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1.
J Med Chem ; 65(4): 3518-3538, 2022 02 24.
Artigo em Inglês | MEDLINE | ID: mdl-35108011

RESUMO

The identification of agonists of the stimulator of interferon genes (STING) pathway has been an area of intense research due to their potential to enhance innate immune response and tumor immunogenicity in the context of immuno-oncology therapy. Initial efforts to identify STING agonists focused on the modification of 2',3'-cGAMP (1) (an endogenous STING activator ligand) and other closely related cyclic dinucleotides (CDNs). While these efforts have successfully identified novel CDNs that have progressed into the clinic, their utility is currently limited to patients with solid tumors that STING agonists can be delivered to intratumorally. Herein, we report the discovery of a unique class of non-nucleotide small-molecule STING agonists that demonstrate antitumor activity when dosed intratumorally in a syngeneic mouse model.


Assuntos
Proteínas de Membrana/agonistas , Animais , Cristalografia por Raios X , AMP Cíclico/química , AMP Cíclico/farmacologia , GMP Cíclico/química , GMP Cíclico/farmacologia , Feminino , Humanos , Imunidade Inata/efeitos dos fármacos , Imunoterapia/métodos , Proteínas de Membrana/química , Camundongos , Camundongos Endogâmicos BALB C , Modelos Moleculares , Neoplasias/imunologia , Transdução de Sinais/efeitos dos fármacos , Bibliotecas de Moléculas Pequenas
2.
Acta Crystallogr F Struct Biol Commun ; 78(Pt 1): 17-24, 2022 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-34981771

RESUMO

The X-ray crystal structure of a human cardiac muscle troponin C/troponin I chimera has been determined in two different crystal forms and shows a conformation of the complex that differs from that previously observed by NMR. The chimera consists of the N-terminal domain of troponin C (cTnC; residues 1-80) fused to the switch region of troponin I (cTnI; residues 138-162). In both crystal forms, the cTnI residues form a six-turn α-helix that lays across the hydrophobic groove of an adjacent cTnC molecule in the crystal structure. In contrast to previous models, the cTnI helix runs in a parallel direction relative to the cTnC groove and completely blocks the calcium desensitizer binding site of the cTnC-cTnI interface.


Assuntos
Troponina C , Troponina I , Cálcio/química , Cristalografia por Raios X , Humanos , Modelos Moleculares , Miocárdio/química , Ligação Proteica , Proteínas Recombinantes de Fusão/química , Troponina C/análise , Troponina C/química , Troponina I/análise , Troponina I/química
3.
ACS Med Chem Lett ; 12(5): 827-835, 2021 May 13.
Artigo em Inglês | MEDLINE | ID: mdl-34055233

RESUMO

Structure-activity relationship studies directed toward the replacement of the fused phenyl ring of the lead hexahydrobenzoindole RORγt inverse agonist series represented by 1 with heterocyclic moieties led to the identification of three novel aza analogs 5-7. The hexahydropyrrolo[3,2-f]quinoline series 5 (X = N, Y = Z=CH) showed potency and metabolic stability comparable to series 1 but with improved in vitro membrane permeability and serum free fraction. This structural modification was applied to the hexahydrocyclopentanaphthalene series 3, culminating in the discovery of 8e as a potent and selective RORγt inverse agonist with an excellent in vitro profile, good pharmacokinetic properties, and biologic-like in vivo efficacy in preclinical models of rheumatoid arthritis and psoriasis.

4.
J Med Chem ; 64(5): 2714-2724, 2021 03 11.
Artigo em Inglês | MEDLINE | ID: mdl-33591748

RESUMO

SAR efforts directed at identifying RORγt inverse agonists structurally different from our clinical compound 1 (BMS-986251) led to tricyclic-carbocyclic analogues represented by 3-7 and culminated in the identification of 3d (BMS-986313), with structural differences distinct from 1. The X-ray co-crystal structure of 3d with the ligand binding domain of RORγt revealed several key interactions, which are different from 1. The in vitro and in vivo PK profiles of 3d are described. In addition, we demonstrate robust efficacy of 3d in two preclinical models of psoriasis-the IMQ-induced skin lesion model and the IL-23-induced acanthosis model. The efficacy seen with 3d in these models is comparable to the results observed with 1.


