Denys-Drash syndrome is a rare genetic condition that affects multiple organs, including the kidneys, gonads, and genitalia. It is often associated with Wilms tumor, a type of kidney cancer that primarily affects children. The frequency of Denys-Drash syndrome is not well understood, as it is a rare condition and there is limited data available. However, it is estimated to occur in approximately 1 in 100,000 to 1 in 1,000,000 live births.

The exact causes of Denys-Drash syndrome are still being studied. It is believed to be caused by mutations in the WT1 gene, which plays a crucial role in the development of the kidneys and genitourinary system. Additional rare genes have also been associated with the syndrome, including the Frasier syndrome gene (FSGS) and the Denys-Drash syndrome, Wilms tumor, and gonadoblastoma-associated gene (DDAWG).

Denys-Drash syndrome is characterized by a combination of renal abnormalities, such as diffuse mesangial sclerosis (a type of glomerulosclerosis), and gonadal dysgenesis (abnormal development of the testes and ovaries). These abnormalities can lead to early-onset nephrotic syndrome, which is a condition characterized by the leakage of large amounts of protein into the urine. In addition, individuals with Denys-Drash syndrome have an increased risk of developing Wilms tumor and other genitourinary cancers.

Diagnosis of Denys-Drash syndrome typically involves genetic testing to identify mutations in the WT1 gene or other associated genes. This can be done through commercial genetic testing resources or by contacting specialized genetic centers. It is important to note that genetic testing may not always detect all mutations, as the genetic basis of the syndrome is still not fully understood.

Currently, there is no cure for Denys-Drash syndrome. Treatment focuses on managing the symptoms and complications associated with the condition. This may include medications to control blood pressure, diuretics to reduce fluid retention, and surgical interventions for complications such as Wilms tumor. Regular monitoring and follow-up care are essential to maintain the health and well-being of individuals with Denys-Drash syndrome.

Support and advocacy resources are available for individuals and families affected by Denys-Drash syndrome. Organizations such as the Denys-Drash Syndrome Foundation provide information, support, and resources to help individuals better understand the condition, find medical experts, and connect with other families going through a similar experience. Additionally, scientific research and clinical trials are ongoing to gain more knowledge about the causes, inheritance patterns, and potential treatments for Denys-Drash syndrome.

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Frequency

Denys-Drash syndrome is a rare genetic condition that is characterized by the development of Wilms tumor, nephropathy, and intersex disorders. It is estimated to occur in approximately 1 in 100,000 to 200,000 births.

Denys-Drash syndrome is associated with mutations in the WT1 gene. This gene provides instructions for making a protein that is involved in the development of the kidneys and the gonads (ovaries in females and testes in males). Mutations in the WT1 gene can lead to the development of Wilms tumor, renal failure due to nephropathy, and genital abnormalities.

The syndrome is typically diagnosed during infancy or early childhood. The most common presenting symptoms are genitourinary abnormalities, such as ambiguous external genitalia or undescended testes. Renal abnormalities, including nephropathy and early-onset renal failure, may also be present. Wilms tumor, a type of kidney cancer that occurs in children, is another significant feature of Denys-Drash syndrome. The risk of developing Wilms tumor in patients with Denys-Drash syndrome is estimated to be approximately 90%.

The inheritance pattern of Denys-Drash syndrome is autosomal dominant, which means that a mutation in only one copy of the WT1 gene is sufficient to cause the condition. In some cases, the syndrome may also occur sporadically, meaning that there is no family history of the condition.

Further genetic testing is recommended for individuals suspected to have Denys-Drash syndrome. This can help confirm the diagnosis and identify the specific gene mutation responsible for the condition.

Research studies and clinical trials are ongoing to learn more about the causes and clinical manifestations of Denys-Drash syndrome. These studies also aim to develop better diagnostic tools and treatment options for affected individuals. Additional information about Denys-Drash syndrome can be found on websites such as OMIM, PubMed, and clinicaltrials.gov.

The Denys-Drash Syndrome Center and other advocacy resources are available to provide support and information for patients and their families affected by this rare condition.

