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https://www.readbyqxmd.com/read/29661827/oral-nahco-3-activates-a-splenic-anti-inflammatory-pathway-evidence-that-cholinergic-signals-are-transmitted-via-mesothelial-cells
#1
Sarah C Ray, Babak Baban, Matthew A Tucker, Alec J Seaton, Kyu Chul Chang, Elinor C Mannon, Jingping Sun, Bansari Patel, Katie Wilson, Jacqueline B Musall, Hiram Ocasio, Debra Irsik, Jessica A Filosa, Jennifer C Sullivan, Brendan Marshall, Ryan A Harris, Paul M O'Connor
We tested the hypothesis that oral NaHCO3 intake stimulates splenic anti-inflammatory pathways. Following oral NaHCO3 loading, macrophage polarization was shifted from predominantly M1 (inflammatory) to M2 (regulatory) phenotypes, and FOXP3+ CD4+ T-lymphocytes increased in the spleen, blood, and kidneys of rats. Similar anti-inflammatory changes in macrophage polarization were observed in the blood of human subjects following NaHCO3 ingestion. Surprisingly, we found that gentle manipulation to visualize the spleen at midline during surgical laparotomy (sham splenectomy) was sufficient to abolish the response in rats and resulted in hypertrophy/hyperplasia of the capsular mesothelial cells...
April 16, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29626276/immunohistochemistry-in-diagnostic-parathyroid-pathology
#2
REVIEW
Lori A Erickson, Ozgur Mete
Pathologists are usually readily able to diagnose parathyroid tissues and diseases, particularly when they have knowledge of the clinical information, laboratory findings, and radiographic imaging studies. However, the identification of parathyroid tissue or lesions can be difficult in small biopsies, ectopic locations, supranumerary glands, and in some oxyphil/oncocytic lesions. Widely available immunohistochemical studies such as chromogranin-A, synaptophysin, keratin, parathyroid hormone, thyroglobulin, and thyroid transcription factor-1 can help in difficult cases...
April 7, 2018: Endocrine Pathology
https://www.readbyqxmd.com/read/29588250/a-novel-role-for-lymphotactin-xcl1-signaling-in-the-nervous-system-xcl1-acts-via-its-receptor-xcr1-to-increase-trigeminal-neuronal-excitability
#3
Emma V Bird, Tommaso Iannitti, Claire R Christmas, Ilona Obara, Veselin I Andreev, Anne E King, Fiona M Boissonade
Chemokines are known to have a role in the nervous system, influencing a range of processes including the development of chronic pain. To date there are very few studies describing the functions of the chemokine lymphotactin (XCL1) or its receptor (XCR1) in the nervous system. We investigated the role of the XCL1-XCR1 axis in nociceptive processing, using a combination of immunohistochemical, pharmacological and electrophysiological techniques. Expression of XCR1 in the rat mental nerve was elevated 3 days following chronic constriction injury (CCI), compared with 11 days post-CCI and sham controls...
March 26, 2018: Neuroscience
https://www.readbyqxmd.com/read/29550279/recovery-of-the-sub-basal-nerve-plexus-and-superficial-nerve-terminals-after-corneal-epithelial-injury-in-mice
#4
Laura E Downie, Cecilia Naranjo Golborne, Merry Chen, Ngoc Ho, Cam Hoac, Dasun Liyanapathirana, Carol Luo, Ruo Bing Wu, Holly R Chinnery
Our aim was to compare regeneration of the sub-basal nerve plexus (SBNP) and superficial nerve terminals (SNT) following corneal epithelial injury. We also sought to compare agreement when quantifying nerve parameters using different image-analysis techniques. Anesthetized, female C57BL/6 mice received central 1-mm corneal epithelial abrasions. Four-weeks post-injury, eyes were enucleated and processed for PGP9.5 to visualize the corneal nerves using wholemount immunofluorescence staining and confocal microscopy...
March 14, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29488287/electro-acupuncture-at-st37-and-st25-induce-different-effects-on-colonic-motility-via-the-enteric-nervous-system-by-affecting-excitatory-and-inhibitory-neurons
#5
C Liang, K-Y Wang, M-R Gong, Q Li, Z Yu, B Xu
BACKGROUND: On the basis of the importance of the enteric nervous system (ENS) in gastrointestinal motility, we hypothesized that the ENS may mediate the therapeutic efficacy of electro-acupuncture (EA) in constipation by regulating the mechanisms underlying the effects of EA on gastrointestinal function. METHODS: Model mice with constipation were generated by gastric instillation of 0-4°C normal saline. Defecation time and stool (form and wet and dry weight) were assessed...
