Genetic Panel Testing: What It Is, What It Tests & Who Needs It
Learn what genetic panel testing is, which genes it can analyze, what health conditions it may help identify, and who may benefit from testing.
Learn what genetic panel testing is, which genes it can analyze, what health conditions it may help identify, and who may benefit from testing.
What is genetic panel testing? What kinds of things does it test for, and who needs it?
Genetics is important with regard to the way our bodies function, since DNA has genes that affect a number of health aspects such as the metabolism of nutrients, the response to exercise, lifestyle characteristics, and susceptibility to some health conditions.
Genetic panel testing combines a number of genetic markers or variations into one evaluation. Rather than looking at each genetic feature individually, a panel can offer information relating to a particular area such as nutrition, fitness, cardiovascular health, gut health, hormones, immunity or reproductive health.
As increasing attention is focused on personalized healthcare, genetic testing can offer an additional type of information which may enable healthcare and nutrition professionals to create more individualized health strategies.
What counts as genetic panel testing?
Genetic panel testing is a form of genetic evaluation which looks at several genes or genetic variations linked to a specific set of traits or health conditions.
The basic genetic structure can be understood as:
Cells → Nucleus → Chromosomes → DNA → Genes → Nucleotides
The way in which DNA sequences vary causes genetic differences among individuals, and these differences can affect the way a person responds to nutrients, exercise, lifestyle factors, or certain health conditions.
The information obtained will depend on the genetic panel that is chosen; some panels concentrate on nutrition and fitness, whereas others look at specific organs, health conditions, or predispositions to disease.
It is necessary to realise that a genetic result showing a predisposition does not simply imply that a person has a disease; genetic findings must be interpreted in light of a person's health history, their way of life, clinical information and other suitable investigations.
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What kind of test does a genetic panel provide?
Genetic testing panels can be chosen depending on an individual's health aims, family history, nutritional requirements, interests concerning fitness, or their aims with regard to preventive health.
1. Nutrition Panel
A nutrition panel looks at genetic traits that are related to the way that the body may process and react to various nutrients and dietary factors.
It may provide information related to:
- Macronutrient response
- Appetite and satiety
- Eating and snacking patterns
- Weight-management traits
- Carbohydrate, protein and fat metabolism
- Fibre response
- Vitamin and mineral metabolism
- Food-related sensitivities
The genetic information will, in some cases, involve characteristics linked to nutrients such as vitamin D, iron, magnesium, selenium and vitamin K.
When formulating a personalized nutrition plan, this information should be taken together with an individual's dietary habits, body composition, health history and nutritional assessment.
2. Health Panel
A health panel supplies genetic information concerning selected health conditions associated with lifestyle.
It may include predisposition information related to areas such as:
- Diabetes
- Cardiovascular conditions
- PCOS
- Selected health risks
The aim is not to make a diagnosis but to give some information which may be taken into account when putting together a programme for preventive health care.
3. Fitness Panel
The Fitness Panel looks at genetic traits that are related to exercise performance and the body's response to training.
It may provide information related to:
- Strength
- Endurance
- Aerobic capacity
- Power
- Lactate threshold
- Training response
- Recovery
- Muscle-related traits
When it comes to athletes and people who are interested in fitness, the findings should be taken together with their actual performance during training, their fitness evaluations, and their habits regarding nutrition and recovery.
Performance consists of more than just genetics; training consistency, sleep, nutrition, coaching, and lifestyle are still important factors.
4. Cardiovascular Panel
The Cardiovascular Panel focuses on genetic factors associated with areas such as:
- Cholesterol
- Blood pressure
- Heart-health risks
The results should be taken together with usual cardiovascular evaluations and with information regarding lifestyle and family history.
5. Gastrointestinal Panel
The Gastrointestinal Panel focuses on genetic predisposition associated with areas of gut health, including:
- IBS-related traits
- Gut sensitivity
- Digestion-related characteristics
Genetic information could offer a further point of view when formulating an individualized approach to gastrointestinal health.
6. Hormonal Panel
The Hormonal Panel provides genetic information associated with selected hormonal health areas, including:
- Thyroid-related traits
- PCOS-related risks
- Hormonal imbalance-related predispositions
The findings should be taken together with the symptoms, the results of the laboratory investigations, and all other pertinent health information.
7. Immunology Panel
The Immunology Panel looks at the genetic information connected with characteristics of the immune system and with certain immune-related traits.
It could offer some information that should be taken into account when putting together personalized health and lifestyle strategies.
8. Neurology Panel
The panel in the field of neurology looks at the genetic risks connected with certain neurological conditions and characteristics.
It may include areas such as:
- Alzheimer's disease
- Parkinson's disease
- Migraine-related predisposition
When interpreting genetic findings, it is necessary to take into account a person's individual and family health history.
9. Ophthalmology Panel
The panel specializing in ophthalmology looks at the genetic factors linked to certain eye-health conditions.
It may include information related to:
- Glaucoma
- Cataracts
- Other vision-related risks
10. Lifestyle Panel
The Lifestyle Panel looks at genetic traits that are associated with various everyday lifestyle factors.
It may provide information related to:
- Sleep
- Weight-related traits
- Behavioural tendencies
- Lifestyle responses
This information could be of some use when formulating personal lifestyle strategies.
11. Circadian Rhythm Panel
The Circadian Rhythm Panel looks at genetic traits that are related to the body's internal biological clock.
It may provide information related to:
- Sleep patterns
- Energy levels
- Circadian rhythm
- Shift-work tolerance
This is especially pertinent to people whose working hours often change or who work at night.
12. Renal Panel
The genetic information related to certain risks for kidney health is given by the Renal Panel.