Assuntos
Amidas/uso terapêutico , Hidrocarbonetos Cíclicos/uso terapêutico , Membro 3 do Grupo F da Subfamília 1 de Receptores Nucleares/antagonistas & inibidores , Psoríase/tratamento farmacológico , Amidas/química , Amidas/farmacocinética , Animais , Agonismo Inverso de Drogas , Feminino , Humanos , Hidrocarbonetos Cíclicos/química , Hidrocarbonetos Cíclicos/farmacocinética , Interleucina-23 , Camundongos Endogâmicos C57BL , Microssomos Hepáticos/metabolismo , Estrutura Molecular , Psoríase/induzido quimicamente , Ratos , Relação Estrutura-Atividade
5.
Bioorg Med Chem Lett ; 35: 127778, 2021 03 01.
Artigo em Inglês | MEDLINE | ID: mdl-33422603

RESUMO

The discovery of a series of substituted diarylether compounds as retinoic acid related orphan receptor γt (RORγt) agonists is described. Compound 1 was identified from deck mining as a RORγt agonist. Hit-to-lead optimization led to the identification of lead compound 5, which possesses improved potency (10x). Extensive SAR exploration led to the identification of a potent and selective compound 22, that demonstrated an improved pharmacokinetic profile and a dose-dependent pharmacodynamic response. However, when dosed in a MC38 syngeneic tumor model, no evidence of efficacy was observed. ©2020 Elsevier Science Ltd. All rights reserved.


Assuntos
Éteres/farmacologia , Membro 3 do Grupo F da Subfamília 1 de Receptores Nucleares/agonistas , Tretinoína/farmacologia , Animais , Cristalografia por Raios X , Relação Dose-Resposta a Droga , Éteres/síntese química , Éteres/química , Humanos , Camundongos , Modelos Moleculares , Estrutura Molecular , Relação Estrutura-Atividade , Células Th17 , Tretinoína/síntese química , Tretinoína/química
6.
ACS Med Chem Lett ; 11(12): 2510-2518, 2020 Dec 10.
Artigo em Inglês | MEDLINE | ID: mdl-33335675

RESUMO

Employing a virtual screening approach, we identified the pyroglutamide moiety as a nonacid replacement for the cyclohexanecarboxylic acid group which, when coupled to our previously reported conformationally locked tricyclic core, provided potent and selective RORγt inverse agonists. Structure-activity relationship optimization of the pyroglutamide moiety led to the identification of compound 18 as a potent and selective RORγt inverse agonist, albeit with poor aqueous solubility. We took advantage of the tertiary carbinol group in 18 to synthesize a phosphate prodrug, which provided good solubility, excellent exposures in mouse PK studies, and significant efficacy in a mouse model of psoriasis.

7.
Bioorg Med Chem Lett ; 30(21): 127495, 2020 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-32798651

RESUMO

Structure-activity relationship optimization on a series of phenylpyrazole amides led to the identification of a dual ROCK1 and ROCK2 inhibitor (25) which demonstrated good potency, kinome selectivity and favorable pharmacokinetic profiles. Compound 25 was selected as a tool molecule for in vivo studies including evaluating hemodynamic effects in telemeterized mice, from which moderate decreases in blood pressure were observed.


Assuntos
Amidas/farmacologia , Descoberta de Drogas , Inibidores de Proteínas Quinases/farmacologia , Pirazóis/farmacologia , Quinases Associadas a rho/antagonistas & inibidores , Amidas/síntese química , Amidas/química , Animais , Pressão Sanguínea/efeitos dos fármacos , Cristalografia por Raios X , Relação Dose-Resposta a Droga , Humanos , Camundongos , Modelos Moleculares , Estrutura Molecular , Inibidores de Proteínas Quinases/síntese química , Inibidores de Proteínas Quinases/química , Pirazóis/síntese química , Pirazóis/química , Relação Estrutura-Atividade , Quinases Associadas a rho/metabolismo
8.
Bioorg Med Chem Lett ; 30(17): 127392, 2020 09 01.
Artigo em Inglês | MEDLINE | ID: mdl-32738966

RESUMO

A novel series of cis-3,4-diphenylpyrrolidines were designed as RORγt inverse agonists based on the binding conformation of previously reported bicyclic sulfonamide 1. Preliminary synthesis and structure-activity relationship (SAR) study established (3S,4S)-3-methyl-3-(4-fluorophenyl)-4-(4-(1,1,1,3,3,3-hexafluoro-2-hydroxyprop-2-yl)phenyl)pyrrolidine as the most effective scaffold. Subsequent SAR optimization led to identification of a piperidinyl carboxamide 31, which was potent against RORγt (EC50 of 61 nM in an inverse agonist assay), selective relative to RORα, RORß, LXRα and LXRß, and stable in human and mouse liver microsomes. Furthermore, compound 31 exhibited considerably lower PXR Ymax (46%) and emerged as a promising lead. The binding mode of the diphenylpyrrolidine series was established with an X-ray co-crystal structure of 10A/RORγt.


