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  1. Article: IN-SILICO dynamic analysis of Sulawesi propolis as anti-endometriosis drug: Interaction study with TNF alpha receptor, NF-kB, estrogen receptor, progesterone receptor and prostaglandin receptor.

    Situmorang, Herbert / Hestiantoro, Andon / Purbadi, Sigit / Flamandita, Darin / Sahlan, Muhamad

    Annals of medicine and surgery (2012)

    2021  Volume 67, Page(s) 102459

    Abstract: Introduction: Endometriosis is a disease that impacts around 10% of all women in reproductive age, with pelvic pain and infertility as its main clinical features. Current medical treatment targeting lowering estrogen activity has not shown sufficient ... ...

    Abstract Introduction: Endometriosis is a disease that impacts around 10% of all women in reproductive age, with pelvic pain and infertility as its main clinical features. Current medical treatment targeting lowering estrogen activity has not shown sufficient result due its side effects and reproductive function suppression. Propolis has been widely studied, showing anti inflammation and pro-apoptosis property, that could potentially be used in the treatment of endometriosis. This study investigates the interaction between Sulawesi Propolis' active components and receptors and protein related to endometriosis pathogenesis.
    Methods: Active components of Sulawesi Propolis were initially identified with their targeted protein receptors. Lipinski rules were used to screen potential components. The ligands and proteins were tested using Autodock program to predict the most active compound and possible binding sites between propolis and some target proteins associated with inflammatory and apoptotic activity in endometriosis models. Receptor modelling is then performed using Swiss-Model.
    Results: These active components of Sulawesi Propolis showed a strong binding potential towards TNF- α, NF-kb, Estrogen-α, Estrogen-β, progesterone B, PGE2 EP2 and EP3 subtype respectively: Sanggenon C, Sanggenon H, Epicryptoacetalide, Chrysin-7-O-β-D-glucopyranodside, Irilone, Polydatin and Epicryptoacetalide. Compared to its negative ligand, Sulawesi Propolis displayed a stronger binding capacity to TNF-α, Estrogen-α, and Progesterone B receptors.
    Conclusion: Sulawesi Propolis has the ability to interact with receptors related to reproductive function, apoptotic reactions and inflammatory processes, a significant factor associated with the pathogenesis of endometriosis.
    Language English
    Publishing date 2021-06-17
    Publishing country England
    Document type Journal Article
    ZDB-ID 2745440-X
    ISSN 2049-0801
    ISSN 2049-0801
    DOI 10.1016/j.amsu.2021.102459
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: The beneficial effect of Indonesian propolis wax from

    Farida, Siti / Sahlan, Muhamad / Rohmatin, Etin / Adawiyah, Robiatul

    Saudi journal of biological sciences

    2019  Volume 27, Issue 1, Page(s) 142–146

    Abstract: Vaginal candidiasis characterized by abnormal vaginal discharge and itching usually treated by azole's drug or nystatin; however, some results of treatment are unsatisfied and become recurrent. Propolis containing polyphenols and flavonoids is known to ... ...

    Abstract Vaginal candidiasis characterized by abnormal vaginal discharge and itching usually treated by azole's drug or nystatin; however, some results of treatment are unsatisfied and become recurrent. Propolis containing polyphenols and flavonoids is known to have anti-inflammatory and antimicrobial activity. This study investigated the effect of Indonesian propolis wax from
    Language English
    Publishing date 2019-06-15
    Publishing country Saudi Arabia
    Document type Journal Article
    ZDB-ID 2515206-3
    ISSN 2213-7106 ; 1319-562X
    ISSN (online) 2213-7106
    ISSN 1319-562X
    DOI 10.1016/j.sjbs.2019.06.010
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Immobilization of Cholesterol Oxidase from Streptomyces Sp. on Magnetite Silicon Dioxide by Crosslinking Method for Cholesterol Oxidation.

    Perdani, Meka Saima / Sahlan, Muhamad / Yohda, Masafumi / Hermansyah, Heri

    Applied biochemistry and biotechnology

    2020  Volume 191, Issue 3, Page(s) 968–980

    Abstract: Enzymatic biosensor has been paid much attention to the research fields due to its advantage in medical application. As one of the application, we determined the optimum value of cholesterol oxidase against cholesterol. In this work, we studied the ... ...

