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Sarkar M, Ma J, Tapadar S, Caggia S, Oyelere AK, Khan SA, Xie H. Development and validation of a sensitive LC-MS/MS assay of GT-14, a novel Gα i2 inhibitor, in rat plasma, and its application in pharmacokinetic study. J Pharm Biomed Anal 2024; 245:116183. [PMID: 38744031 PMCID: PMC11138141 DOI: 10.1016/j.jpba.2024.116183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 04/14/2024] [Accepted: 04/25/2024] [Indexed: 05/16/2024]
Abstract
A sensitive and selective LC-MS/MS method was developed and validated for the quantitation of a novel Gαi2 inhibitor, GT-14, in rat plasma using a SCIEX 6500+ triple QUAD LC-MS system equipped with an ExionLC UHPLC unit. GT-14 (m/z 265.2 → 134.1) and griseofulvin (Internal Standard, IS) (m/z 353.1 → 285.1) were detected in a positive mode by electrospray ionization (ESI) using multiple reaction monitoring (MRM). The assay was linear in the concentration range of 0.78-1000 ng/mL in rat plasma. Both accuracy and precision values were within the acceptance criteria of ±15 %, as established by FDA guidance. The matrix effect was negligible from plasma, with signal percentages of 98.5-106.9 %. The mean recovery was 104.5 %, indicating complete extraction of GT-14 from plasma. GT-14 was found to be stable under different experimental conditions. The validated method was successfully applied to evaluate plasma protein binding and in vivo pharmacokinetics of GT-14 in rats.
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Affiliation(s)
- Mahua Sarkar
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, TX 77004, USA
| | - Jing Ma
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, TX 77004, USA
| | - Subhasish Tapadar
- School of Chemistry and Biochemistry, Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA 30318, USA
| | - Silvia Caggia
- Center for Cancer Research and Therapeutic Development, Clark Atlanta University, 223 James P. Brawley Dr, Atlanta, GA 30314, USA
| | - Adegboyega K Oyelere
- School of Chemistry and Biochemistry, Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA 30318, USA
| | - Shafiq A Khan
- Center for Cancer Research and Therapeutic Development, Clark Atlanta University, 223 James P. Brawley Dr, Atlanta, GA 30314, USA
| | - Huan Xie
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, TX 77004, USA.
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Akompong SK, Li Y, Gong W, Ye L, Liu J. Recently reported cell migration inhibitors: Opportunities and challenges for antimetastatic agents. Drug Discov Today 2024; 29:103906. [PMID: 38309689 DOI: 10.1016/j.drudis.2024.103906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 01/17/2024] [Accepted: 01/25/2024] [Indexed: 02/05/2024]
Abstract
Antimetastatic agents are highly desirable for cancer treatment because of the severe medical challenges and high mortality resulting from tumor metastasis. Having demonstrated antimetastatic effects in numerous in vitro and in vivo studies, migration inhibitors present significant opportunities for developing a new class of anticancer drugs. To provide a useful overview on the latest research in migration inhibitors, this article first discusses their therapeutic significance, targetable proteins, and developmental avenues. Subsequently it reviews over 20 representative migration inhibitors reported in recent journals in terms of their inhibitory mechanism, potency, and potential clinical utility. The relevance of the target proteins to cellular migratory function is focused on as it is crucial for assessing the overall efficacy of the inhibitors.
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Affiliation(s)
- Samuel K Akompong
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Yang Li
- Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Wenxue Gong
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Long Ye
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China.
| | - Jinping Liu
- Zhongnan Hospital of Wuhan University, Wuhan 430071, China.
