Oxadiazole derivatives inhibit PTP1B, boosting insulin receptor phosphorylation.
Journal name: World Journal of Pharmaceutical Research
Original article title: 2, 5-disubstituted oxadiazole and it’s derivative inhibit protein tyrosine phosphatase ptp1b, enhancing insulin receptor phosphorylation
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Chandrashekhar L Athare, Nirmala Singh, Chandrashekhar D Upasani
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Full text available for: 2, 5-disubstituted oxadiazole and it’s derivative inhibit protein tyrosine phosphatase ptp1b, enhancing insulin receptor phosphorylation
Source type: An International Peer Reviewed Journal for Pharmaceutical and Medical and Scientific Research
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Summary of article contents:
Introduction
The study by Athare et al. explores the role of Protein Tyrosine Phosphatase 1B (PTP1B) as a critical regulator of insulin sensitivity, particularly in the context of type 2 diabetes. The research focuses on the synthesis and evaluation of 2,5-disubstituted oxadiazole compounds, specifically a lead compound named NCE-9. This compound was assessed for its ability to inhibit PTP1B activity and enhance insulin receptor phosphorylation, aiming to establish its potential therapeutic application in diabetes treatment.
PTP1B Inhibition and Insulin Sensitivity
PTP1B acts as a negative regulator in insulin signaling pathways, making it an attractive target for diabetes therapeutics. The inhibition of PTP1B is associated with enhanced insulin sensitivity; studies show that mice lacking PTP1B exhibit increased insulin sensitivity and resistance to obesity under high-fat diet conditions. In the present research, NCE-9 demonstrated a potent inhibitory effect on PTP1B with an IC50 value of 0.46 µmol/L and showed selectivity against other phosphatases, underscoring its potential as a selective PTP1B inhibitor that could improve insulin sensitivity.
Insulin Receptor Phosphorylation Enhancement
Another key finding of the study was the ability of NCE-9 to enhance the insulin-induced tyrosine phosphorylation of the insulin receptor substrate β (IRβ). This phenomenon indicates that the compound not only inhibits PTP1B but also actively promotes insulin receptor activation. The augmentation of IRβ phosphorylation is essential for insulin signal transduction, which leads to improved glucose uptake in insulin-responsive tissues. The results highlight that NCE-9 could serve as a dual-action agent that addresses both the inhibition of PTP1B and the stimulation of insulin signaling.
Pharmacokinetic Profile of NCE-9
The in vivo pharmacokinetic studies conducted in C57BL/6J mice and Sprague-Dawley rats provided encouraging results regarding the bioavailability and pharmacokinetic profile of NCE-9. Administering NCE-9 both orally and intravenously yielded good plasma concentrations and a favorable elimination half-life. The research documented that NCE-9 exhibits good oral bioavailability and pharmacokinetic characteristics, which are critical considerations for the development of effective therapeutic agents targeting PTP1B in diabetes management.
Conclusion
Overall, the findings from Athare et al. present NCE-9 as a promising candidate for inhibiting PTP1B while enhancing insulin receptor phosphorylation. The compound demonstrates favorable pharmacokinetic properties and acts effectively to improve insulin sensitivity, indicating its potential utility in treating type 2 diabetes. Future research is needed to explore the therapeutic efficacy of NCE-9 in various diabetic animal models, paving the way for possible clinical applications in diabetes and obesity management.
FAQ section (important questions/answers):
What is the role of Protein Tyrosine Phosphatase 1B (PTP1B)?
PTP1B is a key regulator of insulin sensitivity, negatively regulating insulin signaling. Inhibition of PTP1B can enhance insulin receptor activity, potentially benefiting conditions like type 2 diabetes.
What is NCE-9, and why is it significant?
NCE-9, chemically known as 5-Biphenyl-4-yl-[1,3,4]oxadiazole-2-carboxylic acid, is identified as a potent PTP1B inhibitor. It enhances insulin receptor phosphorylation, making it a promising candidate for type 2 diabetes treatment.
How was the effectiveness of NCE-9 assessed?
NCE-9's effectiveness in inhibiting PTP1B was evaluated through enzyme-based assays, measuring its IC50 value. It also demonstrated increased insulin receptor phosphorylation in CHO/hIR cells.
What pharmacokinetic properties did NCE-9 demonstrate?
NCE-9 exhibited favorable pharmacokinetic profiles in animal studies, such as good oral bioavailability and a favorable terminal elimination half-life, indicating its potential for clinical application.
How does PTP1B inhibition affect insulin sensitivity?
