Watis Warayanon

Mr. Watis Warayanon

Chulalongkorn University, Bangkok, Krung Thep Maha Nakhon, Thailand
orcid

Research Focus & Metrics

Academic Career Length

12Years (2015-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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11 June 2020 in Scientific Reports
Verified
Journal Article
Open access
SSSuporn Sukjamnong
Suporn Sukjamnong
STSurangrat Thongkorn
Surangrat Thongkorn
SKSongphon Kanlayaprasit
Songphon Kanlayaprasit
TSThanit Saeliw
Thanit Saeliw
KHKanlayaphat Hussem
Kanlayaphat Hussem
TSTewarit Sarachana
Tewarit Sarachana
Our recent study revealed that prenatal exposure to bisphenol A (BPA) disrupted the transcriptome profiles of genes in the offspring hippocampus. In addition to genes linked to autism, several genes associated with Alzheimer’s disease (AD) were found to be differentially expressed, although the association between BPA-responsive genes and AD-related genes has not been thoroughly investigated. Here, we demonstrated thatin uteroBPA exposure also disrupted the transcriptome profiles of genes associated with neuroinflammation and AD in the hippocampus. The level of NF-κB protein and its AD-related target geneBace1were significantly increased in the offspring hippocampus in a sex-dependent manner. Quantitative RT-PCR analysis also showed an increase in the expression ofTnfgene. Moreover, the reanalysis of transcriptome profiling data from several previously published BPA studies consistently showed that BPA-responsive genes were significantly associated with top AD candidate genes. The findings from this study suggest that maternal BPA exposure may increase AD risk in offspring by dysregulating genes associated with AD neuropathology and inflammation and reveal a possible relationship between AD and autism, which are linked to the same environmental factor. Sex-specific effects of prenatal BPA exposure on the susceptibility of AD deserve further investigation.

5 September 2022 in Nutrients
Verified
Journal Article
Open access
PDF file
Nattaporn PattarachotanantNattaporn Pattarachotanant
Nattaporn Pattarachotanant
NSNilubon Sornkaew
Nilubon Sornkaew
Watis WarayanonWatis Warayanon
Watis Warayanon
PRPanthakarn Rangsinth
Panthakarn Rangsinth
Chanin SillapachaiyapornChanin Sillapachaiyaporn
Chanin Sillapachaiyaporn
Tewin TencomnaoTewin Tencomnao
Tewin Tencomnao
Hyperglycemia is one of the important causes of neurodegenerative disorders and aging. Aquilaria crassna Pierre ex Lec (AC) has been widely used to relieve various health ailments. However, the neuroprotective and anti-aging effects against high glucose induction have not been investigated. This study aimed to investigate the effects of hexane extract of AC leaves (ACH) in vitro using human neuroblastoma SH-SY5Y cells and in vivo using nematode Caenorhabditis elegans. SH-SY5Y cells and C. elegans were pre-exposed with high glucose, followed by ACH treatment. To investigate neuroprotective activities, neurite outgrowth and cell cycle progression were determined in SH-SY5Y cells. In addition, C. elegans was used to determine ACH effects on antioxidant activity, longevity, and healthspan. In addition, ACH phytochemicals were analyzed and the possible active compounds were identified using a molecular docking study. ACH exerted neuroprotective effects by inducing neurite outgrowth via upregulating growth-associated protein 43 and teneurin-4 expression and normalizing cell cycle progression through the regulation of cyclin D1 and SIRT1 expression. Furthermore, ACH prolonged lifespan, improved body size, body length, and brood size, and reduced intracellular ROS accumulation in high glucose-induced C. elegans via the activation of gene expression in the DAF-16/FoxO pathway. Finally, phytochemicals of ACH were analyzed and revealed that β-sitosterol and stigmasterol were the possible active constituents in inhibiting insulin-like growth factor 1 receptor (IGFR). The results of this study establish ACH as an alternative medicine to defend against high glucose effects on neurotoxicity and aging.

14 September 2023 in Nutrients
Verified
Journal Article
Open access
PDF file
Nattaporn PattarachotanantNattaporn Pattarachotanant
Nattaporn Pattarachotanant
PRPanthakarn Rangsinth
Panthakarn Rangsinth
Watis WarayanonWatis Warayanon
Watis Warayanon
GLGeorge LEUNG
George LEUNG
SCSiriporn Chuchawankul
Siriporn Chuchawankul
Tewin TencomnaoTewin Tencomnao
Tewin Tencomnao
Aquilaria crassna (AC) is a beneficial plant widely used to alleviate various health ailments. Nevertheless, the neuroprotection, antiaging, and xenobiotic detoxification against high benzo[a]pyrene induction have not been investigated. This study aimed to investigate the effects of ethanolic extract of AC leaves (ACEE) in vitro using SH-SY5Y cells and in vivo using Caenorhabditis elegans (C. elegans). Neuroprotective activities and cell cycle progression were studied using SH-SY5Y cells. Additionally, C. elegans was used to determine longevity, health span, and transcriptional analysis. Furthermore, ACEE possible active compounds were analyzed by gas chromatograph–mass spectrometry (GC-MS) analysis and the possible active compounds were evaluated using a molecular docking study. First, ACEE possessed neuroprotective effects by normalizing cell cycle progression via the regulation of AhR/CYP1A1/cyclin D1 pathway. Next, ACEE played a role in xenobiotic detoxification in high B[a]P-induced C. elegans by the amelioration of lifespan reduction, and body length and size decrease through the reduction in gene expression in hexokinase (hxk) and CYP35 pathway. Finally, phytochemicals of ACEE were identified and we uncovered that clionasterol was the possible active constituent in powerfully inhibiting both CYP1A1 and hexokinase II receptor. Essentially, ACEE was recognized as a potential alternative medicine to defend against high B[a]P effects on neurotoxicity and xenobiotic detoxification.

1 November 2015 in Energy Procedia
Verified
Journal Article
Open access
Watis WarayanonWatis Warayanon
Watis Warayanon
STSabaithip Tungkamani
Sabaithip Tungkamani
HSHussanai Sukkathanyawat
Hussanai Sukkathanyawat
MPMonrudee Phongaksorn
Monrudee Phongaksorn
TRTanakorn Ratana
Tanakorn Ratana
TSThana Sornchamni
Thana Sornchamni
Fischer-Tropsch synthesis (FTS) is a key performance in the gas-to-liquid (GTL) process. This research is focused on the effect of Mn promoter on cobalt supported MgO catalyst in Fischer Tropsch reaction. 30wt.%Co/MgO (30CM) and 30wt.%Co/MgO-x wt.%Mn (30CM-x%Mn) were synthesized as an unpromoted and a promoted catalyst, respectively. The effect of Mn promoter and its loading on physical and chemical properties of catalysts were investigated by BET, H2-TPR, H2-TPD and TPSR techniques. The catalytic performance of all catalysts was explored in FTS. The addition of Mn promoter deliberately promotes the FTS activity as well as selectivity towards long chain hydrocarbons in the range of diesel product. Mn promoter beneficially improves the cobalt dispersion and decorating cobalt surface. This behavior is elucidated that Mn is functionalized in term of structural and electronic promoter