Tag: M.W=250-300

Zhang, Xiaowei; Jin, Feng; Jiang, Shiyu; Cao, Jun; Meng, Yanchun; Xu, Yu; ChunmengWang; Chen, Yong; Yang, Huijuan; Kong, Yunyi; Liu, Xin; Luo, Zhiguo published the artcile< Rh-endostatin combined with chemotherapy in patients with advanced or recurrent mucosal melanoma: retrospective analysis of real-world data>, Category: esters-buliding-blocks, the main research area is recombinant human endostatin recurrent mucosal melanoma chemotherapy; Lymphocyte-to-monocyte ratio; Mucosal melanoma; Recombinant human endostatin (Rh-endostatin); Survival.

Mucosal melanoma is rare and has distinct clin. and genetic features. Even with advances in targeted and immune therapies, the survival of patients with advanced or recurrent mucosal melanomas remains poor. The standard treatment remains controversial and we conducted this real-world study aimed to explore continuous i.v. recombinant human endostatin (Rh-endostatin) infusion plus chemotherapy in this population in the first-line setting. Overall, 43 patients with advanced or recurrent mucosal melanoma treated at Fudan University Shanghai Cancer Center between Apr. 2017 and August 2020 were retrospectively included. Patients received dacarbazine plus cisplatin or temozolomide plus cisplatin per the investigators’ preference. Rh-endostatin (105 mg/m2) was administered with continuous infusion for 168 h (Civ 168 h). Of the 43 patients, 72.1% had metastatic disease, and the most common primary site was the gastrointestinal tract (51.2%). The most commonly observed mutations were NRAS (23.1%), BRAF (7.7%) and CKIT mutations (5.1%). An objective response was observed in 12 (30.0%) of the 40 evaluable patients, and disease control was achieved in 31 (77.5%) patients. With a median follow-up of 17.6 mo, the median progression-free survival (PFS) and overall survival (OS) were 4.9 and 15.3 mo, resp. Addnl., high lymphocyte-to-monocyte ratio (LMR) (p = 0.023, HR 0.29, 95% CI: 0.10-0.84) and BRAF/KIT/RAS mutation (p = 0.028, HR 0.24, 95% CI: 0.07-0.86) were independently correlated with prolonged OS. Toxicity was manageable overall. Continuous Rh-endostatin infusion plus chemotherapy was effective and safe for the treatment of advanced or recurrent mucosal melanoma. High LMR was correlated with favorable PFS and OS in this patient population.

Investigational New Drugs published new progress about Anemia. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Category: esters-buliding-blocks.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Takemura, Naho; Sumida, Yuto; Ohmiya, Hirohisa published the artcile< Organic Photoredox-Catalyzed Silyl Radical Generation from Silylboronate>, Related Products of 112-63-0, the main research area is silyl radical generation method silylboronate light driven; three component reaction silyl radical acylimidazole alkene photocatalysis; acylsilane derivative radical preparation heterocyclic carbene photocatalysis.

A visible-light-driven silyl radical generation method from silylboronates was developed. The activation of silylboronates with a catalytic amount of mild base promoted the single-electron oxidation process to form silyl radicals. Facile single electron transfer for the borate form readily occurred without H atom transfer for hydrosilane in the presence of various photoredox catalysts. Combining this protocol with radical-mediated N-heterocyclic carbene catalysis enabled the acylsilylation of alkenes via a radical relay process with silyl radical generation. Also, the recent advanced methods for the synthesis of silylboronates significantly improved the utility of this silyl radical generation alkenes acylimidazole.

ACS Catalysis published new progress about Alkenes Role: RCT (Reactant), RACT (Reactant or Reagent). 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Related Products of 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Sandbhor, Puja; Goda, Jayant. S.; Mohanty, Bhabani; Chaudhari, Pradip; Dutt, Shilpee; Banerjee, Rinti published the artcile< Bio-polymeric transferrin-targeted temozolomide nanoparticles in gel for synergistic post-surgical GBM therapy>, Application In Synthesis of 112-63-0, the main research area is biopolymeric transferrin temozolomide nanoparticle gel synergistic glioblastoma.

