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Manuela Calin et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 89, 18-29 (2014-12-02)
Chemokines are critically involved in the development of chronic inflammatory-associated diseases such as atherosclerosis. We hypothesized that targeted delivery of compounds to the surface of activated endothelial cells (EC) interferes with chemokine/receptor interaction and thereby efficiently blocks inflammation. We developed
EunByeol Han et al.
Archives of dermatological research, 307(1), 57-72 (2014-07-27)
Melanin is major factor that determines skin color as well as one of the defense systems that prevent the UV-induced damage. In case of abnormal concentration of melanin, skin diseases or problems occur such as albinism, leukoplakia, melasma, freckles, moles
Marcel M Verbeek et al.
Molecular genetics and metabolism, 94(4), 403-409 (2008-05-27)
Sepiapterin reductase (SR) deficiency is a rare inherited disorder of neurotransmitter metabolism; less than 25 cases have been described in the literature so far. We describe the clinical history and extensive cerebrospinal fluid (CSF) and urine examination of two Greek
Jianbing Tang et al.
Biomedical reports, 3(4), 499-502 (2015-07-15)
The aim of the present study was to observe the effects of different exogenous estrogen diethylstilbestrol (DES) concentrations on the human melanocyte proliferation and tyrosinase activity. Skin specimens were obtained following blepharoplasty, and the melanocytes were primary cultured and passaged
Hsin-Yun Lin et al.
Developmental and comparative immunology, 108, 103668-103668 (2020-03-08)
Catecholamines (CAs) play critical roles in regulating physiological and immunological homeostasis in invertebrates and vertebrates under stressful environments. DOPA decarboxylase (DDC), an enzyme responsible for the decarboxylation step of dopamine synthesis, participates in neurotransmitter metabolism and innate immunity. In shrimp
Kentaro Tsuji-Naito et al.
Bioorganic & medicinal chemistry, 15(5), 1967-1975 (2007-01-16)
Sodium zinc dihydrolipoylhistidinate (DHLHZn) is a compound of Zn(2+)/dihydrolipoic acid derivate complex, which was developed for cosmetic/medical use. To characterize DHLHZn as a novel skin-lightening agent, inhibitory actions of DHLHZn on tyrosinase (including its reaction pathway) have been elucidated in
Katrin M Hinz et al.
Molecular endocrinology (Baltimore, Md.), 29(6), 933-942 (2015-05-07)
Thyroid hormones (THs) are transported across cell membranes by different transmembrane transporter proteins. In previous studies, we showed marked 3,3'-diiodothyronine (3,3'-T2) but moderate T3 uptake by the L-type amino acid transporter 2 (Lat2). We have now studied the structure-function relationships
Malk Eun Pak et al.
The journals of gerontology. Series A, Biological sciences and medical sciences, 75(4), 712-721 (2019-10-24)
Parkinson's disease (PD) is characterized by dopaminergic neuron loss in the substantia nigra. However, specific sensory stimulation via electroacupuncture (EA) therapy may attenuate this loss by promoting the expression of endogenous neurotrophic factors in a manner similar to physical therapy.
Sarah Ghamrawi et al.
PloS one, 9(6), e100290-e100290 (2014-06-21)
Progress in extending the life expectancy of cystic fibrosis (CF) patients remains jeopardized by the increasing incidence of fungal respiratory infections. Pseudallescheria boydii (P. boydii), an emerging pathogen of humans, is a filamentous fungus frequently isolated from the respiratory secretions
Alessio Innocenti et al.
Bioorganic & medicinal chemistry letters, 19(13), 3430-3433 (2009-05-26)
An activation study of the membrane-associated carbonic anhydrase (CA, EC 4.2.1.1) isoform XV with a series of natural and non-natural amino acids and aromatic/heterocyclic amines is reported. Murine CA XV was strongly activated by some amino acids (d-Phe, l-/d-DOPA, d-Trp
Zhichao Liu et al.
PLoS computational biology, 7(12), e1002310-e1002310 (2011-12-24)
Drug-induced liver injury (DILI) is a significant concern in drug development due to the poor concordance between preclinical and clinical findings of liver toxicity. We hypothesized that the DILI types (hepatotoxic side effects) seen in the clinic can be translated
Yan Zhao et al.
Biomaterials, 68, 54-66 (2015-08-13)
Lipid-calcium-phosphate nanoparticle (NP) delivery of Trp2 peptide vaccine is one of the most effective vaccine strategies against melanoma. However, due to the immunosuppressive microenvironment in the tumor, the achievement of potent immune responses remains a major challenge. NP delivery systems
Jian-ping Jia et al.
Chinese medical journal, 117(8), 1161-1164 (2004-09-14)
An important aspect of Alzheimer's disease (AD) is loss or impairment of cholinergic neurons. It is controversial whether there is a similar cholinergic impairment and cerebral deficit of acetylcholine (ACh) in the case of vascular dementia (VD). The purpose of
Hyung Ho Yoon et al.
Journal of Korean medical science, 29(11), 1555-1561 (2014-11-20)
A double toxin-double lesion strategy is well-known to generate a rat model of striatonigral degeneration (SND) such as multiple system atrophy-parkinsonian type. However, with this model it is difficult to distinguish SND from Parkinson's disease (PD). In this study, we
Andrey A Parkhitko et al.
eLife, 9 (2020-12-16)
Aging is characterized by extensive metabolic reprogramming. To identify metabolic pathways associated with aging, we analyzed age-dependent changes in the metabolomes of long-lived Drosophila melanogaster. Among the metabolites that changed, levels of tyrosine were increased with age in long-lived flies.
Brett A Beaupre et al.
