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Kallikrein

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https://www.readbyqxmd.com/read/28431272/specific-microrna-mrna-regulatory-network-of-colon-cancer-invasion-mediated-by-tissue-kallikrein-related-peptidase-6
#1
Earlphia Sells, Ritu Pandey, Hwudaurw Chen, Bethany A Skovan, Haiyan Cui, Natalia A Ignatenko
Metastatic colon cancer is a major cause of deaths among colorectal cancer (CRC) patients. Elevated expression of kallikrein 6 (KLK6), a member of a kallikrein subfamily of peptidase S1 family serine proteases, has been reported in CRC and is associated with low patient survival rates and poor disease prognosis. We knocked down KLK6 expression in HCT116 colon cancer cells to determine the significance of KLK6 expression for metastatic dissemination and to identify the KLK6-associated microRNAs (miRNAs) signaling networks in metastatic colon cancer...
April 18, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28427756/human-tissue-kallikreins-blood-levels-and-response-to-radiotherapy-in-intermediate-risk-prostate-cancer
#2
Nicola J Nasser, John Thoms, Antoninus Soosaipillai, Melania Pintilie, Ri Wang, Eleftherios P Diamandis, Robert G Bristow
OBJECTIVES: Kallikreins are serine proteases over expressed in many malignancies. In this study, we measure changes in serum kallikrein (KLKs) levels during intensity-modulated radiotherapy (IMRT) in prostate cancer patients, and find potential correlations between serum kallikrein level and normal tissues toxicity during radiation. METHODS: Forty-nine patients with prostate cancer were recruited as follows: group 1, definitive standard fractionation IMRT (78Gy in 39 fractions, n=15); group 2, definitive hypofractionated IMRT (60Gy in 20 fractions, n=15); and group 3, IMRT postprostatectomy (66Gy in 33 fractions, n=19)...
April 17, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28427524/kallistatin-suppresses-cancer-development-by-multi-factorial-actions
#3
REVIEW
Julie Chao, Pengfei Li, Lee Chao
Kallistatin was first identified in human plasma as a tissue kallikrein-binding protein and a serine proteinase inhibitor. Kallistatin via its two structural elements regulates differential signaling cascades, and thus a wide spectrum of biological functions. Kallistatin's active site is essential for: inhibiting tissue kallikrein's activity; stimulating endothelial nitric oxide synthase and sirtuin 1 expression and activation; and modulating the synthesis of the microRNAs, miR-34a, miR-21 and miR-203. Kallistatin's heparin-binding site is crucial for antagonizing the signaling pathways of vascular endothelial growth factor, tumor necrosis factor-α, Wnt, transforming growth factor-β and epidermal growth factor...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28424255/analysis-of-milk-from-mothers-who-delivered-prematurely-reveals-few-changes-in-proteases-and-protease-inhibitors-across-gestational-age-at-birth-and-infant-postnatal-age
#4
Veronique Demers-Mathieu, Søren Drud Nielsen, Mark A Underwood, Robyn Borghese, David C Dallas
Background: Peptidomics research has demonstrated that protease activity is higher in breast milk from preterm-delivering mothers than from term-delivering mothers. However, to our knowledge, the effect of the degree of prematurity and postnatal age on proteases and protease inhibitors in human milk remains unknown.Objective: We aimed to determine the change of proteases and protease inhibitors in milk from mothers who delivered prematurely across gestational age (GA) and postnatal age.Methods: Milk samples were collected from 18 mothers aged 26-40 y who delivered preterm infants and who lacked mastitis...
April 19, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28419837/identification-and-molecular-cloning-of-novel-transcripts-of-the-human-kallikrein-related-peptidase-10-klk10-gene-using-next-generation-sequencing
#5
Panagiotis G Adamopoulos, Christos K Kontos, Andreas Scorilas
Kallikreins (KLKs) form the largest group of serine proteases in the human genome sharing many structural and functional characteristics. Multiple alternative transcripts have been reported for most human KLKs, while many of them have been found aberrantly expressed in various human malignancies, thus possessing significant prognostic or/and diagnostic value. Alternative splicing of cancer-related genes is a common cellular mechanism accounting for cancer cell transcriptome complexity, as it affects cell cycle control, proliferation, apoptosis, invasion, and metastasis...
