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Adult onset type II

Randall J Harley, Joseph P Murdy, Zhirong Wang, Michael C Kelly, Tessa-Jonne F Ropp, SeHoon H Park, Patricia F Maness, Paul B Manis, Thomas M Coate
BACKGROUND: In the cochlea, auditory development depends on precise patterns of innervation by afferent and efferent nerve fibers, as well as a stereotyped arrangement of hair and supporting cells. NrCAM is a homophilic cell adhesion molecule that controls diverse aspects of nervous system development, but the function of NrCAM in cochlear development is not well understood. RESULTS: Throughout cochlear innervation, NrCAM is detectable on spiral ganglion neuron (SGN) afferent and olivocochlear efferent fibers, and on the membranes of developing hair and supporting cells...
March 14, 2018: Developmental Dynamics: An Official Publication of the American Association of Anatomists
Ryuji Komine, Keisuke Minamimura, Akihiro Watanabe, Atushi Shimizu, Kazuhiko Mori, Toru Hirata, Takashi Kobayashi, Sotaro Akatsuka
BACKGROUND: Adult-onset type II citurullinemia is an autosomal recessive disorder characterized by recurrent encephalopathy with hyperammonemia resulting from high plasma citrulline and ammonium levels. This report describes a rare case of adult-onset type II citurullinemia that occurred in a patient who only had the heterozygote mutation, and had never presented with any symptoms before surgery. CASE PRESENTATION: A 56-year-old man underwent a total gastrectomy for stomach cancer...
January 25, 2018: Surgical Case Reports
Iben Katinka Greiber, Casper P Hagen, Alexander Siegfried Busch, Mikkel G Mieritz, Lise Aksglaede, Katharina M Main, Kristian Almstrup, Anders Juul
OBJECTIVE: Fetal Anti-Müllerian hormone (AMH) is responsible for normal male sexual differentiation and circulating AMH is used as a marker of testicular tissue in newborns with Disorders of Sex Development. Little is known about the mechanism of action in postnatal life. A recent genome wide association study (GWAS) reported genetic variation of AMH affecting AMH levels in young men. This study investigated the effect of genetic variation of AMH and AMH type II receptor(AMHR2) (AMHrs10407022 T>G and AMHR2rs11170547 C>T) on circulating reproductive hormone levels and pubertal onset in boys and girls...
January 22, 2018: Endocrine Connections
Analaura Centenaro, Elis F Pedrollo, Bruna B Nicoletto, Roberto C Manfro, Luiz Felipe S Gonçalves, Cristiane B Leitão, Gabriela C Souza
OBJECTIVE: To verify the association of dietary patterns and dietary components with new-onset diabetes mellitus after transplantation (NODAT). DESIGN: Cross-sectional study. SUBJECTS: Adult kidney transplant recipients, without history of diabetes before transplantation, who received a kidney transplant and were followed up for at least 1 year. One hundred and sixteen subjects recruited between January 2013 and August 2014. Diagnosis of NODAT was established according to the American Diabetes Association criteria for type 2 diabetes...
March 2018: Journal of Renal Nutrition
Kayly M Lembke, David B Morton
Amyotrophic lateral sclerosis (ALS) is the most common adult onset motor neurodegenerative disease. The cause of the disease remains obscure, and as such there is no effective treatment or cure. Amyotrophic lateral sclerosis and other neurodegenerative diseases are frequently characterized by dysfunction of the RNA-binding protein, TDP-43. Using model systems to understand the mechanisms underlying TDP-43 dysfunction should accelerate identification of therapeutic targets. A recent report has shown that motor defects caused by the deletion of the Drosophila TDP-43 ortholog, tbph , are not driven by changes in the physiology at the neuromuscular junction...
2017: Journal of Experimental Neuroscience
Monica Napolitano, Luigi Lembo, Luca Fania, Damiano Abeni, Dario Didona, Biagio Didona
Pityriasis rubra pilaris (PRP) is a rare, chronic, inflammatory skin disease of unknown etiology. Patients refractory to conventional therapies have been treated successfully with biologic drugs such as anti-tumor necrosis factor agents. Recently, a role of the interleukin-23/T-helper 17 axis in PRP has been described. Our objective was to assess the effectiveness of ustekinumab in five patients with adult-onset PRP refractory to conventional therapies. In the present study, four patients had type I and one patient type II adult-onset PRP...
October 28, 2017: Journal of Dermatology
Jingjing Sherry Wu, Pankhuri Vyas, Elisabeth Glowatzki, Paul Albert Fuchs
Type II spiral ganglion neurons (SGNs) are small caliber, unmyelinated afferents that extend dendritic arbors hundreds of microns along the cochlear spiral, contacting many outer hair cells (OHCs). Despite these many contacts, type II afferents are insensitive to sound and only weakly depolarized by glutamate release from OHCs. Recent studies suggest that type II afferents may be cochlear nociceptors, and can be excited by ATP released during tissue damage, by analogy to somatic pain-sensing C-fibers. The present work compares the expression patterns among cochlear type II afferents of two genes found in C-fibers: calcitonin-related polypeptide alpha (Calca/Cgrpα), specific to pain-sensing C-fibers, and tyrosine hydroxylase (Th), specific to low-threshold mechanoreceptive C-fibers, which was shown previously to be a selective biomarker of type II versus type I cochlear afferents (Vyas et al...
