(s)
- P R Kamchatnov
- Pirogov Russian National Research Medical University, Moscow, Russia
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Cellular thiamine status is coupled to function of mitochondrial 2-oxoglutarate dehydrogenase. Neurochem Int 2016; 101:66-75. [PMID: 27773789 DOI: 10.1016/j.neuint.2016.10.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 10/16/2016] [Accepted: 10/17/2016] [Indexed: 12/15/2022]
Abstract
Decreased thiamine and reduced activity of thiamine diphosphate (ThDP)-dependent 2-oxoglutarate dehydrogenase (OGDH) cause neurodegeneration. We hypothesized on concerted cell-specific regulation of the thiamine metabolism and ThDP-dependent reactions. We identified a smaller thiamine pool, a lower expression of the mitochondrial ThDP transporter, and a higher expression of OGDH in rat astrocytes versus neuroblastoma N2A. According to the data, the astrocytic OGDH may be up-regulated by an increase in intracellular ThDP, while the neuroblastomal OGDH functions at full ThDP saturation. Indeed, in rat astrocytes and brain cortex, OGDH inhibition by succinyl phosphonate (SP) enlarged the pool of thiamine compounds. Increased ThDP level in response to the OGDH inhibition presumably up-regulated the enzyme to compensate for a decrease in reducing power which occurred in SP-treated astrocytes. Under the same SP treatment of N2A cells, their thiamine pool and reducing power were unchanged, although SP action was evident from accumulation of glutamate. The presented data indicate that functional interplay between OGDH, other proteins of the tricarbocylic acid cycle and proteins of thiamine metabolism is an important determinant of physiology-specific networks and their homeostatic mechanisms.
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Thiamine Deficiency and Neurodegeneration: the Interplay Among Oxidative Stress, Endoplasmic Reticulum Stress, and Autophagy. Mol Neurobiol 2016; 54:5440-5448. [PMID: 27596507 DOI: 10.1007/s12035-016-0079-9] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 08/23/2016] [Indexed: 12/12/2022]
Abstract
Thiamine (vitamin B1) is an essential nutrient and indispensable for normal growth and development of the organism due to its multilateral participation in key biochemical and physiological processes. Humans must obtain thiamine from their diet since it is synthesized only in bacteria, fungi, and plants. Thiamine deficiency (TD) can result from inadequate intake, increased requirement, excessive deletion, and chronic alcohol consumption. TD affects multiple organ systems, including the cardiovascular, muscular, gastrointestinal, and central and peripheral nervous systems. In the brain, TD causes a cascade of events including mild impairment of oxidative metabolism, neuroinflammation, and neurodegeneration, which are commonly observed in neurodegenerative diseases, such as Alzheimer's disease (AD), Parkinson's disease (PD), and Huntington's disease (HD). Thiamine metabolites may serve as promising biomarkers for neurodegenerative diseases, and thiamine supplementations exhibit therapeutic potential for patients of some neurodegenerative diseases. Experimental TD has been used to model aging-related neurodegenerative diseases. However, to date, the cellular and molecular mechanisms underlying TD-induced neurodegeneration are not clear. Recent research evidence indicates that TD causes oxidative stress, endoplasmic reticulum (ER) stress, and autophagy in the brain, which are known to contribute to the pathogenesis of various neurodegenerative diseases. In this review, we discuss the role of oxidative stress, ER stress, and autophagy in TD-mediated neurodegeneration. We propose that it is the interplay of oxidative stress, ER stress, and autophagy that contributes to TD-mediated neurodegeneration.
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Nikou T, Ioannidis A, Zoga M, Tzavellas E, Paparrigopoulos T, Magana M, Pliatsika P, Nikolaou C, Chatzipanagiotou S. Alteration in the concentrations of Interleukin-7 (IL-7), Interleukin-10 (IL-10) and Granulocyte Colony Stimulating Factor (G-CSF) in alcohol-dependent individuals without liver disease, during detoxification therapy. Drug Alcohol Depend 2016; 163:77-83. [PMID: 27068251 DOI: 10.1016/j.drugalcdep.2016.03.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2015] [Revised: 03/17/2016] [Accepted: 03/28/2016] [Indexed: 12/23/2022]
Abstract
BACKGROUND The course of Interleukin-7 (IL-7), Interleukin-10 (IL-10) and Granulocyte Colony Stimulating Factor (G-CSF) was investigated in alcohol-dependent individuals without liver disease in order to ascertain the use of these cytokines as markers for the follow-up testing and the outcome of the detoxification treatment. METHODS Forty-eight alcohol-dependent individuals were admitted for alcohol detoxification. Blood was obtained upon admission, two weeks later and after the completion of the detoxification period (4-5 weeks). Serum IL-7, IL-10 and G-CSF were measured with a commercially available sandwich enzyme immunoassay. RESULTS IL-7 concentration was steadily high from admission up to two weeks later and then showed a fall, yet still remaining significantly higher than in the control group at the end of the detoxification treatment. IL-10 concentration was significantly low on admission, presenting a linear increase during therapy and remained insignificantly low at the end. G-CSF was significantly elevated on admission and presented a linear fall ending up in almost normal values at the end of the detoxification therapy. CONCLUSIONS The alterations in the concentration of IL-7, IL-10 and G-CSF and their trend to normalization during the detoxification therapy are indicative of the generalized immune system disorder, caused by alcohol abuse. Further studies will help in further elucidating the pathophysiology of the immune system function in alcohol abuse, while immunological parameters might serve as biological markers and diagnostic tools for the assessment of the course and the outcome of the detoxification therapy.