April 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28418926/urinary-kallikrein-10-predicts-the-incurability-of-gastric-cancer
#6
Takaya Shimura, Masahide Ebi, Tomonori Yamada, Tamaki Yamada, Takahito Katano, Yu Nojiri, Hiroyasu Iwasaki, Satoshi Nomura, Noriyuki Hayashi, Yoshinori Mori, Hiromi Kataoka, Marsha A Moses, Takashi Joh
The current imaging modalities are not sufficient to identify inoperable tumor factors, including distant metastasis and local invasion. Hence, we conducted this study using urine samples to discover non-invasive biomarkers for the incurability of gastric cancer (GC). Urine samples from 111 GC patients were analyzed in this study. The GC cohort was categorized and analyzed according to disease stage and operability. In the discovery phase, protease protein array analysis identified 3 potential candidate proteins that were elevated in the urine of advanced GC patients compared to early GC patients...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414719/crucial-role-of-estrogen-for-the-mammalian-female-in-regulating-semen-coagulation-and-liquefaction-in-vivo
#7
Shuai Li, Marleny Garcia, Rachel L Gewiss, Wipawee Winuthayanon
Semen liquefaction changes semen from a gel-like to watery consistency and is required for sperm to gain mobility and swim to the fertilization site in the Fallopian tubes. Kallikrein-related peptidases 3 (KLK3) and other kallikrein-related peptidases from male prostate glands are responsible for semen liquefaction by cleaving gel-forming proteins (semenogelin and collagen). In a physiological context, the liquefaction process occurs within the female reproductive tract. How seminal proteins interact with the female reproductive environment is still largely unexplored...
April 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28411635/guide-to-the-preparation-of-molecularly-imprinted-polymer-nanoparticles-for-protein-recognition-by-solid-phase-synthesis
#8
Jingjing Xu, Paulina X Medina-Rangel, Karsten Haupt, Bernadette Tse Sum Bui
Molecularly imprinted polymers (MIPs) are synthetic antibody mimics possessing specific cavities designed for a target molecule. Nowadays, molecular imprinting of proteins still remains a challenge as the generation of selective imprinted cavities is extremely difficult, due to their flexible structure and the presence of a multitude of functional sites. To overcome this difficulty, we propose a solid-phase synthesis strategy to prepare MIPs specific for any protein that can be immobilized in an oriented way on a solid support...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28408942/identification-of-tengfu-jiangya-tablet-target-biomarkers-with-quantitative-proteomic-technique
#9
Jingwen Xu, Yunlun Li, Shijun Zhang, Haiqiang Jiang, Nan Wang, Haiqing Lin
Tengfu Jiangya Tablet (TJT) is a well accepted antihypertension drug in China and its major active components were Uncaria total alkaloids and Semen Raphani soluble alkaloid. To further explore treatment effects mechanism of TJT on essential hypertension, a serum proteomic study was performed. Potential biomarkers were quantified in serum of hypertension individuals before and after taking TJT with isobaric tags for relative and absolute quantitation (iTRAQ) coupled two-dimensional liquid chromatography followed electrospray ionization-tandem mass spectrometry (2D LC-MS/MS) proteomics technique...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28385878/protease-inhibitor-interaction-predictions-lessons-on-the-complexity-of-protein-protein-interactions
#10
Nikolaus Fortelny, Georgina S Butler, Christopher Mark Overall, Paul Pavlidis
Protein interactions shape proteome function and thus biology. Identification of protein interactions is a major goal in molecular biology, but biochemical methods, although improving, remain limited in coverage and accuracy. Whereas computational predictions can guide biochemical experiments, low validation rates of predictions remain a major limitation. Here, we investigated computational methods in the prediction of a specific type of interaction, the inhibitory interactions between proteases and their inhibitors...