    Abstract Enzymatic biosensor has been paid much attention to the research fields due to its advantage in medical application. As one of the application, we determined the optimum value of cholesterol oxidase against cholesterol. In this work, we studied the behavior of cholesterol oxidation by enzymatic reaction to get the optimum condition for cholesterol oxidation. The enzyme that used were in two form, free cholesterol oxidase, and immobilized cholesterol oxidase. Cholesterol oxidase was produced from Streptomyces sp. by using solid state fermentation method and identified had high enzyme activity to be 5.12 U/mL. Cholesterol oxidase was simultaneously crosslinked immobilized onto magnetite coated by silicon dioxide (M-SiO
    MeSH term(s) Biosensing Techniques ; Cholesterol/chemistry ; Cholesterol Oxidase/chemistry ; Cross-Linking Reagents/chemistry ; Enzyme Stability ; Enzymes, Immobilized/chemistry ; Fermentation ; Ferrosoferric Oxide/chemistry ; Industrial Microbiology ; Kinetics ; Metals/chemistry ; Microscopy, Electron, Scanning ; Oxygen/chemistry ; Silicon Dioxide/chemistry ; Spectroscopy, Fourier Transform Infrared ; Streptomyces/enzymology ; Substrate Specificity ; Temperature
    Chemical Substances Cross-Linking Reagents ; Enzymes, Immobilized ; Metals ; Silicon Dioxide (7631-86-9) ; Cholesterol (97C5T2UQ7J) ; Cholesterol Oxidase (EC 1.1.3.6) ; Oxygen (S88TT14065) ; Ferrosoferric Oxide (XM0M87F357)
    Language English
    Publishing date 2020-01-16
    Publishing country United States
    Document type Journal Article
    ZDB-ID 392344-7
    ISSN 1559-0291 ; 0273-2289
    ISSN (online) 1559-0291
    ISSN 0273-2289
    DOI 10.1007/s12010-020-03241-w
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: In-vitro antioxidant, in-vivo anti-inflammatory, and acute toxicity study of Indonesian propolis capsule from

    Farida, Siti / Pratami, Diah Kartika / Sahlan, Muhamad / Laksmitawati, Dian Ratih / Rohmatin, Etin / Situmorang, Herbert

    Saudi journal of biological sciences

    2021  Volume 29, Issue 4, Page(s) 2489–2500

    Abstract: Propolis is widely used as traditional medicine since ancient times. It was necessary to conduct the pre-clinical study because of its relevant curative properties. This study aimed to investigate in-vitro antioxidant, standardize quality parameters, ... ...

    Abstract Propolis is widely used as traditional medicine since ancient times. It was necessary to conduct the pre-clinical study because of its relevant curative properties. This study aimed to investigate in-vitro antioxidant, standardize quality parameters, study acute toxicity, and determine in-vivo anti-inflammatory. Three spectrophotometric methods were used to determine antioxidant activity. The standardization includes physical, chemical, and microbiological evaluation. Furthermore, an acute toxicity test was conducted using 20 female Sprague Dawley (SD) strain rats divided into 4 groups with different dose of propolis. The in vivo anti-inflammatory test was carried out using the carrageenan induction method on rats' soles. A total of 36 female SD rats were classified into 6 groups as follows, Group normal, negative control, diclofenac sodium, and three propolis groups (72; 144; and 288 mg/kg BW). The results demonstrated the IC
    Language English
    Publishing date 2021-12-16
    Publishing country Saudi Arabia
    Document type Journal Article
    ZDB-ID 2515206-3
    ISSN 2213-7106 ; 1319-562X
    ISSN (online) 2213-7106
    ISSN 1319-562X
    DOI 10.1016/j.sjbs.2021.12.034
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Metabolome analysis and chemical profiling of Indonesian royal jellies as the raw material for cosmetic and bio-supplement products.

    Sari, Eka / Mahira, Kaysa Faradis / Patel, Dhavalkumar Narendrabhai / Chua, Lee Suan / Pratami, Diah Kartika / Sahlan, Muhamad

    Heliyon

    2021  Volume 7, Issue 5, Page(s) e06912

    Abstract: Royal jellies (RJs) possess moisturizing, emulsifying, and stabilizing properties, and several pharmacological activities have also been found to be present, which make them an ideal component for cosmetic and skin care products. However, despite the ... ...