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Affiliation(s)
- Thomas Nikou
- Athens Medical School, Aeginition Hospital, Department of Psychiatry, National and Kapodistrian University of Athens, Greece
| | - Anastasios Ioannidis
- Department of Nursing, Faculty of Human Movement and Quality of Life Sciences, University of Peloponnese, Sparta, Greece; Athens Medical School, Aeginition Hospital, Department of Biopathology and Clinical Microbiology, National and Kapodistrian University of Athens, Greece
| | - Margarita Zoga
- Athens Medical School, Aeginition Hospital, Department of Biopathology and Clinical Microbiology, National and Kapodistrian University of Athens, Greece
| | - Elias Tzavellas
- Athens Medical School, Aeginition Hospital, Department of Psychiatry, National and Kapodistrian University of Athens, Greece
| | - Thomas Paparrigopoulos
- Athens Medical School, Aeginition Hospital, Department of Psychiatry, National and Kapodistrian University of Athens, Greece
| | - Maria Magana
- Athens Medical School, Aeginition Hospital, Department of Biopathology and Clinical Microbiology, National and Kapodistrian University of Athens, Greece
| | - Paraskevi Pliatsika
- Athens Medical School, Aeginition Hospital, Department of Biopathology and Clinical Microbiology, National and Kapodistrian University of Athens, Greece
| | - Chryssoula Nikolaou
- Athens Medical School, Aeginition Hospital, Department of Biopathology and Clinical Microbiology, National and Kapodistrian University of Athens, Greece
| | - Stylianos Chatzipanagiotou
- Athens Medical School, Aeginition Hospital, Department of Biopathology and Clinical Microbiology, National and Kapodistrian University of Athens, Greece.
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Giesen ES, Zimmer P, Bloch W. Effects of an Exercise Program on Physical Activity Level and Quality of Life in Patients with Severe Alcohol Dependence. ALCOHOLISM TREATMENT QUARTERLY 2016. [DOI: 10.1080/07347324.2016.1113109] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Wernicke's Encephalopathy, Wet Beriberi, and Polyneuropathy in a Patient with Folate and Thiamine Deficiency Related to Gastric Phytobezoar. Case Rep Neurol Med 2015; 2015:624807. [PMID: 26697247 PMCID: PMC4677180 DOI: 10.1155/2015/624807] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 10/20/2015] [Indexed: 01/23/2023] Open
Abstract
Background. Wernicke's encephalopathy (WE) is an acute neurological disorder resulting from thiamine deficiency. It is mainly related to alcohol abuse but it can be associated with other conditions such as gastrointestinal disorders. This vitamin deficiency can also present with cardiovascular symptoms, called “wet beriberi.” Association with folate deficit worsens the clinical picture. Subject. A 70-year-old man with gastric phytobezoar presented with gait instability, dyspnoea, chest pain associated with right heart failure and pericarditis, and folate deficiency. Furosemide was administered and cardiac symptoms improved but he soon developed vertiginous syndrome, nystagmus, diplopia, dysmetria, and sensitive and motor deficit in all four limbs with areflexia. Results. A cerebral magnetic resonance imaging (MRI) showed typical findings of WE. He was immediately treated with thiamine. Neurological symptoms improved in a few days and abnormal signals disappeared in a follow-up MRI two weeks later. Conclusion. Patients with malabsorption due to gastrointestinal disorders have an increased risk of thiamine deficiency, and folate deficiency can make this vitamin malabsorption worse. An established deficiency mainly shows neurological symptoms, WE, or rarely cardiovascular symptoms, wet beriberi. Early vitamin treatment in symptomatic patients improves prognosis. We recommend administration of prophylactic multivitamins supplements in patients at risk as routine clinical practice.