April 6, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28385661/intact-cell-maldi-tof-mass-spectrometry-on-single-bovine-oocyte-and-follicular-cells-combined-with-top-down-proteomics-a-novel-approach-to-characterise-markers-of-oocyte-maturation
#11
Valérie Labas, Ana-Paula Teixeira-Gomes, Laura Bouguereau, Audrey Gargaros, Lucie Spina, Aurélie Marestaing, Svetlana Uzbekova
Intact cell MALDI-TOF mass spectrometry (ICM-MS) was adapted to bovine follicular cells from individual ovarian follicles to obtain the protein/peptide signatures (<17kDa) of single oocytes, cumulus cells (CC) and granulosa cells (GC), which shared a total of 439 peaks. By comparing the ICM-MS profiles of single oocytes and CC before and after in vitro maturation (IVM), 71 different peaks were characterised, and their relative abundance was found to vary depending on the stage of oocyte meiotic maturation...
April 3, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28384411/kallikrein-kinin-system-as-the-dominant-mechanism-to-counteract%C3%A2-hyperactive-renin-angiotensin-system
#12
Domenico Regoli, Fernand Gobeil
The renin-angiotensin system (RAS) generates, maintains and makes worse hypertension and cardiovascular diseases (CVDs) through its biologically active component Angiotensin II (Ang II), that causes vasoconstriction, sodium retention and structural alterations of the heart and the arteries. A few endogenous vasodilators, kinins, natriuretic peptides and possibly angiotensin (1-7), exert opposite actions and may provide useful therapeutic agents. As endothelial autacoids, the kinins are potent vasodilators, active natriuretics and protectors of the endothelium...
April 6, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28376164/germline-mutations-in-the-kallikrein-6-region-and-predisposition-for-aggressive-prostate-cancer
#13
Laurent Briollais, Hilmi Ozcelik, Jingxiong Xu, Maciej Kwiatkowski, Emilie Lalonde, Dorota H Sendorek, Neil E Fleshner, Franz Recker, Cynthia Kuk, Ekaterina Olkhov-Mitsel, Tristan Juvet, Ioannis Prassas, John Trachtenberg, Ants Toi, Michael Fraser, Theodorus van der Kwast, Robert G Bristow, Bharati Bapat, Eleftherios P Diamandis, Paul C Boutros, Alexandre R Zlotta
Background: There is a need for markers that can specifically identify individuals at increased risk of harboring aggressive forms of prostate cancer (PCa). Methods: We surveyed the Kallikrein ( KLK ) region ( KLK 1-15) for single-nucleotide polymorphisms (SNPs) associated with aggressive PCa (Gleason Score ≥ 8) in 1858 PCa patients. Discovery cohorts (Swiss arm of the European Randomized Study of Screening for PCa, n = 379; Toronto, Canada, n = 540) and a validation cohort (Prostate, Lung, Colorectal and Ovarian [PLCO] screening trial, n = 939) were analyzed...
April 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28373410/bradykinin-b2-receptor-activation-regulates-renin-in-m-1-cells-via-protein-kinase-c-and-nitric-oxide
#14
Lucienne S Lara, Camille R T Bourgeois, Samir S El-Dahr, Minolfa C Prieto
In the collecting duct (CD), the interactions of renin angiotensin system (RAS) and kallikrein-kinin system (KKS) modulate Na(+) reabsorption, volume homeostasis, and blood pressure. In this study, we used a mouse kidney cortical CD cell line (M-1 cells) to test the hypothesis that in the CD, the activation of bradykinin B2 receptor (B2R) increases renin synthesis and release. Physiological concentrations of bradykinin (BK) treatment of M-1 cells increased renin mRNA and prorenin and renin protein contents in a dose-dependent manner and increased threefold renin content in the cell culture media...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28359252/early-urinary-biomarkers-of-diabetic-nephropathy-in-type-1-diabetes-mellitus-show-involvement-of-kallikrein-kinin-system
#15
Lenka Vitova, Zdenek Tuma, Jiri Moravec, Milan Kvapil, Martin Matejovic, Jan Mares
BACKGROUND: Additional urinary biomarkers for diabetic nephropathy (DN) are needed, providing early and reliable diagnosis and new insights into its mechanisms. Rigorous selection criteria and homogeneous study population may improve reproducibility of the proteomic approach. METHODS: Long-term type 1 diabetes patients without metabolic comorbidities were included, 11 with sustained microalbuminuria (MA) and 14 without MA (nMA). Morning urine proteins were precipitated and resolved by 2D electrophoresis...