Inhibiting PTP1B enhances insulin signaling by reducing its downregulation on insulin receptors, which can lead to improved insulin sensitivity and glucose homeostasis, potentially helping with obesity and type 2 diabetes.
What were the findings regarding NCE-9 and other phosphatases?
NCE-9 showed selective inhibition of PTP1B with an IC50 of 0.46 µmol/L, demonstrating minimal activity against other phosphatases like SHP1 and SHP2, highlighting its specificity as an inhibitor.
Glossary definitions and references:
Scientific and Ayurvedic Glossary list for “Oxadiazole derivatives inhibit PTP1B, boosting insulin receptor phosphorylation.”. This list explains important keywords that occur in this article and links it to the glossary for a better understanding of that concept in the context of Ayurveda and other topics.
1) Animal:
The term 'Animal' pertains to living organisms that are used in preclinical research. In the context of this study, male C57BL/6J mice and SD rats are utilized for evaluating pharmacokinetic profiles of the synthesized compounds, reflecting the importance of animal models in biomedical research for assessing therapeutic agents.
2) India:
India serves as the geographic and institutional backdrop for the research detailed in this paper. The study originates from institutions in Maharashtra and Karnataka, highlighting India's growing contribution to pharmaceutical research, particularly in the development of therapeutic agents targeting conditions like type 2 diabetes and obesity.
3) Activity:
The term 'Activity' references the biological functions and effects that the synthesized compounds exhibit, particularly in terms of their inhibition of PTP1B and enhancement of insulin receptor phosphorylation. This concept is critical when assessing the efficacy of potential drug candidates in treating metabolic disorders.
4) Male (Mālē):
The designation 'Male' specifically refers to the gender of the animals used in the study. Selecting male subjects can influence physiological responses and metabolic profiles, which is significant for interpreting the pharmacokinetic and pharmacodynamic outcomes of the tested compounds, ensuring consistency and reliability in the results.
5) Family:
In biological terms, 'Family' refers to a group of closely related species or entities, including the PTP family of enzymes. This classification is crucial for understanding the functional interactions and selectivity of PTP1B inhibitors, which have implications in insulin signaling and metabolic regulation, particularly in diabetes research.
6) Table:
The term 'Table' indicates the organized presentation of data, specifically in relation to pharmacokinetic profiles and enzyme selectivity of NCE-9 and other compounds. Tables allow for easy comparison and interpretation of complex data, contributing to the scientific rigor and clarity of the findings reported in the study.
7) Drug:
The term 'Drug' signifies therapeutic agents being developed with the aim of inhibiting PTP1B, an important target for enhancing insulin sensitivity. The research focuses on synthesizing new drugs that could provide clinical benefits for individuals suffering from type 2 diabetes and obesity, emphasizing the translational aspect of pharmacology.
8) Water:
In a biological context, 'Water' represents a critical solvent and medium for biological reactions including those observed in the study. The pharmacokinetic studies often require aqueous solutions to dissolve compounds. Its role in drug formulation and metabolism also underlines the importance of hydration in pharmacological experiments.
9) Study (Studying):
The term 'Study' refers to the structured scientific investigation designed to explore the effects of new chemical entities on protein tyrosine phosphatase 1B (PTP1B). It encapsulates the methodologies, results, and conclusions drawn to evaluate potential therapeutic applications in treating diabetes based on empirical research findings.
10) Diet:
The term 'Diet' is significant in the context of insulin sensitivity and obesity. The study discusses how PTP1B activity can influence metabolic responses to dietary factors, establishing a relationship between dietary habits and pharmacological interventions in managing glucose metabolism, a critical aspect of type 2 diabetes.
11) Science (Scientific):
The term 'Science' denotes the systematic study of the structure and behavior of the physical and natural world. This research represents an intersection of biochemistry, pharmacology, and medical science, highlighting how scientific inquiry leads to the development of innovative therapies targeting metabolic diseases like diabetes.
12) Nature:
The term 'Nature' is often associated with the natural world and biological processes fundamental to life. In this study, it emphasizes the biological mechanisms underlying insulin signaling and metabolic regulation, showcasing how insights from nature can lead to new therapeutic strategies in pharmacology.
13) Nasik (Nāsik):
Nasik is the location of Shri Neminath Jain Bramhacharyashram's Shriman Sureshdada Jain College of Pharmacy, where significant parts of this research were conducted. This Indian city plays a vital role in promoting pharmaceutical education and research, thereby contributing to advancements in drug discovery and development.