February 28, 2018: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/29453855/nerve-reinnervation-and-itch-behaviour-in-a-rat-burn-wound-model
#6
Tiam M Saffari, Barthold N Schüttenhelm, Johan W van Neck, Jan C Holstege
In this study, we investigated whether post-burn itch in rats, after a full thickness burn, is correlated to the nervous reinnervation of the burn wound area. For this purpose, we determined scratching duration (expressed as sec/hr) at 24 hours, 2, 4, 8 and 12 weeks post-burn and combined this with immunohistochemistry for protein gene product 9.5 (PGP9.5) to identify all nerve fibers, calcitonin gene related peptide (CGRP) to identify peptidergic fibers, tyrosine hydroxylase (TH) for sympathetic fibers and growth-associated protein 43 (GAP-43) for regrowing fibers...
February 17, 2018: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29436714/gch1-attenuates-cardiac-autonomic-nervous-remodeling-in-canines-with-atrial-tachypacing-via-tetrahydrobiopterin-pathway-regulated-by-microrna-206
#7
Jinqiu Wei, Yujiao Zhang, Zhan Li, Ximin Wang, Linlin Chen, Juanjuan Du, Jing Liu, Ju Liu, Yinglong Hou
BACKGROUND/AIMS: Cardiac autonomic nerve remodeling (ANR) is an important mechanism of atrial fibrillation (AF).GTP cyclohydrolase I (GTPCH-1), encoded by GCH1, is the rate-limiting enzyme in de novosynthesis of tetrahydrobiopterin (BH4), an essential cofactor for nitric oxide (NO) synthesis. Previous studies reported that increased BH4 and NO content negatively regulated nerve regeneration. This study investigated effects of GCH1on ANR via BH4 pathway, regulated by microRNA-206 (miR-206)...
February 13, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29432726/co-expression-of-vasoactive-intestinal-peptide-and-protein-gene-product-9-5-surrounding-the-lumen-of-human-schlemm-s-canal
#8
Pingting Ji, Liwen Chen, Jieling Gong, Yuxiang Yuan, Mu Li, Yin Zhao, Hong Zhang
Previous studies of aqueous humor outflow have focused primarily on resistance at the trabecular meshwork (TM), and little is known about the function of Schlemm's canal (SC). Here, we aimed to investigate whether SC is innervated by the peripheral nervous system. Ten eye specimens from eight donors were processed for histological analysis. CD31 was used to identify SC, after which we used protein gene product (PGP) 9.5 as a marker to detect nerve fibers around SC. We then characterized the nerves by double staining for PGP9...
February 9, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29358881/increased-intestinal-mucosal-leptin-levels-in-patients-with-diarrhea-predominant-irritable-bowel-syndrome
#9
De-Rong Liu, Xiao-Juan Xu, Shu-Kun Yao
AIM: To measure the leptin levels in patients with diarrhea-predominant irritable bowel syndrome (IBS-D) and analyze the relationship of leptin with clinical features, visceral sensitivity, mast cells, and nerve fibers. METHODS: Forty-two patients with IBS-D fulfilling the Rome III criteria and 20 age- and sex-matched healthy controls underwent clinical and psychological evaluations using validated questionnaires (including IBS Symptom Severity Scale, IBS-specific Quality of Life, Hamilton Anxiety Scale, and Hamilton Depression Scale), along with colonoscopy, colonic mucosal biopsy, and visceral sensitivity testing...
January 7, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29356386/significance-of-tumor-associated-autoantibodies-in-the-early-diagnosis-of-lung-cancer
#10
Qiang Du, Ruofei Yu, Han Wang, Dong Yan, Qi Yuan, Yixin Ma, Dennis Slamon, Dongmei Hou, Huiling Wang, Qi Wang
OBJECTIVES: Autoantibodies tumor-associated antigens (TAAs) could be a valuable tool for the diagnosis or early detection of cancer due to their relatively high specificity and stability. The purpose of this study is to detect the level of tumor-associated autoantibodies in lung cancer and assess the diagnostic potential of autoantibodies in screening strategy for early stage lung cancer. MATERIALS AND METHODS: Levels of tumor-associated autoantibodies (AAbs) were measured against a panel of seven TAAs (p53, PGP9...