Spatiotemporal targeting of anti-glioma drugs remains a pressing issue in glioblastoma (GBM) treatment. We challenge this issue by developing a minimally invasive in situ implantable hydrogel implant comprising transferrin-targeted temozolomide-miltefosine nanovesicles in the surgically resected GBM cavity (tumor bed). Injection of the “”nanovesicle in hydrogel system”” in orthotopic GBM-bearing mice improved drug penetration into the peri-cavitary region (鈭?.5 mm in depth) with the potential to act as a bridge therapy in the immediate postoperative period, before the initiation of adjuvant radiotherapy. The controlled and sustained release of temozolomide over a month in the surgical cavity eradicated the microscopic GBM cells present within the tumor bed, thereby augmenting the efficacy of adjuvant therapy. The drug (temozolomide and miltefosine) combination was tolerable and efficiently inhibited tumor growth, causing significant prolongation of the survival of tumor-bearing mice compared to that with the free drug. Direct implantation at the target site in the brain resulted in spatiotemporal anti-glioma activity with minimal extracranial and systemic distribution. Nanovesicle in flexible hydrogel systems can be used as potential platforms for the post-surgical management of GBM before initiating adjuvant radiation therapy.

Nanoscale published new progress about Apoptosis. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Application In Synthesis of 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Jimenez-Morales, Jose Marcos; Hernandez-Cuenca, Yanet Elisa; Reyes-Abrahantes, Ander; Ruiz-Garcia, Henry; Barajas-Olmos, Francisco; Garcia-Ortiz, Humberto; Orozco, Lorena; Quinones-Hinojosa, Alfredo; Reyes-Gonzalez, Jesus; Abrahantes-Perez, Maria del Carmen published the artcile< MicroRNA delivery systems in glioma therapy and perspectives: A systematic review>, Safety of (9Z,12Z)-Methyl octadeca-9,12-dienoate, the main research area is review glioma microRNA delivery systems antitumor lipid nanoparticles; Drug delivery system; Glioma; MicroRNAs; Molecular targeted therapy; Translational medicine.

A review. Gliomas are the deadliest of all primary brain tumors, and they constitute a serious global health problem. MicroRNAs (miRNAs) are gene expression regulators associated with glioma pathogenesis. Thus, miRNAs represent potential therapeutic agents for treating gliomas. However, miRNAs have not been established as part of the regular clin. armamentarium. This systemic review evaluates current mol. and pre-clin. studies with the aim of defining the most appealing supramol. platform for administering therapeutic miRNA to patients with gliomas. An integrated anal. suggested that cationic lipid nanoparticles, functionalized with octa-arginine peptides, represent a potentially specific, practical, non-invasive intervention for treating gliomas. This supramol. platform allows loading both hydrophilic (miRNA) and hydrophobic (anti-tumor drugs, like temozolomide) mols. This systemic review is the first to describe miRNA delivery systems targeted to gliomas that integrate several types of mols. as active ingredients. Further exptl. validation is warranted to confirm the practical value of miRNA delivery systems.

Journal of Controlled Release published new progress about Antitumor agents. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Safety of (9Z,12Z)-Methyl octadeca-9,12-dienoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Masuda, Yusuke; Tsuda, Hiromu; Murakami, Masahiro published the artcile< Isomerization of Unprotected Aldoses to 2-Deoxyaldonic Acids Induced by Visible Light/Quinuclidine/Water-Soluble Iridium Complex in Water>, Electric Literature of 112-63-0, the main research area is aldose deoxyaldonic acid iridium complex isomerization reaction.

We herein report that a visible light/quinuclidine/water-soluble iridium complex system is highly effective for promoting the isomerization reaction of aldoses to 2-deoxyaldonic acids in water. The product yields and functional group compatibility are much better than those observed with a UV light/water-soluble benzophenone system.

