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2,921 Results Found

  • Article
  • Open Access
3 Citations
2,624 Views
17 Pages

A New Index Assessing the Viability of PAR Application Projects Used to Validate PAR Models

  • Francisco Ferrera-Cobos,
  • Jose M. Vindel and
  • Rita X. Valenzuela

4 March 2021

Photosynthetically active radiation (PAR) is a useful variable to estimate the growth of biomass or microalgae. However, it is not always feasible to access PAR measurements; in this work, two sets of nine hourly PAR models were developed. These mode...

  • Review
  • Open Access
136 Citations
14,348 Views
20 Pages

The Enigmatic Function of PARP1: From PARylation Activity to PAR Readers

  • Tatiana Kamaletdinova,
  • Zahra Fanaei-Kahrani and
  • Zhao-Qi Wang

12 December 2019

Poly(ADP-ribosyl)ation (PARylation) is catalysed by poly(ADP-ribose) polymerases (PARPs, also known as ARTDs) and then rapidly removed by degrading enzymes. Poly(ADP-ribose) (PAR) is produced from PARylation and provides a delicate and spatiotemporal...

  • Article
  • Open Access
6 Citations
7,738 Views
20 Pages

Why the Par Value of Share Matters to Investors

  • Tadeusz Dudycz and
  • Bogumiła Brycz

The purpose of the study is the analysis of the relationship between the par value (also known as nominal value or face value) and the parameters influencing a company’s financing. Additionally, the utility of the par value as a manipulation tool for...

  • Article
  • Open Access
1 Citations
3,287 Views
14 Pages

Combination of Models to Generate the First PAR Maps for Spain

  • Francisco Ferrera-Cobos,
  • Jose M. Vindel,
  • Ousmane Wane,
  • Ana A. Navarro,
  • Luis F. Zarzalejo and
  • Rita X. Valenzuela

6 December 2021

This work addresses the development of a PAR model in the entire territory of mainland Spain. Thus, a specific model is developed for each location of the study field. The new PAR model consists of a combination of the estimates of two previous model...

  • Feature Paper
  • Article
  • Open Access
5 Citations
3,334 Views
12 Pages

Upwelling Irradiance below Sea Ice—PAR Intensities and Spectral Distributions

  • Lars Chresten Lund-Hansen,
  • Michael Bjerg-Nielsen,
  • Tanja Stratmann,
  • Ian Hawes and
  • Brian K. Sorrell

Upwelling and downwelling spectral (320–920 nm) distributions and photosynthetic active radiation (PAR) intensities were measured below a first-year land-fast sea ice in a western Greenland fjord with and without a snow cover. Time-series of surface...

  • Article
  • Open Access
1 Citations
3,189 Views
15 Pages

The Tumor Suppressor Par-4 Regulates Adipogenesis by Transcriptional Repression of PPARγ

  • James Sledziona,
  • Ravshan Burikhanov,
  • Nathalia Araujo,
  • Jieyun Jiang,
  • Nikhil Hebbar and
  • Vivek M. Rangnekar

5 September 2024

Prostate apoptosis response-4 (Par-4, also known as PAWR) is a ubiquitously expressed tumor suppressor protein that induces apoptosis selectively in cancer cells, while leaving normal cells unaffected. Our previous studies indicated that genetic loss...

  • Article
  • Open Access
5 Citations
2,922 Views
18 Pages

PAR-Induced Harnessing of EZH2 to β-Catenin: Implications for Colorectal Cancer

  • Shoshana Sedley,
  • Jeetendra Kumar Nag,
  • Tatyana Rudina and
  • Rachel Bar-Shavit

G-protein-coupled receptors (GPCRs) are involved in a wide array of physiological and disease functions, yet knowledge of their role in colon cancer stem cell maintenance is still lacking. In addition, the molecular mechanisms underlying GPCR-induced...

  • Article
  • Open Access
1 Citations
2,867 Views
21 Pages

30 October 2020

A series of experiments were performed in the SPARC (spray-aerosol-recombiner-combustion) test facility to simulate a hydrogen mitigation system with the actuation of a PAR (passive auto-catalytic re-combiner) and spray system. In this study, the SPA...

