Dinko Mitrecić

Dinko Mitrecić
University of Zagreb · School of Medicine (MEF)

MD, PhD

About

69
Publications
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Introduction
Dinko Mitrecic currently works at the School of Medicine (MEF), University of Zagreb. Dinko does research in Molecular Biology, Neuroscience and Cell Biology. Their current projects are dedicated to innovative approaches in treatment of brain diseases based on stem cells and their products.

Publications

Publications (69)
Article
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Neural tube defects (NTDs) are the second most common congenital malformations of humans, characterized by impaired development of the central nervous system. Even though the etiology of most birth defects remains undetermined, genetic and environmental risk factors in the background of NTDs have been identified and extensively reported. On top of...
Article
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From the first success in cultivation of cells in vitro, it became clear that developing cell and/or tissue specific cultures would open a myriad of new opportunities for medical research. Expertise in various in vitro models has been developing over decades, so nowadays we benefit from highly specific in vitro systems imitating every organ of the...
Preprint
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Cells from people with Down syndrome (DS) show faster accumulation of DNA damage and epigenetic aging marks. Causative mechanisms remain un-proven and hypotheses range from amplified chromosomal instability to actions of several supernumerary chromosome 21 genes. Plasma immunoglobulin G (IgG) glycosylation profiles are established as a reliable pre...
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A population of more than six million people worldwide at high risk of Alzheimer’s disease (AD) are those with Down Syndrome (DS, caused by trisomy 21 (T21)), 70% of whom develop dementia during lifetime, caused by an extra copy of β-amyloid-(Aβ)-precursor-protein gene. We report AD-like pathology in cerebral organoids grown in vitro from non-invas...
Article
Correction to: European Review for Medical and Pharmacological Sciences 2021; 25 (8): 3350-3364-DOI: 10.26355/eurrev_202104_25747-PMID: 33928623, published online 30 April, 2021. After publication, the authors requested to correct the Acknowledgements of the above-mentioned article. There are amendments to this paper. The Publisher apologizes for a...
Article
Objective: The purpose of this article was to review our clinical experience with COVID-19 patients observed in the Cardiovascular Division of Pompidou Hospital (University of Paris, France) and the Department of Neurology of the Eastern Piedmont University (Novara, Italy), related to the impact on the cardiovascular, hematological, and neurologic...
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Alzheimer’s disease (AD) and related dementia is one of the growing threats to the sustainability of health and care systems in developed countries, and efforts to find therapies have had scant success. The main reasons for this are lack of efficient therapy, which is linked to too late discovery of the disease itself. With this in mind, biomarkers...
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Extracellular vesicles (EVs) have recently attracted a great deal of interest as they may represent a new biosignaling paradigm. According to the mode of biogenesis, size and composition, two broad categories of EVs have been described, exosomes and microvesicles. EVs have been shown to carry cargoes of signaling proteins, RNA species, DNA and lipi...
Article
Ozone (O3) is a short-lived molecule which can be produced in a controlled reaction when oxygen is exposed to electric discharge. In the last few decades, many publications dealing both with animals and humans reported beneficial effects of ozone administration linked to its immunomodulatory and protective role against cellular damage. This is the...
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Populations around the world are ageing faster than ever in the past. A constant and already impressive rate in the worldwide increase of life expectancy has led to the fact that the current proportion of the population above 60 years (17%) will double in the next thirty to forty years. In the next 30 years, every third person in the world will fal...
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The increased awareness of obstructive sleep apnoea’s (OSA) links to Alzheimer’s disease and major psychiatric disorders has recently directed an intensified search for their potential shared mechanisms. We hypothesised that neuroinflammation and the microglial TLR2-system may act as a core process at the intersection of their pathophysiology. More...
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A continuous rise in life expectancy has led to an increase in the number of senior citizens, now amounting to a fifth of the global population, and to a dramatic increase in the prevalence of diseases of the elderly. This review discusses the threat of dementia, a disease that imposes enormous financial burden on health systems and warrants effici...
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Three dimensional (3D) printing, which consists in the conversion of digital images into a 3D physical model, is a promising and versatile field that, over the last decade, has experienced a rapid development in medicine. Cardiovascular medicine, in particular, is one of the fastest growing area for medical 3D printing. In this review, we firstly d...
Preprint
