Kinetic Profiling of Phenobarbital Derivative Inhibition Levels on Serum Acetylthiocholine Esterase Activity| Chapter 3 | Recent Developments in Chemistry and Biochemistry Research Vol. 3

 

This study uses human serum acetylcholinesterase to analyze the kinetics of a few produced phenolic derivatives (A, B, C, and D). The compounds A, B, and D were observed to exhibit inhibitory effects at varying concentrations (10-4, 10-6, 10-8, and 10-10 mM). Additionally, there was an increase in inhibition with increasing concentrations (10-10 to 10-4 mM) for compounds A and B and an increase in inhibition with decreasing concentrations (10-4 to 10-10 mM) for compound D. It was reversible how A, B, and D affected things. For the C compound, every result was disregarded. In both the treated and control systems, the Michaelis-Menten constant and maximum velocity for the hydrolysis of acetylthiocholine iodide by AChE were found. The supplementary replots for the line weaver-burk plot were shown.

 

 

Author(s) Details

N. Zaizafoon

Department of Chemistry, College of Science, University of AL-Mustansiriyah, Iraq.

 

Please see the book here:- https://doi.org/10.9734/bpi/rdcbr/v3/225

Impact of Pyriproxyfen and Diofenolan on the Metamorphosis and Enzyme Activities in Tobacco Hornworm, Spodoptera litura (Fabricius, 1775) (Lepidoptera: Noctuidae) | Chapter 5 | Contemporary Research and Perspectives in Biological Science Vol. 11

 Spodoptera litura (Lepidoptera: Noctuidae) is a polyphagous pest of agricultural crops and causes severe economic loss. In the present study, the biological effect and enzymatic activity of two insect growth regulators, pyriproxyfen and diofenolan was evaluated against S. litura larva. The penultimate instar larvae (0, 24, and 48-hours old) were treated topically at the last three abdominal tergites with sublethal doses (1, 2, and 4µg/µl) of both the juvenile hormonal analogues (JHAs). Several effects were observed such as prolongation in larval-larval and larval-pupal ecdysial duration, larval and pupal mortality, eclosion failure, formation of intermediates, low pupation and reduced adult emergence. Along with these metamorphic catastrophe effects, both JHAs had inhibitory effects for acetylcholinesterase (AChE) but excitatory effects for glutathione –S-transferase enzyme (GST). Whereas, Log IC₅₀ and IC₅₀ values for adult emergence inhibition rate were found to be -0.98 and 0.1 µg/ µl for 24-hours old larvae (Pyriproxyfen); 0.005 and 1.01 µg/ µl for 48-hours old larvae (Pyriproxyfen); -0.085 and 0.82 µg/ µl for 24-hours old larvae (Diofenolan); -0.09 and 1.23 µg/ µl for 48-hours old larvae (Diofenolan). Our result manifests the insecticidal potency of both the IGRs against S. litura. Based on the value of the inhibition of the adult emergence (IC₅₀), the regular use of 0.1 µg/µl of pyriproxyfen and 0.82 µg/µl of diofenolan is recommended for the population growth and infestation control of S. litura.

 

Author (s) Details

Asmita Basu
University of Allahabad, Prayagraj, India.

 

Rahul Maddheshiya
Department of Zoology, IFTM University, Moradabad, India.

 

Please see the book here:- https://doi.org/10.9734/bpi/crpbs/v11/4938

Kinetic Profiling of Phenobarbital Derivative Inhibition Levels on Serum Acetylthiocholine Esterase Activity | Chapter 3 | Recent Developments in Chemistry and Biochemistry Research Vol. 3

This study uses human serum acetylcholinesterase to analyze the kinetics of a few produced phenolic derivatives (A, B, C, and D). The compounds A, B, and D were observed to exhibit inhibitory effects at varying concentrations (10-4, 10-6, 10-8, and 10-10 mM). Additionally, there was an increase in inhibition with increasing concentrations (10-10 to 10-4 mM) for compounds A and B and an increase in inhibition with decreasing concentrations (10-4 to 10-10 mM) for compound D. It was reversible how A, B, and D affected things. For the C compound, every result was disregarded. In both the treated and control systems, the Michaelis-Menten constant and maximum velocity for the hydrolysis of acetylthiocholine iodide by AChE were found. The supplementary replots for the line weaver-burk plot were shown.

Author(s) Details:

N. Zaizafoon,
Department of Chemistry, College of Science, University of AL-Mustansiriyah, Iraq.


Please see the link here: https://doi.org/10.9734/bpi/rdcbr/v3/225

A Breif Overview on Alzheimer’s Disease: Potential Targets | Chapter 7 | Current Innovations in Disease and Health Research Vol. 2