    Abstract Royal jellies (RJs) possess moisturizing, emulsifying, and stabilizing properties, and several pharmacological activities have also been found to be present, which make them an ideal component for cosmetic and skin care products. However, despite the abundant efficacies, there is a lack of studies that explore the chemical composition of RJ using metabolome analysis. Furthermore, an evaluation of the chemical composition of Indonesian RJs collected from different regions has yet to be carried out. Therefore, the main objective of this study was to identify any differences in the chemical composition of such RJs. Chemical profiling was also carried out to enable more targeted utilization based on the actual compositions. Chemical profiling is also important given the rich Indonesian biodiversity and the high dependence of the RJ compositions on the botanical source. In this research, ultra-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry was used as part of an untargeted metabolomics approach. From the chemical profiling, >30 compounds were identified across four RJ samples. The major constituents of the samples were found to be oligosaccharides, fatty acids, and adenosine monophosphate derivatives. Meanwhile, sucrose and planteose were found to be highest in the samples from Banjarnegara and Kediri, whereas dimethyloctanoic acid was found to be unique to the sample from Banjarnegara. It was also discovered that the RJs from Demak and Tuban contained more organic fatty acids and oligosaccharides than the other samples. Although the sample from Demak demonstrated good potential for use in the cosmetic, skin care, and bio-supplement industries, the higher abundance of fatty acids and oligosaccharides in the sample from Tuban indicated that it is perhaps the most suitable RJ for use in this field.
    Language English
    Publishing date 2021-05-03
    Publishing country England
    Document type Journal Article
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2021.e06912
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Anti-Breast Cancer Activity on MCF-7 Cells of Melittin from Indonesia's Apis cerana: An In Vitro Study.

    Lischer, Kenny / Sitorus, Shania Rosita Angelica / Guslianto, Brian Wirawan / Avila, Forbes / Khayrani, Apriliana Cahya / Sahlan, Muhamad

    Asian Pacific journal of cancer prevention : APJCP

    2021  Volume 22, Issue 12, Page(s) 3913–3919

    Abstract: Objective: Breast cancer is the most common case of cancers. Apitheraphy has been traditionally used for abundance diseases. This study aims to evaluate and compare the anti-breast cancer activity of melittin from Indonesia's Apic cerana as a potential ... ...

    Abstract Objective: Breast cancer is the most common case of cancers. Apitheraphy has been traditionally used for abundance diseases. This study aims to evaluate and compare the anti-breast cancer activity of melittin from Indonesia's Apic cerana as a potential drug for treating breast cancer.
    Methods: Apis cerana bee venom (BV) was collected from a bee farm in Cikurutung, Bandung using an electrical venom device. The BV was then purified using the ÄKTA Start system and HiTrap™ SP HP cation exchange chromatography column. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) was used to identify melittin based on its molecular mass and lowry's protein assay to measure melittin concentration. Melittin cytotoxicity was measured with brine shrimp lethality test (BSLT), while MCF-7 breast cancer cells MTT assay was used to measure its anti-breast cancer activity, based on inhinition rate.
    Results: 95.432 μg/mL melittin is purified from 62.8 mg/L BV, using  cation exchange chromatography. Melittin in vitro analysis with MCF-7 MTT assay is used to determine anti-breast cancer activity in dose dependent manner. Furthermore, melttin BSLT result showed a LC50 16.67675 μg/mL. Therefore, the MTT assay  was conducted in 5, 10 and 15 μg/mL with MCF-7 inhibition values of 0.768 ± 0.014, 3.303 ± 0.011, and 35.714 ± 0.009 %, respectively.
    Conclusion: Indonesia's Apis cerana has the potential to be used as a therapeutic peptide for breast cancer treatment.
    MeSH term(s) Animals ; Antineoplastic Agents/pharmacology ; Bees ; Breast Neoplasms/drug therapy ; Female ; Humans ; Indonesia ; MCF-7 Cells/drug effects ; Melitten/pharmacology
    Chemical Substances Antineoplastic Agents ; Melitten (20449-79-0)
    Language English
    Publishing date 2021-12-01
    Publishing country Thailand
    Document type Journal Article
    ZDB-ID 2218955-5
    ISSN 2476-762X ; 1513-7368
    ISSN (online) 2476-762X
    ISSN 1513-7368
    DOI 10.31557/APJCP.2021.22.12.3913
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Molecular docking and dynamics studies on propolis sulabiroin-A as a potential inhibitor of SARS-CoV-2.