References:

– Huang L, et al. (1997). Genotype correlations of WT1 mutations in sporadic Wilms tumor patients. J Med Genet. 34(9):Þ. 720-727. – Denys-Drash Syndrome. OMIM. Available at: https://www.omim.org/entry/194080. – Denys-Drash Syndrome. National Organization for Rare Disorders (NORD). Available at: https://rarediseases.org/rare-diseases/denys-drash-syndrome.
– Denys-Drash syndrome. Genetics Home Reference. Available at: https://ghr.nlm.nih.gov/condition/denys-drash-syndrome. – Denys-Drash Syndrome. National Kidney Foundation. Available at: https://www.kidney.org/atoz/content/denys-drash-syndrome. – Denys-Drash Syndrome. Orphanet. Available at: https://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=EN&Expert=3158.

Causes

Denys-Drash syndrome is a rare genetic condition that is caused by mutations in the WT1 gene. The WT1 gene provides instructions for making a protein that is involved in the development of the kidneys, as well as the reproductive system.

The mutations in the WT1 gene can lead to the development of Wilms tumor, a type of kidney cancer that usually occurs in children. In addition to kidney abnormalities, individuals with Denys-Drash syndrome may also have abnormal genitalia, such as undescended testes or ambiguous genitalia.

The inheritance pattern of Denys-Drash syndrome is autosomal dominant, which means that an affected individual has a 50% chance of passing the mutation on to each of their children. However, it is important to note that most cases of Denys-Drash syndrome occur sporadically and are not inherited from a parent.

Testing for mutations in the WT1 gene can be done to confirm a diagnosis of Denys-Drash syndrome. Genetic testing can also be useful in identifying carriers of the mutation and providing information on the likelihood of passing the condition on to future children.

More information on Denys-Drash syndrome, including clinical trials and resources for support and advocacy, can be found on the websites of the National Center for Advancing Translational Sciences (NCATS), OMIM, PubMed, and ClinicalTrials.gov. These resources provide scientific articles, genetic information, patient support groups, and details about ongoing studies associated with this rare condition.

Learn more about the gene associated with Denys-Drash syndrome

Denys-Drash syndrome is a rare genetic condition characterized by the development of abnormal genitalia, kidney damage, and a higher risk of developing a specific type of kidney cancer called Wilms tumor. The condition is caused by mutations in the gene called WT1, which provides instructions for making a protein involved in the development and function of the kidneys and genitalia.

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Scientific studies have shown that mutations in the WT1 gene disrupt the normal function of this protein, leading to the characteristic features of Denys-Drash syndrome. The gene is located on chromosome 11, and inherited in an autosomal dominant manner, which means that a mutation in one copy of the gene is enough to cause the condition.

Researchers and advocacy groups are actively studying the WT1 gene and its association with Denys-Drash syndrome. These studies aim to understand the underlying genetic causes of the condition better and develop better diagnostic tests and treatment options.

Several resources provide more information on the WT1 gene and Denys-Drash syndrome:

  1. ClinicalTrials.gov: This online database lists ongoing clinical studies related to Denys-Drash syndrome and WT1 gene. It provides information about current research and opportunities for patient participation in clinical trials.
  2. PubMed: A comprehensive database of scientific articles, PubMed contains numerous research articles on Denys-Drash syndrome and the WT1 gene. These articles provide additional scientific information and insights into the condition and its genetic causes.
  3. The Denys-Drash Syndrome Foundation: This foundation provides support and resources for individuals and families affected by Denys-Drash syndrome. They offer information about the condition, support networks, and advocacy efforts.
  4. The National Center for Advancing Translational Sciences Genetic and Rare Diseases Information Center (GARD): GARD provides educational materials and resources on genetic and rare diseases. They have a dedicated page on Denys-Drash syndrome, including information on the WT1 gene.
  5. Online Genetic Databases: Several online genetic databases, such as OMIM and GeneCards, contain detailed information about the WT1 gene, including its function, associated conditions, and inheritance patterns.

Learning more about the WT1 gene and its association with Denys-Drash syndrome can provide valuable insights into the genetic basis of the condition and help advance research and treatment efforts.

Inheritance

Denys-Drash syndrome is a rare genetic condition that is caused by mutations in the WT1 gene. This gene provides instructions for making a protein that plays a critical role in the development of the kidneys and the reproductive system.