January 22, 2018: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29338902/stage-specific-expression-of-ddx4-and-c-kit-at-different-developmental-stages-of-the-porcine-testis
#11
Ran Lee, Won-Young Lee, Hyun-Jung Park, Woo-Tae Ha, Jae-Seok Woo, Hak-Jae Chung, Ji-Heon Lee, Kwonho Hong, Hyuk Song
Spermatogenesis begins with spermatogonial stem cells (SSCs), which are located in the basement membrane of the adult testes. Previous studies have described specific biomarkers for undifferentiated porcine spermatogonia or SSCs; however, these markers are not sufficient to understand spermatogenesis at different developmental stages. The objective of this study was characterize the expression of DEAD-Box polypeptide 4 (DDX4, also known as VASA) and tyrosine-protein kinase kit (c-kit), as potential markers of male germ cells in the porcine testis...
March 2018: Animal Reproduction Science
https://www.readbyqxmd.com/read/29329562/granular-cell-tumors-of-the-tongue-fibroma-or-schwannoma
#12
Atsushi Musha, Masaru Ogawa, Satoshi Yokoo
BACKGROUND: Granular cell tumors are benign lesions that typically occur in the oral cavity, but can also be found in other sites. However, the characteristics of these tumors are unclear. Thus, the present study aimed to investigate the immunohistological characteristics of these tumors of the tongue. METHODS: Seven patients were treated for granular cell tumors of the tongue at our institution during 2003-2017. Paraffin-embedded specimens were available for all cases; thus, retrospective immunohistochemical analyses were performed...
January 3, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29190116/alarmins-in-frozen-shoulder-a-molecular-association-between-inflammation-and-pain
#13
Jonathon Z B Cher, Moeed Akbar, Susan Kitson, Lindsay A N Crowe, Emma Garcia-Melchor, Stephen C Hannah, Michael McLean, Umberto G Fazzi, Shauna C Kerr, George A C Murrell, Neal L Millar
BACKGROUND: The pathophysiological mechanisms behind proliferation of fibroblasts and deposition of dense collagen matrix in idiopathic frozen shoulder remain unclear. Alarmins (also known as danger signals) are endogenous molecules that are released into the extracellular milieu after infection or tissue injury and that signal cell and tissue damage. PURPOSE: To investigate whether the presence of alarmins is higher in patients with idiopathic frozen shoulder than in control subjects...
March 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29155208/inflammatory-renin-angiotensin-system-disruption-attenuates-sensory-hyperinnervation-and-mechanical-hypersensitivity-in-a-rat-model-of-provoked-vestibulodynia
#14
Anuradha Chakrabarty, Zhaohui Liao, Ying Mu, Peter G Smith
Vestibulodynia is characterized by perivaginal mechanical hypersensitivity, hyperinnervation, and abundant inflammatory cells expressing renin-angiotensin system proteins. We developed a tractable rat model of vestibulodynia to further assess the contributions of the renin-angiotensin system. Complete Freund's adjuvant injected into the posterior vestibule induced marked vestibular hypersensitivity throughout a 7-day test period. Numbers of axons immunoreactive for PGP9.5, calcitonin gene-related peptide, and GFRα2 were increased...
March 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29080080/ubiquitin-carboxyl-terminal-hydrolases-involvement-in-cancer-progression-and-clinical-implications
#15
Ying Fang, Xizhong Shen
Protein ubiquitination and deubiquitination participate in a number of biological processes, including cell growth, differentiation, transcriptional regulation, and oncogenesis. Ubiquitin C-terminal hydrolases (UCHs), a subfamily of deubiquitinating enzymes (DUBs), includes four members: UCH-L1/PGP9.5 (protein gene product 9.5), UCH-L3, UCHL5/UCH37, and BRCA1-associated protein-1 (BAP1). Recently, more attention has been paid to the relationship between the UCH family and malignancies, which play different roles in the progression of different tumors...