The results should be taken together with the results of tests of kidney function, the medical history, the family history and the various lifestyle factors when preparing a preventive programme for kidney health.
13. Pulmonary Disorders Panel
The panel dealing with pulmonary disorders looks at the genetic predisposition connected with certain respiratory conditions.
It may include areas related to:
- Asthma
- Chronic obstructive airways disease
- Other lung-health risks
Genetic information must be taken together with the symptoms, the individual's environmental exposure, his or her medical history and the results of the clinical evaluation.
14. Infectious Disease Panel
The panel specialised in examining the genetic factors connected with susceptibility to certain infections and the immune responses.
This kind of information could give a better understanding of the individual differences in response to infectious diseases.
15. Allergy Panel
The genetic information relating to certain allergy-associated traits is given by the Allergy Panel.
It can serve as a further source of information when one is considering personal approaches to allergy management.
16. IVF and Pregnancy Panel
The panel on IVF and pregnancy concentrates on genetic information relating to reproduction and pregnancy.
The kind of test in question might include information that is relevant to areas such as reproductive health and certain allergy-related traits.
Anyone who is planning to have a child or is receiving fertility treatment should talk with a suitable healthcare professional about the usefulness of genetic testing.
17. Dental Panel
The Panel on Dentistry looks at the genetic factors related to oral health.
It may include predisposition information related to:
- Dental cavities
- Gum disease
- Other oral-health characteristics
18. Bone Health Panel
The panel specializing in bone health looks at the genetic factors related to bone and musculoskeletal health.
It may provide information related to:
- Osteoporosis
- Fracture risk
- Joint-health traits
The findings should be taken together with a person's age, their level of physical activity, their diet, the results of bone-health evaluations and their family history.
19. Haematology Panel
The haematology panel looks at the genetic information connected with certain blood-related conditions.
It may include areas such as:
- Anaemia-related traits
- Blood disorders
- Clotting-related risks
Genetic findings must be interpreted in conjunction with blood tests and the relevant clinical evaluation.
20. Vaccinomics Panel
The Vaccinomics Panel looks at genetic factors which may affect an individual's response to certain vaccines.
The information may throw some additional light on individual differences in vaccine response, but vaccination decisions should still be based on proper medical advice and the recommended immunization schedules.
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Complete Genetic Panel
For individuals seeking a broader assessment, a Complete Genetic Panel can combine information from multiple areas such as:
- Nutrition
- Fitness
- Lifestyle
- Organ health
- Selected disease risks
- Preventive health
It provides a more comprehensive genetic profile that can be considered alongside information about the individual's general health and lifestyle.
Who needs genetic panel testing?
It is not essential for everybody to have genetic testing. The right type of test will vary according to a person's objectives, medical history, and the kind of information they want to obtain.
It may be considered by:
People interested in personalized nutrition: Anyone who wishes to understand genetic traits concerned with nutrient metabolism, appetite, the body's response to macronutrients, or weight control might consider taking a genetic test that is focused on nutrition.
Athletes and fitness enthusiasts: Individuals who take part in endurance training, strength training, or competitive sports might want to know some genetic information concerning endurance, power, recovery, and the body's response to exercise.
People with relevant family history: A person who has a strong family background of certain inherited or health conditions should talk to a qualified healthcare professional about whether genetic testing is suitable.
People interested in preventive health: Genetic information can offer extra context with regard to certain health predispositions and may therefore be included as part of a more comprehensive preventive-health approach.
People seeking a comprehensive health profile: People who wish to gain an understanding of various aspects of their nutrition, fitness, lifestyle and health might want to have a wider genetic test carried out.
Genetic Risk Does Not Mean Disease
A key concept in the field of genetic testing is the distinction between genetic predisposition and genetic diagnosis.
The presence of a genetic variant that carries an increased risk does not necessarily imply that a person currently has the condition.
Health outcomes are influenced by multiple factors, including:
- Genetics
- Diet
- Physical activity
- Sleep
- Environment
- Stress
- Age
- Existing health conditions
- Other lifestyle factors
Genetic results must not therefore be interpreted by themselves.
For instance, a person might have a genetic predisposition linked to a certain condition yet may never actually develop that condition. In a similar way, a person who does not have a specific genetic risk can still get a disease because of other genetic, environmental or lifestyle factors.
How can genetic results be put to use?
Genetic testing is more useful when its results are taken into account as part of a person's overall health situation.
Relevant information may include:
- Current diet
- Lifestyle habits
- Exercise routine
- Medical history
- Family history
- Body composition
- Existing laboratory investigations
- Symptoms
- Personal health goals
A nutritionist or healthcare professional can make use of this information in order to determine when genetic findings are relevant and when other factors need to be given more attention.
When preparing nutrition plans, genetic information could be taken into account together with dietary assessment, nutrient intake, blood tests and lifestyle habits, rather than being the only basis for making dietary decisions.
Conclusion
Testing using a genetic panel gives information on genetic variations and the way these might be related to nutrition, fitness, lifestyle and certain health risks.
Tests covering nutrition, fitness, and cardiovascular health as well as those relating to gastrointestinal, hormonal, neurological, renal, bone health, haematology, vaccinomics, and reproductive health can be used to answer different questions concerning one's health.
The key thing to realize is the extent to which genetic testing can and cannot provide information. Since a genetic predisposition does not constitute a diagnosis, the genetic results must not be understood by themselves.
Genetic information can act as one more element of the overall health picture when it is combined with a person's health history, lifestyle details, the results of laboratory tests and the expert interpretation of those results and thus help to enable a more individualized method of approaching nutrition, fitness and preventive health.