Bulletin of the Chemical Society of Japan published new progress about Absorption spectra. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Electric Literature of 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Zhong, Meiyan; Huang, Yuanting; Zeng, Bo; Xu, Lihui; Zhong, Chunsu; Qiu, Jiahao; Ye, Xunjia; Chen, Mingye; Hu, Bo; Ouyang, Dongyun; He, Xianhui published the artcile< Induction of multiple subroutines of regulated necrosis in murine macrophages by natural BH3-mimetic gossypol>, Recommanded Product: Ethyl 3-amino-4-(cyclohexylamino)benzoate, the main research area is bone marrow macrophage necrosis BH3 gossypol; BH3-mimetic; gossypol; macrophages; necroptosis; pyroptosis; secondary necrosis.

Macrophages are critical sentinel cells armed with multiple regulated necrosis pathways, including pyroptosis, apoptosis followed by secondary necrosis, and necroptosis, and are poised to undergo distinct form(s) of necrosis for tackling dangers of pathogenic infection or toxic exposure. The natural BH3-mimetic gossypol is a toxic phytochem. that can induce apoptosis and/or pyroptotic-like cell death, but what exact forms of regulated necrosis are induced remains largely unknown. Here we demonstrated that gossypol induces pyroptotic-like cell death in both unprimed and lipopolysaccharide-primed mouse bone marrow-derived macrophages (BMDMs), as evidenced by membrane swelling and ballooning accompanied by propidium iodide incorporation and lactic acid dehydrogenase release. Notably, gossypol simultaneously induces the activation of both pyroptotic and apoptotic (followed by secondary necrosis) pathways but only weakly activates the necroptosis pathway. Unexpectedly, gossypol-induced necrosis is independent of nucleotide-binding oligomerization domain-like receptor family pyrin domain containing 3 (NLRP3) inflammasome, as neither inhibitor for the NLRP3 pathway nor NLRP3 deficiency protects the macrophages from the necrosis. Furthermore, necrotic inhibitors or even pan-caspase inhibitor alone does not or only partly inhibit such necrosis. Instead, a combination of inhibitors composed of pan-caspase inhibitor IDN-6556, RIPK3 inhibitor GSK’872 and NADPH oxidase inhibitor GKT137831 not only markedly inhibits the necrosis, with all apoptotic and pyroptotic pathways being blocked, but also attenuates gossypol-induced peritonitis in mice. Lastly, the activation of the NLRP3 pathway and apoptotic caspase-3 appears to be independent of each other. Collectively, gossypol simultaneously induces the activation of multiple subroutines of regulated necrosis in macrophages depending on both apoptotic and inflammatory caspases.

Acta Biochimica et Biophysica Sinica published new progress about Apoptosis. 347174-05-4 belongs to class esters-buliding-blocks, and the molecular formula is C15H22N2O2, Recommanded Product: Ethyl 3-amino-4-(cyclohexylamino)benzoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Yang, Fan; Li, Ya; Sheng, Xun; Liu, Yu published the artcile< Paeoniflorin treatment regulates TLR4/NF- κB signaling, reduces cerebral oxidative stress and improves white matter integrity in neonatal hypoxic brain injury>, Synthetic Route of 112-63-0, the main research area is paeoniflorin oxidative stress white matter hypoxic brain injury; Brain injury; Hypoxia; Neuroinflammation; Paeoniflorin; TLR4/NF-κB signaling.

