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Essink J, Berg S, Montange J, Sankey A, Taylor V, Salomon J. Single-Pass Albumin Dialysis as Rescue Therapy for Pediatric Calcium Channel Blocker Overdose. J Investig Med High Impact Case Rep 2022; 10:23247096221105251. [PMID: 35856321 PMCID: PMC9309771 DOI: 10.1177/23247096221105251] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Calcium channel blocker ingestions remain one of the leading causes of death
related to cardiovascular medication ingestion in both adults and pediatric
patients. We report a case of a 17-year-old, 103 kg female presenting after an
intentional polypharmacy ingestion, including 500 to 550 mg of amlodipine. She
presented with profound vasoplegia and cardiovascular collapse requiring
high-dose inotropes and eventual life support with extracorporeal membrane
oxygenation (ECMO). Current available treatments, designed for adults, including
lipid emulsion and methylene blue, provided no sustained clinical improvement.
This resulted in the initiation of single-pass albumin dialysis (SPAD). We aim
to describe the clinical implications, amlodipine toxic dose effects, and
clinical challenges associated with large pediatric patients and high-dose
medications. We also discuss several challenges encountered related to dosing
and concentration of medications, which led to fluid overload. Given the ongoing
obesity epidemic, we routinely see pediatric patients of adult size. This will
continue to challenge pediatric use of adult dosing and concentrations to avoid
excessive fluid administration for high-dose medications, such as insulin and
vasoactive agents. To our knowledge, this is the first successful case of using
SPAD in conjunction with ECMO for salvage therapy after refractory
life-threatening calcium channel blocker toxicity.
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Affiliation(s)
- Jenna Essink
- Children’s Hospital & Medical Center, Omaha, NE, USA
- University of Nebraska Medical Center, Omaha, USA
| | - Sydney Berg
- Children’s Hospital & Medical Center, Omaha, NE, USA
| | - Jaka Montange
- Children’s Hospital & Medical Center, Omaha, NE, USA
| | - Andrew Sankey
- Children’s Hospital & Medical Center, Omaha, NE, USA
| | - Veronica Taylor
- Children’s Hospital & Medical Center, Omaha, NE, USA
- University of Nebraska Medical Center, Omaha, USA
| | - Jeffrey Salomon
- Children’s Hospital & Medical Center, Omaha, NE, USA
- University of Nebraska Medical Center, Omaha, USA
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Park HH, Han MH, Choi H, Lee YJ, Kim JM, Cheong JH, Ryu JI, Lee KY, Koh SH. Mitochondria damaged by Oxygen Glucose Deprivation can be Restored through Activation of the PI3K/Akt Pathway and Inhibition of Calcium Influx by Amlodipine Camsylate. Sci Rep 2019; 9:15717. [PMID: 31673096 PMCID: PMC6823474 DOI: 10.1038/s41598-019-52083-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 10/13/2019] [Indexed: 12/25/2022] Open
Abstract
Amlodipine, a L-type calcium channel blocker, has been reported to have a neuroprotective effect in brain ischemia. Mitochondrial calcium overload leads to apoptosis of cells in neurologic diseases. We evaluated the neuroprotective effects of amlodipine camsylate (AC) on neural stem cells (NSCs) injured by oxygen glucose deprivation (OGD) with a focus on mitochondrial structure and function. NSCs were isolated from rodent embryonic brains. Effects of AC on cell viability, proliferation, level of free radicals, and expression of intracellular signaling proteins were assessed in OGD-injured NSCs. We also investigated the effect of AC on mitochondrial structure in NSCs under OGD by transmission electron microscopy. AC increased the viability and proliferation of NSCs. This beneficial effect of AC was achieved by strong protection of mitochondria. AC markedly enhanced the expression of mitochondrial biogenesis-related proteins and mitochondrial anti-apoptosis proteins. Together, our results indicate that AC protects OGD-injured NSCs by protecting mitochondrial structure and function. The results of the present study provide insight into the mechanisms underlying the protective effects of AC on NSCs.
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Affiliation(s)
- Hyun-Hee Park
- Departments of Neurology, Hanyang University Guri Hospital, 11923, Guri, Korea
| | - Myung-Hoon Han
- Departments of Neurosurgery, Hanyang University Guri Hospital, 11923, Guri, Korea
| | - Hojin Choi
- Departments of Neurology, Hanyang University Guri Hospital, 11923, Guri, Korea
| | - Young Joo Lee
- Departments of Neurology, Hanyang University Guri Hospital, 11923, Guri, Korea
| | - Jae Min Kim
- Departments of Neurosurgery, Hanyang University Guri Hospital, 11923, Guri, Korea
| | - Jin Hwan Cheong
- Departments of Neurosurgery, Hanyang University Guri Hospital, 11923, Guri, Korea
| | - Je Il Ryu
- Departments of Neurosurgery, Hanyang University Guri Hospital, 11923, Guri, Korea
| | - Kyu-Yong Lee
- Departments of Neurology, Hanyang University Guri Hospital, 11923, Guri, Korea.
| | - Seong-Ho Koh
- Departments of Neurology, Hanyang University Guri Hospital, 11923, Guri, Korea.