14) Blood:
The term 'Blood' refers to the circulatory fluid that delivers essential nutrients and oxygen to cells. In pharmacokinetic studies, blood samples are critical for evaluating the concentration and effects of drugs. Understanding blood dynamics is integral for assessing the therapeutic efficacy and safety of new compounds.
15) Pharmacology:
Pharmacology is the branch of medicine that focuses on drugs and their effects on biological systems. The study's primary objective revolves around exploring novel PTP1B inhibitors and their pharmacological effects, thereby expanding the understanding of drug action in managing conditions like type 2 diabetes.
16) Maharashtra (Mahārāṣṭra, Maha-rashtra):
Maharashtra, one of the Indian states mentioned in the study, hosts institutions engaged in pharmaceutical research. Its significance lies in fostering scientific exploration and innovation, particularly in developing new therapeutic agents aimed at addressing public health challenges such as diabetes and obesity.
17) Shriman (Śrīman, Śrīmān, Śrimān, Śrīmāṉ):
The term 'Shriman' is a respectful address indicating honor and reverence in a cultural context. Used in the name of the college, it reflects the institution's commitment to excellence in pharmacy education and research, emphasizing the cultural importance of respect in academic and professional settings.
18) Shri (Śri, Śrī, Śṝ, Sṛ, Sṝ):
The title 'Shri' is a formal honorific often used in India, denoting respect. Its use in the context of institutional names emphasizes the dignity and recognition associated with the educational framework, reflecting the cultural values ingrained in the academic community involved in pharmaceutical research.
19) Karnataka (Karṇāṭaka):
Karnataka is an Indian state where significant components of this research were conducted, particularly in the Department of Biochemistry at the Indian Institute of Science. This region is recognized for its robust scientific institutions contributing to advancements in health sciences and drug development.
20) Indian:
The term 'Indian' is indicative of the nationality pertaining to the research institutions and the study's cultural context. It highlights the contributions of Indian scientific communities to the global discourse on pharmacological advancements and the dedication to tackling health challenges within the population.
21) Life:
In the context of this research, 'Life' pertains to the biological aspects of living organisms, including insulin signaling and enzymatic functions. It underscores the intricate relationships within biological systems that are fundamental to pharmacological interventions aimed at improving health outcomes.
22) Pharmacological:
The term 'Pharmacological' refers to the properties and actions of drugs within biological systems. This research actively examines the pharmacological effects of synthesized compounds, particularly concerning their inhibitory action on PTP1B, thus contributing to the understanding of drug mechanisms in metabolic disease management.
23) Performance:
In a scientific context, 'Performance' often refers to the efficacy and effectiveness of compounds during assays and experiments. The performance of NCE-9 against PTP1B is central to this study, as it evaluates how well the inhibitors function in enhancing insulin receptor activity.
24) Discussion:
The term 'Discussion' indicates the section where interpretative analysis of the study's findings occurs. It serves to contextualize results, draw conclusions, and suggest further research avenues, thus playing a critical role in the academic exchange of knowledge and advancing scientific inquiry.
25) Mutation:
In this research context, 'Mutation' signifies changes or alterations in genetic coding that can influence enzymatic functions like PTP1B. Understanding genetic mutations associated with PTP1B may provide insights into individual susceptibility to type 2 diabetes and highlight potential therapeutic targets.
26) Relative:
The term 'Relative' can suggest comparisons made within the study's framework, such as assessing the relative efficacy of different compounds. This comparison helps establish benchmarks for evaluating new therapeutic agents against existing standards in the treatment of metabolic disorders.
27) Hygiene (Hygienic):
The term 'Hygienic' emphasizes the importance of maintaining cleanliness and health standards in the laboratory environment where animal experiments are conducted. Ensuring hygienic conditions is essential to prevent contamination and ensure the validity of experimental results in pharmacological research.
28) Nirmala (Nirmalā):
Nirmala is one of the authors involved in the research. Her contribution signifies the collaborative nature of scientific research, reflecting how diverse expertise and perspectives enhance the innovation and robustness of pharmacological studies focused on therapeutic development.
29) Upasani (Upāsanī):
Chandrashekhar D Upasani is one of the authors attributed to this study, showcasing the collaborative effort in scientific research. His involvement is critical in providing insights and expertise in pharmacological methods, contributing to the overall credibility of the study's findings.
30) Disease:
The term 'Disease' pertains to pathological conditions such as type 2 diabetes that the study seeks to address through pharmacological intervention. Understanding disease mechanisms at the molecular level is pivotal for developing effective therapeutic agents that can ameliorate the health burden of such chronic conditions.