Neonatal hypoxia/ischemia (H/I), injures white matter, results in neuronal loss, disturbs myelin formation, and neural network development. Neuroinflammation and oxidative stress have been reported in neonatal hypoxic brain injuries. We investigated whether Paeoniflorin treatment reduced H/I-induced inflammation and oxidative stress and improved white matter integrity in a neonatal rodent model. Seven-day old Sprague-Dawley pups were exposed to H/I. Paeoniflorin (6.25, 12.5, or 25 mg/kg body weight) was administered every day via oral gavage from postpartum day 3 (P3) to P14, and an hour before induction of H/I. Pups were sacrificed 24 h (P8) and 72 h (P10) following H/I. Paeoniflorin reduced the apoptosis of neurons and attenuated cerebral infarct volume Elevated expression of cleaved caspase-3 and Bad were regulated. Paeoniflorin decreased oxidative stress by lowering levels of malondialdehyde and reactive oxygen species generation and while, and it enhanced glutathione content. Microglial activation and the TLR4/NF-κB signaling were significantly down-regulated. The degree of inflammatory mediators (interleukin 1β and tumor necrosis factor-α) were reduced. Paeoniflorin markedly prevented white matter injury via improving expression of myelin binding protein and increasing O1-pos. olidgodendrocyte and O4-pos. oligodendrocyte counts. The present investigation demonstrates the potent protective efficiency of paeoniflorin supplementation against H/I-induced brain injury by effectually preventing neuronal loss, microglial activation, and white matter injury via reducing oxidative stress and inflammatory pathways.

Korean Journal of Physiology & Pharmacology published new progress about Allograft inflammatory factor 1 Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Synthetic Route of 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Sousa, Andressa Rodrigues de Oliveira; Silva, Edson Mario de Andrade; Filho, Mauricio Antonio Coelho; Costa, Marcio Gilberto Cardoso; Filho, Walter dos Santos Soares; Micheli, Fabienne; Maserti, Biancaelena; Gesteira, Abelmon da Silva published the artcile< Metabolic responses to drought stress and rehydration in leaves and roots of three Citrus scion/rootstock combinations>, Electric Literature of 112-63-0, the main research area is Citrus scion rootstock drought stress leaf metabolite rehydration.

Drought is one of the most destructive environmental challenges for agriculture, and citrus trees are cultivated in semiarid areas. The current study used physiol. and untarget mass spectrometry anal. to assess the differential response to drought and rehydration in leaves and roots of three scion/rootstock combinations in which the same scion Valencia Orange was grafted onto three different rootstocks, namely, ‘Rangpur Lime’, ‘Sunki Maravilha’ and ‘Sunki Tropical’, known to have a different response to drought. The main question to be answer was whether the soil disease tolerant ‘Sunki Tropicalp could be used as alternative to the drought tolerant/disease susceptible rootstock ‘Rangpur lime’ to cultivate citrus in semiarid areas. Thirty-seven metabolites in leaves and forty-six in roots, mainly amino acids, as well as a few carbohydrates and organic acids were found differentially expressed after drought and/or rehydration in the three combinations. Overall, the results demonstrated that the three scion/rootstock combinations responded differently at metabolite levels to water changes. The few leaf metabolites found in the scion grafted on ‘Rangpur Lime’ and ‘Sunki Maravilha’ support the resp. drought avoidance and tolerance strategy, already observed in those rootstocks’. Rangur Lime’ and ‘Sunki Tropical’ shared at roots levels several common drought response mechanisms. Moreover, the high number of differential metabolites triggered in the scion by ‘Sunki Tropical’ seems to be useful for overcoming the drought effects without depleting the fruit quality. From our data, we argue that ‘Sunki Tropical’ is a drought tolerant genotypes that could be used as alternative to ‘Ranpur Lime’ to sustain citrus production in semiarid areas.

Scientia Horticulturae (Amsterdam, Netherlands) published new progress about Amino acids Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Electric Literature of 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Chen, Yue; Yi, Xin; Huo, Bo; He, Yi; Guo, Xian; Zhang, Zihao; Zhong, Xiaoxuan; Feng, Xin; Fang, Ze-Min; Zhu, Xue-Hai; Wei, Xiang; Jiang, Ding-Sheng published the artcile< BRD4770 functions as a novel ferroptosis inhibitor to protect against aortic dissection>, SDS of cas: 347174-05-4, the main research area is gene expression BRD4770 ferroptosis inhibitor aortic dissection smooth musclecell; Aortic dissection; BRD4770; Ferroptosis; Histone methylation; Inflammation; Smooth muscle cell.