Assuntos
Desenho de Fármacos , Membro 3 do Grupo F da Subfamília 1 de Receptores Nucleares/metabolismo , Pirrolidinas/química , Animais , Sítios de Ligação , Cristalografia por Raios X , Agonismo Inverso de Drogas , Humanos , Camundongos , Microssomos Hepáticos/metabolismo , Simulação de Dinâmica Molecular , Membro 3 do Grupo F da Subfamília 1 de Receptores Nucleares/agonistas , Receptor de Pregnano X/agonistas , Receptor de Pregnano X/metabolismo , Pirrolidinas/síntese química , Pirrolidinas/metabolismo , Relação Estrutura-Atividade
9.
Bioorg Med Chem Lett ; 30(19): 127441, 2020 10 01.
Artigo em Inglês | MEDLINE | ID: mdl-32736080

RESUMO

In an effort to discover oral inverse agonists of RORγt to treat inflammatory diseases, a new 2,6-difluorobenzyl ether series of cyclopentyl sulfones were found to be surprisingly more potent than the corresponding alcohol derivatives. When combined with a more optimized phenyl ((R)-3-phenylpyrrolidin-3-yl)sulfone template, the 2,6-difluorobenzyl ethers yielded a set of very potent RORγt inverse agonists (e.g., compound 26, RORγt Gal4 EC50 11 nM) that are highly selective against PXR, LXRα and LXRß. After optimizing for stability in human and mouse liver microsomes, compounds 29 and 38 were evaluated in vivo and found to have good oral bioavailability (56% and 101%, respectively) in mice. X-ray co-crystal structure of compound 27 in RORγt revealed that the bulky benzyl ether group causes helix 11 of the protein to partially uncoil to create a new, enlarged binding site, which nicely accommodates the benzyl ether moiety, leading to net potency gain.


Assuntos
Membro 3 do Grupo F da Subfamília 1 de Receptores Nucleares/antagonistas & inibidores , Pirrolidinas/farmacologia , Sulfonas/farmacologia , Animais , Cristalografia por Raios X , Descoberta de Drogas , Agonismo Inverso de Drogas , Estabilidade de Medicamentos , Células Hep G2 , Humanos , Camundongos , Microssomos Hepáticos/metabolismo , Estrutura Molecular , Membro 3 do Grupo F da Subfamília 1 de Receptores Nucleares/metabolismo , Pirrolidinas/síntese química , Pirrolidinas/metabolismo , Relação Estrutura-Atividade , Sulfonas/síntese química , Sulfonas/metabolismo
10.
Bioorg Med Chem Lett ; 30(12): 127204, 2020 06 15.
Artigo em Inglês | MEDLINE | ID: mdl-32334911

RESUMO

Substituted benzyloxy aryl compound 2 was identified as an RORγt agonist. Structure based drug design efforts resulted in a potent and selective tricyclic compound 19 which, when administered orally in an MC38 mouse tumor model, demonstrated a desired pharmacokinetic profile as well as a dose-dependent pharmacodynamic response. However, no perceptible efficacy was observed in this tumor model at the doses investigated.


Assuntos
Compostos de Benzil/farmacologia , Compostos Heterocíclicos/farmacologia , Receptores do Ácido Retinoico/agonistas , Animais , Compostos de Benzil/química , Relação Dose-Resposta a Droga , Feminino , Compostos Heterocíclicos/química , Camundongos , Camundongos Endogâmicos C57BL , Estrutura Molecular , Relação Estrutura-Atividade
11.
J Med Chem ; 62(21): 9931-9946, 2019 11 14.
Artigo em Inglês | MEDLINE | ID: mdl-31638797