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Kamchatnov PR, Umarova KY, Chugunov AV. [The use of neurobion in neurological practice]. Zh Nevrol Psikhiatr Im S S Korsakova 2015; 115:60-64. [PMID: 26525818 DOI: 10.17116/jnevro20151159160-64] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Vitamins are actively involved in many metabolic processes of the nervous system. Their deficit may cause severe and, sometimes, irreversible consequences. Mechanisms of the therapeutic effects of the vitamin B complex neurobion are considered. Results of the studies on the efficacy and safety of neurobion in patients with polyneuropathies, including those caused by diabetes mellitus, pain syndromes of origin (skeletal/muscle pain, trauma etc) are presented. The necessity of using neurobion in treatment of a wide spectrum of nervous system diseases is emphasized.
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Affiliation(s)
- P R Kamchatnov
- Pirogov Russian National Research Medical University, Moscow
| | | | - A V Chugunov
- Pirogov Russian National Research Medical University, Moscow
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Manzardo AM, Pendleton T, Poje A, Penick EC, Butler MG. Change in psychiatric symptomatology after benfotiamine treatment in males is related to lifetime alcoholism severity. Drug Alcohol Depend 2015; 152:257-63. [PMID: 25908323 PMCID: PMC4550087 DOI: 10.1016/j.drugalcdep.2015.03.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Revised: 02/19/2015] [Accepted: 03/26/2015] [Indexed: 12/16/2022]
Abstract
BACKGROUND Severe alcoholism can be associated with significant nutritional and vitamin deficiency, especially vitamin B1 (thiamine) which is associated with neurological deficits impacting mood and cognition. Alcohol consumption was reduced among female but not male alcoholics after supplementation with the high potency thiamine analog benfotiamine (BF). We examined the relationship between lifetime alcoholism severity, psychiatric symptoms and response to BF among the alcohol dependent men from this cohort. METHODS Eighty-five adult men (mean age=48±8 years) meeting DSM-IV-TR criteria for a current alcohol use disorder who were abstinent <30days participated in a randomized, double-blind, placebo-controlled trial of 600mg BF vs placebo (PL) for 6 months. Psychometric testing included a derived Lifetime Alcoholism Severity Score (AS), Symptom Checklist 90R (SCL-90R), and the Barratt Impulsivity Scale (BIS) at baseline and at 6 months. RESULTS Baseline SCL-90-R scale scores for men with high alcoholism severity (AS≥24; N=46 HAS) were significantly greater than for men with low alcoholism severity (AS<24; N=39 LAS), but BIS scores did not differ. MANOVA modeling at follow-up (N=50 completed subjects) identified a significant treatment effect (F=2.5, df=10, p<0.03) and treatment×alcoholism severity level interaction (F=2.5, dfnum=10, dfden=30, p<0.03) indicating reduced SCL-90-R scores among BF treated, HAS males. Above normal plasma thiamine levels at follow-up predicted reduced depression scores in a BF-treated subset (F=3.2, p<0.09, N=26). CONCLUSION BF appears to reduce psychiatric distress and may facilitate recovery in severely affected males with a lifetime alcohol use disorder and should be considered for adjuvant therapy in alcohol rehabilitation. TRIAL REGISTRATION #NCT00680121 High Dose Vitamin B1 to Reduce Abusive Alcohol Use.
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Asatryan L, Khoja S, Rodgers KE, Alkana RL, Tsukamoto H, Davies DL. Chronic ethanol exposure combined with high fat diet up-regulates P2X7 receptors that parallels neuroinflammation and neuronal loss in C57BL/6J mice. J Neuroimmunol 2015. [PMID: 26198936 DOI: 10.1016/j.jneuroim.2015.06.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The present investigation tested the role of ATP-activated P2X7 receptors (P2X7Rs) in alcohol-induced brain damage using a model that combines intragastric (iG) ethanol feeding and high fat diet in C57BL/6J mice (Hybrid). The Hybrid paradigm caused increased levels of pro-inflammatory markers, changes in microglia and astrocytes, reduced levels of neuronal marker NeuN and increased P2X7R expression in ethanol-sensitive brain regions. Observed changes in P2X7R and NeuN expression were more pronounced in Hybrid paradigm with inclusion of additional weekly binges. In addition, high fat diet during Hybrid exposure aggravated the increase in P2X7R expression and activation of glial cells.