    Fatriansyah, Jaka Fajar / Rizqillah, Raihan Kenji / Yandi, Muhamad Yusup / Fadilah / Sahlan, Muhamad

    Journal of King Saud University. Science

    2021  Volume 34, Issue 1, Page(s) 101707

    Abstract: Molecular docking and dynamics simulations were conducted to investigate the antiviral activity of Propolis Sulabiroin-A to inhibit the SARS-CoV-2 virus with quercetin, hesperidin, and remdesivir as control ligands. The parameters calculated were docking ...

    Abstract Molecular docking and dynamics simulations were conducted to investigate the antiviral activity of Propolis Sulabiroin-A to inhibit the SARS-CoV-2 virus with quercetin, hesperidin, and remdesivir as control ligands. The parameters calculated were docking score and binding energy/molecular mechanics-generalized born surface area (MMGBSA), root mean square displacement (RMSD), and root mean square fluctuation (RMSF). Docking and MMGBSA scores showed that all the ligands demonstrate an excellent candidate as an inhibitor, and the order of both scores is hesperidin, remdesivir, quercetin, and sulabiroin-A. The molecular dynamics simulation showed that all the ligands are good candidates as inhibitors. Although the fluctuation of Sulabiroin-A is relatively high, it has less protein-ligand interaction time than other ligands. Overall, there is still a good possibility that sulabiroin-A can be used as an alternative inhibitor if a new structure of receptor SARS-CoV-2 is used.
    Language English
    Publishing date 2021-11-15
    Publishing country Saudi Arabia
    Document type Journal Article
    ISSN 2213-686X
    ISSN (online) 2213-686X
    DOI 10.1016/j.jksus.2021.101707
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  8. Article ; Online: Isolation of cyanide-degrading bacteria and molecular characterization of its cyanide-degrading nitrilase.

    Terada, Ayane / Komatsu, Daisuke / Ogawa, Takahiro / Flamandita, Darin / Sahlan, Muhamad / Nishimura, Minoru / Yohda, Masafumi

    Biotechnology and applied biochemistry

    2021  Volume 69, Issue 1, Page(s) 183–189

    Abstract: Hydrogen cyanide is an industrially important chemical, and its annual production is more than 1.5 million tons. Because of its toxicity, the cyanide-containing effluents from industries have caused many environmental problems. Among various methods to ... ...

    Abstract Hydrogen cyanide is an industrially important chemical, and its annual production is more than 1.5 million tons. Because of its toxicity, the cyanide-containing effluents from industries have caused many environmental problems. Among various methods to treat the contaminated soils or water, the biological degradation is regarded to be promising. We isolated two cyanide-degrading microorganisms, Pedobacter sp. EBE-1 and Bacillus sp. EBE-2, from soil contaminated with cyanide. Among these bacteria, Bacillus sp. EBE-2 exhibited significantly a high cyanide-degrading ability. Bacillus sp. EBE-2 might be used for the remediation of cyanide contaminated water or soil. A nitrilase gene was cloned from Bacillus sp. EBE-2. Bacillus nitrilase was expressed in Escherichia coli and purified. Bacillus nitrilase exhibited cyanide-degrading activity as a large oligomer. Since formic acid formation from cyanide was observed, Bacillus nitrilase is likely to be a cyanide hydrolase. Although there exist various homologous enzymes annotated as carbon-nitrogen family hydrolases, this is the first report on the cyanide degrading activity. The structure and catalytic site of Bacillus nitrilase were studied by homology modeling and molecular docking simulation.
    MeSH term(s) Aminohydrolases/genetics ; Bacteria ; Biodegradation, Environmental ; Cyanides ; Molecular Docking Simulation
    Chemical Substances Cyanides ; Aminohydrolases (EC 3.5.4.-) ; nitrilase (EC 3.5.5.1)
    Language English
    Publishing date 2021-01-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 883433-7
    ISSN 1470-8744 ; 0885-4513
    ISSN (online) 1470-8744
    ISSN 0885-4513
    DOI 10.1002/bab.2095
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  9. Article: Prefoldin, a jellyfish-like molecular chaperone: functional cooperation with a group II chaperonin and beyond.