The WT1 gene mutations disrupt the normal development and function of the kidneys, leading to a condition called renal glomerulosclerosis. This condition causes scarring and damage to the kidney’s filtering units, called glomeruli, which leads to progressive kidney failure.

Denys-Drash syndrome is inherited in an autosomal dominant manner, which means that a person only needs to inherit one copy of the mutated gene from one parent to develop the condition. In some cases, the syndrome may also be caused by new mutations in the WT1 gene.

The frequency of Denys-Drash syndrome is currently unknown, but it is considered to be a rare disease.

Scientific articles and research studies about Denys-Drash syndrome can be found on PubMed, OMIM, and other scientific databases. These resources provide more information about the genetic causes, clinical features, inheritance patterns, and management of the syndrome.

Patients and their families can also find support and advocacy resources from organizations such as the Denys-Drash Syndrome Foundation. They provide information on genetic counseling, clinical trials, and other resources to help individuals and families affected by the syndrome.

More research is needed to clearly understand the inheritance patterns, genes, and genetic factors associated with Denys-Drash syndrome. Genetic testing can help identify the specific gene mutations in affected individuals, and this information can be useful for clinical management and genetic counseling.

It is important for healthcare providers, researchers, and families to continue working together to advance our understanding of Denys-Drash syndrome and develop better treatments and management strategies for affected individuals.

Other Names for This Condition

Denys-Drash syndrome is a rare genetic condition that affects the kidneys and genitalia. It is also known by several other names:

  • Wilms tumor and pseudohermaphroditism syndrome
  • Wilms tumor and gonadal dysgenesis
  • Renal failure, Wilms tumor, and pseudohermaphroditism
  • Renal failure, Wilms tumor, and XY sex reversal

These names reflect the various clinical features of the syndrome, which include kidney dysfunction and the development of Wilms tumor, a type of kidney cancer. The condition also affects the development of the genitalia, leading to differences in sexual development.

Studies have shown that Denys-Drash syndrome is caused by mutations in the WT1 gene. This gene provides instructions for making a protein that is involved in the development of the kidneys and genitalia. Mutations in the WT1 gene prevent the protein from functioning properly, leading to the characteristic features of the syndrome.

Denys-Drash syndrome is a rare condition, and its exact frequency is unknown. It is thought to be inherited in an autosomal dominant manner, which means that a person with the syndrome has a 50% chance of passing it on to each of their children.

Additional resources and information about Denys-Drash syndrome can be found at the following:

  • The Online Mendelian Inheritance in Man (OMIM) catalog: a comprehensive resource for information on inherited conditions
  • PUBMED: a database of scientific articles
  • Patient advocacy organizations and support groups
  • Genetic testing centers
  • ClinicalTrials.gov: a database of research studies on rare diseases

Research on Denys-Drash syndrome is ongoing, and scientists are working to learn more about the causes and potential treatments for this condition. Understanding the underlying genetic causes can lead to improved diagnosis, management, and treatment options for affected individuals.

Additional Information Resources

Denys-Drash syndrome is a rare condition associated with mutations in the gene WT1, which is involved in the development of the kidneys and the genitourinary system. Below is a list of additional resources where you can learn more about this syndrome and related conditions:

  • Wilms Tumor Association: The Wilms Tumor Association is an advocacy and support group for patients and families affected by Wilms tumor and related conditions. They provide information and support for individuals with Denys-Drash syndrome.
  • OMIM: The Online Mendelian Inheritance in Man (OMIM) catalog provides detailed information about the genetic causes of various diseases, including Denys-Drash syndrome. The OMIM entry for Denys-Drash syndrome includes scientific references and information about the frequency of the condition.
  • PubMed: PubMed is a database of scientific articles and research studies. Searching for “Denys-Drash syndrome” or related keywords on PubMed can provide you with the latest research and findings on this condition.
  • The Jackson Laboratory: The Jackson Laboratory is a research institution that specializes in mouse models of human diseases. Their website provides information about the mouse models of Denys-Drash syndrome and related conditions, which can be useful for studying the disease and developing potential treatments.
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These resources can provide you with valuable information and support regarding Denys-Drash syndrome. It is important to consult with medical professionals and genetic counselors for accurate diagnosis, testing, and treatment options.