 The aim concerning this article search out survey the potential targets of Alzheimer’s Disease (AD) as it is prompted through many pathways. The most common cause of senility is Alzheimers disease. Averagly, 6.2 millions Americans old 65 and earlier are living with Alzheimers type of senility today. This number commit increase to 13.8 heap by 2060. FDA has approved few drugs like Donepezil, Galantamine, Rivastigmine and Memantine for AD. These drugs primarily act on two goals like Acetylcholinesterase enzyme (Drugs like like Donepezil, Galantamine, Rivastigmine and NMDA receptors (Drug like Memantine). But many potential marks are complicated in AD. Acetylcholinesterase and tau proteins are widely investigated in the intellect tissues in this ailment, but many factors concede possibility provoke the pathogenesis of this ailment. The anomalous prepare of APP by β-secretases and γ -secretases leads to result of A β ₄₀ and A β42 monomers, which further oligomerize and aggregate into doddering plaques  that leads to impairement in neuronal transmission. Generally goals like acetylcholinesterase, Amyloid plaques and Tau proteins are known to cause Alzheimers Disease. But skilled are differing mechanisms like Neurotransmitters connection (GABA, Histaminergic and NMDA), Caspases, beta arrestins, Involvement of ACE, NO are more complicated in the pathogenesis of Alzheimers disease. Some of the gene mutations like APOE, Presenilin (PSEN 1),  Presenilin 2 (PSEN 2) further paves the way for Alzheimers disease. The present study was projected to explore the miscellaneous uncharted targets of Alzheimers disease.

Author(s) Details:

Kondumahanti V. N. Lakshmi,
Nirmala College of Pharmacy, Acharya Nagarjuna University, Atmakur- 522503, Andhra Pradesh, India.

S. K. Abdul Rahaman,
Nirmala College of Pharmacy, Acharya Nagarjuna University, Atmakur- 522503, Andhra Pradesh, India.

G. Sai Sri Lakshmi,
Nirmala College of Pharmacy, Acharya Nagarjuna University, Atmakur- 522503, Andhra Pradesh, India

Please see the link here: https://stm.bookpi.org/CIDHR-V2/article/view/11195

Impairment in Acetylcholinesterase Activity in Different Brain Parts of Female Mice, Mus musculus Following 17 α-Methyltestosterone (Anabolic- Androgenic Steroid) | Chapter 1 | Technological Innovation in Pharmaceutical Research Vol. 10

 Anabolic androgenic steroids (AAS) are synthetic versions of testosterone, the male sex hormone. In this study, we looked at the effects of one of the AAS chemicals, 17-methyltestosterone, on acethylcholinesterase (AChE) enzyme activity in the forebrain, hippocampus, midbrain, and hindbrain of mice.

Adult female mice were randomly assigned to one of four experimental groups, each of which received different dosages of 17-Methyltestosterone (17-MT-0.5, 5.0, and 7.5 mg/kg bwt, respectively) s.c. for 30 days.

Results: A considerable increase in AChE activity in the forebrain and midbrain (low and medium dose treatment) shows that cholinergic neurotransmission efficiency is reduced due to a drop in acetylcholine levels in the trans-synaptic cleft. Furthermore, in 17-MT treated mice, a concomitant drop in AChE activity was detected in the entire brain, hippocampus, and hindbrain, implying that neuronal transmission is impaired. Because AChE activity is mostly responsible for the control of the cholinergic system through acetylcholine hydrolysis, a major decrease in its activity in mice may result in stress-related anxiety, memory loss, and various cognitive and behavioural changes.

Conclusion: Based on the findings, we hypothesise that 17-MT, an alkylated steroid molecule, has a deleterious impact on AChE enzyme activity in several areas of the mouse brain, resulting in neuronal transmission impairment.

Author (S) Details

Sachin B. Patil
Molecular Endocrinology, Reproduction and Development Laboratory, Department of Zoology, Karnatak University, Dharwad-580 003, India.

Praveenkumar Kondaguli
Molecular Endocrinology, Reproduction and Development Laboratory, Department of Zoology, Karnatak University, Dharwad-580 003, India.

Laxmi S. Inamdar
Molecular Endocrinology, Reproduction and Development Laboratory, Department of Zoology, Karnatak University, Dharwad-580 003, India.

View Book :- https://stm.bookpi.org/TIPR-V10/article/view/2838

Lycopodium Alkaloids from Vietnamese Huperzia squarrosa (Forst.) Trevis and Their Anti-cholinesterase Activity | Chapter 7 | Current Advances in Chemistry and Biochemistry Vol. 1

 Vietnamese Huperzia squarrosa was isolated from a sequence of lycopodium alkaloids, namely lycosquarosine A (1), acetylaposerratinine (2), huperzine A (3), huperzine B (4), 8pha-hydrophlemariurine B (5) and huperzinine (6). Among them, the latest natural source metabolite is lycosquarosine A (1). Dose-dependent AChE activity was completely inhibited by lycosquarosine A with an IC50 value of 54.3 μg/mL, while acetylposerratinine (2) displayed greater inhibitory activity than 1 with an IC50 value of 15.2 μg/mL. This outcome suggests that AChE inhibitors may be a potent source of these alkaloids. This is the first paper on H's alkaloid constituents. Vietnamese squarrosa and the possible inhibitory activity of cholinesterase in these compounds may indicate new sources of anti-disease Alzheimer's agents.

Author (s) Details

Nguyen Ngoc Chuong
Faculty of Traditional Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, 217 Hong Bang Street, Ward 11, District 5, Ho Chi Minh City 72200, Vietnam.

Tran Cong Luan
Faculty of Pharmacy and Nurse, Tay Do University, 68 Tran Chien Street, Le Binh Ward, Cai Rang District, Can Tho City 94100, Vietnam.

Manh Hung Tran
Faculty of Pharmacy, Dong A University, 33 Xo Viet Nghe Tinh, Hoa Cuong Nam Ward, Hai Chau District, Da Nang City 550000, Vietnam.

View Book :- https://stm.bookpi.org/CACB-V1/issue/view/12