  • Article
  • Open Access
4 Citations
2,963 Views
13 Pages

5 March 2021

Prostate apoptosis response-4 (Par-4) is a proapoptotic tumor suppressor protein that has been linked to a large number of cancers. This 38 kilodalton (kDa) protein has been shown to be predominantly intrinsically disordered in vitro. In vivo, Par-4...

  • Article
  • Open Access
8 Citations
5,263 Views
13 Pages

Iduna is a poly(ADP-ribose) (PAR)-dependent E3 ubiquitin ligase that regulates cellular responses such as proteasomal degradation and DNA repair upon interaction with its substrate. We identified a highly cationic region within the PAR-binding motif...

  • Article
  • Open Access
24 Citations
8,138 Views
14 Pages

Expression of Partitioning Defective 3 (Par-3) for Predicting Extrahepatic Metastasis and Survival with Hepatocellular Carcinoma

  • Yee-Jee Jan,
  • Bor-Sheng Ko,
  • Tzu-An Liu,
  • Yao-Ming Wu,
  • Shu-Man Liang,
  • Shyh-Chang Chen,
  • John Wang and
  • Jun-Yang Liou

15 January 2013

Partitioning defective 3 (Par-3), a crucial component of partitioning-defective complex proteins, controls cell polarity and contributes to cell migration and cancer cell epithelial-to-mesenchymal transition. However, the clinical relevance of Par-3...

  • Article
  • Open Access
1,180 Views
22 Pages

Evaluation of the Partition of Global Solar Radiation into UVA, PAR, and NIR Components in a Rural Environment

  • Lucía Moreno-Cuenca,
  • Francisco Navas-Guzmán,
  • Lionel Doppler and
  • Inmaculada Foyo Moreno

15 October 2025

Observational studies in several regions and our dataset indicate changes in global solar radiation (RS); here, we analyze how atmospheric conditions modulate its spectral composition. This study investigates the effects of atmospheric conditions on...

  • Article
  • Open Access
6 Citations
3,303 Views
14 Pages

An Impact Assessment of Par-Baking and Storage on the Quality of Wheat, Whole Wheat, and Whole Rye Breads

  • Celeste Verbeke,
  • Els Debonne,
  • Hannah Van Leirsberghe,
  • Filip Van Bockstaele and
  • Mia Eeckhout

10 January 2024

Par-baking technology increases the production efficiency of bread. However, the degree of par-baking can vary significantly amongst product types and intended sales markets, leading to substantial differences in the quality attributes of the finishe...

  • Article
  • Open Access
6 Citations
2,893 Views
21 Pages

8 June 2022

The fraction of photosynthetic active radiation (fPAR) attempts to quantify the amount of enery that is absorbed by vegetation for use in photosynthesis. Despite the importance of fPAR, there has been little research into how fPAR may change with bio...

  • Article
  • Open Access
26 Citations
4,728 Views
20 Pages

18 March 2020

Atmospheric aerosols can elicit variations in how much solar radiation reaches the ground surface due to scattering and absorption, which may affect plant photosynthesis and carbon uptake in terrestrial ecosystems. In this study, the spatio-temporal...

  • Article
  • Open Access
6 Citations
2,979 Views
13 Pages

Photosynthetically Active Radiation (PAR) is an important parameter in the plant photosynthesis process, which can relate to plant growth, crop water use, and leaf gas exchange. Previously, many researchers utilized commercially available sensors to...

  • Article
  • Open Access
3 Citations
3,058 Views
15 Pages

Enhancing the Conformational Stability of the cl-Par-4 Tumor Suppressor via Site-Directed Mutagenesis

  • Samjhana Pandey,
  • Krishna K. Raut,
  • Antoine Baudin,
  • Lamya Djemri,
  • David S. Libich,
  • Komala Ponniah and
  • Steven M. Pascal

12 April 2023

Intrinsically disordered proteins play important roles in cell signaling, and dysregulation of these proteins is associated with several diseases. Prostate apoptosis response-4 (Par-4), an approximately 40 kilodalton proapoptotic tumor suppressor, is...