- Department of Translational Medicine, Hanyang University Graduate School of Biomedical Science & Engineering, 04763, Seoul, Korea.
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Kale OE, Awodele O, Akindele AJ. Acridocarpus Smeathmannii (DC.) Guill. & Perr. Root enhanced reproductive behavior and sexual function in male wistar rats: Biochemical and pharmacological mechanisms. JOURNAL OF ETHNOPHARMACOLOGY 2019; 230:95-108. [PMID: 30389468 DOI: 10.1016/j.jep.2018.10.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 10/13/2018] [Accepted: 10/15/2018] [Indexed: 06/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Novel therapeutic opportunities from medicinal agents continue to arouse scientific interest in recent times. Still, there is a dearth of information as regards experimental evidence generated from medicinal plants that would yield pharmacological agents for the treatment of erectile dysfunction. Acridocarpus Smeathmannii (DC.) Guill. & Perr. Root (ASR) has a long history as an aphrodisiac in African traditional medicine. Thus, this study investigated the reproductive potentials and associated biochemical mechanisms of its hydroethanolic extract (HEASR) in male Wistar rats. Also, the bioactive compounds were identified. MATERIALS AND METHODS Fifty-four male albino rats (180 ± 20 g) were divided into nine groups of six rats/group. Control, group 1 received normal saline (10 mL/kg). Groups 2-6 rats were administered sildenafil (1.43 mg/kg/day), mesterolone (0.36 mg/kg/day), doxazocin (0.03 mg/kg/day), HEASR1 (50 mg/kg/day) and HEASR2 (200 mg/kg/day) respectively. Others received co-administration of HEASR2 with standard drugs. Treatment lasted for 28 days via oral gavage. RESULTS An acute oral toxicity of HEASR up to 2 g/kg produced no mortality in mice p.o. while the median lethal dose was estimated to be 810 mg/kg i.p. HEASR2 administration or in combination with sildenafil, mesterolone and doxazocin increased mounting frequencies on day 28 by 77.44%, 122.65%, 148.5% and 93.88% and sperm counts by 38.29%, 55.21%, 42.48%, and 48.98% respectively in treated rats. HEASR2 + sildenafil elevated testosterone and follicle stimulating hormone levels by 36.33% and 24.55% while HEASR2 + doxazocin elevated luteinizing hormone levels by 97.44% in rats. HEASR modulated prostate-specific antigen and malondialdehyde levels respectively. Reduced glutathione, superoxide dismutase, and catalase activities were raised in five selected organs. Serum nitric oxide but not cyclooxygenase-2 or tumor necrosis factor-α levels was moderately improved in rats. CONCLUSION Overall, the results obtained demonstrated the potential of HEASR as a male reproductive enhancer, thus justify its folklore applications. Further, octadecanoic acid ethyl ester was the most abundant bioactive component present.
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Affiliation(s)
- O E Kale
- Department of Pharmacology, Therapeutics & Toxicology, College of Medicine, University of Lagos, P.M.B 12003 Idi-Araba, Lagos, Nigeria.
| | - O Awodele
- Department of Pharmacology, Therapeutics & Toxicology, College of Medicine, University of Lagos, P.M.B 12003 Idi-Araba, Lagos, Nigeria.
| | - A J Akindele
- Department of Pharmacology, Therapeutics & Toxicology, College of Medicine, University of Lagos, P.M.B 12003 Idi-Araba, Lagos, Nigeria.
