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Salivary proteomics

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https://www.readbyqxmd.com/read/28442446/proteomic-and-transcriptomic-analysis-of-saliva-components-from-the-hematophagous-reduviid-triatoma-pallidipennis
#1
María J Hernández-Vargas, Jeovanis Gil, Luis Lozano, Martha Pedraza-Escalona, Ernesto Ortiz, Sergio Encarnación-Guevara, Alejandro Alagón, Gerardo Corzo
Species belonging to the Triatominae subfamily are commonly associated with Chagas disease, as they are potential vectors of the parasite Trypanosoma cruzi. However, their saliva contains a cocktail of diverse anti-hemostatic proteins that prevent blood coagulation, vasodilation and platelet aggregation of blood; components with indisputable therapeutic potential. We performed a transcriptomic and proteomic analyses of salivary glands and protein spots from 2DE gels of milked saliva, respectively, from the Mexican Triatoma pallidipennis...
April 22, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28438560/longitudinal-investigation-of-salivary-proteomic-profiles-in-the-development-of-early-childhood-caries
#2
Shuang Ao, Xiangyu Sun, Xiangru Shi, Xin Huang, Feng Chen, Shuguo Zheng
OBJECTIVES: To investigate differentially expressed salivary peptides in the development of early childhood caries (ECC) in 3-4 year-old children. MATERIALS AND METHODS: Eighty-two caries-free children at baseline were followed-up for 1year, during which period 15 of them had developed ECC (GroupC), whilst another 15 cases out of the 31 individuals who remained healthy were marked as Group H. Stimulated whole saliva samples were collected at 0, 6 and 12 months, and analyzed using weak cation exchange magnetic beads combined with matrix assisted laser desorption/ionization time-of-flight mass spectrometry...
April 21, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28423486/tick-host-conflict-immunoglobulin-e-antibodies-to-tick-proteins-in-patients-with-anaphylaxis-to-tick-bite
#3
Lourdes Mateos-Hernández, Margarita Villar, Angel Moral, Carmen García Rodríguez, Teresa Alfaya Arias, Verónica de la Osa, Francisco Feo Brito, Isabel G Fernández de Mera, Pilar Alberdi, Francisco Ruiz-Fons, Alejandro Cabezas-Cruz, Agustín Estrada-Peña, José de la Fuente
Tick-borne infectious diseases and allergies are a growing problem worldwide. Tick bite allergy has been associated with the direct effect of immunoglobulin E (IgE) response to tick salivary antigens, or secondary to the induction of allergy to red meat consumption through IgE antibodies against the carbohydrate α-Gal (Gal α 1-3Gal β 1-(3)4GlcNAc-R). However, despite the growing burden of this pathology, the proteins associated with anaphylaxis to tick bite have not been characterized. To address this question, a comparative proteomics approach was used to characterize tick proteins producing an IgE antibody response in a healthy individual with record of tick bites, which had not resulted in any allergic reactions, and two patients with anaphylactic reactions to Rhipicephalus bursa or Hyalomma marginatum tick bites...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28421675/proteomic-composition-of-the-acrostyle-novel-approaches-to-identify-cuticular-proteins-involved-in-virus-insect-interactions
#4
Craig Graham Webster, Mäelle Thillier, Elodie Pirolles, Bastien Cayrol, Stéphane Blanc, Marilyne Uzest
The acrostyle is a distinct anatomical region present on the cuticle at the inner face of the common food/salivary canal at the tip of aphid maxillary stylets. This conserved structure is of particular interest as it harbours the protein receptors of at least one plant virus, Cauliflower mosaic virus, and presumably has other roles in plant-insect interactions. Previously we reported immunolabeling of a highly conserved motif of cuticular proteins from the CPR family (named for the presence of a Rebers and Riddiford consensus) within the acrostyle...
April 19, 2017: Insect Science
https://www.readbyqxmd.com/read/28403875/determining-the-presence-of-asthma-related-molecules-and-salivary-contamination-in-exhaled-breath-condensate
#5
Charmion Cruickshank-Quinn, Michael Armstrong, Roger Powell, Joe Gomez, Marc Elie, Nichole Reisdorph
BACKGROUND: Researchers investigating lung diseases, such as asthma, have questioned whether certain compounds previously reported in exhaled breath condensate (EBC) originate from saliva contamination. Moreover, despite its increasing use in 'omics profiling studies, the constituents of EBC remain largely uncharacterized. The present study aims to define the usefulness of EBC in investigating lung disease by comparing EBC, saliva, and saliva-contaminated EBC using targeted and untargeted mass spectrometry and the potential of metabolite loss from adsorption to EBC sample collection tubes...