RESUMO

RORγt is an important nuclear receptor that regulates the production of several pro-inflammatory cytokines such as IL-17 and IL-22. As a result, RORγt has been identified as a potential target for the treatment of various immunological disorders such as psoriasis, psoriatic arthritis, and inflammatory bowel diseases. Structure and computer-assisted drug design led to the identification of a novel series of tricyclic RORγt inverse agonists with significantly improved in vitro activity in the reporter (Gal4) and human whole blood assays compared to our previous chemotype. Through careful structure activity relationship, several potent and selective RORγt inverse agonists have been identified. Pharmacokinetic studies allowed the identification of the lead molecule 32 with a low peak-to-trough ratio. This molecule showed excellent activity in an IL-2/IL-23-induced mouse pharmacodynamic study and demonstrated biologic-like efficacy in an IL-23-induced preclinical model of psoriasis.


Assuntos
Desenho de Fármacos , Agonismo Inverso de Drogas , Membro 3 do Grupo F da Subfamília 1 de Receptores Nucleares/agonistas , Pirrolidinas/farmacologia , Animais , Humanos , Células Jurkat , Camundongos , Modelos Moleculares , Membro 3 do Grupo F da Subfamília 1 de Receptores Nucleares/química , Conformação Proteica , Pirrolidinas/química , Pirrolidinas/farmacocinética , Relação Estrutura-Atividade , Distribuição Tecidual
12.
Bioorg Med Chem Lett ; 29(16): 2265-2269, 2019 08 15.
Artigo em Inglês | MEDLINE | ID: mdl-31257087

RESUMO

An X-ray crystal structure of one of our previously discovered RORγt inverse agonists bound to the RORγt ligand binding domain revealed that the cyclohexane carboxylic acid group of compound 2 plays a significant role in RORγt binding, forming four hydrogen bonding and ionic interactions with RORγt. SAR studies centered around the cyclohexane carboxylic acid group led to identification of several structurally diverse and more potent compounds, including new carboxylic acid analogues 7 and 20, and cyclic sulfone analogues 34 and 37. Notably, compounds 7 and 20 were found to maintain the desirable pharmacokinetic profile of 2.


Assuntos
Membro 3 do Grupo F da Subfamília 1 de Receptores Nucleares/agonistas , Pirrolidinas/farmacologia , Sulfonas/farmacologia , Administração Oral , Animais , Disponibilidade Biológica , Cristalografia por Raios X , Relação Dose-Resposta a Droga , Agonismo Inverso de Drogas , Humanos , Camundongos , Modelos Moleculares , Estrutura Molecular , Pirrolidinas/administração & dosagem , Pirrolidinas/química , Relação Estrutura-Atividade , Sulfonas/administração & dosagem , Sulfonas/química
13.
ACS Med Chem Lett ; 10(3): 306-311, 2019 Mar 14.
Artigo em Inglês | MEDLINE | ID: mdl-30891131

RESUMO

The four members of the Janus family of nonreceptor tyrosine kinases play a significant role in immune function. The JAK family kinase inhibitor, tofacitinib 1, has been approved in the United States for use in rheumatoid arthritis (RA) patients. A number of JAK inhibitors with a variety of JAK family selectivity profiles are currently in clinical trials. Our goal was to identify inhibitors that were functionally selective for JAK1 and JAK3. Compound 22 was prepared with the desired functional selectivity profile, but it suffered from poor absorption related to physical properties. Use of the phosphate prodrug 32 enabled progression to a murine collagen induced arthritis (CIA) model. The demonstration of a robust efficacy in the CIA model suggests that use of phosphate prodrugs may resolve issues with progressing this chemotype for the treatment of autoimmune diseases such as RA.

14.
ACS Med Chem Lett ; 10(3): 367-373, 2019 Mar 14.
Artigo em Inglês | MEDLINE | ID: mdl-30891142

RESUMO

A new phenyl (3-phenylpyrrolidin-3-yl)sulfone series of RORγt inverse agonists was discovered utilizing the binding conformation of previously reported bicyclic sulfonamide 1. Through a combination of structure-based design and structure-activity relationship studies, a polar set of amides at N1-position of the pyrrolidine ring and perfluoroisopropyl group at para-position of the 3-phenyl group were identified as critical structural elements to achieve high selectivity against PXR, LXRα, and LXRß. Further optimization led to the discovery of (1R,4r)-4-((R)-3-((4-fluorophenyl)sulfonyl)-3-(4-(perfluoropropan-2-yl)phenyl)pyrrolidine-1-carbonyl)cyclohexane-1-carboxylic acid (26), which displayed excellent selectivity, desirable liability and pharmacokinetic properties in vitro, and a good pharmacokinetic profile in mouse. Oral administration of 26 demonstrated dose-dependent inhibition of IL-17 production in a mouse IL-2/IL-23-induced pharmacodynamic model and biologic-like efficacy in an IL-23-induced mouse acanthosis model.