A population of >6 million people worldwide at high risk of Alzheimer’s disease (AD) are those with Down Syndrome (DS, caused by trisomy 21 (T21)), 70% of whom develop dementia during lifetime, caused by an extra copy of β-amyloid-(Aβ)-precursor-protein gene. We report AD-like pathology in cerebral organoids grown in vitro from non-invasively sampl...
Preprint
Full-text available
Background: The neurological mechanisms of the disease process of obstructive sleep apnea, the second most frequent sleep disorder, remain unclear whilst its links with several major neuropsychiatric disorders, such as depression, anxiety and even Alzheimers disorder, are increasingly recognised. A radical theory, that inflammation in the brain may...
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Analyses of composition, distribution of cellular and extracellular matrix components, and molecular analysis of mitochondria related genes of bone loss in the presence of inflammatory environment in humans was the aim of the present project. As a human model we chose peri-implantitis. Morphological analyses were performed by means classical histol...
Article
Stem cell-based therapeutics is a rapidly developing field associated with a number of clinical challenges. One such challenge lies in the implementation of methods to track stem cells and stem cell-derived cells in experimental animal models and in the living patient. Here, we provide an overview of cell tracking in the context of cardiac and neur...
Article
Silver nanoparticles (AgNPs) represent one of the most abundant biocidal nanomaterials contained in more than 30% of nano-enabled consumer products and 75% of nanomedical products. The cumulative exposure of the general population may therefore reach critical and potentially hazardous levels. Due to data gaps on AgNP effects in humans, it is urgent...
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Aim: To propose potential mechanisms of action of electromagnetic fields (EMF) on astrocytes and microglia and to elucidate the role of heat shock proteins (HSP), adenosine triphosphate (ATP), calcium ions (Ca2+), and hypoxia-inducible factor 1α (HIF1α) in neurorestoration following the application of EMF. Methods: We reviewed the existing studi...
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Due to very limited therapeutic options, ischemic brain injury is one of the leading causes of death and lifelong disability worldwide, which imposes enormous public health burden. One of the main events occurring with ischemic brain stroke is cell death. Necroptosis is a type of cell death described as a regulated necrosis characterized by cell me...
Article
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Exosomes are a subgroup of extracellular vesicles containing a huge number of bioactive molecules. They represent an important means of cell communication, mostly between different cell populations, with the purpose of maintaining tissue homeostasis and coordinating the adaptive response to stress. This type of intercellular communication is import...
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Aim: To analyze how neural stem cells (NSC) transplantation in the stroke-affected mouse brain influences the expression of genes involved in apoptosis-inducing factor (AIF)-mediated cell death - apoptosis inducing factor mitochondria associated 1 (Aifm1), ring finger protein 146 (Rnf146, Iduna), and cyclophilin A (CypA); necroptosis-receptor inter...
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Abstract All major processes in the nervous system depend on interactions between cells and nerve fibers. In this work we present a novel model of inhomogeneous electromagnetic fields originating from nerve fibers and delineate their influence on cells. By expanding Hodgkin-Huxley’s applied current into axial current, governed by$${J}_{i}^{j+1}=K\t...
Article
Introduction: Amyotrophic Lateral Sclerosis (ALS) is a progressive, incurable neurodegenerative disease that targets motoneurons. Cell-based therapies have generated widespread interest as a potential therapeutic approach but no conclusive results have yet been reported either from pre-clinical or clinical studies. Areas covered: This is an integra...
Article
Objective: To observe simultaneous differentiation and analyse possible interactions between co-cultured human oral mucosal stem cells (hOMSC) and mouse neural stem cells (mNSC). Materials and methods: hOMSC and mNSC were co-cultured in mouse and in human medium, and their immunocytochemical characterization to detect survival rate and different...
Article
Although transplantation of stem cells improves recovery of the nervous tissue, little is known about the influence of different brain regions on transplanted cells. After we confirmed that cells with uniform differentiation potential can be generated in independent experiments, one million of neural stem cells isolated from B6.Cg-Tg(Thy1-YFP)16Jrs...
Article
Amyotrophic lateral sclerosis (ALS) is a fatal neurological disorder affecting upper and lower motoneurons. The two types, sporadic and familial differ in the aetiopathogenesis but have a similar neuropathology characterized by oxidative stress, excitotoxicity and inflammation. The disease is also characterized by a non-cell autonomous mechanism wi...
Article
A reliable method of cell tracing is essential in evaluating potential therapeutic procedures based on stem cell transplantation. Here we present data collected using neural stem cells isolated from a transgenic mouse line Thy1-YFP. When transplanted into a stroke affected brain these cells give rise to neurons that express a fluorescent signal whi...
Article
To analyse events following transplantation of stem cells in the brain robust tools for tracing stem cells are required. Here we took advantage of the mouse strain B6.Cg-Tg(Thy1-YFP)16Jrs/J (Thy1 YFP-16), where yellow fluorescent protein (YFP) is under control of the promoter of Thy1 gene. This allows visualising whole neurons, i.e. their cell body...