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Kale OE, Oyesola TO, Raji FS. Celecoxib, a cyclooxygenase-2 inhibitor, offers chemoprevention against reproductive and neurobehavioural abnormalities induced by atrazine in male Wistar rats. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2018; 58:84-97. [PMID: 29306822 DOI: 10.1016/j.etap.2017.12.026] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 12/26/2017] [Accepted: 12/28/2017] [Indexed: 06/07/2023]
Abstract
The cyclooxygenase-2/prostanoid pathway (COX-2) serves as a potential therapeutic target in various pathological conditions. Thus, the modulatory effect of celecoxib (CXB), a COX-2 inhibitor, in atrazine-induced toxicity was investigated. Five groups (n = 6 rats per group) of adult male Wistar rats received corn oil (2 ml/kg), atrazine (ATZ, 300 mg/kg) and CXB (5.7 mg/kg) respectively and their combinations via the oral route. Results obtained showed reduced (p < 0.05) sperm motility (25.8%) and counts (27.6%), testosterone (29.9%), luteinizing (33%) and follicle stimulating hormones (78.7%) plus elevated total cholesterol (112.3%), triglyceride (115.7%), malondialdehyde levels respectively in ATZ-treated rats. Similarly, ATZ administration causes reduced locomotion (33.6%), spontaneous motor activity (46.6%) and catalepsy effects (157.3%) respectively. However, CXB divided doses moderately reverse reproductive abnormalities, modulate neurobehavioural deficits and slightly preserved COX-2 elevation following ATZ intoxication. Furthermore, histopathology of testis shows improvement in treated rats. Overall, our data suggest chemopreventive actions via pharmacological inhibition of COX-2 activity during ATZ toxicity.
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Affiliation(s)
- O E Kale
- Department of Pharmacology, Benjamin S. Carson (Snr.) School of Medicine, Babcock University, Ilishan-Remo, Ogun State, PMB, 21244 Ikeja, Nigeria.
| | - T O Oyesola
- Department of Physiology, Benjamin S. Carson (Snr.) School of Medicine, Babcock University, Ilishan-Remo, Ogun State, PMB, 21244 Ikeja, Nigeria
| | - F S Raji
- Department of Physiology, Benjamin S. Carson (Snr.) School of Medicine, Babcock University, Ilishan-Remo, Ogun State, PMB, 21244 Ikeja, Nigeria
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Song T, Zhang Y, Song Q, Han X, Guan S, Zhang X, Chu X, Zhang F, Zhang J, Chu L. Bufalin, a bufanolide steroid from the parotoid glands of the Chinese toad, suppresses hERG K + currents expressed in HEK293 cells. Fundam Clin Pharmacol 2017; 31:695-700. [PMID: 28755515 DOI: 10.1111/fcp.12306] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 07/21/2017] [Accepted: 07/26/2017] [Indexed: 01/16/2023]
Abstract
In this study, we investigated the effect of bufalin on the human ether-à-go-go-related gene (hERG) K+ channels using the perforated patch recording technique. We measured a half-maximal inhibitory concentration (IC50 ) of 24.83 μM and maximal inhibitory effect of 39.45 ± 1.14% with bufalin. These findings suggest that bufalin is a potent hERG K+ channel blocker and may provide a new way for understanding Chan Su-induced arrhythmia.
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Affiliation(s)
- Tao Song
- Hebei University of Chinese Medicine, No. 3, Xingyuan Road, Shijiazhuang, 050200, Hebei, China
| | - Yuanyuan Zhang
- Hebei University of Chinese Medicine, No. 3, Xingyuan Road, Shijiazhuang, 050200, Hebei, China.,Hebei key laboratory of integrative Medicine on Liver-Kidney Patterns, Shijiazhuang, 050200, Hebei, China
| | - Qiongtao Song
- Hebei University of Chinese Medicine, No. 3, Xingyuan Road, Shijiazhuang, 050200, Hebei, China
| | - Xue Han
- Hebei University of Chinese Medicine, No. 3, Xingyuan Road, Shijiazhuang, 050200, Hebei, China
| | - Shengjiang Guan
- Hebei University of Chinese Medicine, No. 3, Xingyuan Road, Shijiazhuang, 050200, Hebei, China
| | - Xuan Zhang
- Hebei University of Chinese Medicine, No. 3, Xingyuan Road, Shijiazhuang, 050200, Hebei, China.,Hebei key laboratory of integrative Medicine on Liver-Kidney Patterns, Shijiazhuang, 050200, Hebei, China
| | - Xi Chu
- Department of Pharmacy, The Fourth Hospital of Hebei Medical University, No. 12, Jiankang Road, Shijiazhuang, 050011, Hebei, China
| | - Fenghua Zhang
- Hebei University of Chinese Medicine, No. 3, Xingyuan Road, Shijiazhuang, 050200, Hebei, China
| | - Jianping Zhang
- Hebei University of Chinese Medicine, No. 3, Xingyuan Road, Shijiazhuang, 050200, Hebei, China.,Hebei key laboratory of integrative Medicine on Liver-Kidney Patterns, Shijiazhuang, 050200, Hebei, China
| | - Li Chu
- Hebei University of Chinese Medicine, No. 3, Xingyuan Road, Shijiazhuang, 050200, Hebei, China.,Hebei key laboratory of integrative Medicine on Liver-Kidney Patterns, Shijiazhuang, 050200, Hebei, China
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