Related Experiment Video
Updated: Feb 8, 2026

12:45
Mechanical Stimulation of Chondrocyte-agarose Hydrogels
Published on: October 27, 2012
12.1K
Mechanism Of Nephroprotection By Picrorhiza Kurroa
Afsheen Siddiqi1, Zainab Nazneen2, 1
1Department of Pharmacology, Ayub Medical College, Abbottabad, Pakistan.
Journal of Ayub Medical College, Abbottabad : JAMC
|June 26, 2018
Summary
Nimesulide can harm kidneys, but Picrorhiza kurroa shows potential as a herbal alternative. This study found Picrorhiza kurroa improved kidney function without affecting urinary PGE2 levels.
Area of Science:
- Nephrology
- Pharmacology
- Herbal Medicine
Background:
- Chemicals pose risks to kidney health, necessitating safer alternatives.
- Non-steroidal anti-inflammatory drugs like nimesulide can cause nephrotoxicity.
- Herbal remedies are being explored for anti-inflammatory and kidney-protective properties.
Purpose of the Study:
- To identify a herbal alternative with anti-inflammatory and nephroprotective effects.
- To investigate the mechanism of nephroprotection offered by the herbal alternative.
Main Methods:
- Experimental study using mice to induce nephrotoxicity with nimesulide.
- Administered Picrorhiza kurroa in two doses (250 mg/kg and 500 mg/kg) for 14 days.
- Assessed renal function and measured urinary PGE2 to evaluate protective effects.
Main Results:
- Significant improvement in serum urea and creatinine levels observed with Picrorhiza kurroa treatment.
- No significant change in urinary PGE2 levels, indicating a non-vasodilatory mechanism.
Conclusions:
- Nimesulide exhibits nephrotoxic potential.
- Picrorhiza kurroa demonstrates efficacy as a herbal anti-inflammatory and nephroprotective agent.
- The nephroprotective mechanism of Picrorhiza kurroa does not involve PGE2 modulation.
Related Concept Videos
Reaction Mechanisms
31.0K
Chemical reactions often occur in a stepwise fashion, involving two or more distinct reactions taking place in a sequence. A balanced equation indicates the reacting species and the product species, but it reveals no details about how the reaction occurs at the molecular level. The reaction mechanism (or reaction path) provides details regarding the precise, step-by-step process by which a reaction occurs.
For instance, the decomposition of ozone appears to follow a mechanism with two steps:
For instance, the decomposition of ozone appears to follow a mechanism with two steps:
31.0K
Mechanical Protein Functions
5.7K
Proteins perform many mechanical functions in a cell. These proteins can be classified into two general categories- proteins that generate mechanical forces and proteins that are subjected to mechanical forces. Proteins providing mechanical support to the structure of the cell, such as keratin, are subjected to mechanical force, whereas proteins involved in cell movement and transport of molecules across cell membranes, such as an ion pump, are examples of generating mechanical force.
5.7K
Mechanism of Conjugation
1.1K
Bacterial conjugation is a mechanism of horizontal gene transfer that enables the exchange of genetic material between bacterial cells through direct contact. This process is facilitated by a donor cell carrying a conjugative plasmid, which encodes genes necessary for pilus formation, DNA replication, and transfer. The conjugative plasmid plays a central role in initiating and executing the transfer of genetic material.The tra region of the conjugative plasmid encodes proteins responsible for...
1.1K
Mechanism of Angiogenesis
6.9K
Blood vessel formation starts early during embryonic development, around day 7. In the extraembryonic yolk sac, mesodermal precursor cells called hemangioblast proliferate and differentiate into angioblast. Angioblasts express vascular endothelial growth factor receptor 2 or VEGFR2, which binds VEGF-A, a proangiogenic factor, guiding blood vessel formation. VEGF signaling promotes angioblasts to form a blood island in the developing embryo. Angioblasts further differentiate, giving rise to...
6.9K
An Introduction to Mechanics
7.8K
Humans have been making ships, shelters, pyramids, weapons, agricultural equipment, and many more items without recording the process or theory behind them for centuries. It would be challenging to document the evolution of mechanics from its origin to the present.
According to records, the history of mechanics starts with Aristotle (384–322 BC). He related mechanics to physical theory, aiming for a universal synthesis.
Newton defined mechanics as the branch of physical science that...
According to records, the history of mechanics starts with Aristotle (384–322 BC). He related mechanics to physical theory, aiming for a universal synthesis.
Newton defined mechanics as the branch of physical science that...
7.8K
Mechanical Systems
656
Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically...
656