Article
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STAM2 (signal transducing adaptor molecule 2), a subunit of the ESCRT-0 complex, is an endosomal protein acting as a regulator of receptor signaling and trafficking. To analyze STAM2 in the nervous system, its gene expression and protein localization in the mouse brain were identified using three methods: mRNA in situ hybridization, immunohistochem...
Article
Amyotrophic lateral sclerosis (ALS) is an adult-onset neurodegenerative disease affecting primarily the population of motor neurons, even though a non-cell autonomous component, involving neighbouring non-neuronal cells, is more and more described. Despite 140 years of disease experience, still no efficient treatment exists against ALS. The inabili...
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GAP43 is a protein involved in neurite outgrowth during development and axon regeneration reflecting its presynaptic localization in developing neurons. Recently, it has been demonstrated that GAP43 is a ligand of CASP3 involved in receptor endocytosis and is also localized post-synaptically. In this study, by using a transgenic mouse strain carryi...
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Neglected for years, astrocytes are now recognized to fulfill and support many, if not all, homeostatic functions of the healthy central nervous system (CNS). During neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS) and spinal cord injury (SCI), astrocytes in the vicinity of degenerating areas undergo both morphological and fun...
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The nucleolar protein 2 gene encodes a protein specific for the nucleolus. It is assumed that it plays a role in the synthesis of ribosomes and regulation of the cell cycle. Due to its link to cell proliferation, higher expression of Nop2 indicates a worse tumor prognosis. In this work we used Nop2(gt1gaj) gene trap mouse strain. While lethality of...
Article
Spinal root avulsion results in paralysis and sensory loss, and is commonly associated with chronic pain. In addition to the failure of avulsed dorsal root axons to regenerate into the spinal cord, avulsion injury leads to extensive neuroinflammation and degeneration of second-order neurons in the dorsal horn. The ultimate objective in the treatmen...
Article
Toll-like receptor 2 (TLR2) is involved in innate immunity in the brain and in the cascade of events after ischemic stroke. The aim of this study was to get an insight into the expression of genes related to TLR2 signaling pathway and associated with inflammation and apoptosis in the later stages of brain response after ischemic injury. Middle cere...
Article
The central nervous system has a very poor regenerative potential and is difficult to access. This partly explains why neurological diseases often lack appropriate therapeutic options and represent the most significant burden for healthcare systems. Progress in understanding the molecular background of neurological diseases requires innovative appr...
Article
Selection of the appropriate administration route is one of the critical steps in a successful therapeutic process. From its beginning, stem cell-based rejuvenation of the central nervous system has been based on intraparenchymal cell transplantation. However, a high invasiveness of the procedure and a focal cell delivery can not be justified for a...
Article
Stem cells -based therapy is one of the most promising therapeutic approaches for amyotrophic lateral sclerosis (ALS), which is a fatal neurodegenerative disease without cure. This paper reviews the most intriguing pre-clinical and clinical studies and reports the current status of knowledge regarding ALS pathogenesis, confronting it with stem cell...
Article
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Neurological diseases are recognized as one of the most significant burdens of the modern society. Therefore, a new therapeutic approach applicable to nervous system represents priority of today’s medicine. A rapid development of stem cell technology in the last two decades introduced a possibility to regenerate disease-affected nervous tissue. In...
Article
C. Nicaise, D. Mitrecic and R. Pochet (2011) Neuropathology and Applied Neurobiology37, 179–188 Brain and spinal cord affected by amyotrophic lateral sclerosis induce differential growth factors expression in rat mesenchymal and neural stem cells Stem cell research raises hopes for incurable neurodegenerative diseases. In amyotrophic lateral sclero...
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The transplantation of neural stem cells (NSCs) is a challenging therapeutic strategy for the treatment of neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS). To provide insight into the potential of the intravenous delivery of NSCs, we evaluated the delivery of NSCs marked with green fluorescent protein to the central nervous s...
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Besides its well-known role in cervical carcinoma, HPV is also suggested to be involved in lung cancer development. A number of authors have been investigating the presence of HPV in histological materials. We used routine bronchial aspirates from 84 patients with lung carcinoma for DNA extraction and then performed polymerase chain reaction for hi...
Article
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The mouse transcription factor Noto is expressed in the notochord and involved in its development. Noto mouse mutants, Noto(tc/tc)(truncate) and Noto(GFP/GFP) (Noto null mutant), exhibit a segmental lack of the notochord in the caudal part of the embryo and subsequent tail truncation in adult animals. In order to address the relationship between th...