October 21, 2017: Journal of Comparative Neurology
Ikuko Nishio, Masami Chujo
BACKGROUND: The purpose of this study was to examine the stigma and coping strategies of patients with type 1 diabetes. METHODS: Data were collected from 24 adult patients with type 1 diabetes via in-depth semi-structured interviews that took place in clinic waiting rooms. Qualitative and descriptive data analysis was conducted to identify stigma and coping strategies of patients with type 1 diabetes. RESULTS: Stigma of patients with type 1 diabetes consisted of four categories: (i) "hatred of insulin" due to a treatment-oriented lifestyle after the onset of the disease, (ii) "imperfect body" due to systemic changes caused by the disease, (iii) "social outcast" as a diabetes patient who used to be healthy, and (iv) "poor me," a negative self-image due to the responses and attitudes of others...
September 2017: Yonago Acta Medica
Leslie A Hulvershorn, Jennifer King, Patrick O Monahan, Holly C Wilcox, Philip B Mitchell, Janice M Fullerton, Howard J Edenberg, Gloria M P Roberts, Masoud Kamali, Anne L Glowinski, Neera Ghaziuddin, Melvin McInnis, Priya A Iyer-Eimerbrink, John I Nurnberger
BACKGROUND: Adults with bipolar disorder (BD) have higher rates of substance use disorders (SUDs) compared to the general population. SUD rates in young offspring/relatives of BD probands, as well as factors which drive those rates, are not as well-characterized. METHODS: We aimed to examine SUD prevalence among adolescent/young adult offspring and relatives of probands with and without BD. Data were collected from five sites in the US and Australia during 2006-2011...
October 2017: Comprehensive Psychiatry
Jason M Spaeth, Manisha Gupte, Mark Perelis, Yu-Ping Yang, Holly Cyphert, Shuangli Guo, Jin-Hua Liu, Min Guo, Joseph Bass, Mark A Magnuson, Christopher Wright, Roland Stein
The transcription factor encoded by the Pdx1 gene is a critical transcriptional regulator, as it has fundamental actions in the formation of all pancreatic cell types, islet β-cell development, and adult islet β-cell function. Transgenic- and cell line-based experiments have identified 5'-flanking conserved sequences that control pancreatic and β-cell type-specific transcription, which are found within areas I (bp -2694 to -2561), II (bp -2139 to -1958), III (bp -1879 to -1799), and IV (bp -6200 to -5670)...
November 2017: Diabetes
Sara Pinto, Carolina Cunha, Marta Barbosa, Ana R Vaz, Dora Brites
Amyotrophic lateral sclerosis (ALS) is a fatal adult-onset neurodegenerative disorder affecting motor neurons (MNs). Evidences indicate that ALS is a non-cell autonomous disease in which glial cells participate in both disease onset and progression. Exosomal transfer of mutant copper-zinc superoxide dismutase 1 (mSOD1) from cell-to-cell was suggested to contribute to disease dissemination. Data from our group and others showed that exosomes from activated cells contain inflammatory-related microRNAs (inflamma-miRNAs) that recapitulate the donor cell...
2017: Frontiers in Neuroscience
Wafaa S Ramadan, Ghada A Abdel-Hamid, Saleh Al-Karim, Aymn T Abbas
INTRODUCTION: Spinal cord injury (SCI) is a life-disrupting condition in which the first few days are the most critical. Secondary conditions remain the main causes of death for people with SCI. The response of different cell types to SCI and their role at different times in the progression of secondary degeneration are not well understood. The aim of this study was to study the histopathological changes of compressed spinal cord injury (CSCI) in a rat model. MATERIAL AND METHODS: Forty adult male Sprague-Dawley rats were divided into four groups...
2017: Folia Histochemica et Cytobiologica
Hidehiro Ishikawa, Yuichiro Ii, Atsushi Niwa, Keita Matsuura, Masayuki Maeda, Hidekazu Tomimoto
A 55-year-old man with no mental retardation had presented a history of frequent transient clumsiness of his right upper and lower extremities for about 20 years. He was admitted to a general hospital with weakness of right side of the body, and first-ever generalized seizure attack occurred the next day. Brain CT showed calcification in the left cerebral cortices. So he was referred to our hospital. On neurological examination, he had mild clumsiness of his right upper limb and right pyramidal tract sign. He had neither facial port-wine stain nor glaucoma...