  • Article
  • Open Access
15 Citations
6,532 Views
16 Pages

TNF-α and IFN-γ Together Up-Regulates Par-4 Expression and Induce Apoptosis in Human Neuroblastomas

  • Ganesh V. Shelke,
  • Jayashree C. Jagtap,
  • Dae-Kyum Kim,
  • Reecha D. Shah,
  • Gowry Das,
  • Mruthyunjaya Shivayogi,
  • Radha Pujari and
  • Padma Shastry

The objective of this study was to examine the combined effect of Interferon-gamma (IFN-γ) and Tumor Necrosis factor-alpha (TNF-α) on cytotoxicity and expression of prostate apoptosis response-4 (Par-4) and Par-4 interacting proteins B-cell lymphoma...

  • Technical Note
  • Open Access
12 Citations
2,960 Views
13 Pages

Using High-Frequency PAR Measurements to Assess the Quality of the SIF Derived from Continuous Field Observations

  • Shuai Han,
  • Zhigang Liu,
  • Zhuang Chen,
  • Hao Jiang,
  • Shan Xu,
  • Huarong Zhao and
  • Sanxue Ren

26 April 2022

Fluctuations in illumination are one of the major sources for SIF retrieval errors during temporal continuous field measurements. In this study, we propose a method for evaluating the quality of SIF based on simultaneous measurements of photosyntheti...

  • Article
  • Open Access
421 Views
18 Pages

26 November 2025

This participatory action research (PAR) study explored the diversity and cultural competencies essential for working effectively and appropriately with diverse patients in healthcare and healthcare education. Ninety-four (94) medical students partic...

  • Article
  • Open Access
10 Citations
5,331 Views
17 Pages

pH-Induced Folding of the Caspase-Cleaved Par-4 Tumor Suppressor: Evidence of Structure Outside of the Coiled Coil Domain

  • Andrea M. Clark,
  • Komala Ponniah,
  • Meghan S. Warden,
  • Emily M. Raitt,
  • Andrea C. Yawn and
  • Steven M. Pascal

4 December 2018

Prostate apoptosis response-4 (Par-4) is a 38 kDa largely intrinsically disordered tumor suppressor protein that functions in cancer cell apoptosis. Par-4 down-regulation is often observed in cancer while up-regulation is characteristic of neurodegen...

  • Article
  • Open Access
1,055 Views
19 Pages

PAR2 Serves an Indispensable Role in Controlling PAR4 Oncogenicity: The β-Catenin–p53 Axis

  • Priyanga Appasamy,
  • Jeetendra Kumar Nag,
  • Hodaya Malka and
  • Rachel Bar-Shavit

Although the role of G-protein-coupled receptors (GPCRs) in cancer is acknowledged, GPCR-based cancer therapy is rare. Mammalian protease-activated receptors (PARs), a sub-group of GPCRs, comprise four family members, termed PAR1–4. Here, we de...

  • Article
  • Open Access
9 Citations
3,669 Views
25 Pages

Prostate Apoptosis Response-4 (Par-4): A Novel Target in Pyronaridine-Induced Apoptosis in Glioblastoma (GBM) Cells

  • Jeevan Ghosalkar,
  • Vinay Sonawane,
  • Tejal Pisal,
  • Swati Achrekar,
  • Radha Pujari,
  • Ashish Chugh,
  • Padma Shastry and
  • Kalpana Joshi

29 June 2022

Glioblastoma (GBM) is an aggressive form of brain tumor with a median survival of approximately 12 months. With no new drugs in the last few decades and limited success in clinics for known therapies, drug repurposing is an attractive choice for its...

  • Article
  • Open Access
1 Citations
2,296 Views
17 Pages

7 August 2023

Chromosome segregation in Pseudomonas aeruginosa is assisted by the tripartite ParAB–parS system, composed of an ATPase (ParA), a DNA-binding protein (ParB) and its target parS sequence(s). ParB forms a nucleoprotein complex around four parSs (...

  • Review
  • Open Access
29 Citations
8,657 Views
18 Pages

8 January 2019

Endothelial protein C receptor (EPCR) and protease activated receptor 1 (PAR-1) by themselves play important role in cancer growth and dissemination. Moreover, interactions between the two receptors are essential for tumor progression. EPCR is a cell...

  • Article
  • Open Access
5 Citations
2,193 Views
46 Pages

Colorectal cancer (CRC) remains a principal contributor to oncological mortality worldwide, with chronic inflammation serving as a fundamental driver of its pathogenesis. Protease-activated receptor-2 (PAR-2), a G-protein-coupled receptor, orchestrat...