Archives of biochemistry and biophysics, 579, 62-66 (2015-06-07)
It is widely accepted that the function of human renalase is to oxidize catecholamines in blood. However, this belief is based on experiments that did not account for slow, facile catecholamine autoxidation reactions. Recent evidence has shown that renalase has
Jiun-Han Chen et al.
BioMed research international, 2014, 695797-695797 (2014-09-25)
The purpose of this study was to investigate if PPARγ plays a role in the melanogenesis. B16/F10 cells were divided into five groups: control, melanin stimulating hormone (α-MSH), α-MSH+retinol, α-MSH+GW9662 (PPARγ antagonist), and GW9662. Cells in the control group were
M Chalimoniuk et al.
Polish journal of pharmacology, 56(5), 647-650 (2004-12-14)
The aim of our study was to investigate serum cGMP level in patients treated with L-DOPA alone and L-DOPA with pergolide mesylate (PM) and to compare the obtained values with age-matched healthy subjects. PD patients treated with L-DOPA or with
Olaf Y Wouters et al.
Tissue engineering. Part C, Methods, 22(2), 91-101 (2016-01-19)
Cells acquire mechanical information from their surrounding and convert this into biochemical activity. The concept and mechanism behind this cellular mechanosensing and mechanotransduction are often studied by means of two-dimensional hydrogels. Polyacrylamide hydrogels (PAAMs) offer chemical, mechanical, and optical advantages
Oliver Clewes et al.
Stem cell reviews and reports, 7(4), 799-814 (2011-04-02)
Here we describe the isolation, characterisation and ex-vivo expansion of human epidermal neural crest stem cells (hEPI-NCSC) and we provide protocols for their directed differentiation into osteocytes and melanocytes. hEPI-NCSC are neural crest-derived multipotent stem cells that persist into adulthood
Tanya Chotibut et al.
Molecular pharmacology, 86(6), 675-685 (2014-09-12)
Pharmacological dopamine (DA) replacement with Levodopa [L-dihydroxyphenylalanine (L-DOPA)] is the gold standard treatment of Parkinson's disease (PD). However, long-term L-DOPA treatment is complicated by eventual debilitating abnormal involuntary movements termed L-DOPA-induced dyskinesia (LID), a clinically significant obstacle for the majority
Daniela Vullo et al.
Bioorganic & medicinal chemistry letters, 18(15), 4303-4307 (2008-07-17)
An activation study of the human carbonic anhydrase (hCA, EC 4.2.1.1) isoforms hCA III (cytosolic) and IV (membrane-associated) with a series of natural and non-natural amino acids and aromatic/heterocyclic amines is reported. hCA III was efficiently activated by d-His, serotonin
Dong-Yu Gao et al.
Biomaterials, 67, 194-203 (2015-07-29)
Sorafenib, a multikinase inhibitor, has been used as an anti-angiogenic agent against highly vascular hepatocellular carcinoma (HCC) - yet associated with only moderate therapeutic effect and the high incidence of HCC recurrence. We have shown intratumoral hypoxia induced by sorafenib
J P Neves Silva et al.
Biochimica et biophysica acta, 1838(10), 2555-2567 (2014-07-01)
Dioctadecyldimethylammonium bromide (DODAB):Monoolein (MO) lipoplexes have mainly been studied within the range of high molar ratios of DODAB, with noticeable transfection efficiencies in the Human Embryonic Kidney (HEK, a.k.a. 293T) cell line. In this work, we intend to study the
Kyong-Suk Jin et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 68, 38-43 (2014-03-19)
Previously, betulinic acid was identified as one of the main compounds responsible for the anti-melanogenic effect in Vitis amurensis root. In this study, we investigated the precise mechanism underlying the anti-melanogenic activity of betulinic acid in B16F10 cells. Betulinic acid
Juxiang Cao et al.
The Journal of clinical investigation, 127(1), 349-364 (2016-12-06)
Tuberous sclerosis complex (TSC) is an autosomal dominant tumor-suppressor gene syndrome caused by inactivating mutations in either TSC1 or TSC2, and the TSC protein complex is an essential regulator of mTOR complex 1 (mTORC1). Patients with TSC develop hypomelanotic macules
J-M Serot et al.
Journal of neurology, neurosurgery, and psychiatry, 76(11), 1585-1587 (2005-10-18)
Homocysteine may be involved in the pathogenesis of late onset Alzheimer's disease. It is implicated in the metabolism of several important pathways in the brain. Methylmalonic acid (MMA) is related to the metabolism of branched chained amino acids and fatty
Digvijay G Rana et al.
Canadian journal of physiology and pharmacology, 92(12), 985-992 (2014-11-13)
We have investigated the influence of dopaminergic agents on the expression of brain-derived neurotrophic factor (BDNF) gene in relation with lipid levels in chronic mild stress (CMS). Mice subjected to CMS were treated with simvastatin (10 mg/kg, per os (orally))
Hakki Mevlut Ozcan et al.
Artificial cells, nanomedicine, and biotechnology, 42(4), 256-261 (2013-02-01)
In this study, a novel fresh broad (Vicia faba) tissue homogenate-based biosensor for determination of phenolic compounds was developed. The biosensor was constructed by immobilizing tissue homogenate of fresh broad (Vicia faba) on to glassy carbon electrode. For the stability
Kate Thomson et al.
Scientific reports, 10(1), 13242-13242 (2020-08-09)
Animal models have demonstrated a link between dysregulation of the retinal dopamine system and the development of myopia (short-sightedness). We have previously demonstrated that topical application of levodopa in chicks can inhibit the development of form-deprivation myopia (FDM) in a
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