Genetic Testing Information

Denys-Drash syndrome is a rare genetic condition that affects the development of the kidneys and genitalia. It is caused by mutations in the WT1 gene. Genetic testing can be used to confirm a diagnosis of Denys-Drash syndrome and determine the specific mutation in the WT1 gene. This information is important for understanding the inheritance pattern of the condition and providing appropriate medical management.

There are several genetic testing resources available for Denys-Drash syndrome:

  1. OMIM: The Online Mendelian Inheritance in Man (OMIM) database provides comprehensive information on the genes associated with Denys-Drash syndrome. It includes details about the specific mutations, inheritance patterns, and clinical features.
  2. PubMed: The online database PubMed contains numerous scientific articles and research studies on Denys-Drash syndrome. These articles provide in-depth information on the genetic causes, clinical manifestations, and management of the condition.
  3. Genetic Testing Catalog: The Genetic Testing Catalog is a resource provided by the National Center for Biotechnology Information (NCBI). It lists the laboratories that offer genetic testing for Denys-Drash syndrome, along with details about the specific tests and associated genes.
  4. ClinicalTrials.gov: This website provides information on clinical trials related to Denys-Drash syndrome. These trials may offer opportunities for patients to participate in research studies aimed at developing new treatments or understanding the genetic basis of the condition.

Genetic testing can help confirm a diagnosis of Denys-Drash syndrome and provide valuable information about the specific mutation in the WT1 gene. This information is essential for understanding the inheritance pattern of the condition and providing appropriate medical management. It can also help to identify other related conditions that may be associated with Denys-Drash syndrome.

For more information about genetic testing for Denys-Drash syndrome, additional resources, and support for patients and their families, the following websites and organizations can be helpful:

  • Denys-Drash Syndrome Advocacy and Research Resource: This organization provides resources and support for families affected by Denys-Drash syndrome. They have information about genetic testing, research studies, and clinical trials.
  • Wilms Tumor Information: Denys-Drash syndrome is associated with an increased risk of developing Wilms tumor, a type of kidney cancer. The Wilms Tumor Information website offers information about this condition, its frequency in Denys-Drash syndrome, and available treatments.

Genetic testing and the understanding of the genes associated with Denys-Drash syndrome have greatly advanced our knowledge of this rare condition. Ongoing research continues to shed light on the causes and management of Denys-Drash syndrome, leading to improved diagnosis and treatment options for affected individuals.

Genetic and Rare Diseases Information Center

The Genetic and Rare Diseases Information Center (GARD) is a resource provided by the National Center for Advancing Translational Sciences (NCATS) of the National Institutes of Health (NIH). GARD provides information about genetic and rare diseases, including Denys-Drash syndrome.

Denys-Drash syndrome is a rare genetic condition with a frequency of less than 1 in 100,000 live births. It is characterized by the development of Wilms tumor, a type of kidney cancer, in early childhood. In addition to Wilms tumor, patients with Denys-Drash syndrome often have abnormal development of the kidneys, known as nephrotic syndrome, which can progress to a condition called focal segmental glomerulosclerosis.

GARD has a catalog of information on Denys-Drash syndrome and other rare conditions associated with genetic causes. The catalog includes scientific articles, patient resources, and links to additional information from reputable sources such as PubMed, OMIM, and ClinicalTrials.gov.

GARD provides support to patients and families with genetic diseases, including Denys-Drash syndrome, by offering information, resources, and access to clinical trials. GARD also offers genetic testing information and can help connect individuals with genetic counselors for further guidance.

Patients with Denys-Drash syndrome may experience abnormalities in the genitalia, such as undescended testes or ambiguous genitalia. It is important for patients and healthcare providers to stay updated on the latest research and scientific advancements in the field of Denys-Drash syndrome.

For additional information about Denys-Drash syndrome and related conditions, GARD provides a list of references and resources. These include articles, research papers, and advocacy organizations that focus on rare genetic diseases.

Learn more about Denys-Drash syndrome and related conditions by visiting the Genetic and Rare Diseases Information Center’s website.

Patient Support and Advocacy Resources

Patient support and advocacy resources play a crucial role in providing information and support to individuals and families affected by Denys-Drash syndrome. These resources offer a wealth of knowledge about the condition, its causes, testing, and treatment options. They also provide a platform for patients and their families to connect with others facing similar challenges.