April 12, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28377572/salivary-gland-maturation-and-duct-formation-in-the-african-malaria-mosquito-anopheles-gambiae
#6
Michael B Wells, Jordan Villamor, Deborah J Andrew
Mosquito-borne diseases cause one million deaths and hundreds of millions of human infections yearly. With all such diseases, the pathogen must traverse the mosquito salivary gland (SG) for transmission to a new host, making the SGs ideal targets for genetic strategies to block transmission. Prior studies have elucidated details of SG structure by light and electron microscopy and have deeply explored the salivary transcriptome and proteome. Very little is known, however, about how the unique functional architecture of mosquito SGs is achieved...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28371361/-identification-of-salivary-protein-biomarkers-for-orthodontically-induced-inflammatory-root-resorption
#7
Karolina Elżbieta Kaczor-Urbanowicz, Omer Deutsch, Batia Zaks, Guy Krief, Stella Chaushu, Aaron Palmon
INTRODUCTION: Orthodontically induced inflammatory root resorption (OIIRR) is one of the most prevalent and unavoidable consequence of orthodontic tooth movement. The aim of this study was to discover potential diagnostic protein biomarkers for detection of OIIRR in whole saliva (WS). METHODS AND MATERIAL: Unstimulated WS was collected from 72 subjects: 48 OIIRR patients and 24 untreated, generally healthy, age and gender matched controls. Radiographic assessment of periapical X-Rays of 4 upper incisors taken before and 9 months after bonding was done...
March 29, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28334389/profiling-diuraphis-noxia-hemiptera-aphididae-transcript-expression-of-the-biotypes-sa1-and-sam-feeding-on-various-triticum-aestivum-varieties
#8
N F V Burger, E Venter, A-M Botha
The intimate relationship between an aphid and its host is mediated by the composition of the secreted saliva. In the present study, aphid heads were sampled and transcript profiling conducted after aphids were fed on their preference host and transferred to a variety of preference and nonpreference hosts. It was found that the virulent Diuraphis noxia (Kurdjumov) (Hemiptera: Aphididae) biotype SAM was able to selectively up-regulate more transcripts when confronted with feeding on a variety of hosts, than was the case with the less virulent D...
April 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28282148/alterations-in-the-salivary-proteome-and-n-glycome-of-sj%C3%A3-gren-s-syndrome-patients
#9
Steven C Hall, Maria E Hassis, Katherine E Williams, Matthew E Albertolle, Akraporn Prakobphol, Andrew B Dykstra, Megan Laurance, Katherine Ona, Richard K Niles, Namrata Prasad, Matthew Gormley, Caroline Shiboski, Lindsey A Criswell, H Ewa Witkowska, Susan J Fisher
We used isobaric mass tagging (iTRAQ) and lectin affinity capture mass spectrometry (MS)-based workflows for global analyses of parotid saliva (PS) and whole saliva (WS) samples obtained from patients diagnosed with primary Sjögren's Syndrome (pSS) who were enrolled in the Sjögren's International Collaborative Clinical Alliance (SICCA) as compared with two control groups. The iTRAQ analyses revealed up- and down-regulation of numerous proteins that could be involved in the disease process (e.g., histones) or attempts to mitigate the ensuing damage (e...
March 24, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28271980/mosquito-borne-diseases-and-omics-salivary-gland-proteome-of-the-female-aedes-aegypti-mosquito
#10
Rakhi Dhawan, Manish Kumar, Ajeet Kumar Mohanty, Gourav Dey, Jayshree Advani, T S Keshava Prasad, Ashwani Kumar
The female Aedes aegypti mosquito is an important vector for several tropical and subtropical diseases such as dengue, chikungunya, and Zika and yellow fever. The disease viruses infect the mosquito and subsequently spread to the salivary glands after which the viruses can be transmitted to humans with probing or feeding by the mosquito. Omics systems sciences offer the opportunity to characterize vectors and can inform disease surveillance, vector control and development of innovative diagnostics, personalized medicines, vaccines, and insecticide targets...