15.
Bioorg Med Chem Lett ; 28(2): 85-93, 2018 01 15.
Artigo em Inglês | MEDLINE | ID: mdl-29233651

RESUMO

We disclose the optimization of a high throughput screening hit to yield benzothiazine and tetrahydroquinoline sulfonamides as potent RORγt inverse agonists. However, a majority of these compounds showed potent activity against pregnane X receptor (PXR) and modest activity against liver X receptor α (LXRα). Structure-based drug design (SBDD) led to the identification of benzothiazine and tetrahydroquinoline sulfonamide analogs which completely dialed out LXRα activity and were less potent at PXR. Pharmacodynamic (PD) data for compound 35 in an IL-23 induced IL-17 mouse model is discussed along with the implications of a high Ymax in the PXR assay for long term preclinical pharmacokinetic (PK) studies.


Assuntos
Compostos Bicíclicos com Pontes/farmacologia , Desenho de Fármacos , Propanóis/farmacologia , Receptores do Ácido Retinoico/agonistas , Receptores de Esteroides/agonistas , Sulfonamidas/farmacologia , Animais , Compostos Bicíclicos com Pontes/síntese química , Compostos Bicíclicos com Pontes/química , Cristalografia por Raios X , Relação Dose-Resposta a Droga , Humanos , Receptores X do Fígado/agonistas , Masculino , Camundongos , Camundongos Endogâmicos BALB C , Modelos Moleculares , Estrutura Molecular , Receptor de Pregnano X , Propanóis/síntese química , Propanóis/química , Relação Estrutura-Atividade , Sulfonamidas/síntese química , Sulfonamidas/química
17.
Bioorg Med Chem Lett ; 27(21): 4908-4913, 2017 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-28947151

RESUMO

The identification of small molecule inhibitors of IRAK4 for the treatment of autoimmune diseases has been an area of intense research. We discovered novel 4,6-diaminonicotinamides which potently inhibit IRAK4. Optimization efforts were aided by X-ray crystal structures of inhibitors bound to IRAK4. Structure activity relationship (SAR) studies led to the identification of compound 29 which exhibited sub-micromolar potency in a LTA stimulated cellular assay.


Assuntos
Desenho de Fármacos , Quinases Associadas a Receptores de Interleucina-1/antagonistas & inibidores , Niacinamida/química , Inibidores de Proteínas Quinases/química , Sítios de Ligação , Cristalografia por Raios X , Avaliação Pré-Clínica de Medicamentos , Humanos , Concentração Inibidora 50 , Quinases Associadas a Receptores de Interleucina-1/metabolismo , Janus Quinase 3/química , Janus Quinase 3/metabolismo , Conformação Molecular , Simulação de Dinâmica Molecular , Niacinamida/metabolismo , Inibidores de Proteínas Quinases/metabolismo , Estrutura Terciária de Proteína , Relação Estrutura-Atividade
18.
J Med Chem ; 60(12): 5193-5208, 2017 06 22.
Artigo em Inglês | MEDLINE | ID: mdl-28541707

RESUMO

PI3Kδ plays an important role controlling immune cell function and has therefore been identified as a potential target for the treatment of immunological disorders. This article highlights our work toward the identification of a potent, selective, and efficacious PI3Kδ inhibitor. Through careful SAR, the successful replacement of a polar pyrazole group by a simple chloro or trifluoromethyl group led to improved Caco-2 permeability, reduced Caco-2 efflux, reduced hERG PC activity, and increased selectivity profile while maintaining potency in the CD69 hWB assay. The optimization of the aryl substitution then identified a 4'-CN group that improved the human/rodent correlation in microsomal metabolic stability. Our lead molecule is very potent in PK/PD assays and highly efficacious in a mouse collagen-induced arthritis model.