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Affiliation(s)
- Liana Asatryan
- Titus Family Department of Clinical Pharmacy and Pharmaceutical Economics and PolicySchool of PharmacyUniversity of Southern California1985 Zonal Avenue, Los Angeles, CA, 90033, United States.
| | - Sheraz Khoja
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, 1985 Zonal Avenue, Los Angeles, CA 90033, United States
| | - Kathleen E Rodgers
- Titus Family Department of Clinical Pharmacy and Pharmaceutical Economics and PolicySchool of PharmacyUniversity of Southern California1985 Zonal Avenue, Los Angeles, CA, 90033, United States
| | - Ronald L Alkana
- Department of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, 1985 Zonal Avenue, Los Angeles, CA 90033, United States
| | - Hidekazu Tsukamoto
- Southern California Research Center for Alcoholic Liver and Pancreatic Disease and Cirrhosis, Keck School of Medicine, University of Southern California, 1333 San Pablo Street, Los Angeles, CA 90033, United States
| | - Daryl L Davies
- Titus Family Department of Clinical Pharmacy and Pharmaceutical Economics and PolicySchool of PharmacyUniversity of Southern California1985 Zonal Avenue, Los Angeles, CA, 90033, United States
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Busani S, Bonvecchio C, Gaspari A, Malagoli M, Todeschini A, Cautero N, Girardis M. Wernicke's encephalopathy in a malnourished surgical patient: a difficult diagnosis. BMC Res Notes 2014; 7:718. [PMID: 25312751 PMCID: PMC4209069 DOI: 10.1186/1756-0500-7-718] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Accepted: 10/08/2014] [Indexed: 11/24/2022] Open
Abstract
Background Wernicke’s encephalopathy is an acute neurological disorder resulting from thiamine deficiency mainly related to alcohol abuse. Severe thiamine deficiency is an emerging problem in non-alcoholic patients and it may develop in postoperative surgical patients with risk factors. Case presentation We reported a case of a 46 years old woman who underwent, one year before, to cephalic duodenopancreatectomy complicated with prolonged recurrent vomiting. She underwent to a second surgical operation for intestinal sub-occlusion and postoperatively she developed septic shock and hemorrhagic Wernicke’s disease. After ICU admission, because of neurological deterioration, she underwent CT scan and MRI that highlighted a strong suspicion for Wernicke’s disease. We treated her with an initially wrong low dose of thiamine, then after MRI we increased the dosage with a neurological status improvement. Despite therapeutic efforts used to control septic shock and thrombocytopenia, she died on the 21st day after surgery because of massive cerebral bleeding and unresponsive cerebral edema. Conclusion Early detection of subclinical thiamine deficiency is a difficult task, as symptoms may be nonspecific. Wernicke’s disease remains a clinical diagnosis because there are no specific diagnostic abnormalities revealed in cerebrospinal fluid, electroencephalogram or evoked potentials. About this, the best aid for a correct diagnosis is the clinical suspicion and clinicians should consider the disorder in any patients with unbalanced nutrition, increased metabolism or impaired food absorption. A hallmark of our case was the brain hemorrhage in the typical areas of the Wernicke’s disease, maybe triggered by the thrombocytopenia secondary to sepsis. It might be a good clinical practice administer thiamine to all patients presenting with coma or stupor and risk factors related with thiamine deficiency. Any therapeutic delay may result in permanent neurological damage or death.
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Affiliation(s)
- Stefano Busani
- Cattedra di Anestesia e Rianimazione, Policlinico di Modena, Università di Modena e Reggio Emilia, Modena, Italy.
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Abdou E, Hazell AS. Thiamine deficiency: an update of pathophysiologic mechanisms and future therapeutic considerations. Neurochem Res 2014; 40:353-61. [PMID: 25297573 DOI: 10.1007/s11064-014-1430-z] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Revised: 09/02/2014] [Accepted: 09/03/2014] [Indexed: 12/17/2022]
Abstract
Thiamine is an essential vitamin that is necessary to maintain the functional integrity of cells in the brain. Its deficiency is the underlying cause of Wernicke's encephalopathy (WE), a disorder primarily associated with, but not limited to, chronic alcoholism. Thiamine deficiency leads to the development of impaired energy metabolism due to mitochondrial dysfunction in focal regions of the brain resulting in cerebral vulnerability. The consequences of this include oxidative stress, excitotoxicity, inflammatory responses, decreased neurogenesis, blood-brain barrier disruption, lactic acidosis and a reduction in astrocyte functional integrity involving a loss of glutamate transporters and other astrocyte-specific proteins which together contribute in a major way to the resulting neurodegeneration. Exactly how these factors acting in concert lead to the demise of neurons is unclear. In this review we reassess their relative importance in the light of more recent findings and discuss therapeutic possibilities that may provide hope for the future for individuals with WE.
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Affiliation(s)
- Eman Abdou
- Department of Medicine, University of Montreal, Montreal, QC, Canada
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