January 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28249646/chromosomal-abnormalities-and-molecular-landscape-of-metastasizing-mucinous-salivary-adenocarcinoma
#11
Alex Panaccione, Yi Zhang, Yanfang Mi, Yoshitsugu Mitani, Guo Yan, Manju L Prasad, W Hayes McDonald, Adel K El-Naggar, Wendell G Yarbrough, Sergey V Ivanov
BACKGROUND: Mucinous adenocarcinoma of the salivary gland (MAC) is a lethal cancer with unknown molecular etiology and a high propensity to lymph node metastasis. Mostly due to its orphan status, MAC remains one of the least explored cancers that lacks cell lines and mouse models that could help translational and pre-clinical studies. Surgery with or without radiation remains the only treatment modality but poor overall survival (10-year, 44%) underscores the urgent need for mechanism-based therapies...
March 2017: Oral Oncology
https://www.readbyqxmd.com/read/28248250/advances-of-salivary-proteomics-in-oral-squamous-cell-carcinoma-oscc-detection-an-update
#12
REVIEW
Rabia Sannam Khan, Zohaib Khurshid, Shazia Akhbar, Syed Faraz Moin
Oral cancer refers to malignancies that have higher morbidity and mortality rates due to the late stage diagnosis and no early detection of a reliable diagnostic marker, while oral squamous cell carcinoma (OSCC) is amongst the world's top ten most common cancers. Diagnosis of cancer requires highly sensitive and specific diagnostic tools which can support untraceable hidden sites of OSCC, yet to be unleashed, for which plenty of biomarkers are identified; the most recommended biomarker detection medium for OSCC includes biological fluids, such as blood and saliva...
December 15, 2016: Proteomes
https://www.readbyqxmd.com/read/28236856/could-mucin-16-and-colony-stimulating-factor-2-receptor-beta-possible-graft-versus-host-disease-biomarkers-medical-hypotheses
#13
Milena Monteiro de Souza, Fabiana Martins de Paula, Ricardo Hsieh, Maria Cristina Martins Almeida Macedo, Marcelo Andreetta Corral, Thaís Borguezan Nunes, Fernanda De Paula, Silvia Vanessa Lourenço
Graft versus host disease (GVHD) occurs after bone marrow transplantation and is one of the most important causes of death worldwide. Reviews demonstrated GVHD patients with involvement of various tissues and organs, such as salivary glands. The diagnosis of acute GVHD has been the biopsies and the histopathologic evaluation of tissue from an involved organ. These procedures are invasive. Saliva proteins as possible biomarker for GVHD could facilitate the management and diagnosis accuracy. For support the proposed hypotheses, in this pilot study we collected whole saliva samples from patients with undergoing allogeneic hematopoietic cell transplantation (HCT) and from healthy subjects...
March 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28235782/development-of-a-multiplexed-lc-mrm-ms-method-for-evaluation-of-salivary-proteins-as-oral-cancer-biomarkers
#14
Yi-Ting Chen, Hsiao-Wei Chen, Chun-Feng Wu, Lichieh Julie Chu, Wei-Fang Chiang, Chih-Ching Wu, Jau-Song Yu, Cheng-Han Tsai, Kung-Hao Liang, Yu-Sun Chang, Maureen Wu, Wei-Ting Ou Yang
Multiple (selected) reaction monitoring (MRM/SRM) of peptides is a growing technology for target protein quantification because it is more robust, precise, accurate, high-throughput, and multiplex-capable than antibody-based techniques. The technique has been applied clinically to the large-scale quantification of multiple target proteins in different types of fluids. However, previous MRM-based studies have placed less focus on sample-preparation workflow and analytical performance in the precise quantification of proteins in saliva, a non-invasively sampled body fluid...
February 24, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28225606/effect-of-astringent-stimuli-on-salivary-protein-interactions-elucidated-by-complementary-proteomics-approaches
#15
Judith Delius, Guillaume Médard, Bernhard Kuster, Thomas Hofmann
The interaction of astringent substances with salivary proteins, which results in protein precipitation, is considered a key event in the molecular mechanism underlying the oral sensation of puckering astringency. As the chemical nature of orally active astringents is diverse and the knowledge of their interactions with salivary proteins rather fragmentary, human whole saliva samples were incubated with suprathreshold and isointensity solutions of the astringent polyphenol (-)-epigallocatechin gallate, the multivalent metal salt iron(III) sulfate, the amino-functionalized polysaccharide chitosan, and the basic protein lysozyme...