Article
Common pathological features of neurodegenerative diseases are progressive dysfunction and neuronal death. In amyotrophic lateral sclerosis (ALS), motor neurons are selectively affected, leading to death because of paralysis. The main therapeutic goal in neurodegenerative diseases is to diminish neural dysfunction and to replace non-functional cell...
Article
Magnetic resonance imaging (MRI) is the only noninvasive technique that provides structural information on both cell loss and metabolic changes. After reviewing all the results obtained in clinical studies, reliable biomarkers in neurological diseases are still lacking. Diffusional MRI, MR spectroscopy, and the assessment of regional atrophy are pr...
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Adapted composite picture of images taken from different contributions to this Neurodegeneration and Neuroplasticity special issue (see Andjus et al., on page 1871; Schäfer et al., on page 1929; and Mitrecić et al., on page 1951).
Article
There are only a few systematic reports about DNA extraction from routine diagnostic cytological specimens. An inevitable drawback of such techniques is increased spending of time and funds required for obligatory DNA purification. To implement a simple protocol for human DNA isolation from cytological specimens related to lung cancer, bronchial as...
Article
Blood-brain barrier (BBB) and blood-spinal cord barrier (BSCB) impairment is an additional accident occurring during the amyotrophic lateral sclerosis (ALS) progression. In this work, we aimed to decipher if BBB/BSCB leakage appeared before critical detrimental events and could serve as a marker preceding clinical symptoms. Three different BBB leak...
Article
Descriptive morphological studies are often combined with gene expression pattern analyses. Unembedded vibratome or cryotome sections are compatible with in situ RNA hybridization, but spatial resolution is rather low for precise microscopic studies necessary in embryology. Therefore, use of plastic embedding media, which allow semi-thin and ultra-...
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Routine methods used to genotype mice involve isolation of DNA from partially amputated neonate's tail, toe, or ear. The inevitable drawbacks of such techniques are the animal's pain response and the increased time and funds required for DNA purification. In order to implement a noninvasive and simple protocol for mouse DNA isolation, we have impro...
Article
Splotch (Pax3(sp)) and truncate (Noto(tc)) are spontaneously arisen mouse mutants with disturbed embryo development. Splotch carries a Pax3 mutation and it is characterized by the neural tube defect. Corresponding mutation in human causes Waardenburg syndrome. Truncate is Noto mutant with disturbed development of the caudal notochord. In order to e...
Article
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Gene trap mutant mice Stam(gt1Gaj) were investigated in order to elucidate in vivo function of Stam2 (signal transducing adaptor molecule 2) gene, which was in vitro implicated in sorting cargo marked by monoubiquitination toward degradation in the lysosomes. The expression analysis showed high Stam2 expression in the brain including the regions re...
Article
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Nucleolar protein 1 (Nol1) is a cell cycle dependent gene highly expressed in proliferating tissues. In order to test whether Nol1 could be used as a marker of dividing neural stem cells within mouse brain, Nol1 expression was analyzed using mouse carrying a gene trap modification of Nol1 gene. High Nol1 expression was found within the hippocampus,...
Article
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Uniform genetic background of inbred mouse strains is essential in experiments with genetically modified mice. In order to assess Add2 (beta-adducin) function, its null mutation was produced in embryonic stem cells derived from 129Sv mouse and the subsequently obtained mouse mutants were backcrossed for 6 generations with C57BL/6JOlaHsd strain. Com...
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The morphological analysis represents the basic method used to determine the phenotype changes of the genetically modified mouse. In this way the observed phenotype changes are correlated to the genetic modification and enable the insight in the function of the investigated gene. The challenge of the morphological analysis increases with the increa...
Article
Precise characterization of transgene insertion is necessary for phenotype interpretation of transgenic animals. To check for the presence of deletions, estimate the number of inserted transgene copies, and in addition, identify the zygosity of transgenic mice, gene copy numbers were determined by real-time quantitative PCR. Instead of correlating...
Article
A key malformation in the homozygous truncate mouse mutants is a partial lack of the notochord in the embryo tail. In order to analyze if tail bud development was affected by the truncate (tc) mutation, serial semithin sections of tails of the homozygous mutant embryos were compared to the wild-type controls. In the wild-type embryos morphologicall...
Article
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Development of the caudal part of the mammalian embryo includes differentiation of mesenchymal cells, named the tail bud, in the posterior end of the tail. The tail bud is continuous with the neural tube, notochord and the tail gut, which led to the conclusion that caudal structures of the embryo emerge from the tail bud (1). As experimental manipu...

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Increasing competences of young researches