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Items: 1 to 20 of 104

1.

Longevity regulating pathway - multiple species

Aging is a complex process of accumulation of molecular, cellular, and organ damage, leading to loss of function and increased vulnerability to disease and death. Despite the complexity of aging, recent work has shown that dietary restriction (DR) and genetic down-regulation of nutrient-sensing...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
2.

Longevity regulating pathway

Regulation of longevity depends on genetic and environmental factors. Caloric restriction (CR), that is limiting food intake, is recognized in mammals as the best characterized and most reproducible strategy for extending lifespan. Four pathways have been implicated in mediating the...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
3.

Phospholipase D signaling pathway

Phospholipase D (PLD) is an essential enzyme responsible for the production of the lipid second messenger phosphatidic acid (PA), which is involved in fundamental cellular processes, including membrane trafficking, actin cytoskeleton remodeling, cell proliferation and cell survival....

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
4.

Insulin resistance

Insulin resistance is a condition where cells become resistant to the effects of insulin. It is often found in people with health disorders, including obesity, type 2 diabetes mellitus, non-alcoholic fatty liver disease, and cardiovascular diseases. In this diagram multiple mechanisms...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
5.

Regulation of lipolysis in adipocytes

Lipolysis in adipocytes, the hydrolysis of triacylglycerol (TAG) to release fatty acids (FAs) and glycerol for use by other organs as energy substrates, is a unique function of white adipose tissue. Lipolysis is under tight hormonal control. During fasting, catecholamines, by binding...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
6.

AMPK signaling pathway

AMP-activated protein kinase (AMPK) is a serine threonine kinase that is highly conserved through evolution. AMPK system acts as a sensor of cellular energy status. It is activated by increases in the cellular AMP:ATP ratio caused by metabolic stresses that either interfere with ATP...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
7.

cGMP-PKG signaling pathway

Cyclic GMP (cGMP) is the intracellular second messenger that mediates the action of nitric oxide (NO) and natriuretic peptides (NPs), regulating a broad array of physiologic processes. The elevated intracellular cGMP level exerts its physiological action through two forms of cGMP-dependent...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
8.

FoxO signaling pathway

The forkhead box O (FOXO) family of transcription factors regulates the expression of genes in cellular physiological events including apoptosis, cell-cycle control, glucose metabolism, oxidative stress resistance, and longevity. A central regulatory mechanism of FOXO proteins is...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
9.

Ras signaling pathway

The Ras proteins are GTPases that function as molecular switches for signaling pathways regulating cell proliferation, survival, growth, migration, differentiation or cytoskeletal dynamism. Ras proteins transduce signals from extracellular growth factors by cycling between inactive...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
10.

Rap1 signaling pathway

Rap1 is a small GTPase that controls diverse processes, such as cell adhesion, cell-cell junction formation and cell polarity. Like all G proteins, Rap1 cycles between an inactive GDP-bound and an active GTP-bound conformation. A variety of extracellular signals control this cycle...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
11.

Non-alcoholic fatty liver disease (NAFLD)

Non-alcoholic fatty liver disease (NAFLD) represents a spectrum ranging from simple steatosis to more severe steatohepatitis with hepatic inflammation and fibrosis, known as nonalcoholic steatohepatitis (NASH). NASH may further lead to cirrhosis and hepatocellular carcinoma (HCC)....

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
12.

Prolactin signaling pathway

Prolactin (PRL) is a polypeptide hormone known to be involved in a wide range of biological functions including osmoregulation, lactation, reproduction, growth and development, endocrinology and metabolism, brain and behavior, and immunomodulation. PRL mediates its action through...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
13.

Ovarian steroidogenesis

The ovarian steroids, 17-beta estradiol (E2) and progesterone (P4), are critical for normal uterine function, establishment and maintenance of pregnancy, and mammary gland development. Furthermore, the local effects that are essential for normal ovarian physiology are dependent on...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
14.

Insulin secretion

Pancreatic beta cells are specialised endocrine cells that continuously sense the levels of blood sugar and other fuels and, in response, secrete insulin to maintain normal fuel homeostasis. Glucose-induced insulin secretion and its potentiation constitute the principal mechanism...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
15.

HIF-1 signaling pathway

Hypoxia-inducible factor 1 (HIF-1) is a transcription factor that functions as a master regulator of oxygen homeostasis. It consists of two subunits: an inducibly-expressed HIF-1alpha subunit and a constitutively-expressed HIF-1beta subunit. Under normoxia, HIF-1 alpha undergoes hydroxylation...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
16.

PI3K-Akt signaling pathway

The phosphatidylinositol 3' -kinase(PI3K)-Akt signaling pathway is activated by many types of cellular stimuli or toxic insults and regulates fundamental cellular functions such as transcription, translation, proliferation, growth, and survival. The binding of growth factors to their...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
17.

Adipogenesis

The different classes of factors involved in adipogenesis are shown. Adipogenesis is the process by which fat cells differentiate from predadipocytes to adipocytes (fat cells). Adipose tissue, composed of white and brown adipose tissue, is composed of adipocytes. This pathway is primarily...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
18.

Aldosterone-regulated sodium reabsorption

Sodium transport across the tight epithelia of Na+ reabsorbing tissues such as the distal part of the kidney nephron and colon is the major factor determining total-body Na+ levels, and thus, long-term blood pressure. Aldosterone plays a major role in sodium and potassium metabolism...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
19.

Oocyte meiosis

During meiosis, a single round of DNA replication is followed by two rounds of chromosome segregation, called meiosis I and meiosis II. At meiosis I, homologous chromosomes recombine and then segregate to opposite poles, while the sister chromatids segregate from each other at meoisis...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus
20.

Progesterone-mediated oocyte maturation

Xenopus oocytes are naturally arrested at G2 of meiosis I. Exposure to either insulin/IGF-1 or the steroid hormone progesterone breaks this arrest and induces resumption of the two meiotic division cycles and maturation of the oocyte into a mature, fertilizable egg. This process is...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Mus musculus

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