May 27, 2017: Rinshō Shinkeigaku, Clinical Neurology
Jorge Luis Ramírez-Molina, Roberta Di Giacomo, Valeria Mariani, Francesco Deleo, Francesco Cardinale, Angélica María Uscátegui-Daccarett, Pablo Lorenzana, Laura Tassi
OBJECTIVE: Focal Cortical Dysplasias (FCDs) represent a common architectural cortical disorder underlying drug-resistant focal epilepsy. So far, studies aimed at evaluating whether age at surgery is a factor influencing surgical outcome are lacking, so that data on the comparison between patients harboring Type II FCD operated at younger age and those operated at adult age are still scarce. We compared presurgical clinical features and surgical outcomes of patients with histopathologically diagnosed Type II FCD undergoing surgery at an earlier age with those operated after 20 years of age...
May 2017: Epilepsy & Behavior: E&B
Larry E Humes, Gary R Kidd, Daniel Fogerty
Purpose: Three experiments examined the use of competing coordinate response measure (CRM) sentences as a multitalker babble. Method: In Experiment I, young adults with normal hearing listened to a CRM target sentence in the presence of 2, 4, or 6 competing CRM sentences with synchronous or asynchronous onsets. In Experiment II, the condition with 6 competing sentences was explored further. Three stimulus conditions (6 talkers saying same sentence, 1 talker producing 6 different sentences, and 6 talkers each saying a different sentence) were evaluated with different methods of presentation...
March 1, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
P Insalaco, E Legrand, B Bouvard, M Audran
The Stickler syndrome (SS) has been described as a "hereditary progressive arthro-ophtalmopathy" by Stickler in 1965, due to mutations on the collagen genes. Currently about 40 different genes have been identified which encode for at least 27 different collagens. The majority of mutations occur in the COL2A1 gene on chromosome 12q13 (SS type I). Mutations in COL11A1 are less frequent (SS type II). More recently, mutations in COL11A2 and in the COL9A1 gene have been reported with particular phenotypes. The main features of this autosomal inherited disease are ocular, auditory with orofacial abnormalities and early-onset osteoarthritis...
March 2017: Morphologie: Bulletin de L'Association des Anatomistes
Koji Nishimura, Teppei Noda, Alain Dabdoub
Primary auditory neurons (PANs) connect cochlear sensory hair cells in the mammalian inner ear to cochlear nucleus neurons in the brainstem. PANs develop from neuroblasts delaminated from the proneurosensory domain of the otocyst and keep maturing until the onset of hearing after birth. There are two types of PANs: type I, which innervate the inner hair cells (IHCs), and type II, which innervate the outer hair cells (OHCs). Glial cells surrounding these neurons originate from neural crest cells and migrate to the spiral ganglion...
2017: PloS One
Hironori Nagasaka, Haruki Komatsu, Ayano Inui, Mariko Nakacho, Ichiro Morioka, Hirokazu Tsukahara, Shunsaku Kaji, Satoshi Hirayama, Takashi Miida, Hiroki Kondou, Kenji Ihara, Mariko Yagi, Zenro Kizaki, Kazuhiko Bessho, Takahiro Kodama, Kazumoto Iijima, Takeyori Saheki, Tohru Yorifuji, Akira Honda
Citrin deficiency causes adult-onset type II citrullinemia (CTLN-2), which later manifests as severe liver steatosis and life-threatening encephalopathy. Long-standing energy deficit of the liver and brain may predispose ones to CTLN-2. Here, we compared the energy-driving tricarboxylic acid (TCA) cycle and fatty acid β-oxidation cycle between 22 citrin-deficient children (age, 3-13years) with normal liver functions and 37 healthy controls (age, 5-13years). TCA cycle analysis showed that basal plasma citrate and α-ketoglutarate levels were significantly higher in the affected than the control group (p<0...
March 2017: Molecular Genetics and Metabolism
Anja Meissner, Jens Minnerup, Guadalupe Soria, Anna M Planas
Hypertension is a main risk factor for the development of cerebral small vessel disease (cSVD) - a major contributor to stroke and the most common cause of vascular dementia. Despite the increasing socioeconomic importance arising from cSVD, currently only a few specific treatment strategies with proven efficacy are known. Fundamental to the lack of specific treatments is poor understanding of the disease pathogenesis and a lack of appropriate animal models resembling all symptoms of the human disease. However, chronic hypertensive rat models have been shown to bear similarities to most key features of cSVD...
February 2017: Journal of Neurochemistry
Akihiko Hasegawa, Tomo Yonezawa, Noboru Taniguchi, Koji Otabe, Yukio Akasaki, Tetsuya Matsukawa, Masahiko Saito, Masashi Neo, Lihua Y Marmorstein, Martin K Lotz
OBJECTIVE: The EFEMP1 gene encoding fibulin 3 is specifically expressed in the superficial zone (SZ) of articular cartilage. The aims of this study were to examine the expression patterns of fibulin 3 in the knee joints during aging and during osteoarthritis (OA) and to determine the role of fibulin 3 in the pathogenesis of OA. METHODS: Immunohistochemical analysis was performed on normal and OA knee cartilage samples from humans and mice. Experimental OA was induced in wild-type and fibulin 3(-/-) mice, and the severity of OA was evaluated by histologic scoring...
March 2017: Arthritis & Rheumatology
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