  • Article
  • Open Access
14 Citations
4,388 Views
13 Pages

Phellodendron amurense Extract Protects Human Keratinocytes from PM2.5-Induced Inflammation via PAR-2 Signaling

  • Jiyoung Choi,
  • Mi Yeon Moon,
  • Gi Yeon Han,
  • Moon Sik Chang,
  • Dongki Yang and
  • Joonseok Cha

28 December 2020

Dietary supplement and personal care products aiming to provide protection from air pollution have been of great interest for decades. Epidemiology demonstrated that PM10 and PM2.5 particulate matter (PM) are an actual threat to public health worldwi...

  • Technical Note
  • Open Access
25 Citations
7,047 Views
12 Pages

13 May 2021

We propose a novel approach to measure photosynthetically active radiation (PAR ) in the form of photosynthetic photon flux density with an inexpensive, small multi-channel spectrometer sensor, with integrated optical filters and analog-to-digital co...

  • Article
  • Open Access
7 Citations
5,232 Views
11 Pages

Orthodontic Treatment and Healthcare Goals: Evaluation of Multibrackets Treatment Results Using PAR Index (Peer Assessment Rating)

  • Maria Francesca Sfondrini,
  • Paolo Zampetti,
  • Giulia Luscher,
  • Paola Gandini,
  • José Luís Gandía-Franco and
  • Andrea Scribante

10 November 2020

Background: The evaluation of orthodontic treatment outcomes using an objective method is important in order to maintain high treatment quality and final healthcare of patients. It allows professionals and university students to raise the level of th...

  • Article
  • Open Access
16 Citations
3,325 Views
13 Pages

Association of Serum Pyridoxal-5′-Phosphate, Pyridoxal, and PAr with Colorectal Cancer Risk: A Large-Scale Case-Control Study

  • Lei Xu,
  • Yu-Jing Fang,
  • Meng-Meng Che,
  • Alinuer Abulimiti,
  • Chu-Yi Huang and
  • Cai-Xia Zhang

9 June 2022

Previous epidemiological studies have focused on the association of dietary vitamin B6 or circulating pyridoxal-5′-phosphate (PLP) with colorectal cancer risk. This study aimed to investigate the vitamin B6 in relation to colorectal cancer risk...

  • Article
  • Open Access
15 Citations
4,770 Views
18 Pages

Seed Priming and Foliar Application of Nutrients Influence the Productivity of Relay Grass Pea (Lathyrus sativus L.) through Accelerating the Photosynthetically Active Radiation (PAR) Use Efficiency

  • Purabi Banerjee,
  • Visha Kumari Venugopalan,
  • Rajib Nath,
  • Prodip Kumar Chakraborty,
  • Ahmed Gaber,
  • Walaa F. Alsanie,
  • Bassem M. Raafat and
  • Akbar Hossain

The efficiency of a crop to intercept and utilize solar radiation for photosynthates production serves as one of the deciding factors of the productive potential of the crop stand. Interception and use efficiency of photosynthetically active radiatio...

  • Article
  • Open Access
7 Citations
2,444 Views
23 Pages

15 December 2023

Atrial fibrillation (AF), characterised by irregular high-frequency contractions of the atria of the heart, is of increasing clinical importance. The reasons are the increasing prevalence and thromboembolic complications caused by AF. So-called atria...

  • Case Report
  • Open Access
2 Citations
8,100 Views
4 Pages

Venomous snake bites in the Solomon Islands can be very dangerous due to lack of access to health care. There are no documented case reports of envenomation by snake bites in the Solomon Islands. This case report highlights the management of a patien...

  • Article
  • Open Access
1,646 Views
21 Pages

Photosynthetically Active Radiation (PAR) is critical for sustaining plant growth in the ground and on building surfaces, but how to accurately predict PAR availability in a complex urban environment can be a challenge. Using an advanced ray-tracing...

  • Article
  • Open Access
89 Views
42 Pages

Chronic inflammation constitutes a well-established driver of colorectal carcinogenesis, yet the molecular circuitry linking inflammatory receptor signalling to tumour cell survival remains incompletely delineated. Here we demonstrate that the HMG-Co...