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Cao N, Jiang Y, Song ZB, Namulinda T, Liang HY, Yan YJ, Qiu Y, Chen ZL. Synthesis and photodynamic activity of novel thieno[3,2-b]thiophene fused BODIPYs with good bio-solubility and anti-aggregation effect. Bioorg Chem 2024; 143:107097. [PMID: 38190797 DOI: 10.1016/j.bioorg.2024.107097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/31/2023] [Accepted: 01/02/2024] [Indexed: 01/10/2024]
Abstract
To discover new photosensitizers with long wavelength UV-visible absorption, high efficiency, and low side effects for photodynamic therapy, here, a series of novel thieno[3,2-b]thiophene-fused BODIPY derivatives were designed, synthesized and characterized. These compounds had a distinct absorption band at 640-680 nm, fluorescence emission at 650-760 nm, and good solubility with anti-aggregation effects. These new compounds possessed obvious singlet oxygen generation ability and photodynamic anti-Eca-109 cancer cells activities in vitro. Among them, compound II4 could be well uptaked by Eca-109 cells, and result in the apoptosis after laser irradiation, and have outstanding photodynamic efficiency both in vitro and in vivo. Therefore, II4 could be considered as a potential photosensitizer drug candidate for PDT and photo-imaging.
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Affiliation(s)
- Ning Cao
- Department of Pharmaceutical Science & Technology, Donghua University, Shanghai 201620, China
| | - Ying Jiang
- Department of Pharmaceutical Science & Technology, Donghua University, Shanghai 201620, China
| | - Zhi-Bing Song
- Department of Pharmaceutical Science & Technology, Donghua University, Shanghai 201620, China
| | - Tabbisa Namulinda
- Department of Pharmaceutical Science & Technology, Donghua University, Shanghai 201620, China
| | - Hong-Yu Liang
- Department of Pharmaceutical Science & Technology, Donghua University, Shanghai 201620, China
| | - Yi-Jia Yan
- Department of Pharmacy, Huadong Hospital, Fudan University, Shanghai 200040, China; Shanghai Xianhui Pharmaceutical Co., Ltd., Shanghai 201620, China.
| | - Yan Qiu
- Pudong New Area People's Hospital, Shanghai 201299, China.
| | - Zhi-Long Chen
- Department of Pharmaceutical Science & Technology, Donghua University, Shanghai 201620, China; Department of Pharmacy, Huadong Hospital, Fudan University, Shanghai 200040, China.
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Caggia S, Johnston A, Walunj DT, Moore AR, Peer BH, Everett RW, Oyelere AK, Khan SA. Gα i2 Protein Inhibition Blocks Chemotherapy- and Anti-Androgen-Induced Prostate Cancer Cell Migration. Cancers (Basel) 2024; 16:296. [PMID: 38254786 PMCID: PMC10813862 DOI: 10.3390/cancers16020296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/22/2023] [Accepted: 01/02/2024] [Indexed: 01/24/2024] Open
Abstract
We have previously shown that heterotrimeric G-protein subunit alphai2 (Gαi2) is essential for cell migration and invasion in prostate, ovarian and breast cancer cells, and novel small molecule inhibitors targeting Gαi2 block its effects on migratory and invasive behavior. In this study, we have identified potent, metabolically stable, second generation Gαi2 inhibitors which inhibit cell migration in prostate cancer cells. Recent studies have shown that chemotherapy can induce the cancer cells to migrate to distant sites to form metastases. In the present study, we determined the effects of taxanes (docetaxel), anti-androgens (enzalutamide and bicalutamide) and histone deacetylase (HDAC) inhibitors (SAHA and SBI-I-19) on cell migration in prostate cancer cells. All treatments induced cell migration, and simultaneous treatments with new Gαi2 inhibitors blocked their effects on cell migration. We concluded that a combination treatment of Gαi2 inhibitors and chemotherapy could blunt the capability of cancer cells to migrate and form metastases.
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Affiliation(s)
- Silvia Caggia
- Center for Cancer Research and Therapeutic Development, Clark Atlanta University, 223 James P. Brawley Dr., Atlanta, GA 30314, USA; (S.C.); (A.R.M.); (R.W.E.)
| | - Alexis Johnston
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA 30318, USA; (A.J.); (D.T.W.); (B.H.P.)
| | - Dipak T. Walunj
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA 30318, USA; (A.J.); (D.T.W.); (B.H.P.)
| | - Aanya R. Moore
- Center for Cancer Research and Therapeutic Development, Clark Atlanta University, 223 James P. Brawley Dr., Atlanta, GA 30314, USA; (S.C.); (A.R.M.); (R.W.E.)
| | - Benjamin H. Peer
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA 30318, USA; (A.J.); (D.T.W.); (B.H.P.)
| | - Ravyn W. Everett
- Center for Cancer Research and Therapeutic Development, Clark Atlanta University, 223 James P. Brawley Dr., Atlanta, GA 30314, USA; (S.C.); (A.R.M.); (R.W.E.)
| | - Adegboyega K. Oyelere
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA 30318, USA; (A.J.); (D.T.W.); (B.H.P.)