March 30, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28358853/a-peptide-based-approach-to-evaluate-the-adaptability-of-influenza-a-virus-to-humans-based-on-its-hemagglutinin-proteolytic-cleavage-site
#16
Marco R Straus, Gary R Whittaker
Cleavage activation of the hemagglutinin (HA) protein by host proteases is a crucial step in the infection process of influenza A viruses (IAV). However, IAV exists in eighteen different HA subtypes in nature and their cleavage sites vary considerably. There is uncertainty regarding which specific proteases activate a given HA in the human respiratory tract. Understanding the relationship between different HA subtypes and human-specific proteases will be valuable in assessing the pandemic potential of circulating viruses...
2017: PloS One
https://www.readbyqxmd.com/read/28349651/dermasence-refining-gel-modulates-pathogenetic-factors-of-rosacea-in-vitro
#17
C Borelli, B Becker, S Thude, B Fehrenbacher, D Isermann
BACKGROUND: Over the counter cosmetics sold for local treatment of slight to moderate rosacea often state the claim of actively modulating rosacea pathogenesis. Factors involved in the pathogenesis of this common yet complex skin disorder include kallikrein-related peptidase 5 (KLK5), LL-37, as well as protease-activated receptor 2 (PAR2) and vascular endothelial growth factor (VEGF). OBJECTIVE: The objective was to prove the modulating effect of the cosmetic skin care agent Dermasence Refining Gel (DRG) on factors involved in rosacea pathogenesis...
March 27, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28346966/factor-xii-contact-activation
#18
Clément Naudin, Elena Burillo, Stefan Blankenberg, Lynn Butler, Thomas Renné
Contact activation is the surface-induced conversion of factor XII (FXII) zymogen to the serine protease FXIIa. Blood-circulating FXII binds to negatively charged surfaces and this contact to surfaces triggers a conformational change in the zymogen inducing autoactivation. Several surfaces that have the capacity for initiating FXII contact activation have been identified, including misfolded protein aggregates, collagen, nucleic acids, and platelet and microbial polyphosphate. Activated FXII initiates the proinflammatory kallikrein-kinin system and the intrinsic coagulation pathway, leading to formation of bradykinin and thrombin, respectively...
March 27, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28326926/potential-protein-biomarkers-for-burning-mouth-syndrome-discovered-by-quantitative-proteomics
#19
Eoon Hye Ji, Cynthia Diep, Tong Liu, Hong Li, Robert Merrill, Diana Messadi, Shen Hu
Burning mouth syndrome (BMS) is a chronic pain disorder characterized by severe burning sensation in normal looking oral mucosa. Diagnosis of BMS remains to be a challenge to oral healthcare professionals because the method for definite diagnosis is still uncertain. In this study, a quantitative saliva proteomic analysis was performed in order to identify target proteins in BMS patients' saliva that may be used as biomarkers for simple, non-invasive detection of the disease. By using isobaric tags for relative and absolute quantitation labeling and liquid chromatography-tandem mass spectrometry to quantify 1130 saliva proteins between BMS patients and healthy control subjects, we found that 50 proteins were significantly changed in the BMS patients when compared to the healthy control subjects ( p ≤ 0...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28326725/-analysis-of-salivary-protease-spectrum-in-chronic-periodontitis
#20
Li Qian, Zhou Xuedong, Fan Yaping, Yang Tengyu, Wu Songtao, Yu Yu, Chen Jiao, Zhang Ping, Feng Yun
OBJECTIVE: This study aimed to investigate the difference in salivary protease expression in patients with chronic periodontitis and normal individuals. METHODS: The stimulating saliva in patients with chronic periodontitis and normal individuals were collected. Protein chip technology was adapted to analyze salivary protease spectrum. RESULTS: Among the 34 proteases in the chip, disintegrin and metalloproteinase (ADAM)8, matrix metalloproteinase (MMP)-8, MMP-12, neprilysin/CD10, and uridylyl phosphate adenosine/urokinase showed a significantly increased concentration in the saliva of chronic periodontitis patients compared with those in the saliva of normal individuals (P<0...
February 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
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