31) Surface:
In biochemical contexts, 'Surface' may refer to the surface properties of enzymes or cells, which can influence interactions with substrates or inhibitors. Surface characteristics of PTP1B play a crucial role in understanding how inhibitors like NCE-9 can effectively bind and exert their therapeutic effects.
32) Cancer:
While not the primary focus of the study, 'Cancer' represents a significant area of research where PTPs like PTP1B may also be implicated. Understanding the role of PTP inhibitors can extend beyond metabolic diseases to oncology, highlighting the broad therapeutic potential of targeting these enzymes.
33) Laxmi:
Laxmi is associated with Laxmi Biofarms Pvt. Ltd., the source for the male mice used in the study. This institution plays a pivotal role in supplying quality laboratory animals crucial for conducting experiments, emphasizing the importance of reliable animal models in pharmacological research.
34) House:
The term 'House' in 'Animal house' denotes the facility where laboratory animals are housed for research purposes. These controlled environments are essential for maintaining animal health, ensuring that studies yield valid and reproducible results pertaining to drug efficacy and safety.
35) Pola (Pōla):
In the term 'Di Paola', it refers to a specific author contributing to the research. Recognizing Paola’s work is indicative of the collaborative effort characteristic of modern scientific inquiry, wherein individual contributions converge to advance knowledge in pharmacology and metabolic disease treatment.
36) Pune:
Pune is a significant city in Maharashtra, India, playing a role in the research mentioned in this study. Its educational and research institutions contribute to scientific advancements, particularly in fields related to pharmacology and healthcare, enhancing India’s capacity in global health research initiatives.
37) Food:
In the context of this study, 'Food' signifies the dietary components that affect insulin sensitivity and metabolic health. The interaction between diet and pharmacological agents is critical for understanding their effects in chronic conditions like obesity and diabetes, influencing therapeutic strategies.
38) Pose:
The term 'Pose' suggests the challenges or questions presented within the study. It underscores the necessity to address complex interactions between drug candidates and biological mechanisms, aligning research objectives toward developing effective therapeutic solutions for managing metabolic disorders.
39) Cai (Caī, Caí):
Chai, meaning tea in Hindi, is a common beverage in Indian culture, potentially reflecting lifestyle aspects discussed in the study. While not directly related to the research, it symbolizes the cultural context of the populations involved in the study related to health and diet.
40) Pur (Pūr):
The term 'Poor' could relate to the limitations or challenges faced in developing effective inhibitors. In pharmacological research, poor bioavailability or specificity of drug candidates can hinder their clinical application, prompting ongoing research aimed at improving drug properties and therapeutic outcomes.
41) Ter:
The term 'Ther' likely refers to 'Therapeutic' as in therapeutic candidates or agents studied for their potential to treat disease. Identifying effective therapeutics is essential in combating conditions like diabetes, emphasizing the translational goal of this pharmacological research.
42) Qian:
Qian is part of the author names associated with this research. Including authorship details is important for crediting contributions to scientific studies, thus reinforcing the collaborative nature of pharmacological research while facilitating further communication and exploration in related fields.
43) Chan (Chaṇ, Chaṅ):
Chan refers to a potential contributor in the field of study, highlighting the collaborative framework typical in scientific research. Contributions from multiple authors fortify the study's findings, promoting a comprehensive approach to understanding complex biomedical issues like diabetes management.
Other Science Concepts:
Discover the significance of concepts within the article: ‘Oxadiazole derivatives inhibit PTP1B, boosting insulin receptor phosphorylation.’. Further sources in the context of Science might help you critically compare this page with similair documents:
Research work, Clinical trial, HPLC analysis, Bioavailability, Animal model, Type 2 diabetes, IC50 value, Diet-induced obesity, Oral bioavailability, High-fat diet, Department of Pharmacology, Nutritional component, Cmax, Tmax, Increased insulin sensitivity, Glucose homeostasis, Standard pellet diet, Bidentate ligand, Small molecule inhibitors, Protein tyrosine phosphatase 1B, Negative regulation, Pharmacokinetic profile, Bradford method, Potent inhibitor, Substrate specificity, Phosphatidylinositol 3-kinase, Therapeutic candidate, Colorimetric assay, AUC, Liquid chromatography-mass spectroscopy, Experimental Condition, Pharmacological assay, Tyrosine phosphorylation, SD rats, Insulin receptor substrate, Glucose transporter GLUT4, Protein tyrosine phosphatase, Terminal elimination half-life, Cell membrane permeability, Insulin signal transduction, Transgenic overexpression, Pharmacokinetic Parameter.