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. NW, Atlanta, GA 30332, USA
| | - Shafiq A. Khan
- Center for Cancer Research and Therapeutic Development, Clark Atlanta University, 223 James P. Brawley Dr., Atlanta, GA 30314, USA; (S.C.); (A.R.M.); (R.W.E.)
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Long X, Wu H, Zhou Y, Wan Y, Kan X, Gong J, Zhao X. Preventive Effect of Limosilactobacillus fermentum SCHY34 on Lead Acetate-Induced Neurological Damage in SD Rats. Front Nutr 2022; 9:852012. [PMID: 35571929 PMCID: PMC9094495 DOI: 10.3389/fnut.2022.852012] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 04/04/2022] [Indexed: 02/03/2023] Open
Abstract
Lead poisoning caused by lead pollution seriously affects people's health. Lactic acid bacteria has been shown to be useful for biological scavenging of lead. In this experiment, Sprague-Dawley (SD) rats were treated with 200 mg/L of lead acetate solution daily to induce chronic lead poisoning, and oral Limosilactobacillus fermentum (L. fermentum) SCHY34 to study its mitigation effects and mechanisms on rat neurotoxicity. The L. fermentum SCHY34 showed competent results on in vitro survival rate and the lead ion adsorption rate. Animal experiments showed that L. fermentum SCHY34 maintained the morphology of rat liver, kidney, and hippocampi, reduced the accumulation of lead in the blood, liver, kidney, and brain tissue. Further, L. fermentum SCHY34 alleviated the lead-induced decline in spatial memory and response capacity of SD rats, and also regulated the secretion of neurotransmitters and related enzyme activities in the brain tissue of rats, such as glutamate (Glu), monoamine oxidase (MAO), acetylcholinesterase (AchE), cyclic adenosine monophosphate (cAMP), and adenylate cyclase (AC). In addition, the expression of genes related to cognitive capacity, antioxidation, and anti-apoptotic in rat brain tissues were increased L. fermentum SCHY34 treatment, such as brain-derived neurotrophic factor (BDNF), c-fos, c-jun, superoxide dismutase (SOD)1/2, Nuclear factor erythroid 2-related factor 2 (Nrf2), and B-cell lymphoma 2 (Bcl-2), and so on. L. fermentum SCHY34 showed a great biological scavenging and potential effect on alleviating the toxicity of lead ions.
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Affiliation(s)
- Xingyao Long
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing Engineering Research Center of Functional Food, Chongqing Engineering Laboratory for Research and Development of Functional Food, Chongqing University of Education, Chongqing, China
| | - Haibo Wu
- Department of Neurosurgery, Chongqing Traditional Chinese Medicine Hospital, Chongqing, China
| | - Yujing Zhou
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing Engineering Research Center of Functional Food, Chongqing Engineering Laboratory for Research and Development of Functional Food, Chongqing University of Education, Chongqing, China
| | - Yunxiao Wan
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing Engineering Research Center of Functional Food, Chongqing Engineering Laboratory for Research and Development of Functional Food, Chongqing University of Education, Chongqing, China
| | - Xuemei Kan
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing Engineering Research Center of Functional Food, Chongqing Engineering Laboratory for Research and Development of Functional Food, Chongqing University of Education, Chongqing, China
| | - Jianjun Gong
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing Engineering Research Center of Functional Food, Chongqing Engineering Laboratory for Research and Development of Functional Food, Chongqing University of Education, Chongqing, China
| | - Xin Zhao
- Chongqing Collaborative Innovation Center for Functional Food, Chongqing Engineering Research Center of Functional Food, Chongqing Engineering Laboratory for Research and Development of Functional Food, Chongqing University of Education, Chongqing, China
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