Overview


Minagene offers comprehensive preimplantation genetic testing (PGT) utilizing next-generation sequencing and advanced bioinformatics. PGT screens embryos for aneuploidies (PGT-A), monogenic disorders (PGT-M), and structural rearrangements (PGT-S) to select the most euploid, mutation-free embryos for uterine transfer.


Methodology



Blastocyst biopsy


Blastocyst biopsy on day 5 post-fertilization maximizes trophectoderm sampling without compromising development. Whole genome amplification and massively parallel sequencing precisely genotype all 24 chromosomes and interrogate pathogenic mutations at >20,000X coverage. Proprietary algorithms minimize artifacts to assure diagnostic accuracy.


Trophectoderm biopsy on day 5 maximizes both viable cell cohort and developmental synchrony for accurate results, safely avoiding risk to the inner cell mass. This enhances live birth rates better than earlier biopsies.


Why Screening is Critical


Aneuploidy is the leading


Aneuploidy is the leading cause of implantation failure and miscarriage. Without PGT, embryos transferred harbor an up to 75% risk of chromosome abnormalities undetectable by morphology alone. Screening identifies the healthiest embryos most likely to achieve live birth.


Why preimplantation genetic testing?


PGT optimizes ART


PGT optimizes ART success by selecting euploid embryos not carrying specific familial gene mutations for transfer. This alleviates repeated IVF cycles, miscarriages, termination of affected pregnancies, and liveborn offspring requiring lifelong care for genetic diseases.


Highlights of Minagene's preimplantation genetic testing (PGT)


Minagene’s PGT detects all 24 chromosome aneuploidies as well as over 1500 single gene disorders. It resolves structural variants and screens for unmatched maternal contamination with exact precision.


When to Consider Minagene’s preimplantation genetic testing (PGT)


Minagene’s preimplantation genetic



  •  Couples undergoing IVF

  •  Patients at any age who have had repeated implantation failure or recurrent pregnancy loss while undergoing IVF

  •  Women over 35 years old undergoing IVF

  •  Couples with recurrent miscarriages

  •  Positive history of chromosomal abnormalities in the family

  •  Diagnosed carriers of chromosomal aberrations










Overview


Minagene's NIPT Advanced utilizes massively parallel next-generation sequencing and advanced bioinformatics to perform comprehensive non-invasive prenatal testing via analysis of cell-free fetal-derived circulating cell-free DNA from maternal peripheral blood. Beyond conventional NIPT, it facilitates multi-dimensional genomic profiling
to enable detection of both common and rare autosomal aneuploidies, unbalanced chromosomal rearrangements, and pathogenic copy number variants.


Methodology



Unique molecular identifier-based


Unique molecular identifier-based sequencing of circulating cfDNA at ≥30X depth of coverage allows for whole-genome haplotype construction and improved variant resolution. Proprietary algorithms leveraging Bayesian likelihood ratios evaluated against comprehensive genome-wide genotype and phenotype databases achieve precise risk estimation for aneuploidies encompassing all autosomes, sex chromosomes, mitochondrial disorders, and pathogenic CNVs ≥3Mb.


Key Highlights of Minagene's Advanced NIPT


Comprehensive Fetal Genome Analysis:



  • Screens for rare autosomal aneuploidies undetected by standard NIPT

  • Identifies incidental findings such as pathogenic homozygous/hemizygous CNVs

  • Addresses scenarios requiring assessment of uniparental disomy or triallelic inheritance

  • Provides results within a short period accompanied by genetic counseling from board-certified specialists

  • Presents a safe alternative to invasive testing when abnormal ultrasound findings or elevated risk profiles warrant advanced prenatal diagnosis


When to consider Minagene’s Advanced NIPT


When to consider Minagene’s Advanced NIPT


Minagene’s NIPT Advanced Test is indicated for high-risk patients such as those with positive family histories, advanced maternal age, abnormal ultrasonography findings, history of recurrent pregnancy loss, or carrier status of translocations. It represents a definitive frontline examination when definitive diagnosis of sizable fetal genomic imbalances is imperative.





Overview


Minagene's NIPT uses advanced DNA sequencing technology to screen
for common fetal aneuploidies from a simple maternal blood draw.
By analyzing cell-free DNA from the placenta in maternal plasma,
it can detect the additional or missing chromosomes that cause
conditions like Down syndrome, Edwards syndrome,
and Patau syndrome.