Assuntos
Artrite Experimental/tratamento farmacológico , Avaliação Pré-Clínica de Medicamentos/métodos , Inibidores Enzimáticos/farmacologia , Inibidores de Fosfoinositídeo-3 Quinase , Relação Estrutura-Atividade , Animais , Antígenos CD/metabolismo , Antígenos de Diferenciação de Linfócitos T/metabolismo , Células CACO-2/efeitos dos fármacos , Células CACO-2/imunologia , Cães , Canal de Potássio ERG1/metabolismo , Inibidores Enzimáticos/química , Feminino , Humanos , Doenças do Sistema Imunitário/tratamento farmacológico , Isoenzimas/antagonistas & inibidores , Isoenzimas/metabolismo , Lectinas Tipo C/metabolismo , Masculino , Camundongos Endogâmicos BALB C , Pirazóis/química , Pirazóis/metabolismo , Pirazóis/farmacologia , Coelhos
19.
Bioorg Med Chem Lett ; 27(14): 3101-3106, 2017 07 15.
Artigo em Inglês | MEDLINE | ID: mdl-28539220

RESUMO

A series of potent dual JAK1/3 inhibitors have been developed from a moderately selective JAK3 inhibitor. Substitution at the C6 position of the pyrrolopyridazine core with aryl groups provided exceptional biochemical potency against JAK1 and JAK3 while maintaining good selectivity against JAK2 and Tyk2. Translation to in vivo efficacy was observed in a murine model of chronic inflammation. X-ray co-crystal structure determination confirmed the presumed inhibitor binding orientation in JAK3. Efforts to reduce hERG channel inhibition will be described.


Assuntos
Janus Quinase 1/antagonistas & inibidores , Janus Quinase 3/antagonistas & inibidores , Inibidores de Proteínas Quinases/química , Piridazinas/química , Pirróis/química , Animais , Sítios de Ligação , Domínio Catalítico , Linhagem Celular , Cristalografia por Raios X , Modelos Animais de Doenças , Avaliação Pré-Clínica de Medicamentos , Meia-Vida , Humanos , Inflamação/prevenção & controle , Concentração Inibidora 50 , Janus Quinase 1/metabolismo , Janus Quinase 2/antagonistas & inibidores , Janus Quinase 2/metabolismo , Janus Quinase 3/metabolismo , Camundongos , Camundongos Endogâmicos BALB C , Conformação Molecular , Simulação de Dinâmica Molecular , Inibidores de Proteínas Quinases/síntese química , Inibidores de Proteínas Quinases/farmacocinética , Piridazinas/síntese química , Piridazinas/farmacocinética , Pirróis/síntese química , Pirróis/farmacocinética , Ratos , Ratos Sprague-Dawley , Relação Estrutura-Atividade , TYK2 Quinase/antagonistas & inibidores , TYK2 Quinase/metabolismo
20.
Bioorg Med Chem Lett ; 27(4): 855-861, 2017 02 15.
Artigo em Inglês | MEDLINE | ID: mdl-28108251

RESUMO

As demonstrated in preclinical animal models, the disruption of PI3Kδ expression or its activity leads to a decrease in inflammatory and immune responses. Therefore, inhibition of PI3Kδ may provide an alternative treatment for autoimmune diseases, such as RA, SLE, and respiratory ailments. Herein, we disclose the identification of 7-(3-(piperazin-1-yl)phenyl)pyrrolo[2,1-f][1,2,4]triazin-4-amine derivatives as highly potent, selective and orally bioavailable PI3Kδ inhibitors. The lead compound demonstrated efficacy in an in vivo mouse KLH model.


Assuntos
Aminas/química , Inibidores de Fosfoinositídeo-3 Quinase , Inibidores de Proteínas Quinases/química , Aminas/metabolismo , Aminas/uso terapêutico , Animais , Doenças Autoimunes/tratamento farmacológico , Sítios de Ligação , Classe I de Fosfatidilinositol 3-Quinases , Cristalografia por Raios X , Modelos Animais de Doenças , Avaliação Pré-Clínica de Medicamentos , Humanos , Camundongos , Microssomos Hepáticos/metabolismo , Simulação de Acoplamento Molecular , Fosfatidilinositol 3-Quinases/metabolismo , Piperazina , Piperazinas/química , Isoformas de Proteínas/antagonistas & inibidores , Isoformas de Proteínas/metabolismo , Inibidores de Proteínas Quinases/metabolismo , Inibidores de Proteínas Quinases/uso terapêutico , Relação Estrutura-Atividade , Triazinas/química
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