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Related Concept Videos

Anticholinesterase Agents: Poisoning and Treatment01:26

Anticholinesterase Agents: Poisoning and Treatment

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Anticholinesterases, also known as cholinesterase inhibitors, work by blocking the breakdown of acetylcholine, leading to its accumulation in the synaptic cleft. This accumulation indirectly enhances both muscarinic and nicotinic actions. These agents are classified as reversible or irreversible based on their mechanism of action.     
Irreversible agents form a strong bond with the cholinesterase enzyme, making it inactive. The breakdown of the phosphorylated enzyme is...
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Physical Properties of Amines01:26

Physical Properties of Amines

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Amines with low molecular weight are usually gaseous at room temperature, while those with high molecular weight are liquid or solids in nature. Usually, low molecular weight amines have a rotten fish-like smell. Diamines typically have a pungent smell. For instance, cadaverine and putrescine, depicted in Figure 1, are two molecules responsible for decaying tissue.
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Drug Toxicity: Dose-Dependent Reactions01:24

Drug Toxicity: Dose-Dependent Reactions

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Drug toxicities can be stratified into pharmacological, pathological, or genotoxic based on their mechanisms. The incidence and severity of these toxicities generally increase with the drug's concentration in the body and exposure time.Pharmacological toxicity is evident when the therapeutic effects of drugs overshoot into adverse reactions in a predictable, dose-dependent manner. Central nervous system (CNS) depression from barbiturates is a classic example, with effects escalating from...
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Toxic Reactions: Overview01:26

Toxic Reactions: Overview

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When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
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Enhanced Elimination of Poison01:26

Enhanced Elimination of Poison

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Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
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Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

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Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
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Related Experiment Video

Updated: Apr 17, 2026

Removal of Trace Elements by Cupric Oxide Nanoparticles from Uranium In Situ Recovery Bleed Water and Its Effect on Cell Viability
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Removal of Trace Elements by Cupric Oxide Nanoparticles from Uranium In Situ Recovery Bleed Water and Its Effect on Cell Viability

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Arsenic-mediated nephrotoxicity.

Ma Ludivina Robles-Osorio1, Elizabeth Sabath-Silva, Ernesto Sabath

  • 1Department of Natural Sciences, Universidad Autónoma de Querétaro , Querétaro , Mexico .

Renal Failure
|February 24, 2015
PubMed
Summary

Chronic kidney disease (CKD) affects millions globally. While lead and cadmium are known kidney toxins, more research is needed to understand arsenic

Area of Science:

  • Environmental Health
  • Nephrology
  • Toxicology

Background:

  • Chronic kidney disease (CKD) is a significant global health issue, impacting 8-15% of the population.
  • Environmental factors, including heavy metals like lead and cadmium, are recognized contributors to kidney injury and CKD.
  • Arsenic, a common environmental contaminant, is linked to diabetes, hypertension, and cancer, but its specific role in kidney disease requires further investigation.

Purpose of the Study:

  • To review the existing epidemiological evidence on the association between arsenic exposure and kidney disease.
  • To highlight the limited data on urinary arsenic excretion and its correlation with CKD markers.
  • To emphasize the need for further research into arsenic's impact on renal injury and CKD progression.

Main Methods:

Keywords:
Albuminuriaarsenicchronic kidney diseasefanconi syndrometubular dysfunction

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  • Review of epidemiological studies and scientific literature.
  • Analysis of existing data on heavy metal exposure and kidney health.
  • Identification of research gaps concerning arsenic and renal outcomes.

Main Results:

  • Established links between lead and cadmium exposure and kidney damage.
  • Scarcity of epidemiological studies specifically examining arsenic's association with CKD.
  • Limited evidence currently connects urinary arsenic levels to CKD, albuminuria, or other renal injury markers.

Conclusions:

  • Further research is crucial to fully elucidate the role of arsenic in renal injury and CKD progression.
  • Global efforts to mitigate arsenic exposure are essential.
  • Investigating potential therapeutic interventions for arsenic-exposed, susceptible populations is warranted.