December 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/29053899/peptidergic-nerve-fibers-in-the-urethra-morphological-and-neurochemical-characteristics-in-female-mice-of-reproductive-age
#16
Christine M Barry, Esther Ji, Harman Sharma, Pauline Yap, Nicholas J Spencer, Dusan Matusica, Rainer V Haberberger
BACKGROUND: Peptidergic nerve fibers provide important contributions to urethral function. Urethral innervation of female mice is not well documented. AIMS: To determine the distribution and projection sites of nerve fibers immunoreactive for vasoactive intestinal peptide (VIP), calcitonin gene-related peptide (CGRP), substance P (SP), and neuropeptide Y (NPY) in the urethra of wild-type control mice and compare innervation characteristics between the proximal and distal urethra of young nullipara and older multipara mice...
October 20, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29052170/the-histopathological-evaluation-of-small-fiber-neuropathy-in-patients-with-vitamin-b12-deficiency
#17
Hafize Nalan Güneş, Can Ebru Bekircan-Kurt, Ersin Tan, Sevim Erdem-Özdamar
Small fiber neuropathy (SFN), due to loss of A-delta and unmyelinated C fibers, is a cause of neuropathic pain. Although the patients with vitamin B12 deficiency are included in SFN studies in the literature, there is no histopathological study investigating the small fiber loss solely in patients with vitamin B12 deficiency. In this pilot study, we aim to demonstrate the intraepidermal nerve fiber density (IENFD) in skin punch biopsy of patients with vitamin B12 deficiency. Ten patients with vitamin B12 deficiency suffering from neuropathic pain and as control group ten patients with vitamin B12 deficiency without neuropathic pain were included...
October 19, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/29046703/dose-dependent-effects-of-busulfan-on-dog-testes-in-preparation-for-spermatogonial-stem-cell-transplantation
#18
Tai-Young Hur, Seung-Hoon Lee, Sun-A Ock, Hyuk Song, Hyun-Jung Park, Ran Lee, Si-Heung Sung, Hyunjhung Jhun, Won-Young Lee
Successful male germ cell transplantation requires depletion of the host germ cells to allow efficient colonization of the donor spermatogonial stem cells. Although a sterilizing drug, busulfan, is commonly used for the preparation of recipient models before transplantation, the optimal dose of this drug has not yet been defined in dogs. In this study, 1-year-old mongrel dogs were intravenously injected with three different concentrations of busulfan (10, 15, or 17.5 mg/kg). Four weeks after busulfan treatment, no fully matured spermatozoa were detected in any of the busulfan-treated groups...
September 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/28984997/nlrp3-il-1%C3%AE-mediates-denervation-during-bladder-outlet-obstruction-in-rats
#19
Robin Lütolf, Francis M Hughes, Brian M Inouye, Huixia Jin, Jennifer C McMains, Elena S Pak, Johanna L Hannan, J Todd Purves
AIMS: Denervation of the bladder is a detrimental consequence of bladder outlet obstruction (BOO). We have previously shown that, during BOO, inflammation triggered by the NLRP3 inflammasome in the urothelia mediates physiological bladder dysfunction and downstream fibrosis in rats. The aim of this study was to assess the effect of NLRP3-mediated inflammation on bladder denervation during BOO. METHODS: There were five groups of rats: (i) Control (no surgery); (ii) Sham-operated; (iii) BOO rats given vehicle; (iv) BOO rats given the NLRP3 inhibitor glyburide; and (v) BOO rats given the IL-1 receptor antagonist anakinra...
October 6, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28982519/nanos2-is-a-molecular-marker-of-inchoate-buffalo-spermatogonia
#20
Meng-Qi Li, Ao-Lin Luo, Peng-Wei Zhao, Ting-Ting Li, Shuang-Shuang Geng, Xing-Wei Liang, Hui-Yan Xu, Yang-Qing Lu, Sheng-Sheng Lu, Xiao-Gan Yang, Ke-Huan Lu
Nanos2 belongs to the Nanos gene-coding family and is an important RNA-binding protein that has been shown to have essential roles in male germline stem cells development and self-renewal in mouse. However, little is known about Nanos2 in inchoate buffalo spermatogonia. Here, rapid-amplification of cDNA ends (RACE) was used to obtain the full-length buffalo Nanos2 sequence and bioinformatic analysis revealed a highly conserved Nanos2 sequence between buffalo and other mammalian species. Although Nanos2 was expressed in various tissues, the highest mRNA expression levels were found in testes tissue...
November 2017: Animal Reproduction Science
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