 



Methodology


Cell-free DNA (cfDNA)

Cell-free DNA (cfDNA), derived from both the fetus and the mother,can
be detected in maternal blood and is a valuable resource for physicians.
On average, approximately 10% of the cfDNA present in maternal blood
originates from the fetus. Next Generation Sequencing (NGS), a highly
sensitive technique utilizing millions of sequence reads per sample,
enables the identification and quantification of aneuploidies within this
complex mixture. By analyzing quantitative disparities in cfDNA within
maternal blood, physicians can differentiate between fetuses affected by
trisomy 21 (and other fetal aneuploidies) and those that are unaffected.
Minagene’s NIPT introduces a whole-genome sequencing (WGS) approach
to non-invasive prenatal testing (NIPT). Through sequencing the complete
fetal genome, this method offers physicians a comprehensive assessment
of the chromosomes. Leveraging an advanced counting technique and
state-of-the-art algorithms, Claria NIPT enables the determination of
aneuploidy risk by comparing the ratio of chromosomes of interest to
multiple reference chromosomes. With this cutting-edge technology,
physicians can enhance their ability to provide accurate and reliable
diagnostic information to expectant parents.


Key Highlights of
Minagene’s NIPT


1. Comprehensive Fetal Genome Analysis:

Unlike tests that focus only on specific trisomies, Minagene’s NIPT
screens the entire fetal genome* for a more comprehensive evaluation.


2. Exceptional Test Performance:

Achieves sensitivity and specificity of over 99.9% for Trisomy 18 ,21, and 13.
Maintains a call rate of over 99%,ensuring reliable and informative
results.


3. Minimal Test Failure Rates:

Compared to targeted approaches,Minagene’s NIPT, based on
whole-genome sequencing (WGS),demonstrates significantly lower test
failure rates.
WGS assays provide extensive datacoverage across the entire diploid
genome, reducing assay- and sample-specific biases through
analytical referencing.
This normalization process enhances sensitivity, enabling accurate
aneuploidy detection even in cases with low fetal fraction, which are
typically rejected in targeted approaches due to quality control
concerns.



NIPT


Overview
Minagene’s NIPT uses advanced DNA sequencing technology to screen for common fetal aneuploidies from a simple maternal blood draw.  By analyzing cell-free DNA from the placenta in maternal plasma, it can detect the additional or missing chromosomes that cause  conditions like Down syndrome, Edwards syndrome, and Patau syndrome.

Methodology
Cell-free DNA (cfDNA), derived from both the fetus and the mother,can  be detected in maternal blood and is a valuable resource for physicians.  On average, approximately 10% of the cfDNA present in maternal blood originates from the fetus. Next Generation Sequencing (NGS), a highly sensitive technique utilizing millions of sequence reads per sample,  enables the identification and quantification of aneuploidies within this  complex mixture. By analyzing quantitative disparities in cfDNA within  maternal blood, physicians can differentiate between fetuses affected by trisomy 21 (and other fetal aneuploidies) and those that are unaffected. Minagene’s NIPT introduces a whole-genome sequencing (WGS) approach to non-invasive prenatal testing (NIPT). Through sequencing the complete fetal genome, this method offers physicians a comprehensive assessment of the chromosomes. Leveraging an advanced counting technique and  state-of-the-art algorithms, Claria NIPT enables the determination of  aneuploidy risk by comparing the ratio of chromosomes of interest to  multiple reference chromosomes. With this cutting-edge technology, physicians can enhance their ability to provide accurate and reliable diagnostic information to expectant parents.

Key Highlights of Minagene’s NIPT


  • Comprehensive fetal genome analysis:Unlike tests that focus only on specific trisomies, Minagene’s NIPT screens the entire fetal genome* for a more comprehensive evaluation.



  • Exceptional test performance:

    Achieves sensitivity and specificity of over 99.9% for Trisomy 18 ,21, and 13. Maintains a call rate of over 99%,ensuring reliable and informative results.



  • Minimal test failure rates:

    Compared to targeted approaches,Minagene’s NIPT, based on whole-genome sequencing (WGS),demonstrates significantly lower test failure rates. WGS assays provide extensive datacoverage across the entire diploid genome, reducing assay- and sample specific biases through analytical referencing. This normalization process enhances sensitivity, enabling accurate aneuploidy detection even in cases with low fetal fraction, which are typically rejected in targeted approaches due to quality control concerns.



Diseases


  • Down Syndrome



  • Edwards syndrome



  • Patau syndrome



  • Turner syndrome



  • Cri-du-chat syndrome



  • Klinefelter Syndrome


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