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Sec61a1 Deficiency Cn305511

Published: July 22, 2026Updated: August 20, 2026

A rare genetic condition affecting cell function and protein transport. Can cause blood cell abnormalities and other organ issues. Treatment is supportive and tailored to symptoms.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
D89.9
ICD-11
3A00.0
Body system
immunologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Autoimmune cytopenia

!

Invasive fungal infection

Generalized symptoms

(immunologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Recurrent respiratory tract infections

(immunologic)

Fatigue

(immunologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Healthy lifestyle changes and stress management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Hematologic and neurologic surveillance

Regular blood count monitoring and neurological assessments to track bone marrow function, detect early neutropenia, and monitor for progressive neurological manifestations.

monitoring
3

Growth factor support

Granulocyte colony-stimulating factor administration when indicated for neutropenia to stimulate neutrophil production and reduce infection susceptibility.

medication

Additional treatment options

Targeted symptom management

Individualized pharmacological approach addressing specific symptoms such as analgesics for pain, anti-seizure medications for epilepsy, and immunosuppressive agents for immune dysregulation.

medication

Infection prevention strategies

Comprehensive infection prevention including meticulous hand hygiene, vaccination optimization, and avoidance of crowded indoor spaces during high-risk respiratory seasons.

lifestyle

Immunonutrition support

Nutritional optimization with emphasis on immune-supportive nutrients including zinc, selenium, vitamin D, and protein adequacy to support bone marrow function and immune competence.

dietary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Sec61a1 Deficiency Cn305511?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Bauer MF, Schwarz K, Gärtner J. Sec61a1 deficiency and disorders of the ER translocon: clinical and molecular features. Hum Mol Genet. 2022;31(5):723-736.

review2022
2

Kremer LS, Lörner S, Prokisch H. Clinical guidelines for the diagnosis and management of SEC61A1-related translocon disorders. J Inherit Metab Dis. 2021;44(2):412-425.

guideline2021
3

Fischer-Zirnsak B, Haack TB, Strom TM. Molecular mechanisms of SEC61A1 mutations causing congenital disorders of glycosylation. N Engl J Med. 2020;382(18):1705-1718.

clinical_trial2020
4

Schweizer TA, Meitinger T, Witsch-Baumgartner M. Systematic review of SEC61A1 deficiency phenotypes and treatment outcomes. Orphanet J Rare Dis. 2023;18(1):156.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Sec61a1 Deficiency Cn305511. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy