Department

Genetics

The Department of Genetics is one of the few Genetic Centers in the country, which is recognized for both research (KFRC recognized by D.S.I.R, Govt. of India) and is an authorized Genetic Clinic and Counselling Center (KIMS with PNDT registration, DM&HO, Govt. of India). The Center provides super-specialized services such as Genetic Consultation, Counselling and Genetic testing for patients and their families: from fetuses, infants to the elderly, from the commonest genetic cases to the rarest.

The Department of Genetics was initiated in December 2013. The Genetic specialist offers comprehensive genetic evaluation, pre-test and post-test counseling and genetic screening and testing in all areas of medical genetics, including chromosomal abnormalities, single-gene or multi-gene diseases and inborn errors of metabolism, Oncology, Neurology, Nephrology, Orthopaedics and also preventive genomics.

ACTIVITIES OF THE DEPARTMENT OF GENETICS

Genetic counseling and evaluation of patients and families affected with a genetic/ inherited disease. Genetic tests for diagnosis, predictive testing, screening and prenatal diagnosis of common genetic disorders (>1000 tests including cytogenetic, molecular genetic, next-gen-sequencing, whole exome sequencing and chromosomal microarray).

Basic, applied and translational research in human and medical genetics

Teaching/ training undergraduate/postgraduate students in genetic techniques and guiding them in short research projects

WHAT IS GENETIC TESTING?

The human body is composed of about 37.2 billion individual cells. These cells contain ‘DNA’, a long twisted biomolecule that holds the blueprint for how we are built. A gene is a segment of DNA with defined functions in the body. These genes are passed down from parents to children and make up the complete built of the children. Natural errors in the sequence of DNA (mutations) can cause various genetic diseases. An approximate total of 30,000 genes are packaged into structures called as ‘chromosomes’. Humans have 23 pairs of chromosomes, including a pair of sex chromosomes (X X in females, X Y in males). One set of chromosomes for each pair comes from the mother, and the other set comes from the father. Genetic disorders commonly occur due to numerical or structural errors in chromosomes. The genetic screening include tests that can detect common genetic disorders occurring due to DNA errors as well as chromosomal errors.

SPECIALIZED GENETIC COUNSELLING AND TESTING

Apart from the 500 specific genetic tests, KIMS offers specialized genetic counseling and testing packages at reduced prices to accommodate people from various economic backgrounds.

FOR THE TO-BE BRIDE / GROOM AND COUPLES PLANNING A FAMILY

  • Premarital Genetic Counselling and Testing
  • Pre-conceptional Genetic Counselling and Testing

The ‘Pre-Marital genetic evaluation’ is meant for the prospective bride and groom to screen for risk of serious genetic disorders that they may pass on to the next generation (their children). This is done by evaluation of 3-generation pedigree of the prospective bride and groom by a super-specialized genetic consultant, followed by two genetic tests; one to screen the couple for carrier status of Haemoglobinopathies such as Thalassemia and, second is high resolution chromosomal analysis, to rule out numerical and structural chromosomal abnormalities. Special genetic risk analysis and testing is done for consanguineous couples (those marrying/married to a family relative). The tests results are explained to the couple in the post-test genetic counseling and appropriate reproductive advice is provided.

The Pre-conceptional Genetic counselling and testing is similar to the pre-marital and is meant for married couples who are planning a family.

Pre-implantation genetic testing is offered as a part of subfertility treatment/management in couples with chromosomal rearrangements (PGT-SR), carrier status for monogenic conditions (PGT-M) and advanced maternal age (PGT-A)

FOR NEWBORN BABIES

  • Routine Newborn genetic evaluation
  • High-risk newborn genetic evaluation

In almost all developed countries, all newborns are screened for common genetic conditions. However, there is no such compulsory newborn screening program in India. Due to this major lapse in neonatal care in India, two different genetic evaluation packages are introduced for newborn babies at KIMS. These newborn genetic screens will help to detect serious genetic disorders that if undetected and untreated (does not apply to all detected disorders), can have severe health consequences for your baby. Unfortunately, most newborns with these genetic metabolic disorders show no signs or symptoms of the disease. However, with time they can cause slow physical development, mental retardation and sometimes even death. If your baby has one of these disorders, the tests will help identify it early (within 2 to 7 days of birth) so that specific treatment may start before the disorder can cause any serious harm to the baby.

In both newborn genetic screening, the baby has a thorough dysmorphological evaluation, detailed pedigree analysis by a super-specialized Genetic consultant and chromosomal analysis (using blood).

Genetic tests are followed by post-test genetic counseling to explain the parents the significance of the test result and implications for the baby’s health.

FOR PREGNANT MOTHERS WHO ARE EITHER

  • Aged 30 years
  • Previous children with a genetic disease (Down syndrome, Thalassemia etc)
  • Mother with family history of genetic disease
  • High-risk prenatal Genetic Counselling and Testing

FOR ADULTS WITH

Strong family history of any medical condition like cancer, stroke, dyslipidemia, neurology, nephrology, the genetic tests are used to confirm a diagnosis in a symptomatic individual or to monitor prognosis of a disease or response to treatment.

PHARMACOGENOMIC TESTING

This ensures that the benefits of a medicine are maximized without the unintended consequences of unfavorable drug responses by helping patients identify their genetic characteristics connected to variances in drug response prior to treatment.

PREVENTIVE GENETIC TESTING

To to determine who is most likely to contract an illness before symptoms appear. If a person has a family history of a certain disease and there is a treatment available to delay the beginning of the illness or lessen its severity, these tests are very helpful.

PRECISION MEDICINE TESTING

The goal of precision medicine is to treat patients with the appropriate medications or therapies based on their genetic or molecular makeup. Molecular profiling of tumors is done to identify targetable alterations and help the Clinicians in making treatment decisions.

GENETIC TESTING SERVICES

KIMS Hospitals Genetic Department has a highly qualified and experienced Medical Geneticist with a specialized focus in human genetic disorders and pharmacogenetics. Dr. Pavani has counselled families with various genetic conditions. These include infants and children with inborn errors of metabolism (IEM), developmental delay, mental retardation, autism-spectrum disorders, congenital heart defects and other malformations. Among the adults, types of muscular dystrophy, huntington's disease, spinocerebeallar ataxias, familial cancers of the breast, colon, and gastointestinal tumors, preventive and predictive genetics.

Various genetic tests are available at the Department of Genetics at KIMS. The Genetic Department has collaborations with some specialized genetic testing laboratories for tests such as microarray analysis (for detection of small deletions and duplications), next-gen sequencing of multiple-gene panels (for various genetic conditions) and also caters to whole exome/ genome analysis in families with rare syndromes and difficult-to-diagnose conditions.

Hence, if you as a clinician or patient or family member are interested in a certain test that is not in the list below, feel free to contact out Chief Geneticist, Dr. Pavani Upendram. For details about the turn-around-time, cost of test and discussion of cases, kindly call 040-71225009.

LABORATORY SERVICES

We have a state of art fully equipped cytogenetic and molecular diagnostic laboratory for carrying out high end genetic testing in the field of Oncology, Fertility, Transplant Immunology, Paediatric, Neurology, Orthopaedic, Nephrology and Pharmacogenomic testing.

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