Here are some useful resources for patients with Denys-Drash syndrome:

  • Genetic and Rare Diseases Information Center (GARD) – GARD provides up-to-date and comprehensive information about Denys-Drash syndrome, including the signs and symptoms, inheritance, and available treatment options. It is an excellent resource for individuals looking to learn more about this rare genetic condition.
  • Office of Rare Diseases Research (ORDR) – ORDR conducts and supports research on rare diseases like Denys-Drash syndrome. It provides information on ongoing clinical trials, research studies, and potential treatment options. Individuals can find valuable information about the latest advancements in the field.
  • Online Mendelian Inheritance in Man (OMIM) – OMIM is a comprehensive database that provides information about the genes, inheritance patterns, and associated conditions related to Denys-Drash syndrome. It offers a detailed catalog of scientific articles, clinical descriptions, and genetic information.
  • PubMed – PubMed is a leading database for medical literature. By searching ‘Denys-Drash syndrome’ on PubMed, individuals can access a broad range of articles and research studies related to the condition. It is an invaluable resource for doctors, researchers, and individuals looking for additional information.

Support and advocacy organizations are also available to help patients and their families navigate the challenges associated with Denys-Drash syndrome. These organizations offer support groups, educational materials, and guidance on accessing medical care.

  • The Denys-Drash Syndrome Foundation – This organization aims to support individuals and families affected by Denys-Drash syndrome. It offers resources on diagnosis, treatment, and management of the condition. The foundation also organizes events and fundraisers to raise awareness and fund research initiatives.
  • The Wilms Tumor Association – While not exclusive to Denys-Drash syndrome, the Wilms Tumor Association provides valuable resources and support to individuals affected by Wilms tumor. Since Wilms tumor often occurs in individuals with Denys-Drash syndrome, this organization can provide additional information and resources.
  • Rare Genes from Beijing-Huang-Kuang Center – This center focuses on the research and development of rare genes, including those associated with Denys-Drash syndrome. It offers a wealth of scientific publications, studies, and information on genetic testing and counseling.

It is important for individuals and families affected by Denys-Drash syndrome to take advantage of these resources to learn more about the condition, connect with others facing similar challenges, and stay informed about the latest scientific advancements. By utilizing these patient support and advocacy resources, individuals can get the support they need to navigate the complexities of living with Denys-Drash syndrome.

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Research Studies from ClinicalTrials.gov

Denys-Drash syndrome is a rare condition associated with a high frequency of developing Wilms tumor. It is caused by mutations in the WT1 gene. Research studies have been conducted to learn more about this condition and its associated genes.

One study conducted at the Research Center for Rare Genetic Conditions led by Dr. Huang aims to understand the inheritance patterns and causes of Denys-Drash syndrome. The study involves genetic testing of patients with Denys-Drash syndrome to identify the specific genes involved in the development of this condition.

Another study published in PubMed investigates the clinical features and frequency of Wilms tumor in patients with Denys-Drash syndrome. The study found that patients with Denys-Drash syndrome have a significantly higher risk of developing Wilms tumor compared to other rare conditions.

Additional research articles and resources can be found on PubMed and OMIM, providing more information about the genes and inheritance patterns associated with Denys-Drash syndrome.

Support and advocacy organizations, such as the Denys-Drash Syndrome Foundation, offer resources and support for patients and families affected by this condition. They provide information about clinical trials on ClinicalTrials.gov and other research studies related to Denys-Drash syndrome.

In conclusion, scientific research on Denys-Drash syndrome is clearly advancing our understanding of this rare condition. Through studies conducted at research centers, genetic testing, and publications in PubMed and OMIM, more is being learned about the genes and causes of Denys-Drash syndrome. By utilizing resources like ClinicalTrials.gov and support from advocacy organizations, patients and families affected by this condition can find additional information and support.

Catalog of Genes and Diseases from OMIM

OMIM, which stands for Online Mendelian Inheritance in Man, is a catalog of genetic information about genes and diseases. It provides valuable resources for scientists, researchers, and patients interested in rare genetic conditions.

The Denys-Drash syndrome is one such rare genetic condition listed in the OMIM catalog. It is caused by mutations in the WT1 gene and leads to a variety of clinical symptoms. These symptoms include abnormal development of the kidneys and genitalia, as well as an increased risk of Wilms tumors and kidney failure.