Smooth muscle cell (SMC) loss is the characteristic feature in the pathogenesis of aortic dissection (AD), and ferroptosis is a novel iron-dependent regulated cell death driven by the excessive lipid peroxidation accumulation. However, whether targeting ferroptosis is an effective approach for SMC loss and AD treatment remains unclear. Here, we found that the iron level, ferroptosis-related mols. TFR, HOMX1, ferritin and the lipid peroxidation product 4-hydroxynonenal were increased in the aorta of AD. Then, we screened several inhibitors of histone methyltransferases and found that BRD4770 had a protective effect on cystine deprivation-, imidazole ketone erastin- or RSL3-induced ferroptosis of SMCs. The classic ferroptosis pathways, System Xc–GPX4, FSP1-CoQ10 and GCH1-BH4 pathways which were inhibited by ferroptosis inducers, were re-activated by BRD4770 via inhibiting mono-, di- and tri- methylated histone H3 at lysine 9 (H3K9me1/2/3). RNA-sequencing anal. revealed that there was a pos. feedback regulation between ferroptosis and inflammatory response, and BRD4770 can reverse the effects of inflammation activation on ferroptosis. More importantly, treatment with BRD4770 attenuated aortic dilation and decreased morbidity and mortality in a β-Aminopropionitrile monofumarate-induced mouse AD model via inhibiting the inflammatory response, lipid peroxidation and ferroptosis. Taken together, our findings demonstrate that ferroptosis is a novel and critical pathol. mechanism that is involved in SMC loss and AD development. BRD4770 is a novel ferroptosis inhibitor and has equivalent protective effect to Ferrostatin-1 at the optimal concentration Translating insights into the anti-ferroptosis effects of BRD4770 may reveal a potential therapeutic approach for targeting SMC ferroptosis in AD.

Pharmacological Research published new progress about Animal gene, CXCL1 Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 347174-05-4 belongs to class esters-buliding-blocks, and the molecular formula is C15H22N2O2, SDS of cas: 347174-05-4.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Chen, Shulun; Guo, Wei; Liu, Xiaohua; Sun, Pu; Wang, Yi; Ding, Chunyong; Meng, Linghua; Zhang, Ao published the artcile< Design, synthesis and antitumor study of a series of N-Cyclic sulfamoylaminoethyl substituted 1,2,5-oxadiazol-3-amines as new indoleamine 2,3-dioxygenase 1 (IDO1) inhibitors>, Name: (9Z,12Z)-Methyl octadeca-9,12-dienoate, the main research area is cyclic sulfamoylaminoethyloxadiazolamine preparation antitumor indoleamine dioxygenase inhibitor human; Immunotherapy; Indoleamine 2,3-dioxygenase; Life span; Oxadiazole; PD-1.

Indoleamine 2,3-dioxygenase 1 (IDO1) plays a key role in tryptophan catabolism which is an important mechanism in immune tolerance. The small mol. epacadostat is the most advanced IDO1 inhibitor, but its phase III trials as a single agent or in combinations with PD-1 antibody failed to show appreciable objective responses. To gain more insight on the antitumor efficacy of IDO1 inhibitors, a series of analogs of epacadostat by incorporating a cyclic aminosulfonamide moiety as the sidechain capping functionality has been designed. N-(3-bromo-4-fluorophenyl)-4-((2-(1,1-dioxido-1,2,5-thiadiazolidin-2-yl)ethyl)amino)-N’-hydroxy-1,2,5-oxadiazole-3-carboximidamide was found to display significant potency against recombinant hIDO1 and hIDO1 expressed HEK293 cancer cells and this compound has improved physico-chem. properties, acceptable PK parameters as well as optimal cardiac safety. Similar to epacadostat, the above compound is ineffective as single agent in the CT-26 syngeneic xenograft model, however, the combination of this compound with PD-1 antibody showed both elevated tumor growth inhibition and prolonged median life span.

European Journal of Medicinal Chemistry published new progress about Antitumor agents. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Name: (9Z,12Z)-Methyl octadeca-9,12-dienoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics