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M-Cdk Drives Transition Into Mitosis

M-Cdk Drives Transition Into Mitosis

Checkpoints throughout the cell cycle serve as safeguards and gatekeepers, allowing the cell cycle to progress in favorable conditions and slow or halt it in problematic ones. This regulation is known as the cell cycle control system.
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...

M-Cdk Drives Transition Into Mitosis

M-Cdk Drives Transition Into Mitosis

Checkpoints throughout the cell cycle serve as safeguards and gatekeepers, allowing the cell cycle to progress in favorable conditions and slow or halt it in problematic ones. This regulation is known as the cell cycle control system.
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...

Positive Regulator Molecules

Positive Regulator Molecules

Mitotic cell division results in daughter cells that exactly resemble the parent cell. However, errors in the DNA replication or distribution of genetic material may lead to genetic mutations that may be passed down to every new cell formed from the resulting abnormal cell. Propagation of such mutant cells is restricted through checkpoint mechanisms present at different stages of the cell cycle. These checkpoints involve regulator molecules that either promote or demote cell cycle events.

Positive Regulator Molecules

Positive Regulator Molecules

To consistently produce healthy cells, the cell cycle—the process that generates daughter cells—must be precisely regulated.

Diabetic Ketoacidosis l: Introduction

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DefinitionDiabetic ketoacidosis (DKA) is an acute, life-threatening complication of diabetes mellitus, characterized by a triad of hyperglycemia (blood glucose >250 mg/dL), ketonemia or ketonuria, and metabolic acidosis (arterial pH <7.30 and serum bicarbonate <18 mEq/L). It results from insulin deficiency combined with elevated levels of counterregulatory hormones—glucagon, catecholamines, cortisol, and growth hormone—leading to increased lipolysis, hepatic ketone production, and...

S-Cdk Initiates DNA Replication

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The cell cycle is a series of events leading to DNA duplication followed by the division of cell content to form two daughter cells. The cell cycle progresses in four stages—the cell increases in size (gap 1 or G1-phase), duplicates its DNA (synthesis or S-phase), prepares to divide (gap 2 or G2-phase), and divides (mitosis or M-phase).
Two states at the origin of replication
In eukaryotes, the initiation of replication occurs at many sites on the chromosomes, called the origins of replication.

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Updated: Jun 1, 2026

A Murine Cell Line Based Model of Chronic CDK9 Inhibition to Study Widespread Non-Genetic Transcriptional Elongation Defects (TEdeff) in Cancers

A Murine Cell Line Based Model of Chronic CDK9 Inhibition to Study Widespread Non-Genetic Transcriptional Elongation Defects (TE^deff) in Cancers

Published on: September 26, 2019

CKD-MBD: an endless story.

Diego Brancaccio¹, Mario Cozzolino

¹Renal Unit Simone Martini, Milan, Italy. diego.brancaccio@tiscalinet.it

Journal of Nephrology

|May 31, 2011

Summary

This summary is machine-generated.

Chronic kidney disease (CKD) patients often develop mineral bone disorders (MBD) and cardiovascular issues due to altered calcium-phosphate metabolism. This review updates understanding of CKD-MBD pathogenesis and treatment strategies.

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A Murine Cell Line Based Model of Chronic CDK9 Inhibition to Study Widespread Non-Genetic Transcriptional Elongation Defects (TEdeff) in Cancers

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Published on: November 22, 2024

Area of Science:

Nephrology
Endocrinology
Cardiology

Background:

Chronic kidney disease (CKD) affects a large population, causing significant social impact.
CKD complications include mineral bone disorders (MBD) and cardiovascular diseases.
Early derangements in calcium-phosphate (Ca-P) metabolism, phosphate homeostasis, and reduced calcitriol synthesis are critical in CKD patients.

Purpose of the Study:

To review recent contributions to the understanding of CKD-MBD.
To update knowledge on the pathogenetic mechanisms of CKD-MBD.
To discuss the most appropriate therapeutic approaches for CKD-MBD.

Main Methods:

Literature review of recent scientific contributions.
Analysis of observational studies on vitamin D receptor activators.
Examination of novel mechanisms in secondary hyperparathyroidism.

Main Results:

Vitamin D receptor activators may offer cardiovascular and metabolic benefits beyond lowering parathyroid hormone.
The treatment of secondary hyperparathyroidism is complex, involving cinacalcet hydrochloride and new pathogenetic insights.

Conclusions:

Understanding CKD-MBD pathogenesis is crucial for effective management.
Novel therapeutic strategies are emerging for secondary hyperparathyroidism in CKD.
Integrated approaches are needed to address the multifaceted complications of CKD.