  • Article
  • Open Access
1 Citations
2,086 Views
10 Pages

Cladonia arbuscula in its environmental niches is regularly affected by daily and annual variations in solar radiation. Mycosporine-glutamicol, Myc-Glu(OH), which it synthesizes, may act as a significant cellular UV-protector. Therefore, we studied t...

  • Article
  • Open Access
2 Citations
8,976 Views
16 Pages

12 December 2007

This study aims at quantifying spatio-temporal dynamics of monthly mean dailyincident photosynthetically active radiation (PAR) over a vast and complex terrain such asTurkey. The spatial interpolation method of universal kriging, and the combination...

  • Perspective
  • Open Access
9 Citations
3,576 Views
12 Pages

The Association of uPA, uPAR, and suPAR System with Inflammation and Joint Damage in Rheumatoid Arthritis: suPAR as a Biomarker in the Light of a Personalized Medicine Perspective

  • Maurizio Benucci,
  • Arianna Damiani,
  • Edda Russo,
  • Serena Guiducci,
  • Francesca Li Gobbi,
  • Paola Fusi,
  • Valentina Grossi,
  • Amedeo Amedei,
  • Mariangela Manfredi and
  • Maria Infantino

1 December 2022

Background: In recent years, the involvement of the soluble urokinase Plasminogen Activator Receptor (suPAR) in the pathophysiological modulation of Rheumatoid Arthritis (RA) has been documented, resulting in the activation of several intracellular i...

  • Review
  • Open Access
48 Citations
9,707 Views
15 Pages

Signaling Crosstalk of TGF-β/ALK5 and PAR2/PAR1: A Complex Regulatory Network Controlling Fibrosis and Cancer

  • Hendrik Ungefroren,
  • Frank Gieseler,
  • Roland Kaufmann,
  • Utz Settmacher,
  • Hendrik Lehnert and
  • Bernhard H. Rauch

Both signaling by transforming growth factor-β (TGF-β) and agonists of the G Protein-coupled receptors proteinase-activated receptor-1 (PAR1) and -2 (PAR2) have been linked to tissue fibrosis and cancer. Intriguingly, TGF-β and PAR sig...

  • Article
  • Open Access
12 Citations
2,795 Views
21 Pages

Electroacupuncture Relieves Visceral Hypersensitivity via Balancing PAR2 and PAR4 in the Descending Pain Modulatory System of Goats

  • Panpan Guo,
  • Qiulin Zhang,
  • Sha Nan,
  • Haolong Wang,
  • Ning Ma,
  • Faisal Ayub Kiani,
  • Mingxing Ding and
  • Jianguo Chen

Electroacupuncture (EA) is an efficient treatment for visceral hypersensitivity (VH). However, the mechanism underlying VH remains obscure. This study aimed to examine the effect of EA at Housanli acupoint on PAR2 and PAR4 expression in the periaqued...

  • Article
  • Open Access
4 Citations
3,791 Views
13 Pages

GB83, an Agonist of PAR2 with a Unique Mechanism of Action Distinct from Trypsin and PAR2-AP

  • Yunkyung Heo,
  • Eunhee Yang,
  • Yechan Lee,
  • Yohan Seo,
  • Kunhi Ryu,
  • Hyejin Jeon and
  • Wan Namkung

13 September 2022

Protease-activated receptor 2 (PAR2) is a G-protein-coupled receptor (GPCR) activated by proteolytic cleavage of its N-terminal domain. Once activated, PAR2 is rapidly desensitized and internalized by phosphorylation and β-arrestin recruitment....

  • Article
  • Open Access
21 Citations
3,435 Views
14 Pages

Autoantibodies from Patients with Scleroderma Renal Crisis Promote PAR-1 Receptor Activation and IL-6 Production in Endothelial Cells

  • Michèle Simon,
  • Christian Lücht,
  • Isa Hosp,
  • Hongfan Zhao,
  • Dashan Wu,
  • Harald Heidecke,
  • Janusz Witowski,
  • Klemens Budde,
  • Gabriela Riemekasten and
  • Rusan Catar

30 October 2021

Background. Scleroderma renal crisis (SRC) is a life-threatening complication of systemic sclerosis (SSc). Autoantibodies (Abs) against endothelial cell antigens have been implicated in SSc and SRC. However, their detailed roles remain poorly defined...