    Sahlan, Muhamad / Zako, Tamotsu / Yohda, Masafumi

    Biophysical reviews

    2018  Volume 10, Issue 2, Page(s) 339–345

    Abstract: Prefoldin is a hexameric molecular chaperone found in the cytosol of archaea and eukaryotes. Its hexameric complex is built from two related classes of subunits and has the appearance of a jellyfish: its body consists of a double beta-barrel assembly ... ...

    Abstract Prefoldin is a hexameric molecular chaperone found in the cytosol of archaea and eukaryotes. Its hexameric complex is built from two related classes of subunits and has the appearance of a jellyfish: its body consists of a double beta-barrel assembly with six long tentacle-like coiled coils protruding from it. Using the tentacles, prefoldin captures an unfolded protein substrate and transfers it to a group II chaperonin. The prefoldin-group II chaperonin system is thought to be important for the folding of newly synthesized proteins and for their maintenance, or proteostasis, in the cytosol. Based on structural information of archaeal prefoldins, the mechanisms of substrate recognition and prefoldin-chaperonin cooperation have been investigated. In contrast, the role and mechanism of eukaryotic PFDs remain unknown. Recent studies have shown that prefoldin plays an important role in proteostasis and is involved in various diseases. In this paper, we review a series of studies on the molecular mechanisms of archaeal prefoldins and introduce recent findings about eukaryotic prefoldin.
    Language English
    Publishing date 2018-02-09
    Publishing country Germany
    Document type Journal Article ; Review
    ZDB-ID 2486483-3
    ISSN 1867-2469 ; 1867-2450
    ISSN (online) 1867-2469
    ISSN 1867-2450
    DOI 10.1007/s12551-018-0400-0
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  10. Article ; Online: Utilizing rice straw and sugarcane bagasse as low-cost feedstocks towards sustainable production of succinic acid.

    Putri, Dwini Normayulisa / Pratiwi, Shabrina Firlyannisa / Perdani, Meka Saima / Rosarina, Desy / Utami, Tania Surya / Sahlan, Muhamad / Hermansyah, Heri

    The Science of the total environment

    2022  Volume 862, Page(s) 160719

    Abstract: Succinic acid (SA) has been produced from rice straw (RS) and sugarcane bagasse (SB) as low-cost feedstocks in this study through sequential peracetic acid (PA) and alkaline peroxide (AP) pretreatment assisted by ultrasound and pre-hydrolysis followed by ...

    Abstract Succinic acid (SA) has been produced from rice straw (RS) and sugarcane bagasse (SB) as low-cost feedstocks in this study through sequential peracetic acid (PA) and alkaline peroxide (AP) pretreatment assisted by ultrasound and pre-hydrolysis followed by simultaneous saccharification and fermentation (PSSF). The effect of yeast extract (YE) concentration, inoculum concentration, and biomass type on SA production was investigated. The results showed that SA production from RS and SB was significantly affected by the YE concentration. Final concentration and yield of SA produced were significantly increased along with the increasing of YE concentration. Moreover, inoculum concentration significantly affected the SA production from SB. Higher inoculum concentration led to higher SA production. On the other hand, SA production from RS was not significantly affected by the inoculum concentration. Using RS as the feedstock, the highest SA production was achieved on the medium containing 15 g/L YE with 5 % v/v inoculum, obtaining SA concentration and yield of 3.64 ± 0.1 g/L and 0.18 ± 0.05 g/g biomass, respectively. Meanwhile, the highest SA production from SB was acquired on the medium containing 10 g/L YE with 7.5 % v/v inoculum, resulting SA concentration and yield of 5.1 ± 0.1 g/L and 0.25 ± 0.05 g/g biomass, respectively. This study suggested that RS and SB are potential to be used as low-cost feedstocks for sustainable and environmentally friendly SA production through ultrasonic-assisted PA and AP pretreatment and PSSF.
    Language English
    Publishing date 2022-12-05
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2022.160719
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