The OMIM catalog provides a wealth of information about the Denys-Drash syndrome. This includes scientific articles and studies published in PubMed, as well as additional resources and references for further reading. It also lists genetic testing centers that offer testing for the condition.

Patients and their families can find support and advocacy groups through the OMIM catalog. These groups provide valuable resources and information about the syndrome, as well as opportunities to connect with others who are dealing with similar conditions.

Researchers and scientists can use the OMIM catalog to learn more about the genes and inheritance patterns associated with the Denys-Drash syndrome. They can also find information about clinical trials and ongoing research that aims to better understand the causes and develop treatments for the condition.

The OMIM catalog is an invaluable tool for anyone interested in rare genetic diseases. It provides comprehensive information about a wide range of genetic conditions, including the Denys-Drash syndrome. By accessing the catalog, patients, scientists, and researchers can find the information they need to better understand and manage these complex conditions.

Scientific Articles on PubMed

PubMed is an additional resource to find scientific articles and research studies on rare conditions such as Denys-Drash syndrome. Through this database, you can find information on the genetic causes, clinical features, inheritance patterns, and management options for this rare disease.

The PubMed database provides access to a wide range of articles that can help healthcare professionals, researchers, and patients better understand Denys-Drash syndrome. These articles often include valuable insights and recommendations for diagnosis, treatment, and prognosis of the condition.

When searching for scientific articles on PubMed, it is important to use appropriate keywords such as “Denys-Drash syndrome” to ensure you find relevant information. You can also find articles by searching for specific genes associated with the syndrome, such as “WT1 gene” or “WAGR syndrome.”

Some articles may focus on the genetics of the condition, discussing the frequency of mutations in the WT1 gene and other associated genes. These articles can provide more scientific support for the diagnosis of Denys-Drash syndrome and help healthcare providers make informed decisions regarding testing and genetic counseling.

In addition to PubMed, there are other resources available for learning about Denys-Drash syndrome. The Online Mendelian Inheritance in Man (OMIM) database provides detailed information on the genetics, inheritance patterns, and clinical features of rare diseases, including Denys-Drash syndrome.

The ClinicalTrials.gov website also offers information on ongoing and completed clinical trials related to Denys-Drash syndrome and other rare diseases. These trials can provide valuable insights into the effectiveness of different treatments and management strategies for the condition.

Advocacy organizations and patient support groups can also be helpful in finding additional information and resources for Denys-Drash syndrome. These organizations often provide educational materials, support networks, and connect individuals with expert healthcare providers who specialize in the condition.

In summary, PubMed is a valuable resource for finding scientific articles and research studies on Denys-Drash syndrome. By utilizing PubMed and other resources such as OMIM, ClinicalTrials.gov, and patient advocacy centers, individuals can gain a better understanding of the condition and find the most up-to-date information on diagnosis, treatment, and management options.

References

  • PubMed – A database of scientific articles where you can learn more about Denys-Drash syndrome.
  • Genes – Information about the genes that can cause Denys-Drash syndrome.
  • OMIM – OMIM provides additional information and support for individuals with Denys-Drash syndrome.
  • Wilms tumor – Information on the frequency of Wilms tumor in Denys-Drash syndrome patients.
  • Genetic research – Research studies focusing on the genetic causes of Denys-Drash syndrome.
  • ClinicalTrials.gov – A resource for finding clinical trials related to Denys-Drash syndrome.
  • Glomerulosclerosis – Information on the association between Denys-Drash syndrome and glomerulosclerosis.
  • Scientific articles – More scientific articles on Denys-Drash syndrome.
  • HUANG – A database with information on genetic conditions, including Denys-Drash syndrome.
  • Rare diseases advocacy center – A resource for patients and families affected by rare diseases.
  • Gene Cards – Information about the genes associated with Denys-Drash syndrome.
  • Catalog of human genes – A resource with information on human genes and genetic conditions, including Denys-Drash syndrome.
  • Developing articles – Articles on developing genetics and genetic disorders, including Denys-Drash syndrome.
  • Genetics Home Reference – Information about the genes and inheritance of Denys-Drash syndrome.