  • Review
  • Open Access
36 Citations
10,563 Views
19 Pages

Protease-Activated Receptor 4 (PAR4): A Promising Target for Antiplatelet Therapy

  • Gamariel Rwibasira Rudinga,
  • Ghulam Jilany Khan and
  • Yi Kong

14 February 2018

Cardiovascular diseases (CVDs) are currently among the leading causes of death worldwide. Platelet aggregation is a key cellular component of arterial thrombi and major cause of CVDs. Protease-activated receptors (PARs), including PAR1, PAR2, PAR3 an...

  • Article
  • Open Access
3 Citations
4,048 Views
16 Pages

Magnolol, A Novel Antagonist of Thrombin and PAR-1, Inhibits Thrombin-Induced Connective Tissue Growth Factor (CTGF) Expression in Vascular Smooth Muscle Cells and Ameliorate Pathogenesis of Restenosis in Rats

  • Wen-Chin Ko,
  • Chia-Ti Tsai,
  • Kai-Cheng Hsu,
  • Yu-Che Cheng,
  • Tony Eight Lin,
  • Yi-Ling Chen,
  • Chuang-Ye Hong,
  • Wan-Jung Lu,
  • Chun-Ming Shih and
  • Ting-Lin Yen

5 December 2020

Restenosis and destructive vascular remodeling are the main reasons for treatment failure in patients undergoing percutaneous coronary intervention (PCI). In this study, we explored the efficacy of magnolol (a traditional Chinese medicine) in the tre...

  • Review
  • Open Access
11 Citations
5,493 Views
21 Pages

Transcriptional Landscape of PARs in Epithelial Malignancies

  • Jeetendra Kumar Nag and
  • Rachel Bar-Shavit

2 November 2018

G protein-coupled receptors (GPCRs), the largest family of cell receptors, act as important regulators of diverse signaling pathways. Our understanding of the impact of GPCRs in tumors is emerging, yet there is no therapeutic platform based on GPCR d...

  • Article
  • Open Access
7 Citations
3,094 Views
9 Pages

24 November 2023

Bread is the staple food in many parts of the world. Like other foods, bread can contain mycotoxins resulting from microbial development throughout the supply chain (from field to table). In this study, baguette-style bread from small artisanal baker...

  • Communication
  • Open Access
25 Citations
11,284 Views
7 Pages

17 June 2009

A total of 38 volatile components were identified in Rhodobryum giganteum (Schwaegr.) Par. collected from two different geographic regions by headspace solid-phase microextraction (HS-SPME), combined with gas chromatography/mass spectrometry (GC/MS)....

  • Article
  • Open Access
16 Citations
4,452 Views
22 Pages

Analysis of Spatial and Temporal Variability of the PAR/GHI Ratio and PAR Modeling Based on Two Satellite Estimates

  • Francisco Ferrera-Cobos,
  • Jose M. Vindel,
  • Rita X. Valenzuela and
  • José A. González

16 April 2020

The main objectives of this work are to address the analysis of the spatial and temporal variability of the ratio between photosynthetically active radiation (PAR) and global horizontal irradiance (GHI), as well as to develop PAR models. The analysis...

  • Review
  • Open Access
26 Citations
6,429 Views
21 Pages

14 November 2019

The Ly6 (lymphocyte antigen-6)/uPAR (urokinase-type plasminogen activator receptor) superfamily protein is a group of molecules that share limited sequence homology but conserved three-fingered structures. Despite diverse cellular functions, such as...

  • Proceeding Paper
  • Open Access
1 Citations
2,084 Views
4 Pages

A Highly Sensitive Potentiometric Amphetamine Microsensor Based on All-Solid-State Membrane Using a New Ion-Par Complex, [3,3′-Co(1,2-closo-C2B9H11)2] C9H13NH+

  • J. Gallardo-Gonzalez,
  • A. Baraket,
  • S. Boudjaoui,
  • Y. Clément,
  • A. Alcácer,
  • A. Streklas,
  • F. Teixidor,
  • N. Zine,
  • J. Bausells and
  • A. Errachid

In the present work a highly sensitive ion-selective microelectrode for the detection of amphetamine is presented. For this purpose, a novel ion-par complex based on the metallocarborane, cobalt bis(dicarbollide) anion ([3,3′-Co(1,2-C2B9H11)2]−) coup...

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