March 6, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28223859/histatin-peptides-pharmacological-functions-and-their-applications-in-dentistry
#16
REVIEW
Zohaib Khurshid, Shariq Najeeb, Maria Mali, Syed Faraz Moin, Syed Qasim Raza, Sana Zohaib, Farshid Sefat, Muhammad Sohail Zafar
There are many human oral antimicrobial peptides responsible for playing important roles including maintenance, repairing of oral tissues (hard or soft) and defense against oral microbes. In this review we have highlighted the biochemistry, physiology and proteomics of human oral histatin peptides, secreted from parotid and submandibular salivary glands in human. The significance of these peptides includes capability for ionic binding that can kill fungal Candida albicans. They have histidine rich amino acid sequences (7-12 family members; corresponding to residues 12-24, 13-24, 12-25, 13-25, 5-11, and 5-12, respectively) for Histatin-3...
January 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28198151/comparative-proteomic-analysis-of-the-influence-of-gender-and-acid-stimulation-on-normal-human-saliva-using-lc-ms-ms
#17
Xiaoping Xiao, Yaoran Liu, Zhengguang Guo, Xiaoyan Liu, Haidan Sun, Qian Li, Wei Sun
Human saliva is an important source for disease biomarker discovery. In this work, we investigate the influence of gender and acid stimulation on the normal human salivary proteome. Un-stimulated and acid-stimulated saliva samples from 5 males and 5 females were labeled with 4-plex iTRAQ and analyzed by 2-DLC MS/MS. A total of 1,770 proteins were identified, and 82 proteins in un-stimulated saliva were found to be gender-specific. These proteins were mainly associated with immune function, metabolism and inflammation...
February 15, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28178587/top-down-hplc-esi-ms-proteomic-analysis-of-saliva-of-edentulous-subjects-evidenced-high-levels-of-cystatin-a-cystatin-b-and-sprr3
#18
Barbara Manconi, Barbara Liori, Tiziana Cabras, Federica Iavarone, Armando Manni, Irene Messana, Massimo Castagnola, Alessandra Olianas
OBJECTIVE: This study aims to analyze the salivary peptidome/proteome of edentulous subject with respect to dentate control subjects. DESIGN: Unstimulated whole saliva, collected from 11 edentulous subjects (age 60-76 years) and 11 dentate age-matched control subjects, was immediately treated with 0.2% aqueous trifluoroacetic acid and the acidic soluble fraction analyzed by High Performace Liquid Chromatography-Mass Spectrometry. The relative abundance of the salivary peptides/proteins was determined by measuring the area of the High Performace Liquid Chromatography-Mass Spectrometry eXtracted Ion Current peaks which is linearly proportional to peptide/protein concentration under identical experimental conditions...
May 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28159752/studies-of-an-androgen-binding-protein-knockout-corroborate-a-role-for-salivary-abp-in-mouse-communication
#19
Amanda G Chung, Phillip M Belone, Barbora Vošlajerová Bímová, Robert C Karn, Christina M Laukaitis
The house mouse Androgen-binding protein (Abp) gene family is comprised of 64 paralogs, 30 Abpa and 34 Abpbg, encoding the alpha (ABPA) and beta-gamma (ABPBG) protein subunits that are disulfide-bridged to form dimers in secretions. Only 14 Abp genes are expressed in distinct patterns in the lacrimal (11) and submandibular glands (3). We created a knockout mouse line lacking two of the three genes expressed in submandibular glands, Abpa27 and Abpbg27, by replacing them with the neomycin resistance gene. The knockout genotype (-/-) showed no Abpa27 or Abpbg27 transcripts in submandibular gland complementary DNA (cDNA) libraries and there was a concomitant lack of protein expression of ABPA27 and ABPBG27 in the -/- genotype saliva, shown by elimination of these two proteins from the saliva proteome and the loss of cross-reactive material in the acinar cells of the submandibular glands...
April 2017: Genetics
https://www.readbyqxmd.com/read/28158262/uncovering-stem-cell-differentiation-factors-for-salivary-gland-regeneration-by-quantitative-analysis-of-differential-proteomes
#20
Yun-Jong Park, Jin Koh, Jin Teak Kwon, Yong-Seok Park, Lijun Yang, Seunghee Cha
Severe xerostomia (dry mouth) compromises the quality of life in patients with Sjögren's syndrome or radiation therapy for head and neck cancer. A clinical management of xerostomia is often unsatisfactory as most interventions are palliative with limited efficacy. Following up our previous study demonstrating that mouse BM-MSCs are capable of differentiating into salivary epithelial cells in a co-culture system, we further explored the molecular basis that governs the MSC reprogramming by utilizing high-throughput iTRAQ-2D-LC-MS/MS-based proteomics...
2017: PloS One
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